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The KERB_S4U_LOGON structure contains information about a service for user (S4U) logon. This structure is used by the LsaLogonUser function with the Kerberos package.
Syntax
typedef struct _KERB_S4U_LOGON {
KERB_LOGON_SUBMIT_TYPE MessageType;
ULONG Flags;
UNICODE_STRING ClientUpn;
UNICODE_STRING ClientRealm;
} KERB_S4U_LOGON, *PKERB_S4U_LOGON;
Members
MessageType
A value of the KERB_LOGON_SUBMIT_TYPE enumeration that identifies the type of logon being requested. This member must be set to KerbS4ULogon.
Flags
Flags that provide more information about the logon.
| Value | Meaning |
|---|---|
|
Requests the hours that the user has been logged on. |
|
Requests the identity token. |
ClientUpn
A UNICODE_STRING that specifies the user principal name (UPN) of the client. This member cannot be NULL.
The Buffer member of the UNICODE_STRING structure must point to memory that is contiguous to the KERB_S4U_LOGON structure.
ClientRealm
A UNICODE_STRING that specifies the realm of the client, if known. If the realm is not known, this member can be NULL.
The Buffer member of the UNICODE_STRING structure must point to memory that is contiguous to the KERB_S4U_LOGON structure.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | None supported |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Header | ntsecapi.h |