550.ipfwlimit revision 107674 
1226048Sobrien#!/bin/sh -
2226048Sobrien#
3226048Sobrien# Copyright (c) 2001  The FreeBSD Project
4226048Sobrien# All rights reserved.
5226048Sobrien#
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8226048Sobrien# are met:
9226048Sobrien# 1. Redistributions of source code must retain the above copyright
10226048Sobrien#    notice, this list of conditions and the following disclaimer.
11226048Sobrien# 2. Redistributions in binary form must reproduce the above copyright
12226048Sobrien#    notice, this list of conditions and the following disclaimer in the
13226048Sobrien#    documentation and/or other materials provided with the distribution.
14226048Sobrien#
15226048Sobrien# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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20226048Sobrien# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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26226048Sobrien#
27226048Sobrien# $FreeBSD: head/etc/periodic/security/550.ipfwlimit 107674 2002-12-07 23:37:44Z keramida $
28226048Sobrien#
29
30# Show ipfw rules which have reached the log limit
31#
32
33# If there is a global system configuration file, suck it in.
34#
35if [ -r /etc/defaults/periodic.conf ]
36then
37    . /etc/defaults/periodic.conf
38    source_periodic_confs
39fi
40
41rc=0
42
43case "$daily_status_security_ipfwlimit_enable" in
44    [Yy][Ee][Ss])
45	TMP=`mktemp ${TMPDIR:-/tmp}/security.XXXXXXXXXX`
46	IPFW_LOG_LIMIT=`sysctl -n net.inet.ip.fw.verbose_limit 2> /dev/null`
47	if [ $? -eq 0 ] && [ "${IPFW_LOG_LIMIT}" -ne 0 ]; then
48	    ipfw -a l | grep " log " | \
49	    grep '^[[:digit:]]\+[[:space:]]\+[[:digit:]]\+' | \
50	    awk -v limit="$IPFW_LOG_LIMIT" \
51		'{if ($2 > limit) {print $0}}' > ${TMP}
52	    if [ -s "${TMP}" ]; then
53		rc=1
54		echo ""
55		echo 'ipfw log limit reached:'
56		cat ${TMP}
57	    fi
58	fi
59	rm -f ${TMP};;
60    *)	rc=0;;
61esac
62
63exit $rc
64