This adds the input_fd() method, which returns a selectable() socket

git-svn-id: file:///home/svn/framework3/trunk@4334 4d416f70-5f16-0410-b530-b9f4589650da

lib/rex/io/bidirectional_pipe.rb

@@ -68,6 +68,10 @@ class BidirectionalPipe < Rex::Ui::Text::Input
 	def print_status(msg)
 		print_line('[*] ' + msg)
 	end
+	
+	def input_fd
+		@pipe_input.fd
+	end
 
 protected