98 lines
3.3 KiB
Plaintext
98 lines
3.3 KiB
Plaintext
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#!/bin/sh
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#
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# Copyright (c) 2018 Babak Farrokhi. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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#
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# Magic markers:
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#%# family=auto
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#%# capabilities=autoconf
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SCRIPT_NAME=$(basename $0)
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STAT_TYPE=`echo $SCRIPT_NAME | sed -n s/pf_//p`
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PFCTL="/sbin/pfctl"
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STATFILE=`mktemp -t pf`
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${PFCTL} -vsi > ${STATFILE} 2>/dev/null
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print_config()
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{
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local fname=$1; shift;
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local fdesc=$1; shift;
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local ftype=$1; shift;
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echo "${fname}.label ${fdesc}"
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echo "${fname}.draw LINE1"
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echo "${fname}.type ${ftype}"
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echo "${fname}.min 0"
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}
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if [ "$1" == "autoconf" ]; then
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${PFCTL} -si >/dev/null 2>&1 && echo yes || echo no
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exit 0
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elif [ "$1" == "config" ]; then
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LIMITFILE=`mktemp -t pf`
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${PFCTL} -vsm > ${LIMITFILE} 2>/dev/null
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MAX_STATES=`cat ${LIMITFILE} | grep "^states" | awk '{print $4}'`
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MAX_SRC=`cat ${LIMITFILE} | grep "^src-nodes" | awk '{print $4}'`
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rm ${LIMITFILE}
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echo "graph_title Firewall State Counters"
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echo "graph_args --lower-limit 0 --base 1000"
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echo "graph_category firewall"
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print_config "state" "current" "GAUGE"
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echo "state.critical ${MAX_STATES}"
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print_config "state_searches" "search" "DERIVE"
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print_config "state_inserts" "insert" "DERIVE"
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print_config "state_removals" "removal" "DERIVE"
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print_config "source" "current" "GAUGE"
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echo "source.critical ${MAX_SRC}"
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print_config "source_searches" "search" "DERIVE"
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print_config "source_inserts" "insert" "DERIVE"
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print_config "source_removals" "removal" "DERIVE"
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for i in `grep "^Counters" -A15 ${STATFILE} | tail -15 | awk '{print $1}' `; do
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print_config "counter_${i}" ${i} "DERIVE"
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done
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else
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grep "^State Table" -A4 ${STATFILE} | grep "current" | awk '{print "state.value "$3}'
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grep "^State Table" -A4 ${STATFILE} | tail -3 | awk '{print "state_"$1".value",$2}'
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grep "^Source Tracking Table" -A4 ${STATFILE} | grep "current" | awk '{print "source.value "$3}'
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grep "^Source Tracking Table" -A4 ${STATFILE} | tail -3 | awk '{print "source_"$1".value",$2}'
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grep "^Counters" -A15 ${STATFILE} | tail -15 | awk '{print "counter_"$1".value",$2}'
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fi
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rm ${STATFILE}
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