security.d/chk_plussigns

changeset 5
fe3130d22800
child 14
59e07bba67cc
equal deleted inserted replaced
-1:000000000000 5:fe3130d22800
1 #!/bin/bash
2 #
3 # $Id$
4 #
5 #############################################################################
6 # Copyright (C) 2005
7 #
8 # Michiel Broek <mbse@mbse.dds.nl>
9 # Beekmansbos 10
10 # 1971 BV IJmuiden
11 # the Netherlands
12 #
13 # This file is part of SlackSecCheckSripts.
14 #
15 # This package is free software; you can redistribute it and/or modify it
16 # under the terms of the GNU General Public License as published by the
17 # Free Software Foundation; either version 2, or (at your option) any
18 # later version.
19 #
20 # SlackSecCheckSripts is distributed in the hope that it will be useful, but
21 # WITHOUT ANY WARRANTY; without even the implied warranty of
22 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 # General Public License for more details.
24 #
25 # You should have received a copy of the GNU General Public License
26 # along with MBSE BBS; see the file COPYING. If not, write to the Free
27 # Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
28 #############################################################################
29
30
31 PATH=/sbin:/usr/sbin:/bin:/usr/bin
32
33 umask 077
34 TZ=UTC; export TZ
35 LANG=C; export LANG
36
37 MP=/etc/passwd
38 SP=/etc/shadow
39
40 SECUREDIR=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1
41
42 trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT PIPE
43
44 if ! cd "$SECUREDIR"; then
45 echo "Can not cd to $SECUREDIR".
46 exit 1
47 fi
48
49 MPBYPATH=secure1.$$
50 OUTPUT=secure2.$$
51
52 # These are used several times.
53 #
54 awk -F: '{ print $1 " " $6 }' $MP | sort -k2 > $MPBYPATH
55
56
57 # Files that should not have + signs.
58 #
59 list="/etc/hosts.equiv /etc/hosts.lpd"
60 for f in $list ; do
61 if [ -f $f ] && egrep '\+' $f > /dev/null ; then
62 printf "\nPlus sign in $f file.\n"
63 fi
64 done
65
66 # Check for special users with .rhosts files. Only root and toor should
67 # have .rhosts files. Also, .rhosts files should not have plus signs.
68 awk -F: '$1 != "root" && $1 != "toor" && ($3 < 100 || $1 == "ftp" || $1 == "uucp") \
69 { print $1 " " $6 }' $MP |
70 sort -k2 |
71 while read uid homedir; do
72 if [ -f ${homedir}/.rhosts ] ; then
73 rhost=`/bin/ls -ldg ${homedir}/.rhosts`
74 printf -- "$uid: $rhost\n"
75 fi
76 done > $OUTPUT
77 if [ -s $OUTPUT ] ; then
78 printf "\nChecking for special users with .rhosts files.\n"
79 cat $OUTPUT
80 fi
81 while read uid homedir; do
82 if [ -f ${homedir}/.rhosts -a -r ${homedir}/.rhosts ] && \
83 cat ${homedir}/.rhosts | egrep '\+' > /dev/null ; then
84 printf -- "$uid: + in .rhosts file.\n"
85 fi
86 done < $MPBYPATH > $OUTPUT
87 if [ -s $OUTPUT ] ; then
88 printf "\nChecking .rhosts files syntax.\n"
89 cat $OUTPUT
90 fi
91
92

mercurial