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bpfire/src/initscripts/init.d/snort
2009-03-01 09:56:48 +01:00

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#!/bin/sh
########################################################################
# Begin $rc_base/init.d/snort
#
# Description : Snort Initscript
#
# Authors : Michael Tremer for ipfire.org - mitch@ipfire.org
#
# Version : 01.00
#
# Notes :
#
########################################################################
. /etc/sysconfig/rc
. ${rc_functions}
PATH=/usr/local/sbin:/usr/local/bin:/bin:/usr/bin:/sbin:/usr/sbin; export PATH
eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
eval $(/usr/local/bin/readhash /var/ipfire/snort/settings)
if [ "$ENABLE_SNORT_ORANGE" == "on" ]; then
HOME_NET+="$ORANGE_ADDRESS,"
DEVICES+="$ORANGE_DEV "
fi
if [ "$ENABLE_SNORT_GREEN" == "on" ]; then
HOME_NET+="$GREEN_ADDRESS,"
DEVICES+="$GREEN_DEV "
fi
if [ "$ENABLE_SNORT_BLUE" == "on" ]; then
HOME_NET+="$BLUE_ADDRESS,"
DEVICES+="$BLUE_DEV "
fi
if [ "$ENABLE_SNORT" == "on" ]; then
LOCAL_IP=`cat /var/ipfire/red/local-ipaddress`
if [ "$LOCAL_IP" ]; then
HOME_NET+="$LOCAL_IP,"
else
exit 1 ## Add error handling here
fi
DEVICES+=`cat /var/ipfire/red/iface 2>/dev/null`
fi
COUNT=`echo $HOME_NET | wc -m`
HOME_NET=`echo $HOME_NET | cut -c $[$COUNT - 2]`
echo "var HOME_NET [$HOME_NET]" > /etc/snort/vars
echo "var EXTERNAL_NET ANY" >> /etc/snort/vars
DNS1=`cat /var/ipfire/red/dns1 2>/dev/null`
DNS2=`cat /var/ipfire/red/dns2 2>/dev/null`
if [ "$DNS2" ]; then
echo "var DNS_SERVERS [$DNS1,$DNS2]" >> /etc/snort/vars
else
echo "var DNS_SERVERS $DNS1" >> /etc/snort/vars
fi
case "$1" in
start)
for DEVICE in $DEVICES; do
boot_mesg "Starting Intrusion Detection System on $DEVICE..."
/usr/sbin/snort -c /etc/snort/snort.conf -i $DEVICE -D -l /var/log/snort --create-pidfile --nolock-pidfile --pid-path /var/run/
evaluate_retval
chmod 644 /var/run/snort_$DEVICE.pid
done
if [ -r /var/ipfire/guardian/enable ]; then
IFACE=`/bin/cat /var/ipfire/red/iface 2>/dev/null | /usr/bin/tr -d '\012'`
sed -e "s/^Interface.*/Interface ${IFACE}/" /var/ipfire/guardian/guardian.conf > temp
mv temp /var/ipfire/guardian/guardian.conf
chown nobody.root /var/ipfire/guardian/guardian.conf
boot_mesg "Starting Guardian..."
loadproc /usr/local/bin/guardian.pl -c /var/ipfire/guardian/guardian.conf
fi
;;
stop)
DEVICES=""
if [ -r /var/run/snort_$BLUE_DEV.pid ]; then
DEVICES+="$BLUE_DEV "
fi
if [ -r /var/run/snort_$GREEN_DEV.pid ]; then
DEVICES+="$GREEN_DEV "
fi
if [ -r /var/run/snort_$ORANGE_DEV.pid ]; then
DEVICES+="$ORANGE_DEV "
fi
RED=`cat /var/ipfire/red/iface 2>/dev/null`
if [ -r /var/run/snort_$RED.pid ]; then
DEVICES+=`cat /var/ipfire/red/iface 2>/dev/null`
fi
for DEVICE in $DEVICES; do
boot_mesg "Stopping Intrusion Detection System on $DEVICE..."
killproc -p /var/run/snort_$DEVICE.pid /var/run
done
rm /var/run/snort_* >/dev/null 2>/dev/null
if [ -r /var/ipfire/guardian/enable ]; then
boot_mesg "Stopping Guardian..."
killproc /usr/local/bin/guardian.pl
fi
;;
status)
statusproc /usr/sbin/snort
;;
restart)
$0 stop
$0 start
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
;;
esac
chmod 644 /var/log/snort/* 2>/dev/null
# End $rc_base/init.d/snort