3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
5
# Copyright © 2008 Teddy Hogeborn
6
# Copyright © 2008 Björn Påhlsson
5
# Copyright © 2008-2016 Teddy Hogeborn
6
# Copyright © 2008-2016 Björn Påhlsson
8
8
# This program is free software: you can redistribute it and/or modify
9
9
# it under the terms of the GNU General Public License as published by
18
18
# You should have received a copy of the GNU General Public License
19
19
# along with this program. If not, see <http://www.gnu.org/licenses/>.
21
# Contact the authors at <mandos@fukt.bsnet.se>.
21
# Contact the authors at <mandos@recompile.se>.
26
26
KEYDIR="/etc/keys/mandos"
31
31
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
33
KEYCOMMENT="Mandos client key"
36
37
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 \
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 \
46
47
--name "$0" -- "$@"`
49
basename="`basename $0`"
50
basename="`basename "$0"`"
51
52
Usage: $basename [ -v | --version ]
52
53
$basename [ -h | --help ]
60
61
-v, --version Show program's version number and exit
61
62
-h, --help Show this help message and exit
62
63
-d DIR, --dir DIR Target directory for key files
63
-t TYPE, --type TYPE Key type. Default is DSA.
64
-t TYPE, --type TYPE Key type. Default is RSA.
64
65
-l BITS, --length BITS
65
Key length in bits. Default is 2048.
66
Key length in bits. Default is 4096.
66
67
-s TYPE, --subtype TYPE
67
Subkey type. Default is ELG-E.
68
Subkey type. Default is RSA.
68
69
-L BITS, --sublength BITS
69
Subkey length in bits. Default is 2048.
70
Subkey length in bits. Default is 4096.
70
71
-n NAME, --name NAME Name of key. Default is the FQDN.
71
72
-e ADDRESS, --email ADDRESS
72
73
Email address of key. Default is empty.
73
74
-c TEXT, --comment TEXT
74
Comment field for key. The default value is
75
Comment field for key. The default is empty.
76
76
-x TIME, --expire TIME
77
77
Key expire time. Default is no expiration.
78
78
See gpg(1) for syntax.
86
86
Encrypt a password from FILE using the key in
87
87
the key directory. All options other than
88
88
--dir and --name are ignored.
89
-S, --no-ssh Don't get SSH key or set "checker" option.
104
105
-c|--comment) KEYCOMMENT="$2"; shift 2;;
105
106
-x|--expire) KEYEXPIRE="$2"; shift 2;;
106
107
-f|--force) FORCE=yes; shift;;
108
-S|--no-ssh) SSH=no; shift;;
107
109
-v|--version) echo "$0 $VERSION"; exit;;
108
110
-h|--help) help; exit;;
109
111
--) shift; break;;
191
193
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
192
shred --remove \"$RINGDIR\"/sec*;
194
shred --remove \"$RINGDIR\"/sec* 2>/dev/null;
193
195
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
194
196
rm --recursive --force \"$RINGDIR\";
197
tty --quiet && stty echo; \
200
204
if [ "$mode" = keygen ]; then
202
206
cat >"$BATCHFILE" <<-EOF
203
207
Key-Type: $KEYTYPE
204
208
Key-Length: $KEYLENGTH
205
#Key-Usage: encrypt,sign,auth
206
210
Subkey-Type: $SUBKEYTYPE
207
211
Subkey-Length: $SUBKEYLENGTH
208
#Subkey-Usage: encrypt,sign,auth
212
Subkey-Usage: encrypt
209
213
Name-Real: $KEYNAME
214
218
#Handle: <no-spaces>
215
219
#%pubring pubring.gpg
216
220
#%secring secring.gpg
227
Note: Due to entropy requirements, key generation could take
228
anything from a few minutes to SEVERAL HOURS. Please be
229
patient and/or supply the system with more entropy if needed.
235
# Make sure trustdb.gpg exists;
236
# this is a workaround for Debian bug #737128
237
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
238
--homedir "$RINGDIR" \
239
--import-ownertrust < /dev/null
220
240
# Generate a new key in the key rings
221
241
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
222
242
--homedir "$RINGDIR" --trust-model always \
223
243
--gen-key "$BATCHFILE"
224
244
rm --force "$BATCHFILE"
226
251
# Backup any old key files
227
252
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
228
253
2>/dev/null; then
255
280
if [ "$mode" = password ]; then
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="${ssh_fingerprint#localhost }"
256
304
# Import key into temporary key rings
257
305
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
258
306
--homedir "$RINGDIR" --trust-model always --armor \
264
312
# Get fingerprint of key
265
313
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
266
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
314
--enable-dsa2 --homedir "$RINGDIR" --trust-model always \
267
315
--fingerprint --with-colons \
269
317
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
273
321
FILECOMMENT="Encrypted password for a Mandos client"
275
if [ -n "$PASSFILE" ]; then
279
echo -n "Enter passphrase: " >&2
280
first="$(head --lines=1 | tr --delete '\n')"
281
echo -n -e "\nRepeat passphrase: " >&2
282
second="$(head --lines=1 | tr --delete '\n')"
285
if [ "$first" != "$second" ]; then
286
echo -e "Passphrase mismatch" >&2
323
while [ ! -s "$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
291
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
292
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
293
--sign --recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
295
status="${PIPESTATUS[0]}"
296
if [ "$status" -ne 0 ]; then
added
removed
mandos-keygen
