1 /* 2 * Copyright (C) 2010 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 17 package android.app; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.content.BroadcastReceiver; 22 import android.content.ComponentName; 23 import android.content.Context; 24 import android.content.IIntentReceiver; 25 import android.content.Intent; 26 import android.content.ServiceConnection; 27 import android.content.pm.ApplicationInfo; 28 import android.content.pm.IPackageManager; 29 import android.content.pm.PackageManager; 30 import android.content.pm.PackageManager.NameNotFoundException; 31 import android.content.pm.split.SplitDependencyLoader; 32 import android.content.res.AssetManager; 33 import android.content.res.CompatibilityInfo; 34 import android.content.res.Resources; 35 import android.os.Build; 36 import android.os.Bundle; 37 import android.os.Environment; 38 import android.os.FileUtils; 39 import android.os.Handler; 40 import android.os.IBinder; 41 import android.os.Process; 42 import android.os.RemoteException; 43 import android.os.StrictMode; 44 import android.os.SystemProperties; 45 import android.os.Trace; 46 import android.os.UserHandle; 47 import android.text.TextUtils; 48 import android.util.AndroidRuntimeException; 49 import android.util.ArrayMap; 50 import android.util.Log; 51 import android.util.Slog; 52 import android.util.SparseArray; 53 import android.view.Display; 54 import android.view.DisplayAdjustments; 55 56 import com.android.internal.util.ArrayUtils; 57 58 import dalvik.system.VMRuntime; 59 60 import java.io.File; 61 import java.io.IOException; 62 import java.io.InputStream; 63 import java.lang.ref.WeakReference; 64 import java.lang.reflect.InvocationTargetException; 65 import java.lang.reflect.Method; 66 import java.net.URL; 67 import java.util.ArrayList; 68 import java.util.Arrays; 69 import java.util.Collections; 70 import java.util.Enumeration; 71 import java.util.List; 72 import java.util.Objects; 73 74 final class IntentReceiverLeaked extends AndroidRuntimeException { 75 public IntentReceiverLeaked(String msg) { 76 super(msg); 77 } 78 } 79 80 final class ServiceConnectionLeaked extends AndroidRuntimeException { 81 public ServiceConnectionLeaked(String msg) { 82 super(msg); 83 } 84 } 85 86 /** 87 * Local state maintained about a currently loaded .apk. 88 * @hide 89 */ 90 public final class LoadedApk { 91 static final String TAG = "LoadedApk"; 92 static final boolean DEBUG = false; 93 94 private final ActivityThread mActivityThread; 95 final String mPackageName; 96 private ApplicationInfo mApplicationInfo; 97 private String mAppDir; 98 private String mResDir; 99 private String[] mOverlayDirs; 100 private String[] mSharedLibraries; 101 private String mDataDir; 102 private String mLibDir; 103 private File mDataDirFile; 104 private File mDeviceProtectedDataDirFile; 105 private File mCredentialProtectedDataDirFile; 106 private final ClassLoader mBaseClassLoader; 107 private final boolean mSecurityViolation; 108 private final boolean mIncludeCode; 109 private final boolean mRegisterPackage; 110 private final DisplayAdjustments mDisplayAdjustments = new DisplayAdjustments(); 111 /** WARNING: This may change. Don't hold external references to it. */ 112 Resources mResources; 113 private ClassLoader mClassLoader; 114 private Application mApplication; 115 116 private String[] mSplitNames; 117 private String[] mSplitAppDirs; 118 private String[] mSplitResDirs; 119 120 private final ArrayMap<Context, ArrayMap<BroadcastReceiver, ReceiverDispatcher>> mReceivers 121 = new ArrayMap<>(); 122 private final ArrayMap<Context, ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher>> mUnregisteredReceivers 123 = new ArrayMap<>(); 124 private final ArrayMap<Context, ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher>> mServices 125 = new ArrayMap<>(); 126 private final ArrayMap<Context, ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher>> mUnboundServices 127 = new ArrayMap<>(); 128 129 int mClientCount = 0; 130 131 Application getApplication() { 132 return mApplication; 133 } 134 135 /** 136 * Create information about a new .apk 137 * 138 * NOTE: This constructor is called with ActivityThread's lock held, 139 * so MUST NOT call back out to the activity manager. 140 */ 141 public LoadedApk(ActivityThread activityThread, ApplicationInfo aInfo, 142 CompatibilityInfo compatInfo, ClassLoader baseLoader, 143 boolean securityViolation, boolean includeCode, boolean registerPackage) { 144 145 mActivityThread = activityThread; 146 setApplicationInfo(aInfo); 147 mPackageName = aInfo.packageName; 148 mBaseClassLoader = baseLoader; 149 mSecurityViolation = securityViolation; 150 mIncludeCode = includeCode; 151 mRegisterPackage = registerPackage; 152 mDisplayAdjustments.setCompatibilityInfo(compatInfo); 153 } 154 155 private static ApplicationInfo adjustNativeLibraryPaths(ApplicationInfo info) { 156 // If we're dealing with a multi-arch application that has both 157 // 32 and 64 bit shared libraries, we might need to choose the secondary 158 // depending on what the current runtime's instruction set is. 159 if (info.primaryCpuAbi != null && info.secondaryCpuAbi != null) { 160 final String runtimeIsa = VMRuntime.getRuntime().vmInstructionSet(); 161 162 // Get the instruction set that the libraries of secondary Abi is supported. 163 // In presence of a native bridge this might be different than the one secondary Abi used. 164 String secondaryIsa = VMRuntime.getInstructionSet(info.secondaryCpuAbi); 165 final String secondaryDexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + secondaryIsa); 166 secondaryIsa = secondaryDexCodeIsa.isEmpty() ? secondaryIsa : secondaryDexCodeIsa; 167 168 // If the runtimeIsa is the same as the primary isa, then we do nothing. 169 // Everything will be set up correctly because info.nativeLibraryDir will 170 // correspond to the right ISA. 171 if (runtimeIsa.equals(secondaryIsa)) { 172 final ApplicationInfo modified = new ApplicationInfo(info); 173 modified.nativeLibraryDir = modified.secondaryNativeLibraryDir; 174 modified.primaryCpuAbi = modified.secondaryCpuAbi; 175 return modified; 176 } 177 } 178 179 return info; 180 } 181 182 /** 183 * Create information about the system package. 184 * Must call {@link #installSystemApplicationInfo} later. 185 */ 186 LoadedApk(ActivityThread activityThread) { 187 mActivityThread = activityThread; 188 mApplicationInfo = new ApplicationInfo(); 189 mApplicationInfo.packageName = "android"; 190 mPackageName = "android"; 191 mAppDir = null; 192 mResDir = null; 193 mSplitAppDirs = null; 194 mSplitResDirs = null; 195 mOverlayDirs = null; 196 mSharedLibraries = null; 197 mDataDir = null; 198 mDataDirFile = null; 199 mDeviceProtectedDataDirFile = null; 200 mCredentialProtectedDataDirFile = null; 201 mLibDir = null; 202 mBaseClassLoader = null; 203 mSecurityViolation = false; 204 mIncludeCode = true; 205 mRegisterPackage = false; 206 mClassLoader = ClassLoader.getSystemClassLoader(); 207 mResources = Resources.getSystem(); 208 } 209 210 /** 211 * Sets application info about the system package. 212 */ 213 void installSystemApplicationInfo(ApplicationInfo info, ClassLoader classLoader) { 214 assert info.packageName.equals("android"); 215 mApplicationInfo = info; 216 mClassLoader = classLoader; 217 } 218 219 public String getPackageName() { 220 return mPackageName; 221 } 222 223 public ApplicationInfo getApplicationInfo() { 224 return mApplicationInfo; 225 } 226 227 public int getTargetSdkVersion() { 228 return mApplicationInfo.targetSdkVersion; 229 } 230 231 public boolean isSecurityViolation() { 232 return mSecurityViolation; 233 } 234 235 public CompatibilityInfo getCompatibilityInfo() { 236 return mDisplayAdjustments.getCompatibilityInfo(); 237 } 238 239 public void setCompatibilityInfo(CompatibilityInfo compatInfo) { 240 mDisplayAdjustments.setCompatibilityInfo(compatInfo); 241 } 242 243 /** 244 * Gets the array of shared libraries that are listed as 245 * used by the given package. 246 * 247 * @param packageName the name of the package (note: not its 248 * file name) 249 * @return null-ok; the array of shared libraries, each one 250 * a fully-qualified path 251 */ 252 private static String[] getLibrariesFor(String packageName) { 253 ApplicationInfo ai = null; 254 try { 255 ai = ActivityThread.getPackageManager().getApplicationInfo(packageName, 256 PackageManager.GET_SHARED_LIBRARY_FILES, UserHandle.myUserId()); 257 } catch (RemoteException e) { 258 throw e.rethrowFromSystemServer(); 259 } 260 261 if (ai == null) { 262 return null; 263 } 264 265 return ai.sharedLibraryFiles; 266 } 267 268 /** 269 * Update the ApplicationInfo for an app. If oldPaths is null, all the paths are considered 270 * new. 271 * @param aInfo The new ApplicationInfo to use for this LoadedApk 272 * @param oldPaths The code paths for the old ApplicationInfo object. null means no paths can 273 * be reused. 274 */ 275 public void updateApplicationInfo(@NonNull ApplicationInfo aInfo, 276 @Nullable List<String> oldPaths) { 277 setApplicationInfo(aInfo); 278 279 final List<String> newPaths = new ArrayList<>(); 280 makePaths(mActivityThread, aInfo, newPaths); 281 final List<String> addedPaths = new ArrayList<>(newPaths.size()); 282 283 if (oldPaths != null) { 284 for (String path : newPaths) { 285 final String apkName = path.substring(path.lastIndexOf(File.separator)); 286 boolean match = false; 287 for (String oldPath : oldPaths) { 288 final String oldApkName = oldPath.substring(oldPath.lastIndexOf(File.separator)); 289 if (apkName.equals(oldApkName)) { 290 match = true; 291 break; 292 } 293 } 294 if (!match) { 295 addedPaths.add(path); 296 } 297 } 298 } else { 299 addedPaths.addAll(newPaths); 300 } 301 synchronized (this) { 302 createOrUpdateClassLoaderLocked(addedPaths); 303 if (mResources != null) { 304 final String[] splitPaths; 305 try { 306 splitPaths = getSplitPaths(null); 307 } catch (NameNotFoundException e) { 308 // This should NEVER fail. 309 throw new AssertionError("null split not found"); 310 } 311 312 mResources = ResourcesManager.getInstance().getResources(null, mResDir, 313 splitPaths, mOverlayDirs, mApplicationInfo.sharedLibraryFiles, 314 Display.DEFAULT_DISPLAY, null, getCompatibilityInfo(), 315 getClassLoader()); 316 } 317 } 318 } 319 320 private void setApplicationInfo(ApplicationInfo aInfo) { 321 final int myUid = Process.myUid(); 322 aInfo = adjustNativeLibraryPaths(aInfo); 323 mApplicationInfo = aInfo; 324 mAppDir = aInfo.sourceDir; 325 mResDir = aInfo.uid == myUid ? aInfo.sourceDir : aInfo.publicSourceDir; 326 mOverlayDirs = aInfo.resourceDirs; 327 mSharedLibraries = aInfo.sharedLibraryFiles; 328 mDataDir = aInfo.dataDir; 329 mLibDir = aInfo.nativeLibraryDir; 330 mDataDirFile = FileUtils.newFileOrNull(aInfo.dataDir); 331 mDeviceProtectedDataDirFile = FileUtils.newFileOrNull(aInfo.deviceProtectedDataDir); 332 mCredentialProtectedDataDirFile = FileUtils.newFileOrNull(aInfo.credentialProtectedDataDir); 333 334 mSplitNames = aInfo.splitNames; 335 mSplitAppDirs = aInfo.splitSourceDirs; 336 mSplitResDirs = aInfo.uid == myUid ? aInfo.splitSourceDirs : aInfo.splitPublicSourceDirs; 337 338 if (aInfo.requestsIsolatedSplitLoading() && !ArrayUtils.isEmpty(mSplitNames)) { 339 mSplitLoader = new SplitDependencyLoaderImpl(aInfo.splitDependencies); 340 } 341 } 342 343 public static void makePaths(ActivityThread activityThread, 344 ApplicationInfo aInfo, 345 List<String> outZipPaths) { 346 makePaths(activityThread, false, aInfo, outZipPaths, null); 347 } 348 349 public static void makePaths(ActivityThread activityThread, 350 boolean isBundledApp, 351 ApplicationInfo aInfo, 352 List<String> outZipPaths, 353 List<String> outLibPaths) { 354 final String appDir = aInfo.sourceDir; 355 final String libDir = aInfo.nativeLibraryDir; 356 final String[] sharedLibraries = aInfo.sharedLibraryFiles; 357 358 outZipPaths.clear(); 359 outZipPaths.add(appDir); 360 361 // Do not load all available splits if the app requested isolated split loading. 362 if (aInfo.splitSourceDirs != null && !aInfo.requestsIsolatedSplitLoading()) { 363 Collections.addAll(outZipPaths, aInfo.splitSourceDirs); 364 } 365 366 if (outLibPaths != null) { 367 outLibPaths.clear(); 368 } 369 370 /* 371 * The following is a bit of a hack to inject 372 * instrumentation into the system: If the app 373 * being started matches one of the instrumentation names, 374 * then we combine both the "instrumentation" and 375 * "instrumented" app into the path, along with the 376 * concatenation of both apps' shared library lists. 377 */ 378 379 String[] instrumentationLibs = null; 380 // activityThread will be null when called from the WebView zygote; just assume 381 // no instrumentation applies in this case. 382 if (activityThread != null) { 383 String instrumentationPackageName = activityThread.mInstrumentationPackageName; 384 String instrumentationAppDir = activityThread.mInstrumentationAppDir; 385 String[] instrumentationSplitAppDirs = activityThread.mInstrumentationSplitAppDirs; 386 String instrumentationLibDir = activityThread.mInstrumentationLibDir; 387 388 String instrumentedAppDir = activityThread.mInstrumentedAppDir; 389 String[] instrumentedSplitAppDirs = activityThread.mInstrumentedSplitAppDirs; 390 String instrumentedLibDir = activityThread.mInstrumentedLibDir; 391 392 if (appDir.equals(instrumentationAppDir) 393 || appDir.equals(instrumentedAppDir)) { 394 outZipPaths.clear(); 395 outZipPaths.add(instrumentationAppDir); 396 397 // Only add splits if the app did not request isolated split loading. 398 if (!aInfo.requestsIsolatedSplitLoading()) { 399 if (instrumentationSplitAppDirs != null) { 400 Collections.addAll(outZipPaths, instrumentationSplitAppDirs); 401 } 402 403 if (!instrumentationAppDir.equals(instrumentedAppDir)) { 404 outZipPaths.add(instrumentedAppDir); 405 if (instrumentedSplitAppDirs != null) { 406 Collections.addAll(outZipPaths, instrumentedSplitAppDirs); 407 } 408 } 409 } 410 411 if (outLibPaths != null) { 412 outLibPaths.add(instrumentationLibDir); 413 if (!instrumentationLibDir.equals(instrumentedLibDir)) { 414 outLibPaths.add(instrumentedLibDir); 415 } 416 } 417 418 if (!instrumentedAppDir.equals(instrumentationAppDir)) { 419 instrumentationLibs = getLibrariesFor(instrumentationPackageName); 420 } 421 } 422 } 423 424 if (outLibPaths != null) { 425 if (outLibPaths.isEmpty()) { 426 outLibPaths.add(libDir); 427 } 428 429 // Add path to libraries in apk for current abi. Do this now because more entries 430 // will be added to zipPaths that shouldn't be part of the library path. 431 if (aInfo.primaryCpuAbi != null) { 432 // Add fake libs into the library search path if we target prior to N. 433 if (aInfo.targetSdkVersion < Build.VERSION_CODES.N) { 434 outLibPaths.add("/system/fake-libs" + 435 (VMRuntime.is64BitAbi(aInfo.primaryCpuAbi) ? "64" : "")); 436 } 437 for (String apk : outZipPaths) { 438 outLibPaths.add(apk + "!/lib/" + aInfo.primaryCpuAbi); 439 } 440 } 441 442 if (isBundledApp) { 443 // Add path to system libraries to libPaths; 444 // Access to system libs should be limited 445 // to bundled applications; this is why updated 446 // system apps are not included. 447 outLibPaths.add(System.getProperty("java.library.path")); 448 } 449 } 450 451 if (sharedLibraries != null) { 452 for (String lib : sharedLibraries) { 453 if (!outZipPaths.contains(lib)) { 454 outZipPaths.add(0, lib); 455 appendApkLibPathIfNeeded(lib, aInfo, outLibPaths); 456 } 457 } 458 } 459 460 if (instrumentationLibs != null) { 461 for (String lib : instrumentationLibs) { 462 if (!outZipPaths.contains(lib)) { 463 outZipPaths.add(0, lib); 464 appendApkLibPathIfNeeded(lib, aInfo, outLibPaths); 465 } 466 } 467 } 468 } 469 470 /** 471 * This method appends a path to the appropriate native library folder of a 472 * library if this library is hosted in an APK. This allows support for native 473 * shared libraries. The library API is determined based on the application 474 * ABI. 475 * 476 * @param path Path to the library. 477 * @param applicationInfo The application depending on the library. 478 * @param outLibPaths List to which to add the native lib path if needed. 479 */ 480 private static void appendApkLibPathIfNeeded(@NonNull String path, 481 @NonNull ApplicationInfo applicationInfo, @Nullable List<String> outLibPaths) { 482 // Looking at the suffix is a little hacky but a safe and simple solution. 483 // We will be revisiting code in the next release and clean this up. 484 if (outLibPaths != null && applicationInfo.primaryCpuAbi != null && path.endsWith(".apk")) { 485 if (applicationInfo.targetSdkVersion >= Build.VERSION_CODES.O) { 486 outLibPaths.add(path + "!/lib/" + applicationInfo.primaryCpuAbi); 487 } 488 } 489 } 490 491 /* 492 * All indices received by the super class should be shifted by 1 when accessing mSplitNames, 493 * etc. The super class assumes the base APK is index 0, while the PackageManager APIs don't 494 * include the base APK in the list of splits. 495 */ 496 private class SplitDependencyLoaderImpl extends SplitDependencyLoader<NameNotFoundException> { 497 private final String[][] mCachedResourcePaths; 498 private final ClassLoader[] mCachedClassLoaders; 499 500 SplitDependencyLoaderImpl(@NonNull SparseArray<int[]> dependencies) { 501 super(dependencies); 502 mCachedResourcePaths = new String[mSplitNames.length + 1][]; 503 mCachedClassLoaders = new ClassLoader[mSplitNames.length + 1]; 504 } 505 506 @Override 507 protected boolean isSplitCached(int splitIdx) { 508 return mCachedClassLoaders[splitIdx] != null; 509 } 510 511 @Override 512 protected void constructSplit(int splitIdx, @NonNull int[] configSplitIndices, 513 int parentSplitIdx) throws NameNotFoundException { 514 final ArrayList<String> splitPaths = new ArrayList<>(); 515 if (splitIdx == 0) { 516 createOrUpdateClassLoaderLocked(null); 517 mCachedClassLoaders[0] = mClassLoader; 518 519 // Never add the base resources here, they always get added no matter what. 520 for (int configSplitIdx : configSplitIndices) { 521 splitPaths.add(mSplitResDirs[configSplitIdx - 1]); 522 } 523 mCachedResourcePaths[0] = splitPaths.toArray(new String[splitPaths.size()]); 524 return; 525 } 526 527 // Since we handled the special base case above, parentSplitIdx is always valid. 528 final ClassLoader parent = mCachedClassLoaders[parentSplitIdx]; 529 mCachedClassLoaders[splitIdx] = ApplicationLoaders.getDefault().getClassLoader( 530 mSplitAppDirs[splitIdx - 1], getTargetSdkVersion(), false, null, null, parent); 531 532 Collections.addAll(splitPaths, mCachedResourcePaths[parentSplitIdx]); 533 splitPaths.add(mSplitResDirs[splitIdx - 1]); 534 for (int configSplitIdx : configSplitIndices) { 535 splitPaths.add(mSplitResDirs[configSplitIdx - 1]); 536 } 537 mCachedResourcePaths[splitIdx] = splitPaths.toArray(new String[splitPaths.size()]); 538 } 539 540 private int ensureSplitLoaded(String splitName) throws NameNotFoundException { 541 int idx = 0; 542 if (splitName != null) { 543 idx = Arrays.binarySearch(mSplitNames, splitName); 544 if (idx < 0) { 545 throw new PackageManager.NameNotFoundException( 546 "Split name '" + splitName + "' is not installed"); 547 } 548 idx += 1; 549 } 550 loadDependenciesForSplit(idx); 551 return idx; 552 } 553 554 ClassLoader getClassLoaderForSplit(String splitName) throws NameNotFoundException { 555 return mCachedClassLoaders[ensureSplitLoaded(splitName)]; 556 } 557 558 String[] getSplitPathsForSplit(String splitName) throws NameNotFoundException { 559 return mCachedResourcePaths[ensureSplitLoaded(splitName)]; 560 } 561 } 562 563 private SplitDependencyLoaderImpl mSplitLoader; 564 565 ClassLoader getSplitClassLoader(String splitName) throws NameNotFoundException { 566 if (mSplitLoader == null) { 567 return mClassLoader; 568 } 569 return mSplitLoader.getClassLoaderForSplit(splitName); 570 } 571 572 String[] getSplitPaths(String splitName) throws NameNotFoundException { 573 if (mSplitLoader == null) { 574 return mSplitResDirs; 575 } 576 return mSplitLoader.getSplitPathsForSplit(splitName); 577 } 578 579 private void createOrUpdateClassLoaderLocked(List<String> addedPaths) { 580 if (mPackageName.equals("android")) { 581 // Note: This branch is taken for system server and we don't need to setup 582 // jit profiling support. 583 if (mClassLoader != null) { 584 // nothing to update 585 return; 586 } 587 588 if (mBaseClassLoader != null) { 589 mClassLoader = mBaseClassLoader; 590 } else { 591 mClassLoader = ClassLoader.getSystemClassLoader(); 592 } 593 594 return; 595 } 596 597 // Avoid the binder call when the package is the current application package. 598 // The activity manager will perform ensure that dexopt is performed before 599 // spinning up the process. 600 if (!Objects.equals(mPackageName, ActivityThread.currentPackageName()) && mIncludeCode) { 601 try { 602 ActivityThread.getPackageManager().notifyPackageUse(mPackageName, 603 PackageManager.NOTIFY_PACKAGE_USE_CROSS_PACKAGE); 604 } catch (RemoteException re) { 605 throw re.rethrowFromSystemServer(); 606 } 607 } 608 609 if (mRegisterPackage) { 610 try { 611 ActivityManager.getService().addPackageDependency(mPackageName); 612 } catch (RemoteException e) { 613 throw e.rethrowFromSystemServer(); 614 } 615 } 616 617 // Lists for the elements of zip/code and native libraries. 618 // 619 // Both lists are usually not empty. We expect on average one APK for the zip component, 620 // but shared libraries and splits are not uncommon. We expect at least three elements 621 // for native libraries (app-based, system, vendor). As such, give both some breathing 622 // space and initialize to a small value (instead of incurring growth code). 623 final List<String> zipPaths = new ArrayList<>(10); 624 final List<String> libPaths = new ArrayList<>(10); 625 626 final boolean isBundledApp = mApplicationInfo.isSystemApp() 627 && !mApplicationInfo.isUpdatedSystemApp(); 628 629 makePaths(mActivityThread, isBundledApp, mApplicationInfo, zipPaths, libPaths); 630 631 String libraryPermittedPath = mDataDir; 632 if (isBundledApp) { 633 // This is necessary to grant bundled apps access to 634 // libraries located in subdirectories of /system/lib 635 libraryPermittedPath += File.pathSeparator + 636 System.getProperty("java.library.path"); 637 } 638 639 final String librarySearchPath = TextUtils.join(File.pathSeparator, libPaths); 640 641 // If we're not asked to include code, we construct a classloader that has 642 // no code path included. We still need to set up the library search paths 643 // and permitted path because NativeActivity relies on it (it attempts to 644 // call System.loadLibrary() on a classloader from a LoadedApk with 645 // mIncludeCode == false). 646 if (!mIncludeCode) { 647 if (mClassLoader == null) { 648 StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); 649 mClassLoader = ApplicationLoaders.getDefault().getClassLoader( 650 "" /* codePath */, mApplicationInfo.targetSdkVersion, isBundledApp, 651 librarySearchPath, libraryPermittedPath, mBaseClassLoader); 652 StrictMode.setThreadPolicy(oldPolicy); 653 } 654 655 return; 656 } 657 658 /* 659 * With all the combination done (if necessary, actually create the java class 660 * loader and set up JIT profiling support if necessary. 661 * 662 * In many cases this is a single APK, so try to avoid the StringBuilder in TextUtils. 663 */ 664 final String zip = (zipPaths.size() == 1) ? zipPaths.get(0) : 665 TextUtils.join(File.pathSeparator, zipPaths); 666 667 if (DEBUG) Slog.v(ActivityThread.TAG, "Class path: " + zip + 668 ", JNI path: " + librarySearchPath); 669 670 boolean needToSetupJitProfiles = false; 671 if (mClassLoader == null) { 672 // Temporarily disable logging of disk reads on the Looper thread 673 // as this is early and necessary. 674 StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads(); 675 676 mClassLoader = ApplicationLoaders.getDefault().getClassLoader(zip, 677 mApplicationInfo.targetSdkVersion, isBundledApp, librarySearchPath, 678 libraryPermittedPath, mBaseClassLoader); 679 680 StrictMode.setThreadPolicy(oldPolicy); 681 // Setup the class loader paths for profiling. 682 needToSetupJitProfiles = true; 683 } 684 685 if (addedPaths != null && addedPaths.size() > 0) { 686 final String add = TextUtils.join(File.pathSeparator, addedPaths); 687 ApplicationLoaders.getDefault().addPath(mClassLoader, add); 688 // Setup the new code paths for profiling. 689 needToSetupJitProfiles = true; 690 } 691 692 // Setup jit profile support. 693 // 694 // It is ok to call this multiple times if the application gets updated with new splits. 695 // The runtime only keeps track of unique code paths and can handle re-registration of 696 // the same code path. There's no need to pass `addedPaths` since any new code paths 697 // are already in `mApplicationInfo`. 698 // 699 // It is NOT ok to call this function from the system_server (for any of the packages it 700 // loads code from) so we explicitly disallow it there. 701 if (needToSetupJitProfiles && !ActivityThread.isSystem()) { 702 setupJitProfileSupport(); 703 } 704 } 705 706 public ClassLoader getClassLoader() { 707 synchronized (this) { 708 if (mClassLoader == null) { 709 createOrUpdateClassLoaderLocked(null /*addedPaths*/); 710 } 711 return mClassLoader; 712 } 713 } 714 715 // Keep in sync with installd (frameworks/native/cmds/installd/commands.cpp). 716 private static File getPrimaryProfileFile(String packageName) { 717 File profileDir = Environment.getDataProfilesDePackageDirectory( 718 UserHandle.myUserId(), packageName); 719 return new File(profileDir, "primary.prof"); 720 } 721 722 private void setupJitProfileSupport() { 723 if (!SystemProperties.getBoolean("dalvik.vm.usejitprofiles", false)) { 724 return; 725 } 726 // Only set up profile support if the loaded apk has the same uid as the 727 // current process. 728 // Currently, we do not support profiling across different apps. 729 // (e.g. application's uid might be different when the code is 730 // loaded by another app via createApplicationContext) 731 if (mApplicationInfo.uid != Process.myUid()) { 732 return; 733 } 734 735 final List<String> codePaths = new ArrayList<>(); 736 if ((mApplicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0) { 737 codePaths.add(mApplicationInfo.sourceDir); 738 } 739 if (mApplicationInfo.splitSourceDirs != null) { 740 Collections.addAll(codePaths, mApplicationInfo.splitSourceDirs); 741 } 742 743 if (codePaths.isEmpty()) { 744 // If there are no code paths there's no need to setup a profile file and register with 745 // the runtime, 746 return; 747 } 748 749 final File profileFile = getPrimaryProfileFile(mPackageName); 750 751 VMRuntime.registerAppInfo(profileFile.getPath(), 752 codePaths.toArray(new String[codePaths.size()])); 753 754 // Register the app data directory with the reporter. It will 755 // help deciding whether or not a dex file is the primary apk or a 756 // secondary dex. 757 DexLoadReporter.getInstance().registerAppDataDir(mPackageName, mDataDir); 758 } 759 760 /** 761 * Setup value for Thread.getContextClassLoader(). If the 762 * package will not run in in a VM with other packages, we set 763 * the Java context ClassLoader to the 764 * PackageInfo.getClassLoader value. However, if this VM can 765 * contain multiple packages, we intead set the Java context 766 * ClassLoader to a proxy that will warn about the use of Java 767 * context ClassLoaders and then fall through to use the 768 * system ClassLoader. 769 * 770 * <p> Note that this is similar to but not the same as the 771 * android.content.Context.getClassLoader(). While both 772 * context class loaders are typically set to the 773 * PathClassLoader used to load the package archive in the 774 * single application per VM case, a single Android process 775 * may contain several Contexts executing on one thread with 776 * their own logical ClassLoaders while the Java context 777 * ClassLoader is a thread local. This is why in the case when 778 * we have multiple packages per VM we do not set the Java 779 * context ClassLoader to an arbitrary but instead warn the 780 * user to set their own if we detect that they are using a 781 * Java library that expects it to be set. 782 */ 783 private void initializeJavaContextClassLoader() { 784 IPackageManager pm = ActivityThread.getPackageManager(); 785 android.content.pm.PackageInfo pi; 786 try { 787 pi = pm.getPackageInfo(mPackageName, PackageManager.MATCH_DEBUG_TRIAGED_MISSING, 788 UserHandle.myUserId()); 789 } catch (RemoteException e) { 790 throw e.rethrowFromSystemServer(); 791 } 792 if (pi == null) { 793 throw new IllegalStateException("Unable to get package info for " 794 + mPackageName + "; is package not installed?"); 795 } 796 /* 797 * Two possible indications that this package could be 798 * sharing its virtual machine with other packages: 799 * 800 * 1.) the sharedUserId attribute is set in the manifest, 801 * indicating a request to share a VM with other 802 * packages with the same sharedUserId. 803 * 804 * 2.) the application element of the manifest has an 805 * attribute specifying a non-default process name, 806 * indicating the desire to run in another packages VM. 807 */ 808 boolean sharedUserIdSet = (pi.sharedUserId != null); 809 boolean processNameNotDefault = 810 (pi.applicationInfo != null && 811 !mPackageName.equals(pi.applicationInfo.processName)); 812 boolean sharable = (sharedUserIdSet || processNameNotDefault); 813 ClassLoader contextClassLoader = 814 (sharable) 815 ? new WarningContextClassLoader() 816 : mClassLoader; 817 Thread.currentThread().setContextClassLoader(contextClassLoader); 818 } 819 820 private static class WarningContextClassLoader extends ClassLoader { 821 822 private static boolean warned = false; 823 824 private void warn(String methodName) { 825 if (warned) { 826 return; 827 } 828 warned = true; 829 Thread.currentThread().setContextClassLoader(getParent()); 830 Slog.w(ActivityThread.TAG, "ClassLoader." + methodName + ": " + 831 "The class loader returned by " + 832 "Thread.getContextClassLoader() may fail for processes " + 833 "that host multiple applications. You should explicitly " + 834 "specify a context class loader. For example: " + 835 "Thread.setContextClassLoader(getClass().getClassLoader());"); 836 } 837 838 @Override public URL getResource(String resName) { 839 warn("getResource"); 840 return getParent().getResource(resName); 841 } 842 843 @Override public Enumeration<URL> getResources(String resName) throws IOException { 844 warn("getResources"); 845 return getParent().getResources(resName); 846 } 847 848 @Override public InputStream getResourceAsStream(String resName) { 849 warn("getResourceAsStream"); 850 return getParent().getResourceAsStream(resName); 851 } 852 853 @Override public Class<?> loadClass(String className) throws ClassNotFoundException { 854 warn("loadClass"); 855 return getParent().loadClass(className); 856 } 857 858 @Override public void setClassAssertionStatus(String cname, boolean enable) { 859 warn("setClassAssertionStatus"); 860 getParent().setClassAssertionStatus(cname, enable); 861 } 862 863 @Override public void setPackageAssertionStatus(String pname, boolean enable) { 864 warn("setPackageAssertionStatus"); 865 getParent().setPackageAssertionStatus(pname, enable); 866 } 867 868 @Override public void setDefaultAssertionStatus(boolean enable) { 869 warn("setDefaultAssertionStatus"); 870 getParent().setDefaultAssertionStatus(enable); 871 } 872 873 @Override public void clearAssertionStatus() { 874 warn("clearAssertionStatus"); 875 getParent().clearAssertionStatus(); 876 } 877 } 878 879 public String getAppDir() { 880 return mAppDir; 881 } 882 883 public String getLibDir() { 884 return mLibDir; 885 } 886 887 public String getResDir() { 888 return mResDir; 889 } 890 891 public String[] getSplitAppDirs() { 892 return mSplitAppDirs; 893 } 894 895 public String[] getSplitResDirs() { 896 return mSplitResDirs; 897 } 898 899 public String[] getOverlayDirs() { 900 return mOverlayDirs; 901 } 902 903 public String getDataDir() { 904 return mDataDir; 905 } 906 907 public File getDataDirFile() { 908 return mDataDirFile; 909 } 910 911 public File getDeviceProtectedDataDirFile() { 912 return mDeviceProtectedDataDirFile; 913 } 914 915 public File getCredentialProtectedDataDirFile() { 916 return mCredentialProtectedDataDirFile; 917 } 918 919 public AssetManager getAssets() { 920 return getResources().getAssets(); 921 } 922 923 public Resources getResources() { 924 if (mResources == null) { 925 final String[] splitPaths; 926 try { 927 splitPaths = getSplitPaths(null); 928 } catch (NameNotFoundException e) { 929 // This should never fail. 930 throw new AssertionError("null split not found"); 931 } 932 933 mResources = ResourcesManager.getInstance().getResources(null, mResDir, 934 splitPaths, mOverlayDirs, mApplicationInfo.sharedLibraryFiles, 935 Display.DEFAULT_DISPLAY, null, getCompatibilityInfo(), 936 getClassLoader()); 937 } 938 return mResources; 939 } 940 941 public Application makeApplication(boolean forceDefaultAppClass, 942 Instrumentation instrumentation) { 943 if (mApplication != null) { 944 return mApplication; 945 } 946 947 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "makeApplication"); 948 949 Application app = null; 950 951 String appClass = mApplicationInfo.className; 952 if (forceDefaultAppClass || (appClass == null)) { 953 appClass = "android.app.Application"; 954 } 955 956 try { 957 java.lang.ClassLoader cl = getClassLoader(); 958 if (!mPackageName.equals("android")) { 959 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, 960 "initializeJavaContextClassLoader"); 961 initializeJavaContextClassLoader(); 962 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 963 } 964 ContextImpl appContext = ContextImpl.createAppContext(mActivityThread, this); 965 app = mActivityThread.mInstrumentation.newApplication( 966 cl, appClass, appContext); 967 appContext.setOuterContext(app); 968 } catch (Exception e) { 969 if (!mActivityThread.mInstrumentation.onException(app, e)) { 970 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 971 throw new RuntimeException( 972 "Unable to instantiate application " + appClass 973 + ": " + e.toString(), e); 974 } 975 } 976 mActivityThread.mAllApplications.add(app); 977 mApplication = app; 978 979 if (instrumentation != null) { 980 try { 981 instrumentation.callApplicationOnCreate(app); 982 } catch (Exception e) { 983 if (!instrumentation.onException(app, e)) { 984 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 985 throw new RuntimeException( 986 "Unable to create application " + app.getClass().getName() 987 + ": " + e.toString(), e); 988 } 989 } 990 } 991 992 // Rewrite the R 'constants' for all library apks. 993 SparseArray<String> packageIdentifiers = getAssets().getAssignedPackageIdentifiers(); 994 final int N = packageIdentifiers.size(); 995 for (int i = 0; i < N; i++) { 996 final int id = packageIdentifiers.keyAt(i); 997 if (id == 0x01 || id == 0x7f) { 998 continue; 999 } 1000 1001 rewriteRValues(getClassLoader(), packageIdentifiers.valueAt(i), id); 1002 } 1003 1004 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 1005 1006 return app; 1007 } 1008 1009 private void rewriteRValues(ClassLoader cl, String packageName, int id) { 1010 final Class<?> rClazz; 1011 try { 1012 rClazz = cl.loadClass(packageName + ".R"); 1013 } catch (ClassNotFoundException e) { 1014 // This is not necessarily an error, as some packages do not ship with resources 1015 // (or they do not need rewriting). 1016 Log.i(TAG, "No resource references to update in package " + packageName); 1017 return; 1018 } 1019 1020 final Method callback; 1021 try { 1022 callback = rClazz.getMethod("onResourcesLoaded", int.class); 1023 } catch (NoSuchMethodException e) { 1024 // No rewriting to be done. 1025 return; 1026 } 1027 1028 Throwable cause; 1029 try { 1030 callback.invoke(null, id); 1031 return; 1032 } catch (IllegalAccessException e) { 1033 cause = e; 1034 } catch (InvocationTargetException e) { 1035 cause = e.getCause(); 1036 } 1037 1038 throw new RuntimeException("Failed to rewrite resource references for " + packageName, 1039 cause); 1040 } 1041 1042 public void removeContextRegistrations(Context context, 1043 String who, String what) { 1044 final boolean reportRegistrationLeaks = StrictMode.vmRegistrationLeaksEnabled(); 1045 synchronized (mReceivers) { 1046 ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher> rmap = 1047 mReceivers.remove(context); 1048 if (rmap != null) { 1049 for (int i = 0; i < rmap.size(); i++) { 1050 LoadedApk.ReceiverDispatcher rd = rmap.valueAt(i); 1051 IntentReceiverLeaked leak = new IntentReceiverLeaked( 1052 what + " " + who + " has leaked IntentReceiver " 1053 + rd.getIntentReceiver() + " that was " + 1054 "originally registered here. Are you missing a " + 1055 "call to unregisterReceiver()?"); 1056 leak.setStackTrace(rd.getLocation().getStackTrace()); 1057 Slog.e(ActivityThread.TAG, leak.getMessage(), leak); 1058 if (reportRegistrationLeaks) { 1059 StrictMode.onIntentReceiverLeaked(leak); 1060 } 1061 try { 1062 ActivityManager.getService().unregisterReceiver( 1063 rd.getIIntentReceiver()); 1064 } catch (RemoteException e) { 1065 throw e.rethrowFromSystemServer(); 1066 } 1067 } 1068 } 1069 mUnregisteredReceivers.remove(context); 1070 } 1071 1072 synchronized (mServices) { 1073 //Slog.i(TAG, "Receiver registrations: " + mReceivers); 1074 ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher> smap = 1075 mServices.remove(context); 1076 if (smap != null) { 1077 for (int i = 0; i < smap.size(); i++) { 1078 LoadedApk.ServiceDispatcher sd = smap.valueAt(i); 1079 ServiceConnectionLeaked leak = new ServiceConnectionLeaked( 1080 what + " " + who + " has leaked ServiceConnection " 1081 + sd.getServiceConnection() + " that was originally bound here"); 1082 leak.setStackTrace(sd.getLocation().getStackTrace()); 1083 Slog.e(ActivityThread.TAG, leak.getMessage(), leak); 1084 if (reportRegistrationLeaks) { 1085 StrictMode.onServiceConnectionLeaked(leak); 1086 } 1087 try { 1088 ActivityManager.getService().unbindService( 1089 sd.getIServiceConnection()); 1090 } catch (RemoteException e) { 1091 throw e.rethrowFromSystemServer(); 1092 } 1093 sd.doForget(); 1094 } 1095 } 1096 mUnboundServices.remove(context); 1097 //Slog.i(TAG, "Service registrations: " + mServices); 1098 } 1099 } 1100 1101 public IIntentReceiver getReceiverDispatcher(BroadcastReceiver r, 1102 Context context, Handler handler, 1103 Instrumentation instrumentation, boolean registered) { 1104 synchronized (mReceivers) { 1105 LoadedApk.ReceiverDispatcher rd = null; 1106 ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher> map = null; 1107 if (registered) { 1108 map = mReceivers.get(context); 1109 if (map != null) { 1110 rd = map.get(r); 1111 } 1112 } 1113 if (rd == null) { 1114 rd = new ReceiverDispatcher(r, context, handler, 1115 instrumentation, registered); 1116 if (registered) { 1117 if (map == null) { 1118 map = new ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher>(); 1119 mReceivers.put(context, map); 1120 } 1121 map.put(r, rd); 1122 } 1123 } else { 1124 rd.validate(context, handler); 1125 } 1126 rd.mForgotten = false; 1127 return rd.getIIntentReceiver(); 1128 } 1129 } 1130 1131 public IIntentReceiver forgetReceiverDispatcher(Context context, 1132 BroadcastReceiver r) { 1133 synchronized (mReceivers) { 1134 ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher> map = mReceivers.get(context); 1135 LoadedApk.ReceiverDispatcher rd = null; 1136 if (map != null) { 1137 rd = map.get(r); 1138 if (rd != null) { 1139 map.remove(r); 1140 if (map.size() == 0) { 1141 mReceivers.remove(context); 1142 } 1143 if (r.getDebugUnregister()) { 1144 ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher> holder 1145 = mUnregisteredReceivers.get(context); 1146 if (holder == null) { 1147 holder = new ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher>(); 1148 mUnregisteredReceivers.put(context, holder); 1149 } 1150 RuntimeException ex = new IllegalArgumentException( 1151 "Originally unregistered here:"); 1152 ex.fillInStackTrace(); 1153 rd.setUnregisterLocation(ex); 1154 holder.put(r, rd); 1155 } 1156 rd.mForgotten = true; 1157 return rd.getIIntentReceiver(); 1158 } 1159 } 1160 ArrayMap<BroadcastReceiver, LoadedApk.ReceiverDispatcher> holder 1161 = mUnregisteredReceivers.get(context); 1162 if (holder != null) { 1163 rd = holder.get(r); 1164 if (rd != null) { 1165 RuntimeException ex = rd.getUnregisterLocation(); 1166 throw new IllegalArgumentException( 1167 "Unregistering Receiver " + r 1168 + " that was already unregistered", ex); 1169 } 1170 } 1171 if (context == null) { 1172 throw new IllegalStateException("Unbinding Receiver " + r 1173 + " from Context that is no longer in use: " + context); 1174 } else { 1175 throw new IllegalArgumentException("Receiver not registered: " + r); 1176 } 1177 1178 } 1179 } 1180 1181 static final class ReceiverDispatcher { 1182 1183 final static class InnerReceiver extends IIntentReceiver.Stub { 1184 final WeakReference<LoadedApk.ReceiverDispatcher> mDispatcher; 1185 final LoadedApk.ReceiverDispatcher mStrongRef; 1186 1187 InnerReceiver(LoadedApk.ReceiverDispatcher rd, boolean strong) { 1188 mDispatcher = new WeakReference<LoadedApk.ReceiverDispatcher>(rd); 1189 mStrongRef = strong ? rd : null; 1190 } 1191 1192 @Override 1193 public void performReceive(Intent intent, int resultCode, String data, 1194 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 1195 final LoadedApk.ReceiverDispatcher rd; 1196 if (intent == null) { 1197 Log.wtf(TAG, "Null intent received"); 1198 rd = null; 1199 } else { 1200 rd = mDispatcher.get(); 1201 } 1202 if (ActivityThread.DEBUG_BROADCAST) { 1203 int seq = intent.getIntExtra("seq", -1); 1204 Slog.i(ActivityThread.TAG, "Receiving broadcast " + intent.getAction() 1205 + " seq=" + seq + " to " + (rd != null ? rd.mReceiver : null)); 1206 } 1207 if (rd != null) { 1208 rd.performReceive(intent, resultCode, data, extras, 1209 ordered, sticky, sendingUser); 1210 } else { 1211 // The activity manager dispatched a broadcast to a registered 1212 // receiver in this process, but before it could be delivered the 1213 // receiver was unregistered. Acknowledge the broadcast on its 1214 // behalf so that the system's broadcast sequence can continue. 1215 if (ActivityThread.DEBUG_BROADCAST) Slog.i(ActivityThread.TAG, 1216 "Finishing broadcast to unregistered receiver"); 1217 IActivityManager mgr = ActivityManager.getService(); 1218 try { 1219 if (extras != null) { 1220 extras.setAllowFds(false); 1221 } 1222 mgr.finishReceiver(this, resultCode, data, extras, false, intent.getFlags()); 1223 } catch (RemoteException e) { 1224 throw e.rethrowFromSystemServer(); 1225 } 1226 } 1227 } 1228 } 1229 1230 final IIntentReceiver.Stub mIIntentReceiver; 1231 final BroadcastReceiver mReceiver; 1232 final Context mContext; 1233 final Handler mActivityThread; 1234 final Instrumentation mInstrumentation; 1235 final boolean mRegistered; 1236 final IntentReceiverLeaked mLocation; 1237 RuntimeException mUnregisterLocation; 1238 boolean mForgotten; 1239 1240 final class Args extends BroadcastReceiver.PendingResult { 1241 private Intent mCurIntent; 1242 private final boolean mOrdered; 1243 private boolean mDispatched; 1244 private Throwable mPreviousRunStacktrace; // To investigate b/37809561. STOPSHIP remove. 1245 1246 public Args(Intent intent, int resultCode, String resultData, Bundle resultExtras, 1247 boolean ordered, boolean sticky, int sendingUser) { 1248 super(resultCode, resultData, resultExtras, 1249 mRegistered ? TYPE_REGISTERED : TYPE_UNREGISTERED, ordered, 1250 sticky, mIIntentReceiver.asBinder(), sendingUser, intent.getFlags()); 1251 mCurIntent = intent; 1252 mOrdered = ordered; 1253 } 1254 1255 public final Runnable getRunnable() { 1256 return () -> { 1257 final BroadcastReceiver receiver = mReceiver; 1258 final boolean ordered = mOrdered; 1259 1260 if (ActivityThread.DEBUG_BROADCAST) { 1261 int seq = mCurIntent.getIntExtra("seq", -1); 1262 Slog.i(ActivityThread.TAG, "Dispatching broadcast " + mCurIntent.getAction() 1263 + " seq=" + seq + " to " + mReceiver); 1264 Slog.i(ActivityThread.TAG, " mRegistered=" + mRegistered 1265 + " mOrderedHint=" + ordered); 1266 } 1267 1268 final IActivityManager mgr = ActivityManager.getService(); 1269 final Intent intent = mCurIntent; 1270 if (intent == null) { 1271 Log.wtf(TAG, "Null intent being dispatched, mDispatched=" + mDispatched 1272 + ": run() previously called at " 1273 + Log.getStackTraceString(mPreviousRunStacktrace)); 1274 } 1275 1276 mCurIntent = null; 1277 mDispatched = true; 1278 mPreviousRunStacktrace = new Throwable("Previous stacktrace"); 1279 if (receiver == null || intent == null || mForgotten) { 1280 if (mRegistered && ordered) { 1281 if (ActivityThread.DEBUG_BROADCAST) Slog.i(ActivityThread.TAG, 1282 "Finishing null broadcast to " + mReceiver); 1283 sendFinished(mgr); 1284 } 1285 return; 1286 } 1287 1288 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "broadcastReceiveReg"); 1289 try { 1290 ClassLoader cl = mReceiver.getClass().getClassLoader(); 1291 intent.setExtrasClassLoader(cl); 1292 intent.prepareToEnterProcess(); 1293 setExtrasClassLoader(cl); 1294 receiver.setPendingResult(this); 1295 receiver.onReceive(mContext, intent); 1296 } catch (Exception e) { 1297 if (mRegistered && ordered) { 1298 if (ActivityThread.DEBUG_BROADCAST) Slog.i(ActivityThread.TAG, 1299 "Finishing failed broadcast to " + mReceiver); 1300 sendFinished(mgr); 1301 } 1302 if (mInstrumentation == null || 1303 !mInstrumentation.onException(mReceiver, e)) { 1304 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 1305 throw new RuntimeException( 1306 "Error receiving broadcast " + intent 1307 + " in " + mReceiver, e); 1308 } 1309 } 1310 1311 if (receiver.getPendingResult() != null) { 1312 finish(); 1313 } 1314 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 1315 }; 1316 } 1317 } 1318 1319 ReceiverDispatcher(BroadcastReceiver receiver, Context context, 1320 Handler activityThread, Instrumentation instrumentation, 1321 boolean registered) { 1322 if (activityThread == null) { 1323 throw new NullPointerException("Handler must not be null"); 1324 } 1325 1326 mIIntentReceiver = new InnerReceiver(this, !registered); 1327 mReceiver = receiver; 1328 mContext = context; 1329 mActivityThread = activityThread; 1330 mInstrumentation = instrumentation; 1331 mRegistered = registered; 1332 mLocation = new IntentReceiverLeaked(null); 1333 mLocation.fillInStackTrace(); 1334 } 1335 1336 void validate(Context context, Handler activityThread) { 1337 if (mContext != context) { 1338 throw new IllegalStateException( 1339 "Receiver " + mReceiver + 1340 " registered with differing Context (was " + 1341 mContext + " now " + context + ")"); 1342 } 1343 if (mActivityThread != activityThread) { 1344 throw new IllegalStateException( 1345 "Receiver " + mReceiver + 1346 " registered with differing handler (was " + 1347 mActivityThread + " now " + activityThread + ")"); 1348 } 1349 } 1350 1351 IntentReceiverLeaked getLocation() { 1352 return mLocation; 1353 } 1354 1355 BroadcastReceiver getIntentReceiver() { 1356 return mReceiver; 1357 } 1358 1359 IIntentReceiver getIIntentReceiver() { 1360 return mIIntentReceiver; 1361 } 1362 1363 void setUnregisterLocation(RuntimeException ex) { 1364 mUnregisterLocation = ex; 1365 } 1366 1367 RuntimeException getUnregisterLocation() { 1368 return mUnregisterLocation; 1369 } 1370 1371 public void performReceive(Intent intent, int resultCode, String data, 1372 Bundle extras, boolean ordered, boolean sticky, int sendingUser) { 1373 final Args args = new Args(intent, resultCode, data, extras, ordered, 1374 sticky, sendingUser); 1375 if (intent == null) { 1376 Log.wtf(TAG, "Null intent received"); 1377 } else { 1378 if (ActivityThread.DEBUG_BROADCAST) { 1379 int seq = intent.getIntExtra("seq", -1); 1380 Slog.i(ActivityThread.TAG, "Enqueueing broadcast " + intent.getAction() 1381 + " seq=" + seq + " to " + mReceiver); 1382 } 1383 } 1384 if (intent == null || !mActivityThread.post(args.getRunnable())) { 1385 if (mRegistered && ordered) { 1386 IActivityManager mgr = ActivityManager.getService(); 1387 if (ActivityThread.DEBUG_BROADCAST) Slog.i(ActivityThread.TAG, 1388 "Finishing sync broadcast to " + mReceiver); 1389 args.sendFinished(mgr); 1390 } 1391 } 1392 } 1393 1394 } 1395 1396 public final IServiceConnection getServiceDispatcher(ServiceConnection c, 1397 Context context, Handler handler, int flags) { 1398 synchronized (mServices) { 1399 LoadedApk.ServiceDispatcher sd = null; 1400 ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher> map = mServices.get(context); 1401 if (map != null) { 1402 if (DEBUG) Slog.d(TAG, "Returning existing dispatcher " + sd + " for conn " + c); 1403 sd = map.get(c); 1404 } 1405 if (sd == null) { 1406 sd = new ServiceDispatcher(c, context, handler, flags); 1407 if (DEBUG) Slog.d(TAG, "Creating new dispatcher " + sd + " for conn " + c); 1408 if (map == null) { 1409 map = new ArrayMap<>(); 1410 mServices.put(context, map); 1411 } 1412 map.put(c, sd); 1413 } else { 1414 sd.validate(context, handler); 1415 } 1416 return sd.getIServiceConnection(); 1417 } 1418 } 1419 1420 public final IServiceConnection forgetServiceDispatcher(Context context, 1421 ServiceConnection c) { 1422 synchronized (mServices) { 1423 ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher> map 1424 = mServices.get(context); 1425 LoadedApk.ServiceDispatcher sd = null; 1426 if (map != null) { 1427 sd = map.get(c); 1428 if (sd != null) { 1429 if (DEBUG) Slog.d(TAG, "Removing dispatcher " + sd + " for conn " + c); 1430 map.remove(c); 1431 sd.doForget(); 1432 if (map.size() == 0) { 1433 mServices.remove(context); 1434 } 1435 if ((sd.getFlags()&Context.BIND_DEBUG_UNBIND) != 0) { 1436 ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher> holder 1437 = mUnboundServices.get(context); 1438 if (holder == null) { 1439 holder = new ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher>(); 1440 mUnboundServices.put(context, holder); 1441 } 1442 RuntimeException ex = new IllegalArgumentException( 1443 "Originally unbound here:"); 1444 ex.fillInStackTrace(); 1445 sd.setUnbindLocation(ex); 1446 holder.put(c, sd); 1447 } 1448 return sd.getIServiceConnection(); 1449 } 1450 } 1451 ArrayMap<ServiceConnection, LoadedApk.ServiceDispatcher> holder 1452 = mUnboundServices.get(context); 1453 if (holder != null) { 1454 sd = holder.get(c); 1455 if (sd != null) { 1456 RuntimeException ex = sd.getUnbindLocation(); 1457 throw new IllegalArgumentException( 1458 "Unbinding Service " + c 1459 + " that was already unbound", ex); 1460 } 1461 } 1462 if (context == null) { 1463 throw new IllegalStateException("Unbinding Service " + c 1464 + " from Context that is no longer in use: " + context); 1465 } else { 1466 throw new IllegalArgumentException("Service not registered: " + c); 1467 } 1468 } 1469 } 1470 1471 static final class ServiceDispatcher { 1472 private final ServiceDispatcher.InnerConnection mIServiceConnection; 1473 private final ServiceConnection mConnection; 1474 private final Context mContext; 1475 private final Handler mActivityThread; 1476 private final ServiceConnectionLeaked mLocation; 1477 private final int mFlags; 1478 1479 private RuntimeException mUnbindLocation; 1480 1481 private boolean mForgotten; 1482 1483 private static class ConnectionInfo { 1484 IBinder binder; 1485 IBinder.DeathRecipient deathMonitor; 1486 } 1487 1488 private static class InnerConnection extends IServiceConnection.Stub { 1489 final WeakReference<LoadedApk.ServiceDispatcher> mDispatcher; 1490 1491 InnerConnection(LoadedApk.ServiceDispatcher sd) { 1492 mDispatcher = new WeakReference<LoadedApk.ServiceDispatcher>(sd); 1493 } 1494 1495 public void connected(ComponentName name, IBinder service, boolean dead) 1496 throws RemoteException { 1497 LoadedApk.ServiceDispatcher sd = mDispatcher.get(); 1498 if (sd != null) { 1499 sd.connected(name, service, dead); 1500 } 1501 } 1502 } 1503 1504 private final ArrayMap<ComponentName, ServiceDispatcher.ConnectionInfo> mActiveConnections 1505 = new ArrayMap<ComponentName, ServiceDispatcher.ConnectionInfo>(); 1506 1507 ServiceDispatcher(ServiceConnection conn, 1508 Context context, Handler activityThread, int flags) { 1509 mIServiceConnection = new InnerConnection(this); 1510 mConnection = conn; 1511 mContext = context; 1512 mActivityThread = activityThread; 1513 mLocation = new ServiceConnectionLeaked(null); 1514 mLocation.fillInStackTrace(); 1515 mFlags = flags; 1516 } 1517 1518 void validate(Context context, Handler activityThread) { 1519 if (mContext != context) { 1520 throw new RuntimeException( 1521 "ServiceConnection " + mConnection + 1522 " registered with differing Context (was " + 1523 mContext + " now " + context + ")"); 1524 } 1525 if (mActivityThread != activityThread) { 1526 throw new RuntimeException( 1527 "ServiceConnection " + mConnection + 1528 " registered with differing handler (was " + 1529 mActivityThread + " now " + activityThread + ")"); 1530 } 1531 } 1532 1533 void doForget() { 1534 synchronized(this) { 1535 for (int i=0; i<mActiveConnections.size(); i++) { 1536 ServiceDispatcher.ConnectionInfo ci = mActiveConnections.valueAt(i); 1537 ci.binder.unlinkToDeath(ci.deathMonitor, 0); 1538 } 1539 mActiveConnections.clear(); 1540 mForgotten = true; 1541 } 1542 } 1543 1544 ServiceConnectionLeaked getLocation() { 1545 return mLocation; 1546 } 1547 1548 ServiceConnection getServiceConnection() { 1549 return mConnection; 1550 } 1551 1552 IServiceConnection getIServiceConnection() { 1553 return mIServiceConnection; 1554 } 1555 1556 int getFlags() { 1557 return mFlags; 1558 } 1559 1560 void setUnbindLocation(RuntimeException ex) { 1561 mUnbindLocation = ex; 1562 } 1563 1564 RuntimeException getUnbindLocation() { 1565 return mUnbindLocation; 1566 } 1567 1568 public void connected(ComponentName name, IBinder service, boolean dead) { 1569 if (mActivityThread != null) { 1570 mActivityThread.post(new RunConnection(name, service, 0, dead)); 1571 } else { 1572 doConnected(name, service, dead); 1573 } 1574 } 1575 1576 public void death(ComponentName name, IBinder service) { 1577 if (mActivityThread != null) { 1578 mActivityThread.post(new RunConnection(name, service, 1, false)); 1579 } else { 1580 doDeath(name, service); 1581 } 1582 } 1583 1584 public void doConnected(ComponentName name, IBinder service, boolean dead) { 1585 ServiceDispatcher.ConnectionInfo old; 1586 ServiceDispatcher.ConnectionInfo info; 1587 1588 synchronized (this) { 1589 if (mForgotten) { 1590 // We unbound before receiving the connection; ignore 1591 // any connection received. 1592 return; 1593 } 1594 old = mActiveConnections.get(name); 1595 if (old != null && old.binder == service) { 1596 // Huh, already have this one. Oh well! 1597 return; 1598 } 1599 1600 if (service != null) { 1601 // A new service is being connected... set it all up. 1602 info = new ConnectionInfo(); 1603 info.binder = service; 1604 info.deathMonitor = new DeathMonitor(name, service); 1605 try { 1606 service.linkToDeath(info.deathMonitor, 0); 1607 mActiveConnections.put(name, info); 1608 } catch (RemoteException e) { 1609 // This service was dead before we got it... just 1610 // don't do anything with it. 1611 mActiveConnections.remove(name); 1612 return; 1613 } 1614 1615 } else { 1616 // The named service is being disconnected... clean up. 1617 mActiveConnections.remove(name); 1618 } 1619 1620 if (old != null) { 1621 old.binder.unlinkToDeath(old.deathMonitor, 0); 1622 } 1623 } 1624 1625 // If there was an old service, it is now disconnected. 1626 if (old != null) { 1627 mConnection.onServiceDisconnected(name); 1628 } 1629 if (dead) { 1630 mConnection.onBindingDied(name); 1631 } 1632 // If there is a new service, it is now connected. 1633 if (service != null) { 1634 mConnection.onServiceConnected(name, service); 1635 } 1636 } 1637 1638 public void doDeath(ComponentName name, IBinder service) { 1639 synchronized (this) { 1640 ConnectionInfo old = mActiveConnections.get(name); 1641 if (old == null || old.binder != service) { 1642 // Death for someone different than who we last 1643 // reported... just ignore it. 1644 return; 1645 } 1646 mActiveConnections.remove(name); 1647 old.binder.unlinkToDeath(old.deathMonitor, 0); 1648 } 1649 1650 mConnection.onServiceDisconnected(name); 1651 } 1652 1653 private final class RunConnection implements Runnable { 1654 RunConnection(ComponentName name, IBinder service, int command, boolean dead) { 1655 mName = name; 1656 mService = service; 1657 mCommand = command; 1658 mDead = dead; 1659 } 1660 1661 public void run() { 1662 if (mCommand == 0) { 1663 doConnected(mName, mService, mDead); 1664 } else if (mCommand == 1) { 1665 doDeath(mName, mService); 1666 } 1667 } 1668 1669 final ComponentName mName; 1670 final IBinder mService; 1671 final int mCommand; 1672 final boolean mDead; 1673 } 1674 1675 private final class DeathMonitor implements IBinder.DeathRecipient 1676 { 1677 DeathMonitor(ComponentName name, IBinder service) { 1678 mName = name; 1679 mService = service; 1680 } 1681 1682 public void binderDied() { 1683 death(mName, mService); 1684 } 1685 1686 final ComponentName mName; 1687 final IBinder mService; 1688 } 1689 } 1690 } 1691