Added checking username and add successful username to the script for future use

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 : 1.0
+# VERSION : 1.3
 ########################################################### 
 #
 #CHANGELOG 
@@ -13,7 +13,7 @@
 # - Added better variables checking
 # - Changed users's array creating 
 # - Function added 
-user=""
+user=nrk
 #Defining some colours for fun )))
 RED='\033[0;31m'
 NC='\033[0m'
@@ -31,6 +31,17 @@ else
    echo "Username defined! Trying to connect..."
 fi 
 
+#Cheking username for ssh connection and if good then add it to script variables
+statusssh=$(ssh -o BatchMode=yes -o ConnectTimeout=5 -p 10022 $user@tunnel01.rbtechnologies.ru echo ok 2>&1)
+if [[ $statusssh == ok ]] ; then
+  echo "Adding username $user for future use in script"
+  sed -i -e 's/user=nrk/user='$user'/g' $0
+else
+  echo other_error
+fi
+
+
+
 #Create function with port and name of hostname
 function create_tunnel
 {