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NetWkstaUserEnum

関数

ワークステーションにログオン中の全ユーザー情報を列挙する。

DLLNETAPI32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

// NETAPI32.dll
#include <windows.h>

DWORD NetWkstaUserEnum(
    LPWSTR servername,   // optional
    DWORD level,
    BYTE** bufptr,   // optional
    DWORD prefmaxlen,
    DWORD* entriesread,   // optional
    DWORD* totalentries,
    DWORD* resumehandle   // optional
);

パラメーター

名前	型	方向
servername	LPWSTR	inoptional
level	DWORD	in
bufptr	BYTE**	outoptional
prefmaxlen	DWORD	in
entriesread	DWORD*	outoptional
totalentries	DWORD*	out
resumehandle	DWORD*	inoutoptional

戻り値の型: DWORD

各言語での呼び出し定義

// NETAPI32.dll
#include <windows.h>

DWORD NetWkstaUserEnum(
    LPWSTR servername,   // optional
    DWORD level,
    BYTE** bufptr,   // optional
    DWORD prefmaxlen,
    DWORD* entriesread,   // optional
    DWORD* totalentries,
    DWORD* resumehandle   // optional
);

[DllImport("NETAPI32.dll", ExactSpelling = true)]
static extern uint NetWkstaUserEnum(
    [MarshalAs(UnmanagedType.LPWStr)] string servername,   // LPWSTR optional
    uint level,   // DWORD
    IntPtr bufptr,   // BYTE** optional, out
    uint prefmaxlen,   // DWORD
    IntPtr entriesread,   // DWORD* optional, out
    out uint totalentries,   // DWORD* out
    IntPtr resumehandle   // DWORD* optional, in/out
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetWkstaUserEnum(
    <MarshalAs(UnmanagedType.LPWStr)> servername As String,   ' LPWSTR optional
    level As UInteger,   ' DWORD
    bufptr As IntPtr,   ' BYTE** optional, out
    prefmaxlen As UInteger,   ' DWORD
    entriesread As IntPtr,   ' DWORD* optional, out
    <Out> ByRef totalentries As UInteger,   ' DWORD* out
    resumehandle As IntPtr   ' DWORD* optional, in/out
) As UInteger
End Function

' servername : LPWSTR optional
' level : DWORD
' bufptr : BYTE** optional, out
' prefmaxlen : DWORD
' entriesread : DWORD* optional, out
' totalentries : DWORD* out
' resumehandle : DWORD* optional, in/out
Declare PtrSafe Function NetWkstaUserEnum Lib "netapi32" ( _
    ByVal servername As LongPtr, _
    ByVal level As Long, _
    ByVal bufptr As LongPtr, _
    ByVal prefmaxlen As Long, _
    ByVal entriesread As LongPtr, _
    ByRef totalentries As Long, _
    ByVal resumehandle 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

NetWkstaUserEnum = ctypes.windll.netapi32.NetWkstaUserEnum
NetWkstaUserEnum.restype = wintypes.DWORD
NetWkstaUserEnum.argtypes = [
    wintypes.LPCWSTR,  # servername : LPWSTR optional
    wintypes.DWORD,  # level : DWORD
    ctypes.c_void_p,  # bufptr : BYTE** optional, out
    wintypes.DWORD,  # prefmaxlen : DWORD
    ctypes.POINTER(wintypes.DWORD),  # entriesread : DWORD* optional, out
    ctypes.POINTER(wintypes.DWORD),  # totalentries : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # resumehandle : DWORD* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetWkstaUserEnum = Fiddle::Function.new(
  lib['NetWkstaUserEnum'],
  [
    Fiddle::TYPE_VOIDP,  # servername : LPWSTR optional
    -Fiddle::TYPE_INT,  # level : DWORD
    Fiddle::TYPE_VOIDP,  # bufptr : BYTE** optional, out
    -Fiddle::TYPE_INT,  # prefmaxlen : DWORD
    Fiddle::TYPE_VOIDP,  # entriesread : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # totalentries : DWORD* out
    Fiddle::TYPE_VOIDP,  # resumehandle : DWORD* optional, in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetWkstaUserEnum(
        servername: *mut u16,  // LPWSTR optional
        level: u32,  // DWORD
        bufptr: *mut *mut u8,  // BYTE** optional, out
        prefmaxlen: u32,  // DWORD
        entriesread: *mut u32,  // DWORD* optional, out
        totalentries: *mut u32,  // DWORD* out
        resumehandle: *mut u32  // DWORD* optional, in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetWkstaUserEnum([MarshalAs(UnmanagedType.LPWStr)] string servername, uint level, IntPtr bufptr, uint prefmaxlen, IntPtr entriesread, out uint totalentries, IntPtr resumehandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetWkstaUserEnum' -Namespace Win32 -PassThru
# $api::NetWkstaUserEnum(servername, level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle)

#uselib "NETAPI32.dll"
#func global NetWkstaUserEnum "NetWkstaUserEnum" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; NetWkstaUserEnum servername, level, varptr(bufptr), prefmaxlen, varptr(entriesread), varptr(totalentries), varptr(resumehandle)   ; 戻り値は stat
; servername : LPWSTR optional -> "sptr"
; level : DWORD -> "sptr"
; bufptr : BYTE** optional, out -> "sptr"
; prefmaxlen : DWORD -> "sptr"
; entriesread : DWORD* optional, out -> "sptr"
; totalentries : DWORD* out -> "sptr"
; resumehandle : DWORD* optional, in/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 "NETAPI32.dll"
#cfunc global NetWkstaUserEnum "NetWkstaUserEnum" wstr, int, var, int, var, var, var
; res = NetWkstaUserEnum(servername, level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle)
; servername : LPWSTR optional -> "wstr"
; level : DWORD -> "int"
; bufptr : BYTE** optional, out -> "var"
; prefmaxlen : DWORD -> "int"
; entriesread : DWORD* optional, out -> "var"
; totalentries : DWORD* out -> "var"
; resumehandle : DWORD* optional, in/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 "NETAPI32.dll"
#cfunc global NetWkstaUserEnum "NetWkstaUserEnum" wstr, int, sptr, int, sptr, sptr, sptr
; res = NetWkstaUserEnum(servername, level, varptr(bufptr), prefmaxlen, varptr(entriesread), varptr(totalentries), varptr(resumehandle))
; servername : LPWSTR optional -> "wstr"
; level : DWORD -> "int"
; bufptr : BYTE** optional, out -> "sptr"
; prefmaxlen : DWORD -> "int"
; entriesread : DWORD* optional, out -> "sptr"
; totalentries : DWORD* out -> "sptr"
; resumehandle : DWORD* optional, in/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:

; DWORD NetWkstaUserEnum(LPWSTR servername, DWORD level, BYTE** bufptr, DWORD prefmaxlen, DWORD* entriesread, DWORD* totalentries, DWORD* resumehandle)
#uselib "NETAPI32.dll"
#cfunc global NetWkstaUserEnum "NetWkstaUserEnum" wstr, int, var, int, var, var, var
; res = NetWkstaUserEnum(servername, level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle)
; servername : LPWSTR optional -> "wstr"
; level : DWORD -> "int"
; bufptr : BYTE** optional, out -> "var"
; prefmaxlen : DWORD -> "int"
; entriesread : DWORD* optional, out -> "var"
; totalentries : DWORD* out -> "var"
; resumehandle : DWORD* optional, in/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。; DWORD NetWkstaUserEnum(LPWSTR servername, DWORD level, BYTE** bufptr, DWORD prefmaxlen, DWORD* entriesread, DWORD* totalentries, DWORD* resumehandle)
#uselib "NETAPI32.dll"
#cfunc global NetWkstaUserEnum "NetWkstaUserEnum" wstr, int, intptr, int, intptr, intptr, intptr
; res = NetWkstaUserEnum(servername, level, varptr(bufptr), prefmaxlen, varptr(entriesread), varptr(totalentries), varptr(resumehandle))
; servername : LPWSTR optional -> "wstr"
; level : DWORD -> "int"
; bufptr : BYTE** optional, out -> "intptr"
; prefmaxlen : DWORD -> "int"
; entriesread : DWORD* optional, out -> "intptr"
; totalentries : DWORD* out -> "intptr"
; resumehandle : DWORD* optional, in/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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetWkstaUserEnum = netapi32.NewProc("NetWkstaUserEnum")
)

// servername (LPWSTR optional), level (DWORD), bufptr (BYTE** optional, out), prefmaxlen (DWORD), entriesread (DWORD* optional, out), totalentries (DWORD* out), resumehandle (DWORD* optional, in/out)
r1, _, err := procNetWkstaUserEnum.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(servername))),
	uintptr(level),
	uintptr(bufptr),
	uintptr(prefmaxlen),
	uintptr(entriesread),
	uintptr(totalentries),
	uintptr(resumehandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetWkstaUserEnum(
  servername: PWideChar;   // LPWSTR optional
  level: DWORD;   // DWORD
  bufptr: Pointer;   // BYTE** optional, out
  prefmaxlen: DWORD;   // DWORD
  entriesread: Pointer;   // DWORD* optional, out
  totalentries: Pointer;   // DWORD* out
  resumehandle: Pointer   // DWORD* optional, in/out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetWkstaUserEnum';

result := DllCall("NETAPI32\NetWkstaUserEnum"
    , "WStr", servername   ; LPWSTR optional
    , "UInt", level   ; DWORD
    , "Ptr", bufptr   ; BYTE** optional, out
    , "UInt", prefmaxlen   ; DWORD
    , "Ptr", entriesread   ; DWORD* optional, out
    , "Ptr", totalentries   ; DWORD* out
    , "Ptr", resumehandle   ; DWORD* optional, in/out
    , "UInt")   ; return: DWORD

●NetWkstaUserEnum(servername, level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle) = DLL("NETAPI32.dll", "dword NetWkstaUserEnum(char*, dword, void*, dword, void*, void*, void*)")
# 呼び出し: NetWkstaUserEnum(servername, level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle)
# servername : LPWSTR optional -> "char*"
# level : DWORD -> "dword"
# bufptr : BYTE** optional, out -> "void*"
# prefmaxlen : DWORD -> "dword"
# entriesread : DWORD* optional, out -> "void*"
# totalentries : DWORD* out -> "void*"
# resumehandle : DWORD* optional, in/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)。