busybox/include/shadow_.h

/* vi: set sw=4 ts=4: */
/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C 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 2.1 of the License, or (at your option) any later version.

   The GNU C 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 the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

/* Declaration of types and functions for shadow password suite */

#if !ENABLE_USE_BB_SHADOW
#include <shadow.h>
#else

#ifndef _SHADOW_H
#define _SHADOW_H	1

/* Paths to the user database files */
#ifndef _PATH_SHADOW
#define _PATH_SHADOW "/etc/shadow"
#endif

/* Structure of the password file */
struct spwd {
	char *sp_namp;          /* Login name */
	char *sp_pwdp;          /* Encrypted password */
	long int sp_lstchg;     /* Date of last change */
	long int sp_min;        /* Minimum number of days between changes */
	long int sp_max;        /* Maximum number of days between changes */
	long int sp_warn;       /* Number of days to warn user to change the password */
	long int sp_inact;      /* Number of days the account may be inactive */
	long int sp_expire;     /* Number of days since 1970-01-01 until account expires */
	unsigned long int sp_flag;      /* Reserved */
};

/* Open database for reading */
extern void setspent(void);

/* Close database */
extern void endspent(void);

/* Get next entry from database, perhaps after opening the file */
extern struct spwd *getspent(void);

/* Get shadow entry matching NAME */
extern struct spwd *getspnam(__const char *__name);

/* Read shadow entry from STRING */
extern struct spwd *sgetspent(__const char *__string);

/* Read next shadow entry from STREAM */
extern struct spwd *fgetspent(FILE *__stream);

/* Write line containing shadow password entry to stream */
extern int putspent(__const struct spwd *__p, FILE *__stream);

/* Reentrant versions of some of the functions above */
extern int getspent_r(struct spwd *__result_buf, char *__buffer,
		       size_t __buflen, struct spwd **__result);

extern int getspnam_r(__const char *__name, struct spwd *__result_buf,
		       char *__buffer, size_t __buflen,
		       struct spwd **__result);

extern int sgetspent_r(__const char *__string, struct spwd *__result_buf,
			char *__buffer, size_t __buflen,
			struct spwd **__result);

extern int fgetspent_r(FILE *__stream, struct spwd *__result_buf,
			char *__buffer, size_t __buflen,
			struct spwd **__result);
/* Protect password file against multi writers */
extern int lckpwdf(void);

/* Unlock password file */
extern int ulckpwdf(void);

#endif /* shadow.h */
#endif