[cwittich] 39395: add a buffer length check (fixes one service test)

Author: cwittich
Date: Wed Feb  4 13:16:51 2009
New Revision: 39395

URL: http://svn.reactos.org/svn/reactos?rev=39395&view=rev
Log:
add a buffer length check (fixes one service test)

Modified:
    trunk/reactos/base/system/services/rpcserver.c

Modified: trunk/reactos/base/system/services/rpcserver.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/system/services/rpcser...
==============================================================================
--- trunk/reactos/base/system/services/rpcserver.c [iso-8859-1] (original)
+++ trunk/reactos/base/system/services/rpcserver.c [iso-8859-1] Wed Feb  4 13:16:51 2009
@@ -4251,7 +4251,14 @@
                                 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));