WebSVN – ALCASAR – Diff – /alcasar.sh

 #!/bin/bash
-#  $Id: alcasar.sh 860 2012-04-20 17:51:24Z richard $
+#  $Id: alcasar.sh 861 2012-04-21 20:18:48Z richard $
 # alcasar.sh
 # by Franck BOUIJOUX, Pascal LEVANT and Richard REY
 # This script is distributed under the Gnu General Public License (GPL)
 		fi
 	else
 		PRIVATE_IP_MASK=`grep PRIVATE_IP conf/etc/alcasar.conf|cut -d"=" -f2`
 		rm -rf conf/etc/alcasar.conf
 	fi
-# Define Lan side parameters
+# Define LAN side global parameters
 	hostname $HOSTNAME
 	PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP_MASK | cut -d"=" -f2`			# private network address (ie.: 192.168.182.0)
 	PRIVATE_NETMASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2`			# private network mask (ie.: 255.255.255.0)
 	PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`					# ALCASAR private ip address (consultation LAN side)
-	private_prefix=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2`				# network prefix (ie. 24)
+	PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2`				# network prefix (ie. 24)
-	PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$private_prefix					# ie.: 192.168.182.0/24
+	PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX					# ie.: 192.168.182.0/24
-	classe=$((private_prefix/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2`		# ie.: 2=classe B, 3=classe C
+	classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2`		# ie.: 2=classe B, 3=classe C
 	PRIVATE_NETWORK_SHORT=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`.			# compatibility with hosts.allow et hosts.deny (ie.: 192.168.182.)
 	PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2`		# private network broadcast (ie.: 192.168.182.255)
 	private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup`		# last octet of LAN address
 	private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`		# last octet of LAN broadcast
 	PRIVATE_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 1`		# First network address (ex.: 192.168.182.1)
 	PRIVATE_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`	# last network address (ex.: 192.168.182.254)
+# Predefine DHCP parameters (LAN side)
+	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 $private_broadcast_ending - 1`		# dernière adresse de la plage dynamique (ex.: 192.168.182.254)
 # Define Internet parameters
 	[ -e /etc/sysconfig/network-scripts/default-ifcfg-$EXTIF ] || cp /etc/sysconfig/network-scripts/ifcfg-$EXTIF /etc/sysconfig/network-scripts/default-ifcfg-$EXTIF
 	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}
 	PUBLIC_NETMASK=`grep NETMASK /etc/sysconfig/network-scripts/default-ifcfg-$EXTIF|cut -d"=" -f2`
 	DEFAULT_PUBLIC_NETMASK=`ipcalc -m 192.168.182.2 | cut -d"=" -f2`
 	PUBLIC_NETMASK=${PUBLIC_NETMASK:=$DEFAULT_PUBLIC_NETMASK}
 	PUBLIC_PREFIX=`/bin/ipcalc -p 192.168.182.2 $PUBLIC_NETMASK|cut -d"=" -f2`
 	echo "PUBLIC_IP=$PUBLIC_IP/$PUBLIC_PREFIX" >> $CONF_FILE
 	echo "PUBLIC_MTU=1500" >> $CONF_FILE
 	echo "GW=$PUBLIC_GATEWAY" >> $CONF_FILE
 	echo "DNS1=$DNS1" >> $CONF_FILE
 	echo "DNS2=$DNS2" >> $CONF_FILE
 unixipc		chilli.eth1.ipc
 pidfile		/var/run/chilli.eth1.pid
 net		$PRIVATE_NETWORK_MASK
 dhcpif		$INTIF
 ethers		$DIR_DEST_ETC/alcasar-ethers
-#statip
+#nodynip
+statip		$PRIVATE_STAT_IP
+dynip		$PRIVATE_DYN_IP
 domain		localdomain
 dns1		$PRIVATE_IP
 dns2		$PRIVATE_IP
 uamlisten	$PRIVATE_IP
 uamport		3990
 bogus-priv
 filterwin2k
 server=$DNS1
 server=$DNS2
 # le servive DHCP est configuré mais n'est exploité que pour le "bypass"
-dhcp-range=$PRIVATE_FIRST_IP,$PRIVATE_LAST_IP,$PRIVATE_NETMASK,12h
+dhcp-range=$PRIVATE_DYN_FIRST_IP,$PRIVATE_DYN_LAST_IP,$PRIVATE_NETMASK,12h
 dhcp-option=option:router,$PRIVATE_IP
 #dhcp-option=option:ntp-server,192.168.0.4,10.10.0.5
 # Exemple de configuration statique : <@MAC>,<name>,<@IP>,<MASK>,<ttl bail>
 #dhcp-host=11:22:33:44:55:66,ssic-test,192.168.182.20,255.255.255.0,45m

Subversion Repositories ALCASAR

(root)/alcasar.sh @ 2681 – Rev 860 → 861