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FwpmProviderContextSubscriptionsGet0

関数
プロバイダーコンテキスト変更の購読一覧を取得する。
DLLfwpuclnt.dll呼出規約winapi対応OSWindows Vista 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

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

DWORD FwpmProviderContextSubscriptionsGet0(
    FWPM_ENGINE_HANDLE engineHandle,
    FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** entries,
    DWORD* numEntries
);

パラメーター

名前型方向説明
engineHandleFWPM_ENGINE_HANDLEinFwpmEngineOpenで取得したフィルターエンジンへのオープンセッションハンドル。
entriesFWPM_PROVIDER_CONTEXT_SUBSCRIPTION0***out現在のプロバイダーコンテキスト購読一覧を受け取るポインター。要解放。
numEntriesDWORD*out返された購読エントリの数を受け取る出力先。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD FwpmProviderContextSubscriptionsGet0(
    FWPM_ENGINE_HANDLE engineHandle,
    FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** entries,
    DWORD* numEntries
);
[DllImport("fwpuclnt.dll", ExactSpelling = true)]
static extern uint FwpmProviderContextSubscriptionsGet0(
    FWPM_ENGINE_HANDLE engineHandle,   // FWPM_ENGINE_HANDLE
    IntPtr entries,   // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    out uint numEntries   // DWORD* out
);
<DllImport("fwpuclnt.dll", ExactSpelling:=True)>
Public Shared Function FwpmProviderContextSubscriptionsGet0(
    engineHandle As FWPM_ENGINE_HANDLE,   ' FWPM_ENGINE_HANDLE
    entries As IntPtr,   ' FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    <Out> ByRef numEntries As UInteger   ' DWORD* out
) As UInteger
End Function
' engineHandle : FWPM_ENGINE_HANDLE
' entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
' numEntries : DWORD* out
Declare PtrSafe Function FwpmProviderContextSubscriptionsGet0 Lib "fwpuclnt" ( _
    ByVal engineHandle As LongPtr, _
    ByVal entries As LongPtr, _
    ByRef numEntries 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

FwpmProviderContextSubscriptionsGet0 = ctypes.windll.fwpuclnt.FwpmProviderContextSubscriptionsGet0
FwpmProviderContextSubscriptionsGet0.restype = wintypes.DWORD
FwpmProviderContextSubscriptionsGet0.argtypes = [
    FWPM_ENGINE_HANDLE,  # engineHandle : FWPM_ENGINE_HANDLE
    ctypes.c_void_p,  # entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    ctypes.POINTER(wintypes.DWORD),  # numEntries : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('fwpuclnt.dll')
FwpmProviderContextSubscriptionsGet0 = Fiddle::Function.new(
  lib['FwpmProviderContextSubscriptionsGet0'],
  [
    Fiddle::TYPE_VOIDP,  # engineHandle : FWPM_ENGINE_HANDLE
    Fiddle::TYPE_VOIDP,  # entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    Fiddle::TYPE_VOIDP,  # numEntries : DWORD* out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "fwpuclnt")]
extern "system" {
    fn FwpmProviderContextSubscriptionsGet0(
        engineHandle: FWPM_ENGINE_HANDLE,  // FWPM_ENGINE_HANDLE
        entries: *mut *mut *mut FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0,  // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
        numEntries: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("fwpuclnt.dll")]
public static extern uint FwpmProviderContextSubscriptionsGet0(FWPM_ENGINE_HANDLE engineHandle, IntPtr entries, out uint numEntries);
"@
$api = Add-Type -MemberDefinition $sig -Name 'fwpuclnt_FwpmProviderContextSubscriptionsGet0' -Namespace Win32 -PassThru
# $api::FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
#uselib "fwpuclnt.dll"
#func global FwpmProviderContextSubscriptionsGet0 "FwpmProviderContextSubscriptionsGet0" sptr, sptr, sptr
; FwpmProviderContextSubscriptionsGet0 engineHandle, varptr(entries), varptr(numEntries)   ; 戻り値は stat
; engineHandle : FWPM_ENGINE_HANDLE -> "sptr"
; entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> "sptr"
; numEntries : DWORD* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "fwpuclnt.dll"
#cfunc global FwpmProviderContextSubscriptionsGet0 "FwpmProviderContextSubscriptionsGet0" int, var, var
; res = FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
; engineHandle : FWPM_ENGINE_HANDLE -> "int"
; entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> "var"
; numEntries : DWORD* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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: 
; DWORD FwpmProviderContextSubscriptionsGet0(FWPM_ENGINE_HANDLE engineHandle, FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** entries, DWORD* numEntries)
#uselib "fwpuclnt.dll"
#cfunc global FwpmProviderContextSubscriptionsGet0 "FwpmProviderContextSubscriptionsGet0" int, var, var
; res = FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
; engineHandle : FWPM_ENGINE_HANDLE -> "int"
; entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> "var"
; numEntries : DWORD* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	fwpuclnt = windows.NewLazySystemDLL("fwpuclnt.dll")
	procFwpmProviderContextSubscriptionsGet0 = fwpuclnt.NewProc("FwpmProviderContextSubscriptionsGet0")
)

// engineHandle (FWPM_ENGINE_HANDLE), entries (FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out), numEntries (DWORD* out)
r1, _, err := procFwpmProviderContextSubscriptionsGet0.Call(
	uintptr(engineHandle),
	uintptr(entries),
	uintptr(numEntries),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD
function FwpmProviderContextSubscriptionsGet0(
  engineHandle: FWPM_ENGINE_HANDLE;   // FWPM_ENGINE_HANDLE
  entries: Pointer;   // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
  numEntries: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmProviderContextSubscriptionsGet0';
result := DllCall("fwpuclnt\FwpmProviderContextSubscriptionsGet0"
    , "Ptr", engineHandle   ; FWPM_ENGINE_HANDLE
    , "Ptr", entries   ; FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    , "Ptr", numEntries   ; DWORD* out
    , "UInt")   ; return: DWORD
●FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries) = DLL("fwpuclnt.dll", "dword FwpmProviderContextSubscriptionsGet0(void*, void*, void*)")
# 呼び出し: FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
# engineHandle : FWPM_ENGINE_HANDLE -> "void*"
# entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> "void*"
# numEntries : 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)。
const std = @import("std");

extern "fwpuclnt" fn FwpmProviderContextSubscriptionsGet0(
    engineHandle: FWPM_ENGINE_HANDLE, // FWPM_ENGINE_HANDLE
    entries: [*c][*c][*c]FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0, // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    numEntries: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) u32;
proc FwpmProviderContextSubscriptionsGet0(
    engineHandle: FWPM_ENGINE_HANDLE,  # FWPM_ENGINE_HANDLE
    entries: ptr FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0,  # FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    numEntries: ptr uint32  # DWORD* out
): uint32 {.importc: "FwpmProviderContextSubscriptionsGet0", stdcall, dynlib: "fwpuclnt.dll".}
pragma(lib, "fwpuclnt");
extern(Windows)
uint FwpmProviderContextSubscriptionsGet0(
    FWPM_ENGINE_HANDLE engineHandle,   // FWPM_ENGINE_HANDLE
    FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** entries,   // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    uint* numEntries   // DWORD* out
);
ccall((:FwpmProviderContextSubscriptionsGet0, "fwpuclnt.dll"), stdcall, UInt32,
      (FWPM_ENGINE_HANDLE, Ptr{FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0}, Ptr{UInt32}),
      engineHandle, entries, numEntries)
# engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE
# entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> Ptr{FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0}
# numEntries : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t FwpmProviderContextSubscriptionsGet0(
    FWPM_ENGINE_HANDLE engineHandle,
    void* entries,
    uint32_t* numEntries);
]]
local fwpuclnt = ffi.load("fwpuclnt")
-- fwpuclnt.FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
-- engineHandle : FWPM_ENGINE_HANDLE
-- entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
-- numEntries : DWORD* 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('fwpuclnt.dll');
const FwpmProviderContextSubscriptionsGet0 = lib.func('__stdcall', 'FwpmProviderContextSubscriptionsGet0', 'uint32_t', ['FWPM_ENGINE_HANDLE', 'void *', 'uint32_t *']);
// FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
// engineHandle : FWPM_ENGINE_HANDLE -> 'FWPM_ENGINE_HANDLE'
// entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> 'void *'
// numEntries : DWORD* 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("fwpuclnt.dll", {
  FwpmProviderContextSubscriptionsGet0: { parameters: ["buffer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries)
// engineHandle : FWPM_ENGINE_HANDLE -> "buffer"
// entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> "pointer"
// numEntries : DWORD* 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
uint32_t FwpmProviderContextSubscriptionsGet0(
    FWPM_ENGINE_HANDLE engineHandle,
    void* entries,
    uint32_t* numEntries);
C, "fwpuclnt.dll");
// $ffi->FwpmProviderContextSubscriptionsGet0(engineHandle, entries, numEntries);
// engineHandle : FWPM_ENGINE_HANDLE
// entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
// numEntries : DWORD* 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 Fwpuclnt extends StdCallLibrary {
    Fwpuclnt INSTANCE = Native.load("fwpuclnt", Fwpuclnt.class);
    int FwpmProviderContextSubscriptionsGet0(
        FWPM_ENGINE_HANDLE /* extends Structure (by value) */ engineHandle,   // FWPM_ENGINE_HANDLE
        Pointer entries,   // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
        IntByReference numEntries   // DWORD* out
    );
}
@[Link("fwpuclnt")]
lib Libfwpuclnt
  fun FwpmProviderContextSubscriptionsGet0 = FwpmProviderContextSubscriptionsGet0(
    engineHandle : FWPM_ENGINE_HANDLE,   # FWPM_ENGINE_HANDLE
    entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0***,   # FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
    numEntries : UInt32*   # DWORD* out
  ) : UInt32
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 FwpmProviderContextSubscriptionsGet0Native = Uint32 Function(FWPM_ENGINE_HANDLE, Pointer<Void>, Pointer<Uint32>);
typedef FwpmProviderContextSubscriptionsGet0Dart = int Function(int, Pointer<Void>, Pointer<Uint32>);
final FwpmProviderContextSubscriptionsGet0 = DynamicLibrary.open('fwpuclnt.dll')
    .lookupFunction<FwpmProviderContextSubscriptionsGet0Native, FwpmProviderContextSubscriptionsGet0Dart>('FwpmProviderContextSubscriptionsGet0');
// engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE
// entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> Pointer<Void>
// numEntries : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function FwpmProviderContextSubscriptionsGet0(
  engineHandle: FWPM_ENGINE_HANDLE;   // FWPM_ENGINE_HANDLE
  entries: Pointer;   // FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
  numEntries: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'fwpuclnt.dll' name 'FwpmProviderContextSubscriptionsGet0';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "FwpmProviderContextSubscriptionsGet0"
  c_FwpmProviderContextSubscriptionsGet0 :: FWPM_ENGINE_HANDLE -> Ptr () -> Ptr Word32 -> IO Word32
-- engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE
-- entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> Ptr ()
-- numEntries : DWORD* 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。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。
open Ctypes
open Foreign

let fwpmprovidercontextsubscriptionsget0 =
  foreign "FwpmProviderContextSubscriptionsGet0"
    (FWPM_ENGINE_HANDLE @-> (ptr void) @-> (ptr uint32_t) @-> returning uint32_t)
(* engineHandle : FWPM_ENGINE_HANDLE -> FWPM_ENGINE_HANDLE *)
(* entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> (ptr void) *)
(* numEntries : DWORD* 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 fwpuclnt (t "fwpuclnt.dll"))
(cffi:use-foreign-library fwpuclnt)

(cffi:defcfun ("FwpmProviderContextSubscriptionsGet0" fwpm-provider-context-subscriptions-get0 :convention :stdcall) :uint32
  (engine-handle (:struct fwpm-engine-handle))   ; FWPM_ENGINE_HANDLE
  (entries :pointer)   ; FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out
  (num-entries :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $FwpmProviderContextSubscriptionsGet0 = Win32::API::More->new('fwpuclnt',
    'DWORD FwpmProviderContextSubscriptionsGet0(LPVOID engineHandle, LPVOID entries, LPVOID numEntries)');
# my $ret = $FwpmProviderContextSubscriptionsGet0->Call($engineHandle, $entries, $numEntries);
# engineHandle : FWPM_ENGINE_HANDLE -> LPVOID
# entries : FWPM_PROVIDER_CONTEXT_SUBSCRIPTION0*** out -> LPVOID
# numEntries : DWORD* 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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