Rescue Disk: enhance "Boot Original Windows Loader" by using embedded…

… backup of original Windows loader if it is missing from disk
veracrypt · Jan 15, 2022 · 0daec67 · 0daec67
1 parent 981f24b
commit 0daec67
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/DcsRe/DcsRe.c b/DcsRe/DcsRe.c
@@ -154,6 +154,15 @@ ActionWindowsBoot(IN VOID* ctx) {
 				if (bFound)
 					return EfiExec(gFSHandles[EfiBootVolumeIndex], L"EFI\\Microsoft\\Boot\\bootmgfw.efi");
 			}
+
+			/* copy our backup copy and then boot from it*/
+			if (!EFI_ERROR(FileExist(NULL, L"\\EFI\\Boot\\original_boot" ARCHdot L"vc_backup")))
+			{
+				if (!EFI_ERROR(FileCopy(NULL, L"\\EFI\\Boot\\original_boot" ARCHdot L"vc_backup", EfiBootVolume, L"EFI\\Microsoft\\Boot\\bootmgfw_ms.vc", 1024 * 1024)))
+				{
+					return EfiExec(gFSHandles[EfiBootVolumeIndex], L"EFI\\Microsoft\\Boot\\bootmgfw_ms.vc");
+				}
+			}
 
 			ERR_PRINT(L"Could not find the original Windows loader\r\n");