3
3
# Mandos key generator - create a new OpenPGP key for a Mandos client
5
# Copyright © 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
31
KEYNAME="`hostname --fqdn 2>/dev/null || hostname`"
32
KEYCOMMENT="Mandos client key"
35
37
KEYCOMMENT_ORIG="$KEYCOMMENT"
43
TEMP=`getopt --options vhpF:d:t:l:s:L:n:e:c:x:f \
44
--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 \
45
47
--name "$0" -- "$@"`
48
basename="`basename $0`"
50
basename="`basename "$0"`"
50
52
Usage: $basename [ -v | --version ]
51
53
$basename [ -h | --help ]
59
61
-v, --version Show program's version number and exit
60
62
-h, --help Show this help message and exit
61
63
-d DIR, --dir DIR Target directory for key files
62
-t TYPE, --type TYPE Key type. Default is DSA.
64
-t TYPE, --type TYPE Key type. Default is RSA.
63
65
-l BITS, --length BITS
64
Key length in bits. Default is 2048.
66
Key length in bits. Default is 4096.
65
67
-s TYPE, --subtype TYPE
66
Subkey type. Default is ELG-E.
68
Subkey type. Default is RSA.
67
69
-L BITS, --sublength BITS
68
Subkey length in bits. Default is 2048.
70
Subkey length in bits. Default is 4096.
69
71
-n NAME, --name NAME Name of key. Default is the FQDN.
70
72
-e ADDRESS, --email ADDRESS
71
73
Email address of key. Default is empty.
72
74
-c TEXT, --comment TEXT
73
Comment field for key. The default value is
75
Comment field for key. The default is empty.
75
76
-x TIME, --expire TIME
76
77
Key expire time. Default is no expiration.
77
78
See gpg(1) for syntax.
85
86
Encrypt a password from FILE using the key in
86
87
the key directory. All options other than
87
88
--dir and --name are ignored.
89
-S, --no-ssh Don't get SSH key or set "checker" option.
103
105
-c|--comment) KEYCOMMENT="$2"; shift 2;;
104
106
-x|--expire) KEYEXPIRE="$2"; shift 2;;
105
107
-f|--force) FORCE=yes; shift;;
108
-S|--no-ssh) SSH=no; shift;;
106
109
-v|--version) echo "$0 $VERSION"; exit;;
107
110
-h|--help) help; exit;;
108
111
--) shift; break;;
158
161
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) FORCE=0;;
161
if [ \( -e "$SECKEYFILE" -o -e "$PUBKEYFILE" \) \
162
-a "$FORCE" -eq 0 ]; then
164
if { [ -e "$SECKEYFILE" ] || [ -e "$PUBKEYFILE" ]; } \
165
&& [ "$FORCE" -eq 0 ]; then
163
166
echo "Refusing to overwrite old key files; use --force" >&2
190
193
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
191
shred --remove \"$RINGDIR\"/sec*;
194
shred --remove \"$RINGDIR\"/sec* 2>/dev/null;
192
195
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
193
196
rm --recursive --force \"$RINGDIR\";
197
tty --quiet && stty echo; \
199
204
if [ "$mode" = keygen ]; then
201
206
cat >"$BATCHFILE" <<-EOF
202
207
Key-Type: $KEYTYPE
203
208
Key-Length: $KEYLENGTH
204
#Key-Usage: encrypt,sign,auth
205
210
Subkey-Type: $SUBKEYTYPE
206
211
Subkey-Length: $SUBKEYLENGTH
207
#Subkey-Usage: encrypt,sign,auth
212
Subkey-Usage: encrypt
208
213
Name-Real: $KEYNAME
213
218
#Handle: <no-spaces>
214
219
#%pubring pubring.gpg
215
220
#%secring secring.gpg
227
Note: Due to entropy requirements, key generation could take
228
anything from a few minutes to SEVERAL HOURS. Please be
229
patient and/or supply the system with more entropy if needed.
235
# Make sure trustdb.gpg exists;
236
# this is a workaround for Debian bug #737128
237
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
238
--homedir "$RINGDIR" \
239
--import-ownertrust < /dev/null
219
240
# Generate a new key in the key rings
220
241
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
221
242
--homedir "$RINGDIR" --trust-model always \
222
243
--gen-key "$BATCHFILE"
223
244
rm --force "$BATCHFILE"
225
251
# Backup any old key files
226
252
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
227
253
2>/dev/null; then
254
280
if [ "$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`"
294
if [ $err -ne 0 ]; then
298
if [ -n "$ssh_fingerprint" ]; then
299
ssh_fingerprint="${ssh_fingerprint#localhost }"
255
305
# Import key into temporary key rings
256
306
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
257
307
--homedir "$RINGDIR" --trust-model always --armor \
263
313
# Get fingerprint of key
264
314
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
265
--enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
315
--enable-dsa2 --homedir "$RINGDIR" --trust-model always \
266
316
--fingerprint --with-colons \
268
318
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
272
322
FILECOMMENT="Encrypted password for a Mandos client"
274
if [ -n "$PASSFILE" ]; then
278
echo -n "Enter passphrase: " >&2
279
first="$(head --lines=1 | tr --delete '\n')"
280
echo -n -e "\nRepeat passphrase: " >&2
281
second="$(head --lines=1 | tr --delete '\n')"
284
if [ "$first" != "$second" ]; then
285
echo -e "Passphrase mismatch" >&2
324
while [ ! -s "$SECFILE" ]; do
325
if [ -n "$PASSFILE" ]; then
328
tty --quiet && stty -echo
329
echo -n "Enter passphrase: " >/dev/tty
331
tty --quiet && echo >&2
332
echo -n "Repeat passphrase: " >/dev/tty
338
if [ "$first" != "$second" ]; then
339
echo "Passphrase mismatch" >&2
340
touch "$RINGDIR"/mismatch
344
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
345
--homedir "$RINGDIR" --trust-model always --armor \
346
--encrypt --sign --recipient "$FINGERPRINT" --comment \
347
"$FILECOMMENT" > "$SECFILE"
348
if [ -e "$RINGDIR"/mismatch ]; then
349
rm --force "$RINGDIR"/mismatch
290
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
291
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
292
--recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
294
status="${PIPESTATUS[0]}"
295
if [ "$status" -ne 0 ]; then
added
removed
mandos-keygen
