WTHelperGetProvCertFromChain

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

CRYPT_PROVIDER_CERT* WTHelperGetProvCertFromChain(
    CRYPT_PROVIDER_SGNR* pSgnr,
    DWORD idxCert
);

<DllImport("WINTRUST.dll", ExactSpelling:=True)>
Public Shared Function WTHelperGetProvCertFromChain(
    pSgnr As IntPtr,   ' CRYPT_PROVIDER_SGNR* in/out
    idxCert As UInteger   ' DWORD
) As IntPtr
End Function

' pSgnr : CRYPT_PROVIDER_SGNR* in/out
' idxCert : DWORD
Declare PtrSafe Function WTHelperGetProvCertFromChain Lib "wintrust" ( _
    ByVal pSgnr As LongPtr, _
    ByVal idxCert 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

WTHelperGetProvCertFromChain = ctypes.windll.wintrust.WTHelperGetProvCertFromChain
WTHelperGetProvCertFromChain.restype = ctypes.c_void_p
WTHelperGetProvCertFromChain.argtypes = [
    ctypes.c_void_p,  # pSgnr : CRYPT_PROVIDER_SGNR* in/out
    wintypes.DWORD,  # idxCert : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINTRUST.dll')
WTHelperGetProvCertFromChain = Fiddle::Function.new(
  lib['WTHelperGetProvCertFromChain'],
  [
    Fiddle::TYPE_VOIDP,  # pSgnr : CRYPT_PROVIDER_SGNR* in/out
    -Fiddle::TYPE_INT,  # idxCert : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "wintrust")]
extern "system" {
    fn WTHelperGetProvCertFromChain(
        pSgnr: *mut CRYPT_PROVIDER_SGNR,  // CRYPT_PROVIDER_SGNR* in/out
        idxCert: u32  // DWORD
    ) -> *mut CRYPT_PROVIDER_CERT;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINTRUST.dll")]
public static extern IntPtr WTHelperGetProvCertFromChain(IntPtr pSgnr, uint idxCert);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINTRUST_WTHelperGetProvCertFromChain' -Namespace Win32 -PassThru
# $api::WTHelperGetProvCertFromChain(pSgnr, idxCert)

#uselib "WINTRUST.dll"
#func global WTHelperGetProvCertFromChain "WTHelperGetProvCertFromChain" sptr, sptr
; WTHelperGetProvCertFromChain varptr(pSgnr), idxCert   ; 戻り値は stat
; pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "sptr"
; idxCert : 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。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wintrust = windows.NewLazySystemDLL("WINTRUST.dll")
	procWTHelperGetProvCertFromChain = wintrust.NewProc("WTHelperGetProvCertFromChain")
)

// pSgnr (CRYPT_PROVIDER_SGNR* in/out), idxCert (DWORD)
r1, _, err := procWTHelperGetProvCertFromChain.Call(
	uintptr(pSgnr),
	uintptr(idxCert),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CRYPT_PROVIDER_CERT*

function WTHelperGetProvCertFromChain(
  pSgnr: Pointer;   // CRYPT_PROVIDER_SGNR* in/out
  idxCert: DWORD   // DWORD
): Pointer; stdcall;
  external 'WINTRUST.dll' name 'WTHelperGetProvCertFromChain';

result := DllCall("WINTRUST\WTHelperGetProvCertFromChain"
    , "Ptr", pSgnr   ; CRYPT_PROVIDER_SGNR* in/out
    , "UInt", idxCert   ; DWORD
    , "Ptr")   ; return: CRYPT_PROVIDER_CERT*

●WTHelperGetProvCertFromChain(pSgnr, idxCert) = DLL("WINTRUST.dll", "void* WTHelperGetProvCertFromChain(void*, dword)")
# 呼び出し: WTHelperGetProvCertFromChain(pSgnr, idxCert)
# pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "void*"
# idxCert : 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)。

const std = @import("std");

extern "wintrust" fn WTHelperGetProvCertFromChain(
    pSgnr: [*c]CRYPT_PROVIDER_SGNR, // CRYPT_PROVIDER_SGNR* in/out
    idxCert: u32 // DWORD
) callconv(std.os.windows.WINAPI) [*c]CRYPT_PROVIDER_CERT;

proc WTHelperGetProvCertFromChain(
    pSgnr: ptr CRYPT_PROVIDER_SGNR,  # CRYPT_PROVIDER_SGNR* in/out
    idxCert: uint32  # DWORD
): ptr CRYPT_PROVIDER_CERT {.importc: "WTHelperGetProvCertFromChain", stdcall, dynlib: "WINTRUST.dll".}

pragma(lib, "wintrust");
extern(Windows)
CRYPT_PROVIDER_CERT* WTHelperGetProvCertFromChain(
    CRYPT_PROVIDER_SGNR* pSgnr,   // CRYPT_PROVIDER_SGNR* in/out
    uint idxCert   // DWORD
);

ccall((:WTHelperGetProvCertFromChain, "WINTRUST.dll"), stdcall, Ptr{CRYPT_PROVIDER_CERT},
      (Ptr{CRYPT_PROVIDER_SGNR}, UInt32),
      pSgnr, idxCert)
# pSgnr : CRYPT_PROVIDER_SGNR* in/out -> Ptr{CRYPT_PROVIDER_SGNR}
# idxCert : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* WTHelperGetProvCertFromChain(
    void* pSgnr,
    uint32_t idxCert);
]]
local wintrust = ffi.load("wintrust")
-- wintrust.WTHelperGetProvCertFromChain(pSgnr, idxCert)
-- pSgnr : CRYPT_PROVIDER_SGNR* in/out
-- idxCert : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('WINTRUST.dll');
const WTHelperGetProvCertFromChain = lib.func('__stdcall', 'WTHelperGetProvCertFromChain', 'void *', ['void *', 'uint32_t']);
// WTHelperGetProvCertFromChain(pSgnr, idxCert)
// pSgnr : CRYPT_PROVIDER_SGNR* in/out -> 'void *'
// idxCert : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("WINTRUST.dll", {
  WTHelperGetProvCertFromChain: { parameters: ["pointer", "u32"], result: "pointer" },
});
// lib.symbols.WTHelperGetProvCertFromChain(pSgnr, idxCert)
// pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "pointer"
// idxCert : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void* WTHelperGetProvCertFromChain(
    void* pSgnr,
    uint32_t idxCert);
C, "WINTRUST.dll");
// $ffi->WTHelperGetProvCertFromChain(pSgnr, idxCert);
// pSgnr : CRYPT_PROVIDER_SGNR* in/out
// idxCert : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Wintrust extends StdCallLibrary {
    Wintrust INSTANCE = Native.load("wintrust", Wintrust.class);
    Pointer WTHelperGetProvCertFromChain(
        Pointer pSgnr,   // CRYPT_PROVIDER_SGNR* in/out
        int idxCert   // DWORD
    );
}

@[Link("wintrust")]
lib LibWINTRUST
  fun WTHelperGetProvCertFromChain = WTHelperGetProvCertFromChain(
    pSgnr : CRYPT_PROVIDER_SGNR*,   # CRYPT_PROVIDER_SGNR* in/out
    idxCert : UInt32   # DWORD
  ) : CRYPT_PROVIDER_CERT*
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WTHelperGetProvCertFromChainNative = Pointer<Void> Function(Pointer<Void>, Uint32);
typedef WTHelperGetProvCertFromChainDart = Pointer<Void> Function(Pointer<Void>, int);
final WTHelperGetProvCertFromChain = DynamicLibrary.open('WINTRUST.dll')
    .lookupFunction<WTHelperGetProvCertFromChainNative, WTHelperGetProvCertFromChainDart>('WTHelperGetProvCertFromChain');
// pSgnr : CRYPT_PROVIDER_SGNR* in/out -> Pointer<Void>
// idxCert : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WTHelperGetProvCertFromChain(
  pSgnr: Pointer;   // CRYPT_PROVIDER_SGNR* in/out
  idxCert: DWORD   // DWORD
): Pointer; stdcall;
  external 'WINTRUST.dll' name 'WTHelperGetProvCertFromChain';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WTHelperGetProvCertFromChain"
  c_WTHelperGetProvCertFromChain :: Ptr () -> Word32 -> IO (Ptr ())
-- pSgnr : CRYPT_PROVIDER_SGNR* in/out -> Ptr ()
-- idxCert : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let wthelpergetprovcertfromchain =
  foreign "WTHelperGetProvCertFromChain"
    ((ptr void) @-> uint32_t @-> returning (ptr void))
(* pSgnr : CRYPT_PROVIDER_SGNR* in/out -> (ptr void) *)
(* idxCert : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library wintrust (t "WINTRUST.dll"))
(cffi:use-foreign-library wintrust)

(cffi:defcfun ("WTHelperGetProvCertFromChain" wthelper-get-prov-cert-from-chain :convention :stdcall) :pointer
  (p-sgnr :pointer)   ; CRYPT_PROVIDER_SGNR* in/out
  (idx-cert :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WTHelperGetProvCertFromChain = Win32::API::More->new('WINTRUST',
    'LPVOID WTHelperGetProvCertFromChain(LPVOID pSgnr, DWORD idxCert)');
# my $ret = $WTHelperGetProvCertFromChain->Call($pSgnr, $idxCert);
# pSgnr : CRYPT_PROVIDER_SGNR* in/out -> LPVOID
# idxCert : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。