X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=src%2Fmonkeysphere-server;h=f68f3911fe8255bf8fd8ac07f7716b0d3b01333a;hb=da4eaf98b33ae5acd3280f4fa4dbe023997135dd;hp=560d249867d780183f9b070ed341c099bf948963;hpb=b92675786ac883551528b3870c71c98066d60c0f;p=monkeysphere.git

diff --git a/src/monkeysphere-server b/src/monkeysphere-server
index 560d249..f68f391 100755
--- a/src/monkeysphere-server
+++ b/src/monkeysphere-server
@@ -33,10 +33,9 @@ MonkeySphere server admin tool.
 subcommands:
   update-users (s) [USER]...            update users authorized_keys files
   gen-key (g) [HOSTNAME]                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 user IDs for a user
-  remove-user-userids (r) USER UID...   remove user IDs for a user
+  show-fingerprint (f)                  show server's host key fingerprint
+  publish-key (p)                       publish server's host key to keyserver
+  trust-key (t) KEYID [LEVEL]           set owner trust for keyid
   help (h,?)                            this help
 
 EOF
@@ -47,11 +46,18 @@ gen_key() {
     local hostName
 
     hostName=${1:-$(hostname --fqdn)}
+    service=${SERVICE:-"ssh"}
+    userID="${service}://${hostName}"
+
+    if gpg --list-key ="$userID" > /dev/null 2>&1 ; then
+	failure "Key for '$userID' already exists"
+    fi
 
     # set key defaults
     KEY_TYPE=${KEY_TYPE:-"RSA"}
     KEY_LENGTH=${KEY_LENGTH:-"2048"}
-    KEY_USAGE=${KEY_USAGE:-"auth,encrypt"}
+    KEY_USAGE=${KEY_USAGE:-"auth"}
+    KEY_EXPIRE=${KEY_EXPIRE:-"0"}
     cat <<EOF
 Please specify how long the key should be valid.
          0 = key does not expire
@@ -60,22 +66,22 @@ Please specify how long the key should be valid.
       <n>m = key expires in n months
       <n>y = key expires in n years
 EOF
-    read -p "Key is valid for? ($EXPIRE) " EXPIRE; EXPIRE=${EXPIRE:-"0"}
-
-    SERVICE=${SERVICE:-"ssh"}
-    USERID=${USERID:-"$SERVICE"://"$hostName"}
+    read -p "Key is valid for? ($KEY_EXPIRE) " KEY_EXPIRE; KEY_EXPIRE=${KEY_EXPIRE:-"0"}
 
     # set key parameters
     keyParameters=$(cat <<EOF
 Key-Type: $KEY_TYPE
 Key-Length: $KEY_LENGTH
 Key-Usage: $KEY_USAGE
-Name-Real: $USERID
-Expire-Date: $EXPIRE
+Name-Real: $userID
+Expire-Date: $KEY_EXPIRE
 EOF
 )
 
     # add the revoker field if requested
+    # FIXME: the "1:" below assumes that $REVOKER's key is an RSA key.  why?
+    # FIXME: why is this marked "sensitive"?  how will this signature ever
+    # be transmitted to the expected revoker?
     if [ "$REVOKER" ] ; then
 	keyParameters="${keyParameters}"$(cat <<EOF
 
@@ -87,15 +93,11 @@ EOF
     echo "The following key parameters will be used:"
     echo "$keyParameters"
 
-    read -p "generate key? [Y|n]: " OK; OK=${OK:=Y}
+    read -p "Generate key? [Y|n]: " OK; OK=${OK:=Y}
     if [ ${OK/y/Y} != 'Y' ] ; then
 	failure "aborting."
     fi
 
-    if gpg --list-key ="$USERID" > /dev/null 2>&1 ; then
-	failure "key for '$USERID' already exists"
-    fi
-
     # add commit command
     keyParameters="${keyParameters}"$(cat <<EOF
 
@@ -104,9 +106,33 @@ EOF
 EOF
 )
 
-    log -n "generating server key... "
+    log "generating server key... "
     echo "$keyParameters" | gpg --batch --gen-key
-    loge "done."
+
+    # output the server fingerprint
+    fingerprint_server_key "=${userID}"
+
+    # find the key fingerprint of the server primary key
+    keyID=$(gpg --list-key --with-colons --with-fingerprint "=${userID}" | \
+	grep '^fpr:' | head -1 | cut -d: -f10)
+
+    # write the key to the file
+    # NOTE: assumes that the primary key is the proper key to use
+    (umask 077 && gpgsecret2ssh "$keyID" > "${MS_HOME}/ssh_host_rsa_key")
+    log "Private SSH host key output to file: ${MS_HOME}/ssh_host_rsa_key"
+}
+
+# gpg output key fingerprint
+fingerprint_server_key() {
+    local ID
+
+    if [ -z "$1" ] ; then
+	ID="$1"
+    else
+	ID="=ssh://$(hostname --fqdn)"
+    fi
+
+    gpg --fingerprint --list-secret-keys "$ID"
 }
 
 ########################################################################
@@ -129,6 +155,7 @@ GNUPGHOME=${GNUPGHOME:-"${MS_HOME}/gnupg"}
 KEYSERVER=${KEYSERVER:-"subkeys.pgp.net"}
 CHECK_KEYSERVER=${CHECK_KEYSERVER:="true"}
 REQUIRED_USER_KEY_CAPABILITY=${REQUIRED_USER_KEY_CAPABILITY:-"a"}
+AUTHORIZED_USER_IDS=${AUTHORIZED_USER_IDS:-"%h/.config/monkeysphere/authorized_user_ids"}
 USER_CONTROLLED_AUTHORIZED_KEYS=${USER_CONTROLLED_AUTHORIZED_KEYS:-"%h/.ssh/authorized_keys"}
 
 export GNUPGHOME
@@ -143,121 +170,78 @@ mkdir -p "${CACHE}/authorized_keys"
 case $COMMAND in
     'update-users'|'update-user'|'s')
 	if [ "$1" ] ; then
+	    # get users from command line
 	    unames="$@"
 	else
-	    unames=$(ls -1 "${MS_HOME}/authorized_user_ids")
+	    # or just look at all users if none specified
+	    unames=$(getent passwd | cut -d: -f1)
 	fi
 
+	# loop over users
 	for uname in $unames ; do
 	    MODE="authorized_keys"
 
+	    # check all specified users exist
+	    if ! getent passwd "$uname" >/dev/null ; then
+		error "----- unknown user '$uname' -----"
+		continue
+	    fi
+
+	    # set authorized_user_ids variable,
+	    # translate ssh-style path variables
+	    authorizedUserIDs=$(translate_ssh_variables "$uname" "$AUTHORIZED_USER_IDS")
+
+	    # skip user if authorized_user_ids file does not exist
+	    if [ ! -f "$authorizedUserIDs" ] ; then
+		continue
+	    fi
+
 	    log "----- user: $uname -----"
 
-	    # set variables for the user
-	    AUTHORIZED_USER_IDS="${MS_HOME}/authorized_user_ids/${uname}"
 	    # temporary authorized_keys file
-	    AUTHORIZED_KEYS="${CACHE}/authorized_keys/${uname}.tmp"
-
-            # make sure user's authorized_user_ids file exists
-	    touch "$AUTHORIZED_USER_IDS"
-	    # make sure the authorized_keys file exists and is clear
-	    > "$AUTHORIZED_KEYS"
+	    AUTHORIZED_KEYS=$(mktemp)
 
 	    # 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."
+	    if [ ! -s "$authorizedUserIDs" ] ; then
+		log "authorized_user_ids file '$authorizedUserIDs' is empty."
 		continue
 	    fi
 
 	    # process authorized_user_ids file
 	    log "processing authorized_user_ids file..."
-	    process_authorized_user_ids
+	    process_authorized_user_ids "$authorizedUserIDs"
 
 	    # add user-controlled authorized_keys file path if specified
 	    if [ "$USER_CONTROLLED_AUTHORIZED_KEYS" != '-' ] ; then
-		userHome=$(getent passwd "$uname" | cut -d: -f6)
-		userAuthorizedKeys=${USER_CONTROLLED_AUTHORIZED_KEYS/\%h/"$userHome"}
-		log -n "adding user's authorized_keys file... "
-		cat "$userAuthorizedKeys" >> "$AUTHORIZED_KEYS"
-		loge "done."
+		userAuthorizedKeys=$(translate_ssh_variables "$uname" "$USER_CONTROLLED_AUTHORIZED_KEYS")
+		if [ -f "$userAuthorizedKeys" ] ; then
+		    log -n "adding user's authorized_keys file... "
+		    cat "$userAuthorizedKeys" >> "$AUTHORIZED_KEYS"
+		    loge "done."
+		fi
 	    fi
 
 	    # move the temp authorized_keys file into place
-	    mv -f "${CACHE}/authorized_keys/${uname}.tmp" "${CACHE}/authorized_keys/${uname}"
+	    mv -f "$AUTHORIZED_KEYS" "${CACHE}/authorized_keys/${uname}"
 
 	    log "authorized_keys file updated."
 	done
-
-	log "----- done. -----"
 	;;
 
     'gen-key'|'g')
 	gen_key "$1"
 	;;
 
-    'publish-key'|'p')
-	publish_server_key
-	;;
-
-    '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
+    'show-fingerprint'|'f')
+	fingerprint_server_key "$@"
 	;;
 
-    'update-user-userids'|'update-user-userid'|'u')
-	uname="$1"
-	shift
-	if [ -z "$uname" ] ; then
-	    failure "You must specify user."
-	fi
-	if [ -z "$1" ] ; then
-	    failure "You must specify at least one user ID."
-	fi
-
-	# set variables for the user
-	AUTHORIZED_USER_IDS="$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
-	    update_userid "$userID"
-	done
-
-	log "Run the following to update user's authorized_keys file:"
-	log "$PGRM update-users $uname"
+    'publish-key'|'p')
+	publish_server_key
 	;;
 
-    'remove-user-userids'|'remove-user-userid'|'r')
-	uname="$1"
-	shift
-	if [ -z "$uname" ] ; then
-	    failure "You must specify user."
-	fi
-	if [ -z "$1" ] ; then
-	    failure "You must specify at least one user ID."
-	fi
-
-	# set variables for the user
-	AUTHORIZED_USER_IDS="$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 $uname"
+    'trust-key'|'trust-key'|'t')
+	trust_key "$@"
 	;;
 
     'help'|'h'|'?')
@@ -269,3 +253,5 @@ case $COMMAND in
 Type '$PGRM help' for usage."
         ;;
 esac
+
+exit "$ERR"