feature: service accounts have a display name and a description, which the router sets for its internal ones.

debian-package/src/usr/sbin/vpn-router-user

@@ -11,8 +11,10 @@ user exists, 1 anything else. -h or --help shows the commands and their options.
   vpn-router-user [--json] list
   vpn-router-user [--json] add <name> --first-name F --last-name L --email E   (password on stdin)
   vpn-router-user [--json] add <name> [--email E]   (a Manager-only account; password on stdin)
-  vpn-router-user [--json] add <name> --service [--email E]   (a service account; password on stdin)
+  vpn-router-user [--json] add <name> --service [--display-name N] [--description D] [--email E]
+                                                  (a service account; password on stdin)
   vpn-router-user [--json] update <name> [--first-name F] [--last-name L] [--email E]
+  vpn-router-user [--json] update <name> [--display-name N] [--description D] [--email E]   (a service account)
   vpn-router-user [--json] passwd <name>       (password on stdin)
   vpn-router-user [--json] disable <name>
   vpn-router-user [--json] enable <name>
@@ -57,7 +59,9 @@ HELP = {
 }
 
 #: The help of the person options.
-PERSON_HELP = {'first_name': 'the first name', 'last_name': 'the last name', 'email': 'the e-mail address'}
+PERSON_HELP = {'first_name': 'the first name', 'last_name': 'the last name', 'email': 'the e-mail address',
+               'display_name': "a service account's display name; '' removes it",
+               'description': "a service account's description; '' removes it"}
 
 
 class Parser(argparse.ArgumentParser):
@@ -76,7 +80,7 @@ def parse(argv):
         if command != 'list':
             sub.add_argument('name', help='the user name')
         if command in ('add', 'update'):
-            for key, _ in vpnrouter_users.PERSON:
+            for key, _ in vpnrouter_users.PERSON + vpnrouter_users.LABELS:
                 sub.add_argument(f'--{key.replace("_", "-")}', dest=key, metavar='TEXT', help=PERSON_HELP[key])
         if command == 'add':
             sub.add_argument('--service', action='store_true', help='add a service account, which cannot sign in to the web service')
@@ -95,7 +99,7 @@ def run(connection, options, secret):
     command = options.command
     if command == 'list':
         return vpnrouter_users.list_users(connection)
-    values = {key: getattr(options, key, None) for key, _ in vpnrouter_users.PERSON}
+    values = {key: getattr(options, key, None) for key, _ in vpnrouter_users.PERSON + vpnrouter_users.LABELS}
     if command == 'add':
         return vpnrouter_users.add(connection, options.name, secret, values, service=options.service)
     if command == 'update':