From 6e0063cd1fdfeb20a6f89e92beb0c2b81c6dad7b Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Tue, 29 Jul 2025 11:48:28 -0400
Subject: [PATCH] More graceful handling of MS-CAB sets

---
 BinaryObjectScanner/FileType/MicrosoftCAB.cs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/BinaryObjectScanner/FileType/MicrosoftCAB.cs b/BinaryObjectScanner/FileType/MicrosoftCAB.cs
index c939257c..8f14b9d4 100644
--- a/BinaryObjectScanner/FileType/MicrosoftCAB.cs
+++ b/BinaryObjectScanner/FileType/MicrosoftCAB.cs
@@ -33,8 +33,14 @@ namespace BinaryObjectScanner.FileType
 #if NET20 || NET35 || !WINX86
             // TODO: Remove once Serialization is updated
 
-            // Get a wrapper for the set
-            var current = OpenSet(file);
+            // Get a wrapper for the set, if possible
+            SabreTools.Serialization.Wrappers.MicrosoftCabinet? current;
+            if (File.Exists(file))
+                current = OpenSet(file);
+            else
+                current = SabreTools.Serialization.Wrappers.MicrosoftCabinet.Create(stream);
+
+            // Validate the header exists
             if (current?.Model?.Header == null)
                 return false;