AmsiScanBuffer

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

HRESULT AmsiScanBuffer(
    HAMSICONTEXT amsiContext,
    void* buffer,
    DWORD length,
    LPCWSTR contentName,   // optional
    HAMSISESSION amsiSession,   // optional
    AMSI_RESULT* result
);

<DllImport("Amsi.dll", ExactSpelling:=True)>
Public Shared Function AmsiScanBuffer(
    amsiContext As IntPtr,   ' HAMSICONTEXT
    buffer As IntPtr,   ' void*
    length As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> contentName As String,   ' LPCWSTR optional
    amsiSession As IntPtr,   ' HAMSISESSION optional
    <Out> ByRef result As Integer   ' AMSI_RESULT* out
) As Integer
End Function

' amsiContext : HAMSICONTEXT
' buffer : void*
' length : DWORD
' contentName : LPCWSTR optional
' amsiSession : HAMSISESSION optional
' result : AMSI_RESULT* out
Declare PtrSafe Function AmsiScanBuffer Lib "amsi" ( _
    ByVal amsiContext As LongPtr, _
    ByVal buffer As LongPtr, _
    ByVal length As Long, _
    ByVal contentName As LongPtr, _
    ByVal amsiSession As LongPtr, _
    ByRef result 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

AmsiScanBuffer = ctypes.windll.amsi.AmsiScanBuffer
AmsiScanBuffer.restype = ctypes.c_int
AmsiScanBuffer.argtypes = [
    wintypes.HANDLE,  # amsiContext : HAMSICONTEXT
    ctypes.POINTER(None),  # buffer : void*
    wintypes.DWORD,  # length : DWORD
    wintypes.LPCWSTR,  # contentName : LPCWSTR optional
    wintypes.HANDLE,  # amsiSession : HAMSISESSION optional
    ctypes.c_void_p,  # result : AMSI_RESULT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Amsi.dll')
AmsiScanBuffer = Fiddle::Function.new(
  lib['AmsiScanBuffer'],
  [
    Fiddle::TYPE_VOIDP,  # amsiContext : HAMSICONTEXT
    Fiddle::TYPE_VOIDP,  # buffer : void*
    -Fiddle::TYPE_INT,  # length : DWORD
    Fiddle::TYPE_VOIDP,  # contentName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # amsiSession : HAMSISESSION optional
    Fiddle::TYPE_VOIDP,  # result : AMSI_RESULT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "amsi")]
extern "system" {
    fn AmsiScanBuffer(
        amsiContext: *mut core::ffi::c_void,  // HAMSICONTEXT
        buffer: *mut (),  // void*
        length: u32,  // DWORD
        contentName: *const u16,  // LPCWSTR optional
        amsiSession: *mut core::ffi::c_void,  // HAMSISESSION optional
        result: *mut i32  // AMSI_RESULT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Amsi.dll")]
public static extern int AmsiScanBuffer(IntPtr amsiContext, IntPtr buffer, uint length, [MarshalAs(UnmanagedType.LPWStr)] string contentName, IntPtr amsiSession, out int result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Amsi_AmsiScanBuffer' -Namespace Win32 -PassThru
# $api::AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result)

#uselib "Amsi.dll"
#func global AmsiScanBuffer "AmsiScanBuffer" sptr, sptr, sptr, sptr, sptr, sptr
; AmsiScanBuffer amsiContext, buffer, length, contentName, amsiSession, varptr(result)   ; 戻り値は stat
; amsiContext : HAMSICONTEXT -> "sptr"
; buffer : void* -> "sptr"
; length : DWORD -> "sptr"
; contentName : LPCWSTR optional -> "sptr"
; amsiSession : HAMSISESSION optional -> "sptr"
; result : AMSI_RESULT* 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。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	amsi = windows.NewLazySystemDLL("Amsi.dll")
	procAmsiScanBuffer = amsi.NewProc("AmsiScanBuffer")
)

// amsiContext (HAMSICONTEXT), buffer (void*), length (DWORD), contentName (LPCWSTR optional), amsiSession (HAMSISESSION optional), result (AMSI_RESULT* out)
r1, _, err := procAmsiScanBuffer.Call(
	uintptr(amsiContext),
	uintptr(buffer),
	uintptr(length),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(contentName))),
	uintptr(amsiSession),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AmsiScanBuffer(
  amsiContext: THandle;   // HAMSICONTEXT
  buffer: Pointer;   // void*
  length: DWORD;   // DWORD
  contentName: PWideChar;   // LPCWSTR optional
  amsiSession: THandle;   // HAMSISESSION optional
  result: Pointer   // AMSI_RESULT* out
): Integer; stdcall;
  external 'Amsi.dll' name 'AmsiScanBuffer';

result := DllCall("Amsi\AmsiScanBuffer"
    , "Ptr", amsiContext   ; HAMSICONTEXT
    , "Ptr", buffer   ; void*
    , "UInt", length   ; DWORD
    , "WStr", contentName   ; LPCWSTR optional
    , "Ptr", amsiSession   ; HAMSISESSION optional
    , "Ptr", result   ; AMSI_RESULT* out
    , "Int")   ; return: HRESULT

●AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result) = DLL("Amsi.dll", "int AmsiScanBuffer(void*, void*, dword, char*, void*, void*)")
# 呼び出し: AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result)
# amsiContext : HAMSICONTEXT -> "void*"
# buffer : void* -> "void*"
# length : DWORD -> "dword"
# contentName : LPCWSTR optional -> "char*"
# amsiSession : HAMSISESSION optional -> "void*"
# result : AMSI_RESULT* 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 "amsi" fn AmsiScanBuffer(
    amsiContext: ?*anyopaque, // HAMSICONTEXT
    buffer: ?*anyopaque, // void*
    length: u32, // DWORD
    contentName: [*c]const u16, // LPCWSTR optional
    amsiSession: ?*anyopaque, // HAMSISESSION optional
    result: [*c]i32 // AMSI_RESULT* out
) callconv(std.os.windows.WINAPI) i32;

proc AmsiScanBuffer(
    amsiContext: pointer,  # HAMSICONTEXT
    buffer: pointer,  # void*
    length: uint32,  # DWORD
    contentName: WideCString,  # LPCWSTR optional
    amsiSession: pointer,  # HAMSISESSION optional
    result: ptr int32  # AMSI_RESULT* out
): int32 {.importc: "AmsiScanBuffer", stdcall, dynlib: "Amsi.dll".}

pragma(lib, "amsi");
extern(Windows)
int AmsiScanBuffer(
    void* amsiContext,   // HAMSICONTEXT
    void* buffer,   // void*
    uint length,   // DWORD
    const(wchar)* contentName,   // LPCWSTR optional
    void* amsiSession,   // HAMSISESSION optional
    int* result   // AMSI_RESULT* out
);

ccall((:AmsiScanBuffer, "Amsi.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Cwstring, Ptr{Cvoid}, Ptr{Int32}),
      amsiContext, buffer, length, contentName, amsiSession, result)
# amsiContext : HAMSICONTEXT -> Ptr{Cvoid}
# buffer : void* -> Ptr{Cvoid}
# length : DWORD -> UInt32
# contentName : LPCWSTR optional -> Cwstring
# amsiSession : HAMSISESSION optional -> Ptr{Cvoid}
# result : AMSI_RESULT* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t AmsiScanBuffer(
    void* amsiContext,
    void* buffer,
    uint32_t length,
    const uint16_t* contentName,
    void* amsiSession,
    int32_t* result);
]]
local amsi = ffi.load("amsi")
-- amsi.AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result)
-- amsiContext : HAMSICONTEXT
-- buffer : void*
-- length : DWORD
-- contentName : LPCWSTR optional
-- amsiSession : HAMSISESSION optional
-- result : AMSI_RESULT* 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('Amsi.dll');
const AmsiScanBuffer = lib.func('__stdcall', 'AmsiScanBuffer', 'int32_t', ['void *', 'void *', 'uint32_t', 'str16', 'void *', 'int32_t *']);
// AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result)
// amsiContext : HAMSICONTEXT -> 'void *'
// buffer : void* -> 'void *'
// length : DWORD -> 'uint32_t'
// contentName : LPCWSTR optional -> 'str16'
// amsiSession : HAMSISESSION optional -> 'void *'
// result : AMSI_RESULT* out -> 'int32_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("Amsi.dll", {
  AmsiScanBuffer: { parameters: ["pointer", "pointer", "u32", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result)
// amsiContext : HAMSICONTEXT -> "pointer"
// buffer : void* -> "pointer"
// length : DWORD -> "u32"
// contentName : LPCWSTR optional -> "buffer"
// amsiSession : HAMSISESSION optional -> "pointer"
// result : AMSI_RESULT* 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
int32_t AmsiScanBuffer(
    void* amsiContext,
    void* buffer,
    uint32_t length,
    const uint16_t* contentName,
    void* amsiSession,
    int32_t* result);
C, "Amsi.dll");
// $ffi->AmsiScanBuffer(amsiContext, buffer, length, contentName, amsiSession, result);
// amsiContext : HAMSICONTEXT
// buffer : void*
// length : DWORD
// contentName : LPCWSTR optional
// amsiSession : HAMSISESSION optional
// result : AMSI_RESULT* 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 Amsi extends StdCallLibrary {
    Amsi INSTANCE = Native.load("amsi", Amsi.class);
    int AmsiScanBuffer(
        Pointer amsiContext,   // HAMSICONTEXT
        Pointer buffer,   // void*
        int length,   // DWORD
        WString contentName,   // LPCWSTR optional
        Pointer amsiSession,   // HAMSISESSION optional
        IntByReference result   // AMSI_RESULT* out
    );
}

@[Link("amsi")]
lib LibAmsi
  fun AmsiScanBuffer = AmsiScanBuffer(
    amsiContext : Void*,   # HAMSICONTEXT
    buffer : Void*,   # void*
    length : UInt32,   # DWORD
    contentName : UInt16*,   # LPCWSTR optional
    amsiSession : Void*,   # HAMSISESSION optional
    result : Int32*   # AMSI_RESULT* 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 AmsiScanBufferNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32, Pointer<Utf16>, Pointer<Void>, Pointer<Int32>);
typedef AmsiScanBufferDart = int Function(Pointer<Void>, Pointer<Void>, int, Pointer<Utf16>, Pointer<Void>, Pointer<Int32>);
final AmsiScanBuffer = DynamicLibrary.open('Amsi.dll')
    .lookupFunction<AmsiScanBufferNative, AmsiScanBufferDart>('AmsiScanBuffer');
// amsiContext : HAMSICONTEXT -> Pointer<Void>
// buffer : void* -> Pointer<Void>
// length : DWORD -> Uint32
// contentName : LPCWSTR optional -> Pointer<Utf16>
// amsiSession : HAMSISESSION optional -> Pointer<Void>
// result : AMSI_RESULT* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function AmsiScanBuffer(
  amsiContext: THandle;   // HAMSICONTEXT
  buffer: Pointer;   // void*
  length: DWORD;   // DWORD
  contentName: PWideChar;   // LPCWSTR optional
  amsiSession: THandle;   // HAMSISESSION optional
  result: Pointer   // AMSI_RESULT* out
): Integer; stdcall;
  external 'Amsi.dll' name 'AmsiScanBuffer';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "AmsiScanBuffer"
  c_AmsiScanBuffer :: Ptr () -> Ptr () -> Word32 -> CWString -> Ptr () -> Ptr Int32 -> IO Int32
-- amsiContext : HAMSICONTEXT -> Ptr ()
-- buffer : void* -> Ptr ()
-- length : DWORD -> Word32
-- contentName : LPCWSTR optional -> CWString
-- amsiSession : HAMSISESSION optional -> Ptr ()
-- result : AMSI_RESULT* out -> Ptr Int32
-- 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 amsiscanbuffer =
  foreign "AmsiScanBuffer"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> (ptr uint16_t) @-> (ptr void) @-> (ptr int32_t) @-> returning int32_t)
(* amsiContext : HAMSICONTEXT -> (ptr void) *)
(* buffer : void* -> (ptr void) *)
(* length : DWORD -> uint32_t *)
(* contentName : LPCWSTR optional -> (ptr uint16_t) *)
(* amsiSession : HAMSISESSION optional -> (ptr void) *)
(* result : AMSI_RESULT* out -> (ptr int32_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 amsi (t "Amsi.dll"))
(cffi:use-foreign-library amsi)

(cffi:defcfun ("AmsiScanBuffer" amsi-scan-buffer :convention :stdcall) :int32
  (amsi-context :pointer)   ; HAMSICONTEXT
  (buffer :pointer)   ; void*
  (length :uint32)   ; DWORD
  (content-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (amsi-session :pointer)   ; HAMSISESSION optional
  (result :pointer))   ; AMSI_RESULT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $AmsiScanBuffer = Win32::API::More->new('Amsi',
    'int AmsiScanBuffer(HANDLE amsiContext, LPVOID buffer, DWORD length, LPCWSTR contentName, HANDLE amsiSession, LPVOID result)');
# my $ret = $AmsiScanBuffer->Call($amsiContext, $buffer, $length, $contentName, $amsiSession, $result);
# amsiContext : HAMSICONTEXT -> HANDLE
# buffer : void* -> LPVOID
# length : DWORD -> DWORD
# contentName : LPCWSTR optional -> LPCWSTR
# amsiSession : HAMSISESSION optional -> HANDLE
# result : AMSI_RESULT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。