projects / mirror_spl-debian.git / blame
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|---|---|---|
| 716154c5 BB |
1 | /*****************************************************************************\ |
| 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>. | |
| 6 | * UCRL-CODE-235197 | |
| 7 | * | |
| 8 | * This file is part of the SPL, Solaris Porting Layer. | |
| 3d6af2dd | 9 | * For details, see <http://zfsonlinux.org/>. |
| 716154c5 BB |
10 | * |
| 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. | |
| 15 | * | |
| 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 | |
| 19 | * for more details. | |
| 20 | * | |
| 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/>. | |
| 23 | \*****************************************************************************/ | |
| 24 | ||
| 09b414e8 | 25 | #ifndef _SPL_CRED_H |
| 26 | #define _SPL_CRED_H | |
| f1ca4da6 | 27 | |
| f1b59d26 | 28 | #include <linux/module.h> |
| 9490c148 | 29 | #include <sys/types.h> |
| 2bdb28fb | 30 | #include <sys/vfs.h> |
| f1ca4da6 | 31 | |
| ec7d53e9 | 32 | typedef struct cred cred_t; |
| 3b3ba48f | 33 | |
| 10946b02 AX |
34 | #define kcred ((cred_t *)(init_task.cred)) |
| 35 | #define CRED() ((cred_t *)current_cred()) | |
| 06dea103 | 36 | |
| ac9cc135 AX |
37 | /* Linux 4.9 API change, GROUP_AT was removed */ |
| 38 | #ifndef GROUP_AT | |
| 39 | #define GROUP_AT(gi, i) ((gi)->gid[i]) | |
| 40 | #endif | |
| 41 | ||
| 80093b6f AX |
42 | #ifdef HAVE_KUIDGID_T |
| 43 | ||
| 10946b02 AX |
44 | /* |
| 45 | * Linux 3.8+ uses typedefs to redefine uid_t and gid_t. We have to rename the | |
| 46 | * typedefs to recover the original types. We then can use them provided that | |
| 47 | * we are careful about translating from k{g,u}id_t to the original versions | |
| 48 | * and vice versa. | |
| 49 | */ | |
| 50 | #define uid_t xuid_t | |
| 51 | #define gid_t xgid_t | |
| 52 | #include <linux/uidgid.h> | |
| 53 | #undef uid_t | |
| 54 | #undef gid_t | |
| 55 | ||
| 56 | #define KUID_TO_SUID(x) (__kuid_val(x)) | |
| 57 | #define KGID_TO_SGID(x) (__kgid_val(x)) | |
| 58 | #define SUID_TO_KUID(x) (KUIDT_INIT(x)) | |
| 59 | #define SGID_TO_KGID(x) (KGIDT_INIT(x)) | |
| 60 | #define KGIDP_TO_SGIDP(x) (&(x)->val) | |
| 80093b6f AX |
61 | |
| 62 | #else /* HAVE_KUIDGID_T */ | |
| 63 | ||
| 10946b02 AX |
64 | #define KUID_TO_SUID(x) (x) |
| 65 | #define KGID_TO_SGID(x) (x) | |
| 66 | #define SUID_TO_KUID(x) (x) | |
| 67 | #define SGID_TO_KGID(x) (x) | |
| 68 | #define KGIDP_TO_SGIDP(x) (x) | |
| 80093b6f AX |
69 | |
| 70 | #endif /* HAVE_KUIDGID_T */ | |
| 71 | ||
| ec7d53e9 BB |
72 | extern void crhold(cred_t *cr); |
| 73 | extern void crfree(cred_t *cr); | |
| 74 | extern uid_t crgetuid(const cred_t *cr); | |
| 75 | extern uid_t crgetruid(const cred_t *cr); | |
| 76 | extern uid_t crgetsuid(const cred_t *cr); | |
| 734fcac7 | 77 | extern uid_t crgetfsuid(const cred_t *cr); |
| ec7d53e9 BB |
78 | extern gid_t crgetgid(const cred_t *cr); |
| 79 | extern gid_t crgetrgid(const cred_t *cr); | |
| 80 | extern gid_t crgetsgid(const cred_t *cr); | |
| 734fcac7 | 81 | extern gid_t crgetfsgid(const cred_t *cr); |
| ec7d53e9 BB |
82 | extern int crgetngroups(const cred_t *cr); |
| 83 | extern gid_t * crgetgroups(const cred_t *cr); | |
| 84 | extern int groupmember(gid_t gid, const cred_t *cr); | |
| 06dea103 | 85 | |
| 09b414e8 | 86 | #endif /* _SPL_CRED_H */ |