800.loginfail revision 180111 
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: head/etc/periodic/security/800.loginfail 180111 2008-06-30 08:01:47Z mtm $
28#
29
30# Show login failures
31#
32
33# If there is a global system configuration file, suck it in.
34#
35if [ -r /etc/defaults/periodic.conf ]
36then
37    . /etc/defaults/periodic.conf
38    source_periodic_confs
39fi
40
41LOG="${daily_status_security_logdir}"
42
43yesterday=`date -v-1d "+%b %e "`
44
45catmsgs() {
46	find ${LOG} -name 'auth.log.*' -mtime -2 |
47	    sort -t. -r -n -k 2,2 |
48	    while read f
49	    do
50		case $f in
51		    *.gz)	zcat -f $f;;
52		    *.bz2)	bzcat -f $f;;
53		esac
54	    done
55	[ -f ${LOG}/auth.log ] && cat $LOG/auth.log
56}
57
58case "$daily_status_security_loginfail_enable" in
59    [Yy][Ee][Ss])
60	echo ""
61	echo "${host} login failures:"
62	n=$(catmsgs | egrep -ia "^$yesterday.*: .*(fail|invalid|bad|illegal)" |
63	    tee /dev/stderr | wc -l)
64	[ $n -gt 0 ] && rc=1 || rc=0;;
65    *)	rc=0;;
66esac
67
68exit $rc
69