CryptGetAsyncParam

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

BOOL CryptGetAsyncParam(
    HCRYPTASYNC hAsync,
    LPSTR pszParamOid,
    void** ppvParam,   // optional
    PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* ppfnFree   // optional
);

<DllImport("CRYPT32.dll", ExactSpelling:=True)>
Public Shared Function CryptGetAsyncParam(
    hAsync As IntPtr,   ' HCRYPTASYNC
    <MarshalAs(UnmanagedType.LPStr)> pszParamOid As String,   ' LPSTR
    ppvParam As IntPtr,   ' void** optional, out
    ppfnFree As IntPtr   ' PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hAsync : HCRYPTASYNC
' pszParamOid : LPSTR
' ppvParam : void** optional, out
' ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
Declare PtrSafe Function CryptGetAsyncParam Lib "crypt32" ( _
    ByVal hAsync As LongPtr, _
    ByVal pszParamOid As String, _
    ByVal ppvParam As LongPtr, _
    ByVal ppfnFree 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

CryptGetAsyncParam = ctypes.windll.crypt32.CryptGetAsyncParam
CryptGetAsyncParam.restype = wintypes.BOOL
CryptGetAsyncParam.argtypes = [
    ctypes.c_ssize_t,  # hAsync : HCRYPTASYNC
    wintypes.LPCSTR,  # pszParamOid : LPSTR
    ctypes.c_void_p,  # ppvParam : void** optional, out
    ctypes.c_void_p,  # ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptGetAsyncParam = Fiddle::Function.new(
  lib['CryptGetAsyncParam'],
  [
    Fiddle::TYPE_INTPTR_T,  # hAsync : HCRYPTASYNC
    Fiddle::TYPE_VOIDP,  # pszParamOid : LPSTR
    Fiddle::TYPE_VOIDP,  # ppvParam : void** optional, out
    Fiddle::TYPE_VOIDP,  # ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptGetAsyncParam(
        hAsync: isize,  // HCRYPTASYNC
        pszParamOid: *mut u8,  // LPSTR
        ppvParam: *mut *mut (),  // void** optional, out
        ppfnFree: *mut *const core::ffi::c_void  // PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll")]
public static extern bool CryptGetAsyncParam(IntPtr hAsync, [MarshalAs(UnmanagedType.LPStr)] string pszParamOid, IntPtr ppvParam, IntPtr ppfnFree);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptGetAsyncParam' -Namespace Win32 -PassThru
# $api::CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)

#uselib "CRYPT32.dll"
#func global CryptGetAsyncParam "CryptGetAsyncParam" sptr, sptr, sptr, sptr
; CryptGetAsyncParam hAsync, pszParamOid, ppvParam, ppfnFree   ; 戻り値は stat
; hAsync : HCRYPTASYNC -> "sptr"
; pszParamOid : LPSTR -> "sptr"
; ppvParam : void** optional, out -> "sptr"
; ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, 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。

#uselib "CRYPT32.dll"
#cfunc global CryptGetAsyncParam "CryptGetAsyncParam" sptr, str, sptr, sptr
; res = CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)
; hAsync : HCRYPTASYNC -> "sptr"
; pszParamOid : LPSTR -> "str"
; ppvParam : void** optional, out -> "sptr"
; ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> "sptr"

; BOOL CryptGetAsyncParam(HCRYPTASYNC hAsync, LPSTR pszParamOid, void** ppvParam, PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* ppfnFree)
#uselib "CRYPT32.dll"
#cfunc global CryptGetAsyncParam "CryptGetAsyncParam" intptr, str, intptr, intptr
; res = CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)
; hAsync : HCRYPTASYNC -> "intptr"
; pszParamOid : LPSTR -> "str"
; ppvParam : void** optional, out -> "intptr"
; ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> "intptr"

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

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptGetAsyncParam = crypt32.NewProc("CryptGetAsyncParam")
)

// hAsync (HCRYPTASYNC), pszParamOid (LPSTR), ppvParam (void** optional, out), ppfnFree (PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out)
r1, _, err := procCryptGetAsyncParam.Call(
	uintptr(hAsync),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszParamOid))),
	uintptr(ppvParam),
	uintptr(ppfnFree),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptGetAsyncParam(
  hAsync: NativeInt;   // HCRYPTASYNC
  pszParamOid: PAnsiChar;   // LPSTR
  ppvParam: Pointer;   // void** optional, out
  ppfnFree: Pointer   // PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptGetAsyncParam';

result := DllCall("CRYPT32\CryptGetAsyncParam"
    , "Ptr", hAsync   ; HCRYPTASYNC
    , "AStr", pszParamOid   ; LPSTR
    , "Ptr", ppvParam   ; void** optional, out
    , "Ptr", ppfnFree   ; PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
    , "Int")   ; return: BOOL

●CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree) = DLL("CRYPT32.dll", "bool CryptGetAsyncParam(int, char*, void*, void*)")
# 呼び出し: CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)
# hAsync : HCRYPTASYNC -> "int"
# pszParamOid : LPSTR -> "char*"
# ppvParam : void** optional, out -> "void*"
# ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, 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)。

const std = @import("std");

extern "crypt32" fn CryptGetAsyncParam(
    hAsync: isize, // HCRYPTASYNC
    pszParamOid: [*c]const u8, // LPSTR
    ppvParam: ?*anyopaque, // void** optional, out
    ppfnFree: ?*anyopaque // PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc CryptGetAsyncParam(
    hAsync: int,  # HCRYPTASYNC
    pszParamOid: cstring,  # LPSTR
    ppvParam: pointer,  # void** optional, out
    ppfnFree: pointer  # PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
): int32 {.importc: "CryptGetAsyncParam", stdcall, dynlib: "CRYPT32.dll".}

pragma(lib, "crypt32");
extern(Windows)
int CryptGetAsyncParam(
    ptrdiff_t hAsync,   // HCRYPTASYNC
    const(char)* pszParamOid,   // LPSTR
    void** ppvParam,   // void** optional, out
    void* ppfnFree   // PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
);

ccall((:CryptGetAsyncParam, "CRYPT32.dll"), stdcall, Int32,
      (Int, Cstring, Ptr{Cvoid}, Ptr{Cvoid}),
      hAsync, pszParamOid, ppvParam, ppfnFree)
# hAsync : HCRYPTASYNC -> Int
# pszParamOid : LPSTR -> Cstring
# ppvParam : void** optional, out -> Ptr{Cvoid}
# ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CryptGetAsyncParam(
    intptr_t hAsync,
    const char* pszParamOid,
    void** ppvParam,
    void* ppfnFree);
]]
local crypt32 = ffi.load("crypt32")
-- crypt32.CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)
-- hAsync : HCRYPTASYNC
-- pszParamOid : LPSTR
-- ppvParam : void** optional, out
-- ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
-- 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('CRYPT32.dll');
const CryptGetAsyncParam = lib.func('__stdcall', 'CryptGetAsyncParam', 'int32_t', ['intptr_t', 'str', 'void *', 'void *']);
// CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)
// hAsync : HCRYPTASYNC -> 'intptr_t'
// pszParamOid : LPSTR -> 'str'
// ppvParam : void** optional, out -> 'void *'
// ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("CRYPT32.dll", {
  CryptGetAsyncParam: { parameters: ["isize", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree)
// hAsync : HCRYPTASYNC -> "isize"
// pszParamOid : LPSTR -> "buffer"
// ppvParam : void** optional, out -> "pointer"
// ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> "pointer"
// 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
int32_t CryptGetAsyncParam(
    intptr_t hAsync,
    const char* pszParamOid,
    void** ppvParam,
    void* ppfnFree);
C, "CRYPT32.dll");
// $ffi->CryptGetAsyncParam(hAsync, pszParamOid, ppvParam, ppfnFree);
// hAsync : HCRYPTASYNC
// pszParamOid : LPSTR
// ppvParam : void** optional, out
// ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
// 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 Crypt32 extends StdCallLibrary {
    Crypt32 INSTANCE = Native.load("crypt32", Crypt32.class);
    boolean CryptGetAsyncParam(
        long hAsync,   // HCRYPTASYNC
        String pszParamOid,   // LPSTR
        Pointer ppvParam,   // void** optional, out
        Callback ppfnFree   // PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
    );
}

@[Link("crypt32")]
lib LibCRYPT32
  fun CryptGetAsyncParam = CryptGetAsyncParam(
    hAsync : LibC::SSizeT,   # HCRYPTASYNC
    pszParamOid : UInt8*,   # LPSTR
    ppvParam : Void**,   # void** optional, out
    ppfnFree : Void*   # PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
  ) : Int32
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 CryptGetAsyncParamNative = Int32 Function(IntPtr, Pointer<Utf8>, Pointer<Void>, Pointer<Void>);
typedef CryptGetAsyncParamDart = int Function(int, Pointer<Utf8>, Pointer<Void>, Pointer<Void>);
final CryptGetAsyncParam = DynamicLibrary.open('CRYPT32.dll')
    .lookupFunction<CryptGetAsyncParamNative, CryptGetAsyncParamDart>('CryptGetAsyncParam');
// hAsync : HCRYPTASYNC -> IntPtr
// pszParamOid : LPSTR -> Pointer<Utf8>
// ppvParam : void** optional, out -> Pointer<Void>
// ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CryptGetAsyncParam(
  hAsync: NativeInt;   // HCRYPTASYNC
  pszParamOid: PAnsiChar;   // LPSTR
  ppvParam: Pointer;   // void** optional, out
  ppfnFree: Pointer   // PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptGetAsyncParam';

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

foreign import stdcall safe "CryptGetAsyncParam"
  c_CryptGetAsyncParam :: CIntPtr -> CString -> Ptr () -> Ptr () -> IO CInt
-- hAsync : HCRYPTASYNC -> CIntPtr
-- pszParamOid : LPSTR -> CString
-- ppvParam : void** optional, out -> Ptr ()
-- ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> Ptr ()
-- 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 cryptgetasyncparam =
  foreign "CryptGetAsyncParam"
    (intptr_t @-> string @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* hAsync : HCRYPTASYNC -> intptr_t *)
(* pszParamOid : LPSTR -> string *)
(* ppvParam : void** optional, out -> (ptr void) *)
(* ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> (ptr void) *)
(* 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 crypt32 (t "CRYPT32.dll"))
(cffi:use-foreign-library crypt32)

(cffi:defcfun ("CryptGetAsyncParam" crypt-get-async-param :convention :stdcall) :int32
  (h-async :int64)   ; HCRYPTASYNC
  (psz-param-oid :string)   ; LPSTR
  (ppv-param :pointer)   ; void** optional, out
  (ppfn-free :pointer))   ; PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CryptGetAsyncParam = Win32::API::More->new('CRYPT32',
    'BOOL CryptGetAsyncParam(LPARAM hAsync, LPCSTR pszParamOid, LPVOID ppvParam, LPVOID ppfnFree)');
# my $ret = $CryptGetAsyncParam->Call($hAsync, $pszParamOid, $ppvParam, $ppfnFree);
# hAsync : HCRYPTASYNC -> LPARAM
# pszParamOid : LPSTR -> LPCSTR
# ppvParam : void** optional, out -> LPVOID
# ppfnFree : PFN_CRYPT_ASYNC_PARAM_FREE_FUNC* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。