--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security.d/chk_plussigns	Sat Mar 31 13:32:06 2007 +0200
@@ -0,0 +1,92 @@
+#!/bin/bash
+#
+# $Id$
+#
+#############################################################################
+# Copyright (C) 2005
+#   
+# Michiel Broek               <mbse@mbse.dds.nl>
+# Beekmansbos 10
+# 1971 BV IJmuiden
+# the Netherlands
+#
+# This file is part of SlackSecCheckSripts.
+#
+# This package is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# SlackSecCheckSripts is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with MBSE BBS; see the file COPYING.  If not, write to the Free
+# Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+#############################################################################
+
+
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+
+umask 077
+TZ=UTC; export TZ
+LANG=C; export LANG
+
+MP=/etc/passwd
+SP=/etc/shadow
+
+SECUREDIR=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1
+
+trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT PIPE
+
+if ! cd "$SECUREDIR"; then
+        echo "Can not cd to $SECUREDIR".
+        exit 1
+fi
+
+MPBYPATH=secure1.$$
+OUTPUT=secure2.$$
+
+# These are used several times.
+#
+awk -F: '{ print $1 " " $6 }' $MP | sort -k2 > $MPBYPATH
+
+
+# Files that should not have + signs.
+#
+list="/etc/hosts.equiv /etc/hosts.lpd"
+for f in $list ; do
+    if [ -f $f ] && egrep '\+' $f > /dev/null ; then
+	printf "\nPlus sign in $f file.\n"
+    fi
+done
+
+# Check for special users with .rhosts files.  Only root and toor should
+# have .rhosts files.  Also, .rhosts files should not have plus signs.
+awk -F: '$1 != "root" && $1 != "toor" && ($3 < 100 || $1 == "ftp" || $1 == "uucp") \
+    { print $1 " " $6 }' $MP |
+    sort -k2 |
+    while read uid homedir; do
+	if [ -f ${homedir}/.rhosts ] ; then
+	    rhost=`/bin/ls -ldg ${homedir}/.rhosts`
+	    printf -- "$uid: $rhost\n"
+	fi
+    done > $OUTPUT
+if [ -s $OUTPUT ] ; then
+    printf "\nChecking for special users with .rhosts files.\n"
+    cat $OUTPUT
+fi
+while read uid homedir; do
+    if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \
+	cat ${homedir}/.rhosts | egrep '\+' > /dev/null ; then
+	printf -- "$uid: + in .rhosts file.\n"
+    fi
+done < $MPBYPATH > $OUTPUT
+if [ -s $OUTPUT ] ; then
+    printf "\nChecking .rhosts files syntax.\n"
+    cat $OUTPUT
+fi
+
+