SaslInitializeSecurityContextW

// SECUR32.dll  (Unicode / -W)
#include <windows.h>

HRESULT SaslInitializeSecurityContextW(
    SecHandle* phCredential,   // optional
    SecHandle* phContext,   // optional
    LPWSTR pszTargetName,   // optional
    ISC_REQ_FLAGS fContextReq,
    DWORD Reserved1,
    DWORD TargetDataRep,
    SecBufferDesc* pInput,   // optional
    DWORD Reserved2,
    SecHandle* phNewContext,   // optional
    SecBufferDesc* pOutput,   // optional
    DWORD* pfContextAttr,
    LONGLONG* ptsExpiry   // optional
);

<DllImport("SECUR32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function SaslInitializeSecurityContextW(
    phCredential As IntPtr,   ' SecHandle* optional
    phContext As IntPtr,   ' SecHandle* optional
    <MarshalAs(UnmanagedType.LPWStr)> pszTargetName As String,   ' LPWSTR optional
    fContextReq As UInteger,   ' ISC_REQ_FLAGS
    Reserved1 As UInteger,   ' DWORD
    TargetDataRep As UInteger,   ' DWORD
    pInput As IntPtr,   ' SecBufferDesc* optional
    Reserved2 As UInteger,   ' DWORD
    phNewContext As IntPtr,   ' SecHandle* optional, in/out
    pOutput As IntPtr,   ' SecBufferDesc* optional, in/out
    <Out> ByRef pfContextAttr As UInteger,   ' DWORD* out
    ptsExpiry As IntPtr   ' LONGLONG* optional, out
) As Integer
End Function

' phCredential : SecHandle* optional
' phContext : SecHandle* optional
' pszTargetName : LPWSTR optional
' fContextReq : ISC_REQ_FLAGS
' Reserved1 : DWORD
' TargetDataRep : DWORD
' pInput : SecBufferDesc* optional
' Reserved2 : DWORD
' phNewContext : SecHandle* optional, in/out
' pOutput : SecBufferDesc* optional, in/out
' pfContextAttr : DWORD* out
' ptsExpiry : LONGLONG* optional, out
Declare PtrSafe Function SaslInitializeSecurityContextW Lib "secur32" ( _
    ByVal phCredential As LongPtr, _
    ByVal phContext As LongPtr, _
    ByVal pszTargetName As LongPtr, _
    ByVal fContextReq As Long, _
    ByVal Reserved1 As Long, _
    ByVal TargetDataRep As Long, _
    ByVal pInput As LongPtr, _
    ByVal Reserved2 As Long, _
    ByVal phNewContext As LongPtr, _
    ByVal pOutput As LongPtr, _
    ByRef pfContextAttr As Long, _
    ByVal ptsExpiry As LongPtr) 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

SaslInitializeSecurityContextW = ctypes.windll.secur32.SaslInitializeSecurityContextW
SaslInitializeSecurityContextW.restype = ctypes.c_int
SaslInitializeSecurityContextW.argtypes = [
    ctypes.c_void_p,  # phCredential : SecHandle* optional
    ctypes.c_void_p,  # phContext : SecHandle* optional
    wintypes.LPCWSTR,  # pszTargetName : LPWSTR optional
    wintypes.DWORD,  # fContextReq : ISC_REQ_FLAGS
    wintypes.DWORD,  # Reserved1 : DWORD
    wintypes.DWORD,  # TargetDataRep : DWORD
    ctypes.c_void_p,  # pInput : SecBufferDesc* optional
    wintypes.DWORD,  # Reserved2 : DWORD
    ctypes.c_void_p,  # phNewContext : SecHandle* optional, in/out
    ctypes.c_void_p,  # pOutput : SecBufferDesc* optional, in/out
    ctypes.POINTER(wintypes.DWORD),  # pfContextAttr : DWORD* out
    ctypes.POINTER(ctypes.c_longlong),  # ptsExpiry : LONGLONG* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
SaslInitializeSecurityContextW = Fiddle::Function.new(
  lib['SaslInitializeSecurityContextW'],
  [
    Fiddle::TYPE_VOIDP,  # phCredential : SecHandle* optional
    Fiddle::TYPE_VOIDP,  # phContext : SecHandle* optional
    Fiddle::TYPE_VOIDP,  # pszTargetName : LPWSTR optional
    -Fiddle::TYPE_INT,  # fContextReq : ISC_REQ_FLAGS
    -Fiddle::TYPE_INT,  # Reserved1 : DWORD
    -Fiddle::TYPE_INT,  # TargetDataRep : DWORD
    Fiddle::TYPE_VOIDP,  # pInput : SecBufferDesc* optional
    -Fiddle::TYPE_INT,  # Reserved2 : DWORD
    Fiddle::TYPE_VOIDP,  # phNewContext : SecHandle* optional, in/out
    Fiddle::TYPE_VOIDP,  # pOutput : SecBufferDesc* optional, in/out
    Fiddle::TYPE_VOIDP,  # pfContextAttr : DWORD* out
    Fiddle::TYPE_VOIDP,  # ptsExpiry : LONGLONG* optional, out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "secur32")]
extern "system" {
    fn SaslInitializeSecurityContextW(
        phCredential: *mut SecHandle,  // SecHandle* optional
        phContext: *mut SecHandle,  // SecHandle* optional
        pszTargetName: *mut u16,  // LPWSTR optional
        fContextReq: u32,  // ISC_REQ_FLAGS
        Reserved1: u32,  // DWORD
        TargetDataRep: u32,  // DWORD
        pInput: *mut SecBufferDesc,  // SecBufferDesc* optional
        Reserved2: u32,  // DWORD
        phNewContext: *mut SecHandle,  // SecHandle* optional, in/out
        pOutput: *mut SecBufferDesc,  // SecBufferDesc* optional, in/out
        pfContextAttr: *mut u32,  // DWORD* out
        ptsExpiry: *mut i64  // LONGLONG* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll", CharSet = CharSet.Unicode)]
public static extern int SaslInitializeSecurityContextW(IntPtr phCredential, IntPtr phContext, [MarshalAs(UnmanagedType.LPWStr)] string pszTargetName, uint fContextReq, uint Reserved1, uint TargetDataRep, IntPtr pInput, uint Reserved2, IntPtr phNewContext, IntPtr pOutput, out uint pfContextAttr, IntPtr ptsExpiry);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_SaslInitializeSecurityContextW' -Namespace Win32 -PassThru
# $api::SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry)

#uselib "SECUR32.dll"
#func global SaslInitializeSecurityContextW "SaslInitializeSecurityContextW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; SaslInitializeSecurityContextW varptr(phCredential), varptr(phContext), pszTargetName, fContextReq, Reserved1, TargetDataRep, varptr(pInput), Reserved2, varptr(phNewContext), varptr(pOutput), varptr(pfContextAttr), varptr(ptsExpiry)   ; 戻り値は stat
; phCredential : SecHandle* optional -> "wptr"
; phContext : SecHandle* optional -> "wptr"
; pszTargetName : LPWSTR optional -> "wptr"
; fContextReq : ISC_REQ_FLAGS -> "wptr"
; Reserved1 : DWORD -> "wptr"
; TargetDataRep : DWORD -> "wptr"
; pInput : SecBufferDesc* optional -> "wptr"
; Reserved2 : DWORD -> "wptr"
; phNewContext : SecHandle* optional, in/out -> "wptr"
; pOutput : SecBufferDesc* optional, in/out -> "wptr"
; pfContextAttr : DWORD* out -> "wptr"
; ptsExpiry : LONGLONG* optional, 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 (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procSaslInitializeSecurityContextW = secur32.NewProc("SaslInitializeSecurityContextW")
)

// phCredential (SecHandle* optional), phContext (SecHandle* optional), pszTargetName (LPWSTR optional), fContextReq (ISC_REQ_FLAGS), Reserved1 (DWORD), TargetDataRep (DWORD), pInput (SecBufferDesc* optional), Reserved2 (DWORD), phNewContext (SecHandle* optional, in/out), pOutput (SecBufferDesc* optional, in/out), pfContextAttr (DWORD* out), ptsExpiry (LONGLONG* optional, out)
r1, _, err := procSaslInitializeSecurityContextW.Call(
	uintptr(phCredential),
	uintptr(phContext),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszTargetName))),
	uintptr(fContextReq),
	uintptr(Reserved1),
	uintptr(TargetDataRep),
	uintptr(pInput),
	uintptr(Reserved2),
	uintptr(phNewContext),
	uintptr(pOutput),
	uintptr(pfContextAttr),
	uintptr(ptsExpiry),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SaslInitializeSecurityContextW(
  phCredential: Pointer;   // SecHandle* optional
  phContext: Pointer;   // SecHandle* optional
  pszTargetName: PWideChar;   // LPWSTR optional
  fContextReq: DWORD;   // ISC_REQ_FLAGS
  Reserved1: DWORD;   // DWORD
  TargetDataRep: DWORD;   // DWORD
  pInput: Pointer;   // SecBufferDesc* optional
  Reserved2: DWORD;   // DWORD
  phNewContext: Pointer;   // SecHandle* optional, in/out
  pOutput: Pointer;   // SecBufferDesc* optional, in/out
  pfContextAttr: Pointer;   // DWORD* out
  ptsExpiry: Pointer   // LONGLONG* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'SaslInitializeSecurityContextW';

result := DllCall("SECUR32\SaslInitializeSecurityContextW"
    , "Ptr", phCredential   ; SecHandle* optional
    , "Ptr", phContext   ; SecHandle* optional
    , "WStr", pszTargetName   ; LPWSTR optional
    , "UInt", fContextReq   ; ISC_REQ_FLAGS
    , "UInt", Reserved1   ; DWORD
    , "UInt", TargetDataRep   ; DWORD
    , "Ptr", pInput   ; SecBufferDesc* optional
    , "UInt", Reserved2   ; DWORD
    , "Ptr", phNewContext   ; SecHandle* optional, in/out
    , "Ptr", pOutput   ; SecBufferDesc* optional, in/out
    , "Ptr", pfContextAttr   ; DWORD* out
    , "Ptr", ptsExpiry   ; LONGLONG* optional, out
    , "Int")   ; return: HRESULT

●SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry) = DLL("SECUR32.dll", "int SaslInitializeSecurityContextW(void*, void*, char*, dword, dword, dword, void*, dword, void*, void*, void*, void*)")
# 呼び出し: SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry)
# phCredential : SecHandle* optional -> "void*"
# phContext : SecHandle* optional -> "void*"
# pszTargetName : LPWSTR optional -> "char*"
# fContextReq : ISC_REQ_FLAGS -> "dword"
# Reserved1 : DWORD -> "dword"
# TargetDataRep : DWORD -> "dword"
# pInput : SecBufferDesc* optional -> "void*"
# Reserved2 : DWORD -> "dword"
# phNewContext : SecHandle* optional, in/out -> "void*"
# pOutput : SecBufferDesc* optional, in/out -> "void*"
# pfContextAttr : DWORD* out -> "void*"
# ptsExpiry : LONGLONG* 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)。
# ※-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 "secur32" fn SaslInitializeSecurityContextW(
    phCredential: [*c]SecHandle, // SecHandle* optional
    phContext: [*c]SecHandle, // SecHandle* optional
    pszTargetName: [*c]const u16, // LPWSTR optional
    fContextReq: u32, // ISC_REQ_FLAGS
    Reserved1: u32, // DWORD
    TargetDataRep: u32, // DWORD
    pInput: [*c]SecBufferDesc, // SecBufferDesc* optional
    Reserved2: u32, // DWORD
    phNewContext: [*c]SecHandle, // SecHandle* optional, in/out
    pOutput: [*c]SecBufferDesc, // SecBufferDesc* optional, in/out
    pfContextAttr: [*c]u32, // DWORD* out
    ptsExpiry: [*c]i64 // LONGLONG* optional, 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 SaslInitializeSecurityContextW(
    phCredential: ptr SecHandle,  # SecHandle* optional
    phContext: ptr SecHandle,  # SecHandle* optional
    pszTargetName: WideCString,  # LPWSTR optional
    fContextReq: uint32,  # ISC_REQ_FLAGS
    Reserved1: uint32,  # DWORD
    TargetDataRep: uint32,  # DWORD
    pInput: ptr SecBufferDesc,  # SecBufferDesc* optional
    Reserved2: uint32,  # DWORD
    phNewContext: ptr SecHandle,  # SecHandle* optional, in/out
    pOutput: ptr SecBufferDesc,  # SecBufferDesc* optional, in/out
    pfContextAttr: ptr uint32,  # DWORD* out
    ptsExpiry: ptr int64  # LONGLONG* optional, out
): int32 {.importc: "SaslInitializeSecurityContextW", stdcall, dynlib: "SECUR32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "secur32");
extern(Windows)
int SaslInitializeSecurityContextW(
    SecHandle* phCredential,   // SecHandle* optional
    SecHandle* phContext,   // SecHandle* optional
    const(wchar)* pszTargetName,   // LPWSTR optional
    uint fContextReq,   // ISC_REQ_FLAGS
    uint Reserved1,   // DWORD
    uint TargetDataRep,   // DWORD
    SecBufferDesc* pInput,   // SecBufferDesc* optional
    uint Reserved2,   // DWORD
    SecHandle* phNewContext,   // SecHandle* optional, in/out
    SecBufferDesc* pOutput,   // SecBufferDesc* optional, in/out
    uint* pfContextAttr,   // DWORD* out
    long* ptsExpiry   // LONGLONG* optional, out
);

ccall((:SaslInitializeSecurityContextW, "SECUR32.dll"), stdcall, Int32,
      (Ptr{SecHandle}, Ptr{SecHandle}, Cwstring, UInt32, UInt32, UInt32, Ptr{SecBufferDesc}, UInt32, Ptr{SecHandle}, Ptr{SecBufferDesc}, Ptr{UInt32}, Ptr{Int64}),
      phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry)
# phCredential : SecHandle* optional -> Ptr{SecHandle}
# phContext : SecHandle* optional -> Ptr{SecHandle}
# pszTargetName : LPWSTR optional -> Cwstring
# fContextReq : ISC_REQ_FLAGS -> UInt32
# Reserved1 : DWORD -> UInt32
# TargetDataRep : DWORD -> UInt32
# pInput : SecBufferDesc* optional -> Ptr{SecBufferDesc}
# Reserved2 : DWORD -> UInt32
# phNewContext : SecHandle* optional, in/out -> Ptr{SecHandle}
# pOutput : SecBufferDesc* optional, in/out -> Ptr{SecBufferDesc}
# pfContextAttr : DWORD* out -> Ptr{UInt32}
# ptsExpiry : LONGLONG* optional, out -> Ptr{Int64}
# 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 SaslInitializeSecurityContextW(
    void* phCredential,
    void* phContext,
    const uint16_t* pszTargetName,
    uint32_t fContextReq,
    uint32_t Reserved1,
    uint32_t TargetDataRep,
    void* pInput,
    uint32_t Reserved2,
    void* phNewContext,
    void* pOutput,
    uint32_t* pfContextAttr,
    int64_t* ptsExpiry);
]]
local secur32 = ffi.load("secur32")
-- secur32.SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry)
-- phCredential : SecHandle* optional
-- phContext : SecHandle* optional
-- pszTargetName : LPWSTR optional
-- fContextReq : ISC_REQ_FLAGS
-- Reserved1 : DWORD
-- TargetDataRep : DWORD
-- pInput : SecBufferDesc* optional
-- Reserved2 : DWORD
-- phNewContext : SecHandle* optional, in/out
-- pOutput : SecBufferDesc* optional, in/out
-- pfContextAttr : DWORD* out
-- ptsExpiry : LONGLONG* 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。
-- 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('SECUR32.dll');
const SaslInitializeSecurityContextW = lib.func('__stdcall', 'SaslInitializeSecurityContextW', 'int32_t', ['void *', 'void *', 'str16', 'uint32_t', 'uint32_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'void *', 'uint32_t *', 'int64_t *']);
// SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry)
// phCredential : SecHandle* optional -> 'void *'
// phContext : SecHandle* optional -> 'void *'
// pszTargetName : LPWSTR optional -> 'str16'
// fContextReq : ISC_REQ_FLAGS -> 'uint32_t'
// Reserved1 : DWORD -> 'uint32_t'
// TargetDataRep : DWORD -> 'uint32_t'
// pInput : SecBufferDesc* optional -> 'void *'
// Reserved2 : DWORD -> 'uint32_t'
// phNewContext : SecHandle* optional, in/out -> 'void *'
// pOutput : SecBufferDesc* optional, in/out -> 'void *'
// pfContextAttr : DWORD* out -> 'uint32_t *'
// ptsExpiry : LONGLONG* optional, out -> 'int64_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("SECUR32.dll", {
  SaslInitializeSecurityContextW: { parameters: ["pointer", "pointer", "buffer", "u32", "u32", "u32", "pointer", "u32", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry)
// phCredential : SecHandle* optional -> "pointer"
// phContext : SecHandle* optional -> "pointer"
// pszTargetName : LPWSTR optional -> "buffer"
// fContextReq : ISC_REQ_FLAGS -> "u32"
// Reserved1 : DWORD -> "u32"
// TargetDataRep : DWORD -> "u32"
// pInput : SecBufferDesc* optional -> "pointer"
// Reserved2 : DWORD -> "u32"
// phNewContext : SecHandle* optional, in/out -> "pointer"
// pOutput : SecBufferDesc* optional, in/out -> "pointer"
// pfContextAttr : DWORD* out -> "pointer"
// ptsExpiry : LONGLONG* optional, 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 SaslInitializeSecurityContextW(
    void* phCredential,
    void* phContext,
    const uint16_t* pszTargetName,
    uint32_t fContextReq,
    uint32_t Reserved1,
    uint32_t TargetDataRep,
    void* pInput,
    uint32_t Reserved2,
    void* phNewContext,
    void* pOutput,
    uint32_t* pfContextAttr,
    int64_t* ptsExpiry);
C, "SECUR32.dll");
// $ffi->SaslInitializeSecurityContextW(phCredential, phContext, pszTargetName, fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, phNewContext, pOutput, pfContextAttr, ptsExpiry);
// phCredential : SecHandle* optional
// phContext : SecHandle* optional
// pszTargetName : LPWSTR optional
// fContextReq : ISC_REQ_FLAGS
// Reserved1 : DWORD
// TargetDataRep : DWORD
// pInput : SecBufferDesc* optional
// Reserved2 : DWORD
// phNewContext : SecHandle* optional, in/out
// pOutput : SecBufferDesc* optional, in/out
// pfContextAttr : DWORD* out
// ptsExpiry : LONGLONG* 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 Secur32 extends StdCallLibrary {
    Secur32 INSTANCE = Native.load("secur32", Secur32.class, W32APIOptions.UNICODE_OPTIONS);
    int SaslInitializeSecurityContextW(
        Pointer phCredential,   // SecHandle* optional
        Pointer phContext,   // SecHandle* optional
        WString pszTargetName,   // LPWSTR optional
        int fContextReq,   // ISC_REQ_FLAGS
        int Reserved1,   // DWORD
        int TargetDataRep,   // DWORD
        Pointer pInput,   // SecBufferDesc* optional
        int Reserved2,   // DWORD
        Pointer phNewContext,   // SecHandle* optional, in/out
        Pointer pOutput,   // SecBufferDesc* optional, in/out
        IntByReference pfContextAttr,   // DWORD* out
        LongByReference ptsExpiry   // LONGLONG* optional, out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("secur32")]
lib LibSECUR32
  fun SaslInitializeSecurityContextW = SaslInitializeSecurityContextW(
    phCredential : SecHandle*,   # SecHandle* optional
    phContext : SecHandle*,   # SecHandle* optional
    pszTargetName : UInt16*,   # LPWSTR optional
    fContextReq : UInt32,   # ISC_REQ_FLAGS
    Reserved1 : UInt32,   # DWORD
    TargetDataRep : UInt32,   # DWORD
    pInput : SecBufferDesc*,   # SecBufferDesc* optional
    Reserved2 : UInt32,   # DWORD
    phNewContext : SecHandle*,   # SecHandle* optional, in/out
    pOutput : SecBufferDesc*,   # SecBufferDesc* optional, in/out
    pfContextAttr : UInt32*,   # DWORD* out
    ptsExpiry : Int64*   # LONGLONG* 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 SaslInitializeSecurityContextWNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Utf16>, Uint32, Uint32, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Int64>);
typedef SaslInitializeSecurityContextWDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Utf16>, int, int, int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>, Pointer<Uint32>, Pointer<Int64>);
final SaslInitializeSecurityContextW = DynamicLibrary.open('SECUR32.dll')
    .lookupFunction<SaslInitializeSecurityContextWNative, SaslInitializeSecurityContextWDart>('SaslInitializeSecurityContextW');
// phCredential : SecHandle* optional -> Pointer<Void>
// phContext : SecHandle* optional -> Pointer<Void>
// pszTargetName : LPWSTR optional -> Pointer<Utf16>
// fContextReq : ISC_REQ_FLAGS -> Uint32
// Reserved1 : DWORD -> Uint32
// TargetDataRep : DWORD -> Uint32
// pInput : SecBufferDesc* optional -> Pointer<Void>
// Reserved2 : DWORD -> Uint32
// phNewContext : SecHandle* optional, in/out -> Pointer<Void>
// pOutput : SecBufferDesc* optional, in/out -> Pointer<Void>
// pfContextAttr : DWORD* out -> Pointer<Uint32>
// ptsExpiry : LONGLONG* optional, out -> Pointer<Int64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SaslInitializeSecurityContextW(
  phCredential: Pointer;   // SecHandle* optional
  phContext: Pointer;   // SecHandle* optional
  pszTargetName: PWideChar;   // LPWSTR optional
  fContextReq: DWORD;   // ISC_REQ_FLAGS
  Reserved1: DWORD;   // DWORD
  TargetDataRep: DWORD;   // DWORD
  pInput: Pointer;   // SecBufferDesc* optional
  Reserved2: DWORD;   // DWORD
  phNewContext: Pointer;   // SecHandle* optional, in/out
  pOutput: Pointer;   // SecBufferDesc* optional, in/out
  pfContextAttr: Pointer;   // DWORD* out
  ptsExpiry: Pointer   // LONGLONG* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'SaslInitializeSecurityContextW';

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

foreign import stdcall safe "SaslInitializeSecurityContextW"
  c_SaslInitializeSecurityContextW :: Ptr () -> Ptr () -> CWString -> Word32 -> Word32 -> Word32 -> Ptr () -> Word32 -> Ptr () -> Ptr () -> Ptr Word32 -> Ptr Int64 -> IO Int32
-- phCredential : SecHandle* optional -> Ptr ()
-- phContext : SecHandle* optional -> Ptr ()
-- pszTargetName : LPWSTR optional -> CWString
-- fContextReq : ISC_REQ_FLAGS -> Word32
-- Reserved1 : DWORD -> Word32
-- TargetDataRep : DWORD -> Word32
-- pInput : SecBufferDesc* optional -> Ptr ()
-- Reserved2 : DWORD -> Word32
-- phNewContext : SecHandle* optional, in/out -> Ptr ()
-- pOutput : SecBufferDesc* optional, in/out -> Ptr ()
-- pfContextAttr : DWORD* out -> Ptr Word32
-- ptsExpiry : LONGLONG* optional, out -> Ptr Int64
-- 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 saslinitializesecuritycontextw =
  foreign "SaslInitializeSecurityContextW"
    ((ptr void) @-> (ptr void) @-> (ptr uint16_t) @-> uint32_t @-> uint32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> (ptr int64_t) @-> returning int32_t)
(* phCredential : SecHandle* optional -> (ptr void) *)
(* phContext : SecHandle* optional -> (ptr void) *)
(* pszTargetName : LPWSTR optional -> (ptr uint16_t) *)
(* fContextReq : ISC_REQ_FLAGS -> uint32_t *)
(* Reserved1 : DWORD -> uint32_t *)
(* TargetDataRep : DWORD -> uint32_t *)
(* pInput : SecBufferDesc* optional -> (ptr void) *)
(* Reserved2 : DWORD -> uint32_t *)
(* phNewContext : SecHandle* optional, in/out -> (ptr void) *)
(* pOutput : SecBufferDesc* optional, in/out -> (ptr void) *)
(* pfContextAttr : DWORD* out -> (ptr uint32_t) *)
(* ptsExpiry : LONGLONG* optional, out -> (ptr int64_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 secur32 (t "SECUR32.dll"))
(cffi:use-foreign-library secur32)

(cffi:defcfun ("SaslInitializeSecurityContextW" sasl-initialize-security-context-w :convention :stdcall) :int32
  (ph-credential :pointer)   ; SecHandle* optional
  (ph-context :pointer)   ; SecHandle* optional
  (psz-target-name (:string :encoding :utf-16le))   ; LPWSTR optional
  (f-context-req :uint32)   ; ISC_REQ_FLAGS
  (reserved1 :uint32)   ; DWORD
  (target-data-rep :uint32)   ; DWORD
  (p-input :pointer)   ; SecBufferDesc* optional
  (reserved2 :uint32)   ; DWORD
  (ph-new-context :pointer)   ; SecHandle* optional, in/out
  (p-output :pointer)   ; SecBufferDesc* optional, in/out
  (pf-context-attr :pointer)   ; DWORD* out
  (pts-expiry :pointer))   ; LONGLONG* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SaslInitializeSecurityContextW = Win32::API::More->new('SECUR32',
    'int SaslInitializeSecurityContextW(LPVOID phCredential, LPVOID phContext, LPCWSTR pszTargetName, DWORD fContextReq, DWORD Reserved1, DWORD TargetDataRep, LPVOID pInput, DWORD Reserved2, LPVOID phNewContext, LPVOID pOutput, LPVOID pfContextAttr, LPVOID ptsExpiry)');
# my $ret = $SaslInitializeSecurityContextW->Call($phCredential, $phContext, $pszTargetName, $fContextReq, $Reserved1, $TargetDataRep, $pInput, $Reserved2, $phNewContext, $pOutput, $pfContextAttr, $ptsExpiry);
# phCredential : SecHandle* optional -> LPVOID
# phContext : SecHandle* optional -> LPVOID
# pszTargetName : LPWSTR optional -> LPCWSTR
# fContextReq : ISC_REQ_FLAGS -> DWORD
# Reserved1 : DWORD -> DWORD
# TargetDataRep : DWORD -> DWORD
# pInput : SecBufferDesc* optional -> LPVOID
# Reserved2 : DWORD -> DWORD
# phNewContext : SecHandle* optional, in/out -> LPVOID
# pOutput : SecBufferDesc* optional, in/out -> LPVOID
# pfContextAttr : DWORD* out -> LPVOID
# ptsExpiry : LONGLONG* 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。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。