| /* |
| * 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 |
| |
| #ifdef HAVE_KUIDGID_T |
| |
| #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) |
| |
| #else /* HAVE_KUIDGID_T */ |
| |
| #define KUID_TO_SUID(x) (x) |
| #define KGID_TO_SGID(x) (x) |
| #define SUID_TO_KUID(x) (x) |
| #define SGID_TO_KGID(x) (x) |
| #define KGIDP_TO_SGIDP(x) (x) |
| |
| #endif /* HAVE_KUIDGID_T */ |
| |
| 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 */ |