Subversion Repositories ALCASAR

CONF_FILE="$DIR_ETC/alcasar.conf"		# main alcasar conf file

EXTIF="eth0"					# ETH0 est l'interface connectée à Internet (Box FAI)

INTIF="eth1"					# ETH1 est l'interface connectée au réseau local de consultation

HOSTNAME="alcasar"

DATE=`date '+%d %B %Y - %Hh%M'`

private_network_calc ()

{

	PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP $PRIVATE_NETMASK |cut -d"=" -f2`		# prefixe du réseau (ex. 24)

	PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP $PRIVATE_NETMASK| cut -d"=" -f2`		# @ réseau de consultation (ex.: 192.168.182.0)

	PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX					# @ + masque du réseau de consult (192.168.182.0/24)

	classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2`		# classes de réseau (ex.: 2=classe B, 3=classe C)

	PRIVATE_NETWORK_SHORT=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`.			# @ compatible hosts.allow et hosts.deny (ex.: 192.168.182.)

	PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2`		# @ broadcast réseau de consultation (ex.: 192.168.182.255)

	tmp_mask=`echo $PRIVATE_NETWORK_MASK|cut -d"/" -f2`; half_mask=`expr $tmp_mask + 1`	# masque du 1/2 réseau de consultation (ex.: 25)

	PRIVATE_STAT_IP=$PRIVATE_NETWORK/$half_mask						# plage des adresses statiques (ex.: 192.168.182.0/25)

	private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup`		# dernier octet de l'@ de réseau

	private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`		# dernier octet de l'@ de broadcast

	private_plage=`expr $private_broadcast_ending - $private_network_ending + 1`

	private_half_plage=`expr $private_plage / 2`

	private_dyn=`expr $private_half_plage + $private_network_ending`

	private_dyn_ip_network=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`"."$private_dyn"."`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup_sup-5`

	PRIVATE_DYN_IP=`echo $private_dyn_ip_network | cut -d"." -f1-4`/$half_mask					# @ réseau (CIDR) de la plage des adresses dynamiques (ex.: 192.168.182.128/25)

	private_dyn_ip_ending=`echo $private_dyn_ip_network | cut -d"." -f4`

	PRIVATE_DYN_FIRST_IP=`echo $private_dyn_ip_network | cut -d"." -f1-3`"."`expr $private_dyn_ip_ending + 1`	# 1ère adresse de la plage dynamique (ex.: 192.168.182.129)

	PRIVATE_DYN_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`		# dernière adresse de la plage dynamique (ex.: 192.168.182.254)

}

			# Create the initial conf file (doesn't exist in earlier versions)

			cat <<EOF > $CONF_FILE

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

##                                      ##

##          ALCASAR Parameters          ##

##                                      ##

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

INSTALL_DATE=$DATE

VERSION=$RUNNING_VERSION

ORGANISM=

EOF

		PUBLIC_IP=`grep IPADDR /etc/sysconfig/network-scripts/ifcfg-$EXTIF|cut -d"=" -f2` 	# @ip du portail (côté Internet)

		PUBLIC_NETMASK=`grep NETMASK /etc/sysconfig/network-scripts/ifcfg-$EXTIF|cut -d"=" -f2`

		PUBLIC_PREFIX=`/bin/ipcalc -p $PUBLIC_IP $PUBLIC_NETMASK |cut -d"=" -f2`		# prefixe du réseau (ex. 24)

		PUBLIC_GATEWAY=`grep GATEWAY /etc/sysconfig/network-scripts/default-ifcfg-$EXTIF|cut -d"=" -f2`

		DNS1=`grep DNS1 /etc/sysconfig/network-scripts/default-ifcfg-$EXTIF|cut -d"=" -f2` 	# @ip 1er DNS

		DNS2=`grep DNS2 /etc/sysconfig/network-scripts/default-ifcfg-$EXTIF|cut -d"=" -f2` 	# @ip 2ème DNS

		DNS1=${DNS1:=208.67.220.220}

		DNS2=${DNS2:=208.67.222.222}

		PRIVATE_IP=`grep IPADDR /etc/sysconfig/network-scripts/ifcfg-$INTIF|cut -d"=" -f2` 	# @ip du portail (côté LAN)

		PRIVATE_NETMASK=`grep NETMASK /etc/sysconfig/network-scripts/ifcfg-$INTIF|cut -d"=" -f2`

		private_network_calc

		echo "PUBLIC_IP=$PUBLIC_IP/$PUBLIC_PREFIX" >> $CONF_FILE 

		echo "GW=$PUBLIC_GATEWAY" >> $CONF_FILE

		echo "DNS1=$DNS1" >> $CONF_FILE

		echo "DNS2=$DNS2" >> $CONF_FILE 

		echo "PRIVATE_IP=$PRIVATE_IP/$PRIVATE_PREFIX" >> $CONF_FILE 

		echo "DHCP=on" >> $CONF_FILE

		echo "DHCP_FIRST=$PRIVATE_DYN_FIRST_IP" >> $CONF_FILE

		echo "DHCP_LAST=$PRIVATE_DYN_LAST_IP" >> $CONF_FILE

		if [ -r /var/run/sshd.pid ]; then

			echo "SSH=on" >> $CONF_FILE

		else

			echo "SSH=off" >> $CONF_FILE

		fi

		echo "QOS=off" >> $CONF_FILE

		if [ `grep ^ldap /etc/raddb/sites-available/alcasar | wc -l` -eq "0" ];	then

			echo "LDAP=off" >> $CONF_FILE

		else

			echo "LDAP=on" >> $CONF_FILE

		fi

		echo "PROTOCOLS_FILTERING=off" >> $CONF_FILE

		echo "DNS_FILTERING=off" >> $CONF_FILE

		echo "WEB_ANTIVIRUS=on" >> $CONF_FILE

		cp $CONF_FILE $DIR_UPDATE/etc/

	--apply|-apply)

		PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/[012]?[0-9]\b"

		PRIVATE_IP_MASK=`grep PRIVATE_IP $CONF_FILE|cut -d"=" -f2`

		check=$(echo $PRIVATE_IP_MASK | egrep $PTN)

		if [[ "$?" -ne 0 ]]

		then 

			echo "Syntax error for PRIVATE_IP_MASK ($PRIVATE_IP_MASK)"

			exit 0

		fi

		PUBLIC_IP_MASK=`grep PUBLIC_IP $CONF_FILE|cut -d"=" -f2`

		check=$(echo $PUBLIC_IP_MASK | egrep $PTN)

		if [[ "$?" -ne 0 ]]

		then 

			echo "Syntax error for PUBLIC_IP_MASK ($PUBLIC_IP_MASK)"

			exit 0

		fi

		PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"

		PUBLIC_GATEWAY=`grep GW $CONF_FILE|cut -d"=" -f2`

		check=$(echo $PUBLIC_GATEWAY | egrep $PTN)

		if [[ "$?" -ne 0 ]]

			then 

			echo "Syntax error for the Gateway IP ($PUBLIC_GATEWAY)"

			exit 0

		fi

		DNS1=`grep DNS1 $CONF_FILE|cut -d"=" -f2`

		check=$(echo $PUBLIC_GATEWAY | egrep $PTN)

		if [[ "$?" -ne 0 ]]

		then 

			echo "Syntax error for the IP address of the first DNS server ($DNS1)"

			exit 0

		fi

		DNS2=`grep DNS2 $CONF_FILE|cut -d"=" -f2`

		check=$(echo $PUBLIC_GATEWAY | egrep $PTN)

		if [[ "$?" -ne 0 ]]

		then 

			echo "Syntax error for the IP address of the second DNS server ($DNS2)"

			exit 0

		fi

		PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`	# @ réseau de consultation (ex.: 192.168.182.0)

		PRIVATE_NETMASK=`echo $PRIVATE_IP_MASK | cut -d"/" -f2`	# @ + masque du réseau de consult (192.168.182.0/24)

		private_network_calc

# /etc/hosts

		cat <<EOF > /etc/hosts

127.0.0.1	localhost

$PRIVATE_IP	$HOSTNAME 

EOF

# Networt Cards config

		$SED "s?^IPADDR=.*?IPADDR=$PUBLIC_IP?" /etc/sysconfig/network-scripts/ifcfg-$EXTIF

		$SED "s?^NETMASK=.*?NETMASK=$PUBLIC_NETMASK?" /etc/sysconfig/network-scripts/ifcfg-$EXTIF

		$SED "s?^GATEWAY=.*?GATEWAY=$PUBLIC_GATEWAY?" /etc/sysconfig/network-scripts/ifcfg-$EXTIF

		$SED "s?^IPADDR=.*?IPADDR=$PRIVATE_IP?" /etc/sysconfig/network-scripts/ifcfg-$INTIF

		$SED "s?^NETMASK=.*?NETMASK=$PRIVATE_NETMASK?" /etc/sysconfig/network-scripts/ifcfg-$INTIF

# NTP server

		$SED "s?^restrict.*?restrict $PRIVATE_NETWORK mask $PRIVATE_NETMASK nomodify notrap\nrestrict 127.0.0.1?" /etc/ntp.conf

# host.allow 

		cat <<EOF > /etc/hosts.allow

ALL: LOCAL, 127.0.0.1, localhost, $PRIVATE_IP

sshd: ALL

ntpd: $PRIVATE_NETWORK_SHORT

EOF

# Alcasar control center

$SED "s?^Listen.*?Listen $PRIVATE_IP:80?g" /etc/httpd/conf/httpd.conf

FIC_MOD_SSL=`find /etc/httpd/modules.d/ -type f -name *mod_ssl.conf`

$SED "s?^Listen.*?Listen $PRIVATE_IP:443?g" $FIC_MOD_SSL

#...

# Start / Stop SSH Daemon

ssh_active=`grep SSH $CONF_FILE|cut -d"=" -f2`

if [ $ssh_active = "on" ]

	then

/sbin/chkconfig --add sshd

else

/sbin/chkconfig --del sshd

fi

$DIR_DEST_BIN/alcasar-iptables.sh

		;;