#!/bin/sh

###
 #
 # FreeWLAN Addons - http://www.freewlan.info
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
 # as published by the Free Software Foundation; either version 2
 # of the License, or (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA
 #
 # http://www.gnu.org/copyleft/gpl.html
 #
###

. /etc/functions.sh
. /tmp/network-config

config_load mailservice
config_get conalarm mail conalarm
config_get to mail to
config_load fon
config_get essid public essid
config_load blockmac
config_get blockmac main enable
 case "$1" in
	"up")
		CONN="UP";
		mac=`echo $CALLING_STATION_ID|sed s/-/:/g`
		echo "$mac $FRAMED_IP_ADDRESS $USER_NAME $SESSION_TIMEOUT `date +%s`" >>/tmp/online
		enabled blockmac && {
		   grep -q $USER_NAME /etc/blockuser && {
			sleep 10
			iwpriv=/usr/sbin/iwpriv
			$iwpriv ath0 maccmd 2 >/dev/null 2>&1
			$iwpriv ath0 addmac $mac
			$iwpriv ath0 kickmac $mac
			STAT="BLOCKED"
		   }
		}
		;;
	"down")
		CONN="DOWN";
		mac=`echo $CALLING_STATION_ID|sed s/-/:/g`
		grep -v $mac /tmp/online >/tmp/online_$$.tmp
		cat /tmp/online_$$.tmp >/tmp/online
		rm /tmp/online_$$.tmp
		enabled blockmac && {
		   grep -q $USER_NAME /etc/blockuser && {
			iwpriv=/usr/sbin/iwpriv
			$iwpriv ath0 delmac $mac
			STAT="UNBLOCKED"
		   }
		}
		;;
 esac;
 
if enabled $conalarm;then
 MAIL_TO="$to";
echo "
 $STAT
 Connection $CONN
 DATE			$(date)
 ESSID			$essid
 Hostname		`cat /etc/hostname`
 Status URL		http://$(ifconfig $wan_ifname 2>/dev/null | grep inet | awk -F'[: ]+' '{print $4}')/cgi-bin/webif/status.sh
 CALLED_STATION_ID	$( ifconfig wifi0|grep HWaddr|sed -e "s/^.*HWaddr //" |sed -e "s/ //g" )
 CALLING_STATION_ID	$CALLING_STATION_ID
 FRAMED_IP_ADDRESS	$FRAMED_IP_ADDRESS
 USER_NAME		$USER_NAME
 SESSION_TIMEOUT	$SESSION_TIMEOUT
"| mail "Fonera: (`cat /etc/hostname`) $USER_NAME $CONN" "$MAIL_TO"

fi