subcommands:
update-users (s) [USER]... update users authorized_keys files
gen-key (g) [HOSTNAME] generate gpg key for the server
+ show-fingerprint (f) show server's host key fingerprint
publish-key (p) publish server key to keyserver
trust-keys (t) KEYID... mark keyids as trusted
- update-user-userids (u) USER UID... add/update user IDs for a user
- remove-user-userids (r) USER UID... remove user IDs for a user
help (h,?) this help
EOF
)
# add the revoker field if requested
+# FIXME: the 1: below assumes that $REVOKER's key is an RSA key. why?
+# FIXME: why is this marked "sensitive"? how will this signature ever
+# be transmitted to the expected revoker?
if [ "$REVOKER" ] ; then
keyParameters="${keyParameters}"$(cat <<EOF
log -n "generating server key... "
echo "$keyParameters" | gpg --batch --gen-key
loge "done."
+ fingerprint_server_key
+}
+
+fingerprint_server_key() {
+ gpg --fingerprint --list-secret-keys =ssh://$(hostname --fqdn)
}
########################################################################
KEYSERVER=${KEYSERVER:-"subkeys.pgp.net"}
CHECK_KEYSERVER=${CHECK_KEYSERVER:="true"}
REQUIRED_USER_KEY_CAPABILITY=${REQUIRED_USER_KEY_CAPABILITY:-"a"}
+AUTHORIZED_USER_IDS=${AUTHORIZED_USER_IDS:-"%h/.config/monkeysphere/authorized_user_ids"}
USER_CONTROLLED_AUTHORIZED_KEYS=${USER_CONTROLLED_AUTHORIZED_KEYS:-"%h/.ssh/authorized_keys"}
export GNUPGHOME
case $COMMAND in
'update-users'|'update-user'|'s')
if [ "$1" ] ; then
+ # get users from command line
unames="$@"
else
- unames=$(ls -1 "${MS_HOME}/authorized_user_ids")
+ # or just look at all users if none specified
+ unames=$(getent passwd | cut -d: -f1)
fi
+ # loop over users
for uname in $unames ; do
MODE="authorized_keys"
+ # check all specified users exist
+ if ! getent passwd "$uname" >/dev/null ; then
+ error "----- unknown user '$uname' -----"
+ continue
+ fi
+
+ # set authorized_user_ids variable,
+ # translate ssh-style path variables
+ authorizedUserIDs=$(translate_ssh_variables "$uname" "$AUTHORIZED_USER_IDS")
+
+ # skip user if authorized_user_ids file does not exist
+ if [ ! -f "$authorizedUserIDs" ] ; then
+ continue
+ fi
+
log "----- user: $uname -----"
- # set variables for the user
- AUTHORIZED_USER_IDS="${MS_HOME}/authorized_user_ids/${uname}"
# temporary authorized_keys file
- AUTHORIZED_KEYS="${CACHE}/authorized_keys/${uname}.tmp"
-
- # make sure user's authorized_user_ids file exists
- touch "$AUTHORIZED_USER_IDS"
- # make sure the authorized_keys file exists and is clear
- > "$AUTHORIZED_KEYS"
+ AUTHORIZED_KEYS=$(mktemp)
# skip if the user's authorized_user_ids file is empty
- if [ ! -s "$AUTHORIZED_USER_IDS" ] ; then
- log "authorized_user_ids file for '$uname' is empty."
+ if [ ! -s "$authorizedUserIDs" ] ; then
+ log "authorized_user_ids file '$authorizedUserIDs' is empty."
continue
fi
# process authorized_user_ids file
log "processing authorized_user_ids file..."
- process_authorized_user_ids
+ process_authorized_user_ids "$authorizedUserIDs"
# add user-controlled authorized_keys file path if specified
if [ "$USER_CONTROLLED_AUTHORIZED_KEYS" != '-' ] ; then
- userHome=$(getent passwd "$uname" | cut -d: -f6)
- userAuthorizedKeys=${USER_CONTROLLED_AUTHORIZED_KEYS/\%h/"$userHome"}
- log -n "adding user's authorized_keys file... "
- cat "$userAuthorizedKeys" >> "$AUTHORIZED_KEYS"
- loge "done."
+ userAuthorizedKeys=$(translate_ssh_variables "$uname" "$USER_CONTROLLED_AUTHORIZED_KEYS")
+ if [ -f "$userAuthorizedKeys" ] ; then
+ log -n "adding user's authorized_keys file... "
+ cat "$userAuthorizedKeys" >> "$AUTHORIZED_KEYS"
+ loge "done."
+ fi
fi
# move the temp authorized_keys file into place
- mv -f "${CACHE}/authorized_keys/${uname}.tmp" "${CACHE}/authorized_keys/${uname}"
+ mv -f "$AUTHORIZED_KEYS" "${CACHE}/authorized_keys/${uname}"
log "authorized_keys file updated."
done
-
- log "----- done. -----"
;;
'gen-key'|'g')
gen_key "$1"
;;
+ 'show-fingerprint'|'f')
+ fingerprint_server_key
+ ;;
+
'publish-key'|'p')
publish_server_key
;;
done
;;
- 'update-user-userids'|'update-user-userid'|'u')
- uname="$1"
- shift
- if [ -z "$uname" ] ; then
- failure "You must specify user."
- fi
- if [ -z "$1" ] ; then
- failure "You must specify at least one user ID."
- fi
-
- # set variables for the user
- AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname"
-
- # make sure user's authorized_user_ids file exists
- touch "$AUTHORIZED_USER_IDS"
-
- # process the user IDs
- for userID ; do
- update_userid "$userID"
- done
-
- log "Run the following to update user's authorized_keys file:"
- log "$PGRM update-users $uname"
- ;;
-
- 'remove-user-userids'|'remove-user-userid'|'r')
- uname="$1"
- shift
- if [ -z "$uname" ] ; then
- failure "You must specify user."
- fi
- if [ -z "$1" ] ; then
- failure "You must specify at least one user ID."
- fi
-
- # set variables for the user
- AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname"
-
- # make sure user's authorized_user_ids file exists
- touch "$AUTHORIZED_USER_IDS"
-
- # process the user IDs
- for userID ; do
- remove_userid "$userID"
- done
-
- log "Run the following to update user's authorized_keys file:"
- log "$PGRM update-users $uname"
- ;;
-
'help'|'h'|'?')
usage
;;
Type '$PGRM help' for usage."
;;
esac
+
+exit "$ERR"