Wake On Lan All dhcp leases via shell

[javcasta]

Hi.

Wake On Lan All dhcp leases via shell:

wol-dhcpleases.sh : a shell script for wake on lan (wol) all dhcp leases

The code:

#!/bin/sh
# wol-dhcpleases.sh
# wol all dhcp leases via all interfaces
# by javcasta - 2016 - https://javcasta.com

BROADCAST=$(ifconfig | grep broadcast | cut -d' ' -f 6)
DHCPLEASES=$(cat /var/dhcpd/var/db/dhcpd.leases | grep "hardware ethernet" | cut -d ' ' -f 5 | sort -u | sed "s|;||")
for LAMAC in $DHCPLEASES; do
   echo "wake on lan:  ${LAMAC}"
   for ELBROADCAST in $BROADCAST; do
       /usr/local/bin/wol -i ${ELBROADCAST} ${LAMAC}
   done
done

Tested in pfSense 2.3.2_1

Regards.