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ImpersonateSecurityContext

関数

セキュリティコンテキストのクライアントになりすます。

DLLSECUR32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

HRESULT ImpersonateSecurityContext(
    SecHandle* phContext
);

パラメーター

名前	型	方向
phContext	SecHandle*	in

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT ImpersonateSecurityContext(
    SecHandle* phContext
);

[DllImport("SECUR32.dll", ExactSpelling = true)]
static extern int ImpersonateSecurityContext(
    IntPtr phContext   // SecHandle*
);

<DllImport("SECUR32.dll", ExactSpelling:=True)>
Public Shared Function ImpersonateSecurityContext(
    phContext As IntPtr   ' SecHandle*
) As Integer
End Function

' phContext : SecHandle*
Declare PtrSafe Function ImpersonateSecurityContext Lib "secur32" ( _
    ByVal phContext 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

ImpersonateSecurityContext = ctypes.windll.secur32.ImpersonateSecurityContext
ImpersonateSecurityContext.restype = ctypes.c_int
ImpersonateSecurityContext.argtypes = [
    ctypes.c_void_p,  # phContext : SecHandle*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
ImpersonateSecurityContext = Fiddle::Function.new(
  lib['ImpersonateSecurityContext'],
  [
    Fiddle::TYPE_VOIDP,  # phContext : SecHandle*
  ],
  Fiddle::TYPE_INT)

#[link(name = "secur32")]
extern "system" {
    fn ImpersonateSecurityContext(
        phContext: *mut SecHandle  // SecHandle*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll")]
public static extern int ImpersonateSecurityContext(IntPtr phContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_ImpersonateSecurityContext' -Namespace Win32 -PassThru
# $api::ImpersonateSecurityContext(phContext)

#uselib "SECUR32.dll"
#func global ImpersonateSecurityContext "ImpersonateSecurityContext" sptr
; ImpersonateSecurityContext varptr(phContext)   ; 戻り値は stat
; phContext : SecHandle* -> "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 ImpersonateSecurityContext "ImpersonateSecurityContext" var
; res = ImpersonateSecurityContext(phContext)
; phContext : SecHandle* -> "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 ImpersonateSecurityContext "ImpersonateSecurityContext" sptr
; res = ImpersonateSecurityContext(varptr(phContext))
; phContext : SecHandle* -> "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:

; HRESULT ImpersonateSecurityContext(SecHandle* phContext)
#uselib "SECUR32.dll"
#cfunc global ImpersonateSecurityContext "ImpersonateSecurityContext" var
; res = ImpersonateSecurityContext(phContext)
; phContext : SecHandle* -> "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。; HRESULT ImpersonateSecurityContext(SecHandle* phContext)
#uselib "SECUR32.dll"
#cfunc global ImpersonateSecurityContext "ImpersonateSecurityContext" intptr
; res = ImpersonateSecurityContext(varptr(phContext))
; phContext : SecHandle* -> "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")
	procImpersonateSecurityContext = secur32.NewProc("ImpersonateSecurityContext")
)

// phContext (SecHandle*)
r1, _, err := procImpersonateSecurityContext.Call(
	uintptr(phContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ImpersonateSecurityContext(
  phContext: Pointer   // SecHandle*
): Integer; stdcall;
  external 'SECUR32.dll' name 'ImpersonateSecurityContext';

result := DllCall("SECUR32\ImpersonateSecurityContext"
    , "Ptr", phContext   ; SecHandle*
    , "Int")   ; return: HRESULT

●ImpersonateSecurityContext(phContext) = DLL("SECUR32.dll", "int ImpersonateSecurityContext(void*)")
# 呼び出し: ImpersonateSecurityContext(phContext)
# phContext : SecHandle* -> "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)。