Win32 API 日本語リファレンス
ホームSecurity.Cryptography › CertGetCRLContextProperty

CertGetCRLContextProperty

関数
CRLコンテキストの指定プロパティを取得する。
DLLCRYPT32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// CRYPT32.dll
#include <windows.h>

BOOL CertGetCRLContextProperty(
    CRL_CONTEXT* pCrlContext,
    DWORD dwPropId,
    void* pvData,   // optional
    DWORD* pcbData
);

パラメーター

名前方向
pCrlContextCRL_CONTEXT*in
dwPropIdDWORDin
pvDatavoid*outoptional
pcbDataDWORD*inout

戻り値の型: BOOL

各言語での呼び出し定義

// CRYPT32.dll
#include <windows.h>

BOOL CertGetCRLContextProperty(
    CRL_CONTEXT* pCrlContext,
    DWORD dwPropId,
    void* pvData,   // optional
    DWORD* pcbData
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CertGetCRLContextProperty(
    IntPtr pCrlContext,   // CRL_CONTEXT*
    uint dwPropId,   // DWORD
    IntPtr pvData,   // void* optional, out
    ref uint pcbData   // DWORD* in/out
);
<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertGetCRLContextProperty(
    pCrlContext As IntPtr,   ' CRL_CONTEXT*
    dwPropId As UInteger,   ' DWORD
    pvData As IntPtr,   ' void* optional, out
    ByRef pcbData As UInteger   ' DWORD* in/out
) As Boolean
End Function
' pCrlContext : CRL_CONTEXT*
' dwPropId : DWORD
' pvData : void* optional, out
' pcbData : DWORD* in/out
Declare PtrSafe Function CertGetCRLContextProperty Lib "crypt32" ( _
    ByVal pCrlContext As LongPtr, _
    ByVal dwPropId As Long, _
    ByVal pvData As LongPtr, _
    ByRef pcbData 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

CertGetCRLContextProperty = ctypes.windll.crypt32.CertGetCRLContextProperty
CertGetCRLContextProperty.restype = wintypes.BOOL
CertGetCRLContextProperty.argtypes = [
    ctypes.c_void_p,  # pCrlContext : CRL_CONTEXT*
    wintypes.DWORD,  # dwPropId : DWORD
    ctypes.POINTER(None),  # pvData : void* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbData : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertGetCRLContextProperty = Fiddle::Function.new(
  lib['CertGetCRLContextProperty'],
  [
    Fiddle::TYPE_VOIDP,  # pCrlContext : CRL_CONTEXT*
    -Fiddle::TYPE_INT,  # dwPropId : DWORD
    Fiddle::TYPE_VOIDP,  # pvData : void* optional, out
    Fiddle::TYPE_VOIDP,  # pcbData : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
#[link(name = "crypt32")]
extern "system" {
    fn CertGetCRLContextProperty(
        pCrlContext: *mut CRL_CONTEXT,  // CRL_CONTEXT*
        dwPropId: u32,  // DWORD
        pvData: *mut (),  // void* optional, out
        pcbData: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CertGetCRLContextProperty(IntPtr pCrlContext, uint dwPropId, IntPtr pvData, ref uint pcbData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetCRLContextProperty' -Namespace Win32 -PassThru
# $api::CertGetCRLContextProperty(pCrlContext, dwPropId, pvData, pcbData)
#uselib "CRYPT32.dll"
#func global CertGetCRLContextProperty "CertGetCRLContextProperty" sptr, sptr, sptr, sptr
; CertGetCRLContextProperty varptr(pCrlContext), dwPropId, pvData, varptr(pcbData)   ; 戻り値は stat
; pCrlContext : CRL_CONTEXT* -> "sptr"
; dwPropId : DWORD -> "sptr"
; pvData : void* optional, out -> "sptr"
; pcbData : DWORD* 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 "CRYPT32.dll"
#cfunc global CertGetCRLContextProperty "CertGetCRLContextProperty" var, int, sptr, var
; res = CertGetCRLContextProperty(pCrlContext, dwPropId, pvData, pcbData)
; pCrlContext : CRL_CONTEXT* -> "var"
; dwPropId : DWORD -> "int"
; pvData : void* optional, out -> "sptr"
; pcbData : DWORD* 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。
出力引数:
; BOOL CertGetCRLContextProperty(CRL_CONTEXT* pCrlContext, DWORD dwPropId, void* pvData, DWORD* pcbData)
#uselib "CRYPT32.dll"
#cfunc global CertGetCRLContextProperty "CertGetCRLContextProperty" var, int, intptr, var
; res = CertGetCRLContextProperty(pCrlContext, dwPropId, pvData, pcbData)
; pCrlContext : CRL_CONTEXT* -> "var"
; dwPropId : DWORD -> "int"
; pvData : void* optional, out -> "intptr"
; pcbData : DWORD* 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertGetCRLContextProperty = crypt32.NewProc("CertGetCRLContextProperty")
)

// pCrlContext (CRL_CONTEXT*), dwPropId (DWORD), pvData (void* optional, out), pcbData (DWORD* in/out)
r1, _, err := procCertGetCRLContextProperty.Call(
	uintptr(pCrlContext),
	uintptr(dwPropId),
	uintptr(pvData),
	uintptr(pcbData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function CertGetCRLContextProperty(
  pCrlContext: Pointer;   // CRL_CONTEXT*
  dwPropId: DWORD;   // DWORD
  pvData: Pointer;   // void* optional, out
  pcbData: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertGetCRLContextProperty';
result := DllCall("CRYPT32\CertGetCRLContextProperty"
    , "Ptr", pCrlContext   ; CRL_CONTEXT*
    , "UInt", dwPropId   ; DWORD
    , "Ptr", pvData   ; void* optional, out
    , "Ptr", pcbData   ; DWORD* in/out
    , "Int")   ; return: BOOL
●CertGetCRLContextProperty(pCrlContext, dwPropId, pvData, pcbData) = DLL("CRYPT32.dll", "bool CertGetCRLContextProperty(void*, dword, void*, void*)")
# 呼び出し: CertGetCRLContextProperty(pCrlContext, dwPropId, pvData, pcbData)
# pCrlContext : CRL_CONTEXT* -> "void*"
# dwPropId : DWORD -> "dword"
# pvData : void* optional, out -> "void*"
# pcbData : DWORD* 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)。