Added automatic exit if cant create ssh session with current login

unic_connect.sh

@@ -5,7 +5,7 @@
 # EDITED  : 19-07-2017 
 # COMMENT : This script creates tunnels for Unicredit servers in DMZ
 #           Use it for your own risk! 
-# VERSION : 2.1
+# VERSION : 2.2
 ########################################################### 
 #
 #CHANGELOG 
@@ -14,6 +14,7 @@
 # - Changed users's array creating 
 # - Function added
 # - Added automatic adding username after first successful login 
+# - Added automatic exit if cant create ssh session with current login
 user=""
 #Defining some colours for fun )))
 RED='\033[0;31m'
@@ -34,7 +35,8 @@ if [ -z "$user" ] ; then
       echo "Adding username $user for future use in the script"
       sed -i -e '0,/user=""/s/user=""/user='$user'/' $0
     else
-      echo "Username defined! Trying to connect..."
+      echo "Cant create ssh session with $user login! Exiting..."
+      exit 0
     fi 
 fi