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.
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.
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.
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
20 /* Declaration of types and functions for shadow password suite */
25 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
27 /* Structure of the password file */
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 */
40 /* Paths to the user database files */
42 #define _PATH_SHADOW "/etc/shadow"
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
60 /* All function names below should be remapped by #defines above
61 * in order to not collide with libc names. */
64 /* Open database for reading */
65 extern void setspent(void);
68 extern void endspent(void);
70 /* Get next entry from database, perhaps after opening the file */
71 extern struct spwd *getspent(void);
73 /* Get shadow entry matching NAME */
74 extern struct spwd *getspnam(const char *__name);
76 /* Read shadow entry from STRING */
77 extern struct spwd *sgetspent(const char *__string);
79 /* Read next shadow entry from STREAM */
80 extern struct spwd *fgetspent(FILE *__stream);
82 /* Write line containing shadow password entry to stream */
83 extern int putspent(const struct spwd *__p, FILE *__stream);
85 /* Reentrant versions of some of the functions above */
86 extern int getspent_r(struct spwd *__result_buf, char *__buffer,
87 size_t __buflen, struct spwd **__result);
89 extern int getspnam_r(const char *__name, struct spwd *__result_buf,
90 char *__buffer, size_t __buflen,
91 struct spwd **__result);
93 extern int sgetspent_r(const char *__string, struct spwd *__result_buf,
94 char *__buffer, size_t __buflen,
95 struct spwd **__result);
97 extern int fgetspent_r(FILE *__stream, struct spwd *__result_buf,
98 char *__buffer, size_t __buflen,
99 struct spwd **__result);
100 /* Protect password file against multi writers */
101 extern int lckpwdf(void);
103 /* Unlock password file */
104 extern int ulckpwdf(void);
106 POP_SAVED_FUNCTION_VISIBILITY
108 #endif /* shadow.h */