#!/bin/sh

if [ $# != 3 ]; then
    echo "dowpa <interface> <ssid> <password>"
    exit 1
fi

ifc=$1
ssid=$2
pass=$3

killall -9 wpa_supplicant > /dev/null 2>&1
sleep 0.5
ifconfig wlan0 down > /dev/null 2>&1
ifconfig wlan0 destroy > /dev/null 2>&1
sleep 0.5

cat > /etc/wpa_supplicant.conf << EOF
network={
    ssid="$ssid"
    scan_ssid=1
    psk="$3"
}
EOF

ifconfig wlan0 create wlandev $ifc
sleep 0.5
/sbin/wpa_supplicant -B -q -i wlan0 -c /etc/wpa_supplicant.conf -D bsd \
	 -P /var/run/wpa_supplicant/wlan0.pid