#!/bin/env bash

interface="";
server="dhcpd"
ip="10.5.5.11"
range="/24"

# Todo : List interface
#        Select first
#        Select dhcpd or dnsmasq
#        Select ip range
#        Select ip

# Default interface is the first non-wireless interfaces (sorted alpha-num)





function guess_nowifi {
    for i in `ls /sys/class/net/`; do
        if [ ! -d "/sys/class/net/$i/wireless" ] ; then 
            if [ "$interface" ] ; then 
                if [[ "$i" < "$înterface" ]] ; then
                    interface="$i"
                fi
            else
                interface="$i"
            fi
        fi
    done
}



if [ -z "$interface" ] ; then
    guess_nowifi
fi



echo "Working on $interface"




sudo ip l set "$interface" up
sudo ip a r "${ip}${range}" dev "$interface"
sudo /usr/bin/dhcpd -4 -q -pf /run/dhcpd4.pid "$interface"