[age restriction] progress 8/n

More work towards support for extensions and age restriction

- updated gana
- added handler for DB-Event
- added TEH_extensions_init() and _done()
- added global for age restriction
- added stub for post handler
- added SQL-table for extension metadata
- added enum type for extensions and other data structures

Also:
- fixed some warnings -Wmaybe-unitialized

1 files changed, 21 insertions, 0 deletions

diff --git a/src/exchange/taler-exchange-httpd_management.h b/src/exchange/taler-exchange-httpd_management.h
index d46aad9e4..f0d922e64 100644
--- a/src/exchange/taler-exchange-httpd_management.h
+++ b/src/exchange/taler-exchange-httpd_management.h
@@ -135,4 +135,25 @@ TEH_handler_management_post_wire_fees (
   const json_t *root);
 
 
+/**
+ * Handle a POST "/management/extensions" request.
+ *
+ * @param connection the MHD connection to handle
+ * @param root uploaded JSON data
+ * @return MHD result code
+ */
+MHD_RESULT
+TEH_handler_management_post_extensions (
+  struct MHD_Connection *connection,
+  const json_t *root);
+
+
+/**
+ * Initialize extension configuration handling.
+ *
+ * @return #GNUNET_OK on success
+ */
+enum GNUNET_GenericReturnValue
+TEH_extensions_init (void);
+
 #endif