xref: /dragonfly/etc/periodic/security/900.tcpwrap (revision f8f04fe3) 
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# $FreeBSD: src/etc/periodic/security/900.tcpwrap,v 1.1.2.1 2002/02/25 10:53:47 cjc Exp $
28# $DragonFly: src/etc/periodic/security/900.tcpwrap,v 1.2 2003/06/17 04:24:48 dillon Exp $
29#
30
31# Show tcp_wrapper warning messages
32#
33
34# If there is a global system configuration file, suck it in.
35#
36if [ -r /etc/defaults/periodic.conf ]
37then
38    . /etc/defaults/periodic.conf
39    source_periodic_confs
40fi
41
42LOG="${daily_status_security_logdir}"
43
44yesterday=`date -v-1d "+%b %e "`
45
46catmsgs() {
47	find ${LOG} -name 'messages.*' -mtime -2 |
48	    sort -t. -r -n +1 -2 |
49	    xargs zcat -f
50	[ -f ${LOG}/messages ] && cat $LOG/messages
51}
52
53case "$daily_status_security_tcpwrap_enable" in
54    [Yy][Ee][Ss])
55	echo ""
56	echo "${host} refused connections:"
57	n=$(catmsgs | grep -i "^$yesterday.*refused connect" |
58	    tee /dev/stderr | wc -l)
59	[ $n -gt 0 ] && rc=1 || rc=0;;
60    *)	rc=0;;
61esac
62
63exit $rc
64