1/* vi: set sw=4 ts=4: */
2/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
3   This file is part of the GNU C Library.
4
5   The GNU C Library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9
10   The GNU C Library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14
15   You should have received a copy of the GNU Lesser General Public
16   License along with the GNU C Library; if not, write to the Free
17   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18   02111-1307 USA.  */
19
20/* Declaration of types and functions for shadow password suite */
21
22#if !ENABLE_USE_BB_SHADOW
23
24#include <shadow.h>
25
26#else
27
28#ifndef _SHADOW_H
29#define _SHADOW_H 1
30
31/* Paths to the user database files */
32#ifndef _PATH_SHADOW
33#define _PATH_SHADOW "/etc/shadow"
34#endif
35
36/* Structure of the password file */
37struct spwd {
38	char *sp_namp;          /* Login name */
39	char *sp_pwdp;          /* Encrypted password */
40	long sp_lstchg;         /* Date of last change */
41	long sp_min;            /* Minimum number of days between changes */
42	long sp_max;            /* Maximum number of days between changes */
43	long sp_warn;           /* Number of days to warn user to change the password */
44	long sp_inact;          /* Number of days the account may be inactive */
45	long sp_expire;         /* Number of days since 1970-01-01 until account expires */
46	unsigned long sp_flag;  /* Reserved */
47};
48
49
50#define setspent    bb_internal_setspent
51#define endspent    bb_internal_endspent
52#define getspent    bb_internal_getspent
53#define getspnam    bb_internal_getspnam
54#define sgetspent   bb_internal_sgetspent
55#define fgetspent   bb_internal_fgetspent
56#define putspent    bb_internal_putspent
57#define getspent_r  bb_internal_getspent_r
58#define getspnam_r  bb_internal_getspnam_r
59#define sgetspent_r bb_internal_sgetspent_r
60#define fgetspent_r bb_internal_fgetspent_r
61#define lckpwdf     bb_internal_lckpwdf
62#define ulckpwdf    bb_internal_ulckpwdf
63
64
65/* All function names below should be remapped by #defines above
66 * in order to not collide with libc names.
67 * In theory it isn't necessary, but I saw weird interactions at link time.
68 * Let's play safe */
69
70
71/* Open database for reading */
72extern void setspent(void);
73
74/* Close database */
75extern void endspent(void);
76
77/* Get next entry from database, perhaps after opening the file */
78extern struct spwd *getspent(void);
79
80/* Get shadow entry matching NAME */
81extern struct spwd *getspnam(__const char *__name);
82
83/* Read shadow entry from STRING */
84extern struct spwd *sgetspent(__const char *__string);
85
86/* Read next shadow entry from STREAM */
87extern struct spwd *fgetspent(FILE *__stream);
88
89/* Write line containing shadow password entry to stream */
90extern int putspent(__const struct spwd *__p, FILE *__stream);
91
92/* Reentrant versions of some of the functions above */
93extern int getspent_r(struct spwd *__result_buf, char *__buffer,
94		       size_t __buflen, struct spwd **__result);
95
96extern int getspnam_r(__const char *__name, struct spwd *__result_buf,
97		       char *__buffer, size_t __buflen,
98		       struct spwd **__result);
99
100extern int sgetspent_r(__const char *__string, struct spwd *__result_buf,
101			char *__buffer, size_t __buflen,
102			struct spwd **__result);
103
104extern int fgetspent_r(FILE *__stream, struct spwd *__result_buf,
105			char *__buffer, size_t __buflen,
106			struct spwd **__result);
107/* Protect password file against multi writers */
108extern int lckpwdf(void);
109
110/* Unlock password file */
111extern int ulckpwdf(void);
112
113#endif /* shadow.h */
114#endif
115