From 57bc6728af8f8cb2bf2a0250d1261df6f916f8d4 Mon Sep 17 00:00:00 2001
From: Robey Pointer <robey@lag.net>
Date: Sat, 29 Apr 2006 19:40:43 -0700
Subject: [PATCH] [project @ robey@lag.net-20060430024043-e4391438febc9bf2]
 check for None channel and display error

---
 demos/forward.py | 4 ++++
 1 file changed, 4 insertions(+)
 mode change 100755 => 100644 demos/forward.py

diff --git a/demos/forward.py b/demos/forward.py
old mode 100755
new mode 100644
index f91e969..4affcfa
--- a/demos/forward.py
+++ b/demos/forward.py
@@ -60,6 +60,10 @@ class Handler (SocketServer.BaseRequestHandler):
                                                               self.chain_port,
                                                               repr(e)))
             return
+        if chan is None:
+            verbose('Incoming request to %s:%d was rejected by the SSH server.' %
+                    (self.chain_host, self.chain_port))
+            return
 
         verbose('Connected!  Tunnel open.')
         while True: