/*-
 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Berkeley Software Design,
 *	Inc.
 * 4. The name of Berkeley Software Design, Inc.  may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN, INC. BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	BSDI $From: bsd_auth.h,v 2.3 1999/09/08 22:13:08 prb Exp $
 */

typedef struct auth_session_t auth_session_t;

typedef enum {
	AUTHV_ALL,
	AUTHV_CHALLENGE,
	AUTHV_CLASS,
	AUTHV_NAME,
	AUTHV_SERVICE,
	AUTHV_STYLE,
	AUTHV_INTERACTIVE
} auth_item_t;

char *	auth_getitem(auth_session_t *, auth_item_t);
int	auth_setitem(auth_session_t *, auth_item_t, char *);

auth_session_t *auth_open();
auth_session_t *auth_verify(auth_session_t *, char *, char *, ...);
auth_session_t *auth_userchallenge(char *, char *, char *, char **);
auth_session_t *auth_usercheck(char *, char *, char *, char *);

int	auth_userresponse(auth_session_t *, char *, int);
int	auth_userokay(char *, char *, char *, char *);
int	auth_approval(auth_session_t *, login_cap_t *, char *, char *);

int	auth_close(auth_session_t *);
void	auth_clean(auth_session_t *);

char *	auth_getvalue(auth_session_t *, char *);
int	auth_getstate(auth_session_t *);
char *	auth_challenge(auth_session_t *);
void	auth_setenv(auth_session_t *);
void	auth_clrenv(auth_session_t *);

void	auth_setstate(auth_session_t *, int);
int	auth_call(auth_session_t *, char *, ...);

int	auth_setdata(auth_session_t *, void *, size_t);
int	auth_setoption(auth_session_t *, char *, char *);
int	auth_setpwd(auth_session_t *, struct passwd *pwd);
void	auth_set_va_list(auth_session_t *, _BSD_VA_LIST_);

struct	passwd *auth_getpwd(auth_session_t *);

quad_t	auth_check_expire(auth_session_t *);
quad_t	auth_check_change(auth_session_t *);

void	auth_clroptions(auth_session_t *);
void	auth_clroption(auth_session_t *, char *);


char *	auth_mkvalue(char *);
void	auth_checknologin(login_cap_t *);
int	auth_cat(char *);