PrivilegeCheck

関数

トークンが必要な特権を有効に持つかどうかを検査する。

DLLADVAPI32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// ADVAPI32.dll
#include <windows.h>

BOOL PrivilegeCheck(
    HANDLE ClientToken,
    PRIVILEGE_SET* RequiredPrivileges,
    BOOL* pfResult
);

パラメーター

名前	型	方向
ClientToken	HANDLE	in
RequiredPrivileges	PRIVILEGE_SET*	inout
pfResult	BOOL*	out

戻り値の型: BOOL

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

BOOL PrivilegeCheck(
    HANDLE ClientToken,
    PRIVILEGE_SET* RequiredPrivileges,
    BOOL* pfResult
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool PrivilegeCheck(
    IntPtr ClientToken,   // HANDLE
    IntPtr RequiredPrivileges,   // PRIVILEGE_SET* in/out
    out int pfResult   // BOOL* out
);

<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function PrivilegeCheck(
    ClientToken As IntPtr,   ' HANDLE
    RequiredPrivileges As IntPtr,   ' PRIVILEGE_SET* in/out
    <Out> ByRef pfResult As Integer   ' BOOL* out
) As Boolean
End Function

' ClientToken : HANDLE
' RequiredPrivileges : PRIVILEGE_SET* in/out
' pfResult : BOOL* out
Declare PtrSafe Function PrivilegeCheck Lib "advapi32" ( _
    ByVal ClientToken As LongPtr, _
    ByVal RequiredPrivileges As LongPtr, _
    ByRef pfResult 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

PrivilegeCheck = ctypes.windll.advapi32.PrivilegeCheck
PrivilegeCheck.restype = wintypes.BOOL
PrivilegeCheck.argtypes = [
    wintypes.HANDLE,  # ClientToken : HANDLE
    ctypes.c_void_p,  # RequiredPrivileges : PRIVILEGE_SET* in/out
    ctypes.c_void_p,  # pfResult : BOOL* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
PrivilegeCheck = Fiddle::Function.new(
  lib['PrivilegeCheck'],
  [
    Fiddle::TYPE_VOIDP,  # ClientToken : HANDLE
    Fiddle::TYPE_VOIDP,  # RequiredPrivileges : PRIVILEGE_SET* in/out
    Fiddle::TYPE_VOIDP,  # pfResult : BOOL* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn PrivilegeCheck(
        ClientToken: *mut core::ffi::c_void,  // HANDLE
        RequiredPrivileges: *mut PRIVILEGE_SET,  // PRIVILEGE_SET* in/out
        pfResult: *mut i32  // BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool PrivilegeCheck(IntPtr ClientToken, IntPtr RequiredPrivileges, out int pfResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_PrivilegeCheck' -Namespace Win32 -PassThru
# $api::PrivilegeCheck(ClientToken, RequiredPrivileges, pfResult)

#uselib "ADVAPI32.dll"
#func global PrivilegeCheck "PrivilegeCheck" sptr, sptr, sptr
; PrivilegeCheck ClientToken, varptr(RequiredPrivileges), pfResult   ; 戻り値は stat
; ClientToken : HANDLE -> "sptr"
; RequiredPrivileges : PRIVILEGE_SET* in/out -> "sptr"
; pfResult : BOOL* 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。

出力引数:

#uselib "ADVAPI32.dll"
#cfunc global PrivilegeCheck "PrivilegeCheck" sptr, var, int
; res = PrivilegeCheck(ClientToken, RequiredPrivileges, pfResult)
; ClientToken : HANDLE -> "sptr"
; RequiredPrivileges : PRIVILEGE_SET* in/out -> "var"
; pfResult : BOOL* out -> "int"
; ※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。#uselib "ADVAPI32.dll"
#cfunc global PrivilegeCheck "PrivilegeCheck" sptr, sptr, int
; res = PrivilegeCheck(ClientToken, varptr(RequiredPrivileges), pfResult)
; ClientToken : HANDLE -> "sptr"
; RequiredPrivileges : PRIVILEGE_SET* in/out -> "sptr"
; pfResult : BOOL* out -> "int"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL PrivilegeCheck(HANDLE ClientToken, PRIVILEGE_SET* RequiredPrivileges, BOOL* pfResult)
#uselib "ADVAPI32.dll"
#cfunc global PrivilegeCheck "PrivilegeCheck" intptr, var, int
; res = PrivilegeCheck(ClientToken, RequiredPrivileges, pfResult)
; ClientToken : HANDLE -> "intptr"
; RequiredPrivileges : PRIVILEGE_SET* in/out -> "var"
; pfResult : BOOL* out -> "int"
; ※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 PrivilegeCheck(HANDLE ClientToken, PRIVILEGE_SET* RequiredPrivileges, BOOL* pfResult)
#uselib "ADVAPI32.dll"
#cfunc global PrivilegeCheck "PrivilegeCheck" intptr, intptr, int
; res = PrivilegeCheck(ClientToken, varptr(RequiredPrivileges), pfResult)
; ClientToken : HANDLE -> "intptr"
; RequiredPrivileges : PRIVILEGE_SET* in/out -> "intptr"
; pfResult : BOOL* out -> "int"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procPrivilegeCheck = advapi32.NewProc("PrivilegeCheck")
)

// ClientToken (HANDLE), RequiredPrivileges (PRIVILEGE_SET* in/out), pfResult (BOOL* out)
r1, _, err := procPrivilegeCheck.Call(
	uintptr(ClientToken),
	uintptr(RequiredPrivileges),
	uintptr(pfResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function PrivilegeCheck(
  ClientToken: THandle;   // HANDLE
  RequiredPrivileges: Pointer;   // PRIVILEGE_SET* in/out
  pfResult: Pointer   // BOOL* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'PrivilegeCheck';

result := DllCall("ADVAPI32\PrivilegeCheck"
    , "Ptr", ClientToken   ; HANDLE
    , "Ptr", RequiredPrivileges   ; PRIVILEGE_SET* in/out
    , "Ptr", pfResult   ; BOOL* out
    , "Int")   ; return: BOOL

●PrivilegeCheck(ClientToken, RequiredPrivileges, pfResult) = DLL("ADVAPI32.dll", "bool PrivilegeCheck(void*, void*, void*)")
# 呼び出し: PrivilegeCheck(ClientToken, RequiredPrivileges, pfResult)
# ClientToken : HANDLE -> "void*"
# RequiredPrivileges : PRIVILEGE_SET* in/out -> "void*"
# pfResult : BOOL* 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)。