freebsd-dev/etc/periodic/security/800.loginfail
Robert Watson cd9281b380 Update login failure checking to check auth.log instead of messages,
and teach it to look for more general classes of failures, including
SSH login failures.  This is similar but not identical to a patch
submitted by aeonflux@synapse.subneural.net.
2002-03-11 19:39:08 +00:00

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#!/bin/sh -
#
# Copyright (c) 2001 The FreeBSD Project
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# Show login failures
#
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
. /etc/defaults/periodic.conf
source_periodic_confs
fi
LOG="${daily_status_security_logdir}"
yesterday=`date -v-1d "+%b %e "`
catmsgs() {
find ${LOG} -name 'auth.log.*' -mtime -2 |
sort -t. -r -n +1 -2 |
xargs zcat -f
[ -f ${LOG}/auth.log ] && cat $LOG/auth.log
}
case "$daily_status_security_loginfail_enable" in
[Yy][Ee][Ss])
echo ""
echo "${host} login failures:"
n=$(catmsgs | grep -ia "^$yesterday.*[fF]ail" |
tee /dev/stderr | wc -l)
[ $n -gt 0 ] && rc=1 || rc=0;;
*) rc=0;;
esac
exit $rc