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# $FreeBSD$
28#
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
41security_daily_compat_var security_status_ipfwlimit_enable
42
43rc=0
44
45if check_yesno_period security_status_ipfwlimit_enable
46then
47	IPFW_VERBOSE=`sysctl -n net.inet.ip.fw.verbose 2> /dev/null`
48	if [ $? -ne 0 ] || [ "$IPFW_VERBOSE" -eq 0 ]; then
49		exit 0
50	fi
51	TMP=`mktemp -t security`
52	ipfw -a list | grep " log " | \
53	grep '^[[:digit:]]\+[[:space:]]\+[[:digit:]]\+' | \
54	awk \
55		'{if ($6 == "logamount") {
56			if ($2 > $7)
57				{print $0}}
58		}' > ${TMP}
59
60	if [ -s "${TMP}" ]; then
61		rc=1
62		echo ""
63		echo 'ipfw log limit reached:'
64		cat ${TMP}
65	fi
66	rm -f ${TMP}
67fi
68
69exit $rc
70