GetUserObjectSecurity

// USER32.dll
#include <windows.h>

BOOL GetUserObjectSecurity(
    HANDLE hObj,
    DWORD* pSIRequested,
    PSECURITY_DESCRIPTOR pSID,   // optional
    DWORD nLength,
    DWORD* lpnLengthNeeded
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetUserObjectSecurity(
    hObj As IntPtr,   ' HANDLE
    ByRef pSIRequested As UInteger,   ' DWORD*
    pSID As IntPtr,   ' PSECURITY_DESCRIPTOR optional, out
    nLength As UInteger,   ' DWORD
    <Out> ByRef lpnLengthNeeded As UInteger   ' DWORD* out
) As Boolean
End Function

' hObj : HANDLE
' pSIRequested : DWORD*
' pSID : PSECURITY_DESCRIPTOR optional, out
' nLength : DWORD
' lpnLengthNeeded : DWORD* out
Declare PtrSafe Function GetUserObjectSecurity Lib "user32" ( _
    ByVal hObj As LongPtr, _
    ByRef pSIRequested As Long, _
    ByVal pSID As LongPtr, _
    ByVal nLength As Long, _
    ByRef lpnLengthNeeded As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetUserObjectSecurity = ctypes.windll.user32.GetUserObjectSecurity
GetUserObjectSecurity.restype = wintypes.BOOL
GetUserObjectSecurity.argtypes = [
    wintypes.HANDLE,  # hObj : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # pSIRequested : DWORD*
    wintypes.HANDLE,  # pSID : PSECURITY_DESCRIPTOR optional, out
    wintypes.DWORD,  # nLength : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpnLengthNeeded : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
GetUserObjectSecurity = Fiddle::Function.new(
  lib['GetUserObjectSecurity'],
  [
    Fiddle::TYPE_VOIDP,  # hObj : HANDLE
    Fiddle::TYPE_VOIDP,  # pSIRequested : DWORD*
    Fiddle::TYPE_VOIDP,  # pSID : PSECURITY_DESCRIPTOR optional, out
    -Fiddle::TYPE_INT,  # nLength : DWORD
    Fiddle::TYPE_VOIDP,  # lpnLengthNeeded : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn GetUserObjectSecurity(
        hObj: *mut core::ffi::c_void,  // HANDLE
        pSIRequested: *mut u32,  // DWORD*
        pSID: *mut core::ffi::c_void,  // PSECURITY_DESCRIPTOR optional, out
        nLength: u32,  // DWORD
        lpnLengthNeeded: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool GetUserObjectSecurity(IntPtr hObj, ref uint pSIRequested, IntPtr pSID, uint nLength, out uint lpnLengthNeeded);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_GetUserObjectSecurity' -Namespace Win32 -PassThru
# $api::GetUserObjectSecurity(hObj, pSIRequested, pSID, nLength, lpnLengthNeeded)

#uselib "USER32.dll"
#func global GetUserObjectSecurity "GetUserObjectSecurity" sptr, sptr, sptr, sptr, sptr
; GetUserObjectSecurity hObj, varptr(pSIRequested), pSID, nLength, varptr(lpnLengthNeeded)   ; 戻り値は stat
; hObj : HANDLE -> "sptr"
; pSIRequested : DWORD* -> "sptr"
; pSID : PSECURITY_DESCRIPTOR optional, out -> "sptr"
; nLength : DWORD -> "sptr"
; lpnLengthNeeded : DWORD* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "USER32.dll"
#cfunc global GetUserObjectSecurity "GetUserObjectSecurity" sptr, var, sptr, int, var
; res = GetUserObjectSecurity(hObj, pSIRequested, pSID, nLength, lpnLengthNeeded)
; hObj : HANDLE -> "sptr"
; pSIRequested : DWORD* -> "var"
; pSID : PSECURITY_DESCRIPTOR optional, out -> "sptr"
; nLength : DWORD -> "int"
; lpnLengthNeeded : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL GetUserObjectSecurity(HANDLE hObj, DWORD* pSIRequested, PSECURITY_DESCRIPTOR pSID, DWORD nLength, DWORD* lpnLengthNeeded)
#uselib "USER32.dll"
#cfunc global GetUserObjectSecurity "GetUserObjectSecurity" intptr, var, intptr, int, var
; res = GetUserObjectSecurity(hObj, pSIRequested, pSID, nLength, lpnLengthNeeded)
; hObj : HANDLE -> "intptr"
; pSIRequested : DWORD* -> "var"
; pSID : PSECURITY_DESCRIPTOR optional, out -> "intptr"
; nLength : DWORD -> "int"
; lpnLengthNeeded : DWORD* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procGetUserObjectSecurity = user32.NewProc("GetUserObjectSecurity")
)

// hObj (HANDLE), pSIRequested (DWORD*), pSID (PSECURITY_DESCRIPTOR optional, out), nLength (DWORD), lpnLengthNeeded (DWORD* out)
r1, _, err := procGetUserObjectSecurity.Call(
	uintptr(hObj),
	uintptr(pSIRequested),
	uintptr(pSID),
	uintptr(nLength),
	uintptr(lpnLengthNeeded),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function GetUserObjectSecurity(
  hObj: THandle;   // HANDLE
  pSIRequested: Pointer;   // DWORD*
  pSID: THandle;   // PSECURITY_DESCRIPTOR optional, out
  nLength: DWORD;   // DWORD
  lpnLengthNeeded: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'USER32.dll' name 'GetUserObjectSecurity';

result := DllCall("USER32\GetUserObjectSecurity"
    , "Ptr", hObj   ; HANDLE
    , "Ptr", pSIRequested   ; DWORD*
    , "Ptr", pSID   ; PSECURITY_DESCRIPTOR optional, out
    , "UInt", nLength   ; DWORD
    , "Ptr", lpnLengthNeeded   ; DWORD* out
    , "Int")   ; return: BOOL

●GetUserObjectSecurity(hObj, pSIRequested, pSID, nLength, lpnLengthNeeded) = DLL("USER32.dll", "bool GetUserObjectSecurity(void*, void*, void*, dword, void*)")
# 呼び出し: GetUserObjectSecurity(hObj, pSIRequested, pSID, nLength, lpnLengthNeeded)
# hObj : HANDLE -> "void*"
# pSIRequested : DWORD* -> "void*"
# pSID : PSECURITY_DESCRIPTOR optional, out -> "void*"
# nLength : DWORD -> "dword"
# lpnLengthNeeded : DWORD* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。