106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Declaration of types and functions for shadow password suite. */
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#ifndef _SHADOW_H
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#define _SHADOW_H 1
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#include <features.h>
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#include <paths.h>
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#define __need_FILE
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#include <stdio.h>
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#define __need_size_t
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#include <stddef.h>
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/* Paths to the user database files. */
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#define SHADOW _PATH_SHADOW
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__BEGIN_DECLS
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/* Structure of the password file. */
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struct spwd
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{
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char *sp_namp; /* Login name. */
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char *sp_pwdp; /* Encrypted password. */
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long int sp_lstchg; /* Date of last change. */
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long int sp_min; /* Minimum number of days between changes. */
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long int sp_max; /* Maximum number of days between changes. */
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long int sp_warn; /* Number of days to warn user to change
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the password. */
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long int sp_inact; /* Number of days the account may be
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inactive. */
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long int sp_expire; /* Number of days since 1970-01-01 until
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account expires. */
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unsigned long int sp_flag; /* Reserved. */
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};
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/* Open database for reading. */
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extern void setspent __P ((void));
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/* Close database. */
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extern void endspent __P ((void));
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/* Get next entry from database, perhaps after opening the file. */
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extern struct spwd *getspent __P ((void));
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/* Get shadow entry matching NAME. */
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extern struct spwd *getspnam __P ((__const char *__name));
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/* Read shadow entry from STRING. */
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extern struct spwd *sgetspent __P ((__const char *__string));
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/* Read next shadow entry from STREAM. */
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extern struct spwd *fgetspent __P ((FILE *__stream));
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/* Write line containing shadow password entry to stream. */
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extern int putspent __P ((__const struct spwd *__p, FILE *__stream));
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#ifdef __USE_MISC
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/* Reentrant versions of some of the functions above. */
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extern int getspent_r __P ((struct spwd *__result_buf, char *__buffer,
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size_t __buflen, struct spwd **__result));
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extern int getspnam_r __P ((__const char *__name, struct spwd *__result_buf,
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char *__buffer, size_t __buflen,
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struct spwd **__result));
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extern int sgetspent_r __P ((__const char *__string, struct spwd *__result_buf,
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char *__buffer, size_t __buflen,
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struct spwd **__result));
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extern int fgetspent_r __P ((FILE *__stream, struct spwd *__result_buf,
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char *__buffer, size_t __buflen,
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struct spwd **__result));
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#endif /* misc */
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/* Protect password file against multi writers. */
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extern int lckpwdf __P ((void));
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/* Unlock password file. */
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extern int ulckpwdf __P ((void));
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__END_DECLS
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#endif /* shadow.h */
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