3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
5
# Copyright © 2008-2013 Teddy Hogeborn
6
# Copyright © 2008-2013 Björn Påhlsson
5
# Copyright © 2008 Teddy Hogeborn & Björn Påhlsson
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
18
17
# You should have received a copy of the GNU General Public License
19
18
# along with this program. If not, see <http://www.gnu.org/licenses/>.
21
# Contact the authors at <mandos@recompile.se>.
20
# Contact the authors at <mandos@fukt.bsnet.se>.
26
25
KEYDIR="/etc/keys/mandos"
31
30
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
32
KEYCOMMENT="Mandos client key"
36
35
KEYCOMMENT_ORIG="$KEYCOMMENT"
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 \
43
TEMP=`getopt --options vhd:t:l:n:e:c:x:f \
44
--longoptions version,help,password,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force \
46
45
--name "$0" -- "$@"`
54
53
$basename [ OPTIONS ]
55
54
Encrypted password creation:
56
55
$basename { -p | --password } [ --name NAME ] [ --dir DIR]
57
$basename { -F | --passfile } FILE [ --name NAME ] [ --dir DIR]
59
57
Key creation options:
60
58
-v, --version Show program's version number and exit
61
59
-h, --help Show this help message and exit
62
60
-d DIR, --dir DIR Target directory for key files
63
-t TYPE, --type TYPE Key type. Default is RSA.
61
-t TYPE, --type TYPE Key type. Default is DSA.
64
62
-l BITS, --length BITS
65
Key length in bits. Default is 4096.
63
Key length in bits. Default is 2048.
66
64
-s TYPE, --subtype TYPE
67
Subkey type. Default is RSA.
65
Subkey type. Default is ELG-E.
68
66
-L BITS, --sublength BITS
69
Subkey length in bits. Default is 4096.
67
Subkey length in bits. Default is 2048.
70
68
-n NAME, --name NAME Name of key. Default is the FQDN.
71
69
-e ADDRESS, --email ADDRESS
72
70
Email address of key. Default is empty.
73
71
-c TEXT, --comment TEXT
74
Comment field for key. The default is empty.
72
Comment field for key. The default value is
75
74
-x TIME, --expire TIME
76
75
Key expire time. Default is no expiration.
77
76
See gpg(1) for syntax.
78
-f, --force Force overwriting old key files.
77
-f, --force Force overwriting old keys.
80
79
Password creation options:
81
-p, --password Create an encrypted password using the key in
82
the key directory. All options other than
83
--dir and --name are ignored.
84
-F FILE, --passfile FILE
85
Encrypt a password from FILE using the key in
80
-p, --password Create an encrypted password using the keys in
86
81
the key directory. All options other than
87
82
--dir and --name are ignored.
94
89
-p|--password) mode=password; shift;;
95
-F|--passfile) mode=password; PASSFILE="$2"; shift 2;;
96
90
-d|--dir) KEYDIR="$2"; shift 2;;
97
91
-t|--type) KEYTYPE="$2"; shift 2;;
98
92
-s|--subtype) SUBKEYTYPE="$2"; shift 2;;
191
185
shred --remove \"$RINGDIR\"/sec*;
192
186
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
193
187
rm --recursive --force \"$RINGDIR\";
194
tty --quiet && stty echo; \
201
193
if [ "$mode" = keygen ]; then
203
195
cat >"$BATCHFILE" <<-EOF
204
196
Key-Type: $KEYTYPE
205
197
Key-Length: $KEYLENGTH
198
#Key-Usage: encrypt,sign,auth
207
199
Subkey-Type: $SUBKEYTYPE
208
200
Subkey-Length: $SUBKEYLENGTH
209
Subkey-Usage: encrypt
201
#Subkey-Usage: encrypt,sign,auth
210
202
Name-Real: $KEYNAME
223
Note: Due to entropy requirements, key generation could take
224
anything from a few minutes to SEVERAL HOURS. Please be
225
patient and/or supply the system with more entropy if needed.
231
213
# Generate a new key in the key rings
232
214
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
233
215
--homedir "$RINGDIR" --trust-model always \
234
216
--gen-key "$BATCHFILE"
235
217
rm --force "$BATCHFILE"
242
219
# Backup any old key files
243
220
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
244
221
2>/dev/null; then
258
235
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
261
# Export key from key rings to key files
238
# Export keys from key rings to key files
262
239
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
263
240
--homedir "$RINGDIR" --armor --export-options export-minimal \
264
241
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
271
248
if [ "$mode" = password ]; then
272
# Import key into temporary key rings
249
# Import keys into temporary key rings
273
250
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
274
251
--homedir "$RINGDIR" --trust-model always --armor \
275
252
--import "$SECKEYFILE"
289
266
FILECOMMENT="Encrypted password for a Mandos client"
291
while [ ! -s "$SECFILE" ]; do
292
if [ -n "$PASSFILE" ]; then
295
tty --quiet && stty -echo
296
echo -n "Enter passphrase: " >&2
298
tty --quiet && echo >&2
299
echo -n "Repeat passphrase: " >&2
305
if [ "$first" != "$second" ]; then
306
echo "Passphrase mismatch" >&2
307
touch "$RINGDIR"/mismatch
311
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
312
--homedir "$RINGDIR" --trust-model always --armor \
313
--encrypt --sign --recipient "$FINGERPRINT" --comment \
314
"$FILECOMMENT" > "$SECFILE"
315
if [ -e "$RINGDIR"/mismatch ]; then
316
rm --force "$RINGDIR"/mismatch
269
echo -n "Enter passphrase: " >&2
270
head --lines=1 | tr --delete '\n' \
271
| gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
272
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
273
--recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
328
281
fingerprint = $FINGERPRINT
331
284
sed --quiet --expression='
332
285
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{