#!/bin/sh
-########################################################################
-# Begin $rc_base/init.d/suricata
-#
-# Description : Suricata Initscript
-#
-# Author : Stefan Schantl <stefan.schantl@ipfire.org>
-#
-# Version : 01.01
-#
-# Notes :
-#
-########################################################################
+###############################################################################
+# #
+# IPFire.org - A linux based firewall #
+# Copyright (C) 2007-2022 IPFire Team <info@ipfire.org> #
+# #
+# This program is free software: you can redistribute it and/or modify #
+# it under the terms of the GNU General Public License as published by #
+# the Free Software Foundation, either version 3 of the License, or #
+# (at your option) any later version. #
+# #
+# This program is distributed in the hope that it will be useful, #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
+# GNU General Public License for more details. #
+# #
+# You should have received a copy of the GNU General Public License #
+# along with this program. If not, see <http://www.gnu.org/licenses/>. #
+# #
+###############################################################################
. /etc/sysconfig/rc
. ${rc_functions}
NFQ_OPTS="--queue-bypass "
# Array containing the 4 possible network zones.
-network_zones=( red green blue orange )
+network_zones=( red green blue orange ovpn )
# Array to store the network zones weather the IPS is enabled for.
enabled_ips_zones=()
-# Mark and Mask options.
-MARK="0x70000000"
-MASK="0x70000000"
-
# PID file of suricata.
PID_FILE="/var/run/suricata.pid"
[ "$line" ] && [ -z "${line%processor*}" ] && ((CPUCOUNT++))
done </proc/cpuinfo
- echo $CPUCOUNT
+ # Limit to a maximum of 16 cores, because suricata does not support more than
+ # 16 netfilter queues at the moment.
+ if [ $CPUCOUNT -gt "16" ]; then
+ echo "16"
+ else
+ echo $CPUCOUNT
+ fi
}
# Function to flush the firewall chains.
function flush_fw_chain {
# Call iptables and flush the chains
- iptables -F "$IPS_INPUT_CHAIN"
- iptables -F "$IPS_FORWARD_CHAIN"
- iptables -F "$IPS_OUTPUT_CHAIN"
+ iptables -w -F "$IPS_INPUT_CHAIN"
+ iptables -w -F "$IPS_FORWARD_CHAIN"
+ iptables -w -F "$IPS_OUTPUT_CHAIN"
}
# Function to create the firewall rules to pass the traffic to suricata.
if [ "$zone" == "red" ] && [ "$RED_TYPE" == "PPPOE" ]; then
# Set device name to ppp0.
network_device="ppp0"
+ elif [ "$zone" == "ovpn" ]; then
+ # Get all virtual net devices because the RW server and each
+ # N2N connection creates it's own tun device.
+ for virt_dev in /sys/devices/virtual/net/*; do
+ # Cut-off the directory.
+ dev="${virt_dev##*/}"
+
+ # Only process tun devices.
+ if [[ $dev =~ "tun" ]]; then
+ # Add the network device to the array of enabled zones.
+ enabled_ips_zones+=( "$dev" )
+ fi
+ done
+
+ # Process next zone.
+ continue
else
# Generate variable name which contains the device name.
zone_name="$zone_upper"
# Loop through the array and create firewall rules.
for enabled_ips_zone in "${enabled_ips_zones[@]}"; do
# Create rules queue input and output related traffic and pass it to the IPS.
- iptables -I "$IPS_INPUT_CHAIN" -i "$enabled_ips_zone" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
- iptables -I "$IPS_OUTPUT_CHAIN" -o "$enabled_ips_zone" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
+ iptables -w -A "$IPS_INPUT_CHAIN" -i "$enabled_ips_zone" -j NFQUEUE $NFQ_OPTIONS
+ iptables -w -A "$IPS_OUTPUT_CHAIN" -o "$enabled_ips_zone" -j NFQUEUE $NFQ_OPTIONS
# Create rules which are required to handle forwarded traffic.
for enabled_ips_zone_forward in "${enabled_ips_zones[@]}"; do
- iptables -I "$IPS_FORWARD_CHAIN" -i "$enabled_ips_zone" -o "$enabled_ips_zone_forward" -m mark ! --mark "$MARK"/"$MASK" -j NFQUEUE $NFQ_OPTIONS
+ iptables -w -A "$IPS_FORWARD_CHAIN" -i "$enabled_ips_zone" -o "$enabled_ips_zone_forward" -j NFQUEUE $NFQ_OPTIONS
done
done
-
- # Clear repeat bit, so that it does not confuse IPsec or QoS
- iptables -A "${IPS_INPUT_CHAIN}" -j MARK --set-xmark "0x0/${MASK}"
- iptables -A "${IPS_FORWARD_CHAIN}" -j MARK --set-xmark "0x0/${MASK}"
- iptables -A "${IPS_OUTPUT_CHAIN}" -j MARK --set-xmark "0x0/${MASK}"
fi
}
cpu_count=$(get_cpu_count)
# Numer of NFQUES.
- NFQUEUES=
+ NFQUEUES="-q 0"
- for i in $(seq 0 $((cpu_count-1)) ); do
- NFQUEUES+="-q $i "
- done
+ if [ $cpu_count -gt "1" ]; then
+ NFQUEUES+=":$(($cpu_count-1))"
+ fi
# Check if the IDS should be started.
if [ "$ENABLE_IDS" == "on" ]; then
# Flush firewall chain.
flush_fw_chain
- # Remove suricata control socket.
+ # Sometimes suricata not correct shutdown. So killall.
+ killall -KILL /usr/bin/suricata 2>/dev/null
+
+ # Remove suricata control socket.
rm /var/run/suricata/* >/dev/null 2>/dev/null
+ # Trash remain pid file if still exists.
+ rm -f $PID_FILE >/dev/null 2>/dev/null
+
# Don't report returncode of rm if suricata was not started
exit 0
;;
-
+
status)
statusproc /usr/bin/suricata
;;
-
+
restart)
$0 stop
$0 start
# Generate firewall rules.
generate_fw_rules
;;
-
+
*)
echo "Usage: $0 {start|stop|restart|reload|status}"
exit 1
esac
chmod 644 /var/log/suricata/* 2>/dev/null
-
-# End $rc_base/init.d/suricata
projects / people / mfischer / ipfire-2.x.git / blobdiff