include/os/linux/spl/sys/acl.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_ACL_H
  26 #define _SPL_ACL_H
  27
  28 #include <sys/types.h>
  29
  30 typedef struct ace {
  31         uid_t a_who;
  32         uint32_t a_access_mask;
  33         uint16_t a_flags;
  34         uint16_t a_type;
  35 } ace_t;
  36
  37 typedef struct ace_object {
  38         uid_t           a_who;          /* uid or gid */
  39         uint32_t        a_access_mask;  /* read,write,... */
  40         uint16_t        a_flags;        /* see below */
  41         uint16_t        a_type;         /* allow or deny */
  42         uint8_t         a_obj_type[16]; /* obj type */
  43         uint8_t         a_inherit_obj_type[16]; /* inherit obj */
  44 } ace_object_t;
  45
  46 #define MAX_ACL_ENTRIES                                 1024
  47
  48 #define ACE_READ_DATA                                   0x00000001
  49 #define ACE_LIST_DIRECTORY                              0x00000001
  50 #define ACE_WRITE_DATA                                  0x00000002
  51 #define ACE_ADD_FILE                                    0x00000002
  52 #define ACE_APPEND_DATA                                 0x00000004
  53 #define ACE_ADD_SUBDIRECTORY                            0x00000004
  54 #define ACE_READ_NAMED_ATTRS                            0x00000008
  55 #define ACE_WRITE_NAMED_ATTRS                           0x00000010
  56 #define ACE_EXECUTE                                     0x00000020
  57 #define ACE_DELETE_CHILD                                0x00000040
  58 #define ACE_READ_ATTRIBUTES                             0x00000080
  59 #define ACE_WRITE_ATTRIBUTES                            0x00000100
  60 #define ACE_DELETE                                      0x00010000
  61 #define ACE_READ_ACL                                    0x00020000
  62 #define ACE_WRITE_ACL                                   0x00040000
  63 #define ACE_WRITE_OWNER                                 0x00080000
  64 #define ACE_SYNCHRONIZE                                 0x00100000
  65
  66 #define ACE_FILE_INHERIT_ACE                            0x0001
  67 #define ACE_DIRECTORY_INHERIT_ACE                       0x0002
  68 #define ACE_NO_PROPAGATE_INHERIT_ACE                    0x0004
  69 #define ACE_INHERIT_ONLY_ACE                            0x0008
  70 #define ACE_SUCCESSFUL_ACCESS_ACE_FLAG                  0x0010
  71 #define ACE_FAILED_ACCESS_ACE_FLAG                      0x0020
  72 #define ACE_IDENTIFIER_GROUP                            0x0040
  73 #define ACE_INHERITED_ACE                               0x0080
  74 #define ACE_OWNER                                       0x1000
  75 #define ACE_GROUP                                       0x2000
  76 #define ACE_EVERYONE                                    0x4000
  77
  78 #define ACE_ACCESS_ALLOWED_ACE_TYPE                     0x0000
  79 #define ACE_ACCESS_DENIED_ACE_TYPE                      0x0001
  80 #define ACE_SYSTEM_AUDIT_ACE_TYPE                       0x0002
  81 #define ACE_SYSTEM_ALARM_ACE_TYPE                       0x0003
  82
  83 #define ACL_AUTO_INHERIT                                0x0001
  84 #define ACL_PROTECTED                                   0x0002
  85 #define ACL_DEFAULTED                                   0x0004
  86 #define ACL_FLAGS_ALL   (ACL_AUTO_INHERIT|ACL_PROTECTED|ACL_DEFAULTED)
  87
  88 #define ACE_ACCESS_ALLOWED_COMPOUND_ACE_TYPE            0x04
  89 #define ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE              0x05
  90 #define ACE_ACCESS_DENIED_OBJECT_ACE_TYPE               0x06
  91 #define ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE                0x07
  92 #define ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE                0x08
  93 #define ACE_ACCESS_ALLOWED_CALLBACK_ACE_TYPE            0x09
  94 #define ACE_ACCESS_DENIED_CALLBACK_ACE_TYPE             0x0A
  95 #define ACE_ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE     0x0B
  96 #define ACE_ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE      0x0C
  97 #define ACE_SYSTEM_AUDIT_CALLBACK_ACE_TYPE              0x0D
  98 #define ACE_SYSTEM_ALARM_CALLBACK_ACE_TYPE              0x0E
  99 #define ACE_SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE       0x0F
 100 #define ACE_SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE       0x10
 101
 102 #define ACE_ALL_TYPES   0x001F
 103
 104 #define ACE_TYPE_FLAGS  (ACE_OWNER|ACE_GROUP|ACE_EVERYONE|ACE_IDENTIFIER_GROUP)
 105
 106 /* BEGIN CSTYLED */
 107 #define ACE_ALL_PERMS   (ACE_READ_DATA|ACE_LIST_DIRECTORY|ACE_WRITE_DATA| \
 108      ACE_ADD_FILE|ACE_APPEND_DATA|ACE_ADD_SUBDIRECTORY|ACE_READ_NAMED_ATTRS| \
 109      ACE_WRITE_NAMED_ATTRS|ACE_EXECUTE|ACE_DELETE_CHILD|ACE_READ_ATTRIBUTES| \
 110      ACE_WRITE_ATTRIBUTES|ACE_DELETE|ACE_READ_ACL|ACE_WRITE_ACL| \
 111      ACE_WRITE_OWNER|ACE_SYNCHRONIZE)
 112 /* END CSTYLED */
 113
 114 #define VSA_ACE                                         0x0010
 115 #define VSA_ACECNT                                      0x0020
 116 #define VSA_ACE_ALLTYPES                                0x0040
 117 #define VSA_ACE_ACLFLAGS                                0x0080
 118
 119 #endif /* _SPL_ACL_H */