su_monkeysphere_user "gpg $@"
}
-# output key information
-show_server_key() {
- gpg_host --list-secret-keys --fingerprint
-}
-
# output just key fingerprint
fingerprint_server_key() {
gpg_host --list-secret-keys --fingerprint --with-colons --fixed-list-mode | \
grep '^fpr:' | head -1 | cut -d: -f10
}
+# output key information
+show_server_key() {
+ local fingerprint
+ fingerprint=$(fingerprint_server_key)
+ gpg_host --fingerprint --list-secret-key "$fingerprint"
+}
+
# update authorized_keys for users
update_users() {
if [ "$1" ] ; then
# 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}"
- if [ "$(gpg_host --list-key "=${userID}")" ] ; then
+ 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 '$userID' already exists."
fi
- fingerprint=$(fingerprint_server_key)
+ 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
$userID
-O
save
EOF
)
- # add uid
- echo "$adduidCommand" | gpg_host --quiet --command-fd 0 --edit-key "$fingerprint"
+ # execute edit-key script
+ if echo "$adduidCommand" | gpg_host --quiet --command-fd 0 --edit-key "0x${fingerprint}"\! ; then
+ # update trust db
+ gpg_host --check-trustdb
- echo "NOTE: new host userID has not been published."
- echo "Use '$PGRM publish-key' to publish these changes."
+ 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 "$1" ] ; then
failure "You must specify a hostname to revoke."
fi
- failure "Sorry, not yet implemented."
+ userID="ssh://${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 $DATE"
- echo "NOTE: host userID revokation has not been published."
- echo "Use '$PGRM publish-key' to publish these changes."
+ # 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 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 $fingerprint"
}
local uid
local fingerprint
local badhostkeys
+ local sshd_config
+ # FIXME: what's the correct, cross-platform answer?
+ sshd_config=/etc/ssh/sshd_config
seckey=$(fingerprint_server_key)
keysfound=$(echo "$seckey" | grep -c ^sec:)
curdate=$(date +%s)
fi
# propose changes needed for sshd_config (if any)
- if ! grep -q "^HostKey[[:space:]]\+${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 $sshd_config"
fi
}
)
# ltsign the key
- echo "$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"
projects / monkeysphere.git / blobdiff