From 4d4b6a0606cbde5f26392faa601e6bec0dfc34ec Mon Sep 17 00:00:00 2001
From: Cyberboss <Cyberboss@users.noreply.github.com>
Date: Thu, 27 Sep 2018 14:03:04 -0400
Subject: [PATCH] Workaround for https://github.com/dotnet/corefx/issues/31841

---
 .../Security/WindowsSystemIdentity.cs                     | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Tgstation.Server.Host/Security/WindowsSystemIdentity.cs b/src/Tgstation.Server.Host/Security/WindowsSystemIdentity.cs
index deb07e49f9..1cd09cd8c7 100644
--- a/src/Tgstation.Server.Host/Security/WindowsSystemIdentity.cs
+++ b/src/Tgstation.Server.Host/Security/WindowsSystemIdentity.cs
@@ -62,7 +62,13 @@ namespace Tgstation.Server.Host.Security
 		public ISystemIdentity Clone()
 		{
 			if (identity != null)
-				return new WindowsSystemIdentity((WindowsIdentity)identity.Clone());
+			{
+				//var newIdentity = (WindowsIdentity)identity.Clone();	//doesn't work because of https://github.com/dotnet/corefx/issues/31841
+
+				var newIdentity = new WindowsIdentity(identity.Token);	//the handle is cloned internally
+
+				return new WindowsSystemIdentity(newIdentity);
+			}
 			//can't clone a UP, shouldn't be trying to anyway, cloning is for impersonation
 			throw new InvalidOperationException("Cannot clone a UserPrincipal based WindowsSystemIdentity!");
 		}