blob: 4f84021dd32a40e49179c0a2d228d00fe0631fbf (
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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
#!/bin/bash
CONFIGFILE="/etc/default/dnscrypt-wrapper"
DAEMON="/usr/bin/dnscrypt-wrapper"
. $CONFIGFILE
start_instance() {
if [ -z ${PIDFILE[$1]} ]; then
echo "No configuration for instance $1 found!"
return
fi
if [ -r ${PIDFILE[$1]} ]; then
PID=$(cat ${PIDFILE[$1]})
if [ -z "$PID" ] || ! kill -0 $PID ; then
echo "Removing stale PID file..."
rm -f ${PIDFILE[$1]}
else
echo "dnscrypt-wrapper (instance $1) already running!"
return
fi
fi
# dnscrypt-wrapper will NOT work without this. /dev/urandom is required in
# the chroot.
if [ -n "${CHROOTDIR[$1]}" ]; then
if [ "$(readlink -f ${CHROOTDIR[$1]})" != "/" ]; then
if [ ! -d ${CHROOTDIR[$1]} ]; then
mkdir -p ${CHROOTDIR[$1]}
chmod 755 ${CHROOTDIR[$1]}
fi
if [ ! -d ${CHROOTDIR[$1]}/dev ]; then
mkdir -p ${CHROOTDIR[$1]}/dev
chmod 755 ${CHROOTDIR[$1]}/dev
fi
if [ ! -c ${CHROOTDIR[$1]}/dev/urandom ]; then
mknod -m 666 ${CHROOTDIR[$1]}/dev/urandom c 1 9
fi
fi
fi
OPTIONS="-d"
if [ -n "${LISTENADDRESS[$1]}" ]; then
OPTIONS="${OPTIONS} --listen-address=${LISTENADDRESS[$1]}"
fi
if [ -n "${PIDFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --pidfile=${PIDFILE[$1]}"
fi
if [ -n "${USER[$1]}" ]; then
OPTIONS="${OPTIONS} --user=${USER[$1]}"
fi
if [ -n "${DNSCRYPTDIR[$1]}" ]; then
OPTIONS="${OPTIONS} --crypt-publickey-file=${DNSCRYPTDIR[$1]}/crypt_public.key"
OPTIONS="${OPTIONS} --crypt-secretkey-file=${DNSCRYPTDIR[$1]}/crypt_secret.key"
OPTIONS="${OPTIONS} --provider-publickey-file=${DNSCRYPTDIR[$1]}/public.key"
OPTIONS="${OPTIONS} --provider-secretkey-file=${DNSCRYPTDIR[$1]}/secret.key"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTPUBLICKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --crypt-publickey-file=${CRYPTPUBLICKEYFILE[$1]}"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTSECRETKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --crypt-secretkey-file=${CRYPTSECRETKEYFILE[$1]}"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERPUBLICKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --provider-publickey-file=${PROVIDERPUBLICKEYFILE[$1]}"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERSECRETKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --provider-secretkey-file=${PROVIDERSECRETKEYFILE[$1]}"
fi
if [ -n "${RESOLVERADDRESS[$1]}" ]; then
OPTIONS="${OPTIONS} --resolver-address=${RESOLVERADDRESS[$1]}"
fi
if [ -n "${PROVIDERNAME[$1]}" ]; then
OPTIONS="${OPTIONS} --provider-name=${PROVIDERNAME[$1]}"
fi
if [ -n "${PROVIDERCERTFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --provider-cert-file=${PROVIDERCERTFILE[$1]}"
fi
if [ -n "${LOGFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --logfile=${LOGFILE[$1]}"
fi
$DAEMON $OPTIONS
}
stop_instance() {
if [ -z ${PIDFILE[$1]} ]; then
echo "No configuration for instance $1 found!"
return
fi
if [ ! -r ${PIDFILE[$1]} ]; then
echo "dnscrypt-wrapper (instance $1) is not running!"
return
fi
echo "Stopping dnscrypt-wrapper (instance $1)..."
kill $(cat ${PIDFILE[$1]})
rm -f ${PIDFILE[$1]}
}
status_instance() {
if [ -z ${PIDFILE[$1]} ]; then
echo "No configuration for instance $1 found!"
return
fi
if [ ! -r ${PIDFILE[$1]} ]; then
echo "dnscrypt-wrapper (instance $1) is not running."
return
fi
PID=$(cat ${PIDFILE[$1]})
if [ -z "$PID" ]; then
echo "PID file is empty! dnscrypt-wrapper (instance $1) does not appear to be running, but there is a stale PID file."
elif kill -0 $PID ; then
echo "dnscrypt-wrapper (instance $1) is running."
else
echo "dnscrypt-wrapper (instance $1) is not running, but there is a stale PID file."
fi
}
generate-keys_instance() {
if [ -z ${PIDFILE[$1]} ]; then
echo "No configuration for instance $1 found!"
return
fi
if [ -z ${DNSCRYPTDIR[$1]} ]; then
echo "DNSCRYPTDIR not set for instance $1! Either set DNSCRYPTDIR or generate keys manually."
return
fi
(
echo "Generating keys for instance $1. You should record the fingerprint, since this will be used by clients."
cd ${DNSCRYPTDIR[$1]}
rm -f crypt_secret.key crypt_public.key public.key secret.key
$DAEMON --gen-provider-keypair
$DAEMON --gen-crypt-keypair
chmod 0600 crypt_secret.key crypt_public.key public.key secret.key
)
}
generate-cert_instance() {
if [ -z ${PIDFILE[$1]} ]; then
echo "No configuration for instance $1 found!"
return
fi
if [ -z ${PROVIDERCERTFILE[$1]} ]; then
echo "PROVIDERCERTFILE for instance $1 not set! Set PROVIDERCERTFILE before generating a certificate."
return
fi
OPTIONS=""
if [ -n "${DNSCRYPTDIR[$1]}" ]; then
OPTIONS="${OPTIONS} --crypt-publickey-file=${DNSCRYPTDIR[$1]}/crypt_public.key"
OPTIONS="${OPTIONS} --crypt-secretkey-file=${DNSCRYPTDIR[$1]}/crypt_secret.key"
OPTIONS="${OPTIONS} --provider-publickey-file=${DNSCRYPTDIR[$1]}/public.key"
OPTIONS="${OPTIONS} --provider-secretkey-file=${DNSCRYPTDIR[$1]}/secret.key"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTPUBLICKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --crypt-publickey-file=${CRYPTPUBLICKEYFILE[$1]}"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTSECRETKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --crypt-secretkey-file=${CRYPTSECRETKEYFILE[$1]}"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERPUBLICKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --provider-publickey-file=${PROVIDERPUBLICKEYFILE[$1]}"
fi
if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERSECRETKEYFILE[$1]}" ]; then
OPTIONS="${OPTIONS} --provider-secretkey-file=${PROVIDERSECRETKEYFILE[$1]}"
fi
(
echo "Generating certificate for instance $1."
mkdir /tmp/dnscrypt-wrapper-$$
cd /tmp/dnscrypt-wrapper-$$
$DAEMON $OPTIONS --gen-cert-file
chmod 0600 dnscrypt.cert
mv -f dnscrypt.cert ${PROVIDERCERTFILE[$1]}
cd /
rmdir /tmp/dnscrypt-wrapper-$$
)
}
start() {
for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
do
start_instance $i
done
}
stop() {
for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
do
stop_instance $i
done
}
status() {
for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
do
status_instance $i
done
}
generate-keys() {
for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
do
generate-keys_instance $i
done
}
generate-cert() {
for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
do
generate-cert_instance $i
done
}
case "$1" in
'start')
start
;;
'stop')
stop
;;
'restart')
stop
start
;;
'status')
status
;;
'generate-keys')
generate-keys
;;
'generate-cert')
generate-cert
;;
*_start)
INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
start_instance $INSTANCE
;;
*_stop)
INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
stop_instance $INSTANCE
;;
*_restart)
INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
stop_instance $INSTANCE
sleep 1
start_instance $INSTANCE
;;
*_status)
INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
status_instance $INSTANCE
;;
*_generate-keys)
INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
generate-keys_instance $INSTANCE
;;
*_generate-cert)
INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
generate-cert_instance $INSTANCE
;;
*)
echo "Usage: $0 {start|stop|restart|status|generate-keys|generate-cert|#_start|#_stop|#_restart|#_status|#_generate-keys|#_generate-cert}"
exit 1
;;
esac
|
