PackageManagerService.java revision 70b7d163aa0d4b2911eff525f83c9f245bfd9813
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 vendor app dir. 306 final FileObserver mVendorInstallObserver; 307 308 // This is the object monitoring the vendor overlay package dir. 309 final FileObserver mVendorOverlayInstallObserver; 310 311 // This is the object monitoring the OEM app dir. 312 final FileObserver mOemInstallObserver; 313 314 // This is the object monitoring mAppInstallDir. 315 final FileObserver mAppInstallObserver; 316 317 // This is the object monitoring mDrmAppPrivateInstallDir. 318 final FileObserver mDrmAppInstallObserver; 319 320 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 321 // LOCK HELD. Can be called with mInstallLock held. 322 final Installer mInstaller; 323 324 final File mAppInstallDir; 325 326 /** 327 * Directory to which applications installed internally have native 328 * libraries copied. 329 */ 330 private File mAppLibInstallDir; 331 332 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 333 // apps. 334 final File mDrmAppPrivateInstallDir; 335 336 // ---------------------------------------------------------------- 337 338 // Lock for state used when installing and doing other long running 339 // operations. Methods that must be called with this lock held have 340 // the prefix "LI". 341 final Object mInstallLock = new Object(); 342 343 // These are the directories in the 3rd party applications installed dir 344 // that we have currently loaded packages from. Keys are the application's 345 // installed zip file (absolute codePath), and values are Package. 346 final HashMap<String, PackageParser.Package> mAppDirs = 347 new HashMap<String, PackageParser.Package>(); 348 349 // Information for the parser to write more useful error messages. 350 int mLastScanError; 351 352 // ---------------------------------------------------------------- 353 354 // Keys are String (package name), values are Package. This also serves 355 // as the lock for the global state. Methods that must be called with 356 // this lock held have the prefix "LP". 357 final HashMap<String, PackageParser.Package> mPackages = 358 new HashMap<String, PackageParser.Package>(); 359 360 // Tracks available target package names -> overlay package paths. 361 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 362 new HashMap<String, HashMap<String, PackageParser.Package>>(); 363 364 final Settings mSettings; 365 boolean mRestoredSettings; 366 367 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 368 int[] mGlobalGids; 369 370 // These are the built-in uid -> permission mappings that were read from the 371 // etc/permissions.xml file. 372 final SparseArray<HashSet<String>> mSystemPermissions = 373 new SparseArray<HashSet<String>>(); 374 375 static final class SharedLibraryEntry { 376 final String path; 377 final String apk; 378 379 SharedLibraryEntry(String _path, String _apk) { 380 path = _path; 381 apk = _apk; 382 } 383 } 384 385 // These are the built-in shared libraries that were read from the 386 // etc/permissions.xml file. 387 final HashMap<String, SharedLibraryEntry> mSharedLibraries 388 = new HashMap<String, SharedLibraryEntry>(); 389 390 // Temporary for building the final shared libraries for an .apk. 391 String[] mTmpSharedLibraries = null; 392 393 // These are the features this devices supports that were read from the 394 // etc/permissions.xml file. 395 final HashMap<String, FeatureInfo> mAvailableFeatures = 396 new HashMap<String, FeatureInfo>(); 397 398 // If mac_permissions.xml was found for seinfo labeling. 399 boolean mFoundPolicyFile; 400 401 // 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 // Read permissions and features from system 1164 readPermissions(Environment.buildPath( 1165 Environment.getRootDirectory(), "etc", "permissions"), false); 1166 // Only read features from OEM 1167 readPermissions(Environment.buildPath( 1168 Environment.getOemDirectory(), "etc", "permissions"), true); 1169 1170 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1171 1172 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1173 mSdkVersion, mOnlyCore); 1174 1175 String customResolverActivity = Resources.getSystem().getString( 1176 R.string.config_customResolverActivity); 1177 if (TextUtils.isEmpty(customResolverActivity)) { 1178 customResolverActivity = null; 1179 } else { 1180 mCustomResolverComponentName = ComponentName.unflattenFromString( 1181 customResolverActivity); 1182 } 1183 1184 long startTime = SystemClock.uptimeMillis(); 1185 1186 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1187 startTime); 1188 1189 // Set flag to monitor and not change apk file paths when 1190 // scanning install directories. 1191 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1192 if (mNoDexOpt) { 1193 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1194 scanMode |= SCAN_NO_DEX; 1195 } 1196 1197 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1198 1199 /** 1200 * Add everything in the in the boot class path to the 1201 * list of process files because dexopt will have been run 1202 * if necessary during zygote startup. 1203 */ 1204 String bootClassPath = System.getProperty("java.boot.class.path"); 1205 if (bootClassPath != null) { 1206 String[] paths = splitString(bootClassPath, ':'); 1207 for (int i=0; i<paths.length; i++) { 1208 alreadyDexOpted.add(paths[i]); 1209 } 1210 } else { 1211 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1212 } 1213 1214 boolean didDexOpt = false; 1215 1216 /** 1217 * Ensure all external libraries have had dexopt run on them. 1218 */ 1219 if (mSharedLibraries.size() > 0) { 1220 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1221 while (libs.hasNext()) { 1222 String lib = libs.next().path; 1223 if (lib == null) { 1224 continue; 1225 } 1226 try { 1227 if (dalvik.system.DexFile.isDexOptNeededInternal(lib, null, false)) { 1228 alreadyDexOpted.add(lib); 1229 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1230 didDexOpt = true; 1231 } 1232 } catch (FileNotFoundException e) { 1233 Slog.w(TAG, "Library not found: " + lib); 1234 } catch (IOException e) { 1235 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1236 + e.getMessage()); 1237 } 1238 } 1239 } 1240 1241 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1242 1243 // Gross hack for now: we know this file doesn't contain any 1244 // code, so don't dexopt it to avoid the resulting log spew. 1245 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1246 1247 // Gross hack for now: we know this file is only part of 1248 // the boot class path for art, so don't dexopt it to 1249 // avoid the resulting log spew. 1250 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1251 1252 /** 1253 * And there are a number of commands implemented in Java, which 1254 * we currently need to do the dexopt on so that they can be 1255 * run from a non-root shell. 1256 */ 1257 String[] frameworkFiles = frameworkDir.list(); 1258 if (frameworkFiles != null) { 1259 for (int i=0; i<frameworkFiles.length; i++) { 1260 File libPath = new File(frameworkDir, frameworkFiles[i]); 1261 String path = libPath.getPath(); 1262 // Skip the file if we alrady did it. 1263 if (alreadyDexOpted.contains(path)) { 1264 continue; 1265 } 1266 // Skip the file if it is not a type we want to dexopt. 1267 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1268 continue; 1269 } 1270 try { 1271 if (dalvik.system.DexFile.isDexOptNeededInternal(path, null, false)) { 1272 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1273 didDexOpt = true; 1274 } 1275 } catch (FileNotFoundException e) { 1276 Slog.w(TAG, "Jar not found: " + path); 1277 } catch (IOException e) { 1278 Slog.w(TAG, "Exception reading jar: " + path, e); 1279 } 1280 } 1281 } 1282 1283 if (didDexOpt) { 1284 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1285 1286 // If we had to do a dexopt of one of the previous 1287 // things, then something on the system has changed. 1288 // Consider this significant, and wipe away all other 1289 // existing dexopt files to ensure we don't leave any 1290 // dangling around. 1291 String[] files = dalvikCacheDir.list(); 1292 if (files != null) { 1293 for (int i=0; i<files.length; i++) { 1294 String fn = files[i]; 1295 if (fn.startsWith("data@app@") 1296 || fn.startsWith("data@app-private@")) { 1297 Slog.i(TAG, "Pruning dalvik file: " + fn); 1298 (new File(dalvikCacheDir, fn)).delete(); 1299 } 1300 } 1301 } 1302 } 1303 1304 // Collect vendor overlay packages. 1305 // (Do this before scanning any apps.) 1306 // For security and version matching reason, only consider 1307 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1308 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1309 mVendorOverlayInstallObserver = new AppDirObserver( 1310 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1311 mVendorOverlayInstallObserver.startWatching(); 1312 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1313 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1314 1315 // Find base frameworks (resource packages without code). 1316 mFrameworkInstallObserver = new AppDirObserver( 1317 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1318 mFrameworkInstallObserver.startWatching(); 1319 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1320 | PackageParser.PARSE_IS_SYSTEM_DIR 1321 | PackageParser.PARSE_IS_PRIVILEGED, 1322 scanMode | SCAN_NO_DEX, 0); 1323 1324 // Collected privileged system packages. 1325 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1326 mPrivilegedInstallObserver = new AppDirObserver( 1327 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1328 mPrivilegedInstallObserver.startWatching(); 1329 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1330 | PackageParser.PARSE_IS_SYSTEM_DIR 1331 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1332 1333 // Collect ordinary system packages. 1334 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1335 mSystemInstallObserver = new AppDirObserver( 1336 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1337 mSystemInstallObserver.startWatching(); 1338 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1339 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1340 1341 // Collect all vendor packages. 1342 File vendorAppDir = new File("/vendor/app"); 1343 try { 1344 vendorAppDir = vendorAppDir.getCanonicalFile(); 1345 } catch (IOException e) { 1346 // failed to look up canonical path, continue with original one 1347 } 1348 mVendorInstallObserver = new AppDirObserver( 1349 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1350 mVendorInstallObserver.startWatching(); 1351 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1352 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1353 1354 // Collect all OEM packages. 1355 File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1356 mOemInstallObserver = new AppDirObserver( 1357 oemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1358 mOemInstallObserver.startWatching(); 1359 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1360 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1361 1362 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1363 mInstaller.moveFiles(); 1364 1365 // Prune any system packages that no longer exist. 1366 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1367 if (!mOnlyCore) { 1368 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1369 while (psit.hasNext()) { 1370 PackageSetting ps = psit.next(); 1371 1372 /* 1373 * If this is not a system app, it can't be a 1374 * disable system app. 1375 */ 1376 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1377 continue; 1378 } 1379 1380 /* 1381 * If the package is scanned, it's not erased. 1382 */ 1383 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1384 if (scannedPkg != null) { 1385 /* 1386 * If the system app is both scanned and in the 1387 * disabled packages list, then it must have been 1388 * added via OTA. Remove it from the currently 1389 * scanned package so the previously user-installed 1390 * application can be scanned. 1391 */ 1392 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1393 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1394 + "; removing system app"); 1395 removePackageLI(ps, true); 1396 } 1397 1398 continue; 1399 } 1400 1401 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1402 psit.remove(); 1403 String msg = "System package " + ps.name 1404 + " no longer exists; wiping its data"; 1405 reportSettingsProblem(Log.WARN, msg); 1406 removeDataDirsLI(ps.name); 1407 } else { 1408 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1409 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1410 possiblyDeletedUpdatedSystemApps.add(ps.name); 1411 } 1412 } 1413 } 1414 } 1415 1416 //look for any incomplete package installations 1417 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1418 //clean up list 1419 for(int i = 0; i < deletePkgsList.size(); i++) { 1420 //clean up here 1421 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1422 } 1423 //delete tmp files 1424 deleteTempPackageFiles(); 1425 1426 // Remove any shared userIDs that have no associated packages 1427 mSettings.pruneSharedUsersLPw(); 1428 1429 if (!mOnlyCore) { 1430 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1431 SystemClock.uptimeMillis()); 1432 mAppInstallObserver = new AppDirObserver( 1433 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1434 mAppInstallObserver.startWatching(); 1435 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1436 1437 mDrmAppInstallObserver = new AppDirObserver( 1438 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1439 mDrmAppInstallObserver.startWatching(); 1440 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1441 scanMode, 0); 1442 1443 /** 1444 * Remove disable package settings for any updated system 1445 * apps that were removed via an OTA. If they're not a 1446 * previously-updated app, remove them completely. 1447 * Otherwise, just revoke their system-level permissions. 1448 */ 1449 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1450 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1451 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1452 1453 String msg; 1454 if (deletedPkg == null) { 1455 msg = "Updated system package " + deletedAppName 1456 + " no longer exists; wiping its data"; 1457 removeDataDirsLI(deletedAppName); 1458 } else { 1459 msg = "Updated system app + " + deletedAppName 1460 + " no longer present; removing system privileges for " 1461 + deletedAppName; 1462 1463 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1464 1465 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1466 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1467 } 1468 reportSettingsProblem(Log.WARN, msg); 1469 } 1470 } else { 1471 mAppInstallObserver = null; 1472 mDrmAppInstallObserver = null; 1473 } 1474 1475 // Now that we know all of the shared libraries, update all clients to have 1476 // the correct library paths. 1477 updateAllSharedLibrariesLPw(); 1478 1479 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1480 SystemClock.uptimeMillis()); 1481 Slog.i(TAG, "Time to scan packages: " 1482 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1483 + " seconds"); 1484 1485 // If the platform SDK has changed since the last time we booted, 1486 // we need to re-grant app permission to catch any new ones that 1487 // appear. This is really a hack, and means that apps can in some 1488 // cases get permissions that the user didn't initially explicitly 1489 // allow... it would be nice to have some better way to handle 1490 // this situation. 1491 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1492 != mSdkVersion; 1493 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1494 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1495 + "; regranting permissions for internal storage"); 1496 mSettings.mInternalSdkPlatform = mSdkVersion; 1497 1498 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1499 | (regrantPermissions 1500 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1501 : 0)); 1502 1503 // If this is the first boot, and it is a normal boot, then 1504 // we need to initialize the default preferred apps. 1505 if (!mRestoredSettings && !onlyCore) { 1506 mSettings.readDefaultPreferredAppsLPw(this, 0); 1507 } 1508 1509 // can downgrade to reader 1510 mSettings.writeLPr(); 1511 1512 if (SELinuxMMAC.shouldRestorecon()) { 1513 Slog.i(TAG, "Relabeling of /data/data and /data/user issued."); 1514 if (mInstaller.restoreconData()) { 1515 SELinuxMMAC.setRestoreconDone(); 1516 } 1517 } 1518 1519 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1520 SystemClock.uptimeMillis()); 1521 1522 // Now after opening every single application zip, make sure they 1523 // are all flushed. Not really needed, but keeps things nice and 1524 // tidy. 1525 Runtime.getRuntime().gc(); 1526 1527 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1528 } // synchronized (mPackages) 1529 } // synchronized (mInstallLock) 1530 } 1531 1532 public boolean isFirstBoot() { 1533 return !mRestoredSettings; 1534 } 1535 1536 public boolean isOnlyCoreApps() { 1537 return mOnlyCore; 1538 } 1539 1540 private String getRequiredVerifierLPr() { 1541 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1542 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1543 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1544 1545 String requiredVerifier = null; 1546 1547 final int N = receivers.size(); 1548 for (int i = 0; i < N; i++) { 1549 final ResolveInfo info = receivers.get(i); 1550 1551 if (info.activityInfo == null) { 1552 continue; 1553 } 1554 1555 final String packageName = info.activityInfo.packageName; 1556 1557 final PackageSetting ps = mSettings.mPackages.get(packageName); 1558 if (ps == null) { 1559 continue; 1560 } 1561 1562 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1563 if (!gp.grantedPermissions 1564 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1565 continue; 1566 } 1567 1568 if (requiredVerifier != null) { 1569 throw new RuntimeException("There can be only one required verifier"); 1570 } 1571 1572 requiredVerifier = packageName; 1573 } 1574 1575 return requiredVerifier; 1576 } 1577 1578 @Override 1579 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1580 throws RemoteException { 1581 try { 1582 return super.onTransact(code, data, reply, flags); 1583 } catch (RuntimeException e) { 1584 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1585 Slog.wtf(TAG, "Package Manager Crash", e); 1586 } 1587 throw e; 1588 } 1589 } 1590 1591 void cleanupInstallFailedPackage(PackageSetting ps) { 1592 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1593 removeDataDirsLI(ps.name); 1594 if (ps.codePath != null) { 1595 if (!ps.codePath.delete()) { 1596 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1597 } 1598 } 1599 if (ps.resourcePath != null) { 1600 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1601 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1602 } 1603 } 1604 mSettings.removePackageLPw(ps.name); 1605 } 1606 1607 void readPermissions(File libraryDir, boolean onlyFeatures) { 1608 // Read permissions from .../etc/permission directory. 1609 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1610 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1611 return; 1612 } 1613 if (!libraryDir.canRead()) { 1614 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1615 return; 1616 } 1617 1618 // Iterate over the files in the directory and scan .xml files 1619 for (File f : libraryDir.listFiles()) { 1620 // We'll read platform.xml last 1621 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1622 continue; 1623 } 1624 1625 if (!f.getPath().endsWith(".xml")) { 1626 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1627 continue; 1628 } 1629 if (!f.canRead()) { 1630 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1631 continue; 1632 } 1633 1634 readPermissionsFromXml(f, onlyFeatures); 1635 } 1636 1637 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1638 final File permFile = new File(Environment.getRootDirectory(), 1639 "etc/permissions/platform.xml"); 1640 readPermissionsFromXml(permFile, onlyFeatures); 1641 } 1642 1643 private void readPermissionsFromXml(File permFile, boolean onlyFeatures) { 1644 FileReader permReader = null; 1645 try { 1646 permReader = new FileReader(permFile); 1647 } catch (FileNotFoundException e) { 1648 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1649 return; 1650 } 1651 1652 try { 1653 XmlPullParser parser = Xml.newPullParser(); 1654 parser.setInput(permReader); 1655 1656 XmlUtils.beginDocument(parser, "permissions"); 1657 1658 while (true) { 1659 XmlUtils.nextElement(parser); 1660 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1661 break; 1662 } 1663 1664 String name = parser.getName(); 1665 if ("group".equals(name) && !onlyFeatures) { 1666 String gidStr = parser.getAttributeValue(null, "gid"); 1667 if (gidStr != null) { 1668 int gid = Process.getGidForName(gidStr); 1669 mGlobalGids = appendInt(mGlobalGids, gid); 1670 } else { 1671 Slog.w(TAG, "<group> without gid at " 1672 + parser.getPositionDescription()); 1673 } 1674 1675 XmlUtils.skipCurrentTag(parser); 1676 continue; 1677 } else if ("permission".equals(name) && !onlyFeatures) { 1678 String perm = parser.getAttributeValue(null, "name"); 1679 if (perm == null) { 1680 Slog.w(TAG, "<permission> without name at " 1681 + parser.getPositionDescription()); 1682 XmlUtils.skipCurrentTag(parser); 1683 continue; 1684 } 1685 perm = perm.intern(); 1686 readPermission(parser, perm); 1687 1688 } else if ("assign-permission".equals(name) && !onlyFeatures) { 1689 String perm = parser.getAttributeValue(null, "name"); 1690 if (perm == null) { 1691 Slog.w(TAG, "<assign-permission> without name at " 1692 + parser.getPositionDescription()); 1693 XmlUtils.skipCurrentTag(parser); 1694 continue; 1695 } 1696 String uidStr = parser.getAttributeValue(null, "uid"); 1697 if (uidStr == null) { 1698 Slog.w(TAG, "<assign-permission> without uid at " 1699 + parser.getPositionDescription()); 1700 XmlUtils.skipCurrentTag(parser); 1701 continue; 1702 } 1703 int uid = Process.getUidForName(uidStr); 1704 if (uid < 0) { 1705 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1706 + uidStr + "\" at " 1707 + parser.getPositionDescription()); 1708 XmlUtils.skipCurrentTag(parser); 1709 continue; 1710 } 1711 perm = perm.intern(); 1712 HashSet<String> perms = mSystemPermissions.get(uid); 1713 if (perms == null) { 1714 perms = new HashSet<String>(); 1715 mSystemPermissions.put(uid, perms); 1716 } 1717 perms.add(perm); 1718 XmlUtils.skipCurrentTag(parser); 1719 1720 } else if ("library".equals(name) && !onlyFeatures) { 1721 String lname = parser.getAttributeValue(null, "name"); 1722 String lfile = parser.getAttributeValue(null, "file"); 1723 if (lname == null) { 1724 Slog.w(TAG, "<library> without name at " 1725 + parser.getPositionDescription()); 1726 } else if (lfile == null) { 1727 Slog.w(TAG, "<library> without file at " 1728 + parser.getPositionDescription()); 1729 } else { 1730 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1731 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1732 } 1733 XmlUtils.skipCurrentTag(parser); 1734 continue; 1735 1736 } else if ("feature".equals(name)) { 1737 String fname = parser.getAttributeValue(null, "name"); 1738 if (fname == null) { 1739 Slog.w(TAG, "<feature> without name at " 1740 + parser.getPositionDescription()); 1741 } else { 1742 //Log.i(TAG, "Got feature " + fname); 1743 FeatureInfo fi = new FeatureInfo(); 1744 fi.name = fname; 1745 mAvailableFeatures.put(fname, fi); 1746 } 1747 XmlUtils.skipCurrentTag(parser); 1748 continue; 1749 1750 } else { 1751 XmlUtils.skipCurrentTag(parser); 1752 continue; 1753 } 1754 1755 } 1756 permReader.close(); 1757 } catch (XmlPullParserException e) { 1758 Slog.w(TAG, "Got execption parsing permissions.", e); 1759 } catch (IOException e) { 1760 Slog.w(TAG, "Got execption parsing permissions.", e); 1761 } 1762 } 1763 1764 void readPermission(XmlPullParser parser, String name) 1765 throws IOException, XmlPullParserException { 1766 1767 name = name.intern(); 1768 1769 BasePermission bp = mSettings.mPermissions.get(name); 1770 if (bp == null) { 1771 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1772 mSettings.mPermissions.put(name, bp); 1773 } 1774 int outerDepth = parser.getDepth(); 1775 int type; 1776 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1777 && (type != XmlPullParser.END_TAG 1778 || parser.getDepth() > outerDepth)) { 1779 if (type == XmlPullParser.END_TAG 1780 || type == XmlPullParser.TEXT) { 1781 continue; 1782 } 1783 1784 String tagName = parser.getName(); 1785 if ("group".equals(tagName)) { 1786 String gidStr = parser.getAttributeValue(null, "gid"); 1787 if (gidStr != null) { 1788 int gid = Process.getGidForName(gidStr); 1789 bp.gids = appendInt(bp.gids, gid); 1790 } else { 1791 Slog.w(TAG, "<group> without gid at " 1792 + parser.getPositionDescription()); 1793 } 1794 } 1795 XmlUtils.skipCurrentTag(parser); 1796 } 1797 } 1798 1799 static int[] appendInts(int[] cur, int[] add) { 1800 if (add == null) return cur; 1801 if (cur == null) return add; 1802 final int N = add.length; 1803 for (int i=0; i<N; i++) { 1804 cur = appendInt(cur, add[i]); 1805 } 1806 return cur; 1807 } 1808 1809 static int[] removeInts(int[] cur, int[] rem) { 1810 if (rem == null) return cur; 1811 if (cur == null) return cur; 1812 final int N = rem.length; 1813 for (int i=0; i<N; i++) { 1814 cur = removeInt(cur, rem[i]); 1815 } 1816 return cur; 1817 } 1818 1819 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1820 if (!sUserManager.exists(userId)) return null; 1821 PackageInfo pi; 1822 final PackageSetting ps = (PackageSetting) p.mExtras; 1823 if (ps == null) { 1824 return null; 1825 } 1826 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1827 final PackageUserState state = ps.readUserState(userId); 1828 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1829 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1830 state, userId); 1831 } 1832 1833 public boolean isPackageAvailable(String packageName, int userId) { 1834 if (!sUserManager.exists(userId)) return false; 1835 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1836 synchronized (mPackages) { 1837 PackageParser.Package p = mPackages.get(packageName); 1838 if (p != null) { 1839 final PackageSetting ps = (PackageSetting) p.mExtras; 1840 if (ps != null) { 1841 final PackageUserState state = ps.readUserState(userId); 1842 if (state != null) { 1843 return PackageParser.isAvailable(state); 1844 } 1845 } 1846 } 1847 } 1848 return false; 1849 } 1850 1851 @Override 1852 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1853 if (!sUserManager.exists(userId)) return null; 1854 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1855 // reader 1856 synchronized (mPackages) { 1857 PackageParser.Package p = mPackages.get(packageName); 1858 if (DEBUG_PACKAGE_INFO) 1859 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1860 if (p != null) { 1861 return generatePackageInfo(p, flags, userId); 1862 } 1863 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1864 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1865 } 1866 } 1867 return null; 1868 } 1869 1870 public String[] currentToCanonicalPackageNames(String[] names) { 1871 String[] out = new String[names.length]; 1872 // reader 1873 synchronized (mPackages) { 1874 for (int i=names.length-1; i>=0; i--) { 1875 PackageSetting ps = mSettings.mPackages.get(names[i]); 1876 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1877 } 1878 } 1879 return out; 1880 } 1881 1882 public String[] canonicalToCurrentPackageNames(String[] names) { 1883 String[] out = new String[names.length]; 1884 // reader 1885 synchronized (mPackages) { 1886 for (int i=names.length-1; i>=0; i--) { 1887 String cur = mSettings.mRenamedPackages.get(names[i]); 1888 out[i] = cur != null ? cur : names[i]; 1889 } 1890 } 1891 return out; 1892 } 1893 1894 @Override 1895 public int getPackageUid(String packageName, int userId) { 1896 if (!sUserManager.exists(userId)) return -1; 1897 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1898 // reader 1899 synchronized (mPackages) { 1900 PackageParser.Package p = mPackages.get(packageName); 1901 if(p != null) { 1902 return UserHandle.getUid(userId, p.applicationInfo.uid); 1903 } 1904 PackageSetting ps = mSettings.mPackages.get(packageName); 1905 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1906 return -1; 1907 } 1908 p = ps.pkg; 1909 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1910 } 1911 } 1912 1913 @Override 1914 public int[] getPackageGids(String packageName) { 1915 // reader 1916 synchronized (mPackages) { 1917 PackageParser.Package p = mPackages.get(packageName); 1918 if (DEBUG_PACKAGE_INFO) 1919 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1920 if (p != null) { 1921 final PackageSetting ps = (PackageSetting)p.mExtras; 1922 return ps.getGids(); 1923 } 1924 } 1925 // stupid thing to indicate an error. 1926 return new int[0]; 1927 } 1928 1929 static final PermissionInfo generatePermissionInfo( 1930 BasePermission bp, int flags) { 1931 if (bp.perm != null) { 1932 return PackageParser.generatePermissionInfo(bp.perm, flags); 1933 } 1934 PermissionInfo pi = new PermissionInfo(); 1935 pi.name = bp.name; 1936 pi.packageName = bp.sourcePackage; 1937 pi.nonLocalizedLabel = bp.name; 1938 pi.protectionLevel = bp.protectionLevel; 1939 return pi; 1940 } 1941 1942 public PermissionInfo getPermissionInfo(String name, int flags) { 1943 // reader 1944 synchronized (mPackages) { 1945 final BasePermission p = mSettings.mPermissions.get(name); 1946 if (p != null) { 1947 return generatePermissionInfo(p, flags); 1948 } 1949 return null; 1950 } 1951 } 1952 1953 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1954 // reader 1955 synchronized (mPackages) { 1956 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1957 for (BasePermission p : mSettings.mPermissions.values()) { 1958 if (group == null) { 1959 if (p.perm == null || p.perm.info.group == null) { 1960 out.add(generatePermissionInfo(p, flags)); 1961 } 1962 } else { 1963 if (p.perm != null && group.equals(p.perm.info.group)) { 1964 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1965 } 1966 } 1967 } 1968 1969 if (out.size() > 0) { 1970 return out; 1971 } 1972 return mPermissionGroups.containsKey(group) ? out : null; 1973 } 1974 } 1975 1976 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1977 // reader 1978 synchronized (mPackages) { 1979 return PackageParser.generatePermissionGroupInfo( 1980 mPermissionGroups.get(name), flags); 1981 } 1982 } 1983 1984 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1985 // reader 1986 synchronized (mPackages) { 1987 final int N = mPermissionGroups.size(); 1988 ArrayList<PermissionGroupInfo> out 1989 = new ArrayList<PermissionGroupInfo>(N); 1990 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1991 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1992 } 1993 return out; 1994 } 1995 } 1996 1997 private ApplicationInfo generateApplicationInfoFromSettingsLPw(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 if (ps.pkg == null) { 2003 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2004 flags, userId); 2005 if (pInfo != null) { 2006 return pInfo.applicationInfo; 2007 } 2008 return null; 2009 } 2010 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2011 ps.readUserState(userId), userId); 2012 } 2013 return null; 2014 } 2015 2016 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2017 int userId) { 2018 if (!sUserManager.exists(userId)) return null; 2019 PackageSetting ps = mSettings.mPackages.get(packageName); 2020 if (ps != null) { 2021 PackageParser.Package pkg = ps.pkg; 2022 if (pkg == null) { 2023 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2024 return null; 2025 } 2026 pkg = new PackageParser.Package(packageName); 2027 pkg.applicationInfo.packageName = packageName; 2028 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2029 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2030 pkg.applicationInfo.sourceDir = ps.codePathString; 2031 pkg.applicationInfo.dataDir = 2032 getDataPathForPackage(packageName, 0).getPath(); 2033 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2034 } 2035 return generatePackageInfo(pkg, flags, userId); 2036 } 2037 return null; 2038 } 2039 2040 @Override 2041 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2042 if (!sUserManager.exists(userId)) return null; 2043 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2044 // writer 2045 synchronized (mPackages) { 2046 PackageParser.Package p = mPackages.get(packageName); 2047 if (DEBUG_PACKAGE_INFO) Log.v( 2048 TAG, "getApplicationInfo " + packageName 2049 + ": " + p); 2050 if (p != null) { 2051 PackageSetting ps = mSettings.mPackages.get(packageName); 2052 if (ps == null) return null; 2053 // Note: isEnabledLP() does not apply here - always return info 2054 return PackageParser.generateApplicationInfo( 2055 p, flags, ps.readUserState(userId), userId); 2056 } 2057 if ("android".equals(packageName)||"system".equals(packageName)) { 2058 return mAndroidApplication; 2059 } 2060 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2061 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2062 } 2063 } 2064 return null; 2065 } 2066 2067 2068 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2069 mContext.enforceCallingOrSelfPermission( 2070 android.Manifest.permission.CLEAR_APP_CACHE, null); 2071 // Queue up an async operation since clearing cache may take a little while. 2072 mHandler.post(new Runnable() { 2073 public void run() { 2074 mHandler.removeCallbacks(this); 2075 int retCode = -1; 2076 synchronized (mInstallLock) { 2077 retCode = mInstaller.freeCache(freeStorageSize); 2078 if (retCode < 0) { 2079 Slog.w(TAG, "Couldn't clear application caches"); 2080 } 2081 } 2082 if (observer != null) { 2083 try { 2084 observer.onRemoveCompleted(null, (retCode >= 0)); 2085 } catch (RemoteException e) { 2086 Slog.w(TAG, "RemoveException when invoking call back"); 2087 } 2088 } 2089 } 2090 }); 2091 } 2092 2093 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2094 mContext.enforceCallingOrSelfPermission( 2095 android.Manifest.permission.CLEAR_APP_CACHE, null); 2096 // Queue up an async operation since clearing cache may take a little while. 2097 mHandler.post(new Runnable() { 2098 public void run() { 2099 mHandler.removeCallbacks(this); 2100 int retCode = -1; 2101 synchronized (mInstallLock) { 2102 retCode = mInstaller.freeCache(freeStorageSize); 2103 if (retCode < 0) { 2104 Slog.w(TAG, "Couldn't clear application caches"); 2105 } 2106 } 2107 if(pi != null) { 2108 try { 2109 // Callback via pending intent 2110 int code = (retCode >= 0) ? 1 : 0; 2111 pi.sendIntent(null, code, null, 2112 null, null); 2113 } catch (SendIntentException e1) { 2114 Slog.i(TAG, "Failed to send pending intent"); 2115 } 2116 } 2117 } 2118 }); 2119 } 2120 2121 @Override 2122 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2123 if (!sUserManager.exists(userId)) return null; 2124 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2125 synchronized (mPackages) { 2126 PackageParser.Activity a = mActivities.mActivities.get(component); 2127 2128 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2129 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2130 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2131 if (ps == null) return null; 2132 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2133 userId); 2134 } 2135 if (mResolveComponentName.equals(component)) { 2136 return mResolveActivity; 2137 } 2138 } 2139 return null; 2140 } 2141 2142 @Override 2143 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2144 if (!sUserManager.exists(userId)) return null; 2145 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2146 synchronized (mPackages) { 2147 PackageParser.Activity a = mReceivers.mActivities.get(component); 2148 if (DEBUG_PACKAGE_INFO) Log.v( 2149 TAG, "getReceiverInfo " + component + ": " + a); 2150 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2151 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2152 if (ps == null) return null; 2153 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2154 userId); 2155 } 2156 } 2157 return null; 2158 } 2159 2160 @Override 2161 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2162 if (!sUserManager.exists(userId)) return null; 2163 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2164 synchronized (mPackages) { 2165 PackageParser.Service s = mServices.mServices.get(component); 2166 if (DEBUG_PACKAGE_INFO) Log.v( 2167 TAG, "getServiceInfo " + component + ": " + s); 2168 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2169 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2170 if (ps == null) return null; 2171 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2172 userId); 2173 } 2174 } 2175 return null; 2176 } 2177 2178 @Override 2179 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2180 if (!sUserManager.exists(userId)) return null; 2181 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2182 synchronized (mPackages) { 2183 PackageParser.Provider p = mProviders.mProviders.get(component); 2184 if (DEBUG_PACKAGE_INFO) Log.v( 2185 TAG, "getProviderInfo " + component + ": " + p); 2186 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2187 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2188 if (ps == null) return null; 2189 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2190 userId); 2191 } 2192 } 2193 return null; 2194 } 2195 2196 public String[] getSystemSharedLibraryNames() { 2197 Set<String> libSet; 2198 synchronized (mPackages) { 2199 libSet = mSharedLibraries.keySet(); 2200 int size = libSet.size(); 2201 if (size > 0) { 2202 String[] libs = new String[size]; 2203 libSet.toArray(libs); 2204 return libs; 2205 } 2206 } 2207 return null; 2208 } 2209 2210 public FeatureInfo[] getSystemAvailableFeatures() { 2211 Collection<FeatureInfo> featSet; 2212 synchronized (mPackages) { 2213 featSet = mAvailableFeatures.values(); 2214 int size = featSet.size(); 2215 if (size > 0) { 2216 FeatureInfo[] features = new FeatureInfo[size+1]; 2217 featSet.toArray(features); 2218 FeatureInfo fi = new FeatureInfo(); 2219 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2220 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2221 features[size] = fi; 2222 return features; 2223 } 2224 } 2225 return null; 2226 } 2227 2228 public boolean hasSystemFeature(String name) { 2229 synchronized (mPackages) { 2230 return mAvailableFeatures.containsKey(name); 2231 } 2232 } 2233 2234 private void checkValidCaller(int uid, int userId) { 2235 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2236 return; 2237 2238 throw new SecurityException("Caller uid=" + uid 2239 + " is not privileged to communicate with user=" + userId); 2240 } 2241 2242 public int checkPermission(String permName, String pkgName) { 2243 synchronized (mPackages) { 2244 PackageParser.Package p = mPackages.get(pkgName); 2245 if (p != null && p.mExtras != null) { 2246 PackageSetting ps = (PackageSetting)p.mExtras; 2247 if (ps.sharedUser != null) { 2248 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2249 return PackageManager.PERMISSION_GRANTED; 2250 } 2251 } else if (ps.grantedPermissions.contains(permName)) { 2252 return PackageManager.PERMISSION_GRANTED; 2253 } 2254 } 2255 } 2256 return PackageManager.PERMISSION_DENIED; 2257 } 2258 2259 public int checkUidPermission(String permName, int uid) { 2260 synchronized (mPackages) { 2261 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2262 if (obj != null) { 2263 GrantedPermissions gp = (GrantedPermissions)obj; 2264 if (gp.grantedPermissions.contains(permName)) { 2265 return PackageManager.PERMISSION_GRANTED; 2266 } 2267 } else { 2268 HashSet<String> perms = mSystemPermissions.get(uid); 2269 if (perms != null && perms.contains(permName)) { 2270 return PackageManager.PERMISSION_GRANTED; 2271 } 2272 } 2273 } 2274 return PackageManager.PERMISSION_DENIED; 2275 } 2276 2277 /** 2278 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2279 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2280 * @param message the message to log on security exception 2281 * @return 2282 */ 2283 private void enforceCrossUserPermission(int callingUid, int userId, 2284 boolean requireFullPermission, String message) { 2285 if (userId < 0) { 2286 throw new IllegalArgumentException("Invalid userId " + userId); 2287 } 2288 if (userId == UserHandle.getUserId(callingUid)) return; 2289 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2290 if (requireFullPermission) { 2291 mContext.enforceCallingOrSelfPermission( 2292 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2293 } else { 2294 try { 2295 mContext.enforceCallingOrSelfPermission( 2296 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2297 } catch (SecurityException se) { 2298 mContext.enforceCallingOrSelfPermission( 2299 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2300 } 2301 } 2302 } 2303 } 2304 2305 private BasePermission findPermissionTreeLP(String permName) { 2306 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2307 if (permName.startsWith(bp.name) && 2308 permName.length() > bp.name.length() && 2309 permName.charAt(bp.name.length()) == '.') { 2310 return bp; 2311 } 2312 } 2313 return null; 2314 } 2315 2316 private BasePermission checkPermissionTreeLP(String permName) { 2317 if (permName != null) { 2318 BasePermission bp = findPermissionTreeLP(permName); 2319 if (bp != null) { 2320 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2321 return bp; 2322 } 2323 throw new SecurityException("Calling uid " 2324 + Binder.getCallingUid() 2325 + " is not allowed to add to permission tree " 2326 + bp.name + " owned by uid " + bp.uid); 2327 } 2328 } 2329 throw new SecurityException("No permission tree found for " + permName); 2330 } 2331 2332 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2333 if (s1 == null) { 2334 return s2 == null; 2335 } 2336 if (s2 == null) { 2337 return false; 2338 } 2339 if (s1.getClass() != s2.getClass()) { 2340 return false; 2341 } 2342 return s1.equals(s2); 2343 } 2344 2345 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2346 if (pi1.icon != pi2.icon) return false; 2347 if (pi1.logo != pi2.logo) return false; 2348 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2349 if (!compareStrings(pi1.name, pi2.name)) return false; 2350 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2351 // We'll take care of setting this one. 2352 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2353 // These are not currently stored in settings. 2354 //if (!compareStrings(pi1.group, pi2.group)) return false; 2355 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2356 //if (pi1.labelRes != pi2.labelRes) return false; 2357 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2358 return true; 2359 } 2360 2361 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2362 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2363 throw new SecurityException("Label must be specified in permission"); 2364 } 2365 BasePermission tree = checkPermissionTreeLP(info.name); 2366 BasePermission bp = mSettings.mPermissions.get(info.name); 2367 boolean added = bp == null; 2368 boolean changed = true; 2369 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2370 if (added) { 2371 bp = new BasePermission(info.name, tree.sourcePackage, 2372 BasePermission.TYPE_DYNAMIC); 2373 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2374 throw new SecurityException( 2375 "Not allowed to modify non-dynamic permission " 2376 + info.name); 2377 } else { 2378 if (bp.protectionLevel == fixedLevel 2379 && bp.perm.owner.equals(tree.perm.owner) 2380 && bp.uid == tree.uid 2381 && comparePermissionInfos(bp.perm.info, info)) { 2382 changed = false; 2383 } 2384 } 2385 bp.protectionLevel = fixedLevel; 2386 info = new PermissionInfo(info); 2387 info.protectionLevel = fixedLevel; 2388 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2389 bp.perm.info.packageName = tree.perm.info.packageName; 2390 bp.uid = tree.uid; 2391 if (added) { 2392 mSettings.mPermissions.put(info.name, bp); 2393 } 2394 if (changed) { 2395 if (!async) { 2396 mSettings.writeLPr(); 2397 } else { 2398 scheduleWriteSettingsLocked(); 2399 } 2400 } 2401 return added; 2402 } 2403 2404 public boolean addPermission(PermissionInfo info) { 2405 synchronized (mPackages) { 2406 return addPermissionLocked(info, false); 2407 } 2408 } 2409 2410 public boolean addPermissionAsync(PermissionInfo info) { 2411 synchronized (mPackages) { 2412 return addPermissionLocked(info, true); 2413 } 2414 } 2415 2416 public void removePermission(String name) { 2417 synchronized (mPackages) { 2418 checkPermissionTreeLP(name); 2419 BasePermission bp = mSettings.mPermissions.get(name); 2420 if (bp != null) { 2421 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2422 throw new SecurityException( 2423 "Not allowed to modify non-dynamic permission " 2424 + name); 2425 } 2426 mSettings.mPermissions.remove(name); 2427 mSettings.writeLPr(); 2428 } 2429 } 2430 } 2431 2432 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2433 int index = pkg.requestedPermissions.indexOf(bp.name); 2434 if (index == -1) { 2435 throw new SecurityException("Package " + pkg.packageName 2436 + " has not requested permission " + bp.name); 2437 } 2438 boolean isNormal = 2439 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2440 == PermissionInfo.PROTECTION_NORMAL); 2441 boolean isDangerous = 2442 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2443 == PermissionInfo.PROTECTION_DANGEROUS); 2444 boolean isDevelopment = 2445 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2446 2447 if (!isNormal && !isDangerous && !isDevelopment) { 2448 throw new SecurityException("Permission " + bp.name 2449 + " is not a changeable permission type"); 2450 } 2451 2452 if (isNormal || isDangerous) { 2453 if (pkg.requestedPermissionsRequired.get(index)) { 2454 throw new SecurityException("Can't change " + bp.name 2455 + ". It is required by the application"); 2456 } 2457 } 2458 } 2459 2460 public void grantPermission(String packageName, String permissionName) { 2461 mContext.enforceCallingOrSelfPermission( 2462 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2463 synchronized (mPackages) { 2464 final PackageParser.Package pkg = mPackages.get(packageName); 2465 if (pkg == null) { 2466 throw new IllegalArgumentException("Unknown package: " + packageName); 2467 } 2468 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2469 if (bp == null) { 2470 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2471 } 2472 2473 checkGrantRevokePermissions(pkg, bp); 2474 2475 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2476 if (ps == null) { 2477 return; 2478 } 2479 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2480 if (gp.grantedPermissions.add(permissionName)) { 2481 if (ps.haveGids) { 2482 gp.gids = appendInts(gp.gids, bp.gids); 2483 } 2484 mSettings.writeLPr(); 2485 } 2486 } 2487 } 2488 2489 public void revokePermission(String packageName, String permissionName) { 2490 int changedAppId = -1; 2491 2492 synchronized (mPackages) { 2493 final PackageParser.Package pkg = mPackages.get(packageName); 2494 if (pkg == null) { 2495 throw new IllegalArgumentException("Unknown package: " + packageName); 2496 } 2497 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2498 mContext.enforceCallingOrSelfPermission( 2499 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2500 } 2501 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2502 if (bp == null) { 2503 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2504 } 2505 2506 checkGrantRevokePermissions(pkg, bp); 2507 2508 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2509 if (ps == null) { 2510 return; 2511 } 2512 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2513 if (gp.grantedPermissions.remove(permissionName)) { 2514 gp.grantedPermissions.remove(permissionName); 2515 if (ps.haveGids) { 2516 gp.gids = removeInts(gp.gids, bp.gids); 2517 } 2518 mSettings.writeLPr(); 2519 changedAppId = ps.appId; 2520 } 2521 } 2522 2523 if (changedAppId >= 0) { 2524 // We changed the perm on someone, kill its processes. 2525 IActivityManager am = ActivityManagerNative.getDefault(); 2526 if (am != null) { 2527 final int callingUserId = UserHandle.getCallingUserId(); 2528 final long ident = Binder.clearCallingIdentity(); 2529 try { 2530 //XXX we should only revoke for the calling user's app permissions, 2531 // but for now we impact all users. 2532 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2533 // "revoke " + permissionName); 2534 int[] users = sUserManager.getUserIds(); 2535 for (int user : users) { 2536 am.killUid(UserHandle.getUid(user, changedAppId), 2537 "revoke " + permissionName); 2538 } 2539 } catch (RemoteException e) { 2540 } finally { 2541 Binder.restoreCallingIdentity(ident); 2542 } 2543 } 2544 } 2545 } 2546 2547 public boolean isProtectedBroadcast(String actionName) { 2548 synchronized (mPackages) { 2549 return mProtectedBroadcasts.contains(actionName); 2550 } 2551 } 2552 2553 public int checkSignatures(String pkg1, String pkg2) { 2554 synchronized (mPackages) { 2555 final PackageParser.Package p1 = mPackages.get(pkg1); 2556 final PackageParser.Package p2 = mPackages.get(pkg2); 2557 if (p1 == null || p1.mExtras == null 2558 || p2 == null || p2.mExtras == null) { 2559 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2560 } 2561 return compareSignatures(p1.mSignatures, p2.mSignatures); 2562 } 2563 } 2564 2565 public int checkUidSignatures(int uid1, int uid2) { 2566 // Map to base uids. 2567 uid1 = UserHandle.getAppId(uid1); 2568 uid2 = UserHandle.getAppId(uid2); 2569 // reader 2570 synchronized (mPackages) { 2571 Signature[] s1; 2572 Signature[] s2; 2573 Object obj = mSettings.getUserIdLPr(uid1); 2574 if (obj != null) { 2575 if (obj instanceof SharedUserSetting) { 2576 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2577 } else if (obj instanceof PackageSetting) { 2578 s1 = ((PackageSetting)obj).signatures.mSignatures; 2579 } else { 2580 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2581 } 2582 } else { 2583 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2584 } 2585 obj = mSettings.getUserIdLPr(uid2); 2586 if (obj != null) { 2587 if (obj instanceof SharedUserSetting) { 2588 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2589 } else if (obj instanceof PackageSetting) { 2590 s2 = ((PackageSetting)obj).signatures.mSignatures; 2591 } else { 2592 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2593 } 2594 } else { 2595 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2596 } 2597 return compareSignatures(s1, s2); 2598 } 2599 } 2600 2601 /** 2602 * Compares two sets of signatures. Returns: 2603 * <br /> 2604 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2605 * <br /> 2606 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2607 * <br /> 2608 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2609 * <br /> 2610 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2611 * <br /> 2612 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2613 */ 2614 static int compareSignatures(Signature[] s1, Signature[] s2) { 2615 if (s1 == null) { 2616 return s2 == null 2617 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2618 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2619 } 2620 2621 if (s2 == null) { 2622 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2623 } 2624 2625 if (s1.length != s2.length) { 2626 return PackageManager.SIGNATURE_NO_MATCH; 2627 } 2628 2629 // Since both signature sets are of size 1, we can compare without HashSets. 2630 if (s1.length == 1) { 2631 return s1[0].equals(s2[0]) ? 2632 PackageManager.SIGNATURE_MATCH : 2633 PackageManager.SIGNATURE_NO_MATCH; 2634 } 2635 2636 HashSet<Signature> set1 = new HashSet<Signature>(); 2637 for (Signature sig : s1) { 2638 set1.add(sig); 2639 } 2640 HashSet<Signature> set2 = new HashSet<Signature>(); 2641 for (Signature sig : s2) { 2642 set2.add(sig); 2643 } 2644 // Make sure s2 contains all signatures in s1. 2645 if (set1.equals(set2)) { 2646 return PackageManager.SIGNATURE_MATCH; 2647 } 2648 return PackageManager.SIGNATURE_NO_MATCH; 2649 } 2650 2651 public String[] getPackagesForUid(int uid) { 2652 uid = UserHandle.getAppId(uid); 2653 // reader 2654 synchronized (mPackages) { 2655 Object obj = mSettings.getUserIdLPr(uid); 2656 if (obj instanceof SharedUserSetting) { 2657 final SharedUserSetting sus = (SharedUserSetting) obj; 2658 final int N = sus.packages.size(); 2659 final String[] res = new String[N]; 2660 final Iterator<PackageSetting> it = sus.packages.iterator(); 2661 int i = 0; 2662 while (it.hasNext()) { 2663 res[i++] = it.next().name; 2664 } 2665 return res; 2666 } else if (obj instanceof PackageSetting) { 2667 final PackageSetting ps = (PackageSetting) obj; 2668 return new String[] { ps.name }; 2669 } 2670 } 2671 return null; 2672 } 2673 2674 public String getNameForUid(int uid) { 2675 // reader 2676 synchronized (mPackages) { 2677 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2678 if (obj instanceof SharedUserSetting) { 2679 final SharedUserSetting sus = (SharedUserSetting) obj; 2680 return sus.name + ":" + sus.userId; 2681 } else if (obj instanceof PackageSetting) { 2682 final PackageSetting ps = (PackageSetting) obj; 2683 return ps.name; 2684 } 2685 } 2686 return null; 2687 } 2688 2689 public int getUidForSharedUser(String sharedUserName) { 2690 if(sharedUserName == null) { 2691 return -1; 2692 } 2693 // reader 2694 synchronized (mPackages) { 2695 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2696 if (suid == null) { 2697 return -1; 2698 } 2699 return suid.userId; 2700 } 2701 } 2702 2703 public int getFlagsForUid(int uid) { 2704 synchronized (mPackages) { 2705 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2706 if (obj instanceof SharedUserSetting) { 2707 final SharedUserSetting sus = (SharedUserSetting) obj; 2708 return sus.pkgFlags; 2709 } else if (obj instanceof PackageSetting) { 2710 final PackageSetting ps = (PackageSetting) obj; 2711 return ps.pkgFlags; 2712 } 2713 } 2714 return 0; 2715 } 2716 2717 @Override 2718 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2719 int flags, int userId) { 2720 if (!sUserManager.exists(userId)) return null; 2721 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2722 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2723 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2724 } 2725 2726 @Override 2727 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2728 IntentFilter filter, int match, ComponentName activity) { 2729 final int userId = UserHandle.getCallingUserId(); 2730 if (DEBUG_PREFERRED) { 2731 Log.v(TAG, "setLastChosenActivity intent=" + intent 2732 + " resolvedType=" + resolvedType 2733 + " flags=" + flags 2734 + " filter=" + filter 2735 + " match=" + match 2736 + " activity=" + activity); 2737 filter.dump(new PrintStreamPrinter(System.out), " "); 2738 } 2739 intent.setComponent(null); 2740 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2741 // Find any earlier preferred or last chosen entries and nuke them 2742 findPreferredActivity(intent, resolvedType, 2743 flags, query, 0, false, true, false, userId); 2744 // Add the new activity as the last chosen for this filter 2745 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2746 } 2747 2748 @Override 2749 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2750 final int userId = UserHandle.getCallingUserId(); 2751 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2752 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2753 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2754 false, false, false, userId); 2755 } 2756 2757 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2758 int flags, List<ResolveInfo> query, int userId) { 2759 if (query != null) { 2760 final int N = query.size(); 2761 if (N == 1) { 2762 return query.get(0); 2763 } else if (N > 1) { 2764 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2765 // If there is more than one activity with the same priority, 2766 // then let the user decide between them. 2767 ResolveInfo r0 = query.get(0); 2768 ResolveInfo r1 = query.get(1); 2769 if (DEBUG_INTENT_MATCHING || debug) { 2770 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2771 + r1.activityInfo.name + "=" + r1.priority); 2772 } 2773 // If the first activity has a higher priority, or a different 2774 // default, then it is always desireable to pick it. 2775 if (r0.priority != r1.priority 2776 || r0.preferredOrder != r1.preferredOrder 2777 || r0.isDefault != r1.isDefault) { 2778 return query.get(0); 2779 } 2780 // If we have saved a preference for a preferred activity for 2781 // this Intent, use that. 2782 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2783 flags, query, r0.priority, true, false, debug, userId); 2784 if (ri != null) { 2785 return ri; 2786 } 2787 if (userId != 0) { 2788 ri = new ResolveInfo(mResolveInfo); 2789 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2790 ri.activityInfo.applicationInfo = new ApplicationInfo( 2791 ri.activityInfo.applicationInfo); 2792 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2793 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2794 return ri; 2795 } 2796 return mResolveInfo; 2797 } 2798 } 2799 return null; 2800 } 2801 2802 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2803 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2804 final int N = query.size(); 2805 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2806 .get(userId); 2807 // Get the list of persistent preferred activities that handle the intent 2808 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2809 List<PersistentPreferredActivity> pprefs = ppir != null 2810 ? ppir.queryIntent(intent, resolvedType, 2811 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2812 : null; 2813 if (pprefs != null && pprefs.size() > 0) { 2814 final int M = pprefs.size(); 2815 for (int i=0; i<M; i++) { 2816 final PersistentPreferredActivity ppa = pprefs.get(i); 2817 if (DEBUG_PREFERRED || debug) { 2818 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2819 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2820 + "\n component=" + ppa.mComponent); 2821 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2822 } 2823 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2824 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2825 if (DEBUG_PREFERRED || debug) { 2826 Slog.v(TAG, "Found persistent preferred activity:"); 2827 if (ai != null) { 2828 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2829 } else { 2830 Slog.v(TAG, " null"); 2831 } 2832 } 2833 if (ai == null) { 2834 // This previously registered persistent preferred activity 2835 // component is no longer known. Ignore it and do NOT remove it. 2836 continue; 2837 } 2838 for (int j=0; j<N; j++) { 2839 final ResolveInfo ri = query.get(j); 2840 if (!ri.activityInfo.applicationInfo.packageName 2841 .equals(ai.applicationInfo.packageName)) { 2842 continue; 2843 } 2844 if (!ri.activityInfo.name.equals(ai.name)) { 2845 continue; 2846 } 2847 // Found a persistent preference that can handle the intent. 2848 if (DEBUG_PREFERRED || debug) { 2849 Slog.v(TAG, "Returning persistent preferred activity: " + 2850 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2851 } 2852 return ri; 2853 } 2854 } 2855 } 2856 return null; 2857 } 2858 2859 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2860 List<ResolveInfo> query, int priority, boolean always, 2861 boolean removeMatches, boolean debug, int userId) { 2862 if (!sUserManager.exists(userId)) return null; 2863 // writer 2864 synchronized (mPackages) { 2865 if (intent.getSelector() != null) { 2866 intent = intent.getSelector(); 2867 } 2868 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2869 2870 // Try to find a matching persistent preferred activity. 2871 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 2872 debug, userId); 2873 2874 // If a persistent preferred activity matched, use it. 2875 if (pri != null) { 2876 return pri; 2877 } 2878 2879 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2880 // Get the list of preferred activities that handle the intent 2881 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2882 List<PreferredActivity> prefs = pir != null 2883 ? pir.queryIntent(intent, resolvedType, 2884 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2885 : null; 2886 if (prefs != null && prefs.size() > 0) { 2887 // First figure out how good the original match set is. 2888 // We will only allow preferred activities that came 2889 // from the same match quality. 2890 int match = 0; 2891 2892 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2893 2894 final int N = query.size(); 2895 for (int j=0; j<N; j++) { 2896 final ResolveInfo ri = query.get(j); 2897 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2898 + ": 0x" + Integer.toHexString(match)); 2899 if (ri.match > match) { 2900 match = ri.match; 2901 } 2902 } 2903 2904 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2905 + Integer.toHexString(match)); 2906 2907 match &= IntentFilter.MATCH_CATEGORY_MASK; 2908 final int M = prefs.size(); 2909 for (int i=0; i<M; i++) { 2910 final PreferredActivity pa = prefs.get(i); 2911 if (DEBUG_PREFERRED || debug) { 2912 Slog.v(TAG, "Checking PreferredActivity ds=" 2913 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2914 + "\n component=" + pa.mPref.mComponent); 2915 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2916 } 2917 if (pa.mPref.mMatch != match) { 2918 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2919 + Integer.toHexString(pa.mPref.mMatch)); 2920 continue; 2921 } 2922 // If it's not an "always" type preferred activity and that's what we're 2923 // looking for, skip it. 2924 if (always && !pa.mPref.mAlways) { 2925 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2926 continue; 2927 } 2928 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2929 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2930 if (DEBUG_PREFERRED || debug) { 2931 Slog.v(TAG, "Found preferred activity:"); 2932 if (ai != null) { 2933 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2934 } else { 2935 Slog.v(TAG, " null"); 2936 } 2937 } 2938 if (ai == null) { 2939 // This previously registered preferred activity 2940 // component is no longer known. Most likely an update 2941 // to the app was installed and in the new version this 2942 // component no longer exists. Clean it up by removing 2943 // it from the preferred activities list, and skip it. 2944 Slog.w(TAG, "Removing dangling preferred activity: " 2945 + pa.mPref.mComponent); 2946 pir.removeFilter(pa); 2947 continue; 2948 } 2949 for (int j=0; j<N; j++) { 2950 final ResolveInfo ri = query.get(j); 2951 if (!ri.activityInfo.applicationInfo.packageName 2952 .equals(ai.applicationInfo.packageName)) { 2953 continue; 2954 } 2955 if (!ri.activityInfo.name.equals(ai.name)) { 2956 continue; 2957 } 2958 2959 if (removeMatches) { 2960 pir.removeFilter(pa); 2961 if (DEBUG_PREFERRED) { 2962 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2963 } 2964 break; 2965 } 2966 2967 // Okay we found a previously set preferred or last chosen app. 2968 // If the result set is different from when this 2969 // was created, we need to clear it and re-ask the 2970 // user their preference, if we're looking for an "always" type entry. 2971 if (always && !pa.mPref.sameSet(query, priority)) { 2972 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2973 + intent + " type " + resolvedType); 2974 if (DEBUG_PREFERRED) { 2975 Slog.v(TAG, "Removing preferred activity since set changed " 2976 + pa.mPref.mComponent); 2977 } 2978 pir.removeFilter(pa); 2979 // Re-add the filter as a "last chosen" entry (!always) 2980 PreferredActivity lastChosen = new PreferredActivity( 2981 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2982 pir.addFilter(lastChosen); 2983 mSettings.writePackageRestrictionsLPr(userId); 2984 return null; 2985 } 2986 2987 // Yay! Either the set matched or we're looking for the last chosen 2988 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2989 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2990 mSettings.writePackageRestrictionsLPr(userId); 2991 return ri; 2992 } 2993 } 2994 } 2995 mSettings.writePackageRestrictionsLPr(userId); 2996 } 2997 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2998 return null; 2999 } 3000 3001 @Override 3002 public List<ResolveInfo> queryIntentActivities(Intent intent, 3003 String resolvedType, int flags, int userId) { 3004 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3005 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 3006 ComponentName comp = intent.getComponent(); 3007 if (comp == null) { 3008 if (intent.getSelector() != null) { 3009 intent = intent.getSelector(); 3010 comp = intent.getComponent(); 3011 } 3012 } 3013 3014 if (comp != null) { 3015 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3016 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3017 if (ai != null) { 3018 final ResolveInfo ri = new ResolveInfo(); 3019 ri.activityInfo = ai; 3020 list.add(ri); 3021 } 3022 return list; 3023 } 3024 3025 // reader 3026 synchronized (mPackages) { 3027 final String pkgName = intent.getPackage(); 3028 if (pkgName == null) { 3029 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3030 } 3031 final PackageParser.Package pkg = mPackages.get(pkgName); 3032 if (pkg != null) { 3033 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3034 pkg.activities, userId); 3035 } 3036 return new ArrayList<ResolveInfo>(); 3037 } 3038 } 3039 3040 @Override 3041 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3042 Intent[] specifics, String[] specificTypes, Intent intent, 3043 String resolvedType, int flags, int userId) { 3044 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3045 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3046 "query intent activity options"); 3047 final String resultsAction = intent.getAction(); 3048 3049 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3050 | PackageManager.GET_RESOLVED_FILTER, userId); 3051 3052 if (DEBUG_INTENT_MATCHING) { 3053 Log.v(TAG, "Query " + intent + ": " + results); 3054 } 3055 3056 int specificsPos = 0; 3057 int N; 3058 3059 // todo: note that the algorithm used here is O(N^2). This 3060 // isn't a problem in our current environment, but if we start running 3061 // into situations where we have more than 5 or 10 matches then this 3062 // should probably be changed to something smarter... 3063 3064 // First we go through and resolve each of the specific items 3065 // that were supplied, taking care of removing any corresponding 3066 // duplicate items in the generic resolve list. 3067 if (specifics != null) { 3068 for (int i=0; i<specifics.length; i++) { 3069 final Intent sintent = specifics[i]; 3070 if (sintent == null) { 3071 continue; 3072 } 3073 3074 if (DEBUG_INTENT_MATCHING) { 3075 Log.v(TAG, "Specific #" + i + ": " + sintent); 3076 } 3077 3078 String action = sintent.getAction(); 3079 if (resultsAction != null && resultsAction.equals(action)) { 3080 // If this action was explicitly requested, then don't 3081 // remove things that have it. 3082 action = null; 3083 } 3084 3085 ResolveInfo ri = null; 3086 ActivityInfo ai = null; 3087 3088 ComponentName comp = sintent.getComponent(); 3089 if (comp == null) { 3090 ri = resolveIntent( 3091 sintent, 3092 specificTypes != null ? specificTypes[i] : null, 3093 flags, userId); 3094 if (ri == null) { 3095 continue; 3096 } 3097 if (ri == mResolveInfo) { 3098 // ACK! Must do something better with this. 3099 } 3100 ai = ri.activityInfo; 3101 comp = new ComponentName(ai.applicationInfo.packageName, 3102 ai.name); 3103 } else { 3104 ai = getActivityInfo(comp, flags, userId); 3105 if (ai == null) { 3106 continue; 3107 } 3108 } 3109 3110 // Look for any generic query activities that are duplicates 3111 // of this specific one, and remove them from the results. 3112 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3113 N = results.size(); 3114 int j; 3115 for (j=specificsPos; j<N; j++) { 3116 ResolveInfo sri = results.get(j); 3117 if ((sri.activityInfo.name.equals(comp.getClassName()) 3118 && sri.activityInfo.applicationInfo.packageName.equals( 3119 comp.getPackageName())) 3120 || (action != null && sri.filter.matchAction(action))) { 3121 results.remove(j); 3122 if (DEBUG_INTENT_MATCHING) Log.v( 3123 TAG, "Removing duplicate item from " + j 3124 + " due to specific " + specificsPos); 3125 if (ri == null) { 3126 ri = sri; 3127 } 3128 j--; 3129 N--; 3130 } 3131 } 3132 3133 // Add this specific item to its proper place. 3134 if (ri == null) { 3135 ri = new ResolveInfo(); 3136 ri.activityInfo = ai; 3137 } 3138 results.add(specificsPos, ri); 3139 ri.specificIndex = i; 3140 specificsPos++; 3141 } 3142 } 3143 3144 // Now we go through the remaining generic results and remove any 3145 // duplicate actions that are found here. 3146 N = results.size(); 3147 for (int i=specificsPos; i<N-1; i++) { 3148 final ResolveInfo rii = results.get(i); 3149 if (rii.filter == null) { 3150 continue; 3151 } 3152 3153 // Iterate over all of the actions of this result's intent 3154 // filter... typically this should be just one. 3155 final Iterator<String> it = rii.filter.actionsIterator(); 3156 if (it == null) { 3157 continue; 3158 } 3159 while (it.hasNext()) { 3160 final String action = it.next(); 3161 if (resultsAction != null && resultsAction.equals(action)) { 3162 // If this action was explicitly requested, then don't 3163 // remove things that have it. 3164 continue; 3165 } 3166 for (int j=i+1; j<N; j++) { 3167 final ResolveInfo rij = results.get(j); 3168 if (rij.filter != null && rij.filter.hasAction(action)) { 3169 results.remove(j); 3170 if (DEBUG_INTENT_MATCHING) Log.v( 3171 TAG, "Removing duplicate item from " + j 3172 + " due to action " + action + " at " + i); 3173 j--; 3174 N--; 3175 } 3176 } 3177 } 3178 3179 // If the caller didn't request filter information, drop it now 3180 // so we don't have to marshall/unmarshall it. 3181 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3182 rii.filter = null; 3183 } 3184 } 3185 3186 // Filter out the caller activity if so requested. 3187 if (caller != null) { 3188 N = results.size(); 3189 for (int i=0; i<N; i++) { 3190 ActivityInfo ainfo = results.get(i).activityInfo; 3191 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3192 && caller.getClassName().equals(ainfo.name)) { 3193 results.remove(i); 3194 break; 3195 } 3196 } 3197 } 3198 3199 // If the caller didn't request filter information, 3200 // drop them now so we don't have to 3201 // marshall/unmarshall it. 3202 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3203 N = results.size(); 3204 for (int i=0; i<N; i++) { 3205 results.get(i).filter = null; 3206 } 3207 } 3208 3209 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3210 return results; 3211 } 3212 3213 @Override 3214 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3215 int userId) { 3216 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3217 ComponentName comp = intent.getComponent(); 3218 if (comp == null) { 3219 if (intent.getSelector() != null) { 3220 intent = intent.getSelector(); 3221 comp = intent.getComponent(); 3222 } 3223 } 3224 if (comp != null) { 3225 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3226 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3227 if (ai != null) { 3228 ResolveInfo ri = new ResolveInfo(); 3229 ri.activityInfo = ai; 3230 list.add(ri); 3231 } 3232 return list; 3233 } 3234 3235 // reader 3236 synchronized (mPackages) { 3237 String pkgName = intent.getPackage(); 3238 if (pkgName == null) { 3239 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3240 } 3241 final PackageParser.Package pkg = mPackages.get(pkgName); 3242 if (pkg != null) { 3243 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3244 userId); 3245 } 3246 return null; 3247 } 3248 } 3249 3250 @Override 3251 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3252 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3253 if (!sUserManager.exists(userId)) return null; 3254 if (query != null) { 3255 if (query.size() >= 1) { 3256 // If there is more than one service with the same priority, 3257 // just arbitrarily pick the first one. 3258 return query.get(0); 3259 } 3260 } 3261 return null; 3262 } 3263 3264 @Override 3265 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3266 int userId) { 3267 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3268 ComponentName comp = intent.getComponent(); 3269 if (comp == null) { 3270 if (intent.getSelector() != null) { 3271 intent = intent.getSelector(); 3272 comp = intent.getComponent(); 3273 } 3274 } 3275 if (comp != null) { 3276 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3277 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3278 if (si != null) { 3279 final ResolveInfo ri = new ResolveInfo(); 3280 ri.serviceInfo = si; 3281 list.add(ri); 3282 } 3283 return list; 3284 } 3285 3286 // reader 3287 synchronized (mPackages) { 3288 String pkgName = intent.getPackage(); 3289 if (pkgName == null) { 3290 return mServices.queryIntent(intent, resolvedType, flags, userId); 3291 } 3292 final PackageParser.Package pkg = mPackages.get(pkgName); 3293 if (pkg != null) { 3294 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3295 userId); 3296 } 3297 return null; 3298 } 3299 } 3300 3301 @Override 3302 public List<ResolveInfo> queryIntentContentProviders( 3303 Intent intent, String resolvedType, int flags, int userId) { 3304 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3305 ComponentName comp = intent.getComponent(); 3306 if (comp == null) { 3307 if (intent.getSelector() != null) { 3308 intent = intent.getSelector(); 3309 comp = intent.getComponent(); 3310 } 3311 } 3312 if (comp != null) { 3313 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3314 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3315 if (pi != null) { 3316 final ResolveInfo ri = new ResolveInfo(); 3317 ri.providerInfo = pi; 3318 list.add(ri); 3319 } 3320 return list; 3321 } 3322 3323 // reader 3324 synchronized (mPackages) { 3325 String pkgName = intent.getPackage(); 3326 if (pkgName == null) { 3327 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3328 } 3329 final PackageParser.Package pkg = mPackages.get(pkgName); 3330 if (pkg != null) { 3331 return mProviders.queryIntentForPackage( 3332 intent, resolvedType, flags, pkg.providers, userId); 3333 } 3334 return null; 3335 } 3336 } 3337 3338 @Override 3339 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3340 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3341 3342 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3343 3344 // writer 3345 synchronized (mPackages) { 3346 ArrayList<PackageInfo> list; 3347 if (listUninstalled) { 3348 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3349 for (PackageSetting ps : mSettings.mPackages.values()) { 3350 PackageInfo pi; 3351 if (ps.pkg != null) { 3352 pi = generatePackageInfo(ps.pkg, flags, userId); 3353 } else { 3354 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3355 } 3356 if (pi != null) { 3357 list.add(pi); 3358 } 3359 } 3360 } else { 3361 list = new ArrayList<PackageInfo>(mPackages.size()); 3362 for (PackageParser.Package p : mPackages.values()) { 3363 PackageInfo pi = generatePackageInfo(p, flags, userId); 3364 if (pi != null) { 3365 list.add(pi); 3366 } 3367 } 3368 } 3369 3370 return new ParceledListSlice<PackageInfo>(list); 3371 } 3372 } 3373 3374 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3375 String[] permissions, boolean[] tmp, int flags, int userId) { 3376 int numMatch = 0; 3377 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3378 for (int i=0; i<permissions.length; i++) { 3379 if (gp.grantedPermissions.contains(permissions[i])) { 3380 tmp[i] = true; 3381 numMatch++; 3382 } else { 3383 tmp[i] = false; 3384 } 3385 } 3386 if (numMatch == 0) { 3387 return; 3388 } 3389 PackageInfo pi; 3390 if (ps.pkg != null) { 3391 pi = generatePackageInfo(ps.pkg, flags, userId); 3392 } else { 3393 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3394 } 3395 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3396 if (numMatch == permissions.length) { 3397 pi.requestedPermissions = permissions; 3398 } else { 3399 pi.requestedPermissions = new String[numMatch]; 3400 numMatch = 0; 3401 for (int i=0; i<permissions.length; i++) { 3402 if (tmp[i]) { 3403 pi.requestedPermissions[numMatch] = permissions[i]; 3404 numMatch++; 3405 } 3406 } 3407 } 3408 } 3409 list.add(pi); 3410 } 3411 3412 @Override 3413 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3414 String[] permissions, int flags, int userId) { 3415 if (!sUserManager.exists(userId)) return null; 3416 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3417 3418 // writer 3419 synchronized (mPackages) { 3420 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3421 boolean[] tmpBools = new boolean[permissions.length]; 3422 if (listUninstalled) { 3423 for (PackageSetting ps : mSettings.mPackages.values()) { 3424 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3425 } 3426 } else { 3427 for (PackageParser.Package pkg : mPackages.values()) { 3428 PackageSetting ps = (PackageSetting)pkg.mExtras; 3429 if (ps != null) { 3430 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3431 userId); 3432 } 3433 } 3434 } 3435 3436 return new ParceledListSlice<PackageInfo>(list); 3437 } 3438 } 3439 3440 @Override 3441 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3442 if (!sUserManager.exists(userId)) return null; 3443 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3444 3445 // writer 3446 synchronized (mPackages) { 3447 ArrayList<ApplicationInfo> list; 3448 if (listUninstalled) { 3449 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3450 for (PackageSetting ps : mSettings.mPackages.values()) { 3451 ApplicationInfo ai; 3452 if (ps.pkg != null) { 3453 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3454 ps.readUserState(userId), userId); 3455 } else { 3456 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3457 } 3458 if (ai != null) { 3459 list.add(ai); 3460 } 3461 } 3462 } else { 3463 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3464 for (PackageParser.Package p : mPackages.values()) { 3465 if (p.mExtras != null) { 3466 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3467 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3468 if (ai != null) { 3469 list.add(ai); 3470 } 3471 } 3472 } 3473 } 3474 3475 return new ParceledListSlice<ApplicationInfo>(list); 3476 } 3477 } 3478 3479 public List<ApplicationInfo> getPersistentApplications(int flags) { 3480 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3481 3482 // reader 3483 synchronized (mPackages) { 3484 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3485 final int userId = UserHandle.getCallingUserId(); 3486 while (i.hasNext()) { 3487 final PackageParser.Package p = i.next(); 3488 if (p.applicationInfo != null 3489 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3490 && (!mSafeMode || isSystemApp(p))) { 3491 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3492 if (ps != null) { 3493 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3494 ps.readUserState(userId), userId); 3495 if (ai != null) { 3496 finalList.add(ai); 3497 } 3498 } 3499 } 3500 } 3501 } 3502 3503 return finalList; 3504 } 3505 3506 @Override 3507 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3508 if (!sUserManager.exists(userId)) return null; 3509 // reader 3510 synchronized (mPackages) { 3511 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3512 PackageSetting ps = provider != null 3513 ? mSettings.mPackages.get(provider.owner.packageName) 3514 : null; 3515 return ps != null 3516 && mSettings.isEnabledLPr(provider.info, flags, userId) 3517 && (!mSafeMode || (provider.info.applicationInfo.flags 3518 &ApplicationInfo.FLAG_SYSTEM) != 0) 3519 ? PackageParser.generateProviderInfo(provider, flags, 3520 ps.readUserState(userId), userId) 3521 : null; 3522 } 3523 } 3524 3525 /** 3526 * @deprecated 3527 */ 3528 @Deprecated 3529 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3530 // reader 3531 synchronized (mPackages) { 3532 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3533 .entrySet().iterator(); 3534 final int userId = UserHandle.getCallingUserId(); 3535 while (i.hasNext()) { 3536 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3537 PackageParser.Provider p = entry.getValue(); 3538 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3539 3540 if (ps != null && p.syncable 3541 && (!mSafeMode || (p.info.applicationInfo.flags 3542 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3543 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3544 ps.readUserState(userId), userId); 3545 if (info != null) { 3546 outNames.add(entry.getKey()); 3547 outInfo.add(info); 3548 } 3549 } 3550 } 3551 } 3552 } 3553 3554 public List<ProviderInfo> queryContentProviders(String processName, 3555 int uid, int flags) { 3556 ArrayList<ProviderInfo> finalList = null; 3557 // reader 3558 synchronized (mPackages) { 3559 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3560 final int userId = processName != null ? 3561 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3562 while (i.hasNext()) { 3563 final PackageParser.Provider p = i.next(); 3564 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3565 if (ps != null && p.info.authority != null 3566 && (processName == null 3567 || (p.info.processName.equals(processName) 3568 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3569 && mSettings.isEnabledLPr(p.info, flags, userId) 3570 && (!mSafeMode 3571 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3572 if (finalList == null) { 3573 finalList = new ArrayList<ProviderInfo>(3); 3574 } 3575 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3576 ps.readUserState(userId), userId); 3577 if (info != null) { 3578 finalList.add(info); 3579 } 3580 } 3581 } 3582 } 3583 3584 if (finalList != null) { 3585 Collections.sort(finalList, mProviderInitOrderSorter); 3586 } 3587 3588 return finalList; 3589 } 3590 3591 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3592 int flags) { 3593 // reader 3594 synchronized (mPackages) { 3595 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3596 return PackageParser.generateInstrumentationInfo(i, flags); 3597 } 3598 } 3599 3600 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3601 int flags) { 3602 ArrayList<InstrumentationInfo> finalList = 3603 new ArrayList<InstrumentationInfo>(); 3604 3605 // reader 3606 synchronized (mPackages) { 3607 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3608 while (i.hasNext()) { 3609 final PackageParser.Instrumentation p = i.next(); 3610 if (targetPackage == null 3611 || targetPackage.equals(p.info.targetPackage)) { 3612 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3613 flags); 3614 if (ii != null) { 3615 finalList.add(ii); 3616 } 3617 } 3618 } 3619 } 3620 3621 return finalList; 3622 } 3623 3624 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3625 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3626 if (overlays == null) { 3627 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3628 return; 3629 } 3630 for (PackageParser.Package opkg : overlays.values()) { 3631 // Not much to do if idmap fails: we already logged the error 3632 // and we certainly don't want to abort installation of pkg simply 3633 // because an overlay didn't fit properly. For these reasons, 3634 // ignore the return value of createIdmapForPackagePairLI. 3635 createIdmapForPackagePairLI(pkg, opkg); 3636 } 3637 } 3638 3639 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3640 PackageParser.Package opkg) { 3641 if (!opkg.mTrustedOverlay) { 3642 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3643 opkg.mScanPath + ": overlay not trusted"); 3644 return false; 3645 } 3646 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3647 if (overlaySet == null) { 3648 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3649 opkg.mScanPath + " but target package has no known overlays"); 3650 return false; 3651 } 3652 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3653 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3654 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3655 return false; 3656 } 3657 PackageParser.Package[] overlayArray = 3658 overlaySet.values().toArray(new PackageParser.Package[0]); 3659 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3660 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3661 return p1.mOverlayPriority - p2.mOverlayPriority; 3662 } 3663 }; 3664 Arrays.sort(overlayArray, cmp); 3665 3666 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3667 int i = 0; 3668 for (PackageParser.Package p : overlayArray) { 3669 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3670 } 3671 return true; 3672 } 3673 3674 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3675 String[] files = dir.list(); 3676 if (files == null) { 3677 Log.d(TAG, "No files in app dir " + dir); 3678 return; 3679 } 3680 3681 if (DEBUG_PACKAGE_SCANNING) { 3682 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3683 + " flags=0x" + Integer.toHexString(flags)); 3684 } 3685 3686 int i; 3687 for (i=0; i<files.length; i++) { 3688 File file = new File(dir, files[i]); 3689 if (!isPackageFilename(files[i])) { 3690 // Ignore entries which are not apk's 3691 continue; 3692 } 3693 PackageParser.Package pkg = scanPackageLI(file, 3694 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3695 // Don't mess around with apps in system partition. 3696 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3697 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3698 // Delete the apk 3699 Slog.w(TAG, "Cleaning up failed install of " + file); 3700 file.delete(); 3701 } 3702 } 3703 } 3704 3705 private static File getSettingsProblemFile() { 3706 File dataDir = Environment.getDataDirectory(); 3707 File systemDir = new File(dataDir, "system"); 3708 File fname = new File(systemDir, "uiderrors.txt"); 3709 return fname; 3710 } 3711 3712 static void reportSettingsProblem(int priority, String msg) { 3713 try { 3714 File fname = getSettingsProblemFile(); 3715 FileOutputStream out = new FileOutputStream(fname, true); 3716 PrintWriter pw = new FastPrintWriter(out); 3717 SimpleDateFormat formatter = new SimpleDateFormat(); 3718 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3719 pw.println(dateString + ": " + msg); 3720 pw.close(); 3721 FileUtils.setPermissions( 3722 fname.toString(), 3723 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3724 -1, -1); 3725 } catch (java.io.IOException e) { 3726 } 3727 Slog.println(priority, TAG, msg); 3728 } 3729 3730 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3731 PackageParser.Package pkg, File srcFile, int parseFlags) { 3732 if (GET_CERTIFICATES) { 3733 if (ps != null 3734 && ps.codePath.equals(srcFile) 3735 && ps.timeStamp == srcFile.lastModified()) { 3736 if (ps.signatures.mSignatures != null 3737 && ps.signatures.mSignatures.length != 0) { 3738 // Optimization: reuse the existing cached certificates 3739 // if the package appears to be unchanged. 3740 pkg.mSignatures = ps.signatures.mSignatures; 3741 return true; 3742 } 3743 3744 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3745 } else { 3746 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3747 } 3748 3749 if (!pp.collectCertificates(pkg, parseFlags)) { 3750 mLastScanError = pp.getParseError(); 3751 return false; 3752 } 3753 } 3754 return true; 3755 } 3756 3757 /* 3758 * Scan a package and return the newly parsed package. 3759 * Returns null in case of errors and the error code is stored in mLastScanError 3760 */ 3761 private PackageParser.Package scanPackageLI(File scanFile, 3762 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3763 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3764 String scanPath = scanFile.getPath(); 3765 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3766 parseFlags |= mDefParseFlags; 3767 PackageParser pp = new PackageParser(scanPath); 3768 pp.setSeparateProcesses(mSeparateProcesses); 3769 pp.setOnlyCoreApps(mOnlyCore); 3770 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3771 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3772 3773 if (pkg == null) { 3774 mLastScanError = pp.getParseError(); 3775 return null; 3776 } 3777 3778 PackageSetting ps = null; 3779 PackageSetting updatedPkg; 3780 // reader 3781 synchronized (mPackages) { 3782 // Look to see if we already know about this package. 3783 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3784 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3785 // This package has been renamed to its original name. Let's 3786 // use that. 3787 ps = mSettings.peekPackageLPr(oldName); 3788 } 3789 // If there was no original package, see one for the real package name. 3790 if (ps == null) { 3791 ps = mSettings.peekPackageLPr(pkg.packageName); 3792 } 3793 // Check to see if this package could be hiding/updating a system 3794 // package. Must look for it either under the original or real 3795 // package name depending on our state. 3796 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3797 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3798 } 3799 boolean updatedPkgBetter = false; 3800 // First check if this is a system package that may involve an update 3801 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3802 if (ps != null && !ps.codePath.equals(scanFile)) { 3803 // The path has changed from what was last scanned... check the 3804 // version of the new path against what we have stored to determine 3805 // what to do. 3806 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3807 if (pkg.mVersionCode < ps.versionCode) { 3808 // The system package has been updated and the code path does not match 3809 // Ignore entry. Skip it. 3810 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3811 + " ignored: updated version " + ps.versionCode 3812 + " better than this " + pkg.mVersionCode); 3813 if (!updatedPkg.codePath.equals(scanFile)) { 3814 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3815 + ps.name + " changing from " + updatedPkg.codePathString 3816 + " to " + scanFile); 3817 updatedPkg.codePath = scanFile; 3818 updatedPkg.codePathString = scanFile.toString(); 3819 // This is the point at which we know that the system-disk APK 3820 // for this package has moved during a reboot (e.g. due to an OTA), 3821 // so we need to reevaluate it for privilege policy. 3822 if (locationIsPrivileged(scanFile)) { 3823 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3824 } 3825 } 3826 updatedPkg.pkg = pkg; 3827 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3828 return null; 3829 } else { 3830 // The current app on the system partion is better than 3831 // what we have updated to on the data partition; switch 3832 // back to the system partition version. 3833 // At this point, its safely assumed that package installation for 3834 // apps in system partition will go through. If not there won't be a working 3835 // version of the app 3836 // writer 3837 synchronized (mPackages) { 3838 // Just remove the loaded entries from package lists. 3839 mPackages.remove(ps.name); 3840 } 3841 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3842 + "reverting from " + ps.codePathString 3843 + ": new version " + pkg.mVersionCode 3844 + " better than installed " + ps.versionCode); 3845 3846 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3847 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3848 synchronized (mInstallLock) { 3849 args.cleanUpResourcesLI(); 3850 } 3851 synchronized (mPackages) { 3852 mSettings.enableSystemPackageLPw(ps.name); 3853 } 3854 updatedPkgBetter = true; 3855 } 3856 } 3857 } 3858 3859 if (updatedPkg != null) { 3860 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3861 // initially 3862 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3863 3864 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3865 // flag set initially 3866 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3867 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3868 } 3869 } 3870 // Verify certificates against what was last scanned 3871 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3872 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3873 return null; 3874 } 3875 3876 /* 3877 * A new system app appeared, but we already had a non-system one of the 3878 * same name installed earlier. 3879 */ 3880 boolean shouldHideSystemApp = false; 3881 if (updatedPkg == null && ps != null 3882 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3883 /* 3884 * Check to make sure the signatures match first. If they don't, 3885 * wipe the installed application and its data. 3886 */ 3887 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3888 != PackageManager.SIGNATURE_MATCH) { 3889 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3890 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3891 ps = null; 3892 } else { 3893 /* 3894 * If the newly-added system app is an older version than the 3895 * already installed version, hide it. It will be scanned later 3896 * and re-added like an update. 3897 */ 3898 if (pkg.mVersionCode < ps.versionCode) { 3899 shouldHideSystemApp = true; 3900 } else { 3901 /* 3902 * The newly found system app is a newer version that the 3903 * one previously installed. Simply remove the 3904 * already-installed application and replace it with our own 3905 * while keeping the application data. 3906 */ 3907 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3908 + ps.codePathString + ": new version " + pkg.mVersionCode 3909 + " better than installed " + ps.versionCode); 3910 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3911 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3912 synchronized (mInstallLock) { 3913 args.cleanUpResourcesLI(); 3914 } 3915 } 3916 } 3917 } 3918 3919 // The apk is forward locked (not public) if its code and resources 3920 // are kept in different files. (except for app in either system or 3921 // vendor path). 3922 // TODO grab this value from PackageSettings 3923 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3924 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3925 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3926 } 3927 } 3928 3929 String codePath = null; 3930 String resPath = null; 3931 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 3932 if (ps != null && ps.resourcePathString != null) { 3933 resPath = ps.resourcePathString; 3934 } else { 3935 // Should not happen at all. Just log an error. 3936 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3937 } 3938 } else { 3939 resPath = pkg.mScanPath; 3940 } 3941 3942 codePath = pkg.mScanPath; 3943 // Set application objects path explicitly. 3944 setApplicationInfoPaths(pkg, codePath, resPath); 3945 // Note that we invoke the following method only if we are about to unpack an application 3946 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3947 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3948 3949 /* 3950 * If the system app should be overridden by a previously installed 3951 * data, hide the system app now and let the /data/app scan pick it up 3952 * again. 3953 */ 3954 if (shouldHideSystemApp) { 3955 synchronized (mPackages) { 3956 /* 3957 * We have to grant systems permissions before we hide, because 3958 * grantPermissions will assume the package update is trying to 3959 * expand its permissions. 3960 */ 3961 grantPermissionsLPw(pkg, true); 3962 mSettings.disableSystemPackageLPw(pkg.packageName); 3963 } 3964 } 3965 3966 return scannedPkg; 3967 } 3968 3969 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3970 String destResPath) { 3971 pkg.mPath = pkg.mScanPath = destCodePath; 3972 pkg.applicationInfo.sourceDir = destCodePath; 3973 pkg.applicationInfo.publicSourceDir = destResPath; 3974 } 3975 3976 private static String fixProcessName(String defProcessName, 3977 String processName, int uid) { 3978 if (processName == null) { 3979 return defProcessName; 3980 } 3981 return processName; 3982 } 3983 3984 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3985 PackageParser.Package pkg) { 3986 if (pkgSetting.signatures.mSignatures != null) { 3987 // Already existing package. Make sure signatures match 3988 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3989 PackageManager.SIGNATURE_MATCH) { 3990 Slog.e(TAG, "Package " + pkg.packageName 3991 + " signatures do not match the previously installed version; ignoring!"); 3992 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3993 return false; 3994 } 3995 } 3996 // Check for shared user signatures 3997 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3998 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3999 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4000 Slog.e(TAG, "Package " + pkg.packageName 4001 + " has no signatures that match those in shared user " 4002 + pkgSetting.sharedUser.name + "; ignoring!"); 4003 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 4004 return false; 4005 } 4006 } 4007 return true; 4008 } 4009 4010 /** 4011 * Enforces that only the system UID or root's UID can call a method exposed 4012 * via Binder. 4013 * 4014 * @param message used as message if SecurityException is thrown 4015 * @throws SecurityException if the caller is not system or root 4016 */ 4017 private static final void enforceSystemOrRoot(String message) { 4018 final int uid = Binder.getCallingUid(); 4019 if (uid != Process.SYSTEM_UID && uid != 0) { 4020 throw new SecurityException(message); 4021 } 4022 } 4023 4024 public void performBootDexOpt() { 4025 HashSet<PackageParser.Package> pkgs = null; 4026 synchronized (mPackages) { 4027 pkgs = mDeferredDexOpt; 4028 mDeferredDexOpt = null; 4029 } 4030 if (pkgs != null) { 4031 int i = 0; 4032 for (PackageParser.Package pkg : pkgs) { 4033 if (!isFirstBoot()) { 4034 i++; 4035 try { 4036 ActivityManagerNative.getDefault().showBootMessage( 4037 mContext.getResources().getString( 4038 com.android.internal.R.string.android_upgrading_apk, 4039 i, pkgs.size()), true); 4040 } catch (RemoteException e) { 4041 } 4042 } 4043 PackageParser.Package p = pkg; 4044 synchronized (mInstallLock) { 4045 if (!p.mDidDexOpt) { 4046 performDexOptLI(p, false, false, true); 4047 } 4048 } 4049 } 4050 } 4051 } 4052 4053 public boolean performDexOpt(String packageName) { 4054 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4055 4056 if (!mNoDexOpt) { 4057 return false; 4058 } 4059 4060 PackageParser.Package p; 4061 synchronized (mPackages) { 4062 p = mPackages.get(packageName); 4063 if (p == null || p.mDidDexOpt) { 4064 return false; 4065 } 4066 } 4067 synchronized (mInstallLock) { 4068 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 4069 } 4070 } 4071 4072 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 4073 HashSet<String> done) { 4074 for (int i=0; i<libs.size(); i++) { 4075 PackageParser.Package libPkg; 4076 String libName; 4077 synchronized (mPackages) { 4078 libName = libs.get(i); 4079 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4080 if (lib != null && lib.apk != null) { 4081 libPkg = mPackages.get(lib.apk); 4082 } else { 4083 libPkg = null; 4084 } 4085 } 4086 if (libPkg != null && !done.contains(libName)) { 4087 performDexOptLI(libPkg, forceDex, defer, done); 4088 } 4089 } 4090 } 4091 4092 static final int DEX_OPT_SKIPPED = 0; 4093 static final int DEX_OPT_PERFORMED = 1; 4094 static final int DEX_OPT_DEFERRED = 2; 4095 static final int DEX_OPT_FAILED = -1; 4096 4097 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4098 HashSet<String> done) { 4099 boolean performed = false; 4100 if (done != null) { 4101 done.add(pkg.packageName); 4102 if (pkg.usesLibraries != null) { 4103 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4104 } 4105 if (pkg.usesOptionalLibraries != null) { 4106 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4107 } 4108 } 4109 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4110 String path = pkg.mScanPath; 4111 int ret = 0; 4112 try { 4113 if (forceDex || dalvik.system.DexFile.isDexOptNeededInternal(path, pkg.packageName, 4114 defer)) { 4115 if (!forceDex && defer) { 4116 if (mDeferredDexOpt == null) { 4117 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4118 } 4119 mDeferredDexOpt.add(pkg); 4120 return DEX_OPT_DEFERRED; 4121 } else { 4122 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4123 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4124 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4125 pkg.packageName); 4126 pkg.mDidDexOpt = true; 4127 performed = true; 4128 } 4129 } 4130 } catch (FileNotFoundException e) { 4131 Slog.w(TAG, "Apk not found for dexopt: " + path); 4132 ret = -1; 4133 } catch (IOException e) { 4134 Slog.w(TAG, "IOException reading apk: " + path, e); 4135 ret = -1; 4136 } catch (dalvik.system.StaleDexCacheError e) { 4137 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4138 ret = -1; 4139 } catch (Exception e) { 4140 Slog.w(TAG, "Exception when doing dexopt : ", e); 4141 ret = -1; 4142 } 4143 if (ret < 0) { 4144 //error from installer 4145 return DEX_OPT_FAILED; 4146 } 4147 } 4148 4149 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4150 } 4151 4152 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4153 boolean inclDependencies) { 4154 HashSet<String> done; 4155 boolean performed = false; 4156 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4157 done = new HashSet<String>(); 4158 done.add(pkg.packageName); 4159 } else { 4160 done = null; 4161 } 4162 return performDexOptLI(pkg, forceDex, defer, done); 4163 } 4164 4165 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4166 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4167 Slog.w(TAG, "Unable to update from " + oldPkg.name 4168 + " to " + newPkg.packageName 4169 + ": old package not in system partition"); 4170 return false; 4171 } else if (mPackages.get(oldPkg.name) != null) { 4172 Slog.w(TAG, "Unable to update from " + oldPkg.name 4173 + " to " + newPkg.packageName 4174 + ": old package still exists"); 4175 return false; 4176 } 4177 return true; 4178 } 4179 4180 File getDataPathForUser(int userId) { 4181 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4182 } 4183 4184 private File getDataPathForPackage(String packageName, int userId) { 4185 /* 4186 * Until we fully support multiple users, return the directory we 4187 * previously would have. The PackageManagerTests will need to be 4188 * revised when this is changed back.. 4189 */ 4190 if (userId == 0) { 4191 return new File(mAppDataDir, packageName); 4192 } else { 4193 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4194 + File.separator + packageName); 4195 } 4196 } 4197 4198 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4199 int[] users = sUserManager.getUserIds(); 4200 int res = mInstaller.install(packageName, uid, uid, seinfo); 4201 if (res < 0) { 4202 return res; 4203 } 4204 for (int user : users) { 4205 if (user != 0) { 4206 res = mInstaller.createUserData(packageName, 4207 UserHandle.getUid(user, uid), user, seinfo); 4208 if (res < 0) { 4209 return res; 4210 } 4211 } 4212 } 4213 return res; 4214 } 4215 4216 private int removeDataDirsLI(String packageName) { 4217 int[] users = sUserManager.getUserIds(); 4218 int res = 0; 4219 for (int user : users) { 4220 int resInner = mInstaller.remove(packageName, user); 4221 if (resInner < 0) { 4222 res = resInner; 4223 } 4224 } 4225 4226 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4227 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4228 if (!nativeLibraryFile.delete()) { 4229 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4230 } 4231 4232 return res; 4233 } 4234 4235 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4236 PackageParser.Package changingLib) { 4237 if (file.path != null) { 4238 mTmpSharedLibraries[num] = file.path; 4239 return num+1; 4240 } 4241 PackageParser.Package p = mPackages.get(file.apk); 4242 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4243 // If we are doing this while in the middle of updating a library apk, 4244 // then we need to make sure to use that new apk for determining the 4245 // dependencies here. (We haven't yet finished committing the new apk 4246 // to the package manager state.) 4247 if (p == null || p.packageName.equals(changingLib.packageName)) { 4248 p = changingLib; 4249 } 4250 } 4251 if (p != null) { 4252 String path = p.mPath; 4253 for (int i=0; i<num; i++) { 4254 if (mTmpSharedLibraries[i].equals(path)) { 4255 return num; 4256 } 4257 } 4258 mTmpSharedLibraries[num] = p.mPath; 4259 return num+1; 4260 } 4261 return num; 4262 } 4263 4264 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4265 PackageParser.Package changingLib) { 4266 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4267 if (mTmpSharedLibraries == null || 4268 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4269 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4270 } 4271 int num = 0; 4272 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4273 for (int i=0; i<N; i++) { 4274 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4275 if (file == null) { 4276 Slog.e(TAG, "Package " + pkg.packageName 4277 + " requires unavailable shared library " 4278 + pkg.usesLibraries.get(i) + "; failing!"); 4279 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4280 return false; 4281 } 4282 num = addSharedLibraryLPw(file, num, changingLib); 4283 } 4284 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4285 for (int i=0; i<N; i++) { 4286 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4287 if (file == null) { 4288 Slog.w(TAG, "Package " + pkg.packageName 4289 + " desires unavailable shared library " 4290 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4291 } else { 4292 num = addSharedLibraryLPw(file, num, changingLib); 4293 } 4294 } 4295 if (num > 0) { 4296 pkg.usesLibraryFiles = new String[num]; 4297 System.arraycopy(mTmpSharedLibraries, 0, 4298 pkg.usesLibraryFiles, 0, num); 4299 } else { 4300 pkg.usesLibraryFiles = null; 4301 } 4302 } 4303 return true; 4304 } 4305 4306 private static boolean hasString(List<String> list, List<String> which) { 4307 if (list == null) { 4308 return false; 4309 } 4310 for (int i=list.size()-1; i>=0; i--) { 4311 for (int j=which.size()-1; j>=0; j--) { 4312 if (which.get(j).equals(list.get(i))) { 4313 return true; 4314 } 4315 } 4316 } 4317 return false; 4318 } 4319 4320 private void updateAllSharedLibrariesLPw() { 4321 for (PackageParser.Package pkg : mPackages.values()) { 4322 updateSharedLibrariesLPw(pkg, null); 4323 } 4324 } 4325 4326 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4327 PackageParser.Package changingPkg) { 4328 ArrayList<PackageParser.Package> res = null; 4329 for (PackageParser.Package pkg : mPackages.values()) { 4330 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4331 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4332 if (res == null) { 4333 res = new ArrayList<PackageParser.Package>(); 4334 } 4335 res.add(pkg); 4336 updateSharedLibrariesLPw(pkg, changingPkg); 4337 } 4338 } 4339 return res; 4340 } 4341 4342 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4343 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4344 File scanFile = new File(pkg.mScanPath); 4345 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4346 pkg.applicationInfo.publicSourceDir == null) { 4347 // Bail out. The resource and code paths haven't been set. 4348 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4349 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4350 return null; 4351 } 4352 4353 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4354 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4355 } 4356 4357 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4358 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4359 } 4360 4361 if (mCustomResolverComponentName != null && 4362 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4363 setUpCustomResolverActivity(pkg); 4364 } 4365 4366 if (pkg.packageName.equals("android")) { 4367 synchronized (mPackages) { 4368 if (mAndroidApplication != null) { 4369 Slog.w(TAG, "*************************************************"); 4370 Slog.w(TAG, "Core android package being redefined. Skipping."); 4371 Slog.w(TAG, " file=" + scanFile); 4372 Slog.w(TAG, "*************************************************"); 4373 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4374 return null; 4375 } 4376 4377 // Set up information for our fall-back user intent resolution activity. 4378 mPlatformPackage = pkg; 4379 pkg.mVersionCode = mSdkVersion; 4380 mAndroidApplication = pkg.applicationInfo; 4381 4382 if (!mResolverReplaced) { 4383 mResolveActivity.applicationInfo = mAndroidApplication; 4384 mResolveActivity.name = ResolverActivity.class.getName(); 4385 mResolveActivity.packageName = mAndroidApplication.packageName; 4386 mResolveActivity.processName = "system:ui"; 4387 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4388 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4389 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4390 mResolveActivity.exported = true; 4391 mResolveActivity.enabled = true; 4392 mResolveInfo.activityInfo = mResolveActivity; 4393 mResolveInfo.priority = 0; 4394 mResolveInfo.preferredOrder = 0; 4395 mResolveInfo.match = 0; 4396 mResolveComponentName = new ComponentName( 4397 mAndroidApplication.packageName, mResolveActivity.name); 4398 } 4399 } 4400 } 4401 4402 if (DEBUG_PACKAGE_SCANNING) { 4403 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4404 Log.d(TAG, "Scanning package " + pkg.packageName); 4405 } 4406 4407 if (mPackages.containsKey(pkg.packageName) 4408 || mSharedLibraries.containsKey(pkg.packageName)) { 4409 Slog.w(TAG, "Application package " + pkg.packageName 4410 + " already installed. Skipping duplicate."); 4411 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4412 return null; 4413 } 4414 4415 // Initialize package source and resource directories 4416 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4417 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4418 4419 SharedUserSetting suid = null; 4420 PackageSetting pkgSetting = null; 4421 4422 if (!isSystemApp(pkg)) { 4423 // Only system apps can use these features. 4424 pkg.mOriginalPackages = null; 4425 pkg.mRealPackage = null; 4426 pkg.mAdoptPermissions = null; 4427 } 4428 4429 // writer 4430 synchronized (mPackages) { 4431 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4432 // Check all shared libraries and map to their actual file path. 4433 // We only do this here for apps not on a system dir, because those 4434 // are the only ones that can fail an install due to this. We 4435 // will take care of the system apps by updating all of their 4436 // library paths after the scan is done. 4437 if (!updateSharedLibrariesLPw(pkg, null)) { 4438 return null; 4439 } 4440 } 4441 4442 if (pkg.mSharedUserId != null) { 4443 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4444 if (suid == null) { 4445 Slog.w(TAG, "Creating application package " + pkg.packageName 4446 + " for shared user failed"); 4447 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4448 return null; 4449 } 4450 if (DEBUG_PACKAGE_SCANNING) { 4451 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4452 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4453 + "): packages=" + suid.packages); 4454 } 4455 } 4456 4457 // Check if we are renaming from an original package name. 4458 PackageSetting origPackage = null; 4459 String realName = null; 4460 if (pkg.mOriginalPackages != null) { 4461 // This package may need to be renamed to a previously 4462 // installed name. Let's check on that... 4463 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4464 if (pkg.mOriginalPackages.contains(renamed)) { 4465 // This package had originally been installed as the 4466 // original name, and we have already taken care of 4467 // transitioning to the new one. Just update the new 4468 // one to continue using the old name. 4469 realName = pkg.mRealPackage; 4470 if (!pkg.packageName.equals(renamed)) { 4471 // Callers into this function may have already taken 4472 // care of renaming the package; only do it here if 4473 // it is not already done. 4474 pkg.setPackageName(renamed); 4475 } 4476 4477 } else { 4478 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4479 if ((origPackage = mSettings.peekPackageLPr( 4480 pkg.mOriginalPackages.get(i))) != null) { 4481 // We do have the package already installed under its 4482 // original name... should we use it? 4483 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4484 // New package is not compatible with original. 4485 origPackage = null; 4486 continue; 4487 } else if (origPackage.sharedUser != null) { 4488 // Make sure uid is compatible between packages. 4489 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4490 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4491 + " to " + pkg.packageName + ": old uid " 4492 + origPackage.sharedUser.name 4493 + " differs from " + pkg.mSharedUserId); 4494 origPackage = null; 4495 continue; 4496 } 4497 } else { 4498 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4499 + pkg.packageName + " to old name " + origPackage.name); 4500 } 4501 break; 4502 } 4503 } 4504 } 4505 } 4506 4507 if (mTransferedPackages.contains(pkg.packageName)) { 4508 Slog.w(TAG, "Package " + pkg.packageName 4509 + " was transferred to another, but its .apk remains"); 4510 } 4511 4512 // Just create the setting, don't add it yet. For already existing packages 4513 // the PkgSetting exists already and doesn't have to be created. 4514 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4515 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4516 pkg.applicationInfo.flags, user, false); 4517 if (pkgSetting == null) { 4518 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4519 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4520 return null; 4521 } 4522 4523 if (pkgSetting.origPackage != null) { 4524 // If we are first transitioning from an original package, 4525 // fix up the new package's name now. We need to do this after 4526 // looking up the package under its new name, so getPackageLP 4527 // can take care of fiddling things correctly. 4528 pkg.setPackageName(origPackage.name); 4529 4530 // File a report about this. 4531 String msg = "New package " + pkgSetting.realName 4532 + " renamed to replace old package " + pkgSetting.name; 4533 reportSettingsProblem(Log.WARN, msg); 4534 4535 // Make a note of it. 4536 mTransferedPackages.add(origPackage.name); 4537 4538 // No longer need to retain this. 4539 pkgSetting.origPackage = null; 4540 } 4541 4542 if (realName != null) { 4543 // Make a note of it. 4544 mTransferedPackages.add(pkg.packageName); 4545 } 4546 4547 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4548 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4549 } 4550 4551 if (mFoundPolicyFile) { 4552 SELinuxMMAC.assignSeinfoValue(pkg); 4553 } 4554 4555 pkg.applicationInfo.uid = pkgSetting.appId; 4556 pkg.mExtras = pkgSetting; 4557 4558 if (!verifySignaturesLP(pkgSetting, pkg)) { 4559 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4560 return null; 4561 } 4562 // The signature has changed, but this package is in the system 4563 // image... let's recover! 4564 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4565 // However... if this package is part of a shared user, but it 4566 // doesn't match the signature of the shared user, let's fail. 4567 // What this means is that you can't change the signatures 4568 // associated with an overall shared user, which doesn't seem all 4569 // that unreasonable. 4570 if (pkgSetting.sharedUser != null) { 4571 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4572 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4573 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4574 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4575 return null; 4576 } 4577 } 4578 // File a report about this. 4579 String msg = "System package " + pkg.packageName 4580 + " signature changed; retaining data."; 4581 reportSettingsProblem(Log.WARN, msg); 4582 } 4583 4584 // Verify that this new package doesn't have any content providers 4585 // that conflict with existing packages. Only do this if the 4586 // package isn't already installed, since we don't want to break 4587 // things that are installed. 4588 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4589 final int N = pkg.providers.size(); 4590 int i; 4591 for (i=0; i<N; i++) { 4592 PackageParser.Provider p = pkg.providers.get(i); 4593 if (p.info.authority != null) { 4594 String names[] = p.info.authority.split(";"); 4595 for (int j = 0; j < names.length; j++) { 4596 if (mProvidersByAuthority.containsKey(names[j])) { 4597 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4598 Slog.w(TAG, "Can't install because provider name " + names[j] + 4599 " (in package " + pkg.applicationInfo.packageName + 4600 ") is already used by " 4601 + ((other != null && other.getComponentName() != null) 4602 ? other.getComponentName().getPackageName() : "?")); 4603 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4604 return null; 4605 } 4606 } 4607 } 4608 } 4609 } 4610 4611 if (pkg.mAdoptPermissions != null) { 4612 // This package wants to adopt ownership of permissions from 4613 // another package. 4614 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4615 final String origName = pkg.mAdoptPermissions.get(i); 4616 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4617 if (orig != null) { 4618 if (verifyPackageUpdateLPr(orig, pkg)) { 4619 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4620 + pkg.packageName); 4621 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4622 } 4623 } 4624 } 4625 } 4626 } 4627 4628 final String pkgName = pkg.packageName; 4629 4630 final long scanFileTime = scanFile.lastModified(); 4631 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4632 pkg.applicationInfo.processName = fixProcessName( 4633 pkg.applicationInfo.packageName, 4634 pkg.applicationInfo.processName, 4635 pkg.applicationInfo.uid); 4636 4637 File dataPath; 4638 if (mPlatformPackage == pkg) { 4639 // The system package is special. 4640 dataPath = new File (Environment.getDataDirectory(), "system"); 4641 pkg.applicationInfo.dataDir = dataPath.getPath(); 4642 } else { 4643 // This is a normal package, need to make its data directory. 4644 dataPath = getDataPathForPackage(pkg.packageName, 0); 4645 4646 boolean uidError = false; 4647 4648 if (dataPath.exists()) { 4649 int currentUid = 0; 4650 try { 4651 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4652 currentUid = stat.st_uid; 4653 } catch (ErrnoException e) { 4654 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4655 } 4656 4657 // If we have mismatched owners for the data path, we have a problem. 4658 if (currentUid != pkg.applicationInfo.uid) { 4659 boolean recovered = false; 4660 if (currentUid == 0) { 4661 // The directory somehow became owned by root. Wow. 4662 // This is probably because the system was stopped while 4663 // installd was in the middle of messing with its libs 4664 // directory. Ask installd to fix that. 4665 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4666 pkg.applicationInfo.uid); 4667 if (ret >= 0) { 4668 recovered = true; 4669 String msg = "Package " + pkg.packageName 4670 + " unexpectedly changed to uid 0; recovered to " + 4671 + pkg.applicationInfo.uid; 4672 reportSettingsProblem(Log.WARN, msg); 4673 } 4674 } 4675 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4676 || (scanMode&SCAN_BOOTING) != 0)) { 4677 // If this is a system app, we can at least delete its 4678 // current data so the application will still work. 4679 int ret = removeDataDirsLI(pkgName); 4680 if (ret >= 0) { 4681 // TODO: Kill the processes first 4682 // Old data gone! 4683 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4684 ? "System package " : "Third party package "; 4685 String msg = prefix + pkg.packageName 4686 + " has changed from uid: " 4687 + currentUid + " to " 4688 + pkg.applicationInfo.uid + "; old data erased"; 4689 reportSettingsProblem(Log.WARN, msg); 4690 recovered = true; 4691 4692 // And now re-install the app. 4693 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4694 pkg.applicationInfo.seinfo); 4695 if (ret == -1) { 4696 // Ack should not happen! 4697 msg = prefix + pkg.packageName 4698 + " could not have data directory re-created after delete."; 4699 reportSettingsProblem(Log.WARN, msg); 4700 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4701 return null; 4702 } 4703 } 4704 if (!recovered) { 4705 mHasSystemUidErrors = true; 4706 } 4707 } else if (!recovered) { 4708 // If we allow this install to proceed, we will be broken. 4709 // Abort, abort! 4710 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4711 return null; 4712 } 4713 if (!recovered) { 4714 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4715 + pkg.applicationInfo.uid + "/fs_" 4716 + currentUid; 4717 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4718 String msg = "Package " + pkg.packageName 4719 + " has mismatched uid: " 4720 + currentUid + " on disk, " 4721 + pkg.applicationInfo.uid + " in settings"; 4722 // writer 4723 synchronized (mPackages) { 4724 mSettings.mReadMessages.append(msg); 4725 mSettings.mReadMessages.append('\n'); 4726 uidError = true; 4727 if (!pkgSetting.uidError) { 4728 reportSettingsProblem(Log.ERROR, msg); 4729 } 4730 } 4731 } 4732 } 4733 pkg.applicationInfo.dataDir = dataPath.getPath(); 4734 } else { 4735 if (DEBUG_PACKAGE_SCANNING) { 4736 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4737 Log.v(TAG, "Want this data dir: " + dataPath); 4738 } 4739 //invoke installer to do the actual installation 4740 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4741 pkg.applicationInfo.seinfo); 4742 if (ret < 0) { 4743 // Error from installer 4744 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4745 return null; 4746 } 4747 4748 if (dataPath.exists()) { 4749 pkg.applicationInfo.dataDir = dataPath.getPath(); 4750 } else { 4751 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4752 pkg.applicationInfo.dataDir = null; 4753 } 4754 } 4755 4756 /* 4757 * Set the data dir to the default "/data/data/<package name>/lib" 4758 * if we got here without anyone telling us different (e.g., apps 4759 * stored on SD card have their native libraries stored in the ASEC 4760 * container with the APK). 4761 * 4762 * This happens during an upgrade from a package settings file that 4763 * doesn't have a native library path attribute at all. 4764 */ 4765 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4766 if (pkgSetting.nativeLibraryPathString == null) { 4767 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4768 } else { 4769 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4770 } 4771 } 4772 4773 pkgSetting.uidError = uidError; 4774 } 4775 4776 String path = scanFile.getPath(); 4777 /* Note: We don't want to unpack the native binaries for 4778 * system applications, unless they have been updated 4779 * (the binaries are already under /system/lib). 4780 * Also, don't unpack libs for apps on the external card 4781 * since they should have their libraries in the ASEC 4782 * container already. 4783 * 4784 * In other words, we're going to unpack the binaries 4785 * only for non-system apps and system app upgrades. 4786 */ 4787 if (pkg.applicationInfo.nativeLibraryDir != null) { 4788 try { 4789 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4790 final String dataPathString = dataPath.getCanonicalPath(); 4791 4792 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4793 /* 4794 * Upgrading from a previous version of the OS sometimes 4795 * leaves native libraries in the /data/data/<app>/lib 4796 * directory for system apps even when they shouldn't be. 4797 * Recent changes in the JNI library search path 4798 * necessitates we remove those to match previous behavior. 4799 */ 4800 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4801 Log.i(TAG, "removed obsolete native libraries for system package " 4802 + path); 4803 } 4804 } else { 4805 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4806 /* 4807 * Update native library dir if it starts with 4808 * /data/data 4809 */ 4810 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4811 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4812 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4813 } 4814 4815 try { 4816 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4817 Slog.e(TAG, "Unable to copy native libraries"); 4818 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4819 return null; 4820 } 4821 } catch (IOException e) { 4822 Slog.e(TAG, "Unable to copy native libraries", e); 4823 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4824 return null; 4825 } 4826 } 4827 4828 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4829 final int[] userIds = sUserManager.getUserIds(); 4830 synchronized (mInstallLock) { 4831 for (int userId : userIds) { 4832 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4833 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4834 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4835 + ")"); 4836 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4837 return null; 4838 } 4839 } 4840 } 4841 } 4842 } catch (IOException ioe) { 4843 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4844 } 4845 } 4846 pkg.mScanPath = path; 4847 4848 if ((scanMode&SCAN_NO_DEX) == 0) { 4849 if (performDexOptLI(pkg, 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 if (mFactoryTest && pkg.requestedPermissions.contains( 4861 android.Manifest.permission.FACTORY_TEST)) { 4862 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4863 } 4864 4865 ArrayList<PackageParser.Package> clientLibPkgs = null; 4866 4867 // writer 4868 synchronized (mPackages) { 4869 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4870 // Only system apps can add new shared libraries. 4871 if (pkg.libraryNames != null) { 4872 for (int i=0; i<pkg.libraryNames.size(); i++) { 4873 String name = pkg.libraryNames.get(i); 4874 boolean allowed = false; 4875 if (isUpdatedSystemApp(pkg)) { 4876 // New library entries can only be added through the 4877 // system image. This is important to get rid of a lot 4878 // of nasty edge cases: for example if we allowed a non- 4879 // system update of the app to add a library, then uninstalling 4880 // the update would make the library go away, and assumptions 4881 // we made such as through app install filtering would now 4882 // have allowed apps on the device which aren't compatible 4883 // with it. Better to just have the restriction here, be 4884 // conservative, and create many fewer cases that can negatively 4885 // impact the user experience. 4886 final PackageSetting sysPs = mSettings 4887 .getDisabledSystemPkgLPr(pkg.packageName); 4888 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4889 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4890 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4891 allowed = true; 4892 allowed = true; 4893 break; 4894 } 4895 } 4896 } 4897 } else { 4898 allowed = true; 4899 } 4900 if (allowed) { 4901 if (!mSharedLibraries.containsKey(name)) { 4902 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4903 pkg.packageName)); 4904 } else if (!name.equals(pkg.packageName)) { 4905 Slog.w(TAG, "Package " + pkg.packageName + " library " 4906 + name + " already exists; skipping"); 4907 } 4908 } else { 4909 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4910 + name + " that is not declared on system image; skipping"); 4911 } 4912 } 4913 if ((scanMode&SCAN_BOOTING) == 0) { 4914 // If we are not booting, we need to update any applications 4915 // that are clients of our shared library. If we are booting, 4916 // this will all be done once the scan is complete. 4917 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4918 } 4919 } 4920 } 4921 } 4922 4923 // We also need to dexopt any apps that are dependent on this library. Note that 4924 // if these fail, we should abort the install since installing the library will 4925 // result in some apps being broken. 4926 if (clientLibPkgs != null) { 4927 if ((scanMode&SCAN_NO_DEX) == 0) { 4928 for (int i=0; i<clientLibPkgs.size(); i++) { 4929 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4930 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4931 == DEX_OPT_FAILED) { 4932 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4933 removeDataDirsLI(pkg.packageName); 4934 } 4935 4936 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4937 return null; 4938 } 4939 } 4940 } 4941 } 4942 4943 // Request the ActivityManager to kill the process(only for existing packages) 4944 // so that we do not end up in a confused state while the user is still using the older 4945 // version of the application while the new one gets installed. 4946 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4947 // If the package lives in an asec, tell everyone that the container is going 4948 // away so they can clean up any references to its resources (which would prevent 4949 // vold from being able to unmount the asec) 4950 if (isForwardLocked(pkg) || isExternal(pkg)) { 4951 if (DEBUG_INSTALL) { 4952 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4953 } 4954 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4955 final ArrayList<String> pkgList = new ArrayList<String>(1); 4956 pkgList.add(pkg.applicationInfo.packageName); 4957 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4958 } 4959 4960 // Post the request that it be killed now that the going-away broadcast is en route 4961 killApplication(pkg.applicationInfo.packageName, 4962 pkg.applicationInfo.uid, "update pkg"); 4963 } 4964 4965 // Also need to kill any apps that are dependent on the library. 4966 if (clientLibPkgs != null) { 4967 for (int i=0; i<clientLibPkgs.size(); i++) { 4968 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4969 killApplication(clientPkg.applicationInfo.packageName, 4970 clientPkg.applicationInfo.uid, "update lib"); 4971 } 4972 } 4973 4974 // writer 4975 synchronized (mPackages) { 4976 // We don't expect installation to fail beyond this point, 4977 if ((scanMode&SCAN_MONITOR) != 0) { 4978 mAppDirs.put(pkg.mPath, pkg); 4979 } 4980 // Add the new setting to mSettings 4981 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4982 // Add the new setting to mPackages 4983 mPackages.put(pkg.applicationInfo.packageName, pkg); 4984 // Make sure we don't accidentally delete its data. 4985 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4986 while (iter.hasNext()) { 4987 PackageCleanItem item = iter.next(); 4988 if (pkgName.equals(item.packageName)) { 4989 iter.remove(); 4990 } 4991 } 4992 4993 // Take care of first install / last update times. 4994 if (currentTime != 0) { 4995 if (pkgSetting.firstInstallTime == 0) { 4996 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4997 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4998 pkgSetting.lastUpdateTime = currentTime; 4999 } 5000 } else if (pkgSetting.firstInstallTime == 0) { 5001 // We need *something*. Take time time stamp of the file. 5002 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5003 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5004 if (scanFileTime != pkgSetting.timeStamp) { 5005 // A package on the system image has changed; consider this 5006 // to be an update. 5007 pkgSetting.lastUpdateTime = scanFileTime; 5008 } 5009 } 5010 5011 // Add the package's KeySets to the global KeySetManager 5012 KeySetManager ksm = mSettings.mKeySetManager; 5013 try { 5014 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 5015 if (pkg.mKeySetMapping != null) { 5016 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 5017 if (entry.getValue() != null) { 5018 ksm.addDefinedKeySetToPackage(pkg.packageName, 5019 entry.getValue(), entry.getKey()); 5020 } 5021 } 5022 } 5023 } catch (NullPointerException e) { 5024 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5025 } catch (IllegalArgumentException e) { 5026 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5027 } 5028 5029 int N = pkg.providers.size(); 5030 StringBuilder r = null; 5031 int i; 5032 for (i=0; i<N; i++) { 5033 PackageParser.Provider p = pkg.providers.get(i); 5034 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5035 p.info.processName, pkg.applicationInfo.uid); 5036 mProviders.addProvider(p); 5037 p.syncable = p.info.isSyncable; 5038 if (p.info.authority != null) { 5039 String names[] = p.info.authority.split(";"); 5040 p.info.authority = null; 5041 for (int j = 0; j < names.length; j++) { 5042 if (j == 1 && p.syncable) { 5043 // We only want the first authority for a provider to possibly be 5044 // syncable, so if we already added this provider using a different 5045 // authority clear the syncable flag. We copy the provider before 5046 // changing it because the mProviders object contains a reference 5047 // to a provider that we don't want to change. 5048 // Only do this for the second authority since the resulting provider 5049 // object can be the same for all future authorities for this provider. 5050 p = new PackageParser.Provider(p); 5051 p.syncable = false; 5052 } 5053 if (!mProvidersByAuthority.containsKey(names[j])) { 5054 mProvidersByAuthority.put(names[j], p); 5055 if (p.info.authority == null) { 5056 p.info.authority = names[j]; 5057 } else { 5058 p.info.authority = p.info.authority + ";" + names[j]; 5059 } 5060 if (DEBUG_PACKAGE_SCANNING) { 5061 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5062 Log.d(TAG, "Registered content provider: " + names[j] 5063 + ", className = " + p.info.name + ", isSyncable = " 5064 + p.info.isSyncable); 5065 } 5066 } else { 5067 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5068 Slog.w(TAG, "Skipping provider name " + names[j] + 5069 " (in package " + pkg.applicationInfo.packageName + 5070 "): name already used by " 5071 + ((other != null && other.getComponentName() != null) 5072 ? other.getComponentName().getPackageName() : "?")); 5073 } 5074 } 5075 } 5076 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5077 if (r == null) { 5078 r = new StringBuilder(256); 5079 } else { 5080 r.append(' '); 5081 } 5082 r.append(p.info.name); 5083 } 5084 } 5085 if (r != null) { 5086 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5087 } 5088 5089 N = pkg.services.size(); 5090 r = null; 5091 for (i=0; i<N; i++) { 5092 PackageParser.Service s = pkg.services.get(i); 5093 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5094 s.info.processName, pkg.applicationInfo.uid); 5095 mServices.addService(s); 5096 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5097 if (r == null) { 5098 r = new StringBuilder(256); 5099 } else { 5100 r.append(' '); 5101 } 5102 r.append(s.info.name); 5103 } 5104 } 5105 if (r != null) { 5106 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5107 } 5108 5109 N = pkg.receivers.size(); 5110 r = null; 5111 for (i=0; i<N; i++) { 5112 PackageParser.Activity a = pkg.receivers.get(i); 5113 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5114 a.info.processName, pkg.applicationInfo.uid); 5115 mReceivers.addActivity(a, "receiver"); 5116 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5117 if (r == null) { 5118 r = new StringBuilder(256); 5119 } else { 5120 r.append(' '); 5121 } 5122 r.append(a.info.name); 5123 } 5124 } 5125 if (r != null) { 5126 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5127 } 5128 5129 N = pkg.activities.size(); 5130 r = null; 5131 for (i=0; i<N; i++) { 5132 PackageParser.Activity a = pkg.activities.get(i); 5133 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5134 a.info.processName, pkg.applicationInfo.uid); 5135 mActivities.addActivity(a, "activity"); 5136 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5137 if (r == null) { 5138 r = new StringBuilder(256); 5139 } else { 5140 r.append(' '); 5141 } 5142 r.append(a.info.name); 5143 } 5144 } 5145 if (r != null) { 5146 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5147 } 5148 5149 N = pkg.permissionGroups.size(); 5150 r = null; 5151 for (i=0; i<N; i++) { 5152 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5153 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5154 if (cur == null) { 5155 mPermissionGroups.put(pg.info.name, pg); 5156 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5157 if (r == null) { 5158 r = new StringBuilder(256); 5159 } else { 5160 r.append(' '); 5161 } 5162 r.append(pg.info.name); 5163 } 5164 } else { 5165 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5166 + pg.info.packageName + " ignored: original from " 5167 + cur.info.packageName); 5168 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5169 if (r == null) { 5170 r = new StringBuilder(256); 5171 } else { 5172 r.append(' '); 5173 } 5174 r.append("DUP:"); 5175 r.append(pg.info.name); 5176 } 5177 } 5178 } 5179 if (r != null) { 5180 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5181 } 5182 5183 N = pkg.permissions.size(); 5184 r = null; 5185 for (i=0; i<N; i++) { 5186 PackageParser.Permission p = pkg.permissions.get(i); 5187 HashMap<String, BasePermission> permissionMap = 5188 p.tree ? mSettings.mPermissionTrees 5189 : mSettings.mPermissions; 5190 p.group = mPermissionGroups.get(p.info.group); 5191 if (p.info.group == null || p.group != null) { 5192 BasePermission bp = permissionMap.get(p.info.name); 5193 if (bp == null) { 5194 bp = new BasePermission(p.info.name, p.info.packageName, 5195 BasePermission.TYPE_NORMAL); 5196 permissionMap.put(p.info.name, bp); 5197 } 5198 if (bp.perm == null) { 5199 if (bp.sourcePackage != null 5200 && !bp.sourcePackage.equals(p.info.packageName)) { 5201 // If this is a permission that was formerly defined by a non-system 5202 // app, but is now defined by a system app (following an upgrade), 5203 // discard the previous declaration and consider the system's to be 5204 // canonical. 5205 if (isSystemApp(p.owner)) { 5206 String msg = "New decl " + p.owner + " of permission " 5207 + p.info.name + " is system"; 5208 reportSettingsProblem(Log.WARN, msg); 5209 bp.sourcePackage = null; 5210 } 5211 } 5212 if (bp.sourcePackage == null 5213 || bp.sourcePackage.equals(p.info.packageName)) { 5214 BasePermission tree = findPermissionTreeLP(p.info.name); 5215 if (tree == null 5216 || tree.sourcePackage.equals(p.info.packageName)) { 5217 bp.packageSetting = pkgSetting; 5218 bp.perm = p; 5219 bp.uid = pkg.applicationInfo.uid; 5220 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5221 if (r == null) { 5222 r = new StringBuilder(256); 5223 } else { 5224 r.append(' '); 5225 } 5226 r.append(p.info.name); 5227 } 5228 } else { 5229 Slog.w(TAG, "Permission " + p.info.name + " from package " 5230 + p.info.packageName + " ignored: base tree " 5231 + tree.name + " is from package " 5232 + tree.sourcePackage); 5233 } 5234 } else { 5235 Slog.w(TAG, "Permission " + p.info.name + " from package " 5236 + p.info.packageName + " ignored: original from " 5237 + bp.sourcePackage); 5238 } 5239 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5240 if (r == null) { 5241 r = new StringBuilder(256); 5242 } else { 5243 r.append(' '); 5244 } 5245 r.append("DUP:"); 5246 r.append(p.info.name); 5247 } 5248 if (bp.perm == p) { 5249 bp.protectionLevel = p.info.protectionLevel; 5250 } 5251 } else { 5252 Slog.w(TAG, "Permission " + p.info.name + " from package " 5253 + p.info.packageName + " ignored: no group " 5254 + p.group); 5255 } 5256 } 5257 if (r != null) { 5258 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5259 } 5260 5261 N = pkg.instrumentation.size(); 5262 r = null; 5263 for (i=0; i<N; i++) { 5264 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5265 a.info.packageName = pkg.applicationInfo.packageName; 5266 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5267 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5268 a.info.dataDir = pkg.applicationInfo.dataDir; 5269 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5270 mInstrumentation.put(a.getComponentName(), a); 5271 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5272 if (r == null) { 5273 r = new StringBuilder(256); 5274 } else { 5275 r.append(' '); 5276 } 5277 r.append(a.info.name); 5278 } 5279 } 5280 if (r != null) { 5281 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5282 } 5283 5284 if (pkg.protectedBroadcasts != null) { 5285 N = pkg.protectedBroadcasts.size(); 5286 for (i=0; i<N; i++) { 5287 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5288 } 5289 } 5290 5291 pkgSetting.setTimeStamp(scanFileTime); 5292 5293 // Create idmap files for pairs of (packages, overlay packages). 5294 // Note: "android", ie framework-res.apk, is handled by native layers. 5295 if (pkg.mOverlayTarget != null) { 5296 // This is an overlay package. 5297 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5298 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5299 mOverlays.put(pkg.mOverlayTarget, 5300 new HashMap<String, PackageParser.Package>()); 5301 } 5302 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5303 map.put(pkg.packageName, pkg); 5304 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5305 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5306 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5307 return null; 5308 } 5309 } 5310 } else if (mOverlays.containsKey(pkg.packageName) && 5311 !pkg.packageName.equals("android")) { 5312 // This is a regular package, with one or more known overlay packages. 5313 createIdmapsForPackageLI(pkg); 5314 } 5315 } 5316 5317 return pkg; 5318 } 5319 5320 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5321 synchronized (mPackages) { 5322 mResolverReplaced = true; 5323 // Set up information for custom user intent resolution activity. 5324 mResolveActivity.applicationInfo = pkg.applicationInfo; 5325 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5326 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5327 mResolveActivity.processName = null; 5328 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5329 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5330 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5331 mResolveActivity.theme = 0; 5332 mResolveActivity.exported = true; 5333 mResolveActivity.enabled = true; 5334 mResolveInfo.activityInfo = mResolveActivity; 5335 mResolveInfo.priority = 0; 5336 mResolveInfo.preferredOrder = 0; 5337 mResolveInfo.match = 0; 5338 mResolveComponentName = mCustomResolverComponentName; 5339 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5340 mResolveComponentName); 5341 } 5342 } 5343 5344 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5345 PackageSetting pkgSetting) { 5346 final String apkLibPath = getApkName(pkgSetting.codePathString); 5347 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5348 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5349 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5350 } 5351 5352 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5353 throws IOException { 5354 if (!nativeLibraryDir.isDirectory()) { 5355 nativeLibraryDir.delete(); 5356 5357 if (!nativeLibraryDir.mkdir()) { 5358 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5359 } 5360 5361 try { 5362 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5363 | S_IXOTH); 5364 } catch (ErrnoException e) { 5365 throw new IOException("Cannot chmod native library directory " 5366 + nativeLibraryDir.getPath(), e); 5367 } 5368 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5369 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5370 } 5371 5372 /* 5373 * If this is an internal application or our nativeLibraryPath points to 5374 * the app-lib directory, unpack the libraries if necessary. 5375 */ 5376 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5377 } 5378 5379 private void killApplication(String pkgName, int appId, String reason) { 5380 // Request the ActivityManager to kill the process(only for existing packages) 5381 // so that we do not end up in a confused state while the user is still using the older 5382 // version of the application while the new one gets installed. 5383 IActivityManager am = ActivityManagerNative.getDefault(); 5384 if (am != null) { 5385 try { 5386 am.killApplicationWithAppId(pkgName, appId, reason); 5387 } catch (RemoteException e) { 5388 } 5389 } 5390 } 5391 5392 void removePackageLI(PackageSetting ps, boolean chatty) { 5393 if (DEBUG_INSTALL) { 5394 if (chatty) 5395 Log.d(TAG, "Removing package " + ps.name); 5396 } 5397 5398 // writer 5399 synchronized (mPackages) { 5400 mPackages.remove(ps.name); 5401 if (ps.codePathString != null) { 5402 mAppDirs.remove(ps.codePathString); 5403 } 5404 5405 final PackageParser.Package pkg = ps.pkg; 5406 if (pkg != null) { 5407 cleanPackageDataStructuresLILPw(pkg, chatty); 5408 } 5409 } 5410 } 5411 5412 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5413 if (DEBUG_INSTALL) { 5414 if (chatty) 5415 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5416 } 5417 5418 // writer 5419 synchronized (mPackages) { 5420 mPackages.remove(pkg.applicationInfo.packageName); 5421 if (pkg.mPath != null) { 5422 mAppDirs.remove(pkg.mPath); 5423 } 5424 cleanPackageDataStructuresLILPw(pkg, chatty); 5425 } 5426 } 5427 5428 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5429 int N = pkg.providers.size(); 5430 StringBuilder r = null; 5431 int i; 5432 for (i=0; i<N; i++) { 5433 PackageParser.Provider p = pkg.providers.get(i); 5434 mProviders.removeProvider(p); 5435 if (p.info.authority == null) { 5436 5437 /* There was another ContentProvider with this authority when 5438 * this app was installed so this authority is null, 5439 * Ignore it as we don't have to unregister the provider. 5440 */ 5441 continue; 5442 } 5443 String names[] = p.info.authority.split(";"); 5444 for (int j = 0; j < names.length; j++) { 5445 if (mProvidersByAuthority.get(names[j]) == p) { 5446 mProvidersByAuthority.remove(names[j]); 5447 if (DEBUG_REMOVE) { 5448 if (chatty) 5449 Log.d(TAG, "Unregistered content provider: " + names[j] 5450 + ", className = " + p.info.name + ", isSyncable = " 5451 + p.info.isSyncable); 5452 } 5453 } 5454 } 5455 if (DEBUG_REMOVE && chatty) { 5456 if (r == null) { 5457 r = new StringBuilder(256); 5458 } else { 5459 r.append(' '); 5460 } 5461 r.append(p.info.name); 5462 } 5463 } 5464 if (r != null) { 5465 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5466 } 5467 5468 N = pkg.services.size(); 5469 r = null; 5470 for (i=0; i<N; i++) { 5471 PackageParser.Service s = pkg.services.get(i); 5472 mServices.removeService(s); 5473 if (chatty) { 5474 if (r == null) { 5475 r = new StringBuilder(256); 5476 } else { 5477 r.append(' '); 5478 } 5479 r.append(s.info.name); 5480 } 5481 } 5482 if (r != null) { 5483 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5484 } 5485 5486 N = pkg.receivers.size(); 5487 r = null; 5488 for (i=0; i<N; i++) { 5489 PackageParser.Activity a = pkg.receivers.get(i); 5490 mReceivers.removeActivity(a, "receiver"); 5491 if (DEBUG_REMOVE && chatty) { 5492 if (r == null) { 5493 r = new StringBuilder(256); 5494 } else { 5495 r.append(' '); 5496 } 5497 r.append(a.info.name); 5498 } 5499 } 5500 if (r != null) { 5501 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5502 } 5503 5504 N = pkg.activities.size(); 5505 r = null; 5506 for (i=0; i<N; i++) { 5507 PackageParser.Activity a = pkg.activities.get(i); 5508 mActivities.removeActivity(a, "activity"); 5509 if (DEBUG_REMOVE && chatty) { 5510 if (r == null) { 5511 r = new StringBuilder(256); 5512 } else { 5513 r.append(' '); 5514 } 5515 r.append(a.info.name); 5516 } 5517 } 5518 if (r != null) { 5519 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5520 } 5521 5522 N = pkg.permissions.size(); 5523 r = null; 5524 for (i=0; i<N; i++) { 5525 PackageParser.Permission p = pkg.permissions.get(i); 5526 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5527 if (bp == null) { 5528 bp = mSettings.mPermissionTrees.get(p.info.name); 5529 } 5530 if (bp != null && bp.perm == p) { 5531 bp.perm = null; 5532 if (DEBUG_REMOVE && chatty) { 5533 if (r == null) { 5534 r = new StringBuilder(256); 5535 } else { 5536 r.append(' '); 5537 } 5538 r.append(p.info.name); 5539 } 5540 } 5541 } 5542 if (r != null) { 5543 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5544 } 5545 5546 N = pkg.instrumentation.size(); 5547 r = null; 5548 for (i=0; i<N; i++) { 5549 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5550 mInstrumentation.remove(a.getComponentName()); 5551 if (DEBUG_REMOVE && chatty) { 5552 if (r == null) { 5553 r = new StringBuilder(256); 5554 } else { 5555 r.append(' '); 5556 } 5557 r.append(a.info.name); 5558 } 5559 } 5560 if (r != null) { 5561 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5562 } 5563 5564 r = null; 5565 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5566 // Only system apps can hold shared libraries. 5567 if (pkg.libraryNames != null) { 5568 for (i=0; i<pkg.libraryNames.size(); i++) { 5569 String name = pkg.libraryNames.get(i); 5570 SharedLibraryEntry cur = mSharedLibraries.get(name); 5571 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5572 mSharedLibraries.remove(name); 5573 if (DEBUG_REMOVE && chatty) { 5574 if (r == null) { 5575 r = new StringBuilder(256); 5576 } else { 5577 r.append(' '); 5578 } 5579 r.append(name); 5580 } 5581 } 5582 } 5583 } 5584 } 5585 if (r != null) { 5586 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5587 } 5588 } 5589 5590 private static final boolean isPackageFilename(String name) { 5591 return name != null && name.endsWith(".apk"); 5592 } 5593 5594 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5595 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5596 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5597 return true; 5598 } 5599 } 5600 return false; 5601 } 5602 5603 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5604 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5605 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5606 5607 private void updatePermissionsLPw(String changingPkg, 5608 PackageParser.Package pkgInfo, int flags) { 5609 // Make sure there are no dangling permission trees. 5610 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5611 while (it.hasNext()) { 5612 final BasePermission bp = it.next(); 5613 if (bp.packageSetting == null) { 5614 // We may not yet have parsed the package, so just see if 5615 // we still know about its settings. 5616 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5617 } 5618 if (bp.packageSetting == null) { 5619 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5620 + " from package " + bp.sourcePackage); 5621 it.remove(); 5622 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5623 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5624 Slog.i(TAG, "Removing old permission tree: " + bp.name 5625 + " from package " + bp.sourcePackage); 5626 flags |= UPDATE_PERMISSIONS_ALL; 5627 it.remove(); 5628 } 5629 } 5630 } 5631 5632 // Make sure all dynamic permissions have been assigned to a package, 5633 // and make sure there are no dangling permissions. 5634 it = mSettings.mPermissions.values().iterator(); 5635 while (it.hasNext()) { 5636 final BasePermission bp = it.next(); 5637 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5638 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5639 + bp.name + " pkg=" + bp.sourcePackage 5640 + " info=" + bp.pendingInfo); 5641 if (bp.packageSetting == null && bp.pendingInfo != null) { 5642 final BasePermission tree = findPermissionTreeLP(bp.name); 5643 if (tree != null && tree.perm != null) { 5644 bp.packageSetting = tree.packageSetting; 5645 bp.perm = new PackageParser.Permission(tree.perm.owner, 5646 new PermissionInfo(bp.pendingInfo)); 5647 bp.perm.info.packageName = tree.perm.info.packageName; 5648 bp.perm.info.name = bp.name; 5649 bp.uid = tree.uid; 5650 } 5651 } 5652 } 5653 if (bp.packageSetting == null) { 5654 // We may not yet have parsed the package, so just see if 5655 // we still know about its settings. 5656 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5657 } 5658 if (bp.packageSetting == null) { 5659 Slog.w(TAG, "Removing dangling permission: " + bp.name 5660 + " from package " + bp.sourcePackage); 5661 it.remove(); 5662 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5663 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5664 Slog.i(TAG, "Removing old permission: " + bp.name 5665 + " from package " + bp.sourcePackage); 5666 flags |= UPDATE_PERMISSIONS_ALL; 5667 it.remove(); 5668 } 5669 } 5670 } 5671 5672 // Now update the permissions for all packages, in particular 5673 // replace the granted permissions of the system packages. 5674 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5675 for (PackageParser.Package pkg : mPackages.values()) { 5676 if (pkg != pkgInfo) { 5677 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5678 } 5679 } 5680 } 5681 5682 if (pkgInfo != null) { 5683 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5684 } 5685 } 5686 5687 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5688 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5689 if (ps == null) { 5690 return; 5691 } 5692 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5693 HashSet<String> origPermissions = gp.grantedPermissions; 5694 boolean changedPermission = false; 5695 5696 if (replace) { 5697 ps.permissionsFixed = false; 5698 if (gp == ps) { 5699 origPermissions = new HashSet<String>(gp.grantedPermissions); 5700 gp.grantedPermissions.clear(); 5701 gp.gids = mGlobalGids; 5702 } 5703 } 5704 5705 if (gp.gids == null) { 5706 gp.gids = mGlobalGids; 5707 } 5708 5709 final int N = pkg.requestedPermissions.size(); 5710 for (int i=0; i<N; i++) { 5711 final String name = pkg.requestedPermissions.get(i); 5712 final boolean required = pkg.requestedPermissionsRequired.get(i); 5713 final BasePermission bp = mSettings.mPermissions.get(name); 5714 if (DEBUG_INSTALL) { 5715 if (gp != ps) { 5716 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5717 } 5718 } 5719 5720 if (bp == null || bp.packageSetting == null) { 5721 Slog.w(TAG, "Unknown permission " + name 5722 + " in package " + pkg.packageName); 5723 continue; 5724 } 5725 5726 final String perm = bp.name; 5727 boolean allowed; 5728 boolean allowedSig = false; 5729 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5730 if (level == PermissionInfo.PROTECTION_NORMAL 5731 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5732 // We grant a normal or dangerous permission if any of the following 5733 // are true: 5734 // 1) The permission is required 5735 // 2) The permission is optional, but was granted in the past 5736 // 3) The permission is optional, but was requested by an 5737 // app in /system (not /data) 5738 // 5739 // Otherwise, reject the permission. 5740 allowed = (required || origPermissions.contains(perm) 5741 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5742 } else if (bp.packageSetting == null) { 5743 // This permission is invalid; skip it. 5744 allowed = false; 5745 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5746 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5747 if (allowed) { 5748 allowedSig = true; 5749 } 5750 } else { 5751 allowed = false; 5752 } 5753 if (DEBUG_INSTALL) { 5754 if (gp != ps) { 5755 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5756 } 5757 } 5758 if (allowed) { 5759 if (!isSystemApp(ps) && ps.permissionsFixed) { 5760 // If this is an existing, non-system package, then 5761 // we can't add any new permissions to it. 5762 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5763 // Except... if this is a permission that was added 5764 // to the platform (note: need to only do this when 5765 // updating the platform). 5766 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5767 } 5768 } 5769 if (allowed) { 5770 if (!gp.grantedPermissions.contains(perm)) { 5771 changedPermission = true; 5772 gp.grantedPermissions.add(perm); 5773 gp.gids = appendInts(gp.gids, bp.gids); 5774 } else if (!ps.haveGids) { 5775 gp.gids = appendInts(gp.gids, bp.gids); 5776 } 5777 } else { 5778 Slog.w(TAG, "Not granting permission " + perm 5779 + " to package " + pkg.packageName 5780 + " because it was previously installed without"); 5781 } 5782 } else { 5783 if (gp.grantedPermissions.remove(perm)) { 5784 changedPermission = true; 5785 gp.gids = removeInts(gp.gids, bp.gids); 5786 Slog.i(TAG, "Un-granting permission " + perm 5787 + " from package " + pkg.packageName 5788 + " (protectionLevel=" + bp.protectionLevel 5789 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5790 + ")"); 5791 } else { 5792 Slog.w(TAG, "Not granting permission " + perm 5793 + " to package " + pkg.packageName 5794 + " (protectionLevel=" + bp.protectionLevel 5795 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5796 + ")"); 5797 } 5798 } 5799 } 5800 5801 if ((changedPermission || replace) && !ps.permissionsFixed && 5802 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5803 // This is the first that we have heard about this package, so the 5804 // permissions we have now selected are fixed until explicitly 5805 // changed. 5806 ps.permissionsFixed = true; 5807 } 5808 ps.haveGids = true; 5809 } 5810 5811 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5812 boolean allowed = false; 5813 final int NP = PackageParser.NEW_PERMISSIONS.length; 5814 for (int ip=0; ip<NP; ip++) { 5815 final PackageParser.NewPermissionInfo npi 5816 = PackageParser.NEW_PERMISSIONS[ip]; 5817 if (npi.name.equals(perm) 5818 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5819 allowed = true; 5820 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5821 + pkg.packageName); 5822 break; 5823 } 5824 } 5825 return allowed; 5826 } 5827 5828 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5829 BasePermission bp, HashSet<String> origPermissions) { 5830 boolean allowed; 5831 allowed = (compareSignatures( 5832 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5833 == PackageManager.SIGNATURE_MATCH) 5834 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5835 == PackageManager.SIGNATURE_MATCH); 5836 if (!allowed && (bp.protectionLevel 5837 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5838 if (isSystemApp(pkg)) { 5839 // For updated system applications, a system permission 5840 // is granted only if it had been defined by the original application. 5841 if (isUpdatedSystemApp(pkg)) { 5842 final PackageSetting sysPs = mSettings 5843 .getDisabledSystemPkgLPr(pkg.packageName); 5844 final GrantedPermissions origGp = sysPs.sharedUser != null 5845 ? sysPs.sharedUser : sysPs; 5846 5847 if (origGp.grantedPermissions.contains(perm)) { 5848 // If the original was granted this permission, we take 5849 // that grant decision as read and propagate it to the 5850 // update. 5851 allowed = true; 5852 } else { 5853 // The system apk may have been updated with an older 5854 // version of the one on the data partition, but which 5855 // granted a new system permission that it didn't have 5856 // before. In this case we do want to allow the app to 5857 // now get the new permission if the ancestral apk is 5858 // privileged to get it. 5859 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5860 for (int j=0; 5861 j<sysPs.pkg.requestedPermissions.size(); j++) { 5862 if (perm.equals( 5863 sysPs.pkg.requestedPermissions.get(j))) { 5864 allowed = true; 5865 break; 5866 } 5867 } 5868 } 5869 } 5870 } else { 5871 allowed = isPrivilegedApp(pkg); 5872 } 5873 } 5874 } 5875 if (!allowed && (bp.protectionLevel 5876 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5877 // For development permissions, a development permission 5878 // is granted only if it was already granted. 5879 allowed = origPermissions.contains(perm); 5880 } 5881 return allowed; 5882 } 5883 5884 final class ActivityIntentResolver 5885 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5886 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5887 boolean defaultOnly, int userId) { 5888 if (!sUserManager.exists(userId)) return null; 5889 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5890 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5891 } 5892 5893 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5894 int userId) { 5895 if (!sUserManager.exists(userId)) return null; 5896 mFlags = flags; 5897 return super.queryIntent(intent, resolvedType, 5898 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5899 } 5900 5901 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5902 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5903 if (!sUserManager.exists(userId)) return null; 5904 if (packageActivities == null) { 5905 return null; 5906 } 5907 mFlags = flags; 5908 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5909 final int N = packageActivities.size(); 5910 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5911 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5912 5913 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5914 for (int i = 0; i < N; ++i) { 5915 intentFilters = packageActivities.get(i).intents; 5916 if (intentFilters != null && intentFilters.size() > 0) { 5917 PackageParser.ActivityIntentInfo[] array = 5918 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5919 intentFilters.toArray(array); 5920 listCut.add(array); 5921 } 5922 } 5923 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5924 } 5925 5926 public final void addActivity(PackageParser.Activity a, String type) { 5927 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5928 mActivities.put(a.getComponentName(), a); 5929 if (DEBUG_SHOW_INFO) 5930 Log.v( 5931 TAG, " " + type + " " + 5932 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5933 if (DEBUG_SHOW_INFO) 5934 Log.v(TAG, " Class=" + a.info.name); 5935 final int NI = a.intents.size(); 5936 for (int j=0; j<NI; j++) { 5937 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5938 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5939 intent.setPriority(0); 5940 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5941 + a.className + " with priority > 0, forcing to 0"); 5942 } 5943 if (DEBUG_SHOW_INFO) { 5944 Log.v(TAG, " IntentFilter:"); 5945 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5946 } 5947 if (!intent.debugCheck()) { 5948 Log.w(TAG, "==> For Activity " + a.info.name); 5949 } 5950 addFilter(intent); 5951 } 5952 } 5953 5954 public final void removeActivity(PackageParser.Activity a, String type) { 5955 mActivities.remove(a.getComponentName()); 5956 if (DEBUG_SHOW_INFO) { 5957 Log.v(TAG, " " + type + " " 5958 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5959 : a.info.name) + ":"); 5960 Log.v(TAG, " Class=" + a.info.name); 5961 } 5962 final int NI = a.intents.size(); 5963 for (int j=0; j<NI; j++) { 5964 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5965 if (DEBUG_SHOW_INFO) { 5966 Log.v(TAG, " IntentFilter:"); 5967 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5968 } 5969 removeFilter(intent); 5970 } 5971 } 5972 5973 @Override 5974 protected boolean allowFilterResult( 5975 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5976 ActivityInfo filterAi = filter.activity.info; 5977 for (int i=dest.size()-1; i>=0; i--) { 5978 ActivityInfo destAi = dest.get(i).activityInfo; 5979 if (destAi.name == filterAi.name 5980 && destAi.packageName == filterAi.packageName) { 5981 return false; 5982 } 5983 } 5984 return true; 5985 } 5986 5987 @Override 5988 protected ActivityIntentInfo[] newArray(int size) { 5989 return new ActivityIntentInfo[size]; 5990 } 5991 5992 @Override 5993 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5994 if (!sUserManager.exists(userId)) return true; 5995 PackageParser.Package p = filter.activity.owner; 5996 if (p != null) { 5997 PackageSetting ps = (PackageSetting)p.mExtras; 5998 if (ps != null) { 5999 // System apps are never considered stopped for purposes of 6000 // filtering, because there may be no way for the user to 6001 // actually re-launch them. 6002 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 6003 && ps.getStopped(userId); 6004 } 6005 } 6006 return false; 6007 } 6008 6009 @Override 6010 protected boolean isPackageForFilter(String packageName, 6011 PackageParser.ActivityIntentInfo info) { 6012 return packageName.equals(info.activity.owner.packageName); 6013 } 6014 6015 @Override 6016 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 6017 int match, int userId) { 6018 if (!sUserManager.exists(userId)) return null; 6019 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 6020 return null; 6021 } 6022 final PackageParser.Activity activity = info.activity; 6023 if (mSafeMode && (activity.info.applicationInfo.flags 6024 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6025 return null; 6026 } 6027 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6028 if (ps == null) { 6029 return null; 6030 } 6031 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6032 ps.readUserState(userId), userId); 6033 if (ai == null) { 6034 return null; 6035 } 6036 final ResolveInfo res = new ResolveInfo(); 6037 res.activityInfo = ai; 6038 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6039 res.filter = info; 6040 } 6041 res.priority = info.getPriority(); 6042 res.preferredOrder = activity.owner.mPreferredOrder; 6043 //System.out.println("Result: " + res.activityInfo.className + 6044 // " = " + res.priority); 6045 res.match = match; 6046 res.isDefault = info.hasDefault; 6047 res.labelRes = info.labelRes; 6048 res.nonLocalizedLabel = info.nonLocalizedLabel; 6049 res.icon = info.icon; 6050 res.system = isSystemApp(res.activityInfo.applicationInfo); 6051 return res; 6052 } 6053 6054 @Override 6055 protected void sortResults(List<ResolveInfo> results) { 6056 Collections.sort(results, mResolvePrioritySorter); 6057 } 6058 6059 @Override 6060 protected void dumpFilter(PrintWriter out, String prefix, 6061 PackageParser.ActivityIntentInfo filter) { 6062 out.print(prefix); out.print( 6063 Integer.toHexString(System.identityHashCode(filter.activity))); 6064 out.print(' '); 6065 filter.activity.printComponentShortName(out); 6066 out.print(" filter "); 6067 out.println(Integer.toHexString(System.identityHashCode(filter))); 6068 } 6069 6070// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6071// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6072// final List<ResolveInfo> retList = Lists.newArrayList(); 6073// while (i.hasNext()) { 6074// final ResolveInfo resolveInfo = i.next(); 6075// if (isEnabledLP(resolveInfo.activityInfo)) { 6076// retList.add(resolveInfo); 6077// } 6078// } 6079// return retList; 6080// } 6081 6082 // Keys are String (activity class name), values are Activity. 6083 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6084 = new HashMap<ComponentName, PackageParser.Activity>(); 6085 private int mFlags; 6086 } 6087 6088 private final class ServiceIntentResolver 6089 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6090 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6091 boolean defaultOnly, int userId) { 6092 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6093 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6094 } 6095 6096 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6097 int userId) { 6098 if (!sUserManager.exists(userId)) return null; 6099 mFlags = flags; 6100 return super.queryIntent(intent, resolvedType, 6101 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6102 } 6103 6104 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6105 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6106 if (!sUserManager.exists(userId)) return null; 6107 if (packageServices == null) { 6108 return null; 6109 } 6110 mFlags = flags; 6111 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6112 final int N = packageServices.size(); 6113 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6114 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6115 6116 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6117 for (int i = 0; i < N; ++i) { 6118 intentFilters = packageServices.get(i).intents; 6119 if (intentFilters != null && intentFilters.size() > 0) { 6120 PackageParser.ServiceIntentInfo[] array = 6121 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6122 intentFilters.toArray(array); 6123 listCut.add(array); 6124 } 6125 } 6126 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6127 } 6128 6129 public final void addService(PackageParser.Service s) { 6130 mServices.put(s.getComponentName(), s); 6131 if (DEBUG_SHOW_INFO) { 6132 Log.v(TAG, " " 6133 + (s.info.nonLocalizedLabel != null 6134 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6135 Log.v(TAG, " Class=" + s.info.name); 6136 } 6137 final int NI = s.intents.size(); 6138 int j; 6139 for (j=0; j<NI; j++) { 6140 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6141 if (DEBUG_SHOW_INFO) { 6142 Log.v(TAG, " IntentFilter:"); 6143 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6144 } 6145 if (!intent.debugCheck()) { 6146 Log.w(TAG, "==> For Service " + s.info.name); 6147 } 6148 addFilter(intent); 6149 } 6150 } 6151 6152 public final void removeService(PackageParser.Service s) { 6153 mServices.remove(s.getComponentName()); 6154 if (DEBUG_SHOW_INFO) { 6155 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6156 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6157 Log.v(TAG, " Class=" + s.info.name); 6158 } 6159 final int NI = s.intents.size(); 6160 int j; 6161 for (j=0; j<NI; j++) { 6162 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6163 if (DEBUG_SHOW_INFO) { 6164 Log.v(TAG, " IntentFilter:"); 6165 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6166 } 6167 removeFilter(intent); 6168 } 6169 } 6170 6171 @Override 6172 protected boolean allowFilterResult( 6173 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6174 ServiceInfo filterSi = filter.service.info; 6175 for (int i=dest.size()-1; i>=0; i--) { 6176 ServiceInfo destAi = dest.get(i).serviceInfo; 6177 if (destAi.name == filterSi.name 6178 && destAi.packageName == filterSi.packageName) { 6179 return false; 6180 } 6181 } 6182 return true; 6183 } 6184 6185 @Override 6186 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6187 return new PackageParser.ServiceIntentInfo[size]; 6188 } 6189 6190 @Override 6191 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6192 if (!sUserManager.exists(userId)) return true; 6193 PackageParser.Package p = filter.service.owner; 6194 if (p != null) { 6195 PackageSetting ps = (PackageSetting)p.mExtras; 6196 if (ps != null) { 6197 // System apps are never considered stopped for purposes of 6198 // filtering, because there may be no way for the user to 6199 // actually re-launch them. 6200 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6201 && ps.getStopped(userId); 6202 } 6203 } 6204 return false; 6205 } 6206 6207 @Override 6208 protected boolean isPackageForFilter(String packageName, 6209 PackageParser.ServiceIntentInfo info) { 6210 return packageName.equals(info.service.owner.packageName); 6211 } 6212 6213 @Override 6214 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6215 int match, int userId) { 6216 if (!sUserManager.exists(userId)) return null; 6217 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6218 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6219 return null; 6220 } 6221 final PackageParser.Service service = info.service; 6222 if (mSafeMode && (service.info.applicationInfo.flags 6223 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6224 return null; 6225 } 6226 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6227 if (ps == null) { 6228 return null; 6229 } 6230 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6231 ps.readUserState(userId), userId); 6232 if (si == null) { 6233 return null; 6234 } 6235 final ResolveInfo res = new ResolveInfo(); 6236 res.serviceInfo = si; 6237 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6238 res.filter = filter; 6239 } 6240 res.priority = info.getPriority(); 6241 res.preferredOrder = service.owner.mPreferredOrder; 6242 //System.out.println("Result: " + res.activityInfo.className + 6243 // " = " + res.priority); 6244 res.match = match; 6245 res.isDefault = info.hasDefault; 6246 res.labelRes = info.labelRes; 6247 res.nonLocalizedLabel = info.nonLocalizedLabel; 6248 res.icon = info.icon; 6249 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6250 return res; 6251 } 6252 6253 @Override 6254 protected void sortResults(List<ResolveInfo> results) { 6255 Collections.sort(results, mResolvePrioritySorter); 6256 } 6257 6258 @Override 6259 protected void dumpFilter(PrintWriter out, String prefix, 6260 PackageParser.ServiceIntentInfo filter) { 6261 out.print(prefix); out.print( 6262 Integer.toHexString(System.identityHashCode(filter.service))); 6263 out.print(' '); 6264 filter.service.printComponentShortName(out); 6265 out.print(" filter "); 6266 out.println(Integer.toHexString(System.identityHashCode(filter))); 6267 } 6268 6269// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6270// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6271// final List<ResolveInfo> retList = Lists.newArrayList(); 6272// while (i.hasNext()) { 6273// final ResolveInfo resolveInfo = (ResolveInfo) i; 6274// if (isEnabledLP(resolveInfo.serviceInfo)) { 6275// retList.add(resolveInfo); 6276// } 6277// } 6278// return retList; 6279// } 6280 6281 // Keys are String (activity class name), values are Activity. 6282 private final HashMap<ComponentName, PackageParser.Service> mServices 6283 = new HashMap<ComponentName, PackageParser.Service>(); 6284 private int mFlags; 6285 }; 6286 6287 private final class ProviderIntentResolver 6288 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6289 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6290 boolean defaultOnly, int userId) { 6291 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6292 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6293 } 6294 6295 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6296 int userId) { 6297 if (!sUserManager.exists(userId)) 6298 return null; 6299 mFlags = flags; 6300 return super.queryIntent(intent, resolvedType, 6301 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6302 } 6303 6304 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6305 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6306 if (!sUserManager.exists(userId)) 6307 return null; 6308 if (packageProviders == null) { 6309 return null; 6310 } 6311 mFlags = flags; 6312 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6313 final int N = packageProviders.size(); 6314 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6315 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6316 6317 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6318 for (int i = 0; i < N; ++i) { 6319 intentFilters = packageProviders.get(i).intents; 6320 if (intentFilters != null && intentFilters.size() > 0) { 6321 PackageParser.ProviderIntentInfo[] array = 6322 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6323 intentFilters.toArray(array); 6324 listCut.add(array); 6325 } 6326 } 6327 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6328 } 6329 6330 public final void addProvider(PackageParser.Provider p) { 6331 if (mProviders.containsKey(p.getComponentName())) { 6332 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6333 return; 6334 } 6335 6336 mProviders.put(p.getComponentName(), p); 6337 if (DEBUG_SHOW_INFO) { 6338 Log.v(TAG, " " 6339 + (p.info.nonLocalizedLabel != null 6340 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6341 Log.v(TAG, " Class=" + p.info.name); 6342 } 6343 final int NI = p.intents.size(); 6344 int j; 6345 for (j = 0; j < NI; j++) { 6346 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6347 if (DEBUG_SHOW_INFO) { 6348 Log.v(TAG, " IntentFilter:"); 6349 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6350 } 6351 if (!intent.debugCheck()) { 6352 Log.w(TAG, "==> For Provider " + p.info.name); 6353 } 6354 addFilter(intent); 6355 } 6356 } 6357 6358 public final void removeProvider(PackageParser.Provider p) { 6359 mProviders.remove(p.getComponentName()); 6360 if (DEBUG_SHOW_INFO) { 6361 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6362 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6363 Log.v(TAG, " Class=" + p.info.name); 6364 } 6365 final int NI = p.intents.size(); 6366 int j; 6367 for (j = 0; j < NI; j++) { 6368 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6369 if (DEBUG_SHOW_INFO) { 6370 Log.v(TAG, " IntentFilter:"); 6371 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6372 } 6373 removeFilter(intent); 6374 } 6375 } 6376 6377 @Override 6378 protected boolean allowFilterResult( 6379 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6380 ProviderInfo filterPi = filter.provider.info; 6381 for (int i = dest.size() - 1; i >= 0; i--) { 6382 ProviderInfo destPi = dest.get(i).providerInfo; 6383 if (destPi.name == filterPi.name 6384 && destPi.packageName == filterPi.packageName) { 6385 return false; 6386 } 6387 } 6388 return true; 6389 } 6390 6391 @Override 6392 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6393 return new PackageParser.ProviderIntentInfo[size]; 6394 } 6395 6396 @Override 6397 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6398 if (!sUserManager.exists(userId)) 6399 return true; 6400 PackageParser.Package p = filter.provider.owner; 6401 if (p != null) { 6402 PackageSetting ps = (PackageSetting) p.mExtras; 6403 if (ps != null) { 6404 // System apps are never considered stopped for purposes of 6405 // filtering, because there may be no way for the user to 6406 // actually re-launch them. 6407 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6408 && ps.getStopped(userId); 6409 } 6410 } 6411 return false; 6412 } 6413 6414 @Override 6415 protected boolean isPackageForFilter(String packageName, 6416 PackageParser.ProviderIntentInfo info) { 6417 return packageName.equals(info.provider.owner.packageName); 6418 } 6419 6420 @Override 6421 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6422 int match, int userId) { 6423 if (!sUserManager.exists(userId)) 6424 return null; 6425 final PackageParser.ProviderIntentInfo info = filter; 6426 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6427 return null; 6428 } 6429 final PackageParser.Provider provider = info.provider; 6430 if (mSafeMode && (provider.info.applicationInfo.flags 6431 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6432 return null; 6433 } 6434 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6435 if (ps == null) { 6436 return null; 6437 } 6438 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6439 ps.readUserState(userId), userId); 6440 if (pi == null) { 6441 return null; 6442 } 6443 final ResolveInfo res = new ResolveInfo(); 6444 res.providerInfo = pi; 6445 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6446 res.filter = filter; 6447 } 6448 res.priority = info.getPriority(); 6449 res.preferredOrder = provider.owner.mPreferredOrder; 6450 res.match = match; 6451 res.isDefault = info.hasDefault; 6452 res.labelRes = info.labelRes; 6453 res.nonLocalizedLabel = info.nonLocalizedLabel; 6454 res.icon = info.icon; 6455 res.system = isSystemApp(res.providerInfo.applicationInfo); 6456 return res; 6457 } 6458 6459 @Override 6460 protected void sortResults(List<ResolveInfo> results) { 6461 Collections.sort(results, mResolvePrioritySorter); 6462 } 6463 6464 @Override 6465 protected void dumpFilter(PrintWriter out, String prefix, 6466 PackageParser.ProviderIntentInfo filter) { 6467 out.print(prefix); 6468 out.print( 6469 Integer.toHexString(System.identityHashCode(filter.provider))); 6470 out.print(' '); 6471 filter.provider.printComponentShortName(out); 6472 out.print(" filter "); 6473 out.println(Integer.toHexString(System.identityHashCode(filter))); 6474 } 6475 6476 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6477 = new HashMap<ComponentName, PackageParser.Provider>(); 6478 private int mFlags; 6479 }; 6480 6481 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6482 new Comparator<ResolveInfo>() { 6483 public int compare(ResolveInfo r1, ResolveInfo r2) { 6484 int v1 = r1.priority; 6485 int v2 = r2.priority; 6486 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6487 if (v1 != v2) { 6488 return (v1 > v2) ? -1 : 1; 6489 } 6490 v1 = r1.preferredOrder; 6491 v2 = r2.preferredOrder; 6492 if (v1 != v2) { 6493 return (v1 > v2) ? -1 : 1; 6494 } 6495 if (r1.isDefault != r2.isDefault) { 6496 return r1.isDefault ? -1 : 1; 6497 } 6498 v1 = r1.match; 6499 v2 = r2.match; 6500 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6501 if (v1 != v2) { 6502 return (v1 > v2) ? -1 : 1; 6503 } 6504 if (r1.system != r2.system) { 6505 return r1.system ? -1 : 1; 6506 } 6507 return 0; 6508 } 6509 }; 6510 6511 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6512 new Comparator<ProviderInfo>() { 6513 public int compare(ProviderInfo p1, ProviderInfo p2) { 6514 final int v1 = p1.initOrder; 6515 final int v2 = p2.initOrder; 6516 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6517 } 6518 }; 6519 6520 static final void sendPackageBroadcast(String action, String pkg, 6521 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6522 int[] userIds) { 6523 IActivityManager am = ActivityManagerNative.getDefault(); 6524 if (am != null) { 6525 try { 6526 if (userIds == null) { 6527 userIds = am.getRunningUserIds(); 6528 } 6529 for (int id : userIds) { 6530 final Intent intent = new Intent(action, 6531 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6532 if (extras != null) { 6533 intent.putExtras(extras); 6534 } 6535 if (targetPkg != null) { 6536 intent.setPackage(targetPkg); 6537 } 6538 // Modify the UID when posting to other users 6539 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6540 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6541 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6542 intent.putExtra(Intent.EXTRA_UID, uid); 6543 } 6544 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6545 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6546 if (DEBUG_BROADCASTS) { 6547 RuntimeException here = new RuntimeException("here"); 6548 here.fillInStackTrace(); 6549 Slog.d(TAG, "Sending to user " + id + ": " 6550 + intent.toShortString(false, true, false, false) 6551 + " " + intent.getExtras(), here); 6552 } 6553 am.broadcastIntent(null, intent, null, finishedReceiver, 6554 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6555 finishedReceiver != null, false, id); 6556 } 6557 } catch (RemoteException ex) { 6558 } 6559 } 6560 } 6561 6562 /** 6563 * Check if the external storage media is available. This is true if there 6564 * is a mounted external storage medium or if the external storage is 6565 * emulated. 6566 */ 6567 private boolean isExternalMediaAvailable() { 6568 return mMediaMounted || Environment.isExternalStorageEmulated(); 6569 } 6570 6571 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6572 // writer 6573 synchronized (mPackages) { 6574 if (!isExternalMediaAvailable()) { 6575 // If the external storage is no longer mounted at this point, 6576 // the caller may not have been able to delete all of this 6577 // packages files and can not delete any more. Bail. 6578 return null; 6579 } 6580 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6581 if (lastPackage != null) { 6582 pkgs.remove(lastPackage); 6583 } 6584 if (pkgs.size() > 0) { 6585 return pkgs.get(0); 6586 } 6587 } 6588 return null; 6589 } 6590 6591 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6592 if (false) { 6593 RuntimeException here = new RuntimeException("here"); 6594 here.fillInStackTrace(); 6595 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6596 + " andCode=" + andCode, here); 6597 } 6598 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6599 userId, andCode ? 1 : 0, packageName)); 6600 } 6601 6602 void startCleaningPackages() { 6603 // reader 6604 synchronized (mPackages) { 6605 if (!isExternalMediaAvailable()) { 6606 return; 6607 } 6608 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6609 return; 6610 } 6611 } 6612 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6613 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6614 IActivityManager am = ActivityManagerNative.getDefault(); 6615 if (am != null) { 6616 try { 6617 am.startService(null, intent, null, UserHandle.USER_OWNER); 6618 } catch (RemoteException e) { 6619 } 6620 } 6621 } 6622 6623 private final class AppDirObserver extends FileObserver { 6624 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6625 super(path, mask); 6626 mRootDir = path; 6627 mIsRom = isrom; 6628 mIsPrivileged = isPrivileged; 6629 } 6630 6631 public void onEvent(int event, String path) { 6632 String removedPackage = null; 6633 int removedAppId = -1; 6634 int[] removedUsers = null; 6635 String addedPackage = null; 6636 int addedAppId = -1; 6637 int[] addedUsers = null; 6638 6639 // TODO post a message to the handler to obtain serial ordering 6640 synchronized (mInstallLock) { 6641 String fullPathStr = null; 6642 File fullPath = null; 6643 if (path != null) { 6644 fullPath = new File(mRootDir, path); 6645 fullPathStr = fullPath.getPath(); 6646 } 6647 6648 if (DEBUG_APP_DIR_OBSERVER) 6649 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6650 6651 if (!isPackageFilename(path)) { 6652 if (DEBUG_APP_DIR_OBSERVER) 6653 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6654 return; 6655 } 6656 6657 // Ignore packages that are being installed or 6658 // have just been installed. 6659 if (ignoreCodePath(fullPathStr)) { 6660 return; 6661 } 6662 PackageParser.Package p = null; 6663 PackageSetting ps = null; 6664 // reader 6665 synchronized (mPackages) { 6666 p = mAppDirs.get(fullPathStr); 6667 if (p != null) { 6668 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6669 if (ps != null) { 6670 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6671 } else { 6672 removedUsers = sUserManager.getUserIds(); 6673 } 6674 } 6675 addedUsers = sUserManager.getUserIds(); 6676 } 6677 if ((event&REMOVE_EVENTS) != 0) { 6678 if (ps != null) { 6679 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6680 removePackageLI(ps, true); 6681 removedPackage = ps.name; 6682 removedAppId = ps.appId; 6683 } 6684 } 6685 6686 if ((event&ADD_EVENTS) != 0) { 6687 if (p == null) { 6688 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6689 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6690 if (mIsRom) { 6691 flags |= PackageParser.PARSE_IS_SYSTEM 6692 | PackageParser.PARSE_IS_SYSTEM_DIR; 6693 if (mIsPrivileged) { 6694 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6695 } 6696 } 6697 p = scanPackageLI(fullPath, flags, 6698 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6699 System.currentTimeMillis(), UserHandle.ALL); 6700 if (p != null) { 6701 /* 6702 * TODO this seems dangerous as the package may have 6703 * changed since we last acquired the mPackages 6704 * lock. 6705 */ 6706 // writer 6707 synchronized (mPackages) { 6708 updatePermissionsLPw(p.packageName, p, 6709 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6710 } 6711 addedPackage = p.applicationInfo.packageName; 6712 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6713 } 6714 } 6715 } 6716 6717 // reader 6718 synchronized (mPackages) { 6719 mSettings.writeLPr(); 6720 } 6721 } 6722 6723 if (removedPackage != null) { 6724 Bundle extras = new Bundle(1); 6725 extras.putInt(Intent.EXTRA_UID, removedAppId); 6726 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6727 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6728 extras, null, null, removedUsers); 6729 } 6730 if (addedPackage != null) { 6731 Bundle extras = new Bundle(1); 6732 extras.putInt(Intent.EXTRA_UID, addedAppId); 6733 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6734 extras, null, null, addedUsers); 6735 } 6736 } 6737 6738 private final String mRootDir; 6739 private final boolean mIsRom; 6740 private final boolean mIsPrivileged; 6741 } 6742 6743 /* Called when a downloaded package installation has been confirmed by the user */ 6744 public void installPackage( 6745 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6746 installPackage(packageURI, observer, flags, null); 6747 } 6748 6749 /* Called when a downloaded package installation has been confirmed by the user */ 6750 public void installPackage( 6751 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6752 final String installerPackageName) { 6753 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6754 null, null); 6755 } 6756 6757 @Override 6758 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6759 int flags, String installerPackageName, Uri verificationURI, 6760 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6761 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6762 VerificationParams.NO_UID, manifestDigest); 6763 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6764 installerPackageName, verificationParams, encryptionParams); 6765 } 6766 6767 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6768 IPackageInstallObserver observer, int flags, String installerPackageName, 6769 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6770 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6771 null); 6772 6773 final int uid = Binder.getCallingUid(); 6774 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6775 try { 6776 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6777 } catch (RemoteException re) { 6778 } 6779 return; 6780 } 6781 6782 UserHandle user; 6783 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6784 user = UserHandle.ALL; 6785 } else { 6786 user = new UserHandle(UserHandle.getUserId(uid)); 6787 } 6788 6789 final int filteredFlags; 6790 6791 if (uid == Process.SHELL_UID || uid == 0) { 6792 if (DEBUG_INSTALL) { 6793 Slog.v(TAG, "Install from ADB"); 6794 } 6795 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6796 } else { 6797 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6798 } 6799 6800 verificationParams.setInstallerUid(uid); 6801 6802 final Message msg = mHandler.obtainMessage(INIT_COPY); 6803 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6804 verificationParams, encryptionParams, user); 6805 mHandler.sendMessage(msg); 6806 } 6807 6808 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6809 Bundle extras = new Bundle(1); 6810 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6811 6812 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6813 packageName, extras, null, null, new int[] {userId}); 6814 try { 6815 IActivityManager am = ActivityManagerNative.getDefault(); 6816 final boolean isSystem = 6817 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6818 if (isSystem && am.isUserRunning(userId, false)) { 6819 // The just-installed/enabled app is bundled on the system, so presumed 6820 // to be able to run automatically without needing an explicit launch. 6821 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6822 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6823 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6824 .setPackage(packageName); 6825 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6826 android.app.AppOpsManager.OP_NONE, false, false, userId); 6827 } 6828 } catch (RemoteException e) { 6829 // shouldn't happen 6830 Slog.w(TAG, "Unable to bootstrap installed package", e); 6831 } 6832 } 6833 6834 @Override 6835 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6836 int userId) { 6837 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6838 PackageSetting pkgSetting; 6839 final int uid = Binder.getCallingUid(); 6840 if (UserHandle.getUserId(uid) != userId) { 6841 mContext.enforceCallingOrSelfPermission( 6842 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6843 "setApplicationBlockedSetting for user " + userId); 6844 } 6845 6846 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6847 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6848 return false; 6849 } 6850 6851 long callingId = Binder.clearCallingIdentity(); 6852 try { 6853 boolean sendAdded = false; 6854 boolean sendRemoved = false; 6855 // writer 6856 synchronized (mPackages) { 6857 pkgSetting = mSettings.mPackages.get(packageName); 6858 if (pkgSetting == null) { 6859 return false; 6860 } 6861 if (pkgSetting.getBlocked(userId) != blocked) { 6862 pkgSetting.setBlocked(blocked, userId); 6863 mSettings.writePackageRestrictionsLPr(userId); 6864 if (blocked) { 6865 sendRemoved = true; 6866 } else { 6867 sendAdded = true; 6868 } 6869 } 6870 } 6871 if (sendAdded) { 6872 sendPackageAddedForUser(packageName, pkgSetting, userId); 6873 return true; 6874 } 6875 if (sendRemoved) { 6876 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6877 "blocking pkg"); 6878 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6879 } 6880 } finally { 6881 Binder.restoreCallingIdentity(callingId); 6882 } 6883 return false; 6884 } 6885 6886 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6887 int userId) { 6888 final PackageRemovedInfo info = new PackageRemovedInfo(); 6889 info.removedPackage = packageName; 6890 info.removedUsers = new int[] {userId}; 6891 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6892 info.sendBroadcast(false, false, false); 6893 } 6894 6895 /** 6896 * Returns true if application is not found or there was an error. Otherwise it returns 6897 * the blocked state of the package for the given user. 6898 */ 6899 @Override 6900 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6901 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6902 PackageSetting pkgSetting; 6903 final int uid = Binder.getCallingUid(); 6904 if (UserHandle.getUserId(uid) != userId) { 6905 mContext.enforceCallingPermission( 6906 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6907 "getApplicationBlocked for user " + userId); 6908 } 6909 long callingId = Binder.clearCallingIdentity(); 6910 try { 6911 // writer 6912 synchronized (mPackages) { 6913 pkgSetting = mSettings.mPackages.get(packageName); 6914 if (pkgSetting == null) { 6915 return true; 6916 } 6917 return pkgSetting.getBlocked(userId); 6918 } 6919 } finally { 6920 Binder.restoreCallingIdentity(callingId); 6921 } 6922 } 6923 6924 /** 6925 * @hide 6926 */ 6927 @Override 6928 public int installExistingPackageAsUser(String packageName, int userId) { 6929 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6930 null); 6931 PackageSetting pkgSetting; 6932 final int uid = Binder.getCallingUid(); 6933 if (UserHandle.getUserId(uid) != userId) { 6934 mContext.enforceCallingPermission( 6935 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6936 "installExistingPackage for user " + userId); 6937 } 6938 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6939 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6940 } 6941 6942 long callingId = Binder.clearCallingIdentity(); 6943 try { 6944 boolean sendAdded = false; 6945 Bundle extras = new Bundle(1); 6946 6947 // writer 6948 synchronized (mPackages) { 6949 pkgSetting = mSettings.mPackages.get(packageName); 6950 if (pkgSetting == null) { 6951 return PackageManager.INSTALL_FAILED_INVALID_URI; 6952 } 6953 if (!pkgSetting.getInstalled(userId)) { 6954 pkgSetting.setInstalled(true, userId); 6955 pkgSetting.setBlocked(false, userId); 6956 mSettings.writePackageRestrictionsLPr(userId); 6957 sendAdded = true; 6958 } 6959 } 6960 6961 if (sendAdded) { 6962 sendPackageAddedForUser(packageName, pkgSetting, userId); 6963 } 6964 } finally { 6965 Binder.restoreCallingIdentity(callingId); 6966 } 6967 6968 return PackageManager.INSTALL_SUCCEEDED; 6969 } 6970 6971 private boolean isUserRestricted(int userId, String restrictionKey) { 6972 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6973 if (restrictions.getBoolean(restrictionKey, false)) { 6974 Log.w(TAG, "User is restricted: " + restrictionKey); 6975 return true; 6976 } 6977 return false; 6978 } 6979 6980 @Override 6981 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6982 mContext.enforceCallingOrSelfPermission( 6983 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6984 "Only package verification agents can verify applications"); 6985 6986 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6987 final PackageVerificationResponse response = new PackageVerificationResponse( 6988 verificationCode, Binder.getCallingUid()); 6989 msg.arg1 = id; 6990 msg.obj = response; 6991 mHandler.sendMessage(msg); 6992 } 6993 6994 @Override 6995 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6996 long millisecondsToDelay) { 6997 mContext.enforceCallingOrSelfPermission( 6998 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6999 "Only package verification agents can extend verification timeouts"); 7000 7001 final PackageVerificationState state = mPendingVerification.get(id); 7002 final PackageVerificationResponse response = new PackageVerificationResponse( 7003 verificationCodeAtTimeout, Binder.getCallingUid()); 7004 7005 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 7006 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 7007 } 7008 if (millisecondsToDelay < 0) { 7009 millisecondsToDelay = 0; 7010 } 7011 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 7012 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 7013 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 7014 } 7015 7016 if ((state != null) && !state.timeoutExtended()) { 7017 state.extendTimeout(); 7018 7019 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 7020 msg.arg1 = id; 7021 msg.obj = response; 7022 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7023 } 7024 } 7025 7026 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7027 int verificationCode, UserHandle user) { 7028 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7029 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7030 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7031 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7032 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7033 7034 mContext.sendBroadcastAsUser(intent, user, 7035 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7036 } 7037 7038 private ComponentName matchComponentForVerifier(String packageName, 7039 List<ResolveInfo> receivers) { 7040 ActivityInfo targetReceiver = null; 7041 7042 final int NR = receivers.size(); 7043 for (int i = 0; i < NR; i++) { 7044 final ResolveInfo info = receivers.get(i); 7045 if (info.activityInfo == null) { 7046 continue; 7047 } 7048 7049 if (packageName.equals(info.activityInfo.packageName)) { 7050 targetReceiver = info.activityInfo; 7051 break; 7052 } 7053 } 7054 7055 if (targetReceiver == null) { 7056 return null; 7057 } 7058 7059 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7060 } 7061 7062 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7063 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7064 if (pkgInfo.verifiers.length == 0) { 7065 return null; 7066 } 7067 7068 final int N = pkgInfo.verifiers.length; 7069 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7070 for (int i = 0; i < N; i++) { 7071 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7072 7073 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7074 receivers); 7075 if (comp == null) { 7076 continue; 7077 } 7078 7079 final int verifierUid = getUidForVerifier(verifierInfo); 7080 if (verifierUid == -1) { 7081 continue; 7082 } 7083 7084 if (DEBUG_VERIFY) { 7085 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7086 + " with the correct signature"); 7087 } 7088 sufficientVerifiers.add(comp); 7089 verificationState.addSufficientVerifier(verifierUid); 7090 } 7091 7092 return sufficientVerifiers; 7093 } 7094 7095 private int getUidForVerifier(VerifierInfo verifierInfo) { 7096 synchronized (mPackages) { 7097 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7098 if (pkg == null) { 7099 return -1; 7100 } else if (pkg.mSignatures.length != 1) { 7101 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7102 + " has more than one signature; ignoring"); 7103 return -1; 7104 } 7105 7106 /* 7107 * If the public key of the package's signature does not match 7108 * our expected public key, then this is a different package and 7109 * we should skip. 7110 */ 7111 7112 final byte[] expectedPublicKey; 7113 try { 7114 final Signature verifierSig = pkg.mSignatures[0]; 7115 final PublicKey publicKey = verifierSig.getPublicKey(); 7116 expectedPublicKey = publicKey.getEncoded(); 7117 } catch (CertificateException e) { 7118 return -1; 7119 } 7120 7121 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7122 7123 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7124 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7125 + " does not have the expected public key; ignoring"); 7126 return -1; 7127 } 7128 7129 return pkg.applicationInfo.uid; 7130 } 7131 } 7132 7133 public void finishPackageInstall(int token) { 7134 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7135 7136 if (DEBUG_INSTALL) { 7137 Slog.v(TAG, "BM finishing package install for " + token); 7138 } 7139 7140 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7141 mHandler.sendMessage(msg); 7142 } 7143 7144 /** 7145 * Get the verification agent timeout. 7146 * 7147 * @return verification timeout in milliseconds 7148 */ 7149 private long getVerificationTimeout() { 7150 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7151 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7152 DEFAULT_VERIFICATION_TIMEOUT); 7153 } 7154 7155 /** 7156 * Get the default verification agent response code. 7157 * 7158 * @return default verification response code 7159 */ 7160 private int getDefaultVerificationResponse() { 7161 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7162 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7163 DEFAULT_VERIFICATION_RESPONSE); 7164 } 7165 7166 /** 7167 * Check whether or not package verification has been enabled. 7168 * 7169 * @return true if verification should be performed 7170 */ 7171 private boolean isVerificationEnabled(int flags) { 7172 if (!DEFAULT_VERIFY_ENABLE) { 7173 return false; 7174 } 7175 7176 // Check if installing from ADB 7177 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7178 // Do not run verification in a test harness environment 7179 if (ActivityManager.isRunningInTestHarness()) { 7180 return false; 7181 } 7182 // Check if the developer does not want package verification for ADB installs 7183 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7184 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7185 return false; 7186 } 7187 } 7188 7189 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7190 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7191 } 7192 7193 /** 7194 * Get the "allow unknown sources" setting. 7195 * 7196 * @return the current "allow unknown sources" setting 7197 */ 7198 private int getUnknownSourcesSettings() { 7199 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7200 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7201 -1); 7202 } 7203 7204 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7205 final int uid = Binder.getCallingUid(); 7206 // writer 7207 synchronized (mPackages) { 7208 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7209 if (targetPackageSetting == null) { 7210 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7211 } 7212 7213 PackageSetting installerPackageSetting; 7214 if (installerPackageName != null) { 7215 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7216 if (installerPackageSetting == null) { 7217 throw new IllegalArgumentException("Unknown installer package: " 7218 + installerPackageName); 7219 } 7220 } else { 7221 installerPackageSetting = null; 7222 } 7223 7224 Signature[] callerSignature; 7225 Object obj = mSettings.getUserIdLPr(uid); 7226 if (obj != null) { 7227 if (obj instanceof SharedUserSetting) { 7228 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7229 } else if (obj instanceof PackageSetting) { 7230 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7231 } else { 7232 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7233 } 7234 } else { 7235 throw new SecurityException("Unknown calling uid " + uid); 7236 } 7237 7238 // Verify: can't set installerPackageName to a package that is 7239 // not signed with the same cert as the caller. 7240 if (installerPackageSetting != null) { 7241 if (compareSignatures(callerSignature, 7242 installerPackageSetting.signatures.mSignatures) 7243 != PackageManager.SIGNATURE_MATCH) { 7244 throw new SecurityException( 7245 "Caller does not have same cert as new installer package " 7246 + installerPackageName); 7247 } 7248 } 7249 7250 // Verify: if target already has an installer package, it must 7251 // be signed with the same cert as the caller. 7252 if (targetPackageSetting.installerPackageName != null) { 7253 PackageSetting setting = mSettings.mPackages.get( 7254 targetPackageSetting.installerPackageName); 7255 // If the currently set package isn't valid, then it's always 7256 // okay to change it. 7257 if (setting != null) { 7258 if (compareSignatures(callerSignature, 7259 setting.signatures.mSignatures) 7260 != PackageManager.SIGNATURE_MATCH) { 7261 throw new SecurityException( 7262 "Caller does not have same cert as old installer package " 7263 + targetPackageSetting.installerPackageName); 7264 } 7265 } 7266 } 7267 7268 // Okay! 7269 targetPackageSetting.installerPackageName = installerPackageName; 7270 scheduleWriteSettingsLocked(); 7271 } 7272 } 7273 7274 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7275 // Queue up an async operation since the package installation may take a little while. 7276 mHandler.post(new Runnable() { 7277 public void run() { 7278 mHandler.removeCallbacks(this); 7279 // Result object to be returned 7280 PackageInstalledInfo res = new PackageInstalledInfo(); 7281 res.returnCode = currentStatus; 7282 res.uid = -1; 7283 res.pkg = null; 7284 res.removedInfo = new PackageRemovedInfo(); 7285 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7286 args.doPreInstall(res.returnCode); 7287 synchronized (mInstallLock) { 7288 installPackageLI(args, true, res); 7289 } 7290 args.doPostInstall(res.returnCode, res.uid); 7291 } 7292 7293 // A restore should be performed at this point if (a) the install 7294 // succeeded, (b) the operation is not an update, and (c) the new 7295 // package has a backupAgent defined. 7296 final boolean update = res.removedInfo.removedPackage != null; 7297 boolean doRestore = (!update 7298 && res.pkg != null 7299 && res.pkg.applicationInfo.backupAgentName != null); 7300 7301 // Set up the post-install work request bookkeeping. This will be used 7302 // and cleaned up by the post-install event handling regardless of whether 7303 // there's a restore pass performed. Token values are >= 1. 7304 int token; 7305 if (mNextInstallToken < 0) mNextInstallToken = 1; 7306 token = mNextInstallToken++; 7307 7308 PostInstallData data = new PostInstallData(args, res); 7309 mRunningInstalls.put(token, data); 7310 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7311 7312 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7313 // Pass responsibility to the Backup Manager. It will perform a 7314 // restore if appropriate, then pass responsibility back to the 7315 // Package Manager to run the post-install observer callbacks 7316 // and broadcasts. 7317 IBackupManager bm = IBackupManager.Stub.asInterface( 7318 ServiceManager.getService(Context.BACKUP_SERVICE)); 7319 if (bm != null) { 7320 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7321 + " to BM for possible restore"); 7322 try { 7323 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7324 } catch (RemoteException e) { 7325 // can't happen; the backup manager is local 7326 } catch (Exception e) { 7327 Slog.e(TAG, "Exception trying to enqueue restore", e); 7328 doRestore = false; 7329 } 7330 } else { 7331 Slog.e(TAG, "Backup Manager not found!"); 7332 doRestore = false; 7333 } 7334 } 7335 7336 if (!doRestore) { 7337 // No restore possible, or the Backup Manager was mysteriously not 7338 // available -- just fire the post-install work request directly. 7339 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7340 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7341 mHandler.sendMessage(msg); 7342 } 7343 } 7344 }); 7345 } 7346 7347 private abstract class HandlerParams { 7348 private static final int MAX_RETRIES = 4; 7349 7350 /** 7351 * Number of times startCopy() has been attempted and had a non-fatal 7352 * error. 7353 */ 7354 private int mRetries = 0; 7355 7356 /** User handle for the user requesting the information or installation. */ 7357 private final UserHandle mUser; 7358 7359 HandlerParams(UserHandle user) { 7360 mUser = user; 7361 } 7362 7363 UserHandle getUser() { 7364 return mUser; 7365 } 7366 7367 final boolean startCopy() { 7368 boolean res; 7369 try { 7370 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7371 7372 if (++mRetries > MAX_RETRIES) { 7373 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7374 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7375 handleServiceError(); 7376 return false; 7377 } else { 7378 handleStartCopy(); 7379 res = true; 7380 } 7381 } catch (RemoteException e) { 7382 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7383 mHandler.sendEmptyMessage(MCS_RECONNECT); 7384 res = false; 7385 } 7386 handleReturnCode(); 7387 return res; 7388 } 7389 7390 final void serviceError() { 7391 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7392 handleServiceError(); 7393 handleReturnCode(); 7394 } 7395 7396 abstract void handleStartCopy() throws RemoteException; 7397 abstract void handleServiceError(); 7398 abstract void handleReturnCode(); 7399 } 7400 7401 class MeasureParams extends HandlerParams { 7402 private final PackageStats mStats; 7403 private boolean mSuccess; 7404 7405 private final IPackageStatsObserver mObserver; 7406 7407 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7408 super(new UserHandle(stats.userHandle)); 7409 mObserver = observer; 7410 mStats = stats; 7411 } 7412 7413 @Override 7414 public String toString() { 7415 return "MeasureParams{" 7416 + Integer.toHexString(System.identityHashCode(this)) 7417 + " " + mStats.packageName + "}"; 7418 } 7419 7420 @Override 7421 void handleStartCopy() throws RemoteException { 7422 synchronized (mInstallLock) { 7423 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7424 } 7425 7426 final boolean mounted; 7427 if (Environment.isExternalStorageEmulated()) { 7428 mounted = true; 7429 } else { 7430 final String status = Environment.getExternalStorageState(); 7431 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7432 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7433 } 7434 7435 if (mounted) { 7436 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7437 7438 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7439 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7440 7441 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7442 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7443 7444 // Always subtract cache size, since it's a subdirectory 7445 mStats.externalDataSize -= mStats.externalCacheSize; 7446 7447 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7448 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7449 7450 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7451 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7452 } 7453 } 7454 7455 @Override 7456 void handleReturnCode() { 7457 if (mObserver != null) { 7458 try { 7459 mObserver.onGetStatsCompleted(mStats, mSuccess); 7460 } catch (RemoteException e) { 7461 Slog.i(TAG, "Observer no longer exists."); 7462 } 7463 } 7464 } 7465 7466 @Override 7467 void handleServiceError() { 7468 Slog.e(TAG, "Could not measure application " + mStats.packageName 7469 + " external storage"); 7470 } 7471 } 7472 7473 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7474 throws RemoteException { 7475 long result = 0; 7476 for (File path : paths) { 7477 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7478 } 7479 return result; 7480 } 7481 7482 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7483 for (File path : paths) { 7484 try { 7485 mcs.clearDirectory(path.getAbsolutePath()); 7486 } catch (RemoteException e) { 7487 } 7488 } 7489 } 7490 7491 class InstallParams extends HandlerParams { 7492 final IPackageInstallObserver observer; 7493 int flags; 7494 7495 private final Uri mPackageURI; 7496 final String installerPackageName; 7497 final VerificationParams verificationParams; 7498 private InstallArgs mArgs; 7499 private int mRet; 7500 private File mTempPackage; 7501 final ContainerEncryptionParams encryptionParams; 7502 7503 InstallParams(Uri packageURI, 7504 IPackageInstallObserver observer, int flags, 7505 String installerPackageName, VerificationParams verificationParams, 7506 ContainerEncryptionParams encryptionParams, UserHandle user) { 7507 super(user); 7508 this.mPackageURI = packageURI; 7509 this.flags = flags; 7510 this.observer = observer; 7511 this.installerPackageName = installerPackageName; 7512 this.verificationParams = verificationParams; 7513 this.encryptionParams = encryptionParams; 7514 } 7515 7516 @Override 7517 public String toString() { 7518 return "InstallParams{" 7519 + Integer.toHexString(System.identityHashCode(this)) 7520 + " " + mPackageURI + "}"; 7521 } 7522 7523 public ManifestDigest getManifestDigest() { 7524 if (verificationParams == null) { 7525 return null; 7526 } 7527 return verificationParams.getManifestDigest(); 7528 } 7529 7530 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7531 String packageName = pkgLite.packageName; 7532 int installLocation = pkgLite.installLocation; 7533 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7534 // reader 7535 synchronized (mPackages) { 7536 PackageParser.Package pkg = mPackages.get(packageName); 7537 if (pkg != null) { 7538 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7539 // Check for downgrading. 7540 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7541 if (pkgLite.versionCode < pkg.mVersionCode) { 7542 Slog.w(TAG, "Can't install update of " + packageName 7543 + " update version " + pkgLite.versionCode 7544 + " is older than installed version " 7545 + pkg.mVersionCode); 7546 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7547 } 7548 } 7549 // Check for updated system application. 7550 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7551 if (onSd) { 7552 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7553 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7554 } 7555 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7556 } else { 7557 if (onSd) { 7558 // Install flag overrides everything. 7559 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7560 } 7561 // If current upgrade specifies particular preference 7562 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7563 // Application explicitly specified internal. 7564 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7565 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7566 // App explictly prefers external. Let policy decide 7567 } else { 7568 // Prefer previous location 7569 if (isExternal(pkg)) { 7570 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7571 } 7572 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7573 } 7574 } 7575 } else { 7576 // Invalid install. Return error code 7577 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7578 } 7579 } 7580 } 7581 // All the special cases have been taken care of. 7582 // Return result based on recommended install location. 7583 if (onSd) { 7584 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7585 } 7586 return pkgLite.recommendedInstallLocation; 7587 } 7588 7589 private long getMemoryLowThreshold() { 7590 final DeviceStorageMonitorInternal 7591 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7592 if (dsm == null) { 7593 return 0L; 7594 } 7595 return dsm.getMemoryLowThreshold(); 7596 } 7597 7598 /* 7599 * Invoke remote method to get package information and install 7600 * location values. Override install location based on default 7601 * policy if needed and then create install arguments based 7602 * on the install location. 7603 */ 7604 public void handleStartCopy() throws RemoteException { 7605 int ret = PackageManager.INSTALL_SUCCEEDED; 7606 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7607 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7608 PackageInfoLite pkgLite = null; 7609 7610 if (onInt && onSd) { 7611 // Check if both bits are set. 7612 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7613 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7614 } else { 7615 final long lowThreshold = getMemoryLowThreshold(); 7616 if (lowThreshold == 0L) { 7617 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7618 } 7619 7620 try { 7621 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7622 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7623 7624 final File packageFile; 7625 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7626 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7627 if (mTempPackage != null) { 7628 ParcelFileDescriptor out; 7629 try { 7630 out = ParcelFileDescriptor.open(mTempPackage, 7631 ParcelFileDescriptor.MODE_READ_WRITE); 7632 } catch (FileNotFoundException e) { 7633 out = null; 7634 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7635 } 7636 7637 // Make a temporary file for decryption. 7638 ret = mContainerService 7639 .copyResource(mPackageURI, encryptionParams, out); 7640 IoUtils.closeQuietly(out); 7641 7642 packageFile = mTempPackage; 7643 7644 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7645 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7646 | FileUtils.S_IROTH, 7647 -1, -1); 7648 } else { 7649 packageFile = null; 7650 } 7651 } else { 7652 packageFile = new File(mPackageURI.getPath()); 7653 } 7654 7655 if (packageFile != null) { 7656 // Remote call to find out default install location 7657 final String packageFilePath = packageFile.getAbsolutePath(); 7658 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7659 lowThreshold); 7660 7661 /* 7662 * If we have too little free space, try to free cache 7663 * before giving up. 7664 */ 7665 if (pkgLite.recommendedInstallLocation 7666 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7667 final long size = mContainerService.calculateInstalledSize( 7668 packageFilePath, isForwardLocked()); 7669 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7670 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7671 flags, lowThreshold); 7672 } 7673 /* 7674 * The cache free must have deleted the file we 7675 * downloaded to install. 7676 * 7677 * TODO: fix the "freeCache" call to not delete 7678 * the file we care about. 7679 */ 7680 if (pkgLite.recommendedInstallLocation 7681 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7682 pkgLite.recommendedInstallLocation 7683 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7684 } 7685 } 7686 } 7687 } finally { 7688 mContext.revokeUriPermission(mPackageURI, 7689 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7690 } 7691 } 7692 7693 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7694 int loc = pkgLite.recommendedInstallLocation; 7695 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7696 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7697 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7698 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7699 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7700 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7701 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7702 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7703 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7704 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7705 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7706 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7707 } else { 7708 // Override with defaults if needed. 7709 loc = installLocationPolicy(pkgLite, flags); 7710 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7711 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7712 } else if (!onSd && !onInt) { 7713 // Override install location with flags 7714 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7715 // Set the flag to install on external media. 7716 flags |= PackageManager.INSTALL_EXTERNAL; 7717 flags &= ~PackageManager.INSTALL_INTERNAL; 7718 } else { 7719 // Make sure the flag for installing on external 7720 // media is unset 7721 flags |= PackageManager.INSTALL_INTERNAL; 7722 flags &= ~PackageManager.INSTALL_EXTERNAL; 7723 } 7724 } 7725 } 7726 } 7727 7728 final InstallArgs args = createInstallArgs(this); 7729 mArgs = args; 7730 7731 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7732 /* 7733 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7734 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7735 */ 7736 int userIdentifier = getUser().getIdentifier(); 7737 if (userIdentifier == UserHandle.USER_ALL 7738 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7739 userIdentifier = UserHandle.USER_OWNER; 7740 } 7741 7742 /* 7743 * Determine if we have any installed package verifiers. If we 7744 * do, then we'll defer to them to verify the packages. 7745 */ 7746 final int requiredUid = mRequiredVerifierPackage == null ? -1 7747 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7748 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7749 final Intent verification = new Intent( 7750 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7751 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7752 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7753 7754 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7755 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7756 0 /* TODO: Which userId? */); 7757 7758 if (DEBUG_VERIFY) { 7759 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7760 + verification.toString() + " with " + pkgLite.verifiers.length 7761 + " optional verifiers"); 7762 } 7763 7764 final int verificationId = mPendingVerificationToken++; 7765 7766 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7767 7768 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7769 installerPackageName); 7770 7771 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7772 7773 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7774 pkgLite.packageName); 7775 7776 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7777 pkgLite.versionCode); 7778 7779 if (verificationParams != null) { 7780 if (verificationParams.getVerificationURI() != null) { 7781 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7782 verificationParams.getVerificationURI()); 7783 } 7784 if (verificationParams.getOriginatingURI() != null) { 7785 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7786 verificationParams.getOriginatingURI()); 7787 } 7788 if (verificationParams.getReferrer() != null) { 7789 verification.putExtra(Intent.EXTRA_REFERRER, 7790 verificationParams.getReferrer()); 7791 } 7792 if (verificationParams.getOriginatingUid() >= 0) { 7793 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7794 verificationParams.getOriginatingUid()); 7795 } 7796 if (verificationParams.getInstallerUid() >= 0) { 7797 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7798 verificationParams.getInstallerUid()); 7799 } 7800 } 7801 7802 final PackageVerificationState verificationState = new PackageVerificationState( 7803 requiredUid, args); 7804 7805 mPendingVerification.append(verificationId, verificationState); 7806 7807 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7808 receivers, verificationState); 7809 7810 /* 7811 * If any sufficient verifiers were listed in the package 7812 * manifest, attempt to ask them. 7813 */ 7814 if (sufficientVerifiers != null) { 7815 final int N = sufficientVerifiers.size(); 7816 if (N == 0) { 7817 Slog.i(TAG, "Additional verifiers required, but none installed."); 7818 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7819 } else { 7820 for (int i = 0; i < N; i++) { 7821 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7822 7823 final Intent sufficientIntent = new Intent(verification); 7824 sufficientIntent.setComponent(verifierComponent); 7825 7826 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7827 } 7828 } 7829 } 7830 7831 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7832 mRequiredVerifierPackage, receivers); 7833 if (ret == PackageManager.INSTALL_SUCCEEDED 7834 && mRequiredVerifierPackage != null) { 7835 /* 7836 * Send the intent to the required verification agent, 7837 * but only start the verification timeout after the 7838 * target BroadcastReceivers have run. 7839 */ 7840 verification.setComponent(requiredVerifierComponent); 7841 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7842 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7843 new BroadcastReceiver() { 7844 @Override 7845 public void onReceive(Context context, Intent intent) { 7846 final Message msg = mHandler 7847 .obtainMessage(CHECK_PENDING_VERIFICATION); 7848 msg.arg1 = verificationId; 7849 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7850 } 7851 }, null, 0, null, null); 7852 7853 /* 7854 * We don't want the copy to proceed until verification 7855 * succeeds, so null out this field. 7856 */ 7857 mArgs = null; 7858 } 7859 } else { 7860 /* 7861 * No package verification is enabled, so immediately start 7862 * the remote call to initiate copy using temporary file. 7863 */ 7864 ret = args.copyApk(mContainerService, true); 7865 } 7866 } 7867 7868 mRet = ret; 7869 } 7870 7871 @Override 7872 void handleReturnCode() { 7873 // If mArgs is null, then MCS couldn't be reached. When it 7874 // reconnects, it will try again to install. At that point, this 7875 // will succeed. 7876 if (mArgs != null) { 7877 processPendingInstall(mArgs, mRet); 7878 7879 if (mTempPackage != null) { 7880 if (!mTempPackage.delete()) { 7881 Slog.w(TAG, "Couldn't delete temporary file: " + 7882 mTempPackage.getAbsolutePath()); 7883 } 7884 } 7885 } 7886 } 7887 7888 @Override 7889 void handleServiceError() { 7890 mArgs = createInstallArgs(this); 7891 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7892 } 7893 7894 public boolean isForwardLocked() { 7895 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7896 } 7897 7898 public Uri getPackageUri() { 7899 if (mTempPackage != null) { 7900 return Uri.fromFile(mTempPackage); 7901 } else { 7902 return mPackageURI; 7903 } 7904 } 7905 } 7906 7907 /* 7908 * Utility class used in movePackage api. 7909 * srcArgs and targetArgs are not set for invalid flags and make 7910 * sure to do null checks when invoking methods on them. 7911 * We probably want to return ErrorPrams for both failed installs 7912 * and moves. 7913 */ 7914 class MoveParams extends HandlerParams { 7915 final IPackageMoveObserver observer; 7916 final int flags; 7917 final String packageName; 7918 final InstallArgs srcArgs; 7919 final InstallArgs targetArgs; 7920 int uid; 7921 int mRet; 7922 7923 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7924 String packageName, String dataDir, int uid, UserHandle user) { 7925 super(user); 7926 this.srcArgs = srcArgs; 7927 this.observer = observer; 7928 this.flags = flags; 7929 this.packageName = packageName; 7930 this.uid = uid; 7931 if (srcArgs != null) { 7932 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7933 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7934 } else { 7935 targetArgs = null; 7936 } 7937 } 7938 7939 @Override 7940 public String toString() { 7941 return "MoveParams{" 7942 + Integer.toHexString(System.identityHashCode(this)) 7943 + " " + packageName + "}"; 7944 } 7945 7946 public void handleStartCopy() throws RemoteException { 7947 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7948 // Check for storage space on target medium 7949 if (!targetArgs.checkFreeStorage(mContainerService)) { 7950 Log.w(TAG, "Insufficient storage to install"); 7951 return; 7952 } 7953 7954 mRet = srcArgs.doPreCopy(); 7955 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7956 return; 7957 } 7958 7959 mRet = targetArgs.copyApk(mContainerService, false); 7960 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7961 srcArgs.doPostCopy(uid); 7962 return; 7963 } 7964 7965 mRet = srcArgs.doPostCopy(uid); 7966 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7967 return; 7968 } 7969 7970 mRet = targetArgs.doPreInstall(mRet); 7971 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7972 return; 7973 } 7974 7975 if (DEBUG_SD_INSTALL) { 7976 StringBuilder builder = new StringBuilder(); 7977 if (srcArgs != null) { 7978 builder.append("src: "); 7979 builder.append(srcArgs.getCodePath()); 7980 } 7981 if (targetArgs != null) { 7982 builder.append(" target : "); 7983 builder.append(targetArgs.getCodePath()); 7984 } 7985 Log.i(TAG, builder.toString()); 7986 } 7987 } 7988 7989 @Override 7990 void handleReturnCode() { 7991 targetArgs.doPostInstall(mRet, uid); 7992 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7993 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7994 currentStatus = PackageManager.MOVE_SUCCEEDED; 7995 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7996 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7997 } 7998 processPendingMove(this, currentStatus); 7999 } 8000 8001 @Override 8002 void handleServiceError() { 8003 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8004 } 8005 } 8006 8007 /** 8008 * Used during creation of InstallArgs 8009 * 8010 * @param flags package installation flags 8011 * @return true if should be installed on external storage 8012 */ 8013 private static boolean installOnSd(int flags) { 8014 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 8015 return false; 8016 } 8017 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 8018 return true; 8019 } 8020 return false; 8021 } 8022 8023 /** 8024 * Used during creation of InstallArgs 8025 * 8026 * @param flags package installation flags 8027 * @return true if should be installed as forward locked 8028 */ 8029 private static boolean installForwardLocked(int flags) { 8030 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8031 } 8032 8033 private InstallArgs createInstallArgs(InstallParams params) { 8034 if (installOnSd(params.flags) || params.isForwardLocked()) { 8035 return new AsecInstallArgs(params); 8036 } else { 8037 return new FileInstallArgs(params); 8038 } 8039 } 8040 8041 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8042 String nativeLibraryPath) { 8043 final boolean isInAsec; 8044 if (installOnSd(flags)) { 8045 /* Apps on SD card are always in ASEC containers. */ 8046 isInAsec = true; 8047 } else if (installForwardLocked(flags) 8048 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8049 /* 8050 * Forward-locked apps are only in ASEC containers if they're the 8051 * new style 8052 */ 8053 isInAsec = true; 8054 } else { 8055 isInAsec = false; 8056 } 8057 8058 if (isInAsec) { 8059 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8060 installOnSd(flags), installForwardLocked(flags)); 8061 } else { 8062 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8063 } 8064 } 8065 8066 // Used by package mover 8067 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8068 if (installOnSd(flags) || installForwardLocked(flags)) { 8069 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8070 + AsecInstallArgs.RES_FILE_NAME); 8071 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8072 installForwardLocked(flags)); 8073 } else { 8074 return new FileInstallArgs(packageURI, pkgName, dataDir); 8075 } 8076 } 8077 8078 static abstract class InstallArgs { 8079 final IPackageInstallObserver observer; 8080 // Always refers to PackageManager flags only 8081 final int flags; 8082 final Uri packageURI; 8083 final String installerPackageName; 8084 final ManifestDigest manifestDigest; 8085 final UserHandle user; 8086 8087 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8088 String installerPackageName, ManifestDigest manifestDigest, 8089 UserHandle user) { 8090 this.packageURI = packageURI; 8091 this.flags = flags; 8092 this.observer = observer; 8093 this.installerPackageName = installerPackageName; 8094 this.manifestDigest = manifestDigest; 8095 this.user = user; 8096 } 8097 8098 abstract void createCopyFile(); 8099 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8100 abstract int doPreInstall(int status); 8101 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8102 8103 abstract int doPostInstall(int status, int uid); 8104 abstract String getCodePath(); 8105 abstract String getResourcePath(); 8106 abstract String getNativeLibraryPath(); 8107 // Need installer lock especially for dex file removal. 8108 abstract void cleanUpResourcesLI(); 8109 abstract boolean doPostDeleteLI(boolean delete); 8110 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8111 8112 /** 8113 * Called before the source arguments are copied. This is used mostly 8114 * for MoveParams when it needs to read the source file to put it in the 8115 * destination. 8116 */ 8117 int doPreCopy() { 8118 return PackageManager.INSTALL_SUCCEEDED; 8119 } 8120 8121 /** 8122 * Called after the source arguments are copied. This is used mostly for 8123 * MoveParams when it needs to read the source file to put it in the 8124 * destination. 8125 * 8126 * @return 8127 */ 8128 int doPostCopy(int uid) { 8129 return PackageManager.INSTALL_SUCCEEDED; 8130 } 8131 8132 protected boolean isFwdLocked() { 8133 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8134 } 8135 8136 UserHandle getUser() { 8137 return user; 8138 } 8139 } 8140 8141 class FileInstallArgs extends InstallArgs { 8142 File installDir; 8143 String codeFileName; 8144 String resourceFileName; 8145 String libraryPath; 8146 boolean created = false; 8147 8148 FileInstallArgs(InstallParams params) { 8149 super(params.getPackageUri(), params.observer, params.flags, 8150 params.installerPackageName, params.getManifestDigest(), 8151 params.getUser()); 8152 } 8153 8154 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8155 super(null, null, 0, null, null, null); 8156 File codeFile = new File(fullCodePath); 8157 installDir = codeFile.getParentFile(); 8158 codeFileName = fullCodePath; 8159 resourceFileName = fullResourcePath; 8160 libraryPath = nativeLibraryPath; 8161 } 8162 8163 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8164 super(packageURI, null, 0, null, null, null); 8165 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8166 String apkName = getNextCodePath(null, pkgName, ".apk"); 8167 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8168 resourceFileName = getResourcePathFromCodePath(); 8169 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8170 } 8171 8172 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8173 final long lowThreshold; 8174 8175 final DeviceStorageMonitorInternal 8176 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8177 if (dsm == null) { 8178 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8179 lowThreshold = 0L; 8180 } else { 8181 if (dsm.isMemoryLow()) { 8182 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8183 return false; 8184 } 8185 8186 lowThreshold = dsm.getMemoryLowThreshold(); 8187 } 8188 8189 try { 8190 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8191 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8192 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8193 } finally { 8194 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8195 } 8196 } 8197 8198 String getCodePath() { 8199 return codeFileName; 8200 } 8201 8202 void createCopyFile() { 8203 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8204 codeFileName = createTempPackageFile(installDir).getPath(); 8205 resourceFileName = getResourcePathFromCodePath(); 8206 libraryPath = getLibraryPathFromCodePath(); 8207 created = true; 8208 } 8209 8210 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8211 if (temp) { 8212 // Generate temp file name 8213 createCopyFile(); 8214 } 8215 // Get a ParcelFileDescriptor to write to the output file 8216 File codeFile = new File(codeFileName); 8217 if (!created) { 8218 try { 8219 codeFile.createNewFile(); 8220 // Set permissions 8221 if (!setPermissions()) { 8222 // Failed setting permissions. 8223 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8224 } 8225 } catch (IOException e) { 8226 Slog.w(TAG, "Failed to create file " + codeFile); 8227 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8228 } 8229 } 8230 ParcelFileDescriptor out = null; 8231 try { 8232 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8233 } catch (FileNotFoundException e) { 8234 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8235 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8236 } 8237 // Copy the resource now 8238 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8239 try { 8240 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8241 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8242 ret = imcs.copyResource(packageURI, null, out); 8243 } finally { 8244 IoUtils.closeQuietly(out); 8245 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8246 } 8247 8248 if (isFwdLocked()) { 8249 final File destResourceFile = new File(getResourcePath()); 8250 8251 // Copy the public files 8252 try { 8253 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8254 } catch (IOException e) { 8255 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8256 + " forward-locked app."); 8257 destResourceFile.delete(); 8258 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8259 } 8260 } 8261 8262 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8263 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8264 if (nativeLibraryFile.exists()) { 8265 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8266 nativeLibraryFile.delete(); 8267 } 8268 try { 8269 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8270 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8271 return copyRet; 8272 } 8273 } catch (IOException e) { 8274 Slog.e(TAG, "Copying native libraries failed", e); 8275 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8276 } 8277 8278 return ret; 8279 } 8280 8281 int doPreInstall(int status) { 8282 if (status != PackageManager.INSTALL_SUCCEEDED) { 8283 cleanUp(); 8284 } 8285 return status; 8286 } 8287 8288 boolean doRename(int status, final String pkgName, String oldCodePath) { 8289 if (status != PackageManager.INSTALL_SUCCEEDED) { 8290 cleanUp(); 8291 return false; 8292 } else { 8293 final File oldCodeFile = new File(getCodePath()); 8294 final File oldResourceFile = new File(getResourcePath()); 8295 final File oldLibraryFile = new File(getNativeLibraryPath()); 8296 8297 // Rename APK file based on packageName 8298 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8299 final File newCodeFile = new File(installDir, apkName + ".apk"); 8300 if (!oldCodeFile.renameTo(newCodeFile)) { 8301 return false; 8302 } 8303 codeFileName = newCodeFile.getPath(); 8304 8305 // Rename public resource file if it's forward-locked. 8306 final File newResFile = new File(getResourcePathFromCodePath()); 8307 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8308 return false; 8309 } 8310 resourceFileName = newResFile.getPath(); 8311 8312 // Rename library path 8313 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8314 if (newLibraryFile.exists()) { 8315 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8316 newLibraryFile.delete(); 8317 } 8318 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8319 Slog.e(TAG, "Cannot rename native library directory " 8320 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8321 return false; 8322 } 8323 libraryPath = newLibraryFile.getPath(); 8324 8325 // Attempt to set permissions 8326 if (!setPermissions()) { 8327 return false; 8328 } 8329 8330 if (!SELinux.restorecon(newCodeFile)) { 8331 return false; 8332 } 8333 8334 return true; 8335 } 8336 } 8337 8338 int doPostInstall(int status, int uid) { 8339 if (status != PackageManager.INSTALL_SUCCEEDED) { 8340 cleanUp(); 8341 } 8342 return status; 8343 } 8344 8345 String getResourcePath() { 8346 return resourceFileName; 8347 } 8348 8349 private String getResourcePathFromCodePath() { 8350 final String codePath = getCodePath(); 8351 if (isFwdLocked()) { 8352 final StringBuilder sb = new StringBuilder(); 8353 8354 sb.append(mAppInstallDir.getPath()); 8355 sb.append('/'); 8356 sb.append(getApkName(codePath)); 8357 sb.append(".zip"); 8358 8359 /* 8360 * If our APK is a temporary file, mark the resource as a 8361 * temporary file as well so it can be cleaned up after 8362 * catastrophic failure. 8363 */ 8364 if (codePath.endsWith(".tmp")) { 8365 sb.append(".tmp"); 8366 } 8367 8368 return sb.toString(); 8369 } else { 8370 return codePath; 8371 } 8372 } 8373 8374 private String getLibraryPathFromCodePath() { 8375 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8376 } 8377 8378 @Override 8379 String getNativeLibraryPath() { 8380 if (libraryPath == null) { 8381 libraryPath = getLibraryPathFromCodePath(); 8382 } 8383 return libraryPath; 8384 } 8385 8386 private boolean cleanUp() { 8387 boolean ret = true; 8388 String sourceDir = getCodePath(); 8389 String publicSourceDir = getResourcePath(); 8390 if (sourceDir != null) { 8391 File sourceFile = new File(sourceDir); 8392 if (!sourceFile.exists()) { 8393 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8394 ret = false; 8395 } 8396 // Delete application's code and resources 8397 sourceFile.delete(); 8398 } 8399 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8400 final File publicSourceFile = new File(publicSourceDir); 8401 if (!publicSourceFile.exists()) { 8402 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8403 } 8404 if (publicSourceFile.exists()) { 8405 publicSourceFile.delete(); 8406 } 8407 } 8408 8409 if (libraryPath != null) { 8410 File nativeLibraryFile = new File(libraryPath); 8411 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8412 if (!nativeLibraryFile.delete()) { 8413 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8414 } 8415 } 8416 8417 return ret; 8418 } 8419 8420 void cleanUpResourcesLI() { 8421 String sourceDir = getCodePath(); 8422 if (cleanUp()) { 8423 int retCode = mInstaller.rmdex(sourceDir); 8424 if (retCode < 0) { 8425 Slog.w(TAG, "Couldn't remove dex file for package: " 8426 + " at location " 8427 + sourceDir + ", retcode=" + retCode); 8428 // we don't consider this to be a failure of the core package deletion 8429 } 8430 } 8431 } 8432 8433 private boolean setPermissions() { 8434 // TODO Do this in a more elegant way later on. for now just a hack 8435 if (!isFwdLocked()) { 8436 final int filePermissions = 8437 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8438 |FileUtils.S_IROTH; 8439 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8440 if (retCode != 0) { 8441 Slog.e(TAG, "Couldn't set new package file permissions for " + 8442 getCodePath() 8443 + ". The return code was: " + retCode); 8444 // TODO Define new internal error 8445 return false; 8446 } 8447 return true; 8448 } 8449 return true; 8450 } 8451 8452 boolean doPostDeleteLI(boolean delete) { 8453 // XXX err, shouldn't we respect the delete flag? 8454 cleanUpResourcesLI(); 8455 return true; 8456 } 8457 } 8458 8459 private boolean isAsecExternal(String cid) { 8460 final String asecPath = PackageHelper.getSdFilesystem(cid); 8461 return !asecPath.startsWith(mAsecInternalPath); 8462 } 8463 8464 /** 8465 * Extract the MountService "container ID" from the full code path of an 8466 * .apk. 8467 */ 8468 static String cidFromCodePath(String fullCodePath) { 8469 int eidx = fullCodePath.lastIndexOf("/"); 8470 String subStr1 = fullCodePath.substring(0, eidx); 8471 int sidx = subStr1.lastIndexOf("/"); 8472 return subStr1.substring(sidx+1, eidx); 8473 } 8474 8475 class AsecInstallArgs extends InstallArgs { 8476 static final String RES_FILE_NAME = "pkg.apk"; 8477 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8478 8479 String cid; 8480 String packagePath; 8481 String resourcePath; 8482 String libraryPath; 8483 8484 AsecInstallArgs(InstallParams params) { 8485 super(params.getPackageUri(), params.observer, params.flags, 8486 params.installerPackageName, params.getManifestDigest(), 8487 params.getUser()); 8488 } 8489 8490 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8491 boolean isExternal, boolean isForwardLocked) { 8492 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8493 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8494 null, null, null); 8495 // Extract cid from fullCodePath 8496 int eidx = fullCodePath.lastIndexOf("/"); 8497 String subStr1 = fullCodePath.substring(0, eidx); 8498 int sidx = subStr1.lastIndexOf("/"); 8499 cid = subStr1.substring(sidx+1, eidx); 8500 setCachePath(subStr1); 8501 } 8502 8503 AsecInstallArgs(String cid, boolean isForwardLocked) { 8504 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8505 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8506 null, null, null); 8507 this.cid = cid; 8508 setCachePath(PackageHelper.getSdDir(cid)); 8509 } 8510 8511 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8512 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8513 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8514 null, null, null); 8515 this.cid = cid; 8516 } 8517 8518 void createCopyFile() { 8519 cid = getTempContainerId(); 8520 } 8521 8522 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8523 try { 8524 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8525 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8526 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8527 } finally { 8528 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8529 } 8530 } 8531 8532 private final boolean isExternal() { 8533 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8534 } 8535 8536 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8537 if (temp) { 8538 createCopyFile(); 8539 } else { 8540 /* 8541 * Pre-emptively destroy the container since it's destroyed if 8542 * copying fails due to it existing anyway. 8543 */ 8544 PackageHelper.destroySdDir(cid); 8545 } 8546 8547 final String newCachePath; 8548 try { 8549 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8550 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8551 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8552 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8553 } finally { 8554 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8555 } 8556 8557 if (newCachePath != null) { 8558 setCachePath(newCachePath); 8559 return PackageManager.INSTALL_SUCCEEDED; 8560 } else { 8561 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8562 } 8563 } 8564 8565 @Override 8566 String getCodePath() { 8567 return packagePath; 8568 } 8569 8570 @Override 8571 String getResourcePath() { 8572 return resourcePath; 8573 } 8574 8575 @Override 8576 String getNativeLibraryPath() { 8577 return libraryPath; 8578 } 8579 8580 int doPreInstall(int status) { 8581 if (status != PackageManager.INSTALL_SUCCEEDED) { 8582 // Destroy container 8583 PackageHelper.destroySdDir(cid); 8584 } else { 8585 boolean mounted = PackageHelper.isContainerMounted(cid); 8586 if (!mounted) { 8587 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8588 Process.SYSTEM_UID); 8589 if (newCachePath != null) { 8590 setCachePath(newCachePath); 8591 } else { 8592 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8593 } 8594 } 8595 } 8596 return status; 8597 } 8598 8599 boolean doRename(int status, final String pkgName, 8600 String oldCodePath) { 8601 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8602 String newCachePath = null; 8603 if (PackageHelper.isContainerMounted(cid)) { 8604 // Unmount the container 8605 if (!PackageHelper.unMountSdDir(cid)) { 8606 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8607 return false; 8608 } 8609 } 8610 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8611 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8612 " which might be stale. Will try to clean up."); 8613 // Clean up the stale container and proceed to recreate. 8614 if (!PackageHelper.destroySdDir(newCacheId)) { 8615 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8616 return false; 8617 } 8618 // Successfully cleaned up stale container. Try to rename again. 8619 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8620 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8621 + " inspite of cleaning it up."); 8622 return false; 8623 } 8624 } 8625 if (!PackageHelper.isContainerMounted(newCacheId)) { 8626 Slog.w(TAG, "Mounting container " + newCacheId); 8627 newCachePath = PackageHelper.mountSdDir(newCacheId, 8628 getEncryptKey(), Process.SYSTEM_UID); 8629 } else { 8630 newCachePath = PackageHelper.getSdDir(newCacheId); 8631 } 8632 if (newCachePath == null) { 8633 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8634 return false; 8635 } 8636 Log.i(TAG, "Succesfully renamed " + cid + 8637 " to " + newCacheId + 8638 " at new path: " + newCachePath); 8639 cid = newCacheId; 8640 setCachePath(newCachePath); 8641 return true; 8642 } 8643 8644 private void setCachePath(String newCachePath) { 8645 File cachePath = new File(newCachePath); 8646 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8647 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8648 8649 if (isFwdLocked()) { 8650 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8651 } else { 8652 resourcePath = packagePath; 8653 } 8654 } 8655 8656 int doPostInstall(int status, int uid) { 8657 if (status != PackageManager.INSTALL_SUCCEEDED) { 8658 cleanUp(); 8659 } else { 8660 final int groupOwner; 8661 final String protectedFile; 8662 if (isFwdLocked()) { 8663 groupOwner = UserHandle.getSharedAppGid(uid); 8664 protectedFile = RES_FILE_NAME; 8665 } else { 8666 groupOwner = -1; 8667 protectedFile = null; 8668 } 8669 8670 if (uid < Process.FIRST_APPLICATION_UID 8671 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8672 Slog.e(TAG, "Failed to finalize " + cid); 8673 PackageHelper.destroySdDir(cid); 8674 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8675 } 8676 8677 boolean mounted = PackageHelper.isContainerMounted(cid); 8678 if (!mounted) { 8679 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8680 } 8681 } 8682 return status; 8683 } 8684 8685 private void cleanUp() { 8686 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8687 8688 // Destroy secure container 8689 PackageHelper.destroySdDir(cid); 8690 } 8691 8692 void cleanUpResourcesLI() { 8693 String sourceFile = getCodePath(); 8694 // Remove dex file 8695 int retCode = mInstaller.rmdex(sourceFile); 8696 if (retCode < 0) { 8697 Slog.w(TAG, "Couldn't remove dex file for package: " 8698 + " at location " 8699 + sourceFile.toString() + ", retcode=" + retCode); 8700 // we don't consider this to be a failure of the core package deletion 8701 } 8702 cleanUp(); 8703 } 8704 8705 boolean matchContainer(String app) { 8706 if (cid.startsWith(app)) { 8707 return true; 8708 } 8709 return false; 8710 } 8711 8712 String getPackageName() { 8713 return getAsecPackageName(cid); 8714 } 8715 8716 boolean doPostDeleteLI(boolean delete) { 8717 boolean ret = false; 8718 boolean mounted = PackageHelper.isContainerMounted(cid); 8719 if (mounted) { 8720 // Unmount first 8721 ret = PackageHelper.unMountSdDir(cid); 8722 } 8723 if (ret && delete) { 8724 cleanUpResourcesLI(); 8725 } 8726 return ret; 8727 } 8728 8729 @Override 8730 int doPreCopy() { 8731 if (isFwdLocked()) { 8732 if (!PackageHelper.fixSdPermissions(cid, 8733 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8734 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8735 } 8736 } 8737 8738 return PackageManager.INSTALL_SUCCEEDED; 8739 } 8740 8741 @Override 8742 int doPostCopy(int uid) { 8743 if (isFwdLocked()) { 8744 if (uid < Process.FIRST_APPLICATION_UID 8745 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8746 RES_FILE_NAME)) { 8747 Slog.e(TAG, "Failed to finalize " + cid); 8748 PackageHelper.destroySdDir(cid); 8749 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8750 } 8751 } 8752 8753 return PackageManager.INSTALL_SUCCEEDED; 8754 } 8755 }; 8756 8757 static String getAsecPackageName(String packageCid) { 8758 int idx = packageCid.lastIndexOf("-"); 8759 if (idx == -1) { 8760 return packageCid; 8761 } 8762 return packageCid.substring(0, idx); 8763 } 8764 8765 // Utility method used to create code paths based on package name and available index. 8766 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8767 String idxStr = ""; 8768 int idx = 1; 8769 // Fall back to default value of idx=1 if prefix is not 8770 // part of oldCodePath 8771 if (oldCodePath != null) { 8772 String subStr = oldCodePath; 8773 // Drop the suffix right away 8774 if (subStr.endsWith(suffix)) { 8775 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8776 } 8777 // If oldCodePath already contains prefix find out the 8778 // ending index to either increment or decrement. 8779 int sidx = subStr.lastIndexOf(prefix); 8780 if (sidx != -1) { 8781 subStr = subStr.substring(sidx + prefix.length()); 8782 if (subStr != null) { 8783 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8784 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8785 } 8786 try { 8787 idx = Integer.parseInt(subStr); 8788 if (idx <= 1) { 8789 idx++; 8790 } else { 8791 idx--; 8792 } 8793 } catch(NumberFormatException e) { 8794 } 8795 } 8796 } 8797 } 8798 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8799 return prefix + idxStr; 8800 } 8801 8802 // Utility method used to ignore ADD/REMOVE events 8803 // by directory observer. 8804 private static boolean ignoreCodePath(String fullPathStr) { 8805 String apkName = getApkName(fullPathStr); 8806 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8807 if (idx != -1 && ((idx+1) < apkName.length())) { 8808 // Make sure the package ends with a numeral 8809 String version = apkName.substring(idx+1); 8810 try { 8811 Integer.parseInt(version); 8812 return true; 8813 } catch (NumberFormatException e) {} 8814 } 8815 return false; 8816 } 8817 8818 // Utility method that returns the relative package path with respect 8819 // to the installation directory. Like say for /data/data/com.test-1.apk 8820 // string com.test-1 is returned. 8821 static String getApkName(String codePath) { 8822 if (codePath == null) { 8823 return null; 8824 } 8825 int sidx = codePath.lastIndexOf("/"); 8826 int eidx = codePath.lastIndexOf("."); 8827 if (eidx == -1) { 8828 eidx = codePath.length(); 8829 } else if (eidx == 0) { 8830 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8831 return null; 8832 } 8833 return codePath.substring(sidx+1, eidx); 8834 } 8835 8836 class PackageInstalledInfo { 8837 String name; 8838 int uid; 8839 // The set of users that originally had this package installed. 8840 int[] origUsers; 8841 // The set of users that now have this package installed. 8842 int[] newUsers; 8843 PackageParser.Package pkg; 8844 int returnCode; 8845 PackageRemovedInfo removedInfo; 8846 } 8847 8848 /* 8849 * Install a non-existing package. 8850 */ 8851 private void installNewPackageLI(PackageParser.Package pkg, 8852 int parseFlags, int scanMode, UserHandle user, 8853 String installerPackageName, PackageInstalledInfo res) { 8854 // Remember this for later, in case we need to rollback this install 8855 String pkgName = pkg.packageName; 8856 8857 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8858 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8859 synchronized(mPackages) { 8860 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8861 // A package with the same name is already installed, though 8862 // it has been renamed to an older name. The package we 8863 // are trying to install should be installed as an update to 8864 // the existing one, but that has not been requested, so bail. 8865 Slog.w(TAG, "Attempt to re-install " + pkgName 8866 + " without first uninstalling package running as " 8867 + mSettings.mRenamedPackages.get(pkgName)); 8868 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8869 return; 8870 } 8871 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8872 // Don't allow installation over an existing package with the same name. 8873 Slog.w(TAG, "Attempt to re-install " + pkgName 8874 + " without first uninstalling."); 8875 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8876 return; 8877 } 8878 } 8879 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8880 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8881 System.currentTimeMillis(), user); 8882 if (newPackage == null) { 8883 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8884 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8885 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8886 } 8887 } else { 8888 updateSettingsLI(newPackage, 8889 installerPackageName, 8890 null, null, 8891 res); 8892 // delete the partially installed application. the data directory will have to be 8893 // restored if it was already existing 8894 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8895 // remove package from internal structures. Note that we want deletePackageX to 8896 // delete the package data and cache directories that it created in 8897 // scanPackageLocked, unless those directories existed before we even tried to 8898 // install. 8899 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8900 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8901 res.removedInfo, true); 8902 } 8903 } 8904 } 8905 8906 private void replacePackageLI(PackageParser.Package pkg, 8907 int parseFlags, int scanMode, UserHandle user, 8908 String installerPackageName, PackageInstalledInfo res) { 8909 8910 PackageParser.Package oldPackage; 8911 String pkgName = pkg.packageName; 8912 int[] allUsers; 8913 boolean[] perUserInstalled; 8914 8915 // First find the old package info and check signatures 8916 synchronized(mPackages) { 8917 oldPackage = mPackages.get(pkgName); 8918 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8919 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8920 != PackageManager.SIGNATURE_MATCH) { 8921 Slog.w(TAG, "New package has a different signature: " + pkgName); 8922 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8923 return; 8924 } 8925 8926 // In case of rollback, remember per-user/profile install state 8927 PackageSetting ps = mSettings.mPackages.get(pkgName); 8928 allUsers = sUserManager.getUserIds(); 8929 perUserInstalled = new boolean[allUsers.length]; 8930 for (int i = 0; i < allUsers.length; i++) { 8931 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8932 } 8933 } 8934 boolean sysPkg = (isSystemApp(oldPackage)); 8935 if (sysPkg) { 8936 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8937 user, allUsers, perUserInstalled, installerPackageName, res); 8938 } else { 8939 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8940 user, allUsers, perUserInstalled, installerPackageName, res); 8941 } 8942 } 8943 8944 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8945 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8946 int[] allUsers, boolean[] perUserInstalled, 8947 String installerPackageName, PackageInstalledInfo res) { 8948 PackageParser.Package newPackage = null; 8949 String pkgName = deletedPackage.packageName; 8950 boolean deletedPkg = true; 8951 boolean updatedSettings = false; 8952 8953 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8954 + deletedPackage); 8955 long origUpdateTime; 8956 if (pkg.mExtras != null) { 8957 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8958 } else { 8959 origUpdateTime = 0; 8960 } 8961 8962 // First delete the existing package while retaining the data directory 8963 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8964 res.removedInfo, true)) { 8965 // If the existing package wasn't successfully deleted 8966 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8967 deletedPkg = false; 8968 } else { 8969 // Successfully deleted the old package. Now proceed with re-installation 8970 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8971 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8972 System.currentTimeMillis(), user); 8973 if (newPackage == null) { 8974 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8975 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8976 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8977 } 8978 } else { 8979 updateSettingsLI(newPackage, 8980 installerPackageName, 8981 allUsers, perUserInstalled, 8982 res); 8983 updatedSettings = true; 8984 } 8985 } 8986 8987 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8988 // remove package from internal structures. Note that we want deletePackageX to 8989 // delete the package data and cache directories that it created in 8990 // scanPackageLocked, unless those directories existed before we even tried to 8991 // install. 8992 if(updatedSettings) { 8993 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8994 deletePackageLI( 8995 pkgName, null, true, allUsers, perUserInstalled, 8996 PackageManager.DELETE_KEEP_DATA, 8997 res.removedInfo, true); 8998 } 8999 // Since we failed to install the new package we need to restore the old 9000 // package that we deleted. 9001 if(deletedPkg) { 9002 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 9003 File restoreFile = new File(deletedPackage.mPath); 9004 // Parse old package 9005 boolean oldOnSd = isExternal(deletedPackage); 9006 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 9007 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 9008 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 9009 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 9010 | SCAN_UPDATE_TIME; 9011 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 9012 origUpdateTime, null) == null) { 9013 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 9014 return; 9015 } 9016 // Restore of old package succeeded. Update permissions. 9017 // writer 9018 synchronized (mPackages) { 9019 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 9020 UPDATE_PERMISSIONS_ALL); 9021 // can downgrade to reader 9022 mSettings.writeLPr(); 9023 } 9024 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9025 } 9026 } 9027 } 9028 9029 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9030 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9031 int[] allUsers, boolean[] perUserInstalled, 9032 String installerPackageName, PackageInstalledInfo res) { 9033 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9034 + ", old=" + deletedPackage); 9035 PackageParser.Package newPackage = null; 9036 boolean updatedSettings = false; 9037 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9038 PackageParser.PARSE_IS_SYSTEM; 9039 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9040 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9041 } 9042 String packageName = deletedPackage.packageName; 9043 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9044 if (packageName == null) { 9045 Slog.w(TAG, "Attempt to delete null packageName."); 9046 return; 9047 } 9048 PackageParser.Package oldPkg; 9049 PackageSetting oldPkgSetting; 9050 // reader 9051 synchronized (mPackages) { 9052 oldPkg = mPackages.get(packageName); 9053 oldPkgSetting = mSettings.mPackages.get(packageName); 9054 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9055 (oldPkgSetting == null)) { 9056 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9057 return; 9058 } 9059 } 9060 9061 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9062 9063 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9064 res.removedInfo.removedPackage = packageName; 9065 // Remove existing system package 9066 removePackageLI(oldPkgSetting, true); 9067 // writer 9068 synchronized (mPackages) { 9069 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9070 // We didn't need to disable the .apk as a current system package, 9071 // which means we are replacing another update that is already 9072 // installed. We need to make sure to delete the older one's .apk. 9073 res.removedInfo.args = createInstallArgs(0, 9074 deletedPackage.applicationInfo.sourceDir, 9075 deletedPackage.applicationInfo.publicSourceDir, 9076 deletedPackage.applicationInfo.nativeLibraryDir); 9077 } else { 9078 res.removedInfo.args = null; 9079 } 9080 } 9081 9082 // Successfully disabled the old package. Now proceed with re-installation 9083 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9084 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9085 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9086 if (newPackage == null) { 9087 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9088 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9089 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9090 } 9091 } else { 9092 if (newPackage.mExtras != null) { 9093 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9094 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9095 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9096 } 9097 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9098 updatedSettings = true; 9099 } 9100 9101 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9102 // Re installation failed. Restore old information 9103 // Remove new pkg information 9104 if (newPackage != null) { 9105 removeInstalledPackageLI(newPackage, true); 9106 } 9107 // Add back the old system package 9108 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9109 // Restore the old system information in Settings 9110 synchronized(mPackages) { 9111 if (updatedSettings) { 9112 mSettings.enableSystemPackageLPw(packageName); 9113 mSettings.setInstallerPackageName(packageName, 9114 oldPkgSetting.installerPackageName); 9115 } 9116 mSettings.writeLPr(); 9117 } 9118 } 9119 } 9120 9121 // Utility method used to move dex files during install. 9122 private int moveDexFilesLI(PackageParser.Package newPackage) { 9123 int retCode; 9124 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9125 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9126 if (retCode != 0) { 9127 if (mNoDexOpt) { 9128 /* 9129 * If we're in an engineering build, programs are lazily run 9130 * through dexopt. If the .dex file doesn't exist yet, it 9131 * will be created when the program is run next. 9132 */ 9133 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9134 } else { 9135 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9136 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9137 } 9138 } 9139 } 9140 return PackageManager.INSTALL_SUCCEEDED; 9141 } 9142 9143 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9144 int[] allUsers, boolean[] perUserInstalled, 9145 PackageInstalledInfo res) { 9146 String pkgName = newPackage.packageName; 9147 synchronized (mPackages) { 9148 //write settings. the installStatus will be incomplete at this stage. 9149 //note that the new package setting would have already been 9150 //added to mPackages. It hasn't been persisted yet. 9151 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9152 mSettings.writeLPr(); 9153 } 9154 9155 if ((res.returnCode = moveDexFilesLI(newPackage)) 9156 != PackageManager.INSTALL_SUCCEEDED) { 9157 // Discontinue if moving dex files failed. 9158 return; 9159 } 9160 9161 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9162 9163 synchronized (mPackages) { 9164 updatePermissionsLPw(newPackage.packageName, newPackage, 9165 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9166 ? UPDATE_PERMISSIONS_ALL : 0)); 9167 // For system-bundled packages, we assume that installing an upgraded version 9168 // of the package implies that the user actually wants to run that new code, 9169 // so we enable the package. 9170 if (isSystemApp(newPackage)) { 9171 // NB: implicit assumption that system package upgrades apply to all users 9172 if (DEBUG_INSTALL) { 9173 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9174 } 9175 PackageSetting ps = mSettings.mPackages.get(pkgName); 9176 if (ps != null) { 9177 if (res.origUsers != null) { 9178 for (int userHandle : res.origUsers) { 9179 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9180 userHandle, installerPackageName); 9181 } 9182 } 9183 // Also convey the prior install/uninstall state 9184 if (allUsers != null && perUserInstalled != null) { 9185 for (int i = 0; i < allUsers.length; i++) { 9186 if (DEBUG_INSTALL) { 9187 Slog.d(TAG, " user " + allUsers[i] 9188 + " => " + perUserInstalled[i]); 9189 } 9190 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9191 } 9192 // these install state changes will be persisted in the 9193 // upcoming call to mSettings.writeLPr(). 9194 } 9195 } 9196 } 9197 res.name = pkgName; 9198 res.uid = newPackage.applicationInfo.uid; 9199 res.pkg = newPackage; 9200 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9201 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9202 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9203 //to update install status 9204 mSettings.writeLPr(); 9205 } 9206 } 9207 9208 private void installPackageLI(InstallArgs args, 9209 boolean newInstall, PackageInstalledInfo res) { 9210 int pFlags = args.flags; 9211 String installerPackageName = args.installerPackageName; 9212 File tmpPackageFile = new File(args.getCodePath()); 9213 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9214 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9215 boolean replace = false; 9216 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9217 | (newInstall ? SCAN_NEW_INSTALL : 0); 9218 // Result object to be returned 9219 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9220 9221 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9222 // Retrieve PackageSettings and parse package 9223 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9224 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9225 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9226 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9227 pp.setSeparateProcesses(mSeparateProcesses); 9228 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9229 null, mMetrics, parseFlags); 9230 if (pkg == null) { 9231 res.returnCode = pp.getParseError(); 9232 return; 9233 } 9234 String pkgName = res.name = pkg.packageName; 9235 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9236 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9237 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9238 return; 9239 } 9240 } 9241 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9242 res.returnCode = pp.getParseError(); 9243 return; 9244 } 9245 9246 /* If the installer passed in a manifest digest, compare it now. */ 9247 if (args.manifestDigest != null) { 9248 if (DEBUG_INSTALL) { 9249 final String parsedManifest = pkg.manifestDigest == null ? "null" 9250 : pkg.manifestDigest.toString(); 9251 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9252 + parsedManifest); 9253 } 9254 9255 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9256 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9257 return; 9258 } 9259 } else if (DEBUG_INSTALL) { 9260 final String parsedManifest = pkg.manifestDigest == null 9261 ? "null" : pkg.manifestDigest.toString(); 9262 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9263 } 9264 9265 // Get rid of all references to package scan path via parser. 9266 pp = null; 9267 String oldCodePath = null; 9268 boolean systemApp = false; 9269 synchronized (mPackages) { 9270 // Check if installing already existing package 9271 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9272 String oldName = mSettings.mRenamedPackages.get(pkgName); 9273 if (pkg.mOriginalPackages != null 9274 && pkg.mOriginalPackages.contains(oldName) 9275 && mPackages.containsKey(oldName)) { 9276 // This package is derived from an original package, 9277 // and this device has been updating from that original 9278 // name. We must continue using the original name, so 9279 // rename the new package here. 9280 pkg.setPackageName(oldName); 9281 pkgName = pkg.packageName; 9282 replace = true; 9283 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9284 + oldName + " pkgName=" + pkgName); 9285 } else if (mPackages.containsKey(pkgName)) { 9286 // This package, under its official name, already exists 9287 // on the device; we should replace it. 9288 replace = true; 9289 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9290 } 9291 } 9292 PackageSetting ps = mSettings.mPackages.get(pkgName); 9293 if (ps != null) { 9294 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9295 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9296 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9297 systemApp = (ps.pkg.applicationInfo.flags & 9298 ApplicationInfo.FLAG_SYSTEM) != 0; 9299 } 9300 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9301 } 9302 } 9303 9304 if (systemApp && onSd) { 9305 // Disable updates to system apps on sdcard 9306 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9307 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9308 return; 9309 } 9310 9311 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9312 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9313 return; 9314 } 9315 // Set application objects path explicitly after the rename 9316 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9317 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9318 if (replace) { 9319 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9320 installerPackageName, res); 9321 } else { 9322 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9323 installerPackageName, res); 9324 } 9325 synchronized (mPackages) { 9326 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9327 if (ps != null) { 9328 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9329 } 9330 } 9331 } 9332 9333 private static boolean isForwardLocked(PackageParser.Package pkg) { 9334 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9335 } 9336 9337 9338 private boolean isForwardLocked(PackageSetting ps) { 9339 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9340 } 9341 9342 private static boolean isExternal(PackageParser.Package pkg) { 9343 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9344 } 9345 9346 private static boolean isExternal(PackageSetting ps) { 9347 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9348 } 9349 9350 private static boolean isSystemApp(PackageParser.Package pkg) { 9351 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9352 } 9353 9354 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9355 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9356 } 9357 9358 private static boolean isSystemApp(ApplicationInfo info) { 9359 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9360 } 9361 9362 private static boolean isSystemApp(PackageSetting ps) { 9363 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9364 } 9365 9366 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9367 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9368 } 9369 9370 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9371 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9372 } 9373 9374 private int packageFlagsToInstallFlags(PackageSetting ps) { 9375 int installFlags = 0; 9376 if (isExternal(ps)) { 9377 installFlags |= PackageManager.INSTALL_EXTERNAL; 9378 } 9379 if (isForwardLocked(ps)) { 9380 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9381 } 9382 return installFlags; 9383 } 9384 9385 private void deleteTempPackageFiles() { 9386 final FilenameFilter filter = new FilenameFilter() { 9387 public boolean accept(File dir, String name) { 9388 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9389 } 9390 }; 9391 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9392 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9393 } 9394 9395 private static final void deleteTempPackageFilesInDirectory(File directory, 9396 FilenameFilter filter) { 9397 final String[] tmpFilesList = directory.list(filter); 9398 if (tmpFilesList == null) { 9399 return; 9400 } 9401 for (int i = 0; i < tmpFilesList.length; i++) { 9402 final File tmpFile = new File(directory, tmpFilesList[i]); 9403 tmpFile.delete(); 9404 } 9405 } 9406 9407 private File createTempPackageFile(File installDir) { 9408 File tmpPackageFile; 9409 try { 9410 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9411 } catch (IOException e) { 9412 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9413 return null; 9414 } 9415 try { 9416 FileUtils.setPermissions( 9417 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9418 -1, -1); 9419 if (!SELinux.restorecon(tmpPackageFile)) { 9420 return null; 9421 } 9422 } catch (IOException e) { 9423 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9424 return null; 9425 } 9426 return tmpPackageFile; 9427 } 9428 9429 @Override 9430 public void deletePackageAsUser(final String packageName, 9431 final IPackageDeleteObserver observer, 9432 final int userId, final int flags) { 9433 mContext.enforceCallingOrSelfPermission( 9434 android.Manifest.permission.DELETE_PACKAGES, null); 9435 final int uid = Binder.getCallingUid(); 9436 if (UserHandle.getUserId(uid) != userId) { 9437 mContext.enforceCallingPermission( 9438 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9439 "deletePackage for user " + userId); 9440 } 9441 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9442 try { 9443 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9444 } catch (RemoteException re) { 9445 } 9446 return; 9447 } 9448 9449 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9450 // Queue up an async operation since the package deletion may take a little while. 9451 mHandler.post(new Runnable() { 9452 public void run() { 9453 mHandler.removeCallbacks(this); 9454 final int returnCode = deletePackageX(packageName, userId, flags); 9455 if (observer != null) { 9456 try { 9457 observer.packageDeleted(packageName, returnCode); 9458 } catch (RemoteException e) { 9459 Log.i(TAG, "Observer no longer exists."); 9460 } //end catch 9461 } //end if 9462 } //end run 9463 }); 9464 } 9465 9466 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9467 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9468 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9469 try { 9470 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9471 || dpm.isDeviceOwner(packageName))) { 9472 return true; 9473 } 9474 } catch (RemoteException e) { 9475 } 9476 return false; 9477 } 9478 9479 /** 9480 * This method is an internal method that could be get invoked either 9481 * to delete an installed package or to clean up a failed installation. 9482 * After deleting an installed package, a broadcast is sent to notify any 9483 * listeners that the package has been installed. For cleaning up a failed 9484 * installation, the broadcast is not necessary since the package's 9485 * installation wouldn't have sent the initial broadcast either 9486 * The key steps in deleting a package are 9487 * deleting the package information in internal structures like mPackages, 9488 * deleting the packages base directories through installd 9489 * updating mSettings to reflect current status 9490 * persisting settings for later use 9491 * sending a broadcast if necessary 9492 */ 9493 private int deletePackageX(String packageName, int userId, int flags) { 9494 final PackageRemovedInfo info = new PackageRemovedInfo(); 9495 final boolean res; 9496 9497 if (isPackageDeviceAdmin(packageName, userId)) { 9498 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9499 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9500 } 9501 9502 boolean removedForAllUsers = false; 9503 boolean systemUpdate = false; 9504 9505 // for the uninstall-updates case and restricted profiles, remember the per- 9506 // userhandle installed state 9507 int[] allUsers; 9508 boolean[] perUserInstalled; 9509 synchronized (mPackages) { 9510 PackageSetting ps = mSettings.mPackages.get(packageName); 9511 allUsers = sUserManager.getUserIds(); 9512 perUserInstalled = new boolean[allUsers.length]; 9513 for (int i = 0; i < allUsers.length; i++) { 9514 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9515 } 9516 } 9517 9518 synchronized (mInstallLock) { 9519 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9520 res = deletePackageLI(packageName, 9521 (flags & PackageManager.DELETE_ALL_USERS) != 0 9522 ? UserHandle.ALL : new UserHandle(userId), 9523 true, allUsers, perUserInstalled, 9524 flags | REMOVE_CHATTY, info, true); 9525 systemUpdate = info.isRemovedPackageSystemUpdate; 9526 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9527 removedForAllUsers = true; 9528 } 9529 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9530 + " removedForAllUsers=" + removedForAllUsers); 9531 } 9532 9533 if (res) { 9534 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9535 9536 // If the removed package was a system update, the old system package 9537 // was re-enabled; we need to broadcast this information 9538 if (systemUpdate) { 9539 Bundle extras = new Bundle(1); 9540 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9541 ? info.removedAppId : info.uid); 9542 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9543 9544 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9545 extras, null, null, null); 9546 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9547 extras, null, null, null); 9548 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9549 null, packageName, null, null); 9550 } 9551 } 9552 // Force a gc here. 9553 Runtime.getRuntime().gc(); 9554 // Delete the resources here after sending the broadcast to let 9555 // other processes clean up before deleting resources. 9556 if (info.args != null) { 9557 synchronized (mInstallLock) { 9558 info.args.doPostDeleteLI(true); 9559 } 9560 } 9561 9562 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9563 } 9564 9565 static class PackageRemovedInfo { 9566 String removedPackage; 9567 int uid = -1; 9568 int removedAppId = -1; 9569 int[] removedUsers = null; 9570 boolean isRemovedPackageSystemUpdate = false; 9571 // Clean up resources deleted packages. 9572 InstallArgs args = null; 9573 9574 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9575 Bundle extras = new Bundle(1); 9576 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9577 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9578 if (replacing) { 9579 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9580 } 9581 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9582 if (removedPackage != null) { 9583 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9584 extras, null, null, removedUsers); 9585 if (fullRemove && !replacing) { 9586 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9587 extras, null, null, removedUsers); 9588 } 9589 } 9590 if (removedAppId >= 0) { 9591 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9592 removedUsers); 9593 } 9594 } 9595 } 9596 9597 /* 9598 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9599 * flag is not set, the data directory is removed as well. 9600 * make sure this flag is set for partially installed apps. If not its meaningless to 9601 * delete a partially installed application. 9602 */ 9603 private void removePackageDataLI(PackageSetting ps, 9604 int[] allUserHandles, boolean[] perUserInstalled, 9605 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9606 String packageName = ps.name; 9607 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9608 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9609 // Retrieve object to delete permissions for shared user later on 9610 final PackageSetting deletedPs; 9611 // reader 9612 synchronized (mPackages) { 9613 deletedPs = mSettings.mPackages.get(packageName); 9614 if (outInfo != null) { 9615 outInfo.removedPackage = packageName; 9616 outInfo.removedUsers = deletedPs != null 9617 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9618 : null; 9619 } 9620 } 9621 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9622 removeDataDirsLI(packageName); 9623 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9624 } 9625 // writer 9626 synchronized (mPackages) { 9627 if (deletedPs != null) { 9628 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9629 if (outInfo != null) { 9630 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9631 } 9632 if (deletedPs != null) { 9633 updatePermissionsLPw(deletedPs.name, null, 0); 9634 if (deletedPs.sharedUser != null) { 9635 // remove permissions associated with package 9636 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9637 } 9638 } 9639 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9640 } 9641 // make sure to preserve per-user disabled state if this removal was just 9642 // a downgrade of a system app to the factory package 9643 if (allUserHandles != null && perUserInstalled != null) { 9644 if (DEBUG_REMOVE) { 9645 Slog.d(TAG, "Propagating install state across downgrade"); 9646 } 9647 for (int i = 0; i < allUserHandles.length; i++) { 9648 if (DEBUG_REMOVE) { 9649 Slog.d(TAG, " user " + allUserHandles[i] 9650 + " => " + perUserInstalled[i]); 9651 } 9652 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9653 } 9654 } 9655 } 9656 // can downgrade to reader 9657 if (writeSettings) { 9658 // Save settings now 9659 mSettings.writeLPr(); 9660 } 9661 } 9662 if (outInfo != null) { 9663 // A user ID was deleted here. Go through all users and remove it 9664 // from KeyStore. 9665 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9666 } 9667 } 9668 9669 static boolean locationIsPrivileged(File path) { 9670 try { 9671 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9672 .getCanonicalPath(); 9673 return path.getCanonicalPath().startsWith(privilegedAppDir); 9674 } catch (IOException e) { 9675 Slog.e(TAG, "Unable to access code path " + path); 9676 } 9677 return false; 9678 } 9679 9680 /* 9681 * Tries to delete system package. 9682 */ 9683 private boolean deleteSystemPackageLI(PackageSetting newPs, 9684 int[] allUserHandles, boolean[] perUserInstalled, 9685 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9686 final boolean applyUserRestrictions 9687 = (allUserHandles != null) && (perUserInstalled != null); 9688 PackageSetting disabledPs = null; 9689 // Confirm if the system package has been updated 9690 // An updated system app can be deleted. This will also have to restore 9691 // the system pkg from system partition 9692 // reader 9693 synchronized (mPackages) { 9694 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9695 } 9696 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9697 + " disabledPs=" + disabledPs); 9698 if (disabledPs == null) { 9699 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9700 return false; 9701 } else if (DEBUG_REMOVE) { 9702 Slog.d(TAG, "Deleting system pkg from data partition"); 9703 } 9704 if (DEBUG_REMOVE) { 9705 if (applyUserRestrictions) { 9706 Slog.d(TAG, "Remembering install states:"); 9707 for (int i = 0; i < allUserHandles.length; i++) { 9708 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9709 } 9710 } 9711 } 9712 // Delete the updated package 9713 outInfo.isRemovedPackageSystemUpdate = true; 9714 if (disabledPs.versionCode < newPs.versionCode) { 9715 // Delete data for downgrades 9716 flags &= ~PackageManager.DELETE_KEEP_DATA; 9717 } else { 9718 // Preserve data by setting flag 9719 flags |= PackageManager.DELETE_KEEP_DATA; 9720 } 9721 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9722 allUserHandles, perUserInstalled, outInfo, writeSettings); 9723 if (!ret) { 9724 return false; 9725 } 9726 // writer 9727 synchronized (mPackages) { 9728 // Reinstate the old system package 9729 mSettings.enableSystemPackageLPw(newPs.name); 9730 // Remove any native libraries from the upgraded package. 9731 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9732 } 9733 // Install the system package 9734 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9735 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9736 if (locationIsPrivileged(disabledPs.codePath)) { 9737 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9738 } 9739 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9740 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9741 9742 if (newPkg == null) { 9743 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9744 + " with error:" + mLastScanError); 9745 return false; 9746 } 9747 // writer 9748 synchronized (mPackages) { 9749 updatePermissionsLPw(newPkg.packageName, newPkg, 9750 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9751 if (applyUserRestrictions) { 9752 if (DEBUG_REMOVE) { 9753 Slog.d(TAG, "Propagating install state across reinstall"); 9754 } 9755 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9756 for (int i = 0; i < allUserHandles.length; i++) { 9757 if (DEBUG_REMOVE) { 9758 Slog.d(TAG, " user " + allUserHandles[i] 9759 + " => " + perUserInstalled[i]); 9760 } 9761 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9762 } 9763 // Regardless of writeSettings we need to ensure that this restriction 9764 // state propagation is persisted 9765 mSettings.writeAllUsersPackageRestrictionsLPr(); 9766 } 9767 // can downgrade to reader here 9768 if (writeSettings) { 9769 mSettings.writeLPr(); 9770 } 9771 } 9772 return true; 9773 } 9774 9775 private boolean deleteInstalledPackageLI(PackageSetting ps, 9776 boolean deleteCodeAndResources, int flags, 9777 int[] allUserHandles, boolean[] perUserInstalled, 9778 PackageRemovedInfo outInfo, boolean writeSettings) { 9779 if (outInfo != null) { 9780 outInfo.uid = ps.appId; 9781 } 9782 9783 // Delete package data from internal structures and also remove data if flag is set 9784 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9785 9786 // Delete application code and resources 9787 if (deleteCodeAndResources && (outInfo != null)) { 9788 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9789 ps.resourcePathString, ps.nativeLibraryPathString); 9790 } 9791 return true; 9792 } 9793 9794 /* 9795 * This method handles package deletion in general 9796 */ 9797 private boolean deletePackageLI(String packageName, UserHandle user, 9798 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9799 int flags, PackageRemovedInfo outInfo, 9800 boolean writeSettings) { 9801 if (packageName == null) { 9802 Slog.w(TAG, "Attempt to delete null packageName."); 9803 return false; 9804 } 9805 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9806 PackageSetting ps; 9807 boolean dataOnly = false; 9808 int removeUser = -1; 9809 int appId = -1; 9810 synchronized (mPackages) { 9811 ps = mSettings.mPackages.get(packageName); 9812 if (ps == null) { 9813 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9814 return false; 9815 } 9816 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9817 && user.getIdentifier() != UserHandle.USER_ALL) { 9818 // The caller is asking that the package only be deleted for a single 9819 // user. To do this, we just mark its uninstalled state and delete 9820 // its data. If this is a system app, we only allow this to happen if 9821 // they have set the special DELETE_SYSTEM_APP which requests different 9822 // semantics than normal for uninstalling system apps. 9823 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9824 ps.setUserState(user.getIdentifier(), 9825 COMPONENT_ENABLED_STATE_DEFAULT, 9826 false, //installed 9827 true, //stopped 9828 true, //notLaunched 9829 false, //blocked 9830 null, null, null); 9831 if (!isSystemApp(ps)) { 9832 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9833 // Other user still have this package installed, so all 9834 // we need to do is clear this user's data and save that 9835 // it is uninstalled. 9836 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9837 removeUser = user.getIdentifier(); 9838 appId = ps.appId; 9839 mSettings.writePackageRestrictionsLPr(removeUser); 9840 } else { 9841 // We need to set it back to 'installed' so the uninstall 9842 // broadcasts will be sent correctly. 9843 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9844 ps.setInstalled(true, user.getIdentifier()); 9845 } 9846 } else { 9847 // This is a system app, so we assume that the 9848 // other users still have this package installed, so all 9849 // we need to do is clear this user's data and save that 9850 // it is uninstalled. 9851 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9852 removeUser = user.getIdentifier(); 9853 appId = ps.appId; 9854 mSettings.writePackageRestrictionsLPr(removeUser); 9855 } 9856 } 9857 } 9858 9859 if (removeUser >= 0) { 9860 // From above, we determined that we are deleting this only 9861 // for a single user. Continue the work here. 9862 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9863 if (outInfo != null) { 9864 outInfo.removedPackage = packageName; 9865 outInfo.removedAppId = appId; 9866 outInfo.removedUsers = new int[] {removeUser}; 9867 } 9868 mInstaller.clearUserData(packageName, removeUser); 9869 removeKeystoreDataIfNeeded(removeUser, appId); 9870 schedulePackageCleaning(packageName, removeUser, false); 9871 return true; 9872 } 9873 9874 if (dataOnly) { 9875 // Delete application data first 9876 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9877 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9878 return true; 9879 } 9880 9881 boolean ret = false; 9882 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9883 if (isSystemApp(ps)) { 9884 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9885 // When an updated system application is deleted we delete the existing resources as well and 9886 // fall back to existing code in system partition 9887 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9888 flags, outInfo, writeSettings); 9889 } else { 9890 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9891 // Kill application pre-emptively especially for apps on sd. 9892 killApplication(packageName, ps.appId, "uninstall pkg"); 9893 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9894 allUserHandles, perUserInstalled, 9895 outInfo, writeSettings); 9896 } 9897 9898 return ret; 9899 } 9900 9901 private final class ClearStorageConnection implements ServiceConnection { 9902 IMediaContainerService mContainerService; 9903 9904 @Override 9905 public void onServiceConnected(ComponentName name, IBinder service) { 9906 synchronized (this) { 9907 mContainerService = IMediaContainerService.Stub.asInterface(service); 9908 notifyAll(); 9909 } 9910 } 9911 9912 @Override 9913 public void onServiceDisconnected(ComponentName name) { 9914 } 9915 } 9916 9917 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9918 final boolean mounted; 9919 if (Environment.isExternalStorageEmulated()) { 9920 mounted = true; 9921 } else { 9922 final String status = Environment.getExternalStorageState(); 9923 9924 mounted = status.equals(Environment.MEDIA_MOUNTED) 9925 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9926 } 9927 9928 if (!mounted) { 9929 return; 9930 } 9931 9932 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9933 int[] users; 9934 if (userId == UserHandle.USER_ALL) { 9935 users = sUserManager.getUserIds(); 9936 } else { 9937 users = new int[] { userId }; 9938 } 9939 final ClearStorageConnection conn = new ClearStorageConnection(); 9940 if (mContext.bindServiceAsUser( 9941 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9942 try { 9943 for (int curUser : users) { 9944 long timeout = SystemClock.uptimeMillis() + 5000; 9945 synchronized (conn) { 9946 long now = SystemClock.uptimeMillis(); 9947 while (conn.mContainerService == null && now < timeout) { 9948 try { 9949 conn.wait(timeout - now); 9950 } catch (InterruptedException e) { 9951 } 9952 } 9953 } 9954 if (conn.mContainerService == null) { 9955 return; 9956 } 9957 9958 final UserEnvironment userEnv = new UserEnvironment(curUser); 9959 clearDirectory(conn.mContainerService, 9960 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9961 if (allData) { 9962 clearDirectory(conn.mContainerService, 9963 userEnv.buildExternalStorageAppDataDirs(packageName)); 9964 clearDirectory(conn.mContainerService, 9965 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9966 } 9967 } 9968 } finally { 9969 mContext.unbindService(conn); 9970 } 9971 } 9972 } 9973 9974 @Override 9975 public void clearApplicationUserData(final String packageName, 9976 final IPackageDataObserver observer, final int userId) { 9977 mContext.enforceCallingOrSelfPermission( 9978 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9979 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9980 // Queue up an async operation since the package deletion may take a little while. 9981 mHandler.post(new Runnable() { 9982 public void run() { 9983 mHandler.removeCallbacks(this); 9984 final boolean succeeded; 9985 synchronized (mInstallLock) { 9986 succeeded = clearApplicationUserDataLI(packageName, userId); 9987 } 9988 clearExternalStorageDataSync(packageName, userId, true); 9989 if (succeeded) { 9990 // invoke DeviceStorageMonitor's update method to clear any notifications 9991 DeviceStorageMonitorInternal 9992 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9993 if (dsm != null) { 9994 dsm.checkMemory(); 9995 } 9996 } 9997 if(observer != null) { 9998 try { 9999 observer.onRemoveCompleted(packageName, succeeded); 10000 } catch (RemoteException e) { 10001 Log.i(TAG, "Observer no longer exists."); 10002 } 10003 } //end if observer 10004 } //end run 10005 }); 10006 } 10007 10008 private boolean clearApplicationUserDataLI(String packageName, int userId) { 10009 if (packageName == null) { 10010 Slog.w(TAG, "Attempt to delete null packageName."); 10011 return false; 10012 } 10013 PackageParser.Package p; 10014 boolean dataOnly = false; 10015 final int appId; 10016 synchronized (mPackages) { 10017 p = mPackages.get(packageName); 10018 if (p == null) { 10019 dataOnly = true; 10020 PackageSetting ps = mSettings.mPackages.get(packageName); 10021 if ((ps == null) || (ps.pkg == null)) { 10022 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10023 return false; 10024 } 10025 p = ps.pkg; 10026 } 10027 if (!dataOnly) { 10028 // need to check this only for fully installed applications 10029 if (p == null) { 10030 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10031 return false; 10032 } 10033 final ApplicationInfo applicationInfo = p.applicationInfo; 10034 if (applicationInfo == null) { 10035 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10036 return false; 10037 } 10038 } 10039 if (p != null && p.applicationInfo != null) { 10040 appId = p.applicationInfo.uid; 10041 } else { 10042 appId = -1; 10043 } 10044 } 10045 int retCode = mInstaller.clearUserData(packageName, userId); 10046 if (retCode < 0) { 10047 Slog.w(TAG, "Couldn't remove cache files for package: " 10048 + packageName); 10049 return false; 10050 } 10051 removeKeystoreDataIfNeeded(userId, appId); 10052 return true; 10053 } 10054 10055 /** 10056 * Remove entries from the keystore daemon. Will only remove it if the 10057 * {@code appId} is valid. 10058 */ 10059 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10060 if (appId < 0) { 10061 return; 10062 } 10063 10064 final KeyStore keyStore = KeyStore.getInstance(); 10065 if (keyStore != null) { 10066 if (userId == UserHandle.USER_ALL) { 10067 for (final int individual : sUserManager.getUserIds()) { 10068 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10069 } 10070 } else { 10071 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10072 } 10073 } else { 10074 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10075 } 10076 } 10077 10078 public void deleteApplicationCacheFiles(final String packageName, 10079 final IPackageDataObserver observer) { 10080 mContext.enforceCallingOrSelfPermission( 10081 android.Manifest.permission.DELETE_CACHE_FILES, null); 10082 // Queue up an async operation since the package deletion may take a little while. 10083 final int userId = UserHandle.getCallingUserId(); 10084 mHandler.post(new Runnable() { 10085 public void run() { 10086 mHandler.removeCallbacks(this); 10087 final boolean succeded; 10088 synchronized (mInstallLock) { 10089 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10090 } 10091 clearExternalStorageDataSync(packageName, userId, false); 10092 if(observer != null) { 10093 try { 10094 observer.onRemoveCompleted(packageName, succeded); 10095 } catch (RemoteException e) { 10096 Log.i(TAG, "Observer no longer exists."); 10097 } 10098 } //end if observer 10099 } //end run 10100 }); 10101 } 10102 10103 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10104 if (packageName == null) { 10105 Slog.w(TAG, "Attempt to delete null packageName."); 10106 return false; 10107 } 10108 PackageParser.Package p; 10109 synchronized (mPackages) { 10110 p = mPackages.get(packageName); 10111 } 10112 if (p == null) { 10113 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10114 return false; 10115 } 10116 final ApplicationInfo applicationInfo = p.applicationInfo; 10117 if (applicationInfo == null) { 10118 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10119 return false; 10120 } 10121 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10122 if (retCode < 0) { 10123 Slog.w(TAG, "Couldn't remove cache files for package: " 10124 + packageName + " u" + userId); 10125 return false; 10126 } 10127 return true; 10128 } 10129 10130 public void getPackageSizeInfo(final String packageName, int userHandle, 10131 final IPackageStatsObserver observer) { 10132 mContext.enforceCallingOrSelfPermission( 10133 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10134 10135 PackageStats stats = new PackageStats(packageName, userHandle); 10136 10137 /* 10138 * Queue up an async operation since the package measurement may take a 10139 * little while. 10140 */ 10141 Message msg = mHandler.obtainMessage(INIT_COPY); 10142 msg.obj = new MeasureParams(stats, observer); 10143 mHandler.sendMessage(msg); 10144 } 10145 10146 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10147 PackageStats pStats) { 10148 if (packageName == null) { 10149 Slog.w(TAG, "Attempt to get size of null packageName."); 10150 return false; 10151 } 10152 PackageParser.Package p; 10153 boolean dataOnly = false; 10154 String libDirPath = null; 10155 String asecPath = null; 10156 synchronized (mPackages) { 10157 p = mPackages.get(packageName); 10158 PackageSetting ps = mSettings.mPackages.get(packageName); 10159 if(p == null) { 10160 dataOnly = true; 10161 if((ps == null) || (ps.pkg == null)) { 10162 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10163 return false; 10164 } 10165 p = ps.pkg; 10166 } 10167 if (ps != null) { 10168 libDirPath = ps.nativeLibraryPathString; 10169 } 10170 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10171 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10172 if (secureContainerId != null) { 10173 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10174 } 10175 } 10176 } 10177 String publicSrcDir = null; 10178 if(!dataOnly) { 10179 final ApplicationInfo applicationInfo = p.applicationInfo; 10180 if (applicationInfo == null) { 10181 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10182 return false; 10183 } 10184 if (isForwardLocked(p)) { 10185 publicSrcDir = applicationInfo.publicSourceDir; 10186 } 10187 } 10188 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10189 publicSrcDir, asecPath, pStats); 10190 if (res < 0) { 10191 return false; 10192 } 10193 10194 // Fix-up for forward-locked applications in ASEC containers. 10195 if (!isExternal(p)) { 10196 pStats.codeSize += pStats.externalCodeSize; 10197 pStats.externalCodeSize = 0L; 10198 } 10199 10200 return true; 10201 } 10202 10203 10204 public void addPackageToPreferred(String packageName) { 10205 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10206 } 10207 10208 public void removePackageFromPreferred(String packageName) { 10209 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10210 } 10211 10212 public List<PackageInfo> getPreferredPackages(int flags) { 10213 return new ArrayList<PackageInfo>(); 10214 } 10215 10216 private int getUidTargetSdkVersionLockedLPr(int uid) { 10217 Object obj = mSettings.getUserIdLPr(uid); 10218 if (obj instanceof SharedUserSetting) { 10219 final SharedUserSetting sus = (SharedUserSetting) obj; 10220 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10221 final Iterator<PackageSetting> it = sus.packages.iterator(); 10222 while (it.hasNext()) { 10223 final PackageSetting ps = it.next(); 10224 if (ps.pkg != null) { 10225 int v = ps.pkg.applicationInfo.targetSdkVersion; 10226 if (v < vers) vers = v; 10227 } 10228 } 10229 return vers; 10230 } else if (obj instanceof PackageSetting) { 10231 final PackageSetting ps = (PackageSetting) obj; 10232 if (ps.pkg != null) { 10233 return ps.pkg.applicationInfo.targetSdkVersion; 10234 } 10235 } 10236 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10237 } 10238 10239 public void addPreferredActivity(IntentFilter filter, int match, 10240 ComponentName[] set, ComponentName activity, int userId) { 10241 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10242 } 10243 10244 private void addPreferredActivityInternal(IntentFilter filter, int match, 10245 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10246 // writer 10247 int callingUid = Binder.getCallingUid(); 10248 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10249 if (filter.countActions() == 0) { 10250 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10251 return; 10252 } 10253 synchronized (mPackages) { 10254 if (mContext.checkCallingOrSelfPermission( 10255 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10256 != PackageManager.PERMISSION_GRANTED) { 10257 if (getUidTargetSdkVersionLockedLPr(callingUid) 10258 < Build.VERSION_CODES.FROYO) { 10259 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10260 + callingUid); 10261 return; 10262 } 10263 mContext.enforceCallingOrSelfPermission( 10264 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10265 } 10266 10267 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10268 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10269 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10270 new PreferredActivity(filter, match, set, activity, always)); 10271 mSettings.writePackageRestrictionsLPr(userId); 10272 } 10273 } 10274 10275 public void replacePreferredActivity(IntentFilter filter, int match, 10276 ComponentName[] set, ComponentName activity) { 10277 if (filter.countActions() != 1) { 10278 throw new IllegalArgumentException( 10279 "replacePreferredActivity expects filter to have only 1 action."); 10280 } 10281 if (filter.countDataAuthorities() != 0 10282 || filter.countDataPaths() != 0 10283 || filter.countDataSchemes() > 1 10284 || filter.countDataTypes() != 0) { 10285 throw new IllegalArgumentException( 10286 "replacePreferredActivity expects filter to have no data authorities, " + 10287 "paths, or types; and at most one scheme."); 10288 } 10289 synchronized (mPackages) { 10290 if (mContext.checkCallingOrSelfPermission( 10291 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10292 != PackageManager.PERMISSION_GRANTED) { 10293 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10294 < Build.VERSION_CODES.FROYO) { 10295 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10296 + Binder.getCallingUid()); 10297 return; 10298 } 10299 mContext.enforceCallingOrSelfPermission( 10300 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10301 } 10302 10303 final int callingUserId = UserHandle.getCallingUserId(); 10304 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10305 if (pir != null) { 10306 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10307 if (filter.countDataSchemes() == 1) { 10308 Uri.Builder builder = new Uri.Builder(); 10309 builder.scheme(filter.getDataScheme(0)); 10310 intent.setData(builder.build()); 10311 } 10312 List<PreferredActivity> matches = pir.queryIntent( 10313 intent, null, true, callingUserId); 10314 if (DEBUG_PREFERRED) { 10315 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10316 } 10317 for (int i = 0; i < matches.size(); i++) { 10318 PreferredActivity pa = matches.get(i); 10319 if (DEBUG_PREFERRED) { 10320 Slog.i(TAG, "Removing preferred activity " 10321 + pa.mPref.mComponent + ":"); 10322 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10323 } 10324 pir.removeFilter(pa); 10325 } 10326 } 10327 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10328 } 10329 } 10330 10331 public void clearPackagePreferredActivities(String packageName) { 10332 final int uid = Binder.getCallingUid(); 10333 // writer 10334 synchronized (mPackages) { 10335 PackageParser.Package pkg = mPackages.get(packageName); 10336 if (pkg == null || pkg.applicationInfo.uid != uid) { 10337 if (mContext.checkCallingOrSelfPermission( 10338 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10339 != PackageManager.PERMISSION_GRANTED) { 10340 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10341 < Build.VERSION_CODES.FROYO) { 10342 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10343 + Binder.getCallingUid()); 10344 return; 10345 } 10346 mContext.enforceCallingOrSelfPermission( 10347 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10348 } 10349 } 10350 10351 int user = UserHandle.getCallingUserId(); 10352 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10353 mSettings.writePackageRestrictionsLPr(user); 10354 scheduleWriteSettingsLocked(); 10355 } 10356 } 10357 } 10358 10359 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10360 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10361 ArrayList<PreferredActivity> removed = null; 10362 boolean changed = false; 10363 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10364 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10365 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10366 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10367 continue; 10368 } 10369 Iterator<PreferredActivity> it = pir.filterIterator(); 10370 while (it.hasNext()) { 10371 PreferredActivity pa = it.next(); 10372 // Mark entry for removal only if it matches the package name 10373 // and the entry is of type "always". 10374 if (packageName == null || 10375 (pa.mPref.mComponent.getPackageName().equals(packageName) 10376 && pa.mPref.mAlways)) { 10377 if (removed == null) { 10378 removed = new ArrayList<PreferredActivity>(); 10379 } 10380 removed.add(pa); 10381 } 10382 } 10383 if (removed != null) { 10384 for (int j=0; j<removed.size(); j++) { 10385 PreferredActivity pa = removed.get(j); 10386 pir.removeFilter(pa); 10387 } 10388 changed = true; 10389 } 10390 } 10391 return changed; 10392 } 10393 10394 public void resetPreferredActivities(int userId) { 10395 mContext.enforceCallingOrSelfPermission( 10396 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10397 // writer 10398 synchronized (mPackages) { 10399 int user = UserHandle.getCallingUserId(); 10400 clearPackagePreferredActivitiesLPw(null, user); 10401 mSettings.readDefaultPreferredAppsLPw(this, user); 10402 mSettings.writePackageRestrictionsLPr(user); 10403 scheduleWriteSettingsLocked(); 10404 } 10405 } 10406 10407 public int getPreferredActivities(List<IntentFilter> outFilters, 10408 List<ComponentName> outActivities, String packageName) { 10409 10410 int num = 0; 10411 final int userId = UserHandle.getCallingUserId(); 10412 // reader 10413 synchronized (mPackages) { 10414 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10415 if (pir != null) { 10416 final Iterator<PreferredActivity> it = pir.filterIterator(); 10417 while (it.hasNext()) { 10418 final PreferredActivity pa = it.next(); 10419 if (packageName == null 10420 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10421 && pa.mPref.mAlways)) { 10422 if (outFilters != null) { 10423 outFilters.add(new IntentFilter(pa)); 10424 } 10425 if (outActivities != null) { 10426 outActivities.add(pa.mPref.mComponent); 10427 } 10428 } 10429 } 10430 } 10431 } 10432 10433 return num; 10434 } 10435 10436 @Override 10437 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10438 int userId) { 10439 int callingUid = Binder.getCallingUid(); 10440 if (callingUid != Process.SYSTEM_UID) { 10441 throw new SecurityException( 10442 "addPersistentPreferredActivity can only be run by the system"); 10443 } 10444 if (filter.countActions() == 0) { 10445 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10446 return; 10447 } 10448 synchronized (mPackages) { 10449 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10450 " :"); 10451 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10452 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10453 new PersistentPreferredActivity(filter, activity)); 10454 mSettings.writePackageRestrictionsLPr(userId); 10455 } 10456 } 10457 10458 @Override 10459 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10460 int callingUid = Binder.getCallingUid(); 10461 if (callingUid != Process.SYSTEM_UID) { 10462 throw new SecurityException( 10463 "clearPackagePersistentPreferredActivities can only be run by the system"); 10464 } 10465 ArrayList<PersistentPreferredActivity> removed = null; 10466 boolean changed = false; 10467 synchronized (mPackages) { 10468 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10469 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10470 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10471 .valueAt(i); 10472 if (userId != thisUserId) { 10473 continue; 10474 } 10475 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10476 while (it.hasNext()) { 10477 PersistentPreferredActivity ppa = it.next(); 10478 // Mark entry for removal only if it matches the package name. 10479 if (ppa.mComponent.getPackageName().equals(packageName)) { 10480 if (removed == null) { 10481 removed = new ArrayList<PersistentPreferredActivity>(); 10482 } 10483 removed.add(ppa); 10484 } 10485 } 10486 if (removed != null) { 10487 for (int j=0; j<removed.size(); j++) { 10488 PersistentPreferredActivity ppa = removed.get(j); 10489 ppir.removeFilter(ppa); 10490 } 10491 changed = true; 10492 } 10493 } 10494 10495 if (changed) { 10496 mSettings.writePackageRestrictionsLPr(userId); 10497 } 10498 } 10499 } 10500 10501 @Override 10502 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10503 Intent intent = new Intent(Intent.ACTION_MAIN); 10504 intent.addCategory(Intent.CATEGORY_HOME); 10505 10506 final int callingUserId = UserHandle.getCallingUserId(); 10507 List<ResolveInfo> list = queryIntentActivities(intent, null, 10508 PackageManager.GET_META_DATA, callingUserId); 10509 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10510 true, false, false, callingUserId); 10511 10512 allHomeCandidates.clear(); 10513 if (list != null) { 10514 for (ResolveInfo ri : list) { 10515 allHomeCandidates.add(ri); 10516 } 10517 } 10518 return (preferred == null || preferred.activityInfo == null) 10519 ? null 10520 : new ComponentName(preferred.activityInfo.packageName, 10521 preferred.activityInfo.name); 10522 } 10523 10524 @Override 10525 public void setApplicationEnabledSetting(String appPackageName, 10526 int newState, int flags, int userId, String callingPackage) { 10527 if (!sUserManager.exists(userId)) return; 10528 if (callingPackage == null) { 10529 callingPackage = Integer.toString(Binder.getCallingUid()); 10530 } 10531 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10532 } 10533 10534 @Override 10535 public void setComponentEnabledSetting(ComponentName componentName, 10536 int newState, int flags, int userId) { 10537 if (!sUserManager.exists(userId)) return; 10538 setEnabledSetting(componentName.getPackageName(), 10539 componentName.getClassName(), newState, flags, userId, null); 10540 } 10541 10542 private void setEnabledSetting(final String packageName, String className, int newState, 10543 final int flags, int userId, String callingPackage) { 10544 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10545 || newState == COMPONENT_ENABLED_STATE_ENABLED 10546 || newState == COMPONENT_ENABLED_STATE_DISABLED 10547 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10548 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10549 throw new IllegalArgumentException("Invalid new component state: " 10550 + newState); 10551 } 10552 PackageSetting pkgSetting; 10553 final int uid = Binder.getCallingUid(); 10554 final int permission = mContext.checkCallingOrSelfPermission( 10555 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10556 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10557 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10558 boolean sendNow = false; 10559 boolean isApp = (className == null); 10560 String componentName = isApp ? packageName : className; 10561 int packageUid = -1; 10562 ArrayList<String> components; 10563 10564 // writer 10565 synchronized (mPackages) { 10566 pkgSetting = mSettings.mPackages.get(packageName); 10567 if (pkgSetting == null) { 10568 if (className == null) { 10569 throw new IllegalArgumentException( 10570 "Unknown package: " + packageName); 10571 } 10572 throw new IllegalArgumentException( 10573 "Unknown component: " + packageName 10574 + "/" + className); 10575 } 10576 // Allow root and verify that userId is not being specified by a different user 10577 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10578 throw new SecurityException( 10579 "Permission Denial: attempt to change component state from pid=" 10580 + Binder.getCallingPid() 10581 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10582 } 10583 if (className == null) { 10584 // We're dealing with an application/package level state change 10585 if (pkgSetting.getEnabled(userId) == newState) { 10586 // Nothing to do 10587 return; 10588 } 10589 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10590 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10591 // Don't care about who enables an app. 10592 callingPackage = null; 10593 } 10594 pkgSetting.setEnabled(newState, userId, callingPackage); 10595 // pkgSetting.pkg.mSetEnabled = newState; 10596 } else { 10597 // We're dealing with a component level state change 10598 // First, verify that this is a valid class name. 10599 PackageParser.Package pkg = pkgSetting.pkg; 10600 if (pkg == null || !pkg.hasComponentClassName(className)) { 10601 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10602 throw new IllegalArgumentException("Component class " + className 10603 + " does not exist in " + packageName); 10604 } else { 10605 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10606 + className + " does not exist in " + packageName); 10607 } 10608 } 10609 switch (newState) { 10610 case COMPONENT_ENABLED_STATE_ENABLED: 10611 if (!pkgSetting.enableComponentLPw(className, userId)) { 10612 return; 10613 } 10614 break; 10615 case COMPONENT_ENABLED_STATE_DISABLED: 10616 if (!pkgSetting.disableComponentLPw(className, userId)) { 10617 return; 10618 } 10619 break; 10620 case COMPONENT_ENABLED_STATE_DEFAULT: 10621 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10622 return; 10623 } 10624 break; 10625 default: 10626 Slog.e(TAG, "Invalid new component state: " + newState); 10627 return; 10628 } 10629 } 10630 mSettings.writePackageRestrictionsLPr(userId); 10631 components = mPendingBroadcasts.get(userId, packageName); 10632 final boolean newPackage = components == null; 10633 if (newPackage) { 10634 components = new ArrayList<String>(); 10635 } 10636 if (!components.contains(componentName)) { 10637 components.add(componentName); 10638 } 10639 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10640 sendNow = true; 10641 // Purge entry from pending broadcast list if another one exists already 10642 // since we are sending one right away. 10643 mPendingBroadcasts.remove(userId, packageName); 10644 } else { 10645 if (newPackage) { 10646 mPendingBroadcasts.put(userId, packageName, components); 10647 } 10648 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10649 // Schedule a message 10650 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10651 } 10652 } 10653 } 10654 10655 long callingId = Binder.clearCallingIdentity(); 10656 try { 10657 if (sendNow) { 10658 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10659 sendPackageChangedBroadcast(packageName, 10660 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10661 } 10662 } finally { 10663 Binder.restoreCallingIdentity(callingId); 10664 } 10665 } 10666 10667 private void sendPackageChangedBroadcast(String packageName, 10668 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10669 if (DEBUG_INSTALL) 10670 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10671 + componentNames); 10672 Bundle extras = new Bundle(4); 10673 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10674 String nameList[] = new String[componentNames.size()]; 10675 componentNames.toArray(nameList); 10676 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10677 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10678 extras.putInt(Intent.EXTRA_UID, packageUid); 10679 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10680 new int[] {UserHandle.getUserId(packageUid)}); 10681 } 10682 10683 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10684 if (!sUserManager.exists(userId)) return; 10685 final int uid = Binder.getCallingUid(); 10686 final int permission = mContext.checkCallingOrSelfPermission( 10687 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10688 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10689 enforceCrossUserPermission(uid, userId, true, "stop package"); 10690 // writer 10691 synchronized (mPackages) { 10692 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10693 uid, userId)) { 10694 scheduleWritePackageRestrictionsLocked(userId); 10695 } 10696 } 10697 } 10698 10699 public String getInstallerPackageName(String packageName) { 10700 // reader 10701 synchronized (mPackages) { 10702 return mSettings.getInstallerPackageNameLPr(packageName); 10703 } 10704 } 10705 10706 @Override 10707 public int getApplicationEnabledSetting(String packageName, int userId) { 10708 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10709 int uid = Binder.getCallingUid(); 10710 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10711 // reader 10712 synchronized (mPackages) { 10713 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10714 } 10715 } 10716 10717 @Override 10718 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10719 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10720 int uid = Binder.getCallingUid(); 10721 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10722 // reader 10723 synchronized (mPackages) { 10724 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10725 } 10726 } 10727 10728 public void enterSafeMode() { 10729 enforceSystemOrRoot("Only the system can request entering safe mode"); 10730 10731 if (!mSystemReady) { 10732 mSafeMode = true; 10733 } 10734 } 10735 10736 public void systemReady() { 10737 mSystemReady = true; 10738 10739 // Read the compatibilty setting when the system is ready. 10740 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10741 mContext.getContentResolver(), 10742 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10743 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10744 if (DEBUG_SETTINGS) { 10745 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10746 } 10747 10748 synchronized (mPackages) { 10749 // Verify that all of the preferred activity components actually 10750 // exist. It is possible for applications to be updated and at 10751 // that point remove a previously declared activity component that 10752 // had been set as a preferred activity. We try to clean this up 10753 // the next time we encounter that preferred activity, but it is 10754 // possible for the user flow to never be able to return to that 10755 // situation so here we do a sanity check to make sure we haven't 10756 // left any junk around. 10757 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10758 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10759 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10760 removed.clear(); 10761 for (PreferredActivity pa : pir.filterSet()) { 10762 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10763 removed.add(pa); 10764 } 10765 } 10766 if (removed.size() > 0) { 10767 for (int j=0; j<removed.size(); j++) { 10768 PreferredActivity pa = removed.get(i); 10769 Slog.w(TAG, "Removing dangling preferred activity: " 10770 + pa.mPref.mComponent); 10771 pir.removeFilter(pa); 10772 } 10773 mSettings.writePackageRestrictionsLPr( 10774 mSettings.mPreferredActivities.keyAt(i)); 10775 } 10776 } 10777 } 10778 sUserManager.systemReady(); 10779 } 10780 10781 public boolean isSafeMode() { 10782 return mSafeMode; 10783 } 10784 10785 public boolean hasSystemUidErrors() { 10786 return mHasSystemUidErrors; 10787 } 10788 10789 static String arrayToString(int[] array) { 10790 StringBuffer buf = new StringBuffer(128); 10791 buf.append('['); 10792 if (array != null) { 10793 for (int i=0; i<array.length; i++) { 10794 if (i > 0) buf.append(", "); 10795 buf.append(array[i]); 10796 } 10797 } 10798 buf.append(']'); 10799 return buf.toString(); 10800 } 10801 10802 static class DumpState { 10803 public static final int DUMP_LIBS = 1 << 0; 10804 10805 public static final int DUMP_FEATURES = 1 << 1; 10806 10807 public static final int DUMP_RESOLVERS = 1 << 2; 10808 10809 public static final int DUMP_PERMISSIONS = 1 << 3; 10810 10811 public static final int DUMP_PACKAGES = 1 << 4; 10812 10813 public static final int DUMP_SHARED_USERS = 1 << 5; 10814 10815 public static final int DUMP_MESSAGES = 1 << 6; 10816 10817 public static final int DUMP_PROVIDERS = 1 << 7; 10818 10819 public static final int DUMP_VERIFIERS = 1 << 8; 10820 10821 public static final int DUMP_PREFERRED = 1 << 9; 10822 10823 public static final int DUMP_PREFERRED_XML = 1 << 10; 10824 10825 public static final int DUMP_KEYSETS = 1 << 11; 10826 10827 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10828 10829 private int mTypes; 10830 10831 private int mOptions; 10832 10833 private boolean mTitlePrinted; 10834 10835 private SharedUserSetting mSharedUser; 10836 10837 public boolean isDumping(int type) { 10838 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10839 return true; 10840 } 10841 10842 return (mTypes & type) != 0; 10843 } 10844 10845 public void setDump(int type) { 10846 mTypes |= type; 10847 } 10848 10849 public boolean isOptionEnabled(int option) { 10850 return (mOptions & option) != 0; 10851 } 10852 10853 public void setOptionEnabled(int option) { 10854 mOptions |= option; 10855 } 10856 10857 public boolean onTitlePrinted() { 10858 final boolean printed = mTitlePrinted; 10859 mTitlePrinted = true; 10860 return printed; 10861 } 10862 10863 public boolean getTitlePrinted() { 10864 return mTitlePrinted; 10865 } 10866 10867 public void setTitlePrinted(boolean enabled) { 10868 mTitlePrinted = enabled; 10869 } 10870 10871 public SharedUserSetting getSharedUser() { 10872 return mSharedUser; 10873 } 10874 10875 public void setSharedUser(SharedUserSetting user) { 10876 mSharedUser = user; 10877 } 10878 } 10879 10880 @Override 10881 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10882 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10883 != PackageManager.PERMISSION_GRANTED) { 10884 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10885 + Binder.getCallingPid() 10886 + ", uid=" + Binder.getCallingUid() 10887 + " without permission " 10888 + android.Manifest.permission.DUMP); 10889 return; 10890 } 10891 10892 DumpState dumpState = new DumpState(); 10893 boolean fullPreferred = false; 10894 boolean checkin = false; 10895 10896 String packageName = null; 10897 10898 int opti = 0; 10899 while (opti < args.length) { 10900 String opt = args[opti]; 10901 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10902 break; 10903 } 10904 opti++; 10905 if ("-a".equals(opt)) { 10906 // Right now we only know how to print all. 10907 } else if ("-h".equals(opt)) { 10908 pw.println("Package manager dump options:"); 10909 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10910 pw.println(" --checkin: dump for a checkin"); 10911 pw.println(" -f: print details of intent filters"); 10912 pw.println(" -h: print this help"); 10913 pw.println(" cmd may be one of:"); 10914 pw.println(" l[ibraries]: list known shared libraries"); 10915 pw.println(" f[ibraries]: list device features"); 10916 pw.println(" r[esolvers]: dump intent resolvers"); 10917 pw.println(" perm[issions]: dump permissions"); 10918 pw.println(" pref[erred]: print preferred package settings"); 10919 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10920 pw.println(" prov[iders]: dump content providers"); 10921 pw.println(" p[ackages]: dump installed packages"); 10922 pw.println(" s[hared-users]: dump shared user IDs"); 10923 pw.println(" m[essages]: print collected runtime messages"); 10924 pw.println(" v[erifiers]: print package verifier info"); 10925 pw.println(" <package.name>: info about given package"); 10926 pw.println(" k[eysets]: print known keysets"); 10927 return; 10928 } else if ("--checkin".equals(opt)) { 10929 checkin = true; 10930 } else if ("-f".equals(opt)) { 10931 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10932 } else { 10933 pw.println("Unknown argument: " + opt + "; use -h for help"); 10934 } 10935 } 10936 10937 // Is the caller requesting to dump a particular piece of data? 10938 if (opti < args.length) { 10939 String cmd = args[opti]; 10940 opti++; 10941 // Is this a package name? 10942 if ("android".equals(cmd) || cmd.contains(".")) { 10943 packageName = cmd; 10944 // When dumping a single package, we always dump all of its 10945 // filter information since the amount of data will be reasonable. 10946 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10947 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10948 dumpState.setDump(DumpState.DUMP_LIBS); 10949 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10950 dumpState.setDump(DumpState.DUMP_FEATURES); 10951 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10952 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10953 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10954 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10955 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10956 dumpState.setDump(DumpState.DUMP_PREFERRED); 10957 } else if ("preferred-xml".equals(cmd)) { 10958 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10959 if (opti < args.length && "--full".equals(args[opti])) { 10960 fullPreferred = true; 10961 opti++; 10962 } 10963 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10964 dumpState.setDump(DumpState.DUMP_PACKAGES); 10965 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10966 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10967 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10968 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10969 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10970 dumpState.setDump(DumpState.DUMP_MESSAGES); 10971 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10972 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10973 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10974 dumpState.setDump(DumpState.DUMP_KEYSETS); 10975 } 10976 } 10977 10978 if (checkin) { 10979 pw.println("vers,1"); 10980 } 10981 10982 // reader 10983 synchronized (mPackages) { 10984 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10985 if (!checkin) { 10986 if (dumpState.onTitlePrinted()) 10987 pw.println(); 10988 pw.println("Verifiers:"); 10989 pw.print(" Required: "); 10990 pw.print(mRequiredVerifierPackage); 10991 pw.print(" (uid="); 10992 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10993 pw.println(")"); 10994 } else if (mRequiredVerifierPackage != null) { 10995 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10996 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10997 } 10998 } 10999 11000 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 11001 boolean printedHeader = false; 11002 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 11003 while (it.hasNext()) { 11004 String name = it.next(); 11005 SharedLibraryEntry ent = mSharedLibraries.get(name); 11006 if (!checkin) { 11007 if (!printedHeader) { 11008 if (dumpState.onTitlePrinted()) 11009 pw.println(); 11010 pw.println("Libraries:"); 11011 printedHeader = true; 11012 } 11013 pw.print(" "); 11014 } else { 11015 pw.print("lib,"); 11016 } 11017 pw.print(name); 11018 if (!checkin) { 11019 pw.print(" -> "); 11020 } 11021 if (ent.path != null) { 11022 if (!checkin) { 11023 pw.print("(jar) "); 11024 pw.print(ent.path); 11025 } else { 11026 pw.print(",jar,"); 11027 pw.print(ent.path); 11028 } 11029 } else { 11030 if (!checkin) { 11031 pw.print("(apk) "); 11032 pw.print(ent.apk); 11033 } else { 11034 pw.print(",apk,"); 11035 pw.print(ent.apk); 11036 } 11037 } 11038 pw.println(); 11039 } 11040 } 11041 11042 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11043 if (dumpState.onTitlePrinted()) 11044 pw.println(); 11045 if (!checkin) { 11046 pw.println("Features:"); 11047 } 11048 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11049 while (it.hasNext()) { 11050 String name = it.next(); 11051 if (!checkin) { 11052 pw.print(" "); 11053 } else { 11054 pw.print("feat,"); 11055 } 11056 pw.println(name); 11057 } 11058 } 11059 11060 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11061 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11062 : "Activity Resolver Table:", " ", packageName, 11063 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11064 dumpState.setTitlePrinted(true); 11065 } 11066 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11067 : "Receiver Resolver Table:", " ", packageName, 11068 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11069 dumpState.setTitlePrinted(true); 11070 } 11071 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11072 : "Service Resolver Table:", " ", packageName, 11073 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11074 dumpState.setTitlePrinted(true); 11075 } 11076 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11077 : "Provider Resolver Table:", " ", packageName, 11078 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11079 dumpState.setTitlePrinted(true); 11080 } 11081 } 11082 11083 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11084 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11085 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11086 int user = mSettings.mPreferredActivities.keyAt(i); 11087 if (pir.dump(pw, 11088 dumpState.getTitlePrinted() 11089 ? "\nPreferred Activities User " + user + ":" 11090 : "Preferred Activities User " + user + ":", " ", 11091 packageName, true)) { 11092 dumpState.setTitlePrinted(true); 11093 } 11094 } 11095 } 11096 11097 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11098 pw.flush(); 11099 FileOutputStream fout = new FileOutputStream(fd); 11100 BufferedOutputStream str = new BufferedOutputStream(fout); 11101 XmlSerializer serializer = new FastXmlSerializer(); 11102 try { 11103 serializer.setOutput(str, "utf-8"); 11104 serializer.startDocument(null, true); 11105 serializer.setFeature( 11106 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11107 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11108 serializer.endDocument(); 11109 serializer.flush(); 11110 } catch (IllegalArgumentException e) { 11111 pw.println("Failed writing: " + e); 11112 } catch (IllegalStateException e) { 11113 pw.println("Failed writing: " + e); 11114 } catch (IOException e) { 11115 pw.println("Failed writing: " + e); 11116 } 11117 } 11118 11119 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11120 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11121 } 11122 11123 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11124 boolean printedSomething = false; 11125 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11126 if (packageName != null && !packageName.equals(p.info.packageName)) { 11127 continue; 11128 } 11129 if (!printedSomething) { 11130 if (dumpState.onTitlePrinted()) 11131 pw.println(); 11132 pw.println("Registered ContentProviders:"); 11133 printedSomething = true; 11134 } 11135 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11136 pw.print(" "); pw.println(p.toString()); 11137 } 11138 printedSomething = false; 11139 for (Map.Entry<String, PackageParser.Provider> entry : 11140 mProvidersByAuthority.entrySet()) { 11141 PackageParser.Provider p = entry.getValue(); 11142 if (packageName != null && !packageName.equals(p.info.packageName)) { 11143 continue; 11144 } 11145 if (!printedSomething) { 11146 if (dumpState.onTitlePrinted()) 11147 pw.println(); 11148 pw.println("ContentProvider Authorities:"); 11149 printedSomething = true; 11150 } 11151 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11152 pw.print(" "); pw.println(p.toString()); 11153 if (p.info != null && p.info.applicationInfo != null) { 11154 final String appInfo = p.info.applicationInfo.toString(); 11155 pw.print(" applicationInfo="); pw.println(appInfo); 11156 } 11157 } 11158 } 11159 11160 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11161 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11162 } 11163 11164 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11165 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11166 } 11167 11168 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11169 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11170 } 11171 11172 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11173 if (dumpState.onTitlePrinted()) 11174 pw.println(); 11175 mSettings.dumpReadMessagesLPr(pw, dumpState); 11176 11177 pw.println(); 11178 pw.println("Package warning messages:"); 11179 final File fname = getSettingsProblemFile(); 11180 FileInputStream in = null; 11181 try { 11182 in = new FileInputStream(fname); 11183 final int avail = in.available(); 11184 final byte[] data = new byte[avail]; 11185 in.read(data); 11186 pw.print(new String(data)); 11187 } catch (FileNotFoundException e) { 11188 } catch (IOException e) { 11189 } finally { 11190 if (in != null) { 11191 try { 11192 in.close(); 11193 } catch (IOException e) { 11194 } 11195 } 11196 } 11197 } 11198 } 11199 } 11200 11201 // ------- apps on sdcard specific code ------- 11202 static final boolean DEBUG_SD_INSTALL = false; 11203 11204 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11205 11206 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11207 11208 private boolean mMediaMounted = false; 11209 11210 private String getEncryptKey() { 11211 try { 11212 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11213 SD_ENCRYPTION_KEYSTORE_NAME); 11214 if (sdEncKey == null) { 11215 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11216 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11217 if (sdEncKey == null) { 11218 Slog.e(TAG, "Failed to create encryption keys"); 11219 return null; 11220 } 11221 } 11222 return sdEncKey; 11223 } catch (NoSuchAlgorithmException nsae) { 11224 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11225 return null; 11226 } catch (IOException ioe) { 11227 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11228 return null; 11229 } 11230 11231 } 11232 11233 /* package */static String getTempContainerId() { 11234 int tmpIdx = 1; 11235 String list[] = PackageHelper.getSecureContainerList(); 11236 if (list != null) { 11237 for (final String name : list) { 11238 // Ignore null and non-temporary container entries 11239 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11240 continue; 11241 } 11242 11243 String subStr = name.substring(mTempContainerPrefix.length()); 11244 try { 11245 int cid = Integer.parseInt(subStr); 11246 if (cid >= tmpIdx) { 11247 tmpIdx = cid + 1; 11248 } 11249 } catch (NumberFormatException e) { 11250 } 11251 } 11252 } 11253 return mTempContainerPrefix + tmpIdx; 11254 } 11255 11256 /* 11257 * Update media status on PackageManager. 11258 */ 11259 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11260 int callingUid = Binder.getCallingUid(); 11261 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11262 throw new SecurityException("Media status can only be updated by the system"); 11263 } 11264 // reader; this apparently protects mMediaMounted, but should probably 11265 // be a different lock in that case. 11266 synchronized (mPackages) { 11267 Log.i(TAG, "Updating external media status from " 11268 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11269 + (mediaStatus ? "mounted" : "unmounted")); 11270 if (DEBUG_SD_INSTALL) 11271 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11272 + ", mMediaMounted=" + mMediaMounted); 11273 if (mediaStatus == mMediaMounted) { 11274 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11275 : 0, -1); 11276 mHandler.sendMessage(msg); 11277 return; 11278 } 11279 mMediaMounted = mediaStatus; 11280 } 11281 // Queue up an async operation since the package installation may take a 11282 // little while. 11283 mHandler.post(new Runnable() { 11284 public void run() { 11285 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11286 } 11287 }); 11288 } 11289 11290 /** 11291 * Called by MountService when the initial ASECs to scan are available. 11292 * Should block until all the ASEC containers are finished being scanned. 11293 */ 11294 public void scanAvailableAsecs() { 11295 updateExternalMediaStatusInner(true, false, false); 11296 } 11297 11298 /* 11299 * Collect information of applications on external media, map them against 11300 * existing containers and update information based on current mount status. 11301 * Please note that we always have to report status if reportStatus has been 11302 * set to true especially when unloading packages. 11303 */ 11304 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11305 boolean externalStorage) { 11306 // Collection of uids 11307 int uidArr[] = null; 11308 // Collection of stale containers 11309 HashSet<String> removeCids = new HashSet<String>(); 11310 // Collection of packages on external media with valid containers. 11311 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11312 // Get list of secure containers. 11313 final String list[] = PackageHelper.getSecureContainerList(); 11314 if (list == null || list.length == 0) { 11315 Log.i(TAG, "No secure containers on sdcard"); 11316 } else { 11317 // Process list of secure containers and categorize them 11318 // as active or stale based on their package internal state. 11319 int uidList[] = new int[list.length]; 11320 int num = 0; 11321 // reader 11322 synchronized (mPackages) { 11323 for (String cid : list) { 11324 if (DEBUG_SD_INSTALL) 11325 Log.i(TAG, "Processing container " + cid); 11326 String pkgName = getAsecPackageName(cid); 11327 if (pkgName == null) { 11328 if (DEBUG_SD_INSTALL) 11329 Log.i(TAG, "Container : " + cid + " stale"); 11330 removeCids.add(cid); 11331 continue; 11332 } 11333 if (DEBUG_SD_INSTALL) 11334 Log.i(TAG, "Looking for pkg : " + pkgName); 11335 11336 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11337 if (ps == null) { 11338 Log.i(TAG, "Deleting container with no matching settings " + cid); 11339 removeCids.add(cid); 11340 continue; 11341 } 11342 11343 /* 11344 * Skip packages that are not external if we're unmounting 11345 * external storage. 11346 */ 11347 if (externalStorage && !isMounted && !isExternal(ps)) { 11348 continue; 11349 } 11350 11351 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11352 // The package status is changed only if the code path 11353 // matches between settings and the container id. 11354 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11355 if (DEBUG_SD_INSTALL) { 11356 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11357 + " at code path: " + ps.codePathString); 11358 } 11359 11360 // We do have a valid package installed on sdcard 11361 processCids.put(args, ps.codePathString); 11362 final int uid = ps.appId; 11363 if (uid != -1) { 11364 uidList[num++] = uid; 11365 } 11366 } else { 11367 Log.i(TAG, "Deleting stale container for " + cid); 11368 removeCids.add(cid); 11369 } 11370 } 11371 } 11372 11373 if (num > 0) { 11374 // Sort uid list 11375 Arrays.sort(uidList, 0, num); 11376 // Throw away duplicates 11377 uidArr = new int[num]; 11378 uidArr[0] = uidList[0]; 11379 int di = 0; 11380 for (int i = 1; i < num; i++) { 11381 if (uidList[i - 1] != uidList[i]) { 11382 uidArr[di++] = uidList[i]; 11383 } 11384 } 11385 } 11386 } 11387 // Process packages with valid entries. 11388 if (isMounted) { 11389 if (DEBUG_SD_INSTALL) 11390 Log.i(TAG, "Loading packages"); 11391 loadMediaPackages(processCids, uidArr, removeCids); 11392 startCleaningPackages(); 11393 } else { 11394 if (DEBUG_SD_INSTALL) 11395 Log.i(TAG, "Unloading packages"); 11396 unloadMediaPackages(processCids, uidArr, reportStatus); 11397 } 11398 } 11399 11400 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11401 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11402 int size = pkgList.size(); 11403 if (size > 0) { 11404 // Send broadcasts here 11405 Bundle extras = new Bundle(); 11406 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11407 .toArray(new String[size])); 11408 if (uidArr != null) { 11409 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11410 } 11411 if (replacing) { 11412 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11413 } 11414 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11415 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11416 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11417 } 11418 } 11419 11420 /* 11421 * Look at potentially valid container ids from processCids If package 11422 * information doesn't match the one on record or package scanning fails, 11423 * the cid is added to list of removeCids. We currently don't delete stale 11424 * containers. 11425 */ 11426 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11427 HashSet<String> removeCids) { 11428 ArrayList<String> pkgList = new ArrayList<String>(); 11429 Set<AsecInstallArgs> keys = processCids.keySet(); 11430 boolean doGc = false; 11431 for (AsecInstallArgs args : keys) { 11432 String codePath = processCids.get(args); 11433 if (DEBUG_SD_INSTALL) 11434 Log.i(TAG, "Loading container : " + args.cid); 11435 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11436 try { 11437 // Make sure there are no container errors first. 11438 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11439 Slog.e(TAG, "Failed to mount cid : " + args.cid 11440 + " when installing from sdcard"); 11441 continue; 11442 } 11443 // Check code path here. 11444 if (codePath == null || !codePath.equals(args.getCodePath())) { 11445 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11446 + " does not match one in settings " + codePath); 11447 continue; 11448 } 11449 // Parse package 11450 int parseFlags = mDefParseFlags; 11451 if (args.isExternal()) { 11452 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11453 } 11454 if (args.isFwdLocked()) { 11455 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11456 } 11457 11458 doGc = true; 11459 synchronized (mInstallLock) { 11460 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11461 0, 0, null); 11462 // Scan the package 11463 if (pkg != null) { 11464 /* 11465 * TODO why is the lock being held? doPostInstall is 11466 * called in other places without the lock. This needs 11467 * to be straightened out. 11468 */ 11469 // writer 11470 synchronized (mPackages) { 11471 retCode = PackageManager.INSTALL_SUCCEEDED; 11472 pkgList.add(pkg.packageName); 11473 // Post process args 11474 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11475 pkg.applicationInfo.uid); 11476 } 11477 } else { 11478 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11479 } 11480 } 11481 11482 } finally { 11483 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11484 // Don't destroy container here. Wait till gc clears things 11485 // up. 11486 removeCids.add(args.cid); 11487 } 11488 } 11489 } 11490 // writer 11491 synchronized (mPackages) { 11492 // If the platform SDK has changed since the last time we booted, 11493 // we need to re-grant app permission to catch any new ones that 11494 // appear. This is really a hack, and means that apps can in some 11495 // cases get permissions that the user didn't initially explicitly 11496 // allow... it would be nice to have some better way to handle 11497 // this situation. 11498 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11499 if (regrantPermissions) 11500 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11501 + mSdkVersion + "; regranting permissions for external storage"); 11502 mSettings.mExternalSdkPlatform = mSdkVersion; 11503 11504 // Make sure group IDs have been assigned, and any permission 11505 // changes in other apps are accounted for 11506 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11507 | (regrantPermissions 11508 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11509 : 0)); 11510 // can downgrade to reader 11511 // Persist settings 11512 mSettings.writeLPr(); 11513 } 11514 // Send a broadcast to let everyone know we are done processing 11515 if (pkgList.size() > 0) { 11516 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11517 } 11518 // Force gc to avoid any stale parser references that we might have. 11519 if (doGc) { 11520 Runtime.getRuntime().gc(); 11521 } 11522 // List stale containers and destroy stale temporary containers. 11523 if (removeCids != null) { 11524 for (String cid : removeCids) { 11525 if (cid.startsWith(mTempContainerPrefix)) { 11526 Log.i(TAG, "Destroying stale temporary container " + cid); 11527 PackageHelper.destroySdDir(cid); 11528 } else { 11529 Log.w(TAG, "Container " + cid + " is stale"); 11530 } 11531 } 11532 } 11533 } 11534 11535 /* 11536 * Utility method to unload a list of specified containers 11537 */ 11538 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11539 // Just unmount all valid containers. 11540 for (AsecInstallArgs arg : cidArgs) { 11541 synchronized (mInstallLock) { 11542 arg.doPostDeleteLI(false); 11543 } 11544 } 11545 } 11546 11547 /* 11548 * Unload packages mounted on external media. This involves deleting package 11549 * data from internal structures, sending broadcasts about diabled packages, 11550 * gc'ing to free up references, unmounting all secure containers 11551 * corresponding to packages on external media, and posting a 11552 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11553 * that we always have to post this message if status has been requested no 11554 * matter what. 11555 */ 11556 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11557 final boolean reportStatus) { 11558 if (DEBUG_SD_INSTALL) 11559 Log.i(TAG, "unloading media packages"); 11560 ArrayList<String> pkgList = new ArrayList<String>(); 11561 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11562 final Set<AsecInstallArgs> keys = processCids.keySet(); 11563 for (AsecInstallArgs args : keys) { 11564 String pkgName = args.getPackageName(); 11565 if (DEBUG_SD_INSTALL) 11566 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11567 // Delete package internally 11568 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11569 synchronized (mInstallLock) { 11570 boolean res = deletePackageLI(pkgName, null, false, null, null, 11571 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11572 if (res) { 11573 pkgList.add(pkgName); 11574 } else { 11575 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11576 failedList.add(args); 11577 } 11578 } 11579 } 11580 11581 // reader 11582 synchronized (mPackages) { 11583 // We didn't update the settings after removing each package; 11584 // write them now for all packages. 11585 mSettings.writeLPr(); 11586 } 11587 11588 // We have to absolutely send UPDATED_MEDIA_STATUS only 11589 // after confirming that all the receivers processed the ordered 11590 // broadcast when packages get disabled, force a gc to clean things up. 11591 // and unload all the containers. 11592 if (pkgList.size() > 0) { 11593 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11594 new IIntentReceiver.Stub() { 11595 public void performReceive(Intent intent, int resultCode, String data, 11596 Bundle extras, boolean ordered, boolean sticky, 11597 int sendingUser) throws RemoteException { 11598 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11599 reportStatus ? 1 : 0, 1, keys); 11600 mHandler.sendMessage(msg); 11601 } 11602 }); 11603 } else { 11604 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11605 keys); 11606 mHandler.sendMessage(msg); 11607 } 11608 } 11609 11610 /** Binder call */ 11611 @Override 11612 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11613 final int flags) { 11614 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11615 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11616 int returnCode = PackageManager.MOVE_SUCCEEDED; 11617 int currFlags = 0; 11618 int newFlags = 0; 11619 // reader 11620 synchronized (mPackages) { 11621 PackageParser.Package pkg = mPackages.get(packageName); 11622 if (pkg == null) { 11623 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11624 } else { 11625 // Disable moving fwd locked apps and system packages 11626 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11627 Slog.w(TAG, "Cannot move system application"); 11628 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11629 } else if (pkg.mOperationPending) { 11630 Slog.w(TAG, "Attempt to move package which has pending operations"); 11631 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11632 } else { 11633 // Find install location first 11634 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11635 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11636 Slog.w(TAG, "Ambigous flags specified for move location."); 11637 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11638 } else { 11639 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11640 : PackageManager.INSTALL_INTERNAL; 11641 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11642 : PackageManager.INSTALL_INTERNAL; 11643 11644 if (newFlags == currFlags) { 11645 Slog.w(TAG, "No move required. Trying to move to same location"); 11646 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11647 } else { 11648 if (isForwardLocked(pkg)) { 11649 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11650 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11651 } 11652 } 11653 } 11654 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11655 pkg.mOperationPending = true; 11656 } 11657 } 11658 } 11659 11660 /* 11661 * TODO this next block probably shouldn't be inside the lock. We 11662 * can't guarantee these won't change after this is fired off 11663 * anyway. 11664 */ 11665 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11666 processPendingMove(new MoveParams(null, observer, 0, packageName, 11667 null, -1, user), 11668 returnCode); 11669 } else { 11670 Message msg = mHandler.obtainMessage(INIT_COPY); 11671 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11672 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11673 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11674 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11675 msg.obj = mp; 11676 mHandler.sendMessage(msg); 11677 } 11678 } 11679 } 11680 11681 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11682 // Queue up an async operation since the package deletion may take a 11683 // little while. 11684 mHandler.post(new Runnable() { 11685 public void run() { 11686 // TODO fix this; this does nothing. 11687 mHandler.removeCallbacks(this); 11688 int returnCode = currentStatus; 11689 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11690 int uidArr[] = null; 11691 ArrayList<String> pkgList = null; 11692 synchronized (mPackages) { 11693 PackageParser.Package pkg = mPackages.get(mp.packageName); 11694 if (pkg == null) { 11695 Slog.w(TAG, " Package " + mp.packageName 11696 + " doesn't exist. Aborting move"); 11697 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11698 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11699 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11700 + mp.srcArgs.getCodePath() + " to " 11701 + pkg.applicationInfo.sourceDir 11702 + " Aborting move and returning error"); 11703 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11704 } else { 11705 uidArr = new int[] { 11706 pkg.applicationInfo.uid 11707 }; 11708 pkgList = new ArrayList<String>(); 11709 pkgList.add(mp.packageName); 11710 } 11711 } 11712 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11713 // Send resources unavailable broadcast 11714 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11715 // Update package code and resource paths 11716 synchronized (mInstallLock) { 11717 synchronized (mPackages) { 11718 PackageParser.Package pkg = mPackages.get(mp.packageName); 11719 // Recheck for package again. 11720 if (pkg == null) { 11721 Slog.w(TAG, " Package " + mp.packageName 11722 + " doesn't exist. Aborting move"); 11723 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11724 } else if (!mp.srcArgs.getCodePath().equals( 11725 pkg.applicationInfo.sourceDir)) { 11726 Slog.w(TAG, "Package " + mp.packageName 11727 + " code path changed from " + mp.srcArgs.getCodePath() 11728 + " to " + pkg.applicationInfo.sourceDir 11729 + " Aborting move and returning error"); 11730 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11731 } else { 11732 final String oldCodePath = pkg.mPath; 11733 final String newCodePath = mp.targetArgs.getCodePath(); 11734 final String newResPath = mp.targetArgs.getResourcePath(); 11735 final String newNativePath = mp.targetArgs 11736 .getNativeLibraryPath(); 11737 11738 final File newNativeDir = new File(newNativePath); 11739 11740 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11741 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11742 new File(newCodePath), newNativeDir); 11743 } 11744 final int[] users = sUserManager.getUserIds(); 11745 for (int user : users) { 11746 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11747 newNativePath, user) < 0) { 11748 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11749 } 11750 } 11751 11752 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11753 pkg.mPath = newCodePath; 11754 // Move dex files around 11755 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11756 // Moving of dex files failed. Set 11757 // error code and abort move. 11758 pkg.mPath = pkg.mScanPath; 11759 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11760 } 11761 } 11762 11763 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11764 pkg.mScanPath = newCodePath; 11765 pkg.applicationInfo.sourceDir = newCodePath; 11766 pkg.applicationInfo.publicSourceDir = newResPath; 11767 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11768 PackageSetting ps = (PackageSetting) pkg.mExtras; 11769 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11770 ps.codePathString = ps.codePath.getPath(); 11771 ps.resourcePath = new File( 11772 pkg.applicationInfo.publicSourceDir); 11773 ps.resourcePathString = ps.resourcePath.getPath(); 11774 ps.nativeLibraryPathString = newNativePath; 11775 // Set the application info flag 11776 // correctly. 11777 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11778 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11779 } else { 11780 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11781 } 11782 ps.setFlags(pkg.applicationInfo.flags); 11783 mAppDirs.remove(oldCodePath); 11784 mAppDirs.put(newCodePath, pkg); 11785 // Persist settings 11786 mSettings.writeLPr(); 11787 } 11788 } 11789 } 11790 } 11791 // Send resources available broadcast 11792 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11793 } 11794 } 11795 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11796 // Clean up failed installation 11797 if (mp.targetArgs != null) { 11798 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11799 -1); 11800 } 11801 } else { 11802 // Force a gc to clear things up. 11803 Runtime.getRuntime().gc(); 11804 // Delete older code 11805 synchronized (mInstallLock) { 11806 mp.srcArgs.doPostDeleteLI(true); 11807 } 11808 } 11809 11810 // Allow more operations on this file if we didn't fail because 11811 // an operation was already pending for this package. 11812 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11813 synchronized (mPackages) { 11814 PackageParser.Package pkg = mPackages.get(mp.packageName); 11815 if (pkg != null) { 11816 pkg.mOperationPending = false; 11817 } 11818 } 11819 } 11820 11821 IPackageMoveObserver observer = mp.observer; 11822 if (observer != null) { 11823 try { 11824 observer.packageMoved(mp.packageName, returnCode); 11825 } catch (RemoteException e) { 11826 Log.i(TAG, "Observer no longer exists."); 11827 } 11828 } 11829 } 11830 }); 11831 } 11832 11833 public boolean setInstallLocation(int loc) { 11834 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11835 null); 11836 if (getInstallLocation() == loc) { 11837 return true; 11838 } 11839 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11840 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11841 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11842 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11843 return true; 11844 } 11845 return false; 11846 } 11847 11848 public int getInstallLocation() { 11849 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11850 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11851 PackageHelper.APP_INSTALL_AUTO); 11852 } 11853 11854 /** Called by UserManagerService */ 11855 void cleanUpUserLILPw(int userHandle) { 11856 mDirtyUsers.remove(userHandle); 11857 mSettings.removeUserLPr(userHandle); 11858 mPendingBroadcasts.remove(userHandle); 11859 if (mInstaller != null) { 11860 // Technically, we shouldn't be doing this with the package lock 11861 // held. However, this is very rare, and there is already so much 11862 // other disk I/O going on, that we'll let it slide for now. 11863 mInstaller.removeUserDataDirs(userHandle); 11864 } 11865 } 11866 11867 /** Called by UserManagerService */ 11868 void createNewUserLILPw(int userHandle, File path) { 11869 if (mInstaller != null) { 11870 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11871 } 11872 } 11873 11874 @Override 11875 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11876 mContext.enforceCallingOrSelfPermission( 11877 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11878 "Only package verification agents can read the verifier device identity"); 11879 11880 synchronized (mPackages) { 11881 return mSettings.getVerifierDeviceIdentityLPw(); 11882 } 11883 } 11884 11885 @Override 11886 public void setPermissionEnforced(String permission, boolean enforced) { 11887 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11888 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11889 synchronized (mPackages) { 11890 if (mSettings.mReadExternalStorageEnforced == null 11891 || mSettings.mReadExternalStorageEnforced != enforced) { 11892 mSettings.mReadExternalStorageEnforced = enforced; 11893 mSettings.writeLPr(); 11894 } 11895 } 11896 // kill any non-foreground processes so we restart them and 11897 // grant/revoke the GID. 11898 final IActivityManager am = ActivityManagerNative.getDefault(); 11899 if (am != null) { 11900 final long token = Binder.clearCallingIdentity(); 11901 try { 11902 am.killProcessesBelowForeground("setPermissionEnforcement"); 11903 } catch (RemoteException e) { 11904 } finally { 11905 Binder.restoreCallingIdentity(token); 11906 } 11907 } 11908 } else { 11909 throw new IllegalArgumentException("No selective enforcement for " + permission); 11910 } 11911 } 11912 11913 @Override 11914 @Deprecated 11915 public boolean isPermissionEnforced(String permission) { 11916 return true; 11917 } 11918 11919 @Override 11920 public boolean isStorageLow() { 11921 final long token = Binder.clearCallingIdentity(); 11922 try { 11923 final DeviceStorageMonitorInternal 11924 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11925 if (dsm != null) { 11926 return dsm.isMemoryLow(); 11927 } else { 11928 return false; 11929 } 11930 } finally { 11931 Binder.restoreCallingIdentity(token); 11932 } 11933 } 11934} 11935