3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
5
# Copyright © 2007-2008 Teddy Hogeborn & Björn Påhlsson
5
# Copyright © 2008-2018 Teddy Hogeborn
6
# Copyright © 2008-2018 Björn Påhlsson
7
# This program is free software: you can redistribute it and/or modify
8
# it under the terms of the GNU General Public License as published by
8
# This file is part of Mandos.
10
# Mandos is free software: you can redistribute it and/or modify it
11
# under the terms of the GNU General Public License as published by
9
12
# the Free Software Foundation, either version 3 of the License, or
10
13
# (at your option) any later version.
12
# This program is distributed in the hope that it will be useful,
13
# but WITHOUT ANY WARRANTY; without even the implied warranty of
15
# Mandos is distributed in the hope that it will be useful, but
16
# WITHOUT ANY WARRANTY; without even the implied warranty of
14
17
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
18
# GNU General Public License for more details.
17
20
# You should have received a copy of the GNU General Public License
18
# along with this program. If not, see <http://www.gnu.org/licenses/>.
21
# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
20
# Contact the authors at <mandos@fukt.bsnet.se>.
23
# Contact the authors at <mandos@recompile.se>.
25
28
KEYDIR="/etc/keys/mandos"
30
KEYNAME="`hostname --fqdn`"
33
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
32
KEYCOMMENT="Mandos client key"
35
39
KEYCOMMENT_ORIG="$KEYCOMMENT"
42
if [ ! -d "$KEYDIR" ]; then
43
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 \
47
TEMP=`getopt --options vhpF:d:t:l:s:L:n:e:c:x:fS \
48
--longoptions version,help,password,passfile:,dir:,type:,length:,subtype:,sublength:,name:,email:,comment:,expire:,force,no-ssh \
41
49
--name "$0" -- "$@"`
44
basename="`basename $0`"
52
basename="`basename "$0"`"
46
54
Usage: $basename [ -v | --version ]
47
55
$basename [ -h | --help ]
49
57
$basename [ OPTIONS ]
50
58
Encrypted password creation:
51
59
$basename { -p | --password } [ --name NAME ] [ --dir DIR]
60
$basename { -F | --passfile } FILE [ --name NAME ] [ --dir DIR]
53
62
Key creation options:
54
63
-v, --version Show program's version number and exit
55
64
-h, --help Show this help message and exit
56
65
-d DIR, --dir DIR Target directory for key files
57
-t TYPE, --type TYPE Key type. Default is DSA.
66
-t TYPE, --type TYPE Key type. Default is RSA.
58
67
-l BITS, --length BITS
59
Key length in bits. Default is 2048.
68
Key length in bits. Default is 4096.
60
69
-s TYPE, --subtype TYPE
61
Subkey type. Default is ELG-E.
70
Subkey type. Default is RSA.
62
71
-L BITS, --sublength BITS
63
Subkey length in bits. Default is 2048.
72
Subkey length in bits. Default is 4096.
64
73
-n NAME, --name NAME Name of key. Default is the FQDN.
65
74
-e ADDRESS, --email ADDRESS
66
75
Email address of key. Default is empty.
67
76
-c TEXT, --comment TEXT
68
Comment field for key. The default value is
77
Comment field for key. The default is empty.
70
78
-x TIME, --expire TIME
71
79
Key expire time. Default is no expiration.
72
80
See gpg(1) for syntax.
73
-f, --force Force overwriting old keys.
81
-f, --force Force overwriting old key files.
75
83
Password creation options:
76
-p, --password Create an encrypted password using the keys in
77
the key directory. All options other than
78
--dir and --name are ignored.
84
-p, --password Create an encrypted password using the key in
85
the key directory. All options other than
86
--dir and --name are ignored.
87
-F FILE, --passfile FILE
88
Encrypt a password from FILE using the key in
89
the key directory. All options other than
90
--dir and --name are ignored.
91
-S, --no-ssh Don't get SSH key or set "checker" option.
180
195
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
181
shred --remove \"$RINGDIR\"/sec*;
196
shred --remove \"$RINGDIR\"/sec* 2>/dev/null;
182
197
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
183
198
rm --recursive --force \"$RINGDIR\";
199
tty --quiet && stty echo; \
189
206
if [ "$mode" = keygen ]; then
190
207
# Create batch file for GnuPG
191
208
cat >"$BATCHFILE" <<-EOF
192
209
Key-Type: $KEYTYPE
193
210
Key-Length: $KEYLENGTH
194
#Key-Usage: encrypt,sign,auth
195
212
Subkey-Type: $SUBKEYTYPE
196
213
Subkey-Length: $SUBKEYLENGTH
197
#Subkey-Usage: encrypt,sign,auth
214
Subkey-Usage: encrypt
198
215
Name-Real: $KEYNAME
203
220
#Handle: <no-spaces>
204
221
#%pubring pubring.gpg
205
222
#%secring secring.gpg
229
Note: Due to entropy requirements, key generation could take
230
anything from a few minutes to SEVERAL HOURS. Please be
231
patient and/or supply the system with more entropy if needed.
237
# Make sure trustdb.gpg exists;
238
# this is a workaround for Debian bug #737128
239
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
240
--homedir "$RINGDIR" \
241
--import-ownertrust < /dev/null
209
242
# Generate a new key in the key rings
210
243
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
211
244
--homedir "$RINGDIR" --trust-model always \
212
245
--gen-key "$BATCHFILE"
213
246
rm --force "$BATCHFILE"
215
253
# Backup any old key files
216
254
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
217
255
2>/dev/null; then
244
282
if [ "$mode" = password ]; then
245
# Import keys into temporary key rings
286
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) SSH=1;;
287
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) SSH=0;;
290
if [ $SSH -eq 1 ]; then
291
for ssh_keytype in ecdsa-sha2-nistp256 ed25519 rsa; do
293
ssh_fingerprint="`ssh-keyscan -t $ssh_keytype localhost 2>/dev/null`"
296
if [ $err -ne 0 ]; then
300
if [ -n "$ssh_fingerprint" ]; then
301
ssh_fingerprint="${ssh_fingerprint#localhost }"
307
# Import key into temporary key rings
246
308
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
247
309
--homedir "$RINGDIR" --trust-model always --armor \
248
310
--import "$SECKEYFILE"
253
315
# Get fingerprint of key
254
316
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
255
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
317
--enable-dsa2 --homedir "$RINGDIR" --trust-model always \
256
318
--fingerprint --with-colons \
257
| sed -n -e '/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
320
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
259
322
test -n "$FINGERPRINT"
261
324
FILECOMMENT="Encrypted password for a Mandos client"
264
echo -n "Enter passphrase: " >&2
266
| gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
267
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
268
--recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
326
while [ ! -s "$SECFILE" ]; do
327
if [ -n "$PASSFILE" ]; then
330
tty --quiet && stty -echo
331
echo -n "Enter passphrase: " >/dev/tty
333
tty --quiet && echo >&2
334
echo -n "Repeat passphrase: " >/dev/tty
340
if [ "$first" != "$second" ]; then
341
echo "Passphrase mismatch" >&2
342
touch "$RINGDIR"/mismatch
346
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
347
--homedir "$RINGDIR" --trust-model always --armor \
348
--encrypt --sign --recipient "$FINGERPRINT" --comment \
349
"$FILECOMMENT" > "$SECFILE"
350
if [ -e "$RINGDIR"/mismatch ]; then
351
rm --force "$RINGDIR"/mismatch
276
363
fingerprint = $FINGERPRINT
366
sed --quiet --expression='
280
367
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
282
369
# Remove 24-bit Radix-64 checksum
added
removed
mandos-keygen
