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/*
Unix SMB/CIFS implementation.
Portable SMB ACL interface
Copyright (C) Jeremy Allison 2000
Copyright (C) Andrew Bartlett 2012
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Allow the smb_acl interface to be pushed into an NDR blob and
* read/written in python.
*
* The exact layout of these stuctures is CRITICAL, as a SHA-256 hash is
* taken over these after they are pushed as NDR blobs, and stored in an
* xattr for ACL verification.
*/
[
pointer_default(unique)
]
interface smb_acl
{
const int SMB_ACL_READ = 4;
const int SMB_ACL_WRITE = 2;
const int SMB_ACL_EXECUTE = 1;
/* Types of ACLs. */
typedef enum {
SMB_ACL_TAG_INVALID = 0,
SMB_ACL_USER = 1,
SMB_ACL_USER_OBJ = 2,
SMB_ACL_GROUP = 3,
SMB_ACL_GROUP_OBJ = 4,
SMB_ACL_OTHER = 5,
SMB_ACL_MASK = 6
} smb_acl_tag_t;
typedef struct {
uid_t uid;
} smb_acl_user;
typedef struct {
gid_t gid;
} smb_acl_group;
typedef [switch_type(uint16)] union {
[case (SMB_ACL_USER)] smb_acl_user user;
[case (SMB_ACL_USER_OBJ)];
[case (SMB_ACL_GROUP)] smb_acl_group group;
[case (SMB_ACL_GROUP_OBJ)];
[case (SMB_ACL_OTHER)];
[case (SMB_ACL_MASK)];
} smb_acl_entry_info;
typedef struct {
smb_acl_tag_t a_type;
[switch_is(a_type)] smb_acl_entry_info info;
mode_t a_perm;
} smb_acl_entry;
[public] typedef struct {
int count;
[value(0)] int next;
[size_is(count)] smb_acl_entry acl[*];
} smb_acl_t;
const int SMB_ACL_FIRST_ENTRY = 0;
const int SMB_ACL_NEXT_ENTRY = 1;
const int SMB_ACL_TYPE_ACCESS = 0;
const int SMB_ACL_TYPE_DEFAULT = 1;
/* A wrapper of all the information required to reproduce an
* ACL, so we can hash it for the acl_xattr and acl_tdb
* modules */
[public] typedef struct {
smb_acl_t *access_acl;
smb_acl_t *default_acl; /* NULL on files */
uid_t owner;
gid_t group;
mode_t mode;
} smb_acl_wrapper;
}
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