subcommands:
update-users (u) [USER]... update user authorized_keys files
- gen-key (g) [HOSTNAME] generate gpg key for the server
+ gen-key (g) [NAME[:PORT]] generate gpg key for the server
-l|--length BITS key length in bits (2048)
-e|--expire EXPIRE date to expire
-r|--revoker FINGERPRINT add a revoker
- show-fingerprint (f) show server's host key fingerprint
- publish-key (p) publish server's host key to keyserver
- diagnostics (d) report on the server's monkeysphere status
-
- add-identity-certifier (a) KEYID import and tsign a certification key
- -n|--domain DOMAIN limit ID certifications to IDs in DOMAIN
+ add-hostname (n+) NAME[:PORT] add hostname user ID to server key
+ revoke-hostname (n-) NAME[:PORT] revoke hostname user ID
+ show-key (s) output all server host key information
+ fingerprint (f) output just the key fingerprint
+ publish-key (p) publish server host key to keyserver
+ diagnostics (d) report on server monkeysphere status
+
+ add-id-certifier (c+) KEYID import and tsign a certification key
+ -n|--domain DOMAIN limit ID certifications to DOMAIN
-t|--trust TRUST trust level of certifier (full)
-d|--depth DEPTH trust depth for certifier (1)
- remove-identity-certifier (r) KEYID remove a certification key
- list-identity-certifiers (l) list certification keys
+ remove-id-certifier (c-) KEYID remove a certification key
+ list-id-certifiers (c) list certification keys
gpg-authentication-cmd CMD gnupg-authentication command
su_monkeysphere_user "gpg $@"
}
+# output just key fingerprint
+fingerprint_server_key() {
+ gpg_host --list-secret-keys --fingerprint --with-colons --fixed-list-mode | \
+ grep '^fpr:' | head -1 | cut -d: -f10
+}
+
+# output key information
+show_server_key() {
+ local fingerprint
+ fingerprint=$(fingerprint_server_key)
+ gpg_host --fingerprint --list-secret-key "$fingerprint"
+}
+
# update authorized_keys for users
update_users() {
if [ "$1" ] ; then
# output the server fingerprint
fingerprint_server_key "=${userID}"
- # find the key fingerprint of the server primary key
- fingerprint=$(gpg_host --list-key --with-colons --with-fingerprint "=${userID}" | \
- grep '^fpr:' | head -1 | cut -d: -f10)
+ # find the key fingerprint of the newly generated key
+ fingerprint=$(fingerprint_server_key)
# export host ownertrust to authentication keyring
log "setting ultimate owner trust for server key..."
log "Private SSH host key output to file: ${VARLIB}/ssh_host_rsa_key"
}
-# gpg output key fingerprint
-fingerprint_server_key() {
- gpg_host --fingerprint --list-secret-keys
+# add hostname user ID to server key
+add_hostname() {
+ local userID
+ local fingerprint
+ local tmpuidMatch
+ local line
+ local adduidCommand
+
+ if [ -z "$1" ] ; then
+ failure "You must specify a hostname to add."
+ fi
+
+ userID="ssh://${1}"
+
+ fingerprint=$(fingerprint_server_key)
+
+ # match to only ultimately trusted user IDs
+ tmpuidMatch="u:$(echo $userID | gpg_escape)"
+
+ # find the index of the requsted user ID
+ # NOTE: this is based on circumstantial evidence that the order of
+ # this output is the appropriate index
+ if line=$(gpg_host --list-keys --with-colons --fixed-list-mode "0x${fingerprint}"\! \
+ | egrep '^(uid|uat):' | cut -f2,10 -d: | grep -n -x -F "$tmpuidMatch") ; then
+ failure "Host userID '$userID' already exists."
+ fi
+
+ echo "The following user ID will be added to the host key:"
+ echo " $userID"
+ read -p "Are you sure you would like to add this user ID? (y/N) " OK; OK=${OK:=N}
+ if [ ${OK/y/Y} != 'Y' ] ; then
+ failure "user ID not added."
+ fi
+
+ # edit-key script command to add user ID
+ adduidCommand=$(cat <<EOF
+adduid
+$userID
+
+
+save
+EOF
+ )
+
+ # execute edit-key script
+ if echo "$adduidCommand" | gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}"\! ; then
+ # update trust db
+ gpg_host --check-trustdb
+
+ show_server_key
+
+ echo "NOTE: User ID added but key not published."
+ echo "Run '$PGRM publish-key' to publish the key"
+ else
+ failure "Problem adding user ID."
+ fi
+}
+
+# revoke hostname user ID to server key
+revoke_hostname() {
+ local userID
+ local fingerprint
+ local tmpuidMatch
+ local line
+ local uidIndex
+ local message
+ local revuidCommand
+
+ if [ -z "$1" ] ; then
+ failure "You must specify a hostname to revoke."
+ fi
+
+ userID="ssh://${1}"
+
+ fingerprint=$(fingerprint_server_key)
+
+ # match to only ultimately trusted user IDs
+ tmpuidMatch="u:$(echo $userID | gpg_escape)"
+
+ # find the index of the requsted user ID
+ # NOTE: this is based on circumstantial evidence that the order of
+ # this output is the appropriate index
+ if line=$(gpg_host --list-keys --with-colons --fixed-list-mode "0x${fingerprint}"\! \
+ | egrep '^(uid|uat):' | cut -f2,10 -d: | grep -n -x -F "$tmpuidMatch") ; then
+ uidIndex=${line%%:*}
+ else
+ failure "No non-revoked user ID '$userID' is found."
+ fi
+
+ echo "The following user ID will be revoked from the host key:"
+ echo " $userID"
+ read -p "Are you sure you would like to revoke this user ID? (y/N) " OK; OK=${OK:=N}
+ if [ ${OK/y/Y} != 'Y' ] ; then
+ failure "user ID not revoked."
+ fi
+
+ message="Hostname removed by monkeysphere-server $DATE"
+
+ # edit-key script command to revoke user ID
+ revuidCommand=$(cat <<EOF
+$uidIndex
+revuid
+y
+4
+$message
+
+y
+save
+EOF
+ )
+
+ # execute edit-key script
+ if echo "$revuidCommand" | gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}"\! ; then
+ # update trust db
+ gpg_host --check-trustdb
+
+ show_server_key
+
+ echo "NOTE: User ID revoked but key not published."
+ echo "Run '$PGRM publish-key' to publish the key"
+ else
+ failure "Problem revoking user ID."
+ fi
}
# publish server key to keyserver
publish_server_key() {
- read -p "Really publish key to $KEYSERVER? (y/N) " OK; OK=${OK:=N}
+ read -p "Really publish host key to $KEYSERVER? (y/N) " OK; OK=${OK:=N}
if [ ${OK/y/Y} != 'Y' ] ; then
- failure "aborting."
+ failure "key not published."
fi
+ # find the key fingerprint
+ fingerprint=$(fingerprint_server_key)
+
# 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_authentication "--keyserver $KEYSERVER --send-keys =ssh://$(hostname -f)"
- echo "NOT PUBLISHED (to avoid permanent publication errors during monkeysphere development)."
- echo "The following command should publish the key:"
- echo "monkeysphere-server gpg-authentication-cmd '--keyserver $KEYSERVER --send-keys =ssh://$(hostname -f)'"
- exit 255
+ gpg_authentication "--keyserver $KEYSERVER --send-keys $fingerprint"
}
diagnostics() {
local uid
local fingerprint
local badhostkeys
+ local sshd_config
- seckey=$(gpg_host --list-secret-keys --fingerprint --with-colons --fixed-list-mode)
+ # FIXME: what's the correct, cross-platform answer?
+ sshd_config=/etc/ssh/sshd_config
+ seckey=$(fingerprint_server_key)
keysfound=$(echo "$seckey" | grep -c ^sec:)
curdate=$(date +%s)
# warn when anything is 2 months away from expiration
fi
# propose changes needed for sshd_config (if any)
- if ! grep -q "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$" /etc/ssh/sshd_config; then
- echo "! /etc/ssh/sshd_config does not point to the monkeysphere host key (${VARLIB}/ssh_host_rsa_key)."
- echo " - Recommendation: add a line to /etc/ssh/sshd_config: 'HostKey ${VARLIB}/ssh_host_rsa_key'"
+ if ! grep -q "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$" "$sshd_config"; then
+ echo "! $sshd_config does not point to the monkeysphere host key (${VARLIB}/ssh_host_rsa_key)."
+ echo " - Recommendation: add a line to $sshd_config: 'HostKey ${VARLIB}/ssh_host_rsa_key'"
fi
- if badhostkeys=$(grep -i '^HostKey' | grep -q -v "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$") ; then
+ if badhostkeys=$(grep -i '^HostKey' "$sshd_config" | grep -q -v "^HostKey[[:space:]]\+${VARLIB}/ssh_host_rsa_key$") ; then
echo "! /etc/sshd_config refers to some non-monkeysphere host keys:"
echo "$badhostkeys"
- echo " - Recommendation: remove the above HostKey lines from /etc/ssh/sshd_config"
+ echo " - Recommendation: remove the above HostKey lines from $sshd_config"
fi
fi
fi
echo "Checking for MonkeySphere-enabled public-key authentication for users ..."
# Ensure that User ID authentication is enabled:
- if ! grep -q "^AuthorizedKeysFile[[:space:]]\+${VARLIB}/authorized_keys/%u$" /etc/ssh/sshd_config; then
- echo "! /etc/ssh/sshd_config does not point to monkeysphere authorized keys."
- echo " - Recommendation: add a line to /etc/ssh/sshd_config: 'AuthorizedKeysFile ${VARLIB}/authorized_keys/%u'"
+ if ! grep -q "^AuthorizedKeysFile[[:space:]]\+${VARLIB}/authorized_keys/%u$" "$sshd_config"; then
+ echo "! $sshd_config does not point to monkeysphere authorized keys."
+ echo " - Recommendation: add a line to $sshd_config: 'AuthorizedKeysFile ${VARLIB}/authorized_keys/%u'"
fi
- if badauthorizedkeys=$(grep -i '^AuthorizedKeysFile' | grep -q -v "^AuthorizedKeysFile[[:space:]]\+${VARLIB}/authorized_keys/%u$") ; then
+ if badauthorizedkeys=$(grep -i '^AuthorizedKeysFile' "$sshd_config" | grep -q -v "^AuthorizedKeysFile[[:space:]]\+${VARLIB}/authorized_keys/%u$") ; then
echo "! /etc/sshd_config refers to non-monkeysphere authorized_keys files:"
echo "$badauthorizedkeys"
- echo " - Recommendation: remove the above AuthorizedKeysFile lines from /etc/ssh/sshd_config"
+ echo " - Recommendation: remove the above AuthorizedKeysFile lines from $sshd_config"
fi
-
-
}
# retrieve key from web of trust, import it into the host keyring, and
)
# ltsign the key
- echo "$ltsignCommand" | gpg_host --quiet --command-fd 0 --edit-key "$fingerprint"
+ echo "$ltsignCommand" | gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}"\!
# update the trustdb for the authentication keyring
gpg_authentication "--check-trustdb"
gen_key "$@"
;;
- 'show-fingerprint'|'f')
+ 'add-hostname'|'add-name'|'n+')
+ add_hostname "$@"
+ ;;
+
+ 'revoke-hostname'|'revoke-name'|'n-')
+ revoke_hostname "$@"
+ ;;
+
+ 'show-key'|'show'|'s')
+ show_server_key
+ ;;
+
+ 'show-fingerprint'|'fingerprint'|'f')
fingerprint_server_key
;;
- 'publish-key'|'p')
+ 'publish-key'|'publish'|'p')
publish_server_key
;;
diagnostics
;;
- 'add-identity-certifier'|'add-certifier'|'a')
- add_certifier "$1"
+ 'add-identity-certifier'|'add-id-certifier'|'add-certifier'|'c+')
+ add_certifier "$@"
;;
- 'remove-identity-certifier'|'remove-certifier'|'r')
- remove_certifier "$1"
+ 'remove-identity-certifier'|'remove-id-certifier'|'remove-certifier'|'c-')
+ remove_certifier "$@"
;;
- 'list-identity-certifiers'|'list-certifiers'|'list-certifier'|'l')
+ 'list-identity-certifiers'|'list-id-certifiers'|'list-certifiers'|'list-certifier'|'c')
list_certifiers "$@"
;;