source: ipk/source/swapnetwork_wlan_300/var/etc/autostart/wlan@ 6710

#######/bin/sh

if [ `df | grep /dev/mtdblock | grep var | sed 's/ \+/ /g' | cut -d ' ' -f4 | tail -n1 | wc -l` -eq 1 ]; then
        echo "[wlan] checking swapstick..."
        if [ ! -d /var/swap/bin/ ]; then
            echo "[wlan] no swapstick found!" | tee -a $WLAN_LOG
            return
        fi
        echo "[wlan] swapstick found" | tee $WLAN_LOG
fi

if [ ! -z $WLAN_STARTMODE ] && [ $WLAN_STARTMODE == "load" ]; then
        if  [ ! "$debug" = 'off' ]; then
                echo $CMD ["$INPUT"] startWlan
        fi

        [ ! -f /etc/Wireless/wlan.usbmap ] && rm -f /etc/Wireless/wlan_module && return
        WLAN_MODULE=
        MEM=$IFS
        IFS=$'\012'
        echo "[wlan] searching wireless-module ..." | tee -a $WLAN_LOG
        USBIDS=`cat /proc/bus/usb/devices | grep ^P:`
        if [ -f /etc/Wireless/wlan_module ]; then
                WLAN_MODULE=`cat /etc/Wireless/wlan_module | awk {'print $1'}`
                VID=`cat /etc/Wireless/wlan_module | awk {'print $2'}`
                PID=`cat /etc/Wireless/wlan_module | awk {'print $3'}`
        fi
        if [ -z $WLAN_MODULE ] || [ -z "`echo $USBIDS | grep $VID | grep $PID`" ]; then
                for i in $USBIDS; do
                        VID=`echo $i | awk {'print $2'} | cut -d"=" -f2`
                        PID=`echo $i | awk {'print $3'} | cut -d"=" -f2`
                        WLAN_MODULE=
                        for j in `cat /etc/Wireless/wlan.usbmap`; do
                                if [ `echo $j | awk {'print $3'}` == 0x$VID ] && [ `echo $j | awk {'print $4'}` == 0x$PID ]; then
                                        WLAN_MODULE=`echo $j | awk {'print $1'}`
                                        break
                                fi
                        done
                        [ ! -z $WLAN_MODULE ] && break
                done
                [ ! -z $WLAN_MODULE ] && echo $WLAN_MODULE $VID $PID > /etc/Wireless/wlan_module || rm -f /etc/Wireless/wlan_module
        fi
        [ -z $WLAN_MODULE ] && echo "[wlan] no applicable USB WLAN device found" | tee -a $WLAN_LOG && return
        IFS=$MEM
        echo "[wlan] loading $WLAN_MODULE.ko" | tee -a $WLAN_LOG
        [ $WLAN_MODULE == "rt73" ] && insmod /var/swap/modules/funcemu.ko
        insmod /var/swap/modules/$WLAN_MODULE.ko
        sleep 1
        [ -z "`lsmod | grep $WLAN_MODULE`" ] && echo "[wlan] could not load $WLAN_MODULE" | tee -a $WLAN_LOG && return
        sleep 1
        case $WLAN_MODULE in
            zd1211 | zd1211b )          WLAN_IF=eth1
                                        WLAN_DRV=zydas
                                        ;;
            rt73 )                      WLAN_IF=rausb0
                                        WLAN_DRV=ralink
                                        ;;
            rt2870sta | rt3070sta )     WLAN_IF=ra0
                                        WLAN_DRV=wext
                                        ;;
            * )                         echo "[wlan] Unknown module $WLAN_MODULE" | tee -a $WLAN_LOG && return
                                        ;;
        esac
        ifconfig $WLAN_IF 0.0.0.0 up
        [ -z "`ifconfig | grep $WLAN_IF`" ] && rmmod $WLAN_MODULE && echo "[wlan] $WLAN_IF not ready" | tee -a $WLAN_LOG && return
        sleep 1

        if [ -z "`cat /var/etc/network/interfaces | grep \"auto $WLAN_IF\"`" ]; then
                echo "[wlan] wireless interface $WLAN_IF not activated" | tee -a $WLAN_LOG
                python /var/etc/network/wlanscan.pyc $WLAN_IF
                ifconfig $WLAN_IF down
                return
        fi
        if [ ! -f /etc/wpa_supplicant.conf ]; then
                echo "[wlan] wireless lan not yet configured" | tee -a $WLAN_LOG
                python /var/etc/network/wlanscan.pyc $WLAN_IF
                ifconfig $WLAN_IF down
                return
        fi
fi
if [ -z $WLAN_STARTMODE ] || [ $WLAN_STARTMODE == "load" ] || [ $WLAN_STARTMODE == "connect" ]; then
        rm -Rf /var/run/wpa_supplicant*
        AP_TRIES=20
        AP=`cat /etc/wpa_supplicant.conf | grep ssid | grep -v scan_ssid | cut -d"=" -f2`
        echo "[wlan] starting wpa_supplicant ..." | tee -a $WLAN_LOG
        /var/bin/wpa_supplicant -B -i $WLAN_IF -P /var/run/wpa_supplicant.pid -D $WLAN_DRV -c /etc/wpa_supplicant.conf
        while [ $AP_TRIES -gt 0 ]; do
                AP_STATE=`/var/bin/wpa_cli -i $WLAN_IF -p /var/run/wpa_supplicant status | grep wpa_state | cut -d"=" -f2`
                [ "$AP_STATE" == "COMPLETED" ] && echo "[wlan] association with $AP completed" | tee -a $WLAN_LOG && break
                AP_TRIES=$((AP_TRIES-1))
                sleep 1
        done
        if [ $AP_TRIES -lt 1 ]; then
                case "$AP_STATE" in
                        "SCANNING"  )   echo -e "[wlan] access point $AP not found (scanning aborted...)" | tee -a $WLAN_LOG
                        ;;
                        *           )   echo -e "[wlan] authentification to access point $AP failed" | tee -a $WLAN_LOG
                        ;;
                esac
                python /var/etc/network/wlanscan.pyc $WLAN_IF
                kill -9 `cat /var/run/wpa_supplicant.pid`
                rm /var/run/wpa_supplicant.pid
                ifconfig $WLAN_IF down
                return
        fi
        python /var/etc/network/wlanscan.pyc $WLAN_IF
        ETH0IP=`ifconfig eth0 | grep -m1 "inet addr" | sed s/"^\s*"// | sed s/" \+"/" "/g | cut -d " " -f2 | cut -d ":" -f2`
        [ -z $ETH0IP ] && ETH0IP="0.0.0.0"
        ip addr flush eth0
        startNetwork $WLAN_IF
        ifconfig eth0 $ETH0IP
        IP=`ifconfig $WLAN_IF | grep -m1 "inet addr" | sed s/"^\s*"// | sed s/" \+"/" "/g | cut -d " " -f2 | cut -d ":" -f2`
        NET=`echo ${IP%.*}`
        ( /var/bin/fping -l -b12 -q -i2000 -g $NET.1 $NET.254 2> /dev/null ) &
else
        echo "[wlan] unknown wireless startmode $WLAN_STARTMODE" | tee -a $WLAN_LOG && break
fi