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CredUnmarshalTargetInfo

関数
マーシャリングされたバッファから資格情報のターゲット情報を復元する。
DLLSECUR32.dll呼出規約winapi

シグネチャ

// SECUR32.dll
#include <windows.h>

NTSTATUS CredUnmarshalTargetInfo(
    WORD* Buffer,
    DWORD BufferSize,
    CREDENTIAL_TARGET_INFORMATIONW** RetTargetInfo,   // optional
    DWORD* RetActualSize   // optional
);

パラメーター

名前型方向説明
BufferWORD*inアンマーシャリング対象のマーシャル済みデータ(WORD配列)へのポインタ。
BufferSizeDWORDinBufferのサイズ(バイト数)。0指定でNULL終端まで自動判定する。
RetTargetInfoCREDENTIAL_TARGET_INFORMATIONW**outoptional復元されたCREDENTIAL_TARGET_INFORMATIONW構造体を受け取るポインタ。CredFreeで解放する。
RetActualSizeDWORD*outoptional実際に読み取ったBufferのバイト数を受け取るDWORDへのポインタ。NULL可。

戻り値の型: NTSTATUS

各言語での呼び出し定義

// SECUR32.dll
#include <windows.h>

NTSTATUS CredUnmarshalTargetInfo(
    WORD* Buffer,
    DWORD BufferSize,
    CREDENTIAL_TARGET_INFORMATIONW** RetTargetInfo,   // optional
    DWORD* RetActualSize   // optional
);
[DllImport("SECUR32.dll", ExactSpelling = true)]
static extern int CredUnmarshalTargetInfo(
    ref ushort Buffer,   // WORD*
    uint BufferSize,   // DWORD
    IntPtr RetTargetInfo,   // CREDENTIAL_TARGET_INFORMATIONW** optional, out
    IntPtr RetActualSize   // DWORD* optional, out
);
<DllImport("SECUR32.dll", ExactSpelling:=True)>
Public Shared Function CredUnmarshalTargetInfo(
    ByRef Buffer As UShort,   ' WORD*
    BufferSize As UInteger,   ' DWORD
    RetTargetInfo As IntPtr,   ' CREDENTIAL_TARGET_INFORMATIONW** optional, out
    RetActualSize As IntPtr   ' DWORD* optional, out
) As Integer
End Function
' Buffer : WORD*
' BufferSize : DWORD
' RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
' RetActualSize : DWORD* optional, out
Declare PtrSafe Function CredUnmarshalTargetInfo Lib "secur32" ( _
    ByRef Buffer As Integer, _
    ByVal BufferSize As Long, _
    ByVal RetTargetInfo As LongPtr, _
    ByVal RetActualSize 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

CredUnmarshalTargetInfo = ctypes.windll.secur32.CredUnmarshalTargetInfo
CredUnmarshalTargetInfo.restype = ctypes.c_int
CredUnmarshalTargetInfo.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # Buffer : WORD*
    wintypes.DWORD,  # BufferSize : DWORD
    ctypes.c_void_p,  # RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
    ctypes.POINTER(wintypes.DWORD),  # RetActualSize : DWORD* optional, out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
CredUnmarshalTargetInfo = Fiddle::Function.new(
  lib['CredUnmarshalTargetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # Buffer : WORD*
    -Fiddle::TYPE_INT,  # BufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
    Fiddle::TYPE_VOIDP,  # RetActualSize : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)
#[link(name = "secur32")]
extern "system" {
    fn CredUnmarshalTargetInfo(
        Buffer: *mut u16,  // WORD*
        BufferSize: u32,  // DWORD
        RetTargetInfo: *mut *mut CREDENTIAL_TARGET_INFORMATIONW,  // CREDENTIAL_TARGET_INFORMATIONW** optional, out
        RetActualSize: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("SECUR32.dll")]
public static extern int CredUnmarshalTargetInfo(ref ushort Buffer, uint BufferSize, IntPtr RetTargetInfo, IntPtr RetActualSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_CredUnmarshalTargetInfo' -Namespace Win32 -PassThru
# $api::CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
#uselib "SECUR32.dll"
#func global CredUnmarshalTargetInfo "CredUnmarshalTargetInfo" sptr, sptr, sptr, sptr
; CredUnmarshalTargetInfo varptr(Buffer), BufferSize, varptr(RetTargetInfo), varptr(RetActualSize)   ; 戻り値は stat
; Buffer : WORD* -> "sptr"
; BufferSize : DWORD -> "sptr"
; RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "sptr"
; RetActualSize : DWORD* 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。
出力引数: 
#uselib "SECUR32.dll"
#cfunc global CredUnmarshalTargetInfo "CredUnmarshalTargetInfo" var, int, var, var
; res = CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
; Buffer : WORD* -> "var"
; BufferSize : DWORD -> "int"
; RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "var"
; RetActualSize : DWORD* optional, 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。
出力引数: 
; NTSTATUS CredUnmarshalTargetInfo(WORD* Buffer, DWORD BufferSize, CREDENTIAL_TARGET_INFORMATIONW** RetTargetInfo, DWORD* RetActualSize)
#uselib "SECUR32.dll"
#cfunc global CredUnmarshalTargetInfo "CredUnmarshalTargetInfo" var, int, var, var
; res = CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
; Buffer : WORD* -> "var"
; BufferSize : DWORD -> "int"
; RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "var"
; RetActualSize : DWORD* optional, 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procCredUnmarshalTargetInfo = secur32.NewProc("CredUnmarshalTargetInfo")
)

// Buffer (WORD*), BufferSize (DWORD), RetTargetInfo (CREDENTIAL_TARGET_INFORMATIONW** optional, out), RetActualSize (DWORD* optional, out)
r1, _, err := procCredUnmarshalTargetInfo.Call(
	uintptr(Buffer),
	uintptr(BufferSize),
	uintptr(RetTargetInfo),
	uintptr(RetActualSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS
function CredUnmarshalTargetInfo(
  Buffer: Pointer;   // WORD*
  BufferSize: DWORD;   // DWORD
  RetTargetInfo: Pointer;   // CREDENTIAL_TARGET_INFORMATIONW** optional, out
  RetActualSize: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'CredUnmarshalTargetInfo';
result := DllCall("SECUR32\CredUnmarshalTargetInfo"
    , "Ptr", Buffer   ; WORD*
    , "UInt", BufferSize   ; DWORD
    , "Ptr", RetTargetInfo   ; CREDENTIAL_TARGET_INFORMATIONW** optional, out
    , "Ptr", RetActualSize   ; DWORD* optional, out
    , "Int")   ; return: NTSTATUS
●CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize) = DLL("SECUR32.dll", "int CredUnmarshalTargetInfo(void*, dword, void*, void*)")
# 呼び出し: CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
# Buffer : WORD* -> "void*"
# BufferSize : DWORD -> "dword"
# RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "void*"
# RetActualSize : DWORD* 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 "secur32" fn CredUnmarshalTargetInfo(
    Buffer: [*c]u16, // WORD*
    BufferSize: u32, // DWORD
    RetTargetInfo: [*c][*c]CREDENTIAL_TARGET_INFORMATIONW, // CREDENTIAL_TARGET_INFORMATIONW** optional, out
    RetActualSize: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) i32;
proc CredUnmarshalTargetInfo(
    Buffer: ptr uint16,  # WORD*
    BufferSize: uint32,  # DWORD
    RetTargetInfo: ptr CREDENTIAL_TARGET_INFORMATIONW,  # CREDENTIAL_TARGET_INFORMATIONW** optional, out
    RetActualSize: ptr uint32  # DWORD* optional, out
): int32 {.importc: "CredUnmarshalTargetInfo", stdcall, dynlib: "SECUR32.dll".}
pragma(lib, "secur32");
extern(Windows)
int CredUnmarshalTargetInfo(
    ushort* Buffer,   // WORD*
    uint BufferSize,   // DWORD
    CREDENTIAL_TARGET_INFORMATIONW** RetTargetInfo,   // CREDENTIAL_TARGET_INFORMATIONW** optional, out
    uint* RetActualSize   // DWORD* optional, out
);
ccall((:CredUnmarshalTargetInfo, "SECUR32.dll"), stdcall, Int32,
      (Ptr{UInt16}, UInt32, Ptr{CREDENTIAL_TARGET_INFORMATIONW}, Ptr{UInt32}),
      Buffer, BufferSize, RetTargetInfo, RetActualSize)
# Buffer : WORD* -> Ptr{UInt16}
# BufferSize : DWORD -> UInt32
# RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> Ptr{CREDENTIAL_TARGET_INFORMATIONW}
# RetActualSize : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t CredUnmarshalTargetInfo(
    uint16_t* Buffer,
    uint32_t BufferSize,
    void* RetTargetInfo,
    uint32_t* RetActualSize);
]]
local secur32 = ffi.load("secur32")
-- secur32.CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
-- Buffer : WORD*
-- BufferSize : DWORD
-- RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
-- RetActualSize : DWORD* 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('SECUR32.dll');
const CredUnmarshalTargetInfo = lib.func('__stdcall', 'CredUnmarshalTargetInfo', 'int32_t', ['uint16_t *', 'uint32_t', 'void *', 'uint32_t *']);
// CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
// Buffer : WORD* -> 'uint16_t *'
// BufferSize : DWORD -> 'uint32_t'
// RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> 'void *'
// RetActualSize : DWORD* optional, 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("SECUR32.dll", {
  CredUnmarshalTargetInfo: { parameters: ["pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
// Buffer : WORD* -> "pointer"
// BufferSize : DWORD -> "u32"
// RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "pointer"
// RetActualSize : DWORD* 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 CredUnmarshalTargetInfo(
    uint16_t* Buffer,
    uint32_t BufferSize,
    void* RetTargetInfo,
    uint32_t* RetActualSize);
C, "SECUR32.dll");
// $ffi->CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize);
// Buffer : WORD*
// BufferSize : DWORD
// RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
// RetActualSize : DWORD* 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);
    int CredUnmarshalTargetInfo(
        ShortByReference Buffer,   // WORD*
        int BufferSize,   // DWORD
        Pointer RetTargetInfo,   // CREDENTIAL_TARGET_INFORMATIONW** optional, out
        IntByReference RetActualSize   // DWORD* optional, out
    );
}
@[Link("secur32")]
lib LibSECUR32
  fun CredUnmarshalTargetInfo = CredUnmarshalTargetInfo(
    Buffer : UInt16*,   # WORD*
    BufferSize : UInt32,   # DWORD
    RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW**,   # CREDENTIAL_TARGET_INFORMATIONW** optional, out
    RetActualSize : UInt32*   # DWORD* 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 CredUnmarshalTargetInfoNative = Int32 Function(Pointer<Uint16>, Uint32, Pointer<Void>, Pointer<Uint32>);
typedef CredUnmarshalTargetInfoDart = int Function(Pointer<Uint16>, int, Pointer<Void>, Pointer<Uint32>);
final CredUnmarshalTargetInfo = DynamicLibrary.open('SECUR32.dll')
    .lookupFunction<CredUnmarshalTargetInfoNative, CredUnmarshalTargetInfoDart>('CredUnmarshalTargetInfo');
// Buffer : WORD* -> Pointer<Uint16>
// BufferSize : DWORD -> Uint32
// RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> Pointer<Void>
// RetActualSize : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function CredUnmarshalTargetInfo(
  Buffer: Pointer;   // WORD*
  BufferSize: DWORD;   // DWORD
  RetTargetInfo: Pointer;   // CREDENTIAL_TARGET_INFORMATIONW** optional, out
  RetActualSize: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'CredUnmarshalTargetInfo';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CredUnmarshalTargetInfo"
  c_CredUnmarshalTargetInfo :: Ptr Word16 -> Word32 -> Ptr () -> Ptr Word32 -> IO Int32
-- Buffer : WORD* -> Ptr Word16
-- BufferSize : DWORD -> Word32
-- RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> Ptr ()
-- RetActualSize : DWORD* optional, 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 credunmarshaltargetinfo =
  foreign "CredUnmarshalTargetInfo"
    ((ptr uint16_t) @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* Buffer : WORD* -> (ptr uint16_t) *)
(* BufferSize : DWORD -> uint32_t *)
(* RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> (ptr void) *)
(* RetActualSize : DWORD* optional, 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 secur32 (t "SECUR32.dll"))
(cffi:use-foreign-library secur32)

(cffi:defcfun ("CredUnmarshalTargetInfo" cred-unmarshal-target-info :convention :stdcall) :int32
  (buffer :pointer)   ; WORD*
  (buffer-size :uint32)   ; DWORD
  (ret-target-info :pointer)   ; CREDENTIAL_TARGET_INFORMATIONW** optional, out
  (ret-actual-size :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $CredUnmarshalTargetInfo = Win32::API::More->new('SECUR32',
    'int CredUnmarshalTargetInfo(LPVOID Buffer, DWORD BufferSize, LPVOID RetTargetInfo, LPVOID RetActualSize)');
# my $ret = $CredUnmarshalTargetInfo->Call($Buffer, $BufferSize, $RetTargetInfo, $RetActualSize);
# Buffer : WORD* -> LPVOID
# BufferSize : DWORD -> DWORD
# RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> LPVOID
# RetActualSize : DWORD* 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。

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