#!/bin/sh
. /etc/sysconfig/rc
. ${rc_functions}

CHANNEL="05"
TXPOWER="auto"
INTERFACE="blue0"
MACMODE="0"

eval $(/usr/local/bin/readhash /var/ipfire/wlanap/settings)

case "${1}" in
	start)
		mkdir -p /var/run/hostapd

		boot_mesg "Starting hostapd... "

		# Check Interface configuration
		if ! ip link show $INTERFACE > /dev/null 2>&1; then
			boot_mesg "Interface $INTERFACE doesn't exist." ${FAILURE}
			echo_failure
			exit 0
		fi
		if [ "$(ip link show $INTERFACE | /bin/grep "ether")" == "" ]; then
			boot_mesg "Interface $INTERFACE is assigned to wlan master device." ${FAILURE}
			boot_mesg "Please reboot to fix this." ${FAILURE}
			echo_failure
			exit 0
		fi
		if [ "$(iwconfig $INTERFACE | /bin/grep "IEEE")" == "" ]; then
			boot_mesg "Interface $INTERFACE is no wireless device." ${FAILURE}
			echo_failure
			exit 0
		fi

		# Detect driver
		if [ -e "/sys/class/net/$INTERFACE/phy80211" ]; then
			DRIVER="NL80211"
			driver="nl80211"
		elif [ -e "/sys/class/net/$INTERFACE/madwifi_name_type" ]; then
			DRIVER="MADWIFI"
			driver="madwifi"
		elif [ "$(/bin/grep hostap /sys/class/net/$INTERFACE/uevent)" != "" ]; then
			DRIVER="HOSTAP"
			driver="hostap"
		else
			boot_mesg "Interface $INTERFACE is a not supported wireless device." ${FAILURE}
			echo_failure
			exit 0
		fi

		echo driver=$driver > /etc/hostapd.conf.tmp
		grep -v "^driver=" /etc/hostapd.conf >> /etc/hostapd.conf.tmp
		mv /etc/hostapd.conf.tmp /etc/hostapd.conf

		echo DRIVER=$DRIVER > /var/ipfire/wlanap/settings.tmp
		grep -v "^DRIVER=" /var/ipfire/wlanap/settings >> /var/ipfire/wlanap/settings.tmp
		chown nobody:nobody /var/ipfire/wlanap/settings.tmp
		chmod 644 /var/ipfire/wlanap/settings.tmp
		mv /var/ipfire/wlanap/settings.tmp /var/ipfire/wlanap/settings

		if [ "$DRIVER" == "MADWIFI" ]; then
			if [ "$(/usr/sbin/iwconfig $INTERFACE | /bin/grep "Mode:Master")" == "" ]; then
				boot_mesg "Setting MADWIFI wlan $INTERFACE to Master mode... "
				# Set Atheros Cards to master mode
				/usr/bin/wlanconfig $INTERFACE destroy > /dev/null
				/usr/bin/wlanconfig $INTERFACE create wlandev wifi0 wlanmode ap > /dev/null
			fi
		elif [ "$DRIVER" == "HOSTAP" ]; then
			if [ "$(/usr/sbin/iwconfig $INTERFACE | /bin/grep "Mode:Master")" == "" ]; then
				boot_mesg "Setting HOSTAP wlan $INTERFACE to Master mode... "
				# Set Prism Cards to master mode
				/usr/bin/iwconfig $INTERFACE mode master > /dev/null
			fi
		fi

		/usr/sbin/iwconfig $INTERFACE channel $CHANNEL 2>/dev/null
		/usr/sbin/iwconfig $INTERFACE txpower $TXPOWER

		/usr/bin/hostapd -P /var/run/hostapd /etc/hostapd.conf >/dev/null 2>&1 &

		sleep 2

		if [ $DRIVER == "MADWIFI" ]; then
			iwpriv $INTERFACE maccmd 3
			if [ $MACMODE != 0 ]; then
				FILE="/var/ipfire/wlanap/macfile"
				exec < $FILE
				while read LINE
				do
					iwpriv $INTERFACE addmac $LINE
				done

				iwpriv $INTERFACE maccmd $MACMODE
			fi
		fi

		sleep 2

		if [ "$(/usr/sbin/iwconfig $INTERFACE | /bin/grep "Mode:Master")" == "" ]; then
			boot_mesg "Error! Can't set wlan master mode"
			echo_failure;
			exit 0;
		else
			echo_ok
		fi
		;;

	stop)
		boot_mesg "Stopping hostapd..."

		killproc /usr/bin/hostapd
		evaluate_retval
		;;

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

	status)
		statusproc /usr/bin/hostapd
		;;

	*)
		echo "Usage: ${0} {start|stop|restart|status}"
		exit 1
		;;
esac
