#!/bin/bash

#TODO check if at least one device is UP when running "ip addr" in the <> brackets
if [[ -n "$BLOCK_INSTANCE" ]]; then
  IF="$BLOCK_INSTANCE"
else
  IF=$(ip route | awk '/^default/ { print $5 ; exit }')
fi

if [[ "$IF" == "" || ! -d "/sys/class/net/$IF" ]]; then
   echo "off"
   echo "X"
   echo ""
   exit 33
fi

WAN_IP=$(curl -s checkip.dyndns.org | sed -e 's/.*Current IP Address: //' -e 's/<.*$//')
LAN_IP=$(ip addr show "$IF")

#TODO show connection
echo "$IP"
echo "$IP"
echo ""