PackageManagerService.java revision 98bab263500b258025c9c6ca64f8aaff7dc914f4
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static com.android.internal.util.ArrayUtils.appendInt; 27import static com.android.internal.util.ArrayUtils.removeInt; 28import static libcore.io.OsConstants.S_IRWXU; 29import static libcore.io.OsConstants.S_IRGRP; 30import static libcore.io.OsConstants.S_IXGRP; 31import static libcore.io.OsConstants.S_IROTH; 32import static libcore.io.OsConstants.S_IXOTH; 33 34import com.android.internal.app.IMediaContainerService; 35import com.android.internal.app.ResolverActivity; 36import com.android.internal.content.NativeLibraryHelper; 37import com.android.internal.content.PackageHelper; 38import com.android.internal.util.FastPrintWriter; 39import com.android.internal.util.FastXmlSerializer; 40import com.android.internal.util.XmlUtils; 41import com.android.server.EventLogTags; 42import com.android.server.IntentResolver; 43import com.android.server.ServiceThread; 44 45import com.android.server.LocalServices; 46import com.android.server.Watchdog; 47import org.xmlpull.v1.XmlPullParser; 48import org.xmlpull.v1.XmlPullParserException; 49import org.xmlpull.v1.XmlSerializer; 50 51import android.app.ActivityManager; 52import android.app.ActivityManagerNative; 53import android.app.IActivityManager; 54import android.app.admin.IDevicePolicyManager; 55import android.app.backup.IBackupManager; 56import android.content.BroadcastReceiver; 57import android.content.ComponentName; 58import android.content.Context; 59import android.content.IIntentReceiver; 60import android.content.Intent; 61import android.content.IntentFilter; 62import android.content.IntentSender; 63import android.content.ServiceConnection; 64import android.content.IntentSender.SendIntentException; 65import android.content.pm.ActivityInfo; 66import android.content.pm.ApplicationInfo; 67import android.content.pm.ContainerEncryptionParams; 68import android.content.pm.FeatureInfo; 69import android.content.pm.IPackageDataObserver; 70import android.content.pm.IPackageDeleteObserver; 71import android.content.pm.IPackageInstallObserver; 72import android.content.pm.IPackageManager; 73import android.content.pm.IPackageMoveObserver; 74import android.content.pm.IPackageStatsObserver; 75import android.content.pm.InstrumentationInfo; 76import android.content.pm.PackageCleanItem; 77import android.content.pm.PackageInfo; 78import android.content.pm.PackageInfoLite; 79import android.content.pm.PackageManager; 80import android.content.pm.PackageParser; 81import android.content.pm.PackageUserState; 82import android.content.pm.PackageParser.ActivityIntentInfo; 83import android.content.pm.PackageStats; 84import android.content.pm.ParceledListSlice; 85import android.content.pm.PermissionGroupInfo; 86import android.content.pm.PermissionInfo; 87import android.content.pm.ProviderInfo; 88import android.content.pm.ResolveInfo; 89import android.content.pm.ServiceInfo; 90import android.content.pm.Signature; 91import android.content.pm.ManifestDigest; 92import android.content.pm.VerificationParams; 93import android.content.pm.VerifierDeviceIdentity; 94import android.content.pm.VerifierInfo; 95import android.content.res.Resources; 96import android.hardware.display.DisplayManager; 97import android.net.Uri; 98import android.os.Binder; 99import android.os.Build; 100import android.os.Bundle; 101import android.os.Environment; 102import android.os.FileObserver; 103import android.os.FileUtils; 104import android.os.Handler; 105import android.os.HandlerThread; 106import android.os.IBinder; 107import android.os.Looper; 108import android.os.Message; 109import android.os.Parcel; 110import android.os.ParcelFileDescriptor; 111import android.os.Process; 112import android.os.RemoteException; 113import android.os.SELinux; 114import android.os.ServiceManager; 115import android.os.SystemClock; 116import android.os.SystemProperties; 117import android.os.UserHandle; 118import android.os.Environment.UserEnvironment; 119import android.os.UserManager; 120import android.security.KeyStore; 121import android.security.SystemKeyStore; 122import android.text.TextUtils; 123import android.util.DisplayMetrics; 124import android.util.EventLog; 125import android.util.Log; 126import android.util.LogPrinter; 127import android.util.PrintStreamPrinter; 128import android.util.Slog; 129import android.util.SparseArray; 130import android.util.Xml; 131import android.view.Display; 132 133import java.io.BufferedOutputStream; 134import java.io.File; 135import java.io.FileDescriptor; 136import java.io.FileInputStream; 137import java.io.FileNotFoundException; 138import java.io.FileOutputStream; 139import java.io.FileReader; 140import java.io.FilenameFilter; 141import java.io.IOException; 142import java.io.PrintWriter; 143import java.security.NoSuchAlgorithmException; 144import java.security.PublicKey; 145import java.security.cert.CertificateException; 146import java.text.SimpleDateFormat; 147import java.util.ArrayList; 148import java.util.Arrays; 149import java.util.Collection; 150import java.util.Collections; 151import java.util.Comparator; 152import java.util.Date; 153import java.util.HashMap; 154import java.util.HashSet; 155import java.util.Iterator; 156import java.util.List; 157import java.util.Map; 158import java.util.Set; 159 160import libcore.io.ErrnoException; 161import libcore.io.IoUtils; 162import libcore.io.Libcore; 163import libcore.io.StructStat; 164 165import com.android.internal.R; 166import com.android.server.storage.DeviceStorageMonitorInternal; 167 168/** 169 * Keep track of all those .apks everywhere. 170 * 171 * This is very central to the platform's security; please run the unit 172 * tests whenever making modifications here: 173 * 174mmm frameworks/base/tests/AndroidTests 175adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 176adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 177 * 178 * {@hide} 179 */ 180public class PackageManagerService extends IPackageManager.Stub { 181 static final String TAG = "PackageManager"; 182 static final boolean DEBUG_SETTINGS = false; 183 static final boolean DEBUG_PREFERRED = false; 184 static final boolean DEBUG_UPGRADE = false; 185 private static final boolean DEBUG_INSTALL = false; 186 private static final boolean DEBUG_REMOVE = false; 187 private static final boolean DEBUG_BROADCASTS = false; 188 private static final boolean DEBUG_SHOW_INFO = false; 189 private static final boolean DEBUG_PACKAGE_INFO = false; 190 private static final boolean DEBUG_INTENT_MATCHING = false; 191 private static final boolean DEBUG_PACKAGE_SCANNING = false; 192 private static final boolean DEBUG_APP_DIR_OBSERVER = false; 193 private static final boolean DEBUG_VERIFY = false; 194 195 private static final int RADIO_UID = Process.PHONE_UID; 196 private static final int LOG_UID = Process.LOG_UID; 197 private static final int NFC_UID = Process.NFC_UID; 198 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 199 private static final int SHELL_UID = Process.SHELL_UID; 200 201 private static final boolean GET_CERTIFICATES = true; 202 203 private static final int REMOVE_EVENTS = 204 FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; 205 private static final int ADD_EVENTS = 206 FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; 207 208 private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; 209 // Suffix used during package installation when copying/moving 210 // package apks to install directory. 211 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 212 213 static final int SCAN_MONITOR = 1<<0; 214 static final int SCAN_NO_DEX = 1<<1; 215 static final int SCAN_FORCE_DEX = 1<<2; 216 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 217 static final int SCAN_NEW_INSTALL = 1<<4; 218 static final int SCAN_NO_PATHS = 1<<5; 219 static final int SCAN_UPDATE_TIME = 1<<6; 220 static final int SCAN_DEFER_DEX = 1<<7; 221 static final int SCAN_BOOTING = 1<<8; 222 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 223 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 224 225 static final int REMOVE_CHATTY = 1<<16; 226 227 /** 228 * Timeout (in milliseconds) after which the watchdog should declare that 229 * our handler thread is wedged. The usual default for such things is one 230 * minute but we sometimes do very lengthy I/O operations on this thread, 231 * such as installing multi-gigabyte applications, so ours needs to be longer. 232 */ 233 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 234 235 /** 236 * Whether verification is enabled by default. 237 */ 238 private static final boolean DEFAULT_VERIFY_ENABLE = true; 239 240 /** 241 * The default maximum time to wait for the verification agent to return in 242 * milliseconds. 243 */ 244 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 245 246 /** 247 * The default response for package verification timeout. 248 * 249 * This can be either PackageManager.VERIFICATION_ALLOW or 250 * PackageManager.VERIFICATION_REJECT. 251 */ 252 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 253 254 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 255 256 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 257 DEFAULT_CONTAINER_PACKAGE, 258 "com.android.defcontainer.DefaultContainerService"); 259 260 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 261 262 private static final String LIB_DIR_NAME = "lib"; 263 264 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 265 266 static final String mTempContainerPrefix = "smdl2tmp"; 267 268 final ServiceThread mHandlerThread; 269 270 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 271 private static final String IDMAP_SUFFIX = "@idmap"; 272 273 final PackageHandler mHandler; 274 275 final int mSdkVersion = Build.VERSION.SDK_INT; 276 final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) 277 ? null : Build.VERSION.CODENAME; 278 279 final Context mContext; 280 final boolean mFactoryTest; 281 final boolean mOnlyCore; 282 final boolean mNoDexOpt; 283 final DisplayMetrics mMetrics; 284 final int mDefParseFlags; 285 final String[] mSeparateProcesses; 286 287 // This is where all application persistent data goes. 288 final File mAppDataDir; 289 290 // This is where all application persistent data goes for secondary users. 291 final File mUserAppDataDir; 292 293 /** The location for ASEC container files on internal storage. */ 294 final String mAsecInternalPath; 295 296 // This is the object monitoring the framework dir. 297 final FileObserver mFrameworkInstallObserver; 298 299 // This is the object monitoring the system app dir. 300 final FileObserver mSystemInstallObserver; 301 302 // This is the object monitoring the privileged system app dir. 303 final FileObserver mPrivilegedInstallObserver; 304 305 // This is the object monitoring the system app dir. 306 final FileObserver mVendorInstallObserver; 307 308 // This is the object monitoring the vendor overlay package dir. 309 final FileObserver mVendorOverlayInstallObserver; 310 311 // This is the object monitoring mAppInstallDir. 312 final FileObserver mAppInstallObserver; 313 314 // This is the object monitoring mDrmAppPrivateInstallDir. 315 final FileObserver mDrmAppInstallObserver; 316 317 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 318 // LOCK HELD. Can be called with mInstallLock held. 319 final Installer mInstaller; 320 321 final File mAppInstallDir; 322 323 /** 324 * Directory to which applications installed internally have native 325 * libraries copied. 326 */ 327 private File mAppLibInstallDir; 328 329 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 330 // apps. 331 final File mDrmAppPrivateInstallDir; 332 333 // ---------------------------------------------------------------- 334 335 // Lock for state used when installing and doing other long running 336 // operations. Methods that must be called with this lock held have 337 // the prefix "LI". 338 final Object mInstallLock = new Object(); 339 340 // These are the directories in the 3rd party applications installed dir 341 // that we have currently loaded packages from. Keys are the application's 342 // installed zip file (absolute codePath), and values are Package. 343 final HashMap<String, PackageParser.Package> mAppDirs = 344 new HashMap<String, PackageParser.Package>(); 345 346 // Information for the parser to write more useful error messages. 347 int mLastScanError; 348 349 // ---------------------------------------------------------------- 350 351 // Keys are String (package name), values are Package. This also serves 352 // as the lock for the global state. Methods that must be called with 353 // this lock held have the prefix "LP". 354 final HashMap<String, PackageParser.Package> mPackages = 355 new HashMap<String, PackageParser.Package>(); 356 357 // Tracks available target package names -> overlay package paths. 358 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 359 new HashMap<String, HashMap<String, PackageParser.Package>>(); 360 361 final Settings mSettings; 362 boolean mRestoredSettings; 363 364 // Group-ids that are given to all packages as read from etc/permissions/*.xml. 365 int[] mGlobalGids; 366 367 // These are the built-in uid -> permission mappings that were read from the 368 // etc/permissions.xml file. 369 final SparseArray<HashSet<String>> mSystemPermissions = 370 new SparseArray<HashSet<String>>(); 371 372 static final class SharedLibraryEntry { 373 final String path; 374 final String apk; 375 376 SharedLibraryEntry(String _path, String _apk) { 377 path = _path; 378 apk = _apk; 379 } 380 } 381 382 // These are the built-in shared libraries that were read from the 383 // etc/permissions.xml file. 384 final HashMap<String, SharedLibraryEntry> mSharedLibraries 385 = new HashMap<String, SharedLibraryEntry>(); 386 387 // Temporary for building the final shared libraries for an .apk. 388 String[] mTmpSharedLibraries = null; 389 390 // These are the features this devices supports that were read from the 391 // etc/permissions.xml file. 392 final HashMap<String, FeatureInfo> mAvailableFeatures = 393 new HashMap<String, FeatureInfo>(); 394 395 // If mac_permissions.xml was found for seinfo labeling. 396 boolean mFoundPolicyFile; 397 398 // All available activities, for your resolving pleasure. 399 final ActivityIntentResolver mActivities = 400 new ActivityIntentResolver(); 401 402 // All available receivers, for your resolving pleasure. 403 final ActivityIntentResolver mReceivers = 404 new ActivityIntentResolver(); 405 406 // All available services, for your resolving pleasure. 407 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 408 409 // All available providers, for your resolving pleasure. 410 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 411 412 // Mapping from provider base names (first directory in content URI codePath) 413 // to the provider information. 414 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 415 new HashMap<String, PackageParser.Provider>(); 416 417 // Mapping from instrumentation class names to info about them. 418 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 419 new HashMap<ComponentName, PackageParser.Instrumentation>(); 420 421 // Mapping from permission names to info about them. 422 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 423 new HashMap<String, PackageParser.PermissionGroup>(); 424 425 // Packages whose data we have transfered into another package, thus 426 // should no longer exist. 427 final HashSet<String> mTransferedPackages = new HashSet<String>(); 428 429 // Broadcast actions that are only available to the system. 430 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 431 432 /** List of packages waiting for verification. */ 433 final SparseArray<PackageVerificationState> mPendingVerification 434 = new SparseArray<PackageVerificationState>(); 435 436 HashSet<PackageParser.Package> mDeferredDexOpt = null; 437 438 /** Token for keys in mPendingVerification. */ 439 private int mPendingVerificationToken = 0; 440 441 boolean mSystemReady; 442 boolean mSafeMode; 443 boolean mHasSystemUidErrors; 444 445 ApplicationInfo mAndroidApplication; 446 final ActivityInfo mResolveActivity = new ActivityInfo(); 447 final ResolveInfo mResolveInfo = new ResolveInfo(); 448 ComponentName mResolveComponentName; 449 PackageParser.Package mPlatformPackage; 450 ComponentName mCustomResolverComponentName; 451 452 boolean mResolverReplaced = false; 453 454 // Set of pending broadcasts for aggregating enable/disable of components. 455 static class PendingPackageBroadcasts { 456 // for each user id, a map of <package name -> components within that package> 457 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 458 459 public PendingPackageBroadcasts() { 460 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 461 } 462 463 public ArrayList<String> get(int userId, String packageName) { 464 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 465 return packages.get(packageName); 466 } 467 468 public void put(int userId, String packageName, ArrayList<String> components) { 469 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 470 packages.put(packageName, components); 471 } 472 473 public void remove(int userId, String packageName) { 474 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 475 if (packages != null) { 476 packages.remove(packageName); 477 } 478 } 479 480 public void remove(int userId) { 481 mUidMap.remove(userId); 482 } 483 484 public int userIdCount() { 485 return mUidMap.size(); 486 } 487 488 public int userIdAt(int n) { 489 return mUidMap.keyAt(n); 490 } 491 492 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 493 return mUidMap.get(userId); 494 } 495 496 public int size() { 497 // total number of pending broadcast entries across all userIds 498 int num = 0; 499 for (int i = 0; i< mUidMap.size(); i++) { 500 num += mUidMap.valueAt(i).size(); 501 } 502 return num; 503 } 504 505 public void clear() { 506 mUidMap.clear(); 507 } 508 509 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 510 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 511 if (map == null) { 512 map = new HashMap<String, ArrayList<String>>(); 513 mUidMap.put(userId, map); 514 } 515 return map; 516 } 517 } 518 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 519 520 // Service Connection to remote media container service to copy 521 // package uri's from external media onto secure containers 522 // or internal storage. 523 private IMediaContainerService mContainerService = null; 524 525 static final int SEND_PENDING_BROADCAST = 1; 526 static final int MCS_BOUND = 3; 527 static final int END_COPY = 4; 528 static final int INIT_COPY = 5; 529 static final int MCS_UNBIND = 6; 530 static final int START_CLEANING_PACKAGE = 7; 531 static final int FIND_INSTALL_LOC = 8; 532 static final int POST_INSTALL = 9; 533 static final int MCS_RECONNECT = 10; 534 static final int MCS_GIVE_UP = 11; 535 static final int UPDATED_MEDIA_STATUS = 12; 536 static final int WRITE_SETTINGS = 13; 537 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 538 static final int PACKAGE_VERIFIED = 15; 539 static final int CHECK_PENDING_VERIFICATION = 16; 540 541 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 542 543 // Delay time in millisecs 544 static final int BROADCAST_DELAY = 10 * 1000; 545 546 static UserManagerService sUserManager; 547 548 // Stores a list of users whose package restrictions file needs to be updated 549 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 550 551 final private DefaultContainerConnection mDefContainerConn = 552 new DefaultContainerConnection(); 553 class DefaultContainerConnection implements ServiceConnection { 554 public void onServiceConnected(ComponentName name, IBinder service) { 555 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 556 IMediaContainerService imcs = 557 IMediaContainerService.Stub.asInterface(service); 558 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 559 } 560 561 public void onServiceDisconnected(ComponentName name) { 562 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 563 } 564 }; 565 566 // Recordkeeping of restore-after-install operations that are currently in flight 567 // between the Package Manager and the Backup Manager 568 class PostInstallData { 569 public InstallArgs args; 570 public PackageInstalledInfo res; 571 572 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 573 args = _a; 574 res = _r; 575 } 576 }; 577 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 578 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 579 580 private final String mRequiredVerifierPackage; 581 582 class PackageHandler extends Handler { 583 private boolean mBound = false; 584 final ArrayList<HandlerParams> mPendingInstalls = 585 new ArrayList<HandlerParams>(); 586 587 private boolean connectToService() { 588 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 589 " DefaultContainerService"); 590 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 591 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 592 if (mContext.bindServiceAsUser(service, mDefContainerConn, 593 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 594 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 595 mBound = true; 596 return true; 597 } 598 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 599 return false; 600 } 601 602 private void disconnectService() { 603 mContainerService = null; 604 mBound = false; 605 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 606 mContext.unbindService(mDefContainerConn); 607 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 608 } 609 610 PackageHandler(Looper looper) { 611 super(looper); 612 } 613 614 public void handleMessage(Message msg) { 615 try { 616 doHandleMessage(msg); 617 } finally { 618 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 619 } 620 } 621 622 void doHandleMessage(Message msg) { 623 switch (msg.what) { 624 case INIT_COPY: { 625 HandlerParams params = (HandlerParams) msg.obj; 626 int idx = mPendingInstalls.size(); 627 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 628 // If a bind was already initiated we dont really 629 // need to do anything. The pending install 630 // will be processed later on. 631 if (!mBound) { 632 // If this is the only one pending we might 633 // have to bind to the service again. 634 if (!connectToService()) { 635 Slog.e(TAG, "Failed to bind to media container service"); 636 params.serviceError(); 637 return; 638 } else { 639 // Once we bind to the service, the first 640 // pending request will be processed. 641 mPendingInstalls.add(idx, params); 642 } 643 } else { 644 mPendingInstalls.add(idx, params); 645 // Already bound to the service. Just make 646 // sure we trigger off processing the first request. 647 if (idx == 0) { 648 mHandler.sendEmptyMessage(MCS_BOUND); 649 } 650 } 651 break; 652 } 653 case MCS_BOUND: { 654 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 655 if (msg.obj != null) { 656 mContainerService = (IMediaContainerService) msg.obj; 657 } 658 if (mContainerService == null) { 659 // Something seriously wrong. Bail out 660 Slog.e(TAG, "Cannot bind to media container service"); 661 for (HandlerParams params : mPendingInstalls) { 662 // Indicate service bind error 663 params.serviceError(); 664 } 665 mPendingInstalls.clear(); 666 } else if (mPendingInstalls.size() > 0) { 667 HandlerParams params = mPendingInstalls.get(0); 668 if (params != null) { 669 if (params.startCopy()) { 670 // We are done... look for more work or to 671 // go idle. 672 if (DEBUG_SD_INSTALL) Log.i(TAG, 673 "Checking for more work or unbind..."); 674 // Delete pending install 675 if (mPendingInstalls.size() > 0) { 676 mPendingInstalls.remove(0); 677 } 678 if (mPendingInstalls.size() == 0) { 679 if (mBound) { 680 if (DEBUG_SD_INSTALL) Log.i(TAG, 681 "Posting delayed MCS_UNBIND"); 682 removeMessages(MCS_UNBIND); 683 Message ubmsg = obtainMessage(MCS_UNBIND); 684 // Unbind after a little delay, to avoid 685 // continual thrashing. 686 sendMessageDelayed(ubmsg, 10000); 687 } 688 } else { 689 // There are more pending requests in queue. 690 // Just post MCS_BOUND message to trigger processing 691 // of next pending install. 692 if (DEBUG_SD_INSTALL) Log.i(TAG, 693 "Posting MCS_BOUND for next woek"); 694 mHandler.sendEmptyMessage(MCS_BOUND); 695 } 696 } 697 } 698 } else { 699 // Should never happen ideally. 700 Slog.w(TAG, "Empty queue"); 701 } 702 break; 703 } 704 case MCS_RECONNECT: { 705 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 706 if (mPendingInstalls.size() > 0) { 707 if (mBound) { 708 disconnectService(); 709 } 710 if (!connectToService()) { 711 Slog.e(TAG, "Failed to bind to media container service"); 712 for (HandlerParams params : mPendingInstalls) { 713 // Indicate service bind error 714 params.serviceError(); 715 } 716 mPendingInstalls.clear(); 717 } 718 } 719 break; 720 } 721 case MCS_UNBIND: { 722 // If there is no actual work left, then time to unbind. 723 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 724 725 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 726 if (mBound) { 727 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 728 729 disconnectService(); 730 } 731 } else if (mPendingInstalls.size() > 0) { 732 // There are more pending requests in queue. 733 // Just post MCS_BOUND message to trigger processing 734 // of next pending install. 735 mHandler.sendEmptyMessage(MCS_BOUND); 736 } 737 738 break; 739 } 740 case MCS_GIVE_UP: { 741 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 742 mPendingInstalls.remove(0); 743 break; 744 } 745 case SEND_PENDING_BROADCAST: { 746 String packages[]; 747 ArrayList<String> components[]; 748 int size = 0; 749 int uids[]; 750 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 751 synchronized (mPackages) { 752 if (mPendingBroadcasts == null) { 753 return; 754 } 755 size = mPendingBroadcasts.size(); 756 if (size <= 0) { 757 // Nothing to be done. Just return 758 return; 759 } 760 packages = new String[size]; 761 components = new ArrayList[size]; 762 uids = new int[size]; 763 int i = 0; // filling out the above arrays 764 765 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 766 int packageUserId = mPendingBroadcasts.userIdAt(n); 767 Iterator<Map.Entry<String, ArrayList<String>>> it 768 = mPendingBroadcasts.packagesForUserId(packageUserId) 769 .entrySet().iterator(); 770 while (it.hasNext() && i < size) { 771 Map.Entry<String, ArrayList<String>> ent = it.next(); 772 packages[i] = ent.getKey(); 773 components[i] = ent.getValue(); 774 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 775 uids[i] = (ps != null) 776 ? UserHandle.getUid(packageUserId, ps.appId) 777 : -1; 778 i++; 779 } 780 } 781 size = i; 782 mPendingBroadcasts.clear(); 783 } 784 // Send broadcasts 785 for (int i = 0; i < size; i++) { 786 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 787 } 788 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 789 break; 790 } 791 case START_CLEANING_PACKAGE: { 792 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 793 final String packageName = (String)msg.obj; 794 final int userId = msg.arg1; 795 final boolean andCode = msg.arg2 != 0; 796 synchronized (mPackages) { 797 if (userId == UserHandle.USER_ALL) { 798 int[] users = sUserManager.getUserIds(); 799 for (int user : users) { 800 mSettings.addPackageToCleanLPw( 801 new PackageCleanItem(user, packageName, andCode)); 802 } 803 } else { 804 mSettings.addPackageToCleanLPw( 805 new PackageCleanItem(userId, packageName, andCode)); 806 } 807 } 808 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 809 startCleaningPackages(); 810 } break; 811 case POST_INSTALL: { 812 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 813 PostInstallData data = mRunningInstalls.get(msg.arg1); 814 mRunningInstalls.delete(msg.arg1); 815 boolean deleteOld = false; 816 817 if (data != null) { 818 InstallArgs args = data.args; 819 PackageInstalledInfo res = data.res; 820 821 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 822 res.removedInfo.sendBroadcast(false, true, false); 823 Bundle extras = new Bundle(1); 824 extras.putInt(Intent.EXTRA_UID, res.uid); 825 // Determine the set of users who are adding this 826 // package for the first time vs. those who are seeing 827 // an update. 828 int[] firstUsers; 829 int[] updateUsers = new int[0]; 830 if (res.origUsers == null || res.origUsers.length == 0) { 831 firstUsers = res.newUsers; 832 } else { 833 firstUsers = new int[0]; 834 for (int i=0; i<res.newUsers.length; i++) { 835 int user = res.newUsers[i]; 836 boolean isNew = true; 837 for (int j=0; j<res.origUsers.length; j++) { 838 if (res.origUsers[j] == user) { 839 isNew = false; 840 break; 841 } 842 } 843 if (isNew) { 844 int[] newFirst = new int[firstUsers.length+1]; 845 System.arraycopy(firstUsers, 0, newFirst, 0, 846 firstUsers.length); 847 newFirst[firstUsers.length] = user; 848 firstUsers = newFirst; 849 } else { 850 int[] newUpdate = new int[updateUsers.length+1]; 851 System.arraycopy(updateUsers, 0, newUpdate, 0, 852 updateUsers.length); 853 newUpdate[updateUsers.length] = user; 854 updateUsers = newUpdate; 855 } 856 } 857 } 858 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 859 res.pkg.applicationInfo.packageName, 860 extras, null, null, firstUsers); 861 final boolean update = res.removedInfo.removedPackage != null; 862 if (update) { 863 extras.putBoolean(Intent.EXTRA_REPLACING, true); 864 } 865 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 866 res.pkg.applicationInfo.packageName, 867 extras, null, null, updateUsers); 868 if (update) { 869 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 870 res.pkg.applicationInfo.packageName, 871 extras, null, null, updateUsers); 872 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 873 null, null, 874 res.pkg.applicationInfo.packageName, null, updateUsers); 875 876 // treat asec-hosted packages like removable media on upgrade 877 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 878 if (DEBUG_INSTALL) { 879 Slog.i(TAG, "upgrading pkg " + res.pkg 880 + " is ASEC-hosted -> AVAILABLE"); 881 } 882 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 883 ArrayList<String> pkgList = new ArrayList<String>(1); 884 pkgList.add(res.pkg.applicationInfo.packageName); 885 sendResourcesChangedBroadcast(true, true, 886 pkgList,uidArray, null); 887 } 888 } 889 if (res.removedInfo.args != null) { 890 // Remove the replaced package's older resources safely now 891 deleteOld = true; 892 } 893 894 // Log current value of "unknown sources" setting 895 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 896 getUnknownSourcesSettings()); 897 } 898 // Force a gc to clear up things 899 Runtime.getRuntime().gc(); 900 // We delete after a gc for applications on sdcard. 901 if (deleteOld) { 902 synchronized (mInstallLock) { 903 res.removedInfo.args.doPostDeleteLI(true); 904 } 905 } 906 if (args.observer != null) { 907 try { 908 args.observer.packageInstalled(res.name, res.returnCode); 909 } catch (RemoteException e) { 910 Slog.i(TAG, "Observer no longer exists."); 911 } 912 } 913 } else { 914 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 915 } 916 } break; 917 case UPDATED_MEDIA_STATUS: { 918 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 919 boolean reportStatus = msg.arg1 == 1; 920 boolean doGc = msg.arg2 == 1; 921 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 922 if (doGc) { 923 // Force a gc to clear up stale containers. 924 Runtime.getRuntime().gc(); 925 } 926 if (msg.obj != null) { 927 @SuppressWarnings("unchecked") 928 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 929 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 930 // Unload containers 931 unloadAllContainers(args); 932 } 933 if (reportStatus) { 934 try { 935 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 936 PackageHelper.getMountService().finishMediaUpdate(); 937 } catch (RemoteException e) { 938 Log.e(TAG, "MountService not running?"); 939 } 940 } 941 } break; 942 case WRITE_SETTINGS: { 943 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 944 synchronized (mPackages) { 945 removeMessages(WRITE_SETTINGS); 946 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 947 mSettings.writeLPr(); 948 mDirtyUsers.clear(); 949 } 950 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 951 } break; 952 case WRITE_PACKAGE_RESTRICTIONS: { 953 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 954 synchronized (mPackages) { 955 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 956 for (int userId : mDirtyUsers) { 957 mSettings.writePackageRestrictionsLPr(userId); 958 } 959 mDirtyUsers.clear(); 960 } 961 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 962 } break; 963 case CHECK_PENDING_VERIFICATION: { 964 final int verificationId = msg.arg1; 965 final PackageVerificationState state = mPendingVerification.get(verificationId); 966 967 if ((state != null) && !state.timeoutExtended()) { 968 final InstallArgs args = state.getInstallArgs(); 969 Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); 970 mPendingVerification.remove(verificationId); 971 972 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 973 974 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 975 Slog.i(TAG, "Continuing with installation of " 976 + args.packageURI.toString()); 977 state.setVerifierResponse(Binder.getCallingUid(), 978 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 979 broadcastPackageVerified(verificationId, args.packageURI, 980 PackageManager.VERIFICATION_ALLOW, 981 state.getInstallArgs().getUser()); 982 try { 983 ret = args.copyApk(mContainerService, true); 984 } catch (RemoteException e) { 985 Slog.e(TAG, "Could not contact the ContainerService"); 986 } 987 } else { 988 broadcastPackageVerified(verificationId, args.packageURI, 989 PackageManager.VERIFICATION_REJECT, 990 state.getInstallArgs().getUser()); 991 } 992 993 processPendingInstall(args, ret); 994 mHandler.sendEmptyMessage(MCS_UNBIND); 995 } 996 break; 997 } 998 case PACKAGE_VERIFIED: { 999 final int verificationId = msg.arg1; 1000 1001 final PackageVerificationState state = mPendingVerification.get(verificationId); 1002 if (state == null) { 1003 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1004 break; 1005 } 1006 1007 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1008 1009 state.setVerifierResponse(response.callerUid, response.code); 1010 1011 if (state.isVerificationComplete()) { 1012 mPendingVerification.remove(verificationId); 1013 1014 final InstallArgs args = state.getInstallArgs(); 1015 1016 int ret; 1017 if (state.isInstallAllowed()) { 1018 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1019 broadcastPackageVerified(verificationId, args.packageURI, 1020 response.code, state.getInstallArgs().getUser()); 1021 try { 1022 ret = args.copyApk(mContainerService, true); 1023 } catch (RemoteException e) { 1024 Slog.e(TAG, "Could not contact the ContainerService"); 1025 } 1026 } else { 1027 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1028 } 1029 1030 processPendingInstall(args, ret); 1031 1032 mHandler.sendEmptyMessage(MCS_UNBIND); 1033 } 1034 1035 break; 1036 } 1037 } 1038 } 1039 } 1040 1041 void scheduleWriteSettingsLocked() { 1042 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1043 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1044 } 1045 } 1046 1047 void scheduleWritePackageRestrictionsLocked(int userId) { 1048 if (!sUserManager.exists(userId)) return; 1049 mDirtyUsers.add(userId); 1050 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1051 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1052 } 1053 } 1054 1055 public static final IPackageManager main(Context context, Installer installer, 1056 boolean factoryTest, boolean onlyCore) { 1057 PackageManagerService m = new PackageManagerService(context, installer, 1058 factoryTest, onlyCore); 1059 ServiceManager.addService("package", m); 1060 return m; 1061 } 1062 1063 static String[] splitString(String str, char sep) { 1064 int count = 1; 1065 int i = 0; 1066 while ((i=str.indexOf(sep, i)) >= 0) { 1067 count++; 1068 i++; 1069 } 1070 1071 String[] res = new String[count]; 1072 i=0; 1073 count = 0; 1074 int lastI=0; 1075 while ((i=str.indexOf(sep, i)) >= 0) { 1076 res[count] = str.substring(lastI, i); 1077 count++; 1078 i++; 1079 lastI = i; 1080 } 1081 res[count] = str.substring(lastI, str.length()); 1082 return res; 1083 } 1084 1085 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1086 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1087 Context.DISPLAY_SERVICE); 1088 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1089 } 1090 1091 public PackageManagerService(Context context, Installer installer, 1092 boolean factoryTest, boolean onlyCore) { 1093 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1094 SystemClock.uptimeMillis()); 1095 1096 if (mSdkVersion <= 0) { 1097 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1098 } 1099 1100 mContext = context; 1101 mFactoryTest = factoryTest; 1102 mOnlyCore = onlyCore; 1103 mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1104 mMetrics = new DisplayMetrics(); 1105 mSettings = new Settings(context); 1106 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1107 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1108 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1109 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1110 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1111 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1112 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1113 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1114 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1115 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1116 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1117 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1118 1119 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1120 if (separateProcesses != null && separateProcesses.length() > 0) { 1121 if ("*".equals(separateProcesses)) { 1122 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1123 mSeparateProcesses = null; 1124 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1125 } else { 1126 mDefParseFlags = 0; 1127 mSeparateProcesses = separateProcesses.split(","); 1128 Slog.w(TAG, "Running with debug.separate_processes: " 1129 + separateProcesses); 1130 } 1131 } else { 1132 mDefParseFlags = 0; 1133 mSeparateProcesses = null; 1134 } 1135 1136 mInstaller = installer; 1137 1138 getDefaultDisplayMetrics(context, mMetrics); 1139 1140 synchronized (mInstallLock) { 1141 // writer 1142 synchronized (mPackages) { 1143 mHandlerThread = new ServiceThread(TAG, 1144 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1145 mHandlerThread.start(); 1146 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1147 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1148 1149 File dataDir = Environment.getDataDirectory(); 1150 mAppDataDir = new File(dataDir, "data"); 1151 mAppInstallDir = new File(dataDir, "app"); 1152 mAppLibInstallDir = new File(dataDir, "app-lib"); 1153 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1154 mUserAppDataDir = new File(dataDir, "user"); 1155 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1156 1157 sUserManager = new UserManagerService(context, this, 1158 mInstallLock, mPackages); 1159 1160 readPermissions(); 1161 1162 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1163 1164 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1165 mSdkVersion, mOnlyCore); 1166 1167 String customResolverActivity = Resources.getSystem().getString( 1168 R.string.config_customResolverActivity); 1169 if (TextUtils.isEmpty(customResolverActivity)) { 1170 customResolverActivity = null; 1171 } else { 1172 mCustomResolverComponentName = ComponentName.unflattenFromString( 1173 customResolverActivity); 1174 } 1175 1176 long startTime = SystemClock.uptimeMillis(); 1177 1178 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1179 startTime); 1180 1181 // Set flag to monitor and not change apk file paths when 1182 // scanning install directories. 1183 int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1184 if (mNoDexOpt) { 1185 Slog.w(TAG, "Running ENG build: no pre-dexopt!"); 1186 scanMode |= SCAN_NO_DEX; 1187 } 1188 1189 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1190 1191 /** 1192 * Add everything in the in the boot class path to the 1193 * list of process files because dexopt will have been run 1194 * if necessary during zygote startup. 1195 */ 1196 String bootClassPath = System.getProperty("java.boot.class.path"); 1197 if (bootClassPath != null) { 1198 String[] paths = splitString(bootClassPath, ':'); 1199 for (int i=0; i<paths.length; i++) { 1200 alreadyDexOpted.add(paths[i]); 1201 } 1202 } else { 1203 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1204 } 1205 1206 boolean didDexOpt = false; 1207 1208 /** 1209 * Ensure all external libraries have had dexopt run on them. 1210 */ 1211 if (mSharedLibraries.size() > 0) { 1212 Iterator<SharedLibraryEntry> libs = mSharedLibraries.values().iterator(); 1213 while (libs.hasNext()) { 1214 String lib = libs.next().path; 1215 if (lib == null) { 1216 continue; 1217 } 1218 try { 1219 if (dalvik.system.DexFile.isDexOptNeeded(lib)) { 1220 alreadyDexOpted.add(lib); 1221 mInstaller.dexopt(lib, Process.SYSTEM_UID, true); 1222 didDexOpt = true; 1223 } 1224 } catch (FileNotFoundException e) { 1225 Slog.w(TAG, "Library not found: " + lib); 1226 } catch (IOException e) { 1227 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1228 + e.getMessage()); 1229 } 1230 } 1231 } 1232 1233 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1234 1235 // Gross hack for now: we know this file doesn't contain any 1236 // code, so don't dexopt it to avoid the resulting log spew. 1237 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1238 1239 // Gross hack for now: we know this file is only part of 1240 // the boot class path for art, so don't dexopt it to 1241 // avoid the resulting log spew. 1242 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1243 1244 /** 1245 * And there are a number of commands implemented in Java, which 1246 * we currently need to do the dexopt on so that they can be 1247 * run from a non-root shell. 1248 */ 1249 String[] frameworkFiles = frameworkDir.list(); 1250 if (frameworkFiles != null) { 1251 for (int i=0; i<frameworkFiles.length; i++) { 1252 File libPath = new File(frameworkDir, frameworkFiles[i]); 1253 String path = libPath.getPath(); 1254 // Skip the file if we alrady did it. 1255 if (alreadyDexOpted.contains(path)) { 1256 continue; 1257 } 1258 // Skip the file if it is not a type we want to dexopt. 1259 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1260 continue; 1261 } 1262 try { 1263 if (dalvik.system.DexFile.isDexOptNeeded(path)) { 1264 mInstaller.dexopt(path, Process.SYSTEM_UID, true); 1265 didDexOpt = true; 1266 } 1267 } catch (FileNotFoundException e) { 1268 Slog.w(TAG, "Jar not found: " + path); 1269 } catch (IOException e) { 1270 Slog.w(TAG, "Exception reading jar: " + path, e); 1271 } 1272 } 1273 } 1274 1275 if (didDexOpt) { 1276 File dalvikCacheDir = new File(dataDir, "dalvik-cache"); 1277 1278 // If we had to do a dexopt of one of the previous 1279 // things, then something on the system has changed. 1280 // Consider this significant, and wipe away all other 1281 // existing dexopt files to ensure we don't leave any 1282 // dangling around. 1283 String[] files = dalvikCacheDir.list(); 1284 if (files != null) { 1285 for (int i=0; i<files.length; i++) { 1286 String fn = files[i]; 1287 if (fn.startsWith("data@app@") 1288 || fn.startsWith("data@app-private@")) { 1289 Slog.i(TAG, "Pruning dalvik file: " + fn); 1290 (new File(dalvikCacheDir, fn)).delete(); 1291 } 1292 } 1293 } 1294 } 1295 1296 // Collect vendor overlay packages. 1297 // (Do this before scanning any apps.) 1298 // For security and version matching reason, only consider 1299 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1300 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1301 mVendorOverlayInstallObserver = new AppDirObserver( 1302 vendorOverlayDir.getPath(), OBSERVER_EVENTS, true, false); 1303 mVendorOverlayInstallObserver.startWatching(); 1304 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1305 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_TRUSTED_OVERLAY, 0); 1306 1307 // Find base frameworks (resource packages without code). 1308 mFrameworkInstallObserver = new AppDirObserver( 1309 frameworkDir.getPath(), OBSERVER_EVENTS, true, false); 1310 mFrameworkInstallObserver.startWatching(); 1311 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1312 | PackageParser.PARSE_IS_SYSTEM_DIR 1313 | PackageParser.PARSE_IS_PRIVILEGED, 1314 scanMode | SCAN_NO_DEX, 0); 1315 1316 // Collected privileged system packages. 1317 File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1318 mPrivilegedInstallObserver = new AppDirObserver( 1319 privilegedAppDir.getPath(), OBSERVER_EVENTS, true, true); 1320 mPrivilegedInstallObserver.startWatching(); 1321 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1322 | PackageParser.PARSE_IS_SYSTEM_DIR 1323 | PackageParser.PARSE_IS_PRIVILEGED, scanMode, 0); 1324 1325 // Collect ordinary system packages. 1326 File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1327 mSystemInstallObserver = new AppDirObserver( 1328 systemAppDir.getPath(), OBSERVER_EVENTS, true, false); 1329 mSystemInstallObserver.startWatching(); 1330 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1331 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1332 1333 // Collect all vendor packages. 1334 File vendorAppDir = new File("/vendor/app"); 1335 try { 1336 vendorAppDir = vendorAppDir.getCanonicalFile(); 1337 } catch (IOException e) { 1338 // failed to look up canonical path, continue with original one 1339 } 1340 mVendorInstallObserver = new AppDirObserver( 1341 vendorAppDir.getPath(), OBSERVER_EVENTS, true, false); 1342 mVendorInstallObserver.startWatching(); 1343 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1344 | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); 1345 1346 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1347 mInstaller.moveFiles(); 1348 1349 // Prune any system packages that no longer exist. 1350 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1351 if (!mOnlyCore) { 1352 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1353 while (psit.hasNext()) { 1354 PackageSetting ps = psit.next(); 1355 1356 /* 1357 * If this is not a system app, it can't be a 1358 * disable system app. 1359 */ 1360 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1361 continue; 1362 } 1363 1364 /* 1365 * If the package is scanned, it's not erased. 1366 */ 1367 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1368 if (scannedPkg != null) { 1369 /* 1370 * If the system app is both scanned and in the 1371 * disabled packages list, then it must have been 1372 * added via OTA. Remove it from the currently 1373 * scanned package so the previously user-installed 1374 * application can be scanned. 1375 */ 1376 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1377 Slog.i(TAG, "Expecting better updatd system app for " + ps.name 1378 + "; removing system app"); 1379 removePackageLI(ps, true); 1380 } 1381 1382 continue; 1383 } 1384 1385 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1386 psit.remove(); 1387 String msg = "System package " + ps.name 1388 + " no longer exists; wiping its data"; 1389 reportSettingsProblem(Log.WARN, msg); 1390 removeDataDirsLI(ps.name); 1391 } else { 1392 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1393 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1394 possiblyDeletedUpdatedSystemApps.add(ps.name); 1395 } 1396 } 1397 } 1398 } 1399 1400 //look for any incomplete package installations 1401 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1402 //clean up list 1403 for(int i = 0; i < deletePkgsList.size(); i++) { 1404 //clean up here 1405 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1406 } 1407 //delete tmp files 1408 deleteTempPackageFiles(); 1409 1410 // Remove any shared userIDs that have no associated packages 1411 mSettings.pruneSharedUsersLPw(); 1412 1413 if (!mOnlyCore) { 1414 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1415 SystemClock.uptimeMillis()); 1416 mAppInstallObserver = new AppDirObserver( 1417 mAppInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1418 mAppInstallObserver.startWatching(); 1419 scanDirLI(mAppInstallDir, 0, scanMode, 0); 1420 1421 mDrmAppInstallObserver = new AppDirObserver( 1422 mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false, false); 1423 mDrmAppInstallObserver.startWatching(); 1424 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1425 scanMode, 0); 1426 1427 /** 1428 * Remove disable package settings for any updated system 1429 * apps that were removed via an OTA. If they're not a 1430 * previously-updated app, remove them completely. 1431 * Otherwise, just revoke their system-level permissions. 1432 */ 1433 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1434 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1435 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1436 1437 String msg; 1438 if (deletedPkg == null) { 1439 msg = "Updated system package " + deletedAppName 1440 + " no longer exists; wiping its data"; 1441 removeDataDirsLI(deletedAppName); 1442 } else { 1443 msg = "Updated system app + " + deletedAppName 1444 + " no longer present; removing system privileges for " 1445 + deletedAppName; 1446 1447 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1448 1449 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1450 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1451 } 1452 reportSettingsProblem(Log.WARN, msg); 1453 } 1454 } else { 1455 mAppInstallObserver = null; 1456 mDrmAppInstallObserver = null; 1457 } 1458 1459 // Now that we know all of the shared libraries, update all clients to have 1460 // the correct library paths. 1461 updateAllSharedLibrariesLPw(); 1462 1463 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1464 SystemClock.uptimeMillis()); 1465 Slog.i(TAG, "Time to scan packages: " 1466 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1467 + " seconds"); 1468 1469 // If the platform SDK has changed since the last time we booted, 1470 // we need to re-grant app permission to catch any new ones that 1471 // appear. This is really a hack, and means that apps can in some 1472 // cases get permissions that the user didn't initially explicitly 1473 // allow... it would be nice to have some better way to handle 1474 // this situation. 1475 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1476 != mSdkVersion; 1477 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1478 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1479 + "; regranting permissions for internal storage"); 1480 mSettings.mInternalSdkPlatform = mSdkVersion; 1481 1482 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1483 | (regrantPermissions 1484 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1485 : 0)); 1486 1487 // If this is the first boot, and it is a normal boot, then 1488 // we need to initialize the default preferred apps. 1489 if (!mRestoredSettings && !onlyCore) { 1490 mSettings.readDefaultPreferredAppsLPw(this, 0); 1491 } 1492 1493 // can downgrade to reader 1494 mSettings.writeLPr(); 1495 1496 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1497 SystemClock.uptimeMillis()); 1498 1499 // Now after opening every single application zip, make sure they 1500 // are all flushed. Not really needed, but keeps things nice and 1501 // tidy. 1502 Runtime.getRuntime().gc(); 1503 1504 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1505 } // synchronized (mPackages) 1506 } // synchronized (mInstallLock) 1507 } 1508 1509 public boolean isFirstBoot() { 1510 return !mRestoredSettings; 1511 } 1512 1513 public boolean isOnlyCoreApps() { 1514 return mOnlyCore; 1515 } 1516 1517 private String getRequiredVerifierLPr() { 1518 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1519 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1520 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1521 1522 String requiredVerifier = null; 1523 1524 final int N = receivers.size(); 1525 for (int i = 0; i < N; i++) { 1526 final ResolveInfo info = receivers.get(i); 1527 1528 if (info.activityInfo == null) { 1529 continue; 1530 } 1531 1532 final String packageName = info.activityInfo.packageName; 1533 1534 final PackageSetting ps = mSettings.mPackages.get(packageName); 1535 if (ps == null) { 1536 continue; 1537 } 1538 1539 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1540 if (!gp.grantedPermissions 1541 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1542 continue; 1543 } 1544 1545 if (requiredVerifier != null) { 1546 throw new RuntimeException("There can be only one required verifier"); 1547 } 1548 1549 requiredVerifier = packageName; 1550 } 1551 1552 return requiredVerifier; 1553 } 1554 1555 @Override 1556 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1557 throws RemoteException { 1558 try { 1559 return super.onTransact(code, data, reply, flags); 1560 } catch (RuntimeException e) { 1561 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1562 Slog.wtf(TAG, "Package Manager Crash", e); 1563 } 1564 throw e; 1565 } 1566 } 1567 1568 void cleanupInstallFailedPackage(PackageSetting ps) { 1569 Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); 1570 removeDataDirsLI(ps.name); 1571 if (ps.codePath != null) { 1572 if (!ps.codePath.delete()) { 1573 Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); 1574 } 1575 } 1576 if (ps.resourcePath != null) { 1577 if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { 1578 Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); 1579 } 1580 } 1581 mSettings.removePackageLPw(ps.name); 1582 } 1583 1584 void readPermissions() { 1585 // Read permissions from .../etc/permission directory. 1586 File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); 1587 if (!libraryDir.exists() || !libraryDir.isDirectory()) { 1588 Slog.w(TAG, "No directory " + libraryDir + ", skipping"); 1589 return; 1590 } 1591 if (!libraryDir.canRead()) { 1592 Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); 1593 return; 1594 } 1595 1596 // Iterate over the files in the directory and scan .xml files 1597 for (File f : libraryDir.listFiles()) { 1598 // We'll read platform.xml last 1599 if (f.getPath().endsWith("etc/permissions/platform.xml")) { 1600 continue; 1601 } 1602 1603 if (!f.getPath().endsWith(".xml")) { 1604 Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); 1605 continue; 1606 } 1607 if (!f.canRead()) { 1608 Slog.w(TAG, "Permissions library file " + f + " cannot be read"); 1609 continue; 1610 } 1611 1612 readPermissionsFromXml(f); 1613 } 1614 1615 // Read permissions from .../etc/permissions/platform.xml last so it will take precedence 1616 final File permFile = new File(Environment.getRootDirectory(), 1617 "etc/permissions/platform.xml"); 1618 readPermissionsFromXml(permFile); 1619 } 1620 1621 private void readPermissionsFromXml(File permFile) { 1622 FileReader permReader = null; 1623 try { 1624 permReader = new FileReader(permFile); 1625 } catch (FileNotFoundException e) { 1626 Slog.w(TAG, "Couldn't find or open permissions file " + permFile); 1627 return; 1628 } 1629 1630 try { 1631 XmlPullParser parser = Xml.newPullParser(); 1632 parser.setInput(permReader); 1633 1634 XmlUtils.beginDocument(parser, "permissions"); 1635 1636 while (true) { 1637 XmlUtils.nextElement(parser); 1638 if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { 1639 break; 1640 } 1641 1642 String name = parser.getName(); 1643 if ("group".equals(name)) { 1644 String gidStr = parser.getAttributeValue(null, "gid"); 1645 if (gidStr != null) { 1646 int gid = Process.getGidForName(gidStr); 1647 mGlobalGids = appendInt(mGlobalGids, gid); 1648 } else { 1649 Slog.w(TAG, "<group> without gid at " 1650 + parser.getPositionDescription()); 1651 } 1652 1653 XmlUtils.skipCurrentTag(parser); 1654 continue; 1655 } else if ("permission".equals(name)) { 1656 String perm = parser.getAttributeValue(null, "name"); 1657 if (perm == null) { 1658 Slog.w(TAG, "<permission> without name at " 1659 + parser.getPositionDescription()); 1660 XmlUtils.skipCurrentTag(parser); 1661 continue; 1662 } 1663 perm = perm.intern(); 1664 readPermission(parser, perm); 1665 1666 } else if ("assign-permission".equals(name)) { 1667 String perm = parser.getAttributeValue(null, "name"); 1668 if (perm == null) { 1669 Slog.w(TAG, "<assign-permission> without name at " 1670 + parser.getPositionDescription()); 1671 XmlUtils.skipCurrentTag(parser); 1672 continue; 1673 } 1674 String uidStr = parser.getAttributeValue(null, "uid"); 1675 if (uidStr == null) { 1676 Slog.w(TAG, "<assign-permission> without uid at " 1677 + parser.getPositionDescription()); 1678 XmlUtils.skipCurrentTag(parser); 1679 continue; 1680 } 1681 int uid = Process.getUidForName(uidStr); 1682 if (uid < 0) { 1683 Slog.w(TAG, "<assign-permission> with unknown uid \"" 1684 + uidStr + "\" at " 1685 + parser.getPositionDescription()); 1686 XmlUtils.skipCurrentTag(parser); 1687 continue; 1688 } 1689 perm = perm.intern(); 1690 HashSet<String> perms = mSystemPermissions.get(uid); 1691 if (perms == null) { 1692 perms = new HashSet<String>(); 1693 mSystemPermissions.put(uid, perms); 1694 } 1695 perms.add(perm); 1696 XmlUtils.skipCurrentTag(parser); 1697 1698 } else if ("library".equals(name)) { 1699 String lname = parser.getAttributeValue(null, "name"); 1700 String lfile = parser.getAttributeValue(null, "file"); 1701 if (lname == null) { 1702 Slog.w(TAG, "<library> without name at " 1703 + parser.getPositionDescription()); 1704 } else if (lfile == null) { 1705 Slog.w(TAG, "<library> without file at " 1706 + parser.getPositionDescription()); 1707 } else { 1708 //Log.i(TAG, "Got library " + lname + " in " + lfile); 1709 mSharedLibraries.put(lname, new SharedLibraryEntry(lfile, null)); 1710 } 1711 XmlUtils.skipCurrentTag(parser); 1712 continue; 1713 1714 } else if ("feature".equals(name)) { 1715 String fname = parser.getAttributeValue(null, "name"); 1716 if (fname == null) { 1717 Slog.w(TAG, "<feature> without name at " 1718 + parser.getPositionDescription()); 1719 } else { 1720 //Log.i(TAG, "Got feature " + fname); 1721 FeatureInfo fi = new FeatureInfo(); 1722 fi.name = fname; 1723 mAvailableFeatures.put(fname, fi); 1724 } 1725 XmlUtils.skipCurrentTag(parser); 1726 continue; 1727 1728 } else { 1729 XmlUtils.skipCurrentTag(parser); 1730 continue; 1731 } 1732 1733 } 1734 permReader.close(); 1735 } catch (XmlPullParserException e) { 1736 Slog.w(TAG, "Got execption parsing permissions.", e); 1737 } catch (IOException e) { 1738 Slog.w(TAG, "Got execption parsing permissions.", e); 1739 } 1740 } 1741 1742 void readPermission(XmlPullParser parser, String name) 1743 throws IOException, XmlPullParserException { 1744 1745 name = name.intern(); 1746 1747 BasePermission bp = mSettings.mPermissions.get(name); 1748 if (bp == null) { 1749 bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); 1750 mSettings.mPermissions.put(name, bp); 1751 } 1752 int outerDepth = parser.getDepth(); 1753 int type; 1754 while ((type=parser.next()) != XmlPullParser.END_DOCUMENT 1755 && (type != XmlPullParser.END_TAG 1756 || parser.getDepth() > outerDepth)) { 1757 if (type == XmlPullParser.END_TAG 1758 || type == XmlPullParser.TEXT) { 1759 continue; 1760 } 1761 1762 String tagName = parser.getName(); 1763 if ("group".equals(tagName)) { 1764 String gidStr = parser.getAttributeValue(null, "gid"); 1765 if (gidStr != null) { 1766 int gid = Process.getGidForName(gidStr); 1767 bp.gids = appendInt(bp.gids, gid); 1768 } else { 1769 Slog.w(TAG, "<group> without gid at " 1770 + parser.getPositionDescription()); 1771 } 1772 } 1773 XmlUtils.skipCurrentTag(parser); 1774 } 1775 } 1776 1777 static int[] appendInts(int[] cur, int[] add) { 1778 if (add == null) return cur; 1779 if (cur == null) return add; 1780 final int N = add.length; 1781 for (int i=0; i<N; i++) { 1782 cur = appendInt(cur, add[i]); 1783 } 1784 return cur; 1785 } 1786 1787 static int[] removeInts(int[] cur, int[] rem) { 1788 if (rem == null) return cur; 1789 if (cur == null) return cur; 1790 final int N = rem.length; 1791 for (int i=0; i<N; i++) { 1792 cur = removeInt(cur, rem[i]); 1793 } 1794 return cur; 1795 } 1796 1797 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1798 if (!sUserManager.exists(userId)) return null; 1799 PackageInfo pi; 1800 final PackageSetting ps = (PackageSetting) p.mExtras; 1801 if (ps == null) { 1802 return null; 1803 } 1804 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1805 final PackageUserState state = ps.readUserState(userId); 1806 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1807 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1808 state, userId); 1809 } 1810 1811 public boolean isPackageAvailable(String packageName, int userId) { 1812 if (!sUserManager.exists(userId)) return false; 1813 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available"); 1814 synchronized (mPackages) { 1815 PackageParser.Package p = mPackages.get(packageName); 1816 if (p != null) { 1817 final PackageSetting ps = (PackageSetting) p.mExtras; 1818 if (ps != null) { 1819 final PackageUserState state = ps.readUserState(userId); 1820 if (state != null) { 1821 return PackageParser.isAvailable(state); 1822 } 1823 } 1824 } 1825 } 1826 return false; 1827 } 1828 1829 @Override 1830 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1831 if (!sUserManager.exists(userId)) return null; 1832 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info"); 1833 // reader 1834 synchronized (mPackages) { 1835 PackageParser.Package p = mPackages.get(packageName); 1836 if (DEBUG_PACKAGE_INFO) 1837 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1838 if (p != null) { 1839 return generatePackageInfo(p, flags, userId); 1840 } 1841 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1842 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1843 } 1844 } 1845 return null; 1846 } 1847 1848 public String[] currentToCanonicalPackageNames(String[] names) { 1849 String[] out = new String[names.length]; 1850 // reader 1851 synchronized (mPackages) { 1852 for (int i=names.length-1; i>=0; i--) { 1853 PackageSetting ps = mSettings.mPackages.get(names[i]); 1854 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1855 } 1856 } 1857 return out; 1858 } 1859 1860 public String[] canonicalToCurrentPackageNames(String[] names) { 1861 String[] out = new String[names.length]; 1862 // reader 1863 synchronized (mPackages) { 1864 for (int i=names.length-1; i>=0; i--) { 1865 String cur = mSettings.mRenamedPackages.get(names[i]); 1866 out[i] = cur != null ? cur : names[i]; 1867 } 1868 } 1869 return out; 1870 } 1871 1872 @Override 1873 public int getPackageUid(String packageName, int userId) { 1874 if (!sUserManager.exists(userId)) return -1; 1875 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid"); 1876 // reader 1877 synchronized (mPackages) { 1878 PackageParser.Package p = mPackages.get(packageName); 1879 if(p != null) { 1880 return UserHandle.getUid(userId, p.applicationInfo.uid); 1881 } 1882 PackageSetting ps = mSettings.mPackages.get(packageName); 1883 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1884 return -1; 1885 } 1886 p = ps.pkg; 1887 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1888 } 1889 } 1890 1891 @Override 1892 public int[] getPackageGids(String packageName) { 1893 // reader 1894 synchronized (mPackages) { 1895 PackageParser.Package p = mPackages.get(packageName); 1896 if (DEBUG_PACKAGE_INFO) 1897 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1898 if (p != null) { 1899 final PackageSetting ps = (PackageSetting)p.mExtras; 1900 return ps.getGids(); 1901 } 1902 } 1903 // stupid thing to indicate an error. 1904 return new int[0]; 1905 } 1906 1907 static final PermissionInfo generatePermissionInfo( 1908 BasePermission bp, int flags) { 1909 if (bp.perm != null) { 1910 return PackageParser.generatePermissionInfo(bp.perm, flags); 1911 } 1912 PermissionInfo pi = new PermissionInfo(); 1913 pi.name = bp.name; 1914 pi.packageName = bp.sourcePackage; 1915 pi.nonLocalizedLabel = bp.name; 1916 pi.protectionLevel = bp.protectionLevel; 1917 return pi; 1918 } 1919 1920 public PermissionInfo getPermissionInfo(String name, int flags) { 1921 // reader 1922 synchronized (mPackages) { 1923 final BasePermission p = mSettings.mPermissions.get(name); 1924 if (p != null) { 1925 return generatePermissionInfo(p, flags); 1926 } 1927 return null; 1928 } 1929 } 1930 1931 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 1932 // reader 1933 synchronized (mPackages) { 1934 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 1935 for (BasePermission p : mSettings.mPermissions.values()) { 1936 if (group == null) { 1937 if (p.perm == null || p.perm.info.group == null) { 1938 out.add(generatePermissionInfo(p, flags)); 1939 } 1940 } else { 1941 if (p.perm != null && group.equals(p.perm.info.group)) { 1942 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 1943 } 1944 } 1945 } 1946 1947 if (out.size() > 0) { 1948 return out; 1949 } 1950 return mPermissionGroups.containsKey(group) ? out : null; 1951 } 1952 } 1953 1954 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 1955 // reader 1956 synchronized (mPackages) { 1957 return PackageParser.generatePermissionGroupInfo( 1958 mPermissionGroups.get(name), flags); 1959 } 1960 } 1961 1962 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 1963 // reader 1964 synchronized (mPackages) { 1965 final int N = mPermissionGroups.size(); 1966 ArrayList<PermissionGroupInfo> out 1967 = new ArrayList<PermissionGroupInfo>(N); 1968 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 1969 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 1970 } 1971 return out; 1972 } 1973 } 1974 1975 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 1976 int userId) { 1977 if (!sUserManager.exists(userId)) return null; 1978 PackageSetting ps = mSettings.mPackages.get(packageName); 1979 if (ps != null) { 1980 if (ps.pkg == null) { 1981 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 1982 flags, userId); 1983 if (pInfo != null) { 1984 return pInfo.applicationInfo; 1985 } 1986 return null; 1987 } 1988 return PackageParser.generateApplicationInfo(ps.pkg, flags, 1989 ps.readUserState(userId), userId); 1990 } 1991 return null; 1992 } 1993 1994 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 1995 int userId) { 1996 if (!sUserManager.exists(userId)) return null; 1997 PackageSetting ps = mSettings.mPackages.get(packageName); 1998 if (ps != null) { 1999 PackageParser.Package pkg = ps.pkg; 2000 if (pkg == null) { 2001 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2002 return null; 2003 } 2004 pkg = new PackageParser.Package(packageName); 2005 pkg.applicationInfo.packageName = packageName; 2006 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2007 pkg.applicationInfo.publicSourceDir = ps.resourcePathString; 2008 pkg.applicationInfo.sourceDir = ps.codePathString; 2009 pkg.applicationInfo.dataDir = 2010 getDataPathForPackage(packageName, 0).getPath(); 2011 pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; 2012 } 2013 return generatePackageInfo(pkg, flags, userId); 2014 } 2015 return null; 2016 } 2017 2018 @Override 2019 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2020 if (!sUserManager.exists(userId)) return null; 2021 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info"); 2022 // writer 2023 synchronized (mPackages) { 2024 PackageParser.Package p = mPackages.get(packageName); 2025 if (DEBUG_PACKAGE_INFO) Log.v( 2026 TAG, "getApplicationInfo " + packageName 2027 + ": " + p); 2028 if (p != null) { 2029 PackageSetting ps = mSettings.mPackages.get(packageName); 2030 if (ps == null) return null; 2031 // Note: isEnabledLP() does not apply here - always return info 2032 return PackageParser.generateApplicationInfo( 2033 p, flags, ps.readUserState(userId), userId); 2034 } 2035 if ("android".equals(packageName)||"system".equals(packageName)) { 2036 return mAndroidApplication; 2037 } 2038 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2039 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2040 } 2041 } 2042 return null; 2043 } 2044 2045 2046 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2047 mContext.enforceCallingOrSelfPermission( 2048 android.Manifest.permission.CLEAR_APP_CACHE, null); 2049 // Queue up an async operation since clearing cache may take a little while. 2050 mHandler.post(new Runnable() { 2051 public void run() { 2052 mHandler.removeCallbacks(this); 2053 int retCode = -1; 2054 synchronized (mInstallLock) { 2055 retCode = mInstaller.freeCache(freeStorageSize); 2056 if (retCode < 0) { 2057 Slog.w(TAG, "Couldn't clear application caches"); 2058 } 2059 } 2060 if (observer != null) { 2061 try { 2062 observer.onRemoveCompleted(null, (retCode >= 0)); 2063 } catch (RemoteException e) { 2064 Slog.w(TAG, "RemoveException when invoking call back"); 2065 } 2066 } 2067 } 2068 }); 2069 } 2070 2071 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2072 mContext.enforceCallingOrSelfPermission( 2073 android.Manifest.permission.CLEAR_APP_CACHE, null); 2074 // Queue up an async operation since clearing cache may take a little while. 2075 mHandler.post(new Runnable() { 2076 public void run() { 2077 mHandler.removeCallbacks(this); 2078 int retCode = -1; 2079 synchronized (mInstallLock) { 2080 retCode = mInstaller.freeCache(freeStorageSize); 2081 if (retCode < 0) { 2082 Slog.w(TAG, "Couldn't clear application caches"); 2083 } 2084 } 2085 if(pi != null) { 2086 try { 2087 // Callback via pending intent 2088 int code = (retCode >= 0) ? 1 : 0; 2089 pi.sendIntent(null, code, null, 2090 null, null); 2091 } catch (SendIntentException e1) { 2092 Slog.i(TAG, "Failed to send pending intent"); 2093 } 2094 } 2095 } 2096 }); 2097 } 2098 2099 @Override 2100 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2101 if (!sUserManager.exists(userId)) return null; 2102 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info"); 2103 synchronized (mPackages) { 2104 PackageParser.Activity a = mActivities.mActivities.get(component); 2105 2106 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2107 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2108 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2109 if (ps == null) return null; 2110 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2111 userId); 2112 } 2113 if (mResolveComponentName.equals(component)) { 2114 return mResolveActivity; 2115 } 2116 } 2117 return null; 2118 } 2119 2120 @Override 2121 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2122 if (!sUserManager.exists(userId)) return null; 2123 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info"); 2124 synchronized (mPackages) { 2125 PackageParser.Activity a = mReceivers.mActivities.get(component); 2126 if (DEBUG_PACKAGE_INFO) Log.v( 2127 TAG, "getReceiverInfo " + component + ": " + a); 2128 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2129 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2130 if (ps == null) return null; 2131 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2132 userId); 2133 } 2134 } 2135 return null; 2136 } 2137 2138 @Override 2139 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2140 if (!sUserManager.exists(userId)) return null; 2141 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info"); 2142 synchronized (mPackages) { 2143 PackageParser.Service s = mServices.mServices.get(component); 2144 if (DEBUG_PACKAGE_INFO) Log.v( 2145 TAG, "getServiceInfo " + component + ": " + s); 2146 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2147 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2148 if (ps == null) return null; 2149 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2150 userId); 2151 } 2152 } 2153 return null; 2154 } 2155 2156 @Override 2157 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2158 if (!sUserManager.exists(userId)) return null; 2159 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info"); 2160 synchronized (mPackages) { 2161 PackageParser.Provider p = mProviders.mProviders.get(component); 2162 if (DEBUG_PACKAGE_INFO) Log.v( 2163 TAG, "getProviderInfo " + component + ": " + p); 2164 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2165 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2166 if (ps == null) return null; 2167 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2168 userId); 2169 } 2170 } 2171 return null; 2172 } 2173 2174 public String[] getSystemSharedLibraryNames() { 2175 Set<String> libSet; 2176 synchronized (mPackages) { 2177 libSet = mSharedLibraries.keySet(); 2178 int size = libSet.size(); 2179 if (size > 0) { 2180 String[] libs = new String[size]; 2181 libSet.toArray(libs); 2182 return libs; 2183 } 2184 } 2185 return null; 2186 } 2187 2188 public FeatureInfo[] getSystemAvailableFeatures() { 2189 Collection<FeatureInfo> featSet; 2190 synchronized (mPackages) { 2191 featSet = mAvailableFeatures.values(); 2192 int size = featSet.size(); 2193 if (size > 0) { 2194 FeatureInfo[] features = new FeatureInfo[size+1]; 2195 featSet.toArray(features); 2196 FeatureInfo fi = new FeatureInfo(); 2197 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2198 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2199 features[size] = fi; 2200 return features; 2201 } 2202 } 2203 return null; 2204 } 2205 2206 public boolean hasSystemFeature(String name) { 2207 synchronized (mPackages) { 2208 return mAvailableFeatures.containsKey(name); 2209 } 2210 } 2211 2212 private void checkValidCaller(int uid, int userId) { 2213 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2214 return; 2215 2216 throw new SecurityException("Caller uid=" + uid 2217 + " is not privileged to communicate with user=" + userId); 2218 } 2219 2220 public int checkPermission(String permName, String pkgName) { 2221 synchronized (mPackages) { 2222 PackageParser.Package p = mPackages.get(pkgName); 2223 if (p != null && p.mExtras != null) { 2224 PackageSetting ps = (PackageSetting)p.mExtras; 2225 if (ps.sharedUser != null) { 2226 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2227 return PackageManager.PERMISSION_GRANTED; 2228 } 2229 } else if (ps.grantedPermissions.contains(permName)) { 2230 return PackageManager.PERMISSION_GRANTED; 2231 } 2232 } 2233 } 2234 return PackageManager.PERMISSION_DENIED; 2235 } 2236 2237 public int checkUidPermission(String permName, int uid) { 2238 synchronized (mPackages) { 2239 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2240 if (obj != null) { 2241 GrantedPermissions gp = (GrantedPermissions)obj; 2242 if (gp.grantedPermissions.contains(permName)) { 2243 return PackageManager.PERMISSION_GRANTED; 2244 } 2245 } else { 2246 HashSet<String> perms = mSystemPermissions.get(uid); 2247 if (perms != null && perms.contains(permName)) { 2248 return PackageManager.PERMISSION_GRANTED; 2249 } 2250 } 2251 } 2252 return PackageManager.PERMISSION_DENIED; 2253 } 2254 2255 /** 2256 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2257 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2258 * @param message the message to log on security exception 2259 * @return 2260 */ 2261 private void enforceCrossUserPermission(int callingUid, int userId, 2262 boolean requireFullPermission, String message) { 2263 if (userId < 0) { 2264 throw new IllegalArgumentException("Invalid userId " + userId); 2265 } 2266 if (userId == UserHandle.getUserId(callingUid)) return; 2267 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2268 if (requireFullPermission) { 2269 mContext.enforceCallingOrSelfPermission( 2270 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2271 } else { 2272 try { 2273 mContext.enforceCallingOrSelfPermission( 2274 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2275 } catch (SecurityException se) { 2276 mContext.enforceCallingOrSelfPermission( 2277 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2278 } 2279 } 2280 } 2281 } 2282 2283 private BasePermission findPermissionTreeLP(String permName) { 2284 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2285 if (permName.startsWith(bp.name) && 2286 permName.length() > bp.name.length() && 2287 permName.charAt(bp.name.length()) == '.') { 2288 return bp; 2289 } 2290 } 2291 return null; 2292 } 2293 2294 private BasePermission checkPermissionTreeLP(String permName) { 2295 if (permName != null) { 2296 BasePermission bp = findPermissionTreeLP(permName); 2297 if (bp != null) { 2298 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2299 return bp; 2300 } 2301 throw new SecurityException("Calling uid " 2302 + Binder.getCallingUid() 2303 + " is not allowed to add to permission tree " 2304 + bp.name + " owned by uid " + bp.uid); 2305 } 2306 } 2307 throw new SecurityException("No permission tree found for " + permName); 2308 } 2309 2310 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2311 if (s1 == null) { 2312 return s2 == null; 2313 } 2314 if (s2 == null) { 2315 return false; 2316 } 2317 if (s1.getClass() != s2.getClass()) { 2318 return false; 2319 } 2320 return s1.equals(s2); 2321 } 2322 2323 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2324 if (pi1.icon != pi2.icon) return false; 2325 if (pi1.logo != pi2.logo) return false; 2326 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2327 if (!compareStrings(pi1.name, pi2.name)) return false; 2328 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2329 // We'll take care of setting this one. 2330 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2331 // These are not currently stored in settings. 2332 //if (!compareStrings(pi1.group, pi2.group)) return false; 2333 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2334 //if (pi1.labelRes != pi2.labelRes) return false; 2335 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2336 return true; 2337 } 2338 2339 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2340 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2341 throw new SecurityException("Label must be specified in permission"); 2342 } 2343 BasePermission tree = checkPermissionTreeLP(info.name); 2344 BasePermission bp = mSettings.mPermissions.get(info.name); 2345 boolean added = bp == null; 2346 boolean changed = true; 2347 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2348 if (added) { 2349 bp = new BasePermission(info.name, tree.sourcePackage, 2350 BasePermission.TYPE_DYNAMIC); 2351 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2352 throw new SecurityException( 2353 "Not allowed to modify non-dynamic permission " 2354 + info.name); 2355 } else { 2356 if (bp.protectionLevel == fixedLevel 2357 && bp.perm.owner.equals(tree.perm.owner) 2358 && bp.uid == tree.uid 2359 && comparePermissionInfos(bp.perm.info, info)) { 2360 changed = false; 2361 } 2362 } 2363 bp.protectionLevel = fixedLevel; 2364 info = new PermissionInfo(info); 2365 info.protectionLevel = fixedLevel; 2366 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2367 bp.perm.info.packageName = tree.perm.info.packageName; 2368 bp.uid = tree.uid; 2369 if (added) { 2370 mSettings.mPermissions.put(info.name, bp); 2371 } 2372 if (changed) { 2373 if (!async) { 2374 mSettings.writeLPr(); 2375 } else { 2376 scheduleWriteSettingsLocked(); 2377 } 2378 } 2379 return added; 2380 } 2381 2382 public boolean addPermission(PermissionInfo info) { 2383 synchronized (mPackages) { 2384 return addPermissionLocked(info, false); 2385 } 2386 } 2387 2388 public boolean addPermissionAsync(PermissionInfo info) { 2389 synchronized (mPackages) { 2390 return addPermissionLocked(info, true); 2391 } 2392 } 2393 2394 public void removePermission(String name) { 2395 synchronized (mPackages) { 2396 checkPermissionTreeLP(name); 2397 BasePermission bp = mSettings.mPermissions.get(name); 2398 if (bp != null) { 2399 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2400 throw new SecurityException( 2401 "Not allowed to modify non-dynamic permission " 2402 + name); 2403 } 2404 mSettings.mPermissions.remove(name); 2405 mSettings.writeLPr(); 2406 } 2407 } 2408 } 2409 2410 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2411 int index = pkg.requestedPermissions.indexOf(bp.name); 2412 if (index == -1) { 2413 throw new SecurityException("Package " + pkg.packageName 2414 + " has not requested permission " + bp.name); 2415 } 2416 boolean isNormal = 2417 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2418 == PermissionInfo.PROTECTION_NORMAL); 2419 boolean isDangerous = 2420 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2421 == PermissionInfo.PROTECTION_DANGEROUS); 2422 boolean isDevelopment = 2423 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2424 2425 if (!isNormal && !isDangerous && !isDevelopment) { 2426 throw new SecurityException("Permission " + bp.name 2427 + " is not a changeable permission type"); 2428 } 2429 2430 if (isNormal || isDangerous) { 2431 if (pkg.requestedPermissionsRequired.get(index)) { 2432 throw new SecurityException("Can't change " + bp.name 2433 + ". It is required by the application"); 2434 } 2435 } 2436 } 2437 2438 public void grantPermission(String packageName, String permissionName) { 2439 mContext.enforceCallingOrSelfPermission( 2440 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2441 synchronized (mPackages) { 2442 final PackageParser.Package pkg = mPackages.get(packageName); 2443 if (pkg == null) { 2444 throw new IllegalArgumentException("Unknown package: " + packageName); 2445 } 2446 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2447 if (bp == null) { 2448 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2449 } 2450 2451 checkGrantRevokePermissions(pkg, bp); 2452 2453 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2454 if (ps == null) { 2455 return; 2456 } 2457 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2458 if (gp.grantedPermissions.add(permissionName)) { 2459 if (ps.haveGids) { 2460 gp.gids = appendInts(gp.gids, bp.gids); 2461 } 2462 mSettings.writeLPr(); 2463 } 2464 } 2465 } 2466 2467 public void revokePermission(String packageName, String permissionName) { 2468 int changedAppId = -1; 2469 2470 synchronized (mPackages) { 2471 final PackageParser.Package pkg = mPackages.get(packageName); 2472 if (pkg == null) { 2473 throw new IllegalArgumentException("Unknown package: " + packageName); 2474 } 2475 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2476 mContext.enforceCallingOrSelfPermission( 2477 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2478 } 2479 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2480 if (bp == null) { 2481 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2482 } 2483 2484 checkGrantRevokePermissions(pkg, bp); 2485 2486 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2487 if (ps == null) { 2488 return; 2489 } 2490 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2491 if (gp.grantedPermissions.remove(permissionName)) { 2492 gp.grantedPermissions.remove(permissionName); 2493 if (ps.haveGids) { 2494 gp.gids = removeInts(gp.gids, bp.gids); 2495 } 2496 mSettings.writeLPr(); 2497 changedAppId = ps.appId; 2498 } 2499 } 2500 2501 if (changedAppId >= 0) { 2502 // We changed the perm on someone, kill its processes. 2503 IActivityManager am = ActivityManagerNative.getDefault(); 2504 if (am != null) { 2505 final int callingUserId = UserHandle.getCallingUserId(); 2506 final long ident = Binder.clearCallingIdentity(); 2507 try { 2508 //XXX we should only revoke for the calling user's app permissions, 2509 // but for now we impact all users. 2510 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2511 // "revoke " + permissionName); 2512 int[] users = sUserManager.getUserIds(); 2513 for (int user : users) { 2514 am.killUid(UserHandle.getUid(user, changedAppId), 2515 "revoke " + permissionName); 2516 } 2517 } catch (RemoteException e) { 2518 } finally { 2519 Binder.restoreCallingIdentity(ident); 2520 } 2521 } 2522 } 2523 } 2524 2525 public boolean isProtectedBroadcast(String actionName) { 2526 synchronized (mPackages) { 2527 return mProtectedBroadcasts.contains(actionName); 2528 } 2529 } 2530 2531 public int checkSignatures(String pkg1, String pkg2) { 2532 synchronized (mPackages) { 2533 final PackageParser.Package p1 = mPackages.get(pkg1); 2534 final PackageParser.Package p2 = mPackages.get(pkg2); 2535 if (p1 == null || p1.mExtras == null 2536 || p2 == null || p2.mExtras == null) { 2537 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2538 } 2539 return compareSignatures(p1.mSignatures, p2.mSignatures); 2540 } 2541 } 2542 2543 public int checkUidSignatures(int uid1, int uid2) { 2544 // Map to base uids. 2545 uid1 = UserHandle.getAppId(uid1); 2546 uid2 = UserHandle.getAppId(uid2); 2547 // reader 2548 synchronized (mPackages) { 2549 Signature[] s1; 2550 Signature[] s2; 2551 Object obj = mSettings.getUserIdLPr(uid1); 2552 if (obj != null) { 2553 if (obj instanceof SharedUserSetting) { 2554 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2555 } else if (obj instanceof PackageSetting) { 2556 s1 = ((PackageSetting)obj).signatures.mSignatures; 2557 } else { 2558 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2559 } 2560 } else { 2561 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2562 } 2563 obj = mSettings.getUserIdLPr(uid2); 2564 if (obj != null) { 2565 if (obj instanceof SharedUserSetting) { 2566 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2567 } else if (obj instanceof PackageSetting) { 2568 s2 = ((PackageSetting)obj).signatures.mSignatures; 2569 } else { 2570 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2571 } 2572 } else { 2573 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2574 } 2575 return compareSignatures(s1, s2); 2576 } 2577 } 2578 2579 /** 2580 * Compares two sets of signatures. Returns: 2581 * <br /> 2582 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2583 * <br /> 2584 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2585 * <br /> 2586 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2587 * <br /> 2588 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2589 * <br /> 2590 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2591 */ 2592 static int compareSignatures(Signature[] s1, Signature[] s2) { 2593 if (s1 == null) { 2594 return s2 == null 2595 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2596 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2597 } 2598 2599 if (s2 == null) { 2600 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2601 } 2602 2603 if (s1.length != s2.length) { 2604 return PackageManager.SIGNATURE_NO_MATCH; 2605 } 2606 2607 // Since both signature sets are of size 1, we can compare without HashSets. 2608 if (s1.length == 1) { 2609 return s1[0].equals(s2[0]) ? 2610 PackageManager.SIGNATURE_MATCH : 2611 PackageManager.SIGNATURE_NO_MATCH; 2612 } 2613 2614 HashSet<Signature> set1 = new HashSet<Signature>(); 2615 for (Signature sig : s1) { 2616 set1.add(sig); 2617 } 2618 HashSet<Signature> set2 = new HashSet<Signature>(); 2619 for (Signature sig : s2) { 2620 set2.add(sig); 2621 } 2622 // Make sure s2 contains all signatures in s1. 2623 if (set1.equals(set2)) { 2624 return PackageManager.SIGNATURE_MATCH; 2625 } 2626 return PackageManager.SIGNATURE_NO_MATCH; 2627 } 2628 2629 public String[] getPackagesForUid(int uid) { 2630 uid = UserHandle.getAppId(uid); 2631 // reader 2632 synchronized (mPackages) { 2633 Object obj = mSettings.getUserIdLPr(uid); 2634 if (obj instanceof SharedUserSetting) { 2635 final SharedUserSetting sus = (SharedUserSetting) obj; 2636 final int N = sus.packages.size(); 2637 final String[] res = new String[N]; 2638 final Iterator<PackageSetting> it = sus.packages.iterator(); 2639 int i = 0; 2640 while (it.hasNext()) { 2641 res[i++] = it.next().name; 2642 } 2643 return res; 2644 } else if (obj instanceof PackageSetting) { 2645 final PackageSetting ps = (PackageSetting) obj; 2646 return new String[] { ps.name }; 2647 } 2648 } 2649 return null; 2650 } 2651 2652 public String getNameForUid(int uid) { 2653 // reader 2654 synchronized (mPackages) { 2655 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2656 if (obj instanceof SharedUserSetting) { 2657 final SharedUserSetting sus = (SharedUserSetting) obj; 2658 return sus.name + ":" + sus.userId; 2659 } else if (obj instanceof PackageSetting) { 2660 final PackageSetting ps = (PackageSetting) obj; 2661 return ps.name; 2662 } 2663 } 2664 return null; 2665 } 2666 2667 public int getUidForSharedUser(String sharedUserName) { 2668 if(sharedUserName == null) { 2669 return -1; 2670 } 2671 // reader 2672 synchronized (mPackages) { 2673 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2674 if (suid == null) { 2675 return -1; 2676 } 2677 return suid.userId; 2678 } 2679 } 2680 2681 public int getFlagsForUid(int uid) { 2682 synchronized (mPackages) { 2683 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2684 if (obj instanceof SharedUserSetting) { 2685 final SharedUserSetting sus = (SharedUserSetting) obj; 2686 return sus.pkgFlags; 2687 } else if (obj instanceof PackageSetting) { 2688 final PackageSetting ps = (PackageSetting) obj; 2689 return ps.pkgFlags; 2690 } 2691 } 2692 return 0; 2693 } 2694 2695 @Override 2696 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2697 int flags, int userId) { 2698 if (!sUserManager.exists(userId)) return null; 2699 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent"); 2700 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2701 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2702 } 2703 2704 @Override 2705 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2706 IntentFilter filter, int match, ComponentName activity) { 2707 final int userId = UserHandle.getCallingUserId(); 2708 if (DEBUG_PREFERRED) { 2709 Log.v(TAG, "setLastChosenActivity intent=" + intent 2710 + " resolvedType=" + resolvedType 2711 + " flags=" + flags 2712 + " filter=" + filter 2713 + " match=" + match 2714 + " activity=" + activity); 2715 filter.dump(new PrintStreamPrinter(System.out), " "); 2716 } 2717 intent.setComponent(null); 2718 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2719 // Find any earlier preferred or last chosen entries and nuke them 2720 findPreferredActivity(intent, resolvedType, 2721 flags, query, 0, false, true, false, userId); 2722 // Add the new activity as the last chosen for this filter 2723 addPreferredActivityInternal(filter, match, null, activity, false, userId); 2724 } 2725 2726 @Override 2727 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 2728 final int userId = UserHandle.getCallingUserId(); 2729 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 2730 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2731 return findPreferredActivity(intent, resolvedType, flags, query, 0, 2732 false, false, false, userId); 2733 } 2734 2735 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 2736 int flags, List<ResolveInfo> query, int userId) { 2737 if (query != null) { 2738 final int N = query.size(); 2739 if (N == 1) { 2740 return query.get(0); 2741 } else if (N > 1) { 2742 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 2743 // If there is more than one activity with the same priority, 2744 // then let the user decide between them. 2745 ResolveInfo r0 = query.get(0); 2746 ResolveInfo r1 = query.get(1); 2747 if (DEBUG_INTENT_MATCHING || debug) { 2748 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 2749 + r1.activityInfo.name + "=" + r1.priority); 2750 } 2751 // If the first activity has a higher priority, or a different 2752 // default, then it is always desireable to pick it. 2753 if (r0.priority != r1.priority 2754 || r0.preferredOrder != r1.preferredOrder 2755 || r0.isDefault != r1.isDefault) { 2756 return query.get(0); 2757 } 2758 // If we have saved a preference for a preferred activity for 2759 // this Intent, use that. 2760 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 2761 flags, query, r0.priority, true, false, debug, userId); 2762 if (ri != null) { 2763 return ri; 2764 } 2765 if (userId != 0) { 2766 ri = new ResolveInfo(mResolveInfo); 2767 ri.activityInfo = new ActivityInfo(ri.activityInfo); 2768 ri.activityInfo.applicationInfo = new ApplicationInfo( 2769 ri.activityInfo.applicationInfo); 2770 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 2771 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 2772 return ri; 2773 } 2774 return mResolveInfo; 2775 } 2776 } 2777 return null; 2778 } 2779 2780 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 2781 int flags, List<ResolveInfo> query, boolean debug, int userId) { 2782 final int N = query.size(); 2783 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 2784 .get(userId); 2785 // Get the list of persistent preferred activities that handle the intent 2786 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 2787 List<PersistentPreferredActivity> pprefs = ppir != null 2788 ? ppir.queryIntent(intent, resolvedType, 2789 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2790 : null; 2791 if (pprefs != null && pprefs.size() > 0) { 2792 final int M = pprefs.size(); 2793 for (int i=0; i<M; i++) { 2794 final PersistentPreferredActivity ppa = pprefs.get(i); 2795 if (DEBUG_PREFERRED || debug) { 2796 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 2797 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 2798 + "\n component=" + ppa.mComponent); 2799 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2800 } 2801 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 2802 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2803 if (DEBUG_PREFERRED || debug) { 2804 Slog.v(TAG, "Found persistent preferred activity:"); 2805 if (ai != null) { 2806 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2807 } else { 2808 Slog.v(TAG, " null"); 2809 } 2810 } 2811 if (ai == null) { 2812 // This previously registered persistent preferred activity 2813 // component is no longer known. Ignore it and do NOT remove it. 2814 continue; 2815 } 2816 for (int j=0; j<N; j++) { 2817 final ResolveInfo ri = query.get(j); 2818 if (!ri.activityInfo.applicationInfo.packageName 2819 .equals(ai.applicationInfo.packageName)) { 2820 continue; 2821 } 2822 if (!ri.activityInfo.name.equals(ai.name)) { 2823 continue; 2824 } 2825 // Found a persistent preference that can handle the intent. 2826 if (DEBUG_PREFERRED || debug) { 2827 Slog.v(TAG, "Returning persistent preferred activity: " + 2828 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2829 } 2830 return ri; 2831 } 2832 } 2833 } 2834 return null; 2835 } 2836 2837 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 2838 List<ResolveInfo> query, int priority, boolean always, 2839 boolean removeMatches, boolean debug, int userId) { 2840 if (!sUserManager.exists(userId)) return null; 2841 // writer 2842 synchronized (mPackages) { 2843 if (intent.getSelector() != null) { 2844 intent = intent.getSelector(); 2845 } 2846 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 2847 2848 // Try to find a matching persistent preferred activity. 2849 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 2850 debug, userId); 2851 2852 // If a persistent preferred activity matched, use it. 2853 if (pri != null) { 2854 return pri; 2855 } 2856 2857 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 2858 // Get the list of preferred activities that handle the intent 2859 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 2860 List<PreferredActivity> prefs = pir != null 2861 ? pir.queryIntent(intent, resolvedType, 2862 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 2863 : null; 2864 if (prefs != null && prefs.size() > 0) { 2865 // First figure out how good the original match set is. 2866 // We will only allow preferred activities that came 2867 // from the same match quality. 2868 int match = 0; 2869 2870 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 2871 2872 final int N = query.size(); 2873 for (int j=0; j<N; j++) { 2874 final ResolveInfo ri = query.get(j); 2875 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 2876 + ": 0x" + Integer.toHexString(match)); 2877 if (ri.match > match) { 2878 match = ri.match; 2879 } 2880 } 2881 2882 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 2883 + Integer.toHexString(match)); 2884 2885 match &= IntentFilter.MATCH_CATEGORY_MASK; 2886 final int M = prefs.size(); 2887 for (int i=0; i<M; i++) { 2888 final PreferredActivity pa = prefs.get(i); 2889 if (DEBUG_PREFERRED || debug) { 2890 Slog.v(TAG, "Checking PreferredActivity ds=" 2891 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 2892 + "\n component=" + pa.mPref.mComponent); 2893 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2894 } 2895 if (pa.mPref.mMatch != match) { 2896 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 2897 + Integer.toHexString(pa.mPref.mMatch)); 2898 continue; 2899 } 2900 // If it's not an "always" type preferred activity and that's what we're 2901 // looking for, skip it. 2902 if (always && !pa.mPref.mAlways) { 2903 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 2904 continue; 2905 } 2906 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 2907 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 2908 if (DEBUG_PREFERRED || debug) { 2909 Slog.v(TAG, "Found preferred activity:"); 2910 if (ai != null) { 2911 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 2912 } else { 2913 Slog.v(TAG, " null"); 2914 } 2915 } 2916 if (ai == null) { 2917 // This previously registered preferred activity 2918 // component is no longer known. Most likely an update 2919 // to the app was installed and in the new version this 2920 // component no longer exists. Clean it up by removing 2921 // it from the preferred activities list, and skip it. 2922 Slog.w(TAG, "Removing dangling preferred activity: " 2923 + pa.mPref.mComponent); 2924 pir.removeFilter(pa); 2925 continue; 2926 } 2927 for (int j=0; j<N; j++) { 2928 final ResolveInfo ri = query.get(j); 2929 if (!ri.activityInfo.applicationInfo.packageName 2930 .equals(ai.applicationInfo.packageName)) { 2931 continue; 2932 } 2933 if (!ri.activityInfo.name.equals(ai.name)) { 2934 continue; 2935 } 2936 2937 if (removeMatches) { 2938 pir.removeFilter(pa); 2939 if (DEBUG_PREFERRED) { 2940 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 2941 } 2942 break; 2943 } 2944 2945 // Okay we found a previously set preferred or last chosen app. 2946 // If the result set is different from when this 2947 // was created, we need to clear it and re-ask the 2948 // user their preference, if we're looking for an "always" type entry. 2949 if (always && !pa.mPref.sameSet(query, priority)) { 2950 Slog.i(TAG, "Result set changed, dropping preferred activity for " 2951 + intent + " type " + resolvedType); 2952 if (DEBUG_PREFERRED) { 2953 Slog.v(TAG, "Removing preferred activity since set changed " 2954 + pa.mPref.mComponent); 2955 } 2956 pir.removeFilter(pa); 2957 // Re-add the filter as a "last chosen" entry (!always) 2958 PreferredActivity lastChosen = new PreferredActivity( 2959 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 2960 pir.addFilter(lastChosen); 2961 mSettings.writePackageRestrictionsLPr(userId); 2962 return null; 2963 } 2964 2965 // Yay! Either the set matched or we're looking for the last chosen 2966 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 2967 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 2968 mSettings.writePackageRestrictionsLPr(userId); 2969 return ri; 2970 } 2971 } 2972 } 2973 mSettings.writePackageRestrictionsLPr(userId); 2974 } 2975 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 2976 return null; 2977 } 2978 2979 @Override 2980 public List<ResolveInfo> queryIntentActivities(Intent intent, 2981 String resolvedType, int flags, int userId) { 2982 if (!sUserManager.exists(userId)) return Collections.emptyList(); 2983 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities"); 2984 ComponentName comp = intent.getComponent(); 2985 if (comp == null) { 2986 if (intent.getSelector() != null) { 2987 intent = intent.getSelector(); 2988 comp = intent.getComponent(); 2989 } 2990 } 2991 2992 if (comp != null) { 2993 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 2994 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 2995 if (ai != null) { 2996 final ResolveInfo ri = new ResolveInfo(); 2997 ri.activityInfo = ai; 2998 list.add(ri); 2999 } 3000 return list; 3001 } 3002 3003 // reader 3004 synchronized (mPackages) { 3005 final String pkgName = intent.getPackage(); 3006 if (pkgName == null) { 3007 return mActivities.queryIntent(intent, resolvedType, flags, userId); 3008 } 3009 final PackageParser.Package pkg = mPackages.get(pkgName); 3010 if (pkg != null) { 3011 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3012 pkg.activities, userId); 3013 } 3014 return new ArrayList<ResolveInfo>(); 3015 } 3016 } 3017 3018 @Override 3019 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3020 Intent[] specifics, String[] specificTypes, Intent intent, 3021 String resolvedType, int flags, int userId) { 3022 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3023 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3024 "query intent activity options"); 3025 final String resultsAction = intent.getAction(); 3026 3027 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3028 | PackageManager.GET_RESOLVED_FILTER, userId); 3029 3030 if (DEBUG_INTENT_MATCHING) { 3031 Log.v(TAG, "Query " + intent + ": " + results); 3032 } 3033 3034 int specificsPos = 0; 3035 int N; 3036 3037 // todo: note that the algorithm used here is O(N^2). This 3038 // isn't a problem in our current environment, but if we start running 3039 // into situations where we have more than 5 or 10 matches then this 3040 // should probably be changed to something smarter... 3041 3042 // First we go through and resolve each of the specific items 3043 // that were supplied, taking care of removing any corresponding 3044 // duplicate items in the generic resolve list. 3045 if (specifics != null) { 3046 for (int i=0; i<specifics.length; i++) { 3047 final Intent sintent = specifics[i]; 3048 if (sintent == null) { 3049 continue; 3050 } 3051 3052 if (DEBUG_INTENT_MATCHING) { 3053 Log.v(TAG, "Specific #" + i + ": " + sintent); 3054 } 3055 3056 String action = sintent.getAction(); 3057 if (resultsAction != null && resultsAction.equals(action)) { 3058 // If this action was explicitly requested, then don't 3059 // remove things that have it. 3060 action = null; 3061 } 3062 3063 ResolveInfo ri = null; 3064 ActivityInfo ai = null; 3065 3066 ComponentName comp = sintent.getComponent(); 3067 if (comp == null) { 3068 ri = resolveIntent( 3069 sintent, 3070 specificTypes != null ? specificTypes[i] : null, 3071 flags, userId); 3072 if (ri == null) { 3073 continue; 3074 } 3075 if (ri == mResolveInfo) { 3076 // ACK! Must do something better with this. 3077 } 3078 ai = ri.activityInfo; 3079 comp = new ComponentName(ai.applicationInfo.packageName, 3080 ai.name); 3081 } else { 3082 ai = getActivityInfo(comp, flags, userId); 3083 if (ai == null) { 3084 continue; 3085 } 3086 } 3087 3088 // Look for any generic query activities that are duplicates 3089 // of this specific one, and remove them from the results. 3090 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3091 N = results.size(); 3092 int j; 3093 for (j=specificsPos; j<N; j++) { 3094 ResolveInfo sri = results.get(j); 3095 if ((sri.activityInfo.name.equals(comp.getClassName()) 3096 && sri.activityInfo.applicationInfo.packageName.equals( 3097 comp.getPackageName())) 3098 || (action != null && sri.filter.matchAction(action))) { 3099 results.remove(j); 3100 if (DEBUG_INTENT_MATCHING) Log.v( 3101 TAG, "Removing duplicate item from " + j 3102 + " due to specific " + specificsPos); 3103 if (ri == null) { 3104 ri = sri; 3105 } 3106 j--; 3107 N--; 3108 } 3109 } 3110 3111 // Add this specific item to its proper place. 3112 if (ri == null) { 3113 ri = new ResolveInfo(); 3114 ri.activityInfo = ai; 3115 } 3116 results.add(specificsPos, ri); 3117 ri.specificIndex = i; 3118 specificsPos++; 3119 } 3120 } 3121 3122 // Now we go through the remaining generic results and remove any 3123 // duplicate actions that are found here. 3124 N = results.size(); 3125 for (int i=specificsPos; i<N-1; i++) { 3126 final ResolveInfo rii = results.get(i); 3127 if (rii.filter == null) { 3128 continue; 3129 } 3130 3131 // Iterate over all of the actions of this result's intent 3132 // filter... typically this should be just one. 3133 final Iterator<String> it = rii.filter.actionsIterator(); 3134 if (it == null) { 3135 continue; 3136 } 3137 while (it.hasNext()) { 3138 final String action = it.next(); 3139 if (resultsAction != null && resultsAction.equals(action)) { 3140 // If this action was explicitly requested, then don't 3141 // remove things that have it. 3142 continue; 3143 } 3144 for (int j=i+1; j<N; j++) { 3145 final ResolveInfo rij = results.get(j); 3146 if (rij.filter != null && rij.filter.hasAction(action)) { 3147 results.remove(j); 3148 if (DEBUG_INTENT_MATCHING) Log.v( 3149 TAG, "Removing duplicate item from " + j 3150 + " due to action " + action + " at " + i); 3151 j--; 3152 N--; 3153 } 3154 } 3155 } 3156 3157 // If the caller didn't request filter information, drop it now 3158 // so we don't have to marshall/unmarshall it. 3159 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3160 rii.filter = null; 3161 } 3162 } 3163 3164 // Filter out the caller activity if so requested. 3165 if (caller != null) { 3166 N = results.size(); 3167 for (int i=0; i<N; i++) { 3168 ActivityInfo ainfo = results.get(i).activityInfo; 3169 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3170 && caller.getClassName().equals(ainfo.name)) { 3171 results.remove(i); 3172 break; 3173 } 3174 } 3175 } 3176 3177 // If the caller didn't request filter information, 3178 // drop them now so we don't have to 3179 // marshall/unmarshall it. 3180 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3181 N = results.size(); 3182 for (int i=0; i<N; i++) { 3183 results.get(i).filter = null; 3184 } 3185 } 3186 3187 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3188 return results; 3189 } 3190 3191 @Override 3192 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3193 int userId) { 3194 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3195 ComponentName comp = intent.getComponent(); 3196 if (comp == null) { 3197 if (intent.getSelector() != null) { 3198 intent = intent.getSelector(); 3199 comp = intent.getComponent(); 3200 } 3201 } 3202 if (comp != null) { 3203 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3204 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3205 if (ai != null) { 3206 ResolveInfo ri = new ResolveInfo(); 3207 ri.activityInfo = ai; 3208 list.add(ri); 3209 } 3210 return list; 3211 } 3212 3213 // reader 3214 synchronized (mPackages) { 3215 String pkgName = intent.getPackage(); 3216 if (pkgName == null) { 3217 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3218 } 3219 final PackageParser.Package pkg = mPackages.get(pkgName); 3220 if (pkg != null) { 3221 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3222 userId); 3223 } 3224 return null; 3225 } 3226 } 3227 3228 @Override 3229 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3230 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3231 if (!sUserManager.exists(userId)) return null; 3232 if (query != null) { 3233 if (query.size() >= 1) { 3234 // If there is more than one service with the same priority, 3235 // just arbitrarily pick the first one. 3236 return query.get(0); 3237 } 3238 } 3239 return null; 3240 } 3241 3242 @Override 3243 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3244 int userId) { 3245 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3246 ComponentName comp = intent.getComponent(); 3247 if (comp == null) { 3248 if (intent.getSelector() != null) { 3249 intent = intent.getSelector(); 3250 comp = intent.getComponent(); 3251 } 3252 } 3253 if (comp != null) { 3254 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3255 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3256 if (si != null) { 3257 final ResolveInfo ri = new ResolveInfo(); 3258 ri.serviceInfo = si; 3259 list.add(ri); 3260 } 3261 return list; 3262 } 3263 3264 // reader 3265 synchronized (mPackages) { 3266 String pkgName = intent.getPackage(); 3267 if (pkgName == null) { 3268 return mServices.queryIntent(intent, resolvedType, flags, userId); 3269 } 3270 final PackageParser.Package pkg = mPackages.get(pkgName); 3271 if (pkg != null) { 3272 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3273 userId); 3274 } 3275 return null; 3276 } 3277 } 3278 3279 @Override 3280 public List<ResolveInfo> queryIntentContentProviders( 3281 Intent intent, String resolvedType, int flags, int userId) { 3282 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3283 ComponentName comp = intent.getComponent(); 3284 if (comp == null) { 3285 if (intent.getSelector() != null) { 3286 intent = intent.getSelector(); 3287 comp = intent.getComponent(); 3288 } 3289 } 3290 if (comp != null) { 3291 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3292 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3293 if (pi != null) { 3294 final ResolveInfo ri = new ResolveInfo(); 3295 ri.providerInfo = pi; 3296 list.add(ri); 3297 } 3298 return list; 3299 } 3300 3301 // reader 3302 synchronized (mPackages) { 3303 String pkgName = intent.getPackage(); 3304 if (pkgName == null) { 3305 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3306 } 3307 final PackageParser.Package pkg = mPackages.get(pkgName); 3308 if (pkg != null) { 3309 return mProviders.queryIntentForPackage( 3310 intent, resolvedType, flags, pkg.providers, userId); 3311 } 3312 return null; 3313 } 3314 } 3315 3316 @Override 3317 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3318 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3319 3320 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages"); 3321 3322 // writer 3323 synchronized (mPackages) { 3324 ArrayList<PackageInfo> list; 3325 if (listUninstalled) { 3326 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3327 for (PackageSetting ps : mSettings.mPackages.values()) { 3328 PackageInfo pi; 3329 if (ps.pkg != null) { 3330 pi = generatePackageInfo(ps.pkg, flags, userId); 3331 } else { 3332 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3333 } 3334 if (pi != null) { 3335 list.add(pi); 3336 } 3337 } 3338 } else { 3339 list = new ArrayList<PackageInfo>(mPackages.size()); 3340 for (PackageParser.Package p : mPackages.values()) { 3341 PackageInfo pi = generatePackageInfo(p, flags, userId); 3342 if (pi != null) { 3343 list.add(pi); 3344 } 3345 } 3346 } 3347 3348 return new ParceledListSlice<PackageInfo>(list); 3349 } 3350 } 3351 3352 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3353 String[] permissions, boolean[] tmp, int flags, int userId) { 3354 int numMatch = 0; 3355 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3356 for (int i=0; i<permissions.length; i++) { 3357 if (gp.grantedPermissions.contains(permissions[i])) { 3358 tmp[i] = true; 3359 numMatch++; 3360 } else { 3361 tmp[i] = false; 3362 } 3363 } 3364 if (numMatch == 0) { 3365 return; 3366 } 3367 PackageInfo pi; 3368 if (ps.pkg != null) { 3369 pi = generatePackageInfo(ps.pkg, flags, userId); 3370 } else { 3371 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3372 } 3373 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3374 if (numMatch == permissions.length) { 3375 pi.requestedPermissions = permissions; 3376 } else { 3377 pi.requestedPermissions = new String[numMatch]; 3378 numMatch = 0; 3379 for (int i=0; i<permissions.length; i++) { 3380 if (tmp[i]) { 3381 pi.requestedPermissions[numMatch] = permissions[i]; 3382 numMatch++; 3383 } 3384 } 3385 } 3386 } 3387 list.add(pi); 3388 } 3389 3390 @Override 3391 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3392 String[] permissions, int flags, int userId) { 3393 if (!sUserManager.exists(userId)) return null; 3394 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3395 3396 // writer 3397 synchronized (mPackages) { 3398 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3399 boolean[] tmpBools = new boolean[permissions.length]; 3400 if (listUninstalled) { 3401 for (PackageSetting ps : mSettings.mPackages.values()) { 3402 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3403 } 3404 } else { 3405 for (PackageParser.Package pkg : mPackages.values()) { 3406 PackageSetting ps = (PackageSetting)pkg.mExtras; 3407 if (ps != null) { 3408 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3409 userId); 3410 } 3411 } 3412 } 3413 3414 return new ParceledListSlice<PackageInfo>(list); 3415 } 3416 } 3417 3418 @Override 3419 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3420 if (!sUserManager.exists(userId)) return null; 3421 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3422 3423 // writer 3424 synchronized (mPackages) { 3425 ArrayList<ApplicationInfo> list; 3426 if (listUninstalled) { 3427 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3428 for (PackageSetting ps : mSettings.mPackages.values()) { 3429 ApplicationInfo ai; 3430 if (ps.pkg != null) { 3431 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3432 ps.readUserState(userId), userId); 3433 } else { 3434 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3435 } 3436 if (ai != null) { 3437 list.add(ai); 3438 } 3439 } 3440 } else { 3441 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3442 for (PackageParser.Package p : mPackages.values()) { 3443 if (p.mExtras != null) { 3444 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3445 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3446 if (ai != null) { 3447 list.add(ai); 3448 } 3449 } 3450 } 3451 } 3452 3453 return new ParceledListSlice<ApplicationInfo>(list); 3454 } 3455 } 3456 3457 public List<ApplicationInfo> getPersistentApplications(int flags) { 3458 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3459 3460 // reader 3461 synchronized (mPackages) { 3462 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3463 final int userId = UserHandle.getCallingUserId(); 3464 while (i.hasNext()) { 3465 final PackageParser.Package p = i.next(); 3466 if (p.applicationInfo != null 3467 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3468 && (!mSafeMode || isSystemApp(p))) { 3469 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3470 if (ps != null) { 3471 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3472 ps.readUserState(userId), userId); 3473 if (ai != null) { 3474 finalList.add(ai); 3475 } 3476 } 3477 } 3478 } 3479 } 3480 3481 return finalList; 3482 } 3483 3484 @Override 3485 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3486 if (!sUserManager.exists(userId)) return null; 3487 // reader 3488 synchronized (mPackages) { 3489 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3490 PackageSetting ps = provider != null 3491 ? mSettings.mPackages.get(provider.owner.packageName) 3492 : null; 3493 return ps != null 3494 && mSettings.isEnabledLPr(provider.info, flags, userId) 3495 && (!mSafeMode || (provider.info.applicationInfo.flags 3496 &ApplicationInfo.FLAG_SYSTEM) != 0) 3497 ? PackageParser.generateProviderInfo(provider, flags, 3498 ps.readUserState(userId), userId) 3499 : null; 3500 } 3501 } 3502 3503 /** 3504 * @deprecated 3505 */ 3506 @Deprecated 3507 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3508 // reader 3509 synchronized (mPackages) { 3510 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3511 .entrySet().iterator(); 3512 final int userId = UserHandle.getCallingUserId(); 3513 while (i.hasNext()) { 3514 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3515 PackageParser.Provider p = entry.getValue(); 3516 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3517 3518 if (ps != null && p.syncable 3519 && (!mSafeMode || (p.info.applicationInfo.flags 3520 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3521 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3522 ps.readUserState(userId), userId); 3523 if (info != null) { 3524 outNames.add(entry.getKey()); 3525 outInfo.add(info); 3526 } 3527 } 3528 } 3529 } 3530 } 3531 3532 public List<ProviderInfo> queryContentProviders(String processName, 3533 int uid, int flags) { 3534 ArrayList<ProviderInfo> finalList = null; 3535 // reader 3536 synchronized (mPackages) { 3537 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3538 final int userId = processName != null ? 3539 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3540 while (i.hasNext()) { 3541 final PackageParser.Provider p = i.next(); 3542 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3543 if (ps != null && p.info.authority != null 3544 && (processName == null 3545 || (p.info.processName.equals(processName) 3546 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3547 && mSettings.isEnabledLPr(p.info, flags, userId) 3548 && (!mSafeMode 3549 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3550 if (finalList == null) { 3551 finalList = new ArrayList<ProviderInfo>(3); 3552 } 3553 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3554 ps.readUserState(userId), userId); 3555 if (info != null) { 3556 finalList.add(info); 3557 } 3558 } 3559 } 3560 } 3561 3562 if (finalList != null) { 3563 Collections.sort(finalList, mProviderInitOrderSorter); 3564 } 3565 3566 return finalList; 3567 } 3568 3569 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3570 int flags) { 3571 // reader 3572 synchronized (mPackages) { 3573 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3574 return PackageParser.generateInstrumentationInfo(i, flags); 3575 } 3576 } 3577 3578 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 3579 int flags) { 3580 ArrayList<InstrumentationInfo> finalList = 3581 new ArrayList<InstrumentationInfo>(); 3582 3583 // reader 3584 synchronized (mPackages) { 3585 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 3586 while (i.hasNext()) { 3587 final PackageParser.Instrumentation p = i.next(); 3588 if (targetPackage == null 3589 || targetPackage.equals(p.info.targetPackage)) { 3590 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 3591 flags); 3592 if (ii != null) { 3593 finalList.add(ii); 3594 } 3595 } 3596 } 3597 } 3598 3599 return finalList; 3600 } 3601 3602 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 3603 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 3604 if (overlays == null) { 3605 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 3606 return; 3607 } 3608 for (PackageParser.Package opkg : overlays.values()) { 3609 // Not much to do if idmap fails: we already logged the error 3610 // and we certainly don't want to abort installation of pkg simply 3611 // because an overlay didn't fit properly. For these reasons, 3612 // ignore the return value of createIdmapForPackagePairLI. 3613 createIdmapForPackagePairLI(pkg, opkg); 3614 } 3615 } 3616 3617 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 3618 PackageParser.Package opkg) { 3619 if (!opkg.mTrustedOverlay) { 3620 Slog.w(TAG, "Skipping target and overlay pair " + pkg.mScanPath + " and " + 3621 opkg.mScanPath + ": overlay not trusted"); 3622 return false; 3623 } 3624 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 3625 if (overlaySet == null) { 3626 Slog.e(TAG, "was about to create idmap for " + pkg.mScanPath + " and " + 3627 opkg.mScanPath + " but target package has no known overlays"); 3628 return false; 3629 } 3630 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 3631 if (mInstaller.idmap(pkg.mScanPath, opkg.mScanPath, sharedGid) != 0) { 3632 Slog.e(TAG, "Failed to generate idmap for " + pkg.mScanPath + " and " + opkg.mScanPath); 3633 return false; 3634 } 3635 PackageParser.Package[] overlayArray = 3636 overlaySet.values().toArray(new PackageParser.Package[0]); 3637 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 3638 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 3639 return p1.mOverlayPriority - p2.mOverlayPriority; 3640 } 3641 }; 3642 Arrays.sort(overlayArray, cmp); 3643 3644 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 3645 int i = 0; 3646 for (PackageParser.Package p : overlayArray) { 3647 pkg.applicationInfo.resourceDirs[i++] = p.applicationInfo.sourceDir; 3648 } 3649 return true; 3650 } 3651 3652 private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { 3653 String[] files = dir.list(); 3654 if (files == null) { 3655 Log.d(TAG, "No files in app dir " + dir); 3656 return; 3657 } 3658 3659 if (DEBUG_PACKAGE_SCANNING) { 3660 Log.d(TAG, "Scanning app dir " + dir + " scanMode=" + scanMode 3661 + " flags=0x" + Integer.toHexString(flags)); 3662 } 3663 3664 int i; 3665 for (i=0; i<files.length; i++) { 3666 File file = new File(dir, files[i]); 3667 if (!isPackageFilename(files[i])) { 3668 // Ignore entries which are not apk's 3669 continue; 3670 } 3671 PackageParser.Package pkg = scanPackageLI(file, 3672 flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime, null); 3673 // Don't mess around with apps in system partition. 3674 if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && 3675 mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { 3676 // Delete the apk 3677 Slog.w(TAG, "Cleaning up failed install of " + file); 3678 file.delete(); 3679 } 3680 } 3681 } 3682 3683 private static File getSettingsProblemFile() { 3684 File dataDir = Environment.getDataDirectory(); 3685 File systemDir = new File(dataDir, "system"); 3686 File fname = new File(systemDir, "uiderrors.txt"); 3687 return fname; 3688 } 3689 3690 static void reportSettingsProblem(int priority, String msg) { 3691 try { 3692 File fname = getSettingsProblemFile(); 3693 FileOutputStream out = new FileOutputStream(fname, true); 3694 PrintWriter pw = new FastPrintWriter(out); 3695 SimpleDateFormat formatter = new SimpleDateFormat(); 3696 String dateString = formatter.format(new Date(System.currentTimeMillis())); 3697 pw.println(dateString + ": " + msg); 3698 pw.close(); 3699 FileUtils.setPermissions( 3700 fname.toString(), 3701 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 3702 -1, -1); 3703 } catch (java.io.IOException e) { 3704 } 3705 Slog.println(priority, TAG, msg); 3706 } 3707 3708 private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, 3709 PackageParser.Package pkg, File srcFile, int parseFlags) { 3710 if (GET_CERTIFICATES) { 3711 if (ps != null 3712 && ps.codePath.equals(srcFile) 3713 && ps.timeStamp == srcFile.lastModified()) { 3714 if (ps.signatures.mSignatures != null 3715 && ps.signatures.mSignatures.length != 0) { 3716 // Optimization: reuse the existing cached certificates 3717 // if the package appears to be unchanged. 3718 pkg.mSignatures = ps.signatures.mSignatures; 3719 return true; 3720 } 3721 3722 Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); 3723 } else { 3724 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 3725 } 3726 3727 if (!pp.collectCertificates(pkg, parseFlags)) { 3728 mLastScanError = pp.getParseError(); 3729 return false; 3730 } 3731 } 3732 return true; 3733 } 3734 3735 /* 3736 * Scan a package and return the newly parsed package. 3737 * Returns null in case of errors and the error code is stored in mLastScanError 3738 */ 3739 private PackageParser.Package scanPackageLI(File scanFile, 3740 int parseFlags, int scanMode, long currentTime, UserHandle user) { 3741 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 3742 String scanPath = scanFile.getPath(); 3743 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanPath); 3744 parseFlags |= mDefParseFlags; 3745 PackageParser pp = new PackageParser(scanPath); 3746 pp.setSeparateProcesses(mSeparateProcesses); 3747 pp.setOnlyCoreApps(mOnlyCore); 3748 final PackageParser.Package pkg = pp.parsePackage(scanFile, 3749 scanPath, mMetrics, parseFlags, (scanMode & SCAN_TRUSTED_OVERLAY) != 0); 3750 3751 if (pkg == null) { 3752 mLastScanError = pp.getParseError(); 3753 return null; 3754 } 3755 3756 PackageSetting ps = null; 3757 PackageSetting updatedPkg; 3758 // reader 3759 synchronized (mPackages) { 3760 // Look to see if we already know about this package. 3761 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 3762 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 3763 // This package has been renamed to its original name. Let's 3764 // use that. 3765 ps = mSettings.peekPackageLPr(oldName); 3766 } 3767 // If there was no original package, see one for the real package name. 3768 if (ps == null) { 3769 ps = mSettings.peekPackageLPr(pkg.packageName); 3770 } 3771 // Check to see if this package could be hiding/updating a system 3772 // package. Must look for it either under the original or real 3773 // package name depending on our state. 3774 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 3775 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 3776 } 3777 boolean updatedPkgBetter = false; 3778 // First check if this is a system package that may involve an update 3779 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 3780 if (ps != null && !ps.codePath.equals(scanFile)) { 3781 // The path has changed from what was last scanned... check the 3782 // version of the new path against what we have stored to determine 3783 // what to do. 3784 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 3785 if (pkg.mVersionCode < ps.versionCode) { 3786 // The system package has been updated and the code path does not match 3787 // Ignore entry. Skip it. 3788 Log.i(TAG, "Package " + ps.name + " at " + scanFile 3789 + " ignored: updated version " + ps.versionCode 3790 + " better than this " + pkg.mVersionCode); 3791 if (!updatedPkg.codePath.equals(scanFile)) { 3792 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 3793 + ps.name + " changing from " + updatedPkg.codePathString 3794 + " to " + scanFile); 3795 updatedPkg.codePath = scanFile; 3796 updatedPkg.codePathString = scanFile.toString(); 3797 // This is the point at which we know that the system-disk APK 3798 // for this package has moved during a reboot (e.g. due to an OTA), 3799 // so we need to reevaluate it for privilege policy. 3800 if (locationIsPrivileged(scanFile)) { 3801 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 3802 } 3803 } 3804 updatedPkg.pkg = pkg; 3805 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 3806 return null; 3807 } else { 3808 // The current app on the system partion is better than 3809 // what we have updated to on the data partition; switch 3810 // back to the system partition version. 3811 // At this point, its safely assumed that package installation for 3812 // apps in system partition will go through. If not there won't be a working 3813 // version of the app 3814 // writer 3815 synchronized (mPackages) { 3816 // Just remove the loaded entries from package lists. 3817 mPackages.remove(ps.name); 3818 } 3819 Slog.w(TAG, "Package " + ps.name + " at " + scanFile 3820 + "reverting from " + ps.codePathString 3821 + ": new version " + pkg.mVersionCode 3822 + " better than installed " + ps.versionCode); 3823 3824 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3825 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3826 synchronized (mInstallLock) { 3827 args.cleanUpResourcesLI(); 3828 } 3829 synchronized (mPackages) { 3830 mSettings.enableSystemPackageLPw(ps.name); 3831 } 3832 updatedPkgBetter = true; 3833 } 3834 } 3835 } 3836 3837 if (updatedPkg != null) { 3838 // An updated system app will not have the PARSE_IS_SYSTEM flag set 3839 // initially 3840 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 3841 3842 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 3843 // flag set initially 3844 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 3845 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 3846 } 3847 } 3848 // Verify certificates against what was last scanned 3849 if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { 3850 Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); 3851 return null; 3852 } 3853 3854 /* 3855 * A new system app appeared, but we already had a non-system one of the 3856 * same name installed earlier. 3857 */ 3858 boolean shouldHideSystemApp = false; 3859 if (updatedPkg == null && ps != null 3860 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 3861 /* 3862 * Check to make sure the signatures match first. If they don't, 3863 * wipe the installed application and its data. 3864 */ 3865 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 3866 != PackageManager.SIGNATURE_MATCH) { 3867 if (DEBUG_INSTALL) Slog.d(TAG, "Signature mismatch!"); 3868 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 3869 ps = null; 3870 } else { 3871 /* 3872 * If the newly-added system app is an older version than the 3873 * already installed version, hide it. It will be scanned later 3874 * and re-added like an update. 3875 */ 3876 if (pkg.mVersionCode < ps.versionCode) { 3877 shouldHideSystemApp = true; 3878 } else { 3879 /* 3880 * The newly found system app is a newer version that the 3881 * one previously installed. Simply remove the 3882 * already-installed application and replace it with our own 3883 * while keeping the application data. 3884 */ 3885 Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " 3886 + ps.codePathString + ": new version " + pkg.mVersionCode 3887 + " better than installed " + ps.versionCode); 3888 InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps), 3889 ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); 3890 synchronized (mInstallLock) { 3891 args.cleanUpResourcesLI(); 3892 } 3893 } 3894 } 3895 } 3896 3897 // The apk is forward locked (not public) if its code and resources 3898 // are kept in different files. (except for app in either system or 3899 // vendor path). 3900 // TODO grab this value from PackageSettings 3901 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 3902 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 3903 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 3904 } 3905 } 3906 3907 String codePath = null; 3908 String resPath = null; 3909 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 3910 if (ps != null && ps.resourcePathString != null) { 3911 resPath = ps.resourcePathString; 3912 } else { 3913 // Should not happen at all. Just log an error. 3914 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 3915 } 3916 } else { 3917 resPath = pkg.mScanPath; 3918 } 3919 3920 codePath = pkg.mScanPath; 3921 // Set application objects path explicitly. 3922 setApplicationInfoPaths(pkg, codePath, resPath); 3923 // Note that we invoke the following method only if we are about to unpack an application 3924 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode 3925 | SCAN_UPDATE_SIGNATURE, currentTime, user); 3926 3927 /* 3928 * If the system app should be overridden by a previously installed 3929 * data, hide the system app now and let the /data/app scan pick it up 3930 * again. 3931 */ 3932 if (shouldHideSystemApp) { 3933 synchronized (mPackages) { 3934 /* 3935 * We have to grant systems permissions before we hide, because 3936 * grantPermissions will assume the package update is trying to 3937 * expand its permissions. 3938 */ 3939 grantPermissionsLPw(pkg, true); 3940 mSettings.disableSystemPackageLPw(pkg.packageName); 3941 } 3942 } 3943 3944 return scannedPkg; 3945 } 3946 3947 private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, 3948 String destResPath) { 3949 pkg.mPath = pkg.mScanPath = destCodePath; 3950 pkg.applicationInfo.sourceDir = destCodePath; 3951 pkg.applicationInfo.publicSourceDir = destResPath; 3952 } 3953 3954 private static String fixProcessName(String defProcessName, 3955 String processName, int uid) { 3956 if (processName == null) { 3957 return defProcessName; 3958 } 3959 return processName; 3960 } 3961 3962 private boolean verifySignaturesLP(PackageSetting pkgSetting, 3963 PackageParser.Package pkg) { 3964 if (pkgSetting.signatures.mSignatures != null) { 3965 // Already existing package. Make sure signatures match 3966 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != 3967 PackageManager.SIGNATURE_MATCH) { 3968 Slog.e(TAG, "Package " + pkg.packageName 3969 + " signatures do not match the previously installed version; ignoring!"); 3970 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 3971 return false; 3972 } 3973 } 3974 // Check for shared user signatures 3975 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 3976 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 3977 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 3978 Slog.e(TAG, "Package " + pkg.packageName 3979 + " has no signatures that match those in shared user " 3980 + pkgSetting.sharedUser.name + "; ignoring!"); 3981 mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 3982 return false; 3983 } 3984 } 3985 return true; 3986 } 3987 3988 /** 3989 * Enforces that only the system UID or root's UID can call a method exposed 3990 * via Binder. 3991 * 3992 * @param message used as message if SecurityException is thrown 3993 * @throws SecurityException if the caller is not system or root 3994 */ 3995 private static final void enforceSystemOrRoot(String message) { 3996 final int uid = Binder.getCallingUid(); 3997 if (uid != Process.SYSTEM_UID && uid != 0) { 3998 throw new SecurityException(message); 3999 } 4000 } 4001 4002 public void performBootDexOpt() { 4003 HashSet<PackageParser.Package> pkgs = null; 4004 synchronized (mPackages) { 4005 pkgs = mDeferredDexOpt; 4006 mDeferredDexOpt = null; 4007 } 4008 if (pkgs != null) { 4009 int i = 0; 4010 for (PackageParser.Package pkg : pkgs) { 4011 if (!isFirstBoot()) { 4012 i++; 4013 try { 4014 ActivityManagerNative.getDefault().showBootMessage( 4015 mContext.getResources().getString( 4016 com.android.internal.R.string.android_upgrading_apk, 4017 i, pkgs.size()), true); 4018 } catch (RemoteException e) { 4019 } 4020 } 4021 PackageParser.Package p = pkg; 4022 synchronized (mInstallLock) { 4023 if (!p.mDidDexOpt) { 4024 performDexOptLI(p, false, false, true); 4025 } 4026 } 4027 } 4028 } 4029 } 4030 4031 public boolean performDexOpt(String packageName) { 4032 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4033 4034 if (!mNoDexOpt) { 4035 return false; 4036 } 4037 4038 PackageParser.Package p; 4039 synchronized (mPackages) { 4040 p = mPackages.get(packageName); 4041 if (p == null || p.mDidDexOpt) { 4042 return false; 4043 } 4044 } 4045 synchronized (mInstallLock) { 4046 return performDexOptLI(p, false, false, true) == DEX_OPT_PERFORMED; 4047 } 4048 } 4049 4050 private void performDexOptLibsLI(ArrayList<String> libs, boolean forceDex, boolean defer, 4051 HashSet<String> done) { 4052 for (int i=0; i<libs.size(); i++) { 4053 PackageParser.Package libPkg; 4054 String libName; 4055 synchronized (mPackages) { 4056 libName = libs.get(i); 4057 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4058 if (lib != null && lib.apk != null) { 4059 libPkg = mPackages.get(lib.apk); 4060 } else { 4061 libPkg = null; 4062 } 4063 } 4064 if (libPkg != null && !done.contains(libName)) { 4065 performDexOptLI(libPkg, forceDex, defer, done); 4066 } 4067 } 4068 } 4069 4070 static final int DEX_OPT_SKIPPED = 0; 4071 static final int DEX_OPT_PERFORMED = 1; 4072 static final int DEX_OPT_DEFERRED = 2; 4073 static final int DEX_OPT_FAILED = -1; 4074 4075 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4076 HashSet<String> done) { 4077 boolean performed = false; 4078 if (done != null) { 4079 done.add(pkg.packageName); 4080 if (pkg.usesLibraries != null) { 4081 performDexOptLibsLI(pkg.usesLibraries, forceDex, defer, done); 4082 } 4083 if (pkg.usesOptionalLibraries != null) { 4084 performDexOptLibsLI(pkg.usesOptionalLibraries, forceDex, defer, done); 4085 } 4086 } 4087 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 4088 String path = pkg.mScanPath; 4089 int ret = 0; 4090 try { 4091 if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { 4092 if (!forceDex && defer) { 4093 if (mDeferredDexOpt == null) { 4094 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4095 } 4096 mDeferredDexOpt.add(pkg); 4097 return DEX_OPT_DEFERRED; 4098 } else { 4099 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4100 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4101 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg)); 4102 pkg.mDidDexOpt = true; 4103 performed = true; 4104 } 4105 } 4106 } catch (FileNotFoundException e) { 4107 Slog.w(TAG, "Apk not found for dexopt: " + path); 4108 ret = -1; 4109 } catch (IOException e) { 4110 Slog.w(TAG, "IOException reading apk: " + path, e); 4111 ret = -1; 4112 } catch (dalvik.system.StaleDexCacheError e) { 4113 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4114 ret = -1; 4115 } catch (Exception e) { 4116 Slog.w(TAG, "Exception when doing dexopt : ", e); 4117 ret = -1; 4118 } 4119 if (ret < 0) { 4120 //error from installer 4121 return DEX_OPT_FAILED; 4122 } 4123 } 4124 4125 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4126 } 4127 4128 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4129 boolean inclDependencies) { 4130 HashSet<String> done; 4131 boolean performed = false; 4132 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4133 done = new HashSet<String>(); 4134 done.add(pkg.packageName); 4135 } else { 4136 done = null; 4137 } 4138 return performDexOptLI(pkg, forceDex, defer, done); 4139 } 4140 4141 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4142 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4143 Slog.w(TAG, "Unable to update from " + oldPkg.name 4144 + " to " + newPkg.packageName 4145 + ": old package not in system partition"); 4146 return false; 4147 } else if (mPackages.get(oldPkg.name) != null) { 4148 Slog.w(TAG, "Unable to update from " + oldPkg.name 4149 + " to " + newPkg.packageName 4150 + ": old package still exists"); 4151 return false; 4152 } 4153 return true; 4154 } 4155 4156 File getDataPathForUser(int userId) { 4157 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4158 } 4159 4160 private File getDataPathForPackage(String packageName, int userId) { 4161 /* 4162 * Until we fully support multiple users, return the directory we 4163 * previously would have. The PackageManagerTests will need to be 4164 * revised when this is changed back.. 4165 */ 4166 if (userId == 0) { 4167 return new File(mAppDataDir, packageName); 4168 } else { 4169 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4170 + File.separator + packageName); 4171 } 4172 } 4173 4174 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4175 int[] users = sUserManager.getUserIds(); 4176 int res = mInstaller.install(packageName, uid, uid, seinfo); 4177 if (res < 0) { 4178 return res; 4179 } 4180 for (int user : users) { 4181 if (user != 0) { 4182 res = mInstaller.createUserData(packageName, 4183 UserHandle.getUid(user, uid), user, seinfo); 4184 if (res < 0) { 4185 return res; 4186 } 4187 } 4188 } 4189 return res; 4190 } 4191 4192 private int removeDataDirsLI(String packageName) { 4193 int[] users = sUserManager.getUserIds(); 4194 int res = 0; 4195 for (int user : users) { 4196 int resInner = mInstaller.remove(packageName, user); 4197 if (resInner < 0) { 4198 res = resInner; 4199 } 4200 } 4201 4202 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4203 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4204 if (!nativeLibraryFile.delete()) { 4205 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4206 } 4207 4208 return res; 4209 } 4210 4211 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4212 PackageParser.Package changingLib) { 4213 if (file.path != null) { 4214 mTmpSharedLibraries[num] = file.path; 4215 return num+1; 4216 } 4217 PackageParser.Package p = mPackages.get(file.apk); 4218 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4219 // If we are doing this while in the middle of updating a library apk, 4220 // then we need to make sure to use that new apk for determining the 4221 // dependencies here. (We haven't yet finished committing the new apk 4222 // to the package manager state.) 4223 if (p == null || p.packageName.equals(changingLib.packageName)) { 4224 p = changingLib; 4225 } 4226 } 4227 if (p != null) { 4228 String path = p.mPath; 4229 for (int i=0; i<num; i++) { 4230 if (mTmpSharedLibraries[i].equals(path)) { 4231 return num; 4232 } 4233 } 4234 mTmpSharedLibraries[num] = p.mPath; 4235 return num+1; 4236 } 4237 return num; 4238 } 4239 4240 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4241 PackageParser.Package changingLib) { 4242 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4243 if (mTmpSharedLibraries == null || 4244 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4245 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4246 } 4247 int num = 0; 4248 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4249 for (int i=0; i<N; i++) { 4250 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4251 if (file == null) { 4252 Slog.e(TAG, "Package " + pkg.packageName 4253 + " requires unavailable shared library " 4254 + pkg.usesLibraries.get(i) + "; failing!"); 4255 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4256 return false; 4257 } 4258 num = addSharedLibraryLPw(file, num, changingLib); 4259 } 4260 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4261 for (int i=0; i<N; i++) { 4262 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4263 if (file == null) { 4264 Slog.w(TAG, "Package " + pkg.packageName 4265 + " desires unavailable shared library " 4266 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4267 } else { 4268 num = addSharedLibraryLPw(file, num, changingLib); 4269 } 4270 } 4271 if (num > 0) { 4272 pkg.usesLibraryFiles = new String[num]; 4273 System.arraycopy(mTmpSharedLibraries, 0, 4274 pkg.usesLibraryFiles, 0, num); 4275 } else { 4276 pkg.usesLibraryFiles = null; 4277 } 4278 } 4279 return true; 4280 } 4281 4282 private static boolean hasString(List<String> list, List<String> which) { 4283 if (list == null) { 4284 return false; 4285 } 4286 for (int i=list.size()-1; i>=0; i--) { 4287 for (int j=which.size()-1; j>=0; j--) { 4288 if (which.get(j).equals(list.get(i))) { 4289 return true; 4290 } 4291 } 4292 } 4293 return false; 4294 } 4295 4296 private void updateAllSharedLibrariesLPw() { 4297 for (PackageParser.Package pkg : mPackages.values()) { 4298 updateSharedLibrariesLPw(pkg, null); 4299 } 4300 } 4301 4302 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4303 PackageParser.Package changingPkg) { 4304 ArrayList<PackageParser.Package> res = null; 4305 for (PackageParser.Package pkg : mPackages.values()) { 4306 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4307 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4308 if (res == null) { 4309 res = new ArrayList<PackageParser.Package>(); 4310 } 4311 res.add(pkg); 4312 updateSharedLibrariesLPw(pkg, changingPkg); 4313 } 4314 } 4315 return res; 4316 } 4317 4318 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4319 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4320 File scanFile = new File(pkg.mScanPath); 4321 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4322 pkg.applicationInfo.publicSourceDir == null) { 4323 // Bail out. The resource and code paths haven't been set. 4324 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4325 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4326 return null; 4327 } 4328 4329 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4330 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4331 } 4332 4333 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4334 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4335 } 4336 4337 if (mCustomResolverComponentName != null && 4338 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4339 setUpCustomResolverActivity(pkg); 4340 } 4341 4342 if (pkg.packageName.equals("android")) { 4343 synchronized (mPackages) { 4344 if (mAndroidApplication != null) { 4345 Slog.w(TAG, "*************************************************"); 4346 Slog.w(TAG, "Core android package being redefined. Skipping."); 4347 Slog.w(TAG, " file=" + scanFile); 4348 Slog.w(TAG, "*************************************************"); 4349 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4350 return null; 4351 } 4352 4353 // Set up information for our fall-back user intent resolution activity. 4354 mPlatformPackage = pkg; 4355 pkg.mVersionCode = mSdkVersion; 4356 mAndroidApplication = pkg.applicationInfo; 4357 4358 if (!mResolverReplaced) { 4359 mResolveActivity.applicationInfo = mAndroidApplication; 4360 mResolveActivity.name = ResolverActivity.class.getName(); 4361 mResolveActivity.packageName = mAndroidApplication.packageName; 4362 mResolveActivity.processName = "system:ui"; 4363 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4364 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4365 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4366 mResolveActivity.exported = true; 4367 mResolveActivity.enabled = true; 4368 mResolveInfo.activityInfo = mResolveActivity; 4369 mResolveInfo.priority = 0; 4370 mResolveInfo.preferredOrder = 0; 4371 mResolveInfo.match = 0; 4372 mResolveComponentName = new ComponentName( 4373 mAndroidApplication.packageName, mResolveActivity.name); 4374 } 4375 } 4376 } 4377 4378 if (DEBUG_PACKAGE_SCANNING) { 4379 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4380 Log.d(TAG, "Scanning package " + pkg.packageName); 4381 } 4382 4383 if (mPackages.containsKey(pkg.packageName) 4384 || mSharedLibraries.containsKey(pkg.packageName)) { 4385 Slog.w(TAG, "Application package " + pkg.packageName 4386 + " already installed. Skipping duplicate."); 4387 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4388 return null; 4389 } 4390 4391 // Initialize package source and resource directories 4392 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4393 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4394 4395 SharedUserSetting suid = null; 4396 PackageSetting pkgSetting = null; 4397 4398 if (!isSystemApp(pkg)) { 4399 // Only system apps can use these features. 4400 pkg.mOriginalPackages = null; 4401 pkg.mRealPackage = null; 4402 pkg.mAdoptPermissions = null; 4403 } 4404 4405 // writer 4406 synchronized (mPackages) { 4407 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4408 // Check all shared libraries and map to their actual file path. 4409 // We only do this here for apps not on a system dir, because those 4410 // are the only ones that can fail an install due to this. We 4411 // will take care of the system apps by updating all of their 4412 // library paths after the scan is done. 4413 if (!updateSharedLibrariesLPw(pkg, null)) { 4414 return null; 4415 } 4416 } 4417 4418 if (pkg.mSharedUserId != null) { 4419 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4420 if (suid == null) { 4421 Slog.w(TAG, "Creating application package " + pkg.packageName 4422 + " for shared user failed"); 4423 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4424 return null; 4425 } 4426 if (DEBUG_PACKAGE_SCANNING) { 4427 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4428 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4429 + "): packages=" + suid.packages); 4430 } 4431 } 4432 4433 // Check if we are renaming from an original package name. 4434 PackageSetting origPackage = null; 4435 String realName = null; 4436 if (pkg.mOriginalPackages != null) { 4437 // This package may need to be renamed to a previously 4438 // installed name. Let's check on that... 4439 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4440 if (pkg.mOriginalPackages.contains(renamed)) { 4441 // This package had originally been installed as the 4442 // original name, and we have already taken care of 4443 // transitioning to the new one. Just update the new 4444 // one to continue using the old name. 4445 realName = pkg.mRealPackage; 4446 if (!pkg.packageName.equals(renamed)) { 4447 // Callers into this function may have already taken 4448 // care of renaming the package; only do it here if 4449 // it is not already done. 4450 pkg.setPackageName(renamed); 4451 } 4452 4453 } else { 4454 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4455 if ((origPackage = mSettings.peekPackageLPr( 4456 pkg.mOriginalPackages.get(i))) != null) { 4457 // We do have the package already installed under its 4458 // original name... should we use it? 4459 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4460 // New package is not compatible with original. 4461 origPackage = null; 4462 continue; 4463 } else if (origPackage.sharedUser != null) { 4464 // Make sure uid is compatible between packages. 4465 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4466 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4467 + " to " + pkg.packageName + ": old uid " 4468 + origPackage.sharedUser.name 4469 + " differs from " + pkg.mSharedUserId); 4470 origPackage = null; 4471 continue; 4472 } 4473 } else { 4474 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4475 + pkg.packageName + " to old name " + origPackage.name); 4476 } 4477 break; 4478 } 4479 } 4480 } 4481 } 4482 4483 if (mTransferedPackages.contains(pkg.packageName)) { 4484 Slog.w(TAG, "Package " + pkg.packageName 4485 + " was transferred to another, but its .apk remains"); 4486 } 4487 4488 // Just create the setting, don't add it yet. For already existing packages 4489 // the PkgSetting exists already and doesn't have to be created. 4490 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4491 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4492 pkg.applicationInfo.flags, user, false); 4493 if (pkgSetting == null) { 4494 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4495 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4496 return null; 4497 } 4498 4499 if (pkgSetting.origPackage != null) { 4500 // If we are first transitioning from an original package, 4501 // fix up the new package's name now. We need to do this after 4502 // looking up the package under its new name, so getPackageLP 4503 // can take care of fiddling things correctly. 4504 pkg.setPackageName(origPackage.name); 4505 4506 // File a report about this. 4507 String msg = "New package " + pkgSetting.realName 4508 + " renamed to replace old package " + pkgSetting.name; 4509 reportSettingsProblem(Log.WARN, msg); 4510 4511 // Make a note of it. 4512 mTransferedPackages.add(origPackage.name); 4513 4514 // No longer need to retain this. 4515 pkgSetting.origPackage = null; 4516 } 4517 4518 if (realName != null) { 4519 // Make a note of it. 4520 mTransferedPackages.add(pkg.packageName); 4521 } 4522 4523 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4524 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4525 } 4526 4527 if (mFoundPolicyFile) { 4528 SELinuxMMAC.assignSeinfoValue(pkg); 4529 } 4530 4531 pkg.applicationInfo.uid = pkgSetting.appId; 4532 pkg.mExtras = pkgSetting; 4533 4534 if (!verifySignaturesLP(pkgSetting, pkg)) { 4535 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4536 return null; 4537 } 4538 // The signature has changed, but this package is in the system 4539 // image... let's recover! 4540 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4541 // However... if this package is part of a shared user, but it 4542 // doesn't match the signature of the shared user, let's fail. 4543 // What this means is that you can't change the signatures 4544 // associated with an overall shared user, which doesn't seem all 4545 // that unreasonable. 4546 if (pkgSetting.sharedUser != null) { 4547 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4548 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4549 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4550 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4551 return null; 4552 } 4553 } 4554 // File a report about this. 4555 String msg = "System package " + pkg.packageName 4556 + " signature changed; retaining data."; 4557 reportSettingsProblem(Log.WARN, msg); 4558 } 4559 4560 // Verify that this new package doesn't have any content providers 4561 // that conflict with existing packages. Only do this if the 4562 // package isn't already installed, since we don't want to break 4563 // things that are installed. 4564 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4565 final int N = pkg.providers.size(); 4566 int i; 4567 for (i=0; i<N; i++) { 4568 PackageParser.Provider p = pkg.providers.get(i); 4569 if (p.info.authority != null) { 4570 String names[] = p.info.authority.split(";"); 4571 for (int j = 0; j < names.length; j++) { 4572 if (mProvidersByAuthority.containsKey(names[j])) { 4573 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4574 Slog.w(TAG, "Can't install because provider name " + names[j] + 4575 " (in package " + pkg.applicationInfo.packageName + 4576 ") is already used by " 4577 + ((other != null && other.getComponentName() != null) 4578 ? other.getComponentName().getPackageName() : "?")); 4579 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4580 return null; 4581 } 4582 } 4583 } 4584 } 4585 } 4586 4587 if (pkg.mAdoptPermissions != null) { 4588 // This package wants to adopt ownership of permissions from 4589 // another package. 4590 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4591 final String origName = pkg.mAdoptPermissions.get(i); 4592 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4593 if (orig != null) { 4594 if (verifyPackageUpdateLPr(orig, pkg)) { 4595 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4596 + pkg.packageName); 4597 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4598 } 4599 } 4600 } 4601 } 4602 } 4603 4604 final String pkgName = pkg.packageName; 4605 4606 final long scanFileTime = scanFile.lastModified(); 4607 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4608 pkg.applicationInfo.processName = fixProcessName( 4609 pkg.applicationInfo.packageName, 4610 pkg.applicationInfo.processName, 4611 pkg.applicationInfo.uid); 4612 4613 File dataPath; 4614 if (mPlatformPackage == pkg) { 4615 // The system package is special. 4616 dataPath = new File (Environment.getDataDirectory(), "system"); 4617 pkg.applicationInfo.dataDir = dataPath.getPath(); 4618 } else { 4619 // This is a normal package, need to make its data directory. 4620 dataPath = getDataPathForPackage(pkg.packageName, 0); 4621 4622 boolean uidError = false; 4623 4624 if (dataPath.exists()) { 4625 int currentUid = 0; 4626 try { 4627 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4628 currentUid = stat.st_uid; 4629 } catch (ErrnoException e) { 4630 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4631 } 4632 4633 // If we have mismatched owners for the data path, we have a problem. 4634 if (currentUid != pkg.applicationInfo.uid) { 4635 boolean recovered = false; 4636 if (currentUid == 0) { 4637 // The directory somehow became owned by root. Wow. 4638 // This is probably because the system was stopped while 4639 // installd was in the middle of messing with its libs 4640 // directory. Ask installd to fix that. 4641 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4642 pkg.applicationInfo.uid); 4643 if (ret >= 0) { 4644 recovered = true; 4645 String msg = "Package " + pkg.packageName 4646 + " unexpectedly changed to uid 0; recovered to " + 4647 + pkg.applicationInfo.uid; 4648 reportSettingsProblem(Log.WARN, msg); 4649 } 4650 } 4651 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4652 || (scanMode&SCAN_BOOTING) != 0)) { 4653 // If this is a system app, we can at least delete its 4654 // current data so the application will still work. 4655 int ret = removeDataDirsLI(pkgName); 4656 if (ret >= 0) { 4657 // TODO: Kill the processes first 4658 // Old data gone! 4659 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4660 ? "System package " : "Third party package "; 4661 String msg = prefix + pkg.packageName 4662 + " has changed from uid: " 4663 + currentUid + " to " 4664 + pkg.applicationInfo.uid + "; old data erased"; 4665 reportSettingsProblem(Log.WARN, msg); 4666 recovered = true; 4667 4668 // And now re-install the app. 4669 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4670 pkg.applicationInfo.seinfo); 4671 if (ret == -1) { 4672 // Ack should not happen! 4673 msg = prefix + pkg.packageName 4674 + " could not have data directory re-created after delete."; 4675 reportSettingsProblem(Log.WARN, msg); 4676 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4677 return null; 4678 } 4679 } 4680 if (!recovered) { 4681 mHasSystemUidErrors = true; 4682 } 4683 } else if (!recovered) { 4684 // If we allow this install to proceed, we will be broken. 4685 // Abort, abort! 4686 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4687 return null; 4688 } 4689 if (!recovered) { 4690 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4691 + pkg.applicationInfo.uid + "/fs_" 4692 + currentUid; 4693 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4694 String msg = "Package " + pkg.packageName 4695 + " has mismatched uid: " 4696 + currentUid + " on disk, " 4697 + pkg.applicationInfo.uid + " in settings"; 4698 // writer 4699 synchronized (mPackages) { 4700 mSettings.mReadMessages.append(msg); 4701 mSettings.mReadMessages.append('\n'); 4702 uidError = true; 4703 if (!pkgSetting.uidError) { 4704 reportSettingsProblem(Log.ERROR, msg); 4705 } 4706 } 4707 } 4708 } 4709 pkg.applicationInfo.dataDir = dataPath.getPath(); 4710 } else { 4711 if (DEBUG_PACKAGE_SCANNING) { 4712 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4713 Log.v(TAG, "Want this data dir: " + dataPath); 4714 } 4715 //invoke installer to do the actual installation 4716 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4717 pkg.applicationInfo.seinfo); 4718 if (ret < 0) { 4719 // Error from installer 4720 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4721 return null; 4722 } 4723 4724 if (dataPath.exists()) { 4725 pkg.applicationInfo.dataDir = dataPath.getPath(); 4726 } else { 4727 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4728 pkg.applicationInfo.dataDir = null; 4729 } 4730 } 4731 4732 /* 4733 * Set the data dir to the default "/data/data/<package name>/lib" 4734 * if we got here without anyone telling us different (e.g., apps 4735 * stored on SD card have their native libraries stored in the ASEC 4736 * container with the APK). 4737 * 4738 * This happens during an upgrade from a package settings file that 4739 * doesn't have a native library path attribute at all. 4740 */ 4741 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4742 if (pkgSetting.nativeLibraryPathString == null) { 4743 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4744 } else { 4745 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4746 } 4747 } 4748 4749 pkgSetting.uidError = uidError; 4750 } 4751 4752 String path = scanFile.getPath(); 4753 /* Note: We don't want to unpack the native binaries for 4754 * system applications, unless they have been updated 4755 * (the binaries are already under /system/lib). 4756 * Also, don't unpack libs for apps on the external card 4757 * since they should have their libraries in the ASEC 4758 * container already. 4759 * 4760 * In other words, we're going to unpack the binaries 4761 * only for non-system apps and system app upgrades. 4762 */ 4763 if (pkg.applicationInfo.nativeLibraryDir != null) { 4764 try { 4765 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4766 final String dataPathString = dataPath.getCanonicalPath(); 4767 4768 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4769 /* 4770 * Upgrading from a previous version of the OS sometimes 4771 * leaves native libraries in the /data/data/<app>/lib 4772 * directory for system apps even when they shouldn't be. 4773 * Recent changes in the JNI library search path 4774 * necessitates we remove those to match previous behavior. 4775 */ 4776 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4777 Log.i(TAG, "removed obsolete native libraries for system package " 4778 + path); 4779 } 4780 } else { 4781 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4782 /* 4783 * Update native library dir if it starts with 4784 * /data/data 4785 */ 4786 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4787 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4788 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4789 } 4790 4791 try { 4792 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4793 Slog.e(TAG, "Unable to copy native libraries"); 4794 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4795 return null; 4796 } 4797 } catch (IOException e) { 4798 Slog.e(TAG, "Unable to copy native libraries", e); 4799 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4800 return null; 4801 } 4802 } 4803 4804 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4805 final int[] userIds = sUserManager.getUserIds(); 4806 synchronized (mInstallLock) { 4807 for (int userId : userIds) { 4808 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4809 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4810 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4811 + ")"); 4812 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4813 return null; 4814 } 4815 } 4816 } 4817 } 4818 } catch (IOException ioe) { 4819 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4820 } 4821 } 4822 pkg.mScanPath = path; 4823 4824 if ((scanMode&SCAN_NO_DEX) == 0) { 4825 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4826 == DEX_OPT_FAILED) { 4827 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4828 removeDataDirsLI(pkg.packageName); 4829 } 4830 4831 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4832 return null; 4833 } 4834 } 4835 4836 if (mFactoryTest && pkg.requestedPermissions.contains( 4837 android.Manifest.permission.FACTORY_TEST)) { 4838 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4839 } 4840 4841 ArrayList<PackageParser.Package> clientLibPkgs = null; 4842 4843 // writer 4844 synchronized (mPackages) { 4845 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4846 // Only system apps can add new shared libraries. 4847 if (pkg.libraryNames != null) { 4848 for (int i=0; i<pkg.libraryNames.size(); i++) { 4849 String name = pkg.libraryNames.get(i); 4850 boolean allowed = false; 4851 if (isUpdatedSystemApp(pkg)) { 4852 // New library entries can only be added through the 4853 // system image. This is important to get rid of a lot 4854 // of nasty edge cases: for example if we allowed a non- 4855 // system update of the app to add a library, then uninstalling 4856 // the update would make the library go away, and assumptions 4857 // we made such as through app install filtering would now 4858 // have allowed apps on the device which aren't compatible 4859 // with it. Better to just have the restriction here, be 4860 // conservative, and create many fewer cases that can negatively 4861 // impact the user experience. 4862 final PackageSetting sysPs = mSettings 4863 .getDisabledSystemPkgLPr(pkg.packageName); 4864 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4865 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4866 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4867 allowed = true; 4868 allowed = true; 4869 break; 4870 } 4871 } 4872 } 4873 } else { 4874 allowed = true; 4875 } 4876 if (allowed) { 4877 if (!mSharedLibraries.containsKey(name)) { 4878 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4879 pkg.packageName)); 4880 } else if (!name.equals(pkg.packageName)) { 4881 Slog.w(TAG, "Package " + pkg.packageName + " library " 4882 + name + " already exists; skipping"); 4883 } 4884 } else { 4885 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4886 + name + " that is not declared on system image; skipping"); 4887 } 4888 } 4889 if ((scanMode&SCAN_BOOTING) == 0) { 4890 // If we are not booting, we need to update any applications 4891 // that are clients of our shared library. If we are booting, 4892 // this will all be done once the scan is complete. 4893 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4894 } 4895 } 4896 } 4897 } 4898 4899 // We also need to dexopt any apps that are dependent on this library. Note that 4900 // if these fail, we should abort the install since installing the library will 4901 // result in some apps being broken. 4902 if (clientLibPkgs != null) { 4903 if ((scanMode&SCAN_NO_DEX) == 0) { 4904 for (int i=0; i<clientLibPkgs.size(); i++) { 4905 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4906 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4907 == DEX_OPT_FAILED) { 4908 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4909 removeDataDirsLI(pkg.packageName); 4910 } 4911 4912 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4913 return null; 4914 } 4915 } 4916 } 4917 } 4918 4919 // Request the ActivityManager to kill the process(only for existing packages) 4920 // so that we do not end up in a confused state while the user is still using the older 4921 // version of the application while the new one gets installed. 4922 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4923 // If the package lives in an asec, tell everyone that the container is going 4924 // away so they can clean up any references to its resources (which would prevent 4925 // vold from being able to unmount the asec) 4926 if (isForwardLocked(pkg) || isExternal(pkg)) { 4927 if (DEBUG_INSTALL) { 4928 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4929 } 4930 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4931 final ArrayList<String> pkgList = new ArrayList<String>(1); 4932 pkgList.add(pkg.applicationInfo.packageName); 4933 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4934 } 4935 4936 // Post the request that it be killed now that the going-away broadcast is en route 4937 killApplication(pkg.applicationInfo.packageName, 4938 pkg.applicationInfo.uid, "update pkg"); 4939 } 4940 4941 // Also need to kill any apps that are dependent on the library. 4942 if (clientLibPkgs != null) { 4943 for (int i=0; i<clientLibPkgs.size(); i++) { 4944 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4945 killApplication(clientPkg.applicationInfo.packageName, 4946 clientPkg.applicationInfo.uid, "update lib"); 4947 } 4948 } 4949 4950 // writer 4951 synchronized (mPackages) { 4952 // We don't expect installation to fail beyond this point, 4953 if ((scanMode&SCAN_MONITOR) != 0) { 4954 mAppDirs.put(pkg.mPath, pkg); 4955 } 4956 // Add the new setting to mSettings 4957 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4958 // Add the new setting to mPackages 4959 mPackages.put(pkg.applicationInfo.packageName, pkg); 4960 // Make sure we don't accidentally delete its data. 4961 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4962 while (iter.hasNext()) { 4963 PackageCleanItem item = iter.next(); 4964 if (pkgName.equals(item.packageName)) { 4965 iter.remove(); 4966 } 4967 } 4968 4969 // Take care of first install / last update times. 4970 if (currentTime != 0) { 4971 if (pkgSetting.firstInstallTime == 0) { 4972 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4973 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4974 pkgSetting.lastUpdateTime = currentTime; 4975 } 4976 } else if (pkgSetting.firstInstallTime == 0) { 4977 // We need *something*. Take time time stamp of the file. 4978 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4979 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4980 if (scanFileTime != pkgSetting.timeStamp) { 4981 // A package on the system image has changed; consider this 4982 // to be an update. 4983 pkgSetting.lastUpdateTime = scanFileTime; 4984 } 4985 } 4986 4987 // Add the package's KeySets to the global KeySetManager 4988 KeySetManager ksm = mSettings.mKeySetManager; 4989 try { 4990 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4991 if (pkg.mKeySetMapping != null) { 4992 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4993 if (entry.getValue() != null) { 4994 ksm.addDefinedKeySetToPackage(pkg.packageName, 4995 entry.getValue(), entry.getKey()); 4996 } 4997 } 4998 } 4999 } catch (NullPointerException e) { 5000 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5001 } catch (IllegalArgumentException e) { 5002 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5003 } 5004 5005 int N = pkg.providers.size(); 5006 StringBuilder r = null; 5007 int i; 5008 for (i=0; i<N; i++) { 5009 PackageParser.Provider p = pkg.providers.get(i); 5010 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5011 p.info.processName, pkg.applicationInfo.uid); 5012 mProviders.addProvider(p); 5013 p.syncable = p.info.isSyncable; 5014 if (p.info.authority != null) { 5015 String names[] = p.info.authority.split(";"); 5016 p.info.authority = null; 5017 for (int j = 0; j < names.length; j++) { 5018 if (j == 1 && p.syncable) { 5019 // We only want the first authority for a provider to possibly be 5020 // syncable, so if we already added this provider using a different 5021 // authority clear the syncable flag. We copy the provider before 5022 // changing it because the mProviders object contains a reference 5023 // to a provider that we don't want to change. 5024 // Only do this for the second authority since the resulting provider 5025 // object can be the same for all future authorities for this provider. 5026 p = new PackageParser.Provider(p); 5027 p.syncable = false; 5028 } 5029 if (!mProvidersByAuthority.containsKey(names[j])) { 5030 mProvidersByAuthority.put(names[j], p); 5031 if (p.info.authority == null) { 5032 p.info.authority = names[j]; 5033 } else { 5034 p.info.authority = p.info.authority + ";" + names[j]; 5035 } 5036 if (DEBUG_PACKAGE_SCANNING) { 5037 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5038 Log.d(TAG, "Registered content provider: " + names[j] 5039 + ", className = " + p.info.name + ", isSyncable = " 5040 + p.info.isSyncable); 5041 } 5042 } else { 5043 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5044 Slog.w(TAG, "Skipping provider name " + names[j] + 5045 " (in package " + pkg.applicationInfo.packageName + 5046 "): name already used by " 5047 + ((other != null && other.getComponentName() != null) 5048 ? other.getComponentName().getPackageName() : "?")); 5049 } 5050 } 5051 } 5052 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5053 if (r == null) { 5054 r = new StringBuilder(256); 5055 } else { 5056 r.append(' '); 5057 } 5058 r.append(p.info.name); 5059 } 5060 } 5061 if (r != null) { 5062 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5063 } 5064 5065 N = pkg.services.size(); 5066 r = null; 5067 for (i=0; i<N; i++) { 5068 PackageParser.Service s = pkg.services.get(i); 5069 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5070 s.info.processName, pkg.applicationInfo.uid); 5071 mServices.addService(s); 5072 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5073 if (r == null) { 5074 r = new StringBuilder(256); 5075 } else { 5076 r.append(' '); 5077 } 5078 r.append(s.info.name); 5079 } 5080 } 5081 if (r != null) { 5082 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5083 } 5084 5085 N = pkg.receivers.size(); 5086 r = null; 5087 for (i=0; i<N; i++) { 5088 PackageParser.Activity a = pkg.receivers.get(i); 5089 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5090 a.info.processName, pkg.applicationInfo.uid); 5091 mReceivers.addActivity(a, "receiver"); 5092 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5093 if (r == null) { 5094 r = new StringBuilder(256); 5095 } else { 5096 r.append(' '); 5097 } 5098 r.append(a.info.name); 5099 } 5100 } 5101 if (r != null) { 5102 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5103 } 5104 5105 N = pkg.activities.size(); 5106 r = null; 5107 for (i=0; i<N; i++) { 5108 PackageParser.Activity a = pkg.activities.get(i); 5109 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5110 a.info.processName, pkg.applicationInfo.uid); 5111 mActivities.addActivity(a, "activity"); 5112 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5113 if (r == null) { 5114 r = new StringBuilder(256); 5115 } else { 5116 r.append(' '); 5117 } 5118 r.append(a.info.name); 5119 } 5120 } 5121 if (r != null) { 5122 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5123 } 5124 5125 N = pkg.permissionGroups.size(); 5126 r = null; 5127 for (i=0; i<N; i++) { 5128 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5129 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5130 if (cur == null) { 5131 mPermissionGroups.put(pg.info.name, pg); 5132 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5133 if (r == null) { 5134 r = new StringBuilder(256); 5135 } else { 5136 r.append(' '); 5137 } 5138 r.append(pg.info.name); 5139 } 5140 } else { 5141 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5142 + pg.info.packageName + " ignored: original from " 5143 + cur.info.packageName); 5144 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5145 if (r == null) { 5146 r = new StringBuilder(256); 5147 } else { 5148 r.append(' '); 5149 } 5150 r.append("DUP:"); 5151 r.append(pg.info.name); 5152 } 5153 } 5154 } 5155 if (r != null) { 5156 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5157 } 5158 5159 N = pkg.permissions.size(); 5160 r = null; 5161 for (i=0; i<N; i++) { 5162 PackageParser.Permission p = pkg.permissions.get(i); 5163 HashMap<String, BasePermission> permissionMap = 5164 p.tree ? mSettings.mPermissionTrees 5165 : mSettings.mPermissions; 5166 p.group = mPermissionGroups.get(p.info.group); 5167 if (p.info.group == null || p.group != null) { 5168 BasePermission bp = permissionMap.get(p.info.name); 5169 if (bp == null) { 5170 bp = new BasePermission(p.info.name, p.info.packageName, 5171 BasePermission.TYPE_NORMAL); 5172 permissionMap.put(p.info.name, bp); 5173 } 5174 if (bp.perm == null) { 5175 if (bp.sourcePackage != null 5176 && !bp.sourcePackage.equals(p.info.packageName)) { 5177 // If this is a permission that was formerly defined by a non-system 5178 // app, but is now defined by a system app (following an upgrade), 5179 // discard the previous declaration and consider the system's to be 5180 // canonical. 5181 if (isSystemApp(p.owner)) { 5182 String msg = "New decl " + p.owner + " of permission " 5183 + p.info.name + " is system"; 5184 reportSettingsProblem(Log.WARN, msg); 5185 bp.sourcePackage = null; 5186 } 5187 } 5188 if (bp.sourcePackage == null 5189 || bp.sourcePackage.equals(p.info.packageName)) { 5190 BasePermission tree = findPermissionTreeLP(p.info.name); 5191 if (tree == null 5192 || tree.sourcePackage.equals(p.info.packageName)) { 5193 bp.packageSetting = pkgSetting; 5194 bp.perm = p; 5195 bp.uid = pkg.applicationInfo.uid; 5196 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5197 if (r == null) { 5198 r = new StringBuilder(256); 5199 } else { 5200 r.append(' '); 5201 } 5202 r.append(p.info.name); 5203 } 5204 } else { 5205 Slog.w(TAG, "Permission " + p.info.name + " from package " 5206 + p.info.packageName + " ignored: base tree " 5207 + tree.name + " is from package " 5208 + tree.sourcePackage); 5209 } 5210 } else { 5211 Slog.w(TAG, "Permission " + p.info.name + " from package " 5212 + p.info.packageName + " ignored: original from " 5213 + bp.sourcePackage); 5214 } 5215 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5216 if (r == null) { 5217 r = new StringBuilder(256); 5218 } else { 5219 r.append(' '); 5220 } 5221 r.append("DUP:"); 5222 r.append(p.info.name); 5223 } 5224 if (bp.perm == p) { 5225 bp.protectionLevel = p.info.protectionLevel; 5226 } 5227 } else { 5228 Slog.w(TAG, "Permission " + p.info.name + " from package " 5229 + p.info.packageName + " ignored: no group " 5230 + p.group); 5231 } 5232 } 5233 if (r != null) { 5234 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5235 } 5236 5237 N = pkg.instrumentation.size(); 5238 r = null; 5239 for (i=0; i<N; i++) { 5240 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5241 a.info.packageName = pkg.applicationInfo.packageName; 5242 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5243 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5244 a.info.dataDir = pkg.applicationInfo.dataDir; 5245 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5246 mInstrumentation.put(a.getComponentName(), a); 5247 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5248 if (r == null) { 5249 r = new StringBuilder(256); 5250 } else { 5251 r.append(' '); 5252 } 5253 r.append(a.info.name); 5254 } 5255 } 5256 if (r != null) { 5257 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5258 } 5259 5260 if (pkg.protectedBroadcasts != null) { 5261 N = pkg.protectedBroadcasts.size(); 5262 for (i=0; i<N; i++) { 5263 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5264 } 5265 } 5266 5267 pkgSetting.setTimeStamp(scanFileTime); 5268 5269 // Create idmap files for pairs of (packages, overlay packages). 5270 // Note: "android", ie framework-res.apk, is handled by native layers. 5271 if (pkg.mOverlayTarget != null) { 5272 // This is an overlay package. 5273 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5274 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5275 mOverlays.put(pkg.mOverlayTarget, 5276 new HashMap<String, PackageParser.Package>()); 5277 } 5278 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5279 map.put(pkg.packageName, pkg); 5280 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5281 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5282 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5283 return null; 5284 } 5285 } 5286 } else if (mOverlays.containsKey(pkg.packageName) && 5287 !pkg.packageName.equals("android")) { 5288 // This is a regular package, with one or more known overlay packages. 5289 createIdmapsForPackageLI(pkg); 5290 } 5291 } 5292 5293 return pkg; 5294 } 5295 5296 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5297 synchronized (mPackages) { 5298 mResolverReplaced = true; 5299 // Set up information for custom user intent resolution activity. 5300 mResolveActivity.applicationInfo = pkg.applicationInfo; 5301 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5302 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5303 mResolveActivity.processName = null; 5304 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5305 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5306 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5307 mResolveActivity.theme = 0; 5308 mResolveActivity.exported = true; 5309 mResolveActivity.enabled = true; 5310 mResolveInfo.activityInfo = mResolveActivity; 5311 mResolveInfo.priority = 0; 5312 mResolveInfo.preferredOrder = 0; 5313 mResolveInfo.match = 0; 5314 mResolveComponentName = mCustomResolverComponentName; 5315 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5316 mResolveComponentName); 5317 } 5318 } 5319 5320 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5321 PackageSetting pkgSetting) { 5322 final String apkLibPath = getApkName(pkgSetting.codePathString); 5323 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5324 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5325 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5326 } 5327 5328 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5329 throws IOException { 5330 if (!nativeLibraryDir.isDirectory()) { 5331 nativeLibraryDir.delete(); 5332 5333 if (!nativeLibraryDir.mkdir()) { 5334 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5335 } 5336 5337 try { 5338 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5339 | S_IXOTH); 5340 } catch (ErrnoException e) { 5341 throw new IOException("Cannot chmod native library directory " 5342 + nativeLibraryDir.getPath(), e); 5343 } 5344 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5345 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5346 } 5347 5348 /* 5349 * If this is an internal application or our nativeLibraryPath points to 5350 * the app-lib directory, unpack the libraries if necessary. 5351 */ 5352 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5353 } 5354 5355 private void killApplication(String pkgName, int appId, String reason) { 5356 // Request the ActivityManager to kill the process(only for existing packages) 5357 // so that we do not end up in a confused state while the user is still using the older 5358 // version of the application while the new one gets installed. 5359 IActivityManager am = ActivityManagerNative.getDefault(); 5360 if (am != null) { 5361 try { 5362 am.killApplicationWithAppId(pkgName, appId, reason); 5363 } catch (RemoteException e) { 5364 } 5365 } 5366 } 5367 5368 void removePackageLI(PackageSetting ps, boolean chatty) { 5369 if (DEBUG_INSTALL) { 5370 if (chatty) 5371 Log.d(TAG, "Removing package " + ps.name); 5372 } 5373 5374 // writer 5375 synchronized (mPackages) { 5376 mPackages.remove(ps.name); 5377 if (ps.codePathString != null) { 5378 mAppDirs.remove(ps.codePathString); 5379 } 5380 5381 final PackageParser.Package pkg = ps.pkg; 5382 if (pkg != null) { 5383 cleanPackageDataStructuresLILPw(pkg, chatty); 5384 } 5385 } 5386 } 5387 5388 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5389 if (DEBUG_INSTALL) { 5390 if (chatty) 5391 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5392 } 5393 5394 // writer 5395 synchronized (mPackages) { 5396 mPackages.remove(pkg.applicationInfo.packageName); 5397 if (pkg.mPath != null) { 5398 mAppDirs.remove(pkg.mPath); 5399 } 5400 cleanPackageDataStructuresLILPw(pkg, chatty); 5401 } 5402 } 5403 5404 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5405 int N = pkg.providers.size(); 5406 StringBuilder r = null; 5407 int i; 5408 for (i=0; i<N; i++) { 5409 PackageParser.Provider p = pkg.providers.get(i); 5410 mProviders.removeProvider(p); 5411 if (p.info.authority == null) { 5412 5413 /* There was another ContentProvider with this authority when 5414 * this app was installed so this authority is null, 5415 * Ignore it as we don't have to unregister the provider. 5416 */ 5417 continue; 5418 } 5419 String names[] = p.info.authority.split(";"); 5420 for (int j = 0; j < names.length; j++) { 5421 if (mProvidersByAuthority.get(names[j]) == p) { 5422 mProvidersByAuthority.remove(names[j]); 5423 if (DEBUG_REMOVE) { 5424 if (chatty) 5425 Log.d(TAG, "Unregistered content provider: " + names[j] 5426 + ", className = " + p.info.name + ", isSyncable = " 5427 + p.info.isSyncable); 5428 } 5429 } 5430 } 5431 if (DEBUG_REMOVE && chatty) { 5432 if (r == null) { 5433 r = new StringBuilder(256); 5434 } else { 5435 r.append(' '); 5436 } 5437 r.append(p.info.name); 5438 } 5439 } 5440 if (r != null) { 5441 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5442 } 5443 5444 N = pkg.services.size(); 5445 r = null; 5446 for (i=0; i<N; i++) { 5447 PackageParser.Service s = pkg.services.get(i); 5448 mServices.removeService(s); 5449 if (chatty) { 5450 if (r == null) { 5451 r = new StringBuilder(256); 5452 } else { 5453 r.append(' '); 5454 } 5455 r.append(s.info.name); 5456 } 5457 } 5458 if (r != null) { 5459 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5460 } 5461 5462 N = pkg.receivers.size(); 5463 r = null; 5464 for (i=0; i<N; i++) { 5465 PackageParser.Activity a = pkg.receivers.get(i); 5466 mReceivers.removeActivity(a, "receiver"); 5467 if (DEBUG_REMOVE && chatty) { 5468 if (r == null) { 5469 r = new StringBuilder(256); 5470 } else { 5471 r.append(' '); 5472 } 5473 r.append(a.info.name); 5474 } 5475 } 5476 if (r != null) { 5477 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5478 } 5479 5480 N = pkg.activities.size(); 5481 r = null; 5482 for (i=0; i<N; i++) { 5483 PackageParser.Activity a = pkg.activities.get(i); 5484 mActivities.removeActivity(a, "activity"); 5485 if (DEBUG_REMOVE && chatty) { 5486 if (r == null) { 5487 r = new StringBuilder(256); 5488 } else { 5489 r.append(' '); 5490 } 5491 r.append(a.info.name); 5492 } 5493 } 5494 if (r != null) { 5495 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5496 } 5497 5498 N = pkg.permissions.size(); 5499 r = null; 5500 for (i=0; i<N; i++) { 5501 PackageParser.Permission p = pkg.permissions.get(i); 5502 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5503 if (bp == null) { 5504 bp = mSettings.mPermissionTrees.get(p.info.name); 5505 } 5506 if (bp != null && bp.perm == p) { 5507 bp.perm = null; 5508 if (DEBUG_REMOVE && chatty) { 5509 if (r == null) { 5510 r = new StringBuilder(256); 5511 } else { 5512 r.append(' '); 5513 } 5514 r.append(p.info.name); 5515 } 5516 } 5517 } 5518 if (r != null) { 5519 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5520 } 5521 5522 N = pkg.instrumentation.size(); 5523 r = null; 5524 for (i=0; i<N; i++) { 5525 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5526 mInstrumentation.remove(a.getComponentName()); 5527 if (DEBUG_REMOVE && chatty) { 5528 if (r == null) { 5529 r = new StringBuilder(256); 5530 } else { 5531 r.append(' '); 5532 } 5533 r.append(a.info.name); 5534 } 5535 } 5536 if (r != null) { 5537 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5538 } 5539 5540 r = null; 5541 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5542 // Only system apps can hold shared libraries. 5543 if (pkg.libraryNames != null) { 5544 for (i=0; i<pkg.libraryNames.size(); i++) { 5545 String name = pkg.libraryNames.get(i); 5546 SharedLibraryEntry cur = mSharedLibraries.get(name); 5547 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5548 mSharedLibraries.remove(name); 5549 if (DEBUG_REMOVE && chatty) { 5550 if (r == null) { 5551 r = new StringBuilder(256); 5552 } else { 5553 r.append(' '); 5554 } 5555 r.append(name); 5556 } 5557 } 5558 } 5559 } 5560 } 5561 if (r != null) { 5562 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5563 } 5564 } 5565 5566 private static final boolean isPackageFilename(String name) { 5567 return name != null && name.endsWith(".apk"); 5568 } 5569 5570 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5571 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5572 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5573 return true; 5574 } 5575 } 5576 return false; 5577 } 5578 5579 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5580 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5581 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5582 5583 private void updatePermissionsLPw(String changingPkg, 5584 PackageParser.Package pkgInfo, int flags) { 5585 // Make sure there are no dangling permission trees. 5586 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5587 while (it.hasNext()) { 5588 final BasePermission bp = it.next(); 5589 if (bp.packageSetting == null) { 5590 // We may not yet have parsed the package, so just see if 5591 // we still know about its settings. 5592 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5593 } 5594 if (bp.packageSetting == null) { 5595 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5596 + " from package " + bp.sourcePackage); 5597 it.remove(); 5598 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5599 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5600 Slog.i(TAG, "Removing old permission tree: " + bp.name 5601 + " from package " + bp.sourcePackage); 5602 flags |= UPDATE_PERMISSIONS_ALL; 5603 it.remove(); 5604 } 5605 } 5606 } 5607 5608 // Make sure all dynamic permissions have been assigned to a package, 5609 // and make sure there are no dangling permissions. 5610 it = mSettings.mPermissions.values().iterator(); 5611 while (it.hasNext()) { 5612 final BasePermission bp = it.next(); 5613 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5614 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5615 + bp.name + " pkg=" + bp.sourcePackage 5616 + " info=" + bp.pendingInfo); 5617 if (bp.packageSetting == null && bp.pendingInfo != null) { 5618 final BasePermission tree = findPermissionTreeLP(bp.name); 5619 if (tree != null && tree.perm != null) { 5620 bp.packageSetting = tree.packageSetting; 5621 bp.perm = new PackageParser.Permission(tree.perm.owner, 5622 new PermissionInfo(bp.pendingInfo)); 5623 bp.perm.info.packageName = tree.perm.info.packageName; 5624 bp.perm.info.name = bp.name; 5625 bp.uid = tree.uid; 5626 } 5627 } 5628 } 5629 if (bp.packageSetting == null) { 5630 // We may not yet have parsed the package, so just see if 5631 // we still know about its settings. 5632 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5633 } 5634 if (bp.packageSetting == null) { 5635 Slog.w(TAG, "Removing dangling permission: " + bp.name 5636 + " from package " + bp.sourcePackage); 5637 it.remove(); 5638 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5639 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5640 Slog.i(TAG, "Removing old permission: " + bp.name 5641 + " from package " + bp.sourcePackage); 5642 flags |= UPDATE_PERMISSIONS_ALL; 5643 it.remove(); 5644 } 5645 } 5646 } 5647 5648 // Now update the permissions for all packages, in particular 5649 // replace the granted permissions of the system packages. 5650 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5651 for (PackageParser.Package pkg : mPackages.values()) { 5652 if (pkg != pkgInfo) { 5653 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5654 } 5655 } 5656 } 5657 5658 if (pkgInfo != null) { 5659 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5660 } 5661 } 5662 5663 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5664 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5665 if (ps == null) { 5666 return; 5667 } 5668 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5669 HashSet<String> origPermissions = gp.grantedPermissions; 5670 boolean changedPermission = false; 5671 5672 if (replace) { 5673 ps.permissionsFixed = false; 5674 if (gp == ps) { 5675 origPermissions = new HashSet<String>(gp.grantedPermissions); 5676 gp.grantedPermissions.clear(); 5677 gp.gids = mGlobalGids; 5678 } 5679 } 5680 5681 if (gp.gids == null) { 5682 gp.gids = mGlobalGids; 5683 } 5684 5685 final int N = pkg.requestedPermissions.size(); 5686 for (int i=0; i<N; i++) { 5687 final String name = pkg.requestedPermissions.get(i); 5688 final boolean required = pkg.requestedPermissionsRequired.get(i); 5689 final BasePermission bp = mSettings.mPermissions.get(name); 5690 if (DEBUG_INSTALL) { 5691 if (gp != ps) { 5692 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5693 } 5694 } 5695 5696 if (bp == null || bp.packageSetting == null) { 5697 Slog.w(TAG, "Unknown permission " + name 5698 + " in package " + pkg.packageName); 5699 continue; 5700 } 5701 5702 final String perm = bp.name; 5703 boolean allowed; 5704 boolean allowedSig = false; 5705 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5706 if (level == PermissionInfo.PROTECTION_NORMAL 5707 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5708 // We grant a normal or dangerous permission if any of the following 5709 // are true: 5710 // 1) The permission is required 5711 // 2) The permission is optional, but was granted in the past 5712 // 3) The permission is optional, but was requested by an 5713 // app in /system (not /data) 5714 // 5715 // Otherwise, reject the permission. 5716 allowed = (required || origPermissions.contains(perm) 5717 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5718 } else if (bp.packageSetting == null) { 5719 // This permission is invalid; skip it. 5720 allowed = false; 5721 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5722 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5723 if (allowed) { 5724 allowedSig = true; 5725 } 5726 } else { 5727 allowed = false; 5728 } 5729 if (DEBUG_INSTALL) { 5730 if (gp != ps) { 5731 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5732 } 5733 } 5734 if (allowed) { 5735 if (!isSystemApp(ps) && ps.permissionsFixed) { 5736 // If this is an existing, non-system package, then 5737 // we can't add any new permissions to it. 5738 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5739 // Except... if this is a permission that was added 5740 // to the platform (note: need to only do this when 5741 // updating the platform). 5742 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5743 } 5744 } 5745 if (allowed) { 5746 if (!gp.grantedPermissions.contains(perm)) { 5747 changedPermission = true; 5748 gp.grantedPermissions.add(perm); 5749 gp.gids = appendInts(gp.gids, bp.gids); 5750 } else if (!ps.haveGids) { 5751 gp.gids = appendInts(gp.gids, bp.gids); 5752 } 5753 } else { 5754 Slog.w(TAG, "Not granting permission " + perm 5755 + " to package " + pkg.packageName 5756 + " because it was previously installed without"); 5757 } 5758 } else { 5759 if (gp.grantedPermissions.remove(perm)) { 5760 changedPermission = true; 5761 gp.gids = removeInts(gp.gids, bp.gids); 5762 Slog.i(TAG, "Un-granting permission " + perm 5763 + " from package " + pkg.packageName 5764 + " (protectionLevel=" + bp.protectionLevel 5765 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5766 + ")"); 5767 } else { 5768 Slog.w(TAG, "Not granting permission " + perm 5769 + " to package " + pkg.packageName 5770 + " (protectionLevel=" + bp.protectionLevel 5771 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5772 + ")"); 5773 } 5774 } 5775 } 5776 5777 if ((changedPermission || replace) && !ps.permissionsFixed && 5778 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5779 // This is the first that we have heard about this package, so the 5780 // permissions we have now selected are fixed until explicitly 5781 // changed. 5782 ps.permissionsFixed = true; 5783 } 5784 ps.haveGids = true; 5785 } 5786 5787 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5788 boolean allowed = false; 5789 final int NP = PackageParser.NEW_PERMISSIONS.length; 5790 for (int ip=0; ip<NP; ip++) { 5791 final PackageParser.NewPermissionInfo npi 5792 = PackageParser.NEW_PERMISSIONS[ip]; 5793 if (npi.name.equals(perm) 5794 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5795 allowed = true; 5796 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5797 + pkg.packageName); 5798 break; 5799 } 5800 } 5801 return allowed; 5802 } 5803 5804 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5805 BasePermission bp, HashSet<String> origPermissions) { 5806 boolean allowed; 5807 allowed = (compareSignatures( 5808 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5809 == PackageManager.SIGNATURE_MATCH) 5810 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5811 == PackageManager.SIGNATURE_MATCH); 5812 if (!allowed && (bp.protectionLevel 5813 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5814 if (isSystemApp(pkg)) { 5815 // For updated system applications, a system permission 5816 // is granted only if it had been defined by the original application. 5817 if (isUpdatedSystemApp(pkg)) { 5818 final PackageSetting sysPs = mSettings 5819 .getDisabledSystemPkgLPr(pkg.packageName); 5820 final GrantedPermissions origGp = sysPs.sharedUser != null 5821 ? sysPs.sharedUser : sysPs; 5822 5823 if (origGp.grantedPermissions.contains(perm)) { 5824 // If the original was granted this permission, we take 5825 // that grant decision as read and propagate it to the 5826 // update. 5827 allowed = true; 5828 } else { 5829 // The system apk may have been updated with an older 5830 // version of the one on the data partition, but which 5831 // granted a new system permission that it didn't have 5832 // before. In this case we do want to allow the app to 5833 // now get the new permission if the ancestral apk is 5834 // privileged to get it. 5835 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5836 for (int j=0; 5837 j<sysPs.pkg.requestedPermissions.size(); j++) { 5838 if (perm.equals( 5839 sysPs.pkg.requestedPermissions.get(j))) { 5840 allowed = true; 5841 break; 5842 } 5843 } 5844 } 5845 } 5846 } else { 5847 allowed = isPrivilegedApp(pkg); 5848 } 5849 } 5850 } 5851 if (!allowed && (bp.protectionLevel 5852 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5853 // For development permissions, a development permission 5854 // is granted only if it was already granted. 5855 allowed = origPermissions.contains(perm); 5856 } 5857 return allowed; 5858 } 5859 5860 final class ActivityIntentResolver 5861 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5862 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5863 boolean defaultOnly, int userId) { 5864 if (!sUserManager.exists(userId)) return null; 5865 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5866 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5867 } 5868 5869 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5870 int userId) { 5871 if (!sUserManager.exists(userId)) return null; 5872 mFlags = flags; 5873 return super.queryIntent(intent, resolvedType, 5874 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5875 } 5876 5877 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5878 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5879 if (!sUserManager.exists(userId)) return null; 5880 if (packageActivities == null) { 5881 return null; 5882 } 5883 mFlags = flags; 5884 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5885 final int N = packageActivities.size(); 5886 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5887 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5888 5889 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5890 for (int i = 0; i < N; ++i) { 5891 intentFilters = packageActivities.get(i).intents; 5892 if (intentFilters != null && intentFilters.size() > 0) { 5893 PackageParser.ActivityIntentInfo[] array = 5894 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5895 intentFilters.toArray(array); 5896 listCut.add(array); 5897 } 5898 } 5899 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5900 } 5901 5902 public final void addActivity(PackageParser.Activity a, String type) { 5903 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5904 mActivities.put(a.getComponentName(), a); 5905 if (DEBUG_SHOW_INFO) 5906 Log.v( 5907 TAG, " " + type + " " + 5908 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5909 if (DEBUG_SHOW_INFO) 5910 Log.v(TAG, " Class=" + a.info.name); 5911 final int NI = a.intents.size(); 5912 for (int j=0; j<NI; j++) { 5913 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5914 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5915 intent.setPriority(0); 5916 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5917 + a.className + " with priority > 0, forcing to 0"); 5918 } 5919 if (DEBUG_SHOW_INFO) { 5920 Log.v(TAG, " IntentFilter:"); 5921 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5922 } 5923 if (!intent.debugCheck()) { 5924 Log.w(TAG, "==> For Activity " + a.info.name); 5925 } 5926 addFilter(intent); 5927 } 5928 } 5929 5930 public final void removeActivity(PackageParser.Activity a, String type) { 5931 mActivities.remove(a.getComponentName()); 5932 if (DEBUG_SHOW_INFO) { 5933 Log.v(TAG, " " + type + " " 5934 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5935 : a.info.name) + ":"); 5936 Log.v(TAG, " Class=" + a.info.name); 5937 } 5938 final int NI = a.intents.size(); 5939 for (int j=0; j<NI; j++) { 5940 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5941 if (DEBUG_SHOW_INFO) { 5942 Log.v(TAG, " IntentFilter:"); 5943 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5944 } 5945 removeFilter(intent); 5946 } 5947 } 5948 5949 @Override 5950 protected boolean allowFilterResult( 5951 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5952 ActivityInfo filterAi = filter.activity.info; 5953 for (int i=dest.size()-1; i>=0; i--) { 5954 ActivityInfo destAi = dest.get(i).activityInfo; 5955 if (destAi.name == filterAi.name 5956 && destAi.packageName == filterAi.packageName) { 5957 return false; 5958 } 5959 } 5960 return true; 5961 } 5962 5963 @Override 5964 protected ActivityIntentInfo[] newArray(int size) { 5965 return new ActivityIntentInfo[size]; 5966 } 5967 5968 @Override 5969 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5970 if (!sUserManager.exists(userId)) return true; 5971 PackageParser.Package p = filter.activity.owner; 5972 if (p != null) { 5973 PackageSetting ps = (PackageSetting)p.mExtras; 5974 if (ps != null) { 5975 // System apps are never considered stopped for purposes of 5976 // filtering, because there may be no way for the user to 5977 // actually re-launch them. 5978 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5979 && ps.getStopped(userId); 5980 } 5981 } 5982 return false; 5983 } 5984 5985 @Override 5986 protected boolean isPackageForFilter(String packageName, 5987 PackageParser.ActivityIntentInfo info) { 5988 return packageName.equals(info.activity.owner.packageName); 5989 } 5990 5991 @Override 5992 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5993 int match, int userId) { 5994 if (!sUserManager.exists(userId)) return null; 5995 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5996 return null; 5997 } 5998 final PackageParser.Activity activity = info.activity; 5999 if (mSafeMode && (activity.info.applicationInfo.flags 6000 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6001 return null; 6002 } 6003 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6004 if (ps == null) { 6005 return null; 6006 } 6007 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6008 ps.readUserState(userId), userId); 6009 if (ai == null) { 6010 return null; 6011 } 6012 final ResolveInfo res = new ResolveInfo(); 6013 res.activityInfo = ai; 6014 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6015 res.filter = info; 6016 } 6017 res.priority = info.getPriority(); 6018 res.preferredOrder = activity.owner.mPreferredOrder; 6019 //System.out.println("Result: " + res.activityInfo.className + 6020 // " = " + res.priority); 6021 res.match = match; 6022 res.isDefault = info.hasDefault; 6023 res.labelRes = info.labelRes; 6024 res.nonLocalizedLabel = info.nonLocalizedLabel; 6025 res.icon = info.icon; 6026 res.system = isSystemApp(res.activityInfo.applicationInfo); 6027 return res; 6028 } 6029 6030 @Override 6031 protected void sortResults(List<ResolveInfo> results) { 6032 Collections.sort(results, mResolvePrioritySorter); 6033 } 6034 6035 @Override 6036 protected void dumpFilter(PrintWriter out, String prefix, 6037 PackageParser.ActivityIntentInfo filter) { 6038 out.print(prefix); out.print( 6039 Integer.toHexString(System.identityHashCode(filter.activity))); 6040 out.print(' '); 6041 filter.activity.printComponentShortName(out); 6042 out.print(" filter "); 6043 out.println(Integer.toHexString(System.identityHashCode(filter))); 6044 } 6045 6046// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6047// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6048// final List<ResolveInfo> retList = Lists.newArrayList(); 6049// while (i.hasNext()) { 6050// final ResolveInfo resolveInfo = i.next(); 6051// if (isEnabledLP(resolveInfo.activityInfo)) { 6052// retList.add(resolveInfo); 6053// } 6054// } 6055// return retList; 6056// } 6057 6058 // Keys are String (activity class name), values are Activity. 6059 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6060 = new HashMap<ComponentName, PackageParser.Activity>(); 6061 private int mFlags; 6062 } 6063 6064 private final class ServiceIntentResolver 6065 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6066 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6067 boolean defaultOnly, int userId) { 6068 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6069 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6070 } 6071 6072 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6073 int userId) { 6074 if (!sUserManager.exists(userId)) return null; 6075 mFlags = flags; 6076 return super.queryIntent(intent, resolvedType, 6077 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6078 } 6079 6080 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6081 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6082 if (!sUserManager.exists(userId)) return null; 6083 if (packageServices == null) { 6084 return null; 6085 } 6086 mFlags = flags; 6087 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6088 final int N = packageServices.size(); 6089 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6090 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6091 6092 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6093 for (int i = 0; i < N; ++i) { 6094 intentFilters = packageServices.get(i).intents; 6095 if (intentFilters != null && intentFilters.size() > 0) { 6096 PackageParser.ServiceIntentInfo[] array = 6097 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6098 intentFilters.toArray(array); 6099 listCut.add(array); 6100 } 6101 } 6102 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6103 } 6104 6105 public final void addService(PackageParser.Service s) { 6106 mServices.put(s.getComponentName(), s); 6107 if (DEBUG_SHOW_INFO) { 6108 Log.v(TAG, " " 6109 + (s.info.nonLocalizedLabel != null 6110 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6111 Log.v(TAG, " Class=" + s.info.name); 6112 } 6113 final int NI = s.intents.size(); 6114 int j; 6115 for (j=0; j<NI; j++) { 6116 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6117 if (DEBUG_SHOW_INFO) { 6118 Log.v(TAG, " IntentFilter:"); 6119 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6120 } 6121 if (!intent.debugCheck()) { 6122 Log.w(TAG, "==> For Service " + s.info.name); 6123 } 6124 addFilter(intent); 6125 } 6126 } 6127 6128 public final void removeService(PackageParser.Service s) { 6129 mServices.remove(s.getComponentName()); 6130 if (DEBUG_SHOW_INFO) { 6131 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6132 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6133 Log.v(TAG, " Class=" + s.info.name); 6134 } 6135 final int NI = s.intents.size(); 6136 int j; 6137 for (j=0; j<NI; j++) { 6138 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6139 if (DEBUG_SHOW_INFO) { 6140 Log.v(TAG, " IntentFilter:"); 6141 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6142 } 6143 removeFilter(intent); 6144 } 6145 } 6146 6147 @Override 6148 protected boolean allowFilterResult( 6149 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6150 ServiceInfo filterSi = filter.service.info; 6151 for (int i=dest.size()-1; i>=0; i--) { 6152 ServiceInfo destAi = dest.get(i).serviceInfo; 6153 if (destAi.name == filterSi.name 6154 && destAi.packageName == filterSi.packageName) { 6155 return false; 6156 } 6157 } 6158 return true; 6159 } 6160 6161 @Override 6162 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6163 return new PackageParser.ServiceIntentInfo[size]; 6164 } 6165 6166 @Override 6167 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6168 if (!sUserManager.exists(userId)) return true; 6169 PackageParser.Package p = filter.service.owner; 6170 if (p != null) { 6171 PackageSetting ps = (PackageSetting)p.mExtras; 6172 if (ps != null) { 6173 // System apps are never considered stopped for purposes of 6174 // filtering, because there may be no way for the user to 6175 // actually re-launch them. 6176 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6177 && ps.getStopped(userId); 6178 } 6179 } 6180 return false; 6181 } 6182 6183 @Override 6184 protected boolean isPackageForFilter(String packageName, 6185 PackageParser.ServiceIntentInfo info) { 6186 return packageName.equals(info.service.owner.packageName); 6187 } 6188 6189 @Override 6190 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6191 int match, int userId) { 6192 if (!sUserManager.exists(userId)) return null; 6193 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6194 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6195 return null; 6196 } 6197 final PackageParser.Service service = info.service; 6198 if (mSafeMode && (service.info.applicationInfo.flags 6199 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6200 return null; 6201 } 6202 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6203 if (ps == null) { 6204 return null; 6205 } 6206 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6207 ps.readUserState(userId), userId); 6208 if (si == null) { 6209 return null; 6210 } 6211 final ResolveInfo res = new ResolveInfo(); 6212 res.serviceInfo = si; 6213 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6214 res.filter = filter; 6215 } 6216 res.priority = info.getPriority(); 6217 res.preferredOrder = service.owner.mPreferredOrder; 6218 //System.out.println("Result: " + res.activityInfo.className + 6219 // " = " + res.priority); 6220 res.match = match; 6221 res.isDefault = info.hasDefault; 6222 res.labelRes = info.labelRes; 6223 res.nonLocalizedLabel = info.nonLocalizedLabel; 6224 res.icon = info.icon; 6225 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6226 return res; 6227 } 6228 6229 @Override 6230 protected void sortResults(List<ResolveInfo> results) { 6231 Collections.sort(results, mResolvePrioritySorter); 6232 } 6233 6234 @Override 6235 protected void dumpFilter(PrintWriter out, String prefix, 6236 PackageParser.ServiceIntentInfo filter) { 6237 out.print(prefix); out.print( 6238 Integer.toHexString(System.identityHashCode(filter.service))); 6239 out.print(' '); 6240 filter.service.printComponentShortName(out); 6241 out.print(" filter "); 6242 out.println(Integer.toHexString(System.identityHashCode(filter))); 6243 } 6244 6245// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6246// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6247// final List<ResolveInfo> retList = Lists.newArrayList(); 6248// while (i.hasNext()) { 6249// final ResolveInfo resolveInfo = (ResolveInfo) i; 6250// if (isEnabledLP(resolveInfo.serviceInfo)) { 6251// retList.add(resolveInfo); 6252// } 6253// } 6254// return retList; 6255// } 6256 6257 // Keys are String (activity class name), values are Activity. 6258 private final HashMap<ComponentName, PackageParser.Service> mServices 6259 = new HashMap<ComponentName, PackageParser.Service>(); 6260 private int mFlags; 6261 }; 6262 6263 private final class ProviderIntentResolver 6264 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6265 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6266 boolean defaultOnly, int userId) { 6267 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6268 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6269 } 6270 6271 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6272 int userId) { 6273 if (!sUserManager.exists(userId)) 6274 return null; 6275 mFlags = flags; 6276 return super.queryIntent(intent, resolvedType, 6277 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6278 } 6279 6280 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6281 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6282 if (!sUserManager.exists(userId)) 6283 return null; 6284 if (packageProviders == null) { 6285 return null; 6286 } 6287 mFlags = flags; 6288 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6289 final int N = packageProviders.size(); 6290 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6291 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6292 6293 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6294 for (int i = 0; i < N; ++i) { 6295 intentFilters = packageProviders.get(i).intents; 6296 if (intentFilters != null && intentFilters.size() > 0) { 6297 PackageParser.ProviderIntentInfo[] array = 6298 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6299 intentFilters.toArray(array); 6300 listCut.add(array); 6301 } 6302 } 6303 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6304 } 6305 6306 public final void addProvider(PackageParser.Provider p) { 6307 if (mProviders.containsKey(p.getComponentName())) { 6308 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6309 return; 6310 } 6311 6312 mProviders.put(p.getComponentName(), p); 6313 if (DEBUG_SHOW_INFO) { 6314 Log.v(TAG, " " 6315 + (p.info.nonLocalizedLabel != null 6316 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6317 Log.v(TAG, " Class=" + p.info.name); 6318 } 6319 final int NI = p.intents.size(); 6320 int j; 6321 for (j = 0; j < NI; j++) { 6322 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6323 if (DEBUG_SHOW_INFO) { 6324 Log.v(TAG, " IntentFilter:"); 6325 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6326 } 6327 if (!intent.debugCheck()) { 6328 Log.w(TAG, "==> For Provider " + p.info.name); 6329 } 6330 addFilter(intent); 6331 } 6332 } 6333 6334 public final void removeProvider(PackageParser.Provider p) { 6335 mProviders.remove(p.getComponentName()); 6336 if (DEBUG_SHOW_INFO) { 6337 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6338 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6339 Log.v(TAG, " Class=" + p.info.name); 6340 } 6341 final int NI = p.intents.size(); 6342 int j; 6343 for (j = 0; j < NI; j++) { 6344 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6345 if (DEBUG_SHOW_INFO) { 6346 Log.v(TAG, " IntentFilter:"); 6347 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6348 } 6349 removeFilter(intent); 6350 } 6351 } 6352 6353 @Override 6354 protected boolean allowFilterResult( 6355 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6356 ProviderInfo filterPi = filter.provider.info; 6357 for (int i = dest.size() - 1; i >= 0; i--) { 6358 ProviderInfo destPi = dest.get(i).providerInfo; 6359 if (destPi.name == filterPi.name 6360 && destPi.packageName == filterPi.packageName) { 6361 return false; 6362 } 6363 } 6364 return true; 6365 } 6366 6367 @Override 6368 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6369 return new PackageParser.ProviderIntentInfo[size]; 6370 } 6371 6372 @Override 6373 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6374 if (!sUserManager.exists(userId)) 6375 return true; 6376 PackageParser.Package p = filter.provider.owner; 6377 if (p != null) { 6378 PackageSetting ps = (PackageSetting) p.mExtras; 6379 if (ps != null) { 6380 // System apps are never considered stopped for purposes of 6381 // filtering, because there may be no way for the user to 6382 // actually re-launch them. 6383 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6384 && ps.getStopped(userId); 6385 } 6386 } 6387 return false; 6388 } 6389 6390 @Override 6391 protected boolean isPackageForFilter(String packageName, 6392 PackageParser.ProviderIntentInfo info) { 6393 return packageName.equals(info.provider.owner.packageName); 6394 } 6395 6396 @Override 6397 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6398 int match, int userId) { 6399 if (!sUserManager.exists(userId)) 6400 return null; 6401 final PackageParser.ProviderIntentInfo info = filter; 6402 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6403 return null; 6404 } 6405 final PackageParser.Provider provider = info.provider; 6406 if (mSafeMode && (provider.info.applicationInfo.flags 6407 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6408 return null; 6409 } 6410 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6411 if (ps == null) { 6412 return null; 6413 } 6414 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6415 ps.readUserState(userId), userId); 6416 if (pi == null) { 6417 return null; 6418 } 6419 final ResolveInfo res = new ResolveInfo(); 6420 res.providerInfo = pi; 6421 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6422 res.filter = filter; 6423 } 6424 res.priority = info.getPriority(); 6425 res.preferredOrder = provider.owner.mPreferredOrder; 6426 res.match = match; 6427 res.isDefault = info.hasDefault; 6428 res.labelRes = info.labelRes; 6429 res.nonLocalizedLabel = info.nonLocalizedLabel; 6430 res.icon = info.icon; 6431 res.system = isSystemApp(res.providerInfo.applicationInfo); 6432 return res; 6433 } 6434 6435 @Override 6436 protected void sortResults(List<ResolveInfo> results) { 6437 Collections.sort(results, mResolvePrioritySorter); 6438 } 6439 6440 @Override 6441 protected void dumpFilter(PrintWriter out, String prefix, 6442 PackageParser.ProviderIntentInfo filter) { 6443 out.print(prefix); 6444 out.print( 6445 Integer.toHexString(System.identityHashCode(filter.provider))); 6446 out.print(' '); 6447 filter.provider.printComponentShortName(out); 6448 out.print(" filter "); 6449 out.println(Integer.toHexString(System.identityHashCode(filter))); 6450 } 6451 6452 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6453 = new HashMap<ComponentName, PackageParser.Provider>(); 6454 private int mFlags; 6455 }; 6456 6457 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6458 new Comparator<ResolveInfo>() { 6459 public int compare(ResolveInfo r1, ResolveInfo r2) { 6460 int v1 = r1.priority; 6461 int v2 = r2.priority; 6462 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6463 if (v1 != v2) { 6464 return (v1 > v2) ? -1 : 1; 6465 } 6466 v1 = r1.preferredOrder; 6467 v2 = r2.preferredOrder; 6468 if (v1 != v2) { 6469 return (v1 > v2) ? -1 : 1; 6470 } 6471 if (r1.isDefault != r2.isDefault) { 6472 return r1.isDefault ? -1 : 1; 6473 } 6474 v1 = r1.match; 6475 v2 = r2.match; 6476 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6477 if (v1 != v2) { 6478 return (v1 > v2) ? -1 : 1; 6479 } 6480 if (r1.system != r2.system) { 6481 return r1.system ? -1 : 1; 6482 } 6483 return 0; 6484 } 6485 }; 6486 6487 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6488 new Comparator<ProviderInfo>() { 6489 public int compare(ProviderInfo p1, ProviderInfo p2) { 6490 final int v1 = p1.initOrder; 6491 final int v2 = p2.initOrder; 6492 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6493 } 6494 }; 6495 6496 static final void sendPackageBroadcast(String action, String pkg, 6497 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6498 int[] userIds) { 6499 IActivityManager am = ActivityManagerNative.getDefault(); 6500 if (am != null) { 6501 try { 6502 if (userIds == null) { 6503 userIds = am.getRunningUserIds(); 6504 } 6505 for (int id : userIds) { 6506 final Intent intent = new Intent(action, 6507 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6508 if (extras != null) { 6509 intent.putExtras(extras); 6510 } 6511 if (targetPkg != null) { 6512 intent.setPackage(targetPkg); 6513 } 6514 // Modify the UID when posting to other users 6515 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6516 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6517 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6518 intent.putExtra(Intent.EXTRA_UID, uid); 6519 } 6520 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6521 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6522 if (DEBUG_BROADCASTS) { 6523 RuntimeException here = new RuntimeException("here"); 6524 here.fillInStackTrace(); 6525 Slog.d(TAG, "Sending to user " + id + ": " 6526 + intent.toShortString(false, true, false, false) 6527 + " " + intent.getExtras(), here); 6528 } 6529 am.broadcastIntent(null, intent, null, finishedReceiver, 6530 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6531 finishedReceiver != null, false, id); 6532 } 6533 } catch (RemoteException ex) { 6534 } 6535 } 6536 } 6537 6538 /** 6539 * Check if the external storage media is available. This is true if there 6540 * is a mounted external storage medium or if the external storage is 6541 * emulated. 6542 */ 6543 private boolean isExternalMediaAvailable() { 6544 return mMediaMounted || Environment.isExternalStorageEmulated(); 6545 } 6546 6547 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6548 // writer 6549 synchronized (mPackages) { 6550 if (!isExternalMediaAvailable()) { 6551 // If the external storage is no longer mounted at this point, 6552 // the caller may not have been able to delete all of this 6553 // packages files and can not delete any more. Bail. 6554 return null; 6555 } 6556 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6557 if (lastPackage != null) { 6558 pkgs.remove(lastPackage); 6559 } 6560 if (pkgs.size() > 0) { 6561 return pkgs.get(0); 6562 } 6563 } 6564 return null; 6565 } 6566 6567 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6568 if (false) { 6569 RuntimeException here = new RuntimeException("here"); 6570 here.fillInStackTrace(); 6571 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6572 + " andCode=" + andCode, here); 6573 } 6574 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6575 userId, andCode ? 1 : 0, packageName)); 6576 } 6577 6578 void startCleaningPackages() { 6579 // reader 6580 synchronized (mPackages) { 6581 if (!isExternalMediaAvailable()) { 6582 return; 6583 } 6584 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6585 return; 6586 } 6587 } 6588 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6589 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6590 IActivityManager am = ActivityManagerNative.getDefault(); 6591 if (am != null) { 6592 try { 6593 am.startService(null, intent, null, UserHandle.USER_OWNER); 6594 } catch (RemoteException e) { 6595 } 6596 } 6597 } 6598 6599 private final class AppDirObserver extends FileObserver { 6600 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6601 super(path, mask); 6602 mRootDir = path; 6603 mIsRom = isrom; 6604 mIsPrivileged = isPrivileged; 6605 } 6606 6607 public void onEvent(int event, String path) { 6608 String removedPackage = null; 6609 int removedAppId = -1; 6610 int[] removedUsers = null; 6611 String addedPackage = null; 6612 int addedAppId = -1; 6613 int[] addedUsers = null; 6614 6615 // TODO post a message to the handler to obtain serial ordering 6616 synchronized (mInstallLock) { 6617 String fullPathStr = null; 6618 File fullPath = null; 6619 if (path != null) { 6620 fullPath = new File(mRootDir, path); 6621 fullPathStr = fullPath.getPath(); 6622 } 6623 6624 if (DEBUG_APP_DIR_OBSERVER) 6625 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6626 6627 if (!isPackageFilename(path)) { 6628 if (DEBUG_APP_DIR_OBSERVER) 6629 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6630 return; 6631 } 6632 6633 // Ignore packages that are being installed or 6634 // have just been installed. 6635 if (ignoreCodePath(fullPathStr)) { 6636 return; 6637 } 6638 PackageParser.Package p = null; 6639 PackageSetting ps = null; 6640 // reader 6641 synchronized (mPackages) { 6642 p = mAppDirs.get(fullPathStr); 6643 if (p != null) { 6644 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6645 if (ps != null) { 6646 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6647 } else { 6648 removedUsers = sUserManager.getUserIds(); 6649 } 6650 } 6651 addedUsers = sUserManager.getUserIds(); 6652 } 6653 if ((event&REMOVE_EVENTS) != 0) { 6654 if (ps != null) { 6655 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6656 removePackageLI(ps, true); 6657 removedPackage = ps.name; 6658 removedAppId = ps.appId; 6659 } 6660 } 6661 6662 if ((event&ADD_EVENTS) != 0) { 6663 if (p == null) { 6664 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6665 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6666 if (mIsRom) { 6667 flags |= PackageParser.PARSE_IS_SYSTEM 6668 | PackageParser.PARSE_IS_SYSTEM_DIR; 6669 if (mIsPrivileged) { 6670 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6671 } 6672 } 6673 p = scanPackageLI(fullPath, flags, 6674 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6675 System.currentTimeMillis(), UserHandle.ALL); 6676 if (p != null) { 6677 /* 6678 * TODO this seems dangerous as the package may have 6679 * changed since we last acquired the mPackages 6680 * lock. 6681 */ 6682 // writer 6683 synchronized (mPackages) { 6684 updatePermissionsLPw(p.packageName, p, 6685 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6686 } 6687 addedPackage = p.applicationInfo.packageName; 6688 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6689 } 6690 } 6691 } 6692 6693 // reader 6694 synchronized (mPackages) { 6695 mSettings.writeLPr(); 6696 } 6697 } 6698 6699 if (removedPackage != null) { 6700 Bundle extras = new Bundle(1); 6701 extras.putInt(Intent.EXTRA_UID, removedAppId); 6702 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6703 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6704 extras, null, null, removedUsers); 6705 } 6706 if (addedPackage != null) { 6707 Bundle extras = new Bundle(1); 6708 extras.putInt(Intent.EXTRA_UID, addedAppId); 6709 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6710 extras, null, null, addedUsers); 6711 } 6712 } 6713 6714 private final String mRootDir; 6715 private final boolean mIsRom; 6716 private final boolean mIsPrivileged; 6717 } 6718 6719 /* Called when a downloaded package installation has been confirmed by the user */ 6720 public void installPackage( 6721 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6722 installPackage(packageURI, observer, flags, null); 6723 } 6724 6725 /* Called when a downloaded package installation has been confirmed by the user */ 6726 public void installPackage( 6727 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6728 final String installerPackageName) { 6729 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6730 null, null); 6731 } 6732 6733 @Override 6734 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6735 int flags, String installerPackageName, Uri verificationURI, 6736 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6737 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6738 VerificationParams.NO_UID, manifestDigest); 6739 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6740 installerPackageName, verificationParams, encryptionParams); 6741 } 6742 6743 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6744 IPackageInstallObserver observer, int flags, String installerPackageName, 6745 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6746 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6747 null); 6748 6749 final int uid = Binder.getCallingUid(); 6750 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6751 try { 6752 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6753 } catch (RemoteException re) { 6754 } 6755 return; 6756 } 6757 6758 UserHandle user; 6759 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6760 user = UserHandle.ALL; 6761 } else { 6762 user = new UserHandle(UserHandle.getUserId(uid)); 6763 } 6764 6765 final int filteredFlags; 6766 6767 if (uid == Process.SHELL_UID || uid == 0) { 6768 if (DEBUG_INSTALL) { 6769 Slog.v(TAG, "Install from ADB"); 6770 } 6771 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6772 } else { 6773 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6774 } 6775 6776 verificationParams.setInstallerUid(uid); 6777 6778 final Message msg = mHandler.obtainMessage(INIT_COPY); 6779 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6780 verificationParams, encryptionParams, user); 6781 mHandler.sendMessage(msg); 6782 } 6783 6784 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6785 Bundle extras = new Bundle(1); 6786 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6787 6788 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6789 packageName, extras, null, null, new int[] {userId}); 6790 try { 6791 IActivityManager am = ActivityManagerNative.getDefault(); 6792 final boolean isSystem = 6793 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6794 if (isSystem && am.isUserRunning(userId, false)) { 6795 // The just-installed/enabled app is bundled on the system, so presumed 6796 // to be able to run automatically without needing an explicit launch. 6797 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6798 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6799 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6800 .setPackage(packageName); 6801 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6802 android.app.AppOpsManager.OP_NONE, false, false, userId); 6803 } 6804 } catch (RemoteException e) { 6805 // shouldn't happen 6806 Slog.w(TAG, "Unable to bootstrap installed package", e); 6807 } 6808 } 6809 6810 @Override 6811 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6812 int userId) { 6813 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6814 PackageSetting pkgSetting; 6815 final int uid = Binder.getCallingUid(); 6816 if (UserHandle.getUserId(uid) != userId) { 6817 mContext.enforceCallingOrSelfPermission( 6818 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6819 "setApplicationBlockedSetting for user " + userId); 6820 } 6821 6822 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6823 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6824 return false; 6825 } 6826 6827 long callingId = Binder.clearCallingIdentity(); 6828 try { 6829 boolean sendAdded = false; 6830 boolean sendRemoved = false; 6831 // writer 6832 synchronized (mPackages) { 6833 pkgSetting = mSettings.mPackages.get(packageName); 6834 if (pkgSetting == null) { 6835 return false; 6836 } 6837 if (pkgSetting.getBlocked(userId) != blocked) { 6838 pkgSetting.setBlocked(blocked, userId); 6839 mSettings.writePackageRestrictionsLPr(userId); 6840 if (blocked) { 6841 sendRemoved = true; 6842 } else { 6843 sendAdded = true; 6844 } 6845 } 6846 } 6847 if (sendAdded) { 6848 sendPackageAddedForUser(packageName, pkgSetting, userId); 6849 return true; 6850 } 6851 if (sendRemoved) { 6852 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6853 "blocking pkg"); 6854 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6855 } 6856 } finally { 6857 Binder.restoreCallingIdentity(callingId); 6858 } 6859 return false; 6860 } 6861 6862 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6863 int userId) { 6864 final PackageRemovedInfo info = new PackageRemovedInfo(); 6865 info.removedPackage = packageName; 6866 info.removedUsers = new int[] {userId}; 6867 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6868 info.sendBroadcast(false, false, false); 6869 } 6870 6871 /** 6872 * Returns true if application is not found or there was an error. Otherwise it returns 6873 * the blocked state of the package for the given user. 6874 */ 6875 @Override 6876 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6877 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6878 PackageSetting pkgSetting; 6879 final int uid = Binder.getCallingUid(); 6880 if (UserHandle.getUserId(uid) != userId) { 6881 mContext.enforceCallingPermission( 6882 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6883 "getApplicationBlocked for user " + userId); 6884 } 6885 long callingId = Binder.clearCallingIdentity(); 6886 try { 6887 // writer 6888 synchronized (mPackages) { 6889 pkgSetting = mSettings.mPackages.get(packageName); 6890 if (pkgSetting == null) { 6891 return true; 6892 } 6893 return pkgSetting.getBlocked(userId); 6894 } 6895 } finally { 6896 Binder.restoreCallingIdentity(callingId); 6897 } 6898 } 6899 6900 /** 6901 * @hide 6902 */ 6903 @Override 6904 public int installExistingPackageAsUser(String packageName, int userId) { 6905 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6906 null); 6907 PackageSetting pkgSetting; 6908 final int uid = Binder.getCallingUid(); 6909 if (UserHandle.getUserId(uid) != userId) { 6910 mContext.enforceCallingPermission( 6911 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6912 "installExistingPackage for user " + userId); 6913 } 6914 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6915 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6916 } 6917 6918 long callingId = Binder.clearCallingIdentity(); 6919 try { 6920 boolean sendAdded = false; 6921 Bundle extras = new Bundle(1); 6922 6923 // writer 6924 synchronized (mPackages) { 6925 pkgSetting = mSettings.mPackages.get(packageName); 6926 if (pkgSetting == null) { 6927 return PackageManager.INSTALL_FAILED_INVALID_URI; 6928 } 6929 if (!pkgSetting.getInstalled(userId)) { 6930 pkgSetting.setInstalled(true, userId); 6931 pkgSetting.setBlocked(false, userId); 6932 mSettings.writePackageRestrictionsLPr(userId); 6933 sendAdded = true; 6934 } 6935 } 6936 6937 if (sendAdded) { 6938 sendPackageAddedForUser(packageName, pkgSetting, userId); 6939 } 6940 } finally { 6941 Binder.restoreCallingIdentity(callingId); 6942 } 6943 6944 return PackageManager.INSTALL_SUCCEEDED; 6945 } 6946 6947 private boolean isUserRestricted(int userId, String restrictionKey) { 6948 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6949 if (restrictions.getBoolean(restrictionKey, false)) { 6950 Log.w(TAG, "User is restricted: " + restrictionKey); 6951 return true; 6952 } 6953 return false; 6954 } 6955 6956 @Override 6957 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6958 mContext.enforceCallingOrSelfPermission( 6959 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6960 "Only package verification agents can verify applications"); 6961 6962 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6963 final PackageVerificationResponse response = new PackageVerificationResponse( 6964 verificationCode, Binder.getCallingUid()); 6965 msg.arg1 = id; 6966 msg.obj = response; 6967 mHandler.sendMessage(msg); 6968 } 6969 6970 @Override 6971 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6972 long millisecondsToDelay) { 6973 mContext.enforceCallingOrSelfPermission( 6974 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6975 "Only package verification agents can extend verification timeouts"); 6976 6977 final PackageVerificationState state = mPendingVerification.get(id); 6978 final PackageVerificationResponse response = new PackageVerificationResponse( 6979 verificationCodeAtTimeout, Binder.getCallingUid()); 6980 6981 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6982 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6983 } 6984 if (millisecondsToDelay < 0) { 6985 millisecondsToDelay = 0; 6986 } 6987 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6988 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6989 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6990 } 6991 6992 if ((state != null) && !state.timeoutExtended()) { 6993 state.extendTimeout(); 6994 6995 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6996 msg.arg1 = id; 6997 msg.obj = response; 6998 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 6999 } 7000 } 7001 7002 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7003 int verificationCode, UserHandle user) { 7004 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7005 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7006 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7007 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7008 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7009 7010 mContext.sendBroadcastAsUser(intent, user, 7011 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7012 } 7013 7014 private ComponentName matchComponentForVerifier(String packageName, 7015 List<ResolveInfo> receivers) { 7016 ActivityInfo targetReceiver = null; 7017 7018 final int NR = receivers.size(); 7019 for (int i = 0; i < NR; i++) { 7020 final ResolveInfo info = receivers.get(i); 7021 if (info.activityInfo == null) { 7022 continue; 7023 } 7024 7025 if (packageName.equals(info.activityInfo.packageName)) { 7026 targetReceiver = info.activityInfo; 7027 break; 7028 } 7029 } 7030 7031 if (targetReceiver == null) { 7032 return null; 7033 } 7034 7035 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7036 } 7037 7038 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7039 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7040 if (pkgInfo.verifiers.length == 0) { 7041 return null; 7042 } 7043 7044 final int N = pkgInfo.verifiers.length; 7045 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7046 for (int i = 0; i < N; i++) { 7047 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7048 7049 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7050 receivers); 7051 if (comp == null) { 7052 continue; 7053 } 7054 7055 final int verifierUid = getUidForVerifier(verifierInfo); 7056 if (verifierUid == -1) { 7057 continue; 7058 } 7059 7060 if (DEBUG_VERIFY) { 7061 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7062 + " with the correct signature"); 7063 } 7064 sufficientVerifiers.add(comp); 7065 verificationState.addSufficientVerifier(verifierUid); 7066 } 7067 7068 return sufficientVerifiers; 7069 } 7070 7071 private int getUidForVerifier(VerifierInfo verifierInfo) { 7072 synchronized (mPackages) { 7073 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7074 if (pkg == null) { 7075 return -1; 7076 } else if (pkg.mSignatures.length != 1) { 7077 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7078 + " has more than one signature; ignoring"); 7079 return -1; 7080 } 7081 7082 /* 7083 * If the public key of the package's signature does not match 7084 * our expected public key, then this is a different package and 7085 * we should skip. 7086 */ 7087 7088 final byte[] expectedPublicKey; 7089 try { 7090 final Signature verifierSig = pkg.mSignatures[0]; 7091 final PublicKey publicKey = verifierSig.getPublicKey(); 7092 expectedPublicKey = publicKey.getEncoded(); 7093 } catch (CertificateException e) { 7094 return -1; 7095 } 7096 7097 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7098 7099 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7100 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7101 + " does not have the expected public key; ignoring"); 7102 return -1; 7103 } 7104 7105 return pkg.applicationInfo.uid; 7106 } 7107 } 7108 7109 public void finishPackageInstall(int token) { 7110 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7111 7112 if (DEBUG_INSTALL) { 7113 Slog.v(TAG, "BM finishing package install for " + token); 7114 } 7115 7116 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7117 mHandler.sendMessage(msg); 7118 } 7119 7120 /** 7121 * Get the verification agent timeout. 7122 * 7123 * @return verification timeout in milliseconds 7124 */ 7125 private long getVerificationTimeout() { 7126 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7127 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7128 DEFAULT_VERIFICATION_TIMEOUT); 7129 } 7130 7131 /** 7132 * Get the default verification agent response code. 7133 * 7134 * @return default verification response code 7135 */ 7136 private int getDefaultVerificationResponse() { 7137 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7138 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7139 DEFAULT_VERIFICATION_RESPONSE); 7140 } 7141 7142 /** 7143 * Check whether or not package verification has been enabled. 7144 * 7145 * @return true if verification should be performed 7146 */ 7147 private boolean isVerificationEnabled(int flags) { 7148 if (!DEFAULT_VERIFY_ENABLE) { 7149 return false; 7150 } 7151 7152 // Check if installing from ADB 7153 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7154 // Do not run verification in a test harness environment 7155 if (ActivityManager.isRunningInTestHarness()) { 7156 return false; 7157 } 7158 // Check if the developer does not want package verification for ADB installs 7159 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7160 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7161 return false; 7162 } 7163 } 7164 7165 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7166 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7167 } 7168 7169 /** 7170 * Get the "allow unknown sources" setting. 7171 * 7172 * @return the current "allow unknown sources" setting 7173 */ 7174 private int getUnknownSourcesSettings() { 7175 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7176 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7177 -1); 7178 } 7179 7180 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7181 final int uid = Binder.getCallingUid(); 7182 // writer 7183 synchronized (mPackages) { 7184 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7185 if (targetPackageSetting == null) { 7186 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7187 } 7188 7189 PackageSetting installerPackageSetting; 7190 if (installerPackageName != null) { 7191 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7192 if (installerPackageSetting == null) { 7193 throw new IllegalArgumentException("Unknown installer package: " 7194 + installerPackageName); 7195 } 7196 } else { 7197 installerPackageSetting = null; 7198 } 7199 7200 Signature[] callerSignature; 7201 Object obj = mSettings.getUserIdLPr(uid); 7202 if (obj != null) { 7203 if (obj instanceof SharedUserSetting) { 7204 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7205 } else if (obj instanceof PackageSetting) { 7206 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7207 } else { 7208 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7209 } 7210 } else { 7211 throw new SecurityException("Unknown calling uid " + uid); 7212 } 7213 7214 // Verify: can't set installerPackageName to a package that is 7215 // not signed with the same cert as the caller. 7216 if (installerPackageSetting != null) { 7217 if (compareSignatures(callerSignature, 7218 installerPackageSetting.signatures.mSignatures) 7219 != PackageManager.SIGNATURE_MATCH) { 7220 throw new SecurityException( 7221 "Caller does not have same cert as new installer package " 7222 + installerPackageName); 7223 } 7224 } 7225 7226 // Verify: if target already has an installer package, it must 7227 // be signed with the same cert as the caller. 7228 if (targetPackageSetting.installerPackageName != null) { 7229 PackageSetting setting = mSettings.mPackages.get( 7230 targetPackageSetting.installerPackageName); 7231 // If the currently set package isn't valid, then it's always 7232 // okay to change it. 7233 if (setting != null) { 7234 if (compareSignatures(callerSignature, 7235 setting.signatures.mSignatures) 7236 != PackageManager.SIGNATURE_MATCH) { 7237 throw new SecurityException( 7238 "Caller does not have same cert as old installer package " 7239 + targetPackageSetting.installerPackageName); 7240 } 7241 } 7242 } 7243 7244 // Okay! 7245 targetPackageSetting.installerPackageName = installerPackageName; 7246 scheduleWriteSettingsLocked(); 7247 } 7248 } 7249 7250 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7251 // Queue up an async operation since the package installation may take a little while. 7252 mHandler.post(new Runnable() { 7253 public void run() { 7254 mHandler.removeCallbacks(this); 7255 // Result object to be returned 7256 PackageInstalledInfo res = new PackageInstalledInfo(); 7257 res.returnCode = currentStatus; 7258 res.uid = -1; 7259 res.pkg = null; 7260 res.removedInfo = new PackageRemovedInfo(); 7261 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7262 args.doPreInstall(res.returnCode); 7263 synchronized (mInstallLock) { 7264 installPackageLI(args, true, res); 7265 } 7266 args.doPostInstall(res.returnCode, res.uid); 7267 } 7268 7269 // A restore should be performed at this point if (a) the install 7270 // succeeded, (b) the operation is not an update, and (c) the new 7271 // package has a backupAgent defined. 7272 final boolean update = res.removedInfo.removedPackage != null; 7273 boolean doRestore = (!update 7274 && res.pkg != null 7275 && res.pkg.applicationInfo.backupAgentName != null); 7276 7277 // Set up the post-install work request bookkeeping. This will be used 7278 // and cleaned up by the post-install event handling regardless of whether 7279 // there's a restore pass performed. Token values are >= 1. 7280 int token; 7281 if (mNextInstallToken < 0) mNextInstallToken = 1; 7282 token = mNextInstallToken++; 7283 7284 PostInstallData data = new PostInstallData(args, res); 7285 mRunningInstalls.put(token, data); 7286 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7287 7288 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7289 // Pass responsibility to the Backup Manager. It will perform a 7290 // restore if appropriate, then pass responsibility back to the 7291 // Package Manager to run the post-install observer callbacks 7292 // and broadcasts. 7293 IBackupManager bm = IBackupManager.Stub.asInterface( 7294 ServiceManager.getService(Context.BACKUP_SERVICE)); 7295 if (bm != null) { 7296 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7297 + " to BM for possible restore"); 7298 try { 7299 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7300 } catch (RemoteException e) { 7301 // can't happen; the backup manager is local 7302 } catch (Exception e) { 7303 Slog.e(TAG, "Exception trying to enqueue restore", e); 7304 doRestore = false; 7305 } 7306 } else { 7307 Slog.e(TAG, "Backup Manager not found!"); 7308 doRestore = false; 7309 } 7310 } 7311 7312 if (!doRestore) { 7313 // No restore possible, or the Backup Manager was mysteriously not 7314 // available -- just fire the post-install work request directly. 7315 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7316 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7317 mHandler.sendMessage(msg); 7318 } 7319 } 7320 }); 7321 } 7322 7323 private abstract class HandlerParams { 7324 private static final int MAX_RETRIES = 4; 7325 7326 /** 7327 * Number of times startCopy() has been attempted and had a non-fatal 7328 * error. 7329 */ 7330 private int mRetries = 0; 7331 7332 /** User handle for the user requesting the information or installation. */ 7333 private final UserHandle mUser; 7334 7335 HandlerParams(UserHandle user) { 7336 mUser = user; 7337 } 7338 7339 UserHandle getUser() { 7340 return mUser; 7341 } 7342 7343 final boolean startCopy() { 7344 boolean res; 7345 try { 7346 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7347 7348 if (++mRetries > MAX_RETRIES) { 7349 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7350 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7351 handleServiceError(); 7352 return false; 7353 } else { 7354 handleStartCopy(); 7355 res = true; 7356 } 7357 } catch (RemoteException e) { 7358 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7359 mHandler.sendEmptyMessage(MCS_RECONNECT); 7360 res = false; 7361 } 7362 handleReturnCode(); 7363 return res; 7364 } 7365 7366 final void serviceError() { 7367 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7368 handleServiceError(); 7369 handleReturnCode(); 7370 } 7371 7372 abstract void handleStartCopy() throws RemoteException; 7373 abstract void handleServiceError(); 7374 abstract void handleReturnCode(); 7375 } 7376 7377 class MeasureParams extends HandlerParams { 7378 private final PackageStats mStats; 7379 private boolean mSuccess; 7380 7381 private final IPackageStatsObserver mObserver; 7382 7383 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7384 super(new UserHandle(stats.userHandle)); 7385 mObserver = observer; 7386 mStats = stats; 7387 } 7388 7389 @Override 7390 public String toString() { 7391 return "MeasureParams{" 7392 + Integer.toHexString(System.identityHashCode(this)) 7393 + " " + mStats.packageName + "}"; 7394 } 7395 7396 @Override 7397 void handleStartCopy() throws RemoteException { 7398 synchronized (mInstallLock) { 7399 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7400 } 7401 7402 final boolean mounted; 7403 if (Environment.isExternalStorageEmulated()) { 7404 mounted = true; 7405 } else { 7406 final String status = Environment.getExternalStorageState(); 7407 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7408 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7409 } 7410 7411 if (mounted) { 7412 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7413 7414 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7415 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7416 7417 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7418 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7419 7420 // Always subtract cache size, since it's a subdirectory 7421 mStats.externalDataSize -= mStats.externalCacheSize; 7422 7423 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7424 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7425 7426 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7427 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7428 } 7429 } 7430 7431 @Override 7432 void handleReturnCode() { 7433 if (mObserver != null) { 7434 try { 7435 mObserver.onGetStatsCompleted(mStats, mSuccess); 7436 } catch (RemoteException e) { 7437 Slog.i(TAG, "Observer no longer exists."); 7438 } 7439 } 7440 } 7441 7442 @Override 7443 void handleServiceError() { 7444 Slog.e(TAG, "Could not measure application " + mStats.packageName 7445 + " external storage"); 7446 } 7447 } 7448 7449 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7450 throws RemoteException { 7451 long result = 0; 7452 for (File path : paths) { 7453 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7454 } 7455 return result; 7456 } 7457 7458 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7459 for (File path : paths) { 7460 try { 7461 mcs.clearDirectory(path.getAbsolutePath()); 7462 } catch (RemoteException e) { 7463 } 7464 } 7465 } 7466 7467 class InstallParams extends HandlerParams { 7468 final IPackageInstallObserver observer; 7469 int flags; 7470 7471 private final Uri mPackageURI; 7472 final String installerPackageName; 7473 final VerificationParams verificationParams; 7474 private InstallArgs mArgs; 7475 private int mRet; 7476 private File mTempPackage; 7477 final ContainerEncryptionParams encryptionParams; 7478 7479 InstallParams(Uri packageURI, 7480 IPackageInstallObserver observer, int flags, 7481 String installerPackageName, VerificationParams verificationParams, 7482 ContainerEncryptionParams encryptionParams, UserHandle user) { 7483 super(user); 7484 this.mPackageURI = packageURI; 7485 this.flags = flags; 7486 this.observer = observer; 7487 this.installerPackageName = installerPackageName; 7488 this.verificationParams = verificationParams; 7489 this.encryptionParams = encryptionParams; 7490 } 7491 7492 @Override 7493 public String toString() { 7494 return "InstallParams{" 7495 + Integer.toHexString(System.identityHashCode(this)) 7496 + " " + mPackageURI + "}"; 7497 } 7498 7499 public ManifestDigest getManifestDigest() { 7500 if (verificationParams == null) { 7501 return null; 7502 } 7503 return verificationParams.getManifestDigest(); 7504 } 7505 7506 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7507 String packageName = pkgLite.packageName; 7508 int installLocation = pkgLite.installLocation; 7509 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7510 // reader 7511 synchronized (mPackages) { 7512 PackageParser.Package pkg = mPackages.get(packageName); 7513 if (pkg != null) { 7514 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7515 // Check for downgrading. 7516 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7517 if (pkgLite.versionCode < pkg.mVersionCode) { 7518 Slog.w(TAG, "Can't install update of " + packageName 7519 + " update version " + pkgLite.versionCode 7520 + " is older than installed version " 7521 + pkg.mVersionCode); 7522 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7523 } 7524 } 7525 // Check for updated system application. 7526 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7527 if (onSd) { 7528 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7529 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7530 } 7531 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7532 } else { 7533 if (onSd) { 7534 // Install flag overrides everything. 7535 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7536 } 7537 // If current upgrade specifies particular preference 7538 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7539 // Application explicitly specified internal. 7540 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7541 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7542 // App explictly prefers external. Let policy decide 7543 } else { 7544 // Prefer previous location 7545 if (isExternal(pkg)) { 7546 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7547 } 7548 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7549 } 7550 } 7551 } else { 7552 // Invalid install. Return error code 7553 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7554 } 7555 } 7556 } 7557 // All the special cases have been taken care of. 7558 // Return result based on recommended install location. 7559 if (onSd) { 7560 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7561 } 7562 return pkgLite.recommendedInstallLocation; 7563 } 7564 7565 private long getMemoryLowThreshold() { 7566 final DeviceStorageMonitorInternal 7567 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7568 if (dsm == null) { 7569 return 0L; 7570 } 7571 return dsm.getMemoryLowThreshold(); 7572 } 7573 7574 /* 7575 * Invoke remote method to get package information and install 7576 * location values. Override install location based on default 7577 * policy if needed and then create install arguments based 7578 * on the install location. 7579 */ 7580 public void handleStartCopy() throws RemoteException { 7581 int ret = PackageManager.INSTALL_SUCCEEDED; 7582 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7583 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7584 PackageInfoLite pkgLite = null; 7585 7586 if (onInt && onSd) { 7587 // Check if both bits are set. 7588 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7589 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7590 } else { 7591 final long lowThreshold = getMemoryLowThreshold(); 7592 if (lowThreshold == 0L) { 7593 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7594 } 7595 7596 try { 7597 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7598 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7599 7600 final File packageFile; 7601 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7602 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7603 if (mTempPackage != null) { 7604 ParcelFileDescriptor out; 7605 try { 7606 out = ParcelFileDescriptor.open(mTempPackage, 7607 ParcelFileDescriptor.MODE_READ_WRITE); 7608 } catch (FileNotFoundException e) { 7609 out = null; 7610 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7611 } 7612 7613 // Make a temporary file for decryption. 7614 ret = mContainerService 7615 .copyResource(mPackageURI, encryptionParams, out); 7616 IoUtils.closeQuietly(out); 7617 7618 packageFile = mTempPackage; 7619 7620 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7621 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7622 | FileUtils.S_IROTH, 7623 -1, -1); 7624 } else { 7625 packageFile = null; 7626 } 7627 } else { 7628 packageFile = new File(mPackageURI.getPath()); 7629 } 7630 7631 if (packageFile != null) { 7632 // Remote call to find out default install location 7633 final String packageFilePath = packageFile.getAbsolutePath(); 7634 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7635 lowThreshold); 7636 7637 /* 7638 * If we have too little free space, try to free cache 7639 * before giving up. 7640 */ 7641 if (pkgLite.recommendedInstallLocation 7642 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7643 final long size = mContainerService.calculateInstalledSize( 7644 packageFilePath, isForwardLocked()); 7645 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7646 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7647 flags, lowThreshold); 7648 } 7649 /* 7650 * The cache free must have deleted the file we 7651 * downloaded to install. 7652 * 7653 * TODO: fix the "freeCache" call to not delete 7654 * the file we care about. 7655 */ 7656 if (pkgLite.recommendedInstallLocation 7657 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7658 pkgLite.recommendedInstallLocation 7659 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7660 } 7661 } 7662 } 7663 } finally { 7664 mContext.revokeUriPermission(mPackageURI, 7665 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7666 } 7667 } 7668 7669 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7670 int loc = pkgLite.recommendedInstallLocation; 7671 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7672 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7673 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7674 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7675 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7676 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7677 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7678 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7679 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7680 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7681 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7682 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7683 } else { 7684 // Override with defaults if needed. 7685 loc = installLocationPolicy(pkgLite, flags); 7686 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7687 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7688 } else if (!onSd && !onInt) { 7689 // Override install location with flags 7690 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7691 // Set the flag to install on external media. 7692 flags |= PackageManager.INSTALL_EXTERNAL; 7693 flags &= ~PackageManager.INSTALL_INTERNAL; 7694 } else { 7695 // Make sure the flag for installing on external 7696 // media is unset 7697 flags |= PackageManager.INSTALL_INTERNAL; 7698 flags &= ~PackageManager.INSTALL_EXTERNAL; 7699 } 7700 } 7701 } 7702 } 7703 7704 final InstallArgs args = createInstallArgs(this); 7705 mArgs = args; 7706 7707 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7708 /* 7709 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7710 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7711 */ 7712 int userIdentifier = getUser().getIdentifier(); 7713 if (userIdentifier == UserHandle.USER_ALL 7714 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7715 userIdentifier = UserHandle.USER_OWNER; 7716 } 7717 7718 /* 7719 * Determine if we have any installed package verifiers. If we 7720 * do, then we'll defer to them to verify the packages. 7721 */ 7722 final int requiredUid = mRequiredVerifierPackage == null ? -1 7723 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7724 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7725 final Intent verification = new Intent( 7726 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7727 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7728 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7729 7730 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7731 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7732 0 /* TODO: Which userId? */); 7733 7734 if (DEBUG_VERIFY) { 7735 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7736 + verification.toString() + " with " + pkgLite.verifiers.length 7737 + " optional verifiers"); 7738 } 7739 7740 final int verificationId = mPendingVerificationToken++; 7741 7742 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7743 7744 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7745 installerPackageName); 7746 7747 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7748 7749 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7750 pkgLite.packageName); 7751 7752 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7753 pkgLite.versionCode); 7754 7755 if (verificationParams != null) { 7756 if (verificationParams.getVerificationURI() != null) { 7757 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7758 verificationParams.getVerificationURI()); 7759 } 7760 if (verificationParams.getOriginatingURI() != null) { 7761 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7762 verificationParams.getOriginatingURI()); 7763 } 7764 if (verificationParams.getReferrer() != null) { 7765 verification.putExtra(Intent.EXTRA_REFERRER, 7766 verificationParams.getReferrer()); 7767 } 7768 if (verificationParams.getOriginatingUid() >= 0) { 7769 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7770 verificationParams.getOriginatingUid()); 7771 } 7772 if (verificationParams.getInstallerUid() >= 0) { 7773 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7774 verificationParams.getInstallerUid()); 7775 } 7776 } 7777 7778 final PackageVerificationState verificationState = new PackageVerificationState( 7779 requiredUid, args); 7780 7781 mPendingVerification.append(verificationId, verificationState); 7782 7783 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7784 receivers, verificationState); 7785 7786 /* 7787 * If any sufficient verifiers were listed in the package 7788 * manifest, attempt to ask them. 7789 */ 7790 if (sufficientVerifiers != null) { 7791 final int N = sufficientVerifiers.size(); 7792 if (N == 0) { 7793 Slog.i(TAG, "Additional verifiers required, but none installed."); 7794 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7795 } else { 7796 for (int i = 0; i < N; i++) { 7797 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7798 7799 final Intent sufficientIntent = new Intent(verification); 7800 sufficientIntent.setComponent(verifierComponent); 7801 7802 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7803 } 7804 } 7805 } 7806 7807 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7808 mRequiredVerifierPackage, receivers); 7809 if (ret == PackageManager.INSTALL_SUCCEEDED 7810 && mRequiredVerifierPackage != null) { 7811 /* 7812 * Send the intent to the required verification agent, 7813 * but only start the verification timeout after the 7814 * target BroadcastReceivers have run. 7815 */ 7816 verification.setComponent(requiredVerifierComponent); 7817 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7818 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7819 new BroadcastReceiver() { 7820 @Override 7821 public void onReceive(Context context, Intent intent) { 7822 final Message msg = mHandler 7823 .obtainMessage(CHECK_PENDING_VERIFICATION); 7824 msg.arg1 = verificationId; 7825 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7826 } 7827 }, null, 0, null, null); 7828 7829 /* 7830 * We don't want the copy to proceed until verification 7831 * succeeds, so null out this field. 7832 */ 7833 mArgs = null; 7834 } 7835 } else { 7836 /* 7837 * No package verification is enabled, so immediately start 7838 * the remote call to initiate copy using temporary file. 7839 */ 7840 ret = args.copyApk(mContainerService, true); 7841 } 7842 } 7843 7844 mRet = ret; 7845 } 7846 7847 @Override 7848 void handleReturnCode() { 7849 // If mArgs is null, then MCS couldn't be reached. When it 7850 // reconnects, it will try again to install. At that point, this 7851 // will succeed. 7852 if (mArgs != null) { 7853 processPendingInstall(mArgs, mRet); 7854 7855 if (mTempPackage != null) { 7856 if (!mTempPackage.delete()) { 7857 Slog.w(TAG, "Couldn't delete temporary file: " + 7858 mTempPackage.getAbsolutePath()); 7859 } 7860 } 7861 } 7862 } 7863 7864 @Override 7865 void handleServiceError() { 7866 mArgs = createInstallArgs(this); 7867 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7868 } 7869 7870 public boolean isForwardLocked() { 7871 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7872 } 7873 7874 public Uri getPackageUri() { 7875 if (mTempPackage != null) { 7876 return Uri.fromFile(mTempPackage); 7877 } else { 7878 return mPackageURI; 7879 } 7880 } 7881 } 7882 7883 /* 7884 * Utility class used in movePackage api. 7885 * srcArgs and targetArgs are not set for invalid flags and make 7886 * sure to do null checks when invoking methods on them. 7887 * We probably want to return ErrorPrams for both failed installs 7888 * and moves. 7889 */ 7890 class MoveParams extends HandlerParams { 7891 final IPackageMoveObserver observer; 7892 final int flags; 7893 final String packageName; 7894 final InstallArgs srcArgs; 7895 final InstallArgs targetArgs; 7896 int uid; 7897 int mRet; 7898 7899 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7900 String packageName, String dataDir, int uid, UserHandle user) { 7901 super(user); 7902 this.srcArgs = srcArgs; 7903 this.observer = observer; 7904 this.flags = flags; 7905 this.packageName = packageName; 7906 this.uid = uid; 7907 if (srcArgs != null) { 7908 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7909 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7910 } else { 7911 targetArgs = null; 7912 } 7913 } 7914 7915 @Override 7916 public String toString() { 7917 return "MoveParams{" 7918 + Integer.toHexString(System.identityHashCode(this)) 7919 + " " + packageName + "}"; 7920 } 7921 7922 public void handleStartCopy() throws RemoteException { 7923 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7924 // Check for storage space on target medium 7925 if (!targetArgs.checkFreeStorage(mContainerService)) { 7926 Log.w(TAG, "Insufficient storage to install"); 7927 return; 7928 } 7929 7930 mRet = srcArgs.doPreCopy(); 7931 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7932 return; 7933 } 7934 7935 mRet = targetArgs.copyApk(mContainerService, false); 7936 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7937 srcArgs.doPostCopy(uid); 7938 return; 7939 } 7940 7941 mRet = srcArgs.doPostCopy(uid); 7942 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7943 return; 7944 } 7945 7946 mRet = targetArgs.doPreInstall(mRet); 7947 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7948 return; 7949 } 7950 7951 if (DEBUG_SD_INSTALL) { 7952 StringBuilder builder = new StringBuilder(); 7953 if (srcArgs != null) { 7954 builder.append("src: "); 7955 builder.append(srcArgs.getCodePath()); 7956 } 7957 if (targetArgs != null) { 7958 builder.append(" target : "); 7959 builder.append(targetArgs.getCodePath()); 7960 } 7961 Log.i(TAG, builder.toString()); 7962 } 7963 } 7964 7965 @Override 7966 void handleReturnCode() { 7967 targetArgs.doPostInstall(mRet, uid); 7968 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7969 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7970 currentStatus = PackageManager.MOVE_SUCCEEDED; 7971 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7972 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7973 } 7974 processPendingMove(this, currentStatus); 7975 } 7976 7977 @Override 7978 void handleServiceError() { 7979 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7980 } 7981 } 7982 7983 /** 7984 * Used during creation of InstallArgs 7985 * 7986 * @param flags package installation flags 7987 * @return true if should be installed on external storage 7988 */ 7989 private static boolean installOnSd(int flags) { 7990 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7991 return false; 7992 } 7993 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7994 return true; 7995 } 7996 return false; 7997 } 7998 7999 /** 8000 * Used during creation of InstallArgs 8001 * 8002 * @param flags package installation flags 8003 * @return true if should be installed as forward locked 8004 */ 8005 private static boolean installForwardLocked(int flags) { 8006 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8007 } 8008 8009 private InstallArgs createInstallArgs(InstallParams params) { 8010 if (installOnSd(params.flags) || params.isForwardLocked()) { 8011 return new AsecInstallArgs(params); 8012 } else { 8013 return new FileInstallArgs(params); 8014 } 8015 } 8016 8017 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8018 String nativeLibraryPath) { 8019 final boolean isInAsec; 8020 if (installOnSd(flags)) { 8021 /* Apps on SD card are always in ASEC containers. */ 8022 isInAsec = true; 8023 } else if (installForwardLocked(flags) 8024 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8025 /* 8026 * Forward-locked apps are only in ASEC containers if they're the 8027 * new style 8028 */ 8029 isInAsec = true; 8030 } else { 8031 isInAsec = false; 8032 } 8033 8034 if (isInAsec) { 8035 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8036 installOnSd(flags), installForwardLocked(flags)); 8037 } else { 8038 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8039 } 8040 } 8041 8042 // Used by package mover 8043 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8044 if (installOnSd(flags) || installForwardLocked(flags)) { 8045 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8046 + AsecInstallArgs.RES_FILE_NAME); 8047 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8048 installForwardLocked(flags)); 8049 } else { 8050 return new FileInstallArgs(packageURI, pkgName, dataDir); 8051 } 8052 } 8053 8054 static abstract class InstallArgs { 8055 final IPackageInstallObserver observer; 8056 // Always refers to PackageManager flags only 8057 final int flags; 8058 final Uri packageURI; 8059 final String installerPackageName; 8060 final ManifestDigest manifestDigest; 8061 final UserHandle user; 8062 8063 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8064 String installerPackageName, ManifestDigest manifestDigest, 8065 UserHandle user) { 8066 this.packageURI = packageURI; 8067 this.flags = flags; 8068 this.observer = observer; 8069 this.installerPackageName = installerPackageName; 8070 this.manifestDigest = manifestDigest; 8071 this.user = user; 8072 } 8073 8074 abstract void createCopyFile(); 8075 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8076 abstract int doPreInstall(int status); 8077 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8078 8079 abstract int doPostInstall(int status, int uid); 8080 abstract String getCodePath(); 8081 abstract String getResourcePath(); 8082 abstract String getNativeLibraryPath(); 8083 // Need installer lock especially for dex file removal. 8084 abstract void cleanUpResourcesLI(); 8085 abstract boolean doPostDeleteLI(boolean delete); 8086 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8087 8088 /** 8089 * Called before the source arguments are copied. This is used mostly 8090 * for MoveParams when it needs to read the source file to put it in the 8091 * destination. 8092 */ 8093 int doPreCopy() { 8094 return PackageManager.INSTALL_SUCCEEDED; 8095 } 8096 8097 /** 8098 * Called after the source arguments are copied. This is used mostly for 8099 * MoveParams when it needs to read the source file to put it in the 8100 * destination. 8101 * 8102 * @return 8103 */ 8104 int doPostCopy(int uid) { 8105 return PackageManager.INSTALL_SUCCEEDED; 8106 } 8107 8108 protected boolean isFwdLocked() { 8109 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8110 } 8111 8112 UserHandle getUser() { 8113 return user; 8114 } 8115 } 8116 8117 class FileInstallArgs extends InstallArgs { 8118 File installDir; 8119 String codeFileName; 8120 String resourceFileName; 8121 String libraryPath; 8122 boolean created = false; 8123 8124 FileInstallArgs(InstallParams params) { 8125 super(params.getPackageUri(), params.observer, params.flags, 8126 params.installerPackageName, params.getManifestDigest(), 8127 params.getUser()); 8128 } 8129 8130 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8131 super(null, null, 0, null, null, null); 8132 File codeFile = new File(fullCodePath); 8133 installDir = codeFile.getParentFile(); 8134 codeFileName = fullCodePath; 8135 resourceFileName = fullResourcePath; 8136 libraryPath = nativeLibraryPath; 8137 } 8138 8139 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8140 super(packageURI, null, 0, null, null, null); 8141 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8142 String apkName = getNextCodePath(null, pkgName, ".apk"); 8143 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8144 resourceFileName = getResourcePathFromCodePath(); 8145 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8146 } 8147 8148 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8149 final long lowThreshold; 8150 8151 final DeviceStorageMonitorInternal 8152 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8153 if (dsm == null) { 8154 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8155 lowThreshold = 0L; 8156 } else { 8157 if (dsm.isMemoryLow()) { 8158 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8159 return false; 8160 } 8161 8162 lowThreshold = dsm.getMemoryLowThreshold(); 8163 } 8164 8165 try { 8166 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8167 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8168 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8169 } finally { 8170 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8171 } 8172 } 8173 8174 String getCodePath() { 8175 return codeFileName; 8176 } 8177 8178 void createCopyFile() { 8179 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8180 codeFileName = createTempPackageFile(installDir).getPath(); 8181 resourceFileName = getResourcePathFromCodePath(); 8182 libraryPath = getLibraryPathFromCodePath(); 8183 created = true; 8184 } 8185 8186 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8187 if (temp) { 8188 // Generate temp file name 8189 createCopyFile(); 8190 } 8191 // Get a ParcelFileDescriptor to write to the output file 8192 File codeFile = new File(codeFileName); 8193 if (!created) { 8194 try { 8195 codeFile.createNewFile(); 8196 // Set permissions 8197 if (!setPermissions()) { 8198 // Failed setting permissions. 8199 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8200 } 8201 } catch (IOException e) { 8202 Slog.w(TAG, "Failed to create file " + codeFile); 8203 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8204 } 8205 } 8206 ParcelFileDescriptor out = null; 8207 try { 8208 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8209 } catch (FileNotFoundException e) { 8210 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8211 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8212 } 8213 // Copy the resource now 8214 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8215 try { 8216 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8217 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8218 ret = imcs.copyResource(packageURI, null, out); 8219 } finally { 8220 IoUtils.closeQuietly(out); 8221 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8222 } 8223 8224 if (isFwdLocked()) { 8225 final File destResourceFile = new File(getResourcePath()); 8226 8227 // Copy the public files 8228 try { 8229 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8230 } catch (IOException e) { 8231 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8232 + " forward-locked app."); 8233 destResourceFile.delete(); 8234 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8235 } 8236 } 8237 8238 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8239 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8240 if (nativeLibraryFile.exists()) { 8241 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8242 nativeLibraryFile.delete(); 8243 } 8244 try { 8245 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8246 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8247 return copyRet; 8248 } 8249 } catch (IOException e) { 8250 Slog.e(TAG, "Copying native libraries failed", e); 8251 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8252 } 8253 8254 return ret; 8255 } 8256 8257 int doPreInstall(int status) { 8258 if (status != PackageManager.INSTALL_SUCCEEDED) { 8259 cleanUp(); 8260 } 8261 return status; 8262 } 8263 8264 boolean doRename(int status, final String pkgName, String oldCodePath) { 8265 if (status != PackageManager.INSTALL_SUCCEEDED) { 8266 cleanUp(); 8267 return false; 8268 } else { 8269 final File oldCodeFile = new File(getCodePath()); 8270 final File oldResourceFile = new File(getResourcePath()); 8271 final File oldLibraryFile = new File(getNativeLibraryPath()); 8272 8273 // Rename APK file based on packageName 8274 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8275 final File newCodeFile = new File(installDir, apkName + ".apk"); 8276 if (!oldCodeFile.renameTo(newCodeFile)) { 8277 return false; 8278 } 8279 codeFileName = newCodeFile.getPath(); 8280 8281 // Rename public resource file if it's forward-locked. 8282 final File newResFile = new File(getResourcePathFromCodePath()); 8283 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8284 return false; 8285 } 8286 resourceFileName = newResFile.getPath(); 8287 8288 // Rename library path 8289 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8290 if (newLibraryFile.exists()) { 8291 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8292 newLibraryFile.delete(); 8293 } 8294 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8295 Slog.e(TAG, "Cannot rename native library directory " 8296 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8297 return false; 8298 } 8299 libraryPath = newLibraryFile.getPath(); 8300 8301 // Attempt to set permissions 8302 if (!setPermissions()) { 8303 return false; 8304 } 8305 8306 if (!SELinux.restorecon(newCodeFile)) { 8307 return false; 8308 } 8309 8310 return true; 8311 } 8312 } 8313 8314 int doPostInstall(int status, int uid) { 8315 if (status != PackageManager.INSTALL_SUCCEEDED) { 8316 cleanUp(); 8317 } 8318 return status; 8319 } 8320 8321 String getResourcePath() { 8322 return resourceFileName; 8323 } 8324 8325 private String getResourcePathFromCodePath() { 8326 final String codePath = getCodePath(); 8327 if (isFwdLocked()) { 8328 final StringBuilder sb = new StringBuilder(); 8329 8330 sb.append(mAppInstallDir.getPath()); 8331 sb.append('/'); 8332 sb.append(getApkName(codePath)); 8333 sb.append(".zip"); 8334 8335 /* 8336 * If our APK is a temporary file, mark the resource as a 8337 * temporary file as well so it can be cleaned up after 8338 * catastrophic failure. 8339 */ 8340 if (codePath.endsWith(".tmp")) { 8341 sb.append(".tmp"); 8342 } 8343 8344 return sb.toString(); 8345 } else { 8346 return codePath; 8347 } 8348 } 8349 8350 private String getLibraryPathFromCodePath() { 8351 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8352 } 8353 8354 @Override 8355 String getNativeLibraryPath() { 8356 if (libraryPath == null) { 8357 libraryPath = getLibraryPathFromCodePath(); 8358 } 8359 return libraryPath; 8360 } 8361 8362 private boolean cleanUp() { 8363 boolean ret = true; 8364 String sourceDir = getCodePath(); 8365 String publicSourceDir = getResourcePath(); 8366 if (sourceDir != null) { 8367 File sourceFile = new File(sourceDir); 8368 if (!sourceFile.exists()) { 8369 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8370 ret = false; 8371 } 8372 // Delete application's code and resources 8373 sourceFile.delete(); 8374 } 8375 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8376 final File publicSourceFile = new File(publicSourceDir); 8377 if (!publicSourceFile.exists()) { 8378 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8379 } 8380 if (publicSourceFile.exists()) { 8381 publicSourceFile.delete(); 8382 } 8383 } 8384 8385 if (libraryPath != null) { 8386 File nativeLibraryFile = new File(libraryPath); 8387 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8388 if (!nativeLibraryFile.delete()) { 8389 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8390 } 8391 } 8392 8393 return ret; 8394 } 8395 8396 void cleanUpResourcesLI() { 8397 String sourceDir = getCodePath(); 8398 if (cleanUp()) { 8399 int retCode = mInstaller.rmdex(sourceDir); 8400 if (retCode < 0) { 8401 Slog.w(TAG, "Couldn't remove dex file for package: " 8402 + " at location " 8403 + sourceDir + ", retcode=" + retCode); 8404 // we don't consider this to be a failure of the core package deletion 8405 } 8406 } 8407 } 8408 8409 private boolean setPermissions() { 8410 // TODO Do this in a more elegant way later on. for now just a hack 8411 if (!isFwdLocked()) { 8412 final int filePermissions = 8413 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8414 |FileUtils.S_IROTH; 8415 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8416 if (retCode != 0) { 8417 Slog.e(TAG, "Couldn't set new package file permissions for " + 8418 getCodePath() 8419 + ". The return code was: " + retCode); 8420 // TODO Define new internal error 8421 return false; 8422 } 8423 return true; 8424 } 8425 return true; 8426 } 8427 8428 boolean doPostDeleteLI(boolean delete) { 8429 // XXX err, shouldn't we respect the delete flag? 8430 cleanUpResourcesLI(); 8431 return true; 8432 } 8433 } 8434 8435 private boolean isAsecExternal(String cid) { 8436 final String asecPath = PackageHelper.getSdFilesystem(cid); 8437 return !asecPath.startsWith(mAsecInternalPath); 8438 } 8439 8440 /** 8441 * Extract the MountService "container ID" from the full code path of an 8442 * .apk. 8443 */ 8444 static String cidFromCodePath(String fullCodePath) { 8445 int eidx = fullCodePath.lastIndexOf("/"); 8446 String subStr1 = fullCodePath.substring(0, eidx); 8447 int sidx = subStr1.lastIndexOf("/"); 8448 return subStr1.substring(sidx+1, eidx); 8449 } 8450 8451 class AsecInstallArgs extends InstallArgs { 8452 static final String RES_FILE_NAME = "pkg.apk"; 8453 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8454 8455 String cid; 8456 String packagePath; 8457 String resourcePath; 8458 String libraryPath; 8459 8460 AsecInstallArgs(InstallParams params) { 8461 super(params.getPackageUri(), params.observer, params.flags, 8462 params.installerPackageName, params.getManifestDigest(), 8463 params.getUser()); 8464 } 8465 8466 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8467 boolean isExternal, boolean isForwardLocked) { 8468 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8469 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8470 null, null, null); 8471 // Extract cid from fullCodePath 8472 int eidx = fullCodePath.lastIndexOf("/"); 8473 String subStr1 = fullCodePath.substring(0, eidx); 8474 int sidx = subStr1.lastIndexOf("/"); 8475 cid = subStr1.substring(sidx+1, eidx); 8476 setCachePath(subStr1); 8477 } 8478 8479 AsecInstallArgs(String cid, boolean isForwardLocked) { 8480 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8481 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8482 null, null, null); 8483 this.cid = cid; 8484 setCachePath(PackageHelper.getSdDir(cid)); 8485 } 8486 8487 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8488 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8489 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8490 null, null, null); 8491 this.cid = cid; 8492 } 8493 8494 void createCopyFile() { 8495 cid = getTempContainerId(); 8496 } 8497 8498 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8499 try { 8500 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8501 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8502 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8503 } finally { 8504 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8505 } 8506 } 8507 8508 private final boolean isExternal() { 8509 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8510 } 8511 8512 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8513 if (temp) { 8514 createCopyFile(); 8515 } else { 8516 /* 8517 * Pre-emptively destroy the container since it's destroyed if 8518 * copying fails due to it existing anyway. 8519 */ 8520 PackageHelper.destroySdDir(cid); 8521 } 8522 8523 final String newCachePath; 8524 try { 8525 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8526 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8527 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8528 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8529 } finally { 8530 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8531 } 8532 8533 if (newCachePath != null) { 8534 setCachePath(newCachePath); 8535 return PackageManager.INSTALL_SUCCEEDED; 8536 } else { 8537 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8538 } 8539 } 8540 8541 @Override 8542 String getCodePath() { 8543 return packagePath; 8544 } 8545 8546 @Override 8547 String getResourcePath() { 8548 return resourcePath; 8549 } 8550 8551 @Override 8552 String getNativeLibraryPath() { 8553 return libraryPath; 8554 } 8555 8556 int doPreInstall(int status) { 8557 if (status != PackageManager.INSTALL_SUCCEEDED) { 8558 // Destroy container 8559 PackageHelper.destroySdDir(cid); 8560 } else { 8561 boolean mounted = PackageHelper.isContainerMounted(cid); 8562 if (!mounted) { 8563 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8564 Process.SYSTEM_UID); 8565 if (newCachePath != null) { 8566 setCachePath(newCachePath); 8567 } else { 8568 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8569 } 8570 } 8571 } 8572 return status; 8573 } 8574 8575 boolean doRename(int status, final String pkgName, 8576 String oldCodePath) { 8577 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8578 String newCachePath = null; 8579 if (PackageHelper.isContainerMounted(cid)) { 8580 // Unmount the container 8581 if (!PackageHelper.unMountSdDir(cid)) { 8582 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8583 return false; 8584 } 8585 } 8586 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8587 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8588 " which might be stale. Will try to clean up."); 8589 // Clean up the stale container and proceed to recreate. 8590 if (!PackageHelper.destroySdDir(newCacheId)) { 8591 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8592 return false; 8593 } 8594 // Successfully cleaned up stale container. Try to rename again. 8595 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8596 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8597 + " inspite of cleaning it up."); 8598 return false; 8599 } 8600 } 8601 if (!PackageHelper.isContainerMounted(newCacheId)) { 8602 Slog.w(TAG, "Mounting container " + newCacheId); 8603 newCachePath = PackageHelper.mountSdDir(newCacheId, 8604 getEncryptKey(), Process.SYSTEM_UID); 8605 } else { 8606 newCachePath = PackageHelper.getSdDir(newCacheId); 8607 } 8608 if (newCachePath == null) { 8609 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8610 return false; 8611 } 8612 Log.i(TAG, "Succesfully renamed " + cid + 8613 " to " + newCacheId + 8614 " at new path: " + newCachePath); 8615 cid = newCacheId; 8616 setCachePath(newCachePath); 8617 return true; 8618 } 8619 8620 private void setCachePath(String newCachePath) { 8621 File cachePath = new File(newCachePath); 8622 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8623 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8624 8625 if (isFwdLocked()) { 8626 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8627 } else { 8628 resourcePath = packagePath; 8629 } 8630 } 8631 8632 int doPostInstall(int status, int uid) { 8633 if (status != PackageManager.INSTALL_SUCCEEDED) { 8634 cleanUp(); 8635 } else { 8636 final int groupOwner; 8637 final String protectedFile; 8638 if (isFwdLocked()) { 8639 groupOwner = UserHandle.getSharedAppGid(uid); 8640 protectedFile = RES_FILE_NAME; 8641 } else { 8642 groupOwner = -1; 8643 protectedFile = null; 8644 } 8645 8646 if (uid < Process.FIRST_APPLICATION_UID 8647 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8648 Slog.e(TAG, "Failed to finalize " + cid); 8649 PackageHelper.destroySdDir(cid); 8650 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8651 } 8652 8653 boolean mounted = PackageHelper.isContainerMounted(cid); 8654 if (!mounted) { 8655 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8656 } 8657 } 8658 return status; 8659 } 8660 8661 private void cleanUp() { 8662 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8663 8664 // Destroy secure container 8665 PackageHelper.destroySdDir(cid); 8666 } 8667 8668 void cleanUpResourcesLI() { 8669 String sourceFile = getCodePath(); 8670 // Remove dex file 8671 int retCode = mInstaller.rmdex(sourceFile); 8672 if (retCode < 0) { 8673 Slog.w(TAG, "Couldn't remove dex file for package: " 8674 + " at location " 8675 + sourceFile.toString() + ", retcode=" + retCode); 8676 // we don't consider this to be a failure of the core package deletion 8677 } 8678 cleanUp(); 8679 } 8680 8681 boolean matchContainer(String app) { 8682 if (cid.startsWith(app)) { 8683 return true; 8684 } 8685 return false; 8686 } 8687 8688 String getPackageName() { 8689 return getAsecPackageName(cid); 8690 } 8691 8692 boolean doPostDeleteLI(boolean delete) { 8693 boolean ret = false; 8694 boolean mounted = PackageHelper.isContainerMounted(cid); 8695 if (mounted) { 8696 // Unmount first 8697 ret = PackageHelper.unMountSdDir(cid); 8698 } 8699 if (ret && delete) { 8700 cleanUpResourcesLI(); 8701 } 8702 return ret; 8703 } 8704 8705 @Override 8706 int doPreCopy() { 8707 if (isFwdLocked()) { 8708 if (!PackageHelper.fixSdPermissions(cid, 8709 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8710 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8711 } 8712 } 8713 8714 return PackageManager.INSTALL_SUCCEEDED; 8715 } 8716 8717 @Override 8718 int doPostCopy(int uid) { 8719 if (isFwdLocked()) { 8720 if (uid < Process.FIRST_APPLICATION_UID 8721 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8722 RES_FILE_NAME)) { 8723 Slog.e(TAG, "Failed to finalize " + cid); 8724 PackageHelper.destroySdDir(cid); 8725 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8726 } 8727 } 8728 8729 return PackageManager.INSTALL_SUCCEEDED; 8730 } 8731 }; 8732 8733 static String getAsecPackageName(String packageCid) { 8734 int idx = packageCid.lastIndexOf("-"); 8735 if (idx == -1) { 8736 return packageCid; 8737 } 8738 return packageCid.substring(0, idx); 8739 } 8740 8741 // Utility method used to create code paths based on package name and available index. 8742 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8743 String idxStr = ""; 8744 int idx = 1; 8745 // Fall back to default value of idx=1 if prefix is not 8746 // part of oldCodePath 8747 if (oldCodePath != null) { 8748 String subStr = oldCodePath; 8749 // Drop the suffix right away 8750 if (subStr.endsWith(suffix)) { 8751 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8752 } 8753 // If oldCodePath already contains prefix find out the 8754 // ending index to either increment or decrement. 8755 int sidx = subStr.lastIndexOf(prefix); 8756 if (sidx != -1) { 8757 subStr = subStr.substring(sidx + prefix.length()); 8758 if (subStr != null) { 8759 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8760 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8761 } 8762 try { 8763 idx = Integer.parseInt(subStr); 8764 if (idx <= 1) { 8765 idx++; 8766 } else { 8767 idx--; 8768 } 8769 } catch(NumberFormatException e) { 8770 } 8771 } 8772 } 8773 } 8774 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8775 return prefix + idxStr; 8776 } 8777 8778 // Utility method used to ignore ADD/REMOVE events 8779 // by directory observer. 8780 private static boolean ignoreCodePath(String fullPathStr) { 8781 String apkName = getApkName(fullPathStr); 8782 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8783 if (idx != -1 && ((idx+1) < apkName.length())) { 8784 // Make sure the package ends with a numeral 8785 String version = apkName.substring(idx+1); 8786 try { 8787 Integer.parseInt(version); 8788 return true; 8789 } catch (NumberFormatException e) {} 8790 } 8791 return false; 8792 } 8793 8794 // Utility method that returns the relative package path with respect 8795 // to the installation directory. Like say for /data/data/com.test-1.apk 8796 // string com.test-1 is returned. 8797 static String getApkName(String codePath) { 8798 if (codePath == null) { 8799 return null; 8800 } 8801 int sidx = codePath.lastIndexOf("/"); 8802 int eidx = codePath.lastIndexOf("."); 8803 if (eidx == -1) { 8804 eidx = codePath.length(); 8805 } else if (eidx == 0) { 8806 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8807 return null; 8808 } 8809 return codePath.substring(sidx+1, eidx); 8810 } 8811 8812 class PackageInstalledInfo { 8813 String name; 8814 int uid; 8815 // The set of users that originally had this package installed. 8816 int[] origUsers; 8817 // The set of users that now have this package installed. 8818 int[] newUsers; 8819 PackageParser.Package pkg; 8820 int returnCode; 8821 PackageRemovedInfo removedInfo; 8822 } 8823 8824 /* 8825 * Install a non-existing package. 8826 */ 8827 private void installNewPackageLI(PackageParser.Package pkg, 8828 int parseFlags, int scanMode, UserHandle user, 8829 String installerPackageName, PackageInstalledInfo res) { 8830 // Remember this for later, in case we need to rollback this install 8831 String pkgName = pkg.packageName; 8832 8833 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8834 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8835 synchronized(mPackages) { 8836 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8837 // A package with the same name is already installed, though 8838 // it has been renamed to an older name. The package we 8839 // are trying to install should be installed as an update to 8840 // the existing one, but that has not been requested, so bail. 8841 Slog.w(TAG, "Attempt to re-install " + pkgName 8842 + " without first uninstalling package running as " 8843 + mSettings.mRenamedPackages.get(pkgName)); 8844 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8845 return; 8846 } 8847 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8848 // Don't allow installation over an existing package with the same name. 8849 Slog.w(TAG, "Attempt to re-install " + pkgName 8850 + " without first uninstalling."); 8851 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8852 return; 8853 } 8854 } 8855 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8856 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8857 System.currentTimeMillis(), user); 8858 if (newPackage == null) { 8859 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8860 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8861 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8862 } 8863 } else { 8864 updateSettingsLI(newPackage, 8865 installerPackageName, 8866 null, null, 8867 res); 8868 // delete the partially installed application. the data directory will have to be 8869 // restored if it was already existing 8870 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8871 // remove package from internal structures. Note that we want deletePackageX to 8872 // delete the package data and cache directories that it created in 8873 // scanPackageLocked, unless those directories existed before we even tried to 8874 // install. 8875 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8876 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8877 res.removedInfo, true); 8878 } 8879 } 8880 } 8881 8882 private void replacePackageLI(PackageParser.Package pkg, 8883 int parseFlags, int scanMode, UserHandle user, 8884 String installerPackageName, PackageInstalledInfo res) { 8885 8886 PackageParser.Package oldPackage; 8887 String pkgName = pkg.packageName; 8888 int[] allUsers; 8889 boolean[] perUserInstalled; 8890 8891 // First find the old package info and check signatures 8892 synchronized(mPackages) { 8893 oldPackage = mPackages.get(pkgName); 8894 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8895 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8896 != PackageManager.SIGNATURE_MATCH) { 8897 Slog.w(TAG, "New package has a different signature: " + pkgName); 8898 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8899 return; 8900 } 8901 8902 // In case of rollback, remember per-user/profile install state 8903 PackageSetting ps = mSettings.mPackages.get(pkgName); 8904 allUsers = sUserManager.getUserIds(); 8905 perUserInstalled = new boolean[allUsers.length]; 8906 for (int i = 0; i < allUsers.length; i++) { 8907 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8908 } 8909 } 8910 boolean sysPkg = (isSystemApp(oldPackage)); 8911 if (sysPkg) { 8912 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8913 user, allUsers, perUserInstalled, installerPackageName, res); 8914 } else { 8915 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8916 user, allUsers, perUserInstalled, installerPackageName, res); 8917 } 8918 } 8919 8920 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8921 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8922 int[] allUsers, boolean[] perUserInstalled, 8923 String installerPackageName, PackageInstalledInfo res) { 8924 PackageParser.Package newPackage = null; 8925 String pkgName = deletedPackage.packageName; 8926 boolean deletedPkg = true; 8927 boolean updatedSettings = false; 8928 8929 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8930 + deletedPackage); 8931 long origUpdateTime; 8932 if (pkg.mExtras != null) { 8933 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8934 } else { 8935 origUpdateTime = 0; 8936 } 8937 8938 // First delete the existing package while retaining the data directory 8939 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8940 res.removedInfo, true)) { 8941 // If the existing package wasn't successfully deleted 8942 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8943 deletedPkg = false; 8944 } else { 8945 // Successfully deleted the old package. Now proceed with re-installation 8946 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8947 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8948 System.currentTimeMillis(), user); 8949 if (newPackage == null) { 8950 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8951 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8952 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8953 } 8954 } else { 8955 updateSettingsLI(newPackage, 8956 installerPackageName, 8957 allUsers, perUserInstalled, 8958 res); 8959 updatedSettings = true; 8960 } 8961 } 8962 8963 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8964 // remove package from internal structures. Note that we want deletePackageX to 8965 // delete the package data and cache directories that it created in 8966 // scanPackageLocked, unless those directories existed before we even tried to 8967 // install. 8968 if(updatedSettings) { 8969 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8970 deletePackageLI( 8971 pkgName, null, true, allUsers, perUserInstalled, 8972 PackageManager.DELETE_KEEP_DATA, 8973 res.removedInfo, true); 8974 } 8975 // Since we failed to install the new package we need to restore the old 8976 // package that we deleted. 8977 if(deletedPkg) { 8978 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8979 File restoreFile = new File(deletedPackage.mPath); 8980 // Parse old package 8981 boolean oldOnSd = isExternal(deletedPackage); 8982 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8983 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8984 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8985 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8986 | SCAN_UPDATE_TIME; 8987 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8988 origUpdateTime, null) == null) { 8989 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8990 return; 8991 } 8992 // Restore of old package succeeded. Update permissions. 8993 // writer 8994 synchronized (mPackages) { 8995 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8996 UPDATE_PERMISSIONS_ALL); 8997 // can downgrade to reader 8998 mSettings.writeLPr(); 8999 } 9000 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9001 } 9002 } 9003 } 9004 9005 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9006 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9007 int[] allUsers, boolean[] perUserInstalled, 9008 String installerPackageName, PackageInstalledInfo res) { 9009 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9010 + ", old=" + deletedPackage); 9011 PackageParser.Package newPackage = null; 9012 boolean updatedSettings = false; 9013 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9014 PackageParser.PARSE_IS_SYSTEM; 9015 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9016 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9017 } 9018 String packageName = deletedPackage.packageName; 9019 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9020 if (packageName == null) { 9021 Slog.w(TAG, "Attempt to delete null packageName."); 9022 return; 9023 } 9024 PackageParser.Package oldPkg; 9025 PackageSetting oldPkgSetting; 9026 // reader 9027 synchronized (mPackages) { 9028 oldPkg = mPackages.get(packageName); 9029 oldPkgSetting = mSettings.mPackages.get(packageName); 9030 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9031 (oldPkgSetting == null)) { 9032 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9033 return; 9034 } 9035 } 9036 9037 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9038 9039 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9040 res.removedInfo.removedPackage = packageName; 9041 // Remove existing system package 9042 removePackageLI(oldPkgSetting, true); 9043 // writer 9044 synchronized (mPackages) { 9045 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9046 // We didn't need to disable the .apk as a current system package, 9047 // which means we are replacing another update that is already 9048 // installed. We need to make sure to delete the older one's .apk. 9049 res.removedInfo.args = createInstallArgs(0, 9050 deletedPackage.applicationInfo.sourceDir, 9051 deletedPackage.applicationInfo.publicSourceDir, 9052 deletedPackage.applicationInfo.nativeLibraryDir); 9053 } else { 9054 res.removedInfo.args = null; 9055 } 9056 } 9057 9058 // Successfully disabled the old package. Now proceed with re-installation 9059 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9060 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9061 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9062 if (newPackage == null) { 9063 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9064 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9065 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9066 } 9067 } else { 9068 if (newPackage.mExtras != null) { 9069 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9070 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9071 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9072 } 9073 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9074 updatedSettings = true; 9075 } 9076 9077 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9078 // Re installation failed. Restore old information 9079 // Remove new pkg information 9080 if (newPackage != null) { 9081 removeInstalledPackageLI(newPackage, true); 9082 } 9083 // Add back the old system package 9084 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9085 // Restore the old system information in Settings 9086 synchronized(mPackages) { 9087 if (updatedSettings) { 9088 mSettings.enableSystemPackageLPw(packageName); 9089 mSettings.setInstallerPackageName(packageName, 9090 oldPkgSetting.installerPackageName); 9091 } 9092 mSettings.writeLPr(); 9093 } 9094 } 9095 } 9096 9097 // Utility method used to move dex files during install. 9098 private int moveDexFilesLI(PackageParser.Package newPackage) { 9099 int retCode; 9100 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9101 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9102 if (retCode != 0) { 9103 if (mNoDexOpt) { 9104 /* 9105 * If we're in an engineering build, programs are lazily run 9106 * through dexopt. If the .dex file doesn't exist yet, it 9107 * will be created when the program is run next. 9108 */ 9109 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9110 } else { 9111 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9112 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9113 } 9114 } 9115 } 9116 return PackageManager.INSTALL_SUCCEEDED; 9117 } 9118 9119 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9120 int[] allUsers, boolean[] perUserInstalled, 9121 PackageInstalledInfo res) { 9122 String pkgName = newPackage.packageName; 9123 synchronized (mPackages) { 9124 //write settings. the installStatus will be incomplete at this stage. 9125 //note that the new package setting would have already been 9126 //added to mPackages. It hasn't been persisted yet. 9127 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9128 mSettings.writeLPr(); 9129 } 9130 9131 if ((res.returnCode = moveDexFilesLI(newPackage)) 9132 != PackageManager.INSTALL_SUCCEEDED) { 9133 // Discontinue if moving dex files failed. 9134 return; 9135 } 9136 9137 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9138 9139 synchronized (mPackages) { 9140 updatePermissionsLPw(newPackage.packageName, newPackage, 9141 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9142 ? UPDATE_PERMISSIONS_ALL : 0)); 9143 // For system-bundled packages, we assume that installing an upgraded version 9144 // of the package implies that the user actually wants to run that new code, 9145 // so we enable the package. 9146 if (isSystemApp(newPackage)) { 9147 // NB: implicit assumption that system package upgrades apply to all users 9148 if (DEBUG_INSTALL) { 9149 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9150 } 9151 PackageSetting ps = mSettings.mPackages.get(pkgName); 9152 if (ps != null) { 9153 if (res.origUsers != null) { 9154 for (int userHandle : res.origUsers) { 9155 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9156 userHandle, installerPackageName); 9157 } 9158 } 9159 // Also convey the prior install/uninstall state 9160 if (allUsers != null && perUserInstalled != null) { 9161 for (int i = 0; i < allUsers.length; i++) { 9162 if (DEBUG_INSTALL) { 9163 Slog.d(TAG, " user " + allUsers[i] 9164 + " => " + perUserInstalled[i]); 9165 } 9166 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9167 } 9168 // these install state changes will be persisted in the 9169 // upcoming call to mSettings.writeLPr(). 9170 } 9171 } 9172 } 9173 res.name = pkgName; 9174 res.uid = newPackage.applicationInfo.uid; 9175 res.pkg = newPackage; 9176 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9177 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9178 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9179 //to update install status 9180 mSettings.writeLPr(); 9181 } 9182 } 9183 9184 private void installPackageLI(InstallArgs args, 9185 boolean newInstall, PackageInstalledInfo res) { 9186 int pFlags = args.flags; 9187 String installerPackageName = args.installerPackageName; 9188 File tmpPackageFile = new File(args.getCodePath()); 9189 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9190 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9191 boolean replace = false; 9192 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9193 | (newInstall ? SCAN_NEW_INSTALL : 0); 9194 // Result object to be returned 9195 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9196 9197 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9198 // Retrieve PackageSettings and parse package 9199 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9200 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9201 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9202 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9203 pp.setSeparateProcesses(mSeparateProcesses); 9204 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9205 null, mMetrics, parseFlags); 9206 if (pkg == null) { 9207 res.returnCode = pp.getParseError(); 9208 return; 9209 } 9210 String pkgName = res.name = pkg.packageName; 9211 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9212 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9213 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9214 return; 9215 } 9216 } 9217 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9218 res.returnCode = pp.getParseError(); 9219 return; 9220 } 9221 9222 /* If the installer passed in a manifest digest, compare it now. */ 9223 if (args.manifestDigest != null) { 9224 if (DEBUG_INSTALL) { 9225 final String parsedManifest = pkg.manifestDigest == null ? "null" 9226 : pkg.manifestDigest.toString(); 9227 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9228 + parsedManifest); 9229 } 9230 9231 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9232 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9233 return; 9234 } 9235 } else if (DEBUG_INSTALL) { 9236 final String parsedManifest = pkg.manifestDigest == null 9237 ? "null" : pkg.manifestDigest.toString(); 9238 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9239 } 9240 9241 // Get rid of all references to package scan path via parser. 9242 pp = null; 9243 String oldCodePath = null; 9244 boolean systemApp = false; 9245 synchronized (mPackages) { 9246 // Check if installing already existing package 9247 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9248 String oldName = mSettings.mRenamedPackages.get(pkgName); 9249 if (pkg.mOriginalPackages != null 9250 && pkg.mOriginalPackages.contains(oldName) 9251 && mPackages.containsKey(oldName)) { 9252 // This package is derived from an original package, 9253 // and this device has been updating from that original 9254 // name. We must continue using the original name, so 9255 // rename the new package here. 9256 pkg.setPackageName(oldName); 9257 pkgName = pkg.packageName; 9258 replace = true; 9259 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9260 + oldName + " pkgName=" + pkgName); 9261 } else if (mPackages.containsKey(pkgName)) { 9262 // This package, under its official name, already exists 9263 // on the device; we should replace it. 9264 replace = true; 9265 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9266 } 9267 } 9268 PackageSetting ps = mSettings.mPackages.get(pkgName); 9269 if (ps != null) { 9270 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9271 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9272 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9273 systemApp = (ps.pkg.applicationInfo.flags & 9274 ApplicationInfo.FLAG_SYSTEM) != 0; 9275 } 9276 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9277 } 9278 } 9279 9280 if (systemApp && onSd) { 9281 // Disable updates to system apps on sdcard 9282 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9283 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9284 return; 9285 } 9286 9287 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9288 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9289 return; 9290 } 9291 // Set application objects path explicitly after the rename 9292 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9293 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9294 if (replace) { 9295 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9296 installerPackageName, res); 9297 } else { 9298 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9299 installerPackageName, res); 9300 } 9301 synchronized (mPackages) { 9302 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9303 if (ps != null) { 9304 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9305 } 9306 } 9307 } 9308 9309 private static boolean isForwardLocked(PackageParser.Package pkg) { 9310 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9311 } 9312 9313 9314 private boolean isForwardLocked(PackageSetting ps) { 9315 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9316 } 9317 9318 private static boolean isExternal(PackageParser.Package pkg) { 9319 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9320 } 9321 9322 private static boolean isExternal(PackageSetting ps) { 9323 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9324 } 9325 9326 private static boolean isSystemApp(PackageParser.Package pkg) { 9327 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9328 } 9329 9330 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9331 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9332 } 9333 9334 private static boolean isSystemApp(ApplicationInfo info) { 9335 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9336 } 9337 9338 private static boolean isSystemApp(PackageSetting ps) { 9339 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9340 } 9341 9342 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9343 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9344 } 9345 9346 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9347 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9348 } 9349 9350 private int packageFlagsToInstallFlags(PackageSetting ps) { 9351 int installFlags = 0; 9352 if (isExternal(ps)) { 9353 installFlags |= PackageManager.INSTALL_EXTERNAL; 9354 } 9355 if (isForwardLocked(ps)) { 9356 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9357 } 9358 return installFlags; 9359 } 9360 9361 private void deleteTempPackageFiles() { 9362 final FilenameFilter filter = new FilenameFilter() { 9363 public boolean accept(File dir, String name) { 9364 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9365 } 9366 }; 9367 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9368 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9369 } 9370 9371 private static final void deleteTempPackageFilesInDirectory(File directory, 9372 FilenameFilter filter) { 9373 final String[] tmpFilesList = directory.list(filter); 9374 if (tmpFilesList == null) { 9375 return; 9376 } 9377 for (int i = 0; i < tmpFilesList.length; i++) { 9378 final File tmpFile = new File(directory, tmpFilesList[i]); 9379 tmpFile.delete(); 9380 } 9381 } 9382 9383 private File createTempPackageFile(File installDir) { 9384 File tmpPackageFile; 9385 try { 9386 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9387 } catch (IOException e) { 9388 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9389 return null; 9390 } 9391 try { 9392 FileUtils.setPermissions( 9393 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9394 -1, -1); 9395 if (!SELinux.restorecon(tmpPackageFile)) { 9396 return null; 9397 } 9398 } catch (IOException e) { 9399 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9400 return null; 9401 } 9402 return tmpPackageFile; 9403 } 9404 9405 @Override 9406 public void deletePackageAsUser(final String packageName, 9407 final IPackageDeleteObserver observer, 9408 final int userId, final int flags) { 9409 mContext.enforceCallingOrSelfPermission( 9410 android.Manifest.permission.DELETE_PACKAGES, null); 9411 final int uid = Binder.getCallingUid(); 9412 if (UserHandle.getUserId(uid) != userId) { 9413 mContext.enforceCallingPermission( 9414 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9415 "deletePackage for user " + userId); 9416 } 9417 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9418 try { 9419 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9420 } catch (RemoteException re) { 9421 } 9422 return; 9423 } 9424 9425 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9426 // Queue up an async operation since the package deletion may take a little while. 9427 mHandler.post(new Runnable() { 9428 public void run() { 9429 mHandler.removeCallbacks(this); 9430 final int returnCode = deletePackageX(packageName, userId, flags); 9431 if (observer != null) { 9432 try { 9433 observer.packageDeleted(packageName, returnCode); 9434 } catch (RemoteException e) { 9435 Log.i(TAG, "Observer no longer exists."); 9436 } //end catch 9437 } //end if 9438 } //end run 9439 }); 9440 } 9441 9442 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9443 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9444 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9445 try { 9446 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9447 || dpm.isDeviceOwner(packageName))) { 9448 return true; 9449 } 9450 } catch (RemoteException e) { 9451 } 9452 return false; 9453 } 9454 9455 /** 9456 * This method is an internal method that could be get invoked either 9457 * to delete an installed package or to clean up a failed installation. 9458 * After deleting an installed package, a broadcast is sent to notify any 9459 * listeners that the package has been installed. For cleaning up a failed 9460 * installation, the broadcast is not necessary since the package's 9461 * installation wouldn't have sent the initial broadcast either 9462 * The key steps in deleting a package are 9463 * deleting the package information in internal structures like mPackages, 9464 * deleting the packages base directories through installd 9465 * updating mSettings to reflect current status 9466 * persisting settings for later use 9467 * sending a broadcast if necessary 9468 */ 9469 private int deletePackageX(String packageName, int userId, int flags) { 9470 final PackageRemovedInfo info = new PackageRemovedInfo(); 9471 final boolean res; 9472 9473 if (isPackageDeviceAdmin(packageName, userId)) { 9474 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9475 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9476 } 9477 9478 boolean removedForAllUsers = false; 9479 boolean systemUpdate = false; 9480 9481 // for the uninstall-updates case and restricted profiles, remember the per- 9482 // userhandle installed state 9483 int[] allUsers; 9484 boolean[] perUserInstalled; 9485 synchronized (mPackages) { 9486 PackageSetting ps = mSettings.mPackages.get(packageName); 9487 allUsers = sUserManager.getUserIds(); 9488 perUserInstalled = new boolean[allUsers.length]; 9489 for (int i = 0; i < allUsers.length; i++) { 9490 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9491 } 9492 } 9493 9494 synchronized (mInstallLock) { 9495 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9496 res = deletePackageLI(packageName, 9497 (flags & PackageManager.DELETE_ALL_USERS) != 0 9498 ? UserHandle.ALL : new UserHandle(userId), 9499 true, allUsers, perUserInstalled, 9500 flags | REMOVE_CHATTY, info, true); 9501 systemUpdate = info.isRemovedPackageSystemUpdate; 9502 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9503 removedForAllUsers = true; 9504 } 9505 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9506 + " removedForAllUsers=" + removedForAllUsers); 9507 } 9508 9509 if (res) { 9510 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9511 9512 // If the removed package was a system update, the old system package 9513 // was re-enabled; we need to broadcast this information 9514 if (systemUpdate) { 9515 Bundle extras = new Bundle(1); 9516 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9517 ? info.removedAppId : info.uid); 9518 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9519 9520 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9521 extras, null, null, null); 9522 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9523 extras, null, null, null); 9524 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9525 null, packageName, null, null); 9526 } 9527 } 9528 // Force a gc here. 9529 Runtime.getRuntime().gc(); 9530 // Delete the resources here after sending the broadcast to let 9531 // other processes clean up before deleting resources. 9532 if (info.args != null) { 9533 synchronized (mInstallLock) { 9534 info.args.doPostDeleteLI(true); 9535 } 9536 } 9537 9538 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9539 } 9540 9541 static class PackageRemovedInfo { 9542 String removedPackage; 9543 int uid = -1; 9544 int removedAppId = -1; 9545 int[] removedUsers = null; 9546 boolean isRemovedPackageSystemUpdate = false; 9547 // Clean up resources deleted packages. 9548 InstallArgs args = null; 9549 9550 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9551 Bundle extras = new Bundle(1); 9552 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9553 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9554 if (replacing) { 9555 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9556 } 9557 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9558 if (removedPackage != null) { 9559 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9560 extras, null, null, removedUsers); 9561 if (fullRemove && !replacing) { 9562 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9563 extras, null, null, removedUsers); 9564 } 9565 } 9566 if (removedAppId >= 0) { 9567 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9568 removedUsers); 9569 } 9570 } 9571 } 9572 9573 /* 9574 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9575 * flag is not set, the data directory is removed as well. 9576 * make sure this flag is set for partially installed apps. If not its meaningless to 9577 * delete a partially installed application. 9578 */ 9579 private void removePackageDataLI(PackageSetting ps, 9580 int[] allUserHandles, boolean[] perUserInstalled, 9581 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9582 String packageName = ps.name; 9583 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9584 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9585 // Retrieve object to delete permissions for shared user later on 9586 final PackageSetting deletedPs; 9587 // reader 9588 synchronized (mPackages) { 9589 deletedPs = mSettings.mPackages.get(packageName); 9590 if (outInfo != null) { 9591 outInfo.removedPackage = packageName; 9592 outInfo.removedUsers = deletedPs != null 9593 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9594 : null; 9595 } 9596 } 9597 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9598 removeDataDirsLI(packageName); 9599 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9600 } 9601 // writer 9602 synchronized (mPackages) { 9603 if (deletedPs != null) { 9604 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9605 if (outInfo != null) { 9606 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9607 } 9608 if (deletedPs != null) { 9609 updatePermissionsLPw(deletedPs.name, null, 0); 9610 if (deletedPs.sharedUser != null) { 9611 // remove permissions associated with package 9612 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9613 } 9614 } 9615 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9616 } 9617 // make sure to preserve per-user disabled state if this removal was just 9618 // a downgrade of a system app to the factory package 9619 if (allUserHandles != null && perUserInstalled != null) { 9620 if (DEBUG_REMOVE) { 9621 Slog.d(TAG, "Propagating install state across downgrade"); 9622 } 9623 for (int i = 0; i < allUserHandles.length; i++) { 9624 if (DEBUG_REMOVE) { 9625 Slog.d(TAG, " user " + allUserHandles[i] 9626 + " => " + perUserInstalled[i]); 9627 } 9628 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9629 } 9630 } 9631 } 9632 // can downgrade to reader 9633 if (writeSettings) { 9634 // Save settings now 9635 mSettings.writeLPr(); 9636 } 9637 } 9638 if (outInfo != null) { 9639 // A user ID was deleted here. Go through all users and remove it 9640 // from KeyStore. 9641 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9642 } 9643 } 9644 9645 static boolean locationIsPrivileged(File path) { 9646 try { 9647 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9648 .getCanonicalPath(); 9649 return path.getCanonicalPath().startsWith(privilegedAppDir); 9650 } catch (IOException e) { 9651 Slog.e(TAG, "Unable to access code path " + path); 9652 } 9653 return false; 9654 } 9655 9656 /* 9657 * Tries to delete system package. 9658 */ 9659 private boolean deleteSystemPackageLI(PackageSetting newPs, 9660 int[] allUserHandles, boolean[] perUserInstalled, 9661 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9662 final boolean applyUserRestrictions 9663 = (allUserHandles != null) && (perUserInstalled != null); 9664 PackageSetting disabledPs = null; 9665 // Confirm if the system package has been updated 9666 // An updated system app can be deleted. This will also have to restore 9667 // the system pkg from system partition 9668 // reader 9669 synchronized (mPackages) { 9670 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9671 } 9672 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9673 + " disabledPs=" + disabledPs); 9674 if (disabledPs == null) { 9675 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9676 return false; 9677 } else if (DEBUG_REMOVE) { 9678 Slog.d(TAG, "Deleting system pkg from data partition"); 9679 } 9680 if (DEBUG_REMOVE) { 9681 if (applyUserRestrictions) { 9682 Slog.d(TAG, "Remembering install states:"); 9683 for (int i = 0; i < allUserHandles.length; i++) { 9684 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9685 } 9686 } 9687 } 9688 // Delete the updated package 9689 outInfo.isRemovedPackageSystemUpdate = true; 9690 if (disabledPs.versionCode < newPs.versionCode) { 9691 // Delete data for downgrades 9692 flags &= ~PackageManager.DELETE_KEEP_DATA; 9693 } else { 9694 // Preserve data by setting flag 9695 flags |= PackageManager.DELETE_KEEP_DATA; 9696 } 9697 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9698 allUserHandles, perUserInstalled, outInfo, writeSettings); 9699 if (!ret) { 9700 return false; 9701 } 9702 // writer 9703 synchronized (mPackages) { 9704 // Reinstate the old system package 9705 mSettings.enableSystemPackageLPw(newPs.name); 9706 // Remove any native libraries from the upgraded package. 9707 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9708 } 9709 // Install the system package 9710 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9711 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9712 if (locationIsPrivileged(disabledPs.codePath)) { 9713 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9714 } 9715 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9716 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9717 9718 if (newPkg == null) { 9719 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9720 + " with error:" + mLastScanError); 9721 return false; 9722 } 9723 // writer 9724 synchronized (mPackages) { 9725 updatePermissionsLPw(newPkg.packageName, newPkg, 9726 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9727 if (applyUserRestrictions) { 9728 if (DEBUG_REMOVE) { 9729 Slog.d(TAG, "Propagating install state across reinstall"); 9730 } 9731 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9732 for (int i = 0; i < allUserHandles.length; i++) { 9733 if (DEBUG_REMOVE) { 9734 Slog.d(TAG, " user " + allUserHandles[i] 9735 + " => " + perUserInstalled[i]); 9736 } 9737 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9738 } 9739 // Regardless of writeSettings we need to ensure that this restriction 9740 // state propagation is persisted 9741 mSettings.writeAllUsersPackageRestrictionsLPr(); 9742 } 9743 // can downgrade to reader here 9744 if (writeSettings) { 9745 mSettings.writeLPr(); 9746 } 9747 } 9748 return true; 9749 } 9750 9751 private boolean deleteInstalledPackageLI(PackageSetting ps, 9752 boolean deleteCodeAndResources, int flags, 9753 int[] allUserHandles, boolean[] perUserInstalled, 9754 PackageRemovedInfo outInfo, boolean writeSettings) { 9755 if (outInfo != null) { 9756 outInfo.uid = ps.appId; 9757 } 9758 9759 // Delete package data from internal structures and also remove data if flag is set 9760 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9761 9762 // Delete application code and resources 9763 if (deleteCodeAndResources && (outInfo != null)) { 9764 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9765 ps.resourcePathString, ps.nativeLibraryPathString); 9766 } 9767 return true; 9768 } 9769 9770 /* 9771 * This method handles package deletion in general 9772 */ 9773 private boolean deletePackageLI(String packageName, UserHandle user, 9774 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9775 int flags, PackageRemovedInfo outInfo, 9776 boolean writeSettings) { 9777 if (packageName == null) { 9778 Slog.w(TAG, "Attempt to delete null packageName."); 9779 return false; 9780 } 9781 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9782 PackageSetting ps; 9783 boolean dataOnly = false; 9784 int removeUser = -1; 9785 int appId = -1; 9786 synchronized (mPackages) { 9787 ps = mSettings.mPackages.get(packageName); 9788 if (ps == null) { 9789 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9790 return false; 9791 } 9792 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9793 && user.getIdentifier() != UserHandle.USER_ALL) { 9794 // The caller is asking that the package only be deleted for a single 9795 // user. To do this, we just mark its uninstalled state and delete 9796 // its data. If this is a system app, we only allow this to happen if 9797 // they have set the special DELETE_SYSTEM_APP which requests different 9798 // semantics than normal for uninstalling system apps. 9799 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9800 ps.setUserState(user.getIdentifier(), 9801 COMPONENT_ENABLED_STATE_DEFAULT, 9802 false, //installed 9803 true, //stopped 9804 true, //notLaunched 9805 false, //blocked 9806 null, null, null); 9807 if (!isSystemApp(ps)) { 9808 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9809 // Other user still have this package installed, so all 9810 // we need to do is clear this user's data and save that 9811 // it is uninstalled. 9812 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9813 removeUser = user.getIdentifier(); 9814 appId = ps.appId; 9815 mSettings.writePackageRestrictionsLPr(removeUser); 9816 } else { 9817 // We need to set it back to 'installed' so the uninstall 9818 // broadcasts will be sent correctly. 9819 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9820 ps.setInstalled(true, user.getIdentifier()); 9821 } 9822 } else { 9823 // This is a system app, so we assume that the 9824 // other users still have this package installed, so all 9825 // we need to do is clear this user's data and save that 9826 // it is uninstalled. 9827 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9828 removeUser = user.getIdentifier(); 9829 appId = ps.appId; 9830 mSettings.writePackageRestrictionsLPr(removeUser); 9831 } 9832 } 9833 } 9834 9835 if (removeUser >= 0) { 9836 // From above, we determined that we are deleting this only 9837 // for a single user. Continue the work here. 9838 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9839 if (outInfo != null) { 9840 outInfo.removedPackage = packageName; 9841 outInfo.removedAppId = appId; 9842 outInfo.removedUsers = new int[] {removeUser}; 9843 } 9844 mInstaller.clearUserData(packageName, removeUser); 9845 removeKeystoreDataIfNeeded(removeUser, appId); 9846 schedulePackageCleaning(packageName, removeUser, false); 9847 return true; 9848 } 9849 9850 if (dataOnly) { 9851 // Delete application data first 9852 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9853 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9854 return true; 9855 } 9856 9857 boolean ret = false; 9858 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9859 if (isSystemApp(ps)) { 9860 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9861 // When an updated system application is deleted we delete the existing resources as well and 9862 // fall back to existing code in system partition 9863 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9864 flags, outInfo, writeSettings); 9865 } else { 9866 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9867 // Kill application pre-emptively especially for apps on sd. 9868 killApplication(packageName, ps.appId, "uninstall pkg"); 9869 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9870 allUserHandles, perUserInstalled, 9871 outInfo, writeSettings); 9872 } 9873 9874 return ret; 9875 } 9876 9877 private final class ClearStorageConnection implements ServiceConnection { 9878 IMediaContainerService mContainerService; 9879 9880 @Override 9881 public void onServiceConnected(ComponentName name, IBinder service) { 9882 synchronized (this) { 9883 mContainerService = IMediaContainerService.Stub.asInterface(service); 9884 notifyAll(); 9885 } 9886 } 9887 9888 @Override 9889 public void onServiceDisconnected(ComponentName name) { 9890 } 9891 } 9892 9893 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9894 final boolean mounted; 9895 if (Environment.isExternalStorageEmulated()) { 9896 mounted = true; 9897 } else { 9898 final String status = Environment.getExternalStorageState(); 9899 9900 mounted = status.equals(Environment.MEDIA_MOUNTED) 9901 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9902 } 9903 9904 if (!mounted) { 9905 return; 9906 } 9907 9908 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9909 int[] users; 9910 if (userId == UserHandle.USER_ALL) { 9911 users = sUserManager.getUserIds(); 9912 } else { 9913 users = new int[] { userId }; 9914 } 9915 final ClearStorageConnection conn = new ClearStorageConnection(); 9916 if (mContext.bindServiceAsUser( 9917 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9918 try { 9919 for (int curUser : users) { 9920 long timeout = SystemClock.uptimeMillis() + 5000; 9921 synchronized (conn) { 9922 long now = SystemClock.uptimeMillis(); 9923 while (conn.mContainerService == null && now < timeout) { 9924 try { 9925 conn.wait(timeout - now); 9926 } catch (InterruptedException e) { 9927 } 9928 } 9929 } 9930 if (conn.mContainerService == null) { 9931 return; 9932 } 9933 9934 final UserEnvironment userEnv = new UserEnvironment(curUser); 9935 clearDirectory(conn.mContainerService, 9936 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9937 if (allData) { 9938 clearDirectory(conn.mContainerService, 9939 userEnv.buildExternalStorageAppDataDirs(packageName)); 9940 clearDirectory(conn.mContainerService, 9941 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9942 } 9943 } 9944 } finally { 9945 mContext.unbindService(conn); 9946 } 9947 } 9948 } 9949 9950 @Override 9951 public void clearApplicationUserData(final String packageName, 9952 final IPackageDataObserver observer, final int userId) { 9953 mContext.enforceCallingOrSelfPermission( 9954 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9955 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9956 // Queue up an async operation since the package deletion may take a little while. 9957 mHandler.post(new Runnable() { 9958 public void run() { 9959 mHandler.removeCallbacks(this); 9960 final boolean succeeded; 9961 synchronized (mInstallLock) { 9962 succeeded = clearApplicationUserDataLI(packageName, userId); 9963 } 9964 clearExternalStorageDataSync(packageName, userId, true); 9965 if (succeeded) { 9966 // invoke DeviceStorageMonitor's update method to clear any notifications 9967 DeviceStorageMonitorInternal 9968 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9969 if (dsm != null) { 9970 dsm.checkMemory(); 9971 } 9972 } 9973 if(observer != null) { 9974 try { 9975 observer.onRemoveCompleted(packageName, succeeded); 9976 } catch (RemoteException e) { 9977 Log.i(TAG, "Observer no longer exists."); 9978 } 9979 } //end if observer 9980 } //end run 9981 }); 9982 } 9983 9984 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9985 if (packageName == null) { 9986 Slog.w(TAG, "Attempt to delete null packageName."); 9987 return false; 9988 } 9989 PackageParser.Package p; 9990 boolean dataOnly = false; 9991 final int appId; 9992 synchronized (mPackages) { 9993 p = mPackages.get(packageName); 9994 if (p == null) { 9995 dataOnly = true; 9996 PackageSetting ps = mSettings.mPackages.get(packageName); 9997 if ((ps == null) || (ps.pkg == null)) { 9998 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9999 return false; 10000 } 10001 p = ps.pkg; 10002 } 10003 if (!dataOnly) { 10004 // need to check this only for fully installed applications 10005 if (p == null) { 10006 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10007 return false; 10008 } 10009 final ApplicationInfo applicationInfo = p.applicationInfo; 10010 if (applicationInfo == null) { 10011 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10012 return false; 10013 } 10014 } 10015 if (p != null && p.applicationInfo != null) { 10016 appId = p.applicationInfo.uid; 10017 } else { 10018 appId = -1; 10019 } 10020 } 10021 int retCode = mInstaller.clearUserData(packageName, userId); 10022 if (retCode < 0) { 10023 Slog.w(TAG, "Couldn't remove cache files for package: " 10024 + packageName); 10025 return false; 10026 } 10027 removeKeystoreDataIfNeeded(userId, appId); 10028 return true; 10029 } 10030 10031 /** 10032 * Remove entries from the keystore daemon. Will only remove it if the 10033 * {@code appId} is valid. 10034 */ 10035 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10036 if (appId < 0) { 10037 return; 10038 } 10039 10040 final KeyStore keyStore = KeyStore.getInstance(); 10041 if (keyStore != null) { 10042 if (userId == UserHandle.USER_ALL) { 10043 for (final int individual : sUserManager.getUserIds()) { 10044 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10045 } 10046 } else { 10047 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10048 } 10049 } else { 10050 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10051 } 10052 } 10053 10054 public void deleteApplicationCacheFiles(final String packageName, 10055 final IPackageDataObserver observer) { 10056 mContext.enforceCallingOrSelfPermission( 10057 android.Manifest.permission.DELETE_CACHE_FILES, null); 10058 // Queue up an async operation since the package deletion may take a little while. 10059 final int userId = UserHandle.getCallingUserId(); 10060 mHandler.post(new Runnable() { 10061 public void run() { 10062 mHandler.removeCallbacks(this); 10063 final boolean succeded; 10064 synchronized (mInstallLock) { 10065 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10066 } 10067 clearExternalStorageDataSync(packageName, userId, false); 10068 if(observer != null) { 10069 try { 10070 observer.onRemoveCompleted(packageName, succeded); 10071 } catch (RemoteException e) { 10072 Log.i(TAG, "Observer no longer exists."); 10073 } 10074 } //end if observer 10075 } //end run 10076 }); 10077 } 10078 10079 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10080 if (packageName == null) { 10081 Slog.w(TAG, "Attempt to delete null packageName."); 10082 return false; 10083 } 10084 PackageParser.Package p; 10085 synchronized (mPackages) { 10086 p = mPackages.get(packageName); 10087 } 10088 if (p == null) { 10089 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10090 return false; 10091 } 10092 final ApplicationInfo applicationInfo = p.applicationInfo; 10093 if (applicationInfo == null) { 10094 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10095 return false; 10096 } 10097 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10098 if (retCode < 0) { 10099 Slog.w(TAG, "Couldn't remove cache files for package: " 10100 + packageName + " u" + userId); 10101 return false; 10102 } 10103 return true; 10104 } 10105 10106 public void getPackageSizeInfo(final String packageName, int userHandle, 10107 final IPackageStatsObserver observer) { 10108 mContext.enforceCallingOrSelfPermission( 10109 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10110 10111 PackageStats stats = new PackageStats(packageName, userHandle); 10112 10113 /* 10114 * Queue up an async operation since the package measurement may take a 10115 * little while. 10116 */ 10117 Message msg = mHandler.obtainMessage(INIT_COPY); 10118 msg.obj = new MeasureParams(stats, observer); 10119 mHandler.sendMessage(msg); 10120 } 10121 10122 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10123 PackageStats pStats) { 10124 if (packageName == null) { 10125 Slog.w(TAG, "Attempt to get size of null packageName."); 10126 return false; 10127 } 10128 PackageParser.Package p; 10129 boolean dataOnly = false; 10130 String libDirPath = null; 10131 String asecPath = null; 10132 synchronized (mPackages) { 10133 p = mPackages.get(packageName); 10134 PackageSetting ps = mSettings.mPackages.get(packageName); 10135 if(p == null) { 10136 dataOnly = true; 10137 if((ps == null) || (ps.pkg == null)) { 10138 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10139 return false; 10140 } 10141 p = ps.pkg; 10142 } 10143 if (ps != null) { 10144 libDirPath = ps.nativeLibraryPathString; 10145 } 10146 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10147 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10148 if (secureContainerId != null) { 10149 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10150 } 10151 } 10152 } 10153 String publicSrcDir = null; 10154 if(!dataOnly) { 10155 final ApplicationInfo applicationInfo = p.applicationInfo; 10156 if (applicationInfo == null) { 10157 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10158 return false; 10159 } 10160 if (isForwardLocked(p)) { 10161 publicSrcDir = applicationInfo.publicSourceDir; 10162 } 10163 } 10164 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10165 publicSrcDir, asecPath, pStats); 10166 if (res < 0) { 10167 return false; 10168 } 10169 10170 // Fix-up for forward-locked applications in ASEC containers. 10171 if (!isExternal(p)) { 10172 pStats.codeSize += pStats.externalCodeSize; 10173 pStats.externalCodeSize = 0L; 10174 } 10175 10176 return true; 10177 } 10178 10179 10180 public void addPackageToPreferred(String packageName) { 10181 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10182 } 10183 10184 public void removePackageFromPreferred(String packageName) { 10185 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10186 } 10187 10188 public List<PackageInfo> getPreferredPackages(int flags) { 10189 return new ArrayList<PackageInfo>(); 10190 } 10191 10192 private int getUidTargetSdkVersionLockedLPr(int uid) { 10193 Object obj = mSettings.getUserIdLPr(uid); 10194 if (obj instanceof SharedUserSetting) { 10195 final SharedUserSetting sus = (SharedUserSetting) obj; 10196 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10197 final Iterator<PackageSetting> it = sus.packages.iterator(); 10198 while (it.hasNext()) { 10199 final PackageSetting ps = it.next(); 10200 if (ps.pkg != null) { 10201 int v = ps.pkg.applicationInfo.targetSdkVersion; 10202 if (v < vers) vers = v; 10203 } 10204 } 10205 return vers; 10206 } else if (obj instanceof PackageSetting) { 10207 final PackageSetting ps = (PackageSetting) obj; 10208 if (ps.pkg != null) { 10209 return ps.pkg.applicationInfo.targetSdkVersion; 10210 } 10211 } 10212 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10213 } 10214 10215 public void addPreferredActivity(IntentFilter filter, int match, 10216 ComponentName[] set, ComponentName activity, int userId) { 10217 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10218 } 10219 10220 private void addPreferredActivityInternal(IntentFilter filter, int match, 10221 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10222 // writer 10223 int callingUid = Binder.getCallingUid(); 10224 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10225 if (filter.countActions() == 0) { 10226 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10227 return; 10228 } 10229 synchronized (mPackages) { 10230 if (mContext.checkCallingOrSelfPermission( 10231 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10232 != PackageManager.PERMISSION_GRANTED) { 10233 if (getUidTargetSdkVersionLockedLPr(callingUid) 10234 < Build.VERSION_CODES.FROYO) { 10235 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10236 + callingUid); 10237 return; 10238 } 10239 mContext.enforceCallingOrSelfPermission( 10240 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10241 } 10242 10243 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10244 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10245 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10246 new PreferredActivity(filter, match, set, activity, always)); 10247 mSettings.writePackageRestrictionsLPr(userId); 10248 } 10249 } 10250 10251 public void replacePreferredActivity(IntentFilter filter, int match, 10252 ComponentName[] set, ComponentName activity) { 10253 if (filter.countActions() != 1) { 10254 throw new IllegalArgumentException( 10255 "replacePreferredActivity expects filter to have only 1 action."); 10256 } 10257 if (filter.countDataAuthorities() != 0 10258 || filter.countDataPaths() != 0 10259 || filter.countDataSchemes() > 1 10260 || filter.countDataTypes() != 0) { 10261 throw new IllegalArgumentException( 10262 "replacePreferredActivity expects filter to have no data authorities, " + 10263 "paths, or types; and at most one scheme."); 10264 } 10265 synchronized (mPackages) { 10266 if (mContext.checkCallingOrSelfPermission( 10267 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10268 != PackageManager.PERMISSION_GRANTED) { 10269 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10270 < Build.VERSION_CODES.FROYO) { 10271 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10272 + Binder.getCallingUid()); 10273 return; 10274 } 10275 mContext.enforceCallingOrSelfPermission( 10276 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10277 } 10278 10279 final int callingUserId = UserHandle.getCallingUserId(); 10280 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10281 if (pir != null) { 10282 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10283 if (filter.countDataSchemes() == 1) { 10284 Uri.Builder builder = new Uri.Builder(); 10285 builder.scheme(filter.getDataScheme(0)); 10286 intent.setData(builder.build()); 10287 } 10288 List<PreferredActivity> matches = pir.queryIntent( 10289 intent, null, true, callingUserId); 10290 if (DEBUG_PREFERRED) { 10291 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10292 } 10293 for (int i = 0; i < matches.size(); i++) { 10294 PreferredActivity pa = matches.get(i); 10295 if (DEBUG_PREFERRED) { 10296 Slog.i(TAG, "Removing preferred activity " 10297 + pa.mPref.mComponent + ":"); 10298 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10299 } 10300 pir.removeFilter(pa); 10301 } 10302 } 10303 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10304 } 10305 } 10306 10307 public void clearPackagePreferredActivities(String packageName) { 10308 final int uid = Binder.getCallingUid(); 10309 // writer 10310 synchronized (mPackages) { 10311 PackageParser.Package pkg = mPackages.get(packageName); 10312 if (pkg == null || pkg.applicationInfo.uid != uid) { 10313 if (mContext.checkCallingOrSelfPermission( 10314 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10315 != PackageManager.PERMISSION_GRANTED) { 10316 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10317 < Build.VERSION_CODES.FROYO) { 10318 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10319 + Binder.getCallingUid()); 10320 return; 10321 } 10322 mContext.enforceCallingOrSelfPermission( 10323 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10324 } 10325 } 10326 10327 int user = UserHandle.getCallingUserId(); 10328 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10329 mSettings.writePackageRestrictionsLPr(user); 10330 scheduleWriteSettingsLocked(); 10331 } 10332 } 10333 } 10334 10335 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10336 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10337 ArrayList<PreferredActivity> removed = null; 10338 boolean changed = false; 10339 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10340 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10341 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10342 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10343 continue; 10344 } 10345 Iterator<PreferredActivity> it = pir.filterIterator(); 10346 while (it.hasNext()) { 10347 PreferredActivity pa = it.next(); 10348 // Mark entry for removal only if it matches the package name 10349 // and the entry is of type "always". 10350 if (packageName == null || 10351 (pa.mPref.mComponent.getPackageName().equals(packageName) 10352 && pa.mPref.mAlways)) { 10353 if (removed == null) { 10354 removed = new ArrayList<PreferredActivity>(); 10355 } 10356 removed.add(pa); 10357 } 10358 } 10359 if (removed != null) { 10360 for (int j=0; j<removed.size(); j++) { 10361 PreferredActivity pa = removed.get(j); 10362 pir.removeFilter(pa); 10363 } 10364 changed = true; 10365 } 10366 } 10367 return changed; 10368 } 10369 10370 public void resetPreferredActivities(int userId) { 10371 mContext.enforceCallingOrSelfPermission( 10372 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10373 // writer 10374 synchronized (mPackages) { 10375 int user = UserHandle.getCallingUserId(); 10376 clearPackagePreferredActivitiesLPw(null, user); 10377 mSettings.readDefaultPreferredAppsLPw(this, user); 10378 mSettings.writePackageRestrictionsLPr(user); 10379 scheduleWriteSettingsLocked(); 10380 } 10381 } 10382 10383 public int getPreferredActivities(List<IntentFilter> outFilters, 10384 List<ComponentName> outActivities, String packageName) { 10385 10386 int num = 0; 10387 final int userId = UserHandle.getCallingUserId(); 10388 // reader 10389 synchronized (mPackages) { 10390 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10391 if (pir != null) { 10392 final Iterator<PreferredActivity> it = pir.filterIterator(); 10393 while (it.hasNext()) { 10394 final PreferredActivity pa = it.next(); 10395 if (packageName == null 10396 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10397 && pa.mPref.mAlways)) { 10398 if (outFilters != null) { 10399 outFilters.add(new IntentFilter(pa)); 10400 } 10401 if (outActivities != null) { 10402 outActivities.add(pa.mPref.mComponent); 10403 } 10404 } 10405 } 10406 } 10407 } 10408 10409 return num; 10410 } 10411 10412 @Override 10413 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10414 int userId) { 10415 int callingUid = Binder.getCallingUid(); 10416 if (callingUid != Process.SYSTEM_UID) { 10417 throw new SecurityException( 10418 "addPersistentPreferredActivity can only be run by the system"); 10419 } 10420 if (filter.countActions() == 0) { 10421 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10422 return; 10423 } 10424 synchronized (mPackages) { 10425 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10426 " :"); 10427 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10428 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10429 new PersistentPreferredActivity(filter, activity)); 10430 mSettings.writePackageRestrictionsLPr(userId); 10431 } 10432 } 10433 10434 @Override 10435 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10436 int callingUid = Binder.getCallingUid(); 10437 if (callingUid != Process.SYSTEM_UID) { 10438 throw new SecurityException( 10439 "clearPackagePersistentPreferredActivities can only be run by the system"); 10440 } 10441 ArrayList<PersistentPreferredActivity> removed = null; 10442 boolean changed = false; 10443 synchronized (mPackages) { 10444 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10445 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10446 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10447 .valueAt(i); 10448 if (userId != thisUserId) { 10449 continue; 10450 } 10451 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10452 while (it.hasNext()) { 10453 PersistentPreferredActivity ppa = it.next(); 10454 // Mark entry for removal only if it matches the package name. 10455 if (ppa.mComponent.getPackageName().equals(packageName)) { 10456 if (removed == null) { 10457 removed = new ArrayList<PersistentPreferredActivity>(); 10458 } 10459 removed.add(ppa); 10460 } 10461 } 10462 if (removed != null) { 10463 for (int j=0; j<removed.size(); j++) { 10464 PersistentPreferredActivity ppa = removed.get(j); 10465 ppir.removeFilter(ppa); 10466 } 10467 changed = true; 10468 } 10469 } 10470 10471 if (changed) { 10472 mSettings.writePackageRestrictionsLPr(userId); 10473 } 10474 } 10475 } 10476 10477 @Override 10478 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10479 Intent intent = new Intent(Intent.ACTION_MAIN); 10480 intent.addCategory(Intent.CATEGORY_HOME); 10481 10482 final int callingUserId = UserHandle.getCallingUserId(); 10483 List<ResolveInfo> list = queryIntentActivities(intent, null, 10484 PackageManager.GET_META_DATA, callingUserId); 10485 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10486 true, false, false, callingUserId); 10487 10488 allHomeCandidates.clear(); 10489 if (list != null) { 10490 for (ResolveInfo ri : list) { 10491 allHomeCandidates.add(ri); 10492 } 10493 } 10494 return (preferred == null || preferred.activityInfo == null) 10495 ? null 10496 : new ComponentName(preferred.activityInfo.packageName, 10497 preferred.activityInfo.name); 10498 } 10499 10500 @Override 10501 public void setApplicationEnabledSetting(String appPackageName, 10502 int newState, int flags, int userId, String callingPackage) { 10503 if (!sUserManager.exists(userId)) return; 10504 if (callingPackage == null) { 10505 callingPackage = Integer.toString(Binder.getCallingUid()); 10506 } 10507 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10508 } 10509 10510 @Override 10511 public void setComponentEnabledSetting(ComponentName componentName, 10512 int newState, int flags, int userId) { 10513 if (!sUserManager.exists(userId)) return; 10514 setEnabledSetting(componentName.getPackageName(), 10515 componentName.getClassName(), newState, flags, userId, null); 10516 } 10517 10518 private void setEnabledSetting(final String packageName, String className, int newState, 10519 final int flags, int userId, String callingPackage) { 10520 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10521 || newState == COMPONENT_ENABLED_STATE_ENABLED 10522 || newState == COMPONENT_ENABLED_STATE_DISABLED 10523 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10524 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10525 throw new IllegalArgumentException("Invalid new component state: " 10526 + newState); 10527 } 10528 PackageSetting pkgSetting; 10529 final int uid = Binder.getCallingUid(); 10530 final int permission = mContext.checkCallingOrSelfPermission( 10531 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10532 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10533 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10534 boolean sendNow = false; 10535 boolean isApp = (className == null); 10536 String componentName = isApp ? packageName : className; 10537 int packageUid = -1; 10538 ArrayList<String> components; 10539 10540 // writer 10541 synchronized (mPackages) { 10542 pkgSetting = mSettings.mPackages.get(packageName); 10543 if (pkgSetting == null) { 10544 if (className == null) { 10545 throw new IllegalArgumentException( 10546 "Unknown package: " + packageName); 10547 } 10548 throw new IllegalArgumentException( 10549 "Unknown component: " + packageName 10550 + "/" + className); 10551 } 10552 // Allow root and verify that userId is not being specified by a different user 10553 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10554 throw new SecurityException( 10555 "Permission Denial: attempt to change component state from pid=" 10556 + Binder.getCallingPid() 10557 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10558 } 10559 if (className == null) { 10560 // We're dealing with an application/package level state change 10561 if (pkgSetting.getEnabled(userId) == newState) { 10562 // Nothing to do 10563 return; 10564 } 10565 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10566 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10567 // Don't care about who enables an app. 10568 callingPackage = null; 10569 } 10570 pkgSetting.setEnabled(newState, userId, callingPackage); 10571 // pkgSetting.pkg.mSetEnabled = newState; 10572 } else { 10573 // We're dealing with a component level state change 10574 // First, verify that this is a valid class name. 10575 PackageParser.Package pkg = pkgSetting.pkg; 10576 if (pkg == null || !pkg.hasComponentClassName(className)) { 10577 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10578 throw new IllegalArgumentException("Component class " + className 10579 + " does not exist in " + packageName); 10580 } else { 10581 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10582 + className + " does not exist in " + packageName); 10583 } 10584 } 10585 switch (newState) { 10586 case COMPONENT_ENABLED_STATE_ENABLED: 10587 if (!pkgSetting.enableComponentLPw(className, userId)) { 10588 return; 10589 } 10590 break; 10591 case COMPONENT_ENABLED_STATE_DISABLED: 10592 if (!pkgSetting.disableComponentLPw(className, userId)) { 10593 return; 10594 } 10595 break; 10596 case COMPONENT_ENABLED_STATE_DEFAULT: 10597 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10598 return; 10599 } 10600 break; 10601 default: 10602 Slog.e(TAG, "Invalid new component state: " + newState); 10603 return; 10604 } 10605 } 10606 mSettings.writePackageRestrictionsLPr(userId); 10607 components = mPendingBroadcasts.get(userId, packageName); 10608 final boolean newPackage = components == null; 10609 if (newPackage) { 10610 components = new ArrayList<String>(); 10611 } 10612 if (!components.contains(componentName)) { 10613 components.add(componentName); 10614 } 10615 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10616 sendNow = true; 10617 // Purge entry from pending broadcast list if another one exists already 10618 // since we are sending one right away. 10619 mPendingBroadcasts.remove(userId, packageName); 10620 } else { 10621 if (newPackage) { 10622 mPendingBroadcasts.put(userId, packageName, components); 10623 } 10624 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10625 // Schedule a message 10626 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10627 } 10628 } 10629 } 10630 10631 long callingId = Binder.clearCallingIdentity(); 10632 try { 10633 if (sendNow) { 10634 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10635 sendPackageChangedBroadcast(packageName, 10636 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10637 } 10638 } finally { 10639 Binder.restoreCallingIdentity(callingId); 10640 } 10641 } 10642 10643 private void sendPackageChangedBroadcast(String packageName, 10644 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10645 if (DEBUG_INSTALL) 10646 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10647 + componentNames); 10648 Bundle extras = new Bundle(4); 10649 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10650 String nameList[] = new String[componentNames.size()]; 10651 componentNames.toArray(nameList); 10652 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10653 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10654 extras.putInt(Intent.EXTRA_UID, packageUid); 10655 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10656 new int[] {UserHandle.getUserId(packageUid)}); 10657 } 10658 10659 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10660 if (!sUserManager.exists(userId)) return; 10661 final int uid = Binder.getCallingUid(); 10662 final int permission = mContext.checkCallingOrSelfPermission( 10663 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10664 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10665 enforceCrossUserPermission(uid, userId, true, "stop package"); 10666 // writer 10667 synchronized (mPackages) { 10668 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10669 uid, userId)) { 10670 scheduleWritePackageRestrictionsLocked(userId); 10671 } 10672 } 10673 } 10674 10675 public String getInstallerPackageName(String packageName) { 10676 // reader 10677 synchronized (mPackages) { 10678 return mSettings.getInstallerPackageNameLPr(packageName); 10679 } 10680 } 10681 10682 @Override 10683 public int getApplicationEnabledSetting(String packageName, int userId) { 10684 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10685 int uid = Binder.getCallingUid(); 10686 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10687 // reader 10688 synchronized (mPackages) { 10689 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10690 } 10691 } 10692 10693 @Override 10694 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10695 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10696 int uid = Binder.getCallingUid(); 10697 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10698 // reader 10699 synchronized (mPackages) { 10700 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10701 } 10702 } 10703 10704 public void enterSafeMode() { 10705 enforceSystemOrRoot("Only the system can request entering safe mode"); 10706 10707 if (!mSystemReady) { 10708 mSafeMode = true; 10709 } 10710 } 10711 10712 public void systemReady() { 10713 mSystemReady = true; 10714 10715 // Read the compatibilty setting when the system is ready. 10716 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10717 mContext.getContentResolver(), 10718 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10719 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10720 if (DEBUG_SETTINGS) { 10721 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10722 } 10723 10724 synchronized (mPackages) { 10725 // Verify that all of the preferred activity components actually 10726 // exist. It is possible for applications to be updated and at 10727 // that point remove a previously declared activity component that 10728 // had been set as a preferred activity. We try to clean this up 10729 // the next time we encounter that preferred activity, but it is 10730 // possible for the user flow to never be able to return to that 10731 // situation so here we do a sanity check to make sure we haven't 10732 // left any junk around. 10733 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10734 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10735 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10736 removed.clear(); 10737 for (PreferredActivity pa : pir.filterSet()) { 10738 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10739 removed.add(pa); 10740 } 10741 } 10742 if (removed.size() > 0) { 10743 for (int j=0; j<removed.size(); j++) { 10744 PreferredActivity pa = removed.get(i); 10745 Slog.w(TAG, "Removing dangling preferred activity: " 10746 + pa.mPref.mComponent); 10747 pir.removeFilter(pa); 10748 } 10749 mSettings.writePackageRestrictionsLPr( 10750 mSettings.mPreferredActivities.keyAt(i)); 10751 } 10752 } 10753 } 10754 sUserManager.systemReady(); 10755 } 10756 10757 public boolean isSafeMode() { 10758 return mSafeMode; 10759 } 10760 10761 public boolean hasSystemUidErrors() { 10762 return mHasSystemUidErrors; 10763 } 10764 10765 static String arrayToString(int[] array) { 10766 StringBuffer buf = new StringBuffer(128); 10767 buf.append('['); 10768 if (array != null) { 10769 for (int i=0; i<array.length; i++) { 10770 if (i > 0) buf.append(", "); 10771 buf.append(array[i]); 10772 } 10773 } 10774 buf.append(']'); 10775 return buf.toString(); 10776 } 10777 10778 static class DumpState { 10779 public static final int DUMP_LIBS = 1 << 0; 10780 10781 public static final int DUMP_FEATURES = 1 << 1; 10782 10783 public static final int DUMP_RESOLVERS = 1 << 2; 10784 10785 public static final int DUMP_PERMISSIONS = 1 << 3; 10786 10787 public static final int DUMP_PACKAGES = 1 << 4; 10788 10789 public static final int DUMP_SHARED_USERS = 1 << 5; 10790 10791 public static final int DUMP_MESSAGES = 1 << 6; 10792 10793 public static final int DUMP_PROVIDERS = 1 << 7; 10794 10795 public static final int DUMP_VERIFIERS = 1 << 8; 10796 10797 public static final int DUMP_PREFERRED = 1 << 9; 10798 10799 public static final int DUMP_PREFERRED_XML = 1 << 10; 10800 10801 public static final int DUMP_KEYSETS = 1 << 11; 10802 10803 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10804 10805 private int mTypes; 10806 10807 private int mOptions; 10808 10809 private boolean mTitlePrinted; 10810 10811 private SharedUserSetting mSharedUser; 10812 10813 public boolean isDumping(int type) { 10814 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10815 return true; 10816 } 10817 10818 return (mTypes & type) != 0; 10819 } 10820 10821 public void setDump(int type) { 10822 mTypes |= type; 10823 } 10824 10825 public boolean isOptionEnabled(int option) { 10826 return (mOptions & option) != 0; 10827 } 10828 10829 public void setOptionEnabled(int option) { 10830 mOptions |= option; 10831 } 10832 10833 public boolean onTitlePrinted() { 10834 final boolean printed = mTitlePrinted; 10835 mTitlePrinted = true; 10836 return printed; 10837 } 10838 10839 public boolean getTitlePrinted() { 10840 return mTitlePrinted; 10841 } 10842 10843 public void setTitlePrinted(boolean enabled) { 10844 mTitlePrinted = enabled; 10845 } 10846 10847 public SharedUserSetting getSharedUser() { 10848 return mSharedUser; 10849 } 10850 10851 public void setSharedUser(SharedUserSetting user) { 10852 mSharedUser = user; 10853 } 10854 } 10855 10856 @Override 10857 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10858 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10859 != PackageManager.PERMISSION_GRANTED) { 10860 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10861 + Binder.getCallingPid() 10862 + ", uid=" + Binder.getCallingUid() 10863 + " without permission " 10864 + android.Manifest.permission.DUMP); 10865 return; 10866 } 10867 10868 DumpState dumpState = new DumpState(); 10869 boolean fullPreferred = false; 10870 boolean checkin = false; 10871 10872 String packageName = null; 10873 10874 int opti = 0; 10875 while (opti < args.length) { 10876 String opt = args[opti]; 10877 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10878 break; 10879 } 10880 opti++; 10881 if ("-a".equals(opt)) { 10882 // Right now we only know how to print all. 10883 } else if ("-h".equals(opt)) { 10884 pw.println("Package manager dump options:"); 10885 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10886 pw.println(" --checkin: dump for a checkin"); 10887 pw.println(" -f: print details of intent filters"); 10888 pw.println(" -h: print this help"); 10889 pw.println(" cmd may be one of:"); 10890 pw.println(" l[ibraries]: list known shared libraries"); 10891 pw.println(" f[ibraries]: list device features"); 10892 pw.println(" r[esolvers]: dump intent resolvers"); 10893 pw.println(" perm[issions]: dump permissions"); 10894 pw.println(" pref[erred]: print preferred package settings"); 10895 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10896 pw.println(" prov[iders]: dump content providers"); 10897 pw.println(" p[ackages]: dump installed packages"); 10898 pw.println(" s[hared-users]: dump shared user IDs"); 10899 pw.println(" m[essages]: print collected runtime messages"); 10900 pw.println(" v[erifiers]: print package verifier info"); 10901 pw.println(" <package.name>: info about given package"); 10902 pw.println(" k[eysets]: print known keysets"); 10903 return; 10904 } else if ("--checkin".equals(opt)) { 10905 checkin = true; 10906 } else if ("-f".equals(opt)) { 10907 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10908 } else { 10909 pw.println("Unknown argument: " + opt + "; use -h for help"); 10910 } 10911 } 10912 10913 // Is the caller requesting to dump a particular piece of data? 10914 if (opti < args.length) { 10915 String cmd = args[opti]; 10916 opti++; 10917 // Is this a package name? 10918 if ("android".equals(cmd) || cmd.contains(".")) { 10919 packageName = cmd; 10920 // When dumping a single package, we always dump all of its 10921 // filter information since the amount of data will be reasonable. 10922 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10923 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10924 dumpState.setDump(DumpState.DUMP_LIBS); 10925 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10926 dumpState.setDump(DumpState.DUMP_FEATURES); 10927 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10928 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10929 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10930 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10931 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10932 dumpState.setDump(DumpState.DUMP_PREFERRED); 10933 } else if ("preferred-xml".equals(cmd)) { 10934 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10935 if (opti < args.length && "--full".equals(args[opti])) { 10936 fullPreferred = true; 10937 opti++; 10938 } 10939 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10940 dumpState.setDump(DumpState.DUMP_PACKAGES); 10941 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10942 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10943 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10944 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10945 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10946 dumpState.setDump(DumpState.DUMP_MESSAGES); 10947 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10948 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10949 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10950 dumpState.setDump(DumpState.DUMP_KEYSETS); 10951 } 10952 } 10953 10954 if (checkin) { 10955 pw.println("vers,1"); 10956 } 10957 10958 // reader 10959 synchronized (mPackages) { 10960 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10961 if (!checkin) { 10962 if (dumpState.onTitlePrinted()) 10963 pw.println(); 10964 pw.println("Verifiers:"); 10965 pw.print(" Required: "); 10966 pw.print(mRequiredVerifierPackage); 10967 pw.print(" (uid="); 10968 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10969 pw.println(")"); 10970 } else if (mRequiredVerifierPackage != null) { 10971 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10972 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10973 } 10974 } 10975 10976 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10977 boolean printedHeader = false; 10978 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10979 while (it.hasNext()) { 10980 String name = it.next(); 10981 SharedLibraryEntry ent = mSharedLibraries.get(name); 10982 if (!checkin) { 10983 if (!printedHeader) { 10984 if (dumpState.onTitlePrinted()) 10985 pw.println(); 10986 pw.println("Libraries:"); 10987 printedHeader = true; 10988 } 10989 pw.print(" "); 10990 } else { 10991 pw.print("lib,"); 10992 } 10993 pw.print(name); 10994 if (!checkin) { 10995 pw.print(" -> "); 10996 } 10997 if (ent.path != null) { 10998 if (!checkin) { 10999 pw.print("(jar) "); 11000 pw.print(ent.path); 11001 } else { 11002 pw.print(",jar,"); 11003 pw.print(ent.path); 11004 } 11005 } else { 11006 if (!checkin) { 11007 pw.print("(apk) "); 11008 pw.print(ent.apk); 11009 } else { 11010 pw.print(",apk,"); 11011 pw.print(ent.apk); 11012 } 11013 } 11014 pw.println(); 11015 } 11016 } 11017 11018 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11019 if (dumpState.onTitlePrinted()) 11020 pw.println(); 11021 if (!checkin) { 11022 pw.println("Features:"); 11023 } 11024 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11025 while (it.hasNext()) { 11026 String name = it.next(); 11027 if (!checkin) { 11028 pw.print(" "); 11029 } else { 11030 pw.print("feat,"); 11031 } 11032 pw.println(name); 11033 } 11034 } 11035 11036 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11037 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11038 : "Activity Resolver Table:", " ", packageName, 11039 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11040 dumpState.setTitlePrinted(true); 11041 } 11042 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11043 : "Receiver Resolver Table:", " ", packageName, 11044 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11045 dumpState.setTitlePrinted(true); 11046 } 11047 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11048 : "Service Resolver Table:", " ", packageName, 11049 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11050 dumpState.setTitlePrinted(true); 11051 } 11052 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11053 : "Provider Resolver Table:", " ", packageName, 11054 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11055 dumpState.setTitlePrinted(true); 11056 } 11057 } 11058 11059 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11060 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11061 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11062 int user = mSettings.mPreferredActivities.keyAt(i); 11063 if (pir.dump(pw, 11064 dumpState.getTitlePrinted() 11065 ? "\nPreferred Activities User " + user + ":" 11066 : "Preferred Activities User " + user + ":", " ", 11067 packageName, true)) { 11068 dumpState.setTitlePrinted(true); 11069 } 11070 } 11071 } 11072 11073 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11074 pw.flush(); 11075 FileOutputStream fout = new FileOutputStream(fd); 11076 BufferedOutputStream str = new BufferedOutputStream(fout); 11077 XmlSerializer serializer = new FastXmlSerializer(); 11078 try { 11079 serializer.setOutput(str, "utf-8"); 11080 serializer.startDocument(null, true); 11081 serializer.setFeature( 11082 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11083 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11084 serializer.endDocument(); 11085 serializer.flush(); 11086 } catch (IllegalArgumentException e) { 11087 pw.println("Failed writing: " + e); 11088 } catch (IllegalStateException e) { 11089 pw.println("Failed writing: " + e); 11090 } catch (IOException e) { 11091 pw.println("Failed writing: " + e); 11092 } 11093 } 11094 11095 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11096 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11097 } 11098 11099 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11100 boolean printedSomething = false; 11101 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11102 if (packageName != null && !packageName.equals(p.info.packageName)) { 11103 continue; 11104 } 11105 if (!printedSomething) { 11106 if (dumpState.onTitlePrinted()) 11107 pw.println(); 11108 pw.println("Registered ContentProviders:"); 11109 printedSomething = true; 11110 } 11111 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11112 pw.print(" "); pw.println(p.toString()); 11113 } 11114 printedSomething = false; 11115 for (Map.Entry<String, PackageParser.Provider> entry : 11116 mProvidersByAuthority.entrySet()) { 11117 PackageParser.Provider p = entry.getValue(); 11118 if (packageName != null && !packageName.equals(p.info.packageName)) { 11119 continue; 11120 } 11121 if (!printedSomething) { 11122 if (dumpState.onTitlePrinted()) 11123 pw.println(); 11124 pw.println("ContentProvider Authorities:"); 11125 printedSomething = true; 11126 } 11127 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11128 pw.print(" "); pw.println(p.toString()); 11129 if (p.info != null && p.info.applicationInfo != null) { 11130 final String appInfo = p.info.applicationInfo.toString(); 11131 pw.print(" applicationInfo="); pw.println(appInfo); 11132 } 11133 } 11134 } 11135 11136 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11137 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11138 } 11139 11140 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11141 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11142 } 11143 11144 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11145 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11146 } 11147 11148 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11149 if (dumpState.onTitlePrinted()) 11150 pw.println(); 11151 mSettings.dumpReadMessagesLPr(pw, dumpState); 11152 11153 pw.println(); 11154 pw.println("Package warning messages:"); 11155 final File fname = getSettingsProblemFile(); 11156 FileInputStream in = null; 11157 try { 11158 in = new FileInputStream(fname); 11159 final int avail = in.available(); 11160 final byte[] data = new byte[avail]; 11161 in.read(data); 11162 pw.print(new String(data)); 11163 } catch (FileNotFoundException e) { 11164 } catch (IOException e) { 11165 } finally { 11166 if (in != null) { 11167 try { 11168 in.close(); 11169 } catch (IOException e) { 11170 } 11171 } 11172 } 11173 } 11174 } 11175 } 11176 11177 // ------- apps on sdcard specific code ------- 11178 static final boolean DEBUG_SD_INSTALL = false; 11179 11180 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11181 11182 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11183 11184 private boolean mMediaMounted = false; 11185 11186 private String getEncryptKey() { 11187 try { 11188 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11189 SD_ENCRYPTION_KEYSTORE_NAME); 11190 if (sdEncKey == null) { 11191 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11192 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11193 if (sdEncKey == null) { 11194 Slog.e(TAG, "Failed to create encryption keys"); 11195 return null; 11196 } 11197 } 11198 return sdEncKey; 11199 } catch (NoSuchAlgorithmException nsae) { 11200 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11201 return null; 11202 } catch (IOException ioe) { 11203 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11204 return null; 11205 } 11206 11207 } 11208 11209 /* package */static String getTempContainerId() { 11210 int tmpIdx = 1; 11211 String list[] = PackageHelper.getSecureContainerList(); 11212 if (list != null) { 11213 for (final String name : list) { 11214 // Ignore null and non-temporary container entries 11215 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11216 continue; 11217 } 11218 11219 String subStr = name.substring(mTempContainerPrefix.length()); 11220 try { 11221 int cid = Integer.parseInt(subStr); 11222 if (cid >= tmpIdx) { 11223 tmpIdx = cid + 1; 11224 } 11225 } catch (NumberFormatException e) { 11226 } 11227 } 11228 } 11229 return mTempContainerPrefix + tmpIdx; 11230 } 11231 11232 /* 11233 * Update media status on PackageManager. 11234 */ 11235 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11236 int callingUid = Binder.getCallingUid(); 11237 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11238 throw new SecurityException("Media status can only be updated by the system"); 11239 } 11240 // reader; this apparently protects mMediaMounted, but should probably 11241 // be a different lock in that case. 11242 synchronized (mPackages) { 11243 Log.i(TAG, "Updating external media status from " 11244 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11245 + (mediaStatus ? "mounted" : "unmounted")); 11246 if (DEBUG_SD_INSTALL) 11247 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11248 + ", mMediaMounted=" + mMediaMounted); 11249 if (mediaStatus == mMediaMounted) { 11250 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11251 : 0, -1); 11252 mHandler.sendMessage(msg); 11253 return; 11254 } 11255 mMediaMounted = mediaStatus; 11256 } 11257 // Queue up an async operation since the package installation may take a 11258 // little while. 11259 mHandler.post(new Runnable() { 11260 public void run() { 11261 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11262 } 11263 }); 11264 } 11265 11266 /** 11267 * Called by MountService when the initial ASECs to scan are available. 11268 * Should block until all the ASEC containers are finished being scanned. 11269 */ 11270 public void scanAvailableAsecs() { 11271 updateExternalMediaStatusInner(true, false, false); 11272 } 11273 11274 /* 11275 * Collect information of applications on external media, map them against 11276 * existing containers and update information based on current mount status. 11277 * Please note that we always have to report status if reportStatus has been 11278 * set to true especially when unloading packages. 11279 */ 11280 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11281 boolean externalStorage) { 11282 // Collection of uids 11283 int uidArr[] = null; 11284 // Collection of stale containers 11285 HashSet<String> removeCids = new HashSet<String>(); 11286 // Collection of packages on external media with valid containers. 11287 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11288 // Get list of secure containers. 11289 final String list[] = PackageHelper.getSecureContainerList(); 11290 if (list == null || list.length == 0) { 11291 Log.i(TAG, "No secure containers on sdcard"); 11292 } else { 11293 // Process list of secure containers and categorize them 11294 // as active or stale based on their package internal state. 11295 int uidList[] = new int[list.length]; 11296 int num = 0; 11297 // reader 11298 synchronized (mPackages) { 11299 for (String cid : list) { 11300 if (DEBUG_SD_INSTALL) 11301 Log.i(TAG, "Processing container " + cid); 11302 String pkgName = getAsecPackageName(cid); 11303 if (pkgName == null) { 11304 if (DEBUG_SD_INSTALL) 11305 Log.i(TAG, "Container : " + cid + " stale"); 11306 removeCids.add(cid); 11307 continue; 11308 } 11309 if (DEBUG_SD_INSTALL) 11310 Log.i(TAG, "Looking for pkg : " + pkgName); 11311 11312 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11313 if (ps == null) { 11314 Log.i(TAG, "Deleting container with no matching settings " + cid); 11315 removeCids.add(cid); 11316 continue; 11317 } 11318 11319 /* 11320 * Skip packages that are not external if we're unmounting 11321 * external storage. 11322 */ 11323 if (externalStorage && !isMounted && !isExternal(ps)) { 11324 continue; 11325 } 11326 11327 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11328 // The package status is changed only if the code path 11329 // matches between settings and the container id. 11330 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11331 if (DEBUG_SD_INSTALL) { 11332 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11333 + " at code path: " + ps.codePathString); 11334 } 11335 11336 // We do have a valid package installed on sdcard 11337 processCids.put(args, ps.codePathString); 11338 final int uid = ps.appId; 11339 if (uid != -1) { 11340 uidList[num++] = uid; 11341 } 11342 } else { 11343 Log.i(TAG, "Deleting stale container for " + cid); 11344 removeCids.add(cid); 11345 } 11346 } 11347 } 11348 11349 if (num > 0) { 11350 // Sort uid list 11351 Arrays.sort(uidList, 0, num); 11352 // Throw away duplicates 11353 uidArr = new int[num]; 11354 uidArr[0] = uidList[0]; 11355 int di = 0; 11356 for (int i = 1; i < num; i++) { 11357 if (uidList[i - 1] != uidList[i]) { 11358 uidArr[di++] = uidList[i]; 11359 } 11360 } 11361 } 11362 } 11363 // Process packages with valid entries. 11364 if (isMounted) { 11365 if (DEBUG_SD_INSTALL) 11366 Log.i(TAG, "Loading packages"); 11367 loadMediaPackages(processCids, uidArr, removeCids); 11368 startCleaningPackages(); 11369 } else { 11370 if (DEBUG_SD_INSTALL) 11371 Log.i(TAG, "Unloading packages"); 11372 unloadMediaPackages(processCids, uidArr, reportStatus); 11373 } 11374 } 11375 11376 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11377 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11378 int size = pkgList.size(); 11379 if (size > 0) { 11380 // Send broadcasts here 11381 Bundle extras = new Bundle(); 11382 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11383 .toArray(new String[size])); 11384 if (uidArr != null) { 11385 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11386 } 11387 if (replacing) { 11388 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11389 } 11390 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11391 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11392 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11393 } 11394 } 11395 11396 /* 11397 * Look at potentially valid container ids from processCids If package 11398 * information doesn't match the one on record or package scanning fails, 11399 * the cid is added to list of removeCids. We currently don't delete stale 11400 * containers. 11401 */ 11402 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11403 HashSet<String> removeCids) { 11404 ArrayList<String> pkgList = new ArrayList<String>(); 11405 Set<AsecInstallArgs> keys = processCids.keySet(); 11406 boolean doGc = false; 11407 for (AsecInstallArgs args : keys) { 11408 String codePath = processCids.get(args); 11409 if (DEBUG_SD_INSTALL) 11410 Log.i(TAG, "Loading container : " + args.cid); 11411 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11412 try { 11413 // Make sure there are no container errors first. 11414 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11415 Slog.e(TAG, "Failed to mount cid : " + args.cid 11416 + " when installing from sdcard"); 11417 continue; 11418 } 11419 // Check code path here. 11420 if (codePath == null || !codePath.equals(args.getCodePath())) { 11421 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11422 + " does not match one in settings " + codePath); 11423 continue; 11424 } 11425 // Parse package 11426 int parseFlags = mDefParseFlags; 11427 if (args.isExternal()) { 11428 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11429 } 11430 if (args.isFwdLocked()) { 11431 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11432 } 11433 11434 doGc = true; 11435 synchronized (mInstallLock) { 11436 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11437 0, 0, null); 11438 // Scan the package 11439 if (pkg != null) { 11440 /* 11441 * TODO why is the lock being held? doPostInstall is 11442 * called in other places without the lock. This needs 11443 * to be straightened out. 11444 */ 11445 // writer 11446 synchronized (mPackages) { 11447 retCode = PackageManager.INSTALL_SUCCEEDED; 11448 pkgList.add(pkg.packageName); 11449 // Post process args 11450 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11451 pkg.applicationInfo.uid); 11452 } 11453 } else { 11454 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11455 } 11456 } 11457 11458 } finally { 11459 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11460 // Don't destroy container here. Wait till gc clears things 11461 // up. 11462 removeCids.add(args.cid); 11463 } 11464 } 11465 } 11466 // writer 11467 synchronized (mPackages) { 11468 // If the platform SDK has changed since the last time we booted, 11469 // we need to re-grant app permission to catch any new ones that 11470 // appear. This is really a hack, and means that apps can in some 11471 // cases get permissions that the user didn't initially explicitly 11472 // allow... it would be nice to have some better way to handle 11473 // this situation. 11474 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11475 if (regrantPermissions) 11476 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11477 + mSdkVersion + "; regranting permissions for external storage"); 11478 mSettings.mExternalSdkPlatform = mSdkVersion; 11479 11480 // Make sure group IDs have been assigned, and any permission 11481 // changes in other apps are accounted for 11482 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11483 | (regrantPermissions 11484 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11485 : 0)); 11486 // can downgrade to reader 11487 // Persist settings 11488 mSettings.writeLPr(); 11489 } 11490 // Send a broadcast to let everyone know we are done processing 11491 if (pkgList.size() > 0) { 11492 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11493 } 11494 // Force gc to avoid any stale parser references that we might have. 11495 if (doGc) { 11496 Runtime.getRuntime().gc(); 11497 } 11498 // List stale containers and destroy stale temporary containers. 11499 if (removeCids != null) { 11500 for (String cid : removeCids) { 11501 if (cid.startsWith(mTempContainerPrefix)) { 11502 Log.i(TAG, "Destroying stale temporary container " + cid); 11503 PackageHelper.destroySdDir(cid); 11504 } else { 11505 Log.w(TAG, "Container " + cid + " is stale"); 11506 } 11507 } 11508 } 11509 } 11510 11511 /* 11512 * Utility method to unload a list of specified containers 11513 */ 11514 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11515 // Just unmount all valid containers. 11516 for (AsecInstallArgs arg : cidArgs) { 11517 synchronized (mInstallLock) { 11518 arg.doPostDeleteLI(false); 11519 } 11520 } 11521 } 11522 11523 /* 11524 * Unload packages mounted on external media. This involves deleting package 11525 * data from internal structures, sending broadcasts about diabled packages, 11526 * gc'ing to free up references, unmounting all secure containers 11527 * corresponding to packages on external media, and posting a 11528 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11529 * that we always have to post this message if status has been requested no 11530 * matter what. 11531 */ 11532 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11533 final boolean reportStatus) { 11534 if (DEBUG_SD_INSTALL) 11535 Log.i(TAG, "unloading media packages"); 11536 ArrayList<String> pkgList = new ArrayList<String>(); 11537 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11538 final Set<AsecInstallArgs> keys = processCids.keySet(); 11539 for (AsecInstallArgs args : keys) { 11540 String pkgName = args.getPackageName(); 11541 if (DEBUG_SD_INSTALL) 11542 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11543 // Delete package internally 11544 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11545 synchronized (mInstallLock) { 11546 boolean res = deletePackageLI(pkgName, null, false, null, null, 11547 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11548 if (res) { 11549 pkgList.add(pkgName); 11550 } else { 11551 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11552 failedList.add(args); 11553 } 11554 } 11555 } 11556 11557 // reader 11558 synchronized (mPackages) { 11559 // We didn't update the settings after removing each package; 11560 // write them now for all packages. 11561 mSettings.writeLPr(); 11562 } 11563 11564 // We have to absolutely send UPDATED_MEDIA_STATUS only 11565 // after confirming that all the receivers processed the ordered 11566 // broadcast when packages get disabled, force a gc to clean things up. 11567 // and unload all the containers. 11568 if (pkgList.size() > 0) { 11569 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11570 new IIntentReceiver.Stub() { 11571 public void performReceive(Intent intent, int resultCode, String data, 11572 Bundle extras, boolean ordered, boolean sticky, 11573 int sendingUser) throws RemoteException { 11574 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11575 reportStatus ? 1 : 0, 1, keys); 11576 mHandler.sendMessage(msg); 11577 } 11578 }); 11579 } else { 11580 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11581 keys); 11582 mHandler.sendMessage(msg); 11583 } 11584 } 11585 11586 /** Binder call */ 11587 @Override 11588 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11589 final int flags) { 11590 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11591 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11592 int returnCode = PackageManager.MOVE_SUCCEEDED; 11593 int currFlags = 0; 11594 int newFlags = 0; 11595 // reader 11596 synchronized (mPackages) { 11597 PackageParser.Package pkg = mPackages.get(packageName); 11598 if (pkg == null) { 11599 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11600 } else { 11601 // Disable moving fwd locked apps and system packages 11602 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11603 Slog.w(TAG, "Cannot move system application"); 11604 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11605 } else if (pkg.mOperationPending) { 11606 Slog.w(TAG, "Attempt to move package which has pending operations"); 11607 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11608 } else { 11609 // Find install location first 11610 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11611 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11612 Slog.w(TAG, "Ambigous flags specified for move location."); 11613 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11614 } else { 11615 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11616 : PackageManager.INSTALL_INTERNAL; 11617 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11618 : PackageManager.INSTALL_INTERNAL; 11619 11620 if (newFlags == currFlags) { 11621 Slog.w(TAG, "No move required. Trying to move to same location"); 11622 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11623 } else { 11624 if (isForwardLocked(pkg)) { 11625 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11626 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11627 } 11628 } 11629 } 11630 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11631 pkg.mOperationPending = true; 11632 } 11633 } 11634 } 11635 11636 /* 11637 * TODO this next block probably shouldn't be inside the lock. We 11638 * can't guarantee these won't change after this is fired off 11639 * anyway. 11640 */ 11641 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11642 processPendingMove(new MoveParams(null, observer, 0, packageName, 11643 null, -1, user), 11644 returnCode); 11645 } else { 11646 Message msg = mHandler.obtainMessage(INIT_COPY); 11647 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11648 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11649 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11650 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11651 msg.obj = mp; 11652 mHandler.sendMessage(msg); 11653 } 11654 } 11655 } 11656 11657 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11658 // Queue up an async operation since the package deletion may take a 11659 // little while. 11660 mHandler.post(new Runnable() { 11661 public void run() { 11662 // TODO fix this; this does nothing. 11663 mHandler.removeCallbacks(this); 11664 int returnCode = currentStatus; 11665 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11666 int uidArr[] = null; 11667 ArrayList<String> pkgList = null; 11668 synchronized (mPackages) { 11669 PackageParser.Package pkg = mPackages.get(mp.packageName); 11670 if (pkg == null) { 11671 Slog.w(TAG, " Package " + mp.packageName 11672 + " doesn't exist. Aborting move"); 11673 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11674 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11675 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11676 + mp.srcArgs.getCodePath() + " to " 11677 + pkg.applicationInfo.sourceDir 11678 + " Aborting move and returning error"); 11679 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11680 } else { 11681 uidArr = new int[] { 11682 pkg.applicationInfo.uid 11683 }; 11684 pkgList = new ArrayList<String>(); 11685 pkgList.add(mp.packageName); 11686 } 11687 } 11688 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11689 // Send resources unavailable broadcast 11690 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11691 // Update package code and resource paths 11692 synchronized (mInstallLock) { 11693 synchronized (mPackages) { 11694 PackageParser.Package pkg = mPackages.get(mp.packageName); 11695 // Recheck for package again. 11696 if (pkg == null) { 11697 Slog.w(TAG, " Package " + mp.packageName 11698 + " doesn't exist. Aborting move"); 11699 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11700 } else if (!mp.srcArgs.getCodePath().equals( 11701 pkg.applicationInfo.sourceDir)) { 11702 Slog.w(TAG, "Package " + mp.packageName 11703 + " code path changed from " + mp.srcArgs.getCodePath() 11704 + " to " + pkg.applicationInfo.sourceDir 11705 + " Aborting move and returning error"); 11706 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11707 } else { 11708 final String oldCodePath = pkg.mPath; 11709 final String newCodePath = mp.targetArgs.getCodePath(); 11710 final String newResPath = mp.targetArgs.getResourcePath(); 11711 final String newNativePath = mp.targetArgs 11712 .getNativeLibraryPath(); 11713 11714 final File newNativeDir = new File(newNativePath); 11715 11716 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11717 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11718 new File(newCodePath), newNativeDir); 11719 } 11720 final int[] users = sUserManager.getUserIds(); 11721 for (int user : users) { 11722 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11723 newNativePath, user) < 0) { 11724 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11725 } 11726 } 11727 11728 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11729 pkg.mPath = newCodePath; 11730 // Move dex files around 11731 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11732 // Moving of dex files failed. Set 11733 // error code and abort move. 11734 pkg.mPath = pkg.mScanPath; 11735 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11736 } 11737 } 11738 11739 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11740 pkg.mScanPath = newCodePath; 11741 pkg.applicationInfo.sourceDir = newCodePath; 11742 pkg.applicationInfo.publicSourceDir = newResPath; 11743 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11744 PackageSetting ps = (PackageSetting) pkg.mExtras; 11745 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11746 ps.codePathString = ps.codePath.getPath(); 11747 ps.resourcePath = new File( 11748 pkg.applicationInfo.publicSourceDir); 11749 ps.resourcePathString = ps.resourcePath.getPath(); 11750 ps.nativeLibraryPathString = newNativePath; 11751 // Set the application info flag 11752 // correctly. 11753 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11754 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11755 } else { 11756 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11757 } 11758 ps.setFlags(pkg.applicationInfo.flags); 11759 mAppDirs.remove(oldCodePath); 11760 mAppDirs.put(newCodePath, pkg); 11761 // Persist settings 11762 mSettings.writeLPr(); 11763 } 11764 } 11765 } 11766 } 11767 // Send resources available broadcast 11768 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11769 } 11770 } 11771 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11772 // Clean up failed installation 11773 if (mp.targetArgs != null) { 11774 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11775 -1); 11776 } 11777 } else { 11778 // Force a gc to clear things up. 11779 Runtime.getRuntime().gc(); 11780 // Delete older code 11781 synchronized (mInstallLock) { 11782 mp.srcArgs.doPostDeleteLI(true); 11783 } 11784 } 11785 11786 // Allow more operations on this file if we didn't fail because 11787 // an operation was already pending for this package. 11788 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11789 synchronized (mPackages) { 11790 PackageParser.Package pkg = mPackages.get(mp.packageName); 11791 if (pkg != null) { 11792 pkg.mOperationPending = false; 11793 } 11794 } 11795 } 11796 11797 IPackageMoveObserver observer = mp.observer; 11798 if (observer != null) { 11799 try { 11800 observer.packageMoved(mp.packageName, returnCode); 11801 } catch (RemoteException e) { 11802 Log.i(TAG, "Observer no longer exists."); 11803 } 11804 } 11805 } 11806 }); 11807 } 11808 11809 public boolean setInstallLocation(int loc) { 11810 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11811 null); 11812 if (getInstallLocation() == loc) { 11813 return true; 11814 } 11815 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11816 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11817 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11818 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11819 return true; 11820 } 11821 return false; 11822 } 11823 11824 public int getInstallLocation() { 11825 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11826 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11827 PackageHelper.APP_INSTALL_AUTO); 11828 } 11829 11830 /** Called by UserManagerService */ 11831 void cleanUpUserLILPw(int userHandle) { 11832 mDirtyUsers.remove(userHandle); 11833 mSettings.removeUserLPr(userHandle); 11834 mPendingBroadcasts.remove(userHandle); 11835 if (mInstaller != null) { 11836 // Technically, we shouldn't be doing this with the package lock 11837 // held. However, this is very rare, and there is already so much 11838 // other disk I/O going on, that we'll let it slide for now. 11839 mInstaller.removeUserDataDirs(userHandle); 11840 } 11841 } 11842 11843 /** Called by UserManagerService */ 11844 void createNewUserLILPw(int userHandle, File path) { 11845 if (mInstaller != null) { 11846 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11847 } 11848 } 11849 11850 @Override 11851 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11852 mContext.enforceCallingOrSelfPermission( 11853 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11854 "Only package verification agents can read the verifier device identity"); 11855 11856 synchronized (mPackages) { 11857 return mSettings.getVerifierDeviceIdentityLPw(); 11858 } 11859 } 11860 11861 @Override 11862 public void setPermissionEnforced(String permission, boolean enforced) { 11863 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11864 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11865 synchronized (mPackages) { 11866 if (mSettings.mReadExternalStorageEnforced == null 11867 || mSettings.mReadExternalStorageEnforced != enforced) { 11868 mSettings.mReadExternalStorageEnforced = enforced; 11869 mSettings.writeLPr(); 11870 } 11871 } 11872 // kill any non-foreground processes so we restart them and 11873 // grant/revoke the GID. 11874 final IActivityManager am = ActivityManagerNative.getDefault(); 11875 if (am != null) { 11876 final long token = Binder.clearCallingIdentity(); 11877 try { 11878 am.killProcessesBelowForeground("setPermissionEnforcement"); 11879 } catch (RemoteException e) { 11880 } finally { 11881 Binder.restoreCallingIdentity(token); 11882 } 11883 } 11884 } else { 11885 throw new IllegalArgumentException("No selective enforcement for " + permission); 11886 } 11887 } 11888 11889 @Override 11890 @Deprecated 11891 public boolean isPermissionEnforced(String permission) { 11892 return true; 11893 } 11894 11895 @Override 11896 public boolean isStorageLow() { 11897 final long token = Binder.clearCallingIdentity(); 11898 try { 11899 final DeviceStorageMonitorInternal 11900 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11901 if (dsm != null) { 11902 return dsm.isMemoryLow(); 11903 } else { 11904 return false; 11905 } 11906 } finally { 11907 Binder.restoreCallingIdentity(token); 11908 } 11909 } 11910} 11911