Sat, 31 Mar 2007 13:32:06 +0200
Initial import
0 | 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 | SECUREDIR=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1 | |
38 | ||
39 | trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT PIPE | |
40 | ||
41 | if ! cd "$SECUREDIR"; then | |
42 | echo "Can not cd to $SECUREDIR". | |
43 | exit 1 | |
44 | fi | |
45 | ||
46 | TMP1=secure1.$$ | |
47 | OUTPUT=secure2.$$ | |
48 | ||
49 | ||
50 | # Check for root paths, umask values in startup files. | |
51 | # The check for the root paths is problematical -- it's likely to fail | |
52 | # in other environments. Once the shells have been modified to warn | |
53 | # of '.' in the path, the path tests should go away. | |
54 | # | |
55 | rhome=~root | |
56 | umaskset=no | |
57 | ||
58 | if [ -x /bin/tcsh ]; then | |
59 | list="/etc/csh.cshrc /etc/csh.login ${rhome}/.cshrc ${rhome}/.login `/bin/ls /etc/profile.d/*.csh`" | |
60 | ||
61 | for i in $list ; do | |
62 | if [ -f $i ] ; then | |
63 | if egrep '^[^#]*(umask)' $i > /dev/null ; | |
64 | then | |
65 | umaskset=yes | |
66 | fi | |
67 | # Double check the umask value itself; ensure that | |
68 | # both the group and other write bits are set. | |
69 | # | |
70 | egrep '^[^#]*(umask)' $i | | |
71 | awk '{ | |
72 | if ($2 ~ /^.$/ || $2 ~! /[^2367].$/) { | |
73 | print "\tRoot umask is group writeable" | |
74 | } | |
75 | if ($2 ~ /[^2367]$/) { | |
76 | print "\tRoot umask is other writeable" | |
77 | } | |
78 | }' | sort -u | |
79 | SAVE_PATH=$PATH | |
80 | unset PATH | |
81 | /bin/csh -f -s << end-of-csh > /dev/null 2>&1 | |
82 | source $i | |
83 | /bin/ls -ldgT \$path > $TMP1 | |
84 | end-of-csh | |
85 | export PATH=$SAVE_PATH | |
86 | if [ -f $TMP1 ]; then | |
87 | awk '{ | |
88 | if ($10 ~ /^\.$/) { | |
89 | print "\tThe root path includes ."; | |
90 | next; | |
91 | } | |
92 | } | |
93 | $1 ~ /^d....w/ \ | |
94 | { print "\tRoot path directory " $10 " is group writeable." } \ | |
95 | $1 ~ /^d.......w/ \ | |
96 | { print "\tRoot path directory " $10 " is other writeable." }' \ | |
97 | < $TMP1 | |
98 | fi | |
99 | fi | |
100 | done > $OUTPUT | |
101 | ||
102 | if [ $umaskset = "no" -o -s $OUTPUT ] ; then | |
103 | printf "\nChecking root csh paths, umask values:\n$list\n\n" | |
104 | if [ -s $OUTPUT ]; then | |
105 | cat $OUTPUT | |
106 | fi | |
107 | if [ $umaskset = "no" ] ; then | |
108 | printf "\tRoot csh startup files do not set the umask.\n" | |
109 | fi | |
110 | fi | |
111 | fi | |
112 | ||
113 | umaskset=no | |
114 | list="/etc/profile ${rhome}/.profile `/bin/ls /etc/profile.d/*.sh`" | |
115 | for i in $list; do | |
116 | if [ -f $i ] ; then | |
117 | if egrep '^[^#]*(umask)' $i > /dev/null ; then | |
118 | umaskset=yes | |
119 | fi | |
120 | egrep '^[^#]*(umask)' $i | | |
121 | awk '$2 ~ /^.$/ || $2 ~ /[^2367].$/ \ | |
122 | { print "\tRoot umask is group writeable" } \ | |
123 | $2 ~ /[^2367]$/ \ | |
124 | { print "\tRoot umask is other writeable" }' | |
125 | SAVE_PATH=$PATH | |
126 | unset PATH | |
127 | /bin/sh << end-of-sh > /dev/null 2>&1 | |
128 | . $i | |
129 | list=\`echo \$PATH | /usr/bin/sed -e \ | |
130 | 's/^:/.:/;s/:$/:./;s/::/:.:/g;s/:/ /g'\` | |
131 | /bin/ls -ldgT \$list > $TMP1 | |
132 | end-of-sh | |
133 | export PATH=$SAVE_PATH | |
134 | awk '{ | |
135 | if ($10 ~ /^\.$/) { | |
136 | print "\tThe root path includes ."; | |
137 | next; | |
138 | } | |
139 | } | |
140 | $1 ~ /^d....w/ \ | |
141 | { print "\tRoot path directory " $10 " is group writeable." } \ | |
142 | $1 ~ /^d.......w/ \ | |
143 | { print "\tRoot path directory " $10 " is other writeable." }' \ | |
144 | < $TMP1 | |
145 | fi | |
146 | done > $OUTPUT | |
147 | ||
148 | if [ $umaskset = "no" -o -s $OUTPUT ] ; then | |
149 | printf "\nChecking root sh paths, umask values:\n$list\n" | |
150 | if [ -s $OUTPUT ]; then | |
151 | cat $OUTPUT | |
152 | fi | |
153 | if [ $umaskset = "no" ] ; then | |
154 | printf "\tRoot sh startup files do not set the umask.\n" | |
155 | fi | |
156 | fi | |
157 |