1 /*****************************************************************************\ 2 * groups.h - T=Header to gather group membership information 3 * These functions utilize a cache for performance reasons 4 ***************************************************************************** 5 * Copyright (C) 2010 Lawrence Livermore National Security. 6 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). 7 * Written by Morris Jette <jette1@llnl.gov> et. al. 8 * CODE-OCEC-09-009. All rights reserved. 9 * 10 * This file is part of Slurm, a resource management program. 11 * For details, see <https://slurm.schedmd.com/>. 12 * Please also read the included file: DISCLAIMER. 13 * 14 * Slurm is free software; you can redistribute it and/or modify it under 15 * the terms of the GNU General Public License as published by the Free 16 * Software Foundation; either version 2 of the License, or (at your option) 17 * any later version. 18 * 19 * In addition, as a special exception, the copyright holders give permission 20 * to link the code of portions of this program with the OpenSSL library under 21 * certain conditions as described in each individual source file, and 22 * distribute linked combinations including the two. You must obey the GNU 23 * General Public License in all respects for all of the code used other than 24 * OpenSSL. If you modify file(s) with this exception, you may extend this 25 * exception to your version of the file(s), but you are not obligated to do 26 * so. If you do not wish to do so, delete this exception statement from your 27 * version. If you delete this exception statement from all source files in 28 * the program, then also delete it here. 29 * 30 * Slurm is distributed in the hope that it will be useful, but WITHOUT ANY 31 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 32 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 33 * details. 34 * 35 * You should have received a copy of the GNU General Public License along 36 * with Slurm; if not, write to the Free Software Foundation, Inc., 37 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 38 \*****************************************************************************/ 39 40 #ifndef _HAVE_GROUPS_H 41 #define _HAVE_GROUPS_H 42 43 #include <unistd.h> 44 #include <sys/types.h> 45 46 /* Delete our group/uid cache */ 47 extern void clear_group_cache(void); 48 49 /* 50 * get_group_members - identify the users in a given group name 51 * IN group_name - a single group name 52 * RET a zero terminated list of its UIDs or NULL on error 53 * NOTE: User root has implicitly access to every group 54 * NOTE: The caller must xfree non-NULL return values 55 * NOTE: Call clear_group_cache() to flush cache 56 */ 57 extern uid_t *get_group_members(char *group_name); 58 59 #endif /* !_HAVE_GROUPS_H */ 60