OcBmLib: Add password processing status

Include/Acidanthera/Library/OcBootManagementLib.h

@@ -41,6 +41,7 @@ typedef struct OC_HOTKEY_CONTEXT_ OC_HOTKEY_CONTEXT;
 #define OC_MENU_RESET_NVRAM_ENTRY    L"Reset NVRAM"
 #define OC_MENU_UEFI_SHELL_ENTRY     L"UEFI Shell"
 #define OC_MENU_PASSWORD_REQUEST     L"Password: "
+#define OC_MENU_PASSWORD_PROCESSING  L"Verifying password..."
 #define OC_MENU_PASSWORD_RETRY_LIMIT L"Password retry limit exceeded."
 #define OC_MENU_CHOOSE_OS            L"Choose the Operating System: "
 #define OC_MENU_SHOW_AUXILIARY       L"Show Auxiliary"

Library/OcBootManagementLib/BuiltinPicker.c

@@ -628,6 +628,7 @@ OcShowSimplePasswordRequest (
 
   UINT8                Index;
   OC_PICKER_KEY_INFO   PickerKeyInfo;
+  UINT8                SpaceIndex;
 
   Privilege = Context->PrivilegeContext;
 
@@ -680,7 +681,6 @@ OcShowSimplePasswordRequest (
       }
 
       if (PickerKeyInfo.UnicodeChar == CHAR_CARRIAGE_RETURN) {
-        gST->ConOut->ClearScreen (gST->ConOut);
         //
         // RETURN finalizes the input.
         //
@@ -739,6 +739,25 @@ OcShowSimplePasswordRequest (
       OcPlayAudioFile (Context, AppleVoiceOverAudioFileBeep, TRUE);
       ++PwIndex;
     }
+    //
+    // Output password processing status.
+    //
+    gST->ConOut->SetCursorPosition (
+      gST->ConOut,
+      0,
+      gST->ConOut->Mode->CursorRow
+      );
+    gST->ConOut->OutputString (gST->ConOut, OC_MENU_PASSWORD_PROCESSING);
+    //
+    // Clear remaining password prompt status.
+    //
+    for (
+      SpaceIndex = L_STR_LEN (OC_MENU_PASSWORD_PROCESSING);
+      SpaceIndex < L_STR_LEN (OC_MENU_PASSWORD_REQUEST) + PwIndex;
+      ++SpaceIndex
+      ) {
+      gST->ConOut->OutputString (gST->ConOut, L" ");
+    }
 
     Result = OcVerifyPasswordSha512 (
                Password,
@@ -749,9 +768,24 @@ OcShowSimplePasswordRequest (
                );
 
     SecureZeroMem (Password, PwIndex);
+    //
+    // Clear password processing status.
+    //
+    gST->ConOut->SetCursorPosition (
+      gST->ConOut,
+      0,
+      gST->ConOut->Mode->CursorRow
+      );
+    for (SpaceIndex = 0; SpaceIndex < L_STR_LEN (OC_MENU_PASSWORD_PROCESSING); ++SpaceIndex) {
+      gST->ConOut->OutputString (gST->ConOut, L" ");
+    }
+    gST->ConOut->SetCursorPosition (
+      gST->ConOut,
+      0,
+      gST->ConOut->Mode->CursorRow
+      );
 
     if (Result) {
-      gST->ConOut->ClearScreen (gST->ConOut);
       Privilege->CurrentLevel = Level;
       OcPlayAudioFile (Context, OcVoiceOverAudioFilePasswordAccepted, TRUE);
       return EFI_SUCCESS;
@@ -761,9 +795,7 @@ OcShowSimplePasswordRequest (
     }
   }
 
-  gST->ConOut->ClearScreen (gST->ConOut);
-  gST->ConOut->OutputString (gST->ConOut, OC_MENU_PASSWORD_RETRY_LIMIT);
-  gST->ConOut->OutputString (gST->ConOut, L"\r\n");
+  gST->ConOut->OutputString (gST->ConOut, OC_MENU_PASSWORD_RETRY_LIMIT L"\r\n");
   OcPlayAudioFile (Context, OcVoiceOverAudioFilePasswordRetryLimit, TRUE);
   DEBUG ((DEBUG_WARN, "OCB: User failed to verify password %d times running\n", OC_PASSWORD_MAX_RETRIES));