CredPackAuthenticationBufferW

// credui.dll  (Unicode / -W)
#include <windows.h>

BOOL CredPackAuthenticationBufferW(
    CRED_PACK_FLAGS dwFlags,
    LPWSTR pszUserName,
    LPWSTR pszPassword,
    BYTE* pPackedCredentials,   // optional
    DWORD* pcbPackedCredentials
);

<DllImport("credui.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CredPackAuthenticationBufferW(
    dwFlags As UInteger,   ' CRED_PACK_FLAGS
    <MarshalAs(UnmanagedType.LPWStr)> pszUserName As String,   ' LPWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszPassword As String,   ' LPWSTR
    pPackedCredentials As IntPtr,   ' BYTE* optional, out
    ByRef pcbPackedCredentials As UInteger   ' DWORD* in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' dwFlags : CRED_PACK_FLAGS
' pszUserName : LPWSTR
' pszPassword : LPWSTR
' pPackedCredentials : BYTE* optional, out
' pcbPackedCredentials : DWORD* in/out
Declare PtrSafe Function CredPackAuthenticationBufferW Lib "credui" ( _
    ByVal dwFlags As Long, _
    ByVal pszUserName As LongPtr, _
    ByVal pszPassword As LongPtr, _
    ByVal pPackedCredentials As LongPtr, _
    ByRef pcbPackedCredentials As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CredPackAuthenticationBufferW = ctypes.windll.credui.CredPackAuthenticationBufferW
CredPackAuthenticationBufferW.restype = wintypes.BOOL
CredPackAuthenticationBufferW.argtypes = [
    wintypes.DWORD,  # dwFlags : CRED_PACK_FLAGS
    wintypes.LPCWSTR,  # pszUserName : LPWSTR
    wintypes.LPCWSTR,  # pszPassword : LPWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pPackedCredentials : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbPackedCredentials : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('credui.dll')
CredPackAuthenticationBufferW = Fiddle::Function.new(
  lib['CredPackAuthenticationBufferW'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : CRED_PACK_FLAGS
    Fiddle::TYPE_VOIDP,  # pszUserName : LPWSTR
    Fiddle::TYPE_VOIDP,  # pszPassword : LPWSTR
    Fiddle::TYPE_VOIDP,  # pPackedCredentials : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbPackedCredentials : DWORD* in/out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "credui")]
extern "system" {
    fn CredPackAuthenticationBufferW(
        dwFlags: u32,  // CRED_PACK_FLAGS
        pszUserName: *mut u16,  // LPWSTR
        pszPassword: *mut u16,  // LPWSTR
        pPackedCredentials: *mut u8,  // BYTE* optional, out
        pcbPackedCredentials: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("credui.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool CredPackAuthenticationBufferW(uint dwFlags, [MarshalAs(UnmanagedType.LPWStr)] string pszUserName, [MarshalAs(UnmanagedType.LPWStr)] string pszPassword, IntPtr pPackedCredentials, ref uint pcbPackedCredentials);
"@
$api = Add-Type -MemberDefinition $sig -Name 'credui_CredPackAuthenticationBufferW' -Namespace Win32 -PassThru
# $api::CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials)

#uselib "credui.dll"
#func global CredPackAuthenticationBufferW "CredPackAuthenticationBufferW" wptr, wptr, wptr, wptr, wptr
; CredPackAuthenticationBufferW dwFlags, pszUserName, pszPassword, varptr(pPackedCredentials), varptr(pcbPackedCredentials)   ; 戻り値は stat
; dwFlags : CRED_PACK_FLAGS -> "wptr"
; pszUserName : LPWSTR -> "wptr"
; pszPassword : LPWSTR -> "wptr"
; pPackedCredentials : BYTE* optional, out -> "wptr"
; pcbPackedCredentials : DWORD* in/out -> "wptr"
; ※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 (
	credui = windows.NewLazySystemDLL("credui.dll")
	procCredPackAuthenticationBufferW = credui.NewProc("CredPackAuthenticationBufferW")
)

// dwFlags (CRED_PACK_FLAGS), pszUserName (LPWSTR), pszPassword (LPWSTR), pPackedCredentials (BYTE* optional, out), pcbPackedCredentials (DWORD* in/out)
r1, _, err := procCredPackAuthenticationBufferW.Call(
	uintptr(dwFlags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszUserName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszPassword))),
	uintptr(pPackedCredentials),
	uintptr(pcbPackedCredentials),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CredPackAuthenticationBufferW(
  dwFlags: DWORD;   // CRED_PACK_FLAGS
  pszUserName: PWideChar;   // LPWSTR
  pszPassword: PWideChar;   // LPWSTR
  pPackedCredentials: Pointer;   // BYTE* optional, out
  pcbPackedCredentials: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'credui.dll' name 'CredPackAuthenticationBufferW';

result := DllCall("credui\CredPackAuthenticationBufferW"
    , "UInt", dwFlags   ; CRED_PACK_FLAGS
    , "WStr", pszUserName   ; LPWSTR
    , "WStr", pszPassword   ; LPWSTR
    , "Ptr", pPackedCredentials   ; BYTE* optional, out
    , "Ptr", pcbPackedCredentials   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials) = DLL("credui.dll", "bool CredPackAuthenticationBufferW(dword, char*, char*, void*, void*)")
# 呼び出し: CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials)
# dwFlags : CRED_PACK_FLAGS -> "dword"
# pszUserName : LPWSTR -> "char*"
# pszPassword : LPWSTR -> "char*"
# pPackedCredentials : BYTE* optional, out -> "void*"
# pcbPackedCredentials : DWORD* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "credui" fn CredPackAuthenticationBufferW(
    dwFlags: u32, // CRED_PACK_FLAGS
    pszUserName: [*c]const u16, // LPWSTR
    pszPassword: [*c]const u16, // LPWSTR
    pPackedCredentials: [*c]u8, // BYTE* optional, out
    pcbPackedCredentials: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CredPackAuthenticationBufferW(
    dwFlags: uint32,  # CRED_PACK_FLAGS
    pszUserName: WideCString,  # LPWSTR
    pszPassword: WideCString,  # LPWSTR
    pPackedCredentials: ptr uint8,  # BYTE* optional, out
    pcbPackedCredentials: ptr uint32  # DWORD* in/out
): int32 {.importc: "CredPackAuthenticationBufferW", stdcall, dynlib: "credui.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "credui");
extern(Windows)
int CredPackAuthenticationBufferW(
    uint dwFlags,   // CRED_PACK_FLAGS
    const(wchar)* pszUserName,   // LPWSTR
    const(wchar)* pszPassword,   // LPWSTR
    ubyte* pPackedCredentials,   // BYTE* optional, out
    uint* pcbPackedCredentials   // DWORD* in/out
);

ccall((:CredPackAuthenticationBufferW, "credui.dll"), stdcall, Int32,
      (UInt32, Cwstring, Cwstring, Ptr{UInt8}, Ptr{UInt32}),
      dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials)
# dwFlags : CRED_PACK_FLAGS -> UInt32
# pszUserName : LPWSTR -> Cwstring
# pszPassword : LPWSTR -> Cwstring
# pPackedCredentials : BYTE* optional, out -> Ptr{UInt8}
# pcbPackedCredentials : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t CredPackAuthenticationBufferW(
    uint32_t dwFlags,
    const uint16_t* pszUserName,
    const uint16_t* pszPassword,
    uint8_t* pPackedCredentials,
    uint32_t* pcbPackedCredentials);
]]
local credui = ffi.load("credui")
-- credui.CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials)
-- dwFlags : CRED_PACK_FLAGS
-- pszUserName : LPWSTR
-- pszPassword : LPWSTR
-- pPackedCredentials : BYTE* optional, out
-- pcbPackedCredentials : DWORD* 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('credui.dll');
const CredPackAuthenticationBufferW = lib.func('__stdcall', 'CredPackAuthenticationBufferW', 'int32_t', ['uint32_t', 'str16', 'str16', 'uint8_t *', 'uint32_t *']);
// CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials)
// dwFlags : CRED_PACK_FLAGS -> 'uint32_t'
// pszUserName : LPWSTR -> 'str16'
// pszPassword : LPWSTR -> 'str16'
// pPackedCredentials : BYTE* optional, out -> 'uint8_t *'
// pcbPackedCredentials : DWORD* in/out -> '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("credui.dll", {
  CredPackAuthenticationBufferW: { parameters: ["u32", "buffer", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials)
// dwFlags : CRED_PACK_FLAGS -> "u32"
// pszUserName : LPWSTR -> "buffer"
// pszPassword : LPWSTR -> "buffer"
// pPackedCredentials : BYTE* optional, out -> "pointer"
// pcbPackedCredentials : DWORD* in/out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 CredPackAuthenticationBufferW(
    uint32_t dwFlags,
    const uint16_t* pszUserName,
    const uint16_t* pszPassword,
    uint8_t* pPackedCredentials,
    uint32_t* pcbPackedCredentials);
C, "credui.dll");
// $ffi->CredPackAuthenticationBufferW(dwFlags, pszUserName, pszPassword, pPackedCredentials, pcbPackedCredentials);
// dwFlags : CRED_PACK_FLAGS
// pszUserName : LPWSTR
// pszPassword : LPWSTR
// pPackedCredentials : BYTE* optional, out
// pcbPackedCredentials : DWORD* 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 Credui extends StdCallLibrary {
    Credui INSTANCE = Native.load("credui", Credui.class, W32APIOptions.UNICODE_OPTIONS);
    boolean CredPackAuthenticationBufferW(
        int dwFlags,   // CRED_PACK_FLAGS
        WString pszUserName,   // LPWSTR
        WString pszPassword,   // LPWSTR
        byte[] pPackedCredentials,   // BYTE* optional, out
        IntByReference pcbPackedCredentials   // DWORD* in/out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("credui")]
lib Libcredui
  fun CredPackAuthenticationBufferW = CredPackAuthenticationBufferW(
    dwFlags : UInt32,   # CRED_PACK_FLAGS
    pszUserName : UInt16*,   # LPWSTR
    pszPassword : UInt16*,   # LPWSTR
    pPackedCredentials : UInt8*,   # BYTE* optional, out
    pcbPackedCredentials : UInt32*   # DWORD* 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 CredPackAuthenticationBufferWNative = Int32 Function(Uint32, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint8>, Pointer<Uint32>);
typedef CredPackAuthenticationBufferWDart = int Function(int, Pointer<Utf16>, Pointer<Utf16>, Pointer<Uint8>, Pointer<Uint32>);
final CredPackAuthenticationBufferW = DynamicLibrary.open('credui.dll')
    .lookupFunction<CredPackAuthenticationBufferWNative, CredPackAuthenticationBufferWDart>('CredPackAuthenticationBufferW');
// dwFlags : CRED_PACK_FLAGS -> Uint32
// pszUserName : LPWSTR -> Pointer<Utf16>
// pszPassword : LPWSTR -> Pointer<Utf16>
// pPackedCredentials : BYTE* optional, out -> Pointer<Uint8>
// pcbPackedCredentials : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CredPackAuthenticationBufferW(
  dwFlags: DWORD;   // CRED_PACK_FLAGS
  pszUserName: PWideChar;   // LPWSTR
  pszPassword: PWideChar;   // LPWSTR
  pPackedCredentials: Pointer;   // BYTE* optional, out
  pcbPackedCredentials: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'credui.dll' name 'CredPackAuthenticationBufferW';

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

foreign import stdcall safe "CredPackAuthenticationBufferW"
  c_CredPackAuthenticationBufferW :: Word32 -> CWString -> CWString -> Ptr Word8 -> Ptr Word32 -> IO CInt
-- dwFlags : CRED_PACK_FLAGS -> Word32
-- pszUserName : LPWSTR -> CWString
-- pszPassword : LPWSTR -> CWString
-- pPackedCredentials : BYTE* optional, out -> Ptr Word8
-- pcbPackedCredentials : DWORD* in/out -> Ptr 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 credpackauthenticationbufferw =
  foreign "CredPackAuthenticationBufferW"
    (uint32_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> returning int32_t)
(* dwFlags : CRED_PACK_FLAGS -> uint32_t *)
(* pszUserName : LPWSTR -> (ptr uint16_t) *)
(* pszPassword : LPWSTR -> (ptr uint16_t) *)
(* pPackedCredentials : BYTE* optional, out -> (ptr uint8_t) *)
(* pcbPackedCredentials : DWORD* in/out -> (ptr 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 credui (t "credui.dll"))
(cffi:use-foreign-library credui)

(cffi:defcfun ("CredPackAuthenticationBufferW" cred-pack-authentication-buffer-w :convention :stdcall) :int32
  (dw-flags :uint32)   ; CRED_PACK_FLAGS
  (psz-user-name (:string :encoding :utf-16le))   ; LPWSTR
  (psz-password (:string :encoding :utf-16le))   ; LPWSTR
  (p-packed-credentials :pointer)   ; BYTE* optional, out
  (pcb-packed-credentials :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CredPackAuthenticationBufferW = Win32::API::More->new('credui',
    'BOOL CredPackAuthenticationBufferW(DWORD dwFlags, LPCWSTR pszUserName, LPCWSTR pszPassword, LPVOID pPackedCredentials, LPVOID pcbPackedCredentials)');
# my $ret = $CredPackAuthenticationBufferW->Call($dwFlags, $pszUserName, $pszPassword, $pPackedCredentials, $pcbPackedCredentials);
# dwFlags : CRED_PACK_FLAGS -> DWORD
# pszUserName : LPWSTR -> LPCWSTR
# pszPassword : LPWSTR -> LPCWSTR
# pPackedCredentials : BYTE* optional, out -> LPVOID
# pcbPackedCredentials : DWORD* 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。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。