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#ifndef BB_SHADOW_H
23#define BB_SHADOW_H 1
24
25PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
26
27/* Structure of the password file */
28struct spwd {
29	char *sp_namp;          /* Login name */
30	char *sp_pwdp;          /* Encrypted password */
31	long sp_lstchg;         /* Date of last change */
32	long sp_min;            /* Minimum number of days between changes */
33	long sp_max;            /* Maximum number of days between changes */
34	long sp_warn;           /* Number of days to warn user to change the password */
35	long sp_inact;          /* Number of days the account may be inactive */
36	long sp_expire;         /* Number of days since 1970-01-01 until account expires */
37	unsigned long sp_flag;  /* Reserved */
38};
39
40/* Paths to the user database files */
41#ifndef _PATH_SHADOW
42#define _PATH_SHADOW "/etc/shadow"
43#endif
44
45#define setspent    bb_internal_setspent
46#define endspent    bb_internal_endspent
47#define getspent    bb_internal_getspent
48#define getspnam    bb_internal_getspnam
49#define sgetspent   bb_internal_sgetspent
50#define fgetspent   bb_internal_fgetspent
51#define putspent    bb_internal_putspent
52#define getspent_r  bb_internal_getspent_r
53#define getspnam_r  bb_internal_getspnam_r
54#define sgetspent_r bb_internal_sgetspent_r
55#define fgetspent_r bb_internal_fgetspent_r
56#define lckpwdf     bb_internal_lckpwdf
57#define ulckpwdf    bb_internal_ulckpwdf
58
59
60/* All function names below should be remapped by #defines above
61 * in order to not collide with libc names. */
62
63#ifdef UNUSED_FOR_NOW
64/* Open database for reading */
65extern void setspent(void);
66
67/* Close database */
68extern void endspent(void);
69
70/* Get next entry from database, perhaps after opening the file */
71extern struct spwd *getspent(void);
72
73/* Get shadow entry matching NAME */
74extern struct spwd *getspnam(const char *__name);
75
76/* Read shadow entry from STRING */
77extern struct spwd *sgetspent(const char *__string);
78
79/* Read next shadow entry from STREAM */
80extern struct spwd *fgetspent(FILE *__stream);
81
82/* Write line containing shadow password entry to stream */
83extern int putspent(const struct spwd *__p, FILE *__stream);
84
85/* Reentrant versions of some of the functions above */
86extern int getspent_r(struct spwd *__result_buf, char *__buffer,
87		       size_t __buflen, struct spwd **__result);
88#endif
89
90extern int getspnam_r(const char *__name, struct spwd *__result_buf,
91		       char *__buffer, size_t __buflen,
92		       struct spwd **__result);
93
94#ifdef UNUSED_FOR_NOW
95extern int sgetspent_r(const char *__string, struct spwd *__result_buf,
96			char *__buffer, size_t __buflen,
97			struct spwd **__result);
98
99extern int fgetspent_r(FILE *__stream, struct spwd *__result_buf,
100			char *__buffer, size_t __buflen,
101			struct spwd **__result);
102/* Protect password file against multi writers */
103extern int lckpwdf(void);
104
105/* Unlock password file */
106extern int ulckpwdf(void);
107#endif
108
109POP_SAVED_FUNCTION_VISIBILITY
110
111#endif /* shadow.h */
112