Revert "Modifying Backup code to support HSUM mode."

Revert submission 22327091-br-cts-hsum

Reason for revert: DroidMonitor-triggered revert due to breakage https://android-build.googleplex.com/builds/quarterdeck?branch=git_udc-dev&target=aosp_bramble-userdebug&lkgb=10098913&lkbb=10101009&fkbb=10098962, bug 281753581.

Bug: 281753581

Reverted changes: /q/submissionid:22327091-br-cts-hsum

Change-Id: I4de169440f587d5a458300a5f360ba974239e530

6 files changed, 15 insertions, 16 deletions

diff --git a/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java b/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java
index 7d09b992d080..b6dc32a29f04 100644
--- a/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java
+++ b/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java
@@ -253,7 +253,7 @@ public class Bmgr {
 
         try {
             boolean enable = Boolean.parseBoolean(arg);
-            mBmgr.setAutoRestoreForUser(userId, enable);
+            mBmgr.setAutoRestore(enable);
             System.out.println(
                     "Auto restore is now "
                             + (enable ? "enabled" : "disabled")
diff --git a/cmds/bu/src/com/android/commands/bu/Backup.java b/cmds/bu/src/com/android/commands/bu/Backup.java
index 11c9773a7a6c..373677eccf62 100644
--- a/cmds/bu/src/com/android/commands/bu/Backup.java
+++ b/cmds/bu/src/com/android/commands/bu/Backup.java
@@ -56,7 +56,6 @@ public final class Backup {
     }
 
     public void run(String[] args) {
-        Log.d(TAG, "Called run() with args: " + String.join(" ", args));
         if (mBackupManager == null) {
             Log.e(TAG, "Can't obtain Backup Manager binder");
             return;
@@ -71,8 +70,6 @@ public final class Backup {
             return;
         }
 
-        Log.d(TAG, "UserId : " + userId);
-
         String arg = nextArg();
         if (arg.equals("backup")) {
             doBackup(OsConstants.STDOUT_FILENO, userId);
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java
index 7a3b1190cffa..978dc56201da 100644
--- a/services/backup/java/com/android/server/backup/BackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/BackupManagerService.java
@@ -813,7 +813,7 @@ public class BackupManagerService extends IBackupManager.Stub {
         }
         UserBackupManagerService userBackupManagerService =
                 getServiceForUserIfCallerHasPermission(
-                        userId, "hasBackupPassword()");
+                        UserHandle.USER_SYSTEM, "hasBackupPassword()");
 
         return userBackupManagerService != null && userBackupManagerService.hasBackupPassword();
     }
diff --git a/services/backup/java/com/android/server/backup/UserBackupManagerService.java b/services/backup/java/com/android/server/backup/UserBackupManagerService.java
index b65681104527..7261709d7b8d 100644
--- a/services/backup/java/com/android/server/backup/UserBackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/UserBackupManagerService.java
@@ -2797,6 +2797,11 @@ public class UserBackupManagerService {
             boolean includeSystem, boolean compress, boolean doKeyValue, String[] pkgList) {
         mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "adbBackup");
 
+        final int callingUserHandle = UserHandle.getCallingUserId();
+        if (callingUserHandle != UserHandle.USER_SYSTEM) {
+            throw new IllegalStateException("Backup supported only for the device owner");
+        }
+
         // Validate
         if (!doAllApps) {
             if (!includeShared) {
@@ -2967,6 +2972,11 @@ public class UserBackupManagerService {
     public void adbRestore(ParcelFileDescriptor fd) {
         mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "adbRestore");
 
+        final int callingUserHandle = UserHandle.getCallingUserId();
+        if (callingUserHandle != UserHandle.USER_SYSTEM) {
+            throw new IllegalStateException("Restore supported only for the device owner");
+        }
+
         final long oldId = Binder.clearCallingIdentity();
 
         try {
@@ -3075,7 +3085,7 @@ public class UserBackupManagerService {
                     "com.android.backupconfirm.BackupRestoreConfirmation");
             confIntent.putExtra(FullBackup.CONF_TOKEN_INTENT_EXTRA, token);
             confIntent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
-            mContext.startActivityAsUser(confIntent, UserHandle.of(mUserId));
+            mContext.startActivityAsUser(confIntent, UserHandle.SYSTEM);
         } catch (ActivityNotFoundException e) {
             return false;
         }
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 91dcd50f176a..94ee0a871448 100644
--- a/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java
+++ b/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java
@@ -33,7 +33,6 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
 import static org.robolectric.Shadows.shadowOf;
 import static org.testng.Assert.expectThrows;
 
@@ -119,10 +118,6 @@ public class BackupManagerServiceRoboTest {
         mShadowUserManager.addUser(mUserOneId, "mUserOneId", 0);
         mShadowUserManager.addUser(mUserTwoId, "mUserTwoId", 0);
 
-        when(mUserSystemService.getUserId()).thenReturn(UserHandle.USER_SYSTEM);
-        when(mUserOneService.getUserId()).thenReturn(mUserOneId);
-        when(mUserTwoService.getUserId()).thenReturn(mUserTwoId);
-
         mShadowContext.grantPermissions(BACKUP);
         mShadowContext.grantPermissions(INTERACT_ACROSS_USERS_FULL);
 
@@ -1474,9 +1469,9 @@ public class BackupManagerServiceRoboTest {
         File testFile = createTestFile();
         FileDescriptor fileDescriptor = new FileDescriptor();
         PrintWriter printWriter = new PrintWriter(testFile);
+        String[] args = {"1", "2"};
         ShadowBinder.setCallingUserHandle(UserHandle.of(UserHandle.USER_SYSTEM));
 
-        String[] args = {"--user", "0"};
         backupManagerService.dump(fileDescriptor, printWriter, args);
 
         verify(mUserSystemService).dump(fileDescriptor, printWriter, args);
@@ -1490,8 +1485,8 @@ public class BackupManagerServiceRoboTest {
         File testFile = createTestFile();
         FileDescriptor fileDescriptor = new FileDescriptor();
         PrintWriter printWriter = new PrintWriter(testFile);
+        String[] args = {"1", "2"};
 
-        String[] args = {"--user", "10"};
         backupManagerService.dump(fileDescriptor, printWriter, args);
 
         verify(mUserOneService, never()).dump(fileDescriptor, printWriter, args);
diff --git a/services/tests/mockingservicestests/src/com/android/server/backup/BackupManagerServiceTest.java b/services/tests/mockingservicestests/src/com/android/server/backup/BackupManagerServiceTest.java
index f99e156ed139..36f52515f1ea 100644
--- a/services/tests/mockingservicestests/src/com/android/server/backup/BackupManagerServiceTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/backup/BackupManagerServiceTest.java
@@ -618,7 +618,6 @@ public class BackupManagerServiceTest {
 
     @Test
     public void testDumpForOneUser_callerDoesNotHaveInteractAcrossUsersFullPermission_ignored() {
-        createBackupManagerServiceAndUnlockSystemUser();
         mService.setBackupServiceActive(NON_SYSTEM_USER, true);
         simulateUserUnlocked(NON_SYSTEM_USER);
 
@@ -638,7 +637,6 @@ public class BackupManagerServiceTest {
     @Test
     public void
             testDumpForOneUser_callerHasInteractAcrossUsersFullPermission_dumpsOnlySpecifiedUser() {
-        createBackupManagerServiceAndUnlockSystemUser();
         mService.setBackupServiceActive(NON_SYSTEM_USER, true);
         simulateUserUnlocked(NON_SYSTEM_USER);
 
@@ -650,7 +648,6 @@ public class BackupManagerServiceTest {
 
     @Test
     public void testDumpForAllUsers_callerHasInteractAcrossUsersFullPermission_dumpsAllUsers() {
-        createBackupManagerServiceAndUnlockSystemUser();
         mService.setBackupServiceActive(NON_SYSTEM_USER, true);
         simulateUserUnlocked(NON_SYSTEM_USER);