78 lines
2.4 KiB
Bash
78 lines
2.4 KiB
Bash
#!/bin/sh
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#
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# Copyright (c) 2001 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#
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# Show differences in the output of an audit command
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#
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LOG="${daily_status_security_logdir}"
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rc=0
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# Usage: COMMAND | check_diff [new_only] LABEL - MSG
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# COMMAND > TMPFILE; check_diff [new_only] LABEL TMPFILE MSG
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# if $1 is new_only, show only the 'new' part of the diff.
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# LABEL is the base name of the ${LOG}/${label}.{today,yesterday} files.
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check_diff() {
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rc=0
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if [ "$1" = "new_only" ]; then
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shift
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filter="grep '^>'"
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else
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filter="cat"
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fi
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label="$1"; shift
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tmpf="$1"; shift
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msg="$1"; shift
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if [ "${tmpf}" = "-" ]; then
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tmpf=`mktemp -t security`
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cat > ${tmpf}
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fi
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if [ ! -f ${LOG}/${label}.today ]; then
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rc=1
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echo ""
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echo "No ${LOG}/${label}.today"
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cp ${tmpf} ${LOG}/${label}.today || rc=3
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fi
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if ! cmp -s ${LOG}/${label}.today ${tmpf} >/dev/null; then
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[ $rc -lt 1 ] && rc=1
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echo ""
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echo "${msg}"
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diff -b ${LOG}/${label}.today ${tmpf} | eval "${filter}"
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mv ${LOG}/${label}.today ${LOG}/${label}.yesterday || rc=3
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mv ${tmpf} ${LOG}/${label}.today || rc=3
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fi
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rm -f ${tmpf}
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exit ${rc}
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}
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