3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
5
# Copyright © 2008-2016 Teddy Hogeborn
6
# Copyright © 2008-2016 Björn Påhlsson
5
# Copyright © 2007-2008 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
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
30
KEYNAME="`hostname --fqdn`"
32
KEYCOMMENT="Mandos client key"
37
35
KEYCOMMENT_ORIG="$KEYCOMMENT"
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 \
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 \
47
45
--name "$0" -- "$@"`
50
basename="`basename "$0"`"
48
basename="`basename $0`"
52
50
Usage: $basename [ -v | --version ]
53
51
$basename [ -h | --help ]
55
53
$basename [ OPTIONS ]
56
54
Encrypted password creation:
57
55
$basename { -p | --password } [ --name NAME ] [ --dir DIR]
58
$basename { -F | --passfile } FILE [ --name NAME ] [ --dir DIR]
60
57
Key creation options:
61
58
-v, --version Show program's version number and exit
62
59
-h, --help Show this help message and exit
63
60
-d DIR, --dir DIR Target directory for key files
64
-t TYPE, --type TYPE Key type. Default is RSA.
61
-t TYPE, --type TYPE Key type. Default is DSA.
65
62
-l BITS, --length BITS
66
Key length in bits. Default is 4096.
63
Key length in bits. Default is 2048.
67
64
-s TYPE, --subtype TYPE
68
Subkey type. Default is RSA.
65
Subkey type. Default is ELG-E.
69
66
-L BITS, --sublength BITS
70
Subkey length in bits. Default is 4096.
67
Subkey length in bits. Default is 2048.
71
68
-n NAME, --name NAME Name of key. Default is the FQDN.
72
69
-e ADDRESS, --email ADDRESS
73
70
Email address of key. Default is empty.
74
71
-c TEXT, --comment TEXT
75
Comment field for key. The default is empty.
72
Comment field for key. The default value is
76
74
-x TIME, --expire TIME
77
75
Key expire time. Default is no expiration.
78
76
See gpg(1) for syntax.
79
-f, --force Force overwriting old key files.
77
-f, --force Force overwriting old keys.
81
79
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.
89
-S, --no-ssh Don't get SSH key or set "checker" option.
80
-p, --password Create an encrypted password using the keys in
81
the key directory. All options other than
82
--dir and --name are ignored.
96
89
-p|--password) mode=password; shift;;
97
-F|--passfile) mode=password; PASSFILE="$2"; shift 2;;
98
90
-d|--dir) KEYDIR="$2"; shift 2;;
99
91
-t|--type) KEYTYPE="$2"; shift 2;;
100
92
-s|--subtype) SUBKEYTYPE="$2"; shift 2;;
105
97
-c|--comment) KEYCOMMENT="$2"; shift 2;;
106
98
-x|--expire) KEYEXPIRE="$2"; shift 2;;
107
99
-f|--force) FORCE=yes; shift;;
108
-S|--no-ssh) SSH=no; shift;;
109
100
-v|--version) echo "$0 $VERSION"; exit;;
110
101
-h|--help) help; exit;;
111
102
--) shift; break;;
193
184
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
194
shred --remove \"$RINGDIR\"/sec* 2>/dev/null;
185
shred --remove \"$RINGDIR\"/sec*;
195
186
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
196
187
rm --recursive --force \"$RINGDIR\";
197
tty --quiet && stty echo; \
204
193
if [ "$mode" = keygen ]; then
226
Note: Due to entropy requirements, key generation could take
227
anything from a few minutes to SEVERAL HOURS. Please be
228
patient and/or supply the system with more entropy if needed.
234
# Make sure trustdb.gpg exists;
235
# this is a workaround for Debian bug #737128
236
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
237
--homedir "$RINGDIR" \
238
--import-ownertrust < /dev/null
239
213
# Generate a new key in the key rings
240
214
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
241
215
--homedir "$RINGDIR" --trust-model always \
242
216
--gen-key "$BATCHFILE"
243
217
rm --force "$BATCHFILE"
250
219
# Backup any old key files
251
220
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
252
221
2>/dev/null; then
266
235
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
269
# Export key from key rings to key files
238
# Export keys from key rings to key files
270
239
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
271
240
--homedir "$RINGDIR" --armor --export-options export-minimal \
272
241
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
279
248
if [ "$mode" = password ]; then
283
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) SSH=1;;
284
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) SSH=0;;
287
if [ $SSH -eq 1 ]; then
288
for ssh_keytype in ecdsa-sha2-nistp256 ed25519 rsa; do
290
ssh_fingerprint="`ssh-keyscan -t $ssh_keytype localhost 2>/dev/null`"
292
if [ $? -ne 0 ]; then
296
if [ -n "$ssh_fingerprint" ]; then
297
ssh_fingerprint="${ssh_fingerprint#localhost }"
303
# Import key into temporary key rings
249
# Import keys into temporary key rings
304
250
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
305
251
--homedir "$RINGDIR" --trust-model always --armor \
306
252
--import "$SECKEYFILE"
311
257
# Get fingerprint of key
312
258
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
313
--enable-dsa2 --homedir "$RINGDIR" --trust-model always \
259
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
314
260
--fingerprint --with-colons \
316
262
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
320
266
FILECOMMENT="Encrypted password for a Mandos client"
322
while [ ! -s "$SECFILE" ]; do
323
if [ -n "$PASSFILE" ]; then
326
tty --quiet && stty -echo
327
echo -n "Enter passphrase: " >&2
329
tty --quiet && echo >&2
330
echo -n "Repeat passphrase: " >&2
336
if [ "$first" != "$second" ]; then
337
echo "Passphrase mismatch" >&2
338
touch "$RINGDIR"/mismatch
342
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
343
--homedir "$RINGDIR" --trust-model always --armor \
344
--encrypt --sign --recipient "$FINGERPRINT" --comment \
345
"$FILECOMMENT" > "$SECFILE"
346
if [ -e "$RINGDIR"/mismatch ]; then
347
rm --force "$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" \
359
281
fingerprint = $FINGERPRINT
362
284
sed --quiet --expression='
363
285
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
added
removed
mandos-keygen
