root/usr/src/head/shadow.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */


#ifndef _SHADOW_H
#define _SHADOW_H


#ifdef  __cplusplus
extern "C" {
#endif

#define PASSWD          "/etc/passwd"
#define SHADOW          "/etc/shadow"
#define OPASSWD         "/etc/opasswd"
#define OSHADOW         "/etc/oshadow"
#define PASSTEMP        "/etc/ptmp"
#define SHADTEMP        "/etc/stmp"

#define DAY             (24L * 60 * 60) /* 1 day in seconds */
#define DAY_NOW         (time_t)time((time_t *)0) / DAY
                        /* The above timezone variable is set by a call to */
                        /* any ctime(3c) routine.  Programs using the DAY_NOW */
                        /* macro must call one of the ctime routines, */
                        /* e.g. tzset(), BEFORE referencing DAY_NOW */

#define LOCKSTRING      "*LK*"  /* prefix to/string in sp_pwdp to lock acct */
#define NOLOGINSTRING   "NP"    /* sp_pwdp for no-login accounts */
#define NOPWDRTR        "*NP*"  /* password is not retrievable */
/*
 * The spwd structure is used in the retreval of information from
 * /etc/shadow.  It is used by routines in the libos library.
 */
struct spwd {
        char *sp_namp;  /* user name */
        char *sp_pwdp;  /* user password */
        int sp_lstchg;  /* password lastchanged date */
        int sp_min;     /* minimum number of days between password changes */
        int sp_max;     /* number of days password is valid */
        int sp_warn;    /* number of days to warn user to change passwd */
        int sp_inact;   /* number of days the login may be inactive */
        int sp_expire;  /* date when the login is no longer valid */
        unsigned int sp_flag;   /* currently low 4 bits are used */

        /* low 4 bits of sp_flag for counting failed login attempts */
#define FAILCOUNT_MASK 0xF
};

#ifndef _STDIO_H
#include <stdio.h>
#endif

/* Declare all shadow password functions */

extern struct spwd *getspnam_r(const char *,  struct spwd *, char *, int);
extern struct spwd *getspent_r(struct spwd *, char *, int);
extern struct spwd *fgetspent_r(FILE *, struct spwd *, char *, int);

extern void     setspent(void);
extern void     endspent(void);
extern struct spwd      *getspent(void);                        /* MT-unsafe */
extern struct spwd      *fgetspent(FILE *);                     /* MT-unsafe */
extern struct spwd      *getspnam(const char *);        /* MT-unsafe */

extern int      putspent(const struct spwd *, FILE *);
extern int      lckpwdf(void);
extern int      ulckpwdf(void);

#ifdef  __cplusplus
}
#endif

#endif  /* _SHADOW_H */