subcommands:
update-users (u) [USER]... update user authorized_keys files
- gen-key (g) [NAME[:PORT]] generate gpg key for the server
+ import-key (i) import existing ssh key to gpg
+ --hostname (-h) NAME[:PORT] hostname for key user ID
+ --keyfile (-f) FILE key file to import
+ --expire (-e) EXPIRE date to expire
+ gen-key (g) generate gpg key for the host
+ --hostname (-h) NAME[:PORT] hostname for key user ID
--length (-l) BITS key length in bits (2048)
--expire (-e) EXPIRE date to expire
--revoker (-r) FINGERPRINT add a revoker
- extend-key (e) EXPIRE extend expiration to EXPIRE
- add-hostname (n+) NAME[:PORT] add hostname user ID to server key
+ extend-key (e) EXPIRE extend host key expiration
+ add-hostname (n+) NAME[:PORT] add hostname user ID to host key
revoke-hostname (n-) NAME[:PORT] revoke hostname user ID
+ add-revoker (o) FINGERPRINT add a revoker to the host key
+ revoke-key (r) revoke host key
show-key (s) output all server host key information
publish-key (p) publish server host key to keyserver
diagnostics (d) report on server monkeysphere status
remove-id-certifier (c-) KEYID remove a certification key
list-id-certifiers (c) list certification keys
- gpg-authentication-cmd CMD gnupg-authentication command
+ gpg-authentication-cmd CMD give a gpg command to the
+ authentication keyring
+ version (v) show version number
help (h,?) this help
EOF
# output just key fingerprint
fingerprint_server_key() {
+ # set the pipefail option so functions fails if can't read sec key
+ set -o pipefail
+
gpg_host --list-secret-keys --fingerprint \
--with-colons --fixed-list-mode 2> /dev/null | \
- grep '^fpr:' | head -1 | cut -d: -f10
+ grep '^fpr:' | head -1 | cut -d: -f10 2>/dev/null
+}
+
+# function to check for host secret key
+check_host_keyring() {
+ fingerprint_server_key >/dev/null \
+ || failure "You don't appear to have a Monkeysphere host key on this server. Please run 'monkeysphere-server gen-key' first."
}
# output key information
show_server_key() {
- local fingerprint
- local tmpkey
+ local fingerprintPGP
+ local fingerprintSSH
+ local ret=0
+
+ # FIXME: you shouldn't have to be root to see the host key fingerprint
+ check_host_keyring
+ fingerprintPGP=$(fingerprint_server_key)
+ gpg_authentication "--fingerprint --list-key --list-options show-unusable-uids $fingerprintPGP" 2>/dev/null
+ if [ $? -ne 0 ] ; then
+ log info "You must be root to see host OpenPGP fingerprint."
+ ret='1'
+ else
+ echo "OpenPGP fingerprint: $fingerprintPGP"
+ fi
- fingerprint=$(fingerprint_server_key)
- gpg_authentication "--fingerprint --list-key --list-options show-unusable-uids $fingerprint"
-
- # dumping to a file named ' ' so that the ssh-keygen output
- # doesn't claim any potentially bogus hostname(s):
- tmpkey=$(mktemp ${TMPDIR:-/tmp}/tmp.XXXXXXXXXX) || failure "Could not create temporary directory!"
- gpg_authentication "--export $fingerprint" | openpgp2ssh "$fingerprint" 2>/dev/null > "$tmpkey"
- echo -n "ssh fingerprint: "
- ssh-keygen -l -f "$tmpkey" | awk '{ print $1, $2, $4 }'
- rm -rf "$tmpkey"
- echo -n "OpenPGP fingerprint: "
- echo "$fingerprint"
+ if [ -f "${SYSDATADIR}/ssh_host_rsa_key.pub" ] ; then
+ fingerprintSSH=$(ssh-keygen -l -f "${SYSDATADIR}/ssh_host_rsa_key.pub" | \
+ awk '{ print $1, $2, $4 }')
+ echo "ssh fingerprint: $fingerprintSSH"
+ else
+ log info "SSH host key not found."
+ ret='1'
+ fi
+
+ return $ret
}
# update authorized_keys for users
done
}
+# import an existing ssh key to a gpg key
+import_key() {
+ local hostName=$(hostname -f)
+ local keyFile="/etc/ssh/ssh_host_rsa_key"
+ local keyExpire
+ local userID
+
+ # check for presense of secret key
+ # FIXME: is this the proper test to be doing here?
+ fingerprint_server_key >/dev/null \
+ && failure "An OpenPGP host key already exists."
+
+ # get options
+ while true ; do
+ case "$1" in
+ -h|--hostname)
+ hostName="$2"
+ shift 2
+ ;;
+ -f|--keyfile)
+ keyFile="$2"
+ shift 2
+ ;;
+ -e|--expire)
+ keyExpire="$2"
+ shift 2
+ ;;
+ *)
+ if [ "$(echo "$1" | cut -c 1)" = '-' ] ; then
+ failure "Unknown option '$1'.
+Type '$PGRM help' for usage."
+ fi
+ break
+ ;;
+ esac
+ done
+
+ if [ ! -f "$keyFile" ] ; then
+ failure "SSH secret key file '$keyFile' not found."
+ fi
+
+ userID="ssh://${hostName}"
+
+ # prompt about key expiration if not specified
+ keyExpire=$(get_gpg_expiration "$keyExpire")
+
+ echo "The following key parameters will be used for the host private key:"
+ echo "Import: $keyFile"
+ echo "Name-Real: $userID"
+ echo "Expire-Date: $keyExpire"
+
+ read -p "Import key? (Y/n) " OK; OK=${OK:=Y}
+ if [ ${OK/y/Y} != 'Y' ] ; then
+ failure "aborting."
+ fi
+
+ log verbose "importing ssh key..."
+ # translate ssh key to a private key
+ (umask 077 && \
+ pem2openpgp "$userID" "$keyExpire" < "$sshKey" | gpg_host --import)
+
+ # find the key fingerprint of the newly converted key
+ fingerprint=$(fingerprint_server_key)
+
+ # export host ownertrust to authentication keyring
+ log verbose "setting ultimate owner trust for host key..."
+ echo "${fingerprint}:6:" | gpg_host "--import-ownertrust"
+ echo "${fingerprint}:6:" | gpg_authentication "--import-ownertrust"
+
+ # export public key to file
+ gpg_authentication "--export-options export-minimal --armor --export 0x${fingerprint}\!" > "${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
+ log info "SSH host public key in OpenPGP form: ${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
+
+ # show info about new key
+ show_server_key
+}
+
# generate server gpg key
gen_key() {
- local keyType
- local keyLength
- local keyUsage
+ local keyType="RSA"
+ local keyLength="2048"
+ local keyUsage="auth"
local keyExpire
local revoker
- local hostName
+ local hostName=$(hostname -f)
local userID
local keyParameters
local fingerprint
- # set default key parameter values
- keyType="RSA"
- keyLength="2048"
- keyUsage="auth"
- keyExpire=
- revoker=
+ # check for presense of secret key
+ # FIXME: is this the proper test to be doing here?
+ fingerprint_server_key >/dev/null \
+ && failure "An OpenPGP host key already exists."
# get options
- TEMP=$(PATH="/usr/local/bin:$PATH" getopt -o e:l:r -l expire:,length:,revoker: -n "$PGRM" -- "$@") || failure "getopt failed! Does your getopt support GNU-style long options?"
-
- if [ $? != 0 ] ; then
- exit 1
- fi
-
- # Note the quotes around `$TEMP': they are essential!
- eval set -- "$TEMP"
-
while true ; do
case "$1" in
-l|--length)
revoker="$2"
shift 2
;;
- --)
- shift
- ;;
- *)
+ *)
+ if [ "$(echo "$1" | cut -c 1)" = '-' ] ; then
+ failure "Unknown option '$1'.
+Type '$PGRM help' for usage."
+ fi
+ hostName="$1"
break
;;
esac
done
- hostName=${1:-$(hostname -f)}
userID="ssh://${hostName}"
- # check for presense of key with user ID
- if gpg_host --list-key ="$userID" > /dev/null 2>&1 ; then
- failure "Key for '$userID' already exists"
- fi
-
# prompt about key expiration if not specified
keyExpire=$(get_gpg_expiration "$keyExpire")
# set key parameters
- keyParameters=$(cat <<EOF
-Key-Type: $keyType
+ keyParameters=\
+"Key-Type: $keyType
Key-Length: $keyLength
Key-Usage: $keyUsage
Name-Real: $userID
-Expire-Date: $keyExpire
-EOF
-)
+Expire-Date: $keyExpire"
# add the revoker field if specified
# FIXME: the "1:" below assumes that $REVOKER's key is an RSA key.
# FIXME: key is marked "sensitive"? is this appropriate?
if [ "$revoker" ] ; then
- keyParameters="${keyParameters}"$(cat <<EOF
-Revoker: 1:$revoker sensitive
-EOF
-)
+ keyParameters=\
+"${keyParameters}
+Revoker: 1:${revoker} sensitive"
fi
echo "The following key parameters will be used for the host private key:"
fi
# add commit command
- keyParameters="${keyParameters}"$(cat <<EOF
+ # must include blank line!
+ keyParameters=\
+"${keyParameters}
%commit
-%echo done
-EOF
-)
+%echo done"
- log verbose "generating server key..."
+ log verbose "generating host key..."
echo "$keyParameters" | gpg_host --batch --gen-key
- # output the server fingerprint
- fingerprint_server_key "=${userID}"
-
# find the key fingerprint of the newly generated key
fingerprint=$(fingerprint_server_key)
# export host ownertrust to authentication keyring
- log verbose "setting ultimate owner trust for server key..."
+ log verbose "setting ultimate owner trust for host key..."
echo "${fingerprint}:6:" | gpg_authentication "--import-ownertrust"
# translate the private key to ssh format, and export to a file
log info "SSH host private key output to file: ${SYSDATADIR}/ssh_host_rsa_key"
ssh-keygen -y -f "${SYSDATADIR}/ssh_host_rsa_key" > "${SYSDATADIR}/ssh_host_rsa_key.pub"
log info "SSH host public key output to file: ${SYSDATADIR}/ssh_host_rsa_key.pub"
- gpg_authentication --export-options export-minimal --export "0x${fingerprint}!" > "${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
+ gpg_authentication "--export-options export-minimal --armor --export 0x${fingerprint}\!" > "${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
log info "SSH host public key in OpenPGP form: ${SYSDATADIR}/ssh_host_rsa_key.pub.gpg"
+
+ # show info about new key
+ show_server_key
}
# extend the lifetime of a host key:
local fpr=$(fingerprint_server_key)
local extendTo="$1"
- if [ -z "$fpr" ] ; then
- failure "You don't appear to have a MonkeySphere host key on this server. Try 'monkeysphere-server gen-key' first."
- fi
-
# get the new expiration date
extendTo=$(get_gpg_expiration "$extendTo")
save
EOF
- )
+)
# execute edit-key script
if echo "$adduidCommand" | \
fi
}
+# add a revoker to the host key
+add_revoker() {
+ # FIXME: implement!
+ failure "not implemented yet!"
+}
+
+# revoke the host key
+revoke_key() {
+ # FIXME: implement!
+ failure "not implemented yet!"
+}
+
# publish server key to keyserver
publish_server_key() {
read -p "Really publish host key to $KEYSERVER? (y/N) " OK; OK=${OK:=N}
echo " - Recommendation: remove the above HostKey lines from $sshd_config"
problemsfound=$(($problemsfound+1))
fi
+
+ # FIXME: test (with ssh-keyscan?) that the running ssh
+ # daemon is actually offering the monkeysphere host key.
+
fi
fi
depth=1
# get options
- TEMP=$(PATH="/usr/local/bin:$PATH" getopt -o n:t:d: -l domain:,trust:,depth: -n "$PGRM" -- "$@") || failure "getopt failed! Does your getopt support GNU-style long options?"
-
- if [ $? != 0 ] ; then
- exit 1
- fi
-
- # Note the quotes around `$TEMP': they are essential!
- eval set -- "$TEMP"
-
while true ; do
case "$1" in
-n|--domain)
depth="$2"
shift 2
;;
- --)
- shift
- ;;
- *)
+ *)
+ if [ "$(echo "$1" | cut -c 1)" = '-' ] ; then
+ failure "Unknown option '$1'.
+Type '$PGRM help' for usage."
+ fi
break
;;
esac
# export the key to the host keyring
gpg_authentication "--export 0x${fingerprint}!" | gpg_host --import
- if [ "$trust" == marginal ]; then
+ if [ "$trust" = marginal ]; then
trustval=1
- elif [ "$trust" == full ]; then
+ elif [ "$trust" = full ]; then
trustval=2
else
failure "Trust value requested ('$trust') was unclear (only 'marginal' or 'full' are supported)."
case $COMMAND in
'update-users'|'update-user'|'u')
+ check_host_keyring
update_users "$@"
;;
+ 'import-key'|'i')
+ import_key "$@"
+ ;;
+
'gen-key'|'g')
gen_key "$@"
;;
'extend-key'|'e')
+ check_host_keyring
extend_key "$@"
;;
'add-hostname'|'add-name'|'n+')
+ check_host_keyring
add_hostname "$@"
;;
'revoke-hostname'|'revoke-name'|'n-')
+ check_host_keyring
revoke_hostname "$@"
;;
+ 'add-revoker'|'o')
+ check_host_keyring
+ add_revoker "$@"
+ ;;
+
+ 'revoke-key'|'r')
+ check_host_keyring
+ revoke_key "$@"
+ ;;
+
'show-key'|'show'|'s')
show_server_key
;;
'publish-key'|'publish'|'p')
+ check_host_keyring
publish_server_key
;;
;;
'add-identity-certifier'|'add-id-certifier'|'add-certifier'|'c+')
+ check_host_keyring
add_certifier "$@"
;;
'remove-identity-certifier'|'remove-id-certifier'|'remove-certifier'|'c-')
+ check_host_keyring
remove_certifier "$@"
;;
'list-identity-certifiers'|'list-id-certifiers'|'list-certifiers'|'list-certifier'|'c')
+ check_host_keyring
list_certifiers "$@"
;;
gpg_authentication_cmd "$@"
;;
+ 'version'|'v')
+ echo "$VERSION"
+ ;;
+
'--help'|'help'|'-h'|'h'|'?')
usage
;;
projects / monkeysphere.git / blobdiff