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https://github.com/vincentmli/bpfire.git
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55658ee381
I accidently commited the wrong file in the previous commit. This is the fixed and working version. Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
131 lines
3.3 KiB
Bash
131 lines
3.3 KiB
Bash
#!/bin/sh
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########################################################################
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# Begin $rc_base/init.d/suricata
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#
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# Description : Suricata Initscript
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#
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# Author : Stefan Schantl <stefan.schantl@ipfire.org>
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#
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# Version : 01.00
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#
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# Notes :
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#
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########################################################################
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. /etc/sysconfig/rc
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. ${rc_functions}
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PATH=/usr/local/sbin:/usr/local/bin:/bin:/usr/bin:/sbin:/usr/sbin; export PATH
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eval $(/usr/local/bin/readhash /var/ipfire/suricata/settings)
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# Name of the firewall chain.
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FW_CHAIN="IPS"
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# Optional options for the Netfilter queue.
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NFQ_OPTS="--queue-bypass "
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# Array containing the 4 possible network zones.
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network_zones=( red green blue orange )
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# Mark and Mask options.
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MARK="0x1"
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MASK="0x1"
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# PID file of suricata.
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PID_FILE="/var/run/suricata.pid"
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case "$1" in
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start)
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# Get amount of CPU cores.
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NFQUEUES=
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CPUCOUNT=0
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while read line; do
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[ "$line" ] && [ -z "${line%processor*}" ] && NFQUEUES+="-q $CPUCOUNT " && ((CPUCOUNT++))
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done </proc/cpuinfo
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# Check if the IDS should be started.
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if [ "$ENABLE_IDS" == "on" ]; then
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# Loop through the array of network zones.
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for zone in "${network_zones[@]}"; do
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# Convert zone into upper case.
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zone_upper=${zone^^}
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# Generate variable name for checking if the IDS is
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# enabled on the zone.
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enable_ids_zone="ENABLE_IDS_$zone_upper"
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# Check if the IDS is enabled for this network zone.
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if [ "${!enable_ids_zone}" == "on" ]; then
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# Generate name of the network interface.
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network_device=$zone
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network_device+="0"
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# Assign NFQ_OPTS
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NFQ_OPTIONS=$NFQ_OPTS
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# Check if there are multiple cpu cores available.
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if [ "$CPUCOUNT" > 0 ]; then
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# Balance beetween all queues.
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NFQ_OPTIONS+="--queue-balance 0:"
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NFQ_OPTIONS+=$(($CPUCOUNT-1))
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else
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# Send all packets to queue 0.
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NFQ_OPTIONS+="--queue-num 0"
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fi
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# Create firewall rules to queue the traffic and pass to
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# the IDS.
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iptables -I "$FW_CHAIN" -i "$network_device" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
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iptables -I "$FW_CHAIN" -o "$network_device" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
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fi
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done
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# Start the IDS.
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boot_mesg "Starting Intrusion Detection System..."
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/usr/bin/suricata -c /etc/suricata/suricata.yaml -D $NFQUEUES
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evaluate_retval
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# Allow reading the pidfile.
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chmod 644 $PID_FILE
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fi
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;;
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stop)
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boot_mesg "Stopping Intrusion Detection System..."
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killproc -p $PID_FILE /var/run
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# Flush firewall chain.
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iptables -F $FW_CHAIN
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# Remove suricata control socket.
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rm /var/run/suricata/* >/dev/null 2>/dev/null
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# Don't report returncode of rm if suricata was not started
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exit 0
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;;
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status)
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statusproc /usr/bin/suricata
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;;
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restart)
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$0 stop
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$0 start
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;;
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reload)
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# Send SIGUSR2 to the suricata process to perform a reload
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# of the ruleset.
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kill -USR2 $(pidof suricata)
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;;
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*)
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echo "Usage: $0 {start|stop|restart|reload|status}"
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exit 1
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;;
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esac
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chmod 644 /var/log/suricata/* 2>/dev/null
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# End $rc_base/init.d/suricata
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