3 # monkeysphere-server: MonkeySphere server admin tool
5 # The monkeysphere scripts are written by:
6 # Jameson Rollins <jrollins@fifthhorseman.net>
7 # Jamie McClelland <jm@mayfirst.org>
8 # Daniel Kahn Gillmor <dkg@fifthhorseman.net>
10 # They are Copyright 2008, and are all released under the GPL, version 3
13 ########################################################################
16 SHARE=${MONKEYSPHERE_SHARE:="/usr/share/monkeysphere"}
18 . "${SHARE}/common" || exit 1
20 VARLIB="/var/lib/monkeysphere"
23 # date in UTF format if needed
24 DATE=$(date -u '+%FT%T')
26 # unset some environment variables that could screw things up
32 ########################################################################
34 ########################################################################
38 usage: $PGRM <subcommand> [options] [args]
39 MonkeySphere server admin tool.
42 update-users (u) [USER]... update user authorized_keys files
44 gen-key (g) [NAME[:PORT]] generate gpg key for the server
45 --length (-l) BITS key length in bits (2048)
46 --expire (-e) EXPIRE date to expire
47 --revoker (-r) FINGERPRINT add a revoker
48 extend-key (e) EXPIRE extend expiration to EXPIRE
49 add-hostname (n+) NAME[:PORT] add hostname user ID to server key
50 revoke-hostname (n-) NAME[:PORT] revoke hostname user ID
51 show-key (s) output all server host key information
52 publish-key (p) publish server host key to keyserver
53 diagnostics (d) report on server monkeysphere status
55 add-id-certifier (c+) KEYID import and tsign a certification key
56 --domain (-n) DOMAIN limit ID certifications to DOMAIN
57 --trust (-t) TRUST trust level of certifier (full)
58 --depth (-d) DEPTH trust depth for certifier (1)
59 remove-id-certifier (c-) KEYID remove a certification key
60 list-id-certifiers (c) list certification keys
62 gpg-authentication-cmd CMD gnupg-authentication command
69 su_monkeysphere_user() {
70 su --preserve-environment "$MONKEYSPHERE_USER" -- -c "$@"
73 # function to interact with the host gnupg keyring
77 GNUPGHOME="$GNUPGHOME_HOST"
80 # NOTE: we supress this warning because we need the monkeysphere
81 # user to be able to read the host pubring. we realize this might
82 # be problematic, but it's the simplest solution, without too much
84 gpg --no-permission-warning "$@"
87 # always reset the permissions on the host pubring so that the
88 # monkeysphere user can read the trust signatures
89 chgrp "$MONKEYSPHERE_USER" "${GNUPGHOME_HOST}/pubring.gpg"
90 chmod g+r "${GNUPGHOME_HOST}/pubring.gpg"
95 # function to interact with the authentication gnupg keyring
96 # FIXME: this function requires basically accepts only a single
97 # argument because of problems with quote expansion. this needs to be
99 gpg_authentication() {
100 GNUPGHOME="$GNUPGHOME_AUTHENTICATION"
103 su_monkeysphere_user "gpg $@"
106 # output just key fingerprint
107 fingerprint_server_key() {
108 gpg_host --list-secret-keys --fingerprint \
109 --with-colons --fixed-list-mode 2> /dev/null | \
110 grep '^fpr:' | head -1 | cut -d: -f10
113 # output key information
118 fingerprint=$(fingerprint_server_key)
119 gpg_authentication "--fingerprint --list-key --list-options show-unusable-uids $fingerprint"
121 # dumping to a file named ' ' so that the ssh-keygen output
122 # doesn't claim any potentially bogus hostname(s):
124 gpg_authentication "--export $fingerprint" | openpgp2ssh "$fingerprint" 2>/dev/null > "$tmpkey/ "
125 echo -n "ssh fingerprint: "
126 (cd "$tmpkey" && ssh-keygen -l -f ' ' | awk '{ print $2 }')
128 echo -n "OpenPGP fingerprint: "
132 # update authorized_keys for users
135 # get users from command line
138 # or just look at all users if none specified
139 unames=$(getent passwd | cut -d: -f1)
143 MODE="authorized_keys"
146 GNUPGHOME="$GNUPGHOME_AUTHENTICATION"
148 # check to see if the gpg trust database has been initialized
149 if [ ! -s "${GNUPGHOME}/trustdb.gpg" ] ; then
150 failure "GNUPG trust database uninitialized. Please see MONKEYSPHERE-SERVER(8)."
153 # make sure the authorized_keys directory exists
154 mkdir -p "${VARLIB}/authorized_keys"
157 for uname in $unames ; do
158 # check all specified users exist
159 if ! getent passwd "$uname" >/dev/null ; then
160 log error "----- unknown user '$uname' -----"
164 # set authorized_user_ids and raw authorized_keys variables,
165 # translating ssh-style path variables
166 authorizedUserIDs=$(translate_ssh_variables "$uname" "$AUTHORIZED_USER_IDS")
167 rawAuthorizedKeys=$(translate_ssh_variables "$uname" "$RAW_AUTHORIZED_KEYS")
169 # if neither is found, skip user
170 if [ ! -s "$authorizedUserIDs" ] ; then
171 if [ "$rawAuthorizedKeys" = '-' -o ! -s "$rawAuthorizedKeys" ] ; then
176 log verbose "----- user: $uname -----"
178 # exit if the authorized_user_ids file is empty
179 if ! check_key_file_permissions "$uname" "$AUTHORIZED_USER_IDS" ; then
180 log error "Improper permissions on path '$AUTHORIZED_USER_IDS'."
184 # check permissions on the authorized_keys file path
185 if ! check_key_file_permissions "$uname" "$RAW_AUTHORIZED_KEYS" ; then
186 log error "Improper permissions on path '$RAW_AUTHORIZED_KEYS'."
190 # make temporary directory
193 # trap to delete temporary directory on exit
194 trap "rm -rf $TMPDIR" EXIT
196 # create temporary authorized_user_ids file
197 TMP_AUTHORIZED_USER_IDS="${TMPDIR}/authorized_user_ids"
198 touch "$TMP_AUTHORIZED_USER_IDS"
200 # create temporary authorized_keys file
201 AUTHORIZED_KEYS="${TMPDIR}/authorized_keys"
202 touch "$AUTHORIZED_KEYS"
204 # set restrictive permissions on the temporary files
205 # FIXME: is there a better way to do this?
207 chmod 0600 "$AUTHORIZED_KEYS"
208 chmod 0600 "$TMP_AUTHORIZED_USER_IDS"
209 chown -R "$MONKEYSPHERE_USER" "$TMPDIR"
211 # if the authorized_user_ids file exists...
212 if [ -s "$authorizedUserIDs" ] ; then
213 # copy user authorized_user_ids file to temporary
215 cat "$authorizedUserIDs" > "$TMP_AUTHORIZED_USER_IDS"
217 # export needed variables
218 export AUTHORIZED_KEYS
219 export TMP_AUTHORIZED_USER_IDS
221 # process authorized_user_ids file, as monkeysphere
223 su_monkeysphere_user \
224 ". ${SHARE}/common; process_authorized_user_ids $TMP_AUTHORIZED_USER_IDS"
228 # add user-controlled authorized_keys file path if specified
229 if [ "$rawAuthorizedKeys" != '-' -a -s "$rawAuthorizedKeys" ] ; then
230 log verbose "adding raw authorized_keys file... "
231 cat "$rawAuthorizedKeys" >> "$AUTHORIZED_KEYS"
234 # openssh appears to check the contents of the
235 # authorized_keys file as the user in question, so the
236 # file must be readable by that user at least.
237 # FIXME: is there a better way to do this?
238 chown root "$AUTHORIZED_KEYS"
239 chgrp $(getent passwd "$uname" | cut -f4 -d:) "$AUTHORIZED_KEYS"
240 chmod g+r "$AUTHORIZED_KEYS"
242 # move the resulting authorized_keys file into place
243 mv -f "$AUTHORIZED_KEYS" "${VARLIB}/authorized_keys/${uname}"
245 # destroy temporary directory
250 # generate server gpg key
262 # set default key parameter values
270 TEMP=$(getopt -o e:l:r -l expire:,length:,revoker: -n "$PGRM" -- "$@")
272 if [ $? != 0 ] ; then
276 # Note the quotes around `$TEMP': they are essential!
302 hostName=${1:-$(hostname --fqdn)}
303 userID="ssh://${hostName}"
305 # check for presense of key with user ID
306 if gpg_host --list-key ="$userID" > /dev/null 2>&1 ; then
307 failure "Key for '$userID' already exists"
310 # prompt about key expiration if not specified
311 keyExpire=$(get_gpg_expiration "$keyExpire")
314 keyParameters=$(cat <<EOF
316 Key-Length: $keyLength
319 Expire-Date: $keyExpire
323 # add the revoker field if specified
324 # FIXME: the "1:" below assumes that $REVOKER's key is an RSA key.
325 # FIXME: key is marked "sensitive"? is this appropriate?
326 if [ "$revoker" ] ; then
327 keyParameters="${keyParameters}"$(cat <<EOF
328 Revoker: 1:$revoker sensitive
333 echo "The following key parameters will be used for the host private key:"
334 echo "$keyParameters"
336 read -p "Generate key? (Y/n) " OK; OK=${OK:=Y}
337 if [ ${OK/y/Y} != 'Y' ] ; then
342 keyParameters="${keyParameters}"$(cat <<EOF
349 log verbose "generating server key..."
350 echo "$keyParameters" | gpg_host --batch --gen-key
352 # output the server fingerprint
353 fingerprint_server_key "=${userID}"
355 # find the key fingerprint of the newly generated key
356 fingerprint=$(fingerprint_server_key)
358 # export host ownertrust to authentication keyring
359 log verbose "setting ultimate owner trust for server key..."
360 echo "${fingerprint}:6:" | gpg_authentication "--import-ownertrust"
362 # translate the private key to ssh format, and export to a file
364 # NOTE: assumes that the primary key is the proper key to use
366 gpg_host --export-secret-key "$fingerprint" | \
367 openpgp2ssh "$fingerprint" > "${VARLIB}/ssh_host_rsa_key")
368 log info "Private SSH host key output to file: ${VARLIB}/ssh_host_rsa_key"
371 # extend the lifetime of a host key:
373 local fpr=$(fingerprint_server_key)
376 if [ -z "$fpr" ] ; then
377 failure "You don't appear to have a MonkeySphere host key on this server. Try 'monkeysphere-server gen-key' first."
380 # get the new expiration date
381 extendTo=$(get_gpg_expiration "$extendTo")
383 gpg_host --quiet --command-fd 0 --edit-key "$fpr" <<EOF
390 echo "NOTE: Host key expiration date adjusted, but not yet published."
391 echo "Run '$PGRM publish-key' to publish the new expiration date."
394 # add hostname user ID to server key
402 if [ -z "$1" ] ; then
403 failure "You must specify a hostname to add."
408 fingerprint=$(fingerprint_server_key)
410 # match to only ultimately trusted user IDs
411 tmpuidMatch="u:$(echo $userID | gpg_escape)"
413 # find the index of the requsted user ID
414 # NOTE: this is based on circumstantial evidence that the order of
415 # this output is the appropriate index
416 if line=$(gpg_host --list-keys --with-colons --fixed-list-mode "0x${fingerprint}!" \
417 | egrep '^(uid|uat):' | cut -f2,10 -d: | grep -n -x -F "$tmpuidMatch") ; then
418 failure "Host userID '$userID' already exists."
421 echo "The following user ID will be added to the host key:"
423 read -p "Are you sure you would like to add this user ID? (y/N) " OK; OK=${OK:=N}
424 if [ ${OK/y/Y} != 'Y' ] ; then
425 failure "User ID not added."
428 # edit-key script command to add user ID
429 adduidCommand=$(cat <<EOF
438 # execute edit-key script
439 if echo "$adduidCommand" | \
440 gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}!" ; then
442 # update the trustdb for the authentication keyring
443 gpg_authentication "--check-trustdb"
448 echo "NOTE: User ID added to key, but key not published."
449 echo "Run '$PGRM publish-key' to publish the new user ID."
451 failure "Problem adding user ID."
455 # revoke hostname user ID to server key
465 if [ -z "$1" ] ; then
466 failure "You must specify a hostname to revoke."
469 echo "WARNING: There is a known bug in this function."
470 echo "This function has been known to occasionally revoke the wrong user ID."
471 echo "Please see the following bug report for more information:"
472 echo "http://web.monkeysphere.info/bugs/revoke-hostname-revoking-wrong-userid/"
473 read -p "Are you sure you would like to proceed? (y/N) " OK; OK=${OK:=N}
474 if [ ${OK/y/Y} != 'Y' ] ; then
480 fingerprint=$(fingerprint_server_key)
482 # match to only ultimately trusted user IDs
483 tmpuidMatch="u:$(echo $userID | gpg_escape)"
485 # find the index of the requsted user ID
486 # NOTE: this is based on circumstantial evidence that the order of
487 # this output is the appropriate index
488 if line=$(gpg_host --list-keys --with-colons --fixed-list-mode "0x${fingerprint}!" \
489 | egrep '^(uid|uat):' | cut -f2,10 -d: | grep -n -x -F "$tmpuidMatch") ; then
492 failure "No non-revoked user ID '$userID' is found."
495 echo "The following host key user ID will be revoked:"
497 read -p "Are you sure you would like to revoke this user ID? (y/N) " OK; OK=${OK:=N}
498 if [ ${OK/y/Y} != 'Y' ] ; then
499 failure "User ID not revoked."
502 message="Hostname removed by monkeysphere-server $DATE"
504 # edit-key script command to revoke user ID
505 revuidCommand=$(cat <<EOF
517 # execute edit-key script
518 if echo "$revuidCommand" | \
519 gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}!" ; then
521 # update the trustdb for the authentication keyring
522 gpg_authentication "--check-trustdb"
527 echo "NOTE: User ID revoked, but revocation not published."
528 echo "Run '$PGRM publish-key' to publish the revocation."
530 failure "Problem revoking user ID."
534 # publish server key to keyserver
535 publish_server_key() {
536 read -p "Really publish host key to $KEYSERVER? (y/N) " OK; OK=${OK:=N}
537 if [ ${OK/y/Y} != 'Y' ] ; then
538 failure "key not published."
541 # find the key fingerprint
542 fingerprint=$(fingerprint_server_key)
545 gpg_authentication "--keyserver $KEYSERVER --send-keys '0x${fingerprint}!'"
549 # * check on the status and validity of the key and public certificates
562 # FIXME: what's the correct, cross-platform answer?
563 sshd_config=/etc/ssh/sshd_config
564 seckey=$(gpg_host --list-secret-keys --fingerprint --with-colons --fixed-list-mode)
565 keysfound=$(echo "$seckey" | grep -c ^sec:)
567 # warn when anything is 2 months away from expiration
568 warnwindow='2 months'
569 warndate=$(date +%s -d "$warnwindow")
571 echo "Checking host GPG key..."
572 if (( "$keysfound" < 1 )); then
573 echo "! No host key found."
574 echo " - Recommendation: run 'monkeysphere-server gen-key'"
575 elif (( "$keysfound" > 1 )); then
576 echo "! More than one host key found?"
577 # FIXME: recommend a way to resolve this
579 create=$(echo "$seckey" | grep ^sec: | cut -f6 -d:)
580 expire=$(echo "$seckey" | grep ^sec: | cut -f7 -d:)
581 fingerprint=$(echo "$seckey" | grep ^fpr: | head -n1 | cut -f10 -d:)
582 # check for key expiration:
583 if [ "$expire" ]; then
584 if (( "$expire" < "$curdate" )); then
585 echo "! Host key is expired."
586 echo " - Recommendation: extend lifetime of key with 'monkeysphere-server extend-key'"
587 elif (( "$expire" < "$warndate" )); then
588 echo "! Host key expires in less than $warnwindow:" $(date -d "$(( $expire - $curdate )) seconds" +%F)
589 echo " - Recommendation: extend lifetime of key with 'monkeysphere-server extend-key'"
594 if [ "$create" ] && (( "$create" > "$curdate" )); then
595 echo "! Host key was created in the future(?!). Is your clock correct?"
596 echo " - Recommendation: Check clock ($(date +%F_%T)); use NTP?"
599 # check for UserID expiration:
600 echo "$seckey" | grep ^uid: | cut -d: -f6,7,10 | \
601 while IFS=: read create expire uid ; do
602 # FIXME: should we be doing any checking on the form
603 # of the User ID? Should we be unmangling it somehow?
605 if [ "$create" ] && (( "$create" > "$curdate" )); then
606 echo "! User ID '$uid' was created in the future(?!). Is your clock correct?"
607 echo " - Recommendation: Check clock ($(date +%F_%T)); use NTP?"
609 if [ "$expire" ] ; then
610 if (( "$expire" < "$curdate" )); then
611 echo "! User ID '$uid' is expired."
612 # FIXME: recommend a way to resolve this
613 elif (( "$expire" < "$warndate" )); then
614 echo "! User ID '$uid' expires in less than $warnwindow:" $(date -d "$(( $expire - $curdate )) seconds" +%F)
615 # FIXME: recommend a way to resolve this
620 # FIXME: verify that the host key is properly published to the
621 # keyservers (do this with the non-privileged user)
623 # FIXME: check that there are valid, non-expired certifying signatures
624 # attached to the host key after fetching from the public keyserver
625 # (do this with the non-privileged user as well)
627 # FIXME: propose adding a revoker to the host key if none exist (do we
628 # have a way to do that after key generation?)
630 # Ensure that the ssh_host_rsa_key file is present and non-empty:
632 echo "Checking host SSH key..."
633 if [ ! -s "${VARLIB}/ssh_host_rsa_key" ] ; then
634 echo "! The host key as prepared for SSH (${VARLIB}/ssh_host_rsa_key) is missing or empty."
636 if [ $(stat -c '%a' "${VARLIB}/ssh_host_rsa_key") != 600 ] ; then
637 echo "! Permissions seem wrong for ${VARLIB}/ssh_host_rsa_key -- should be 0600."
640 # propose changes needed for sshd_config (if any)
641 if ! grep -q "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$" "$sshd_config"; then
642 echo "! $sshd_config does not point to the monkeysphere host key (${VARLIB}/ssh_host_rsa_key)."
643 echo " - Recommendation: add a line to $sshd_config: 'HostKey ${VARLIB}/ssh_host_rsa_key'"
645 if badhostkeys=$(grep -i '^HostKey' "$sshd_config" | grep -q -v "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$") ; then
646 echo "! $sshd_config refers to some non-monkeysphere host keys:"
648 echo " - Recommendation: remove the above HostKey lines from $sshd_config"
653 # FIXME: look at the ownership/privileges of the various keyrings,
654 # directories housing them, etc (what should those values be? can
655 # we make them as minimal as possible?)
657 # FIXME: look to see that the ownertrust rules are set properly on the
658 # authentication keyring
660 # FIXME: make sure that at least one identity certifier exists
663 echo "Checking for MonkeySphere-enabled public-key authentication for users ..."
664 # Ensure that User ID authentication is enabled:
665 if ! grep -q "^AuthorizedKeysFile[[:space:]]\+${VARLIB}/authorized_keys/%u$" "$sshd_config"; then
666 echo "! $sshd_config does not point to monkeysphere authorized keys."
667 echo " - Recommendation: add a line to $sshd_config: 'AuthorizedKeysFile ${VARLIB}/authorized_keys/%u'"
669 if badauthorizedkeys=$(grep -i '^AuthorizedKeysFile' "$sshd_config" | grep -q -v "^AuthorizedKeysFile[[:space:]]\+${VARLIB}/authorized_keys/%u$") ; then
670 echo "! $sshd_config refers to non-monkeysphere authorized_keys files:"
671 echo "$badauthorizedkeys"
672 echo " - Recommendation: remove the above AuthorizedKeysFile lines from $sshd_config"
676 # retrieve key from web of trust, import it into the host keyring, and
677 # ltsign the key in the host keyring so that it may certify other keys
687 # set default values for trust depth and domain
693 TEMP=$(getopt -o n:t:d: -l domain:,trust:,depth: -n "$PGRM" -- "$@")
695 if [ $? != 0 ] ; then
699 # Note the quotes around `$TEMP': they are essential!
726 if [ -z "$keyID" ] ; then
727 failure "You must specify the key ID of a key to add."
731 # get the key from the key server
732 gpg_authentication "--keyserver $KEYSERVER --recv-key '0x${keyID}!'"
734 # get the full fingerprint of a key ID
735 fingerprint=$(gpg_authentication "--list-key --with-colons --with-fingerprint 0x${keyID}!" | \
736 grep '^fpr:' | grep "$keyID" | cut -d: -f10)
738 if [ -z "$fingerprint" ] ; then
739 failure "Key '$keyID' not found."
744 gpg_authentication "--fingerprint 0x${fingerprint}!"
746 echo "Are you sure you want to add the above key as a"
747 read -p "certifier of users on this system? (y/N) " OK; OK=${OK:-N}
748 if [ "${OK/y/Y}" != 'Y' ] ; then
749 failure "Identity certifier not added."
752 # export the key to the host keyring
753 gpg_authentication "--export 0x${fingerprint}!" | gpg_host --import
755 if [ "$trust" == marginal ]; then
757 elif [ "$trust" == full ]; then
760 failure "Trust value requested ('$trust') was unclear (only 'marginal' or 'full' are supported)."
764 # NOTE: *all* user IDs will be ltsigned
765 ltsignCommand=$(cat <<EOF
777 if echo "$ltsignCommand" | \
778 gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}!" ; then
780 # update the trustdb for the authentication keyring
781 gpg_authentication "--check-trustdb"
784 echo "Identity certifier added."
786 failure "Problem adding identify certifier."
790 # delete a certifiers key from the host keyring
796 if [ -z "$keyID" ] ; then
797 failure "You must specify the key ID of a key to remove."
800 if gpg_authentication "--no-options --list-options show-uid-validity --keyring ${GNUPGHOME_AUTHENTICATION}/pubring.gpg --list-key 0x${keyID}!" ; then
801 read -p "Really remove above listed identity certifier? (y/N) " OK; OK=${OK:-N}
802 if [ "${OK/y/Y}" != 'Y' ] ; then
803 failure "Identity certifier not removed."
809 # delete the requested key
810 if gpg_authentication "--delete-key --batch --yes 0x${keyID}!" ; then
811 # delete key from host keyring as well
812 gpg_host --delete-key --batch --yes "0x${keyID}!"
814 # update the trustdb for the authentication keyring
815 gpg_authentication "--check-trustdb"
818 echo "Identity certifier removed."
820 failure "Problem removing identity certifier."
824 # list the host certifiers
829 # find trusted keys in authentication keychain
830 keys=$(gpg_authentication "--no-options --list-options show-uid-validity --keyring ${GNUPGHOME_AUTHENTICATION}/pubring.gpg --list-keys --with-colons --fingerprint" | \
831 grep ^pub: | cut -d: -f2,5 | egrep '^(u|f):' | cut -d: -f2)
834 for key in $keys ; do
835 gpg_authentication "--no-options --list-options show-uid-validity --keyring ${GNUPGHOME_AUTHENTICATION}/pubring.gpg --list-key --fingerprint $key"
839 # issue command to gpg-authentication keyring
840 gpg_authentication_cmd() {
841 gpg_authentication "$@"
844 ########################################################################
846 ########################################################################
848 # unset variables that should be defined only in config file
850 unset AUTHORIZED_USER_IDS
851 unset RAW_AUTHORIZED_KEYS
852 unset MONKEYSPHERE_USER
854 # load configuration file
855 [ -e ${MONKEYSPHERE_SERVER_CONFIG:="${ETC}/monkeysphere-server.conf"} ] && . "$MONKEYSPHERE_SERVER_CONFIG"
857 # set empty config variable with ones from the environment, or with
859 LOG_LEVEL=${MONKEYSPHERE_LOG_LEVEL:=${LOG_LEVEL:="INFO"}}
860 KEYSERVER=${MONKEYSPHERE_KEYSERVER:=${KEYSERVER:="subkeys.pgp.net"}}
861 AUTHORIZED_USER_IDS=${MONKEYSPHERE_AUTHORIZED_USER_IDS:=${AUTHORIZED_USER_IDS:="%h/.monkeysphere/authorized_user_ids"}}
862 RAW_AUTHORIZED_KEYS=${MONKEYSPHERE_RAW_AUTHORIZED_KEYS:=${RAW_AUTHORIZED_KEYS:="%h/.ssh/authorized_keys"}}
863 MONKEYSPHERE_USER=${MONKEYSPHERE_MONKEYSPHERE_USER:=${MONKEYSPHERE_USER:="monkeysphere"}}
866 CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:="true"}
867 REQUIRED_USER_KEY_CAPABILITY=${MONKEYSPHERE_REQUIRED_USER_KEY_CAPABILITY:="a"}
868 GNUPGHOME_HOST=${MONKEYSPHERE_GNUPGHOME_HOST:="${VARLIB}/gnupg-host"}
869 GNUPGHOME_AUTHENTICATION=${MONKEYSPHERE_GNUPGHOME_AUTHENTICATION:="${VARLIB}/gnupg-authentication"}
871 # export variables needed in su invocation
874 export MONKEYSPHERE_USER
877 export CHECK_KEYSERVER
878 export REQUIRED_USER_KEY_CAPABILITY
879 export GNUPGHOME_HOST
880 export GNUPGHOME_AUTHENTICATION
885 [ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
889 'update-users'|'update-user'|'u')
901 'add-hostname'|'add-name'|'n+')
905 'revoke-hostname'|'revoke-name'|'n-')
909 'show-key'|'show'|'s')
913 'publish-key'|'publish'|'p')
921 'add-identity-certifier'|'add-id-certifier'|'add-certifier'|'c+')
925 'remove-identity-certifier'|'remove-id-certifier'|'remove-certifier'|'c-')
926 remove_certifier "$@"
929 'list-identity-certifiers'|'list-id-certifiers'|'list-certifiers'|'list-certifier'|'c')
933 'gpg-authentication-cmd')
934 gpg_authentication_cmd "$@"
937 '--help'|'help'|'-h'|'h'|'?')
942 failure "Unknown command: '$COMMAND'
943 Type '$PGRM help' for usage."