// ntifs.h

typedef struct _QUERY_ON_CREATE_SECURITY_INFORMATION {
  ULONG                Reserved;
  ULONG                SecurityDescriptorSize;
  PSECURITY_DESCRIPTOR SecurityDescriptor;
} QUERY_ON_CREATE_SECURITY_INFORMATION, *PQUERY_ON_CREATE_SECURITY_INFORMATION;
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Windows Driver Kit DDI reference (ns-ntifs-query_on_create_security_information)

Description

The QUERY_ON_CREATE_SECURITY_INFORMATION structure is used to write file information when FltRequestSecurityInfoOnCreateCompletion is called in pre-create.

Members

`Reserved`

This is undefined and reserved for future use.

`SecurityDescriptorSize`

Size, in bytes, of the SecurityDescriptor buffer.

`SecurityDescriptor`

Pointer to a buffer that receives a copy of the security descriptor for the specified object. The SECURITY_DESCRIPTOR structure is returned in self-relative format.

Remarks

The system allocates this structure and the file system fills in the requested information, if supported, while it processes a file create. Filter Manager will eventually free the allocated structure.

QUERY_ON_CREATE_SECURITY_INFORMATION - NtDoc