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/* 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 */
#ifndef _SHADOW_H
#define _SHADOW_H 1
#if __GNUC_PREREQ(4,1)
# pragma GCC visibility push(hidden)
#endif
/* 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 sp_lstchg; /* Date of last change */
long sp_min; /* Minimum number of days between changes */
long sp_max; /* Maximum number of days between changes */
long sp_warn; /* Number of days to warn user to change the password */
long sp_inact; /* Number of days the account may be inactive */
long sp_expire; /* Number of days since 1970-01-01 until account expires */
unsigned long sp_flag; /* Reserved */
};
#define setspent bb_internal_setspent
#define endspent bb_internal_endspent
#define getspent bb_internal_getspent
#define getspnam bb_internal_getspnam
#define sgetspent bb_internal_sgetspent
#define fgetspent bb_internal_fgetspent
#define putspent bb_internal_putspent
#define getspent_r bb_internal_getspent_r
#define getspnam_r bb_internal_getspnam_r
#define sgetspent_r bb_internal_sgetspent_r
#define fgetspent_r bb_internal_fgetspent_r
#define lckpwdf bb_internal_lckpwdf
#define ulckpwdf bb_internal_ulckpwdf
/* All function names below should be remapped by #defines above
* in order to not collide with libc names.
* In theory it isn't necessary, but I saw weird interactions at link time.
* Let's play safe */
/* 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);
#if __GNUC_PREREQ(4,1)
# pragma GCC visibility pop
#endif
#endif /* shadow.h */
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