xref: /freebsd-11.0-release/etc/periodic/security/520.pfdenied

#!/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
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# $FreeBSD: releng/11.0/etc/periodic/security/520.pfdenied 301226 2016-06-02 19:06:04Z lidl $
#

# 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`
	touch ${TMP}
	for _a in "" blacklistd
	do
		pfctl -a ${_a} -sr -v -z 2>/dev/null | \
		nawk '{if (/^block/) {buf=$0; getline; gsub(" +"," ",$0); if ($5 > 0) print buf$0;} }' >> ${TMP}
	done
	if [ -s ${TMP} ]; then
		check_diff new_only pf ${TMP} "${host} pf denied packets:"
	fi
	rc=$?
	rm -f ${TMP}
fi

exit $rc