Add new option to prevent database listing

CHANGELOG

@@ -1,3 +1,4 @@
+* Add new configuration option to prevent database listing
 * Add warning to wizards
 * Add server-side icons
 * Add support for file link to BinaryField

etc/trytond.conf

@@ -87,3 +87,6 @@
 
 # Enable auto-reload of modules if changed
 #auto_reload = True
+
+# Prevent database listing
+#prevent_dblist = False

trytond/config.py

@@ -49,6 +49,7 @@ class ConfigManager(object):
             'session_timeout': 600,
             'psyco': False,
             'auto_reload': True,
+            'prevent_dblist': False,
             'init': {},
             'update': {},
         }

trytond/protocols/dispatcher.py

@@ -69,6 +69,8 @@ def dispatch(host, port, protocol, database_name, user, session, object_type,
             except Exception:
                 return False
         elif method == 'list':
+            if CONFIG['prevent_dblist']:
+                raise Exception('AccessDenied')
             database = Database().connect()
             try:
                 cursor = database.cursor()