/*	$NetBSD: pwd.h,v 1.41 2007/10/19 15:58:52 christos Exp $	*/

/*-
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * 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. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
 *
 *	@(#)pwd.h	8.2 (Berkeley) 1/21/94
 */

/*-
 * Portions Copyright(C) 1995, Jason Downs.  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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 THE AUTHOR(S) 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.
 */

#ifndef _PWD_H_
#define	_PWD_H_

#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <sys/types.h>

#if defined(_NETBSD_SOURCE) || defined(HAVE_NBTOOL_CONFIG_H)
#define	_PATH_PASSWD		"/etc/passwd"
#define	_PATH_MASTERPASSWD	"/etc/master.passwd"
#define	_PATH_MASTERPASSWD_LOCK	"/etc/ptmp"

#define	_PATH_PASSWD_CONF	"/etc/passwd.conf"
#define	_PATH_PASSWDCONF	_PATH_PASSWD_CONF	/* XXX: compat */
#define	_PATH_USERMGMT_CONF	"/etc/usermgmt.conf"

#define	_PATH_MP_DB		"/etc/pwd.db"
#define	_PATH_SMP_DB		"/etc/spwd.db"

#define	_PATH_PWD_MKDB		"/usr/sbin/pwd_mkdb"

#define	_PW_KEYBYNAME		'1'	/* stored by name */
#define	_PW_KEYBYNUM		'2'	/* stored by entry in the "file" */
#define	_PW_KEYBYUID		'3'	/* stored by uid */

#define	_PASSWORD_EFMT1		'_'	/* extended DES encryption format */
#define	_PASSWORD_NONDES	'$'	/* non-DES encryption formats */

#define	_PASSWORD_LEN		128	/* max length, not counting NUL */

#define _PASSWORD_NOUID		0x01	/* flag for no specified uid. */
#define _PASSWORD_NOGID		0x02	/* flag for no specified gid. */
#define _PASSWORD_NOCHG		0x04	/* flag for no specified change. */
#define _PASSWORD_NOEXP		0x08	/* flag for no specified expire. */

#define _PASSWORD_OLDFMT	0x10	/* flag to expect an old style entry */
#define _PASSWORD_NOWARN	0x20	/* no warnings for bad entries */

#define _PASSWORD_WARNDAYS	14	/* days to warn about expiry */
#define _PASSWORD_CHGNOW	-1	/* special day to force password
					 * change at next login */
#endif

struct passwd {
	__aconst char *pw_name;		/* user name */
	__aconst char *pw_passwd;	/* encrypted password */
	uid_t	    pw_uid;		/* user uid */
	gid_t	    pw_gid;		/* user gid */
	time_t	    pw_change;		/* password change time */
	__aconst char *pw_class;	/* user login class */
	__aconst char *pw_gecos;	/* general information */
	__aconst char *pw_dir;		/* home directory */
	__aconst char *pw_shell;	/* default shell */
	time_t	    pw_expire;		/* account expiration */
};

__BEGIN_DECLS
struct passwd	*getpwuid(uid_t);
struct passwd	*getpwnam(const char *);
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
    defined(_REENTRANT) || defined(_NETBSD_SOURCE)
int		 getpwnam_r(const char *, struct passwd *, char *, size_t,
				struct passwd **);
int		 getpwuid_r(uid_t, struct passwd *, char *, size_t,
				struct passwd **);
#endif
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
struct passwd	*getpwent(void);
void		 setpwent(void);
void		 endpwent(void);
#endif
#if defined(_NETBSD_SOURCE)
int		 pw_gensalt(char *, size_t, const char *, const char *);
int		 pw_scan(char *, struct passwd *, int *);
int		 setpassent(int);
int		 getpwent_r(struct passwd *, char *, size_t, struct passwd **);
const char	*user_from_uid(uid_t, int);
int		 uid_from_user(const char *, uid_t *);
int		 pwcache_userdb(int (*)(int), void (*)(void),
				struct passwd * (*)(const char *),
				struct passwd * (*)(uid_t));
#endif
__END_DECLS

#endif /* !_PWD_H_ */
