From 1e24762a2cf6590798aa9ce483a1374466c7847b Mon Sep 17 00:00:00 2001
From: Jeffrey Altman <jaltman@your-file-system.com>
Date: Mon, 25 Nov 2013 20:27:10 -0500
Subject: [PATCH] Windows: AFSRDFSProvider NPOpenEnum vs no redirector

If there is no redirector device present, return WN_NO_NETWORK
to indicate that this network provider is not ready for browsing.

Change-Id: I3e33769bb2d52a59b0ff993aa07e89d959d60800
Reviewed-on: http://gerrit.openafs.org/10523
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
---
 src/WINNT/afsrdr/npdll/AFS_Npdll.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/WINNT/afsrdr/npdll/AFS_Npdll.c b/src/WINNT/afsrdr/npdll/AFS_Npdll.c
index eae4cd460d..d0b23c33e7 100644
--- a/src/WINNT/afsrdr/npdll/AFS_Npdll.c
+++ b/src/WINNT/afsrdr/npdll/AFS_Npdll.c
@@ -2246,6 +2246,7 @@ NPOpenEnum( DWORD          dwScope,
 
     DWORD   dwStatus = WN_SUCCESS;
     AFSEnumerationCB *pEnumCB = NULL;
+    HANDLE   hControlDevice = NULL;
 
 #ifdef AFS_DEBUG_TRACE
     if ( lpNetResource == NULL)
@@ -2282,6 +2283,21 @@ NPOpenEnum( DWORD          dwScope,
     }
 #endif
 
+    hControlDevice = OpenRedirector();
+
+    if( hControlDevice == NULL)
+    {
+
+#ifdef AFS_DEBUG_TRACE
+	AFSDbgPrint( L"NPOpenEnum OpenRedirector failure, returning WN_NET_ERROR\n");
+#endif
+
+	return WN_NO_NETWORK;
+    }
+
+    CloseHandle( hControlDevice);
+
+
     *lphEnum = HeapAlloc( GetProcessHeap( ), HEAP_ZERO_MEMORY, sizeof( AFSEnumerationCB));
 
     if( *lphEnum == NULL)