200.chkmounts revision 87514 
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: head/etc/periodic/security/200.chkmounts 87514 2001-12-07 23:57:39Z cjc $
28#
29
30# Show changes in the way filesystems are mounted
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
41TMP=/var/run/_secure.$$
42LOG="${daily_status_security_logdir}"
43ignore="${daily_status_security_chkmounts_ignore}"
44rc=0
45
46case "$daily_status_security_chkmounts_enable" in
47    [Yy][Ee][Ss])
48	case "$daily_status_security_noamd" in
49	    [Yy][Ee][Ss])
50		ignore="${ignore}|^amd:"
51	esac
52	[ -n "$ignore" ] && cmd="egrep -v ${ignore#|}" || cmd=cat
53	if mount -p | ${cmd} > ${TMP}; then
54	    if [ ! -f ${LOG}/mount.today ]; then
55		rc=1
56		echo ""
57		echo "No ${LOG}/mount.today"
58		cp ${TMP} ${LOG}/mount.today || rc=3
59	    fi
60	    if ! cmp ${LOG}/mount.today ${TMP} >/dev/null 2>&1; then
61		[ $rc -lt 1 ] && rc=1
62		echo ""
63		echo "${host} changes in mounted filesystems:"
64		diff -b ${LOG}/mount.today ${TMP}
65		mv ${LOG}/mount.today ${LOG}/mount.yesterday || rc=3
66		mv ${TMP} ${LOG}/mount}.today || rc=3
67	    fi
68	fi
69	rm -f ${TMP};;
70    *)	rc=0;;
71esac
72
73exit "$rc"
74