Example #1
0
static NTSTATUS
NtfsGetNameInformation(PDEVICE_EXTENSION DeviceExt,
                       PFILE_RECORD_HEADER FileRecord,
                       PNTFS_ATTR_CONTEXT DataContext,
                       PFILE_NAMES_INFORMATION Info,
                       ULONG BufferLength)
{
    ULONG Length;
    PFILENAME_ATTRIBUTE FileName;

    DPRINT("NtfsGetNameInformation() called\n");

    FileName = GetBestFileNameFromRecord(FileRecord);
    ASSERT(FileName != NULL);

    Length = FileName->NameLength * sizeof (WCHAR);
    if ((sizeof(FILE_NAMES_INFORMATION) + Length) > BufferLength)
        return(STATUS_BUFFER_OVERFLOW);

    Info->FileNameLength = Length;
    Info->NextEntryOffset =
        ROUND_UP(sizeof(FILE_NAMES_INFORMATION) + Length, sizeof(ULONG));
    RtlCopyMemory(Info->FileName, FileName->Name, Length);

    return(STATUS_SUCCESS);
}
Example #2
0
static NTSTATUS
NtfsGetBothDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
                                PFILE_RECORD_HEADER FileRecord,
                                PNTFS_ATTR_CONTEXT DataContext,
                                ULONGLONG MFTIndex,
                                PFILE_BOTH_DIR_INFORMATION Info,
                                ULONG BufferLength)
{
    ULONG Length;
    PFILENAME_ATTRIBUTE FileName, ShortFileName;

    DPRINT("NtfsGetBothDirectoryInformation() called\n");

    FileName = GetBestFileNameFromRecord(FileRecord);
    ASSERT(FileName != NULL);
    ShortFileName = GetFileNameFromRecord(FileRecord, NTFS_FILE_NAME_DOS);

    Length = FileName->NameLength * sizeof (WCHAR);
    if ((sizeof(FILE_BOTH_DIR_INFORMATION) + Length) > BufferLength)
        return(STATUS_BUFFER_OVERFLOW);

    Info->FileNameLength = Length;
    Info->NextEntryOffset =
        ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) + Length, sizeof(ULONG));
    RtlCopyMemory(Info->FileName, FileName->Name, Length);

    if (ShortFileName)
    {
        /* Should we upcase the filename? */
        ASSERT(ShortFileName->NameLength <= ARRAYSIZE(Info->ShortName));
        Info->ShortNameLength = ShortFileName->NameLength * sizeof(WCHAR);
        RtlCopyMemory(Info->ShortName, ShortFileName->Name, Info->ShortNameLength);
    }
    else
    {
        Info->ShortName[0] = 0;
        Info->ShortNameLength = 0;
    }

    Info->CreationTime.QuadPart = FileName->CreationTime;
    Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
    Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
    Info->ChangeTime.QuadPart = FileName->ChangeTime;

    /* Convert file flags */
    NtfsFileFlagsToAttributes(FileName->FileAttributes, &Info->FileAttributes);

    Info->EndOfFile.QuadPart = FileName->AllocatedSize;
    Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);

    Info->FileIndex = MFTIndex;
    Info->EaSize = 0;

    return STATUS_SUCCESS;
}
Example #3
0
static NTSTATUS
NtfsGetDirectoryInformation(PDEVICE_EXTENSION DeviceExt,
                            PFILE_RECORD_HEADER FileRecord,
                            PNTFS_ATTR_CONTEXT DataContext,
                            PFILE_DIRECTORY_INFORMATION Info,
                            ULONG BufferLength)
{
    ULONG Length;
    PFILENAME_ATTRIBUTE FileName;

    DPRINT("NtfsGetDirectoryInformation() called\n");

    FileName = GetBestFileNameFromRecord(FileRecord);
    ASSERT(FileName != NULL);

    Length = FileName->NameLength * sizeof (WCHAR);
    if ((sizeof(FILE_DIRECTORY_INFORMATION) + Length) > BufferLength)
        return(STATUS_BUFFER_OVERFLOW);

    Info->FileNameLength = Length;
    Info->NextEntryOffset =
        ROUND_UP(sizeof(FILE_DIRECTORY_INFORMATION) + Length, sizeof(ULONG));
    RtlCopyMemory(Info->FileName, FileName->Name, Length);

    Info->CreationTime.QuadPart = FileName->CreationTime;
    Info->LastAccessTime.QuadPart = FileName->LastAccessTime;
    Info->LastWriteTime.QuadPart = FileName->LastWriteTime;
    Info->ChangeTime.QuadPart = FileName->ChangeTime;

    /* Convert file flags */
    NtfsFileFlagsToAttributes(FileName->FileAttributes, &Info->FileAttributes);

    Info->EndOfFile.QuadPart = FileName->AllocatedSize;
    Info->AllocationSize.QuadPart = ROUND_UP(FileName->AllocatedSize, DeviceExt->NtfsInfo.BytesPerCluster);

//  Info->FileIndex=;

    return STATUS_SUCCESS;
}
Example #4
0
File: fcb.c Project: GYGit/reactos
NTSTATUS
NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
                        PNTFS_FCB DirectoryFCB,
                        PUNICODE_STRING Name,
                        PCWSTR Stream,
                        PFILE_RECORD_HEADER Record,
                        ULONGLONG MFTIndex,
                        PNTFS_FCB * fileFCB)
{
    WCHAR pathName[MAX_PATH];
    PFILENAME_ATTRIBUTE FileName;
    PSTANDARD_INFORMATION StdInfo;
    PNTFS_FCB rcFCB;
    ULONGLONG Size, AllocatedSize;

    DPRINT1("NtfsMakeFCBFromDirEntry(%p, %p, %wZ, %p, %p, %p)\n", Vcb, DirectoryFCB, Name, Stream, Record, fileFCB);

    FileName = GetBestFileNameFromRecord(Vcb, Record);
    if (!FileName)
    {
        return STATUS_OBJECT_NAME_NOT_FOUND; // Not sure that's the best here
    }

    if (DirectoryFCB && Name)
    {
        if (Name->Buffer[0] != 0 && wcslen(DirectoryFCB->PathName) +
            sizeof(WCHAR) + Name->Length / sizeof(WCHAR) > MAX_PATH)
        {
            return STATUS_OBJECT_NAME_INVALID;
        }

        wcscpy(pathName, DirectoryFCB->PathName);
        if (!NtfsFCBIsRoot(DirectoryFCB))
        {
            wcscat(pathName, L"\\");
        }
        wcscat(pathName, Name->Buffer);
    }
    else
    {
        RtlCopyMemory(pathName, FileName->Name, FileName->NameLength * sizeof (WCHAR));
        pathName[FileName->NameLength] = UNICODE_NULL;
    }

    Size = NtfsGetFileSize(Vcb, Record, (Stream ? Stream : L""), (Stream ? wcslen(Stream) : 0), &AllocatedSize);

    rcFCB = NtfsCreateFCB(pathName, Stream, Vcb);
    if (!rcFCB)
    {
        return STATUS_INSUFFICIENT_RESOURCES;
    }

    memcpy(&rcFCB->Entry, FileName, FIELD_OFFSET(FILENAME_ATTRIBUTE, NameLength));
    rcFCB->Entry.NameType = FileName->NameType;
    rcFCB->RFCB.FileSize.QuadPart = Size;
    rcFCB->RFCB.ValidDataLength.QuadPart = Size;
    rcFCB->RFCB.AllocationSize.QuadPart = AllocatedSize;

    StdInfo = GetStandardInformationFromRecord(Vcb, Record);
    if (StdInfo != NULL)
    {
        rcFCB->Entry.FileAttributes |= StdInfo->FileAttribute;
    }

    NtfsFCBInitializeCache(Vcb, rcFCB);
    rcFCB->RefCount = 1;
    rcFCB->MFTIndex = MFTIndex;
    rcFCB->LinkCount = Record->LinkCount;
    NtfsAddFCBToTable(Vcb, rcFCB);
    *fileFCB = rcFCB;

    return STATUS_SUCCESS;
}