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QueryRecoveryAgentsOnEncryptedFile

関数

暗号化ファイルの回復エージェント一覧を取得する。

DLLADVAPI32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD QueryRecoveryAgentsOnEncryptedFile(
    LPCWSTR lpFileName,
    ENCRYPTION_CERTIFICATE_HASH_LIST** pRecoveryAgents
);

パラメーター

名前	型	方向
lpFileName	LPCWSTR	in
pRecoveryAgents	ENCRYPTION_CERTIFICATE_HASH_LIST**	out

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD QueryRecoveryAgentsOnEncryptedFile(
    LPCWSTR lpFileName,
    ENCRYPTION_CERTIFICATE_HASH_LIST** pRecoveryAgents
);

[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint QueryRecoveryAgentsOnEncryptedFile(
    [MarshalAs(UnmanagedType.LPWStr)] string lpFileName,   // LPCWSTR
    IntPtr pRecoveryAgents   // ENCRYPTION_CERTIFICATE_HASH_LIST** out
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function QueryRecoveryAgentsOnEncryptedFile(
    <MarshalAs(UnmanagedType.LPWStr)> lpFileName As String,   ' LPCWSTR
    pRecoveryAgents As IntPtr   ' ENCRYPTION_CERTIFICATE_HASH_LIST** out
) As UInteger
End Function

' lpFileName : LPCWSTR
' pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** out
Declare PtrSafe Function QueryRecoveryAgentsOnEncryptedFile Lib "advapi32" ( _
    ByVal lpFileName As LongPtr, _
    ByVal pRecoveryAgents 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

QueryRecoveryAgentsOnEncryptedFile = ctypes.windll.advapi32.QueryRecoveryAgentsOnEncryptedFile
QueryRecoveryAgentsOnEncryptedFile.restype = wintypes.DWORD
QueryRecoveryAgentsOnEncryptedFile.argtypes = [
    wintypes.LPCWSTR,  # lpFileName : LPCWSTR
    ctypes.c_void_p,  # pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
QueryRecoveryAgentsOnEncryptedFile = Fiddle::Function.new(
  lib['QueryRecoveryAgentsOnEncryptedFile'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn QueryRecoveryAgentsOnEncryptedFile(
        lpFileName: *const u16,  // LPCWSTR
        pRecoveryAgents: *mut *mut ENCRYPTION_CERTIFICATE_HASH_LIST  // ENCRYPTION_CERTIFICATE_HASH_LIST** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint QueryRecoveryAgentsOnEncryptedFile([MarshalAs(UnmanagedType.LPWStr)] string lpFileName, IntPtr pRecoveryAgents);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_QueryRecoveryAgentsOnEncryptedFile' -Namespace Win32 -PassThru
# $api::QueryRecoveryAgentsOnEncryptedFile(lpFileName, pRecoveryAgents)

#uselib "ADVAPI32.dll"
#func global QueryRecoveryAgentsOnEncryptedFile "QueryRecoveryAgentsOnEncryptedFile" sptr, sptr
; QueryRecoveryAgentsOnEncryptedFile lpFileName, varptr(pRecoveryAgents)   ; 戻り値は stat
; lpFileName : LPCWSTR -> "sptr"
; pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** 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 "ADVAPI32.dll"
#cfunc global QueryRecoveryAgentsOnEncryptedFile "QueryRecoveryAgentsOnEncryptedFile" wstr, var
; res = QueryRecoveryAgentsOnEncryptedFile(lpFileName, pRecoveryAgents)
; lpFileName : LPCWSTR -> "wstr"
; pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** 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"
#cfunc global QueryRecoveryAgentsOnEncryptedFile "QueryRecoveryAgentsOnEncryptedFile" wstr, sptr
; res = QueryRecoveryAgentsOnEncryptedFile(lpFileName, varptr(pRecoveryAgents))
; lpFileName : LPCWSTR -> "wstr"
; pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** 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:

; DWORD QueryRecoveryAgentsOnEncryptedFile(LPCWSTR lpFileName, ENCRYPTION_CERTIFICATE_HASH_LIST** pRecoveryAgents)
#uselib "ADVAPI32.dll"
#cfunc global QueryRecoveryAgentsOnEncryptedFile "QueryRecoveryAgentsOnEncryptedFile" wstr, var
; res = QueryRecoveryAgentsOnEncryptedFile(lpFileName, pRecoveryAgents)
; lpFileName : LPCWSTR -> "wstr"
; pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** 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。; DWORD QueryRecoveryAgentsOnEncryptedFile(LPCWSTR lpFileName, ENCRYPTION_CERTIFICATE_HASH_LIST** pRecoveryAgents)
#uselib "ADVAPI32.dll"
#cfunc global QueryRecoveryAgentsOnEncryptedFile "QueryRecoveryAgentsOnEncryptedFile" wstr, intptr
; res = QueryRecoveryAgentsOnEncryptedFile(lpFileName, varptr(pRecoveryAgents))
; lpFileName : LPCWSTR -> "wstr"
; pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** 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")
	procQueryRecoveryAgentsOnEncryptedFile = advapi32.NewProc("QueryRecoveryAgentsOnEncryptedFile")
)

// lpFileName (LPCWSTR), pRecoveryAgents (ENCRYPTION_CERTIFICATE_HASH_LIST** out)
r1, _, err := procQueryRecoveryAgentsOnEncryptedFile.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFileName))),
	uintptr(pRecoveryAgents),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function QueryRecoveryAgentsOnEncryptedFile(
  lpFileName: PWideChar;   // LPCWSTR
  pRecoveryAgents: Pointer   // ENCRYPTION_CERTIFICATE_HASH_LIST** out
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'QueryRecoveryAgentsOnEncryptedFile';

result := DllCall("ADVAPI32\QueryRecoveryAgentsOnEncryptedFile"
    , "WStr", lpFileName   ; LPCWSTR
    , "Ptr", pRecoveryAgents   ; ENCRYPTION_CERTIFICATE_HASH_LIST** out
    , "UInt")   ; return: DWORD

●QueryRecoveryAgentsOnEncryptedFile(lpFileName, pRecoveryAgents) = DLL("ADVAPI32.dll", "dword QueryRecoveryAgentsOnEncryptedFile(char*, void*)")
# 呼び出し: QueryRecoveryAgentsOnEncryptedFile(lpFileName, pRecoveryAgents)
# lpFileName : LPCWSTR -> "char*"
# pRecoveryAgents : ENCRYPTION_CERTIFICATE_HASH_LIST** 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)。