mirror of
https://github.com/torvalds/linux.git
synced 2024-10-23 05:30:55 +00:00
b51174da74
In order to maintain the code more easily, move duplicate definitions to new common header file. Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
|
|
/*
|
|
* Copyright (c) International Business Machines Corp., 2007
|
|
* Author(s): Steve French (sfrench@us.ibm.com)
|
|
* Modified by Namjae Jeon (linkinjeon@kernel.org)
|
|
*/
|
|
|
|
#ifndef _COMMON_SMBACL_H
|
|
#define _COMMON_SMBACL_H
|
|
|
|
#define NUM_AUTHS (6) /* number of authority fields */
|
|
#define SID_MAX_SUB_AUTHORITIES (15) /* max number of sub authority fields */
|
|
|
|
/* ACE types - see MS-DTYP 2.4.4.1 */
|
|
#define ACCESS_ALLOWED_ACE_TYPE 0x00
|
|
#define ACCESS_DENIED_ACE_TYPE 0x01
|
|
#define SYSTEM_AUDIT_ACE_TYPE 0x02
|
|
#define SYSTEM_ALARM_ACE_TYPE 0x03
|
|
#define ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
|
|
#define ACCESS_ALLOWED_OBJECT_ACE_TYPE 0x05
|
|
#define ACCESS_DENIED_OBJECT_ACE_TYPE 0x06
|
|
#define SYSTEM_AUDIT_OBJECT_ACE_TYPE 0x07
|
|
#define SYSTEM_ALARM_OBJECT_ACE_TYPE 0x08
|
|
#define ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
|
|
#define ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A
|
|
#define ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
|
|
#define ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE 0x0C
|
|
#define SYSTEM_AUDIT_CALLBACK_ACE_TYPE 0x0D
|
|
#define SYSTEM_ALARM_CALLBACK_ACE_TYPE 0x0E /* Reserved */
|
|
#define SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
|
|
#define SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 /* reserved */
|
|
#define SYSTEM_MANDATORY_LABEL_ACE_TYPE 0x11
|
|
#define SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE 0x12
|
|
#define SYSTEM_SCOPED_POLICY_ID_ACE_TYPE 0x13
|
|
|
|
/* ACE flags */
|
|
#define OBJECT_INHERIT_ACE 0x01
|
|
#define CONTAINER_INHERIT_ACE 0x02
|
|
#define NO_PROPAGATE_INHERIT_ACE 0x04
|
|
#define INHERIT_ONLY_ACE 0x08
|
|
#define INHERITED_ACE 0x10
|
|
#define SUCCESSFUL_ACCESS_ACE_FLAG 0x40
|
|
#define FAILED_ACCESS_ACE_FLAG 0x80
|
|
|
|
/*
|
|
* Maximum size of a string representation of a SID:
|
|
*
|
|
* The fields are unsigned values in decimal. So:
|
|
*
|
|
* u8: max 3 bytes in decimal
|
|
* u32: max 10 bytes in decimal
|
|
*
|
|
* "S-" + 3 bytes for version field + 15 for authority field + NULL terminator
|
|
*
|
|
* For authority field, max is when all 6 values are non-zero and it must be
|
|
* represented in hex. So "-0x" + 12 hex digits.
|
|
*
|
|
* Add 11 bytes for each subauthority field (10 bytes each + 1 for '-')
|
|
*/
|
|
#define SID_STRING_BASE_SIZE (2 + 3 + 15 + 1)
|
|
#define SID_STRING_SUBAUTH_SIZE (11) /* size of a single subauth string */
|
|
|
|
#define DOMAIN_USER_RID_LE cpu_to_le32(513)
|
|
|
|
/*
|
|
* ACE types - see MS-DTYP 2.4.4.1
|
|
*/
|
|
enum {
|
|
ACCESS_ALLOWED,
|
|
ACCESS_DENIED,
|
|
};
|
|
|
|
/*
|
|
* Security ID types
|
|
*/
|
|
enum {
|
|
SIDOWNER = 1,
|
|
SIDGROUP,
|
|
SIDCREATOR_OWNER,
|
|
SIDCREATOR_GROUP,
|
|
SIDUNIX_USER,
|
|
SIDUNIX_GROUP,
|
|
SIDNFS_USER,
|
|
SIDNFS_GROUP,
|
|
SIDNFS_MODE,
|
|
};
|
|
|
|
struct smb_ntsd {
|
|
__le16 revision; /* revision level */
|
|
__le16 type;
|
|
__le32 osidoffset;
|
|
__le32 gsidoffset;
|
|
__le32 sacloffset;
|
|
__le32 dacloffset;
|
|
} __attribute__((packed));
|
|
|
|
struct smb_sid {
|
|
__u8 revision; /* revision level */
|
|
__u8 num_subauth;
|
|
__u8 authority[NUM_AUTHS];
|
|
__le32 sub_auth[SID_MAX_SUB_AUTHORITIES]; /* sub_auth[num_subauth] */
|
|
} __attribute__((packed));
|
|
|
|
/* size of a struct smb_sid, sans sub_auth array */
|
|
#define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS)
|
|
|
|
struct smb_acl {
|
|
__le16 revision; /* revision level */
|
|
__le16 size;
|
|
__le32 num_aces;
|
|
} __attribute__((packed));
|
|
|
|
struct smb_ace {
|
|
__u8 type; /* see above and MS-DTYP 2.4.4.1 */
|
|
__u8 flags;
|
|
__le16 size;
|
|
__le32 access_req;
|
|
struct smb_sid sid; /* ie UUID of user or group who gets these perms */
|
|
} __attribute__((packed));
|
|
|
|
#endif /* _COMMON_SMBACL_H */
|