static public string GetFATXPath(string PackagePath)
{
// Check the header...
Streams.Reader io = new Streams.Reader(new System.IO.FileStream(PackagePath, System.IO.FileMode.Open));
if (io.BaseStream.Length > 4)
{
uint header = io.ReadUInt32();
if (header == 0x434F4E20 || header == 0x4C495645 || header == 0x50495253)
{
// Get the type
io.BaseStream.Position = 0x344;
byte[] Type = io.ReadBytes(0x4);
// Get the profile ID
io.BaseStream.Position = 0x371;
byte[] ID = io.ReadBytes(0x8);
// Get the title ID
io.BaseStream.Position = 0x360;
byte[] TitleID = io.ReadBytes(0x4);
// NOW LET'S DO THIS SHIT
return(string.Format("Content\\{0}\\{1}\\{2}", ID.ToHexString(), TitleID.ToHexString(), Type.ToHexString()));
}
}
throw new Exception(PackagePath + " is not a valid package!");
}
public static byte[] ConsoleCertificate()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x804;
byte[] Value = r.ReadBytes(0x1A8);
return(Value);
}
List <DevPartitionRegions> dP;/*enetration*/
DevPartitionRegions[] DevPartitions()
{
if (dP == null)
{
dP = new List <DevPartitionRegions>();
// Load the regions
Streams.Reader r = Reader();
r.BaseStream.Position = 0;
byte[] Buffer = r.ReadBytes(0x200);
r = new CLKsFATXLib.Streams.Reader(new System.IO.MemoryStream(Buffer));
r.BaseStream.Position = 0x8; // data
dP.Add(new DevPartitionRegions()
{
RegionName = "Content",
Sector = r.ReadUInt32(),
PartitionSize = r.ReadUInt32() * 0x200,
});
dP.Add(new DevPartitionRegions()
{
RegionName = "Xbox 360 Dashboard Volume",
Sector = r.ReadUInt32(),
PartitionSize = r.ReadUInt32() * 0x200,
});
}
return(dP.ToArray());
}
public static string FirmwareRevision()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x2014;
string Value = r.ReadASCIIString(0x8);
return(Value);
}
public static uint Sectors()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x2058;
uint Value = r.ReadUInt32();
return(Value);
}
public static uint Magic()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x800;
uint Value = r.ReadUInt32();
return(Value);
}
public static uint SecondPlayedGame()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0xA80;
uint Value = r.ReadUInt32();
return(Value);
}
public static string SerialNumber()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x2000;
string Value = r.ReadASCIIString(0x14);
return(Value);
}
public static string ModelNumber()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x201C;
string Value = r.ReadASCIIString(0x28);
return(Value);
}
/// <summary>
/// Used for quickly reading bytes for a length that is not a multiple of 0x200
/// </summary>
static public byte[] ReadBytes(ref Streams.Reader br, long length)
{
byte[] buffer = br.ReadBytes((int)VariousFunctions.UpToNearest200(length));
List <byte> b = buffer.ToList <byte>();
b.RemoveRange((int)length, buffer.Length - (int)length);
buffer = b.ToArray();
return(buffer);
}
/// <returns>Streams.Reader applicable to the current drive</returns>
public Streams.Reader Reader()
{
if (thisReader == null)
{
thisReader = new CLKsFATXLib.Streams.Reader(Stream());
}
thisReader.BaseStream.Position = 0;
return(thisReader);
}
public static System.Drawing.Image MicrosoftLogo()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0x2200;
uint Length = r.ReadUInt32();
System.Drawing.Image Value = System.Drawing.Image.FromStream(new System.IO.MemoryStream(r.ReadBytes((int)Length)));
return(Value);
}
public void Close()
{
try
{
thisStream.Close();
}
catch { }
thisReader = null;
thisWriter = null;
thisStream = null;
}
public uint Magic()
{
if (magic != 0)
{
return(magic);
}
Streams.Reader br = FATXDrive.Reader();
br.BaseStream.Position = Partition.Offset;
//Read the header
magic = br.ReadUInt32();
return(magic);
}
public static uint[] FooterInts()
{
Streams.Reader r = Drive.Reader();
r.BaseStream.Position = 0xA70;
List <uint> R = new List <uint>();
for (int i = 0; i < 3; i++)
{
R.Add(r.ReadUInt32());
}
return(R.ToArray());
}
public bool DriveHasJoshSector()
{
if (DriveType == DriveType.USB)
{
return(false);
}
Streams.Reader r = Reader();
r.BaseStream.Position = 0x800;
if (r.ReadUInt32() == 0x4A6F7368)
{
return(true);
}
return(false);
}
public bool DriveHasSecuritySector()
{
if (DriveType == DriveType.USB)
{
return(false);
}
Streams.Reader r = Reader();
r.BaseStream.Position = 0x2000;
if (r.ReadByte() == 0x20)
{
return(true);
}
return(false);
}
/// <summary>
/// Partition ID
/// </summary>
public uint PartitionID()
{
uint rVal = 0;
//Open our binary reader
Streams.Reader br = FATXDrive.Reader();
//Seek to the data partition offset
br.BaseStream.Position = Partition.Offset;
//Read our buffer
Streams.Reader mem = new Streams.Reader(new System.IO.MemoryStream(br.ReadBytes(0x200)));
mem.BaseStream.Position = 0x4;
rVal = mem.ReadUInt32();
mem.Close();
return(rVal);
}
/// <summary>
/// Number of File Allocation Tables
/// </summary>
public uint FATCopies()
{
uint rVal = 0;
//Open our binary reader
Streams.Reader br = FATXDrive.Reader();
//Seek to the data partition offset + 0xC (where the FATCopies int is)
br.BaseStream.Position = Partition.Offset;
//Create our mem reader / buffer
Streams.Reader mem = new Streams.Reader(new System.IO.MemoryStream(br.ReadBytes(0x200)));
mem.BaseStream.Position = 0xC;
//Get our value (uses outside class for bigendian)
rVal = mem.ReadUInt32();
mem.Close();
return(rVal);
}
public void ClearFATChain(uint[] Chain)
{
Streams.Reader r = Parent.Drive.Reader();
Streams.Writer w = new CLKsFATXLib.Streams.Writer(r.BaseStream);
long buffersize = 0x1000;
long lastoffset = 0;//VariousFunctions.BlockToFATOffset(Chain[0], Parent).DownToNearestCluster(buffersize);
byte[] Buffer = new byte[buffersize];
for (int i = 0; i < Chain.Length; i++)
{
// Read the chain buffer
if (lastoffset != VariousFunctions.BlockToFATOffset(Chain[i], Parent).DownToNearestCluster(0x1000))
{
if (i != 0)
{
w.BaseStream.Position = lastoffset;
w.Write(Buffer);
}
lastoffset = VariousFunctions.BlockToFATOffset(Chain[i], Parent).DownToNearestCluster(0x1000);
r.BaseStream.Position = lastoffset;
Buffer = r.ReadBytes((int)buffersize);
}
// Write the chain
Streams.Writer mem = new CLKsFATXLib.Streams.Writer(new System.IO.MemoryStream(Buffer));
mem.BaseStream.Position = VariousFunctions.BlockToFATOffset(Chain[i], Parent) - VariousFunctions.BlockToFATOffset(Chain[i], Parent).DownToNearestCluster(0x1000);
byte[] writing = new byte[0];
switch (Parent.PartitionInfo.EntrySize)
{
case 2:
writing = BitConverter.GetBytes((ushort)0);
break;
case 4:
writing = BitConverter.GetBytes(0);
break;
}
mem.Write(writing);
mem.Close();
if (i == Chain.Length - 1)
{
w.BaseStream.Position = lastoffset;
w.Write(Buffer);
}
}
}
public uint RootDirectoryCluster()
{
// Open our IO
Streams.Reader io = FATXDrive.Reader();
// Set the IO position...
io.BaseStream.Position = Partition.Offset;
// Read our buffer
byte[] buffer = io.ReadBytes(0x200);
// Re-open the IO in to a memory stream
io = new Streams.Reader(new System.IO.MemoryStream(buffer));
// Go to the offset that the root dir is located; 0xC
io.BaseStream.Position = 0xC;
// Read and return the int there
uint rVal = io.ReadUInt32();
io.Close();
return(rVal);
}
public static string GetFATXPath(string PackagePath)
{
// Check the header...
Streams.Reader io = new Streams.Reader(new System.IO.FileStream(PackagePath, System.IO.FileMode.Open));
if (io.BaseStream.Length > 4)
{
uint header = io.ReadUInt32();
if (header == 0x434F4E20 || header == 0x4C495645 || header == 0x50495253)
{
// Get the type
io.BaseStream.Position = 0x344;
byte[] Type = io.ReadBytes(0x4);
// Get the profile ID
io.BaseStream.Position = 0x371;
byte[] ID = io.ReadBytes(0x8);
// Get the title ID
io.BaseStream.Position = 0x360;
byte[] TitleID = io.ReadBytes(0x4);
// NOW LET'S DO THIS SHIT
return string.Format("Content\\{0}\\{1}\\{2}", ID.ToHexString(), TitleID.ToHexString(), Type.ToHexString());
}
}
throw new Exception(PackagePath + " is not a valid package!");
}
public void Close()
{
try
{
thisStream.Close();
}
catch { }
thisReader = null;
thisWriter = null;
thisStream = null;
}
//uint dicks(ref uint r3, ref uint r4, ref uint r6, ref uint r7, ref uint r8, ref uint r9, ref uint r10)
//{
//}
public ulong GetFreeSpace()
{
// Our return
ulong Return = 0;
ulong ClusterSize = (ulong)this.ClusterSize();
// Get our position
long positionya = FATOffset;
// Get our end point
long toBeLessThan = FATOffset + RealFATSize();
// Get our IO
Streams.Reader io = FATXDrive.Reader();
// Set the position
io.BaseStream.Position = positionya;
// Start reading!
for (long dick = io.BaseStream.Position; dick < toBeLessThan; dick += 0x200)
{
bool BreakAndShit = false;
// Set the position
io.BaseStream.Position = dick;
// Read our buffer
byte[] Buffer = null;
if ((dick - FATOffset).DownToNearest200() == (toBeLessThan - FATOffset).DownToNearest200())
{
byte[] Temp = io.ReadBytes(0x200);
Buffer = new byte[(toBeLessThan - FATOffset) - (dick - FATOffset).DownToNearest200()];
Array.Copy(Temp, 0, Buffer, 0, Buffer.Length);
}
else
{
Buffer = io.ReadBytes(0x200);
}
// Length to loop for (used for the end so we can read ONLY usable partitions)
long Length = Buffer.Length;
if (dick == VariousFunctions.DownToNearest200(toBeLessThan))
{
Length = toBeLessThan - VariousFunctions.DownToNearest200(toBeLessThan);
BreakAndShit = true;
}
// Check the values
Streams.Reader ioya = new Streams.Reader(new System.IO.MemoryStream(Buffer));
for (int i = 0; i < Length; i+= EntrySize)
{
// This size will be off by a few megabytes, no big deal in my opinion
if (EntrySize == 2)
{
ushort Value = ioya.ReadUInt16();
if (Value == 0)
{
Return += ClusterSize;
}
}
else
{
if (ioya.ReadUInt32() == 0)
{
Return += ClusterSize;
}
}
}
ioya.Close();
if (BreakAndShit)
{
break;
}
}
return Return;
}
/// <summary>
/// Partition ID
/// </summary>
public uint PartitionID()
{
uint rVal = 0;
//Open our binary reader
Streams.Reader br = FATXDrive.Reader();
//Seek to the data partition offset
br.BaseStream.Position = Partition.Offset;
//Read our buffer
Streams.Reader mem = new Streams.Reader(new System.IO.MemoryStream(br.ReadBytes(0x200)));
mem.BaseStream.Position = 0x4;
rVal = mem.ReadUInt32();
mem.Close();
return rVal;
}
public uint RootDirectoryCluster()
{
// Open our IO
Streams.Reader io = FATXDrive.Reader();
// Set the IO position...
io.BaseStream.Position = Partition.Offset;
// Read our buffer
byte[] buffer = io.ReadBytes(0x200);
// Re-open the IO in to a memory stream
io = new Streams.Reader(new System.IO.MemoryStream(buffer));
// Go to the offset that the root dir is located; 0xC
io.BaseStream.Position = 0xC;
// Read and return the int there
uint rVal = io.ReadUInt32();
io.Close();
return rVal;
}
/// <summary>
/// Number of File Allocation Tables
/// </summary>
public uint FATCopies()
{
uint rVal = 0;
//Open our binary reader
Streams.Reader br = FATXDrive.Reader();
//Seek to the data partition offset + 0xC (where the FATCopies int is)
br.BaseStream.Position = Partition.Offset;
//Create our mem reader / buffer
Streams.Reader mem = new Streams.Reader(new System.IO.MemoryStream(br.ReadBytes(0x200)));
mem.BaseStream.Position = 0xC;
//Get our value (uses outside class for bigendian)
rVal = mem.ReadUInt32();
mem.Close();
return rVal;
}
// Do not feel like recoding this function.
public void CreateNewEntry(EntryData Edata)
{
Streams.Reader br = Parent.Drive.Reader();
//Set our position so that we can read the entry location
br.BaseStream.Position = VariousFunctions.DownToNearest200(Edata.EntryOffset);
byte[] buffer = br.ReadBytes(0x200);
//Create our binary writer
Streams.Writer bw = new Streams.Writer(new System.IO.MemoryStream(buffer));
//Set our position to where the entry is
long EntryOffset = Edata.EntryOffset - VariousFunctions.DownToNearest200(Edata.EntryOffset);
bw.BaseStream.Position = EntryOffset;
//Write our entry
bw.Write(Edata.NameSize);
bw.Write(Edata.Flags);
bw.Write(Encoding.ASCII.GetBytes(Edata.Name));
if (Edata.NameSize != 0xE5)
{
int FFLength = 0x2A - Edata.NameSize;
byte[] FF = new byte[FFLength];
for (int i = 0; i < FFLength; i++)
{
FF[i] = 0xFF;
}
bw.Write(FF);
}
else
{
bw.BaseStream.Position += 0x2A - Edata.Name.Length;
}
//Right here, we need to make everything a byte array, as it feels like writing
//everything in little endian for some reason...
byte[] StartingCluster = BitConverter.GetBytes(Edata.StartingCluster);
Array.Reverse(StartingCluster);
bw.Write(StartingCluster);
byte[] Size = BitConverter.GetBytes(Edata.Size);
Array.Reverse(Size);
bw.Write(Size);
//Write ref the creation date/time 3 times
byte[] CreationDate = BitConverter.GetBytes(Edata.CreationDate);
byte[] CreationTime = BitConverter.GetBytes(Edata.CreationTime);
byte[] AccessDate = BitConverter.GetBytes(Edata.AccessDate);
byte[] AccessTime = BitConverter.GetBytes(Edata.AccessTime);
byte[] ModifiedDate = BitConverter.GetBytes(Edata.ModifiedDate);
byte[] ModifiedTime = BitConverter.GetBytes(Edata.ModifiedTime);
Array.Reverse(CreationDate);
Array.Reverse(CreationTime);
Array.Reverse(AccessDate);
Array.Reverse(AccessTime);
Array.Reverse(ModifiedDate);
Array.Reverse(ModifiedTime);
bw.Write(CreationDate);
bw.Write(CreationTime);
bw.Write(AccessDate);
bw.Write(AccessTime);
bw.Write(ModifiedDate);
bw.Write(ModifiedTime);
//Close our writer
bw.Close();
//Get our IO
bw = Parent.Drive.Writer();
bw.BaseStream.Position = VariousFunctions.DownToNearest200(Edata.EntryOffset);
//Write ref our buffer
bw.Write(buffer);
}
/// <summary>
/// Returns an array of free blocks based off of the number of blocks needed
/// </summary>
public uint[] GetFreeBlocks(Folder Partition, int blocksNeeded, uint StartBlock, long end, bool SecondLoop)
{
int Clustersize = 0x10000;
uint Block = StartBlock;
if (end == 0)
{
end = Partition.PartitionInfo.FATOffset + Partition.PartitionInfo.FATSize;
}
List <uint> BlockList = new List <uint>();
// Create our reader for the drive
Streams.Reader br = Reader();
// Create our reader for the memory stream
Streams.Reader mr = null;
for (long i = VariousFunctions.DownToNearest200(VariousFunctions.BlockToFATOffset(StartBlock, Partition)); i < end; i += Clustersize)
{
//Set our position to i
br.BaseStream.Position = i;
byte[] buffer = new byte[0];
if ((end - i) < Clustersize)
{
buffer = VariousFunctions.ReadBytes(ref br, end - i);
}
else
{
//Read our buffer
buffer = br.ReadBytes(Clustersize);
}
try
{
mr.Close();
}
catch { }
mr = new Streams.Reader(new System.IO.MemoryStream(buffer));
//Re-open our binary reader using the buffer/memory stream
for (int j = 0; j < buffer.Length; j += (int)Partition.PartitionInfo.EntrySize, Block += (uint)Partition.PartitionInfo.EntrySize)
{
mr.BaseStream.Position = j;
//If we've gotten all of our requested blocks...
if (BlockList.Count == blocksNeeded)
{
//Close our reader -> break the loop
mr.Close();
break;
}
//Read the next block entry
byte[] reading = mr.ReadBytes((int)Partition.PartitionInfo.EntrySize);
//For each byte in our reading
for (int k = 0; k < reading.Length; k++)
{
//If the byte isn't null (if the block isn't open)
if (reading[k] != 0x00)
{
//Break
break;
}
//If we've reached the end of the array, and the last byte
//is 0x00, then the block is free
if (k == reading.Length - 1 && reading[k] == 0x00)
{
//Do some maths to get the block numbah
long fOff = Partition.PartitionInfo.FATOffset;
long blockPosition = (long)i + j;
uint block = (uint)(blockPosition - fOff) / (uint)Partition.PartitionInfo.EntrySize;
BlockList.Add(block);
}
}
}
//We're putting in one last check so that we don't loop more than we need to
if (BlockList.Count == blocksNeeded)
{
break;
}
}
//If we found the required amount of free blocks - return our list
if (BlockList.Count == blocksNeeded)
{
return(BlockList.ToArray());
}
//If we didn't find the amount of blocks required, but we started from a
//block other than the first one...
if (BlockList.Count < blocksNeeded && SecondLoop == false)
{
BlockList.AddRange(GetFreeBlocks(Partition, blocksNeeded - BlockList.Count, 1, VariousFunctions.DownToNearest200(VariousFunctions.BlockToFATOffset(StartBlock, Partition)), true));
return(BlockList.ToArray());
}
//We didn't find the amount of free blocks required, meaning we're ref of
//disk space
if (BlockList.Count != blocksNeeded)
{
throw new Exception("Out of Xbox 360 hard disk space");
}
return(BlockList.ToArray());
}
/// <summary>
/// Checks to see if the drive is a valid FATX drive
/// </summary>
/// <returns>
/// True for valid
/// False for invalid
/// </returns>
public bool IsFATXDrive()
{
switch (DriveType)
{
case DriveType.HardDisk:
// Create our reader...
try
{
Streams.Reader r = Reader();
// Check to see if it's a dev drive first
r.BaseStream.Position = 0;
if (r.ReadUInt32() == 0x00020000) // dev magic
{
DevPartitionRegions[] regions = DevPartitions();
r.BaseStream.Position = (long)regions[0].Sector * 0x200;
if (r.ReadUInt32() == 0x58544146 /*XTAF*/)
{
return(IsDev = true);
}
}
else
{
// Seek to the data position
r.BaseStream.Position = (long)Geometry.HDDOffsets.Data;
// Read the magic
if (r.ReadUInt32() == 0x58544146 /*XTAF*/)
{
return(true);
}
}
}
catch { }
break;
case DriveType.USB:
try
{
Streams.Reader r2 = Reader();
// Seek to the data offset
r2.BaseStream.Position = (long)Geometry.USBOffsets.Data;
if (r2.ReadUInt32() == 0x58544146 /*XTAF*/)
{
return(true);
}
}
catch (Exception e)
{
break;
}
break;
case DriveType.Backup:
try
{
Streams.Reader r1 = Reader();
// Check to see if it's a dev drive
r1.BaseStream.Position = 0;
if (r1.ReadUInt32() == 0x00020000) // dev magic
{
DevPartitionRegions[] regions = DevPartitions();
r1.BaseStream.Position = (long)regions[0].Sector * 0x200;
if (r1.ReadUInt32() == 0x58544146 /*XTAF*/)
{
return(IsDev = true);
}
return(IsDev = true);
}
if (Length > (long)Geometry.HDDOffsets.Data)
{
// Seek to the data position
r1.BaseStream.Position = (long)Geometry.HDDOffsets.Data;
}
// Read the magic
if (r1.ReadUInt32() == 0x58544146 /*XTAF*/)
{
return(true);
}
}
catch { }
break;
}
return(false);
}
//uint dicks(ref uint r3, ref uint r4, ref uint r6, ref uint r7, ref uint r8, ref uint r9, ref uint r10)
//{
//}
public ulong GetFreeSpace()
{
// Our return
ulong Return = 0;
ulong ClusterSize = (ulong)this.ClusterSize();
// Get our position
long positionya = FATOffset;
// Get our end point
long toBeLessThan = FATOffset + RealFATSize();
// Get our IO
Streams.Reader io = FATXDrive.Reader();
// Set the position
io.BaseStream.Position = positionya;
// Start reading!
for (long dick = io.BaseStream.Position; dick < toBeLessThan; dick += 0x200)
{
bool BreakAndShit = false;
// Set the position
io.BaseStream.Position = dick;
// Read our buffer
byte[] Buffer = null;
if ((dick - FATOffset).DownToNearest200() == (toBeLessThan - FATOffset).DownToNearest200())
{
byte[] Temp = io.ReadBytes(0x200);
Buffer = new byte[(toBeLessThan - FATOffset) - (dick - FATOffset).DownToNearest200()];
Array.Copy(Temp, 0, Buffer, 0, Buffer.Length);
}
else
{
Buffer = io.ReadBytes(0x200);
}
// Length to loop for (used for the end so we can read ONLY usable partitions)
long Length = Buffer.Length;
if (dick == VariousFunctions.DownToNearest200(toBeLessThan))
{
Length = toBeLessThan - VariousFunctions.DownToNearest200(toBeLessThan);
BreakAndShit = true;
}
// Check the values
Streams.Reader ioya = new Streams.Reader(new System.IO.MemoryStream(Buffer));
for (int i = 0; i < Length; i += EntrySize)
{
// This size will be off by a few megabytes, no big deal in my opinion
if (EntrySize == 2)
{
ushort Value = ioya.ReadUInt16();
if (Value == 0)
{
Return += ClusterSize;
}
}
else
{
if (ioya.ReadUInt32() == 0)
{
Return += ClusterSize;
}
}
}
ioya.Close();
if (BreakAndShit)
{
break;
}
}
return(Return);
}
public uint[] GetBlocksOccupied()
{
List <uint> Blocks = new List <uint>();
Streams.Reader r = Parent.Drive.Reader();
Blocks.Add(Parent.StartingCluster);
byte[] Buffer = new byte[0x1000];
int buffersize = 0x1000;
long lastoffset = 0;
for (int i = 0; i < Blocks.Count; i++)
{
r.BaseStream.Position = VariousFunctions.BlockToFATOffset(Blocks[i], Parent).DownToNearestCluster(0x1000);
// We use this so that we aren't reading the same buffer
// a zillion times
if (r.BaseStream.Position != lastoffset)
{
lastoffset = r.BaseStream.Position;
Buffer = r.ReadBytes(buffersize);
}
Streams.Reader r1 = new CLKsFATXLib.Streams.Reader(new System.IO.MemoryStream(Buffer));
int OffsetInBuffer = (int)(VariousFunctions.BlockToFATOffset(Blocks[i], Parent) - VariousFunctions.BlockToFATOffset(Blocks[i], Parent).DownToNearestCluster(0x1000));
r1.BaseStream.Position = OffsetInBuffer;
switch (Parent.PartitionInfo.EntrySize)
{
case 2:
ushort Value = r1.ReadUInt16();
if (Value != 0xFFFF && Value != 0xFFF8)
{
if (Value == 0)
{
EntryData ed = Parent.EntryData;
ed.NameSize = 0xE5;
CreateNewEntry(ed);
if (Blocks.Count > 0)
{
ClearFATChain(Blocks.ToArray());
}
throw new Exception(string.Format("Bad FAT chain in file or folder {0}\r\nEntry Offset: 0x{1}\r\nLast block in FAT: 0x{2}\r\nEntry marked as deleted to avoid further errors! Please reload this device", Parent.FullPath, Parent.EntryOffset.ToString("X"), Blocks.Last().ToString("X")));
}
Blocks.Add(Value);
}
break;
case 4:
uint Value2 = r1.ReadUInt32();
if (Value2 != 0xFFFFFFFF && Value2 != 0xFFFFFFF8)
{
if (Value2 == 0)
{
EntryData ed = Parent.EntryData;
ed.NameSize = 0xE5;
CreateNewEntry(ed);
if (Blocks.Count > 0)
{
ClearFATChain(Blocks.ToArray());
}
throw new Exception(string.Format("Bad FAT chain in file or folder {0}\r\nEntry Offset: 0x{1}\r\nLast block in FAT: 0x{2}\r\nEntry marked as deleted to avoid further errors! Please reload this device", Parent.FullPath, Parent.EntryOffset.ToString("X"), Blocks.Last().ToString("X")));
}
Blocks.Add(Value2);
}
break;
}
r1.Close();
}
return(Blocks.ToArray());
}
/// <summary>
/// Returns an array of free blocks based off of the number of blocks needed
/// </summary>
public uint[] GetFreeBlocks(Folder Partition, int blocksNeeded, uint StartBlock, long end, bool SecondLoop)
{
int Clustersize = 0x10000;
uint Block = StartBlock;
if (end == 0)
{
end = Partition.PartitionInfo.FATOffset + Partition.PartitionInfo.FATSize;
}
List<uint> BlockList = new List<uint>();
// Create our reader for the drive
Streams.Reader br = Reader();
// Create our reader for the memory stream
Streams.Reader mr = null;
for (long i = VariousFunctions.DownToNearest200(VariousFunctions.BlockToFATOffset(StartBlock, Partition)); i < end; i += Clustersize)
{
//Set our position to i
br.BaseStream.Position = i;
byte[] buffer = new byte[0];
if ((end - i) < Clustersize)
{
buffer = VariousFunctions.ReadBytes(ref br, end - i);
}
else
{
//Read our buffer
buffer = br.ReadBytes(Clustersize);
}
try
{
mr.Close();
}
catch { }
mr = new Streams.Reader(new System.IO.MemoryStream(buffer));
//Re-open our binary reader using the buffer/memory stream
for (int j = 0; j < buffer.Length; j += (int)Partition.PartitionInfo.EntrySize, Block += (uint)Partition.PartitionInfo.EntrySize)
{
mr.BaseStream.Position = j;
//If we've gotten all of our requested blocks...
if (BlockList.Count == blocksNeeded)
{
//Close our reader -> break the loop
mr.Close();
break;
}
//Read the next block entry
byte[] reading = mr.ReadBytes((int)Partition.PartitionInfo.EntrySize);
//For each byte in our reading
for (int k = 0; k < reading.Length; k++)
{
//If the byte isn't null (if the block isn't open)
if (reading[k] != 0x00)
{
//Break
break;
}
//If we've reached the end of the array, and the last byte
//is 0x00, then the block is free
if (k == reading.Length - 1 && reading[k] == 0x00)
{
//Do some maths to get the block numbah
long fOff = Partition.PartitionInfo.FATOffset;
long blockPosition = (long)i + j;
uint block = (uint)(blockPosition - fOff) / (uint)Partition.PartitionInfo.EntrySize;
BlockList.Add(block);
}
}
}
//We're putting in one last check so that we don't loop more than we need to
if (BlockList.Count == blocksNeeded)
{
break;
}
}
//If we found the required amount of free blocks - return our list
if (BlockList.Count == blocksNeeded)
{
return BlockList.ToArray();
}
//If we didn't find the amount of blocks required, but we started from a
//block other than the first one...
if (BlockList.Count < blocksNeeded && SecondLoop == false)
{
BlockList.AddRange(GetFreeBlocks(Partition, blocksNeeded - BlockList.Count, 1, VariousFunctions.DownToNearest200(VariousFunctions.BlockToFATOffset(StartBlock, Partition)), true));
return BlockList.ToArray();
}
//We didn't find the amount of free blocks required, meaning we're ref of
//disk space
if (BlockList.Count != blocksNeeded)
{
throw new Exception("Out of Xbox 360 hard disk space");
}
return BlockList.ToArray();
}
/// <summary>
/// TOTAL size (includes padding) of the File Allocation Table (in bytes)
/// FOR REAL SIZE, CALL TO RealFATSize();
/// </summary>
public long FATSize()
{
if (fatsize != 0)
{
if (!SizeChecked)
{
Streams.Reader r = FATXDrive.Reader();
r.BaseStream.Position = Partition.Offset + fatsize + 0x1000;
while (true)
{
if (r.ReadUInt32() == 0x0)
{
fatsize += 0x1000;
r.BaseStream.Position += 0x1000 - 0x4;
}
else
{
break;
}
}
SizeChecked = true;
}
return(fatsize);
}
if (Partition.Offset == (long)Geometry.HDDOffsets.System_Extended)
{
return(0x5000);
}
else if (Partition.Offset == (long)Geometry.HDDOffsets.System_Cache)
{
return(0x7000);
}
#region old
//long size = 0;
//if (Partition.Offset == 0x20000000 && FATXDrive.IsUSB)
//{
// System.IO.FileInfo fi = new System.IO.FileInfo(FATXDrive.DumpPath + "\\Data0001");
// size = fi.Length - 0x1000;
// //Return the size.
// return size;
//}
//else
//{
// //This gets the size
// size = ((PartitionSize() / ClusterSize()) * EntrySize);
// //We need to round up to the nearest 0x1000 byte boundary.
// long sizeToAdd = (0x1000 - (size % 0x1000));
// if (!FATXDrive.IsUSB)
// {
// size += sizeToAdd;
// }
// //Return the size.
// return size;
//}
#endregion
//Code that rounds up to nearest cluster...
long size = 0;
#region shit
//if (Partition.Offset == 0x20000000 && FATXDrive.IsUSB)
//{
// System.IO.FileInfo fi = new System.IO.FileInfo(FATXDrive.DumpPath + "\\Data0001");
// size = fi.Length - 0x1000;
// //Ghetto
// Streams.Reader ir = FATXDrive.Reader();
// //Return the size.
// return size;
//}
//else
//{
#endregion
//This gets the size
size = (((PartitionSize() / ClusterSize())) * EntrySize);
//We need to round up to the nearest blabhlabhalkhdflkasdf byte boundary.
size = VariousFunctions.UpToNearestCluster(size + 0x1000, ClusterSize() / EntrySize) - 0x1000;
//long sizeToAdd = (0x1000 - (size % 0x1000));
//size += sizeToAdd;
//Return the size.
return(size);
//uint r24 = 0, r3, r6, r23, r10, r11, r27, r22, r25, r26, r28, r29, r30, r31;
//if (Partition.Size == 0)
//{
//}
//else
//{
// r11 = r27 & 0xFF;
// if (r11 == 2)
// {
// r11 = r22;
// r10 = r11 + r29;
// r11--;
// r10--;
// r29 = r10 & (~r11);
// r30 = r29;
// }
// else
// {
// // break here
// }
// r10 = 1;
// r3 = dicks(ref r28, ref r26, ref r27, ref r25, ref r31, ref r24, ref r10);
//}
}
/// <returns>Streams.Reader applicable to the current drive</returns>
public Streams.Reader Reader()
{
if (thisReader == null)
{
thisReader = new CLKsFATXLib.Streams.Reader(Stream());
}
thisReader.BaseStream.Position = 0;
return thisReader;
}
public EntryData[] EntryDataFromBlock(uint Block)
{
bool Break = false;
List <EntryData> eList = new List <EntryData>();
// Get our binary reader
Streams.Reader r1 = Parent.Drive.Reader();
r1.BaseStream.Position = VariousFunctions.GetBlockOffset(Block, Parent);
/* Parent.PartitionInfo.Clusters / 0x40 / 0x8 because if each
* entry is 0x40 in length and the cluster is filled to the
* max with cluster entries, then we can do division to get
* the number of entries that would be in that cluster
* the 0x8 part is because on drives we have to read in intervals
* of 0x200 right? So if Parent.PartitionInfo.Clusters / 0x40 = 0x100,
* then that means that there are 0x100 entries per cluster...
* divide that by 8 (the number of clusters within a 0x200 interval) and
* that's how many shits we have to go forward */
for (int j = 0; j < Parent.PartitionInfo.ClusterSize / 0x1000; j++)
{
// Increment our position
// Open another reader using a memory stream
long r1Position = r1.BaseStream.Position;
Streams.Reader r = new CLKsFATXLib.Streams.Reader(new System.IO.MemoryStream(r1.ReadBytes(0x1000)));
for (int k = 0; k < (0x1000 / 0x40); k++)
{
// Check to see if we've passed the last entry...
uint val = r.ReadUInt32();
if (val == 0x0 || val == 0xFFFFFFFF)
{
Break = true;
break;
}
// Go back four bytes because we just checked the next four...
r.BaseStream.Position -= 4;
long StartOffset = r.BaseStream.Position;
EntryData e = new EntryData();
e.EntryOffset = r.BaseStream.Position + r1Position;
e.NameSize = r.ReadByte();
e.Flags = r.ReadByte();
/* Because some f*****g smart guy decided to put the
* deleted flag in the name size field, we have to check
* if it's deleted or not...*/
if (e.NameSize == 0xE5)
{
// Fuckers
e.Name = Encoding.ASCII.GetString(r.ReadBytes(0x2A));
}
else
{
e.Name = Encoding.ASCII.GetString(r.ReadBytes(e.NameSize));
}
r.BaseStream.Position = StartOffset + 0x2C;
e.StartingCluster = r.ReadUInt32();
e.Size = r.ReadUInt32();
e.CreationDate = r.ReadUInt16();
e.CreationTime = r.ReadUInt16();
e.AccessDate = r.ReadUInt16();
e.AccessTime = r.ReadUInt16();
e.ModifiedDate = r.ReadUInt16();
e.ModifiedTime = r.ReadUInt16();
eList.Add(e);
}
r.Close();
if (Break)
{
break;
}
}
return(eList.ToArray());
}