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#!/bin/bash
#  $Id: alcasar.sh 1378 2014-06-11 07:18:42Z richard $ 

# alcasar.sh

# ALCASAR Install script -  CopyLeft ALCASAR Team [Rexy + 3abtux + Steweb + Crox + ...] 
# Ce programme est un logiciel libre ; This software is free and open source
# elle que publiée par la Free Software Foundation ; soit la version 3 de la Licence. 
# Ce programme est distribué dans l'espoir qu'il sera utile, mais SANS AUCUNE GARANTIE ; 
# sans même une garantie implicite de COMMERCIABILITE ou DE CONFORMITE A UNE UTILISATION PARTICULIERE. 
# Voir la Licence Publique Générale GNU pour plus de détails. 

#  team@alcasar.net

# by Franck BOUIJOUX, Pascal LEVANT and Richard REY
# This script is distributed under the Gnu General Public License (GPL)

# Script d'installation d'ALCASAR (Application Libre pour le Contrôle d'Accès Sécurisé et Authentifié au Réseau)
# ALCASAR est architecturé autour d'une distribution Linux Mageia minimaliste et les logiciels libres suivants :
# Install script for ALCASAR (a secured and authenticated Internet access control captive portal)
# ALCASAR is based on a stripped Mageia (LSB) with the following open source softwares :
#
# Coovachilli, freeradius, mariaDB, apache, netfilter, dansguardian, ntpd, openssl, dnsmasq, havp, libclamav, Ulog, fail2ban, NFsen and NFdump

# Options :
#       -i or --install
#       -u or --uninstall

# Functions :
#       testing                 : connectivity tests, free space test and mageia version test
#       init                    : Installation of RPM and scripts
#       network                 : Network parameters
#       ACC                     : ALCASAR Control Center installation
#       CA                      : Certification Authority initialization
#       init_db                 : Initilization of radius database managed with MariaDB
#       param_radius            : FreeRadius initialisation
#       param_web_radius        : copy ans modifiy original "freeradius web" in ACC
#       param_chilli            : coovachilli initialisation (+authentication page)
#       param_dansguardian      : DansGuardian filtering HTTP proxy configuration
#       antivirus               : HAVP + libclamav configuration
#       param_nfsen             : Configuration du grapheur nfsen pour apache 
#       dnsmasq                 : Name server configuration
#       BL                      : BlackList of Toulouse configuration : split into 3 BL (for Dnsmasq, for dansguardian and for Netfilter)
#       cron                    : Logs export + watchdog + connexion statistics
#       fail2ban                : Fail2ban installation and configuration
#       post_install            : Security, log rotation, etc.
#       gammu_smsd              : Autoregister addon via SMS (gammu-smsd)

DATE=`date '+%d %B %Y - %Hh%M'`
DATE_SHORT=`date '+%d/%m/%Y'`
Lang=`echo $LANG|cut -c 1-2`
mode="install"
# ******* Files parameters - paramètres fichiers *********
DIR_INSTALL=`pwd`                               # current directory 
DIR_CONF="$DIR_INSTALL/conf"                    # install directory (with conf files)
DIR_SCRIPTS="$DIR_INSTALL/scripts"              # install directory (with script files)
DIR_SAVE="/var/Save"                            # backup directory (system_backup, user_db_backup, logs)
DIR_WEB="/var/www/html"                         # directory of APACHE
DIR_DG="/etc/dansguardian"                      # directory of DansGuardian
DIR_ACC="$DIR_WEB/acc"                          # directory of the 'ALCASAR Control Center'
DIR_DEST_BIN="/usr/local/bin"                   # directory of ALCASAR scripts
DIR_DEST_SBIN="/usr/local/sbin"                 # directory of ALCASAR admin scripts
DIR_DEST_ETC="/usr/local/etc"                   # directory of ALCASAR conf files
DIR_DEST_SHARE="/usr/local/share"               # directory of share files used by ALCASAR (dnsmasq for instance)
CONF_FILE="$DIR_DEST_ETC/alcasar.conf"          # central ALCASAR conf file
PASSWD_FILE="/root/ALCASAR-passwords.txt"       # text file with the passwords and shared secrets
# ******* DBMS parameters - paramètres SGBD ********
DB_RADIUS="radius"                              # database name used by FreeRadius server
DB_USER="radius"                                # user name allows to request the users database
DB_GAMMU="gammu"                                # database name used by Gammu-smsd
# ******* Network parameters - paramètres réseau *******
HOSTNAME="alcasar"                              # 
DOMAIN="localdomain"                            # default local domain
EXTIF=`/sbin/ip route|grep default|cut -d" " -f5`       # EXTIF is connected to the ISP broadband modem/router (In France : Box-FAI)
INTIF=`/sbin/ip link|grep '^[[:digit:]]:'|grep -v "lo\|$EXTIF"|cut -d" " -f2|tr -d ":"`         # INTIF is connected to the consultation network
MTU="1500"
ETHTOOL_OPTS='"autoneg off speed 100 duplex full"'
DEFAULT_PRIVATE_IP_MASK="192.168.182.1/24"      # Default ALCASAR IP address
# ****** Paths - chemin des commandes *******
SED="/bin/sed -i"
# ****************** End of global parameters *********************

license ()
{
        if [ $Lang == "fr" ]
        then cat $DIR_INSTALL/gpl-3.0.fr.txt | more
        else cat $DIR_INSTALL/gpl-3.0.txt | more
        fi
        echo "Taper sur Entrée pour continuer !"
        echo "Enter to continue."
        read a
}

header_install ()
{
        clear
        echo "-----------------------------------------------------------------------------"
        echo "                     ALCASAR V$VERSION Installation"
        echo "Application Libre pour le Contrôle d'Accès Sécurisé et Authentifié au Réseau"
        echo "-----------------------------------------------------------------------------"
} # End of header_install ()


##################################################################
##                      Function "testing"                      ##
## - Test of Mageia version                                     ##
## - Test of free space on /var  (>10G)                         ##
## - Test of Internet access                                    ##
##################################################################
testing ()
{
# Test if ALCASAR is already installed
        if [ -e $CONF_FILE ]
        then
                current_version=`cat $CONF_FILE | grep VERSION | cut -d"=" -f2`
                if [ $Lang == "fr" ]
                        then echo -n "La version "; echo -n $current_version ; echo " d'ALCASAR est déjà installée";
                        else echo -n "ALCASAR Version "; echo -n $current_version ; echo " is already installed";
                fi
                response=0
                PTN='^[oOnNyY]$'
                until [[ $(expr $response : $PTN) -gt 0 ]]
                do
                        if [ $Lang == "fr" ]
                                then echo -n "Voulez-vous effectuer une mise à jour (O/n)? ";
                                else echo -n "Do you want to update (Y/n)?";
                         fi
                        read response
                done
                if [ "$response" = "n" ] || [ "$response" = "N" ] 
                then
                        rm -f /tmp/alcasar-conf*
                else
# Create a backup of running version importants files
                        $DIR_SCRIPTS/alcasar-conf.sh --create
                        mode="update"
                fi
        else
                if [ ! -d /var/log/netflow/porttracker ]
                        then
# Test of free space on /var
                        free_space=`df -BG --output=avail /var|tail -1|tr -d [:space:]G`
                        if [ $free_space -lt 10 ]
                                then
                                if [ $Lang == "fr" ]
                                        then echo "place disponible sur /var insufisante ($free_space Go au lieu de 10 Go au minimum)"
                                        else echo "not enough free space on /var ($free_space GB instead of at least 10 GB)"
                                fi
                        exit 0
                        fi
                fi
# Test of Mageia version
# extract the current Mageia version and hardware architecture (i586 ou X64)
                fic=`cat /etc/product.id`
                unknown_os=0
                old="$IFS"
                IFS=","
                set $fic
                for i in $*
                do
                        if [ "`echo $i|grep distribution|cut -d'=' -f1`" == "distribution" ]
                                then 
                                DISTRIBUTION=`echo $i|cut -d"=" -f2`
                                unknown_os=`expr $unknown_os + 1`
                        fi
                        if [ "`echo $i|grep version|cut -d'=' -f1`" == "version" ]
                                then 
                                CURRENT_VERSION=`echo $i|cut -d"=" -f2`
                                unknown_os=`expr $unknown_os + 1`
                        fi
                        if [ "`echo $i|grep arch|cut -d'=' -f1`" == "arch" ]
                                then 
                                ARCH=`echo $i|cut -d"=" -f2`
                                unknown_os=`expr $unknown_os + 1`
                        fi
                done
                IFS="$old"
                if [[ ( $unknown_os != 3 || "$DISTRIBUTION" != "Mageia" ) && ( "$CURRENT_VERSION" != "4" ) ]]
                        then
                        if [ $Lang == "fr" ]
                                then    
                                echo "L'installation ou la mise @ jour d'ALCASAR ne peut pas être réalisée."
                                echo "Le système d'exploitation doit être remplacé (Mageia4)"
                        else
                                echo "The automatic update of ALCASAR can't be performed."
                                echo "The OS must be replaced (Mageia4)"
                        fi
                        if [ -e /tmp/alcasar-conf.tar.gz ]
                                then
                                echo
                                if [ $Lang == "fr" ]
                                        then    
                                        echo "1 - Récupérez le fichier de configuration actuel (/tmp/alcasar-conf.tar.gz)."
                                        echo "2 - Installez Linux-Mageia4 (cf. doc d'installation)"
                                        echo "3 - copiez le fichier 'alcasar-conf.tar.gz' dans le répertoire '/tmp' avant de lancer l'installation d'ALCASAR"
                                else
                                        echo "1 - Retrieve the configuration file (/tmp/alcasar-conf.tar.gz)"
                                        echo "2 - Install Linux-Mageia4 (cf. installation doc)"
                                        echo "3 - Copy the file 'alcasar-conf.tar.gz' in the folder '/tmp' before launching the installation of ALCASAR"
                                fi
                        fi
                        exit 0
                fi
        fi
        if [ $Lang == "fr" ]
                then echo -n "Tests des paramètres réseau : "
                else echo -n "Network parameters tests : "
        fi
# We test EXTIF config files
        PUBLIC_IP=`grep IPADDR /etc/sysconfig/network-scripts/ifcfg-$EXTIF|cut -d"=" -f2`
        PUBLIC_GATEWAY=`grep GATEWAY /etc/sysconfig/network-scripts/ifcfg-$EXTIF|cut -d"=" -f2`
        if [ "$EXTIF" == "" ] || [ `echo $PUBLIC_IP|wc -c` -lt 7 ] || [ `echo $PUBLIC_GATEWAY|wc -c` -lt 7 ]
                then
                if [ $Lang == "fr" ]
                then 
                        echo "Échec"
                        echo "La carte réseau connectée à Internet ($EXTIF) n'est pas correctement configurée."
                        echo "Renseignez les champs suivants dans le fichier '/etc/sysconfig/network-scripts/ifcfg-$EXTIF' :"
                        echo "Appliquez les changements : 'systemctl restart network'"
                else
                        echo "Failed"
                        echo "The Internet connected network card ($EXTIF) isn't well configured."
                        echo "The folowing parametres must be set in the file '/etc/sysconfig/network-scripts/ifcfg-$EXTIF' :"
                        echo "Apply the new configuration 'systemctl restart network'"
                fi
                echo "DEVICE=$EXTIF"
                echo "IPADDR="
                echo "NETMASK="
                echo "GATEWAY="
                echo "DNS1="
                echo "DNS2="
                echo "ONBOOT=yes"
                exit 0
        fi
        echo -n "."
# We test the Ethernet links state
        for i in $EXTIF $INTIF
        do
                /sbin/ip link set $i up
                sleep 3
                CMD=`/usr/sbin/ethtool $i |egrep 'Link detected'| awk '{print $NF}'`
                CMD2=`/sbin/mii-tool $i | grep link | awk '{print $NF}'`
                if [ $CMD != "yes" ] && [ $CMD2 != "ok" ]
                        then
                        if [ $Lang == "fr" ]
                        then 
                                echo "Échec"
                                echo "Le lien réseau de la carte $i n'est pas actif."
                                echo "Réglez ce problème puis relancez ce script."
                        else
                                echo "Failed"
                                echo "The link state of $i interface id down."
                                echo "Resolv this problem, then restart this script."
                        fi
                        exit 0
                fi
        echo -n "."
        done
# On teste la présence d'un routeur par défaut (Box FAI)
        if [ `ip route list|grep -c ^default` -ne "1" ] ; then
                if [ $Lang == "fr" ]
                then 
                        echo "Échec"
                        echo "Vous n'avez pas configuré l'accès à Internet ou le câble réseau n'est pas sur la bonne carte."
                        echo "Réglez ce problème puis relancez ce script."
                else
                        echo "Failed"
                        echo "You haven't configured Internet access or Internet link is on the wrong Ethernet card"
                        echo "Resolv this problem, then restart this script."
                fi
                exit 0
        fi
        echo -n "."
# On teste le lien vers le routeur par defaut
        IP_GW=`ip route list|grep ^default|cut -d" " -f3`
        arp_reply=`/usr/sbin/arping -b -I$EXTIF -c1 -w2 $IP_GW|grep response|cut -d" " -f2`
        if [ $(expr $arp_reply) -eq 0 ]
                then
                if [ $Lang == "fr" ]
                then 
                        echo "Échec"
                        echo "Le routeur de site ou la Box Internet ($IP_GW) ne répond pas."
                        echo "Réglez ce problème puis relancez ce script."
                else
                        echo "Failed"
                        echo "The Internet gateway doesn't answered"
                        echo "Resolv this problem, then restart this script."
                fi
                exit 0
        fi
        echo -n "."
# On teste la connectivité Internet
        rm -rf /tmp/con_ok.html
        /usr/bin/curl www.google.fr -s -o /tmp/con_ok.html
        if [ ! -e /tmp/con_ok.html ]
        then
                if [ $Lang == "fr" ]
                then 
                        echo "La tentative de connexion vers Internet a échoué (google.fr)."
                        echo "Vérifiez que la carte $EXTIF est bien connectée au routeur du FAI."
                        echo "Vérifiez la validité des adresses IP des DNS."
                else
                        echo "The Internet connection try failed (google.fr)."
                        echo "Please, verify that the $EXTIF card is connected with the Internet gateway."
                        echo "Verify the DNS IP addresses"
                fi
                exit 0
        fi
        rm -rf /tmp/con_ok.html
        echo ". : ok"
} # end of testing

##################################################################
##                      Function "init"                         ##
## - Création du fichier "/root/ALCASAR_parametres.txt"                ##
## - Installation et modification des scripts du portail        ##
##################################################################
init ()
{
        if [ "$mode" != "update" ]
        then
# On affecte le nom d'organisme
                header_install
                ORGANISME=!
                PTN='^[a-zA-Z0-9-]*$'
                until [[ $(expr $ORGANISME : $PTN) -gt 0 ]]
                do
                        if [ $Lang == "fr" ]
                                then echo -n "Entrez le nom de votre organisme : "
                                else echo -n "Enter the name of your organism : "
                        fi
                        read ORGANISME
                        if [ "$ORGANISME" == "" ]
                                then
                                ORGANISME=!
                        fi
                done
        fi
# On crée aléatoirement les mots de passe et les secrets partagés
        rm -f $PASSWD_FILE
        grubpwd=`cat /dev/urandom | tr -dc [:alnum:] | head -c8`
        echo -n "Password to protect the GRUB boot menu (!!!qwerty keyboard) : " > $PASSWD_FILE
        echo "$grubpwd" >> $PASSWD_FILE
        md5_grubpwd=`/usr/bin/openssl passwd -1 $grubpwd`
        $SED "/^password.*/d" /boot/grub/menu.lst
        $SED "1ipassword --md5 $md5_grubpwd" /boot/grub/menu.lst
        mysqlpwd=`cat /dev/urandom | tr -dc [:alnum:] | head -c8`
        echo -n "Name and password of Mysql/mariadb administrator : " >> $PASSWD_FILE
        echo "root / $mysqlpwd" >> $PASSWD_FILE
        radiuspwd=`cat /dev/urandom | tr -dc [:alnum:] | head -c8`
        echo -n "Name and password of Mysql/mariadb user : " >> $PASSWD_FILE
        echo "$DB_USER / $radiuspwd" >> $PASSWD_FILE
        secretuam=`cat /dev/urandom | tr -dc [:alnum:] | head -c8`
        echo -n "Shared secret between the script 'intercept.php' and coova-chilli : " >> $PASSWD_FILE
        echo "$secretuam" >> $PASSWD_FILE
        secretradius=`cat /dev/urandom | tr -dc [:alnum:] | head -c8`
        echo -n "Shared secret between coova-chilli and FreeRadius : " >> $PASSWD_FILE
        echo "$secretradius" >> $PASSWD_FILE
        chmod 640 $PASSWD_FILE
# Scripts and conf files copy 
#  - in /usr/local/bin :  alcasar-{CA.sh,conf.sh,import-clean.sh,iptables-bypass.sh,iptables.sh,log.sh,watchdog.sh}
        cp -f $DIR_SCRIPTS/alcasar* $DIR_DEST_BIN/. ; chown root:root $DIR_DEST_BIN/alcasar* ; chmod 740 $DIR_DEST_BIN/alcasar*
#  - in /usr/local/sbin :  alcasar-{bl.sh,bypass.sh,dateLog.sh,havp.sh,logout.sh,mysql.sh,nf.sh,profil.sh,uninstall.sh,version-list.sh,load-balancing.sh}
        cp -f $DIR_SCRIPTS/sbin/alcasar* $DIR_DEST_SBIN/. ; chown root:root $DIR_DEST_SBIN/alcasar* ; chmod 740 $DIR_DEST_SBIN/alcasar*
#  - in /usr/local/etc : alcasar-{bl-categories-enabled,dns-name,iptables-local.sh,services}
        cp -f $DIR_CONF/etc/alcasar* $DIR_DEST_ETC/. ; chown root:apache $DIR_DEST_ETC/alcasar* ; chmod 660 $DIR_DEST_ETC/alcasar*
        $SED "s?^radiussecret.*?radiussecret=\"$secretradius\"?g" $DIR_DEST_SBIN/alcasar-logout.sh
        $SED "s?^DB_RADIUS=.*?DB_RADIUS=\"$DB_RADIUS\"?g" $DIR_DEST_SBIN/alcasar-mysql.sh
        $SED "s?^DB_USER=.*?DB_USER=\"$DB_USER\"?g" $DIR_DEST_SBIN/alcasar-mysql.sh $DIR_DEST_BIN/alcasar-conf.sh
        $SED "s?^radiuspwd=.*?radiuspwd=\"$radiuspwd\"?g" $DIR_DEST_SBIN/alcasar-mysql.sh $DIR_DEST_BIN/alcasar-conf.sh
# generate central conf file
        cat <<EOF > $CONF_FILE
##########################################
##                                      ##
##          ALCASAR Parameters          ##
##                                      ##
##########################################

INSTALL_DATE=$DATE
VERSION=$VERSION
ORGANISM=$ORGANISME
DOMAIN=$DOMAIN
EOF
        chmod o-rwx $CONF_FILE
} # End of init ()

##################################################################
##                      Function "network"                      ##
## - Définition du plan d'adressage du réseau de consultation ##
## - Nommage DNS du système                                    ##
## - Configuration de l'interface INTIF (réseau de consultation)##
## - Modification du fichier /etc/hosts                         ##
## - Configuration du serveur de temps (NTP)                    ##
## - Renseignement des fichiers hosts.allow et hosts.deny       ##
##################################################################
network ()
{
        header_install
        if [ "$mode" != "update" ]
                then
                if [ $Lang == "fr" ]
                        then echo "Par défaut, l'adresse IP d'ALCASAR sur le réseau de consultation est : $DEFAULT_PRIVATE_IP_MASK"
                        else echo "The default ALCASAR IP address on consultation network is : $DEFAULT_PRIVATE_IP_MASK"
                fi
                response=0
                PTN='^[oOyYnN]$'
                until [[ $(expr $response : $PTN) -gt 0 ]]
                do
                        if [ $Lang == "fr" ]
                                then echo -n "Voulez-vous utiliser cette adresse et ce plan d'adressage (recommandé) (O/n)? : "
                                else echo -n "Do you want to use this IP address and this IP addressing plan (recommanded) (Y/n)? : "
                        fi
                        read response
                done
                if [ "$response" = "n" ] || [ "$response" = "N" ]
                then
                        PRIVATE_IP_MASK="0"
                        PTN='^\([01]\?[[:digit:]][[:digit:]]\?\|2[0-4][[:digit:]]\|25[0-5]\).\([01]\?[[:digit:]][[:digit:]]\?\|2[0-4][[:digit:]]\|25[0-5]\).\([01]\?[[:digit:]][[:digit:]]\?\|2[0-4][[:digit:]]\|25[0-5]\).\([01]\?[[:digit:]][[:digit:]]\?\|2[0-4][[:digit:]]\|25[0-5]\)/[012]\?[[:digit:]]$'
                        until [[ $(expr $PRIVATE_IP_MASK : $PTN) -gt 0 ]]
                        do
                                if [ $Lang == "fr" ]
                                        then echo -n "Entrez l'adresse IP d'ALCASAR au format CIDR (a.b.c.d/xx) : "
                                        else echo -n "Enter ALCASAR IP address in CIDR format (a.b.c.d/xx) : "
                                fi
                                read PRIVATE_IP_MASK
                        done
                else
                        PRIVATE_IP_MASK=$DEFAULT_PRIVATE_IP_MASK
                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 global parameters
        hostname $HOSTNAME.$DOMAIN
        echo $HOSTNAME.$DOMAIN > /etc/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 $PRIVATE_IP_MASK |cut -d"=" -f2`                                 # network prefix (ie. 24)
        PRIVATE_NETWORK_MASK=$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
        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_SECOND_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 2`        # second network address (ex.: 192.168.182.2)
        PRIVATE_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`      # last network address (ex.: 192.168.182.254)
        PRIVATE_MAC=`/sbin/ip link show $INTIF | grep ether | cut -d" " -f6`                            # MAC address of INTIF
# Define Internet parameters
        [ -e /etc/sysconfig/network-scripts/default-ifcfg-$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 $PUBLIC_IP | cut -d"=" -f2`
        PUBLIC_NETMASK=${PUBLIC_NETMASK:=$DEFAULT_PUBLIC_NETMASK}
        PUBLIC_PREFIX=`/bin/ipcalc -p $PUBLIC_IP $PUBLIC_NETMASK|cut -d"=" -f2`
        PUBLIC_NETWORK=`/bin/ipcalc -n $PUBLIC_IP/$PUBLIC_PREFIX|cut -d"=" -f2`
        echo "PUBLIC_IP=$PUBLIC_IP/$PUBLIC_PREFIX" >> $CONF_FILE
        echo "PUBLIC_MTU=$MTU" >> $CONF_FILE
        echo "GW=$PUBLIC_GATEWAY" >> $CONF_FILE 
        echo "DNS1=$DNS1" >> $CONF_FILE
        echo "DNS2=$DNS2" >> $CONF_FILE
        echo "PRIVATE_IP=$PRIVATE_IP_MASK" >> $CONF_FILE
        echo "DHCP=full" >> $CONF_FILE
        echo "EXT_DHCP_IP=none" >> $CONF_FILE
        echo "RELAY_DHCP_IP=none" >> $CONF_FILE
        echo "RELAY_DHCP_PORT=none" >> $CONF_FILE
        [ -e /etc/sysconfig/network.default ] || cp /etc/sysconfig/network /etc/sysconfig/network.default
# config network
        cat <<EOF > /etc/sysconfig/network
NETWORKING=yes
HOSTNAME="$HOSTNAME.$DOMAIN"
FORWARD_IPV4=true
EOF
# config /etc/hosts
        [ -e /etc/hosts.default ] || cp /etc/hosts /etc/hosts.default
        cat <<EOF > /etc/hosts
127.0.0.1       localhost
$PRIVATE_IP     $HOSTNAME.$DOMAIN $HOSTNAME $ORGANISME.$DOMAIN $ORGANISME
EOF
# Config EXTIF (Internet)
        cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$EXTIF
DEVICE=$EXTIF
BOOTPROTO=static
IPADDR=$PUBLIC_IP
NETMASK=$PUBLIC_NETMASK
GATEWAY=$PUBLIC_GATEWAY
DNS1=127.0.0.1
ONBOOT=yes
METRIC=10
NOZEROCONF=yes
MII_NOT_SUPPORTED=yes
IPV6INIT=no
IPV6TO4INIT=no
ACCOUNTING=no
USERCTL=no
MTU=$MTU
EOF
# Config INTIF (consultation LAN) in normal mode
        cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$INTIF
DEVICE=$INTIF
BOOTPROTO=static
ONBOOT=yes
NOZEROCONF=yes
MII_NOT_SUPPORTED=yes
IPV6INIT=no
IPV6TO4INIT=no
ACCOUNTING=no
USERCTL=no
ETHTOOL_OPTS=$ETHTOOL_OPTS
EOF
# Config of INTIF in bypass mode (see "alcasar-bypass.sh")
        cat <<EOF > /etc/sysconfig/network-scripts/default-ifcfg-$INTIF
DEVICE=$INTIF
BOOTPROTO=static
IPADDR=$PRIVATE_IP
NETMASK=$PRIVATE_NETMASK
ONBOOT=yes
METRIC=10
NOZEROCONF=yes
MII_NOT_SUPPORTED=yes
IPV6INIT=no
IPV6TO4INIT=no
ACCOUNTING=no
USERCTL=no
EOF
# Mise à l'heure du serveur
        [ -e /etc/ntp/step-tickers.default ] || cp /etc/ntp/step-tickers /etc/ntp/step-tickers.default
        cat <<EOF > /etc/ntp/step-tickers
0.fr.pool.ntp.org       # adapt to your country
1.fr.pool.ntp.org
2.fr.pool.ntp.org
EOF
# Configuration du serveur de temps (sur lui même)
        [ -e /etc/ntp.conf.default ] || cp /etc/ntp.conf /etc/ntp.conf.default
        cat <<EOF > /etc/ntp.conf
server 0.fr.pool.ntp.org        # adapt to your country
server 1.fr.pool.ntp.org
server 2.fr.pool.ntp.org
server 127.127.1.0              # local clock si NTP internet indisponible ...
fudge 127.127.1.0 stratum 10
restrict $PRIVATE_NETWORK mask $PRIVATE_NETMASK nomodify notrap
restrict 127.0.0.1
driftfile /var/lib/ntp/drift
logfile /var/log/ntp.log
EOF

        chown -R ntp:ntp /var/lib/ntp
# Renseignement des fichiers hosts.allow et hosts.deny
        [ -e /etc/hosts.allow.default ]  || cp /etc/hosts.allow /etc/hosts.allow.default
        cat <<EOF > /etc/hosts.allow
ALL: LOCAL, 127.0.0.1, localhost, $PRIVATE_IP
sshd: ALL
ntpd: $PRIVATE_NETWORK_SHORT
EOF
        [ -e /etc/host.deny.default ]  || cp /etc/hosts.deny /etc/hosts.deny.default
        cat <<EOF > /etc/hosts.deny
ALL: ALL: spawn ( /bin/echo "service %d demandé par %c" | /bin/mail -s "Tentative d'accès au service %d par %c REFUSE !!!" security ) &
EOF
# Firewall config
        $SED "s?^EXTIF=.*?EXTIF=\"$EXTIF\"?g" $DIR_DEST_BIN/alcasar-iptables.sh  $DIR_DEST_BIN/alcasar-iptables-bypass.sh
        $SED "s?^INTIF=.*?INTIF=\"$INTIF\"?g" $DIR_DEST_BIN/alcasar-iptables.sh  $DIR_DEST_BIN/alcasar-iptables-bypass.sh
        chmod o+r $DIR_DEST_BIN/alcasar-iptables.sh #lecture possible pour apache (interface php du filtrage réseau)
# create the filter exception file and ip_bloqued file
        touch $DIR_DEST_ETC/alcasar-filter-exceptions
# create the ip_blocked file with a first line (LAN between ALCASAR and the Internet GW)
        echo "#$PUBLIC_NETWORK/$PUBLIC_PREFIX LAN-ALCASAR-BOX" > $DIR_DEST_ETC/alcasar-ip-blocked
# load conntrack ftp module
        [ -e /etc/modprobe.preload.default ] || cp /etc/modprobe.preload /etc/modprobe.preload.default
        echo "ip_conntrack_ftp" >>  /etc/modprobe.preload
# load ipt_NETFLOW module
        echo "ipt_NETFLOW" >>  /etc/modprobe.preload
# 
# the script "$DIR_DEST_BIN/alcasar-iptables.sh" is launched at the end in order to allow update via ssh
} # End of network ()

##################################################################
##                      Function "ACC"                          ##
## - installation du centre de gestion (ALCASAR Control Center) ##
## - configuration du serveur web (Apache)                      ##
## - définition du 1er comptes de gestion                      ##
## - sécurisation des accès                                   ##
##################################################################
ACC ()
{
        [ -d $DIR_WEB ] && rm -rf $DIR_WEB
        mkdir $DIR_WEB
# Copie et configuration des fichiers du centre de gestion
        cp -rf $DIR_INSTALL/web/* $DIR_WEB/
        echo "$VERSION" > $DIR_WEB/VERSION
        $SED "s?99/99/9999?$DATE_SHORT?g" $DIR_ACC/menu.php
        $SED "s?\$DB_RADIUS = .*?\$DB_RADIUS = \"$DB_RADIUS\"\;?g" $DIR_ACC/phpsysinfo/includes/xml/portail.php
        $SED "s?\$DB_USER = .*?\$DB_USER = \"$DB_USER\"\;?g" $DIR_ACC/phpsysinfo/includes/xml/portail.php
        $SED "s?\$radiuspwd = .*?\$radiuspwd = \"$radiuspwd\"\;?g" $DIR_ACC/phpsysinfo/includes/xml/portail.php
        chmod 640 $DIR_ACC/phpsysinfo/includes/xml/portail.php
        chown -R apache:apache $DIR_WEB/*
        for i in system_backup base logs/firewall logs/httpd logs/security;
        do
                [ -d $DIR_SAVE/$i ] || mkdir -p $DIR_SAVE/$i
        done
        chown -R root:apache $DIR_SAVE
# Configuration et sécurisation php
        [ -e /etc/php.ini.default ] || cp /etc/php.ini /etc/php.ini.default
        timezone=`cat /etc/sysconfig/clock|grep ZONE|cut -d"=" -f2`
        $SED "s?^;date.timezone =.*?date.timezone = $timezone?g" /etc/php.ini
        $SED "s?^upload_max_filesize.*?upload_max_filesize = 100M?g" /etc/php.ini
        $SED "s?^post_max_size.*?post_max_size = 100M?g" /etc/php.ini
        $SED "s?^html_errors.*?html_errors = Off?g" /etc/php.ini
        $SED "s?^expose_php.*?expose_php = Off?g" /etc/php.ini
# Configuration et sécurisation Apache
        rm -rf /var/www/cgi-bin/* /var/www/perl/* /var/www/icons/README* /var/www/error/README*
        [ -e /etc/httpd/conf/httpd.conf.default ] || cp /etc/httpd/conf/httpd.conf /etc/httpd/conf/httpd.conf.default
        $SED "s?^#ServerName.*?ServerName $HOSTNAME.$DOMAIN?g" /etc/httpd/conf/httpd.conf
        $SED "s?^Listen.*?Listen $PRIVATE_IP:80?g" /etc/httpd/conf/httpd.conf
        $SED "s?^ServerTokens.*?ServerTokens Prod?g" /etc/httpd/conf/httpd.conf
        $SED "s?^ServerSignature.*?ServerSignature Off?g" /etc/httpd/conf/httpd.conf
        $SED "s?^#ErrorDocument 404 /missing.html.*?ErrorDocument 404 /index.html?g" /etc/httpd/conf/httpd.conf
        $SED "s?^LoadModule authn_anon_module.*?#LoadModule authn_anon_module modules/mod_authn_anon.so?g" /etc/httpd/conf/httpd.conf
        $SED "s?^LoadModule status_module.*?#LoadModule status_module modules/mod_status.so?g" /etc/httpd/conf/httpd.conf
        $SED "s?^LoadModule autoindex_module.*?#LoadModule autoindex_module modules/mod_autoindex.so?g" /etc/httpd/conf/httpd.conf
        $SED "s?^LoadModule info_module.*?#LoadModule info_module modules/mod_info.so?g" /etc/httpd/conf/httpd.conf
        $SED "s?^LoadModule imagemap_module.*?#LoadModule imagemap_module modules/mod_imagemap.so?g" /etc/httpd/conf/httpd.conf
        $SED "s?^LoadModule rewrite_module.*?#LoadModule rewrite_module modules/mod_rewrite.so?g" /etc/httpd/conf/httpd.conf
        $SED "s?LoadModule speling_module.*?LoadModule speling_module modules/mod_speling.so?g" /etc/httpd/conf/httpd.conf
        [ -e /etc/httpd/conf/conf.d/ssl.conf.default ] || cp /etc/httpd/conf/conf.d/ssl.conf /etc/httpd/conf/conf.d/ssl.conf.default
        $SED "s?^Listen.*?Listen $PRIVATE_IP:443?g" /etc/httpd/conf/conf.d/ssl.conf # Listen only on INTIF
        [ -e /usr/share/httpd/error/include/top.html.default ] || cp /usr/share/httpd/error/include/top.html /usr/share/httpd/error/include/top.html.default
        $SED "s?background-color.*?background-color: #EFEFEF; }?g" /usr/share/httpd/error/include/top.html
        [ -e /usr/share/httpd/error/include/bottom.html.default ] || cp /usr/share/httpd/error/include/bottom.html /usr/share/httpd/error/include/bottom.html.default
        cat <<EOF > /usr/share/httpd/error/include/bottom.html
</body>
</html>
EOF
# Définition du premier compte lié au profil 'admin'
        header_install
        if [ "$mode" = "install" ]
        then
                admin_portal=!
                PTN='^[a-zA-Z0-9-]*$'
                until [[ $(expr $admin_portal : $PTN) -gt 0 ]]
                        do
                        header_install
                        if [ $Lang == "fr" ]
                        then 
                                echo ""
                                echo "Définissez un premier compte d'administration du portail :"
                                echo
                                echo -n "Nom : "
                        else
                                echo ""
                                echo "Define the first account allow to administrate the portal :"
                                echo
                                echo -n "Account : "
                        fi
                        read admin_portal
                        if [ "$admin_portal" == "" ]
                                then
                                admin_portal=!
                        fi
                        done
# Creation of keys file for the admin account ("admin")
                [ -d $DIR_DEST_ETC/digest ] && rm -rf $DIR_DEST_ETC/digest
                mkdir -p $DIR_DEST_ETC/digest
                chmod 755 $DIR_DEST_ETC/digest
                until [ -s $DIR_DEST_ETC/digest/key_admin ]
                        do
                                /usr/bin/htdigest -c $DIR_DEST_ETC/digest/key_admin $HOSTNAME.$DOMAIN $admin_portal
                        done
                $DIR_DEST_SBIN/alcasar-profil.sh --list
        fi
# synchronisation horaire
        ntpd -q -g &
# Sécurisation du centre
        rm -f /etc/httpd/conf/webapps.d/alcasar*
        cat <<EOF > /etc/httpd/conf/webapps.d/alcasar.conf
<Directory $DIR_ACC>
        SSLRequireSSL
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.1
        Allow from $PRIVATE_NETWORK_MASK
#       Allow from AA.BB.CC.DD/32       # Allow from specific @IP
        require valid-user
        AuthType digest
        AuthName $HOSTNAME.$DOMAIN
        BrowserMatch "MSIE" AuthDigestEnableQueryStringHack=On
        AuthUserFile $DIR_DEST_ETC/digest/key_all
        ErrorDocument 404 https://$HOSTNAME.$DOMAIN/
</Directory>
<Directory $DIR_ACC/admin>
        SSLRequireSSL
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.1
        Allow from $PRIVATE_NETWORK_MASK
#       Allow from AA.BB.CC.DD/32       # Allow from specific @IP
        require valid-user
        AuthType digest
        AuthName $HOSTNAME.$DOMAIN
        BrowserMatch "MSIE" AuthDigestEnableQueryStringHack=On
        AuthUserFile $DIR_DEST_ETC/digest/key_admin
        ErrorDocument 404 https://$HOSTNAME.$DOMAIN/
</Directory>
<Directory $DIR_ACC/manager>
        SSLRequireSSL
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.1
        Allow from $PRIVATE_NETWORK_MASK
#       Allow from AA.BB.CC.DD/32       # Allow from specific @IP
        require valid-user
        AuthType digest
        AuthName $HOSTNAME.$DOMAIN
        BrowserMatch "MSIE" AuthDigestEnableQueryStringHack=On
        AuthUserFile $DIR_DEST_ETC/digest/key_manager
        ErrorDocument 404 https://$HOSTNAME.$DOMAIN/
</Directory>
<Directory $DIR_ACC/backup>
        SSLRequireSSL
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.1
        Allow from $PRIVATE_NETWORK_MASK
#       Allow from AA.BB.CC.DD/32       # Allow from specific @IP
        require valid-user
        AuthType digest
        AuthName $HOSTNAME.$DOMAIN
        BrowserMatch "MSIE" AuthDigestEnableQueryStringHack=On
        AuthUserFile $DIR_DEST_ETC/digest/key_backup
        ErrorDocument 404 https://$HOSTNAME.$DOMAIN/
</Directory>
Alias /save/ "$DIR_SAVE/"
<Directory $DIR_SAVE>
        SSLRequireSSL
        Options Indexes
        Order deny,allow
        Deny from all
        Allow from 127.0.0.1
        Allow from $PRIVATE_NETWORK_MASK
#       Allow from AA.BB.CC.DD/32       # Allow from specific @IP
        require valid-user
        AuthType digest
        AuthName $HOSTNAME.$DOMAIN
        AuthUserFile $DIR_DEST_ETC/digest/key_backup
        ErrorDocument 404 https://$HOSTNAME.$DOMAIN/
</Directory>
EOF
# Launch after coova
$SED "s?^After=.*?After=network.target remote-fs.target nss-lookup.target chilli.service?g" /lib/systemd/system/httpd.service
} # End of ACC()

##########################################################################################
##                              Fonction "CA"                                           ##
## - Création d'une Autorité de Certification et du certificat serveur pour apache    ##
##########################################################################################
CA ()
{
        $SED "s?ifcfg-eth.?ifcfg-$INTIF?g" $DIR_DEST_BIN/alcasar-CA.sh
        $DIR_DEST_BIN/alcasar-CA.sh
        FIC_VIRTUAL_SSL=`find /etc/httpd/conf -type f -name *default_ssl_vhost.conf`
        [ -e /etc/httpd/conf/vhosts-ssl.default ]  || cp $FIC_VIRTUAL_SSL /etc/httpd/conf/vhosts-ssl.default
        $SED "s?localhost.crt?alcasar.crt?g" $FIC_VIRTUAL_SSL
        $SED "s?localhost.key?alcasar.key?g" $FIC_VIRTUAL_SSL
        $SED "s?^#SSLCertificateChainFile.*?SSLCertificateChainFile /etc/pki/tls/certs/server-chain.crt?" $FIC_VIRTUAL_SSL
        chown -R root:apache /etc/pki
        chmod -R 750 /etc/pki
} # End CA ()

##########################################################################################
##                      Fonction "init_db"                                              ##
## - Initialisation de la base Mysql                                                    ##
## - Affectation du mot de passe de l'administrateur (root)                             ##
## - Suppression des bases et des utilisateurs superflus                                ##
## - Création de la base 'radius'                                                      ##
## - Installation du schéma de cette base                                              ##
## - Import des tables de comptabilité (mtotacct, totacct) et info_usagers (userinfo)  ##
##       ces table proviennent de 'dialupadmin' (paquetage freeradius-web)              ##
##########################################################################################
init_db ()
{
        rm -rf /var/lib/mysql # to be sure that there is no former installation
        [ -e /etc/my.cnf.default ] || cp /etc/my.cnf /etc/my.cnf.default
        $SED "s?^#bind-address.*?bind-address=127.0.0.1?g" /etc/my.cnf
        $SED "s?^tmpdir.*?tmpdir=/tmp?g" /etc/my.cnf
        systemctl start mysqld.service
        sleep 4
        mysqladmin -u root password $mysqlpwd
        MYSQL="/usr/bin/mysql -uroot -p$mysqlpwd --exec"
# Secure the server
        $MYSQL="DROP DATABASE IF EXISTS test;DROP DATABASE IF EXISTS tmp;"
        $MYSQL="CONNECT mysql;DELETE from user where User='';DELETE FROM user WHERE User='root' AND Host NOT IN ('localhost','127.0.0.1','::1');FLUSH PRIVILEGES;" 
# Create 'radius' database
        $MYSQL="CREATE DATABASE IF NOT EXISTS $DB_RADIUS;GRANT ALL ON $DB_RADIUS.* TO $DB_USER@localhost IDENTIFIED BY '$radiuspwd';FLUSH PRIVILEGES;"
# Add an empty radius database structure
        mysql -u$DB_USER -p$radiuspwd $DB_RADIUS < $DIR_CONF/radiusd-db-vierge.sql
# modify the start script in order to close accounting connexion when the system is comming down or up
        [ -e /lib/systemd/system/mysqld.service.default ] || cp /lib/systemd/system/mysqld.service /lib/systemd/system/mysqld.service.default
        $SED "/ExecStartPost=/a ExecStartPost=[ -e /usr/local/sbin/alcasar-mysql.sh ] && /usr/local/sbin/alcasar-mysql.sh -acct_stop" /lib/systemd/system/mysqld.service
        $SED "/ExecStartPost=/a ExecStop=[ -e /usr/local/sbin/alcasar-mysql.sh ] && /usr/local/sbin/alcasar-mysql.sh -acct_stop" /usr/lib/systemd/system/mysqld.service
        systemctl daemon-reload
} # End init_db ()

##########################################################################
##                      Fonction "param_radius"                         ##
## - Paramètrage des fichiers de configuration FreeRadius              ##
## - Affectation du secret partagé entre coova-chilli et freeradius    ##
## - Modification de fichier de conf pour l'accès à Mysql             ##
##########################################################################
param_radius ()
{
        cp -f $DIR_CONF/radiusd-db-vierge.sql /etc/raddb/
        chown -R radius:radius /etc/raddb
        [ -e /etc/raddb/radiusd.conf.default ] || cp /etc/raddb/radiusd.conf /etc/raddb/radiusd.conf.default
# Set radius.conf parameters
        $SED "s?^[\t ]*#[\t ]*user =.*?user = radius?g" /etc/raddb/radiusd.conf
        $SED "s?^[\t ]*#[\t ]*group =.*?group = radius?g" /etc/raddb/radiusd.conf
        $SED "s?^[\t ]*status_server =.*?status_server = no?g" /etc/raddb/radiusd.conf
# remove the proxy function
        $SED "s?^[\t ]*proxy_requests.*?proxy_requests = no?g" /etc/raddb/radiusd.conf
        $SED "s?^[\t ]*\$INCLUDE proxy.conf.*?#\$INCLUDE proxy.conf?g" /etc/raddb/radiusd.conf
# remove EAP module
        $SED "s?^[\t ]*\$INCLUDE eap.conf.*?#\$INCLUDE eap.conf?g" /etc/raddb/radiusd.conf
# listen on loopback (should be modified later if EAP enabled)
        $SED "s?^[\t ]*ipaddr =.*?ipaddr = 127.0.0.1?g" /etc/raddb/radiusd.conf
# enable the  SQL module (and SQL counter)
        $SED "s?^[\t ]*#[\t ]*\$INCLUDE sql.conf.*?\$INCLUDE sql.conf?g" /etc/raddb/radiusd.conf
        $SED "s?^[\t ]*#[\t ]*\$INCLUDE sql/mysql/counter.conf?\$INCLUDE sql/mysql/counter.conf?g" /etc/raddb/radiusd.conf
        $SED "s?^[\t ]*\$INCLUDE policy.conf?#\$INCLUDE policy.conf?g" /etc/raddb/radiusd.conf
# remvove virtual server and copy our conf file
        rm -f /etc/raddb/sites-enabled/*
        cp $DIR_CONF/radius/alcasar-radius /etc/raddb/sites-available/alcasar
        chown radius:apache /etc/raddb/sites-available/alcasar /etc/raddb/modules/ldap # droits rw pour apache (module ldap)
        chmod 660 /etc/raddb/sites-available/alcasar /etc/raddb/modules/ldap
        chgrp apache /etc/raddb /etc/raddb/sites-available /etc/raddb/modules
        ln -s /etc/raddb/sites-available/alcasar /etc/raddb/sites-enabled/alcasar
# Inutile dans notre fonctionnement mais les liens sont recréés par un update de radius ... donc forcé en tant que fichier à 'vide'
        touch /etc/raddb/sites-enabled/{inner-tunnel,control-socket,default}
# client.conf configuration (127.0.0.1 suffit mais on laisse le deuxième client pour la future gestion de l'EAP)
        [ -e /etc/raddb/clients.conf.default ] || cp -f /etc/raddb/clients.conf /etc/raddb/clients.conf.default
        cat << EOF > /etc/raddb/clients.conf
client 127.0.0.1 {
        secret = $secretradius
        shortname = localhost
}
EOF
# sql.conf modification
        [ -e /etc/raddb/sql.conf.default ] || cp /etc/raddb/sql.conf /etc/raddb/sql.conf.default
        $SED "s?^[\t ]*login =.*?login = \"$DB_USER\"?g" /etc/raddb/sql.conf
        $SED "s?^[\t ]*password =.*?password = \"$radiuspwd\"?g" /etc/raddb/sql.conf
        $SED "s?^[\t ]*radius_db =.*?radius_db = \"$DB_RADIUS\"?g" /etc/raddb/sql.conf
        $SED "s?^[\t ]*sqltrace =.*?sqltrace = no?g" /etc/raddb/sql.conf
# dialup.conf modification (case sensitive for username, check simultaneous use, patch on 'postauth' table, etc.) 
        [ -e /etc/raddb/sql/mysql/dialup.conf.default ] || cp /etc/raddb/sql/mysql/dialup.conf /etc/raddb/sql/mysql/dialup.conf.default
        cp -f $DIR_CONF/radius/dialup.conf /etc/raddb/sql/mysql/dialup.conf
# counter.conf modification (change the Max-All-Session-Time counter)
        [ -e /etc/raddb/sql/mysql/counter.conf.default ] || cp /etc/raddb/sql/mysql/counter.conf /etc/raddb/sql/mysql/counter.conf.default
        cp -f $DIR_CONF/radius/counter.conf /etc/raddb/sql/mysql/counter.conf
        chown -R radius:radius /etc/raddb/sql/mysql/*
# make certain that mysql is up before radius start
        [ -e /lib/systemd/system/radiusd.service.default ] || cp /lib/systemd/system/radiusd.service /lib/systemd/system/radiusd.service.default
        $SED "s?^After=.*?After=syslog.target network.target mysqld.service?g" /lib/systemd/system/radiusd.service
        systemctl daemon-reload
} # End param_radius ()

##########################################################################
##                      Function "param_web_radius"                     ##
## - Import, modification et paramètrage de l'interface "dialupadmin"  ##
## - Création du lien vers la page de changement de mot de passe        ##
##########################################################################
param_web_radius ()
{
# copie de l'interface d'origine dans la structure Alcasar
        [ -d /usr/share/freeradius-web ] && cp -rf /usr/share/freeradius-web/* $DIR_ACC/manager/
        rm -f $DIR_ACC/manager/index.html $DIR_ACC/manager/readme 
        rm -f $DIR_ACC/manager/htdocs/about.html $DIR_ACC/manager/htdocs/index.html $DIR_ACC/manager/htdocs/content.html
# copie des fichiers modifiés
        cp -rf $DIR_INSTALL/web/acc/manager/* $DIR_ACC/manager/
        chown -R apache:apache $DIR_ACC/manager/
# Modification des fichiers de configuration
        [ -e /etc/freeradius-web/admin.conf.default ] || cp /etc/freeradius-web/admin.conf /etc/freeradius-web/admin.conf.default
        $SED "s?^general_domain:.*?general_domain: $DOMAIN?g" /etc/freeradius-web/admin.conf
        $SED "s?^sql_username:.*?sql_username: $DB_USER?g" /etc/freeradius-web/admin.conf
        $SED "s?^sql_password:.*?sql_password: $radiuspwd?g" /etc/freeradius-web/admin.conf
        $SED "s?^sql_debug:.*?sql_debug: false?g" /etc/freeradius-web/admin.conf
        $SED "s?^sql_usergroup_table: .*?sql_usergroup_table: radusergroup?g" /etc/freeradius-web/admin.conf
        $SED "s?^sql_password_attribute:.*?sql_password_attribute: Crypt-Password?g" /etc/freeradius-web/admin.conf
        $SED "s?^general_finger_type.*?# general_finger_type: snmp?g" /etc/freeradius-web/admin.conf
        $SED "s?^general_stats_use_totacct.*?general_stats_use_totacct: yes?g" /etc/freeradius-web/admin.conf
        $SED "s?^general_charset.*?general_charset: utf-8?g" /etc/freeradius-web/admin.conf
        [ -e /etc/freeradius-web/config.php.default ] || cp /etc/freeradius-web/config.php /etc/freeradius-web/config.php.default
        cp -f $DIR_CONF/radius/freeradiusweb-config.php /etc/freeradius-web/config.php
        cat <<EOF > /etc/freeradius-web/naslist.conf
nas1_name: alcasar-$ORGANISME
nas1_model: Portail captif
nas1_ip: $PRIVATE_IP
nas1_port_num: 0
nas1_community: public
EOF
# Modification des attributs visibles lors de la création d'un usager ou d'un groupe
        [ -e /etc/freeradius-web/user_edit.attrs.default ] || mv /etc/freeradius-web/user_edit.attrs /etc/freeradius-web/user_edit.attrs.default
        cp -f $DIR_CONF/radius/user_edit.attrs /etc/freeradius-web/user_edit.attrs
# Ajout du mappage des attributs chillispot
        [ -e /etc/freeradius-web/sql.attrmap.default ] || mv /etc/freeradius-web/sql.attrmap /etc/freeradius-web/sql.attrmap.default
        cp -f $DIR_CONF/radius/sql.attrmap /etc/freeradius-web/sql.attrmap
# Modification des attributs visibles sur les pages des statistiques (suppression NAS_IP et NAS_port)
        [ -e /etc/freeradius-web/sql.attrs.default ] || cp /etc/freeradius-web/sql.attrs /etc/freeradius-web/sql.attrs.default
        $SED "s?^NASIPAddress.*?NASIPAddress\tNas IP Address\tno?g" /etc/freeradius-web/sql.attrs
        $SED "s?^NASPortId.*?NASPortId\tNas Port\tno?g" /etc/freeradius-web/sql.attrs
        chown -R apache:apache /etc/freeradius-web
# Ajout de l'alias vers la page de "changement de mot de passe usager"
        cat <<EOF >> /etc/httpd/conf/webapps.d/alcasar.conf
<Directory $DIR_WEB/pass>
        SSLRequireSSL
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.1
        Allow from $PRIVATE_NETWORK_MASK
        ErrorDocument 404 https://$HOSTNAME.$DOMAIN
</Directory>
EOF
} # End of param_web_radius ()

##################################################################################
##                      Fonction "param_chilli"                                 ##
## - Création du fichier d'initialisation et de configuration de coova-chilli  ##
## - Paramètrage de la page d'authentification (intercept.php)                 ##
##################################################################################
param_chilli ()
{
# chilli unit for systemd
cat << EOF > /lib/systemd/system/chilli.service
#  This file is part of systemd.
#
#  systemd 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.
[Unit]
Description=chilli is a captive portal daemon
After=network.target

[Service]
Type=oneshot
ExecStart=/usr/libexec/chilli start
ExecStop=/usr/libexec/chilli stop
ExecReload=/usr/libexec/chilli reload
PIDFile=/var/run/chilli.pid

[Install]
WantedBy=multi-user.target
EOF
# init file creation
        [ -e /etc/init.d/chilli.default ] || mv /etc/init.d/chilli /etc/init.d/chilli.default
        cat <<EOF > /usr/libexec/chilli
#!/bin/sh
#
# chilli CoovaChilli init
#
# chkconfig: 2345 65 35
# description: CoovaChilli
### BEGIN INIT INFO
# Provides:       chilli
# Required-Start: network 
# Should-Start: 
# Required-Stop:  network
# Should-Stop: 
# Default-Start:  2 3 5
# Default-Stop:
# Description:    CoovaChilli access controller
### END INIT INFO

[ -f /usr/sbin/chilli ] || exit 0
. /etc/init.d/functions
CONFIG=/etc/chilli.conf
pidfile=/var/run/chilli.pid
[ -f \$CONFIG ] || {
    echo "\$CONFIG Not found"
    exit 0
}
RETVAL=0
prog="chilli"
case \$1 in
    start)
        if [ -f \$pidfile ] ; then 
                gprintf "chilli is already running"
        else
                gprintf "Starting \$prog: "
                rm -f /var/run/chilli* # cleaning
                /sbin/modprobe tun >/dev/null 2>&1
                echo 1 > /proc/sys/net/ipv4/ip_forward
                [ -e /dev/net/tun ] || {
                (cd /dev; 
                        mkdir net; 
                        cd net; 
                        mknod tun c 10 200)
                }
                ifconfig $INTIF 0.0.0.0
                daemon /usr/sbin/chilli -c \$CONFIG --pidfile=\$pidfile &
                RETVAL=$?
        fi
        ;;

    reload)
        killall -HUP chilli
        ;;

    restart)
        \$0 stop
        sleep 2
        \$0 start
        ;;
    
    status)
        status chilli
        RETVAL=0
        ;;

    stop)
        if [ -f \$pidfile ] ; then  
                gprintf "Shutting down \$prog: "
                killproc /usr/sbin/chilli
                RETVAL=\$?
                [ \$RETVAL = 0 ] && rm -f $pidfile
        else    
                gprintf "chilli is not running"
        fi
        ;;
    
    *)
        echo "Usage: \$0 {start|stop|restart|reload|status}"
        exit 1
esac
echo
EOF
chmod a+x /usr/libexec/chilli
# conf file creation
        [ -e /etc/chilli.conf.default ] || cp /etc/chilli.conf /etc/chilli.conf.default
        cat <<EOF > /etc/chilli.conf
# coova config for ALCASAR
cmdsocket       /var/run/chilli.sock
unixipc         chilli.$INTIF.ipc
pidfile         /var/run/chilli.$INTIF.pid
net             $PRIVATE_NETWORK_MASK
dhcpif          $INTIF
ethers          $DIR_DEST_ETC/alcasar-ethers
#nodynip
#statip
dynip           $PRIVATE_NETWORK_MASK
domain          $DOMAIN
dns1            $PRIVATE_IP
dns2            $PRIVATE_IP
uamlisten       $PRIVATE_IP
uamport         3990
macauth
macpasswd       password
locationname    $HOSTNAME.$DOMAIN
radiusserver1   127.0.0.1
radiusserver2   127.0.0.1
radiussecret    $secretradius
radiusauthport  1812
radiusacctport  1813
uamserver       https://$HOSTNAME.$DOMAIN/intercept.php
radiusnasid     $HOSTNAME.$DOMAIN
uamsecret       $secretuam
uamallowed      $HOSTNAME,$HOSTNAME.$DOMAIN
coaport         3799
#conup          $DIR_DEST_BIN/alcasar-conup.sh
#condown        $DIR_DEST_BIN/alcasar-condown.sh
include         $DIR_DEST_ETC/alcasar-uamallowed
include         $DIR_DEST_ETC/alcasar-uamdomain
#dhcpgateway
#dhcprelayagent
#dhcpgatewayport
EOF
# create file for DHCP static ip. Reserve the second IP address for INTIF (the first one is for tun0)
        echo "$PRIVATE_MAC $PRIVATE_SECOND_IP" > $DIR_DEST_ETC/alcasar-ethers
# create files for trusted domains and urls
        touch $DIR_DEST_ETC/alcasar-uamallowed $DIR_DEST_ETC/alcasar-uamdomain
        chown root:apache $DIR_DEST_ETC/alcasar-*
        chmod 660 $DIR_DEST_ETC/alcasar-*
# Configuration des fichier WEB d'interception (secret partagé avec coova-chilli)
        $SED "s?^\$uamsecret =.*?\$uamsecret = \"$secretuam\";?g" $DIR_WEB/intercept.php
        $SED "s?^\$userpassword=1.*?\$userpassword=1;?g" $DIR_WEB/intercept.php
# user 'chilli' creation (in order to run conup/off and up/down scripts
        chilli_exist=`grep chilli /etc/passwd|wc -l`
        if [ "$chilli_exist" == "1" ]
        then
              userdel -r chilli 2>/dev/null
        fi
        groupadd -f chilli
        useradd -r -g chilli -s /bin/false -c "system user for coova-chilli" chilli
}  # End of param_chilli ()

##################################################################
##              Fonction "param_dansguardian"                   ##
## - Paramètrage du gestionnaire de contenu Dansguardian       ##
##################################################################
param_dansguardian ()
{
        mkdir /var/dansguardian
        chown dansguardian /var/dansguardian
        $SED "s?^ExecStart=.*?ExecStart=/usr/sbin/dansguardian -c /etc/dansguardian/dansguardian.conf?g" /lib/systemd/system/dansguardian.service
        $SED "s?^After=.*?After=network.target chilli.target?g" /lib/systemd/system/dansguardian.service
        [ -e $DIR_DG/dansguardian.conf.default ] || cp $DIR_DG/dansguardian.conf $DIR_DG/dansguardian.conf.default
# By default the filter is off 
        $SED "s/^reportinglevel =.*/reportinglevel = -1/g" $DIR_DG/dansguardian.conf
# French deny HTML page
        $SED "s?^language =.*?language = french?g" $DIR_DG/dansguardian.conf
# Listen only on LAN side
        $SED "s?^filterip.*?filterip = $PRIVATE_IP?g" $DIR_DG/dansguardian.conf
# DG send its flow to HAVP
        $SED "s?^proxyport.*?proxyport = 8090?g" $DIR_DG/dansguardian.conf
# replace the default deny HTML page
        cp -f $DIR_CONF/template.html /usr/share/dansguardian/languages/ukenglish/
        cp -f $DIR_CONF/template-fr.html /usr/share/dansguardian/languages/french/template.html
# Don't log
        $SED "s?^loglevel =.*?loglevel = 0?g" $DIR_DG/dansguardian.conf
# Run 10 daemons (20 in largest server)
        $SED "s?^minchildren =.*?minchildren = 10?g" $DIR_DG/dansguardian.conf
# on désactive par défaut le controle de contenu des pages html
        $SED "s?^weightedphrasemode =.*?weightedphrasemode = 0?g" $DIR_DG/dansguardian.conf
        cp $DIR_DG/lists/bannedphraselist $DIR_DG/lists/bannedphraselist.default
        $SED "s?^[^#]?#&?g" $DIR_DG/lists/bannedphraselist # (on commente ce qui ne l'est pas)
# on désactive par défaut le contrôle d'URL par expressions régulières
        cp $DIR_DG/lists/bannedregexpurllist $DIR_DG/lists/bannedregexpurllist.default
        $SED "s?^[^#]?#&?g" $DIR_DG/lists/bannedregexpurllist # (on commente ce qui ne l'est pas)
# on désactive par défaut le contrôle de téléchargement de fichiers
        [ -e $DIR_DG/dansguardianf1.conf.default ] || cp $DIR_DG/dansguardianf1.conf $DIR_DG/dansguardianf1.conf.default
        $SED "s?^blockdownloads =.*?blockdownloads = off?g" $DIR_DG/dansguardianf1.conf
        [ -e $DIR_DG/lists/bannedextensionlist.default ] || mv $DIR_DG/lists/bannedextensionlist $DIR_DG/lists/bannedextensionlist.default
        [ -e $DIR_DG/lists/bannedmimetypelist.default ] || mv $DIR_DG/lists/bannedmimetypelist $DIR_DG/lists/bannedmimetypelist.default
        touch $DIR_DG/lists/bannedextensionlist
        touch $DIR_DG/lists/bannedmimetypelist
# 'Safesearch' regex actualisation
        $SED "s?images?search?g" $DIR_DG/lists/urlregexplist
# empty LAN IP list that won't be WEB filtered
        [ -e $DIR_DG/lists/exceptioniplist.default ] || mv $DIR_DG/lists/exceptioniplist $DIR_DG/lists/exceptioniplist.default
        touch $DIR_DG/lists/exceptioniplist
# Keep a copy of URL & domain filter configuration files
        [ -e $DIR_DG/lists/bannedsitelist.default ] || mv $DIR_DG/lists/bannedsitelist $DIR_DG/lists/bannedsitelist.default
        [ -e $DIR_DG/lists/bannedurllist.default ] || mv $DIR_DG/lists/bannedurllist $DIR_DG/lists/bannedurllist.default
} # End of param_dansguardian ()

##################################################################
##                      Fonction "antivirus"                    ##
## - configuration of havp, libclamav and freshclam             ##
##################################################################
antivirus ()            
{
# create 'havp' user
        havp_exist=`grep havp /etc/passwd|wc -l`
        if [ "$havp_exist" == "1" ]
        then
              userdel -r havp 2>/dev/null
              groupdel havp 2>/dev/null
        fi
        groupadd -f havp
        useradd -r -g havp -s /bin/false -c "system user for havp" havp
        mkdir -p /var/tmp/havp /var/log/havp /var/run/havp
        chown -R havp /var/tmp/havp /var/log/havp /var/run/havp
        [ -e /etc/havp/havp.config.default ] || cp /etc/havp/havp.config /etc/havp/havp.config.default
        $SED "/^REMOVETHISLINE/d" /etc/havp/havp.config
        $SED "s?^# PORT.*?PORT 8090?g" /etc/havp/havp.config                            # datas come on 8090                    
        $SED "s?^# BIND_ADDRESS.*?BIND_ADDRESS 127.0.0.1?g" /etc/havp/havp.config       # we listen only on loopback
        $SED "s?^# TIMEFORMAT.*?TIMEFORMAT %Y %b %d %H:%M:%S?g" /etc/havp/havp.config   # Log format
        $SED "s?^ENABLECLAMLIB.*?ENABLECLAMLIB true?g" /etc/havp/havp.config            # active libclamav AV
        $SED "s?^# LOG_OKS.*?LOG_OKS false?g" /etc/havp/havp.config                     # log only when malware matches
        $SED "s?^# SERVERNUMBER.*?SERVERNUMBER 10?g" /etc/havp/havp.config              # 10 daemons are started simultaneously
        $SED "s?^# SCANIMAGES.*?SCANIMAGES false?g" /etc/havp/havp.config               # doesn't scan image files
        $SED "s?^# SKIPMIME.*?SKIPMIME image\/\* video\/\* audio\/\*?g" /etc/havp/havp.config # doesn't scan some multimedia files
# skip checking of youtube flow (too heavy load / risk too low)
        [ -e /etc/havp/whitelist.default ] || cp /etc/havp/whitelist /etc/havp/whitelist.default
        echo "# Whitelist youtube flow" >> /etc/havp/whitelist
        echo "*.youtube.com/*" >> /etc/havp/whitelist
# replacement of init script
        [ -e /etc/init.d/havp.default ] || cp /etc/init.d/havp /etc/init.d/havp.default
        cp -f $DIR_CONF/havp-init /etc/init.d/havp
# replace of the intercept page (template)
        cp -f $DIR_CONF/virus-fr.html /etc/havp/templates/fr/virus.html
        cp -f $DIR_CONF/virus-en.html /etc/havp/templates/en/virus.html
# update virus database every 4 hours (24h/6)
        [ -e /etc/freshclam.conf.default ] || cp /etc/freshclam.conf /etc/freshclam.conf.default
        $SED "s?^Checks.*?Checks 6?g" /etc/freshclam.conf
        $SED "s?^NotifyClamd.*?# NotifyClamd /etc/clamd.conf?g" /etc/freshclam.conf
        $SED "/^DatabaseMirror/i DatabaseMirror db.fr.clamav.net" /etc/freshclam.conf
        $SED "/^DatabaseMirror db.fr.clamav.net/i DatabaseMirror switch.clamav.net" /etc/freshclam.conf
        $SED "s?MaxAttempts.*?MaxAttempts 3?g" /etc/freshclam.conf
# Copy of the main virus database
        rm -f /var/lib/clamav/*.cld # in case of old database scheme
        cp -f $DIR_CONF/clamav-main.cvd /var/lib/clamav/main.cvd
        /usr/bin/freshclam
}

##################################################################################
##                      function "param_ulogd"                                  ##
## - Ulog config for multi-log files                                            ##
##################################################################################
param_ulogd ()
{
# Three instances of ulogd (three different logfiles)
        [ -d /var/log/firewall ] || mkdir -p /var/log/firewall
        nl=1
        for log_type in traceability ssh ext-access
        do
                [ -e /lib/systemd/system/ulogd-$log_type.service ] || cp -f /lib/systemd/system/ulogd.service /lib/systemd/system/ulogd-$log_type.service
                [ -e /var/log/firewall/$log_type.log ] || echo "" > /var/log/firewall/$log_type.log
                cp -f $DIR_CONF/ulogd-sample.conf /etc/ulogd-$log_type.conf
                $SED "s?^nlgroup=.*?nlgroup=$nl?g" /etc/ulogd-$log_type.conf 
                cat << EOF >> /etc/ulogd-$log_type.conf
[LOGEMU]
file="/var/log/firewall/$log_type.log"
sync=1
EOF
                $SED "s?^ExecStart=.*?ExecStart=/usr/sbin/ulogd -d -c /etc/ulogd-$log_type.conf?g" /lib/systemd/system/ulogd-$log_type.service
                nl=`expr $nl + 1`
        done
        chown -R root:apache /var/log/firewall
        chmod 750 /var/log/firewall
        chmod 640 /var/log/firewall/*
}  # End of param_ulogd ()


##########################################################
##              Function "param_nfsen"                  ##
##########################################################
param_nfsen()
{
        tar xvzf ./conf/nfsen/nfsen-1.3.6p1.tar.gz -C /tmp/
# Create a specific user and group
        [ `grep "^www-data:" /etc/group | wc -l` == 1 ] || groupadd www-data
        [ `grep "^nfsen:" /etc/passwd | wc -l` == 1 ] || useradd -r -g nfsen -s /bin/false -c "system user for the grapher nfsen" nfsen
        groupadd -f chilli
# Add PortTracker plugin
        mkdir -p /var/www/nfsen/plugins /var/log/netflow/porttracker /usr/share/nfsen/plugins
        chown -R nfsen:www-data /var/www/nfsen
        chown -R apache:apache /usr/share/nfsen
        cp -f $DIR_CONF/nfsen/PortTracker.pm /tmp/nfsen-1.3.6p1/contrib/PortTracker/
# use of our conf file and init unit
        cp $DIR_CONF/nfsen/nfsen.conf /tmp/nfsen-1.3.6p1/etc/
# Installation of nfsen
        DirTmp=$(pwd)
        cd /tmp/nfsen-1.3.6p1/
        /usr/bin/perl5 install.pl etc/nfsen.conf
        /usr/bin/perl5 install.pl etc/nfsen.conf # to avoid a Perl mistake "Semaphore introuvable"
# Create RRD DB for porttracker (only in it still doesn't exist)
        cp /tmp/nfsen-1.3.6p1/contrib/PortTracker/PortTracker.pm /usr/share/nfsen/plugins/
        cp /tmp/nfsen-1.3.6p1/contrib/PortTracker/PortTracker.php /var/www/nfsen/plugins/
        [ -d /var/log/netflow/porttracker ] || sudo -u apache nftrack -I -d /var/log/netflow/porttracker
        chown -R apache:www-data /var/log/netflow/porttracker/
        chmod -R 775 /var/log/netflow/porttracker
# Apache conf file
        rm -f /etc/httpd/conf/conf.d/nfsen.conf
        cat <<EOF >> /etc/httpd/conf/conf.d/nfsen.conf
Alias /nfsen /var/www/nfsen 
<Directory /var/www/nfsen/> 
DirectoryIndex nfsen.php 
Options -Indexes 
AllowOverride all 
order allow,deny 
allow from all 
AddType application/x-httpd-php .php 
php_flag magic_quotes_gpc on 
php_flag track_vars on 
</Directory>
EOF
# nfsen unit for systemd
cat << EOF > /lib/systemd/system/nfsen.service
#  This file is part of systemd.
#
#  systemd 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 unit launches nfsen (a Netflow grapher).
[Unit]
Description= NfSen init script
After=network.target iptables.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/nfsen start 
ExecStop=/usr/bin/nfsen stop
ExecRestart=/usr/bin/nfsen restart
TimeoutSec=0

[Install]
WantedBy=multi-user.target
EOF
# Add the listen port to collect netflow packet (nfcapd)
$SED s?'\$ziparg $extensions.*?\$ziparg $extensions -b 127.0.0.1";'?g /usr/libexec/NfSenRC.pm 
# expire delay for the profile "live"
        nfsen -m live -e 62d 2>/dev/null
# clear the installation
        cd $DirTmp
        rm -rf /tmp/nfsen-1.3.6p1/
} # End of param_nfsen

##########################################################
##              Function "param_dnsmasq"                ##
##########################################################
param_dnsmasq ()
{
        [ -d /var/log/dnsmasq ] || mkdir /var/log/dnsmasq
        [ -e /etc/sysconfig/dnsmasq.default ] || cp /etc/sysconfig/dnsmasq /etc/sysconfig/dnsmasq.default
        $SED "s?^DHCP_LEASE=.*?DHCP_LEASE=/var/log/dnsmasq/lease.log?g" /etc/sysconfig/dnsmasq # fichier contenant les baux
# Option : on pré-active les logs DNS des clients
        $SED "s?log-facility?#OPTIONS=\"-q --log-facility=/var/log/dnsmasq/queries.log\"?g"  /etc/sysconfig/dnsmasq
# Option : exemple de paramètre supplémentaire pour le cache memoire
        echo '#OPTIONS="$OPTIONS --cache-size=250"' >> /etc/sysconfig/dnsmasq
# Option : exemple de configuration avec un A.D.
        echo '#OPTIONS="$OPTIONS --server=/your.domain/192.168.182.3"' >> /etc/sysconfig/dnsmasq
        [ -e /etc/dnsmasq.conf.default ] || cp /etc/dnsmasq.conf /etc/dnsmasq.conf.default
# 1st dnsmasq listen on udp 53 ("dnsmasq - forward"). It's used as dhcp server only if bypass is on.
        cat << EOF > /etc/dnsmasq.conf 
# Configuration file for "dnsmasq in forward mode"
conf-file=$DIR_DEST_ETC/alcasar-dns-name        # zone de definition de noms DNS locaux
listen-address=$PRIVATE_IP
listen-address=127.0.0.1
no-dhcp-interface=$INTIF
bind-interfaces
cache-size=256
domain=$DOMAIN
domain-needed
expand-hosts
bogus-priv
filterwin2k
server=$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-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
EOF
# 2nd dnsmasq listen on udp 54 ("dnsmasq with blacklist")
        cat << EOF > /etc/dnsmasq-blacklist.conf 
        # Configuration file for "dnsmasq with blacklist"
# Inclusion de la blacklist <domains> de Toulouse dans la configuration
conf-dir=$DIR_DEST_SHARE/dnsmasq-bl-enabled
conf-file=$DIR_DEST_ETC/alcasar-dns-name        # zone de definition de noms DNS locaux
listen-address=$PRIVATE_IP
port=54
no-dhcp-interface=$INTIF
bind-interfaces
cache-size=256
domain=$DOMAIN
domain-needed
expand-hosts
bogus-priv
filterwin2k
server=$DNS1
server=$DNS2
EOF
# 3rd dnsmasq listen on udp 55 ("dnsmasq with whitelis")
        cat << EOF > /etc/dnsmasq-whitelist.conf 
        # Configuration file for "dnsmasq with whitelist"
# Inclusion de la whitelist <domains> de Toulouse dans la configuration
conf-dir=$DIR_DEST_SHARE/dnsmasq-wl-enabled
conf-file=$DIR_DEST_ETC/alcasar-dns-name        # zone de definition de noms DNS locaux
listen-address=$PRIVATE_IP
port=55
no-dhcp-interface=$INTIF
bind-interfaces
cache-size=256
domain=$DOMAIN
domain-needed
expand-hosts
bogus-priv
filterwin2k
address=/#/$PRIVATE_IP
EOF
# Start after chilli (which create tun0)
        $SED "s?^After=.*?After=syslog.target network.target chilli.service?g" /lib/systemd/system/dnsmasq.service
# Create dnsmasq-blacklist and dnsmasq-whitelist unit
        cp -f /lib/systemd/system/dnsmasq.service /lib/systemd/system/dnsmasq-blacklist.service
        cp -f /lib/systemd/system/dnsmasq.service /lib/systemd/system/dnsmasq-whitelist.service
        $SED "s?^ExecStart=.*?ExecStart=/usr/sbin/dnsmasq -C /etc/dnsmasq-blacklist.conf?g" /lib/systemd/system/dnsmasq-blacklist.service
        $SED "s?^ExecStart=.*?ExecStart=/usr/sbin/dnsmasq -C /etc/dnsmasq-whitelist.conf?g" /lib/systemd/system/dnsmasq-whitelist.service
} # End dnsmasq

##########################################################
##              Fonction "BL"                           ##
##########################################################
BL ()
{
# on copie par défaut la BL de toulouse embarqués dans l'archive d'ALCASAR
        rm -rf $DIR_DG/lists/blacklists
        tar zxf $DIR_CONF/blacklists.tar.gz --directory=$DIR_DG/lists/ > /dev/null 2>&1
# on crée le répertoire ossi (noms de domaine et URLs ajoutés à la BL)
        mkdir $DIR_DG/lists/blacklists/ossi
        touch $DIR_DG/lists/blacklists/ossi/domains $DIR_DG/lists/blacklists/ossi/domains_wl
        touch $DIR_DG/lists/blacklists/ossi/urls $DIR_DG/lists/blacklists/ossi/urls_wl
# On crée les fichiers vides de sites ou d'URL réhabilités
        [ -e $DIR_DG/lists/exceptionsitelist.default ] || mv $DIR_DG/lists/exceptionsitelist $DIR_DG/lists/exceptionsitelist.default
        [ -e $DIR_DG/lists/exceptionurllist.default ] || mv $DIR_DG/lists/exceptionurllist $DIR_DG/lists/exceptionurllist.default
        touch $DIR_DG/lists/exceptionsitelist
        touch $DIR_DG/lists/exceptionurllist
# On crée la configuration de base du filtrage de domaine et d'URL pour Dansguardian
        cat <<EOF > $DIR_DG/lists/bannedurllist
# Dansguardian filter config for ALCASAR
EOF
        cat <<EOF > $DIR_DG/lists/bannedsitelist
# Dansguardian domain filter config for ALCASAR
# block all sites except those in the exceptionsitelist --> liste blanche (désactivée)
#**
# block all SSL and CONNECT tunnels
**s
# block all SSL and CONNECT tunnels specified only as an IP
*ips
# block all sites specified only by an IP
*ip
EOF
# Add Bing and Youtube to the safesearch url regext list (parental control)
        cat <<EOF >> $DIR_DG/lists/urlregexplist
# Bing - add 'adlt=strict'
#"(^http://[0-9a-z]+\.bing\.[a-z]+[-/%.0-9a-z]*\?)(.*)"->"\1\2&adlt=strict"
# Youtube - add 'edufilter=your_ID' 
#"(^http://[0-9a-z]+\.youtube\.[a-z]+[-/%.0-9a-z]*\?)(.*)"->"\1\2&edufilter=ABCD1234567890abcdef"
EOF
# change the the google safesearch ("safe=strict" instead of "safe=vss")
        $SED "s?safe=vss?safe=strict?g" $DIR_DG/lists/urlregexplist
        chown -R dansguardian:apache $DIR_DG
        chmod -R g+rw $DIR_DG
# adapt the BL to ALCASAR architecture. Enable the default categories
        if [ "$mode" != "update" ]; then
                $DIR_DEST_SBIN/alcasar-bl.sh --adapt
                $DIR_DEST_SBIN/alcasar-bl.sh --cat_choice
        fi
}

##########################################################
##              Fonction "cron"                         ##
## - Mise en place des différents fichiers de cron     ##
##########################################################
cron ()
{
# Modif du fichier 'crontab' pour passer les cron à minuit au lieu de 04h00
        [ -e /etc/crontab.default ] || cp /etc/crontab /etc/crontab.default
        cat <<EOF > /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/

# run-parts
01 * * * * root nice -n 19 run-parts --report /etc/cron.hourly
02 0 * * * root nice -n 19 run-parts --report /etc/cron.daily
22 0 * * 0 root nice -n 19 run-parts --report /etc/cron.weekly
42 0 1 * * root nice -n 19 run-parts --report /etc/cron.monthly
EOF
        [ -e /etc/anacrontab.default ] || cp /etc/anacrontab /etc/anacrontab.default
        cat <<EOF >> /etc/anacrontab
7       8       cron.MysqlDump          nice /etc/cron.d/alcasar-mysql
7       10      cron.logExport          nice /etc/cron.d/alcasar-export_log
7       15      cron.logClean           nice /etc/cron.d/alcasar-clean_log
7       20      cron.importClean        nice /etc/cron.d/alcasar-clean_import
EOF

        cat <<EOF > /etc/cron.d/alcasar-mysql
# Contrôle, réparation et export de la base des usagers (tous les lundi à 4h45)
45 4 * * 1 root $DIR_DEST_SBIN/alcasar-mysql.sh --dump
# Nettoyage des utilisateurs dont la date d'expiration du compte est supérieure à 7 jours
40 4 * * * root /usr/local/sbin/alcasar-mysql.sh --expire_user 2>&1 >/dev/null
EOF
        cat <<EOF > /etc/cron.d/alcasar-archive
# Archive des logs et de la base de données (tous les lundi à 5h35)
35 5 * * 1 root $DIR_DEST_BIN/alcasar-archive.sh --now
EOF
        cat << EOF > /etc/cron.d/alcasar-clean_import
# suppression des fichiers de mots de passe lors d'imports massifs par fichier de plus de 24h
30 * * * *  root $DIR_DEST_BIN/alcasar-import-clean.sh
EOF
        cat << EOF > /etc/cron.d/alcasar-distrib-updates
# mise à jour automatique de la distribution tous les jours 3h30
30 3 * * *  root /usr/sbin/urpmi --auto-update --auto 2>&1
EOF
        #cat << EOF > /etc/cron.d/alcasar-netflow
# mise à jour automatique du délais d'expiration des log Nertflow (tous les vendredi à 0h05)
#15 0 * * 1  root $DIR_DEST_BIN/alcasar-netflow.sh
#EOF

# mise à jour des stats de connexion (accounting). Scripts provenant de "dialupadmin" (rpm freeradius-web) (cf. wiki.freeradius.org/Dialup_admin).
# on écrase le crontab d'origine installé par le RPM "freeradius-web" (bug remonté à qa.mandriva.com : 46739).
# 'tot_stats' (tout les jours à 01h01) : aggrégat des connexions journalières par usager (renseigne la table 'totacct') 
# 'monthly_tot_stat' (tous les jours à 01h05) : aggrégat des connexions mensuelles par usager (renseigne la table 'mtotacct')
# 'truncate_raddact' (tous les 1er du mois à 01h10) : supprime les entrées journalisées plus vieilles que '$back_days' jours (défini ci-après)
# 'clean_radacct' (tous les 1er du mois à 01h15) : ferme les session ouvertes de plus de '$back_days' jours (défini ci-après)
        $SED "s?^\$back_days.*?\$back_days = 365;?g" /usr/bin/truncate_radacct
        $SED "s?^\$back_days.*?\$back_days = 30;?g" /usr/bin/clean_radacct
        rm -f /etc/cron.daily/freeradius-web
        rm -f /etc/cron.monthly/freeradius-web
        cat << EOF > /etc/cron.d/freeradius-web
1 1 * * * root /usr/bin/tot_stats > /dev/null 2>&1
5 1 * * * root /usr/bin/monthly_tot_stats > /dev/null 2>&1
10 1 1 * * root /usr/bin/truncate_radacct > /dev/null 2>&1
15 1 1 * * root /usr/bin/clean_radacct > /dev/null 2>&1
EOF
        cat << EOF > /etc/cron.d/alcasar-watchdog
# activation du "chien de garde" (watchdog) toutes les 3'
*/3 * * * * root $DIR_DEST_BIN/alcasar-watchdog.sh > /dev/null 2>&1
EOF
# activation du "chien de garde des services" (watchdog) toutes les 18'
        cat << EOF > /etc/cron.d/alcasar-daemon-watchdog
# activation du "chien de garde" (daemon-watchdog) toutes les 18'
*/18 * * * * root $DIR_DEST_BIN/alcasar-daemon.sh > /dev/null 2>&1
EOF
# suppression des crons usagers
        rm -f /var/spool/cron/*
} # End cron

##################################################################
##                      Fonction "Fail2Ban"                     ##
##- Modification de la configuration de fail2ban                ##
##- Sécurisation DDOS, SSH-Brute-Force, Intercept.php ...      ##
##################################################################
fail2ban()
{
        $DIR_CONF/fail2ban.sh
#Autorise la lecture seule 2 des 3 fichiers de log concernés, havp est traité dans le script d'init de havp
        [ -e /var/log/fail2ban.log ] || touch /var/log/fail2ban.log
        [ -e /var/Save/logs/security/watchdog.log ] || touch /var/Save/logs/security/watchdog.log
        chmod 644 /var/log/fail2ban.log
        chmod 644 /var/Save/logs/security/watchdog.log
} #Fin de fail2ban_install()

##################################################################
##                      Fonction "gammu_smsd"                   ##
## - Creation de la base de donnée Gammu                       ##
## - Creation du fichier de config: gammu_smsd_conf             ##
##                                                              ##
##################################################################
gammu_smsd()
{
# Create 'gammu' databse
MYSQL="/usr/bin/mysql -uroot -p$mysqlpwd --exec"
        $MYSQL="CREATE DATABASE IF NOT EXISTS $DB_GAMMU;GRANT ALL ON $DB_GAMMU.* TO $DB_USER@localhost IDENTIFIED BY '$radiuspwd';FLUSH PRIVILEGES"
# Add a gammu database structure
        mysql -u$DB_USER -p$radiuspwd $DB_GAMMU < $DIR_CONF/gammu-smsd-db-vierge.sql

# config file for the daemon
cat << EOF > /etc/gammu_smsd_conf
[gammu]
port = /dev/ttyUSB0
connection = at115200

;########################################################

[smsd]

PIN = 1234

logfile = /var/log/gammu-smsd/gammu-smsd.log
logformat = textall
debuglevel = 0

service = sql
driver = native_mysql
user = $DB_USER
password = $radiuspwd
pc = localhost
database = $DB_GAMMU

RunOnReceive = /usr/local/bin/alcasar-sms.sh --new_sms

StatusFrequency = 30
LoopSleep = 2

;ResetFrequency = 300
;HardResetFrequency = 120

CheckSecurity = 1 
CheckSignal = 1
CheckBattery = 0
EOF

chmod 755 /etc/gammu_smsd_conf

#Creation dossier de log Gammu-smsd
mkdir /var/log/gammu-smsd
chmod 755 /var/log/gammu-smsd

#Edition du script sql gammu <-> radius
$SED "10c u_db=\"$DB_USER\"" $DIR_DEST_BIN/alcasar-sms.sh
$SED "11c p_db=\"$radiuspwd\"" $DIR_DEST_BIN/alcasar-sms.sh

} # END gammu_smsd()

##################################################################
##                      Fonction "post_install"                 ##
## - Modification des bannières (locales et ssh) et des prompts ##
## - Installation de la structure de chiffrement pour root      ##
## - Mise en place du sudoers et de la sécurité sur les fichiers##
## - Mise en place du la rotation des logs                      ##
## - Configuration dans le cas d'une mise à jour               ##
##################################################################
post_install()
{
# adaptation du script "chien de garde" (watchdog)
        $SED "s?^EXTIF=.*?EXTIF=\"$EXTIF\"?g" $DIR_DEST_BIN/alcasar-watchdog.sh
        $SED "s?^INTIF=.*?INTIF=\"$INTIF\"?g" $DIR_DEST_BIN/alcasar-watchdog.sh
# création de la bannière locale
        [ -e /etc/mageia-release.default ]  || cp /etc/mageia-release /etc/mageia-release.default
        cp -f $DIR_CONF/banner /etc/mageia-release
        echo " V$VERSION" >> /etc/mageia-release
# création de la bannière SSH
        cp /etc/mageia-release /etc/ssh/alcasar-banner-ssh
        chmod 644 /etc/ssh/alcasar-banner-ssh ; chown root:root /etc/ssh/alcasar-banner-ssh
        [ -e /etc/ssh/sshd_config.default ] || cp /etc/ssh/sshd_config /etc/ssh/sshd_config.default
        $SED "s?^Banner.*?Banner /etc/ssh/alcasar-banner-ssh?g" /etc/ssh/sshd_config
        $SED "s?^#Banner.*?Banner /etc/ssh/alcasar-banner-ssh?g" /etc/ssh/sshd_config
# postfix banner anonymisation
        $SED "s?^smtpd_banner =.*?smtpd_banner = $myhostname ESMTP?g" /etc/postfix/main.cf
# sshd écoute côté LAN et WAN
        $SED "s?^#ListenAddress 0\.0\.0\.0?ListenAddress $PRIVATE_IP?g" /etc/ssh/sshd_config
        $SED "/^ListenAddress $PRIVATE_IP/a\ListenAddress $PUBLIC_IP" /etc/ssh/sshd_config 
        # Put the default value in conf file (sshd, QOS and protocols/dns/ are off)(web antivirus is on)
        echo "SSH=off" >> $CONF_FILE
        echo 'SSH_ADMIN_FROM=0.0.0.0/0.0.0.0' >> $CONF_FILE
        echo "QOS=off" >> $CONF_FILE
        echo "LDAP=off" >> $CONF_FILE
        echo "LDAP_IP=0.0.0.0/0.0.0.0" >> $CONF_FILE
        echo "YOUTUBE_ID=ABCD1234567890abcdef" >> $CONF_FILE
        echo "MULTIWAN=off" >> $CONF_FILE
        echo "FAILOVER=30" >> $CONF_FILE
        echo "## WANx=active,@IPx/mask,GWx,Weight,MTUx" >> $CONF_FILE
        echo "#WAN1=\"1,$EXTIF:1,192.168.2.20/24,192.168.2.6,1,1500\"" >> $CONF_FILE
        echo "#WAN2=\"1,$EXTIF:2,192.168.3.20/24,192.168.3.1,2,1500\"" >> $CONF_FILE
# Coloration des prompts
        [ -e /etc/bashrc.default ]  || cp /etc/bashrc /etc/bashrc.default
        cp -f $DIR_CONF/bashrc /etc/. ; chmod 644 /etc/bashrc ; chown root:root /etc/bashrc
        $SED "s?^ORGANISME.*?ORGANISME=$ORGANISME?g" /etc/bashrc
# Droits d'exécution pour utilisateur apache et sysadmin
        [ -e /etc/sudoers.default ]  || cp /etc/sudoers /etc/sudoers.default
        cp -f $DIR_CONF/sudoers /etc/. ; chmod 440 /etc/sudoers ; chown root:root /etc/sudoers
        $SED "s?^Host_Alias.*?Host_Alias        LAN_ORG=$PRIVATE_NETWORK/$PRIVATE_NETMASK,localhost             #réseau de l'organisme?g" /etc/sudoers
# prise en compte de la rotation des logs sur 1 an (concerne mysql, httpd, dansguardian, radiusd, ulogd)
        cp -f $DIR_CONF/logrotate.d/* /etc/logrotate.d/
        chmod 644 /etc/logrotate.d/*
# rectification sur versions précédentes de la compression des logs
        $SED "s?^delaycompress.*?#&?g" /etc/logrotate.conf
# actualisation des fichiers logs compressés
        for dir in firewall dansguardian httpd
        do
              find /var/log/$dir -type f -name *.log-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9] -exec gzip {} \;
        done
# create the alcasar-load_balancing unit
        cat << EOF > /lib/systemd/system/alcasar-load_balancing.service
#  This file is part of systemd.
#
#  systemd 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 unit lauches alcasar-load-balancing.sh script.
[Unit]
Description=alcasar-load_balancing.sh execution
After=network.target iptables.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/local/sbin/alcasar-load_balancing.sh start
ExecStop=/usr/local/sbin/alcasar-load_balancing.sh stop
TimeoutSec=0
SysVStartPriority=99

[Install]
WantedBy=multi-user.target
EOF
# processes launched at boot time (SYSV)
        for i in havp 
        do
                /sbin/chkconfig --add $i
        done
# processes launched at boot time (Systemctl)
        for i in alcasar-load_balancing nfsen mysqld httpd ntpd iptables ulogd dnsmasq dnsmasq-blacklist dnsmasq-whitelist radiusd dansguardian freshclam ulogd-ssh ulogd-traceability ulogd-ext-access chilli
        do
                systemctl -q enable $i
        done
# Apply French Security Agency (ANSSI) rules
# ignore ICMP broadcast (smurf attack)
        echo "net.ipv4.icmp_echo_ignore_broadcasts = 1" > /etc/sysctl.d/alcasar.conf
# ignore ICMP errors bogus
        echo "net.ipv4.icmp_ignore_bogus_error_responses = 1" >> /etc/sysctl.d/alcasar.conf
# remove ICMP redirects responces
        echo "net.ipv4.conf.all.accept_redirects = 0" >> /etc/sysctl.d/alcasar.conf
        echo "net.ipv4.conf.all.send_redirects = 0" >> /etc/sysctl.d/alcasar.conf
# enable SYN Cookies (Syn flood attacks)
        echo "net.ipv4.tcp_syncookies = 1" >> /etc/sysctl.d/alcasar.conf
# enable kernel antispoofing
        echo "net.ipv4.conf.all.rp_filter = 1" >> /etc/sysctl.d/alcasar.conf
# ignore source routing
        echo "net.ipv4.conf.all.accept_source_route = 0" >> /etc/sysctl.d/alcasar.conf
# set conntrack timer to 1h (3600s) instead of 5 weeks
        echo "net.netfilter.nf_conntrack_tcp_timeout_established = 3600" >> /etc/sysctl.d/alcasar.conf
# disable log_martians (ALCASAR is often installed between two private network addresses) 
        echo "net.ipv4.conf.all.log_martians = 0" >> /etc/sysctl.d/alcasar.conf
# remove Magic SysReq Keys
        [ -e /etc/sysctl.d/51-alt-sysrq.conf ] && rm /etc/sysctl.d/51-alt-sysrq.conf
# switch to multi-users runlevel (instead of x11)
        ln -sf /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
#       GRUB modifications
# limit wait time to 3s
# create an alcasar entry instead of linux-nonfb
# change display to 1024*768 (vga791)
        $SED "s?^timeout.*?timeout 3?g" /boot/grub/menu.lst
        $SED "s?^title linux?title ALCASAR?g" /boot/grub/menu.lst
        $SED "/^kernel/s/splash quiet //" /boot/grub/menu.lst
        $SED "/^kernel/s/vga=.*/vga=791 nomodeset/" /boot/grub/menu.lst
        $SED "/^kernel/s/BOOT_IMAGE=linux /BOOT_IMAGE=linux-nonfb /" /boot/grub/menu.lst
        $SED "/^gfxmenu/d" /boot/grub/menu.lst
# Remove unused services and users
        for svc in sshd.service
        do
                /bin/systemctl -q disable $svc
        done
#       for rm_users in games
#       do
#               user=`cat /etc/passwd|grep $rm_users|cut -d":" -f1`
#               if [ "$user" == "$rm_users" ]
#               then
#                       /usr/sbin/userdel -r $rm_users
#               fi
#       done
# Load and apply the previous conf file
        if [ "$mode" = "update" ]
        then
                $DIR_DEST_BIN/alcasar-archive.sh --now # exports current logs in /var/Save/logs
                $DIR_DEST_BIN/alcasar-conf.sh --load
                PARENT_SCRIPT=`basename $0`
                export PARENT_SCRIPT # to avoid stop&start process during the installation process
                $DIR_DEST_BIN/alcasar-conf.sh --apply
                $SED "s?^INSTALL_DATE=.*?INSTALL_DATE=$DATE?g" $CONF_FILE
                $SED "s?^VERSION=.*?VERSION=$VERSION?g" $CONF_FILE
                if [ $MAJ_PREVIOUS_VERSION -lt 2 ] || ([ $MAJ_PREVIOUS_VERSION -eq 2 ] && [ $MIN_PREVIOUS_VERSION -lt 8 ])
                # update needed for versions previous then 2.8 due to the integration of the domainname ("localdomain" by default)
                then
                        header_install
                        if [ $Lang == "fr" ]
                        then 
                                echo "Cette mise à jour nécessite de redéfinir le premier compte d'administration du portail"
                                echo
                                echo -n "Nom : "
                        else
                                echo "This update need to redefine the first admin account"
                                echo
                                echo -n "Account : "
                        fi
                        read admin_portal
                        [ -d $DIR_DEST_ETC/digest ] && rm -rf $DIR_DEST_ETC/digest
                        mkdir -p $DIR_DEST_ETC/digest
                        chmod 755 $DIR_DEST_ETC/digest
                        until [ -s $DIR_DEST_ETC/digest/key_admin ]
                        do
                                /usr/bin/htdigest -c $DIR_DEST_ETC/digest/key_admin $HOSTNAME.$DOMAIN $admin_portal
                        done
                        $DIR_DEST_SBIN/alcasar-profil.sh --list
                fi
        fi
        rm -f /tmp/alcasar-conf*
        chown -R root:apache $DIR_DEST_ETC/*
        chmod -R 660 $DIR_DEST_ETC/*
        chmod ug+x $DIR_DEST_ETC/digest
# Apply and save the firewall rules
        sh $DIR_DEST_BIN/alcasar-iptables.sh
        sleep 2
        cd $DIR_INSTALL
        echo ""
        echo "#############################################################################"
        if [ $Lang == "fr" ]
                then
                echo "#                        Fin d'installation d'ALCASAR                       #"
                echo "#                                                                           #"
                echo "#         Application Libre pour le Contrôle Authentifié et Sécurisé        #"
                echo "#                     des Accès au Réseau ( ALCASAR )                       #"
                echo "#                                                                           #"
                echo "#############################################################################"
                echo
                echo "- ALCASAR sera fonctionnel après redémarrage du système"
                echo
                echo "- Lisez attentivement la documentation d'exploitation"
                echo
                echo "- Le centre de controle d'ALCASAR (ACC) est à l'adresse http://alcasar"
                echo
                echo "                   Appuyez sur 'Entrée' pour continuer"
        else    
                echo "#                        Enf of ALCASAR install process                     #"
                echo "#                                                                           #"
                echo "#         Application Libre pour le Contrôle Authentifié et Sécurisé        #"
                echo "#                     des Accès au Réseau ( ALCASAR )                       #"
                echo "#                                                                           #"
                echo "#############################################################################"
                echo
                echo "- The system will be rebooted in order to operate ALCASAR"
                echo
                echo "- Read the exploitation documentation"
                echo
                echo "- The ALCASAR Control Center (ACC) is at http://alcasar"
                echo
                echo "                   Hit 'Enter' to continue"
        fi
        sleep 2
        if [ "$mode" != "update" ]
        then
                read a
        fi
        clear
        reboot
} # End post_install ()

#################################
#       Main Install loop       #
#################################
dir_exec=`dirname "$0"`
if [ $dir_exec != "." ]
then
        echo "Lancez ce programme depuis le répertoire de l'archive d'ALCASAR"
        echo "Launch this program from the ALCASAR archive directory"
        exit 0
fi
VERSION=`cat $DIR_INSTALL/VERSION`
usage="Usage: alcasar.sh {-i or --install} | {-u or --uninstall}"
nb_args=$#
args=$1
if [ $nb_args -eq 0 ]
then
        nb_args=1
        args="-h"
fi
chmod -R u+x $DIR_SCRIPTS/*
case $args in
        -\? | -h* | --h*)
                echo "$usage"
                exit 0
                ;;
        -i | --install)
                license
                header_install
                testing
# RPMs install
                $DIR_SCRIPTS/alcasar-urpmi.sh
                if [ "$?" != "0" ]
                then
                        exit 0
                fi
                if [ -e $CONF_FILE ]
                then
# Uninstall the running version
                        $DIR_SCRIPTS/sbin/alcasar-uninstall.sh
                fi
# Test if manual update 
                if [ -e /tmp/alcasar-conf*.tar.gz ] && [ "$mode" == "install" ]
                then
                        header_install
                        if [ $Lang == "fr" ]
                                then echo "Le fichier de configuration d'une ancienne version a été trouvé";
                                else echo "The configuration file of an old version has been found";
                        fi
                        response=0
                        PTN='^[oOnNyY]$'
                        until [[ $(expr $response : $PTN) -gt 0 ]]
                        do
                                if [ $Lang == "fr" ]
                                        then echo -n "Voulez-vous l'utiliser (O/n)? ";
                                        else echo -n "Do you want to use it (Y/n)?";
                                 fi
                                read response
                                if [ "$response" = "n" ] || [ "$response" = "N" ] 
                                then rm -f /tmp/alcasar-conf*
                                fi
                        done
                fi
# Test if update
                if [ -e /tmp/alcasar-conf* ] 
                then
                        if [ $Lang == "fr" ]
                                then echo "#### Installation avec mise à jour ####";
                                else echo "#### Installation with update     ####";
                        fi
# Extract the central configuration file
                        tar -xf /tmp/alcasar-conf* conf/etc/alcasar.conf 
                        ORGANISME=`grep ORGANISM conf/etc/alcasar.conf|cut -d"=" -f2`
                        PREVIOUS_VERSION=`grep VERSION conf/etc/alcasar.conf|cut -d"=" -f2`
                        MAJ_PREVIOUS_VERSION=`echo $PREVIOUS_VERSION|cut -d"." -f1`
                        MIN_PREVIOUS_VERSION=`echo $PREVIOUS_VERSION|cut -d"." -f2|cut -c1`
                        UPD_PREVIOUS_VERSION=`echo $PREVIOUS_VERSION|cut -d"." -f3`
                        mode="update"
                fi
                for func in init network ACC CA init_db param_radius param_web_radius param_chilli param_dansguardian antivirus param_ulogd param_nfsen param_dnsmasq BL cron fail2ban gammu_smsd post_install
                do
                        $func
# echo "*** 'debug' : end of function $func ***"; read a
                done
                ;;
        -u | --uninstall)
                if [ ! -e $DIR_DEST_SBIN/alcasar-uninstall.sh ]
                then
                        if [ $Lang == "fr" ]
                                then echo "ALCASAR n'est pas installé!";
                                else echo "ALCASAR isn't installed!";
                        fi
                        exit 0
                fi
                response=0
                PTN='^[oOnN]$'
                until [[ $(expr $response : $PTN) -gt 0 ]]
                do
                        if [ $Lang == "fr" ]
                                then echo -n "Voulez-vous créer le fichier de configuration de la version actuelle (0/n)? ";
                                else echo -n "Do you want to create the running version configuration file (Y/n)? ";
                        fi
                        read response
                done
                if [ "$response" = "o" ] || [ "$response" = "O" ] || [ "$response" = "Y" ] || [ "$response" = "y" ]
                then
                        $DIR_SCRIPTS/alcasar-conf.sh --create
                else    
                        rm -f /tmp/alcasar-conf*
                fi
# Uninstall the running version
                $DIR_SCRIPTS/sbin/alcasar-uninstall.sh
                ;;
        *)
                echo "Argument inconnu :$1";
                echo "Unknown argument :$1";
                echo "$usage"
                exit 1
                ;;
esac
# end of script