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/security.functions,v 1.5 2005/08/22 09:33:36 cperciva Exp $ 28# $DragonFly: src/etc/periodic/security/security.functions,v 1.3 2007/12/29 21:44:44 matthias Exp $ 29# 30 31# 32# Show differences in the output of an audit command 33# 34 35LOG="${daily_status_security_logdir}" 36rc=0 37 38# Usage: COMMAND | check_diff [new_only] LABEL - MSG 39# COMMAND > TMPFILE; check_diff [new_only] LABEL TMPFILE MSG 40# if $1 is new_only, show only the 'new' part of the diff. 41# LABEL is the base name of the ${LOG}/${label}.{today,yesterday} files. 42 43check_diff() { 44 rc=0 45 if [ "$1" = "new_only" ]; then 46 shift 47 filter="grep '^[>+]'" 48 else 49 filter="cat" 50 fi 51 label="$1"; shift 52 tmpf="$1"; shift 53 msg="$1"; shift 54 55 if [ "${tmpf}" = "-" ]; then 56 tmpf=`mktemp -t security` 57 cat > ${tmpf} 58 fi 59 60 if [ ! -f ${LOG}/${label}.today ]; then 61 rc=1 62 echo "" 63 echo "No ${LOG}/${label}.today" 64 cp ${tmpf} ${LOG}/${label}.today || rc=3 65 fi 66 67 if ! cmp -s ${LOG}/${label}.today ${tmpf} >/dev/null; then 68 [ $rc -lt 1 ] && rc=1 69 echo "" 70 echo "${msg}" 71 diff ${daily_status_security_diff_flags} ${LOG}/${label}.today \ 72 ${tmpf} | eval "${filter}" 73 mv ${LOG}/${label}.today ${LOG}/${label}.yesterday || rc=3 74 mv ${tmpf} ${LOG}/${label}.today || rc=3 75 fi 76 77 rm -f ${tmpf} 78 exit ${rc} 79} 80