1#!/bin/sh -
2#
3# Copyright (c) 2001  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#
28
29# Show tcp_wrapper warning messages
30#
31
32# If there is a global system configuration file, suck it in.
33#
34if [ -r /etc/defaults/periodic.conf ]
35then
36    . /etc/defaults/periodic.conf
37    source_periodic_confs
38fi
39
40security_daily_compat_var security_status_logdir
41security_daily_compat_var security_status_tcpwrap_enable
42
43LOG="${security_status_logdir}"
44
45yesterday=`date -v-1d "+%b %e "`
46
47catmsgs() {
48	find ${LOG} -name 'messages.*' -mtime -2 |
49	    sort -t. -r -n -k 2,2 |
50	    while read f
51	    do
52		case $f in
53		    *.gz)	zcat -f $f;;
54		    *.bz2)	bzcat -f $f;;
55		    *.xz)	xzcat -f $f;;
56		    *.zst)	zstdcat -f $f;;
57		esac
58	    done
59	[ -f ${LOG}/messages ] && cat $LOG/messages
60}
61
62rc=0
63
64if check_yesno_period security_status_tcpwrap_enable
65then
66	echo ""
67	echo "${host} refused connections:"
68	n=$(catmsgs | grep -i "^$yesterday.*refused connect" |
69	    tee /dev/stderr | wc -l)
70	[ $n -gt 0 ] && rc=1 || rc=0
71fi
72
73exit $rc
74