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#/bin/bash
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# $Id: alcasar-conf.sh 1583 2015-03-05 08:39:04Z richard $
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# alcasar-conf.sh
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# by REXY
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# This script is distributed under the Gnu General Public License (GPL)
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8
# Ce script permet la mise à jour ALCASAR 
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#	- création de l'archive des fichiers de configuration (/tmp/alcasar-conf.tar.gz)
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#	- chargement d'une archive (lors de la mise à jour d'un alcasar)
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#	- application des directives du fichier de conf central "/usr/local/etc/alcasar.conf" (lors d'un changement de conf à chaud) 
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# This script allows ALCASAR update 
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#	- create the configuration files backup (/tmp/alcasar-conf.tar.gz)
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#	- load the bachup of configuration files (during the update process)
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#	- apply ALCASAR central configuration file "/usr/local/etc/alcasar.conf" (when hot modification are needed)
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new="$(date +%G%m%d-%Hh%M)"  			# date et heure des fichiers
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fichier="alcasar-conf-$new.tar.gz"		# nom du fichier de sauvegarde
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DIR_UPDATE="/tmp/conf"				# répertoire de stockage des fichier de conf pour une mise à jour
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DIR_WEB="/var/www/html"				# répertoire du centre de gestion
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DIR_BIN="/usr/local/bin"			# répertoire des scripts d'admin
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DIR_SBIN="/usr/local/sbin"			# répertoire des scripts d'admin
23
DIR_ETC="/usr/local/etc"			# répertoire des fichiers de conf
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CONF_FILE="$DIR_ETC/alcasar.conf"		# main alcasar conf file
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VERSION="/var/www/html/VERSION"			# contient la version en cours
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EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2`	# EXTernal InterFace
27
INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2`	# INTernal InterFace
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HOSTNAME="alcasar"
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DB_USER="radius"
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radiuspwd=""
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SED="/bin/sed -i"
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RUNNING_VERSION=`cat $VERSION|cut -d" " -f1`
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MAJ_RUNNING_VERSION=`echo $RUNNING_VERSION|cut -d"." -f1`
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MIN_RUNNING_VERSION=`echo $RUNNING_VERSION|cut -d"." -f2|cut -c1`
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UPD_RUNNING_VERSION=`echo $RUNNING_VERSION|cut -d"." -f3`
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DOMAIN=`grep DOMAIN $CONF_FILE|cut -d"=" -f2` 2>/dev/null
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DOMAIN=${DOMAIN:=localdomain}
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DATE=`date '+%d %B %Y - %Hh%M'`
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private_network_calc ()
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{
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	PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP $PRIVATE_NETMASK |cut -d"=" -f2`				# prefixe du réseau (ex. 24)
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	PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP $PRIVATE_NETMASK| cut -d"=" -f2`				# @ réseau de consultation (ex.: 192.168.182.0)
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	PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX							# @ + masque du réseau de consult (192.168.182.0/24)
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	classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2`		# classes de réseau (ex.: 2=classe B, 3=classe C)
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	PRIVATE_NETWORK_SHORT=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`.					# @ compatible hosts.allow et hosts.deny (ex.: 192.168.182.)
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	PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2`				# private network broadcast (ie.: 192.168.182.255)
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	private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup`				# last octet of LAN address
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	private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`				# last octet of LAN broadcast
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	PRIVATE_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 1`		# First network address (ex.: 192.168.182.1)
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	PRIVATE_SECOND_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 2`	# second network address (ex.: 192.168.182.2)
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	PRIVATE_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`	# last network address (ex.: 192.168.182.254)
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	PRIVATE_MAC=`/sbin/ip link show $INTIF | grep ether | cut -d" " -f6| sed 's/:/-/g'| awk '{print toupper($0)}'`	# MAC address of INTIF
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}
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usage="Usage: alcasar-conf.sh {--create or -create} | {--load or -load} | {--apply or -apply}"
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nb_args=$#
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args=$1
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if [ $nb_args -eq 0 ]
59
then
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	nb_args=1
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	args="-h"
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fi
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case $args in
64
	-\? | -h* | --h*)
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		echo "$usage"
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		exit 0
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		;;
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	--create|-create)	
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		[ -d $DIR_UPDATE ] && rm -rf $DIR_UPDATE
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		mkdir $DIR_UPDATE
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# Sauvegarde de la base des usagers
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		$DIR_SBIN/alcasar-mysql.sh -dump
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		cp /var/Save/base/`ls /var/Save/base|tail -1` $DIR_UPDATE
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# Sauvegarde du logo
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		cp -f $DIR_WEB/images/organisme.png $DIR_UPDATE
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# Sauvegarde des fichiers exploités par dansguardian 
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		cp -f /etc/dansguardian/lists/exceptioniplist $DIR_UPDATE
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		cp -f /etc/dansguardian/lists/urlregexplist $DIR_UPDATE
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		cp -f /etc/dansguardian/lists/exceptionsitelist $DIR_UPDATE
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		cp -f /etc/dansguardian/lists/bannedsitelist $DIR_UPDATE
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		cp -f /etc/dansguardian/lists/exceptionurllist $DIR_UPDATE
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		cp -f /etc/dansguardian/lists/bannedurllist $DIR_UPDATE
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		cp -rf /etc/dansguardian/lists/blacklists/ossi $DIR_UPDATE
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# sauvegarde des fichiers : de conf, de filtrage, d'exception, digest, etc.
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		mkdir $DIR_UPDATE/etc/
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		cp -rf $DIR_ETC/* $DIR_UPDATE/etc/
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# sauvegarde des certificats (serveur et CA)
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		cert_date=`/usr/bin/openssl x509 -noout -in /etc/pki/tls/certs/alcasar.crt -dates|grep After|cut -d"=" -f2`
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		cp -f /etc/pki/tls/certs/alcasar.crt $DIR_UPDATE
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		cp -f /etc/pki/tls/private/alcasar.key $DIR_UPDATE
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		cp -f /etc/pki/CA/alcasar-ca.crt $DIR_UPDATE
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		cp -f /etc/pki/CA/private/alcasar-ca.key $DIR_UPDATE
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		if [ -e /etc/pki/tls/certs/server-chain.crt ]; then
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			cp -f /etc/pki/tls/certs/server-chain.crt $DIR_UPDATE
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		else
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			cp -f /etc/pki/tls/certs/alcasar.crt $DIR_UPDATE/server-chain.crt
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		fi
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# DNSMASQ conf file
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	 	cp /etc/sysconfig/dnsmasq $DIR_UPDATE
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# ALCASAR conf file
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		cp $CONF_FILE $DIR_UPDATE/etc/
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# création de l'archive et copie dans le répertoire WEB associé
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		cd /tmp
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		tar -cf alcasar-conf.tar conf/
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		gzip -f alcasar-conf.tar
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		rm -rf $DIR_UPDATE
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		;;
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	--load|-load)
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		cd /tmp
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		tar -xf /tmp/alcasar-conf*.tar.gz
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# Retrieve the logo
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		[ -e $DIR_UPDATE/organisme.png ] && cp -f $DIR_UPDATE/organisme.png $DIR_WEB/images/
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		chown apache:apache $DIR_WEB/images/organisme.png $DIR_WEB/intercept.php
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# Retrieve the security certificates (CA and server)
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		[ -e $DIR_UPDATE/alcasar-ca.crt ] && cp -f $DIR_UPDATE/alcasar-ca.crt /etc/pki/CA/
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		[ -e $DIR_UPDATE/alcasar-ca.key ] && cp -f $DIR_UPDATE/alcasar-ca.key /etc/pki/CA/private/
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		[ -e $DIR_UPDATE/alcasar.crt ] && cp -f $DIR_UPDATE/alcasar.crt /etc/pki/tls/certs/
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		[ -e $DIR_UPDATE/alcasar.key ] && cp -f $DIR_UPDATE/alcasar.key /etc/pki/tls/private/
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		[ -e $DIR_UPDATE/server-chain.crt ] &&	cp -f $DIR_UPDATE/server-chain.crt /etc/pki/tls/certs/
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		chown -R root:apache /etc/pki
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		chmod -R 750 /etc/pki
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# Import of the users database
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		mysql -u$DB_USER -p$radiuspwd < `ls $DIR_UPDATE/radius*`
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# Retrieve local parameters & Remove blacklist files (now in /usr/local/share)
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		[ -d $DIR_UPDATE/etc ] && rm -rf $DIR_UPDATE/etc/alcasar-dnsfilter* && cp -rf $DIR_UPDATE/etc/* $DIR_ETC/
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# Retrieve Dansguardian files
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		[ -e $DIR_UPDATE/exceptioniplist ] && cp -f $DIR_UPDATE/exceptioniplist /etc/dansguardian/lists/
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		[ -e $DIR_UPDATE/exceptionsitelist ] && cp -f $DIR_UPDATE/exceptionsitelist /etc/dansguardian/lists/
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		[ -e $DIR_UPDATE/urlregexplist ] && cp -f $DIR_UPDATE/urlregexplist /etc/dansguardian/lists/
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		[ -e $DIR_UPDATE/bannedsitelist ] && cp -f $DIR_UPDATE/bannedsitelist /etc/dansguardian/lists/ 
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		[ -e $DIR_UPDATE/exceptionurllist ] && cp -f $DIR_UPDATE/exceptionurllist /etc/dansguardian/lists/
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		[ -e $DIR_UPDATE/bannedurllist ] && cp -f $DIR_UPDATE/bannedurllist /etc/dansguardian/lists/
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		[ -d $DIR_UPDATE/ossi ] && cp -rf $DIR_UPDATE/ossi /etc/dansguardian/lists/blacklists/
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		chown -R dansguardian:apache /etc/dansguardian/lists
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		chmod -R g+rw /etc/dansguardian/lists
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# Adapt DNS/URL filtering
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		PARENT_SCRIPT=`basename $0`
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		export PARENT_SCRIPT
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		$DIR_SBIN/alcasar-bl.sh -adapt
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		$DIR_SBIN/alcasar-bl.sh -reload
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# retrieve dnsmasq general config file
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		[ -e $DIR_UPDATE/dnsmasq ] && cp -f $DIR_UPDATE/dnsmasq /etc/sysconfig/dnsmasq \
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		&& chown root.root /etc/sysconfig/dnsmasq \
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		&& chmod 644 /etc/sysconfig/dnsmasq
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# admin profile update (admin + manager + backup)
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		$DIR_SBIN/alcasar-profil.sh --list
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# Start / Stop SSH Daemon
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		ssh_active=`grep SSH= $CONF_FILE|cut -d"=" -f2`
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		if [ $ssh_active = "on" ]
150
		then
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			/usr/bin/systemctl -q enable sshd.service
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		else
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			/usr/bin/systemctl -q disable sshd.service
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		fi
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# Remove the update folder
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		rm -rf $DIR_UPDATE
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		;;
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	--apply|-apply)
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		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"
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		PRIVATE_IP_MASK=`grep ^PRIVATE_IP $CONF_FILE|cut -d"=" -f2`
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		check=$(echo $PRIVATE_IP_MASK | egrep $PTN)
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		if [[ "$?" -ne 0 ]]
163
		then 
164
			echo "Syntax error for PRIVATE_IP_MASK ($PRIVATE_IP_MASK)"
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			exit 0
166
		fi
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		PUBLIC_IP_MASK=`grep ^PUBLIC_IP $CONF_FILE|cut -d"=" -f2`
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		check=$(echo $PUBLIC_IP_MASK | egrep $PTN)
169
		if [[ "$?" -ne 0 ]]
170
		then 
171
			echo "Syntax error for PUBLIC_IP_MASK ($PUBLIC_IP_MASK)"
172
			exit 0
173
		fi
174
		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"
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		PUBLIC_GATEWAY=`grep ^GW $CONF_FILE|cut -d"=" -f2`
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		check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
177
		if [[ "$?" -ne 0 ]]
178
			then 
179
			echo "Syntax error for the Gateway IP ($PUBLIC_GATEWAY)"
180
			exit 0
181
		fi
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		DNS1=`grep ^DNS1 $CONF_FILE|cut -d"=" -f2`
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		check=$(echo $DNS1 | egrep $PTN)
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		if [[ "$?" -ne 0 ]]
185
		then 
186
			echo "Syntax error for the IP address of the first DNS server ($DNS1)"
187
			exit 0
188
		fi
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		DNS2=`grep ^DNS2 $CONF_FILE|cut -d"=" -f2`
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		check=$(echo $DNS2 | egrep $PTN)
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		if [[ "$?" -ne 0 ]]
192
		then 
193
			echo "Syntax error for the IP address of the second DNS server ($DNS2)"
194
			exit 0
195
		fi
632 richard 196
		PUBLIC_IP=`echo $PUBLIC_IP_MASK | cut -d"/" -f1`
197
		PUBLIC_NETMASK=`/bin/ipcalc -m $PUBLIC_IP_MASK | cut -d"=" -f2`
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		PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`
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		PRIVATE_NETMASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2`
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		private_network_calc
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		INSTALL_DATE=`grep INSTALL_DATE $CONF_FILE|cut -d"=" -f2`
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		ORGANISME=`grep ORGANISM $CONF_FILE|cut -d"=" -f2`
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 		DOMAIN=`grep DOMAIN $CONF_FILE|cut -d"=" -f2`
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		DHCP_mode=`grep DHCP= $CONF_FILE|cut -d"=" -f2`
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		if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
933 franck 206
		then
1060 richard 207
			if [ $DHCP_mode = "off" ]
208
			then
209
				$DIR_SBIN/alcasar-dhcp.sh --off
210
			fi
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			$DIR_SBIN/alcasar-logout.sh all
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			echo -n "Stop services : "
1518 richard 213
			for i in ntpd httpd tinyproxy dnsmasq dnsmasq-whitelist dnsmasq-blacklist chilli network 
1060 richard 214
			do
1574 richard 215
				/usr/bin/systemctl stop $i && echo -n "$i, "
1060 richard 216
			done
1521 richard 217
			echo
1060 richard 218
		fi
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220
# /etc/hosts
1583 richard 221
		$SED "/alcasar/s?.*?$PRIVATE_IP\talcasar alcasar.localdomain?g" /etc/hosts
1518 richard 222
# EXTIF config
628 richard 223
		$SED "s?^IPADDR=.*?IPADDR=$PUBLIC_IP?" /etc/sysconfig/network-scripts/ifcfg-$EXTIF
224
		$SED "s?^NETMASK=.*?NETMASK=$PUBLIC_NETMASK?" /etc/sysconfig/network-scripts/ifcfg-$EXTIF
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		$SED "s?^GATEWAY=.*?GATEWAY=$PUBLIC_GATEWAY?" /etc/sysconfig/network-scripts/ifcfg-$EXTIF
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# INTIF config (for bypass mode only)
1554 richard 227
		$SED "s?^IPADDR=.*?IPADDR=$PRIVATE_IP?" /etc/sysconfig/network-scripts/bypass-ifcfg-$INTIF
228
		$SED "s?^NETMASK=.*?NETMASK=$PRIVATE_NETMASK?" /etc/sysconfig/network-scripts/bypass-ifcfg-$INTIF
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# NTP server
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		$SED "/127.0.0.1/!s?^restrict.*?restrict $PRIVATE_NETWORK mask $PRIVATE_NETMASK nomodify notrap?g" /etc/ntp.conf
628 richard 231
# host.allow 
232
		cat <<EOF > /etc/hosts.allow
233
ALL: LOCAL, 127.0.0.1, localhost, $PRIVATE_IP
234
sshd: ALL
235
ntpd: $PRIVATE_NETWORK_SHORT
236
EOF
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# Alcasar Control Center
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		$SED "s?^Listen.*?Listen $PRIVATE_IP:80?g" /etc/httpd/conf/httpd.conf
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		FIC_MOD_SSL=`find /etc/httpd/conf/ -type f -name ssl.conf`
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		$SED "s?^Listen.*?Listen $PRIVATE_IP:443?g" $FIC_MOD_SSL
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		$SED "/127.0.0.1/!s?Allow from .*?Allow from $PRIVATE_NETWORK_MASK?g" /etc/httpd/conf/webapps.d/alcasar.conf
632 richard 242
# Dialup_Admin
634 richard 243
		$SED "s?^nas1_name:.*?nas1_name: alcasar-$ORGANISME?g" /etc/freeradius-web/naslist.conf
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		$SED "s?^nas1_ip:.*?nas1_ip: $PRIVATE_IP?g" /etc/freeradius-web/naslist.conf
632 richard 245
# coova
634 richard 246
		$SED "s?^net.*?net\t\t$PRIVATE_NETWORK_MASK?g" /etc/chilli.conf
247
		$SED "s?^dns1.*?dns1\t\t$PRIVATE_IP?g" /etc/chilli.conf
248
		$SED "s?^dns2.*?dns2\t\t$PRIVATE_IP?g" /etc/chilli.conf
249
		$SED "s?^uamlisten.*?uamlisten\t$PRIVATE_IP?g" /etc/chilli.conf
1581 richard 250
		# modify the DHCP static ip file. Reserve the second IP address for INTIF (the first one is for tun0). Keep previous entries
251
		$SED "s?^$PRIVATE_MAC.*?$PRIVATE_MAC $PRIVATE_SECOND_IP?" $DIR_ETC/alcasar-ethers
632 richard 252
# dnsmasq
1419 richard 253
		$SED "/127.0.0.1/!s?^listen-address=.*?listen-address=$PRIVATE_IP?g" /etc/dnsmasq.conf /etc/dnsmasq-blacklist.conf /etc/dnsmasq-whitelist.conf
1377 richard 254
		for i in /etc/dnsmasq.conf /etc/dnsmasq-blacklist.conf
673 richard 255
		do
256
			$SED "/^server=/d" $i
257
			echo "server=$DNS1" >> $i
258
			echo "server=$DNS2" >> $i
259
		done
1060 richard 260
		$SED "s?^dhcp-range=.*?dhcp-range=$PRIVATE_SECOND_IP,$PRIVATE_LAST_IP,$PRIVATE_NETMASK,12h?g" /etc/dnsmasq.conf
634 richard 261
		$SED "s?^dhcp-option=option:router.*?dhcp-option=option:router,$PRIVATE_IP?g" /etc/dnsmasq.conf
1518 richard 262
# tinyproxy			
263
		$SED "s?^Listen.*?Listen $PRIVATE_IP?g" /etc/tinyproxy/tinyproxy.conf
634 richard 264
# DG + BL
265
		$SED "s?^filterip.*?filterip = $PRIVATE_IP?g" /etc/dansguardian/dansguardian.conf
266
# Watchdog
267
		$SED "s?^PRIVATE_IP=.*?PRIVATE_IP=\"$PRIVATE_IP\"?g" $DIR_BIN/alcasar-watchdog.sh
268
# SSHD
1024 franck 269
		$SED "/^ListenAddress/d" /etc/ssh/sshd_config
270
		$SED "/ListenAddress 0.0.0.0.*/a\ListenAddress $PUBLIC_IP" /etc/ssh/sshd_config
1020 franck 271
		$SED "/ListenAddress $PUBLIC_IP/a\ListenAddress $PRIVATE_IP" /etc/ssh/sshd_config
634 richard 272
# Prompts
273
		$SED "s?^ORGANISME.*?ORGANISME=$ORGANISME?g" /etc/bashrc
274
# sudoers
275
		$SED "s?^Host_Alias.*?Host_Alias	LAN_ORG=$PRIVATE_NETWORK/$PRIVATE_NETMASK,localhost		#réseau de l'organisme?g" /etc/sudoers
1060 richard 276
		if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
277
		then
634 richard 278
# Services start
1574 richard 279
			/usr/bin/systemctl start network && echo -n "Start service : network" && sleep 1
1521 richard 280
			$DIR_SBIN/alcasar-dhcp.sh -$DHCP_mode && echo -n ", coova" # apply DHCP mode and start coova
281
			for i in dnsmasq httpd tinyproxy ntpd 
282
				do
283
					sleep 1
1574 richard 284
					/usr/bin/systemctl start $i && echo -n ", $i"
1521 richard 285
				done
286
			$DIR_SBIN/alcasar-bl.sh -reload && echo ", dnsmasq-blacklist, dnsmasq-whitelist, iptables"
1060 richard 287
		fi
628 richard 288
# Start / Stop SSH Daemon
1065 richard 289
		ssh_active=`grep SSH= $CONF_FILE|cut -d"=" -f2`
634 richard 290
		if [ $ssh_active = "on" ]
291
		then
1574 richard 292
			/usr/bin/systemctl enable sshd.service
1060 richard 293
			if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
294
			then
1574 richard 295
				/usr/bin/systemctl start sshd.service
1060 richard 296
			fi
634 richard 297
		else
1574 richard 298
			/usr/bin/systemctl disable sshd.service
1060 richard 299
			if [ "$PARENT_SCRIPT" != "alcasar.sh" ] # don't launch on install stage
300
			then
1574 richard 301
				/usr/bin/systemctl stop sshd.service
1060 richard 302
			fi
634 richard 303
		fi
628 richard 304
		;;
8 franck 305
	*)
306
		echo "Argument inconnu :$1";
307
		echo "$usage"
308
		exit 1
309
		;;
310
esac
311