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-rw-r--r--services/backup/java/com/android/server/backup/BackupManagerService.java2
-rw-r--r--services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java29
2 files changed, 30 insertions, 1 deletions
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java
index 38275f7cd348..1c571a7036ad 100644
--- a/services/backup/java/com/android/server/backup/BackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/BackupManagerService.java
@@ -25,7 +25,6 @@ import android.annotation.UserIdInt;
import android.app.ActivityManager;
import android.app.admin.DevicePolicyManager;
import android.app.backup.BackupManager;
-import android.app.backup.BackupManager.OperationType;
import android.app.backup.IBackupManager;
import android.app.backup.IBackupManagerMonitor;
import android.app.backup.IBackupObserver;
@@ -284,6 +283,7 @@ public class BackupManagerService extends IBackupManager.Stub {
*/
@Override
public boolean isUserReadyForBackup(int userId) {
+ enforceCallingPermissionOnUserId(userId, "isUserReadyForBackup()");
return mUserServices.get(UserHandle.USER_SYSTEM) != null
&& mUserServices.get(userId) != null;
}
diff --git a/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java b/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java
index 2219d477630e..e2f56ba56f3d 100644
--- a/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java
+++ b/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java
@@ -301,6 +301,35 @@ public class BackupManagerServiceRoboTest {
verify(mUserOneService, never()).initializeTransports(transports, /* observer */ null);
}
+ /**
+ * Test that the backup services throws a {@link SecurityException} if the caller does not have
+ * INTERACT_ACROSS_USERS_FULL permission and passes a different user id.
+ */
+ @Test
+ public void testIsUserReadyForBackup_withoutPermission_throwsSecurityException() {
+ BackupManagerService backupManagerService = createService();
+ registerUser(backupManagerService, mUserOneId, mUserOneService);
+ setCallerAndGrantInteractUserPermission(mUserTwoId, /* shouldGrantPermission */ false);
+
+ expectThrows(
+ SecurityException.class,
+ () -> backupManagerService.isUserReadyForBackup(mUserOneId));
+ }
+
+ /**
+ * Test that the backup service does not throw a {@link SecurityException} if the caller has
+ * INTERACT_ACROSS_USERS_FULL permission and passes a different user id.
+ */
+ @Test
+ public void testIsUserReadyForBackup_withPermission_callsMethodForUser() {
+ BackupManagerService backupManagerService = createService();
+ registerUser(backupManagerService, UserHandle.USER_SYSTEM, mUserSystemService);
+ registerUser(backupManagerService, mUserOneId, mUserOneService);
+ setCallerAndGrantInteractUserPermission(mUserTwoId, /* shouldGrantPermission */ true);
+
+ assertThat(backupManagerService.isUserReadyForBackup(mUserOneId)).isTrue();
+ }
+
/** Test that the backup service routes methods correctly to the user that requests it. */
@Test
public void testClearBackupData_onRegisteredUser_callsMethodForUser() throws Exception {