Don't fire any ACTION_USER_* broadcasts for precreated users. (d4b249ed) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/UserController.java

+47 −30

Original line number	Diff line number	Diff line
		@@ -517,6 +517,7 @@ class UserController implements Handler.Callback {
		}
		mInjector.installEncryptionUnawareProviders(userId);

		if (!mInjector.getUserManager().isPreCreated(userId)) {
		// Dispatch unlocked to external apps
		final Intent unlockedIntent = new Intent(Intent.ACTION_USER_UNLOCKED);
		unlockedIntent.putExtra(Intent.EXTRA_USER_HANDLE, userId);
		@@ -525,6 +526,7 @@ class UserController implements Handler.Callback {
		mInjector.broadcastIntent(unlockedIntent, null, null, 0, null,
		null, null, AppOpsManager.OP_NONE, null, false, false, MY_PID, SYSTEM_UID,
		Binder.getCallingUid(), Binder.getCallingPid(), userId);
		}

		if (getUserInfo(userId).isManagedProfile()) {
		UserInfo parent = mInjector.getUserManager().getProfileParent(userId);
		@@ -581,9 +583,12 @@ class UserController implements Handler.Callback {
		// Remember that we logged in
		mInjector.getUserManager().onUserLoggedIn(userId);

		Runnable initializeUser = () -> mInjector.getUserManager().makeInitialized(userInfo.id);
		if (!userInfo.isInitialized()) {
		if (userId != UserHandle.USER_SYSTEM) {
		Slog.d(TAG, "Initializing user #" + userId);
		if (userInfo.preCreated) {
		initializeUser.run();
		} else if (userId != UserHandle.USER_SYSTEM) {
		Intent intent = new Intent(Intent.ACTION_USER_INITIALIZE);
		intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND
		\| Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
		@@ -594,7 +599,7 @@ class UserController implements Handler.Callback {
		String data, Bundle extras, boolean ordered,
		boolean sticky, int sendingUser) {
		// Note: performReceive is called with mService lock held
		mInjector.getUserManager().makeInitialized(userInfo.id);
		initializeUser.run();
		}
		}, 0, null, null, null, AppOpsManager.OP_NONE,
		null, true, false, MY_PID, SYSTEM_UID, Binder.getCallingUid(),
		@@ -792,7 +797,15 @@ class UserController implements Handler.Callback {
		mInjector.getUserManagerInternal().setUserState(userId, uss.state);
		updateStartedUserArrayLU();

		final boolean allowDelayyLockingCopied = allowDelayedLocking;
		final boolean allowDelayedLockingCopied = allowDelayedLocking;
		Runnable finishUserStoppingAsync = () ->
		mHandler.post(() -> finishUserStopping(userId, uss, allowDelayedLockingCopied));

		if (mInjector.getUserManager().isPreCreated(userId)) {
		finishUserStoppingAsync.run();
		return;
		}

		// Post to handler to obtain amLock
		mHandler.post(() -> {
		// We are going to broadcast ACTION_USER_STOPPING and then
		@@ -807,8 +820,7 @@ class UserController implements Handler.Callback {
		@Override
		public void performReceive(Intent intent, int resultCode, String data,
		Bundle extras, boolean ordered, boolean sticky, int sendingUser) {
		mHandler.post(() -> finishUserStopping(userId, uss,
		allowDelayyLockingCopied));
		finishUserStoppingAsync.run();
		}
		};

		@@ -827,22 +839,6 @@ class UserController implements Handler.Callback {
		void finishUserStopping(final int userId, final UserState uss,
		final boolean allowDelayedLocking) {
		Slog.d(TAG, "UserController event: finishUserStopping(" + userId + ")");
		// On to the next.
		final Intent shutdownIntent = new Intent(Intent.ACTION_SHUTDOWN);
		// This is the result receiver for the final shutdown broadcast.
		final IIntentReceiver shutdownReceiver = new IIntentReceiver.Stub() {
		@Override
		public void performReceive(Intent intent, int resultCode, String data,
		Bundle extras, boolean ordered, boolean sticky, int sendingUser) {
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		finishUserStopped(uss, allowDelayedLocking);
		}
		});
		}
		};

		synchronized (mLock) {
		if (uss.state != UserState.STATE_STOPPING) {
		// Whoops, we are being started back up. Abort, abort!
		@@ -857,6 +853,23 @@ class UserController implements Handler.Callback {
		Integer.toString(userId), userId);
		mInjector.getSystemServiceManager().stopUser(userId);

		Runnable finishUserStoppedAsync = () ->
		mHandler.post(() -> finishUserStopped(uss, allowDelayedLocking));
		if (mInjector.getUserManager().isPreCreated(userId)) {
		finishUserStoppedAsync.run();
		return;
		}

		// Fire the shutdown intent.
		final Intent shutdownIntent = new Intent(Intent.ACTION_SHUTDOWN);
		// This is the result receiver for the final shutdown broadcast.
		final IIntentReceiver shutdownReceiver = new IIntentReceiver.Stub() {
		@Override
		public void performReceive(Intent intent, int resultCode, String data,
		Bundle extras, boolean ordered, boolean sticky, int sendingUser) {
		finishUserStoppedAsync.run();
		}
		};
		mInjector.broadcastIntent(shutdownIntent,
		null, shutdownReceiver, 0, null, null, null,
		AppOpsManager.OP_NONE,
		@@ -1016,6 +1029,10 @@ class UserController implements Handler.Callback {

		private void forceStopUser(@UserIdInt int userId, String reason) {
		mInjector.activityManagerForceStopPackage(userId, reason);
		if (mInjector.getUserManager().isPreCreated(userId)) {
		// Don't fire intent for precreated.
		return;
		}
		Intent intent = new Intent(Intent.ACTION_USER_STOPPED);
		intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
		\| Intent.FLAG_RECEIVER_FOREGROUND);

services/core/java/com/android/server/pm/UserManagerService.java

+13 −0

Original line number	Diff line number	Diff line
		@@ -3756,6 +3756,19 @@ public class UserManagerService extends IUserManager.Stub {

		void finishRemoveUser(final @UserIdInt int userId) {
		if (DBG) Slog.i(LOG_TAG, "finishRemoveUser " + userId);

		UserInfo user;
		synchronized (mUsersLock) {
		user = getUserInfoLU(userId);
		}
		if (user != null && user.preCreated) {
		Slog.i(LOG_TAG, "Removing a precreated user with user id: " + userId);
		// Don't want to fire ACTION_USER_REMOVED, so cleanup the state and exit early.
		LocalServices.getService(ActivityTaskManagerInternal.class).onUserStopped(userId);
		removeUserState(userId);
		return;
		}

		// Let other services shutdown any activity and clean up their state before completely
		// wiping the user's system directory and removing from the user list
		long ident = Binder.clearCallingIdentity();

services/tests/servicestests/src/com/android/server/am/UserControllerTest.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -206,11 +206,15 @@ public class UserControllerTest {
		@Test
		public void testStartPreCreatedUser_foreground() {
		assertFalse(mUserController.startUser(TEST_PRE_CREATED_USER_ID, /* foreground= */ true));
		// Make sure no intents have been fired for pre-created users.
		assertTrue(mInjector.mSentIntents.isEmpty());
		}

		@Test
		public void testStartPreCreatedUser_background() throws Exception {
		assertTrue(mUserController.startUser(TEST_PRE_CREATED_USER_ID, /* foreground= */ false));
		// Make sure no intents have been fired for pre-created users.
		assertTrue(mInjector.mSentIntents.isEmpty());

		verify(mInjector.getWindowManager(), never()).startFreezingScreen(anyInt(), anyInt());
		verify(mInjector.getWindowManager(), never()).setSwitchingUser(anyBoolean());