#!/bin/sh
WPA_FILE=/etc/wireless.conf
WPA_TEMP=/tmp/wpa_supplicant.conf

if [ -e "$WPA_FILE" ]; then
	WPA_SSID=$(sed -n "1p" $WPA_FILE)
	WPA_PASS=$(sed -n "2p" $WPA_FILE)
	WPA_MODE=$(sed -n "3p" $WPA_FILE)
fi

if [ -z "$WPA_SSID" ] || [ -z "$WPA_PASS" ] || [ "$WPA_MODE" != "client" ]; then
	WPA_SSID=OpenIPC
	WPA_PASS=12345678
	WPA_MODE=server
	rm -f "$WPA_FILE"
fi

case "$PHASE" in
	pre-up)
		/etc/network/adapter
		wpa_passphrase "$WPA_SSID" "$WPA_PASS" > $WPA_TEMP
		[ "$WPA_MODE" = "client" ] && sed -i '2i \\tscan_ssid=1' $WPA_TEMP
		[ "$WPA_MODE" = "server" ] && sed -i '2i \\tmode=2' $WPA_TEMP
		exit 0
		;;

	post-up)
		wpa_supplicant -B -i wlan0 -c $WPA_TEMP
		[ "$WPA_MODE" = "server" ] && udhcpd
		exit 0
		;;

	post-down)
		killall -q udhcpd
		killall -q wpa_supplicant
		exit 0
		;;
esac

case "$1" in
	connect)
		ifdown wlan0
		ifup wlan0
		;;

	reset)
		rm -f "$WPA_FILE"
		;;

	setup)
		if [ -z "$2" ] || [ -z "$3" ]; then
			echo wireless setup [SSID] [PASS]
			exit 0
		fi
		rm -f "$WPA_FILE"
		echo "$2" >> "$WPA_FILE"
		echo "$3" >> "$WPA_FILE"
		echo "client" >> "$WPA_FILE"
		echo SSID: "$2"
		echo PASS: "$3"
		;;

	show)
		echo SSID: "$WPA_SSID"
		echo PASS: "$WPA_PASS"
		;;

	*)
		echo wireless connect
		echo wireless reset
		echo wireless setup
		echo wireless show
		;;
esac