/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999-2021 Free Software Foundation, Inc.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General
   Public License along with this library.  If not, see
   <http://www.gnu.org/licenses/>. */

#ifndef _MAILUTILS_SYS_AUTH_H
# define _MAILUTILS_SYS_AUTH_H

#include <sys/types.h>
#include <mailutils/auth.h>
#include <mailutils/list.h>

#ifdef __cplusplus
extern "C" {
#endif

struct _mu_ticket
{
  void *owner;           /* Object owner.  Not actually needed, but retained
			    for a while. */
  unsigned int refcnt;   /* Reference counter */
  char *plain;           /* Plaintext credential (if any) */
  mu_secret_t secret;    /* Secret credential (if any) */
  void (*_destroy)  (mu_ticket_t); /* Destroy function */
  /* Function for obtaining credentials */
  int  (*_get_cred) (mu_ticket_t, mu_url_t, const char *, char **,
		     mu_secret_t *);
  /* Additional data for _get_cred */
  void *data;
};

struct _mu_authority
{
  void *owner;
  mu_ticket_t ticket;
  mu_list_t auth_methods; /* list of int (*_authenticate) (mu_authority_t)s; */
};

struct _mu_wicket
{
  unsigned int refcnt;   /* Reference counter */
  void *data;
  int (*_get_ticket) (mu_wicket_t, void *, const char *, mu_ticket_t *);
  void (*_destroy) (mu_wicket_t);
};


#ifdef __cplusplus
}
#endif

#endif /* _MAILUTILS_SYS_AUTH_H */