3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
5
# Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
5
# Copyright © 2008-2017 Teddy Hogeborn
6
# Copyright © 2008-2017 Björn Påhlsson
7
8
# This program is free software: you can redistribute it and/or modify
8
9
# it under the terms of the GNU General Public License as published by
17
18
# You should have received a copy of the GNU General Public License
18
19
# along with this program. If not, see <http://www.gnu.org/licenses/>.
20
# Contact the authors at <mandos@fukt.bsnet.se>.
21
# Contact the authors at <mandos@recompile.se>.
25
26
KEYDIR="/etc/keys/mandos"
30
KEYNAME="`hostname --fqdn`"
31
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
32
KEYCOMMENT="Mandos client key"
35
37
KEYCOMMENT_ORIG="$KEYCOMMENT"
40
if [ ! -d "$KEYDIR" ]; then
41
KEYDIR="/etc/mandos/keys"
39
TEMP=`getopt --options vhd:t:l:n:e:c:x:f \
40
--longoptions version,help,password,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force \
45
TEMP=`getopt --options vhpF:d:t:l:s:L:n:e:c:x:fS \
46
--longoptions version,help,password,passfile:,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force,no-ssh \
41
47
--name "$0" -- "$@"`
44
basename="`basename $0`"
50
basename="`basename "$0"`"
46
52
Usage: $basename [ -v | --version ]
47
53
$basename [ -h | --help ]
49
55
$basename [ OPTIONS ]
50
56
Encrypted password creation:
51
57
$basename { -p | --password } [ --name NAME ] [ --dir DIR]
58
$basename { -F | --passfile } FILE [ --name NAME ] [ --dir DIR]
53
60
Key creation options:
54
61
-v, --version Show program's version number and exit
55
62
-h, --help Show this help message and exit
56
63
-d DIR, --dir DIR Target directory for key files
57
-t TYPE, --type TYPE Key type. Default is DSA.
64
-t TYPE, --type TYPE Key type. Default is RSA.
58
65
-l BITS, --length BITS
59
Key length in bits. Default is 2048.
66
Key length in bits. Default is 4096.
60
67
-s TYPE, --subtype TYPE
61
Subkey type. Default is ELG-E.
68
Subkey type. Default is RSA.
62
69
-L BITS, --sublength BITS
63
Subkey length in bits. Default is 2048.
70
Subkey length in bits. Default is 4096.
64
71
-n NAME, --name NAME Name of key. Default is the FQDN.
65
72
-e ADDRESS, --email ADDRESS
66
73
Email address of key. Default is empty.
67
74
-c TEXT, --comment TEXT
68
Comment field for key. The default value is
75
Comment field for key. The default is empty.
70
76
-x TIME, --expire TIME
71
77
Key expire time. Default is no expiration.
72
78
See gpg(1) for syntax.
73
-f, --force Force overwriting old keys.
79
-f, --force Force overwriting old key files.
75
81
Password creation options:
76
-p, --password Create an encrypted password using the keys in
77
the key directory. All options other than
78
--dir and --name are ignored.
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.
89
-S, --no-ssh Don't get SSH key or set "checker" option.
85
96
-p|--password) mode=password; shift;;
97
-F|--passfile) mode=password; PASSFILE="$2"; shift 2;;
86
98
-d|--dir) KEYDIR="$2"; shift 2;;
87
99
-t|--type) KEYTYPE="$2"; shift 2;;
88
100
-s|--subtype) SUBKEYTYPE="$2"; shift 2;;
93
105
-c|--comment) KEYCOMMENT="$2"; shift 2;;
94
106
-x|--expire) KEYEXPIRE="$2"; shift 2;;
95
107
-f|--force) FORCE=yes; shift;;
108
-S|--no-ssh) SSH=no; shift;;
96
109
-v|--version) echo "$0 $VERSION"; exit;;
97
110
-h|--help) help; exit;;
98
111
--) shift; break;;
180
193
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
181
shred --remove \"$RINGDIR\"/sec*;
194
shred --remove \"$RINGDIR\"/sec* 2>/dev/null;
182
195
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
183
196
rm --recursive --force \"$RINGDIR\";
197
tty --quiet && stty echo; \
189
204
if [ "$mode" = keygen ]; then
203
218
#Handle: <no-spaces>
204
219
#%pubring pubring.gpg
205
220
#%secring secring.gpg
227
Note: Due to entropy requirements, key generation could take
228
anything from a few minutes to SEVERAL HOURS. Please be
229
patient and/or supply the system with more entropy if needed.
235
# Make sure trustdb.gpg exists;
236
# this is a workaround for Debian bug #737128
237
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
238
--homedir "$RINGDIR" \
239
--import-ownertrust < /dev/null
209
240
# Generate a new key in the key rings
210
241
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
211
242
--homedir "$RINGDIR" --trust-model always \
212
243
--gen-key "$BATCHFILE"
213
244
rm --force "$BATCHFILE"
215
251
# Backup any old key files
216
252
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
217
253
2>/dev/null; then
231
267
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
234
# Export keys from key rings to key files
270
# Export key from key rings to key files
235
271
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
236
272
--homedir "$RINGDIR" --armor --export-options export-minimal \
237
273
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
244
280
if [ "$mode" = password ]; then
245
# Import keys into temporary key rings
284
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) SSH=1;;
285
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) SSH=0;;
288
if [ $SSH -eq 1 ]; then
289
for ssh_keytype in ecdsa-sha2-nistp256 ed25519 rsa; do
291
ssh_fingerprint="`ssh-keyscan -t $ssh_keytype localhost 2>/dev/null`"
293
if [ $? -ne 0 ]; then
297
if [ -n "$ssh_fingerprint" ]; then
298
ssh_fingerprint="${ssh_fingerprint#localhost }"
304
# Import key into temporary key rings
246
305
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
247
306
--homedir "$RINGDIR" --trust-model always --armor \
248
307
--import "$SECKEYFILE"
253
312
# Get fingerprint of key
254
313
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
255
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
314
--enable-dsa2 --homedir "$RINGDIR" --trust-model always \
256
315
--fingerprint --with-colons \
258
317
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
262
321
FILECOMMENT="Encrypted password for a Mandos client"
265
echo -n "Enter passphrase: " >&2
266
head --lines=1 | tr --delete '\n' \
267
| gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
268
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
269
--recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
323
while [ ! -s "$SECFILE" ]; do
324
if [ -n "$PASSFILE" ]; then
327
tty --quiet && stty -echo
328
echo -n "Enter passphrase: " >/dev/tty
330
tty --quiet && echo >&2
331
echo -n "Repeat passphrase: " >/dev/tty
337
if [ "$first" != "$second" ]; then
338
echo "Passphrase mismatch" >&2
339
touch "$RINGDIR"/mismatch
343
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
344
--homedir "$RINGDIR" --trust-model always --armor \
345
--encrypt --sign --recipient "$FINGERPRINT" --comment \
346
"$FILECOMMENT" > "$SECFILE"
347
if [ -e "$RINGDIR"/mismatch ]; then
348
rm --force "$RINGDIR"/mismatch
277
360
fingerprint = $FINGERPRINT
280
363
sed --quiet --expression='
281
364
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
added
removed
mandos-keygen
