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#!/bin/sh -
#
# @(#)security 5.3 (Berkeley) 5/28/91
# $Id: security,v 1.10 1996/04/18 10:34:07 ache Exp $
#
PATH=/sbin:/bin:/usr/bin
LC_ALL=C; export LC_ALL
host=`hostname -s`
echo "Subject: $host security check output"
LOG=/var/log
TMP=/tmp/_secure.$$
umask 027
echo "checking setuid files and devices:"
# don't have ncheck, but this does the equivalent of the commented out block.
# note that one of the original problem, the possibility of overrunning
# the args to ls, is still here...
#
MP=`mount -t ufs | sed 's;/dev/;&r;' | awk '{ print $3 }'`
set $MP
while test $# -ge 1; do
mount=$1
shift
find -X $mount -xdev -type f \
\( -perm -u+x -or -perm -g+x -or -perm -o+x \) \
\( -perm -u+s -or -perm -g+s \) | sort
done | xargs -n 20 ls -lgTd > $TMP
if [ ! -f $LOG/setuid.today ] ; then
echo "no $LOG/setuid.today"
cp $TMP $LOG/setuid.today
fi
if cmp $LOG/setuid.today $TMP >/dev/null; then :; else
echo "$host setuid diffs:"
diff -b $LOG/setuid.today $TMP
mv $LOG/setuid.today $LOG/setuid.yesterday
mv $TMP $LOG/setuid.today
fi
rm -f $TMP
echo ""
echo ""
echo "checking for uids of 0:"
awk 'BEGIN {FS=":"} $3=="0" {print $1,$3}' /etc/master.passwd
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