PackageManagerService.java revision 2d3ddc2ba9f86d795e437ea90dccb59cf1ebfd11
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.isDexOptNeededInternal(lib, null, false)) { 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.isDexOptNeededInternal(path, null, false)) { 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.isDexOptNeededInternal(path, pkg.packageName, 4092 defer)) { 4093 if (!forceDex && defer) { 4094 if (mDeferredDexOpt == null) { 4095 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4096 } 4097 mDeferredDexOpt.add(pkg); 4098 return DEX_OPT_DEFERRED; 4099 } else { 4100 Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); 4101 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4102 ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4103 pkg.packageName); 4104 pkg.mDidDexOpt = true; 4105 performed = true; 4106 } 4107 } 4108 } catch (FileNotFoundException e) { 4109 Slog.w(TAG, "Apk not found for dexopt: " + path); 4110 ret = -1; 4111 } catch (IOException e) { 4112 Slog.w(TAG, "IOException reading apk: " + path, e); 4113 ret = -1; 4114 } catch (dalvik.system.StaleDexCacheError e) { 4115 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4116 ret = -1; 4117 } catch (Exception e) { 4118 Slog.w(TAG, "Exception when doing dexopt : ", e); 4119 ret = -1; 4120 } 4121 if (ret < 0) { 4122 //error from installer 4123 return DEX_OPT_FAILED; 4124 } 4125 } 4126 4127 return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4128 } 4129 4130 private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer, 4131 boolean inclDependencies) { 4132 HashSet<String> done; 4133 boolean performed = false; 4134 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4135 done = new HashSet<String>(); 4136 done.add(pkg.packageName); 4137 } else { 4138 done = null; 4139 } 4140 return performDexOptLI(pkg, forceDex, defer, done); 4141 } 4142 4143 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4144 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4145 Slog.w(TAG, "Unable to update from " + oldPkg.name 4146 + " to " + newPkg.packageName 4147 + ": old package not in system partition"); 4148 return false; 4149 } else if (mPackages.get(oldPkg.name) != null) { 4150 Slog.w(TAG, "Unable to update from " + oldPkg.name 4151 + " to " + newPkg.packageName 4152 + ": old package still exists"); 4153 return false; 4154 } 4155 return true; 4156 } 4157 4158 File getDataPathForUser(int userId) { 4159 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4160 } 4161 4162 private File getDataPathForPackage(String packageName, int userId) { 4163 /* 4164 * Until we fully support multiple users, return the directory we 4165 * previously would have. The PackageManagerTests will need to be 4166 * revised when this is changed back.. 4167 */ 4168 if (userId == 0) { 4169 return new File(mAppDataDir, packageName); 4170 } else { 4171 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4172 + File.separator + packageName); 4173 } 4174 } 4175 4176 private int createDataDirsLI(String packageName, int uid, String seinfo) { 4177 int[] users = sUserManager.getUserIds(); 4178 int res = mInstaller.install(packageName, uid, uid, seinfo); 4179 if (res < 0) { 4180 return res; 4181 } 4182 for (int user : users) { 4183 if (user != 0) { 4184 res = mInstaller.createUserData(packageName, 4185 UserHandle.getUid(user, uid), user, seinfo); 4186 if (res < 0) { 4187 return res; 4188 } 4189 } 4190 } 4191 return res; 4192 } 4193 4194 private int removeDataDirsLI(String packageName) { 4195 int[] users = sUserManager.getUserIds(); 4196 int res = 0; 4197 for (int user : users) { 4198 int resInner = mInstaller.remove(packageName, user); 4199 if (resInner < 0) { 4200 res = resInner; 4201 } 4202 } 4203 4204 final File nativeLibraryFile = new File(mAppLibInstallDir, packageName); 4205 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 4206 if (!nativeLibraryFile.delete()) { 4207 Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath()); 4208 } 4209 4210 return res; 4211 } 4212 4213 private int addSharedLibraryLPw(final SharedLibraryEntry file, int num, 4214 PackageParser.Package changingLib) { 4215 if (file.path != null) { 4216 mTmpSharedLibraries[num] = file.path; 4217 return num+1; 4218 } 4219 PackageParser.Package p = mPackages.get(file.apk); 4220 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 4221 // If we are doing this while in the middle of updating a library apk, 4222 // then we need to make sure to use that new apk for determining the 4223 // dependencies here. (We haven't yet finished committing the new apk 4224 // to the package manager state.) 4225 if (p == null || p.packageName.equals(changingLib.packageName)) { 4226 p = changingLib; 4227 } 4228 } 4229 if (p != null) { 4230 String path = p.mPath; 4231 for (int i=0; i<num; i++) { 4232 if (mTmpSharedLibraries[i].equals(path)) { 4233 return num; 4234 } 4235 } 4236 mTmpSharedLibraries[num] = p.mPath; 4237 return num+1; 4238 } 4239 return num; 4240 } 4241 4242 private boolean updateSharedLibrariesLPw(PackageParser.Package pkg, 4243 PackageParser.Package changingLib) { 4244 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 4245 if (mTmpSharedLibraries == null || 4246 mTmpSharedLibraries.length < mSharedLibraries.size()) { 4247 mTmpSharedLibraries = new String[mSharedLibraries.size()]; 4248 } 4249 int num = 0; 4250 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 4251 for (int i=0; i<N; i++) { 4252 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 4253 if (file == null) { 4254 Slog.e(TAG, "Package " + pkg.packageName 4255 + " requires unavailable shared library " 4256 + pkg.usesLibraries.get(i) + "; failing!"); 4257 mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 4258 return false; 4259 } 4260 num = addSharedLibraryLPw(file, num, changingLib); 4261 } 4262 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 4263 for (int i=0; i<N; i++) { 4264 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 4265 if (file == null) { 4266 Slog.w(TAG, "Package " + pkg.packageName 4267 + " desires unavailable shared library " 4268 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 4269 } else { 4270 num = addSharedLibraryLPw(file, num, changingLib); 4271 } 4272 } 4273 if (num > 0) { 4274 pkg.usesLibraryFiles = new String[num]; 4275 System.arraycopy(mTmpSharedLibraries, 0, 4276 pkg.usesLibraryFiles, 0, num); 4277 } else { 4278 pkg.usesLibraryFiles = null; 4279 } 4280 } 4281 return true; 4282 } 4283 4284 private static boolean hasString(List<String> list, List<String> which) { 4285 if (list == null) { 4286 return false; 4287 } 4288 for (int i=list.size()-1; i>=0; i--) { 4289 for (int j=which.size()-1; j>=0; j--) { 4290 if (which.get(j).equals(list.get(i))) { 4291 return true; 4292 } 4293 } 4294 } 4295 return false; 4296 } 4297 4298 private void updateAllSharedLibrariesLPw() { 4299 for (PackageParser.Package pkg : mPackages.values()) { 4300 updateSharedLibrariesLPw(pkg, null); 4301 } 4302 } 4303 4304 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 4305 PackageParser.Package changingPkg) { 4306 ArrayList<PackageParser.Package> res = null; 4307 for (PackageParser.Package pkg : mPackages.values()) { 4308 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 4309 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 4310 if (res == null) { 4311 res = new ArrayList<PackageParser.Package>(); 4312 } 4313 res.add(pkg); 4314 updateSharedLibrariesLPw(pkg, changingPkg); 4315 } 4316 } 4317 return res; 4318 } 4319 4320 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, 4321 int parseFlags, int scanMode, long currentTime, UserHandle user) { 4322 File scanFile = new File(pkg.mScanPath); 4323 if (scanFile == null || pkg.applicationInfo.sourceDir == null || 4324 pkg.applicationInfo.publicSourceDir == null) { 4325 // Bail out. The resource and code paths haven't been set. 4326 Slog.w(TAG, " Code and resource paths haven't been set correctly"); 4327 mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; 4328 return null; 4329 } 4330 4331 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4332 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 4333 } 4334 4335 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 4336 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 4337 } 4338 4339 if (mCustomResolverComponentName != null && 4340 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 4341 setUpCustomResolverActivity(pkg); 4342 } 4343 4344 if (pkg.packageName.equals("android")) { 4345 synchronized (mPackages) { 4346 if (mAndroidApplication != null) { 4347 Slog.w(TAG, "*************************************************"); 4348 Slog.w(TAG, "Core android package being redefined. Skipping."); 4349 Slog.w(TAG, " file=" + scanFile); 4350 Slog.w(TAG, "*************************************************"); 4351 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4352 return null; 4353 } 4354 4355 // Set up information for our fall-back user intent resolution activity. 4356 mPlatformPackage = pkg; 4357 pkg.mVersionCode = mSdkVersion; 4358 mAndroidApplication = pkg.applicationInfo; 4359 4360 if (!mResolverReplaced) { 4361 mResolveActivity.applicationInfo = mAndroidApplication; 4362 mResolveActivity.name = ResolverActivity.class.getName(); 4363 mResolveActivity.packageName = mAndroidApplication.packageName; 4364 mResolveActivity.processName = "system:ui"; 4365 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 4366 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 4367 mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; 4368 mResolveActivity.exported = true; 4369 mResolveActivity.enabled = true; 4370 mResolveInfo.activityInfo = mResolveActivity; 4371 mResolveInfo.priority = 0; 4372 mResolveInfo.preferredOrder = 0; 4373 mResolveInfo.match = 0; 4374 mResolveComponentName = new ComponentName( 4375 mAndroidApplication.packageName, mResolveActivity.name); 4376 } 4377 } 4378 } 4379 4380 if (DEBUG_PACKAGE_SCANNING) { 4381 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4382 Log.d(TAG, "Scanning package " + pkg.packageName); 4383 } 4384 4385 if (mPackages.containsKey(pkg.packageName) 4386 || mSharedLibraries.containsKey(pkg.packageName)) { 4387 Slog.w(TAG, "Application package " + pkg.packageName 4388 + " already installed. Skipping duplicate."); 4389 mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 4390 return null; 4391 } 4392 4393 // Initialize package source and resource directories 4394 File destCodeFile = new File(pkg.applicationInfo.sourceDir); 4395 File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); 4396 4397 SharedUserSetting suid = null; 4398 PackageSetting pkgSetting = null; 4399 4400 if (!isSystemApp(pkg)) { 4401 // Only system apps can use these features. 4402 pkg.mOriginalPackages = null; 4403 pkg.mRealPackage = null; 4404 pkg.mAdoptPermissions = null; 4405 } 4406 4407 // writer 4408 synchronized (mPackages) { 4409 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4410 // Check all shared libraries and map to their actual file path. 4411 // We only do this here for apps not on a system dir, because those 4412 // are the only ones that can fail an install due to this. We 4413 // will take care of the system apps by updating all of their 4414 // library paths after the scan is done. 4415 if (!updateSharedLibrariesLPw(pkg, null)) { 4416 return null; 4417 } 4418 } 4419 4420 if (pkg.mSharedUserId != null) { 4421 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 4422 if (suid == null) { 4423 Slog.w(TAG, "Creating application package " + pkg.packageName 4424 + " for shared user failed"); 4425 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4426 return null; 4427 } 4428 if (DEBUG_PACKAGE_SCANNING) { 4429 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4430 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 4431 + "): packages=" + suid.packages); 4432 } 4433 } 4434 4435 // Check if we are renaming from an original package name. 4436 PackageSetting origPackage = null; 4437 String realName = null; 4438 if (pkg.mOriginalPackages != null) { 4439 // This package may need to be renamed to a previously 4440 // installed name. Let's check on that... 4441 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 4442 if (pkg.mOriginalPackages.contains(renamed)) { 4443 // This package had originally been installed as the 4444 // original name, and we have already taken care of 4445 // transitioning to the new one. Just update the new 4446 // one to continue using the old name. 4447 realName = pkg.mRealPackage; 4448 if (!pkg.packageName.equals(renamed)) { 4449 // Callers into this function may have already taken 4450 // care of renaming the package; only do it here if 4451 // it is not already done. 4452 pkg.setPackageName(renamed); 4453 } 4454 4455 } else { 4456 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 4457 if ((origPackage = mSettings.peekPackageLPr( 4458 pkg.mOriginalPackages.get(i))) != null) { 4459 // We do have the package already installed under its 4460 // original name... should we use it? 4461 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 4462 // New package is not compatible with original. 4463 origPackage = null; 4464 continue; 4465 } else if (origPackage.sharedUser != null) { 4466 // Make sure uid is compatible between packages. 4467 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 4468 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 4469 + " to " + pkg.packageName + ": old uid " 4470 + origPackage.sharedUser.name 4471 + " differs from " + pkg.mSharedUserId); 4472 origPackage = null; 4473 continue; 4474 } 4475 } else { 4476 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 4477 + pkg.packageName + " to old name " + origPackage.name); 4478 } 4479 break; 4480 } 4481 } 4482 } 4483 } 4484 4485 if (mTransferedPackages.contains(pkg.packageName)) { 4486 Slog.w(TAG, "Package " + pkg.packageName 4487 + " was transferred to another, but its .apk remains"); 4488 } 4489 4490 // Just create the setting, don't add it yet. For already existing packages 4491 // the PkgSetting exists already and doesn't have to be created. 4492 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 4493 destResourceFile, pkg.applicationInfo.nativeLibraryDir, 4494 pkg.applicationInfo.flags, user, false); 4495 if (pkgSetting == null) { 4496 Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); 4497 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4498 return null; 4499 } 4500 4501 if (pkgSetting.origPackage != null) { 4502 // If we are first transitioning from an original package, 4503 // fix up the new package's name now. We need to do this after 4504 // looking up the package under its new name, so getPackageLP 4505 // can take care of fiddling things correctly. 4506 pkg.setPackageName(origPackage.name); 4507 4508 // File a report about this. 4509 String msg = "New package " + pkgSetting.realName 4510 + " renamed to replace old package " + pkgSetting.name; 4511 reportSettingsProblem(Log.WARN, msg); 4512 4513 // Make a note of it. 4514 mTransferedPackages.add(origPackage.name); 4515 4516 // No longer need to retain this. 4517 pkgSetting.origPackage = null; 4518 } 4519 4520 if (realName != null) { 4521 // Make a note of it. 4522 mTransferedPackages.add(pkg.packageName); 4523 } 4524 4525 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 4526 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 4527 } 4528 4529 if (mFoundPolicyFile) { 4530 SELinuxMMAC.assignSeinfoValue(pkg); 4531 } 4532 4533 pkg.applicationInfo.uid = pkgSetting.appId; 4534 pkg.mExtras = pkgSetting; 4535 4536 if (!verifySignaturesLP(pkgSetting, pkg)) { 4537 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4538 return null; 4539 } 4540 // The signature has changed, but this package is in the system 4541 // image... let's recover! 4542 pkgSetting.signatures.mSignatures = pkg.mSignatures; 4543 // However... if this package is part of a shared user, but it 4544 // doesn't match the signature of the shared user, let's fail. 4545 // What this means is that you can't change the signatures 4546 // associated with an overall shared user, which doesn't seem all 4547 // that unreasonable. 4548 if (pkgSetting.sharedUser != null) { 4549 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4550 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 4551 Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); 4552 mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 4553 return null; 4554 } 4555 } 4556 // File a report about this. 4557 String msg = "System package " + pkg.packageName 4558 + " signature changed; retaining data."; 4559 reportSettingsProblem(Log.WARN, msg); 4560 } 4561 4562 // Verify that this new package doesn't have any content providers 4563 // that conflict with existing packages. Only do this if the 4564 // package isn't already installed, since we don't want to break 4565 // things that are installed. 4566 if ((scanMode&SCAN_NEW_INSTALL) != 0) { 4567 final int N = pkg.providers.size(); 4568 int i; 4569 for (i=0; i<N; i++) { 4570 PackageParser.Provider p = pkg.providers.get(i); 4571 if (p.info.authority != null) { 4572 String names[] = p.info.authority.split(";"); 4573 for (int j = 0; j < names.length; j++) { 4574 if (mProvidersByAuthority.containsKey(names[j])) { 4575 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 4576 Slog.w(TAG, "Can't install because provider name " + names[j] + 4577 " (in package " + pkg.applicationInfo.packageName + 4578 ") is already used by " 4579 + ((other != null && other.getComponentName() != null) 4580 ? other.getComponentName().getPackageName() : "?")); 4581 mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 4582 return null; 4583 } 4584 } 4585 } 4586 } 4587 } 4588 4589 if (pkg.mAdoptPermissions != null) { 4590 // This package wants to adopt ownership of permissions from 4591 // another package. 4592 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 4593 final String origName = pkg.mAdoptPermissions.get(i); 4594 final PackageSetting orig = mSettings.peekPackageLPr(origName); 4595 if (orig != null) { 4596 if (verifyPackageUpdateLPr(orig, pkg)) { 4597 Slog.i(TAG, "Adopting permissions from " + origName + " to " 4598 + pkg.packageName); 4599 mSettings.transferPermissionsLPw(origName, pkg.packageName); 4600 } 4601 } 4602 } 4603 } 4604 } 4605 4606 final String pkgName = pkg.packageName; 4607 4608 final long scanFileTime = scanFile.lastModified(); 4609 final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; 4610 pkg.applicationInfo.processName = fixProcessName( 4611 pkg.applicationInfo.packageName, 4612 pkg.applicationInfo.processName, 4613 pkg.applicationInfo.uid); 4614 4615 File dataPath; 4616 if (mPlatformPackage == pkg) { 4617 // The system package is special. 4618 dataPath = new File (Environment.getDataDirectory(), "system"); 4619 pkg.applicationInfo.dataDir = dataPath.getPath(); 4620 } else { 4621 // This is a normal package, need to make its data directory. 4622 dataPath = getDataPathForPackage(pkg.packageName, 0); 4623 4624 boolean uidError = false; 4625 4626 if (dataPath.exists()) { 4627 int currentUid = 0; 4628 try { 4629 StructStat stat = Libcore.os.stat(dataPath.getPath()); 4630 currentUid = stat.st_uid; 4631 } catch (ErrnoException e) { 4632 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 4633 } 4634 4635 // If we have mismatched owners for the data path, we have a problem. 4636 if (currentUid != pkg.applicationInfo.uid) { 4637 boolean recovered = false; 4638 if (currentUid == 0) { 4639 // The directory somehow became owned by root. Wow. 4640 // This is probably because the system was stopped while 4641 // installd was in the middle of messing with its libs 4642 // directory. Ask installd to fix that. 4643 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 4644 pkg.applicationInfo.uid); 4645 if (ret >= 0) { 4646 recovered = true; 4647 String msg = "Package " + pkg.packageName 4648 + " unexpectedly changed to uid 0; recovered to " + 4649 + pkg.applicationInfo.uid; 4650 reportSettingsProblem(Log.WARN, msg); 4651 } 4652 } 4653 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4654 || (scanMode&SCAN_BOOTING) != 0)) { 4655 // If this is a system app, we can at least delete its 4656 // current data so the application will still work. 4657 int ret = removeDataDirsLI(pkgName); 4658 if (ret >= 0) { 4659 // TODO: Kill the processes first 4660 // Old data gone! 4661 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 4662 ? "System package " : "Third party package "; 4663 String msg = prefix + pkg.packageName 4664 + " has changed from uid: " 4665 + currentUid + " to " 4666 + pkg.applicationInfo.uid + "; old data erased"; 4667 reportSettingsProblem(Log.WARN, msg); 4668 recovered = true; 4669 4670 // And now re-install the app. 4671 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4672 pkg.applicationInfo.seinfo); 4673 if (ret == -1) { 4674 // Ack should not happen! 4675 msg = prefix + pkg.packageName 4676 + " could not have data directory re-created after delete."; 4677 reportSettingsProblem(Log.WARN, msg); 4678 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4679 return null; 4680 } 4681 } 4682 if (!recovered) { 4683 mHasSystemUidErrors = true; 4684 } 4685 } else if (!recovered) { 4686 // If we allow this install to proceed, we will be broken. 4687 // Abort, abort! 4688 mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED; 4689 return null; 4690 } 4691 if (!recovered) { 4692 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 4693 + pkg.applicationInfo.uid + "/fs_" 4694 + currentUid; 4695 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 4696 String msg = "Package " + pkg.packageName 4697 + " has mismatched uid: " 4698 + currentUid + " on disk, " 4699 + pkg.applicationInfo.uid + " in settings"; 4700 // writer 4701 synchronized (mPackages) { 4702 mSettings.mReadMessages.append(msg); 4703 mSettings.mReadMessages.append('\n'); 4704 uidError = true; 4705 if (!pkgSetting.uidError) { 4706 reportSettingsProblem(Log.ERROR, msg); 4707 } 4708 } 4709 } 4710 } 4711 pkg.applicationInfo.dataDir = dataPath.getPath(); 4712 } else { 4713 if (DEBUG_PACKAGE_SCANNING) { 4714 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 4715 Log.v(TAG, "Want this data dir: " + dataPath); 4716 } 4717 //invoke installer to do the actual installation 4718 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 4719 pkg.applicationInfo.seinfo); 4720 if (ret < 0) { 4721 // Error from installer 4722 mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 4723 return null; 4724 } 4725 4726 if (dataPath.exists()) { 4727 pkg.applicationInfo.dataDir = dataPath.getPath(); 4728 } else { 4729 Slog.w(TAG, "Unable to create data directory: " + dataPath); 4730 pkg.applicationInfo.dataDir = null; 4731 } 4732 } 4733 4734 /* 4735 * Set the data dir to the default "/data/data/<package name>/lib" 4736 * if we got here without anyone telling us different (e.g., apps 4737 * stored on SD card have their native libraries stored in the ASEC 4738 * container with the APK). 4739 * 4740 * This happens during an upgrade from a package settings file that 4741 * doesn't have a native library path attribute at all. 4742 */ 4743 if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { 4744 if (pkgSetting.nativeLibraryPathString == null) { 4745 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4746 } else { 4747 pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; 4748 } 4749 } 4750 4751 pkgSetting.uidError = uidError; 4752 } 4753 4754 String path = scanFile.getPath(); 4755 /* Note: We don't want to unpack the native binaries for 4756 * system applications, unless they have been updated 4757 * (the binaries are already under /system/lib). 4758 * Also, don't unpack libs for apps on the external card 4759 * since they should have their libraries in the ASEC 4760 * container already. 4761 * 4762 * In other words, we're going to unpack the binaries 4763 * only for non-system apps and system app upgrades. 4764 */ 4765 if (pkg.applicationInfo.nativeLibraryDir != null) { 4766 try { 4767 File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4768 final String dataPathString = dataPath.getCanonicalPath(); 4769 4770 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4771 /* 4772 * Upgrading from a previous version of the OS sometimes 4773 * leaves native libraries in the /data/data/<app>/lib 4774 * directory for system apps even when they shouldn't be. 4775 * Recent changes in the JNI library search path 4776 * necessitates we remove those to match previous behavior. 4777 */ 4778 if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { 4779 Log.i(TAG, "removed obsolete native libraries for system package " 4780 + path); 4781 } 4782 } else { 4783 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 4784 /* 4785 * Update native library dir if it starts with 4786 * /data/data 4787 */ 4788 if (nativeLibraryDir.getPath().startsWith(dataPathString)) { 4789 setInternalAppNativeLibraryPath(pkg, pkgSetting); 4790 nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); 4791 } 4792 4793 try { 4794 if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) { 4795 Slog.e(TAG, "Unable to copy native libraries"); 4796 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4797 return null; 4798 } 4799 } catch (IOException e) { 4800 Slog.e(TAG, "Unable to copy native libraries", e); 4801 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4802 return null; 4803 } 4804 } 4805 4806 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 4807 final int[] userIds = sUserManager.getUserIds(); 4808 synchronized (mInstallLock) { 4809 for (int userId : userIds) { 4810 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 4811 pkg.applicationInfo.nativeLibraryDir, userId) < 0) { 4812 Slog.w(TAG, "Failed linking native library dir (user=" + userId 4813 + ")"); 4814 mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 4815 return null; 4816 } 4817 } 4818 } 4819 } 4820 } catch (IOException ioe) { 4821 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 4822 } 4823 } 4824 pkg.mScanPath = path; 4825 4826 if ((scanMode&SCAN_NO_DEX) == 0) { 4827 if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4828 == DEX_OPT_FAILED) { 4829 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4830 removeDataDirsLI(pkg.packageName); 4831 } 4832 4833 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4834 return null; 4835 } 4836 } 4837 4838 if (mFactoryTest && pkg.requestedPermissions.contains( 4839 android.Manifest.permission.FACTORY_TEST)) { 4840 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 4841 } 4842 4843 ArrayList<PackageParser.Package> clientLibPkgs = null; 4844 4845 // writer 4846 synchronized (mPackages) { 4847 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 4848 // Only system apps can add new shared libraries. 4849 if (pkg.libraryNames != null) { 4850 for (int i=0; i<pkg.libraryNames.size(); i++) { 4851 String name = pkg.libraryNames.get(i); 4852 boolean allowed = false; 4853 if (isUpdatedSystemApp(pkg)) { 4854 // New library entries can only be added through the 4855 // system image. This is important to get rid of a lot 4856 // of nasty edge cases: for example if we allowed a non- 4857 // system update of the app to add a library, then uninstalling 4858 // the update would make the library go away, and assumptions 4859 // we made such as through app install filtering would now 4860 // have allowed apps on the device which aren't compatible 4861 // with it. Better to just have the restriction here, be 4862 // conservative, and create many fewer cases that can negatively 4863 // impact the user experience. 4864 final PackageSetting sysPs = mSettings 4865 .getDisabledSystemPkgLPr(pkg.packageName); 4866 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 4867 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 4868 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 4869 allowed = true; 4870 allowed = true; 4871 break; 4872 } 4873 } 4874 } 4875 } else { 4876 allowed = true; 4877 } 4878 if (allowed) { 4879 if (!mSharedLibraries.containsKey(name)) { 4880 mSharedLibraries.put(name, new SharedLibraryEntry(null, 4881 pkg.packageName)); 4882 } else if (!name.equals(pkg.packageName)) { 4883 Slog.w(TAG, "Package " + pkg.packageName + " library " 4884 + name + " already exists; skipping"); 4885 } 4886 } else { 4887 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 4888 + name + " that is not declared on system image; skipping"); 4889 } 4890 } 4891 if ((scanMode&SCAN_BOOTING) == 0) { 4892 // If we are not booting, we need to update any applications 4893 // that are clients of our shared library. If we are booting, 4894 // this will all be done once the scan is complete. 4895 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 4896 } 4897 } 4898 } 4899 } 4900 4901 // We also need to dexopt any apps that are dependent on this library. Note that 4902 // if these fail, we should abort the install since installing the library will 4903 // result in some apps being broken. 4904 if (clientLibPkgs != null) { 4905 if ((scanMode&SCAN_NO_DEX) == 0) { 4906 for (int i=0; i<clientLibPkgs.size(); i++) { 4907 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4908 if (performDexOptLI(clientPkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0, false) 4909 == DEX_OPT_FAILED) { 4910 if ((scanMode & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 4911 removeDataDirsLI(pkg.packageName); 4912 } 4913 4914 mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; 4915 return null; 4916 } 4917 } 4918 } 4919 } 4920 4921 // Request the ActivityManager to kill the process(only for existing packages) 4922 // so that we do not end up in a confused state while the user is still using the older 4923 // version of the application while the new one gets installed. 4924 if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 4925 // If the package lives in an asec, tell everyone that the container is going 4926 // away so they can clean up any references to its resources (which would prevent 4927 // vold from being able to unmount the asec) 4928 if (isForwardLocked(pkg) || isExternal(pkg)) { 4929 if (DEBUG_INSTALL) { 4930 Slog.i(TAG, "upgrading pkg " + pkg + " is ASEC-hosted -> UNAVAILABLE"); 4931 } 4932 final int[] uidArray = new int[] { pkg.applicationInfo.uid }; 4933 final ArrayList<String> pkgList = new ArrayList<String>(1); 4934 pkgList.add(pkg.applicationInfo.packageName); 4935 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 4936 } 4937 4938 // Post the request that it be killed now that the going-away broadcast is en route 4939 killApplication(pkg.applicationInfo.packageName, 4940 pkg.applicationInfo.uid, "update pkg"); 4941 } 4942 4943 // Also need to kill any apps that are dependent on the library. 4944 if (clientLibPkgs != null) { 4945 for (int i=0; i<clientLibPkgs.size(); i++) { 4946 PackageParser.Package clientPkg = clientLibPkgs.get(i); 4947 killApplication(clientPkg.applicationInfo.packageName, 4948 clientPkg.applicationInfo.uid, "update lib"); 4949 } 4950 } 4951 4952 // writer 4953 synchronized (mPackages) { 4954 // We don't expect installation to fail beyond this point, 4955 if ((scanMode&SCAN_MONITOR) != 0) { 4956 mAppDirs.put(pkg.mPath, pkg); 4957 } 4958 // Add the new setting to mSettings 4959 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 4960 // Add the new setting to mPackages 4961 mPackages.put(pkg.applicationInfo.packageName, pkg); 4962 // Make sure we don't accidentally delete its data. 4963 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 4964 while (iter.hasNext()) { 4965 PackageCleanItem item = iter.next(); 4966 if (pkgName.equals(item.packageName)) { 4967 iter.remove(); 4968 } 4969 } 4970 4971 // Take care of first install / last update times. 4972 if (currentTime != 0) { 4973 if (pkgSetting.firstInstallTime == 0) { 4974 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 4975 } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { 4976 pkgSetting.lastUpdateTime = currentTime; 4977 } 4978 } else if (pkgSetting.firstInstallTime == 0) { 4979 // We need *something*. Take time time stamp of the file. 4980 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 4981 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 4982 if (scanFileTime != pkgSetting.timeStamp) { 4983 // A package on the system image has changed; consider this 4984 // to be an update. 4985 pkgSetting.lastUpdateTime = scanFileTime; 4986 } 4987 } 4988 4989 // Add the package's KeySets to the global KeySetManager 4990 KeySetManager ksm = mSettings.mKeySetManager; 4991 try { 4992 ksm.addSigningKeySetToPackage(pkg.packageName, pkg.mSigningKeys); 4993 if (pkg.mKeySetMapping != null) { 4994 for (Map.Entry<String, Set<PublicKey>> entry : pkg.mKeySetMapping.entrySet()) { 4995 if (entry.getValue() != null) { 4996 ksm.addDefinedKeySetToPackage(pkg.packageName, 4997 entry.getValue(), entry.getKey()); 4998 } 4999 } 5000 } 5001 } catch (NullPointerException e) { 5002 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5003 } catch (IllegalArgumentException e) { 5004 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5005 } 5006 5007 int N = pkg.providers.size(); 5008 StringBuilder r = null; 5009 int i; 5010 for (i=0; i<N; i++) { 5011 PackageParser.Provider p = pkg.providers.get(i); 5012 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5013 p.info.processName, pkg.applicationInfo.uid); 5014 mProviders.addProvider(p); 5015 p.syncable = p.info.isSyncable; 5016 if (p.info.authority != null) { 5017 String names[] = p.info.authority.split(";"); 5018 p.info.authority = null; 5019 for (int j = 0; j < names.length; j++) { 5020 if (j == 1 && p.syncable) { 5021 // We only want the first authority for a provider to possibly be 5022 // syncable, so if we already added this provider using a different 5023 // authority clear the syncable flag. We copy the provider before 5024 // changing it because the mProviders object contains a reference 5025 // to a provider that we don't want to change. 5026 // Only do this for the second authority since the resulting provider 5027 // object can be the same for all future authorities for this provider. 5028 p = new PackageParser.Provider(p); 5029 p.syncable = false; 5030 } 5031 if (!mProvidersByAuthority.containsKey(names[j])) { 5032 mProvidersByAuthority.put(names[j], p); 5033 if (p.info.authority == null) { 5034 p.info.authority = names[j]; 5035 } else { 5036 p.info.authority = p.info.authority + ";" + names[j]; 5037 } 5038 if (DEBUG_PACKAGE_SCANNING) { 5039 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5040 Log.d(TAG, "Registered content provider: " + names[j] 5041 + ", className = " + p.info.name + ", isSyncable = " 5042 + p.info.isSyncable); 5043 } 5044 } else { 5045 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5046 Slog.w(TAG, "Skipping provider name " + names[j] + 5047 " (in package " + pkg.applicationInfo.packageName + 5048 "): name already used by " 5049 + ((other != null && other.getComponentName() != null) 5050 ? other.getComponentName().getPackageName() : "?")); 5051 } 5052 } 5053 } 5054 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5055 if (r == null) { 5056 r = new StringBuilder(256); 5057 } else { 5058 r.append(' '); 5059 } 5060 r.append(p.info.name); 5061 } 5062 } 5063 if (r != null) { 5064 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 5065 } 5066 5067 N = pkg.services.size(); 5068 r = null; 5069 for (i=0; i<N; i++) { 5070 PackageParser.Service s = pkg.services.get(i); 5071 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 5072 s.info.processName, pkg.applicationInfo.uid); 5073 mServices.addService(s); 5074 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5075 if (r == null) { 5076 r = new StringBuilder(256); 5077 } else { 5078 r.append(' '); 5079 } 5080 r.append(s.info.name); 5081 } 5082 } 5083 if (r != null) { 5084 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 5085 } 5086 5087 N = pkg.receivers.size(); 5088 r = null; 5089 for (i=0; i<N; i++) { 5090 PackageParser.Activity a = pkg.receivers.get(i); 5091 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5092 a.info.processName, pkg.applicationInfo.uid); 5093 mReceivers.addActivity(a, "receiver"); 5094 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5095 if (r == null) { 5096 r = new StringBuilder(256); 5097 } else { 5098 r.append(' '); 5099 } 5100 r.append(a.info.name); 5101 } 5102 } 5103 if (r != null) { 5104 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 5105 } 5106 5107 N = pkg.activities.size(); 5108 r = null; 5109 for (i=0; i<N; i++) { 5110 PackageParser.Activity a = pkg.activities.get(i); 5111 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 5112 a.info.processName, pkg.applicationInfo.uid); 5113 mActivities.addActivity(a, "activity"); 5114 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5115 if (r == null) { 5116 r = new StringBuilder(256); 5117 } else { 5118 r.append(' '); 5119 } 5120 r.append(a.info.name); 5121 } 5122 } 5123 if (r != null) { 5124 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 5125 } 5126 5127 N = pkg.permissionGroups.size(); 5128 r = null; 5129 for (i=0; i<N; i++) { 5130 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 5131 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 5132 if (cur == null) { 5133 mPermissionGroups.put(pg.info.name, pg); 5134 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5135 if (r == null) { 5136 r = new StringBuilder(256); 5137 } else { 5138 r.append(' '); 5139 } 5140 r.append(pg.info.name); 5141 } 5142 } else { 5143 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 5144 + pg.info.packageName + " ignored: original from " 5145 + cur.info.packageName); 5146 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5147 if (r == null) { 5148 r = new StringBuilder(256); 5149 } else { 5150 r.append(' '); 5151 } 5152 r.append("DUP:"); 5153 r.append(pg.info.name); 5154 } 5155 } 5156 } 5157 if (r != null) { 5158 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 5159 } 5160 5161 N = pkg.permissions.size(); 5162 r = null; 5163 for (i=0; i<N; i++) { 5164 PackageParser.Permission p = pkg.permissions.get(i); 5165 HashMap<String, BasePermission> permissionMap = 5166 p.tree ? mSettings.mPermissionTrees 5167 : mSettings.mPermissions; 5168 p.group = mPermissionGroups.get(p.info.group); 5169 if (p.info.group == null || p.group != null) { 5170 BasePermission bp = permissionMap.get(p.info.name); 5171 if (bp == null) { 5172 bp = new BasePermission(p.info.name, p.info.packageName, 5173 BasePermission.TYPE_NORMAL); 5174 permissionMap.put(p.info.name, bp); 5175 } 5176 if (bp.perm == null) { 5177 if (bp.sourcePackage != null 5178 && !bp.sourcePackage.equals(p.info.packageName)) { 5179 // If this is a permission that was formerly defined by a non-system 5180 // app, but is now defined by a system app (following an upgrade), 5181 // discard the previous declaration and consider the system's to be 5182 // canonical. 5183 if (isSystemApp(p.owner)) { 5184 String msg = "New decl " + p.owner + " of permission " 5185 + p.info.name + " is system"; 5186 reportSettingsProblem(Log.WARN, msg); 5187 bp.sourcePackage = null; 5188 } 5189 } 5190 if (bp.sourcePackage == null 5191 || bp.sourcePackage.equals(p.info.packageName)) { 5192 BasePermission tree = findPermissionTreeLP(p.info.name); 5193 if (tree == null 5194 || tree.sourcePackage.equals(p.info.packageName)) { 5195 bp.packageSetting = pkgSetting; 5196 bp.perm = p; 5197 bp.uid = pkg.applicationInfo.uid; 5198 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5199 if (r == null) { 5200 r = new StringBuilder(256); 5201 } else { 5202 r.append(' '); 5203 } 5204 r.append(p.info.name); 5205 } 5206 } else { 5207 Slog.w(TAG, "Permission " + p.info.name + " from package " 5208 + p.info.packageName + " ignored: base tree " 5209 + tree.name + " is from package " 5210 + tree.sourcePackage); 5211 } 5212 } else { 5213 Slog.w(TAG, "Permission " + p.info.name + " from package " 5214 + p.info.packageName + " ignored: original from " 5215 + bp.sourcePackage); 5216 } 5217 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5218 if (r == null) { 5219 r = new StringBuilder(256); 5220 } else { 5221 r.append(' '); 5222 } 5223 r.append("DUP:"); 5224 r.append(p.info.name); 5225 } 5226 if (bp.perm == p) { 5227 bp.protectionLevel = p.info.protectionLevel; 5228 } 5229 } else { 5230 Slog.w(TAG, "Permission " + p.info.name + " from package " 5231 + p.info.packageName + " ignored: no group " 5232 + p.group); 5233 } 5234 } 5235 if (r != null) { 5236 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 5237 } 5238 5239 N = pkg.instrumentation.size(); 5240 r = null; 5241 for (i=0; i<N; i++) { 5242 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5243 a.info.packageName = pkg.applicationInfo.packageName; 5244 a.info.sourceDir = pkg.applicationInfo.sourceDir; 5245 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 5246 a.info.dataDir = pkg.applicationInfo.dataDir; 5247 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 5248 mInstrumentation.put(a.getComponentName(), a); 5249 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 5250 if (r == null) { 5251 r = new StringBuilder(256); 5252 } else { 5253 r.append(' '); 5254 } 5255 r.append(a.info.name); 5256 } 5257 } 5258 if (r != null) { 5259 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 5260 } 5261 5262 if (pkg.protectedBroadcasts != null) { 5263 N = pkg.protectedBroadcasts.size(); 5264 for (i=0; i<N; i++) { 5265 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 5266 } 5267 } 5268 5269 pkgSetting.setTimeStamp(scanFileTime); 5270 5271 // Create idmap files for pairs of (packages, overlay packages). 5272 // Note: "android", ie framework-res.apk, is handled by native layers. 5273 if (pkg.mOverlayTarget != null) { 5274 // This is an overlay package. 5275 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 5276 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 5277 mOverlays.put(pkg.mOverlayTarget, 5278 new HashMap<String, PackageParser.Package>()); 5279 } 5280 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 5281 map.put(pkg.packageName, pkg); 5282 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 5283 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 5284 mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 5285 return null; 5286 } 5287 } 5288 } else if (mOverlays.containsKey(pkg.packageName) && 5289 !pkg.packageName.equals("android")) { 5290 // This is a regular package, with one or more known overlay packages. 5291 createIdmapsForPackageLI(pkg); 5292 } 5293 } 5294 5295 return pkg; 5296 } 5297 5298 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 5299 synchronized (mPackages) { 5300 mResolverReplaced = true; 5301 // Set up information for custom user intent resolution activity. 5302 mResolveActivity.applicationInfo = pkg.applicationInfo; 5303 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 5304 mResolveActivity.packageName = pkg.applicationInfo.packageName; 5305 mResolveActivity.processName = null; 5306 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5307 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 5308 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 5309 mResolveActivity.theme = 0; 5310 mResolveActivity.exported = true; 5311 mResolveActivity.enabled = true; 5312 mResolveInfo.activityInfo = mResolveActivity; 5313 mResolveInfo.priority = 0; 5314 mResolveInfo.preferredOrder = 0; 5315 mResolveInfo.match = 0; 5316 mResolveComponentName = mCustomResolverComponentName; 5317 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 5318 mResolveComponentName); 5319 } 5320 } 5321 5322 private void setInternalAppNativeLibraryPath(PackageParser.Package pkg, 5323 PackageSetting pkgSetting) { 5324 final String apkLibPath = getApkName(pkgSetting.codePathString); 5325 final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath(); 5326 pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; 5327 pkgSetting.nativeLibraryPathString = nativeLibraryPath; 5328 } 5329 5330 private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir) 5331 throws IOException { 5332 if (!nativeLibraryDir.isDirectory()) { 5333 nativeLibraryDir.delete(); 5334 5335 if (!nativeLibraryDir.mkdir()) { 5336 throw new IOException("Cannot create " + nativeLibraryDir.getPath()); 5337 } 5338 5339 try { 5340 Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH 5341 | S_IXOTH); 5342 } catch (ErrnoException e) { 5343 throw new IOException("Cannot chmod native library directory " 5344 + nativeLibraryDir.getPath(), e); 5345 } 5346 } else if (!SELinux.restorecon(nativeLibraryDir)) { 5347 throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath()); 5348 } 5349 5350 /* 5351 * If this is an internal application or our nativeLibraryPath points to 5352 * the app-lib directory, unpack the libraries if necessary. 5353 */ 5354 return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); 5355 } 5356 5357 private void killApplication(String pkgName, int appId, String reason) { 5358 // Request the ActivityManager to kill the process(only for existing packages) 5359 // so that we do not end up in a confused state while the user is still using the older 5360 // version of the application while the new one gets installed. 5361 IActivityManager am = ActivityManagerNative.getDefault(); 5362 if (am != null) { 5363 try { 5364 am.killApplicationWithAppId(pkgName, appId, reason); 5365 } catch (RemoteException e) { 5366 } 5367 } 5368 } 5369 5370 void removePackageLI(PackageSetting ps, boolean chatty) { 5371 if (DEBUG_INSTALL) { 5372 if (chatty) 5373 Log.d(TAG, "Removing package " + ps.name); 5374 } 5375 5376 // writer 5377 synchronized (mPackages) { 5378 mPackages.remove(ps.name); 5379 if (ps.codePathString != null) { 5380 mAppDirs.remove(ps.codePathString); 5381 } 5382 5383 final PackageParser.Package pkg = ps.pkg; 5384 if (pkg != null) { 5385 cleanPackageDataStructuresLILPw(pkg, chatty); 5386 } 5387 } 5388 } 5389 5390 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 5391 if (DEBUG_INSTALL) { 5392 if (chatty) 5393 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 5394 } 5395 5396 // writer 5397 synchronized (mPackages) { 5398 mPackages.remove(pkg.applicationInfo.packageName); 5399 if (pkg.mPath != null) { 5400 mAppDirs.remove(pkg.mPath); 5401 } 5402 cleanPackageDataStructuresLILPw(pkg, chatty); 5403 } 5404 } 5405 5406 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 5407 int N = pkg.providers.size(); 5408 StringBuilder r = null; 5409 int i; 5410 for (i=0; i<N; i++) { 5411 PackageParser.Provider p = pkg.providers.get(i); 5412 mProviders.removeProvider(p); 5413 if (p.info.authority == null) { 5414 5415 /* There was another ContentProvider with this authority when 5416 * this app was installed so this authority is null, 5417 * Ignore it as we don't have to unregister the provider. 5418 */ 5419 continue; 5420 } 5421 String names[] = p.info.authority.split(";"); 5422 for (int j = 0; j < names.length; j++) { 5423 if (mProvidersByAuthority.get(names[j]) == p) { 5424 mProvidersByAuthority.remove(names[j]); 5425 if (DEBUG_REMOVE) { 5426 if (chatty) 5427 Log.d(TAG, "Unregistered content provider: " + names[j] 5428 + ", className = " + p.info.name + ", isSyncable = " 5429 + p.info.isSyncable); 5430 } 5431 } 5432 } 5433 if (DEBUG_REMOVE && chatty) { 5434 if (r == null) { 5435 r = new StringBuilder(256); 5436 } else { 5437 r.append(' '); 5438 } 5439 r.append(p.info.name); 5440 } 5441 } 5442 if (r != null) { 5443 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 5444 } 5445 5446 N = pkg.services.size(); 5447 r = null; 5448 for (i=0; i<N; i++) { 5449 PackageParser.Service s = pkg.services.get(i); 5450 mServices.removeService(s); 5451 if (chatty) { 5452 if (r == null) { 5453 r = new StringBuilder(256); 5454 } else { 5455 r.append(' '); 5456 } 5457 r.append(s.info.name); 5458 } 5459 } 5460 if (r != null) { 5461 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 5462 } 5463 5464 N = pkg.receivers.size(); 5465 r = null; 5466 for (i=0; i<N; i++) { 5467 PackageParser.Activity a = pkg.receivers.get(i); 5468 mReceivers.removeActivity(a, "receiver"); 5469 if (DEBUG_REMOVE && chatty) { 5470 if (r == null) { 5471 r = new StringBuilder(256); 5472 } else { 5473 r.append(' '); 5474 } 5475 r.append(a.info.name); 5476 } 5477 } 5478 if (r != null) { 5479 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 5480 } 5481 5482 N = pkg.activities.size(); 5483 r = null; 5484 for (i=0; i<N; i++) { 5485 PackageParser.Activity a = pkg.activities.get(i); 5486 mActivities.removeActivity(a, "activity"); 5487 if (DEBUG_REMOVE && chatty) { 5488 if (r == null) { 5489 r = new StringBuilder(256); 5490 } else { 5491 r.append(' '); 5492 } 5493 r.append(a.info.name); 5494 } 5495 } 5496 if (r != null) { 5497 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 5498 } 5499 5500 N = pkg.permissions.size(); 5501 r = null; 5502 for (i=0; i<N; i++) { 5503 PackageParser.Permission p = pkg.permissions.get(i); 5504 BasePermission bp = mSettings.mPermissions.get(p.info.name); 5505 if (bp == null) { 5506 bp = mSettings.mPermissionTrees.get(p.info.name); 5507 } 5508 if (bp != null && bp.perm == p) { 5509 bp.perm = null; 5510 if (DEBUG_REMOVE && chatty) { 5511 if (r == null) { 5512 r = new StringBuilder(256); 5513 } else { 5514 r.append(' '); 5515 } 5516 r.append(p.info.name); 5517 } 5518 } 5519 } 5520 if (r != null) { 5521 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 5522 } 5523 5524 N = pkg.instrumentation.size(); 5525 r = null; 5526 for (i=0; i<N; i++) { 5527 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 5528 mInstrumentation.remove(a.getComponentName()); 5529 if (DEBUG_REMOVE && chatty) { 5530 if (r == null) { 5531 r = new StringBuilder(256); 5532 } else { 5533 r.append(' '); 5534 } 5535 r.append(a.info.name); 5536 } 5537 } 5538 if (r != null) { 5539 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 5540 } 5541 5542 r = null; 5543 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5544 // Only system apps can hold shared libraries. 5545 if (pkg.libraryNames != null) { 5546 for (i=0; i<pkg.libraryNames.size(); i++) { 5547 String name = pkg.libraryNames.get(i); 5548 SharedLibraryEntry cur = mSharedLibraries.get(name); 5549 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 5550 mSharedLibraries.remove(name); 5551 if (DEBUG_REMOVE && chatty) { 5552 if (r == null) { 5553 r = new StringBuilder(256); 5554 } else { 5555 r.append(' '); 5556 } 5557 r.append(name); 5558 } 5559 } 5560 } 5561 } 5562 } 5563 if (r != null) { 5564 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 5565 } 5566 } 5567 5568 private static final boolean isPackageFilename(String name) { 5569 return name != null && name.endsWith(".apk"); 5570 } 5571 5572 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 5573 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 5574 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 5575 return true; 5576 } 5577 } 5578 return false; 5579 } 5580 5581 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 5582 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 5583 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 5584 5585 private void updatePermissionsLPw(String changingPkg, 5586 PackageParser.Package pkgInfo, int flags) { 5587 // Make sure there are no dangling permission trees. 5588 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 5589 while (it.hasNext()) { 5590 final BasePermission bp = it.next(); 5591 if (bp.packageSetting == null) { 5592 // We may not yet have parsed the package, so just see if 5593 // we still know about its settings. 5594 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5595 } 5596 if (bp.packageSetting == null) { 5597 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 5598 + " from package " + bp.sourcePackage); 5599 it.remove(); 5600 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5601 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5602 Slog.i(TAG, "Removing old permission tree: " + bp.name 5603 + " from package " + bp.sourcePackage); 5604 flags |= UPDATE_PERMISSIONS_ALL; 5605 it.remove(); 5606 } 5607 } 5608 } 5609 5610 // Make sure all dynamic permissions have been assigned to a package, 5611 // and make sure there are no dangling permissions. 5612 it = mSettings.mPermissions.values().iterator(); 5613 while (it.hasNext()) { 5614 final BasePermission bp = it.next(); 5615 if (bp.type == BasePermission.TYPE_DYNAMIC) { 5616 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 5617 + bp.name + " pkg=" + bp.sourcePackage 5618 + " info=" + bp.pendingInfo); 5619 if (bp.packageSetting == null && bp.pendingInfo != null) { 5620 final BasePermission tree = findPermissionTreeLP(bp.name); 5621 if (tree != null && tree.perm != null) { 5622 bp.packageSetting = tree.packageSetting; 5623 bp.perm = new PackageParser.Permission(tree.perm.owner, 5624 new PermissionInfo(bp.pendingInfo)); 5625 bp.perm.info.packageName = tree.perm.info.packageName; 5626 bp.perm.info.name = bp.name; 5627 bp.uid = tree.uid; 5628 } 5629 } 5630 } 5631 if (bp.packageSetting == null) { 5632 // We may not yet have parsed the package, so just see if 5633 // we still know about its settings. 5634 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 5635 } 5636 if (bp.packageSetting == null) { 5637 Slog.w(TAG, "Removing dangling permission: " + bp.name 5638 + " from package " + bp.sourcePackage); 5639 it.remove(); 5640 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 5641 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 5642 Slog.i(TAG, "Removing old permission: " + bp.name 5643 + " from package " + bp.sourcePackage); 5644 flags |= UPDATE_PERMISSIONS_ALL; 5645 it.remove(); 5646 } 5647 } 5648 } 5649 5650 // Now update the permissions for all packages, in particular 5651 // replace the granted permissions of the system packages. 5652 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 5653 for (PackageParser.Package pkg : mPackages.values()) { 5654 if (pkg != pkgInfo) { 5655 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0); 5656 } 5657 } 5658 } 5659 5660 if (pkgInfo != null) { 5661 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0); 5662 } 5663 } 5664 5665 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { 5666 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5667 if (ps == null) { 5668 return; 5669 } 5670 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 5671 HashSet<String> origPermissions = gp.grantedPermissions; 5672 boolean changedPermission = false; 5673 5674 if (replace) { 5675 ps.permissionsFixed = false; 5676 if (gp == ps) { 5677 origPermissions = new HashSet<String>(gp.grantedPermissions); 5678 gp.grantedPermissions.clear(); 5679 gp.gids = mGlobalGids; 5680 } 5681 } 5682 5683 if (gp.gids == null) { 5684 gp.gids = mGlobalGids; 5685 } 5686 5687 final int N = pkg.requestedPermissions.size(); 5688 for (int i=0; i<N; i++) { 5689 final String name = pkg.requestedPermissions.get(i); 5690 final boolean required = pkg.requestedPermissionsRequired.get(i); 5691 final BasePermission bp = mSettings.mPermissions.get(name); 5692 if (DEBUG_INSTALL) { 5693 if (gp != ps) { 5694 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 5695 } 5696 } 5697 5698 if (bp == null || bp.packageSetting == null) { 5699 Slog.w(TAG, "Unknown permission " + name 5700 + " in package " + pkg.packageName); 5701 continue; 5702 } 5703 5704 final String perm = bp.name; 5705 boolean allowed; 5706 boolean allowedSig = false; 5707 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 5708 if (level == PermissionInfo.PROTECTION_NORMAL 5709 || level == PermissionInfo.PROTECTION_DANGEROUS) { 5710 // We grant a normal or dangerous permission if any of the following 5711 // are true: 5712 // 1) The permission is required 5713 // 2) The permission is optional, but was granted in the past 5714 // 3) The permission is optional, but was requested by an 5715 // app in /system (not /data) 5716 // 5717 // Otherwise, reject the permission. 5718 allowed = (required || origPermissions.contains(perm) 5719 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 5720 } else if (bp.packageSetting == null) { 5721 // This permission is invalid; skip it. 5722 allowed = false; 5723 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 5724 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 5725 if (allowed) { 5726 allowedSig = true; 5727 } 5728 } else { 5729 allowed = false; 5730 } 5731 if (DEBUG_INSTALL) { 5732 if (gp != ps) { 5733 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 5734 } 5735 } 5736 if (allowed) { 5737 if (!isSystemApp(ps) && ps.permissionsFixed) { 5738 // If this is an existing, non-system package, then 5739 // we can't add any new permissions to it. 5740 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 5741 // Except... if this is a permission that was added 5742 // to the platform (note: need to only do this when 5743 // updating the platform). 5744 allowed = isNewPlatformPermissionForPackage(perm, pkg); 5745 } 5746 } 5747 if (allowed) { 5748 if (!gp.grantedPermissions.contains(perm)) { 5749 changedPermission = true; 5750 gp.grantedPermissions.add(perm); 5751 gp.gids = appendInts(gp.gids, bp.gids); 5752 } else if (!ps.haveGids) { 5753 gp.gids = appendInts(gp.gids, bp.gids); 5754 } 5755 } else { 5756 Slog.w(TAG, "Not granting permission " + perm 5757 + " to package " + pkg.packageName 5758 + " because it was previously installed without"); 5759 } 5760 } else { 5761 if (gp.grantedPermissions.remove(perm)) { 5762 changedPermission = true; 5763 gp.gids = removeInts(gp.gids, bp.gids); 5764 Slog.i(TAG, "Un-granting permission " + perm 5765 + " from package " + pkg.packageName 5766 + " (protectionLevel=" + bp.protectionLevel 5767 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5768 + ")"); 5769 } else { 5770 Slog.w(TAG, "Not granting permission " + perm 5771 + " to package " + pkg.packageName 5772 + " (protectionLevel=" + bp.protectionLevel 5773 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 5774 + ")"); 5775 } 5776 } 5777 } 5778 5779 if ((changedPermission || replace) && !ps.permissionsFixed && 5780 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 5781 // This is the first that we have heard about this package, so the 5782 // permissions we have now selected are fixed until explicitly 5783 // changed. 5784 ps.permissionsFixed = true; 5785 } 5786 ps.haveGids = true; 5787 } 5788 5789 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 5790 boolean allowed = false; 5791 final int NP = PackageParser.NEW_PERMISSIONS.length; 5792 for (int ip=0; ip<NP; ip++) { 5793 final PackageParser.NewPermissionInfo npi 5794 = PackageParser.NEW_PERMISSIONS[ip]; 5795 if (npi.name.equals(perm) 5796 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 5797 allowed = true; 5798 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 5799 + pkg.packageName); 5800 break; 5801 } 5802 } 5803 return allowed; 5804 } 5805 5806 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 5807 BasePermission bp, HashSet<String> origPermissions) { 5808 boolean allowed; 5809 allowed = (compareSignatures( 5810 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 5811 == PackageManager.SIGNATURE_MATCH) 5812 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 5813 == PackageManager.SIGNATURE_MATCH); 5814 if (!allowed && (bp.protectionLevel 5815 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 5816 if (isSystemApp(pkg)) { 5817 // For updated system applications, a system permission 5818 // is granted only if it had been defined by the original application. 5819 if (isUpdatedSystemApp(pkg)) { 5820 final PackageSetting sysPs = mSettings 5821 .getDisabledSystemPkgLPr(pkg.packageName); 5822 final GrantedPermissions origGp = sysPs.sharedUser != null 5823 ? sysPs.sharedUser : sysPs; 5824 5825 if (origGp.grantedPermissions.contains(perm)) { 5826 // If the original was granted this permission, we take 5827 // that grant decision as read and propagate it to the 5828 // update. 5829 allowed = true; 5830 } else { 5831 // The system apk may have been updated with an older 5832 // version of the one on the data partition, but which 5833 // granted a new system permission that it didn't have 5834 // before. In this case we do want to allow the app to 5835 // now get the new permission if the ancestral apk is 5836 // privileged to get it. 5837 if (sysPs.pkg != null && sysPs.isPrivileged()) { 5838 for (int j=0; 5839 j<sysPs.pkg.requestedPermissions.size(); j++) { 5840 if (perm.equals( 5841 sysPs.pkg.requestedPermissions.get(j))) { 5842 allowed = true; 5843 break; 5844 } 5845 } 5846 } 5847 } 5848 } else { 5849 allowed = isPrivilegedApp(pkg); 5850 } 5851 } 5852 } 5853 if (!allowed && (bp.protectionLevel 5854 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 5855 // For development permissions, a development permission 5856 // is granted only if it was already granted. 5857 allowed = origPermissions.contains(perm); 5858 } 5859 return allowed; 5860 } 5861 5862 final class ActivityIntentResolver 5863 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 5864 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 5865 boolean defaultOnly, int userId) { 5866 if (!sUserManager.exists(userId)) return null; 5867 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 5868 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 5869 } 5870 5871 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 5872 int userId) { 5873 if (!sUserManager.exists(userId)) return null; 5874 mFlags = flags; 5875 return super.queryIntent(intent, resolvedType, 5876 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 5877 } 5878 5879 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 5880 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 5881 if (!sUserManager.exists(userId)) return null; 5882 if (packageActivities == null) { 5883 return null; 5884 } 5885 mFlags = flags; 5886 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 5887 final int N = packageActivities.size(); 5888 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 5889 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 5890 5891 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 5892 for (int i = 0; i < N; ++i) { 5893 intentFilters = packageActivities.get(i).intents; 5894 if (intentFilters != null && intentFilters.size() > 0) { 5895 PackageParser.ActivityIntentInfo[] array = 5896 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 5897 intentFilters.toArray(array); 5898 listCut.add(array); 5899 } 5900 } 5901 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 5902 } 5903 5904 public final void addActivity(PackageParser.Activity a, String type) { 5905 final boolean systemApp = isSystemApp(a.info.applicationInfo); 5906 mActivities.put(a.getComponentName(), a); 5907 if (DEBUG_SHOW_INFO) 5908 Log.v( 5909 TAG, " " + type + " " + 5910 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 5911 if (DEBUG_SHOW_INFO) 5912 Log.v(TAG, " Class=" + a.info.name); 5913 final int NI = a.intents.size(); 5914 for (int j=0; j<NI; j++) { 5915 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5916 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 5917 intent.setPriority(0); 5918 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 5919 + a.className + " with priority > 0, forcing to 0"); 5920 } 5921 if (DEBUG_SHOW_INFO) { 5922 Log.v(TAG, " IntentFilter:"); 5923 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5924 } 5925 if (!intent.debugCheck()) { 5926 Log.w(TAG, "==> For Activity " + a.info.name); 5927 } 5928 addFilter(intent); 5929 } 5930 } 5931 5932 public final void removeActivity(PackageParser.Activity a, String type) { 5933 mActivities.remove(a.getComponentName()); 5934 if (DEBUG_SHOW_INFO) { 5935 Log.v(TAG, " " + type + " " 5936 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 5937 : a.info.name) + ":"); 5938 Log.v(TAG, " Class=" + a.info.name); 5939 } 5940 final int NI = a.intents.size(); 5941 for (int j=0; j<NI; j++) { 5942 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 5943 if (DEBUG_SHOW_INFO) { 5944 Log.v(TAG, " IntentFilter:"); 5945 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 5946 } 5947 removeFilter(intent); 5948 } 5949 } 5950 5951 @Override 5952 protected boolean allowFilterResult( 5953 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 5954 ActivityInfo filterAi = filter.activity.info; 5955 for (int i=dest.size()-1; i>=0; i--) { 5956 ActivityInfo destAi = dest.get(i).activityInfo; 5957 if (destAi.name == filterAi.name 5958 && destAi.packageName == filterAi.packageName) { 5959 return false; 5960 } 5961 } 5962 return true; 5963 } 5964 5965 @Override 5966 protected ActivityIntentInfo[] newArray(int size) { 5967 return new ActivityIntentInfo[size]; 5968 } 5969 5970 @Override 5971 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 5972 if (!sUserManager.exists(userId)) return true; 5973 PackageParser.Package p = filter.activity.owner; 5974 if (p != null) { 5975 PackageSetting ps = (PackageSetting)p.mExtras; 5976 if (ps != null) { 5977 // System apps are never considered stopped for purposes of 5978 // filtering, because there may be no way for the user to 5979 // actually re-launch them. 5980 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 5981 && ps.getStopped(userId); 5982 } 5983 } 5984 return false; 5985 } 5986 5987 @Override 5988 protected boolean isPackageForFilter(String packageName, 5989 PackageParser.ActivityIntentInfo info) { 5990 return packageName.equals(info.activity.owner.packageName); 5991 } 5992 5993 @Override 5994 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 5995 int match, int userId) { 5996 if (!sUserManager.exists(userId)) return null; 5997 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 5998 return null; 5999 } 6000 final PackageParser.Activity activity = info.activity; 6001 if (mSafeMode && (activity.info.applicationInfo.flags 6002 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6003 return null; 6004 } 6005 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 6006 if (ps == null) { 6007 return null; 6008 } 6009 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 6010 ps.readUserState(userId), userId); 6011 if (ai == null) { 6012 return null; 6013 } 6014 final ResolveInfo res = new ResolveInfo(); 6015 res.activityInfo = ai; 6016 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6017 res.filter = info; 6018 } 6019 res.priority = info.getPriority(); 6020 res.preferredOrder = activity.owner.mPreferredOrder; 6021 //System.out.println("Result: " + res.activityInfo.className + 6022 // " = " + res.priority); 6023 res.match = match; 6024 res.isDefault = info.hasDefault; 6025 res.labelRes = info.labelRes; 6026 res.nonLocalizedLabel = info.nonLocalizedLabel; 6027 res.icon = info.icon; 6028 res.system = isSystemApp(res.activityInfo.applicationInfo); 6029 return res; 6030 } 6031 6032 @Override 6033 protected void sortResults(List<ResolveInfo> results) { 6034 Collections.sort(results, mResolvePrioritySorter); 6035 } 6036 6037 @Override 6038 protected void dumpFilter(PrintWriter out, String prefix, 6039 PackageParser.ActivityIntentInfo filter) { 6040 out.print(prefix); out.print( 6041 Integer.toHexString(System.identityHashCode(filter.activity))); 6042 out.print(' '); 6043 filter.activity.printComponentShortName(out); 6044 out.print(" filter "); 6045 out.println(Integer.toHexString(System.identityHashCode(filter))); 6046 } 6047 6048// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6049// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6050// final List<ResolveInfo> retList = Lists.newArrayList(); 6051// while (i.hasNext()) { 6052// final ResolveInfo resolveInfo = i.next(); 6053// if (isEnabledLP(resolveInfo.activityInfo)) { 6054// retList.add(resolveInfo); 6055// } 6056// } 6057// return retList; 6058// } 6059 6060 // Keys are String (activity class name), values are Activity. 6061 private final HashMap<ComponentName, PackageParser.Activity> mActivities 6062 = new HashMap<ComponentName, PackageParser.Activity>(); 6063 private int mFlags; 6064 } 6065 6066 private final class ServiceIntentResolver 6067 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 6068 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6069 boolean defaultOnly, int userId) { 6070 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6071 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6072 } 6073 6074 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6075 int userId) { 6076 if (!sUserManager.exists(userId)) return null; 6077 mFlags = flags; 6078 return super.queryIntent(intent, resolvedType, 6079 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6080 } 6081 6082 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6083 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 6084 if (!sUserManager.exists(userId)) return null; 6085 if (packageServices == null) { 6086 return null; 6087 } 6088 mFlags = flags; 6089 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 6090 final int N = packageServices.size(); 6091 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 6092 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 6093 6094 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 6095 for (int i = 0; i < N; ++i) { 6096 intentFilters = packageServices.get(i).intents; 6097 if (intentFilters != null && intentFilters.size() > 0) { 6098 PackageParser.ServiceIntentInfo[] array = 6099 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 6100 intentFilters.toArray(array); 6101 listCut.add(array); 6102 } 6103 } 6104 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6105 } 6106 6107 public final void addService(PackageParser.Service s) { 6108 mServices.put(s.getComponentName(), s); 6109 if (DEBUG_SHOW_INFO) { 6110 Log.v(TAG, " " 6111 + (s.info.nonLocalizedLabel != null 6112 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6113 Log.v(TAG, " Class=" + s.info.name); 6114 } 6115 final int NI = s.intents.size(); 6116 int j; 6117 for (j=0; j<NI; j++) { 6118 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6119 if (DEBUG_SHOW_INFO) { 6120 Log.v(TAG, " IntentFilter:"); 6121 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6122 } 6123 if (!intent.debugCheck()) { 6124 Log.w(TAG, "==> For Service " + s.info.name); 6125 } 6126 addFilter(intent); 6127 } 6128 } 6129 6130 public final void removeService(PackageParser.Service s) { 6131 mServices.remove(s.getComponentName()); 6132 if (DEBUG_SHOW_INFO) { 6133 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 6134 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 6135 Log.v(TAG, " Class=" + s.info.name); 6136 } 6137 final int NI = s.intents.size(); 6138 int j; 6139 for (j=0; j<NI; j++) { 6140 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 6141 if (DEBUG_SHOW_INFO) { 6142 Log.v(TAG, " IntentFilter:"); 6143 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6144 } 6145 removeFilter(intent); 6146 } 6147 } 6148 6149 @Override 6150 protected boolean allowFilterResult( 6151 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 6152 ServiceInfo filterSi = filter.service.info; 6153 for (int i=dest.size()-1; i>=0; i--) { 6154 ServiceInfo destAi = dest.get(i).serviceInfo; 6155 if (destAi.name == filterSi.name 6156 && destAi.packageName == filterSi.packageName) { 6157 return false; 6158 } 6159 } 6160 return true; 6161 } 6162 6163 @Override 6164 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 6165 return new PackageParser.ServiceIntentInfo[size]; 6166 } 6167 6168 @Override 6169 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 6170 if (!sUserManager.exists(userId)) return true; 6171 PackageParser.Package p = filter.service.owner; 6172 if (p != null) { 6173 PackageSetting ps = (PackageSetting)p.mExtras; 6174 if (ps != null) { 6175 // System apps are never considered stopped for purposes of 6176 // filtering, because there may be no way for the user to 6177 // actually re-launch them. 6178 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6179 && ps.getStopped(userId); 6180 } 6181 } 6182 return false; 6183 } 6184 6185 @Override 6186 protected boolean isPackageForFilter(String packageName, 6187 PackageParser.ServiceIntentInfo info) { 6188 return packageName.equals(info.service.owner.packageName); 6189 } 6190 6191 @Override 6192 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 6193 int match, int userId) { 6194 if (!sUserManager.exists(userId)) return null; 6195 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 6196 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 6197 return null; 6198 } 6199 final PackageParser.Service service = info.service; 6200 if (mSafeMode && (service.info.applicationInfo.flags 6201 &ApplicationInfo.FLAG_SYSTEM) == 0) { 6202 return null; 6203 } 6204 PackageSetting ps = (PackageSetting) service.owner.mExtras; 6205 if (ps == null) { 6206 return null; 6207 } 6208 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 6209 ps.readUserState(userId), userId); 6210 if (si == null) { 6211 return null; 6212 } 6213 final ResolveInfo res = new ResolveInfo(); 6214 res.serviceInfo = si; 6215 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 6216 res.filter = filter; 6217 } 6218 res.priority = info.getPriority(); 6219 res.preferredOrder = service.owner.mPreferredOrder; 6220 //System.out.println("Result: " + res.activityInfo.className + 6221 // " = " + res.priority); 6222 res.match = match; 6223 res.isDefault = info.hasDefault; 6224 res.labelRes = info.labelRes; 6225 res.nonLocalizedLabel = info.nonLocalizedLabel; 6226 res.icon = info.icon; 6227 res.system = isSystemApp(res.serviceInfo.applicationInfo); 6228 return res; 6229 } 6230 6231 @Override 6232 protected void sortResults(List<ResolveInfo> results) { 6233 Collections.sort(results, mResolvePrioritySorter); 6234 } 6235 6236 @Override 6237 protected void dumpFilter(PrintWriter out, String prefix, 6238 PackageParser.ServiceIntentInfo filter) { 6239 out.print(prefix); out.print( 6240 Integer.toHexString(System.identityHashCode(filter.service))); 6241 out.print(' '); 6242 filter.service.printComponentShortName(out); 6243 out.print(" filter "); 6244 out.println(Integer.toHexString(System.identityHashCode(filter))); 6245 } 6246 6247// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 6248// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 6249// final List<ResolveInfo> retList = Lists.newArrayList(); 6250// while (i.hasNext()) { 6251// final ResolveInfo resolveInfo = (ResolveInfo) i; 6252// if (isEnabledLP(resolveInfo.serviceInfo)) { 6253// retList.add(resolveInfo); 6254// } 6255// } 6256// return retList; 6257// } 6258 6259 // Keys are String (activity class name), values are Activity. 6260 private final HashMap<ComponentName, PackageParser.Service> mServices 6261 = new HashMap<ComponentName, PackageParser.Service>(); 6262 private int mFlags; 6263 }; 6264 6265 private final class ProviderIntentResolver 6266 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 6267 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 6268 boolean defaultOnly, int userId) { 6269 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 6270 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 6271 } 6272 6273 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 6274 int userId) { 6275 if (!sUserManager.exists(userId)) 6276 return null; 6277 mFlags = flags; 6278 return super.queryIntent(intent, resolvedType, 6279 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 6280 } 6281 6282 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 6283 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 6284 if (!sUserManager.exists(userId)) 6285 return null; 6286 if (packageProviders == null) { 6287 return null; 6288 } 6289 mFlags = flags; 6290 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 6291 final int N = packageProviders.size(); 6292 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 6293 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 6294 6295 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 6296 for (int i = 0; i < N; ++i) { 6297 intentFilters = packageProviders.get(i).intents; 6298 if (intentFilters != null && intentFilters.size() > 0) { 6299 PackageParser.ProviderIntentInfo[] array = 6300 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 6301 intentFilters.toArray(array); 6302 listCut.add(array); 6303 } 6304 } 6305 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 6306 } 6307 6308 public final void addProvider(PackageParser.Provider p) { 6309 if (mProviders.containsKey(p.getComponentName())) { 6310 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 6311 return; 6312 } 6313 6314 mProviders.put(p.getComponentName(), p); 6315 if (DEBUG_SHOW_INFO) { 6316 Log.v(TAG, " " 6317 + (p.info.nonLocalizedLabel != null 6318 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6319 Log.v(TAG, " Class=" + p.info.name); 6320 } 6321 final int NI = p.intents.size(); 6322 int j; 6323 for (j = 0; j < NI; j++) { 6324 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6325 if (DEBUG_SHOW_INFO) { 6326 Log.v(TAG, " IntentFilter:"); 6327 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6328 } 6329 if (!intent.debugCheck()) { 6330 Log.w(TAG, "==> For Provider " + p.info.name); 6331 } 6332 addFilter(intent); 6333 } 6334 } 6335 6336 public final void removeProvider(PackageParser.Provider p) { 6337 mProviders.remove(p.getComponentName()); 6338 if (DEBUG_SHOW_INFO) { 6339 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 6340 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 6341 Log.v(TAG, " Class=" + p.info.name); 6342 } 6343 final int NI = p.intents.size(); 6344 int j; 6345 for (j = 0; j < NI; j++) { 6346 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 6347 if (DEBUG_SHOW_INFO) { 6348 Log.v(TAG, " IntentFilter:"); 6349 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 6350 } 6351 removeFilter(intent); 6352 } 6353 } 6354 6355 @Override 6356 protected boolean allowFilterResult( 6357 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 6358 ProviderInfo filterPi = filter.provider.info; 6359 for (int i = dest.size() - 1; i >= 0; i--) { 6360 ProviderInfo destPi = dest.get(i).providerInfo; 6361 if (destPi.name == filterPi.name 6362 && destPi.packageName == filterPi.packageName) { 6363 return false; 6364 } 6365 } 6366 return true; 6367 } 6368 6369 @Override 6370 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 6371 return new PackageParser.ProviderIntentInfo[size]; 6372 } 6373 6374 @Override 6375 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 6376 if (!sUserManager.exists(userId)) 6377 return true; 6378 PackageParser.Package p = filter.provider.owner; 6379 if (p != null) { 6380 PackageSetting ps = (PackageSetting) p.mExtras; 6381 if (ps != null) { 6382 // System apps are never considered stopped for purposes of 6383 // filtering, because there may be no way for the user to 6384 // actually re-launch them. 6385 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 6386 && ps.getStopped(userId); 6387 } 6388 } 6389 return false; 6390 } 6391 6392 @Override 6393 protected boolean isPackageForFilter(String packageName, 6394 PackageParser.ProviderIntentInfo info) { 6395 return packageName.equals(info.provider.owner.packageName); 6396 } 6397 6398 @Override 6399 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 6400 int match, int userId) { 6401 if (!sUserManager.exists(userId)) 6402 return null; 6403 final PackageParser.ProviderIntentInfo info = filter; 6404 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 6405 return null; 6406 } 6407 final PackageParser.Provider provider = info.provider; 6408 if (mSafeMode && (provider.info.applicationInfo.flags 6409 & ApplicationInfo.FLAG_SYSTEM) == 0) { 6410 return null; 6411 } 6412 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 6413 if (ps == null) { 6414 return null; 6415 } 6416 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 6417 ps.readUserState(userId), userId); 6418 if (pi == null) { 6419 return null; 6420 } 6421 final ResolveInfo res = new ResolveInfo(); 6422 res.providerInfo = pi; 6423 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 6424 res.filter = filter; 6425 } 6426 res.priority = info.getPriority(); 6427 res.preferredOrder = provider.owner.mPreferredOrder; 6428 res.match = match; 6429 res.isDefault = info.hasDefault; 6430 res.labelRes = info.labelRes; 6431 res.nonLocalizedLabel = info.nonLocalizedLabel; 6432 res.icon = info.icon; 6433 res.system = isSystemApp(res.providerInfo.applicationInfo); 6434 return res; 6435 } 6436 6437 @Override 6438 protected void sortResults(List<ResolveInfo> results) { 6439 Collections.sort(results, mResolvePrioritySorter); 6440 } 6441 6442 @Override 6443 protected void dumpFilter(PrintWriter out, String prefix, 6444 PackageParser.ProviderIntentInfo filter) { 6445 out.print(prefix); 6446 out.print( 6447 Integer.toHexString(System.identityHashCode(filter.provider))); 6448 out.print(' '); 6449 filter.provider.printComponentShortName(out); 6450 out.print(" filter "); 6451 out.println(Integer.toHexString(System.identityHashCode(filter))); 6452 } 6453 6454 private final HashMap<ComponentName, PackageParser.Provider> mProviders 6455 = new HashMap<ComponentName, PackageParser.Provider>(); 6456 private int mFlags; 6457 }; 6458 6459 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 6460 new Comparator<ResolveInfo>() { 6461 public int compare(ResolveInfo r1, ResolveInfo r2) { 6462 int v1 = r1.priority; 6463 int v2 = r2.priority; 6464 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 6465 if (v1 != v2) { 6466 return (v1 > v2) ? -1 : 1; 6467 } 6468 v1 = r1.preferredOrder; 6469 v2 = r2.preferredOrder; 6470 if (v1 != v2) { 6471 return (v1 > v2) ? -1 : 1; 6472 } 6473 if (r1.isDefault != r2.isDefault) { 6474 return r1.isDefault ? -1 : 1; 6475 } 6476 v1 = r1.match; 6477 v2 = r2.match; 6478 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 6479 if (v1 != v2) { 6480 return (v1 > v2) ? -1 : 1; 6481 } 6482 if (r1.system != r2.system) { 6483 return r1.system ? -1 : 1; 6484 } 6485 return 0; 6486 } 6487 }; 6488 6489 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 6490 new Comparator<ProviderInfo>() { 6491 public int compare(ProviderInfo p1, ProviderInfo p2) { 6492 final int v1 = p1.initOrder; 6493 final int v2 = p2.initOrder; 6494 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 6495 } 6496 }; 6497 6498 static final void sendPackageBroadcast(String action, String pkg, 6499 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 6500 int[] userIds) { 6501 IActivityManager am = ActivityManagerNative.getDefault(); 6502 if (am != null) { 6503 try { 6504 if (userIds == null) { 6505 userIds = am.getRunningUserIds(); 6506 } 6507 for (int id : userIds) { 6508 final Intent intent = new Intent(action, 6509 pkg != null ? Uri.fromParts("package", pkg, null) : null); 6510 if (extras != null) { 6511 intent.putExtras(extras); 6512 } 6513 if (targetPkg != null) { 6514 intent.setPackage(targetPkg); 6515 } 6516 // Modify the UID when posting to other users 6517 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 6518 if (uid > 0 && UserHandle.getUserId(uid) != id) { 6519 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 6520 intent.putExtra(Intent.EXTRA_UID, uid); 6521 } 6522 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 6523 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 6524 if (DEBUG_BROADCASTS) { 6525 RuntimeException here = new RuntimeException("here"); 6526 here.fillInStackTrace(); 6527 Slog.d(TAG, "Sending to user " + id + ": " 6528 + intent.toShortString(false, true, false, false) 6529 + " " + intent.getExtras(), here); 6530 } 6531 am.broadcastIntent(null, intent, null, finishedReceiver, 6532 0, null, null, null, android.app.AppOpsManager.OP_NONE, 6533 finishedReceiver != null, false, id); 6534 } 6535 } catch (RemoteException ex) { 6536 } 6537 } 6538 } 6539 6540 /** 6541 * Check if the external storage media is available. This is true if there 6542 * is a mounted external storage medium or if the external storage is 6543 * emulated. 6544 */ 6545 private boolean isExternalMediaAvailable() { 6546 return mMediaMounted || Environment.isExternalStorageEmulated(); 6547 } 6548 6549 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 6550 // writer 6551 synchronized (mPackages) { 6552 if (!isExternalMediaAvailable()) { 6553 // If the external storage is no longer mounted at this point, 6554 // the caller may not have been able to delete all of this 6555 // packages files and can not delete any more. Bail. 6556 return null; 6557 } 6558 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 6559 if (lastPackage != null) { 6560 pkgs.remove(lastPackage); 6561 } 6562 if (pkgs.size() > 0) { 6563 return pkgs.get(0); 6564 } 6565 } 6566 return null; 6567 } 6568 6569 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 6570 if (false) { 6571 RuntimeException here = new RuntimeException("here"); 6572 here.fillInStackTrace(); 6573 Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId 6574 + " andCode=" + andCode, here); 6575 } 6576 mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, 6577 userId, andCode ? 1 : 0, packageName)); 6578 } 6579 6580 void startCleaningPackages() { 6581 // reader 6582 synchronized (mPackages) { 6583 if (!isExternalMediaAvailable()) { 6584 return; 6585 } 6586 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 6587 return; 6588 } 6589 } 6590 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 6591 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 6592 IActivityManager am = ActivityManagerNative.getDefault(); 6593 if (am != null) { 6594 try { 6595 am.startService(null, intent, null, UserHandle.USER_OWNER); 6596 } catch (RemoteException e) { 6597 } 6598 } 6599 } 6600 6601 private final class AppDirObserver extends FileObserver { 6602 public AppDirObserver(String path, int mask, boolean isrom, boolean isPrivileged) { 6603 super(path, mask); 6604 mRootDir = path; 6605 mIsRom = isrom; 6606 mIsPrivileged = isPrivileged; 6607 } 6608 6609 public void onEvent(int event, String path) { 6610 String removedPackage = null; 6611 int removedAppId = -1; 6612 int[] removedUsers = null; 6613 String addedPackage = null; 6614 int addedAppId = -1; 6615 int[] addedUsers = null; 6616 6617 // TODO post a message to the handler to obtain serial ordering 6618 synchronized (mInstallLock) { 6619 String fullPathStr = null; 6620 File fullPath = null; 6621 if (path != null) { 6622 fullPath = new File(mRootDir, path); 6623 fullPathStr = fullPath.getPath(); 6624 } 6625 6626 if (DEBUG_APP_DIR_OBSERVER) 6627 Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); 6628 6629 if (!isPackageFilename(path)) { 6630 if (DEBUG_APP_DIR_OBSERVER) 6631 Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); 6632 return; 6633 } 6634 6635 // Ignore packages that are being installed or 6636 // have just been installed. 6637 if (ignoreCodePath(fullPathStr)) { 6638 return; 6639 } 6640 PackageParser.Package p = null; 6641 PackageSetting ps = null; 6642 // reader 6643 synchronized (mPackages) { 6644 p = mAppDirs.get(fullPathStr); 6645 if (p != null) { 6646 ps = mSettings.mPackages.get(p.applicationInfo.packageName); 6647 if (ps != null) { 6648 removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 6649 } else { 6650 removedUsers = sUserManager.getUserIds(); 6651 } 6652 } 6653 addedUsers = sUserManager.getUserIds(); 6654 } 6655 if ((event&REMOVE_EVENTS) != 0) { 6656 if (ps != null) { 6657 if (DEBUG_REMOVE) Slog.d(TAG, "Package disappeared: " + ps); 6658 removePackageLI(ps, true); 6659 removedPackage = ps.name; 6660 removedAppId = ps.appId; 6661 } 6662 } 6663 6664 if ((event&ADD_EVENTS) != 0) { 6665 if (p == null) { 6666 if (DEBUG_INSTALL) Slog.d(TAG, "New file appeared: " + fullPath); 6667 int flags = PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK; 6668 if (mIsRom) { 6669 flags |= PackageParser.PARSE_IS_SYSTEM 6670 | PackageParser.PARSE_IS_SYSTEM_DIR; 6671 if (mIsPrivileged) { 6672 flags |= PackageParser.PARSE_IS_PRIVILEGED; 6673 } 6674 } 6675 p = scanPackageLI(fullPath, flags, 6676 SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, 6677 System.currentTimeMillis(), UserHandle.ALL); 6678 if (p != null) { 6679 /* 6680 * TODO this seems dangerous as the package may have 6681 * changed since we last acquired the mPackages 6682 * lock. 6683 */ 6684 // writer 6685 synchronized (mPackages) { 6686 updatePermissionsLPw(p.packageName, p, 6687 p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0); 6688 } 6689 addedPackage = p.applicationInfo.packageName; 6690 addedAppId = UserHandle.getAppId(p.applicationInfo.uid); 6691 } 6692 } 6693 } 6694 6695 // reader 6696 synchronized (mPackages) { 6697 mSettings.writeLPr(); 6698 } 6699 } 6700 6701 if (removedPackage != null) { 6702 Bundle extras = new Bundle(1); 6703 extras.putInt(Intent.EXTRA_UID, removedAppId); 6704 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); 6705 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 6706 extras, null, null, removedUsers); 6707 } 6708 if (addedPackage != null) { 6709 Bundle extras = new Bundle(1); 6710 extras.putInt(Intent.EXTRA_UID, addedAppId); 6711 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, 6712 extras, null, null, addedUsers); 6713 } 6714 } 6715 6716 private final String mRootDir; 6717 private final boolean mIsRom; 6718 private final boolean mIsPrivileged; 6719 } 6720 6721 /* Called when a downloaded package installation has been confirmed by the user */ 6722 public void installPackage( 6723 final Uri packageURI, final IPackageInstallObserver observer, final int flags) { 6724 installPackage(packageURI, observer, flags, null); 6725 } 6726 6727 /* Called when a downloaded package installation has been confirmed by the user */ 6728 public void installPackage( 6729 final Uri packageURI, final IPackageInstallObserver observer, final int flags, 6730 final String installerPackageName) { 6731 installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, 6732 null, null); 6733 } 6734 6735 @Override 6736 public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, 6737 int flags, String installerPackageName, Uri verificationURI, 6738 ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) { 6739 VerificationParams verificationParams = new VerificationParams(verificationURI, null, null, 6740 VerificationParams.NO_UID, manifestDigest); 6741 installPackageWithVerificationAndEncryption(packageURI, observer, flags, 6742 installerPackageName, verificationParams, encryptionParams); 6743 } 6744 6745 public void installPackageWithVerificationAndEncryption(Uri packageURI, 6746 IPackageInstallObserver observer, int flags, String installerPackageName, 6747 VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) { 6748 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6749 null); 6750 6751 final int uid = Binder.getCallingUid(); 6752 if (isUserRestricted(UserHandle.getUserId(uid), UserManager.DISALLOW_INSTALL_APPS)) { 6753 try { 6754 observer.packageInstalled("", PackageManager.INSTALL_FAILED_USER_RESTRICTED); 6755 } catch (RemoteException re) { 6756 } 6757 return; 6758 } 6759 6760 UserHandle user; 6761 if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) { 6762 user = UserHandle.ALL; 6763 } else { 6764 user = new UserHandle(UserHandle.getUserId(uid)); 6765 } 6766 6767 final int filteredFlags; 6768 6769 if (uid == Process.SHELL_UID || uid == 0) { 6770 if (DEBUG_INSTALL) { 6771 Slog.v(TAG, "Install from ADB"); 6772 } 6773 filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; 6774 } else { 6775 filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; 6776 } 6777 6778 verificationParams.setInstallerUid(uid); 6779 6780 final Message msg = mHandler.obtainMessage(INIT_COPY); 6781 msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, 6782 verificationParams, encryptionParams, user); 6783 mHandler.sendMessage(msg); 6784 } 6785 6786 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 6787 Bundle extras = new Bundle(1); 6788 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 6789 6790 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 6791 packageName, extras, null, null, new int[] {userId}); 6792 try { 6793 IActivityManager am = ActivityManagerNative.getDefault(); 6794 final boolean isSystem = 6795 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 6796 if (isSystem && am.isUserRunning(userId, false)) { 6797 // The just-installed/enabled app is bundled on the system, so presumed 6798 // to be able to run automatically without needing an explicit launch. 6799 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 6800 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 6801 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 6802 .setPackage(packageName); 6803 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 6804 android.app.AppOpsManager.OP_NONE, false, false, userId); 6805 } 6806 } catch (RemoteException e) { 6807 // shouldn't happen 6808 Slog.w(TAG, "Unable to bootstrap installed package", e); 6809 } 6810 } 6811 6812 @Override 6813 public boolean setApplicationBlockedSettingAsUser(String packageName, boolean blocked, 6814 int userId) { 6815 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6816 PackageSetting pkgSetting; 6817 final int uid = Binder.getCallingUid(); 6818 if (UserHandle.getUserId(uid) != userId) { 6819 mContext.enforceCallingOrSelfPermission( 6820 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6821 "setApplicationBlockedSetting for user " + userId); 6822 } 6823 6824 if (blocked && isPackageDeviceAdmin(packageName, userId)) { 6825 Slog.w(TAG, "Not blocking package " + packageName + ": has active device admin"); 6826 return false; 6827 } 6828 6829 long callingId = Binder.clearCallingIdentity(); 6830 try { 6831 boolean sendAdded = false; 6832 boolean sendRemoved = false; 6833 // writer 6834 synchronized (mPackages) { 6835 pkgSetting = mSettings.mPackages.get(packageName); 6836 if (pkgSetting == null) { 6837 return false; 6838 } 6839 if (pkgSetting.getBlocked(userId) != blocked) { 6840 pkgSetting.setBlocked(blocked, userId); 6841 mSettings.writePackageRestrictionsLPr(userId); 6842 if (blocked) { 6843 sendRemoved = true; 6844 } else { 6845 sendAdded = true; 6846 } 6847 } 6848 } 6849 if (sendAdded) { 6850 sendPackageAddedForUser(packageName, pkgSetting, userId); 6851 return true; 6852 } 6853 if (sendRemoved) { 6854 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 6855 "blocking pkg"); 6856 sendPackageBlockedForUser(packageName, pkgSetting, userId); 6857 } 6858 } finally { 6859 Binder.restoreCallingIdentity(callingId); 6860 } 6861 return false; 6862 } 6863 6864 private void sendPackageBlockedForUser(String packageName, PackageSetting pkgSetting, 6865 int userId) { 6866 final PackageRemovedInfo info = new PackageRemovedInfo(); 6867 info.removedPackage = packageName; 6868 info.removedUsers = new int[] {userId}; 6869 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 6870 info.sendBroadcast(false, false, false); 6871 } 6872 6873 /** 6874 * Returns true if application is not found or there was an error. Otherwise it returns 6875 * the blocked state of the package for the given user. 6876 */ 6877 @Override 6878 public boolean getApplicationBlockedSettingAsUser(String packageName, int userId) { 6879 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 6880 PackageSetting pkgSetting; 6881 final int uid = Binder.getCallingUid(); 6882 if (UserHandle.getUserId(uid) != userId) { 6883 mContext.enforceCallingPermission( 6884 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6885 "getApplicationBlocked for user " + userId); 6886 } 6887 long callingId = Binder.clearCallingIdentity(); 6888 try { 6889 // writer 6890 synchronized (mPackages) { 6891 pkgSetting = mSettings.mPackages.get(packageName); 6892 if (pkgSetting == null) { 6893 return true; 6894 } 6895 return pkgSetting.getBlocked(userId); 6896 } 6897 } finally { 6898 Binder.restoreCallingIdentity(callingId); 6899 } 6900 } 6901 6902 /** 6903 * @hide 6904 */ 6905 @Override 6906 public int installExistingPackageAsUser(String packageName, int userId) { 6907 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 6908 null); 6909 PackageSetting pkgSetting; 6910 final int uid = Binder.getCallingUid(); 6911 if (UserHandle.getUserId(uid) != userId) { 6912 mContext.enforceCallingPermission( 6913 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 6914 "installExistingPackage for user " + userId); 6915 } 6916 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 6917 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 6918 } 6919 6920 long callingId = Binder.clearCallingIdentity(); 6921 try { 6922 boolean sendAdded = false; 6923 Bundle extras = new Bundle(1); 6924 6925 // writer 6926 synchronized (mPackages) { 6927 pkgSetting = mSettings.mPackages.get(packageName); 6928 if (pkgSetting == null) { 6929 return PackageManager.INSTALL_FAILED_INVALID_URI; 6930 } 6931 if (!pkgSetting.getInstalled(userId)) { 6932 pkgSetting.setInstalled(true, userId); 6933 pkgSetting.setBlocked(false, userId); 6934 mSettings.writePackageRestrictionsLPr(userId); 6935 sendAdded = true; 6936 } 6937 } 6938 6939 if (sendAdded) { 6940 sendPackageAddedForUser(packageName, pkgSetting, userId); 6941 } 6942 } finally { 6943 Binder.restoreCallingIdentity(callingId); 6944 } 6945 6946 return PackageManager.INSTALL_SUCCEEDED; 6947 } 6948 6949 private boolean isUserRestricted(int userId, String restrictionKey) { 6950 Bundle restrictions = sUserManager.getUserRestrictions(userId); 6951 if (restrictions.getBoolean(restrictionKey, false)) { 6952 Log.w(TAG, "User is restricted: " + restrictionKey); 6953 return true; 6954 } 6955 return false; 6956 } 6957 6958 @Override 6959 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 6960 mContext.enforceCallingOrSelfPermission( 6961 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6962 "Only package verification agents can verify applications"); 6963 6964 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6965 final PackageVerificationResponse response = new PackageVerificationResponse( 6966 verificationCode, Binder.getCallingUid()); 6967 msg.arg1 = id; 6968 msg.obj = response; 6969 mHandler.sendMessage(msg); 6970 } 6971 6972 @Override 6973 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 6974 long millisecondsToDelay) { 6975 mContext.enforceCallingOrSelfPermission( 6976 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 6977 "Only package verification agents can extend verification timeouts"); 6978 6979 final PackageVerificationState state = mPendingVerification.get(id); 6980 final PackageVerificationResponse response = new PackageVerificationResponse( 6981 verificationCodeAtTimeout, Binder.getCallingUid()); 6982 6983 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 6984 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 6985 } 6986 if (millisecondsToDelay < 0) { 6987 millisecondsToDelay = 0; 6988 } 6989 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 6990 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 6991 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 6992 } 6993 6994 if ((state != null) && !state.timeoutExtended()) { 6995 state.extendTimeout(); 6996 6997 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 6998 msg.arg1 = id; 6999 msg.obj = response; 7000 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 7001 } 7002 } 7003 7004 private void broadcastPackageVerified(int verificationId, Uri packageUri, 7005 int verificationCode, UserHandle user) { 7006 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 7007 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 7008 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7009 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7010 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 7011 7012 mContext.sendBroadcastAsUser(intent, user, 7013 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 7014 } 7015 7016 private ComponentName matchComponentForVerifier(String packageName, 7017 List<ResolveInfo> receivers) { 7018 ActivityInfo targetReceiver = null; 7019 7020 final int NR = receivers.size(); 7021 for (int i = 0; i < NR; i++) { 7022 final ResolveInfo info = receivers.get(i); 7023 if (info.activityInfo == null) { 7024 continue; 7025 } 7026 7027 if (packageName.equals(info.activityInfo.packageName)) { 7028 targetReceiver = info.activityInfo; 7029 break; 7030 } 7031 } 7032 7033 if (targetReceiver == null) { 7034 return null; 7035 } 7036 7037 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 7038 } 7039 7040 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 7041 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 7042 if (pkgInfo.verifiers.length == 0) { 7043 return null; 7044 } 7045 7046 final int N = pkgInfo.verifiers.length; 7047 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 7048 for (int i = 0; i < N; i++) { 7049 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 7050 7051 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 7052 receivers); 7053 if (comp == null) { 7054 continue; 7055 } 7056 7057 final int verifierUid = getUidForVerifier(verifierInfo); 7058 if (verifierUid == -1) { 7059 continue; 7060 } 7061 7062 if (DEBUG_VERIFY) { 7063 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 7064 + " with the correct signature"); 7065 } 7066 sufficientVerifiers.add(comp); 7067 verificationState.addSufficientVerifier(verifierUid); 7068 } 7069 7070 return sufficientVerifiers; 7071 } 7072 7073 private int getUidForVerifier(VerifierInfo verifierInfo) { 7074 synchronized (mPackages) { 7075 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 7076 if (pkg == null) { 7077 return -1; 7078 } else if (pkg.mSignatures.length != 1) { 7079 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7080 + " has more than one signature; ignoring"); 7081 return -1; 7082 } 7083 7084 /* 7085 * If the public key of the package's signature does not match 7086 * our expected public key, then this is a different package and 7087 * we should skip. 7088 */ 7089 7090 final byte[] expectedPublicKey; 7091 try { 7092 final Signature verifierSig = pkg.mSignatures[0]; 7093 final PublicKey publicKey = verifierSig.getPublicKey(); 7094 expectedPublicKey = publicKey.getEncoded(); 7095 } catch (CertificateException e) { 7096 return -1; 7097 } 7098 7099 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 7100 7101 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 7102 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 7103 + " does not have the expected public key; ignoring"); 7104 return -1; 7105 } 7106 7107 return pkg.applicationInfo.uid; 7108 } 7109 } 7110 7111 public void finishPackageInstall(int token) { 7112 enforceSystemOrRoot("Only the system is allowed to finish installs"); 7113 7114 if (DEBUG_INSTALL) { 7115 Slog.v(TAG, "BM finishing package install for " + token); 7116 } 7117 7118 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7119 mHandler.sendMessage(msg); 7120 } 7121 7122 /** 7123 * Get the verification agent timeout. 7124 * 7125 * @return verification timeout in milliseconds 7126 */ 7127 private long getVerificationTimeout() { 7128 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 7129 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 7130 DEFAULT_VERIFICATION_TIMEOUT); 7131 } 7132 7133 /** 7134 * Get the default verification agent response code. 7135 * 7136 * @return default verification response code 7137 */ 7138 private int getDefaultVerificationResponse() { 7139 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7140 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 7141 DEFAULT_VERIFICATION_RESPONSE); 7142 } 7143 7144 /** 7145 * Check whether or not package verification has been enabled. 7146 * 7147 * @return true if verification should be performed 7148 */ 7149 private boolean isVerificationEnabled(int flags) { 7150 if (!DEFAULT_VERIFY_ENABLE) { 7151 return false; 7152 } 7153 7154 // Check if installing from ADB 7155 if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) { 7156 // Do not run verification in a test harness environment 7157 if (ActivityManager.isRunningInTestHarness()) { 7158 return false; 7159 } 7160 // Check if the developer does not want package verification for ADB installs 7161 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7162 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 7163 return false; 7164 } 7165 } 7166 7167 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7168 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 7169 } 7170 7171 /** 7172 * Get the "allow unknown sources" setting. 7173 * 7174 * @return the current "allow unknown sources" setting 7175 */ 7176 private int getUnknownSourcesSettings() { 7177 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 7178 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 7179 -1); 7180 } 7181 7182 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 7183 final int uid = Binder.getCallingUid(); 7184 // writer 7185 synchronized (mPackages) { 7186 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 7187 if (targetPackageSetting == null) { 7188 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 7189 } 7190 7191 PackageSetting installerPackageSetting; 7192 if (installerPackageName != null) { 7193 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 7194 if (installerPackageSetting == null) { 7195 throw new IllegalArgumentException("Unknown installer package: " 7196 + installerPackageName); 7197 } 7198 } else { 7199 installerPackageSetting = null; 7200 } 7201 7202 Signature[] callerSignature; 7203 Object obj = mSettings.getUserIdLPr(uid); 7204 if (obj != null) { 7205 if (obj instanceof SharedUserSetting) { 7206 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 7207 } else if (obj instanceof PackageSetting) { 7208 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 7209 } else { 7210 throw new SecurityException("Bad object " + obj + " for uid " + uid); 7211 } 7212 } else { 7213 throw new SecurityException("Unknown calling uid " + uid); 7214 } 7215 7216 // Verify: can't set installerPackageName to a package that is 7217 // not signed with the same cert as the caller. 7218 if (installerPackageSetting != null) { 7219 if (compareSignatures(callerSignature, 7220 installerPackageSetting.signatures.mSignatures) 7221 != PackageManager.SIGNATURE_MATCH) { 7222 throw new SecurityException( 7223 "Caller does not have same cert as new installer package " 7224 + installerPackageName); 7225 } 7226 } 7227 7228 // Verify: if target already has an installer package, it must 7229 // be signed with the same cert as the caller. 7230 if (targetPackageSetting.installerPackageName != null) { 7231 PackageSetting setting = mSettings.mPackages.get( 7232 targetPackageSetting.installerPackageName); 7233 // If the currently set package isn't valid, then it's always 7234 // okay to change it. 7235 if (setting != null) { 7236 if (compareSignatures(callerSignature, 7237 setting.signatures.mSignatures) 7238 != PackageManager.SIGNATURE_MATCH) { 7239 throw new SecurityException( 7240 "Caller does not have same cert as old installer package " 7241 + targetPackageSetting.installerPackageName); 7242 } 7243 } 7244 } 7245 7246 // Okay! 7247 targetPackageSetting.installerPackageName = installerPackageName; 7248 scheduleWriteSettingsLocked(); 7249 } 7250 } 7251 7252 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 7253 // Queue up an async operation since the package installation may take a little while. 7254 mHandler.post(new Runnable() { 7255 public void run() { 7256 mHandler.removeCallbacks(this); 7257 // Result object to be returned 7258 PackageInstalledInfo res = new PackageInstalledInfo(); 7259 res.returnCode = currentStatus; 7260 res.uid = -1; 7261 res.pkg = null; 7262 res.removedInfo = new PackageRemovedInfo(); 7263 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 7264 args.doPreInstall(res.returnCode); 7265 synchronized (mInstallLock) { 7266 installPackageLI(args, true, res); 7267 } 7268 args.doPostInstall(res.returnCode, res.uid); 7269 } 7270 7271 // A restore should be performed at this point if (a) the install 7272 // succeeded, (b) the operation is not an update, and (c) the new 7273 // package has a backupAgent defined. 7274 final boolean update = res.removedInfo.removedPackage != null; 7275 boolean doRestore = (!update 7276 && res.pkg != null 7277 && res.pkg.applicationInfo.backupAgentName != null); 7278 7279 // Set up the post-install work request bookkeeping. This will be used 7280 // and cleaned up by the post-install event handling regardless of whether 7281 // there's a restore pass performed. Token values are >= 1. 7282 int token; 7283 if (mNextInstallToken < 0) mNextInstallToken = 1; 7284 token = mNextInstallToken++; 7285 7286 PostInstallData data = new PostInstallData(args, res); 7287 mRunningInstalls.put(token, data); 7288 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 7289 7290 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 7291 // Pass responsibility to the Backup Manager. It will perform a 7292 // restore if appropriate, then pass responsibility back to the 7293 // Package Manager to run the post-install observer callbacks 7294 // and broadcasts. 7295 IBackupManager bm = IBackupManager.Stub.asInterface( 7296 ServiceManager.getService(Context.BACKUP_SERVICE)); 7297 if (bm != null) { 7298 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 7299 + " to BM for possible restore"); 7300 try { 7301 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 7302 } catch (RemoteException e) { 7303 // can't happen; the backup manager is local 7304 } catch (Exception e) { 7305 Slog.e(TAG, "Exception trying to enqueue restore", e); 7306 doRestore = false; 7307 } 7308 } else { 7309 Slog.e(TAG, "Backup Manager not found!"); 7310 doRestore = false; 7311 } 7312 } 7313 7314 if (!doRestore) { 7315 // No restore possible, or the Backup Manager was mysteriously not 7316 // available -- just fire the post-install work request directly. 7317 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 7318 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 7319 mHandler.sendMessage(msg); 7320 } 7321 } 7322 }); 7323 } 7324 7325 private abstract class HandlerParams { 7326 private static final int MAX_RETRIES = 4; 7327 7328 /** 7329 * Number of times startCopy() has been attempted and had a non-fatal 7330 * error. 7331 */ 7332 private int mRetries = 0; 7333 7334 /** User handle for the user requesting the information or installation. */ 7335 private final UserHandle mUser; 7336 7337 HandlerParams(UserHandle user) { 7338 mUser = user; 7339 } 7340 7341 UserHandle getUser() { 7342 return mUser; 7343 } 7344 7345 final boolean startCopy() { 7346 boolean res; 7347 try { 7348 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 7349 7350 if (++mRetries > MAX_RETRIES) { 7351 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 7352 mHandler.sendEmptyMessage(MCS_GIVE_UP); 7353 handleServiceError(); 7354 return false; 7355 } else { 7356 handleStartCopy(); 7357 res = true; 7358 } 7359 } catch (RemoteException e) { 7360 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 7361 mHandler.sendEmptyMessage(MCS_RECONNECT); 7362 res = false; 7363 } 7364 handleReturnCode(); 7365 return res; 7366 } 7367 7368 final void serviceError() { 7369 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 7370 handleServiceError(); 7371 handleReturnCode(); 7372 } 7373 7374 abstract void handleStartCopy() throws RemoteException; 7375 abstract void handleServiceError(); 7376 abstract void handleReturnCode(); 7377 } 7378 7379 class MeasureParams extends HandlerParams { 7380 private final PackageStats mStats; 7381 private boolean mSuccess; 7382 7383 private final IPackageStatsObserver mObserver; 7384 7385 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 7386 super(new UserHandle(stats.userHandle)); 7387 mObserver = observer; 7388 mStats = stats; 7389 } 7390 7391 @Override 7392 public String toString() { 7393 return "MeasureParams{" 7394 + Integer.toHexString(System.identityHashCode(this)) 7395 + " " + mStats.packageName + "}"; 7396 } 7397 7398 @Override 7399 void handleStartCopy() throws RemoteException { 7400 synchronized (mInstallLock) { 7401 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 7402 } 7403 7404 final boolean mounted; 7405 if (Environment.isExternalStorageEmulated()) { 7406 mounted = true; 7407 } else { 7408 final String status = Environment.getExternalStorageState(); 7409 mounted = (Environment.MEDIA_MOUNTED.equals(status) 7410 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 7411 } 7412 7413 if (mounted) { 7414 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 7415 7416 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 7417 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 7418 7419 mStats.externalDataSize = calculateDirectorySize(mContainerService, 7420 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 7421 7422 // Always subtract cache size, since it's a subdirectory 7423 mStats.externalDataSize -= mStats.externalCacheSize; 7424 7425 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 7426 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 7427 7428 mStats.externalObbSize = calculateDirectorySize(mContainerService, 7429 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 7430 } 7431 } 7432 7433 @Override 7434 void handleReturnCode() { 7435 if (mObserver != null) { 7436 try { 7437 mObserver.onGetStatsCompleted(mStats, mSuccess); 7438 } catch (RemoteException e) { 7439 Slog.i(TAG, "Observer no longer exists."); 7440 } 7441 } 7442 } 7443 7444 @Override 7445 void handleServiceError() { 7446 Slog.e(TAG, "Could not measure application " + mStats.packageName 7447 + " external storage"); 7448 } 7449 } 7450 7451 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 7452 throws RemoteException { 7453 long result = 0; 7454 for (File path : paths) { 7455 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 7456 } 7457 return result; 7458 } 7459 7460 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 7461 for (File path : paths) { 7462 try { 7463 mcs.clearDirectory(path.getAbsolutePath()); 7464 } catch (RemoteException e) { 7465 } 7466 } 7467 } 7468 7469 class InstallParams extends HandlerParams { 7470 final IPackageInstallObserver observer; 7471 int flags; 7472 7473 private final Uri mPackageURI; 7474 final String installerPackageName; 7475 final VerificationParams verificationParams; 7476 private InstallArgs mArgs; 7477 private int mRet; 7478 private File mTempPackage; 7479 final ContainerEncryptionParams encryptionParams; 7480 7481 InstallParams(Uri packageURI, 7482 IPackageInstallObserver observer, int flags, 7483 String installerPackageName, VerificationParams verificationParams, 7484 ContainerEncryptionParams encryptionParams, UserHandle user) { 7485 super(user); 7486 this.mPackageURI = packageURI; 7487 this.flags = flags; 7488 this.observer = observer; 7489 this.installerPackageName = installerPackageName; 7490 this.verificationParams = verificationParams; 7491 this.encryptionParams = encryptionParams; 7492 } 7493 7494 @Override 7495 public String toString() { 7496 return "InstallParams{" 7497 + Integer.toHexString(System.identityHashCode(this)) 7498 + " " + mPackageURI + "}"; 7499 } 7500 7501 public ManifestDigest getManifestDigest() { 7502 if (verificationParams == null) { 7503 return null; 7504 } 7505 return verificationParams.getManifestDigest(); 7506 } 7507 7508 private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { 7509 String packageName = pkgLite.packageName; 7510 int installLocation = pkgLite.installLocation; 7511 boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7512 // reader 7513 synchronized (mPackages) { 7514 PackageParser.Package pkg = mPackages.get(packageName); 7515 if (pkg != null) { 7516 if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 7517 // Check for downgrading. 7518 if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 7519 if (pkgLite.versionCode < pkg.mVersionCode) { 7520 Slog.w(TAG, "Can't install update of " + packageName 7521 + " update version " + pkgLite.versionCode 7522 + " is older than installed version " 7523 + pkg.mVersionCode); 7524 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 7525 } 7526 } 7527 // Check for updated system application. 7528 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 7529 if (onSd) { 7530 Slog.w(TAG, "Cannot install update to system app on sdcard"); 7531 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 7532 } 7533 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7534 } else { 7535 if (onSd) { 7536 // Install flag overrides everything. 7537 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7538 } 7539 // If current upgrade specifies particular preference 7540 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 7541 // Application explicitly specified internal. 7542 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7543 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 7544 // App explictly prefers external. Let policy decide 7545 } else { 7546 // Prefer previous location 7547 if (isExternal(pkg)) { 7548 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7549 } 7550 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 7551 } 7552 } 7553 } else { 7554 // Invalid install. Return error code 7555 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 7556 } 7557 } 7558 } 7559 // All the special cases have been taken care of. 7560 // Return result based on recommended install location. 7561 if (onSd) { 7562 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 7563 } 7564 return pkgLite.recommendedInstallLocation; 7565 } 7566 7567 private long getMemoryLowThreshold() { 7568 final DeviceStorageMonitorInternal 7569 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 7570 if (dsm == null) { 7571 return 0L; 7572 } 7573 return dsm.getMemoryLowThreshold(); 7574 } 7575 7576 /* 7577 * Invoke remote method to get package information and install 7578 * location values. Override install location based on default 7579 * policy if needed and then create install arguments based 7580 * on the install location. 7581 */ 7582 public void handleStartCopy() throws RemoteException { 7583 int ret = PackageManager.INSTALL_SUCCEEDED; 7584 final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; 7585 final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; 7586 PackageInfoLite pkgLite = null; 7587 7588 if (onInt && onSd) { 7589 // Check if both bits are set. 7590 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 7591 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7592 } else { 7593 final long lowThreshold = getMemoryLowThreshold(); 7594 if (lowThreshold == 0L) { 7595 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 7596 } 7597 7598 try { 7599 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI, 7600 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7601 7602 final File packageFile; 7603 if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) { 7604 mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir); 7605 if (mTempPackage != null) { 7606 ParcelFileDescriptor out; 7607 try { 7608 out = ParcelFileDescriptor.open(mTempPackage, 7609 ParcelFileDescriptor.MODE_READ_WRITE); 7610 } catch (FileNotFoundException e) { 7611 out = null; 7612 Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI); 7613 } 7614 7615 // Make a temporary file for decryption. 7616 ret = mContainerService 7617 .copyResource(mPackageURI, encryptionParams, out); 7618 IoUtils.closeQuietly(out); 7619 7620 packageFile = mTempPackage; 7621 7622 FileUtils.setPermissions(packageFile.getAbsolutePath(), 7623 FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP 7624 | FileUtils.S_IROTH, 7625 -1, -1); 7626 } else { 7627 packageFile = null; 7628 } 7629 } else { 7630 packageFile = new File(mPackageURI.getPath()); 7631 } 7632 7633 if (packageFile != null) { 7634 // Remote call to find out default install location 7635 final String packageFilePath = packageFile.getAbsolutePath(); 7636 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags, 7637 lowThreshold); 7638 7639 /* 7640 * If we have too little free space, try to free cache 7641 * before giving up. 7642 */ 7643 if (pkgLite.recommendedInstallLocation 7644 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7645 final long size = mContainerService.calculateInstalledSize( 7646 packageFilePath, isForwardLocked()); 7647 if (mInstaller.freeCache(size + lowThreshold) >= 0) { 7648 pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, 7649 flags, lowThreshold); 7650 } 7651 /* 7652 * The cache free must have deleted the file we 7653 * downloaded to install. 7654 * 7655 * TODO: fix the "freeCache" call to not delete 7656 * the file we care about. 7657 */ 7658 if (pkgLite.recommendedInstallLocation 7659 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7660 pkgLite.recommendedInstallLocation 7661 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 7662 } 7663 } 7664 } 7665 } finally { 7666 mContext.revokeUriPermission(mPackageURI, 7667 Intent.FLAG_GRANT_READ_URI_PERMISSION); 7668 } 7669 } 7670 7671 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7672 int loc = pkgLite.recommendedInstallLocation; 7673 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 7674 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 7675 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 7676 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 7677 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 7678 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7679 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 7680 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 7681 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 7682 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 7683 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 7684 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 7685 } else { 7686 // Override with defaults if needed. 7687 loc = installLocationPolicy(pkgLite, flags); 7688 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 7689 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 7690 } else if (!onSd && !onInt) { 7691 // Override install location with flags 7692 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 7693 // Set the flag to install on external media. 7694 flags |= PackageManager.INSTALL_EXTERNAL; 7695 flags &= ~PackageManager.INSTALL_INTERNAL; 7696 } else { 7697 // Make sure the flag for installing on external 7698 // media is unset 7699 flags |= PackageManager.INSTALL_INTERNAL; 7700 flags &= ~PackageManager.INSTALL_EXTERNAL; 7701 } 7702 } 7703 } 7704 } 7705 7706 final InstallArgs args = createInstallArgs(this); 7707 mArgs = args; 7708 7709 if (ret == PackageManager.INSTALL_SUCCEEDED) { 7710 /* 7711 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 7712 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 7713 */ 7714 int userIdentifier = getUser().getIdentifier(); 7715 if (userIdentifier == UserHandle.USER_ALL 7716 && ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) { 7717 userIdentifier = UserHandle.USER_OWNER; 7718 } 7719 7720 /* 7721 * Determine if we have any installed package verifiers. If we 7722 * do, then we'll defer to them to verify the packages. 7723 */ 7724 final int requiredUid = mRequiredVerifierPackage == null ? -1 7725 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 7726 if (requiredUid != -1 && isVerificationEnabled(flags)) { 7727 final Intent verification = new Intent( 7728 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 7729 verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE); 7730 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 7731 7732 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 7733 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 7734 0 /* TODO: Which userId? */); 7735 7736 if (DEBUG_VERIFY) { 7737 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 7738 + verification.toString() + " with " + pkgLite.verifiers.length 7739 + " optional verifiers"); 7740 } 7741 7742 final int verificationId = mPendingVerificationToken++; 7743 7744 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 7745 7746 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 7747 installerPackageName); 7748 7749 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); 7750 7751 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 7752 pkgLite.packageName); 7753 7754 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 7755 pkgLite.versionCode); 7756 7757 if (verificationParams != null) { 7758 if (verificationParams.getVerificationURI() != null) { 7759 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 7760 verificationParams.getVerificationURI()); 7761 } 7762 if (verificationParams.getOriginatingURI() != null) { 7763 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 7764 verificationParams.getOriginatingURI()); 7765 } 7766 if (verificationParams.getReferrer() != null) { 7767 verification.putExtra(Intent.EXTRA_REFERRER, 7768 verificationParams.getReferrer()); 7769 } 7770 if (verificationParams.getOriginatingUid() >= 0) { 7771 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 7772 verificationParams.getOriginatingUid()); 7773 } 7774 if (verificationParams.getInstallerUid() >= 0) { 7775 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 7776 verificationParams.getInstallerUid()); 7777 } 7778 } 7779 7780 final PackageVerificationState verificationState = new PackageVerificationState( 7781 requiredUid, args); 7782 7783 mPendingVerification.append(verificationId, verificationState); 7784 7785 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 7786 receivers, verificationState); 7787 7788 /* 7789 * If any sufficient verifiers were listed in the package 7790 * manifest, attempt to ask them. 7791 */ 7792 if (sufficientVerifiers != null) { 7793 final int N = sufficientVerifiers.size(); 7794 if (N == 0) { 7795 Slog.i(TAG, "Additional verifiers required, but none installed."); 7796 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 7797 } else { 7798 for (int i = 0; i < N; i++) { 7799 final ComponentName verifierComponent = sufficientVerifiers.get(i); 7800 7801 final Intent sufficientIntent = new Intent(verification); 7802 sufficientIntent.setComponent(verifierComponent); 7803 7804 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 7805 } 7806 } 7807 } 7808 7809 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 7810 mRequiredVerifierPackage, receivers); 7811 if (ret == PackageManager.INSTALL_SUCCEEDED 7812 && mRequiredVerifierPackage != null) { 7813 /* 7814 * Send the intent to the required verification agent, 7815 * but only start the verification timeout after the 7816 * target BroadcastReceivers have run. 7817 */ 7818 verification.setComponent(requiredVerifierComponent); 7819 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 7820 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 7821 new BroadcastReceiver() { 7822 @Override 7823 public void onReceive(Context context, Intent intent) { 7824 final Message msg = mHandler 7825 .obtainMessage(CHECK_PENDING_VERIFICATION); 7826 msg.arg1 = verificationId; 7827 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 7828 } 7829 }, null, 0, null, null); 7830 7831 /* 7832 * We don't want the copy to proceed until verification 7833 * succeeds, so null out this field. 7834 */ 7835 mArgs = null; 7836 } 7837 } else { 7838 /* 7839 * No package verification is enabled, so immediately start 7840 * the remote call to initiate copy using temporary file. 7841 */ 7842 ret = args.copyApk(mContainerService, true); 7843 } 7844 } 7845 7846 mRet = ret; 7847 } 7848 7849 @Override 7850 void handleReturnCode() { 7851 // If mArgs is null, then MCS couldn't be reached. When it 7852 // reconnects, it will try again to install. At that point, this 7853 // will succeed. 7854 if (mArgs != null) { 7855 processPendingInstall(mArgs, mRet); 7856 7857 if (mTempPackage != null) { 7858 if (!mTempPackage.delete()) { 7859 Slog.w(TAG, "Couldn't delete temporary file: " + 7860 mTempPackage.getAbsolutePath()); 7861 } 7862 } 7863 } 7864 } 7865 7866 @Override 7867 void handleServiceError() { 7868 mArgs = createInstallArgs(this); 7869 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7870 } 7871 7872 public boolean isForwardLocked() { 7873 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 7874 } 7875 7876 public Uri getPackageUri() { 7877 if (mTempPackage != null) { 7878 return Uri.fromFile(mTempPackage); 7879 } else { 7880 return mPackageURI; 7881 } 7882 } 7883 } 7884 7885 /* 7886 * Utility class used in movePackage api. 7887 * srcArgs and targetArgs are not set for invalid flags and make 7888 * sure to do null checks when invoking methods on them. 7889 * We probably want to return ErrorPrams for both failed installs 7890 * and moves. 7891 */ 7892 class MoveParams extends HandlerParams { 7893 final IPackageMoveObserver observer; 7894 final int flags; 7895 final String packageName; 7896 final InstallArgs srcArgs; 7897 final InstallArgs targetArgs; 7898 int uid; 7899 int mRet; 7900 7901 MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, 7902 String packageName, String dataDir, int uid, UserHandle user) { 7903 super(user); 7904 this.srcArgs = srcArgs; 7905 this.observer = observer; 7906 this.flags = flags; 7907 this.packageName = packageName; 7908 this.uid = uid; 7909 if (srcArgs != null) { 7910 Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); 7911 targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); 7912 } else { 7913 targetArgs = null; 7914 } 7915 } 7916 7917 @Override 7918 public String toString() { 7919 return "MoveParams{" 7920 + Integer.toHexString(System.identityHashCode(this)) 7921 + " " + packageName + "}"; 7922 } 7923 7924 public void handleStartCopy() throws RemoteException { 7925 mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 7926 // Check for storage space on target medium 7927 if (!targetArgs.checkFreeStorage(mContainerService)) { 7928 Log.w(TAG, "Insufficient storage to install"); 7929 return; 7930 } 7931 7932 mRet = srcArgs.doPreCopy(); 7933 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7934 return; 7935 } 7936 7937 mRet = targetArgs.copyApk(mContainerService, false); 7938 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7939 srcArgs.doPostCopy(uid); 7940 return; 7941 } 7942 7943 mRet = srcArgs.doPostCopy(uid); 7944 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7945 return; 7946 } 7947 7948 mRet = targetArgs.doPreInstall(mRet); 7949 if (mRet != PackageManager.INSTALL_SUCCEEDED) { 7950 return; 7951 } 7952 7953 if (DEBUG_SD_INSTALL) { 7954 StringBuilder builder = new StringBuilder(); 7955 if (srcArgs != null) { 7956 builder.append("src: "); 7957 builder.append(srcArgs.getCodePath()); 7958 } 7959 if (targetArgs != null) { 7960 builder.append(" target : "); 7961 builder.append(targetArgs.getCodePath()); 7962 } 7963 Log.i(TAG, builder.toString()); 7964 } 7965 } 7966 7967 @Override 7968 void handleReturnCode() { 7969 targetArgs.doPostInstall(mRet, uid); 7970 int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 7971 if (mRet == PackageManager.INSTALL_SUCCEEDED) { 7972 currentStatus = PackageManager.MOVE_SUCCEEDED; 7973 } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ 7974 currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 7975 } 7976 processPendingMove(this, currentStatus); 7977 } 7978 7979 @Override 7980 void handleServiceError() { 7981 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 7982 } 7983 } 7984 7985 /** 7986 * Used during creation of InstallArgs 7987 * 7988 * @param flags package installation flags 7989 * @return true if should be installed on external storage 7990 */ 7991 private static boolean installOnSd(int flags) { 7992 if ((flags & PackageManager.INSTALL_INTERNAL) != 0) { 7993 return false; 7994 } 7995 if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { 7996 return true; 7997 } 7998 return false; 7999 } 8000 8001 /** 8002 * Used during creation of InstallArgs 8003 * 8004 * @param flags package installation flags 8005 * @return true if should be installed as forward locked 8006 */ 8007 private static boolean installForwardLocked(int flags) { 8008 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8009 } 8010 8011 private InstallArgs createInstallArgs(InstallParams params) { 8012 if (installOnSd(params.flags) || params.isForwardLocked()) { 8013 return new AsecInstallArgs(params); 8014 } else { 8015 return new FileInstallArgs(params); 8016 } 8017 } 8018 8019 private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, 8020 String nativeLibraryPath) { 8021 final boolean isInAsec; 8022 if (installOnSd(flags)) { 8023 /* Apps on SD card are always in ASEC containers. */ 8024 isInAsec = true; 8025 } else if (installForwardLocked(flags) 8026 && !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 8027 /* 8028 * Forward-locked apps are only in ASEC containers if they're the 8029 * new style 8030 */ 8031 isInAsec = true; 8032 } else { 8033 isInAsec = false; 8034 } 8035 8036 if (isInAsec) { 8037 return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath, 8038 installOnSd(flags), installForwardLocked(flags)); 8039 } else { 8040 return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); 8041 } 8042 } 8043 8044 // Used by package mover 8045 private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { 8046 if (installOnSd(flags) || installForwardLocked(flags)) { 8047 String cid = getNextCodePath(packageURI.getPath(), pkgName, "/" 8048 + AsecInstallArgs.RES_FILE_NAME); 8049 return new AsecInstallArgs(packageURI, cid, installOnSd(flags), 8050 installForwardLocked(flags)); 8051 } else { 8052 return new FileInstallArgs(packageURI, pkgName, dataDir); 8053 } 8054 } 8055 8056 static abstract class InstallArgs { 8057 final IPackageInstallObserver observer; 8058 // Always refers to PackageManager flags only 8059 final int flags; 8060 final Uri packageURI; 8061 final String installerPackageName; 8062 final ManifestDigest manifestDigest; 8063 final UserHandle user; 8064 8065 InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, 8066 String installerPackageName, ManifestDigest manifestDigest, 8067 UserHandle user) { 8068 this.packageURI = packageURI; 8069 this.flags = flags; 8070 this.observer = observer; 8071 this.installerPackageName = installerPackageName; 8072 this.manifestDigest = manifestDigest; 8073 this.user = user; 8074 } 8075 8076 abstract void createCopyFile(); 8077 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 8078 abstract int doPreInstall(int status); 8079 abstract boolean doRename(int status, String pkgName, String oldCodePath); 8080 8081 abstract int doPostInstall(int status, int uid); 8082 abstract String getCodePath(); 8083 abstract String getResourcePath(); 8084 abstract String getNativeLibraryPath(); 8085 // Need installer lock especially for dex file removal. 8086 abstract void cleanUpResourcesLI(); 8087 abstract boolean doPostDeleteLI(boolean delete); 8088 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 8089 8090 /** 8091 * Called before the source arguments are copied. This is used mostly 8092 * for MoveParams when it needs to read the source file to put it in the 8093 * destination. 8094 */ 8095 int doPreCopy() { 8096 return PackageManager.INSTALL_SUCCEEDED; 8097 } 8098 8099 /** 8100 * Called after the source arguments are copied. This is used mostly for 8101 * MoveParams when it needs to read the source file to put it in the 8102 * destination. 8103 * 8104 * @return 8105 */ 8106 int doPostCopy(int uid) { 8107 return PackageManager.INSTALL_SUCCEEDED; 8108 } 8109 8110 protected boolean isFwdLocked() { 8111 return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 8112 } 8113 8114 UserHandle getUser() { 8115 return user; 8116 } 8117 } 8118 8119 class FileInstallArgs extends InstallArgs { 8120 File installDir; 8121 String codeFileName; 8122 String resourceFileName; 8123 String libraryPath; 8124 boolean created = false; 8125 8126 FileInstallArgs(InstallParams params) { 8127 super(params.getPackageUri(), params.observer, params.flags, 8128 params.installerPackageName, params.getManifestDigest(), 8129 params.getUser()); 8130 } 8131 8132 FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { 8133 super(null, null, 0, null, null, null); 8134 File codeFile = new File(fullCodePath); 8135 installDir = codeFile.getParentFile(); 8136 codeFileName = fullCodePath; 8137 resourceFileName = fullResourcePath; 8138 libraryPath = nativeLibraryPath; 8139 } 8140 8141 FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { 8142 super(packageURI, null, 0, null, null, null); 8143 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8144 String apkName = getNextCodePath(null, pkgName, ".apk"); 8145 codeFileName = new File(installDir, apkName + ".apk").getPath(); 8146 resourceFileName = getResourcePathFromCodePath(); 8147 libraryPath = new File(mAppLibInstallDir, pkgName).getPath(); 8148 } 8149 8150 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8151 final long lowThreshold; 8152 8153 final DeviceStorageMonitorInternal 8154 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 8155 if (dsm == null) { 8156 Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); 8157 lowThreshold = 0L; 8158 } else { 8159 if (dsm.isMemoryLow()) { 8160 Log.w(TAG, "Memory is reported as being too low; aborting package install"); 8161 return false; 8162 } 8163 8164 lowThreshold = dsm.getMemoryLowThreshold(); 8165 } 8166 8167 try { 8168 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8169 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8170 return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold); 8171 } finally { 8172 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8173 } 8174 } 8175 8176 String getCodePath() { 8177 return codeFileName; 8178 } 8179 8180 void createCopyFile() { 8181 installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; 8182 codeFileName = createTempPackageFile(installDir).getPath(); 8183 resourceFileName = getResourcePathFromCodePath(); 8184 libraryPath = getLibraryPathFromCodePath(); 8185 created = true; 8186 } 8187 8188 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8189 if (temp) { 8190 // Generate temp file name 8191 createCopyFile(); 8192 } 8193 // Get a ParcelFileDescriptor to write to the output file 8194 File codeFile = new File(codeFileName); 8195 if (!created) { 8196 try { 8197 codeFile.createNewFile(); 8198 // Set permissions 8199 if (!setPermissions()) { 8200 // Failed setting permissions. 8201 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8202 } 8203 } catch (IOException e) { 8204 Slog.w(TAG, "Failed to create file " + codeFile); 8205 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8206 } 8207 } 8208 ParcelFileDescriptor out = null; 8209 try { 8210 out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); 8211 } catch (FileNotFoundException e) { 8212 Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); 8213 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8214 } 8215 // Copy the resource now 8216 int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8217 try { 8218 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8219 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8220 ret = imcs.copyResource(packageURI, null, out); 8221 } finally { 8222 IoUtils.closeQuietly(out); 8223 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8224 } 8225 8226 if (isFwdLocked()) { 8227 final File destResourceFile = new File(getResourcePath()); 8228 8229 // Copy the public files 8230 try { 8231 PackageHelper.extractPublicFiles(codeFileName, destResourceFile); 8232 } catch (IOException e) { 8233 Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" 8234 + " forward-locked app."); 8235 destResourceFile.delete(); 8236 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8237 } 8238 } 8239 8240 final File nativeLibraryFile = new File(getNativeLibraryPath()); 8241 Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath()); 8242 if (nativeLibraryFile.exists()) { 8243 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8244 nativeLibraryFile.delete(); 8245 } 8246 try { 8247 int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile); 8248 if (copyRet != PackageManager.INSTALL_SUCCEEDED) { 8249 return copyRet; 8250 } 8251 } catch (IOException e) { 8252 Slog.e(TAG, "Copying native libraries failed", e); 8253 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 8254 } 8255 8256 return ret; 8257 } 8258 8259 int doPreInstall(int status) { 8260 if (status != PackageManager.INSTALL_SUCCEEDED) { 8261 cleanUp(); 8262 } 8263 return status; 8264 } 8265 8266 boolean doRename(int status, final String pkgName, String oldCodePath) { 8267 if (status != PackageManager.INSTALL_SUCCEEDED) { 8268 cleanUp(); 8269 return false; 8270 } else { 8271 final File oldCodeFile = new File(getCodePath()); 8272 final File oldResourceFile = new File(getResourcePath()); 8273 final File oldLibraryFile = new File(getNativeLibraryPath()); 8274 8275 // Rename APK file based on packageName 8276 final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); 8277 final File newCodeFile = new File(installDir, apkName + ".apk"); 8278 if (!oldCodeFile.renameTo(newCodeFile)) { 8279 return false; 8280 } 8281 codeFileName = newCodeFile.getPath(); 8282 8283 // Rename public resource file if it's forward-locked. 8284 final File newResFile = new File(getResourcePathFromCodePath()); 8285 if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) { 8286 return false; 8287 } 8288 resourceFileName = newResFile.getPath(); 8289 8290 // Rename library path 8291 final File newLibraryFile = new File(getLibraryPathFromCodePath()); 8292 if (newLibraryFile.exists()) { 8293 NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile); 8294 newLibraryFile.delete(); 8295 } 8296 if (!oldLibraryFile.renameTo(newLibraryFile)) { 8297 Slog.e(TAG, "Cannot rename native library directory " 8298 + oldLibraryFile.getPath() + " to " + newLibraryFile.getPath()); 8299 return false; 8300 } 8301 libraryPath = newLibraryFile.getPath(); 8302 8303 // Attempt to set permissions 8304 if (!setPermissions()) { 8305 return false; 8306 } 8307 8308 if (!SELinux.restorecon(newCodeFile)) { 8309 return false; 8310 } 8311 8312 return true; 8313 } 8314 } 8315 8316 int doPostInstall(int status, int uid) { 8317 if (status != PackageManager.INSTALL_SUCCEEDED) { 8318 cleanUp(); 8319 } 8320 return status; 8321 } 8322 8323 String getResourcePath() { 8324 return resourceFileName; 8325 } 8326 8327 private String getResourcePathFromCodePath() { 8328 final String codePath = getCodePath(); 8329 if (isFwdLocked()) { 8330 final StringBuilder sb = new StringBuilder(); 8331 8332 sb.append(mAppInstallDir.getPath()); 8333 sb.append('/'); 8334 sb.append(getApkName(codePath)); 8335 sb.append(".zip"); 8336 8337 /* 8338 * If our APK is a temporary file, mark the resource as a 8339 * temporary file as well so it can be cleaned up after 8340 * catastrophic failure. 8341 */ 8342 if (codePath.endsWith(".tmp")) { 8343 sb.append(".tmp"); 8344 } 8345 8346 return sb.toString(); 8347 } else { 8348 return codePath; 8349 } 8350 } 8351 8352 private String getLibraryPathFromCodePath() { 8353 return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath(); 8354 } 8355 8356 @Override 8357 String getNativeLibraryPath() { 8358 if (libraryPath == null) { 8359 libraryPath = getLibraryPathFromCodePath(); 8360 } 8361 return libraryPath; 8362 } 8363 8364 private boolean cleanUp() { 8365 boolean ret = true; 8366 String sourceDir = getCodePath(); 8367 String publicSourceDir = getResourcePath(); 8368 if (sourceDir != null) { 8369 File sourceFile = new File(sourceDir); 8370 if (!sourceFile.exists()) { 8371 Slog.w(TAG, "Package source " + sourceDir + " does not exist."); 8372 ret = false; 8373 } 8374 // Delete application's code and resources 8375 sourceFile.delete(); 8376 } 8377 if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { 8378 final File publicSourceFile = new File(publicSourceDir); 8379 if (!publicSourceFile.exists()) { 8380 Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); 8381 } 8382 if (publicSourceFile.exists()) { 8383 publicSourceFile.delete(); 8384 } 8385 } 8386 8387 if (libraryPath != null) { 8388 File nativeLibraryFile = new File(libraryPath); 8389 NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile); 8390 if (!nativeLibraryFile.delete()) { 8391 Slog.w(TAG, "Couldn't delete native library directory " + libraryPath); 8392 } 8393 } 8394 8395 return ret; 8396 } 8397 8398 void cleanUpResourcesLI() { 8399 String sourceDir = getCodePath(); 8400 if (cleanUp()) { 8401 int retCode = mInstaller.rmdex(sourceDir); 8402 if (retCode < 0) { 8403 Slog.w(TAG, "Couldn't remove dex file for package: " 8404 + " at location " 8405 + sourceDir + ", retcode=" + retCode); 8406 // we don't consider this to be a failure of the core package deletion 8407 } 8408 } 8409 } 8410 8411 private boolean setPermissions() { 8412 // TODO Do this in a more elegant way later on. for now just a hack 8413 if (!isFwdLocked()) { 8414 final int filePermissions = 8415 FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP 8416 |FileUtils.S_IROTH; 8417 int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); 8418 if (retCode != 0) { 8419 Slog.e(TAG, "Couldn't set new package file permissions for " + 8420 getCodePath() 8421 + ". The return code was: " + retCode); 8422 // TODO Define new internal error 8423 return false; 8424 } 8425 return true; 8426 } 8427 return true; 8428 } 8429 8430 boolean doPostDeleteLI(boolean delete) { 8431 // XXX err, shouldn't we respect the delete flag? 8432 cleanUpResourcesLI(); 8433 return true; 8434 } 8435 } 8436 8437 private boolean isAsecExternal(String cid) { 8438 final String asecPath = PackageHelper.getSdFilesystem(cid); 8439 return !asecPath.startsWith(mAsecInternalPath); 8440 } 8441 8442 /** 8443 * Extract the MountService "container ID" from the full code path of an 8444 * .apk. 8445 */ 8446 static String cidFromCodePath(String fullCodePath) { 8447 int eidx = fullCodePath.lastIndexOf("/"); 8448 String subStr1 = fullCodePath.substring(0, eidx); 8449 int sidx = subStr1.lastIndexOf("/"); 8450 return subStr1.substring(sidx+1, eidx); 8451 } 8452 8453 class AsecInstallArgs extends InstallArgs { 8454 static final String RES_FILE_NAME = "pkg.apk"; 8455 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 8456 8457 String cid; 8458 String packagePath; 8459 String resourcePath; 8460 String libraryPath; 8461 8462 AsecInstallArgs(InstallParams params) { 8463 super(params.getPackageUri(), params.observer, params.flags, 8464 params.installerPackageName, params.getManifestDigest(), 8465 params.getUser()); 8466 } 8467 8468 AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath, 8469 boolean isExternal, boolean isForwardLocked) { 8470 super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8471 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8472 null, null, null); 8473 // Extract cid from fullCodePath 8474 int eidx = fullCodePath.lastIndexOf("/"); 8475 String subStr1 = fullCodePath.substring(0, eidx); 8476 int sidx = subStr1.lastIndexOf("/"); 8477 cid = subStr1.substring(sidx+1, eidx); 8478 setCachePath(subStr1); 8479 } 8480 8481 AsecInstallArgs(String cid, boolean isForwardLocked) { 8482 super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0) 8483 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8484 null, null, null); 8485 this.cid = cid; 8486 setCachePath(PackageHelper.getSdDir(cid)); 8487 } 8488 8489 AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) { 8490 super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0) 8491 | (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0), 8492 null, null, null); 8493 this.cid = cid; 8494 } 8495 8496 void createCopyFile() { 8497 cid = getTempContainerId(); 8498 } 8499 8500 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 8501 try { 8502 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8503 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8504 return imcs.checkExternalFreeStorage(packageURI, isFwdLocked()); 8505 } finally { 8506 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8507 } 8508 } 8509 8510 private final boolean isExternal() { 8511 return (flags & PackageManager.INSTALL_EXTERNAL) != 0; 8512 } 8513 8514 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 8515 if (temp) { 8516 createCopyFile(); 8517 } else { 8518 /* 8519 * Pre-emptively destroy the container since it's destroyed if 8520 * copying fails due to it existing anyway. 8521 */ 8522 PackageHelper.destroySdDir(cid); 8523 } 8524 8525 final String newCachePath; 8526 try { 8527 mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, 8528 Intent.FLAG_GRANT_READ_URI_PERMISSION); 8529 newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), 8530 RES_FILE_NAME, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked()); 8531 } finally { 8532 mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); 8533 } 8534 8535 if (newCachePath != null) { 8536 setCachePath(newCachePath); 8537 return PackageManager.INSTALL_SUCCEEDED; 8538 } else { 8539 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8540 } 8541 } 8542 8543 @Override 8544 String getCodePath() { 8545 return packagePath; 8546 } 8547 8548 @Override 8549 String getResourcePath() { 8550 return resourcePath; 8551 } 8552 8553 @Override 8554 String getNativeLibraryPath() { 8555 return libraryPath; 8556 } 8557 8558 int doPreInstall(int status) { 8559 if (status != PackageManager.INSTALL_SUCCEEDED) { 8560 // Destroy container 8561 PackageHelper.destroySdDir(cid); 8562 } else { 8563 boolean mounted = PackageHelper.isContainerMounted(cid); 8564 if (!mounted) { 8565 String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), 8566 Process.SYSTEM_UID); 8567 if (newCachePath != null) { 8568 setCachePath(newCachePath); 8569 } else { 8570 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8571 } 8572 } 8573 } 8574 return status; 8575 } 8576 8577 boolean doRename(int status, final String pkgName, 8578 String oldCodePath) { 8579 String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); 8580 String newCachePath = null; 8581 if (PackageHelper.isContainerMounted(cid)) { 8582 // Unmount the container 8583 if (!PackageHelper.unMountSdDir(cid)) { 8584 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 8585 return false; 8586 } 8587 } 8588 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8589 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 8590 " which might be stale. Will try to clean up."); 8591 // Clean up the stale container and proceed to recreate. 8592 if (!PackageHelper.destroySdDir(newCacheId)) { 8593 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 8594 return false; 8595 } 8596 // Successfully cleaned up stale container. Try to rename again. 8597 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 8598 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 8599 + " inspite of cleaning it up."); 8600 return false; 8601 } 8602 } 8603 if (!PackageHelper.isContainerMounted(newCacheId)) { 8604 Slog.w(TAG, "Mounting container " + newCacheId); 8605 newCachePath = PackageHelper.mountSdDir(newCacheId, 8606 getEncryptKey(), Process.SYSTEM_UID); 8607 } else { 8608 newCachePath = PackageHelper.getSdDir(newCacheId); 8609 } 8610 if (newCachePath == null) { 8611 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 8612 return false; 8613 } 8614 Log.i(TAG, "Succesfully renamed " + cid + 8615 " to " + newCacheId + 8616 " at new path: " + newCachePath); 8617 cid = newCacheId; 8618 setCachePath(newCachePath); 8619 return true; 8620 } 8621 8622 private void setCachePath(String newCachePath) { 8623 File cachePath = new File(newCachePath); 8624 libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); 8625 packagePath = new File(cachePath, RES_FILE_NAME).getPath(); 8626 8627 if (isFwdLocked()) { 8628 resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath(); 8629 } else { 8630 resourcePath = packagePath; 8631 } 8632 } 8633 8634 int doPostInstall(int status, int uid) { 8635 if (status != PackageManager.INSTALL_SUCCEEDED) { 8636 cleanUp(); 8637 } else { 8638 final int groupOwner; 8639 final String protectedFile; 8640 if (isFwdLocked()) { 8641 groupOwner = UserHandle.getSharedAppGid(uid); 8642 protectedFile = RES_FILE_NAME; 8643 } else { 8644 groupOwner = -1; 8645 protectedFile = null; 8646 } 8647 8648 if (uid < Process.FIRST_APPLICATION_UID 8649 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 8650 Slog.e(TAG, "Failed to finalize " + cid); 8651 PackageHelper.destroySdDir(cid); 8652 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8653 } 8654 8655 boolean mounted = PackageHelper.isContainerMounted(cid); 8656 if (!mounted) { 8657 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 8658 } 8659 } 8660 return status; 8661 } 8662 8663 private void cleanUp() { 8664 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 8665 8666 // Destroy secure container 8667 PackageHelper.destroySdDir(cid); 8668 } 8669 8670 void cleanUpResourcesLI() { 8671 String sourceFile = getCodePath(); 8672 // Remove dex file 8673 int retCode = mInstaller.rmdex(sourceFile); 8674 if (retCode < 0) { 8675 Slog.w(TAG, "Couldn't remove dex file for package: " 8676 + " at location " 8677 + sourceFile.toString() + ", retcode=" + retCode); 8678 // we don't consider this to be a failure of the core package deletion 8679 } 8680 cleanUp(); 8681 } 8682 8683 boolean matchContainer(String app) { 8684 if (cid.startsWith(app)) { 8685 return true; 8686 } 8687 return false; 8688 } 8689 8690 String getPackageName() { 8691 return getAsecPackageName(cid); 8692 } 8693 8694 boolean doPostDeleteLI(boolean delete) { 8695 boolean ret = false; 8696 boolean mounted = PackageHelper.isContainerMounted(cid); 8697 if (mounted) { 8698 // Unmount first 8699 ret = PackageHelper.unMountSdDir(cid); 8700 } 8701 if (ret && delete) { 8702 cleanUpResourcesLI(); 8703 } 8704 return ret; 8705 } 8706 8707 @Override 8708 int doPreCopy() { 8709 if (isFwdLocked()) { 8710 if (!PackageHelper.fixSdPermissions(cid, 8711 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 8712 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8713 } 8714 } 8715 8716 return PackageManager.INSTALL_SUCCEEDED; 8717 } 8718 8719 @Override 8720 int doPostCopy(int uid) { 8721 if (isFwdLocked()) { 8722 if (uid < Process.FIRST_APPLICATION_UID 8723 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 8724 RES_FILE_NAME)) { 8725 Slog.e(TAG, "Failed to finalize " + cid); 8726 PackageHelper.destroySdDir(cid); 8727 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 8728 } 8729 } 8730 8731 return PackageManager.INSTALL_SUCCEEDED; 8732 } 8733 }; 8734 8735 static String getAsecPackageName(String packageCid) { 8736 int idx = packageCid.lastIndexOf("-"); 8737 if (idx == -1) { 8738 return packageCid; 8739 } 8740 return packageCid.substring(0, idx); 8741 } 8742 8743 // Utility method used to create code paths based on package name and available index. 8744 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 8745 String idxStr = ""; 8746 int idx = 1; 8747 // Fall back to default value of idx=1 if prefix is not 8748 // part of oldCodePath 8749 if (oldCodePath != null) { 8750 String subStr = oldCodePath; 8751 // Drop the suffix right away 8752 if (subStr.endsWith(suffix)) { 8753 subStr = subStr.substring(0, subStr.length() - suffix.length()); 8754 } 8755 // If oldCodePath already contains prefix find out the 8756 // ending index to either increment or decrement. 8757 int sidx = subStr.lastIndexOf(prefix); 8758 if (sidx != -1) { 8759 subStr = subStr.substring(sidx + prefix.length()); 8760 if (subStr != null) { 8761 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 8762 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 8763 } 8764 try { 8765 idx = Integer.parseInt(subStr); 8766 if (idx <= 1) { 8767 idx++; 8768 } else { 8769 idx--; 8770 } 8771 } catch(NumberFormatException e) { 8772 } 8773 } 8774 } 8775 } 8776 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 8777 return prefix + idxStr; 8778 } 8779 8780 // Utility method used to ignore ADD/REMOVE events 8781 // by directory observer. 8782 private static boolean ignoreCodePath(String fullPathStr) { 8783 String apkName = getApkName(fullPathStr); 8784 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 8785 if (idx != -1 && ((idx+1) < apkName.length())) { 8786 // Make sure the package ends with a numeral 8787 String version = apkName.substring(idx+1); 8788 try { 8789 Integer.parseInt(version); 8790 return true; 8791 } catch (NumberFormatException e) {} 8792 } 8793 return false; 8794 } 8795 8796 // Utility method that returns the relative package path with respect 8797 // to the installation directory. Like say for /data/data/com.test-1.apk 8798 // string com.test-1 is returned. 8799 static String getApkName(String codePath) { 8800 if (codePath == null) { 8801 return null; 8802 } 8803 int sidx = codePath.lastIndexOf("/"); 8804 int eidx = codePath.lastIndexOf("."); 8805 if (eidx == -1) { 8806 eidx = codePath.length(); 8807 } else if (eidx == 0) { 8808 Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); 8809 return null; 8810 } 8811 return codePath.substring(sidx+1, eidx); 8812 } 8813 8814 class PackageInstalledInfo { 8815 String name; 8816 int uid; 8817 // The set of users that originally had this package installed. 8818 int[] origUsers; 8819 // The set of users that now have this package installed. 8820 int[] newUsers; 8821 PackageParser.Package pkg; 8822 int returnCode; 8823 PackageRemovedInfo removedInfo; 8824 } 8825 8826 /* 8827 * Install a non-existing package. 8828 */ 8829 private void installNewPackageLI(PackageParser.Package pkg, 8830 int parseFlags, int scanMode, UserHandle user, 8831 String installerPackageName, PackageInstalledInfo res) { 8832 // Remember this for later, in case we need to rollback this install 8833 String pkgName = pkg.packageName; 8834 8835 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 8836 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 8837 synchronized(mPackages) { 8838 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 8839 // A package with the same name is already installed, though 8840 // it has been renamed to an older name. The package we 8841 // are trying to install should be installed as an update to 8842 // the existing one, but that has not been requested, so bail. 8843 Slog.w(TAG, "Attempt to re-install " + pkgName 8844 + " without first uninstalling package running as " 8845 + mSettings.mRenamedPackages.get(pkgName)); 8846 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8847 return; 8848 } 8849 if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { 8850 // Don't allow installation over an existing package with the same name. 8851 Slog.w(TAG, "Attempt to re-install " + pkgName 8852 + " without first uninstalling."); 8853 res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8854 return; 8855 } 8856 } 8857 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8858 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, 8859 System.currentTimeMillis(), user); 8860 if (newPackage == null) { 8861 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8862 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8863 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8864 } 8865 } else { 8866 updateSettingsLI(newPackage, 8867 installerPackageName, 8868 null, null, 8869 res); 8870 // delete the partially installed application. the data directory will have to be 8871 // restored if it was already existing 8872 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8873 // remove package from internal structures. Note that we want deletePackageX to 8874 // delete the package data and cache directories that it created in 8875 // scanPackageLocked, unless those directories existed before we even tried to 8876 // install. 8877 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 8878 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 8879 res.removedInfo, true); 8880 } 8881 } 8882 } 8883 8884 private void replacePackageLI(PackageParser.Package pkg, 8885 int parseFlags, int scanMode, UserHandle user, 8886 String installerPackageName, PackageInstalledInfo res) { 8887 8888 PackageParser.Package oldPackage; 8889 String pkgName = pkg.packageName; 8890 int[] allUsers; 8891 boolean[] perUserInstalled; 8892 8893 // First find the old package info and check signatures 8894 synchronized(mPackages) { 8895 oldPackage = mPackages.get(pkgName); 8896 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 8897 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 8898 != PackageManager.SIGNATURE_MATCH) { 8899 Slog.w(TAG, "New package has a different signature: " + pkgName); 8900 res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 8901 return; 8902 } 8903 8904 // In case of rollback, remember per-user/profile install state 8905 PackageSetting ps = mSettings.mPackages.get(pkgName); 8906 allUsers = sUserManager.getUserIds(); 8907 perUserInstalled = new boolean[allUsers.length]; 8908 for (int i = 0; i < allUsers.length; i++) { 8909 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 8910 } 8911 } 8912 boolean sysPkg = (isSystemApp(oldPackage)); 8913 if (sysPkg) { 8914 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8915 user, allUsers, perUserInstalled, installerPackageName, res); 8916 } else { 8917 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, 8918 user, allUsers, perUserInstalled, installerPackageName, res); 8919 } 8920 } 8921 8922 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 8923 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 8924 int[] allUsers, boolean[] perUserInstalled, 8925 String installerPackageName, PackageInstalledInfo res) { 8926 PackageParser.Package newPackage = null; 8927 String pkgName = deletedPackage.packageName; 8928 boolean deletedPkg = true; 8929 boolean updatedSettings = false; 8930 8931 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 8932 + deletedPackage); 8933 long origUpdateTime; 8934 if (pkg.mExtras != null) { 8935 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 8936 } else { 8937 origUpdateTime = 0; 8938 } 8939 8940 // First delete the existing package while retaining the data directory 8941 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 8942 res.removedInfo, true)) { 8943 // If the existing package wasn't successfully deleted 8944 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 8945 deletedPkg = false; 8946 } else { 8947 // Successfully deleted the old package. Now proceed with re-installation 8948 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 8949 newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, 8950 System.currentTimeMillis(), user); 8951 if (newPackage == null) { 8952 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 8953 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 8954 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 8955 } 8956 } else { 8957 updateSettingsLI(newPackage, 8958 installerPackageName, 8959 allUsers, perUserInstalled, 8960 res); 8961 updatedSettings = true; 8962 } 8963 } 8964 8965 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 8966 // remove package from internal structures. Note that we want deletePackageX to 8967 // delete the package data and cache directories that it created in 8968 // scanPackageLocked, unless those directories existed before we even tried to 8969 // install. 8970 if(updatedSettings) { 8971 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 8972 deletePackageLI( 8973 pkgName, null, true, allUsers, perUserInstalled, 8974 PackageManager.DELETE_KEEP_DATA, 8975 res.removedInfo, true); 8976 } 8977 // Since we failed to install the new package we need to restore the old 8978 // package that we deleted. 8979 if(deletedPkg) { 8980 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 8981 File restoreFile = new File(deletedPackage.mPath); 8982 // Parse old package 8983 boolean oldOnSd = isExternal(deletedPackage); 8984 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 8985 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 8986 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 8987 int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE 8988 | SCAN_UPDATE_TIME; 8989 if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, 8990 origUpdateTime, null) == null) { 8991 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); 8992 return; 8993 } 8994 // Restore of old package succeeded. Update permissions. 8995 // writer 8996 synchronized (mPackages) { 8997 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 8998 UPDATE_PERMISSIONS_ALL); 8999 // can downgrade to reader 9000 mSettings.writeLPr(); 9001 } 9002 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 9003 } 9004 } 9005 } 9006 9007 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 9008 PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user, 9009 int[] allUsers, boolean[] perUserInstalled, 9010 String installerPackageName, PackageInstalledInfo res) { 9011 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 9012 + ", old=" + deletedPackage); 9013 PackageParser.Package newPackage = null; 9014 boolean updatedSettings = false; 9015 parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | 9016 PackageParser.PARSE_IS_SYSTEM; 9017 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 9018 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9019 } 9020 String packageName = deletedPackage.packageName; 9021 res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 9022 if (packageName == null) { 9023 Slog.w(TAG, "Attempt to delete null packageName."); 9024 return; 9025 } 9026 PackageParser.Package oldPkg; 9027 PackageSetting oldPkgSetting; 9028 // reader 9029 synchronized (mPackages) { 9030 oldPkg = mPackages.get(packageName); 9031 oldPkgSetting = mSettings.mPackages.get(packageName); 9032 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 9033 (oldPkgSetting == null)) { 9034 Slog.w(TAG, "Couldn't find package:"+packageName+" information"); 9035 return; 9036 } 9037 } 9038 9039 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 9040 9041 res.removedInfo.uid = oldPkg.applicationInfo.uid; 9042 res.removedInfo.removedPackage = packageName; 9043 // Remove existing system package 9044 removePackageLI(oldPkgSetting, true); 9045 // writer 9046 synchronized (mPackages) { 9047 if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { 9048 // We didn't need to disable the .apk as a current system package, 9049 // which means we are replacing another update that is already 9050 // installed. We need to make sure to delete the older one's .apk. 9051 res.removedInfo.args = createInstallArgs(0, 9052 deletedPackage.applicationInfo.sourceDir, 9053 deletedPackage.applicationInfo.publicSourceDir, 9054 deletedPackage.applicationInfo.nativeLibraryDir); 9055 } else { 9056 res.removedInfo.args = null; 9057 } 9058 } 9059 9060 // Successfully disabled the old package. Now proceed with re-installation 9061 mLastScanError = PackageManager.INSTALL_SUCCEEDED; 9062 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9063 newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0, user); 9064 if (newPackage == null) { 9065 Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); 9066 if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { 9067 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; 9068 } 9069 } else { 9070 if (newPackage.mExtras != null) { 9071 final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; 9072 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 9073 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 9074 } 9075 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 9076 updatedSettings = true; 9077 } 9078 9079 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 9080 // Re installation failed. Restore old information 9081 // Remove new pkg information 9082 if (newPackage != null) { 9083 removeInstalledPackageLI(newPackage, true); 9084 } 9085 // Add back the old system package 9086 scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user); 9087 // Restore the old system information in Settings 9088 synchronized(mPackages) { 9089 if (updatedSettings) { 9090 mSettings.enableSystemPackageLPw(packageName); 9091 mSettings.setInstallerPackageName(packageName, 9092 oldPkgSetting.installerPackageName); 9093 } 9094 mSettings.writeLPr(); 9095 } 9096 } 9097 } 9098 9099 // Utility method used to move dex files during install. 9100 private int moveDexFilesLI(PackageParser.Package newPackage) { 9101 int retCode; 9102 if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { 9103 retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); 9104 if (retCode != 0) { 9105 if (mNoDexOpt) { 9106 /* 9107 * If we're in an engineering build, programs are lazily run 9108 * through dexopt. If the .dex file doesn't exist yet, it 9109 * will be created when the program is run next. 9110 */ 9111 Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); 9112 } else { 9113 Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); 9114 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9115 } 9116 } 9117 } 9118 return PackageManager.INSTALL_SUCCEEDED; 9119 } 9120 9121 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 9122 int[] allUsers, boolean[] perUserInstalled, 9123 PackageInstalledInfo res) { 9124 String pkgName = newPackage.packageName; 9125 synchronized (mPackages) { 9126 //write settings. the installStatus will be incomplete at this stage. 9127 //note that the new package setting would have already been 9128 //added to mPackages. It hasn't been persisted yet. 9129 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 9130 mSettings.writeLPr(); 9131 } 9132 9133 if ((res.returnCode = moveDexFilesLI(newPackage)) 9134 != PackageManager.INSTALL_SUCCEEDED) { 9135 // Discontinue if moving dex files failed. 9136 return; 9137 } 9138 9139 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.mPath); 9140 9141 synchronized (mPackages) { 9142 updatePermissionsLPw(newPackage.packageName, newPackage, 9143 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 9144 ? UPDATE_PERMISSIONS_ALL : 0)); 9145 // For system-bundled packages, we assume that installing an upgraded version 9146 // of the package implies that the user actually wants to run that new code, 9147 // so we enable the package. 9148 if (isSystemApp(newPackage)) { 9149 // NB: implicit assumption that system package upgrades apply to all users 9150 if (DEBUG_INSTALL) { 9151 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 9152 } 9153 PackageSetting ps = mSettings.mPackages.get(pkgName); 9154 if (ps != null) { 9155 if (res.origUsers != null) { 9156 for (int userHandle : res.origUsers) { 9157 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 9158 userHandle, installerPackageName); 9159 } 9160 } 9161 // Also convey the prior install/uninstall state 9162 if (allUsers != null && perUserInstalled != null) { 9163 for (int i = 0; i < allUsers.length; i++) { 9164 if (DEBUG_INSTALL) { 9165 Slog.d(TAG, " user " + allUsers[i] 9166 + " => " + perUserInstalled[i]); 9167 } 9168 ps.setInstalled(perUserInstalled[i], allUsers[i]); 9169 } 9170 // these install state changes will be persisted in the 9171 // upcoming call to mSettings.writeLPr(). 9172 } 9173 } 9174 } 9175 res.name = pkgName; 9176 res.uid = newPackage.applicationInfo.uid; 9177 res.pkg = newPackage; 9178 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 9179 mSettings.setInstallerPackageName(pkgName, installerPackageName); 9180 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9181 //to update install status 9182 mSettings.writeLPr(); 9183 } 9184 } 9185 9186 private void installPackageLI(InstallArgs args, 9187 boolean newInstall, PackageInstalledInfo res) { 9188 int pFlags = args.flags; 9189 String installerPackageName = args.installerPackageName; 9190 File tmpPackageFile = new File(args.getCodePath()); 9191 boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 9192 boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); 9193 boolean replace = false; 9194 int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE 9195 | (newInstall ? SCAN_NEW_INSTALL : 0); 9196 // Result object to be returned 9197 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 9198 9199 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 9200 // Retrieve PackageSettings and parse package 9201 int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 9202 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 9203 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 9204 PackageParser pp = new PackageParser(tmpPackageFile.getPath()); 9205 pp.setSeparateProcesses(mSeparateProcesses); 9206 final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, 9207 null, mMetrics, parseFlags); 9208 if (pkg == null) { 9209 res.returnCode = pp.getParseError(); 9210 return; 9211 } 9212 String pkgName = res.name = pkg.packageName; 9213 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 9214 if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { 9215 res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; 9216 return; 9217 } 9218 } 9219 if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { 9220 res.returnCode = pp.getParseError(); 9221 return; 9222 } 9223 9224 /* If the installer passed in a manifest digest, compare it now. */ 9225 if (args.manifestDigest != null) { 9226 if (DEBUG_INSTALL) { 9227 final String parsedManifest = pkg.manifestDigest == null ? "null" 9228 : pkg.manifestDigest.toString(); 9229 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 9230 + parsedManifest); 9231 } 9232 9233 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 9234 res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 9235 return; 9236 } 9237 } else if (DEBUG_INSTALL) { 9238 final String parsedManifest = pkg.manifestDigest == null 9239 ? "null" : pkg.manifestDigest.toString(); 9240 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 9241 } 9242 9243 // Get rid of all references to package scan path via parser. 9244 pp = null; 9245 String oldCodePath = null; 9246 boolean systemApp = false; 9247 synchronized (mPackages) { 9248 // Check if installing already existing package 9249 if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 9250 String oldName = mSettings.mRenamedPackages.get(pkgName); 9251 if (pkg.mOriginalPackages != null 9252 && pkg.mOriginalPackages.contains(oldName) 9253 && mPackages.containsKey(oldName)) { 9254 // This package is derived from an original package, 9255 // and this device has been updating from that original 9256 // name. We must continue using the original name, so 9257 // rename the new package here. 9258 pkg.setPackageName(oldName); 9259 pkgName = pkg.packageName; 9260 replace = true; 9261 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 9262 + oldName + " pkgName=" + pkgName); 9263 } else if (mPackages.containsKey(pkgName)) { 9264 // This package, under its official name, already exists 9265 // on the device; we should replace it. 9266 replace = true; 9267 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 9268 } 9269 } 9270 PackageSetting ps = mSettings.mPackages.get(pkgName); 9271 if (ps != null) { 9272 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 9273 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 9274 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 9275 systemApp = (ps.pkg.applicationInfo.flags & 9276 ApplicationInfo.FLAG_SYSTEM) != 0; 9277 } 9278 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9279 } 9280 } 9281 9282 if (systemApp && onSd) { 9283 // Disable updates to system apps on sdcard 9284 Slog.w(TAG, "Cannot install updates to system apps on sdcard"); 9285 res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 9286 return; 9287 } 9288 9289 if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { 9290 res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9291 return; 9292 } 9293 // Set application objects path explicitly after the rename 9294 setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); 9295 pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); 9296 if (replace) { 9297 replacePackageLI(pkg, parseFlags, scanMode, args.user, 9298 installerPackageName, res); 9299 } else { 9300 installNewPackageLI(pkg, parseFlags, scanMode | SCAN_DELETE_DATA_ON_FAILURES, args.user, 9301 installerPackageName, res); 9302 } 9303 synchronized (mPackages) { 9304 final PackageSetting ps = mSettings.mPackages.get(pkgName); 9305 if (ps != null) { 9306 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 9307 } 9308 } 9309 } 9310 9311 private static boolean isForwardLocked(PackageParser.Package pkg) { 9312 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9313 } 9314 9315 9316 private boolean isForwardLocked(PackageSetting ps) { 9317 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 9318 } 9319 9320 private static boolean isExternal(PackageParser.Package pkg) { 9321 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9322 } 9323 9324 private static boolean isExternal(PackageSetting ps) { 9325 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 9326 } 9327 9328 private static boolean isSystemApp(PackageParser.Package pkg) { 9329 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9330 } 9331 9332 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 9333 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 9334 } 9335 9336 private static boolean isSystemApp(ApplicationInfo info) { 9337 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 9338 } 9339 9340 private static boolean isSystemApp(PackageSetting ps) { 9341 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 9342 } 9343 9344 private static boolean isUpdatedSystemApp(PackageSetting ps) { 9345 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9346 } 9347 9348 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 9349 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 9350 } 9351 9352 private int packageFlagsToInstallFlags(PackageSetting ps) { 9353 int installFlags = 0; 9354 if (isExternal(ps)) { 9355 installFlags |= PackageManager.INSTALL_EXTERNAL; 9356 } 9357 if (isForwardLocked(ps)) { 9358 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 9359 } 9360 return installFlags; 9361 } 9362 9363 private void deleteTempPackageFiles() { 9364 final FilenameFilter filter = new FilenameFilter() { 9365 public boolean accept(File dir, String name) { 9366 return name.startsWith("vmdl") && name.endsWith(".tmp"); 9367 } 9368 }; 9369 deleteTempPackageFilesInDirectory(mAppInstallDir, filter); 9370 deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter); 9371 } 9372 9373 private static final void deleteTempPackageFilesInDirectory(File directory, 9374 FilenameFilter filter) { 9375 final String[] tmpFilesList = directory.list(filter); 9376 if (tmpFilesList == null) { 9377 return; 9378 } 9379 for (int i = 0; i < tmpFilesList.length; i++) { 9380 final File tmpFile = new File(directory, tmpFilesList[i]); 9381 tmpFile.delete(); 9382 } 9383 } 9384 9385 private File createTempPackageFile(File installDir) { 9386 File tmpPackageFile; 9387 try { 9388 tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); 9389 } catch (IOException e) { 9390 Slog.e(TAG, "Couldn't create temp file for downloaded package file."); 9391 return null; 9392 } 9393 try { 9394 FileUtils.setPermissions( 9395 tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, 9396 -1, -1); 9397 if (!SELinux.restorecon(tmpPackageFile)) { 9398 return null; 9399 } 9400 } catch (IOException e) { 9401 Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); 9402 return null; 9403 } 9404 return tmpPackageFile; 9405 } 9406 9407 @Override 9408 public void deletePackageAsUser(final String packageName, 9409 final IPackageDeleteObserver observer, 9410 final int userId, final int flags) { 9411 mContext.enforceCallingOrSelfPermission( 9412 android.Manifest.permission.DELETE_PACKAGES, null); 9413 final int uid = Binder.getCallingUid(); 9414 if (UserHandle.getUserId(uid) != userId) { 9415 mContext.enforceCallingPermission( 9416 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 9417 "deletePackage for user " + userId); 9418 } 9419 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 9420 try { 9421 observer.packageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED); 9422 } catch (RemoteException re) { 9423 } 9424 return; 9425 } 9426 9427 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 9428 // Queue up an async operation since the package deletion may take a little while. 9429 mHandler.post(new Runnable() { 9430 public void run() { 9431 mHandler.removeCallbacks(this); 9432 final int returnCode = deletePackageX(packageName, userId, flags); 9433 if (observer != null) { 9434 try { 9435 observer.packageDeleted(packageName, returnCode); 9436 } catch (RemoteException e) { 9437 Log.i(TAG, "Observer no longer exists."); 9438 } //end catch 9439 } //end if 9440 } //end run 9441 }); 9442 } 9443 9444 private boolean isPackageDeviceAdmin(String packageName, int userId) { 9445 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 9446 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 9447 try { 9448 if (dpm != null && (dpm.packageHasActiveAdmins(packageName, userId) 9449 || dpm.isDeviceOwner(packageName))) { 9450 return true; 9451 } 9452 } catch (RemoteException e) { 9453 } 9454 return false; 9455 } 9456 9457 /** 9458 * This method is an internal method that could be get invoked either 9459 * to delete an installed package or to clean up a failed installation. 9460 * After deleting an installed package, a broadcast is sent to notify any 9461 * listeners that the package has been installed. For cleaning up a failed 9462 * installation, the broadcast is not necessary since the package's 9463 * installation wouldn't have sent the initial broadcast either 9464 * The key steps in deleting a package are 9465 * deleting the package information in internal structures like mPackages, 9466 * deleting the packages base directories through installd 9467 * updating mSettings to reflect current status 9468 * persisting settings for later use 9469 * sending a broadcast if necessary 9470 */ 9471 private int deletePackageX(String packageName, int userId, int flags) { 9472 final PackageRemovedInfo info = new PackageRemovedInfo(); 9473 final boolean res; 9474 9475 if (isPackageDeviceAdmin(packageName, userId)) { 9476 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 9477 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 9478 } 9479 9480 boolean removedForAllUsers = false; 9481 boolean systemUpdate = false; 9482 9483 // for the uninstall-updates case and restricted profiles, remember the per- 9484 // userhandle installed state 9485 int[] allUsers; 9486 boolean[] perUserInstalled; 9487 synchronized (mPackages) { 9488 PackageSetting ps = mSettings.mPackages.get(packageName); 9489 allUsers = sUserManager.getUserIds(); 9490 perUserInstalled = new boolean[allUsers.length]; 9491 for (int i = 0; i < allUsers.length; i++) { 9492 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 9493 } 9494 } 9495 9496 synchronized (mInstallLock) { 9497 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 9498 res = deletePackageLI(packageName, 9499 (flags & PackageManager.DELETE_ALL_USERS) != 0 9500 ? UserHandle.ALL : new UserHandle(userId), 9501 true, allUsers, perUserInstalled, 9502 flags | REMOVE_CHATTY, info, true); 9503 systemUpdate = info.isRemovedPackageSystemUpdate; 9504 if (res && !systemUpdate && mPackages.get(packageName) == null) { 9505 removedForAllUsers = true; 9506 } 9507 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 9508 + " removedForAllUsers=" + removedForAllUsers); 9509 } 9510 9511 if (res) { 9512 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 9513 9514 // If the removed package was a system update, the old system package 9515 // was re-enabled; we need to broadcast this information 9516 if (systemUpdate) { 9517 Bundle extras = new Bundle(1); 9518 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 9519 ? info.removedAppId : info.uid); 9520 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9521 9522 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 9523 extras, null, null, null); 9524 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 9525 extras, null, null, null); 9526 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 9527 null, packageName, null, null); 9528 } 9529 } 9530 // Force a gc here. 9531 Runtime.getRuntime().gc(); 9532 // Delete the resources here after sending the broadcast to let 9533 // other processes clean up before deleting resources. 9534 if (info.args != null) { 9535 synchronized (mInstallLock) { 9536 info.args.doPostDeleteLI(true); 9537 } 9538 } 9539 9540 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 9541 } 9542 9543 static class PackageRemovedInfo { 9544 String removedPackage; 9545 int uid = -1; 9546 int removedAppId = -1; 9547 int[] removedUsers = null; 9548 boolean isRemovedPackageSystemUpdate = false; 9549 // Clean up resources deleted packages. 9550 InstallArgs args = null; 9551 9552 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 9553 Bundle extras = new Bundle(1); 9554 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 9555 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 9556 if (replacing) { 9557 extras.putBoolean(Intent.EXTRA_REPLACING, true); 9558 } 9559 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 9560 if (removedPackage != null) { 9561 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 9562 extras, null, null, removedUsers); 9563 if (fullRemove && !replacing) { 9564 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 9565 extras, null, null, removedUsers); 9566 } 9567 } 9568 if (removedAppId >= 0) { 9569 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 9570 removedUsers); 9571 } 9572 } 9573 } 9574 9575 /* 9576 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 9577 * flag is not set, the data directory is removed as well. 9578 * make sure this flag is set for partially installed apps. If not its meaningless to 9579 * delete a partially installed application. 9580 */ 9581 private void removePackageDataLI(PackageSetting ps, 9582 int[] allUserHandles, boolean[] perUserInstalled, 9583 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 9584 String packageName = ps.name; 9585 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 9586 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 9587 // Retrieve object to delete permissions for shared user later on 9588 final PackageSetting deletedPs; 9589 // reader 9590 synchronized (mPackages) { 9591 deletedPs = mSettings.mPackages.get(packageName); 9592 if (outInfo != null) { 9593 outInfo.removedPackage = packageName; 9594 outInfo.removedUsers = deletedPs != null 9595 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 9596 : null; 9597 } 9598 } 9599 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9600 removeDataDirsLI(packageName); 9601 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 9602 } 9603 // writer 9604 synchronized (mPackages) { 9605 if (deletedPs != null) { 9606 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 9607 if (outInfo != null) { 9608 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 9609 } 9610 if (deletedPs != null) { 9611 updatePermissionsLPw(deletedPs.name, null, 0); 9612 if (deletedPs.sharedUser != null) { 9613 // remove permissions associated with package 9614 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 9615 } 9616 } 9617 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 9618 } 9619 // make sure to preserve per-user disabled state if this removal was just 9620 // a downgrade of a system app to the factory package 9621 if (allUserHandles != null && perUserInstalled != null) { 9622 if (DEBUG_REMOVE) { 9623 Slog.d(TAG, "Propagating install state across downgrade"); 9624 } 9625 for (int i = 0; i < allUserHandles.length; i++) { 9626 if (DEBUG_REMOVE) { 9627 Slog.d(TAG, " user " + allUserHandles[i] 9628 + " => " + perUserInstalled[i]); 9629 } 9630 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9631 } 9632 } 9633 } 9634 // can downgrade to reader 9635 if (writeSettings) { 9636 // Save settings now 9637 mSettings.writeLPr(); 9638 } 9639 } 9640 if (outInfo != null) { 9641 // A user ID was deleted here. Go through all users and remove it 9642 // from KeyStore. 9643 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 9644 } 9645 } 9646 9647 static boolean locationIsPrivileged(File path) { 9648 try { 9649 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 9650 .getCanonicalPath(); 9651 return path.getCanonicalPath().startsWith(privilegedAppDir); 9652 } catch (IOException e) { 9653 Slog.e(TAG, "Unable to access code path " + path); 9654 } 9655 return false; 9656 } 9657 9658 /* 9659 * Tries to delete system package. 9660 */ 9661 private boolean deleteSystemPackageLI(PackageSetting newPs, 9662 int[] allUserHandles, boolean[] perUserInstalled, 9663 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 9664 final boolean applyUserRestrictions 9665 = (allUserHandles != null) && (perUserInstalled != null); 9666 PackageSetting disabledPs = null; 9667 // Confirm if the system package has been updated 9668 // An updated system app can be deleted. This will also have to restore 9669 // the system pkg from system partition 9670 // reader 9671 synchronized (mPackages) { 9672 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 9673 } 9674 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 9675 + " disabledPs=" + disabledPs); 9676 if (disabledPs == null) { 9677 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 9678 return false; 9679 } else if (DEBUG_REMOVE) { 9680 Slog.d(TAG, "Deleting system pkg from data partition"); 9681 } 9682 if (DEBUG_REMOVE) { 9683 if (applyUserRestrictions) { 9684 Slog.d(TAG, "Remembering install states:"); 9685 for (int i = 0; i < allUserHandles.length; i++) { 9686 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 9687 } 9688 } 9689 } 9690 // Delete the updated package 9691 outInfo.isRemovedPackageSystemUpdate = true; 9692 if (disabledPs.versionCode < newPs.versionCode) { 9693 // Delete data for downgrades 9694 flags &= ~PackageManager.DELETE_KEEP_DATA; 9695 } else { 9696 // Preserve data by setting flag 9697 flags |= PackageManager.DELETE_KEEP_DATA; 9698 } 9699 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 9700 allUserHandles, perUserInstalled, outInfo, writeSettings); 9701 if (!ret) { 9702 return false; 9703 } 9704 // writer 9705 synchronized (mPackages) { 9706 // Reinstate the old system package 9707 mSettings.enableSystemPackageLPw(newPs.name); 9708 // Remove any native libraries from the upgraded package. 9709 NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString); 9710 } 9711 // Install the system package 9712 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 9713 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 9714 if (locationIsPrivileged(disabledPs.codePath)) { 9715 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 9716 } 9717 PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath, 9718 parseFlags, SCAN_MONITOR | SCAN_NO_PATHS, 0, null); 9719 9720 if (newPkg == null) { 9721 Slog.w(TAG, "Failed to restore system package:" + newPs.name 9722 + " with error:" + mLastScanError); 9723 return false; 9724 } 9725 // writer 9726 synchronized (mPackages) { 9727 updatePermissionsLPw(newPkg.packageName, newPkg, 9728 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 9729 if (applyUserRestrictions) { 9730 if (DEBUG_REMOVE) { 9731 Slog.d(TAG, "Propagating install state across reinstall"); 9732 } 9733 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 9734 for (int i = 0; i < allUserHandles.length; i++) { 9735 if (DEBUG_REMOVE) { 9736 Slog.d(TAG, " user " + allUserHandles[i] 9737 + " => " + perUserInstalled[i]); 9738 } 9739 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 9740 } 9741 // Regardless of writeSettings we need to ensure that this restriction 9742 // state propagation is persisted 9743 mSettings.writeAllUsersPackageRestrictionsLPr(); 9744 } 9745 // can downgrade to reader here 9746 if (writeSettings) { 9747 mSettings.writeLPr(); 9748 } 9749 } 9750 return true; 9751 } 9752 9753 private boolean deleteInstalledPackageLI(PackageSetting ps, 9754 boolean deleteCodeAndResources, int flags, 9755 int[] allUserHandles, boolean[] perUserInstalled, 9756 PackageRemovedInfo outInfo, boolean writeSettings) { 9757 if (outInfo != null) { 9758 outInfo.uid = ps.appId; 9759 } 9760 9761 // Delete package data from internal structures and also remove data if flag is set 9762 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 9763 9764 // Delete application code and resources 9765 if (deleteCodeAndResources && (outInfo != null)) { 9766 outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString, 9767 ps.resourcePathString, ps.nativeLibraryPathString); 9768 } 9769 return true; 9770 } 9771 9772 /* 9773 * This method handles package deletion in general 9774 */ 9775 private boolean deletePackageLI(String packageName, UserHandle user, 9776 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 9777 int flags, PackageRemovedInfo outInfo, 9778 boolean writeSettings) { 9779 if (packageName == null) { 9780 Slog.w(TAG, "Attempt to delete null packageName."); 9781 return false; 9782 } 9783 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 9784 PackageSetting ps; 9785 boolean dataOnly = false; 9786 int removeUser = -1; 9787 int appId = -1; 9788 synchronized (mPackages) { 9789 ps = mSettings.mPackages.get(packageName); 9790 if (ps == null) { 9791 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 9792 return false; 9793 } 9794 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 9795 && user.getIdentifier() != UserHandle.USER_ALL) { 9796 // The caller is asking that the package only be deleted for a single 9797 // user. To do this, we just mark its uninstalled state and delete 9798 // its data. If this is a system app, we only allow this to happen if 9799 // they have set the special DELETE_SYSTEM_APP which requests different 9800 // semantics than normal for uninstalling system apps. 9801 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 9802 ps.setUserState(user.getIdentifier(), 9803 COMPONENT_ENABLED_STATE_DEFAULT, 9804 false, //installed 9805 true, //stopped 9806 true, //notLaunched 9807 false, //blocked 9808 null, null, null); 9809 if (!isSystemApp(ps)) { 9810 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 9811 // Other user still have this package installed, so all 9812 // we need to do is clear this user's data and save that 9813 // it is uninstalled. 9814 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 9815 removeUser = user.getIdentifier(); 9816 appId = ps.appId; 9817 mSettings.writePackageRestrictionsLPr(removeUser); 9818 } else { 9819 // We need to set it back to 'installed' so the uninstall 9820 // broadcasts will be sent correctly. 9821 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 9822 ps.setInstalled(true, user.getIdentifier()); 9823 } 9824 } else { 9825 // This is a system app, so we assume that the 9826 // other users still have this package installed, so all 9827 // we need to do is clear this user's data and save that 9828 // it is uninstalled. 9829 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 9830 removeUser = user.getIdentifier(); 9831 appId = ps.appId; 9832 mSettings.writePackageRestrictionsLPr(removeUser); 9833 } 9834 } 9835 } 9836 9837 if (removeUser >= 0) { 9838 // From above, we determined that we are deleting this only 9839 // for a single user. Continue the work here. 9840 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 9841 if (outInfo != null) { 9842 outInfo.removedPackage = packageName; 9843 outInfo.removedAppId = appId; 9844 outInfo.removedUsers = new int[] {removeUser}; 9845 } 9846 mInstaller.clearUserData(packageName, removeUser); 9847 removeKeystoreDataIfNeeded(removeUser, appId); 9848 schedulePackageCleaning(packageName, removeUser, false); 9849 return true; 9850 } 9851 9852 if (dataOnly) { 9853 // Delete application data first 9854 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 9855 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 9856 return true; 9857 } 9858 9859 boolean ret = false; 9860 mSettings.mKeySetManager.removeAppKeySetData(packageName); 9861 if (isSystemApp(ps)) { 9862 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 9863 // When an updated system application is deleted we delete the existing resources as well and 9864 // fall back to existing code in system partition 9865 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 9866 flags, outInfo, writeSettings); 9867 } else { 9868 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 9869 // Kill application pre-emptively especially for apps on sd. 9870 killApplication(packageName, ps.appId, "uninstall pkg"); 9871 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 9872 allUserHandles, perUserInstalled, 9873 outInfo, writeSettings); 9874 } 9875 9876 return ret; 9877 } 9878 9879 private final class ClearStorageConnection implements ServiceConnection { 9880 IMediaContainerService mContainerService; 9881 9882 @Override 9883 public void onServiceConnected(ComponentName name, IBinder service) { 9884 synchronized (this) { 9885 mContainerService = IMediaContainerService.Stub.asInterface(service); 9886 notifyAll(); 9887 } 9888 } 9889 9890 @Override 9891 public void onServiceDisconnected(ComponentName name) { 9892 } 9893 } 9894 9895 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 9896 final boolean mounted; 9897 if (Environment.isExternalStorageEmulated()) { 9898 mounted = true; 9899 } else { 9900 final String status = Environment.getExternalStorageState(); 9901 9902 mounted = status.equals(Environment.MEDIA_MOUNTED) 9903 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 9904 } 9905 9906 if (!mounted) { 9907 return; 9908 } 9909 9910 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 9911 int[] users; 9912 if (userId == UserHandle.USER_ALL) { 9913 users = sUserManager.getUserIds(); 9914 } else { 9915 users = new int[] { userId }; 9916 } 9917 final ClearStorageConnection conn = new ClearStorageConnection(); 9918 if (mContext.bindServiceAsUser( 9919 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 9920 try { 9921 for (int curUser : users) { 9922 long timeout = SystemClock.uptimeMillis() + 5000; 9923 synchronized (conn) { 9924 long now = SystemClock.uptimeMillis(); 9925 while (conn.mContainerService == null && now < timeout) { 9926 try { 9927 conn.wait(timeout - now); 9928 } catch (InterruptedException e) { 9929 } 9930 } 9931 } 9932 if (conn.mContainerService == null) { 9933 return; 9934 } 9935 9936 final UserEnvironment userEnv = new UserEnvironment(curUser); 9937 clearDirectory(conn.mContainerService, 9938 userEnv.buildExternalStorageAppCacheDirs(packageName)); 9939 if (allData) { 9940 clearDirectory(conn.mContainerService, 9941 userEnv.buildExternalStorageAppDataDirs(packageName)); 9942 clearDirectory(conn.mContainerService, 9943 userEnv.buildExternalStorageAppMediaDirs(packageName)); 9944 } 9945 } 9946 } finally { 9947 mContext.unbindService(conn); 9948 } 9949 } 9950 } 9951 9952 @Override 9953 public void clearApplicationUserData(final String packageName, 9954 final IPackageDataObserver observer, final int userId) { 9955 mContext.enforceCallingOrSelfPermission( 9956 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 9957 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data"); 9958 // Queue up an async operation since the package deletion may take a little while. 9959 mHandler.post(new Runnable() { 9960 public void run() { 9961 mHandler.removeCallbacks(this); 9962 final boolean succeeded; 9963 synchronized (mInstallLock) { 9964 succeeded = clearApplicationUserDataLI(packageName, userId); 9965 } 9966 clearExternalStorageDataSync(packageName, userId, true); 9967 if (succeeded) { 9968 // invoke DeviceStorageMonitor's update method to clear any notifications 9969 DeviceStorageMonitorInternal 9970 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 9971 if (dsm != null) { 9972 dsm.checkMemory(); 9973 } 9974 } 9975 if(observer != null) { 9976 try { 9977 observer.onRemoveCompleted(packageName, succeeded); 9978 } catch (RemoteException e) { 9979 Log.i(TAG, "Observer no longer exists."); 9980 } 9981 } //end if observer 9982 } //end run 9983 }); 9984 } 9985 9986 private boolean clearApplicationUserDataLI(String packageName, int userId) { 9987 if (packageName == null) { 9988 Slog.w(TAG, "Attempt to delete null packageName."); 9989 return false; 9990 } 9991 PackageParser.Package p; 9992 boolean dataOnly = false; 9993 final int appId; 9994 synchronized (mPackages) { 9995 p = mPackages.get(packageName); 9996 if (p == null) { 9997 dataOnly = true; 9998 PackageSetting ps = mSettings.mPackages.get(packageName); 9999 if ((ps == null) || (ps.pkg == null)) { 10000 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10001 return false; 10002 } 10003 p = ps.pkg; 10004 } 10005 if (!dataOnly) { 10006 // need to check this only for fully installed applications 10007 if (p == null) { 10008 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 10009 return false; 10010 } 10011 final ApplicationInfo applicationInfo = p.applicationInfo; 10012 if (applicationInfo == null) { 10013 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10014 return false; 10015 } 10016 } 10017 if (p != null && p.applicationInfo != null) { 10018 appId = p.applicationInfo.uid; 10019 } else { 10020 appId = -1; 10021 } 10022 } 10023 int retCode = mInstaller.clearUserData(packageName, userId); 10024 if (retCode < 0) { 10025 Slog.w(TAG, "Couldn't remove cache files for package: " 10026 + packageName); 10027 return false; 10028 } 10029 removeKeystoreDataIfNeeded(userId, appId); 10030 return true; 10031 } 10032 10033 /** 10034 * Remove entries from the keystore daemon. Will only remove it if the 10035 * {@code appId} is valid. 10036 */ 10037 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 10038 if (appId < 0) { 10039 return; 10040 } 10041 10042 final KeyStore keyStore = KeyStore.getInstance(); 10043 if (keyStore != null) { 10044 if (userId == UserHandle.USER_ALL) { 10045 for (final int individual : sUserManager.getUserIds()) { 10046 keyStore.clearUid(UserHandle.getUid(individual, appId)); 10047 } 10048 } else { 10049 keyStore.clearUid(UserHandle.getUid(userId, appId)); 10050 } 10051 } else { 10052 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 10053 } 10054 } 10055 10056 public void deleteApplicationCacheFiles(final String packageName, 10057 final IPackageDataObserver observer) { 10058 mContext.enforceCallingOrSelfPermission( 10059 android.Manifest.permission.DELETE_CACHE_FILES, null); 10060 // Queue up an async operation since the package deletion may take a little while. 10061 final int userId = UserHandle.getCallingUserId(); 10062 mHandler.post(new Runnable() { 10063 public void run() { 10064 mHandler.removeCallbacks(this); 10065 final boolean succeded; 10066 synchronized (mInstallLock) { 10067 succeded = deleteApplicationCacheFilesLI(packageName, userId); 10068 } 10069 clearExternalStorageDataSync(packageName, userId, false); 10070 if(observer != null) { 10071 try { 10072 observer.onRemoveCompleted(packageName, succeded); 10073 } catch (RemoteException e) { 10074 Log.i(TAG, "Observer no longer exists."); 10075 } 10076 } //end if observer 10077 } //end run 10078 }); 10079 } 10080 10081 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 10082 if (packageName == null) { 10083 Slog.w(TAG, "Attempt to delete null packageName."); 10084 return false; 10085 } 10086 PackageParser.Package p; 10087 synchronized (mPackages) { 10088 p = mPackages.get(packageName); 10089 } 10090 if (p == null) { 10091 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10092 return false; 10093 } 10094 final ApplicationInfo applicationInfo = p.applicationInfo; 10095 if (applicationInfo == null) { 10096 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10097 return false; 10098 } 10099 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 10100 if (retCode < 0) { 10101 Slog.w(TAG, "Couldn't remove cache files for package: " 10102 + packageName + " u" + userId); 10103 return false; 10104 } 10105 return true; 10106 } 10107 10108 public void getPackageSizeInfo(final String packageName, int userHandle, 10109 final IPackageStatsObserver observer) { 10110 mContext.enforceCallingOrSelfPermission( 10111 android.Manifest.permission.GET_PACKAGE_SIZE, null); 10112 10113 PackageStats stats = new PackageStats(packageName, userHandle); 10114 10115 /* 10116 * Queue up an async operation since the package measurement may take a 10117 * little while. 10118 */ 10119 Message msg = mHandler.obtainMessage(INIT_COPY); 10120 msg.obj = new MeasureParams(stats, observer); 10121 mHandler.sendMessage(msg); 10122 } 10123 10124 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 10125 PackageStats pStats) { 10126 if (packageName == null) { 10127 Slog.w(TAG, "Attempt to get size of null packageName."); 10128 return false; 10129 } 10130 PackageParser.Package p; 10131 boolean dataOnly = false; 10132 String libDirPath = null; 10133 String asecPath = null; 10134 synchronized (mPackages) { 10135 p = mPackages.get(packageName); 10136 PackageSetting ps = mSettings.mPackages.get(packageName); 10137 if(p == null) { 10138 dataOnly = true; 10139 if((ps == null) || (ps.pkg == null)) { 10140 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 10141 return false; 10142 } 10143 p = ps.pkg; 10144 } 10145 if (ps != null) { 10146 libDirPath = ps.nativeLibraryPathString; 10147 } 10148 if (p != null && (isExternal(p) || isForwardLocked(p))) { 10149 String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); 10150 if (secureContainerId != null) { 10151 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 10152 } 10153 } 10154 } 10155 String publicSrcDir = null; 10156 if(!dataOnly) { 10157 final ApplicationInfo applicationInfo = p.applicationInfo; 10158 if (applicationInfo == null) { 10159 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 10160 return false; 10161 } 10162 if (isForwardLocked(p)) { 10163 publicSrcDir = applicationInfo.publicSourceDir; 10164 } 10165 } 10166 int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, libDirPath, 10167 publicSrcDir, asecPath, pStats); 10168 if (res < 0) { 10169 return false; 10170 } 10171 10172 // Fix-up for forward-locked applications in ASEC containers. 10173 if (!isExternal(p)) { 10174 pStats.codeSize += pStats.externalCodeSize; 10175 pStats.externalCodeSize = 0L; 10176 } 10177 10178 return true; 10179 } 10180 10181 10182 public void addPackageToPreferred(String packageName) { 10183 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 10184 } 10185 10186 public void removePackageFromPreferred(String packageName) { 10187 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 10188 } 10189 10190 public List<PackageInfo> getPreferredPackages(int flags) { 10191 return new ArrayList<PackageInfo>(); 10192 } 10193 10194 private int getUidTargetSdkVersionLockedLPr(int uid) { 10195 Object obj = mSettings.getUserIdLPr(uid); 10196 if (obj instanceof SharedUserSetting) { 10197 final SharedUserSetting sus = (SharedUserSetting) obj; 10198 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 10199 final Iterator<PackageSetting> it = sus.packages.iterator(); 10200 while (it.hasNext()) { 10201 final PackageSetting ps = it.next(); 10202 if (ps.pkg != null) { 10203 int v = ps.pkg.applicationInfo.targetSdkVersion; 10204 if (v < vers) vers = v; 10205 } 10206 } 10207 return vers; 10208 } else if (obj instanceof PackageSetting) { 10209 final PackageSetting ps = (PackageSetting) obj; 10210 if (ps.pkg != null) { 10211 return ps.pkg.applicationInfo.targetSdkVersion; 10212 } 10213 } 10214 return Build.VERSION_CODES.CUR_DEVELOPMENT; 10215 } 10216 10217 public void addPreferredActivity(IntentFilter filter, int match, 10218 ComponentName[] set, ComponentName activity, int userId) { 10219 addPreferredActivityInternal(filter, match, set, activity, true, userId); 10220 } 10221 10222 private void addPreferredActivityInternal(IntentFilter filter, int match, 10223 ComponentName[] set, ComponentName activity, boolean always, int userId) { 10224 // writer 10225 int callingUid = Binder.getCallingUid(); 10226 enforceCrossUserPermission(callingUid, userId, true, "add preferred activity"); 10227 if (filter.countActions() == 0) { 10228 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10229 return; 10230 } 10231 synchronized (mPackages) { 10232 if (mContext.checkCallingOrSelfPermission( 10233 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10234 != PackageManager.PERMISSION_GRANTED) { 10235 if (getUidTargetSdkVersionLockedLPr(callingUid) 10236 < Build.VERSION_CODES.FROYO) { 10237 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 10238 + callingUid); 10239 return; 10240 } 10241 mContext.enforceCallingOrSelfPermission( 10242 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10243 } 10244 10245 Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :"); 10246 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10247 mSettings.editPreferredActivitiesLPw(userId).addFilter( 10248 new PreferredActivity(filter, match, set, activity, always)); 10249 mSettings.writePackageRestrictionsLPr(userId); 10250 } 10251 } 10252 10253 public void replacePreferredActivity(IntentFilter filter, int match, 10254 ComponentName[] set, ComponentName activity) { 10255 if (filter.countActions() != 1) { 10256 throw new IllegalArgumentException( 10257 "replacePreferredActivity expects filter to have only 1 action."); 10258 } 10259 if (filter.countDataAuthorities() != 0 10260 || filter.countDataPaths() != 0 10261 || filter.countDataSchemes() > 1 10262 || filter.countDataTypes() != 0) { 10263 throw new IllegalArgumentException( 10264 "replacePreferredActivity expects filter to have no data authorities, " + 10265 "paths, or types; and at most one scheme."); 10266 } 10267 synchronized (mPackages) { 10268 if (mContext.checkCallingOrSelfPermission( 10269 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10270 != PackageManager.PERMISSION_GRANTED) { 10271 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10272 < Build.VERSION_CODES.FROYO) { 10273 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 10274 + Binder.getCallingUid()); 10275 return; 10276 } 10277 mContext.enforceCallingOrSelfPermission( 10278 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10279 } 10280 10281 final int callingUserId = UserHandle.getCallingUserId(); 10282 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId); 10283 if (pir != null) { 10284 Intent intent = new Intent(filter.getAction(0)).addCategory(filter.getCategory(0)); 10285 if (filter.countDataSchemes() == 1) { 10286 Uri.Builder builder = new Uri.Builder(); 10287 builder.scheme(filter.getDataScheme(0)); 10288 intent.setData(builder.build()); 10289 } 10290 List<PreferredActivity> matches = pir.queryIntent( 10291 intent, null, true, callingUserId); 10292 if (DEBUG_PREFERRED) { 10293 Slog.i(TAG, matches.size() + " preferred matches for " + intent); 10294 } 10295 for (int i = 0; i < matches.size(); i++) { 10296 PreferredActivity pa = matches.get(i); 10297 if (DEBUG_PREFERRED) { 10298 Slog.i(TAG, "Removing preferred activity " 10299 + pa.mPref.mComponent + ":"); 10300 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10301 } 10302 pir.removeFilter(pa); 10303 } 10304 } 10305 addPreferredActivityInternal(filter, match, set, activity, true, callingUserId); 10306 } 10307 } 10308 10309 public void clearPackagePreferredActivities(String packageName) { 10310 final int uid = Binder.getCallingUid(); 10311 // writer 10312 synchronized (mPackages) { 10313 PackageParser.Package pkg = mPackages.get(packageName); 10314 if (pkg == null || pkg.applicationInfo.uid != uid) { 10315 if (mContext.checkCallingOrSelfPermission( 10316 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 10317 != PackageManager.PERMISSION_GRANTED) { 10318 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 10319 < Build.VERSION_CODES.FROYO) { 10320 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 10321 + Binder.getCallingUid()); 10322 return; 10323 } 10324 mContext.enforceCallingOrSelfPermission( 10325 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10326 } 10327 } 10328 10329 int user = UserHandle.getCallingUserId(); 10330 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 10331 mSettings.writePackageRestrictionsLPr(user); 10332 scheduleWriteSettingsLocked(); 10333 } 10334 } 10335 } 10336 10337 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 10338 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 10339 ArrayList<PreferredActivity> removed = null; 10340 boolean changed = false; 10341 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10342 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 10343 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10344 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 10345 continue; 10346 } 10347 Iterator<PreferredActivity> it = pir.filterIterator(); 10348 while (it.hasNext()) { 10349 PreferredActivity pa = it.next(); 10350 // Mark entry for removal only if it matches the package name 10351 // and the entry is of type "always". 10352 if (packageName == null || 10353 (pa.mPref.mComponent.getPackageName().equals(packageName) 10354 && pa.mPref.mAlways)) { 10355 if (removed == null) { 10356 removed = new ArrayList<PreferredActivity>(); 10357 } 10358 removed.add(pa); 10359 } 10360 } 10361 if (removed != null) { 10362 for (int j=0; j<removed.size(); j++) { 10363 PreferredActivity pa = removed.get(j); 10364 pir.removeFilter(pa); 10365 } 10366 changed = true; 10367 } 10368 } 10369 return changed; 10370 } 10371 10372 public void resetPreferredActivities(int userId) { 10373 mContext.enforceCallingOrSelfPermission( 10374 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10375 // writer 10376 synchronized (mPackages) { 10377 int user = UserHandle.getCallingUserId(); 10378 clearPackagePreferredActivitiesLPw(null, user); 10379 mSettings.readDefaultPreferredAppsLPw(this, user); 10380 mSettings.writePackageRestrictionsLPr(user); 10381 scheduleWriteSettingsLocked(); 10382 } 10383 } 10384 10385 public int getPreferredActivities(List<IntentFilter> outFilters, 10386 List<ComponentName> outActivities, String packageName) { 10387 10388 int num = 0; 10389 final int userId = UserHandle.getCallingUserId(); 10390 // reader 10391 synchronized (mPackages) { 10392 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 10393 if (pir != null) { 10394 final Iterator<PreferredActivity> it = pir.filterIterator(); 10395 while (it.hasNext()) { 10396 final PreferredActivity pa = it.next(); 10397 if (packageName == null 10398 || (pa.mPref.mComponent.getPackageName().equals(packageName) 10399 && pa.mPref.mAlways)) { 10400 if (outFilters != null) { 10401 outFilters.add(new IntentFilter(pa)); 10402 } 10403 if (outActivities != null) { 10404 outActivities.add(pa.mPref.mComponent); 10405 } 10406 } 10407 } 10408 } 10409 } 10410 10411 return num; 10412 } 10413 10414 @Override 10415 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 10416 int userId) { 10417 int callingUid = Binder.getCallingUid(); 10418 if (callingUid != Process.SYSTEM_UID) { 10419 throw new SecurityException( 10420 "addPersistentPreferredActivity can only be run by the system"); 10421 } 10422 if (filter.countActions() == 0) { 10423 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 10424 return; 10425 } 10426 synchronized (mPackages) { 10427 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 10428 " :"); 10429 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 10430 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 10431 new PersistentPreferredActivity(filter, activity)); 10432 mSettings.writePackageRestrictionsLPr(userId); 10433 } 10434 } 10435 10436 @Override 10437 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 10438 int callingUid = Binder.getCallingUid(); 10439 if (callingUid != Process.SYSTEM_UID) { 10440 throw new SecurityException( 10441 "clearPackagePersistentPreferredActivities can only be run by the system"); 10442 } 10443 ArrayList<PersistentPreferredActivity> removed = null; 10444 boolean changed = false; 10445 synchronized (mPackages) { 10446 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 10447 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 10448 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 10449 .valueAt(i); 10450 if (userId != thisUserId) { 10451 continue; 10452 } 10453 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 10454 while (it.hasNext()) { 10455 PersistentPreferredActivity ppa = it.next(); 10456 // Mark entry for removal only if it matches the package name. 10457 if (ppa.mComponent.getPackageName().equals(packageName)) { 10458 if (removed == null) { 10459 removed = new ArrayList<PersistentPreferredActivity>(); 10460 } 10461 removed.add(ppa); 10462 } 10463 } 10464 if (removed != null) { 10465 for (int j=0; j<removed.size(); j++) { 10466 PersistentPreferredActivity ppa = removed.get(j); 10467 ppir.removeFilter(ppa); 10468 } 10469 changed = true; 10470 } 10471 } 10472 10473 if (changed) { 10474 mSettings.writePackageRestrictionsLPr(userId); 10475 } 10476 } 10477 } 10478 10479 @Override 10480 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 10481 Intent intent = new Intent(Intent.ACTION_MAIN); 10482 intent.addCategory(Intent.CATEGORY_HOME); 10483 10484 final int callingUserId = UserHandle.getCallingUserId(); 10485 List<ResolveInfo> list = queryIntentActivities(intent, null, 10486 PackageManager.GET_META_DATA, callingUserId); 10487 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 10488 true, false, false, callingUserId); 10489 10490 allHomeCandidates.clear(); 10491 if (list != null) { 10492 for (ResolveInfo ri : list) { 10493 allHomeCandidates.add(ri); 10494 } 10495 } 10496 return (preferred == null || preferred.activityInfo == null) 10497 ? null 10498 : new ComponentName(preferred.activityInfo.packageName, 10499 preferred.activityInfo.name); 10500 } 10501 10502 @Override 10503 public void setApplicationEnabledSetting(String appPackageName, 10504 int newState, int flags, int userId, String callingPackage) { 10505 if (!sUserManager.exists(userId)) return; 10506 if (callingPackage == null) { 10507 callingPackage = Integer.toString(Binder.getCallingUid()); 10508 } 10509 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 10510 } 10511 10512 @Override 10513 public void setComponentEnabledSetting(ComponentName componentName, 10514 int newState, int flags, int userId) { 10515 if (!sUserManager.exists(userId)) return; 10516 setEnabledSetting(componentName.getPackageName(), 10517 componentName.getClassName(), newState, flags, userId, null); 10518 } 10519 10520 private void setEnabledSetting(final String packageName, String className, int newState, 10521 final int flags, int userId, String callingPackage) { 10522 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 10523 || newState == COMPONENT_ENABLED_STATE_ENABLED 10524 || newState == COMPONENT_ENABLED_STATE_DISABLED 10525 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 10526 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 10527 throw new IllegalArgumentException("Invalid new component state: " 10528 + newState); 10529 } 10530 PackageSetting pkgSetting; 10531 final int uid = Binder.getCallingUid(); 10532 final int permission = mContext.checkCallingOrSelfPermission( 10533 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10534 enforceCrossUserPermission(uid, userId, false, "set enabled"); 10535 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10536 boolean sendNow = false; 10537 boolean isApp = (className == null); 10538 String componentName = isApp ? packageName : className; 10539 int packageUid = -1; 10540 ArrayList<String> components; 10541 10542 // writer 10543 synchronized (mPackages) { 10544 pkgSetting = mSettings.mPackages.get(packageName); 10545 if (pkgSetting == null) { 10546 if (className == null) { 10547 throw new IllegalArgumentException( 10548 "Unknown package: " + packageName); 10549 } 10550 throw new IllegalArgumentException( 10551 "Unknown component: " + packageName 10552 + "/" + className); 10553 } 10554 // Allow root and verify that userId is not being specified by a different user 10555 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 10556 throw new SecurityException( 10557 "Permission Denial: attempt to change component state from pid=" 10558 + Binder.getCallingPid() 10559 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 10560 } 10561 if (className == null) { 10562 // We're dealing with an application/package level state change 10563 if (pkgSetting.getEnabled(userId) == newState) { 10564 // Nothing to do 10565 return; 10566 } 10567 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 10568 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 10569 // Don't care about who enables an app. 10570 callingPackage = null; 10571 } 10572 pkgSetting.setEnabled(newState, userId, callingPackage); 10573 // pkgSetting.pkg.mSetEnabled = newState; 10574 } else { 10575 // We're dealing with a component level state change 10576 // First, verify that this is a valid class name. 10577 PackageParser.Package pkg = pkgSetting.pkg; 10578 if (pkg == null || !pkg.hasComponentClassName(className)) { 10579 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 10580 throw new IllegalArgumentException("Component class " + className 10581 + " does not exist in " + packageName); 10582 } else { 10583 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 10584 + className + " does not exist in " + packageName); 10585 } 10586 } 10587 switch (newState) { 10588 case COMPONENT_ENABLED_STATE_ENABLED: 10589 if (!pkgSetting.enableComponentLPw(className, userId)) { 10590 return; 10591 } 10592 break; 10593 case COMPONENT_ENABLED_STATE_DISABLED: 10594 if (!pkgSetting.disableComponentLPw(className, userId)) { 10595 return; 10596 } 10597 break; 10598 case COMPONENT_ENABLED_STATE_DEFAULT: 10599 if (!pkgSetting.restoreComponentLPw(className, userId)) { 10600 return; 10601 } 10602 break; 10603 default: 10604 Slog.e(TAG, "Invalid new component state: " + newState); 10605 return; 10606 } 10607 } 10608 mSettings.writePackageRestrictionsLPr(userId); 10609 components = mPendingBroadcasts.get(userId, packageName); 10610 final boolean newPackage = components == null; 10611 if (newPackage) { 10612 components = new ArrayList<String>(); 10613 } 10614 if (!components.contains(componentName)) { 10615 components.add(componentName); 10616 } 10617 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 10618 sendNow = true; 10619 // Purge entry from pending broadcast list if another one exists already 10620 // since we are sending one right away. 10621 mPendingBroadcasts.remove(userId, packageName); 10622 } else { 10623 if (newPackage) { 10624 mPendingBroadcasts.put(userId, packageName, components); 10625 } 10626 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 10627 // Schedule a message 10628 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 10629 } 10630 } 10631 } 10632 10633 long callingId = Binder.clearCallingIdentity(); 10634 try { 10635 if (sendNow) { 10636 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 10637 sendPackageChangedBroadcast(packageName, 10638 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 10639 } 10640 } finally { 10641 Binder.restoreCallingIdentity(callingId); 10642 } 10643 } 10644 10645 private void sendPackageChangedBroadcast(String packageName, 10646 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 10647 if (DEBUG_INSTALL) 10648 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 10649 + componentNames); 10650 Bundle extras = new Bundle(4); 10651 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 10652 String nameList[] = new String[componentNames.size()]; 10653 componentNames.toArray(nameList); 10654 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 10655 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 10656 extras.putInt(Intent.EXTRA_UID, packageUid); 10657 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 10658 new int[] {UserHandle.getUserId(packageUid)}); 10659 } 10660 10661 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 10662 if (!sUserManager.exists(userId)) return; 10663 final int uid = Binder.getCallingUid(); 10664 final int permission = mContext.checkCallingOrSelfPermission( 10665 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 10666 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 10667 enforceCrossUserPermission(uid, userId, true, "stop package"); 10668 // writer 10669 synchronized (mPackages) { 10670 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 10671 uid, userId)) { 10672 scheduleWritePackageRestrictionsLocked(userId); 10673 } 10674 } 10675 } 10676 10677 public String getInstallerPackageName(String packageName) { 10678 // reader 10679 synchronized (mPackages) { 10680 return mSettings.getInstallerPackageNameLPr(packageName); 10681 } 10682 } 10683 10684 @Override 10685 public int getApplicationEnabledSetting(String packageName, int userId) { 10686 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10687 int uid = Binder.getCallingUid(); 10688 enforceCrossUserPermission(uid, userId, false, "get enabled"); 10689 // reader 10690 synchronized (mPackages) { 10691 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 10692 } 10693 } 10694 10695 @Override 10696 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 10697 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 10698 int uid = Binder.getCallingUid(); 10699 enforceCrossUserPermission(uid, userId, false, "get component enabled"); 10700 // reader 10701 synchronized (mPackages) { 10702 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 10703 } 10704 } 10705 10706 public void enterSafeMode() { 10707 enforceSystemOrRoot("Only the system can request entering safe mode"); 10708 10709 if (!mSystemReady) { 10710 mSafeMode = true; 10711 } 10712 } 10713 10714 public void systemReady() { 10715 mSystemReady = true; 10716 10717 // Read the compatibilty setting when the system is ready. 10718 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 10719 mContext.getContentResolver(), 10720 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 10721 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 10722 if (DEBUG_SETTINGS) { 10723 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 10724 } 10725 10726 synchronized (mPackages) { 10727 // Verify that all of the preferred activity components actually 10728 // exist. It is possible for applications to be updated and at 10729 // that point remove a previously declared activity component that 10730 // had been set as a preferred activity. We try to clean this up 10731 // the next time we encounter that preferred activity, but it is 10732 // possible for the user flow to never be able to return to that 10733 // situation so here we do a sanity check to make sure we haven't 10734 // left any junk around. 10735 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 10736 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 10737 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 10738 removed.clear(); 10739 for (PreferredActivity pa : pir.filterSet()) { 10740 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 10741 removed.add(pa); 10742 } 10743 } 10744 if (removed.size() > 0) { 10745 for (int j=0; j<removed.size(); j++) { 10746 PreferredActivity pa = removed.get(i); 10747 Slog.w(TAG, "Removing dangling preferred activity: " 10748 + pa.mPref.mComponent); 10749 pir.removeFilter(pa); 10750 } 10751 mSettings.writePackageRestrictionsLPr( 10752 mSettings.mPreferredActivities.keyAt(i)); 10753 } 10754 } 10755 } 10756 sUserManager.systemReady(); 10757 } 10758 10759 public boolean isSafeMode() { 10760 return mSafeMode; 10761 } 10762 10763 public boolean hasSystemUidErrors() { 10764 return mHasSystemUidErrors; 10765 } 10766 10767 static String arrayToString(int[] array) { 10768 StringBuffer buf = new StringBuffer(128); 10769 buf.append('['); 10770 if (array != null) { 10771 for (int i=0; i<array.length; i++) { 10772 if (i > 0) buf.append(", "); 10773 buf.append(array[i]); 10774 } 10775 } 10776 buf.append(']'); 10777 return buf.toString(); 10778 } 10779 10780 static class DumpState { 10781 public static final int DUMP_LIBS = 1 << 0; 10782 10783 public static final int DUMP_FEATURES = 1 << 1; 10784 10785 public static final int DUMP_RESOLVERS = 1 << 2; 10786 10787 public static final int DUMP_PERMISSIONS = 1 << 3; 10788 10789 public static final int DUMP_PACKAGES = 1 << 4; 10790 10791 public static final int DUMP_SHARED_USERS = 1 << 5; 10792 10793 public static final int DUMP_MESSAGES = 1 << 6; 10794 10795 public static final int DUMP_PROVIDERS = 1 << 7; 10796 10797 public static final int DUMP_VERIFIERS = 1 << 8; 10798 10799 public static final int DUMP_PREFERRED = 1 << 9; 10800 10801 public static final int DUMP_PREFERRED_XML = 1 << 10; 10802 10803 public static final int DUMP_KEYSETS = 1 << 11; 10804 10805 public static final int OPTION_SHOW_FILTERS = 1 << 0; 10806 10807 private int mTypes; 10808 10809 private int mOptions; 10810 10811 private boolean mTitlePrinted; 10812 10813 private SharedUserSetting mSharedUser; 10814 10815 public boolean isDumping(int type) { 10816 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 10817 return true; 10818 } 10819 10820 return (mTypes & type) != 0; 10821 } 10822 10823 public void setDump(int type) { 10824 mTypes |= type; 10825 } 10826 10827 public boolean isOptionEnabled(int option) { 10828 return (mOptions & option) != 0; 10829 } 10830 10831 public void setOptionEnabled(int option) { 10832 mOptions |= option; 10833 } 10834 10835 public boolean onTitlePrinted() { 10836 final boolean printed = mTitlePrinted; 10837 mTitlePrinted = true; 10838 return printed; 10839 } 10840 10841 public boolean getTitlePrinted() { 10842 return mTitlePrinted; 10843 } 10844 10845 public void setTitlePrinted(boolean enabled) { 10846 mTitlePrinted = enabled; 10847 } 10848 10849 public SharedUserSetting getSharedUser() { 10850 return mSharedUser; 10851 } 10852 10853 public void setSharedUser(SharedUserSetting user) { 10854 mSharedUser = user; 10855 } 10856 } 10857 10858 @Override 10859 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 10860 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 10861 != PackageManager.PERMISSION_GRANTED) { 10862 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 10863 + Binder.getCallingPid() 10864 + ", uid=" + Binder.getCallingUid() 10865 + " without permission " 10866 + android.Manifest.permission.DUMP); 10867 return; 10868 } 10869 10870 DumpState dumpState = new DumpState(); 10871 boolean fullPreferred = false; 10872 boolean checkin = false; 10873 10874 String packageName = null; 10875 10876 int opti = 0; 10877 while (opti < args.length) { 10878 String opt = args[opti]; 10879 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 10880 break; 10881 } 10882 opti++; 10883 if ("-a".equals(opt)) { 10884 // Right now we only know how to print all. 10885 } else if ("-h".equals(opt)) { 10886 pw.println("Package manager dump options:"); 10887 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 10888 pw.println(" --checkin: dump for a checkin"); 10889 pw.println(" -f: print details of intent filters"); 10890 pw.println(" -h: print this help"); 10891 pw.println(" cmd may be one of:"); 10892 pw.println(" l[ibraries]: list known shared libraries"); 10893 pw.println(" f[ibraries]: list device features"); 10894 pw.println(" r[esolvers]: dump intent resolvers"); 10895 pw.println(" perm[issions]: dump permissions"); 10896 pw.println(" pref[erred]: print preferred package settings"); 10897 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 10898 pw.println(" prov[iders]: dump content providers"); 10899 pw.println(" p[ackages]: dump installed packages"); 10900 pw.println(" s[hared-users]: dump shared user IDs"); 10901 pw.println(" m[essages]: print collected runtime messages"); 10902 pw.println(" v[erifiers]: print package verifier info"); 10903 pw.println(" <package.name>: info about given package"); 10904 pw.println(" k[eysets]: print known keysets"); 10905 return; 10906 } else if ("--checkin".equals(opt)) { 10907 checkin = true; 10908 } else if ("-f".equals(opt)) { 10909 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10910 } else { 10911 pw.println("Unknown argument: " + opt + "; use -h for help"); 10912 } 10913 } 10914 10915 // Is the caller requesting to dump a particular piece of data? 10916 if (opti < args.length) { 10917 String cmd = args[opti]; 10918 opti++; 10919 // Is this a package name? 10920 if ("android".equals(cmd) || cmd.contains(".")) { 10921 packageName = cmd; 10922 // When dumping a single package, we always dump all of its 10923 // filter information since the amount of data will be reasonable. 10924 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 10925 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 10926 dumpState.setDump(DumpState.DUMP_LIBS); 10927 } else if ("f".equals(cmd) || "features".equals(cmd)) { 10928 dumpState.setDump(DumpState.DUMP_FEATURES); 10929 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 10930 dumpState.setDump(DumpState.DUMP_RESOLVERS); 10931 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 10932 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 10933 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 10934 dumpState.setDump(DumpState.DUMP_PREFERRED); 10935 } else if ("preferred-xml".equals(cmd)) { 10936 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 10937 if (opti < args.length && "--full".equals(args[opti])) { 10938 fullPreferred = true; 10939 opti++; 10940 } 10941 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 10942 dumpState.setDump(DumpState.DUMP_PACKAGES); 10943 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 10944 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 10945 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 10946 dumpState.setDump(DumpState.DUMP_PROVIDERS); 10947 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 10948 dumpState.setDump(DumpState.DUMP_MESSAGES); 10949 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 10950 dumpState.setDump(DumpState.DUMP_VERIFIERS); 10951 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 10952 dumpState.setDump(DumpState.DUMP_KEYSETS); 10953 } 10954 } 10955 10956 if (checkin) { 10957 pw.println("vers,1"); 10958 } 10959 10960 // reader 10961 synchronized (mPackages) { 10962 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 10963 if (!checkin) { 10964 if (dumpState.onTitlePrinted()) 10965 pw.println(); 10966 pw.println("Verifiers:"); 10967 pw.print(" Required: "); 10968 pw.print(mRequiredVerifierPackage); 10969 pw.print(" (uid="); 10970 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 10971 pw.println(")"); 10972 } else if (mRequiredVerifierPackage != null) { 10973 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 10974 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 10975 } 10976 } 10977 10978 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 10979 boolean printedHeader = false; 10980 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 10981 while (it.hasNext()) { 10982 String name = it.next(); 10983 SharedLibraryEntry ent = mSharedLibraries.get(name); 10984 if (!checkin) { 10985 if (!printedHeader) { 10986 if (dumpState.onTitlePrinted()) 10987 pw.println(); 10988 pw.println("Libraries:"); 10989 printedHeader = true; 10990 } 10991 pw.print(" "); 10992 } else { 10993 pw.print("lib,"); 10994 } 10995 pw.print(name); 10996 if (!checkin) { 10997 pw.print(" -> "); 10998 } 10999 if (ent.path != null) { 11000 if (!checkin) { 11001 pw.print("(jar) "); 11002 pw.print(ent.path); 11003 } else { 11004 pw.print(",jar,"); 11005 pw.print(ent.path); 11006 } 11007 } else { 11008 if (!checkin) { 11009 pw.print("(apk) "); 11010 pw.print(ent.apk); 11011 } else { 11012 pw.print(",apk,"); 11013 pw.print(ent.apk); 11014 } 11015 } 11016 pw.println(); 11017 } 11018 } 11019 11020 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 11021 if (dumpState.onTitlePrinted()) 11022 pw.println(); 11023 if (!checkin) { 11024 pw.println("Features:"); 11025 } 11026 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 11027 while (it.hasNext()) { 11028 String name = it.next(); 11029 if (!checkin) { 11030 pw.print(" "); 11031 } else { 11032 pw.print("feat,"); 11033 } 11034 pw.println(name); 11035 } 11036 } 11037 11038 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 11039 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 11040 : "Activity Resolver Table:", " ", packageName, 11041 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11042 dumpState.setTitlePrinted(true); 11043 } 11044 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 11045 : "Receiver Resolver Table:", " ", packageName, 11046 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11047 dumpState.setTitlePrinted(true); 11048 } 11049 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 11050 : "Service Resolver Table:", " ", packageName, 11051 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11052 dumpState.setTitlePrinted(true); 11053 } 11054 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 11055 : "Provider Resolver Table:", " ", packageName, 11056 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 11057 dumpState.setTitlePrinted(true); 11058 } 11059 } 11060 11061 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 11062 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11063 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11064 int user = mSettings.mPreferredActivities.keyAt(i); 11065 if (pir.dump(pw, 11066 dumpState.getTitlePrinted() 11067 ? "\nPreferred Activities User " + user + ":" 11068 : "Preferred Activities User " + user + ":", " ", 11069 packageName, true)) { 11070 dumpState.setTitlePrinted(true); 11071 } 11072 } 11073 } 11074 11075 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 11076 pw.flush(); 11077 FileOutputStream fout = new FileOutputStream(fd); 11078 BufferedOutputStream str = new BufferedOutputStream(fout); 11079 XmlSerializer serializer = new FastXmlSerializer(); 11080 try { 11081 serializer.setOutput(str, "utf-8"); 11082 serializer.startDocument(null, true); 11083 serializer.setFeature( 11084 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 11085 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 11086 serializer.endDocument(); 11087 serializer.flush(); 11088 } catch (IllegalArgumentException e) { 11089 pw.println("Failed writing: " + e); 11090 } catch (IllegalStateException e) { 11091 pw.println("Failed writing: " + e); 11092 } catch (IOException e) { 11093 pw.println("Failed writing: " + e); 11094 } 11095 } 11096 11097 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 11098 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 11099 } 11100 11101 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 11102 boolean printedSomething = false; 11103 for (PackageParser.Provider p : mProviders.mProviders.values()) { 11104 if (packageName != null && !packageName.equals(p.info.packageName)) { 11105 continue; 11106 } 11107 if (!printedSomething) { 11108 if (dumpState.onTitlePrinted()) 11109 pw.println(); 11110 pw.println("Registered ContentProviders:"); 11111 printedSomething = true; 11112 } 11113 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 11114 pw.print(" "); pw.println(p.toString()); 11115 } 11116 printedSomething = false; 11117 for (Map.Entry<String, PackageParser.Provider> entry : 11118 mProvidersByAuthority.entrySet()) { 11119 PackageParser.Provider p = entry.getValue(); 11120 if (packageName != null && !packageName.equals(p.info.packageName)) { 11121 continue; 11122 } 11123 if (!printedSomething) { 11124 if (dumpState.onTitlePrinted()) 11125 pw.println(); 11126 pw.println("ContentProvider Authorities:"); 11127 printedSomething = true; 11128 } 11129 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 11130 pw.print(" "); pw.println(p.toString()); 11131 if (p.info != null && p.info.applicationInfo != null) { 11132 final String appInfo = p.info.applicationInfo.toString(); 11133 pw.print(" applicationInfo="); pw.println(appInfo); 11134 } 11135 } 11136 } 11137 11138 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 11139 mSettings.mKeySetManager.dump(pw, packageName, dumpState); 11140 } 11141 11142 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 11143 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 11144 } 11145 11146 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 11147 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 11148 } 11149 11150 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 11151 if (dumpState.onTitlePrinted()) 11152 pw.println(); 11153 mSettings.dumpReadMessagesLPr(pw, dumpState); 11154 11155 pw.println(); 11156 pw.println("Package warning messages:"); 11157 final File fname = getSettingsProblemFile(); 11158 FileInputStream in = null; 11159 try { 11160 in = new FileInputStream(fname); 11161 final int avail = in.available(); 11162 final byte[] data = new byte[avail]; 11163 in.read(data); 11164 pw.print(new String(data)); 11165 } catch (FileNotFoundException e) { 11166 } catch (IOException e) { 11167 } finally { 11168 if (in != null) { 11169 try { 11170 in.close(); 11171 } catch (IOException e) { 11172 } 11173 } 11174 } 11175 } 11176 } 11177 } 11178 11179 // ------- apps on sdcard specific code ------- 11180 static final boolean DEBUG_SD_INSTALL = false; 11181 11182 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 11183 11184 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 11185 11186 private boolean mMediaMounted = false; 11187 11188 private String getEncryptKey() { 11189 try { 11190 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 11191 SD_ENCRYPTION_KEYSTORE_NAME); 11192 if (sdEncKey == null) { 11193 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 11194 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 11195 if (sdEncKey == null) { 11196 Slog.e(TAG, "Failed to create encryption keys"); 11197 return null; 11198 } 11199 } 11200 return sdEncKey; 11201 } catch (NoSuchAlgorithmException nsae) { 11202 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 11203 return null; 11204 } catch (IOException ioe) { 11205 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 11206 return null; 11207 } 11208 11209 } 11210 11211 /* package */static String getTempContainerId() { 11212 int tmpIdx = 1; 11213 String list[] = PackageHelper.getSecureContainerList(); 11214 if (list != null) { 11215 for (final String name : list) { 11216 // Ignore null and non-temporary container entries 11217 if (name == null || !name.startsWith(mTempContainerPrefix)) { 11218 continue; 11219 } 11220 11221 String subStr = name.substring(mTempContainerPrefix.length()); 11222 try { 11223 int cid = Integer.parseInt(subStr); 11224 if (cid >= tmpIdx) { 11225 tmpIdx = cid + 1; 11226 } 11227 } catch (NumberFormatException e) { 11228 } 11229 } 11230 } 11231 return mTempContainerPrefix + tmpIdx; 11232 } 11233 11234 /* 11235 * Update media status on PackageManager. 11236 */ 11237 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 11238 int callingUid = Binder.getCallingUid(); 11239 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 11240 throw new SecurityException("Media status can only be updated by the system"); 11241 } 11242 // reader; this apparently protects mMediaMounted, but should probably 11243 // be a different lock in that case. 11244 synchronized (mPackages) { 11245 Log.i(TAG, "Updating external media status from " 11246 + (mMediaMounted ? "mounted" : "unmounted") + " to " 11247 + (mediaStatus ? "mounted" : "unmounted")); 11248 if (DEBUG_SD_INSTALL) 11249 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 11250 + ", mMediaMounted=" + mMediaMounted); 11251 if (mediaStatus == mMediaMounted) { 11252 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 11253 : 0, -1); 11254 mHandler.sendMessage(msg); 11255 return; 11256 } 11257 mMediaMounted = mediaStatus; 11258 } 11259 // Queue up an async operation since the package installation may take a 11260 // little while. 11261 mHandler.post(new Runnable() { 11262 public void run() { 11263 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 11264 } 11265 }); 11266 } 11267 11268 /** 11269 * Called by MountService when the initial ASECs to scan are available. 11270 * Should block until all the ASEC containers are finished being scanned. 11271 */ 11272 public void scanAvailableAsecs() { 11273 updateExternalMediaStatusInner(true, false, false); 11274 } 11275 11276 /* 11277 * Collect information of applications on external media, map them against 11278 * existing containers and update information based on current mount status. 11279 * Please note that we always have to report status if reportStatus has been 11280 * set to true especially when unloading packages. 11281 */ 11282 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 11283 boolean externalStorage) { 11284 // Collection of uids 11285 int uidArr[] = null; 11286 // Collection of stale containers 11287 HashSet<String> removeCids = new HashSet<String>(); 11288 // Collection of packages on external media with valid containers. 11289 HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>(); 11290 // Get list of secure containers. 11291 final String list[] = PackageHelper.getSecureContainerList(); 11292 if (list == null || list.length == 0) { 11293 Log.i(TAG, "No secure containers on sdcard"); 11294 } else { 11295 // Process list of secure containers and categorize them 11296 // as active or stale based on their package internal state. 11297 int uidList[] = new int[list.length]; 11298 int num = 0; 11299 // reader 11300 synchronized (mPackages) { 11301 for (String cid : list) { 11302 if (DEBUG_SD_INSTALL) 11303 Log.i(TAG, "Processing container " + cid); 11304 String pkgName = getAsecPackageName(cid); 11305 if (pkgName == null) { 11306 if (DEBUG_SD_INSTALL) 11307 Log.i(TAG, "Container : " + cid + " stale"); 11308 removeCids.add(cid); 11309 continue; 11310 } 11311 if (DEBUG_SD_INSTALL) 11312 Log.i(TAG, "Looking for pkg : " + pkgName); 11313 11314 final PackageSetting ps = mSettings.mPackages.get(pkgName); 11315 if (ps == null) { 11316 Log.i(TAG, "Deleting container with no matching settings " + cid); 11317 removeCids.add(cid); 11318 continue; 11319 } 11320 11321 /* 11322 * Skip packages that are not external if we're unmounting 11323 * external storage. 11324 */ 11325 if (externalStorage && !isMounted && !isExternal(ps)) { 11326 continue; 11327 } 11328 11329 final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps)); 11330 // The package status is changed only if the code path 11331 // matches between settings and the container id. 11332 if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { 11333 if (DEBUG_SD_INSTALL) { 11334 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 11335 + " at code path: " + ps.codePathString); 11336 } 11337 11338 // We do have a valid package installed on sdcard 11339 processCids.put(args, ps.codePathString); 11340 final int uid = ps.appId; 11341 if (uid != -1) { 11342 uidList[num++] = uid; 11343 } 11344 } else { 11345 Log.i(TAG, "Deleting stale container for " + cid); 11346 removeCids.add(cid); 11347 } 11348 } 11349 } 11350 11351 if (num > 0) { 11352 // Sort uid list 11353 Arrays.sort(uidList, 0, num); 11354 // Throw away duplicates 11355 uidArr = new int[num]; 11356 uidArr[0] = uidList[0]; 11357 int di = 0; 11358 for (int i = 1; i < num; i++) { 11359 if (uidList[i - 1] != uidList[i]) { 11360 uidArr[di++] = uidList[i]; 11361 } 11362 } 11363 } 11364 } 11365 // Process packages with valid entries. 11366 if (isMounted) { 11367 if (DEBUG_SD_INSTALL) 11368 Log.i(TAG, "Loading packages"); 11369 loadMediaPackages(processCids, uidArr, removeCids); 11370 startCleaningPackages(); 11371 } else { 11372 if (DEBUG_SD_INSTALL) 11373 Log.i(TAG, "Unloading packages"); 11374 unloadMediaPackages(processCids, uidArr, reportStatus); 11375 } 11376 } 11377 11378 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 11379 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 11380 int size = pkgList.size(); 11381 if (size > 0) { 11382 // Send broadcasts here 11383 Bundle extras = new Bundle(); 11384 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 11385 .toArray(new String[size])); 11386 if (uidArr != null) { 11387 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 11388 } 11389 if (replacing) { 11390 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 11391 } 11392 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 11393 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 11394 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 11395 } 11396 } 11397 11398 /* 11399 * Look at potentially valid container ids from processCids If package 11400 * information doesn't match the one on record or package scanning fails, 11401 * the cid is added to list of removeCids. We currently don't delete stale 11402 * containers. 11403 */ 11404 private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11405 HashSet<String> removeCids) { 11406 ArrayList<String> pkgList = new ArrayList<String>(); 11407 Set<AsecInstallArgs> keys = processCids.keySet(); 11408 boolean doGc = false; 11409 for (AsecInstallArgs args : keys) { 11410 String codePath = processCids.get(args); 11411 if (DEBUG_SD_INSTALL) 11412 Log.i(TAG, "Loading container : " + args.cid); 11413 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11414 try { 11415 // Make sure there are no container errors first. 11416 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 11417 Slog.e(TAG, "Failed to mount cid : " + args.cid 11418 + " when installing from sdcard"); 11419 continue; 11420 } 11421 // Check code path here. 11422 if (codePath == null || !codePath.equals(args.getCodePath())) { 11423 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 11424 + " does not match one in settings " + codePath); 11425 continue; 11426 } 11427 // Parse package 11428 int parseFlags = mDefParseFlags; 11429 if (args.isExternal()) { 11430 parseFlags |= PackageParser.PARSE_ON_SDCARD; 11431 } 11432 if (args.isFwdLocked()) { 11433 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 11434 } 11435 11436 doGc = true; 11437 synchronized (mInstallLock) { 11438 final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 11439 0, 0, null); 11440 // Scan the package 11441 if (pkg != null) { 11442 /* 11443 * TODO why is the lock being held? doPostInstall is 11444 * called in other places without the lock. This needs 11445 * to be straightened out. 11446 */ 11447 // writer 11448 synchronized (mPackages) { 11449 retCode = PackageManager.INSTALL_SUCCEEDED; 11450 pkgList.add(pkg.packageName); 11451 // Post process args 11452 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 11453 pkg.applicationInfo.uid); 11454 } 11455 } else { 11456 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 11457 } 11458 } 11459 11460 } finally { 11461 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 11462 // Don't destroy container here. Wait till gc clears things 11463 // up. 11464 removeCids.add(args.cid); 11465 } 11466 } 11467 } 11468 // writer 11469 synchronized (mPackages) { 11470 // If the platform SDK has changed since the last time we booted, 11471 // we need to re-grant app permission to catch any new ones that 11472 // appear. This is really a hack, and means that apps can in some 11473 // cases get permissions that the user didn't initially explicitly 11474 // allow... it would be nice to have some better way to handle 11475 // this situation. 11476 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 11477 if (regrantPermissions) 11478 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 11479 + mSdkVersion + "; regranting permissions for external storage"); 11480 mSettings.mExternalSdkPlatform = mSdkVersion; 11481 11482 // Make sure group IDs have been assigned, and any permission 11483 // changes in other apps are accounted for 11484 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 11485 | (regrantPermissions 11486 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 11487 : 0)); 11488 // can downgrade to reader 11489 // Persist settings 11490 mSettings.writeLPr(); 11491 } 11492 // Send a broadcast to let everyone know we are done processing 11493 if (pkgList.size() > 0) { 11494 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11495 } 11496 // Force gc to avoid any stale parser references that we might have. 11497 if (doGc) { 11498 Runtime.getRuntime().gc(); 11499 } 11500 // List stale containers and destroy stale temporary containers. 11501 if (removeCids != null) { 11502 for (String cid : removeCids) { 11503 if (cid.startsWith(mTempContainerPrefix)) { 11504 Log.i(TAG, "Destroying stale temporary container " + cid); 11505 PackageHelper.destroySdDir(cid); 11506 } else { 11507 Log.w(TAG, "Container " + cid + " is stale"); 11508 } 11509 } 11510 } 11511 } 11512 11513 /* 11514 * Utility method to unload a list of specified containers 11515 */ 11516 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 11517 // Just unmount all valid containers. 11518 for (AsecInstallArgs arg : cidArgs) { 11519 synchronized (mInstallLock) { 11520 arg.doPostDeleteLI(false); 11521 } 11522 } 11523 } 11524 11525 /* 11526 * Unload packages mounted on external media. This involves deleting package 11527 * data from internal structures, sending broadcasts about diabled packages, 11528 * gc'ing to free up references, unmounting all secure containers 11529 * corresponding to packages on external media, and posting a 11530 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 11531 * that we always have to post this message if status has been requested no 11532 * matter what. 11533 */ 11534 private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[], 11535 final boolean reportStatus) { 11536 if (DEBUG_SD_INSTALL) 11537 Log.i(TAG, "unloading media packages"); 11538 ArrayList<String> pkgList = new ArrayList<String>(); 11539 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 11540 final Set<AsecInstallArgs> keys = processCids.keySet(); 11541 for (AsecInstallArgs args : keys) { 11542 String pkgName = args.getPackageName(); 11543 if (DEBUG_SD_INSTALL) 11544 Log.i(TAG, "Trying to unload pkg : " + pkgName); 11545 // Delete package internally 11546 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 11547 synchronized (mInstallLock) { 11548 boolean res = deletePackageLI(pkgName, null, false, null, null, 11549 PackageManager.DELETE_KEEP_DATA, outInfo, false); 11550 if (res) { 11551 pkgList.add(pkgName); 11552 } else { 11553 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 11554 failedList.add(args); 11555 } 11556 } 11557 } 11558 11559 // reader 11560 synchronized (mPackages) { 11561 // We didn't update the settings after removing each package; 11562 // write them now for all packages. 11563 mSettings.writeLPr(); 11564 } 11565 11566 // We have to absolutely send UPDATED_MEDIA_STATUS only 11567 // after confirming that all the receivers processed the ordered 11568 // broadcast when packages get disabled, force a gc to clean things up. 11569 // and unload all the containers. 11570 if (pkgList.size() > 0) { 11571 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 11572 new IIntentReceiver.Stub() { 11573 public void performReceive(Intent intent, int resultCode, String data, 11574 Bundle extras, boolean ordered, boolean sticky, 11575 int sendingUser) throws RemoteException { 11576 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 11577 reportStatus ? 1 : 0, 1, keys); 11578 mHandler.sendMessage(msg); 11579 } 11580 }); 11581 } else { 11582 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 11583 keys); 11584 mHandler.sendMessage(msg); 11585 } 11586 } 11587 11588 /** Binder call */ 11589 @Override 11590 public void movePackage(final String packageName, final IPackageMoveObserver observer, 11591 final int flags) { 11592 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 11593 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 11594 int returnCode = PackageManager.MOVE_SUCCEEDED; 11595 int currFlags = 0; 11596 int newFlags = 0; 11597 // reader 11598 synchronized (mPackages) { 11599 PackageParser.Package pkg = mPackages.get(packageName); 11600 if (pkg == null) { 11601 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11602 } else { 11603 // Disable moving fwd locked apps and system packages 11604 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 11605 Slog.w(TAG, "Cannot move system application"); 11606 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 11607 } else if (pkg.mOperationPending) { 11608 Slog.w(TAG, "Attempt to move package which has pending operations"); 11609 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 11610 } else { 11611 // Find install location first 11612 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 11613 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 11614 Slog.w(TAG, "Ambigous flags specified for move location."); 11615 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11616 } else { 11617 newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL 11618 : PackageManager.INSTALL_INTERNAL; 11619 currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL 11620 : PackageManager.INSTALL_INTERNAL; 11621 11622 if (newFlags == currFlags) { 11623 Slog.w(TAG, "No move required. Trying to move to same location"); 11624 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 11625 } else { 11626 if (isForwardLocked(pkg)) { 11627 currFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11628 newFlags |= PackageManager.INSTALL_FORWARD_LOCK; 11629 } 11630 } 11631 } 11632 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11633 pkg.mOperationPending = true; 11634 } 11635 } 11636 } 11637 11638 /* 11639 * TODO this next block probably shouldn't be inside the lock. We 11640 * can't guarantee these won't change after this is fired off 11641 * anyway. 11642 */ 11643 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11644 processPendingMove(new MoveParams(null, observer, 0, packageName, 11645 null, -1, user), 11646 returnCode); 11647 } else { 11648 Message msg = mHandler.obtainMessage(INIT_COPY); 11649 InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, 11650 pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); 11651 MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, 11652 pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user); 11653 msg.obj = mp; 11654 mHandler.sendMessage(msg); 11655 } 11656 } 11657 } 11658 11659 private void processPendingMove(final MoveParams mp, final int currentStatus) { 11660 // Queue up an async operation since the package deletion may take a 11661 // little while. 11662 mHandler.post(new Runnable() { 11663 public void run() { 11664 // TODO fix this; this does nothing. 11665 mHandler.removeCallbacks(this); 11666 int returnCode = currentStatus; 11667 if (currentStatus == PackageManager.MOVE_SUCCEEDED) { 11668 int uidArr[] = null; 11669 ArrayList<String> pkgList = null; 11670 synchronized (mPackages) { 11671 PackageParser.Package pkg = mPackages.get(mp.packageName); 11672 if (pkg == null) { 11673 Slog.w(TAG, " Package " + mp.packageName 11674 + " doesn't exist. Aborting move"); 11675 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11676 } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { 11677 Slog.w(TAG, "Package " + mp.packageName + " code path changed from " 11678 + mp.srcArgs.getCodePath() + " to " 11679 + pkg.applicationInfo.sourceDir 11680 + " Aborting move and returning error"); 11681 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11682 } else { 11683 uidArr = new int[] { 11684 pkg.applicationInfo.uid 11685 }; 11686 pkgList = new ArrayList<String>(); 11687 pkgList.add(mp.packageName); 11688 } 11689 } 11690 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11691 // Send resources unavailable broadcast 11692 sendResourcesChangedBroadcast(false, true, pkgList, uidArr, null); 11693 // Update package code and resource paths 11694 synchronized (mInstallLock) { 11695 synchronized (mPackages) { 11696 PackageParser.Package pkg = mPackages.get(mp.packageName); 11697 // Recheck for package again. 11698 if (pkg == null) { 11699 Slog.w(TAG, " Package " + mp.packageName 11700 + " doesn't exist. Aborting move"); 11701 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 11702 } else if (!mp.srcArgs.getCodePath().equals( 11703 pkg.applicationInfo.sourceDir)) { 11704 Slog.w(TAG, "Package " + mp.packageName 11705 + " code path changed from " + mp.srcArgs.getCodePath() 11706 + " to " + pkg.applicationInfo.sourceDir 11707 + " Aborting move and returning error"); 11708 returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; 11709 } else { 11710 final String oldCodePath = pkg.mPath; 11711 final String newCodePath = mp.targetArgs.getCodePath(); 11712 final String newResPath = mp.targetArgs.getResourcePath(); 11713 final String newNativePath = mp.targetArgs 11714 .getNativeLibraryPath(); 11715 11716 final File newNativeDir = new File(newNativePath); 11717 11718 if (!isForwardLocked(pkg) && !isExternal(pkg)) { 11719 NativeLibraryHelper.copyNativeBinariesIfNeededLI( 11720 new File(newCodePath), newNativeDir); 11721 } 11722 final int[] users = sUserManager.getUserIds(); 11723 for (int user : users) { 11724 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, 11725 newNativePath, user) < 0) { 11726 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11727 } 11728 } 11729 11730 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11731 pkg.mPath = newCodePath; 11732 // Move dex files around 11733 if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { 11734 // Moving of dex files failed. Set 11735 // error code and abort move. 11736 pkg.mPath = pkg.mScanPath; 11737 returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; 11738 } 11739 } 11740 11741 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 11742 pkg.mScanPath = newCodePath; 11743 pkg.applicationInfo.sourceDir = newCodePath; 11744 pkg.applicationInfo.publicSourceDir = newResPath; 11745 pkg.applicationInfo.nativeLibraryDir = newNativePath; 11746 PackageSetting ps = (PackageSetting) pkg.mExtras; 11747 ps.codePath = new File(pkg.applicationInfo.sourceDir); 11748 ps.codePathString = ps.codePath.getPath(); 11749 ps.resourcePath = new File( 11750 pkg.applicationInfo.publicSourceDir); 11751 ps.resourcePathString = ps.resourcePath.getPath(); 11752 ps.nativeLibraryPathString = newNativePath; 11753 // Set the application info flag 11754 // correctly. 11755 if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { 11756 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11757 } else { 11758 pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; 11759 } 11760 ps.setFlags(pkg.applicationInfo.flags); 11761 mAppDirs.remove(oldCodePath); 11762 mAppDirs.put(newCodePath, pkg); 11763 // Persist settings 11764 mSettings.writeLPr(); 11765 } 11766 } 11767 } 11768 } 11769 // Send resources available broadcast 11770 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 11771 } 11772 } 11773 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 11774 // Clean up failed installation 11775 if (mp.targetArgs != null) { 11776 mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR, 11777 -1); 11778 } 11779 } else { 11780 // Force a gc to clear things up. 11781 Runtime.getRuntime().gc(); 11782 // Delete older code 11783 synchronized (mInstallLock) { 11784 mp.srcArgs.doPostDeleteLI(true); 11785 } 11786 } 11787 11788 // Allow more operations on this file if we didn't fail because 11789 // an operation was already pending for this package. 11790 if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { 11791 synchronized (mPackages) { 11792 PackageParser.Package pkg = mPackages.get(mp.packageName); 11793 if (pkg != null) { 11794 pkg.mOperationPending = false; 11795 } 11796 } 11797 } 11798 11799 IPackageMoveObserver observer = mp.observer; 11800 if (observer != null) { 11801 try { 11802 observer.packageMoved(mp.packageName, returnCode); 11803 } catch (RemoteException e) { 11804 Log.i(TAG, "Observer no longer exists."); 11805 } 11806 } 11807 } 11808 }); 11809 } 11810 11811 public boolean setInstallLocation(int loc) { 11812 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 11813 null); 11814 if (getInstallLocation() == loc) { 11815 return true; 11816 } 11817 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 11818 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 11819 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 11820 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 11821 return true; 11822 } 11823 return false; 11824 } 11825 11826 public int getInstallLocation() { 11827 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 11828 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 11829 PackageHelper.APP_INSTALL_AUTO); 11830 } 11831 11832 /** Called by UserManagerService */ 11833 void cleanUpUserLILPw(int userHandle) { 11834 mDirtyUsers.remove(userHandle); 11835 mSettings.removeUserLPr(userHandle); 11836 mPendingBroadcasts.remove(userHandle); 11837 if (mInstaller != null) { 11838 // Technically, we shouldn't be doing this with the package lock 11839 // held. However, this is very rare, and there is already so much 11840 // other disk I/O going on, that we'll let it slide for now. 11841 mInstaller.removeUserDataDirs(userHandle); 11842 } 11843 } 11844 11845 /** Called by UserManagerService */ 11846 void createNewUserLILPw(int userHandle, File path) { 11847 if (mInstaller != null) { 11848 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 11849 } 11850 } 11851 11852 @Override 11853 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 11854 mContext.enforceCallingOrSelfPermission( 11855 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11856 "Only package verification agents can read the verifier device identity"); 11857 11858 synchronized (mPackages) { 11859 return mSettings.getVerifierDeviceIdentityLPw(); 11860 } 11861 } 11862 11863 @Override 11864 public void setPermissionEnforced(String permission, boolean enforced) { 11865 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 11866 if (READ_EXTERNAL_STORAGE.equals(permission)) { 11867 synchronized (mPackages) { 11868 if (mSettings.mReadExternalStorageEnforced == null 11869 || mSettings.mReadExternalStorageEnforced != enforced) { 11870 mSettings.mReadExternalStorageEnforced = enforced; 11871 mSettings.writeLPr(); 11872 } 11873 } 11874 // kill any non-foreground processes so we restart them and 11875 // grant/revoke the GID. 11876 final IActivityManager am = ActivityManagerNative.getDefault(); 11877 if (am != null) { 11878 final long token = Binder.clearCallingIdentity(); 11879 try { 11880 am.killProcessesBelowForeground("setPermissionEnforcement"); 11881 } catch (RemoteException e) { 11882 } finally { 11883 Binder.restoreCallingIdentity(token); 11884 } 11885 } 11886 } else { 11887 throw new IllegalArgumentException("No selective enforcement for " + permission); 11888 } 11889 } 11890 11891 @Override 11892 @Deprecated 11893 public boolean isPermissionEnforced(String permission) { 11894 return true; 11895 } 11896 11897 @Override 11898 public boolean isStorageLow() { 11899 final long token = Binder.clearCallingIdentity(); 11900 try { 11901 final DeviceStorageMonitorInternal 11902 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11903 if (dsm != null) { 11904 return dsm.isMemoryLow(); 11905 } else { 11906 return false; 11907 } 11908 } finally { 11909 Binder.restoreCallingIdentity(token); 11910 } 11911 } 11912} 11913