From 32fb933a8de960814024fd753cecdc791ea5b5ac Mon Sep 17 00:00:00 2001
From: yck1509 <confuser.net@gmail.com>
Date: Mon, 12 Oct 2015 19:32:30 +0800
Subject: [PATCH] Preserve some PE header fields

---
 Confuser.Core/ConfuserEngine.cs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Confuser.Core/ConfuserEngine.cs b/Confuser.Core/ConfuserEngine.cs
index 60c2024cd..9cca6592a 100644
--- a/Confuser.Core/ConfuserEngine.cs
+++ b/Confuser.Core/ConfuserEngine.cs
@@ -327,12 +327,25 @@ static void Inspection(ConfuserContext context) {
 			}
 		}
 
+		static void CopyPEHeaders(PEHeadersOptions writerOptions, ModuleDefMD module) {
+			var image = module.MetaData.PEImage;
+			writerOptions.MajorImageVersion = image.ImageNTHeaders.OptionalHeader.MajorImageVersion;
+			writerOptions.MajorLinkerVersion = image.ImageNTHeaders.OptionalHeader.MajorLinkerVersion;
+			writerOptions.MajorOperatingSystemVersion = image.ImageNTHeaders.OptionalHeader.MajorOperatingSystemVersion;
+			writerOptions.MajorSubsystemVersion = image.ImageNTHeaders.OptionalHeader.MajorSubsystemVersion;
+			writerOptions.MinorImageVersion = image.ImageNTHeaders.OptionalHeader.MinorImageVersion;
+			writerOptions.MinorLinkerVersion = image.ImageNTHeaders.OptionalHeader.MinorLinkerVersion;
+			writerOptions.MinorOperatingSystemVersion = image.ImageNTHeaders.OptionalHeader.MinorOperatingSystemVersion;
+			writerOptions.MinorSubsystemVersion = image.ImageNTHeaders.OptionalHeader.MinorSubsystemVersion;
+		}
+
 		static void BeginModule(ConfuserContext context) {
 			context.Logger.InfoFormat("Processing module '{0}'...", context.CurrentModule.Name);
 
 			context.CurrentModuleWriterListener = new ModuleWriterListener();
 			context.CurrentModuleWriterListener.OnWriterEvent += (sender, e) => context.CheckCancellation();
 			context.CurrentModuleWriterOptions = new ModuleWriterOptions(context.CurrentModule, context.CurrentModuleWriterListener);
+			CopyPEHeaders(context.CurrentModuleWriterOptions.PEHeadersOptions, context.CurrentModule);
 
 			if (!context.CurrentModule.IsILOnly || context.CurrentModule.VTableFixups != null)
 				context.RequestNative();