10f23b4ad0
in the script. Eliminates a bug where we create a temp file, but don't delete it since the rm(1) is only done if the check is enabled. PR: bin/40960 Submitted by: frf <frf@xocolatl.com> MFC after: 3 days
70 lines
2.2 KiB
Bash
Executable File
70 lines
2.2 KiB
Bash
Executable File
#!/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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# Show denied packets
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#
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# If there is a global system configuration file, suck it in.
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#
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if [ -r /etc/defaults/periodic.conf ]
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then
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. /etc/defaults/periodic.conf
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source_periodic_confs
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fi
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LOG="${daily_status_security_logdir}"
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rc=0
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case "$daily_status_security_ipfwdenied_enable" in
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[Yy][Ee][Ss])
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TMP=`mktemp ${TMPDIR:-/tmp}/security.XXXXXXXXXX`
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if ipfw -a l 2>/dev/null | egrep "deny|reset|unreach" > ${TMP}; then
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if [ ! -f ${LOG}/ipfw.today ]; then
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rc=1
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echo ""
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echo "No ${LOG}/ipfw.today"
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cp ${TMP} ${LOG}/ipfw.today || rc=3
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fi
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if ! cmp ${LOG}/ipfw.today ${TMP} >/dev/null; then
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[ $rc -lt 1 ] && rc=1
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echo ""
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echo "${host} denied packets:"
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diff -b ${LOG}/ipfw.today ${TMP} | egrep "^>"
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mv ${LOG}/ipfw.today ${LOG}/ipfw.yesterday || rc=3
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mv ${TMP} ${LOG}/ipfw.today || rc=3
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fi
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fi
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rm -f ${TMP};;
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*) rc=0;;
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esac
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exit $rc
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