diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/common | 154 | ||||
| -rwxr-xr-x | src/monkeysphere | 77 | ||||
| -rwxr-xr-x | src/monkeysphere-server | 79 |
3 files changed, 203 insertions, 107 deletions
@@ -23,14 +23,8 @@ failure() { exit ${2:-'1'} } -# write output to stdout -log() { - echo -n "ms: " - echo "$@" -} - # write output to stderr -loge() { +log() { echo -n "ms: " 1>&2 echo "$@" 1>&2 } @@ -48,7 +42,7 @@ cutline() { # retrieve all keys with given user id from keyserver # FIXME: need to figure out how to retrieve all matching keys # (not just first 5) -gpg_fetch_keys() { +gpg_fetch_userid() { local id id="$1" echo 1,2,3,4,5 | \ @@ -75,6 +69,18 @@ check_capability() { return 0 } +# get the full fingerprint of a key ID +get_key_fingerprint() { + local keyID + + keyID="$1" + + gpg --list-key --with-colons --fixed-list-mode \ + --with-fingerprint "$keyID" | grep "$keyID" | \ + grep '^fpr:' | cut -d: -f10 +} + + # convert escaped characters from gpg output back into original # character # FIXME: undo all escape character translation in with-colons gpg output @@ -145,7 +151,7 @@ process_user_id() { requiredPubCapability=$(echo "$REQUIRED_KEY_CAPABILITY" | tr "[:lower:]" "[:upper:]") # fetch keys from keyserver, return 1 if none found - gpg_fetch_keys "$userID" || return 1 + gpg_fetch_userid "$userID" || return 1 # output gpg info for (exact) userid and store gpgOut=$(gpg --fixed-list-mode --list-key --with-colons \ @@ -153,7 +159,7 @@ process_user_id() { # return 1 if there only "tru" lines are output from gpg if [ -z "$(echo "$gpgOut" | grep -v '^tru:')" ] ; then - loge " key not found." + log " key not found." return 1 fi @@ -182,18 +188,18 @@ process_user_id() { # check primary key validity if [ "$validity" != 'u' -a "$validity" != 'f' ] ; then - loge " unacceptable primary key validity ($validity)." + log " unacceptable primary key validity ($validity)." continue fi # check capability is not Disabled... if check_capability "$capability" 'D' ; then - loge " key disabled." + log " key disabled." continue fi # check overall key capability # must be Encryption and Authentication if ! check_capability "$capability" $requiredPubCapability ; then - loge " unacceptable primary key capability ($capability)." + log " unacceptable primary key capability ($capability)." continue fi @@ -234,6 +240,9 @@ process_user_id() { # hash userid for cache file name userIDHash=$(echo "$userID" | sha1sum | awk '{ print $1 }') + # make sure the cache directory exists + mkdir -p "$cacheDir" + # touch/clear key cache file # (will be left empty if there are noacceptable keys) > "$cacheDir"/"$userIDHash"."$pubKeyID" @@ -242,7 +251,7 @@ process_user_id() { # key cache file if [ "$keyOK" -a "$uidOK" -a "${keyIDs[*]}" ] ; then for keyID in ${keyIDs[@]} ; do - loge " acceptable key/uid found." + log " acceptable key/uid found." if [ "$MODE" = 'known_hosts' ] ; then # export the key @@ -267,6 +276,54 @@ process_user_id() { echo "$cacheDir"/"$userIDHash"."$pubKeyID" } +# update the cache for userid, and prompt to add file to +# authorized_user_ids file if the userid is found in gpg +# and not already in file. +update_userid() { + local userID + local cacheDir + local userIDKeyCache + + userID="$1" + cacheDir="$2" + + log "processing userid: '$userID'" + + userIDKeyCache=$(process_user_id "$userID" "$cacheDir") + + if [ -z "$userIDKeyCache" ] ; then + return 1 + fi + if ! grep -q "^${userID}\$" "$AUTHORIZED_USER_IDS" ; then + read -p "user ID not currently authorized. authorize? [Y|n]: " OK; OK=${OK:=Y} + if [ ${OK/y/Y} = 'Y' ] ; then + log -n "adding user ID to authorized_user_ids file... " + echo "$userID" >> "$AUTHORIZED_USER_IDS" + echo "done." + else + log "authorized_user_ids file untouched." + fi + fi +} + +# remove a userid from the authorized_user_ids file +remove_userid() { + local userID + + userID="$1" + + log "processing userid: '$userID'" + + if ! grep -q "^${userID}\$" "$AUTHORIZED_USER_IDS" ; then + log "user ID not currently authorized." + return 1 + fi + + log -n "removing user ID '$userID'... " + grep -v "$userID" "$AUTHORIZED_USER_IDS" | sponge "$AUTHORIZED_USER_IDS" + echo "done." +} + # process a host for addition to a known_host file process_host() { local host @@ -298,11 +355,11 @@ process_known_hosts() { cacheDir="$2" # take all the hosts from the known_hosts file (first field), - # grep out all the hashed hosts (lines starting with '|') + # grep out all the hashed hosts (lines starting with '|')... cut -d ' ' -f 1 "$knownHosts" | \ grep -v '^|.*$' | \ while IFS=, read -r -a hosts ; do - # process each host + # ...and process each host for host in ${hosts[*]} ; do process_host "$host" "$cacheDir" done @@ -337,7 +394,8 @@ update_authorized_keys() { cat "$userAuthorizedKeys" >> "$msAuthorizedKeys" echo "done." fi - log "monkeysphere authorized_keys file generated: $msAuthorizedKeys" + log "monkeysphere authorized_keys file generated:" + log "$msAuthorizedKeys" } # process an authorized_*_ids file @@ -398,42 +456,38 @@ process_userids_from_authorized_keys() { done } -# update the cache for userid, and prompt to add file to -# authorized_user_ids file if the userid is found in gpg -# and not already in file. -update_userid() { - local userID - local cacheDir - local userIDKeyCache - - userID="$1" - cacheDir="$2" - - log "processing userid: '$userID'" - userIDKeyCache=$(process_user_id "$userID" "$cacheDir") - if [ -z "$userIDKeyCache" ] ; then - return 1 - fi - if ! grep -q "^${userID}\$" "$AUTHORIZED_USER_IDS" ; then - echo "the following userid is not in the authorized_user_ids file:" - echo " $userID" - read -p "would you like to add? [Y|n]: " OK; OK=${OK:=Y} - if [ ${OK/y/Y} = 'Y' ] ; then - log -n " adding userid to authorized_user_ids file... " - echo "$userID" >> "$AUTHORIZED_USER_IDS" - echo "done." - fi - fi -} - # retrieve key from web of trust, and set owner trust to "full" # if key is found. trust_key() { # get the key from the key server - gpg --keyserver "$KEYSERVER" --recv-key "$keyID" || failure "could not retrieve key '$keyID'" + if ! gpg --keyserver "$KEYSERVER" --recv-key "$keyID" ; then + log "could not retrieve key '$keyID'" + return 1 + fi + + # get key fingerprint + fingerprint=$(get_key_fingerprint "$keyID") + + # import "full" trust for fingerprint into gpg + echo ${fingerprint}:5: | gpg --import-ownertrust + if [ $? = 0 ] ; then + log "owner trust updated." + else + failure "there was a problem changing owner trust." + fi +} + +# publish server key to keyserver +publish_server_key() { + read -p "really publish key to $KEYSERVER? [y|N]: " OK; OK=${OK:=N} + if [ ${OK/y/Y} != 'Y' ] ; then + failure "aborting." + fi - # edit the key to change trust - # FIXME: need to figure out how to automate this, - # in a batch mode or something. - gpg --edit-key "$keyID" + # publish host key + # FIXME: need to figure out better way to identify host key + # dummy command so as not to publish fakes keys during testing + # eventually: + #gpg --send-keys --keyserver "$KEYSERVER" $(hostname -f) + echo "NOT PUBLISHED: gpg --send-keys --keyserver $KEYSERVER $(hostname -f)" } diff --git a/src/monkeysphere b/src/monkeysphere index 6e71765..1ba51d7 100755 --- a/src/monkeysphere +++ b/src/monkeysphere @@ -15,7 +15,7 @@ SHAREDIR=${SHAREDIR:-"/usr/share/monkeysphere"} export SHAREDIR . "${SHAREDIR}/common" -GLOBAL_CONFIG=${GLOBAL_CONFIG:-"${ETC}"/monkeysphere.conf} +GLOBAL_CONFIG=${GLOBAL_CONFIG:-"${ETC}/monkeysphere.conf"} [ -r "$GLOBAL_CONFIG" ] && . "$GLOBAL_CONFIG" # date in UTF format if needed @@ -31,11 +31,12 @@ GREP_OPTIONS= usage() { cat <<EOF usage: $PGRM <subcommand> [args] -Monkeysphere client tool. +MonkeySphere client tool. subcommands: update-known_hosts (k) [HOST]... update known_hosts file - update-userids (u) [USERID]... add/update userid + update-userids (u) [USERID]... add/update user IDs + remove-userids (r) [USERID]... remove user IDs update-authorized_keys (a) update authorized_keys file gen-ae-subkey (g) KEYID generate an 'ae' capable subkey help (h,?) this help @@ -63,7 +64,7 @@ gen_ae_subkey(){ # return 1 if there only "tru" lines are output from gpg if [ -z "$(echo "$gpgOut" | grep -v '^tru:')" ] ; then - loge " key not found." + log " key not found." return 1 fi @@ -78,7 +79,7 @@ Name-Real: $userID EOF ) - log "The following key parameters will be used:" + echo "The following key parameters will be used:" echo "$keyParameters" read -p "generate key? [Y|n]: " OK; OK=${OK:=Y} @@ -107,27 +108,27 @@ COMMAND="$1" shift # set ms home directory -MS_HOME=${MS_HOME:-"$HOME"/.config/monkeysphere} +MS_HOME=${MS_HOME:-"${HOME}/.config/monkeysphere"} # load configuration file -MS_CONF=${MS_CONF:-"$MS_HOME"/monkeysphere.conf} +MS_CONF=${MS_CONF:-"${MS_HOME}/monkeysphere.conf"} [ -e "$MS_CONF" ] && . "$MS_CONF" # set empty config variable with defaults -AUTHORIZED_USER_IDS=${AUTHORIZED_USER_IDS:-"$MS_HOME"/authorized_user_ids} -GNUPGHOME=${GNUPGHOME:-"$HOME"/.gnupg} -KEYSERVER=${KEYSERVER:-subkeys.pgp.net} +AUTHORIZED_USER_IDS=${AUTHORIZED_USER_IDS:-"${MS_HOME}/authorized_user_ids"} +GNUPGHOME=${GNUPGHOME:-"${HOME}/.gnupg"} +KEYSERVER=${KEYSERVER:-"subkeys.pgp.net"} REQUIRED_KEY_CAPABILITY=${REQUIRED_KEY_CAPABILITY:-"e a"} -USER_CONTROLLED_AUTHORIZED_KEYS=${USER_CONTROLLED_AUTHORIZED_KEYS:-%h/.ssh/authorized_keys} -USER_KNOWN_HOSTS=${USER_KNOWN_HOSTS:-"$HOME"/.ssh/known_hosts} -HASH_KNOWN_HOSTS=${HASH_KNOWN_HOSTS:-} +USER_CONTROLLED_AUTHORIZED_KEYS=${USER_CONTROLLED_AUTHORIZED_KEYS:-"%h/.ssh/authorized_keys"} +USER_KNOWN_HOSTS=${USER_KNOWN_HOSTS:-"${HOME}/.ssh/known_hosts"} +HASH_KNOWN_HOSTS=${HASH_KNOWN_HOSTS:-"true"} export GNUPGHOME # stagging locations -hostKeysCacheDir="$MS_HOME"/host_keys -userKeysCacheDir="$MS_HOME"/user_keys -msAuthorizedKeys="$MS_HOME"/authorized_keys +hostKeysCacheDir="${MS_HOME}/host_keys" +userKeysCacheDir="${MS_HOME}/user_keys" +msAuthorizedKeys="${MS_HOME}/authorized_keys" # make sure gpg home exists with proper permissions mkdir -p -m 0700 "$GNUPGHOME" @@ -136,12 +137,14 @@ mkdir -p -m 0700 "$GNUPGHOME" mkdir -p -m 0700 "$MS_HOME" mkdir -p "$hostKeysCacheDir" mkdir -p "$userKeysCacheDir" +touch "$AUTHORIZED_USER_IDS" case $COMMAND in 'update-known_hosts'|'update-known-hosts'|'k') MODE='known_hosts' # touch the known_hosts file to make sure it exists + # ssh-keygen complains if it doesn't exist touch "$USER_KNOWN_HOSTS" # if hosts are specified on the command line, process just @@ -151,8 +154,8 @@ case $COMMAND in process_host "$host" "$hostKeysCacheDir" done - # otherwise, if no hosts are specified, process the user - # known_hosts file + # otherwise, if no hosts are specified, process every user + # in the user's known_hosts file else if [ ! -s "$USER_KNOWN_HOSTS" ] ; then failure "known_hosts file '$USER_KNOWN_HOSTS' is empty." @@ -162,13 +165,34 @@ case $COMMAND in fi ;; + 'update-userids'|'update-userid'|'u') + if [ -z "$1" ] ; then + failure "you must specify at least one userid." + fi + for userID ; do + update_userid "$userID" "$userKeysCacheDir" + done + log "run the following to update your monkeysphere authorized_keys file:" + log "$PGRM update-authorized_keys" + ;; + + 'remove-userids'|'remove-userid'|'r') + if [ -z "$1" ] ; then + failure "you must specify at least one userid." + fi + for userID ; do + remove_userid "$userID" + done + log "run the following to update your monkeysphere authorized_keys file:" + log "$PGRM update-authorized_keys" + ;; + 'update-authorized_keys'|'update-authorized-keys'|'a') MODE='authorized_keys' - # make sure authorized_user_ids file exists + # fail if the authorized_user_ids file is empty if [ ! -s "$AUTHORIZED_USER_IDS" ] ; then - log "authorized_user_ids file is empty or does not exist." - exit + failure "$AUTHORIZED_USER_IDS is empty." fi # set user-controlled authorized_keys file path @@ -178,15 +202,6 @@ case $COMMAND in update_authorized_keys "$msAuthorizedKeys" "$userAuthorizedKeys" "$userKeysCacheDir" ;; - 'update-userids'|'u') - if [ -z "$1" ] ; then - failure "you must specify at least one userid." - fi - for userID ; do - update_userid "$userID" "$userKeysCacheDir" - done - ;; - 'gen-ae-subkey'|'g') keyID="$1" if [ -z "$keyID" ] ; then @@ -201,6 +216,6 @@ case $COMMAND in *) failure "Unknown command: '$COMMAND' -Type 'cereal-admin help' for usage." +Type '$PGRM help' for usage." ;; esac diff --git a/src/monkeysphere-server b/src/monkeysphere-server index 0ff06af..13221c5 100755 --- a/src/monkeysphere-server +++ b/src/monkeysphere-server @@ -28,14 +28,15 @@ GREP_OPTIONS= usage() { cat <<EOF usage: $PGRM <subcommand> [args] -Monkeysphere server admin tool. +MonkeySphere server admin tool. subcommands: update-users (s) [USER]... update users authorized_keys files gen-key (g) generate gpg key for the server publish-key (p) publish server key to keyserver trust-keys (t) KEYID... mark keyids as trusted - update-user-userids (u) USER UID... add/update userids for a user + update-user-userids (u) USER UID... add/update user IDs for a user + remove-user-userids (r) USER UID... remove user IDs for a user help (h,?) this help EOF @@ -70,7 +71,7 @@ EOF ) fi - log "The following key parameters will be used:" + echo "The following key parameters will be used:" echo "$keyParameters" read -p "generate key? [Y|n]: " OK; OK=${OK:=Y} @@ -90,25 +91,10 @@ EOF EOF ) - echo "generating server key..." + log "generating server key..." echo "$keyParameters" | gpg --batch --gen-key } -# publish server key to keyserver -publish_key() { - read -p "publish key to $KEYSERVER? [Y|n]: " OK; OK=${OK:=Y} - if [ ${OK/y/Y} != 'Y' ] ; then - failure "aborting." - fi - - keyID=$(gpg --list-key --with-colons ="$USERID" 2> /dev/null | grep '^pub:' | cut -d: -f5) - - # dummy command so as not to publish fakes keys during testing - # eventually: - #gpg --send-keys --keyserver "$KEYSERVER" "$keyID" - echo "NOT PUBLISHED: gpg --send-keys --keyserver $KEYSERVER $keyID" -} - ######################################################################## # MAIN ######################################################################## @@ -136,7 +122,7 @@ export GNUPGHOME mkdir -p -m 0700 "$GNUPGHOME" case $COMMAND in - 'update-users'|'s') + 'update-users'|'update-user'|'s') if [ "$1" ] ; then unames="$@" else @@ -148,13 +134,17 @@ case $COMMAND in log "----- user: $uname -----" + # set variables for the user AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname" msAuthorizedKeys="$CACHE"/"$uname"/authorized_keys cacheDir="$CACHE"/"$uname"/user_keys - # make sure authorized_user_ids file exists + # make sure user's authorized_user_ids file exists + touch "$AUTHORIZED_USER_IDS" + + # 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 or does not exist." + log "authorized_user_ids file for '$uname' is empty." continue fi @@ -176,19 +166,21 @@ case $COMMAND in ;; 'publish-key'|'p') - publish_key + publish_server_key ;; - 'trust-keys'|'t') + 'trust-keys'|'trust-key'|'t') if [ -z "$1" ] ; then failure "you must specify at least one key to trust." fi + + # process key IDs for keyID ; do trust_key "$keyID" done ;; - 'update-user-userids'|'u') + 'update-user-userids'|'update-user-userid'|'u') uname="$1" shift if [ -z "$uname" ] ; then @@ -197,11 +189,46 @@ case $COMMAND in if [ -z "$1" ] ; then failure "you must specify at least one userid." fi + + # set variables for the user AUTHORIZED_USER_IDS="$MS_HOME"/authorized_user_ids/"$uname" cacheDir="$CACHE"/"$uname"/user_keys + + # make sure user's authorized_user_ids file exists + touch "$AUTHORIZED_USER_IDS" + + # process the user IDs for userID ; do update_userid "$userID" "$cacheDir" 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 "$1" ] ; then + failure "you must specify at least one userid." + fi + + # set variables for the user + AUTHORIZED_USER_IDS="$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'|'?') @@ -210,6 +237,6 @@ case $COMMAND in *) failure "Unknown command: '$COMMAND' -Type 'cereal-admin help' for usage." +Type '$PGRM help' for usage." ;; esac |