2 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
3 * Copyright (C) 2007 The Regents of the University of California.
4 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
5 * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
8 * This file is part of the SPL, Solaris Porting Layer.
9 * For details, see <http://zfsonlinux.org/>.
11 * The SPL is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
16 * The SPL is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 * You should have received a copy of the GNU General Public License along
22 * with the SPL. If not, see <http://www.gnu.org/licenses/>.
28 #include <linux/module.h>
29 #include <linux/cred.h>
30 #include <sys/types.h>
33 typedef struct cred cred_t;
35 #define kcred ((cred_t *)(init_task.cred))
36 #define CRED() ((cred_t *)current_cred())
38 /* Linux 4.9 API change, GROUP_AT was removed */
40 #define GROUP_AT(gi, i) ((gi)->gid[i])
43 #define KUID_TO_SUID(x) (__kuid_val(x))
44 #define KGID_TO_SGID(x) (__kgid_val(x))
45 #define SUID_TO_KUID(x) (KUIDT_INIT(x))
46 #define SGID_TO_KGID(x) (KGIDT_INIT(x))
47 #define KGIDP_TO_SGIDP(x) (&(x)->val)
49 extern void crhold(cred_t *cr);
50 extern void crfree(cred_t *cr);
51 extern uid_t crgetuid(const cred_t *cr);
52 extern uid_t crgetruid(const cred_t *cr);
53 extern uid_t crgetsuid(const cred_t *cr);
54 extern uid_t crgetfsuid(const cred_t *cr);
55 extern gid_t crgetgid(const cred_t *cr);
56 extern gid_t crgetrgid(const cred_t *cr);
57 extern gid_t crgetsgid(const cred_t *cr);
58 extern gid_t crgetfsgid(const cred_t *cr);
59 extern int crgetngroups(const cred_t *cr);
60 extern gid_t *crgetgroups(const cred_t *cr);
61 extern int groupmember(gid_t gid, const cred_t *cr);
63 #endif /* _SPL_CRED_H */