From 9615a08218caa63c4221a6b5922c628328e719d1 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 15 Jul 2004 12:53:49 +0000 Subject: Replace the old and somewhat buggy pwd_grp stuff with the shiny new stuff mjn3 wrote for uClibc --- include/grp_.h | 113 ++++++++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 95 insertions(+), 18 deletions(-) (limited to 'include/grp_.h') diff --git a/include/grp_.h b/include/grp_.h index 7cb0d4af6..b212b0b4a 100644 --- a/include/grp_.h +++ b/include/grp_.h @@ -1,39 +1,116 @@ -#ifndef __CONFIG_GRP_H -#define __CONFIG_GRP_H +/* Copyright (C) 1991,92,95,96,97,98,99,2000,01 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. */ + +/* + * POSIX Standard: 9.2.1 Group Database Access + */ + #if !defined CONFIG_USE_BB_PWD_GRP #include #else +#ifndef _GRP_H +#define _GRP_H 1 + + #include #include #include -/* The group structure */ +/* The group structure. */ struct group { - char *gr_name; /* Group name. */ - char *gr_passwd; /* Password. */ - gid_t gr_gid; /* Group ID. */ - char **gr_mem; /* Member list. */ + char *gr_name; /* Group name. */ + char *gr_passwd; /* Password. */ + gid_t gr_gid; /* Group ID. */ + char **gr_mem; /* Member list. */ }; -extern void setgrent __P ((void)); -extern void endgrent __P ((void)); -extern struct group * getgrent __P ((void)); -extern struct group * getgrgid __P ((__const gid_t gid)); -extern struct group * getgrnam __P ((__const char * name)); +/* Rewind the group-file stream. */ +extern void setgrent (void); + +/* Close the group-file stream. */ +extern void endgrent (void); + +/* Read an entry from the group-file stream, opening it if necessary. */ +extern struct group *getgrent (void); + +/* Read a group entry from STREAM. */ +extern struct group *fgetgrent (FILE *__stream); + +/* Write the given entry onto the given stream. */ +extern int putgrent (__const struct group *__restrict __p, + FILE *__restrict __f); + +/* Search for an entry with a matching group ID. */ +extern struct group *getgrgid (gid_t __gid); + +/* Search for an entry with a matching group name. */ +extern struct group *getgrnam (__const char *__name); + +/* Reentrant versions of some of the functions above. + + PLEASE NOTE: the `getgrent_r' function is not (yet) standardized. + The interface may change in later versions of this library. But + the interface is designed following the principals used for the + other reentrant functions so the chances are good this is what the + POSIX people would choose. */ + +extern int getgrent_r (struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Search for an entry with a matching group ID. */ +extern int getgrgid_r (gid_t __gid, struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Search for an entry with a matching group name. */ +extern int getgrnam_r (__const char *__restrict __name, + struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); + +/* Read a group entry from STREAM. This function is not standardized + an probably never will. */ +extern int fgetgrent_r (FILE *__restrict __stream, + struct group *__restrict __resultbuf, + char *__restrict __buffer, size_t __buflen, + struct group **__restrict __result); -extern struct group * fgetgrent __P ((FILE * file)); +/* Set the group set for the current user to GROUPS (N of them). */ +extern int setgroups (size_t __n, __const gid_t *__groups); -extern int setgroups __P ((size_t n, __const gid_t * groups)); -extern int initgroups __P ((__const char * user, gid_t gid)); +/* Store at most *NGROUPS members of the group set for USER into + *GROUPS. Also include GROUP. The actual number of groups found is + returned in *NGROUPS. Return -1 if the if *NGROUPS is too small. */ +extern int getgrouplist (__const char *__user, gid_t __group, + gid_t *__groups, int *__ngroups); -extern struct group * bb_getgrent __P ((int grp_fd)); +/* Initialize the group set for the current user + by reading the group database and using all groups + of which USER is a member. Also include GROUP. */ +extern int initgroups (__const char *__user, gid_t __group); -#endif /* USE_SYSTEM_PWD_GRP */ -#endif /* __CONFIG_GRP_H */ +#endif /* grp.h */ +#endif -- cgit v1.2.3