etc/periodic/security/800.loginfail

   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/800.loginfail,v 1.8 2007/02/23 21:42:54 remko Exp $
  28 # $DragonFly: src/etc/periodic/security/800.loginfail,v 1.3 2007/12/29 21:44:44 matthias Exp $
  29 #
  30
  31 # Show login failures
  32 #
  33
  34 # If there is a global system configuration file, suck it in.
  35 #
  36 if [ -r /etc/defaults/periodic.conf ]
  37 then
  38     . /etc/defaults/periodic.conf
  39     source_periodic_confs
  40 fi
  41
  42 LOG="${daily_status_security_logdir}"
  43
  44 yesterday=`date -v-1d "+%b %e "`
  45
  46 catmsgs() {
  47         find ${LOG} -name 'auth.log.*' -mtime -2 |
  48             sort -t. -r -n -k 2,2 |
  49             while read f
  50             do
  51                 case $f in
  52                     *.gz)       zcat -f $f;;
  53                     *.bz2)      bzcat -f $f;;
  54                 esac
  55             done
  56         [ -f ${LOG}/auth.log ] && cat $LOG/auth.log
  57 }
  58
  59 case "$daily_status_security_loginfail_enable" in
  60     [Yy][Ee][Ss])
  61         echo ""
  62         echo "${host} login failures:"
  63         n=$(catmsgs | egrep -ia "^$yesterday.*: .* (fail|invalid|bad|illegal)" |
  64             tee /dev/stderr | wc -l)
  65         [ $n -gt 0 ] && rc=1 || rc=0;;
  66     *)  rc=0;;
  67 esac
  68
  69 exit $rc