3 # monkeysphere-host: Monkeysphere host admin tool
5 # The monkeysphere scripts are written by:
6 # Jameson Rollins <jrollins@finestructure.net>
7 # Jamie McClelland <jm@mayfirst.org>
8 # Daniel Kahn Gillmor <dkg@fifthhorseman.net>
9 # Micah Anderson <micah@riseup.net>
11 # They are Copyright 2008-2010, and are all released under the GPL,
14 ########################################################################
17 # set the pipefail option so pipelines fail on first command failure
22 SYSSHAREDIR=${MONKEYSPHERE_SYSSHAREDIR:-"/usr/share/monkeysphere"}
24 . "${SYSSHAREDIR}/defaultenv"
25 . "${SYSSHAREDIR}/common"
27 SYSDATADIR=${MONKEYSPHERE_SYSDATADIR:-"/var/lib/monkeysphere"}
30 # sharedir for host functions
31 MHSHAREDIR="${SYSSHAREDIR}/mh"
33 # datadir for host functions
34 MHDATADIR="${SYSDATADIR}/host"
37 HOST_KEY_FILE="${SYSDATADIR}/host_keys.pub.gpg"
39 # UTC date in ISO 8601 format if needed
40 DATE=$(date -u '+%FT%T')
42 # unset some environment variables that could screw things up
45 ########################################################################
47 ########################################################################
51 usage: $PGRM <subcommand> [options] [args]
52 Monkeysphere host admin tool.
55 import-key (i) FILE SERVICENAME import PEM-encoded key from file
56 show-keys (s) [KEYID ...] output host key information
57 publish-keys (p) [KEYID ...] publish key(s) to keyserver
58 set-expire (e) EXPIRE [KEYID] set key expiration
59 add-servicename (n+) SERVICENAME [KEYID]
60 add a service name to key
61 revoke-servicename (n-) SERVICENAME [KEYID]
62 revoke a service name from key
63 add-revoker (r+) REVOKER_KEYID|FILE [KEYID]
65 revoke-key [KEYID] generate and/or publish revocation
68 version (v) show version number
71 See ${PGRM}(8) for more info.
75 # function to interact with the gpg keyring
77 GNUPGHOME="$GNUPGHOME_HOST" gpg --no-greeting --quiet --no-tty "$@"
80 # list the info about the a key, in colon format, to stdout
81 gpg_host_list_keys() {
82 gpg_host --list-keys --with-colons --fixed-list-mode \
83 --with-fingerprint --with-fingerprint \
87 # edit key scripts, takes scripts on stdin, and keyID as first input
89 gpg_host --command-fd 0 --edit-key "$@"
92 # export the monkeysphere gpg pub key file
93 update_gpg_pub_file() {
94 log debug "updating openpgp public key file '$HOST_KEY_FILE'..."
95 gpg_host --export --armor --export-options export-minimal > "$HOST_KEY_FILE"
96 log debug "updating fingerprint file '$HOST_KEY_FPR_FILE'..."
97 gpg_host --list-secret-key --with-colons --with-fingerprint \
98 | awk -F: '/^fpr:/{ print $10 }' > "$HOST_KEY_FPR_FILE"
101 host_fingerprints() {
102 local fprs=($(<"$HOST_KEY_FILE" "$SYSSHAREDIR/keytrans" listfprs))
104 log debug "host key fingerprints:"
105 printf '%s\n' "${fprs[@]}" | log debug
106 printf '%s\n' "${fprs[@]}"
109 # check that the service name is well formed
110 check_service_name() {
112 log error "FIX ME: check service name"
115 # fail if host key not present
117 [ -s "$HOST_KEY_FILE" ] \
118 || failure "You don't appear to have a Monkeysphere host key on this server.
119 Please run 'monkeysphere-host import-key' import a key."
122 # key input to functions, outputs full fingerprint of specified key if
126 # array of fingerprints
127 local fprs=($(host_fingerprints))
131 failure "You don't appear to have any Monkeysphere host keys.
132 Please run 'monkeysphere-host import-key' to import a key."
138 if [ -z "$keyID" ] ; then
139 failure "Your host keyring contains multiple keys.
140 Please specify one to act on (see 'monkeysphere-host show-key')."
144 printf '%s\n' "${fprs[@]}" | grep "${keyID}$" \
145 || failure "Host key '$keyID' not found."
148 # return 0 if user ID was found.
149 # return 1 if user ID not found.
155 # match to only "unknown" user IDs (host has no need for ultimate trust)
156 tmpuidMatch="uid:-:$(echo $userID | gpg_escape)"
158 # See whether the requsted user ID is present
159 gpg_host_list_keys "$keyID" | cut -f1,2,10 -d: | \
160 grep -q -x -F "$tmpuidMatch" 2>/dev/null
163 # run command looped over keys
169 local fprs=($(host_fingerprints))
174 if [[ -z "$1" || "$1" == '--all' ]] ; then
178 for key in $keys ; do
179 if (( i++ > 0 )) ; then
180 echo "##############################"
186 # show info about the a key
195 export GNUPGHOME=$(msmktempdir)
197 # trap to remove tmp dir if break
198 trap "rm -rf $GNUPGHOME" EXIT
200 # import the host key into the tmp dir
201 gpg --quiet --import <"$HOST_KEY_FILE"
203 # get the gpg fingerprint
204 if gpg --quiet --list-keys \
205 --with-colons --with-fingerprint "$id" \
206 | grep '^fpr:' | cut -d: -f10 > "$GNUPGHOME"/fingerprint ; then
207 fingerprint=$(cat "$GNUPGHOME"/fingerprint)
209 failure "ID '$id' not found."
213 tmpssh="$GNUPGHOME"/ssh_host_key_rsa_pub
214 gpg --export "$fingerprint" 2>/dev/null \
215 | openpgp2ssh 2>/dev/null >"$tmpssh"
217 # list the host key info
218 # FIXME: make no-show-keyring work so we don't have to do the grep'ing
219 # FIXME: can we show uid validity somehow?
220 gpg --list-keys --list-options show-unusable-uids "$fingerprint" 2>/dev/null \
221 | grep -v "^${GNUPGHOME}/pubring.gpg$" \
224 # list revokers, if there are any
225 revokers=$(gpg --list-keys --with-colons --fixed-list-mode "$fingerprint" \
226 | awk -F: '/^rvk:/{ print $10 }' )
227 if [ "$revokers" ] ; then
228 echo "The following keys are allowed to revoke this host key:"
229 for key in $revokers ; do
235 # list the pgp fingerprint
236 echo "OpenPGP fingerprint: $fingerprint"
238 # list the ssh fingerprint
239 echo -n "ssh fingerprint: "
240 ssh-keygen -l -f "$tmpssh" | awk '{ print $1, $2, $4 }'
242 # remove the tmp file
247 ########################################################################
249 ########################################################################
251 # load configuration file
252 [ -e ${MONKEYSPHERE_HOST_CONFIG:="${SYSCONFIGDIR}/monkeysphere-host.conf"} ] \
253 && . "$MONKEYSPHERE_HOST_CONFIG"
255 # set empty config variable with ones from the environment, or with
257 LOG_LEVEL=${MONKEYSPHERE_LOG_LEVEL:=$LOG_LEVEL}
258 KEYSERVER=${MONKEYSPHERE_KEYSERVER:=$KEYSERVER}
259 CHECK_KEYSERVER=${MONKEYSPHERE_CHECK_KEYSERVER:=$CHECK_KEYSERVER}
260 MONKEYSPHERE_USER=${MONKEYSPHERE_MONKEYSPHERE_USER:=$MONKEYSPHERE_USER}
261 MONKEYSPHERE_GROUP=$(get_primary_group "$MONKEYSPHERE_USER")
262 PROMPT=${MONKEYSPHERE_PROMPT:=$PROMPT}
265 GNUPGHOME_HOST=${MONKEYSPHERE_GNUPGHOME_HOST:="${MHDATADIR}"}
266 LOG_PREFIX=${MONKEYSPHERE_LOG_PREFIX:='ms: '}
268 # export variables needed in su invocation
272 export CHECK_KEYSERVER
273 export MONKEYSPHERE_USER
274 export MONKEYSPHERE_GROUP
276 export GNUPGHOME_HOST
278 export HOST_FINGERPRINT
281 if [ "$#" -eq 0 ] ; then
283 failure "Please supply a subcommand."
292 source "${MHSHAREDIR}/import_key"
296 'show-keys'|'show-key'|'show'|'s')
297 multi_key show_key "$@"
300 'set-expire'|'extend-key'|'e')
301 source "${MHSHAREDIR}/set_expire"
305 'add-servicename'|'add-hostname'|'add-name'|'n+')
306 source "${MHSHAREDIR}/add_name"
310 'revoke-servicename'|'revoke-hostname'|'revoke-name'|'n-')
311 source "${MHSHAREDIR}/revoke_name"
316 source "${MHSHAREDIR}/add_revoker"
321 source "${MHSHAREDIR}/revoke_key"
325 'publish-keys'|'publish-key'|'publish'|'p')
326 source "${MHSHAREDIR}/publish_key"
327 multi_key publish_key "$@"
331 source "${MHSHAREDIR}/diagnostics"
335 'update-gpg-pub-file')
343 '--help'|'help'|'-h'|'h'|'?')
348 failure "Unknown command: '$COMMAND'
349 Try '$PGRM help' for usage."