From 4c932f1485100e2859f2199d1ddc96b91f25cd6b Mon Sep 17 00:00:00 2001
From: Eric Kohl <eric.kohl@reactos.org>
Date: Sun, 27 Jun 2010 20:13:44 +0000
Subject: [PATCH] [NTOSKRNL] NtDuplicateToken: Fail, if TokenType is neither
 TokenImpersonation nor TokenPrimary.

svn path=/trunk/; revision=47868
---
 reactos/ntoskrnl/se/token.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/reactos/ntoskrnl/se/token.c b/reactos/ntoskrnl/se/token.c
index 6ee52544ba4..703a99abab4 100644
--- a/reactos/ntoskrnl/se/token.c
+++ b/reactos/ntoskrnl/se/token.c
@@ -1811,6 +1811,10 @@ NtDuplicateToken(IN HANDLE ExistingTokenHandle,
 
     PAGED_CODE();
 
+    if (TokenType != TokenImpersonation &&
+        TokenType != TokenPrimary)
+        return STATUS_INVALID_PARAMETER;
+
     PreviousMode = KeGetPreviousMode();
 
     if (PreviousMode != KernelMode)
-- 
2.17.1