public bool Identify(IMediaImage imagePlugin, Partition partition)
{
if (imagePlugin.Info.SectorSize < 512)
{
return(false);
}
uint sbAddr = REISER_SUPER_OFFSET / imagePlugin.Info.SectorSize;
if (sbAddr == 0)
{
sbAddr = 1;
}
Reiser_Superblock reiserSb = new Reiser_Superblock();
uint sbSize = (uint)(Marshal.SizeOf(reiserSb) / imagePlugin.Info.SectorSize);
if (Marshal.SizeOf(reiserSb) % imagePlugin.Info.SectorSize != 0)
{
sbSize++;
}
if (partition.Start + sbAddr + sbSize >= partition.End)
{
return(false);
}
byte[] sector = imagePlugin.ReadSectors(partition.Start + sbAddr, sbSize);
if (sector.Length < Marshal.SizeOf(reiserSb))
{
return(false);
}
IntPtr sbPtr = Marshal.AllocHGlobal(Marshal.SizeOf(reiserSb));
Marshal.Copy(sector, 0, sbPtr, Marshal.SizeOf(reiserSb));
reiserSb = (Reiser_Superblock)Marshal.PtrToStructure(sbPtr, typeof(Reiser_Superblock));
Marshal.FreeHGlobal(sbPtr);
return(Reiser35_Magic.SequenceEqual(reiserSb.magic) || Reiser36_Magic.SequenceEqual(reiserSb.magic) ||
ReiserJr_Magic.SequenceEqual(reiserSb.magic));
}
public bool Identify(IMediaImage imagePlugin, Partition partition)
{
if (imagePlugin.Info.SectorSize < 512)
{
return(false);
}
uint sbAddr = REISER_SUPER_OFFSET / imagePlugin.Info.SectorSize;
if (sbAddr == 0)
{
sbAddr = 1;
}
uint sbSize = (uint)(Marshal.SizeOf <Reiser_Superblock>() / imagePlugin.Info.SectorSize);
if (Marshal.SizeOf <Reiser_Superblock>() % imagePlugin.Info.SectorSize != 0)
{
sbSize++;
}
if (partition.Start + sbAddr + sbSize >= partition.End)
{
return(false);
}
byte[] sector = imagePlugin.ReadSectors(partition.Start + sbAddr, sbSize);
if (sector.Length < Marshal.SizeOf <Reiser_Superblock>())
{
return(false);
}
Reiser_Superblock reiserSb = Marshal.ByteArrayToStructureLittleEndian <Reiser_Superblock>(sector);
return(reiser35_magic.SequenceEqual(reiserSb.magic) || reiser36_magic.SequenceEqual(reiserSb.magic) ||
reiserJr_magic.SequenceEqual(reiserSb.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 sbAddr = REISER_SUPER_OFFSET / imagePlugin.Info.SectorSize;
if (sbAddr == 0)
{
sbAddr = 1;
}
uint sbSize = (uint)(Marshal.SizeOf <Reiser_Superblock>() / imagePlugin.Info.SectorSize);
if (Marshal.SizeOf <Reiser_Superblock>() % imagePlugin.Info.SectorSize != 0)
{
sbSize++;
}
byte[] sector = imagePlugin.ReadSectors(partition.Start + sbAddr, sbSize);
if (sector.Length < Marshal.SizeOf <Reiser_Superblock>())
{
return;
}
Reiser_Superblock reiserSb = Marshal.ByteArrayToStructureLittleEndian <Reiser_Superblock>(sector);
if (!reiser35_magic.SequenceEqual(reiserSb.magic) &&
!reiser36_magic.SequenceEqual(reiserSb.magic) &&
!reiserJr_magic.SequenceEqual(reiserSb.magic))
{
return;
}
var sb = new StringBuilder();
if (reiser35_magic.SequenceEqual(reiserSb.magic))
{
sb.AppendLine("Reiser 3.5 filesystem");
}
else if (reiser36_magic.SequenceEqual(reiserSb.magic))
{
sb.AppendLine("Reiser 3.6 filesystem");
}
else if (reiserJr_magic.SequenceEqual(reiserSb.magic))
{
sb.AppendLine("Reiser Jr. filesystem");
}
sb.AppendFormat("Volume has {0} blocks with {1} blocks free", reiserSb.block_count, reiserSb.free_blocks).
AppendLine();
sb.AppendFormat("{0} bytes per block", reiserSb.blocksize).AppendLine();
sb.AppendFormat("Root directory resides on block {0}", reiserSb.root_block).AppendLine();
if (reiserSb.umount_state == 2)
{
sb.AppendLine("Volume has not been cleanly umounted");
}
sb.AppendFormat("Volume last checked on {0}", DateHandlers.UnixUnsignedToDateTime(reiserSb.last_check)).
AppendLine();
if (reiserSb.version >= 2)
{
sb.AppendFormat("Volume UUID: {0}", reiserSb.uuid).AppendLine();
sb.AppendFormat("Volume name: {0}", Encoding.GetString(reiserSb.label)).AppendLine();
}
information = sb.ToString();
XmlFsType = new FileSystemType();
if (reiser35_magic.SequenceEqual(reiserSb.magic))
{
XmlFsType.Type = "Reiser 3.5 filesystem";
}
else if (reiser36_magic.SequenceEqual(reiserSb.magic))
{
XmlFsType.Type = "Reiser 3.6 filesystem";
}
else if (reiserJr_magic.SequenceEqual(reiserSb.magic))
{
XmlFsType.Type = "Reiser Jr. filesystem";
}
XmlFsType.ClusterSize = reiserSb.blocksize;
XmlFsType.Clusters = reiserSb.block_count;
XmlFsType.FreeClusters = reiserSb.free_blocks;
XmlFsType.FreeClustersSpecified = true;
XmlFsType.Dirty = reiserSb.umount_state == 2;
if (reiserSb.version < 2)
{
return;
}
XmlFsType.VolumeName = Encoding.GetString(reiserSb.label);
XmlFsType.VolumeSerial = reiserSb.uuid.ToString();
}
