3 # monkeysphere-server: MonkeySphere server admin tool
5 # The monkeysphere scripts are written by:
6 # Jameson Rollins <jrollins@fifthhorseman.net>
8 # They are Copyright 2008, and are all released under the GPL, version 3
11 ########################################################################
14 SHAREDIR=${SHAREDIR:-"/usr/share/monkeysphere"}
16 . "${SHAREDIR}/common"
18 # date in UTF format if needed
19 DATE=$(date -u '+%FT%T')
21 # unset some environment variables that could screw things up
24 ########################################################################
26 ########################################################################
30 usage: $PGRM <subcommand> [args]
31 MonkeySphere server admin tool.
34 update-users (s) [USER]... update users authorized_keys files
35 gen-key (g) generate gpg key for the server
36 publish-key (p) publish server key to keyserver
37 trust-keys (t) KEYID... mark keyids as trusted
38 update-user-userids (u) USER UID... add/update user IDs for a user
39 remove-user-userids (r) USER UID... remove user IDs for a user
45 # generate server gpg key
48 KEY_TYPE=${KEY_TYPE:-"RSA"}
49 KEY_LENGTH=${KEY_LENGTH:-"2048"}
50 KEY_USAGE=${KEY_USAGE:-"encrypt,auth"}
51 SERVICE=${SERVICE:-"ssh"}
52 HOSTNAME_FQDN=${HOSTNAME_FQDN:-$(hostname -f)}
54 USERID=${USERID:-"$SERVICE"://"$HOSTNAME_FQDN"}
57 keyParameters=$(cat <<EOF
59 Key-Length: $KEY_LENGTH
65 # add the revoker field if requested
66 if [ "$REVOKER" ] ; then
67 keyParameters="${keyParameters}"$(cat <<EOF
69 Revoker: 1:$REVOKER sensitive
74 echo "The following key parameters will be used:"
77 read -p "generate key? [Y|n]: " OK; OK=${OK:=Y}
78 if [ ${OK/y/Y} != 'Y' ] ; then
82 if gpg --list-key ="$USERID" > /dev/null 2>&1 ; then
83 failure "key for '$USERID' already exists"
87 keyParameters="${keyParameters}"$(cat <<EOF
94 log "generating server key..."
95 echo "$keyParameters" | gpg --batch --gen-key
98 ########################################################################
100 ########################################################################
103 [ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
106 # set ms home directory
107 MS_HOME=${MS_HOME:-"$ETC"}
109 # load configuration file
110 MS_CONF=${MS_CONF:-"$MS_HOME"/monkeysphere-server.conf}
111 [ -e "$MS_CONF" ] && . "$MS_CONF"
113 # set empty config variable with defaults
114 GNUPGHOME=${GNUPGHOME:-"$MS_HOME"/gnupg}
115 KEYSERVER=${KEYSERVER:-subkeys.pgp.net}
116 REQUIRED_KEY_CAPABILITY=${REQUIRED_KEY_CAPABILITY:-"e a"}
117 USER_CONTROLLED_AUTHORIZED_KEYS=${USER_CONTROLLED_AUTHORIZED_KEYS:-%h/.ssh/authorized_keys}
121 # make sure gpg home exists with proper permissions
122 mkdir -p -m 0700 "$GNUPGHOME"
125 'update-users'|'update-user'|'s')
129 unames=$(ls -1 "$MS_HOME"/authorized_user_ids)
132 for uname in $unames ; do
133 MODE="authorized_keys"
135 log "----- user: $uname -----"
137 # set variables for the user
138 AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname"
139 msAuthorizedKeys="$CACHE"/"$uname"/authorized_keys
140 cacheDir="$CACHE"/"$uname"/user_keys
142 # make sure user's authorized_user_ids file exists
143 touch "$AUTHORIZED_USER_IDS"
145 # skip if the user's authorized_user_ids file is empty
146 if [ ! -s "$AUTHORIZED_USER_IDS" ] ; then
147 log "authorized_user_ids file for '$uname' is empty."
151 # set user-controlled authorized_keys file path
152 if [ "$USER_CONTROLLED_AUTHORIZED_KEYS" ] ; then
153 userHome=$(getent passwd "$uname" | cut -d: -f6)
154 userAuthorizedKeys=${USER_CONTROLLED_AUTHORIZED_KEYS/\%h/"$userHome"}
157 # update authorized_keys
158 update_authorized_keys "$msAuthorizedKeys" "$userAuthorizedKeys" "$cacheDir"
161 log "----- done. -----"
172 'trust-keys'|'trust-key'|'t')
173 if [ -z "$1" ] ; then
174 failure "you must specify at least one key to trust."
183 'update-user-userids'|'update-user-userid'|'u')
186 if [ -z "$uname" ] ; then
187 failure "you must specify user."
189 if [ -z "$1" ] ; then
190 failure "you must specify at least one userid."
193 # set variables for the user
194 AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname"
195 cacheDir="$CACHE"/"$uname"/user_keys
197 # make sure user's authorized_user_ids file exists
198 touch "$AUTHORIZED_USER_IDS"
200 # process the user IDs
202 update_userid "$userID" "$cacheDir"
205 log "run the following to update user's authorized_keys file:"
206 log "$PGRM update-users $uname"
209 'remove-user-userids'|'remove-user-userid'|'r')
212 if [ -z "$uname" ] ; then
213 failure "you must specify user."
215 if [ -z "$1" ] ; then
216 failure "you must specify at least one userid."
219 # set variables for the user
220 AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname"
222 # make sure user's authorized_user_ids file exists
223 touch "$AUTHORIZED_USER_IDS"
225 # process the user IDs
227 remove_userid "$userID"
230 log "run the following to update user's authorized_keys file:"
231 log "$PGRM update-users $uname"
239 failure "Unknown command: '$COMMAND'
240 Type '$PGRM help' for usage."