public bool Read()
{
var numBlocks = (int)(io.Stream.Length / BLOCK_SZ);
if (numBlocks != NUM_BLOCKS_IN_FAT)
{
return(false); // invalid image
}
var ret = ReadFilesystem();
if (!ret)
{
return(false); // failed to find valid FAT
}
SKSA = new iQueKernel(GetSKSAData());
SKSA.Read();
int idx = GetInodeIdx("cert.sys");
if (idx >= 0)
{
var data = GetInodeData(MainFsInodes[idx]);
Certs = new iQueCertCollection(data);
if (iQueCertCollection.MainCollection == null)
{
iQueCertCollection.MainCollection = new iQueCertCollection(data); // MainCollection wasn't loaded already, so lets try loading it from this nand (yolo)
}
}
idx = GetInodeIdx("depot.sys");
HasPrivateData = idx >= 0;
if (HasPrivateData)
{
var data = GetInodeData(MainFsInodes[idx]);
PrivateData = Shared.BytesToStruct <iQuePrivateData>(data);
//PrivateData.EndianSwap();
}
idx = GetInodeIdx("ticket.sys");
if (idx >= 0)
{
var data = GetInodeData(MainFsInodes[idx]);
Tickets = new iQueArrayFile <iQueTitleData>(data);
for (int i = 0; i < Tickets.Count; i++)
{
Tickets[i] = Tickets[i].EndianSwap();
}
}
idx = GetInodeIdx("crl.sys");
if (idx >= 0)
{
var data = GetInodeData(MainFsInodes[idx]);
CRL = new iQueArrayFile <iQueCertificateRevocation>(data);
foreach (var crl in CRL)
{
crl.EndianSwap();
}
}
// todo:
// recrypt.sys
// timer.sys
// sig.db
return(true);
}
public bool SetSKSAData(byte[] sksaData)
{
var sksa = new iQueKernel(sksaData);
sksa.Read();
// write SK data
io.Stream.Position = 0;
io.Writer.Write(sksa.SKData);
int lastDataBlock = -1;
int curDataBlock = NUM_SK_BLOCKS;
// write SA1 ticket area
int sa1TicketBlock = curDataBlock;
io.Stream.Position = curDataBlock * BLOCK_SZ;
io.Writer.Write(new byte[BLOCK_SZ]);
io.Stream.Position = curDataBlock * BLOCK_SZ;
io.Writer.Write(sksa.SA1SigArea.GetBytes());
// get next good block after SA1 ticket (which will be SA1 final block)
curDataBlock = GetNextGoodBlock(curDataBlock);
int sa1FinalDataBlock = curDataBlock;
int numDataBlocks = (int)(sksa.SA1SigArea.Ticket.ContentSize / BLOCK_SZ);
for (int i = numDataBlocks - 1; i >= 0; i--)
{
byte[] data = new byte[BLOCK_SZ];
Array.Copy(sksa.SA1Data, i * BLOCK_SZ, data, 0, BLOCK_SZ);
io.Stream.Position = curDataBlock * BLOCK_SZ;
io.Writer.Write(data);
lastDataBlock = curDataBlock;
curDataBlock = GetNextGoodBlock(curDataBlock);
}
if (sksa.SA2IsValid)
{
// write SA2 ticket area
int sa2TicketBlock = curDataBlock;
io.Stream.Position = curDataBlock * BLOCK_SZ;
io.Writer.Write(new byte[BLOCK_SZ]);
io.Stream.Position = curDataBlock * BLOCK_SZ;
io.Writer.Write(sksa.SA2SigArea.GetBytes());
// get next good block after SA2 ticket (which will be SA2 final block)
curDataBlock = GetNextGoodBlock(curDataBlock);
int sa2FinalDataBlock = curDataBlock;
numDataBlocks = (int)(sksa.SA2SigArea.Ticket.ContentSize / BLOCK_SZ);
for (int i = numDataBlocks - 1; i >= 0; i--)
{
byte[] data = new byte[BLOCK_SZ];
Array.Copy(sksa.SA2Data, i * BLOCK_SZ, data, 0, BLOCK_SZ);
io.Stream.Position = curDataBlock * BLOCK_SZ;
io.Writer.Write(data);
lastDataBlock = curDataBlock;
curDataBlock = GetNextGoodBlock(curDataBlock);
}
}
io.Stream.Flush();
Console.WriteLine("Updated SKSA!");
Console.WriteLine("Wrote updated nand to " + FilePath);
// reload this.SKSA
SKSA = new iQueKernel(GetSKSAData());
SKSA.Read();
return(true);
}
