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QueryCredentialsAttributesW
関数資格情報ハンドルの属性情報を取得する(Unicode版)。
シグネチャ
// SECUR32.dll (Unicode / -W)
#include <windows.h>
HRESULT QueryCredentialsAttributesW(
SecHandle* phCredential,
DWORD ulAttribute,
void* pBuffer
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| phCredential | SecHandle* | in | 属性を照会する対象の資格情報ハンドルへのポインタ。 |
| ulAttribute | DWORD | in | 取得する資格情報属性の種類を示す値(SECPKG_CRED_ATTR_NAMES等)。 |
| pBuffer | void* | inout | 出力。指定属性に対応する構造体を受け取るバッファへのポインタ。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// SECUR32.dll (Unicode / -W)
#include <windows.h>
HRESULT QueryCredentialsAttributesW(
SecHandle* phCredential,
DWORD ulAttribute,
void* pBuffer
);[DllImport("SECUR32.dll", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern int QueryCredentialsAttributesW(
IntPtr phCredential, // SecHandle*
uint ulAttribute, // DWORD
IntPtr pBuffer // void* in/out
);<DllImport("SECUR32.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function QueryCredentialsAttributesW(
phCredential As IntPtr, ' SecHandle*
ulAttribute As UInteger, ' DWORD
pBuffer As IntPtr ' void* in/out
) As Integer
End Function' phCredential : SecHandle*
' ulAttribute : DWORD
' pBuffer : void* in/out
Declare PtrSafe Function QueryCredentialsAttributesW Lib "secur32" ( _
ByVal phCredential As LongPtr, _
ByVal ulAttribute As Long, _
ByVal pBuffer 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
QueryCredentialsAttributesW = ctypes.windll.secur32.QueryCredentialsAttributesW
QueryCredentialsAttributesW.restype = ctypes.c_int
QueryCredentialsAttributesW.argtypes = [
ctypes.c_void_p, # phCredential : SecHandle*
wintypes.DWORD, # ulAttribute : DWORD
ctypes.POINTER(None), # pBuffer : void* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('SECUR32.dll')
QueryCredentialsAttributesW = Fiddle::Function.new(
lib['QueryCredentialsAttributesW'],
[
Fiddle::TYPE_VOIDP, # phCredential : SecHandle*
-Fiddle::TYPE_INT, # ulAttribute : DWORD
Fiddle::TYPE_VOIDP, # pBuffer : void* in/out
],
Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"#[link(name = "secur32")]
extern "system" {
fn QueryCredentialsAttributesW(
phCredential: *mut SecHandle, // SecHandle*
ulAttribute: u32, // DWORD
pBuffer: *mut () // void* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("SECUR32.dll", CharSet = CharSet.Unicode)]
public static extern int QueryCredentialsAttributesW(IntPtr phCredential, uint ulAttribute, IntPtr pBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_QueryCredentialsAttributesW' -Namespace Win32 -PassThru
# $api::QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer)#uselib "SECUR32.dll"
#func global QueryCredentialsAttributesW "QueryCredentialsAttributesW" wptr, wptr, wptr
; QueryCredentialsAttributesW varptr(phCredential), ulAttribute, pBuffer ; 戻り値は stat
; phCredential : SecHandle* -> "wptr"
; ulAttribute : DWORD -> "wptr"
; pBuffer : void* 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。出力引数:
#uselib "SECUR32.dll" #cfunc global QueryCredentialsAttributesW "QueryCredentialsAttributesW" var, int, sptr ; res = QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer) ; phCredential : SecHandle* -> "var" ; ulAttribute : DWORD -> "int" ; pBuffer : void* in/out -> "sptr" ; ※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 "SECUR32.dll" #cfunc global QueryCredentialsAttributesW "QueryCredentialsAttributesW" sptr, int, sptr ; res = QueryCredentialsAttributesW(varptr(phCredential), ulAttribute, pBuffer) ; phCredential : SecHandle* -> "sptr" ; ulAttribute : DWORD -> "int" ; pBuffer : void* in/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:
; HRESULT QueryCredentialsAttributesW(SecHandle* phCredential, DWORD ulAttribute, void* pBuffer) #uselib "SECUR32.dll" #cfunc global QueryCredentialsAttributesW "QueryCredentialsAttributesW" var, int, intptr ; res = QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer) ; phCredential : SecHandle* -> "var" ; ulAttribute : DWORD -> "int" ; pBuffer : void* in/out -> "intptr" ; ※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。; HRESULT QueryCredentialsAttributesW(SecHandle* phCredential, DWORD ulAttribute, void* pBuffer) #uselib "SECUR32.dll" #cfunc global QueryCredentialsAttributesW "QueryCredentialsAttributesW" intptr, int, intptr ; res = QueryCredentialsAttributesW(varptr(phCredential), ulAttribute, pBuffer) ; phCredential : SecHandle* -> "intptr" ; ulAttribute : DWORD -> "int" ; pBuffer : void* in/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 (
secur32 = windows.NewLazySystemDLL("SECUR32.dll")
procQueryCredentialsAttributesW = secur32.NewProc("QueryCredentialsAttributesW")
)
// phCredential (SecHandle*), ulAttribute (DWORD), pBuffer (void* in/out)
r1, _, err := procQueryCredentialsAttributesW.Call(
uintptr(phCredential),
uintptr(ulAttribute),
uintptr(pBuffer),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction QueryCredentialsAttributesW(
phCredential: Pointer; // SecHandle*
ulAttribute: DWORD; // DWORD
pBuffer: Pointer // void* in/out
): Integer; stdcall;
external 'SECUR32.dll' name 'QueryCredentialsAttributesW';result := DllCall("SECUR32\QueryCredentialsAttributesW"
, "Ptr", phCredential ; SecHandle*
, "UInt", ulAttribute ; DWORD
, "Ptr", pBuffer ; void* in/out
, "Int") ; return: HRESULT●QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer) = DLL("SECUR32.dll", "int QueryCredentialsAttributesW(void*, dword, void*)")
# 呼び出し: QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer)
# phCredential : SecHandle* -> "void*"
# ulAttribute : DWORD -> "dword"
# pBuffer : 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)。
# ※-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 QueryCredentialsAttributesW(
phCredential: [*c]SecHandle, // SecHandle*
ulAttribute: u32, // DWORD
pBuffer: ?*anyopaque // void* 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 QueryCredentialsAttributesW(
phCredential: ptr SecHandle, # SecHandle*
ulAttribute: uint32, # DWORD
pBuffer: pointer # void* in/out
): int32 {.importc: "QueryCredentialsAttributesW", stdcall, dynlib: "SECUR32.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。pragma(lib, "secur32");
extern(Windows)
int QueryCredentialsAttributesW(
SecHandle* phCredential, // SecHandle*
uint ulAttribute, // DWORD
void* pBuffer // void* in/out
);ccall((:QueryCredentialsAttributesW, "SECUR32.dll"), stdcall, Int32,
(Ptr{SecHandle}, UInt32, Ptr{Cvoid}),
phCredential, ulAttribute, pBuffer)
# phCredential : SecHandle* -> Ptr{SecHandle}
# ulAttribute : DWORD -> UInt32
# pBuffer : void* in/out -> Ptr{Cvoid}
# 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 QueryCredentialsAttributesW(
void* phCredential,
uint32_t ulAttribute,
void* pBuffer);
]]
local secur32 = ffi.load("secur32")
-- secur32.QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer)
-- phCredential : SecHandle*
-- ulAttribute : DWORD
-- pBuffer : 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。
-- 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 QueryCredentialsAttributesW = lib.func('__stdcall', 'QueryCredentialsAttributesW', 'int32_t', ['void *', 'uint32_t', 'void *']);
// QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer)
// phCredential : SecHandle* -> 'void *'
// ulAttribute : DWORD -> 'uint32_t'
// pBuffer : 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。const lib = Deno.dlopen("SECUR32.dll", {
QueryCredentialsAttributesW: { parameters: ["pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer)
// phCredential : SecHandle* -> "pointer"
// ulAttribute : DWORD -> "u32"
// pBuffer : void* 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 QueryCredentialsAttributesW(
void* phCredential,
uint32_t ulAttribute,
void* pBuffer);
C, "SECUR32.dll");
// $ffi->QueryCredentialsAttributesW(phCredential, ulAttribute, pBuffer);
// phCredential : SecHandle*
// ulAttribute : DWORD
// pBuffer : void* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Secur32 extends StdCallLibrary {
Secur32 INSTANCE = Native.load("secur32", Secur32.class, W32APIOptions.UNICODE_OPTIONS);
int QueryCredentialsAttributesW(
Pointer phCredential, // SecHandle*
int ulAttribute, // DWORD
Pointer pBuffer // void* in/out
);
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。@[Link("secur32")]
lib LibSECUR32
fun QueryCredentialsAttributesW = QueryCredentialsAttributesW(
phCredential : SecHandle*, # SecHandle*
ulAttribute : UInt32, # DWORD
pBuffer : Void* # void* in/out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef QueryCredentialsAttributesWNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>);
typedef QueryCredentialsAttributesWDart = int Function(Pointer<Void>, int, Pointer<Void>);
final QueryCredentialsAttributesW = DynamicLibrary.open('SECUR32.dll')
.lookupFunction<QueryCredentialsAttributesWNative, QueryCredentialsAttributesWDart>('QueryCredentialsAttributesW');
// phCredential : SecHandle* -> Pointer<Void>
// ulAttribute : DWORD -> Uint32
// pBuffer : void* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function QueryCredentialsAttributesW(
phCredential: Pointer; // SecHandle*
ulAttribute: DWORD; // DWORD
pBuffer: Pointer // void* in/out
): Integer; stdcall;
external 'SECUR32.dll' name 'QueryCredentialsAttributesW';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "QueryCredentialsAttributesW"
c_QueryCredentialsAttributesW :: Ptr () -> Word32 -> Ptr () -> IO Int32
-- phCredential : SecHandle* -> Ptr ()
-- ulAttribute : DWORD -> Word32
-- pBuffer : 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 querycredentialsattributesw =
foreign "QueryCredentialsAttributesW"
((ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* phCredential : SecHandle* -> (ptr void) *)
(* ulAttribute : DWORD -> uint32_t *)
(* pBuffer : 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 secur32 (t "SECUR32.dll"))
(cffi:use-foreign-library secur32)
(cffi:defcfun ("QueryCredentialsAttributesW" query-credentials-attributes-w :convention :stdcall) :int32
(ph-credential :pointer) ; SecHandle*
(ul-attribute :uint32) ; DWORD
(p-buffer :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 $QueryCredentialsAttributesW = Win32::API::More->new('SECUR32',
'int QueryCredentialsAttributesW(LPVOID phCredential, DWORD ulAttribute, LPVOID pBuffer)');
# my $ret = $QueryCredentialsAttributesW->Call($phCredential, $ulAttribute, $pBuffer);
# phCredential : SecHandle* -> LPVOID
# ulAttribute : DWORD -> DWORD
# pBuffer : 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。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。関連項目
文字セット違い
- f QueryCredentialsAttributesA (ANSI版) — 資格情報ハンドルの属性情報を取得する(ANSI版)。
類似 API
- f QueryCredentialsAttributesExW — バッファサイズ指定で資格情報属性を取得する拡張版である(Unicode版)。
使用する型