Subversion Repositories ALCASAR

#!/bin/sh

# alcasar-network.sh
# by Richard REY
# This script is distributed under the Gnu General Public License (GPL)

# Install network parameters for ALCASAR 
# Installation des paramètres réseau d'ALCASAR

# ******* Global *******
DIR_DEST_ETC="/usr/local/etc"                   # répertoire des fichiers de conf
FIC_PARAM="/root/ALCASAR-parameters.txt"
HOSTNAME="alcasar"
DOMAIN="localdomain"                            # domaine local
EXTIF="eth0"                                    # ETH0 est l'interface connectée à Internet (Box FAI)
INTIF="eth1"                                    # ETH1 est l'interface connectée au réseau local de consultation
SED="/bin/sed -i"

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=`cat $DIR_DEST_ETC/alcasar-network|grep PRIVATE_IP|cut -d"=" -f2`
check=$(echo $PRIVATE_IP_MASK | egrep $PTN)
if [[ "$?" -ne 0 ]]
then 
        echo "Syntax error for PRIVATE_IP ($PRIVATE_IP)"
        exit 0
fi
PUBLIC_IP_MASK=`cat $DIR_DEST_ETC/alcasar-network|grep PUBLIC_IP|cut -d"=" -f2`
check=$(echo $PUBLIC_IP_MASK | egrep $PTN)
if [[ "$?" -ne 0 ]]
then 
        echo "Syntax error for PUBLIC_IP ($PUBLIC_IP)"
        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=`cat $DIR_DEST_ETC/alcasar-network|grep GW|cut -d"=" -f2`
check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
if [[ "$?" -ne 0 ]]
then 
        echo "Syntax error for the Gateway IP ($PUBLIC_GATEWAY)"
        exit 0
fi
DNS1=`cat $DIR_DEST_ETC/alcasar-network|grep DNS1|cut -d"=" -f2`
check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
if [[ "$?" -ne 0 ]]
then 
        echo "Syntax error for the IP address of the first DNS server ($EXT_GATEWAY)"
        exit 0
fi
DNS2=`cat $DIR_DEST_ETC/alcasar-network|grep DNS2|cut -d"=" -f2`
check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
if [[ "$?" -ne 0 ]]
then 
        echo "Syntax error for the IP address of the second DNS server ($EXT_GATEWAY)"
        exit 0
fi
        PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP_MASK | cut -d"=" -f2`       # @ réseau de consultation (ex.: 192.168.182.0)
        private_prefix=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2`         # prefixe du réseau (ex. 24)
        PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$private_prefix                   # @ + masque du réseau de consult (192.168.182.0/24)
        classe=$((private_prefix/8));                                           # classe de réseau (ex.: 2=classe B, 3=classe C)
        classe_sup=`expr $classe + 1`
        private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup`        # dernier octet de l'@ de réseau
        PRIVATE_NETWORK_SHORT=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`.          # @ compatible hosts.allow et hosts.deny (ex.: 192.168.182.)
        PRIVATE_MASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2`          # masque réseau de consultation (ex.: 255.255.255.0)
        PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_IP_MASK | cut -d"=" -f2`     # @ broadcast réseau de consultation (ex.: 192.168.182.255)
        private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`    # dernier octet de l'@ de broadcast
        PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`                      # @ip du portail (côté réseau de consultation)
        PRIVATE_DYN_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 2`     # @ip du portail (côté réseau de consultation)
        PRIVATE_DYN_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`  # @ip du portail (côté réseau de consultation)

# Change in ALCASAR-parameters
$SED "s?^- WAN IP.*?- WAN IP address ($EXTIF) :\t$PUBLIC_IP_MASK?g" $FIC_PARAM
$SED "s?^- Gateway.*?- Gateway IP addess :\t$PUBLIC_GATEWAY?g" $FIC_PARAM
$SED "s?^- DNS servers.*?- DNS servers :\t$DNS1 and $DNS2?g" $FIC_PARAM
$SED "s?^- LAN IP.*?- LAN IP address ($INTIF) :\t$PRIVATE_IP_MASK?g" $FIC_PARAM
$SED "s?^- Dynamic.*?- Dynamic IP addresses (DHCP) :\tfrom $PRIVATE_DYN_FIRST_IP to $PRIVATE_DYN_LAST_IP?g" $FIC_PARAM
# Change in ...