#! /bin/bash
#
# wifi          Bring up Wifi networking. Suited for WPA-PSK Wifi networks
#
# P. Kadionik 2006/01/04
#
#

# Source function library.
. /etc/init.d/functions
export PATH=/usr/local/sbin:$PATH

#IF=$1
# Your wifi interface: ethx, athx, wlanx...
IF=eth1
 
AUTH=NONE
for NET in `iwlist $IF scan 2>/dev/null | grep ESSID | cut -d '"' -f 2`
do
    case $NET in
        "mon_wifi_wpa")       # Place all your WPA Access Point's ssids here like this "1AP"|"2AP")
            AUTH=WPA
            iwconfig $IF essid $NET
            ;;
        "mon_wifi_none")    # Place all OPEN your Access Point's ssids here like this "1AP"|"2AP")
            AUTH=NONE
            iwconfig $IF essid $NET
            ;;
    esac
done
 
case $AUTH in
    NONE)
            dhclient $IF
        ;;
    WPA)
        killall wpa_supplicant 2>/dev/null
# wpa_supplicant is executed for WPA encryption
# Old kernel interface ipw
#        wpa_supplicant -wB -i $IF -c /etc/wpa_supplicant.conf -D ipw
# New kernel interface wext
        wpa_supplicant -wB -W  -i $IF -c /etc/wpa_supplicant.conf -D wext

        TIMEOUT=20
        INTERVAL=5
        STATUS=1
        TIME=0
        sleep $INTERVAL
        # Try to authenticate for $TIMEOUT secs
        while [[ $STATUS == 1 && $TIME -lt $TIMEOUT ]]
        do
            wpa_cli status | grep AUTHENTICATED 2> /dev/null
            STATUS=$?
	 echo $STATUS
            TIME=$(($TIME + $INTERVAL))
            sleep $INTERVAL
        done
 
        # If authenticated, start dhclient
        if [[ $STATUS -ne 1 ]]
        then
#            dhclient3 -pf /var/run/dhclient.$IF.pid -lf /var/run/dhclient.$IF.leases $IF
            dhclient $IF
        fi
        ;;
esac
 
exit 0