unset GREP_OPTIONS
# default return code
-ERR=0
+RETURN=0
########################################################################
# FUNCTIONS
usage() {
cat <<EOF
-usage: $PGRM <subcommand> [args]
+usage: $PGRM <subcommand> [options] [args]
MonkeySphere server admin tool.
subcommands:
- update-users (u) [USER]... update users authorized_keys files
+ update-users (u) [USER]... update user authorized_keys files
gen-key (g) [HOSTNAME] generate gpg key for the server
-l|--length BITS key length in bits (2048)
add-identity-certifier (a) KEYID import and tsign a certification key
-n|--domain DOMAIN domain of certifier ()
- -t|--trust TRUST trust level of certifier ('full')
+ -t|--trust TRUST trust level of certifier (2)
-d|--depth DEPTH trust depth for certifier (1)
remove-identity-certifier (r) KEYID remove a certification key
list-identity-certifiers (l) list certification keys
+ gpg-authentication-cmd CMD gnupg-authentication command
+
help (h,?) this help
EOF
for uname in $unames ; do
# check all specified users exist
if ! getent passwd "$uname" >/dev/null ; then
- error "----- unknown user '$uname' -----"
+ log "----- unknown user '$uname' -----"
continue
fi
log "----- user: $uname -----"
+ if ! check_key_file_permissions "$uname" "$AUTHORIZED_USER_IDS" ; then
+ log "Improper permissions on authorized_user_ids file."
+ continue
+ fi
+
+ if ! check_key_file_permissions "$uname" "$RAW_AUTHORIZED_KEYS" ; then
+ log "Improper permissions on authorized_keys file."
+ continue
+ fi
+
# make temporary directory
TMPDIR=$(mktemp -d)
# user
su_monkeysphere_user \
". ${SHARE}/common; process_authorized_user_ids $TMP_AUTHORIZED_USER_IDS"
- ERR="$?"
+ RETURN="$?"
fi
# add user-controlled authorized_keys file path if specified
# generate server gpg key
gen_key() {
+ local keyType
+ local keyLength
+ local keyUsage
+ local keyExpire
+ local revoker
local hostName
local userID
local keyParameters
local fingerprint
+ # set default key parameter values
+ keyType="RSA"
+ keyLength="2048"
+ keyUsage="auth"
+ keyExpire=
+ revoker=
+
+ # get options
+ TEMP=$(getopt -o l:e:r: -l length:,expire:,revoker: -n "$PGRM" -- "$@")
+
+ 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)
+ keyLength="$2"
+ shift 2
+ ;;
+ -e|--expire)
+ keyExpire="$2"
+ shift 2
+ ;;
+ -r|--revoker)
+ revoker="$2"
+ shift 2
+ ;;
+ --)
+ shift
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+
hostName=${1:-$(hostname --fqdn)}
userID="ssh://${hostName}"
failure "Key for '$userID' already exists"
fi
- # set key variables
- KEY_TYPE="RSA"
- KEY_LENGTH=${KEY_LENGTH:="2048"}
- KEY_USAGE="auth"
# prompt about key expiration if not specified
- if [ -z "$KEY_EXPIRE" ] ; then
+ if [ -z "$keyExpire" ] ; then
cat <<EOF
Please specify how long the key should be valid.
0 = key does not expire
<n>m = key expires in n months
<n>y = key expires in n years
EOF
- while [ -z "$KEY_EXPIRE" ] ; do
- read -p "Key is valid for? (0) " KEY_EXPIRE
- if ! test_gpg_expire ${KEY_EXPIRE:=0} ; then
+ while [ -z "$keyExpire" ] ; do
+ read -p "Key is valid for? (0) " keyExpire
+ if ! test_gpg_expire ${keyExpire:=0} ; then
echo "invalid value"
- unset KEY_EXPIRE
+ unset keyExpire
fi
done
- elif ! test_gpg_expire "$KEY_EXPIRE" ; then
- failure "invalid key expiration value '$KEY_EXPIRE'."
+ elif ! test_gpg_expire "$keyExpire" ; then
+ failure "invalid key expiration value '$keyExpire'."
fi
# set key parameters
keyParameters=$(cat <<EOF
-Key-Type: $KEY_TYPE
-Key-Length: $KEY_LENGTH
-Key-Usage: $KEY_USAGE
+Key-Type: $keyType
+Key-Length: $keyLength
+Key-Usage: $keyUsage
Name-Real: $userID
-Expire-Date: $KEY_EXPIRE
+Expire-Date: $keyExpire
EOF
)
# 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
+ if [ "$revoker" ] ; then
keyParameters="${keyParameters}"$(cat <<EOF
-Revoker: 1:$REVOKER sensitive
+Revoker: 1:$revoker sensitive
EOF
)
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 key to $KEYSERVER? (y/N) " OK; OK=${OK:=N}
if [ ${OK/y/Y} != 'Y' ] ; then
failure "aborting."
fi
# 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 "--keyring $GNUPGHOME_HOST/pubring.gpg --keyserver $KEYSERVER --send-keys $(hostname -f)"
- failure "NOT PUBLISHED (to avoid permanent publication errors during monkeysphere development)."
+ #gpg_authentication "--keyserver $KEYSERVER --send-keys $(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 $(hostname -f)'"
+ exit 255
}
# retrieve key from web of trust, import it into the host keyring, and
# ltsign the key in the host keyring so that it may certify other keys
add_certifier() {
+ local domain
+ local trust
+ local depth
local keyID
local fingerprint
local ltsignCommand
+ # set default values for trust depth and domain
+ domain=
+ trust=2
+ depth=1
+
+ # get options
+ TEMP=$(getopt -o n:t:d: -l domain:,trust:,depth: -n "$PGRM" -- "$@")
+
+ 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)
+ domain="$2"
+ shift 2
+ ;;
+ -t|--trust)
+ trust="$2"
+ shift 2
+ ;;
+ -d|--depth)
+ depth="$2"
+ shift 2
+ ;;
+ --)
+ shift
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+
keyID="$1"
+ if [ -z "$keyID" ] ; then
+ failure "You must specify the key ID of a key to add."
+ fi
export keyID
# export host ownertrust to authentication keyring
fingerprint=$(gpg_authentication "--list-key --with-colons --with-fingerprint $keyID" | \
grep '^fpr:' | grep "$keyID" | cut -d: -f10)
- if [ -z "$fingerprint" ] ; then
- failure "Could not find key \"${keyID}\"."
- fi
-
echo "key found:"
gpg_authentication "--fingerprint $fingerprint"
- read -p "Are you sure you want to add this key as a certifier of users on this system? (y/N) " OK; OK=${OK:-N}
+ echo "Are you sure you want to add this key as a certifier of"
+ read -p "users on this system? (y/N) " OK; OK=${OK:-N}
if [ "${OK/y/Y}" != 'Y' ] ; then
failure "aborting."
fi
# export the key to the host keyring
gpg_authentication "--export $keyID" | gpg_host --import
- # default values for trust depth and domain
- DOMAIN=${DOMAIN:-}
- TRUST=${TRUST:-2}
- DEPTH=${DEPTH:-1}
-
# ltsign command
# NOTE: *all* user IDs will be ltsigned
ltsignCommand=$(cat <<EOF
ltsign
y
-$TRUST
-$DEPTH
-$DOMAIN
+$trust
+$depth
+$domain
y
save
EOF
local fingerprint
keyID="$1"
+ if [ -z "$keyID" ] ; then
+ failure "You must specify the key ID of a key to remove."
+ fi
# delete the requested key (with prompting)
gpg_host --delete-key "$keyID"
gpg_host --list-keys
}
+# issue command to gpg-authentication keyring
+gpg_authentication_cmd() {
+ gpg_authentication "$@"
+}
+
########################################################################
# MAIN
########################################################################
[ "$COMMAND" ] || failure "Type '$PGRM help' for usage."
shift
-# unset option variables
-unset KEY_LENGTH
-unset KEY_EXPIRE
-unset REVOKER
-unset DOMAIN
-unset TRUST
-unset DEPTH
-
-# get options for key generation and add-certifier functions
-TEMP=$(getopt -o l:e:r:n:t:d: -l length:,expire:,revoker:,domain:,trust:,depth: -n "$PGRM" -- "$@")
-
-if [ $? != 0 ] ; then
- usage
- exit 1
-fi
-
-# Note the quotes around `$TEMP': they are essential!
-eval set -- "$TEMP"
-
-while true ; do
- case "$1" in
- -l|--length)
- KEY_LENGTH="$2"
- shift 2
- ;;
- -e|--expire)
- KEY_EXPIRE="$2"
- shift 2
- ;;
- -r|--revoker)
- REVOKER="$2"
- shift 2
- ;;
- -n|--domain)
- DOMAIN="$2"
- shift 2
- ;;
- -t|--trust)
- TRUST="$2"
- shift 2
- ;;
- -d|--depth)
- DEPTH="$2"
- shift 2
- ;;
- --)
- shift
- ;;
- *)
- break
- ;;
- esac
-done
-
case $COMMAND in
'update-users'|'update-user'|'u')
update_users "$@"
;;
'add-identity-certifier'|'add-certifier'|'a')
- if [ -z "$1" ] ; then
- failure "You must specify a key ID."
- fi
add_certifier "$1"
;;
'remove-identity-certifier'|'remove-certifier'|'r')
- if [ -z "$1" ] ; then
- failure "You must specify a key ID."
- fi
remove_certifier "$1"
;;
list_certifiers "$@"
;;
+ 'gpg-authentication-cmd')
+ gpg_authentication_cmd "$@"
+ ;;
+
'help'|'h'|'?')
usage
;;
;;
esac
-exit "$ERR"
+exit "$RETURN"