#include "stdafx.h"
#pragma once
#include "targetver.h"
#include <stdio.h>
#include <tchar.h>
#include <Windows.h>
typedef struct _FILE_DIRECTORY_INFORMATION {
  ULONG         NextEntryOffset;
  ULONG         FileIndex;
  LARGE_INTEGER CreationTime;
  LARGE_INTEGER LastAccessTime;
  LARGE_INTEGER LastWriteTime;
  LARGE_INTEGER ChangeTime;
  LARGE_INTEGER EndOfFile;
  LARGE_INTEGER AllocationSize;
  ULONG         FileAttributes;
  ULONG         FileNameLength;
  WCHAR         FileName[1];
};

typedef DWORD(_stdcall * NtQDFtype)(
  _In_     HANDLE                       FileHandle,
  _In_opt_ DWORD                        Event,
  _In_opt_ DWORD                        ApcRoutine,
  _In_opt_ DWORD                        ApcContext,
  _Out_    DWORD*                       IoStatusBlock,
  _Out_    _FILE_DIRECTORY_INFORMATION* FileInformation,
  _In_     DWORD                        Length,
  _In_     DWORD                        FileInformationClass,
  _In_     BOOLEAN                      ReturnSingleEntry,
  _In_opt_ DWORD                        FileName,
  _In_     BOOLEAN                      RestartScan
);

NtQDFtype NtQueryDirectoryFile = NULL;
_FILE_DIRECTORY_INFORMATION * list;
DWORD IoStatusBlock;
DWORD restart;

int _tmain(int argc, _TCHAR* argv[])
{
    HMODULE handle = GetModuleHandleA("ntdll.dll");
    NtQueryDirectoryFile = (NtQDFtype)GetProcAddress(handle, "NtQueryDirectoryFile");
    HANDLE file = CreateFileA("\\\\.\\Pipe\\", 0x80000000, 7u, 0, 3u, 0, 0);
    list = (_FILE_DIRECTORY_INFORMATION*) malloc(4096);
    restart = 1;
    for (int i = NtQueryDirectoryFile(file, 0, 0, 0, &IoStatusBlock, list, 4096, 1, 0, 0, restart);
             i >= 0;
             i = NtQueryDirectoryFile(file, 0, 0, 0, &IoStatusBlock, list, 4096, 1, 0, 0, restart) )
    {
        for(_FILE_DIRECTORY_INFORMATION* j = list; ; j = (_FILE_DIRECTORY_INFORMATION*)((char *)j + j->NextEntryOffset))
        {
            for(int k = 0; k < j->FileNameLength / 2; k++)
                printf("%C", j->FileName[k]);
            printf("\n");
            if(!j->NextEntryOffset)
                break;
        }
        restart = 0;
    }
    CloseHandle(file);
    return 0;
}