PackageManagerService.java revision ce30fca85deec8e268009a2acaefe85541ab1e58
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static com.android.internal.util.ArrayUtils.appendInt; 27import static com.android.internal.util.ArrayUtils.removeInt; 28import static libcore.io.OsConstants.S_IRWXU; 29import static libcore.io.OsConstants.S_IRGRP; 30import static libcore.io.OsConstants.S_IXGRP; 31import static libcore.io.OsConstants.S_IROTH; 32import static libcore.io.OsConstants.S_IXOTH; 33 34import com.android.internal.app.IMediaContainerService; 35import com.android.internal.app.ResolverActivity; 36import com.android.internal.content.NativeLibraryHelper; 37import com.android.internal.content.PackageHelper; 38import com.android.internal.util.FastPrintWriter; 39import com.android.internal.util.FastXmlSerializer; 40import com.android.internal.util.XmlUtils; 41import com.android.server.EventLogTags; 42import com.android.server.IntentResolver; 43import com.android.server.ServiceThread; 44 45import com.android.server.LocalServices; 46import com.android.server.Watchdog; 47import org.xmlpull.v1.XmlPullParser; 48import org.xmlpull.v1.XmlPullParserException; 49import org.xmlpull.v1.XmlSerializer; 50 51import android.app.ActivityManager; 52import android.app.ActivityManagerNative; 53import android.app.IActivityManager; 54import android.app.admin.IDevicePolicyManager; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.IIntentReceiver; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.IntentSender; 63import android.content.ServiceConnection; 64import android.content.IntentSender.SendIntentException; 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.PackageCleanItem; 77import android.content.pm.PackageInfo; 78import android.content.pm.PackageInfoLite; 79import android.content.pm.PackageManager; 80import android.content.pm.PackageParser; 81import android.content.pm.PackageUserState; 82import android.content.pm.PackageParser.ActivityIntentInfo; 83import android.content.pm.PackageStats; 84import android.content.pm.ParceledListSlice; 85import android.content.pm.PermissionGroupInfo; 86import android.content.pm.PermissionInfo; 87import android.content.pm.ProviderInfo; 88import android.content.pm.ResolveInfo; 89import android.content.pm.ServiceInfo; 90import android.content.pm.Signature; 91import android.content.pm.ManifestDigest; 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.FileObserver; 103import android.os.FileUtils; 104import android.os.Handler; 105import android.os.HandlerThread; 106import android.os.IBinder; 107import android.os.Looper; 108import android.os.Message; 109import android.os.Parcel; 110import android.os.ParcelFileDescriptor; 111import android.os.Process; 112import android.os.RemoteException; 113import android.os.SELinux; 114import android.os.ServiceManager; 115import android.os.SystemClock; 116import android.os.SystemProperties; 117import android.os.UserHandle; 118import android.os.Environment.UserEnvironment; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.text.TextUtils; 123import android.util.DisplayMetrics; 124import android.util.EventLog; 125import android.util.Log; 126import android.util.LogPrinter; 127import android.util.PrintStreamPrinter; 128import android.util.Slog; 129import android.util.SparseArray; 130import android.util.Xml; 131import android.view.Display; 132 133import java.io.BufferedOutputStream; 134import java.io.File; 135import java.io.FileDescriptor; 136import java.io.FileInputStream; 137import java.io.FileNotFoundException; 138import java.io.FileOutputStream; 139import java.io.FileReader; 140import java.io.FilenameFilter; 141import java.io.IOException; 142import java.io.PrintWriter; 143import java.security.NoSuchAlgorithmException; 144import java.security.PublicKey; 145import java.security.cert.CertificateException; 146import java.text.SimpleDateFormat; 147import java.util.ArrayList; 148import java.util.Arrays; 149import java.util.Collection; 150import java.util.Collections; 151import java.util.Comparator; 152import java.util.Date; 153import java.util.HashMap; 154import java.util.HashSet; 155import java.util.Iterator; 156import java.util.List; 157import java.util.Map; 158import java.util.Set; 159 160import libcore.io.ErrnoException; 161import libcore.io.IoUtils; 162import libcore.io.Libcore; 163import libcore.io.StructStat; 164 165import com.android.internal.R; 166import com.android.server.storage.DeviceStorageMonitorInternal; 167 168/** 169 * Keep track of all those .apks everywhere. 170 * 171 * This is very central to the platform's security; please run the unit 172 * tests whenever making modifications here: 173 * 174mmm frameworks/base/tests/AndroidTests 175adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 176adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 177 * 178 * {@hide} 179 */ 180public class PackageManagerService extends IPackageManager.Stub { 181 static final String TAG = "PackageManager"; 182 static final boolean DEBUG_SETTINGS = false; 183 static final boolean DEBUG_PREFERRED = false; 184 static final boolean DEBUG_UPGRADE = false; 185 private static final boolean DEBUG_INSTALL = false; 186 private static final boolean DEBUG_REMOVE = false; 187 private static final boolean DEBUG_BROADCASTS = false; 188 private static final boolean DEBUG_SHOW_INFO = false; 189 private static final boolean DEBUG_PACKAGE_INFO = false; 190 private static final boolean DEBUG_INTENT_MATCHING = false; 191 private static final boolean DEBUG_PACKAGE_SCANNING = false; 192 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 193 private static final boolean DEBUG_VERIFY = false; 194 195 private static final int RADIO_UID = Process.PHONE_UID; 196 private static final int LOG_UID = Process.LOG_UID; 197 private static final int NFC_UID = Process.NFC_UID; 198 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 199 private static final int SHELL_UID = Process.SHELL_UID; 200 201 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"; 263 264 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 265 266 static final String mTempContainerPrefix = "smdl2tmp"; 267 268 final ServiceThread mHandlerThread; 269 270 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 271 private static final String IDMAP_SUFFIX = "@idmap"; 272 273 final PackageHandler mHandler; 274 275 final int mSdkVersion = Build.VERSION.SDK_INT; 276 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 277 ? null : Build.VERSION.CODENAME; 278 279 final Context mContext; 280 final boolean mFactoryTest; 281 final boolean mOnlyCore; 282 final boolean mNoDexOpt; 283 final DisplayMetrics mMetrics; 284 final int mDefParseFlags; 285 final String[] mSeparateProcesses; 286 287 // This is where all application persistent data goes. 288 final File mAppDataDir; 289 290 // This is where all application persistent data goes for secondary users. 291 final File mUserAppDataDir; 292 293 /** The location for ASEC container files on internal storage. */ 294 final String mAsecInternalPath; 295 296 // This is the object monitoring the framework dir. 297 final FileObserver mFrameworkInstallObserver; 298 299 // This is the object monitoring the system app dir. 300 final FileObserver mSystemInstallObserver; 301 302 // This is the object monitoring the privileged system app dir. 303 final FileObserver mPrivilegedInstallObserver; 304 305 // This is the object monitoring the system app dir. 306 final FileObserver mVendorInstallObserver; 307 308 // This is the object monitoring the vendor overlay package dir. 309 final FileObserver mVendorOverlayInstallObserver; 310 311 // This is the object monitoring mAppInstallDir. 312 final FileObserver mAppInstallObserver; 313 314 // This is the object monitoring mDrmAppPrivateInstallDir. 315 final FileObserver mDrmAppInstallObserver; 316 317 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 318 // LOCK HELD. Can be called with mInstallLock held. 319 final Installer mInstaller; 320 321 final File mAppInstallDir; 322 323 /** 324 * Directory to which applications installed internally have native 325 * libraries copied. 326 */ 327 private File mAppLibInstallDir; 328 329 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 330 // apps. 331 final File mDrmAppPrivateInstallDir; 332 333 // ---------------------------------------------------------------- 334 335 // Lock for state used when installing and doing other long running 336 // operations. Methods that must be called with this lock held have 337 // the prefix "LI". 338 final Object mInstallLock = new Object(); 339 340 // These are the directories in the 3rd party applications installed dir 341 // that we have currently loaded packages from. Keys are the application's 342 // installed zip file (absolute codePath), and values are Package. 343 final HashMap<String, PackageParser.Package> mAppDirs = 344 new HashMap<String, PackageParser.Package>(); 345 346 // Information for the parser to write more useful error messages. 347 int mLastScanError; 348 349 // ---------------------------------------------------------------- 350 351 // Keys are String (package name), values are Package. This also serves 352 // as the lock for the global state. Methods that must be called with 353 // this lock held have the prefix "LP". 354 final HashMap<String, PackageParser.Package> mPackages = 355 new HashMap<String, PackageParser.Package>(); 356 357 // Tracks available target package names -> overlay package paths. 358 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 359 new HashMap<String, HashMap<String, PackageParser.Package>>(); 360 361 final Settings mSettings; 362 boolean mRestoredSettings; 363 364 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 365 int[] mGlobalGids; 366 367 // These are the built-in uid -> permission mappings that were read from the 368 // etc/permissions.xml file. 369 final SparseArray<HashSet<String>> mSystemPermissions = 370 new SparseArray<HashSet<String>>(); 371 372 static final class SharedLibraryEntry { 373 final String path; 374 final String apk; 375 376 SharedLibraryEntry(String _path, String _apk) { 377 path = _path; 378 apk = _apk; 379 } 380 } 381 382 // These are the built-in shared libraries that were read from the 383 // etc/permissions.xml file. 384 final HashMap<String, SharedLibraryEntry> mSharedLibraries 385 = new HashMap<String, SharedLibraryEntry>(); 386 387 // Temporary for building the final shared libraries for an .apk. 388 String[] mTmpSharedLibraries = null; 389 390 // These are the features this devices supports that were read from the 391 // etc/permissions.xml file. 392 final HashMap<String, FeatureInfo> mAvailableFeatures = 393 new HashMap<String, FeatureInfo>(); 394 395 // If mac_permissions.xml was found for seinfo labeling. 396 boolean mFoundPolicyFile; 397 398 // If a recursive restorecon of /data/data/<pkg> is needed. 399 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 400 401 // All available activities, for your resolving pleasure. 402 final ActivityIntentResolver mActivities = 403 new ActivityIntentResolver(); 404 405 // All available receivers, for your resolving pleasure. 406 final ActivityIntentResolver mReceivers = 407 new ActivityIntentResolver(); 408 409 // All available services, for your resolving pleasure. 410 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 411 412 // All available providers, for your resolving pleasure. 413 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 414 415 // Mapping from provider base names (first directory in content URI codePath) 416 // to the provider information. 417 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 418 new HashMap<String, PackageParser.Provider>(); 419 420 // Mapping from instrumentation class names to info about them. 421 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 422 new HashMap<ComponentName, PackageParser.Instrumentation>(); 423 424 // Mapping from permission names to info about them. 425 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 426 new HashMap<String, PackageParser.PermissionGroup>(); 427 428 // Packages whose data we have transfered into another package, thus 429 // should no longer exist. 430 final HashSet<String> mTransferedPackages = new HashSet<String>(); 431 432 // Broadcast actions that are only available to the system. 433 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 434 435 /** List of packages waiting for verification. */ 436 final SparseArray<PackageVerificationState> mPendingVerification 437 = new SparseArray<PackageVerificationState>(); 438 439 HashSet<PackageParser.Package> mDeferredDexOpt = null; 440 441 /** Token for keys in mPendingVerification. */ 442 private int mPendingVerificationToken = 0; 443 444 boolean mSystemReady; 445 boolean mSafeMode; 446 boolean mHasSystemUidErrors; 447 448 ApplicationInfo mAndroidApplication; 449 final ActivityInfo mResolveActivity = new ActivityInfo(); 450 final ResolveInfo mResolveInfo = new ResolveInfo(); 451 ComponentName mResolveComponentName; 452 PackageParser.Package mPlatformPackage; 453 ComponentName mCustomResolverComponentName; 454 455 boolean mResolverReplaced = false; 456 457 // Set of pending broadcasts for aggregating enable/disable of components. 458 static class PendingPackageBroadcasts { 459 // for each user id, a map of <package name -> components within that package> 460 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 461 462 public PendingPackageBroadcasts() { 463 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 464 } 465 466 public ArrayList<String> get(int userId, String packageName) { 467 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 468 return packages.get(packageName); 469 } 470 471 public void put(int userId, String packageName, ArrayList<String> components) { 472 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 473 packages.put(packageName, components); 474 } 475 476 public void remove(int userId, String packageName) { 477 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 478 if (packages != null) { 479 packages.remove(packageName); 480 } 481 } 482 483 public void remove(int userId) { 484 mUidMap.remove(userId); 485 } 486 487 public int userIdCount() { 488 return mUidMap.size(); 489 } 490 491 public int userIdAt(int n) { 492 return mUidMap.keyAt(n); 493 } 494 495 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 496 return mUidMap.get(userId); 497 } 498 499 public int size() { 500 // total number of pending broadcast entries across all userIds 501 int num = 0; 502 for (int i = 0; i< mUidMap.size(); i++) { 503 num += mUidMap.valueAt(i).size(); 504 } 505 return num; 506 } 507 508 public void clear() { 509 mUidMap.clear(); 510 } 511 512 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 513 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 514 if (map == null) { 515 map = new HashMap<String, ArrayList<String>>(); 516 mUidMap.put(userId, map); 517 } 518 return map; 519 } 520 } 521 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 522 523 // Service Connection to remote media container service to copy 524 // package uri's from external media onto secure containers 525 // or internal storage. 526 private IMediaContainerService mContainerService = null; 527 528 static final int SEND_PENDING_BROADCAST = 1; 529 static final int MCS_BOUND = 3; 530 static final int END_COPY = 4; 531 static final int INIT_COPY = 5; 532 static final int MCS_UNBIND = 6; 533 static final int START_CLEANING_PACKAGE = 7; 534 static final int FIND_INSTALL_LOC = 8; 535 static final int POST_INSTALL = 9; 536 static final int MCS_RECONNECT = 10; 537 static final int MCS_GIVE_UP = 11; 538 static final int UPDATED_MEDIA_STATUS = 12; 539 static final int WRITE_SETTINGS = 13; 540 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 541 static final int PACKAGE_VERIFIED = 15; 542 static final int CHECK_PENDING_VERIFICATION = 16; 543 544 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 545 546 // Delay time in millisecs 547 static final int BROADCAST_DELAY = 10 * 1000; 548 549 static UserManagerService sUserManager; 550 551 // Stores a list of users whose package restrictions file needs to be updated 552 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 553 554 final private DefaultContainerConnection mDefContainerConn = 555 new DefaultContainerConnection(); 556 class DefaultContainerConnection implements ServiceConnection { 557 public void onServiceConnected(ComponentName name, IBinder service) { 558 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 559 IMediaContainerService imcs = 560 IMediaContainerService.Stub.asInterface(service); 561 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 562 } 563 564 public void onServiceDisconnected(ComponentName name) { 565 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 566 } 567 }; 568 569 // Recordkeeping of restore-after-install operations that are currently in flight 570 // between the Package Manager and the Backup Manager 571 class PostInstallData { 572 public InstallArgs args; 573 public PackageInstalledInfo res; 574 575 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 576 args = _a; 577 res = _r; 578 } 579 }; 580 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 581 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 582 583 private final String mRequiredVerifierPackage; 584 585 class PackageHandler extends Handler { 586 private boolean mBound = false; 587 final ArrayList<HandlerParams> mPendingInstalls = 588 new ArrayList<HandlerParams>(); 589 590 private boolean connectToService() { 591 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 592 " DefaultContainerService"); 593 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 594 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 595 if (mContext.bindServiceAsUser(service, mDefContainerConn, 596 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 597 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 598 mBound = true; 599 return true; 600 } 601 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 602 return false; 603 } 604 605 private void disconnectService() { 606 mContainerService = null; 607 mBound = false; 608 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 609 mContext.unbindService(mDefContainerConn); 610 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 611 } 612 613 PackageHandler(Looper looper) { 614 super(looper); 615 } 616 617 public void handleMessage(Message msg) { 618 try { 619 doHandleMessage(msg); 620 } finally { 621 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 622 } 623 } 624 625 void doHandleMessage(Message msg) { 626 switch (msg.what) { 627 case INIT_COPY: { 628 HandlerParams params = (HandlerParams) msg.obj; 629 int idx = mPendingInstalls.size(); 630 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 631 // If a bind was already initiated we dont really 632 // need to do anything. The pending install 633 // will be processed later on. 634 if (!mBound) { 635 // If this is the only one pending we might 636 // have to bind to the service again. 637 if (!connectToService()) { 638 Slog.e(TAG, "Failed to bind to media container service"); 639 params.serviceError(); 640 return; 641 } else { 642 // Once we bind to the service, the first 643 // pending request will be processed. 644 mPendingInstalls.add(idx, params); 645 } 646 } else { 647 mPendingInstalls.add(idx, params); 648 // Already bound to the service. Just make 649 // sure we trigger off processing the first request. 650 if (idx == 0) { 651 mHandler.sendEmptyMessage(MCS_BOUND); 652 } 653 } 654 break; 655 } 656 case MCS_BOUND: { 657 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 658 if (msg.obj != null) { 659 mContainerService = (IMediaContainerService) msg.obj; 660 } 661 if (mContainerService == null) { 662 // Something seriously wrong. Bail out 663 Slog.e(TAG, "Cannot bind to media container service"); 664 for (HandlerParams params : mPendingInstalls) { 665 // Indicate service bind error 666 params.serviceError(); 667 } 668 mPendingInstalls.clear(); 669 } else if (mPendingInstalls.size() > 0) { 670 HandlerParams params = mPendingInstalls.get(0); 671 if (params != null) { 672 if (params.startCopy()) { 673 // We are done... look for more work or to 674 // go idle. 675 if (DEBUG_SD_INSTALL) Log.i(TAG, 676 "Checking for more work or unbind..."); 677 // Delete pending install 678 if (mPendingInstalls.size() > 0) { 679 mPendingInstalls.remove(0); 680 } 681 if (mPendingInstalls.size() == 0) { 682 if (mBound) { 683 if (DEBUG_SD_INSTALL) Log.i(TAG, 684 "Posting delayed MCS_UNBIND"); 685 removeMessages(MCS_UNBIND); 686 Message ubmsg = obtainMessage(MCS_UNBIND); 687 // Unbind after a little delay, to avoid 688 // continual thrashing. 689 sendMessageDelayed(ubmsg, 10000); 690 } 691 } else { 692 // There are more pending requests in queue. 693 // Just post MCS_BOUND message to trigger processing 694 // of next pending install. 695 if (DEBUG_SD_INSTALL) Log.i(TAG, 696 "Posting MCS_BOUND for next woek"); 697 mHandler.sendEmptyMessage(MCS_BOUND); 698 } 699 } 700 } 701 } else { 702 // Should never happen ideally. 703 Slog.w(TAG, "Empty queue"); 704 } 705 break; 706 } 707 case MCS_RECONNECT: { 708 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 709 if (mPendingInstalls.size() > 0) { 710 if (mBound) { 711 disconnectService(); 712 } 713 if (!connectToService()) { 714 Slog.e(TAG, "Failed to bind to media container service"); 715 for (HandlerParams params : mPendingInstalls) { 716 // Indicate service bind error 717 params.serviceError(); 718 } 719 mPendingInstalls.clear(); 720 } 721 } 722 break; 723 } 724 case MCS_UNBIND: { 725 // If there is no actual work left, then time to unbind. 726 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 727 728 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 729 if (mBound) { 730 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 731 732 disconnectService(); 733 } 734 } else if (mPendingInstalls.size() > 0) { 735 // There are more pending requests in queue. 736 // Just post MCS_BOUND message to trigger processing 737 // of next pending install. 738 mHandler.sendEmptyMessage(MCS_BOUND); 739 } 740 741 break; 742 } 743 case MCS_GIVE_UP: { 744 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 745 mPendingInstalls.remove(0); 746 break; 747 } 748 case SEND_PENDING_BROADCAST: { 749 String packages[]; 750 ArrayList<String> components[]; 751 int size = 0; 752 int uids[]; 753 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 754 synchronized (mPackages) { 755 if (mPendingBroadcasts == null) { 756 return; 757 } 758 size = mPendingBroadcasts.size(); 759 if (size <= 0) { 760 // Nothing to be done. Just return 761 return; 762 } 763 packages = new String[size]; 764 components = new ArrayList[size]; 765 uids = new int[size]; 766 int i = 0; // filling out the above arrays 767 768 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 769 int packageUserId = mPendingBroadcasts.userIdAt(n); 770 Iterator<Map.Entry<String, ArrayList<String>>> it 771 = mPendingBroadcasts.packagesForUserId(packageUserId) 772 .entrySet().iterator(); 773 while (it.hasNext() && i < size) { 774 Map.Entry<String, ArrayList<String>> ent = it.next(); 775 packages[i] = ent.getKey(); 776 components[i] = ent.getValue(); 777 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 778 uids[i] = (ps != null) 779 ? UserHandle.getUid(packageUserId, ps.appId) 780 : -1; 781 i++; 782 } 783 } 784 size = i; 785 mPendingBroadcasts.clear(); 786 } 787 // Send broadcasts 788 for (int i = 0; i < size; i++) { 789 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 790 } 791 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 792 break; 793 } 794 case START_CLEANING_PACKAGE: { 795 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 796 final String packageName = (String)msg.obj; 797 final int userId = msg.arg1; 798 final boolean andCode = msg.arg2 != 0; 799 synchronized (mPackages) { 800 if (userId == UserHandle.USER_ALL) { 801 int[] users = sUserManager.getUserIds(); 802 for (int user : users) { 803 mSettings.addPackageToCleanLPw( 804 new PackageCleanItem(user, packageName, andCode)); 805 } 806 } else { 807 mSettings.addPackageToCleanLPw( 808 new PackageCleanItem(userId, packageName, andCode)); 809 } 810 } 811 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 812 startCleaningPackages(); 813 } break; 814 case POST_INSTALL: { 815 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 816 PostInstallData data = mRunningInstalls.get(msg.arg1); 817 mRunningInstalls.delete(msg.arg1); 818 boolean deleteOld = false; 819 820 if (data != null) { 821 InstallArgs args = data.args; 822 PackageInstalledInfo res = data.res; 823 824 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 825 res.removedInfo.sendBroadcast(false, true, false); 826 Bundle extras = new Bundle(1); 827 extras.putInt(Intent.EXTRA_UID, res.uid); 828 // Determine the set of users who are adding this 829 // package for the first time vs. those who are seeing 830 // an update. 831 int[] firstUsers; 832 int[] updateUsers = new int[0]; 833 if (res.origUsers == null || res.origUsers.length == 0) { 834 firstUsers = res.newUsers; 835 } else { 836 firstUsers = new int[0]; 837 for (int i=0; i<res.newUsers.length; i++) { 838 int user = res.newUsers[i]; 839 boolean isNew = true; 840 for (int j=0; j<res.origUsers.length; j++) { 841 if (res.origUsers[j] == user) { 842 isNew = false; 843 break; 844 } 845 } 846 if (isNew) { 847 int[] newFirst = new int[firstUsers.length+1]; 848 System.arraycopy(firstUsers, 0, newFirst, 0, 849 firstUsers.length); 850 newFirst[firstUsers.length] = user; 851 firstUsers = newFirst; 852 } else { 853 int[] newUpdate = new int[updateUsers.length+1]; 854 System.arraycopy(updateUsers, 0, newUpdate, 0, 855 updateUsers.length); 856 newUpdate[updateUsers.length] = user; 857 updateUsers = newUpdate; 858 } 859 } 860 } 861 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 862 res.pkg.applicationInfo.packageName, 863 extras, null, null, firstUsers); 864 final boolean update = res.removedInfo.removedPackage != null; 865 if (update) { 866 extras.putBoolean(Intent.EXTRA_REPLACING, true); 867 } 868 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 869 res.pkg.applicationInfo.packageName, 870 extras, null, null, updateUsers); 871 if (update) { 872 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 873 res.pkg.applicationInfo.packageName, 874 extras, null, null, updateUsers); 875 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 876 null, null, 877 res.pkg.applicationInfo.packageName, null, updateUsers); 878 879 // treat asec-hosted packages like removable media on upgrade 880 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 881 if (DEBUG_INSTALL) { 882 Slog.i(TAG, "upgrading pkg " + res.pkg 883 + " is ASEC-hosted -> AVAILABLE"); 884 } 885 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 886 ArrayList<String> pkgList = new ArrayList<String>(1); 887 pkgList.add(res.pkg.applicationInfo.packageName); 888 sendResourcesChangedBroadcast(true, true, 889 pkgList,uidArray, null); 890 } 891 } 892 if (res.removedInfo.args != null) { 893 // Remove the replaced package's older resources safely now 894 deleteOld = true; 895 } 896 897 // Log current value of "unknown sources" setting 898 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 899 getUnknownSourcesSettings()); 900 } 901 // Force a gc to clear up things 902 Runtime.getRuntime().gc(); 903 // We delete after a gc for applications on sdcard. 904 if (deleteOld) { 905 synchronized (mInstallLock) { 906 res.removedInfo.args.doPostDeleteLI(true); 907 } 908 } 909 if (args.observer != null) { 910 try { 911 args.observer.packageInstalled(res.name, res.returnCode); 912 } catch (RemoteException e) { 913 Slog.i(TAG, "Observer no longer exists."); 914 } 915 } 916 } else { 917 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 918 } 919 } break; 920 case UPDATED_MEDIA_STATUS: { 921 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 922 boolean reportStatus = msg.arg1 == 1; 923 boolean doGc = msg.arg2 == 1; 924 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 925 if (doGc) { 926 // Force a gc to clear up stale containers. 927 Runtime.getRuntime().gc(); 928 } 929 if (msg.obj != null) { 930 @SuppressWarnings("unchecked") 931 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 932 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 933 // Unload containers 934 unloadAllContainers(args); 935 } 936 if (reportStatus) { 937 try { 938 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 939 PackageHelper.getMountService().finishMediaUpdate(); 940 } catch (RemoteException e) { 941 Log.e(TAG, "MountService not running?"); 942 } 943 } 944 } break; 945 case WRITE_SETTINGS: { 946 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 947 synchronized (mPackages) { 948 removeMessages(WRITE_SETTINGS); 949 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 950 mSettings.writeLPr(); 951 mDirtyUsers.clear(); 952 } 953 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 954 } break; 955 case WRITE_PACKAGE_RESTRICTIONS: { 956 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 957 synchronized (mPackages) { 958 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 959 for (int userId : mDirtyUsers) { 960 mSettings.writePackageRestrictionsLPr(userId); 961 } 962 mDirtyUsers.clear(); 963 } 964 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 965 } break; 966 case CHECK_PENDING_VERIFICATION: { 967 final int verificationId = msg.arg1; 968 final PackageVerificationState state = mPendingVerification.get(verificationId); 969 970 if ((state != null) && !state.timeoutExtended()) { 971 final InstallArgs args = state.getInstallArgs(); 972 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 973 mPendingVerification.remove(verificationId); 974 975 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 976 977 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 978 Slog.i(TAG, "Continuing with installation of " 979 + args.packageURI.toString()); 980 state.setVerifierResponse(Binder.getCallingUid(), 981 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 982 broadcastPackageVerified(verificationId, args.packageURI, 983 PackageManager.VERIFICATION_ALLOW, 984 state.getInstallArgs().getUser()); 985 try { 986 ret = args.copyApk(mContainerService, true); 987 } catch (RemoteException e) { 988 Slog.e(TAG, "Could not contact the ContainerService"); 989 } 990 } else { 991 broadcastPackageVerified(verificationId, args.packageURI, 992 PackageManager.VERIFICATION_REJECT, 993 state.getInstallArgs().getUser()); 994 } 995 996 processPendingInstall(args, ret); 997 mHandler.sendEmptyMessage(MCS_UNBIND); 998 } 999 break; 1000 } 1001 case PACKAGE_VERIFIED: { 1002 final int verificationId = msg.arg1; 1003 1004 final PackageVerificationState state = mPendingVerification.get(verificationId); 1005 if (state == null) { 1006 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1007 break; 1008 } 1009 1010 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1011 1012 state.setVerifierResponse(response.callerUid, response.code); 1013 1014 if (state.isVerificationComplete()) { 1015 mPendingVerification.remove(verificationId); 1016 1017 final InstallArgs args = state.getInstallArgs(); 1018 1019 int ret; 1020 if (state.isInstallAllowed()) { 1021 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1022 broadcastPackageVerified(verificationId, args.packageURI, 1023 response.code, state.getInstallArgs().getUser()); 1024 try { 1025 ret = args.copyApk(mContainerService, true); 1026 } catch (RemoteException e) { 1027 Slog.e(TAG, "Could not contact the ContainerService"); 1028 } 1029 } else { 1030 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1031 } 1032 1033 processPendingInstall(args, ret); 1034 1035 mHandler.sendEmptyMessage(MCS_UNBIND); 1036 } 1037 1038 break; 1039 } 1040 } 1041 } 1042 } 1043 1044 void scheduleWriteSettingsLocked() { 1045 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1046 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1047 } 1048 } 1049 1050 void scheduleWritePackageRestrictionsLocked(int userId) { 1051 if (!sUserManager.exists(userId)) return; 1052 mDirtyUsers.add(userId); 1053 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1054 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1055 } 1056 } 1057 1058 public static final IPackageManager main(Context context, Installer installer, 1059 boolean factoryTest, boolean onlyCore) { 1060 PackageManagerService m = new PackageManagerService(context, installer, 1061 factoryTest, onlyCore); 1062 ServiceManager.addService("package", m); 1063 return m; 1064 } 1065 1066 static String[] splitString(String str, char sep) { 1067 int count = 1; 1068 int i = 0; 1069 while ((i=str.indexOf(sep, i)) >= 0) { 1070 count++; 1071 i++; 1072 } 1073 1074 String[] res = new String[count]; 1075 i=0; 1076 count = 0; 1077 int lastI=0; 1078 while ((i=str.indexOf(sep, i)) >= 0) { 1079 res[count] = str.substring(lastI, i); 1080 count++; 1081 i++; 1082 lastI = i; 1083 } 1084 res[count] = str.substring(lastI, str.length()); 1085 return res; 1086 } 1087 1088 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1089 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1090 Context.DISPLAY_SERVICE); 1091 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1092 } 1093 1094 public PackageManagerService(Context context, Installer installer, 1095 boolean factoryTest, boolean onlyCore) { 1096 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1097 SystemClock.uptimeMillis()); 1098 1099 if (mSdkVersion <= 0) { 1100 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1101 } 1102 1103 mContext = context; 1104 mFactoryTest = factoryTest; 1105 mOnlyCore = onlyCore; 1106 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1107 mMetrics = new DisplayMetrics(); 1108 mSettings = new Settings(context); 1109 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1110 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1111 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1112 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1113 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1114 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1115 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1116 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1117 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1118 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1119 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1120 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1121 1122 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1123 if (separateProcesses != null && separateProcesses.length() > 0) { 1124 if ("*".equals(separateProcesses)) { 1125 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1126 mSeparateProcesses = null; 1127 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1128 } else { 1129 mDefParseFlags = 0; 1130 mSeparateProcesses = separateProcesses.split(","); 1131 Slog.w(TAG, "Running with debug.separate_processes: " 1132 + separateProcesses); 1133 } 1134 } else { 1135 mDefParseFlags = 0; 1136 mSeparateProcesses = null; 1137 } 1138 1139 mInstaller = installer; 1140 1141 getDefaultDisplayMetrics(context, mMetrics); 1142 1143 synchronized (mInstallLock) { 1144 // writer 1145 synchronized (mPackages) { 1146 mHandlerThread = new ServiceThread(TAG, 1147 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1148 mHandlerThread.start(); 1149 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1150 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1151 1152 File dataDir = Environment.getDataDirectory(); 1153 mAppDataDir = new File(dataDir, "data"); 1154 mAppInstallDir = new File(dataDir, "app"); 1155 mAppLibInstallDir = new File(dataDir, "app-lib"); 1156 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1157 mUserAppDataDir = new File(dataDir, "user"); 1158 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1159 1160 sUserManager = new UserManagerService(context, this, 1161 mInstallLock, mPackages); 1162 1163 readPermissions(); 1164 1165 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1166 1167 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1168 mSdkVersion, mOnlyCore); 1169 1170 String customResolverActivity = Resources.getSystem().getString( 1171 R.string.config_customResolverActivity); 1172 if (TextUtils.isEmpty(customResolverActivity)) { 1173 customResolverActivity = null; 1174 } else { 1175 mCustomResolverComponentName = ComponentName.unflattenFromString( 1176 customResolverActivity); 1177 } 1178 1179 long startTime = SystemClock.uptimeMillis(); 1180 1181 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1182 startTime); 1183 1184 // Set flag to monitor and not change apk file paths when 1185 // scanning install directories. 1186 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1187 if (mNoDexOpt) { 1188 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1189 scanMode |= SCAN_NO_DEX; 1190 } 1191 1192 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1193 1194 /** 1195 * Add everything in the in the boot class path to the 1196 * list of process files because dexopt will have been run 1197 * if necessary during zygote startup. 1198 */ 1199 String bootClassPath = System.getProperty("java.boot.class.path"); 1200 if (bootClassPath != null) { 1201 String[] paths = splitString(bootClassPath, ':'); 1202 for (int i=0; i<paths.length; i++) { 1203 alreadyDexOpted.add(paths[i]); 1204 } 1205 } else { 1206 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1207 } 1208 1209 boolean didDexOpt = false; 1210 1211 /** 1212 * Ensure all external libraries have had dexopt run on them. 1213 */ 1214 if (mSharedLibraries.size() > 0) { 1215 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1216 while (libs.hasNext()) { 1217 String lib = libs.next().path; 1218 if (lib == null) { 1219 continue; 1220 } 1221 try { 1222 if (dalvik.system.DexFile.isDexOptNeededInternal(lib, null, false)) { 1223 alreadyDexOpted.add(lib); 1224 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1225 didDexOpt = true; 1226 } 1227 } catch (FileNotFoundException e) { 1228 Slog.w(TAG, "Library not found: " + lib); 1229 } catch (IOException e) { 1230 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1231 + e.getMessage()); 1232 } 1233 } 1234 } 1235 1236 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1237 1238 // Gross hack for now: we know this file doesn't contain any 1239 // code, so don't dexopt it to avoid the resulting log spew. 1240 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1241 1242 // Gross hack for now: we know this file is only part of 1243 // the boot class path for art, so don't dexopt it to 1244 // avoid the resulting log spew. 1245 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1246 1247 /** 1248 * And there are a number of commands implemented in Java, which 1249 * we currently need to do the dexopt on so that they can be 1250 * run from a non-root shell. 1251 */ 1252 String[] frameworkFiles = frameworkDir.list(); 1253 if (frameworkFiles != null) { 1254 for (int i=0; i<frameworkFiles.length; i++) { 1255 File libPath = new File(frameworkDir, frameworkFiles[i]); 1256 String path = libPath.getPath(); 1257 // Skip the file if we alrady did it. 1258 if (alreadyDexOpted.contains(path)) { 1259 continue; 1260 } 1261 // Skip the file if it is not a type we want to dexopt. 1262 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1263 continue; 1264 } 1265 try { 1266 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, false)) { 1267 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1268 didDexOpt = true; 1269 } 1270 } catch (FileNotFoundException e) { 1271 Slog.w(TAG, "Jar not found: " + path); 1272 } catch (IOException e) { 1273 Slog.w(TAG, "Exception reading jar: " + path, e); 1274 } 1275 } 1276 } 1277 1278 if (didDexOpt) { 1279 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1280 1281 // If we had to do a dexopt of one of the previous 1282 // things, then something on the system has changed. 1283 // Consider this significant, and wipe away all other 1284 // existing dexopt files to ensure we don't leave any 1285 // dangling around. 1286 String[] files = dalvikCacheDir.list(); 1287 if (files != null) { 1288 for (int i=0; i<files.length; i++) { 1289 String fn = files[i]; 1290 if (fn.startsWith("data@app@") 1291 || fn.startsWith("data@app-private@")) { 1292 Slog.i(TAG, "Pruning dalvik file: " + fn); 1293 (new File(dalvikCacheDir, fn)).delete(); 1294 } 1295 } 1296 } 1297 } 1298 1299 // Collect vendor overlay packages. 1300 // (Do this before scanning any apps.) 1301 // For security and version matching reason, only consider 1302 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1303 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1304 mVendorOverlayInstallObserver = new AppDirObserver( 1305 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1306 mVendorOverlayInstallObserver.startWatching(); 1307 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1308 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1309 1310 // Find base frameworks (resource packages without code). 1311 mFrameworkInstallObserver = new AppDirObserver( 1312 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1313 mFrameworkInstallObserver.startWatching(); 1314 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1315 | PackageParser.PARSE_IS_SYSTEM_DIR 1316 | PackageParser.PARSE_IS_PRIVILEGED, 1317 scanMode | SCAN_NO_DEX, 0); 1318 1319 // Collected privileged system packages. 1320 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1321 mPrivilegedInstallObserver = new AppDirObserver( 1322 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1323 mPrivilegedInstallObserver.startWatching(); 1324 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1325 | PackageParser.PARSE_IS_SYSTEM_DIR 1326 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1327 1328 // Collect ordinary system packages. 1329 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1330 mSystemInstallObserver = new AppDirObserver( 1331 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1332 mSystemInstallObserver.startWatching(); 1333 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1334 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1335 1336 // Collect all vendor packages. 1337 File vendorAppDir = new File("/vendor/app"); 1338 try { 1339 vendorAppDir = vendorAppDir.getCanonicalFile(); 1340 } catch (IOException e) { 1341 // failed to look up canonical path, continue with original one 1342 } 1343 mVendorInstallObserver = new AppDirObserver( 1344 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1345 mVendorInstallObserver.startWatching(); 1346 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1347 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1348 1349 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1350 mInstaller.moveFiles(); 1351 1352 // Prune any system packages that no longer exist. 1353 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1354 if (!mOnlyCore) { 1355 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1356 while (psit.hasNext()) { 1357 PackageSetting ps = psit.next(); 1358 1359 /* 1360 * If this is not a system app, it can't be a 1361 * disable system app. 1362 */ 1363 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1364 continue; 1365 } 1366 1367 /* 1368 * If the package is scanned, it's not erased. 1369 */ 1370 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1371 if (scannedPkg != null) { 1372 /* 1373 * If the system app is both scanned and in the 1374 * disabled packages list, then it must have been 1375 * added via OTA. Remove it from the currently 1376 * scanned package so the previously user-installed 1377 * application can be scanned. 1378 */ 1379 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1380 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1381 + "; removing system app"); 1382 removePackageLI(ps, true); 1383 } 1384 1385 continue; 1386 } 1387 1388 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1389 psit.remove(); 1390 String msg = "System package " + ps.name 1391 + " no longer exists; wiping its data"; 1392 reportSettingsProblem(Log.WARN, msg); 1393 removeDataDirsLI(ps.name); 1394 } else { 1395 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1396 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1397 possiblyDeletedUpdatedSystemApps.add(ps.name); 1398 } 1399 } 1400 } 1401 } 1402 1403 //look for any incomplete package installations 1404 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1405 //clean up list 1406 for(int i = 0; i < deletePkgsList.size(); i++) { 1407 //clean up here 1408 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1409 } 1410 //delete tmp files 1411 deleteTempPackageFiles(); 1412 1413 // Remove any shared userIDs that have no associated packages 1414 mSettings.pruneSharedUsersLPw(); 1415 1416 if (!mOnlyCore) { 1417 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1418 SystemClock.uptimeMillis()); 1419 mAppInstallObserver = new AppDirObserver( 1420 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1421 mAppInstallObserver.startWatching(); 1422 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1423 1424 mDrmAppInstallObserver = new AppDirObserver( 1425 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1426 mDrmAppInstallObserver.startWatching(); 1427 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1428 scanMode, 0); 1429 1430 /** 1431 * Remove disable package settings for any updated system 1432 * apps that were removed via an OTA. If they're not a 1433 * previously-updated app, remove them completely. 1434 * Otherwise, just revoke their system-level permissions. 1435 */ 1436 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1437 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1438 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1439 1440 String msg; 1441 if (deletedPkg == null) { 1442 msg = "Updated system package " + deletedAppName 1443 + " no longer exists; wiping its data"; 1444 removeDataDirsLI(deletedAppName); 1445 } else { 1446 msg = "Updated system app + " + deletedAppName 1447 + " no longer present; removing system privileges for " 1448 + deletedAppName; 1449 1450 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1451 1452 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1453 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1454 } 1455 reportSettingsProblem(Log.WARN, msg); 1456 } 1457 } else { 1458 mAppInstallObserver = null; 1459 mDrmAppInstallObserver = null; 1460 } 1461 1462 // Now that we know all of the shared libraries, update all clients to have 1463 // the correct library paths. 1464 updateAllSharedLibrariesLPw(); 1465 1466 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1467 SystemClock.uptimeMillis()); 1468 Slog.i(TAG, "Time to scan packages: " 1469 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1470 + " seconds"); 1471 1472 // If the platform SDK has changed since the last time we booted, 1473 // we need to re-grant app permission to catch any new ones that 1474 // appear. This is really a hack, and means that apps can in some 1475 // cases get permissions that the user didn't initially explicitly 1476 // allow... it would be nice to have some better way to handle 1477 // this situation. 1478 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1479 != mSdkVersion; 1480 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1481 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1482 + "; regranting permissions for internal storage"); 1483 mSettings.mInternalSdkPlatform = mSdkVersion; 1484 1485 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1486 | (regrantPermissions 1487 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1488 : 0)); 1489 1490 // If this is the first boot, and it is a normal boot, then 1491 // we need to initialize the default preferred apps. 1492 if (!mRestoredSettings && !onlyCore) { 1493 mSettings.readDefaultPreferredAppsLPw(this, 0); 1494 } 1495 1496 // can downgrade to reader 1497 mSettings.writeLPr(); 1498 1499 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1500 SystemClock.uptimeMillis()); 1501 1502 // Now after opening every single application zip, make sure they 1503 // are all flushed. Not really needed, but keeps things nice and 1504 // tidy. 1505 Runtime.getRuntime().gc(); 1506 1507 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1508 } // synchronized (mPackages) 1509 } // synchronized (mInstallLock) 1510 } 1511 1512 public boolean isFirstBoot() { 1513 return !mRestoredSettings; 1514 } 1515 1516 public boolean isOnlyCoreApps() { 1517 return mOnlyCore; 1518 } 1519 1520 private String getRequiredVerifierLPr() { 1521 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1522 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1523 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1524 1525 String requiredVerifier = null; 1526 1527 final int N = receivers.size(); 1528 for (int i = 0; i < N; i++) { 1529 final ResolveInfo info = receivers.get(i); 1530 1531 if (info.activityInfo == null) { 1532 continue; 1533 } 1534 1535 final String packageName = info.activityInfo.packageName; 1536 1537 final PackageSetting ps = mSettings.mPackages.get(packageName); 1538 if (ps == null) { 1539 continue; 1540 } 1541 1542 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1543 if (!gp.grantedPermissions 1544 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1545 continue; 1546 } 1547 1548 if (requiredVerifier != null) { 1549 throw new RuntimeException("There can be only one required verifier"); 1550 } 1551 1552 requiredVerifier = packageName; 1553 } 1554 1555 return requiredVerifier; 1556 } 1557 1558 @Override 1559 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1560 throws RemoteException { 1561 try { 1562 return super.onTransact(code, data, reply, flags); 1563 } catch (RuntimeException e) { 1564 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1565 Slog.wtf(TAG, "Package Manager Crash", e); 1566 } 1567 throw e; 1568 } 1569 } 1570 1571 void cleanupInstallFailedPackage(PackageSetting ps) { 1572 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1573 removeDataDirsLI(ps.name); 1574 if (ps.codePath != null) { 1575 if (!ps.codePath.delete()) { 1576 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1577 } 1578 } 1579 if (ps.resourcePath != null) { 1580 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1581 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1582 } 1583 } 1584 mSettings.removePackageLPw(ps.name); 1585 } 1586 1587 void readPermissions() { 1588 // Read permissions from .../etc/permission directory. 1589 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1590 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1591 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1592 return; 1593 } 1594 if (!libraryDir.canRead()) { 1595 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1596 return; 1597 } 1598 1599 // Iterate over the files in the directory and scan .xml files 1600 for (File f : libraryDir.listFiles()) { 1601 // We'll read platform.xml last 1602 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1603 continue; 1604 } 1605 1606 if (!f.getPath().endsWith(".xml")) { 1607 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1608 continue; 1609 } 1610 if (!f.canRead()) { 1611 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1612 continue; 1613 } 1614 1615 readPermissionsFromXml(f); 1616 } 1617 1618 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1619 final File permFile = new File(Environment.getRootDirectory(), 1620 "etc/permissions/platform.xml"); 1621 readPermissionsFromXml(permFile); 1622 } 1623 1624 private void readPermissionsFromXml(File permFile) { 1625 FileReader permReader = null; 1626 try { 1627 permReader = new FileReader(permFile); 1628 } catch (FileNotFoundException e) { 1629 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1630 return; 1631 } 1632 1633 try { 1634 XmlPullParser parser = Xml.newPullParser(); 1635 parser.setInput(permReader); 1636 1637 XmlUtils.beginDocument(parser, "permissions"); 1638 1639 while (true) { 1640 XmlUtils.nextElement(parser); 1641 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1642 break; 1643 } 1644 1645 String name = parser.getName(); 1646 if ("group".equals(name)) { 1647 String gidStr = parser.getAttributeValue(null, "gid"); 1648 if (gidStr != null) { 1649 int gid = Process.getGidForName(gidStr); 1650 mGlobalGids = appendInt(mGlobalGids, gid); 1651 } else { 1652 Slog.w(TAG, "<group> without gid at " 1653 + parser.getPositionDescription()); 1654 } 1655 1656 XmlUtils.skipCurrentTag(parser); 1657 continue; 1658 } else if ("permission".equals(name)) { 1659 String perm = parser.getAttributeValue(null, "name"); 1660 if (perm == null) { 1661 Slog.w(TAG, "<permission> without name at " 1662 + parser.getPositionDescription()); 1663 XmlUtils.skipCurrentTag(parser); 1664 continue; 1665 } 1666 perm = perm.intern(); 1667 readPermission(parser, perm); 1668 1669 } else if ("assign-permission".equals(name)) { 1670 String perm = parser.getAttributeValue(null, "name"); 1671 if (perm == null) { 1672 Slog.w(TAG, "<assign-permission> without name at " 1673 + parser.getPositionDescription()); 1674 XmlUtils.skipCurrentTag(parser); 1675 continue; 1676 } 1677 String uidStr = parser.getAttributeValue(null, "uid"); 1678 if (uidStr == null) { 1679 Slog.w(TAG, "<assign-permission> without uid at " 1680 + parser.getPositionDescription()); 1681 XmlUtils.skipCurrentTag(parser); 1682 continue; 1683 } 1684 int uid = Process.getUidForName(uidStr); 1685 if (uid < 0) { 1686 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1687 + uidStr + "\" at " 1688 + parser.getPositionDescription()); 1689 XmlUtils.skipCurrentTag(parser); 1690 continue; 1691 } 1692 perm = perm.intern(); 1693 HashSet<String> perms = mSystemPermissions.get(uid); 1694 if (perms == null) { 1695 perms = new HashSet<String>(); 1696 mSystemPermissions.put(uid, perms); 1697 } 1698 perms.add(perm); 1699 XmlUtils.skipCurrentTag(parser); 1700 1701 } else if ("library".equals(name)) { 1702 String lname = parser.getAttributeValue(null, "name"); 1703 String lfile = parser.getAttributeValue(null, "file"); 1704 if (lname == null) { 1705 Slog.w(TAG, "<library> without name at " 1706 + parser.getPositionDescription()); 1707 } else if (lfile == null) { 1708 Slog.w(TAG, "<library> without file at " 1709 + parser.getPositionDescription()); 1710 } else { 1711 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1712 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1713 } 1714 XmlUtils.skipCurrentTag(parser); 1715 continue; 1716 1717 } else if ("feature".equals(name)) { 1718 String fname = parser.getAttributeValue(null, "name"); 1719 if (fname == null) { 1720 Slog.w(TAG, "<feature> without name at " 1721 + parser.getPositionDescription()); 1722 } else { 1723 //Log.i(TAG, "Got feature " + fname); 1724 FeatureInfo fi = new FeatureInfo(); 1725 fi.name = fname; 1726 mAvailableFeatures.put(fname, fi); 1727 } 1728 XmlUtils.skipCurrentTag(parser); 1729 continue; 1730 1731 } else { 1732 XmlUtils.skipCurrentTag(parser); 1733 continue; 1734 } 1735 1736 } 1737 permReader.close(); 1738 } catch (XmlPullParserException e) { 1739 Slog.w(TAG, "Got execption parsing permissions.", e); 1740 } catch (IOException e) { 1741 Slog.w(TAG, "Got execption parsing permissions.", e); 1742 } 1743 } 1744 1745 void readPermission(XmlPullParser parser, String name) 1746 throws IOException, XmlPullParserException { 1747 1748 name = name.intern(); 1749 1750 BasePermission bp = mSettings.mPermissions.get(name); 1751 if (bp == null) { 1752 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1753 mSettings.mPermissions.put(name, bp); 1754 } 1755 int outerDepth = parser.getDepth(); 1756 int type; 1757 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1758 && (type != XmlPullParser.END_TAG 1759 || parser.getDepth() > outerDepth)) { 1760 if (type == XmlPullParser.END_TAG 1761 || type == XmlPullParser.TEXT) { 1762 continue; 1763 } 1764 1765 String tagName = parser.getName(); 1766 if ("group".equals(tagName)) { 1767 String gidStr = parser.getAttributeValue(null, "gid"); 1768 if (gidStr != null) { 1769 int gid = Process.getGidForName(gidStr); 1770 bp.gids = appendInt(bp.gids, gid); 1771 } else { 1772 Slog.w(TAG, "<group> without gid at " 1773 + parser.getPositionDescription()); 1774 } 1775 } 1776 XmlUtils.skipCurrentTag(parser); 1777 } 1778 } 1779 1780 static int[] appendInts(int[] cur, int[] add) { 1781 if (add == null) return cur; 1782 if (cur == null) return add; 1783 final int N = add.length; 1784 for (int i=0; i<N; i++) { 1785 cur = appendInt(cur, add[i]); 1786 } 1787 return cur; 1788 } 1789 1790 static int[] removeInts(int[] cur, int[] rem) { 1791 if (rem == null) return cur; 1792 if (cur == null) return cur; 1793 final int N = rem.length; 1794 for (int i=0; i<N; i++) { 1795 cur = removeInt(cur, rem[i]); 1796 } 1797 return cur; 1798 } 1799 1800 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1801 if (!sUserManager.exists(userId)) return null; 1802 PackageInfo pi; 1803 final PackageSetting ps = (PackageSetting) p.mExtras; 1804 if (ps == null) { 1805 return null; 1806 } 1807 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1808 final PackageUserState state = ps.readUserState(userId); 1809 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1810 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1811 state, userId); 1812 } 1813 1814 public boolean isPackageAvailable(String packageName, int userId) { 1815 if (!sUserManager.exists(userId)) return false; 1816 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1817 synchronized (mPackages) { 1818 PackageParser.Package p = mPackages.get(packageName); 1819 if (p != null) { 1820 final PackageSetting ps = (PackageSetting) p.mExtras; 1821 if (ps != null) { 1822 final PackageUserState state = ps.readUserState(userId); 1823 if (state != null) { 1824 return PackageParser.isAvailable(state); 1825 } 1826 } 1827 } 1828 } 1829 return false; 1830 } 1831 1832 @Override 1833 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1834 if (!sUserManager.exists(userId)) return null; 1835 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1836 // reader 1837 synchronized (mPackages) { 1838 PackageParser.Package p = mPackages.get(packageName); 1839 if (DEBUG_PACKAGE_INFO) 1840 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1841 if (p != null) { 1842 return generatePackageInfo(p, flags, userId); 1843 } 1844 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1845 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1846 } 1847 } 1848 return null; 1849 } 1850 1851 public String[] currentToCanonicalPackageNames(String[] names) { 1852 String[] out = new String[names.length]; 1853 // reader 1854 synchronized (mPackages) { 1855 for (int i=names.length-1; i>=0; i--) { 1856 PackageSetting ps = mSettings.mPackages.get(names[i]); 1857 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1858 } 1859 } 1860 return out; 1861 } 1862 1863 public String[] canonicalToCurrentPackageNames(String[] names) { 1864 String[] out = new String[names.length]; 1865 // reader 1866 synchronized (mPackages) { 1867 for (int i=names.length-1; i>=0; i--) { 1868 String cur = mSettings.mRenamedPackages.get(names[i]); 1869 out[i] = cur != null ? cur : names[i]; 1870 } 1871 } 1872 return out; 1873 } 1874 1875 @Override 1876 public int getPackageUid(String packageName, int userId) { 1877 if (!sUserManager.exists(userId)) return -1; 1878 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1879 // reader 1880 synchronized (mPackages) { 1881 PackageParser.Package p = mPackages.get(packageName); 1882 if(p != null) { 1883 return UserHandle.getUid(userId, p.applicationInfo.uid); 1884 } 1885 PackageSetting ps = mSettings.mPackages.get(packageName); 1886 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1887 return -1; 1888 } 1889 p = ps.pkg; 1890 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1891 } 1892 } 1893 1894 @Override 1895 public int[] getPackageGids(String packageName) { 1896 // reader 1897 synchronized (mPackages) { 1898 PackageParser.Package p = mPackages.get(packageName); 1899 if (DEBUG_PACKAGE_INFO) 1900 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1901 if (p != null) { 1902 final PackageSetting ps = (PackageSetting)p.mExtras; 1903 return ps.getGids(); 1904 } 1905 } 1906 // stupid thing to indicate an error. 1907 return new int[0]; 1908 } 1909 1910 static final PermissionInfo generatePermissionInfo( 1911 BasePermission bp, int flags) { 1912 if (bp.perm != null) { 1913 return PackageParser.generatePermissionInfo(bp.perm, flags); 1914 } 1915 PermissionInfo pi = new PermissionInfo(); 1916 pi.name = bp.name; 1917 pi.packageName = bp.sourcePackage; 1918 pi.nonLocalizedLabel = bp.name; 1919 pi.protectionLevel = bp.protectionLevel; 1920 return pi; 1921 } 1922 1923 public PermissionInfo getPermissionInfo(String name, int flags) { 1924 // reader 1925 synchronized (mPackages) { 1926 final BasePermission p = mSettings.mPermissions.get(name); 1927 if (p != null) { 1928 return generatePermissionInfo(p, flags); 1929 } 1930 return null; 1931 } 1932 } 1933 1934 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1935 // reader 1936 synchronized (mPackages) { 1937 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1938 for (BasePermission p : mSettings.mPermissions.values()) { 1939 if (group == null) { 1940 if (p.perm == null || p.perm.info.group == null) { 1941 out.add(generatePermissionInfo(p, flags)); 1942 } 1943 } else { 1944 if (p.perm != null && group.equals(p.perm.info.group)) { 1945 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1946 } 1947 } 1948 } 1949 1950 if (out.size() > 0) { 1951 return out; 1952 } 1953 return mPermissionGroups.containsKey(group) ? out : null; 1954 } 1955 } 1956 1957 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1958 // reader 1959 synchronized (mPackages) { 1960 return PackageParser.generatePermissionGroupInfo( 1961 mPermissionGroups.get(name), flags); 1962 } 1963 } 1964 1965 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1966 // reader 1967 synchronized (mPackages) { 1968 final int N = mPermissionGroups.size(); 1969 ArrayList<PermissionGroupInfo> out 1970 = new ArrayList<PermissionGroupInfo>(N); 1971 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1972 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1973 } 1974 return out; 1975 } 1976 } 1977 1978 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1979 int userId) { 1980 if (!sUserManager.exists(userId)) return null; 1981 PackageSetting ps = mSettings.mPackages.get(packageName); 1982 if (ps != null) { 1983 if (ps.pkg == null) { 1984 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 1985 flags, userId); 1986 if (pInfo != null) { 1987 return pInfo.applicationInfo; 1988 } 1989 return null; 1990 } 1991 return PackageParser.generateApplicationInfo(ps.pkg, flags, 1992 ps.readUserState(userId), userId); 1993 } 1994 return null; 1995 } 1996 1997 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 1998 int userId) { 1999 if (!sUserManager.exists(userId)) return null; 2000 PackageSetting ps = mSettings.mPackages.get(packageName); 2001 if (ps != null) { 2002 PackageParser.Package pkg = ps.pkg; 2003 if (pkg == null) { 2004 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2005 return null; 2006 } 2007 pkg = new PackageParser.Package(packageName); 2008 pkg.applicationInfo.packageName = packageName; 2009 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2010 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2011 pkg.applicationInfo.sourceDir = ps.codePathString; 2012 pkg.applicationInfo.dataDir = 2013 getDataPathForPackage(packageName, 0).getPath(); 2014 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2015 } 2016 return generatePackageInfo(pkg, flags, userId); 2017 } 2018 return null; 2019 } 2020 2021 @Override 2022 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2023 if (!sUserManager.exists(userId)) return null; 2024 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2025 // writer 2026 synchronized (mPackages) { 2027 PackageParser.Package p = mPackages.get(packageName); 2028 if (DEBUG_PACKAGE_INFO) Log.v( 2029 TAG, "getApplicationInfo " + packageName 2030 + ": " + p); 2031 if (p != null) { 2032 PackageSetting ps = mSettings.mPackages.get(packageName); 2033 if (ps == null) return null; 2034 // Note: isEnabledLP() does not apply here - always return info 2035 return PackageParser.generateApplicationInfo( 2036 p, flags, ps.readUserState(userId), userId); 2037 } 2038 if ("android".equals(packageName)||"system".equals(packageName)) { 2039 return mAndroidApplication; 2040 } 2041 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2042 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2043 } 2044 } 2045 return null; 2046 } 2047 2048 2049 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2050 mContext.enforceCallingOrSelfPermission( 2051 android.Manifest.permission.CLEAR_APP_CACHE, null); 2052 // Queue up an async operation since clearing cache may take a little while. 2053 mHandler.post(new Runnable() { 2054 public void run() { 2055 mHandler.removeCallbacks(this); 2056 int retCode = -1; 2057 synchronized (mInstallLock) { 2058 retCode = mInstaller.freeCache(freeStorageSize); 2059 if (retCode < 0) { 2060 Slog.w(TAG, "Couldn't clear application caches"); 2061 } 2062 } 2063 if (observer != null) { 2064 try { 2065 observer.onRemoveCompleted(null, (retCode >= 0)); 2066 } catch (RemoteException e) { 2067 Slog.w(TAG, "RemoveException when invoking call back"); 2068 } 2069 } 2070 } 2071 }); 2072 } 2073 2074 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2075 mContext.enforceCallingOrSelfPermission( 2076 android.Manifest.permission.CLEAR_APP_CACHE, null); 2077 // Queue up an async operation since clearing cache may take a little while. 2078 mHandler.post(new Runnable() { 2079 public void run() { 2080 mHandler.removeCallbacks(this); 2081 int retCode = -1; 2082 synchronized (mInstallLock) { 2083 retCode = mInstaller.freeCache(freeStorageSize); 2084 if (retCode < 0) { 2085 Slog.w(TAG, "Couldn't clear application caches"); 2086 } 2087 } 2088 if(pi != null) { 2089 try { 2090 // Callback via pending intent 2091 int code = (retCode >= 0) ? 1 : 0; 2092 pi.sendIntent(null, code, null, 2093 null, null); 2094 } catch (SendIntentException e1) { 2095 Slog.i(TAG, "Failed to send pending intent"); 2096 } 2097 } 2098 } 2099 }); 2100 } 2101 2102 @Override 2103 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2104 if (!sUserManager.exists(userId)) return null; 2105 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2106 synchronized (mPackages) { 2107 PackageParser.Activity a = mActivities.mActivities.get(component); 2108 2109 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2110 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2111 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2112 if (ps == null) return null; 2113 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2114 userId); 2115 } 2116 if (mResolveComponentName.equals(component)) { 2117 return mResolveActivity; 2118 } 2119 } 2120 return null; 2121 } 2122 2123 @Override 2124 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2125 if (!sUserManager.exists(userId)) return null; 2126 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2127 synchronized (mPackages) { 2128 PackageParser.Activity a = mReceivers.mActivities.get(component); 2129 if (DEBUG_PACKAGE_INFO) Log.v( 2130 TAG, "getReceiverInfo " + component + ": " + a); 2131 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2132 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2133 if (ps == null) return null; 2134 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2135 userId); 2136 } 2137 } 2138 return null; 2139 } 2140 2141 @Override 2142 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2143 if (!sUserManager.exists(userId)) return null; 2144 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2145 synchronized (mPackages) { 2146 PackageParser.Service s = mServices.mServices.get(component); 2147 if (DEBUG_PACKAGE_INFO) Log.v( 2148 TAG, "getServiceInfo " + component + ": " + s); 2149 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2150 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2151 if (ps == null) return null; 2152 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2153 userId); 2154 } 2155 } 2156 return null; 2157 } 2158 2159 @Override 2160 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2161 if (!sUserManager.exists(userId)) return null; 2162 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2163 synchronized (mPackages) { 2164 PackageParser.Provider p = mProviders.mProviders.get(component); 2165 if (DEBUG_PACKAGE_INFO) Log.v( 2166 TAG, "getProviderInfo " + component + ": " + p); 2167 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2168 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2169 if (ps == null) return null; 2170 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2171 userId); 2172 } 2173 } 2174 return null; 2175 } 2176 2177 public String[] getSystemSharedLibraryNames() { 2178 Set<String> libSet; 2179 synchronized (mPackages) { 2180 libSet = mSharedLibraries.keySet(); 2181 int size = libSet.size(); 2182 if (size > 0) { 2183 String[] libs = new String[size]; 2184 libSet.toArray(libs); 2185 return libs; 2186 } 2187 } 2188 return null; 2189 } 2190 2191 public FeatureInfo[] getSystemAvailableFeatures() { 2192 Collection<FeatureInfo> featSet; 2193 synchronized (mPackages) { 2194 featSet = mAvailableFeatures.values(); 2195 int size = featSet.size(); 2196 if (size > 0) { 2197 FeatureInfo[] features = new FeatureInfo[size+1]; 2198 featSet.toArray(features); 2199 FeatureInfo fi = new FeatureInfo(); 2200 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2201 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2202 features[size] = fi; 2203 return features; 2204 } 2205 } 2206 return null; 2207 } 2208 2209 public boolean hasSystemFeature(String name) { 2210 synchronized (mPackages) { 2211 return mAvailableFeatures.containsKey(name); 2212 } 2213 } 2214 2215 private void checkValidCaller(int uid, int userId) { 2216 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2217 return; 2218 2219 throw new SecurityException("Caller uid=" + uid 2220 + " is not privileged to communicate with user=" + userId); 2221 } 2222 2223 public int checkPermission(String permName, String pkgName) { 2224 synchronized (mPackages) { 2225 PackageParser.Package p = mPackages.get(pkgName); 2226 if (p != null && p.mExtras != null) { 2227 PackageSetting ps = (PackageSetting)p.mExtras; 2228 if (ps.sharedUser != null) { 2229 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2230 return PackageManager.PERMISSION_GRANTED; 2231 } 2232 } else if (ps.grantedPermissions.contains(permName)) { 2233 return PackageManager.PERMISSION_GRANTED; 2234 } 2235 } 2236 } 2237 return PackageManager.PERMISSION_DENIED; 2238 } 2239 2240 public int checkUidPermission(String permName, int uid) { 2241 synchronized (mPackages) { 2242 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2243 if (obj != null) { 2244 GrantedPermissions gp = (GrantedPermissions)obj; 2245 if (gp.grantedPermissions.contains(permName)) { 2246 return PackageManager.PERMISSION_GRANTED; 2247 } 2248 } else { 2249 HashSet<String> perms = mSystemPermissions.get(uid); 2250 if (perms != null && perms.contains(permName)) { 2251 return PackageManager.PERMISSION_GRANTED; 2252 } 2253 } 2254 } 2255 return PackageManager.PERMISSION_DENIED; 2256 } 2257 2258 /** 2259 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2260 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2261 * @param message the message to log on security exception 2262 * @return 2263 */ 2264 private void enforceCrossUserPermission(int callingUid, int userId, 2265 boolean requireFullPermission, String message) { 2266 if (userId < 0) { 2267 throw new IllegalArgumentException("Invalid userId " + userId); 2268 } 2269 if (userId == UserHandle.getUserId(callingUid)) return; 2270 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2271 if (requireFullPermission) { 2272 mContext.enforceCallingOrSelfPermission( 2273 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2274 } else { 2275 try { 2276 mContext.enforceCallingOrSelfPermission( 2277 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2278 } catch (SecurityException se) { 2279 mContext.enforceCallingOrSelfPermission( 2280 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2281 } 2282 } 2283 } 2284 } 2285 2286 private BasePermission findPermissionTreeLP(String permName) { 2287 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2288 if (permName.startsWith(bp.name) && 2289 permName.length() > bp.name.length() && 2290 permName.charAt(bp.name.length()) == '.') { 2291 return bp; 2292 } 2293 } 2294 return null; 2295 } 2296 2297 private BasePermission checkPermissionTreeLP(String permName) { 2298 if (permName != null) { 2299 BasePermission bp = findPermissionTreeLP(permName); 2300 if (bp != null) { 2301 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2302 return bp; 2303 } 2304 throw new SecurityException("Calling uid " 2305 + Binder.getCallingUid() 2306 + " is not allowed to add to permission tree " 2307 + bp.name + " owned by uid " + bp.uid); 2308 } 2309 } 2310 throw new SecurityException("No permission tree found for " + permName); 2311 } 2312 2313 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2314 if (s1 == null) { 2315 return s2 == null; 2316 } 2317 if (s2 == null) { 2318 return false; 2319 } 2320 if (s1.getClass() != s2.getClass()) { 2321 return false; 2322 } 2323 return s1.equals(s2); 2324 } 2325 2326 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2327 if (pi1.icon != pi2.icon) return false; 2328 if (pi1.logo != pi2.logo) return false; 2329 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2330 if (!compareStrings(pi1.name, pi2.name)) return false; 2331 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2332 // We'll take care of setting this one. 2333 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2334 // These are not currently stored in settings. 2335 //if (!compareStrings(pi1.group, pi2.group)) return false; 2336 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2337 //if (pi1.labelRes != pi2.labelRes) return false; 2338 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2339 return true; 2340 } 2341 2342 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2343 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2344 throw new SecurityException("Label must be specified in permission"); 2345 } 2346 BasePermission tree = checkPermissionTreeLP(info.name); 2347 BasePermission bp = mSettings.mPermissions.get(info.name); 2348 boolean added = bp == null; 2349 boolean changed = true; 2350 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2351 if (added) { 2352 bp = new BasePermission(info.name, tree.sourcePackage, 2353 BasePermission.TYPE_DYNAMIC); 2354 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2355 throw new SecurityException( 2356 "Not allowed to modify non-dynamic permission " 2357 + info.name); 2358 } else { 2359 if (bp.protectionLevel == fixedLevel 2360 && bp.perm.owner.equals(tree.perm.owner) 2361 && bp.uid == tree.uid 2362 && comparePermissionInfos(bp.perm.info, info)) { 2363 changed = false; 2364 } 2365 } 2366 bp.protectionLevel = fixedLevel; 2367 info = new PermissionInfo(info); 2368 info.protectionLevel = fixedLevel; 2369 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2370 bp.perm.info.packageName = tree.perm.info.packageName; 2371 bp.uid = tree.uid; 2372 if (added) { 2373 mSettings.mPermissions.put(info.name, bp); 2374 } 2375 if (changed) { 2376 if (!async) { 2377 mSettings.writeLPr(); 2378 } else { 2379 scheduleWriteSettingsLocked(); 2380 } 2381 } 2382 return added; 2383 } 2384 2385 public boolean addPermission(PermissionInfo info) { 2386 synchronized (mPackages) { 2387 return addPermissionLocked(info, false); 2388 } 2389 } 2390 2391 public boolean addPermissionAsync(PermissionInfo info) { 2392 synchronized (mPackages) { 2393 return addPermissionLocked(info, true); 2394 } 2395 } 2396 2397 public void removePermission(String name) { 2398 synchronized (mPackages) { 2399 checkPermissionTreeLP(name); 2400 BasePermission bp = mSettings.mPermissions.get(name); 2401 if (bp != null) { 2402 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2403 throw new SecurityException( 2404 "Not allowed to modify non-dynamic permission " 2405 + name); 2406 } 2407 mSettings.mPermissions.remove(name); 2408 mSettings.writeLPr(); 2409 } 2410 } 2411 } 2412 2413 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2414 int index = pkg.requestedPermissions.indexOf(bp.name); 2415 if (index == -1) { 2416 throw new SecurityException("Package " + pkg.packageName 2417 + " has not requested permission " + bp.name); 2418 } 2419 boolean isNormal = 2420 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2421 == PermissionInfo.PROTECTION_NORMAL); 2422 boolean isDangerous = 2423 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2424 == PermissionInfo.PROTECTION_DANGEROUS); 2425 boolean isDevelopment = 2426 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2427 2428 if (!isNormal && !isDangerous && !isDevelopment) { 2429 throw new SecurityException("Permission " + bp.name 2430 + " is not a changeable permission type"); 2431 } 2432 2433 if (isNormal || isDangerous) { 2434 if (pkg.requestedPermissionsRequired.get(index)) { 2435 throw new SecurityException("Can't change " + bp.name 2436 + ". It is required by the application"); 2437 } 2438 } 2439 } 2440 2441 public void grantPermission(String packageName, String permissionName) { 2442 mContext.enforceCallingOrSelfPermission( 2443 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2444 synchronized (mPackages) { 2445 final PackageParser.Package pkg = mPackages.get(packageName); 2446 if (pkg == null) { 2447 throw new IllegalArgumentException("Unknown package: " + packageName); 2448 } 2449 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2450 if (bp == null) { 2451 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2452 } 2453 2454 checkGrantRevokePermissions(pkg, bp); 2455 2456 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2457 if (ps == null) { 2458 return; 2459 } 2460 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2461 if (gp.grantedPermissions.add(permissionName)) { 2462 if (ps.haveGids) { 2463 gp.gids = appendInts(gp.gids, bp.gids); 2464 } 2465 mSettings.writeLPr(); 2466 } 2467 } 2468 } 2469 2470 public void revokePermission(String packageName, String permissionName) { 2471 int changedAppId = -1; 2472 2473 synchronized (mPackages) { 2474 final PackageParser.Package pkg = mPackages.get(packageName); 2475 if (pkg == null) { 2476 throw new IllegalArgumentException("Unknown package: " + packageName); 2477 } 2478 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2479 mContext.enforceCallingOrSelfPermission( 2480 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2481 } 2482 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2483 if (bp == null) { 2484 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2485 } 2486 2487 checkGrantRevokePermissions(pkg, bp); 2488 2489 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2490 if (ps == null) { 2491 return; 2492 } 2493 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2494 if (gp.grantedPermissions.remove(permissionName)) { 2495 gp.grantedPermissions.remove(permissionName); 2496 if (ps.haveGids) { 2497 gp.gids = removeInts(gp.gids, bp.gids); 2498 } 2499 mSettings.writeLPr(); 2500 changedAppId = ps.appId; 2501 } 2502 } 2503 2504 if (changedAppId >= 0) { 2505 // We changed the perm on someone, kill its processes. 2506 IActivityManager am = ActivityManagerNative.getDefault(); 2507 if (am != null) { 2508 final int callingUserId = UserHandle.getCallingUserId(); 2509 final long ident = Binder.clearCallingIdentity(); 2510 try { 2511 //XXX we should only revoke for the calling user's app permissions, 2512 // but for now we impact all users. 2513 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2514 // "revoke " + permissionName); 2515 int[] users = sUserManager.getUserIds(); 2516 for (int user : users) { 2517 am.killUid(UserHandle.getUid(user, changedAppId), 2518 "revoke " + permissionName); 2519 } 2520 } catch (RemoteException e) { 2521 } finally { 2522 Binder.restoreCallingIdentity(ident); 2523 } 2524 } 2525 } 2526 } 2527 2528 public boolean isProtectedBroadcast(String actionName) { 2529 synchronized (mPackages) { 2530 return mProtectedBroadcasts.contains(actionName); 2531 } 2532 } 2533 2534 public int checkSignatures(String pkg1, String pkg2) { 2535 synchronized (mPackages) { 2536 final PackageParser.Package p1 = mPackages.get(pkg1); 2537 final PackageParser.Package p2 = mPackages.get(pkg2); 2538 if (p1 == null || p1.mExtras == null 2539 || p2 == null || p2.mExtras == null) { 2540 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2541 } 2542 return compareSignatures(p1.mSignatures, p2.mSignatures); 2543 } 2544 } 2545 2546 public int checkUidSignatures(int uid1, int uid2) { 2547 // Map to base uids. 2548 uid1 = UserHandle.getAppId(uid1); 2549 uid2 = UserHandle.getAppId(uid2); 2550 // reader 2551 synchronized (mPackages) { 2552 Signature[] s1; 2553 Signature[] s2; 2554 Object obj = mSettings.getUserIdLPr(uid1); 2555 if (obj != null) { 2556 if (obj instanceof SharedUserSetting) { 2557 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2558 } else if (obj instanceof PackageSetting) { 2559 s1 = ((PackageSetting)obj).signatures.mSignatures; 2560 } else { 2561 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2562 } 2563 } else { 2564 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2565 } 2566 obj = mSettings.getUserIdLPr(uid2); 2567 if (obj != null) { 2568 if (obj instanceof SharedUserSetting) { 2569 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2570 } else if (obj instanceof PackageSetting) { 2571 s2 = ((PackageSetting)obj).signatures.mSignatures; 2572 } else { 2573 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2574 } 2575 } else { 2576 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2577 } 2578 return compareSignatures(s1, s2); 2579 } 2580 } 2581 2582 /** 2583 * Compares two sets of signatures. Returns: 2584 * <br /> 2585 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2586 * <br /> 2587 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2588 * <br /> 2589 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2590 * <br /> 2591 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2592 * <br /> 2593 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2594 */ 2595 static int compareSignatures(Signature[] s1, Signature[] s2) { 2596 if (s1 == null) { 2597 return s2 == null 2598 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2599 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2600 } 2601 2602 if (s2 == null) { 2603 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2604 } 2605 2606 if (s1.length != s2.length) { 2607 return PackageManager.SIGNATURE_NO_MATCH; 2608 } 2609 2610 // Since both signature sets are of size 1, we can compare without HashSets. 2611 if (s1.length == 1) { 2612 return s1[0].equals(s2[0]) ? 2613 PackageManager.SIGNATURE_MATCH : 2614 PackageManager.SIGNATURE_NO_MATCH; 2615 } 2616 2617 HashSet<Signature> set1 = new HashSet<Signature>(); 2618 for (Signature sig : s1) { 2619 set1.add(sig); 2620 } 2621 HashSet<Signature> set2 = new HashSet<Signature>(); 2622 for (Signature sig : s2) { 2623 set2.add(sig); 2624 } 2625 // Make sure s2 contains all signatures in s1. 2626 if (set1.equals(set2)) { 2627 return PackageManager.SIGNATURE_MATCH; 2628 } 2629 return PackageManager.SIGNATURE_NO_MATCH; 2630 } 2631 2632 public String[] getPackagesForUid(int uid) { 2633 uid = UserHandle.getAppId(uid); 2634 // reader 2635 synchronized (mPackages) { 2636 Object obj = mSettings.getUserIdLPr(uid); 2637 if (obj instanceof SharedUserSetting) { 2638 final SharedUserSetting sus = (SharedUserSetting) obj; 2639 final int N = sus.packages.size(); 2640 final String[] res = new String[N]; 2641 final Iterator<PackageSetting> it = sus.packages.iterator(); 2642 int i = 0; 2643 while (it.hasNext()) { 2644 res[i++] = it.next().name; 2645 } 2646 return res; 2647 } else if (obj instanceof PackageSetting) { 2648 final PackageSetting ps = (PackageSetting) obj; 2649 return new String[] { ps.name }; 2650 } 2651 } 2652 return null; 2653 } 2654 2655 public String getNameForUid(int uid) { 2656 // reader 2657 synchronized (mPackages) { 2658 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2659 if (obj instanceof SharedUserSetting) { 2660 final SharedUserSetting sus = (SharedUserSetting) obj; 2661 return sus.name + ":" + sus.userId; 2662 } else if (obj instanceof PackageSetting) { 2663 final PackageSetting ps = (PackageSetting) obj; 2664 return ps.name; 2665 } 2666 } 2667 return null; 2668 } 2669 2670 public int getUidForSharedUser(String sharedUserName) { 2671 if(sharedUserName == null) { 2672 return -1; 2673 } 2674 // reader 2675 synchronized (mPackages) { 2676 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2677 if (suid == null) { 2678 return -1; 2679 } 2680 return suid.userId; 2681 } 2682 } 2683 2684 public int getFlagsForUid(int uid) { 2685 synchronized (mPackages) { 2686 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2687 if (obj instanceof SharedUserSetting) { 2688 final SharedUserSetting sus = (SharedUserSetting) obj; 2689 return sus.pkgFlags; 2690 } else if (obj instanceof PackageSetting) { 2691 final PackageSetting ps = (PackageSetting) obj; 2692 return ps.pkgFlags; 2693 } 2694 } 2695 return 0; 2696 } 2697 2698 @Override 2699 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2700 int flags, int userId) { 2701 if (!sUserManager.exists(userId)) return null; 2702 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2703 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2704 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2705 } 2706 2707 @Override 2708 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2709 IntentFilter filter, int match, ComponentName activity) { 2710 final int userId = UserHandle.getCallingUserId(); 2711 if (DEBUG_PREFERRED) { 2712 Log.v(TAG, "setLastChosenActivity intent=" + intent 2713 + " resolvedType=" + resolvedType 2714 + " flags=" + flags 2715 + " filter=" + filter 2716 + " match=" + match 2717 + " activity=" + activity); 2718 filter.dump(new PrintStreamPrinter(System.out), " "); 2719 } 2720 intent.setComponent(null); 2721 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2722 // Find any earlier preferred or last chosen entries and nuke them 2723 findPreferredActivity(intent, resolvedType, 2724 flags, query, 0, false, true, false, userId); 2725 // Add the new activity as the last chosen for this filter 2726 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2727 } 2728 2729 @Override 2730 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2731 final int userId = UserHandle.getCallingUserId(); 2732 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2733 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2734 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2735 false, false, false, userId); 2736 } 2737 2738 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2739 int flags, List<ResolveInfo> query, int userId) { 2740 if (query != null) { 2741 final int N = query.size(); 2742 if (N == 1) { 2743 return query.get(0); 2744 } else if (N > 1) { 2745 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2746 // If there is more than one activity with the same priority, 2747 // then let the user decide between them. 2748 ResolveInfo r0 = query.get(0); 2749 ResolveInfo r1 = query.get(1); 2750 if (DEBUG_INTENT_MATCHING || debug) { 2751 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2752 + r1.activityInfo.name + "=" + r1.priority); 2753 } 2754 // If the first activity has a higher priority, or a different 2755 // default, then it is always desireable to pick it. 2756 if (r0.priority != r1.priority 2757 || r0.preferredOrder != r1.preferredOrder 2758 || r0.isDefault != r1.isDefault) { 2759 return query.get(0); 2760 } 2761 // If we have saved a preference for a preferred activity for 2762 // this Intent, use that. 2763 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2764 flags, query, r0.priority, true, false, debug, userId); 2765 if (ri != null) { 2766 return ri; 2767 } 2768 if (userId != 0) { 2769 ri = new ResolveInfo(mResolveInfo); 2770 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2771 ri.activityInfo.applicationInfo = new ApplicationInfo( 2772 ri.activityInfo.applicationInfo); 2773 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2774 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2775 return ri; 2776 } 2777 return mResolveInfo; 2778 } 2779 } 2780 return null; 2781 } 2782 2783 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2784 List<ResolveInfo> query, int priority, boolean always, 2785 boolean removeMatches, boolean debug, int userId) { 2786 if (!sUserManager.exists(userId)) return null; 2787 // writer 2788 synchronized (mPackages) { 2789 if (intent.getSelector() != null) { 2790 intent = intent.getSelector(); 2791 } 2792 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2793 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2794 // Get the list of preferred activities that handle the intent 2795 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2796 List<PreferredActivity> prefs = pir != null 2797 ? pir.queryIntent(intent, resolvedType, 2798 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2799 : null; 2800 if (prefs != null && prefs.size() > 0) { 2801 // First figure out how good the original match set is. 2802 // We will only allow preferred activities that came 2803 // from the same match quality. 2804 int match = 0; 2805 2806 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2807 2808 final int N = query.size(); 2809 for (int j=0; j<N; j++) { 2810 final ResolveInfo ri = query.get(j); 2811 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2812 + ": 0x" + Integer.toHexString(match)); 2813 if (ri.match > match) { 2814 match = ri.match; 2815 } 2816 } 2817 2818 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2819 + Integer.toHexString(match)); 2820 2821 match &= IntentFilter.MATCH_CATEGORY_MASK; 2822 final int M = prefs.size(); 2823 for (int i=0; i<M; i++) { 2824 final PreferredActivity pa = prefs.get(i); 2825 if (DEBUG_PREFERRED || debug) { 2826 Slog.v(TAG, "Checking PreferredActivity ds=" 2827 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2828 + "\n component=" + pa.mPref.mComponent); 2829 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2830 } 2831 if (pa.mPref.mMatch != match) { 2832 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2833 + Integer.toHexString(pa.mPref.mMatch)); 2834 continue; 2835 } 2836 // If it's not an "always" type preferred activity and that's what we're 2837 // looking for, skip it. 2838 if (always && !pa.mPref.mAlways) { 2839 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2840 continue; 2841 } 2842 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2843 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2844 if (DEBUG_PREFERRED || debug) { 2845 Slog.v(TAG, "Found preferred activity:"); 2846 if (ai != null) { 2847 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2848 } else { 2849 Slog.v(TAG, " null"); 2850 } 2851 } 2852 if (ai == null) { 2853 // This previously registered preferred activity 2854 // component is no longer known. Most likely an update 2855 // to the app was installed and in the new version this 2856 // component no longer exists. Clean it up by removing 2857 // it from the preferred activities list, and skip it. 2858 Slog.w(TAG, "Removing dangling preferred activity: " 2859 + pa.mPref.mComponent); 2860 pir.removeFilter(pa); 2861 continue; 2862 } 2863 for (int j=0; j<N; j++) { 2864 final ResolveInfo ri = query.get(j); 2865 if (!ri.activityInfo.applicationInfo.packageName 2866 .equals(ai.applicationInfo.packageName)) { 2867 continue; 2868 } 2869 if (!ri.activityInfo.name.equals(ai.name)) { 2870 continue; 2871 } 2872 2873 if (removeMatches) { 2874 pir.removeFilter(pa); 2875 if (DEBUG_PREFERRED) { 2876 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2877 } 2878 break; 2879 } 2880 2881 // Okay we found a previously set preferred or last chosen app. 2882 // If the result set is different from when this 2883 // was created, we need to clear it and re-ask the 2884 // user their preference, if we're looking for an "always" type entry. 2885 if (always && !pa.mPref.sameSet(query, priority)) { 2886 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2887 + intent + " type " + resolvedType); 2888 if (DEBUG_PREFERRED) { 2889 Slog.v(TAG, "Removing preferred activity since set changed " 2890 + pa.mPref.mComponent); 2891 } 2892 pir.removeFilter(pa); 2893 // Re-add the filter as a "last chosen" entry (!always) 2894 PreferredActivity lastChosen = new PreferredActivity( 2895 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2896 pir.addFilter(lastChosen); 2897 mSettings.writePackageRestrictionsLPr(userId); 2898 return null; 2899 } 2900 2901 // Yay! Either the set matched or we're looking for the last chosen 2902 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2903 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2904 mSettings.writePackageRestrictionsLPr(userId); 2905 return ri; 2906 } 2907 } 2908 } 2909 mSettings.writePackageRestrictionsLPr(userId); 2910 } 2911 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2912 return null; 2913 } 2914 2915 @Override 2916 public List<ResolveInfo> queryIntentActivities(Intent intent, 2917 String resolvedType, int flags, int userId) { 2918 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2919 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2920 ComponentName comp = intent.getComponent(); 2921 if (comp == null) { 2922 if (intent.getSelector() != null) { 2923 intent = intent.getSelector(); 2924 comp = intent.getComponent(); 2925 } 2926 } 2927 2928 if (comp != null) { 2929 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2930 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2931 if (ai != null) { 2932 final ResolveInfo ri = new ResolveInfo(); 2933 ri.activityInfo = ai; 2934 list.add(ri); 2935 } 2936 return list; 2937 } 2938 2939 // reader 2940 synchronized (mPackages) { 2941 final String pkgName = intent.getPackage(); 2942 if (pkgName == null) { 2943 return mActivities.queryIntent(intent, resolvedType, flags, userId); 2944 } 2945 final PackageParser.Package pkg = mPackages.get(pkgName); 2946 if (pkg != null) { 2947 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 2948 pkg.activities, userId); 2949 } 2950 return new ArrayList<ResolveInfo>(); 2951 } 2952 } 2953 2954 @Override 2955 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 2956 Intent[] specifics, String[] specificTypes, Intent intent, 2957 String resolvedType, int flags, int userId) { 2958 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2959 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 2960 "query intent activity options"); 2961 final String resultsAction = intent.getAction(); 2962 2963 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 2964 | PackageManager.GET_RESOLVED_FILTER, userId); 2965 2966 if (DEBUG_INTENT_MATCHING) { 2967 Log.v(TAG, "Query " + intent + ": " + results); 2968 } 2969 2970 int specificsPos = 0; 2971 int N; 2972 2973 // todo: note that the algorithm used here is O(N^2). This 2974 // isn't a problem in our current environment, but if we start running 2975 // into situations where we have more than 5 or 10 matches then this 2976 // should probably be changed to something smarter... 2977 2978 // First we go through and resolve each of the specific items 2979 // that were supplied, taking care of removing any corresponding 2980 // duplicate items in the generic resolve list. 2981 if (specifics != null) { 2982 for (int i=0; i<specifics.length; i++) { 2983 final Intent sintent = specifics[i]; 2984 if (sintent == null) { 2985 continue; 2986 } 2987 2988 if (DEBUG_INTENT_MATCHING) { 2989 Log.v(TAG, "Specific #" + i + ": " + sintent); 2990 } 2991 2992 String action = sintent.getAction(); 2993 if (resultsAction != null && resultsAction.equals(action)) { 2994 // If this action was explicitly requested, then don't 2995 // remove things that have it. 2996 action = null; 2997 } 2998 2999 ResolveInfo ri = null; 3000 ActivityInfo ai = null; 3001 3002 ComponentName comp = sintent.getComponent(); 3003 if (comp == null) { 3004 ri = resolveIntent( 3005 sintent, 3006 specificTypes != null ? specificTypes[i] : null, 3007 flags, userId); 3008 if (ri == null) { 3009 continue; 3010 } 3011 if (ri == mResolveInfo) { 3012 // ACK! Must do something better with this. 3013 } 3014 ai = ri.activityInfo; 3015 comp = new ComponentName(ai.applicationInfo.packageName, 3016 ai.name); 3017 } else { 3018 ai = getActivityInfo(comp, flags, userId); 3019 if (ai == null) { 3020 continue; 3021 } 3022 } 3023 3024 // Look for any generic query activities that are duplicates 3025 // of this specific one, and remove them from the results. 3026 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3027 N = results.size(); 3028 int j; 3029 for (j=specificsPos; j<N; j++) { 3030 ResolveInfo sri = results.get(j); 3031 if ((sri.activityInfo.name.equals(comp.getClassName()) 3032 && sri.activityInfo.applicationInfo.packageName.equals( 3033 comp.getPackageName())) 3034 || (action != null && sri.filter.matchAction(action))) { 3035 results.remove(j); 3036 if (DEBUG_INTENT_MATCHING) Log.v( 3037 TAG, "Removing duplicate item from " + j 3038 + " due to specific " + specificsPos); 3039 if (ri == null) { 3040 ri = sri; 3041 } 3042 j--; 3043 N--; 3044 } 3045 } 3046 3047 // Add this specific item to its proper place. 3048 if (ri == null) { 3049 ri = new ResolveInfo(); 3050 ri.activityInfo = ai; 3051 } 3052 results.add(specificsPos, ri); 3053 ri.specificIndex = i; 3054 specificsPos++; 3055 } 3056 } 3057 3058 // Now we go through the remaining generic results and remove any 3059 // duplicate actions that are found here. 3060 N = results.size(); 3061 for (int i=specificsPos; i<N-1; i++) { 3062 final ResolveInfo rii = results.get(i); 3063 if (rii.filter == null) { 3064 continue; 3065 } 3066 3067 // Iterate over all of the actions of this result's intent 3068 // filter... typically this should be just one. 3069 final Iterator<String> it = rii.filter.actionsIterator(); 3070 if (it == null) { 3071 continue; 3072 } 3073 while (it.hasNext()) { 3074 final String action = it.next(); 3075 if (resultsAction != null && resultsAction.equals(action)) { 3076 // If this action was explicitly requested, then don't 3077 // remove things that have it. 3078 continue; 3079 } 3080 for (int j=i+1; j<N; j++) { 3081 final ResolveInfo rij = results.get(j); 3082 if (rij.filter != null && rij.filter.hasAction(action)) { 3083 results.remove(j); 3084 if (DEBUG_INTENT_MATCHING) Log.v( 3085 TAG, "Removing duplicate item from " + j 3086 + " due to action " + action + " at " + i); 3087 j--; 3088 N--; 3089 } 3090 } 3091 } 3092 3093 // If the caller didn't request filter information, drop it now 3094 // so we don't have to marshall/unmarshall it. 3095 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3096 rii.filter = null; 3097 } 3098 } 3099 3100 // Filter out the caller activity if so requested. 3101 if (caller != null) { 3102 N = results.size(); 3103 for (int i=0; i<N; i++) { 3104 ActivityInfo ainfo = results.get(i).activityInfo; 3105 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3106 && caller.getClassName().equals(ainfo.name)) { 3107 results.remove(i); 3108 break; 3109 } 3110 } 3111 } 3112 3113 // If the caller didn't request filter information, 3114 // drop them now so we don't have to 3115 // marshall/unmarshall it. 3116 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3117 N = results.size(); 3118 for (int i=0; i<N; i++) { 3119 results.get(i).filter = null; 3120 } 3121 } 3122 3123 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3124 return results; 3125 } 3126 3127 @Override 3128 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3129 int userId) { 3130 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3131 ComponentName comp = intent.getComponent(); 3132 if (comp == null) { 3133 if (intent.getSelector() != null) { 3134 intent = intent.getSelector(); 3135 comp = intent.getComponent(); 3136 } 3137 } 3138 if (comp != null) { 3139 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3140 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3141 if (ai != null) { 3142 ResolveInfo ri = new ResolveInfo(); 3143 ri.activityInfo = ai; 3144 list.add(ri); 3145 } 3146 return list; 3147 } 3148 3149 // reader 3150 synchronized (mPackages) { 3151 String pkgName = intent.getPackage(); 3152 if (pkgName == null) { 3153 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3154 } 3155 final PackageParser.Package pkg = mPackages.get(pkgName); 3156 if (pkg != null) { 3157 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3158 userId); 3159 } 3160 return null; 3161 } 3162 } 3163 3164 @Override 3165 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3166 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3167 if (!sUserManager.exists(userId)) return null; 3168 if (query != null) { 3169 if (query.size() >= 1) { 3170 // If there is more than one service with the same priority, 3171 // just arbitrarily pick the first one. 3172 return query.get(0); 3173 } 3174 } 3175 return null; 3176 } 3177 3178 @Override 3179 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3180 int userId) { 3181 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3182 ComponentName comp = intent.getComponent(); 3183 if (comp == null) { 3184 if (intent.getSelector() != null) { 3185 intent = intent.getSelector(); 3186 comp = intent.getComponent(); 3187 } 3188 } 3189 if (comp != null) { 3190 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3191 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3192 if (si != null) { 3193 final ResolveInfo ri = new ResolveInfo(); 3194 ri.serviceInfo = si; 3195 list.add(ri); 3196 } 3197 return list; 3198 } 3199 3200 // reader 3201 synchronized (mPackages) { 3202 String pkgName = intent.getPackage(); 3203 if (pkgName == null) { 3204 return mServices.queryIntent(intent, resolvedType, flags, userId); 3205 } 3206 final PackageParser.Package pkg = mPackages.get(pkgName); 3207 if (pkg != null) { 3208 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3209 userId); 3210 } 3211 return null; 3212 } 3213 } 3214 3215 @Override 3216 public List<ResolveInfo> queryIntentContentProviders( 3217 Intent intent, String resolvedType, int flags, int userId) { 3218 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3219 ComponentName comp = intent.getComponent(); 3220 if (comp == null) { 3221 if (intent.getSelector() != null) { 3222 intent = intent.getSelector(); 3223 comp = intent.getComponent(); 3224 } 3225 } 3226 if (comp != null) { 3227 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3228 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3229 if (pi != null) { 3230 final ResolveInfo ri = new ResolveInfo(); 3231 ri.providerInfo = pi; 3232 list.add(ri); 3233 } 3234 return list; 3235 } 3236 3237 // reader 3238 synchronized (mPackages) { 3239 String pkgName = intent.getPackage(); 3240 if (pkgName == null) { 3241 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3242 } 3243 final PackageParser.Package pkg = mPackages.get(pkgName); 3244 if (pkg != null) { 3245 return mProviders.queryIntentForPackage( 3246 intent, resolvedType, flags, pkg.providers, userId); 3247 } 3248 return null; 3249 } 3250 } 3251 3252 @Override 3253 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3254 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3255 3256 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3257 3258 // writer 3259 synchronized (mPackages) { 3260 ArrayList<PackageInfo> list; 3261 if (listUninstalled) { 3262 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3263 for (PackageSetting ps : mSettings.mPackages.values()) { 3264 PackageInfo pi; 3265 if (ps.pkg != null) { 3266 pi = generatePackageInfo(ps.pkg, flags, userId); 3267 } else { 3268 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3269 } 3270 if (pi != null) { 3271 list.add(pi); 3272 } 3273 } 3274 } else { 3275 list = new ArrayList<PackageInfo>(mPackages.size()); 3276 for (PackageParser.Package p : mPackages.values()) { 3277 PackageInfo pi = generatePackageInfo(p, flags, userId); 3278 if (pi != null) { 3279 list.add(pi); 3280 } 3281 } 3282 } 3283 3284 return new ParceledListSlice<PackageInfo>(list); 3285 } 3286 } 3287 3288 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3289 String[] permissions, boolean[] tmp, int flags, int userId) { 3290 int numMatch = 0; 3291 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3292 for (int i=0; i<permissions.length; i++) { 3293 if (gp.grantedPermissions.contains(permissions[i])) { 3294 tmp[i] = true; 3295 numMatch++; 3296 } else { 3297 tmp[i] = false; 3298 } 3299 } 3300 if (numMatch == 0) { 3301 return; 3302 } 3303 PackageInfo pi; 3304 if (ps.pkg != null) { 3305 pi = generatePackageInfo(ps.pkg, flags, userId); 3306 } else { 3307 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3308 } 3309 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3310 if (numMatch == permissions.length) { 3311 pi.requestedPermissions = permissions; 3312 } else { 3313 pi.requestedPermissions = new String[numMatch]; 3314 numMatch = 0; 3315 for (int i=0; i<permissions.length; i++) { 3316 if (tmp[i]) { 3317 pi.requestedPermissions[numMatch] = permissions[i]; 3318 numMatch++; 3319 } 3320 } 3321 } 3322 } 3323 list.add(pi); 3324 } 3325 3326 @Override 3327 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3328 String[] permissions, int flags, int userId) { 3329 if (!sUserManager.exists(userId)) return null; 3330 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3331 3332 // writer 3333 synchronized (mPackages) { 3334 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3335 boolean[] tmpBools = new boolean[permissions.length]; 3336 if (listUninstalled) { 3337 for (PackageSetting ps : mSettings.mPackages.values()) { 3338 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3339 } 3340 } else { 3341 for (PackageParser.Package pkg : mPackages.values()) { 3342 PackageSetting ps = (PackageSetting)pkg.mExtras; 3343 if (ps != null) { 3344 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3345 userId); 3346 } 3347 } 3348 } 3349 3350 return new ParceledListSlice<PackageInfo>(list); 3351 } 3352 } 3353 3354 @Override 3355 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3356 if (!sUserManager.exists(userId)) return null; 3357 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3358 3359 // writer 3360 synchronized (mPackages) { 3361 ArrayList<ApplicationInfo> list; 3362 if (listUninstalled) { 3363 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3364 for (PackageSetting ps : mSettings.mPackages.values()) { 3365 ApplicationInfo ai; 3366 if (ps.pkg != null) { 3367 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3368 ps.readUserState(userId), userId); 3369 } else { 3370 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3371 } 3372 if (ai != null) { 3373 list.add(ai); 3374 } 3375 } 3376 } else { 3377 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3378 for (PackageParser.Package p : mPackages.values()) { 3379 if (p.mExtras != null) { 3380 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3381 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3382 if (ai != null) { 3383 list.add(ai); 3384 } 3385 } 3386 } 3387 } 3388 3389 return new ParceledListSlice<ApplicationInfo>(list); 3390 } 3391 } 3392 3393 public List<ApplicationInfo> getPersistentApplications(int flags) { 3394 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3395 3396 // reader 3397 synchronized (mPackages) { 3398 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3399 final int userId = UserHandle.getCallingUserId(); 3400 while (i.hasNext()) { 3401 final PackageParser.Package p = i.next(); 3402 if (p.applicationInfo != null 3403 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3404 && (!mSafeMode || isSystemApp(p))) { 3405 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3406 if (ps != null) { 3407 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3408 ps.readUserState(userId), userId); 3409 if (ai != null) { 3410 finalList.add(ai); 3411 } 3412 } 3413 } 3414 } 3415 } 3416 3417 return finalList; 3418 } 3419 3420 @Override 3421 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3422 if (!sUserManager.exists(userId)) return null; 3423 // reader 3424 synchronized (mPackages) { 3425 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3426 PackageSetting ps = provider != null 3427 ? mSettings.mPackages.get(provider.owner.packageName) 3428 : null; 3429 return ps != null 3430 && mSettings.isEnabledLPr(provider.info, flags, userId) 3431 && (!mSafeMode || (provider.info.applicationInfo.flags 3432 &ApplicationInfo.FLAG_SYSTEM) != 0) 3433 ? PackageParser.generateProviderInfo(provider, flags, 3434 ps.readUserState(userId), userId) 3435 : null; 3436 } 3437 } 3438 3439 /** 3440 * @deprecated 3441 */ 3442 @Deprecated 3443 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3444 // reader 3445 synchronized (mPackages) { 3446 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3447 .entrySet().iterator(); 3448 final int userId = UserHandle.getCallingUserId(); 3449 while (i.hasNext()) { 3450 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3451 PackageParser.Provider p = entry.getValue(); 3452 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3453 3454 if (ps != null && p.syncable 3455 && (!mSafeMode || (p.info.applicationInfo.flags 3456 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3457 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3458 ps.readUserState(userId), userId); 3459 if (info != null) { 3460 outNames.add(entry.getKey()); 3461 outInfo.add(info); 3462 } 3463 } 3464 } 3465 } 3466 } 3467 3468 public List<ProviderInfo> queryContentProviders(String processName, 3469 int uid, int flags) { 3470 ArrayList<ProviderInfo> finalList = null; 3471 // reader 3472 synchronized (mPackages) { 3473 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3474 final int userId = processName != null ? 3475 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3476 while (i.hasNext()) { 3477 final PackageParser.Provider p = i.next(); 3478 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3479 if (ps != null && p.info.authority != null 3480 && (processName == null 3481 || (p.info.processName.equals(processName) 3482 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3483 && mSettings.isEnabledLPr(p.info, flags, userId) 3484 && (!mSafeMode 3485 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3486 if (finalList == null) { 3487 finalList = new ArrayList<ProviderInfo>(3); 3488 } 3489 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3490 ps.readUserState(userId), userId); 3491 if (info != null) { 3492 finalList.add(info); 3493 } 3494 } 3495 } 3496 } 3497 3498 if (finalList != null) { 3499 Collections.sort(finalList, mProviderInitOrderSorter); 3500 } 3501 3502 return finalList; 3503 } 3504 3505 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3506 int flags) { 3507 // reader 3508 synchronized (mPackages) { 3509 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3510 return PackageParser.generateInstrumentationInfo(i, flags); 3511 } 3512 } 3513 3514 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3515 int flags) { 3516 ArrayList<InstrumentationInfo> finalList = 3517 new ArrayList<InstrumentationInfo>(); 3518 3519 // reader 3520 synchronized (mPackages) { 3521 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3522 while (i.hasNext()) { 3523 final PackageParser.Instrumentation p = i.next(); 3524 if (targetPackage == null 3525 || targetPackage.equals(p.info.targetPackage)) { 3526 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3527 flags); 3528 if (ii != null) { 3529 finalList.add(ii); 3530 } 3531 } 3532 } 3533 } 3534 3535 return finalList; 3536 } 3537 3538 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3539 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3540 if (overlays == null) { 3541 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3542 return; 3543 } 3544 for (PackageParser.Package opkg : overlays.values()) { 3545 // Not much to do if idmap fails: we already logged the error 3546 // and we certainly don't want to abort installation of pkg simply 3547 // because an overlay didn't fit properly. For these reasons, 3548 // ignore the return value of createIdmapForPackagePairLI. 3549 createIdmapForPackagePairLI(pkg, opkg); 3550 } 3551 } 3552 3553 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3554 PackageParser.Package opkg) { 3555 if (!opkg.mTrustedOverlay) { 3556 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3557 opkg.mScanPath + ": overlay not trusted"); 3558 return false; 3559 } 3560 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3561 if (overlaySet == null) { 3562 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3563 opkg.mScanPath + " but target package has no known overlays"); 3564 return false; 3565 } 3566 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3567 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3568 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3569 return false; 3570 } 3571 PackageParser.Package[] overlayArray = 3572 overlaySet.values().toArray(new PackageParser.Package[0]); 3573 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3574 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3575 return p1.mOverlayPriority - p2.mOverlayPriority; 3576 } 3577 }; 3578 Arrays.sort(overlayArray, cmp); 3579 3580 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3581 int i = 0; 3582 for (PackageParser.Package p : overlayArray) { 3583 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3584 } 3585 return true; 3586 } 3587 3588 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3589 String[] files = dir.list(); 3590 if (files == null) { 3591 Log.d(TAG, "No files in app dir " + dir); 3592 return; 3593 } 3594 3595 if (DEBUG_PACKAGE_SCANNING) { 3596 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3597 + " flags=0x" + Integer.toHexString(flags)); 3598 } 3599 3600 int i; 3601 for (i=0; i<files.length; i++) { 3602 File file = new File(dir, files[i]); 3603 if (!isPackageFilename(files[i])) { 3604 // Ignore entries which are not apk's 3605 continue; 3606 } 3607 PackageParser.Package pkg = scanPackageLI(file, 3608 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3609 // Don't mess around with apps in system partition. 3610 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3611 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3612 // Delete the apk 3613 Slog.w(TAG, "Cleaning up failed install of " + file); 3614 file.delete(); 3615 } 3616 } 3617 } 3618 3619 private static File getSettingsProblemFile() { 3620 File dataDir = Environment.getDataDirectory(); 3621 File systemDir = new File(dataDir, "system"); 3622 File fname = new File(systemDir, "uiderrors.txt"); 3623 return fname; 3624 } 3625 3626 static void reportSettingsProblem(int priority, String msg) { 3627 try { 3628 File fname = getSettingsProblemFile(); 3629 FileOutputStream out = new FileOutputStream(fname, true); 3630 PrintWriter pw = new FastPrintWriter(out); 3631 SimpleDateFormat formatter = new SimpleDateFormat(); 3632 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3633 pw.println(dateString + ": " + msg); 3634 pw.close(); 3635 FileUtils.setPermissions( 3636 fname.toString(), 3637 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3638 -1, -1); 3639 } catch (java.io.IOException e) { 3640 } 3641 Slog.println(priority, TAG, msg); 3642 } 3643 3644 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3645 PackageParser.Package pkg, File srcFile, int parseFlags) { 3646 if (GET_CERTIFICATES) { 3647 if (ps != null 3648 && ps.codePath.equals(srcFile) 3649 && ps.timeStamp == srcFile.lastModified()) { 3650 if (ps.signatures.mSignatures != null 3651 && ps.signatures.mSignatures.length != 0) { 3652 // Optimization: reuse the existing cached certificates 3653 // if the package appears to be unchanged. 3654 pkg.mSignatures = ps.signatures.mSignatures; 3655 return true; 3656 } 3657 3658 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3659 } else { 3660 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3661 } 3662 3663 if (!pp.collectCertificates(pkg, parseFlags)) { 3664 mLastScanError = pp.getParseError(); 3665 return false; 3666 } 3667 } 3668 return true; 3669 } 3670 3671 /* 3672 * Scan a package and return the newly parsed package. 3673 * Returns null in case of errors and the error code is stored in mLastScanError 3674 */ 3675 private PackageParser.Package scanPackageLI(File scanFile, 3676 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3677 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3678 String scanPath = scanFile.getPath(); 3679 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3680 parseFlags |= mDefParseFlags; 3681 PackageParser pp = new PackageParser(scanPath); 3682 pp.setSeparateProcesses(mSeparateProcesses); 3683 pp.setOnlyCoreApps(mOnlyCore); 3684 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3685 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3686 3687 if (pkg == null) { 3688 mLastScanError = pp.getParseError(); 3689 return null; 3690 } 3691 3692 PackageSetting ps = null; 3693 PackageSetting updatedPkg; 3694 // reader 3695 synchronized (mPackages) { 3696 // Look to see if we already know about this package. 3697 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3698 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3699 // This package has been renamed to its original name. Let's 3700 // use that. 3701 ps = mSettings.peekPackageLPr(oldName); 3702 } 3703 // If there was no original package, see one for the real package name. 3704 if (ps == null) { 3705 ps = mSettings.peekPackageLPr(pkg.packageName); 3706 } 3707 // Check to see if this package could be hiding/updating a system 3708 // package. Must look for it either under the original or real 3709 // package name depending on our state. 3710 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3711 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3712 } 3713 boolean updatedPkgBetter = false; 3714 // First check if this is a system package that may involve an update 3715 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3716 if (ps != null && !ps.codePath.equals(scanFile)) { 3717 // The path has changed from what was last scanned... check the 3718 // version of the new path against what we have stored to determine 3719 // what to do. 3720 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3721 if (pkg.mVersionCode < ps.versionCode) { 3722 // The system package has been updated and the code path does not match 3723 // Ignore entry. Skip it. 3724 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3725 + " ignored: updated version " + ps.versionCode 3726 + " better than this " + pkg.mVersionCode); 3727 if (!updatedPkg.codePath.equals(scanFile)) { 3728 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3729 + ps.name + " changing from " + updatedPkg.codePathString 3730 + " to " + scanFile); 3731 updatedPkg.codePath = scanFile; 3732 updatedPkg.codePathString = scanFile.toString(); 3733 // This is the point at which we know that the system-disk APK 3734 // for this package has moved during a reboot (e.g. due to an OTA), 3735 // so we need to reevaluate it for privilege policy. 3736 if (locationIsPrivileged(scanFile)) { 3737 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3738 } 3739 } 3740 updatedPkg.pkg = pkg; 3741 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3742 return null; 3743 } else { 3744 // The current app on the system partion is better than 3745 // what we have updated to on the data partition; switch 3746 // back to the system partition version. 3747 // At this point, its safely assumed that package installation for 3748 // apps in system partition will go through. If not there won't be a working 3749 // version of the app 3750 // writer 3751 synchronized (mPackages) { 3752 // Just remove the loaded entries from package lists. 3753 mPackages.remove(ps.name); 3754 } 3755 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3756 + "reverting from " + ps.codePathString 3757 + ": new version " + pkg.mVersionCode 3758 + " better than installed " + ps.versionCode); 3759 3760 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3761 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3762 synchronized (mInstallLock) { 3763 args.cleanUpResourcesLI(); 3764 } 3765 synchronized (mPackages) { 3766 mSettings.enableSystemPackageLPw(ps.name); 3767 } 3768 updatedPkgBetter = true; 3769 } 3770 } 3771 } 3772 3773 if (updatedPkg != null) { 3774 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3775 // initially 3776 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3777 3778 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3779 // flag set initially 3780 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3781 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3782 } 3783 } 3784 // Verify certificates against what was last scanned 3785 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3786 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3787 return null; 3788 } 3789 3790 /* 3791 * A new system app appeared, but we already had a non-system one of the 3792 * same name installed earlier. 3793 */ 3794 boolean shouldHideSystemApp = false; 3795 if (updatedPkg == null && ps != null 3796 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3797 /* 3798 * Check to make sure the signatures match first. If they don't, 3799 * wipe the installed application and its data. 3800 */ 3801 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3802 != PackageManager.SIGNATURE_MATCH) { 3803 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3804 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3805 ps = null; 3806 } else { 3807 /* 3808 * If the newly-added system app is an older version than the 3809 * already installed version, hide it. It will be scanned later 3810 * and re-added like an update. 3811 */ 3812 if (pkg.mVersionCode < ps.versionCode) { 3813 shouldHideSystemApp = true; 3814 } else { 3815 /* 3816 * The newly found system app is a newer version that the 3817 * one previously installed. Simply remove the 3818 * already-installed application and replace it with our own 3819 * while keeping the application data. 3820 */ 3821 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3822 + ps.codePathString + ": new version " + pkg.mVersionCode 3823 + " better than installed " + ps.versionCode); 3824 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3825 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3826 synchronized (mInstallLock) { 3827 args.cleanUpResourcesLI(); 3828 } 3829 } 3830 } 3831 } 3832 3833 // The apk is forward locked (not public) if its code and resources 3834 // are kept in different files. (except for app in either system or 3835 // vendor path). 3836 // TODO grab this value from PackageSettings 3837 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3838 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3839 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3840 } 3841 } 3842 3843 String codePath = null; 3844 String resPath = null; 3845 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 3846 if (ps != null && ps.resourcePathString != null) { 3847 resPath = ps.resourcePathString; 3848 } else { 3849 // Should not happen at all. Just log an error. 3850 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3851 } 3852 } else { 3853 resPath = pkg.mScanPath; 3854 } 3855 3856 codePath = pkg.mScanPath; 3857 // Set application objects path explicitly. 3858 setApplicationInfoPaths(pkg, codePath, resPath); 3859 // Note that we invoke the following method only if we are about to unpack an application 3860 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3861 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3862 3863 /* 3864 * If the system app should be overridden by a previously installed 3865 * data, hide the system app now and let the /data/app scan pick it up 3866 * again. 3867 */ 3868 if (shouldHideSystemApp) { 3869 synchronized (mPackages) { 3870 /* 3871 * We have to grant systems permissions before we hide, because 3872 * grantPermissions will assume the package update is trying to 3873 * expand its permissions. 3874 */ 3875 grantPermissionsLPw(pkg, true); 3876 mSettings.disableSystemPackageLPw(pkg.packageName); 3877 } 3878 } 3879 3880 return scannedPkg; 3881 } 3882 3883 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3884 String destResPath) { 3885 pkg.mPath = pkg.mScanPath = destCodePath; 3886 pkg.applicationInfo.sourceDir = destCodePath; 3887 pkg.applicationInfo.publicSourceDir = destResPath; 3888 } 3889 3890 private static String fixProcessName(String defProcessName, 3891 String processName, int uid) { 3892 if (processName == null) { 3893 return defProcessName; 3894 } 3895 return processName; 3896 } 3897 3898 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3899 PackageParser.Package pkg) { 3900 if (pkgSetting.signatures.mSignatures != null) { 3901 // Already existing package. Make sure signatures match 3902 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3903 PackageManager.SIGNATURE_MATCH) { 3904 Slog.e(TAG, "Package " + pkg.packageName 3905 + " signatures do not match the previously installed version; ignoring!"); 3906 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3907 return false; 3908 } 3909 } 3910 // Check for shared user signatures 3911 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3912 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3913 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3914 Slog.e(TAG, "Package " + pkg.packageName 3915 + " has no signatures that match those in shared user " 3916 + pkgSetting.sharedUser.name + "; ignoring!"); 3917 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3918 return false; 3919 } 3920 } 3921 return true; 3922 } 3923 3924 /** 3925 * Enforces that only the system UID or root's UID can call a method exposed 3926 * via Binder. 3927 * 3928 * @param message used as message if SecurityException is thrown 3929 * @throws SecurityException if the caller is not system or root 3930 */ 3931 private static final void enforceSystemOrRoot(String message) { 3932 final int uid = Binder.getCallingUid(); 3933 if (uid != Process.SYSTEM_UID && uid != 0) { 3934 throw new SecurityException(message); 3935 } 3936 } 3937 3938 public void performBootDexOpt() { 3939 HashSet<PackageParser.Package> pkgs = null; 3940 synchronized (mPackages) { 3941 pkgs = mDeferredDexOpt; 3942 mDeferredDexOpt = null; 3943 } 3944 if (pkgs != null) { 3945 int i = 0; 3946 for (PackageParser.Package pkg : pkgs) { 3947 if (!isFirstBoot()) { 3948 i++; 3949 try { 3950 ActivityManagerNative.getDefault().showBootMessage( 3951 mContext.getResources().getString( 3952 com.android.internal.R.string.android_upgrading_apk, 3953 i, pkgs.size()), true); 3954 } catch (RemoteException e) { 3955 } 3956 } 3957 PackageParser.Package p = pkg; 3958 synchronized (mInstallLock) { 3959 if (!p.mDidDexOpt) { 3960 performDexOptLI(p, false, false, true); 3961 } 3962 } 3963 } 3964 } 3965 } 3966 3967 public boolean performDexOpt(String packageName) { 3968 enforceSystemOrRoot("Only the system can request dexopt be performed"); 3969 3970 if (!mNoDexOpt) { 3971 return false; 3972 } 3973 3974 PackageParser.Package p; 3975 synchronized (mPackages) { 3976 p = mPackages.get(packageName); 3977 if (p == null || p.mDidDexOpt) { 3978 return false; 3979 } 3980 } 3981 synchronized (mInstallLock) { 3982 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 3983 } 3984 } 3985 3986 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 3987 HashSet<String> done) { 3988 for (int i=0; i<libs.size(); i++) { 3989 PackageParser.Package libPkg; 3990 String libName; 3991 synchronized (mPackages) { 3992 libName = libs.get(i); 3993 SharedLibraryEntry lib = mSharedLibraries.get(libName); 3994 if (lib != null && lib.apk != null) { 3995 libPkg = mPackages.get(lib.apk); 3996 } else { 3997 libPkg = null; 3998 } 3999 } 4000 if (libPkg != null && !done.contains(libName)) { 4001 performDexOptLI(libPkg, forceDex, defer, done); 4002 } 4003 } 4004 } 4005 4006 static final int DEX_OPT_SKIPPED = 0; 4007 static final int DEX_OPT_PERFORMED = 1; 4008 static final int DEX_OPT_DEFERRED = 2; 4009 static final int DEX_OPT_FAILED = -1; 4010 4011 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4012 HashSet<String> done) { 4013 boolean performed = false; 4014 if (done != null) { 4015 done.add(pkg.packageName); 4016 if (pkg.usesLibraries != null) { 4017 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4018 } 4019 if (pkg.usesOptionalLibraries != null) { 4020 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4021 } 4022 } 4023 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4024 String path = pkg.mScanPath; 4025 int ret = 0; 4026 try { 4027 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, pkg.packageName, 4028 defer)) { 4029 if (!forceDex && defer) { 4030 if (mDeferredDexOpt == null) { 4031 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4032 } 4033 mDeferredDexOpt.add(pkg); 4034 return DEX_OPT_DEFERRED; 4035 } else { 4036 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4037 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4038 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4039 pkg.packageName); 4040 pkg.mDidDexOpt = true; 4041 performed = true; 4042 } 4043 } 4044 } catch (FileNotFoundException e) { 4045 Slog.w(TAG, "Apk not found for dexopt: " + path); 4046 ret = -1; 4047 } catch (IOException e) { 4048 Slog.w(TAG, "IOException reading apk: " + path, e); 4049 ret = -1; 4050 } catch (dalvik.system.StaleDexCacheError e) { 4051 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4052 ret = -1; 4053 } catch (Exception e) { 4054 Slog.w(TAG, "Exception when doing dexopt : ", e); 4055 ret = -1; 4056 } 4057 if (ret < 0) { 4058 //error from installer 4059 return DEX_OPT_FAILED; 4060 } 4061 } 4062 4063 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4064 } 4065 4066 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4067 boolean inclDependencies) { 4068 HashSet<String> done; 4069 boolean performed = false; 4070 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4071 done = new HashSet<String>(); 4072 done.add(pkg.packageName); 4073 } else { 4074 done = null; 4075 } 4076 return performDexOptLI(pkg, forceDex, defer, done); 4077 } 4078 4079 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4080 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4081 Slog.w(TAG, "Unable to update from " + oldPkg.name 4082 + " to " + newPkg.packageName 4083 + ": old package not in system partition"); 4084 return false; 4085 } else if (mPackages.get(oldPkg.name) != null) { 4086 Slog.w(TAG, "Unable to update from " + oldPkg.name 4087 + " to " + newPkg.packageName 4088 + ": old package still exists"); 4089 return false; 4090 } 4091 return true; 4092 } 4093 4094 File getDataPathForUser(int userId) { 4095 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4096 } 4097 4098 private File getDataPathForPackage(String packageName, int userId) { 4099 /* 4100 * Until we fully support multiple users, return the directory we 4101 * previously would have. The PackageManagerTests will need to be 4102 * revised when this is changed back.. 4103 */ 4104 if (userId == 0) { 4105 return new File(mAppDataDir, packageName); 4106 } else { 4107 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4108 + File.separator + packageName); 4109 } 4110 } 4111 4112 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4113 int[] users = sUserManager.getUserIds(); 4114 int res = mInstaller.install(packageName, uid, uid, seinfo); 4115 if (res < 0) { 4116 return res; 4117 } 4118 for (int user : users) { 4119 if (user != 0) { 4120 res = mInstaller.createUserData(packageName, 4121 UserHandle.getUid(user, uid), user, seinfo); 4122 if (res < 0) { 4123 return res; 4124 } 4125 } 4126 } 4127 return res; 4128 } 4129 4130 private int removeDataDirsLI(String packageName) { 4131 int[] users = sUserManager.getUserIds(); 4132 int res = 0; 4133 for (int user : users) { 4134 int resInner = mInstaller.remove(packageName, user); 4135 if (resInner < 0) { 4136 res = resInner; 4137 } 4138 } 4139 4140 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4141 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4142 if (!nativeLibraryFile.delete()) { 4143 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4144 } 4145 4146 return res; 4147 } 4148 4149 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4150 PackageParser.Package changingLib) { 4151 if (file.path != null) { 4152 mTmpSharedLibraries[num] = file.path; 4153 return num+1; 4154 } 4155 PackageParser.Package p = mPackages.get(file.apk); 4156 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4157 // If we are doing this while in the middle of updating a library apk, 4158 // then we need to make sure to use that new apk for determining the 4159 // dependencies here. (We haven't yet finished committing the new apk 4160 // to the package manager state.) 4161 if (p == null || p.packageName.equals(changingLib.packageName)) { 4162 p = changingLib; 4163 } 4164 } 4165 if (p != null) { 4166 String path = p.mPath; 4167 for (int i=0; i<num; i++) { 4168 if (mTmpSharedLibraries[i].equals(path)) { 4169 return num; 4170 } 4171 } 4172 mTmpSharedLibraries[num] = p.mPath; 4173 return num+1; 4174 } 4175 return num; 4176 } 4177 4178 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4179 PackageParser.Package changingLib) { 4180 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4181 if (mTmpSharedLibraries == null || 4182 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4183 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4184 } 4185 int num = 0; 4186 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4187 for (int i=0; i<N; i++) { 4188 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4189 if (file == null) { 4190 Slog.e(TAG, "Package " + pkg.packageName 4191 + " requires unavailable shared library " 4192 + pkg.usesLibraries.get(i) + "; failing!"); 4193 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4194 return false; 4195 } 4196 num = addSharedLibraryLPw(file, num, changingLib); 4197 } 4198 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4199 for (int i=0; i<N; i++) { 4200 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4201 if (file == null) { 4202 Slog.w(TAG, "Package " + pkg.packageName 4203 + " desires unavailable shared library " 4204 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4205 } else { 4206 num = addSharedLibraryLPw(file, num, changingLib); 4207 } 4208 } 4209 if (num > 0) { 4210 pkg.usesLibraryFiles = new String[num]; 4211 System.arraycopy(mTmpSharedLibraries, 0, 4212 pkg.usesLibraryFiles, 0, num); 4213 } else { 4214 pkg.usesLibraryFiles = null; 4215 } 4216 } 4217 return true; 4218 } 4219 4220 private static boolean hasString(List<String> list, List<String> which) { 4221 if (list == null) { 4222 return false; 4223 } 4224 for (int i=list.size()-1; i>=0; i--) { 4225 for (int j=which.size()-1; j>=0; j--) { 4226 if (which.get(j).equals(list.get(i))) { 4227 return true; 4228 } 4229 } 4230 } 4231 return false; 4232 } 4233 4234 private void updateAllSharedLibrariesLPw() { 4235 for (PackageParser.Package pkg : mPackages.values()) { 4236 updateSharedLibrariesLPw(pkg, null); 4237 } 4238 } 4239 4240 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4241 PackageParser.Package changingPkg) { 4242 ArrayList<PackageParser.Package> res = null; 4243 for (PackageParser.Package pkg : mPackages.values()) { 4244 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4245 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4246 if (res == null) { 4247 res = new ArrayList<PackageParser.Package>(); 4248 } 4249 res.add(pkg); 4250 updateSharedLibrariesLPw(pkg, changingPkg); 4251 } 4252 } 4253 return res; 4254 } 4255 4256 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4257 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4258 File scanFile = new File(pkg.mScanPath); 4259 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4260 pkg.applicationInfo.publicSourceDir == null) { 4261 // Bail out. The resource and code paths haven't been set. 4262 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4263 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4264 return null; 4265 } 4266 4267 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4268 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4269 } 4270 4271 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4272 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4273 } 4274 4275 if (mCustomResolverComponentName != null && 4276 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4277 setUpCustomResolverActivity(pkg); 4278 } 4279 4280 if (pkg.packageName.equals("android")) { 4281 synchronized (mPackages) { 4282 if (mAndroidApplication != null) { 4283 Slog.w(TAG, "*************************************************"); 4284 Slog.w(TAG, "Core android package being redefined. Skipping."); 4285 Slog.w(TAG, " file=" + scanFile); 4286 Slog.w(TAG, "*************************************************"); 4287 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4288 return null; 4289 } 4290 4291 // Set up information for our fall-back user intent resolution activity. 4292 mPlatformPackage = pkg; 4293 pkg.mVersionCode = mSdkVersion; 4294 mAndroidApplication = pkg.applicationInfo; 4295 4296 if (!mResolverReplaced) { 4297 mResolveActivity.applicationInfo = mAndroidApplication; 4298 mResolveActivity.name = ResolverActivity.class.getName(); 4299 mResolveActivity.packageName = mAndroidApplication.packageName; 4300 mResolveActivity.processName = "system:ui"; 4301 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4302 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4303 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4304 mResolveActivity.exported = true; 4305 mResolveActivity.enabled = true; 4306 mResolveInfo.activityInfo = mResolveActivity; 4307 mResolveInfo.priority = 0; 4308 mResolveInfo.preferredOrder = 0; 4309 mResolveInfo.match = 0; 4310 mResolveComponentName = new ComponentName( 4311 mAndroidApplication.packageName, mResolveActivity.name); 4312 } 4313 } 4314 } 4315 4316 if (DEBUG_PACKAGE_SCANNING) { 4317 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4318 Log.d(TAG, "Scanning package " + pkg.packageName); 4319 } 4320 4321 if (mPackages.containsKey(pkg.packageName) 4322 || mSharedLibraries.containsKey(pkg.packageName)) { 4323 Slog.w(TAG, "Application package " + pkg.packageName 4324 + " already installed. Skipping duplicate."); 4325 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4326 return null; 4327 } 4328 4329 // Initialize package source and resource directories 4330 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4331 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4332 4333 SharedUserSetting suid = null; 4334 PackageSetting pkgSetting = null; 4335 4336 if (!isSystemApp(pkg)) { 4337 // Only system apps can use these features. 4338 pkg.mOriginalPackages = null; 4339 pkg.mRealPackage = null; 4340 pkg.mAdoptPermissions = null; 4341 } 4342 4343 // writer 4344 synchronized (mPackages) { 4345 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4346 // Check all shared libraries and map to their actual file path. 4347 // We only do this here for apps not on a system dir, because those 4348 // are the only ones that can fail an install due to this. We 4349 // will take care of the system apps by updating all of their 4350 // library paths after the scan is done. 4351 if (!updateSharedLibrariesLPw(pkg, null)) { 4352 return null; 4353 } 4354 } 4355 4356 if (pkg.mSharedUserId != null) { 4357 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4358 if (suid == null) { 4359 Slog.w(TAG, "Creating application package " + pkg.packageName 4360 + " for shared user failed"); 4361 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4362 return null; 4363 } 4364 if (DEBUG_PACKAGE_SCANNING) { 4365 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4366 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4367 + "): packages=" + suid.packages); 4368 } 4369 } 4370 4371 // Check if we are renaming from an original package name. 4372 PackageSetting origPackage = null; 4373 String realName = null; 4374 if (pkg.mOriginalPackages != null) { 4375 // This package may need to be renamed to a previously 4376 // installed name. Let's check on that... 4377 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4378 if (pkg.mOriginalPackages.contains(renamed)) { 4379 // This package had originally been installed as the 4380 // original name, and we have already taken care of 4381 // transitioning to the new one. Just update the new 4382 // one to continue using the old name. 4383 realName = pkg.mRealPackage; 4384 if (!pkg.packageName.equals(renamed)) { 4385 // Callers into this function may have already taken 4386 // care of renaming the package; only do it here if 4387 // it is not already done. 4388 pkg.setPackageName(renamed); 4389 } 4390 4391 } else { 4392 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4393 if ((origPackage = mSettings.peekPackageLPr( 4394 pkg.mOriginalPackages.get(i))) != null) { 4395 // We do have the package already installed under its 4396 // original name... should we use it? 4397 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4398 // New package is not compatible with original. 4399 origPackage = null; 4400 continue; 4401 } else if (origPackage.sharedUser != null) { 4402 // Make sure uid is compatible between packages. 4403 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4404 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4405 + " to " + pkg.packageName + ": old uid " 4406 + origPackage.sharedUser.name 4407 + " differs from " + pkg.mSharedUserId); 4408 origPackage = null; 4409 continue; 4410 } 4411 } else { 4412 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4413 + pkg.packageName + " to old name " + origPackage.name); 4414 } 4415 break; 4416 } 4417 } 4418 } 4419 } 4420 4421 if (mTransferedPackages.contains(pkg.packageName)) { 4422 Slog.w(TAG, "Package " + pkg.packageName 4423 + " was transferred to another, but its .apk remains"); 4424 } 4425 4426 // Just create the setting, don't add it yet. For already existing packages 4427 // the PkgSetting exists already and doesn't have to be created. 4428 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4429 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4430 pkg.applicationInfo.flags, user, false); 4431 if (pkgSetting == null) { 4432 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4433 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4434 return null; 4435 } 4436 4437 if (pkgSetting.origPackage != null) { 4438 // If we are first transitioning from an original package, 4439 // fix up the new package's name now. We need to do this after 4440 // looking up the package under its new name, so getPackageLP 4441 // can take care of fiddling things correctly. 4442 pkg.setPackageName(origPackage.name); 4443 4444 // File a report about this. 4445 String msg = "New package " + pkgSetting.realName 4446 + " renamed to replace old package " + pkgSetting.name; 4447 reportSettingsProblem(Log.WARN, msg); 4448 4449 // Make a note of it. 4450 mTransferedPackages.add(origPackage.name); 4451 4452 // No longer need to retain this. 4453 pkgSetting.origPackage = null; 4454 } 4455 4456 if (realName != null) { 4457 // Make a note of it. 4458 mTransferedPackages.add(pkg.packageName); 4459 } 4460 4461 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4462 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4463 } 4464 4465 if (mFoundPolicyFile) { 4466 SELinuxMMAC.assignSeinfoValue(pkg); 4467 } 4468 4469 pkg.applicationInfo.uid = pkgSetting.appId; 4470 pkg.mExtras = pkgSetting; 4471 4472 if (!verifySignaturesLP(pkgSetting, pkg)) { 4473 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4474 return null; 4475 } 4476 // The signature has changed, but this package is in the system 4477 // image... let's recover! 4478 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4479 // However... if this package is part of a shared user, but it 4480 // doesn't match the signature of the shared user, let's fail. 4481 // What this means is that you can't change the signatures 4482 // associated with an overall shared user, which doesn't seem all 4483 // that unreasonable. 4484 if (pkgSetting.sharedUser != null) { 4485 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4486 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4487 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4488 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4489 return null; 4490 } 4491 } 4492 // File a report about this. 4493 String msg = "System package " + pkg.packageName 4494 + " signature changed; retaining data."; 4495 reportSettingsProblem(Log.WARN, msg); 4496 } 4497 4498 // Verify that this new package doesn't have any content providers 4499 // that conflict with existing packages. Only do this if the 4500 // package isn't already installed, since we don't want to break 4501 // things that are installed. 4502 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4503 final int N = pkg.providers.size(); 4504 int i; 4505 for (i=0; i<N; i++) { 4506 PackageParser.Provider p = pkg.providers.get(i); 4507 if (p.info.authority != null) { 4508 String names[] = p.info.authority.split(";"); 4509 for (int j = 0; j < names.length; j++) { 4510 if (mProvidersByAuthority.containsKey(names[j])) { 4511 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4512 Slog.w(TAG, "Can't install because provider name " + names[j] + 4513 " (in package " + pkg.applicationInfo.packageName + 4514 ") is already used by " 4515 + ((other != null && other.getComponentName() != null) 4516 ? other.getComponentName().getPackageName() : "?")); 4517 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4518 return null; 4519 } 4520 } 4521 } 4522 } 4523 } 4524 4525 if (pkg.mAdoptPermissions != null) { 4526 // This package wants to adopt ownership of permissions from 4527 // another package. 4528 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4529 final String origName = pkg.mAdoptPermissions.get(i); 4530 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4531 if (orig != null) { 4532 if (verifyPackageUpdateLPr(orig, pkg)) { 4533 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4534 + pkg.packageName); 4535 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4536 } 4537 } 4538 } 4539 } 4540 } 4541 4542 final String pkgName = pkg.packageName; 4543 4544 final long scanFileTime = scanFile.lastModified(); 4545 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4546 pkg.applicationInfo.processName = fixProcessName( 4547 pkg.applicationInfo.packageName, 4548 pkg.applicationInfo.processName, 4549 pkg.applicationInfo.uid); 4550 4551 File dataPath; 4552 if (mPlatformPackage == pkg) { 4553 // The system package is special. 4554 dataPath = new File (Environment.getDataDirectory(), "system"); 4555 pkg.applicationInfo.dataDir = dataPath.getPath(); 4556 } else { 4557 // This is a normal package, need to make its data directory. 4558 dataPath = getDataPathForPackage(pkg.packageName, 0); 4559 4560 boolean uidError = false; 4561 4562 if (dataPath.exists()) { 4563 int currentUid = 0; 4564 try { 4565 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4566 currentUid = stat.st_uid; 4567 } catch (ErrnoException e) { 4568 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4569 } 4570 4571 // If we have mismatched owners for the data path, we have a problem. 4572 if (currentUid != pkg.applicationInfo.uid) { 4573 boolean recovered = false; 4574 if (currentUid == 0) { 4575 // The directory somehow became owned by root. Wow. 4576 // This is probably because the system was stopped while 4577 // installd was in the middle of messing with its libs 4578 // directory. Ask installd to fix that. 4579 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4580 pkg.applicationInfo.uid); 4581 if (ret >= 0) { 4582 recovered = true; 4583 String msg = "Package " + pkg.packageName 4584 + " unexpectedly changed to uid 0; recovered to " + 4585 + pkg.applicationInfo.uid; 4586 reportSettingsProblem(Log.WARN, msg); 4587 } 4588 } 4589 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4590 || (scanMode&SCAN_BOOTING) != 0)) { 4591 // If this is a system app, we can at least delete its 4592 // current data so the application will still work. 4593 int ret = removeDataDirsLI(pkgName); 4594 if (ret >= 0) { 4595 // TODO: Kill the processes first 4596 // Old data gone! 4597 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4598 ? "System package " : "Third party package "; 4599 String msg = prefix + pkg.packageName 4600 + " has changed from uid: " 4601 + currentUid + " to " 4602 + pkg.applicationInfo.uid + "; old data erased"; 4603 reportSettingsProblem(Log.WARN, msg); 4604 recovered = true; 4605 4606 // And now re-install the app. 4607 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4608 pkg.applicationInfo.seinfo); 4609 if (ret == -1) { 4610 // Ack should not happen! 4611 msg = prefix + pkg.packageName 4612 + " could not have data directory re-created after delete."; 4613 reportSettingsProblem(Log.WARN, msg); 4614 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4615 return null; 4616 } 4617 } 4618 if (!recovered) { 4619 mHasSystemUidErrors = true; 4620 } 4621 } else if (!recovered) { 4622 // If we allow this install to proceed, we will be broken. 4623 // Abort, abort! 4624 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4625 return null; 4626 } 4627 if (!recovered) { 4628 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4629 + pkg.applicationInfo.uid + "/fs_" 4630 + currentUid; 4631 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4632 String msg = "Package " + pkg.packageName 4633 + " has mismatched uid: " 4634 + currentUid + " on disk, " 4635 + pkg.applicationInfo.uid + " in settings"; 4636 // writer 4637 synchronized (mPackages) { 4638 mSettings.mReadMessages.append(msg); 4639 mSettings.mReadMessages.append('\n'); 4640 uidError = true; 4641 if (!pkgSetting.uidError) { 4642 reportSettingsProblem(Log.ERROR, msg); 4643 } 4644 } 4645 } 4646 } 4647 pkg.applicationInfo.dataDir = dataPath.getPath(); 4648 if (mShouldRestoreconData) { 4649 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 4650 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 4651 pkg.applicationInfo.uid); 4652 } 4653 } else { 4654 if (DEBUG_PACKAGE_SCANNING) { 4655 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4656 Log.v(TAG, "Want this data dir: " + dataPath); 4657 } 4658 //invoke installer to do the actual installation 4659 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4660 pkg.applicationInfo.seinfo); 4661 if (ret < 0) { 4662 // Error from installer 4663 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4664 return null; 4665 } 4666 4667 if (dataPath.exists()) { 4668 pkg.applicationInfo.dataDir = dataPath.getPath(); 4669 } else { 4670 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4671 pkg.applicationInfo.dataDir = null; 4672 } 4673 } 4674 4675 /* 4676 * Set the data dir to the default "/data/data/<package name>/lib" 4677 * if we got here without anyone telling us different (e.g., apps 4678 * stored on SD card have their native libraries stored in the ASEC 4679 * container with the APK). 4680 * 4681 * This happens during an upgrade from a package settings file that 4682 * doesn't have a native library path attribute at all. 4683 */ 4684 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4685 if (pkgSetting.nativeLibraryPathString == null) { 4686 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4687 } else { 4688 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4689 } 4690 } 4691 4692 pkgSetting.uidError = uidError; 4693 } 4694 4695 String path = scanFile.getPath(); 4696 /* Note: We don't want to unpack the native binaries for 4697 * system applications, unless they have been updated 4698 * (the binaries are already under /system/lib). 4699 * Also, don't unpack libs for apps on the external card 4700 * since they should have their libraries in the ASEC 4701 * container already. 4702 * 4703 * In other words, we're going to unpack the binaries 4704 * only for non-system apps and system app upgrades. 4705 */ 4706 if (pkg.applicationInfo.nativeLibraryDir != null) { 4707 try { 4708 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4709 final String dataPathString = dataPath.getCanonicalPath(); 4710 4711 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4712 /* 4713 * Upgrading from a previous version of the OS sometimes 4714 * leaves native libraries in the /data/data/<app>/lib 4715 * directory for system apps even when they shouldn't be. 4716 * Recent changes in the JNI library search path 4717 * necessitates we remove those to match previous behavior. 4718 */ 4719 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4720 Log.i(TAG, "removed obsolete native libraries for system package " 4721 + path); 4722 } 4723 } else { 4724 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4725 /* 4726 * Update native library dir if it starts with 4727 * /data/data 4728 */ 4729 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4730 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4731 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4732 } 4733 4734 try { 4735 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4736 Slog.e(TAG, "Unable to copy native libraries"); 4737 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4738 return null; 4739 } 4740 } catch (IOException e) { 4741 Slog.e(TAG, "Unable to copy native libraries", e); 4742 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4743 return null; 4744 } 4745 } 4746 4747 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4748 final int[] userIds = sUserManager.getUserIds(); 4749 synchronized (mInstallLock) { 4750 for (int userId : userIds) { 4751 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4752 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4753 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4754 + ")"); 4755 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4756 return null; 4757 } 4758 } 4759 } 4760 } 4761 } catch (IOException ioe) { 4762 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4763 } 4764 } 4765 pkg.mScanPath = path; 4766 4767 if ((scanMode&SCAN_NO_DEX) == 0) { 4768 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4769 == DEX_OPT_FAILED) { 4770 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4771 removeDataDirsLI(pkg.packageName); 4772 } 4773 4774 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4775 return null; 4776 } 4777 } 4778 4779 if (mFactoryTest && pkg.requestedPermissions.contains( 4780 android.Manifest.permission.FACTORY_TEST)) { 4781 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4782 } 4783 4784 ArrayList<PackageParser.Package> clientLibPkgs = null; 4785 4786 // writer 4787 synchronized (mPackages) { 4788 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4789 // Only system apps can add new shared libraries. 4790 if (pkg.libraryNames != null) { 4791 for (int i=0; i<pkg.libraryNames.size(); i++) { 4792 String name = pkg.libraryNames.get(i); 4793 boolean allowed = false; 4794 if (isUpdatedSystemApp(pkg)) { 4795 // New library entries can only be added through the 4796 // system image. This is important to get rid of a lot 4797 // of nasty edge cases: for example if we allowed a non- 4798 // system update of the app to add a library, then uninstalling 4799 // the update would make the library go away, and assumptions 4800 // we made such as through app install filtering would now 4801 // have allowed apps on the device which aren't compatible 4802 // with it. Better to just have the restriction here, be 4803 // conservative, and create many fewer cases that can negatively 4804 // impact the user experience. 4805 final PackageSetting sysPs = mSettings 4806 .getDisabledSystemPkgLPr(pkg.packageName); 4807 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4808 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4809 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4810 allowed = true; 4811 allowed = true; 4812 break; 4813 } 4814 } 4815 } 4816 } else { 4817 allowed = true; 4818 } 4819 if (allowed) { 4820 if (!mSharedLibraries.containsKey(name)) { 4821 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4822 pkg.packageName)); 4823 } else if (!name.equals(pkg.packageName)) { 4824 Slog.w(TAG, "Package " + pkg.packageName + " library " 4825 + name + " already exists; skipping"); 4826 } 4827 } else { 4828 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4829 + name + " that is not declared on system image; skipping"); 4830 } 4831 } 4832 if ((scanMode&SCAN_BOOTING) == 0) { 4833 // If we are not booting, we need to update any applications 4834 // that are clients of our shared library. If we are booting, 4835 // this will all be done once the scan is complete. 4836 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4837 } 4838 } 4839 } 4840 } 4841 4842 // We also need to dexopt any apps that are dependent on this library. Note that 4843 // if these fail, we should abort the install since installing the library will 4844 // result in some apps being broken. 4845 if (clientLibPkgs != null) { 4846 if ((scanMode&SCAN_NO_DEX) == 0) { 4847 for (int i=0; i<clientLibPkgs.size(); i++) { 4848 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4849 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4850 == DEX_OPT_FAILED) { 4851 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4852 removeDataDirsLI(pkg.packageName); 4853 } 4854 4855 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4856 return null; 4857 } 4858 } 4859 } 4860 } 4861 4862 // Request the ActivityManager to kill the process(only for existing packages) 4863 // so that we do not end up in a confused state while the user is still using the older 4864 // version of the application while the new one gets installed. 4865 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4866 // If the package lives in an asec, tell everyone that the container is going 4867 // away so they can clean up any references to its resources (which would prevent 4868 // vold from being able to unmount the asec) 4869 if (isForwardLocked(pkg) || isExternal(pkg)) { 4870 if (DEBUG_INSTALL) { 4871 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4872 } 4873 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4874 final ArrayList<String> pkgList = new ArrayList<String>(1); 4875 pkgList.add(pkg.applicationInfo.packageName); 4876 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4877 } 4878 4879 // Post the request that it be killed now that the going-away broadcast is en route 4880 killApplication(pkg.applicationInfo.packageName, 4881 pkg.applicationInfo.uid, "update pkg"); 4882 } 4883 4884 // Also need to kill any apps that are dependent on the library. 4885 if (clientLibPkgs != null) { 4886 for (int i=0; i<clientLibPkgs.size(); i++) { 4887 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4888 killApplication(clientPkg.applicationInfo.packageName, 4889 clientPkg.applicationInfo.uid, "update lib"); 4890 } 4891 } 4892 4893 // writer 4894 synchronized (mPackages) { 4895 // We don't expect installation to fail beyond this point, 4896 if ((scanMode&SCAN_MONITOR) != 0) { 4897 mAppDirs.put(pkg.mPath, pkg); 4898 } 4899 // Add the new setting to mSettings 4900 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4901 // Add the new setting to mPackages 4902 mPackages.put(pkg.applicationInfo.packageName, pkg); 4903 // Make sure we don't accidentally delete its data. 4904 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4905 while (iter.hasNext()) { 4906 PackageCleanItem item = iter.next(); 4907 if (pkgName.equals(item.packageName)) { 4908 iter.remove(); 4909 } 4910 } 4911 4912 // Take care of first install / last update times. 4913 if (currentTime != 0) { 4914 if (pkgSetting.firstInstallTime == 0) { 4915 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4916 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4917 pkgSetting.lastUpdateTime = currentTime; 4918 } 4919 } else if (pkgSetting.firstInstallTime == 0) { 4920 // We need *something*. Take time time stamp of the file. 4921 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4922 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4923 if (scanFileTime != pkgSetting.timeStamp) { 4924 // A package on the system image has changed; consider this 4925 // to be an update. 4926 pkgSetting.lastUpdateTime = scanFileTime; 4927 } 4928 } 4929 4930 // Add the package's KeySets to the global KeySetManager 4931 KeySetManager ksm = mSettings.mKeySetManager; 4932 try { 4933 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4934 if (pkg.mKeySetMapping != null) { 4935 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4936 if (entry.getValue() != null) { 4937 ksm.addDefinedKeySetToPackage(pkg.packageName, 4938 entry.getValue(), entry.getKey()); 4939 } 4940 } 4941 } 4942 } catch (NullPointerException e) { 4943 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 4944 } catch (IllegalArgumentException e) { 4945 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 4946 } 4947 4948 int N = pkg.providers.size(); 4949 StringBuilder r = null; 4950 int i; 4951 for (i=0; i<N; i++) { 4952 PackageParser.Provider p = pkg.providers.get(i); 4953 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 4954 p.info.processName, pkg.applicationInfo.uid); 4955 mProviders.addProvider(p); 4956 p.syncable = p.info.isSyncable; 4957 if (p.info.authority != null) { 4958 String names[] = p.info.authority.split(";"); 4959 p.info.authority = null; 4960 for (int j = 0; j < names.length; j++) { 4961 if (j == 1 && p.syncable) { 4962 // We only want the first authority for a provider to possibly be 4963 // syncable, so if we already added this provider using a different 4964 // authority clear the syncable flag. We copy the provider before 4965 // changing it because the mProviders object contains a reference 4966 // to a provider that we don't want to change. 4967 // Only do this for the second authority since the resulting provider 4968 // object can be the same for all future authorities for this provider. 4969 p = new PackageParser.Provider(p); 4970 p.syncable = false; 4971 } 4972 if (!mProvidersByAuthority.containsKey(names[j])) { 4973 mProvidersByAuthority.put(names[j], p); 4974 if (p.info.authority == null) { 4975 p.info.authority = names[j]; 4976 } else { 4977 p.info.authority = p.info.authority + ";" + names[j]; 4978 } 4979 if (DEBUG_PACKAGE_SCANNING) { 4980 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4981 Log.d(TAG, "Registered content provider: " + names[j] 4982 + ", className = " + p.info.name + ", isSyncable = " 4983 + p.info.isSyncable); 4984 } 4985 } else { 4986 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4987 Slog.w(TAG, "Skipping provider name " + names[j] + 4988 " (in package " + pkg.applicationInfo.packageName + 4989 "): name already used by " 4990 + ((other != null && other.getComponentName() != null) 4991 ? other.getComponentName().getPackageName() : "?")); 4992 } 4993 } 4994 } 4995 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 4996 if (r == null) { 4997 r = new StringBuilder(256); 4998 } else { 4999 r.append(' '); 5000 } 5001 r.append(p.info.name); 5002 } 5003 } 5004 if (r != null) { 5005 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5006 } 5007 5008 N = pkg.services.size(); 5009 r = null; 5010 for (i=0; i<N; i++) { 5011 PackageParser.Service s = pkg.services.get(i); 5012 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5013 s.info.processName, pkg.applicationInfo.uid); 5014 mServices.addService(s); 5015 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5016 if (r == null) { 5017 r = new StringBuilder(256); 5018 } else { 5019 r.append(' '); 5020 } 5021 r.append(s.info.name); 5022 } 5023 } 5024 if (r != null) { 5025 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5026 } 5027 5028 N = pkg.receivers.size(); 5029 r = null; 5030 for (i=0; i<N; i++) { 5031 PackageParser.Activity a = pkg.receivers.get(i); 5032 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5033 a.info.processName, pkg.applicationInfo.uid); 5034 mReceivers.addActivity(a, "receiver"); 5035 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5036 if (r == null) { 5037 r = new StringBuilder(256); 5038 } else { 5039 r.append(' '); 5040 } 5041 r.append(a.info.name); 5042 } 5043 } 5044 if (r != null) { 5045 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5046 } 5047 5048 N = pkg.activities.size(); 5049 r = null; 5050 for (i=0; i<N; i++) { 5051 PackageParser.Activity a = pkg.activities.get(i); 5052 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5053 a.info.processName, pkg.applicationInfo.uid); 5054 mActivities.addActivity(a, "activity"); 5055 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5056 if (r == null) { 5057 r = new StringBuilder(256); 5058 } else { 5059 r.append(' '); 5060 } 5061 r.append(a.info.name); 5062 } 5063 } 5064 if (r != null) { 5065 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5066 } 5067 5068 N = pkg.permissionGroups.size(); 5069 r = null; 5070 for (i=0; i<N; i++) { 5071 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5072 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5073 if (cur == null) { 5074 mPermissionGroups.put(pg.info.name, pg); 5075 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5076 if (r == null) { 5077 r = new StringBuilder(256); 5078 } else { 5079 r.append(' '); 5080 } 5081 r.append(pg.info.name); 5082 } 5083 } else { 5084 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5085 + pg.info.packageName + " ignored: original from " 5086 + cur.info.packageName); 5087 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5088 if (r == null) { 5089 r = new StringBuilder(256); 5090 } else { 5091 r.append(' '); 5092 } 5093 r.append("DUP:"); 5094 r.append(pg.info.name); 5095 } 5096 } 5097 } 5098 if (r != null) { 5099 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5100 } 5101 5102 N = pkg.permissions.size(); 5103 r = null; 5104 for (i=0; i<N; i++) { 5105 PackageParser.Permission p = pkg.permissions.get(i); 5106 HashMap<String, BasePermission> permissionMap = 5107 p.tree ? mSettings.mPermissionTrees 5108 : mSettings.mPermissions; 5109 p.group = mPermissionGroups.get(p.info.group); 5110 if (p.info.group == null || p.group != null) { 5111 BasePermission bp = permissionMap.get(p.info.name); 5112 if (bp == null) { 5113 bp = new BasePermission(p.info.name, p.info.packageName, 5114 BasePermission.TYPE_NORMAL); 5115 permissionMap.put(p.info.name, bp); 5116 } 5117 if (bp.perm == null) { 5118 if (bp.sourcePackage != null 5119 && !bp.sourcePackage.equals(p.info.packageName)) { 5120 // If this is a permission that was formerly defined by a non-system 5121 // app, but is now defined by a system app (following an upgrade), 5122 // discard the previous declaration and consider the system's to be 5123 // canonical. 5124 if (isSystemApp(p.owner)) { 5125 Slog.i(TAG, "New decl " + p.owner + " of permission " 5126 + p.info.name + " is system"); 5127 bp.sourcePackage = null; 5128 } 5129 } 5130 if (bp.sourcePackage == null 5131 || bp.sourcePackage.equals(p.info.packageName)) { 5132 BasePermission tree = findPermissionTreeLP(p.info.name); 5133 if (tree == null 5134 || tree.sourcePackage.equals(p.info.packageName)) { 5135 bp.packageSetting = pkgSetting; 5136 bp.perm = p; 5137 bp.uid = pkg.applicationInfo.uid; 5138 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5139 if (r == null) { 5140 r = new StringBuilder(256); 5141 } else { 5142 r.append(' '); 5143 } 5144 r.append(p.info.name); 5145 } 5146 } else { 5147 Slog.w(TAG, "Permission " + p.info.name + " from package " 5148 + p.info.packageName + " ignored: base tree " 5149 + tree.name + " is from package " 5150 + tree.sourcePackage); 5151 } 5152 } else { 5153 Slog.w(TAG, "Permission " + p.info.name + " from package " 5154 + p.info.packageName + " ignored: original from " 5155 + bp.sourcePackage); 5156 } 5157 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5158 if (r == null) { 5159 r = new StringBuilder(256); 5160 } else { 5161 r.append(' '); 5162 } 5163 r.append("DUP:"); 5164 r.append(p.info.name); 5165 } 5166 if (bp.perm == p) { 5167 bp.protectionLevel = p.info.protectionLevel; 5168 } 5169 } else { 5170 Slog.w(TAG, "Permission " + p.info.name + " from package " 5171 + p.info.packageName + " ignored: no group " 5172 + p.group); 5173 } 5174 } 5175 if (r != null) { 5176 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5177 } 5178 5179 N = pkg.instrumentation.size(); 5180 r = null; 5181 for (i=0; i<N; i++) { 5182 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5183 a.info.packageName = pkg.applicationInfo.packageName; 5184 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5185 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5186 a.info.dataDir = pkg.applicationInfo.dataDir; 5187 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5188 mInstrumentation.put(a.getComponentName(), a); 5189 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5190 if (r == null) { 5191 r = new StringBuilder(256); 5192 } else { 5193 r.append(' '); 5194 } 5195 r.append(a.info.name); 5196 } 5197 } 5198 if (r != null) { 5199 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5200 } 5201 5202 if (pkg.protectedBroadcasts != null) { 5203 N = pkg.protectedBroadcasts.size(); 5204 for (i=0; i<N; i++) { 5205 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5206 } 5207 } 5208 5209 pkgSetting.setTimeStamp(scanFileTime); 5210 5211 // Create idmap files for pairs of (packages, overlay packages). 5212 // Note: "android", ie framework-res.apk, is handled by native layers. 5213 if (pkg.mOverlayTarget != null) { 5214 // This is an overlay package. 5215 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5216 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5217 mOverlays.put(pkg.mOverlayTarget, 5218 new HashMap<String, PackageParser.Package>()); 5219 } 5220 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5221 map.put(pkg.packageName, pkg); 5222 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5223 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5224 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5225 return null; 5226 } 5227 } 5228 } else if (mOverlays.containsKey(pkg.packageName) && 5229 !pkg.packageName.equals("android")) { 5230 // This is a regular package, with one or more known overlay packages. 5231 createIdmapsForPackageLI(pkg); 5232 } 5233 } 5234 5235 return pkg; 5236 } 5237 5238 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5239 synchronized (mPackages) { 5240 mResolverReplaced = true; 5241 // Set up information for custom user intent resolution activity. 5242 mResolveActivity.applicationInfo = pkg.applicationInfo; 5243 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5244 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5245 mResolveActivity.processName = null; 5246 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5247 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5248 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5249 mResolveActivity.theme = 0; 5250 mResolveActivity.exported = true; 5251 mResolveActivity.enabled = true; 5252 mResolveInfo.activityInfo = mResolveActivity; 5253 mResolveInfo.priority = 0; 5254 mResolveInfo.preferredOrder = 0; 5255 mResolveInfo.match = 0; 5256 mResolveComponentName = mCustomResolverComponentName; 5257 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5258 mResolveComponentName); 5259 } 5260 } 5261 5262 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5263 PackageSetting pkgSetting) { 5264 final String apkLibPath = getApkName(pkgSetting.codePathString); 5265 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5266 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5267 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5268 } 5269 5270 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5271 throws IOException { 5272 if (!nativeLibraryDir.isDirectory()) { 5273 nativeLibraryDir.delete(); 5274 5275 if (!nativeLibraryDir.mkdir()) { 5276 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5277 } 5278 5279 try { 5280 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5281 | S_IXOTH); 5282 } catch (ErrnoException e) { 5283 throw new IOException("Cannot chmod native library directory " 5284 + nativeLibraryDir.getPath(), e); 5285 } 5286 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5287 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5288 } 5289 5290 /* 5291 * If this is an internal application or our nativeLibraryPath points to 5292 * the app-lib directory, unpack the libraries if necessary. 5293 */ 5294 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5295 } 5296 5297 private void killApplication(String pkgName, int appId, String reason) { 5298 // Request the ActivityManager to kill the process(only for existing packages) 5299 // so that we do not end up in a confused state while the user is still using the older 5300 // version of the application while the new one gets installed. 5301 IActivityManager am = ActivityManagerNative.getDefault(); 5302 if (am != null) { 5303 try { 5304 am.killApplicationWithAppId(pkgName, appId, reason); 5305 } catch (RemoteException e) { 5306 } 5307 } 5308 } 5309 5310 void removePackageLI(PackageSetting ps, boolean chatty) { 5311 if (DEBUG_INSTALL) { 5312 if (chatty) 5313 Log.d(TAG, "Removing package " + ps.name); 5314 } 5315 5316 // writer 5317 synchronized (mPackages) { 5318 mPackages.remove(ps.name); 5319 if (ps.codePathString != null) { 5320 mAppDirs.remove(ps.codePathString); 5321 } 5322 5323 final PackageParser.Package pkg = ps.pkg; 5324 if (pkg != null) { 5325 cleanPackageDataStructuresLILPw(pkg, chatty); 5326 } 5327 } 5328 } 5329 5330 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5331 if (DEBUG_INSTALL) { 5332 if (chatty) 5333 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5334 } 5335 5336 // writer 5337 synchronized (mPackages) { 5338 mPackages.remove(pkg.applicationInfo.packageName); 5339 if (pkg.mPath != null) { 5340 mAppDirs.remove(pkg.mPath); 5341 } 5342 cleanPackageDataStructuresLILPw(pkg, chatty); 5343 } 5344 } 5345 5346 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5347 int N = pkg.providers.size(); 5348 StringBuilder r = null; 5349 int i; 5350 for (i=0; i<N; i++) { 5351 PackageParser.Provider p = pkg.providers.get(i); 5352 mProviders.removeProvider(p); 5353 if (p.info.authority == null) { 5354 5355 /* There was another ContentProvider with this authority when 5356 * this app was installed so this authority is null, 5357 * Ignore it as we don't have to unregister the provider. 5358 */ 5359 continue; 5360 } 5361 String names[] = p.info.authority.split(";"); 5362 for (int j = 0; j < names.length; j++) { 5363 if (mProvidersByAuthority.get(names[j]) == p) { 5364 mProvidersByAuthority.remove(names[j]); 5365 if (DEBUG_REMOVE) { 5366 if (chatty) 5367 Log.d(TAG, "Unregistered content provider: " + names[j] 5368 + ", className = " + p.info.name + ", isSyncable = " 5369 + p.info.isSyncable); 5370 } 5371 } 5372 } 5373 if (DEBUG_REMOVE && chatty) { 5374 if (r == null) { 5375 r = new StringBuilder(256); 5376 } else { 5377 r.append(' '); 5378 } 5379 r.append(p.info.name); 5380 } 5381 } 5382 if (r != null) { 5383 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5384 } 5385 5386 N = pkg.services.size(); 5387 r = null; 5388 for (i=0; i<N; i++) { 5389 PackageParser.Service s = pkg.services.get(i); 5390 mServices.removeService(s); 5391 if (chatty) { 5392 if (r == null) { 5393 r = new StringBuilder(256); 5394 } else { 5395 r.append(' '); 5396 } 5397 r.append(s.info.name); 5398 } 5399 } 5400 if (r != null) { 5401 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5402 } 5403 5404 N = pkg.receivers.size(); 5405 r = null; 5406 for (i=0; i<N; i++) { 5407 PackageParser.Activity a = pkg.receivers.get(i); 5408 mReceivers.removeActivity(a, "receiver"); 5409 if (DEBUG_REMOVE && chatty) { 5410 if (r == null) { 5411 r = new StringBuilder(256); 5412 } else { 5413 r.append(' '); 5414 } 5415 r.append(a.info.name); 5416 } 5417 } 5418 if (r != null) { 5419 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5420 } 5421 5422 N = pkg.activities.size(); 5423 r = null; 5424 for (i=0; i<N; i++) { 5425 PackageParser.Activity a = pkg.activities.get(i); 5426 mActivities.removeActivity(a, "activity"); 5427 if (DEBUG_REMOVE && chatty) { 5428 if (r == null) { 5429 r = new StringBuilder(256); 5430 } else { 5431 r.append(' '); 5432 } 5433 r.append(a.info.name); 5434 } 5435 } 5436 if (r != null) { 5437 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5438 } 5439 5440 N = pkg.permissions.size(); 5441 r = null; 5442 for (i=0; i<N; i++) { 5443 PackageParser.Permission p = pkg.permissions.get(i); 5444 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5445 if (bp == null) { 5446 bp = mSettings.mPermissionTrees.get(p.info.name); 5447 } 5448 if (bp != null && bp.perm == p) { 5449 bp.perm = null; 5450 if (DEBUG_REMOVE && chatty) { 5451 if (r == null) { 5452 r = new StringBuilder(256); 5453 } else { 5454 r.append(' '); 5455 } 5456 r.append(p.info.name); 5457 } 5458 } 5459 } 5460 if (r != null) { 5461 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5462 } 5463 5464 N = pkg.instrumentation.size(); 5465 r = null; 5466 for (i=0; i<N; i++) { 5467 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5468 mInstrumentation.remove(a.getComponentName()); 5469 if (DEBUG_REMOVE && chatty) { 5470 if (r == null) { 5471 r = new StringBuilder(256); 5472 } else { 5473 r.append(' '); 5474 } 5475 r.append(a.info.name); 5476 } 5477 } 5478 if (r != null) { 5479 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5480 } 5481 5482 r = null; 5483 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5484 // Only system apps can hold shared libraries. 5485 if (pkg.libraryNames != null) { 5486 for (i=0; i<pkg.libraryNames.size(); i++) { 5487 String name = pkg.libraryNames.get(i); 5488 SharedLibraryEntry cur = mSharedLibraries.get(name); 5489 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5490 mSharedLibraries.remove(name); 5491 if (DEBUG_REMOVE && chatty) { 5492 if (r == null) { 5493 r = new StringBuilder(256); 5494 } else { 5495 r.append(' '); 5496 } 5497 r.append(name); 5498 } 5499 } 5500 } 5501 } 5502 } 5503 if (r != null) { 5504 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5505 } 5506 } 5507 5508 private static final boolean isPackageFilename(String name) { 5509 return name != null && name.endsWith(".apk"); 5510 } 5511 5512 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5513 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5514 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5515 return true; 5516 } 5517 } 5518 return false; 5519 } 5520 5521 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5522 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5523 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5524 5525 private void updatePermissionsLPw(String changingPkg, 5526 PackageParser.Package pkgInfo, int flags) { 5527 // Make sure there are no dangling permission trees. 5528 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5529 while (it.hasNext()) { 5530 final BasePermission bp = it.next(); 5531 if (bp.packageSetting == null) { 5532 // We may not yet have parsed the package, so just see if 5533 // we still know about its settings. 5534 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5535 } 5536 if (bp.packageSetting == null) { 5537 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5538 + " from package " + bp.sourcePackage); 5539 it.remove(); 5540 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5541 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5542 Slog.i(TAG, "Removing old permission tree: " + bp.name 5543 + " from package " + bp.sourcePackage); 5544 flags |= UPDATE_PERMISSIONS_ALL; 5545 it.remove(); 5546 } 5547 } 5548 } 5549 5550 // Make sure all dynamic permissions have been assigned to a package, 5551 // and make sure there are no dangling permissions. 5552 it = mSettings.mPermissions.values().iterator(); 5553 while (it.hasNext()) { 5554 final BasePermission bp = it.next(); 5555 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5556 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5557 + bp.name + " pkg=" + bp.sourcePackage 5558 + " info=" + bp.pendingInfo); 5559 if (bp.packageSetting == null && bp.pendingInfo != null) { 5560 final BasePermission tree = findPermissionTreeLP(bp.name); 5561 if (tree != null && tree.perm != null) { 5562 bp.packageSetting = tree.packageSetting; 5563 bp.perm = new PackageParser.Permission(tree.perm.owner, 5564 new PermissionInfo(bp.pendingInfo)); 5565 bp.perm.info.packageName = tree.perm.info.packageName; 5566 bp.perm.info.name = bp.name; 5567 bp.uid = tree.uid; 5568 } 5569 } 5570 } 5571 if (bp.packageSetting == null) { 5572 // We may not yet have parsed the package, so just see if 5573 // we still know about its settings. 5574 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5575 } 5576 if (bp.packageSetting == null) { 5577 Slog.w(TAG, "Removing dangling permission: " + bp.name 5578 + " from package " + bp.sourcePackage); 5579 it.remove(); 5580 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5581 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5582 Slog.i(TAG, "Removing old permission: " + bp.name 5583 + " from package " + bp.sourcePackage); 5584 flags |= UPDATE_PERMISSIONS_ALL; 5585 it.remove(); 5586 } 5587 } 5588 } 5589 5590 // Now update the permissions for all packages, in particular 5591 // replace the granted permissions of the system packages. 5592 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5593 for (PackageParser.Package pkg : mPackages.values()) { 5594 if (pkg != pkgInfo) { 5595 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5596 } 5597 } 5598 } 5599 5600 if (pkgInfo != null) { 5601 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5602 } 5603 } 5604 5605 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5606 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5607 if (ps == null) { 5608 return; 5609 } 5610 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5611 HashSet<String> origPermissions = gp.grantedPermissions; 5612 boolean changedPermission = false; 5613 5614 if (replace) { 5615 ps.permissionsFixed = false; 5616 if (gp == ps) { 5617 origPermissions = new HashSet<String>(gp.grantedPermissions); 5618 gp.grantedPermissions.clear(); 5619 gp.gids = mGlobalGids; 5620 } 5621 } 5622 5623 if (gp.gids == null) { 5624 gp.gids = mGlobalGids; 5625 } 5626 5627 final int N = pkg.requestedPermissions.size(); 5628 for (int i=0; i<N; i++) { 5629 final String name = pkg.requestedPermissions.get(i); 5630 final boolean required = pkg.requestedPermissionsRequired.get(i); 5631 final BasePermission bp = mSettings.mPermissions.get(name); 5632 if (DEBUG_INSTALL) { 5633 if (gp != ps) { 5634 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5635 } 5636 } 5637 5638 if (bp == null || bp.packageSetting == null) { 5639 Slog.w(TAG, "Unknown permission " + name 5640 + " in package " + pkg.packageName); 5641 continue; 5642 } 5643 5644 final String perm = bp.name; 5645 boolean allowed; 5646 boolean allowedSig = false; 5647 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5648 if (level == PermissionInfo.PROTECTION_NORMAL 5649 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5650 // We grant a normal or dangerous permission if any of the following 5651 // are true: 5652 // 1) The permission is required 5653 // 2) The permission is optional, but was granted in the past 5654 // 3) The permission is optional, but was requested by an 5655 // app in /system (not /data) 5656 // 5657 // Otherwise, reject the permission. 5658 allowed = (required || origPermissions.contains(perm) 5659 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5660 } else if (bp.packageSetting == null) { 5661 // This permission is invalid; skip it. 5662 allowed = false; 5663 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5664 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5665 if (allowed) { 5666 allowedSig = true; 5667 } 5668 } else { 5669 allowed = false; 5670 } 5671 if (DEBUG_INSTALL) { 5672 if (gp != ps) { 5673 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5674 } 5675 } 5676 if (allowed) { 5677 if (!isSystemApp(ps) && ps.permissionsFixed) { 5678 // If this is an existing, non-system package, then 5679 // we can't add any new permissions to it. 5680 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5681 // Except... if this is a permission that was added 5682 // to the platform (note: need to only do this when 5683 // updating the platform). 5684 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5685 } 5686 } 5687 if (allowed) { 5688 if (!gp.grantedPermissions.contains(perm)) { 5689 changedPermission = true; 5690 gp.grantedPermissions.add(perm); 5691 gp.gids = appendInts(gp.gids, bp.gids); 5692 } else if (!ps.haveGids) { 5693 gp.gids = appendInts(gp.gids, bp.gids); 5694 } 5695 } else { 5696 Slog.w(TAG, "Not granting permission " + perm 5697 + " to package " + pkg.packageName 5698 + " because it was previously installed without"); 5699 } 5700 } else { 5701 if (gp.grantedPermissions.remove(perm)) { 5702 changedPermission = true; 5703 gp.gids = removeInts(gp.gids, bp.gids); 5704 Slog.i(TAG, "Un-granting permission " + perm 5705 + " from package " + pkg.packageName 5706 + " (protectionLevel=" + bp.protectionLevel 5707 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5708 + ")"); 5709 } else { 5710 Slog.w(TAG, "Not granting permission " + perm 5711 + " to package " + pkg.packageName 5712 + " (protectionLevel=" + bp.protectionLevel 5713 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5714 + ")"); 5715 } 5716 } 5717 } 5718 5719 if ((changedPermission || replace) && !ps.permissionsFixed && 5720 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5721 // This is the first that we have heard about this package, so the 5722 // permissions we have now selected are fixed until explicitly 5723 // changed. 5724 ps.permissionsFixed = true; 5725 } 5726 ps.haveGids = true; 5727 } 5728 5729 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5730 boolean allowed = false; 5731 final int NP = PackageParser.NEW_PERMISSIONS.length; 5732 for (int ip=0; ip<NP; ip++) { 5733 final PackageParser.NewPermissionInfo npi 5734 = PackageParser.NEW_PERMISSIONS[ip]; 5735 if (npi.name.equals(perm) 5736 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5737 allowed = true; 5738 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5739 + pkg.packageName); 5740 break; 5741 } 5742 } 5743 return allowed; 5744 } 5745 5746 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5747 BasePermission bp, HashSet<String> origPermissions) { 5748 boolean allowed; 5749 allowed = (compareSignatures( 5750 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5751 == PackageManager.SIGNATURE_MATCH) 5752 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5753 == PackageManager.SIGNATURE_MATCH); 5754 if (!allowed && (bp.protectionLevel 5755 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5756 if (isSystemApp(pkg)) { 5757 // For updated system applications, a system permission 5758 // is granted only if it had been defined by the original application. 5759 if (isUpdatedSystemApp(pkg)) { 5760 final PackageSetting sysPs = mSettings 5761 .getDisabledSystemPkgLPr(pkg.packageName); 5762 final GrantedPermissions origGp = sysPs.sharedUser != null 5763 ? sysPs.sharedUser : sysPs; 5764 5765 if (origGp.grantedPermissions.contains(perm)) { 5766 // If the original was granted this permission, we take 5767 // that grant decision as read and propagate it to the 5768 // update. 5769 allowed = true; 5770 } else { 5771 // The system apk may have been updated with an older 5772 // version of the one on the data partition, but which 5773 // granted a new system permission that it didn't have 5774 // before. In this case we do want to allow the app to 5775 // now get the new permission if the ancestral apk is 5776 // privileged to get it. 5777 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5778 for (int j=0; 5779 j<sysPs.pkg.requestedPermissions.size(); j++) { 5780 if (perm.equals( 5781 sysPs.pkg.requestedPermissions.get(j))) { 5782 allowed = true; 5783 break; 5784 } 5785 } 5786 } 5787 } 5788 } else { 5789 allowed = isPrivilegedApp(pkg); 5790 } 5791 } 5792 } 5793 if (!allowed && (bp.protectionLevel 5794 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5795 // For development permissions, a development permission 5796 // is granted only if it was already granted. 5797 allowed = origPermissions.contains(perm); 5798 } 5799 return allowed; 5800 } 5801 5802 final class ActivityIntentResolver 5803 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5804 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5805 boolean defaultOnly, int userId) { 5806 if (!sUserManager.exists(userId)) return null; 5807 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5808 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5809 } 5810 5811 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5812 int userId) { 5813 if (!sUserManager.exists(userId)) return null; 5814 mFlags = flags; 5815 return super.queryIntent(intent, resolvedType, 5816 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5817 } 5818 5819 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5820 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5821 if (!sUserManager.exists(userId)) return null; 5822 if (packageActivities == null) { 5823 return null; 5824 } 5825 mFlags = flags; 5826 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5827 final int N = packageActivities.size(); 5828 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5829 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5830 5831 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5832 for (int i = 0; i < N; ++i) { 5833 intentFilters = packageActivities.get(i).intents; 5834 if (intentFilters != null && intentFilters.size() > 0) { 5835 PackageParser.ActivityIntentInfo[] array = 5836 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5837 intentFilters.toArray(array); 5838 listCut.add(array); 5839 } 5840 } 5841 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5842 } 5843 5844 public final void addActivity(PackageParser.Activity a, String type) { 5845 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5846 mActivities.put(a.getComponentName(), a); 5847 if (DEBUG_SHOW_INFO) 5848 Log.v( 5849 TAG, " " + type + " " + 5850 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5851 if (DEBUG_SHOW_INFO) 5852 Log.v(TAG, " Class=" + a.info.name); 5853 final int NI = a.intents.size(); 5854 for (int j=0; j<NI; j++) { 5855 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5856 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5857 intent.setPriority(0); 5858 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5859 + a.className + " with priority > 0, forcing to 0"); 5860 } 5861 if (DEBUG_SHOW_INFO) { 5862 Log.v(TAG, " IntentFilter:"); 5863 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5864 } 5865 if (!intent.debugCheck()) { 5866 Log.w(TAG, "==> For Activity " + a.info.name); 5867 } 5868 addFilter(intent); 5869 } 5870 } 5871 5872 public final void removeActivity(PackageParser.Activity a, String type) { 5873 mActivities.remove(a.getComponentName()); 5874 if (DEBUG_SHOW_INFO) { 5875 Log.v(TAG, " " + type + " " 5876 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5877 : a.info.name) + ":"); 5878 Log.v(TAG, " Class=" + a.info.name); 5879 } 5880 final int NI = a.intents.size(); 5881 for (int j=0; j<NI; j++) { 5882 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5883 if (DEBUG_SHOW_INFO) { 5884 Log.v(TAG, " IntentFilter:"); 5885 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5886 } 5887 removeFilter(intent); 5888 } 5889 } 5890 5891 @Override 5892 protected boolean allowFilterResult( 5893 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5894 ActivityInfo filterAi = filter.activity.info; 5895 for (int i=dest.size()-1; i>=0; i--) { 5896 ActivityInfo destAi = dest.get(i).activityInfo; 5897 if (destAi.name == filterAi.name 5898 && destAi.packageName == filterAi.packageName) { 5899 return false; 5900 } 5901 } 5902 return true; 5903 } 5904 5905 @Override 5906 protected ActivityIntentInfo[] newArray(int size) { 5907 return new ActivityIntentInfo[size]; 5908 } 5909 5910 @Override 5911 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5912 if (!sUserManager.exists(userId)) return true; 5913 PackageParser.Package p = filter.activity.owner; 5914 if (p != null) { 5915 PackageSetting ps = (PackageSetting)p.mExtras; 5916 if (ps != null) { 5917 // System apps are never considered stopped for purposes of 5918 // filtering, because there may be no way for the user to 5919 // actually re-launch them. 5920 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5921 && ps.getStopped(userId); 5922 } 5923 } 5924 return false; 5925 } 5926 5927 @Override 5928 protected boolean isPackageForFilter(String packageName, 5929 PackageParser.ActivityIntentInfo info) { 5930 return packageName.equals(info.activity.owner.packageName); 5931 } 5932 5933 @Override 5934 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5935 int match, int userId) { 5936 if (!sUserManager.exists(userId)) return null; 5937 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5938 return null; 5939 } 5940 final PackageParser.Activity activity = info.activity; 5941 if (mSafeMode && (activity.info.applicationInfo.flags 5942 &ApplicationInfo.FLAG_SYSTEM) == 0) { 5943 return null; 5944 } 5945 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 5946 if (ps == null) { 5947 return null; 5948 } 5949 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 5950 ps.readUserState(userId), userId); 5951 if (ai == null) { 5952 return null; 5953 } 5954 final ResolveInfo res = new ResolveInfo(); 5955 res.activityInfo = ai; 5956 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 5957 res.filter = info; 5958 } 5959 res.priority = info.getPriority(); 5960 res.preferredOrder = activity.owner.mPreferredOrder; 5961 //System.out.println("Result: " + res.activityInfo.className + 5962 // " = " + res.priority); 5963 res.match = match; 5964 res.isDefault = info.hasDefault; 5965 res.labelRes = info.labelRes; 5966 res.nonLocalizedLabel = info.nonLocalizedLabel; 5967 res.icon = info.icon; 5968 res.system = isSystemApp(res.activityInfo.applicationInfo); 5969 return res; 5970 } 5971 5972 @Override 5973 protected void sortResults(List<ResolveInfo> results) { 5974 Collections.sort(results, mResolvePrioritySorter); 5975 } 5976 5977 @Override 5978 protected void dumpFilter(PrintWriter out, String prefix, 5979 PackageParser.ActivityIntentInfo filter) { 5980 out.print(prefix); out.print( 5981 Integer.toHexString(System.identityHashCode(filter.activity))); 5982 out.print(' '); 5983 filter.activity.printComponentShortName(out); 5984 out.print(" filter "); 5985 out.println(Integer.toHexString(System.identityHashCode(filter))); 5986 } 5987 5988// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 5989// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 5990// final List<ResolveInfo> retList = Lists.newArrayList(); 5991// while (i.hasNext()) { 5992// final ResolveInfo resolveInfo = i.next(); 5993// if (isEnabledLP(resolveInfo.activityInfo)) { 5994// retList.add(resolveInfo); 5995// } 5996// } 5997// return retList; 5998// } 5999 6000 // Keys are String (activity class name), values are Activity. 6001 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6002 = new HashMap<ComponentName, PackageParser.Activity>(); 6003 private int mFlags; 6004 } 6005 6006 private final class ServiceIntentResolver 6007 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6008 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6009 boolean defaultOnly, int userId) { 6010 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6011 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6012 } 6013 6014 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6015 int userId) { 6016 if (!sUserManager.exists(userId)) return null; 6017 mFlags = flags; 6018 return super.queryIntent(intent, resolvedType, 6019 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6020 } 6021 6022 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6023 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6024 if (!sUserManager.exists(userId)) return null; 6025 if (packageServices == null) { 6026 return null; 6027 } 6028 mFlags = flags; 6029 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6030 final int N = packageServices.size(); 6031 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6032 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6033 6034 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6035 for (int i = 0; i < N; ++i) { 6036 intentFilters = packageServices.get(i).intents; 6037 if (intentFilters != null && intentFilters.size() > 0) { 6038 PackageParser.ServiceIntentInfo[] array = 6039 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6040 intentFilters.toArray(array); 6041 listCut.add(array); 6042 } 6043 } 6044 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6045 } 6046 6047 public final void addService(PackageParser.Service s) { 6048 mServices.put(s.getComponentName(), s); 6049 if (DEBUG_SHOW_INFO) { 6050 Log.v(TAG, " " 6051 + (s.info.nonLocalizedLabel != null 6052 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6053 Log.v(TAG, " Class=" + s.info.name); 6054 } 6055 final int NI = s.intents.size(); 6056 int j; 6057 for (j=0; j<NI; j++) { 6058 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6059 if (DEBUG_SHOW_INFO) { 6060 Log.v(TAG, " IntentFilter:"); 6061 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6062 } 6063 if (!intent.debugCheck()) { 6064 Log.w(TAG, "==> For Service " + s.info.name); 6065 } 6066 addFilter(intent); 6067 } 6068 } 6069 6070 public final void removeService(PackageParser.Service s) { 6071 mServices.remove(s.getComponentName()); 6072 if (DEBUG_SHOW_INFO) { 6073 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6074 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6075 Log.v(TAG, " Class=" + s.info.name); 6076 } 6077 final int NI = s.intents.size(); 6078 int j; 6079 for (j=0; j<NI; j++) { 6080 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6081 if (DEBUG_SHOW_INFO) { 6082 Log.v(TAG, " IntentFilter:"); 6083 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6084 } 6085 removeFilter(intent); 6086 } 6087 } 6088 6089 @Override 6090 protected boolean allowFilterResult( 6091 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6092 ServiceInfo filterSi = filter.service.info; 6093 for (int i=dest.size()-1; i>=0; i--) { 6094 ServiceInfo destAi = dest.get(i).serviceInfo; 6095 if (destAi.name == filterSi.name 6096 && destAi.packageName == filterSi.packageName) { 6097 return false; 6098 } 6099 } 6100 return true; 6101 } 6102 6103 @Override 6104 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6105 return new PackageParser.ServiceIntentInfo[size]; 6106 } 6107 6108 @Override 6109 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6110 if (!sUserManager.exists(userId)) return true; 6111 PackageParser.Package p = filter.service.owner; 6112 if (p != null) { 6113 PackageSetting ps = (PackageSetting)p.mExtras; 6114 if (ps != null) { 6115 // System apps are never considered stopped for purposes of 6116 // filtering, because there may be no way for the user to 6117 // actually re-launch them. 6118 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6119 && ps.getStopped(userId); 6120 } 6121 } 6122 return false; 6123 } 6124 6125 @Override 6126 protected boolean isPackageForFilter(String packageName, 6127 PackageParser.ServiceIntentInfo info) { 6128 return packageName.equals(info.service.owner.packageName); 6129 } 6130 6131 @Override 6132 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6133 int match, int userId) { 6134 if (!sUserManager.exists(userId)) return null; 6135 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6136 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6137 return null; 6138 } 6139 final PackageParser.Service service = info.service; 6140 if (mSafeMode && (service.info.applicationInfo.flags 6141 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6142 return null; 6143 } 6144 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6145 if (ps == null) { 6146 return null; 6147 } 6148 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6149 ps.readUserState(userId), userId); 6150 if (si == null) { 6151 return null; 6152 } 6153 final ResolveInfo res = new ResolveInfo(); 6154 res.serviceInfo = si; 6155 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6156 res.filter = filter; 6157 } 6158 res.priority = info.getPriority(); 6159 res.preferredOrder = service.owner.mPreferredOrder; 6160 //System.out.println("Result: " + res.activityInfo.className + 6161 // " = " + res.priority); 6162 res.match = match; 6163 res.isDefault = info.hasDefault; 6164 res.labelRes = info.labelRes; 6165 res.nonLocalizedLabel = info.nonLocalizedLabel; 6166 res.icon = info.icon; 6167 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6168 return res; 6169 } 6170 6171 @Override 6172 protected void sortResults(List<ResolveInfo> results) { 6173 Collections.sort(results, mResolvePrioritySorter); 6174 } 6175 6176 @Override 6177 protected void dumpFilter(PrintWriter out, String prefix, 6178 PackageParser.ServiceIntentInfo filter) { 6179 out.print(prefix); out.print( 6180 Integer.toHexString(System.identityHashCode(filter.service))); 6181 out.print(' '); 6182 filter.service.printComponentShortName(out); 6183 out.print(" filter "); 6184 out.println(Integer.toHexString(System.identityHashCode(filter))); 6185 } 6186 6187// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6188// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6189// final List<ResolveInfo> retList = Lists.newArrayList(); 6190// while (i.hasNext()) { 6191// final ResolveInfo resolveInfo = (ResolveInfo) i; 6192// if (isEnabledLP(resolveInfo.serviceInfo)) { 6193// retList.add(resolveInfo); 6194// } 6195// } 6196// return retList; 6197// } 6198 6199 // Keys are String (activity class name), values are Activity. 6200 private final HashMap<ComponentName, PackageParser.Service> mServices 6201 = new HashMap<ComponentName, PackageParser.Service>(); 6202 private int mFlags; 6203 }; 6204 6205 private final class ProviderIntentResolver 6206 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6207 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6208 boolean defaultOnly, int userId) { 6209 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6210 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6211 } 6212 6213 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6214 int userId) { 6215 if (!sUserManager.exists(userId)) 6216 return null; 6217 mFlags = flags; 6218 return super.queryIntent(intent, resolvedType, 6219 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6220 } 6221 6222 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6223 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6224 if (!sUserManager.exists(userId)) 6225 return null; 6226 if (packageProviders == null) { 6227 return null; 6228 } 6229 mFlags = flags; 6230 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6231 final int N = packageProviders.size(); 6232 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6233 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6234 6235 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6236 for (int i = 0; i < N; ++i) { 6237 intentFilters = packageProviders.get(i).intents; 6238 if (intentFilters != null && intentFilters.size() > 0) { 6239 PackageParser.ProviderIntentInfo[] array = 6240 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6241 intentFilters.toArray(array); 6242 listCut.add(array); 6243 } 6244 } 6245 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6246 } 6247 6248 public final void addProvider(PackageParser.Provider p) { 6249 mProviders.put(p.getComponentName(), p); 6250 if (DEBUG_SHOW_INFO) { 6251 Log.v(TAG, " " 6252 + (p.info.nonLocalizedLabel != null 6253 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6254 Log.v(TAG, " Class=" + p.info.name); 6255 } 6256 final int NI = p.intents.size(); 6257 int j; 6258 for (j = 0; j < NI; j++) { 6259 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6260 if (DEBUG_SHOW_INFO) { 6261 Log.v(TAG, " IntentFilter:"); 6262 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6263 } 6264 if (!intent.debugCheck()) { 6265 Log.w(TAG, "==> For Provider " + p.info.name); 6266 } 6267 addFilter(intent); 6268 } 6269 } 6270 6271 public final void removeProvider(PackageParser.Provider p) { 6272 mProviders.remove(p.getComponentName()); 6273 if (DEBUG_SHOW_INFO) { 6274 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6275 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6276 Log.v(TAG, " Class=" + p.info.name); 6277 } 6278 final int NI = p.intents.size(); 6279 int j; 6280 for (j = 0; j < NI; j++) { 6281 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6282 if (DEBUG_SHOW_INFO) { 6283 Log.v(TAG, " IntentFilter:"); 6284 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6285 } 6286 removeFilter(intent); 6287 } 6288 } 6289 6290 @Override 6291 protected boolean allowFilterResult( 6292 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6293 ProviderInfo filterPi = filter.provider.info; 6294 for (int i = dest.size() - 1; i >= 0; i--) { 6295 ProviderInfo destPi = dest.get(i).providerInfo; 6296 if (destPi.name == filterPi.name 6297 && destPi.packageName == filterPi.packageName) { 6298 return false; 6299 } 6300 } 6301 return true; 6302 } 6303 6304 @Override 6305 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6306 return new PackageParser.ProviderIntentInfo[size]; 6307 } 6308 6309 @Override 6310 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6311 if (!sUserManager.exists(userId)) 6312 return true; 6313 PackageParser.Package p = filter.provider.owner; 6314 if (p != null) { 6315 PackageSetting ps = (PackageSetting) p.mExtras; 6316 if (ps != null) { 6317 // System apps are never considered stopped for purposes of 6318 // filtering, because there may be no way for the user to 6319 // actually re-launch them. 6320 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6321 && ps.getStopped(userId); 6322 } 6323 } 6324 return false; 6325 } 6326 6327 @Override 6328 protected boolean isPackageForFilter(String packageName, 6329 PackageParser.ProviderIntentInfo info) { 6330 return packageName.equals(info.provider.owner.packageName); 6331 } 6332 6333 @Override 6334 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6335 int match, int userId) { 6336 if (!sUserManager.exists(userId)) 6337 return null; 6338 final PackageParser.ProviderIntentInfo info = filter; 6339 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6340 return null; 6341 } 6342 final PackageParser.Provider provider = info.provider; 6343 if (mSafeMode && (provider.info.applicationInfo.flags 6344 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6345 return null; 6346 } 6347 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6348 if (ps == null) { 6349 return null; 6350 } 6351 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6352 ps.readUserState(userId), userId); 6353 if (pi == null) { 6354 return null; 6355 } 6356 final ResolveInfo res = new ResolveInfo(); 6357 res.providerInfo = pi; 6358 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6359 res.filter = filter; 6360 } 6361 res.priority = info.getPriority(); 6362 res.preferredOrder = provider.owner.mPreferredOrder; 6363 res.match = match; 6364 res.isDefault = info.hasDefault; 6365 res.labelRes = info.labelRes; 6366 res.nonLocalizedLabel = info.nonLocalizedLabel; 6367 res.icon = info.icon; 6368 res.system = isSystemApp(res.providerInfo.applicationInfo); 6369 return res; 6370 } 6371 6372 @Override 6373 protected void sortResults(List<ResolveInfo> results) { 6374 Collections.sort(results, mResolvePrioritySorter); 6375 } 6376 6377 @Override 6378 protected void dumpFilter(PrintWriter out, String prefix, 6379 PackageParser.ProviderIntentInfo filter) { 6380 out.print(prefix); 6381 out.print( 6382 Integer.toHexString(System.identityHashCode(filter.provider))); 6383 out.print(' '); 6384 filter.provider.printComponentShortName(out); 6385 out.print(" filter "); 6386 out.println(Integer.toHexString(System.identityHashCode(filter))); 6387 } 6388 6389 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6390 = new HashMap<ComponentName, PackageParser.Provider>(); 6391 private int mFlags; 6392 }; 6393 6394 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6395 new Comparator<ResolveInfo>() { 6396 public int compare(ResolveInfo r1, ResolveInfo r2) { 6397 int v1 = r1.priority; 6398 int v2 = r2.priority; 6399 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6400 if (v1 != v2) { 6401 return (v1 > v2) ? -1 : 1; 6402 } 6403 v1 = r1.preferredOrder; 6404 v2 = r2.preferredOrder; 6405 if (v1 != v2) { 6406 return (v1 > v2) ? -1 : 1; 6407 } 6408 if (r1.isDefault != r2.isDefault) { 6409 return r1.isDefault ? -1 : 1; 6410 } 6411 v1 = r1.match; 6412 v2 = r2.match; 6413 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6414 if (v1 != v2) { 6415 return (v1 > v2) ? -1 : 1; 6416 } 6417 if (r1.system != r2.system) { 6418 return r1.system ? -1 : 1; 6419 } 6420 return 0; 6421 } 6422 }; 6423 6424 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6425 new Comparator<ProviderInfo>() { 6426 public int compare(ProviderInfo p1, ProviderInfo p2) { 6427 final int v1 = p1.initOrder; 6428 final int v2 = p2.initOrder; 6429 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6430 } 6431 }; 6432 6433 static final void sendPackageBroadcast(String action, String pkg, 6434 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6435 int[] userIds) { 6436 IActivityManager am = ActivityManagerNative.getDefault(); 6437 if (am != null) { 6438 try { 6439 if (userIds == null) { 6440 userIds = am.getRunningUserIds(); 6441 } 6442 for (int id : userIds) { 6443 final Intent intent = new Intent(action, 6444 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6445 if (extras != null) { 6446 intent.putExtras(extras); 6447 } 6448 if (targetPkg != null) { 6449 intent.setPackage(targetPkg); 6450 } 6451 // Modify the UID when posting to other users 6452 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6453 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6454 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6455 intent.putExtra(Intent.EXTRA_UID, uid); 6456 } 6457 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6458 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6459 if (DEBUG_BROADCASTS) { 6460 RuntimeException here = new RuntimeException("here"); 6461 here.fillInStackTrace(); 6462 Slog.d(TAG, "Sending to user " + id + ": " 6463 + intent.toShortString(false, true, false, false) 6464 + " " + intent.getExtras(), here); 6465 } 6466 am.broadcastIntent(null, intent, null, finishedReceiver, 6467 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6468 finishedReceiver != null, false, id); 6469 } 6470 } catch (RemoteException ex) { 6471 } 6472 } 6473 } 6474 6475 /** 6476 * Check if the external storage media is available. This is true if there 6477 * is a mounted external storage medium or if the external storage is 6478 * emulated. 6479 */ 6480 private boolean isExternalMediaAvailable() { 6481 return mMediaMounted || Environment.isExternalStorageEmulated(); 6482 } 6483 6484 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6485 // writer 6486 synchronized (mPackages) { 6487 if (!isExternalMediaAvailable()) { 6488 // If the external storage is no longer mounted at this point, 6489 // the caller may not have been able to delete all of this 6490 // packages files and can not delete any more. Bail. 6491 return null; 6492 } 6493 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6494 if (lastPackage != null) { 6495 pkgs.remove(lastPackage); 6496 } 6497 if (pkgs.size() > 0) { 6498 return pkgs.get(0); 6499 } 6500 } 6501 return null; 6502 } 6503 6504 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6505 if (false) { 6506 RuntimeException here = new RuntimeException("here"); 6507 here.fillInStackTrace(); 6508 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6509 + " andCode=" + andCode, here); 6510 } 6511 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6512 userId, andCode ? 1 : 0, packageName)); 6513 } 6514 6515 void startCleaningPackages() { 6516 // reader 6517 synchronized (mPackages) { 6518 if (!isExternalMediaAvailable()) { 6519 return; 6520 } 6521 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6522 return; 6523 } 6524 } 6525 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6526 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6527 IActivityManager am = ActivityManagerNative.getDefault(); 6528 if (am != null) { 6529 try { 6530 am.startService(null, intent, null, UserHandle.USER_OWNER); 6531 } catch (RemoteException e) { 6532 } 6533 } 6534 } 6535 6536 private final class AppDirObserver extends FileObserver { 6537 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6538 super(path, mask); 6539 mRootDir = path; 6540 mIsRom = isrom; 6541 mIsPrivileged = isPrivileged; 6542 } 6543 6544 public void onEvent(int event, String path) { 6545 String removedPackage = null; 6546 int removedAppId = -1; 6547 int[] removedUsers = null; 6548 String addedPackage = null; 6549 int addedAppId = -1; 6550 int[] addedUsers = null; 6551 6552 // TODO post a message to the handler to obtain serial ordering 6553 synchronized (mInstallLock) { 6554 String fullPathStr = null; 6555 File fullPath = null; 6556 if (path != null) { 6557 fullPath = new File(mRootDir, path); 6558 fullPathStr = fullPath.getPath(); 6559 } 6560 6561 if (DEBUG_APP_DIR_OBSERVER) 6562 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6563 6564 if (!isPackageFilename(path)) { 6565 if (DEBUG_APP_DIR_OBSERVER) 6566 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6567 return; 6568 } 6569 6570 // Ignore packages that are being installed or 6571 // have just been installed. 6572 if (ignoreCodePath(fullPathStr)) { 6573 return; 6574 } 6575 PackageParser.Package p = null; 6576 PackageSetting ps = null; 6577 // reader 6578 synchronized (mPackages) { 6579 p = mAppDirs.get(fullPathStr); 6580 if (p != null) { 6581 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6582 if (ps != null) { 6583 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6584 } else { 6585 removedUsers = sUserManager.getUserIds(); 6586 } 6587 } 6588 addedUsers = sUserManager.getUserIds(); 6589 } 6590 if ((event&REMOVE_EVENTS) != 0) { 6591 if (ps != null) { 6592 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6593 removePackageLI(ps, true); 6594 removedPackage = ps.name; 6595 removedAppId = ps.appId; 6596 } 6597 } 6598 6599 if ((event&ADD_EVENTS) != 0) { 6600 if (p == null) { 6601 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6602 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6603 if (mIsRom) { 6604 flags |= PackageParser.PARSE_IS_SYSTEM 6605 | PackageParser.PARSE_IS_SYSTEM_DIR; 6606 if (mIsPrivileged) { 6607 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6608 } 6609 } 6610 p = scanPackageLI(fullPath, flags, 6611 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6612 System.currentTimeMillis(), UserHandle.ALL); 6613 if (p != null) { 6614 /* 6615 * TODO this seems dangerous as the package may have 6616 * changed since we last acquired the mPackages 6617 * lock. 6618 */ 6619 // writer 6620 synchronized (mPackages) { 6621 updatePermissionsLPw(p.packageName, p, 6622 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6623 } 6624 addedPackage = p.applicationInfo.packageName; 6625 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6626 } 6627 } 6628 } 6629 6630 // reader 6631 synchronized (mPackages) { 6632 mSettings.writeLPr(); 6633 } 6634 } 6635 6636 if (removedPackage != null) { 6637 Bundle extras = new Bundle(1); 6638 extras.putInt(Intent.EXTRA_UID, removedAppId); 6639 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6640 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6641 extras, null, null, removedUsers); 6642 } 6643 if (addedPackage != null) { 6644 Bundle extras = new Bundle(1); 6645 extras.putInt(Intent.EXTRA_UID, addedAppId); 6646 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6647 extras, null, null, addedUsers); 6648 } 6649 } 6650 6651 private final String mRootDir; 6652 private final boolean mIsRom; 6653 private final boolean mIsPrivileged; 6654 } 6655 6656 /* Called when a downloaded package installation has been confirmed by the user */ 6657 public void installPackage( 6658 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6659 installPackage(packageURI, observer, flags, null); 6660 } 6661 6662 /* Called when a downloaded package installation has been confirmed by the user */ 6663 public void installPackage( 6664 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6665 final String installerPackageName) { 6666 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6667 null, null); 6668 } 6669 6670 @Override 6671 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6672 int flags, String installerPackageName, Uri verificationURI, 6673 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6674 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6675 VerificationParams.NO_UID, manifestDigest); 6676 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6677 installerPackageName, verificationParams, encryptionParams); 6678 } 6679 6680 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6681 IPackageInstallObserver observer, int flags, String installerPackageName, 6682 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6683 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6684 null); 6685 6686 final int uid = Binder.getCallingUid(); 6687 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6688 try { 6689 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6690 } catch (RemoteException re) { 6691 } 6692 return; 6693 } 6694 6695 UserHandle user; 6696 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6697 user = UserHandle.ALL; 6698 } else { 6699 user = new UserHandle(UserHandle.getUserId(uid)); 6700 } 6701 6702 final int filteredFlags; 6703 6704 if (uid == Process.SHELL_UID || uid == 0) { 6705 if (DEBUG_INSTALL) { 6706 Slog.v(TAG, "Install from ADB"); 6707 } 6708 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6709 } else { 6710 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6711 } 6712 6713 verificationParams.setInstallerUid(uid); 6714 6715 final Message msg = mHandler.obtainMessage(INIT_COPY); 6716 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6717 verificationParams, encryptionParams, user); 6718 mHandler.sendMessage(msg); 6719 } 6720 6721 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6722 Bundle extras = new Bundle(1); 6723 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6724 6725 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6726 packageName, extras, null, null, new int[] {userId}); 6727 try { 6728 IActivityManager am = ActivityManagerNative.getDefault(); 6729 final boolean isSystem = 6730 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6731 if (isSystem && am.isUserRunning(userId, false)) { 6732 // The just-installed/enabled app is bundled on the system, so presumed 6733 // to be able to run automatically without needing an explicit launch. 6734 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6735 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6736 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6737 .setPackage(packageName); 6738 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6739 android.app.AppOpsManager.OP_NONE, false, false, userId); 6740 } 6741 } catch (RemoteException e) { 6742 // shouldn't happen 6743 Slog.w(TAG, "Unable to bootstrap installed package", e); 6744 } 6745 } 6746 6747 @Override 6748 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6749 int userId) { 6750 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6751 PackageSetting pkgSetting; 6752 final int uid = Binder.getCallingUid(); 6753 if (UserHandle.getUserId(uid) != userId) { 6754 mContext.enforceCallingOrSelfPermission( 6755 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6756 "setApplicationBlockedSetting for user " + userId); 6757 } 6758 6759 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6760 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6761 return false; 6762 } 6763 6764 long callingId = Binder.clearCallingIdentity(); 6765 try { 6766 boolean sendAdded = false; 6767 boolean sendRemoved = false; 6768 // writer 6769 synchronized (mPackages) { 6770 pkgSetting = mSettings.mPackages.get(packageName); 6771 if (pkgSetting == null) { 6772 return false; 6773 } 6774 if (pkgSetting.getBlocked(userId) != blocked) { 6775 pkgSetting.setBlocked(blocked, userId); 6776 mSettings.writePackageRestrictionsLPr(userId); 6777 if (blocked) { 6778 sendRemoved = true; 6779 } else { 6780 sendAdded = true; 6781 } 6782 } 6783 } 6784 if (sendAdded) { 6785 sendPackageAddedForUser(packageName, pkgSetting, userId); 6786 return true; 6787 } 6788 if (sendRemoved) { 6789 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6790 "blocking pkg"); 6791 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6792 } 6793 } finally { 6794 Binder.restoreCallingIdentity(callingId); 6795 } 6796 return false; 6797 } 6798 6799 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6800 int userId) { 6801 final PackageRemovedInfo info = new PackageRemovedInfo(); 6802 info.removedPackage = packageName; 6803 info.removedUsers = new int[] {userId}; 6804 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6805 info.sendBroadcast(false, false, false); 6806 } 6807 6808 /** 6809 * Returns true if application is not found or there was an error. Otherwise it returns 6810 * the blocked state of the package for the given user. 6811 */ 6812 @Override 6813 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6814 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6815 PackageSetting pkgSetting; 6816 final int uid = Binder.getCallingUid(); 6817 if (UserHandle.getUserId(uid) != userId) { 6818 mContext.enforceCallingPermission( 6819 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6820 "getApplicationBlocked for user " + userId); 6821 } 6822 long callingId = Binder.clearCallingIdentity(); 6823 try { 6824 // writer 6825 synchronized (mPackages) { 6826 pkgSetting = mSettings.mPackages.get(packageName); 6827 if (pkgSetting == null) { 6828 return true; 6829 } 6830 return pkgSetting.getBlocked(userId); 6831 } 6832 } finally { 6833 Binder.restoreCallingIdentity(callingId); 6834 } 6835 } 6836 6837 /** 6838 * @hide 6839 */ 6840 @Override 6841 public int installExistingPackageAsUser(String packageName, int userId) { 6842 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6843 null); 6844 PackageSetting pkgSetting; 6845 final int uid = Binder.getCallingUid(); 6846 if (UserHandle.getUserId(uid) != userId) { 6847 mContext.enforceCallingPermission( 6848 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6849 "installExistingPackage for user " + userId); 6850 } 6851 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6852 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6853 } 6854 6855 long callingId = Binder.clearCallingIdentity(); 6856 try { 6857 boolean sendAdded = false; 6858 Bundle extras = new Bundle(1); 6859 6860 // writer 6861 synchronized (mPackages) { 6862 pkgSetting = mSettings.mPackages.get(packageName); 6863 if (pkgSetting == null) { 6864 return PackageManager.INSTALL_FAILED_INVALID_URI; 6865 } 6866 if (!pkgSetting.getInstalled(userId)) { 6867 pkgSetting.setInstalled(true, userId); 6868 pkgSetting.setBlocked(false, userId); 6869 mSettings.writePackageRestrictionsLPr(userId); 6870 sendAdded = true; 6871 } 6872 } 6873 6874 if (sendAdded) { 6875 sendPackageAddedForUser(packageName, pkgSetting, userId); 6876 } 6877 } finally { 6878 Binder.restoreCallingIdentity(callingId); 6879 } 6880 6881 return PackageManager.INSTALL_SUCCEEDED; 6882 } 6883 6884 private boolean isUserRestricted(int userId, String restrictionKey) { 6885 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6886 if (restrictions.getBoolean(restrictionKey, false)) { 6887 Log.w(TAG, "User is restricted: " + restrictionKey); 6888 return true; 6889 } 6890 return false; 6891 } 6892 6893 @Override 6894 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6895 mContext.enforceCallingOrSelfPermission( 6896 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6897 "Only package verification agents can verify applications"); 6898 6899 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6900 final PackageVerificationResponse response = new PackageVerificationResponse( 6901 verificationCode, Binder.getCallingUid()); 6902 msg.arg1 = id; 6903 msg.obj = response; 6904 mHandler.sendMessage(msg); 6905 } 6906 6907 @Override 6908 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6909 long millisecondsToDelay) { 6910 mContext.enforceCallingOrSelfPermission( 6911 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6912 "Only package verification agents can extend verification timeouts"); 6913 6914 final PackageVerificationState state = mPendingVerification.get(id); 6915 final PackageVerificationResponse response = new PackageVerificationResponse( 6916 verificationCodeAtTimeout, Binder.getCallingUid()); 6917 6918 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6919 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6920 } 6921 if (millisecondsToDelay < 0) { 6922 millisecondsToDelay = 0; 6923 } 6924 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6925 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6926 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6927 } 6928 6929 if ((state != null) && !state.timeoutExtended()) { 6930 state.extendTimeout(); 6931 6932 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6933 msg.arg1 = id; 6934 msg.obj = response; 6935 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 6936 } 6937 } 6938 6939 private void broadcastPackageVerified(int verificationId, Uri packageUri, 6940 int verificationCode, UserHandle user) { 6941 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 6942 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 6943 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 6944 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 6945 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 6946 6947 mContext.sendBroadcastAsUser(intent, user, 6948 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 6949 } 6950 6951 private ComponentName matchComponentForVerifier(String packageName, 6952 List<ResolveInfo> receivers) { 6953 ActivityInfo targetReceiver = null; 6954 6955 final int NR = receivers.size(); 6956 for (int i = 0; i < NR; i++) { 6957 final ResolveInfo info = receivers.get(i); 6958 if (info.activityInfo == null) { 6959 continue; 6960 } 6961 6962 if (packageName.equals(info.activityInfo.packageName)) { 6963 targetReceiver = info.activityInfo; 6964 break; 6965 } 6966 } 6967 6968 if (targetReceiver == null) { 6969 return null; 6970 } 6971 6972 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 6973 } 6974 6975 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 6976 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 6977 if (pkgInfo.verifiers.length == 0) { 6978 return null; 6979 } 6980 6981 final int N = pkgInfo.verifiers.length; 6982 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 6983 for (int i = 0; i < N; i++) { 6984 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 6985 6986 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 6987 receivers); 6988 if (comp == null) { 6989 continue; 6990 } 6991 6992 final int verifierUid = getUidForVerifier(verifierInfo); 6993 if (verifierUid == -1) { 6994 continue; 6995 } 6996 6997 if (DEBUG_VERIFY) { 6998 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 6999 + " with the correct signature"); 7000 } 7001 sufficientVerifiers.add(comp); 7002 verificationState.addSufficientVerifier(verifierUid); 7003 } 7004 7005 return sufficientVerifiers; 7006 } 7007 7008 private int getUidForVerifier(VerifierInfo verifierInfo) { 7009 synchronized (mPackages) { 7010 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7011 if (pkg == null) { 7012 return -1; 7013 } else if (pkg.mSignatures.length != 1) { 7014 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7015 + " has more than one signature; ignoring"); 7016 return -1; 7017 } 7018 7019 /* 7020 * If the public key of the package's signature does not match 7021 * our expected public key, then this is a different package and 7022 * we should skip. 7023 */ 7024 7025 final byte[] expectedPublicKey; 7026 try { 7027 final Signature verifierSig = pkg.mSignatures[0]; 7028 final PublicKey publicKey = verifierSig.getPublicKey(); 7029 expectedPublicKey = publicKey.getEncoded(); 7030 } catch (CertificateException e) { 7031 return -1; 7032 } 7033 7034 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7035 7036 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7037 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7038 + " does not have the expected public key; ignoring"); 7039 return -1; 7040 } 7041 7042 return pkg.applicationInfo.uid; 7043 } 7044 } 7045 7046 public void finishPackageInstall(int token) { 7047 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7048 7049 if (DEBUG_INSTALL) { 7050 Slog.v(TAG, "BM finishing package install for " + token); 7051 } 7052 7053 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7054 mHandler.sendMessage(msg); 7055 } 7056 7057 /** 7058 * Get the verification agent timeout. 7059 * 7060 * @return verification timeout in milliseconds 7061 */ 7062 private long getVerificationTimeout() { 7063 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7064 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7065 DEFAULT_VERIFICATION_TIMEOUT); 7066 } 7067 7068 /** 7069 * Get the default verification agent response code. 7070 * 7071 * @return default verification response code 7072 */ 7073 private int getDefaultVerificationResponse() { 7074 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7075 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7076 DEFAULT_VERIFICATION_RESPONSE); 7077 } 7078 7079 /** 7080 * Check whether or not package verification has been enabled. 7081 * 7082 * @return true if verification should be performed 7083 */ 7084 private boolean isVerificationEnabled(int flags) { 7085 if (!DEFAULT_VERIFY_ENABLE) { 7086 return false; 7087 } 7088 7089 // Check if installing from ADB 7090 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7091 // Do not run verification in a test harness environment 7092 if (ActivityManager.isRunningInTestHarness()) { 7093 return false; 7094 } 7095 // Check if the developer does not want package verification for ADB installs 7096 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7097 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7098 return false; 7099 } 7100 } 7101 7102 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7103 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7104 } 7105 7106 /** 7107 * Get the "allow unknown sources" setting. 7108 * 7109 * @return the current "allow unknown sources" setting 7110 */ 7111 private int getUnknownSourcesSettings() { 7112 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7113 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7114 -1); 7115 } 7116 7117 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7118 final int uid = Binder.getCallingUid(); 7119 // writer 7120 synchronized (mPackages) { 7121 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7122 if (targetPackageSetting == null) { 7123 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7124 } 7125 7126 PackageSetting installerPackageSetting; 7127 if (installerPackageName != null) { 7128 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7129 if (installerPackageSetting == null) { 7130 throw new IllegalArgumentException("Unknown installer package: " 7131 + installerPackageName); 7132 } 7133 } else { 7134 installerPackageSetting = null; 7135 } 7136 7137 Signature[] callerSignature; 7138 Object obj = mSettings.getUserIdLPr(uid); 7139 if (obj != null) { 7140 if (obj instanceof SharedUserSetting) { 7141 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7142 } else if (obj instanceof PackageSetting) { 7143 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7144 } else { 7145 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7146 } 7147 } else { 7148 throw new SecurityException("Unknown calling uid " + uid); 7149 } 7150 7151 // Verify: can't set installerPackageName to a package that is 7152 // not signed with the same cert as the caller. 7153 if (installerPackageSetting != null) { 7154 if (compareSignatures(callerSignature, 7155 installerPackageSetting.signatures.mSignatures) 7156 != PackageManager.SIGNATURE_MATCH) { 7157 throw new SecurityException( 7158 "Caller does not have same cert as new installer package " 7159 + installerPackageName); 7160 } 7161 } 7162 7163 // Verify: if target already has an installer package, it must 7164 // be signed with the same cert as the caller. 7165 if (targetPackageSetting.installerPackageName != null) { 7166 PackageSetting setting = mSettings.mPackages.get( 7167 targetPackageSetting.installerPackageName); 7168 // If the currently set package isn't valid, then it's always 7169 // okay to change it. 7170 if (setting != null) { 7171 if (compareSignatures(callerSignature, 7172 setting.signatures.mSignatures) 7173 != PackageManager.SIGNATURE_MATCH) { 7174 throw new SecurityException( 7175 "Caller does not have same cert as old installer package " 7176 + targetPackageSetting.installerPackageName); 7177 } 7178 } 7179 } 7180 7181 // Okay! 7182 targetPackageSetting.installerPackageName = installerPackageName; 7183 scheduleWriteSettingsLocked(); 7184 } 7185 } 7186 7187 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7188 // Queue up an async operation since the package installation may take a little while. 7189 mHandler.post(new Runnable() { 7190 public void run() { 7191 mHandler.removeCallbacks(this); 7192 // Result object to be returned 7193 PackageInstalledInfo res = new PackageInstalledInfo(); 7194 res.returnCode = currentStatus; 7195 res.uid = -1; 7196 res.pkg = null; 7197 res.removedInfo = new PackageRemovedInfo(); 7198 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7199 args.doPreInstall(res.returnCode); 7200 synchronized (mInstallLock) { 7201 installPackageLI(args, true, res); 7202 } 7203 args.doPostInstall(res.returnCode, res.uid); 7204 } 7205 7206 // A restore should be performed at this point if (a) the install 7207 // succeeded, (b) the operation is not an update, and (c) the new 7208 // package has a backupAgent defined. 7209 final boolean update = res.removedInfo.removedPackage != null; 7210 boolean doRestore = (!update 7211 && res.pkg != null 7212 && res.pkg.applicationInfo.backupAgentName != null); 7213 7214 // Set up the post-install work request bookkeeping. This will be used 7215 // and cleaned up by the post-install event handling regardless of whether 7216 // there's a restore pass performed. Token values are >= 1. 7217 int token; 7218 if (mNextInstallToken < 0) mNextInstallToken = 1; 7219 token = mNextInstallToken++; 7220 7221 PostInstallData data = new PostInstallData(args, res); 7222 mRunningInstalls.put(token, data); 7223 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7224 7225 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7226 // Pass responsibility to the Backup Manager. It will perform a 7227 // restore if appropriate, then pass responsibility back to the 7228 // Package Manager to run the post-install observer callbacks 7229 // and broadcasts. 7230 IBackupManager bm = IBackupManager.Stub.asInterface( 7231 ServiceManager.getService(Context.BACKUP_SERVICE)); 7232 if (bm != null) { 7233 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7234 + " to BM for possible restore"); 7235 try { 7236 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7237 } catch (RemoteException e) { 7238 // can't happen; the backup manager is local 7239 } catch (Exception e) { 7240 Slog.e(TAG, "Exception trying to enqueue restore", e); 7241 doRestore = false; 7242 } 7243 } else { 7244 Slog.e(TAG, "Backup Manager not found!"); 7245 doRestore = false; 7246 } 7247 } 7248 7249 if (!doRestore) { 7250 // No restore possible, or the Backup Manager was mysteriously not 7251 // available -- just fire the post-install work request directly. 7252 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7253 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7254 mHandler.sendMessage(msg); 7255 } 7256 } 7257 }); 7258 } 7259 7260 private abstract class HandlerParams { 7261 private static final int MAX_RETRIES = 4; 7262 7263 /** 7264 * Number of times startCopy() has been attempted and had a non-fatal 7265 * error. 7266 */ 7267 private int mRetries = 0; 7268 7269 /** User handle for the user requesting the information or installation. */ 7270 private final UserHandle mUser; 7271 7272 HandlerParams(UserHandle user) { 7273 mUser = user; 7274 } 7275 7276 UserHandle getUser() { 7277 return mUser; 7278 } 7279 7280 final boolean startCopy() { 7281 boolean res; 7282 try { 7283 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7284 7285 if (++mRetries > MAX_RETRIES) { 7286 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7287 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7288 handleServiceError(); 7289 return false; 7290 } else { 7291 handleStartCopy(); 7292 res = true; 7293 } 7294 } catch (RemoteException e) { 7295 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7296 mHandler.sendEmptyMessage(MCS_RECONNECT); 7297 res = false; 7298 } 7299 handleReturnCode(); 7300 return res; 7301 } 7302 7303 final void serviceError() { 7304 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7305 handleServiceError(); 7306 handleReturnCode(); 7307 } 7308 7309 abstract void handleStartCopy() throws RemoteException; 7310 abstract void handleServiceError(); 7311 abstract void handleReturnCode(); 7312 } 7313 7314 class MeasureParams extends HandlerParams { 7315 private final PackageStats mStats; 7316 private boolean mSuccess; 7317 7318 private final IPackageStatsObserver mObserver; 7319 7320 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7321 super(new UserHandle(stats.userHandle)); 7322 mObserver = observer; 7323 mStats = stats; 7324 } 7325 7326 @Override 7327 public String toString() { 7328 return "MeasureParams{" 7329 + Integer.toHexString(System.identityHashCode(this)) 7330 + " " + mStats.packageName + "}"; 7331 } 7332 7333 @Override 7334 void handleStartCopy() throws RemoteException { 7335 synchronized (mInstallLock) { 7336 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7337 } 7338 7339 final boolean mounted; 7340 if (Environment.isExternalStorageEmulated()) { 7341 mounted = true; 7342 } else { 7343 final String status = Environment.getExternalStorageState(); 7344 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7345 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7346 } 7347 7348 if (mounted) { 7349 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7350 7351 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7352 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7353 7354 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7355 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7356 7357 // Always subtract cache size, since it's a subdirectory 7358 mStats.externalDataSize -= mStats.externalCacheSize; 7359 7360 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7361 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7362 7363 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7364 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7365 } 7366 } 7367 7368 @Override 7369 void handleReturnCode() { 7370 if (mObserver != null) { 7371 try { 7372 mObserver.onGetStatsCompleted(mStats, mSuccess); 7373 } catch (RemoteException e) { 7374 Slog.i(TAG, "Observer no longer exists."); 7375 } 7376 } 7377 } 7378 7379 @Override 7380 void handleServiceError() { 7381 Slog.e(TAG, "Could not measure application " + mStats.packageName 7382 + " external storage"); 7383 } 7384 } 7385 7386 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7387 throws RemoteException { 7388 long result = 0; 7389 for (File path : paths) { 7390 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7391 } 7392 return result; 7393 } 7394 7395 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7396 for (File path : paths) { 7397 try { 7398 mcs.clearDirectory(path.getAbsolutePath()); 7399 } catch (RemoteException e) { 7400 } 7401 } 7402 } 7403 7404 class InstallParams extends HandlerParams { 7405 final IPackageInstallObserver observer; 7406 int flags; 7407 7408 private final Uri mPackageURI; 7409 final String installerPackageName; 7410 final VerificationParams verificationParams; 7411 private InstallArgs mArgs; 7412 private int mRet; 7413 private File mTempPackage; 7414 final ContainerEncryptionParams encryptionParams; 7415 7416 InstallParams(Uri packageURI, 7417 IPackageInstallObserver observer, int flags, 7418 String installerPackageName, VerificationParams verificationParams, 7419 ContainerEncryptionParams encryptionParams, UserHandle user) { 7420 super(user); 7421 this.mPackageURI = packageURI; 7422 this.flags = flags; 7423 this.observer = observer; 7424 this.installerPackageName = installerPackageName; 7425 this.verificationParams = verificationParams; 7426 this.encryptionParams = encryptionParams; 7427 } 7428 7429 @Override 7430 public String toString() { 7431 return "InstallParams{" 7432 + Integer.toHexString(System.identityHashCode(this)) 7433 + " " + mPackageURI + "}"; 7434 } 7435 7436 public ManifestDigest getManifestDigest() { 7437 if (verificationParams == null) { 7438 return null; 7439 } 7440 return verificationParams.getManifestDigest(); 7441 } 7442 7443 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7444 String packageName = pkgLite.packageName; 7445 int installLocation = pkgLite.installLocation; 7446 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7447 // reader 7448 synchronized (mPackages) { 7449 PackageParser.Package pkg = mPackages.get(packageName); 7450 if (pkg != null) { 7451 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7452 // Check for downgrading. 7453 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7454 if (pkgLite.versionCode < pkg.mVersionCode) { 7455 Slog.w(TAG, "Can't install update of " + packageName 7456 + " update version " + pkgLite.versionCode 7457 + " is older than installed version " 7458 + pkg.mVersionCode); 7459 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7460 } 7461 } 7462 // Check for updated system application. 7463 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7464 if (onSd) { 7465 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7466 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7467 } 7468 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7469 } else { 7470 if (onSd) { 7471 // Install flag overrides everything. 7472 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7473 } 7474 // If current upgrade specifies particular preference 7475 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7476 // Application explicitly specified internal. 7477 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7478 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7479 // App explictly prefers external. Let policy decide 7480 } else { 7481 // Prefer previous location 7482 if (isExternal(pkg)) { 7483 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7484 } 7485 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7486 } 7487 } 7488 } else { 7489 // Invalid install. Return error code 7490 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7491 } 7492 } 7493 } 7494 // All the special cases have been taken care of. 7495 // Return result based on recommended install location. 7496 if (onSd) { 7497 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7498 } 7499 return pkgLite.recommendedInstallLocation; 7500 } 7501 7502 private long getMemoryLowThreshold() { 7503 final DeviceStorageMonitorInternal 7504 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7505 if (dsm == null) { 7506 return 0L; 7507 } 7508 return dsm.getMemoryLowThreshold(); 7509 } 7510 7511 /* 7512 * Invoke remote method to get package information and install 7513 * location values. Override install location based on default 7514 * policy if needed and then create install arguments based 7515 * on the install location. 7516 */ 7517 public void handleStartCopy() throws RemoteException { 7518 int ret = PackageManager.INSTALL_SUCCEEDED; 7519 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7520 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7521 PackageInfoLite pkgLite = null; 7522 7523 if (onInt && onSd) { 7524 // Check if both bits are set. 7525 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7526 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7527 } else { 7528 final long lowThreshold = getMemoryLowThreshold(); 7529 if (lowThreshold == 0L) { 7530 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7531 } 7532 7533 try { 7534 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7535 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7536 7537 final File packageFile; 7538 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7539 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7540 if (mTempPackage != null) { 7541 ParcelFileDescriptor out; 7542 try { 7543 out = ParcelFileDescriptor.open(mTempPackage, 7544 ParcelFileDescriptor.MODE_READ_WRITE); 7545 } catch (FileNotFoundException e) { 7546 out = null; 7547 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7548 } 7549 7550 // Make a temporary file for decryption. 7551 ret = mContainerService 7552 .copyResource(mPackageURI, encryptionParams, out); 7553 IoUtils.closeQuietly(out); 7554 7555 packageFile = mTempPackage; 7556 7557 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7558 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7559 | FileUtils.S_IROTH, 7560 -1, -1); 7561 } else { 7562 packageFile = null; 7563 } 7564 } else { 7565 packageFile = new File(mPackageURI.getPath()); 7566 } 7567 7568 if (packageFile != null) { 7569 // Remote call to find out default install location 7570 final String packageFilePath = packageFile.getAbsolutePath(); 7571 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7572 lowThreshold); 7573 7574 /* 7575 * If we have too little free space, try to free cache 7576 * before giving up. 7577 */ 7578 if (pkgLite.recommendedInstallLocation 7579 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7580 final long size = mContainerService.calculateInstalledSize( 7581 packageFilePath, isForwardLocked()); 7582 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7583 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7584 flags, lowThreshold); 7585 } 7586 /* 7587 * The cache free must have deleted the file we 7588 * downloaded to install. 7589 * 7590 * TODO: fix the "freeCache" call to not delete 7591 * the file we care about. 7592 */ 7593 if (pkgLite.recommendedInstallLocation 7594 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7595 pkgLite.recommendedInstallLocation 7596 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7597 } 7598 } 7599 } 7600 } finally { 7601 mContext.revokeUriPermission(mPackageURI, 7602 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7603 } 7604 } 7605 7606 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7607 int loc = pkgLite.recommendedInstallLocation; 7608 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7609 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7610 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7611 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7612 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7613 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7614 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7615 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7616 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7617 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7618 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7619 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7620 } else { 7621 // Override with defaults if needed. 7622 loc = installLocationPolicy(pkgLite, flags); 7623 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7624 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7625 } else if (!onSd && !onInt) { 7626 // Override install location with flags 7627 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7628 // Set the flag to install on external media. 7629 flags |= PackageManager.INSTALL_EXTERNAL; 7630 flags &= ~PackageManager.INSTALL_INTERNAL; 7631 } else { 7632 // Make sure the flag for installing on external 7633 // media is unset 7634 flags |= PackageManager.INSTALL_INTERNAL; 7635 flags &= ~PackageManager.INSTALL_EXTERNAL; 7636 } 7637 } 7638 } 7639 } 7640 7641 final InstallArgs args = createInstallArgs(this); 7642 mArgs = args; 7643 7644 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7645 /* 7646 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7647 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7648 */ 7649 int userIdentifier = getUser().getIdentifier(); 7650 if (userIdentifier == UserHandle.USER_ALL 7651 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7652 userIdentifier = UserHandle.USER_OWNER; 7653 } 7654 7655 /* 7656 * Determine if we have any installed package verifiers. If we 7657 * do, then we'll defer to them to verify the packages. 7658 */ 7659 final int requiredUid = mRequiredVerifierPackage == null ? -1 7660 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7661 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7662 final Intent verification = new Intent( 7663 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7664 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7665 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7666 7667 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7668 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7669 0 /* TODO: Which userId? */); 7670 7671 if (DEBUG_VERIFY) { 7672 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7673 + verification.toString() + " with " + pkgLite.verifiers.length 7674 + " optional verifiers"); 7675 } 7676 7677 final int verificationId = mPendingVerificationToken++; 7678 7679 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7680 7681 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7682 installerPackageName); 7683 7684 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7685 7686 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7687 pkgLite.packageName); 7688 7689 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7690 pkgLite.versionCode); 7691 7692 if (verificationParams != null) { 7693 if (verificationParams.getVerificationURI() != null) { 7694 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7695 verificationParams.getVerificationURI()); 7696 } 7697 if (verificationParams.getOriginatingURI() != null) { 7698 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7699 verificationParams.getOriginatingURI()); 7700 } 7701 if (verificationParams.getReferrer() != null) { 7702 verification.putExtra(Intent.EXTRA_REFERRER, 7703 verificationParams.getReferrer()); 7704 } 7705 if (verificationParams.getOriginatingUid() >= 0) { 7706 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7707 verificationParams.getOriginatingUid()); 7708 } 7709 if (verificationParams.getInstallerUid() >= 0) { 7710 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7711 verificationParams.getInstallerUid()); 7712 } 7713 } 7714 7715 final PackageVerificationState verificationState = new PackageVerificationState( 7716 requiredUid, args); 7717 7718 mPendingVerification.append(verificationId, verificationState); 7719 7720 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7721 receivers, verificationState); 7722 7723 /* 7724 * If any sufficient verifiers were listed in the package 7725 * manifest, attempt to ask them. 7726 */ 7727 if (sufficientVerifiers != null) { 7728 final int N = sufficientVerifiers.size(); 7729 if (N == 0) { 7730 Slog.i(TAG, "Additional verifiers required, but none installed."); 7731 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7732 } else { 7733 for (int i = 0; i < N; i++) { 7734 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7735 7736 final Intent sufficientIntent = new Intent(verification); 7737 sufficientIntent.setComponent(verifierComponent); 7738 7739 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7740 } 7741 } 7742 } 7743 7744 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7745 mRequiredVerifierPackage, receivers); 7746 if (ret == PackageManager.INSTALL_SUCCEEDED 7747 && mRequiredVerifierPackage != null) { 7748 /* 7749 * Send the intent to the required verification agent, 7750 * but only start the verification timeout after the 7751 * target BroadcastReceivers have run. 7752 */ 7753 verification.setComponent(requiredVerifierComponent); 7754 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7755 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7756 new BroadcastReceiver() { 7757 @Override 7758 public void onReceive(Context context, Intent intent) { 7759 final Message msg = mHandler 7760 .obtainMessage(CHECK_PENDING_VERIFICATION); 7761 msg.arg1 = verificationId; 7762 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7763 } 7764 }, null, 0, null, null); 7765 7766 /* 7767 * We don't want the copy to proceed until verification 7768 * succeeds, so null out this field. 7769 */ 7770 mArgs = null; 7771 } 7772 } else { 7773 /* 7774 * No package verification is enabled, so immediately start 7775 * the remote call to initiate copy using temporary file. 7776 */ 7777 ret = args.copyApk(mContainerService, true); 7778 } 7779 } 7780 7781 mRet = ret; 7782 } 7783 7784 @Override 7785 void handleReturnCode() { 7786 // If mArgs is null, then MCS couldn't be reached. When it 7787 // reconnects, it will try again to install. At that point, this 7788 // will succeed. 7789 if (mArgs != null) { 7790 processPendingInstall(mArgs, mRet); 7791 7792 if (mTempPackage != null) { 7793 if (!mTempPackage.delete()) { 7794 Slog.w(TAG, "Couldn't delete temporary file: " + 7795 mTempPackage.getAbsolutePath()); 7796 } 7797 } 7798 } 7799 } 7800 7801 @Override 7802 void handleServiceError() { 7803 mArgs = createInstallArgs(this); 7804 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7805 } 7806 7807 public boolean isForwardLocked() { 7808 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7809 } 7810 7811 public Uri getPackageUri() { 7812 if (mTempPackage != null) { 7813 return Uri.fromFile(mTempPackage); 7814 } else { 7815 return mPackageURI; 7816 } 7817 } 7818 } 7819 7820 /* 7821 * Utility class used in movePackage api. 7822 * srcArgs and targetArgs are not set for invalid flags and make 7823 * sure to do null checks when invoking methods on them. 7824 * We probably want to return ErrorPrams for both failed installs 7825 * and moves. 7826 */ 7827 class MoveParams extends HandlerParams { 7828 final IPackageMoveObserver observer; 7829 final int flags; 7830 final String packageName; 7831 final InstallArgs srcArgs; 7832 final InstallArgs targetArgs; 7833 int uid; 7834 int mRet; 7835 7836 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7837 String packageName, String dataDir, int uid, UserHandle user) { 7838 super(user); 7839 this.srcArgs = srcArgs; 7840 this.observer = observer; 7841 this.flags = flags; 7842 this.packageName = packageName; 7843 this.uid = uid; 7844 if (srcArgs != null) { 7845 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7846 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7847 } else { 7848 targetArgs = null; 7849 } 7850 } 7851 7852 @Override 7853 public String toString() { 7854 return "MoveParams{" 7855 + Integer.toHexString(System.identityHashCode(this)) 7856 + " " + packageName + "}"; 7857 } 7858 7859 public void handleStartCopy() throws RemoteException { 7860 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7861 // Check for storage space on target medium 7862 if (!targetArgs.checkFreeStorage(mContainerService)) { 7863 Log.w(TAG, "Insufficient storage to install"); 7864 return; 7865 } 7866 7867 mRet = srcArgs.doPreCopy(); 7868 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7869 return; 7870 } 7871 7872 mRet = targetArgs.copyApk(mContainerService, false); 7873 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7874 srcArgs.doPostCopy(uid); 7875 return; 7876 } 7877 7878 mRet = srcArgs.doPostCopy(uid); 7879 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7880 return; 7881 } 7882 7883 mRet = targetArgs.doPreInstall(mRet); 7884 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7885 return; 7886 } 7887 7888 if (DEBUG_SD_INSTALL) { 7889 StringBuilder builder = new StringBuilder(); 7890 if (srcArgs != null) { 7891 builder.append("src: "); 7892 builder.append(srcArgs.getCodePath()); 7893 } 7894 if (targetArgs != null) { 7895 builder.append(" target : "); 7896 builder.append(targetArgs.getCodePath()); 7897 } 7898 Log.i(TAG, builder.toString()); 7899 } 7900 } 7901 7902 @Override 7903 void handleReturnCode() { 7904 targetArgs.doPostInstall(mRet, uid); 7905 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7906 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7907 currentStatus = PackageManager.MOVE_SUCCEEDED; 7908 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7909 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7910 } 7911 processPendingMove(this, currentStatus); 7912 } 7913 7914 @Override 7915 void handleServiceError() { 7916 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7917 } 7918 } 7919 7920 /** 7921 * Used during creation of InstallArgs 7922 * 7923 * @param flags package installation flags 7924 * @return true if should be installed on external storage 7925 */ 7926 private static boolean installOnSd(int flags) { 7927 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7928 return false; 7929 } 7930 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7931 return true; 7932 } 7933 return false; 7934 } 7935 7936 /** 7937 * Used during creation of InstallArgs 7938 * 7939 * @param flags package installation flags 7940 * @return true if should be installed as forward locked 7941 */ 7942 private static boolean installForwardLocked(int flags) { 7943 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7944 } 7945 7946 private InstallArgs createInstallArgs(InstallParams params) { 7947 if (installOnSd(params.flags) || params.isForwardLocked()) { 7948 return new AsecInstallArgs(params); 7949 } else { 7950 return new FileInstallArgs(params); 7951 } 7952 } 7953 7954 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 7955 String nativeLibraryPath) { 7956 final boolean isInAsec; 7957 if (installOnSd(flags)) { 7958 /* Apps on SD card are always in ASEC containers. */ 7959 isInAsec = true; 7960 } else if (installForwardLocked(flags) 7961 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 7962 /* 7963 * Forward-locked apps are only in ASEC containers if they're the 7964 * new style 7965 */ 7966 isInAsec = true; 7967 } else { 7968 isInAsec = false; 7969 } 7970 7971 if (isInAsec) { 7972 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 7973 installOnSd(flags), installForwardLocked(flags)); 7974 } else { 7975 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 7976 } 7977 } 7978 7979 // Used by package mover 7980 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 7981 if (installOnSd(flags) || installForwardLocked(flags)) { 7982 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 7983 + AsecInstallArgs.RES_FILE_NAME); 7984 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 7985 installForwardLocked(flags)); 7986 } else { 7987 return new FileInstallArgs(packageURI, pkgName, dataDir); 7988 } 7989 } 7990 7991 static abstract class InstallArgs { 7992 final IPackageInstallObserver observer; 7993 // Always refers to PackageManager flags only 7994 final int flags; 7995 final Uri packageURI; 7996 final String installerPackageName; 7997 final ManifestDigest manifestDigest; 7998 final UserHandle user; 7999 8000 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8001 String installerPackageName, ManifestDigest manifestDigest, 8002 UserHandle user) { 8003 this.packageURI = packageURI; 8004 this.flags = flags; 8005 this.observer = observer; 8006 this.installerPackageName = installerPackageName; 8007 this.manifestDigest = manifestDigest; 8008 this.user = user; 8009 } 8010 8011 abstract void createCopyFile(); 8012 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8013 abstract int doPreInstall(int status); 8014 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8015 8016 abstract int doPostInstall(int status, int uid); 8017 abstract String getCodePath(); 8018 abstract String getResourcePath(); 8019 abstract String getNativeLibraryPath(); 8020 // Need installer lock especially for dex file removal. 8021 abstract void cleanUpResourcesLI(); 8022 abstract boolean doPostDeleteLI(boolean delete); 8023 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8024 8025 /** 8026 * Called before the source arguments are copied. This is used mostly 8027 * for MoveParams when it needs to read the source file to put it in the 8028 * destination. 8029 */ 8030 int doPreCopy() { 8031 return PackageManager.INSTALL_SUCCEEDED; 8032 } 8033 8034 /** 8035 * Called after the source arguments are copied. This is used mostly for 8036 * MoveParams when it needs to read the source file to put it in the 8037 * destination. 8038 * 8039 * @return 8040 */ 8041 int doPostCopy(int uid) { 8042 return PackageManager.INSTALL_SUCCEEDED; 8043 } 8044 8045 protected boolean isFwdLocked() { 8046 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8047 } 8048 8049 UserHandle getUser() { 8050 return user; 8051 } 8052 } 8053 8054 class FileInstallArgs extends InstallArgs { 8055 File installDir; 8056 String codeFileName; 8057 String resourceFileName; 8058 String libraryPath; 8059 boolean created = false; 8060 8061 FileInstallArgs(InstallParams params) { 8062 super(params.getPackageUri(), params.observer, params.flags, 8063 params.installerPackageName, params.getManifestDigest(), 8064 params.getUser()); 8065 } 8066 8067 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8068 super(null, null, 0, null, null, null); 8069 File codeFile = new File(fullCodePath); 8070 installDir = codeFile.getParentFile(); 8071 codeFileName = fullCodePath; 8072 resourceFileName = fullResourcePath; 8073 libraryPath = nativeLibraryPath; 8074 } 8075 8076 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8077 super(packageURI, null, 0, null, null, null); 8078 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8079 String apkName = getNextCodePath(null, pkgName, ".apk"); 8080 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8081 resourceFileName = getResourcePathFromCodePath(); 8082 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8083 } 8084 8085 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8086 final long lowThreshold; 8087 8088 final DeviceStorageMonitorInternal 8089 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8090 if (dsm == null) { 8091 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8092 lowThreshold = 0L; 8093 } else { 8094 if (dsm.isMemoryLow()) { 8095 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8096 return false; 8097 } 8098 8099 lowThreshold = dsm.getMemoryLowThreshold(); 8100 } 8101 8102 try { 8103 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8104 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8105 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8106 } finally { 8107 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8108 } 8109 } 8110 8111 String getCodePath() { 8112 return codeFileName; 8113 } 8114 8115 void createCopyFile() { 8116 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8117 codeFileName = createTempPackageFile(installDir).getPath(); 8118 resourceFileName = getResourcePathFromCodePath(); 8119 libraryPath = getLibraryPathFromCodePath(); 8120 created = true; 8121 } 8122 8123 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8124 if (temp) { 8125 // Generate temp file name 8126 createCopyFile(); 8127 } 8128 // Get a ParcelFileDescriptor to write to the output file 8129 File codeFile = new File(codeFileName); 8130 if (!created) { 8131 try { 8132 codeFile.createNewFile(); 8133 // Set permissions 8134 if (!setPermissions()) { 8135 // Failed setting permissions. 8136 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8137 } 8138 } catch (IOException e) { 8139 Slog.w(TAG, "Failed to create file " + codeFile); 8140 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8141 } 8142 } 8143 ParcelFileDescriptor out = null; 8144 try { 8145 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8146 } catch (FileNotFoundException e) { 8147 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8148 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8149 } 8150 // Copy the resource now 8151 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8152 try { 8153 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8154 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8155 ret = imcs.copyResource(packageURI, null, out); 8156 } finally { 8157 IoUtils.closeQuietly(out); 8158 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8159 } 8160 8161 if (isFwdLocked()) { 8162 final File destResourceFile = new File(getResourcePath()); 8163 8164 // Copy the public files 8165 try { 8166 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8167 } catch (IOException e) { 8168 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8169 + " forward-locked app."); 8170 destResourceFile.delete(); 8171 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8172 } 8173 } 8174 8175 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8176 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8177 if (nativeLibraryFile.exists()) { 8178 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8179 nativeLibraryFile.delete(); 8180 } 8181 try { 8182 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8183 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8184 return copyRet; 8185 } 8186 } catch (IOException e) { 8187 Slog.e(TAG, "Copying native libraries failed", e); 8188 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8189 } 8190 8191 return ret; 8192 } 8193 8194 int doPreInstall(int status) { 8195 if (status != PackageManager.INSTALL_SUCCEEDED) { 8196 cleanUp(); 8197 } 8198 return status; 8199 } 8200 8201 boolean doRename(int status, final String pkgName, String oldCodePath) { 8202 if (status != PackageManager.INSTALL_SUCCEEDED) { 8203 cleanUp(); 8204 return false; 8205 } else { 8206 final File oldCodeFile = new File(getCodePath()); 8207 final File oldResourceFile = new File(getResourcePath()); 8208 final File oldLibraryFile = new File(getNativeLibraryPath()); 8209 8210 // Rename APK file based on packageName 8211 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8212 final File newCodeFile = new File(installDir, apkName + ".apk"); 8213 if (!oldCodeFile.renameTo(newCodeFile)) { 8214 return false; 8215 } 8216 codeFileName = newCodeFile.getPath(); 8217 8218 // Rename public resource file if it's forward-locked. 8219 final File newResFile = new File(getResourcePathFromCodePath()); 8220 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8221 return false; 8222 } 8223 resourceFileName = newResFile.getPath(); 8224 8225 // Rename library path 8226 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8227 if (newLibraryFile.exists()) { 8228 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8229 newLibraryFile.delete(); 8230 } 8231 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8232 Slog.e(TAG, "Cannot rename native library directory " 8233 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8234 return false; 8235 } 8236 libraryPath = newLibraryFile.getPath(); 8237 8238 // Attempt to set permissions 8239 if (!setPermissions()) { 8240 return false; 8241 } 8242 8243 if (!SELinux.restorecon(newCodeFile)) { 8244 return false; 8245 } 8246 8247 return true; 8248 } 8249 } 8250 8251 int doPostInstall(int status, int uid) { 8252 if (status != PackageManager.INSTALL_SUCCEEDED) { 8253 cleanUp(); 8254 } 8255 return status; 8256 } 8257 8258 String getResourcePath() { 8259 return resourceFileName; 8260 } 8261 8262 private String getResourcePathFromCodePath() { 8263 final String codePath = getCodePath(); 8264 if (isFwdLocked()) { 8265 final StringBuilder sb = new StringBuilder(); 8266 8267 sb.append(mAppInstallDir.getPath()); 8268 sb.append('/'); 8269 sb.append(getApkName(codePath)); 8270 sb.append(".zip"); 8271 8272 /* 8273 * If our APK is a temporary file, mark the resource as a 8274 * temporary file as well so it can be cleaned up after 8275 * catastrophic failure. 8276 */ 8277 if (codePath.endsWith(".tmp")) { 8278 sb.append(".tmp"); 8279 } 8280 8281 return sb.toString(); 8282 } else { 8283 return codePath; 8284 } 8285 } 8286 8287 private String getLibraryPathFromCodePath() { 8288 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8289 } 8290 8291 @Override 8292 String getNativeLibraryPath() { 8293 if (libraryPath == null) { 8294 libraryPath = getLibraryPathFromCodePath(); 8295 } 8296 return libraryPath; 8297 } 8298 8299 private boolean cleanUp() { 8300 boolean ret = true; 8301 String sourceDir = getCodePath(); 8302 String publicSourceDir = getResourcePath(); 8303 if (sourceDir != null) { 8304 File sourceFile = new File(sourceDir); 8305 if (!sourceFile.exists()) { 8306 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8307 ret = false; 8308 } 8309 // Delete application's code and resources 8310 sourceFile.delete(); 8311 } 8312 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8313 final File publicSourceFile = new File(publicSourceDir); 8314 if (!publicSourceFile.exists()) { 8315 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8316 } 8317 if (publicSourceFile.exists()) { 8318 publicSourceFile.delete(); 8319 } 8320 } 8321 8322 if (libraryPath != null) { 8323 File nativeLibraryFile = new File(libraryPath); 8324 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8325 if (!nativeLibraryFile.delete()) { 8326 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8327 } 8328 } 8329 8330 return ret; 8331 } 8332 8333 void cleanUpResourcesLI() { 8334 String sourceDir = getCodePath(); 8335 if (cleanUp()) { 8336 int retCode = mInstaller.rmdex(sourceDir); 8337 if (retCode < 0) { 8338 Slog.w(TAG, "Couldn't remove dex file for package: " 8339 + " at location " 8340 + sourceDir + ", retcode=" + retCode); 8341 // we don't consider this to be a failure of the core package deletion 8342 } 8343 } 8344 } 8345 8346 private boolean setPermissions() { 8347 // TODO Do this in a more elegant way later on. for now just a hack 8348 if (!isFwdLocked()) { 8349 final int filePermissions = 8350 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8351 |FileUtils.S_IROTH; 8352 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8353 if (retCode != 0) { 8354 Slog.e(TAG, "Couldn't set new package file permissions for " + 8355 getCodePath() 8356 + ". The return code was: " + retCode); 8357 // TODO Define new internal error 8358 return false; 8359 } 8360 return true; 8361 } 8362 return true; 8363 } 8364 8365 boolean doPostDeleteLI(boolean delete) { 8366 // XXX err, shouldn't we respect the delete flag? 8367 cleanUpResourcesLI(); 8368 return true; 8369 } 8370 } 8371 8372 private boolean isAsecExternal(String cid) { 8373 final String asecPath = PackageHelper.getSdFilesystem(cid); 8374 return !asecPath.startsWith(mAsecInternalPath); 8375 } 8376 8377 /** 8378 * Extract the MountService "container ID" from the full code path of an 8379 * .apk. 8380 */ 8381 static String cidFromCodePath(String fullCodePath) { 8382 int eidx = fullCodePath.lastIndexOf("/"); 8383 String subStr1 = fullCodePath.substring(0, eidx); 8384 int sidx = subStr1.lastIndexOf("/"); 8385 return subStr1.substring(sidx+1, eidx); 8386 } 8387 8388 class AsecInstallArgs extends InstallArgs { 8389 static final String RES_FILE_NAME = "pkg.apk"; 8390 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8391 8392 String cid; 8393 String packagePath; 8394 String resourcePath; 8395 String libraryPath; 8396 8397 AsecInstallArgs(InstallParams params) { 8398 super(params.getPackageUri(), params.observer, params.flags, 8399 params.installerPackageName, params.getManifestDigest(), 8400 params.getUser()); 8401 } 8402 8403 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8404 boolean isExternal, boolean isForwardLocked) { 8405 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8406 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8407 null, null, null); 8408 // Extract cid from fullCodePath 8409 int eidx = fullCodePath.lastIndexOf("/"); 8410 String subStr1 = fullCodePath.substring(0, eidx); 8411 int sidx = subStr1.lastIndexOf("/"); 8412 cid = subStr1.substring(sidx+1, eidx); 8413 setCachePath(subStr1); 8414 } 8415 8416 AsecInstallArgs(String cid, boolean isForwardLocked) { 8417 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8418 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8419 null, null, null); 8420 this.cid = cid; 8421 setCachePath(PackageHelper.getSdDir(cid)); 8422 } 8423 8424 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8425 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8426 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8427 null, null, null); 8428 this.cid = cid; 8429 } 8430 8431 void createCopyFile() { 8432 cid = getTempContainerId(); 8433 } 8434 8435 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8436 try { 8437 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8438 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8439 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8440 } finally { 8441 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8442 } 8443 } 8444 8445 private final boolean isExternal() { 8446 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8447 } 8448 8449 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8450 if (temp) { 8451 createCopyFile(); 8452 } else { 8453 /* 8454 * Pre-emptively destroy the container since it's destroyed if 8455 * copying fails due to it existing anyway. 8456 */ 8457 PackageHelper.destroySdDir(cid); 8458 } 8459 8460 final String newCachePath; 8461 try { 8462 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8463 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8464 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8465 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8466 } finally { 8467 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8468 } 8469 8470 if (newCachePath != null) { 8471 setCachePath(newCachePath); 8472 return PackageManager.INSTALL_SUCCEEDED; 8473 } else { 8474 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8475 } 8476 } 8477 8478 @Override 8479 String getCodePath() { 8480 return packagePath; 8481 } 8482 8483 @Override 8484 String getResourcePath() { 8485 return resourcePath; 8486 } 8487 8488 @Override 8489 String getNativeLibraryPath() { 8490 return libraryPath; 8491 } 8492 8493 int doPreInstall(int status) { 8494 if (status != PackageManager.INSTALL_SUCCEEDED) { 8495 // Destroy container 8496 PackageHelper.destroySdDir(cid); 8497 } else { 8498 boolean mounted = PackageHelper.isContainerMounted(cid); 8499 if (!mounted) { 8500 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8501 Process.SYSTEM_UID); 8502 if (newCachePath != null) { 8503 setCachePath(newCachePath); 8504 } else { 8505 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8506 } 8507 } 8508 } 8509 return status; 8510 } 8511 8512 boolean doRename(int status, final String pkgName, 8513 String oldCodePath) { 8514 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8515 String newCachePath = null; 8516 if (PackageHelper.isContainerMounted(cid)) { 8517 // Unmount the container 8518 if (!PackageHelper.unMountSdDir(cid)) { 8519 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8520 return false; 8521 } 8522 } 8523 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8524 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8525 " which might be stale. Will try to clean up."); 8526 // Clean up the stale container and proceed to recreate. 8527 if (!PackageHelper.destroySdDir(newCacheId)) { 8528 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8529 return false; 8530 } 8531 // Successfully cleaned up stale container. Try to rename again. 8532 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8533 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8534 + " inspite of cleaning it up."); 8535 return false; 8536 } 8537 } 8538 if (!PackageHelper.isContainerMounted(newCacheId)) { 8539 Slog.w(TAG, "Mounting container " + newCacheId); 8540 newCachePath = PackageHelper.mountSdDir(newCacheId, 8541 getEncryptKey(), Process.SYSTEM_UID); 8542 } else { 8543 newCachePath = PackageHelper.getSdDir(newCacheId); 8544 } 8545 if (newCachePath == null) { 8546 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8547 return false; 8548 } 8549 Log.i(TAG, "Succesfully renamed " + cid + 8550 " to " + newCacheId + 8551 " at new path: " + newCachePath); 8552 cid = newCacheId; 8553 setCachePath(newCachePath); 8554 return true; 8555 } 8556 8557 private void setCachePath(String newCachePath) { 8558 File cachePath = new File(newCachePath); 8559 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8560 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8561 8562 if (isFwdLocked()) { 8563 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8564 } else { 8565 resourcePath = packagePath; 8566 } 8567 } 8568 8569 int doPostInstall(int status, int uid) { 8570 if (status != PackageManager.INSTALL_SUCCEEDED) { 8571 cleanUp(); 8572 } else { 8573 final int groupOwner; 8574 final String protectedFile; 8575 if (isFwdLocked()) { 8576 groupOwner = UserHandle.getSharedAppGid(uid); 8577 protectedFile = RES_FILE_NAME; 8578 } else { 8579 groupOwner = -1; 8580 protectedFile = null; 8581 } 8582 8583 if (uid < Process.FIRST_APPLICATION_UID 8584 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8585 Slog.e(TAG, "Failed to finalize " + cid); 8586 PackageHelper.destroySdDir(cid); 8587 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8588 } 8589 8590 boolean mounted = PackageHelper.isContainerMounted(cid); 8591 if (!mounted) { 8592 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8593 } 8594 } 8595 return status; 8596 } 8597 8598 private void cleanUp() { 8599 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8600 8601 // Destroy secure container 8602 PackageHelper.destroySdDir(cid); 8603 } 8604 8605 void cleanUpResourcesLI() { 8606 String sourceFile = getCodePath(); 8607 // Remove dex file 8608 int retCode = mInstaller.rmdex(sourceFile); 8609 if (retCode < 0) { 8610 Slog.w(TAG, "Couldn't remove dex file for package: " 8611 + " at location " 8612 + sourceFile.toString() + ", retcode=" + retCode); 8613 // we don't consider this to be a failure of the core package deletion 8614 } 8615 cleanUp(); 8616 } 8617 8618 boolean matchContainer(String app) { 8619 if (cid.startsWith(app)) { 8620 return true; 8621 } 8622 return false; 8623 } 8624 8625 String getPackageName() { 8626 return getAsecPackageName(cid); 8627 } 8628 8629 boolean doPostDeleteLI(boolean delete) { 8630 boolean ret = false; 8631 boolean mounted = PackageHelper.isContainerMounted(cid); 8632 if (mounted) { 8633 // Unmount first 8634 ret = PackageHelper.unMountSdDir(cid); 8635 } 8636 if (ret && delete) { 8637 cleanUpResourcesLI(); 8638 } 8639 return ret; 8640 } 8641 8642 @Override 8643 int doPreCopy() { 8644 if (isFwdLocked()) { 8645 if (!PackageHelper.fixSdPermissions(cid, 8646 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8647 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8648 } 8649 } 8650 8651 return PackageManager.INSTALL_SUCCEEDED; 8652 } 8653 8654 @Override 8655 int doPostCopy(int uid) { 8656 if (isFwdLocked()) { 8657 if (uid < Process.FIRST_APPLICATION_UID 8658 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8659 RES_FILE_NAME)) { 8660 Slog.e(TAG, "Failed to finalize " + cid); 8661 PackageHelper.destroySdDir(cid); 8662 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8663 } 8664 } 8665 8666 return PackageManager.INSTALL_SUCCEEDED; 8667 } 8668 }; 8669 8670 static String getAsecPackageName(String packageCid) { 8671 int idx = packageCid.lastIndexOf("-"); 8672 if (idx == -1) { 8673 return packageCid; 8674 } 8675 return packageCid.substring(0, idx); 8676 } 8677 8678 // Utility method used to create code paths based on package name and available index. 8679 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8680 String idxStr = ""; 8681 int idx = 1; 8682 // Fall back to default value of idx=1 if prefix is not 8683 // part of oldCodePath 8684 if (oldCodePath != null) { 8685 String subStr = oldCodePath; 8686 // Drop the suffix right away 8687 if (subStr.endsWith(suffix)) { 8688 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8689 } 8690 // If oldCodePath already contains prefix find out the 8691 // ending index to either increment or decrement. 8692 int sidx = subStr.lastIndexOf(prefix); 8693 if (sidx != -1) { 8694 subStr = subStr.substring(sidx + prefix.length()); 8695 if (subStr != null) { 8696 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8697 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8698 } 8699 try { 8700 idx = Integer.parseInt(subStr); 8701 if (idx <= 1) { 8702 idx++; 8703 } else { 8704 idx--; 8705 } 8706 } catch(NumberFormatException e) { 8707 } 8708 } 8709 } 8710 } 8711 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8712 return prefix + idxStr; 8713 } 8714 8715 // Utility method used to ignore ADD/REMOVE events 8716 // by directory observer. 8717 private static boolean ignoreCodePath(String fullPathStr) { 8718 String apkName = getApkName(fullPathStr); 8719 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8720 if (idx != -1 && ((idx+1) < apkName.length())) { 8721 // Make sure the package ends with a numeral 8722 String version = apkName.substring(idx+1); 8723 try { 8724 Integer.parseInt(version); 8725 return true; 8726 } catch (NumberFormatException e) {} 8727 } 8728 return false; 8729 } 8730 8731 // Utility method that returns the relative package path with respect 8732 // to the installation directory. Like say for /data/data/com.test-1.apk 8733 // string com.test-1 is returned. 8734 static String getApkName(String codePath) { 8735 if (codePath == null) { 8736 return null; 8737 } 8738 int sidx = codePath.lastIndexOf("/"); 8739 int eidx = codePath.lastIndexOf("."); 8740 if (eidx == -1) { 8741 eidx = codePath.length(); 8742 } else if (eidx == 0) { 8743 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8744 return null; 8745 } 8746 return codePath.substring(sidx+1, eidx); 8747 } 8748 8749 class PackageInstalledInfo { 8750 String name; 8751 int uid; 8752 // The set of users that originally had this package installed. 8753 int[] origUsers; 8754 // The set of users that now have this package installed. 8755 int[] newUsers; 8756 PackageParser.Package pkg; 8757 int returnCode; 8758 PackageRemovedInfo removedInfo; 8759 } 8760 8761 /* 8762 * Install a non-existing package. 8763 */ 8764 private void installNewPackageLI(PackageParser.Package pkg, 8765 int parseFlags, int scanMode, UserHandle user, 8766 String installerPackageName, PackageInstalledInfo res) { 8767 // Remember this for later, in case we need to rollback this install 8768 String pkgName = pkg.packageName; 8769 8770 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8771 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8772 synchronized(mPackages) { 8773 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8774 // A package with the same name is already installed, though 8775 // it has been renamed to an older name. The package we 8776 // are trying to install should be installed as an update to 8777 // the existing one, but that has not been requested, so bail. 8778 Slog.w(TAG, "Attempt to re-install " + pkgName 8779 + " without first uninstalling package running as " 8780 + mSettings.mRenamedPackages.get(pkgName)); 8781 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8782 return; 8783 } 8784 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8785 // Don't allow installation over an existing package with the same name. 8786 Slog.w(TAG, "Attempt to re-install " + pkgName 8787 + " without first uninstalling."); 8788 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8789 return; 8790 } 8791 } 8792 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8793 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8794 System.currentTimeMillis(), user); 8795 if (newPackage == null) { 8796 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8797 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8798 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8799 } 8800 } else { 8801 updateSettingsLI(newPackage, 8802 installerPackageName, 8803 null, null, 8804 res); 8805 // delete the partially installed application. the data directory will have to be 8806 // restored if it was already existing 8807 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8808 // remove package from internal structures. Note that we want deletePackageX to 8809 // delete the package data and cache directories that it created in 8810 // scanPackageLocked, unless those directories existed before we even tried to 8811 // install. 8812 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8813 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8814 res.removedInfo, true); 8815 } 8816 } 8817 } 8818 8819 private void replacePackageLI(PackageParser.Package pkg, 8820 int parseFlags, int scanMode, UserHandle user, 8821 String installerPackageName, PackageInstalledInfo res) { 8822 8823 PackageParser.Package oldPackage; 8824 String pkgName = pkg.packageName; 8825 int[] allUsers; 8826 boolean[] perUserInstalled; 8827 8828 // First find the old package info and check signatures 8829 synchronized(mPackages) { 8830 oldPackage = mPackages.get(pkgName); 8831 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8832 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8833 != PackageManager.SIGNATURE_MATCH) { 8834 Slog.w(TAG, "New package has a different signature: " + pkgName); 8835 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8836 return; 8837 } 8838 8839 // In case of rollback, remember per-user/profile install state 8840 PackageSetting ps = mSettings.mPackages.get(pkgName); 8841 allUsers = sUserManager.getUserIds(); 8842 perUserInstalled = new boolean[allUsers.length]; 8843 for (int i = 0; i < allUsers.length; i++) { 8844 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8845 } 8846 } 8847 boolean sysPkg = (isSystemApp(oldPackage)); 8848 if (sysPkg) { 8849 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8850 user, allUsers, perUserInstalled, installerPackageName, res); 8851 } else { 8852 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8853 user, allUsers, perUserInstalled, installerPackageName, res); 8854 } 8855 } 8856 8857 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8858 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8859 int[] allUsers, boolean[] perUserInstalled, 8860 String installerPackageName, PackageInstalledInfo res) { 8861 PackageParser.Package newPackage = null; 8862 String pkgName = deletedPackage.packageName; 8863 boolean deletedPkg = true; 8864 boolean updatedSettings = false; 8865 8866 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8867 + deletedPackage); 8868 long origUpdateTime; 8869 if (pkg.mExtras != null) { 8870 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8871 } else { 8872 origUpdateTime = 0; 8873 } 8874 8875 // First delete the existing package while retaining the data directory 8876 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8877 res.removedInfo, true)) { 8878 // If the existing package wasn't successfully deleted 8879 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8880 deletedPkg = false; 8881 } else { 8882 // Successfully deleted the old package. Now proceed with re-installation 8883 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8884 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8885 System.currentTimeMillis(), user); 8886 if (newPackage == null) { 8887 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8888 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8889 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8890 } 8891 } else { 8892 updateSettingsLI(newPackage, 8893 installerPackageName, 8894 allUsers, perUserInstalled, 8895 res); 8896 updatedSettings = true; 8897 } 8898 } 8899 8900 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8901 // remove package from internal structures. Note that we want deletePackageX to 8902 // delete the package data and cache directories that it created in 8903 // scanPackageLocked, unless those directories existed before we even tried to 8904 // install. 8905 if(updatedSettings) { 8906 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8907 deletePackageLI( 8908 pkgName, null, true, allUsers, perUserInstalled, 8909 PackageManager.DELETE_KEEP_DATA, 8910 res.removedInfo, true); 8911 } 8912 // Since we failed to install the new package we need to restore the old 8913 // package that we deleted. 8914 if(deletedPkg) { 8915 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8916 File restoreFile = new File(deletedPackage.mPath); 8917 // Parse old package 8918 boolean oldOnSd = isExternal(deletedPackage); 8919 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8920 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8921 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8922 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8923 | SCAN_UPDATE_TIME; 8924 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8925 origUpdateTime, null) == null) { 8926 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8927 return; 8928 } 8929 // Restore of old package succeeded. Update permissions. 8930 // writer 8931 synchronized (mPackages) { 8932 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8933 UPDATE_PERMISSIONS_ALL); 8934 // can downgrade to reader 8935 mSettings.writeLPr(); 8936 } 8937 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 8938 } 8939 } 8940 } 8941 8942 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 8943 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8944 int[] allUsers, boolean[] perUserInstalled, 8945 String installerPackageName, PackageInstalledInfo res) { 8946 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 8947 + ", old=" + deletedPackage); 8948 PackageParser.Package newPackage = null; 8949 boolean updatedSettings = false; 8950 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 8951 PackageParser.PARSE_IS_SYSTEM; 8952 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 8953 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8954 } 8955 String packageName = deletedPackage.packageName; 8956 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8957 if (packageName == null) { 8958 Slog.w(TAG, "Attempt to delete null packageName."); 8959 return; 8960 } 8961 PackageParser.Package oldPkg; 8962 PackageSetting oldPkgSetting; 8963 // reader 8964 synchronized (mPackages) { 8965 oldPkg = mPackages.get(packageName); 8966 oldPkgSetting = mSettings.mPackages.get(packageName); 8967 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 8968 (oldPkgSetting == null)) { 8969 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 8970 return; 8971 } 8972 } 8973 8974 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 8975 8976 res.removedInfo.uid = oldPkg.applicationInfo.uid; 8977 res.removedInfo.removedPackage = packageName; 8978 // Remove existing system package 8979 removePackageLI(oldPkgSetting, true); 8980 // writer 8981 synchronized (mPackages) { 8982 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 8983 // We didn't need to disable the .apk as a current system package, 8984 // which means we are replacing another update that is already 8985 // installed. We need to make sure to delete the older one's .apk. 8986 res.removedInfo.args = createInstallArgs(0, 8987 deletedPackage.applicationInfo.sourceDir, 8988 deletedPackage.applicationInfo.publicSourceDir, 8989 deletedPackage.applicationInfo.nativeLibraryDir); 8990 } else { 8991 res.removedInfo.args = null; 8992 } 8993 } 8994 8995 // Successfully disabled the old package. Now proceed with re-installation 8996 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8997 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 8998 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 8999 if (newPackage == null) { 9000 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9001 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9002 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9003 } 9004 } else { 9005 if (newPackage.mExtras != null) { 9006 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9007 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9008 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9009 } 9010 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9011 updatedSettings = true; 9012 } 9013 9014 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9015 // Re installation failed. Restore old information 9016 // Remove new pkg information 9017 if (newPackage != null) { 9018 removeInstalledPackageLI(newPackage, true); 9019 } 9020 // Add back the old system package 9021 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9022 // Restore the old system information in Settings 9023 synchronized(mPackages) { 9024 if (updatedSettings) { 9025 mSettings.enableSystemPackageLPw(packageName); 9026 mSettings.setInstallerPackageName(packageName, 9027 oldPkgSetting.installerPackageName); 9028 } 9029 mSettings.writeLPr(); 9030 } 9031 } 9032 } 9033 9034 // Utility method used to move dex files during install. 9035 private int moveDexFilesLI(PackageParser.Package newPackage) { 9036 int retCode; 9037 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9038 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9039 if (retCode != 0) { 9040 if (mNoDexOpt) { 9041 /* 9042 * If we're in an engineering build, programs are lazily run 9043 * through dexopt. If the .dex file doesn't exist yet, it 9044 * will be created when the program is run next. 9045 */ 9046 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9047 } else { 9048 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9049 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9050 } 9051 } 9052 } 9053 return PackageManager.INSTALL_SUCCEEDED; 9054 } 9055 9056 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9057 int[] allUsers, boolean[] perUserInstalled, 9058 PackageInstalledInfo res) { 9059 String pkgName = newPackage.packageName; 9060 synchronized (mPackages) { 9061 //write settings. the installStatus will be incomplete at this stage. 9062 //note that the new package setting would have already been 9063 //added to mPackages. It hasn't been persisted yet. 9064 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9065 mSettings.writeLPr(); 9066 } 9067 9068 if ((res.returnCode = moveDexFilesLI(newPackage)) 9069 != PackageManager.INSTALL_SUCCEEDED) { 9070 // Discontinue if moving dex files failed. 9071 return; 9072 } 9073 9074 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9075 9076 synchronized (mPackages) { 9077 updatePermissionsLPw(newPackage.packageName, newPackage, 9078 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9079 ? UPDATE_PERMISSIONS_ALL : 0)); 9080 // For system-bundled packages, we assume that installing an upgraded version 9081 // of the package implies that the user actually wants to run that new code, 9082 // so we enable the package. 9083 if (isSystemApp(newPackage)) { 9084 // NB: implicit assumption that system package upgrades apply to all users 9085 if (DEBUG_INSTALL) { 9086 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9087 } 9088 PackageSetting ps = mSettings.mPackages.get(pkgName); 9089 if (ps != null) { 9090 if (res.origUsers != null) { 9091 for (int userHandle : res.origUsers) { 9092 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9093 userHandle, installerPackageName); 9094 } 9095 } 9096 // Also convey the prior install/uninstall state 9097 if (allUsers != null && perUserInstalled != null) { 9098 for (int i = 0; i < allUsers.length; i++) { 9099 if (DEBUG_INSTALL) { 9100 Slog.d(TAG, " user " + allUsers[i] 9101 + " => " + perUserInstalled[i]); 9102 } 9103 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9104 } 9105 // these install state changes will be persisted in the 9106 // upcoming call to mSettings.writeLPr(). 9107 } 9108 } 9109 } 9110 res.name = pkgName; 9111 res.uid = newPackage.applicationInfo.uid; 9112 res.pkg = newPackage; 9113 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9114 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9115 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9116 //to update install status 9117 mSettings.writeLPr(); 9118 } 9119 } 9120 9121 private void installPackageLI(InstallArgs args, 9122 boolean newInstall, PackageInstalledInfo res) { 9123 int pFlags = args.flags; 9124 String installerPackageName = args.installerPackageName; 9125 File tmpPackageFile = new File(args.getCodePath()); 9126 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9127 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9128 boolean replace = false; 9129 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9130 | (newInstall ? SCAN_NEW_INSTALL : 0); 9131 // Result object to be returned 9132 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9133 9134 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9135 // Retrieve PackageSettings and parse package 9136 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9137 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9138 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9139 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9140 pp.setSeparateProcesses(mSeparateProcesses); 9141 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9142 null, mMetrics, parseFlags); 9143 if (pkg == null) { 9144 res.returnCode = pp.getParseError(); 9145 return; 9146 } 9147 String pkgName = res.name = pkg.packageName; 9148 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9149 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9150 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9151 return; 9152 } 9153 } 9154 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9155 res.returnCode = pp.getParseError(); 9156 return; 9157 } 9158 9159 /* If the installer passed in a manifest digest, compare it now. */ 9160 if (args.manifestDigest != null) { 9161 if (DEBUG_INSTALL) { 9162 final String parsedManifest = pkg.manifestDigest == null ? "null" 9163 : pkg.manifestDigest.toString(); 9164 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9165 + parsedManifest); 9166 } 9167 9168 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9169 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9170 return; 9171 } 9172 } else if (DEBUG_INSTALL) { 9173 final String parsedManifest = pkg.manifestDigest == null 9174 ? "null" : pkg.manifestDigest.toString(); 9175 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9176 } 9177 9178 // Get rid of all references to package scan path via parser. 9179 pp = null; 9180 String oldCodePath = null; 9181 boolean systemApp = false; 9182 synchronized (mPackages) { 9183 // Check if installing already existing package 9184 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9185 String oldName = mSettings.mRenamedPackages.get(pkgName); 9186 if (pkg.mOriginalPackages != null 9187 && pkg.mOriginalPackages.contains(oldName) 9188 && mPackages.containsKey(oldName)) { 9189 // This package is derived from an original package, 9190 // and this device has been updating from that original 9191 // name. We must continue using the original name, so 9192 // rename the new package here. 9193 pkg.setPackageName(oldName); 9194 pkgName = pkg.packageName; 9195 replace = true; 9196 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9197 + oldName + " pkgName=" + pkgName); 9198 } else if (mPackages.containsKey(pkgName)) { 9199 // This package, under its official name, already exists 9200 // on the device; we should replace it. 9201 replace = true; 9202 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9203 } 9204 } 9205 PackageSetting ps = mSettings.mPackages.get(pkgName); 9206 if (ps != null) { 9207 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9208 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9209 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9210 systemApp = (ps.pkg.applicationInfo.flags & 9211 ApplicationInfo.FLAG_SYSTEM) != 0; 9212 } 9213 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9214 } 9215 } 9216 9217 if (systemApp && onSd) { 9218 // Disable updates to system apps on sdcard 9219 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9220 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9221 return; 9222 } 9223 9224 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9225 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9226 return; 9227 } 9228 // Set application objects path explicitly after the rename 9229 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9230 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9231 if (replace) { 9232 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9233 installerPackageName, res); 9234 } else { 9235 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9236 installerPackageName, res); 9237 } 9238 synchronized (mPackages) { 9239 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9240 if (ps != null) { 9241 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9242 } 9243 } 9244 } 9245 9246 private static boolean isForwardLocked(PackageParser.Package pkg) { 9247 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9248 } 9249 9250 9251 private boolean isForwardLocked(PackageSetting ps) { 9252 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9253 } 9254 9255 private static boolean isExternal(PackageParser.Package pkg) { 9256 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9257 } 9258 9259 private static boolean isExternal(PackageSetting ps) { 9260 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9261 } 9262 9263 private static boolean isSystemApp(PackageParser.Package pkg) { 9264 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9265 } 9266 9267 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9268 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9269 } 9270 9271 private static boolean isSystemApp(ApplicationInfo info) { 9272 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9273 } 9274 9275 private static boolean isSystemApp(PackageSetting ps) { 9276 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9277 } 9278 9279 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9280 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9281 } 9282 9283 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9284 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9285 } 9286 9287 private int packageFlagsToInstallFlags(PackageSetting ps) { 9288 int installFlags = 0; 9289 if (isExternal(ps)) { 9290 installFlags |= PackageManager.INSTALL_EXTERNAL; 9291 } 9292 if (isForwardLocked(ps)) { 9293 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9294 } 9295 return installFlags; 9296 } 9297 9298 private void deleteTempPackageFiles() { 9299 final FilenameFilter filter = new FilenameFilter() { 9300 public boolean accept(File dir, String name) { 9301 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9302 } 9303 }; 9304 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9305 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9306 } 9307 9308 private static final void deleteTempPackageFilesInDirectory(File directory, 9309 FilenameFilter filter) { 9310 final String[] tmpFilesList = directory.list(filter); 9311 if (tmpFilesList == null) { 9312 return; 9313 } 9314 for (int i = 0; i < tmpFilesList.length; i++) { 9315 final File tmpFile = new File(directory, tmpFilesList[i]); 9316 tmpFile.delete(); 9317 } 9318 } 9319 9320 private File createTempPackageFile(File installDir) { 9321 File tmpPackageFile; 9322 try { 9323 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9324 } catch (IOException e) { 9325 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9326 return null; 9327 } 9328 try { 9329 FileUtils.setPermissions( 9330 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9331 -1, -1); 9332 if (!SELinux.restorecon(tmpPackageFile)) { 9333 return null; 9334 } 9335 } catch (IOException e) { 9336 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9337 return null; 9338 } 9339 return tmpPackageFile; 9340 } 9341 9342 @Override 9343 public void deletePackageAsUser(final String packageName, 9344 final IPackageDeleteObserver observer, 9345 final int userId, final int flags) { 9346 mContext.enforceCallingOrSelfPermission( 9347 android.Manifest.permission.DELETE_PACKAGES, null); 9348 final int uid = Binder.getCallingUid(); 9349 if (UserHandle.getUserId(uid) != userId) { 9350 mContext.enforceCallingPermission( 9351 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9352 "deletePackage for user " + userId); 9353 } 9354 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9355 try { 9356 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9357 } catch (RemoteException re) { 9358 } 9359 return; 9360 } 9361 9362 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9363 // Queue up an async operation since the package deletion may take a little while. 9364 mHandler.post(new Runnable() { 9365 public void run() { 9366 mHandler.removeCallbacks(this); 9367 final int returnCode = deletePackageX(packageName, userId, flags); 9368 if (observer != null) { 9369 try { 9370 observer.packageDeleted(packageName, returnCode); 9371 } catch (RemoteException e) { 9372 Log.i(TAG, "Observer no longer exists."); 9373 } //end catch 9374 } //end if 9375 } //end run 9376 }); 9377 } 9378 9379 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9380 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9381 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9382 try { 9383 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9384 || dpm.isDeviceOwner(packageName))) { 9385 return true; 9386 } 9387 } catch (RemoteException e) { 9388 } 9389 return false; 9390 } 9391 9392 /** 9393 * This method is an internal method that could be get invoked either 9394 * to delete an installed package or to clean up a failed installation. 9395 * After deleting an installed package, a broadcast is sent to notify any 9396 * listeners that the package has been installed. For cleaning up a failed 9397 * installation, the broadcast is not necessary since the package's 9398 * installation wouldn't have sent the initial broadcast either 9399 * The key steps in deleting a package are 9400 * deleting the package information in internal structures like mPackages, 9401 * deleting the packages base directories through installd 9402 * updating mSettings to reflect current status 9403 * persisting settings for later use 9404 * sending a broadcast if necessary 9405 */ 9406 private int deletePackageX(String packageName, int userId, int flags) { 9407 final PackageRemovedInfo info = new PackageRemovedInfo(); 9408 final boolean res; 9409 9410 if (isPackageDeviceAdmin(packageName, userId)) { 9411 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9412 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9413 } 9414 9415 boolean removedForAllUsers = false; 9416 boolean systemUpdate = false; 9417 9418 // for the uninstall-updates case and restricted profiles, remember the per- 9419 // userhandle installed state 9420 int[] allUsers; 9421 boolean[] perUserInstalled; 9422 synchronized (mPackages) { 9423 PackageSetting ps = mSettings.mPackages.get(packageName); 9424 allUsers = sUserManager.getUserIds(); 9425 perUserInstalled = new boolean[allUsers.length]; 9426 for (int i = 0; i < allUsers.length; i++) { 9427 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9428 } 9429 } 9430 9431 synchronized (mInstallLock) { 9432 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9433 res = deletePackageLI(packageName, 9434 (flags & PackageManager.DELETE_ALL_USERS) != 0 9435 ? UserHandle.ALL : new UserHandle(userId), 9436 true, allUsers, perUserInstalled, 9437 flags | REMOVE_CHATTY, info, true); 9438 systemUpdate = info.isRemovedPackageSystemUpdate; 9439 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9440 removedForAllUsers = true; 9441 } 9442 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9443 + " removedForAllUsers=" + removedForAllUsers); 9444 } 9445 9446 if (res) { 9447 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9448 9449 // If the removed package was a system update, the old system package 9450 // was re-enabled; we need to broadcast this information 9451 if (systemUpdate) { 9452 Bundle extras = new Bundle(1); 9453 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9454 ? info.removedAppId : info.uid); 9455 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9456 9457 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9458 extras, null, null, null); 9459 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9460 extras, null, null, null); 9461 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9462 null, packageName, null, null); 9463 } 9464 } 9465 // Force a gc here. 9466 Runtime.getRuntime().gc(); 9467 // Delete the resources here after sending the broadcast to let 9468 // other processes clean up before deleting resources. 9469 if (info.args != null) { 9470 synchronized (mInstallLock) { 9471 info.args.doPostDeleteLI(true); 9472 } 9473 } 9474 9475 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9476 } 9477 9478 static class PackageRemovedInfo { 9479 String removedPackage; 9480 int uid = -1; 9481 int removedAppId = -1; 9482 int[] removedUsers = null; 9483 boolean isRemovedPackageSystemUpdate = false; 9484 // Clean up resources deleted packages. 9485 InstallArgs args = null; 9486 9487 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9488 Bundle extras = new Bundle(1); 9489 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9490 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9491 if (replacing) { 9492 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9493 } 9494 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9495 if (removedPackage != null) { 9496 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9497 extras, null, null, removedUsers); 9498 if (fullRemove && !replacing) { 9499 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9500 extras, null, null, removedUsers); 9501 } 9502 } 9503 if (removedAppId >= 0) { 9504 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9505 removedUsers); 9506 } 9507 } 9508 } 9509 9510 /* 9511 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9512 * flag is not set, the data directory is removed as well. 9513 * make sure this flag is set for partially installed apps. If not its meaningless to 9514 * delete a partially installed application. 9515 */ 9516 private void removePackageDataLI(PackageSetting ps, 9517 int[] allUserHandles, boolean[] perUserInstalled, 9518 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9519 String packageName = ps.name; 9520 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9521 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9522 // Retrieve object to delete permissions for shared user later on 9523 final PackageSetting deletedPs; 9524 // reader 9525 synchronized (mPackages) { 9526 deletedPs = mSettings.mPackages.get(packageName); 9527 if (outInfo != null) { 9528 outInfo.removedPackage = packageName; 9529 outInfo.removedUsers = deletedPs != null 9530 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9531 : null; 9532 } 9533 } 9534 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9535 removeDataDirsLI(packageName); 9536 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9537 } 9538 // writer 9539 synchronized (mPackages) { 9540 if (deletedPs != null) { 9541 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9542 if (outInfo != null) { 9543 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9544 } 9545 if (deletedPs != null) { 9546 updatePermissionsLPw(deletedPs.name, null, 0); 9547 if (deletedPs.sharedUser != null) { 9548 // remove permissions associated with package 9549 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9550 } 9551 } 9552 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9553 } 9554 // make sure to preserve per-user disabled state if this removal was just 9555 // a downgrade of a system app to the factory package 9556 if (allUserHandles != null && perUserInstalled != null) { 9557 if (DEBUG_REMOVE) { 9558 Slog.d(TAG, "Propagating install state across downgrade"); 9559 } 9560 for (int i = 0; i < allUserHandles.length; i++) { 9561 if (DEBUG_REMOVE) { 9562 Slog.d(TAG, " user " + allUserHandles[i] 9563 + " => " + perUserInstalled[i]); 9564 } 9565 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9566 } 9567 } 9568 } 9569 // can downgrade to reader 9570 if (writeSettings) { 9571 // Save settings now 9572 mSettings.writeLPr(); 9573 } 9574 } 9575 if (outInfo != null) { 9576 // A user ID was deleted here. Go through all users and remove it 9577 // from KeyStore. 9578 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9579 } 9580 } 9581 9582 static boolean locationIsPrivileged(File path) { 9583 try { 9584 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9585 .getCanonicalPath(); 9586 return path.getCanonicalPath().startsWith(privilegedAppDir); 9587 } catch (IOException e) { 9588 Slog.e(TAG, "Unable to access code path " + path); 9589 } 9590 return false; 9591 } 9592 9593 /* 9594 * Tries to delete system package. 9595 */ 9596 private boolean deleteSystemPackageLI(PackageSetting newPs, 9597 int[] allUserHandles, boolean[] perUserInstalled, 9598 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9599 final boolean applyUserRestrictions 9600 = (allUserHandles != null) && (perUserInstalled != null); 9601 PackageSetting disabledPs = null; 9602 // Confirm if the system package has been updated 9603 // An updated system app can be deleted. This will also have to restore 9604 // the system pkg from system partition 9605 // reader 9606 synchronized (mPackages) { 9607 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9608 } 9609 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9610 + " disabledPs=" + disabledPs); 9611 if (disabledPs == null) { 9612 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9613 return false; 9614 } else if (DEBUG_REMOVE) { 9615 Slog.d(TAG, "Deleting system pkg from data partition"); 9616 } 9617 if (DEBUG_REMOVE) { 9618 if (applyUserRestrictions) { 9619 Slog.d(TAG, "Remembering install states:"); 9620 for (int i = 0; i < allUserHandles.length; i++) { 9621 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9622 } 9623 } 9624 } 9625 // Delete the updated package 9626 outInfo.isRemovedPackageSystemUpdate = true; 9627 if (disabledPs.versionCode < newPs.versionCode) { 9628 // Delete data for downgrades 9629 flags &= ~PackageManager.DELETE_KEEP_DATA; 9630 } else { 9631 // Preserve data by setting flag 9632 flags |= PackageManager.DELETE_KEEP_DATA; 9633 } 9634 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9635 allUserHandles, perUserInstalled, outInfo, writeSettings); 9636 if (!ret) { 9637 return false; 9638 } 9639 // writer 9640 synchronized (mPackages) { 9641 // Reinstate the old system package 9642 mSettings.enableSystemPackageLPw(newPs.name); 9643 // Remove any native libraries from the upgraded package. 9644 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9645 } 9646 // Install the system package 9647 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9648 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9649 if (locationIsPrivileged(disabledPs.codePath)) { 9650 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9651 } 9652 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9653 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9654 9655 if (newPkg == null) { 9656 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9657 + " with error:" + mLastScanError); 9658 return false; 9659 } 9660 // writer 9661 synchronized (mPackages) { 9662 updatePermissionsLPw(newPkg.packageName, newPkg, 9663 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9664 if (applyUserRestrictions) { 9665 if (DEBUG_REMOVE) { 9666 Slog.d(TAG, "Propagating install state across reinstall"); 9667 } 9668 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9669 for (int i = 0; i < allUserHandles.length; i++) { 9670 if (DEBUG_REMOVE) { 9671 Slog.d(TAG, " user " + allUserHandles[i] 9672 + " => " + perUserInstalled[i]); 9673 } 9674 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9675 } 9676 // Regardless of writeSettings we need to ensure that this restriction 9677 // state propagation is persisted 9678 mSettings.writeAllUsersPackageRestrictionsLPr(); 9679 } 9680 // can downgrade to reader here 9681 if (writeSettings) { 9682 mSettings.writeLPr(); 9683 } 9684 } 9685 return true; 9686 } 9687 9688 private boolean deleteInstalledPackageLI(PackageSetting ps, 9689 boolean deleteCodeAndResources, int flags, 9690 int[] allUserHandles, boolean[] perUserInstalled, 9691 PackageRemovedInfo outInfo, boolean writeSettings) { 9692 if (outInfo != null) { 9693 outInfo.uid = ps.appId; 9694 } 9695 9696 // Delete package data from internal structures and also remove data if flag is set 9697 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9698 9699 // Delete application code and resources 9700 if (deleteCodeAndResources && (outInfo != null)) { 9701 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9702 ps.resourcePathString, ps.nativeLibraryPathString); 9703 } 9704 return true; 9705 } 9706 9707 /* 9708 * This method handles package deletion in general 9709 */ 9710 private boolean deletePackageLI(String packageName, UserHandle user, 9711 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9712 int flags, PackageRemovedInfo outInfo, 9713 boolean writeSettings) { 9714 if (packageName == null) { 9715 Slog.w(TAG, "Attempt to delete null packageName."); 9716 return false; 9717 } 9718 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9719 PackageSetting ps; 9720 boolean dataOnly = false; 9721 int removeUser = -1; 9722 int appId = -1; 9723 synchronized (mPackages) { 9724 ps = mSettings.mPackages.get(packageName); 9725 if (ps == null) { 9726 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9727 return false; 9728 } 9729 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9730 && user.getIdentifier() != UserHandle.USER_ALL) { 9731 // The caller is asking that the package only be deleted for a single 9732 // user. To do this, we just mark its uninstalled state and delete 9733 // its data. If this is a system app, we only allow this to happen if 9734 // they have set the special DELETE_SYSTEM_APP which requests different 9735 // semantics than normal for uninstalling system apps. 9736 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9737 ps.setUserState(user.getIdentifier(), 9738 COMPONENT_ENABLED_STATE_DEFAULT, 9739 false, //installed 9740 true, //stopped 9741 true, //notLaunched 9742 false, //blocked 9743 null, null, null); 9744 if (!isSystemApp(ps)) { 9745 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9746 // Other user still have this package installed, so all 9747 // we need to do is clear this user's data and save that 9748 // it is uninstalled. 9749 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9750 removeUser = user.getIdentifier(); 9751 appId = ps.appId; 9752 mSettings.writePackageRestrictionsLPr(removeUser); 9753 } else { 9754 // We need to set it back to 'installed' so the uninstall 9755 // broadcasts will be sent correctly. 9756 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9757 ps.setInstalled(true, user.getIdentifier()); 9758 } 9759 } else { 9760 // This is a system app, so we assume that the 9761 // other users still have this package installed, so all 9762 // we need to do is clear this user's data and save that 9763 // it is uninstalled. 9764 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9765 removeUser = user.getIdentifier(); 9766 appId = ps.appId; 9767 mSettings.writePackageRestrictionsLPr(removeUser); 9768 } 9769 } 9770 } 9771 9772 if (removeUser >= 0) { 9773 // From above, we determined that we are deleting this only 9774 // for a single user. Continue the work here. 9775 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9776 if (outInfo != null) { 9777 outInfo.removedPackage = packageName; 9778 outInfo.removedAppId = appId; 9779 outInfo.removedUsers = new int[] {removeUser}; 9780 } 9781 mInstaller.clearUserData(packageName, removeUser); 9782 removeKeystoreDataIfNeeded(removeUser, appId); 9783 schedulePackageCleaning(packageName, removeUser, false); 9784 return true; 9785 } 9786 9787 if (dataOnly) { 9788 // Delete application data first 9789 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9790 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9791 return true; 9792 } 9793 9794 boolean ret = false; 9795 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9796 if (isSystemApp(ps)) { 9797 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9798 // When an updated system application is deleted we delete the existing resources as well and 9799 // fall back to existing code in system partition 9800 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9801 flags, outInfo, writeSettings); 9802 } else { 9803 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9804 // Kill application pre-emptively especially for apps on sd. 9805 killApplication(packageName, ps.appId, "uninstall pkg"); 9806 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9807 allUserHandles, perUserInstalled, 9808 outInfo, writeSettings); 9809 } 9810 9811 return ret; 9812 } 9813 9814 private final class ClearStorageConnection implements ServiceConnection { 9815 IMediaContainerService mContainerService; 9816 9817 @Override 9818 public void onServiceConnected(ComponentName name, IBinder service) { 9819 synchronized (this) { 9820 mContainerService = IMediaContainerService.Stub.asInterface(service); 9821 notifyAll(); 9822 } 9823 } 9824 9825 @Override 9826 public void onServiceDisconnected(ComponentName name) { 9827 } 9828 } 9829 9830 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9831 final boolean mounted; 9832 if (Environment.isExternalStorageEmulated()) { 9833 mounted = true; 9834 } else { 9835 final String status = Environment.getExternalStorageState(); 9836 9837 mounted = status.equals(Environment.MEDIA_MOUNTED) 9838 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9839 } 9840 9841 if (!mounted) { 9842 return; 9843 } 9844 9845 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9846 int[] users; 9847 if (userId == UserHandle.USER_ALL) { 9848 users = sUserManager.getUserIds(); 9849 } else { 9850 users = new int[] { userId }; 9851 } 9852 final ClearStorageConnection conn = new ClearStorageConnection(); 9853 if (mContext.bindServiceAsUser( 9854 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9855 try { 9856 for (int curUser : users) { 9857 long timeout = SystemClock.uptimeMillis() + 5000; 9858 synchronized (conn) { 9859 long now = SystemClock.uptimeMillis(); 9860 while (conn.mContainerService == null && now < timeout) { 9861 try { 9862 conn.wait(timeout - now); 9863 } catch (InterruptedException e) { 9864 } 9865 } 9866 } 9867 if (conn.mContainerService == null) { 9868 return; 9869 } 9870 9871 final UserEnvironment userEnv = new UserEnvironment(curUser); 9872 clearDirectory(conn.mContainerService, 9873 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9874 if (allData) { 9875 clearDirectory(conn.mContainerService, 9876 userEnv.buildExternalStorageAppDataDirs(packageName)); 9877 clearDirectory(conn.mContainerService, 9878 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9879 } 9880 } 9881 } finally { 9882 mContext.unbindService(conn); 9883 } 9884 } 9885 } 9886 9887 @Override 9888 public void clearApplicationUserData(final String packageName, 9889 final IPackageDataObserver observer, final int userId) { 9890 mContext.enforceCallingOrSelfPermission( 9891 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9892 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9893 // Queue up an async operation since the package deletion may take a little while. 9894 mHandler.post(new Runnable() { 9895 public void run() { 9896 mHandler.removeCallbacks(this); 9897 final boolean succeeded; 9898 synchronized (mInstallLock) { 9899 succeeded = clearApplicationUserDataLI(packageName, userId); 9900 } 9901 clearExternalStorageDataSync(packageName, userId, true); 9902 if (succeeded) { 9903 // invoke DeviceStorageMonitor's update method to clear any notifications 9904 DeviceStorageMonitorInternal 9905 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9906 if (dsm != null) { 9907 dsm.checkMemory(); 9908 } 9909 } 9910 if(observer != null) { 9911 try { 9912 observer.onRemoveCompleted(packageName, succeeded); 9913 } catch (RemoteException e) { 9914 Log.i(TAG, "Observer no longer exists."); 9915 } 9916 } //end if observer 9917 } //end run 9918 }); 9919 } 9920 9921 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9922 if (packageName == null) { 9923 Slog.w(TAG, "Attempt to delete null packageName."); 9924 return false; 9925 } 9926 PackageParser.Package p; 9927 boolean dataOnly = false; 9928 final int appId; 9929 synchronized (mPackages) { 9930 p = mPackages.get(packageName); 9931 if (p == null) { 9932 dataOnly = true; 9933 PackageSetting ps = mSettings.mPackages.get(packageName); 9934 if ((ps == null) || (ps.pkg == null)) { 9935 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9936 return false; 9937 } 9938 p = ps.pkg; 9939 } 9940 if (!dataOnly) { 9941 // need to check this only for fully installed applications 9942 if (p == null) { 9943 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9944 return false; 9945 } 9946 final ApplicationInfo applicationInfo = p.applicationInfo; 9947 if (applicationInfo == null) { 9948 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 9949 return false; 9950 } 9951 } 9952 if (p != null && p.applicationInfo != null) { 9953 appId = p.applicationInfo.uid; 9954 } else { 9955 appId = -1; 9956 } 9957 } 9958 int retCode = mInstaller.clearUserData(packageName, userId); 9959 if (retCode < 0) { 9960 Slog.w(TAG, "Couldn't remove cache files for package: " 9961 + packageName); 9962 return false; 9963 } 9964 removeKeystoreDataIfNeeded(userId, appId); 9965 return true; 9966 } 9967 9968 /** 9969 * Remove entries from the keystore daemon. Will only remove it if the 9970 * {@code appId} is valid. 9971 */ 9972 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 9973 if (appId < 0) { 9974 return; 9975 } 9976 9977 final KeyStore keyStore = KeyStore.getInstance(); 9978 if (keyStore != null) { 9979 if (userId == UserHandle.USER_ALL) { 9980 for (final int individual : sUserManager.getUserIds()) { 9981 keyStore.clearUid(UserHandle.getUid(individual, appId)); 9982 } 9983 } else { 9984 keyStore.clearUid(UserHandle.getUid(userId, appId)); 9985 } 9986 } else { 9987 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 9988 } 9989 } 9990 9991 public void deleteApplicationCacheFiles(final String packageName, 9992 final IPackageDataObserver observer) { 9993 mContext.enforceCallingOrSelfPermission( 9994 android.Manifest.permission.DELETE_CACHE_FILES, null); 9995 // Queue up an async operation since the package deletion may take a little while. 9996 final int userId = UserHandle.getCallingUserId(); 9997 mHandler.post(new Runnable() { 9998 public void run() { 9999 mHandler.removeCallbacks(this); 10000 final boolean succeded; 10001 synchronized (mInstallLock) { 10002 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10003 } 10004 clearExternalStorageDataSync(packageName, userId, false); 10005 if(observer != null) { 10006 try { 10007 observer.onRemoveCompleted(packageName, succeded); 10008 } catch (RemoteException e) { 10009 Log.i(TAG, "Observer no longer exists."); 10010 } 10011 } //end if observer 10012 } //end run 10013 }); 10014 } 10015 10016 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10017 if (packageName == null) { 10018 Slog.w(TAG, "Attempt to delete null packageName."); 10019 return false; 10020 } 10021 PackageParser.Package p; 10022 synchronized (mPackages) { 10023 p = mPackages.get(packageName); 10024 } 10025 if (p == null) { 10026 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10027 return false; 10028 } 10029 final ApplicationInfo applicationInfo = p.applicationInfo; 10030 if (applicationInfo == null) { 10031 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10032 return false; 10033 } 10034 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10035 if (retCode < 0) { 10036 Slog.w(TAG, "Couldn't remove cache files for package: " 10037 + packageName + " u" + userId); 10038 return false; 10039 } 10040 return true; 10041 } 10042 10043 public void getPackageSizeInfo(final String packageName, int userHandle, 10044 final IPackageStatsObserver observer) { 10045 mContext.enforceCallingOrSelfPermission( 10046 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10047 10048 PackageStats stats = new PackageStats(packageName, userHandle); 10049 10050 /* 10051 * Queue up an async operation since the package measurement may take a 10052 * little while. 10053 */ 10054 Message msg = mHandler.obtainMessage(INIT_COPY); 10055 msg.obj = new MeasureParams(stats, observer); 10056 mHandler.sendMessage(msg); 10057 } 10058 10059 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10060 PackageStats pStats) { 10061 if (packageName == null) { 10062 Slog.w(TAG, "Attempt to get size of null packageName."); 10063 return false; 10064 } 10065 PackageParser.Package p; 10066 boolean dataOnly = false; 10067 String libDirPath = null; 10068 String asecPath = null; 10069 synchronized (mPackages) { 10070 p = mPackages.get(packageName); 10071 PackageSetting ps = mSettings.mPackages.get(packageName); 10072 if(p == null) { 10073 dataOnly = true; 10074 if((ps == null) || (ps.pkg == null)) { 10075 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10076 return false; 10077 } 10078 p = ps.pkg; 10079 } 10080 if (ps != null) { 10081 libDirPath = ps.nativeLibraryPathString; 10082 } 10083 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10084 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10085 if (secureContainerId != null) { 10086 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10087 } 10088 } 10089 } 10090 String publicSrcDir = null; 10091 if(!dataOnly) { 10092 final ApplicationInfo applicationInfo = p.applicationInfo; 10093 if (applicationInfo == null) { 10094 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10095 return false; 10096 } 10097 if (isForwardLocked(p)) { 10098 publicSrcDir = applicationInfo.publicSourceDir; 10099 } 10100 } 10101 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10102 publicSrcDir, asecPath, pStats); 10103 if (res < 0) { 10104 return false; 10105 } 10106 10107 // Fix-up for forward-locked applications in ASEC containers. 10108 if (!isExternal(p)) { 10109 pStats.codeSize += pStats.externalCodeSize; 10110 pStats.externalCodeSize = 0L; 10111 } 10112 10113 return true; 10114 } 10115 10116 10117 public void addPackageToPreferred(String packageName) { 10118 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10119 } 10120 10121 public void removePackageFromPreferred(String packageName) { 10122 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10123 } 10124 10125 public List<PackageInfo> getPreferredPackages(int flags) { 10126 return new ArrayList<PackageInfo>(); 10127 } 10128 10129 private int getUidTargetSdkVersionLockedLPr(int uid) { 10130 Object obj = mSettings.getUserIdLPr(uid); 10131 if (obj instanceof SharedUserSetting) { 10132 final SharedUserSetting sus = (SharedUserSetting) obj; 10133 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10134 final Iterator<PackageSetting> it = sus.packages.iterator(); 10135 while (it.hasNext()) { 10136 final PackageSetting ps = it.next(); 10137 if (ps.pkg != null) { 10138 int v = ps.pkg.applicationInfo.targetSdkVersion; 10139 if (v < vers) vers = v; 10140 } 10141 } 10142 return vers; 10143 } else if (obj instanceof PackageSetting) { 10144 final PackageSetting ps = (PackageSetting) obj; 10145 if (ps.pkg != null) { 10146 return ps.pkg.applicationInfo.targetSdkVersion; 10147 } 10148 } 10149 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10150 } 10151 10152 public void addPreferredActivity(IntentFilter filter, int match, 10153 ComponentName[] set, ComponentName activity, int userId) { 10154 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10155 } 10156 10157 private void addPreferredActivityInternal(IntentFilter filter, int match, 10158 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10159 // writer 10160 int callingUid = Binder.getCallingUid(); 10161 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10162 if (filter.countActions() == 0) { 10163 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10164 return; 10165 } 10166 synchronized (mPackages) { 10167 if (mContext.checkCallingOrSelfPermission( 10168 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10169 != PackageManager.PERMISSION_GRANTED) { 10170 if (getUidTargetSdkVersionLockedLPr(callingUid) 10171 < Build.VERSION_CODES.FROYO) { 10172 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10173 + callingUid); 10174 return; 10175 } 10176 mContext.enforceCallingOrSelfPermission( 10177 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10178 } 10179 10180 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10181 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10182 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10183 new PreferredActivity(filter, match, set, activity, always)); 10184 mSettings.writePackageRestrictionsLPr(userId); 10185 } 10186 } 10187 10188 public void replacePreferredActivity(IntentFilter filter, int match, 10189 ComponentName[] set, ComponentName activity) { 10190 if (filter.countActions() != 1) { 10191 throw new IllegalArgumentException( 10192 "replacePreferredActivity expects filter to have only 1 action."); 10193 } 10194 if (filter.countDataAuthorities() != 0 10195 || filter.countDataPaths() != 0 10196 || filter.countDataSchemes() > 1 10197 || filter.countDataTypes() != 0) { 10198 throw new IllegalArgumentException( 10199 "replacePreferredActivity expects filter to have no data authorities, " + 10200 "paths, or types; and at most one scheme."); 10201 } 10202 synchronized (mPackages) { 10203 if (mContext.checkCallingOrSelfPermission( 10204 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10205 != PackageManager.PERMISSION_GRANTED) { 10206 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10207 < Build.VERSION_CODES.FROYO) { 10208 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10209 + Binder.getCallingUid()); 10210 return; 10211 } 10212 mContext.enforceCallingOrSelfPermission( 10213 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10214 } 10215 10216 final int callingUserId = UserHandle.getCallingUserId(); 10217 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10218 if (pir != null) { 10219 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10220 if (filter.countDataSchemes() == 1) { 10221 Uri.Builder builder = new Uri.Builder(); 10222 builder.scheme(filter.getDataScheme(0)); 10223 intent.setData(builder.build()); 10224 } 10225 List<PreferredActivity> matches = pir.queryIntent( 10226 intent, null, true, callingUserId); 10227 if (DEBUG_PREFERRED) { 10228 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10229 } 10230 for (int i = 0; i < matches.size(); i++) { 10231 PreferredActivity pa = matches.get(i); 10232 if (DEBUG_PREFERRED) { 10233 Slog.i(TAG, "Removing preferred activity " 10234 + pa.mPref.mComponent + ":"); 10235 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10236 } 10237 pir.removeFilter(pa); 10238 } 10239 } 10240 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10241 } 10242 } 10243 10244 public void clearPackagePreferredActivities(String packageName) { 10245 final int uid = Binder.getCallingUid(); 10246 // writer 10247 synchronized (mPackages) { 10248 PackageParser.Package pkg = mPackages.get(packageName); 10249 if (pkg == null || pkg.applicationInfo.uid != uid) { 10250 if (mContext.checkCallingOrSelfPermission( 10251 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10252 != PackageManager.PERMISSION_GRANTED) { 10253 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10254 < Build.VERSION_CODES.FROYO) { 10255 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10256 + Binder.getCallingUid()); 10257 return; 10258 } 10259 mContext.enforceCallingOrSelfPermission( 10260 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10261 } 10262 } 10263 10264 int user = UserHandle.getCallingUserId(); 10265 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10266 mSettings.writePackageRestrictionsLPr(user); 10267 scheduleWriteSettingsLocked(); 10268 } 10269 } 10270 } 10271 10272 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10273 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10274 ArrayList<PreferredActivity> removed = null; 10275 boolean changed = false; 10276 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10277 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10278 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10279 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10280 continue; 10281 } 10282 Iterator<PreferredActivity> it = pir.filterIterator(); 10283 while (it.hasNext()) { 10284 PreferredActivity pa = it.next(); 10285 // Mark entry for removal only if it matches the package name 10286 // and the entry is of type "always". 10287 if (packageName == null || 10288 (pa.mPref.mComponent.getPackageName().equals(packageName) 10289 && pa.mPref.mAlways)) { 10290 if (removed == null) { 10291 removed = new ArrayList<PreferredActivity>(); 10292 } 10293 removed.add(pa); 10294 } 10295 } 10296 if (removed != null) { 10297 for (int j=0; j<removed.size(); j++) { 10298 PreferredActivity pa = removed.get(j); 10299 pir.removeFilter(pa); 10300 } 10301 changed = true; 10302 } 10303 } 10304 return changed; 10305 } 10306 10307 public void resetPreferredActivities(int userId) { 10308 mContext.enforceCallingOrSelfPermission( 10309 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10310 // writer 10311 synchronized (mPackages) { 10312 int user = UserHandle.getCallingUserId(); 10313 clearPackagePreferredActivitiesLPw(null, user); 10314 mSettings.readDefaultPreferredAppsLPw(this, user); 10315 mSettings.writePackageRestrictionsLPr(user); 10316 scheduleWriteSettingsLocked(); 10317 } 10318 } 10319 10320 public int getPreferredActivities(List<IntentFilter> outFilters, 10321 List<ComponentName> outActivities, String packageName) { 10322 10323 int num = 0; 10324 final int userId = UserHandle.getCallingUserId(); 10325 // reader 10326 synchronized (mPackages) { 10327 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10328 if (pir != null) { 10329 final Iterator<PreferredActivity> it = pir.filterIterator(); 10330 while (it.hasNext()) { 10331 final PreferredActivity pa = it.next(); 10332 if (packageName == null 10333 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10334 && pa.mPref.mAlways)) { 10335 if (outFilters != null) { 10336 outFilters.add(new IntentFilter(pa)); 10337 } 10338 if (outActivities != null) { 10339 outActivities.add(pa.mPref.mComponent); 10340 } 10341 } 10342 } 10343 } 10344 } 10345 10346 return num; 10347 } 10348 10349 @Override 10350 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10351 Intent intent = new Intent(Intent.ACTION_MAIN); 10352 intent.addCategory(Intent.CATEGORY_HOME); 10353 10354 final int callingUserId = UserHandle.getCallingUserId(); 10355 List<ResolveInfo> list = queryIntentActivities(intent, null, 10356 PackageManager.GET_META_DATA, callingUserId); 10357 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10358 true, false, false, callingUserId); 10359 10360 allHomeCandidates.clear(); 10361 if (list != null) { 10362 for (ResolveInfo ri : list) { 10363 allHomeCandidates.add(ri); 10364 } 10365 } 10366 return (preferred == null || preferred.activityInfo == null) 10367 ? null 10368 : new ComponentName(preferred.activityInfo.packageName, 10369 preferred.activityInfo.name); 10370 } 10371 10372 @Override 10373 public void setApplicationEnabledSetting(String appPackageName, 10374 int newState, int flags, int userId, String callingPackage) { 10375 if (!sUserManager.exists(userId)) return; 10376 if (callingPackage == null) { 10377 callingPackage = Integer.toString(Binder.getCallingUid()); 10378 } 10379 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10380 } 10381 10382 @Override 10383 public void setComponentEnabledSetting(ComponentName componentName, 10384 int newState, int flags, int userId) { 10385 if (!sUserManager.exists(userId)) return; 10386 setEnabledSetting(componentName.getPackageName(), 10387 componentName.getClassName(), newState, flags, userId, null); 10388 } 10389 10390 private void setEnabledSetting(final String packageName, String className, int newState, 10391 final int flags, int userId, String callingPackage) { 10392 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10393 || newState == COMPONENT_ENABLED_STATE_ENABLED 10394 || newState == COMPONENT_ENABLED_STATE_DISABLED 10395 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10396 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10397 throw new IllegalArgumentException("Invalid new component state: " 10398 + newState); 10399 } 10400 PackageSetting pkgSetting; 10401 final int uid = Binder.getCallingUid(); 10402 final int permission = mContext.checkCallingOrSelfPermission( 10403 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10404 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10405 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10406 boolean sendNow = false; 10407 boolean isApp = (className == null); 10408 String componentName = isApp ? packageName : className; 10409 int packageUid = -1; 10410 ArrayList<String> components; 10411 10412 // writer 10413 synchronized (mPackages) { 10414 pkgSetting = mSettings.mPackages.get(packageName); 10415 if (pkgSetting == null) { 10416 if (className == null) { 10417 throw new IllegalArgumentException( 10418 "Unknown package: " + packageName); 10419 } 10420 throw new IllegalArgumentException( 10421 "Unknown component: " + packageName 10422 + "/" + className); 10423 } 10424 // Allow root and verify that userId is not being specified by a different user 10425 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10426 throw new SecurityException( 10427 "Permission Denial: attempt to change component state from pid=" 10428 + Binder.getCallingPid() 10429 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10430 } 10431 if (className == null) { 10432 // We're dealing with an application/package level state change 10433 if (pkgSetting.getEnabled(userId) == newState) { 10434 // Nothing to do 10435 return; 10436 } 10437 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10438 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10439 // Don't care about who enables an app. 10440 callingPackage = null; 10441 } 10442 pkgSetting.setEnabled(newState, userId, callingPackage); 10443 // pkgSetting.pkg.mSetEnabled = newState; 10444 } else { 10445 // We're dealing with a component level state change 10446 // First, verify that this is a valid class name. 10447 PackageParser.Package pkg = pkgSetting.pkg; 10448 if (pkg == null || !pkg.hasComponentClassName(className)) { 10449 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10450 throw new IllegalArgumentException("Component class " + className 10451 + " does not exist in " + packageName); 10452 } else { 10453 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10454 + className + " does not exist in " + packageName); 10455 } 10456 } 10457 switch (newState) { 10458 case COMPONENT_ENABLED_STATE_ENABLED: 10459 if (!pkgSetting.enableComponentLPw(className, userId)) { 10460 return; 10461 } 10462 break; 10463 case COMPONENT_ENABLED_STATE_DISABLED: 10464 if (!pkgSetting.disableComponentLPw(className, userId)) { 10465 return; 10466 } 10467 break; 10468 case COMPONENT_ENABLED_STATE_DEFAULT: 10469 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10470 return; 10471 } 10472 break; 10473 default: 10474 Slog.e(TAG, "Invalid new component state: " + newState); 10475 return; 10476 } 10477 } 10478 mSettings.writePackageRestrictionsLPr(userId); 10479 components = mPendingBroadcasts.get(userId, packageName); 10480 final boolean newPackage = components == null; 10481 if (newPackage) { 10482 components = new ArrayList<String>(); 10483 } 10484 if (!components.contains(componentName)) { 10485 components.add(componentName); 10486 } 10487 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10488 sendNow = true; 10489 // Purge entry from pending broadcast list if another one exists already 10490 // since we are sending one right away. 10491 mPendingBroadcasts.remove(userId, packageName); 10492 } else { 10493 if (newPackage) { 10494 mPendingBroadcasts.put(userId, packageName, components); 10495 } 10496 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10497 // Schedule a message 10498 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10499 } 10500 } 10501 } 10502 10503 long callingId = Binder.clearCallingIdentity(); 10504 try { 10505 if (sendNow) { 10506 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10507 sendPackageChangedBroadcast(packageName, 10508 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10509 } 10510 } finally { 10511 Binder.restoreCallingIdentity(callingId); 10512 } 10513 } 10514 10515 private void sendPackageChangedBroadcast(String packageName, 10516 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10517 if (DEBUG_INSTALL) 10518 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10519 + componentNames); 10520 Bundle extras = new Bundle(4); 10521 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10522 String nameList[] = new String[componentNames.size()]; 10523 componentNames.toArray(nameList); 10524 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10525 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10526 extras.putInt(Intent.EXTRA_UID, packageUid); 10527 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10528 new int[] {UserHandle.getUserId(packageUid)}); 10529 } 10530 10531 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10532 if (!sUserManager.exists(userId)) return; 10533 final int uid = Binder.getCallingUid(); 10534 final int permission = mContext.checkCallingOrSelfPermission( 10535 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10536 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10537 enforceCrossUserPermission(uid, userId, true, "stop package"); 10538 // writer 10539 synchronized (mPackages) { 10540 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10541 uid, userId)) { 10542 scheduleWritePackageRestrictionsLocked(userId); 10543 } 10544 } 10545 } 10546 10547 public String getInstallerPackageName(String packageName) { 10548 // reader 10549 synchronized (mPackages) { 10550 return mSettings.getInstallerPackageNameLPr(packageName); 10551 } 10552 } 10553 10554 @Override 10555 public int getApplicationEnabledSetting(String packageName, int userId) { 10556 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10557 int uid = Binder.getCallingUid(); 10558 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10559 // reader 10560 synchronized (mPackages) { 10561 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10562 } 10563 } 10564 10565 @Override 10566 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10567 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10568 int uid = Binder.getCallingUid(); 10569 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10570 // reader 10571 synchronized (mPackages) { 10572 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10573 } 10574 } 10575 10576 public void enterSafeMode() { 10577 enforceSystemOrRoot("Only the system can request entering safe mode"); 10578 10579 if (!mSystemReady) { 10580 mSafeMode = true; 10581 } 10582 } 10583 10584 public void systemReady() { 10585 mSystemReady = true; 10586 10587 // Read the compatibilty setting when the system is ready. 10588 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10589 mContext.getContentResolver(), 10590 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10591 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10592 if (DEBUG_SETTINGS) { 10593 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10594 } 10595 10596 synchronized (mPackages) { 10597 // Verify that all of the preferred activity components actually 10598 // exist. It is possible for applications to be updated and at 10599 // that point remove a previously declared activity component that 10600 // had been set as a preferred activity. We try to clean this up 10601 // the next time we encounter that preferred activity, but it is 10602 // possible for the user flow to never be able to return to that 10603 // situation so here we do a sanity check to make sure we haven't 10604 // left any junk around. 10605 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10606 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10607 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10608 removed.clear(); 10609 for (PreferredActivity pa : pir.filterSet()) { 10610 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10611 removed.add(pa); 10612 } 10613 } 10614 if (removed.size() > 0) { 10615 for (int j=0; j<removed.size(); j++) { 10616 PreferredActivity pa = removed.get(i); 10617 Slog.w(TAG, "Removing dangling preferred activity: " 10618 + pa.mPref.mComponent); 10619 pir.removeFilter(pa); 10620 } 10621 mSettings.writePackageRestrictionsLPr( 10622 mSettings.mPreferredActivities.keyAt(i)); 10623 } 10624 } 10625 } 10626 sUserManager.systemReady(); 10627 } 10628 10629 public boolean isSafeMode() { 10630 return mSafeMode; 10631 } 10632 10633 public boolean hasSystemUidErrors() { 10634 return mHasSystemUidErrors; 10635 } 10636 10637 static String arrayToString(int[] array) { 10638 StringBuffer buf = new StringBuffer(128); 10639 buf.append('['); 10640 if (array != null) { 10641 for (int i=0; i<array.length; i++) { 10642 if (i > 0) buf.append(", "); 10643 buf.append(array[i]); 10644 } 10645 } 10646 buf.append(']'); 10647 return buf.toString(); 10648 } 10649 10650 static class DumpState { 10651 public static final int DUMP_LIBS = 1 << 0; 10652 10653 public static final int DUMP_FEATURES = 1 << 1; 10654 10655 public static final int DUMP_RESOLVERS = 1 << 2; 10656 10657 public static final int DUMP_PERMISSIONS = 1 << 3; 10658 10659 public static final int DUMP_PACKAGES = 1 << 4; 10660 10661 public static final int DUMP_SHARED_USERS = 1 << 5; 10662 10663 public static final int DUMP_MESSAGES = 1 << 6; 10664 10665 public static final int DUMP_PROVIDERS = 1 << 7; 10666 10667 public static final int DUMP_VERIFIERS = 1 << 8; 10668 10669 public static final int DUMP_PREFERRED = 1 << 9; 10670 10671 public static final int DUMP_PREFERRED_XML = 1 << 10; 10672 10673 public static final int DUMP_KEYSETS = 1 << 11; 10674 10675 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10676 10677 private int mTypes; 10678 10679 private int mOptions; 10680 10681 private boolean mTitlePrinted; 10682 10683 private SharedUserSetting mSharedUser; 10684 10685 public boolean isDumping(int type) { 10686 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10687 return true; 10688 } 10689 10690 return (mTypes & type) != 0; 10691 } 10692 10693 public void setDump(int type) { 10694 mTypes |= type; 10695 } 10696 10697 public boolean isOptionEnabled(int option) { 10698 return (mOptions & option) != 0; 10699 } 10700 10701 public void setOptionEnabled(int option) { 10702 mOptions |= option; 10703 } 10704 10705 public boolean onTitlePrinted() { 10706 final boolean printed = mTitlePrinted; 10707 mTitlePrinted = true; 10708 return printed; 10709 } 10710 10711 public boolean getTitlePrinted() { 10712 return mTitlePrinted; 10713 } 10714 10715 public void setTitlePrinted(boolean enabled) { 10716 mTitlePrinted = enabled; 10717 } 10718 10719 public SharedUserSetting getSharedUser() { 10720 return mSharedUser; 10721 } 10722 10723 public void setSharedUser(SharedUserSetting user) { 10724 mSharedUser = user; 10725 } 10726 } 10727 10728 @Override 10729 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10730 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10731 != PackageManager.PERMISSION_GRANTED) { 10732 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10733 + Binder.getCallingPid() 10734 + ", uid=" + Binder.getCallingUid() 10735 + " without permission " 10736 + android.Manifest.permission.DUMP); 10737 return; 10738 } 10739 10740 DumpState dumpState = new DumpState(); 10741 boolean fullPreferred = false; 10742 boolean checkin = false; 10743 10744 String packageName = null; 10745 10746 int opti = 0; 10747 while (opti < args.length) { 10748 String opt = args[opti]; 10749 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10750 break; 10751 } 10752 opti++; 10753 if ("-a".equals(opt)) { 10754 // Right now we only know how to print all. 10755 } else if ("-h".equals(opt)) { 10756 pw.println("Package manager dump options:"); 10757 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10758 pw.println(" --checkin: dump for a checkin"); 10759 pw.println(" -f: print details of intent filters"); 10760 pw.println(" -h: print this help"); 10761 pw.println(" cmd may be one of:"); 10762 pw.println(" l[ibraries]: list known shared libraries"); 10763 pw.println(" f[ibraries]: list device features"); 10764 pw.println(" r[esolvers]: dump intent resolvers"); 10765 pw.println(" perm[issions]: dump permissions"); 10766 pw.println(" pref[erred]: print preferred package settings"); 10767 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10768 pw.println(" prov[iders]: dump content providers"); 10769 pw.println(" p[ackages]: dump installed packages"); 10770 pw.println(" s[hared-users]: dump shared user IDs"); 10771 pw.println(" m[essages]: print collected runtime messages"); 10772 pw.println(" v[erifiers]: print package verifier info"); 10773 pw.println(" <package.name>: info about given package"); 10774 pw.println(" k[eysets]: print known keysets"); 10775 return; 10776 } else if ("--checkin".equals(opt)) { 10777 checkin = true; 10778 } else if ("-f".equals(opt)) { 10779 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10780 } else { 10781 pw.println("Unknown argument: " + opt + "; use -h for help"); 10782 } 10783 } 10784 10785 // Is the caller requesting to dump a particular piece of data? 10786 if (opti < args.length) { 10787 String cmd = args[opti]; 10788 opti++; 10789 // Is this a package name? 10790 if ("android".equals(cmd) || cmd.contains(".")) { 10791 packageName = cmd; 10792 // When dumping a single package, we always dump all of its 10793 // filter information since the amount of data will be reasonable. 10794 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10795 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10796 dumpState.setDump(DumpState.DUMP_LIBS); 10797 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10798 dumpState.setDump(DumpState.DUMP_FEATURES); 10799 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10800 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10801 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10802 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10803 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10804 dumpState.setDump(DumpState.DUMP_PREFERRED); 10805 } else if ("preferred-xml".equals(cmd)) { 10806 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10807 if (opti < args.length && "--full".equals(args[opti])) { 10808 fullPreferred = true; 10809 opti++; 10810 } 10811 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10812 dumpState.setDump(DumpState.DUMP_PACKAGES); 10813 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10814 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10815 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10816 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10817 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10818 dumpState.setDump(DumpState.DUMP_MESSAGES); 10819 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10820 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10821 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10822 dumpState.setDump(DumpState.DUMP_KEYSETS); 10823 } 10824 } 10825 10826 if (checkin) { 10827 pw.println("vers,1"); 10828 } 10829 10830 // reader 10831 synchronized (mPackages) { 10832 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10833 if (!checkin) { 10834 if (dumpState.onTitlePrinted()) 10835 pw.println(); 10836 pw.println("Verifiers:"); 10837 pw.print(" Required: "); 10838 pw.print(mRequiredVerifierPackage); 10839 pw.print(" (uid="); 10840 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10841 pw.println(")"); 10842 } else if (mRequiredVerifierPackage != null) { 10843 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10844 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10845 } 10846 } 10847 10848 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10849 boolean printedHeader = false; 10850 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10851 while (it.hasNext()) { 10852 String name = it.next(); 10853 SharedLibraryEntry ent = mSharedLibraries.get(name); 10854 if (!checkin) { 10855 if (!printedHeader) { 10856 if (dumpState.onTitlePrinted()) 10857 pw.println(); 10858 pw.println("Libraries:"); 10859 printedHeader = true; 10860 } 10861 pw.print(" "); 10862 } else { 10863 pw.print("lib,"); 10864 } 10865 pw.print(name); 10866 if (!checkin) { 10867 pw.print(" -> "); 10868 } 10869 if (ent.path != null) { 10870 if (!checkin) { 10871 pw.print("(jar) "); 10872 pw.print(ent.path); 10873 } else { 10874 pw.print(",jar,"); 10875 pw.print(ent.path); 10876 } 10877 } else { 10878 if (!checkin) { 10879 pw.print("(apk) "); 10880 pw.print(ent.apk); 10881 } else { 10882 pw.print(",apk,"); 10883 pw.print(ent.apk); 10884 } 10885 } 10886 pw.println(); 10887 } 10888 } 10889 10890 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 10891 if (dumpState.onTitlePrinted()) 10892 pw.println(); 10893 if (!checkin) { 10894 pw.println("Features:"); 10895 } 10896 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 10897 while (it.hasNext()) { 10898 String name = it.next(); 10899 if (!checkin) { 10900 pw.print(" "); 10901 } else { 10902 pw.print("feat,"); 10903 } 10904 pw.println(name); 10905 } 10906 } 10907 10908 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 10909 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 10910 : "Activity Resolver Table:", " ", packageName, 10911 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10912 dumpState.setTitlePrinted(true); 10913 } 10914 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 10915 : "Receiver Resolver Table:", " ", packageName, 10916 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10917 dumpState.setTitlePrinted(true); 10918 } 10919 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 10920 : "Service Resolver Table:", " ", packageName, 10921 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10922 dumpState.setTitlePrinted(true); 10923 } 10924 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 10925 : "Provider Resolver Table:", " ", packageName, 10926 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 10927 dumpState.setTitlePrinted(true); 10928 } 10929 } 10930 10931 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 10932 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10933 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10934 int user = mSettings.mPreferredActivities.keyAt(i); 10935 if (pir.dump(pw, 10936 dumpState.getTitlePrinted() 10937 ? "\nPreferred Activities User " + user + ":" 10938 : "Preferred Activities User " + user + ":", " ", 10939 packageName, true)) { 10940 dumpState.setTitlePrinted(true); 10941 } 10942 } 10943 } 10944 10945 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 10946 pw.flush(); 10947 FileOutputStream fout = new FileOutputStream(fd); 10948 BufferedOutputStream str = new BufferedOutputStream(fout); 10949 XmlSerializer serializer = new FastXmlSerializer(); 10950 try { 10951 serializer.setOutput(str, "utf-8"); 10952 serializer.startDocument(null, true); 10953 serializer.setFeature( 10954 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 10955 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 10956 serializer.endDocument(); 10957 serializer.flush(); 10958 } catch (IllegalArgumentException e) { 10959 pw.println("Failed writing: " + e); 10960 } catch (IllegalStateException e) { 10961 pw.println("Failed writing: " + e); 10962 } catch (IOException e) { 10963 pw.println("Failed writing: " + e); 10964 } 10965 } 10966 10967 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 10968 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 10969 } 10970 10971 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 10972 boolean printedSomething = false; 10973 for (PackageParser.Provider p : mProviders.mProviders.values()) { 10974 if (packageName != null && !packageName.equals(p.info.packageName)) { 10975 continue; 10976 } 10977 if (!printedSomething) { 10978 if (dumpState.onTitlePrinted()) 10979 pw.println(); 10980 pw.println("Registered ContentProviders:"); 10981 printedSomething = true; 10982 } 10983 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 10984 pw.print(" "); pw.println(p.toString()); 10985 } 10986 printedSomething = false; 10987 for (Map.Entry<String, PackageParser.Provider> entry : 10988 mProvidersByAuthority.entrySet()) { 10989 PackageParser.Provider p = entry.getValue(); 10990 if (packageName != null && !packageName.equals(p.info.packageName)) { 10991 continue; 10992 } 10993 if (!printedSomething) { 10994 if (dumpState.onTitlePrinted()) 10995 pw.println(); 10996 pw.println("ContentProvider Authorities:"); 10997 printedSomething = true; 10998 } 10999 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11000 pw.print(" "); pw.println(p.toString()); 11001 if (p.info != null && p.info.applicationInfo != null) { 11002 final String appInfo = p.info.applicationInfo.toString(); 11003 pw.print(" applicationInfo="); pw.println(appInfo); 11004 } 11005 } 11006 } 11007 11008 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11009 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11010 } 11011 11012 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11013 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11014 } 11015 11016 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11017 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11018 } 11019 11020 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11021 if (dumpState.onTitlePrinted()) 11022 pw.println(); 11023 mSettings.dumpReadMessagesLPr(pw, dumpState); 11024 11025 pw.println(); 11026 pw.println("Package warning messages:"); 11027 final File fname = getSettingsProblemFile(); 11028 FileInputStream in = null; 11029 try { 11030 in = new FileInputStream(fname); 11031 final int avail = in.available(); 11032 final byte[] data = new byte[avail]; 11033 in.read(data); 11034 pw.print(new String(data)); 11035 } catch (FileNotFoundException e) { 11036 } catch (IOException e) { 11037 } finally { 11038 if (in != null) { 11039 try { 11040 in.close(); 11041 } catch (IOException e) { 11042 } 11043 } 11044 } 11045 } 11046 } 11047 } 11048 11049 // ------- apps on sdcard specific code ------- 11050 static final boolean DEBUG_SD_INSTALL = false; 11051 11052 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11053 11054 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11055 11056 private boolean mMediaMounted = false; 11057 11058 private String getEncryptKey() { 11059 try { 11060 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11061 SD_ENCRYPTION_KEYSTORE_NAME); 11062 if (sdEncKey == null) { 11063 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11064 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11065 if (sdEncKey == null) { 11066 Slog.e(TAG, "Failed to create encryption keys"); 11067 return null; 11068 } 11069 } 11070 return sdEncKey; 11071 } catch (NoSuchAlgorithmException nsae) { 11072 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11073 return null; 11074 } catch (IOException ioe) { 11075 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11076 return null; 11077 } 11078 11079 } 11080 11081 /* package */static String getTempContainerId() { 11082 int tmpIdx = 1; 11083 String list[] = PackageHelper.getSecureContainerList(); 11084 if (list != null) { 11085 for (final String name : list) { 11086 // Ignore null and non-temporary container entries 11087 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11088 continue; 11089 } 11090 11091 String subStr = name.substring(mTempContainerPrefix.length()); 11092 try { 11093 int cid = Integer.parseInt(subStr); 11094 if (cid >= tmpIdx) { 11095 tmpIdx = cid + 1; 11096 } 11097 } catch (NumberFormatException e) { 11098 } 11099 } 11100 } 11101 return mTempContainerPrefix + tmpIdx; 11102 } 11103 11104 /* 11105 * Update media status on PackageManager. 11106 */ 11107 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11108 int callingUid = Binder.getCallingUid(); 11109 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11110 throw new SecurityException("Media status can only be updated by the system"); 11111 } 11112 // reader; this apparently protects mMediaMounted, but should probably 11113 // be a different lock in that case. 11114 synchronized (mPackages) { 11115 Log.i(TAG, "Updating external media status from " 11116 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11117 + (mediaStatus ? "mounted" : "unmounted")); 11118 if (DEBUG_SD_INSTALL) 11119 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11120 + ", mMediaMounted=" + mMediaMounted); 11121 if (mediaStatus == mMediaMounted) { 11122 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11123 : 0, -1); 11124 mHandler.sendMessage(msg); 11125 return; 11126 } 11127 mMediaMounted = mediaStatus; 11128 } 11129 // Queue up an async operation since the package installation may take a 11130 // little while. 11131 mHandler.post(new Runnable() { 11132 public void run() { 11133 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11134 } 11135 }); 11136 } 11137 11138 /** 11139 * Called by MountService when the initial ASECs to scan are available. 11140 * Should block until all the ASEC containers are finished being scanned. 11141 */ 11142 public void scanAvailableAsecs() { 11143 updateExternalMediaStatusInner(true, false, false); 11144 if (mShouldRestoreconData) { 11145 SELinuxMMAC.setRestoreconDone(); 11146 mShouldRestoreconData = false; 11147 } 11148 } 11149 11150 /* 11151 * Collect information of applications on external media, map them against 11152 * existing containers and update information based on current mount status. 11153 * Please note that we always have to report status if reportStatus has been 11154 * set to true especially when unloading packages. 11155 */ 11156 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11157 boolean externalStorage) { 11158 // Collection of uids 11159 int uidArr[] = null; 11160 // Collection of stale containers 11161 HashSet<String> removeCids = new HashSet<String>(); 11162 // Collection of packages on external media with valid containers. 11163 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11164 // Get list of secure containers. 11165 final String list[] = PackageHelper.getSecureContainerList(); 11166 if (list == null || list.length == 0) { 11167 Log.i(TAG, "No secure containers on sdcard"); 11168 } else { 11169 // Process list of secure containers and categorize them 11170 // as active or stale based on their package internal state. 11171 int uidList[] = new int[list.length]; 11172 int num = 0; 11173 // reader 11174 synchronized (mPackages) { 11175 for (String cid : list) { 11176 if (DEBUG_SD_INSTALL) 11177 Log.i(TAG, "Processing container " + cid); 11178 String pkgName = getAsecPackageName(cid); 11179 if (pkgName == null) { 11180 if (DEBUG_SD_INSTALL) 11181 Log.i(TAG, "Container : " + cid + " stale"); 11182 removeCids.add(cid); 11183 continue; 11184 } 11185 if (DEBUG_SD_INSTALL) 11186 Log.i(TAG, "Looking for pkg : " + pkgName); 11187 11188 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11189 if (ps == null) { 11190 Log.i(TAG, "Deleting container with no matching settings " + cid); 11191 removeCids.add(cid); 11192 continue; 11193 } 11194 11195 /* 11196 * Skip packages that are not external if we're unmounting 11197 * external storage. 11198 */ 11199 if (externalStorage && !isMounted && !isExternal(ps)) { 11200 continue; 11201 } 11202 11203 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11204 // The package status is changed only if the code path 11205 // matches between settings and the container id. 11206 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11207 if (DEBUG_SD_INSTALL) { 11208 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11209 + " at code path: " + ps.codePathString); 11210 } 11211 11212 // We do have a valid package installed on sdcard 11213 processCids.put(args, ps.codePathString); 11214 final int uid = ps.appId; 11215 if (uid != -1) { 11216 uidList[num++] = uid; 11217 } 11218 } else { 11219 Log.i(TAG, "Deleting stale container for " + cid); 11220 removeCids.add(cid); 11221 } 11222 } 11223 } 11224 11225 if (num > 0) { 11226 // Sort uid list 11227 Arrays.sort(uidList, 0, num); 11228 // Throw away duplicates 11229 uidArr = new int[num]; 11230 uidArr[0] = uidList[0]; 11231 int di = 0; 11232 for (int i = 1; i < num; i++) { 11233 if (uidList[i - 1] != uidList[i]) { 11234 uidArr[di++] = uidList[i]; 11235 } 11236 } 11237 } 11238 } 11239 // Process packages with valid entries. 11240 if (isMounted) { 11241 if (DEBUG_SD_INSTALL) 11242 Log.i(TAG, "Loading packages"); 11243 loadMediaPackages(processCids, uidArr, removeCids); 11244 startCleaningPackages(); 11245 } else { 11246 if (DEBUG_SD_INSTALL) 11247 Log.i(TAG, "Unloading packages"); 11248 unloadMediaPackages(processCids, uidArr, reportStatus); 11249 } 11250 } 11251 11252 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11253 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11254 int size = pkgList.size(); 11255 if (size > 0) { 11256 // Send broadcasts here 11257 Bundle extras = new Bundle(); 11258 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11259 .toArray(new String[size])); 11260 if (uidArr != null) { 11261 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11262 } 11263 if (replacing) { 11264 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11265 } 11266 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11267 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11268 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11269 } 11270 } 11271 11272 /* 11273 * Look at potentially valid container ids from processCids If package 11274 * information doesn't match the one on record or package scanning fails, 11275 * the cid is added to list of removeCids. We currently don't delete stale 11276 * containers. 11277 */ 11278 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11279 HashSet<String> removeCids) { 11280 ArrayList<String> pkgList = new ArrayList<String>(); 11281 Set<AsecInstallArgs> keys = processCids.keySet(); 11282 boolean doGc = false; 11283 for (AsecInstallArgs args : keys) { 11284 String codePath = processCids.get(args); 11285 if (DEBUG_SD_INSTALL) 11286 Log.i(TAG, "Loading container : " + args.cid); 11287 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11288 try { 11289 // Make sure there are no container errors first. 11290 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11291 Slog.e(TAG, "Failed to mount cid : " + args.cid 11292 + " when installing from sdcard"); 11293 continue; 11294 } 11295 // Check code path here. 11296 if (codePath == null || !codePath.equals(args.getCodePath())) { 11297 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11298 + " does not match one in settings " + codePath); 11299 continue; 11300 } 11301 // Parse package 11302 int parseFlags = mDefParseFlags; 11303 if (args.isExternal()) { 11304 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11305 } 11306 if (args.isFwdLocked()) { 11307 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11308 } 11309 11310 doGc = true; 11311 synchronized (mInstallLock) { 11312 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11313 0, 0, null); 11314 // Scan the package 11315 if (pkg != null) { 11316 /* 11317 * TODO why is the lock being held? doPostInstall is 11318 * called in other places without the lock. This needs 11319 * to be straightened out. 11320 */ 11321 // writer 11322 synchronized (mPackages) { 11323 retCode = PackageManager.INSTALL_SUCCEEDED; 11324 pkgList.add(pkg.packageName); 11325 // Post process args 11326 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11327 pkg.applicationInfo.uid); 11328 } 11329 } else { 11330 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11331 } 11332 } 11333 11334 } finally { 11335 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11336 // Don't destroy container here. Wait till gc clears things 11337 // up. 11338 removeCids.add(args.cid); 11339 } 11340 } 11341 } 11342 // writer 11343 synchronized (mPackages) { 11344 // If the platform SDK has changed since the last time we booted, 11345 // we need to re-grant app permission to catch any new ones that 11346 // appear. This is really a hack, and means that apps can in some 11347 // cases get permissions that the user didn't initially explicitly 11348 // allow... it would be nice to have some better way to handle 11349 // this situation. 11350 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11351 if (regrantPermissions) 11352 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11353 + mSdkVersion + "; regranting permissions for external storage"); 11354 mSettings.mExternalSdkPlatform = mSdkVersion; 11355 11356 // Make sure group IDs have been assigned, and any permission 11357 // changes in other apps are accounted for 11358 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11359 | (regrantPermissions 11360 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11361 : 0)); 11362 // can downgrade to reader 11363 // Persist settings 11364 mSettings.writeLPr(); 11365 } 11366 // Send a broadcast to let everyone know we are done processing 11367 if (pkgList.size() > 0) { 11368 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11369 } 11370 // Force gc to avoid any stale parser references that we might have. 11371 if (doGc) { 11372 Runtime.getRuntime().gc(); 11373 } 11374 // List stale containers and destroy stale temporary containers. 11375 if (removeCids != null) { 11376 for (String cid : removeCids) { 11377 if (cid.startsWith(mTempContainerPrefix)) { 11378 Log.i(TAG, "Destroying stale temporary container " + cid); 11379 PackageHelper.destroySdDir(cid); 11380 } else { 11381 Log.w(TAG, "Container " + cid + " is stale"); 11382 } 11383 } 11384 } 11385 } 11386 11387 /* 11388 * Utility method to unload a list of specified containers 11389 */ 11390 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11391 // Just unmount all valid containers. 11392 for (AsecInstallArgs arg : cidArgs) { 11393 synchronized (mInstallLock) { 11394 arg.doPostDeleteLI(false); 11395 } 11396 } 11397 } 11398 11399 /* 11400 * Unload packages mounted on external media. This involves deleting package 11401 * data from internal structures, sending broadcasts about diabled packages, 11402 * gc'ing to free up references, unmounting all secure containers 11403 * corresponding to packages on external media, and posting a 11404 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11405 * that we always have to post this message if status has been requested no 11406 * matter what. 11407 */ 11408 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11409 final boolean reportStatus) { 11410 if (DEBUG_SD_INSTALL) 11411 Log.i(TAG, "unloading media packages"); 11412 ArrayList<String> pkgList = new ArrayList<String>(); 11413 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11414 final Set<AsecInstallArgs> keys = processCids.keySet(); 11415 for (AsecInstallArgs args : keys) { 11416 String pkgName = args.getPackageName(); 11417 if (DEBUG_SD_INSTALL) 11418 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11419 // Delete package internally 11420 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11421 synchronized (mInstallLock) { 11422 boolean res = deletePackageLI(pkgName, null, false, null, null, 11423 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11424 if (res) { 11425 pkgList.add(pkgName); 11426 } else { 11427 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11428 failedList.add(args); 11429 } 11430 } 11431 } 11432 11433 // reader 11434 synchronized (mPackages) { 11435 // We didn't update the settings after removing each package; 11436 // write them now for all packages. 11437 mSettings.writeLPr(); 11438 } 11439 11440 // We have to absolutely send UPDATED_MEDIA_STATUS only 11441 // after confirming that all the receivers processed the ordered 11442 // broadcast when packages get disabled, force a gc to clean things up. 11443 // and unload all the containers. 11444 if (pkgList.size() > 0) { 11445 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11446 new IIntentReceiver.Stub() { 11447 public void performReceive(Intent intent, int resultCode, String data, 11448 Bundle extras, boolean ordered, boolean sticky, 11449 int sendingUser) throws RemoteException { 11450 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11451 reportStatus ? 1 : 0, 1, keys); 11452 mHandler.sendMessage(msg); 11453 } 11454 }); 11455 } else { 11456 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11457 keys); 11458 mHandler.sendMessage(msg); 11459 } 11460 } 11461 11462 /** Binder call */ 11463 @Override 11464 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11465 final int flags) { 11466 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11467 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11468 int returnCode = PackageManager.MOVE_SUCCEEDED; 11469 int currFlags = 0; 11470 int newFlags = 0; 11471 // reader 11472 synchronized (mPackages) { 11473 PackageParser.Package pkg = mPackages.get(packageName); 11474 if (pkg == null) { 11475 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11476 } else { 11477 // Disable moving fwd locked apps and system packages 11478 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11479 Slog.w(TAG, "Cannot move system application"); 11480 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11481 } else if (pkg.mOperationPending) { 11482 Slog.w(TAG, "Attempt to move package which has pending operations"); 11483 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11484 } else { 11485 // Find install location first 11486 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11487 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11488 Slog.w(TAG, "Ambigous flags specified for move location."); 11489 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11490 } else { 11491 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11492 : PackageManager.INSTALL_INTERNAL; 11493 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11494 : PackageManager.INSTALL_INTERNAL; 11495 11496 if (newFlags == currFlags) { 11497 Slog.w(TAG, "No move required. Trying to move to same location"); 11498 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11499 } else { 11500 if (isForwardLocked(pkg)) { 11501 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11502 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11503 } 11504 } 11505 } 11506 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11507 pkg.mOperationPending = true; 11508 } 11509 } 11510 } 11511 11512 /* 11513 * TODO this next block probably shouldn't be inside the lock. We 11514 * can't guarantee these won't change after this is fired off 11515 * anyway. 11516 */ 11517 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11518 processPendingMove(new MoveParams(null, observer, 0, packageName, 11519 null, -1, user), 11520 returnCode); 11521 } else { 11522 Message msg = mHandler.obtainMessage(INIT_COPY); 11523 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11524 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11525 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11526 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11527 msg.obj = mp; 11528 mHandler.sendMessage(msg); 11529 } 11530 } 11531 } 11532 11533 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11534 // Queue up an async operation since the package deletion may take a 11535 // little while. 11536 mHandler.post(new Runnable() { 11537 public void run() { 11538 // TODO fix this; this does nothing. 11539 mHandler.removeCallbacks(this); 11540 int returnCode = currentStatus; 11541 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11542 int uidArr[] = null; 11543 ArrayList<String> pkgList = null; 11544 synchronized (mPackages) { 11545 PackageParser.Package pkg = mPackages.get(mp.packageName); 11546 if (pkg == null) { 11547 Slog.w(TAG, " Package " + mp.packageName 11548 + " doesn't exist. Aborting move"); 11549 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11550 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11551 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11552 + mp.srcArgs.getCodePath() + " to " 11553 + pkg.applicationInfo.sourceDir 11554 + " Aborting move and returning error"); 11555 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11556 } else { 11557 uidArr = new int[] { 11558 pkg.applicationInfo.uid 11559 }; 11560 pkgList = new ArrayList<String>(); 11561 pkgList.add(mp.packageName); 11562 } 11563 } 11564 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11565 // Send resources unavailable broadcast 11566 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11567 // Update package code and resource paths 11568 synchronized (mInstallLock) { 11569 synchronized (mPackages) { 11570 PackageParser.Package pkg = mPackages.get(mp.packageName); 11571 // Recheck for package again. 11572 if (pkg == null) { 11573 Slog.w(TAG, " Package " + mp.packageName 11574 + " doesn't exist. Aborting move"); 11575 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11576 } else if (!mp.srcArgs.getCodePath().equals( 11577 pkg.applicationInfo.sourceDir)) { 11578 Slog.w(TAG, "Package " + mp.packageName 11579 + " code path changed from " + mp.srcArgs.getCodePath() 11580 + " to " + pkg.applicationInfo.sourceDir 11581 + " Aborting move and returning error"); 11582 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11583 } else { 11584 final String oldCodePath = pkg.mPath; 11585 final String newCodePath = mp.targetArgs.getCodePath(); 11586 final String newResPath = mp.targetArgs.getResourcePath(); 11587 final String newNativePath = mp.targetArgs 11588 .getNativeLibraryPath(); 11589 11590 final File newNativeDir = new File(newNativePath); 11591 11592 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11593 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11594 new File(newCodePath), newNativeDir); 11595 } 11596 final int[] users = sUserManager.getUserIds(); 11597 for (int user : users) { 11598 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11599 newNativePath, user) < 0) { 11600 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11601 } 11602 } 11603 11604 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11605 pkg.mPath = newCodePath; 11606 // Move dex files around 11607 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11608 // Moving of dex files failed. Set 11609 // error code and abort move. 11610 pkg.mPath = pkg.mScanPath; 11611 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11612 } 11613 } 11614 11615 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11616 pkg.mScanPath = newCodePath; 11617 pkg.applicationInfo.sourceDir = newCodePath; 11618 pkg.applicationInfo.publicSourceDir = newResPath; 11619 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11620 PackageSetting ps = (PackageSetting) pkg.mExtras; 11621 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11622 ps.codePathString = ps.codePath.getPath(); 11623 ps.resourcePath = new File( 11624 pkg.applicationInfo.publicSourceDir); 11625 ps.resourcePathString = ps.resourcePath.getPath(); 11626 ps.nativeLibraryPathString = newNativePath; 11627 // Set the application info flag 11628 // correctly. 11629 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11630 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11631 } else { 11632 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11633 } 11634 ps.setFlags(pkg.applicationInfo.flags); 11635 mAppDirs.remove(oldCodePath); 11636 mAppDirs.put(newCodePath, pkg); 11637 // Persist settings 11638 mSettings.writeLPr(); 11639 } 11640 } 11641 } 11642 } 11643 // Send resources available broadcast 11644 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11645 } 11646 } 11647 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11648 // Clean up failed installation 11649 if (mp.targetArgs != null) { 11650 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11651 -1); 11652 } 11653 } else { 11654 // Force a gc to clear things up. 11655 Runtime.getRuntime().gc(); 11656 // Delete older code 11657 synchronized (mInstallLock) { 11658 mp.srcArgs.doPostDeleteLI(true); 11659 } 11660 } 11661 11662 // Allow more operations on this file if we didn't fail because 11663 // an operation was already pending for this package. 11664 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11665 synchronized (mPackages) { 11666 PackageParser.Package pkg = mPackages.get(mp.packageName); 11667 if (pkg != null) { 11668 pkg.mOperationPending = false; 11669 } 11670 } 11671 } 11672 11673 IPackageMoveObserver observer = mp.observer; 11674 if (observer != null) { 11675 try { 11676 observer.packageMoved(mp.packageName, returnCode); 11677 } catch (RemoteException e) { 11678 Log.i(TAG, "Observer no longer exists."); 11679 } 11680 } 11681 } 11682 }); 11683 } 11684 11685 public boolean setInstallLocation(int loc) { 11686 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11687 null); 11688 if (getInstallLocation() == loc) { 11689 return true; 11690 } 11691 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11692 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11693 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11694 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11695 return true; 11696 } 11697 return false; 11698 } 11699 11700 public int getInstallLocation() { 11701 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11702 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11703 PackageHelper.APP_INSTALL_AUTO); 11704 } 11705 11706 /** Called by UserManagerService */ 11707 void cleanUpUserLILPw(int userHandle) { 11708 mDirtyUsers.remove(userHandle); 11709 mSettings.removeUserLPr(userHandle); 11710 mPendingBroadcasts.remove(userHandle); 11711 if (mInstaller != null) { 11712 // Technically, we shouldn't be doing this with the package lock 11713 // held. However, this is very rare, and there is already so much 11714 // other disk I/O going on, that we'll let it slide for now. 11715 mInstaller.removeUserDataDirs(userHandle); 11716 } 11717 } 11718 11719 /** Called by UserManagerService */ 11720 void createNewUserLILPw(int userHandle, File path) { 11721 if (mInstaller != null) { 11722 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11723 } 11724 } 11725 11726 @Override 11727 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11728 mContext.enforceCallingOrSelfPermission( 11729 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11730 "Only package verification agents can read the verifier device identity"); 11731 11732 synchronized (mPackages) { 11733 return mSettings.getVerifierDeviceIdentityLPw(); 11734 } 11735 } 11736 11737 @Override 11738 public void setPermissionEnforced(String permission, boolean enforced) { 11739 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11740 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11741 synchronized (mPackages) { 11742 if (mSettings.mReadExternalStorageEnforced == null 11743 || mSettings.mReadExternalStorageEnforced != enforced) { 11744 mSettings.mReadExternalStorageEnforced = enforced; 11745 mSettings.writeLPr(); 11746 } 11747 } 11748 // kill any non-foreground processes so we restart them and 11749 // grant/revoke the GID. 11750 final IActivityManager am = ActivityManagerNative.getDefault(); 11751 if (am != null) { 11752 final long token = Binder.clearCallingIdentity(); 11753 try { 11754 am.killProcessesBelowForeground("setPermissionEnforcement"); 11755 } catch (RemoteException e) { 11756 } finally { 11757 Binder.restoreCallingIdentity(token); 11758 } 11759 } 11760 } else { 11761 throw new IllegalArgumentException("No selective enforcement for " + permission); 11762 } 11763 } 11764 11765 @Override 11766 @Deprecated 11767 public boolean isPermissionEnforced(String permission) { 11768 return true; 11769 } 11770 11771 @Override 11772 public boolean isStorageLow() { 11773 final long token = Binder.clearCallingIdentity(); 11774 try { 11775 final DeviceStorageMonitorInternal 11776 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11777 if (dsm != null) { 11778 return dsm.isMemoryLow(); 11779 } else { 11780 return false; 11781 } 11782 } finally { 11783 Binder.restoreCallingIdentity(token); 11784 } 11785 } 11786} 11787