From 151856ab0b74d77a99684b8ab3d5b40753671edd Mon Sep 17 00:00:00 2001
From: Ladislav Zezula <zezula@volny.cz>
Date: Sat, 7 Oct 2023 10:13:02 +0200
Subject: Added guard against fake MPK headers

---
 src/SFileOpenArchive.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/SFileOpenArchive.cpp b/src/SFileOpenArchive.cpp
index f19a6e7..baad848 100644
--- a/src/SFileOpenArchive.cpp
+++ b/src/SFileOpenArchive.cpp
@@ -387,7 +387,7 @@ bool WINAPI SFileOpenArchive(
                 }
 
                 // Check for MPK archives (Longwu Online - MPQ fork)
-                if(MapType == MapTypeNotRecognized && dwHeaderID == ID_MPK)
+                if(MapType == MapTypeNotRecognized && (dwFlags & MPQ_OPEN_FORCE_MPQ_V1) == 0 && dwHeaderID == ID_MPK)
                 {
                     // Now convert the MPK header to MPQ Header version 4
                     dwErrCode = ConvertMpkHeaderToFormat4(ha, FileSize, dwFlags);
-- 
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