From 2328bd56620baa6e3bb97e52e1a4b1596442b9db Mon Sep 17 00:00:00 2001
From: Michel Oosterhof <michel@oosterhof.net>
Date: Sun, 6 Nov 2016 23:00:48 +0400
Subject: [PATCH] Fix #320

---
 cowrie/commands/ping.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/cowrie/commands/ping.py b/cowrie/commands/ping.py
index ec4382d5..52eb2b88 100644
--- a/cowrie/commands/ping.py
+++ b/cowrie/commands/ping.py
@@ -52,9 +52,7 @@ class command_ping(HoneyPotCommand):
                     self.exit()
                     return
 
-        self.host = args[0].strip()
-
-        if not self.host:
+        if len(args)==0:
             for l in (
                     'Usage: ping [-LRUbdfnqrvVaA] [-c count] [-i interval] [-w deadline]',
                     '            [-p pattern] [-s packetsize] [-t ttl] [-I interface or address]',
@@ -64,6 +62,7 @@ class command_ping(HoneyPotCommand):
                 self.write(l+'\n')
             self.exit()
             return
+        self.host = args[0].strip()
 
         if re.match('^[0-9.]+$', self.host):
             if self.valid_ip(self.host):