From f7f0f03a4af936eb84177691a673a2eaf400d532 Mon Sep 17 00:00:00 2001
From: Joshua Drake <github.jdrake@qoop.org>
Date: Thu, 25 Mar 2010 01:38:47 +0000
Subject: [PATCH] handle the user hitting ^D while interacting properly

git-svn-id: file:///home/svn/framework3/trunk@8911 4d416f70-5f16-0410-b530-b9f4589650da
---
 lib/msf/base/sessions/command_shell.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/msf/base/sessions/command_shell.rb b/lib/msf/base/sessions/command_shell.rb
index 5bed8c0bdc..1ec9a292f2 100644
--- a/lib/msf/base/sessions/command_shell.rb
+++ b/lib/msf/base/sessions/command_shell.rb
@@ -204,6 +204,8 @@ class CommandShell
 	# Writes to the command shell.
 	#
 	def shell_write(buf)
+		return if not buf
+
 		begin
 			framework.events.on_session_command(self, buf.strip)
 			rstream.write(buf)