To get this branch, use:
bzr branch
http://bzr.recompile.se/loggerhead/mandos/trunk
« back to all changes in this revision
Viewing changes to mandos-keygen
- browse files at revision 95
- compare with another revision
- download diff
- download tarball
- view history from revision 95
- Committer: Teddy Hogeborn
- Date: 2008-08-23 07:17:28 UTC
- Revision ID: teddy@fukt.bsnet.se-20080823071728-wo1k2mtbje5910np
* Makefile (MANPOST): Bug fix: corrected patterns.
* mandos-options.xml: Bug fix: also change root node tag name in
DOCTYPE declaration.
(interface, address): Improved wording.
* overview.xml: Changed "host computer" to "computer".
* mandos-options.xml: Bug fix: also change root node tag name in
DOCTYPE declaration.
(interface, address): Improved wording.
* overview.xml: Changed "host computer" to "computer".
- files added:
- plugins.d/usplash
- files removed:
- .bzr-builddeb
- debian
- debian/po
- files renamed:
- plugins.d/mandos-client.c => plugins.d/password-request.c
- plugins.d/mandos-client.xml => plugins.d/password-request.xml
- files modified:
- Makefile
added
removed
mandos-keygen
2
2
#
3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
4
4
#
5
# Copyright © 2008-2010 Teddy Hogeborn
6
# Copyright © 2008-2010 Björn Påhlsson
5
# Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
7
6
#
8
7
# This program is free software: you can redistribute it and/or modify
9
8
# it under the terms of the GNU General Public License as published by
21
20
# Contact the authors at <mandos@fukt.bsnet.se>.
22
21
#
23
22
24
VERSION="1.0.14"
23
VERSION="1.0"
25
24
26
KEYDIR="/etc/keys/mandos"
25
KEYDIR="/etc/mandos"
27
26
KEYTYPE=DSA
28
KEYLENGTH=2048
29
SUBKEYTYPE=ELG-E
30
SUBKEYLENGTH=2048
31
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
27
KEYLENGTH=1024
28
KEYNAME="`hostname --fqdn`"
32
29
KEYEMAIL=""
33
30
KEYCOMMENT="Mandos client key"
34
31
KEYEXPIRE=0
35
32
FORCE=no
36
33
KEYCOMMENT_ORIG="$KEYCOMMENT"
37
mode=keygen
38
39
if [ ! -d "$KEYDIR" ]; then
40
KEYDIR="/etc/mandos/keys"
41
fi
42
34
43
35
# Parse options
44
TEMP=`getopt --options vhpF:d:t:l:s:L:n:e:c:x:f \
45
--longoptions version,help,password,passfile:,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force \
36
TEMP=`getopt --options vhd:t:l:n:e:c:x:f \
37
--longoptions version,help,dir:,type:,length:,name:,email:,comment:,expire:,force \
46
38
--name "$0" -- "$@"`
47
39
48
40
help(){
49
basename="`basename $0`"
50
41
cat <<EOF
51
Usage: $basename [ -v | --version ]
52
$basename [ -h | --help ]
53
Key creation:
54
$basename [ OPTIONS ]
55
Encrypted password creation:
56
$basename { -p | --password } [ --name NAME ] [ --dir DIR]
57
$basename { -F | --passfile } FILE [ --name NAME ] [ --dir DIR]
42
Usage: `basename $0` [options]
58
43
59
Key creation options:
44
Options:
60
45
-v, --version Show program's version number and exit
61
46
-h, --help Show this help message and exit
62
47
-d DIR, --dir DIR Target directory for key files
63
48
-t TYPE, --type TYPE Key type. Default is DSA.
64
49
-l BITS, --length BITS
65
Key length in bits. Default is 2048.
66
-s TYPE, --subtype TYPE
67
Subkey type. Default is ELG-E.
68
-L BITS, --sublength BITS
69
Subkey length in bits. Default is 2048.
50
Key length in bits. Default is 1024.
70
51
-n NAME, --name NAME Name of key. Default is the FQDN.
71
-e ADDRESS, --email ADDRESS
52
-e EMAIL, --email EMAIL
72
53
Email address of key. Default is empty.
73
-c TEXT, --comment TEXT
54
-c COMMENT, --comment COMMENT
74
55
Comment field for key. The default value is
75
56
"Mandos client key".
76
57
-x TIME, --expire TIME
77
58
Key expire time. Default is no expiration.
78
59
See gpg(1) for syntax.
79
-f, --force Force overwriting old key files.
80
81
Password creation options:
82
-p, --password Create an encrypted password using the key in
83
the key directory. All options other than
84
--dir and --name are ignored.
85
-F FILE, --passfile FILE
86
Encrypt a password from FILE using the key in
87
the key directory. All options other than
88
--dir and --name are ignored.
60
-f, --force Force overwriting old keys.
89
61
EOF
90
62
}
91
63
92
64
eval set -- "$TEMP"
93
65
while :; do
94
66
case "$1" in
95
-p|--password) mode=password; shift;;
96
-F|--passfile) mode=password; PASSFILE="$2"; shift 2;;
97
67
-d|--dir) KEYDIR="$2"; shift 2;;
98
68
-t|--type) KEYTYPE="$2"; shift 2;;
99
-s|--subtype) SUBKEYTYPE="$2"; shift 2;;
100
69
-l|--length) KEYLENGTH="$2"; shift 2;;
101
-L|--sublength) SUBKEYLENGTH="$2"; shift 2;;
102
70
-n|--name) KEYNAME="$2"; shift 2;;
103
71
-e|--email) KEYEMAIL="$2"; shift 2;;
104
72
-c|--comment) KEYCOMMENT="$2"; shift 2;;
119
87
PUBKEYFILE="$KEYDIR/pubkey.txt"
120
88
121
89
# Check for some invalid values
122
if [ ! -d "$KEYDIR" ]; then
90
if [ -d "$KEYDIR" ]; then :; else
123
91
echo "$KEYDIR not a directory" >&2
124
92
exit 1
125
93
fi
126
if [ ! -r "$KEYDIR" ]; then
127
echo "Directory $KEYDIR not readable" >&2
128
exit 1
129
fi
130
131
if [ "$mode" = keygen ]; then
132
if [ ! -w "$KEYDIR" ]; then
133
echo "Directory $KEYDIR not writeable" >&2
134
exit 1
135
fi
136
if [ -z "$KEYTYPE" ]; then
137
echo "Empty key type" >&2
138
exit 1
139
fi
140
141
if [ -z "$KEYNAME" ]; then
142
echo "Empty key name" >&2
143
exit 1
144
fi
145
146
if [ -z "$KEYLENGTH" ] || [ "$KEYLENGTH" -lt 512 ]; then
147
echo "Invalid key length" >&2
148
exit 1
149
fi
150
151
if [ -z "$KEYEXPIRE" ]; then
152
echo "Empty key expiration" >&2
153
exit 1
154
fi
155
156
# Make FORCE be 0 or 1
157
case "$FORCE" in
158
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) FORCE=1;;
159
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) FORCE=0;;
160
esac
161
162
if [ \( -e "$SECKEYFILE" -o -e "$PUBKEYFILE" \) \
163
-a "$FORCE" -eq 0 ]; then
164
echo "Refusing to overwrite old key files; use --force" >&2
165
exit 1
166
fi
167
168
# Set lines for GnuPG batch file
169
if [ -n "$KEYCOMMENT" ]; then
170
KEYCOMMENTLINE="Name-Comment: $KEYCOMMENT"
171
fi
172
if [ -n "$KEYEMAIL" ]; then
173
KEYEMAILLINE="Name-Email: $KEYEMAIL"
174
fi
175
176
# Create temporary gpg batch file
177
BATCHFILE="`mktemp -t mandos-keygen-batch.XXXXXXXXXX`"
178
fi
179
180
if [ "$mode" = password ]; then
181
# Create temporary encrypted password file
182
SECFILE="`mktemp -t mandos-keygen-secfile.XXXXXXXXXX`"
183
fi
184
185
# Create temporary key ring directory
186
RINGDIR="`mktemp -d -t mandos-keygen-keyrings.XXXXXXXXXX`"
94
if [ -w "$KEYDIR" ]; then :; else
95
echo "Directory $KEYDIR not writeable" >&2
96
exit 1
97
fi
98
99
if [ -z "$KEYTYPE" ]; then
100
echo "Empty key type" >&2
101
exit 1
102
fi
103
104
if [ -z "$KEYNAME" ]; then
105
echo "Empty key name" >&2
106
exit 1
107
fi
108
109
if [ -z "$KEYLENGTH" ] || [ "$KEYLENGTH" -lt 512 ]; then
110
echo "Invalid key length" >&2
111
exit 1
112
fi
113
114
if [ -z "$KEYEXPIRE" ]; then
115
echo "Empty key expiration" >&2
116
exit 1
117
fi
118
119
# Make FORCE be 0 or 1
120
case "$FORCE" in
121
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) FORCE=1;;
122
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) FORCE=0;;
123
esac
124
125
if { [ -e "$SECKEYFILE" ] || [ -e "$PUBKEYFILE" ]; } \
126
&& [ "$FORCE" -eq 0 ]; then
127
echo "Refusing to overwrite old key files; use --force" >&2
128
exit 1
129
fi
130
131
# Set lines for GnuPG batch file
132
if [ -n "$KEYCOMMENT" ]; then
133
KEYCOMMENTLINE="Name-Comment: $KEYCOMMENT"
134
fi
135
if [ -n "$KEYEMAIL" ]; then
136
KEYEMAILLINE="Name-Email: $KEYEMAIL"
137
fi
138
139
# Create temp files
140
BATCHFILE="`mktemp -t mandos-gpg-batch.XXXXXXXXXX`"
141
SECRING="`mktemp -t mandos-gpg-secring.XXXXXXXXXX`"
142
PUBRING="`mktemp -t mandos-gpg-pubring.XXXXXXXXXX`"
187
143
188
144
# Remove temporary files on exit
189
145
trap "
190
set +e; \
191
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
192
shred --remove \"$RINGDIR\"/sec*;
193
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
194
rm --recursive --force \"$RINGDIR\";
195
stty echo; \
146
set +e
147
rm --force $PUBRING $BATCHFILE;
148
shred --remove $SECRING;
149
stty echo
196
150
" EXIT
197
151
198
umask 077
199
200
if [ "$mode" = keygen ]; then
201
# Create batch file for GnuPG
202
cat >"$BATCHFILE" <<-EOF
203
Key-Type: $KEYTYPE
204
Key-Length: $KEYLENGTH
205
#Key-Usage: encrypt,sign,auth
206
Subkey-Type: $SUBKEYTYPE
207
Subkey-Length: $SUBKEYLENGTH
208
#Subkey-Usage: encrypt,sign,auth
209
Name-Real: $KEYNAME
210
$KEYCOMMENTLINE
211
$KEYEMAILLINE
212
Expire-Date: $KEYEXPIRE
213
#Preferences: <string>
214
#Handle: <no-spaces>
215
#%pubring pubring.gpg
216
#%secring secring.gpg
217
%commit
218
EOF
219
220
if tty --quiet; then
221
cat <<-EOF
222
Note: Due to entropy requirements, key generation could take
223
anything from a few minutes to SEVERAL HOURS. Please be
224
patient and/or supply the system with more entropy if needed.
225
EOF
226
echo -n "Started: "
227
date
228
fi
229
230
# Generate a new key in the key rings
231
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
232
--homedir "$RINGDIR" --trust-model always \
233
--gen-key "$BATCHFILE"
234
rm --force "$BATCHFILE"
235
236
if tty --quiet; then
237
echo -n "Finished: "
238
date
239
fi
240
241
# Backup any old key files
242
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
243
2>/dev/null; then
244
shred --remove "$SECKEYFILE"
245
fi
246
if cp --backup=numbered --force "$PUBKEYFILE" "$PUBKEYFILE" \
247
2>/dev/null; then
248
rm --force "$PUBKEYFILE"
249
fi
250
251
FILECOMMENT="Mandos client key for $KEYNAME"
252
if [ "$KEYCOMMENT" != "$KEYCOMMENT_ORIG" ]; then
253
FILECOMMENT="$FILECOMMENT ($KEYCOMMENT)"
254
fi
255
256
if [ -n "$KEYEMAIL" ]; then
257
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
258
fi
259
260
# Export key from key rings to key files
261
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
262
--homedir "$RINGDIR" --armor --export-options export-minimal \
263
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
264
--export-secret-keys
265
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
266
--homedir "$RINGDIR" --armor --export-options export-minimal \
267
--comment "$FILECOMMENT" --output "$PUBKEYFILE" --export
268
fi
269
270
if [ "$mode" = password ]; then
271
# Import key into temporary key rings
272
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
273
--homedir "$RINGDIR" --trust-model always --armor \
274
--import "$SECKEYFILE"
275
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
276
--homedir "$RINGDIR" --trust-model always --armor \
277
--import "$PUBKEYFILE"
278
279
# Get fingerprint of key
280
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
281
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
282
--fingerprint --with-colons \
283
| sed --quiet \
284
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
285
286
test -n "$FINGERPRINT"
287
288
FILECOMMENT="Encrypted password for a Mandos client"
289
290
if [ -n "$PASSFILE" ]; then
291
cat "$PASSFILE"
292
else
293
stty -echo
294
echo -n "Enter passphrase: " >&2
295
first="$(head --lines=1 | tr --delete '\n')"
296
echo >&2
297
echo -n "Repeat passphrase: " >&2
298
second="$(head --lines=1 | tr --delete '\n')"
299
echo >&2
300
stty echo
301
if [ "$first" != "$second" ]; then
302
echo "Passphrase mismatch" >&2
303
touch "$RINGDIR"/mismatch
304
else
305
echo -n "$first"
306
fi
307
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
308
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
309
--sign --recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
310
> "$SECFILE"
311
if [ -e "$RINGDIR"/mismatch ]; then
312
rm --force "$RINGDIR"/mismatch
313
exit 1
314
fi
315
316
cat <<-EOF
317
[$KEYNAME]
318
host = $KEYNAME
319
fingerprint = $FINGERPRINT
320
secret =
321
EOF
322
sed --quiet --expression='
323
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
324
/^$/,${
325
# Remove 24-bit Radix-64 checksum
326
s/=....$//
327
# Indent four spaces
328
/^[^-]/s/^/ /p
329
}
330
}' < "$SECFILE"
331
fi
152
# Create batch file for GnuPG
153
cat >"$BATCHFILE" <<EOF
154
Key-Type: $KEYTYPE
155
Key-Length: $KEYLENGTH
156
#Key-Usage: encrypt,sign,auth
157
Name-Real: $KEYNAME
158
$KEYCOMMENTLINE
159
$KEYEMAILLINE
160
Expire-Date: $KEYEXPIRE
161
%pubring $PUBRING
162
%secring $SECRING
163
%commit
164
EOF
165
166
umask 027
167
168
# Generate a new key in the key rings
169
gpg --no-random-seed-file --quiet --batch --no-tty \
170
--no-default-keyring --no-options --batch \
171
--secret-keyring "$SECRING" --keyring "$PUBRING" \
172
--gen-key "$BATCHFILE"
173
rm --force "$BATCHFILE"
174
175
# Backup any old key files
176
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
177
2>/dev/null; then
178
shred --remove "$SECKEYFILE"
179
fi
180
if cp --backup=numbered --force "$PUBKEYFILE" "$PUBKEYFILE" \
181
2>/dev/null; then
182
rm --force "$PUBKEYFILE"
183
fi
184
185
FILECOMMENT="Mandos client key for $KEYNAME"
186
if [ "$KEYCOMMENT" != "$KEYCOMMENT_ORIG" ]; then
187
FILECOMMENT="$FILECOMMENT ($KEYCOMMENT)"
188
fi
189
190
if [ -n "$KEYEMAIL" ]; then
191
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
192
fi
193
194
# Export keys from key rings to key files
195
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
196
--no-default-keyring --no-options --secret-keyring "$SECRING" \
197
--keyring "$PUBRING" --export-options export-minimal \
198
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
199
--export-secret-keys
200
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
201
--no-default-keyring --no-options --secret-keyring "$SECRING" \
202
--keyring "$PUBRING" --export-options export-minimal \
203
--comment "$FILECOMMENT" --output "$PUBKEYFILE" \
204
--export
332
205
333
206
trap - EXIT
334
207
335
set +e
336
# Remove the password file, if any
337
if [ -n "$SECFILE" ]; then
338
shred --remove "$SECFILE"
339
fi
340
208
# Remove the key rings
341
shred --remove "$RINGDIR"/sec*
342
rm --recursive --force "$RINGDIR"
209
shred --remove "$SECRING"
210
rm --force "$PUBRING"
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0