public static PfsHeader ReadFromStream(System.IO.Stream s)
{
var start = s.Position;
var hdr = new PfsHeader
{
Version = s.ReadInt64LE(),
Magic = s.ReadInt64LE(),
Id = s.ReadInt64LE(),
Fmode = s.ReadUInt8(),
Clean = s.ReadUInt8(),
ReadOnly = s.ReadUInt8(),
Rsv = s.ReadUInt8(),
Mode = (PfsMode)s.ReadUInt16LE(),
Unk1 = s.ReadUInt16LE(),
BlockSize = s.ReadUInt32LE(),
NBackup = s.ReadUInt32LE(),
NBlock = s.ReadInt64LE(),
DinodeCount = s.ReadInt64LE(),
Ndblock = s.ReadInt64LE(),
DinodeBlockCount = s.ReadInt64LE(),
InodeBlockSig = DinodeS64.ReadFromStream(s)
};
s.Position = start + 0x370;
hdr.Seed = s.ReadBytes(16);
return(hdr);
}
void Setup()
{
// TODO: Combine the superroot-specific stuff with the rest of the data block writing.
// I think this is as simple as adding superroot and flat_path_table to allNodes
// This doesn't seem to really matter when verifying a PKG so use all zeroes for now
var seed = new byte[16];
// Insert header digest to be calculated with the rest of the digests
final_sigs.Push(new BlockSigInfo(0, 0x380, 0x5A0));
hdr = new PfsHeader
{
BlockSize = properties.BlockSize,
ReadOnly = 1,
Mode = (properties.Sign ? PfsMode.Signed : 0)
| (properties.Encrypt ? PfsMode.Encrypted : 0)
| PfsMode.UnknownFlagAlwaysSet,
UnknownIndex = 1,
Seed = properties.Encrypt || properties.Sign ? seed : null
};
inodes = new List <inode>();
Log("Setting up filesystem structure...");
SetupRootStructure();
allDirs = root.GetAllChildrenDirs();
//allFiles = root.GetAllChildrenFiles().Where(f => f.Parent?.name != "sce_sys" || !PKG.EntryNames.NameToId.ContainsKey(f.name)).ToList();
allNodes = new List <FSNode>(allDirs.Count);
//allNodes.AddRange(allFiles);
Log($"Creating inodes ({allDirs.Count} dirs and {allFiles.Count} files)...");
addDirInodes();
addFileInodes();
fpt = new FlatPathTable(allNodes);
Log("Calculating data block layout...");
allNodes.Insert(0, root);
CalculateDataBlockLayout();
}