private void ISO_GetFile(FST PreviousFST, string sPath, string SessionName)
{
byte[] FI_Data;
byte[] buffer;
UInt64 bufferOffset = 0;
uint oneSectorSize = m_SectorSize[(int)m_CurrentSectorType];
FST CurrentFST = new FST();
DirectoryRecord FileInfo = new DirectoryRecord();
FileInfo.Recording_Date_and_Time = new byte[6];
foreach (FST.cFolder f in PreviousFST.FST_Folder)
{
if (f.SessionID == m_SessionID)
{
bufferOffset = 0;
buffer = new byte[f.FolderLength];
buffer = ReadCDBuffer(f.FolderID, f.FolderLength < 0x800 ? 0x800 : f.FolderLength);
do
{
if (bufferOffset >= (UInt64)buffer.Length)
{
break;
}
FileInfo = (DirectoryRecord)MemoryReader.BytesToStuct(buffer, FileInfo.GetType(), bufferOffset);
if (FileInfo.Directory_Record_Length != 0)
{
if (FileInfo.File_Identifier_Length != 0)
{
FI_Data = new byte[FileInfo.File_Identifier_Length];
MemoryReader.BytesCopy(buffer, bufferOffset + (UInt64)(Marshal.SizeOf(FileInfo) - 1), FI_Data, 0, FileInfo.File_Identifier_Length);
FileInfo.File_Identifier = Encoding.Default.GetString(FI_Data);
if (FileInfo.File_Identifier.Contains(";"))
{
FileInfo.File_Identifier = FileInfo.File_Identifier.Replace(";1", "");
}
if (!FileInfo.File_Identifier.Equals("\0") && (!FileInfo.File_Identifier.Equals("")))
{
if (FileInfo.File_Flags == 0x02)
{
CurrentFST.FST_Folder.Add(new FST.cFolder(f.SessionID,
f.FolderID,
(uint)(FileInfo.Location_of_Extent_LE),
FileInfo.File_Identifier,
(UInt64)FileInfo.Data_Length_LE));
}
else
{
m_FST.FST_File.Add(new FST.cFile(f.SessionID,
f.FolderID,
0,
FileInfo.File_Identifier,
sPath,
sPath, (UInt64)((FileInfo.Location_of_Extent_LE + m_StartLBA) * oneSectorSize),
(UInt64)FileInfo.Data_Length_LE,
FileInfo.Recording_Date_and_Time, _isCVM));
}
}
}
bufferOffset += FileInfo.Directory_Record_Length;
}
else
{
if (bufferOffset < (UInt64)((buffer.Length - Marshal.SizeOf(FileInfo))))
{
bufferOffset++;
}
else
{
break;
}
}
} while (1 == 1);
}
}
// Add each Folder to current FST ...
if (CurrentFST.FST_Folder.Count > 0)
{
for (int i = 0; i < CurrentFST.FST_Folder.Count; i++)
{
m_FST.FST_Folder.Add(CurrentFST.FST_Folder[i]);
}
ISO_GetFile(CurrentFST, sPath, SessionName);
}
}
private void ISO9660_GetFST(string sPath, bool isCVM = false)
{
byte[] buffer;
string VolID;
string SessionName;
_isCVM = isCVM;
DirectoryRecord FileInfo = new DirectoryRecord();
FileInfo.Recording_Date_and_Time = new byte[6];
// Initiliaze the Primary Descriptor Structure
InitISOPrimaryDescriptor();
buffer = new byte[m_TrackSize];
// Get pointer of the output buffer
GCHandle gch = GCHandle.Alloc(buffer, GCHandleType.Pinned);
IntPtr dest = gch.AddrOfPinnedObject();
buffer = ReadCDTracks(16);
if (buffer != null)
{
primary_descriptor = (ISO_PRIMARY_DESCRIPTOR)MemoryReader.BytesToStuct(buffer, primary_descriptor.GetType(), 0);
VolID = new String(primary_descriptor.Volume_Identifier);
SessionName = VolID.Trim();
m_FST.FST_Session.Add(new FST.cSession(1, SessionName, 0, sPath));
m_FST.FST_Folder.Add(new FST.cFolder(1,
0,
(uint)(primary_descriptor.RootDirectory.Location_of_Extent_LE + m_StartLBA),
"\\",
(UInt64)primary_descriptor.RootDirectory.Data_Length_LE));
ISO_GetFile(m_FST, sPath, SessionName);
// if there a dual session ??
if (!sPath.Contains("\\\\"))
{
if ((Int64)m_FileReader.GetLength() > (Int64)(0xffffffff))
{
if ((Int64)((primary_descriptor.Volume_Space_Size_LE * m_TrackSize) & 0x0000000fffffffff) < ((Int64)m_FileReader.GetLength() - 5000))
{
FST newFST = m_FST;
m_FST = new FST();
// Add the dual session
m_SessionID = 2;
m_StartLBA += (primary_descriptor.Volume_Space_Size_LE - 16);
buffer = ReadCDTracks(16);
primary_descriptor = (ISO_PRIMARY_DESCRIPTOR)MemoryReader.BytesToStuct(buffer, primary_descriptor.GetType(), 0);
VolID = new String(primary_descriptor.Volume_Identifier);
SessionName = VolID.Trim();
m_FST.FST_Session.Add(new FST.cSession(2, SessionName, 0, sPath));
m_FST.FST_Folder.Add(new FST.cFolder(2,
0,
(uint)(primary_descriptor.RootDirectory.Location_of_Extent_LE),
"\\",
(UInt64)primary_descriptor.RootDirectory.Data_Length_LE));
ISO_GetFile(m_FST, sPath, SessionName);
foreach (FST.cSession session in m_FST.FST_Session)
{
newFST.FST_Session.Add(new FST.cSession(session.SessionID,
session.SessionName,
session.RootID,
session.FilePath));
}
foreach (FST.cFolder directory in m_FST.FST_Folder)
{
newFST.FST_Folder.Add(new FST.cFolder(directory.SessionID,
directory.ParentID,
directory.FolderID,
directory.FolderName,
directory.FolderLength));
}
foreach (FST.cFile files in m_FST.FST_File)
{
newFST.FST_File.Add(new FST.cFile(files.SessionID,
files.ParentDirectory,
files.ParentFile,
files.Filename,
files.FileOwner,
files.FilePath,
files.FileStartOffset,
files.FileSize,
m_FST.EmptyDateTime,
files.OffsetIsLBA));
}
m_FST = newFST;
}
}
}
}
else
{
return;
}
}
