wireless

linux下用PCMCIA无线网卡虚拟无线AP的程序源码

#! /bin/sh

NAME="wireless"
IFACE="wlan0"

case "$1" in
  start)
	echo -n "Starting $NAME: "
	. /etc/rw/interfaces/$IFACE
	
	/sbin/insmod pcmcia_core
	/sbin/insmod i82365 ignore=1
	/sbin/insmod ds
	/sbin/insmod prism2 essid=$SSID channel=$DSCHAN
	/sbin/cardmgr
	sleep 1
	/usr/bin/killall -9 cardmgr

	WLANS=`ifconfig -a | cut -d ' ' -f 1 | grep wlan`
	for i in $WLANS ; do
	    /sbin/ifconfig $i up
	done
	
	# FIX: this should somehow be moved int /etc/init.d/wired
	HARDADDR=`/sbin/ifconfig wlan0 | sed -n 's/.*HWaddr\(.*\)/\1/p'`
	if [ -n "$HARDADDR" ] ; then
#		# subtract 1 from byte 1 FIXME this is a hack
#		BYTE1=`echo $HARDADDR | sed -n 's/[^:]*:\([0-9A-F]*\).*/\1/p'`
#		BYTE1=`expr $BYTE1 - 1`
#		HARDADDR=`echo $HARDADDR | sed -e "s/\(:[0-9A-F]*\)/:$BYTE1/"`
		/sbin/ifconfig eth0 hw ether $HARDADDR
	fi

	echo "Done."
	;;
  stop)
	echo -n "Stopping $NAME: "

	# remove from bridge
        WLANS=`brctl show | sed -n 's/.*\(wlan.*\).*/\1/p'` 
	for i in $WLANS ; do
	    /sbin/brctl delif br0 $i
	done

	# tear down
	WLANS=`ifconfig | cut -d ' ' -f 1 | grep wlan`
	for i in $WLANS ; do
	    /sbin/ifconfig $i down
	done

	# remove modules
	/usr/bin/killall -9 cardmgr
	/sbin/rmmod prism2
	/sbin/rmmod ds
	/sbin/rmmod i82365
	/sbin/rmmod pcmcia_core

	echo "Done."
	;;
  restart)
  	/etc/init.d/$NAME stop
	sleep 1
  	/etc/init.d/$NAME start
	;;
  *)
	echo "Usage: $0 {start|stop|restart}" >&2
	exit 1
	;;
esac

exit 0