RtlCreateSecurityDescriptor function (wdm.h)

Article
02/25/2022

The RtlCreateSecurityDescriptor routine initializes a new absolute-format security descriptor. On return, the security descriptor is initialized with no system ACL, no discretionary ACL, no owner, no primary group, and all control flags set to zero.

Syntax

NTSYSAPI NTSTATUS RtlCreateSecurityDescriptor(
  [out] PSECURITY_DESCRIPTOR SecurityDescriptor,
  [in]  ULONG                Revision
);

Parameters

[out] SecurityDescriptor

Pointer to the buffer for the SECURITY_DESCRIPTOR to be initialized.

[in] Revision

Specifies the revision level to assign to the security descriptor. Set this parameter to SECURITY_DESCRIPTOR_REVISION.

Return value

RtlCreateSecurityDescriptor can return one of the following.

Return code	Description
STATUS_SUCCESS	The call completed successfully.
STATUS_UNKNOWN_REVISION	The caller specified an unsupported value for Revision.

Remarks

A successful call to this routine initializes a security descriptor. The fields in this descriptor are set to initial values that indicate that there are no security constraints.

Requirements

Requirement	Value
Minimum supported client	Available in Windows 2000 and later versions of Windows.
Target Platform	Universal
Header	wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library	NtosKrnl.lib
DLL	NtosKrnl.exe (kernel mode); Ntdll.dll (user mode)
IRQL	PASSIVE_LEVEL