nova_network

#!/bin/bash
. /etc/rc.conf
. /etc/rc.d/functions
_PRIVATENETWORK=Whitenoise

case $1 in
start)
# system
ifconfig wlan0 up

# log
iwlist wlan0 scan | grep -v wlan0 > /tmp/new
_POOL=""
_HEAD=10
_LIST=$(cat /tmp/new | grep -c Cell)
for (( _CELL=1 ; $_CELL<$_LIST ; _CELL++))
do
        cat /tmp/new | head -n $_HEAD | tail -n10 > /tmp/temp$_CELL
        _HEAD=$(($_HEAD+10))
        _KEY=$(cat /tmp/temp$_CELL | grep Encryption | gawk '{print $2}')
        if [[ $_KEY == "key:on" && ! `cat /tmp/temp$_CELL | grep ESSID | cut -b28- | sed -e 's/"//g'` == "$_PRIVATENETWORK" ]];
        then
                rm /tmp/temp$_CELL
        else
                _POOL="$_POOL `cat /tmp/temp$_CELL | grep ESSID | cut -b28- | sed -e 's/"//g'`"
        fi
done

if [ "$_POOL" == "" ];
then
        rm /tmp/new
        echo "No aviable networks found"
        stat_failed
exit
fi

# connect
for _NAME in $_POOL
do
        if [ $_NAME == "$_PRIVATENETWORK" ];
        then
                iwconfig wlan0 essid $_PRIVATENETWORK
                wpa_supplicant -B -Dwext -i wlan0 -c/etc/wpa_supplicant.conf
                dhcpcd wlan0 > /dev/null 2>$1
                stat_done
                rm /tmp/temp*
                rm /tmp/new
                exit
        fi
done
for _NAME in $_POOL
do
        iwconfig wlan0 essid $_NAME
        dhcpcd wlan0 > /dev/null 2>$1
        stat_done
        rm /tmp/temp*
        rm /tmp/new
        exit
done
rm /tmp/temp*
rm /tmp/new
stat_done
;;

stop)
killall dhcpcd
killall wpa_supplicant
ifconfig wlan0 down
stat_done
;;

restart)
$0 stop
sleep 1
$0 start
;;

*)
        echo "usage: $0 {start|stop|restart}"
esac