security.d/chk_logs

#!/bin/bash
#
# $Id$
#
#############################################################################
# Copyright (C) 2005
#   
# Michiel Broek               <mbse@mbse.dds.nl>
# Beekmansbos 10
# 1971 BV IJmuiden
# the Netherlands
#
# This file is part of SlackSecCheckSripts.
#
# This package is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# SlackSecCheckSripts is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with MBSE BBS; see the file COPYING.  If not, write to the Free
# Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
#############################################################################


PATH=/sbin:/usr/sbin:/bin:/usr/bin

umask 077
TZ=UTC; export TZ
LANG=C; export LANG

SECUREDIR=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1

trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT PIPE

if ! cd "$SECUREDIR"; then
        echo "Can not cd to $SECUREDIR".
        exit 1
fi

TMP2=secure1.$$
OUTPUT=secure4.$$

egrep ' useradd\[' /var/log/secure > $TMP2
egrep ' userdel\[' /var/log/secure >> $TMP2
egrep ' usermod\[' /var/log/secure >> $TMP2
egrep ' groupadd\[' /var/log/secure >> $TMP2
egrep ' groupdel\[' /var/log/secure >> $TMP2
egrep ' groupmod\[' /var/log/secure >> $TMP2
egrep ' passwd\[' /var/log/secure >> $TMP2
egrep ' sudo:' /var/log/messages >> $TMP2

cat $TMP2 | sort > $OUTPUT

if [ -s $OUTPUT ] ; then
    printf "\nImportant logfile entries:\n"
    column $OUTPUT
fi