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QuerySecurityAccessMask

関数

指定セキュリティ情報の取得に必要なアクセス権を求める。

DLLADVAPI32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// ADVAPI32.dll
#include <windows.h>

void QuerySecurityAccessMask(
    OBJECT_SECURITY_INFORMATION SecurityInformation,
    DWORD* DesiredAccess
);

パラメーター

名前	型	方向
SecurityInformation	OBJECT_SECURITY_INFORMATION	in
DesiredAccess	DWORD*	out

戻り値の型: void

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

void QuerySecurityAccessMask(
    OBJECT_SECURITY_INFORMATION SecurityInformation,
    DWORD* DesiredAccess
);

[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern void QuerySecurityAccessMask(
    uint SecurityInformation,   // OBJECT_SECURITY_INFORMATION
    out uint DesiredAccess   // DWORD* out
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Sub QuerySecurityAccessMask(
    SecurityInformation As UInteger,   ' OBJECT_SECURITY_INFORMATION
    <Out> ByRef DesiredAccess As UInteger   ' DWORD* out
)
End Sub

' SecurityInformation : OBJECT_SECURITY_INFORMATION
' DesiredAccess : DWORD* out
Declare PtrSafe Sub QuerySecurityAccessMask Lib "advapi32" ( _
    ByVal SecurityInformation As Long, _
    ByRef DesiredAccess As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

QuerySecurityAccessMask = ctypes.windll.advapi32.QuerySecurityAccessMask
QuerySecurityAccessMask.restype = None
QuerySecurityAccessMask.argtypes = [
    wintypes.DWORD,  # SecurityInformation : OBJECT_SECURITY_INFORMATION
    ctypes.POINTER(wintypes.DWORD),  # DesiredAccess : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
QuerySecurityAccessMask = Fiddle::Function.new(
  lib['QuerySecurityAccessMask'],
  [
    -Fiddle::TYPE_INT,  # SecurityInformation : OBJECT_SECURITY_INFORMATION
    Fiddle::TYPE_VOIDP,  # DesiredAccess : DWORD* out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "advapi32")]
extern "system" {
    fn QuerySecurityAccessMask(
        SecurityInformation: u32,  // OBJECT_SECURITY_INFORMATION
        DesiredAccess: *mut u32  // DWORD* out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern void QuerySecurityAccessMask(uint SecurityInformation, out uint DesiredAccess);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_QuerySecurityAccessMask' -Namespace Win32 -PassThru
# $api::QuerySecurityAccessMask(SecurityInformation, DesiredAccess)

#uselib "ADVAPI32.dll"
#func global QuerySecurityAccessMask "QuerySecurityAccessMask" sptr, sptr
; QuerySecurityAccessMask SecurityInformation, varptr(DesiredAccess)
; SecurityInformation : OBJECT_SECURITY_INFORMATION -> "sptr"
; DesiredAccess : DWORD* out -> "sptr"

出力引数:

#uselib "ADVAPI32.dll"
#func global QuerySecurityAccessMask "QuerySecurityAccessMask" int, var
; QuerySecurityAccessMask SecurityInformation, DesiredAccess
; SecurityInformation : OBJECT_SECURITY_INFORMATION -> "int"
; DesiredAccess : DWORD* 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。#uselib "ADVAPI32.dll"
#func global QuerySecurityAccessMask "QuerySecurityAccessMask" int, sptr
; QuerySecurityAccessMask SecurityInformation, varptr(DesiredAccess)
; SecurityInformation : OBJECT_SECURITY_INFORMATION -> "int"
; DesiredAccess : DWORD* 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:

; void QuerySecurityAccessMask(OBJECT_SECURITY_INFORMATION SecurityInformation, DWORD* DesiredAccess)
#uselib "ADVAPI32.dll"
#func global QuerySecurityAccessMask "QuerySecurityAccessMask" int, var
; QuerySecurityAccessMask SecurityInformation, DesiredAccess
; SecurityInformation : OBJECT_SECURITY_INFORMATION -> "int"
; DesiredAccess : DWORD* 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。; void QuerySecurityAccessMask(OBJECT_SECURITY_INFORMATION SecurityInformation, DWORD* DesiredAccess)
#uselib "ADVAPI32.dll"
#func global QuerySecurityAccessMask "QuerySecurityAccessMask" int, intptr
; QuerySecurityAccessMask SecurityInformation, varptr(DesiredAccess)
; SecurityInformation : OBJECT_SECURITY_INFORMATION -> "int"
; DesiredAccess : DWORD* 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 (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procQuerySecurityAccessMask = advapi32.NewProc("QuerySecurityAccessMask")
)

// SecurityInformation (OBJECT_SECURITY_INFORMATION), DesiredAccess (DWORD* out)
r1, _, err := procQuerySecurityAccessMask.Call(
	uintptr(SecurityInformation),
	uintptr(DesiredAccess),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure QuerySecurityAccessMask(
  SecurityInformation: DWORD;   // OBJECT_SECURITY_INFORMATION
  DesiredAccess: Pointer   // DWORD* out
); stdcall;
  external 'ADVAPI32.dll' name 'QuerySecurityAccessMask';

result := DllCall("ADVAPI32\QuerySecurityAccessMask"
    , "UInt", SecurityInformation   ; OBJECT_SECURITY_INFORMATION
    , "Ptr", DesiredAccess   ; DWORD* out
    , "Int")   ; return: void

●QuerySecurityAccessMask(SecurityInformation, DesiredAccess) = DLL("ADVAPI32.dll", "int QuerySecurityAccessMask(dword, void*)")
# 呼び出し: QuerySecurityAccessMask(SecurityInformation, DesiredAccess)
# SecurityInformation : OBJECT_SECURITY_INFORMATION -> "dword"
# DesiredAccess : DWORD* 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)。