uSpot-configure

#!/bin/bash

########################################################################

. /usr/local/uSpot/uSpot-functions

########################################################################

#ifaces=$(for a in $(netstat -npl |egrep '^udp .*/ntpd' |egrep -v " (127.0.0.1|0.0.0.0|${PORTAL}):123 " |awk '{print $4}' |cut -d: -f1) ; do ifconfig |grep -B1 " inet addr:${a} " |head -1 ; done |awk '{print $1}')
ifaces=$(ip addr ls |grep "inet " |egrep -v " (127.0.0.1|0.0.0.0|${PORTAL})/" |grep " scope global " |sed 's/^.* scope global //g')

echo "Shutting down services ..."
for service in uSpot apache2 ntp isc-dhcp-server ; do
	echo " ${service}"
	service ${service} stop 2>/dev/null >/dev/null
done

echo "Shutting down WLAN interfaces ..."
for iface in ${ifaces} ; do
	echo " ${iface}"
	ifdown ${iface} 2>/dev/null >/dev/null
	rm /etc/munin/plugins/if_${iface}
done

echo "Configuring files ..."

for f in dhcpd interfaces ; do
echo " ${CONF}/${f}"
cat<<EOF>${CONF}/${f}
# This file is generated by 'uSpot-configure'
# Do not edit it manualy

EOF
done

########################################################################

echo "Configuring networks ..."

i=0

while [ "${WLAN_IF[$i]}" != "" ] ; do

[ "${WLAN_ID[${i}]}" = "" ] && iface="${WLAN_IF[${i}]}" || iface="${WLAN_IF[${i}]}.${WLAN_ID[${i}]}"

echo " ${IF_WLAN} " |grep -q " ${iface} "
if [ $? -eq 0 ] ; then

r=$(sipcalc ${WLAN_ADDR[${i}]} ${WLAN_MASK[${i}]})
range=$(echo "${r}" |grep "^Network range" |awk '{print $4" "$6}')
range=(${range})

first=${range[0]}
last=${range[1]}

IFS=. read -r f1 f2 f3 f4 <<< "${first}"
IFS=. read -r l1 l2 l3 l4 <<< "${last}"

case ${DHCP_GW_ADDR} in
	first)
		gateway="${f1}.${f2}.${f3}.$(( ${f4} + 1 ))"
	;;
	last)
		gateway="${l1}.${l2}.${l3}.$(( ${l4} - 1 ))"
	;;
esac

first_usable="${f1}.${f2}.${f3}.$(( ${f4} + ${DHCP_RANGE_FIRST} ))"
last_usable="${l1}.${l2}.${l3}.$(( ${l4} - ${DHCP_RANGE_LAST} ))"

echo " ${WLAN_IF[$i]} ${WLAN_ID[${i}]} ${WLAN_ADDR[${i}]}/${WLAN_MASK[${i}]} ${gateway} ${first_usable}-${last_usable}"

cat<<EOF>>${CONF}/interfaces
# ${WLAN_DESC[${i}]}
auto ${iface}
 iface ${iface} inet static
 address ${gateway}
 netmask ${WLAN_MASK[${i}]}

EOF

cat<<EOF>>${CONF}/dhcpd
# ${WLAN_DESC[${i}]}
subnet ${first} netmask ${WLAN_MASK[${i}]} {
 option routers ${gateway};
 option broadcast-address ${last};
 range ${first_usable} ${last_usable};
}

EOF

ifup ${iface} 2>/dev/null >/dev/null
ln -fs /usr/share/munin/plugins/if_ /etc/munin/plugins/if_${iface}

fi

(( i++ ))

done
echo

sed -i "s/^INTERFACES=.*/INTERFACES=\"${IF_WLAN}\"/g" /etc/default/isc-dhcp-server

echo "Starting services ..."
for service in isc-dhcp-server ntp apache2 uSpot ; do
	echo " ${service}"
	service ${service} start 2>/dev/null >/dev/null
done