include/shadow_.h

   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 */
  37 struct 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 */
  72 extern void setspent(void);
  73
  74 /* Close database */
  75 extern void endspent(void);
  76
  77 /* Get next entry from database, perhaps after opening the file */
  78 extern struct spwd *getspent(void);
  79
  80 /* Get shadow entry matching NAME */
  81 extern struct spwd *getspnam(__const char *__name);
  82
  83 /* Read shadow entry from STRING */
  84 extern struct spwd *sgetspent(__const char *__string);
  85
  86 /* Read next shadow entry from STREAM */
  87 extern struct spwd *fgetspent(FILE *__stream);
  88
  89 /* Write line containing shadow password entry to stream */
  90 extern int putspent(__const struct spwd *__p, FILE *__stream);
  91
  92 /* Reentrant versions of some of the functions above */
  93 extern int getspent_r(struct spwd *__result_buf, char *__buffer,
  94                        size_t __buflen, struct spwd **__result);
  95
  96 extern int getspnam_r(__const char *__name, struct spwd *__result_buf,
  97                        char *__buffer, size_t __buflen,
  98                        struct spwd **__result);
  99
 100 extern int sgetspent_r(__const char *__string, struct spwd *__result_buf,
 101                         char *__buffer, size_t __buflen,
 102                         struct spwd **__result);
 103
 104 extern 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 */
 108 extern int lckpwdf(void);
 109
 110 /* Unlock password file */
 111 extern int ulckpwdf(void);
 112
 113 #endif /* shadow.h */
 114 #endif