120
if [ "$mode" = password -a -e "$KEYDIR/trustdb.gpg.lock" ]; then
121
echo "Key directory has locked trustdb; aborting." >&2
125
if [ "$mode" = keygen ]; then
126
if [ -z "$KEYTYPE" ]; then
127
echo "Empty key type" >&2
131
if [ -z "$KEYNAME" ]; then
132
echo "Empty key name" >&2
136
if [ -z "$KEYLENGTH" ] || [ "$KEYLENGTH" -lt 512 ]; then
137
echo "Invalid key length" >&2
141
if [ -z "$KEYEXPIRE" ]; then
142
echo "Empty key expiration" >&2
146
# Make FORCE be 0 or 1
148
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) FORCE=1;;
149
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) FORCE=0;;
152
if { [ -e "$SECKEYFILE" ] || [ -e "$PUBKEYFILE" ]; } \
153
&& [ "$FORCE" -eq 0 ]; then
154
echo "Refusing to overwrite old key files; use --force" >&2
158
# Set lines for GnuPG batch file
159
if [ -n "$KEYCOMMENT" ]; then
160
KEYCOMMENTLINE="Name-Comment: $KEYCOMMENT"
162
if [ -n "$KEYEMAIL" ]; then
163
KEYEMAILLINE="Name-Email: $KEYEMAIL"
166
# Create temporary gpg batch file
167
BATCHFILE="`mktemp -t mandos-gpg-batch.XXXXXXXXXX`"
170
if [ "$mode" = password ]; then
171
# Create temporary encrypted password file
172
SECFILE="`mktemp -t mandos-gpg-secfile.XXXXXXXXXX`"
175
# Create temporary key rings
107
if [ -z "$KEYTYPE" ]; then
108
echo "Empty key type" >&2
112
if [ -z "$KEYNAME" ]; then
113
echo "Empty key name" >&2
117
if [ -z "$KEYLENGTH" ] || [ "$KEYLENGTH" -lt 512 ]; then
118
echo "Invalid key length" >&2
122
if [ -z "$KEYEXPIRE" ]; then
123
echo "Empty key expiration" >&2
127
# Make FORCE be 0 or 1
129
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]) FORCE=1;;
130
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|*) FORCE=0;;
133
if { [ -e "$SECKEYFILE" ] || [ -e "$PUBKEYFILE" ]; } \
134
&& [ "$FORCE" -eq 0 ]; then
135
echo "Refusing to overwrite old key files; use --force" >&2
139
# Set lines for GnuPG batch file
140
if [ -n "$KEYCOMMENT" ]; then
141
KEYCOMMENTLINE="Name-Comment: $KEYCOMMENT"
143
if [ -n "$KEYEMAIL" ]; then
144
KEYEMAILLINE="Name-Email: $KEYEMAIL"
148
BATCHFILE="`mktemp -t mandos-gpg-batch.XXXXXXXXXX`"
176
149
SECRING="`mktemp -t mandos-gpg-secring.XXXXXXXXXX`"
177
150
PUBRING="`mktemp -t mandos-gpg-pubring.XXXXXXXXXX`"
179
if [ "$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"
187
152
# Remove temporary files on exit
190
rm --force $PUBRING ${PUBRING}~ $BATCHFILE $TRUSTDB; \
191
shred --remove $SECRING $SECFILE; \
155
rm --force $PUBRING $BATCHFILE; \
156
shred --remove $SECRING; \
160
# Create batch file for GnuPG
161
cat >"$BATCHFILE" <<EOF
163
Key-Length: $KEYLENGTH
164
#Key-Usage: encrypt,sign,auth
165
Subkey-Type: $SUBKEYTYPE
166
Subkey-Length: $SUBKEYLENGTH
167
#Subkey-Usage: encrypt,sign,auth
171
Expire-Date: $KEYEXPIRE
172
#Preferences: <string>
197
if [ "$mode" = keygen ]; then
198
# Create batch file for GnuPG
199
cat >"$BATCHFILE" <<-EOF
201
Key-Length: $KEYLENGTH
202
#Key-Usage: encrypt,sign,auth
203
Subkey-Type: $SUBKEYTYPE
204
Subkey-Length: $SUBKEYLENGTH
205
#Subkey-Usage: encrypt,sign,auth
209
Expire-Date: $KEYEXPIRE
210
#Preferences: <string>
217
# Generate a new key in the key rings
218
gpg --no-random-seed-file --quiet --batch --no-tty \
219
--no-default-keyring --no-options --enable-dsa2 \
220
--secret-keyring "$SECRING" --keyring "$PUBRING" \
221
--gen-key "$BATCHFILE"
222
rm --force "$BATCHFILE"
224
# Backup any old key files
225
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
227
shred --remove "$SECKEYFILE"
229
if cp --backup=numbered --force "$PUBKEYFILE" "$PUBKEYFILE" \
231
rm --force "$PUBKEYFILE"
234
FILECOMMENT="Mandos client key for $KEYNAME"
235
if [ "$KEYCOMMENT" != "$KEYCOMMENT_ORIG" ]; then
236
FILECOMMENT="$FILECOMMENT ($KEYCOMMENT)"
239
if [ -n "$KEYEMAIL" ]; then
240
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
256
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 "$PUBKEYFILE"
269
# Get fingerprint of key
270
FINGERPRINT="`gpg --no-random-seed-file --quiet --batch --no-tty \
271
--armor --no-default-keyring --no-options --enable-dsa2 \
272
--homedir \"$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}'`"
277
test -n "$FINGERPRINT"
279
FILECOMMENT="Encrypted password for a Mandos client"
282
echo -n "Enter passphrase: " >&2
284
| gpg --no-random-seed-file --batch --no-tty --armor \
285
--no-default-keyring --no-options --enable-dsa2 \
286
--homedir "$KEYDIR" --no-permission-warning \
287
--secret-keyring "$SECRING" --keyring "$PUBRING" \
288
--trust-model always --encrypt --recipient "$FINGERPRINT" \
289
--comment "$FILECOMMENT" \
297
fingerprint = $FINGERPRINT
301
/^-----BEGIN PGP MESSAGE-----$/,/^-----END PGP MESSAGE-----$/{
181
# Generate a new key in the key rings
182
gpg --no-random-seed-file --quiet --batch --no-tty \
183
--no-default-keyring --no-options --enable-dsa2 \
184
--secret-keyring "$SECRING" --keyring "$PUBRING" \
185
--gen-key "$BATCHFILE"
186
rm --force "$BATCHFILE"
188
# Backup any old key files
189
if cp --backup=numbered --force "$SECKEYFILE" "$SECKEYFILE" \
191
shred --remove "$SECKEYFILE"
193
if cp --backup=numbered --force "$PUBKEYFILE" "$PUBKEYFILE" \
195
rm --force "$PUBKEYFILE"
198
FILECOMMENT="Mandos client key for $KEYNAME"
199
if [ "$KEYCOMMENT" != "$KEYCOMMENT_ORIG" ]; then
200
FILECOMMENT="$FILECOMMENT ($KEYCOMMENT)"
203
if [ -n "$KEYEMAIL" ]; then
204
FILECOMMENT="$FILECOMMENT <$KEYEMAIL>"
207
# Export keys from key rings to key files
208
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
209
--no-default-keyring --no-options --enable-dsa2 \
210
--secret-keyring "$SECRING" --keyring "$PUBRING" \
211
--export-options export-minimal --comment "$FILECOMMENT" \
212
--output "$SECKEYFILE" --export-secret-keys
213
gpg --no-random-seed-file --quiet --batch --no-tty --armor \
214
--no-default-keyring --no-options --enable-dsa2 \
215
--secret-keyring "$SECRING" --keyring "$PUBRING" \
216
--export-options export-minimal --comment "$FILECOMMENT" \
217
--output "$PUBKEYFILE" --export
312
# Remove the password file, if any
313
if [ -n "$SECFILE" ]; then
314
shred --remove "$SECFILE"
316
221
# Remove the key rings
317
222
shred --remove "$SECRING"
318
rm --force "$PUBRING" "${PUBRING}~"
319
# Remove the trustdb, if one did not exist when we started
320
if [ -n "$TRUSTDB" ]; then
321
rm --force "$TRUSTDB"
223
rm --force "$PUBRING"