public bool Identify(IMediaImage imagePlugin, Partition partition)
{
if (imagePlugin.Info.SectorSize < 512)
{
return(false);
}
uint sbSize = (uint)(Marshal.SizeOf <UNICOS_Superblock>() / imagePlugin.Info.SectorSize);
if (Marshal.SizeOf <UNICOS_Superblock>() % imagePlugin.Info.SectorSize != 0)
{
sbSize++;
}
byte[] sector = imagePlugin.ReadSectors(partition.Start, sbSize);
if (sector.Length < Marshal.SizeOf <UNICOS_Superblock>())
{
return(false);
}
UNICOS_Superblock unicosSb = Marshal.ByteArrayToStructureBigEndian <UNICOS_Superblock>(sector);
DicConsole.DebugWriteLine("UNICOS plugin", "magic = 0x{0:X16} (expected 0x{1:X16})", unicosSb.s_magic,
UNICOS_MAGIC);
return(unicosSb.s_magic == UNICOS_MAGIC);
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? Encoding.GetEncoding("iso-8859-15");
information = "";
if (imagePlugin.Info.SectorSize < 512)
{
return;
}
uint sbSize = (uint)(Marshal.SizeOf <UNICOS_Superblock>() / imagePlugin.Info.SectorSize);
if (Marshal.SizeOf <UNICOS_Superblock>() % imagePlugin.Info.SectorSize != 0)
{
sbSize++;
}
byte[] sector = imagePlugin.ReadSectors(partition.Start, sbSize);
if (sector.Length < Marshal.SizeOf <UNICOS_Superblock>())
{
return;
}
UNICOS_Superblock unicosSb = Marshal.ByteArrayToStructureBigEndian <UNICOS_Superblock>(sector);
if (unicosSb.s_magic != UNICOS_MAGIC)
{
return;
}
StringBuilder sb = new StringBuilder();
sb.AppendLine("UNICOS filesystem");
if (unicosSb.s_secure == UNICOS_SECURE)
{
sb.AppendLine("Volume is secure");
}
sb.AppendFormat("Volume contains {0} partitions", unicosSb.s_npart).AppendLine();
sb.AppendFormat("{0} bytes per sector", unicosSb.s_iounit).AppendLine();
sb.AppendLine("4096 bytes per block");
sb.AppendFormat("{0} data blocks in volume", unicosSb.s_fsize).AppendLine();
sb.AppendFormat("Root resides on inode {0}", unicosSb.s_root).AppendLine();
sb.AppendFormat("{0} inodes in volume", unicosSb.s_isize).AppendLine();
sb.AppendFormat("Volume last updated on {0}", DateHandlers.UnixToDateTime(unicosSb.s_time)).AppendLine();
if (unicosSb.s_error > 0)
{
sb.AppendFormat("Volume is dirty, error code = 0x{0:X16}", unicosSb.s_error).AppendLine();
}
sb.AppendFormat("Volume name: {0}", StringHandlers.CToString(unicosSb.s_fname, Encoding)).AppendLine();
information = sb.ToString();
XmlFsType = new FileSystemType
{
Type = "UNICOS filesystem",
ClusterSize = 4096,
Clusters = (ulong)unicosSb.s_fsize,
VolumeName = StringHandlers.CToString(unicosSb.s_fname, Encoding),
ModificationDate = DateHandlers.UnixToDateTime(unicosSb.s_time),
ModificationDateSpecified = true
};
XmlFsType.Dirty |= unicosSb.s_error > 0;
}