diff options
Diffstat (limited to 'fs/smb/client/cifsacl.h')
| -rw-r--r-- | fs/smb/client/cifsacl.h | 99 |
1 files changed, 5 insertions, 94 deletions
diff --git a/fs/smb/client/cifsacl.h b/fs/smb/client/cifsacl.h index ccbfc754bd3c..6529478b7f48 100644 --- a/fs/smb/client/cifsacl.h +++ b/fs/smb/client/cifsacl.h @@ -9,8 +9,7 @@ #ifndef _CIFSACL_H #define _CIFSACL_H -#define NUM_AUTHS (6) /* number of authority fields */ -#define SID_MAX_SUB_AUTHORITIES (15) /* max number of sub authority fields */ +#include "../common/smbacl.h" #define READ_BIT 0x4 #define WRITE_BIT 0x2 @@ -23,101 +22,13 @@ #define UBITSHIFT 6 #define GBITSHIFT 3 -#define ACCESS_ALLOWED 0 -#define ACCESS_DENIED 1 - -#define SIDOWNER 1 -#define SIDGROUP 2 - /* * Security Descriptor length containing DACL with 3 ACEs (one each for * owner, group and world). */ -#define DEFAULT_SEC_DESC_LEN (sizeof(struct cifs_ntsd) + \ - sizeof(struct cifs_acl) + \ - (sizeof(struct cifs_ace) * 4)) - -/* - * 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 */ - -struct cifs_ntsd { - __le16 revision; /* revision level */ - __le16 type; - __le32 osidoffset; - __le32 gsidoffset; - __le32 sacloffset; - __le32 dacloffset; -} __attribute__((packed)); - -struct cifs_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 cifs_sid, sans sub_auth array */ -#define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS) - -struct cifs_acl { - __le16 revision; /* revision level */ - __le16 size; - __le32 num_aces; -} __attribute__((packed)); - -/* 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 - -struct cifs_ace { - __u8 type; /* see above and MS-DTYP 2.4.4.1 */ - __u8 flags; - __le16 size; - __le32 access_req; - struct cifs_sid sid; /* ie UUID of user or group who gets these perms */ -} __attribute__((packed)); +#define DEFAULT_SEC_DESC_LEN (sizeof(struct smb_ntsd) + \ + sizeof(struct smb_acl) + \ + (sizeof(struct smb_ace) * 4)) /* * The current SMB3 form of security descriptor is similar to what was used for @@ -194,6 +105,6 @@ struct owner_group_sids { * Minimum security descriptor can be one without any SACL and DACL and can * consist of revision, type, and two sids of minimum size for owner and group */ -#define MIN_SEC_DESC_LEN (sizeof(struct cifs_ntsd) + (2 * MIN_SID_LEN)) +#define MIN_SEC_DESC_LEN (sizeof(struct smb_ntsd) + (2 * MIN_SID_LEN)) #endif /* _CIFSACL_H */ |