Win32 API 日本語リファレンス
ホームStorage.DistributedFileSystem › NetDfsGetSecurity

NetDfsGetSecurity

関数
指定DFSエントリのセキュリティ記述子を取得する。
DLLNETAPI32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD NetDfsGetSecurity(
    LPWSTR DfsEntryPath,
    DWORD SecurityInformation,
    PSECURITY_DESCRIPTOR* ppSecurityDescriptor,
    DWORD* lpcbSecurityDescriptor
);

パラメーター

名前方向
DfsEntryPathLPWSTRin
SecurityInformationDWORDin
ppSecurityDescriptorPSECURITY_DESCRIPTOR*out
lpcbSecurityDescriptorDWORD*out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD NetDfsGetSecurity(
    LPWSTR DfsEntryPath,
    DWORD SecurityInformation,
    PSECURITY_DESCRIPTOR* ppSecurityDescriptor,
    DWORD* lpcbSecurityDescriptor
);
[DllImport("NETAPI32.dll", ExactSpelling = true)]
static extern uint NetDfsGetSecurity(
    [MarshalAs(UnmanagedType.LPWStr)] string DfsEntryPath,   // LPWSTR
    uint SecurityInformation,   // DWORD
    IntPtr ppSecurityDescriptor,   // PSECURITY_DESCRIPTOR* out
    out uint lpcbSecurityDescriptor   // DWORD* out
);
<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetDfsGetSecurity(
    <MarshalAs(UnmanagedType.LPWStr)> DfsEntryPath As String,   ' LPWSTR
    SecurityInformation As UInteger,   ' DWORD
    ppSecurityDescriptor As IntPtr,   ' PSECURITY_DESCRIPTOR* out
    <Out> ByRef lpcbSecurityDescriptor As UInteger   ' DWORD* out
) As UInteger
End Function
' DfsEntryPath : LPWSTR
' SecurityInformation : DWORD
' ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out
' lpcbSecurityDescriptor : DWORD* out
Declare PtrSafe Function NetDfsGetSecurity Lib "netapi32" ( _
    ByVal DfsEntryPath As LongPtr, _
    ByVal SecurityInformation As Long, _
    ByVal ppSecurityDescriptor As LongPtr, _
    ByRef lpcbSecurityDescriptor 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

NetDfsGetSecurity = ctypes.windll.netapi32.NetDfsGetSecurity
NetDfsGetSecurity.restype = wintypes.DWORD
NetDfsGetSecurity.argtypes = [
    wintypes.LPCWSTR,  # DfsEntryPath : LPWSTR
    wintypes.DWORD,  # SecurityInformation : DWORD
    ctypes.c_void_p,  # ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out
    ctypes.POINTER(wintypes.DWORD),  # lpcbSecurityDescriptor : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetDfsGetSecurity = Fiddle::Function.new(
  lib['NetDfsGetSecurity'],
  [
    Fiddle::TYPE_VOIDP,  # DfsEntryPath : LPWSTR
    -Fiddle::TYPE_INT,  # SecurityInformation : DWORD
    Fiddle::TYPE_VOIDP,  # ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out
    Fiddle::TYPE_VOIDP,  # lpcbSecurityDescriptor : DWORD* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "netapi32")]
extern "system" {
    fn NetDfsGetSecurity(
        DfsEntryPath: *mut u16,  // LPWSTR
        SecurityInformation: u32,  // DWORD
        ppSecurityDescriptor: *mut *mut core::ffi::c_void,  // PSECURITY_DESCRIPTOR* out
        lpcbSecurityDescriptor: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetDfsGetSecurity([MarshalAs(UnmanagedType.LPWStr)] string DfsEntryPath, uint SecurityInformation, IntPtr ppSecurityDescriptor, out uint lpcbSecurityDescriptor);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetDfsGetSecurity' -Namespace Win32 -PassThru
# $api::NetDfsGetSecurity(DfsEntryPath, SecurityInformation, ppSecurityDescriptor, lpcbSecurityDescriptor)
#uselib "NETAPI32.dll"
#func global NetDfsGetSecurity "NetDfsGetSecurity" sptr, sptr, sptr, sptr
; NetDfsGetSecurity DfsEntryPath, SecurityInformation, ppSecurityDescriptor, varptr(lpcbSecurityDescriptor)   ; 戻り値は stat
; DfsEntryPath : LPWSTR -> "sptr"
; SecurityInformation : DWORD -> "sptr"
; ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out -> "sptr"
; lpcbSecurityDescriptor : DWORD* 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 NetDfsGetSecurity "NetDfsGetSecurity" wstr, int, sptr, var
; res = NetDfsGetSecurity(DfsEntryPath, SecurityInformation, ppSecurityDescriptor, lpcbSecurityDescriptor)
; DfsEntryPath : LPWSTR -> "wstr"
; SecurityInformation : DWORD -> "int"
; ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out -> "sptr"
; lpcbSecurityDescriptor : DWORD* 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 NetDfsGetSecurity(LPWSTR DfsEntryPath, DWORD SecurityInformation, PSECURITY_DESCRIPTOR* ppSecurityDescriptor, DWORD* lpcbSecurityDescriptor)
#uselib "NETAPI32.dll"
#cfunc global NetDfsGetSecurity "NetDfsGetSecurity" wstr, int, intptr, var
; res = NetDfsGetSecurity(DfsEntryPath, SecurityInformation, ppSecurityDescriptor, lpcbSecurityDescriptor)
; DfsEntryPath : LPWSTR -> "wstr"
; SecurityInformation : DWORD -> "int"
; ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out -> "intptr"
; lpcbSecurityDescriptor : DWORD* 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")
	procNetDfsGetSecurity = netapi32.NewProc("NetDfsGetSecurity")
)

// DfsEntryPath (LPWSTR), SecurityInformation (DWORD), ppSecurityDescriptor (PSECURITY_DESCRIPTOR* out), lpcbSecurityDescriptor (DWORD* out)
r1, _, err := procNetDfsGetSecurity.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(DfsEntryPath))),
	uintptr(SecurityInformation),
	uintptr(ppSecurityDescriptor),
	uintptr(lpcbSecurityDescriptor),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function NetDfsGetSecurity(
  DfsEntryPath: PWideChar;   // LPWSTR
  SecurityInformation: DWORD;   // DWORD
  ppSecurityDescriptor: Pointer;   // PSECURITY_DESCRIPTOR* out
  lpcbSecurityDescriptor: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetDfsGetSecurity';
result := DllCall("NETAPI32\NetDfsGetSecurity"
    , "WStr", DfsEntryPath   ; LPWSTR
    , "UInt", SecurityInformation   ; DWORD
    , "Ptr", ppSecurityDescriptor   ; PSECURITY_DESCRIPTOR* out
    , "Ptr", lpcbSecurityDescriptor   ; DWORD* out
    , "UInt")   ; return: DWORD
●NetDfsGetSecurity(DfsEntryPath, SecurityInformation, ppSecurityDescriptor, lpcbSecurityDescriptor) = DLL("NETAPI32.dll", "dword NetDfsGetSecurity(char*, dword, void*, void*)")
# 呼び出し: NetDfsGetSecurity(DfsEntryPath, SecurityInformation, ppSecurityDescriptor, lpcbSecurityDescriptor)
# DfsEntryPath : LPWSTR -> "char*"
# SecurityInformation : DWORD -> "dword"
# ppSecurityDescriptor : PSECURITY_DESCRIPTOR* out -> "void*"
# lpcbSecurityDescriptor : DWORD* 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)。