freebsd-nq/etc/periodic/security/520.pfdenied
Kurt Lidl bd5ca94caa Zero pf rule counters so daily reports make sense
Zero pf rule counters so that each daily report lists an absolute
number of rejected packets, not the total since the last time the
machine rebooted (or the counters were manually cleared).

PR:		206467
Submitted by:	Rick Adams
Approved by:	rpaulo (mentor)
Differential Revision:	https://reviews.freebsd.org/D5172
2016-02-09 21:00:38 +00:00

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#!/bin/sh -
#
# Copyright (c) 2004 The FreeBSD Project
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
. /etc/defaults/periodic.conf
source_periodic_confs
fi
. /etc/periodic/security/security.functions
security_daily_compat_var security_status_pfdenied_enable
rc=0
if check_yesno_period security_status_pfdenied_enable
then
TMP=`mktemp -t security`
if pfctl -sr -v -z 2>/dev/null | nawk '{if (/^block/) {buf=$0; getline; gsub(" +"," ",$0); if ($5 > 0) print buf$0;} }' > ${TMP}; then
check_diff new_only pf ${TMP} "${host} pf denied packets:"
fi
rc=$?
rm -f ${TMP}
fi
exit $rc