PackageManagerService.java revision b87de28f50e9f02a365f35348f8da6cc2629bc1c
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.Manifest.permission.INSTALL_PACKAGES; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.os.Process.PACKAGE_INFO_GID; 28import static android.os.Process.SYSTEM_UID; 29import static android.system.OsConstants.S_IRGRP; 30import static android.system.OsConstants.S_IROTH; 31import static android.system.OsConstants.S_IRWXU; 32import static android.system.OsConstants.S_IXGRP; 33import static android.system.OsConstants.S_IXOTH; 34import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 35import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 36import static com.android.internal.util.ArrayUtils.appendInt; 37import static com.android.internal.util.ArrayUtils.removeInt; 38 39import com.android.internal.R; 40import com.android.internal.app.IMediaContainerService; 41import com.android.internal.app.ResolverActivity; 42import com.android.internal.content.NativeLibraryHelper; 43import com.android.internal.content.NativeLibraryHelper.ApkHandle; 44import com.android.internal.content.PackageHelper; 45import com.android.internal.util.FastPrintWriter; 46import com.android.internal.util.FastXmlSerializer; 47import com.android.internal.util.XmlUtils; 48import com.android.server.EventLogTags; 49import com.android.server.IntentResolver; 50import com.android.server.LocalServices; 51import com.android.server.ServiceThread; 52import com.android.server.Watchdog; 53import com.android.server.pm.Settings.DatabaseVersion; 54import com.android.server.storage.DeviceStorageMonitorInternal; 55import com.android.server.storage.DeviceStorageMonitorInternal; 56 57import org.xmlpull.v1.XmlPullParser; 58import org.xmlpull.v1.XmlPullParserException; 59import org.xmlpull.v1.XmlSerializer; 60 61import android.app.ActivityManager; 62import android.app.ActivityManagerNative; 63import android.app.IActivityManager; 64import android.app.PackageInstallObserver; 65import android.app.admin.IDevicePolicyManager; 66import android.app.backup.IBackupManager; 67import android.content.BroadcastReceiver; 68import android.content.ComponentName; 69import android.content.Context; 70import android.content.IIntentReceiver; 71import android.content.Intent; 72import android.content.IntentFilter; 73import android.content.IntentSender; 74import android.content.IntentSender.SendIntentException; 75import android.content.ServiceConnection; 76import android.content.pm.ActivityInfo; 77import android.content.pm.ApplicationInfo; 78import android.content.pm.ContainerEncryptionParams; 79import android.content.pm.FeatureInfo; 80import android.content.pm.IPackageDataObserver; 81import android.content.pm.IPackageDeleteObserver; 82import android.content.pm.IPackageInstallObserver; 83import android.content.pm.IPackageInstallObserver2; 84import android.content.pm.IPackageInstaller; 85import android.content.pm.IPackageManager; 86import android.content.pm.IPackageMoveObserver; 87import android.content.pm.IPackageStatsObserver; 88import android.content.pm.InstrumentationInfo; 89import android.content.pm.ManifestDigest; 90import android.content.pm.PackageCleanItem; 91import android.content.pm.PackageInfo; 92import android.content.pm.PackageInfoLite; 93import android.content.pm.PackageInstallerParams; 94import android.content.pm.PackageManager; 95import android.content.pm.PackageParser.ActivityIntentInfo; 96import android.content.pm.PackageParser; 97import android.content.pm.PackageStats; 98import android.content.pm.PackageUserState; 99import android.content.pm.ParceledListSlice; 100import android.content.pm.PermissionGroupInfo; 101import android.content.pm.PermissionInfo; 102import android.content.pm.ProviderInfo; 103import android.content.pm.ResolveInfo; 104import android.content.pm.ServiceInfo; 105import android.content.pm.Signature; 106import android.content.pm.VerificationParams; 107import android.content.pm.VerifierDeviceIdentity; 108import android.content.pm.VerifierInfo; 109import android.content.res.Resources; 110import android.hardware.display.DisplayManager; 111import android.net.Uri; 112import android.os.Binder; 113import android.os.Build; 114import android.os.Bundle; 115import android.os.Environment; 116import android.os.Environment.UserEnvironment; 117import android.os.FileObserver; 118import android.os.FileUtils; 119import android.os.Handler; 120import android.os.IBinder; 121import android.os.Looper; 122import android.os.Message; 123import android.os.Parcel; 124import android.os.ParcelFileDescriptor; 125import android.os.Process; 126import android.os.RemoteException; 127import android.os.SELinux; 128import android.os.ServiceManager; 129import android.os.SystemClock; 130import android.os.SystemProperties; 131import android.os.UserHandle; 132import android.os.UserManager; 133import android.security.KeyStore; 134import android.security.SystemKeyStore; 135import android.system.ErrnoException; 136import android.system.Os; 137import android.system.StructStat; 138import android.text.TextUtils; 139import android.util.ArraySet; 140import android.util.AtomicFile; 141import android.util.DisplayMetrics; 142import android.util.EventLog; 143import android.util.Log; 144import android.util.LogPrinter; 145import android.util.PrintStreamPrinter; 146import android.util.Slog; 147import android.util.SparseArray; 148import android.util.Xml; 149import android.view.Display; 150 151import java.io.BufferedInputStream; 152import java.io.BufferedOutputStream; 153import java.io.File; 154import java.io.FileDescriptor; 155import java.io.FileInputStream; 156import java.io.FileNotFoundException; 157import java.io.FileOutputStream; 158import java.io.FileReader; 159import java.io.FilenameFilter; 160import java.io.IOException; 161import java.io.InputStream; 162import java.io.PrintWriter; 163import java.nio.charset.StandardCharsets; 164import java.security.NoSuchAlgorithmException; 165import java.security.PublicKey; 166import java.security.cert.CertificateEncodingException; 167import java.security.cert.CertificateException; 168import java.text.SimpleDateFormat; 169import java.util.ArrayList; 170import java.util.Arrays; 171import java.util.Collection; 172import java.util.Collections; 173import java.util.Comparator; 174import java.util.Date; 175import java.util.HashMap; 176import java.util.HashSet; 177import java.util.Iterator; 178import java.util.List; 179import java.util.Map; 180import java.util.Set; 181import java.util.concurrent.atomic.AtomicBoolean; 182import java.util.concurrent.atomic.AtomicLong; 183 184import dalvik.system.DexFile; 185import dalvik.system.StaleDexCacheError; 186import dalvik.system.VMRuntime; 187 188import libcore.io.IoUtils; 189 190/** 191 * Keep track of all those .apks everywhere. 192 * 193 * This is very central to the platform's security; please run the unit 194 * tests whenever making modifications here: 195 * 196mmm frameworks/base/tests/AndroidTests 197adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 198adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 199 * 200 * {@hide} 201 */ 202public class PackageManagerService extends IPackageManager.Stub { 203 static final String TAG = "PackageManager"; 204 static final boolean DEBUG_SETTINGS = false; 205 static final boolean DEBUG_PREFERRED = false; 206 static final boolean DEBUG_UPGRADE = false; 207 private static final boolean DEBUG_INSTALL = false; 208 private static final boolean DEBUG_REMOVE = false; 209 private static final boolean DEBUG_BROADCASTS = false; 210 private static final boolean DEBUG_SHOW_INFO = false; 211 private static final boolean DEBUG_PACKAGE_INFO = false; 212 private static final boolean DEBUG_INTENT_MATCHING = false; 213 private static final boolean DEBUG_PACKAGE_SCANNING = false; 214 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 215 private static final boolean DEBUG_VERIFY = false; 216 private static final boolean DEBUG_DEXOPT = false; 217 218 private static final int RADIO_UID = Process.PHONE_UID; 219 private static final int LOG_UID = Process.LOG_UID; 220 private static final int NFC_UID = Process.NFC_UID; 221 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 222 private static final int SHELL_UID = Process.SHELL_UID; 223 224 // Cap the size of permission trees that 3rd party apps can define 225 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 226 227 private static final int REMOVE_EVENTS = 228 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 229 private static final int ADD_EVENTS = 230 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 231 232 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 233 // Suffix used during package installation when copying/moving 234 // package apks to install directory. 235 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 236 237 static final int SCAN_MONITOR = 1<<0; 238 static final int SCAN_NO_DEX = 1<<1; 239 static final int SCAN_FORCE_DEX = 1<<2; 240 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 241 static final int SCAN_NEW_INSTALL = 1<<4; 242 static final int SCAN_NO_PATHS = 1<<5; 243 static final int SCAN_UPDATE_TIME = 1<<6; 244 static final int SCAN_DEFER_DEX = 1<<7; 245 static final int SCAN_BOOTING = 1<<8; 246 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 247 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 248 249 static final int REMOVE_CHATTY = 1<<16; 250 251 /** 252 * Timeout (in milliseconds) after which the watchdog should declare that 253 * our handler thread is wedged. The usual default for such things is one 254 * minute but we sometimes do very lengthy I/O operations on this thread, 255 * such as installing multi-gigabyte applications, so ours needs to be longer. 256 */ 257 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 258 259 /** 260 * Whether verification is enabled by default. 261 */ 262 private static final boolean DEFAULT_VERIFY_ENABLE = true; 263 264 /** 265 * The default maximum time to wait for the verification agent to return in 266 * milliseconds. 267 */ 268 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 269 270 /** 271 * The default response for package verification timeout. 272 * 273 * This can be either PackageManager.VERIFICATION_ALLOW or 274 * PackageManager.VERIFICATION_REJECT. 275 */ 276 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 277 278 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 279 280 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 281 DEFAULT_CONTAINER_PACKAGE, 282 "com.android.defcontainer.DefaultContainerService"); 283 284 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 285 286 private static final String LIB_DIR_NAME = "lib"; 287 private static final String LIB64_DIR_NAME = "lib64"; 288 289 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 290 291 static final String mTempContainerPrefix = "smdl2tmp"; 292 293 private static String sPreferredInstructionSet; 294 295 final ServiceThread mHandlerThread; 296 297 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 298 private static final String IDMAP_SUFFIX = "@idmap"; 299 300 final PackageHandler mHandler; 301 302 final int mSdkVersion = Build.VERSION.SDK_INT; 303 304 final Context mContext; 305 final boolean mFactoryTest; 306 final boolean mOnlyCore; 307 final DisplayMetrics mMetrics; 308 final int mDefParseFlags; 309 final String[] mSeparateProcesses; 310 311 // This is where all application persistent data goes. 312 final File mAppDataDir; 313 314 // This is where all application persistent data goes for secondary users. 315 final File mUserAppDataDir; 316 317 /** The location for ASEC container files on internal storage. */ 318 final String mAsecInternalPath; 319 320 // This is the object monitoring the framework dir. 321 final FileObserver mFrameworkInstallObserver; 322 323 // This is the object monitoring the system app dir. 324 final FileObserver mSystemInstallObserver; 325 326 // This is the object monitoring the privileged system app dir. 327 final FileObserver mPrivilegedInstallObserver; 328 329 // This is the object monitoring the vendor app dir. 330 final FileObserver mVendorInstallObserver; 331 332 // This is the object monitoring the vendor overlay package dir. 333 final FileObserver mVendorOverlayInstallObserver; 334 335 // This is the object monitoring the OEM app dir. 336 final FileObserver mOemInstallObserver; 337 338 // This is the object monitoring mAppInstallDir. 339 final FileObserver mAppInstallObserver; 340 341 // This is the object monitoring mDrmAppPrivateInstallDir. 342 final FileObserver mDrmAppInstallObserver; 343 344 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 345 // LOCK HELD. Can be called with mInstallLock held. 346 final Installer mInstaller; 347 348 final File mAppInstallDir; 349 350 /** 351 * Directory to which applications installed internally have native 352 * libraries copied. 353 */ 354 private File mAppLibInstallDir; 355 356 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 357 // apps. 358 final File mDrmAppPrivateInstallDir; 359 360 final File mAppStagingDir; 361 362 // ---------------------------------------------------------------- 363 364 // Lock for state used when installing and doing other long running 365 // operations. Methods that must be called with this lock held have 366 // the suffix "LI". 367 final Object mInstallLock = new Object(); 368 369 // These are the directories in the 3rd party applications installed dir 370 // that we have currently loaded packages from. Keys are the application's 371 // installed zip file (absolute codePath), and values are Package. 372 final HashMap<String, PackageParser.Package> mAppDirs = 373 new HashMap<String, PackageParser.Package>(); 374 375 // Information for the parser to write more useful error messages. 376 int mLastScanError; 377 378 // ---------------------------------------------------------------- 379 380 // Keys are String (package name), values are Package. This also serves 381 // as the lock for the global state. Methods that must be called with 382 // this lock held have the prefix "LP". 383 final HashMap<String, PackageParser.Package> mPackages = 384 new HashMap<String, PackageParser.Package>(); 385 386 // Tracks available target package names -> overlay package paths. 387 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 388 new HashMap<String, HashMap<String, PackageParser.Package>>(); 389 390 final Settings mSettings; 391 boolean mRestoredSettings; 392 393 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 394 int[] mGlobalGids; 395 396 // These are the built-in uid -> permission mappings that were read from the 397 // etc/permissions.xml file. 398 final SparseArray<HashSet<String>> mSystemPermissions = 399 new SparseArray<HashSet<String>>(); 400 401 static final class SharedLibraryEntry { 402 final String path; 403 final String apk; 404 405 SharedLibraryEntry(String _path, String _apk) { 406 path = _path; 407 apk = _apk; 408 } 409 } 410 411 // These are the built-in shared libraries that were read from the 412 // etc/permissions.xml file. 413 final HashMap<String, SharedLibraryEntry> mSharedLibraries 414 = new HashMap<String, SharedLibraryEntry>(); 415 416 // These are the features this devices supports that were read from the 417 // etc/permissions.xml file. 418 final HashMap<String, FeatureInfo> mAvailableFeatures = 419 new HashMap<String, FeatureInfo>(); 420 421 // If mac_permissions.xml was found for seinfo labeling. 422 boolean mFoundPolicyFile; 423 424 // If a recursive restorecon of /data/data/<pkg> is needed. 425 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 426 427 // All available activities, for your resolving pleasure. 428 final ActivityIntentResolver mActivities = 429 new ActivityIntentResolver(); 430 431 // All available receivers, for your resolving pleasure. 432 final ActivityIntentResolver mReceivers = 433 new ActivityIntentResolver(); 434 435 // All available services, for your resolving pleasure. 436 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 437 438 // All available providers, for your resolving pleasure. 439 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 440 441 // Mapping from provider base names (first directory in content URI codePath) 442 // to the provider information. 443 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 444 new HashMap<String, PackageParser.Provider>(); 445 446 // Mapping from instrumentation class names to info about them. 447 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 448 new HashMap<ComponentName, PackageParser.Instrumentation>(); 449 450 // Mapping from permission names to info about them. 451 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 452 new HashMap<String, PackageParser.PermissionGroup>(); 453 454 // Packages whose data we have transfered into another package, thus 455 // should no longer exist. 456 final HashSet<String> mTransferedPackages = new HashSet<String>(); 457 458 // Broadcast actions that are only available to the system. 459 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 460 461 /** List of packages waiting for verification. */ 462 final SparseArray<PackageVerificationState> mPendingVerification 463 = new SparseArray<PackageVerificationState>(); 464 465 final PackageInstallerService mInstallerService; 466 467 HashSet<PackageParser.Package> mDeferredDexOpt = null; 468 469 /** Token for keys in mPendingVerification. */ 470 private int mPendingVerificationToken = 0; 471 472 boolean mSystemReady; 473 boolean mSafeMode; 474 boolean mHasSystemUidErrors; 475 476 ApplicationInfo mAndroidApplication; 477 final ActivityInfo mResolveActivity = new ActivityInfo(); 478 final ResolveInfo mResolveInfo = new ResolveInfo(); 479 ComponentName mResolveComponentName; 480 PackageParser.Package mPlatformPackage; 481 ComponentName mCustomResolverComponentName; 482 483 boolean mResolverReplaced = false; 484 485 // Set of pending broadcasts for aggregating enable/disable of components. 486 static class PendingPackageBroadcasts { 487 // for each user id, a map of <package name -> components within that package> 488 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 489 490 public PendingPackageBroadcasts() { 491 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 492 } 493 494 public ArrayList<String> get(int userId, String packageName) { 495 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 496 return packages.get(packageName); 497 } 498 499 public void put(int userId, String packageName, ArrayList<String> components) { 500 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 501 packages.put(packageName, components); 502 } 503 504 public void remove(int userId, String packageName) { 505 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 506 if (packages != null) { 507 packages.remove(packageName); 508 } 509 } 510 511 public void remove(int userId) { 512 mUidMap.remove(userId); 513 } 514 515 public int userIdCount() { 516 return mUidMap.size(); 517 } 518 519 public int userIdAt(int n) { 520 return mUidMap.keyAt(n); 521 } 522 523 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 524 return mUidMap.get(userId); 525 } 526 527 public int size() { 528 // total number of pending broadcast entries across all userIds 529 int num = 0; 530 for (int i = 0; i< mUidMap.size(); i++) { 531 num += mUidMap.valueAt(i).size(); 532 } 533 return num; 534 } 535 536 public void clear() { 537 mUidMap.clear(); 538 } 539 540 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 541 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 542 if (map == null) { 543 map = new HashMap<String, ArrayList<String>>(); 544 mUidMap.put(userId, map); 545 } 546 return map; 547 } 548 } 549 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 550 551 // Service Connection to remote media container service to copy 552 // package uri's from external media onto secure containers 553 // or internal storage. 554 private IMediaContainerService mContainerService = null; 555 556 static final int SEND_PENDING_BROADCAST = 1; 557 static final int MCS_BOUND = 3; 558 static final int END_COPY = 4; 559 static final int INIT_COPY = 5; 560 static final int MCS_UNBIND = 6; 561 static final int START_CLEANING_PACKAGE = 7; 562 static final int FIND_INSTALL_LOC = 8; 563 static final int POST_INSTALL = 9; 564 static final int MCS_RECONNECT = 10; 565 static final int MCS_GIVE_UP = 11; 566 static final int UPDATED_MEDIA_STATUS = 12; 567 static final int WRITE_SETTINGS = 13; 568 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 569 static final int PACKAGE_VERIFIED = 15; 570 static final int CHECK_PENDING_VERIFICATION = 16; 571 572 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 573 574 // Delay time in millisecs 575 static final int BROADCAST_DELAY = 10 * 1000; 576 577 static UserManagerService sUserManager; 578 579 // Stores a list of users whose package restrictions file needs to be updated 580 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 581 582 final private DefaultContainerConnection mDefContainerConn = 583 new DefaultContainerConnection(); 584 class DefaultContainerConnection implements ServiceConnection { 585 public void onServiceConnected(ComponentName name, IBinder service) { 586 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 587 IMediaContainerService imcs = 588 IMediaContainerService.Stub.asInterface(service); 589 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 590 } 591 592 public void onServiceDisconnected(ComponentName name) { 593 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 594 } 595 }; 596 597 // Recordkeeping of restore-after-install operations that are currently in flight 598 // between the Package Manager and the Backup Manager 599 class PostInstallData { 600 public InstallArgs args; 601 public PackageInstalledInfo res; 602 603 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 604 args = _a; 605 res = _r; 606 } 607 }; 608 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 609 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 610 611 private final String mRequiredVerifierPackage; 612 613 private final PackageUsage mPackageUsage = new PackageUsage(); 614 615 private class PackageUsage { 616 private static final int WRITE_INTERVAL 617 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 618 619 private final Object mFileLock = new Object(); 620 private final AtomicLong mLastWritten = new AtomicLong(0); 621 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 622 623 private boolean mIsFirstBoot = false; 624 625 boolean isFirstBoot() { 626 return mIsFirstBoot; 627 } 628 629 void write(boolean force) { 630 if (force) { 631 writeInternal(); 632 return; 633 } 634 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 635 && !DEBUG_DEXOPT) { 636 return; 637 } 638 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 639 new Thread("PackageUsage_DiskWriter") { 640 @Override 641 public void run() { 642 try { 643 writeInternal(); 644 } finally { 645 mBackgroundWriteRunning.set(false); 646 } 647 } 648 }.start(); 649 } 650 } 651 652 private void writeInternal() { 653 synchronized (mPackages) { 654 synchronized (mFileLock) { 655 AtomicFile file = getFile(); 656 FileOutputStream f = null; 657 try { 658 f = file.startWrite(); 659 BufferedOutputStream out = new BufferedOutputStream(f); 660 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 661 StringBuilder sb = new StringBuilder(); 662 for (PackageParser.Package pkg : mPackages.values()) { 663 if (pkg.mLastPackageUsageTimeInMills == 0) { 664 continue; 665 } 666 sb.setLength(0); 667 sb.append(pkg.packageName); 668 sb.append(' '); 669 sb.append((long)pkg.mLastPackageUsageTimeInMills); 670 sb.append('\n'); 671 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 672 } 673 out.flush(); 674 file.finishWrite(f); 675 } catch (IOException e) { 676 if (f != null) { 677 file.failWrite(f); 678 } 679 Log.e(TAG, "Failed to write package usage times", e); 680 } 681 } 682 } 683 mLastWritten.set(SystemClock.elapsedRealtime()); 684 } 685 686 void readLP() { 687 synchronized (mFileLock) { 688 AtomicFile file = getFile(); 689 BufferedInputStream in = null; 690 try { 691 in = new BufferedInputStream(file.openRead()); 692 StringBuffer sb = new StringBuffer(); 693 while (true) { 694 String packageName = readToken(in, sb, ' '); 695 if (packageName == null) { 696 break; 697 } 698 String timeInMillisString = readToken(in, sb, '\n'); 699 if (timeInMillisString == null) { 700 throw new IOException("Failed to find last usage time for package " 701 + packageName); 702 } 703 PackageParser.Package pkg = mPackages.get(packageName); 704 if (pkg == null) { 705 continue; 706 } 707 long timeInMillis; 708 try { 709 timeInMillis = Long.parseLong(timeInMillisString.toString()); 710 } catch (NumberFormatException e) { 711 throw new IOException("Failed to parse " + timeInMillisString 712 + " as a long.", e); 713 } 714 pkg.mLastPackageUsageTimeInMills = timeInMillis; 715 } 716 } catch (FileNotFoundException expected) { 717 mIsFirstBoot = true; 718 } catch (IOException e) { 719 Log.w(TAG, "Failed to read package usage times", e); 720 } finally { 721 IoUtils.closeQuietly(in); 722 } 723 } 724 mLastWritten.set(SystemClock.elapsedRealtime()); 725 } 726 727 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 728 throws IOException { 729 sb.setLength(0); 730 while (true) { 731 int ch = in.read(); 732 if (ch == -1) { 733 if (sb.length() == 0) { 734 return null; 735 } 736 throw new IOException("Unexpected EOF"); 737 } 738 if (ch == endOfToken) { 739 return sb.toString(); 740 } 741 sb.append((char)ch); 742 } 743 } 744 745 private AtomicFile getFile() { 746 File dataDir = Environment.getDataDirectory(); 747 File systemDir = new File(dataDir, "system"); 748 File fname = new File(systemDir, "package-usage.list"); 749 return new AtomicFile(fname); 750 } 751 } 752 753 class PackageHandler extends Handler { 754 private boolean mBound = false; 755 final ArrayList<HandlerParams> mPendingInstalls = 756 new ArrayList<HandlerParams>(); 757 758 private boolean connectToService() { 759 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 760 " DefaultContainerService"); 761 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 762 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 763 if (mContext.bindServiceAsUser(service, mDefContainerConn, 764 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 765 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 766 mBound = true; 767 return true; 768 } 769 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 770 return false; 771 } 772 773 private void disconnectService() { 774 mContainerService = null; 775 mBound = false; 776 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 777 mContext.unbindService(mDefContainerConn); 778 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 779 } 780 781 PackageHandler(Looper looper) { 782 super(looper); 783 } 784 785 public void handleMessage(Message msg) { 786 try { 787 doHandleMessage(msg); 788 } finally { 789 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 790 } 791 } 792 793 void doHandleMessage(Message msg) { 794 switch (msg.what) { 795 case INIT_COPY: { 796 HandlerParams params = (HandlerParams) msg.obj; 797 int idx = mPendingInstalls.size(); 798 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 799 // If a bind was already initiated we dont really 800 // need to do anything. The pending install 801 // will be processed later on. 802 if (!mBound) { 803 // If this is the only one pending we might 804 // have to bind to the service again. 805 if (!connectToService()) { 806 Slog.e(TAG, "Failed to bind to media container service"); 807 params.serviceError(); 808 return; 809 } else { 810 // Once we bind to the service, the first 811 // pending request will be processed. 812 mPendingInstalls.add(idx, params); 813 } 814 } else { 815 mPendingInstalls.add(idx, params); 816 // Already bound to the service. Just make 817 // sure we trigger off processing the first request. 818 if (idx == 0) { 819 mHandler.sendEmptyMessage(MCS_BOUND); 820 } 821 } 822 break; 823 } 824 case MCS_BOUND: { 825 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 826 if (msg.obj != null) { 827 mContainerService = (IMediaContainerService) msg.obj; 828 } 829 if (mContainerService == null) { 830 // Something seriously wrong. Bail out 831 Slog.e(TAG, "Cannot bind to media container service"); 832 for (HandlerParams params : mPendingInstalls) { 833 // Indicate service bind error 834 params.serviceError(); 835 } 836 mPendingInstalls.clear(); 837 } else if (mPendingInstalls.size() > 0) { 838 HandlerParams params = mPendingInstalls.get(0); 839 if (params != null) { 840 if (params.startCopy()) { 841 // We are done... look for more work or to 842 // go idle. 843 if (DEBUG_SD_INSTALL) Log.i(TAG, 844 "Checking for more work or unbind..."); 845 // Delete pending install 846 if (mPendingInstalls.size() > 0) { 847 mPendingInstalls.remove(0); 848 } 849 if (mPendingInstalls.size() == 0) { 850 if (mBound) { 851 if (DEBUG_SD_INSTALL) Log.i(TAG, 852 "Posting delayed MCS_UNBIND"); 853 removeMessages(MCS_UNBIND); 854 Message ubmsg = obtainMessage(MCS_UNBIND); 855 // Unbind after a little delay, to avoid 856 // continual thrashing. 857 sendMessageDelayed(ubmsg, 10000); 858 } 859 } else { 860 // There are more pending requests in queue. 861 // Just post MCS_BOUND message to trigger processing 862 // of next pending install. 863 if (DEBUG_SD_INSTALL) Log.i(TAG, 864 "Posting MCS_BOUND for next work"); 865 mHandler.sendEmptyMessage(MCS_BOUND); 866 } 867 } 868 } 869 } else { 870 // Should never happen ideally. 871 Slog.w(TAG, "Empty queue"); 872 } 873 break; 874 } 875 case MCS_RECONNECT: { 876 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 877 if (mPendingInstalls.size() > 0) { 878 if (mBound) { 879 disconnectService(); 880 } 881 if (!connectToService()) { 882 Slog.e(TAG, "Failed to bind to media container service"); 883 for (HandlerParams params : mPendingInstalls) { 884 // Indicate service bind error 885 params.serviceError(); 886 } 887 mPendingInstalls.clear(); 888 } 889 } 890 break; 891 } 892 case MCS_UNBIND: { 893 // If there is no actual work left, then time to unbind. 894 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 895 896 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 897 if (mBound) { 898 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 899 900 disconnectService(); 901 } 902 } else if (mPendingInstalls.size() > 0) { 903 // There are more pending requests in queue. 904 // Just post MCS_BOUND message to trigger processing 905 // of next pending install. 906 mHandler.sendEmptyMessage(MCS_BOUND); 907 } 908 909 break; 910 } 911 case MCS_GIVE_UP: { 912 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 913 mPendingInstalls.remove(0); 914 break; 915 } 916 case SEND_PENDING_BROADCAST: { 917 String packages[]; 918 ArrayList<String> components[]; 919 int size = 0; 920 int uids[]; 921 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 922 synchronized (mPackages) { 923 if (mPendingBroadcasts == null) { 924 return; 925 } 926 size = mPendingBroadcasts.size(); 927 if (size <= 0) { 928 // Nothing to be done. Just return 929 return; 930 } 931 packages = new String[size]; 932 components = new ArrayList[size]; 933 uids = new int[size]; 934 int i = 0; // filling out the above arrays 935 936 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 937 int packageUserId = mPendingBroadcasts.userIdAt(n); 938 Iterator<Map.Entry<String, ArrayList<String>>> it 939 = mPendingBroadcasts.packagesForUserId(packageUserId) 940 .entrySet().iterator(); 941 while (it.hasNext() && i < size) { 942 Map.Entry<String, ArrayList<String>> ent = it.next(); 943 packages[i] = ent.getKey(); 944 components[i] = ent.getValue(); 945 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 946 uids[i] = (ps != null) 947 ? UserHandle.getUid(packageUserId, ps.appId) 948 : -1; 949 i++; 950 } 951 } 952 size = i; 953 mPendingBroadcasts.clear(); 954 } 955 // Send broadcasts 956 for (int i = 0; i < size; i++) { 957 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 958 } 959 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 960 break; 961 } 962 case START_CLEANING_PACKAGE: { 963 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 964 final String packageName = (String)msg.obj; 965 final int userId = msg.arg1; 966 final boolean andCode = msg.arg2 != 0; 967 synchronized (mPackages) { 968 if (userId == UserHandle.USER_ALL) { 969 int[] users = sUserManager.getUserIds(); 970 for (int user : users) { 971 mSettings.addPackageToCleanLPw( 972 new PackageCleanItem(user, packageName, andCode)); 973 } 974 } else { 975 mSettings.addPackageToCleanLPw( 976 new PackageCleanItem(userId, packageName, andCode)); 977 } 978 } 979 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 980 startCleaningPackages(); 981 } break; 982 case POST_INSTALL: { 983 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 984 PostInstallData data = mRunningInstalls.get(msg.arg1); 985 mRunningInstalls.delete(msg.arg1); 986 boolean deleteOld = false; 987 988 if (data != null) { 989 InstallArgs args = data.args; 990 PackageInstalledInfo res = data.res; 991 992 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 993 res.removedInfo.sendBroadcast(false, true, false); 994 Bundle extras = new Bundle(1); 995 extras.putInt(Intent.EXTRA_UID, res.uid); 996 // Determine the set of users who are adding this 997 // package for the first time vs. those who are seeing 998 // an update. 999 int[] firstUsers; 1000 int[] updateUsers = new int[0]; 1001 if (res.origUsers == null || res.origUsers.length == 0) { 1002 firstUsers = res.newUsers; 1003 } else { 1004 firstUsers = new int[0]; 1005 for (int i=0; i<res.newUsers.length; i++) { 1006 int user = res.newUsers[i]; 1007 boolean isNew = true; 1008 for (int j=0; j<res.origUsers.length; j++) { 1009 if (res.origUsers[j] == user) { 1010 isNew = false; 1011 break; 1012 } 1013 } 1014 if (isNew) { 1015 int[] newFirst = new int[firstUsers.length+1]; 1016 System.arraycopy(firstUsers, 0, newFirst, 0, 1017 firstUsers.length); 1018 newFirst[firstUsers.length] = user; 1019 firstUsers = newFirst; 1020 } else { 1021 int[] newUpdate = new int[updateUsers.length+1]; 1022 System.arraycopy(updateUsers, 0, newUpdate, 0, 1023 updateUsers.length); 1024 newUpdate[updateUsers.length] = user; 1025 updateUsers = newUpdate; 1026 } 1027 } 1028 } 1029 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1030 res.pkg.applicationInfo.packageName, 1031 extras, null, null, firstUsers); 1032 final boolean update = res.removedInfo.removedPackage != null; 1033 if (update) { 1034 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1035 } 1036 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1037 res.pkg.applicationInfo.packageName, 1038 extras, null, null, updateUsers); 1039 if (update) { 1040 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1041 res.pkg.applicationInfo.packageName, 1042 extras, null, null, updateUsers); 1043 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1044 null, null, 1045 res.pkg.applicationInfo.packageName, null, updateUsers); 1046 1047 // treat asec-hosted packages like removable media on upgrade 1048 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1049 if (DEBUG_INSTALL) { 1050 Slog.i(TAG, "upgrading pkg " + res.pkg 1051 + " is ASEC-hosted -> AVAILABLE"); 1052 } 1053 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1054 ArrayList<String> pkgList = new ArrayList<String>(1); 1055 pkgList.add(res.pkg.applicationInfo.packageName); 1056 sendResourcesChangedBroadcast(true, true, 1057 pkgList,uidArray, null); 1058 } 1059 } 1060 if (res.removedInfo.args != null) { 1061 // Remove the replaced package's older resources safely now 1062 deleteOld = true; 1063 } 1064 1065 // Log current value of "unknown sources" setting 1066 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1067 getUnknownSourcesSettings()); 1068 } 1069 // Force a gc to clear up things 1070 Runtime.getRuntime().gc(); 1071 // We delete after a gc for applications on sdcard. 1072 if (deleteOld) { 1073 synchronized (mInstallLock) { 1074 res.removedInfo.args.doPostDeleteLI(true); 1075 } 1076 } 1077 if (args.observer != null) { 1078 try { 1079 args.observer.packageInstalled(res.name, res.returnCode); 1080 } catch (RemoteException e) { 1081 Slog.i(TAG, "Observer no longer exists."); 1082 } 1083 } 1084 if (args.observer2 != null) { 1085 try { 1086 Bundle extras = extrasForInstallResult(res); 1087 args.observer2.packageInstalled(res.name, extras, res.returnCode); 1088 } catch (RemoteException e) { 1089 Slog.i(TAG, "Observer no longer exists."); 1090 } 1091 } 1092 } else { 1093 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1094 } 1095 } break; 1096 case UPDATED_MEDIA_STATUS: { 1097 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1098 boolean reportStatus = msg.arg1 == 1; 1099 boolean doGc = msg.arg2 == 1; 1100 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1101 if (doGc) { 1102 // Force a gc to clear up stale containers. 1103 Runtime.getRuntime().gc(); 1104 } 1105 if (msg.obj != null) { 1106 @SuppressWarnings("unchecked") 1107 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1108 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1109 // Unload containers 1110 unloadAllContainers(args); 1111 } 1112 if (reportStatus) { 1113 try { 1114 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1115 PackageHelper.getMountService().finishMediaUpdate(); 1116 } catch (RemoteException e) { 1117 Log.e(TAG, "MountService not running?"); 1118 } 1119 } 1120 } break; 1121 case WRITE_SETTINGS: { 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1123 synchronized (mPackages) { 1124 removeMessages(WRITE_SETTINGS); 1125 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1126 mSettings.writeLPr(); 1127 mDirtyUsers.clear(); 1128 } 1129 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1130 } break; 1131 case WRITE_PACKAGE_RESTRICTIONS: { 1132 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1133 synchronized (mPackages) { 1134 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1135 for (int userId : mDirtyUsers) { 1136 mSettings.writePackageRestrictionsLPr(userId); 1137 } 1138 mDirtyUsers.clear(); 1139 } 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1141 } break; 1142 case CHECK_PENDING_VERIFICATION: { 1143 final int verificationId = msg.arg1; 1144 final PackageVerificationState state = mPendingVerification.get(verificationId); 1145 1146 if ((state != null) && !state.timeoutExtended()) { 1147 final InstallArgs args = state.getInstallArgs(); 1148 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 1149 mPendingVerification.remove(verificationId); 1150 1151 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1152 1153 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1154 Slog.i(TAG, "Continuing with installation of " 1155 + args.packageURI.toString()); 1156 state.setVerifierResponse(Binder.getCallingUid(), 1157 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1158 broadcastPackageVerified(verificationId, args.packageURI, 1159 PackageManager.VERIFICATION_ALLOW, 1160 state.getInstallArgs().getUser()); 1161 try { 1162 ret = args.copyApk(mContainerService, true); 1163 } catch (RemoteException e) { 1164 Slog.e(TAG, "Could not contact the ContainerService"); 1165 } 1166 } else { 1167 broadcastPackageVerified(verificationId, args.packageURI, 1168 PackageManager.VERIFICATION_REJECT, 1169 state.getInstallArgs().getUser()); 1170 } 1171 1172 processPendingInstall(args, ret); 1173 mHandler.sendEmptyMessage(MCS_UNBIND); 1174 } 1175 break; 1176 } 1177 case PACKAGE_VERIFIED: { 1178 final int verificationId = msg.arg1; 1179 1180 final PackageVerificationState state = mPendingVerification.get(verificationId); 1181 if (state == null) { 1182 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1183 break; 1184 } 1185 1186 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1187 1188 state.setVerifierResponse(response.callerUid, response.code); 1189 1190 if (state.isVerificationComplete()) { 1191 mPendingVerification.remove(verificationId); 1192 1193 final InstallArgs args = state.getInstallArgs(); 1194 1195 int ret; 1196 if (state.isInstallAllowed()) { 1197 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1198 broadcastPackageVerified(verificationId, args.packageURI, 1199 response.code, state.getInstallArgs().getUser()); 1200 try { 1201 ret = args.copyApk(mContainerService, true); 1202 } catch (RemoteException e) { 1203 Slog.e(TAG, "Could not contact the ContainerService"); 1204 } 1205 } else { 1206 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1207 } 1208 1209 processPendingInstall(args, ret); 1210 1211 mHandler.sendEmptyMessage(MCS_UNBIND); 1212 } 1213 1214 break; 1215 } 1216 } 1217 } 1218 } 1219 1220 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1221 Bundle extras = null; 1222 switch (res.returnCode) { 1223 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1224 extras = new Bundle(); 1225 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1226 res.origPermission); 1227 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1228 res.origPackage); 1229 break; 1230 } 1231 } 1232 return extras; 1233 } 1234 1235 void scheduleWriteSettingsLocked() { 1236 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1237 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1238 } 1239 } 1240 1241 void scheduleWritePackageRestrictionsLocked(int userId) { 1242 if (!sUserManager.exists(userId)) return; 1243 mDirtyUsers.add(userId); 1244 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1245 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1246 } 1247 } 1248 1249 public static final IPackageManager main(Context context, Installer installer, 1250 boolean factoryTest, boolean onlyCore) { 1251 PackageManagerService m = new PackageManagerService(context, installer, 1252 factoryTest, onlyCore); 1253 ServiceManager.addService("package", m); 1254 return m; 1255 } 1256 1257 static String[] splitString(String str, char sep) { 1258 int count = 1; 1259 int i = 0; 1260 while ((i=str.indexOf(sep, i)) >= 0) { 1261 count++; 1262 i++; 1263 } 1264 1265 String[] res = new String[count]; 1266 i=0; 1267 count = 0; 1268 int lastI=0; 1269 while ((i=str.indexOf(sep, i)) >= 0) { 1270 res[count] = str.substring(lastI, i); 1271 count++; 1272 i++; 1273 lastI = i; 1274 } 1275 res[count] = str.substring(lastI, str.length()); 1276 return res; 1277 } 1278 1279 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1280 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1281 Context.DISPLAY_SERVICE); 1282 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1283 } 1284 1285 public PackageManagerService(Context context, Installer installer, 1286 boolean factoryTest, boolean onlyCore) { 1287 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1288 SystemClock.uptimeMillis()); 1289 1290 if (mSdkVersion <= 0) { 1291 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1292 } 1293 1294 mContext = context; 1295 mFactoryTest = factoryTest; 1296 mOnlyCore = onlyCore; 1297 mMetrics = new DisplayMetrics(); 1298 mSettings = new Settings(context); 1299 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1300 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1301 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1302 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1303 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1304 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1305 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1306 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1307 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1308 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1309 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1310 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1311 1312 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1313 if (separateProcesses != null && separateProcesses.length() > 0) { 1314 if ("*".equals(separateProcesses)) { 1315 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1316 mSeparateProcesses = null; 1317 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1318 } else { 1319 mDefParseFlags = 0; 1320 mSeparateProcesses = separateProcesses.split(","); 1321 Slog.w(TAG, "Running with debug.separate_processes: " 1322 + separateProcesses); 1323 } 1324 } else { 1325 mDefParseFlags = 0; 1326 mSeparateProcesses = null; 1327 } 1328 1329 mInstaller = installer; 1330 1331 getDefaultDisplayMetrics(context, mMetrics); 1332 1333 synchronized (mInstallLock) { 1334 // writer 1335 synchronized (mPackages) { 1336 mHandlerThread = new ServiceThread(TAG, 1337 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1338 mHandlerThread.start(); 1339 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1340 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1341 1342 File dataDir = Environment.getDataDirectory(); 1343 mAppDataDir = new File(dataDir, "data"); 1344 mAppInstallDir = new File(dataDir, "app"); 1345 mAppLibInstallDir = new File(dataDir, "app-lib"); 1346 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1347 mUserAppDataDir = new File(dataDir, "user"); 1348 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1349 mAppStagingDir = new File(dataDir, "app-staging"); 1350 1351 sUserManager = new UserManagerService(context, this, 1352 mInstallLock, mPackages); 1353 1354 // Read permissions and features from system 1355 readPermissions(Environment.buildPath( 1356 Environment.getRootDirectory(), "etc", "permissions"), false); 1357 // Only read features from OEM 1358 readPermissions(Environment.buildPath( 1359 Environment.getOemDirectory(), "etc", "permissions"), true); 1360 1361 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1362 1363 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1364 mSdkVersion, mOnlyCore); 1365 1366 String customResolverActivity = Resources.getSystem().getString( 1367 R.string.config_customResolverActivity); 1368 if (TextUtils.isEmpty(customResolverActivity)) { 1369 customResolverActivity = null; 1370 } else { 1371 mCustomResolverComponentName = ComponentName.unflattenFromString( 1372 customResolverActivity); 1373 } 1374 1375 long startTime = SystemClock.uptimeMillis(); 1376 1377 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1378 startTime); 1379 1380 // Set flag to monitor and not change apk file paths when 1381 // scanning install directories. 1382 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1383 1384 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1385 1386 /** 1387 * Add everything in the in the boot class path to the 1388 * list of process files because dexopt will have been run 1389 * if necessary during zygote startup. 1390 */ 1391 String bootClassPath = System.getProperty("java.boot.class.path"); 1392 if (bootClassPath != null) { 1393 String[] paths = splitString(bootClassPath, ':'); 1394 for (int i=0; i<paths.length; i++) { 1395 alreadyDexOpted.add(paths[i]); 1396 } 1397 } else { 1398 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1399 } 1400 1401 boolean didDexOptLibraryOrTool = false; 1402 1403 final List<String> instructionSets = getAllInstructionSets(); 1404 1405 /** 1406 * Ensure all external libraries have had dexopt run on them. 1407 */ 1408 if (mSharedLibraries.size() > 0) { 1409 // NOTE: For now, we're compiling these system "shared libraries" 1410 // (and framework jars) into all available architectures. It's possible 1411 // to compile them only when we come across an app that uses them (there's 1412 // already logic for that in scanPackageLI) but that adds some complexity. 1413 for (String instructionSet : instructionSets) { 1414 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1415 final String lib = libEntry.path; 1416 if (lib == null) { 1417 continue; 1418 } 1419 1420 try { 1421 if (DexFile.isDexOptNeededInternal(lib, null, instructionSet, false)) { 1422 alreadyDexOpted.add(lib); 1423 1424 // The list of "shared libraries" we have at this point is 1425 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, instructionSet); 1426 didDexOptLibraryOrTool = true; 1427 } 1428 } catch (FileNotFoundException e) { 1429 Slog.w(TAG, "Library not found: " + lib); 1430 } catch (IOException e) { 1431 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1432 + e.getMessage()); 1433 } 1434 } 1435 } 1436 } 1437 1438 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1439 1440 // Gross hack for now: we know this file doesn't contain any 1441 // code, so don't dexopt it to avoid the resulting log spew. 1442 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1443 1444 // Gross hack for now: we know this file is only part of 1445 // the boot class path for art, so don't dexopt it to 1446 // avoid the resulting log spew. 1447 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1448 1449 /** 1450 * And there are a number of commands implemented in Java, which 1451 * we currently need to do the dexopt on so that they can be 1452 * run from a non-root shell. 1453 */ 1454 String[] frameworkFiles = frameworkDir.list(); 1455 if (frameworkFiles != null) { 1456 // TODO: We could compile these only for the most preferred ABI. We should 1457 // first double check that the dex files for these commands are not referenced 1458 // by other system apps. 1459 for (String instructionSet : instructionSets) { 1460 for (int i=0; i<frameworkFiles.length; i++) { 1461 File libPath = new File(frameworkDir, frameworkFiles[i]); 1462 String path = libPath.getPath(); 1463 // Skip the file if we already did it. 1464 if (alreadyDexOpted.contains(path)) { 1465 continue; 1466 } 1467 // Skip the file if it is not a type we want to dexopt. 1468 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1469 continue; 1470 } 1471 try { 1472 if (DexFile.isDexOptNeededInternal(path, null, instructionSet, false)) { 1473 mInstaller.dexopt(path, Process.SYSTEM_UID, true, instructionSet); 1474 didDexOptLibraryOrTool = true; 1475 } 1476 } catch (FileNotFoundException e) { 1477 Slog.w(TAG, "Jar not found: " + path); 1478 } catch (IOException e) { 1479 Slog.w(TAG, "Exception reading jar: " + path, e); 1480 } 1481 } 1482 } 1483 } 1484 1485 if (didDexOptLibraryOrTool) { 1486 // If we dexopted a library or tool, then something on the system has 1487 // changed. Consider this significant, and wipe away all other 1488 // existing dexopt files to ensure we don't leave any dangling around. 1489 // 1490 // Additionally, delete all dex files from the root directory 1491 // since there shouldn't be any there anyway. 1492 // 1493 // TODO: This should be revisited because it isn't as good an indicator 1494 // as it used to be. It used to include the boot classpath but at some point 1495 // DexFile.isDexOptNeeded started returning false for the boot 1496 // class path files in all cases. It is very possible in a 1497 // small maintenance release update that the library and tool 1498 // jars may be unchanged but APK could be removed resulting in 1499 // unused dalvik-cache files. 1500 mInstaller.pruneDexCache(); 1501 } 1502 1503 // Collect vendor overlay packages. 1504 // (Do this before scanning any apps.) 1505 // For security and version matching reason, only consider 1506 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1507 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1508 mVendorOverlayInstallObserver = new AppDirObserver( 1509 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1510 mVendorOverlayInstallObserver.startWatching(); 1511 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1512 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1513 1514 // Find base frameworks (resource packages without code). 1515 mFrameworkInstallObserver = new AppDirObserver( 1516 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1517 mFrameworkInstallObserver.startWatching(); 1518 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1519 | PackageParser.PARSE_IS_SYSTEM_DIR 1520 | PackageParser.PARSE_IS_PRIVILEGED, 1521 scanMode | SCAN_NO_DEX, 0); 1522 1523 // Collected privileged system packages. 1524 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1525 mPrivilegedInstallObserver = new AppDirObserver( 1526 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1527 mPrivilegedInstallObserver.startWatching(); 1528 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1529 | PackageParser.PARSE_IS_SYSTEM_DIR 1530 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1531 1532 // Collect ordinary system packages. 1533 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1534 mSystemInstallObserver = new AppDirObserver( 1535 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1536 mSystemInstallObserver.startWatching(); 1537 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1538 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1539 1540 // Collect all vendor packages. 1541 File vendorAppDir = new File("/vendor/app"); 1542 try { 1543 vendorAppDir = vendorAppDir.getCanonicalFile(); 1544 } catch (IOException e) { 1545 // failed to look up canonical path, continue with original one 1546 } 1547 mVendorInstallObserver = new AppDirObserver( 1548 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1549 mVendorInstallObserver.startWatching(); 1550 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1551 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1552 1553 // Collect all OEM packages. 1554 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1555 mOemInstallObserver = new AppDirObserver( 1556 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1557 mOemInstallObserver.startWatching(); 1558 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1559 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1560 1561 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1562 mInstaller.moveFiles(); 1563 1564 // Prune any system packages that no longer exist. 1565 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1566 if (!mOnlyCore) { 1567 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1568 while (psit.hasNext()) { 1569 PackageSetting ps = psit.next(); 1570 1571 /* 1572 * If this is not a system app, it can't be a 1573 * disable system app. 1574 */ 1575 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1576 continue; 1577 } 1578 1579 /* 1580 * If the package is scanned, it's not erased. 1581 */ 1582 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1583 if (scannedPkg != null) { 1584 /* 1585 * If the system app is both scanned and in the 1586 * disabled packages list, then it must have been 1587 * added via OTA. Remove it from the currently 1588 * scanned package so the previously user-installed 1589 * application can be scanned. 1590 */ 1591 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1592 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1593 + "; removing system app"); 1594 removePackageLI(ps, true); 1595 } 1596 1597 continue; 1598 } 1599 1600 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1601 psit.remove(); 1602 String msg = "System package " + ps.name 1603 + " no longer exists; wiping its data"; 1604 reportSettingsProblem(Log.WARN, msg); 1605 removeDataDirsLI(ps.name); 1606 } else { 1607 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1608 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1609 possiblyDeletedUpdatedSystemApps.add(ps.name); 1610 } 1611 } 1612 } 1613 } 1614 1615 //look for any incomplete package installations 1616 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1617 //clean up list 1618 for(int i = 0; i < deletePkgsList.size(); i++) { 1619 //clean up here 1620 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1621 } 1622 //delete tmp files 1623 deleteTempPackageFiles(); 1624 1625 // Remove any shared userIDs that have no associated packages 1626 mSettings.pruneSharedUsersLPw(); 1627 1628 if (!mOnlyCore) { 1629 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1630 SystemClock.uptimeMillis()); 1631 mAppInstallObserver = new AppDirObserver( 1632 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1633 mAppInstallObserver.startWatching(); 1634 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1635 1636 mDrmAppInstallObserver = new AppDirObserver( 1637 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1638 mDrmAppInstallObserver.startWatching(); 1639 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1640 scanMode, 0); 1641 1642 /** 1643 * Remove disable package settings for any updated system 1644 * apps that were removed via an OTA. If they're not a 1645 * previously-updated app, remove them completely. 1646 * Otherwise, just revoke their system-level permissions. 1647 */ 1648 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1649 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1650 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1651 1652 String msg; 1653 if (deletedPkg == null) { 1654 msg = "Updated system package " + deletedAppName 1655 + " no longer exists; wiping its data"; 1656 removeDataDirsLI(deletedAppName); 1657 } else { 1658 msg = "Updated system app + " + deletedAppName 1659 + " no longer present; removing system privileges for " 1660 + deletedAppName; 1661 1662 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1663 1664 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1665 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1666 } 1667 reportSettingsProblem(Log.WARN, msg); 1668 } 1669 } else { 1670 mAppInstallObserver = null; 1671 mDrmAppInstallObserver = null; 1672 } 1673 1674 // Now that we know all of the shared libraries, update all clients to have 1675 // the correct library paths. 1676 updateAllSharedLibrariesLPw(); 1677 1678 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1679 // NOTE: We ignore potential failures here during a system scan (like 1680 // the rest of the commands above) because there's precious little we 1681 // can do about it. A settings error is reported, though. 1682 adjustCpuAbisForSharedUserLPw(setting.packages, null, 1683 false /* force dexopt */, false /* defer dexopt */); 1684 } 1685 1686 // Now that we know all the packages we are keeping, 1687 // read and update their last usage times. 1688 mPackageUsage.readLP(); 1689 1690 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1691 SystemClock.uptimeMillis()); 1692 Slog.i(TAG, "Time to scan packages: " 1693 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1694 + " seconds"); 1695 1696 // If the platform SDK has changed since the last time we booted, 1697 // we need to re-grant app permission to catch any new ones that 1698 // appear. This is really a hack, and means that apps can in some 1699 // cases get permissions that the user didn't initially explicitly 1700 // allow... it would be nice to have some better way to handle 1701 // this situation. 1702 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1703 != mSdkVersion; 1704 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1705 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1706 + "; regranting permissions for internal storage"); 1707 mSettings.mInternalSdkPlatform = mSdkVersion; 1708 1709 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1710 | (regrantPermissions 1711 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1712 : 0)); 1713 1714 // If this is the first boot, and it is a normal boot, then 1715 // we need to initialize the default preferred apps. 1716 if (!mRestoredSettings && !onlyCore) { 1717 mSettings.readDefaultPreferredAppsLPw(this, 0); 1718 } 1719 1720 // All the changes are done during package scanning. 1721 mSettings.updateInternalDatabaseVersion(); 1722 1723 // can downgrade to reader 1724 mSettings.writeLPr(); 1725 1726 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1727 SystemClock.uptimeMillis()); 1728 1729 1730 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1731 } // synchronized (mPackages) 1732 } // synchronized (mInstallLock) 1733 1734 mInstallerService = new PackageInstallerService(context, this, mAppStagingDir); 1735 1736 // Now after opening every single application zip, make sure they 1737 // are all flushed. Not really needed, but keeps things nice and 1738 // tidy. 1739 Runtime.getRuntime().gc(); 1740 } 1741 1742 @Override 1743 public boolean isFirstBoot() { 1744 return !mRestoredSettings || mPackageUsage.isFirstBoot(); 1745 } 1746 1747 @Override 1748 public boolean isOnlyCoreApps() { 1749 return mOnlyCore; 1750 } 1751 1752 private String getRequiredVerifierLPr() { 1753 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1754 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1755 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1756 1757 String requiredVerifier = null; 1758 1759 final int N = receivers.size(); 1760 for (int i = 0; i < N; i++) { 1761 final ResolveInfo info = receivers.get(i); 1762 1763 if (info.activityInfo == null) { 1764 continue; 1765 } 1766 1767 final String packageName = info.activityInfo.packageName; 1768 1769 final PackageSetting ps = mSettings.mPackages.get(packageName); 1770 if (ps == null) { 1771 continue; 1772 } 1773 1774 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1775 if (!gp.grantedPermissions 1776 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1777 continue; 1778 } 1779 1780 if (requiredVerifier != null) { 1781 throw new RuntimeException("There can be only one required verifier"); 1782 } 1783 1784 requiredVerifier = packageName; 1785 } 1786 1787 return requiredVerifier; 1788 } 1789 1790 @Override 1791 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1792 throws RemoteException { 1793 try { 1794 return super.onTransact(code, data, reply, flags); 1795 } catch (RuntimeException e) { 1796 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1797 Slog.wtf(TAG, "Package Manager Crash", e); 1798 } 1799 throw e; 1800 } 1801 } 1802 1803 void cleanupInstallFailedPackage(PackageSetting ps) { 1804 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1805 removeDataDirsLI(ps.name); 1806 if (ps.codePath != null) { 1807 if (!ps.codePath.delete()) { 1808 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1809 } 1810 } 1811 if (ps.resourcePath != null) { 1812 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1813 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1814 } 1815 } 1816 mSettings.removePackageLPw(ps.name); 1817 } 1818 1819 void readPermissions(File libraryDir, boolean onlyFeatures) { 1820 // Read permissions from .../etc/permission directory. 1821 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1822 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1823 return; 1824 } 1825 if (!libraryDir.canRead()) { 1826 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1827 return; 1828 } 1829 1830 // Iterate over the files in the directory and scan .xml files 1831 for (File f : libraryDir.listFiles()) { 1832 // We'll read platform.xml last 1833 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1834 continue; 1835 } 1836 1837 if (!f.getPath().endsWith(".xml")) { 1838 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1839 continue; 1840 } 1841 if (!f.canRead()) { 1842 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1843 continue; 1844 } 1845 1846 readPermissionsFromXml(f, onlyFeatures); 1847 } 1848 1849 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1850 final File permFile = new File(Environment.getRootDirectory(), 1851 "etc/permissions/platform.xml"); 1852 readPermissionsFromXml(permFile, onlyFeatures); 1853 } 1854 1855 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1856 FileReader permReader = null; 1857 try { 1858 permReader = new FileReader(permFile); 1859 } catch (FileNotFoundException e) { 1860 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1861 return; 1862 } 1863 1864 try { 1865 XmlPullParser parser = Xml.newPullParser(); 1866 parser.setInput(permReader); 1867 1868 XmlUtils.beginDocument(parser, "permissions"); 1869 1870 while (true) { 1871 XmlUtils.nextElement(parser); 1872 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1873 break; 1874 } 1875 1876 String name = parser.getName(); 1877 if ("group".equals(name) && !onlyFeatures) { 1878 String gidStr = parser.getAttributeValue(null, "gid"); 1879 if (gidStr != null) { 1880 int gid = Process.getGidForName(gidStr); 1881 mGlobalGids = appendInt(mGlobalGids, gid); 1882 } else { 1883 Slog.w(TAG, "<group> without gid at " 1884 + parser.getPositionDescription()); 1885 } 1886 1887 XmlUtils.skipCurrentTag(parser); 1888 continue; 1889 } else if ("permission".equals(name) && !onlyFeatures) { 1890 String perm = parser.getAttributeValue(null, "name"); 1891 if (perm == null) { 1892 Slog.w(TAG, "<permission> without name at " 1893 + parser.getPositionDescription()); 1894 XmlUtils.skipCurrentTag(parser); 1895 continue; 1896 } 1897 perm = perm.intern(); 1898 readPermission(parser, perm); 1899 1900 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1901 String perm = parser.getAttributeValue(null, "name"); 1902 if (perm == null) { 1903 Slog.w(TAG, "<assign-permission> without name at " 1904 + parser.getPositionDescription()); 1905 XmlUtils.skipCurrentTag(parser); 1906 continue; 1907 } 1908 String uidStr = parser.getAttributeValue(null, "uid"); 1909 if (uidStr == null) { 1910 Slog.w(TAG, "<assign-permission> without uid at " 1911 + parser.getPositionDescription()); 1912 XmlUtils.skipCurrentTag(parser); 1913 continue; 1914 } 1915 int uid = Process.getUidForName(uidStr); 1916 if (uid < 0) { 1917 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1918 + uidStr + "\" at " 1919 + parser.getPositionDescription()); 1920 XmlUtils.skipCurrentTag(parser); 1921 continue; 1922 } 1923 perm = perm.intern(); 1924 HashSet<String> perms = mSystemPermissions.get(uid); 1925 if (perms == null) { 1926 perms = new HashSet<String>(); 1927 mSystemPermissions.put(uid, perms); 1928 } 1929 perms.add(perm); 1930 XmlUtils.skipCurrentTag(parser); 1931 1932 } else if ("library".equals(name) && !onlyFeatures) { 1933 String lname = parser.getAttributeValue(null, "name"); 1934 String lfile = parser.getAttributeValue(null, "file"); 1935 if (lname == null) { 1936 Slog.w(TAG, "<library> without name at " 1937 + parser.getPositionDescription()); 1938 } else if (lfile == null) { 1939 Slog.w(TAG, "<library> without file at " 1940 + parser.getPositionDescription()); 1941 } else { 1942 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1943 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1944 } 1945 XmlUtils.skipCurrentTag(parser); 1946 continue; 1947 1948 } else if ("feature".equals(name)) { 1949 String fname = parser.getAttributeValue(null, "name"); 1950 if (fname == null) { 1951 Slog.w(TAG, "<feature> without name at " 1952 + parser.getPositionDescription()); 1953 } else { 1954 //Log.i(TAG, "Got feature " + fname); 1955 FeatureInfo fi = new FeatureInfo(); 1956 fi.name = fname; 1957 mAvailableFeatures.put(fname, fi); 1958 } 1959 XmlUtils.skipCurrentTag(parser); 1960 continue; 1961 1962 } else { 1963 XmlUtils.skipCurrentTag(parser); 1964 continue; 1965 } 1966 1967 } 1968 permReader.close(); 1969 } catch (XmlPullParserException e) { 1970 Slog.w(TAG, "Got execption parsing permissions.", e); 1971 } catch (IOException e) { 1972 Slog.w(TAG, "Got execption parsing permissions.", e); 1973 } 1974 } 1975 1976 void readPermission(XmlPullParser parser, String name) 1977 throws IOException, XmlPullParserException { 1978 1979 name = name.intern(); 1980 1981 BasePermission bp = mSettings.mPermissions.get(name); 1982 if (bp == null) { 1983 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1984 mSettings.mPermissions.put(name, bp); 1985 } 1986 int outerDepth = parser.getDepth(); 1987 int type; 1988 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1989 && (type != XmlPullParser.END_TAG 1990 || parser.getDepth() > outerDepth)) { 1991 if (type == XmlPullParser.END_TAG 1992 || type == XmlPullParser.TEXT) { 1993 continue; 1994 } 1995 1996 String tagName = parser.getName(); 1997 if ("group".equals(tagName)) { 1998 String gidStr = parser.getAttributeValue(null, "gid"); 1999 if (gidStr != null) { 2000 int gid = Process.getGidForName(gidStr); 2001 bp.gids = appendInt(bp.gids, gid); 2002 } else { 2003 Slog.w(TAG, "<group> without gid at " 2004 + parser.getPositionDescription()); 2005 } 2006 } 2007 XmlUtils.skipCurrentTag(parser); 2008 } 2009 } 2010 2011 static int[] appendInts(int[] cur, int[] add) { 2012 if (add == null) return cur; 2013 if (cur == null) return add; 2014 final int N = add.length; 2015 for (int i=0; i<N; i++) { 2016 cur = appendInt(cur, add[i]); 2017 } 2018 return cur; 2019 } 2020 2021 static int[] removeInts(int[] cur, int[] rem) { 2022 if (rem == null) return cur; 2023 if (cur == null) return cur; 2024 final int N = rem.length; 2025 for (int i=0; i<N; i++) { 2026 cur = removeInt(cur, rem[i]); 2027 } 2028 return cur; 2029 } 2030 2031 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2032 if (!sUserManager.exists(userId)) return null; 2033 final PackageSetting ps = (PackageSetting) p.mExtras; 2034 if (ps == null) { 2035 return null; 2036 } 2037 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 2038 final PackageUserState state = ps.readUserState(userId); 2039 return PackageParser.generatePackageInfo(p, gp.gids, flags, 2040 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 2041 state, userId); 2042 } 2043 2044 @Override 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 @Override 2083 public String[] currentToCanonicalPackageNames(String[] names) { 2084 String[] out = new String[names.length]; 2085 // reader 2086 synchronized (mPackages) { 2087 for (int i=names.length-1; i>=0; i--) { 2088 PackageSetting ps = mSettings.mPackages.get(names[i]); 2089 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2090 } 2091 } 2092 return out; 2093 } 2094 2095 @Override 2096 public String[] canonicalToCurrentPackageNames(String[] names) { 2097 String[] out = new String[names.length]; 2098 // reader 2099 synchronized (mPackages) { 2100 for (int i=names.length-1; i>=0; i--) { 2101 String cur = mSettings.mRenamedPackages.get(names[i]); 2102 out[i] = cur != null ? cur : names[i]; 2103 } 2104 } 2105 return out; 2106 } 2107 2108 @Override 2109 public int getPackageUid(String packageName, int userId) { 2110 if (!sUserManager.exists(userId)) return -1; 2111 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 2112 // reader 2113 synchronized (mPackages) { 2114 PackageParser.Package p = mPackages.get(packageName); 2115 if(p != null) { 2116 return UserHandle.getUid(userId, p.applicationInfo.uid); 2117 } 2118 PackageSetting ps = mSettings.mPackages.get(packageName); 2119 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 2120 return -1; 2121 } 2122 p = ps.pkg; 2123 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 2124 } 2125 } 2126 2127 @Override 2128 public int[] getPackageGids(String packageName) { 2129 // reader 2130 synchronized (mPackages) { 2131 PackageParser.Package p = mPackages.get(packageName); 2132 if (DEBUG_PACKAGE_INFO) 2133 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 2134 if (p != null) { 2135 final PackageSetting ps = (PackageSetting)p.mExtras; 2136 return ps.getGids(); 2137 } 2138 } 2139 // stupid thing to indicate an error. 2140 return new int[0]; 2141 } 2142 2143 static final PermissionInfo generatePermissionInfo( 2144 BasePermission bp, int flags) { 2145 if (bp.perm != null) { 2146 return PackageParser.generatePermissionInfo(bp.perm, flags); 2147 } 2148 PermissionInfo pi = new PermissionInfo(); 2149 pi.name = bp.name; 2150 pi.packageName = bp.sourcePackage; 2151 pi.nonLocalizedLabel = bp.name; 2152 pi.protectionLevel = bp.protectionLevel; 2153 return pi; 2154 } 2155 2156 @Override 2157 public PermissionInfo getPermissionInfo(String name, int flags) { 2158 // reader 2159 synchronized (mPackages) { 2160 final BasePermission p = mSettings.mPermissions.get(name); 2161 if (p != null) { 2162 return generatePermissionInfo(p, flags); 2163 } 2164 return null; 2165 } 2166 } 2167 2168 @Override 2169 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2170 // reader 2171 synchronized (mPackages) { 2172 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2173 for (BasePermission p : mSettings.mPermissions.values()) { 2174 if (group == null) { 2175 if (p.perm == null || p.perm.info.group == null) { 2176 out.add(generatePermissionInfo(p, flags)); 2177 } 2178 } else { 2179 if (p.perm != null && group.equals(p.perm.info.group)) { 2180 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2181 } 2182 } 2183 } 2184 2185 if (out.size() > 0) { 2186 return out; 2187 } 2188 return mPermissionGroups.containsKey(group) ? out : null; 2189 } 2190 } 2191 2192 @Override 2193 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2194 // reader 2195 synchronized (mPackages) { 2196 return PackageParser.generatePermissionGroupInfo( 2197 mPermissionGroups.get(name), flags); 2198 } 2199 } 2200 2201 @Override 2202 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2203 // reader 2204 synchronized (mPackages) { 2205 final int N = mPermissionGroups.size(); 2206 ArrayList<PermissionGroupInfo> out 2207 = new ArrayList<PermissionGroupInfo>(N); 2208 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2209 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2210 } 2211 return out; 2212 } 2213 } 2214 2215 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2216 int userId) { 2217 if (!sUserManager.exists(userId)) return null; 2218 PackageSetting ps = mSettings.mPackages.get(packageName); 2219 if (ps != null) { 2220 if (ps.pkg == null) { 2221 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2222 flags, userId); 2223 if (pInfo != null) { 2224 return pInfo.applicationInfo; 2225 } 2226 return null; 2227 } 2228 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2229 ps.readUserState(userId), userId); 2230 } 2231 return null; 2232 } 2233 2234 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2235 int userId) { 2236 if (!sUserManager.exists(userId)) return null; 2237 PackageSetting ps = mSettings.mPackages.get(packageName); 2238 if (ps != null) { 2239 PackageParser.Package pkg = ps.pkg; 2240 if (pkg == null) { 2241 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2242 return null; 2243 } 2244 // TODO: teach about reading split name 2245 pkg = new PackageParser.Package(packageName, null); 2246 pkg.applicationInfo.packageName = packageName; 2247 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2248 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2249 pkg.applicationInfo.sourceDir = ps.codePathString; 2250 pkg.applicationInfo.dataDir = 2251 getDataPathForPackage(packageName, 0).getPath(); 2252 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2253 pkg.applicationInfo.cpuAbi = ps.cpuAbiString; 2254 } 2255 return generatePackageInfo(pkg, flags, userId); 2256 } 2257 return null; 2258 } 2259 2260 @Override 2261 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2262 if (!sUserManager.exists(userId)) return null; 2263 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2264 // writer 2265 synchronized (mPackages) { 2266 PackageParser.Package p = mPackages.get(packageName); 2267 if (DEBUG_PACKAGE_INFO) Log.v( 2268 TAG, "getApplicationInfo " + packageName 2269 + ": " + p); 2270 if (p != null) { 2271 PackageSetting ps = mSettings.mPackages.get(packageName); 2272 if (ps == null) return null; 2273 // Note: isEnabledLP() does not apply here - always return info 2274 return PackageParser.generateApplicationInfo( 2275 p, flags, ps.readUserState(userId), userId); 2276 } 2277 if ("android".equals(packageName)||"system".equals(packageName)) { 2278 return mAndroidApplication; 2279 } 2280 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2281 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2282 } 2283 } 2284 return null; 2285 } 2286 2287 2288 @Override 2289 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2290 mContext.enforceCallingOrSelfPermission( 2291 android.Manifest.permission.CLEAR_APP_CACHE, null); 2292 // Queue up an async operation since clearing cache may take a little while. 2293 mHandler.post(new Runnable() { 2294 public void run() { 2295 mHandler.removeCallbacks(this); 2296 int retCode = -1; 2297 synchronized (mInstallLock) { 2298 retCode = mInstaller.freeCache(freeStorageSize); 2299 if (retCode < 0) { 2300 Slog.w(TAG, "Couldn't clear application caches"); 2301 } 2302 } 2303 if (observer != null) { 2304 try { 2305 observer.onRemoveCompleted(null, (retCode >= 0)); 2306 } catch (RemoteException e) { 2307 Slog.w(TAG, "RemoveException when invoking call back"); 2308 } 2309 } 2310 } 2311 }); 2312 } 2313 2314 @Override 2315 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2316 mContext.enforceCallingOrSelfPermission( 2317 android.Manifest.permission.CLEAR_APP_CACHE, null); 2318 // Queue up an async operation since clearing cache may take a little while. 2319 mHandler.post(new Runnable() { 2320 public void run() { 2321 mHandler.removeCallbacks(this); 2322 int retCode = -1; 2323 synchronized (mInstallLock) { 2324 retCode = mInstaller.freeCache(freeStorageSize); 2325 if (retCode < 0) { 2326 Slog.w(TAG, "Couldn't clear application caches"); 2327 } 2328 } 2329 if(pi != null) { 2330 try { 2331 // Callback via pending intent 2332 int code = (retCode >= 0) ? 1 : 0; 2333 pi.sendIntent(null, code, null, 2334 null, null); 2335 } catch (SendIntentException e1) { 2336 Slog.i(TAG, "Failed to send pending intent"); 2337 } 2338 } 2339 } 2340 }); 2341 } 2342 2343 void freeStorage(long freeStorageSize) throws IOException { 2344 synchronized (mInstallLock) { 2345 if (mInstaller.freeCache(freeStorageSize) < 0) { 2346 throw new IOException("Failed to free enough space"); 2347 } 2348 } 2349 } 2350 2351 @Override 2352 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2353 if (!sUserManager.exists(userId)) return null; 2354 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2355 synchronized (mPackages) { 2356 PackageParser.Activity a = mActivities.mActivities.get(component); 2357 2358 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2359 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2360 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2361 if (ps == null) return null; 2362 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2363 userId); 2364 } 2365 if (mResolveComponentName.equals(component)) { 2366 return mResolveActivity; 2367 } 2368 } 2369 return null; 2370 } 2371 2372 @Override 2373 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2374 String resolvedType) { 2375 synchronized (mPackages) { 2376 PackageParser.Activity a = mActivities.mActivities.get(component); 2377 if (a == null) { 2378 return false; 2379 } 2380 for (int i=0; i<a.intents.size(); i++) { 2381 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2382 intent.getData(), intent.getCategories(), TAG) >= 0) { 2383 return true; 2384 } 2385 } 2386 return false; 2387 } 2388 } 2389 2390 @Override 2391 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2392 if (!sUserManager.exists(userId)) return null; 2393 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2394 synchronized (mPackages) { 2395 PackageParser.Activity a = mReceivers.mActivities.get(component); 2396 if (DEBUG_PACKAGE_INFO) Log.v( 2397 TAG, "getReceiverInfo " + component + ": " + a); 2398 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2399 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2400 if (ps == null) return null; 2401 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2402 userId); 2403 } 2404 } 2405 return null; 2406 } 2407 2408 @Override 2409 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2410 if (!sUserManager.exists(userId)) return null; 2411 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2412 synchronized (mPackages) { 2413 PackageParser.Service s = mServices.mServices.get(component); 2414 if (DEBUG_PACKAGE_INFO) Log.v( 2415 TAG, "getServiceInfo " + component + ": " + s); 2416 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2417 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2418 if (ps == null) return null; 2419 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2420 userId); 2421 } 2422 } 2423 return null; 2424 } 2425 2426 @Override 2427 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2428 if (!sUserManager.exists(userId)) return null; 2429 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2430 synchronized (mPackages) { 2431 PackageParser.Provider p = mProviders.mProviders.get(component); 2432 if (DEBUG_PACKAGE_INFO) Log.v( 2433 TAG, "getProviderInfo " + component + ": " + p); 2434 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2435 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2436 if (ps == null) return null; 2437 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2438 userId); 2439 } 2440 } 2441 return null; 2442 } 2443 2444 @Override 2445 public String[] getSystemSharedLibraryNames() { 2446 Set<String> libSet; 2447 synchronized (mPackages) { 2448 libSet = mSharedLibraries.keySet(); 2449 int size = libSet.size(); 2450 if (size > 0) { 2451 String[] libs = new String[size]; 2452 libSet.toArray(libs); 2453 return libs; 2454 } 2455 } 2456 return null; 2457 } 2458 2459 @Override 2460 public FeatureInfo[] getSystemAvailableFeatures() { 2461 Collection<FeatureInfo> featSet; 2462 synchronized (mPackages) { 2463 featSet = mAvailableFeatures.values(); 2464 int size = featSet.size(); 2465 if (size > 0) { 2466 FeatureInfo[] features = new FeatureInfo[size+1]; 2467 featSet.toArray(features); 2468 FeatureInfo fi = new FeatureInfo(); 2469 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2470 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2471 features[size] = fi; 2472 return features; 2473 } 2474 } 2475 return null; 2476 } 2477 2478 @Override 2479 public boolean hasSystemFeature(String name) { 2480 synchronized (mPackages) { 2481 return mAvailableFeatures.containsKey(name); 2482 } 2483 } 2484 2485 private void checkValidCaller(int uid, int userId) { 2486 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2487 return; 2488 2489 throw new SecurityException("Caller uid=" + uid 2490 + " is not privileged to communicate with user=" + userId); 2491 } 2492 2493 @Override 2494 public int checkPermission(String permName, String pkgName) { 2495 synchronized (mPackages) { 2496 PackageParser.Package p = mPackages.get(pkgName); 2497 if (p != null && p.mExtras != null) { 2498 PackageSetting ps = (PackageSetting)p.mExtras; 2499 if (ps.sharedUser != null) { 2500 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2501 return PackageManager.PERMISSION_GRANTED; 2502 } 2503 } else if (ps.grantedPermissions.contains(permName)) { 2504 return PackageManager.PERMISSION_GRANTED; 2505 } 2506 } 2507 } 2508 return PackageManager.PERMISSION_DENIED; 2509 } 2510 2511 @Override 2512 public int checkUidPermission(String permName, int uid) { 2513 synchronized (mPackages) { 2514 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2515 if (obj != null) { 2516 GrantedPermissions gp = (GrantedPermissions)obj; 2517 if (gp.grantedPermissions.contains(permName)) { 2518 return PackageManager.PERMISSION_GRANTED; 2519 } 2520 } else { 2521 HashSet<String> perms = mSystemPermissions.get(uid); 2522 if (perms != null && perms.contains(permName)) { 2523 return PackageManager.PERMISSION_GRANTED; 2524 } 2525 } 2526 } 2527 return PackageManager.PERMISSION_DENIED; 2528 } 2529 2530 /** 2531 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2532 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2533 * @param message the message to log on security exception 2534 */ 2535 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2536 String message) { 2537 if (userId < 0) { 2538 throw new IllegalArgumentException("Invalid userId " + userId); 2539 } 2540 if (userId == UserHandle.getUserId(callingUid)) return; 2541 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2542 if (requireFullPermission) { 2543 mContext.enforceCallingOrSelfPermission( 2544 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2545 } else { 2546 try { 2547 mContext.enforceCallingOrSelfPermission( 2548 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2549 } catch (SecurityException se) { 2550 mContext.enforceCallingOrSelfPermission( 2551 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2552 } 2553 } 2554 } 2555 } 2556 2557 private BasePermission findPermissionTreeLP(String permName) { 2558 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2559 if (permName.startsWith(bp.name) && 2560 permName.length() > bp.name.length() && 2561 permName.charAt(bp.name.length()) == '.') { 2562 return bp; 2563 } 2564 } 2565 return null; 2566 } 2567 2568 private BasePermission checkPermissionTreeLP(String permName) { 2569 if (permName != null) { 2570 BasePermission bp = findPermissionTreeLP(permName); 2571 if (bp != null) { 2572 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2573 return bp; 2574 } 2575 throw new SecurityException("Calling uid " 2576 + Binder.getCallingUid() 2577 + " is not allowed to add to permission tree " 2578 + bp.name + " owned by uid " + bp.uid); 2579 } 2580 } 2581 throw new SecurityException("No permission tree found for " + permName); 2582 } 2583 2584 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2585 if (s1 == null) { 2586 return s2 == null; 2587 } 2588 if (s2 == null) { 2589 return false; 2590 } 2591 if (s1.getClass() != s2.getClass()) { 2592 return false; 2593 } 2594 return s1.equals(s2); 2595 } 2596 2597 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2598 if (pi1.icon != pi2.icon) return false; 2599 if (pi1.logo != pi2.logo) return false; 2600 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2601 if (!compareStrings(pi1.name, pi2.name)) return false; 2602 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2603 // We'll take care of setting this one. 2604 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2605 // These are not currently stored in settings. 2606 //if (!compareStrings(pi1.group, pi2.group)) return false; 2607 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2608 //if (pi1.labelRes != pi2.labelRes) return false; 2609 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2610 return true; 2611 } 2612 2613 int permissionInfoFootprint(PermissionInfo info) { 2614 int size = info.name.length(); 2615 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2616 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2617 return size; 2618 } 2619 2620 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2621 int size = 0; 2622 for (BasePermission perm : mSettings.mPermissions.values()) { 2623 if (perm.uid == tree.uid) { 2624 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2625 } 2626 } 2627 return size; 2628 } 2629 2630 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2631 // We calculate the max size of permissions defined by this uid and throw 2632 // if that plus the size of 'info' would exceed our stated maximum. 2633 if (tree.uid != Process.SYSTEM_UID) { 2634 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2635 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2636 throw new SecurityException("Permission tree size cap exceeded"); 2637 } 2638 } 2639 } 2640 2641 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2642 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2643 throw new SecurityException("Label must be specified in permission"); 2644 } 2645 BasePermission tree = checkPermissionTreeLP(info.name); 2646 BasePermission bp = mSettings.mPermissions.get(info.name); 2647 boolean added = bp == null; 2648 boolean changed = true; 2649 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2650 if (added) { 2651 enforcePermissionCapLocked(info, tree); 2652 bp = new BasePermission(info.name, tree.sourcePackage, 2653 BasePermission.TYPE_DYNAMIC); 2654 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2655 throw new SecurityException( 2656 "Not allowed to modify non-dynamic permission " 2657 + info.name); 2658 } else { 2659 if (bp.protectionLevel == fixedLevel 2660 && bp.perm.owner.equals(tree.perm.owner) 2661 && bp.uid == tree.uid 2662 && comparePermissionInfos(bp.perm.info, info)) { 2663 changed = false; 2664 } 2665 } 2666 bp.protectionLevel = fixedLevel; 2667 info = new PermissionInfo(info); 2668 info.protectionLevel = fixedLevel; 2669 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2670 bp.perm.info.packageName = tree.perm.info.packageName; 2671 bp.uid = tree.uid; 2672 if (added) { 2673 mSettings.mPermissions.put(info.name, bp); 2674 } 2675 if (changed) { 2676 if (!async) { 2677 mSettings.writeLPr(); 2678 } else { 2679 scheduleWriteSettingsLocked(); 2680 } 2681 } 2682 return added; 2683 } 2684 2685 @Override 2686 public boolean addPermission(PermissionInfo info) { 2687 synchronized (mPackages) { 2688 return addPermissionLocked(info, false); 2689 } 2690 } 2691 2692 @Override 2693 public boolean addPermissionAsync(PermissionInfo info) { 2694 synchronized (mPackages) { 2695 return addPermissionLocked(info, true); 2696 } 2697 } 2698 2699 @Override 2700 public void removePermission(String name) { 2701 synchronized (mPackages) { 2702 checkPermissionTreeLP(name); 2703 BasePermission bp = mSettings.mPermissions.get(name); 2704 if (bp != null) { 2705 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2706 throw new SecurityException( 2707 "Not allowed to modify non-dynamic permission " 2708 + name); 2709 } 2710 mSettings.mPermissions.remove(name); 2711 mSettings.writeLPr(); 2712 } 2713 } 2714 } 2715 2716 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2717 int index = pkg.requestedPermissions.indexOf(bp.name); 2718 if (index == -1) { 2719 throw new SecurityException("Package " + pkg.packageName 2720 + " has not requested permission " + bp.name); 2721 } 2722 boolean isNormal = 2723 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2724 == PermissionInfo.PROTECTION_NORMAL); 2725 boolean isDangerous = 2726 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2727 == PermissionInfo.PROTECTION_DANGEROUS); 2728 boolean isDevelopment = 2729 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2730 2731 if (!isNormal && !isDangerous && !isDevelopment) { 2732 throw new SecurityException("Permission " + bp.name 2733 + " is not a changeable permission type"); 2734 } 2735 2736 if (isNormal || isDangerous) { 2737 if (pkg.requestedPermissionsRequired.get(index)) { 2738 throw new SecurityException("Can't change " + bp.name 2739 + ". It is required by the application"); 2740 } 2741 } 2742 } 2743 2744 @Override 2745 public void grantPermission(String packageName, String permissionName) { 2746 mContext.enforceCallingOrSelfPermission( 2747 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2748 synchronized (mPackages) { 2749 final PackageParser.Package pkg = mPackages.get(packageName); 2750 if (pkg == null) { 2751 throw new IllegalArgumentException("Unknown package: " + packageName); 2752 } 2753 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2754 if (bp == null) { 2755 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2756 } 2757 2758 checkGrantRevokePermissions(pkg, bp); 2759 2760 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2761 if (ps == null) { 2762 return; 2763 } 2764 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2765 if (gp.grantedPermissions.add(permissionName)) { 2766 if (ps.haveGids) { 2767 gp.gids = appendInts(gp.gids, bp.gids); 2768 } 2769 mSettings.writeLPr(); 2770 } 2771 } 2772 } 2773 2774 @Override 2775 public void revokePermission(String packageName, String permissionName) { 2776 int changedAppId = -1; 2777 2778 synchronized (mPackages) { 2779 final PackageParser.Package pkg = mPackages.get(packageName); 2780 if (pkg == null) { 2781 throw new IllegalArgumentException("Unknown package: " + packageName); 2782 } 2783 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2784 mContext.enforceCallingOrSelfPermission( 2785 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2786 } 2787 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2788 if (bp == null) { 2789 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2790 } 2791 2792 checkGrantRevokePermissions(pkg, bp); 2793 2794 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2795 if (ps == null) { 2796 return; 2797 } 2798 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2799 if (gp.grantedPermissions.remove(permissionName)) { 2800 gp.grantedPermissions.remove(permissionName); 2801 if (ps.haveGids) { 2802 gp.gids = removeInts(gp.gids, bp.gids); 2803 } 2804 mSettings.writeLPr(); 2805 changedAppId = ps.appId; 2806 } 2807 } 2808 2809 if (changedAppId >= 0) { 2810 // We changed the perm on someone, kill its processes. 2811 IActivityManager am = ActivityManagerNative.getDefault(); 2812 if (am != null) { 2813 final int callingUserId = UserHandle.getCallingUserId(); 2814 final long ident = Binder.clearCallingIdentity(); 2815 try { 2816 //XXX we should only revoke for the calling user's app permissions, 2817 // but for now we impact all users. 2818 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2819 // "revoke " + permissionName); 2820 int[] users = sUserManager.getUserIds(); 2821 for (int user : users) { 2822 am.killUid(UserHandle.getUid(user, changedAppId), 2823 "revoke " + permissionName); 2824 } 2825 } catch (RemoteException e) { 2826 } finally { 2827 Binder.restoreCallingIdentity(ident); 2828 } 2829 } 2830 } 2831 } 2832 2833 @Override 2834 public boolean isProtectedBroadcast(String actionName) { 2835 synchronized (mPackages) { 2836 return mProtectedBroadcasts.contains(actionName); 2837 } 2838 } 2839 2840 @Override 2841 public int checkSignatures(String pkg1, String pkg2) { 2842 synchronized (mPackages) { 2843 final PackageParser.Package p1 = mPackages.get(pkg1); 2844 final PackageParser.Package p2 = mPackages.get(pkg2); 2845 if (p1 == null || p1.mExtras == null 2846 || p2 == null || p2.mExtras == null) { 2847 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2848 } 2849 return compareSignatures(p1.mSignatures, p2.mSignatures); 2850 } 2851 } 2852 2853 @Override 2854 public int checkUidSignatures(int uid1, int uid2) { 2855 // Map to base uids. 2856 uid1 = UserHandle.getAppId(uid1); 2857 uid2 = UserHandle.getAppId(uid2); 2858 // reader 2859 synchronized (mPackages) { 2860 Signature[] s1; 2861 Signature[] s2; 2862 Object obj = mSettings.getUserIdLPr(uid1); 2863 if (obj != null) { 2864 if (obj instanceof SharedUserSetting) { 2865 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2866 } else if (obj instanceof PackageSetting) { 2867 s1 = ((PackageSetting)obj).signatures.mSignatures; 2868 } else { 2869 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2870 } 2871 } else { 2872 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2873 } 2874 obj = mSettings.getUserIdLPr(uid2); 2875 if (obj != null) { 2876 if (obj instanceof SharedUserSetting) { 2877 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2878 } else if (obj instanceof PackageSetting) { 2879 s2 = ((PackageSetting)obj).signatures.mSignatures; 2880 } else { 2881 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2882 } 2883 } else { 2884 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2885 } 2886 return compareSignatures(s1, s2); 2887 } 2888 } 2889 2890 /** 2891 * Compares two sets of signatures. Returns: 2892 * <br /> 2893 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2894 * <br /> 2895 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2896 * <br /> 2897 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2898 * <br /> 2899 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2900 * <br /> 2901 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2902 */ 2903 static int compareSignatures(Signature[] s1, Signature[] s2) { 2904 if (s1 == null) { 2905 return s2 == null 2906 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2907 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2908 } 2909 2910 if (s2 == null) { 2911 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2912 } 2913 2914 if (s1.length != s2.length) { 2915 return PackageManager.SIGNATURE_NO_MATCH; 2916 } 2917 2918 // Since both signature sets are of size 1, we can compare without HashSets. 2919 if (s1.length == 1) { 2920 return s1[0].equals(s2[0]) ? 2921 PackageManager.SIGNATURE_MATCH : 2922 PackageManager.SIGNATURE_NO_MATCH; 2923 } 2924 2925 HashSet<Signature> set1 = new HashSet<Signature>(); 2926 for (Signature sig : s1) { 2927 set1.add(sig); 2928 } 2929 HashSet<Signature> set2 = new HashSet<Signature>(); 2930 for (Signature sig : s2) { 2931 set2.add(sig); 2932 } 2933 // Make sure s2 contains all signatures in s1. 2934 if (set1.equals(set2)) { 2935 return PackageManager.SIGNATURE_MATCH; 2936 } 2937 return PackageManager.SIGNATURE_NO_MATCH; 2938 } 2939 2940 /** 2941 * If the database version for this type of package (internal storage or 2942 * external storage) is less than the version where package signatures 2943 * were updated, return true. 2944 */ 2945 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2946 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2947 DatabaseVersion.SIGNATURE_END_ENTITY)) 2948 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2949 DatabaseVersion.SIGNATURE_END_ENTITY)); 2950 } 2951 2952 /** 2953 * Used for backward compatibility to make sure any packages with 2954 * certificate chains get upgraded to the new style. {@code existingSigs} 2955 * will be in the old format (since they were stored on disk from before the 2956 * system upgrade) and {@code scannedSigs} will be in the newer format. 2957 */ 2958 private int compareSignaturesCompat(PackageSignatures existingSigs, 2959 PackageParser.Package scannedPkg) { 2960 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2961 return PackageManager.SIGNATURE_NO_MATCH; 2962 } 2963 2964 HashSet<Signature> existingSet = new HashSet<Signature>(); 2965 for (Signature sig : existingSigs.mSignatures) { 2966 existingSet.add(sig); 2967 } 2968 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2969 for (Signature sig : scannedPkg.mSignatures) { 2970 try { 2971 Signature[] chainSignatures = sig.getChainSignatures(); 2972 for (Signature chainSig : chainSignatures) { 2973 scannedCompatSet.add(chainSig); 2974 } 2975 } catch (CertificateEncodingException e) { 2976 scannedCompatSet.add(sig); 2977 } 2978 } 2979 /* 2980 * Make sure the expanded scanned set contains all signatures in the 2981 * existing one. 2982 */ 2983 if (scannedCompatSet.equals(existingSet)) { 2984 // Migrate the old signatures to the new scheme. 2985 existingSigs.assignSignatures(scannedPkg.mSignatures); 2986 // The new KeySets will be re-added later in the scanning process. 2987 mSettings.mKeySetManager.removeAppKeySetData(scannedPkg.packageName); 2988 return PackageManager.SIGNATURE_MATCH; 2989 } 2990 return PackageManager.SIGNATURE_NO_MATCH; 2991 } 2992 2993 @Override 2994 public String[] getPackagesForUid(int uid) { 2995 uid = UserHandle.getAppId(uid); 2996 // reader 2997 synchronized (mPackages) { 2998 Object obj = mSettings.getUserIdLPr(uid); 2999 if (obj instanceof SharedUserSetting) { 3000 final SharedUserSetting sus = (SharedUserSetting) obj; 3001 final int N = sus.packages.size(); 3002 final String[] res = new String[N]; 3003 final Iterator<PackageSetting> it = sus.packages.iterator(); 3004 int i = 0; 3005 while (it.hasNext()) { 3006 res[i++] = it.next().name; 3007 } 3008 return res; 3009 } else if (obj instanceof PackageSetting) { 3010 final PackageSetting ps = (PackageSetting) obj; 3011 return new String[] { ps.name }; 3012 } 3013 } 3014 return null; 3015 } 3016 3017 @Override 3018 public String getNameForUid(int uid) { 3019 // reader 3020 synchronized (mPackages) { 3021 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3022 if (obj instanceof SharedUserSetting) { 3023 final SharedUserSetting sus = (SharedUserSetting) obj; 3024 return sus.name + ":" + sus.userId; 3025 } else if (obj instanceof PackageSetting) { 3026 final PackageSetting ps = (PackageSetting) obj; 3027 return ps.name; 3028 } 3029 } 3030 return null; 3031 } 3032 3033 @Override 3034 public int getUidForSharedUser(String sharedUserName) { 3035 if(sharedUserName == null) { 3036 return -1; 3037 } 3038 // reader 3039 synchronized (mPackages) { 3040 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 3041 if (suid == null) { 3042 return -1; 3043 } 3044 return suid.userId; 3045 } 3046 } 3047 3048 @Override 3049 public int getFlagsForUid(int uid) { 3050 synchronized (mPackages) { 3051 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3052 if (obj instanceof SharedUserSetting) { 3053 final SharedUserSetting sus = (SharedUserSetting) obj; 3054 return sus.pkgFlags; 3055 } else if (obj instanceof PackageSetting) { 3056 final PackageSetting ps = (PackageSetting) obj; 3057 return ps.pkgFlags; 3058 } 3059 } 3060 return 0; 3061 } 3062 3063 @Override 3064 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 3065 int flags, int userId) { 3066 if (!sUserManager.exists(userId)) return null; 3067 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 3068 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3069 return chooseBestActivity(intent, resolvedType, flags, query, userId); 3070 } 3071 3072 @Override 3073 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 3074 IntentFilter filter, int match, ComponentName activity) { 3075 final int userId = UserHandle.getCallingUserId(); 3076 if (DEBUG_PREFERRED) { 3077 Log.v(TAG, "setLastChosenActivity intent=" + intent 3078 + " resolvedType=" + resolvedType 3079 + " flags=" + flags 3080 + " filter=" + filter 3081 + " match=" + match 3082 + " activity=" + activity); 3083 filter.dump(new PrintStreamPrinter(System.out), " "); 3084 } 3085 intent.setComponent(null); 3086 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3087 // Find any earlier preferred or last chosen entries and nuke them 3088 findPreferredActivity(intent, resolvedType, 3089 flags, query, 0, false, true, false, userId); 3090 // Add the new activity as the last chosen for this filter 3091 addPreferredActivityInternal(filter, match, null, activity, false, userId); 3092 } 3093 3094 @Override 3095 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3096 final int userId = UserHandle.getCallingUserId(); 3097 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3098 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3099 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3100 false, false, false, userId); 3101 } 3102 3103 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3104 int flags, List<ResolveInfo> query, int userId) { 3105 if (query != null) { 3106 final int N = query.size(); 3107 if (N == 1) { 3108 return query.get(0); 3109 } else if (N > 1) { 3110 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3111 // If there is more than one activity with the same priority, 3112 // then let the user decide between them. 3113 ResolveInfo r0 = query.get(0); 3114 ResolveInfo r1 = query.get(1); 3115 if (DEBUG_INTENT_MATCHING || debug) { 3116 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3117 + r1.activityInfo.name + "=" + r1.priority); 3118 } 3119 // If the first activity has a higher priority, or a different 3120 // default, then it is always desireable to pick it. 3121 if (r0.priority != r1.priority 3122 || r0.preferredOrder != r1.preferredOrder 3123 || r0.isDefault != r1.isDefault) { 3124 return query.get(0); 3125 } 3126 // If we have saved a preference for a preferred activity for 3127 // this Intent, use that. 3128 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3129 flags, query, r0.priority, true, false, debug, userId); 3130 if (ri != null) { 3131 return ri; 3132 } 3133 if (userId != 0) { 3134 ri = new ResolveInfo(mResolveInfo); 3135 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3136 ri.activityInfo.applicationInfo = new ApplicationInfo( 3137 ri.activityInfo.applicationInfo); 3138 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3139 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3140 return ri; 3141 } 3142 return mResolveInfo; 3143 } 3144 } 3145 return null; 3146 } 3147 3148 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3149 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3150 final int N = query.size(); 3151 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3152 .get(userId); 3153 // Get the list of persistent preferred activities that handle the intent 3154 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3155 List<PersistentPreferredActivity> pprefs = ppir != null 3156 ? ppir.queryIntent(intent, resolvedType, 3157 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3158 : null; 3159 if (pprefs != null && pprefs.size() > 0) { 3160 final int M = pprefs.size(); 3161 for (int i=0; i<M; i++) { 3162 final PersistentPreferredActivity ppa = pprefs.get(i); 3163 if (DEBUG_PREFERRED || debug) { 3164 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3165 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3166 + "\n component=" + ppa.mComponent); 3167 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3168 } 3169 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3170 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3171 if (DEBUG_PREFERRED || debug) { 3172 Slog.v(TAG, "Found persistent preferred activity:"); 3173 if (ai != null) { 3174 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3175 } else { 3176 Slog.v(TAG, " null"); 3177 } 3178 } 3179 if (ai == null) { 3180 // This previously registered persistent preferred activity 3181 // component is no longer known. Ignore it and do NOT remove it. 3182 continue; 3183 } 3184 for (int j=0; j<N; j++) { 3185 final ResolveInfo ri = query.get(j); 3186 if (!ri.activityInfo.applicationInfo.packageName 3187 .equals(ai.applicationInfo.packageName)) { 3188 continue; 3189 } 3190 if (!ri.activityInfo.name.equals(ai.name)) { 3191 continue; 3192 } 3193 // Found a persistent preference that can handle the intent. 3194 if (DEBUG_PREFERRED || debug) { 3195 Slog.v(TAG, "Returning persistent preferred activity: " + 3196 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3197 } 3198 return ri; 3199 } 3200 } 3201 } 3202 return null; 3203 } 3204 3205 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3206 List<ResolveInfo> query, int priority, boolean always, 3207 boolean removeMatches, boolean debug, int userId) { 3208 if (!sUserManager.exists(userId)) return null; 3209 // writer 3210 synchronized (mPackages) { 3211 if (intent.getSelector() != null) { 3212 intent = intent.getSelector(); 3213 } 3214 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3215 3216 // Try to find a matching persistent preferred activity. 3217 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3218 debug, userId); 3219 3220 // If a persistent preferred activity matched, use it. 3221 if (pri != null) { 3222 return pri; 3223 } 3224 3225 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3226 // Get the list of preferred activities that handle the intent 3227 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3228 List<PreferredActivity> prefs = pir != null 3229 ? pir.queryIntent(intent, resolvedType, 3230 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3231 : null; 3232 if (prefs != null && prefs.size() > 0) { 3233 // First figure out how good the original match set is. 3234 // We will only allow preferred activities that came 3235 // from the same match quality. 3236 int match = 0; 3237 3238 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3239 3240 final int N = query.size(); 3241 for (int j=0; j<N; j++) { 3242 final ResolveInfo ri = query.get(j); 3243 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3244 + ": 0x" + Integer.toHexString(match)); 3245 if (ri.match > match) { 3246 match = ri.match; 3247 } 3248 } 3249 3250 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3251 + Integer.toHexString(match)); 3252 3253 match &= IntentFilter.MATCH_CATEGORY_MASK; 3254 final int M = prefs.size(); 3255 for (int i=0; i<M; i++) { 3256 final PreferredActivity pa = prefs.get(i); 3257 if (DEBUG_PREFERRED || debug) { 3258 Slog.v(TAG, "Checking PreferredActivity ds=" 3259 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3260 + "\n component=" + pa.mPref.mComponent); 3261 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3262 } 3263 if (pa.mPref.mMatch != match) { 3264 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3265 + Integer.toHexString(pa.mPref.mMatch)); 3266 continue; 3267 } 3268 // If it's not an "always" type preferred activity and that's what we're 3269 // looking for, skip it. 3270 if (always && !pa.mPref.mAlways) { 3271 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3272 continue; 3273 } 3274 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3275 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3276 if (DEBUG_PREFERRED || debug) { 3277 Slog.v(TAG, "Found preferred activity:"); 3278 if (ai != null) { 3279 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3280 } else { 3281 Slog.v(TAG, " null"); 3282 } 3283 } 3284 if (ai == null) { 3285 // This previously registered preferred activity 3286 // component is no longer known. Most likely an update 3287 // to the app was installed and in the new version this 3288 // component no longer exists. Clean it up by removing 3289 // it from the preferred activities list, and skip it. 3290 Slog.w(TAG, "Removing dangling preferred activity: " 3291 + pa.mPref.mComponent); 3292 pir.removeFilter(pa); 3293 continue; 3294 } 3295 for (int j=0; j<N; j++) { 3296 final ResolveInfo ri = query.get(j); 3297 if (!ri.activityInfo.applicationInfo.packageName 3298 .equals(ai.applicationInfo.packageName)) { 3299 continue; 3300 } 3301 if (!ri.activityInfo.name.equals(ai.name)) { 3302 continue; 3303 } 3304 3305 if (removeMatches) { 3306 pir.removeFilter(pa); 3307 if (DEBUG_PREFERRED) { 3308 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3309 } 3310 break; 3311 } 3312 3313 // Okay we found a previously set preferred or last chosen app. 3314 // If the result set is different from when this 3315 // was created, we need to clear it and re-ask the 3316 // user their preference, if we're looking for an "always" type entry. 3317 if (always && !pa.mPref.sameSet(query, priority)) { 3318 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3319 + intent + " type " + resolvedType); 3320 if (DEBUG_PREFERRED) { 3321 Slog.v(TAG, "Removing preferred activity since set changed " 3322 + pa.mPref.mComponent); 3323 } 3324 pir.removeFilter(pa); 3325 // Re-add the filter as a "last chosen" entry (!always) 3326 PreferredActivity lastChosen = new PreferredActivity( 3327 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3328 pir.addFilter(lastChosen); 3329 mSettings.writePackageRestrictionsLPr(userId); 3330 return null; 3331 } 3332 3333 // Yay! Either the set matched or we're looking for the last chosen 3334 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3335 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3336 mSettings.writePackageRestrictionsLPr(userId); 3337 return ri; 3338 } 3339 } 3340 } 3341 mSettings.writePackageRestrictionsLPr(userId); 3342 } 3343 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3344 return null; 3345 } 3346 3347 /* 3348 * Returns if intent can be forwarded from the userId from to dest 3349 */ 3350 @Override 3351 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3352 int targetUserId) { 3353 mContext.enforceCallingOrSelfPermission( 3354 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3355 List<CrossProfileIntentFilter> matches = 3356 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3357 if (matches != null) { 3358 int size = matches.size(); 3359 for (int i = 0; i < size; i++) { 3360 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3361 } 3362 } 3363 return false; 3364 } 3365 3366 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3367 String resolvedType, int userId) { 3368 CrossProfileIntentResolver cpir = mSettings.mCrossProfileIntentResolvers.get(userId); 3369 if (cpir != null) { 3370 return cpir.queryIntent(intent, resolvedType, false, userId); 3371 } 3372 return null; 3373 } 3374 3375 @Override 3376 public List<ResolveInfo> queryIntentActivities(Intent intent, 3377 String resolvedType, int flags, int userId) { 3378 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3379 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3380 ComponentName comp = intent.getComponent(); 3381 if (comp == null) { 3382 if (intent.getSelector() != null) { 3383 intent = intent.getSelector(); 3384 comp = intent.getComponent(); 3385 } 3386 } 3387 3388 if (comp != null) { 3389 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3390 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3391 if (ai != null) { 3392 final ResolveInfo ri = new ResolveInfo(); 3393 ri.activityInfo = ai; 3394 list.add(ri); 3395 } 3396 return list; 3397 } 3398 3399 // reader 3400 synchronized (mPackages) { 3401 final String pkgName = intent.getPackage(); 3402 if (pkgName == null) { 3403 List<ResolveInfo> result = 3404 mActivities.queryIntent(intent, resolvedType, flags, userId); 3405 // Checking if we can forward the intent to another user 3406 List<CrossProfileIntentFilter> cpifs = 3407 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3408 if (cpifs != null) { 3409 CrossProfileIntentFilter crossProfileIntentFilterWithResult = null; 3410 HashSet<Integer> alreadyTriedUserIds = new HashSet<Integer>(); 3411 for (CrossProfileIntentFilter cpif : cpifs) { 3412 int targetUserId = cpif.getTargetUserId(); 3413 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3414 // match the same an intent. For performance reasons, it is better not to 3415 // run queryIntent twice for the same userId 3416 if (!alreadyTriedUserIds.contains(targetUserId)) { 3417 List<ResolveInfo> resultUser = mActivities.queryIntent(intent, 3418 resolvedType, flags, targetUserId); 3419 if (resultUser != null) { 3420 crossProfileIntentFilterWithResult = cpif; 3421 // As soon as there is a match in another user, we add the 3422 // intentForwarderActivity to the list of ResolveInfo. 3423 break; 3424 } 3425 alreadyTriedUserIds.add(targetUserId); 3426 } 3427 } 3428 if (crossProfileIntentFilterWithResult != null) { 3429 ResolveInfo forwardingResolveInfo = createForwardingResolveInfo( 3430 crossProfileIntentFilterWithResult, userId); 3431 result.add(forwardingResolveInfo); 3432 } 3433 } 3434 return result; 3435 } 3436 final PackageParser.Package pkg = mPackages.get(pkgName); 3437 if (pkg != null) { 3438 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3439 pkg.activities, userId); 3440 } 3441 return new ArrayList<ResolveInfo>(); 3442 } 3443 } 3444 3445 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter cpif, 3446 int sourceUserId) { 3447 String className; 3448 int targetUserId = cpif.getTargetUserId(); 3449 if (targetUserId == UserHandle.USER_OWNER) { 3450 className = FORWARD_INTENT_TO_USER_OWNER; 3451 } else { 3452 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3453 } 3454 ComponentName forwardingActivityComponentName = new ComponentName( 3455 mAndroidApplication.packageName, className); 3456 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3457 sourceUserId); 3458 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3459 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3460 forwardingResolveInfo.priority = 0; 3461 forwardingResolveInfo.preferredOrder = 0; 3462 forwardingResolveInfo.match = 0; 3463 forwardingResolveInfo.isDefault = true; 3464 forwardingResolveInfo.filter = cpif; 3465 return forwardingResolveInfo; 3466 } 3467 3468 @Override 3469 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3470 Intent[] specifics, String[] specificTypes, Intent intent, 3471 String resolvedType, int flags, int userId) { 3472 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3473 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3474 "query intent activity options"); 3475 final String resultsAction = intent.getAction(); 3476 3477 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3478 | PackageManager.GET_RESOLVED_FILTER, userId); 3479 3480 if (DEBUG_INTENT_MATCHING) { 3481 Log.v(TAG, "Query " + intent + ": " + results); 3482 } 3483 3484 int specificsPos = 0; 3485 int N; 3486 3487 // todo: note that the algorithm used here is O(N^2). This 3488 // isn't a problem in our current environment, but if we start running 3489 // into situations where we have more than 5 or 10 matches then this 3490 // should probably be changed to something smarter... 3491 3492 // First we go through and resolve each of the specific items 3493 // that were supplied, taking care of removing any corresponding 3494 // duplicate items in the generic resolve list. 3495 if (specifics != null) { 3496 for (int i=0; i<specifics.length; i++) { 3497 final Intent sintent = specifics[i]; 3498 if (sintent == null) { 3499 continue; 3500 } 3501 3502 if (DEBUG_INTENT_MATCHING) { 3503 Log.v(TAG, "Specific #" + i + ": " + sintent); 3504 } 3505 3506 String action = sintent.getAction(); 3507 if (resultsAction != null && resultsAction.equals(action)) { 3508 // If this action was explicitly requested, then don't 3509 // remove things that have it. 3510 action = null; 3511 } 3512 3513 ResolveInfo ri = null; 3514 ActivityInfo ai = null; 3515 3516 ComponentName comp = sintent.getComponent(); 3517 if (comp == null) { 3518 ri = resolveIntent( 3519 sintent, 3520 specificTypes != null ? specificTypes[i] : null, 3521 flags, userId); 3522 if (ri == null) { 3523 continue; 3524 } 3525 if (ri == mResolveInfo) { 3526 // ACK! Must do something better with this. 3527 } 3528 ai = ri.activityInfo; 3529 comp = new ComponentName(ai.applicationInfo.packageName, 3530 ai.name); 3531 } else { 3532 ai = getActivityInfo(comp, flags, userId); 3533 if (ai == null) { 3534 continue; 3535 } 3536 } 3537 3538 // Look for any generic query activities that are duplicates 3539 // of this specific one, and remove them from the results. 3540 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3541 N = results.size(); 3542 int j; 3543 for (j=specificsPos; j<N; j++) { 3544 ResolveInfo sri = results.get(j); 3545 if ((sri.activityInfo.name.equals(comp.getClassName()) 3546 && sri.activityInfo.applicationInfo.packageName.equals( 3547 comp.getPackageName())) 3548 || (action != null && sri.filter.matchAction(action))) { 3549 results.remove(j); 3550 if (DEBUG_INTENT_MATCHING) Log.v( 3551 TAG, "Removing duplicate item from " + j 3552 + " due to specific " + specificsPos); 3553 if (ri == null) { 3554 ri = sri; 3555 } 3556 j--; 3557 N--; 3558 } 3559 } 3560 3561 // Add this specific item to its proper place. 3562 if (ri == null) { 3563 ri = new ResolveInfo(); 3564 ri.activityInfo = ai; 3565 } 3566 results.add(specificsPos, ri); 3567 ri.specificIndex = i; 3568 specificsPos++; 3569 } 3570 } 3571 3572 // Now we go through the remaining generic results and remove any 3573 // duplicate actions that are found here. 3574 N = results.size(); 3575 for (int i=specificsPos; i<N-1; i++) { 3576 final ResolveInfo rii = results.get(i); 3577 if (rii.filter == null) { 3578 continue; 3579 } 3580 3581 // Iterate over all of the actions of this result's intent 3582 // filter... typically this should be just one. 3583 final Iterator<String> it = rii.filter.actionsIterator(); 3584 if (it == null) { 3585 continue; 3586 } 3587 while (it.hasNext()) { 3588 final String action = it.next(); 3589 if (resultsAction != null && resultsAction.equals(action)) { 3590 // If this action was explicitly requested, then don't 3591 // remove things that have it. 3592 continue; 3593 } 3594 for (int j=i+1; j<N; j++) { 3595 final ResolveInfo rij = results.get(j); 3596 if (rij.filter != null && rij.filter.hasAction(action)) { 3597 results.remove(j); 3598 if (DEBUG_INTENT_MATCHING) Log.v( 3599 TAG, "Removing duplicate item from " + j 3600 + " due to action " + action + " at " + i); 3601 j--; 3602 N--; 3603 } 3604 } 3605 } 3606 3607 // If the caller didn't request filter information, drop it now 3608 // so we don't have to marshall/unmarshall it. 3609 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3610 rii.filter = null; 3611 } 3612 } 3613 3614 // Filter out the caller activity if so requested. 3615 if (caller != null) { 3616 N = results.size(); 3617 for (int i=0; i<N; i++) { 3618 ActivityInfo ainfo = results.get(i).activityInfo; 3619 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3620 && caller.getClassName().equals(ainfo.name)) { 3621 results.remove(i); 3622 break; 3623 } 3624 } 3625 } 3626 3627 // If the caller didn't request filter information, 3628 // drop them now so we don't have to 3629 // marshall/unmarshall it. 3630 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3631 N = results.size(); 3632 for (int i=0; i<N; i++) { 3633 results.get(i).filter = null; 3634 } 3635 } 3636 3637 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3638 return results; 3639 } 3640 3641 @Override 3642 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3643 int userId) { 3644 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3645 ComponentName comp = intent.getComponent(); 3646 if (comp == null) { 3647 if (intent.getSelector() != null) { 3648 intent = intent.getSelector(); 3649 comp = intent.getComponent(); 3650 } 3651 } 3652 if (comp != null) { 3653 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3654 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3655 if (ai != null) { 3656 ResolveInfo ri = new ResolveInfo(); 3657 ri.activityInfo = ai; 3658 list.add(ri); 3659 } 3660 return list; 3661 } 3662 3663 // reader 3664 synchronized (mPackages) { 3665 String pkgName = intent.getPackage(); 3666 if (pkgName == null) { 3667 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3668 } 3669 final PackageParser.Package pkg = mPackages.get(pkgName); 3670 if (pkg != null) { 3671 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3672 userId); 3673 } 3674 return null; 3675 } 3676 } 3677 3678 @Override 3679 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3680 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3681 if (!sUserManager.exists(userId)) return null; 3682 if (query != null) { 3683 if (query.size() >= 1) { 3684 // If there is more than one service with the same priority, 3685 // just arbitrarily pick the first one. 3686 return query.get(0); 3687 } 3688 } 3689 return null; 3690 } 3691 3692 @Override 3693 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3694 int userId) { 3695 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3696 ComponentName comp = intent.getComponent(); 3697 if (comp == null) { 3698 if (intent.getSelector() != null) { 3699 intent = intent.getSelector(); 3700 comp = intent.getComponent(); 3701 } 3702 } 3703 if (comp != null) { 3704 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3705 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3706 if (si != null) { 3707 final ResolveInfo ri = new ResolveInfo(); 3708 ri.serviceInfo = si; 3709 list.add(ri); 3710 } 3711 return list; 3712 } 3713 3714 // reader 3715 synchronized (mPackages) { 3716 String pkgName = intent.getPackage(); 3717 if (pkgName == null) { 3718 return mServices.queryIntent(intent, resolvedType, flags, userId); 3719 } 3720 final PackageParser.Package pkg = mPackages.get(pkgName); 3721 if (pkg != null) { 3722 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3723 userId); 3724 } 3725 return null; 3726 } 3727 } 3728 3729 @Override 3730 public List<ResolveInfo> queryIntentContentProviders( 3731 Intent intent, String resolvedType, int flags, int userId) { 3732 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3733 ComponentName comp = intent.getComponent(); 3734 if (comp == null) { 3735 if (intent.getSelector() != null) { 3736 intent = intent.getSelector(); 3737 comp = intent.getComponent(); 3738 } 3739 } 3740 if (comp != null) { 3741 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3742 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3743 if (pi != null) { 3744 final ResolveInfo ri = new ResolveInfo(); 3745 ri.providerInfo = pi; 3746 list.add(ri); 3747 } 3748 return list; 3749 } 3750 3751 // reader 3752 synchronized (mPackages) { 3753 String pkgName = intent.getPackage(); 3754 if (pkgName == null) { 3755 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3756 } 3757 final PackageParser.Package pkg = mPackages.get(pkgName); 3758 if (pkg != null) { 3759 return mProviders.queryIntentForPackage( 3760 intent, resolvedType, flags, pkg.providers, userId); 3761 } 3762 return null; 3763 } 3764 } 3765 3766 @Override 3767 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3768 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3769 3770 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3771 3772 // writer 3773 synchronized (mPackages) { 3774 ArrayList<PackageInfo> list; 3775 if (listUninstalled) { 3776 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3777 for (PackageSetting ps : mSettings.mPackages.values()) { 3778 PackageInfo pi; 3779 if (ps.pkg != null) { 3780 pi = generatePackageInfo(ps.pkg, flags, userId); 3781 } else { 3782 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3783 } 3784 if (pi != null) { 3785 list.add(pi); 3786 } 3787 } 3788 } else { 3789 list = new ArrayList<PackageInfo>(mPackages.size()); 3790 for (PackageParser.Package p : mPackages.values()) { 3791 PackageInfo pi = generatePackageInfo(p, flags, userId); 3792 if (pi != null) { 3793 list.add(pi); 3794 } 3795 } 3796 } 3797 3798 return new ParceledListSlice<PackageInfo>(list); 3799 } 3800 } 3801 3802 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3803 String[] permissions, boolean[] tmp, int flags, int userId) { 3804 int numMatch = 0; 3805 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3806 for (int i=0; i<permissions.length; i++) { 3807 if (gp.grantedPermissions.contains(permissions[i])) { 3808 tmp[i] = true; 3809 numMatch++; 3810 } else { 3811 tmp[i] = false; 3812 } 3813 } 3814 if (numMatch == 0) { 3815 return; 3816 } 3817 PackageInfo pi; 3818 if (ps.pkg != null) { 3819 pi = generatePackageInfo(ps.pkg, flags, userId); 3820 } else { 3821 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3822 } 3823 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3824 if (numMatch == permissions.length) { 3825 pi.requestedPermissions = permissions; 3826 } else { 3827 pi.requestedPermissions = new String[numMatch]; 3828 numMatch = 0; 3829 for (int i=0; i<permissions.length; i++) { 3830 if (tmp[i]) { 3831 pi.requestedPermissions[numMatch] = permissions[i]; 3832 numMatch++; 3833 } 3834 } 3835 } 3836 } 3837 list.add(pi); 3838 } 3839 3840 @Override 3841 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3842 String[] permissions, int flags, int userId) { 3843 if (!sUserManager.exists(userId)) return null; 3844 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3845 3846 // writer 3847 synchronized (mPackages) { 3848 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3849 boolean[] tmpBools = new boolean[permissions.length]; 3850 if (listUninstalled) { 3851 for (PackageSetting ps : mSettings.mPackages.values()) { 3852 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3853 } 3854 } else { 3855 for (PackageParser.Package pkg : mPackages.values()) { 3856 PackageSetting ps = (PackageSetting)pkg.mExtras; 3857 if (ps != null) { 3858 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3859 userId); 3860 } 3861 } 3862 } 3863 3864 return new ParceledListSlice<PackageInfo>(list); 3865 } 3866 } 3867 3868 @Override 3869 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3870 if (!sUserManager.exists(userId)) return null; 3871 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3872 3873 // writer 3874 synchronized (mPackages) { 3875 ArrayList<ApplicationInfo> list; 3876 if (listUninstalled) { 3877 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3878 for (PackageSetting ps : mSettings.mPackages.values()) { 3879 ApplicationInfo ai; 3880 if (ps.pkg != null) { 3881 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3882 ps.readUserState(userId), userId); 3883 } else { 3884 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3885 } 3886 if (ai != null) { 3887 list.add(ai); 3888 } 3889 } 3890 } else { 3891 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3892 for (PackageParser.Package p : mPackages.values()) { 3893 if (p.mExtras != null) { 3894 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3895 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3896 if (ai != null) { 3897 list.add(ai); 3898 } 3899 } 3900 } 3901 } 3902 3903 return new ParceledListSlice<ApplicationInfo>(list); 3904 } 3905 } 3906 3907 public List<ApplicationInfo> getPersistentApplications(int flags) { 3908 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3909 3910 // reader 3911 synchronized (mPackages) { 3912 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3913 final int userId = UserHandle.getCallingUserId(); 3914 while (i.hasNext()) { 3915 final PackageParser.Package p = i.next(); 3916 if (p.applicationInfo != null 3917 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3918 && (!mSafeMode || isSystemApp(p))) { 3919 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3920 if (ps != null) { 3921 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3922 ps.readUserState(userId), userId); 3923 if (ai != null) { 3924 finalList.add(ai); 3925 } 3926 } 3927 } 3928 } 3929 } 3930 3931 return finalList; 3932 } 3933 3934 @Override 3935 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3936 if (!sUserManager.exists(userId)) return null; 3937 // reader 3938 synchronized (mPackages) { 3939 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3940 PackageSetting ps = provider != null 3941 ? mSettings.mPackages.get(provider.owner.packageName) 3942 : null; 3943 return ps != null 3944 && mSettings.isEnabledLPr(provider.info, flags, userId) 3945 && (!mSafeMode || (provider.info.applicationInfo.flags 3946 &ApplicationInfo.FLAG_SYSTEM) != 0) 3947 ? PackageParser.generateProviderInfo(provider, flags, 3948 ps.readUserState(userId), userId) 3949 : null; 3950 } 3951 } 3952 3953 /** 3954 * @deprecated 3955 */ 3956 @Deprecated 3957 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3958 // reader 3959 synchronized (mPackages) { 3960 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3961 .entrySet().iterator(); 3962 final int userId = UserHandle.getCallingUserId(); 3963 while (i.hasNext()) { 3964 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3965 PackageParser.Provider p = entry.getValue(); 3966 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3967 3968 if (ps != null && p.syncable 3969 && (!mSafeMode || (p.info.applicationInfo.flags 3970 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3971 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3972 ps.readUserState(userId), userId); 3973 if (info != null) { 3974 outNames.add(entry.getKey()); 3975 outInfo.add(info); 3976 } 3977 } 3978 } 3979 } 3980 } 3981 3982 @Override 3983 public List<ProviderInfo> queryContentProviders(String processName, 3984 int uid, int flags) { 3985 ArrayList<ProviderInfo> finalList = null; 3986 // reader 3987 synchronized (mPackages) { 3988 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3989 final int userId = processName != null ? 3990 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3991 while (i.hasNext()) { 3992 final PackageParser.Provider p = i.next(); 3993 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3994 if (ps != null && p.info.authority != null 3995 && (processName == null 3996 || (p.info.processName.equals(processName) 3997 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3998 && mSettings.isEnabledLPr(p.info, flags, userId) 3999 && (!mSafeMode 4000 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 4001 if (finalList == null) { 4002 finalList = new ArrayList<ProviderInfo>(3); 4003 } 4004 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 4005 ps.readUserState(userId), userId); 4006 if (info != null) { 4007 finalList.add(info); 4008 } 4009 } 4010 } 4011 } 4012 4013 if (finalList != null) { 4014 Collections.sort(finalList, mProviderInitOrderSorter); 4015 } 4016 4017 return finalList; 4018 } 4019 4020 @Override 4021 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 4022 int flags) { 4023 // reader 4024 synchronized (mPackages) { 4025 final PackageParser.Instrumentation i = mInstrumentation.get(name); 4026 return PackageParser.generateInstrumentationInfo(i, flags); 4027 } 4028 } 4029 4030 @Override 4031 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4032 int flags) { 4033 ArrayList<InstrumentationInfo> finalList = 4034 new ArrayList<InstrumentationInfo>(); 4035 4036 // reader 4037 synchronized (mPackages) { 4038 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4039 while (i.hasNext()) { 4040 final PackageParser.Instrumentation p = i.next(); 4041 if (targetPackage == null 4042 || targetPackage.equals(p.info.targetPackage)) { 4043 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4044 flags); 4045 if (ii != null) { 4046 finalList.add(ii); 4047 } 4048 } 4049 } 4050 } 4051 4052 return finalList; 4053 } 4054 4055 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4056 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4057 if (overlays == null) { 4058 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4059 return; 4060 } 4061 for (PackageParser.Package opkg : overlays.values()) { 4062 // Not much to do if idmap fails: we already logged the error 4063 // and we certainly don't want to abort installation of pkg simply 4064 // because an overlay didn't fit properly. For these reasons, 4065 // ignore the return value of createIdmapForPackagePairLI. 4066 createIdmapForPackagePairLI(pkg, opkg); 4067 } 4068 } 4069 4070 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4071 PackageParser.Package opkg) { 4072 if (!opkg.mTrustedOverlay) { 4073 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 4074 opkg.mScanPath + ": overlay not trusted"); 4075 return false; 4076 } 4077 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4078 if (overlaySet == null) { 4079 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 4080 opkg.mScanPath + " but target package has no known overlays"); 4081 return false; 4082 } 4083 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4084 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 4085 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 4086 return false; 4087 } 4088 PackageParser.Package[] overlayArray = 4089 overlaySet.values().toArray(new PackageParser.Package[0]); 4090 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4091 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4092 return p1.mOverlayPriority - p2.mOverlayPriority; 4093 } 4094 }; 4095 Arrays.sort(overlayArray, cmp); 4096 4097 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4098 int i = 0; 4099 for (PackageParser.Package p : overlayArray) { 4100 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 4101 } 4102 return true; 4103 } 4104 4105 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 4106 String[] files = dir.list(); 4107 if (files == null) { 4108 Log.d(TAG, "No files in app dir " + dir); 4109 return; 4110 } 4111 4112 if (DEBUG_PACKAGE_SCANNING) { 4113 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 4114 + " flags=0x" + Integer.toHexString(flags)); 4115 } 4116 4117 int i; 4118 for (i=0; i<files.length; i++) { 4119 File file = new File(dir, files[i]); 4120 if (!isPackageFilename(files[i])) { 4121 // Ignore entries which are not apk's 4122 continue; 4123 } 4124 PackageParser.Package pkg = scanPackageLI(file, 4125 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null, null); 4126 // Don't mess around with apps in system partition. 4127 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4128 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 4129 // Delete the apk 4130 Slog.w(TAG, "Cleaning up failed install of " + file); 4131 file.delete(); 4132 } 4133 } 4134 } 4135 4136 private static File getSettingsProblemFile() { 4137 File dataDir = Environment.getDataDirectory(); 4138 File systemDir = new File(dataDir, "system"); 4139 File fname = new File(systemDir, "uiderrors.txt"); 4140 return fname; 4141 } 4142 4143 static void reportSettingsProblem(int priority, String msg) { 4144 try { 4145 File fname = getSettingsProblemFile(); 4146 FileOutputStream out = new FileOutputStream(fname, true); 4147 PrintWriter pw = new FastPrintWriter(out); 4148 SimpleDateFormat formatter = new SimpleDateFormat(); 4149 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4150 pw.println(dateString + ": " + msg); 4151 pw.close(); 4152 FileUtils.setPermissions( 4153 fname.toString(), 4154 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4155 -1, -1); 4156 } catch (java.io.IOException e) { 4157 } 4158 Slog.println(priority, TAG, msg); 4159 } 4160 4161 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 4162 PackageParser.Package pkg, File srcFile, int parseFlags) { 4163 if (ps != null 4164 && ps.codePath.equals(srcFile) 4165 && ps.timeStamp == srcFile.lastModified() 4166 && !isCompatSignatureUpdateNeeded(pkg)) { 4167 if (ps.signatures.mSignatures != null 4168 && ps.signatures.mSignatures.length != 0) { 4169 // Optimization: reuse the existing cached certificates 4170 // if the package appears to be unchanged. 4171 pkg.mSignatures = ps.signatures.mSignatures; 4172 return true; 4173 } 4174 4175 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 4176 } else { 4177 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4178 } 4179 4180 if (!pp.collectCertificates(pkg, parseFlags)) { 4181 mLastScanError = pp.getParseError(); 4182 return false; 4183 } 4184 return true; 4185 } 4186 4187 /* 4188 * Scan a package and return the newly parsed package. 4189 * Returns null in case of errors and the error code is stored in mLastScanError 4190 */ 4191 private PackageParser.Package scanPackageLI(File scanFile, 4192 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4193 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 4194 String scanPath = scanFile.getPath(); 4195 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 4196 parseFlags |= mDefParseFlags; 4197 PackageParser pp = new PackageParser(scanPath); 4198 pp.setSeparateProcesses(mSeparateProcesses); 4199 pp.setOnlyCoreApps(mOnlyCore); 4200 final PackageParser.Package pkg = pp.parsePackage(scanFile, 4201 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 4202 4203 if (pkg == null) { 4204 mLastScanError = pp.getParseError(); 4205 return null; 4206 } 4207 4208 PackageSetting ps = null; 4209 PackageSetting updatedPkg; 4210 // reader 4211 synchronized (mPackages) { 4212 // Look to see if we already know about this package. 4213 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4214 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4215 // This package has been renamed to its original name. Let's 4216 // use that. 4217 ps = mSettings.peekPackageLPr(oldName); 4218 } 4219 // If there was no original package, see one for the real package name. 4220 if (ps == null) { 4221 ps = mSettings.peekPackageLPr(pkg.packageName); 4222 } 4223 // Check to see if this package could be hiding/updating a system 4224 // package. Must look for it either under the original or real 4225 // package name depending on our state. 4226 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4227 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4228 } 4229 boolean updatedPkgBetter = false; 4230 // First check if this is a system package that may involve an update 4231 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4232 if (ps != null && !ps.codePath.equals(scanFile)) { 4233 // The path has changed from what was last scanned... check the 4234 // version of the new path against what we have stored to determine 4235 // what to do. 4236 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4237 if (pkg.mVersionCode < ps.versionCode) { 4238 // The system package has been updated and the code path does not match 4239 // Ignore entry. Skip it. 4240 Log.i(TAG, "Package " + ps.name + " at " + scanFile 4241 + " ignored: updated version " + ps.versionCode 4242 + " better than this " + pkg.mVersionCode); 4243 if (!updatedPkg.codePath.equals(scanFile)) { 4244 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4245 + ps.name + " changing from " + updatedPkg.codePathString 4246 + " to " + scanFile); 4247 updatedPkg.codePath = scanFile; 4248 updatedPkg.codePathString = scanFile.toString(); 4249 // This is the point at which we know that the system-disk APK 4250 // for this package has moved during a reboot (e.g. due to an OTA), 4251 // so we need to reevaluate it for privilege policy. 4252 if (locationIsPrivileged(scanFile)) { 4253 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4254 } 4255 } 4256 updatedPkg.pkg = pkg; 4257 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4258 return null; 4259 } else { 4260 // The current app on the system partition is better than 4261 // what we have updated to on the data partition; switch 4262 // back to the system partition version. 4263 // At this point, its safely assumed that package installation for 4264 // apps in system partition will go through. If not there won't be a working 4265 // version of the app 4266 // writer 4267 synchronized (mPackages) { 4268 // Just remove the loaded entries from package lists. 4269 mPackages.remove(ps.name); 4270 } 4271 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 4272 + "reverting from " + ps.codePathString 4273 + ": new version " + pkg.mVersionCode 4274 + " better than installed " + ps.versionCode); 4275 4276 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4277 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4278 getAppInstructionSetFromSettings(ps)); 4279 synchronized (mInstallLock) { 4280 args.cleanUpResourcesLI(); 4281 } 4282 synchronized (mPackages) { 4283 mSettings.enableSystemPackageLPw(ps.name); 4284 } 4285 updatedPkgBetter = true; 4286 } 4287 } 4288 } 4289 4290 if (updatedPkg != null) { 4291 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4292 // initially 4293 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4294 4295 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4296 // flag set initially 4297 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4298 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4299 } 4300 } 4301 // Verify certificates against what was last scanned 4302 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 4303 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 4304 return null; 4305 } 4306 4307 /* 4308 * A new system app appeared, but we already had a non-system one of the 4309 * same name installed earlier. 4310 */ 4311 boolean shouldHideSystemApp = false; 4312 if (updatedPkg == null && ps != null 4313 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4314 /* 4315 * Check to make sure the signatures match first. If they don't, 4316 * wipe the installed application and its data. 4317 */ 4318 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4319 != PackageManager.SIGNATURE_MATCH) { 4320 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 4321 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4322 ps = null; 4323 } else { 4324 /* 4325 * If the newly-added system app is an older version than the 4326 * already installed version, hide it. It will be scanned later 4327 * and re-added like an update. 4328 */ 4329 if (pkg.mVersionCode < ps.versionCode) { 4330 shouldHideSystemApp = true; 4331 } else { 4332 /* 4333 * The newly found system app is a newer version that the 4334 * one previously installed. Simply remove the 4335 * already-installed application and replace it with our own 4336 * while keeping the application data. 4337 */ 4338 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 4339 + ps.codePathString + ": new version " + pkg.mVersionCode 4340 + " better than installed " + ps.versionCode); 4341 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 4342 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString, 4343 getAppInstructionSetFromSettings(ps)); 4344 synchronized (mInstallLock) { 4345 args.cleanUpResourcesLI(); 4346 } 4347 } 4348 } 4349 } 4350 4351 // The apk is forward locked (not public) if its code and resources 4352 // are kept in different files. (except for app in either system or 4353 // vendor path). 4354 // TODO grab this value from PackageSettings 4355 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4356 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4357 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4358 } 4359 } 4360 4361 String codePath = null; 4362 String resPath = null; 4363 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4364 if (ps != null && ps.resourcePathString != null) { 4365 resPath = ps.resourcePathString; 4366 } else { 4367 // Should not happen at all. Just log an error. 4368 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4369 } 4370 } else { 4371 resPath = pkg.mScanPath; 4372 } 4373 4374 codePath = pkg.mScanPath; 4375 // Set application objects path explicitly. 4376 setApplicationInfoPaths(pkg, codePath, resPath); 4377 // Note that we invoke the following method only if we are about to unpack an application 4378 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 4379 | SCAN_UPDATE_SIGNATURE, currentTime, user, abiOverride); 4380 4381 /* 4382 * If the system app should be overridden by a previously installed 4383 * data, hide the system app now and let the /data/app scan pick it up 4384 * again. 4385 */ 4386 if (shouldHideSystemApp) { 4387 synchronized (mPackages) { 4388 /* 4389 * We have to grant systems permissions before we hide, because 4390 * grantPermissions will assume the package update is trying to 4391 * expand its permissions. 4392 */ 4393 grantPermissionsLPw(pkg, true); 4394 mSettings.disableSystemPackageLPw(pkg.packageName); 4395 } 4396 } 4397 4398 return scannedPkg; 4399 } 4400 4401 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 4402 String destResPath) { 4403 pkg.mPath = pkg.mScanPath = destCodePath; 4404 pkg.applicationInfo.sourceDir = destCodePath; 4405 pkg.applicationInfo.publicSourceDir = destResPath; 4406 } 4407 4408 private static String fixProcessName(String defProcessName, 4409 String processName, int uid) { 4410 if (processName == null) { 4411 return defProcessName; 4412 } 4413 return processName; 4414 } 4415 4416 private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { 4417 if (pkgSetting.signatures.mSignatures != null) { 4418 // Already existing package. Make sure signatures match 4419 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4420 == PackageManager.SIGNATURE_MATCH; 4421 if (!match) { 4422 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4423 == PackageManager.SIGNATURE_MATCH; 4424 } 4425 if (!match) { 4426 Slog.e(TAG, "Package " + pkg.packageName 4427 + " signatures do not match the previously installed version; ignoring!"); 4428 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 4429 return false; 4430 } 4431 } 4432 // Check for shared user signatures 4433 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4434 // Already existing package. Make sure signatures match 4435 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4436 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4437 if (!match) { 4438 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4439 == PackageManager.SIGNATURE_MATCH; 4440 } 4441 if (!match) { 4442 Slog.e(TAG, "Package " + pkg.packageName 4443 + " has no signatures that match those in shared user " 4444 + pkgSetting.sharedUser.name + "; ignoring!"); 4445 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4446 return false; 4447 } 4448 } 4449 return true; 4450 } 4451 4452 /** 4453 * Enforces that only the system UID or root's UID can call a method exposed 4454 * via Binder. 4455 * 4456 * @param message used as message if SecurityException is thrown 4457 * @throws SecurityException if the caller is not system or root 4458 */ 4459 private static final void enforceSystemOrRoot(String message) { 4460 final int uid = Binder.getCallingUid(); 4461 if (uid != Process.SYSTEM_UID && uid != 0) { 4462 throw new SecurityException(message); 4463 } 4464 } 4465 4466 @Override 4467 public void performBootDexOpt() { 4468 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4469 4470 final HashSet<PackageParser.Package> pkgs; 4471 synchronized (mPackages) { 4472 pkgs = mDeferredDexOpt; 4473 mDeferredDexOpt = null; 4474 } 4475 4476 if (pkgs != null) { 4477 // Filter out packages that aren't recently used. 4478 // 4479 // The exception is first boot of a non-eng device, which 4480 // should do a full dexopt. 4481 boolean eng = "eng".equals(SystemProperties.get("ro.build.type")); 4482 if (eng || !isFirstBoot()) { 4483 // TODO: add a property to control this? 4484 long dexOptLRUThresholdInMinutes; 4485 if (eng) { 4486 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4487 } else { 4488 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4489 } 4490 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4491 4492 int total = pkgs.size(); 4493 int skipped = 0; 4494 long now = System.currentTimeMillis(); 4495 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4496 PackageParser.Package pkg = i.next(); 4497 long then = pkg.mLastPackageUsageTimeInMills; 4498 if (then + dexOptLRUThresholdInMills < now) { 4499 if (DEBUG_DEXOPT) { 4500 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4501 ((then == 0) ? "never" : new Date(then))); 4502 } 4503 i.remove(); 4504 skipped++; 4505 } 4506 } 4507 if (DEBUG_DEXOPT) { 4508 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4509 } 4510 } 4511 4512 int i = 0; 4513 for (PackageParser.Package pkg : pkgs) { 4514 i++; 4515 if (DEBUG_DEXOPT) { 4516 Log.i(TAG, "Optimizing app " + i + " of " + pkgs.size() 4517 + ": " + pkg.packageName); 4518 } 4519 if (!isFirstBoot()) { 4520 try { 4521 ActivityManagerNative.getDefault().showBootMessage( 4522 mContext.getResources().getString( 4523 R.string.android_upgrading_apk, 4524 i, pkgs.size()), true); 4525 } catch (RemoteException e) { 4526 } 4527 } 4528 PackageParser.Package p = pkg; 4529 synchronized (mInstallLock) { 4530 if (p.mDexOptNeeded) { 4531 performDexOptLI(p, false /* force dex */, false /* defer */, 4532 true /* include dependencies */); 4533 } 4534 } 4535 } 4536 } 4537 } 4538 4539 @Override 4540 public boolean performDexOpt(String packageName) { 4541 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4542 return performDexOpt(packageName, true); 4543 } 4544 4545 public boolean performDexOpt(String packageName, boolean updateUsage) { 4546 4547 PackageParser.Package p; 4548 synchronized (mPackages) { 4549 p = mPackages.get(packageName); 4550 if (p == null) { 4551 return false; 4552 } 4553 if (updateUsage) { 4554 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4555 } 4556 mPackageUsage.write(false); 4557 if (!p.mDexOptNeeded) { 4558 return false; 4559 } 4560 } 4561 4562 synchronized (mInstallLock) { 4563 return performDexOptLI(p, false /* force dex */, false /* defer */, 4564 true /* include dependencies */) == DEX_OPT_PERFORMED; 4565 } 4566 } 4567 4568 public HashSet<String> getPackagesThatNeedDexOpt() { 4569 HashSet<String> pkgs = null; 4570 synchronized (mPackages) { 4571 for (PackageParser.Package p : mPackages.values()) { 4572 if (DEBUG_DEXOPT) { 4573 Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded); 4574 } 4575 if (!p.mDexOptNeeded) { 4576 continue; 4577 } 4578 if (pkgs == null) { 4579 pkgs = new HashSet<String>(); 4580 } 4581 pkgs.add(p.packageName); 4582 } 4583 } 4584 return pkgs; 4585 } 4586 4587 public void shutdown() { 4588 mPackageUsage.write(true); 4589 } 4590 4591 private void performDexOptLibsLI(ArrayList<String> libs, String instructionSet, 4592 boolean forceDex, boolean defer, HashSet<String> done) { 4593 for (int i=0; i<libs.size(); i++) { 4594 PackageParser.Package libPkg; 4595 String libName; 4596 synchronized (mPackages) { 4597 libName = libs.get(i); 4598 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4599 if (lib != null && lib.apk != null) { 4600 libPkg = mPackages.get(lib.apk); 4601 } else { 4602 libPkg = null; 4603 } 4604 } 4605 if (libPkg != null && !done.contains(libName)) { 4606 performDexOptLI(libPkg, instructionSet, forceDex, defer, done); 4607 } 4608 } 4609 } 4610 4611 static final int DEX_OPT_SKIPPED = 0; 4612 static final int DEX_OPT_PERFORMED = 1; 4613 static final int DEX_OPT_DEFERRED = 2; 4614 static final int DEX_OPT_FAILED = -1; 4615 4616 private int performDexOptLI(PackageParser.Package pkg, String instructionSetOverride, 4617 boolean forceDex, boolean defer, HashSet<String> done) { 4618 final String instructionSet = instructionSetOverride != null ? 4619 instructionSetOverride : getAppInstructionSet(pkg.applicationInfo); 4620 4621 if (done != null) { 4622 done.add(pkg.packageName); 4623 if (pkg.usesLibraries != null) { 4624 performDexOptLibsLI(pkg.usesLibraries, instructionSet, forceDex, defer, done); 4625 } 4626 if (pkg.usesOptionalLibraries != null) { 4627 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSet, forceDex, defer, done); 4628 } 4629 } 4630 4631 boolean performed = false; 4632 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4633 String path = pkg.mScanPath; 4634 try { 4635 boolean isDexOptNeededInternal = DexFile.isDexOptNeededInternal(path, 4636 pkg.packageName, 4637 instructionSet, 4638 defer); 4639 // There are three basic cases here: 4640 // 1.) we need to dexopt, either because we are forced or it is needed 4641 // 2.) we are defering a needed dexopt 4642 // 3.) we are skipping an unneeded dexopt 4643 if (forceDex || (!defer && isDexOptNeededInternal)) { 4644 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4645 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4646 int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4647 pkg.packageName, instructionSet); 4648 // Note that we ran dexopt, since rerunning will 4649 // probably just result in an error again. 4650 pkg.mDexOptNeeded = false; 4651 if (ret < 0) { 4652 return DEX_OPT_FAILED; 4653 } 4654 return DEX_OPT_PERFORMED; 4655 } 4656 if (defer && isDexOptNeededInternal) { 4657 if (mDeferredDexOpt == null) { 4658 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4659 } 4660 mDeferredDexOpt.add(pkg); 4661 return DEX_OPT_DEFERRED; 4662 } 4663 pkg.mDexOptNeeded = false; 4664 return DEX_OPT_SKIPPED; 4665 } catch (FileNotFoundException e) { 4666 Slog.w(TAG, "Apk not found for dexopt: " + path); 4667 return DEX_OPT_FAILED; 4668 } catch (IOException e) { 4669 Slog.w(TAG, "IOException reading apk: " + path, e); 4670 return DEX_OPT_FAILED; 4671 } catch (StaleDexCacheError e) { 4672 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4673 return DEX_OPT_FAILED; 4674 } catch (Exception e) { 4675 Slog.w(TAG, "Exception when doing dexopt : ", e); 4676 return DEX_OPT_FAILED; 4677 } 4678 } 4679 return DEX_OPT_SKIPPED; 4680 } 4681 4682 private String getAppInstructionSet(ApplicationInfo info) { 4683 String instructionSet = getPreferredInstructionSet(); 4684 4685 if (info.cpuAbi != null) { 4686 instructionSet = VMRuntime.getInstructionSet(info.cpuAbi); 4687 } 4688 4689 return instructionSet; 4690 } 4691 4692 private String getAppInstructionSetFromSettings(PackageSetting ps) { 4693 String instructionSet = getPreferredInstructionSet(); 4694 4695 if (ps.cpuAbiString != null) { 4696 instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 4697 } 4698 4699 return instructionSet; 4700 } 4701 4702 private static String getPreferredInstructionSet() { 4703 if (sPreferredInstructionSet == null) { 4704 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4705 } 4706 4707 return sPreferredInstructionSet; 4708 } 4709 4710 private static List<String> getAllInstructionSets() { 4711 final String[] allAbis = Build.SUPPORTED_ABIS; 4712 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4713 4714 for (String abi : allAbis) { 4715 final String instructionSet = VMRuntime.getInstructionSet(abi); 4716 if (!allInstructionSets.contains(instructionSet)) { 4717 allInstructionSets.add(instructionSet); 4718 } 4719 } 4720 4721 return allInstructionSets; 4722 } 4723 4724 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4725 boolean inclDependencies) { 4726 HashSet<String> done; 4727 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4728 done = new HashSet<String>(); 4729 done.add(pkg.packageName); 4730 } else { 4731 done = null; 4732 } 4733 return performDexOptLI(pkg, null /* instruction set override */, forceDex, defer, done); 4734 } 4735 4736 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4737 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4738 Slog.w(TAG, "Unable to update from " + oldPkg.name 4739 + " to " + newPkg.packageName 4740 + ": old package not in system partition"); 4741 return false; 4742 } else if (mPackages.get(oldPkg.name) != null) { 4743 Slog.w(TAG, "Unable to update from " + oldPkg.name 4744 + " to " + newPkg.packageName 4745 + ": old package still exists"); 4746 return false; 4747 } 4748 return true; 4749 } 4750 4751 File getDataPathForUser(int userId) { 4752 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4753 } 4754 4755 private File getDataPathForPackage(String packageName, int userId) { 4756 /* 4757 * Until we fully support multiple users, return the directory we 4758 * previously would have. The PackageManagerTests will need to be 4759 * revised when this is changed back.. 4760 */ 4761 if (userId == 0) { 4762 return new File(mAppDataDir, packageName); 4763 } else { 4764 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4765 + File.separator + packageName); 4766 } 4767 } 4768 4769 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4770 int[] users = sUserManager.getUserIds(); 4771 int res = mInstaller.install(packageName, uid, uid, seinfo); 4772 if (res < 0) { 4773 return res; 4774 } 4775 for (int user : users) { 4776 if (user != 0) { 4777 res = mInstaller.createUserData(packageName, 4778 UserHandle.getUid(user, uid), user, seinfo); 4779 if (res < 0) { 4780 return res; 4781 } 4782 } 4783 } 4784 return res; 4785 } 4786 4787 private int removeDataDirsLI(String packageName) { 4788 int[] users = sUserManager.getUserIds(); 4789 int res = 0; 4790 for (int user : users) { 4791 int resInner = mInstaller.remove(packageName, user); 4792 if (resInner < 0) { 4793 res = resInner; 4794 } 4795 } 4796 4797 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4798 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4799 if (!nativeLibraryFile.delete()) { 4800 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4801 } 4802 4803 return res; 4804 } 4805 4806 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 4807 PackageParser.Package changingLib) { 4808 if (file.path != null) { 4809 usesLibraryFiles.add(file.path); 4810 return; 4811 } 4812 PackageParser.Package p = mPackages.get(file.apk); 4813 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4814 // If we are doing this while in the middle of updating a library apk, 4815 // then we need to make sure to use that new apk for determining the 4816 // dependencies here. (We haven't yet finished committing the new apk 4817 // to the package manager state.) 4818 if (p == null || p.packageName.equals(changingLib.packageName)) { 4819 p = changingLib; 4820 } 4821 } 4822 if (p != null) { 4823 usesLibraryFiles.add(p.mPath); 4824 } 4825 } 4826 4827 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4828 PackageParser.Package changingLib) { 4829 // We might be upgrading from a version of the platform that did not 4830 // provide per-package native library directories for system apps. 4831 // Fix that up here. 4832 if (isSystemApp(pkg)) { 4833 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4834 setInternalAppNativeLibraryPath(pkg, ps); 4835 } 4836 4837 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4838 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 4839 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4840 for (int i=0; i<N; i++) { 4841 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4842 if (file == null) { 4843 Slog.e(TAG, "Package " + pkg.packageName 4844 + " requires unavailable shared library " 4845 + pkg.usesLibraries.get(i) + "; failing!"); 4846 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4847 return false; 4848 } 4849 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4850 } 4851 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4852 for (int i=0; i<N; i++) { 4853 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4854 if (file == null) { 4855 Slog.w(TAG, "Package " + pkg.packageName 4856 + " desires unavailable shared library " 4857 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4858 } else { 4859 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 4860 } 4861 } 4862 N = usesLibraryFiles.size(); 4863 if (N > 0) { 4864 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 4865 } else { 4866 pkg.usesLibraryFiles = null; 4867 } 4868 } 4869 return true; 4870 } 4871 4872 private static boolean hasString(List<String> list, List<String> which) { 4873 if (list == null) { 4874 return false; 4875 } 4876 for (int i=list.size()-1; i>=0; i--) { 4877 for (int j=which.size()-1; j>=0; j--) { 4878 if (which.get(j).equals(list.get(i))) { 4879 return true; 4880 } 4881 } 4882 } 4883 return false; 4884 } 4885 4886 private void updateAllSharedLibrariesLPw() { 4887 for (PackageParser.Package pkg : mPackages.values()) { 4888 updateSharedLibrariesLPw(pkg, null); 4889 } 4890 } 4891 4892 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4893 PackageParser.Package changingPkg) { 4894 ArrayList<PackageParser.Package> res = null; 4895 for (PackageParser.Package pkg : mPackages.values()) { 4896 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4897 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4898 if (res == null) { 4899 res = new ArrayList<PackageParser.Package>(); 4900 } 4901 res.add(pkg); 4902 updateSharedLibrariesLPw(pkg, changingPkg); 4903 } 4904 } 4905 return res; 4906 } 4907 4908 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4909 int parseFlags, int scanMode, long currentTime, UserHandle user, String abiOverride) { 4910 File scanFile = new File(pkg.mScanPath); 4911 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4912 pkg.applicationInfo.publicSourceDir == null) { 4913 // Bail out. The resource and code paths haven't been set. 4914 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4915 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4916 return null; 4917 } 4918 4919 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4920 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4921 } 4922 4923 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4924 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4925 } 4926 4927 if (mCustomResolverComponentName != null && 4928 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4929 setUpCustomResolverActivity(pkg); 4930 } 4931 4932 if (pkg.packageName.equals("android")) { 4933 synchronized (mPackages) { 4934 if (mAndroidApplication != null) { 4935 Slog.w(TAG, "*************************************************"); 4936 Slog.w(TAG, "Core android package being redefined. Skipping."); 4937 Slog.w(TAG, " file=" + scanFile); 4938 Slog.w(TAG, "*************************************************"); 4939 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4940 return null; 4941 } 4942 4943 // Set up information for our fall-back user intent resolution activity. 4944 mPlatformPackage = pkg; 4945 pkg.mVersionCode = mSdkVersion; 4946 mAndroidApplication = pkg.applicationInfo; 4947 4948 if (!mResolverReplaced) { 4949 mResolveActivity.applicationInfo = mAndroidApplication; 4950 mResolveActivity.name = ResolverActivity.class.getName(); 4951 mResolveActivity.packageName = mAndroidApplication.packageName; 4952 mResolveActivity.processName = "system:ui"; 4953 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4954 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 4955 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4956 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 4957 mResolveActivity.exported = true; 4958 mResolveActivity.enabled = true; 4959 mResolveInfo.activityInfo = mResolveActivity; 4960 mResolveInfo.priority = 0; 4961 mResolveInfo.preferredOrder = 0; 4962 mResolveInfo.match = 0; 4963 mResolveComponentName = new ComponentName( 4964 mAndroidApplication.packageName, mResolveActivity.name); 4965 } 4966 } 4967 } 4968 4969 if (DEBUG_PACKAGE_SCANNING) { 4970 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4971 Log.d(TAG, "Scanning package " + pkg.packageName); 4972 } 4973 4974 if (mPackages.containsKey(pkg.packageName) 4975 || mSharedLibraries.containsKey(pkg.packageName)) { 4976 Slog.w(TAG, "Application package " + pkg.packageName 4977 + " already installed. Skipping duplicate."); 4978 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4979 return null; 4980 } 4981 4982 // Initialize package source and resource directories 4983 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4984 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4985 4986 SharedUserSetting suid = null; 4987 PackageSetting pkgSetting = null; 4988 4989 if (!isSystemApp(pkg)) { 4990 // Only system apps can use these features. 4991 pkg.mOriginalPackages = null; 4992 pkg.mRealPackage = null; 4993 pkg.mAdoptPermissions = null; 4994 } 4995 4996 // writer 4997 synchronized (mPackages) { 4998 if (pkg.mSharedUserId != null) { 4999 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5000 if (suid == null) { 5001 Slog.w(TAG, "Creating application package " + pkg.packageName 5002 + " for shared user failed"); 5003 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5004 return null; 5005 } 5006 if (DEBUG_PACKAGE_SCANNING) { 5007 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5008 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5009 + "): packages=" + suid.packages); 5010 } 5011 } 5012 5013 // Check if we are renaming from an original package name. 5014 PackageSetting origPackage = null; 5015 String realName = null; 5016 if (pkg.mOriginalPackages != null) { 5017 // This package may need to be renamed to a previously 5018 // installed name. Let's check on that... 5019 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5020 if (pkg.mOriginalPackages.contains(renamed)) { 5021 // This package had originally been installed as the 5022 // original name, and we have already taken care of 5023 // transitioning to the new one. Just update the new 5024 // one to continue using the old name. 5025 realName = pkg.mRealPackage; 5026 if (!pkg.packageName.equals(renamed)) { 5027 // Callers into this function may have already taken 5028 // care of renaming the package; only do it here if 5029 // it is not already done. 5030 pkg.setPackageName(renamed); 5031 } 5032 5033 } else { 5034 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5035 if ((origPackage = mSettings.peekPackageLPr( 5036 pkg.mOriginalPackages.get(i))) != null) { 5037 // We do have the package already installed under its 5038 // original name... should we use it? 5039 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5040 // New package is not compatible with original. 5041 origPackage = null; 5042 continue; 5043 } else if (origPackage.sharedUser != null) { 5044 // Make sure uid is compatible between packages. 5045 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5046 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5047 + " to " + pkg.packageName + ": old uid " 5048 + origPackage.sharedUser.name 5049 + " differs from " + pkg.mSharedUserId); 5050 origPackage = null; 5051 continue; 5052 } 5053 } else { 5054 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5055 + pkg.packageName + " to old name " + origPackage.name); 5056 } 5057 break; 5058 } 5059 } 5060 } 5061 } 5062 5063 if (mTransferedPackages.contains(pkg.packageName)) { 5064 Slog.w(TAG, "Package " + pkg.packageName 5065 + " was transferred to another, but its .apk remains"); 5066 } 5067 5068 // Just create the setting, don't add it yet. For already existing packages 5069 // the PkgSetting exists already and doesn't have to be created. 5070 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5071 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 5072 pkg.applicationInfo.cpuAbi, 5073 pkg.applicationInfo.flags, user, false); 5074 if (pkgSetting == null) { 5075 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 5076 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5077 return null; 5078 } 5079 5080 if (pkgSetting.origPackage != null) { 5081 // If we are first transitioning from an original package, 5082 // fix up the new package's name now. We need to do this after 5083 // looking up the package under its new name, so getPackageLP 5084 // can take care of fiddling things correctly. 5085 pkg.setPackageName(origPackage.name); 5086 5087 // File a report about this. 5088 String msg = "New package " + pkgSetting.realName 5089 + " renamed to replace old package " + pkgSetting.name; 5090 reportSettingsProblem(Log.WARN, msg); 5091 5092 // Make a note of it. 5093 mTransferedPackages.add(origPackage.name); 5094 5095 // No longer need to retain this. 5096 pkgSetting.origPackage = null; 5097 } 5098 5099 if (realName != null) { 5100 // Make a note of it. 5101 mTransferedPackages.add(pkg.packageName); 5102 } 5103 5104 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5105 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5106 } 5107 5108 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5109 // Check all shared libraries and map to their actual file path. 5110 // We only do this here for apps not on a system dir, because those 5111 // are the only ones that can fail an install due to this. We 5112 // will take care of the system apps by updating all of their 5113 // library paths after the scan is done. 5114 if (!updateSharedLibrariesLPw(pkg, null)) { 5115 return null; 5116 } 5117 } 5118 5119 if (mFoundPolicyFile) { 5120 SELinuxMMAC.assignSeinfoValue(pkg); 5121 } 5122 5123 pkg.applicationInfo.uid = pkgSetting.appId; 5124 pkg.mExtras = pkgSetting; 5125 5126 if (!verifySignaturesLP(pkgSetting, pkg)) { 5127 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5128 return null; 5129 } 5130 // The signature has changed, but this package is in the system 5131 // image... let's recover! 5132 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5133 // However... if this package is part of a shared user, but it 5134 // doesn't match the signature of the shared user, let's fail. 5135 // What this means is that you can't change the signatures 5136 // associated with an overall shared user, which doesn't seem all 5137 // that unreasonable. 5138 if (pkgSetting.sharedUser != null) { 5139 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5140 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5141 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 5142 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 5143 return null; 5144 } 5145 } 5146 // File a report about this. 5147 String msg = "System package " + pkg.packageName 5148 + " signature changed; retaining data."; 5149 reportSettingsProblem(Log.WARN, msg); 5150 } 5151 5152 // Verify that this new package doesn't have any content providers 5153 // that conflict with existing packages. Only do this if the 5154 // package isn't already installed, since we don't want to break 5155 // things that are installed. 5156 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 5157 final int N = pkg.providers.size(); 5158 int i; 5159 for (i=0; i<N; i++) { 5160 PackageParser.Provider p = pkg.providers.get(i); 5161 if (p.info.authority != null) { 5162 String names[] = p.info.authority.split(";"); 5163 for (int j = 0; j < names.length; j++) { 5164 if (mProvidersByAuthority.containsKey(names[j])) { 5165 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5166 Slog.w(TAG, "Can't install because provider name " + names[j] + 5167 " (in package " + pkg.applicationInfo.packageName + 5168 ") is already used by " 5169 + ((other != null && other.getComponentName() != null) 5170 ? other.getComponentName().getPackageName() : "?")); 5171 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 5172 return null; 5173 } 5174 } 5175 } 5176 } 5177 } 5178 5179 if (pkg.mAdoptPermissions != null) { 5180 // This package wants to adopt ownership of permissions from 5181 // another package. 5182 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5183 final String origName = pkg.mAdoptPermissions.get(i); 5184 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5185 if (orig != null) { 5186 if (verifyPackageUpdateLPr(orig, pkg)) { 5187 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5188 + pkg.packageName); 5189 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5190 } 5191 } 5192 } 5193 } 5194 } 5195 5196 final String pkgName = pkg.packageName; 5197 5198 final long scanFileTime = scanFile.lastModified(); 5199 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 5200 pkg.applicationInfo.processName = fixProcessName( 5201 pkg.applicationInfo.packageName, 5202 pkg.applicationInfo.processName, 5203 pkg.applicationInfo.uid); 5204 5205 File dataPath; 5206 if (mPlatformPackage == pkg) { 5207 // The system package is special. 5208 dataPath = new File (Environment.getDataDirectory(), "system"); 5209 pkg.applicationInfo.dataDir = dataPath.getPath(); 5210 } else { 5211 // This is a normal package, need to make its data directory. 5212 dataPath = getDataPathForPackage(pkg.packageName, 0); 5213 5214 boolean uidError = false; 5215 5216 if (dataPath.exists()) { 5217 int currentUid = 0; 5218 try { 5219 StructStat stat = Os.stat(dataPath.getPath()); 5220 currentUid = stat.st_uid; 5221 } catch (ErrnoException e) { 5222 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5223 } 5224 5225 // If we have mismatched owners for the data path, we have a problem. 5226 if (currentUid != pkg.applicationInfo.uid) { 5227 boolean recovered = false; 5228 if (currentUid == 0) { 5229 // The directory somehow became owned by root. Wow. 5230 // This is probably because the system was stopped while 5231 // installd was in the middle of messing with its libs 5232 // directory. Ask installd to fix that. 5233 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5234 pkg.applicationInfo.uid); 5235 if (ret >= 0) { 5236 recovered = true; 5237 String msg = "Package " + pkg.packageName 5238 + " unexpectedly changed to uid 0; recovered to " + 5239 + pkg.applicationInfo.uid; 5240 reportSettingsProblem(Log.WARN, msg); 5241 } 5242 } 5243 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5244 || (scanMode&SCAN_BOOTING) != 0)) { 5245 // If this is a system app, we can at least delete its 5246 // current data so the application will still work. 5247 int ret = removeDataDirsLI(pkgName); 5248 if (ret >= 0) { 5249 // TODO: Kill the processes first 5250 // Old data gone! 5251 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5252 ? "System package " : "Third party package "; 5253 String msg = prefix + pkg.packageName 5254 + " has changed from uid: " 5255 + currentUid + " to " 5256 + pkg.applicationInfo.uid + "; old data erased"; 5257 reportSettingsProblem(Log.WARN, msg); 5258 recovered = true; 5259 5260 // And now re-install the app. 5261 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5262 pkg.applicationInfo.seinfo); 5263 if (ret == -1) { 5264 // Ack should not happen! 5265 msg = prefix + pkg.packageName 5266 + " could not have data directory re-created after delete."; 5267 reportSettingsProblem(Log.WARN, msg); 5268 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5269 return null; 5270 } 5271 } 5272 if (!recovered) { 5273 mHasSystemUidErrors = true; 5274 } 5275 } else if (!recovered) { 5276 // If we allow this install to proceed, we will be broken. 5277 // Abort, abort! 5278 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 5279 return null; 5280 } 5281 if (!recovered) { 5282 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5283 + pkg.applicationInfo.uid + "/fs_" 5284 + currentUid; 5285 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5286 String msg = "Package " + pkg.packageName 5287 + " has mismatched uid: " 5288 + currentUid + " on disk, " 5289 + pkg.applicationInfo.uid + " in settings"; 5290 // writer 5291 synchronized (mPackages) { 5292 mSettings.mReadMessages.append(msg); 5293 mSettings.mReadMessages.append('\n'); 5294 uidError = true; 5295 if (!pkgSetting.uidError) { 5296 reportSettingsProblem(Log.ERROR, msg); 5297 } 5298 } 5299 } 5300 } 5301 pkg.applicationInfo.dataDir = dataPath.getPath(); 5302 if (mShouldRestoreconData) { 5303 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5304 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5305 pkg.applicationInfo.uid); 5306 } 5307 } else { 5308 if (DEBUG_PACKAGE_SCANNING) { 5309 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5310 Log.v(TAG, "Want this data dir: " + dataPath); 5311 } 5312 //invoke installer to do the actual installation 5313 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5314 pkg.applicationInfo.seinfo); 5315 if (ret < 0) { 5316 // Error from installer 5317 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 5318 return null; 5319 } 5320 5321 if (dataPath.exists()) { 5322 pkg.applicationInfo.dataDir = dataPath.getPath(); 5323 } else { 5324 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5325 pkg.applicationInfo.dataDir = null; 5326 } 5327 } 5328 5329 /* 5330 * Set the data dir to the default "/data/data/<package name>/lib" 5331 * if we got here without anyone telling us different (e.g., apps 5332 * stored on SD card have their native libraries stored in the ASEC 5333 * container with the APK). 5334 * 5335 * This happens during an upgrade from a package settings file that 5336 * doesn't have a native library path attribute at all. 5337 */ 5338 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 5339 if (pkgSetting.nativeLibraryPathString == null) { 5340 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5341 } else { 5342 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 5343 } 5344 } 5345 pkgSetting.uidError = uidError; 5346 } 5347 5348 String path = scanFile.getPath(); 5349 /* Note: We don't want to unpack the native binaries for 5350 * system applications, unless they have been updated 5351 * (the binaries are already under /system/lib). 5352 * Also, don't unpack libs for apps on the external card 5353 * since they should have their libraries in the ASEC 5354 * container already. 5355 * 5356 * In other words, we're going to unpack the binaries 5357 * only for non-system apps and system app upgrades. 5358 */ 5359 if (pkg.applicationInfo.nativeLibraryDir != null) { 5360 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5361 try { 5362 // Enable gross and lame hacks for apps that are built with old 5363 // SDK tools. We must scan their APKs for renderscript bitcode and 5364 // not launch them if it's present. Don't bother checking on devices 5365 // that don't have 64 bit support. 5366 String[] abiList = Build.SUPPORTED_ABIS; 5367 boolean hasLegacyRenderscriptBitcode = false; 5368 if (abiOverride != null) { 5369 abiList = new String[] { abiOverride }; 5370 } else if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 5371 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5372 abiList = Build.SUPPORTED_32_BIT_ABIS; 5373 hasLegacyRenderscriptBitcode = true; 5374 } 5375 5376 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5377 final String dataPathString = dataPath.getCanonicalPath(); 5378 5379 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5380 /* 5381 * Upgrading from a previous version of the OS sometimes 5382 * leaves native libraries in the /data/data/<app>/lib 5383 * directory for system apps even when they shouldn't be. 5384 * Recent changes in the JNI library search path 5385 * necessitates we remove those to match previous behavior. 5386 */ 5387 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 5388 Log.i(TAG, "removed obsolete native libraries for system package " 5389 + path); 5390 } 5391 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5392 pkg.applicationInfo.cpuAbi = abiList[0]; 5393 pkgSetting.cpuAbiString = abiList[0]; 5394 } else { 5395 setInternalAppAbi(pkg, pkgSetting); 5396 } 5397 } else { 5398 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 5399 /* 5400 * Update native library dir if it starts with 5401 * /data/data 5402 */ 5403 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 5404 setInternalAppNativeLibraryPath(pkg, pkgSetting); 5405 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 5406 } 5407 5408 try { 5409 int copyRet = copyNativeLibrariesForInternalApp(handle, 5410 nativeLibraryDir, abiList); 5411 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5412 Slog.e(TAG, "Unable to copy native libraries"); 5413 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5414 return null; 5415 } 5416 5417 // We've successfully copied native libraries across, so we make a 5418 // note of what ABI we're using 5419 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5420 pkg.applicationInfo.cpuAbi = abiList[copyRet]; 5421 } else if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5422 pkg.applicationInfo.cpuAbi = abiList[0]; 5423 } else { 5424 pkg.applicationInfo.cpuAbi = null; 5425 } 5426 } catch (IOException e) { 5427 Slog.e(TAG, "Unable to copy native libraries", e); 5428 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5429 return null; 5430 } 5431 } else { 5432 // We don't have to copy the shared libraries if we're in the ASEC container 5433 // but we still need to scan the file to figure out what ABI the app needs. 5434 // 5435 // TODO: This duplicates work done in the default container service. It's possible 5436 // to clean this up but we'll need to change the interface between this service 5437 // and IMediaContainerService (but doing so will spread this logic out, rather 5438 // than centralizing it). 5439 final int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5440 if (abi >= 0) { 5441 pkg.applicationInfo.cpuAbi = abiList[abi]; 5442 } else if (abi == PackageManager.NO_NATIVE_LIBRARIES) { 5443 // Note that (non upgraded) system apps will not have any native 5444 // libraries bundled in their APK, but we're guaranteed not to be 5445 // such an app at this point. 5446 if (abiOverride != null || hasLegacyRenderscriptBitcode) { 5447 pkg.applicationInfo.cpuAbi = abiList[0]; 5448 } else { 5449 pkg.applicationInfo.cpuAbi = null; 5450 } 5451 } else { 5452 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5453 return null; 5454 } 5455 } 5456 5457 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5458 final int[] userIds = sUserManager.getUserIds(); 5459 synchronized (mInstallLock) { 5460 for (int userId : userIds) { 5461 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 5462 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 5463 Slog.w(TAG, "Failed linking native library dir (user=" + userId 5464 + ")"); 5465 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 5466 return null; 5467 } 5468 } 5469 } 5470 } 5471 5472 pkgSetting.cpuAbiString = pkg.applicationInfo.cpuAbi; 5473 } catch (IOException ioe) { 5474 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5475 } finally { 5476 handle.close(); 5477 } 5478 } 5479 pkg.mScanPath = path; 5480 5481 if ((scanMode&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5482 // We don't do this here during boot because we can do it all 5483 // at once after scanning all existing packages. 5484 // 5485 // We also do this *before* we perform dexopt on this package, so that 5486 // we can avoid redundant dexopts, and also to make sure we've got the 5487 // code and package path correct. 5488 if (!adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5489 pkg, forceDex, (scanMode & SCAN_DEFER_DEX) != 0)) { 5490 mLastScanError = PackageManager.INSTALL_FAILED_CPU_ABI_INCOMPATIBLE; 5491 return null; 5492 } 5493 } 5494 5495 if ((scanMode&SCAN_NO_DEX) == 0) { 5496 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5497 == DEX_OPT_FAILED) { 5498 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5499 removeDataDirsLI(pkg.packageName); 5500 } 5501 5502 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5503 return null; 5504 } 5505 } 5506 5507 if (mFactoryTest && pkg.requestedPermissions.contains( 5508 android.Manifest.permission.FACTORY_TEST)) { 5509 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5510 } 5511 5512 ArrayList<PackageParser.Package> clientLibPkgs = null; 5513 5514 // writer 5515 synchronized (mPackages) { 5516 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5517 // Only system apps can add new shared libraries. 5518 if (pkg.libraryNames != null) { 5519 for (int i=0; i<pkg.libraryNames.size(); i++) { 5520 String name = pkg.libraryNames.get(i); 5521 boolean allowed = false; 5522 if (isUpdatedSystemApp(pkg)) { 5523 // New library entries can only be added through the 5524 // system image. This is important to get rid of a lot 5525 // of nasty edge cases: for example if we allowed a non- 5526 // system update of the app to add a library, then uninstalling 5527 // the update would make the library go away, and assumptions 5528 // we made such as through app install filtering would now 5529 // have allowed apps on the device which aren't compatible 5530 // with it. Better to just have the restriction here, be 5531 // conservative, and create many fewer cases that can negatively 5532 // impact the user experience. 5533 final PackageSetting sysPs = mSettings 5534 .getDisabledSystemPkgLPr(pkg.packageName); 5535 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5536 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5537 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5538 allowed = true; 5539 allowed = true; 5540 break; 5541 } 5542 } 5543 } 5544 } else { 5545 allowed = true; 5546 } 5547 if (allowed) { 5548 if (!mSharedLibraries.containsKey(name)) { 5549 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5550 } else if (!name.equals(pkg.packageName)) { 5551 Slog.w(TAG, "Package " + pkg.packageName + " library " 5552 + name + " already exists; skipping"); 5553 } 5554 } else { 5555 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5556 + name + " that is not declared on system image; skipping"); 5557 } 5558 } 5559 if ((scanMode&SCAN_BOOTING) == 0) { 5560 // If we are not booting, we need to update any applications 5561 // that are clients of our shared library. If we are booting, 5562 // this will all be done once the scan is complete. 5563 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5564 } 5565 } 5566 } 5567 } 5568 5569 // We also need to dexopt any apps that are dependent on this library. Note that 5570 // if these fail, we should abort the install since installing the library will 5571 // result in some apps being broken. 5572 if (clientLibPkgs != null) { 5573 if ((scanMode&SCAN_NO_DEX) == 0) { 5574 for (int i=0; i<clientLibPkgs.size(); i++) { 5575 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5576 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 5577 == DEX_OPT_FAILED) { 5578 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5579 removeDataDirsLI(pkg.packageName); 5580 } 5581 5582 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 5583 return null; 5584 } 5585 } 5586 } 5587 } 5588 5589 // Request the ActivityManager to kill the process(only for existing packages) 5590 // so that we do not end up in a confused state while the user is still using the older 5591 // version of the application while the new one gets installed. 5592 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 5593 // If the package lives in an asec, tell everyone that the container is going 5594 // away so they can clean up any references to its resources (which would prevent 5595 // vold from being able to unmount the asec) 5596 if (isForwardLocked(pkg) || isExternal(pkg)) { 5597 if (DEBUG_INSTALL) { 5598 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 5599 } 5600 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 5601 final ArrayList<String> pkgList = new ArrayList<String>(1); 5602 pkgList.add(pkg.applicationInfo.packageName); 5603 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 5604 } 5605 5606 // Post the request that it be killed now that the going-away broadcast is en route 5607 killApplication(pkg.applicationInfo.packageName, 5608 pkg.applicationInfo.uid, "update pkg"); 5609 } 5610 5611 // Also need to kill any apps that are dependent on the library. 5612 if (clientLibPkgs != null) { 5613 for (int i=0; i<clientLibPkgs.size(); i++) { 5614 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5615 killApplication(clientPkg.applicationInfo.packageName, 5616 clientPkg.applicationInfo.uid, "update lib"); 5617 } 5618 } 5619 5620 // writer 5621 synchronized (mPackages) { 5622 // We don't expect installation to fail beyond this point, 5623 if ((scanMode&SCAN_MONITOR) != 0) { 5624 mAppDirs.put(pkg.mPath, pkg); 5625 } 5626 // Add the new setting to mSettings 5627 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5628 // Add the new setting to mPackages 5629 mPackages.put(pkg.applicationInfo.packageName, pkg); 5630 // Make sure we don't accidentally delete its data. 5631 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5632 while (iter.hasNext()) { 5633 PackageCleanItem item = iter.next(); 5634 if (pkgName.equals(item.packageName)) { 5635 iter.remove(); 5636 } 5637 } 5638 5639 // Take care of first install / last update times. 5640 if (currentTime != 0) { 5641 if (pkgSetting.firstInstallTime == 0) { 5642 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5643 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 5644 pkgSetting.lastUpdateTime = currentTime; 5645 } 5646 } else if (pkgSetting.firstInstallTime == 0) { 5647 // We need *something*. Take time time stamp of the file. 5648 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5649 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5650 if (scanFileTime != pkgSetting.timeStamp) { 5651 // A package on the system image has changed; consider this 5652 // to be an update. 5653 pkgSetting.lastUpdateTime = scanFileTime; 5654 } 5655 } 5656 5657 // Add the package's KeySets to the global KeySetManager 5658 KeySetManager ksm = mSettings.mKeySetManager; 5659 try { 5660 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5661 if (pkg.mKeySetMapping != null) { 5662 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5663 if (entry.getValue() != null) { 5664 ksm.addDefinedKeySetToPackage(pkg.packageName, 5665 entry.getValue(), entry.getKey()); 5666 } 5667 } 5668 } 5669 } catch (NullPointerException e) { 5670 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5671 } catch (IllegalArgumentException e) { 5672 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5673 } 5674 5675 int N = pkg.providers.size(); 5676 StringBuilder r = null; 5677 int i; 5678 for (i=0; i<N; i++) { 5679 PackageParser.Provider p = pkg.providers.get(i); 5680 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5681 p.info.processName, pkg.applicationInfo.uid); 5682 mProviders.addProvider(p); 5683 p.syncable = p.info.isSyncable; 5684 if (p.info.authority != null) { 5685 String names[] = p.info.authority.split(";"); 5686 p.info.authority = null; 5687 for (int j = 0; j < names.length; j++) { 5688 if (j == 1 && p.syncable) { 5689 // We only want the first authority for a provider to possibly be 5690 // syncable, so if we already added this provider using a different 5691 // authority clear the syncable flag. We copy the provider before 5692 // changing it because the mProviders object contains a reference 5693 // to a provider that we don't want to change. 5694 // Only do this for the second authority since the resulting provider 5695 // object can be the same for all future authorities for this provider. 5696 p = new PackageParser.Provider(p); 5697 p.syncable = false; 5698 } 5699 if (!mProvidersByAuthority.containsKey(names[j])) { 5700 mProvidersByAuthority.put(names[j], p); 5701 if (p.info.authority == null) { 5702 p.info.authority = names[j]; 5703 } else { 5704 p.info.authority = p.info.authority + ";" + names[j]; 5705 } 5706 if (DEBUG_PACKAGE_SCANNING) { 5707 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5708 Log.d(TAG, "Registered content provider: " + names[j] 5709 + ", className = " + p.info.name + ", isSyncable = " 5710 + p.info.isSyncable); 5711 } 5712 } else { 5713 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5714 Slog.w(TAG, "Skipping provider name " + names[j] + 5715 " (in package " + pkg.applicationInfo.packageName + 5716 "): name already used by " 5717 + ((other != null && other.getComponentName() != null) 5718 ? other.getComponentName().getPackageName() : "?")); 5719 } 5720 } 5721 } 5722 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5723 if (r == null) { 5724 r = new StringBuilder(256); 5725 } else { 5726 r.append(' '); 5727 } 5728 r.append(p.info.name); 5729 } 5730 } 5731 if (r != null) { 5732 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5733 } 5734 5735 N = pkg.services.size(); 5736 r = null; 5737 for (i=0; i<N; i++) { 5738 PackageParser.Service s = pkg.services.get(i); 5739 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5740 s.info.processName, pkg.applicationInfo.uid); 5741 mServices.addService(s); 5742 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5743 if (r == null) { 5744 r = new StringBuilder(256); 5745 } else { 5746 r.append(' '); 5747 } 5748 r.append(s.info.name); 5749 } 5750 } 5751 if (r != null) { 5752 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5753 } 5754 5755 N = pkg.receivers.size(); 5756 r = null; 5757 for (i=0; i<N; i++) { 5758 PackageParser.Activity a = pkg.receivers.get(i); 5759 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5760 a.info.processName, pkg.applicationInfo.uid); 5761 mReceivers.addActivity(a, "receiver"); 5762 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5763 if (r == null) { 5764 r = new StringBuilder(256); 5765 } else { 5766 r.append(' '); 5767 } 5768 r.append(a.info.name); 5769 } 5770 } 5771 if (r != null) { 5772 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5773 } 5774 5775 N = pkg.activities.size(); 5776 r = null; 5777 for (i=0; i<N; i++) { 5778 PackageParser.Activity a = pkg.activities.get(i); 5779 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5780 a.info.processName, pkg.applicationInfo.uid); 5781 mActivities.addActivity(a, "activity"); 5782 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5783 if (r == null) { 5784 r = new StringBuilder(256); 5785 } else { 5786 r.append(' '); 5787 } 5788 r.append(a.info.name); 5789 } 5790 } 5791 if (r != null) { 5792 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5793 } 5794 5795 N = pkg.permissionGroups.size(); 5796 r = null; 5797 for (i=0; i<N; i++) { 5798 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5799 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5800 if (cur == null) { 5801 mPermissionGroups.put(pg.info.name, pg); 5802 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5803 if (r == null) { 5804 r = new StringBuilder(256); 5805 } else { 5806 r.append(' '); 5807 } 5808 r.append(pg.info.name); 5809 } 5810 } else { 5811 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5812 + pg.info.packageName + " ignored: original from " 5813 + cur.info.packageName); 5814 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5815 if (r == null) { 5816 r = new StringBuilder(256); 5817 } else { 5818 r.append(' '); 5819 } 5820 r.append("DUP:"); 5821 r.append(pg.info.name); 5822 } 5823 } 5824 } 5825 if (r != null) { 5826 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5827 } 5828 5829 N = pkg.permissions.size(); 5830 r = null; 5831 for (i=0; i<N; i++) { 5832 PackageParser.Permission p = pkg.permissions.get(i); 5833 HashMap<String, BasePermission> permissionMap = 5834 p.tree ? mSettings.mPermissionTrees 5835 : mSettings.mPermissions; 5836 p.group = mPermissionGroups.get(p.info.group); 5837 if (p.info.group == null || p.group != null) { 5838 BasePermission bp = permissionMap.get(p.info.name); 5839 if (bp == null) { 5840 bp = new BasePermission(p.info.name, p.info.packageName, 5841 BasePermission.TYPE_NORMAL); 5842 permissionMap.put(p.info.name, bp); 5843 } 5844 if (bp.perm == null) { 5845 if (bp.sourcePackage != null 5846 && !bp.sourcePackage.equals(p.info.packageName)) { 5847 // If this is a permission that was formerly defined by a non-system 5848 // app, but is now defined by a system app (following an upgrade), 5849 // discard the previous declaration and consider the system's to be 5850 // canonical. 5851 if (isSystemApp(p.owner)) { 5852 String msg = "New decl " + p.owner + " of permission " 5853 + p.info.name + " is system"; 5854 reportSettingsProblem(Log.WARN, msg); 5855 bp.sourcePackage = null; 5856 } 5857 } 5858 if (bp.sourcePackage == null 5859 || bp.sourcePackage.equals(p.info.packageName)) { 5860 BasePermission tree = findPermissionTreeLP(p.info.name); 5861 if (tree == null 5862 || tree.sourcePackage.equals(p.info.packageName)) { 5863 bp.packageSetting = pkgSetting; 5864 bp.perm = p; 5865 bp.uid = pkg.applicationInfo.uid; 5866 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5867 if (r == null) { 5868 r = new StringBuilder(256); 5869 } else { 5870 r.append(' '); 5871 } 5872 r.append(p.info.name); 5873 } 5874 } else { 5875 Slog.w(TAG, "Permission " + p.info.name + " from package " 5876 + p.info.packageName + " ignored: base tree " 5877 + tree.name + " is from package " 5878 + tree.sourcePackage); 5879 } 5880 } else { 5881 Slog.w(TAG, "Permission " + p.info.name + " from package " 5882 + p.info.packageName + " ignored: original from " 5883 + bp.sourcePackage); 5884 } 5885 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5886 if (r == null) { 5887 r = new StringBuilder(256); 5888 } else { 5889 r.append(' '); 5890 } 5891 r.append("DUP:"); 5892 r.append(p.info.name); 5893 } 5894 if (bp.perm == p) { 5895 bp.protectionLevel = p.info.protectionLevel; 5896 } 5897 } else { 5898 Slog.w(TAG, "Permission " + p.info.name + " from package " 5899 + p.info.packageName + " ignored: no group " 5900 + p.group); 5901 } 5902 } 5903 if (r != null) { 5904 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5905 } 5906 5907 N = pkg.instrumentation.size(); 5908 r = null; 5909 for (i=0; i<N; i++) { 5910 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5911 a.info.packageName = pkg.applicationInfo.packageName; 5912 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5913 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5914 a.info.dataDir = pkg.applicationInfo.dataDir; 5915 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5916 mInstrumentation.put(a.getComponentName(), a); 5917 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5918 if (r == null) { 5919 r = new StringBuilder(256); 5920 } else { 5921 r.append(' '); 5922 } 5923 r.append(a.info.name); 5924 } 5925 } 5926 if (r != null) { 5927 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5928 } 5929 5930 if (pkg.protectedBroadcasts != null) { 5931 N = pkg.protectedBroadcasts.size(); 5932 for (i=0; i<N; i++) { 5933 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5934 } 5935 } 5936 5937 pkgSetting.setTimeStamp(scanFileTime); 5938 5939 // Create idmap files for pairs of (packages, overlay packages). 5940 // Note: "android", ie framework-res.apk, is handled by native layers. 5941 if (pkg.mOverlayTarget != null) { 5942 // This is an overlay package. 5943 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5944 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5945 mOverlays.put(pkg.mOverlayTarget, 5946 new HashMap<String, PackageParser.Package>()); 5947 } 5948 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5949 map.put(pkg.packageName, pkg); 5950 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5951 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5952 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5953 return null; 5954 } 5955 } 5956 } else if (mOverlays.containsKey(pkg.packageName) && 5957 !pkg.packageName.equals("android")) { 5958 // This is a regular package, with one or more known overlay packages. 5959 createIdmapsForPackageLI(pkg); 5960 } 5961 } 5962 5963 return pkg; 5964 } 5965 5966 /** 5967 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 5968 * i.e, so that all packages can be run inside a single process if required. 5969 * 5970 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 5971 * this function will either try and make the ABI for all packages in {@code packagesForUser} 5972 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 5973 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 5974 * updating a package that belongs to a shared user. 5975 */ 5976 private boolean adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 5977 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 5978 String requiredInstructionSet = null; 5979 if (scannedPackage != null && scannedPackage.applicationInfo.cpuAbi != null) { 5980 requiredInstructionSet = VMRuntime.getInstructionSet( 5981 scannedPackage.applicationInfo.cpuAbi); 5982 } 5983 5984 PackageSetting requirer = null; 5985 for (PackageSetting ps : packagesForUser) { 5986 // If packagesForUser contains scannedPackage, we skip it. This will happen 5987 // when scannedPackage is an update of an existing package. Without this check, 5988 // we will never be able to change the ABI of any package belonging to a shared 5989 // user, even if it's compatible with other packages. 5990 if (scannedPackage == null || ! scannedPackage.packageName.equals(ps.name)) { 5991 if (ps.cpuAbiString == null) { 5992 continue; 5993 } 5994 5995 final String instructionSet = VMRuntime.getInstructionSet(ps.cpuAbiString); 5996 if (requiredInstructionSet != null) { 5997 if (!instructionSet.equals(requiredInstructionSet)) { 5998 // We have a mismatch between instruction sets (say arm vs arm64). 5999 // bail out. 6000 String errorMessage = "Instruction set mismatch, " 6001 + ((requirer == null) ? "[caller]" : requirer) 6002 + " requires " + requiredInstructionSet + " whereas " + ps 6003 + " requires " + instructionSet; 6004 Slog.e(TAG, errorMessage); 6005 6006 reportSettingsProblem(Log.WARN, errorMessage); 6007 // Give up, don't bother making any other changes to the package settings. 6008 return false; 6009 } 6010 } else { 6011 requiredInstructionSet = instructionSet; 6012 requirer = ps; 6013 } 6014 } 6015 } 6016 6017 if (requiredInstructionSet != null) { 6018 String adjustedAbi; 6019 if (requirer != null) { 6020 // requirer != null implies that either scannedPackage was null or that scannedPackage 6021 // did not require an ABI, in which case we have to adjust scannedPackage to match 6022 // the ABI of the set (which is the same as requirer's ABI) 6023 adjustedAbi = requirer.cpuAbiString; 6024 if (scannedPackage != null) { 6025 scannedPackage.applicationInfo.cpuAbi = adjustedAbi; 6026 } 6027 } else { 6028 // requirer == null implies that we're updating all ABIs in the set to 6029 // match scannedPackage. 6030 adjustedAbi = scannedPackage.applicationInfo.cpuAbi; 6031 } 6032 6033 for (PackageSetting ps : packagesForUser) { 6034 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6035 if (ps.cpuAbiString != null) { 6036 continue; 6037 } 6038 6039 ps.cpuAbiString = adjustedAbi; 6040 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6041 ps.pkg.applicationInfo.cpuAbi = adjustedAbi; 6042 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6043 6044 if (performDexOptLI(ps.pkg, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { 6045 ps.cpuAbiString = null; 6046 ps.pkg.applicationInfo.cpuAbi = null; 6047 return false; 6048 } else { 6049 mInstaller.rmdex(ps.codePathString, getPreferredInstructionSet()); 6050 } 6051 } 6052 } 6053 } 6054 } 6055 6056 return true; 6057 } 6058 6059 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6060 synchronized (mPackages) { 6061 mResolverReplaced = true; 6062 // Set up information for custom user intent resolution activity. 6063 mResolveActivity.applicationInfo = pkg.applicationInfo; 6064 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6065 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6066 mResolveActivity.processName = null; 6067 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6068 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6069 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6070 mResolveActivity.theme = 0; 6071 mResolveActivity.exported = true; 6072 mResolveActivity.enabled = true; 6073 mResolveInfo.activityInfo = mResolveActivity; 6074 mResolveInfo.priority = 0; 6075 mResolveInfo.preferredOrder = 0; 6076 mResolveInfo.match = 0; 6077 mResolveComponentName = mCustomResolverComponentName; 6078 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6079 mResolveComponentName); 6080 } 6081 } 6082 6083 private String calculateApkRoot(final String codePathString) { 6084 final File codePath = new File(codePathString); 6085 final File codeRoot; 6086 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6087 codeRoot = Environment.getRootDirectory(); 6088 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6089 codeRoot = Environment.getOemDirectory(); 6090 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6091 codeRoot = Environment.getVendorDirectory(); 6092 } else { 6093 // Unrecognized code path; take its top real segment as the apk root: 6094 // e.g. /something/app/blah.apk => /something 6095 try { 6096 File f = codePath.getCanonicalFile(); 6097 File parent = f.getParentFile(); // non-null because codePath is a file 6098 File tmp; 6099 while ((tmp = parent.getParentFile()) != null) { 6100 f = parent; 6101 parent = tmp; 6102 } 6103 codeRoot = f; 6104 Slog.w(TAG, "Unrecognized code path " 6105 + codePath + " - using " + codeRoot); 6106 } catch (IOException e) { 6107 // Can't canonicalize the lib path -- shenanigans? 6108 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6109 return Environment.getRootDirectory().getPath(); 6110 } 6111 } 6112 return codeRoot.getPath(); 6113 } 6114 6115 // This is the initial scan-time determination of how to handle a given 6116 // package for purposes of native library location. 6117 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 6118 PackageSetting pkgSetting) { 6119 // "bundled" here means system-installed with no overriding update 6120 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 6121 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6122 final File libDir; 6123 if (bundledApk) { 6124 // If "/system/lib64/apkname" exists, assume that is the per-package 6125 // native library directory to use; otherwise use "/system/lib/apkname". 6126 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6127 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 6128 File packLib64 = new File(lib64, apkName); 6129 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 6130 } else { 6131 libDir = mAppLibInstallDir; 6132 } 6133 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 6134 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 6135 // pkgSetting might be null during rescan following uninstall of updates 6136 // to a bundled app, so accommodate that possibility. The settings in 6137 // that case will be established later from the parsed package. 6138 if (pkgSetting != null) { 6139 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 6140 } 6141 } 6142 6143 // Deduces the required ABI of an upgraded system app. 6144 private void setInternalAppAbi(PackageParser.Package pkg, PackageSetting pkgSetting) { 6145 final String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 6146 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 6147 6148 // This is of the form "/system/lib64/<packagename>", "/vendor/lib64/<packagename>" 6149 // or similar. 6150 final File lib64 = new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath()); 6151 final File lib = new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath()); 6152 6153 // Assume that the bundled native libraries always correspond to the 6154 // most preferred 32 or 64 bit ABI. 6155 if (lib64.exists()) { 6156 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6157 pkgSetting.cpuAbiString = Build.SUPPORTED_64_BIT_ABIS[0]; 6158 } else if (lib.exists()) { 6159 pkg.applicationInfo.cpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6160 pkgSetting.cpuAbiString = Build.SUPPORTED_32_BIT_ABIS[0]; 6161 } else { 6162 // This is the case where the app has no native code. 6163 pkg.applicationInfo.cpuAbi = null; 6164 pkgSetting.cpuAbiString = null; 6165 } 6166 } 6167 6168 private static int copyNativeLibrariesForInternalApp(ApkHandle handle, 6169 final File nativeLibraryDir, String[] abiList) throws IOException { 6170 if (!nativeLibraryDir.isDirectory()) { 6171 nativeLibraryDir.delete(); 6172 6173 if (!nativeLibraryDir.mkdir()) { 6174 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 6175 } 6176 6177 try { 6178 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 6179 } catch (ErrnoException e) { 6180 throw new IOException("Cannot chmod native library directory " 6181 + nativeLibraryDir.getPath(), e); 6182 } 6183 } else if (!SELinux.restorecon(nativeLibraryDir)) { 6184 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 6185 } 6186 6187 /* 6188 * If this is an internal application or our nativeLibraryPath points to 6189 * the app-lib directory, unpack the libraries if necessary. 6190 */ 6191 int abi = NativeLibraryHelper.findSupportedAbi(handle, abiList); 6192 if (abi >= 0) { 6193 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 6194 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 6195 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 6196 return copyRet; 6197 } 6198 } 6199 6200 return abi; 6201 } 6202 6203 private void killApplication(String pkgName, int appId, String reason) { 6204 // Request the ActivityManager to kill the process(only for existing packages) 6205 // so that we do not end up in a confused state while the user is still using the older 6206 // version of the application while the new one gets installed. 6207 IActivityManager am = ActivityManagerNative.getDefault(); 6208 if (am != null) { 6209 try { 6210 am.killApplicationWithAppId(pkgName, appId, reason); 6211 } catch (RemoteException e) { 6212 } 6213 } 6214 } 6215 6216 void removePackageLI(PackageSetting ps, boolean chatty) { 6217 if (DEBUG_INSTALL) { 6218 if (chatty) 6219 Log.d(TAG, "Removing package " + ps.name); 6220 } 6221 6222 // writer 6223 synchronized (mPackages) { 6224 mPackages.remove(ps.name); 6225 if (ps.codePathString != null) { 6226 mAppDirs.remove(ps.codePathString); 6227 } 6228 6229 final PackageParser.Package pkg = ps.pkg; 6230 if (pkg != null) { 6231 cleanPackageDataStructuresLILPw(pkg, chatty); 6232 } 6233 } 6234 } 6235 6236 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6237 if (DEBUG_INSTALL) { 6238 if (chatty) 6239 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6240 } 6241 6242 // writer 6243 synchronized (mPackages) { 6244 mPackages.remove(pkg.applicationInfo.packageName); 6245 if (pkg.mPath != null) { 6246 mAppDirs.remove(pkg.mPath); 6247 } 6248 cleanPackageDataStructuresLILPw(pkg, chatty); 6249 } 6250 } 6251 6252 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6253 int N = pkg.providers.size(); 6254 StringBuilder r = null; 6255 int i; 6256 for (i=0; i<N; i++) { 6257 PackageParser.Provider p = pkg.providers.get(i); 6258 mProviders.removeProvider(p); 6259 if (p.info.authority == null) { 6260 6261 /* There was another ContentProvider with this authority when 6262 * this app was installed so this authority is null, 6263 * Ignore it as we don't have to unregister the provider. 6264 */ 6265 continue; 6266 } 6267 String names[] = p.info.authority.split(";"); 6268 for (int j = 0; j < names.length; j++) { 6269 if (mProvidersByAuthority.get(names[j]) == p) { 6270 mProvidersByAuthority.remove(names[j]); 6271 if (DEBUG_REMOVE) { 6272 if (chatty) 6273 Log.d(TAG, "Unregistered content provider: " + names[j] 6274 + ", className = " + p.info.name + ", isSyncable = " 6275 + p.info.isSyncable); 6276 } 6277 } 6278 } 6279 if (DEBUG_REMOVE && chatty) { 6280 if (r == null) { 6281 r = new StringBuilder(256); 6282 } else { 6283 r.append(' '); 6284 } 6285 r.append(p.info.name); 6286 } 6287 } 6288 if (r != null) { 6289 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6290 } 6291 6292 N = pkg.services.size(); 6293 r = null; 6294 for (i=0; i<N; i++) { 6295 PackageParser.Service s = pkg.services.get(i); 6296 mServices.removeService(s); 6297 if (chatty) { 6298 if (r == null) { 6299 r = new StringBuilder(256); 6300 } else { 6301 r.append(' '); 6302 } 6303 r.append(s.info.name); 6304 } 6305 } 6306 if (r != null) { 6307 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6308 } 6309 6310 N = pkg.receivers.size(); 6311 r = null; 6312 for (i=0; i<N; i++) { 6313 PackageParser.Activity a = pkg.receivers.get(i); 6314 mReceivers.removeActivity(a, "receiver"); 6315 if (DEBUG_REMOVE && chatty) { 6316 if (r == null) { 6317 r = new StringBuilder(256); 6318 } else { 6319 r.append(' '); 6320 } 6321 r.append(a.info.name); 6322 } 6323 } 6324 if (r != null) { 6325 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6326 } 6327 6328 N = pkg.activities.size(); 6329 r = null; 6330 for (i=0; i<N; i++) { 6331 PackageParser.Activity a = pkg.activities.get(i); 6332 mActivities.removeActivity(a, "activity"); 6333 if (DEBUG_REMOVE && chatty) { 6334 if (r == null) { 6335 r = new StringBuilder(256); 6336 } else { 6337 r.append(' '); 6338 } 6339 r.append(a.info.name); 6340 } 6341 } 6342 if (r != null) { 6343 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6344 } 6345 6346 N = pkg.permissions.size(); 6347 r = null; 6348 for (i=0; i<N; i++) { 6349 PackageParser.Permission p = pkg.permissions.get(i); 6350 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6351 if (bp == null) { 6352 bp = mSettings.mPermissionTrees.get(p.info.name); 6353 } 6354 if (bp != null && bp.perm == p) { 6355 bp.perm = null; 6356 if (DEBUG_REMOVE && chatty) { 6357 if (r == null) { 6358 r = new StringBuilder(256); 6359 } else { 6360 r.append(' '); 6361 } 6362 r.append(p.info.name); 6363 } 6364 } 6365 } 6366 if (r != null) { 6367 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6368 } 6369 6370 N = pkg.instrumentation.size(); 6371 r = null; 6372 for (i=0; i<N; i++) { 6373 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6374 mInstrumentation.remove(a.getComponentName()); 6375 if (DEBUG_REMOVE && chatty) { 6376 if (r == null) { 6377 r = new StringBuilder(256); 6378 } else { 6379 r.append(' '); 6380 } 6381 r.append(a.info.name); 6382 } 6383 } 6384 if (r != null) { 6385 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6386 } 6387 6388 r = null; 6389 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6390 // Only system apps can hold shared libraries. 6391 if (pkg.libraryNames != null) { 6392 for (i=0; i<pkg.libraryNames.size(); i++) { 6393 String name = pkg.libraryNames.get(i); 6394 SharedLibraryEntry cur = mSharedLibraries.get(name); 6395 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6396 mSharedLibraries.remove(name); 6397 if (DEBUG_REMOVE && chatty) { 6398 if (r == null) { 6399 r = new StringBuilder(256); 6400 } else { 6401 r.append(' '); 6402 } 6403 r.append(name); 6404 } 6405 } 6406 } 6407 } 6408 } 6409 if (r != null) { 6410 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6411 } 6412 } 6413 6414 private static final boolean isPackageFilename(String name) { 6415 return name != null && name.endsWith(".apk"); 6416 } 6417 6418 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6419 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6420 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6421 return true; 6422 } 6423 } 6424 return false; 6425 } 6426 6427 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6428 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6429 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6430 6431 private void updatePermissionsLPw(String changingPkg, 6432 PackageParser.Package pkgInfo, int flags) { 6433 // Make sure there are no dangling permission trees. 6434 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6435 while (it.hasNext()) { 6436 final BasePermission bp = it.next(); 6437 if (bp.packageSetting == null) { 6438 // We may not yet have parsed the package, so just see if 6439 // we still know about its settings. 6440 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6441 } 6442 if (bp.packageSetting == null) { 6443 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6444 + " from package " + bp.sourcePackage); 6445 it.remove(); 6446 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6447 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6448 Slog.i(TAG, "Removing old permission tree: " + bp.name 6449 + " from package " + bp.sourcePackage); 6450 flags |= UPDATE_PERMISSIONS_ALL; 6451 it.remove(); 6452 } 6453 } 6454 } 6455 6456 // Make sure all dynamic permissions have been assigned to a package, 6457 // and make sure there are no dangling permissions. 6458 it = mSettings.mPermissions.values().iterator(); 6459 while (it.hasNext()) { 6460 final BasePermission bp = it.next(); 6461 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6462 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6463 + bp.name + " pkg=" + bp.sourcePackage 6464 + " info=" + bp.pendingInfo); 6465 if (bp.packageSetting == null && bp.pendingInfo != null) { 6466 final BasePermission tree = findPermissionTreeLP(bp.name); 6467 if (tree != null && tree.perm != null) { 6468 bp.packageSetting = tree.packageSetting; 6469 bp.perm = new PackageParser.Permission(tree.perm.owner, 6470 new PermissionInfo(bp.pendingInfo)); 6471 bp.perm.info.packageName = tree.perm.info.packageName; 6472 bp.perm.info.name = bp.name; 6473 bp.uid = tree.uid; 6474 } 6475 } 6476 } 6477 if (bp.packageSetting == null) { 6478 // We may not yet have parsed the package, so just see if 6479 // we still know about its settings. 6480 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6481 } 6482 if (bp.packageSetting == null) { 6483 Slog.w(TAG, "Removing dangling permission: " + bp.name 6484 + " from package " + bp.sourcePackage); 6485 it.remove(); 6486 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6487 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6488 Slog.i(TAG, "Removing old permission: " + bp.name 6489 + " from package " + bp.sourcePackage); 6490 flags |= UPDATE_PERMISSIONS_ALL; 6491 it.remove(); 6492 } 6493 } 6494 } 6495 6496 // Now update the permissions for all packages, in particular 6497 // replace the granted permissions of the system packages. 6498 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6499 for (PackageParser.Package pkg : mPackages.values()) { 6500 if (pkg != pkgInfo) { 6501 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 6502 } 6503 } 6504 } 6505 6506 if (pkgInfo != null) { 6507 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 6508 } 6509 } 6510 6511 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 6512 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6513 if (ps == null) { 6514 return; 6515 } 6516 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6517 HashSet<String> origPermissions = gp.grantedPermissions; 6518 boolean changedPermission = false; 6519 6520 if (replace) { 6521 ps.permissionsFixed = false; 6522 if (gp == ps) { 6523 origPermissions = new HashSet<String>(gp.grantedPermissions); 6524 gp.grantedPermissions.clear(); 6525 gp.gids = mGlobalGids; 6526 } 6527 } 6528 6529 if (gp.gids == null) { 6530 gp.gids = mGlobalGids; 6531 } 6532 6533 final int N = pkg.requestedPermissions.size(); 6534 for (int i=0; i<N; i++) { 6535 final String name = pkg.requestedPermissions.get(i); 6536 final boolean required = pkg.requestedPermissionsRequired.get(i); 6537 final BasePermission bp = mSettings.mPermissions.get(name); 6538 if (DEBUG_INSTALL) { 6539 if (gp != ps) { 6540 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6541 } 6542 } 6543 6544 if (bp == null || bp.packageSetting == null) { 6545 Slog.w(TAG, "Unknown permission " + name 6546 + " in package " + pkg.packageName); 6547 continue; 6548 } 6549 6550 final String perm = bp.name; 6551 boolean allowed; 6552 boolean allowedSig = false; 6553 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6554 if (level == PermissionInfo.PROTECTION_NORMAL 6555 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6556 // We grant a normal or dangerous permission if any of the following 6557 // are true: 6558 // 1) The permission is required 6559 // 2) The permission is optional, but was granted in the past 6560 // 3) The permission is optional, but was requested by an 6561 // app in /system (not /data) 6562 // 6563 // Otherwise, reject the permission. 6564 allowed = (required || origPermissions.contains(perm) 6565 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6566 } else if (bp.packageSetting == null) { 6567 // This permission is invalid; skip it. 6568 allowed = false; 6569 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6570 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 6571 if (allowed) { 6572 allowedSig = true; 6573 } 6574 } else { 6575 allowed = false; 6576 } 6577 if (DEBUG_INSTALL) { 6578 if (gp != ps) { 6579 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 6580 } 6581 } 6582 if (allowed) { 6583 if (!isSystemApp(ps) && ps.permissionsFixed) { 6584 // If this is an existing, non-system package, then 6585 // we can't add any new permissions to it. 6586 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 6587 // Except... if this is a permission that was added 6588 // to the platform (note: need to only do this when 6589 // updating the platform). 6590 allowed = isNewPlatformPermissionForPackage(perm, pkg); 6591 } 6592 } 6593 if (allowed) { 6594 if (!gp.grantedPermissions.contains(perm)) { 6595 changedPermission = true; 6596 gp.grantedPermissions.add(perm); 6597 gp.gids = appendInts(gp.gids, bp.gids); 6598 } else if (!ps.haveGids) { 6599 gp.gids = appendInts(gp.gids, bp.gids); 6600 } 6601 } else { 6602 Slog.w(TAG, "Not granting permission " + perm 6603 + " to package " + pkg.packageName 6604 + " because it was previously installed without"); 6605 } 6606 } else { 6607 if (gp.grantedPermissions.remove(perm)) { 6608 changedPermission = true; 6609 gp.gids = removeInts(gp.gids, bp.gids); 6610 Slog.i(TAG, "Un-granting permission " + perm 6611 + " from package " + pkg.packageName 6612 + " (protectionLevel=" + bp.protectionLevel 6613 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6614 + ")"); 6615 } else { 6616 Slog.w(TAG, "Not granting permission " + perm 6617 + " to package " + pkg.packageName 6618 + " (protectionLevel=" + bp.protectionLevel 6619 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 6620 + ")"); 6621 } 6622 } 6623 } 6624 6625 if ((changedPermission || replace) && !ps.permissionsFixed && 6626 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 6627 // This is the first that we have heard about this package, so the 6628 // permissions we have now selected are fixed until explicitly 6629 // changed. 6630 ps.permissionsFixed = true; 6631 } 6632 ps.haveGids = true; 6633 } 6634 6635 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 6636 boolean allowed = false; 6637 final int NP = PackageParser.NEW_PERMISSIONS.length; 6638 for (int ip=0; ip<NP; ip++) { 6639 final PackageParser.NewPermissionInfo npi 6640 = PackageParser.NEW_PERMISSIONS[ip]; 6641 if (npi.name.equals(perm) 6642 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 6643 allowed = true; 6644 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 6645 + pkg.packageName); 6646 break; 6647 } 6648 } 6649 return allowed; 6650 } 6651 6652 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 6653 BasePermission bp, HashSet<String> origPermissions) { 6654 boolean allowed; 6655 allowed = (compareSignatures( 6656 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 6657 == PackageManager.SIGNATURE_MATCH) 6658 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 6659 == PackageManager.SIGNATURE_MATCH); 6660 if (!allowed && (bp.protectionLevel 6661 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 6662 if (isSystemApp(pkg)) { 6663 // For updated system applications, a system permission 6664 // is granted only if it had been defined by the original application. 6665 if (isUpdatedSystemApp(pkg)) { 6666 final PackageSetting sysPs = mSettings 6667 .getDisabledSystemPkgLPr(pkg.packageName); 6668 final GrantedPermissions origGp = sysPs.sharedUser != null 6669 ? sysPs.sharedUser : sysPs; 6670 6671 if (origGp.grantedPermissions.contains(perm)) { 6672 // If the original was granted this permission, we take 6673 // that grant decision as read and propagate it to the 6674 // update. 6675 allowed = true; 6676 } else { 6677 // The system apk may have been updated with an older 6678 // version of the one on the data partition, but which 6679 // granted a new system permission that it didn't have 6680 // before. In this case we do want to allow the app to 6681 // now get the new permission if the ancestral apk is 6682 // privileged to get it. 6683 if (sysPs.pkg != null && sysPs.isPrivileged()) { 6684 for (int j=0; 6685 j<sysPs.pkg.requestedPermissions.size(); j++) { 6686 if (perm.equals( 6687 sysPs.pkg.requestedPermissions.get(j))) { 6688 allowed = true; 6689 break; 6690 } 6691 } 6692 } 6693 } 6694 } else { 6695 allowed = isPrivilegedApp(pkg); 6696 } 6697 } 6698 } 6699 if (!allowed && (bp.protectionLevel 6700 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 6701 // For development permissions, a development permission 6702 // is granted only if it was already granted. 6703 allowed = origPermissions.contains(perm); 6704 } 6705 return allowed; 6706 } 6707 6708 final class ActivityIntentResolver 6709 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 6710 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6711 boolean defaultOnly, int userId) { 6712 if (!sUserManager.exists(userId)) return null; 6713 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6714 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6715 } 6716 6717 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6718 int userId) { 6719 if (!sUserManager.exists(userId)) return null; 6720 mFlags = flags; 6721 return super.queryIntent(intent, resolvedType, 6722 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6723 } 6724 6725 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6726 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 6727 if (!sUserManager.exists(userId)) return null; 6728 if (packageActivities == null) { 6729 return null; 6730 } 6731 mFlags = flags; 6732 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6733 final int N = packageActivities.size(); 6734 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 6735 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 6736 6737 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 6738 for (int i = 0; i < N; ++i) { 6739 intentFilters = packageActivities.get(i).intents; 6740 if (intentFilters != null && intentFilters.size() > 0) { 6741 PackageParser.ActivityIntentInfo[] array = 6742 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 6743 intentFilters.toArray(array); 6744 listCut.add(array); 6745 } 6746 } 6747 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6748 } 6749 6750 public final void addActivity(PackageParser.Activity a, String type) { 6751 final boolean systemApp = isSystemApp(a.info.applicationInfo); 6752 mActivities.put(a.getComponentName(), a); 6753 if (DEBUG_SHOW_INFO) 6754 Log.v( 6755 TAG, " " + type + " " + 6756 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 6757 if (DEBUG_SHOW_INFO) 6758 Log.v(TAG, " Class=" + a.info.name); 6759 final int NI = a.intents.size(); 6760 for (int j=0; j<NI; j++) { 6761 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6762 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 6763 intent.setPriority(0); 6764 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 6765 + a.className + " with priority > 0, forcing to 0"); 6766 } 6767 if (DEBUG_SHOW_INFO) { 6768 Log.v(TAG, " IntentFilter:"); 6769 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6770 } 6771 if (!intent.debugCheck()) { 6772 Log.w(TAG, "==> For Activity " + a.info.name); 6773 } 6774 addFilter(intent); 6775 } 6776 } 6777 6778 public final void removeActivity(PackageParser.Activity a, String type) { 6779 mActivities.remove(a.getComponentName()); 6780 if (DEBUG_SHOW_INFO) { 6781 Log.v(TAG, " " + type + " " 6782 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 6783 : a.info.name) + ":"); 6784 Log.v(TAG, " Class=" + a.info.name); 6785 } 6786 final int NI = a.intents.size(); 6787 for (int j=0; j<NI; j++) { 6788 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 6789 if (DEBUG_SHOW_INFO) { 6790 Log.v(TAG, " IntentFilter:"); 6791 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6792 } 6793 removeFilter(intent); 6794 } 6795 } 6796 6797 @Override 6798 protected boolean allowFilterResult( 6799 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 6800 ActivityInfo filterAi = filter.activity.info; 6801 for (int i=dest.size()-1; i>=0; i--) { 6802 ActivityInfo destAi = dest.get(i).activityInfo; 6803 if (destAi.name == filterAi.name 6804 && destAi.packageName == filterAi.packageName) { 6805 return false; 6806 } 6807 } 6808 return true; 6809 } 6810 6811 @Override 6812 protected ActivityIntentInfo[] newArray(int size) { 6813 return new ActivityIntentInfo[size]; 6814 } 6815 6816 @Override 6817 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 6818 if (!sUserManager.exists(userId)) return true; 6819 PackageParser.Package p = filter.activity.owner; 6820 if (p != null) { 6821 PackageSetting ps = (PackageSetting)p.mExtras; 6822 if (ps != null) { 6823 // System apps are never considered stopped for purposes of 6824 // filtering, because there may be no way for the user to 6825 // actually re-launch them. 6826 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6827 && ps.getStopped(userId); 6828 } 6829 } 6830 return false; 6831 } 6832 6833 @Override 6834 protected boolean isPackageForFilter(String packageName, 6835 PackageParser.ActivityIntentInfo info) { 6836 return packageName.equals(info.activity.owner.packageName); 6837 } 6838 6839 @Override 6840 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6841 int match, int userId) { 6842 if (!sUserManager.exists(userId)) return null; 6843 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6844 return null; 6845 } 6846 final PackageParser.Activity activity = info.activity; 6847 if (mSafeMode && (activity.info.applicationInfo.flags 6848 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6849 return null; 6850 } 6851 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6852 if (ps == null) { 6853 return null; 6854 } 6855 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6856 ps.readUserState(userId), userId); 6857 if (ai == null) { 6858 return null; 6859 } 6860 final ResolveInfo res = new ResolveInfo(); 6861 res.activityInfo = ai; 6862 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6863 res.filter = info; 6864 } 6865 res.priority = info.getPriority(); 6866 res.preferredOrder = activity.owner.mPreferredOrder; 6867 //System.out.println("Result: " + res.activityInfo.className + 6868 // " = " + res.priority); 6869 res.match = match; 6870 res.isDefault = info.hasDefault; 6871 res.labelRes = info.labelRes; 6872 res.nonLocalizedLabel = info.nonLocalizedLabel; 6873 res.icon = info.icon; 6874 res.system = isSystemApp(res.activityInfo.applicationInfo); 6875 return res; 6876 } 6877 6878 @Override 6879 protected void sortResults(List<ResolveInfo> results) { 6880 Collections.sort(results, mResolvePrioritySorter); 6881 } 6882 6883 @Override 6884 protected void dumpFilter(PrintWriter out, String prefix, 6885 PackageParser.ActivityIntentInfo filter) { 6886 out.print(prefix); out.print( 6887 Integer.toHexString(System.identityHashCode(filter.activity))); 6888 out.print(' '); 6889 filter.activity.printComponentShortName(out); 6890 out.print(" filter "); 6891 out.println(Integer.toHexString(System.identityHashCode(filter))); 6892 } 6893 6894// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6895// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6896// final List<ResolveInfo> retList = Lists.newArrayList(); 6897// while (i.hasNext()) { 6898// final ResolveInfo resolveInfo = i.next(); 6899// if (isEnabledLP(resolveInfo.activityInfo)) { 6900// retList.add(resolveInfo); 6901// } 6902// } 6903// return retList; 6904// } 6905 6906 // Keys are String (activity class name), values are Activity. 6907 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6908 = new HashMap<ComponentName, PackageParser.Activity>(); 6909 private int mFlags; 6910 } 6911 6912 private final class ServiceIntentResolver 6913 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6914 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6915 boolean defaultOnly, int userId) { 6916 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6917 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6918 } 6919 6920 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6921 int userId) { 6922 if (!sUserManager.exists(userId)) return null; 6923 mFlags = flags; 6924 return super.queryIntent(intent, resolvedType, 6925 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6926 } 6927 6928 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6929 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6930 if (!sUserManager.exists(userId)) return null; 6931 if (packageServices == null) { 6932 return null; 6933 } 6934 mFlags = flags; 6935 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6936 final int N = packageServices.size(); 6937 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6938 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6939 6940 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6941 for (int i = 0; i < N; ++i) { 6942 intentFilters = packageServices.get(i).intents; 6943 if (intentFilters != null && intentFilters.size() > 0) { 6944 PackageParser.ServiceIntentInfo[] array = 6945 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6946 intentFilters.toArray(array); 6947 listCut.add(array); 6948 } 6949 } 6950 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6951 } 6952 6953 public final void addService(PackageParser.Service s) { 6954 mServices.put(s.getComponentName(), s); 6955 if (DEBUG_SHOW_INFO) { 6956 Log.v(TAG, " " 6957 + (s.info.nonLocalizedLabel != null 6958 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6959 Log.v(TAG, " Class=" + s.info.name); 6960 } 6961 final int NI = s.intents.size(); 6962 int j; 6963 for (j=0; j<NI; j++) { 6964 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6965 if (DEBUG_SHOW_INFO) { 6966 Log.v(TAG, " IntentFilter:"); 6967 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6968 } 6969 if (!intent.debugCheck()) { 6970 Log.w(TAG, "==> For Service " + s.info.name); 6971 } 6972 addFilter(intent); 6973 } 6974 } 6975 6976 public final void removeService(PackageParser.Service s) { 6977 mServices.remove(s.getComponentName()); 6978 if (DEBUG_SHOW_INFO) { 6979 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6980 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6981 Log.v(TAG, " Class=" + s.info.name); 6982 } 6983 final int NI = s.intents.size(); 6984 int j; 6985 for (j=0; j<NI; j++) { 6986 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6987 if (DEBUG_SHOW_INFO) { 6988 Log.v(TAG, " IntentFilter:"); 6989 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6990 } 6991 removeFilter(intent); 6992 } 6993 } 6994 6995 @Override 6996 protected boolean allowFilterResult( 6997 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6998 ServiceInfo filterSi = filter.service.info; 6999 for (int i=dest.size()-1; i>=0; i--) { 7000 ServiceInfo destAi = dest.get(i).serviceInfo; 7001 if (destAi.name == filterSi.name 7002 && destAi.packageName == filterSi.packageName) { 7003 return false; 7004 } 7005 } 7006 return true; 7007 } 7008 7009 @Override 7010 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7011 return new PackageParser.ServiceIntentInfo[size]; 7012 } 7013 7014 @Override 7015 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7016 if (!sUserManager.exists(userId)) return true; 7017 PackageParser.Package p = filter.service.owner; 7018 if (p != null) { 7019 PackageSetting ps = (PackageSetting)p.mExtras; 7020 if (ps != null) { 7021 // System apps are never considered stopped for purposes of 7022 // filtering, because there may be no way for the user to 7023 // actually re-launch them. 7024 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7025 && ps.getStopped(userId); 7026 } 7027 } 7028 return false; 7029 } 7030 7031 @Override 7032 protected boolean isPackageForFilter(String packageName, 7033 PackageParser.ServiceIntentInfo info) { 7034 return packageName.equals(info.service.owner.packageName); 7035 } 7036 7037 @Override 7038 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7039 int match, int userId) { 7040 if (!sUserManager.exists(userId)) return null; 7041 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7042 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7043 return null; 7044 } 7045 final PackageParser.Service service = info.service; 7046 if (mSafeMode && (service.info.applicationInfo.flags 7047 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7048 return null; 7049 } 7050 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7051 if (ps == null) { 7052 return null; 7053 } 7054 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7055 ps.readUserState(userId), userId); 7056 if (si == null) { 7057 return null; 7058 } 7059 final ResolveInfo res = new ResolveInfo(); 7060 res.serviceInfo = si; 7061 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7062 res.filter = filter; 7063 } 7064 res.priority = info.getPriority(); 7065 res.preferredOrder = service.owner.mPreferredOrder; 7066 //System.out.println("Result: " + res.activityInfo.className + 7067 // " = " + res.priority); 7068 res.match = match; 7069 res.isDefault = info.hasDefault; 7070 res.labelRes = info.labelRes; 7071 res.nonLocalizedLabel = info.nonLocalizedLabel; 7072 res.icon = info.icon; 7073 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7074 return res; 7075 } 7076 7077 @Override 7078 protected void sortResults(List<ResolveInfo> results) { 7079 Collections.sort(results, mResolvePrioritySorter); 7080 } 7081 7082 @Override 7083 protected void dumpFilter(PrintWriter out, String prefix, 7084 PackageParser.ServiceIntentInfo filter) { 7085 out.print(prefix); out.print( 7086 Integer.toHexString(System.identityHashCode(filter.service))); 7087 out.print(' '); 7088 filter.service.printComponentShortName(out); 7089 out.print(" filter "); 7090 out.println(Integer.toHexString(System.identityHashCode(filter))); 7091 } 7092 7093// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7094// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7095// final List<ResolveInfo> retList = Lists.newArrayList(); 7096// while (i.hasNext()) { 7097// final ResolveInfo resolveInfo = (ResolveInfo) i; 7098// if (isEnabledLP(resolveInfo.serviceInfo)) { 7099// retList.add(resolveInfo); 7100// } 7101// } 7102// return retList; 7103// } 7104 7105 // Keys are String (activity class name), values are Activity. 7106 private final HashMap<ComponentName, PackageParser.Service> mServices 7107 = new HashMap<ComponentName, PackageParser.Service>(); 7108 private int mFlags; 7109 }; 7110 7111 private final class ProviderIntentResolver 7112 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7113 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7114 boolean defaultOnly, int userId) { 7115 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7116 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7117 } 7118 7119 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7120 int userId) { 7121 if (!sUserManager.exists(userId)) 7122 return null; 7123 mFlags = flags; 7124 return super.queryIntent(intent, resolvedType, 7125 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7126 } 7127 7128 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7129 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7130 if (!sUserManager.exists(userId)) 7131 return null; 7132 if (packageProviders == null) { 7133 return null; 7134 } 7135 mFlags = flags; 7136 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7137 final int N = packageProviders.size(); 7138 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7139 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7140 7141 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7142 for (int i = 0; i < N; ++i) { 7143 intentFilters = packageProviders.get(i).intents; 7144 if (intentFilters != null && intentFilters.size() > 0) { 7145 PackageParser.ProviderIntentInfo[] array = 7146 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7147 intentFilters.toArray(array); 7148 listCut.add(array); 7149 } 7150 } 7151 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7152 } 7153 7154 public final void addProvider(PackageParser.Provider p) { 7155 if (mProviders.containsKey(p.getComponentName())) { 7156 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7157 return; 7158 } 7159 7160 mProviders.put(p.getComponentName(), p); 7161 if (DEBUG_SHOW_INFO) { 7162 Log.v(TAG, " " 7163 + (p.info.nonLocalizedLabel != null 7164 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7165 Log.v(TAG, " Class=" + p.info.name); 7166 } 7167 final int NI = p.intents.size(); 7168 int j; 7169 for (j = 0; j < NI; j++) { 7170 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7171 if (DEBUG_SHOW_INFO) { 7172 Log.v(TAG, " IntentFilter:"); 7173 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7174 } 7175 if (!intent.debugCheck()) { 7176 Log.w(TAG, "==> For Provider " + p.info.name); 7177 } 7178 addFilter(intent); 7179 } 7180 } 7181 7182 public final void removeProvider(PackageParser.Provider p) { 7183 mProviders.remove(p.getComponentName()); 7184 if (DEBUG_SHOW_INFO) { 7185 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7186 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7187 Log.v(TAG, " Class=" + p.info.name); 7188 } 7189 final int NI = p.intents.size(); 7190 int j; 7191 for (j = 0; j < NI; j++) { 7192 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7193 if (DEBUG_SHOW_INFO) { 7194 Log.v(TAG, " IntentFilter:"); 7195 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7196 } 7197 removeFilter(intent); 7198 } 7199 } 7200 7201 @Override 7202 protected boolean allowFilterResult( 7203 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7204 ProviderInfo filterPi = filter.provider.info; 7205 for (int i = dest.size() - 1; i >= 0; i--) { 7206 ProviderInfo destPi = dest.get(i).providerInfo; 7207 if (destPi.name == filterPi.name 7208 && destPi.packageName == filterPi.packageName) { 7209 return false; 7210 } 7211 } 7212 return true; 7213 } 7214 7215 @Override 7216 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7217 return new PackageParser.ProviderIntentInfo[size]; 7218 } 7219 7220 @Override 7221 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7222 if (!sUserManager.exists(userId)) 7223 return true; 7224 PackageParser.Package p = filter.provider.owner; 7225 if (p != null) { 7226 PackageSetting ps = (PackageSetting) p.mExtras; 7227 if (ps != null) { 7228 // System apps are never considered stopped for purposes of 7229 // filtering, because there may be no way for the user to 7230 // actually re-launch them. 7231 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7232 && ps.getStopped(userId); 7233 } 7234 } 7235 return false; 7236 } 7237 7238 @Override 7239 protected boolean isPackageForFilter(String packageName, 7240 PackageParser.ProviderIntentInfo info) { 7241 return packageName.equals(info.provider.owner.packageName); 7242 } 7243 7244 @Override 7245 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7246 int match, int userId) { 7247 if (!sUserManager.exists(userId)) 7248 return null; 7249 final PackageParser.ProviderIntentInfo info = filter; 7250 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7251 return null; 7252 } 7253 final PackageParser.Provider provider = info.provider; 7254 if (mSafeMode && (provider.info.applicationInfo.flags 7255 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7256 return null; 7257 } 7258 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7259 if (ps == null) { 7260 return null; 7261 } 7262 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7263 ps.readUserState(userId), userId); 7264 if (pi == null) { 7265 return null; 7266 } 7267 final ResolveInfo res = new ResolveInfo(); 7268 res.providerInfo = pi; 7269 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7270 res.filter = filter; 7271 } 7272 res.priority = info.getPriority(); 7273 res.preferredOrder = provider.owner.mPreferredOrder; 7274 res.match = match; 7275 res.isDefault = info.hasDefault; 7276 res.labelRes = info.labelRes; 7277 res.nonLocalizedLabel = info.nonLocalizedLabel; 7278 res.icon = info.icon; 7279 res.system = isSystemApp(res.providerInfo.applicationInfo); 7280 return res; 7281 } 7282 7283 @Override 7284 protected void sortResults(List<ResolveInfo> results) { 7285 Collections.sort(results, mResolvePrioritySorter); 7286 } 7287 7288 @Override 7289 protected void dumpFilter(PrintWriter out, String prefix, 7290 PackageParser.ProviderIntentInfo filter) { 7291 out.print(prefix); 7292 out.print( 7293 Integer.toHexString(System.identityHashCode(filter.provider))); 7294 out.print(' '); 7295 filter.provider.printComponentShortName(out); 7296 out.print(" filter "); 7297 out.println(Integer.toHexString(System.identityHashCode(filter))); 7298 } 7299 7300 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7301 = new HashMap<ComponentName, PackageParser.Provider>(); 7302 private int mFlags; 7303 }; 7304 7305 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7306 new Comparator<ResolveInfo>() { 7307 public int compare(ResolveInfo r1, ResolveInfo r2) { 7308 int v1 = r1.priority; 7309 int v2 = r2.priority; 7310 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7311 if (v1 != v2) { 7312 return (v1 > v2) ? -1 : 1; 7313 } 7314 v1 = r1.preferredOrder; 7315 v2 = r2.preferredOrder; 7316 if (v1 != v2) { 7317 return (v1 > v2) ? -1 : 1; 7318 } 7319 if (r1.isDefault != r2.isDefault) { 7320 return r1.isDefault ? -1 : 1; 7321 } 7322 v1 = r1.match; 7323 v2 = r2.match; 7324 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7325 if (v1 != v2) { 7326 return (v1 > v2) ? -1 : 1; 7327 } 7328 if (r1.system != r2.system) { 7329 return r1.system ? -1 : 1; 7330 } 7331 return 0; 7332 } 7333 }; 7334 7335 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7336 new Comparator<ProviderInfo>() { 7337 public int compare(ProviderInfo p1, ProviderInfo p2) { 7338 final int v1 = p1.initOrder; 7339 final int v2 = p2.initOrder; 7340 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7341 } 7342 }; 7343 7344 static final void sendPackageBroadcast(String action, String pkg, 7345 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7346 int[] userIds) { 7347 IActivityManager am = ActivityManagerNative.getDefault(); 7348 if (am != null) { 7349 try { 7350 if (userIds == null) { 7351 userIds = am.getRunningUserIds(); 7352 } 7353 for (int id : userIds) { 7354 final Intent intent = new Intent(action, 7355 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7356 if (extras != null) { 7357 intent.putExtras(extras); 7358 } 7359 if (targetPkg != null) { 7360 intent.setPackage(targetPkg); 7361 } 7362 // Modify the UID when posting to other users 7363 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7364 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7365 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7366 intent.putExtra(Intent.EXTRA_UID, uid); 7367 } 7368 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7369 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7370 if (DEBUG_BROADCASTS) { 7371 RuntimeException here = new RuntimeException("here"); 7372 here.fillInStackTrace(); 7373 Slog.d(TAG, "Sending to user " + id + ": " 7374 + intent.toShortString(false, true, false, false) 7375 + " " + intent.getExtras(), here); 7376 } 7377 am.broadcastIntent(null, intent, null, finishedReceiver, 7378 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7379 finishedReceiver != null, false, id); 7380 } 7381 } catch (RemoteException ex) { 7382 } 7383 } 7384 } 7385 7386 /** 7387 * Check if the external storage media is available. This is true if there 7388 * is a mounted external storage medium or if the external storage is 7389 * emulated. 7390 */ 7391 private boolean isExternalMediaAvailable() { 7392 return mMediaMounted || Environment.isExternalStorageEmulated(); 7393 } 7394 7395 @Override 7396 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7397 // writer 7398 synchronized (mPackages) { 7399 if (!isExternalMediaAvailable()) { 7400 // If the external storage is no longer mounted at this point, 7401 // the caller may not have been able to delete all of this 7402 // packages files and can not delete any more. Bail. 7403 return null; 7404 } 7405 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7406 if (lastPackage != null) { 7407 pkgs.remove(lastPackage); 7408 } 7409 if (pkgs.size() > 0) { 7410 return pkgs.get(0); 7411 } 7412 } 7413 return null; 7414 } 7415 7416 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7417 if (false) { 7418 RuntimeException here = new RuntimeException("here"); 7419 here.fillInStackTrace(); 7420 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 7421 + " andCode=" + andCode, here); 7422 } 7423 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 7424 userId, andCode ? 1 : 0, packageName)); 7425 } 7426 7427 void startCleaningPackages() { 7428 // reader 7429 synchronized (mPackages) { 7430 if (!isExternalMediaAvailable()) { 7431 return; 7432 } 7433 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7434 return; 7435 } 7436 } 7437 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7438 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7439 IActivityManager am = ActivityManagerNative.getDefault(); 7440 if (am != null) { 7441 try { 7442 am.startService(null, intent, null, UserHandle.USER_OWNER); 7443 } catch (RemoteException e) { 7444 } 7445 } 7446 } 7447 7448 private final class AppDirObserver extends FileObserver { 7449 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 7450 super(path, mask); 7451 mRootDir = path; 7452 mIsRom = isrom; 7453 mIsPrivileged = isPrivileged; 7454 } 7455 7456 public void onEvent(int event, String path) { 7457 String removedPackage = null; 7458 int removedAppId = -1; 7459 int[] removedUsers = null; 7460 String addedPackage = null; 7461 int addedAppId = -1; 7462 int[] addedUsers = null; 7463 7464 // TODO post a message to the handler to obtain serial ordering 7465 synchronized (mInstallLock) { 7466 String fullPathStr = null; 7467 File fullPath = null; 7468 if (path != null) { 7469 fullPath = new File(mRootDir, path); 7470 fullPathStr = fullPath.getPath(); 7471 } 7472 7473 if (DEBUG_APP_DIR_OBSERVER) 7474 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 7475 7476 if (!isPackageFilename(path)) { 7477 if (DEBUG_APP_DIR_OBSERVER) 7478 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 7479 return; 7480 } 7481 7482 // Ignore packages that are being installed or 7483 // have just been installed. 7484 if (ignoreCodePath(fullPathStr)) { 7485 return; 7486 } 7487 PackageParser.Package p = null; 7488 PackageSetting ps = null; 7489 // reader 7490 synchronized (mPackages) { 7491 p = mAppDirs.get(fullPathStr); 7492 if (p != null) { 7493 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 7494 if (ps != null) { 7495 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 7496 } else { 7497 removedUsers = sUserManager.getUserIds(); 7498 } 7499 } 7500 addedUsers = sUserManager.getUserIds(); 7501 } 7502 if ((event&REMOVE_EVENTS) != 0) { 7503 if (ps != null) { 7504 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 7505 removePackageLI(ps, true); 7506 removedPackage = ps.name; 7507 removedAppId = ps.appId; 7508 } 7509 } 7510 7511 if ((event&ADD_EVENTS) != 0) { 7512 if (p == null) { 7513 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 7514 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 7515 if (mIsRom) { 7516 flags |= PackageParser.PARSE_IS_SYSTEM 7517 | PackageParser.PARSE_IS_SYSTEM_DIR; 7518 if (mIsPrivileged) { 7519 flags |= PackageParser.PARSE_IS_PRIVILEGED; 7520 } 7521 } 7522 p = scanPackageLI(fullPath, flags, 7523 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 7524 System.currentTimeMillis(), UserHandle.ALL, null); 7525 if (p != null) { 7526 /* 7527 * TODO this seems dangerous as the package may have 7528 * changed since we last acquired the mPackages 7529 * lock. 7530 */ 7531 // writer 7532 synchronized (mPackages) { 7533 updatePermissionsLPw(p.packageName, p, 7534 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 7535 } 7536 addedPackage = p.applicationInfo.packageName; 7537 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 7538 } 7539 } 7540 } 7541 7542 // reader 7543 synchronized (mPackages) { 7544 mSettings.writeLPr(); 7545 } 7546 } 7547 7548 if (removedPackage != null) { 7549 Bundle extras = new Bundle(1); 7550 extras.putInt(Intent.EXTRA_UID, removedAppId); 7551 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 7552 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 7553 extras, null, null, removedUsers); 7554 } 7555 if (addedPackage != null) { 7556 Bundle extras = new Bundle(1); 7557 extras.putInt(Intent.EXTRA_UID, addedAppId); 7558 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 7559 extras, null, null, addedUsers); 7560 } 7561 } 7562 7563 private final String mRootDir; 7564 private final boolean mIsRom; 7565 private final boolean mIsPrivileged; 7566 } 7567 7568 /* 7569 * The old-style observer methods all just trampoline to the newer signature with 7570 * expanded install observer API. The older API continues to work but does not 7571 * supply the additional details of the Observer2 API. 7572 */ 7573 7574 /* Called when a downloaded package installation has been confirmed by the user */ 7575 public void installPackage( 7576 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 7577 installPackageEtc(packageURI, observer, null, flags, null); 7578 } 7579 7580 /* Called when a downloaded package installation has been confirmed by the user */ 7581 @Override 7582 public void installPackage( 7583 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 7584 final String installerPackageName) { 7585 installPackageWithVerificationEtc(packageURI, observer, null, flags, 7586 installerPackageName, null, null, null); 7587 } 7588 7589 @Override 7590 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 7591 int flags, String installerPackageName, Uri verificationURI, 7592 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7593 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7594 VerificationParams.NO_UID, manifestDigest); 7595 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7596 installerPackageName, verificationParams, encryptionParams); 7597 } 7598 7599 @Override 7600 public void installPackageWithVerificationAndEncryption(Uri packageURI, 7601 IPackageInstallObserver observer, int flags, String installerPackageName, 7602 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7603 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, null, flags, 7604 installerPackageName, verificationParams, encryptionParams); 7605 } 7606 7607 /* 7608 * And here are the "live" versions that take both observer arguments 7609 */ 7610 public void installPackageEtc( 7611 final Uri packageURI, final IPackageInstallObserver observer, 7612 IPackageInstallObserver2 observer2, final int flags) { 7613 installPackageEtc(packageURI, observer, observer2, flags, null); 7614 } 7615 7616 public void installPackageEtc( 7617 final Uri packageURI, final IPackageInstallObserver observer, 7618 final IPackageInstallObserver2 observer2, final int flags, 7619 final String installerPackageName) { 7620 installPackageWithVerificationEtc(packageURI, observer, observer2, flags, 7621 installerPackageName, null, null, null); 7622 } 7623 7624 @Override 7625 public void installPackageWithVerificationEtc(Uri packageURI, IPackageInstallObserver observer, 7626 IPackageInstallObserver2 observer2, 7627 int flags, String installerPackageName, Uri verificationURI, 7628 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 7629 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 7630 VerificationParams.NO_UID, manifestDigest); 7631 installPackageWithVerificationAndEncryptionEtc(packageURI, observer, observer2, flags, 7632 installerPackageName, verificationParams, encryptionParams); 7633 } 7634 7635 /* 7636 * All of the installPackage...*() methods redirect to this one for the master implementation 7637 */ 7638 public void installPackageWithVerificationAndEncryptionEtc(Uri packageURI, 7639 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7640 int flags, String installerPackageName, 7641 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 7642 if (observer == null && observer2 == null) { 7643 throw new IllegalArgumentException("No install observer supplied"); 7644 } 7645 installPackageWithVerificationEncryptionAndAbiOverrideEtc(packageURI, observer, observer2, 7646 flags, installerPackageName, verificationParams, encryptionParams, null); 7647 } 7648 7649 @Override 7650 public void installPackageWithVerificationEncryptionAndAbiOverrideEtc(Uri packageURI, 7651 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 7652 int flags, String installerPackageName, 7653 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams, 7654 String packageAbiOverride) { 7655 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7656 null); 7657 7658 final int uid = Binder.getCallingUid(); 7659 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 7660 try { 7661 if (observer != null) { 7662 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7663 } 7664 if (observer2 != null) { 7665 observer2.packageInstalled("", null, PackageManager.INSTALL_FAILED_USER_RESTRICTED); 7666 } 7667 } catch (RemoteException re) { 7668 } 7669 return; 7670 } 7671 7672 UserHandle user; 7673 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 7674 user = UserHandle.ALL; 7675 } else { 7676 user = new UserHandle(UserHandle.getUserId(uid)); 7677 } 7678 7679 final int filteredFlags; 7680 7681 if (uid == Process.SHELL_UID || uid == 0) { 7682 if (DEBUG_INSTALL) { 7683 Slog.v(TAG, "Install from ADB"); 7684 } 7685 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 7686 } else { 7687 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 7688 } 7689 7690 verificationParams.setInstallerUid(uid); 7691 7692 final Message msg = mHandler.obtainMessage(INIT_COPY); 7693 msg.obj = new InstallParams(packageURI, observer, observer2, filteredFlags, 7694 installerPackageName, verificationParams, encryptionParams, user, 7695 packageAbiOverride); 7696 mHandler.sendMessage(msg); 7697 } 7698 7699 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7700 Bundle extras = new Bundle(1); 7701 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7702 7703 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7704 packageName, extras, null, null, new int[] {userId}); 7705 try { 7706 IActivityManager am = ActivityManagerNative.getDefault(); 7707 final boolean isSystem = 7708 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7709 if (isSystem && am.isUserRunning(userId, false)) { 7710 // The just-installed/enabled app is bundled on the system, so presumed 7711 // to be able to run automatically without needing an explicit launch. 7712 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7713 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7714 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7715 .setPackage(packageName); 7716 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7717 android.app.AppOpsManager.OP_NONE, false, false, userId); 7718 } 7719 } catch (RemoteException e) { 7720 // shouldn't happen 7721 Slog.w(TAG, "Unable to bootstrap installed package", e); 7722 } 7723 } 7724 7725 @Override 7726 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 7727 int userId) { 7728 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7729 PackageSetting pkgSetting; 7730 final int uid = Binder.getCallingUid(); 7731 if (UserHandle.getUserId(uid) != userId) { 7732 mContext.enforceCallingOrSelfPermission( 7733 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 7734 "setApplicationBlockedSetting for user " + userId); 7735 } 7736 7737 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 7738 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 7739 return false; 7740 } 7741 7742 long callingId = Binder.clearCallingIdentity(); 7743 try { 7744 boolean sendAdded = false; 7745 boolean sendRemoved = false; 7746 // writer 7747 synchronized (mPackages) { 7748 pkgSetting = mSettings.mPackages.get(packageName); 7749 if (pkgSetting == null) { 7750 return false; 7751 } 7752 if (pkgSetting.getBlocked(userId) != blocked) { 7753 pkgSetting.setBlocked(blocked, userId); 7754 mSettings.writePackageRestrictionsLPr(userId); 7755 if (blocked) { 7756 sendRemoved = true; 7757 } else { 7758 sendAdded = true; 7759 } 7760 } 7761 } 7762 if (sendAdded) { 7763 sendPackageAddedForUser(packageName, pkgSetting, userId); 7764 return true; 7765 } 7766 if (sendRemoved) { 7767 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 7768 "blocking pkg"); 7769 sendPackageBlockedForUser(packageName, pkgSetting, userId); 7770 } 7771 } finally { 7772 Binder.restoreCallingIdentity(callingId); 7773 } 7774 return false; 7775 } 7776 7777 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 7778 int userId) { 7779 final PackageRemovedInfo info = new PackageRemovedInfo(); 7780 info.removedPackage = packageName; 7781 info.removedUsers = new int[] {userId}; 7782 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 7783 info.sendBroadcast(false, false, false); 7784 } 7785 7786 /** 7787 * Returns true if application is not found or there was an error. Otherwise it returns 7788 * the blocked state of the package for the given user. 7789 */ 7790 @Override 7791 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 7792 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7793 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 7794 "getApplicationBlocked for user " + userId); 7795 PackageSetting pkgSetting; 7796 long callingId = Binder.clearCallingIdentity(); 7797 try { 7798 // writer 7799 synchronized (mPackages) { 7800 pkgSetting = mSettings.mPackages.get(packageName); 7801 if (pkgSetting == null) { 7802 return true; 7803 } 7804 return pkgSetting.getBlocked(userId); 7805 } 7806 } finally { 7807 Binder.restoreCallingIdentity(callingId); 7808 } 7809 } 7810 7811 void installStage(String basePackageName, File stageDir, IPackageInstallObserver2 observer, 7812 int flags) { 7813 // TODO: install stage! 7814 try { 7815 observer.packageInstalled(basePackageName, null, 7816 PackageManager.INSTALL_FAILED_INTERNAL_ERROR); 7817 } catch (RemoteException ignored) { 7818 } 7819 } 7820 7821 /** 7822 * @hide 7823 */ 7824 @Override 7825 public int installExistingPackageAsUser(String packageName, int userId) { 7826 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 7827 null); 7828 PackageSetting pkgSetting; 7829 final int uid = Binder.getCallingUid(); 7830 enforceCrossUserPermission(uid, userId, true, "installExistingPackage for user " + userId); 7831 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7832 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 7833 } 7834 7835 long callingId = Binder.clearCallingIdentity(); 7836 try { 7837 boolean sendAdded = false; 7838 Bundle extras = new Bundle(1); 7839 7840 // writer 7841 synchronized (mPackages) { 7842 pkgSetting = mSettings.mPackages.get(packageName); 7843 if (pkgSetting == null) { 7844 return PackageManager.INSTALL_FAILED_INVALID_URI; 7845 } 7846 if (!pkgSetting.getInstalled(userId)) { 7847 pkgSetting.setInstalled(true, userId); 7848 pkgSetting.setBlocked(false, userId); 7849 mSettings.writePackageRestrictionsLPr(userId); 7850 sendAdded = true; 7851 } 7852 } 7853 7854 if (sendAdded) { 7855 sendPackageAddedForUser(packageName, pkgSetting, userId); 7856 } 7857 } finally { 7858 Binder.restoreCallingIdentity(callingId); 7859 } 7860 7861 return PackageManager.INSTALL_SUCCEEDED; 7862 } 7863 7864 boolean isUserRestricted(int userId, String restrictionKey) { 7865 Bundle restrictions = sUserManager.getUserRestrictions(userId); 7866 if (restrictions.getBoolean(restrictionKey, false)) { 7867 Log.w(TAG, "User is restricted: " + restrictionKey); 7868 return true; 7869 } 7870 return false; 7871 } 7872 7873 @Override 7874 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 7875 mContext.enforceCallingOrSelfPermission( 7876 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7877 "Only package verification agents can verify applications"); 7878 7879 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7880 final PackageVerificationResponse response = new PackageVerificationResponse( 7881 verificationCode, Binder.getCallingUid()); 7882 msg.arg1 = id; 7883 msg.obj = response; 7884 mHandler.sendMessage(msg); 7885 } 7886 7887 @Override 7888 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 7889 long millisecondsToDelay) { 7890 mContext.enforceCallingOrSelfPermission( 7891 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7892 "Only package verification agents can extend verification timeouts"); 7893 7894 final PackageVerificationState state = mPendingVerification.get(id); 7895 final PackageVerificationResponse response = new PackageVerificationResponse( 7896 verificationCodeAtTimeout, Binder.getCallingUid()); 7897 7898 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7899 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7900 } 7901 if (millisecondsToDelay < 0) { 7902 millisecondsToDelay = 0; 7903 } 7904 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7905 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7906 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7907 } 7908 7909 if ((state != null) && !state.timeoutExtended()) { 7910 state.extendTimeout(); 7911 7912 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7913 msg.arg1 = id; 7914 msg.obj = response; 7915 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7916 } 7917 } 7918 7919 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7920 int verificationCode, UserHandle user) { 7921 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7922 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7923 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7924 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7925 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7926 7927 mContext.sendBroadcastAsUser(intent, user, 7928 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7929 } 7930 7931 private ComponentName matchComponentForVerifier(String packageName, 7932 List<ResolveInfo> receivers) { 7933 ActivityInfo targetReceiver = null; 7934 7935 final int NR = receivers.size(); 7936 for (int i = 0; i < NR; i++) { 7937 final ResolveInfo info = receivers.get(i); 7938 if (info.activityInfo == null) { 7939 continue; 7940 } 7941 7942 if (packageName.equals(info.activityInfo.packageName)) { 7943 targetReceiver = info.activityInfo; 7944 break; 7945 } 7946 } 7947 7948 if (targetReceiver == null) { 7949 return null; 7950 } 7951 7952 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7953 } 7954 7955 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7956 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7957 if (pkgInfo.verifiers.length == 0) { 7958 return null; 7959 } 7960 7961 final int N = pkgInfo.verifiers.length; 7962 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7963 for (int i = 0; i < N; i++) { 7964 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7965 7966 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7967 receivers); 7968 if (comp == null) { 7969 continue; 7970 } 7971 7972 final int verifierUid = getUidForVerifier(verifierInfo); 7973 if (verifierUid == -1) { 7974 continue; 7975 } 7976 7977 if (DEBUG_VERIFY) { 7978 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7979 + " with the correct signature"); 7980 } 7981 sufficientVerifiers.add(comp); 7982 verificationState.addSufficientVerifier(verifierUid); 7983 } 7984 7985 return sufficientVerifiers; 7986 } 7987 7988 private int getUidForVerifier(VerifierInfo verifierInfo) { 7989 synchronized (mPackages) { 7990 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7991 if (pkg == null) { 7992 return -1; 7993 } else if (pkg.mSignatures.length != 1) { 7994 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7995 + " has more than one signature; ignoring"); 7996 return -1; 7997 } 7998 7999 /* 8000 * If the public key of the package's signature does not match 8001 * our expected public key, then this is a different package and 8002 * we should skip. 8003 */ 8004 8005 final byte[] expectedPublicKey; 8006 try { 8007 final Signature verifierSig = pkg.mSignatures[0]; 8008 final PublicKey publicKey = verifierSig.getPublicKey(); 8009 expectedPublicKey = publicKey.getEncoded(); 8010 } catch (CertificateException e) { 8011 return -1; 8012 } 8013 8014 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8015 8016 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8017 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8018 + " does not have the expected public key; ignoring"); 8019 return -1; 8020 } 8021 8022 return pkg.applicationInfo.uid; 8023 } 8024 } 8025 8026 @Override 8027 public void finishPackageInstall(int token) { 8028 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8029 8030 if (DEBUG_INSTALL) { 8031 Slog.v(TAG, "BM finishing package install for " + token); 8032 } 8033 8034 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8035 mHandler.sendMessage(msg); 8036 } 8037 8038 /** 8039 * Get the verification agent timeout. 8040 * 8041 * @return verification timeout in milliseconds 8042 */ 8043 private long getVerificationTimeout() { 8044 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8045 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8046 DEFAULT_VERIFICATION_TIMEOUT); 8047 } 8048 8049 /** 8050 * Get the default verification agent response code. 8051 * 8052 * @return default verification response code 8053 */ 8054 private int getDefaultVerificationResponse() { 8055 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8056 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8057 DEFAULT_VERIFICATION_RESPONSE); 8058 } 8059 8060 /** 8061 * Check whether or not package verification has been enabled. 8062 * 8063 * @return true if verification should be performed 8064 */ 8065 private boolean isVerificationEnabled(int flags) { 8066 if (!DEFAULT_VERIFY_ENABLE) { 8067 return false; 8068 } 8069 8070 // Check if installing from ADB 8071 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 8072 // Do not run verification in a test harness environment 8073 if (ActivityManager.isRunningInTestHarness()) { 8074 return false; 8075 } 8076 // Check if the developer does not want package verification for ADB installs 8077 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8078 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8079 return false; 8080 } 8081 } 8082 8083 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8084 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8085 } 8086 8087 /** 8088 * Get the "allow unknown sources" setting. 8089 * 8090 * @return the current "allow unknown sources" setting 8091 */ 8092 private int getUnknownSourcesSettings() { 8093 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8094 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8095 -1); 8096 } 8097 8098 @Override 8099 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8100 final int uid = Binder.getCallingUid(); 8101 // writer 8102 synchronized (mPackages) { 8103 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8104 if (targetPackageSetting == null) { 8105 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8106 } 8107 8108 PackageSetting installerPackageSetting; 8109 if (installerPackageName != null) { 8110 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8111 if (installerPackageSetting == null) { 8112 throw new IllegalArgumentException("Unknown installer package: " 8113 + installerPackageName); 8114 } 8115 } else { 8116 installerPackageSetting = null; 8117 } 8118 8119 Signature[] callerSignature; 8120 Object obj = mSettings.getUserIdLPr(uid); 8121 if (obj != null) { 8122 if (obj instanceof SharedUserSetting) { 8123 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8124 } else if (obj instanceof PackageSetting) { 8125 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8126 } else { 8127 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8128 } 8129 } else { 8130 throw new SecurityException("Unknown calling uid " + uid); 8131 } 8132 8133 // Verify: can't set installerPackageName to a package that is 8134 // not signed with the same cert as the caller. 8135 if (installerPackageSetting != null) { 8136 if (compareSignatures(callerSignature, 8137 installerPackageSetting.signatures.mSignatures) 8138 != PackageManager.SIGNATURE_MATCH) { 8139 throw new SecurityException( 8140 "Caller does not have same cert as new installer package " 8141 + installerPackageName); 8142 } 8143 } 8144 8145 // Verify: if target already has an installer package, it must 8146 // be signed with the same cert as the caller. 8147 if (targetPackageSetting.installerPackageName != null) { 8148 PackageSetting setting = mSettings.mPackages.get( 8149 targetPackageSetting.installerPackageName); 8150 // If the currently set package isn't valid, then it's always 8151 // okay to change it. 8152 if (setting != null) { 8153 if (compareSignatures(callerSignature, 8154 setting.signatures.mSignatures) 8155 != PackageManager.SIGNATURE_MATCH) { 8156 throw new SecurityException( 8157 "Caller does not have same cert as old installer package " 8158 + targetPackageSetting.installerPackageName); 8159 } 8160 } 8161 } 8162 8163 // Okay! 8164 targetPackageSetting.installerPackageName = installerPackageName; 8165 scheduleWriteSettingsLocked(); 8166 } 8167 } 8168 8169 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8170 // Queue up an async operation since the package installation may take a little while. 8171 mHandler.post(new Runnable() { 8172 public void run() { 8173 mHandler.removeCallbacks(this); 8174 // Result object to be returned 8175 PackageInstalledInfo res = new PackageInstalledInfo(); 8176 res.returnCode = currentStatus; 8177 res.uid = -1; 8178 res.pkg = null; 8179 res.removedInfo = new PackageRemovedInfo(); 8180 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8181 args.doPreInstall(res.returnCode); 8182 synchronized (mInstallLock) { 8183 installPackageLI(args, true, res); 8184 } 8185 args.doPostInstall(res.returnCode, res.uid); 8186 } 8187 8188 // A restore should be performed at this point if (a) the install 8189 // succeeded, (b) the operation is not an update, and (c) the new 8190 // package has a backupAgent defined. 8191 final boolean update = res.removedInfo.removedPackage != null; 8192 boolean doRestore = (!update 8193 && res.pkg != null 8194 && res.pkg.applicationInfo.backupAgentName != null); 8195 8196 // Set up the post-install work request bookkeeping. This will be used 8197 // and cleaned up by the post-install event handling regardless of whether 8198 // there's a restore pass performed. Token values are >= 1. 8199 int token; 8200 if (mNextInstallToken < 0) mNextInstallToken = 1; 8201 token = mNextInstallToken++; 8202 8203 PostInstallData data = new PostInstallData(args, res); 8204 mRunningInstalls.put(token, data); 8205 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8206 8207 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8208 // Pass responsibility to the Backup Manager. It will perform a 8209 // restore if appropriate, then pass responsibility back to the 8210 // Package Manager to run the post-install observer callbacks 8211 // and broadcasts. 8212 IBackupManager bm = IBackupManager.Stub.asInterface( 8213 ServiceManager.getService(Context.BACKUP_SERVICE)); 8214 if (bm != null) { 8215 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8216 + " to BM for possible restore"); 8217 try { 8218 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8219 } catch (RemoteException e) { 8220 // can't happen; the backup manager is local 8221 } catch (Exception e) { 8222 Slog.e(TAG, "Exception trying to enqueue restore", e); 8223 doRestore = false; 8224 } 8225 } else { 8226 Slog.e(TAG, "Backup Manager not found!"); 8227 doRestore = false; 8228 } 8229 } 8230 8231 if (!doRestore) { 8232 // No restore possible, or the Backup Manager was mysteriously not 8233 // available -- just fire the post-install work request directly. 8234 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8235 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8236 mHandler.sendMessage(msg); 8237 } 8238 } 8239 }); 8240 } 8241 8242 private abstract class HandlerParams { 8243 private static final int MAX_RETRIES = 4; 8244 8245 /** 8246 * Number of times startCopy() has been attempted and had a non-fatal 8247 * error. 8248 */ 8249 private int mRetries = 0; 8250 8251 /** User handle for the user requesting the information or installation. */ 8252 private final UserHandle mUser; 8253 8254 HandlerParams(UserHandle user) { 8255 mUser = user; 8256 } 8257 8258 UserHandle getUser() { 8259 return mUser; 8260 } 8261 8262 final boolean startCopy() { 8263 boolean res; 8264 try { 8265 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8266 8267 if (++mRetries > MAX_RETRIES) { 8268 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8269 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8270 handleServiceError(); 8271 return false; 8272 } else { 8273 handleStartCopy(); 8274 res = true; 8275 } 8276 } catch (RemoteException e) { 8277 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8278 mHandler.sendEmptyMessage(MCS_RECONNECT); 8279 res = false; 8280 } 8281 handleReturnCode(); 8282 return res; 8283 } 8284 8285 final void serviceError() { 8286 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8287 handleServiceError(); 8288 handleReturnCode(); 8289 } 8290 8291 abstract void handleStartCopy() throws RemoteException; 8292 abstract void handleServiceError(); 8293 abstract void handleReturnCode(); 8294 } 8295 8296 class MeasureParams extends HandlerParams { 8297 private final PackageStats mStats; 8298 private boolean mSuccess; 8299 8300 private final IPackageStatsObserver mObserver; 8301 8302 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8303 super(new UserHandle(stats.userHandle)); 8304 mObserver = observer; 8305 mStats = stats; 8306 } 8307 8308 @Override 8309 public String toString() { 8310 return "MeasureParams{" 8311 + Integer.toHexString(System.identityHashCode(this)) 8312 + " " + mStats.packageName + "}"; 8313 } 8314 8315 @Override 8316 void handleStartCopy() throws RemoteException { 8317 synchronized (mInstallLock) { 8318 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8319 } 8320 8321 if (mSuccess) { 8322 final boolean mounted; 8323 if (Environment.isExternalStorageEmulated()) { 8324 mounted = true; 8325 } else { 8326 final String status = Environment.getExternalStorageState(); 8327 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8328 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8329 } 8330 8331 if (mounted) { 8332 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8333 8334 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8335 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8336 8337 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8338 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8339 8340 // Always subtract cache size, since it's a subdirectory 8341 mStats.externalDataSize -= mStats.externalCacheSize; 8342 8343 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8344 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8345 8346 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8347 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8348 } 8349 } 8350 } 8351 8352 @Override 8353 void handleReturnCode() { 8354 if (mObserver != null) { 8355 try { 8356 mObserver.onGetStatsCompleted(mStats, mSuccess); 8357 } catch (RemoteException e) { 8358 Slog.i(TAG, "Observer no longer exists."); 8359 } 8360 } 8361 } 8362 8363 @Override 8364 void handleServiceError() { 8365 Slog.e(TAG, "Could not measure application " + mStats.packageName 8366 + " external storage"); 8367 } 8368 } 8369 8370 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8371 throws RemoteException { 8372 long result = 0; 8373 for (File path : paths) { 8374 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8375 } 8376 return result; 8377 } 8378 8379 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8380 for (File path : paths) { 8381 try { 8382 mcs.clearDirectory(path.getAbsolutePath()); 8383 } catch (RemoteException e) { 8384 } 8385 } 8386 } 8387 8388 class InstallParams extends HandlerParams { 8389 final IPackageInstallObserver observer; 8390 final IPackageInstallObserver2 observer2; 8391 int flags; 8392 8393 private final Uri mPackageURI; 8394 final String installerPackageName; 8395 final VerificationParams verificationParams; 8396 private InstallArgs mArgs; 8397 private int mRet; 8398 private File mTempPackage; 8399 final ContainerEncryptionParams encryptionParams; 8400 final String packageAbiOverride; 8401 final String packageInstructionSetOverride; 8402 8403 InstallParams(Uri packageURI, 8404 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 8405 int flags, String installerPackageName, VerificationParams verificationParams, 8406 ContainerEncryptionParams encryptionParams, UserHandle user, 8407 String packageAbiOverride) { 8408 super(user); 8409 this.mPackageURI = packageURI; 8410 this.flags = flags; 8411 this.observer = observer; 8412 this.observer2 = observer2; 8413 this.installerPackageName = installerPackageName; 8414 this.verificationParams = verificationParams; 8415 this.encryptionParams = encryptionParams; 8416 this.packageAbiOverride = packageAbiOverride; 8417 this.packageInstructionSetOverride = (packageAbiOverride == null) ? 8418 packageAbiOverride : VMRuntime.getInstructionSet(packageAbiOverride); 8419 } 8420 8421 @Override 8422 public String toString() { 8423 return "InstallParams{" 8424 + Integer.toHexString(System.identityHashCode(this)) 8425 + " " + mPackageURI + "}"; 8426 } 8427 8428 public ManifestDigest getManifestDigest() { 8429 if (verificationParams == null) { 8430 return null; 8431 } 8432 return verificationParams.getManifestDigest(); 8433 } 8434 8435 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 8436 String packageName = pkgLite.packageName; 8437 int installLocation = pkgLite.installLocation; 8438 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8439 // reader 8440 synchronized (mPackages) { 8441 PackageParser.Package pkg = mPackages.get(packageName); 8442 if (pkg != null) { 8443 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8444 // Check for downgrading. 8445 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8446 if (pkgLite.versionCode < pkg.mVersionCode) { 8447 Slog.w(TAG, "Can't install update of " + packageName 8448 + " update version " + pkgLite.versionCode 8449 + " is older than installed version " 8450 + pkg.mVersionCode); 8451 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8452 } 8453 } 8454 // Check for updated system application. 8455 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8456 if (onSd) { 8457 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8458 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8459 } 8460 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8461 } else { 8462 if (onSd) { 8463 // Install flag overrides everything. 8464 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8465 } 8466 // If current upgrade specifies particular preference 8467 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8468 // Application explicitly specified internal. 8469 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8470 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8471 // App explictly prefers external. Let policy decide 8472 } else { 8473 // Prefer previous location 8474 if (isExternal(pkg)) { 8475 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8476 } 8477 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8478 } 8479 } 8480 } else { 8481 // Invalid install. Return error code 8482 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8483 } 8484 } 8485 } 8486 // All the special cases have been taken care of. 8487 // Return result based on recommended install location. 8488 if (onSd) { 8489 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8490 } 8491 return pkgLite.recommendedInstallLocation; 8492 } 8493 8494 private long getMemoryLowThreshold() { 8495 final DeviceStorageMonitorInternal 8496 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8497 if (dsm == null) { 8498 return 0L; 8499 } 8500 return dsm.getMemoryLowThreshold(); 8501 } 8502 8503 /* 8504 * Invoke remote method to get package information and install 8505 * location values. Override install location based on default 8506 * policy if needed and then create install arguments based 8507 * on the install location. 8508 */ 8509 public void handleStartCopy() throws RemoteException { 8510 int ret = PackageManager.INSTALL_SUCCEEDED; 8511 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8512 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 8513 PackageInfoLite pkgLite = null; 8514 8515 if (onInt && onSd) { 8516 // Check if both bits are set. 8517 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8518 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8519 } else { 8520 final long lowThreshold = getMemoryLowThreshold(); 8521 if (lowThreshold == 0L) { 8522 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8523 } 8524 8525 try { 8526 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 8527 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8528 8529 final File packageFile; 8530 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 8531 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 8532 if (mTempPackage != null) { 8533 ParcelFileDescriptor out; 8534 try { 8535 out = ParcelFileDescriptor.open(mTempPackage, 8536 ParcelFileDescriptor.MODE_READ_WRITE); 8537 } catch (FileNotFoundException e) { 8538 out = null; 8539 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 8540 } 8541 8542 // Make a temporary file for decryption. 8543 ret = mContainerService 8544 .copyResource(mPackageURI, encryptionParams, out); 8545 IoUtils.closeQuietly(out); 8546 8547 packageFile = mTempPackage; 8548 8549 FileUtils.setPermissions(packageFile.getAbsolutePath(), 8550 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 8551 | FileUtils.S_IROTH, 8552 -1, -1); 8553 } else { 8554 packageFile = null; 8555 } 8556 } else { 8557 packageFile = new File(mPackageURI.getPath()); 8558 } 8559 8560 if (packageFile != null) { 8561 // Remote call to find out default install location 8562 final String packageFilePath = packageFile.getAbsolutePath(); 8563 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 8564 lowThreshold, packageAbiOverride); 8565 8566 /* 8567 * If we have too little free space, try to free cache 8568 * before giving up. 8569 */ 8570 if (pkgLite.recommendedInstallLocation 8571 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8572 final long size = mContainerService.calculateInstalledSize( 8573 packageFilePath, isForwardLocked(), packageAbiOverride); 8574 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 8575 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 8576 flags, lowThreshold, packageAbiOverride); 8577 } 8578 /* 8579 * The cache free must have deleted the file we 8580 * downloaded to install. 8581 * 8582 * TODO: fix the "freeCache" call to not delete 8583 * the file we care about. 8584 */ 8585 if (pkgLite.recommendedInstallLocation 8586 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8587 pkgLite.recommendedInstallLocation 8588 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8589 } 8590 } 8591 } 8592 } finally { 8593 mContext.revokeUriPermission(mPackageURI, 8594 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8595 } 8596 } 8597 8598 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8599 int loc = pkgLite.recommendedInstallLocation; 8600 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8601 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8602 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8603 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8604 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8605 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8606 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8607 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8608 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8609 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8610 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8611 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8612 } else { 8613 // Override with defaults if needed. 8614 loc = installLocationPolicy(pkgLite, flags); 8615 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8616 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8617 } else if (!onSd && !onInt) { 8618 // Override install location with flags 8619 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8620 // Set the flag to install on external media. 8621 flags |= PackageManager.INSTALL_EXTERNAL; 8622 flags &= ~PackageManager.INSTALL_INTERNAL; 8623 } else { 8624 // Make sure the flag for installing on external 8625 // media is unset 8626 flags |= PackageManager.INSTALL_INTERNAL; 8627 flags &= ~PackageManager.INSTALL_EXTERNAL; 8628 } 8629 } 8630 } 8631 } 8632 8633 final InstallArgs args = createInstallArgs(this); 8634 mArgs = args; 8635 8636 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8637 /* 8638 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8639 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8640 */ 8641 int userIdentifier = getUser().getIdentifier(); 8642 if (userIdentifier == UserHandle.USER_ALL 8643 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8644 userIdentifier = UserHandle.USER_OWNER; 8645 } 8646 8647 /* 8648 * Determine if we have any installed package verifiers. If we 8649 * do, then we'll defer to them to verify the packages. 8650 */ 8651 final int requiredUid = mRequiredVerifierPackage == null ? -1 8652 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8653 if (requiredUid != -1 && isVerificationEnabled(flags)) { 8654 final Intent verification = new Intent( 8655 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8656 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 8657 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8658 8659 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8660 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8661 0 /* TODO: Which userId? */); 8662 8663 if (DEBUG_VERIFY) { 8664 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8665 + verification.toString() + " with " + pkgLite.verifiers.length 8666 + " optional verifiers"); 8667 } 8668 8669 final int verificationId = mPendingVerificationToken++; 8670 8671 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8672 8673 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8674 installerPackageName); 8675 8676 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 8677 8678 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8679 pkgLite.packageName); 8680 8681 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8682 pkgLite.versionCode); 8683 8684 if (verificationParams != null) { 8685 if (verificationParams.getVerificationURI() != null) { 8686 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8687 verificationParams.getVerificationURI()); 8688 } 8689 if (verificationParams.getOriginatingURI() != null) { 8690 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8691 verificationParams.getOriginatingURI()); 8692 } 8693 if (verificationParams.getReferrer() != null) { 8694 verification.putExtra(Intent.EXTRA_REFERRER, 8695 verificationParams.getReferrer()); 8696 } 8697 if (verificationParams.getOriginatingUid() >= 0) { 8698 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8699 verificationParams.getOriginatingUid()); 8700 } 8701 if (verificationParams.getInstallerUid() >= 0) { 8702 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8703 verificationParams.getInstallerUid()); 8704 } 8705 } 8706 8707 final PackageVerificationState verificationState = new PackageVerificationState( 8708 requiredUid, args); 8709 8710 mPendingVerification.append(verificationId, verificationState); 8711 8712 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8713 receivers, verificationState); 8714 8715 /* 8716 * If any sufficient verifiers were listed in the package 8717 * manifest, attempt to ask them. 8718 */ 8719 if (sufficientVerifiers != null) { 8720 final int N = sufficientVerifiers.size(); 8721 if (N == 0) { 8722 Slog.i(TAG, "Additional verifiers required, but none installed."); 8723 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 8724 } else { 8725 for (int i = 0; i < N; i++) { 8726 final ComponentName verifierComponent = sufficientVerifiers.get(i); 8727 8728 final Intent sufficientIntent = new Intent(verification); 8729 sufficientIntent.setComponent(verifierComponent); 8730 8731 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 8732 } 8733 } 8734 } 8735 8736 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 8737 mRequiredVerifierPackage, receivers); 8738 if (ret == PackageManager.INSTALL_SUCCEEDED 8739 && mRequiredVerifierPackage != null) { 8740 /* 8741 * Send the intent to the required verification agent, 8742 * but only start the verification timeout after the 8743 * target BroadcastReceivers have run. 8744 */ 8745 verification.setComponent(requiredVerifierComponent); 8746 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 8747 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8748 new BroadcastReceiver() { 8749 @Override 8750 public void onReceive(Context context, Intent intent) { 8751 final Message msg = mHandler 8752 .obtainMessage(CHECK_PENDING_VERIFICATION); 8753 msg.arg1 = verificationId; 8754 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 8755 } 8756 }, null, 0, null, null); 8757 8758 /* 8759 * We don't want the copy to proceed until verification 8760 * succeeds, so null out this field. 8761 */ 8762 mArgs = null; 8763 } 8764 } else { 8765 /* 8766 * No package verification is enabled, so immediately start 8767 * the remote call to initiate copy using temporary file. 8768 */ 8769 ret = args.copyApk(mContainerService, true); 8770 } 8771 } 8772 8773 mRet = ret; 8774 } 8775 8776 @Override 8777 void handleReturnCode() { 8778 // If mArgs is null, then MCS couldn't be reached. When it 8779 // reconnects, it will try again to install. At that point, this 8780 // will succeed. 8781 if (mArgs != null) { 8782 processPendingInstall(mArgs, mRet); 8783 8784 if (mTempPackage != null) { 8785 if (!mTempPackage.delete()) { 8786 Slog.w(TAG, "Couldn't delete temporary file: " + 8787 mTempPackage.getAbsolutePath()); 8788 } 8789 } 8790 } 8791 } 8792 8793 @Override 8794 void handleServiceError() { 8795 mArgs = createInstallArgs(this); 8796 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8797 } 8798 8799 public boolean isForwardLocked() { 8800 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8801 } 8802 8803 public Uri getPackageUri() { 8804 if (mTempPackage != null) { 8805 return Uri.fromFile(mTempPackage); 8806 } else { 8807 return mPackageURI; 8808 } 8809 } 8810 } 8811 8812 /* 8813 * Utility class used in movePackage api. 8814 * srcArgs and targetArgs are not set for invalid flags and make 8815 * sure to do null checks when invoking methods on them. 8816 * We probably want to return ErrorPrams for both failed installs 8817 * and moves. 8818 */ 8819 class MoveParams extends HandlerParams { 8820 final IPackageMoveObserver observer; 8821 final int flags; 8822 final String packageName; 8823 final InstallArgs srcArgs; 8824 final InstallArgs targetArgs; 8825 int uid; 8826 int mRet; 8827 8828 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 8829 String packageName, String dataDir, String instructionSet, 8830 int uid, UserHandle user) { 8831 super(user); 8832 this.srcArgs = srcArgs; 8833 this.observer = observer; 8834 this.flags = flags; 8835 this.packageName = packageName; 8836 this.uid = uid; 8837 if (srcArgs != null) { 8838 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 8839 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir, instructionSet); 8840 } else { 8841 targetArgs = null; 8842 } 8843 } 8844 8845 @Override 8846 public String toString() { 8847 return "MoveParams{" 8848 + Integer.toHexString(System.identityHashCode(this)) 8849 + " " + packageName + "}"; 8850 } 8851 8852 public void handleStartCopy() throws RemoteException { 8853 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8854 // Check for storage space on target medium 8855 if (!targetArgs.checkFreeStorage(mContainerService)) { 8856 Log.w(TAG, "Insufficient storage to install"); 8857 return; 8858 } 8859 8860 mRet = srcArgs.doPreCopy(); 8861 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8862 return; 8863 } 8864 8865 mRet = targetArgs.copyApk(mContainerService, false); 8866 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8867 srcArgs.doPostCopy(uid); 8868 return; 8869 } 8870 8871 mRet = srcArgs.doPostCopy(uid); 8872 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8873 return; 8874 } 8875 8876 mRet = targetArgs.doPreInstall(mRet); 8877 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 8878 return; 8879 } 8880 8881 if (DEBUG_SD_INSTALL) { 8882 StringBuilder builder = new StringBuilder(); 8883 if (srcArgs != null) { 8884 builder.append("src: "); 8885 builder.append(srcArgs.getCodePath()); 8886 } 8887 if (targetArgs != null) { 8888 builder.append(" target : "); 8889 builder.append(targetArgs.getCodePath()); 8890 } 8891 Log.i(TAG, builder.toString()); 8892 } 8893 } 8894 8895 @Override 8896 void handleReturnCode() { 8897 targetArgs.doPostInstall(mRet, uid); 8898 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 8899 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 8900 currentStatus = PackageManager.MOVE_SUCCEEDED; 8901 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 8902 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 8903 } 8904 processPendingMove(this, currentStatus); 8905 } 8906 8907 @Override 8908 void handleServiceError() { 8909 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8910 } 8911 } 8912 8913 /** 8914 * Used during creation of InstallArgs 8915 * 8916 * @param flags package installation flags 8917 * @return true if should be installed on external storage 8918 */ 8919 private static boolean installOnSd(int flags) { 8920 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8921 return false; 8922 } 8923 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8924 return true; 8925 } 8926 return false; 8927 } 8928 8929 /** 8930 * Used during creation of InstallArgs 8931 * 8932 * @param flags package installation flags 8933 * @return true if should be installed as forward locked 8934 */ 8935 private static boolean installForwardLocked(int flags) { 8936 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8937 } 8938 8939 private InstallArgs createInstallArgs(InstallParams params) { 8940 if (installOnSd(params.flags) || params.isForwardLocked()) { 8941 return new AsecInstallArgs(params); 8942 } else { 8943 return new FileInstallArgs(params); 8944 } 8945 } 8946 8947 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8948 String nativeLibraryPath, String instructionSet) { 8949 final boolean isInAsec; 8950 if (installOnSd(flags)) { 8951 /* Apps on SD card are always in ASEC containers. */ 8952 isInAsec = true; 8953 } else if (installForwardLocked(flags) 8954 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8955 /* 8956 * Forward-locked apps are only in ASEC containers if they're the 8957 * new style 8958 */ 8959 isInAsec = true; 8960 } else { 8961 isInAsec = false; 8962 } 8963 8964 if (isInAsec) { 8965 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8966 instructionSet, installOnSd(flags), installForwardLocked(flags)); 8967 } else { 8968 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8969 instructionSet); 8970 } 8971 } 8972 8973 // Used by package mover 8974 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir, 8975 String instructionSet) { 8976 if (installOnSd(flags) || installForwardLocked(flags)) { 8977 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8978 + AsecInstallArgs.RES_FILE_NAME); 8979 return new AsecInstallArgs(packageURI, cid, instructionSet, installOnSd(flags), 8980 installForwardLocked(flags)); 8981 } else { 8982 return new FileInstallArgs(packageURI, pkgName, dataDir, instructionSet); 8983 } 8984 } 8985 8986 static abstract class InstallArgs { 8987 final IPackageInstallObserver observer; 8988 final IPackageInstallObserver2 observer2; 8989 // Always refers to PackageManager flags only 8990 final int flags; 8991 final Uri packageURI; 8992 final String installerPackageName; 8993 final ManifestDigest manifestDigest; 8994 final UserHandle user; 8995 final String instructionSet; 8996 final String abiOverride; 8997 8998 InstallArgs(Uri packageURI, 8999 IPackageInstallObserver observer, IPackageInstallObserver2 observer2, 9000 int flags, String installerPackageName, ManifestDigest manifestDigest, 9001 UserHandle user, String instructionSet, String abiOverride) { 9002 this.packageURI = packageURI; 9003 this.flags = flags; 9004 this.observer = observer; 9005 this.observer2 = observer2; 9006 this.installerPackageName = installerPackageName; 9007 this.manifestDigest = manifestDigest; 9008 this.user = user; 9009 this.instructionSet = instructionSet; 9010 this.abiOverride = abiOverride; 9011 } 9012 9013 abstract void createCopyFile(); 9014 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9015 abstract int doPreInstall(int status); 9016 abstract boolean doRename(int status, String pkgName, String oldCodePath); 9017 9018 abstract int doPostInstall(int status, int uid); 9019 abstract String getCodePath(); 9020 abstract String getResourcePath(); 9021 abstract String getNativeLibraryPath(); 9022 // Need installer lock especially for dex file removal. 9023 abstract void cleanUpResourcesLI(); 9024 abstract boolean doPostDeleteLI(boolean delete); 9025 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9026 9027 /** 9028 * Called before the source arguments are copied. This is used mostly 9029 * for MoveParams when it needs to read the source file to put it in the 9030 * destination. 9031 */ 9032 int doPreCopy() { 9033 return PackageManager.INSTALL_SUCCEEDED; 9034 } 9035 9036 /** 9037 * Called after the source arguments are copied. This is used mostly for 9038 * MoveParams when it needs to read the source file to put it in the 9039 * destination. 9040 * 9041 * @return 9042 */ 9043 int doPostCopy(int uid) { 9044 return PackageManager.INSTALL_SUCCEEDED; 9045 } 9046 9047 protected boolean isFwdLocked() { 9048 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9049 } 9050 9051 UserHandle getUser() { 9052 return user; 9053 } 9054 } 9055 9056 class FileInstallArgs extends InstallArgs { 9057 File installDir; 9058 String codeFileName; 9059 String resourceFileName; 9060 String libraryPath; 9061 boolean created = false; 9062 9063 FileInstallArgs(InstallParams params) { 9064 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9065 params.installerPackageName, params.getManifestDigest(), 9066 params.getUser(), params.packageInstructionSetOverride, 9067 params.packageAbiOverride); 9068 } 9069 9070 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9071 String instructionSet) { 9072 super(null, null, null, 0, null, null, null, instructionSet, null); 9073 File codeFile = new File(fullCodePath); 9074 installDir = codeFile.getParentFile(); 9075 codeFileName = fullCodePath; 9076 resourceFileName = fullResourcePath; 9077 libraryPath = nativeLibraryPath; 9078 } 9079 9080 FileInstallArgs(Uri packageURI, String pkgName, String dataDir, String instructionSet) { 9081 super(packageURI, null, null, 0, null, null, null, instructionSet, null); 9082 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9083 String apkName = getNextCodePath(null, pkgName, ".apk"); 9084 codeFileName = new File(installDir, apkName + ".apk").getPath(); 9085 resourceFileName = getResourcePathFromCodePath(); 9086 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 9087 } 9088 9089 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9090 final long lowThreshold; 9091 9092 final DeviceStorageMonitorInternal 9093 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9094 if (dsm == null) { 9095 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 9096 lowThreshold = 0L; 9097 } else { 9098 if (dsm.isMemoryLow()) { 9099 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 9100 return false; 9101 } 9102 9103 lowThreshold = dsm.getMemoryLowThreshold(); 9104 } 9105 9106 try { 9107 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9108 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9109 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 9110 } finally { 9111 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9112 } 9113 } 9114 9115 String getCodePath() { 9116 return codeFileName; 9117 } 9118 9119 void createCopyFile() { 9120 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 9121 codeFileName = createTempPackageFile(installDir).getPath(); 9122 resourceFileName = getResourcePathFromCodePath(); 9123 libraryPath = getLibraryPathFromCodePath(); 9124 created = true; 9125 } 9126 9127 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9128 if (temp) { 9129 // Generate temp file name 9130 createCopyFile(); 9131 } 9132 // Get a ParcelFileDescriptor to write to the output file 9133 File codeFile = new File(codeFileName); 9134 if (!created) { 9135 try { 9136 codeFile.createNewFile(); 9137 // Set permissions 9138 if (!setPermissions()) { 9139 // Failed setting permissions. 9140 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9141 } 9142 } catch (IOException e) { 9143 Slog.w(TAG, "Failed to create file " + codeFile); 9144 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9145 } 9146 } 9147 ParcelFileDescriptor out = null; 9148 try { 9149 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 9150 } catch (FileNotFoundException e) { 9151 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 9152 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9153 } 9154 // Copy the resource now 9155 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9156 try { 9157 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9158 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9159 ret = imcs.copyResource(packageURI, null, out); 9160 } finally { 9161 IoUtils.closeQuietly(out); 9162 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9163 } 9164 9165 if (isFwdLocked()) { 9166 final File destResourceFile = new File(getResourcePath()); 9167 9168 // Copy the public files 9169 try { 9170 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 9171 } catch (IOException e) { 9172 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 9173 + " forward-locked app."); 9174 destResourceFile.delete(); 9175 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9176 } 9177 } 9178 9179 final File nativeLibraryFile = new File(getNativeLibraryPath()); 9180 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 9181 if (nativeLibraryFile.exists()) { 9182 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9183 nativeLibraryFile.delete(); 9184 } 9185 9186 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(codeFile); 9187 String[] abiList = (abiOverride != null) ? 9188 new String[] { abiOverride } : Build.SUPPORTED_ABIS; 9189 try { 9190 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && 9191 abiOverride == null && 9192 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 9193 abiList = Build.SUPPORTED_32_BIT_ABIS; 9194 } 9195 9196 int copyRet = copyNativeLibrariesForInternalApp(handle, nativeLibraryFile, abiList); 9197 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 9198 return copyRet; 9199 } 9200 } catch (IOException e) { 9201 Slog.e(TAG, "Copying native libraries failed", e); 9202 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9203 } finally { 9204 handle.close(); 9205 } 9206 9207 return ret; 9208 } 9209 9210 int doPreInstall(int status) { 9211 if (status != PackageManager.INSTALL_SUCCEEDED) { 9212 cleanUp(); 9213 } 9214 return status; 9215 } 9216 9217 boolean doRename(int status, final String pkgName, String oldCodePath) { 9218 if (status != PackageManager.INSTALL_SUCCEEDED) { 9219 cleanUp(); 9220 return false; 9221 } else { 9222 final File oldCodeFile = new File(getCodePath()); 9223 final File oldResourceFile = new File(getResourcePath()); 9224 final File oldLibraryFile = new File(getNativeLibraryPath()); 9225 9226 // Rename APK file based on packageName 9227 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 9228 final File newCodeFile = new File(installDir, apkName + ".apk"); 9229 if (!oldCodeFile.renameTo(newCodeFile)) { 9230 return false; 9231 } 9232 codeFileName = newCodeFile.getPath(); 9233 9234 // Rename public resource file if it's forward-locked. 9235 final File newResFile = new File(getResourcePathFromCodePath()); 9236 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 9237 return false; 9238 } 9239 resourceFileName = newResFile.getPath(); 9240 9241 // Rename library path 9242 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 9243 if (newLibraryFile.exists()) { 9244 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 9245 newLibraryFile.delete(); 9246 } 9247 if (!oldLibraryFile.renameTo(newLibraryFile)) { 9248 Slog.e(TAG, "Cannot rename native library directory " 9249 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 9250 return false; 9251 } 9252 libraryPath = newLibraryFile.getPath(); 9253 9254 // Attempt to set permissions 9255 if (!setPermissions()) { 9256 return false; 9257 } 9258 9259 if (!SELinux.restorecon(newCodeFile)) { 9260 return false; 9261 } 9262 9263 return true; 9264 } 9265 } 9266 9267 int doPostInstall(int status, int uid) { 9268 if (status != PackageManager.INSTALL_SUCCEEDED) { 9269 cleanUp(); 9270 } 9271 return status; 9272 } 9273 9274 String getResourcePath() { 9275 return resourceFileName; 9276 } 9277 9278 private String getResourcePathFromCodePath() { 9279 final String codePath = getCodePath(); 9280 if (isFwdLocked()) { 9281 final StringBuilder sb = new StringBuilder(); 9282 9283 sb.append(mAppInstallDir.getPath()); 9284 sb.append('/'); 9285 sb.append(getApkName(codePath)); 9286 sb.append(".zip"); 9287 9288 /* 9289 * If our APK is a temporary file, mark the resource as a 9290 * temporary file as well so it can be cleaned up after 9291 * catastrophic failure. 9292 */ 9293 if (codePath.endsWith(".tmp")) { 9294 sb.append(".tmp"); 9295 } 9296 9297 return sb.toString(); 9298 } else { 9299 return codePath; 9300 } 9301 } 9302 9303 private String getLibraryPathFromCodePath() { 9304 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 9305 } 9306 9307 @Override 9308 String getNativeLibraryPath() { 9309 if (libraryPath == null) { 9310 libraryPath = getLibraryPathFromCodePath(); 9311 } 9312 return libraryPath; 9313 } 9314 9315 private boolean cleanUp() { 9316 boolean ret = true; 9317 String sourceDir = getCodePath(); 9318 String publicSourceDir = getResourcePath(); 9319 if (sourceDir != null) { 9320 File sourceFile = new File(sourceDir); 9321 if (!sourceFile.exists()) { 9322 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 9323 ret = false; 9324 } 9325 // Delete application's code and resources 9326 sourceFile.delete(); 9327 } 9328 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 9329 final File publicSourceFile = new File(publicSourceDir); 9330 if (!publicSourceFile.exists()) { 9331 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 9332 } 9333 if (publicSourceFile.exists()) { 9334 publicSourceFile.delete(); 9335 } 9336 } 9337 9338 if (libraryPath != null) { 9339 File nativeLibraryFile = new File(libraryPath); 9340 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 9341 if (!nativeLibraryFile.delete()) { 9342 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 9343 } 9344 } 9345 9346 return ret; 9347 } 9348 9349 void cleanUpResourcesLI() { 9350 String sourceDir = getCodePath(); 9351 if (cleanUp()) { 9352 if (instructionSet == null) { 9353 throw new IllegalStateException("instructionSet == null"); 9354 } 9355 int retCode = mInstaller.rmdex(sourceDir, instructionSet); 9356 if (retCode < 0) { 9357 Slog.w(TAG, "Couldn't remove dex file for package: " 9358 + " at location " 9359 + sourceDir + ", retcode=" + retCode); 9360 // we don't consider this to be a failure of the core package deletion 9361 } 9362 } 9363 } 9364 9365 private boolean setPermissions() { 9366 // TODO Do this in a more elegant way later on. for now just a hack 9367 if (!isFwdLocked()) { 9368 final int filePermissions = 9369 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 9370 |FileUtils.S_IROTH; 9371 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 9372 if (retCode != 0) { 9373 Slog.e(TAG, "Couldn't set new package file permissions for " + 9374 getCodePath() 9375 + ". The return code was: " + retCode); 9376 // TODO Define new internal error 9377 return false; 9378 } 9379 return true; 9380 } 9381 return true; 9382 } 9383 9384 boolean doPostDeleteLI(boolean delete) { 9385 // XXX err, shouldn't we respect the delete flag? 9386 cleanUpResourcesLI(); 9387 return true; 9388 } 9389 } 9390 9391 private boolean isAsecExternal(String cid) { 9392 final String asecPath = PackageHelper.getSdFilesystem(cid); 9393 return !asecPath.startsWith(mAsecInternalPath); 9394 } 9395 9396 /** 9397 * Extract the MountService "container ID" from the full code path of an 9398 * .apk. 9399 */ 9400 static String cidFromCodePath(String fullCodePath) { 9401 int eidx = fullCodePath.lastIndexOf("/"); 9402 String subStr1 = fullCodePath.substring(0, eidx); 9403 int sidx = subStr1.lastIndexOf("/"); 9404 return subStr1.substring(sidx+1, eidx); 9405 } 9406 9407 class AsecInstallArgs extends InstallArgs { 9408 static final String RES_FILE_NAME = "pkg.apk"; 9409 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9410 9411 String cid; 9412 String packagePath; 9413 String resourcePath; 9414 String libraryPath; 9415 9416 AsecInstallArgs(InstallParams params) { 9417 super(params.getPackageUri(), params.observer, params.observer2, params.flags, 9418 params.installerPackageName, params.getManifestDigest(), 9419 params.getUser(), params.packageInstructionSetOverride, 9420 params.packageAbiOverride); 9421 } 9422 9423 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 9424 String instructionSet, boolean isExternal, boolean isForwardLocked) { 9425 super(null, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9426 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9427 null, null, null, instructionSet, null); 9428 // Extract cid from fullCodePath 9429 int eidx = fullCodePath.lastIndexOf("/"); 9430 String subStr1 = fullCodePath.substring(0, eidx); 9431 int sidx = subStr1.lastIndexOf("/"); 9432 cid = subStr1.substring(sidx+1, eidx); 9433 setCachePath(subStr1); 9434 } 9435 9436 AsecInstallArgs(String cid, String instructionSet, boolean isForwardLocked) { 9437 super(null, null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 9438 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9439 null, null, null, instructionSet, null); 9440 this.cid = cid; 9441 setCachePath(PackageHelper.getSdDir(cid)); 9442 } 9443 9444 AsecInstallArgs(Uri packageURI, String cid, String instructionSet, 9445 boolean isExternal, boolean isForwardLocked) { 9446 super(packageURI, null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 9447 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 9448 null, null, null, instructionSet, null); 9449 this.cid = cid; 9450 } 9451 9452 void createCopyFile() { 9453 cid = getTempContainerId(); 9454 } 9455 9456 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9457 try { 9458 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9459 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9460 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked(), abiOverride); 9461 } finally { 9462 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9463 } 9464 } 9465 9466 private final boolean isExternal() { 9467 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 9468 } 9469 9470 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9471 if (temp) { 9472 createCopyFile(); 9473 } else { 9474 /* 9475 * Pre-emptively destroy the container since it's destroyed if 9476 * copying fails due to it existing anyway. 9477 */ 9478 PackageHelper.destroySdDir(cid); 9479 } 9480 9481 final String newCachePath; 9482 try { 9483 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 9484 Intent.FLAG_GRANT_READ_URI_PERMISSION); 9485 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 9486 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked(), 9487 abiOverride); 9488 } finally { 9489 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 9490 } 9491 9492 if (newCachePath != null) { 9493 setCachePath(newCachePath); 9494 return PackageManager.INSTALL_SUCCEEDED; 9495 } else { 9496 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9497 } 9498 } 9499 9500 @Override 9501 String getCodePath() { 9502 return packagePath; 9503 } 9504 9505 @Override 9506 String getResourcePath() { 9507 return resourcePath; 9508 } 9509 9510 @Override 9511 String getNativeLibraryPath() { 9512 return libraryPath; 9513 } 9514 9515 int doPreInstall(int status) { 9516 if (status != PackageManager.INSTALL_SUCCEEDED) { 9517 // Destroy container 9518 PackageHelper.destroySdDir(cid); 9519 } else { 9520 boolean mounted = PackageHelper.isContainerMounted(cid); 9521 if (!mounted) { 9522 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9523 Process.SYSTEM_UID); 9524 if (newCachePath != null) { 9525 setCachePath(newCachePath); 9526 } else { 9527 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9528 } 9529 } 9530 } 9531 return status; 9532 } 9533 9534 boolean doRename(int status, final String pkgName, 9535 String oldCodePath) { 9536 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 9537 String newCachePath = null; 9538 if (PackageHelper.isContainerMounted(cid)) { 9539 // Unmount the container 9540 if (!PackageHelper.unMountSdDir(cid)) { 9541 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9542 return false; 9543 } 9544 } 9545 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9546 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9547 " which might be stale. Will try to clean up."); 9548 // Clean up the stale container and proceed to recreate. 9549 if (!PackageHelper.destroySdDir(newCacheId)) { 9550 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9551 return false; 9552 } 9553 // Successfully cleaned up stale container. Try to rename again. 9554 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9555 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9556 + " inspite of cleaning it up."); 9557 return false; 9558 } 9559 } 9560 if (!PackageHelper.isContainerMounted(newCacheId)) { 9561 Slog.w(TAG, "Mounting container " + newCacheId); 9562 newCachePath = PackageHelper.mountSdDir(newCacheId, 9563 getEncryptKey(), Process.SYSTEM_UID); 9564 } else { 9565 newCachePath = PackageHelper.getSdDir(newCacheId); 9566 } 9567 if (newCachePath == null) { 9568 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9569 return false; 9570 } 9571 Log.i(TAG, "Succesfully renamed " + cid + 9572 " to " + newCacheId + 9573 " at new path: " + newCachePath); 9574 cid = newCacheId; 9575 setCachePath(newCachePath); 9576 return true; 9577 } 9578 9579 private void setCachePath(String newCachePath) { 9580 File cachePath = new File(newCachePath); 9581 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 9582 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 9583 9584 if (isFwdLocked()) { 9585 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 9586 } else { 9587 resourcePath = packagePath; 9588 } 9589 } 9590 9591 int doPostInstall(int status, int uid) { 9592 if (status != PackageManager.INSTALL_SUCCEEDED) { 9593 cleanUp(); 9594 } else { 9595 final int groupOwner; 9596 final String protectedFile; 9597 if (isFwdLocked()) { 9598 groupOwner = UserHandle.getSharedAppGid(uid); 9599 protectedFile = RES_FILE_NAME; 9600 } else { 9601 groupOwner = -1; 9602 protectedFile = null; 9603 } 9604 9605 if (uid < Process.FIRST_APPLICATION_UID 9606 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9607 Slog.e(TAG, "Failed to finalize " + cid); 9608 PackageHelper.destroySdDir(cid); 9609 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9610 } 9611 9612 boolean mounted = PackageHelper.isContainerMounted(cid); 9613 if (!mounted) { 9614 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9615 } 9616 } 9617 return status; 9618 } 9619 9620 private void cleanUp() { 9621 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9622 9623 // Destroy secure container 9624 PackageHelper.destroySdDir(cid); 9625 } 9626 9627 void cleanUpResourcesLI() { 9628 String sourceFile = getCodePath(); 9629 // Remove dex file 9630 if (instructionSet == null) { 9631 throw new IllegalStateException("instructionSet == null"); 9632 } 9633 int retCode = mInstaller.rmdex(sourceFile, instructionSet); 9634 if (retCode < 0) { 9635 Slog.w(TAG, "Couldn't remove dex file for package: " 9636 + " at location " 9637 + sourceFile.toString() + ", retcode=" + retCode); 9638 // we don't consider this to be a failure of the core package deletion 9639 } 9640 cleanUp(); 9641 } 9642 9643 boolean matchContainer(String app) { 9644 if (cid.startsWith(app)) { 9645 return true; 9646 } 9647 return false; 9648 } 9649 9650 String getPackageName() { 9651 return getAsecPackageName(cid); 9652 } 9653 9654 boolean doPostDeleteLI(boolean delete) { 9655 boolean ret = false; 9656 boolean mounted = PackageHelper.isContainerMounted(cid); 9657 if (mounted) { 9658 // Unmount first 9659 ret = PackageHelper.unMountSdDir(cid); 9660 } 9661 if (ret && delete) { 9662 cleanUpResourcesLI(); 9663 } 9664 return ret; 9665 } 9666 9667 @Override 9668 int doPreCopy() { 9669 if (isFwdLocked()) { 9670 if (!PackageHelper.fixSdPermissions(cid, 9671 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9672 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9673 } 9674 } 9675 9676 return PackageManager.INSTALL_SUCCEEDED; 9677 } 9678 9679 @Override 9680 int doPostCopy(int uid) { 9681 if (isFwdLocked()) { 9682 if (uid < Process.FIRST_APPLICATION_UID 9683 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9684 RES_FILE_NAME)) { 9685 Slog.e(TAG, "Failed to finalize " + cid); 9686 PackageHelper.destroySdDir(cid); 9687 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9688 } 9689 } 9690 9691 return PackageManager.INSTALL_SUCCEEDED; 9692 } 9693 }; 9694 9695 static String getAsecPackageName(String packageCid) { 9696 int idx = packageCid.lastIndexOf("-"); 9697 if (idx == -1) { 9698 return packageCid; 9699 } 9700 return packageCid.substring(0, idx); 9701 } 9702 9703 // Utility method used to create code paths based on package name and available index. 9704 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9705 String idxStr = ""; 9706 int idx = 1; 9707 // Fall back to default value of idx=1 if prefix is not 9708 // part of oldCodePath 9709 if (oldCodePath != null) { 9710 String subStr = oldCodePath; 9711 // Drop the suffix right away 9712 if (subStr.endsWith(suffix)) { 9713 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9714 } 9715 // If oldCodePath already contains prefix find out the 9716 // ending index to either increment or decrement. 9717 int sidx = subStr.lastIndexOf(prefix); 9718 if (sidx != -1) { 9719 subStr = subStr.substring(sidx + prefix.length()); 9720 if (subStr != null) { 9721 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9722 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9723 } 9724 try { 9725 idx = Integer.parseInt(subStr); 9726 if (idx <= 1) { 9727 idx++; 9728 } else { 9729 idx--; 9730 } 9731 } catch(NumberFormatException e) { 9732 } 9733 } 9734 } 9735 } 9736 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9737 return prefix + idxStr; 9738 } 9739 9740 // Utility method used to ignore ADD/REMOVE events 9741 // by directory observer. 9742 private static boolean ignoreCodePath(String fullPathStr) { 9743 String apkName = getApkName(fullPathStr); 9744 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9745 if (idx != -1 && ((idx+1) < apkName.length())) { 9746 // Make sure the package ends with a numeral 9747 String version = apkName.substring(idx+1); 9748 try { 9749 Integer.parseInt(version); 9750 return true; 9751 } catch (NumberFormatException e) {} 9752 } 9753 return false; 9754 } 9755 9756 // Utility method that returns the relative package path with respect 9757 // to the installation directory. Like say for /data/data/com.test-1.apk 9758 // string com.test-1 is returned. 9759 static String getApkName(String codePath) { 9760 if (codePath == null) { 9761 return null; 9762 } 9763 int sidx = codePath.lastIndexOf("/"); 9764 int eidx = codePath.lastIndexOf("."); 9765 if (eidx == -1) { 9766 eidx = codePath.length(); 9767 } else if (eidx == 0) { 9768 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 9769 return null; 9770 } 9771 return codePath.substring(sidx+1, eidx); 9772 } 9773 9774 class PackageInstalledInfo { 9775 String name; 9776 int uid; 9777 // The set of users that originally had this package installed. 9778 int[] origUsers; 9779 // The set of users that now have this package installed. 9780 int[] newUsers; 9781 PackageParser.Package pkg; 9782 int returnCode; 9783 PackageRemovedInfo removedInfo; 9784 9785 // In some error cases we want to convey more info back to the observer 9786 String origPackage; 9787 String origPermission; 9788 } 9789 9790 /* 9791 * Install a non-existing package. 9792 */ 9793 private void installNewPackageLI(PackageParser.Package pkg, 9794 int parseFlags, int scanMode, UserHandle user, 9795 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9796 // Remember this for later, in case we need to rollback this install 9797 String pkgName = pkg.packageName; 9798 9799 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9800 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9801 synchronized(mPackages) { 9802 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9803 // A package with the same name is already installed, though 9804 // it has been renamed to an older name. The package we 9805 // are trying to install should be installed as an update to 9806 // the existing one, but that has not been requested, so bail. 9807 Slog.w(TAG, "Attempt to re-install " + pkgName 9808 + " without first uninstalling package running as " 9809 + mSettings.mRenamedPackages.get(pkgName)); 9810 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9811 return; 9812 } 9813 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 9814 // Don't allow installation over an existing package with the same name. 9815 Slog.w(TAG, "Attempt to re-install " + pkgName 9816 + " without first uninstalling."); 9817 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 9818 return; 9819 } 9820 } 9821 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9822 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 9823 System.currentTimeMillis(), user, abiOverride); 9824 if (newPackage == null) { 9825 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9826 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9827 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9828 } 9829 } else { 9830 updateSettingsLI(newPackage, 9831 installerPackageName, 9832 null, null, 9833 res); 9834 // delete the partially installed application. the data directory will have to be 9835 // restored if it was already existing 9836 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9837 // remove package from internal structures. Note that we want deletePackageX to 9838 // delete the package data and cache directories that it created in 9839 // scanPackageLocked, unless those directories existed before we even tried to 9840 // install. 9841 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 9842 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 9843 res.removedInfo, true); 9844 } 9845 } 9846 } 9847 9848 private void replacePackageLI(PackageParser.Package pkg, 9849 int parseFlags, int scanMode, UserHandle user, 9850 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9851 9852 PackageParser.Package oldPackage; 9853 String pkgName = pkg.packageName; 9854 int[] allUsers; 9855 boolean[] perUserInstalled; 9856 9857 // First find the old package info and check signatures 9858 synchronized(mPackages) { 9859 oldPackage = mPackages.get(pkgName); 9860 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 9861 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 9862 != PackageManager.SIGNATURE_MATCH) { 9863 Slog.w(TAG, "New package has a different signature: " + pkgName); 9864 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 9865 return; 9866 } 9867 9868 // In case of rollback, remember per-user/profile install state 9869 PackageSetting ps = mSettings.mPackages.get(pkgName); 9870 allUsers = sUserManager.getUserIds(); 9871 perUserInstalled = new boolean[allUsers.length]; 9872 for (int i = 0; i < allUsers.length; i++) { 9873 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9874 } 9875 } 9876 boolean sysPkg = (isSystemApp(oldPackage)); 9877 if (sysPkg) { 9878 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9879 user, allUsers, perUserInstalled, installerPackageName, res, 9880 abiOverride); 9881 } else { 9882 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 9883 user, allUsers, perUserInstalled, installerPackageName, res, 9884 abiOverride); 9885 } 9886 } 9887 9888 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 9889 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9890 int[] allUsers, boolean[] perUserInstalled, 9891 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9892 PackageParser.Package newPackage = null; 9893 String pkgName = deletedPackage.packageName; 9894 boolean deletedPkg = true; 9895 boolean updatedSettings = false; 9896 9897 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 9898 + deletedPackage); 9899 long origUpdateTime; 9900 if (pkg.mExtras != null) { 9901 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 9902 } else { 9903 origUpdateTime = 0; 9904 } 9905 9906 // First delete the existing package while retaining the data directory 9907 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 9908 res.removedInfo, true)) { 9909 // If the existing package wasn't successfully deleted 9910 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9911 deletedPkg = false; 9912 } else { 9913 // Successfully deleted the old package. Now proceed with re-installation 9914 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9915 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 9916 System.currentTimeMillis(), user, abiOverride); 9917 if (newPackage == null) { 9918 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9919 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9920 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9921 } 9922 } else { 9923 updateSettingsLI(newPackage, 9924 installerPackageName, 9925 allUsers, perUserInstalled, 9926 res); 9927 updatedSettings = true; 9928 } 9929 } 9930 9931 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9932 // remove package from internal structures. Note that we want deletePackageX to 9933 // delete the package data and cache directories that it created in 9934 // scanPackageLocked, unless those directories existed before we even tried to 9935 // install. 9936 if(updatedSettings) { 9937 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 9938 deletePackageLI( 9939 pkgName, null, true, allUsers, perUserInstalled, 9940 PackageManager.DELETE_KEEP_DATA, 9941 res.removedInfo, true); 9942 } 9943 // Since we failed to install the new package we need to restore the old 9944 // package that we deleted. 9945 if (deletedPkg) { 9946 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9947 File restoreFile = new File(deletedPackage.mPath); 9948 // Parse old package 9949 boolean oldOnSd = isExternal(deletedPackage); 9950 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9951 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9952 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9953 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9954 | SCAN_UPDATE_TIME; 9955 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9956 origUpdateTime, null, null) == null) { 9957 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9958 return; 9959 } 9960 // Restore of old package succeeded. Update permissions. 9961 // writer 9962 synchronized (mPackages) { 9963 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9964 UPDATE_PERMISSIONS_ALL); 9965 // can downgrade to reader 9966 mSettings.writeLPr(); 9967 } 9968 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9969 } 9970 } 9971 } 9972 9973 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9974 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9975 int[] allUsers, boolean[] perUserInstalled, 9976 String installerPackageName, PackageInstalledInfo res, String abiOverride) { 9977 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9978 + ", old=" + deletedPackage); 9979 PackageParser.Package newPackage = null; 9980 boolean updatedSettings = false; 9981 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9982 PackageParser.PARSE_IS_SYSTEM; 9983 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9984 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9985 } 9986 String packageName = deletedPackage.packageName; 9987 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9988 if (packageName == null) { 9989 Slog.w(TAG, "Attempt to delete null packageName."); 9990 return; 9991 } 9992 PackageParser.Package oldPkg; 9993 PackageSetting oldPkgSetting; 9994 // reader 9995 synchronized (mPackages) { 9996 oldPkg = mPackages.get(packageName); 9997 oldPkgSetting = mSettings.mPackages.get(packageName); 9998 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9999 (oldPkgSetting == null)) { 10000 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 10001 return; 10002 } 10003 } 10004 10005 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10006 10007 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10008 res.removedInfo.removedPackage = packageName; 10009 // Remove existing system package 10010 removePackageLI(oldPkgSetting, true); 10011 // writer 10012 synchronized (mPackages) { 10013 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 10014 // We didn't need to disable the .apk as a current system package, 10015 // which means we are replacing another update that is already 10016 // installed. We need to make sure to delete the older one's .apk. 10017 res.removedInfo.args = createInstallArgs(0, 10018 deletedPackage.applicationInfo.sourceDir, 10019 deletedPackage.applicationInfo.publicSourceDir, 10020 deletedPackage.applicationInfo.nativeLibraryDir, 10021 getAppInstructionSet(deletedPackage.applicationInfo)); 10022 } else { 10023 res.removedInfo.args = null; 10024 } 10025 } 10026 10027 // Successfully disabled the old package. Now proceed with re-installation 10028 res.returnCode = mLastScanError = PackageManager.INSTALL_SUCCEEDED; 10029 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10030 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user, abiOverride); 10031 if (newPackage == null) { 10032 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 10033 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 10034 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 10035 } 10036 } else { 10037 if (newPackage.mExtras != null) { 10038 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 10039 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10040 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10041 10042 // is the update attempting to change shared user? that isn't going to work... 10043 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10044 Slog.w(TAG, "Forbidding shared user change from " + oldPkgSetting.sharedUser 10045 + " to " + newPkgSetting.sharedUser); 10046 res.returnCode = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 10047 updatedSettings = true; 10048 } 10049 } 10050 10051 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10052 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10053 updatedSettings = true; 10054 } 10055 } 10056 10057 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10058 // Re installation failed. Restore old information 10059 // Remove new pkg information 10060 if (newPackage != null) { 10061 removeInstalledPackageLI(newPackage, true); 10062 } 10063 // Add back the old system package 10064 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user, null); 10065 // Restore the old system information in Settings 10066 synchronized(mPackages) { 10067 if (updatedSettings) { 10068 mSettings.enableSystemPackageLPw(packageName); 10069 mSettings.setInstallerPackageName(packageName, 10070 oldPkgSetting.installerPackageName); 10071 } 10072 mSettings.writeLPr(); 10073 } 10074 } 10075 } 10076 10077 // Utility method used to move dex files during install. 10078 private int moveDexFilesLI(PackageParser.Package newPackage) { 10079 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 10080 final String instructionSet = getAppInstructionSet(newPackage.applicationInfo); 10081 int retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath, 10082 instructionSet); 10083 if (retCode != 0) { 10084 /* 10085 * Programs may be lazily run through dexopt, so the 10086 * source may not exist. However, something seems to 10087 * have gone wrong, so note that dexopt needs to be 10088 * run again and remove the source file. In addition, 10089 * remove the target to make sure there isn't a stale 10090 * file from a previous version of the package. 10091 */ 10092 newPackage.mDexOptNeeded = true; 10093 mInstaller.rmdex(newPackage.mScanPath, instructionSet); 10094 mInstaller.rmdex(newPackage.mPath, instructionSet); 10095 } 10096 } 10097 return PackageManager.INSTALL_SUCCEEDED; 10098 } 10099 10100 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10101 int[] allUsers, boolean[] perUserInstalled, 10102 PackageInstalledInfo res) { 10103 String pkgName = newPackage.packageName; 10104 synchronized (mPackages) { 10105 //write settings. the installStatus will be incomplete at this stage. 10106 //note that the new package setting would have already been 10107 //added to mPackages. It hasn't been persisted yet. 10108 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10109 mSettings.writeLPr(); 10110 } 10111 10112 if ((res.returnCode = moveDexFilesLI(newPackage)) 10113 != PackageManager.INSTALL_SUCCEEDED) { 10114 // Discontinue if moving dex files failed. 10115 return; 10116 } 10117 10118 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 10119 10120 synchronized (mPackages) { 10121 updatePermissionsLPw(newPackage.packageName, newPackage, 10122 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10123 ? UPDATE_PERMISSIONS_ALL : 0)); 10124 // For system-bundled packages, we assume that installing an upgraded version 10125 // of the package implies that the user actually wants to run that new code, 10126 // so we enable the package. 10127 if (isSystemApp(newPackage)) { 10128 // NB: implicit assumption that system package upgrades apply to all users 10129 if (DEBUG_INSTALL) { 10130 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10131 } 10132 PackageSetting ps = mSettings.mPackages.get(pkgName); 10133 if (ps != null) { 10134 if (res.origUsers != null) { 10135 for (int userHandle : res.origUsers) { 10136 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10137 userHandle, installerPackageName); 10138 } 10139 } 10140 // Also convey the prior install/uninstall state 10141 if (allUsers != null && perUserInstalled != null) { 10142 for (int i = 0; i < allUsers.length; i++) { 10143 if (DEBUG_INSTALL) { 10144 Slog.d(TAG, " user " + allUsers[i] 10145 + " => " + perUserInstalled[i]); 10146 } 10147 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10148 } 10149 // these install state changes will be persisted in the 10150 // upcoming call to mSettings.writeLPr(). 10151 } 10152 } 10153 } 10154 res.name = pkgName; 10155 res.uid = newPackage.applicationInfo.uid; 10156 res.pkg = newPackage; 10157 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10158 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10159 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10160 //to update install status 10161 mSettings.writeLPr(); 10162 } 10163 } 10164 10165 private void installPackageLI(InstallArgs args, 10166 boolean newInstall, PackageInstalledInfo res) { 10167 int pFlags = args.flags; 10168 String installerPackageName = args.installerPackageName; 10169 File tmpPackageFile = new File(args.getCodePath()); 10170 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10171 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10172 boolean replace = false; 10173 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 10174 | (newInstall ? SCAN_NEW_INSTALL : 0); 10175 // Result object to be returned 10176 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10177 10178 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10179 // Retrieve PackageSettings and parse package 10180 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10181 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10182 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10183 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 10184 pp.setSeparateProcesses(mSeparateProcesses); 10185 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 10186 null, mMetrics, parseFlags); 10187 if (pkg == null) { 10188 res.returnCode = pp.getParseError(); 10189 return; 10190 } 10191 String pkgName = res.name = pkg.packageName; 10192 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10193 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 10194 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 10195 return; 10196 } 10197 } 10198 if (!pp.collectCertificates(pkg, parseFlags)) { 10199 res.returnCode = pp.getParseError(); 10200 return; 10201 } 10202 10203 /* If the installer passed in a manifest digest, compare it now. */ 10204 if (args.manifestDigest != null) { 10205 if (DEBUG_INSTALL) { 10206 final String parsedManifest = pkg.manifestDigest == null ? "null" 10207 : pkg.manifestDigest.toString(); 10208 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10209 + parsedManifest); 10210 } 10211 10212 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10213 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 10214 return; 10215 } 10216 } else if (DEBUG_INSTALL) { 10217 final String parsedManifest = pkg.manifestDigest == null 10218 ? "null" : pkg.manifestDigest.toString(); 10219 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10220 } 10221 10222 // Get rid of all references to package scan path via parser. 10223 pp = null; 10224 String oldCodePath = null; 10225 boolean systemApp = false; 10226 synchronized (mPackages) { 10227 // Check whether the newly-scanned package wants to define an already-defined perm 10228 int N = pkg.permissions.size(); 10229 for (int i = N-1; i >= 0; i--) { 10230 PackageParser.Permission perm = pkg.permissions.get(i); 10231 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10232 if (bp != null) { 10233 // If the defining package is signed with our cert, it's okay. This 10234 // also includes the "updating the same package" case, of course. 10235 if (compareSignatures(bp.packageSetting.signatures.mSignatures, 10236 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10237 // If the owning package is the system itself, we log but allow 10238 // install to proceed; we fail the install on all other permission 10239 // redefinitions. 10240 if (!bp.sourcePackage.equals("android")) { 10241 Slog.w(TAG, "Package " + pkg.packageName 10242 + " attempting to redeclare permission " + perm.info.name 10243 + " already owned by " + bp.sourcePackage); 10244 res.returnCode = PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 10245 res.origPermission = perm.info.name; 10246 res.origPackage = bp.sourcePackage; 10247 return; 10248 } else { 10249 Slog.w(TAG, "Package " + pkg.packageName 10250 + " attempting to redeclare system permission " 10251 + perm.info.name + "; ignoring new declaration"); 10252 pkg.permissions.remove(i); 10253 } 10254 } 10255 } 10256 } 10257 10258 // Check if installing already existing package 10259 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10260 String oldName = mSettings.mRenamedPackages.get(pkgName); 10261 if (pkg.mOriginalPackages != null 10262 && pkg.mOriginalPackages.contains(oldName) 10263 && mPackages.containsKey(oldName)) { 10264 // This package is derived from an original package, 10265 // and this device has been updating from that original 10266 // name. We must continue using the original name, so 10267 // rename the new package here. 10268 pkg.setPackageName(oldName); 10269 pkgName = pkg.packageName; 10270 replace = true; 10271 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10272 + oldName + " pkgName=" + pkgName); 10273 } else if (mPackages.containsKey(pkgName)) { 10274 // This package, under its official name, already exists 10275 // on the device; we should replace it. 10276 replace = true; 10277 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10278 } 10279 } 10280 PackageSetting ps = mSettings.mPackages.get(pkgName); 10281 if (ps != null) { 10282 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10283 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10284 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10285 systemApp = (ps.pkg.applicationInfo.flags & 10286 ApplicationInfo.FLAG_SYSTEM) != 0; 10287 } 10288 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10289 } 10290 } 10291 10292 if (systemApp && onSd) { 10293 // Disable updates to system apps on sdcard 10294 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 10295 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 10296 return; 10297 } 10298 10299 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 10300 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 10301 return; 10302 } 10303 // Set application objects path explicitly after the rename 10304 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 10305 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 10306 if (replace) { 10307 replacePackageLI(pkg, parseFlags, scanMode, args.user, 10308 installerPackageName, res, args.abiOverride); 10309 } else { 10310 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 10311 installerPackageName, res, args.abiOverride); 10312 } 10313 synchronized (mPackages) { 10314 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10315 if (ps != null) { 10316 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10317 } 10318 } 10319 } 10320 10321 private static boolean isForwardLocked(PackageParser.Package pkg) { 10322 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10323 } 10324 10325 10326 private boolean isForwardLocked(PackageSetting ps) { 10327 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10328 } 10329 10330 private static boolean isExternal(PackageParser.Package pkg) { 10331 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10332 } 10333 10334 private static boolean isExternal(PackageSetting ps) { 10335 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10336 } 10337 10338 private static boolean isSystemApp(PackageParser.Package pkg) { 10339 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10340 } 10341 10342 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10343 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10344 } 10345 10346 private static boolean isSystemApp(ApplicationInfo info) { 10347 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10348 } 10349 10350 private static boolean isSystemApp(PackageSetting ps) { 10351 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10352 } 10353 10354 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10355 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10356 } 10357 10358 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10359 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10360 } 10361 10362 private int packageFlagsToInstallFlags(PackageSetting ps) { 10363 int installFlags = 0; 10364 if (isExternal(ps)) { 10365 installFlags |= PackageManager.INSTALL_EXTERNAL; 10366 } 10367 if (isForwardLocked(ps)) { 10368 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10369 } 10370 return installFlags; 10371 } 10372 10373 private void deleteTempPackageFiles() { 10374 final FilenameFilter filter = new FilenameFilter() { 10375 public boolean accept(File dir, String name) { 10376 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10377 } 10378 }; 10379 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 10380 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 10381 } 10382 10383 private static final void deleteTempPackageFilesInDirectory(File directory, 10384 FilenameFilter filter) { 10385 final String[] tmpFilesList = directory.list(filter); 10386 if (tmpFilesList == null) { 10387 return; 10388 } 10389 for (int i = 0; i < tmpFilesList.length; i++) { 10390 final File tmpFile = new File(directory, tmpFilesList[i]); 10391 tmpFile.delete(); 10392 } 10393 } 10394 10395 private File createTempPackageFile(File installDir) { 10396 File tmpPackageFile; 10397 try { 10398 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 10399 } catch (IOException e) { 10400 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 10401 return null; 10402 } 10403 try { 10404 FileUtils.setPermissions( 10405 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 10406 -1, -1); 10407 if (!SELinux.restorecon(tmpPackageFile)) { 10408 return null; 10409 } 10410 } catch (IOException e) { 10411 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 10412 return null; 10413 } 10414 return tmpPackageFile; 10415 } 10416 10417 @Override 10418 public void deletePackageAsUser(final String packageName, 10419 final IPackageDeleteObserver observer, 10420 final int userId, final int flags) { 10421 mContext.enforceCallingOrSelfPermission( 10422 android.Manifest.permission.DELETE_PACKAGES, null); 10423 final int uid = Binder.getCallingUid(); 10424 if (UserHandle.getUserId(uid) != userId) { 10425 mContext.enforceCallingPermission( 10426 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10427 "deletePackage for user " + userId); 10428 } 10429 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10430 try { 10431 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 10432 } catch (RemoteException re) { 10433 } 10434 return; 10435 } 10436 10437 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10438 // Queue up an async operation since the package deletion may take a little while. 10439 mHandler.post(new Runnable() { 10440 public void run() { 10441 mHandler.removeCallbacks(this); 10442 final int returnCode = deletePackageX(packageName, userId, flags); 10443 if (observer != null) { 10444 try { 10445 observer.packageDeleted(packageName, returnCode); 10446 } catch (RemoteException e) { 10447 Log.i(TAG, "Observer no longer exists."); 10448 } //end catch 10449 } //end if 10450 } //end run 10451 }); 10452 } 10453 10454 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10455 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10456 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10457 try { 10458 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 10459 || dpm.isDeviceOwner(packageName))) { 10460 return true; 10461 } 10462 } catch (RemoteException e) { 10463 } 10464 return false; 10465 } 10466 10467 /** 10468 * This method is an internal method that could be get invoked either 10469 * to delete an installed package or to clean up a failed installation. 10470 * After deleting an installed package, a broadcast is sent to notify any 10471 * listeners that the package has been installed. For cleaning up a failed 10472 * installation, the broadcast is not necessary since the package's 10473 * installation wouldn't have sent the initial broadcast either 10474 * The key steps in deleting a package are 10475 * deleting the package information in internal structures like mPackages, 10476 * deleting the packages base directories through installd 10477 * updating mSettings to reflect current status 10478 * persisting settings for later use 10479 * sending a broadcast if necessary 10480 */ 10481 private int deletePackageX(String packageName, int userId, int flags) { 10482 final PackageRemovedInfo info = new PackageRemovedInfo(); 10483 final boolean res; 10484 10485 if (isPackageDeviceAdmin(packageName, userId)) { 10486 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10487 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10488 } 10489 10490 boolean removedForAllUsers = false; 10491 boolean systemUpdate = false; 10492 10493 // for the uninstall-updates case and restricted profiles, remember the per- 10494 // userhandle installed state 10495 int[] allUsers; 10496 boolean[] perUserInstalled; 10497 synchronized (mPackages) { 10498 PackageSetting ps = mSettings.mPackages.get(packageName); 10499 allUsers = sUserManager.getUserIds(); 10500 perUserInstalled = new boolean[allUsers.length]; 10501 for (int i = 0; i < allUsers.length; i++) { 10502 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10503 } 10504 } 10505 10506 synchronized (mInstallLock) { 10507 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10508 res = deletePackageLI(packageName, 10509 (flags & PackageManager.DELETE_ALL_USERS) != 0 10510 ? UserHandle.ALL : new UserHandle(userId), 10511 true, allUsers, perUserInstalled, 10512 flags | REMOVE_CHATTY, info, true); 10513 systemUpdate = info.isRemovedPackageSystemUpdate; 10514 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10515 removedForAllUsers = true; 10516 } 10517 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10518 + " removedForAllUsers=" + removedForAllUsers); 10519 } 10520 10521 if (res) { 10522 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10523 10524 // If the removed package was a system update, the old system package 10525 // was re-enabled; we need to broadcast this information 10526 if (systemUpdate) { 10527 Bundle extras = new Bundle(1); 10528 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10529 ? info.removedAppId : info.uid); 10530 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10531 10532 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10533 extras, null, null, null); 10534 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10535 extras, null, null, null); 10536 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10537 null, packageName, null, null); 10538 } 10539 } 10540 // Force a gc here. 10541 Runtime.getRuntime().gc(); 10542 // Delete the resources here after sending the broadcast to let 10543 // other processes clean up before deleting resources. 10544 if (info.args != null) { 10545 synchronized (mInstallLock) { 10546 info.args.doPostDeleteLI(true); 10547 } 10548 } 10549 10550 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10551 } 10552 10553 static class PackageRemovedInfo { 10554 String removedPackage; 10555 int uid = -1; 10556 int removedAppId = -1; 10557 int[] removedUsers = null; 10558 boolean isRemovedPackageSystemUpdate = false; 10559 // Clean up resources deleted packages. 10560 InstallArgs args = null; 10561 10562 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10563 Bundle extras = new Bundle(1); 10564 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10565 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10566 if (replacing) { 10567 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10568 } 10569 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10570 if (removedPackage != null) { 10571 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10572 extras, null, null, removedUsers); 10573 if (fullRemove && !replacing) { 10574 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10575 extras, null, null, removedUsers); 10576 } 10577 } 10578 if (removedAppId >= 0) { 10579 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10580 removedUsers); 10581 } 10582 } 10583 } 10584 10585 /* 10586 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10587 * flag is not set, the data directory is removed as well. 10588 * make sure this flag is set for partially installed apps. If not its meaningless to 10589 * delete a partially installed application. 10590 */ 10591 private void removePackageDataLI(PackageSetting ps, 10592 int[] allUserHandles, boolean[] perUserInstalled, 10593 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10594 String packageName = ps.name; 10595 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10596 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10597 // Retrieve object to delete permissions for shared user later on 10598 final PackageSetting deletedPs; 10599 // reader 10600 synchronized (mPackages) { 10601 deletedPs = mSettings.mPackages.get(packageName); 10602 if (outInfo != null) { 10603 outInfo.removedPackage = packageName; 10604 outInfo.removedUsers = deletedPs != null 10605 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10606 : null; 10607 } 10608 } 10609 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10610 removeDataDirsLI(packageName); 10611 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10612 } 10613 // writer 10614 synchronized (mPackages) { 10615 if (deletedPs != null) { 10616 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10617 if (outInfo != null) { 10618 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10619 } 10620 if (deletedPs != null) { 10621 updatePermissionsLPw(deletedPs.name, null, 0); 10622 if (deletedPs.sharedUser != null) { 10623 // remove permissions associated with package 10624 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10625 } 10626 } 10627 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10628 } 10629 // make sure to preserve per-user disabled state if this removal was just 10630 // a downgrade of a system app to the factory package 10631 if (allUserHandles != null && perUserInstalled != null) { 10632 if (DEBUG_REMOVE) { 10633 Slog.d(TAG, "Propagating install state across downgrade"); 10634 } 10635 for (int i = 0; i < allUserHandles.length; i++) { 10636 if (DEBUG_REMOVE) { 10637 Slog.d(TAG, " user " + allUserHandles[i] 10638 + " => " + perUserInstalled[i]); 10639 } 10640 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10641 } 10642 } 10643 } 10644 // can downgrade to reader 10645 if (writeSettings) { 10646 // Save settings now 10647 mSettings.writeLPr(); 10648 } 10649 } 10650 if (outInfo != null) { 10651 // A user ID was deleted here. Go through all users and remove it 10652 // from KeyStore. 10653 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10654 } 10655 } 10656 10657 static boolean locationIsPrivileged(File path) { 10658 try { 10659 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10660 .getCanonicalPath(); 10661 return path.getCanonicalPath().startsWith(privilegedAppDir); 10662 } catch (IOException e) { 10663 Slog.e(TAG, "Unable to access code path " + path); 10664 } 10665 return false; 10666 } 10667 10668 /* 10669 * Tries to delete system package. 10670 */ 10671 private boolean deleteSystemPackageLI(PackageSetting newPs, 10672 int[] allUserHandles, boolean[] perUserInstalled, 10673 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10674 final boolean applyUserRestrictions 10675 = (allUserHandles != null) && (perUserInstalled != null); 10676 PackageSetting disabledPs = null; 10677 // Confirm if the system package has been updated 10678 // An updated system app can be deleted. This will also have to restore 10679 // the system pkg from system partition 10680 // reader 10681 synchronized (mPackages) { 10682 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10683 } 10684 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10685 + " disabledPs=" + disabledPs); 10686 if (disabledPs == null) { 10687 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10688 return false; 10689 } else if (DEBUG_REMOVE) { 10690 Slog.d(TAG, "Deleting system pkg from data partition"); 10691 } 10692 if (DEBUG_REMOVE) { 10693 if (applyUserRestrictions) { 10694 Slog.d(TAG, "Remembering install states:"); 10695 for (int i = 0; i < allUserHandles.length; i++) { 10696 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10697 } 10698 } 10699 } 10700 // Delete the updated package 10701 outInfo.isRemovedPackageSystemUpdate = true; 10702 if (disabledPs.versionCode < newPs.versionCode) { 10703 // Delete data for downgrades 10704 flags &= ~PackageManager.DELETE_KEEP_DATA; 10705 } else { 10706 // Preserve data by setting flag 10707 flags |= PackageManager.DELETE_KEEP_DATA; 10708 } 10709 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10710 allUserHandles, perUserInstalled, outInfo, writeSettings); 10711 if (!ret) { 10712 return false; 10713 } 10714 // writer 10715 synchronized (mPackages) { 10716 // Reinstate the old system package 10717 mSettings.enableSystemPackageLPw(newPs.name); 10718 // Remove any native libraries from the upgraded package. 10719 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 10720 } 10721 // Install the system package 10722 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10723 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10724 if (locationIsPrivileged(disabledPs.codePath)) { 10725 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10726 } 10727 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 10728 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null, null); 10729 10730 if (newPkg == null) { 10731 Slog.w(TAG, "Failed to restore system package:" + newPs.name 10732 + " with error:" + mLastScanError); 10733 return false; 10734 } 10735 // writer 10736 synchronized (mPackages) { 10737 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10738 setInternalAppNativeLibraryPath(newPkg, ps); 10739 updatePermissionsLPw(newPkg.packageName, newPkg, 10740 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10741 if (applyUserRestrictions) { 10742 if (DEBUG_REMOVE) { 10743 Slog.d(TAG, "Propagating install state across reinstall"); 10744 } 10745 for (int i = 0; i < allUserHandles.length; i++) { 10746 if (DEBUG_REMOVE) { 10747 Slog.d(TAG, " user " + allUserHandles[i] 10748 + " => " + perUserInstalled[i]); 10749 } 10750 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10751 } 10752 // Regardless of writeSettings we need to ensure that this restriction 10753 // state propagation is persisted 10754 mSettings.writeAllUsersPackageRestrictionsLPr(); 10755 } 10756 // can downgrade to reader here 10757 if (writeSettings) { 10758 mSettings.writeLPr(); 10759 } 10760 } 10761 return true; 10762 } 10763 10764 private boolean deleteInstalledPackageLI(PackageSetting ps, 10765 boolean deleteCodeAndResources, int flags, 10766 int[] allUserHandles, boolean[] perUserInstalled, 10767 PackageRemovedInfo outInfo, boolean writeSettings) { 10768 if (outInfo != null) { 10769 outInfo.uid = ps.appId; 10770 } 10771 10772 // Delete package data from internal structures and also remove data if flag is set 10773 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10774 10775 // Delete application code and resources 10776 if (deleteCodeAndResources && (outInfo != null)) { 10777 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 10778 ps.resourcePathString, ps.nativeLibraryPathString, 10779 getAppInstructionSetFromSettings(ps)); 10780 } 10781 return true; 10782 } 10783 10784 /* 10785 * This method handles package deletion in general 10786 */ 10787 private boolean deletePackageLI(String packageName, UserHandle user, 10788 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 10789 int flags, PackageRemovedInfo outInfo, 10790 boolean writeSettings) { 10791 if (packageName == null) { 10792 Slog.w(TAG, "Attempt to delete null packageName."); 10793 return false; 10794 } 10795 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 10796 PackageSetting ps; 10797 boolean dataOnly = false; 10798 int removeUser = -1; 10799 int appId = -1; 10800 synchronized (mPackages) { 10801 ps = mSettings.mPackages.get(packageName); 10802 if (ps == null) { 10803 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10804 return false; 10805 } 10806 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 10807 && user.getIdentifier() != UserHandle.USER_ALL) { 10808 // The caller is asking that the package only be deleted for a single 10809 // user. To do this, we just mark its uninstalled state and delete 10810 // its data. If this is a system app, we only allow this to happen if 10811 // they have set the special DELETE_SYSTEM_APP which requests different 10812 // semantics than normal for uninstalling system apps. 10813 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 10814 ps.setUserState(user.getIdentifier(), 10815 COMPONENT_ENABLED_STATE_DEFAULT, 10816 false, //installed 10817 true, //stopped 10818 true, //notLaunched 10819 false, //blocked 10820 null, null, null); 10821 if (!isSystemApp(ps)) { 10822 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 10823 // Other user still have this package installed, so all 10824 // we need to do is clear this user's data and save that 10825 // it is uninstalled. 10826 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 10827 removeUser = user.getIdentifier(); 10828 appId = ps.appId; 10829 mSettings.writePackageRestrictionsLPr(removeUser); 10830 } else { 10831 // We need to set it back to 'installed' so the uninstall 10832 // broadcasts will be sent correctly. 10833 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 10834 ps.setInstalled(true, user.getIdentifier()); 10835 } 10836 } else { 10837 // This is a system app, so we assume that the 10838 // other users still have this package installed, so all 10839 // we need to do is clear this user's data and save that 10840 // it is uninstalled. 10841 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 10842 removeUser = user.getIdentifier(); 10843 appId = ps.appId; 10844 mSettings.writePackageRestrictionsLPr(removeUser); 10845 } 10846 } 10847 } 10848 10849 if (removeUser >= 0) { 10850 // From above, we determined that we are deleting this only 10851 // for a single user. Continue the work here. 10852 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 10853 if (outInfo != null) { 10854 outInfo.removedPackage = packageName; 10855 outInfo.removedAppId = appId; 10856 outInfo.removedUsers = new int[] {removeUser}; 10857 } 10858 mInstaller.clearUserData(packageName, removeUser); 10859 removeKeystoreDataIfNeeded(removeUser, appId); 10860 schedulePackageCleaning(packageName, removeUser, false); 10861 return true; 10862 } 10863 10864 if (dataOnly) { 10865 // Delete application data first 10866 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 10867 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 10868 return true; 10869 } 10870 10871 boolean ret = false; 10872 mSettings.mKeySetManager.removeAppKeySetData(packageName); 10873 if (isSystemApp(ps)) { 10874 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 10875 // When an updated system application is deleted we delete the existing resources as well and 10876 // fall back to existing code in system partition 10877 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 10878 flags, outInfo, writeSettings); 10879 } else { 10880 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 10881 // Kill application pre-emptively especially for apps on sd. 10882 killApplication(packageName, ps.appId, "uninstall pkg"); 10883 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 10884 allUserHandles, perUserInstalled, 10885 outInfo, writeSettings); 10886 } 10887 10888 return ret; 10889 } 10890 10891 private final class ClearStorageConnection implements ServiceConnection { 10892 IMediaContainerService mContainerService; 10893 10894 @Override 10895 public void onServiceConnected(ComponentName name, IBinder service) { 10896 synchronized (this) { 10897 mContainerService = IMediaContainerService.Stub.asInterface(service); 10898 notifyAll(); 10899 } 10900 } 10901 10902 @Override 10903 public void onServiceDisconnected(ComponentName name) { 10904 } 10905 } 10906 10907 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 10908 final boolean mounted; 10909 if (Environment.isExternalStorageEmulated()) { 10910 mounted = true; 10911 } else { 10912 final String status = Environment.getExternalStorageState(); 10913 10914 mounted = status.equals(Environment.MEDIA_MOUNTED) 10915 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 10916 } 10917 10918 if (!mounted) { 10919 return; 10920 } 10921 10922 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 10923 int[] users; 10924 if (userId == UserHandle.USER_ALL) { 10925 users = sUserManager.getUserIds(); 10926 } else { 10927 users = new int[] { userId }; 10928 } 10929 final ClearStorageConnection conn = new ClearStorageConnection(); 10930 if (mContext.bindServiceAsUser( 10931 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 10932 try { 10933 for (int curUser : users) { 10934 long timeout = SystemClock.uptimeMillis() + 5000; 10935 synchronized (conn) { 10936 long now = SystemClock.uptimeMillis(); 10937 while (conn.mContainerService == null && now < timeout) { 10938 try { 10939 conn.wait(timeout - now); 10940 } catch (InterruptedException e) { 10941 } 10942 } 10943 } 10944 if (conn.mContainerService == null) { 10945 return; 10946 } 10947 10948 final UserEnvironment userEnv = new UserEnvironment(curUser); 10949 clearDirectory(conn.mContainerService, 10950 userEnv.buildExternalStorageAppCacheDirs(packageName)); 10951 if (allData) { 10952 clearDirectory(conn.mContainerService, 10953 userEnv.buildExternalStorageAppDataDirs(packageName)); 10954 clearDirectory(conn.mContainerService, 10955 userEnv.buildExternalStorageAppMediaDirs(packageName)); 10956 } 10957 } 10958 } finally { 10959 mContext.unbindService(conn); 10960 } 10961 } 10962 } 10963 10964 @Override 10965 public void clearApplicationUserData(final String packageName, 10966 final IPackageDataObserver observer, final int userId) { 10967 mContext.enforceCallingOrSelfPermission( 10968 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 10969 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 10970 // Queue up an async operation since the package deletion may take a little while. 10971 mHandler.post(new Runnable() { 10972 public void run() { 10973 mHandler.removeCallbacks(this); 10974 final boolean succeeded; 10975 synchronized (mInstallLock) { 10976 succeeded = clearApplicationUserDataLI(packageName, userId); 10977 } 10978 clearExternalStorageDataSync(packageName, userId, true); 10979 if (succeeded) { 10980 // invoke DeviceStorageMonitor's update method to clear any notifications 10981 DeviceStorageMonitorInternal 10982 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 10983 if (dsm != null) { 10984 dsm.checkMemory(); 10985 } 10986 } 10987 if(observer != null) { 10988 try { 10989 observer.onRemoveCompleted(packageName, succeeded); 10990 } catch (RemoteException e) { 10991 Log.i(TAG, "Observer no longer exists."); 10992 } 10993 } //end if observer 10994 } //end run 10995 }); 10996 } 10997 10998 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10999 if (packageName == null) { 11000 Slog.w(TAG, "Attempt to delete null packageName."); 11001 return false; 11002 } 11003 PackageParser.Package p; 11004 boolean dataOnly = false; 11005 final int appId; 11006 synchronized (mPackages) { 11007 p = mPackages.get(packageName); 11008 if (p == null) { 11009 dataOnly = true; 11010 PackageSetting ps = mSettings.mPackages.get(packageName); 11011 if ((ps == null) || (ps.pkg == null)) { 11012 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11013 return false; 11014 } 11015 p = ps.pkg; 11016 } 11017 if (!dataOnly) { 11018 // need to check this only for fully installed applications 11019 if (p == null) { 11020 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11021 return false; 11022 } 11023 final ApplicationInfo applicationInfo = p.applicationInfo; 11024 if (applicationInfo == null) { 11025 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11026 return false; 11027 } 11028 } 11029 if (p != null && p.applicationInfo != null) { 11030 appId = p.applicationInfo.uid; 11031 } else { 11032 appId = -1; 11033 } 11034 } 11035 int retCode = mInstaller.clearUserData(packageName, userId); 11036 if (retCode < 0) { 11037 Slog.w(TAG, "Couldn't remove cache files for package: " 11038 + packageName); 11039 return false; 11040 } 11041 removeKeystoreDataIfNeeded(userId, appId); 11042 return true; 11043 } 11044 11045 /** 11046 * Remove entries from the keystore daemon. Will only remove it if the 11047 * {@code appId} is valid. 11048 */ 11049 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11050 if (appId < 0) { 11051 return; 11052 } 11053 11054 final KeyStore keyStore = KeyStore.getInstance(); 11055 if (keyStore != null) { 11056 if (userId == UserHandle.USER_ALL) { 11057 for (final int individual : sUserManager.getUserIds()) { 11058 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11059 } 11060 } else { 11061 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11062 } 11063 } else { 11064 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11065 } 11066 } 11067 11068 @Override 11069 public void deleteApplicationCacheFiles(final String packageName, 11070 final IPackageDataObserver observer) { 11071 mContext.enforceCallingOrSelfPermission( 11072 android.Manifest.permission.DELETE_CACHE_FILES, null); 11073 // Queue up an async operation since the package deletion may take a little while. 11074 final int userId = UserHandle.getCallingUserId(); 11075 mHandler.post(new Runnable() { 11076 public void run() { 11077 mHandler.removeCallbacks(this); 11078 final boolean succeded; 11079 synchronized (mInstallLock) { 11080 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11081 } 11082 clearExternalStorageDataSync(packageName, userId, false); 11083 if(observer != null) { 11084 try { 11085 observer.onRemoveCompleted(packageName, succeded); 11086 } catch (RemoteException e) { 11087 Log.i(TAG, "Observer no longer exists."); 11088 } 11089 } //end if observer 11090 } //end run 11091 }); 11092 } 11093 11094 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11095 if (packageName == null) { 11096 Slog.w(TAG, "Attempt to delete null packageName."); 11097 return false; 11098 } 11099 PackageParser.Package p; 11100 synchronized (mPackages) { 11101 p = mPackages.get(packageName); 11102 } 11103 if (p == null) { 11104 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11105 return false; 11106 } 11107 final ApplicationInfo applicationInfo = p.applicationInfo; 11108 if (applicationInfo == null) { 11109 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11110 return false; 11111 } 11112 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11113 if (retCode < 0) { 11114 Slog.w(TAG, "Couldn't remove cache files for package: " 11115 + packageName + " u" + userId); 11116 return false; 11117 } 11118 return true; 11119 } 11120 11121 @Override 11122 public void getPackageSizeInfo(final String packageName, int userHandle, 11123 final IPackageStatsObserver observer) { 11124 mContext.enforceCallingOrSelfPermission( 11125 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11126 if (packageName == null) { 11127 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11128 } 11129 11130 PackageStats stats = new PackageStats(packageName, userHandle); 11131 11132 /* 11133 * Queue up an async operation since the package measurement may take a 11134 * little while. 11135 */ 11136 Message msg = mHandler.obtainMessage(INIT_COPY); 11137 msg.obj = new MeasureParams(stats, observer); 11138 mHandler.sendMessage(msg); 11139 } 11140 11141 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11142 PackageStats pStats) { 11143 if (packageName == null) { 11144 Slog.w(TAG, "Attempt to get size of null packageName."); 11145 return false; 11146 } 11147 PackageParser.Package p; 11148 boolean dataOnly = false; 11149 String libDirPath = null; 11150 String asecPath = null; 11151 PackageSetting ps = null; 11152 synchronized (mPackages) { 11153 p = mPackages.get(packageName); 11154 ps = mSettings.mPackages.get(packageName); 11155 if(p == null) { 11156 dataOnly = true; 11157 if((ps == null) || (ps.pkg == null)) { 11158 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11159 return false; 11160 } 11161 p = ps.pkg; 11162 } 11163 if (ps != null) { 11164 libDirPath = ps.nativeLibraryPathString; 11165 } 11166 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11167 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 11168 if (secureContainerId != null) { 11169 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11170 } 11171 } 11172 } 11173 String publicSrcDir = null; 11174 if(!dataOnly) { 11175 final ApplicationInfo applicationInfo = p.applicationInfo; 11176 if (applicationInfo == null) { 11177 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11178 return false; 11179 } 11180 if (isForwardLocked(p)) { 11181 publicSrcDir = applicationInfo.publicSourceDir; 11182 } 11183 } 11184 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 11185 publicSrcDir, asecPath, getAppInstructionSetFromSettings(ps), 11186 pStats); 11187 if (res < 0) { 11188 return false; 11189 } 11190 11191 // Fix-up for forward-locked applications in ASEC containers. 11192 if (!isExternal(p)) { 11193 pStats.codeSize += pStats.externalCodeSize; 11194 pStats.externalCodeSize = 0L; 11195 } 11196 11197 return true; 11198 } 11199 11200 11201 @Override 11202 public void addPackageToPreferred(String packageName) { 11203 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11204 } 11205 11206 @Override 11207 public void removePackageFromPreferred(String packageName) { 11208 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11209 } 11210 11211 @Override 11212 public List<PackageInfo> getPreferredPackages(int flags) { 11213 return new ArrayList<PackageInfo>(); 11214 } 11215 11216 private int getUidTargetSdkVersionLockedLPr(int uid) { 11217 Object obj = mSettings.getUserIdLPr(uid); 11218 if (obj instanceof SharedUserSetting) { 11219 final SharedUserSetting sus = (SharedUserSetting) obj; 11220 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11221 final Iterator<PackageSetting> it = sus.packages.iterator(); 11222 while (it.hasNext()) { 11223 final PackageSetting ps = it.next(); 11224 if (ps.pkg != null) { 11225 int v = ps.pkg.applicationInfo.targetSdkVersion; 11226 if (v < vers) vers = v; 11227 } 11228 } 11229 return vers; 11230 } else if (obj instanceof PackageSetting) { 11231 final PackageSetting ps = (PackageSetting) obj; 11232 if (ps.pkg != null) { 11233 return ps.pkg.applicationInfo.targetSdkVersion; 11234 } 11235 } 11236 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11237 } 11238 11239 @Override 11240 public void addPreferredActivity(IntentFilter filter, int match, 11241 ComponentName[] set, ComponentName activity, int userId) { 11242 addPreferredActivityInternal(filter, match, set, activity, true, userId); 11243 } 11244 11245 private void addPreferredActivityInternal(IntentFilter filter, int match, 11246 ComponentName[] set, ComponentName activity, boolean always, int userId) { 11247 // writer 11248 int callingUid = Binder.getCallingUid(); 11249 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 11250 if (filter.countActions() == 0) { 11251 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11252 return; 11253 } 11254 synchronized (mPackages) { 11255 if (mContext.checkCallingOrSelfPermission( 11256 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11257 != PackageManager.PERMISSION_GRANTED) { 11258 if (getUidTargetSdkVersionLockedLPr(callingUid) 11259 < Build.VERSION_CODES.FROYO) { 11260 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11261 + callingUid); 11262 return; 11263 } 11264 mContext.enforceCallingOrSelfPermission( 11265 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11266 } 11267 11268 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 11269 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11270 mSettings.editPreferredActivitiesLPw(userId).addFilter( 11271 new PreferredActivity(filter, match, set, activity, always)); 11272 mSettings.writePackageRestrictionsLPr(userId); 11273 } 11274 } 11275 11276 @Override 11277 public void replacePreferredActivity(IntentFilter filter, int match, 11278 ComponentName[] set, ComponentName activity) { 11279 if (filter.countActions() != 1) { 11280 throw new IllegalArgumentException( 11281 "replacePreferredActivity expects filter to have only 1 action."); 11282 } 11283 if (filter.countDataAuthorities() != 0 11284 || filter.countDataPaths() != 0 11285 || filter.countDataSchemes() > 1 11286 || filter.countDataTypes() != 0) { 11287 throw new IllegalArgumentException( 11288 "replacePreferredActivity expects filter to have no data authorities, " + 11289 "paths, or types; and at most one scheme."); 11290 } 11291 synchronized (mPackages) { 11292 if (mContext.checkCallingOrSelfPermission( 11293 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11294 != PackageManager.PERMISSION_GRANTED) { 11295 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11296 < Build.VERSION_CODES.FROYO) { 11297 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11298 + Binder.getCallingUid()); 11299 return; 11300 } 11301 mContext.enforceCallingOrSelfPermission( 11302 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11303 } 11304 11305 final int callingUserId = UserHandle.getCallingUserId(); 11306 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 11307 if (pir != null) { 11308 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 11309 if (filter.countDataSchemes() == 1) { 11310 Uri.Builder builder = new Uri.Builder(); 11311 builder.scheme(filter.getDataScheme(0)); 11312 intent.setData(builder.build()); 11313 } 11314 List<PreferredActivity> matches = pir.queryIntent( 11315 intent, null, true, callingUserId); 11316 if (DEBUG_PREFERRED) { 11317 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 11318 } 11319 for (int i = 0; i < matches.size(); i++) { 11320 PreferredActivity pa = matches.get(i); 11321 if (DEBUG_PREFERRED) { 11322 Slog.i(TAG, "Removing preferred activity " 11323 + pa.mPref.mComponent + ":"); 11324 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11325 } 11326 pir.removeFilter(pa); 11327 } 11328 } 11329 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 11330 } 11331 } 11332 11333 @Override 11334 public void clearPackagePreferredActivities(String packageName) { 11335 final int uid = Binder.getCallingUid(); 11336 // writer 11337 synchronized (mPackages) { 11338 PackageParser.Package pkg = mPackages.get(packageName); 11339 if (pkg == null || pkg.applicationInfo.uid != uid) { 11340 if (mContext.checkCallingOrSelfPermission( 11341 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11342 != PackageManager.PERMISSION_GRANTED) { 11343 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11344 < Build.VERSION_CODES.FROYO) { 11345 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11346 + Binder.getCallingUid()); 11347 return; 11348 } 11349 mContext.enforceCallingOrSelfPermission( 11350 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11351 } 11352 } 11353 11354 int user = UserHandle.getCallingUserId(); 11355 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11356 mSettings.writePackageRestrictionsLPr(user); 11357 scheduleWriteSettingsLocked(); 11358 } 11359 } 11360 } 11361 11362 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11363 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11364 ArrayList<PreferredActivity> removed = null; 11365 boolean changed = false; 11366 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11367 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11368 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11369 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11370 continue; 11371 } 11372 Iterator<PreferredActivity> it = pir.filterIterator(); 11373 while (it.hasNext()) { 11374 PreferredActivity pa = it.next(); 11375 // Mark entry for removal only if it matches the package name 11376 // and the entry is of type "always". 11377 if (packageName == null || 11378 (pa.mPref.mComponent.getPackageName().equals(packageName) 11379 && pa.mPref.mAlways)) { 11380 if (removed == null) { 11381 removed = new ArrayList<PreferredActivity>(); 11382 } 11383 removed.add(pa); 11384 } 11385 } 11386 if (removed != null) { 11387 for (int j=0; j<removed.size(); j++) { 11388 PreferredActivity pa = removed.get(j); 11389 pir.removeFilter(pa); 11390 } 11391 changed = true; 11392 } 11393 } 11394 return changed; 11395 } 11396 11397 @Override 11398 public void resetPreferredActivities(int userId) { 11399 mContext.enforceCallingOrSelfPermission( 11400 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11401 // writer 11402 synchronized (mPackages) { 11403 int user = UserHandle.getCallingUserId(); 11404 clearPackagePreferredActivitiesLPw(null, user); 11405 mSettings.readDefaultPreferredAppsLPw(this, user); 11406 mSettings.writePackageRestrictionsLPr(user); 11407 scheduleWriteSettingsLocked(); 11408 } 11409 } 11410 11411 @Override 11412 public int getPreferredActivities(List<IntentFilter> outFilters, 11413 List<ComponentName> outActivities, String packageName) { 11414 11415 int num = 0; 11416 final int userId = UserHandle.getCallingUserId(); 11417 // reader 11418 synchronized (mPackages) { 11419 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11420 if (pir != null) { 11421 final Iterator<PreferredActivity> it = pir.filterIterator(); 11422 while (it.hasNext()) { 11423 final PreferredActivity pa = it.next(); 11424 if (packageName == null 11425 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11426 && pa.mPref.mAlways)) { 11427 if (outFilters != null) { 11428 outFilters.add(new IntentFilter(pa)); 11429 } 11430 if (outActivities != null) { 11431 outActivities.add(pa.mPref.mComponent); 11432 } 11433 } 11434 } 11435 } 11436 } 11437 11438 return num; 11439 } 11440 11441 @Override 11442 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11443 int userId) { 11444 int callingUid = Binder.getCallingUid(); 11445 if (callingUid != Process.SYSTEM_UID) { 11446 throw new SecurityException( 11447 "addPersistentPreferredActivity can only be run by the system"); 11448 } 11449 if (filter.countActions() == 0) { 11450 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11451 return; 11452 } 11453 synchronized (mPackages) { 11454 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11455 " :"); 11456 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11457 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11458 new PersistentPreferredActivity(filter, activity)); 11459 mSettings.writePackageRestrictionsLPr(userId); 11460 } 11461 } 11462 11463 @Override 11464 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11465 int callingUid = Binder.getCallingUid(); 11466 if (callingUid != Process.SYSTEM_UID) { 11467 throw new SecurityException( 11468 "clearPackagePersistentPreferredActivities can only be run by the system"); 11469 } 11470 ArrayList<PersistentPreferredActivity> removed = null; 11471 boolean changed = false; 11472 synchronized (mPackages) { 11473 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11474 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11475 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11476 .valueAt(i); 11477 if (userId != thisUserId) { 11478 continue; 11479 } 11480 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11481 while (it.hasNext()) { 11482 PersistentPreferredActivity ppa = it.next(); 11483 // Mark entry for removal only if it matches the package name. 11484 if (ppa.mComponent.getPackageName().equals(packageName)) { 11485 if (removed == null) { 11486 removed = new ArrayList<PersistentPreferredActivity>(); 11487 } 11488 removed.add(ppa); 11489 } 11490 } 11491 if (removed != null) { 11492 for (int j=0; j<removed.size(); j++) { 11493 PersistentPreferredActivity ppa = removed.get(j); 11494 ppir.removeFilter(ppa); 11495 } 11496 changed = true; 11497 } 11498 } 11499 11500 if (changed) { 11501 mSettings.writePackageRestrictionsLPr(userId); 11502 } 11503 } 11504 } 11505 11506 @Override 11507 public void addCrossProfileIntentFilter(IntentFilter filter, boolean removable, 11508 int sourceUserId, int targetUserId) { 11509 mContext.enforceCallingOrSelfPermission( 11510 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11511 if (filter.countActions() == 0) { 11512 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11513 return; 11514 } 11515 synchronized (mPackages) { 11516 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter( 11517 new CrossProfileIntentFilter(filter, removable, targetUserId)); 11518 mSettings.writePackageRestrictionsLPr(sourceUserId); 11519 } 11520 } 11521 11522 @Override 11523 public void clearCrossProfileIntentFilters(int sourceUserId) { 11524 mContext.enforceCallingOrSelfPermission( 11525 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11526 synchronized (mPackages) { 11527 CrossProfileIntentResolver cpir = 11528 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11529 HashSet<CrossProfileIntentFilter> set = 11530 new HashSet<CrossProfileIntentFilter>(cpir.filterSet()); 11531 for (CrossProfileIntentFilter cpif : set) { 11532 if (cpif.isRemovable()) cpir.removeFilter(cpif); 11533 } 11534 mSettings.writePackageRestrictionsLPr(sourceUserId); 11535 } 11536 } 11537 11538 @Override 11539 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11540 Intent intent = new Intent(Intent.ACTION_MAIN); 11541 intent.addCategory(Intent.CATEGORY_HOME); 11542 11543 final int callingUserId = UserHandle.getCallingUserId(); 11544 List<ResolveInfo> list = queryIntentActivities(intent, null, 11545 PackageManager.GET_META_DATA, callingUserId); 11546 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11547 true, false, false, callingUserId); 11548 11549 allHomeCandidates.clear(); 11550 if (list != null) { 11551 for (ResolveInfo ri : list) { 11552 allHomeCandidates.add(ri); 11553 } 11554 } 11555 return (preferred == null || preferred.activityInfo == null) 11556 ? null 11557 : new ComponentName(preferred.activityInfo.packageName, 11558 preferred.activityInfo.name); 11559 } 11560 11561 @Override 11562 public void setApplicationEnabledSetting(String appPackageName, 11563 int newState, int flags, int userId, String callingPackage) { 11564 if (!sUserManager.exists(userId)) return; 11565 if (callingPackage == null) { 11566 callingPackage = Integer.toString(Binder.getCallingUid()); 11567 } 11568 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11569 } 11570 11571 @Override 11572 public void setComponentEnabledSetting(ComponentName componentName, 11573 int newState, int flags, int userId) { 11574 if (!sUserManager.exists(userId)) return; 11575 setEnabledSetting(componentName.getPackageName(), 11576 componentName.getClassName(), newState, flags, userId, null); 11577 } 11578 11579 private void setEnabledSetting(final String packageName, String className, int newState, 11580 final int flags, int userId, String callingPackage) { 11581 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11582 || newState == COMPONENT_ENABLED_STATE_ENABLED 11583 || newState == COMPONENT_ENABLED_STATE_DISABLED 11584 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11585 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11586 throw new IllegalArgumentException("Invalid new component state: " 11587 + newState); 11588 } 11589 PackageSetting pkgSetting; 11590 final int uid = Binder.getCallingUid(); 11591 final int permission = mContext.checkCallingOrSelfPermission( 11592 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11593 enforceCrossUserPermission(uid, userId, false, "set enabled"); 11594 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11595 boolean sendNow = false; 11596 boolean isApp = (className == null); 11597 String componentName = isApp ? packageName : className; 11598 int packageUid = -1; 11599 ArrayList<String> components; 11600 11601 // writer 11602 synchronized (mPackages) { 11603 pkgSetting = mSettings.mPackages.get(packageName); 11604 if (pkgSetting == null) { 11605 if (className == null) { 11606 throw new IllegalArgumentException( 11607 "Unknown package: " + packageName); 11608 } 11609 throw new IllegalArgumentException( 11610 "Unknown component: " + packageName 11611 + "/" + className); 11612 } 11613 // Allow root and verify that userId is not being specified by a different user 11614 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11615 throw new SecurityException( 11616 "Permission Denial: attempt to change component state from pid=" 11617 + Binder.getCallingPid() 11618 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11619 } 11620 if (className == null) { 11621 // We're dealing with an application/package level state change 11622 if (pkgSetting.getEnabled(userId) == newState) { 11623 // Nothing to do 11624 return; 11625 } 11626 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11627 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11628 // Don't care about who enables an app. 11629 callingPackage = null; 11630 } 11631 pkgSetting.setEnabled(newState, userId, callingPackage); 11632 // pkgSetting.pkg.mSetEnabled = newState; 11633 } else { 11634 // We're dealing with a component level state change 11635 // First, verify that this is a valid class name. 11636 PackageParser.Package pkg = pkgSetting.pkg; 11637 if (pkg == null || !pkg.hasComponentClassName(className)) { 11638 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11639 throw new IllegalArgumentException("Component class " + className 11640 + " does not exist in " + packageName); 11641 } else { 11642 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11643 + className + " does not exist in " + packageName); 11644 } 11645 } 11646 switch (newState) { 11647 case COMPONENT_ENABLED_STATE_ENABLED: 11648 if (!pkgSetting.enableComponentLPw(className, userId)) { 11649 return; 11650 } 11651 break; 11652 case COMPONENT_ENABLED_STATE_DISABLED: 11653 if (!pkgSetting.disableComponentLPw(className, userId)) { 11654 return; 11655 } 11656 break; 11657 case COMPONENT_ENABLED_STATE_DEFAULT: 11658 if (!pkgSetting.restoreComponentLPw(className, userId)) { 11659 return; 11660 } 11661 break; 11662 default: 11663 Slog.e(TAG, "Invalid new component state: " + newState); 11664 return; 11665 } 11666 } 11667 mSettings.writePackageRestrictionsLPr(userId); 11668 components = mPendingBroadcasts.get(userId, packageName); 11669 final boolean newPackage = components == null; 11670 if (newPackage) { 11671 components = new ArrayList<String>(); 11672 } 11673 if (!components.contains(componentName)) { 11674 components.add(componentName); 11675 } 11676 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 11677 sendNow = true; 11678 // Purge entry from pending broadcast list if another one exists already 11679 // since we are sending one right away. 11680 mPendingBroadcasts.remove(userId, packageName); 11681 } else { 11682 if (newPackage) { 11683 mPendingBroadcasts.put(userId, packageName, components); 11684 } 11685 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 11686 // Schedule a message 11687 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 11688 } 11689 } 11690 } 11691 11692 long callingId = Binder.clearCallingIdentity(); 11693 try { 11694 if (sendNow) { 11695 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 11696 sendPackageChangedBroadcast(packageName, 11697 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 11698 } 11699 } finally { 11700 Binder.restoreCallingIdentity(callingId); 11701 } 11702 } 11703 11704 private void sendPackageChangedBroadcast(String packageName, 11705 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 11706 if (DEBUG_INSTALL) 11707 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 11708 + componentNames); 11709 Bundle extras = new Bundle(4); 11710 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 11711 String nameList[] = new String[componentNames.size()]; 11712 componentNames.toArray(nameList); 11713 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 11714 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 11715 extras.putInt(Intent.EXTRA_UID, packageUid); 11716 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 11717 new int[] {UserHandle.getUserId(packageUid)}); 11718 } 11719 11720 @Override 11721 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 11722 if (!sUserManager.exists(userId)) return; 11723 final int uid = Binder.getCallingUid(); 11724 final int permission = mContext.checkCallingOrSelfPermission( 11725 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11726 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11727 enforceCrossUserPermission(uid, userId, true, "stop package"); 11728 // writer 11729 synchronized (mPackages) { 11730 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 11731 uid, userId)) { 11732 scheduleWritePackageRestrictionsLocked(userId); 11733 } 11734 } 11735 } 11736 11737 @Override 11738 public String getInstallerPackageName(String packageName) { 11739 // reader 11740 synchronized (mPackages) { 11741 return mSettings.getInstallerPackageNameLPr(packageName); 11742 } 11743 } 11744 11745 @Override 11746 public int getApplicationEnabledSetting(String packageName, int userId) { 11747 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11748 int uid = Binder.getCallingUid(); 11749 enforceCrossUserPermission(uid, userId, false, "get enabled"); 11750 // reader 11751 synchronized (mPackages) { 11752 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 11753 } 11754 } 11755 11756 @Override 11757 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 11758 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 11759 int uid = Binder.getCallingUid(); 11760 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 11761 // reader 11762 synchronized (mPackages) { 11763 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 11764 } 11765 } 11766 11767 @Override 11768 public void enterSafeMode() { 11769 enforceSystemOrRoot("Only the system can request entering safe mode"); 11770 11771 if (!mSystemReady) { 11772 mSafeMode = true; 11773 } 11774 } 11775 11776 @Override 11777 public void systemReady() { 11778 mSystemReady = true; 11779 11780 // Read the compatibilty setting when the system is ready. 11781 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 11782 mContext.getContentResolver(), 11783 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 11784 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 11785 if (DEBUG_SETTINGS) { 11786 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 11787 } 11788 11789 synchronized (mPackages) { 11790 // Verify that all of the preferred activity components actually 11791 // exist. It is possible for applications to be updated and at 11792 // that point remove a previously declared activity component that 11793 // had been set as a preferred activity. We try to clean this up 11794 // the next time we encounter that preferred activity, but it is 11795 // possible for the user flow to never be able to return to that 11796 // situation so here we do a sanity check to make sure we haven't 11797 // left any junk around. 11798 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 11799 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11800 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11801 removed.clear(); 11802 for (PreferredActivity pa : pir.filterSet()) { 11803 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 11804 removed.add(pa); 11805 } 11806 } 11807 if (removed.size() > 0) { 11808 for (int r=0; r<removed.size(); r++) { 11809 PreferredActivity pa = removed.get(r); 11810 Slog.w(TAG, "Removing dangling preferred activity: " 11811 + pa.mPref.mComponent); 11812 pir.removeFilter(pa); 11813 } 11814 mSettings.writePackageRestrictionsLPr( 11815 mSettings.mPreferredActivities.keyAt(i)); 11816 } 11817 } 11818 } 11819 sUserManager.systemReady(); 11820 } 11821 11822 @Override 11823 public boolean isSafeMode() { 11824 return mSafeMode; 11825 } 11826 11827 @Override 11828 public boolean hasSystemUidErrors() { 11829 return mHasSystemUidErrors; 11830 } 11831 11832 static String arrayToString(int[] array) { 11833 StringBuffer buf = new StringBuffer(128); 11834 buf.append('['); 11835 if (array != null) { 11836 for (int i=0; i<array.length; i++) { 11837 if (i > 0) buf.append(", "); 11838 buf.append(array[i]); 11839 } 11840 } 11841 buf.append(']'); 11842 return buf.toString(); 11843 } 11844 11845 static class DumpState { 11846 public static final int DUMP_LIBS = 1 << 0; 11847 11848 public static final int DUMP_FEATURES = 1 << 1; 11849 11850 public static final int DUMP_RESOLVERS = 1 << 2; 11851 11852 public static final int DUMP_PERMISSIONS = 1 << 3; 11853 11854 public static final int DUMP_PACKAGES = 1 << 4; 11855 11856 public static final int DUMP_SHARED_USERS = 1 << 5; 11857 11858 public static final int DUMP_MESSAGES = 1 << 6; 11859 11860 public static final int DUMP_PROVIDERS = 1 << 7; 11861 11862 public static final int DUMP_VERIFIERS = 1 << 8; 11863 11864 public static final int DUMP_PREFERRED = 1 << 9; 11865 11866 public static final int DUMP_PREFERRED_XML = 1 << 10; 11867 11868 public static final int DUMP_KEYSETS = 1 << 11; 11869 11870 public static final int DUMP_VERSION = 1 << 12; 11871 11872 public static final int OPTION_SHOW_FILTERS = 1 << 0; 11873 11874 private int mTypes; 11875 11876 private int mOptions; 11877 11878 private boolean mTitlePrinted; 11879 11880 private SharedUserSetting mSharedUser; 11881 11882 public boolean isDumping(int type) { 11883 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 11884 return true; 11885 } 11886 11887 return (mTypes & type) != 0; 11888 } 11889 11890 public void setDump(int type) { 11891 mTypes |= type; 11892 } 11893 11894 public boolean isOptionEnabled(int option) { 11895 return (mOptions & option) != 0; 11896 } 11897 11898 public void setOptionEnabled(int option) { 11899 mOptions |= option; 11900 } 11901 11902 public boolean onTitlePrinted() { 11903 final boolean printed = mTitlePrinted; 11904 mTitlePrinted = true; 11905 return printed; 11906 } 11907 11908 public boolean getTitlePrinted() { 11909 return mTitlePrinted; 11910 } 11911 11912 public void setTitlePrinted(boolean enabled) { 11913 mTitlePrinted = enabled; 11914 } 11915 11916 public SharedUserSetting getSharedUser() { 11917 return mSharedUser; 11918 } 11919 11920 public void setSharedUser(SharedUserSetting user) { 11921 mSharedUser = user; 11922 } 11923 } 11924 11925 @Override 11926 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 11927 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 11928 != PackageManager.PERMISSION_GRANTED) { 11929 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 11930 + Binder.getCallingPid() 11931 + ", uid=" + Binder.getCallingUid() 11932 + " without permission " 11933 + android.Manifest.permission.DUMP); 11934 return; 11935 } 11936 11937 DumpState dumpState = new DumpState(); 11938 boolean fullPreferred = false; 11939 boolean checkin = false; 11940 11941 String packageName = null; 11942 11943 int opti = 0; 11944 while (opti < args.length) { 11945 String opt = args[opti]; 11946 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 11947 break; 11948 } 11949 opti++; 11950 if ("-a".equals(opt)) { 11951 // Right now we only know how to print all. 11952 } else if ("-h".equals(opt)) { 11953 pw.println("Package manager dump options:"); 11954 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 11955 pw.println(" --checkin: dump for a checkin"); 11956 pw.println(" -f: print details of intent filters"); 11957 pw.println(" -h: print this help"); 11958 pw.println(" cmd may be one of:"); 11959 pw.println(" l[ibraries]: list known shared libraries"); 11960 pw.println(" f[ibraries]: list device features"); 11961 pw.println(" k[eysets]: print known keysets"); 11962 pw.println(" r[esolvers]: dump intent resolvers"); 11963 pw.println(" perm[issions]: dump permissions"); 11964 pw.println(" pref[erred]: print preferred package settings"); 11965 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 11966 pw.println(" prov[iders]: dump content providers"); 11967 pw.println(" p[ackages]: dump installed packages"); 11968 pw.println(" s[hared-users]: dump shared user IDs"); 11969 pw.println(" m[essages]: print collected runtime messages"); 11970 pw.println(" v[erifiers]: print package verifier info"); 11971 pw.println(" version: print database version info"); 11972 pw.println(" write: write current settings now"); 11973 pw.println(" <package.name>: info about given package"); 11974 return; 11975 } else if ("--checkin".equals(opt)) { 11976 checkin = true; 11977 } else if ("-f".equals(opt)) { 11978 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11979 } else { 11980 pw.println("Unknown argument: " + opt + "; use -h for help"); 11981 } 11982 } 11983 11984 // Is the caller requesting to dump a particular piece of data? 11985 if (opti < args.length) { 11986 String cmd = args[opti]; 11987 opti++; 11988 // Is this a package name? 11989 if ("android".equals(cmd) || cmd.contains(".")) { 11990 packageName = cmd; 11991 // When dumping a single package, we always dump all of its 11992 // filter information since the amount of data will be reasonable. 11993 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 11994 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 11995 dumpState.setDump(DumpState.DUMP_LIBS); 11996 } else if ("f".equals(cmd) || "features".equals(cmd)) { 11997 dumpState.setDump(DumpState.DUMP_FEATURES); 11998 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 11999 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12000 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12001 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12002 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12003 dumpState.setDump(DumpState.DUMP_PREFERRED); 12004 } else if ("preferred-xml".equals(cmd)) { 12005 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12006 if (opti < args.length && "--full".equals(args[opti])) { 12007 fullPreferred = true; 12008 opti++; 12009 } 12010 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12011 dumpState.setDump(DumpState.DUMP_PACKAGES); 12012 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12013 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12014 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12015 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12016 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12017 dumpState.setDump(DumpState.DUMP_MESSAGES); 12018 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12019 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12020 } else if ("version".equals(cmd)) { 12021 dumpState.setDump(DumpState.DUMP_VERSION); 12022 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12023 dumpState.setDump(DumpState.DUMP_KEYSETS); 12024 } else if ("write".equals(cmd)) { 12025 synchronized (mPackages) { 12026 mSettings.writeLPr(); 12027 pw.println("Settings written."); 12028 return; 12029 } 12030 } 12031 } 12032 12033 if (checkin) { 12034 pw.println("vers,1"); 12035 } 12036 12037 // reader 12038 synchronized (mPackages) { 12039 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12040 if (!checkin) { 12041 if (dumpState.onTitlePrinted()) 12042 pw.println(); 12043 pw.println("Database versions:"); 12044 pw.print(" SDK Version:"); 12045 pw.print(" internal="); 12046 pw.print(mSettings.mInternalSdkPlatform); 12047 pw.print(" external="); 12048 pw.println(mSettings.mExternalSdkPlatform); 12049 pw.print(" DB Version:"); 12050 pw.print(" internal="); 12051 pw.print(mSettings.mInternalDatabaseVersion); 12052 pw.print(" external="); 12053 pw.println(mSettings.mExternalDatabaseVersion); 12054 } 12055 } 12056 12057 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12058 if (!checkin) { 12059 if (dumpState.onTitlePrinted()) 12060 pw.println(); 12061 pw.println("Verifiers:"); 12062 pw.print(" Required: "); 12063 pw.print(mRequiredVerifierPackage); 12064 pw.print(" (uid="); 12065 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12066 pw.println(")"); 12067 } else if (mRequiredVerifierPackage != null) { 12068 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12069 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12070 } 12071 } 12072 12073 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12074 boolean printedHeader = false; 12075 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12076 while (it.hasNext()) { 12077 String name = it.next(); 12078 SharedLibraryEntry ent = mSharedLibraries.get(name); 12079 if (!checkin) { 12080 if (!printedHeader) { 12081 if (dumpState.onTitlePrinted()) 12082 pw.println(); 12083 pw.println("Libraries:"); 12084 printedHeader = true; 12085 } 12086 pw.print(" "); 12087 } else { 12088 pw.print("lib,"); 12089 } 12090 pw.print(name); 12091 if (!checkin) { 12092 pw.print(" -> "); 12093 } 12094 if (ent.path != null) { 12095 if (!checkin) { 12096 pw.print("(jar) "); 12097 pw.print(ent.path); 12098 } else { 12099 pw.print(",jar,"); 12100 pw.print(ent.path); 12101 } 12102 } else { 12103 if (!checkin) { 12104 pw.print("(apk) "); 12105 pw.print(ent.apk); 12106 } else { 12107 pw.print(",apk,"); 12108 pw.print(ent.apk); 12109 } 12110 } 12111 pw.println(); 12112 } 12113 } 12114 12115 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12116 if (dumpState.onTitlePrinted()) 12117 pw.println(); 12118 if (!checkin) { 12119 pw.println("Features:"); 12120 } 12121 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12122 while (it.hasNext()) { 12123 String name = it.next(); 12124 if (!checkin) { 12125 pw.print(" "); 12126 } else { 12127 pw.print("feat,"); 12128 } 12129 pw.println(name); 12130 } 12131 } 12132 12133 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12134 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12135 : "Activity Resolver Table:", " ", packageName, 12136 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12137 dumpState.setTitlePrinted(true); 12138 } 12139 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12140 : "Receiver Resolver Table:", " ", packageName, 12141 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12142 dumpState.setTitlePrinted(true); 12143 } 12144 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12145 : "Service Resolver Table:", " ", packageName, 12146 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12147 dumpState.setTitlePrinted(true); 12148 } 12149 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12150 : "Provider Resolver Table:", " ", packageName, 12151 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12152 dumpState.setTitlePrinted(true); 12153 } 12154 } 12155 12156 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12157 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12158 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12159 int user = mSettings.mPreferredActivities.keyAt(i); 12160 if (pir.dump(pw, 12161 dumpState.getTitlePrinted() 12162 ? "\nPreferred Activities User " + user + ":" 12163 : "Preferred Activities User " + user + ":", " ", 12164 packageName, true)) { 12165 dumpState.setTitlePrinted(true); 12166 } 12167 } 12168 } 12169 12170 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12171 pw.flush(); 12172 FileOutputStream fout = new FileOutputStream(fd); 12173 BufferedOutputStream str = new BufferedOutputStream(fout); 12174 XmlSerializer serializer = new FastXmlSerializer(); 12175 try { 12176 serializer.setOutput(str, "utf-8"); 12177 serializer.startDocument(null, true); 12178 serializer.setFeature( 12179 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12180 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12181 serializer.endDocument(); 12182 serializer.flush(); 12183 } catch (IllegalArgumentException e) { 12184 pw.println("Failed writing: " + e); 12185 } catch (IllegalStateException e) { 12186 pw.println("Failed writing: " + e); 12187 } catch (IOException e) { 12188 pw.println("Failed writing: " + e); 12189 } 12190 } 12191 12192 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12193 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12194 } 12195 12196 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12197 boolean printedSomething = false; 12198 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12199 if (packageName != null && !packageName.equals(p.info.packageName)) { 12200 continue; 12201 } 12202 if (!printedSomething) { 12203 if (dumpState.onTitlePrinted()) 12204 pw.println(); 12205 pw.println("Registered ContentProviders:"); 12206 printedSomething = true; 12207 } 12208 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12209 pw.print(" "); pw.println(p.toString()); 12210 } 12211 printedSomething = false; 12212 for (Map.Entry<String, PackageParser.Provider> entry : 12213 mProvidersByAuthority.entrySet()) { 12214 PackageParser.Provider p = entry.getValue(); 12215 if (packageName != null && !packageName.equals(p.info.packageName)) { 12216 continue; 12217 } 12218 if (!printedSomething) { 12219 if (dumpState.onTitlePrinted()) 12220 pw.println(); 12221 pw.println("ContentProvider Authorities:"); 12222 printedSomething = true; 12223 } 12224 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12225 pw.print(" "); pw.println(p.toString()); 12226 if (p.info != null && p.info.applicationInfo != null) { 12227 final String appInfo = p.info.applicationInfo.toString(); 12228 pw.print(" applicationInfo="); pw.println(appInfo); 12229 } 12230 } 12231 } 12232 12233 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12234 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 12235 } 12236 12237 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12238 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12239 } 12240 12241 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12242 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12243 } 12244 12245 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12246 if (dumpState.onTitlePrinted()) 12247 pw.println(); 12248 mSettings.dumpReadMessagesLPr(pw, dumpState); 12249 12250 pw.println(); 12251 pw.println("Package warning messages:"); 12252 final File fname = getSettingsProblemFile(); 12253 FileInputStream in = null; 12254 try { 12255 in = new FileInputStream(fname); 12256 final int avail = in.available(); 12257 final byte[] data = new byte[avail]; 12258 in.read(data); 12259 pw.print(new String(data)); 12260 } catch (FileNotFoundException e) { 12261 } catch (IOException e) { 12262 } finally { 12263 if (in != null) { 12264 try { 12265 in.close(); 12266 } catch (IOException e) { 12267 } 12268 } 12269 } 12270 } 12271 } 12272 } 12273 12274 // ------- apps on sdcard specific code ------- 12275 static final boolean DEBUG_SD_INSTALL = false; 12276 12277 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12278 12279 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12280 12281 private boolean mMediaMounted = false; 12282 12283 private String getEncryptKey() { 12284 try { 12285 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12286 SD_ENCRYPTION_KEYSTORE_NAME); 12287 if (sdEncKey == null) { 12288 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12289 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12290 if (sdEncKey == null) { 12291 Slog.e(TAG, "Failed to create encryption keys"); 12292 return null; 12293 } 12294 } 12295 return sdEncKey; 12296 } catch (NoSuchAlgorithmException nsae) { 12297 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12298 return null; 12299 } catch (IOException ioe) { 12300 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12301 return null; 12302 } 12303 12304 } 12305 12306 /* package */static String getTempContainerId() { 12307 int tmpIdx = 1; 12308 String list[] = PackageHelper.getSecureContainerList(); 12309 if (list != null) { 12310 for (final String name : list) { 12311 // Ignore null and non-temporary container entries 12312 if (name == null || !name.startsWith(mTempContainerPrefix)) { 12313 continue; 12314 } 12315 12316 String subStr = name.substring(mTempContainerPrefix.length()); 12317 try { 12318 int cid = Integer.parseInt(subStr); 12319 if (cid >= tmpIdx) { 12320 tmpIdx = cid + 1; 12321 } 12322 } catch (NumberFormatException e) { 12323 } 12324 } 12325 } 12326 return mTempContainerPrefix + tmpIdx; 12327 } 12328 12329 /* 12330 * Update media status on PackageManager. 12331 */ 12332 @Override 12333 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12334 int callingUid = Binder.getCallingUid(); 12335 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12336 throw new SecurityException("Media status can only be updated by the system"); 12337 } 12338 // reader; this apparently protects mMediaMounted, but should probably 12339 // be a different lock in that case. 12340 synchronized (mPackages) { 12341 Log.i(TAG, "Updating external media status from " 12342 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12343 + (mediaStatus ? "mounted" : "unmounted")); 12344 if (DEBUG_SD_INSTALL) 12345 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12346 + ", mMediaMounted=" + mMediaMounted); 12347 if (mediaStatus == mMediaMounted) { 12348 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12349 : 0, -1); 12350 mHandler.sendMessage(msg); 12351 return; 12352 } 12353 mMediaMounted = mediaStatus; 12354 } 12355 // Queue up an async operation since the package installation may take a 12356 // little while. 12357 mHandler.post(new Runnable() { 12358 public void run() { 12359 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12360 } 12361 }); 12362 } 12363 12364 /** 12365 * Called by MountService when the initial ASECs to scan are available. 12366 * Should block until all the ASEC containers are finished being scanned. 12367 */ 12368 public void scanAvailableAsecs() { 12369 updateExternalMediaStatusInner(true, false, false); 12370 if (mShouldRestoreconData) { 12371 SELinuxMMAC.setRestoreconDone(); 12372 mShouldRestoreconData = false; 12373 } 12374 } 12375 12376 /* 12377 * Collect information of applications on external media, map them against 12378 * existing containers and update information based on current mount status. 12379 * Please note that we always have to report status if reportStatus has been 12380 * set to true especially when unloading packages. 12381 */ 12382 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12383 boolean externalStorage) { 12384 // Collection of uids 12385 int uidArr[] = null; 12386 // Collection of stale containers 12387 HashSet<String> removeCids = new HashSet<String>(); 12388 // Collection of packages on external media with valid containers. 12389 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 12390 // Get list of secure containers. 12391 final String list[] = PackageHelper.getSecureContainerList(); 12392 if (list == null || list.length == 0) { 12393 Log.i(TAG, "No secure containers on sdcard"); 12394 } else { 12395 // Process list of secure containers and categorize them 12396 // as active or stale based on their package internal state. 12397 int uidList[] = new int[list.length]; 12398 int num = 0; 12399 // reader 12400 synchronized (mPackages) { 12401 for (String cid : list) { 12402 if (DEBUG_SD_INSTALL) 12403 Log.i(TAG, "Processing container " + cid); 12404 String pkgName = getAsecPackageName(cid); 12405 if (pkgName == null) { 12406 if (DEBUG_SD_INSTALL) 12407 Log.i(TAG, "Container : " + cid + " stale"); 12408 removeCids.add(cid); 12409 continue; 12410 } 12411 if (DEBUG_SD_INSTALL) 12412 Log.i(TAG, "Looking for pkg : " + pkgName); 12413 12414 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12415 if (ps == null) { 12416 Log.i(TAG, "Deleting container with no matching settings " + cid); 12417 removeCids.add(cid); 12418 continue; 12419 } 12420 12421 /* 12422 * Skip packages that are not external if we're unmounting 12423 * external storage. 12424 */ 12425 if (externalStorage && !isMounted && !isExternal(ps)) { 12426 continue; 12427 } 12428 12429 final AsecInstallArgs args = new AsecInstallArgs(cid, 12430 getAppInstructionSetFromSettings(ps), 12431 isForwardLocked(ps)); 12432 // The package status is changed only if the code path 12433 // matches between settings and the container id. 12434 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 12435 if (DEBUG_SD_INSTALL) { 12436 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12437 + " at code path: " + ps.codePathString); 12438 } 12439 12440 // We do have a valid package installed on sdcard 12441 processCids.put(args, ps.codePathString); 12442 final int uid = ps.appId; 12443 if (uid != -1) { 12444 uidList[num++] = uid; 12445 } 12446 } else { 12447 Log.i(TAG, "Deleting stale container for " + cid); 12448 removeCids.add(cid); 12449 } 12450 } 12451 } 12452 12453 if (num > 0) { 12454 // Sort uid list 12455 Arrays.sort(uidList, 0, num); 12456 // Throw away duplicates 12457 uidArr = new int[num]; 12458 uidArr[0] = uidList[0]; 12459 int di = 0; 12460 for (int i = 1; i < num; i++) { 12461 if (uidList[i - 1] != uidList[i]) { 12462 uidArr[di++] = uidList[i]; 12463 } 12464 } 12465 } 12466 } 12467 // Process packages with valid entries. 12468 if (isMounted) { 12469 if (DEBUG_SD_INSTALL) 12470 Log.i(TAG, "Loading packages"); 12471 loadMediaPackages(processCids, uidArr, removeCids); 12472 startCleaningPackages(); 12473 } else { 12474 if (DEBUG_SD_INSTALL) 12475 Log.i(TAG, "Unloading packages"); 12476 unloadMediaPackages(processCids, uidArr, reportStatus); 12477 } 12478 } 12479 12480 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12481 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12482 int size = pkgList.size(); 12483 if (size > 0) { 12484 // Send broadcasts here 12485 Bundle extras = new Bundle(); 12486 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12487 .toArray(new String[size])); 12488 if (uidArr != null) { 12489 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12490 } 12491 if (replacing) { 12492 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12493 } 12494 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12495 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12496 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12497 } 12498 } 12499 12500 /* 12501 * Look at potentially valid container ids from processCids If package 12502 * information doesn't match the one on record or package scanning fails, 12503 * the cid is added to list of removeCids. We currently don't delete stale 12504 * containers. 12505 */ 12506 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12507 HashSet<String> removeCids) { 12508 ArrayList<String> pkgList = new ArrayList<String>(); 12509 Set<AsecInstallArgs> keys = processCids.keySet(); 12510 boolean doGc = false; 12511 for (AsecInstallArgs args : keys) { 12512 String codePath = processCids.get(args); 12513 if (DEBUG_SD_INSTALL) 12514 Log.i(TAG, "Loading container : " + args.cid); 12515 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12516 try { 12517 // Make sure there are no container errors first. 12518 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12519 Slog.e(TAG, "Failed to mount cid : " + args.cid 12520 + " when installing from sdcard"); 12521 continue; 12522 } 12523 // Check code path here. 12524 if (codePath == null || !codePath.equals(args.getCodePath())) { 12525 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12526 + " does not match one in settings " + codePath); 12527 continue; 12528 } 12529 // Parse package 12530 int parseFlags = mDefParseFlags; 12531 if (args.isExternal()) { 12532 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12533 } 12534 if (args.isFwdLocked()) { 12535 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12536 } 12537 12538 doGc = true; 12539 synchronized (mInstallLock) { 12540 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 12541 0, 0, null, null); 12542 // Scan the package 12543 if (pkg != null) { 12544 /* 12545 * TODO why is the lock being held? doPostInstall is 12546 * called in other places without the lock. This needs 12547 * to be straightened out. 12548 */ 12549 // writer 12550 synchronized (mPackages) { 12551 retCode = PackageManager.INSTALL_SUCCEEDED; 12552 pkgList.add(pkg.packageName); 12553 // Post process args 12554 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12555 pkg.applicationInfo.uid); 12556 } 12557 } else { 12558 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12559 } 12560 } 12561 12562 } finally { 12563 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12564 // Don't destroy container here. Wait till gc clears things 12565 // up. 12566 removeCids.add(args.cid); 12567 } 12568 } 12569 } 12570 // writer 12571 synchronized (mPackages) { 12572 // If the platform SDK has changed since the last time we booted, 12573 // we need to re-grant app permission to catch any new ones that 12574 // appear. This is really a hack, and means that apps can in some 12575 // cases get permissions that the user didn't initially explicitly 12576 // allow... it would be nice to have some better way to handle 12577 // this situation. 12578 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12579 if (regrantPermissions) 12580 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12581 + mSdkVersion + "; regranting permissions for external storage"); 12582 mSettings.mExternalSdkPlatform = mSdkVersion; 12583 12584 // Make sure group IDs have been assigned, and any permission 12585 // changes in other apps are accounted for 12586 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12587 | (regrantPermissions 12588 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12589 : 0)); 12590 12591 mSettings.updateExternalDatabaseVersion(); 12592 12593 // can downgrade to reader 12594 // Persist settings 12595 mSettings.writeLPr(); 12596 } 12597 // Send a broadcast to let everyone know we are done processing 12598 if (pkgList.size() > 0) { 12599 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12600 } 12601 // Force gc to avoid any stale parser references that we might have. 12602 if (doGc) { 12603 Runtime.getRuntime().gc(); 12604 } 12605 // List stale containers and destroy stale temporary containers. 12606 if (removeCids != null) { 12607 for (String cid : removeCids) { 12608 if (cid.startsWith(mTempContainerPrefix)) { 12609 Log.i(TAG, "Destroying stale temporary container " + cid); 12610 PackageHelper.destroySdDir(cid); 12611 } else { 12612 Log.w(TAG, "Container " + cid + " is stale"); 12613 } 12614 } 12615 } 12616 } 12617 12618 /* 12619 * Utility method to unload a list of specified containers 12620 */ 12621 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12622 // Just unmount all valid containers. 12623 for (AsecInstallArgs arg : cidArgs) { 12624 synchronized (mInstallLock) { 12625 arg.doPostDeleteLI(false); 12626 } 12627 } 12628 } 12629 12630 /* 12631 * Unload packages mounted on external media. This involves deleting package 12632 * data from internal structures, sending broadcasts about diabled packages, 12633 * gc'ing to free up references, unmounting all secure containers 12634 * corresponding to packages on external media, and posting a 12635 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12636 * that we always have to post this message if status has been requested no 12637 * matter what. 12638 */ 12639 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 12640 final boolean reportStatus) { 12641 if (DEBUG_SD_INSTALL) 12642 Log.i(TAG, "unloading media packages"); 12643 ArrayList<String> pkgList = new ArrayList<String>(); 12644 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12645 final Set<AsecInstallArgs> keys = processCids.keySet(); 12646 for (AsecInstallArgs args : keys) { 12647 String pkgName = args.getPackageName(); 12648 if (DEBUG_SD_INSTALL) 12649 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12650 // Delete package internally 12651 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12652 synchronized (mInstallLock) { 12653 boolean res = deletePackageLI(pkgName, null, false, null, null, 12654 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12655 if (res) { 12656 pkgList.add(pkgName); 12657 } else { 12658 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12659 failedList.add(args); 12660 } 12661 } 12662 } 12663 12664 // reader 12665 synchronized (mPackages) { 12666 // We didn't update the settings after removing each package; 12667 // write them now for all packages. 12668 mSettings.writeLPr(); 12669 } 12670 12671 // We have to absolutely send UPDATED_MEDIA_STATUS only 12672 // after confirming that all the receivers processed the ordered 12673 // broadcast when packages get disabled, force a gc to clean things up. 12674 // and unload all the containers. 12675 if (pkgList.size() > 0) { 12676 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 12677 new IIntentReceiver.Stub() { 12678 public void performReceive(Intent intent, int resultCode, String data, 12679 Bundle extras, boolean ordered, boolean sticky, 12680 int sendingUser) throws RemoteException { 12681 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 12682 reportStatus ? 1 : 0, 1, keys); 12683 mHandler.sendMessage(msg); 12684 } 12685 }); 12686 } else { 12687 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 12688 keys); 12689 mHandler.sendMessage(msg); 12690 } 12691 } 12692 12693 /** Binder call */ 12694 @Override 12695 public void movePackage(final String packageName, final IPackageMoveObserver observer, 12696 final int flags) { 12697 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 12698 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 12699 int returnCode = PackageManager.MOVE_SUCCEEDED; 12700 int currFlags = 0; 12701 int newFlags = 0; 12702 // reader 12703 synchronized (mPackages) { 12704 PackageParser.Package pkg = mPackages.get(packageName); 12705 if (pkg == null) { 12706 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12707 } else { 12708 // Disable moving fwd locked apps and system packages 12709 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 12710 Slog.w(TAG, "Cannot move system application"); 12711 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 12712 } else if (pkg.mOperationPending) { 12713 Slog.w(TAG, "Attempt to move package which has pending operations"); 12714 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 12715 } else { 12716 // Find install location first 12717 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 12718 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 12719 Slog.w(TAG, "Ambigous flags specified for move location."); 12720 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12721 } else { 12722 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 12723 : PackageManager.INSTALL_INTERNAL; 12724 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 12725 : PackageManager.INSTALL_INTERNAL; 12726 12727 if (newFlags == currFlags) { 12728 Slog.w(TAG, "No move required. Trying to move to same location"); 12729 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 12730 } else { 12731 if (isForwardLocked(pkg)) { 12732 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12733 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 12734 } 12735 } 12736 } 12737 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12738 pkg.mOperationPending = true; 12739 } 12740 } 12741 } 12742 12743 /* 12744 * TODO this next block probably shouldn't be inside the lock. We 12745 * can't guarantee these won't change after this is fired off 12746 * anyway. 12747 */ 12748 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12749 processPendingMove(new MoveParams(null, observer, 0, packageName, null, 12750 null, -1, user), 12751 returnCode); 12752 } else { 12753 Message msg = mHandler.obtainMessage(INIT_COPY); 12754 final String instructionSet = getAppInstructionSet(pkg.applicationInfo); 12755 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 12756 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir, 12757 instructionSet); 12758 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 12759 pkg.applicationInfo.dataDir, instructionSet, pkg.applicationInfo.uid, user); 12760 msg.obj = mp; 12761 mHandler.sendMessage(msg); 12762 } 12763 } 12764 } 12765 12766 private void processPendingMove(final MoveParams mp, final int currentStatus) { 12767 // Queue up an async operation since the package deletion may take a 12768 // little while. 12769 mHandler.post(new Runnable() { 12770 public void run() { 12771 // TODO fix this; this does nothing. 12772 mHandler.removeCallbacks(this); 12773 int returnCode = currentStatus; 12774 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 12775 int uidArr[] = null; 12776 ArrayList<String> pkgList = null; 12777 synchronized (mPackages) { 12778 PackageParser.Package pkg = mPackages.get(mp.packageName); 12779 if (pkg == null) { 12780 Slog.w(TAG, " Package " + mp.packageName 12781 + " doesn't exist. Aborting move"); 12782 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12783 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 12784 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 12785 + mp.srcArgs.getCodePath() + " to " 12786 + pkg.applicationInfo.sourceDir 12787 + " Aborting move and returning error"); 12788 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12789 } else { 12790 uidArr = new int[] { 12791 pkg.applicationInfo.uid 12792 }; 12793 pkgList = new ArrayList<String>(); 12794 pkgList.add(mp.packageName); 12795 } 12796 } 12797 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12798 // Send resources unavailable broadcast 12799 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 12800 // Update package code and resource paths 12801 synchronized (mInstallLock) { 12802 synchronized (mPackages) { 12803 PackageParser.Package pkg = mPackages.get(mp.packageName); 12804 // Recheck for package again. 12805 if (pkg == null) { 12806 Slog.w(TAG, " Package " + mp.packageName 12807 + " doesn't exist. Aborting move"); 12808 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 12809 } else if (!mp.srcArgs.getCodePath().equals( 12810 pkg.applicationInfo.sourceDir)) { 12811 Slog.w(TAG, "Package " + mp.packageName 12812 + " code path changed from " + mp.srcArgs.getCodePath() 12813 + " to " + pkg.applicationInfo.sourceDir 12814 + " Aborting move and returning error"); 12815 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 12816 } else { 12817 final String oldCodePath = pkg.mPath; 12818 final String newCodePath = mp.targetArgs.getCodePath(); 12819 final String newResPath = mp.targetArgs.getResourcePath(); 12820 final String newNativePath = mp.targetArgs 12821 .getNativeLibraryPath(); 12822 12823 final File newNativeDir = new File(newNativePath); 12824 12825 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 12826 // NOTE: We do not report any errors from the APK scan and library 12827 // copy at this point. 12828 NativeLibraryHelper.ApkHandle handle = 12829 new NativeLibraryHelper.ApkHandle(newCodePath); 12830 final int abi = NativeLibraryHelper.findSupportedAbi( 12831 handle, Build.SUPPORTED_ABIS); 12832 if (abi >= 0) { 12833 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 12834 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 12835 } 12836 handle.close(); 12837 } 12838 final int[] users = sUserManager.getUserIds(); 12839 for (int user : users) { 12840 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 12841 newNativePath, user) < 0) { 12842 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12843 } 12844 } 12845 12846 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12847 pkg.mPath = newCodePath; 12848 // Move dex files around 12849 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 12850 // Moving of dex files failed. Set 12851 // error code and abort move. 12852 pkg.mPath = pkg.mScanPath; 12853 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 12854 } 12855 } 12856 12857 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 12858 pkg.mScanPath = newCodePath; 12859 pkg.applicationInfo.sourceDir = newCodePath; 12860 pkg.applicationInfo.publicSourceDir = newResPath; 12861 pkg.applicationInfo.nativeLibraryDir = newNativePath; 12862 PackageSetting ps = (PackageSetting) pkg.mExtras; 12863 ps.codePath = new File(pkg.applicationInfo.sourceDir); 12864 ps.codePathString = ps.codePath.getPath(); 12865 ps.resourcePath = new File( 12866 pkg.applicationInfo.publicSourceDir); 12867 ps.resourcePathString = ps.resourcePath.getPath(); 12868 ps.nativeLibraryPathString = newNativePath; 12869 // Set the application info flag 12870 // correctly. 12871 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 12872 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12873 } else { 12874 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 12875 } 12876 ps.setFlags(pkg.applicationInfo.flags); 12877 mAppDirs.remove(oldCodePath); 12878 mAppDirs.put(newCodePath, pkg); 12879 // Persist settings 12880 mSettings.writeLPr(); 12881 } 12882 } 12883 } 12884 } 12885 // Send resources available broadcast 12886 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12887 } 12888 } 12889 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 12890 // Clean up failed installation 12891 if (mp.targetArgs != null) { 12892 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 12893 -1); 12894 } 12895 } else { 12896 // Force a gc to clear things up. 12897 Runtime.getRuntime().gc(); 12898 // Delete older code 12899 synchronized (mInstallLock) { 12900 mp.srcArgs.doPostDeleteLI(true); 12901 } 12902 } 12903 12904 // Allow more operations on this file if we didn't fail because 12905 // an operation was already pending for this package. 12906 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 12907 synchronized (mPackages) { 12908 PackageParser.Package pkg = mPackages.get(mp.packageName); 12909 if (pkg != null) { 12910 pkg.mOperationPending = false; 12911 } 12912 } 12913 } 12914 12915 IPackageMoveObserver observer = mp.observer; 12916 if (observer != null) { 12917 try { 12918 observer.packageMoved(mp.packageName, returnCode); 12919 } catch (RemoteException e) { 12920 Log.i(TAG, "Observer no longer exists."); 12921 } 12922 } 12923 } 12924 }); 12925 } 12926 12927 @Override 12928 public boolean setInstallLocation(int loc) { 12929 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 12930 null); 12931 if (getInstallLocation() == loc) { 12932 return true; 12933 } 12934 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 12935 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 12936 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 12937 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 12938 return true; 12939 } 12940 return false; 12941 } 12942 12943 @Override 12944 public int getInstallLocation() { 12945 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 12946 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 12947 PackageHelper.APP_INSTALL_AUTO); 12948 } 12949 12950 /** Called by UserManagerService */ 12951 void cleanUpUserLILPw(int userHandle) { 12952 mDirtyUsers.remove(userHandle); 12953 mSettings.removeUserLPr(userHandle); 12954 mPendingBroadcasts.remove(userHandle); 12955 if (mInstaller != null) { 12956 // Technically, we shouldn't be doing this with the package lock 12957 // held. However, this is very rare, and there is already so much 12958 // other disk I/O going on, that we'll let it slide for now. 12959 mInstaller.removeUserDataDirs(userHandle); 12960 } 12961 } 12962 12963 /** Called by UserManagerService */ 12964 void createNewUserLILPw(int userHandle, File path) { 12965 if (mInstaller != null) { 12966 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 12967 } 12968 } 12969 12970 @Override 12971 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 12972 mContext.enforceCallingOrSelfPermission( 12973 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 12974 "Only package verification agents can read the verifier device identity"); 12975 12976 synchronized (mPackages) { 12977 return mSettings.getVerifierDeviceIdentityLPw(); 12978 } 12979 } 12980 12981 @Override 12982 public void setPermissionEnforced(String permission, boolean enforced) { 12983 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 12984 if (READ_EXTERNAL_STORAGE.equals(permission)) { 12985 synchronized (mPackages) { 12986 if (mSettings.mReadExternalStorageEnforced == null 12987 || mSettings.mReadExternalStorageEnforced != enforced) { 12988 mSettings.mReadExternalStorageEnforced = enforced; 12989 mSettings.writeLPr(); 12990 } 12991 } 12992 // kill any non-foreground processes so we restart them and 12993 // grant/revoke the GID. 12994 final IActivityManager am = ActivityManagerNative.getDefault(); 12995 if (am != null) { 12996 final long token = Binder.clearCallingIdentity(); 12997 try { 12998 am.killProcessesBelowForeground("setPermissionEnforcement"); 12999 } catch (RemoteException e) { 13000 } finally { 13001 Binder.restoreCallingIdentity(token); 13002 } 13003 } 13004 } else { 13005 throw new IllegalArgumentException("No selective enforcement for " + permission); 13006 } 13007 } 13008 13009 @Override 13010 @Deprecated 13011 public boolean isPermissionEnforced(String permission) { 13012 return true; 13013 } 13014 13015 @Override 13016 public boolean isStorageLow() { 13017 final long token = Binder.clearCallingIdentity(); 13018 try { 13019 final DeviceStorageMonitorInternal 13020 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13021 if (dsm != null) { 13022 return dsm.isMemoryLow(); 13023 } else { 13024 return false; 13025 } 13026 } finally { 13027 Binder.restoreCallingIdentity(token); 13028 } 13029 } 13030 13031 @Override 13032 public IPackageInstaller getPackageInstaller() { 13033 return mInstallerService; 13034 } 13035} 13036