Changes to improve robustness of SSL processing, separate it so far as possible from protocols. Separate the detailed mechanism of authentication from the MySQL protocol with a view to making it into a module later.

server/include/dcb.h

@@ -322,11 +322,8 @@ void dcb_hangup_foreach (struct server* server);
 size_t dcb_get_session_id(DCB* dcb);
 bool dcb_get_ses_log_info(DCB* dcb, size_t* sesid, int* enabled_logs);
 char *dcb_role_name(DCB *);                  /* Return the name of a role */
-int dcb_create_SSL(DCB* dcb);
 int dcb_accept_SSL(DCB* dcb);
 int dcb_connect_SSL(DCB* dcb);
-int dcb_read_SSL(DCB   *dcb,GWBUF **head);
-
 
 /**
  * DCB flags values