blob: 891ebf1611f1ff0bc065acb38db9387549fe8aeb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
#
# Security level implementation...
# Writen by Vandoorselaere Yoann <yoann@mandrakesoft.com>
#
# Need root access
if [[ ${UID} != 0 ]]; then
echo "You need to be root in order to change secure level."
exit 1
fi
COMMENT="# Mandrake-Security : if you remove this comment, remove the next line too."
WaitAnswer() {
answer="nothing"
while [[ ${answer} != yes && ${answer} != no ]]; do
echo -n "yes/no : "
read answer
done
}
AddRules() {
string=$1
file=$2
quiet=$3
if [[ -z ${string} ]]; then
return;
fi
if [[ -z ${quiet} ]]; then
echo "Modifying config in ${file}..."
fi
if ! grep -Eqx "^${string}" ${file}; then
echo -e "${COMMENT}" >> ${file};
echo -e "${string}" >> ${file};
fi
if [[ -z ${3} ]]; then
echo -e "done.\n"
fi
}
AddBegRules() {
string=$1
file=$2
quiet=$3
ctrl=0
if [[ -z ${string} ]]; then
return;
fi
if [[ -z ${quiet} ]]; then
echo "Modifying config in ${file}..."
fi
cp -f ${file} /tmp/secure.tmp
if ! grep -Eqx "^${string}" /tmp/secure.tmp; then
echo -e "${COMMENT}" > ${file};
echo -e "${string}" >> ${file};
fi
cat /tmp/secure.tmp >> ${file}
if [[ -z ${3} ]]; then
echo -e "done.\n"
fi
}
CleanRules() {
file=$1
ctrl=0
if [[ ! -f ${file} ]]; then
return;
fi
echo -en "\t- Cleaning msec appended line in ${file} : "
cp -f ${file} /tmp/secure.tmp
while read line; do
if [[ ${ctrl} == 1 ]]; then
ctrl=0
continue;
fi
if echo "${line}" | grep -qx "${COMMENT}"; then
ctrl=1
fi
if [[ ${ctrl} == 0 ]]; then
echo "${line}" > ${file}
fi
done < /tmp/secure.tmp
rm -f /tmp/secure.tmp
echo "done."
}
CommentUserRules() {
file=$1
if [[ ! -f ${file} ]]; then
return;
fi
echo -en "\t- Cleaning user appended line in ${file} : "
cp -f ${file} /tmp/secure.tmp
while read line; do
if ! echo "${line}" | grep -qE "^#"; then
echo "# ${line}" > ${file}
fi
done < /tmp/secure.tmp
rm -f /tmp/secure.tmp
echo "done."
}
Syslog() {
if [[ ${SYSLOG_WARN} == yes ]]; then
/sbin/initlog --string=${1}
fi
}
Ttylog() {
if [[ ${TTY_WARN} == yes ]]; then
w | grep -v "load\|TTY" | awk '{print $2}' | while read line; do
echo -e ${1} > /dev/$i
done
fi
}
LiloUpdate() {
if [[ ! -f /tmp/secure.DrakX ]]; then
echo "Do you want a password authentication at boot time ?"
echo "Be very carefull,"
echo "this will prevent your server to reboot without an operator to enter password".
WaitAnswer;
if [[ ${answer} == yes ]]; then
echo -n "Please enter the password which will be used at boot time : "
read password
else
password=""
fi
else
password=${DRAKX_PASSWORD}
fi
if [[ ! -z "${password}" ]]; then
cp -f /etc/lilo.conf /tmp/secure.tmp
while read line; do
if ! echo "${line}" | grep -q "password"; then
echo "${line}" > /etc/lilo.conf
fi
done < /tmp/secure.tmp
rm -f /tmp/secure.tmp
clear
AddRules "password=$password" /etc/lilo.conf
fi
}
# If we are currently installing our
# system with DrakX, we don't ask anything to the user...
# Instead, DrakX do it and give us a file with some variable.
if [[ -f /tmp/secure.DrakX ]]; then
. /tmp/secure.DrakX
AddRules "${DRAKX_USERS}" /etc/security/msec/security.conf
fi
if [[ -f /etc/security/msec/security.conf ]]; then
. /etc/security/msec/security.conf
fi
clear
echo "Preparing to run security script : "
CleanRules /etc/inittab
CleanRules /etc/syslog.conf
CleanRules /etc/hosts.deny
CommentUserRules /etc/hosts.deny
CleanRules /etc/hosts.allow
CommentUserRules /etc/hosts.allow
CleanRules /etc/securetty
CommentUserRules /etc/securetty
CleanRules /etc/security/msec/security.conf
CommentUserRules /etc/security/msec/security.conf
CleanRules /etc/profile
CleanRules /etc/lilo.conf
CleanRules /etc/rc.d/rc.firewall
CleanRules /etc/crontab
CleanRules /etc/security/msec/security.users
CleanRules /etc/X11/xdm/Xsession
CleanRules /etc/X11/xinit/xinitrc
echo -e "\nStarting to reconfigure the system : "
# For all secure level
echo "Setting spoofing protection : "
AddRules "echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter" /etc/rc.d/rc.firewall
# default group which must exist on the system
groupadd nogroup >& /dev/null
groupadd audio >& /dev/null
groupadd xgrp >& /dev/null
usermod -G xgrp xfs
/etc/security/msec/init-sh/grpuser.sh --clean
|
