Files
bpfire/src/initscripts/init.d/snort
2016-07-29 13:29:13 +02:00

147 lines
4.0 KiB
Bash

#!/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)
ALIASFILE="/var/ipfire/ethernet/aliases"
case "$1" in
start)
if [ "$BLUE_NETADDRESS" ]; then
BLUE_NET="$BLUE_NETADDRESS/$BLUE_NETMASK,"
BLUE_IP="$BLUE_ADDRESS,"
fi
if [ "$ORANGE_NETADDRESS" ]; then
ORANGE_NET="$ORANGE_NETADDRESS/$ORANGE_NETMASK,"
ORANGE_IP="$ORANGE_ADDRESS,"
fi
if [ "$ENABLE_SNORT_ORANGE" == "on" ]; then
DEVICES+="$ORANGE_DEV "
HOMENET+="$ORANGE_IP"
else
HOMENET+="$ORANGE_NET"
fi
if [ "$ENABLE_SNORT_BLUE" == "on" ]; then
DEVICES+="$BLUE_DEV "
HOMENET+="$BLUE_IP"
else
HOMENET+="$BLUE_NET"
fi
if [ "$ENABLE_SNORT_GREEN" == "on" ]; then
DEVICES+="$GREEN_DEV "
HOMENET+="$GREEN_ADDRESS,"
else
HOMENET+="$GREEN_NETADDRESS/$GREEN_NETMASK,"
fi
if [ "$ENABLE_SNORT" == "on" ]; then
DEVICES+=`cat /var/ipfire/red/iface 2>/dev/null`
LOCAL_IP=`cat /var/ipfire/red/local-ipaddress 2>/dev/null`
if [ "$LOCAL_IP" ]; then
HOMENET+="$LOCAL_IP,"
fi
# Check if the red device is set to static and
# any aliases have been configured.
if [ "${RED_TYPE}" == "STATIC" ] && [ -s "${ALIASFILE}" ]; then
# Read in aliases file.
while IFS="," read -r address mode remark; do
# Check if the alias is enabled.
[ "${mode}" = "on" ] || continue
# Add alias to the list of HOMENET addresses.
HOMENET+="${address},"
done < "${ALIASFILE}"
fi
fi
HOMENET+="127.0.0.1"
echo "ipvar HOME_NET [$HOMENET]" > /etc/snort/vars
DNS1=`cat /var/ipfire/red/dns1 2>/dev/null`
DNS2=`cat /var/ipfire/red/dns2 2>/dev/null`
if [ "$DNS2" ]; then
echo "ipvar DNS_SERVERS [$DNS1,$DNS2]" >> /etc/snort/vars
else
echo "ipvar DNS_SERVERS $DNS1" >> /etc/snort/vars
fi
for DEVICE in $DEVICES; do
boot_mesg "Starting Intrusion Detection System on $DEVICE..."
/usr/sbin/snort -c /etc/snort/snort.conf -i $DEVICE -D -l /var/log/snort --create-pidfile --nolock-pidfile --pid-path /var/run
evaluate_retval
sleep 1
chmod 644 /var/run/snort_$DEVICE.pid
done
;;
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
# Don't report returncode of rm if snort was not started
exit 0
;;
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