Win32 API 日本語リファレンス
ホームNetworkManagement.NetManagement › NetAccessGetInfo

NetAccessGetInfo

関数
指定リソースのアクセス許可情報を取得する。
DLLNETAPI32.dll呼出規約winapi対応OSWindows 2000 以降

シグネチャ

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

DWORD NetAccessGetInfo(
    LPCWSTR servername,   // optional
    LPCWSTR resource,
    DWORD level,
    BYTE** bufptr
);

パラメーター

名前方向
servernameLPCWSTRinoptional
resourceLPCWSTRin
levelDWORDin
bufptrBYTE**out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD NetAccessGetInfo(
    LPCWSTR servername,   // optional
    LPCWSTR resource,
    DWORD level,
    BYTE** bufptr
);
[DllImport("NETAPI32.dll", ExactSpelling = true)]
static extern uint NetAccessGetInfo(
    [MarshalAs(UnmanagedType.LPWStr)] string servername,   // LPCWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string resource,   // LPCWSTR
    uint level,   // DWORD
    IntPtr bufptr   // BYTE** out
);
<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetAccessGetInfo(
    <MarshalAs(UnmanagedType.LPWStr)> servername As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> resource As String,   ' LPCWSTR
    level As UInteger,   ' DWORD
    bufptr As IntPtr   ' BYTE** out
) As UInteger
End Function
' servername : LPCWSTR optional
' resource : LPCWSTR
' level : DWORD
' bufptr : BYTE** out
Declare PtrSafe Function NetAccessGetInfo Lib "netapi32" ( _
    ByVal servername As LongPtr, _
    ByVal resource As LongPtr, _
    ByVal level As Long, _
    ByVal bufptr 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

NetAccessGetInfo = ctypes.windll.netapi32.NetAccessGetInfo
NetAccessGetInfo.restype = wintypes.DWORD
NetAccessGetInfo.argtypes = [
    wintypes.LPCWSTR,  # servername : LPCWSTR optional
    wintypes.LPCWSTR,  # resource : LPCWSTR
    wintypes.DWORD,  # level : DWORD
    ctypes.c_void_p,  # bufptr : BYTE** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetAccessGetInfo = Fiddle::Function.new(
  lib['NetAccessGetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # servername : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # resource : LPCWSTR
    -Fiddle::TYPE_INT,  # level : DWORD
    Fiddle::TYPE_VOIDP,  # bufptr : BYTE** out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "netapi32")]
extern "system" {
    fn NetAccessGetInfo(
        servername: *const u16,  // LPCWSTR optional
        resource: *const u16,  // LPCWSTR
        level: u32,  // DWORD
        bufptr: *mut *mut u8  // BYTE** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetAccessGetInfo([MarshalAs(UnmanagedType.LPWStr)] string servername, [MarshalAs(UnmanagedType.LPWStr)] string resource, uint level, IntPtr bufptr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetAccessGetInfo' -Namespace Win32 -PassThru
# $api::NetAccessGetInfo(servername, resource, level, bufptr)
#uselib "NETAPI32.dll"
#func global NetAccessGetInfo "NetAccessGetInfo" sptr, sptr, sptr, sptr
; NetAccessGetInfo servername, resource, level, varptr(bufptr)   ; 戻り値は stat
; servername : LPCWSTR optional -> "sptr"
; resource : LPCWSTR -> "sptr"
; level : DWORD -> "sptr"
; bufptr : BYTE** 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 NetAccessGetInfo "NetAccessGetInfo" wstr, wstr, int, var
; res = NetAccessGetInfo(servername, resource, level, bufptr)
; servername : LPCWSTR optional -> "wstr"
; resource : LPCWSTR -> "wstr"
; level : DWORD -> "int"
; bufptr : BYTE** 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。
出力引数:
; DWORD NetAccessGetInfo(LPCWSTR servername, LPCWSTR resource, DWORD level, BYTE** bufptr)
#uselib "NETAPI32.dll"
#cfunc global NetAccessGetInfo "NetAccessGetInfo" wstr, wstr, int, var
; res = NetAccessGetInfo(servername, resource, level, bufptr)
; servername : LPCWSTR optional -> "wstr"
; resource : LPCWSTR -> "wstr"
; level : DWORD -> "int"
; bufptr : BYTE** 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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetAccessGetInfo = netapi32.NewProc("NetAccessGetInfo")
)

// servername (LPCWSTR optional), resource (LPCWSTR), level (DWORD), bufptr (BYTE** out)
r1, _, err := procNetAccessGetInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(servername))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(resource))),
	uintptr(level),
	uintptr(bufptr),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function NetAccessGetInfo(
  servername: PWideChar;   // LPCWSTR optional
  resource: PWideChar;   // LPCWSTR
  level: DWORD;   // DWORD
  bufptr: Pointer   // BYTE** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetAccessGetInfo';
result := DllCall("NETAPI32\NetAccessGetInfo"
    , "WStr", servername   ; LPCWSTR optional
    , "WStr", resource   ; LPCWSTR
    , "UInt", level   ; DWORD
    , "Ptr", bufptr   ; BYTE** out
    , "UInt")   ; return: DWORD
●NetAccessGetInfo(servername, resource, level, bufptr) = DLL("NETAPI32.dll", "dword NetAccessGetInfo(char*, char*, dword, void*)")
# 呼び出し: NetAccessGetInfo(servername, resource, level, bufptr)
# servername : LPCWSTR optional -> "char*"
# resource : LPCWSTR -> "char*"
# level : DWORD -> "dword"
# bufptr : BYTE** 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)。