include/sys/sid.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://zfsonlinux.org/>.
  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_SID_H
  26 #define _SPL_SID_H
  27
  28 typedef struct ksiddomain {
  29         char            *kd_name;
  30 } ksiddomain_t;
  31
  32 typedef enum ksid_index {
  33         KSID_USER,
  34         KSID_GROUP,
  35         KSID_OWNER,
  36         KSID_COUNT
  37 } ksid_index_t;
  38
  39 typedef int ksid_t;
  40
  41 static inline ksiddomain_t *
  42 ksid_lookupdomain(const char *dom)
  43 {
  44         ksiddomain_t *kd;
  45         int len = strlen(dom);
  46
  47         kd = kmem_zalloc(sizeof(ksiddomain_t), KM_SLEEP);
  48         kd->kd_name = kmem_zalloc(len + 1, KM_SLEEP);
  49         memcpy(kd->kd_name, dom, len);
  50
  51         return (kd);
  52 }
  53
  54 static inline void
  55 ksiddomain_rele(ksiddomain_t *ksid)
  56 {
  57         kmem_free(ksid->kd_name, strlen(ksid->kd_name) + 1);
  58         kmem_free(ksid, sizeof(ksiddomain_t));
  59 }
  60
  61 #endif /* _SPL_SID_H */