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1 | /* Copyright (C) 1996 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Library General Public | |
15 | License along with the GNU C Library; see the file COPYING.LIB. If | |
16 | not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
18 | ||
19 | /* Declaration of types and functions for shadow password suite. */ | |
20 | ||
21 | #ifndef _SHADOW_H | |
22 | ||
23 | #define _SHADOW_H 1 | |
24 | #include <features.h> | |
25 | ||
26 | #define __need_FILE | |
27 | #include <stdio.h> | |
28 | #define __need_time_t | |
29 | #include <time.h> | |
30 | ||
31 | /* Paths to the userd files. */ | |
32 | #define SHADOW "/etc/shadow" | |
33 | ||
34 | ||
35 | __BEGIN_DECLS | |
36 | ||
37 | /* Structure of the password file. */ | |
38 | struct spwd | |
39 | { | |
40 | char *sp_namp; /* Login name. */ | |
41 | char *sp_pwdp; /* Encrypted password. */ | |
42 | __time_t sp_lstchg; /* Date of last change. */ | |
43 | __time_t sp_min; /* Minimum number of days between changes. */ | |
44 | __time_t sp_max; /* Maximum number of days between changes. */ | |
45 | __time_t sp_warn; /* Number of days to warn user to change | |
46 | the password. */ | |
47 | __time_t sp_inact; /* Number of days the account may be | |
48 | inactive. */ | |
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49 | __time_t sp_expire; /* Number of days since 1970-01-01 until |
50 | account expires. */ | |
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51 | unsigned long int sp_flag; /* Reserved. */ |
52 | }; | |
53 | ||
54 | ||
55 | /* Open database for reading. */ | |
56 | extern void setspent __P ((void)); | |
57 | ||
58 | /* Close database. */ | |
59 | extern void endspent __P ((void)); | |
60 | ||
61 | /* Get next entry from database, perhaps after opening the file. */ | |
62 | extern struct spwd *getspent __P ((void)); | |
63 | ||
64 | /* Get shadow entry matching NAME. */ | |
65 | extern struct spwd *getspnam __P ((__const char *__name)); | |
66 | ||
67 | /* Read shadow entry from STRING. */ | |
68 | extern struct spwd *sgetspent __P ((__const char *__string)); | |
69 | ||
70 | /* Read next shadow entry from STREAM. */ | |
71 | extern struct spwd *fgetspent __P ((FILE *__stream)); | |
72 | ||
73 | /* Write line containing shadow password entry to stream. */ | |
74 | extern int putspent __P ((__const struct spwd *__p, FILE *__stream)); | |
75 | ||
76 | ||
77 | #ifdef __USE_REENTRANT | |
78 | /* Reentrant versions of some of the functions above. */ | |
79 | extern struct spwd *__getspent_r __P ((struct spwd *__result_buf, | |
80 | char *__buffer, int __buflen)); | |
81 | extern struct spwd *getspent_r __P ((struct spwd *__result_buf, | |
82 | char *__buffer, int __buflen)); | |
83 | ||
84 | extern struct spwd *__getspnam_r __P ((__const char *__name, | |
85 | struct spwd *__result_buf, | |
86 | char *__buffer, int __buflen)); | |
87 | extern struct spwd *getspnam_r __P ((__const char *__name, | |
88 | struct spwd *__result_buf, | |
89 | char *__buffer, int __buflen)); | |
90 | ||
91 | extern struct spwd *__sgetspent_r __P ((__const char *__string, | |
92 | struct spwd *__result_buf, | |
93 | char *__buffer, int __buflen)); | |
94 | extern struct spwd *sgetspent_r __P ((__const char *__string, | |
95 | struct spwd *__result_buf, | |
96 | char *__buffer, int __buflen)); | |
97 | ||
98 | extern struct spwd *__fgetspent_r __P ((FILE *__stream, | |
99 | struct spwd *__result_buf, | |
100 | char *__buffer, int __buflen)); | |
101 | extern struct spwd *fgetspent_r __P ((FILE *__stream, | |
102 | struct spwd *__result_buf, | |
103 | char *__buffer, int __buflen)); | |
104 | #endif /* reentrant */ | |
105 | ||
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106 | |
107 | /* Protect password file against multi writers. */ | |
108 | extern int __lckpwdf __P ((void)); | |
109 | extern int lckpwdf __P ((void)); | |
110 | ||
111 | /* Unlock password file. */ | |
112 | extern int __ulckpwdf __P ((void)); | |
113 | extern int ulckpwdf __P ((void)); | |
114 | ||
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115 | __END_DECLS |
116 | ||
117 | #endif /* shadow.h */ |