1 /* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 /* Declaration of types and functions for shadow password suite. */
21 #if !defined CONFIG_USE_BB_SHADOW
30 /* Paths to the user database files. */
32 #define _PATH_SHADOW "/etc/shadow"
34 #define SHADOW _PATH_SHADOW
37 /* Structure of the password file. */
40 char *sp_namp; /* Login name. */
41 char *sp_pwdp; /* Encrypted password. */
42 long int sp_lstchg; /* Date of last change. */
43 long int sp_min; /* Minimum number of days between changes. */
44 long int sp_max; /* Maximum number of days between changes. */
45 long int sp_warn; /* Number of days to warn user to change
47 long int sp_inact; /* Number of days the account may be
49 long int sp_expire; /* Number of days since 1970-01-01 until
51 unsigned long int sp_flag; /* Reserved. */
55 /* Open database for reading. */
56 extern void setspent (void);
59 extern void endspent (void);
61 /* Get next entry from database, perhaps after opening the file. */
62 extern struct spwd *getspent (void);
64 /* Get shadow entry matching NAME. */
65 extern struct spwd *getspnam (__const char *__name);
67 /* Read shadow entry from STRING. */
68 extern struct spwd *sgetspent (__const char *__string);
70 /* Read next shadow entry from STREAM. */
71 extern struct spwd *fgetspent (FILE *__stream);
73 /* Write line containing shadow password entry to stream. */
74 extern int putspent (__const struct spwd *__p, FILE *__stream);
76 /* Reentrant versions of some of the functions above. */
77 extern int getspent_r (struct spwd *__result_buf, char *__buffer,
78 size_t __buflen, struct spwd **__result);
80 extern int getspnam_r (__const char *__name, struct spwd *__result_buf,
81 char *__buffer, size_t __buflen,
82 struct spwd **__result)__THROW;
84 extern int sgetspent_r (__const char *__string, struct spwd *__result_buf,
85 char *__buffer, size_t __buflen,
86 struct spwd **__result);
88 extern int fgetspent_r (FILE *__stream, struct spwd *__result_buf,
89 char *__buffer, size_t __buflen,
90 struct spwd **__result);
91 /* Protect password file against multi writers. */
92 extern int lckpwdf (void);
94 /* Unlock password file. */
95 extern int ulckpwdf (void);