ホーム › Security.ExtensibleAuthenticationProtocol › EapHostPeerCredentialsXml2Blob

EapHostPeerCredentialsXml2Blob

関数

EAP資格情報XMLをバイナリBLOB形式に変換する。

DLLeappcfg.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

DWORD EapHostPeerCredentialsXml2Blob(
    DWORD dwFlags,
    IXMLDOMNode* pCredentialsDoc,
    DWORD dwSizeOfConfigIn,
    BYTE* pConfigIn,
    DWORD* pdwSizeOfCredentialsOut,
    BYTE** ppCredentialsOut,
    EAP_METHOD_TYPE* pEapMethodType,
    EAP_ERROR** ppEapError
);

パラメーター

名前	型	方向	説明
dwFlags	DWORD	in	動作を制御するフラグ。
pCredentialsDoc	IXMLDOMNode*	in	資格情報を表すXMLノードIXMLDOMNodeへのポインタ。
dwSizeOfConfigIn	DWORD	in	pConfigInが指す構成データのバイト数。
pConfigIn	BYTE*	in	対応する接続構成データへのポインタ。
pdwSizeOfCredentialsOut	DWORD*	out	出力資格情報BLOBのサイズ(バイト)を受け取るポインタ。
ppCredentialsOut	BYTE**	out	XMLから変換された資格情報BLOBのアドレスを受け取るポインタ。解放が必要。
pEapMethodType	EAP_METHOD_TYPE*	out	判定されたEAPメソッド種別を受け取るEAP_METHOD_TYPEへのポインタ。
ppEapError	EAP_ERROR**	out	エラー発生時にEAP_ERROR構造体のアドレスを受け取るポインタ。解放が必要。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD EapHostPeerCredentialsXml2Blob(
    DWORD dwFlags,
    IXMLDOMNode* pCredentialsDoc,
    DWORD dwSizeOfConfigIn,
    BYTE* pConfigIn,
    DWORD* pdwSizeOfCredentialsOut,
    BYTE** ppCredentialsOut,
    EAP_METHOD_TYPE* pEapMethodType,
    EAP_ERROR** ppEapError
);

[DllImport("eappcfg.dll", ExactSpelling = true)]
static extern uint EapHostPeerCredentialsXml2Blob(
    uint dwFlags,   // DWORD
    IntPtr pCredentialsDoc,   // IXMLDOMNode*
    uint dwSizeOfConfigIn,   // DWORD
    IntPtr pConfigIn,   // BYTE*
    out uint pdwSizeOfCredentialsOut,   // DWORD* out
    IntPtr ppCredentialsOut,   // BYTE** out
    IntPtr pEapMethodType,   // EAP_METHOD_TYPE* out
    IntPtr ppEapError   // EAP_ERROR** out
);

<DllImport("eappcfg.dll", ExactSpelling:=True)>
Public Shared Function EapHostPeerCredentialsXml2Blob(
    dwFlags As UInteger,   ' DWORD
    pCredentialsDoc As IntPtr,   ' IXMLDOMNode*
    dwSizeOfConfigIn As UInteger,   ' DWORD
    pConfigIn As IntPtr,   ' BYTE*
    <Out> ByRef pdwSizeOfCredentialsOut As UInteger,   ' DWORD* out
    ppCredentialsOut As IntPtr,   ' BYTE** out
    pEapMethodType As IntPtr,   ' EAP_METHOD_TYPE* out
    ppEapError As IntPtr   ' EAP_ERROR** out
) As UInteger
End Function

' dwFlags : DWORD
' pCredentialsDoc : IXMLDOMNode*
' dwSizeOfConfigIn : DWORD
' pConfigIn : BYTE*
' pdwSizeOfCredentialsOut : DWORD* out
' ppCredentialsOut : BYTE** out
' pEapMethodType : EAP_METHOD_TYPE* out
' ppEapError : EAP_ERROR** out
Declare PtrSafe Function EapHostPeerCredentialsXml2Blob Lib "eappcfg" ( _
    ByVal dwFlags As Long, _
    ByVal pCredentialsDoc As LongPtr, _
    ByVal dwSizeOfConfigIn As Long, _
    ByVal pConfigIn As LongPtr, _
    ByRef pdwSizeOfCredentialsOut As Long, _
    ByVal ppCredentialsOut As LongPtr, _
    ByVal pEapMethodType As LongPtr, _
    ByVal ppEapError 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

EapHostPeerCredentialsXml2Blob = ctypes.windll.eappcfg.EapHostPeerCredentialsXml2Blob
EapHostPeerCredentialsXml2Blob.restype = wintypes.DWORD
EapHostPeerCredentialsXml2Blob.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.c_void_p,  # pCredentialsDoc : IXMLDOMNode*
    wintypes.DWORD,  # dwSizeOfConfigIn : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pConfigIn : BYTE*
    ctypes.POINTER(wintypes.DWORD),  # pdwSizeOfCredentialsOut : DWORD* out
    ctypes.c_void_p,  # ppCredentialsOut : BYTE** out
    ctypes.c_void_p,  # pEapMethodType : EAP_METHOD_TYPE* out
    ctypes.c_void_p,  # ppEapError : EAP_ERROR** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('eappcfg.dll')
EapHostPeerCredentialsXml2Blob = Fiddle::Function.new(
  lib['EapHostPeerCredentialsXml2Blob'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pCredentialsDoc : IXMLDOMNode*
    -Fiddle::TYPE_INT,  # dwSizeOfConfigIn : DWORD
    Fiddle::TYPE_VOIDP,  # pConfigIn : BYTE*
    Fiddle::TYPE_VOIDP,  # pdwSizeOfCredentialsOut : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppCredentialsOut : BYTE** out
    Fiddle::TYPE_VOIDP,  # pEapMethodType : EAP_METHOD_TYPE* out
    Fiddle::TYPE_VOIDP,  # ppEapError : EAP_ERROR** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "eappcfg")]
extern "system" {
    fn EapHostPeerCredentialsXml2Blob(
        dwFlags: u32,  // DWORD
        pCredentialsDoc: *mut core::ffi::c_void,  // IXMLDOMNode*
        dwSizeOfConfigIn: u32,  // DWORD
        pConfigIn: *mut u8,  // BYTE*
        pdwSizeOfCredentialsOut: *mut u32,  // DWORD* out
        ppCredentialsOut: *mut *mut u8,  // BYTE** out
        pEapMethodType: *mut EAP_METHOD_TYPE,  // EAP_METHOD_TYPE* out
        ppEapError: *mut *mut EAP_ERROR  // EAP_ERROR** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("eappcfg.dll")]
public static extern uint EapHostPeerCredentialsXml2Blob(uint dwFlags, IntPtr pCredentialsDoc, uint dwSizeOfConfigIn, IntPtr pConfigIn, out uint pdwSizeOfCredentialsOut, IntPtr ppCredentialsOut, IntPtr pEapMethodType, IntPtr ppEapError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'eappcfg_EapHostPeerCredentialsXml2Blob' -Namespace Win32 -PassThru
# $api::EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)

#uselib "eappcfg.dll"
#func global EapHostPeerCredentialsXml2Blob "EapHostPeerCredentialsXml2Blob" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; EapHostPeerCredentialsXml2Blob dwFlags, pCredentialsDoc, dwSizeOfConfigIn, varptr(pConfigIn), varptr(pdwSizeOfCredentialsOut), varptr(ppCredentialsOut), varptr(pEapMethodType), varptr(ppEapError)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; pCredentialsDoc : IXMLDOMNode* -> "sptr"
; dwSizeOfConfigIn : DWORD -> "sptr"
; pConfigIn : BYTE* -> "sptr"
; pdwSizeOfCredentialsOut : DWORD* out -> "sptr"
; ppCredentialsOut : BYTE** out -> "sptr"
; pEapMethodType : EAP_METHOD_TYPE* out -> "sptr"
; ppEapError : EAP_ERROR** 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 "eappcfg.dll"
#cfunc global EapHostPeerCredentialsXml2Blob "EapHostPeerCredentialsXml2Blob" int, sptr, int, var, var, var, var, var
; res = EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
; dwFlags : DWORD -> "int"
; pCredentialsDoc : IXMLDOMNode* -> "sptr"
; dwSizeOfConfigIn : DWORD -> "int"
; pConfigIn : BYTE* -> "var"
; pdwSizeOfCredentialsOut : DWORD* out -> "var"
; ppCredentialsOut : BYTE** out -> "var"
; pEapMethodType : EAP_METHOD_TYPE* out -> "var"
; ppEapError : EAP_ERROR** 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。#uselib "eappcfg.dll"
#cfunc global EapHostPeerCredentialsXml2Blob "EapHostPeerCredentialsXml2Blob" int, sptr, int, sptr, sptr, sptr, sptr, sptr
; res = EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, varptr(pConfigIn), varptr(pdwSizeOfCredentialsOut), varptr(ppCredentialsOut), varptr(pEapMethodType), varptr(ppEapError))
; dwFlags : DWORD -> "int"
; pCredentialsDoc : IXMLDOMNode* -> "sptr"
; dwSizeOfConfigIn : DWORD -> "int"
; pConfigIn : BYTE* -> "sptr"
; pdwSizeOfCredentialsOut : DWORD* out -> "sptr"
; ppCredentialsOut : BYTE** out -> "sptr"
; pEapMethodType : EAP_METHOD_TYPE* out -> "sptr"
; ppEapError : EAP_ERROR** out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD EapHostPeerCredentialsXml2Blob(DWORD dwFlags, IXMLDOMNode* pCredentialsDoc, DWORD dwSizeOfConfigIn, BYTE* pConfigIn, DWORD* pdwSizeOfCredentialsOut, BYTE** ppCredentialsOut, EAP_METHOD_TYPE* pEapMethodType, EAP_ERROR** ppEapError)
#uselib "eappcfg.dll"
#cfunc global EapHostPeerCredentialsXml2Blob "EapHostPeerCredentialsXml2Blob" int, intptr, int, var, var, var, var, var
; res = EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
; dwFlags : DWORD -> "int"
; pCredentialsDoc : IXMLDOMNode* -> "intptr"
; dwSizeOfConfigIn : DWORD -> "int"
; pConfigIn : BYTE* -> "var"
; pdwSizeOfCredentialsOut : DWORD* out -> "var"
; ppCredentialsOut : BYTE** out -> "var"
; pEapMethodType : EAP_METHOD_TYPE* out -> "var"
; ppEapError : EAP_ERROR** 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。; DWORD EapHostPeerCredentialsXml2Blob(DWORD dwFlags, IXMLDOMNode* pCredentialsDoc, DWORD dwSizeOfConfigIn, BYTE* pConfigIn, DWORD* pdwSizeOfCredentialsOut, BYTE** ppCredentialsOut, EAP_METHOD_TYPE* pEapMethodType, EAP_ERROR** ppEapError)
#uselib "eappcfg.dll"
#cfunc global EapHostPeerCredentialsXml2Blob "EapHostPeerCredentialsXml2Blob" int, intptr, int, intptr, intptr, intptr, intptr, intptr
; res = EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, varptr(pConfigIn), varptr(pdwSizeOfCredentialsOut), varptr(ppCredentialsOut), varptr(pEapMethodType), varptr(ppEapError))
; dwFlags : DWORD -> "int"
; pCredentialsDoc : IXMLDOMNode* -> "intptr"
; dwSizeOfConfigIn : DWORD -> "int"
; pConfigIn : BYTE* -> "intptr"
; pdwSizeOfCredentialsOut : DWORD* out -> "intptr"
; ppCredentialsOut : BYTE** out -> "intptr"
; pEapMethodType : EAP_METHOD_TYPE* out -> "intptr"
; ppEapError : EAP_ERROR** out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	eappcfg = windows.NewLazySystemDLL("eappcfg.dll")
	procEapHostPeerCredentialsXml2Blob = eappcfg.NewProc("EapHostPeerCredentialsXml2Blob")
)

// dwFlags (DWORD), pCredentialsDoc (IXMLDOMNode*), dwSizeOfConfigIn (DWORD), pConfigIn (BYTE*), pdwSizeOfCredentialsOut (DWORD* out), ppCredentialsOut (BYTE** out), pEapMethodType (EAP_METHOD_TYPE* out), ppEapError (EAP_ERROR** out)
r1, _, err := procEapHostPeerCredentialsXml2Blob.Call(
	uintptr(dwFlags),
	uintptr(pCredentialsDoc),
	uintptr(dwSizeOfConfigIn),
	uintptr(pConfigIn),
	uintptr(pdwSizeOfCredentialsOut),
	uintptr(ppCredentialsOut),
	uintptr(pEapMethodType),
	uintptr(ppEapError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EapHostPeerCredentialsXml2Blob(
  dwFlags: DWORD;   // DWORD
  pCredentialsDoc: Pointer;   // IXMLDOMNode*
  dwSizeOfConfigIn: DWORD;   // DWORD
  pConfigIn: Pointer;   // BYTE*
  pdwSizeOfCredentialsOut: Pointer;   // DWORD* out
  ppCredentialsOut: Pointer;   // BYTE** out
  pEapMethodType: Pointer;   // EAP_METHOD_TYPE* out
  ppEapError: Pointer   // EAP_ERROR** out
): DWORD; stdcall;
  external 'eappcfg.dll' name 'EapHostPeerCredentialsXml2Blob';

result := DllCall("eappcfg\EapHostPeerCredentialsXml2Blob"
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pCredentialsDoc   ; IXMLDOMNode*
    , "UInt", dwSizeOfConfigIn   ; DWORD
    , "Ptr", pConfigIn   ; BYTE*
    , "Ptr", pdwSizeOfCredentialsOut   ; DWORD* out
    , "Ptr", ppCredentialsOut   ; BYTE** out
    , "Ptr", pEapMethodType   ; EAP_METHOD_TYPE* out
    , "Ptr", ppEapError   ; EAP_ERROR** out
    , "UInt")   ; return: DWORD

●EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError) = DLL("eappcfg.dll", "dword EapHostPeerCredentialsXml2Blob(dword, void*, dword, void*, void*, void*, void*, void*)")
# 呼び出し: EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
# dwFlags : DWORD -> "dword"
# pCredentialsDoc : IXMLDOMNode* -> "void*"
# dwSizeOfConfigIn : DWORD -> "dword"
# pConfigIn : BYTE* -> "void*"
# pdwSizeOfCredentialsOut : DWORD* out -> "void*"
# ppCredentialsOut : BYTE** out -> "void*"
# pEapMethodType : EAP_METHOD_TYPE* out -> "void*"
# ppEapError : EAP_ERROR** 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 "eappcfg" fn EapHostPeerCredentialsXml2Blob(
    dwFlags: u32, // DWORD
    pCredentialsDoc: ?*anyopaque, // IXMLDOMNode*
    dwSizeOfConfigIn: u32, // DWORD
    pConfigIn: [*c]u8, // BYTE*
    pdwSizeOfCredentialsOut: [*c]u32, // DWORD* out
    ppCredentialsOut: [*c][*c]u8, // BYTE** out
    pEapMethodType: [*c]EAP_METHOD_TYPE, // EAP_METHOD_TYPE* out
    ppEapError: [*c][*c]EAP_ERROR // EAP_ERROR** out
) callconv(std.os.windows.WINAPI) u32;

proc EapHostPeerCredentialsXml2Blob(
    dwFlags: uint32,  # DWORD
    pCredentialsDoc: pointer,  # IXMLDOMNode*
    dwSizeOfConfigIn: uint32,  # DWORD
    pConfigIn: ptr uint8,  # BYTE*
    pdwSizeOfCredentialsOut: ptr uint32,  # DWORD* out
    ppCredentialsOut: ptr uint8,  # BYTE** out
    pEapMethodType: ptr EAP_METHOD_TYPE,  # EAP_METHOD_TYPE* out
    ppEapError: ptr EAP_ERROR  # EAP_ERROR** out
): uint32 {.importc: "EapHostPeerCredentialsXml2Blob", stdcall, dynlib: "eappcfg.dll".}

pragma(lib, "eappcfg");
extern(Windows)
uint EapHostPeerCredentialsXml2Blob(
    uint dwFlags,   // DWORD
    void* pCredentialsDoc,   // IXMLDOMNode*
    uint dwSizeOfConfigIn,   // DWORD
    ubyte* pConfigIn,   // BYTE*
    uint* pdwSizeOfCredentialsOut,   // DWORD* out
    ubyte** ppCredentialsOut,   // BYTE** out
    EAP_METHOD_TYPE* pEapMethodType,   // EAP_METHOD_TYPE* out
    EAP_ERROR** ppEapError   // EAP_ERROR** out
);

ccall((:EapHostPeerCredentialsXml2Blob, "eappcfg.dll"), stdcall, UInt32,
      (UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}, Ptr{EAP_METHOD_TYPE}, Ptr{EAP_ERROR}),
      dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
# dwFlags : DWORD -> UInt32
# pCredentialsDoc : IXMLDOMNode* -> Ptr{Cvoid}
# dwSizeOfConfigIn : DWORD -> UInt32
# pConfigIn : BYTE* -> Ptr{UInt8}
# pdwSizeOfCredentialsOut : DWORD* out -> Ptr{UInt32}
# ppCredentialsOut : BYTE** out -> Ptr{UInt8}
# pEapMethodType : EAP_METHOD_TYPE* out -> Ptr{EAP_METHOD_TYPE}
# ppEapError : EAP_ERROR** out -> Ptr{EAP_ERROR}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t EapHostPeerCredentialsXml2Blob(
    uint32_t dwFlags,
    void* pCredentialsDoc,
    uint32_t dwSizeOfConfigIn,
    uint8_t* pConfigIn,
    uint32_t* pdwSizeOfCredentialsOut,
    uint8_t** ppCredentialsOut,
    void* pEapMethodType,
    void* ppEapError);
]]
local eappcfg = ffi.load("eappcfg")
-- eappcfg.EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
-- dwFlags : DWORD
-- pCredentialsDoc : IXMLDOMNode*
-- dwSizeOfConfigIn : DWORD
-- pConfigIn : BYTE*
-- pdwSizeOfCredentialsOut : DWORD* out
-- ppCredentialsOut : BYTE** out
-- pEapMethodType : EAP_METHOD_TYPE* out
-- ppEapError : EAP_ERROR** 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('eappcfg.dll');
const EapHostPeerCredentialsXml2Blob = lib.func('__stdcall', 'EapHostPeerCredentialsXml2Blob', 'uint32_t', ['uint32_t', 'void *', 'uint32_t', 'uint8_t *', 'uint32_t *', 'uint8_t *', 'void *', 'void *']);
// EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
// dwFlags : DWORD -> 'uint32_t'
// pCredentialsDoc : IXMLDOMNode* -> 'void *'
// dwSizeOfConfigIn : DWORD -> 'uint32_t'
// pConfigIn : BYTE* -> 'uint8_t *'
// pdwSizeOfCredentialsOut : DWORD* out -> 'uint32_t *'
// ppCredentialsOut : BYTE** out -> 'uint8_t *'
// pEapMethodType : EAP_METHOD_TYPE* out -> 'void *'
// ppEapError : EAP_ERROR** out -> 'void *'
// 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("eappcfg.dll", {
  EapHostPeerCredentialsXml2Blob: { parameters: ["u32", "pointer", "u32", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError)
// dwFlags : DWORD -> "u32"
// pCredentialsDoc : IXMLDOMNode* -> "pointer"
// dwSizeOfConfigIn : DWORD -> "u32"
// pConfigIn : BYTE* -> "pointer"
// pdwSizeOfCredentialsOut : DWORD* out -> "pointer"
// ppCredentialsOut : BYTE** out -> "pointer"
// pEapMethodType : EAP_METHOD_TYPE* out -> "pointer"
// ppEapError : EAP_ERROR** 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
uint32_t EapHostPeerCredentialsXml2Blob(
    uint32_t dwFlags,
    void* pCredentialsDoc,
    uint32_t dwSizeOfConfigIn,
    uint8_t* pConfigIn,
    uint32_t* pdwSizeOfCredentialsOut,
    uint8_t** ppCredentialsOut,
    void* pEapMethodType,
    void* ppEapError);
C, "eappcfg.dll");
// $ffi->EapHostPeerCredentialsXml2Blob(dwFlags, pCredentialsDoc, dwSizeOfConfigIn, pConfigIn, pdwSizeOfCredentialsOut, ppCredentialsOut, pEapMethodType, ppEapError);
// dwFlags : DWORD
// pCredentialsDoc : IXMLDOMNode*
// dwSizeOfConfigIn : DWORD
// pConfigIn : BYTE*
// pdwSizeOfCredentialsOut : DWORD* out
// ppCredentialsOut : BYTE** out
// pEapMethodType : EAP_METHOD_TYPE* out
// ppEapError : EAP_ERROR** 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 Eappcfg extends StdCallLibrary {
    Eappcfg INSTANCE = Native.load("eappcfg", Eappcfg.class);
    int EapHostPeerCredentialsXml2Blob(
        int dwFlags,   // DWORD
        Pointer pCredentialsDoc,   // IXMLDOMNode*
        int dwSizeOfConfigIn,   // DWORD
        byte[] pConfigIn,   // BYTE*
        IntByReference pdwSizeOfCredentialsOut,   // DWORD* out
        Pointer ppCredentialsOut,   // BYTE** out
        Pointer pEapMethodType,   // EAP_METHOD_TYPE* out
        Pointer ppEapError   // EAP_ERROR** out
    );
}

@[Link("eappcfg")]
lib Libeappcfg
  fun EapHostPeerCredentialsXml2Blob = EapHostPeerCredentialsXml2Blob(
    dwFlags : UInt32,   # DWORD
    pCredentialsDoc : Void*,   # IXMLDOMNode*
    dwSizeOfConfigIn : UInt32,   # DWORD
    pConfigIn : UInt8*,   # BYTE*
    pdwSizeOfCredentialsOut : UInt32*,   # DWORD* out
    ppCredentialsOut : UInt8**,   # BYTE** out
    pEapMethodType : EAP_METHOD_TYPE*,   # EAP_METHOD_TYPE* out
    ppEapError : EAP_ERROR**   # EAP_ERROR** out
  ) : UInt32
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 EapHostPeerCredentialsXml2BlobNative = Uint32 Function(Uint32, Pointer<Void>, Uint32, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Void>, Pointer<Void>);
typedef EapHostPeerCredentialsXml2BlobDart = int Function(int, Pointer<Void>, int, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Void>, Pointer<Void>);
final EapHostPeerCredentialsXml2Blob = DynamicLibrary.open('eappcfg.dll')
    .lookupFunction<EapHostPeerCredentialsXml2BlobNative, EapHostPeerCredentialsXml2BlobDart>('EapHostPeerCredentialsXml2Blob');
// dwFlags : DWORD -> Uint32
// pCredentialsDoc : IXMLDOMNode* -> Pointer<Void>
// dwSizeOfConfigIn : DWORD -> Uint32
// pConfigIn : BYTE* -> Pointer<Uint8>
// pdwSizeOfCredentialsOut : DWORD* out -> Pointer<Uint32>
// ppCredentialsOut : BYTE** out -> Pointer<Uint8>
// pEapMethodType : EAP_METHOD_TYPE* out -> Pointer<Void>
// ppEapError : EAP_ERROR** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function EapHostPeerCredentialsXml2Blob(
  dwFlags: DWORD;   // DWORD
  pCredentialsDoc: Pointer;   // IXMLDOMNode*
  dwSizeOfConfigIn: DWORD;   // DWORD
  pConfigIn: Pointer;   // BYTE*
  pdwSizeOfCredentialsOut: Pointer;   // DWORD* out
  ppCredentialsOut: Pointer;   // BYTE** out
  pEapMethodType: Pointer;   // EAP_METHOD_TYPE* out
  ppEapError: Pointer   // EAP_ERROR** out
): DWORD; stdcall;
  external 'eappcfg.dll' name 'EapHostPeerCredentialsXml2Blob';

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

foreign import stdcall safe "EapHostPeerCredentialsXml2Blob"
  c_EapHostPeerCredentialsXml2Blob :: Word32 -> Ptr () -> Word32 -> Ptr Word8 -> Ptr Word32 -> Ptr Word8 -> Ptr () -> Ptr () -> IO Word32
-- dwFlags : DWORD -> Word32
-- pCredentialsDoc : IXMLDOMNode* -> Ptr ()
-- dwSizeOfConfigIn : DWORD -> Word32
-- pConfigIn : BYTE* -> Ptr Word8
-- pdwSizeOfCredentialsOut : DWORD* out -> Ptr Word32
-- ppCredentialsOut : BYTE** out -> Ptr Word8
-- pEapMethodType : EAP_METHOD_TYPE* out -> Ptr ()
-- ppEapError : EAP_ERROR** 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 eaphostpeercredentialsxml2blob =
  foreign "EapHostPeerCredentialsXml2Blob"
    (uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint8_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* dwFlags : DWORD -> uint32_t *)
(* pCredentialsDoc : IXMLDOMNode* -> (ptr void) *)
(* dwSizeOfConfigIn : DWORD -> uint32_t *)
(* pConfigIn : BYTE* -> (ptr uint8_t) *)
(* pdwSizeOfCredentialsOut : DWORD* out -> (ptr uint32_t) *)
(* ppCredentialsOut : BYTE** out -> (ptr uint8_t) *)
(* pEapMethodType : EAP_METHOD_TYPE* out -> (ptr void) *)
(* ppEapError : EAP_ERROR** 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 eappcfg (t "eappcfg.dll"))
(cffi:use-foreign-library eappcfg)

(cffi:defcfun ("EapHostPeerCredentialsXml2Blob" eap-host-peer-credentials-xml2-blob :convention :stdcall) :uint32
  (dw-flags :uint32)   ; DWORD
  (p-credentials-doc :pointer)   ; IXMLDOMNode*
  (dw-size-of-config-in :uint32)   ; DWORD
  (p-config-in :pointer)   ; BYTE*
  (pdw-size-of-credentials-out :pointer)   ; DWORD* out
  (pp-credentials-out :pointer)   ; BYTE** out
  (p-eap-method-type :pointer)   ; EAP_METHOD_TYPE* out
  (pp-eap-error :pointer))   ; EAP_ERROR** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $EapHostPeerCredentialsXml2Blob = Win32::API::More->new('eappcfg',
    'DWORD EapHostPeerCredentialsXml2Blob(DWORD dwFlags, LPVOID pCredentialsDoc, DWORD dwSizeOfConfigIn, LPVOID pConfigIn, LPVOID pdwSizeOfCredentialsOut, LPVOID ppCredentialsOut, LPVOID pEapMethodType, LPVOID ppEapError)');
# my $ret = $EapHostPeerCredentialsXml2Blob->Call($dwFlags, $pCredentialsDoc, $dwSizeOfConfigIn, $pConfigIn, $pdwSizeOfCredentialsOut, $ppCredentialsOut, $pEapMethodType, $ppEapError);
# dwFlags : DWORD -> DWORD
# pCredentialsDoc : IXMLDOMNode* -> LPVOID
# dwSizeOfConfigIn : DWORD -> DWORD
# pConfigIn : BYTE* -> LPVOID
# pdwSizeOfCredentialsOut : DWORD* out -> LPVOID
# ppCredentialsOut : BYTE** out -> LPVOID
# pEapMethodType : EAP_METHOD_TYPE* out -> LPVOID
# ppEapError : EAP_ERROR** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

EapHostPeerCredentialsXml2Blob

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