35
36
KEYCOMMENT_ORIG="$KEYCOMMENT"
39
if [ ! -d "$KEYDIR" ]; then
40
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 \
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 \
41
46
--name "$0" -- "$@"`
64
70
-n NAME, --name NAME Name of key. Default is the FQDN.
65
71
-e ADDRESS, --email ADDRESS
66
72
Email address of key. Default is empty.
67
-c COMMENT, --comment COMMENT
73
-c TEXT, --comment TEXT
68
74
Comment field for key. The default value is
69
75
"Mandos client key".
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
--keydir 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.
108
119
PUBKEYFILE="$KEYDIR/pubkey.txt"
110
121
# Check for some invalid values
111
if [ -d "$KEYDIR" ]; then :; else
122
if [ ! -d "$KEYDIR" ]; then
112
123
echo "$KEYDIR not a directory" >&2
115
if [ -w "$KEYDIR" ]; then :; else
116
echo "Directory $KEYDIR not writeable" >&2
120
if [ "$mode" = password -a -e "$KEYDIR/trustdb.gpg.lock" ]; then
121
echo "Key directory has locked trustdb; aborting." >&2
126
if [ ! -r "$KEYDIR" ]; then
127
echo "Directory $KEYDIR not readable" >&2
125
131
if [ "$mode" = keygen ]; then
132
if [ ! -w "$KEYDIR" ]; then
133
echo "Directory $KEYDIR not writeable" >&2
126
136
if [ -z "$KEYTYPE" ]; then
127
137
echo "Empty key type" >&2
162
172
if [ -n "$KEYEMAIL" ]; then
163
173
KEYEMAILLINE="Name-Email: $KEYEMAIL"
166
176
# Create temporary gpg batch file
167
BATCHFILE="`mktemp -t mandos-gpg-batch.XXXXXXXXXX`"
177
BATCHFILE="`mktemp -t mandos-keygen-batch.XXXXXXXXXX`"
170
180
if [ "$mode" = password ]; then
171
181
# Create temporary encrypted password file
172
SECFILE="`mktemp -t mandos-gpg-secfile.XXXXXXXXXX`"
175
# Create temporary key rings
176
SECRING="`mktemp -t mandos-gpg-secring.XXXXXXXXXX`"
177
PUBRING="`mktemp -t mandos-gpg-pubring.XXXXXXXXXX`"
179
if [ "$mode" = password ]; then
180
# If a trustdb.gpg file does not already exist, schedule it for
181
# deletion when we are done.
182
if ! [ -e "$KEYDIR/trustdb.gpg" ]; then
183
TRUSTDB="$KEYDIR/trustdb.gpg"
182
SECFILE="`mktemp -t mandos-keygen-secfile.XXXXXXXXXX`"
185
# Create temporary key ring directory
186
RINGDIR="`mktemp -d -t mandos-keygen-keyrings.XXXXXXXXXX`"
187
188
# Remove temporary files on exit
190
rm --force $PUBRING ${PUBRING}~ $BATCHFILE $TRUSTDB; \
191
shred --remove $SECRING $SECFILE; \
191
test -n \"$SECFILE\" && shred --remove \"$SECFILE\"; \
192
shred --remove \"$RINGDIR\"/sec*;
193
test -n \"$BATCHFILE\" && rm --force \"$BATCHFILE\"; \
194
rm --recursive --force \"$RINGDIR\";
197
200
if [ "$mode" = keygen ]; then
198
201
# Create batch file for GnuPG
209
212
Expire-Date: $KEYEXPIRE
210
213
#Preferences: <string>
211
214
#Handle: <no-spaces>
215
#%pubring pubring.gpg
216
#%secring secring.gpg
222
Note: Due to entropy requirements, key generation could take
223
anything from a few minutes to SEVERAL HOURS. Please be
224
patient and/or supply the system with more entropy if needed.
217
230
# Generate a new key in the key rings
218
gpg --no-random-seed-file --quiet --batch --no-tty \
219
--no-default-keyring --no-options --enable-dsa2 \
220
--secret-keyring "$SECRING" --keyring "$PUBRING" \
231
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
232
--homedir "$RINGDIR" --trust-model always \
221
233
--gen-key "$BATCHFILE"
222
234
rm --force "$BATCHFILE"
224
241
# Backup any old key files
225
242
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
226
243
2>/dev/null; then
240
257
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
243
# Export keys from key rings to key files
244
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
245
--no-default-keyring --no-options --enable-dsa2 \
246
--secret-keyring "$SECRING" --keyring "$PUBRING" \
247
--export-options export-minimal --comment "$FILECOMMENT" \
248
--output "$SECKEYFILE" --export-secret-keys
249
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
250
--no-default-keyring --no-options --enable-dsa2 \
251
--secret-keyring "$SECRING" --keyring "$PUBRING" \
252
--export-options export-minimal --comment "$FILECOMMENT" \
253
--output "$PUBKEYFILE" --export
260
# Export key from key rings to key files
261
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
262
--homedir "$RINGDIR" --armor --export-options export-minimal \
263
--comment "$FILECOMMENT" --output "$SECKEYFILE" \
265
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
266
--homedir "$RINGDIR" --armor --export-options export-minimal \
267
--comment "$FILECOMMENT" --output "$PUBKEYFILE" --export
256
270
if [ "$mode" = password ]; then
257
# Import keys into temporary key rings
258
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
259
--no-default-keyring --no-options --enable-dsa2 \
260
--homedir "$KEYDIR" --no-permission-warning \
261
--secret-keyring "$SECRING" --keyring "$PUBRING" \
262
--trust-model always --import "$SECKEYFILE"
263
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
264
--no-default-keyring --no-options --enable-dsa2 \
265
--homedir "$KEYDIR" --no-permission-warning \
266
--secret-keyring "$SECRING" --keyring "$PUBRING" \
267
--trust-model always --import "$PUBKEYFILE"
271
# Import key into temporary key rings
272
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
273
--homedir "$RINGDIR" --trust-model always --armor \
274
--import "$SECKEYFILE"
275
gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
276
--homedir "$RINGDIR" --trust-model always --armor \
277
--import "$PUBKEYFILE"
269
279
# Get fingerprint of key
270
FINGERPRINT="`gpg --no-random-seed-file --quiet --batch --no-tty \
271
--armor --no-default-keyring --no-options --enable-dsa2 \
272
--homedir \"$KEYDIR\" --no-permission-warning \
273
--secret-keyring \"$SECRING\" --keyring \"$PUBRING\" \
274
--trust-model always --fingerprint --with-colons \
275
| sed -n -e '/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
280
FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
281
--enable-dsa2 --homedir '"'$RINGDIR'"' --trust-model always \
282
--fingerprint --with-colons \
284
--expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
277
286
test -n "$FINGERPRINT"
279
288
FILECOMMENT="Encrypted password for a Mandos client"
282
echo -n "Enter passphrase: " >&2
284
| gpg --no-random-seed-file --batch --no-tty --armor \
285
--no-default-keyring --no-options --enable-dsa2 \
286
--homedir "$KEYDIR" --no-permission-warning \
287
--secret-keyring "$SECRING" --keyring "$PUBRING" \
288
--trust-model always --encrypt --recipient "$FINGERPRINT" \
289
--comment "$FILECOMMENT" \
290
if [ -n "$PASSFILE" ]; then
294
echo -n "Enter passphrase: " >&2
295
first="$(head --lines=1 | tr --delete '\n')"
296
echo -n -e "\nRepeat passphrase: " >&2
297
second="$(head --lines=1 | tr --delete '\n')"
300
if [ "$first" != "$second" ]; then
301
echo -e "Passphrase mismatch" >&2
302
touch "$RINGDIR"/mismatch
306
fi | gpg --quiet --batch --no-tty --no-options --enable-dsa2 \
307
--homedir "$RINGDIR" --trust-model always --armor --encrypt \
308
--sign --recipient "$FINGERPRINT" --comment "$FILECOMMENT" \
310
if [ -e "$RINGDIR"/mismatch ]; then
311
rm --force "$RINGDIR"/mismatch
297
318
fingerprint = $FINGERPRINT
321
sed --quiet --expression='
301
322
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
324
# Remove 24-bit Radix-64 checksum
303
326
# Indent four spaces