110.neggrpperm revision 96048 
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/100.chksetuid 96048 2002-05-05 00:59:37Z cjc $
28#
29
30# If there is a global system configuration file, suck it in.
31#
32if [ -r /etc/defaults/periodic.conf ]
33then
34    . /etc/defaults/periodic.conf
35    source_periodic_confs
36fi
37
38TMP=/var/run/_secure.$$
39LOG="${daily_status_security_logdir}"
40rc=0
41
42case "$daily_status_security_chksetuid_enable" in
43    [Yy][Ee][Ss])
44	echo ""
45	echo 'Checking setuid files and devices:'
46	# XXX Note that there is the possibility of overrunning the args to ls
47	MP=`mount -t ufs | grep -v " nosuid" | awk '{ print $3 }' | sort`
48	set ${MP}
49	while [ $# -ge 1 ]; do
50	    mount=$1
51	    shift
52	    find $mount -xdev -type f \
53		    \( -perm -u+x -or -perm -g+x -or -perm -o+x \) \
54		    \( -perm -u+s -or -perm -g+s \) -print0
55	done | xargs -0 -n 20 ls -liTd | sed 's/^ *//' | sort +10 > ${TMP}
56
57	if [ ! -f ${LOG}/setuid.today ]; then
58	    rc=1
59	    echo "No ${LOG}/setuid.today"
60	    cp ${TMP} ${LOG}/setuid.today || rc=3
61	fi
62
63	if ! cmp ${LOG}/setuid.today ${TMP} >/dev/null
64	then
65	    [ $rc -lt 1 ] && rc=1
66	    echo "${host} setuid diffs:"
67	    diff -b ${LOG}/setuid.today ${TMP}
68	    mv ${LOG}/setuid.today ${LOG}/setuid.yesterday || rc=3
69	    mv ${TMP} ${LOG}/setuid.today || rc=3
70	fi
71	rm -f ${TMP};;
72    *)	rc=0;;
73esac
74
75exit $rc
76