#!/bin/bash

# Check iptables for ttlvalue
ttlvalue=$(iptables -t mangle -vnL | awk '/TTL/ {print $13; exit}')
ttlenabled=true;

# Set Variables
if [ -z "${ttlvalue}" ]; then
    ttlvalue=0
    ttlenabled=false
fi

echo "Content-type: text/json" 
echo ""
cat <<EOT
{
    "isEnabled": $ttlenabled,
    "ttl": $ttlvalue
}
EOT