DRMGetSignedIssuanceLicense

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

HRESULT DRMGetSignedIssuanceLicense(
    DWORD hEnv,
    DWORD hIssuanceLicense,
    DWORD uFlags,
    BYTE* pbSymKey,
    DWORD cbSymKey,
    LPWSTR wszSymKeyType,   // optional
    LPWSTR wszClientLicensorCertificate,   // optional
    DRMCALLBACK pfnCallback,
    LPWSTR wszURL,   // optional
    void* pvContext
);

<DllImport("msdrm.dll", ExactSpelling:=True)>
Public Shared Function DRMGetSignedIssuanceLicense(
    hEnv As UInteger,   ' DWORD
    hIssuanceLicense As UInteger,   ' DWORD
    uFlags As UInteger,   ' DWORD
    pbSymKey As IntPtr,   ' BYTE* in/out
    cbSymKey As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> wszSymKeyType As String,   ' LPWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> wszClientLicensorCertificate As String,   ' LPWSTR optional
    pfnCallback As IntPtr,   ' DRMCALLBACK
    <MarshalAs(UnmanagedType.LPWStr)> wszURL As String,   ' LPWSTR optional
    pvContext As IntPtr   ' void* in/out
) As Integer
End Function

' hEnv : DWORD
' hIssuanceLicense : DWORD
' uFlags : DWORD
' pbSymKey : BYTE* in/out
' cbSymKey : DWORD
' wszSymKeyType : LPWSTR optional
' wszClientLicensorCertificate : LPWSTR optional
' pfnCallback : DRMCALLBACK
' wszURL : LPWSTR optional
' pvContext : void* in/out
Declare PtrSafe Function DRMGetSignedIssuanceLicense Lib "msdrm" ( _
    ByVal hEnv As Long, _
    ByVal hIssuanceLicense As Long, _
    ByVal uFlags As Long, _
    ByVal pbSymKey As LongPtr, _
    ByVal cbSymKey As Long, _
    ByVal wszSymKeyType As LongPtr, _
    ByVal wszClientLicensorCertificate As LongPtr, _
    ByVal pfnCallback As LongPtr, _
    ByVal wszURL As LongPtr, _
    ByVal pvContext 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

DRMGetSignedIssuanceLicense = ctypes.windll.msdrm.DRMGetSignedIssuanceLicense
DRMGetSignedIssuanceLicense.restype = ctypes.c_int
DRMGetSignedIssuanceLicense.argtypes = [
    wintypes.DWORD,  # hEnv : DWORD
    wintypes.DWORD,  # hIssuanceLicense : DWORD
    wintypes.DWORD,  # uFlags : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbSymKey : BYTE* in/out
    wintypes.DWORD,  # cbSymKey : DWORD
    wintypes.LPCWSTR,  # wszSymKeyType : LPWSTR optional
    wintypes.LPCWSTR,  # wszClientLicensorCertificate : LPWSTR optional
    ctypes.c_void_p,  # pfnCallback : DRMCALLBACK
    wintypes.LPCWSTR,  # wszURL : LPWSTR optional
    ctypes.POINTER(None),  # pvContext : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('msdrm.dll')
DRMGetSignedIssuanceLicense = Fiddle::Function.new(
  lib['DRMGetSignedIssuanceLicense'],
  [
    -Fiddle::TYPE_INT,  # hEnv : DWORD
    -Fiddle::TYPE_INT,  # hIssuanceLicense : DWORD
    -Fiddle::TYPE_INT,  # uFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pbSymKey : BYTE* in/out
    -Fiddle::TYPE_INT,  # cbSymKey : DWORD
    Fiddle::TYPE_VOIDP,  # wszSymKeyType : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # wszClientLicensorCertificate : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # pfnCallback : DRMCALLBACK
    Fiddle::TYPE_VOIDP,  # wszURL : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # pvContext : void* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "msdrm")]
extern "system" {
    fn DRMGetSignedIssuanceLicense(
        hEnv: u32,  // DWORD
        hIssuanceLicense: u32,  // DWORD
        uFlags: u32,  // DWORD
        pbSymKey: *mut u8,  // BYTE* in/out
        cbSymKey: u32,  // DWORD
        wszSymKeyType: *mut u16,  // LPWSTR optional
        wszClientLicensorCertificate: *mut u16,  // LPWSTR optional
        pfnCallback: *const core::ffi::c_void,  // DRMCALLBACK
        wszURL: *mut u16,  // LPWSTR optional
        pvContext: *mut ()  // void* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("msdrm.dll")]
public static extern int DRMGetSignedIssuanceLicense(uint hEnv, uint hIssuanceLicense, uint uFlags, IntPtr pbSymKey, uint cbSymKey, [MarshalAs(UnmanagedType.LPWStr)] string wszSymKeyType, [MarshalAs(UnmanagedType.LPWStr)] string wszClientLicensorCertificate, IntPtr pfnCallback, [MarshalAs(UnmanagedType.LPWStr)] string wszURL, IntPtr pvContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'msdrm_DRMGetSignedIssuanceLicense' -Namespace Win32 -PassThru
# $api::DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext)

#uselib "msdrm.dll"
#func global DRMGetSignedIssuanceLicense "DRMGetSignedIssuanceLicense" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DRMGetSignedIssuanceLicense hEnv, hIssuanceLicense, uFlags, varptr(pbSymKey), cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext   ; 戻り値は stat
; hEnv : DWORD -> "sptr"
; hIssuanceLicense : DWORD -> "sptr"
; uFlags : DWORD -> "sptr"
; pbSymKey : BYTE* in/out -> "sptr"
; cbSymKey : DWORD -> "sptr"
; wszSymKeyType : LPWSTR optional -> "sptr"
; wszClientLicensorCertificate : LPWSTR optional -> "sptr"
; pfnCallback : DRMCALLBACK -> "sptr"
; wszURL : LPWSTR optional -> "sptr"
; pvContext : void* 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。

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

var (
	msdrm = windows.NewLazySystemDLL("msdrm.dll")
	procDRMGetSignedIssuanceLicense = msdrm.NewProc("DRMGetSignedIssuanceLicense")
)

// hEnv (DWORD), hIssuanceLicense (DWORD), uFlags (DWORD), pbSymKey (BYTE* in/out), cbSymKey (DWORD), wszSymKeyType (LPWSTR optional), wszClientLicensorCertificate (LPWSTR optional), pfnCallback (DRMCALLBACK), wszURL (LPWSTR optional), pvContext (void* in/out)
r1, _, err := procDRMGetSignedIssuanceLicense.Call(
	uintptr(hEnv),
	uintptr(hIssuanceLicense),
	uintptr(uFlags),
	uintptr(pbSymKey),
	uintptr(cbSymKey),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszSymKeyType))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszClientLicensorCertificate))),
	uintptr(pfnCallback),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszURL))),
	uintptr(pvContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DRMGetSignedIssuanceLicense(
  hEnv: DWORD;   // DWORD
  hIssuanceLicense: DWORD;   // DWORD
  uFlags: DWORD;   // DWORD
  pbSymKey: Pointer;   // BYTE* in/out
  cbSymKey: DWORD;   // DWORD
  wszSymKeyType: PWideChar;   // LPWSTR optional
  wszClientLicensorCertificate: PWideChar;   // LPWSTR optional
  pfnCallback: Pointer;   // DRMCALLBACK
  wszURL: PWideChar;   // LPWSTR optional
  pvContext: Pointer   // void* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMGetSignedIssuanceLicense';

result := DllCall("msdrm\DRMGetSignedIssuanceLicense"
    , "UInt", hEnv   ; DWORD
    , "UInt", hIssuanceLicense   ; DWORD
    , "UInt", uFlags   ; DWORD
    , "Ptr", pbSymKey   ; BYTE* in/out
    , "UInt", cbSymKey   ; DWORD
    , "WStr", wszSymKeyType   ; LPWSTR optional
    , "WStr", wszClientLicensorCertificate   ; LPWSTR optional
    , "Ptr", pfnCallback   ; DRMCALLBACK
    , "WStr", wszURL   ; LPWSTR optional
    , "Ptr", pvContext   ; void* in/out
    , "Int")   ; return: HRESULT

●DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext) = DLL("msdrm.dll", "int DRMGetSignedIssuanceLicense(dword, dword, dword, void*, dword, char*, char*, void*, char*, void*)")
# 呼び出し: DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext)
# hEnv : DWORD -> "dword"
# hIssuanceLicense : DWORD -> "dword"
# uFlags : DWORD -> "dword"
# pbSymKey : BYTE* in/out -> "void*"
# cbSymKey : DWORD -> "dword"
# wszSymKeyType : LPWSTR optional -> "char*"
# wszClientLicensorCertificate : LPWSTR optional -> "char*"
# pfnCallback : DRMCALLBACK -> "void*"
# wszURL : LPWSTR optional -> "char*"
# pvContext : void* 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)。

const std = @import("std");

extern "msdrm" fn DRMGetSignedIssuanceLicense(
    hEnv: u32, // DWORD
    hIssuanceLicense: u32, // DWORD
    uFlags: u32, // DWORD
    pbSymKey: [*c]u8, // BYTE* in/out
    cbSymKey: u32, // DWORD
    wszSymKeyType: [*c]const u16, // LPWSTR optional
    wszClientLicensorCertificate: [*c]const u16, // LPWSTR optional
    pfnCallback: ?*anyopaque, // DRMCALLBACK
    wszURL: [*c]const u16, // LPWSTR optional
    pvContext: ?*anyopaque // void* in/out
) callconv(std.os.windows.WINAPI) i32;

proc DRMGetSignedIssuanceLicense(
    hEnv: uint32,  # DWORD
    hIssuanceLicense: uint32,  # DWORD
    uFlags: uint32,  # DWORD
    pbSymKey: ptr uint8,  # BYTE* in/out
    cbSymKey: uint32,  # DWORD
    wszSymKeyType: WideCString,  # LPWSTR optional
    wszClientLicensorCertificate: WideCString,  # LPWSTR optional
    pfnCallback: pointer,  # DRMCALLBACK
    wszURL: WideCString,  # LPWSTR optional
    pvContext: pointer  # void* in/out
): int32 {.importc: "DRMGetSignedIssuanceLicense", stdcall, dynlib: "msdrm.dll".}

pragma(lib, "msdrm");
extern(Windows)
int DRMGetSignedIssuanceLicense(
    uint hEnv,   // DWORD
    uint hIssuanceLicense,   // DWORD
    uint uFlags,   // DWORD
    ubyte* pbSymKey,   // BYTE* in/out
    uint cbSymKey,   // DWORD
    const(wchar)* wszSymKeyType,   // LPWSTR optional
    const(wchar)* wszClientLicensorCertificate,   // LPWSTR optional
    void* pfnCallback,   // DRMCALLBACK
    const(wchar)* wszURL,   // LPWSTR optional
    void* pvContext   // void* in/out
);

ccall((:DRMGetSignedIssuanceLicense, "msdrm.dll"), stdcall, Int32,
      (UInt32, UInt32, UInt32, Ptr{UInt8}, UInt32, Cwstring, Cwstring, Ptr{Cvoid}, Cwstring, Ptr{Cvoid}),
      hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext)
# hEnv : DWORD -> UInt32
# hIssuanceLicense : DWORD -> UInt32
# uFlags : DWORD -> UInt32
# pbSymKey : BYTE* in/out -> Ptr{UInt8}
# cbSymKey : DWORD -> UInt32
# wszSymKeyType : LPWSTR optional -> Cwstring
# wszClientLicensorCertificate : LPWSTR optional -> Cwstring
# pfnCallback : DRMCALLBACK -> Ptr{Cvoid}
# wszURL : LPWSTR optional -> Cwstring
# pvContext : void* in/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 DRMGetSignedIssuanceLicense(
    uint32_t hEnv,
    uint32_t hIssuanceLicense,
    uint32_t uFlags,
    uint8_t* pbSymKey,
    uint32_t cbSymKey,
    const uint16_t* wszSymKeyType,
    const uint16_t* wszClientLicensorCertificate,
    void* pfnCallback,
    const uint16_t* wszURL,
    void* pvContext);
]]
local msdrm = ffi.load("msdrm")
-- msdrm.DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext)
-- hEnv : DWORD
-- hIssuanceLicense : DWORD
-- uFlags : DWORD
-- pbSymKey : BYTE* in/out
-- cbSymKey : DWORD
-- wszSymKeyType : LPWSTR optional
-- wszClientLicensorCertificate : LPWSTR optional
-- pfnCallback : DRMCALLBACK
-- wszURL : LPWSTR optional
-- pvContext : void* in/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('msdrm.dll');
const DRMGetSignedIssuanceLicense = lib.func('__stdcall', 'DRMGetSignedIssuanceLicense', 'int32_t', ['uint32_t', 'uint32_t', 'uint32_t', 'uint8_t *', 'uint32_t', 'str16', 'str16', 'void *', 'str16', 'void *']);
// DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext)
// hEnv : DWORD -> 'uint32_t'
// hIssuanceLicense : DWORD -> 'uint32_t'
// uFlags : DWORD -> 'uint32_t'
// pbSymKey : BYTE* in/out -> 'uint8_t *'
// cbSymKey : DWORD -> 'uint32_t'
// wszSymKeyType : LPWSTR optional -> 'str16'
// wszClientLicensorCertificate : LPWSTR optional -> 'str16'
// pfnCallback : DRMCALLBACK -> 'void *'
// wszURL : LPWSTR optional -> 'str16'
// pvContext : void* in/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("msdrm.dll", {
  DRMGetSignedIssuanceLicense: { parameters: ["u32", "u32", "u32", "pointer", "u32", "buffer", "buffer", "pointer", "buffer", "pointer"], result: "i32" },
});
// lib.symbols.DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext)
// hEnv : DWORD -> "u32"
// hIssuanceLicense : DWORD -> "u32"
// uFlags : DWORD -> "u32"
// pbSymKey : BYTE* in/out -> "pointer"
// cbSymKey : DWORD -> "u32"
// wszSymKeyType : LPWSTR optional -> "buffer"
// wszClientLicensorCertificate : LPWSTR optional -> "buffer"
// pfnCallback : DRMCALLBACK -> "pointer"
// wszURL : LPWSTR optional -> "buffer"
// pvContext : void* in/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 DRMGetSignedIssuanceLicense(
    uint32_t hEnv,
    uint32_t hIssuanceLicense,
    uint32_t uFlags,
    uint8_t* pbSymKey,
    uint32_t cbSymKey,
    const uint16_t* wszSymKeyType,
    const uint16_t* wszClientLicensorCertificate,
    void* pfnCallback,
    const uint16_t* wszURL,
    void* pvContext);
C, "msdrm.dll");
// $ffi->DRMGetSignedIssuanceLicense(hEnv, hIssuanceLicense, uFlags, pbSymKey, cbSymKey, wszSymKeyType, wszClientLicensorCertificate, pfnCallback, wszURL, pvContext);
// hEnv : DWORD
// hIssuanceLicense : DWORD
// uFlags : DWORD
// pbSymKey : BYTE* in/out
// cbSymKey : DWORD
// wszSymKeyType : LPWSTR optional
// wszClientLicensorCertificate : LPWSTR optional
// pfnCallback : DRMCALLBACK
// wszURL : LPWSTR optional
// pvContext : void* in/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 Msdrm extends StdCallLibrary {
    Msdrm INSTANCE = Native.load("msdrm", Msdrm.class);
    int DRMGetSignedIssuanceLicense(
        int hEnv,   // DWORD
        int hIssuanceLicense,   // DWORD
        int uFlags,   // DWORD
        byte[] pbSymKey,   // BYTE* in/out
        int cbSymKey,   // DWORD
        WString wszSymKeyType,   // LPWSTR optional
        WString wszClientLicensorCertificate,   // LPWSTR optional
        Callback pfnCallback,   // DRMCALLBACK
        WString wszURL,   // LPWSTR optional
        Pointer pvContext   // void* in/out
    );
}

@[Link("msdrm")]
lib Libmsdrm
  fun DRMGetSignedIssuanceLicense = DRMGetSignedIssuanceLicense(
    hEnv : UInt32,   # DWORD
    hIssuanceLicense : UInt32,   # DWORD
    uFlags : UInt32,   # DWORD
    pbSymKey : UInt8*,   # BYTE* in/out
    cbSymKey : UInt32,   # DWORD
    wszSymKeyType : UInt16*,   # LPWSTR optional
    wszClientLicensorCertificate : UInt16*,   # LPWSTR optional
    pfnCallback : Void*,   # DRMCALLBACK
    wszURL : UInt16*,   # LPWSTR optional
    pvContext : Void*   # void* in/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 DRMGetSignedIssuanceLicenseNative = Int32 Function(Uint32, Uint32, Uint32, Pointer<Uint8>, Uint32, Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>, Pointer<Utf16>, Pointer<Void>);
typedef DRMGetSignedIssuanceLicenseDart = int Function(int, int, int, Pointer<Uint8>, int, Pointer<Utf16>, Pointer<Utf16>, Pointer<Void>, Pointer<Utf16>, Pointer<Void>);
final DRMGetSignedIssuanceLicense = DynamicLibrary.open('msdrm.dll')
    .lookupFunction<DRMGetSignedIssuanceLicenseNative, DRMGetSignedIssuanceLicenseDart>('DRMGetSignedIssuanceLicense');
// hEnv : DWORD -> Uint32
// hIssuanceLicense : DWORD -> Uint32
// uFlags : DWORD -> Uint32
// pbSymKey : BYTE* in/out -> Pointer<Uint8>
// cbSymKey : DWORD -> Uint32
// wszSymKeyType : LPWSTR optional -> Pointer<Utf16>
// wszClientLicensorCertificate : LPWSTR optional -> Pointer<Utf16>
// pfnCallback : DRMCALLBACK -> Pointer<Void>
// wszURL : LPWSTR optional -> Pointer<Utf16>
// pvContext : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DRMGetSignedIssuanceLicense(
  hEnv: DWORD;   // DWORD
  hIssuanceLicense: DWORD;   // DWORD
  uFlags: DWORD;   // DWORD
  pbSymKey: Pointer;   // BYTE* in/out
  cbSymKey: DWORD;   // DWORD
  wszSymKeyType: PWideChar;   // LPWSTR optional
  wszClientLicensorCertificate: PWideChar;   // LPWSTR optional
  pfnCallback: Pointer;   // DRMCALLBACK
  wszURL: PWideChar;   // LPWSTR optional
  pvContext: Pointer   // void* in/out
): Integer; stdcall;
  external 'msdrm.dll' name 'DRMGetSignedIssuanceLicense';

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

foreign import stdcall safe "DRMGetSignedIssuanceLicense"
  c_DRMGetSignedIssuanceLicense :: Word32 -> Word32 -> Word32 -> Ptr Word8 -> Word32 -> CWString -> CWString -> Ptr () -> CWString -> Ptr () -> IO Int32
-- hEnv : DWORD -> Word32
-- hIssuanceLicense : DWORD -> Word32
-- uFlags : DWORD -> Word32
-- pbSymKey : BYTE* in/out -> Ptr Word8
-- cbSymKey : DWORD -> Word32
-- wszSymKeyType : LPWSTR optional -> CWString
-- wszClientLicensorCertificate : LPWSTR optional -> CWString
-- pfnCallback : DRMCALLBACK -> Ptr ()
-- wszURL : LPWSTR optional -> CWString
-- pvContext : void* in/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 drmgetsignedissuancelicense =
  foreign "DRMGetSignedIssuanceLicense"
    (uint32_t @-> uint32_t @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr void) @-> (ptr uint16_t) @-> (ptr void) @-> returning int32_t)
(* hEnv : DWORD -> uint32_t *)
(* hIssuanceLicense : DWORD -> uint32_t *)
(* uFlags : DWORD -> uint32_t *)
(* pbSymKey : BYTE* in/out -> (ptr uint8_t) *)
(* cbSymKey : DWORD -> uint32_t *)
(* wszSymKeyType : LPWSTR optional -> (ptr uint16_t) *)
(* wszClientLicensorCertificate : LPWSTR optional -> (ptr uint16_t) *)
(* pfnCallback : DRMCALLBACK -> (ptr void) *)
(* wszURL : LPWSTR optional -> (ptr uint16_t) *)
(* pvContext : void* in/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 msdrm (t "msdrm.dll"))
(cffi:use-foreign-library msdrm)

(cffi:defcfun ("DRMGetSignedIssuanceLicense" drmget-signed-issuance-license :convention :stdcall) :int32
  (h-env :uint32)   ; DWORD
  (h-issuance-license :uint32)   ; DWORD
  (u-flags :uint32)   ; DWORD
  (pb-sym-key :pointer)   ; BYTE* in/out
  (cb-sym-key :uint32)   ; DWORD
  (wsz-sym-key-type (:string :encoding :utf-16le))   ; LPWSTR optional
  (wsz-client-licensor-certificate (:string :encoding :utf-16le))   ; LPWSTR optional
  (pfn-callback :pointer)   ; DRMCALLBACK
  (wsz-url (:string :encoding :utf-16le))   ; LPWSTR optional
  (pv-context :pointer))   ; void* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DRMGetSignedIssuanceLicense = Win32::API::More->new('msdrm',
    'int DRMGetSignedIssuanceLicense(DWORD hEnv, DWORD hIssuanceLicense, DWORD uFlags, LPVOID pbSymKey, DWORD cbSymKey, LPCWSTR wszSymKeyType, LPCWSTR wszClientLicensorCertificate, LPVOID pfnCallback, LPCWSTR wszURL, LPVOID pvContext)');
# my $ret = $DRMGetSignedIssuanceLicense->Call($hEnv, $hIssuanceLicense, $uFlags, $pbSymKey, $cbSymKey, $wszSymKeyType, $wszClientLicensorCertificate, $pfnCallback, $wszURL, $pvContext);
# hEnv : DWORD -> DWORD
# hIssuanceLicense : DWORD -> DWORD
# uFlags : DWORD -> DWORD
# pbSymKey : BYTE* in/out -> LPVOID
# cbSymKey : DWORD -> DWORD
# wszSymKeyType : LPWSTR optional -> LPCWSTR
# wszClientLicensorCertificate : LPWSTR optional -> LPCWSTR
# pfnCallback : DRMCALLBACK -> LPVOID
# wszURL : LPWSTR optional -> LPCWSTR
# pvContext : void* in/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。