S60nas

#!/bin/sh
# $Id: S60nas,v 1.1 2009/02/20 00:49:03 sam Exp $
# Start nas process on eth1
# http://wiki.openwrt.org/OpenWrtDocs/nas

stop_nas () {
  killall nas
  sleep 2
  killall -9 nas
}

echo -n "Restarting nas process..."
stop_nas;

mode="`nvram get wl0_akm`" 
if [ -z "$mode" -o "$mode" = "disabled" ]; then 
   echo "No authentication mode... not starting NAS"
   exit 0
fi

wep="`nvram get wl0_wep`"
crypto="`nvram get wl0_crypto`"
case "$wep" in
     wep|on|restricted|enabled)  wep=1 ;;
     *)  echo "Unknown wep mode" ;;
esac

case "$crypto" in
     tkip)  crypto=2 ;;
     aes)   crypto=4 ;;
     tkip+aes) crypto=6 ;;
     *)     crypto=0 ;;
esac

# -m 128 and -w 4 dependent on crypto and wep
cmd="nas -P /tmp/nas.wl0lan.pid -H 34954 -l eth1 -i eth1 -A -m 128 -w 4"
key="`nvram get wl0_wpa_psk`"
ssid="`nvram get wl0_ssid`"
rekey="`nvram get wl0_wpa_gtk_rekey`"
new_nas_cmd="$cmd -k $key -s $ssid -g $rekey"

${new_nas_cmd} > /dev/null 2> /dev/null &

echo "done"