/*
 * Copyright © 2006 Atheme Development Group
 * Rights to this code are as documented in doc/LICENSE.
 *
 * Data structures for SASL plugin use.
 *
 * $Id: sasl.h,v 1.1 2007/07/19 08:24:50 pippijn Exp $
 */

#ifndef SASL_H
#define SASL_H

struct sasl_mechanism_t;

struct sasl_session_t
{
  char uid[IDLEN];
  char *buf, *p;
  int len, flags;

  sasl_mechanism_t *mechptr;
  void *mechdata;

  char *username;
};

struct sasl_message_t
{
  char *uid;
  char mode;
  char *buf;
};

struct sasl_mechanism_t
{
  char name[21];
  int (*mech_start) (sasl_session_t *sptr, char **buffer, int *buflen);
  int (*mech_step) (sasl_session_t *sptr, char *message, int length, char **buffer, int *buflen);
  void (*mech_finish) (sasl_session_t *sptr);
};

#define ASASL_FAIL 0		/* client supplied invalid credentials / screwed up their formatting */
#define ASASL_MORE 1		/* everything looks good so far, but we're not done yet */
#define ASASL_DONE 2		/* client successfully authenticated */

#define ASASL_MARKED_FOR_DELETION   1	/* see delete_stale() in saslserv/main.c */
#define ASASL_NEED_LOG              2	/* user auth success needs to be logged still */

#endif