xref: /freebsd/usr.sbin/periodic/etc/security/900.tcpwrap (revision 81ea85a8845662ca329a954eeeb3e6d4124282a2)
1*81ea85a8SBrad Davis#!/bin/sh -
2*81ea85a8SBrad Davis#
3*81ea85a8SBrad Davis# Copyright (c) 2001  The FreeBSD Project
4*81ea85a8SBrad Davis# All rights reserved.
5*81ea85a8SBrad Davis#
6*81ea85a8SBrad Davis# Redistribution and use in source and binary forms, with or without
7*81ea85a8SBrad Davis# modification, are permitted provided that the following conditions
8*81ea85a8SBrad Davis# are met:
9*81ea85a8SBrad Davis# 1. Redistributions of source code must retain the above copyright
10*81ea85a8SBrad Davis#    notice, this list of conditions and the following disclaimer.
11*81ea85a8SBrad Davis# 2. Redistributions in binary form must reproduce the above copyright
12*81ea85a8SBrad Davis#    notice, this list of conditions and the following disclaimer in the
13*81ea85a8SBrad Davis#    documentation and/or other materials provided with the distribution.
14*81ea85a8SBrad Davis#
15*81ea85a8SBrad Davis# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*81ea85a8SBrad Davis# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*81ea85a8SBrad Davis# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*81ea85a8SBrad Davis# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*81ea85a8SBrad Davis# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*81ea85a8SBrad Davis# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*81ea85a8SBrad Davis# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*81ea85a8SBrad Davis# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*81ea85a8SBrad Davis# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*81ea85a8SBrad Davis# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*81ea85a8SBrad Davis# SUCH DAMAGE.
26*81ea85a8SBrad Davis#
27*81ea85a8SBrad Davis# $FreeBSD$
28*81ea85a8SBrad Davis#
29*81ea85a8SBrad Davis
30*81ea85a8SBrad Davis# Show tcp_wrapper warning messages
31*81ea85a8SBrad Davis#
32*81ea85a8SBrad Davis
33*81ea85a8SBrad Davis# If there is a global system configuration file, suck it in.
34*81ea85a8SBrad Davis#
35*81ea85a8SBrad Davisif [ -r /etc/defaults/periodic.conf ]
36*81ea85a8SBrad Davisthen
37*81ea85a8SBrad Davis    . /etc/defaults/periodic.conf
38*81ea85a8SBrad Davis    source_periodic_confs
39*81ea85a8SBrad Davisfi
40*81ea85a8SBrad Davis
41*81ea85a8SBrad Davissecurity_daily_compat_var security_status_logdir
42*81ea85a8SBrad Davissecurity_daily_compat_var security_status_tcpwrap_enable
43*81ea85a8SBrad Davis
44*81ea85a8SBrad DavisLOG="${security_status_logdir}"
45*81ea85a8SBrad Davis
46*81ea85a8SBrad Davisyesterday=`date -v-1d "+%b %e "`
47*81ea85a8SBrad Davis
48*81ea85a8SBrad Daviscatmsgs() {
49*81ea85a8SBrad Davis	find ${LOG} -name 'messages.*' -mtime -2 |
50*81ea85a8SBrad Davis	    sort -t. -r -n -k 2,2 |
51*81ea85a8SBrad Davis	    while read f
52*81ea85a8SBrad Davis	    do
53*81ea85a8SBrad Davis		case $f in
54*81ea85a8SBrad Davis		    *.gz)	zcat -f $f;;
55*81ea85a8SBrad Davis		    *.bz2)	bzcat -f $f;;
56*81ea85a8SBrad Davis		esac
57*81ea85a8SBrad Davis	    done
58*81ea85a8SBrad Davis	[ -f ${LOG}/messages ] && cat $LOG/messages
59*81ea85a8SBrad Davis}
60*81ea85a8SBrad Davis
61*81ea85a8SBrad Davisrc=0
62*81ea85a8SBrad Davis
63*81ea85a8SBrad Davisif check_yesno_period security_status_tcpwrap_enable
64*81ea85a8SBrad Davisthen
65*81ea85a8SBrad Davis	echo ""
66*81ea85a8SBrad Davis	echo "${host} refused connections:"
67*81ea85a8SBrad Davis	n=$(catmsgs | grep -i "^$yesterday.*refused connect" |
68*81ea85a8SBrad Davis	    tee /dev/stderr | wc -l)
69*81ea85a8SBrad Davis	[ $n -gt 0 ] && rc=1 || rc=0
70*81ea85a8SBrad Davisfi
71*81ea85a8SBrad Davis
72*81ea85a8SBrad Davisexit $rc
73