/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ /* Declaration of types and functions for shadow password suite. */ #ifndef _SHADOW_H #define _SHADOW_H 1 #include <features.h> #include <paths.h> #define __need_FILE #include <stdio.h> #define __need_size_t #include <stddef.h> /* Paths to the user database files. */ #define SHADOW _PATH_SHADOW __BEGIN_DECLS /* Structure of the password file. */ struct spwd { char *sp_namp; /* Login name. */ char *sp_pwdp; /* Encrypted password. */ long int sp_lstchg; /* Date of last change. */ long int sp_min; /* Minimum number of days between changes. */ long int sp_max; /* Maximum number of days between changes. */ long int sp_warn; /* Number of days to warn user to change the password. */ long int sp_inact; /* Number of days the account may be inactive. */ long int sp_expire; /* Number of days since 1970-01-01 until account expires. */ unsigned long int sp_flag; /* Reserved. */ }; /* Open database for reading. */ extern void setspent (void) __THROW; /* Close database. */ extern void endspent (void) __THROW; /* Get next entry from database, perhaps after opening the file. */ extern struct spwd *getspent (void) __THROW; /* Get shadow entry matching NAME. */ extern struct spwd *getspnam (__const char *__name) __THROW; /* Read shadow entry from STRING. */ extern struct spwd *sgetspent (__const char *__string) __THROW; /* Read next shadow entry from STREAM. */ extern struct spwd *fgetspent (FILE *__stream) __THROW; /* Write line containing shadow password entry to stream. */ extern int putspent (__const struct spwd *__p, FILE *__stream) __THROW; #ifdef __USE_MISC /* Reentrant versions of some of the functions above. */ extern int getspent_r (struct spwd *__result_buf, char *__buffer, size_t __buflen, struct spwd **__result) __THROW; extern int getspnam_r (__const char *__name, struct spwd *__result_buf, char *__buffer, size_t __buflen, struct spwd **__result)__THROW; extern int sgetspent_r (__const char *__string, struct spwd *__result_buf, char *__buffer, size_t __buflen, struct spwd **__result) __THROW; extern int fgetspent_r (FILE *__stream, struct spwd *__result_buf, char *__buffer, size_t __buflen, struct spwd **__result) __THROW; #endif /* misc */ /* Protect password file against multi writers. */ extern int lckpwdf (void) __THROW; /* Unlock password file. */ extern int ulckpwdf (void) __THROW; __END_DECLS #endif /* shadow.h */