private void btnBuildHFS0_Click(object sender, EventArgs e)
{
clearReadData();
if (!prepareInOutDialogs())
{
try
{
HFS0Manager.BuildHFS0(inDirDialog.SelectedPath, outFileDialog.FileName);
MessageBox.Show("Sucessfully build the file!");
System.Diagnostics.Process.Start("explorer.exe", "/select, \"" + outFileDialog.FileName + "\"");
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
else
{
MessageBox.Show("Error when setting the paths!");
}
}
private void btnAutoXCI_Click(object sender, EventArgs e)
{
clearReadData();
if (!prepareInOutDialogs(Environment.CurrentDirectory, "XCI-File|*.xci"))
{
try
{
string inPath = Path.Combine(inDirDialog.SelectedPath);
string outPath = Path.Combine(outFileDialog.FileName);
string tmpPath = Path.Combine(inPath, "root_tmp");
Directory.CreateDirectory(tmpPath);
HFS0Manager.BuildHFS0(Path.Combine(inPath, "secure"), Path.Combine(tmpPath, "secure"));
HFS0Manager.BuildHFS0(Path.Combine(inPath, "normal"), Path.Combine(tmpPath, "normal"));
HFS0Manager.BuildHFS0(Path.Combine(inPath, "update"), Path.Combine(tmpPath, "update"));
if (Directory.Exists(Path.Combine(inPath, "logo")))
{
HFS0Manager.BuildHFS0(Path.Combine(inPath, "logo"), Path.Combine(tmpPath, "logo"));
}
HFS0Manager.BuildHFS0(tmpPath, Path.Combine(inPath, "root.hfs0"));
XCIManager.BuildXCI(inPath, outPath);
File.Delete(Path.Combine(inPath, "root.hfs0"));
Directory.Delete(tmpPath, true);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
else
{
MessageBox.Show("Error when setting the paths!");
}
}
internal static bool BuildXCI(string inDir, string outFile)
{
// root.hfs0 contains secure/update/normal which are hfs0 on their owno
string rootPath = Path.Combine(inDir, "root.hfs0");
// gameData.ini contains vital data to build the XCI
string iniPath = Path.Combine(inDir, "game_info.ini");
if (!File.Exists(rootPath))
{
Console.WriteLine("[ERR] {0} does not exist.", rootPath);
return(false);
}
xci_header header = new xci_header();
gamecard_info gcInfo = new gamecard_info();
// Static stuff
header.Magic = 0x44414548; // HEAD < -- XCI Header
header.BackupAreaAddress = 0xFFFFFFFF; // This is probably reserved for future use
header.HeaderVersion = (byte)0x0; // This is probably reserved for future use
header.Flag = 0; // This is probably reserved for future use
header.SecureModeFlag = 1; // Secure mode enabled
header.TitleKeyFlag = 2;
header.KeyFlag = 0;
// Fake RSA signature
byte[] fakeSignature = new byte[XCI_SIGNATURE_SIZE];
mainForm.Rand.NextBytes(fakeSignature);
header.Signature = fakeSignature;
// Ini loaded stuff
if (File.Exists(iniPath))
{
IniFile iniFile = new IniFile(iniPath);
// Header
header.KEK = byte.Parse(iniFile.Read("KEKIndex", "XCI_Header"));
header.GamecardIV = iniFile.ReadBytes("GamecardIV", "XCI_Header");
header.InitialDataHash = iniFile.ReadBytes("InitialDataHash", "XCI_Header");
header.PackageID = UInt64.Parse(iniFile.Read("PackageID", "XCI_Header"));
// Gamecard Info
gcInfo.Version = UInt64.Parse(iniFile.Read("Version", "GameCard_Info"));
gcInfo.AccessControlFlags = UInt32.Parse(iniFile.Read("AccessControlFlags", "GameCard_Info"));
gcInfo.ReadWaitTime = UInt32.Parse(iniFile.Read("ReadWaitTime", "GameCard_Info"));
gcInfo.ReadWaitTime2 = UInt32.Parse(iniFile.Read("ReadWaitTime2", "GameCard_Info"));
gcInfo.WriteWriteTime = UInt32.Parse(iniFile.Read("WriteWriteTime", "GameCard_Info"));
gcInfo.WriteWriteTime2 = UInt32.Parse(iniFile.Read("WriteWriteTime2", "GameCard_Info"));
gcInfo.FirmwareMode = UInt32.Parse(iniFile.Read("FirmwareMode", "GameCard_Info"));
gcInfo.CUPVersion = UInt32.Parse(iniFile.Read("CUPVersion", "GameCard_Info"));
gcInfo.CUPID = UInt64.Parse(iniFile.Read("CUPID", "GameCard_Info"));
}
else
{
Console.WriteLine("[WARN] {0} does not exist. Data will be randomized (and the XCI could not work)", iniPath);
// Header
header.KEK = 0;
mainForm.Rand.NextBytes(header.GamecardIV);
header.PackageID = Utils.LongRandom(0, 100000000000000000, mainForm.Rand);
// Gamecard Info - Taken from Cave Story (and pretty much universal)
gcInfo.Version = 1;
gcInfo.AccessControlFlags = 10551313;
gcInfo.ReadWaitTime = 5000;
gcInfo.ReadWaitTime2 = 0;
gcInfo.WriteWriteTime = 0;
gcInfo.WriteWriteTime2 = 0;
gcInfo.FirmwareMode = 790784;
gcInfo.CUPVersion = 450;
gcInfo.CUPID = 72057594037930006;
}
// Read root.hfs0 raw (for header size and hash)
byte[] rootHeader = HFS0Manager.GetHFS0Header(rootPath);
header.HFS0HeaderSize = Convert.ToUInt32(rootHeader.Length);
// hfs0 should be 0x200 aligned in order to properly work. // TODO should it?
if (header.HFS0HeaderSize % 0x200 != 0)
{
Console.WriteLine("[WARN] root.hfs0 is not 0x200 aligned.");
}
// Calculating SHA256 of root.hfs0 header
header.HFS0HeaderHash = mainForm.SHA256.ComputeHash(rootHeader);
// Read root.hfs0 (for partition details)
HFS0Manager.hfs0_header rootHeaderManaged = new HFS0Manager.hfs0_header();
List <HFS0Manager.hfs0_file_entry> rootFileEntries = new List <HFS0Manager.hfs0_file_entry>();
List <string> rootStringTable = new List <string>();
HFS0Manager.GetHFS0Managed(rootPath, ref rootHeaderManaged, ref rootFileEntries, ref rootStringTable);
int partitionIndex = 0;
foreach (var fileName in rootStringTable)
{
if (fileName == "secure")
{
UInt32 secureOffset = Convert.ToUInt32(HFS0_START + header.HFS0HeaderSize + rootFileEntries[partitionIndex].Offset);
if (secureOffset % 0x200 != 0)
{
Console.WriteLine("[WARN] secure.hfs0 is not 0x200 aligned.");
}
// This is fine since we force partition order
header.SecureOffset = header.NormalAreaEndAddress = (UInt32)(secureOffset / 0x200);
}
partitionIndex++;
}
header.HFS0Offset = HFS0_START;
UInt32 CardSize = Convert.ToUInt32(HFS0_START + (ulong)(new FileInfo(rootPath).Length));
if (CardSize % 0x200 != 0)
{
Console.WriteLine("[WARN] card size is not 0x200 aligned.");
}
header.CardSize = CardSize / 0x200 - 1; // Excludes signature
if (header.CardSize * 0x200l > 16l * 1024l * 1024l * 1024l)
{
header.CartType = CartridgeType.CARTSIZE_32GB;
}
else if (header.CardSize * 0x200l > 8l * 1024l * 1024l * 1024l)
{
header.CartType = CartridgeType.CARTSIZE_16GB;
}
else if (header.CardSize * 0x200l > 4l * 1024l * 1024l * 1024l)
{
header.CartType = CartridgeType.CARTSIZE_8GB;
}
else if (header.CardSize * 0x200l > 2l * 1024l * 1024l * 1024l)
{
header.CartType = CartridgeType.CARTSIZE_4GB;
}
else
{
header.CartType = CartridgeType.CARTSIZE_2GB;
}
// Write encrypted gamecardinfo header
byte[] rawGameCardInfo = Utils.StructureToByteArray(gcInfo);
// REVERSE THA IV
byte[] iv_flipped = new byte[XCIManager.XCI_IV_SIZE];
Array.Copy(header.GamecardIV, iv_flipped, XCIManager.XCI_IV_SIZE);
Array.Reverse(iv_flipped);
// GameCardInfo Encrypt
var encrypt = mainForm.AES128CBC.CreateEncryptor(XCIManager.XCI_GAMECARDINFO_KEY, iv_flipped);
var gcInfoStream = new MemoryStream(rawGameCardInfo);
var gcCryptoStream = new CryptoStream(gcInfoStream, encrypt, CryptoStreamMode.Read);
// Create the struct
byte[] rawEncryptedGameCardInfo = new byte[XCI_GAMECARD_INFO_LENGTH];
gcCryptoStream.Read(rawEncryptedGameCardInfo, 0, XCI_GAMECARD_INFO_LENGTH);
// Clean stuff up
gcInfoStream.Close();
gcCryptoStream.Close();
encrypt.Dispose();
header.GamecardInfo = rawEncryptedGameCardInfo;
FileStream fs;
BinaryWriter bw;
// Opening output file
try
{
fs = new FileStream(outFile, FileMode.Create, FileAccess.Write);
bw = new BinaryWriter(fs);
}
catch (Exception ex)
{
Console.WriteLine("[ERR] Cannot create {0}.\n{1}", outFile, ex.Message);
return(false);
}
// Writing header
bw.Write(Utils.StructureToByteArray(header));
// Writing padding
int toWrite00 = 0x6E00;
for (int i = 0; i < toWrite00; i++)
{
bw.Write((byte)0x0);
}
int toWriteFF = 0x8000;
for (int i = 0; i < toWriteFF; i++)
{
bw.Write((byte)0xFF);
}
// Writing data
FileStream stream = new FileStream(rootPath, FileMode.Open, FileAccess.Read);
byte[] buffer = new Byte[1024 * 5];
int count = 0;
while ((count = stream.Read(buffer, 0, buffer.Length)) > 0)
{
bw.Write(buffer, 0, count);
}
stream.Close();
return(true);
}
