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 | MP=/etc/passwd | |
36 | LANG=C; export LANG | |
37 | ||
38 | SECUREDIR=`mktemp -d /tmp/_securedir.XXXXXX` || exit 1 | |
39 | ||
40 | trap "/bin/rm -rf $SECUREDIR ; exit 0" EXIT INT QUIT PIPE | |
41 | ||
42 | if ! cd "$SECUREDIR"; then | |
43 | echo "Can not cd to $SECUREDIR". | |
44 | exit 1 | |
45 | fi | |
46 | ||
47 | MPBYPATH=secure1.$$ | |
48 | OUTPUT=secure2.$$ | |
49 | ||
50 | ||
51 | # These are used several times. | |
52 | # | |
53 | awk -F: '{ print $1 " " $6 }' $MP | sort -k2 > $MPBYPATH | |
54 | ||
55 | ||
56 | # Check home directories. Directories should not be owned by someone else | |
57 | # or writeable. | |
58 | # | |
59 | while read uid homedir; do | |
60 | if [ -d ${homedir}/ ] ; then | |
61 | file=`/bin/ls -ld ${homedir}` | |
62 | printf -- "$uid $file\n" | |
63 | fi | |
64 | done < $MPBYPATH | | |
65 | awk '$1 != $4 && $4 != "root" { printf "\tuser %s home directory is owned by %s.\n", $1, $4 } | |
66 | $2 ~ /^.....w/ { printf "\tuser %s home directory %s is group writeable.\n", $1, $10 } | |
67 | $2 ~ /^........w/ { printf "\tuser %s home directory %s is other writeable.\n", $1, $10 }' \ | |
68 | > $OUTPUT | |
69 | if [ -s $OUTPUT ] ; then | |
70 | printf "\nChecking home directories.\n" | |
71 | cat $OUTPUT | |
72 | fi | |
73 | ||
74 | # Files that should not be owned by someone else or readable. | |
75 | list=".Xauthority .netrc .ssh/id_dsa .ssh/id_rsa .ssh/identity" | |
76 | while read uid homedir; do | |
77 | for f in $list ; do | |
78 | file=${homedir}/${f} | |
79 | if [ -f $file ] ; then | |
80 | printf -- "$uid $f `/bin/ls -ld $file`\n" | |
81 | fi | |
82 | done | |
83 | done < $MPBYPATH | | |
84 | awk '$1 != $5 && $5 != "root" { printf "\tuser %s %s file is owned by %s.\n", $1, $2, $5 } | |
85 | $3 ~ /^....r/ { printf "\tuser %s %s file is group readable.\n", $1, $2 } | |
86 | $3 ~ /^.......r/ { printf "\tuser %s %s file is other readable.\n", $1, $2 } | |
87 | $3 ~ /^.....w/ { printf "\tuser %s %s file is group writeable.\n", $1, $2 } | |
88 | $3 ~ /^........w/ { printf "\tuser %s %s file is other writeable.\n", $1, $2 }' \ | |
89 | > $OUTPUT | |
90 | # Files that should not be owned by someone else or writeable. | |
91 | list=".bash_history .bash_login .bash_logout .bash_profile .bashrc \ | |
92 | .cshrc .emacs .exrc .forward .history .klogin .login .logout \ | |
93 | .profile .qmail .rc_history .rhosts .shosts ssh .tcshrc .twmrc \ | |
94 | .xinitrc .xsession .ssh/authorized_keys .ssh/authorized_keys2 \ | |
95 | .ssh/config .ssh/id_dsa.pub .ssh/id_rsa.pub .ssh/identity.pub \ | |
96 | .ssh/known_hosts .ssh/known_hosts2" | |
97 | while read uid homedir; do | |
98 | for f in $list ; do | |
99 | file=${homedir}/${f} | |
100 | if [ -f $file ] ; then | |
101 | printf -- "$uid $f `/bin/ls -ld $file`\n" | |
102 | fi | |
103 | done | |
104 | done < $MPBYPATH | | |
105 | awk '$1 != $5 && $5 != "root" { printf "\tuser %s %s file is owned by %s.\n", $1, $2, $5 } | |
106 | $3 ~ /^.....w/ { printf "\tuser %s %s file is group writeable.\n", $1, $2 } | |
107 | $3 ~ /^........w/ { printf "\tuser %s %s file is other writeable.\n", $1, $2 }' \ | |
108 | >> $OUTPUT | |
109 | if [ -s $OUTPUT ] ; then | |
110 | printf "\nChecking dot files.\n" | |
111 | cat $OUTPUT | |
112 | fi | |
113 | ||
114 |