HardenedBSD/etc/periodic/security/100.chksetuid
Gleb Smirnoff aed9792fae Don't do setuid checks on file systems mounted with noexec option.
Reviewed by:	brian, ru
MFC after:	1 week
2005-01-13 15:07:35 +00:00

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#!/bin/sh -
#
# Copyright (c) 2001 The FreeBSD Project
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
. /etc/defaults/periodic.conf
source_periodic_confs
fi
. /etc/periodic/security/security.functions
rc=0
case "$daily_status_security_chksetuid_enable" in
[Yy][Ee][Ss])
echo ""
echo 'Checking setuid files and devices:'
# XXX Note that there is the possibility of overrunning the args to ls
MP=`mount -t ufs | egrep -v " no(suid|exec)" | awk '{ print $3 }' | sort`
if [ -n "${MP}" ]
then
set ${MP}
while [ $# -ge 1 ]; do
mount=$1
shift
find $mount -xdev -type f \
\( -perm -u+x -or -perm -g+x -or -perm -o+x \) \
\( -perm -u+s -or -perm -g+s \) -print0
done | xargs -0 -n 20 ls -liTd | sed 's/^ *//' | sort -k 11 |
check_diff setuid - "${host} setuid diffs:"
rc=$?
fi;;
*) rc=0;;
esac
exit $rc