#!/bin/sh - # # @(#)security 5.3 (Berkeley) 5/28/91 # $Id: security,v 1.9 1995/09/15 00:22:31 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 \ \( -perm -u+x -or -perm -g+x -or -perm -o+x \) \ \( -perm -u+s -or -perm -g+s \) -or \ \( -type c -or -type b \) \ | sort # exclude date/time info for devices done | xargs -n 20 ls -lgTd | expand | \ sed 's/\(^[cb].*, *[0-9x]*\).*\( \/.*\)$/\1\2/' \ > $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/device 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