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#!/bin/bash
# $Id: alcasar-bypass.sh 2688 2019-01-18 23:15:49Z lucas.echard $

# alcasar-bypass.sh
# by 3abtux and Rexy
# This script is distributed under the Gnu General Public License (GPL)

# activation / d├ęsactivation du contournement de l'authentification et du filtrage WEB
# enable / disable the bypass of authentication process and WEB filtering

usage="Usage: alcasar-bypass.sh {--on or -on } | {--off or -off}"
CONF_FILE="/usr/local/etc/alcasar.conf"
INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2`                           # INTernal InterFace

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
                ;;
        --on | -on)
                /usr/local/bin/alcasar-logout.sh all
                /usr/bin/systemctl stop chilli
                cp -f /etc/sysconfig/network-scripts/bypass-ifcfg-$INTIF /etc/sysconfig/network-scripts/ifcfg-$INTIF
                ifup $INTIF
                sh /usr/local/bin/alcasar-iptables-bypass.sh
                DHCP=`grep ^DHCP= $CONF_FILE|cut -d"=" -f2`
                if [ $DHCP != off ]
                then
                        /usr/bin/systemctl start dhcpd
                fi

                rm -f /etc/cron.d/alcasar-daemon-watchdog # don't restart daemons (specially coova)
                echo "ALCASAR est en mode 'bypass'"
                echo "ALCASAR is in 'bypass' mode"
                ;;
        --off | -off)
                cp -f /etc/sysconfig/network-scripts/default-ifcfg-$INTIF /etc/sysconfig/network-scripts/ifcfg-$INTIF
                ifup $INTIF
                /usr/bin/systemctl stop dhcpd
                /usr/bin/systemctl start chilli
                sh /usr/local/bin/alcasar-iptables.sh
                # activation of the "daemon-watchdog" every 18'
                cat << EOF > /etc/cron.d/alcasar-daemon-watchdog
# activation du "chien de garde" (daemon-watchdog) toutes les 18'
*/18 * * * * root /usr/local/bin/alcasar-daemon.sh > /dev/null 2>&1
EOF
                echo "L'authentification et le filtrage sont actifs"
                echo "Authentication and filtering system are enabled"
;;
        *)
                echo "Argument inconnu :$1";
                echo "$usage"
                exit 1
                ;;
esac