From bf94e9f788da5acd17c7744889f26ccc958ec914 Mon Sep 17 00:00:00 2001
From: Jan Boon <jan.boon@kaetemi.be>
Date: Sat, 6 Apr 2024 03:14:39 +0800
Subject: [PATCH] reject whitespace and trailing dot

---
 common/common.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/common/common.cpp b/common/common.cpp
index 63fdb2399..7d983a453 100644
--- a/common/common.cpp
+++ b/common/common.cpp
@@ -1552,6 +1552,12 @@ bool validate_file_name(const std::string & filename) {
         }
     }
 
+    // Reject any leading or trailing ' ', or any trailing '.', these are stripped on Windows and will cause a different filename
+    // Unicode and other whitespace is not affected, only 0x20 space
+    if (filename.front() == ' ' || filename.back() == ' ' || filename.back() == '.') {
+        return false;
+    }
+
     // Reject any ".." (currently stricter than necessary, it should be fine to just check for == ".." instead)
     if (filename.find("..") != std::string::npos) {
         return false;