include/sys/cred.h

   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.
   9  *  For details, see <http://github.com/behlendorf/spl/>.
  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
  25 #ifndef _SPL_CRED_H
  26 #define _SPL_CRED_H
  27
  28 #include <linux/module.h>
  29 #include <sys/types.h>
  30 #include <sys/vfs.h>
  31
  32 #ifdef HAVE_CRED_STRUCT
  33
  34 typedef struct cred cred_t;
  35
  36 #define kcred           ((cred_t *)(init_task.cred))
  37 #define CRED()          ((cred_t *)current_cred())
  38
  39 #else
  40
  41 typedef struct task_struct cred_t;
  42
  43 #define kcred           ((cred_t *)&init_task)
  44 #define CRED()          ((cred_t *)current)
  45
  46 #endif /* HAVE_CRED_STRUCT */
  47
  48 extern void crhold(cred_t *cr);
  49 extern void crfree(cred_t *cr);
  50 extern uid_t crgetuid(const cred_t *cr);
  51 extern uid_t crgetruid(const cred_t *cr);
  52 extern uid_t crgetsuid(const cred_t *cr);
  53 extern uid_t crgetfsuid(const cred_t *cr);
  54 extern gid_t crgetgid(const cred_t *cr);
  55 extern gid_t crgetrgid(const cred_t *cr);
  56 extern gid_t crgetsgid(const cred_t *cr);
  57 extern gid_t crgetfsgid(const cred_t *cr);
  58 extern int crgetngroups(const cred_t *cr);
  59 extern gid_t * crgetgroups(const cred_t *cr);
  60 extern int groupmember(gid_t gid, const cred_t *cr);
  61
  62 #endif  /* _SPL_CRED_H */