CertFindSubjectInCTL

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

CTL_ENTRY* CertFindSubjectInCTL(
    DWORD dwEncodingType,
    DWORD dwSubjectType,
    void* pvSubject,
    CTL_CONTEXT* pCtlContext,
    DWORD dwFlags
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertFindSubjectInCTL(
    dwEncodingType As UInteger,   ' DWORD
    dwSubjectType As UInteger,   ' DWORD
    pvSubject As IntPtr,   ' void*
    pCtlContext As IntPtr,   ' CTL_CONTEXT*
    dwFlags As UInteger   ' DWORD
) As IntPtr
End Function

' dwEncodingType : DWORD
' dwSubjectType : DWORD
' pvSubject : void*
' pCtlContext : CTL_CONTEXT*
' dwFlags : DWORD
Declare PtrSafe Function CertFindSubjectInCTL Lib "crypt32" ( _
    ByVal dwEncodingType As Long, _
    ByVal dwSubjectType As Long, _
    ByVal pvSubject As LongPtr, _
    ByVal pCtlContext As LongPtr, _
    ByVal dwFlags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertFindSubjectInCTL = ctypes.windll.crypt32.CertFindSubjectInCTL
CertFindSubjectInCTL.restype = ctypes.c_void_p
CertFindSubjectInCTL.argtypes = [
    wintypes.DWORD,  # dwEncodingType : DWORD
    wintypes.DWORD,  # dwSubjectType : DWORD
    ctypes.POINTER(None),  # pvSubject : void*
    ctypes.c_void_p,  # pCtlContext : CTL_CONTEXT*
    wintypes.DWORD,  # dwFlags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertFindSubjectInCTL = Fiddle::Function.new(
  lib['CertFindSubjectInCTL'],
  [
    -Fiddle::TYPE_INT,  # dwEncodingType : DWORD
    -Fiddle::TYPE_INT,  # dwSubjectType : DWORD
    Fiddle::TYPE_VOIDP,  # pvSubject : void*
    Fiddle::TYPE_VOIDP,  # pCtlContext : CTL_CONTEXT*
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "crypt32")]
extern "system" {
    fn CertFindSubjectInCTL(
        dwEncodingType: u32,  // DWORD
        dwSubjectType: u32,  // DWORD
        pvSubject: *mut (),  // void*
        pCtlContext: *mut CTL_CONTEXT,  // CTL_CONTEXT*
        dwFlags: u32  // DWORD
    ) -> *mut CTL_ENTRY;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern IntPtr CertFindSubjectInCTL(uint dwEncodingType, uint dwSubjectType, IntPtr pvSubject, IntPtr pCtlContext, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertFindSubjectInCTL' -Namespace Win32 -PassThru
# $api::CertFindSubjectInCTL(dwEncodingType, dwSubjectType, pvSubject, pCtlContext, dwFlags)

#uselib "CRYPT32.dll"
#func global CertFindSubjectInCTL "CertFindSubjectInCTL" sptr, sptr, sptr, sptr, sptr
; CertFindSubjectInCTL dwEncodingType, dwSubjectType, pvSubject, varptr(pCtlContext), dwFlags   ; 戻り値は stat
; dwEncodingType : DWORD -> "sptr"
; dwSubjectType : DWORD -> "sptr"
; pvSubject : void* -> "sptr"
; pCtlContext : CTL_CONTEXT* -> "sptr"
; dwFlags : DWORD -> "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。

#uselib "CRYPT32.dll"
#cfunc global CertFindSubjectInCTL "CertFindSubjectInCTL" int, int, sptr, var, int
; res = CertFindSubjectInCTL(dwEncodingType, dwSubjectType, pvSubject, pCtlContext, dwFlags)
; dwEncodingType : DWORD -> "int"
; dwSubjectType : DWORD -> "int"
; pvSubject : void* -> "sptr"
; pCtlContext : CTL_CONTEXT* -> "var"
; dwFlags : DWORD -> "int"
; ※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。

; CTL_ENTRY* CertFindSubjectInCTL(DWORD dwEncodingType, DWORD dwSubjectType, void* pvSubject, CTL_CONTEXT* pCtlContext, DWORD dwFlags)
#uselib "CRYPT32.dll"
#cfunc global CertFindSubjectInCTL "CertFindSubjectInCTL" int, int, intptr, var, int
; res = CertFindSubjectInCTL(dwEncodingType, dwSubjectType, pvSubject, pCtlContext, dwFlags)
; dwEncodingType : DWORD -> "int"
; dwSubjectType : DWORD -> "int"
; pvSubject : void* -> "intptr"
; pCtlContext : CTL_CONTEXT* -> "var"
; dwFlags : DWORD -> "int"
; ※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")
	procCertFindSubjectInCTL = crypt32.NewProc("CertFindSubjectInCTL")
)

// dwEncodingType (DWORD), dwSubjectType (DWORD), pvSubject (void*), pCtlContext (CTL_CONTEXT*), dwFlags (DWORD)
r1, _, err := procCertFindSubjectInCTL.Call(
	uintptr(dwEncodingType),
	uintptr(dwSubjectType),
	uintptr(pvSubject),
	uintptr(pCtlContext),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CTL_ENTRY*

function CertFindSubjectInCTL(
  dwEncodingType: DWORD;   // DWORD
  dwSubjectType: DWORD;   // DWORD
  pvSubject: Pointer;   // void*
  pCtlContext: Pointer;   // CTL_CONTEXT*
  dwFlags: DWORD   // DWORD
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertFindSubjectInCTL';

result := DllCall("CRYPT32\CertFindSubjectInCTL"
    , "UInt", dwEncodingType   ; DWORD
    , "UInt", dwSubjectType   ; DWORD
    , "Ptr", pvSubject   ; void*
    , "Ptr", pCtlContext   ; CTL_CONTEXT*
    , "UInt", dwFlags   ; DWORD
    , "Ptr")   ; return: CTL_ENTRY*

●CertFindSubjectInCTL(dwEncodingType, dwSubjectType, pvSubject, pCtlContext, dwFlags) = DLL("CRYPT32.dll", "void* CertFindSubjectInCTL(dword, dword, void*, void*, dword)")
# 呼び出し: CertFindSubjectInCTL(dwEncodingType, dwSubjectType, pvSubject, pCtlContext, dwFlags)
# dwEncodingType : DWORD -> "dword"
# dwSubjectType : DWORD -> "dword"
# pvSubject : void* -> "void*"
# pCtlContext : CTL_CONTEXT* -> "void*"
# dwFlags : DWORD -> "dword"
# 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)。