From f38aaf659bba08bd496267a9da95fc37323b6797 Mon Sep 17 00:00:00 2001
From: Christoph von Wittich <christoph_vw@reactos.org>
Date: Wed, 4 Feb 2009 19:16:51 +0000
Subject: [PATCH] add a buffer length check (fixes one service test)

svn path=/trunk/; revision=39395
---
 reactos/base/system/services/rpcserver.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/reactos/base/system/services/rpcserver.c b/reactos/base/system/services/rpcserver.c
index a245365201d..cdde7ba49ee 100644
--- a/reactos/base/system/services/rpcserver.c
+++ b/reactos/base/system/services/rpcserver.c
@@ -4251,7 +4251,14 @@ DWORD RQueryServiceConfig2A(
                                 L"Description",
                                 &lpDescriptionW);
         if (dwError != ERROR_SUCCESS)
+        {
+            if (cbBufSize < sizeof(SERVICE_DESCRIPTIONA))
+            {
+                *pcbBytesNeeded = sizeof(SERVICE_DESCRIPTIONA);
+                dwError = ERROR_INSUFFICIENT_BUFFER;
+            }
             goto done;
+        }
 
         dwRequiredSize = sizeof(SERVICE_DESCRIPTIONA) + ((wcslen(lpDescriptionW) + 1));