public static PartitionEntry Parse(byte[] entry)
{
if (entry.Length != 16)
{
throw new Exception("Buffer length invalid.");
}
using var ms = new MemoryStream(entry);
using var r = new BinaryReader(ms);
var part = new PartitionEntry();
part.PartStatus = r.ReadByte();
part.StartHead = r.ReadByte();
var temp = r.ReadByte();
part.StartSector = GetBitValue(temp, 0, 6);
part.StartTrackMsb = GetBitValue(temp, 6, 2);
part.StartTrackLsb = r.ReadByte();
part.Type = r.ReadByte();
part.EndHead = r.ReadByte();
temp = r.ReadByte();
part.EndSector = GetBitValue(temp, 0, 6);
part.EndTrackMsb = GetBitValue(temp, 6, 2);
part.EndTrackLsb = r.ReadByte();
part.Lba = r.ReadUInt32();
part.NumberOfSectors = r.ReadUInt32();
return(part);
}
public static Mbr Parse(byte[] rawMbr)
{
if (rawMbr.Length != 512)
{
throw new Exception("Invalid mbr buffer length");
}
var mbr = new Mbr();
using var s = new MemoryStream(rawMbr);
using var r = new BinaryReader(s);
mbr.Legacy = r.ReadBytes(mbr.Legacy.Length);
mbr.Sig = r.ReadUInt32();
mbr.Reserved = r.ReadBytes(mbr.Reserved.Length);
for (var i = 0; i < 4; i++)
{
var bytes = r.ReadBytes(16);
mbr.Partitions.Add(PartitionEntry.Parse(bytes));
}
mbr.Magic = r.ReadUInt16();
return(mbr);
}
