[age restriction] progress 9/n

More worke towards support for extensions and age restriction:

- taler-exchange-httpd_management_extensions.c almost completed
  - handling of request implemented
  - stub "set_extensions" for database transaction added

- utility functions added
  - TALER_exchange_offline_extension_agemask_{sign,verify}
  - TALER_agemask_parse_json

1 files changed, 6 insertions, 0 deletions

diff --git a/src/exchange/taler-exchange-httpd.h b/src/exchange/taler-exchange-httpd.h
index cad74d2e..fa47af6f 100644
--- a/src/exchange/taler-exchange-httpd.h
+++ b/src/exchange/taler-exchange-httpd.h
@@ -26,6 +26,7 @@
 #include <microhttpd.h>
 #include "taler_json_lib.h"
 #include "taler_crypto_lib.h"
+#include "taler_extensions.h"
 #include <gnunet/gnunet_mhd_compat.h>
 
 
@@ -201,6 +202,11 @@ extern volatile bool MHD_terminating;
 extern struct GNUNET_CURL_Context *TEH_curl_ctx;
 
 /**
+ * The manifest of the available extensions
+ */
+extern const struct TALER_Extension TEH_extensions[TALER_Extension_Max];
+
+/**
  * @brief Struct describing an URL and the handler for it.
  */
 struct TEH_RequestHandler;