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- /* Copyright (C) 1996, 1997, 1998, 1999, 2003 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.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern void setspent (void);
- /* Close database.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern void endspent (void);
- /* Get next entry from database, perhaps after opening the file.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern struct spwd *getspent (void);
- /* Get shadow entry matching NAME.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern struct spwd *getspnam (__const char *__name);
- /* Read shadow entry from STRING.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern struct spwd *sgetspent (__const char *__string);
- /* Read next shadow entry from STREAM.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern struct spwd *fgetspent (FILE *__stream);
- /* Write line containing shadow password entry to stream.
- This function is not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation it is a cancellation point and
- therefore not marked with __THROW. */
- extern int putspent (__const struct spwd *__p, FILE *__stream);
- #ifdef __USE_MISC
- /* Reentrant versions of some of the functions above.
- These functions are not part of POSIX and therefore no official
- cancellation point. But due to similarity with an POSIX interface
- or due to the implementation they are cancellation points and
- therefore not marked with __THROW. */
- extern int getspent_r (struct spwd *__result_buf, char *__buffer,
- size_t __buflen, struct spwd **__result);
- libc_hidden_proto(getspent_r)
- extern int getspnam_r (__const char *__name, struct spwd *__result_buf,
- char *__buffer, size_t __buflen,
- struct spwd **__result);
- libc_hidden_proto(getspnam_r)
- extern int sgetspent_r (__const char *__string, struct spwd *__result_buf,
- char *__buffer, size_t __buflen,
- struct spwd **__result);
- libc_hidden_proto(sgetspent_r)
- extern int fgetspent_r (FILE *__stream, struct spwd *__result_buf,
- char *__buffer, size_t __buflen,
- struct spwd **__result);
- libc_hidden_proto(fgetspent_r)
- #endif /* misc */
- /* The simple locking functionality provided here is not suitable for
- multi-threaded applications. */
- /* Protect password file against multi writers. */
- extern int lckpwdf (void) __THROW;
- /* Unlock password file. */
- extern int ulckpwdf (void) __THROW;
- __END_DECLS
- #endif /* shadow.h */
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