2.2.1 KERB_SID_AND_ATTRIBUTES

The KERB_SID_AND_ATTRIBUTES structure represents a SID and its attributes for use in authentication. It is sent within the KERB_VALIDATION_INFO (section 2.5) structure and used to include additional information about the group that the SID references.

The format of the KERB_SID_AND_ATTRIBUTES structure is defined as follows:

 typedef struct _KERB_SID_AND_ATTRIBUTES {
   PISID Sid;
   ULONG Attributes;
 } KERB_SID_AND_ATTRIBUTES,
  *PKERB_SID_AND_ATTRIBUTES;

Sid: A pointer to an RPC_SID structure.

Attributes: A set of bit flags that describe attributes of the SID.

Attributes can contain one or more of the following bits.


0


1


2


3


4


5


6


7


8


9

1
0


1


2


3


4


5


6


7


8


9

2
0


1


2


3


4


5


6


7


8


9

3
0


1

0

0

E

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

D

C

B

A

Where the bits are defined as:

Value

Description

A

                

This setting means that the group is mandatory for the user and cannot be disabled. Corresponds to SE_GROUP_MANDATORY. For more information, see [SIDATT].

B

                

This setting means that the group is marked as enabled by default. Corresponds to SE_GROUP_ENABLED_BY_DEFAULT. For more information, see [SIDATT].

C

                 

This setting means that the group is enabled for use. Corresponds to SE_GROUP_ENABLED. For more information, see [SIDATT].

D

                

This setting means that the group can be assigned as an owner of a resource. Corresponds to SE_GROUP_OWNER. For more information, see [SIDATT].

E

                

This setting means that the group is a domain-local or resource group. Corresponds to SE_GROUP_RESOURCE. For more information, see [SIDATT].

All other bits MUST be set to zero and MUST be ignored on receipt.

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