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#!/bin/bash
# $Id: alcasar-conf.sh 2825 2020-05-31 17:01:33Z rexy $

# alcasar-conf.sh
# by REXY
# This script is distributed under the Gnu General Public License (GPL)

# Ce script permet la mise à jour d'un ALCASAR
#       - (alcasar-conf.sh -create) : création de l'archive des fichiers de configuration (/var/tmp/alcasar-conf.tar.gz)
#       - (alcasar-conf.sh -load) : chargement de l'archive des fichiers de configuration. Le cas échéant, c'est ici qu'on met à jour les fichiers entre versions
#       - (alcasar-conf.sh -apply) : application des directives du fichier de conf central "/usr/local/etc/alcasar.conf". Peut aussi être exploité à chaud après avoir changé des valeurs du fichier de conf.
# This script allows ALCASAR update
#       - (alcasar-conf.sh -create) : create the configuration files backup (/var/tmp/alcasar-conf.tar.gz)
#       - (alcasar-conf.sh -load) : load the backup of configuration files. If needed, it's here we update files between versions
#       - (alcasar-conf.sh -load) : apply ALCASAR central configuration file "/usr/local/etc/alcasar.conf". Can be use after changes of conf file values.

DIR_UPDATE="/var/tmp/conf"                              # répertoire de stockage des fichier de conf pour une mise à jour
DIR_WEB="/var/www/html"                                 # répertoire du centre de gestion
DIR_BIN="/usr/local/bin"                                # scripts directory
DIR_ETC="/usr/local/etc"                                # conf directory
DIR_E2G="/etc/e2guardian/lists"                 # Toulouse BL directory
DIR_BLACKLIST="$DIR_E2G/blacklists"             # Toulouse BL directory
CONF_FILE="$DIR_ETC/alcasar.conf"                       # main alcasar conf file
EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2`           # EXTernal InterFace
INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2`           # INTernal InterFace
MTU=`grep ^PUBLIC_MTU= $CONF_FILE|cut -d"=" -f2`
DHCP_mode=`grep ^DHCP= $CONF_FILE|cut -d"=" -f2`
INT_DNS_mode=`grep ^INT_DNS_ACTIVE= $CONF_FILE|cut -d"=" -f2`
LDAP_mode=`grep ^LDAP= $CONF_FILE|cut -d"=" -f2`
HOSTNAME=`grep ^HOSTNAME= $CONF_FILE|cut -d"=" -f2`
DOMAIN=`grep ^DOMAIN= $CONF_FILE|cut -d"=" -f2`
SED="/bin/sed -i"
DNS1=`grep ^DNS1= $CONF_FILE | cut -d'=' -f2`                   # server DNS1 (for WL domain names)
DOMAIN=${DOMAIN:=localdomain}

private_network_calc ()
{
        PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP $PRIVATE_NETMASK |cut -d"=" -f2`                             # prefixe du réseau (ex. 24)
        PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP $PRIVATE_NETMASK| cut -d"=" -f2`                    # @ réseau de consultation (ex.: 192.168.182.0)
        PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX                                                                   # @ + masque du réseau de consult (192.168.182.0/24)
        classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`;                                                    # classes de réseau (ex.: 2=classe B, 3=classe C)
        PRIVATE_NETWORK_SHORT=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`.                                  # @ compatible hosts.allow et hosts.deny (ex.: 192.168.182.)
        PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2`                                # private network broadcast (ie.: 192.168.182.255)
        private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`                    # last octet of LAN broadcast
        private_ip_ending=`echo $PRIVATE_IP | cut -d"." -f4`                                                                    # last octet of LAN address
        PRIVATE_SECOND_IP=`echo $PRIVATE_IP | cut -d"." -f1-3`"."`expr $private_ip_ending + 1`  # 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| sed 's/:/-/g'| awk '{print toupper($0)}'`  # MAC address of INTIF
}

usage="Usage: alcasar-conf.sh {--create or -create} | {--load or -load} | {--apply or -apply}"
nb_args=$#
args=$1
if [ $nb_args -eq 0 ]
then
        nb_args=1
        args="-h"
fi
case $args in
        -\? | -h* | --h*)
                echo "$usage"
                exit 0
                ;;
        --create|-create)
                [ -d $DIR_UPDATE ] && rm -rf $DIR_UPDATE
                mkdir $DIR_UPDATE
# backup the users database  (test to delete in future version)
                $DIR_BIN/alcasar-mysql.sh --dump
                cp /var/Save/base/"$(ls -1t /var/Save/base|head -1)" $DIR_UPDATE
# backup organism logo
                cp -f $DIR_WEB/images/organisme.png $DIR_UPDATE
# backup BL/WL custom files
                mkdir $DIR_UPDATE/custom_bl
                for i in exceptioniplist urlregexplist exceptionsitelist bannedsitelist exceptionurllist bannedurllist
                do
                        if [ -d /etc/dansguardian ]; then
                                cp /etc/dansguardian/lists/$i $DIR_UPDATE/custom_bl/ # before V3.3
                                cp -rf /etc/dansguardian/lists/blacklists/ossi-* $DIR_UPDATE/custom_bl/ 2>/dev/null
                        else
                                cp $DIR_E2G/$i $DIR_UPDATE/custom_bl/ # since V3.3
                                cp -rf $DIR_BLACKLIST/ossi-* $DIR_UPDATE/custom_bl/ 2>/dev/null
                        fi
                done
# backup conf files (main conf file, filtering, digest, etc.)
                mkdir $DIR_UPDATE/etc/
                cp -rf $DIR_ETC/* $DIR_UPDATE/etc/
                cp -f /etc/hosts $DIR_UPDATE/etc/
# backup of the security certificates (server & CA)
                cp -f /etc/pki/tls/certs/alcasar.crt* $DIR_UPDATE
                cp -f /etc/pki/tls/private/alcasar.key* $DIR_UPDATE
                [ -e /etc/pki/tls/private/alcasar.pem ] && cp -f /etc/pki/tls/private/alcasar.pem $DIR_UPDATE # since V3.3
                cp -f /etc/pki/CA/alcasar-ca.crt $DIR_UPDATE
                cp -f /etc/pki/CA/private/alcasar-ca.key $DIR_UPDATE
                if [ -e /etc/pki/tls/certs/server-chain.pem ]; then
                        cp -f /etc/pki/tls/certs/server-chain.pem $DIR_UPDATE # autosigned and official if exist
                else
                        cp -f /etc/pki/tls/certs/alcasar.crt $DIR_UPDATE/server-chain.pem
                fi
# archive file creation
                cd /var/tmp || { echo "Unable to find /var/tmp directory"; }
                tar -cf alcasar-conf.tar conf/
                gzip -f alcasar-conf.tar
                rm -rf $DIR_UPDATE
                ;;

        --load|-load)
                cd /var/tmp || { echo "Unable to find /var/tmp directory"; }
                tar -xf alcasar-conf*.tar.gz
# copy alcasar.conf parameters
                PREVIOUS_VERSION=`grep ^VERSION= $DIR_UPDATE/etc/alcasar.conf|cut -d"=" -f2`
                MAJ_PREVIOUS_VERSION=`echo $PREVIOUS_VERSION|cut -d"." -f1`
                MIN_PREVIOUS_VERSION=`echo $PREVIOUS_VERSION|cut -d"." -f2`
                UPD_PREVIOUS_VERSION=`echo $PREVIOUS_VERSION|cut -d"." -f3|cut -c1`
                for line in `cat $DIR_UPDATE/etc/alcasar.conf | grep "=" | grep -v "^#" | grep -v " "| grep -v "VERSION" |grep -v "INSTALL_DATE"|grep -v "PUBLIC"|grep -v "GW"|grep -v "DNS"|grep -v "SMS"`
                do
                        key=`echo $line | cut -d"=" -f1`
                        key=$key=
                        value=`echo $line|cut -d"=" -f2-`
                        if [ "$value" != "" ]
                                then
                                sed -i "s?^$key.*?$key$value?g" /usr/local/etc/alcasar.conf
                        fi
                done
## lighttpd need a .pem certificate (aggregation with private key & server crt)
                [ ! -f $DIR_UPDATE/alcasar.pem ] && (cat $DIR_UPDATE/alcasar.key; echo; cat $DIR_UPDATE/alcasar.crt) > $DIR_UPDATE/alcasar.pem
# Retrieve organism logo
                [ -e $DIR_UPDATE/organisme.png ] && cp -f $DIR_UPDATE/organisme.png $DIR_WEB/images/
                chown apache:apache $DIR_WEB/images/organisme.png $DIR_WEB/intercept.php
# Retrieve the security certificates (CA and server)
                cp -f $DIR_UPDATE/alcasar-ca.crt /etc/pki/CA/
                cp -f $DIR_UPDATE/alcasar-ca.key /etc/pki/CA/private/
                cp -f $DIR_UPDATE/alcasar.crt /etc/pki/tls/certs/
                cp -f $DIR_UPDATE/alcasar.key /etc/pki/tls/private/
                cp -f $DIR_UPDATE/alcasar.pem /etc/pki/tls/private/
                [ -e $DIR_UPDATE/server-chain.pem ] && cp -f $DIR_UPDATE/server-chain.pem /etc/pki/tls/certs/ # autosigned and official if exist
                chmod 755 /etc/pki/
                chown root:apache /etc/pki/CA; chmod 750 /etc/pki/CA
                chown root:apache /etc/pki/CA/alcasar-ca.crt; chmod 640 /etc/pki/CA/alcasar-ca.crt
                chown root:root /etc/pki/CA/private; chmod 700 /etc/pki/CA/private
                chmod 600 /etc/pki/CA/private/*
                chown -R root:apache /etc/pki/tls/private; chmod 750 /etc/pki/tls/private
                chmod 640 /etc/pki/tls/private/*
                chmod 644 /etc/pki/tls/certs/* # "freshclam" need to access to that bundle
# Import of the users database
                $DIR_BIN/alcasar-mysql.sh --import "$(ls $DIR_UPDATE/alcasar-users-database*)"
# Retrieve local parameters
                [ -d $DIR_UPDATE/etc/digest ] && cp -rf $DIR_UPDATE/etc/digest $DIR_ETC/  # ACC accounts
                [ -e $DIR_UPDATE/etc/alcasar-iptables-local.sh ] && cp -f $DIR_UPDATE/etc/alcasar-iptables-local.sh $DIR_ETC/   # local FW rules
                [ -e $DIR_UPDATE/etc/alcasar-iptables-local-mac-filtered ] && cp -f $DIR_UPDATE/etc/alcasar-iptables-local-mac-filtered $DIR_ETC/   # blocked MAC addresses
                [ -e $DIR_UPDATE/etc/alcasar-uamdomain ] && cp -f $DIR_UPDATE/etc/alcasar-uamdomain $DIR_ETC/ # exception domain names
                [ -e $DIR_UPDATE/etc/alcasar-uamallowed ] && cp -f $DIR_UPDATE/etc/alcasar-uamallowed $DIR_ETC/ # exception IP_addresses or network_IP_addresses
                [ -e $DIR_UPDATE/etc/alcasar-ethers ] && cp -f $DIR_UPDATE/etc/alcasar-ethers $DIR_ETC/ # DHCP static hosts
                [ -e $DIR_UPDATE/etc/alcasar-ethers-info ] && cp -f $DIR_UPDATE/etc/alcasar-ethers-info $DIR_ETC/ # DHCP static hosts information
                [ -e $DIR_UPDATE/etc/hosts ] && cp -f $DIR_UPDATE/etc/hosts /etc/ && $DIR_BIN/alcasar-dns-local.sh -hosts_to_unbound  # local hosts name
# Retrieve BL/WL custom files
                cp -f $DIR_UPDATE/custom_bl/exceptioniplist $DIR_E2G/
                cp -f $DIR_UPDATE/custom_bl/exceptionsitelist $DIR_E2G/
                cp -f $DIR_UPDATE/custom_bl/urlregexplist $DIR_E2G/
                cp -f $DIR_UPDATE/custom_bl/bannedsitelist $DIR_E2G/
                cp -f $DIR_UPDATE/custom_bl/exceptionurllist $DIR_E2G/
                cp -f $DIR_UPDATE/custom_bl/bannedurllist $DIR_E2G/
                cp -rf $DIR_UPDATE/custom_bl/ossi-* $DIR_BLACKLIST/ 2>/dev/null
                chown -R e2guardian:apache $DIR_E2G
                chmod -R g+rw $DIR_E2G
# Adapt DNS/URL filtering
                PARENT_SCRIPT=`basename $0`
                export PARENT_SCRIPT
                $DIR_BIN/alcasar-bl.sh -cat_choice
                $DIR_BIN/alcasar-bl.sh -reload
# admin profile update (admin + manager + backup)
                $DIR_BIN/alcasar-profil.sh --list
# Start / Stop SSH Daemon
                ssh_active=`grep "^SSH=" $CONF_FILE|cut -d"=" -f2`
                if [ $ssh_active = "on" ]
                then
                        /usr/bin/systemctl -q enable sshd.service
                else
                        /usr/bin/systemctl -q disable sshd.service
                fi
# Remove the update folder
                rm -rf $DIR_UPDATE
                ;;

        --apply|-apply)
                PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/([012]?[0-9]|3[0-2])\b"
                PRIVATE_IP_MASK=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
                if ! echo $PRIVATE_IP_MASK | egrep -q $PTN
                then
                        echo "Syntax error for PRIVATE_IP_MASK ($PRIVATE_IP_MASK)"
                        exit 0
                fi
                PUBLIC_IP_MASK=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2`
                PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"
                if [[ "$PUBLIC_IP_MASK" == "dhcp" ]]
                then
                        PUBLIC_GATEWAY="dhcp"
                else
                        if ! echo $PUBLIC_IP_MASK | egrep -q $PTN
                        then
                                echo "Syntax error for PUBLIC_IP_MASK ($PUBLIC_IP_MASK)"
                                exit 0
                        fi
                        PUBLIC_IP=`echo $PUBLIC_IP_MASK | cut -d"/" -f1`
                        PUBLIC_NETMASK=`/bin/ipcalc -m $PUBLIC_IP_MASK | cut -d"=" -f2`
                        PUBLIC_GATEWAY=`grep ^GW= $CONF_FILE|cut -d"=" -f2`
                        if ! echo $PUBLIC_GATEWAY | egrep -q $PTN
                        then
                                echo "Syntax error for the Gateway IP ($PUBLIC_GATEWAY)"
                                exit 0
                        fi
                fi
                DNS1=`grep ^DNS1= $CONF_FILE|cut -d"=" -f2`
                if ! echo $DNS1 | egrep -q $PTN
                then
                        echo "Syntax error for the IP address of the first DNS server ($DNS1)"
                        exit 0
                fi
                DNS2=`grep ^DNS2= $CONF_FILE|cut -d"=" -f2`
                if ! echo $DNS2 | egrep -q $PTN
                then
                        echo "Syntax error for the IP address of the second DNS server ($DNS2)"
                        exit 0
                fi
                PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`
                PRIVATE_NETMASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2`
                private_network_calc
                INSTALL_DATE=`grep ^INSTALL_DATE= $CONF_FILE|cut -d"=" -f2`
                ORGANISME=`grep ^ORGANISM= $CONF_FILE|cut -d"=" -f2-`
                BL_SAFESEARCH=`grep ^BL_SAFESEARCH= $CONF_FILE|cut -d"=" -f2`
                WL_SAFESEARCH=`grep ^WL_SAFESEARCH= $CONF_FILE|cut -d"=" -f2`
                BL_PUREIP=`grep ^BL_PUREIP= $CONF_FILE|cut -d"=" -f2`
                DHCP_mode=`grep ^DHCP= $CONF_FILE|cut -d"=" -f2`
                if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
                then
                        if [ "$DHCP_mode" = "off" ] || [ "$DHCP_mode" = "Off" ] || [ "$DHCP_mode" = "OFF" ]
                        then
                                $DIR_BIN/alcasar-dhcp.sh --off
                        else
                                $DIR_BIN/alcasar-dhcp.sh --on
                        fi
# Set the local DNS (or not)
                        if [ "$INT_DNS_mode" = "on" ] || [ "$INT_DNS_mode" = "On" ] || [ "$INT_DNS_mode" = "ON" ]
                        then
                                $DIR_BIN/alcasar-dns-local.sh --on
                        else
                                $DIR_BIN/alcasar-dns-local.sh --off
                        fi
# Set the pure ip option (or not)
                        if [ "$BL_PUREIP" = "off" ] || [ "$BL_PUREIP" = "Off" ] || [ "$BL_PUREIP" = "OFF" ]
                        then
                                bl_filter_param+="--pureip_off"
                        else
                                bl_filter_param+="--pureip_on"
                        fi
# Set the safesearch options (or not)
                        bl_filter_param=""
                        if [ "$BL_SAFESEARCH" = "on" ] || [ "$BL_SAFESEARCH" = "On" ] || [ "$BL_SAFESEARCH" = "ON" ]
                        then
                                bl_filter_param+="--safesearch_on "
                        else
                                bl_filter_param+="--safesearch_off "
                        fi
                        $DIR_BIN/alcasar-url_filter_bl.sh $bl_filter_param
                        if [ "$WL_SAFESEARCH" = "on" ] || [ "$WL_SAFESEARCH" = "On" ] || [ "$WL_SAFESEARCH" = "ON" ]
                        then
                                $DIR_BIN/alcasar-url_filter_wl.sh --safesearch_on
                        else
                                $DIR_BIN/alcasar-url_filter_wl.sh --safesearch_off
                        fi
# Reload the local dns configuration
                        $DIR_BIN/alcasar-dns-local.sh --reload
# Logout everybody
                        $DIR_BIN/alcasar-logout.sh all
# Services stop
                        echo -n "Stop services : "
                        for i in ntpd tinyproxy e2guardian unbound unbound-whitelist dnsmasq-whitelist unbound-blacklist unbound-blackhole chilli network lighttpd
                        do
                                /usr/bin/systemctl stop $i && echo -n "$i, "
                        done
                        echo
                fi
# EXTIF config
                if [ $PUBLIC_IP_MASK == "dhcp" ]
                then
                        cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$EXTIF
DEVICE=$EXTIF
BOOTPROTO=dhcp
DNS1=127.0.0.1
PEERDNS=no
RESOLV_MODS=yes
ONBOOT=yes
METRIC=10
MII_NOT_SUPPORTED=yes
IPV6INIT=no
IPV6TO4INIT=no
ACCOUNTING=no
USERCTL=no
MTU=$MTU
NOZEROCONF=yes
EOF
                else
                        cat <<EOF > /etc/sysconfig/network-scripts/ifcfg-$EXTIF
DEVICE=$EXTIF
BOOTPROTO=static
IPADDR=$PUBLIC_IP
NETMASK=$PUBLIC_NETMASK
GATEWAY=$PUBLIC_GATEWAY
DNS1=127.0.0.1
RESOLV_MODS=yes
ONBOOT=yes
METRIC=10
MII_NOT_SUPPORTED=yes
IPV6INIT=no
IPV6TO4INIT=no
ACCOUNTING=no
USERCTL=no
MTU=$MTU
NOZEROCONF=yes
EOF
                fi
# INTIF config (for bypass mode only)
                $SED "s?^IPADDR=.*?IPADDR=$PRIVATE_IP?" /etc/sysconfig/network-scripts/bypass-ifcfg-$INTIF
                $SED "s?^NETMASK=.*?NETMASK=$PRIVATE_NETMASK?" /etc/sysconfig/network-scripts/bypass-ifcfg-$INTIF
# NTP server
                $SED "/127.0.0.1/!s?^restrict.*?restrict $PRIVATE_NETWORK mask $PRIVATE_NETMASK nomodify notrap?g" /etc/ntp.conf
# host.allow
                cat <<EOF > /etc/hosts.allow
ALL: LOCAL, 127.0.0.1, localhost, $PRIVATE_IP
sshd: ALL
ntpd: $PRIVATE_NETWORK_SHORT
EOF
# Set hostname
                hostnamectl set-hostname $HOSTNAME.$DOMAIN
# /etc/hosts
                domainNames="$HOSTNAME $HOSTNAME.$DOMAIN"
                [ "$HOSTNAME" != 'alcasar' ] && domainNames="alcasar $domainNames"
                $SED "/^$PRIVATE_IP\t/d"  /etc/hosts
                $SED "/\s$HOSTNAME\s\$/d" /etc/hosts
                [ "$HOSTNAME" != 'alcasar' ] && $SED "/\salcasar\s\$/d" /etc/hosts
                echo "$PRIVATE_IP       $domainNames" >> /etc/hosts
# MOTD
                $SED "s@'https://\(.\+\)/acc'@'https://$HOSTNAME.$DOMAIN/acc'@" /etc/mageia-release
# Lighttpd
                $SED "s?^server\.bind.*?server\.bind = \"$PRIVATE_IP\"?g" /etc/lighttpd/lighttpd.conf
                $SED 's/^$SERVER\["socket"\] == ".*:443.*/$SERVER\["socket"\] == "'"$PRIVATE_IP"':443" {/g' /etc/lighttpd/vhosts.d/alcasar.conf
                $SED "s/^\([\t ]*\)var.server_name.*/\1var.server_name = \"$PRIVATE_IP\"/g" /etc/lighttpd/vhosts.d/alcasar.conf
# FreeRADIUS
                $SED "s?^nas1_name:.*?nas1_name: alcasar-$ORGANISME?g" /etc/freeradius-web/naslist.conf
                $SED "s?^nas1_ip:.*?nas1_ip: $PRIVATE_IP?g" /etc/freeradius-web/naslist.conf
# CoovaChilli
                $SED "s/^uamallowed.*/uamallowed\t$HOSTNAME,$HOSTNAME.$DOMAIN/g" /etc/chilli.conf
                $SED "s/^locationname.*/locationname\t$HOSTNAME.$DOMAIN/g" /etc/chilli.conf
                $SED "s/^domain.*/domain\t\t$DOMAIN/g" /etc/chilli.conf
                [ "`grep ^HTTPS_LOGIN= $CONF_FILE | cut -d'=' -f2`" == "on" ] && chilli_login_protocol="https" || chilli_login_protocol="http"
                $SED "s/^uamserver.*/uamserver\t$chilli_login_protocol:\/\/$HOSTNAME.$DOMAIN\/intercept.php/" /etc/chilli.conf
                $SED "s/^radiusnasid.*/radiusnasid\t$HOSTNAME.$DOMAIN/g" /etc/chilli.conf
                $SED "s?^net.*?net\t\t$PRIVATE_NETWORK_MASK?g" /etc/chilli.conf
                $SED "s?^dns1.*?dns1\t\t$PRIVATE_IP?g" /etc/chilli.conf
                $SED "s?^dns2.*?dns2\t\t$PRIVATE_IP?g" /etc/chilli.conf
                $SED "s?^uamlisten.*?uamlisten\t$PRIVATE_IP?g" /etc/chilli.conf
                # modify the DHCP static ip file. Reserve the second IP address for INTIF (the first one is for tun0). Keep previous entries
                $SED "s?^$PRIVATE_MAC.*?$PRIVATE_MAC $PRIVATE_SECOND_IP?" $DIR_ETC/alcasar-ethers $DIR_ETC/alcasar-ethers-info
# dnsmasq-whitelist
                $SED "/^server=/d" /etc/dnsmasq-whitelist.conf
                echo "server=$DNS1" >> /etc/dnsmasq-whitelist.conf
                echo "server=$DNS2" >> /etc/dnsmasq-whitelist.conf
# unbound
                # removing unbound configuration files
                rm -f /etc/unbound/conf.d/{forward,blacklist,whitelist,blackhole}/iface.*
                rm -f /etc/unbound/conf.d/common/forward-zone.conf
                find /etc/unbound/conf.d/common/local-dns/ ! -name "global.conf" -type f -delete
                # Configuration file for the dns servers forward-zone
                cat << EOF > /etc/unbound/conf.d/common/forward-zone.conf
forward-zone:
        name: "."
        forward-addr: $DNS1
        forward-addr: $DNS2
EOF
                # Configuration file of ALCASAR main domains for $INTIF
                cat << EOF > /etc/unbound/conf.d/common/local-dns/${INTIF}.conf
server:
        local-zone: "$HOSTNAME.$DOMAIN" static
        local-data: "$HOSTNAME.$DOMAIN A $PRIVATE_IP"
        local-zone: "$HOSTNAME" static
        local-data: "$HOSTNAME A $PRIVATE_IP"
EOF
                if [ "$HOSTNAME" != 'alcasar' ]
                then
                        echo -e "\tlocal-zone: \"alcasar\" static" >> /etc/unbound/conf.d/common/local-dns/${INTIF}.conf
                        echo -e "\tlocal-zone: \"alcasar A $PRIVATE_IP\"" >> /etc/unbound/conf.d/common/local-dns/${INTIF}.conf
                        echo -e "\tlocal-zone: \"alcasar\" static" >> /etc/unbound/conf.d/forward/iface.lo.conf
                        echo -e "\tlocal-zone: \"alcasar A 127.0.0.1\"" >> /etc/unbound/conf.d/forward/iface.lo.conf
                fi
                # Configuration file for lo of forward
                cat << EOF > /etc/unbound/conf.d/forward/iface.lo.conf
server:
        interface: 127.0.0.1@53
        access-control-view: 127.0.0.1/8 lo
view:
        name: "lo"
        view-first: yes
        local-zone: "$HOSTNAME.$DOMAIN" static
        local-data: "$HOSTNAME.$DOMAIN A 127.0.0.1"
        local-zone: "$HOSTNAME" static
        local-data: "$HOSTNAME A 127.0.0.1"
        local-zone: "$DOMAIN." static
        local-data: "$DOMAIN. A"
EOF
                # Configuration file for $INTIF of forward
                cat << EOF > /etc/unbound/conf.d/forward/iface.${INTIF}.conf
server:
        interface: ${PRIVATE_IP}@53
        access-control-view: $PRIVATE_NETWORK_MASK $INTIF

view:
        name: "$INTIF"
        view-first: yes
EOF
                # Configuration file for $INTIF of blacklist
                cat << EOF > /etc/unbound/conf.d/blacklist/iface.${INTIF}.conf
server:
        interface: ${PRIVATE_IP}@54
        access-control: $PRIVATE_IP_MASK allow
        access-control-tag: $PRIVATE_IP_MASK "blacklist"
        access-control-tag-action: $PRIVATE_IP_MASK "blacklist" redirect
        access-control-tag-data: $PRIVATE_IP_MASK "blacklist" "A $PRIVATE_IP"
EOF
                # Configuration file for $INTIF of whitelist
                cat << EOF > /etc/unbound/conf.d/whitelist/iface.${INTIF}.conf
server:
        interface: ${PRIVATE_IP}@55
        access-control: $PRIVATE_IP_MASK allow
        access-control-tag: $PRIVATE_IP_MASK "whitelist"
        access-control-tag-action: $PRIVATE_IP_MASK "whitelist" redirect
        access-control-tag-data: $PRIVATE_IP_MASK "whitelist" "A $PRIVATE_IP"
EOF
                # Configuration file for $INTIF of blackhole
                cat << EOF > /etc/unbound/conf.d/blackhole/iface.${INTIF}.conf
server:
        interface: ${PRIVATE_IP}@56
        access-control-view: $PRIVATE_NETWORK_MASK $INTIF
view:
        name: "$INTIF"
        local-zone: "." redirect
        local-data: ". A $PRIVATE_IP"
EOF
# dhcpd
                cat <<EOF > /etc/dhcpd.conf
ddns-update-style none;
subnet $PRIVATE_NETWORK netmask $PRIVATE_NETMASK {
        option routers $PRIVATE_IP;
        option subnet-mask $PRIVATE_NETMASK;
        option domain-name-servers $PRIVATE_IP;
        range dynamic-bootp $PRIVATE_SECOND_IP $PRIVATE_LAST_IP;
        default-lease-time 21600;
        max-lease-time 43200;
}
EOF
# tinyproxy
                $SED "s?^Listen.*?Listen $PRIVATE_IP?g" /etc/tinyproxy/tinyproxy.conf
# DG + BL
                $SED "s?^filterip.*?filterip = $PRIVATE_IP?g" /etc/e2guardian/e2guardian.conf
# Watchdog
                $SED "s?^PRIVATE_IP=.*?PRIVATE_IP=\"$PRIVATE_IP\"?g" $DIR_BIN/alcasar-watchdog.sh
# Prompts
                $SED "s?^ORGANISME.*?ORGANISME=$ORGANISME?g" /etc/bashrc
# sudoers
                $SED "s?^Host_Alias.*?Host_Alias        LAN_ORG=$PRIVATE_NETWORK/$PRIVATE_NETMASK,localhost             #réseau de l'organisme?g" /etc/sudoers
                if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
                then
# Services start
                        /usr/bin/systemctl start network && echo -n "Start service : network" && sleep 1
                        $DIR_BIN/alcasar-dhcp.sh -$DHCP_mode && echo -n ", chilli" # apply DHCP mode and start CoovaChilli
                        for i in unbound unbound-blackhole tinyproxy ntpd
                        do
                                sleep 1
                                /usr/bin/systemctl start $i && echo -n ", $i"
                        done
                        $DIR_BIN/alcasar-bl.sh -reload && echo -n ", unbound-blacklist, unbound-whitelist, dnsmasq-whitelist, e2guardian, iptables"
                        /usr/bin/systemctl restart lighttpd && echo -n ", lighttpd"
                fi
# Start / Stop SSH Daemon
                ssh_active=`grep ^SSH= $CONF_FILE|cut -d"=" -f2`
                if [ $ssh_active = "on" ]
                then
                        /usr/bin/systemctl enable sshd.service
                        if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
                        then
                                /usr/bin/systemctl start sshd.service
                        fi
                else
                        /usr/bin/systemctl disable sshd.service
                        if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
                        then
                                /usr/bin/systemctl stop sshd.service
                        fi
                fi
# Start / Stop LDAP authentification
                if [ $LDAP_mode = "on" ] || [ $LDAP_mode = "On" ] || [ $LDAP_mode = "ON" ]
                then
                        $DIR_BIN/alcasar-ldap.sh --on
                else
                        $DIR_BIN/alcasar-ldap.sh --off
                fi
                echo
                ;;
        *)
                echo "Argument inconnu : $1";
                echo "$usage"
                exit 1
                ;;
esac