/* * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. * Copyright (C) 2007 The Regents of the University of California. * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). * Written by Brian Behlendorf <behlendorf1@llnl.gov>. * UCRL-CODE-235197 * * This file is part of the SPL, Solaris Porting Layer. * For details, see <http://zfsonlinux.org/>. * * The SPL is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * The SPL 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 General Public License * for more details. * * You should have received a copy of the GNU General Public License along * with the SPL. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _SPL_CRED_H #define _SPL_CRED_H #include <linux/module.h> #include <linux/cred.h> #include <sys/types.h> #include <sys/vfs.h> typedef struct cred cred_t; #define kcred ((cred_t *)(init_task.cred)) #define CRED() ((cred_t *)current_cred()) /* Linux 4.9 API change, GROUP_AT was removed */ #ifndef GROUP_AT #define GROUP_AT(gi, i) ((gi)->gid[i]) #endif #define KUID_TO_SUID(x) (__kuid_val(x)) #define KGID_TO_SGID(x) (__kgid_val(x)) #define SUID_TO_KUID(x) (KUIDT_INIT(x)) #define SGID_TO_KGID(x) (KGIDT_INIT(x)) #define KGIDP_TO_SGIDP(x) (&(x)->val) extern void crhold(cred_t *cr); extern void crfree(cred_t *cr); extern uid_t crgetuid(const cred_t *cr); extern uid_t crgetruid(const cred_t *cr); extern uid_t crgetsuid(const cred_t *cr); extern uid_t crgetfsuid(const cred_t *cr); extern gid_t crgetgid(const cred_t *cr); extern gid_t crgetrgid(const cred_t *cr); extern gid_t crgetsgid(const cred_t *cr); extern gid_t crgetfsgid(const cred_t *cr); extern int crgetngroups(const cred_t *cr); extern gid_t *crgetgroups(const cred_t *cr); extern int groupmember(gid_t gid, const cred_t *cr); #endif /* _SPL_CRED_H */