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LsaEnumerateLogonSessions

関数

システム上の全ログオンセッションのLUID一覧を列挙する。

DLLSECUR32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// SECUR32.dll
#include <windows.h>

NTSTATUS LsaEnumerateLogonSessions(
    DWORD* LogonSessionCount,
    LUID** LogonSessionList
);

パラメーター

名前	型	方向
LogonSessionCount	DWORD*	out
LogonSessionList	LUID**	out

戻り値の型: NTSTATUS

各言語での呼び出し定義

// SECUR32.dll
#include <windows.h>

NTSTATUS LsaEnumerateLogonSessions(
    DWORD* LogonSessionCount,
    LUID** LogonSessionList
);

[DllImport("SECUR32.dll", ExactSpelling = true)]
static extern int LsaEnumerateLogonSessions(
    out uint LogonSessionCount,   // DWORD* out
    IntPtr LogonSessionList   // LUID** out
);

<DllImport("SECUR32.dll", ExactSpelling:=True)>
Public Shared Function LsaEnumerateLogonSessions(
    <Out> ByRef LogonSessionCount As UInteger,   ' DWORD* out
    LogonSessionList As IntPtr   ' LUID** out
) As Integer
End Function

' LogonSessionCount : DWORD* out
' LogonSessionList : LUID** out
Declare PtrSafe Function LsaEnumerateLogonSessions Lib "secur32" ( _
    ByRef LogonSessionCount As Long, _
    ByVal LogonSessionList 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

LsaEnumerateLogonSessions = ctypes.windll.secur32.LsaEnumerateLogonSessions
LsaEnumerateLogonSessions.restype = ctypes.c_int
LsaEnumerateLogonSessions.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # LogonSessionCount : DWORD* out
    ctypes.c_void_p,  # LogonSessionList : LUID** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
LsaEnumerateLogonSessions = Fiddle::Function.new(
  lib['LsaEnumerateLogonSessions'],
  [
    Fiddle::TYPE_VOIDP,  # LogonSessionCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # LogonSessionList : LUID** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "secur32")]
extern "system" {
    fn LsaEnumerateLogonSessions(
        LogonSessionCount: *mut u32,  // DWORD* out
        LogonSessionList: *mut *mut LUID  // LUID** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll")]
public static extern int LsaEnumerateLogonSessions(out uint LogonSessionCount, IntPtr LogonSessionList);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_LsaEnumerateLogonSessions' -Namespace Win32 -PassThru
# $api::LsaEnumerateLogonSessions(LogonSessionCount, LogonSessionList)

#uselib "SECUR32.dll"
#func global LsaEnumerateLogonSessions "LsaEnumerateLogonSessions" sptr, sptr
; LsaEnumerateLogonSessions varptr(LogonSessionCount), varptr(LogonSessionList)   ; 戻り値は stat
; LogonSessionCount : DWORD* out -> "sptr"
; LogonSessionList : 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 "SECUR32.dll"
#cfunc global LsaEnumerateLogonSessions "LsaEnumerateLogonSessions" var, var
; res = LsaEnumerateLogonSessions(LogonSessionCount, LogonSessionList)
; LogonSessionCount : DWORD* out -> "var"
; LogonSessionList : 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 "SECUR32.dll"
#cfunc global LsaEnumerateLogonSessions "LsaEnumerateLogonSessions" sptr, sptr
; res = LsaEnumerateLogonSessions(varptr(LogonSessionCount), varptr(LogonSessionList))
; LogonSessionCount : DWORD* out -> "sptr"
; LogonSessionList : 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:

; NTSTATUS LsaEnumerateLogonSessions(DWORD* LogonSessionCount, LUID** LogonSessionList)
#uselib "SECUR32.dll"
#cfunc global LsaEnumerateLogonSessions "LsaEnumerateLogonSessions" var, var
; res = LsaEnumerateLogonSessions(LogonSessionCount, LogonSessionList)
; LogonSessionCount : DWORD* out -> "var"
; LogonSessionList : 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。; NTSTATUS LsaEnumerateLogonSessions(DWORD* LogonSessionCount, LUID** LogonSessionList)
#uselib "SECUR32.dll"
#cfunc global LsaEnumerateLogonSessions "LsaEnumerateLogonSessions" intptr, intptr
; res = LsaEnumerateLogonSessions(varptr(LogonSessionCount), varptr(LogonSessionList))
; LogonSessionCount : DWORD* out -> "intptr"
; LogonSessionList : 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 (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procLsaEnumerateLogonSessions = secur32.NewProc("LsaEnumerateLogonSessions")
)

// LogonSessionCount (DWORD* out), LogonSessionList (LUID** out)
r1, _, err := procLsaEnumerateLogonSessions.Call(
	uintptr(LogonSessionCount),
	uintptr(LogonSessionList),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function LsaEnumerateLogonSessions(
  LogonSessionCount: Pointer;   // DWORD* out
  LogonSessionList: Pointer   // LUID** out
): Integer; stdcall;
  external 'SECUR32.dll' name 'LsaEnumerateLogonSessions';

result := DllCall("SECUR32\LsaEnumerateLogonSessions"
    , "Ptr", LogonSessionCount   ; DWORD* out
    , "Ptr", LogonSessionList   ; LUID** out
    , "Int")   ; return: NTSTATUS

●LsaEnumerateLogonSessions(LogonSessionCount, LogonSessionList) = DLL("SECUR32.dll", "int LsaEnumerateLogonSessions(void*, void*)")
# 呼び出し: LsaEnumerateLogonSessions(LogonSessionCount, LogonSessionList)
# LogonSessionCount : DWORD* out -> "void*"
# LogonSessionList : 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)。