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LookupPrivilegeValueA

関数

特権名からローカル一意識別子LUIDを取得する(ANSI版)。

DLLADVAPI32.dll文字セットANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

BOOL LookupPrivilegeValueA(
    LPCSTR lpSystemName,   // optional
    LPCSTR lpName,
    LUID* lpLuid
);

パラメーター

名前	型	方向
lpSystemName	LPCSTR	inoptional
lpName	LPCSTR	in
lpLuid	LUID*	out

戻り値の型: BOOL

各言語での呼び出し定義

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

BOOL LookupPrivilegeValueA(
    LPCSTR lpSystemName,   // optional
    LPCSTR lpName,
    LUID* lpLuid
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool LookupPrivilegeValueA(
    [MarshalAs(UnmanagedType.LPStr)] string lpSystemName,   // LPCSTR optional
    [MarshalAs(UnmanagedType.LPStr)] string lpName,   // LPCSTR
    IntPtr lpLuid   // LUID* out
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function LookupPrivilegeValueA(
    <MarshalAs(UnmanagedType.LPStr)> lpSystemName As String,   ' LPCSTR optional
    <MarshalAs(UnmanagedType.LPStr)> lpName As String,   ' LPCSTR
    lpLuid As IntPtr   ' LUID* out
) As Boolean
End Function

' lpSystemName : LPCSTR optional
' lpName : LPCSTR
' lpLuid : LUID* out
Declare PtrSafe Function LookupPrivilegeValueA Lib "advapi32" ( _
    ByVal lpSystemName As String, _
    ByVal lpName As String, _
    ByVal lpLuid As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

LookupPrivilegeValueA = ctypes.windll.advapi32.LookupPrivilegeValueA
LookupPrivilegeValueA.restype = wintypes.BOOL
LookupPrivilegeValueA.argtypes = [
    wintypes.LPCSTR,  # lpSystemName : LPCSTR optional
    wintypes.LPCSTR,  # lpName : LPCSTR
    ctypes.c_void_p,  # lpLuid : LUID* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
LookupPrivilegeValueA = Fiddle::Function.new(
  lib['LookupPrivilegeValueA'],
  [
    Fiddle::TYPE_VOIDP,  # lpSystemName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # lpName : LPCSTR
    Fiddle::TYPE_VOIDP,  # lpLuid : LUID* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn LookupPrivilegeValueA(
        lpSystemName: *const u8,  // LPCSTR optional
        lpName: *const u8,  // LPCSTR
        lpLuid: *mut LUID  // LUID* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool LookupPrivilegeValueA([MarshalAs(UnmanagedType.LPStr)] string lpSystemName, [MarshalAs(UnmanagedType.LPStr)] string lpName, IntPtr lpLuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_LookupPrivilegeValueA' -Namespace Win32 -PassThru
# $api::LookupPrivilegeValueA(lpSystemName, lpName, lpLuid)

#uselib "ADVAPI32.dll"
#func global LookupPrivilegeValueA "LookupPrivilegeValueA" sptr, sptr, sptr
; LookupPrivilegeValueA lpSystemName, lpName, varptr(lpLuid)   ; 戻り値は stat
; lpSystemName : LPCSTR optional -> "sptr"
; lpName : LPCSTR -> "sptr"
; lpLuid : LUID* 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 LookupPrivilegeValueA "LookupPrivilegeValueA" str, str, var
; res = LookupPrivilegeValueA(lpSystemName, lpName, lpLuid)
; lpSystemName : LPCSTR optional -> "str"
; lpName : LPCSTR -> "str"
; lpLuid : LUID* 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。#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeValueA "LookupPrivilegeValueA" str, str, sptr
; res = LookupPrivilegeValueA(lpSystemName, lpName, varptr(lpLuid))
; lpSystemName : LPCSTR optional -> "str"
; lpName : LPCSTR -> "str"
; lpLuid : LUID* out -> "sptr"
; ※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 LookupPrivilegeValueA(LPCSTR lpSystemName, LPCSTR lpName, LUID* lpLuid)
#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeValueA "LookupPrivilegeValueA" str, str, var
; res = LookupPrivilegeValueA(lpSystemName, lpName, lpLuid)
; lpSystemName : LPCSTR optional -> "str"
; lpName : LPCSTR -> "str"
; lpLuid : LUID* 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 LookupPrivilegeValueA(LPCSTR lpSystemName, LPCSTR lpName, LUID* lpLuid)
#uselib "ADVAPI32.dll"
#cfunc global LookupPrivilegeValueA "LookupPrivilegeValueA" str, str, intptr
; res = LookupPrivilegeValueA(lpSystemName, lpName, varptr(lpLuid))
; lpSystemName : LPCSTR optional -> "str"
; lpName : LPCSTR -> "str"
; lpLuid : LUID* out -> "intptr"
; ※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")
	procLookupPrivilegeValueA = advapi32.NewProc("LookupPrivilegeValueA")
)

// lpSystemName (LPCSTR optional), lpName (LPCSTR), lpLuid (LUID* out)
r1, _, err := procLookupPrivilegeValueA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpSystemName))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpName))),
	uintptr(lpLuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function LookupPrivilegeValueA(
  lpSystemName: PAnsiChar;   // LPCSTR optional
  lpName: PAnsiChar;   // LPCSTR
  lpLuid: Pointer   // LUID* out
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'LookupPrivilegeValueA';

result := DllCall("ADVAPI32\LookupPrivilegeValueA"
    , "AStr", lpSystemName   ; LPCSTR optional
    , "AStr", lpName   ; LPCSTR
    , "Ptr", lpLuid   ; LUID* out
    , "Int")   ; return: BOOL

●LookupPrivilegeValueA(lpSystemName, lpName, lpLuid) = DLL("ADVAPI32.dll", "bool LookupPrivilegeValueA(char*, char*, void*)")
# 呼び出し: LookupPrivilegeValueA(lpSystemName, lpName, lpLuid)
# lpSystemName : LPCSTR optional -> "char*"
# lpName : LPCSTR -> "char*"
# lpLuid : LUID* 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)。