1#!/bin/sh -
2#
3# Copyright (c) 2004  The FreeBSD Project
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD: head/etc/periodic/security/520.pfdenied 306696 2016-10-04 23:12:35Z lidl $
28#
29
30# If there is a global system configuration file, suck it in.
31#
32if [ -r /etc/defaults/periodic.conf ]
33then
34    . /etc/defaults/periodic.conf
35    source_periodic_confs
36fi
37
38. /etc/periodic/security/security.functions
39
40security_daily_compat_var security_status_pfdenied_enable
41
42rc=0
43
44if check_yesno_period security_status_pfdenied_enable
45then
46	TMP=`mktemp -t security`
47	pfctl -sr -v -z 2>/dev/null | \
48	    awk '{
49		if (/^block/) {
50		    buf=$0
51		    getline
52		    gsub(" +"," ",$0)
53		    if ($5 > 0)
54			print buf$0
55		}
56	    }' > ${TMP}
57	if [ -s ${TMP} ]; then
58		check_diff new_only pf ${TMP} "${host} pf denied packets:"
59	fi
60	rc=$?
61	rm -f ${TMP}
62fi
63
64exit $rc
65