C++ NtOpenFile函数代码示例

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本文整理汇总了C++中NtOpenFile函数的典型用法代码示例。如果您正苦于以下问题：C++ NtOpenFile函数的具体用法？C++ NtOpenFile怎么用？C++ NtOpenFile使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NtOpenFile函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: winfs_unlink

static int winfs_unlink(struct mount_point *mp, const char *pathname)
{
	WCHAR wpathname[PATH_MAX];
	int len = filename_to_nt_pathname(mp, pathname, wpathname, PATH_MAX);
	if (len <= 0)
		return -L_ENOENT;

	UNICODE_STRING object_name;
	RtlInitCountedUnicodeString(&object_name, wpathname, len * sizeof(WCHAR));

	OBJECT_ATTRIBUTES attr;
	attr.Length = sizeof(OBJECT_ATTRIBUTES);
	attr.RootDirectory = NULL;
	attr.ObjectName = &object_name;
	attr.Attributes = 0;
	attr.SecurityDescriptor = NULL;
	attr.SecurityQualityOfService = NULL;
	IO_STATUS_BLOCK status_block;
	NTSTATUS status;
	HANDLE handle;
	status = NtOpenFile(&handle, DELETE, &attr, &status_block, FILE_SHARE_DELETE, FILE_NON_DIRECTORY_FILE | FILE_OPEN_FOR_BACKUP_INTENT);
	if (!NT_SUCCESS(status))
	{
		if (status != STATUS_SHARING_VIOLATION)
		{
			log_warning("NtOpenFile() failed, status: %x", status);
			return -L_ENOENT;
		}
		/* This file has open handles in some processes, even we set delete disposition flags
		 * The actual deletion of the file will be delayed to the last handle closing
		 * To make the file disappear from its parent directory immediately, we move the file
		 * to Windows recycle bin prior to deletion.
		 */
		status = NtOpenFile(&handle, DELETE, &attr, &status_block, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
			FILE_NON_DIRECTORY_FILE | FILE_OPEN_FOR_BACKUP_INTENT);
		if (!NT_SUCCESS(status))
		{
			log_warning("NtOpenFile() failed, status: %x", status);
			return -L_EBUSY;
		}
		status = move_to_recycle_bin(handle, wpathname);
		if (!NT_SUCCESS(status))
			return -L_EBUSY;
	}
	/* Set disposition flag */
	FILE_DISPOSITION_INFORMATION info;
	info.DeleteFile = TRUE;
	status = NtSetInformationFile(handle, &status_block, &info, sizeof(info), FileDispositionInformation);
	if (!NT_SUCCESS(status))
	{
		log_warning("NtSetInformation(FileDispositionInformation) failed, status: %x", status);
		return -L_EBUSY;
	}
	NtClose(handle);
	return 0;
}

开发者ID:Logan-lu，项目名称:flinux，代码行数:56，代码来源:winfs.c

示例2: GetFileAttributes2

DWORD GetFileAttributes2(POBJECT_ATTRIBUTES ObjectAttributes)
{
	HANDLE hFile;
	IO_STATUS_BLOCK IoStatusBlock;

	auto Status = NtOpenFile(&hFile, FILE_READ_ATTRIBUTES | SYNCHRONIZE, ObjectAttributes, &IoStatusBlock, FILE_SHARE_VALID_FLAGS, FILE_OPEN_REPARSE_POINT | FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_BACKUP_INTENT);

	if (Status)
	{
		goto Error;
	}


	FILE_BASIC_INFORMATION Info;

	Status = NtQueryInformationFile(hFile, &IoStatusBlock, &Info, sizeof(Info), FileBasicInformation);

	NtClose(hFile);

	if (Status)
	{
	Error:

		SetLastError(RtlNtStatusToDosError(Status));

		return -1;
	}
	else
	{
		return Info.FileAttributes;
	}
}

开发者ID:Chuyu-Team，项目名称:CPPHelper，代码行数:32，代码来源:FileHelper.cpp

示例3: NtGetFileId

NTSTATUS __fastcall NtGetFileId(POBJECT_ATTRIBUTES ObjectAttributes, FILE_STANDARD_INFORMATION* pFileStandardInfo, FILE_INTERNAL_INFORMATION* pFileInternalInfo)
{
	HANDLE hFile;
	//OBJECT_ATTRIBUTES ObjectAttributes = { sizeof(OBJECT_ATTRIBUTES), hRootDir, (UNICODE_STRING*)&FileName, OBJ_CASE_INSENSITIVE };
	IO_STATUS_BLOCK IoStatusBlock;


	auto Status = NtOpenFile(&hFile, SYNCHRONIZE, ObjectAttributes, &IoStatusBlock, FILE_SHARE_VALID_FLAGS, FILE_OPEN_REPARSE_POINT | FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_BACKUP_INTENT);

	if (Status)
		return Status;
	if (pFileStandardInfo)
	{
		if (Status = NtQueryInformationFile(hFile, &IoStatusBlock, pFileStandardInfo, sizeof(FILE_STANDARD_INFORMATION), FileStandardInformation))
		{
			goto End;
		}
	}

	if (pFileInternalInfo)
	{
		if (Status = NtQueryInformationFile(hFile, &IoStatusBlock, pFileInternalInfo, sizeof(FILE_INTERNAL_INFORMATION), FileInternalInformation))
		{
			goto End;
		}
	}


End:

	NtClose(hFile);

	return Status;
}

开发者ID:Chuyu-Team，项目名称:CPPHelper，代码行数:34，代码来源:FileHelper.cpp

示例4: sprintf

bool CIoSupport::PartitionExists(int nPartition)
{
#ifdef _XBOX
  char szPartition[32];
  ANSI_STRING part_string;
  NTSTATUS status;
  HANDLE hTemp;
  OBJECT_ATTRIBUTES oa;
  IO_STATUS_BLOCK iosb;

  sprintf(szPartition, "\\Device\\Harddisk0\\Partition%u", nPartition);
  RtlInitAnsiString(&part_string, szPartition);

  oa.Attributes = OBJ_CASE_INSENSITIVE;
  oa.ObjectName = &part_string;
  oa.RootDirectory = 0;

  status = NtOpenFile(&hTemp, GENERIC_READ | GENERIC_WRITE, &oa, &iosb, FILE_SHARE_READ | FILE_SHARE_WRITE, FILE_SYNCHRONOUS_IO_ALERT);

  if (NT_SUCCESS(status))
  {
    CloseHandle(hTemp);
    return true;
  }

  return false;
#else
  return false;
#endif
}

开发者ID:SHPURDYdBurt，项目名称:https-github.com-xbmc-atv2，代码行数:30，代码来源:IoSupport.cpp

示例5: DoesFileExist

BOOLEAN
DoesFileExist(
    IN HANDLE RootDirectory OPTIONAL,
    IN PCWSTR PathNameToFile)
{
    NTSTATUS Status;
    UNICODE_STRING FileName;
    HANDLE FileHandle;
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;

    RtlInitUnicodeString(&FileName, PathNameToFile);

    InitializeObjectAttributes(&ObjectAttributes,
                               &FileName,
                               OBJ_CASE_INSENSITIVE,
                               RootDirectory,
                               NULL);

    Status = NtOpenFile(&FileHandle,
                        FILE_GENERIC_READ, // Contains SYNCHRONIZE
                        &ObjectAttributes,
                        &IoStatusBlock,
                        FILE_SHARE_READ | FILE_SHARE_WRITE,
                        FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE);
    if (NT_SUCCESS(Status))
        NtClose(FileHandle);
    else
        DPRINT("Failed to open file '%wZ', Status 0x%08lx\n", &FileName, Status);

    return NT_SUCCESS(Status);
}

开发者ID:hatermater，项目名称:reactos，代码行数:32，代码来源:filesup.c

示例6: fs_open

void fs_open(PUNICODE_STRING DriveRoot,int rw)
{
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK Iosb;
    NTSTATUS Status;

    InitializeObjectAttributes(&ObjectAttributes,
        DriveRoot,
        0,
        NULL,
        NULL);

    Status = NtOpenFile(&fd,
        FILE_GENERIC_READ | (rw ? FILE_GENERIC_WRITE : 0),
        &ObjectAttributes,
        &Iosb,
        rw ? 0 : FILE_SHARE_READ,
        FILE_SYNCHRONOUS_IO_ALERT);
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("NtOpenFile() failed with status 0x%.08x\n", Status);
        return;
    }

    // If rw is specified, then the volume should be exclusively locked
    if (rw) fs_lock(TRUE);

    // Query geometry and partition info, to have bytes per sector, etc

    CurrentOffset.QuadPart = 0LL;

    changes = last = NULL;
    did_change = 0;
}

开发者ID:HBelusca，项目名称:NasuTek-Odyssey，代码行数:34，代码来源:io.c

示例7: IsValidNTOSInstallation_UStr

static BOOLEAN
IsValidNTOSInstallation_UStr(
    IN PUNICODE_STRING SystemRootPath)
{
    NTSTATUS Status;
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;
    HANDLE SystemRootDirectory;
    BOOLEAN Success;

    /* Open SystemRootPath */
    InitializeObjectAttributes(&ObjectAttributes,
                               SystemRootPath,
                               OBJ_CASE_INSENSITIVE,
                               NULL,
                               NULL);
    Status = NtOpenFile(&SystemRootDirectory,
                        FILE_LIST_DIRECTORY | SYNCHRONIZE,
                        &ObjectAttributes,
                        &IoStatusBlock,
                        FILE_SHARE_READ | FILE_SHARE_WRITE,
                        FILE_SYNCHRONOUS_IO_NONALERT | FILE_DIRECTORY_FILE);
    if (!NT_SUCCESS(Status))
    {
        DPRINT1("Failed to open SystemRoot '%wZ', Status 0x%08lx\n", SystemRootPath, Status);
        return FALSE;
    }

    Success = IsValidNTOSInstallationByHandle(SystemRootDirectory);

    /* Done! */
    NtClose(SystemRootDirectory);
    return Success;
}

开发者ID:hatermater，项目名称:reactos，代码行数:34，代码来源:osdetect.c

示例8: DoesPathExist

static
BOOLEAN
DoesPathExist(
    PWSTR PathName)
{
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;
    UNICODE_STRING Name;
    HANDLE FileHandle;
    NTSTATUS Status;

    RtlInitUnicodeString(&Name,
                         PathName);

    InitializeObjectAttributes(&ObjectAttributes,
                               &Name,
                               OBJ_CASE_INSENSITIVE,
                               NULL,
                               NULL);

    Status = NtOpenFile(&FileHandle,
                        GENERIC_READ | SYNCHRONIZE,
                        &ObjectAttributes,
                        &IoStatusBlock,
                        0,
                        FILE_SYNCHRONOUS_IO_NONALERT);
    if (!NT_SUCCESS(Status))
    {
        return FALSE;
    }

    NtClose(FileHandle);

    return TRUE;
}

开发者ID:hoangduit，项目名称:reactos，代码行数:35，代码来源:filesup.c

示例9: NtOpenObject

static DWORD NtOpenObject(OBJECT_TYPE type, PHANDLE phandle, DWORD access, LPCWSTR path)
{
    UNICODE_STRING ustr;

    RtlInitUnicodeString(&ustr, path);

    OBJECT_ATTRIBUTES open_struct = { sizeof(OBJECT_ATTRIBUTES), 0x00, &ustr, 0x40 };

    if (type != FILE_OBJECT)
        access |= STANDARD_RIGHTS_READ;

    IO_STATUS_BLOCK ioStatusBlock;

    switch (type)
    {
    case DIRECTORY_OBJECT:      return NtOpenDirectoryObject(phandle, access, &open_struct);
    case SYMBOLICLINK_OBJECT:   return NtOpenSymbolicLinkObject(phandle, access, &open_struct);
    case MUTANT_OBJECT:         return NtOpenMutant(phandle, access, &open_struct);
    case SECTION_OBJECT:        return NtOpenSection(phandle, access, &open_struct);
    case EVENT_OBJECT:          return NtOpenEvent(phandle, access, &open_struct);
    case SEMAPHORE_OBJECT:      return NtOpenSemaphore(phandle, access, &open_struct);
    case TIMER_OBJECT:          return NtOpenTimer(phandle, access, &open_struct);
    case KEY_OBJECT:            return NtOpenKey(phandle, access, &open_struct);
    case EVENTPAIR_OBJECT:      return NtOpenEventPair(phandle, access, &open_struct);
    case IOCOMPLETION_OBJECT:   return NtOpenIoCompletion(phandle, access, &open_struct);
    case FILE_OBJECT:           return NtOpenFile(phandle, access, &open_struct, &ioStatusBlock, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 0);
    default:
        return ERROR_INVALID_FUNCTION;
    }
}

开发者ID:Moteesh，项目名称:reactos，代码行数:30，代码来源:ntobjenum.cpp

示例10: memset

unsigned int CIoSupport::ReadPartitionTable(PARTITION_TABLE *p_table)
{
#ifdef _XBOX
  ANSI_STRING a_file;
  OBJECT_ATTRIBUTES obj_attr;
  IO_STATUS_BLOCK io_stat_block;
  HANDLE handle;
  unsigned int stat;
  unsigned int ioctl_cmd_in_buf[100];
  unsigned int ioctl_cmd_out_buf[100];
  unsigned int partition_table_addr;

  memset(p_table, 0, sizeof(PARTITION_TABLE));

  RtlInitAnsiString(&a_file, "\\Device\\Harddisk0\\partition0");
  obj_attr.RootDirectory = 0;
  obj_attr.ObjectName = &a_file;
  obj_attr.Attributes = OBJ_CASE_INSENSITIVE;

  stat = NtOpenFile(&handle, (GENERIC_READ | 0x00100000), &obj_attr, &io_stat_block, (FILE_SHARE_READ | FILE_SHARE_WRITE), 0x10);

  if (stat != STATUS_SUCCESS)
  {
    return stat;
  }

  memset(ioctl_cmd_out_buf, 0, sizeof(ioctl_cmd_out_buf));
  memset(ioctl_cmd_in_buf, 0, sizeof(ioctl_cmd_in_buf));
  ioctl_cmd_in_buf[0] = IOCTL_SUBCMD_GET_INFO;


  stat = NtDeviceIoControlFile(handle, 0, 0, 0, &io_stat_block,
                               IOCTL_CMD_LBA48_ACCESS,
                               ioctl_cmd_in_buf, sizeof(ioctl_cmd_in_buf),
                               ioctl_cmd_out_buf, sizeof(ioctl_cmd_out_buf));

  NtClose(handle);
  if (stat != STATUS_SUCCESS)
  {
    return stat;
  }

  if ((ioctl_cmd_out_buf[LBA48_GET_INFO_MAGIC1_IDX] != LBA48_GET_INFO_MAGIC1_VAL) ||
      (ioctl_cmd_out_buf[LBA48_GET_INFO_MAGIC2_IDX] != LBA48_GET_INFO_MAGIC2_VAL))
  {

    return STATUS_UNSUCCESSFUL;
  }

  partition_table_addr = ioctl_cmd_out_buf[LBA48_GET_INFO_LOWCODE_BASE_IDX];
  partition_table_addr += ioctl_cmd_out_buf[LBA48_GET_INFO_PART_TABLE_OFS_IDX];

  memcpy(p_table, (void *)partition_table_addr, sizeof(PARTITION_TABLE));

  return STATUS_SUCCESS;
#else
  return (unsigned int) -1;
#endif
}

开发者ID:SHPURDYdBurt，项目名称:https-github.com-xbmc-atv2，代码行数:59，代码来源:IoSupport.cpp

示例11: NtDeleteFile2

NTSTATUS NtDeleteFile2(POBJECT_ATTRIBUTES ObjectAttributes)
{
	HANDLE hFile;

	IO_STATUS_BLOCK IoStatusBlock;

	auto Status = NtOpenFile(&hFile, SYNCHRONIZE | DELETE, ObjectAttributes, &IoStatusBlock, FILE_SHARE_DELETE | FILE_SHARE_READ, FILE_OPEN_REPARSE_POINT | FILE_OPEN_FOR_BACKUP_INTENT);

	if (Status)
	{
		return Status;
	}

	FILE_DISPOSITION_INFORMATION Dispostion = { TRUE };

	Status = NtSetInformationFile(hFile, &IoStatusBlock, &Dispostion, sizeof(Dispostion), FileDispositionInformation);

	NtClose(hFile);

	if (Status == 0)
		return 0;

	//使用文件取代法删除
	auto cbData = ObjectAttributes->ObjectName->Length + sizeof(L"~$") - 2;
	UNICODE_STRING TempFileName = { cbData,cbData, (wchar_t*)new byte[cbData] };

	memcpy(TempFileName.Buffer, ObjectAttributes->ObjectName->Buffer, ObjectAttributes->ObjectName->Length);
	*(wchar_t*)(((byte*)TempFileName.Buffer) + ObjectAttributes->ObjectName->Length) = L'~';
	*(wchar_t*)(((byte*)TempFileName.Buffer) + ObjectAttributes->ObjectName->Length + 2) = L'$';


	OBJECT_ATTRIBUTES ObjectAttributes2 = { sizeof(OBJECT_ATTRIBUTES),ObjectAttributes->RootDirectory, &TempFileName, OBJ_CASE_INSENSITIVE };

	auto Status2 = NtCreateFile(&hFile, SYNCHRONIZE | DELETE, &ObjectAttributes2, &IoStatusBlock, 0, FILE_ATTRIBUTE_NORMAL, 0, FILE_CREATE, FILE_OPEN_FOR_BACKUP_INTENT | FILE_DELETE_ON_CLOSE, NULL, 0);

	delete[](byte*)TempFileName.Buffer;


	cbData = sizeof(FILE_RENAME_INFORMATION) + ObjectAttributes->ObjectName->Length;

	FILE_RENAME_INFORMATION* pRenameInfo = (FILE_RENAME_INFORMATION*)new byte[cbData];

	memcpy(pRenameInfo->FileName, ObjectAttributes->ObjectName->Buffer, ObjectAttributes->ObjectName->Length);
	pRenameInfo->ReplaceIfExists = TRUE;
	pRenameInfo->RootDirectory = ObjectAttributes->RootDirectory;
	pRenameInfo->FileNameLength = ObjectAttributes->ObjectName->Length;
	//FILE_RENAME_INFORMATION RenameInfo = {TRUE,hRootDir ,FileName.};

	Status2 = NtSetInformationFile(hFile, &IoStatusBlock, pRenameInfo, cbData, FileRenameInformation);

	delete[](byte*)pRenameInfo;

	NtClose(hFile);

	return Status2 == 0 ? 0 : Status;
}

开发者ID:Chuyu-Team，项目名称:CPPHelper，代码行数:56，代码来源:FileHelper.cpp

示例12: KphConnect

NTSTATUS KphConnect(
    _In_opt_ PWSTR DeviceName
    )
{
    NTSTATUS status;
    HANDLE kphHandle;
    UNICODE_STRING objectName;
    OBJECT_ATTRIBUTES objectAttributes;
    IO_STATUS_BLOCK isb;
    OBJECT_HANDLE_FLAG_INFORMATION handleFlagInfo;

    if (PhKphHandle)
        return STATUS_ADDRESS_ALREADY_EXISTS;

    if (DeviceName)
        RtlInitUnicodeString(&objectName, DeviceName);
    else
        RtlInitUnicodeString(&objectName, KPH_DEVICE_NAME);

    InitializeObjectAttributes(
        &objectAttributes,
        &objectName,
        OBJ_CASE_INSENSITIVE,
        NULL,
        NULL
        );

    status = NtOpenFile(
        &kphHandle,
        FILE_GENERIC_READ | FILE_GENERIC_WRITE,
        &objectAttributes,
        &isb,
        FILE_SHARE_READ | FILE_SHARE_WRITE,
        FILE_NON_DIRECTORY_FILE
        );

    if (NT_SUCCESS(status))
    {
        // Protect the handle from being closed.

        handleFlagInfo.Inherit = FALSE;
        handleFlagInfo.ProtectFromClose = TRUE;

        NtSetInformationObject(
            kphHandle,
            ObjectHandleFlagInformation,
            &handleFlagInfo,
            sizeof(OBJECT_HANDLE_FLAG_INFORMATION)
            );

        PhKphHandle = kphHandle;
    }

    return status;
}

开发者ID:JamesLinus，项目名称:processhacker_2.33，代码行数:55，代码来源:kph.c

示例13: AllocConsole

BOOL
WINAPI
AllocConsole(VOID)
{
    UNICODE_STRING ScreenName = RTL_CONSTANT_STRING(L"\\??\\BlueScreen");
    UNICODE_STRING KeyboardName = RTL_CONSTANT_STRING(L"\\Device\\KeyboardClass0");
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;
    NTSTATUS Status;

    /* Open the screen */
    InitializeObjectAttributes(&ObjectAttributes,
                               &ScreenName,
                               0,
                               NULL,
                               NULL);
    Status = NtOpenFile(&StdOutput,
                        FILE_ALL_ACCESS,
                        &ObjectAttributes,
                        &IoStatusBlock,
                        FILE_OPEN,
                        FILE_SYNCHRONOUS_IO_ALERT);
    if (!NT_SUCCESS(Status))
        return FALSE;

    /* Open the keyboard */
    InitializeObjectAttributes(&ObjectAttributes,
                               &KeyboardName,
                               0,
                               NULL,
                               NULL);
    Status = NtOpenFile(&StdInput,
                        FILE_ALL_ACCESS,
                        &ObjectAttributes,
                        &IoStatusBlock,
                        FILE_OPEN,
                        0);
    if (!NT_SUCCESS(Status))
        return FALSE;

    return TRUE;
}

开发者ID:RPG-7，项目名称:reactos，代码行数:42，代码来源:console.c

示例14: OpenDirectoryByHandleOrPath

static NTSTATUS
OpenDirectoryByHandleOrPath(
    OUT PHANDLE RootPathHandle,
    IN HANDLE RootDirectory OPTIONAL,
    IN PUNICODE_STRING RootPath OPTIONAL)
{
    NTSTATUS Status;
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;

    *RootPathHandle = NULL;

    /*
     * RootDirectory and RootPath cannot be either both NULL
     * or both non-NULL, when being specified.
     */
    if ((!RootDirectory && !RootPath) ||
        ( RootDirectory &&  RootPath))
    {
        return STATUS_INVALID_PARAMETER;
    }

    if (!RootDirectory && RootPath)
    {
        /* Open the root directory path */
        InitializeObjectAttributes(&ObjectAttributes,
                                   RootPath,
                                   OBJ_CASE_INSENSITIVE,
                                   NULL,
                                   NULL);
        Status = NtOpenFile(RootPathHandle,
                            // FILE_TRAVERSE is needed to be able to use the handle as RootDirectory for future InitializeObjectAttributes calls.
                            FILE_LIST_DIRECTORY | FILE_ADD_FILE /* | FILE_ADD_SUBDIRECTORY */ | FILE_TRAVERSE | SYNCHRONIZE,
                            &ObjectAttributes,
                            &IoStatusBlock,
                            FILE_SHARE_READ | FILE_SHARE_WRITE,
                            FILE_SYNCHRONOUS_IO_NONALERT | FILE_DIRECTORY_FILE /* | FILE_OPEN_FOR_BACKUP_INTENT */);
        if (!NT_SUCCESS(Status))
        {
            DPRINT1("NtOpenFile(%wZ) failed, Status 0x%08lx\n", RootPath, Status);
            return Status;
        }

        /* Mark the handle as being opened locally */
        *RootPathHandle = (HANDLE)((ULONG_PTR)*RootPathHandle | 1);
    }
    else if (RootDirectory && !RootPath)
    {
        *RootPathHandle = RootDirectory;
    }
    // No other cases possible

    return STATUS_SUCCESS;
}

开发者ID:Moteesh，项目名称:reactos，代码行数:54，代码来源:NtLoadUnloadKey.c

示例15: SmpDeletePagingFile

NTSTATUS
NTAPI
SmpDeletePagingFile(IN PUNICODE_STRING FileName)
{
    NTSTATUS Status;
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;
    HANDLE FileHandle;
    FILE_DISPOSITION_INFORMATION Disposition;

    /* Open the page file */
    InitializeObjectAttributes(&ObjectAttributes,
                               FileName,
                               OBJ_CASE_INSENSITIVE,
                               NULL,
                               NULL);
    Status = NtOpenFile(&FileHandle,
                        DELETE,
                        &ObjectAttributes,
                        &IoStatusBlock,
                        FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE,
                        FILE_NON_DIRECTORY_FILE);
    if (NT_SUCCESS(Status))
    {
        /* Delete it */
        Disposition.DeleteFile = TRUE;
        Status = NtSetInformationFile(FileHandle,
                                      &IoStatusBlock,
                                      &Disposition,
                                      sizeof(Disposition),
                                      FileDispositionInformation);
        if (!NT_SUCCESS(Status))
        {
            DPRINT1("SMSS:PFILE: Failed to delete page file `%wZ' (status %X)\n",
                    FileName, Status);
        }
        else
        {
            DPRINT1("SMSS:PFILE: Deleted stale paging file - %wZ\n", FileName);
        }

        /* Close the handle */
        NtClose(FileHandle);
    }
    else
    {
        DPRINT1("SMSS:PFILE: Failed to open for deletion page file `%wZ' (status %X)\n",
                FileName, Status);
    }

    /* All done */
    return Status;
}

开发者ID:rmallof，项目名称:reactos，代码行数:53，代码来源:pagefile.c

示例16: openfile

NTSTATUS
openfile (
    IN PHANDLE  filehandle,
    IN PUCHAR   BasePath,
    IN PUCHAR   Name
)
{
    ANSI_STRING    AscBasePath, AscName;
    UNICODE_STRING UniPathName, UniName;
    NTSTATUS                    status;
    OBJECT_ATTRIBUTES           ObjA;
    IO_STATUS_BLOCK             IOSB;
    UCHAR                       StringBuf[500];

    //
    // Build name
    //

    UniPathName.Buffer = (PWCHAR)StringBuf;
    UniPathName.Length = 0;
    UniPathName.MaximumLength = sizeof( StringBuf );

    RtlInitString(&AscBasePath, BasePath);
    RtlAnsiStringToUnicodeString( &UniPathName, &AscBasePath, FALSE );

    RtlInitString(&AscName, Name);
    RtlAnsiStringToUnicodeString( &UniName, &AscName, TRUE );

    RtlAppendUnicodeStringToString (&UniPathName, &UniName);

    InitializeObjectAttributes(
            &ObjA,
            &UniPathName,
            OBJ_CASE_INSENSITIVE,
            0,
            0 );

    //
    // open file
    //

    status = NtOpenFile (
            filehandle,                         // return handle
            SYNCHRONIZE | FILE_READ_DATA,       // desired access
            &ObjA,                              // Object
            &IOSB,                              // io status block
            FILE_SHARE_READ | FILE_SHARE_WRITE, // share access
            FILE_SYNCHRONOUS_IO_ALERT           // open options
            );

    RtlFreeUnicodeString (&UniName);
    return status;
}

开发者ID:mingpen，项目名称:OpenNT，代码行数:53，代码来源:thunk.c

示例17: GetDirectorySizeInternal

UINT64 GetDirectorySizeInternal(OBJECT_ATTRIBUTES ObjectAttributes)
{
	HANDLE hFile;
	//OBJECT_ATTRIBUTES ObjectAttributes = { sizeof(OBJECT_ATTRIBUTES), hRootDir, (UNICODE_STRING*)&FileName, OBJ_CASE_INSENSITIVE };
	IO_STATUS_BLOCK IoStatusBlock;


	auto Status = NtOpenFile(&hFile, SYNCHRONIZE | FILE_LIST_DIRECTORY, &ObjectAttributes, &IoStatusBlock, FILE_SHARE_VALID_FLAGS, FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_BACKUP_INTENT);

	if (Status)
		return 0;

	UINT64 Space = 0;

	byte Buffer[sizeof(FILE_FULL_DIR_INFORMATION) + 512];


	FILE_FULL_DIR_INFORMATION & FileInfo = *(FILE_FULL_DIR_INFORMATION *)Buffer;

	UNICODE_STRING TempFileName = { 0,0,FileInfo.FileName };

	ObjectAttributes.RootDirectory = hFile;
	ObjectAttributes.ObjectName = &TempFileName;

	while (ZwQueryDirectoryFile(hFile, NULL, NULL, NULL, &IoStatusBlock, Buffer, sizeof(Buffer), FileFullDirectoryInformation, -1, NULL, 0) == ERROR_SUCCESS)
	{
		if (FileInfo.FileAttributes&FILE_ATTRIBUTE_DIRECTORY)
		{
			if (FileInfo.FileAttributes&FILE_ATTRIBUTE_REPARSE_POINT)
			{
				if (IsReparseTagNameSurrogate(FileInfo.EaSize))
					continue;
			}
			else
			{
				if (IsDots(FileInfo.FileName, FileInfo.FileNameLength))
					continue;
			}

			TempFileName.Length = TempFileName.MaximumLength = FileInfo.FileNameLength;

			Space += GetDirectorySizeInternal(ObjectAttributes);
		}
		else
		{
			Space += FileInfo.AllocationSize.QuadPart;
		}
	}

	NtClose(hFile);

	return Space;
}

开发者ID:Chuyu-Team，项目名称:CPPHelper，代码行数:53，代码来源:FileHelper.cpp

示例18: SfuCreateFileMappingNoExec

/*
* SfuCreateFileMappingNoExec
*
* Purpose:
*
* Map file as non executable image.
*
*/
PVOID SfuCreateFileMappingNoExec(
	_In_ LPWSTR lpFileName
	)
{
	BOOL                   cond = FALSE;
	NTSTATUS               status;
	UNICODE_STRING         usFileName;
	HANDLE                 hFile = NULL, hSection = NULL;
	OBJECT_ATTRIBUTES      obja;
	IO_STATUS_BLOCK        iost;
	SIZE_T                 ViewSize = 0;
	PVOID                  Data = NULL;

	RtlSecureZeroMemory(&usFileName, sizeof(usFileName));

	do {

		if (RtlDosPathNameToNtPathName_U(lpFileName, &usFileName, NULL, NULL) == FALSE)
			break;

		InitializeObjectAttributes(&obja, &usFileName, OBJ_CASE_INSENSITIVE, NULL, NULL);

		status = NtOpenFile(&hFile, FILE_READ_ACCESS | SYNCHRONIZE,
			&obja, &iost, FILE_SHARE_READ,
			FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT);
		if (!NT_SUCCESS(status))
			break;

		status = NtCreateSection(&hSection, SECTION_ALL_ACCESS, NULL,
			NULL, PAGE_READONLY, SEC_IMAGE_NO_EXECUTE, hFile);
		if (!NT_SUCCESS(status))
			break;

		status = NtMapViewOfSection(hSection, NtCurrentProcess(),
			(PVOID)&Data, 0, 0, NULL, &ViewSize, ViewUnmap, 0, PAGE_READONLY);
		if (!NT_SUCCESS(status))
			break;

	} while (cond);

	if (hFile != NULL) {
		NtClose(hFile);
	}
	if (hSection != NULL) {
		NtClose(hSection);
	}
	if (usFileName.Buffer != NULL) {
		RtlFreeUnicodeString(&usFileName);
	}
	return Data;
}

开发者ID:0day1day，项目名称:ZeroAccess，代码行数:59，代码来源:util.c

示例19: GetFileType

FilePathType GetFileType(LPCWSTR FilePath)
{
	if(StrEmpty(FilePath))
		return FilePathType::PathNotExist;

	UNICODE_STRING usFileFile;
	if (!RtlDosPathNameToNtPathName_U(FilePath, &usFileFile, NULL, NULL))
	{
		return FilePathType::PathNotExist;
	}


	IO_STATUS_BLOCK IoStatusBlock;

	OBJECT_ATTRIBUTES ObjectAttributes = { sizeof(OBJECT_ATTRIBUTES), NULL, &usFileFile, OBJ_CASE_INSENSITIVE };


	HANDLE hFile;
	auto hr = NtOpenFile(&hFile, SYNCHRONIZE, &ObjectAttributes, &IoStatusBlock, FILE_SHARE_VALID_FLAGS, FILE_SYNCHRONOUS_IO_NONALERT | FILE_DIRECTORY_FILE | FILE_OPEN_FOR_BACKUP_INTENT);

	RtlFreeUnicodeString(&usFileFile);

	switch (hr)
	{
	case 0xC0000103:
		//目录无效，说明是个文件
		return FilePathType::PathIsFile;
#ifdef DEBUG
	case 0xc000003a:
		//系统找不到指定的路径
	case 0xc0000013:
		//设备未就绪。
	case 0xc0000034:
		//系统找不到指定的文件
	case 0xc0000240:
		//请求被终止
		return FilePathType::PathNotExist;
#endif
	case 0:
		//成功打开
		NtClose(hFile);
		return FilePathType::PathIsDir;
	default:
#ifdef DEBUG
		//assert(0);
		SetLastError(RtlNtStatusToDosError(hr));
#endif
		return FilePathType::PathNotExist;
		break;
	}
}

开发者ID:Chuyu-Team，项目名称:CPPHelper，代码行数:51，代码来源:FileHelper.cpp

示例20: OpenFile

BOOLEAN
OpenFile(
    PSZ     DriveNumber,
    PHANDLE Handle
    )
{
    OBJECT_ATTRIBUTES oa;
    STRING            ntDriveName;
    UNICODE_STRING    uniDriveName;
    IO_STATUS_BLOCK   ioStatusBlock;
    int               charsInName;
    char              driveName[50];
    NTSTATUS          nts;


    sprintf(driveName, "\\Device\\Harddisk%s\\Partition0", DriveNumber);

    charsInName = strlen(driveName);

    ntDriveName.Length = (USHORT)charsInName;
    ntDriveName.MaximumLength = (USHORT)charsInName;
    ntDriveName.Buffer = driveName;

    printf( "NT drive name = %s\n", ntDriveName.Buffer );

    RtlAnsiStringToUnicodeString(&uniDriveName, &ntDriveName, TRUE);

    memset(&oa, 0, sizeof(OBJECT_ATTRIBUTES));
    oa.Length = sizeof(OBJECT_ATTRIBUTES);
    oa.ObjectName = &uniDriveName;
    oa.Attributes = OBJ_CASE_INSENSITIVE;

    if (!NT_SUCCESS(nts = NtOpenFile(Handle,
                                     SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA,
                                     &oa,
                                     &ioStatusBlock,
                                     FILE_SHARE_READ | FILE_SHARE_WRITE,
                                     FILE_SYNCHRONOUS_IO_ALERT))) {

        printf("NtOpenFile status %x\n", nts);
        return FALSE;
    }

    RtlFreeUnicodeString(&uniDriveName);

    return TRUE;
}

开发者ID:mingpen，项目名称:OpenNT，代码行数:47，代码来源:physdisk.c

注：本文中的NtOpenFile函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ NtOpenFile函数代码示例

示例1: winfs_unlink

示例2: GetFileAttributes2

示例3: NtGetFileId

示例4: sprintf

示例5: DoesFileExist

示例6: fs_open

示例7: IsValidNTOSInstallation_UStr

示例8: DoesPathExist

示例9: NtOpenObject

示例10: memset

示例11: NtDeleteFile2

示例12: KphConnect

示例13: AllocConsole

示例14: OpenDirectoryByHandleOrPath

示例15: SmpDeletePagingFile

示例16: openfile

示例17: GetDirectorySizeInternal

示例18: SfuCreateFileMappingNoExec

示例19: GetFileType

示例20: OpenFile

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