protected override void ProcessRecord()
{
if (!(this.MyInvocation.BoundParameters.ContainsKey("BlockSize")))
{
blockSize = 512;
}
Regex lettersOnly = new Regex("^[a-zA-Z]{1}$");
if (lettersOnly.IsMatch(inFile))
{
inFile = @"\\.\" + inFile + ":";
}
WriteDebug("VolumeName: " + inFile);
if (this.MyInvocation.BoundParameters.ContainsKey("OutFile"))
{
DD.Get(inFile, outFile, offset, blockSize, count);
}
else
{
for (int i = 0; i <= count; i++)
{
WriteObject(DD.Get(inFile, offset, blockSize));
offset += blockSize;
}
}
} // ProcessRecord
/// <summary>
/// The ProcessRecord Reads bytes from the InFile
/// and outputs them to the OutFile.
/// </summary>
protected override void ProcessRecord()
{
if (!(this.MyInvocation.BoundParameters.ContainsKey("Offset")))
{
offset = 0;
}
if (!(this.MyInvocation.BoundParameters.ContainsKey("BlockSize")))
{
blockSize = 512;
}
Util.getVolumeName(ref inFile);
if (this.MyInvocation.BoundParameters.ContainsKey("OutFile"))
{
DD.Get(inFile, outFile, offset, blockSize, count);
}
else
{
for (int i = 0; i < count; i++)
{
WriteObject(DD.Get(inFile, offset, blockSize));
offset += blockSize;
}
}
}
private static DirectoryEntry[] GetRootDirectory(string volume)
{
string volLetter = Helper.GetVolumeLetter(volume);
FatVolumeBootRecord vbr = VolumeBootRecord.Get(volume) as FatVolumeBootRecord;
byte[] bytes = DD.Get(volume, vbr.BytesPerSector * vbr.RootDirectorySector, vbr.BytesPerSector, 2);
return(GetInstances(bytes, volume, volLetter));
}
private static DirectoryEntry[] GetRootDirectory(string volume)
{
string volLetter = Helper.GetVolumeLetter(volume);
FatVolumeBootRecord vbr = VolumeBootRecord.Get(volume) as FatVolumeBootRecord;
uint FirstRootDirSecNum = vbr.ReservedSectors + (vbr.BPB_NumberOfFATs * vbr.BPB_FatSize32);
byte[] bytes = DD.Get(volume, vbr.BytesPerSector * FirstRootDirSecNum, vbr.BytesPerSector, 2);
return(GetInstances(bytes, volume, volLetter));
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public byte[] GetContent()
{
FatVolumeBootRecord vbr = VolumeBootRecord.Get(this.Volume) as FatVolumeBootRecord;
int RootDirSectors = ((vbr.BPB_RootEntryCount * 32) + (vbr.BytesPerSector - 1)) / vbr.BytesPerSector;
uint FatSize = 0;
if (vbr.BPB_FatSize16 != 0)
{
FatSize = vbr.BPB_FatSize16;
}
else
{
FatSize = vbr.BPB_FatSize32;
}
uint FirstDataSector = (uint)(vbr.ReservedSectors + (vbr.BPB_NumberOfFATs * FatSize) + RootDirSectors);
uint FirstSectorofCluster = ((this.FirstCluster - 2) * vbr.SectorsPerCluster) + FirstDataSector;
byte[] bytes = DD.Get(this.Volume, (long)FirstSectorofCluster * (long)vbr.BytesPerSector, vbr.BytesPerSector, 1);
if (this.Directory)
{
return(bytes);
}
else
{
if (this.FileSize <= bytes.Length)
{
return(Helper.GetSubArray(bytes, 0, this.FileSize));
}
else
{
// Need to do more...
return(bytes);
}
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public byte[] GetContent()
{
FatVolumeBootRecord vbr = VolumeBootRecord.Get(this.Volume) as FatVolumeBootRecord;
int RootDirSectors = ((vbr.BPB_RootEntryCount * 32) + (vbr.BytesPerSector - 1)) / vbr.BytesPerSector;
uint FirstDataSector = (uint)(vbr.ReservedSectors + (vbr.BPB_NumberOfFATs * vbr.BPB_FatSize) + RootDirSectors);
uint FirstSectorofCluster = ((this.FirstCluster - 2) * vbr.SectorsPerCluster) + FirstDataSector;
byte[] bytes = DD.Get(this.Volume, (long)FirstSectorofCluster * (long)vbr.BytesPerSector, vbr.BytesPerSector, 1);
if (this.Directory)
{
return(bytes);
}
else
{
if (this.FileSize <= bytes.Length)
{
return(Helper.GetSubArray(bytes, 0, this.FileSize));
}
else
{
List <byte> byteList = new List <byte>();
int[] clusters = FileAllocationTable.GetFatEntry(this.Volume, (int)this.FirstCluster);
foreach (int cluster in clusters)
{
long targetCluster = ((cluster - 2) * vbr.SectorsPerCluster) + FirstDataSector;
byteList.AddRange(DD.Get(this.Volume, targetCluster * vbr.BytesPerSector, vbr.BytesPerSector, 1));
}
return(Helper.GetSubArray(byteList.ToArray(), 0, this.FileSize));
}
}
}
/// <summary>
///
/// </summary>
/// <param name="volume"></param>
/// <returns></returns>
public static FileSystemInformation Get(string volume)
{
FatVolumeBootRecord vbr = VolumeBootRecord.Get(volume) as FatVolumeBootRecord;
return(new FileSystemInformation(DD.Get(volume, (vbr.BytesPerSector * vbr.BPB_FileSytemInfo), vbr.BytesPerSector, 1)));
}
