Created
October 28, 2016 09:48
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Show Clients connected to Hotspot
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#!/bin/bash | |
# show_wifi_clients.sh | |
# Shows MAC, IP address and any hostname info for all connected wifi devices | |
# written for openwrt 12.09 Attitude Adjustment | |
# modified by romano@rgtti.com from http://wiki.openwrt.org/doc/faq/faq.wireless#how.to.get.a.list.of.connected.clients | |
echo "# All connected wifi devices, with IP address," | |
echo "# hostname (if available), and MAC address." | |
printf "# %-20s %-30s %-20s\n" "IP address" "lease name" "MAC address" | |
leasefile=/var/lib/misc/dnsmasq.leases | |
# list all wireless network interfaces | |
# (for MAC80211 driver; see wiki article for alternative commands) | |
for interface in `iw dev | grep Interface | cut -f 2 -s -d" "` | |
do | |
# for each interface, get mac addresses of connected stations/clients | |
maclist=`iw dev $interface station dump | grep Station | cut -f 2 -s -d" "` | |
# for each mac address in that list... | |
for mac in $maclist | |
do | |
# If a DHCP lease has been given out by dnsmasq, | |
# save it. | |
ip="UNKN" | |
host="" | |
ip=`cat $leasefile | cut -f 2,3,4 -s -d" " | grep $mac | cut -f 2 -s -d" "` | |
host=`cat $leasefile | cut -f 2,3,4 -s -d" " | grep $mac | cut -f 3 -s -d" "` | |
# ... show the mac address: | |
printf " %-20s %-30s %-20s\n" $ip $host $mac | |
done | |
done |
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