#!/bin/sh
+########################################################################
+# Begin $rc_base/init.d/snort
+#
+# Description : Snort Initscript
+#
+# Authors : Michael Tremer for ipfire.org - mitch@ipfire.org
+#
+# Version : 01.00
#
-# setting and configure Parameter
+# Notes :
+#
+########################################################################
+
+. /etc/sysconfig/rc
+. ${rc_functions}
+
+PATH=/usr/local/sbin:/usr/local/bin:/bin:/usr/bin:/sbin:/usr/sbin; export PATH
-cd /etc/snort
-snort=/usr/sbin/snort
-vars=/etc/snort/vars
eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
-HOME_NET=`echo $GREEN_NETADDRESS`
-EXTERMAL_NET="EXTERNAL_NET=ANY"
+eval $(/usr/local/bin/readhash /var/ipfire/snort/settings)
-# setting the snort sensore to the interface !!
-DEVICE=`echo $GREEN_DEV`
-PIDFILE=/var/run/snort_$DEVICE.pid
-startparameter=" -c snort.conf -i $DEVICE -D -l /var/log/snort --pid-path $PIDFILE"
+if [ "$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
-#create the DYNAMIC vars Variable of Snort
- echo "var HOME_NET $HOME_NET" > $vars
- echo "var EXTERNAL_NET ANY" >> $vars
+if [ "$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
-# Begin $rc_base/init.d/snort
+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
-. /etc/sysconfig/rc
-. $rc_functions
+DNS1=`cat /var/ipfire/red/dns1 2>/dev/null`
+DNS2=`cat /var/ipfire/red/dns2 2>/dev/null`
+
+if [ "$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)
- boot_mesg "Starting snort..."
- loadproc $snort $startparameter
- ;;
-
- stop)
- boot_mesg "Stopping snort..."
- killproc -p $PIDFILE /var/run
- ;;
-
- status)
- statusproc /usr/sbin/snort
- ;;
-
- *)
- echo "Usage: $0 {start|stop|status}"
- exit 1
- ;;
+ start)
+ # Disable incompatible rules
+ boot_mesg "Check/Fix Intrusion Detection rules..."
+ for file in $(ls /etc/snort/rules/*.rules 2>/dev/null); do
+ sed -i 's|^alert.*!\[\$DNS_SERVERS|#&|g' $file
+ sed -i 's|^alert.*!\$SSH_PORTS|#&|g' $file
+ sed -i 's|^alert.*!\$HOME_NET|#&|g' $file
+ sed -i 's|^alert.*!\$SQL_SERVERS|#&|g' $file
+ done
+ echo_ok
+
+ 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
+
+
+ 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
projects / people / pmueller / ipfire-2.x.git / blobdiff