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SetContextAttributesA
関数セキュリティコンテキストの属性を設定する(ANSI版)。
シグネチャ
// SECUR32.dll (ANSI / -A)
#include <windows.h>
HRESULT SetContextAttributesA(
SecHandle* phContext,
SECPKG_ATTR ulAttribute,
void* pBuffer,
DWORD cbBuffer
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| phContext | SecHandle* | in | 属性を設定する対象のセキュリティコンテキストハンドルへのポインタ。 |
| ulAttribute | SECPKG_ATTR | in | 設定する属性の種類を示すSECPKG_ATTR値。 |
| pBuffer | void* | in | 設定する属性値を保持する構造体へのポインタ。 |
| cbBuffer | DWORD | in | pBufferのサイズをバイト単位で指定する。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// SECUR32.dll (ANSI / -A)
#include <windows.h>
HRESULT SetContextAttributesA(
SecHandle* phContext,
SECPKG_ATTR ulAttribute,
void* pBuffer,
DWORD cbBuffer
);[DllImport("SECUR32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int SetContextAttributesA(
IntPtr phContext, // SecHandle*
uint ulAttribute, // SECPKG_ATTR
IntPtr pBuffer, // void*
uint cbBuffer // DWORD
);<DllImport("SECUR32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SetContextAttributesA(
phContext As IntPtr, ' SecHandle*
ulAttribute As UInteger, ' SECPKG_ATTR
pBuffer As IntPtr, ' void*
cbBuffer As UInteger ' DWORD
) As Integer
End Function' phContext : SecHandle*
' ulAttribute : SECPKG_ATTR
' pBuffer : void*
' cbBuffer : DWORD
Declare PtrSafe Function SetContextAttributesA Lib "secur32" ( _
ByVal phContext As LongPtr, _
ByVal ulAttribute As Long, _
ByVal pBuffer As LongPtr, _
ByVal cbBuffer As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
SetContextAttributesA = ctypes.windll.secur32.SetContextAttributesA
SetContextAttributesA.restype = ctypes.c_int
SetContextAttributesA.argtypes = [
ctypes.c_void_p, # phContext : SecHandle*
wintypes.DWORD, # ulAttribute : SECPKG_ATTR
ctypes.POINTER(None), # pBuffer : void*
wintypes.DWORD, # cbBuffer : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('SECUR32.dll')
SetContextAttributesA = Fiddle::Function.new(
lib['SetContextAttributesA'],
[
Fiddle::TYPE_VOIDP, # phContext : SecHandle*
-Fiddle::TYPE_INT, # ulAttribute : SECPKG_ATTR
Fiddle::TYPE_VOIDP, # pBuffer : void*
-Fiddle::TYPE_INT, # cbBuffer : DWORD
],
Fiddle::TYPE_INT)#[link(name = "secur32")]
extern "system" {
fn SetContextAttributesA(
phContext: *mut SecHandle, // SecHandle*
ulAttribute: u32, // SECPKG_ATTR
pBuffer: *mut (), // void*
cbBuffer: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("SECUR32.dll", CharSet = CharSet.Ansi)]
public static extern int SetContextAttributesA(IntPtr phContext, uint ulAttribute, IntPtr pBuffer, uint cbBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_SetContextAttributesA' -Namespace Win32 -PassThru
# $api::SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer)#uselib "SECUR32.dll"
#func global SetContextAttributesA "SetContextAttributesA" sptr, sptr, sptr, sptr
; SetContextAttributesA varptr(phContext), ulAttribute, pBuffer, cbBuffer ; 戻り値は stat
; phContext : SecHandle* -> "sptr"
; ulAttribute : SECPKG_ATTR -> "sptr"
; pBuffer : void* -> "sptr"
; cbBuffer : DWORD -> "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 SetContextAttributesA "SetContextAttributesA" var, int, sptr, int ; res = SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer) ; phContext : SecHandle* -> "var" ; ulAttribute : SECPKG_ATTR -> "int" ; pBuffer : void* -> "sptr" ; cbBuffer : DWORD -> "int" ; ※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 SetContextAttributesA "SetContextAttributesA" sptr, int, sptr, int ; res = SetContextAttributesA(varptr(phContext), ulAttribute, pBuffer, cbBuffer) ; phContext : SecHandle* -> "sptr" ; ulAttribute : SECPKG_ATTR -> "int" ; pBuffer : void* -> "sptr" ; cbBuffer : DWORD -> "int" ; ※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 SetContextAttributesA(SecHandle* phContext, SECPKG_ATTR ulAttribute, void* pBuffer, DWORD cbBuffer) #uselib "SECUR32.dll" #cfunc global SetContextAttributesA "SetContextAttributesA" var, int, intptr, int ; res = SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer) ; phContext : SecHandle* -> "var" ; ulAttribute : SECPKG_ATTR -> "int" ; pBuffer : void* -> "intptr" ; cbBuffer : DWORD -> "int" ; ※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 SetContextAttributesA(SecHandle* phContext, SECPKG_ATTR ulAttribute, void* pBuffer, DWORD cbBuffer) #uselib "SECUR32.dll" #cfunc global SetContextAttributesA "SetContextAttributesA" intptr, int, intptr, int ; res = SetContextAttributesA(varptr(phContext), ulAttribute, pBuffer, cbBuffer) ; phContext : SecHandle* -> "intptr" ; ulAttribute : SECPKG_ATTR -> "int" ; pBuffer : void* -> "intptr" ; cbBuffer : DWORD -> "int" ; ※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")
procSetContextAttributesA = secur32.NewProc("SetContextAttributesA")
)
// phContext (SecHandle*), ulAttribute (SECPKG_ATTR), pBuffer (void*), cbBuffer (DWORD)
r1, _, err := procSetContextAttributesA.Call(
uintptr(phContext),
uintptr(ulAttribute),
uintptr(pBuffer),
uintptr(cbBuffer),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction SetContextAttributesA(
phContext: Pointer; // SecHandle*
ulAttribute: DWORD; // SECPKG_ATTR
pBuffer: Pointer; // void*
cbBuffer: DWORD // DWORD
): Integer; stdcall;
external 'SECUR32.dll' name 'SetContextAttributesA';result := DllCall("SECUR32\SetContextAttributesA"
, "Ptr", phContext ; SecHandle*
, "UInt", ulAttribute ; SECPKG_ATTR
, "Ptr", pBuffer ; void*
, "UInt", cbBuffer ; DWORD
, "Int") ; return: HRESULT●SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer) = DLL("SECUR32.dll", "int SetContextAttributesA(void*, dword, void*, dword)")
# 呼び出し: SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer)
# phContext : SecHandle* -> "void*"
# ulAttribute : SECPKG_ATTR -> "dword"
# pBuffer : void* -> "void*"
# cbBuffer : DWORD -> "dword"
# 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 SetContextAttributesA(
phContext: [*c]SecHandle, // SecHandle*
ulAttribute: u32, // SECPKG_ATTR
pBuffer: ?*anyopaque, // void*
cbBuffer: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;proc SetContextAttributesA(
phContext: ptr SecHandle, # SecHandle*
ulAttribute: uint32, # SECPKG_ATTR
pBuffer: pointer, # void*
cbBuffer: uint32 # DWORD
): int32 {.importc: "SetContextAttributesA", stdcall, dynlib: "SECUR32.dll".}pragma(lib, "secur32");
extern(Windows)
int SetContextAttributesA(
SecHandle* phContext, // SecHandle*
uint ulAttribute, // SECPKG_ATTR
void* pBuffer, // void*
uint cbBuffer // DWORD
);ccall((:SetContextAttributesA, "SECUR32.dll"), stdcall, Int32,
(Ptr{SecHandle}, UInt32, Ptr{Cvoid}, UInt32),
phContext, ulAttribute, pBuffer, cbBuffer)
# phContext : SecHandle* -> Ptr{SecHandle}
# ulAttribute : SECPKG_ATTR -> UInt32
# pBuffer : void* -> Ptr{Cvoid}
# cbBuffer : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t SetContextAttributesA(
void* phContext,
uint32_t ulAttribute,
void* pBuffer,
uint32_t cbBuffer);
]]
local secur32 = ffi.load("secur32")
-- secur32.SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer)
-- phContext : SecHandle*
-- ulAttribute : SECPKG_ATTR
-- pBuffer : void*
-- cbBuffer : DWORD
-- 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 SetContextAttributesA = lib.func('__stdcall', 'SetContextAttributesA', 'int32_t', ['void *', 'uint32_t', 'void *', 'uint32_t']);
// SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer)
// phContext : SecHandle* -> 'void *'
// ulAttribute : SECPKG_ATTR -> 'uint32_t'
// pBuffer : void* -> 'void *'
// cbBuffer : DWORD -> '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", {
SetContextAttributesA: { parameters: ["pointer", "u32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer)
// phContext : SecHandle* -> "pointer"
// ulAttribute : SECPKG_ATTR -> "u32"
// pBuffer : void* -> "pointer"
// cbBuffer : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t SetContextAttributesA(
void* phContext,
uint32_t ulAttribute,
void* pBuffer,
uint32_t cbBuffer);
C, "SECUR32.dll");
// $ffi->SetContextAttributesA(phContext, ulAttribute, pBuffer, cbBuffer);
// phContext : SecHandle*
// ulAttribute : SECPKG_ATTR
// pBuffer : void*
// cbBuffer : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Secur32 extends StdCallLibrary {
Secur32 INSTANCE = Native.load("secur32", Secur32.class, W32APIOptions.ASCII_OPTIONS);
int SetContextAttributesA(
Pointer phContext, // SecHandle*
int ulAttribute, // SECPKG_ATTR
Pointer pBuffer, // void*
int cbBuffer // DWORD
);
}@[Link("secur32")]
lib LibSECUR32
fun SetContextAttributesA = SetContextAttributesA(
phContext : SecHandle*, # SecHandle*
ulAttribute : UInt32, # SECPKG_ATTR
pBuffer : Void*, # void*
cbBuffer : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef SetContextAttributesANative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>, Uint32);
typedef SetContextAttributesADart = int Function(Pointer<Void>, int, Pointer<Void>, int);
final SetContextAttributesA = DynamicLibrary.open('SECUR32.dll')
.lookupFunction<SetContextAttributesANative, SetContextAttributesADart>('SetContextAttributesA');
// phContext : SecHandle* -> Pointer<Void>
// ulAttribute : SECPKG_ATTR -> Uint32
// pBuffer : void* -> Pointer<Void>
// cbBuffer : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SetContextAttributesA(
phContext: Pointer; // SecHandle*
ulAttribute: DWORD; // SECPKG_ATTR
pBuffer: Pointer; // void*
cbBuffer: DWORD // DWORD
): Integer; stdcall;
external 'SECUR32.dll' name 'SetContextAttributesA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SetContextAttributesA"
c_SetContextAttributesA :: Ptr () -> Word32 -> Ptr () -> Word32 -> IO Int32
-- phContext : SecHandle* -> Ptr ()
-- ulAttribute : SECPKG_ATTR -> Word32
-- pBuffer : void* -> Ptr ()
-- cbBuffer : DWORD -> 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 setcontextattributesa =
foreign "SetContextAttributesA"
((ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* phContext : SecHandle* -> (ptr void) *)
(* ulAttribute : SECPKG_ATTR -> uint32_t *)
(* pBuffer : void* -> (ptr void) *)
(* cbBuffer : DWORD -> 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 ("SetContextAttributesA" set-context-attributes-a :convention :stdcall) :int32
(ph-context :pointer) ; SecHandle*
(ul-attribute :uint32) ; SECPKG_ATTR
(p-buffer :pointer) ; void*
(cb-buffer :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SetContextAttributesA = Win32::API::More->new('SECUR32',
'int SetContextAttributesA(LPVOID phContext, DWORD ulAttribute, LPVOID pBuffer, DWORD cbBuffer)');
# my $ret = $SetContextAttributesA->Call($phContext, $ulAttribute, $pBuffer, $cbBuffer);
# phContext : SecHandle* -> LPVOID
# ulAttribute : SECPKG_ATTR -> DWORD
# pBuffer : void* -> LPVOID
# cbBuffer : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
文字セット違い
- f SetContextAttributesW (Unicode版) — セキュリティコンテキストの属性を設定する(Unicode版)。