用Windows Native API枚举所有句柄及查找文件句柄对应文件名的方法

typedef struct _FILE_NAME_INFORMATION {
    ULONG FileNameLength;
    WCHAR FileName[256];//256我自己定的，可以改成其他的，只要够放位置就行
} FILE_NAME_INFORMATION, *PFILE_NAME_INFORMATION;

#include <afx.h>
#include <winternl.h>
typedef DWORD(WINAPI *NTQUERYSYSTEMINFORMATION)(DWORD, PVOID, DWORD, PDWORD);
typedef struct _SYSTEM_HANDLE_INFORMATION
{
    ULONG ProcessId;
    UCHAR ObjectTypeNumber;
    UCHAR Flags;
    USHORT Handle;
    PVOID Object;
    ACCESS_MASK GrantedAccess;
}SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION;
#define STATUS_INFO_LENGTH_MISMATCH 0x004
typedef struct _SYSTEM_HANDLE_INFORMATION_EX
{
    ULONG NumberOfHandles;
    SYSTEM_HANDLE_INFORMATION Information[165536];
}SYSTEM_HANDLE_INFORMATION_EX, *PSYSTEM_HANDLE_INFORMATION_EX;
#define SystemHandleInformation 0x10  // 16
typedef struct _FILE_NAME_INFORMATION {
    ULONG FileNameLength;
    WCHAR FileName[256];
} FILE_NAME_INFORMATION, *PFILE_NAME_INFORMATION;
typedef struct _NM_INFO
{
    HANDLE   hFile;
    FILE_NAME_INFORMATION Info;
} NM_INFO, *PNM_INFO;
typedef enum _RFILE_INFORMATION_CLASS {
    FileDirectoryInformation1 = 1,
    FileFullDirectoryInformation,
    FileBothDirectoryInformation,
    FileBasicInformation,
    FileStandardInformation,
    FileInternalInformation,
    FileEaInformation,
    FileAccessInformation,
    FileNameInformation,
    FileRenameInformation,
    FileLinkInformation,
    FileNamesInformation,
    FileDispositionInformation,
    FilePositionInformation,
    FileFullEaInformation,
    FileModeInformation,
    FileAlignmentInformation,
    FileAllInformation,
    FileAllocationInformation,
    FileEndOfFileInformation,
    FileAlternateNameInformation,
    FileStreamInformation,
    FilePipeInformation,
    FilePipeLocalInformation,
    FilePipeRemoteInformation,
    FileMailslotQueryInformation,
    FileMailslotSetInformation,
    FileCompressionInformation,
    FileObjectIdInformation,
    FileCompletionInformation,
    FileMoveClusterInformation,
    FileQuotaInformation,
    FileReparsePointInformation,
    FileNetworkOpenInformation,
    FileAttributeTagInformation,
    FileTrackingInformation,
    FileIdBothDirectoryInformation,
    FileIdFullDirectoryInformation,
    FileValidDataLengthInformation,
    FileShortNameInformation,
    FileIoCompletionNotificationInformation,
    FileIoStatusBlockRangeInformation,
    FileIoPriorityHintInformation,
    FileSfioReserveInformation,
    FileSfioVolumeInformation,
    FileHardLinkInformation,
    FileProcessIdsUsingFileInformation,
    FileNormalizedNameInformation,
    FileNetworkPhysicalNameInformation,
    FileIdGlobalTxDirectoryInformation,
    FileIsRemoteDeviceInformation,
    FileUnusedInformation,
    FileNumaNodeInformation,
    FileStandardLinkInformation,
    FileRemoteProtocolInformation,
    FileRenameInformationBypassAccessCheck,
    FileLinkInformationBypassAccessCheck,
    FileVolumeNameInformation,
    FileIdInformation,
    FileIdExtdDirectoryInformation,
    FileReplaceCompletionInformation,
    FileHardLinkFullIdInformation,
    FileIdExtdBothDirectoryInformation,
    FileMaximumInformation
} RFILE_INFORMATION_CLASS, *PRFILE_INFORMATION_CLASS;
typedef NTSTATUS(WINAPI *ZWQUERYINFORMATIONFILE)(HANDLE, PIO_STATUS_BLOCK, PVOID, ULONG, RFILE_INFORMATION_CLASS);
CString GetFileName(HMODULE hNtDll, PNM_INFO lpParameter)
{
    PNM_INFO         NmInfo = (PNM_INFO)lpParameter;
    IO_STATUS_BLOCK IoStatus;
    ZWQUERYINFORMATIONFILE ZwQueryInformationFile =
        (ZWQUERYINFORMATIONFILE)GetProcAddress(hNtDll, "ZwQueryInformationFile");
    ZwQueryInformationFile(NmInfo->hFile, &IoStatus, &NmInfo->Info, 256, RFILE_INFORMATION_CLASS::FileNameInformation);
    if (NmInfo->Info.FileNameLength != 0)
    {
        CString str;
        str.Append(NmInfo->Info.FileName, NmInfo->Info.FileNameLength / sizeof(WCHAR));
        return str;
    }
    return CString();
}
extern "C" int WINAPI _tWinMain(HINSTANCE /*hInstance*/, HINSTANCE /*hPrevInstance*/,
    LPTSTR /*lpCmdLine*/, int nShowCmd)
{
    HMODULE hNtDll = LoadLibrary(L"ntdll.dll");
    NTQUERYSYSTEMINFORMATION NtQuerySystemInformation =
        (NTQUERYSYSTEMINFORMATION)GetProcAddress(hNtDll, "ZwQuerySystemInformation");
    ULONG cbBuffer = sizeof(SYSTEM_HANDLE_INFORMATION_EX);
    LPVOID pBuffer = (LPVOID)malloc(cbBuffer);
    auto id=  GetCurrentProcessId();
    if (pBuffer)
    {
        NtQuerySystemInformation(SystemHandleInformation, pBuffer, cbBuffer, NULL);
        PSYSTEM_HANDLE_INFORMATION_EX pInfo = (PSYSTEM_HANDLE_INFORMATION_EX)pBuffer;
        for (ULONG r = 0; r < pInfo->NumberOfHandles; r++)
        {
            if (pInfo->Information[r].ObjectTypeNumber == 35)
            {
                NM_INFO nmInfo = { 0 };
                nmInfo.hFile = (HANDLE)pInfo->Information[r].Handle;
                CString fileName = GetFileName(hNtDll, &nmInfo);
                if (!fileName.IsEmpty())
                {
                    if (fileName.Find(L"ABC") != -1)
                    {
                        CloseHandle(nmInfo.hFile);
                    }
                }
            }
        }
        
        free(pBuffer);
    }
    FreeModule(hNtDll);
    return 0;
}