From dc08cbb6c706ceceff223e015c7c5c3d2963d31c Mon Sep 17 00:00:00 2001
From: Michel Oosterhof <michel@oosterhof.net>
Date: Sat, 1 Jul 2017 19:33:45 +0200
Subject: [PATCH] handle undefined variables

---
 bin/cowrie | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/bin/cowrie b/bin/cowrie
index e0de9d4e..d71cc888 100755
--- a/bin/cowrie
+++ b/bin/cowrie
@@ -63,20 +63,20 @@ cowrie_start() {
     TWISTEDARGS="${DAEMONIZE} ${XARGS} --umask 0077 --pidfile ${PIDFILE}"
 
     # For Docker log to stdout, for non-Docker log to file
-    if [ $DOCKER = "yes" ]
+    if [ "$DOCKER" = "yes" ]
     then
         TWISTEDARGS="${TWISTEDARGS} -l -"
     else
         TWISTEDARGS="${TWISTEDARGS} -l log/cowrie.log"
     fi
 
-    if [ $VIRTUALENV_ENABLED = "yes" ]
+    if [ "$VIRTUALENV_ENABLED" = "yes" ]
     then
         activate_venv "cowrie-env"
     fi
 
     echo "Starting cowrie: [twistd ${TWISTEDARGS} cowrie ${COWRIEARGS}]..."
-    if [ $AUTHBIND_ENABLED = "no" ]
+    if [ "$AUTHBIND_ENABLED" = "no" ]
     then
         twistd ${TWISTEDARGS} ${COWRIEARGS} cowrie
     else