#!/bin/sh
    HOST="B8:3B:CC:51:95:6B" 
    HOST1="AC:FD:CE:EA:73:7E" 

    # limit w minutach
    LIMIT=160

    F=/tmp/timequota-$HOST
    if [ -e $F ]; then
        USEDTIME=$(cat $F)
    else
        USEDTIME=0
    fi

    T=$(iw dev phy0-ap0 station dump | grep -i -A 1 $HOST | awk '/inactive time/{print $3}')
    [ -z "$T" ] && T=$(iw dev phy1-ap0 station dump | grep -i -A 1 $HOST | awk '/inactive time/{print $3}')
    [ -z "$T" ] && T=$(iw dev phy2-ap0 station dump | grep -i -A 1 $HOST | awk '/inactive time/{print $3}')
    [ -z "$T" ] && T=$(iw dev phy3-ap0 station dump | grep -i -A 1 $HOST | awk '/inactive time/{print $3}')

    [ -z "$T" ] && T=$(iw dev phy0-ap0 station dump | grep -i -A 1 $HOST1 | awk '/inactive time/{print $3}')
    [ -z "$T" ] && T=$(iw dev phy1-ap0 station dump | grep -i -A 1 $HOST1 | awk '/inactive time/{print $3}')
    [ -z "$T" ] && T=$(iw dev phy2-ap0 station dump | grep -i -A 1 $HOST1 | awk '/inactive time/{print $3}')
    [ -z "$T" ] && T=$(iw dev phy3-ap0 station dump | grep -i -A 1 $HOST1 | awk '/inactive time/{print $3}')


    [ -z "$T" ] && exit 0
    if [ $T -lt 60000 ]; then
        USEDTIME=$((USEDTIME + 1))
        echo $USEDTIME > $F
    fi
    if [ $USEDTIME -gt $LIMIT ]; then
        if [ "x$(uci -q get firewall.mac${HOST//:/}.enabled)" != "x1" ]; then 
            uci set firewall.mac${HOST//:/}=rule
            uci set firewall.mac${HOST//:/}.src='lan'
            uci set firewall.mac${HOST//:/}.dest='wan'
            uci set firewall.mac${HOST//:/}.src_mac=$HOST
            uci set firewall.mac${HOST//:/}.target='REJECT'
            uci set firewall.mac${HOST//:/}.enabled=1
        fi
        if [ "x$(uci -q get firewall.mac${HOST1//:/}.enabled)" != "x1" ]; then 
            uci set firewall.mac${HOST1//:/}=rule
            uci set firewall.mac${HOST1//:/}.src='lan'
            uci set firewall.mac${HOST1//:/}.dest='wan'
            uci set firewall.mac${HOST1//:/}.src_mac=$HOST1
            uci set firewall.mac${HOST1//:/}.target='REJECT'
            uci set firewall.mac${HOST1//:/}.enabled=1

        fi
   fi
            uci commit firewall
            /etc/init.d/firewall restart
    exit 0

#!/bin/sh
    
    HOST1="AC:FD:CE:EA:73:7E"
    HOST="B8:3B:CC:51:95:6B"
    echo 0 > /tmp/timequota-$HOST
    uci set firewall.mac${HOST//:/}.enabled=0
    uci set firewall.mac${HOST1//:/}.enabled=0
    uci commit firewall
    /etc/init.d/firewall restart
    exit 0

root@OpenWrt:~# /usr/bin/timequotas-clean.sh
uci: Invalid argument
Section macB83BCC51956B is disabled, ignoring section

root@OpenWrt:~# sh -x /usr/bin/timequotas.sh
+ HOST=B8:3B:CC:51:95:6B
+ HOST1=AC:FD:CE:EA:73:7E
+ LIMIT=160
+ F=/tmp/timequota-B8:3B:CC:51:95:6B
+ '[' -e /tmp/timequota-B8:3B:CC:51:95:6B ]
+ cat /tmp/timequota-B8:3B:CC:51:95:6B
+ USEDTIME=8
+ iw dev phy0-ap0 station dump
+ grep -i -A 1 B8:3B:CC:51:95:6B
+ awk '/inactive time/{print $3}'
+ T=
+ '[' -z  ]
+ iw dev phy1-ap0 station dump
+ grep -i -A 1 B8:3B:CC:51:95:6B
+ awk '/inactive time/{print $3}'
+ T=
+ '[' -z  ]
+ iw dev phy2-ap0 station dump
+ grep -i -A 1 B8:3B:CC:51:95:6B
+ awk '/inactive time/{print $3}'
+ T=1470
+ '[' -z 1470 ]
+ '[' -z 1470 ]
+ '[' -z 1470 ]
+ '[' -z 1470 ]
+ '[' -z 1470 ]
+ '[' -z 1470 ]
+ '[' 1470 -lt 60000 ]
+ USEDTIME=9
+ echo 9
+ '[' 9 -gt 160 ]
+ uci commit firewall
+ /etc/init.d/firewall restart
+ exit 0
root@OpenWrt:~#