PackageManagerService.java revision f5c6a1b3eb10f0374fcbab55853f400778f0f8e7
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.system.OsConstants.S_IRWXU; 27import static android.system.OsConstants.S_IRGRP; 28import static android.system.OsConstants.S_IXGRP; 29import static android.system.OsConstants.S_IROTH; 30import static android.system.OsConstants.S_IXOTH; 31import static com.android.internal.util.ArrayUtils.appendInt; 32import static com.android.internal.util.ArrayUtils.removeInt; 33 34import com.android.internal.app.IMediaContainerService; 35import com.android.internal.app.ResolverActivity; 36import com.android.internal.content.NativeLibraryHelper; 37import com.android.internal.content.PackageHelper; 38import com.android.internal.util.FastPrintWriter; 39import com.android.internal.util.FastXmlSerializer; 40import com.android.internal.util.XmlUtils; 41import com.android.server.EventLogTags; 42import com.android.server.IntentResolver; 43import com.android.server.ServiceThread; 44 45import com.android.server.LocalServices; 46import com.android.server.Watchdog; 47import org.xmlpull.v1.XmlPullParser; 48import org.xmlpull.v1.XmlPullParserException; 49import org.xmlpull.v1.XmlSerializer; 50 51import android.app.ActivityManager; 52import android.app.ActivityManagerNative; 53import android.app.IActivityManager; 54import android.app.admin.IDevicePolicyManager; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.IIntentReceiver; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.IntentSender; 63import android.content.IntentSender.SendIntentException; 64import android.content.ServiceConnection; 65import android.content.pm.ActivityInfo; 66import android.content.pm.ApplicationInfo; 67import android.content.pm.ContainerEncryptionParams; 68import android.content.pm.FeatureInfo; 69import android.content.pm.IPackageDataObserver; 70import android.content.pm.IPackageDeleteObserver; 71import android.content.pm.IPackageInstallObserver; 72import android.content.pm.IPackageManager; 73import android.content.pm.IPackageMoveObserver; 74import android.content.pm.IPackageStatsObserver; 75import android.content.pm.InstrumentationInfo; 76import android.content.pm.ManifestDigest; 77import android.content.pm.PackageCleanItem; 78import android.content.pm.PackageInfo; 79import android.content.pm.PackageInfoLite; 80import android.content.pm.PackageManager; 81import android.content.pm.PackageParser; 82import android.content.pm.PackageParser.ActivityIntentInfo; 83import android.content.pm.PackageStats; 84import android.content.pm.PackageUserState; 85import android.content.pm.ParceledListSlice; 86import android.content.pm.PermissionGroupInfo; 87import android.content.pm.PermissionInfo; 88import android.content.pm.ProviderInfo; 89import android.content.pm.ResolveInfo; 90import android.content.pm.ServiceInfo; 91import android.content.pm.Signature; 92import android.content.pm.VerificationParams; 93import android.content.pm.VerifierDeviceIdentity; 94import android.content.pm.VerifierInfo; 95import android.content.res.Resources; 96import android.hardware.display.DisplayManager; 97import android.net.Uri; 98import android.os.Binder; 99import android.os.Build; 100import android.os.Bundle; 101import android.os.Environment; 102import android.os.Environment.UserEnvironment; 103import android.os.FileObserver; 104import android.os.FileUtils; 105import android.os.Handler; 106import android.os.HandlerThread; 107import android.os.IBinder; 108import android.os.Looper; 109import android.os.Message; 110import android.os.Parcel; 111import android.os.ParcelFileDescriptor; 112import android.os.Process; 113import android.os.RemoteException; 114import android.os.SELinux; 115import android.os.ServiceManager; 116import android.os.SystemClock; 117import android.os.SystemProperties; 118import android.os.UserHandle; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.system.ErrnoException; 123import android.system.Os; 124import android.system.StructStat; 125import android.text.TextUtils; 126import android.util.DisplayMetrics; 127import android.util.EventLog; 128import android.util.Log; 129import android.util.LogPrinter; 130import android.util.PrintStreamPrinter; 131import android.util.Slog; 132import android.util.SparseArray; 133import android.util.Xml; 134import android.view.Display; 135 136import java.io.BufferedOutputStream; 137import java.io.File; 138import java.io.FileDescriptor; 139import java.io.FileInputStream; 140import java.io.FileNotFoundException; 141import java.io.FileOutputStream; 142import java.io.FileReader; 143import java.io.FilenameFilter; 144import java.io.IOException; 145import java.io.PrintWriter; 146import java.security.NoSuchAlgorithmException; 147import java.security.PublicKey; 148import java.security.cert.CertificateException; 149import java.text.SimpleDateFormat; 150import java.util.ArrayList; 151import java.util.Arrays; 152import java.util.Collection; 153import java.util.Collections; 154import java.util.Comparator; 155import java.util.Date; 156import java.util.HashMap; 157import java.util.HashSet; 158import java.util.Iterator; 159import java.util.List; 160import java.util.Map; 161import java.util.Set; 162 163import libcore.io.IoUtils; 164 165import com.android.internal.R; 166import com.android.server.storage.DeviceStorageMonitorInternal; 167 168/** 169 * Keep track of all those .apks everywhere. 170 * 171 * This is very central to the platform's security; please run the unit 172 * tests whenever making modifications here: 173 * 174mmm frameworks/base/tests/AndroidTests 175adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 176adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 177 * 178 * {@hide} 179 */ 180public class PackageManagerService extends IPackageManager.Stub { 181 static final String TAG = "PackageManager"; 182 static final boolean DEBUG_SETTINGS = false; 183 static final boolean DEBUG_PREFERRED = false; 184 static final boolean DEBUG_UPGRADE = false; 185 private static final boolean DEBUG_INSTALL = false; 186 private static final boolean DEBUG_REMOVE = false; 187 private static final boolean DEBUG_BROADCASTS = false; 188 private static final boolean DEBUG_SHOW_INFO = false; 189 private static final boolean DEBUG_PACKAGE_INFO = false; 190 private static final boolean DEBUG_INTENT_MATCHING = false; 191 private static final boolean DEBUG_PACKAGE_SCANNING = false; 192 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 193 private static final boolean DEBUG_VERIFY = false; 194 195 private static final int RADIO_UID = Process.PHONE_UID; 196 private static final int LOG_UID = Process.LOG_UID; 197 private static final int NFC_UID = Process.NFC_UID; 198 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 199 private static final int SHELL_UID = Process.SHELL_UID; 200 201 private static final boolean GET_CERTIFICATES = true; 202 203 private static final int REMOVE_EVENTS = 204 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 205 private static final int ADD_EVENTS = 206 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 207 208 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 209 // Suffix used during package installation when copying/moving 210 // package apks to install directory. 211 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 212 213 static final int SCAN_MONITOR = 1<<0; 214 static final int SCAN_NO_DEX = 1<<1; 215 static final int SCAN_FORCE_DEX = 1<<2; 216 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 217 static final int SCAN_NEW_INSTALL = 1<<4; 218 static final int SCAN_NO_PATHS = 1<<5; 219 static final int SCAN_UPDATE_TIME = 1<<6; 220 static final int SCAN_DEFER_DEX = 1<<7; 221 static final int SCAN_BOOTING = 1<<8; 222 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 223 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 224 225 static final int REMOVE_CHATTY = 1<<16; 226 227 /** 228 * Timeout (in milliseconds) after which the watchdog should declare that 229 * our handler thread is wedged. The usual default for such things is one 230 * minute but we sometimes do very lengthy I/O operations on this thread, 231 * such as installing multi-gigabyte applications, so ours needs to be longer. 232 */ 233 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 234 235 /** 236 * Whether verification is enabled by default. 237 */ 238 private static final boolean DEFAULT_VERIFY_ENABLE = true; 239 240 /** 241 * The default maximum time to wait for the verification agent to return in 242 * milliseconds. 243 */ 244 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 245 246 /** 247 * The default response for package verification timeout. 248 * 249 * This can be either PackageManager.VERIFICATION_ALLOW or 250 * PackageManager.VERIFICATION_REJECT. 251 */ 252 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 253 254 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 255 256 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 257 DEFAULT_CONTAINER_PACKAGE, 258 "com.android.defcontainer.DefaultContainerService"); 259 260 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 261 262 private static final String LIB_DIR_NAME = "lib"; 263 private static final String LIB64_DIR_NAME = "lib64"; 264 265 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 266 267 static final String mTempContainerPrefix = "smdl2tmp"; 268 269 final ServiceThread mHandlerThread; 270 271 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 272 private static final String IDMAP_SUFFIX = "@idmap"; 273 274 final PackageHandler mHandler; 275 276 final int mSdkVersion = Build.VERSION.SDK_INT; 277 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 278 ? null : Build.VERSION.CODENAME; 279 280 final Context mContext; 281 final boolean mFactoryTest; 282 final boolean mOnlyCore; 283 final boolean mNoDexOpt; 284 final DisplayMetrics mMetrics; 285 final int mDefParseFlags; 286 final String[] mSeparateProcesses; 287 288 // This is where all application persistent data goes. 289 final File mAppDataDir; 290 291 // This is where all application persistent data goes for secondary users. 292 final File mUserAppDataDir; 293 294 /** The location for ASEC container files on internal storage. */ 295 final String mAsecInternalPath; 296 297 // This is the object monitoring the framework dir. 298 final FileObserver mFrameworkInstallObserver; 299 300 // This is the object monitoring the system app dir. 301 final FileObserver mSystemInstallObserver; 302 303 // This is the object monitoring the privileged system app dir. 304 final FileObserver mPrivilegedInstallObserver; 305 306 // This is the object monitoring the system app dir. 307 final FileObserver mVendorInstallObserver; 308 309 // This is the object monitoring the vendor overlay package dir. 310 final FileObserver mVendorOverlayInstallObserver; 311 312 // This is the object monitoring mAppInstallDir. 313 final FileObserver mAppInstallObserver; 314 315 // This is the object monitoring mDrmAppPrivateInstallDir. 316 final FileObserver mDrmAppInstallObserver; 317 318 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 319 // LOCK HELD. Can be called with mInstallLock held. 320 final Installer mInstaller; 321 322 final File mAppInstallDir; 323 324 /** 325 * Directory to which applications installed internally have native 326 * libraries copied. 327 */ 328 private File mAppLibInstallDir; 329 330 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 331 // apps. 332 final File mDrmAppPrivateInstallDir; 333 334 // ---------------------------------------------------------------- 335 336 // Lock for state used when installing and doing other long running 337 // operations. Methods that must be called with this lock held have 338 // the prefix "LI". 339 final Object mInstallLock = new Object(); 340 341 // These are the directories in the 3rd party applications installed dir 342 // that we have currently loaded packages from. Keys are the application's 343 // installed zip file (absolute codePath), and values are Package. 344 final HashMap<String, PackageParser.Package> mAppDirs = 345 new HashMap<String, PackageParser.Package>(); 346 347 // Information for the parser to write more useful error messages. 348 int mLastScanError; 349 350 // ---------------------------------------------------------------- 351 352 // Keys are String (package name), values are Package. This also serves 353 // as the lock for the global state. Methods that must be called with 354 // this lock held have the prefix "LP". 355 final HashMap<String, PackageParser.Package> mPackages = 356 new HashMap<String, PackageParser.Package>(); 357 358 // Tracks available target package names -> overlay package paths. 359 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 360 new HashMap<String, HashMap<String, PackageParser.Package>>(); 361 362 final Settings mSettings; 363 boolean mRestoredSettings; 364 365 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 366 int[] mGlobalGids; 367 368 // These are the built-in uid -> permission mappings that were read from the 369 // etc/permissions.xml file. 370 final SparseArray<HashSet<String>> mSystemPermissions = 371 new SparseArray<HashSet<String>>(); 372 373 static final class SharedLibraryEntry { 374 final String path; 375 final String apk; 376 377 SharedLibraryEntry(String _path, String _apk) { 378 path = _path; 379 apk = _apk; 380 } 381 } 382 383 // These are the built-in shared libraries that were read from the 384 // etc/permissions.xml file. 385 final HashMap<String, SharedLibraryEntry> mSharedLibraries 386 = new HashMap<String, SharedLibraryEntry>(); 387 388 // Temporary for building the final shared libraries for an .apk. 389 String[] mTmpSharedLibraries = null; 390 391 // These are the features this devices supports that were read from the 392 // etc/permissions.xml file. 393 final HashMap<String, FeatureInfo> mAvailableFeatures = 394 new HashMap<String, FeatureInfo>(); 395 396 // If mac_permissions.xml was found for seinfo labeling. 397 boolean mFoundPolicyFile; 398 399 // If a recursive restorecon of /data/data/<pkg> is needed. 400 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 401 402 // All available activities, for your resolving pleasure. 403 final ActivityIntentResolver mActivities = 404 new ActivityIntentResolver(); 405 406 // All available receivers, for your resolving pleasure. 407 final ActivityIntentResolver mReceivers = 408 new ActivityIntentResolver(); 409 410 // All available services, for your resolving pleasure. 411 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 412 413 // All available providers, for your resolving pleasure. 414 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 415 416 // Mapping from provider base names (first directory in content URI codePath) 417 // to the provider information. 418 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 419 new HashMap<String, PackageParser.Provider>(); 420 421 // Mapping from instrumentation class names to info about them. 422 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 423 new HashMap<ComponentName, PackageParser.Instrumentation>(); 424 425 // Mapping from permission names to info about them. 426 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 427 new HashMap<String, PackageParser.PermissionGroup>(); 428 429 // Packages whose data we have transfered into another package, thus 430 // should no longer exist. 431 final HashSet<String> mTransferedPackages = new HashSet<String>(); 432 433 // Broadcast actions that are only available to the system. 434 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 435 436 /** List of packages waiting for verification. */ 437 final SparseArray<PackageVerificationState> mPendingVerification 438 = new SparseArray<PackageVerificationState>(); 439 440 HashSet<PackageParser.Package> mDeferredDexOpt = null; 441 442 /** Token for keys in mPendingVerification. */ 443 private int mPendingVerificationToken = 0; 444 445 boolean mSystemReady; 446 boolean mSafeMode; 447 boolean mHasSystemUidErrors; 448 449 ApplicationInfo mAndroidApplication; 450 final ActivityInfo mResolveActivity = new ActivityInfo(); 451 final ResolveInfo mResolveInfo = new ResolveInfo(); 452 ComponentName mResolveComponentName; 453 PackageParser.Package mPlatformPackage; 454 ComponentName mCustomResolverComponentName; 455 456 boolean mResolverReplaced = false; 457 458 // Set of pending broadcasts for aggregating enable/disable of components. 459 static class PendingPackageBroadcasts { 460 // for each user id, a map of <package name -> components within that package> 461 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 462 463 public PendingPackageBroadcasts() { 464 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 465 } 466 467 public ArrayList<String> get(int userId, String packageName) { 468 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 469 return packages.get(packageName); 470 } 471 472 public void put(int userId, String packageName, ArrayList<String> components) { 473 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 474 packages.put(packageName, components); 475 } 476 477 public void remove(int userId, String packageName) { 478 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 479 if (packages != null) { 480 packages.remove(packageName); 481 } 482 } 483 484 public void remove(int userId) { 485 mUidMap.remove(userId); 486 } 487 488 public int userIdCount() { 489 return mUidMap.size(); 490 } 491 492 public int userIdAt(int n) { 493 return mUidMap.keyAt(n); 494 } 495 496 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 497 return mUidMap.get(userId); 498 } 499 500 public int size() { 501 // total number of pending broadcast entries across all userIds 502 int num = 0; 503 for (int i = 0; i< mUidMap.size(); i++) { 504 num += mUidMap.valueAt(i).size(); 505 } 506 return num; 507 } 508 509 public void clear() { 510 mUidMap.clear(); 511 } 512 513 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 514 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 515 if (map == null) { 516 map = new HashMap<String, ArrayList<String>>(); 517 mUidMap.put(userId, map); 518 } 519 return map; 520 } 521 } 522 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 523 524 // Service Connection to remote media container service to copy 525 // package uri's from external media onto secure containers 526 // or internal storage. 527 private IMediaContainerService mContainerService = null; 528 529 static final int SEND_PENDING_BROADCAST = 1; 530 static final int MCS_BOUND = 3; 531 static final int END_COPY = 4; 532 static final int INIT_COPY = 5; 533 static final int MCS_UNBIND = 6; 534 static final int START_CLEANING_PACKAGE = 7; 535 static final int FIND_INSTALL_LOC = 8; 536 static final int POST_INSTALL = 9; 537 static final int MCS_RECONNECT = 10; 538 static final int MCS_GIVE_UP = 11; 539 static final int UPDATED_MEDIA_STATUS = 12; 540 static final int WRITE_SETTINGS = 13; 541 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 542 static final int PACKAGE_VERIFIED = 15; 543 static final int CHECK_PENDING_VERIFICATION = 16; 544 545 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 546 547 // Delay time in millisecs 548 static final int BROADCAST_DELAY = 10 * 1000; 549 550 static UserManagerService sUserManager; 551 552 // Stores a list of users whose package restrictions file needs to be updated 553 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 554 555 final private DefaultContainerConnection mDefContainerConn = 556 new DefaultContainerConnection(); 557 class DefaultContainerConnection implements ServiceConnection { 558 public void onServiceConnected(ComponentName name, IBinder service) { 559 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 560 IMediaContainerService imcs = 561 IMediaContainerService.Stub.asInterface(service); 562 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 563 } 564 565 public void onServiceDisconnected(ComponentName name) { 566 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 567 } 568 }; 569 570 // Recordkeeping of restore-after-install operations that are currently in flight 571 // between the Package Manager and the Backup Manager 572 class PostInstallData { 573 public InstallArgs args; 574 public PackageInstalledInfo res; 575 576 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 577 args = _a; 578 res = _r; 579 } 580 }; 581 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 582 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 583 584 private final String mRequiredVerifierPackage; 585 586 class PackageHandler extends Handler { 587 private boolean mBound = false; 588 final ArrayList<HandlerParams> mPendingInstalls = 589 new ArrayList<HandlerParams>(); 590 591 private boolean connectToService() { 592 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 593 " DefaultContainerService"); 594 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 595 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 596 if (mContext.bindServiceAsUser(service, mDefContainerConn, 597 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 598 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 599 mBound = true; 600 return true; 601 } 602 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 603 return false; 604 } 605 606 private void disconnectService() { 607 mContainerService = null; 608 mBound = false; 609 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 610 mContext.unbindService(mDefContainerConn); 611 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 612 } 613 614 PackageHandler(Looper looper) { 615 super(looper); 616 } 617 618 public void handleMessage(Message msg) { 619 try { 620 doHandleMessage(msg); 621 } finally { 622 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 623 } 624 } 625 626 void doHandleMessage(Message msg) { 627 switch (msg.what) { 628 case INIT_COPY: { 629 HandlerParams params = (HandlerParams) msg.obj; 630 int idx = mPendingInstalls.size(); 631 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 632 // If a bind was already initiated we dont really 633 // need to do anything. The pending install 634 // will be processed later on. 635 if (!mBound) { 636 // If this is the only one pending we might 637 // have to bind to the service again. 638 if (!connectToService()) { 639 Slog.e(TAG, "Failed to bind to media container service"); 640 params.serviceError(); 641 return; 642 } else { 643 // Once we bind to the service, the first 644 // pending request will be processed. 645 mPendingInstalls.add(idx, params); 646 } 647 } else { 648 mPendingInstalls.add(idx, params); 649 // Already bound to the service. Just make 650 // sure we trigger off processing the first request. 651 if (idx == 0) { 652 mHandler.sendEmptyMessage(MCS_BOUND); 653 } 654 } 655 break; 656 } 657 case MCS_BOUND: { 658 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 659 if (msg.obj != null) { 660 mContainerService = (IMediaContainerService) msg.obj; 661 } 662 if (mContainerService == null) { 663 // Something seriously wrong. Bail out 664 Slog.e(TAG, "Cannot bind to media container service"); 665 for (HandlerParams params : mPendingInstalls) { 666 // Indicate service bind error 667 params.serviceError(); 668 } 669 mPendingInstalls.clear(); 670 } else if (mPendingInstalls.size() > 0) { 671 HandlerParams params = mPendingInstalls.get(0); 672 if (params != null) { 673 if (params.startCopy()) { 674 // We are done... look for more work or to 675 // go idle. 676 if (DEBUG_SD_INSTALL) Log.i(TAG, 677 "Checking for more work or unbind..."); 678 // Delete pending install 679 if (mPendingInstalls.size() > 0) { 680 mPendingInstalls.remove(0); 681 } 682 if (mPendingInstalls.size() == 0) { 683 if (mBound) { 684 if (DEBUG_SD_INSTALL) Log.i(TAG, 685 "Posting delayed MCS_UNBIND"); 686 removeMessages(MCS_UNBIND); 687 Message ubmsg = obtainMessage(MCS_UNBIND); 688 // Unbind after a little delay, to avoid 689 // continual thrashing. 690 sendMessageDelayed(ubmsg, 10000); 691 } 692 } else { 693 // There are more pending requests in queue. 694 // Just post MCS_BOUND message to trigger processing 695 // of next pending install. 696 if (DEBUG_SD_INSTALL) Log.i(TAG, 697 "Posting MCS_BOUND for next woek"); 698 mHandler.sendEmptyMessage(MCS_BOUND); 699 } 700 } 701 } 702 } else { 703 // Should never happen ideally. 704 Slog.w(TAG, "Empty queue"); 705 } 706 break; 707 } 708 case MCS_RECONNECT: { 709 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 710 if (mPendingInstalls.size() > 0) { 711 if (mBound) { 712 disconnectService(); 713 } 714 if (!connectToService()) { 715 Slog.e(TAG, "Failed to bind to media container service"); 716 for (HandlerParams params : mPendingInstalls) { 717 // Indicate service bind error 718 params.serviceError(); 719 } 720 mPendingInstalls.clear(); 721 } 722 } 723 break; 724 } 725 case MCS_UNBIND: { 726 // If there is no actual work left, then time to unbind. 727 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 728 729 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 730 if (mBound) { 731 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 732 733 disconnectService(); 734 } 735 } else if (mPendingInstalls.size() > 0) { 736 // There are more pending requests in queue. 737 // Just post MCS_BOUND message to trigger processing 738 // of next pending install. 739 mHandler.sendEmptyMessage(MCS_BOUND); 740 } 741 742 break; 743 } 744 case MCS_GIVE_UP: { 745 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 746 mPendingInstalls.remove(0); 747 break; 748 } 749 case SEND_PENDING_BROADCAST: { 750 String packages[]; 751 ArrayList<String> components[]; 752 int size = 0; 753 int uids[]; 754 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 755 synchronized (mPackages) { 756 if (mPendingBroadcasts == null) { 757 return; 758 } 759 size = mPendingBroadcasts.size(); 760 if (size <= 0) { 761 // Nothing to be done. Just return 762 return; 763 } 764 packages = new String[size]; 765 components = new ArrayList[size]; 766 uids = new int[size]; 767 int i = 0; // filling out the above arrays 768 769 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 770 int packageUserId = mPendingBroadcasts.userIdAt(n); 771 Iterator<Map.Entry<String, ArrayList<String>>> it 772 = mPendingBroadcasts.packagesForUserId(packageUserId) 773 .entrySet().iterator(); 774 while (it.hasNext() && i < size) { 775 Map.Entry<String, ArrayList<String>> ent = it.next(); 776 packages[i] = ent.getKey(); 777 components[i] = ent.getValue(); 778 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 779 uids[i] = (ps != null) 780 ? UserHandle.getUid(packageUserId, ps.appId) 781 : -1; 782 i++; 783 } 784 } 785 size = i; 786 mPendingBroadcasts.clear(); 787 } 788 // Send broadcasts 789 for (int i = 0; i < size; i++) { 790 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 791 } 792 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 793 break; 794 } 795 case START_CLEANING_PACKAGE: { 796 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 797 final String packageName = (String)msg.obj; 798 final int userId = msg.arg1; 799 final boolean andCode = msg.arg2 != 0; 800 synchronized (mPackages) { 801 if (userId == UserHandle.USER_ALL) { 802 int[] users = sUserManager.getUserIds(); 803 for (int user : users) { 804 mSettings.addPackageToCleanLPw( 805 new PackageCleanItem(user, packageName, andCode)); 806 } 807 } else { 808 mSettings.addPackageToCleanLPw( 809 new PackageCleanItem(userId, packageName, andCode)); 810 } 811 } 812 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 813 startCleaningPackages(); 814 } break; 815 case POST_INSTALL: { 816 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 817 PostInstallData data = mRunningInstalls.get(msg.arg1); 818 mRunningInstalls.delete(msg.arg1); 819 boolean deleteOld = false; 820 821 if (data != null) { 822 InstallArgs args = data.args; 823 PackageInstalledInfo res = data.res; 824 825 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 826 res.removedInfo.sendBroadcast(false, true, false); 827 Bundle extras = new Bundle(1); 828 extras.putInt(Intent.EXTRA_UID, res.uid); 829 // Determine the set of users who are adding this 830 // package for the first time vs. those who are seeing 831 // an update. 832 int[] firstUsers; 833 int[] updateUsers = new int[0]; 834 if (res.origUsers == null || res.origUsers.length == 0) { 835 firstUsers = res.newUsers; 836 } else { 837 firstUsers = new int[0]; 838 for (int i=0; i<res.newUsers.length; i++) { 839 int user = res.newUsers[i]; 840 boolean isNew = true; 841 for (int j=0; j<res.origUsers.length; j++) { 842 if (res.origUsers[j] == user) { 843 isNew = false; 844 break; 845 } 846 } 847 if (isNew) { 848 int[] newFirst = new int[firstUsers.length+1]; 849 System.arraycopy(firstUsers, 0, newFirst, 0, 850 firstUsers.length); 851 newFirst[firstUsers.length] = user; 852 firstUsers = newFirst; 853 } else { 854 int[] newUpdate = new int[updateUsers.length+1]; 855 System.arraycopy(updateUsers, 0, newUpdate, 0, 856 updateUsers.length); 857 newUpdate[updateUsers.length] = user; 858 updateUsers = newUpdate; 859 } 860 } 861 } 862 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 863 res.pkg.applicationInfo.packageName, 864 extras, null, null, firstUsers); 865 final boolean update = res.removedInfo.removedPackage != null; 866 if (update) { 867 extras.putBoolean(Intent.EXTRA_REPLACING, true); 868 } 869 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 870 res.pkg.applicationInfo.packageName, 871 extras, null, null, updateUsers); 872 if (update) { 873 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 874 res.pkg.applicationInfo.packageName, 875 extras, null, null, updateUsers); 876 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 877 null, null, 878 res.pkg.applicationInfo.packageName, null, updateUsers); 879 880 // treat asec-hosted packages like removable media on upgrade 881 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 882 if (DEBUG_INSTALL) { 883 Slog.i(TAG, "upgrading pkg " + res.pkg 884 + " is ASEC-hosted -> AVAILABLE"); 885 } 886 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 887 ArrayList<String> pkgList = new ArrayList<String>(1); 888 pkgList.add(res.pkg.applicationInfo.packageName); 889 sendResourcesChangedBroadcast(true, true, 890 pkgList,uidArray, null); 891 } 892 } 893 if (res.removedInfo.args != null) { 894 // Remove the replaced package's older resources safely now 895 deleteOld = true; 896 } 897 898 // Log current value of "unknown sources" setting 899 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 900 getUnknownSourcesSettings()); 901 } 902 // Force a gc to clear up things 903 Runtime.getRuntime().gc(); 904 // We delete after a gc for applications on sdcard. 905 if (deleteOld) { 906 synchronized (mInstallLock) { 907 res.removedInfo.args.doPostDeleteLI(true); 908 } 909 } 910 if (args.observer != null) { 911 try { 912 args.observer.packageInstalled(res.name, res.returnCode); 913 } catch (RemoteException e) { 914 Slog.i(TAG, "Observer no longer exists."); 915 } 916 } 917 } else { 918 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 919 } 920 } break; 921 case UPDATED_MEDIA_STATUS: { 922 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 923 boolean reportStatus = msg.arg1 == 1; 924 boolean doGc = msg.arg2 == 1; 925 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 926 if (doGc) { 927 // Force a gc to clear up stale containers. 928 Runtime.getRuntime().gc(); 929 } 930 if (msg.obj != null) { 931 @SuppressWarnings("unchecked") 932 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 933 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 934 // Unload containers 935 unloadAllContainers(args); 936 } 937 if (reportStatus) { 938 try { 939 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 940 PackageHelper.getMountService().finishMediaUpdate(); 941 } catch (RemoteException e) { 942 Log.e(TAG, "MountService not running?"); 943 } 944 } 945 } break; 946 case WRITE_SETTINGS: { 947 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 948 synchronized (mPackages) { 949 removeMessages(WRITE_SETTINGS); 950 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 951 mSettings.writeLPr(); 952 mDirtyUsers.clear(); 953 } 954 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 955 } break; 956 case WRITE_PACKAGE_RESTRICTIONS: { 957 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 958 synchronized (mPackages) { 959 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 960 for (int userId : mDirtyUsers) { 961 mSettings.writePackageRestrictionsLPr(userId); 962 } 963 mDirtyUsers.clear(); 964 } 965 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 966 } break; 967 case CHECK_PENDING_VERIFICATION: { 968 final int verificationId = msg.arg1; 969 final PackageVerificationState state = mPendingVerification.get(verificationId); 970 971 if ((state != null) && !state.timeoutExtended()) { 972 final InstallArgs args = state.getInstallArgs(); 973 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 974 mPendingVerification.remove(verificationId); 975 976 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 977 978 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 979 Slog.i(TAG, "Continuing with installation of " 980 + args.packageURI.toString()); 981 state.setVerifierResponse(Binder.getCallingUid(), 982 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 983 broadcastPackageVerified(verificationId, args.packageURI, 984 PackageManager.VERIFICATION_ALLOW, 985 state.getInstallArgs().getUser()); 986 try { 987 ret = args.copyApk(mContainerService, true); 988 } catch (RemoteException e) { 989 Slog.e(TAG, "Could not contact the ContainerService"); 990 } 991 } else { 992 broadcastPackageVerified(verificationId, args.packageURI, 993 PackageManager.VERIFICATION_REJECT, 994 state.getInstallArgs().getUser()); 995 } 996 997 processPendingInstall(args, ret); 998 mHandler.sendEmptyMessage(MCS_UNBIND); 999 } 1000 break; 1001 } 1002 case PACKAGE_VERIFIED: { 1003 final int verificationId = msg.arg1; 1004 1005 final PackageVerificationState state = mPendingVerification.get(verificationId); 1006 if (state == null) { 1007 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1008 break; 1009 } 1010 1011 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1012 1013 state.setVerifierResponse(response.callerUid, response.code); 1014 1015 if (state.isVerificationComplete()) { 1016 mPendingVerification.remove(verificationId); 1017 1018 final InstallArgs args = state.getInstallArgs(); 1019 1020 int ret; 1021 if (state.isInstallAllowed()) { 1022 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1023 broadcastPackageVerified(verificationId, args.packageURI, 1024 response.code, state.getInstallArgs().getUser()); 1025 try { 1026 ret = args.copyApk(mContainerService, true); 1027 } catch (RemoteException e) { 1028 Slog.e(TAG, "Could not contact the ContainerService"); 1029 } 1030 } else { 1031 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1032 } 1033 1034 processPendingInstall(args, ret); 1035 1036 mHandler.sendEmptyMessage(MCS_UNBIND); 1037 } 1038 1039 break; 1040 } 1041 } 1042 } 1043 } 1044 1045 void scheduleWriteSettingsLocked() { 1046 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1047 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1048 } 1049 } 1050 1051 void scheduleWritePackageRestrictionsLocked(int userId) { 1052 if (!sUserManager.exists(userId)) return; 1053 mDirtyUsers.add(userId); 1054 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1055 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1056 } 1057 } 1058 1059 public static final IPackageManager main(Context context, Installer installer, 1060 boolean factoryTest, boolean onlyCore) { 1061 PackageManagerService m = new PackageManagerService(context, installer, 1062 factoryTest, onlyCore); 1063 ServiceManager.addService("package", m); 1064 return m; 1065 } 1066 1067 static String[] splitString(String str, char sep) { 1068 int count = 1; 1069 int i = 0; 1070 while ((i=str.indexOf(sep, i)) >= 0) { 1071 count++; 1072 i++; 1073 } 1074 1075 String[] res = new String[count]; 1076 i=0; 1077 count = 0; 1078 int lastI=0; 1079 while ((i=str.indexOf(sep, i)) >= 0) { 1080 res[count] = str.substring(lastI, i); 1081 count++; 1082 i++; 1083 lastI = i; 1084 } 1085 res[count] = str.substring(lastI, str.length()); 1086 return res; 1087 } 1088 1089 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1090 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1091 Context.DISPLAY_SERVICE); 1092 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1093 } 1094 1095 public PackageManagerService(Context context, Installer installer, 1096 boolean factoryTest, boolean onlyCore) { 1097 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1098 SystemClock.uptimeMillis()); 1099 1100 if (mSdkVersion <= 0) { 1101 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1102 } 1103 1104 mContext = context; 1105 mFactoryTest = factoryTest; 1106 mOnlyCore = onlyCore; 1107 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1108 mMetrics = new DisplayMetrics(); 1109 mSettings = new Settings(context); 1110 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1111 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1112 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1113 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1114 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1115 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1116 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1117 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1118 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1119 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1120 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1121 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1122 1123 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1124 if (separateProcesses != null && separateProcesses.length() > 0) { 1125 if ("*".equals(separateProcesses)) { 1126 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1127 mSeparateProcesses = null; 1128 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1129 } else { 1130 mDefParseFlags = 0; 1131 mSeparateProcesses = separateProcesses.split(","); 1132 Slog.w(TAG, "Running with debug.separate_processes: " 1133 + separateProcesses); 1134 } 1135 } else { 1136 mDefParseFlags = 0; 1137 mSeparateProcesses = null; 1138 } 1139 1140 mInstaller = installer; 1141 1142 getDefaultDisplayMetrics(context, mMetrics); 1143 1144 synchronized (mInstallLock) { 1145 // writer 1146 synchronized (mPackages) { 1147 mHandlerThread = new ServiceThread(TAG, 1148 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1149 mHandlerThread.start(); 1150 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1151 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1152 1153 File dataDir = Environment.getDataDirectory(); 1154 mAppDataDir = new File(dataDir, "data"); 1155 mAppInstallDir = new File(dataDir, "app"); 1156 mAppLibInstallDir = new File(dataDir, "app-lib"); 1157 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1158 mUserAppDataDir = new File(dataDir, "user"); 1159 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1160 1161 sUserManager = new UserManagerService(context, this, 1162 mInstallLock, mPackages); 1163 1164 readPermissions(); 1165 1166 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1167 1168 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1169 mSdkVersion, mOnlyCore); 1170 1171 String customResolverActivity = Resources.getSystem().getString( 1172 R.string.config_customResolverActivity); 1173 if (TextUtils.isEmpty(customResolverActivity)) { 1174 customResolverActivity = null; 1175 } else { 1176 mCustomResolverComponentName = ComponentName.unflattenFromString( 1177 customResolverActivity); 1178 } 1179 1180 long startTime = SystemClock.uptimeMillis(); 1181 1182 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1183 startTime); 1184 1185 // Set flag to monitor and not change apk file paths when 1186 // scanning install directories. 1187 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1188 if (mNoDexOpt) { 1189 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1190 scanMode |= SCAN_NO_DEX; 1191 } 1192 1193 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1194 1195 /** 1196 * Add everything in the in the boot class path to the 1197 * list of process files because dexopt will have been run 1198 * if necessary during zygote startup. 1199 */ 1200 String bootClassPath = System.getProperty("java.boot.class.path"); 1201 if (bootClassPath != null) { 1202 String[] paths = splitString(bootClassPath, ':'); 1203 for (int i=0; i<paths.length; i++) { 1204 alreadyDexOpted.add(paths[i]); 1205 } 1206 } else { 1207 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1208 } 1209 1210 boolean didDexOpt = false; 1211 1212 /** 1213 * Ensure all external libraries have had dexopt run on them. 1214 */ 1215 if (mSharedLibraries.size() > 0) { 1216 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1217 while (libs.hasNext()) { 1218 String lib = libs.next().path; 1219 if (lib == null) { 1220 continue; 1221 } 1222 try { 1223 if (dalvik.system.DexFile.isDexOptNeededInternal(lib, null, false)) { 1224 alreadyDexOpted.add(lib); 1225 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1226 didDexOpt = true; 1227 } 1228 } catch (FileNotFoundException e) { 1229 Slog.w(TAG, "Library not found: " + lib); 1230 } catch (IOException e) { 1231 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1232 + e.getMessage()); 1233 } 1234 } 1235 } 1236 1237 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1238 1239 // Gross hack for now: we know this file doesn't contain any 1240 // code, so don't dexopt it to avoid the resulting log spew. 1241 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1242 1243 // Gross hack for now: we know this file is only part of 1244 // the boot class path for art, so don't dexopt it to 1245 // avoid the resulting log spew. 1246 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1247 1248 /** 1249 * And there are a number of commands implemented in Java, which 1250 * we currently need to do the dexopt on so that they can be 1251 * run from a non-root shell. 1252 */ 1253 String[] frameworkFiles = frameworkDir.list(); 1254 if (frameworkFiles != null) { 1255 for (int i=0; i<frameworkFiles.length; i++) { 1256 File libPath = new File(frameworkDir, frameworkFiles[i]); 1257 String path = libPath.getPath(); 1258 // Skip the file if we alrady did it. 1259 if (alreadyDexOpted.contains(path)) { 1260 continue; 1261 } 1262 // Skip the file if it is not a type we want to dexopt. 1263 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1264 continue; 1265 } 1266 try { 1267 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, false)) { 1268 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1269 didDexOpt = true; 1270 } 1271 } catch (FileNotFoundException e) { 1272 Slog.w(TAG, "Jar not found: " + path); 1273 } catch (IOException e) { 1274 Slog.w(TAG, "Exception reading jar: " + path, e); 1275 } 1276 } 1277 } 1278 1279 if (didDexOpt) { 1280 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1281 1282 // If we had to do a dexopt of one of the previous 1283 // things, then something on the system has changed. 1284 // Consider this significant, and wipe away all other 1285 // existing dexopt files to ensure we don't leave any 1286 // dangling around. 1287 String[] files = dalvikCacheDir.list(); 1288 if (files != null) { 1289 for (int i=0; i<files.length; i++) { 1290 String fn = files[i]; 1291 if (fn.startsWith("data@app@") 1292 || fn.startsWith("data@app-private@")) { 1293 Slog.i(TAG, "Pruning dalvik file: " + fn); 1294 (new File(dalvikCacheDir, fn)).delete(); 1295 } 1296 } 1297 } 1298 } 1299 1300 // Collect vendor overlay packages. 1301 // (Do this before scanning any apps.) 1302 // For security and version matching reason, only consider 1303 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1304 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1305 mVendorOverlayInstallObserver = new AppDirObserver( 1306 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1307 mVendorOverlayInstallObserver.startWatching(); 1308 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1309 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1310 1311 // Find base frameworks (resource packages without code). 1312 mFrameworkInstallObserver = new AppDirObserver( 1313 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1314 mFrameworkInstallObserver.startWatching(); 1315 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1316 | PackageParser.PARSE_IS_SYSTEM_DIR 1317 | PackageParser.PARSE_IS_PRIVILEGED, 1318 scanMode | SCAN_NO_DEX, 0); 1319 1320 // Collected privileged system packages. 1321 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1322 mPrivilegedInstallObserver = new AppDirObserver( 1323 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1324 mPrivilegedInstallObserver.startWatching(); 1325 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1326 | PackageParser.PARSE_IS_SYSTEM_DIR 1327 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1328 1329 // Collect ordinary system packages. 1330 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1331 mSystemInstallObserver = new AppDirObserver( 1332 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1333 mSystemInstallObserver.startWatching(); 1334 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1335 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1336 1337 // Collect all vendor packages. 1338 File vendorAppDir = new File("/vendor/app"); 1339 try { 1340 vendorAppDir = vendorAppDir.getCanonicalFile(); 1341 } catch (IOException e) { 1342 // failed to look up canonical path, continue with original one 1343 } 1344 mVendorInstallObserver = new AppDirObserver( 1345 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1346 mVendorInstallObserver.startWatching(); 1347 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1348 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1349 1350 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1351 mInstaller.moveFiles(); 1352 1353 // Prune any system packages that no longer exist. 1354 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1355 if (!mOnlyCore) { 1356 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1357 while (psit.hasNext()) { 1358 PackageSetting ps = psit.next(); 1359 1360 /* 1361 * If this is not a system app, it can't be a 1362 * disable system app. 1363 */ 1364 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1365 continue; 1366 } 1367 1368 /* 1369 * If the package is scanned, it's not erased. 1370 */ 1371 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1372 if (scannedPkg != null) { 1373 /* 1374 * If the system app is both scanned and in the 1375 * disabled packages list, then it must have been 1376 * added via OTA. Remove it from the currently 1377 * scanned package so the previously user-installed 1378 * application can be scanned. 1379 */ 1380 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1381 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1382 + "; removing system app"); 1383 removePackageLI(ps, true); 1384 } 1385 1386 continue; 1387 } 1388 1389 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1390 psit.remove(); 1391 String msg = "System package " + ps.name 1392 + " no longer exists; wiping its data"; 1393 reportSettingsProblem(Log.WARN, msg); 1394 removeDataDirsLI(ps.name); 1395 } else { 1396 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1397 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1398 possiblyDeletedUpdatedSystemApps.add(ps.name); 1399 } 1400 } 1401 } 1402 } 1403 1404 //look for any incomplete package installations 1405 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1406 //clean up list 1407 for(int i = 0; i < deletePkgsList.size(); i++) { 1408 //clean up here 1409 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1410 } 1411 //delete tmp files 1412 deleteTempPackageFiles(); 1413 1414 // Remove any shared userIDs that have no associated packages 1415 mSettings.pruneSharedUsersLPw(); 1416 1417 if (!mOnlyCore) { 1418 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1419 SystemClock.uptimeMillis()); 1420 mAppInstallObserver = new AppDirObserver( 1421 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1422 mAppInstallObserver.startWatching(); 1423 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1424 1425 mDrmAppInstallObserver = new AppDirObserver( 1426 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1427 mDrmAppInstallObserver.startWatching(); 1428 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1429 scanMode, 0); 1430 1431 /** 1432 * Remove disable package settings for any updated system 1433 * apps that were removed via an OTA. If they're not a 1434 * previously-updated app, remove them completely. 1435 * Otherwise, just revoke their system-level permissions. 1436 */ 1437 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1438 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1439 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1440 1441 String msg; 1442 if (deletedPkg == null) { 1443 msg = "Updated system package " + deletedAppName 1444 + " no longer exists; wiping its data"; 1445 removeDataDirsLI(deletedAppName); 1446 } else { 1447 msg = "Updated system app + " + deletedAppName 1448 + " no longer present; removing system privileges for " 1449 + deletedAppName; 1450 1451 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1452 1453 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1454 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1455 } 1456 reportSettingsProblem(Log.WARN, msg); 1457 } 1458 } else { 1459 mAppInstallObserver = null; 1460 mDrmAppInstallObserver = null; 1461 } 1462 1463 // Now that we know all of the shared libraries, update all clients to have 1464 // the correct library paths. 1465 updateAllSharedLibrariesLPw(); 1466 1467 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1468 SystemClock.uptimeMillis()); 1469 Slog.i(TAG, "Time to scan packages: " 1470 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1471 + " seconds"); 1472 1473 // If the platform SDK has changed since the last time we booted, 1474 // we need to re-grant app permission to catch any new ones that 1475 // appear. This is really a hack, and means that apps can in some 1476 // cases get permissions that the user didn't initially explicitly 1477 // allow... it would be nice to have some better way to handle 1478 // this situation. 1479 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1480 != mSdkVersion; 1481 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1482 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1483 + "; regranting permissions for internal storage"); 1484 mSettings.mInternalSdkPlatform = mSdkVersion; 1485 1486 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1487 | (regrantPermissions 1488 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1489 : 0)); 1490 1491 // If this is the first boot, and it is a normal boot, then 1492 // we need to initialize the default preferred apps. 1493 if (!mRestoredSettings && !onlyCore) { 1494 mSettings.readDefaultPreferredAppsLPw(this, 0); 1495 } 1496 1497 // can downgrade to reader 1498 mSettings.writeLPr(); 1499 1500 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1501 SystemClock.uptimeMillis()); 1502 1503 // Now after opening every single application zip, make sure they 1504 // are all flushed. Not really needed, but keeps things nice and 1505 // tidy. 1506 Runtime.getRuntime().gc(); 1507 1508 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1509 } // synchronized (mPackages) 1510 } // synchronized (mInstallLock) 1511 } 1512 1513 public boolean isFirstBoot() { 1514 return !mRestoredSettings; 1515 } 1516 1517 public boolean isOnlyCoreApps() { 1518 return mOnlyCore; 1519 } 1520 1521 private String getRequiredVerifierLPr() { 1522 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1523 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1524 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1525 1526 String requiredVerifier = null; 1527 1528 final int N = receivers.size(); 1529 for (int i = 0; i < N; i++) { 1530 final ResolveInfo info = receivers.get(i); 1531 1532 if (info.activityInfo == null) { 1533 continue; 1534 } 1535 1536 final String packageName = info.activityInfo.packageName; 1537 1538 final PackageSetting ps = mSettings.mPackages.get(packageName); 1539 if (ps == null) { 1540 continue; 1541 } 1542 1543 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1544 if (!gp.grantedPermissions 1545 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1546 continue; 1547 } 1548 1549 if (requiredVerifier != null) { 1550 throw new RuntimeException("There can be only one required verifier"); 1551 } 1552 1553 requiredVerifier = packageName; 1554 } 1555 1556 return requiredVerifier; 1557 } 1558 1559 @Override 1560 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1561 throws RemoteException { 1562 try { 1563 return super.onTransact(code, data, reply, flags); 1564 } catch (RuntimeException e) { 1565 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1566 Slog.wtf(TAG, "Package Manager Crash", e); 1567 } 1568 throw e; 1569 } 1570 } 1571 1572 void cleanupInstallFailedPackage(PackageSetting ps) { 1573 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1574 removeDataDirsLI(ps.name); 1575 if (ps.codePath != null) { 1576 if (!ps.codePath.delete()) { 1577 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1578 } 1579 } 1580 if (ps.resourcePath != null) { 1581 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1582 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1583 } 1584 } 1585 mSettings.removePackageLPw(ps.name); 1586 } 1587 1588 void readPermissions() { 1589 // Read permissions from .../etc/permission directory. 1590 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1591 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1592 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1593 return; 1594 } 1595 if (!libraryDir.canRead()) { 1596 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1597 return; 1598 } 1599 1600 // Iterate over the files in the directory and scan .xml files 1601 for (File f : libraryDir.listFiles()) { 1602 // We'll read platform.xml last 1603 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1604 continue; 1605 } 1606 1607 if (!f.getPath().endsWith(".xml")) { 1608 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1609 continue; 1610 } 1611 if (!f.canRead()) { 1612 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1613 continue; 1614 } 1615 1616 readPermissionsFromXml(f); 1617 } 1618 1619 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1620 final File permFile = new File(Environment.getRootDirectory(), 1621 "etc/permissions/platform.xml"); 1622 readPermissionsFromXml(permFile); 1623 } 1624 1625 private void readPermissionsFromXml(File permFile) { 1626 FileReader permReader = null; 1627 try { 1628 permReader = new FileReader(permFile); 1629 } catch (FileNotFoundException e) { 1630 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1631 return; 1632 } 1633 1634 try { 1635 XmlPullParser parser = Xml.newPullParser(); 1636 parser.setInput(permReader); 1637 1638 XmlUtils.beginDocument(parser, "permissions"); 1639 1640 while (true) { 1641 XmlUtils.nextElement(parser); 1642 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1643 break; 1644 } 1645 1646 String name = parser.getName(); 1647 if ("group".equals(name)) { 1648 String gidStr = parser.getAttributeValue(null, "gid"); 1649 if (gidStr != null) { 1650 int gid = Process.getGidForName(gidStr); 1651 mGlobalGids = appendInt(mGlobalGids, gid); 1652 } else { 1653 Slog.w(TAG, "<group> without gid at " 1654 + parser.getPositionDescription()); 1655 } 1656 1657 XmlUtils.skipCurrentTag(parser); 1658 continue; 1659 } else if ("permission".equals(name)) { 1660 String perm = parser.getAttributeValue(null, "name"); 1661 if (perm == null) { 1662 Slog.w(TAG, "<permission> without name at " 1663 + parser.getPositionDescription()); 1664 XmlUtils.skipCurrentTag(parser); 1665 continue; 1666 } 1667 perm = perm.intern(); 1668 readPermission(parser, perm); 1669 1670 } else if ("assign-permission".equals(name)) { 1671 String perm = parser.getAttributeValue(null, "name"); 1672 if (perm == null) { 1673 Slog.w(TAG, "<assign-permission> without name at " 1674 + parser.getPositionDescription()); 1675 XmlUtils.skipCurrentTag(parser); 1676 continue; 1677 } 1678 String uidStr = parser.getAttributeValue(null, "uid"); 1679 if (uidStr == null) { 1680 Slog.w(TAG, "<assign-permission> without uid at " 1681 + parser.getPositionDescription()); 1682 XmlUtils.skipCurrentTag(parser); 1683 continue; 1684 } 1685 int uid = Process.getUidForName(uidStr); 1686 if (uid < 0) { 1687 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1688 + uidStr + "\" at " 1689 + parser.getPositionDescription()); 1690 XmlUtils.skipCurrentTag(parser); 1691 continue; 1692 } 1693 perm = perm.intern(); 1694 HashSet<String> perms = mSystemPermissions.get(uid); 1695 if (perms == null) { 1696 perms = new HashSet<String>(); 1697 mSystemPermissions.put(uid, perms); 1698 } 1699 perms.add(perm); 1700 XmlUtils.skipCurrentTag(parser); 1701 1702 } else if ("library".equals(name)) { 1703 String lname = parser.getAttributeValue(null, "name"); 1704 String lfile = parser.getAttributeValue(null, "file"); 1705 if (lname == null) { 1706 Slog.w(TAG, "<library> without name at " 1707 + parser.getPositionDescription()); 1708 } else if (lfile == null) { 1709 Slog.w(TAG, "<library> without file at " 1710 + parser.getPositionDescription()); 1711 } else { 1712 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1713 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1714 } 1715 XmlUtils.skipCurrentTag(parser); 1716 continue; 1717 1718 } else if ("feature".equals(name)) { 1719 String fname = parser.getAttributeValue(null, "name"); 1720 if (fname == null) { 1721 Slog.w(TAG, "<feature> without name at " 1722 + parser.getPositionDescription()); 1723 } else { 1724 //Log.i(TAG, "Got feature " + fname); 1725 FeatureInfo fi = new FeatureInfo(); 1726 fi.name = fname; 1727 mAvailableFeatures.put(fname, fi); 1728 } 1729 XmlUtils.skipCurrentTag(parser); 1730 continue; 1731 1732 } else { 1733 XmlUtils.skipCurrentTag(parser); 1734 continue; 1735 } 1736 1737 } 1738 permReader.close(); 1739 } catch (XmlPullParserException e) { 1740 Slog.w(TAG, "Got execption parsing permissions.", e); 1741 } catch (IOException e) { 1742 Slog.w(TAG, "Got execption parsing permissions.", e); 1743 } 1744 } 1745 1746 void readPermission(XmlPullParser parser, String name) 1747 throws IOException, XmlPullParserException { 1748 1749 name = name.intern(); 1750 1751 BasePermission bp = mSettings.mPermissions.get(name); 1752 if (bp == null) { 1753 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1754 mSettings.mPermissions.put(name, bp); 1755 } 1756 int outerDepth = parser.getDepth(); 1757 int type; 1758 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1759 && (type != XmlPullParser.END_TAG 1760 || parser.getDepth() > outerDepth)) { 1761 if (type == XmlPullParser.END_TAG 1762 || type == XmlPullParser.TEXT) { 1763 continue; 1764 } 1765 1766 String tagName = parser.getName(); 1767 if ("group".equals(tagName)) { 1768 String gidStr = parser.getAttributeValue(null, "gid"); 1769 if (gidStr != null) { 1770 int gid = Process.getGidForName(gidStr); 1771 bp.gids = appendInt(bp.gids, gid); 1772 } else { 1773 Slog.w(TAG, "<group> without gid at " 1774 + parser.getPositionDescription()); 1775 } 1776 } 1777 XmlUtils.skipCurrentTag(parser); 1778 } 1779 } 1780 1781 static int[] appendInts(int[] cur, int[] add) { 1782 if (add == null) return cur; 1783 if (cur == null) return add; 1784 final int N = add.length; 1785 for (int i=0; i<N; i++) { 1786 cur = appendInt(cur, add[i]); 1787 } 1788 return cur; 1789 } 1790 1791 static int[] removeInts(int[] cur, int[] rem) { 1792 if (rem == null) return cur; 1793 if (cur == null) return cur; 1794 final int N = rem.length; 1795 for (int i=0; i<N; i++) { 1796 cur = removeInt(cur, rem[i]); 1797 } 1798 return cur; 1799 } 1800 1801 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1802 if (!sUserManager.exists(userId)) return null; 1803 PackageInfo pi; 1804 final PackageSetting ps = (PackageSetting) p.mExtras; 1805 if (ps == null) { 1806 return null; 1807 } 1808 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1809 final PackageUserState state = ps.readUserState(userId); 1810 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1811 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1812 state, userId); 1813 } 1814 1815 public boolean isPackageAvailable(String packageName, int userId) { 1816 if (!sUserManager.exists(userId)) return false; 1817 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1818 synchronized (mPackages) { 1819 PackageParser.Package p = mPackages.get(packageName); 1820 if (p != null) { 1821 final PackageSetting ps = (PackageSetting) p.mExtras; 1822 if (ps != null) { 1823 final PackageUserState state = ps.readUserState(userId); 1824 if (state != null) { 1825 return PackageParser.isAvailable(state); 1826 } 1827 } 1828 } 1829 } 1830 return false; 1831 } 1832 1833 @Override 1834 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1835 if (!sUserManager.exists(userId)) return null; 1836 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1837 // reader 1838 synchronized (mPackages) { 1839 PackageParser.Package p = mPackages.get(packageName); 1840 if (DEBUG_PACKAGE_INFO) 1841 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1842 if (p != null) { 1843 return generatePackageInfo(p, flags, userId); 1844 } 1845 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1846 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1847 } 1848 } 1849 return null; 1850 } 1851 1852 public String[] currentToCanonicalPackageNames(String[] names) { 1853 String[] out = new String[names.length]; 1854 // reader 1855 synchronized (mPackages) { 1856 for (int i=names.length-1; i>=0; i--) { 1857 PackageSetting ps = mSettings.mPackages.get(names[i]); 1858 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1859 } 1860 } 1861 return out; 1862 } 1863 1864 public String[] canonicalToCurrentPackageNames(String[] names) { 1865 String[] out = new String[names.length]; 1866 // reader 1867 synchronized (mPackages) { 1868 for (int i=names.length-1; i>=0; i--) { 1869 String cur = mSettings.mRenamedPackages.get(names[i]); 1870 out[i] = cur != null ? cur : names[i]; 1871 } 1872 } 1873 return out; 1874 } 1875 1876 @Override 1877 public int getPackageUid(String packageName, int userId) { 1878 if (!sUserManager.exists(userId)) return -1; 1879 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1880 // reader 1881 synchronized (mPackages) { 1882 PackageParser.Package p = mPackages.get(packageName); 1883 if(p != null) { 1884 return UserHandle.getUid(userId, p.applicationInfo.uid); 1885 } 1886 PackageSetting ps = mSettings.mPackages.get(packageName); 1887 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1888 return -1; 1889 } 1890 p = ps.pkg; 1891 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1892 } 1893 } 1894 1895 @Override 1896 public int[] getPackageGids(String packageName) { 1897 // reader 1898 synchronized (mPackages) { 1899 PackageParser.Package p = mPackages.get(packageName); 1900 if (DEBUG_PACKAGE_INFO) 1901 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1902 if (p != null) { 1903 final PackageSetting ps = (PackageSetting)p.mExtras; 1904 return ps.getGids(); 1905 } 1906 } 1907 // stupid thing to indicate an error. 1908 return new int[0]; 1909 } 1910 1911 static final PermissionInfo generatePermissionInfo( 1912 BasePermission bp, int flags) { 1913 if (bp.perm != null) { 1914 return PackageParser.generatePermissionInfo(bp.perm, flags); 1915 } 1916 PermissionInfo pi = new PermissionInfo(); 1917 pi.name = bp.name; 1918 pi.packageName = bp.sourcePackage; 1919 pi.nonLocalizedLabel = bp.name; 1920 pi.protectionLevel = bp.protectionLevel; 1921 return pi; 1922 } 1923 1924 public PermissionInfo getPermissionInfo(String name, int flags) { 1925 // reader 1926 synchronized (mPackages) { 1927 final BasePermission p = mSettings.mPermissions.get(name); 1928 if (p != null) { 1929 return generatePermissionInfo(p, flags); 1930 } 1931 return null; 1932 } 1933 } 1934 1935 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1936 // reader 1937 synchronized (mPackages) { 1938 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1939 for (BasePermission p : mSettings.mPermissions.values()) { 1940 if (group == null) { 1941 if (p.perm == null || p.perm.info.group == null) { 1942 out.add(generatePermissionInfo(p, flags)); 1943 } 1944 } else { 1945 if (p.perm != null && group.equals(p.perm.info.group)) { 1946 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1947 } 1948 } 1949 } 1950 1951 if (out.size() > 0) { 1952 return out; 1953 } 1954 return mPermissionGroups.containsKey(group) ? out : null; 1955 } 1956 } 1957 1958 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1959 // reader 1960 synchronized (mPackages) { 1961 return PackageParser.generatePermissionGroupInfo( 1962 mPermissionGroups.get(name), flags); 1963 } 1964 } 1965 1966 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1967 // reader 1968 synchronized (mPackages) { 1969 final int N = mPermissionGroups.size(); 1970 ArrayList<PermissionGroupInfo> out 1971 = new ArrayList<PermissionGroupInfo>(N); 1972 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1973 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1974 } 1975 return out; 1976 } 1977 } 1978 1979 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1980 int userId) { 1981 if (!sUserManager.exists(userId)) return null; 1982 PackageSetting ps = mSettings.mPackages.get(packageName); 1983 if (ps != null) { 1984 if (ps.pkg == null) { 1985 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 1986 flags, userId); 1987 if (pInfo != null) { 1988 return pInfo.applicationInfo; 1989 } 1990 return null; 1991 } 1992 return PackageParser.generateApplicationInfo(ps.pkg, flags, 1993 ps.readUserState(userId), userId); 1994 } 1995 return null; 1996 } 1997 1998 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 1999 int userId) { 2000 if (!sUserManager.exists(userId)) return null; 2001 PackageSetting ps = mSettings.mPackages.get(packageName); 2002 if (ps != null) { 2003 PackageParser.Package pkg = ps.pkg; 2004 if (pkg == null) { 2005 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2006 return null; 2007 } 2008 pkg = new PackageParser.Package(packageName); 2009 pkg.applicationInfo.packageName = packageName; 2010 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2011 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2012 pkg.applicationInfo.sourceDir = ps.codePathString; 2013 pkg.applicationInfo.dataDir = 2014 getDataPathForPackage(packageName, 0).getPath(); 2015 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2016 pkg.applicationInfo.requiredCpuAbi = ps.requiredCpuAbiString; 2017 } 2018 return generatePackageInfo(pkg, flags, userId); 2019 } 2020 return null; 2021 } 2022 2023 @Override 2024 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2025 if (!sUserManager.exists(userId)) return null; 2026 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2027 // writer 2028 synchronized (mPackages) { 2029 PackageParser.Package p = mPackages.get(packageName); 2030 if (DEBUG_PACKAGE_INFO) Log.v( 2031 TAG, "getApplicationInfo " + packageName 2032 + ": " + p); 2033 if (p != null) { 2034 PackageSetting ps = mSettings.mPackages.get(packageName); 2035 if (ps == null) return null; 2036 // Note: isEnabledLP() does not apply here - always return info 2037 return PackageParser.generateApplicationInfo( 2038 p, flags, ps.readUserState(userId), userId); 2039 } 2040 if ("android".equals(packageName)||"system".equals(packageName)) { 2041 return mAndroidApplication; 2042 } 2043 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2044 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2045 } 2046 } 2047 return null; 2048 } 2049 2050 2051 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2052 mContext.enforceCallingOrSelfPermission( 2053 android.Manifest.permission.CLEAR_APP_CACHE, null); 2054 // Queue up an async operation since clearing cache may take a little while. 2055 mHandler.post(new Runnable() { 2056 public void run() { 2057 mHandler.removeCallbacks(this); 2058 int retCode = -1; 2059 synchronized (mInstallLock) { 2060 retCode = mInstaller.freeCache(freeStorageSize); 2061 if (retCode < 0) { 2062 Slog.w(TAG, "Couldn't clear application caches"); 2063 } 2064 } 2065 if (observer != null) { 2066 try { 2067 observer.onRemoveCompleted(null, (retCode >= 0)); 2068 } catch (RemoteException e) { 2069 Slog.w(TAG, "RemoveException when invoking call back"); 2070 } 2071 } 2072 } 2073 }); 2074 } 2075 2076 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2077 mContext.enforceCallingOrSelfPermission( 2078 android.Manifest.permission.CLEAR_APP_CACHE, null); 2079 // Queue up an async operation since clearing cache may take a little while. 2080 mHandler.post(new Runnable() { 2081 public void run() { 2082 mHandler.removeCallbacks(this); 2083 int retCode = -1; 2084 synchronized (mInstallLock) { 2085 retCode = mInstaller.freeCache(freeStorageSize); 2086 if (retCode < 0) { 2087 Slog.w(TAG, "Couldn't clear application caches"); 2088 } 2089 } 2090 if(pi != null) { 2091 try { 2092 // Callback via pending intent 2093 int code = (retCode >= 0) ? 1 : 0; 2094 pi.sendIntent(null, code, null, 2095 null, null); 2096 } catch (SendIntentException e1) { 2097 Slog.i(TAG, "Failed to send pending intent"); 2098 } 2099 } 2100 } 2101 }); 2102 } 2103 2104 @Override 2105 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2106 if (!sUserManager.exists(userId)) return null; 2107 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2108 synchronized (mPackages) { 2109 PackageParser.Activity a = mActivities.mActivities.get(component); 2110 2111 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2112 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2113 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2114 if (ps == null) return null; 2115 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2116 userId); 2117 } 2118 if (mResolveComponentName.equals(component)) { 2119 return mResolveActivity; 2120 } 2121 } 2122 return null; 2123 } 2124 2125 @Override 2126 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2127 if (!sUserManager.exists(userId)) return null; 2128 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2129 synchronized (mPackages) { 2130 PackageParser.Activity a = mReceivers.mActivities.get(component); 2131 if (DEBUG_PACKAGE_INFO) Log.v( 2132 TAG, "getReceiverInfo " + component + ": " + a); 2133 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2134 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2135 if (ps == null) return null; 2136 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2137 userId); 2138 } 2139 } 2140 return null; 2141 } 2142 2143 @Override 2144 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2145 if (!sUserManager.exists(userId)) return null; 2146 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2147 synchronized (mPackages) { 2148 PackageParser.Service s = mServices.mServices.get(component); 2149 if (DEBUG_PACKAGE_INFO) Log.v( 2150 TAG, "getServiceInfo " + component + ": " + s); 2151 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2152 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2153 if (ps == null) return null; 2154 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2155 userId); 2156 } 2157 } 2158 return null; 2159 } 2160 2161 @Override 2162 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2163 if (!sUserManager.exists(userId)) return null; 2164 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2165 synchronized (mPackages) { 2166 PackageParser.Provider p = mProviders.mProviders.get(component); 2167 if (DEBUG_PACKAGE_INFO) Log.v( 2168 TAG, "getProviderInfo " + component + ": " + p); 2169 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2170 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2171 if (ps == null) return null; 2172 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2173 userId); 2174 } 2175 } 2176 return null; 2177 } 2178 2179 public String[] getSystemSharedLibraryNames() { 2180 Set<String> libSet; 2181 synchronized (mPackages) { 2182 libSet = mSharedLibraries.keySet(); 2183 int size = libSet.size(); 2184 if (size > 0) { 2185 String[] libs = new String[size]; 2186 libSet.toArray(libs); 2187 return libs; 2188 } 2189 } 2190 return null; 2191 } 2192 2193 public FeatureInfo[] getSystemAvailableFeatures() { 2194 Collection<FeatureInfo> featSet; 2195 synchronized (mPackages) { 2196 featSet = mAvailableFeatures.values(); 2197 int size = featSet.size(); 2198 if (size > 0) { 2199 FeatureInfo[] features = new FeatureInfo[size+1]; 2200 featSet.toArray(features); 2201 FeatureInfo fi = new FeatureInfo(); 2202 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2203 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2204 features[size] = fi; 2205 return features; 2206 } 2207 } 2208 return null; 2209 } 2210 2211 public boolean hasSystemFeature(String name) { 2212 synchronized (mPackages) { 2213 return mAvailableFeatures.containsKey(name); 2214 } 2215 } 2216 2217 private void checkValidCaller(int uid, int userId) { 2218 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2219 return; 2220 2221 throw new SecurityException("Caller uid=" + uid 2222 + " is not privileged to communicate with user=" + userId); 2223 } 2224 2225 public int checkPermission(String permName, String pkgName) { 2226 synchronized (mPackages) { 2227 PackageParser.Package p = mPackages.get(pkgName); 2228 if (p != null && p.mExtras != null) { 2229 PackageSetting ps = (PackageSetting)p.mExtras; 2230 if (ps.sharedUser != null) { 2231 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2232 return PackageManager.PERMISSION_GRANTED; 2233 } 2234 } else if (ps.grantedPermissions.contains(permName)) { 2235 return PackageManager.PERMISSION_GRANTED; 2236 } 2237 } 2238 } 2239 return PackageManager.PERMISSION_DENIED; 2240 } 2241 2242 public int checkUidPermission(String permName, int uid) { 2243 synchronized (mPackages) { 2244 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2245 if (obj != null) { 2246 GrantedPermissions gp = (GrantedPermissions)obj; 2247 if (gp.grantedPermissions.contains(permName)) { 2248 return PackageManager.PERMISSION_GRANTED; 2249 } 2250 } else { 2251 HashSet<String> perms = mSystemPermissions.get(uid); 2252 if (perms != null && perms.contains(permName)) { 2253 return PackageManager.PERMISSION_GRANTED; 2254 } 2255 } 2256 } 2257 return PackageManager.PERMISSION_DENIED; 2258 } 2259 2260 /** 2261 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2262 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2263 * @param message the message to log on security exception 2264 * @return 2265 */ 2266 private void enforceCrossUserPermission(int callingUid, int userId, 2267 boolean requireFullPermission, String message) { 2268 if (userId < 0) { 2269 throw new IllegalArgumentException("Invalid userId " + userId); 2270 } 2271 if (userId == UserHandle.getUserId(callingUid)) return; 2272 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2273 if (requireFullPermission) { 2274 mContext.enforceCallingOrSelfPermission( 2275 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2276 } else { 2277 try { 2278 mContext.enforceCallingOrSelfPermission( 2279 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2280 } catch (SecurityException se) { 2281 mContext.enforceCallingOrSelfPermission( 2282 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2283 } 2284 } 2285 } 2286 } 2287 2288 private BasePermission findPermissionTreeLP(String permName) { 2289 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2290 if (permName.startsWith(bp.name) && 2291 permName.length() > bp.name.length() && 2292 permName.charAt(bp.name.length()) == '.') { 2293 return bp; 2294 } 2295 } 2296 return null; 2297 } 2298 2299 private BasePermission checkPermissionTreeLP(String permName) { 2300 if (permName != null) { 2301 BasePermission bp = findPermissionTreeLP(permName); 2302 if (bp != null) { 2303 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2304 return bp; 2305 } 2306 throw new SecurityException("Calling uid " 2307 + Binder.getCallingUid() 2308 + " is not allowed to add to permission tree " 2309 + bp.name + " owned by uid " + bp.uid); 2310 } 2311 } 2312 throw new SecurityException("No permission tree found for " + permName); 2313 } 2314 2315 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2316 if (s1 == null) { 2317 return s2 == null; 2318 } 2319 if (s2 == null) { 2320 return false; 2321 } 2322 if (s1.getClass() != s2.getClass()) { 2323 return false; 2324 } 2325 return s1.equals(s2); 2326 } 2327 2328 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2329 if (pi1.icon != pi2.icon) return false; 2330 if (pi1.logo != pi2.logo) return false; 2331 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2332 if (!compareStrings(pi1.name, pi2.name)) return false; 2333 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2334 // We'll take care of setting this one. 2335 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2336 // These are not currently stored in settings. 2337 //if (!compareStrings(pi1.group, pi2.group)) return false; 2338 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2339 //if (pi1.labelRes != pi2.labelRes) return false; 2340 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2341 return true; 2342 } 2343 2344 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2345 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2346 throw new SecurityException("Label must be specified in permission"); 2347 } 2348 BasePermission tree = checkPermissionTreeLP(info.name); 2349 BasePermission bp = mSettings.mPermissions.get(info.name); 2350 boolean added = bp == null; 2351 boolean changed = true; 2352 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2353 if (added) { 2354 bp = new BasePermission(info.name, tree.sourcePackage, 2355 BasePermission.TYPE_DYNAMIC); 2356 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2357 throw new SecurityException( 2358 "Not allowed to modify non-dynamic permission " 2359 + info.name); 2360 } else { 2361 if (bp.protectionLevel == fixedLevel 2362 && bp.perm.owner.equals(tree.perm.owner) 2363 && bp.uid == tree.uid 2364 && comparePermissionInfos(bp.perm.info, info)) { 2365 changed = false; 2366 } 2367 } 2368 bp.protectionLevel = fixedLevel; 2369 info = new PermissionInfo(info); 2370 info.protectionLevel = fixedLevel; 2371 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2372 bp.perm.info.packageName = tree.perm.info.packageName; 2373 bp.uid = tree.uid; 2374 if (added) { 2375 mSettings.mPermissions.put(info.name, bp); 2376 } 2377 if (changed) { 2378 if (!async) { 2379 mSettings.writeLPr(); 2380 } else { 2381 scheduleWriteSettingsLocked(); 2382 } 2383 } 2384 return added; 2385 } 2386 2387 public boolean addPermission(PermissionInfo info) { 2388 synchronized (mPackages) { 2389 return addPermissionLocked(info, false); 2390 } 2391 } 2392 2393 public boolean addPermissionAsync(PermissionInfo info) { 2394 synchronized (mPackages) { 2395 return addPermissionLocked(info, true); 2396 } 2397 } 2398 2399 public void removePermission(String name) { 2400 synchronized (mPackages) { 2401 checkPermissionTreeLP(name); 2402 BasePermission bp = mSettings.mPermissions.get(name); 2403 if (bp != null) { 2404 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2405 throw new SecurityException( 2406 "Not allowed to modify non-dynamic permission " 2407 + name); 2408 } 2409 mSettings.mPermissions.remove(name); 2410 mSettings.writeLPr(); 2411 } 2412 } 2413 } 2414 2415 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2416 int index = pkg.requestedPermissions.indexOf(bp.name); 2417 if (index == -1) { 2418 throw new SecurityException("Package " + pkg.packageName 2419 + " has not requested permission " + bp.name); 2420 } 2421 boolean isNormal = 2422 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2423 == PermissionInfo.PROTECTION_NORMAL); 2424 boolean isDangerous = 2425 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2426 == PermissionInfo.PROTECTION_DANGEROUS); 2427 boolean isDevelopment = 2428 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2429 2430 if (!isNormal && !isDangerous && !isDevelopment) { 2431 throw new SecurityException("Permission " + bp.name 2432 + " is not a changeable permission type"); 2433 } 2434 2435 if (isNormal || isDangerous) { 2436 if (pkg.requestedPermissionsRequired.get(index)) { 2437 throw new SecurityException("Can't change " + bp.name 2438 + ". It is required by the application"); 2439 } 2440 } 2441 } 2442 2443 public void grantPermission(String packageName, String permissionName) { 2444 mContext.enforceCallingOrSelfPermission( 2445 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2446 synchronized (mPackages) { 2447 final PackageParser.Package pkg = mPackages.get(packageName); 2448 if (pkg == null) { 2449 throw new IllegalArgumentException("Unknown package: " + packageName); 2450 } 2451 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2452 if (bp == null) { 2453 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2454 } 2455 2456 checkGrantRevokePermissions(pkg, bp); 2457 2458 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2459 if (ps == null) { 2460 return; 2461 } 2462 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2463 if (gp.grantedPermissions.add(permissionName)) { 2464 if (ps.haveGids) { 2465 gp.gids = appendInts(gp.gids, bp.gids); 2466 } 2467 mSettings.writeLPr(); 2468 } 2469 } 2470 } 2471 2472 public void revokePermission(String packageName, String permissionName) { 2473 int changedAppId = -1; 2474 2475 synchronized (mPackages) { 2476 final PackageParser.Package pkg = mPackages.get(packageName); 2477 if (pkg == null) { 2478 throw new IllegalArgumentException("Unknown package: " + packageName); 2479 } 2480 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2481 mContext.enforceCallingOrSelfPermission( 2482 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2483 } 2484 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2485 if (bp == null) { 2486 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2487 } 2488 2489 checkGrantRevokePermissions(pkg, bp); 2490 2491 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2492 if (ps == null) { 2493 return; 2494 } 2495 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2496 if (gp.grantedPermissions.remove(permissionName)) { 2497 gp.grantedPermissions.remove(permissionName); 2498 if (ps.haveGids) { 2499 gp.gids = removeInts(gp.gids, bp.gids); 2500 } 2501 mSettings.writeLPr(); 2502 changedAppId = ps.appId; 2503 } 2504 } 2505 2506 if (changedAppId >= 0) { 2507 // We changed the perm on someone, kill its processes. 2508 IActivityManager am = ActivityManagerNative.getDefault(); 2509 if (am != null) { 2510 final int callingUserId = UserHandle.getCallingUserId(); 2511 final long ident = Binder.clearCallingIdentity(); 2512 try { 2513 //XXX we should only revoke for the calling user's app permissions, 2514 // but for now we impact all users. 2515 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2516 // "revoke " + permissionName); 2517 int[] users = sUserManager.getUserIds(); 2518 for (int user : users) { 2519 am.killUid(UserHandle.getUid(user, changedAppId), 2520 "revoke " + permissionName); 2521 } 2522 } catch (RemoteException e) { 2523 } finally { 2524 Binder.restoreCallingIdentity(ident); 2525 } 2526 } 2527 } 2528 } 2529 2530 public boolean isProtectedBroadcast(String actionName) { 2531 synchronized (mPackages) { 2532 return mProtectedBroadcasts.contains(actionName); 2533 } 2534 } 2535 2536 public int checkSignatures(String pkg1, String pkg2) { 2537 synchronized (mPackages) { 2538 final PackageParser.Package p1 = mPackages.get(pkg1); 2539 final PackageParser.Package p2 = mPackages.get(pkg2); 2540 if (p1 == null || p1.mExtras == null 2541 || p2 == null || p2.mExtras == null) { 2542 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2543 } 2544 return compareSignatures(p1.mSignatures, p2.mSignatures); 2545 } 2546 } 2547 2548 public int checkUidSignatures(int uid1, int uid2) { 2549 // Map to base uids. 2550 uid1 = UserHandle.getAppId(uid1); 2551 uid2 = UserHandle.getAppId(uid2); 2552 // reader 2553 synchronized (mPackages) { 2554 Signature[] s1; 2555 Signature[] s2; 2556 Object obj = mSettings.getUserIdLPr(uid1); 2557 if (obj != null) { 2558 if (obj instanceof SharedUserSetting) { 2559 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2560 } else if (obj instanceof PackageSetting) { 2561 s1 = ((PackageSetting)obj).signatures.mSignatures; 2562 } else { 2563 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2564 } 2565 } else { 2566 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2567 } 2568 obj = mSettings.getUserIdLPr(uid2); 2569 if (obj != null) { 2570 if (obj instanceof SharedUserSetting) { 2571 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2572 } else if (obj instanceof PackageSetting) { 2573 s2 = ((PackageSetting)obj).signatures.mSignatures; 2574 } else { 2575 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2576 } 2577 } else { 2578 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2579 } 2580 return compareSignatures(s1, s2); 2581 } 2582 } 2583 2584 /** 2585 * Compares two sets of signatures. Returns: 2586 * <br /> 2587 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2588 * <br /> 2589 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2590 * <br /> 2591 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2592 * <br /> 2593 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2594 * <br /> 2595 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2596 */ 2597 static int compareSignatures(Signature[] s1, Signature[] s2) { 2598 if (s1 == null) { 2599 return s2 == null 2600 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2601 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2602 } 2603 2604 if (s2 == null) { 2605 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2606 } 2607 2608 if (s1.length != s2.length) { 2609 return PackageManager.SIGNATURE_NO_MATCH; 2610 } 2611 2612 // Since both signature sets are of size 1, we can compare without HashSets. 2613 if (s1.length == 1) { 2614 return s1[0].equals(s2[0]) ? 2615 PackageManager.SIGNATURE_MATCH : 2616 PackageManager.SIGNATURE_NO_MATCH; 2617 } 2618 2619 HashSet<Signature> set1 = new HashSet<Signature>(); 2620 for (Signature sig : s1) { 2621 set1.add(sig); 2622 } 2623 HashSet<Signature> set2 = new HashSet<Signature>(); 2624 for (Signature sig : s2) { 2625 set2.add(sig); 2626 } 2627 // Make sure s2 contains all signatures in s1. 2628 if (set1.equals(set2)) { 2629 return PackageManager.SIGNATURE_MATCH; 2630 } 2631 return PackageManager.SIGNATURE_NO_MATCH; 2632 } 2633 2634 public String[] getPackagesForUid(int uid) { 2635 uid = UserHandle.getAppId(uid); 2636 // reader 2637 synchronized (mPackages) { 2638 Object obj = mSettings.getUserIdLPr(uid); 2639 if (obj instanceof SharedUserSetting) { 2640 final SharedUserSetting sus = (SharedUserSetting) obj; 2641 final int N = sus.packages.size(); 2642 final String[] res = new String[N]; 2643 final Iterator<PackageSetting> it = sus.packages.iterator(); 2644 int i = 0; 2645 while (it.hasNext()) { 2646 res[i++] = it.next().name; 2647 } 2648 return res; 2649 } else if (obj instanceof PackageSetting) { 2650 final PackageSetting ps = (PackageSetting) obj; 2651 return new String[] { ps.name }; 2652 } 2653 } 2654 return null; 2655 } 2656 2657 public String getNameForUid(int uid) { 2658 // reader 2659 synchronized (mPackages) { 2660 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2661 if (obj instanceof SharedUserSetting) { 2662 final SharedUserSetting sus = (SharedUserSetting) obj; 2663 return sus.name + ":" + sus.userId; 2664 } else if (obj instanceof PackageSetting) { 2665 final PackageSetting ps = (PackageSetting) obj; 2666 return ps.name; 2667 } 2668 } 2669 return null; 2670 } 2671 2672 public int getUidForSharedUser(String sharedUserName) { 2673 if(sharedUserName == null) { 2674 return -1; 2675 } 2676 // reader 2677 synchronized (mPackages) { 2678 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2679 if (suid == null) { 2680 return -1; 2681 } 2682 return suid.userId; 2683 } 2684 } 2685 2686 public int getFlagsForUid(int uid) { 2687 synchronized (mPackages) { 2688 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2689 if (obj instanceof SharedUserSetting) { 2690 final SharedUserSetting sus = (SharedUserSetting) obj; 2691 return sus.pkgFlags; 2692 } else if (obj instanceof PackageSetting) { 2693 final PackageSetting ps = (PackageSetting) obj; 2694 return ps.pkgFlags; 2695 } 2696 } 2697 return 0; 2698 } 2699 2700 @Override 2701 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2702 int flags, int userId) { 2703 if (!sUserManager.exists(userId)) return null; 2704 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2705 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2706 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2707 } 2708 2709 @Override 2710 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2711 IntentFilter filter, int match, ComponentName activity) { 2712 final int userId = UserHandle.getCallingUserId(); 2713 if (DEBUG_PREFERRED) { 2714 Log.v(TAG, "setLastChosenActivity intent=" + intent 2715 + " resolvedType=" + resolvedType 2716 + " flags=" + flags 2717 + " filter=" + filter 2718 + " match=" + match 2719 + " activity=" + activity); 2720 filter.dump(new PrintStreamPrinter(System.out), " "); 2721 } 2722 intent.setComponent(null); 2723 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2724 // Find any earlier preferred or last chosen entries and nuke them 2725 findPreferredActivity(intent, resolvedType, 2726 flags, query, 0, false, true, false, userId); 2727 // Add the new activity as the last chosen for this filter 2728 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2729 } 2730 2731 @Override 2732 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2733 final int userId = UserHandle.getCallingUserId(); 2734 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2735 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2736 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2737 false, false, false, userId); 2738 } 2739 2740 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2741 int flags, List<ResolveInfo> query, int userId) { 2742 if (query != null) { 2743 final int N = query.size(); 2744 if (N == 1) { 2745 return query.get(0); 2746 } else if (N > 1) { 2747 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2748 // If there is more than one activity with the same priority, 2749 // then let the user decide between them. 2750 ResolveInfo r0 = query.get(0); 2751 ResolveInfo r1 = query.get(1); 2752 if (DEBUG_INTENT_MATCHING || debug) { 2753 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2754 + r1.activityInfo.name + "=" + r1.priority); 2755 } 2756 // If the first activity has a higher priority, or a different 2757 // default, then it is always desireable to pick it. 2758 if (r0.priority != r1.priority 2759 || r0.preferredOrder != r1.preferredOrder 2760 || r0.isDefault != r1.isDefault) { 2761 return query.get(0); 2762 } 2763 // If we have saved a preference for a preferred activity for 2764 // this Intent, use that. 2765 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2766 flags, query, r0.priority, true, false, debug, userId); 2767 if (ri != null) { 2768 return ri; 2769 } 2770 if (userId != 0) { 2771 ri = new ResolveInfo(mResolveInfo); 2772 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2773 ri.activityInfo.applicationInfo = new ApplicationInfo( 2774 ri.activityInfo.applicationInfo); 2775 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2776 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2777 return ri; 2778 } 2779 return mResolveInfo; 2780 } 2781 } 2782 return null; 2783 } 2784 2785 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2786 List<ResolveInfo> query, int priority, boolean always, 2787 boolean removeMatches, boolean debug, int userId) { 2788 if (!sUserManager.exists(userId)) return null; 2789 // writer 2790 synchronized (mPackages) { 2791 if (intent.getSelector() != null) { 2792 intent = intent.getSelector(); 2793 } 2794 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2795 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2796 // Get the list of preferred activities that handle the intent 2797 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2798 List<PreferredActivity> prefs = pir != null 2799 ? pir.queryIntent(intent, resolvedType, 2800 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2801 : null; 2802 if (prefs != null && prefs.size() > 0) { 2803 // First figure out how good the original match set is. 2804 // We will only allow preferred activities that came 2805 // from the same match quality. 2806 int match = 0; 2807 2808 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2809 2810 final int N = query.size(); 2811 for (int j=0; j<N; j++) { 2812 final ResolveInfo ri = query.get(j); 2813 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2814 + ": 0x" + Integer.toHexString(match)); 2815 if (ri.match > match) { 2816 match = ri.match; 2817 } 2818 } 2819 2820 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2821 + Integer.toHexString(match)); 2822 2823 match &= IntentFilter.MATCH_CATEGORY_MASK; 2824 final int M = prefs.size(); 2825 for (int i=0; i<M; i++) { 2826 final PreferredActivity pa = prefs.get(i); 2827 if (DEBUG_PREFERRED || debug) { 2828 Slog.v(TAG, "Checking PreferredActivity ds=" 2829 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2830 + "\n component=" + pa.mPref.mComponent); 2831 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2832 } 2833 if (pa.mPref.mMatch != match) { 2834 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2835 + Integer.toHexString(pa.mPref.mMatch)); 2836 continue; 2837 } 2838 // If it's not an "always" type preferred activity and that's what we're 2839 // looking for, skip it. 2840 if (always && !pa.mPref.mAlways) { 2841 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2842 continue; 2843 } 2844 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2845 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2846 if (DEBUG_PREFERRED || debug) { 2847 Slog.v(TAG, "Found preferred activity:"); 2848 if (ai != null) { 2849 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2850 } else { 2851 Slog.v(TAG, " null"); 2852 } 2853 } 2854 if (ai == null) { 2855 // This previously registered preferred activity 2856 // component is no longer known. Most likely an update 2857 // to the app was installed and in the new version this 2858 // component no longer exists. Clean it up by removing 2859 // it from the preferred activities list, and skip it. 2860 Slog.w(TAG, "Removing dangling preferred activity: " 2861 + pa.mPref.mComponent); 2862 pir.removeFilter(pa); 2863 continue; 2864 } 2865 for (int j=0; j<N; j++) { 2866 final ResolveInfo ri = query.get(j); 2867 if (!ri.activityInfo.applicationInfo.packageName 2868 .equals(ai.applicationInfo.packageName)) { 2869 continue; 2870 } 2871 if (!ri.activityInfo.name.equals(ai.name)) { 2872 continue; 2873 } 2874 2875 if (removeMatches) { 2876 pir.removeFilter(pa); 2877 if (DEBUG_PREFERRED) { 2878 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2879 } 2880 break; 2881 } 2882 2883 // Okay we found a previously set preferred or last chosen app. 2884 // If the result set is different from when this 2885 // was created, we need to clear it and re-ask the 2886 // user their preference, if we're looking for an "always" type entry. 2887 if (always && !pa.mPref.sameSet(query, priority)) { 2888 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2889 + intent + " type " + resolvedType); 2890 if (DEBUG_PREFERRED) { 2891 Slog.v(TAG, "Removing preferred activity since set changed " 2892 + pa.mPref.mComponent); 2893 } 2894 pir.removeFilter(pa); 2895 // Re-add the filter as a "last chosen" entry (!always) 2896 PreferredActivity lastChosen = new PreferredActivity( 2897 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2898 pir.addFilter(lastChosen); 2899 mSettings.writePackageRestrictionsLPr(userId); 2900 return null; 2901 } 2902 2903 // Yay! Either the set matched or we're looking for the last chosen 2904 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2905 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2906 mSettings.writePackageRestrictionsLPr(userId); 2907 return ri; 2908 } 2909 } 2910 } 2911 mSettings.writePackageRestrictionsLPr(userId); 2912 } 2913 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2914 return null; 2915 } 2916 2917 @Override 2918 public List<ResolveInfo> queryIntentActivities(Intent intent, 2919 String resolvedType, int flags, int userId) { 2920 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2921 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2922 ComponentName comp = intent.getComponent(); 2923 if (comp == null) { 2924 if (intent.getSelector() != null) { 2925 intent = intent.getSelector(); 2926 comp = intent.getComponent(); 2927 } 2928 } 2929 2930 if (comp != null) { 2931 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2932 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2933 if (ai != null) { 2934 final ResolveInfo ri = new ResolveInfo(); 2935 ri.activityInfo = ai; 2936 list.add(ri); 2937 } 2938 return list; 2939 } 2940 2941 // reader 2942 synchronized (mPackages) { 2943 final String pkgName = intent.getPackage(); 2944 if (pkgName == null) { 2945 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2946 } 2947 final PackageParser.Package pkg = mPackages.get(pkgName); 2948 if (pkg != null) { 2949 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2950 pkg.activities, userId); 2951 } 2952 return new ArrayList<ResolveInfo>(); 2953 } 2954 } 2955 2956 @Override 2957 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2958 Intent[] specifics, String[] specificTypes, Intent intent, 2959 String resolvedType, int flags, int userId) { 2960 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2961 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 2962 "query intent activity options"); 2963 final String resultsAction = intent.getAction(); 2964 2965 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2966 | PackageManager.GET_RESOLVED_FILTER, userId); 2967 2968 if (DEBUG_INTENT_MATCHING) { 2969 Log.v(TAG, "Query " + intent + ": " + results); 2970 } 2971 2972 int specificsPos = 0; 2973 int N; 2974 2975 // todo: note that the algorithm used here is O(N^2). This 2976 // isn't a problem in our current environment, but if we start running 2977 // into situations where we have more than 5 or 10 matches then this 2978 // should probably be changed to something smarter... 2979 2980 // First we go through and resolve each of the specific items 2981 // that were supplied, taking care of removing any corresponding 2982 // duplicate items in the generic resolve list. 2983 if (specifics != null) { 2984 for (int i=0; i<specifics.length; i++) { 2985 final Intent sintent = specifics[i]; 2986 if (sintent == null) { 2987 continue; 2988 } 2989 2990 if (DEBUG_INTENT_MATCHING) { 2991 Log.v(TAG, "Specific #" + i + ": " + sintent); 2992 } 2993 2994 String action = sintent.getAction(); 2995 if (resultsAction != null && resultsAction.equals(action)) { 2996 // If this action was explicitly requested, then don't 2997 // remove things that have it. 2998 action = null; 2999 } 3000 3001 ResolveInfo ri = null; 3002 ActivityInfo ai = null; 3003 3004 ComponentName comp = sintent.getComponent(); 3005 if (comp == null) { 3006 ri = resolveIntent( 3007 sintent, 3008 specificTypes != null ? specificTypes[i] : null, 3009 flags, userId); 3010 if (ri == null) { 3011 continue; 3012 } 3013 if (ri == mResolveInfo) { 3014 // ACK! Must do something better with this. 3015 } 3016 ai = ri.activityInfo; 3017 comp = new ComponentName(ai.applicationInfo.packageName, 3018 ai.name); 3019 } else { 3020 ai = getActivityInfo(comp, flags, userId); 3021 if (ai == null) { 3022 continue; 3023 } 3024 } 3025 3026 // Look for any generic query activities that are duplicates 3027 // of this specific one, and remove them from the results. 3028 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3029 N = results.size(); 3030 int j; 3031 for (j=specificsPos; j<N; j++) { 3032 ResolveInfo sri = results.get(j); 3033 if ((sri.activityInfo.name.equals(comp.getClassName()) 3034 && sri.activityInfo.applicationInfo.packageName.equals( 3035 comp.getPackageName())) 3036 || (action != null && sri.filter.matchAction(action))) { 3037 results.remove(j); 3038 if (DEBUG_INTENT_MATCHING) Log.v( 3039 TAG, "Removing duplicate item from " + j 3040 + " due to specific " + specificsPos); 3041 if (ri == null) { 3042 ri = sri; 3043 } 3044 j--; 3045 N--; 3046 } 3047 } 3048 3049 // Add this specific item to its proper place. 3050 if (ri == null) { 3051 ri = new ResolveInfo(); 3052 ri.activityInfo = ai; 3053 } 3054 results.add(specificsPos, ri); 3055 ri.specificIndex = i; 3056 specificsPos++; 3057 } 3058 } 3059 3060 // Now we go through the remaining generic results and remove any 3061 // duplicate actions that are found here. 3062 N = results.size(); 3063 for (int i=specificsPos; i<N-1; i++) { 3064 final ResolveInfo rii = results.get(i); 3065 if (rii.filter == null) { 3066 continue; 3067 } 3068 3069 // Iterate over all of the actions of this result's intent 3070 // filter... typically this should be just one. 3071 final Iterator<String> it = rii.filter.actionsIterator(); 3072 if (it == null) { 3073 continue; 3074 } 3075 while (it.hasNext()) { 3076 final String action = it.next(); 3077 if (resultsAction != null && resultsAction.equals(action)) { 3078 // If this action was explicitly requested, then don't 3079 // remove things that have it. 3080 continue; 3081 } 3082 for (int j=i+1; j<N; j++) { 3083 final ResolveInfo rij = results.get(j); 3084 if (rij.filter != null && rij.filter.hasAction(action)) { 3085 results.remove(j); 3086 if (DEBUG_INTENT_MATCHING) Log.v( 3087 TAG, "Removing duplicate item from " + j 3088 + " due to action " + action + " at " + i); 3089 j--; 3090 N--; 3091 } 3092 } 3093 } 3094 3095 // If the caller didn't request filter information, drop it now 3096 // so we don't have to marshall/unmarshall it. 3097 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3098 rii.filter = null; 3099 } 3100 } 3101 3102 // Filter out the caller activity if so requested. 3103 if (caller != null) { 3104 N = results.size(); 3105 for (int i=0; i<N; i++) { 3106 ActivityInfo ainfo = results.get(i).activityInfo; 3107 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3108 && caller.getClassName().equals(ainfo.name)) { 3109 results.remove(i); 3110 break; 3111 } 3112 } 3113 } 3114 3115 // If the caller didn't request filter information, 3116 // drop them now so we don't have to 3117 // marshall/unmarshall it. 3118 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3119 N = results.size(); 3120 for (int i=0; i<N; i++) { 3121 results.get(i).filter = null; 3122 } 3123 } 3124 3125 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3126 return results; 3127 } 3128 3129 @Override 3130 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3131 int userId) { 3132 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3133 ComponentName comp = intent.getComponent(); 3134 if (comp == null) { 3135 if (intent.getSelector() != null) { 3136 intent = intent.getSelector(); 3137 comp = intent.getComponent(); 3138 } 3139 } 3140 if (comp != null) { 3141 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3142 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3143 if (ai != null) { 3144 ResolveInfo ri = new ResolveInfo(); 3145 ri.activityInfo = ai; 3146 list.add(ri); 3147 } 3148 return list; 3149 } 3150 3151 // reader 3152 synchronized (mPackages) { 3153 String pkgName = intent.getPackage(); 3154 if (pkgName == null) { 3155 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3156 } 3157 final PackageParser.Package pkg = mPackages.get(pkgName); 3158 if (pkg != null) { 3159 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3160 userId); 3161 } 3162 return null; 3163 } 3164 } 3165 3166 @Override 3167 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3168 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3169 if (!sUserManager.exists(userId)) return null; 3170 if (query != null) { 3171 if (query.size() >= 1) { 3172 // If there is more than one service with the same priority, 3173 // just arbitrarily pick the first one. 3174 return query.get(0); 3175 } 3176 } 3177 return null; 3178 } 3179 3180 @Override 3181 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3182 int userId) { 3183 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3184 ComponentName comp = intent.getComponent(); 3185 if (comp == null) { 3186 if (intent.getSelector() != null) { 3187 intent = intent.getSelector(); 3188 comp = intent.getComponent(); 3189 } 3190 } 3191 if (comp != null) { 3192 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3193 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3194 if (si != null) { 3195 final ResolveInfo ri = new ResolveInfo(); 3196 ri.serviceInfo = si; 3197 list.add(ri); 3198 } 3199 return list; 3200 } 3201 3202 // reader 3203 synchronized (mPackages) { 3204 String pkgName = intent.getPackage(); 3205 if (pkgName == null) { 3206 return mServices.queryIntent(intent, resolvedType, flags, userId); 3207 } 3208 final PackageParser.Package pkg = mPackages.get(pkgName); 3209 if (pkg != null) { 3210 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3211 userId); 3212 } 3213 return null; 3214 } 3215 } 3216 3217 @Override 3218 public List<ResolveInfo> queryIntentContentProviders( 3219 Intent intent, String resolvedType, int flags, int userId) { 3220 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3221 ComponentName comp = intent.getComponent(); 3222 if (comp == null) { 3223 if (intent.getSelector() != null) { 3224 intent = intent.getSelector(); 3225 comp = intent.getComponent(); 3226 } 3227 } 3228 if (comp != null) { 3229 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3230 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3231 if (pi != null) { 3232 final ResolveInfo ri = new ResolveInfo(); 3233 ri.providerInfo = pi; 3234 list.add(ri); 3235 } 3236 return list; 3237 } 3238 3239 // reader 3240 synchronized (mPackages) { 3241 String pkgName = intent.getPackage(); 3242 if (pkgName == null) { 3243 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3244 } 3245 final PackageParser.Package pkg = mPackages.get(pkgName); 3246 if (pkg != null) { 3247 return mProviders.queryIntentForPackage( 3248 intent, resolvedType, flags, pkg.providers, userId); 3249 } 3250 return null; 3251 } 3252 } 3253 3254 @Override 3255 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3256 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3257 3258 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3259 3260 // writer 3261 synchronized (mPackages) { 3262 ArrayList<PackageInfo> list; 3263 if (listUninstalled) { 3264 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3265 for (PackageSetting ps : mSettings.mPackages.values()) { 3266 PackageInfo pi; 3267 if (ps.pkg != null) { 3268 pi = generatePackageInfo(ps.pkg, flags, userId); 3269 } else { 3270 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3271 } 3272 if (pi != null) { 3273 list.add(pi); 3274 } 3275 } 3276 } else { 3277 list = new ArrayList<PackageInfo>(mPackages.size()); 3278 for (PackageParser.Package p : mPackages.values()) { 3279 PackageInfo pi = generatePackageInfo(p, flags, userId); 3280 if (pi != null) { 3281 list.add(pi); 3282 } 3283 } 3284 } 3285 3286 return new ParceledListSlice<PackageInfo>(list); 3287 } 3288 } 3289 3290 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3291 String[] permissions, boolean[] tmp, int flags, int userId) { 3292 int numMatch = 0; 3293 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3294 for (int i=0; i<permissions.length; i++) { 3295 if (gp.grantedPermissions.contains(permissions[i])) { 3296 tmp[i] = true; 3297 numMatch++; 3298 } else { 3299 tmp[i] = false; 3300 } 3301 } 3302 if (numMatch == 0) { 3303 return; 3304 } 3305 PackageInfo pi; 3306 if (ps.pkg != null) { 3307 pi = generatePackageInfo(ps.pkg, flags, userId); 3308 } else { 3309 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3310 } 3311 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3312 if (numMatch == permissions.length) { 3313 pi.requestedPermissions = permissions; 3314 } else { 3315 pi.requestedPermissions = new String[numMatch]; 3316 numMatch = 0; 3317 for (int i=0; i<permissions.length; i++) { 3318 if (tmp[i]) { 3319 pi.requestedPermissions[numMatch] = permissions[i]; 3320 numMatch++; 3321 } 3322 } 3323 } 3324 } 3325 list.add(pi); 3326 } 3327 3328 @Override 3329 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3330 String[] permissions, int flags, int userId) { 3331 if (!sUserManager.exists(userId)) return null; 3332 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3333 3334 // writer 3335 synchronized (mPackages) { 3336 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3337 boolean[] tmpBools = new boolean[permissions.length]; 3338 if (listUninstalled) { 3339 for (PackageSetting ps : mSettings.mPackages.values()) { 3340 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3341 } 3342 } else { 3343 for (PackageParser.Package pkg : mPackages.values()) { 3344 PackageSetting ps = (PackageSetting)pkg.mExtras; 3345 if (ps != null) { 3346 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3347 userId); 3348 } 3349 } 3350 } 3351 3352 return new ParceledListSlice<PackageInfo>(list); 3353 } 3354 } 3355 3356 @Override 3357 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3358 if (!sUserManager.exists(userId)) return null; 3359 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3360 3361 // writer 3362 synchronized (mPackages) { 3363 ArrayList<ApplicationInfo> list; 3364 if (listUninstalled) { 3365 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3366 for (PackageSetting ps : mSettings.mPackages.values()) { 3367 ApplicationInfo ai; 3368 if (ps.pkg != null) { 3369 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3370 ps.readUserState(userId), userId); 3371 } else { 3372 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3373 } 3374 if (ai != null) { 3375 list.add(ai); 3376 } 3377 } 3378 } else { 3379 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3380 for (PackageParser.Package p : mPackages.values()) { 3381 if (p.mExtras != null) { 3382 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3383 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3384 if (ai != null) { 3385 list.add(ai); 3386 } 3387 } 3388 } 3389 } 3390 3391 return new ParceledListSlice<ApplicationInfo>(list); 3392 } 3393 } 3394 3395 public List<ApplicationInfo> getPersistentApplications(int flags) { 3396 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3397 3398 // reader 3399 synchronized (mPackages) { 3400 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3401 final int userId = UserHandle.getCallingUserId(); 3402 while (i.hasNext()) { 3403 final PackageParser.Package p = i.next(); 3404 if (p.applicationInfo != null 3405 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3406 && (!mSafeMode || isSystemApp(p))) { 3407 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3408 if (ps != null) { 3409 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3410 ps.readUserState(userId), userId); 3411 if (ai != null) { 3412 finalList.add(ai); 3413 } 3414 } 3415 } 3416 } 3417 } 3418 3419 return finalList; 3420 } 3421 3422 @Override 3423 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3424 if (!sUserManager.exists(userId)) return null; 3425 // reader 3426 synchronized (mPackages) { 3427 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3428 PackageSetting ps = provider != null 3429 ? mSettings.mPackages.get(provider.owner.packageName) 3430 : null; 3431 return ps != null 3432 && mSettings.isEnabledLPr(provider.info, flags, userId) 3433 && (!mSafeMode || (provider.info.applicationInfo.flags 3434 &ApplicationInfo.FLAG_SYSTEM) != 0) 3435 ? PackageParser.generateProviderInfo(provider, flags, 3436 ps.readUserState(userId), userId) 3437 : null; 3438 } 3439 } 3440 3441 /** 3442 * @deprecated 3443 */ 3444 @Deprecated 3445 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3446 // reader 3447 synchronized (mPackages) { 3448 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3449 .entrySet().iterator(); 3450 final int userId = UserHandle.getCallingUserId(); 3451 while (i.hasNext()) { 3452 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3453 PackageParser.Provider p = entry.getValue(); 3454 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3455 3456 if (ps != null && p.syncable 3457 && (!mSafeMode || (p.info.applicationInfo.flags 3458 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3459 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3460 ps.readUserState(userId), userId); 3461 if (info != null) { 3462 outNames.add(entry.getKey()); 3463 outInfo.add(info); 3464 } 3465 } 3466 } 3467 } 3468 } 3469 3470 public List<ProviderInfo> queryContentProviders(String processName, 3471 int uid, int flags) { 3472 ArrayList<ProviderInfo> finalList = null; 3473 // reader 3474 synchronized (mPackages) { 3475 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3476 final int userId = processName != null ? 3477 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3478 while (i.hasNext()) { 3479 final PackageParser.Provider p = i.next(); 3480 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3481 if (ps != null && p.info.authority != null 3482 && (processName == null 3483 || (p.info.processName.equals(processName) 3484 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3485 && mSettings.isEnabledLPr(p.info, flags, userId) 3486 && (!mSafeMode 3487 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3488 if (finalList == null) { 3489 finalList = new ArrayList<ProviderInfo>(3); 3490 } 3491 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3492 ps.readUserState(userId), userId); 3493 if (info != null) { 3494 finalList.add(info); 3495 } 3496 } 3497 } 3498 } 3499 3500 if (finalList != null) { 3501 Collections.sort(finalList, mProviderInitOrderSorter); 3502 } 3503 3504 return finalList; 3505 } 3506 3507 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3508 int flags) { 3509 // reader 3510 synchronized (mPackages) { 3511 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3512 return PackageParser.generateInstrumentationInfo(i, flags); 3513 } 3514 } 3515 3516 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3517 int flags) { 3518 ArrayList<InstrumentationInfo> finalList = 3519 new ArrayList<InstrumentationInfo>(); 3520 3521 // reader 3522 synchronized (mPackages) { 3523 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3524 while (i.hasNext()) { 3525 final PackageParser.Instrumentation p = i.next(); 3526 if (targetPackage == null 3527 || targetPackage.equals(p.info.targetPackage)) { 3528 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3529 flags); 3530 if (ii != null) { 3531 finalList.add(ii); 3532 } 3533 } 3534 } 3535 } 3536 3537 return finalList; 3538 } 3539 3540 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3541 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3542 if (overlays == null) { 3543 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3544 return; 3545 } 3546 for (PackageParser.Package opkg : overlays.values()) { 3547 // Not much to do if idmap fails: we already logged the error 3548 // and we certainly don't want to abort installation of pkg simply 3549 // because an overlay didn't fit properly. For these reasons, 3550 // ignore the return value of createIdmapForPackagePairLI. 3551 createIdmapForPackagePairLI(pkg, opkg); 3552 } 3553 } 3554 3555 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3556 PackageParser.Package opkg) { 3557 if (!opkg.mTrustedOverlay) { 3558 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3559 opkg.mScanPath + ": overlay not trusted"); 3560 return false; 3561 } 3562 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3563 if (overlaySet == null) { 3564 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3565 opkg.mScanPath + " but target package has no known overlays"); 3566 return false; 3567 } 3568 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3569 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3570 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3571 return false; 3572 } 3573 PackageParser.Package[] overlayArray = 3574 overlaySet.values().toArray(new PackageParser.Package[0]); 3575 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3576 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3577 return p1.mOverlayPriority - p2.mOverlayPriority; 3578 } 3579 }; 3580 Arrays.sort(overlayArray, cmp); 3581 3582 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3583 int i = 0; 3584 for (PackageParser.Package p : overlayArray) { 3585 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3586 } 3587 return true; 3588 } 3589 3590 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3591 String[] files = dir.list(); 3592 if (files == null) { 3593 Log.d(TAG, "No files in app dir " + dir); 3594 return; 3595 } 3596 3597 if (DEBUG_PACKAGE_SCANNING) { 3598 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3599 + " flags=0x" + Integer.toHexString(flags)); 3600 } 3601 3602 int i; 3603 for (i=0; i<files.length; i++) { 3604 File file = new File(dir, files[i]); 3605 if (!isPackageFilename(files[i])) { 3606 // Ignore entries which are not apk's 3607 continue; 3608 } 3609 PackageParser.Package pkg = scanPackageLI(file, 3610 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3611 // Don't mess around with apps in system partition. 3612 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3613 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3614 // Delete the apk 3615 Slog.w(TAG, "Cleaning up failed install of " + file); 3616 file.delete(); 3617 } 3618 } 3619 } 3620 3621 private static File getSettingsProblemFile() { 3622 File dataDir = Environment.getDataDirectory(); 3623 File systemDir = new File(dataDir, "system"); 3624 File fname = new File(systemDir, "uiderrors.txt"); 3625 return fname; 3626 } 3627 3628 static void reportSettingsProblem(int priority, String msg) { 3629 try { 3630 File fname = getSettingsProblemFile(); 3631 FileOutputStream out = new FileOutputStream(fname, true); 3632 PrintWriter pw = new FastPrintWriter(out); 3633 SimpleDateFormat formatter = new SimpleDateFormat(); 3634 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3635 pw.println(dateString + ": " + msg); 3636 pw.close(); 3637 FileUtils.setPermissions( 3638 fname.toString(), 3639 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3640 -1, -1); 3641 } catch (java.io.IOException e) { 3642 } 3643 Slog.println(priority, TAG, msg); 3644 } 3645 3646 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3647 PackageParser.Package pkg, File srcFile, int parseFlags) { 3648 if (GET_CERTIFICATES) { 3649 if (ps != null 3650 && ps.codePath.equals(srcFile) 3651 && ps.timeStamp == srcFile.lastModified()) { 3652 if (ps.signatures.mSignatures != null 3653 && ps.signatures.mSignatures.length != 0) { 3654 // Optimization: reuse the existing cached certificates 3655 // if the package appears to be unchanged. 3656 pkg.mSignatures = ps.signatures.mSignatures; 3657 return true; 3658 } 3659 3660 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3661 } else { 3662 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3663 } 3664 3665 if (!pp.collectCertificates(pkg, parseFlags)) { 3666 mLastScanError = pp.getParseError(); 3667 return false; 3668 } 3669 } 3670 return true; 3671 } 3672 3673 /* 3674 * Scan a package and return the newly parsed package. 3675 * Returns null in case of errors and the error code is stored in mLastScanError 3676 */ 3677 private PackageParser.Package scanPackageLI(File scanFile, 3678 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3679 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3680 String scanPath = scanFile.getPath(); 3681 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3682 parseFlags |= mDefParseFlags; 3683 PackageParser pp = new PackageParser(scanPath); 3684 pp.setSeparateProcesses(mSeparateProcesses); 3685 pp.setOnlyCoreApps(mOnlyCore); 3686 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3687 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3688 3689 if (pkg == null) { 3690 mLastScanError = pp.getParseError(); 3691 return null; 3692 } 3693 3694 PackageSetting ps = null; 3695 PackageSetting updatedPkg; 3696 // reader 3697 synchronized (mPackages) { 3698 // Look to see if we already know about this package. 3699 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3700 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3701 // This package has been renamed to its original name. Let's 3702 // use that. 3703 ps = mSettings.peekPackageLPr(oldName); 3704 } 3705 // If there was no original package, see one for the real package name. 3706 if (ps == null) { 3707 ps = mSettings.peekPackageLPr(pkg.packageName); 3708 } 3709 // Check to see if this package could be hiding/updating a system 3710 // package. Must look for it either under the original or real 3711 // package name depending on our state. 3712 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3713 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3714 } 3715 boolean updatedPkgBetter = false; 3716 // First check if this is a system package that may involve an update 3717 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3718 if (ps != null && !ps.codePath.equals(scanFile)) { 3719 // The path has changed from what was last scanned... check the 3720 // version of the new path against what we have stored to determine 3721 // what to do. 3722 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3723 if (pkg.mVersionCode < ps.versionCode) { 3724 // The system package has been updated and the code path does not match 3725 // Ignore entry. Skip it. 3726 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3727 + " ignored: updated version " + ps.versionCode 3728 + " better than this " + pkg.mVersionCode); 3729 if (!updatedPkg.codePath.equals(scanFile)) { 3730 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3731 + ps.name + " changing from " + updatedPkg.codePathString 3732 + " to " + scanFile); 3733 updatedPkg.codePath = scanFile; 3734 updatedPkg.codePathString = scanFile.toString(); 3735 // This is the point at which we know that the system-disk APK 3736 // for this package has moved during a reboot (e.g. due to an OTA), 3737 // so we need to reevaluate it for privilege policy. 3738 if (locationIsPrivileged(scanFile)) { 3739 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3740 } 3741 } 3742 updatedPkg.pkg = pkg; 3743 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3744 return null; 3745 } else { 3746 // The current app on the system partion is better than 3747 // what we have updated to on the data partition; switch 3748 // back to the system partition version. 3749 // At this point, its safely assumed that package installation for 3750 // apps in system partition will go through. If not there won't be a working 3751 // version of the app 3752 // writer 3753 synchronized (mPackages) { 3754 // Just remove the loaded entries from package lists. 3755 mPackages.remove(ps.name); 3756 } 3757 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3758 + "reverting from " + ps.codePathString 3759 + ": new version " + pkg.mVersionCode 3760 + " better than installed " + ps.versionCode); 3761 3762 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3763 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3764 synchronized (mInstallLock) { 3765 args.cleanUpResourcesLI(); 3766 } 3767 synchronized (mPackages) { 3768 mSettings.enableSystemPackageLPw(ps.name); 3769 } 3770 updatedPkgBetter = true; 3771 } 3772 } 3773 } 3774 3775 if (updatedPkg != null) { 3776 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3777 // initially 3778 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3779 3780 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3781 // flag set initially 3782 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3783 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3784 } 3785 } 3786 // Verify certificates against what was last scanned 3787 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3788 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3789 return null; 3790 } 3791 3792 /* 3793 * A new system app appeared, but we already had a non-system one of the 3794 * same name installed earlier. 3795 */ 3796 boolean shouldHideSystemApp = false; 3797 if (updatedPkg == null && ps != null 3798 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3799 /* 3800 * Check to make sure the signatures match first. If they don't, 3801 * wipe the installed application and its data. 3802 */ 3803 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3804 != PackageManager.SIGNATURE_MATCH) { 3805 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3806 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3807 ps = null; 3808 } else { 3809 /* 3810 * If the newly-added system app is an older version than the 3811 * already installed version, hide it. It will be scanned later 3812 * and re-added like an update. 3813 */ 3814 if (pkg.mVersionCode < ps.versionCode) { 3815 shouldHideSystemApp = true; 3816 } else { 3817 /* 3818 * The newly found system app is a newer version that the 3819 * one previously installed. Simply remove the 3820 * already-installed application and replace it with our own 3821 * while keeping the application data. 3822 */ 3823 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3824 + ps.codePathString + ": new version " + pkg.mVersionCode 3825 + " better than installed " + ps.versionCode); 3826 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3827 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3828 synchronized (mInstallLock) { 3829 args.cleanUpResourcesLI(); 3830 } 3831 } 3832 } 3833 } 3834 3835 // The apk is forward locked (not public) if its code and resources 3836 // are kept in different files. (except for app in either system or 3837 // vendor path). 3838 // TODO grab this value from PackageSettings 3839 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3840 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3841 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3842 } 3843 } 3844 3845 String codePath = null; 3846 String resPath = null; 3847 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 3848 if (ps != null && ps.resourcePathString != null) { 3849 resPath = ps.resourcePathString; 3850 } else { 3851 // Should not happen at all. Just log an error. 3852 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3853 } 3854 } else { 3855 resPath = pkg.mScanPath; 3856 } 3857 3858 codePath = pkg.mScanPath; 3859 // Set application objects path explicitly. 3860 setApplicationInfoPaths(pkg, codePath, resPath); 3861 // Applications can run with the primary Cpu Abi unless otherwise is specified 3862 pkg.applicationInfo.requiredCpuAbi = null; 3863 // Note that we invoke the following method only if we are about to unpack an application 3864 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3865 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3866 3867 /* 3868 * If the system app should be overridden by a previously installed 3869 * data, hide the system app now and let the /data/app scan pick it up 3870 * again. 3871 */ 3872 if (shouldHideSystemApp) { 3873 synchronized (mPackages) { 3874 /* 3875 * We have to grant systems permissions before we hide, because 3876 * grantPermissions will assume the package update is trying to 3877 * expand its permissions. 3878 */ 3879 grantPermissionsLPw(pkg, true); 3880 mSettings.disableSystemPackageLPw(pkg.packageName); 3881 } 3882 } 3883 3884 return scannedPkg; 3885 } 3886 3887 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3888 String destResPath) { 3889 pkg.mPath = pkg.mScanPath = destCodePath; 3890 pkg.applicationInfo.sourceDir = destCodePath; 3891 pkg.applicationInfo.publicSourceDir = destResPath; 3892 } 3893 3894 private static String fixProcessName(String defProcessName, 3895 String processName, int uid) { 3896 if (processName == null) { 3897 return defProcessName; 3898 } 3899 return processName; 3900 } 3901 3902 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3903 PackageParser.Package pkg) { 3904 if (pkgSetting.signatures.mSignatures != null) { 3905 // Already existing package. Make sure signatures match 3906 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3907 PackageManager.SIGNATURE_MATCH) { 3908 Slog.e(TAG, "Package " + pkg.packageName 3909 + " signatures do not match the previously installed version; ignoring!"); 3910 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3911 return false; 3912 } 3913 } 3914 // Check for shared user signatures 3915 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3916 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3917 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3918 Slog.e(TAG, "Package " + pkg.packageName 3919 + " has no signatures that match those in shared user " 3920 + pkgSetting.sharedUser.name + "; ignoring!"); 3921 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3922 return false; 3923 } 3924 } 3925 return true; 3926 } 3927 3928 /** 3929 * Enforces that only the system UID or root's UID can call a method exposed 3930 * via Binder. 3931 * 3932 * @param message used as message if SecurityException is thrown 3933 * @throws SecurityException if the caller is not system or root 3934 */ 3935 private static final void enforceSystemOrRoot(String message) { 3936 final int uid = Binder.getCallingUid(); 3937 if (uid != Process.SYSTEM_UID && uid != 0) { 3938 throw new SecurityException(message); 3939 } 3940 } 3941 3942 public void performBootDexOpt() { 3943 HashSet<PackageParser.Package> pkgs = null; 3944 synchronized (mPackages) { 3945 pkgs = mDeferredDexOpt; 3946 mDeferredDexOpt = null; 3947 } 3948 if (pkgs != null) { 3949 int i = 0; 3950 for (PackageParser.Package pkg : pkgs) { 3951 if (!isFirstBoot()) { 3952 i++; 3953 try { 3954 ActivityManagerNative.getDefault().showBootMessage( 3955 mContext.getResources().getString( 3956 com.android.internal.R.string.android_upgrading_apk, 3957 i, pkgs.size()), true); 3958 } catch (RemoteException e) { 3959 } 3960 } 3961 PackageParser.Package p = pkg; 3962 synchronized (mInstallLock) { 3963 if (!p.mDidDexOpt) { 3964 performDexOptLI(p, false, false, true); 3965 } 3966 } 3967 } 3968 } 3969 } 3970 3971 public boolean performDexOpt(String packageName) { 3972 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3973 3974 if (!mNoDexOpt) { 3975 return false; 3976 } 3977 3978 PackageParser.Package p; 3979 synchronized (mPackages) { 3980 p = mPackages.get(packageName); 3981 if (p == null || p.mDidDexOpt) { 3982 return false; 3983 } 3984 } 3985 synchronized (mInstallLock) { 3986 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 3987 } 3988 } 3989 3990 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 3991 HashSet<String> done) { 3992 for (int i=0; i<libs.size(); i++) { 3993 PackageParser.Package libPkg; 3994 String libName; 3995 synchronized (mPackages) { 3996 libName = libs.get(i); 3997 SharedLibraryEntry lib = mSharedLibraries.get(libName); 3998 if (lib != null && lib.apk != null) { 3999 libPkg = mPackages.get(lib.apk); 4000 } else { 4001 libPkg = null; 4002 } 4003 } 4004 if (libPkg != null && !done.contains(libName)) { 4005 performDexOptLI(libPkg, forceDex, defer, done); 4006 } 4007 } 4008 } 4009 4010 static final int DEX_OPT_SKIPPED = 0; 4011 static final int DEX_OPT_PERFORMED = 1; 4012 static final int DEX_OPT_DEFERRED = 2; 4013 static final int DEX_OPT_FAILED = -1; 4014 4015 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4016 HashSet<String> done) { 4017 boolean performed = false; 4018 if (done != null) { 4019 done.add(pkg.packageName); 4020 if (pkg.usesLibraries != null) { 4021 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4022 } 4023 if (pkg.usesOptionalLibraries != null) { 4024 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4025 } 4026 } 4027 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4028 String path = pkg.mScanPath; 4029 int ret = 0; 4030 try { 4031 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, pkg.packageName, 4032 defer)) { 4033 if (!forceDex && defer) { 4034 if (mDeferredDexOpt == null) { 4035 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4036 } 4037 mDeferredDexOpt.add(pkg); 4038 return DEX_OPT_DEFERRED; 4039 } else { 4040 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4041 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4042 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4043 pkg.packageName); 4044 pkg.mDidDexOpt = true; 4045 performed = true; 4046 } 4047 } 4048 } catch (FileNotFoundException e) { 4049 Slog.w(TAG, "Apk not found for dexopt: " + path); 4050 ret = -1; 4051 } catch (IOException e) { 4052 Slog.w(TAG, "IOException reading apk: " + path, e); 4053 ret = -1; 4054 } catch (dalvik.system.StaleDexCacheError e) { 4055 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4056 ret = -1; 4057 } catch (Exception e) { 4058 Slog.w(TAG, "Exception when doing dexopt : ", e); 4059 ret = -1; 4060 } 4061 if (ret < 0) { 4062 //error from installer 4063 return DEX_OPT_FAILED; 4064 } 4065 } 4066 4067 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4068 } 4069 4070 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4071 boolean inclDependencies) { 4072 HashSet<String> done; 4073 boolean performed = false; 4074 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4075 done = new HashSet<String>(); 4076 done.add(pkg.packageName); 4077 } else { 4078 done = null; 4079 } 4080 return performDexOptLI(pkg, forceDex, defer, done); 4081 } 4082 4083 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4084 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4085 Slog.w(TAG, "Unable to update from " + oldPkg.name 4086 + " to " + newPkg.packageName 4087 + ": old package not in system partition"); 4088 return false; 4089 } else if (mPackages.get(oldPkg.name) != null) { 4090 Slog.w(TAG, "Unable to update from " + oldPkg.name 4091 + " to " + newPkg.packageName 4092 + ": old package still exists"); 4093 return false; 4094 } 4095 return true; 4096 } 4097 4098 File getDataPathForUser(int userId) { 4099 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4100 } 4101 4102 private File getDataPathForPackage(String packageName, int userId) { 4103 /* 4104 * Until we fully support multiple users, return the directory we 4105 * previously would have. The PackageManagerTests will need to be 4106 * revised when this is changed back.. 4107 */ 4108 if (userId == 0) { 4109 return new File(mAppDataDir, packageName); 4110 } else { 4111 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4112 + File.separator + packageName); 4113 } 4114 } 4115 4116 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4117 int[] users = sUserManager.getUserIds(); 4118 int res = mInstaller.install(packageName, uid, uid, seinfo); 4119 if (res < 0) { 4120 return res; 4121 } 4122 for (int user : users) { 4123 if (user != 0) { 4124 res = mInstaller.createUserData(packageName, 4125 UserHandle.getUid(user, uid), user, seinfo); 4126 if (res < 0) { 4127 return res; 4128 } 4129 } 4130 } 4131 return res; 4132 } 4133 4134 private int removeDataDirsLI(String packageName) { 4135 int[] users = sUserManager.getUserIds(); 4136 int res = 0; 4137 for (int user : users) { 4138 int resInner = mInstaller.remove(packageName, user); 4139 if (resInner < 0) { 4140 res = resInner; 4141 } 4142 } 4143 4144 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4145 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4146 if (!nativeLibraryFile.delete()) { 4147 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4148 } 4149 4150 return res; 4151 } 4152 4153 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4154 PackageParser.Package changingLib) { 4155 if (file.path != null) { 4156 mTmpSharedLibraries[num] = file.path; 4157 return num+1; 4158 } 4159 PackageParser.Package p = mPackages.get(file.apk); 4160 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4161 // If we are doing this while in the middle of updating a library apk, 4162 // then we need to make sure to use that new apk for determining the 4163 // dependencies here. (We haven't yet finished committing the new apk 4164 // to the package manager state.) 4165 if (p == null || p.packageName.equals(changingLib.packageName)) { 4166 p = changingLib; 4167 } 4168 } 4169 if (p != null) { 4170 String path = p.mPath; 4171 for (int i=0; i<num; i++) { 4172 if (mTmpSharedLibraries[i].equals(path)) { 4173 return num; 4174 } 4175 } 4176 mTmpSharedLibraries[num] = p.mPath; 4177 return num+1; 4178 } 4179 return num; 4180 } 4181 4182 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4183 PackageParser.Package changingLib) { 4184 // We might be upgrading from a version of the platform that did not 4185 // provide per-package native library directories for system apps. 4186 // Fix that up here. 4187 if (isSystemApp(pkg)) { 4188 PackageSetting ps = mSettings.mPackages.get(pkg.applicationInfo.packageName); 4189 setInternalAppNativeLibraryPath(pkg, ps); 4190 } 4191 4192 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4193 if (mTmpSharedLibraries == null || 4194 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4195 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4196 } 4197 int num = 0; 4198 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4199 for (int i=0; i<N; i++) { 4200 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4201 if (file == null) { 4202 Slog.e(TAG, "Package " + pkg.packageName 4203 + " requires unavailable shared library " 4204 + pkg.usesLibraries.get(i) + "; failing!"); 4205 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4206 return false; 4207 } 4208 num = addSharedLibraryLPw(file, num, changingLib); 4209 } 4210 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4211 for (int i=0; i<N; i++) { 4212 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4213 if (file == null) { 4214 Slog.w(TAG, "Package " + pkg.packageName 4215 + " desires unavailable shared library " 4216 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4217 } else { 4218 num = addSharedLibraryLPw(file, num, changingLib); 4219 } 4220 } 4221 if (num > 0) { 4222 pkg.usesLibraryFiles = new String[num]; 4223 System.arraycopy(mTmpSharedLibraries, 0, 4224 pkg.usesLibraryFiles, 0, num); 4225 } else { 4226 pkg.usesLibraryFiles = null; 4227 } 4228 } 4229 return true; 4230 } 4231 4232 private static boolean hasString(List<String> list, List<String> which) { 4233 if (list == null) { 4234 return false; 4235 } 4236 for (int i=list.size()-1; i>=0; i--) { 4237 for (int j=which.size()-1; j>=0; j--) { 4238 if (which.get(j).equals(list.get(i))) { 4239 return true; 4240 } 4241 } 4242 } 4243 return false; 4244 } 4245 4246 private void updateAllSharedLibrariesLPw() { 4247 for (PackageParser.Package pkg : mPackages.values()) { 4248 updateSharedLibrariesLPw(pkg, null); 4249 } 4250 } 4251 4252 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4253 PackageParser.Package changingPkg) { 4254 ArrayList<PackageParser.Package> res = null; 4255 for (PackageParser.Package pkg : mPackages.values()) { 4256 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4257 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4258 if (res == null) { 4259 res = new ArrayList<PackageParser.Package>(); 4260 } 4261 res.add(pkg); 4262 updateSharedLibrariesLPw(pkg, changingPkg); 4263 } 4264 } 4265 return res; 4266 } 4267 4268 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4269 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4270 File scanFile = new File(pkg.mScanPath); 4271 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4272 pkg.applicationInfo.publicSourceDir == null) { 4273 // Bail out. The resource and code paths haven't been set. 4274 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4275 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4276 return null; 4277 } 4278 4279 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4280 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4281 } 4282 4283 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4284 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4285 } 4286 4287 if (mCustomResolverComponentName != null && 4288 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4289 setUpCustomResolverActivity(pkg); 4290 } 4291 4292 if (pkg.packageName.equals("android")) { 4293 synchronized (mPackages) { 4294 if (mAndroidApplication != null) { 4295 Slog.w(TAG, "*************************************************"); 4296 Slog.w(TAG, "Core android package being redefined. Skipping."); 4297 Slog.w(TAG, " file=" + scanFile); 4298 Slog.w(TAG, "*************************************************"); 4299 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4300 return null; 4301 } 4302 4303 // Set up information for our fall-back user intent resolution activity. 4304 mPlatformPackage = pkg; 4305 pkg.mVersionCode = mSdkVersion; 4306 mAndroidApplication = pkg.applicationInfo; 4307 4308 if (!mResolverReplaced) { 4309 mResolveActivity.applicationInfo = mAndroidApplication; 4310 mResolveActivity.name = ResolverActivity.class.getName(); 4311 mResolveActivity.packageName = mAndroidApplication.packageName; 4312 mResolveActivity.processName = "system:ui"; 4313 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4314 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4315 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4316 mResolveActivity.exported = true; 4317 mResolveActivity.enabled = true; 4318 mResolveInfo.activityInfo = mResolveActivity; 4319 mResolveInfo.priority = 0; 4320 mResolveInfo.preferredOrder = 0; 4321 mResolveInfo.match = 0; 4322 mResolveComponentName = new ComponentName( 4323 mAndroidApplication.packageName, mResolveActivity.name); 4324 } 4325 } 4326 } 4327 4328 if (DEBUG_PACKAGE_SCANNING) { 4329 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4330 Log.d(TAG, "Scanning package " + pkg.packageName); 4331 } 4332 4333 if (mPackages.containsKey(pkg.packageName) 4334 || mSharedLibraries.containsKey(pkg.packageName)) { 4335 Slog.w(TAG, "Application package " + pkg.packageName 4336 + " already installed. Skipping duplicate."); 4337 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4338 return null; 4339 } 4340 4341 // Initialize package source and resource directories 4342 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4343 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4344 4345 SharedUserSetting suid = null; 4346 PackageSetting pkgSetting = null; 4347 4348 if (!isSystemApp(pkg)) { 4349 // Only system apps can use these features. 4350 pkg.mOriginalPackages = null; 4351 pkg.mRealPackage = null; 4352 pkg.mAdoptPermissions = null; 4353 } 4354 4355 // writer 4356 synchronized (mPackages) { 4357 if (pkg.mSharedUserId != null) { 4358 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4359 if (suid == null) { 4360 Slog.w(TAG, "Creating application package " + pkg.packageName 4361 + " for shared user failed"); 4362 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4363 return null; 4364 } 4365 if (DEBUG_PACKAGE_SCANNING) { 4366 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4367 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4368 + "): packages=" + suid.packages); 4369 } 4370 } 4371 4372 // Check if we are renaming from an original package name. 4373 PackageSetting origPackage = null; 4374 String realName = null; 4375 if (pkg.mOriginalPackages != null) { 4376 // This package may need to be renamed to a previously 4377 // installed name. Let's check on that... 4378 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4379 if (pkg.mOriginalPackages.contains(renamed)) { 4380 // This package had originally been installed as the 4381 // original name, and we have already taken care of 4382 // transitioning to the new one. Just update the new 4383 // one to continue using the old name. 4384 realName = pkg.mRealPackage; 4385 if (!pkg.packageName.equals(renamed)) { 4386 // Callers into this function may have already taken 4387 // care of renaming the package; only do it here if 4388 // it is not already done. 4389 pkg.setPackageName(renamed); 4390 } 4391 4392 } else { 4393 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4394 if ((origPackage = mSettings.peekPackageLPr( 4395 pkg.mOriginalPackages.get(i))) != null) { 4396 // We do have the package already installed under its 4397 // original name... should we use it? 4398 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4399 // New package is not compatible with original. 4400 origPackage = null; 4401 continue; 4402 } else if (origPackage.sharedUser != null) { 4403 // Make sure uid is compatible between packages. 4404 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4405 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4406 + " to " + pkg.packageName + ": old uid " 4407 + origPackage.sharedUser.name 4408 + " differs from " + pkg.mSharedUserId); 4409 origPackage = null; 4410 continue; 4411 } 4412 } else { 4413 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4414 + pkg.packageName + " to old name " + origPackage.name); 4415 } 4416 break; 4417 } 4418 } 4419 } 4420 } 4421 4422 if (mTransferedPackages.contains(pkg.packageName)) { 4423 Slog.w(TAG, "Package " + pkg.packageName 4424 + " was transferred to another, but its .apk remains"); 4425 } 4426 4427 // Just create the setting, don't add it yet. For already existing packages 4428 // the PkgSetting exists already and doesn't have to be created. 4429 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4430 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4431 pkg.applicationInfo.requiredCpuAbi, 4432 pkg.applicationInfo.flags, user, false); 4433 if (pkgSetting == null) { 4434 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4435 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4436 return null; 4437 } 4438 4439 if (pkgSetting.origPackage != null) { 4440 // If we are first transitioning from an original package, 4441 // fix up the new package's name now. We need to do this after 4442 // looking up the package under its new name, so getPackageLP 4443 // can take care of fiddling things correctly. 4444 pkg.setPackageName(origPackage.name); 4445 4446 // File a report about this. 4447 String msg = "New package " + pkgSetting.realName 4448 + " renamed to replace old package " + pkgSetting.name; 4449 reportSettingsProblem(Log.WARN, msg); 4450 4451 // Make a note of it. 4452 mTransferedPackages.add(origPackage.name); 4453 4454 // No longer need to retain this. 4455 pkgSetting.origPackage = null; 4456 } 4457 4458 if (realName != null) { 4459 // Make a note of it. 4460 mTransferedPackages.add(pkg.packageName); 4461 } 4462 4463 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4464 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4465 } 4466 4467 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4468 // Check all shared libraries and map to their actual file path. 4469 // We only do this here for apps not on a system dir, because those 4470 // are the only ones that can fail an install due to this. We 4471 // will take care of the system apps by updating all of their 4472 // library paths after the scan is done. 4473 if (!updateSharedLibrariesLPw(pkg, null)) { 4474 return null; 4475 } 4476 } 4477 4478 if (mFoundPolicyFile) { 4479 SELinuxMMAC.assignSeinfoValue(pkg); 4480 } 4481 4482 pkg.applicationInfo.uid = pkgSetting.appId; 4483 pkg.mExtras = pkgSetting; 4484 4485 if (!verifySignaturesLP(pkgSetting, pkg)) { 4486 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4487 return null; 4488 } 4489 // The signature has changed, but this package is in the system 4490 // image... let's recover! 4491 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4492 // However... if this package is part of a shared user, but it 4493 // doesn't match the signature of the shared user, let's fail. 4494 // What this means is that you can't change the signatures 4495 // associated with an overall shared user, which doesn't seem all 4496 // that unreasonable. 4497 if (pkgSetting.sharedUser != null) { 4498 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4499 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4500 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4501 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4502 return null; 4503 } 4504 } 4505 // File a report about this. 4506 String msg = "System package " + pkg.packageName 4507 + " signature changed; retaining data."; 4508 reportSettingsProblem(Log.WARN, msg); 4509 } 4510 4511 // Verify that this new package doesn't have any content providers 4512 // that conflict with existing packages. Only do this if the 4513 // package isn't already installed, since we don't want to break 4514 // things that are installed. 4515 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4516 final int N = pkg.providers.size(); 4517 int i; 4518 for (i=0; i<N; i++) { 4519 PackageParser.Provider p = pkg.providers.get(i); 4520 if (p.info.authority != null) { 4521 String names[] = p.info.authority.split(";"); 4522 for (int j = 0; j < names.length; j++) { 4523 if (mProvidersByAuthority.containsKey(names[j])) { 4524 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4525 Slog.w(TAG, "Can't install because provider name " + names[j] + 4526 " (in package " + pkg.applicationInfo.packageName + 4527 ") is already used by " 4528 + ((other != null && other.getComponentName() != null) 4529 ? other.getComponentName().getPackageName() : "?")); 4530 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4531 return null; 4532 } 4533 } 4534 } 4535 } 4536 } 4537 4538 if (pkg.mAdoptPermissions != null) { 4539 // This package wants to adopt ownership of permissions from 4540 // another package. 4541 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4542 final String origName = pkg.mAdoptPermissions.get(i); 4543 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4544 if (orig != null) { 4545 if (verifyPackageUpdateLPr(orig, pkg)) { 4546 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4547 + pkg.packageName); 4548 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4549 } 4550 } 4551 } 4552 } 4553 } 4554 4555 final String pkgName = pkg.packageName; 4556 4557 final long scanFileTime = scanFile.lastModified(); 4558 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4559 pkg.applicationInfo.processName = fixProcessName( 4560 pkg.applicationInfo.packageName, 4561 pkg.applicationInfo.processName, 4562 pkg.applicationInfo.uid); 4563 4564 File dataPath; 4565 if (mPlatformPackage == pkg) { 4566 // The system package is special. 4567 dataPath = new File (Environment.getDataDirectory(), "system"); 4568 pkg.applicationInfo.dataDir = dataPath.getPath(); 4569 } else { 4570 // This is a normal package, need to make its data directory. 4571 dataPath = getDataPathForPackage(pkg.packageName, 0); 4572 4573 boolean uidError = false; 4574 4575 if (dataPath.exists()) { 4576 int currentUid = 0; 4577 try { 4578 StructStat stat = Os.stat(dataPath.getPath()); 4579 currentUid = stat.st_uid; 4580 } catch (ErrnoException e) { 4581 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4582 } 4583 4584 // If we have mismatched owners for the data path, we have a problem. 4585 if (currentUid != pkg.applicationInfo.uid) { 4586 boolean recovered = false; 4587 if (currentUid == 0) { 4588 // The directory somehow became owned by root. Wow. 4589 // This is probably because the system was stopped while 4590 // installd was in the middle of messing with its libs 4591 // directory. Ask installd to fix that. 4592 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4593 pkg.applicationInfo.uid); 4594 if (ret >= 0) { 4595 recovered = true; 4596 String msg = "Package " + pkg.packageName 4597 + " unexpectedly changed to uid 0; recovered to " + 4598 + pkg.applicationInfo.uid; 4599 reportSettingsProblem(Log.WARN, msg); 4600 } 4601 } 4602 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4603 || (scanMode&SCAN_BOOTING) != 0)) { 4604 // If this is a system app, we can at least delete its 4605 // current data so the application will still work. 4606 int ret = removeDataDirsLI(pkgName); 4607 if (ret >= 0) { 4608 // TODO: Kill the processes first 4609 // Old data gone! 4610 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4611 ? "System package " : "Third party package "; 4612 String msg = prefix + pkg.packageName 4613 + " has changed from uid: " 4614 + currentUid + " to " 4615 + pkg.applicationInfo.uid + "; old data erased"; 4616 reportSettingsProblem(Log.WARN, msg); 4617 recovered = true; 4618 4619 // And now re-install the app. 4620 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4621 pkg.applicationInfo.seinfo); 4622 if (ret == -1) { 4623 // Ack should not happen! 4624 msg = prefix + pkg.packageName 4625 + " could not have data directory re-created after delete."; 4626 reportSettingsProblem(Log.WARN, msg); 4627 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4628 return null; 4629 } 4630 } 4631 if (!recovered) { 4632 mHasSystemUidErrors = true; 4633 } 4634 } else if (!recovered) { 4635 // If we allow this install to proceed, we will be broken. 4636 // Abort, abort! 4637 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4638 return null; 4639 } 4640 if (!recovered) { 4641 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4642 + pkg.applicationInfo.uid + "/fs_" 4643 + currentUid; 4644 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4645 String msg = "Package " + pkg.packageName 4646 + " has mismatched uid: " 4647 + currentUid + " on disk, " 4648 + pkg.applicationInfo.uid + " in settings"; 4649 // writer 4650 synchronized (mPackages) { 4651 mSettings.mReadMessages.append(msg); 4652 mSettings.mReadMessages.append('\n'); 4653 uidError = true; 4654 if (!pkgSetting.uidError) { 4655 reportSettingsProblem(Log.ERROR, msg); 4656 } 4657 } 4658 } 4659 } 4660 pkg.applicationInfo.dataDir = dataPath.getPath(); 4661 if (mShouldRestoreconData) { 4662 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4663 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4664 pkg.applicationInfo.uid); 4665 } 4666 } else { 4667 if (DEBUG_PACKAGE_SCANNING) { 4668 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4669 Log.v(TAG, "Want this data dir: " + dataPath); 4670 } 4671 //invoke installer to do the actual installation 4672 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4673 pkg.applicationInfo.seinfo); 4674 if (ret < 0) { 4675 // Error from installer 4676 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4677 return null; 4678 } 4679 4680 if (dataPath.exists()) { 4681 pkg.applicationInfo.dataDir = dataPath.getPath(); 4682 } else { 4683 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4684 pkg.applicationInfo.dataDir = null; 4685 } 4686 } 4687 4688 /* 4689 * Set the data dir to the default "/data/data/<package name>/lib" 4690 * if we got here without anyone telling us different (e.g., apps 4691 * stored on SD card have their native libraries stored in the ASEC 4692 * container with the APK). 4693 * 4694 * This happens during an upgrade from a package settings file that 4695 * doesn't have a native library path attribute at all. 4696 */ 4697 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4698 if (pkgSetting.nativeLibraryPathString == null) { 4699 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4700 } else { 4701 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4702 } 4703 } 4704 pkgSetting.uidError = uidError; 4705 } 4706 4707 String path = scanFile.getPath(); 4708 /* Note: We don't want to unpack the native binaries for 4709 * system applications, unless they have been updated 4710 * (the binaries are already under /system/lib). 4711 * Also, don't unpack libs for apps on the external card 4712 * since they should have their libraries in the ASEC 4713 * container already. 4714 * 4715 * In other words, we're going to unpack the binaries 4716 * only for non-system apps and system app upgrades. 4717 */ 4718 if (pkg.applicationInfo.nativeLibraryDir != null) { 4719 try { 4720 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4721 final String dataPathString = dataPath.getCanonicalPath(); 4722 4723 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4724 /* 4725 * Upgrading from a previous version of the OS sometimes 4726 * leaves native libraries in the /data/data/<app>/lib 4727 * directory for system apps even when they shouldn't be. 4728 * Recent changes in the JNI library search path 4729 * necessitates we remove those to match previous behavior. 4730 */ 4731 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4732 Log.i(TAG, "removed obsolete native libraries for system package " 4733 + path); 4734 } 4735 } else { 4736 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4737 /* 4738 * Update native library dir if it starts with 4739 * /data/data 4740 */ 4741 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4742 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4743 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4744 } 4745 4746 try { 4747 int copyRet = copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir); 4748 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4749 Slog.e(TAG, "Unable to copy native libraries"); 4750 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4751 return null; 4752 } 4753 4754 // We've successfully copied native libraries across, so we make a 4755 // note of what ABI we're using 4756 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 4757 pkg.applicationInfo.requiredCpuAbi = Build.SUPPORTED_ABIS[copyRet]; 4758 } else { 4759 pkg.applicationInfo.requiredCpuAbi = null; 4760 } 4761 } catch (IOException e) { 4762 Slog.e(TAG, "Unable to copy native libraries", e); 4763 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4764 return null; 4765 } 4766 } 4767 4768 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4769 final int[] userIds = sUserManager.getUserIds(); 4770 synchronized (mInstallLock) { 4771 for (int userId : userIds) { 4772 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4773 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4774 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4775 + ")"); 4776 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4777 return null; 4778 } 4779 } 4780 } 4781 } 4782 } catch (IOException ioe) { 4783 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4784 } 4785 } 4786 pkg.mScanPath = path; 4787 4788 if ((scanMode&SCAN_NO_DEX) == 0) { 4789 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4790 == DEX_OPT_FAILED) { 4791 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4792 removeDataDirsLI(pkg.packageName); 4793 } 4794 4795 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4796 return null; 4797 } 4798 } 4799 4800 if (mFactoryTest && pkg.requestedPermissions.contains( 4801 android.Manifest.permission.FACTORY_TEST)) { 4802 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4803 } 4804 4805 ArrayList<PackageParser.Package> clientLibPkgs = null; 4806 4807 // writer 4808 synchronized (mPackages) { 4809 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4810 // Only system apps can add new shared libraries. 4811 if (pkg.libraryNames != null) { 4812 for (int i=0; i<pkg.libraryNames.size(); i++) { 4813 String name = pkg.libraryNames.get(i); 4814 boolean allowed = false; 4815 if (isUpdatedSystemApp(pkg)) { 4816 // New library entries can only be added through the 4817 // system image. This is important to get rid of a lot 4818 // of nasty edge cases: for example if we allowed a non- 4819 // system update of the app to add a library, then uninstalling 4820 // the update would make the library go away, and assumptions 4821 // we made such as through app install filtering would now 4822 // have allowed apps on the device which aren't compatible 4823 // with it. Better to just have the restriction here, be 4824 // conservative, and create many fewer cases that can negatively 4825 // impact the user experience. 4826 final PackageSetting sysPs = mSettings 4827 .getDisabledSystemPkgLPr(pkg.packageName); 4828 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4829 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4830 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4831 allowed = true; 4832 allowed = true; 4833 break; 4834 } 4835 } 4836 } 4837 } else { 4838 allowed = true; 4839 } 4840 if (allowed) { 4841 if (!mSharedLibraries.containsKey(name)) { 4842 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4843 pkg.packageName)); 4844 } else if (!name.equals(pkg.packageName)) { 4845 Slog.w(TAG, "Package " + pkg.packageName + " library " 4846 + name + " already exists; skipping"); 4847 } 4848 } else { 4849 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4850 + name + " that is not declared on system image; skipping"); 4851 } 4852 } 4853 if ((scanMode&SCAN_BOOTING) == 0) { 4854 // If we are not booting, we need to update any applications 4855 // that are clients of our shared library. If we are booting, 4856 // this will all be done once the scan is complete. 4857 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4858 } 4859 } 4860 } 4861 } 4862 4863 // We also need to dexopt any apps that are dependent on this library. Note that 4864 // if these fail, we should abort the install since installing the library will 4865 // result in some apps being broken. 4866 if (clientLibPkgs != null) { 4867 if ((scanMode&SCAN_NO_DEX) == 0) { 4868 for (int i=0; i<clientLibPkgs.size(); i++) { 4869 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4870 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4871 == DEX_OPT_FAILED) { 4872 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4873 removeDataDirsLI(pkg.packageName); 4874 } 4875 4876 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4877 return null; 4878 } 4879 } 4880 } 4881 } 4882 4883 // Request the ActivityManager to kill the process(only for existing packages) 4884 // so that we do not end up in a confused state while the user is still using the older 4885 // version of the application while the new one gets installed. 4886 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4887 // If the package lives in an asec, tell everyone that the container is going 4888 // away so they can clean up any references to its resources (which would prevent 4889 // vold from being able to unmount the asec) 4890 if (isForwardLocked(pkg) || isExternal(pkg)) { 4891 if (DEBUG_INSTALL) { 4892 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4893 } 4894 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4895 final ArrayList<String> pkgList = new ArrayList<String>(1); 4896 pkgList.add(pkg.applicationInfo.packageName); 4897 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4898 } 4899 4900 // Post the request that it be killed now that the going-away broadcast is en route 4901 killApplication(pkg.applicationInfo.packageName, 4902 pkg.applicationInfo.uid, "update pkg"); 4903 } 4904 4905 // Also need to kill any apps that are dependent on the library. 4906 if (clientLibPkgs != null) { 4907 for (int i=0; i<clientLibPkgs.size(); i++) { 4908 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4909 killApplication(clientPkg.applicationInfo.packageName, 4910 clientPkg.applicationInfo.uid, "update lib"); 4911 } 4912 } 4913 4914 // writer 4915 synchronized (mPackages) { 4916 // We don't expect installation to fail beyond this point, 4917 if ((scanMode&SCAN_MONITOR) != 0) { 4918 mAppDirs.put(pkg.mPath, pkg); 4919 } 4920 // Add the new setting to mSettings 4921 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4922 // Add the new setting to mPackages 4923 mPackages.put(pkg.applicationInfo.packageName, pkg); 4924 // Make sure we don't accidentally delete its data. 4925 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4926 while (iter.hasNext()) { 4927 PackageCleanItem item = iter.next(); 4928 if (pkgName.equals(item.packageName)) { 4929 iter.remove(); 4930 } 4931 } 4932 4933 // Take care of first install / last update times. 4934 if (currentTime != 0) { 4935 if (pkgSetting.firstInstallTime == 0) { 4936 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4937 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4938 pkgSetting.lastUpdateTime = currentTime; 4939 } 4940 } else if (pkgSetting.firstInstallTime == 0) { 4941 // We need *something*. Take time time stamp of the file. 4942 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4943 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4944 if (scanFileTime != pkgSetting.timeStamp) { 4945 // A package on the system image has changed; consider this 4946 // to be an update. 4947 pkgSetting.lastUpdateTime = scanFileTime; 4948 } 4949 } 4950 4951 // Add the package's KeySets to the global KeySetManager 4952 KeySetManager ksm = mSettings.mKeySetManager; 4953 try { 4954 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4955 if (pkg.mKeySetMapping != null) { 4956 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4957 if (entry.getValue() != null) { 4958 ksm.addDefinedKeySetToPackage(pkg.packageName, 4959 entry.getValue(), entry.getKey()); 4960 } 4961 } 4962 } 4963 } catch (NullPointerException e) { 4964 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 4965 } catch (IllegalArgumentException e) { 4966 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 4967 } 4968 4969 int N = pkg.providers.size(); 4970 StringBuilder r = null; 4971 int i; 4972 for (i=0; i<N; i++) { 4973 PackageParser.Provider p = pkg.providers.get(i); 4974 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4975 p.info.processName, pkg.applicationInfo.uid); 4976 mProviders.addProvider(p); 4977 p.syncable = p.info.isSyncable; 4978 if (p.info.authority != null) { 4979 String names[] = p.info.authority.split(";"); 4980 p.info.authority = null; 4981 for (int j = 0; j < names.length; j++) { 4982 if (j == 1 && p.syncable) { 4983 // We only want the first authority for a provider to possibly be 4984 // syncable, so if we already added this provider using a different 4985 // authority clear the syncable flag. We copy the provider before 4986 // changing it because the mProviders object contains a reference 4987 // to a provider that we don't want to change. 4988 // Only do this for the second authority since the resulting provider 4989 // object can be the same for all future authorities for this provider. 4990 p = new PackageParser.Provider(p); 4991 p.syncable = false; 4992 } 4993 if (!mProvidersByAuthority.containsKey(names[j])) { 4994 mProvidersByAuthority.put(names[j], p); 4995 if (p.info.authority == null) { 4996 p.info.authority = names[j]; 4997 } else { 4998 p.info.authority = p.info.authority + ";" + names[j]; 4999 } 5000 if (DEBUG_PACKAGE_SCANNING) { 5001 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5002 Log.d(TAG, "Registered content provider: " + names[j] 5003 + ", className = " + p.info.name + ", isSyncable = " 5004 + p.info.isSyncable); 5005 } 5006 } else { 5007 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5008 Slog.w(TAG, "Skipping provider name " + names[j] + 5009 " (in package " + pkg.applicationInfo.packageName + 5010 "): name already used by " 5011 + ((other != null && other.getComponentName() != null) 5012 ? other.getComponentName().getPackageName() : "?")); 5013 } 5014 } 5015 } 5016 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5017 if (r == null) { 5018 r = new StringBuilder(256); 5019 } else { 5020 r.append(' '); 5021 } 5022 r.append(p.info.name); 5023 } 5024 } 5025 if (r != null) { 5026 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5027 } 5028 5029 N = pkg.services.size(); 5030 r = null; 5031 for (i=0; i<N; i++) { 5032 PackageParser.Service s = pkg.services.get(i); 5033 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5034 s.info.processName, pkg.applicationInfo.uid); 5035 mServices.addService(s); 5036 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5037 if (r == null) { 5038 r = new StringBuilder(256); 5039 } else { 5040 r.append(' '); 5041 } 5042 r.append(s.info.name); 5043 } 5044 } 5045 if (r != null) { 5046 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5047 } 5048 5049 N = pkg.receivers.size(); 5050 r = null; 5051 for (i=0; i<N; i++) { 5052 PackageParser.Activity a = pkg.receivers.get(i); 5053 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5054 a.info.processName, pkg.applicationInfo.uid); 5055 mReceivers.addActivity(a, "receiver"); 5056 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5057 if (r == null) { 5058 r = new StringBuilder(256); 5059 } else { 5060 r.append(' '); 5061 } 5062 r.append(a.info.name); 5063 } 5064 } 5065 if (r != null) { 5066 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5067 } 5068 5069 N = pkg.activities.size(); 5070 r = null; 5071 for (i=0; i<N; i++) { 5072 PackageParser.Activity a = pkg.activities.get(i); 5073 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5074 a.info.processName, pkg.applicationInfo.uid); 5075 mActivities.addActivity(a, "activity"); 5076 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5077 if (r == null) { 5078 r = new StringBuilder(256); 5079 } else { 5080 r.append(' '); 5081 } 5082 r.append(a.info.name); 5083 } 5084 } 5085 if (r != null) { 5086 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5087 } 5088 5089 N = pkg.permissionGroups.size(); 5090 r = null; 5091 for (i=0; i<N; i++) { 5092 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5093 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5094 if (cur == null) { 5095 mPermissionGroups.put(pg.info.name, pg); 5096 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5097 if (r == null) { 5098 r = new StringBuilder(256); 5099 } else { 5100 r.append(' '); 5101 } 5102 r.append(pg.info.name); 5103 } 5104 } else { 5105 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5106 + pg.info.packageName + " ignored: original from " 5107 + cur.info.packageName); 5108 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5109 if (r == null) { 5110 r = new StringBuilder(256); 5111 } else { 5112 r.append(' '); 5113 } 5114 r.append("DUP:"); 5115 r.append(pg.info.name); 5116 } 5117 } 5118 } 5119 if (r != null) { 5120 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5121 } 5122 5123 N = pkg.permissions.size(); 5124 r = null; 5125 for (i=0; i<N; i++) { 5126 PackageParser.Permission p = pkg.permissions.get(i); 5127 HashMap<String, BasePermission> permissionMap = 5128 p.tree ? mSettings.mPermissionTrees 5129 : mSettings.mPermissions; 5130 p.group = mPermissionGroups.get(p.info.group); 5131 if (p.info.group == null || p.group != null) { 5132 BasePermission bp = permissionMap.get(p.info.name); 5133 if (bp == null) { 5134 bp = new BasePermission(p.info.name, p.info.packageName, 5135 BasePermission.TYPE_NORMAL); 5136 permissionMap.put(p.info.name, bp); 5137 } 5138 if (bp.perm == null) { 5139 if (bp.sourcePackage != null 5140 && !bp.sourcePackage.equals(p.info.packageName)) { 5141 // If this is a permission that was formerly defined by a non-system 5142 // app, but is now defined by a system app (following an upgrade), 5143 // discard the previous declaration and consider the system's to be 5144 // canonical. 5145 if (isSystemApp(p.owner)) { 5146 Slog.i(TAG, "New decl " + p.owner + " of permission " 5147 + p.info.name + " is system"); 5148 bp.sourcePackage = null; 5149 } 5150 } 5151 if (bp.sourcePackage == null 5152 || bp.sourcePackage.equals(p.info.packageName)) { 5153 BasePermission tree = findPermissionTreeLP(p.info.name); 5154 if (tree == null 5155 || tree.sourcePackage.equals(p.info.packageName)) { 5156 bp.packageSetting = pkgSetting; 5157 bp.perm = p; 5158 bp.uid = pkg.applicationInfo.uid; 5159 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5160 if (r == null) { 5161 r = new StringBuilder(256); 5162 } else { 5163 r.append(' '); 5164 } 5165 r.append(p.info.name); 5166 } 5167 } else { 5168 Slog.w(TAG, "Permission " + p.info.name + " from package " 5169 + p.info.packageName + " ignored: base tree " 5170 + tree.name + " is from package " 5171 + tree.sourcePackage); 5172 } 5173 } else { 5174 Slog.w(TAG, "Permission " + p.info.name + " from package " 5175 + p.info.packageName + " ignored: original from " 5176 + bp.sourcePackage); 5177 } 5178 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5179 if (r == null) { 5180 r = new StringBuilder(256); 5181 } else { 5182 r.append(' '); 5183 } 5184 r.append("DUP:"); 5185 r.append(p.info.name); 5186 } 5187 if (bp.perm == p) { 5188 bp.protectionLevel = p.info.protectionLevel; 5189 } 5190 } else { 5191 Slog.w(TAG, "Permission " + p.info.name + " from package " 5192 + p.info.packageName + " ignored: no group " 5193 + p.group); 5194 } 5195 } 5196 if (r != null) { 5197 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5198 } 5199 5200 N = pkg.instrumentation.size(); 5201 r = null; 5202 for (i=0; i<N; i++) { 5203 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5204 a.info.packageName = pkg.applicationInfo.packageName; 5205 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5206 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5207 a.info.dataDir = pkg.applicationInfo.dataDir; 5208 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5209 mInstrumentation.put(a.getComponentName(), a); 5210 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5211 if (r == null) { 5212 r = new StringBuilder(256); 5213 } else { 5214 r.append(' '); 5215 } 5216 r.append(a.info.name); 5217 } 5218 } 5219 if (r != null) { 5220 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5221 } 5222 5223 if (pkg.protectedBroadcasts != null) { 5224 N = pkg.protectedBroadcasts.size(); 5225 for (i=0; i<N; i++) { 5226 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5227 } 5228 } 5229 5230 pkgSetting.setTimeStamp(scanFileTime); 5231 5232 // Create idmap files for pairs of (packages, overlay packages). 5233 // Note: "android", ie framework-res.apk, is handled by native layers. 5234 if (pkg.mOverlayTarget != null) { 5235 // This is an overlay package. 5236 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5237 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5238 mOverlays.put(pkg.mOverlayTarget, 5239 new HashMap<String, PackageParser.Package>()); 5240 } 5241 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5242 map.put(pkg.packageName, pkg); 5243 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5244 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5245 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5246 return null; 5247 } 5248 } 5249 } else if (mOverlays.containsKey(pkg.packageName) && 5250 !pkg.packageName.equals("android")) { 5251 // This is a regular package, with one or more known overlay packages. 5252 createIdmapsForPackageLI(pkg); 5253 } 5254 } 5255 5256 return pkg; 5257 } 5258 5259 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5260 synchronized (mPackages) { 5261 mResolverReplaced = true; 5262 // Set up information for custom user intent resolution activity. 5263 mResolveActivity.applicationInfo = pkg.applicationInfo; 5264 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5265 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5266 mResolveActivity.processName = null; 5267 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5268 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5269 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5270 mResolveActivity.theme = 0; 5271 mResolveActivity.exported = true; 5272 mResolveActivity.enabled = true; 5273 mResolveInfo.activityInfo = mResolveActivity; 5274 mResolveInfo.priority = 0; 5275 mResolveInfo.preferredOrder = 0; 5276 mResolveInfo.match = 0; 5277 mResolveComponentName = mCustomResolverComponentName; 5278 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5279 mResolveComponentName); 5280 } 5281 } 5282 5283 private String calculateApkRoot(final String codePathString) { 5284 final File codePath = new File(codePathString); 5285 final File codeRoot; 5286 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 5287 codeRoot = Environment.getRootDirectory(); 5288 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 5289 codeRoot = Environment.getRootDirectory(); 5290 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 5291 codeRoot = Environment.getVendorDirectory(); 5292 } else { 5293 // Unrecognized code path; take its top real segment as the apk root: 5294 // e.g. /something/app/blah.apk => /something 5295 try { 5296 File f = codePath.getCanonicalFile(); 5297 File parent = f.getParentFile(); // non-null because codePath is a file 5298 File tmp; 5299 while ((tmp = parent.getParentFile()) != null) { 5300 f = parent; 5301 parent = tmp; 5302 } 5303 codeRoot = f; 5304 Slog.w(TAG, "Unrecognized code path " 5305 + codePath + " - using " + codeRoot); 5306 } catch (IOException e) { 5307 // Can't canonicalize the lib path -- shenanigans? 5308 Slog.w(TAG, "Can't canonicalize code path " + codePath); 5309 return Environment.getRootDirectory().getPath(); 5310 } 5311 } 5312 return codeRoot.getPath(); 5313 } 5314 5315 // This is the initial scan-time determination of how to handle a given 5316 // package for purposes of native library location. 5317 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5318 PackageSetting pkgSetting) { 5319 // "bundled" here means system-installed with no overriding update 5320 final boolean bundledApk = isSystemApp(pkg) && !isUpdatedSystemApp(pkg); 5321 final String apkName = getApkName(pkg.applicationInfo.sourceDir); 5322 final File libDir; 5323 if (bundledApk) { 5324 // If "/system/lib64/apkname" exists, assume that is the per-package 5325 // native library directory to use; otherwise use "/system/lib/apkname". 5326 String apkRoot = calculateApkRoot(pkg.applicationInfo.sourceDir); 5327 File lib64 = new File(apkRoot, LIB64_DIR_NAME); 5328 File packLib64 = new File(lib64, apkName); 5329 libDir = (packLib64.exists()) ? lib64 : new File(apkRoot, LIB_DIR_NAME); 5330 } else { 5331 libDir = mAppLibInstallDir; 5332 } 5333 final String nativeLibraryPath = (new File(libDir, apkName)).getPath(); 5334 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5335 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5336 } 5337 5338 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5339 throws IOException { 5340 if (!nativeLibraryDir.isDirectory()) { 5341 nativeLibraryDir.delete(); 5342 5343 if (!nativeLibraryDir.mkdir()) { 5344 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5345 } 5346 5347 try { 5348 Os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); 5349 } catch (ErrnoException e) { 5350 throw new IOException("Cannot chmod native library directory " 5351 + nativeLibraryDir.getPath(), e); 5352 } 5353 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5354 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5355 } 5356 5357 /* 5358 * If this is an internal application or our nativeLibraryPath points to 5359 * the app-lib directory, unpack the libraries if necessary. 5360 */ 5361 final NativeLibraryHelper.ApkHandle handle = new NativeLibraryHelper.ApkHandle(scanFile); 5362 try { 5363 int abi = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_ABIS); 5364 if (abi >= 0) { 5365 int copyRet = NativeLibraryHelper.copyNativeBinariesIfNeededLI(handle, 5366 nativeLibraryDir, Build.SUPPORTED_ABIS[abi]); 5367 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 5368 return copyRet; 5369 } 5370 } 5371 5372 return abi; 5373 } finally { 5374 handle.close(); 5375 } 5376 } 5377 5378 private void killApplication(String pkgName, int appId, String reason) { 5379 // Request the ActivityManager to kill the process(only for existing packages) 5380 // so that we do not end up in a confused state while the user is still using the older 5381 // version of the application while the new one gets installed. 5382 IActivityManager am = ActivityManagerNative.getDefault(); 5383 if (am != null) { 5384 try { 5385 am.killApplicationWithAppId(pkgName, appId, reason); 5386 } catch (RemoteException e) { 5387 } 5388 } 5389 } 5390 5391 void removePackageLI(PackageSetting ps, boolean chatty) { 5392 if (DEBUG_INSTALL) { 5393 if (chatty) 5394 Log.d(TAG, "Removing package " + ps.name); 5395 } 5396 5397 // writer 5398 synchronized (mPackages) { 5399 mPackages.remove(ps.name); 5400 if (ps.codePathString != null) { 5401 mAppDirs.remove(ps.codePathString); 5402 } 5403 5404 final PackageParser.Package pkg = ps.pkg; 5405 if (pkg != null) { 5406 cleanPackageDataStructuresLILPw(pkg, chatty); 5407 } 5408 } 5409 } 5410 5411 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5412 if (DEBUG_INSTALL) { 5413 if (chatty) 5414 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5415 } 5416 5417 // writer 5418 synchronized (mPackages) { 5419 mPackages.remove(pkg.applicationInfo.packageName); 5420 if (pkg.mPath != null) { 5421 mAppDirs.remove(pkg.mPath); 5422 } 5423 cleanPackageDataStructuresLILPw(pkg, chatty); 5424 } 5425 } 5426 5427 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5428 int N = pkg.providers.size(); 5429 StringBuilder r = null; 5430 int i; 5431 for (i=0; i<N; i++) { 5432 PackageParser.Provider p = pkg.providers.get(i); 5433 mProviders.removeProvider(p); 5434 if (p.info.authority == null) { 5435 5436 /* There was another ContentProvider with this authority when 5437 * this app was installed so this authority is null, 5438 * Ignore it as we don't have to unregister the provider. 5439 */ 5440 continue; 5441 } 5442 String names[] = p.info.authority.split(";"); 5443 for (int j = 0; j < names.length; j++) { 5444 if (mProvidersByAuthority.get(names[j]) == p) { 5445 mProvidersByAuthority.remove(names[j]); 5446 if (DEBUG_REMOVE) { 5447 if (chatty) 5448 Log.d(TAG, "Unregistered content provider: " + names[j] 5449 + ", className = " + p.info.name + ", isSyncable = " 5450 + p.info.isSyncable); 5451 } 5452 } 5453 } 5454 if (DEBUG_REMOVE && chatty) { 5455 if (r == null) { 5456 r = new StringBuilder(256); 5457 } else { 5458 r.append(' '); 5459 } 5460 r.append(p.info.name); 5461 } 5462 } 5463 if (r != null) { 5464 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5465 } 5466 5467 N = pkg.services.size(); 5468 r = null; 5469 for (i=0; i<N; i++) { 5470 PackageParser.Service s = pkg.services.get(i); 5471 mServices.removeService(s); 5472 if (chatty) { 5473 if (r == null) { 5474 r = new StringBuilder(256); 5475 } else { 5476 r.append(' '); 5477 } 5478 r.append(s.info.name); 5479 } 5480 } 5481 if (r != null) { 5482 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5483 } 5484 5485 N = pkg.receivers.size(); 5486 r = null; 5487 for (i=0; i<N; i++) { 5488 PackageParser.Activity a = pkg.receivers.get(i); 5489 mReceivers.removeActivity(a, "receiver"); 5490 if (DEBUG_REMOVE && chatty) { 5491 if (r == null) { 5492 r = new StringBuilder(256); 5493 } else { 5494 r.append(' '); 5495 } 5496 r.append(a.info.name); 5497 } 5498 } 5499 if (r != null) { 5500 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5501 } 5502 5503 N = pkg.activities.size(); 5504 r = null; 5505 for (i=0; i<N; i++) { 5506 PackageParser.Activity a = pkg.activities.get(i); 5507 mActivities.removeActivity(a, "activity"); 5508 if (DEBUG_REMOVE && chatty) { 5509 if (r == null) { 5510 r = new StringBuilder(256); 5511 } else { 5512 r.append(' '); 5513 } 5514 r.append(a.info.name); 5515 } 5516 } 5517 if (r != null) { 5518 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5519 } 5520 5521 N = pkg.permissions.size(); 5522 r = null; 5523 for (i=0; i<N; i++) { 5524 PackageParser.Permission p = pkg.permissions.get(i); 5525 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5526 if (bp == null) { 5527 bp = mSettings.mPermissionTrees.get(p.info.name); 5528 } 5529 if (bp != null && bp.perm == p) { 5530 bp.perm = null; 5531 if (DEBUG_REMOVE && chatty) { 5532 if (r == null) { 5533 r = new StringBuilder(256); 5534 } else { 5535 r.append(' '); 5536 } 5537 r.append(p.info.name); 5538 } 5539 } 5540 } 5541 if (r != null) { 5542 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5543 } 5544 5545 N = pkg.instrumentation.size(); 5546 r = null; 5547 for (i=0; i<N; i++) { 5548 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5549 mInstrumentation.remove(a.getComponentName()); 5550 if (DEBUG_REMOVE && chatty) { 5551 if (r == null) { 5552 r = new StringBuilder(256); 5553 } else { 5554 r.append(' '); 5555 } 5556 r.append(a.info.name); 5557 } 5558 } 5559 if (r != null) { 5560 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5561 } 5562 5563 r = null; 5564 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5565 // Only system apps can hold shared libraries. 5566 if (pkg.libraryNames != null) { 5567 for (i=0; i<pkg.libraryNames.size(); i++) { 5568 String name = pkg.libraryNames.get(i); 5569 SharedLibraryEntry cur = mSharedLibraries.get(name); 5570 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5571 mSharedLibraries.remove(name); 5572 if (DEBUG_REMOVE && chatty) { 5573 if (r == null) { 5574 r = new StringBuilder(256); 5575 } else { 5576 r.append(' '); 5577 } 5578 r.append(name); 5579 } 5580 } 5581 } 5582 } 5583 } 5584 if (r != null) { 5585 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5586 } 5587 } 5588 5589 private static final boolean isPackageFilename(String name) { 5590 return name != null && name.endsWith(".apk"); 5591 } 5592 5593 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5594 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5595 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5596 return true; 5597 } 5598 } 5599 return false; 5600 } 5601 5602 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5603 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5604 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5605 5606 private void updatePermissionsLPw(String changingPkg, 5607 PackageParser.Package pkgInfo, int flags) { 5608 // Make sure there are no dangling permission trees. 5609 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5610 while (it.hasNext()) { 5611 final BasePermission bp = it.next(); 5612 if (bp.packageSetting == null) { 5613 // We may not yet have parsed the package, so just see if 5614 // we still know about its settings. 5615 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5616 } 5617 if (bp.packageSetting == null) { 5618 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5619 + " from package " + bp.sourcePackage); 5620 it.remove(); 5621 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5622 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5623 Slog.i(TAG, "Removing old permission tree: " + bp.name 5624 + " from package " + bp.sourcePackage); 5625 flags |= UPDATE_PERMISSIONS_ALL; 5626 it.remove(); 5627 } 5628 } 5629 } 5630 5631 // Make sure all dynamic permissions have been assigned to a package, 5632 // and make sure there are no dangling permissions. 5633 it = mSettings.mPermissions.values().iterator(); 5634 while (it.hasNext()) { 5635 final BasePermission bp = it.next(); 5636 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5637 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5638 + bp.name + " pkg=" + bp.sourcePackage 5639 + " info=" + bp.pendingInfo); 5640 if (bp.packageSetting == null && bp.pendingInfo != null) { 5641 final BasePermission tree = findPermissionTreeLP(bp.name); 5642 if (tree != null && tree.perm != null) { 5643 bp.packageSetting = tree.packageSetting; 5644 bp.perm = new PackageParser.Permission(tree.perm.owner, 5645 new PermissionInfo(bp.pendingInfo)); 5646 bp.perm.info.packageName = tree.perm.info.packageName; 5647 bp.perm.info.name = bp.name; 5648 bp.uid = tree.uid; 5649 } 5650 } 5651 } 5652 if (bp.packageSetting == null) { 5653 // We may not yet have parsed the package, so just see if 5654 // we still know about its settings. 5655 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5656 } 5657 if (bp.packageSetting == null) { 5658 Slog.w(TAG, "Removing dangling permission: " + bp.name 5659 + " from package " + bp.sourcePackage); 5660 it.remove(); 5661 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5662 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5663 Slog.i(TAG, "Removing old permission: " + bp.name 5664 + " from package " + bp.sourcePackage); 5665 flags |= UPDATE_PERMISSIONS_ALL; 5666 it.remove(); 5667 } 5668 } 5669 } 5670 5671 // Now update the permissions for all packages, in particular 5672 // replace the granted permissions of the system packages. 5673 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5674 for (PackageParser.Package pkg : mPackages.values()) { 5675 if (pkg != pkgInfo) { 5676 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5677 } 5678 } 5679 } 5680 5681 if (pkgInfo != null) { 5682 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5683 } 5684 } 5685 5686 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5687 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5688 if (ps == null) { 5689 return; 5690 } 5691 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5692 HashSet<String> origPermissions = gp.grantedPermissions; 5693 boolean changedPermission = false; 5694 5695 if (replace) { 5696 ps.permissionsFixed = false; 5697 if (gp == ps) { 5698 origPermissions = new HashSet<String>(gp.grantedPermissions); 5699 gp.grantedPermissions.clear(); 5700 gp.gids = mGlobalGids; 5701 } 5702 } 5703 5704 if (gp.gids == null) { 5705 gp.gids = mGlobalGids; 5706 } 5707 5708 final int N = pkg.requestedPermissions.size(); 5709 for (int i=0; i<N; i++) { 5710 final String name = pkg.requestedPermissions.get(i); 5711 final boolean required = pkg.requestedPermissionsRequired.get(i); 5712 final BasePermission bp = mSettings.mPermissions.get(name); 5713 if (DEBUG_INSTALL) { 5714 if (gp != ps) { 5715 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5716 } 5717 } 5718 5719 if (bp == null || bp.packageSetting == null) { 5720 Slog.w(TAG, "Unknown permission " + name 5721 + " in package " + pkg.packageName); 5722 continue; 5723 } 5724 5725 final String perm = bp.name; 5726 boolean allowed; 5727 boolean allowedSig = false; 5728 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5729 if (level == PermissionInfo.PROTECTION_NORMAL 5730 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5731 // We grant a normal or dangerous permission if any of the following 5732 // are true: 5733 // 1) The permission is required 5734 // 2) The permission is optional, but was granted in the past 5735 // 3) The permission is optional, but was requested by an 5736 // app in /system (not /data) 5737 // 5738 // Otherwise, reject the permission. 5739 allowed = (required || origPermissions.contains(perm) 5740 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5741 } else if (bp.packageSetting == null) { 5742 // This permission is invalid; skip it. 5743 allowed = false; 5744 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5745 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5746 if (allowed) { 5747 allowedSig = true; 5748 } 5749 } else { 5750 allowed = false; 5751 } 5752 if (DEBUG_INSTALL) { 5753 if (gp != ps) { 5754 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5755 } 5756 } 5757 if (allowed) { 5758 if (!isSystemApp(ps) && ps.permissionsFixed) { 5759 // If this is an existing, non-system package, then 5760 // we can't add any new permissions to it. 5761 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5762 // Except... if this is a permission that was added 5763 // to the platform (note: need to only do this when 5764 // updating the platform). 5765 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5766 } 5767 } 5768 if (allowed) { 5769 if (!gp.grantedPermissions.contains(perm)) { 5770 changedPermission = true; 5771 gp.grantedPermissions.add(perm); 5772 gp.gids = appendInts(gp.gids, bp.gids); 5773 } else if (!ps.haveGids) { 5774 gp.gids = appendInts(gp.gids, bp.gids); 5775 } 5776 } else { 5777 Slog.w(TAG, "Not granting permission " + perm 5778 + " to package " + pkg.packageName 5779 + " because it was previously installed without"); 5780 } 5781 } else { 5782 if (gp.grantedPermissions.remove(perm)) { 5783 changedPermission = true; 5784 gp.gids = removeInts(gp.gids, bp.gids); 5785 Slog.i(TAG, "Un-granting permission " + perm 5786 + " from package " + pkg.packageName 5787 + " (protectionLevel=" + bp.protectionLevel 5788 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5789 + ")"); 5790 } else { 5791 Slog.w(TAG, "Not granting permission " + perm 5792 + " to package " + pkg.packageName 5793 + " (protectionLevel=" + bp.protectionLevel 5794 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5795 + ")"); 5796 } 5797 } 5798 } 5799 5800 if ((changedPermission || replace) && !ps.permissionsFixed && 5801 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5802 // This is the first that we have heard about this package, so the 5803 // permissions we have now selected are fixed until explicitly 5804 // changed. 5805 ps.permissionsFixed = true; 5806 } 5807 ps.haveGids = true; 5808 } 5809 5810 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5811 boolean allowed = false; 5812 final int NP = PackageParser.NEW_PERMISSIONS.length; 5813 for (int ip=0; ip<NP; ip++) { 5814 final PackageParser.NewPermissionInfo npi 5815 = PackageParser.NEW_PERMISSIONS[ip]; 5816 if (npi.name.equals(perm) 5817 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5818 allowed = true; 5819 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5820 + pkg.packageName); 5821 break; 5822 } 5823 } 5824 return allowed; 5825 } 5826 5827 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5828 BasePermission bp, HashSet<String> origPermissions) { 5829 boolean allowed; 5830 allowed = (compareSignatures( 5831 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5832 == PackageManager.SIGNATURE_MATCH) 5833 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5834 == PackageManager.SIGNATURE_MATCH); 5835 if (!allowed && (bp.protectionLevel 5836 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5837 if (isSystemApp(pkg)) { 5838 // For updated system applications, a system permission 5839 // is granted only if it had been defined by the original application. 5840 if (isUpdatedSystemApp(pkg)) { 5841 final PackageSetting sysPs = mSettings 5842 .getDisabledSystemPkgLPr(pkg.packageName); 5843 final GrantedPermissions origGp = sysPs.sharedUser != null 5844 ? sysPs.sharedUser : sysPs; 5845 5846 if (origGp.grantedPermissions.contains(perm)) { 5847 // If the original was granted this permission, we take 5848 // that grant decision as read and propagate it to the 5849 // update. 5850 allowed = true; 5851 } else { 5852 // The system apk may have been updated with an older 5853 // version of the one on the data partition, but which 5854 // granted a new system permission that it didn't have 5855 // before. In this case we do want to allow the app to 5856 // now get the new permission if the ancestral apk is 5857 // privileged to get it. 5858 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5859 for (int j=0; 5860 j<sysPs.pkg.requestedPermissions.size(); j++) { 5861 if (perm.equals( 5862 sysPs.pkg.requestedPermissions.get(j))) { 5863 allowed = true; 5864 break; 5865 } 5866 } 5867 } 5868 } 5869 } else { 5870 allowed = isPrivilegedApp(pkg); 5871 } 5872 } 5873 } 5874 if (!allowed && (bp.protectionLevel 5875 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5876 // For development permissions, a development permission 5877 // is granted only if it was already granted. 5878 allowed = origPermissions.contains(perm); 5879 } 5880 return allowed; 5881 } 5882 5883 final class ActivityIntentResolver 5884 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5885 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5886 boolean defaultOnly, int userId) { 5887 if (!sUserManager.exists(userId)) return null; 5888 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5889 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5890 } 5891 5892 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5893 int userId) { 5894 if (!sUserManager.exists(userId)) return null; 5895 mFlags = flags; 5896 return super.queryIntent(intent, resolvedType, 5897 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5898 } 5899 5900 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5901 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5902 if (!sUserManager.exists(userId)) return null; 5903 if (packageActivities == null) { 5904 return null; 5905 } 5906 mFlags = flags; 5907 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5908 final int N = packageActivities.size(); 5909 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5910 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5911 5912 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5913 for (int i = 0; i < N; ++i) { 5914 intentFilters = packageActivities.get(i).intents; 5915 if (intentFilters != null && intentFilters.size() > 0) { 5916 PackageParser.ActivityIntentInfo[] array = 5917 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5918 intentFilters.toArray(array); 5919 listCut.add(array); 5920 } 5921 } 5922 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5923 } 5924 5925 public final void addActivity(PackageParser.Activity a, String type) { 5926 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5927 mActivities.put(a.getComponentName(), a); 5928 if (DEBUG_SHOW_INFO) 5929 Log.v( 5930 TAG, " " + type + " " + 5931 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5932 if (DEBUG_SHOW_INFO) 5933 Log.v(TAG, " Class=" + a.info.name); 5934 final int NI = a.intents.size(); 5935 for (int j=0; j<NI; j++) { 5936 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5937 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5938 intent.setPriority(0); 5939 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5940 + a.className + " with priority > 0, forcing to 0"); 5941 } 5942 if (DEBUG_SHOW_INFO) { 5943 Log.v(TAG, " IntentFilter:"); 5944 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5945 } 5946 if (!intent.debugCheck()) { 5947 Log.w(TAG, "==> For Activity " + a.info.name); 5948 } 5949 addFilter(intent); 5950 } 5951 } 5952 5953 public final void removeActivity(PackageParser.Activity a, String type) { 5954 mActivities.remove(a.getComponentName()); 5955 if (DEBUG_SHOW_INFO) { 5956 Log.v(TAG, " " + type + " " 5957 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5958 : a.info.name) + ":"); 5959 Log.v(TAG, " Class=" + a.info.name); 5960 } 5961 final int NI = a.intents.size(); 5962 for (int j=0; j<NI; j++) { 5963 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5964 if (DEBUG_SHOW_INFO) { 5965 Log.v(TAG, " IntentFilter:"); 5966 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5967 } 5968 removeFilter(intent); 5969 } 5970 } 5971 5972 @Override 5973 protected boolean allowFilterResult( 5974 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5975 ActivityInfo filterAi = filter.activity.info; 5976 for (int i=dest.size()-1; i>=0; i--) { 5977 ActivityInfo destAi = dest.get(i).activityInfo; 5978 if (destAi.name == filterAi.name 5979 && destAi.packageName == filterAi.packageName) { 5980 return false; 5981 } 5982 } 5983 return true; 5984 } 5985 5986 @Override 5987 protected ActivityIntentInfo[] newArray(int size) { 5988 return new ActivityIntentInfo[size]; 5989 } 5990 5991 @Override 5992 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5993 if (!sUserManager.exists(userId)) return true; 5994 PackageParser.Package p = filter.activity.owner; 5995 if (p != null) { 5996 PackageSetting ps = (PackageSetting)p.mExtras; 5997 if (ps != null) { 5998 // System apps are never considered stopped for purposes of 5999 // filtering, because there may be no way for the user to 6000 // actually re-launch them. 6001 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6002 && ps.getStopped(userId); 6003 } 6004 } 6005 return false; 6006 } 6007 6008 @Override 6009 protected boolean isPackageForFilter(String packageName, 6010 PackageParser.ActivityIntentInfo info) { 6011 return packageName.equals(info.activity.owner.packageName); 6012 } 6013 6014 @Override 6015 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6016 int match, int userId) { 6017 if (!sUserManager.exists(userId)) return null; 6018 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6019 return null; 6020 } 6021 final PackageParser.Activity activity = info.activity; 6022 if (mSafeMode && (activity.info.applicationInfo.flags 6023 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6024 return null; 6025 } 6026 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6027 if (ps == null) { 6028 return null; 6029 } 6030 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6031 ps.readUserState(userId), userId); 6032 if (ai == null) { 6033 return null; 6034 } 6035 final ResolveInfo res = new ResolveInfo(); 6036 res.activityInfo = ai; 6037 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6038 res.filter = info; 6039 } 6040 res.priority = info.getPriority(); 6041 res.preferredOrder = activity.owner.mPreferredOrder; 6042 //System.out.println("Result: " + res.activityInfo.className + 6043 // " = " + res.priority); 6044 res.match = match; 6045 res.isDefault = info.hasDefault; 6046 res.labelRes = info.labelRes; 6047 res.nonLocalizedLabel = info.nonLocalizedLabel; 6048 res.icon = info.icon; 6049 res.system = isSystemApp(res.activityInfo.applicationInfo); 6050 return res; 6051 } 6052 6053 @Override 6054 protected void sortResults(List<ResolveInfo> results) { 6055 Collections.sort(results, mResolvePrioritySorter); 6056 } 6057 6058 @Override 6059 protected void dumpFilter(PrintWriter out, String prefix, 6060 PackageParser.ActivityIntentInfo filter) { 6061 out.print(prefix); out.print( 6062 Integer.toHexString(System.identityHashCode(filter.activity))); 6063 out.print(' '); 6064 filter.activity.printComponentShortName(out); 6065 out.print(" filter "); 6066 out.println(Integer.toHexString(System.identityHashCode(filter))); 6067 } 6068 6069// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6070// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6071// final List<ResolveInfo> retList = Lists.newArrayList(); 6072// while (i.hasNext()) { 6073// final ResolveInfo resolveInfo = i.next(); 6074// if (isEnabledLP(resolveInfo.activityInfo)) { 6075// retList.add(resolveInfo); 6076// } 6077// } 6078// return retList; 6079// } 6080 6081 // Keys are String (activity class name), values are Activity. 6082 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6083 = new HashMap<ComponentName, PackageParser.Activity>(); 6084 private int mFlags; 6085 } 6086 6087 private final class ServiceIntentResolver 6088 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6089 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6090 boolean defaultOnly, int userId) { 6091 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6092 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6093 } 6094 6095 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6096 int userId) { 6097 if (!sUserManager.exists(userId)) return null; 6098 mFlags = flags; 6099 return super.queryIntent(intent, resolvedType, 6100 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6101 } 6102 6103 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6104 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6105 if (!sUserManager.exists(userId)) return null; 6106 if (packageServices == null) { 6107 return null; 6108 } 6109 mFlags = flags; 6110 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6111 final int N = packageServices.size(); 6112 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6113 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6114 6115 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6116 for (int i = 0; i < N; ++i) { 6117 intentFilters = packageServices.get(i).intents; 6118 if (intentFilters != null && intentFilters.size() > 0) { 6119 PackageParser.ServiceIntentInfo[] array = 6120 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6121 intentFilters.toArray(array); 6122 listCut.add(array); 6123 } 6124 } 6125 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6126 } 6127 6128 public final void addService(PackageParser.Service s) { 6129 mServices.put(s.getComponentName(), s); 6130 if (DEBUG_SHOW_INFO) { 6131 Log.v(TAG, " " 6132 + (s.info.nonLocalizedLabel != null 6133 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6134 Log.v(TAG, " Class=" + s.info.name); 6135 } 6136 final int NI = s.intents.size(); 6137 int j; 6138 for (j=0; j<NI; j++) { 6139 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6140 if (DEBUG_SHOW_INFO) { 6141 Log.v(TAG, " IntentFilter:"); 6142 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6143 } 6144 if (!intent.debugCheck()) { 6145 Log.w(TAG, "==> For Service " + s.info.name); 6146 } 6147 addFilter(intent); 6148 } 6149 } 6150 6151 public final void removeService(PackageParser.Service s) { 6152 mServices.remove(s.getComponentName()); 6153 if (DEBUG_SHOW_INFO) { 6154 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6155 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6156 Log.v(TAG, " Class=" + s.info.name); 6157 } 6158 final int NI = s.intents.size(); 6159 int j; 6160 for (j=0; j<NI; j++) { 6161 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6162 if (DEBUG_SHOW_INFO) { 6163 Log.v(TAG, " IntentFilter:"); 6164 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6165 } 6166 removeFilter(intent); 6167 } 6168 } 6169 6170 @Override 6171 protected boolean allowFilterResult( 6172 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6173 ServiceInfo filterSi = filter.service.info; 6174 for (int i=dest.size()-1; i>=0; i--) { 6175 ServiceInfo destAi = dest.get(i).serviceInfo; 6176 if (destAi.name == filterSi.name 6177 && destAi.packageName == filterSi.packageName) { 6178 return false; 6179 } 6180 } 6181 return true; 6182 } 6183 6184 @Override 6185 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6186 return new PackageParser.ServiceIntentInfo[size]; 6187 } 6188 6189 @Override 6190 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6191 if (!sUserManager.exists(userId)) return true; 6192 PackageParser.Package p = filter.service.owner; 6193 if (p != null) { 6194 PackageSetting ps = (PackageSetting)p.mExtras; 6195 if (ps != null) { 6196 // System apps are never considered stopped for purposes of 6197 // filtering, because there may be no way for the user to 6198 // actually re-launch them. 6199 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6200 && ps.getStopped(userId); 6201 } 6202 } 6203 return false; 6204 } 6205 6206 @Override 6207 protected boolean isPackageForFilter(String packageName, 6208 PackageParser.ServiceIntentInfo info) { 6209 return packageName.equals(info.service.owner.packageName); 6210 } 6211 6212 @Override 6213 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6214 int match, int userId) { 6215 if (!sUserManager.exists(userId)) return null; 6216 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6217 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6218 return null; 6219 } 6220 final PackageParser.Service service = info.service; 6221 if (mSafeMode && (service.info.applicationInfo.flags 6222 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6223 return null; 6224 } 6225 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6226 if (ps == null) { 6227 return null; 6228 } 6229 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6230 ps.readUserState(userId), userId); 6231 if (si == null) { 6232 return null; 6233 } 6234 final ResolveInfo res = new ResolveInfo(); 6235 res.serviceInfo = si; 6236 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6237 res.filter = filter; 6238 } 6239 res.priority = info.getPriority(); 6240 res.preferredOrder = service.owner.mPreferredOrder; 6241 //System.out.println("Result: " + res.activityInfo.className + 6242 // " = " + res.priority); 6243 res.match = match; 6244 res.isDefault = info.hasDefault; 6245 res.labelRes = info.labelRes; 6246 res.nonLocalizedLabel = info.nonLocalizedLabel; 6247 res.icon = info.icon; 6248 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6249 return res; 6250 } 6251 6252 @Override 6253 protected void sortResults(List<ResolveInfo> results) { 6254 Collections.sort(results, mResolvePrioritySorter); 6255 } 6256 6257 @Override 6258 protected void dumpFilter(PrintWriter out, String prefix, 6259 PackageParser.ServiceIntentInfo filter) { 6260 out.print(prefix); out.print( 6261 Integer.toHexString(System.identityHashCode(filter.service))); 6262 out.print(' '); 6263 filter.service.printComponentShortName(out); 6264 out.print(" filter "); 6265 out.println(Integer.toHexString(System.identityHashCode(filter))); 6266 } 6267 6268// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6269// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6270// final List<ResolveInfo> retList = Lists.newArrayList(); 6271// while (i.hasNext()) { 6272// final ResolveInfo resolveInfo = (ResolveInfo) i; 6273// if (isEnabledLP(resolveInfo.serviceInfo)) { 6274// retList.add(resolveInfo); 6275// } 6276// } 6277// return retList; 6278// } 6279 6280 // Keys are String (activity class name), values are Activity. 6281 private final HashMap<ComponentName, PackageParser.Service> mServices 6282 = new HashMap<ComponentName, PackageParser.Service>(); 6283 private int mFlags; 6284 }; 6285 6286 private final class ProviderIntentResolver 6287 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6288 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6289 boolean defaultOnly, int userId) { 6290 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6291 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6292 } 6293 6294 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6295 int userId) { 6296 if (!sUserManager.exists(userId)) 6297 return null; 6298 mFlags = flags; 6299 return super.queryIntent(intent, resolvedType, 6300 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6301 } 6302 6303 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6304 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6305 if (!sUserManager.exists(userId)) 6306 return null; 6307 if (packageProviders == null) { 6308 return null; 6309 } 6310 mFlags = flags; 6311 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6312 final int N = packageProviders.size(); 6313 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6314 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6315 6316 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6317 for (int i = 0; i < N; ++i) { 6318 intentFilters = packageProviders.get(i).intents; 6319 if (intentFilters != null && intentFilters.size() > 0) { 6320 PackageParser.ProviderIntentInfo[] array = 6321 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6322 intentFilters.toArray(array); 6323 listCut.add(array); 6324 } 6325 } 6326 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6327 } 6328 6329 public final void addProvider(PackageParser.Provider p) { 6330 mProviders.put(p.getComponentName(), p); 6331 if (DEBUG_SHOW_INFO) { 6332 Log.v(TAG, " " 6333 + (p.info.nonLocalizedLabel != null 6334 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6335 Log.v(TAG, " Class=" + p.info.name); 6336 } 6337 final int NI = p.intents.size(); 6338 int j; 6339 for (j = 0; j < NI; j++) { 6340 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6341 if (DEBUG_SHOW_INFO) { 6342 Log.v(TAG, " IntentFilter:"); 6343 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6344 } 6345 if (!intent.debugCheck()) { 6346 Log.w(TAG, "==> For Provider " + p.info.name); 6347 } 6348 addFilter(intent); 6349 } 6350 } 6351 6352 public final void removeProvider(PackageParser.Provider p) { 6353 mProviders.remove(p.getComponentName()); 6354 if (DEBUG_SHOW_INFO) { 6355 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6356 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6357 Log.v(TAG, " Class=" + p.info.name); 6358 } 6359 final int NI = p.intents.size(); 6360 int j; 6361 for (j = 0; j < NI; j++) { 6362 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6363 if (DEBUG_SHOW_INFO) { 6364 Log.v(TAG, " IntentFilter:"); 6365 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6366 } 6367 removeFilter(intent); 6368 } 6369 } 6370 6371 @Override 6372 protected boolean allowFilterResult( 6373 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6374 ProviderInfo filterPi = filter.provider.info; 6375 for (int i = dest.size() - 1; i >= 0; i--) { 6376 ProviderInfo destPi = dest.get(i).providerInfo; 6377 if (destPi.name == filterPi.name 6378 && destPi.packageName == filterPi.packageName) { 6379 return false; 6380 } 6381 } 6382 return true; 6383 } 6384 6385 @Override 6386 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6387 return new PackageParser.ProviderIntentInfo[size]; 6388 } 6389 6390 @Override 6391 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6392 if (!sUserManager.exists(userId)) 6393 return true; 6394 PackageParser.Package p = filter.provider.owner; 6395 if (p != null) { 6396 PackageSetting ps = (PackageSetting) p.mExtras; 6397 if (ps != null) { 6398 // System apps are never considered stopped for purposes of 6399 // filtering, because there may be no way for the user to 6400 // actually re-launch them. 6401 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6402 && ps.getStopped(userId); 6403 } 6404 } 6405 return false; 6406 } 6407 6408 @Override 6409 protected boolean isPackageForFilter(String packageName, 6410 PackageParser.ProviderIntentInfo info) { 6411 return packageName.equals(info.provider.owner.packageName); 6412 } 6413 6414 @Override 6415 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6416 int match, int userId) { 6417 if (!sUserManager.exists(userId)) 6418 return null; 6419 final PackageParser.ProviderIntentInfo info = filter; 6420 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6421 return null; 6422 } 6423 final PackageParser.Provider provider = info.provider; 6424 if (mSafeMode && (provider.info.applicationInfo.flags 6425 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6426 return null; 6427 } 6428 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6429 if (ps == null) { 6430 return null; 6431 } 6432 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6433 ps.readUserState(userId), userId); 6434 if (pi == null) { 6435 return null; 6436 } 6437 final ResolveInfo res = new ResolveInfo(); 6438 res.providerInfo = pi; 6439 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6440 res.filter = filter; 6441 } 6442 res.priority = info.getPriority(); 6443 res.preferredOrder = provider.owner.mPreferredOrder; 6444 res.match = match; 6445 res.isDefault = info.hasDefault; 6446 res.labelRes = info.labelRes; 6447 res.nonLocalizedLabel = info.nonLocalizedLabel; 6448 res.icon = info.icon; 6449 res.system = isSystemApp(res.providerInfo.applicationInfo); 6450 return res; 6451 } 6452 6453 @Override 6454 protected void sortResults(List<ResolveInfo> results) { 6455 Collections.sort(results, mResolvePrioritySorter); 6456 } 6457 6458 @Override 6459 protected void dumpFilter(PrintWriter out, String prefix, 6460 PackageParser.ProviderIntentInfo filter) { 6461 out.print(prefix); 6462 out.print( 6463 Integer.toHexString(System.identityHashCode(filter.provider))); 6464 out.print(' '); 6465 filter.provider.printComponentShortName(out); 6466 out.print(" filter "); 6467 out.println(Integer.toHexString(System.identityHashCode(filter))); 6468 } 6469 6470 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6471 = new HashMap<ComponentName, PackageParser.Provider>(); 6472 private int mFlags; 6473 }; 6474 6475 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6476 new Comparator<ResolveInfo>() { 6477 public int compare(ResolveInfo r1, ResolveInfo r2) { 6478 int v1 = r1.priority; 6479 int v2 = r2.priority; 6480 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6481 if (v1 != v2) { 6482 return (v1 > v2) ? -1 : 1; 6483 } 6484 v1 = r1.preferredOrder; 6485 v2 = r2.preferredOrder; 6486 if (v1 != v2) { 6487 return (v1 > v2) ? -1 : 1; 6488 } 6489 if (r1.isDefault != r2.isDefault) { 6490 return r1.isDefault ? -1 : 1; 6491 } 6492 v1 = r1.match; 6493 v2 = r2.match; 6494 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6495 if (v1 != v2) { 6496 return (v1 > v2) ? -1 : 1; 6497 } 6498 if (r1.system != r2.system) { 6499 return r1.system ? -1 : 1; 6500 } 6501 return 0; 6502 } 6503 }; 6504 6505 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6506 new Comparator<ProviderInfo>() { 6507 public int compare(ProviderInfo p1, ProviderInfo p2) { 6508 final int v1 = p1.initOrder; 6509 final int v2 = p2.initOrder; 6510 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6511 } 6512 }; 6513 6514 static final void sendPackageBroadcast(String action, String pkg, 6515 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6516 int[] userIds) { 6517 IActivityManager am = ActivityManagerNative.getDefault(); 6518 if (am != null) { 6519 try { 6520 if (userIds == null) { 6521 userIds = am.getRunningUserIds(); 6522 } 6523 for (int id : userIds) { 6524 final Intent intent = new Intent(action, 6525 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6526 if (extras != null) { 6527 intent.putExtras(extras); 6528 } 6529 if (targetPkg != null) { 6530 intent.setPackage(targetPkg); 6531 } 6532 // Modify the UID when posting to other users 6533 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6534 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6535 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6536 intent.putExtra(Intent.EXTRA_UID, uid); 6537 } 6538 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6539 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6540 if (DEBUG_BROADCASTS) { 6541 RuntimeException here = new RuntimeException("here"); 6542 here.fillInStackTrace(); 6543 Slog.d(TAG, "Sending to user " + id + ": " 6544 + intent.toShortString(false, true, false, false) 6545 + " " + intent.getExtras(), here); 6546 } 6547 am.broadcastIntent(null, intent, null, finishedReceiver, 6548 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6549 finishedReceiver != null, false, id); 6550 } 6551 } catch (RemoteException ex) { 6552 } 6553 } 6554 } 6555 6556 /** 6557 * Check if the external storage media is available. This is true if there 6558 * is a mounted external storage medium or if the external storage is 6559 * emulated. 6560 */ 6561 private boolean isExternalMediaAvailable() { 6562 return mMediaMounted || Environment.isExternalStorageEmulated(); 6563 } 6564 6565 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6566 // writer 6567 synchronized (mPackages) { 6568 if (!isExternalMediaAvailable()) { 6569 // If the external storage is no longer mounted at this point, 6570 // the caller may not have been able to delete all of this 6571 // packages files and can not delete any more. Bail. 6572 return null; 6573 } 6574 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6575 if (lastPackage != null) { 6576 pkgs.remove(lastPackage); 6577 } 6578 if (pkgs.size() > 0) { 6579 return pkgs.get(0); 6580 } 6581 } 6582 return null; 6583 } 6584 6585 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6586 if (false) { 6587 RuntimeException here = new RuntimeException("here"); 6588 here.fillInStackTrace(); 6589 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6590 + " andCode=" + andCode, here); 6591 } 6592 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6593 userId, andCode ? 1 : 0, packageName)); 6594 } 6595 6596 void startCleaningPackages() { 6597 // reader 6598 synchronized (mPackages) { 6599 if (!isExternalMediaAvailable()) { 6600 return; 6601 } 6602 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6603 return; 6604 } 6605 } 6606 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6607 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6608 IActivityManager am = ActivityManagerNative.getDefault(); 6609 if (am != null) { 6610 try { 6611 am.startService(null, intent, null, UserHandle.USER_OWNER); 6612 } catch (RemoteException e) { 6613 } 6614 } 6615 } 6616 6617 private final class AppDirObserver extends FileObserver { 6618 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6619 super(path, mask); 6620 mRootDir = path; 6621 mIsRom = isrom; 6622 mIsPrivileged = isPrivileged; 6623 } 6624 6625 public void onEvent(int event, String path) { 6626 String removedPackage = null; 6627 int removedAppId = -1; 6628 int[] removedUsers = null; 6629 String addedPackage = null; 6630 int addedAppId = -1; 6631 int[] addedUsers = null; 6632 6633 // TODO post a message to the handler to obtain serial ordering 6634 synchronized (mInstallLock) { 6635 String fullPathStr = null; 6636 File fullPath = null; 6637 if (path != null) { 6638 fullPath = new File(mRootDir, path); 6639 fullPathStr = fullPath.getPath(); 6640 } 6641 6642 if (DEBUG_APP_DIR_OBSERVER) 6643 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6644 6645 if (!isPackageFilename(path)) { 6646 if (DEBUG_APP_DIR_OBSERVER) 6647 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6648 return; 6649 } 6650 6651 // Ignore packages that are being installed or 6652 // have just been installed. 6653 if (ignoreCodePath(fullPathStr)) { 6654 return; 6655 } 6656 PackageParser.Package p = null; 6657 PackageSetting ps = null; 6658 // reader 6659 synchronized (mPackages) { 6660 p = mAppDirs.get(fullPathStr); 6661 if (p != null) { 6662 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6663 if (ps != null) { 6664 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6665 } else { 6666 removedUsers = sUserManager.getUserIds(); 6667 } 6668 } 6669 addedUsers = sUserManager.getUserIds(); 6670 } 6671 if ((event&REMOVE_EVENTS) != 0) { 6672 if (ps != null) { 6673 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6674 removePackageLI(ps, true); 6675 removedPackage = ps.name; 6676 removedAppId = ps.appId; 6677 } 6678 } 6679 6680 if ((event&ADD_EVENTS) != 0) { 6681 if (p == null) { 6682 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6683 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6684 if (mIsRom) { 6685 flags |= PackageParser.PARSE_IS_SYSTEM 6686 | PackageParser.PARSE_IS_SYSTEM_DIR; 6687 if (mIsPrivileged) { 6688 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6689 } 6690 } 6691 p = scanPackageLI(fullPath, flags, 6692 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6693 System.currentTimeMillis(), UserHandle.ALL); 6694 if (p != null) { 6695 /* 6696 * TODO this seems dangerous as the package may have 6697 * changed since we last acquired the mPackages 6698 * lock. 6699 */ 6700 // writer 6701 synchronized (mPackages) { 6702 updatePermissionsLPw(p.packageName, p, 6703 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6704 } 6705 addedPackage = p.applicationInfo.packageName; 6706 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6707 } 6708 } 6709 } 6710 6711 // reader 6712 synchronized (mPackages) { 6713 mSettings.writeLPr(); 6714 } 6715 } 6716 6717 if (removedPackage != null) { 6718 Bundle extras = new Bundle(1); 6719 extras.putInt(Intent.EXTRA_UID, removedAppId); 6720 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6721 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6722 extras, null, null, removedUsers); 6723 } 6724 if (addedPackage != null) { 6725 Bundle extras = new Bundle(1); 6726 extras.putInt(Intent.EXTRA_UID, addedAppId); 6727 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6728 extras, null, null, addedUsers); 6729 } 6730 } 6731 6732 private final String mRootDir; 6733 private final boolean mIsRom; 6734 private final boolean mIsPrivileged; 6735 } 6736 6737 /* Called when a downloaded package installation has been confirmed by the user */ 6738 public void installPackage( 6739 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6740 installPackage(packageURI, observer, flags, null); 6741 } 6742 6743 /* Called when a downloaded package installation has been confirmed by the user */ 6744 public void installPackage( 6745 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6746 final String installerPackageName) { 6747 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6748 null, null); 6749 } 6750 6751 @Override 6752 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6753 int flags, String installerPackageName, Uri verificationURI, 6754 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6755 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6756 VerificationParams.NO_UID, manifestDigest); 6757 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6758 installerPackageName, verificationParams, encryptionParams); 6759 } 6760 6761 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6762 IPackageInstallObserver observer, int flags, String installerPackageName, 6763 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6764 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6765 null); 6766 6767 final int uid = Binder.getCallingUid(); 6768 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6769 try { 6770 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6771 } catch (RemoteException re) { 6772 } 6773 return; 6774 } 6775 6776 UserHandle user; 6777 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6778 user = UserHandle.ALL; 6779 } else { 6780 user = new UserHandle(UserHandle.getUserId(uid)); 6781 } 6782 6783 final int filteredFlags; 6784 6785 if (uid == Process.SHELL_UID || uid == 0) { 6786 if (DEBUG_INSTALL) { 6787 Slog.v(TAG, "Install from ADB"); 6788 } 6789 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6790 } else { 6791 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6792 } 6793 6794 verificationParams.setInstallerUid(uid); 6795 6796 final Message msg = mHandler.obtainMessage(INIT_COPY); 6797 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6798 verificationParams, encryptionParams, user); 6799 mHandler.sendMessage(msg); 6800 } 6801 6802 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6803 Bundle extras = new Bundle(1); 6804 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6805 6806 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6807 packageName, extras, null, null, new int[] {userId}); 6808 try { 6809 IActivityManager am = ActivityManagerNative.getDefault(); 6810 final boolean isSystem = 6811 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6812 if (isSystem && am.isUserRunning(userId, false)) { 6813 // The just-installed/enabled app is bundled on the system, so presumed 6814 // to be able to run automatically without needing an explicit launch. 6815 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6816 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6817 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6818 .setPackage(packageName); 6819 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6820 android.app.AppOpsManager.OP_NONE, false, false, userId); 6821 } 6822 } catch (RemoteException e) { 6823 // shouldn't happen 6824 Slog.w(TAG, "Unable to bootstrap installed package", e); 6825 } 6826 } 6827 6828 @Override 6829 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6830 int userId) { 6831 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6832 PackageSetting pkgSetting; 6833 final int uid = Binder.getCallingUid(); 6834 if (UserHandle.getUserId(uid) != userId) { 6835 mContext.enforceCallingOrSelfPermission( 6836 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6837 "setApplicationBlockedSetting for user " + userId); 6838 } 6839 6840 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6841 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6842 return false; 6843 } 6844 6845 long callingId = Binder.clearCallingIdentity(); 6846 try { 6847 boolean sendAdded = false; 6848 boolean sendRemoved = false; 6849 // writer 6850 synchronized (mPackages) { 6851 pkgSetting = mSettings.mPackages.get(packageName); 6852 if (pkgSetting == null) { 6853 return false; 6854 } 6855 if (pkgSetting.getBlocked(userId) != blocked) { 6856 pkgSetting.setBlocked(blocked, userId); 6857 mSettings.writePackageRestrictionsLPr(userId); 6858 if (blocked) { 6859 sendRemoved = true; 6860 } else { 6861 sendAdded = true; 6862 } 6863 } 6864 } 6865 if (sendAdded) { 6866 sendPackageAddedForUser(packageName, pkgSetting, userId); 6867 return true; 6868 } 6869 if (sendRemoved) { 6870 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6871 "blocking pkg"); 6872 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6873 } 6874 } finally { 6875 Binder.restoreCallingIdentity(callingId); 6876 } 6877 return false; 6878 } 6879 6880 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6881 int userId) { 6882 final PackageRemovedInfo info = new PackageRemovedInfo(); 6883 info.removedPackage = packageName; 6884 info.removedUsers = new int[] {userId}; 6885 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6886 info.sendBroadcast(false, false, false); 6887 } 6888 6889 /** 6890 * Returns true if application is not found or there was an error. Otherwise it returns 6891 * the blocked state of the package for the given user. 6892 */ 6893 @Override 6894 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6895 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6896 PackageSetting pkgSetting; 6897 final int uid = Binder.getCallingUid(); 6898 if (UserHandle.getUserId(uid) != userId) { 6899 mContext.enforceCallingPermission( 6900 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6901 "getApplicationBlocked for user " + userId); 6902 } 6903 long callingId = Binder.clearCallingIdentity(); 6904 try { 6905 // writer 6906 synchronized (mPackages) { 6907 pkgSetting = mSettings.mPackages.get(packageName); 6908 if (pkgSetting == null) { 6909 return true; 6910 } 6911 return pkgSetting.getBlocked(userId); 6912 } 6913 } finally { 6914 Binder.restoreCallingIdentity(callingId); 6915 } 6916 } 6917 6918 /** 6919 * @hide 6920 */ 6921 @Override 6922 public int installExistingPackageAsUser(String packageName, int userId) { 6923 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6924 null); 6925 PackageSetting pkgSetting; 6926 final int uid = Binder.getCallingUid(); 6927 if (UserHandle.getUserId(uid) != userId) { 6928 mContext.enforceCallingPermission( 6929 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6930 "installExistingPackage for user " + userId); 6931 } 6932 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6933 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6934 } 6935 6936 long callingId = Binder.clearCallingIdentity(); 6937 try { 6938 boolean sendAdded = false; 6939 Bundle extras = new Bundle(1); 6940 6941 // writer 6942 synchronized (mPackages) { 6943 pkgSetting = mSettings.mPackages.get(packageName); 6944 if (pkgSetting == null) { 6945 return PackageManager.INSTALL_FAILED_INVALID_URI; 6946 } 6947 if (!pkgSetting.getInstalled(userId)) { 6948 pkgSetting.setInstalled(true, userId); 6949 pkgSetting.setBlocked(false, userId); 6950 mSettings.writePackageRestrictionsLPr(userId); 6951 sendAdded = true; 6952 } 6953 } 6954 6955 if (sendAdded) { 6956 sendPackageAddedForUser(packageName, pkgSetting, userId); 6957 } 6958 } finally { 6959 Binder.restoreCallingIdentity(callingId); 6960 } 6961 6962 return PackageManager.INSTALL_SUCCEEDED; 6963 } 6964 6965 private boolean isUserRestricted(int userId, String restrictionKey) { 6966 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6967 if (restrictions.getBoolean(restrictionKey, false)) { 6968 Log.w(TAG, "User is restricted: " + restrictionKey); 6969 return true; 6970 } 6971 return false; 6972 } 6973 6974 @Override 6975 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6976 mContext.enforceCallingOrSelfPermission( 6977 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6978 "Only package verification agents can verify applications"); 6979 6980 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6981 final PackageVerificationResponse response = new PackageVerificationResponse( 6982 verificationCode, Binder.getCallingUid()); 6983 msg.arg1 = id; 6984 msg.obj = response; 6985 mHandler.sendMessage(msg); 6986 } 6987 6988 @Override 6989 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6990 long millisecondsToDelay) { 6991 mContext.enforceCallingOrSelfPermission( 6992 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6993 "Only package verification agents can extend verification timeouts"); 6994 6995 final PackageVerificationState state = mPendingVerification.get(id); 6996 final PackageVerificationResponse response = new PackageVerificationResponse( 6997 verificationCodeAtTimeout, Binder.getCallingUid()); 6998 6999 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7000 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7001 } 7002 if (millisecondsToDelay < 0) { 7003 millisecondsToDelay = 0; 7004 } 7005 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7006 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7007 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7008 } 7009 7010 if ((state != null) && !state.timeoutExtended()) { 7011 state.extendTimeout(); 7012 7013 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7014 msg.arg1 = id; 7015 msg.obj = response; 7016 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7017 } 7018 } 7019 7020 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7021 int verificationCode, UserHandle user) { 7022 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7023 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7024 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7025 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7026 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7027 7028 mContext.sendBroadcastAsUser(intent, user, 7029 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7030 } 7031 7032 private ComponentName matchComponentForVerifier(String packageName, 7033 List<ResolveInfo> receivers) { 7034 ActivityInfo targetReceiver = null; 7035 7036 final int NR = receivers.size(); 7037 for (int i = 0; i < NR; i++) { 7038 final ResolveInfo info = receivers.get(i); 7039 if (info.activityInfo == null) { 7040 continue; 7041 } 7042 7043 if (packageName.equals(info.activityInfo.packageName)) { 7044 targetReceiver = info.activityInfo; 7045 break; 7046 } 7047 } 7048 7049 if (targetReceiver == null) { 7050 return null; 7051 } 7052 7053 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7054 } 7055 7056 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7057 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7058 if (pkgInfo.verifiers.length == 0) { 7059 return null; 7060 } 7061 7062 final int N = pkgInfo.verifiers.length; 7063 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7064 for (int i = 0; i < N; i++) { 7065 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7066 7067 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7068 receivers); 7069 if (comp == null) { 7070 continue; 7071 } 7072 7073 final int verifierUid = getUidForVerifier(verifierInfo); 7074 if (verifierUid == -1) { 7075 continue; 7076 } 7077 7078 if (DEBUG_VERIFY) { 7079 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7080 + " with the correct signature"); 7081 } 7082 sufficientVerifiers.add(comp); 7083 verificationState.addSufficientVerifier(verifierUid); 7084 } 7085 7086 return sufficientVerifiers; 7087 } 7088 7089 private int getUidForVerifier(VerifierInfo verifierInfo) { 7090 synchronized (mPackages) { 7091 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7092 if (pkg == null) { 7093 return -1; 7094 } else if (pkg.mSignatures.length != 1) { 7095 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7096 + " has more than one signature; ignoring"); 7097 return -1; 7098 } 7099 7100 /* 7101 * If the public key of the package's signature does not match 7102 * our expected public key, then this is a different package and 7103 * we should skip. 7104 */ 7105 7106 final byte[] expectedPublicKey; 7107 try { 7108 final Signature verifierSig = pkg.mSignatures[0]; 7109 final PublicKey publicKey = verifierSig.getPublicKey(); 7110 expectedPublicKey = publicKey.getEncoded(); 7111 } catch (CertificateException e) { 7112 return -1; 7113 } 7114 7115 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7116 7117 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7118 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7119 + " does not have the expected public key; ignoring"); 7120 return -1; 7121 } 7122 7123 return pkg.applicationInfo.uid; 7124 } 7125 } 7126 7127 public void finishPackageInstall(int token) { 7128 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7129 7130 if (DEBUG_INSTALL) { 7131 Slog.v(TAG, "BM finishing package install for " + token); 7132 } 7133 7134 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7135 mHandler.sendMessage(msg); 7136 } 7137 7138 /** 7139 * Get the verification agent timeout. 7140 * 7141 * @return verification timeout in milliseconds 7142 */ 7143 private long getVerificationTimeout() { 7144 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7145 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7146 DEFAULT_VERIFICATION_TIMEOUT); 7147 } 7148 7149 /** 7150 * Get the default verification agent response code. 7151 * 7152 * @return default verification response code 7153 */ 7154 private int getDefaultVerificationResponse() { 7155 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7156 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7157 DEFAULT_VERIFICATION_RESPONSE); 7158 } 7159 7160 /** 7161 * Check whether or not package verification has been enabled. 7162 * 7163 * @return true if verification should be performed 7164 */ 7165 private boolean isVerificationEnabled(int flags) { 7166 if (!DEFAULT_VERIFY_ENABLE) { 7167 return false; 7168 } 7169 7170 // Check if installing from ADB 7171 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7172 // Do not run verification in a test harness environment 7173 if (ActivityManager.isRunningInTestHarness()) { 7174 return false; 7175 } 7176 // Check if the developer does not want package verification for ADB installs 7177 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7178 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7179 return false; 7180 } 7181 } 7182 7183 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7184 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7185 } 7186 7187 /** 7188 * Get the "allow unknown sources" setting. 7189 * 7190 * @return the current "allow unknown sources" setting 7191 */ 7192 private int getUnknownSourcesSettings() { 7193 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7194 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7195 -1); 7196 } 7197 7198 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7199 final int uid = Binder.getCallingUid(); 7200 // writer 7201 synchronized (mPackages) { 7202 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7203 if (targetPackageSetting == null) { 7204 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7205 } 7206 7207 PackageSetting installerPackageSetting; 7208 if (installerPackageName != null) { 7209 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7210 if (installerPackageSetting == null) { 7211 throw new IllegalArgumentException("Unknown installer package: " 7212 + installerPackageName); 7213 } 7214 } else { 7215 installerPackageSetting = null; 7216 } 7217 7218 Signature[] callerSignature; 7219 Object obj = mSettings.getUserIdLPr(uid); 7220 if (obj != null) { 7221 if (obj instanceof SharedUserSetting) { 7222 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7223 } else if (obj instanceof PackageSetting) { 7224 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7225 } else { 7226 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7227 } 7228 } else { 7229 throw new SecurityException("Unknown calling uid " + uid); 7230 } 7231 7232 // Verify: can't set installerPackageName to a package that is 7233 // not signed with the same cert as the caller. 7234 if (installerPackageSetting != null) { 7235 if (compareSignatures(callerSignature, 7236 installerPackageSetting.signatures.mSignatures) 7237 != PackageManager.SIGNATURE_MATCH) { 7238 throw new SecurityException( 7239 "Caller does not have same cert as new installer package " 7240 + installerPackageName); 7241 } 7242 } 7243 7244 // Verify: if target already has an installer package, it must 7245 // be signed with the same cert as the caller. 7246 if (targetPackageSetting.installerPackageName != null) { 7247 PackageSetting setting = mSettings.mPackages.get( 7248 targetPackageSetting.installerPackageName); 7249 // If the currently set package isn't valid, then it's always 7250 // okay to change it. 7251 if (setting != null) { 7252 if (compareSignatures(callerSignature, 7253 setting.signatures.mSignatures) 7254 != PackageManager.SIGNATURE_MATCH) { 7255 throw new SecurityException( 7256 "Caller does not have same cert as old installer package " 7257 + targetPackageSetting.installerPackageName); 7258 } 7259 } 7260 } 7261 7262 // Okay! 7263 targetPackageSetting.installerPackageName = installerPackageName; 7264 scheduleWriteSettingsLocked(); 7265 } 7266 } 7267 7268 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7269 // Queue up an async operation since the package installation may take a little while. 7270 mHandler.post(new Runnable() { 7271 public void run() { 7272 mHandler.removeCallbacks(this); 7273 // Result object to be returned 7274 PackageInstalledInfo res = new PackageInstalledInfo(); 7275 res.returnCode = currentStatus; 7276 res.uid = -1; 7277 res.pkg = null; 7278 res.removedInfo = new PackageRemovedInfo(); 7279 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7280 args.doPreInstall(res.returnCode); 7281 synchronized (mInstallLock) { 7282 installPackageLI(args, true, res); 7283 } 7284 args.doPostInstall(res.returnCode, res.uid); 7285 } 7286 7287 // A restore should be performed at this point if (a) the install 7288 // succeeded, (b) the operation is not an update, and (c) the new 7289 // package has a backupAgent defined. 7290 final boolean update = res.removedInfo.removedPackage != null; 7291 boolean doRestore = (!update 7292 && res.pkg != null 7293 && res.pkg.applicationInfo.backupAgentName != null); 7294 7295 // Set up the post-install work request bookkeeping. This will be used 7296 // and cleaned up by the post-install event handling regardless of whether 7297 // there's a restore pass performed. Token values are >= 1. 7298 int token; 7299 if (mNextInstallToken < 0) mNextInstallToken = 1; 7300 token = mNextInstallToken++; 7301 7302 PostInstallData data = new PostInstallData(args, res); 7303 mRunningInstalls.put(token, data); 7304 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7305 7306 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7307 // Pass responsibility to the Backup Manager. It will perform a 7308 // restore if appropriate, then pass responsibility back to the 7309 // Package Manager to run the post-install observer callbacks 7310 // and broadcasts. 7311 IBackupManager bm = IBackupManager.Stub.asInterface( 7312 ServiceManager.getService(Context.BACKUP_SERVICE)); 7313 if (bm != null) { 7314 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7315 + " to BM for possible restore"); 7316 try { 7317 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7318 } catch (RemoteException e) { 7319 // can't happen; the backup manager is local 7320 } catch (Exception e) { 7321 Slog.e(TAG, "Exception trying to enqueue restore", e); 7322 doRestore = false; 7323 } 7324 } else { 7325 Slog.e(TAG, "Backup Manager not found!"); 7326 doRestore = false; 7327 } 7328 } 7329 7330 if (!doRestore) { 7331 // No restore possible, or the Backup Manager was mysteriously not 7332 // available -- just fire the post-install work request directly. 7333 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7334 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7335 mHandler.sendMessage(msg); 7336 } 7337 } 7338 }); 7339 } 7340 7341 private abstract class HandlerParams { 7342 private static final int MAX_RETRIES = 4; 7343 7344 /** 7345 * Number of times startCopy() has been attempted and had a non-fatal 7346 * error. 7347 */ 7348 private int mRetries = 0; 7349 7350 /** User handle for the user requesting the information or installation. */ 7351 private final UserHandle mUser; 7352 7353 HandlerParams(UserHandle user) { 7354 mUser = user; 7355 } 7356 7357 UserHandle getUser() { 7358 return mUser; 7359 } 7360 7361 final boolean startCopy() { 7362 boolean res; 7363 try { 7364 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7365 7366 if (++mRetries > MAX_RETRIES) { 7367 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7368 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7369 handleServiceError(); 7370 return false; 7371 } else { 7372 handleStartCopy(); 7373 res = true; 7374 } 7375 } catch (RemoteException e) { 7376 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7377 mHandler.sendEmptyMessage(MCS_RECONNECT); 7378 res = false; 7379 } 7380 handleReturnCode(); 7381 return res; 7382 } 7383 7384 final void serviceError() { 7385 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7386 handleServiceError(); 7387 handleReturnCode(); 7388 } 7389 7390 abstract void handleStartCopy() throws RemoteException; 7391 abstract void handleServiceError(); 7392 abstract void handleReturnCode(); 7393 } 7394 7395 class MeasureParams extends HandlerParams { 7396 private final PackageStats mStats; 7397 private boolean mSuccess; 7398 7399 private final IPackageStatsObserver mObserver; 7400 7401 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7402 super(new UserHandle(stats.userHandle)); 7403 mObserver = observer; 7404 mStats = stats; 7405 } 7406 7407 @Override 7408 public String toString() { 7409 return "MeasureParams{" 7410 + Integer.toHexString(System.identityHashCode(this)) 7411 + " " + mStats.packageName + "}"; 7412 } 7413 7414 @Override 7415 void handleStartCopy() throws RemoteException { 7416 synchronized (mInstallLock) { 7417 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7418 } 7419 7420 final boolean mounted; 7421 if (Environment.isExternalStorageEmulated()) { 7422 mounted = true; 7423 } else { 7424 final String status = Environment.getExternalStorageState(); 7425 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7426 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7427 } 7428 7429 if (mounted) { 7430 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7431 7432 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7433 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7434 7435 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7436 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7437 7438 // Always subtract cache size, since it's a subdirectory 7439 mStats.externalDataSize -= mStats.externalCacheSize; 7440 7441 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7442 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7443 7444 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7445 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7446 } 7447 } 7448 7449 @Override 7450 void handleReturnCode() { 7451 if (mObserver != null) { 7452 try { 7453 mObserver.onGetStatsCompleted(mStats, mSuccess); 7454 } catch (RemoteException e) { 7455 Slog.i(TAG, "Observer no longer exists."); 7456 } 7457 } 7458 } 7459 7460 @Override 7461 void handleServiceError() { 7462 Slog.e(TAG, "Could not measure application " + mStats.packageName 7463 + " external storage"); 7464 } 7465 } 7466 7467 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7468 throws RemoteException { 7469 long result = 0; 7470 for (File path : paths) { 7471 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7472 } 7473 return result; 7474 } 7475 7476 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7477 for (File path : paths) { 7478 try { 7479 mcs.clearDirectory(path.getAbsolutePath()); 7480 } catch (RemoteException e) { 7481 } 7482 } 7483 } 7484 7485 class InstallParams extends HandlerParams { 7486 final IPackageInstallObserver observer; 7487 int flags; 7488 7489 private final Uri mPackageURI; 7490 final String installerPackageName; 7491 final VerificationParams verificationParams; 7492 private InstallArgs mArgs; 7493 private int mRet; 7494 private File mTempPackage; 7495 final ContainerEncryptionParams encryptionParams; 7496 7497 InstallParams(Uri packageURI, 7498 IPackageInstallObserver observer, int flags, 7499 String installerPackageName, VerificationParams verificationParams, 7500 ContainerEncryptionParams encryptionParams, UserHandle user) { 7501 super(user); 7502 this.mPackageURI = packageURI; 7503 this.flags = flags; 7504 this.observer = observer; 7505 this.installerPackageName = installerPackageName; 7506 this.verificationParams = verificationParams; 7507 this.encryptionParams = encryptionParams; 7508 } 7509 7510 @Override 7511 public String toString() { 7512 return "InstallParams{" 7513 + Integer.toHexString(System.identityHashCode(this)) 7514 + " " + mPackageURI + "}"; 7515 } 7516 7517 public ManifestDigest getManifestDigest() { 7518 if (verificationParams == null) { 7519 return null; 7520 } 7521 return verificationParams.getManifestDigest(); 7522 } 7523 7524 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7525 String packageName = pkgLite.packageName; 7526 int installLocation = pkgLite.installLocation; 7527 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7528 // reader 7529 synchronized (mPackages) { 7530 PackageParser.Package pkg = mPackages.get(packageName); 7531 if (pkg != null) { 7532 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7533 // Check for downgrading. 7534 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7535 if (pkgLite.versionCode < pkg.mVersionCode) { 7536 Slog.w(TAG, "Can't install update of " + packageName 7537 + " update version " + pkgLite.versionCode 7538 + " is older than installed version " 7539 + pkg.mVersionCode); 7540 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7541 } 7542 } 7543 // Check for updated system application. 7544 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7545 if (onSd) { 7546 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7547 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7548 } 7549 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7550 } else { 7551 if (onSd) { 7552 // Install flag overrides everything. 7553 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7554 } 7555 // If current upgrade specifies particular preference 7556 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7557 // Application explicitly specified internal. 7558 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7559 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7560 // App explictly prefers external. Let policy decide 7561 } else { 7562 // Prefer previous location 7563 if (isExternal(pkg)) { 7564 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7565 } 7566 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7567 } 7568 } 7569 } else { 7570 // Invalid install. Return error code 7571 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7572 } 7573 } 7574 } 7575 // All the special cases have been taken care of. 7576 // Return result based on recommended install location. 7577 if (onSd) { 7578 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7579 } 7580 return pkgLite.recommendedInstallLocation; 7581 } 7582 7583 private long getMemoryLowThreshold() { 7584 final DeviceStorageMonitorInternal 7585 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7586 if (dsm == null) { 7587 return 0L; 7588 } 7589 return dsm.getMemoryLowThreshold(); 7590 } 7591 7592 /* 7593 * Invoke remote method to get package information and install 7594 * location values. Override install location based on default 7595 * policy if needed and then create install arguments based 7596 * on the install location. 7597 */ 7598 public void handleStartCopy() throws RemoteException { 7599 int ret = PackageManager.INSTALL_SUCCEEDED; 7600 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7601 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7602 PackageInfoLite pkgLite = null; 7603 7604 if (onInt && onSd) { 7605 // Check if both bits are set. 7606 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7607 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7608 } else { 7609 final long lowThreshold = getMemoryLowThreshold(); 7610 if (lowThreshold == 0L) { 7611 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7612 } 7613 7614 try { 7615 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7616 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7617 7618 final File packageFile; 7619 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7620 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7621 if (mTempPackage != null) { 7622 ParcelFileDescriptor out; 7623 try { 7624 out = ParcelFileDescriptor.open(mTempPackage, 7625 ParcelFileDescriptor.MODE_READ_WRITE); 7626 } catch (FileNotFoundException e) { 7627 out = null; 7628 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7629 } 7630 7631 // Make a temporary file for decryption. 7632 ret = mContainerService 7633 .copyResource(mPackageURI, encryptionParams, out); 7634 IoUtils.closeQuietly(out); 7635 7636 packageFile = mTempPackage; 7637 7638 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7639 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7640 | FileUtils.S_IROTH, 7641 -1, -1); 7642 } else { 7643 packageFile = null; 7644 } 7645 } else { 7646 packageFile = new File(mPackageURI.getPath()); 7647 } 7648 7649 if (packageFile != null) { 7650 // Remote call to find out default install location 7651 final String packageFilePath = packageFile.getAbsolutePath(); 7652 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7653 lowThreshold); 7654 7655 /* 7656 * If we have too little free space, try to free cache 7657 * before giving up. 7658 */ 7659 if (pkgLite.recommendedInstallLocation 7660 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7661 final long size = mContainerService.calculateInstalledSize( 7662 packageFilePath, isForwardLocked()); 7663 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7664 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7665 flags, lowThreshold); 7666 } 7667 /* 7668 * The cache free must have deleted the file we 7669 * downloaded to install. 7670 * 7671 * TODO: fix the "freeCache" call to not delete 7672 * the file we care about. 7673 */ 7674 if (pkgLite.recommendedInstallLocation 7675 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7676 pkgLite.recommendedInstallLocation 7677 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7678 } 7679 } 7680 } 7681 } finally { 7682 mContext.revokeUriPermission(mPackageURI, 7683 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7684 } 7685 } 7686 7687 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7688 int loc = pkgLite.recommendedInstallLocation; 7689 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7690 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7691 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7692 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7693 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7694 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7695 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7696 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7697 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7698 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7699 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7700 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7701 } else { 7702 // Override with defaults if needed. 7703 loc = installLocationPolicy(pkgLite, flags); 7704 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7705 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7706 } else if (!onSd && !onInt) { 7707 // Override install location with flags 7708 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7709 // Set the flag to install on external media. 7710 flags |= PackageManager.INSTALL_EXTERNAL; 7711 flags &= ~PackageManager.INSTALL_INTERNAL; 7712 } else { 7713 // Make sure the flag for installing on external 7714 // media is unset 7715 flags |= PackageManager.INSTALL_INTERNAL; 7716 flags &= ~PackageManager.INSTALL_EXTERNAL; 7717 } 7718 } 7719 } 7720 } 7721 7722 final InstallArgs args = createInstallArgs(this); 7723 mArgs = args; 7724 7725 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7726 /* 7727 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7728 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7729 */ 7730 int userIdentifier = getUser().getIdentifier(); 7731 if (userIdentifier == UserHandle.USER_ALL 7732 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7733 userIdentifier = UserHandle.USER_OWNER; 7734 } 7735 7736 /* 7737 * Determine if we have any installed package verifiers. If we 7738 * do, then we'll defer to them to verify the packages. 7739 */ 7740 final int requiredUid = mRequiredVerifierPackage == null ? -1 7741 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7742 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7743 final Intent verification = new Intent( 7744 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7745 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7746 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7747 7748 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7749 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7750 0 /* TODO: Which userId? */); 7751 7752 if (DEBUG_VERIFY) { 7753 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7754 + verification.toString() + " with " + pkgLite.verifiers.length 7755 + " optional verifiers"); 7756 } 7757 7758 final int verificationId = mPendingVerificationToken++; 7759 7760 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7761 7762 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7763 installerPackageName); 7764 7765 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7766 7767 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7768 pkgLite.packageName); 7769 7770 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7771 pkgLite.versionCode); 7772 7773 if (verificationParams != null) { 7774 if (verificationParams.getVerificationURI() != null) { 7775 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7776 verificationParams.getVerificationURI()); 7777 } 7778 if (verificationParams.getOriginatingURI() != null) { 7779 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7780 verificationParams.getOriginatingURI()); 7781 } 7782 if (verificationParams.getReferrer() != null) { 7783 verification.putExtra(Intent.EXTRA_REFERRER, 7784 verificationParams.getReferrer()); 7785 } 7786 if (verificationParams.getOriginatingUid() >= 0) { 7787 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7788 verificationParams.getOriginatingUid()); 7789 } 7790 if (verificationParams.getInstallerUid() >= 0) { 7791 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7792 verificationParams.getInstallerUid()); 7793 } 7794 } 7795 7796 final PackageVerificationState verificationState = new PackageVerificationState( 7797 requiredUid, args); 7798 7799 mPendingVerification.append(verificationId, verificationState); 7800 7801 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7802 receivers, verificationState); 7803 7804 /* 7805 * If any sufficient verifiers were listed in the package 7806 * manifest, attempt to ask them. 7807 */ 7808 if (sufficientVerifiers != null) { 7809 final int N = sufficientVerifiers.size(); 7810 if (N == 0) { 7811 Slog.i(TAG, "Additional verifiers required, but none installed."); 7812 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7813 } else { 7814 for (int i = 0; i < N; i++) { 7815 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7816 7817 final Intent sufficientIntent = new Intent(verification); 7818 sufficientIntent.setComponent(verifierComponent); 7819 7820 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7821 } 7822 } 7823 } 7824 7825 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7826 mRequiredVerifierPackage, receivers); 7827 if (ret == PackageManager.INSTALL_SUCCEEDED 7828 && mRequiredVerifierPackage != null) { 7829 /* 7830 * Send the intent to the required verification agent, 7831 * but only start the verification timeout after the 7832 * target BroadcastReceivers have run. 7833 */ 7834 verification.setComponent(requiredVerifierComponent); 7835 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7836 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7837 new BroadcastReceiver() { 7838 @Override 7839 public void onReceive(Context context, Intent intent) { 7840 final Message msg = mHandler 7841 .obtainMessage(CHECK_PENDING_VERIFICATION); 7842 msg.arg1 = verificationId; 7843 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7844 } 7845 }, null, 0, null, null); 7846 7847 /* 7848 * We don't want the copy to proceed until verification 7849 * succeeds, so null out this field. 7850 */ 7851 mArgs = null; 7852 } 7853 } else { 7854 /* 7855 * No package verification is enabled, so immediately start 7856 * the remote call to initiate copy using temporary file. 7857 */ 7858 ret = args.copyApk(mContainerService, true); 7859 } 7860 } 7861 7862 mRet = ret; 7863 } 7864 7865 @Override 7866 void handleReturnCode() { 7867 // If mArgs is null, then MCS couldn't be reached. When it 7868 // reconnects, it will try again to install. At that point, this 7869 // will succeed. 7870 if (mArgs != null) { 7871 processPendingInstall(mArgs, mRet); 7872 7873 if (mTempPackage != null) { 7874 if (!mTempPackage.delete()) { 7875 Slog.w(TAG, "Couldn't delete temporary file: " + 7876 mTempPackage.getAbsolutePath()); 7877 } 7878 } 7879 } 7880 } 7881 7882 @Override 7883 void handleServiceError() { 7884 mArgs = createInstallArgs(this); 7885 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7886 } 7887 7888 public boolean isForwardLocked() { 7889 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7890 } 7891 7892 public Uri getPackageUri() { 7893 if (mTempPackage != null) { 7894 return Uri.fromFile(mTempPackage); 7895 } else { 7896 return mPackageURI; 7897 } 7898 } 7899 } 7900 7901 /* 7902 * Utility class used in movePackage api. 7903 * srcArgs and targetArgs are not set for invalid flags and make 7904 * sure to do null checks when invoking methods on them. 7905 * We probably want to return ErrorPrams for both failed installs 7906 * and moves. 7907 */ 7908 class MoveParams extends HandlerParams { 7909 final IPackageMoveObserver observer; 7910 final int flags; 7911 final String packageName; 7912 final InstallArgs srcArgs; 7913 final InstallArgs targetArgs; 7914 int uid; 7915 int mRet; 7916 7917 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7918 String packageName, String dataDir, int uid, UserHandle user) { 7919 super(user); 7920 this.srcArgs = srcArgs; 7921 this.observer = observer; 7922 this.flags = flags; 7923 this.packageName = packageName; 7924 this.uid = uid; 7925 if (srcArgs != null) { 7926 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7927 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7928 } else { 7929 targetArgs = null; 7930 } 7931 } 7932 7933 @Override 7934 public String toString() { 7935 return "MoveParams{" 7936 + Integer.toHexString(System.identityHashCode(this)) 7937 + " " + packageName + "}"; 7938 } 7939 7940 public void handleStartCopy() throws RemoteException { 7941 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7942 // Check for storage space on target medium 7943 if (!targetArgs.checkFreeStorage(mContainerService)) { 7944 Log.w(TAG, "Insufficient storage to install"); 7945 return; 7946 } 7947 7948 mRet = srcArgs.doPreCopy(); 7949 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7950 return; 7951 } 7952 7953 mRet = targetArgs.copyApk(mContainerService, false); 7954 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7955 srcArgs.doPostCopy(uid); 7956 return; 7957 } 7958 7959 mRet = srcArgs.doPostCopy(uid); 7960 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7961 return; 7962 } 7963 7964 mRet = targetArgs.doPreInstall(mRet); 7965 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7966 return; 7967 } 7968 7969 if (DEBUG_SD_INSTALL) { 7970 StringBuilder builder = new StringBuilder(); 7971 if (srcArgs != null) { 7972 builder.append("src: "); 7973 builder.append(srcArgs.getCodePath()); 7974 } 7975 if (targetArgs != null) { 7976 builder.append(" target : "); 7977 builder.append(targetArgs.getCodePath()); 7978 } 7979 Log.i(TAG, builder.toString()); 7980 } 7981 } 7982 7983 @Override 7984 void handleReturnCode() { 7985 targetArgs.doPostInstall(mRet, uid); 7986 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7987 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7988 currentStatus = PackageManager.MOVE_SUCCEEDED; 7989 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7990 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7991 } 7992 processPendingMove(this, currentStatus); 7993 } 7994 7995 @Override 7996 void handleServiceError() { 7997 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7998 } 7999 } 8000 8001 /** 8002 * Used during creation of InstallArgs 8003 * 8004 * @param flags package installation flags 8005 * @return true if should be installed on external storage 8006 */ 8007 private static boolean installOnSd(int flags) { 8008 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8009 return false; 8010 } 8011 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8012 return true; 8013 } 8014 return false; 8015 } 8016 8017 /** 8018 * Used during creation of InstallArgs 8019 * 8020 * @param flags package installation flags 8021 * @return true if should be installed as forward locked 8022 */ 8023 private static boolean installForwardLocked(int flags) { 8024 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8025 } 8026 8027 private InstallArgs createInstallArgs(InstallParams params) { 8028 if (installOnSd(params.flags) || params.isForwardLocked()) { 8029 return new AsecInstallArgs(params); 8030 } else { 8031 return new FileInstallArgs(params); 8032 } 8033 } 8034 8035 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8036 String nativeLibraryPath) { 8037 final boolean isInAsec; 8038 if (installOnSd(flags)) { 8039 /* Apps on SD card are always in ASEC containers. */ 8040 isInAsec = true; 8041 } else if (installForwardLocked(flags) 8042 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8043 /* 8044 * Forward-locked apps are only in ASEC containers if they're the 8045 * new style 8046 */ 8047 isInAsec = true; 8048 } else { 8049 isInAsec = false; 8050 } 8051 8052 if (isInAsec) { 8053 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8054 installOnSd(flags), installForwardLocked(flags)); 8055 } else { 8056 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8057 } 8058 } 8059 8060 // Used by package mover 8061 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8062 if (installOnSd(flags) || installForwardLocked(flags)) { 8063 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8064 + AsecInstallArgs.RES_FILE_NAME); 8065 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8066 installForwardLocked(flags)); 8067 } else { 8068 return new FileInstallArgs(packageURI, pkgName, dataDir); 8069 } 8070 } 8071 8072 static abstract class InstallArgs { 8073 final IPackageInstallObserver observer; 8074 // Always refers to PackageManager flags only 8075 final int flags; 8076 final Uri packageURI; 8077 final String installerPackageName; 8078 final ManifestDigest manifestDigest; 8079 final UserHandle user; 8080 8081 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8082 String installerPackageName, ManifestDigest manifestDigest, 8083 UserHandle user) { 8084 this.packageURI = packageURI; 8085 this.flags = flags; 8086 this.observer = observer; 8087 this.installerPackageName = installerPackageName; 8088 this.manifestDigest = manifestDigest; 8089 this.user = user; 8090 } 8091 8092 abstract void createCopyFile(); 8093 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8094 abstract int doPreInstall(int status); 8095 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8096 8097 abstract int doPostInstall(int status, int uid); 8098 abstract String getCodePath(); 8099 abstract String getResourcePath(); 8100 abstract String getNativeLibraryPath(); 8101 // Need installer lock especially for dex file removal. 8102 abstract void cleanUpResourcesLI(); 8103 abstract boolean doPostDeleteLI(boolean delete); 8104 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8105 8106 /** 8107 * Called before the source arguments are copied. This is used mostly 8108 * for MoveParams when it needs to read the source file to put it in the 8109 * destination. 8110 */ 8111 int doPreCopy() { 8112 return PackageManager.INSTALL_SUCCEEDED; 8113 } 8114 8115 /** 8116 * Called after the source arguments are copied. This is used mostly for 8117 * MoveParams when it needs to read the source file to put it in the 8118 * destination. 8119 * 8120 * @return 8121 */ 8122 int doPostCopy(int uid) { 8123 return PackageManager.INSTALL_SUCCEEDED; 8124 } 8125 8126 protected boolean isFwdLocked() { 8127 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8128 } 8129 8130 UserHandle getUser() { 8131 return user; 8132 } 8133 } 8134 8135 class FileInstallArgs extends InstallArgs { 8136 File installDir; 8137 String codeFileName; 8138 String resourceFileName; 8139 String libraryPath; 8140 boolean created = false; 8141 8142 FileInstallArgs(InstallParams params) { 8143 super(params.getPackageUri(), params.observer, params.flags, 8144 params.installerPackageName, params.getManifestDigest(), 8145 params.getUser()); 8146 } 8147 8148 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8149 super(null, null, 0, null, null, null); 8150 File codeFile = new File(fullCodePath); 8151 installDir = codeFile.getParentFile(); 8152 codeFileName = fullCodePath; 8153 resourceFileName = fullResourcePath; 8154 libraryPath = nativeLibraryPath; 8155 } 8156 8157 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8158 super(packageURI, null, 0, null, null, null); 8159 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8160 String apkName = getNextCodePath(null, pkgName, ".apk"); 8161 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8162 resourceFileName = getResourcePathFromCodePath(); 8163 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8164 } 8165 8166 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8167 final long lowThreshold; 8168 8169 final DeviceStorageMonitorInternal 8170 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8171 if (dsm == null) { 8172 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8173 lowThreshold = 0L; 8174 } else { 8175 if (dsm.isMemoryLow()) { 8176 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8177 return false; 8178 } 8179 8180 lowThreshold = dsm.getMemoryLowThreshold(); 8181 } 8182 8183 try { 8184 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8185 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8186 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8187 } finally { 8188 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8189 } 8190 } 8191 8192 String getCodePath() { 8193 return codeFileName; 8194 } 8195 8196 void createCopyFile() { 8197 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8198 codeFileName = createTempPackageFile(installDir).getPath(); 8199 resourceFileName = getResourcePathFromCodePath(); 8200 libraryPath = getLibraryPathFromCodePath(); 8201 created = true; 8202 } 8203 8204 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8205 if (temp) { 8206 // Generate temp file name 8207 createCopyFile(); 8208 } 8209 // Get a ParcelFileDescriptor to write to the output file 8210 File codeFile = new File(codeFileName); 8211 if (!created) { 8212 try { 8213 codeFile.createNewFile(); 8214 // Set permissions 8215 if (!setPermissions()) { 8216 // Failed setting permissions. 8217 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8218 } 8219 } catch (IOException e) { 8220 Slog.w(TAG, "Failed to create file " + codeFile); 8221 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8222 } 8223 } 8224 ParcelFileDescriptor out = null; 8225 try { 8226 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8227 } catch (FileNotFoundException e) { 8228 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8229 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8230 } 8231 // Copy the resource now 8232 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8233 try { 8234 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8235 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8236 ret = imcs.copyResource(packageURI, null, out); 8237 } finally { 8238 IoUtils.closeQuietly(out); 8239 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8240 } 8241 8242 if (isFwdLocked()) { 8243 final File destResourceFile = new File(getResourcePath()); 8244 8245 // Copy the public files 8246 try { 8247 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8248 } catch (IOException e) { 8249 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8250 + " forward-locked app."); 8251 destResourceFile.delete(); 8252 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8253 } 8254 } 8255 8256 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8257 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8258 if (nativeLibraryFile.exists()) { 8259 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8260 nativeLibraryFile.delete(); 8261 } 8262 try { 8263 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8264 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8265 return copyRet; 8266 } 8267 } catch (IOException e) { 8268 Slog.e(TAG, "Copying native libraries failed", e); 8269 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8270 } 8271 8272 return ret; 8273 } 8274 8275 int doPreInstall(int status) { 8276 if (status != PackageManager.INSTALL_SUCCEEDED) { 8277 cleanUp(); 8278 } 8279 return status; 8280 } 8281 8282 boolean doRename(int status, final String pkgName, String oldCodePath) { 8283 if (status != PackageManager.INSTALL_SUCCEEDED) { 8284 cleanUp(); 8285 return false; 8286 } else { 8287 final File oldCodeFile = new File(getCodePath()); 8288 final File oldResourceFile = new File(getResourcePath()); 8289 final File oldLibraryFile = new File(getNativeLibraryPath()); 8290 8291 // Rename APK file based on packageName 8292 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8293 final File newCodeFile = new File(installDir, apkName + ".apk"); 8294 if (!oldCodeFile.renameTo(newCodeFile)) { 8295 return false; 8296 } 8297 codeFileName = newCodeFile.getPath(); 8298 8299 // Rename public resource file if it's forward-locked. 8300 final File newResFile = new File(getResourcePathFromCodePath()); 8301 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8302 return false; 8303 } 8304 resourceFileName = newResFile.getPath(); 8305 8306 // Rename library path 8307 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8308 if (newLibraryFile.exists()) { 8309 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8310 newLibraryFile.delete(); 8311 } 8312 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8313 Slog.e(TAG, "Cannot rename native library directory " 8314 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8315 return false; 8316 } 8317 libraryPath = newLibraryFile.getPath(); 8318 8319 // Attempt to set permissions 8320 if (!setPermissions()) { 8321 return false; 8322 } 8323 8324 if (!SELinux.restorecon(newCodeFile)) { 8325 return false; 8326 } 8327 8328 return true; 8329 } 8330 } 8331 8332 int doPostInstall(int status, int uid) { 8333 if (status != PackageManager.INSTALL_SUCCEEDED) { 8334 cleanUp(); 8335 } 8336 return status; 8337 } 8338 8339 String getResourcePath() { 8340 return resourceFileName; 8341 } 8342 8343 private String getResourcePathFromCodePath() { 8344 final String codePath = getCodePath(); 8345 if (isFwdLocked()) { 8346 final StringBuilder sb = new StringBuilder(); 8347 8348 sb.append(mAppInstallDir.getPath()); 8349 sb.append('/'); 8350 sb.append(getApkName(codePath)); 8351 sb.append(".zip"); 8352 8353 /* 8354 * If our APK is a temporary file, mark the resource as a 8355 * temporary file as well so it can be cleaned up after 8356 * catastrophic failure. 8357 */ 8358 if (codePath.endsWith(".tmp")) { 8359 sb.append(".tmp"); 8360 } 8361 8362 return sb.toString(); 8363 } else { 8364 return codePath; 8365 } 8366 } 8367 8368 private String getLibraryPathFromCodePath() { 8369 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8370 } 8371 8372 @Override 8373 String getNativeLibraryPath() { 8374 if (libraryPath == null) { 8375 libraryPath = getLibraryPathFromCodePath(); 8376 } 8377 return libraryPath; 8378 } 8379 8380 private boolean cleanUp() { 8381 boolean ret = true; 8382 String sourceDir = getCodePath(); 8383 String publicSourceDir = getResourcePath(); 8384 if (sourceDir != null) { 8385 File sourceFile = new File(sourceDir); 8386 if (!sourceFile.exists()) { 8387 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8388 ret = false; 8389 } 8390 // Delete application's code and resources 8391 sourceFile.delete(); 8392 } 8393 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8394 final File publicSourceFile = new File(publicSourceDir); 8395 if (!publicSourceFile.exists()) { 8396 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8397 } 8398 if (publicSourceFile.exists()) { 8399 publicSourceFile.delete(); 8400 } 8401 } 8402 8403 if (libraryPath != null) { 8404 File nativeLibraryFile = new File(libraryPath); 8405 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8406 if (!nativeLibraryFile.delete()) { 8407 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8408 } 8409 } 8410 8411 return ret; 8412 } 8413 8414 void cleanUpResourcesLI() { 8415 String sourceDir = getCodePath(); 8416 if (cleanUp()) { 8417 int retCode = mInstaller.rmdex(sourceDir); 8418 if (retCode < 0) { 8419 Slog.w(TAG, "Couldn't remove dex file for package: " 8420 + " at location " 8421 + sourceDir + ", retcode=" + retCode); 8422 // we don't consider this to be a failure of the core package deletion 8423 } 8424 } 8425 } 8426 8427 private boolean setPermissions() { 8428 // TODO Do this in a more elegant way later on. for now just a hack 8429 if (!isFwdLocked()) { 8430 final int filePermissions = 8431 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8432 |FileUtils.S_IROTH; 8433 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8434 if (retCode != 0) { 8435 Slog.e(TAG, "Couldn't set new package file permissions for " + 8436 getCodePath() 8437 + ". The return code was: " + retCode); 8438 // TODO Define new internal error 8439 return false; 8440 } 8441 return true; 8442 } 8443 return true; 8444 } 8445 8446 boolean doPostDeleteLI(boolean delete) { 8447 // XXX err, shouldn't we respect the delete flag? 8448 cleanUpResourcesLI(); 8449 return true; 8450 } 8451 } 8452 8453 private boolean isAsecExternal(String cid) { 8454 final String asecPath = PackageHelper.getSdFilesystem(cid); 8455 return !asecPath.startsWith(mAsecInternalPath); 8456 } 8457 8458 /** 8459 * Extract the MountService "container ID" from the full code path of an 8460 * .apk. 8461 */ 8462 static String cidFromCodePath(String fullCodePath) { 8463 int eidx = fullCodePath.lastIndexOf("/"); 8464 String subStr1 = fullCodePath.substring(0, eidx); 8465 int sidx = subStr1.lastIndexOf("/"); 8466 return subStr1.substring(sidx+1, eidx); 8467 } 8468 8469 class AsecInstallArgs extends InstallArgs { 8470 static final String RES_FILE_NAME = "pkg.apk"; 8471 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8472 8473 String cid; 8474 String packagePath; 8475 String resourcePath; 8476 String libraryPath; 8477 8478 AsecInstallArgs(InstallParams params) { 8479 super(params.getPackageUri(), params.observer, params.flags, 8480 params.installerPackageName, params.getManifestDigest(), 8481 params.getUser()); 8482 } 8483 8484 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8485 boolean isExternal, boolean isForwardLocked) { 8486 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8487 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8488 null, null, null); 8489 // Extract cid from fullCodePath 8490 int eidx = fullCodePath.lastIndexOf("/"); 8491 String subStr1 = fullCodePath.substring(0, eidx); 8492 int sidx = subStr1.lastIndexOf("/"); 8493 cid = subStr1.substring(sidx+1, eidx); 8494 setCachePath(subStr1); 8495 } 8496 8497 AsecInstallArgs(String cid, boolean isForwardLocked) { 8498 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8499 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8500 null, null, null); 8501 this.cid = cid; 8502 setCachePath(PackageHelper.getSdDir(cid)); 8503 } 8504 8505 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8506 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8507 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8508 null, null, null); 8509 this.cid = cid; 8510 } 8511 8512 void createCopyFile() { 8513 cid = getTempContainerId(); 8514 } 8515 8516 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8517 try { 8518 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8519 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8520 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8521 } finally { 8522 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8523 } 8524 } 8525 8526 private final boolean isExternal() { 8527 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8528 } 8529 8530 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8531 if (temp) { 8532 createCopyFile(); 8533 } else { 8534 /* 8535 * Pre-emptively destroy the container since it's destroyed if 8536 * copying fails due to it existing anyway. 8537 */ 8538 PackageHelper.destroySdDir(cid); 8539 } 8540 8541 final String newCachePath; 8542 try { 8543 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8544 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8545 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8546 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8547 } finally { 8548 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8549 } 8550 8551 if (newCachePath != null) { 8552 setCachePath(newCachePath); 8553 return PackageManager.INSTALL_SUCCEEDED; 8554 } else { 8555 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8556 } 8557 } 8558 8559 @Override 8560 String getCodePath() { 8561 return packagePath; 8562 } 8563 8564 @Override 8565 String getResourcePath() { 8566 return resourcePath; 8567 } 8568 8569 @Override 8570 String getNativeLibraryPath() { 8571 return libraryPath; 8572 } 8573 8574 int doPreInstall(int status) { 8575 if (status != PackageManager.INSTALL_SUCCEEDED) { 8576 // Destroy container 8577 PackageHelper.destroySdDir(cid); 8578 } else { 8579 boolean mounted = PackageHelper.isContainerMounted(cid); 8580 if (!mounted) { 8581 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8582 Process.SYSTEM_UID); 8583 if (newCachePath != null) { 8584 setCachePath(newCachePath); 8585 } else { 8586 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8587 } 8588 } 8589 } 8590 return status; 8591 } 8592 8593 boolean doRename(int status, final String pkgName, 8594 String oldCodePath) { 8595 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8596 String newCachePath = null; 8597 if (PackageHelper.isContainerMounted(cid)) { 8598 // Unmount the container 8599 if (!PackageHelper.unMountSdDir(cid)) { 8600 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8601 return false; 8602 } 8603 } 8604 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8605 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8606 " which might be stale. Will try to clean up."); 8607 // Clean up the stale container and proceed to recreate. 8608 if (!PackageHelper.destroySdDir(newCacheId)) { 8609 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8610 return false; 8611 } 8612 // Successfully cleaned up stale container. Try to rename again. 8613 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8614 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8615 + " inspite of cleaning it up."); 8616 return false; 8617 } 8618 } 8619 if (!PackageHelper.isContainerMounted(newCacheId)) { 8620 Slog.w(TAG, "Mounting container " + newCacheId); 8621 newCachePath = PackageHelper.mountSdDir(newCacheId, 8622 getEncryptKey(), Process.SYSTEM_UID); 8623 } else { 8624 newCachePath = PackageHelper.getSdDir(newCacheId); 8625 } 8626 if (newCachePath == null) { 8627 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8628 return false; 8629 } 8630 Log.i(TAG, "Succesfully renamed " + cid + 8631 " to " + newCacheId + 8632 " at new path: " + newCachePath); 8633 cid = newCacheId; 8634 setCachePath(newCachePath); 8635 return true; 8636 } 8637 8638 private void setCachePath(String newCachePath) { 8639 File cachePath = new File(newCachePath); 8640 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8641 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8642 8643 if (isFwdLocked()) { 8644 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8645 } else { 8646 resourcePath = packagePath; 8647 } 8648 } 8649 8650 int doPostInstall(int status, int uid) { 8651 if (status != PackageManager.INSTALL_SUCCEEDED) { 8652 cleanUp(); 8653 } else { 8654 final int groupOwner; 8655 final String protectedFile; 8656 if (isFwdLocked()) { 8657 groupOwner = UserHandle.getSharedAppGid(uid); 8658 protectedFile = RES_FILE_NAME; 8659 } else { 8660 groupOwner = -1; 8661 protectedFile = null; 8662 } 8663 8664 if (uid < Process.FIRST_APPLICATION_UID 8665 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8666 Slog.e(TAG, "Failed to finalize " + cid); 8667 PackageHelper.destroySdDir(cid); 8668 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8669 } 8670 8671 boolean mounted = PackageHelper.isContainerMounted(cid); 8672 if (!mounted) { 8673 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8674 } 8675 } 8676 return status; 8677 } 8678 8679 private void cleanUp() { 8680 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8681 8682 // Destroy secure container 8683 PackageHelper.destroySdDir(cid); 8684 } 8685 8686 void cleanUpResourcesLI() { 8687 String sourceFile = getCodePath(); 8688 // Remove dex file 8689 int retCode = mInstaller.rmdex(sourceFile); 8690 if (retCode < 0) { 8691 Slog.w(TAG, "Couldn't remove dex file for package: " 8692 + " at location " 8693 + sourceFile.toString() + ", retcode=" + retCode); 8694 // we don't consider this to be a failure of the core package deletion 8695 } 8696 cleanUp(); 8697 } 8698 8699 boolean matchContainer(String app) { 8700 if (cid.startsWith(app)) { 8701 return true; 8702 } 8703 return false; 8704 } 8705 8706 String getPackageName() { 8707 return getAsecPackageName(cid); 8708 } 8709 8710 boolean doPostDeleteLI(boolean delete) { 8711 boolean ret = false; 8712 boolean mounted = PackageHelper.isContainerMounted(cid); 8713 if (mounted) { 8714 // Unmount first 8715 ret = PackageHelper.unMountSdDir(cid); 8716 } 8717 if (ret && delete) { 8718 cleanUpResourcesLI(); 8719 } 8720 return ret; 8721 } 8722 8723 @Override 8724 int doPreCopy() { 8725 if (isFwdLocked()) { 8726 if (!PackageHelper.fixSdPermissions(cid, 8727 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8728 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8729 } 8730 } 8731 8732 return PackageManager.INSTALL_SUCCEEDED; 8733 } 8734 8735 @Override 8736 int doPostCopy(int uid) { 8737 if (isFwdLocked()) { 8738 if (uid < Process.FIRST_APPLICATION_UID 8739 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8740 RES_FILE_NAME)) { 8741 Slog.e(TAG, "Failed to finalize " + cid); 8742 PackageHelper.destroySdDir(cid); 8743 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8744 } 8745 } 8746 8747 return PackageManager.INSTALL_SUCCEEDED; 8748 } 8749 }; 8750 8751 static String getAsecPackageName(String packageCid) { 8752 int idx = packageCid.lastIndexOf("-"); 8753 if (idx == -1) { 8754 return packageCid; 8755 } 8756 return packageCid.substring(0, idx); 8757 } 8758 8759 // Utility method used to create code paths based on package name and available index. 8760 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8761 String idxStr = ""; 8762 int idx = 1; 8763 // Fall back to default value of idx=1 if prefix is not 8764 // part of oldCodePath 8765 if (oldCodePath != null) { 8766 String subStr = oldCodePath; 8767 // Drop the suffix right away 8768 if (subStr.endsWith(suffix)) { 8769 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8770 } 8771 // If oldCodePath already contains prefix find out the 8772 // ending index to either increment or decrement. 8773 int sidx = subStr.lastIndexOf(prefix); 8774 if (sidx != -1) { 8775 subStr = subStr.substring(sidx + prefix.length()); 8776 if (subStr != null) { 8777 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8778 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8779 } 8780 try { 8781 idx = Integer.parseInt(subStr); 8782 if (idx <= 1) { 8783 idx++; 8784 } else { 8785 idx--; 8786 } 8787 } catch(NumberFormatException e) { 8788 } 8789 } 8790 } 8791 } 8792 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8793 return prefix + idxStr; 8794 } 8795 8796 // Utility method used to ignore ADD/REMOVE events 8797 // by directory observer. 8798 private static boolean ignoreCodePath(String fullPathStr) { 8799 String apkName = getApkName(fullPathStr); 8800 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8801 if (idx != -1 && ((idx+1) < apkName.length())) { 8802 // Make sure the package ends with a numeral 8803 String version = apkName.substring(idx+1); 8804 try { 8805 Integer.parseInt(version); 8806 return true; 8807 } catch (NumberFormatException e) {} 8808 } 8809 return false; 8810 } 8811 8812 // Utility method that returns the relative package path with respect 8813 // to the installation directory. Like say for /data/data/com.test-1.apk 8814 // string com.test-1 is returned. 8815 static String getApkName(String codePath) { 8816 if (codePath == null) { 8817 return null; 8818 } 8819 int sidx = codePath.lastIndexOf("/"); 8820 int eidx = codePath.lastIndexOf("."); 8821 if (eidx == -1) { 8822 eidx = codePath.length(); 8823 } else if (eidx == 0) { 8824 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8825 return null; 8826 } 8827 return codePath.substring(sidx+1, eidx); 8828 } 8829 8830 class PackageInstalledInfo { 8831 String name; 8832 int uid; 8833 // The set of users that originally had this package installed. 8834 int[] origUsers; 8835 // The set of users that now have this package installed. 8836 int[] newUsers; 8837 PackageParser.Package pkg; 8838 int returnCode; 8839 PackageRemovedInfo removedInfo; 8840 } 8841 8842 /* 8843 * Install a non-existing package. 8844 */ 8845 private void installNewPackageLI(PackageParser.Package pkg, 8846 int parseFlags, int scanMode, UserHandle user, 8847 String installerPackageName, PackageInstalledInfo res) { 8848 // Remember this for later, in case we need to rollback this install 8849 String pkgName = pkg.packageName; 8850 8851 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8852 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8853 synchronized(mPackages) { 8854 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8855 // A package with the same name is already installed, though 8856 // it has been renamed to an older name. The package we 8857 // are trying to install should be installed as an update to 8858 // the existing one, but that has not been requested, so bail. 8859 Slog.w(TAG, "Attempt to re-install " + pkgName 8860 + " without first uninstalling package running as " 8861 + mSettings.mRenamedPackages.get(pkgName)); 8862 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8863 return; 8864 } 8865 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8866 // Don't allow installation over an existing package with the same name. 8867 Slog.w(TAG, "Attempt to re-install " + pkgName 8868 + " without first uninstalling."); 8869 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8870 return; 8871 } 8872 } 8873 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8874 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8875 System.currentTimeMillis(), user); 8876 if (newPackage == null) { 8877 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8878 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8879 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8880 } 8881 } else { 8882 updateSettingsLI(newPackage, 8883 installerPackageName, 8884 null, null, 8885 res); 8886 // delete the partially installed application. the data directory will have to be 8887 // restored if it was already existing 8888 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8889 // remove package from internal structures. Note that we want deletePackageX to 8890 // delete the package data and cache directories that it created in 8891 // scanPackageLocked, unless those directories existed before we even tried to 8892 // install. 8893 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8894 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8895 res.removedInfo, true); 8896 } 8897 } 8898 } 8899 8900 private void replacePackageLI(PackageParser.Package pkg, 8901 int parseFlags, int scanMode, UserHandle user, 8902 String installerPackageName, PackageInstalledInfo res) { 8903 8904 PackageParser.Package oldPackage; 8905 String pkgName = pkg.packageName; 8906 int[] allUsers; 8907 boolean[] perUserInstalled; 8908 8909 // First find the old package info and check signatures 8910 synchronized(mPackages) { 8911 oldPackage = mPackages.get(pkgName); 8912 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8913 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8914 != PackageManager.SIGNATURE_MATCH) { 8915 Slog.w(TAG, "New package has a different signature: " + pkgName); 8916 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8917 return; 8918 } 8919 8920 // In case of rollback, remember per-user/profile install state 8921 PackageSetting ps = mSettings.mPackages.get(pkgName); 8922 allUsers = sUserManager.getUserIds(); 8923 perUserInstalled = new boolean[allUsers.length]; 8924 for (int i = 0; i < allUsers.length; i++) { 8925 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8926 } 8927 } 8928 boolean sysPkg = (isSystemApp(oldPackage)); 8929 if (sysPkg) { 8930 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8931 user, allUsers, perUserInstalled, installerPackageName, res); 8932 } else { 8933 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8934 user, allUsers, perUserInstalled, installerPackageName, res); 8935 } 8936 } 8937 8938 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8939 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8940 int[] allUsers, boolean[] perUserInstalled, 8941 String installerPackageName, PackageInstalledInfo res) { 8942 PackageParser.Package newPackage = null; 8943 String pkgName = deletedPackage.packageName; 8944 boolean deletedPkg = true; 8945 boolean updatedSettings = false; 8946 8947 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8948 + deletedPackage); 8949 long origUpdateTime; 8950 if (pkg.mExtras != null) { 8951 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8952 } else { 8953 origUpdateTime = 0; 8954 } 8955 8956 // First delete the existing package while retaining the data directory 8957 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8958 res.removedInfo, true)) { 8959 // If the existing package wasn't successfully deleted 8960 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8961 deletedPkg = false; 8962 } else { 8963 // Successfully deleted the old package. Now proceed with re-installation 8964 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8965 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8966 System.currentTimeMillis(), user); 8967 if (newPackage == null) { 8968 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8969 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8970 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8971 } 8972 } else { 8973 updateSettingsLI(newPackage, 8974 installerPackageName, 8975 allUsers, perUserInstalled, 8976 res); 8977 updatedSettings = true; 8978 } 8979 } 8980 8981 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8982 // remove package from internal structures. Note that we want deletePackageX to 8983 // delete the package data and cache directories that it created in 8984 // scanPackageLocked, unless those directories existed before we even tried to 8985 // install. 8986 if(updatedSettings) { 8987 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8988 deletePackageLI( 8989 pkgName, null, true, allUsers, perUserInstalled, 8990 PackageManager.DELETE_KEEP_DATA, 8991 res.removedInfo, true); 8992 } 8993 // Since we failed to install the new package we need to restore the old 8994 // package that we deleted. 8995 if(deletedPkg) { 8996 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8997 File restoreFile = new File(deletedPackage.mPath); 8998 // Parse old package 8999 boolean oldOnSd = isExternal(deletedPackage); 9000 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9001 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9002 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9003 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9004 | SCAN_UPDATE_TIME; 9005 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9006 origUpdateTime, null) == null) { 9007 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9008 return; 9009 } 9010 // Restore of old package succeeded. Update permissions. 9011 // writer 9012 synchronized (mPackages) { 9013 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9014 UPDATE_PERMISSIONS_ALL); 9015 // can downgrade to reader 9016 mSettings.writeLPr(); 9017 } 9018 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9019 } 9020 } 9021 } 9022 9023 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9024 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9025 int[] allUsers, boolean[] perUserInstalled, 9026 String installerPackageName, PackageInstalledInfo res) { 9027 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9028 + ", old=" + deletedPackage); 9029 PackageParser.Package newPackage = null; 9030 boolean updatedSettings = false; 9031 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9032 PackageParser.PARSE_IS_SYSTEM; 9033 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9034 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9035 } 9036 String packageName = deletedPackage.packageName; 9037 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9038 if (packageName == null) { 9039 Slog.w(TAG, "Attempt to delete null packageName."); 9040 return; 9041 } 9042 PackageParser.Package oldPkg; 9043 PackageSetting oldPkgSetting; 9044 // reader 9045 synchronized (mPackages) { 9046 oldPkg = mPackages.get(packageName); 9047 oldPkgSetting = mSettings.mPackages.get(packageName); 9048 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9049 (oldPkgSetting == null)) { 9050 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9051 return; 9052 } 9053 } 9054 9055 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9056 9057 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9058 res.removedInfo.removedPackage = packageName; 9059 // Remove existing system package 9060 removePackageLI(oldPkgSetting, true); 9061 // writer 9062 synchronized (mPackages) { 9063 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9064 // We didn't need to disable the .apk as a current system package, 9065 // which means we are replacing another update that is already 9066 // installed. We need to make sure to delete the older one's .apk. 9067 res.removedInfo.args = createInstallArgs(0, 9068 deletedPackage.applicationInfo.sourceDir, 9069 deletedPackage.applicationInfo.publicSourceDir, 9070 deletedPackage.applicationInfo.nativeLibraryDir); 9071 } else { 9072 res.removedInfo.args = null; 9073 } 9074 } 9075 9076 // Successfully disabled the old package. Now proceed with re-installation 9077 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9078 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9079 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9080 if (newPackage == null) { 9081 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9082 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9083 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9084 } 9085 } else { 9086 if (newPackage.mExtras != null) { 9087 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9088 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9089 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9090 } 9091 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9092 updatedSettings = true; 9093 } 9094 9095 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9096 // Re installation failed. Restore old information 9097 // Remove new pkg information 9098 if (newPackage != null) { 9099 removeInstalledPackageLI(newPackage, true); 9100 } 9101 // Add back the old system package 9102 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9103 // Restore the old system information in Settings 9104 synchronized(mPackages) { 9105 if (updatedSettings) { 9106 mSettings.enableSystemPackageLPw(packageName); 9107 mSettings.setInstallerPackageName(packageName, 9108 oldPkgSetting.installerPackageName); 9109 } 9110 mSettings.writeLPr(); 9111 } 9112 } 9113 } 9114 9115 // Utility method used to move dex files during install. 9116 private int moveDexFilesLI(PackageParser.Package newPackage) { 9117 int retCode; 9118 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9119 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9120 if (retCode != 0) { 9121 if (mNoDexOpt) { 9122 /* 9123 * If we're in an engineering build, programs are lazily run 9124 * through dexopt. If the .dex file doesn't exist yet, it 9125 * will be created when the program is run next. 9126 */ 9127 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9128 } else { 9129 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9130 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9131 } 9132 } 9133 } 9134 return PackageManager.INSTALL_SUCCEEDED; 9135 } 9136 9137 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9138 int[] allUsers, boolean[] perUserInstalled, 9139 PackageInstalledInfo res) { 9140 String pkgName = newPackage.packageName; 9141 synchronized (mPackages) { 9142 //write settings. the installStatus will be incomplete at this stage. 9143 //note that the new package setting would have already been 9144 //added to mPackages. It hasn't been persisted yet. 9145 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9146 mSettings.writeLPr(); 9147 } 9148 9149 if ((res.returnCode = moveDexFilesLI(newPackage)) 9150 != PackageManager.INSTALL_SUCCEEDED) { 9151 // Discontinue if moving dex files failed. 9152 return; 9153 } 9154 9155 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9156 9157 synchronized (mPackages) { 9158 updatePermissionsLPw(newPackage.packageName, newPackage, 9159 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9160 ? UPDATE_PERMISSIONS_ALL : 0)); 9161 // For system-bundled packages, we assume that installing an upgraded version 9162 // of the package implies that the user actually wants to run that new code, 9163 // so we enable the package. 9164 if (isSystemApp(newPackage)) { 9165 // NB: implicit assumption that system package upgrades apply to all users 9166 if (DEBUG_INSTALL) { 9167 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9168 } 9169 PackageSetting ps = mSettings.mPackages.get(pkgName); 9170 if (ps != null) { 9171 if (res.origUsers != null) { 9172 for (int userHandle : res.origUsers) { 9173 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9174 userHandle, installerPackageName); 9175 } 9176 } 9177 // Also convey the prior install/uninstall state 9178 if (allUsers != null && perUserInstalled != null) { 9179 for (int i = 0; i < allUsers.length; i++) { 9180 if (DEBUG_INSTALL) { 9181 Slog.d(TAG, " user " + allUsers[i] 9182 + " => " + perUserInstalled[i]); 9183 } 9184 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9185 } 9186 // these install state changes will be persisted in the 9187 // upcoming call to mSettings.writeLPr(). 9188 } 9189 } 9190 } 9191 res.name = pkgName; 9192 res.uid = newPackage.applicationInfo.uid; 9193 res.pkg = newPackage; 9194 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9195 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9196 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9197 //to update install status 9198 mSettings.writeLPr(); 9199 } 9200 } 9201 9202 private void installPackageLI(InstallArgs args, 9203 boolean newInstall, PackageInstalledInfo res) { 9204 int pFlags = args.flags; 9205 String installerPackageName = args.installerPackageName; 9206 File tmpPackageFile = new File(args.getCodePath()); 9207 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9208 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9209 boolean replace = false; 9210 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9211 | (newInstall ? SCAN_NEW_INSTALL : 0); 9212 // Result object to be returned 9213 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9214 9215 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9216 // Retrieve PackageSettings and parse package 9217 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9218 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9219 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9220 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9221 pp.setSeparateProcesses(mSeparateProcesses); 9222 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9223 null, mMetrics, parseFlags); 9224 if (pkg == null) { 9225 res.returnCode = pp.getParseError(); 9226 return; 9227 } 9228 String pkgName = res.name = pkg.packageName; 9229 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9230 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9231 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9232 return; 9233 } 9234 } 9235 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9236 res.returnCode = pp.getParseError(); 9237 return; 9238 } 9239 9240 /* If the installer passed in a manifest digest, compare it now. */ 9241 if (args.manifestDigest != null) { 9242 if (DEBUG_INSTALL) { 9243 final String parsedManifest = pkg.manifestDigest == null ? "null" 9244 : pkg.manifestDigest.toString(); 9245 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9246 + parsedManifest); 9247 } 9248 9249 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9250 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9251 return; 9252 } 9253 } else if (DEBUG_INSTALL) { 9254 final String parsedManifest = pkg.manifestDigest == null 9255 ? "null" : pkg.manifestDigest.toString(); 9256 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9257 } 9258 9259 // Get rid of all references to package scan path via parser. 9260 pp = null; 9261 String oldCodePath = null; 9262 boolean systemApp = false; 9263 synchronized (mPackages) { 9264 // Check if installing already existing package 9265 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9266 String oldName = mSettings.mRenamedPackages.get(pkgName); 9267 if (pkg.mOriginalPackages != null 9268 && pkg.mOriginalPackages.contains(oldName) 9269 && mPackages.containsKey(oldName)) { 9270 // This package is derived from an original package, 9271 // and this device has been updating from that original 9272 // name. We must continue using the original name, so 9273 // rename the new package here. 9274 pkg.setPackageName(oldName); 9275 pkgName = pkg.packageName; 9276 replace = true; 9277 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9278 + oldName + " pkgName=" + pkgName); 9279 } else if (mPackages.containsKey(pkgName)) { 9280 // This package, under its official name, already exists 9281 // on the device; we should replace it. 9282 replace = true; 9283 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9284 } 9285 } 9286 PackageSetting ps = mSettings.mPackages.get(pkgName); 9287 if (ps != null) { 9288 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9289 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9290 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9291 systemApp = (ps.pkg.applicationInfo.flags & 9292 ApplicationInfo.FLAG_SYSTEM) != 0; 9293 } 9294 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9295 } 9296 } 9297 9298 if (systemApp && onSd) { 9299 // Disable updates to system apps on sdcard 9300 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9301 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9302 return; 9303 } 9304 9305 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9306 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9307 return; 9308 } 9309 // Set application objects path explicitly after the rename 9310 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9311 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9312 if (replace) { 9313 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9314 installerPackageName, res); 9315 } else { 9316 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9317 installerPackageName, res); 9318 } 9319 synchronized (mPackages) { 9320 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9321 if (ps != null) { 9322 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9323 } 9324 } 9325 } 9326 9327 private static boolean isForwardLocked(PackageParser.Package pkg) { 9328 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9329 } 9330 9331 9332 private boolean isForwardLocked(PackageSetting ps) { 9333 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9334 } 9335 9336 private static boolean isExternal(PackageParser.Package pkg) { 9337 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9338 } 9339 9340 private static boolean isExternal(PackageSetting ps) { 9341 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9342 } 9343 9344 private static boolean isSystemApp(PackageParser.Package pkg) { 9345 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9346 } 9347 9348 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9349 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9350 } 9351 9352 private static boolean isSystemApp(ApplicationInfo info) { 9353 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9354 } 9355 9356 private static boolean isSystemApp(PackageSetting ps) { 9357 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9358 } 9359 9360 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9361 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9362 } 9363 9364 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9365 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9366 } 9367 9368 private int packageFlagsToInstallFlags(PackageSetting ps) { 9369 int installFlags = 0; 9370 if (isExternal(ps)) { 9371 installFlags |= PackageManager.INSTALL_EXTERNAL; 9372 } 9373 if (isForwardLocked(ps)) { 9374 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9375 } 9376 return installFlags; 9377 } 9378 9379 private void deleteTempPackageFiles() { 9380 final FilenameFilter filter = new FilenameFilter() { 9381 public boolean accept(File dir, String name) { 9382 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9383 } 9384 }; 9385 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9386 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9387 } 9388 9389 private static final void deleteTempPackageFilesInDirectory(File directory, 9390 FilenameFilter filter) { 9391 final String[] tmpFilesList = directory.list(filter); 9392 if (tmpFilesList == null) { 9393 return; 9394 } 9395 for (int i = 0; i < tmpFilesList.length; i++) { 9396 final File tmpFile = new File(directory, tmpFilesList[i]); 9397 tmpFile.delete(); 9398 } 9399 } 9400 9401 private File createTempPackageFile(File installDir) { 9402 File tmpPackageFile; 9403 try { 9404 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9405 } catch (IOException e) { 9406 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9407 return null; 9408 } 9409 try { 9410 FileUtils.setPermissions( 9411 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9412 -1, -1); 9413 if (!SELinux.restorecon(tmpPackageFile)) { 9414 return null; 9415 } 9416 } catch (IOException e) { 9417 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9418 return null; 9419 } 9420 return tmpPackageFile; 9421 } 9422 9423 @Override 9424 public void deletePackageAsUser(final String packageName, 9425 final IPackageDeleteObserver observer, 9426 final int userId, final int flags) { 9427 mContext.enforceCallingOrSelfPermission( 9428 android.Manifest.permission.DELETE_PACKAGES, null); 9429 final int uid = Binder.getCallingUid(); 9430 if (UserHandle.getUserId(uid) != userId) { 9431 mContext.enforceCallingPermission( 9432 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9433 "deletePackage for user " + userId); 9434 } 9435 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9436 try { 9437 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9438 } catch (RemoteException re) { 9439 } 9440 return; 9441 } 9442 9443 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9444 // Queue up an async operation since the package deletion may take a little while. 9445 mHandler.post(new Runnable() { 9446 public void run() { 9447 mHandler.removeCallbacks(this); 9448 final int returnCode = deletePackageX(packageName, userId, flags); 9449 if (observer != null) { 9450 try { 9451 observer.packageDeleted(packageName, returnCode); 9452 } catch (RemoteException e) { 9453 Log.i(TAG, "Observer no longer exists."); 9454 } //end catch 9455 } //end if 9456 } //end run 9457 }); 9458 } 9459 9460 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9461 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9462 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9463 try { 9464 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9465 || dpm.isDeviceOwner(packageName))) { 9466 return true; 9467 } 9468 } catch (RemoteException e) { 9469 } 9470 return false; 9471 } 9472 9473 /** 9474 * This method is an internal method that could be get invoked either 9475 * to delete an installed package or to clean up a failed installation. 9476 * After deleting an installed package, a broadcast is sent to notify any 9477 * listeners that the package has been installed. For cleaning up a failed 9478 * installation, the broadcast is not necessary since the package's 9479 * installation wouldn't have sent the initial broadcast either 9480 * The key steps in deleting a package are 9481 * deleting the package information in internal structures like mPackages, 9482 * deleting the packages base directories through installd 9483 * updating mSettings to reflect current status 9484 * persisting settings for later use 9485 * sending a broadcast if necessary 9486 */ 9487 private int deletePackageX(String packageName, int userId, int flags) { 9488 final PackageRemovedInfo info = new PackageRemovedInfo(); 9489 final boolean res; 9490 9491 if (isPackageDeviceAdmin(packageName, userId)) { 9492 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9493 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9494 } 9495 9496 boolean removedForAllUsers = false; 9497 boolean systemUpdate = false; 9498 9499 // for the uninstall-updates case and restricted profiles, remember the per- 9500 // userhandle installed state 9501 int[] allUsers; 9502 boolean[] perUserInstalled; 9503 synchronized (mPackages) { 9504 PackageSetting ps = mSettings.mPackages.get(packageName); 9505 allUsers = sUserManager.getUserIds(); 9506 perUserInstalled = new boolean[allUsers.length]; 9507 for (int i = 0; i < allUsers.length; i++) { 9508 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9509 } 9510 } 9511 9512 synchronized (mInstallLock) { 9513 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9514 res = deletePackageLI(packageName, 9515 (flags & PackageManager.DELETE_ALL_USERS) != 0 9516 ? UserHandle.ALL : new UserHandle(userId), 9517 true, allUsers, perUserInstalled, 9518 flags | REMOVE_CHATTY, info, true); 9519 systemUpdate = info.isRemovedPackageSystemUpdate; 9520 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9521 removedForAllUsers = true; 9522 } 9523 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9524 + " removedForAllUsers=" + removedForAllUsers); 9525 } 9526 9527 if (res) { 9528 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9529 9530 // If the removed package was a system update, the old system package 9531 // was re-enabled; we need to broadcast this information 9532 if (systemUpdate) { 9533 Bundle extras = new Bundle(1); 9534 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9535 ? info.removedAppId : info.uid); 9536 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9537 9538 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9539 extras, null, null, null); 9540 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9541 extras, null, null, null); 9542 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9543 null, packageName, null, null); 9544 } 9545 } 9546 // Force a gc here. 9547 Runtime.getRuntime().gc(); 9548 // Delete the resources here after sending the broadcast to let 9549 // other processes clean up before deleting resources. 9550 if (info.args != null) { 9551 synchronized (mInstallLock) { 9552 info.args.doPostDeleteLI(true); 9553 } 9554 } 9555 9556 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9557 } 9558 9559 static class PackageRemovedInfo { 9560 String removedPackage; 9561 int uid = -1; 9562 int removedAppId = -1; 9563 int[] removedUsers = null; 9564 boolean isRemovedPackageSystemUpdate = false; 9565 // Clean up resources deleted packages. 9566 InstallArgs args = null; 9567 9568 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9569 Bundle extras = new Bundle(1); 9570 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9571 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9572 if (replacing) { 9573 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9574 } 9575 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9576 if (removedPackage != null) { 9577 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9578 extras, null, null, removedUsers); 9579 if (fullRemove && !replacing) { 9580 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9581 extras, null, null, removedUsers); 9582 } 9583 } 9584 if (removedAppId >= 0) { 9585 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9586 removedUsers); 9587 } 9588 } 9589 } 9590 9591 /* 9592 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9593 * flag is not set, the data directory is removed as well. 9594 * make sure this flag is set for partially installed apps. If not its meaningless to 9595 * delete a partially installed application. 9596 */ 9597 private void removePackageDataLI(PackageSetting ps, 9598 int[] allUserHandles, boolean[] perUserInstalled, 9599 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9600 String packageName = ps.name; 9601 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9602 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9603 // Retrieve object to delete permissions for shared user later on 9604 final PackageSetting deletedPs; 9605 // reader 9606 synchronized (mPackages) { 9607 deletedPs = mSettings.mPackages.get(packageName); 9608 if (outInfo != null) { 9609 outInfo.removedPackage = packageName; 9610 outInfo.removedUsers = deletedPs != null 9611 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9612 : null; 9613 } 9614 } 9615 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9616 removeDataDirsLI(packageName); 9617 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9618 } 9619 // writer 9620 synchronized (mPackages) { 9621 if (deletedPs != null) { 9622 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9623 if (outInfo != null) { 9624 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9625 } 9626 if (deletedPs != null) { 9627 updatePermissionsLPw(deletedPs.name, null, 0); 9628 if (deletedPs.sharedUser != null) { 9629 // remove permissions associated with package 9630 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9631 } 9632 } 9633 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9634 } 9635 // make sure to preserve per-user disabled state if this removal was just 9636 // a downgrade of a system app to the factory package 9637 if (allUserHandles != null && perUserInstalled != null) { 9638 if (DEBUG_REMOVE) { 9639 Slog.d(TAG, "Propagating install state across downgrade"); 9640 } 9641 for (int i = 0; i < allUserHandles.length; i++) { 9642 if (DEBUG_REMOVE) { 9643 Slog.d(TAG, " user " + allUserHandles[i] 9644 + " => " + perUserInstalled[i]); 9645 } 9646 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9647 } 9648 } 9649 } 9650 // can downgrade to reader 9651 if (writeSettings) { 9652 // Save settings now 9653 mSettings.writeLPr(); 9654 } 9655 } 9656 if (outInfo != null) { 9657 // A user ID was deleted here. Go through all users and remove it 9658 // from KeyStore. 9659 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9660 } 9661 } 9662 9663 static boolean locationIsPrivileged(File path) { 9664 try { 9665 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9666 .getCanonicalPath(); 9667 return path.getCanonicalPath().startsWith(privilegedAppDir); 9668 } catch (IOException e) { 9669 Slog.e(TAG, "Unable to access code path " + path); 9670 } 9671 return false; 9672 } 9673 9674 /* 9675 * Tries to delete system package. 9676 */ 9677 private boolean deleteSystemPackageLI(PackageSetting newPs, 9678 int[] allUserHandles, boolean[] perUserInstalled, 9679 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9680 final boolean applyUserRestrictions 9681 = (allUserHandles != null) && (perUserInstalled != null); 9682 PackageSetting disabledPs = null; 9683 // Confirm if the system package has been updated 9684 // An updated system app can be deleted. This will also have to restore 9685 // the system pkg from system partition 9686 // reader 9687 synchronized (mPackages) { 9688 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9689 } 9690 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9691 + " disabledPs=" + disabledPs); 9692 if (disabledPs == null) { 9693 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9694 return false; 9695 } else if (DEBUG_REMOVE) { 9696 Slog.d(TAG, "Deleting system pkg from data partition"); 9697 } 9698 if (DEBUG_REMOVE) { 9699 if (applyUserRestrictions) { 9700 Slog.d(TAG, "Remembering install states:"); 9701 for (int i = 0; i < allUserHandles.length; i++) { 9702 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9703 } 9704 } 9705 } 9706 // Delete the updated package 9707 outInfo.isRemovedPackageSystemUpdate = true; 9708 if (disabledPs.versionCode < newPs.versionCode) { 9709 // Delete data for downgrades 9710 flags &= ~PackageManager.DELETE_KEEP_DATA; 9711 } else { 9712 // Preserve data by setting flag 9713 flags |= PackageManager.DELETE_KEEP_DATA; 9714 } 9715 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9716 allUserHandles, perUserInstalled, outInfo, writeSettings); 9717 if (!ret) { 9718 return false; 9719 } 9720 // writer 9721 synchronized (mPackages) { 9722 // Reinstate the old system package 9723 mSettings.enableSystemPackageLPw(newPs.name); 9724 // Remove any native libraries from the upgraded package. 9725 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9726 } 9727 // Install the system package 9728 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9729 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9730 if (locationIsPrivileged(disabledPs.codePath)) { 9731 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9732 } 9733 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9734 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9735 9736 if (newPkg == null) { 9737 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9738 + " with error:" + mLastScanError); 9739 return false; 9740 } 9741 // writer 9742 synchronized (mPackages) { 9743 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9744 setInternalAppNativeLibraryPath(newPkg, ps); 9745 updatePermissionsLPw(newPkg.packageName, newPkg, 9746 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9747 if (applyUserRestrictions) { 9748 if (DEBUG_REMOVE) { 9749 Slog.d(TAG, "Propagating install state across reinstall"); 9750 } 9751 for (int i = 0; i < allUserHandles.length; i++) { 9752 if (DEBUG_REMOVE) { 9753 Slog.d(TAG, " user " + allUserHandles[i] 9754 + " => " + perUserInstalled[i]); 9755 } 9756 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9757 } 9758 // Regardless of writeSettings we need to ensure that this restriction 9759 // state propagation is persisted 9760 mSettings.writeAllUsersPackageRestrictionsLPr(); 9761 } 9762 // can downgrade to reader here 9763 if (writeSettings) { 9764 mSettings.writeLPr(); 9765 } 9766 } 9767 return true; 9768 } 9769 9770 private boolean deleteInstalledPackageLI(PackageSetting ps, 9771 boolean deleteCodeAndResources, int flags, 9772 int[] allUserHandles, boolean[] perUserInstalled, 9773 PackageRemovedInfo outInfo, boolean writeSettings) { 9774 if (outInfo != null) { 9775 outInfo.uid = ps.appId; 9776 } 9777 9778 // Delete package data from internal structures and also remove data if flag is set 9779 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9780 9781 // Delete application code and resources 9782 if (deleteCodeAndResources && (outInfo != null)) { 9783 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9784 ps.resourcePathString, ps.nativeLibraryPathString); 9785 } 9786 return true; 9787 } 9788 9789 /* 9790 * This method handles package deletion in general 9791 */ 9792 private boolean deletePackageLI(String packageName, UserHandle user, 9793 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9794 int flags, PackageRemovedInfo outInfo, 9795 boolean writeSettings) { 9796 if (packageName == null) { 9797 Slog.w(TAG, "Attempt to delete null packageName."); 9798 return false; 9799 } 9800 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9801 PackageSetting ps; 9802 boolean dataOnly = false; 9803 int removeUser = -1; 9804 int appId = -1; 9805 synchronized (mPackages) { 9806 ps = mSettings.mPackages.get(packageName); 9807 if (ps == null) { 9808 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9809 return false; 9810 } 9811 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9812 && user.getIdentifier() != UserHandle.USER_ALL) { 9813 // The caller is asking that the package only be deleted for a single 9814 // user. To do this, we just mark its uninstalled state and delete 9815 // its data. If this is a system app, we only allow this to happen if 9816 // they have set the special DELETE_SYSTEM_APP which requests different 9817 // semantics than normal for uninstalling system apps. 9818 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9819 ps.setUserState(user.getIdentifier(), 9820 COMPONENT_ENABLED_STATE_DEFAULT, 9821 false, //installed 9822 true, //stopped 9823 true, //notLaunched 9824 false, //blocked 9825 null, null, null); 9826 if (!isSystemApp(ps)) { 9827 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9828 // Other user still have this package installed, so all 9829 // we need to do is clear this user's data and save that 9830 // it is uninstalled. 9831 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9832 removeUser = user.getIdentifier(); 9833 appId = ps.appId; 9834 mSettings.writePackageRestrictionsLPr(removeUser); 9835 } else { 9836 // We need to set it back to 'installed' so the uninstall 9837 // broadcasts will be sent correctly. 9838 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9839 ps.setInstalled(true, user.getIdentifier()); 9840 } 9841 } else { 9842 // This is a system app, so we assume that the 9843 // other users still have this package installed, so all 9844 // we need to do is clear this user's data and save that 9845 // it is uninstalled. 9846 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9847 removeUser = user.getIdentifier(); 9848 appId = ps.appId; 9849 mSettings.writePackageRestrictionsLPr(removeUser); 9850 } 9851 } 9852 } 9853 9854 if (removeUser >= 0) { 9855 // From above, we determined that we are deleting this only 9856 // for a single user. Continue the work here. 9857 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9858 if (outInfo != null) { 9859 outInfo.removedPackage = packageName; 9860 outInfo.removedAppId = appId; 9861 outInfo.removedUsers = new int[] {removeUser}; 9862 } 9863 mInstaller.clearUserData(packageName, removeUser); 9864 removeKeystoreDataIfNeeded(removeUser, appId); 9865 schedulePackageCleaning(packageName, removeUser, false); 9866 return true; 9867 } 9868 9869 if (dataOnly) { 9870 // Delete application data first 9871 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9872 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9873 return true; 9874 } 9875 9876 boolean ret = false; 9877 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9878 if (isSystemApp(ps)) { 9879 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9880 // When an updated system application is deleted we delete the existing resources as well and 9881 // fall back to existing code in system partition 9882 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9883 flags, outInfo, writeSettings); 9884 } else { 9885 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9886 // Kill application pre-emptively especially for apps on sd. 9887 killApplication(packageName, ps.appId, "uninstall pkg"); 9888 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9889 allUserHandles, perUserInstalled, 9890 outInfo, writeSettings); 9891 } 9892 9893 return ret; 9894 } 9895 9896 private final class ClearStorageConnection implements ServiceConnection { 9897 IMediaContainerService mContainerService; 9898 9899 @Override 9900 public void onServiceConnected(ComponentName name, IBinder service) { 9901 synchronized (this) { 9902 mContainerService = IMediaContainerService.Stub.asInterface(service); 9903 notifyAll(); 9904 } 9905 } 9906 9907 @Override 9908 public void onServiceDisconnected(ComponentName name) { 9909 } 9910 } 9911 9912 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9913 final boolean mounted; 9914 if (Environment.isExternalStorageEmulated()) { 9915 mounted = true; 9916 } else { 9917 final String status = Environment.getExternalStorageState(); 9918 9919 mounted = status.equals(Environment.MEDIA_MOUNTED) 9920 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9921 } 9922 9923 if (!mounted) { 9924 return; 9925 } 9926 9927 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9928 int[] users; 9929 if (userId == UserHandle.USER_ALL) { 9930 users = sUserManager.getUserIds(); 9931 } else { 9932 users = new int[] { userId }; 9933 } 9934 final ClearStorageConnection conn = new ClearStorageConnection(); 9935 if (mContext.bindServiceAsUser( 9936 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9937 try { 9938 for (int curUser : users) { 9939 long timeout = SystemClock.uptimeMillis() + 5000; 9940 synchronized (conn) { 9941 long now = SystemClock.uptimeMillis(); 9942 while (conn.mContainerService == null && now < timeout) { 9943 try { 9944 conn.wait(timeout - now); 9945 } catch (InterruptedException e) { 9946 } 9947 } 9948 } 9949 if (conn.mContainerService == null) { 9950 return; 9951 } 9952 9953 final UserEnvironment userEnv = new UserEnvironment(curUser); 9954 clearDirectory(conn.mContainerService, 9955 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9956 if (allData) { 9957 clearDirectory(conn.mContainerService, 9958 userEnv.buildExternalStorageAppDataDirs(packageName)); 9959 clearDirectory(conn.mContainerService, 9960 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9961 } 9962 } 9963 } finally { 9964 mContext.unbindService(conn); 9965 } 9966 } 9967 } 9968 9969 @Override 9970 public void clearApplicationUserData(final String packageName, 9971 final IPackageDataObserver observer, final int userId) { 9972 mContext.enforceCallingOrSelfPermission( 9973 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9974 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9975 // Queue up an async operation since the package deletion may take a little while. 9976 mHandler.post(new Runnable() { 9977 public void run() { 9978 mHandler.removeCallbacks(this); 9979 final boolean succeeded; 9980 synchronized (mInstallLock) { 9981 succeeded = clearApplicationUserDataLI(packageName, userId); 9982 } 9983 clearExternalStorageDataSync(packageName, userId, true); 9984 if (succeeded) { 9985 // invoke DeviceStorageMonitor's update method to clear any notifications 9986 DeviceStorageMonitorInternal 9987 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9988 if (dsm != null) { 9989 dsm.checkMemory(); 9990 } 9991 } 9992 if(observer != null) { 9993 try { 9994 observer.onRemoveCompleted(packageName, succeeded); 9995 } catch (RemoteException e) { 9996 Log.i(TAG, "Observer no longer exists."); 9997 } 9998 } //end if observer 9999 } //end run 10000 }); 10001 } 10002 10003 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10004 if (packageName == null) { 10005 Slog.w(TAG, "Attempt to delete null packageName."); 10006 return false; 10007 } 10008 PackageParser.Package p; 10009 boolean dataOnly = false; 10010 final int appId; 10011 synchronized (mPackages) { 10012 p = mPackages.get(packageName); 10013 if (p == null) { 10014 dataOnly = true; 10015 PackageSetting ps = mSettings.mPackages.get(packageName); 10016 if ((ps == null) || (ps.pkg == null)) { 10017 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10018 return false; 10019 } 10020 p = ps.pkg; 10021 } 10022 if (!dataOnly) { 10023 // need to check this only for fully installed applications 10024 if (p == null) { 10025 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10026 return false; 10027 } 10028 final ApplicationInfo applicationInfo = p.applicationInfo; 10029 if (applicationInfo == null) { 10030 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10031 return false; 10032 } 10033 } 10034 if (p != null && p.applicationInfo != null) { 10035 appId = p.applicationInfo.uid; 10036 } else { 10037 appId = -1; 10038 } 10039 } 10040 int retCode = mInstaller.clearUserData(packageName, userId); 10041 if (retCode < 0) { 10042 Slog.w(TAG, "Couldn't remove cache files for package: " 10043 + packageName); 10044 return false; 10045 } 10046 removeKeystoreDataIfNeeded(userId, appId); 10047 return true; 10048 } 10049 10050 /** 10051 * Remove entries from the keystore daemon. Will only remove it if the 10052 * {@code appId} is valid. 10053 */ 10054 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10055 if (appId < 0) { 10056 return; 10057 } 10058 10059 final KeyStore keyStore = KeyStore.getInstance(); 10060 if (keyStore != null) { 10061 if (userId == UserHandle.USER_ALL) { 10062 for (final int individual : sUserManager.getUserIds()) { 10063 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10064 } 10065 } else { 10066 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10067 } 10068 } else { 10069 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10070 } 10071 } 10072 10073 public void deleteApplicationCacheFiles(final String packageName, 10074 final IPackageDataObserver observer) { 10075 mContext.enforceCallingOrSelfPermission( 10076 android.Manifest.permission.DELETE_CACHE_FILES, null); 10077 // Queue up an async operation since the package deletion may take a little while. 10078 final int userId = UserHandle.getCallingUserId(); 10079 mHandler.post(new Runnable() { 10080 public void run() { 10081 mHandler.removeCallbacks(this); 10082 final boolean succeded; 10083 synchronized (mInstallLock) { 10084 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10085 } 10086 clearExternalStorageDataSync(packageName, userId, false); 10087 if(observer != null) { 10088 try { 10089 observer.onRemoveCompleted(packageName, succeded); 10090 } catch (RemoteException e) { 10091 Log.i(TAG, "Observer no longer exists."); 10092 } 10093 } //end if observer 10094 } //end run 10095 }); 10096 } 10097 10098 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10099 if (packageName == null) { 10100 Slog.w(TAG, "Attempt to delete null packageName."); 10101 return false; 10102 } 10103 PackageParser.Package p; 10104 synchronized (mPackages) { 10105 p = mPackages.get(packageName); 10106 } 10107 if (p == null) { 10108 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10109 return false; 10110 } 10111 final ApplicationInfo applicationInfo = p.applicationInfo; 10112 if (applicationInfo == null) { 10113 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10114 return false; 10115 } 10116 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10117 if (retCode < 0) { 10118 Slog.w(TAG, "Couldn't remove cache files for package: " 10119 + packageName + " u" + userId); 10120 return false; 10121 } 10122 return true; 10123 } 10124 10125 public void getPackageSizeInfo(final String packageName, int userHandle, 10126 final IPackageStatsObserver observer) { 10127 mContext.enforceCallingOrSelfPermission( 10128 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10129 10130 PackageStats stats = new PackageStats(packageName, userHandle); 10131 10132 /* 10133 * Queue up an async operation since the package measurement may take a 10134 * little while. 10135 */ 10136 Message msg = mHandler.obtainMessage(INIT_COPY); 10137 msg.obj = new MeasureParams(stats, observer); 10138 mHandler.sendMessage(msg); 10139 } 10140 10141 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10142 PackageStats pStats) { 10143 if (packageName == null) { 10144 Slog.w(TAG, "Attempt to get size of null packageName."); 10145 return false; 10146 } 10147 PackageParser.Package p; 10148 boolean dataOnly = false; 10149 String libDirPath = null; 10150 String asecPath = null; 10151 synchronized (mPackages) { 10152 p = mPackages.get(packageName); 10153 PackageSetting ps = mSettings.mPackages.get(packageName); 10154 if(p == null) { 10155 dataOnly = true; 10156 if((ps == null) || (ps.pkg == null)) { 10157 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10158 return false; 10159 } 10160 p = ps.pkg; 10161 } 10162 if (ps != null) { 10163 libDirPath = ps.nativeLibraryPathString; 10164 } 10165 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10166 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10167 if (secureContainerId != null) { 10168 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10169 } 10170 } 10171 } 10172 String publicSrcDir = null; 10173 if(!dataOnly) { 10174 final ApplicationInfo applicationInfo = p.applicationInfo; 10175 if (applicationInfo == null) { 10176 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10177 return false; 10178 } 10179 if (isForwardLocked(p)) { 10180 publicSrcDir = applicationInfo.publicSourceDir; 10181 } 10182 } 10183 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10184 publicSrcDir, asecPath, pStats); 10185 if (res < 0) { 10186 return false; 10187 } 10188 10189 // Fix-up for forward-locked applications in ASEC containers. 10190 if (!isExternal(p)) { 10191 pStats.codeSize += pStats.externalCodeSize; 10192 pStats.externalCodeSize = 0L; 10193 } 10194 10195 return true; 10196 } 10197 10198 10199 public void addPackageToPreferred(String packageName) { 10200 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10201 } 10202 10203 public void removePackageFromPreferred(String packageName) { 10204 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10205 } 10206 10207 public List<PackageInfo> getPreferredPackages(int flags) { 10208 return new ArrayList<PackageInfo>(); 10209 } 10210 10211 private int getUidTargetSdkVersionLockedLPr(int uid) { 10212 Object obj = mSettings.getUserIdLPr(uid); 10213 if (obj instanceof SharedUserSetting) { 10214 final SharedUserSetting sus = (SharedUserSetting) obj; 10215 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10216 final Iterator<PackageSetting> it = sus.packages.iterator(); 10217 while (it.hasNext()) { 10218 final PackageSetting ps = it.next(); 10219 if (ps.pkg != null) { 10220 int v = ps.pkg.applicationInfo.targetSdkVersion; 10221 if (v < vers) vers = v; 10222 } 10223 } 10224 return vers; 10225 } else if (obj instanceof PackageSetting) { 10226 final PackageSetting ps = (PackageSetting) obj; 10227 if (ps.pkg != null) { 10228 return ps.pkg.applicationInfo.targetSdkVersion; 10229 } 10230 } 10231 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10232 } 10233 10234 public void addPreferredActivity(IntentFilter filter, int match, 10235 ComponentName[] set, ComponentName activity, int userId) { 10236 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10237 } 10238 10239 private void addPreferredActivityInternal(IntentFilter filter, int match, 10240 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10241 // writer 10242 int callingUid = Binder.getCallingUid(); 10243 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10244 if (filter.countActions() == 0) { 10245 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10246 return; 10247 } 10248 synchronized (mPackages) { 10249 if (mContext.checkCallingOrSelfPermission( 10250 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10251 != PackageManager.PERMISSION_GRANTED) { 10252 if (getUidTargetSdkVersionLockedLPr(callingUid) 10253 < Build.VERSION_CODES.FROYO) { 10254 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10255 + callingUid); 10256 return; 10257 } 10258 mContext.enforceCallingOrSelfPermission( 10259 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10260 } 10261 10262 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10263 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10264 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10265 new PreferredActivity(filter, match, set, activity, always)); 10266 mSettings.writePackageRestrictionsLPr(userId); 10267 } 10268 } 10269 10270 public void replacePreferredActivity(IntentFilter filter, int match, 10271 ComponentName[] set, ComponentName activity) { 10272 if (filter.countActions() != 1) { 10273 throw new IllegalArgumentException( 10274 "replacePreferredActivity expects filter to have only 1 action."); 10275 } 10276 if (filter.countDataAuthorities() != 0 10277 || filter.countDataPaths() != 0 10278 || filter.countDataSchemes() > 1 10279 || filter.countDataTypes() != 0) { 10280 throw new IllegalArgumentException( 10281 "replacePreferredActivity expects filter to have no data authorities, " + 10282 "paths, or types; and at most one scheme."); 10283 } 10284 synchronized (mPackages) { 10285 if (mContext.checkCallingOrSelfPermission( 10286 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10287 != PackageManager.PERMISSION_GRANTED) { 10288 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10289 < Build.VERSION_CODES.FROYO) { 10290 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10291 + Binder.getCallingUid()); 10292 return; 10293 } 10294 mContext.enforceCallingOrSelfPermission( 10295 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10296 } 10297 10298 final int callingUserId = UserHandle.getCallingUserId(); 10299 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10300 if (pir != null) { 10301 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10302 if (filter.countDataSchemes() == 1) { 10303 Uri.Builder builder = new Uri.Builder(); 10304 builder.scheme(filter.getDataScheme(0)); 10305 intent.setData(builder.build()); 10306 } 10307 List<PreferredActivity> matches = pir.queryIntent( 10308 intent, null, true, callingUserId); 10309 if (DEBUG_PREFERRED) { 10310 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10311 } 10312 for (int i = 0; i < matches.size(); i++) { 10313 PreferredActivity pa = matches.get(i); 10314 if (DEBUG_PREFERRED) { 10315 Slog.i(TAG, "Removing preferred activity " 10316 + pa.mPref.mComponent + ":"); 10317 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10318 } 10319 pir.removeFilter(pa); 10320 } 10321 } 10322 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10323 } 10324 } 10325 10326 public void clearPackagePreferredActivities(String packageName) { 10327 final int uid = Binder.getCallingUid(); 10328 // writer 10329 synchronized (mPackages) { 10330 PackageParser.Package pkg = mPackages.get(packageName); 10331 if (pkg == null || pkg.applicationInfo.uid != uid) { 10332 if (mContext.checkCallingOrSelfPermission( 10333 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10334 != PackageManager.PERMISSION_GRANTED) { 10335 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10336 < Build.VERSION_CODES.FROYO) { 10337 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10338 + Binder.getCallingUid()); 10339 return; 10340 } 10341 mContext.enforceCallingOrSelfPermission( 10342 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10343 } 10344 } 10345 10346 int user = UserHandle.getCallingUserId(); 10347 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10348 mSettings.writePackageRestrictionsLPr(user); 10349 scheduleWriteSettingsLocked(); 10350 } 10351 } 10352 } 10353 10354 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10355 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10356 ArrayList<PreferredActivity> removed = null; 10357 boolean changed = false; 10358 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10359 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10360 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10361 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10362 continue; 10363 } 10364 Iterator<PreferredActivity> it = pir.filterIterator(); 10365 while (it.hasNext()) { 10366 PreferredActivity pa = it.next(); 10367 // Mark entry for removal only if it matches the package name 10368 // and the entry is of type "always". 10369 if (packageName == null || 10370 (pa.mPref.mComponent.getPackageName().equals(packageName) 10371 && pa.mPref.mAlways)) { 10372 if (removed == null) { 10373 removed = new ArrayList<PreferredActivity>(); 10374 } 10375 removed.add(pa); 10376 } 10377 } 10378 if (removed != null) { 10379 for (int j=0; j<removed.size(); j++) { 10380 PreferredActivity pa = removed.get(j); 10381 pir.removeFilter(pa); 10382 } 10383 changed = true; 10384 } 10385 } 10386 return changed; 10387 } 10388 10389 public void resetPreferredActivities(int userId) { 10390 mContext.enforceCallingOrSelfPermission( 10391 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10392 // writer 10393 synchronized (mPackages) { 10394 int user = UserHandle.getCallingUserId(); 10395 clearPackagePreferredActivitiesLPw(null, user); 10396 mSettings.readDefaultPreferredAppsLPw(this, user); 10397 mSettings.writePackageRestrictionsLPr(user); 10398 scheduleWriteSettingsLocked(); 10399 } 10400 } 10401 10402 public int getPreferredActivities(List<IntentFilter> outFilters, 10403 List<ComponentName> outActivities, String packageName) { 10404 10405 int num = 0; 10406 final int userId = UserHandle.getCallingUserId(); 10407 // reader 10408 synchronized (mPackages) { 10409 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10410 if (pir != null) { 10411 final Iterator<PreferredActivity> it = pir.filterIterator(); 10412 while (it.hasNext()) { 10413 final PreferredActivity pa = it.next(); 10414 if (packageName == null 10415 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10416 && pa.mPref.mAlways)) { 10417 if (outFilters != null) { 10418 outFilters.add(new IntentFilter(pa)); 10419 } 10420 if (outActivities != null) { 10421 outActivities.add(pa.mPref.mComponent); 10422 } 10423 } 10424 } 10425 } 10426 } 10427 10428 return num; 10429 } 10430 10431 @Override 10432 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10433 Intent intent = new Intent(Intent.ACTION_MAIN); 10434 intent.addCategory(Intent.CATEGORY_HOME); 10435 10436 final int callingUserId = UserHandle.getCallingUserId(); 10437 List<ResolveInfo> list = queryIntentActivities(intent, null, 10438 PackageManager.GET_META_DATA, callingUserId); 10439 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10440 true, false, false, callingUserId); 10441 10442 allHomeCandidates.clear(); 10443 if (list != null) { 10444 for (ResolveInfo ri : list) { 10445 allHomeCandidates.add(ri); 10446 } 10447 } 10448 return (preferred == null || preferred.activityInfo == null) 10449 ? null 10450 : new ComponentName(preferred.activityInfo.packageName, 10451 preferred.activityInfo.name); 10452 } 10453 10454 @Override 10455 public void setApplicationEnabledSetting(String appPackageName, 10456 int newState, int flags, int userId, String callingPackage) { 10457 if (!sUserManager.exists(userId)) return; 10458 if (callingPackage == null) { 10459 callingPackage = Integer.toString(Binder.getCallingUid()); 10460 } 10461 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10462 } 10463 10464 @Override 10465 public void setComponentEnabledSetting(ComponentName componentName, 10466 int newState, int flags, int userId) { 10467 if (!sUserManager.exists(userId)) return; 10468 setEnabledSetting(componentName.getPackageName(), 10469 componentName.getClassName(), newState, flags, userId, null); 10470 } 10471 10472 private void setEnabledSetting(final String packageName, String className, int newState, 10473 final int flags, int userId, String callingPackage) { 10474 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10475 || newState == COMPONENT_ENABLED_STATE_ENABLED 10476 || newState == COMPONENT_ENABLED_STATE_DISABLED 10477 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10478 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10479 throw new IllegalArgumentException("Invalid new component state: " 10480 + newState); 10481 } 10482 PackageSetting pkgSetting; 10483 final int uid = Binder.getCallingUid(); 10484 final int permission = mContext.checkCallingOrSelfPermission( 10485 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10486 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10487 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10488 boolean sendNow = false; 10489 boolean isApp = (className == null); 10490 String componentName = isApp ? packageName : className; 10491 int packageUid = -1; 10492 ArrayList<String> components; 10493 10494 // writer 10495 synchronized (mPackages) { 10496 pkgSetting = mSettings.mPackages.get(packageName); 10497 if (pkgSetting == null) { 10498 if (className == null) { 10499 throw new IllegalArgumentException( 10500 "Unknown package: " + packageName); 10501 } 10502 throw new IllegalArgumentException( 10503 "Unknown component: " + packageName 10504 + "/" + className); 10505 } 10506 // Allow root and verify that userId is not being specified by a different user 10507 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10508 throw new SecurityException( 10509 "Permission Denial: attempt to change component state from pid=" 10510 + Binder.getCallingPid() 10511 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10512 } 10513 if (className == null) { 10514 // We're dealing with an application/package level state change 10515 if (pkgSetting.getEnabled(userId) == newState) { 10516 // Nothing to do 10517 return; 10518 } 10519 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10520 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10521 // Don't care about who enables an app. 10522 callingPackage = null; 10523 } 10524 pkgSetting.setEnabled(newState, userId, callingPackage); 10525 // pkgSetting.pkg.mSetEnabled = newState; 10526 } else { 10527 // We're dealing with a component level state change 10528 // First, verify that this is a valid class name. 10529 PackageParser.Package pkg = pkgSetting.pkg; 10530 if (pkg == null || !pkg.hasComponentClassName(className)) { 10531 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10532 throw new IllegalArgumentException("Component class " + className 10533 + " does not exist in " + packageName); 10534 } else { 10535 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10536 + className + " does not exist in " + packageName); 10537 } 10538 } 10539 switch (newState) { 10540 case COMPONENT_ENABLED_STATE_ENABLED: 10541 if (!pkgSetting.enableComponentLPw(className, userId)) { 10542 return; 10543 } 10544 break; 10545 case COMPONENT_ENABLED_STATE_DISABLED: 10546 if (!pkgSetting.disableComponentLPw(className, userId)) { 10547 return; 10548 } 10549 break; 10550 case COMPONENT_ENABLED_STATE_DEFAULT: 10551 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10552 return; 10553 } 10554 break; 10555 default: 10556 Slog.e(TAG, "Invalid new component state: " + newState); 10557 return; 10558 } 10559 } 10560 mSettings.writePackageRestrictionsLPr(userId); 10561 components = mPendingBroadcasts.get(userId, packageName); 10562 final boolean newPackage = components == null; 10563 if (newPackage) { 10564 components = new ArrayList<String>(); 10565 } 10566 if (!components.contains(componentName)) { 10567 components.add(componentName); 10568 } 10569 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10570 sendNow = true; 10571 // Purge entry from pending broadcast list if another one exists already 10572 // since we are sending one right away. 10573 mPendingBroadcasts.remove(userId, packageName); 10574 } else { 10575 if (newPackage) { 10576 mPendingBroadcasts.put(userId, packageName, components); 10577 } 10578 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10579 // Schedule a message 10580 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10581 } 10582 } 10583 } 10584 10585 long callingId = Binder.clearCallingIdentity(); 10586 try { 10587 if (sendNow) { 10588 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10589 sendPackageChangedBroadcast(packageName, 10590 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10591 } 10592 } finally { 10593 Binder.restoreCallingIdentity(callingId); 10594 } 10595 } 10596 10597 private void sendPackageChangedBroadcast(String packageName, 10598 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10599 if (DEBUG_INSTALL) 10600 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10601 + componentNames); 10602 Bundle extras = new Bundle(4); 10603 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10604 String nameList[] = new String[componentNames.size()]; 10605 componentNames.toArray(nameList); 10606 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10607 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10608 extras.putInt(Intent.EXTRA_UID, packageUid); 10609 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10610 new int[] {UserHandle.getUserId(packageUid)}); 10611 } 10612 10613 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10614 if (!sUserManager.exists(userId)) return; 10615 final int uid = Binder.getCallingUid(); 10616 final int permission = mContext.checkCallingOrSelfPermission( 10617 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10618 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10619 enforceCrossUserPermission(uid, userId, true, "stop package"); 10620 // writer 10621 synchronized (mPackages) { 10622 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10623 uid, userId)) { 10624 scheduleWritePackageRestrictionsLocked(userId); 10625 } 10626 } 10627 } 10628 10629 public String getInstallerPackageName(String packageName) { 10630 // reader 10631 synchronized (mPackages) { 10632 return mSettings.getInstallerPackageNameLPr(packageName); 10633 } 10634 } 10635 10636 @Override 10637 public int getApplicationEnabledSetting(String packageName, int userId) { 10638 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10639 int uid = Binder.getCallingUid(); 10640 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10641 // reader 10642 synchronized (mPackages) { 10643 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10644 } 10645 } 10646 10647 @Override 10648 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10649 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10650 int uid = Binder.getCallingUid(); 10651 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10652 // reader 10653 synchronized (mPackages) { 10654 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10655 } 10656 } 10657 10658 public void enterSafeMode() { 10659 enforceSystemOrRoot("Only the system can request entering safe mode"); 10660 10661 if (!mSystemReady) { 10662 mSafeMode = true; 10663 } 10664 } 10665 10666 public void systemReady() { 10667 mSystemReady = true; 10668 10669 // Read the compatibilty setting when the system is ready. 10670 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10671 mContext.getContentResolver(), 10672 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10673 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10674 if (DEBUG_SETTINGS) { 10675 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10676 } 10677 10678 synchronized (mPackages) { 10679 // Verify that all of the preferred activity components actually 10680 // exist. It is possible for applications to be updated and at 10681 // that point remove a previously declared activity component that 10682 // had been set as a preferred activity. We try to clean this up 10683 // the next time we encounter that preferred activity, but it is 10684 // possible for the user flow to never be able to return to that 10685 // situation so here we do a sanity check to make sure we haven't 10686 // left any junk around. 10687 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10688 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10689 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10690 removed.clear(); 10691 for (PreferredActivity pa : pir.filterSet()) { 10692 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10693 removed.add(pa); 10694 } 10695 } 10696 if (removed.size() > 0) { 10697 for (int j=0; j<removed.size(); j++) { 10698 PreferredActivity pa = removed.get(i); 10699 Slog.w(TAG, "Removing dangling preferred activity: " 10700 + pa.mPref.mComponent); 10701 pir.removeFilter(pa); 10702 } 10703 mSettings.writePackageRestrictionsLPr( 10704 mSettings.mPreferredActivities.keyAt(i)); 10705 } 10706 } 10707 } 10708 sUserManager.systemReady(); 10709 } 10710 10711 public boolean isSafeMode() { 10712 return mSafeMode; 10713 } 10714 10715 public boolean hasSystemUidErrors() { 10716 return mHasSystemUidErrors; 10717 } 10718 10719 static String arrayToString(int[] array) { 10720 StringBuffer buf = new StringBuffer(128); 10721 buf.append('['); 10722 if (array != null) { 10723 for (int i=0; i<array.length; i++) { 10724 if (i > 0) buf.append(", "); 10725 buf.append(array[i]); 10726 } 10727 } 10728 buf.append(']'); 10729 return buf.toString(); 10730 } 10731 10732 static class DumpState { 10733 public static final int DUMP_LIBS = 1 << 0; 10734 10735 public static final int DUMP_FEATURES = 1 << 1; 10736 10737 public static final int DUMP_RESOLVERS = 1 << 2; 10738 10739 public static final int DUMP_PERMISSIONS = 1 << 3; 10740 10741 public static final int DUMP_PACKAGES = 1 << 4; 10742 10743 public static final int DUMP_SHARED_USERS = 1 << 5; 10744 10745 public static final int DUMP_MESSAGES = 1 << 6; 10746 10747 public static final int DUMP_PROVIDERS = 1 << 7; 10748 10749 public static final int DUMP_VERIFIERS = 1 << 8; 10750 10751 public static final int DUMP_PREFERRED = 1 << 9; 10752 10753 public static final int DUMP_PREFERRED_XML = 1 << 10; 10754 10755 public static final int DUMP_KEYSETS = 1 << 11; 10756 10757 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10758 10759 private int mTypes; 10760 10761 private int mOptions; 10762 10763 private boolean mTitlePrinted; 10764 10765 private SharedUserSetting mSharedUser; 10766 10767 public boolean isDumping(int type) { 10768 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10769 return true; 10770 } 10771 10772 return (mTypes & type) != 0; 10773 } 10774 10775 public void setDump(int type) { 10776 mTypes |= type; 10777 } 10778 10779 public boolean isOptionEnabled(int option) { 10780 return (mOptions & option) != 0; 10781 } 10782 10783 public void setOptionEnabled(int option) { 10784 mOptions |= option; 10785 } 10786 10787 public boolean onTitlePrinted() { 10788 final boolean printed = mTitlePrinted; 10789 mTitlePrinted = true; 10790 return printed; 10791 } 10792 10793 public boolean getTitlePrinted() { 10794 return mTitlePrinted; 10795 } 10796 10797 public void setTitlePrinted(boolean enabled) { 10798 mTitlePrinted = enabled; 10799 } 10800 10801 public SharedUserSetting getSharedUser() { 10802 return mSharedUser; 10803 } 10804 10805 public void setSharedUser(SharedUserSetting user) { 10806 mSharedUser = user; 10807 } 10808 } 10809 10810 @Override 10811 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10812 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10813 != PackageManager.PERMISSION_GRANTED) { 10814 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10815 + Binder.getCallingPid() 10816 + ", uid=" + Binder.getCallingUid() 10817 + " without permission " 10818 + android.Manifest.permission.DUMP); 10819 return; 10820 } 10821 10822 DumpState dumpState = new DumpState(); 10823 boolean fullPreferred = false; 10824 boolean checkin = false; 10825 10826 String packageName = null; 10827 10828 int opti = 0; 10829 while (opti < args.length) { 10830 String opt = args[opti]; 10831 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10832 break; 10833 } 10834 opti++; 10835 if ("-a".equals(opt)) { 10836 // Right now we only know how to print all. 10837 } else if ("-h".equals(opt)) { 10838 pw.println("Package manager dump options:"); 10839 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10840 pw.println(" --checkin: dump for a checkin"); 10841 pw.println(" -f: print details of intent filters"); 10842 pw.println(" -h: print this help"); 10843 pw.println(" cmd may be one of:"); 10844 pw.println(" l[ibraries]: list known shared libraries"); 10845 pw.println(" f[ibraries]: list device features"); 10846 pw.println(" r[esolvers]: dump intent resolvers"); 10847 pw.println(" perm[issions]: dump permissions"); 10848 pw.println(" pref[erred]: print preferred package settings"); 10849 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10850 pw.println(" prov[iders]: dump content providers"); 10851 pw.println(" p[ackages]: dump installed packages"); 10852 pw.println(" s[hared-users]: dump shared user IDs"); 10853 pw.println(" m[essages]: print collected runtime messages"); 10854 pw.println(" v[erifiers]: print package verifier info"); 10855 pw.println(" <package.name>: info about given package"); 10856 pw.println(" k[eysets]: print known keysets"); 10857 return; 10858 } else if ("--checkin".equals(opt)) { 10859 checkin = true; 10860 } else if ("-f".equals(opt)) { 10861 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10862 } else { 10863 pw.println("Unknown argument: " + opt + "; use -h for help"); 10864 } 10865 } 10866 10867 // Is the caller requesting to dump a particular piece of data? 10868 if (opti < args.length) { 10869 String cmd = args[opti]; 10870 opti++; 10871 // Is this a package name? 10872 if ("android".equals(cmd) || cmd.contains(".")) { 10873 packageName = cmd; 10874 // When dumping a single package, we always dump all of its 10875 // filter information since the amount of data will be reasonable. 10876 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10877 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10878 dumpState.setDump(DumpState.DUMP_LIBS); 10879 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10880 dumpState.setDump(DumpState.DUMP_FEATURES); 10881 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10882 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10883 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10884 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10885 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10886 dumpState.setDump(DumpState.DUMP_PREFERRED); 10887 } else if ("preferred-xml".equals(cmd)) { 10888 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10889 if (opti < args.length && "--full".equals(args[opti])) { 10890 fullPreferred = true; 10891 opti++; 10892 } 10893 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10894 dumpState.setDump(DumpState.DUMP_PACKAGES); 10895 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10896 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10897 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10898 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10899 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10900 dumpState.setDump(DumpState.DUMP_MESSAGES); 10901 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10902 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10903 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10904 dumpState.setDump(DumpState.DUMP_KEYSETS); 10905 } 10906 } 10907 10908 if (checkin) { 10909 pw.println("vers,1"); 10910 } 10911 10912 // reader 10913 synchronized (mPackages) { 10914 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10915 if (!checkin) { 10916 if (dumpState.onTitlePrinted()) 10917 pw.println(); 10918 pw.println("Verifiers:"); 10919 pw.print(" Required: "); 10920 pw.print(mRequiredVerifierPackage); 10921 pw.print(" (uid="); 10922 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10923 pw.println(")"); 10924 } else if (mRequiredVerifierPackage != null) { 10925 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10926 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10927 } 10928 } 10929 10930 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10931 boolean printedHeader = false; 10932 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10933 while (it.hasNext()) { 10934 String name = it.next(); 10935 SharedLibraryEntry ent = mSharedLibraries.get(name); 10936 if (!checkin) { 10937 if (!printedHeader) { 10938 if (dumpState.onTitlePrinted()) 10939 pw.println(); 10940 pw.println("Libraries:"); 10941 printedHeader = true; 10942 } 10943 pw.print(" "); 10944 } else { 10945 pw.print("lib,"); 10946 } 10947 pw.print(name); 10948 if (!checkin) { 10949 pw.print(" -> "); 10950 } 10951 if (ent.path != null) { 10952 if (!checkin) { 10953 pw.print("(jar) "); 10954 pw.print(ent.path); 10955 } else { 10956 pw.print(",jar,"); 10957 pw.print(ent.path); 10958 } 10959 } else { 10960 if (!checkin) { 10961 pw.print("(apk) "); 10962 pw.print(ent.apk); 10963 } else { 10964 pw.print(",apk,"); 10965 pw.print(ent.apk); 10966 } 10967 } 10968 pw.println(); 10969 } 10970 } 10971 10972 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 10973 if (dumpState.onTitlePrinted()) 10974 pw.println(); 10975 if (!checkin) { 10976 pw.println("Features:"); 10977 } 10978 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 10979 while (it.hasNext()) { 10980 String name = it.next(); 10981 if (!checkin) { 10982 pw.print(" "); 10983 } else { 10984 pw.print("feat,"); 10985 } 10986 pw.println(name); 10987 } 10988 } 10989 10990 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 10991 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 10992 : "Activity Resolver Table:", " ", packageName, 10993 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10994 dumpState.setTitlePrinted(true); 10995 } 10996 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 10997 : "Receiver Resolver Table:", " ", packageName, 10998 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10999 dumpState.setTitlePrinted(true); 11000 } 11001 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11002 : "Service Resolver Table:", " ", packageName, 11003 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11004 dumpState.setTitlePrinted(true); 11005 } 11006 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11007 : "Provider Resolver Table:", " ", packageName, 11008 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11009 dumpState.setTitlePrinted(true); 11010 } 11011 } 11012 11013 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11014 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11015 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11016 int user = mSettings.mPreferredActivities.keyAt(i); 11017 if (pir.dump(pw, 11018 dumpState.getTitlePrinted() 11019 ? "\nPreferred Activities User " + user + ":" 11020 : "Preferred Activities User " + user + ":", " ", 11021 packageName, true)) { 11022 dumpState.setTitlePrinted(true); 11023 } 11024 } 11025 } 11026 11027 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11028 pw.flush(); 11029 FileOutputStream fout = new FileOutputStream(fd); 11030 BufferedOutputStream str = new BufferedOutputStream(fout); 11031 XmlSerializer serializer = new FastXmlSerializer(); 11032 try { 11033 serializer.setOutput(str, "utf-8"); 11034 serializer.startDocument(null, true); 11035 serializer.setFeature( 11036 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11037 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11038 serializer.endDocument(); 11039 serializer.flush(); 11040 } catch (IllegalArgumentException e) { 11041 pw.println("Failed writing: " + e); 11042 } catch (IllegalStateException e) { 11043 pw.println("Failed writing: " + e); 11044 } catch (IOException e) { 11045 pw.println("Failed writing: " + e); 11046 } 11047 } 11048 11049 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11050 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11051 } 11052 11053 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11054 boolean printedSomething = false; 11055 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11056 if (packageName != null && !packageName.equals(p.info.packageName)) { 11057 continue; 11058 } 11059 if (!printedSomething) { 11060 if (dumpState.onTitlePrinted()) 11061 pw.println(); 11062 pw.println("Registered ContentProviders:"); 11063 printedSomething = true; 11064 } 11065 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11066 pw.print(" "); pw.println(p.toString()); 11067 } 11068 printedSomething = false; 11069 for (Map.Entry<String, PackageParser.Provider> entry : 11070 mProvidersByAuthority.entrySet()) { 11071 PackageParser.Provider p = entry.getValue(); 11072 if (packageName != null && !packageName.equals(p.info.packageName)) { 11073 continue; 11074 } 11075 if (!printedSomething) { 11076 if (dumpState.onTitlePrinted()) 11077 pw.println(); 11078 pw.println("ContentProvider Authorities:"); 11079 printedSomething = true; 11080 } 11081 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11082 pw.print(" "); pw.println(p.toString()); 11083 if (p.info != null && p.info.applicationInfo != null) { 11084 final String appInfo = p.info.applicationInfo.toString(); 11085 pw.print(" applicationInfo="); pw.println(appInfo); 11086 } 11087 } 11088 } 11089 11090 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11091 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11092 } 11093 11094 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11095 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11096 } 11097 11098 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11099 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11100 } 11101 11102 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11103 if (dumpState.onTitlePrinted()) 11104 pw.println(); 11105 mSettings.dumpReadMessagesLPr(pw, dumpState); 11106 11107 pw.println(); 11108 pw.println("Package warning messages:"); 11109 final File fname = getSettingsProblemFile(); 11110 FileInputStream in = null; 11111 try { 11112 in = new FileInputStream(fname); 11113 final int avail = in.available(); 11114 final byte[] data = new byte[avail]; 11115 in.read(data); 11116 pw.print(new String(data)); 11117 } catch (FileNotFoundException e) { 11118 } catch (IOException e) { 11119 } finally { 11120 if (in != null) { 11121 try { 11122 in.close(); 11123 } catch (IOException e) { 11124 } 11125 } 11126 } 11127 } 11128 } 11129 } 11130 11131 // ------- apps on sdcard specific code ------- 11132 static final boolean DEBUG_SD_INSTALL = false; 11133 11134 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11135 11136 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11137 11138 private boolean mMediaMounted = false; 11139 11140 private String getEncryptKey() { 11141 try { 11142 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11143 SD_ENCRYPTION_KEYSTORE_NAME); 11144 if (sdEncKey == null) { 11145 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11146 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11147 if (sdEncKey == null) { 11148 Slog.e(TAG, "Failed to create encryption keys"); 11149 return null; 11150 } 11151 } 11152 return sdEncKey; 11153 } catch (NoSuchAlgorithmException nsae) { 11154 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11155 return null; 11156 } catch (IOException ioe) { 11157 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11158 return null; 11159 } 11160 11161 } 11162 11163 /* package */static String getTempContainerId() { 11164 int tmpIdx = 1; 11165 String list[] = PackageHelper.getSecureContainerList(); 11166 if (list != null) { 11167 for (final String name : list) { 11168 // Ignore null and non-temporary container entries 11169 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11170 continue; 11171 } 11172 11173 String subStr = name.substring(mTempContainerPrefix.length()); 11174 try { 11175 int cid = Integer.parseInt(subStr); 11176 if (cid >= tmpIdx) { 11177 tmpIdx = cid + 1; 11178 } 11179 } catch (NumberFormatException e) { 11180 } 11181 } 11182 } 11183 return mTempContainerPrefix + tmpIdx; 11184 } 11185 11186 /* 11187 * Update media status on PackageManager. 11188 */ 11189 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11190 int callingUid = Binder.getCallingUid(); 11191 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11192 throw new SecurityException("Media status can only be updated by the system"); 11193 } 11194 // reader; this apparently protects mMediaMounted, but should probably 11195 // be a different lock in that case. 11196 synchronized (mPackages) { 11197 Log.i(TAG, "Updating external media status from " 11198 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11199 + (mediaStatus ? "mounted" : "unmounted")); 11200 if (DEBUG_SD_INSTALL) 11201 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11202 + ", mMediaMounted=" + mMediaMounted); 11203 if (mediaStatus == mMediaMounted) { 11204 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11205 : 0, -1); 11206 mHandler.sendMessage(msg); 11207 return; 11208 } 11209 mMediaMounted = mediaStatus; 11210 } 11211 // Queue up an async operation since the package installation may take a 11212 // little while. 11213 mHandler.post(new Runnable() { 11214 public void run() { 11215 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11216 } 11217 }); 11218 } 11219 11220 /** 11221 * Called by MountService when the initial ASECs to scan are available. 11222 * Should block until all the ASEC containers are finished being scanned. 11223 */ 11224 public void scanAvailableAsecs() { 11225 updateExternalMediaStatusInner(true, false, false); 11226 if (mShouldRestoreconData) { 11227 SELinuxMMAC.setRestoreconDone(); 11228 mShouldRestoreconData = false; 11229 } 11230 } 11231 11232 /* 11233 * Collect information of applications on external media, map them against 11234 * existing containers and update information based on current mount status. 11235 * Please note that we always have to report status if reportStatus has been 11236 * set to true especially when unloading packages. 11237 */ 11238 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11239 boolean externalStorage) { 11240 // Collection of uids 11241 int uidArr[] = null; 11242 // Collection of stale containers 11243 HashSet<String> removeCids = new HashSet<String>(); 11244 // Collection of packages on external media with valid containers. 11245 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11246 // Get list of secure containers. 11247 final String list[] = PackageHelper.getSecureContainerList(); 11248 if (list == null || list.length == 0) { 11249 Log.i(TAG, "No secure containers on sdcard"); 11250 } else { 11251 // Process list of secure containers and categorize them 11252 // as active or stale based on their package internal state. 11253 int uidList[] = new int[list.length]; 11254 int num = 0; 11255 // reader 11256 synchronized (mPackages) { 11257 for (String cid : list) { 11258 if (DEBUG_SD_INSTALL) 11259 Log.i(TAG, "Processing container " + cid); 11260 String pkgName = getAsecPackageName(cid); 11261 if (pkgName == null) { 11262 if (DEBUG_SD_INSTALL) 11263 Log.i(TAG, "Container : " + cid + " stale"); 11264 removeCids.add(cid); 11265 continue; 11266 } 11267 if (DEBUG_SD_INSTALL) 11268 Log.i(TAG, "Looking for pkg : " + pkgName); 11269 11270 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11271 if (ps == null) { 11272 Log.i(TAG, "Deleting container with no matching settings " + cid); 11273 removeCids.add(cid); 11274 continue; 11275 } 11276 11277 /* 11278 * Skip packages that are not external if we're unmounting 11279 * external storage. 11280 */ 11281 if (externalStorage && !isMounted && !isExternal(ps)) { 11282 continue; 11283 } 11284 11285 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11286 // The package status is changed only if the code path 11287 // matches between settings and the container id. 11288 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11289 if (DEBUG_SD_INSTALL) { 11290 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11291 + " at code path: " + ps.codePathString); 11292 } 11293 11294 // We do have a valid package installed on sdcard 11295 processCids.put(args, ps.codePathString); 11296 final int uid = ps.appId; 11297 if (uid != -1) { 11298 uidList[num++] = uid; 11299 } 11300 } else { 11301 Log.i(TAG, "Deleting stale container for " + cid); 11302 removeCids.add(cid); 11303 } 11304 } 11305 } 11306 11307 if (num > 0) { 11308 // Sort uid list 11309 Arrays.sort(uidList, 0, num); 11310 // Throw away duplicates 11311 uidArr = new int[num]; 11312 uidArr[0] = uidList[0]; 11313 int di = 0; 11314 for (int i = 1; i < num; i++) { 11315 if (uidList[i - 1] != uidList[i]) { 11316 uidArr[di++] = uidList[i]; 11317 } 11318 } 11319 } 11320 } 11321 // Process packages with valid entries. 11322 if (isMounted) { 11323 if (DEBUG_SD_INSTALL) 11324 Log.i(TAG, "Loading packages"); 11325 loadMediaPackages(processCids, uidArr, removeCids); 11326 startCleaningPackages(); 11327 } else { 11328 if (DEBUG_SD_INSTALL) 11329 Log.i(TAG, "Unloading packages"); 11330 unloadMediaPackages(processCids, uidArr, reportStatus); 11331 } 11332 } 11333 11334 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11335 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11336 int size = pkgList.size(); 11337 if (size > 0) { 11338 // Send broadcasts here 11339 Bundle extras = new Bundle(); 11340 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11341 .toArray(new String[size])); 11342 if (uidArr != null) { 11343 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11344 } 11345 if (replacing) { 11346 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11347 } 11348 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11349 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11350 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11351 } 11352 } 11353 11354 /* 11355 * Look at potentially valid container ids from processCids If package 11356 * information doesn't match the one on record or package scanning fails, 11357 * the cid is added to list of removeCids. We currently don't delete stale 11358 * containers. 11359 */ 11360 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11361 HashSet<String> removeCids) { 11362 ArrayList<String> pkgList = new ArrayList<String>(); 11363 Set<AsecInstallArgs> keys = processCids.keySet(); 11364 boolean doGc = false; 11365 for (AsecInstallArgs args : keys) { 11366 String codePath = processCids.get(args); 11367 if (DEBUG_SD_INSTALL) 11368 Log.i(TAG, "Loading container : " + args.cid); 11369 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11370 try { 11371 // Make sure there are no container errors first. 11372 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11373 Slog.e(TAG, "Failed to mount cid : " + args.cid 11374 + " when installing from sdcard"); 11375 continue; 11376 } 11377 // Check code path here. 11378 if (codePath == null || !codePath.equals(args.getCodePath())) { 11379 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11380 + " does not match one in settings " + codePath); 11381 continue; 11382 } 11383 // Parse package 11384 int parseFlags = mDefParseFlags; 11385 if (args.isExternal()) { 11386 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11387 } 11388 if (args.isFwdLocked()) { 11389 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11390 } 11391 11392 doGc = true; 11393 synchronized (mInstallLock) { 11394 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11395 0, 0, null); 11396 // Scan the package 11397 if (pkg != null) { 11398 /* 11399 * TODO why is the lock being held? doPostInstall is 11400 * called in other places without the lock. This needs 11401 * to be straightened out. 11402 */ 11403 // writer 11404 synchronized (mPackages) { 11405 retCode = PackageManager.INSTALL_SUCCEEDED; 11406 pkgList.add(pkg.packageName); 11407 // Post process args 11408 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11409 pkg.applicationInfo.uid); 11410 } 11411 } else { 11412 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11413 } 11414 } 11415 11416 } finally { 11417 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11418 // Don't destroy container here. Wait till gc clears things 11419 // up. 11420 removeCids.add(args.cid); 11421 } 11422 } 11423 } 11424 // writer 11425 synchronized (mPackages) { 11426 // If the platform SDK has changed since the last time we booted, 11427 // we need to re-grant app permission to catch any new ones that 11428 // appear. This is really a hack, and means that apps can in some 11429 // cases get permissions that the user didn't initially explicitly 11430 // allow... it would be nice to have some better way to handle 11431 // this situation. 11432 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11433 if (regrantPermissions) 11434 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11435 + mSdkVersion + "; regranting permissions for external storage"); 11436 mSettings.mExternalSdkPlatform = mSdkVersion; 11437 11438 // Make sure group IDs have been assigned, and any permission 11439 // changes in other apps are accounted for 11440 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11441 | (regrantPermissions 11442 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11443 : 0)); 11444 // can downgrade to reader 11445 // Persist settings 11446 mSettings.writeLPr(); 11447 } 11448 // Send a broadcast to let everyone know we are done processing 11449 if (pkgList.size() > 0) { 11450 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11451 } 11452 // Force gc to avoid any stale parser references that we might have. 11453 if (doGc) { 11454 Runtime.getRuntime().gc(); 11455 } 11456 // List stale containers and destroy stale temporary containers. 11457 if (removeCids != null) { 11458 for (String cid : removeCids) { 11459 if (cid.startsWith(mTempContainerPrefix)) { 11460 Log.i(TAG, "Destroying stale temporary container " + cid); 11461 PackageHelper.destroySdDir(cid); 11462 } else { 11463 Log.w(TAG, "Container " + cid + " is stale"); 11464 } 11465 } 11466 } 11467 } 11468 11469 /* 11470 * Utility method to unload a list of specified containers 11471 */ 11472 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11473 // Just unmount all valid containers. 11474 for (AsecInstallArgs arg : cidArgs) { 11475 synchronized (mInstallLock) { 11476 arg.doPostDeleteLI(false); 11477 } 11478 } 11479 } 11480 11481 /* 11482 * Unload packages mounted on external media. This involves deleting package 11483 * data from internal structures, sending broadcasts about diabled packages, 11484 * gc'ing to free up references, unmounting all secure containers 11485 * corresponding to packages on external media, and posting a 11486 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11487 * that we always have to post this message if status has been requested no 11488 * matter what. 11489 */ 11490 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11491 final boolean reportStatus) { 11492 if (DEBUG_SD_INSTALL) 11493 Log.i(TAG, "unloading media packages"); 11494 ArrayList<String> pkgList = new ArrayList<String>(); 11495 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11496 final Set<AsecInstallArgs> keys = processCids.keySet(); 11497 for (AsecInstallArgs args : keys) { 11498 String pkgName = args.getPackageName(); 11499 if (DEBUG_SD_INSTALL) 11500 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11501 // Delete package internally 11502 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11503 synchronized (mInstallLock) { 11504 boolean res = deletePackageLI(pkgName, null, false, null, null, 11505 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11506 if (res) { 11507 pkgList.add(pkgName); 11508 } else { 11509 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11510 failedList.add(args); 11511 } 11512 } 11513 } 11514 11515 // reader 11516 synchronized (mPackages) { 11517 // We didn't update the settings after removing each package; 11518 // write them now for all packages. 11519 mSettings.writeLPr(); 11520 } 11521 11522 // We have to absolutely send UPDATED_MEDIA_STATUS only 11523 // after confirming that all the receivers processed the ordered 11524 // broadcast when packages get disabled, force a gc to clean things up. 11525 // and unload all the containers. 11526 if (pkgList.size() > 0) { 11527 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11528 new IIntentReceiver.Stub() { 11529 public void performReceive(Intent intent, int resultCode, String data, 11530 Bundle extras, boolean ordered, boolean sticky, 11531 int sendingUser) throws RemoteException { 11532 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11533 reportStatus ? 1 : 0, 1, keys); 11534 mHandler.sendMessage(msg); 11535 } 11536 }); 11537 } else { 11538 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11539 keys); 11540 mHandler.sendMessage(msg); 11541 } 11542 } 11543 11544 /** Binder call */ 11545 @Override 11546 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11547 final int flags) { 11548 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11549 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11550 int returnCode = PackageManager.MOVE_SUCCEEDED; 11551 int currFlags = 0; 11552 int newFlags = 0; 11553 // reader 11554 synchronized (mPackages) { 11555 PackageParser.Package pkg = mPackages.get(packageName); 11556 if (pkg == null) { 11557 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11558 } else { 11559 // Disable moving fwd locked apps and system packages 11560 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11561 Slog.w(TAG, "Cannot move system application"); 11562 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11563 } else if (pkg.mOperationPending) { 11564 Slog.w(TAG, "Attempt to move package which has pending operations"); 11565 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11566 } else { 11567 // Find install location first 11568 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11569 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11570 Slog.w(TAG, "Ambigous flags specified for move location."); 11571 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11572 } else { 11573 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11574 : PackageManager.INSTALL_INTERNAL; 11575 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11576 : PackageManager.INSTALL_INTERNAL; 11577 11578 if (newFlags == currFlags) { 11579 Slog.w(TAG, "No move required. Trying to move to same location"); 11580 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11581 } else { 11582 if (isForwardLocked(pkg)) { 11583 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11584 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11585 } 11586 } 11587 } 11588 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11589 pkg.mOperationPending = true; 11590 } 11591 } 11592 } 11593 11594 /* 11595 * TODO this next block probably shouldn't be inside the lock. We 11596 * can't guarantee these won't change after this is fired off 11597 * anyway. 11598 */ 11599 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11600 processPendingMove(new MoveParams(null, observer, 0, packageName, 11601 null, -1, user), 11602 returnCode); 11603 } else { 11604 Message msg = mHandler.obtainMessage(INIT_COPY); 11605 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11606 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11607 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11608 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11609 msg.obj = mp; 11610 mHandler.sendMessage(msg); 11611 } 11612 } 11613 } 11614 11615 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11616 // Queue up an async operation since the package deletion may take a 11617 // little while. 11618 mHandler.post(new Runnable() { 11619 public void run() { 11620 // TODO fix this; this does nothing. 11621 mHandler.removeCallbacks(this); 11622 int returnCode = currentStatus; 11623 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11624 int uidArr[] = null; 11625 ArrayList<String> pkgList = null; 11626 synchronized (mPackages) { 11627 PackageParser.Package pkg = mPackages.get(mp.packageName); 11628 if (pkg == null) { 11629 Slog.w(TAG, " Package " + mp.packageName 11630 + " doesn't exist. Aborting move"); 11631 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11632 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11633 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11634 + mp.srcArgs.getCodePath() + " to " 11635 + pkg.applicationInfo.sourceDir 11636 + " Aborting move and returning error"); 11637 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11638 } else { 11639 uidArr = new int[] { 11640 pkg.applicationInfo.uid 11641 }; 11642 pkgList = new ArrayList<String>(); 11643 pkgList.add(mp.packageName); 11644 } 11645 } 11646 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11647 // Send resources unavailable broadcast 11648 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11649 // Update package code and resource paths 11650 synchronized (mInstallLock) { 11651 synchronized (mPackages) { 11652 PackageParser.Package pkg = mPackages.get(mp.packageName); 11653 // Recheck for package again. 11654 if (pkg == null) { 11655 Slog.w(TAG, " Package " + mp.packageName 11656 + " doesn't exist. Aborting move"); 11657 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11658 } else if (!mp.srcArgs.getCodePath().equals( 11659 pkg.applicationInfo.sourceDir)) { 11660 Slog.w(TAG, "Package " + mp.packageName 11661 + " code path changed from " + mp.srcArgs.getCodePath() 11662 + " to " + pkg.applicationInfo.sourceDir 11663 + " Aborting move and returning error"); 11664 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11665 } else { 11666 final String oldCodePath = pkg.mPath; 11667 final String newCodePath = mp.targetArgs.getCodePath(); 11668 final String newResPath = mp.targetArgs.getResourcePath(); 11669 final String newNativePath = mp.targetArgs 11670 .getNativeLibraryPath(); 11671 11672 final File newNativeDir = new File(newNativePath); 11673 11674 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11675 // NOTE: We do not report any errors from the APK scan and library 11676 // copy at this point. 11677 NativeLibraryHelper.ApkHandle handle = 11678 new NativeLibraryHelper.ApkHandle(newCodePath); 11679 final int abi = NativeLibraryHelper.findSupportedAbi( 11680 handle, Build.SUPPORTED_ABIS); 11681 if (abi >= 0) { 11682 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11683 handle, newNativeDir, Build.SUPPORTED_ABIS[abi]); 11684 } 11685 handle.close(); 11686 } 11687 final int[] users = sUserManager.getUserIds(); 11688 for (int user : users) { 11689 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11690 newNativePath, user) < 0) { 11691 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11692 } 11693 } 11694 11695 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11696 pkg.mPath = newCodePath; 11697 // Move dex files around 11698 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11699 // Moving of dex files failed. Set 11700 // error code and abort move. 11701 pkg.mPath = pkg.mScanPath; 11702 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11703 } 11704 } 11705 11706 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11707 pkg.mScanPath = newCodePath; 11708 pkg.applicationInfo.sourceDir = newCodePath; 11709 pkg.applicationInfo.publicSourceDir = newResPath; 11710 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11711 PackageSetting ps = (PackageSetting) pkg.mExtras; 11712 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11713 ps.codePathString = ps.codePath.getPath(); 11714 ps.resourcePath = new File( 11715 pkg.applicationInfo.publicSourceDir); 11716 ps.resourcePathString = ps.resourcePath.getPath(); 11717 ps.nativeLibraryPathString = newNativePath; 11718 // Set the application info flag 11719 // correctly. 11720 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11721 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11722 } else { 11723 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11724 } 11725 ps.setFlags(pkg.applicationInfo.flags); 11726 mAppDirs.remove(oldCodePath); 11727 mAppDirs.put(newCodePath, pkg); 11728 // Persist settings 11729 mSettings.writeLPr(); 11730 } 11731 } 11732 } 11733 } 11734 // Send resources available broadcast 11735 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11736 } 11737 } 11738 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11739 // Clean up failed installation 11740 if (mp.targetArgs != null) { 11741 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11742 -1); 11743 } 11744 } else { 11745 // Force a gc to clear things up. 11746 Runtime.getRuntime().gc(); 11747 // Delete older code 11748 synchronized (mInstallLock) { 11749 mp.srcArgs.doPostDeleteLI(true); 11750 } 11751 } 11752 11753 // Allow more operations on this file if we didn't fail because 11754 // an operation was already pending for this package. 11755 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11756 synchronized (mPackages) { 11757 PackageParser.Package pkg = mPackages.get(mp.packageName); 11758 if (pkg != null) { 11759 pkg.mOperationPending = false; 11760 } 11761 } 11762 } 11763 11764 IPackageMoveObserver observer = mp.observer; 11765 if (observer != null) { 11766 try { 11767 observer.packageMoved(mp.packageName, returnCode); 11768 } catch (RemoteException e) { 11769 Log.i(TAG, "Observer no longer exists."); 11770 } 11771 } 11772 } 11773 }); 11774 } 11775 11776 public boolean setInstallLocation(int loc) { 11777 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11778 null); 11779 if (getInstallLocation() == loc) { 11780 return true; 11781 } 11782 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11783 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11784 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11785 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11786 return true; 11787 } 11788 return false; 11789 } 11790 11791 public int getInstallLocation() { 11792 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11793 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11794 PackageHelper.APP_INSTALL_AUTO); 11795 } 11796 11797 /** Called by UserManagerService */ 11798 void cleanUpUserLILPw(int userHandle) { 11799 mDirtyUsers.remove(userHandle); 11800 mSettings.removeUserLPr(userHandle); 11801 mPendingBroadcasts.remove(userHandle); 11802 if (mInstaller != null) { 11803 // Technically, we shouldn't be doing this with the package lock 11804 // held. However, this is very rare, and there is already so much 11805 // other disk I/O going on, that we'll let it slide for now. 11806 mInstaller.removeUserDataDirs(userHandle); 11807 } 11808 } 11809 11810 /** Called by UserManagerService */ 11811 void createNewUserLILPw(int userHandle, File path) { 11812 if (mInstaller != null) { 11813 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11814 } 11815 } 11816 11817 @Override 11818 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11819 mContext.enforceCallingOrSelfPermission( 11820 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11821 "Only package verification agents can read the verifier device identity"); 11822 11823 synchronized (mPackages) { 11824 return mSettings.getVerifierDeviceIdentityLPw(); 11825 } 11826 } 11827 11828 @Override 11829 public void setPermissionEnforced(String permission, boolean enforced) { 11830 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11831 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11832 synchronized (mPackages) { 11833 if (mSettings.mReadExternalStorageEnforced == null 11834 || mSettings.mReadExternalStorageEnforced != enforced) { 11835 mSettings.mReadExternalStorageEnforced = enforced; 11836 mSettings.writeLPr(); 11837 } 11838 } 11839 // kill any non-foreground processes so we restart them and 11840 // grant/revoke the GID. 11841 final IActivityManager am = ActivityManagerNative.getDefault(); 11842 if (am != null) { 11843 final long token = Binder.clearCallingIdentity(); 11844 try { 11845 am.killProcessesBelowForeground("setPermissionEnforcement"); 11846 } catch (RemoteException e) { 11847 } finally { 11848 Binder.restoreCallingIdentity(token); 11849 } 11850 } 11851 } else { 11852 throw new IllegalArgumentException("No selective enforcement for " + permission); 11853 } 11854 } 11855 11856 @Override 11857 @Deprecated 11858 public boolean isPermissionEnforced(String permission) { 11859 return true; 11860 } 11861 11862 @Override 11863 public boolean isStorageLow() { 11864 final long token = Binder.clearCallingIdentity(); 11865 try { 11866 final DeviceStorageMonitorInternal 11867 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11868 if (dsm != null) { 11869 return dsm.isMemoryLow(); 11870 } else { 11871 return false; 11872 } 11873 } finally { 11874 Binder.restoreCallingIdentity(token); 11875 } 11876 } 11877} 11878