Aaru/DiscImageChef.Filesystems/LisaFS/Info.cs

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : Info.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Apple Lisa filesystem plugin.
//
// --[ Description ] ----------------------------------------------------------
//
//     Identifies the Apple Lisa filesystem and shows information.
//
// --[ License ] --------------------------------------------------------------
//
//     This library is free software; you can redistribute it and/or modify
//     it under the terms of the GNU Lesser General Public License as
//     published by the Free Software Foundation; either version 2.1 of the
//     License, or (at your option) any later version.
//
//     This library is distributed in the hope that it will be useful, but
//     WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//     Lesser General Public License for more details.
//
//     You should have received a copy of the GNU Lesser General Public
//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2019 Natalia Portillo
// ****************************************************************************/

using System;
using System.Text;
using Claunia.Encoding;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.Console;
using DiscImageChef.Decoders;
using Schemas;
using Encoding = System.Text.Encoding;

namespace DiscImageChef.Filesystems.LisaFS
{
    public partial class LisaFS
    {
        public bool Identify(IMediaImage imagePlugin, Partition partition)
        {
            try
            {
                if(imagePlugin.Info.ReadableSectorTags == null) return false;

                if(!imagePlugin.Info.ReadableSectorTags.Contains(SectorTagType.AppleSectorTag)) return false;

                // Minimal LisaOS disk is 3.5" single sided double density, 800 sectors
                if(imagePlugin.Info.Sectors < 800) return false;

                int beforeMddf = -1;

                // LisaOS searches sectors until tag tells MDDF resides there, so we'll search 100 sectors
                for(int i = 0; i < 100; i++)
                {
                    DecodeTag(imagePlugin.ReadSectorTag((ulong)i, SectorTagType.AppleSectorTag),
                              out LisaTag.PriamTag searchTag);

                    DicConsole.DebugWriteLine("LisaFS plugin", "Sector {0}, file ID 0x{1:X4}", i, searchTag.FileId);

                    if(beforeMddf == -1 && searchTag.FileId == FILEID_LOADER_SIGNED) beforeMddf = i - 1;

                    if(searchTag.FileId != FILEID_MDDF) continue;

                    byte[] sector = imagePlugin.ReadSector((ulong)i);
                    MDDF infoMddf = new MDDF
                    {
                        mddf_block                   = BigEndianBitConverter.ToUInt32(sector, 0x6C),
                        volsize_minus_one            = BigEndianBitConverter.ToUInt32(sector, 0x70),
                        volsize_minus_mddf_minus_one = BigEndianBitConverter.ToUInt32(sector, 0x74),
                        vol_size                     = BigEndianBitConverter.ToUInt32(sector, 0x78),
                        blocksize                    = BigEndianBitConverter.ToUInt16(sector, 0x7C),
                        datasize                     = BigEndianBitConverter.ToUInt16(sector, 0x7E)
                    };

                    DicConsole.DebugWriteLine("LisaFS plugin", "Current sector = {0}",        i);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.mddf_block = {0}",       infoMddf.mddf_block);
                    DicConsole.DebugWriteLine("LisaFS plugin", "Disk size = {0} sectors",     imagePlugin.Info.Sectors);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.vol_size = {0} sectors", infoMddf.vol_size);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.vol_size - 1 = {0}",
                                              infoMddf.volsize_minus_one);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.vol_size - mddf.mddf_block -1 = {0}",
                                              infoMddf.volsize_minus_mddf_minus_one);
                    DicConsole.DebugWriteLine("LisaFS plugin", "Disk sector = {0} bytes",
                                              imagePlugin.Info.SectorSize);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.blocksize = {0} bytes", infoMddf.blocksize);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.datasize = {0} bytes",  infoMddf.datasize);

                    if(infoMddf.mddf_block != i - beforeMddf) return false;

                    if(infoMddf.vol_size > imagePlugin.Info.Sectors) return false;

                    if(infoMddf.vol_size - 1 != infoMddf.volsize_minus_one) return false;

                    if(infoMddf.vol_size - i - 1 != infoMddf.volsize_minus_mddf_minus_one - beforeMddf) return false;

                    if(infoMddf.datasize > infoMddf.blocksize) return false;

                    if(infoMddf.blocksize < imagePlugin.Info.SectorSize) return false;

                    return infoMddf.datasize == imagePlugin.Info.SectorSize;
                }

                return false;
            }
            catch(Exception ex)
            {
                DicConsole.ErrorWriteLine("Exception {0}, {1}, {2}", ex.Message, ex.InnerException, ex.StackTrace);
                return false;
            }
        }

        public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
                                   Encoding    encoding)
        {
            Encoding    = new LisaRoman();
            information = "";
            StringBuilder sb = new StringBuilder();

            try
            {
                if(imagePlugin.Info.ReadableSectorTags == null) return;

                if(!imagePlugin.Info.ReadableSectorTags.Contains(SectorTagType.AppleSectorTag)) return;

                // Minimal LisaOS disk is 3.5" single sided double density, 800 sectors
                if(imagePlugin.Info.Sectors < 800) return;

                int beforeMddf = -1;

                // LisaOS searches sectors until tag tells MDDF resides there, so we'll search 100 sectors
                for(int i = 0; i < 100; i++)
                {
                    DecodeTag(imagePlugin.ReadSectorTag((ulong)i, SectorTagType.AppleSectorTag),
                              out LisaTag.PriamTag searchTag);

                    DicConsole.DebugWriteLine("LisaFS plugin", "Sector {0}, file ID 0x{1:X4}", i, searchTag.FileId);

                    if(beforeMddf == -1 && searchTag.FileId == FILEID_LOADER_SIGNED) beforeMddf = i - 1;

                    if(searchTag.FileId != FILEID_MDDF) continue;

                    byte[] sector   = imagePlugin.ReadSector((ulong)i);
                    MDDF   infoMddf = new MDDF();
                    byte[] pString  = new byte[33];

                    infoMddf.fsversion = BigEndianBitConverter.ToUInt16(sector, 0x00);
                    infoMddf.volid     = BigEndianBitConverter.ToUInt64(sector, 0x02);
                    infoMddf.volnum    = BigEndianBitConverter.ToUInt16(sector, 0x0A);
                    Array.Copy(sector, 0x0C, pString, 0, 33);
                    infoMddf.volname  = StringHandlers.PascalToString(pString, Encoding);
                    infoMddf.unknown1 = sector[0x2D];
                    Array.Copy(sector, 0x2E, pString, 0, 33);
                    // Prevent garbage
                    infoMddf.password       = pString[0] <= 32 ? StringHandlers.PascalToString(pString, Encoding) : "";
                    infoMddf.unknown2       = sector[0x4F];
                    infoMddf.machine_id     = BigEndianBitConverter.ToUInt32(sector, 0x50);
                    infoMddf.master_copy_id = BigEndianBitConverter.ToUInt32(sector, 0x54);
                    uint lisaTime = BigEndianBitConverter.ToUInt32(sector, 0x58);
                    infoMddf.dtvc                         = DateHandlers.LisaToDateTime(lisaTime);
                    lisaTime                              = BigEndianBitConverter.ToUInt32(sector, 0x5C);
                    infoMddf.dtcc                         = DateHandlers.LisaToDateTime(lisaTime);
                    lisaTime                              = BigEndianBitConverter.ToUInt32(sector, 0x60);
                    infoMddf.dtvb                         = DateHandlers.LisaToDateTime(lisaTime);
                    lisaTime                              = BigEndianBitConverter.ToUInt32(sector, 0x64);
                    infoMddf.dtvs                         = DateHandlers.LisaToDateTime(lisaTime);
                    infoMddf.unknown3                     = BigEndianBitConverter.ToUInt32(sector, 0x68);
                    infoMddf.mddf_block                   = BigEndianBitConverter.ToUInt32(sector, 0x6C);
                    infoMddf.volsize_minus_one            = BigEndianBitConverter.ToUInt32(sector, 0x70);
                    infoMddf.volsize_minus_mddf_minus_one = BigEndianBitConverter.ToUInt32(sector, 0x74);
                    infoMddf.vol_size                     = BigEndianBitConverter.ToUInt32(sector, 0x78);
                    infoMddf.blocksize                    = BigEndianBitConverter.ToUInt16(sector, 0x7C);
                    infoMddf.datasize                     = BigEndianBitConverter.ToUInt16(sector, 0x7E);
                    infoMddf.unknown4                     = BigEndianBitConverter.ToUInt16(sector, 0x80);
                    infoMddf.unknown5                     = BigEndianBitConverter.ToUInt32(sector, 0x82);
                    infoMddf.unknown6                     = BigEndianBitConverter.ToUInt32(sector, 0x86);
                    infoMddf.clustersize                  = BigEndianBitConverter.ToUInt16(sector, 0x8A);
                    infoMddf.fs_size                      = BigEndianBitConverter.ToUInt32(sector, 0x8C);
                    infoMddf.unknown7                     = BigEndianBitConverter.ToUInt32(sector, 0x90);
                    infoMddf.srec_ptr                     = BigEndianBitConverter.ToUInt32(sector, 0x94);
                    infoMddf.unknown9                     = BigEndianBitConverter.ToUInt16(sector, 0x98);
                    infoMddf.srec_len                     = BigEndianBitConverter.ToUInt16(sector, 0x9A);
                    infoMddf.unknown10                    = BigEndianBitConverter.ToUInt32(sector, 0x9C);
                    infoMddf.unknown11                    = BigEndianBitConverter.ToUInt32(sector, 0xA0);
                    infoMddf.unknown12                    = BigEndianBitConverter.ToUInt32(sector, 0xA4);
                    infoMddf.unknown13                    = BigEndianBitConverter.ToUInt32(sector, 0xA8);
                    infoMddf.unknown14                    = BigEndianBitConverter.ToUInt32(sector, 0xAC);
                    infoMddf.filecount                    = BigEndianBitConverter.ToUInt16(sector, 0xB0);
                    infoMddf.unknown15                    = BigEndianBitConverter.ToUInt32(sector, 0xB2);
                    infoMddf.unknown16                    = BigEndianBitConverter.ToUInt32(sector, 0xB6);
                    infoMddf.freecount                    = BigEndianBitConverter.ToUInt32(sector, 0xBA);
                    infoMddf.unknown17                    = BigEndianBitConverter.ToUInt16(sector, 0xBE);
                    infoMddf.unknown18                    = BigEndianBitConverter.ToUInt32(sector, 0xC0);
                    infoMddf.overmount_stamp              = BigEndianBitConverter.ToUInt64(sector, 0xC4);
                    infoMddf.serialization                = BigEndianBitConverter.ToUInt32(sector, 0xCC);
                    infoMddf.unknown19                    = BigEndianBitConverter.ToUInt32(sector, 0xD0);
                    infoMddf.unknown_timestamp            = BigEndianBitConverter.ToUInt32(sector, 0xD4);
                    infoMddf.unknown20                    = BigEndianBitConverter.ToUInt32(sector, 0xD8);
                    infoMddf.unknown21                    = BigEndianBitConverter.ToUInt32(sector, 0xDC);
                    infoMddf.unknown22                    = BigEndianBitConverter.ToUInt32(sector, 0xE0);
                    infoMddf.unknown23                    = BigEndianBitConverter.ToUInt32(sector, 0xE4);
                    infoMddf.unknown24                    = BigEndianBitConverter.ToUInt32(sector, 0xE8);
                    infoMddf.unknown25                    = BigEndianBitConverter.ToUInt32(sector, 0xEC);
                    infoMddf.unknown26                    = BigEndianBitConverter.ToUInt32(sector, 0xF0);
                    infoMddf.unknown27                    = BigEndianBitConverter.ToUInt32(sector, 0xF4);
                    infoMddf.unknown28                    = BigEndianBitConverter.ToUInt32(sector, 0xF8);
                    infoMddf.unknown29                    = BigEndianBitConverter.ToUInt32(sector, 0xFC);
                    infoMddf.unknown30                    = BigEndianBitConverter.ToUInt32(sector, 0x100);
                    infoMddf.unknown31                    = BigEndianBitConverter.ToUInt32(sector, 0x104);
                    infoMddf.unknown32                    = BigEndianBitConverter.ToUInt32(sector, 0x108);
                    infoMddf.unknown33                    = BigEndianBitConverter.ToUInt32(sector, 0x10C);
                    infoMddf.unknown34                    = BigEndianBitConverter.ToUInt32(sector, 0x110);
                    infoMddf.unknown35                    = BigEndianBitConverter.ToUInt32(sector, 0x114);
                    infoMddf.backup_volid                 = BigEndianBitConverter.ToUInt64(sector, 0x118);
                    infoMddf.label_size                   = BigEndianBitConverter.ToUInt16(sector, 0x120);
                    infoMddf.fs_overhead                  = BigEndianBitConverter.ToUInt16(sector, 0x122);
                    infoMddf.result_scavenge              = BigEndianBitConverter.ToUInt16(sector, 0x124);
                    infoMddf.boot_code                    = BigEndianBitConverter.ToUInt16(sector, 0x126);
                    infoMddf.boot_environ                 = BigEndianBitConverter.ToUInt16(sector, 0x6C);
                    infoMddf.unknown36                    = BigEndianBitConverter.ToUInt32(sector, 0x12A);
                    infoMddf.unknown37                    = BigEndianBitConverter.ToUInt32(sector, 0x12E);
                    infoMddf.unknown38                    = BigEndianBitConverter.ToUInt32(sector, 0x132);
                    infoMddf.vol_sequence                 = BigEndianBitConverter.ToUInt16(sector, 0x136);
                    infoMddf.vol_left_mounted             = sector[0x138];

                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown1 = 0x{0:X2} ({0})",  infoMddf.unknown1);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown2 = 0x{0:X2} ({0})",  infoMddf.unknown2);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown3 = 0x{0:X8} ({0})",  infoMddf.unknown3);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown4 = 0x{0:X4} ({0})",  infoMddf.unknown4);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown5 = 0x{0:X8} ({0})",  infoMddf.unknown5);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown6 = 0x{0:X8} ({0})",  infoMddf.unknown6);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown7 = 0x{0:X8} ({0})",  infoMddf.unknown7);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown9 = 0x{0:X4} ({0})",  infoMddf.unknown9);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown10 = 0x{0:X8} ({0})", infoMddf.unknown10);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown11 = 0x{0:X8} ({0})", infoMddf.unknown11);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown12 = 0x{0:X8} ({0})", infoMddf.unknown12);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown13 = 0x{0:X8} ({0})", infoMddf.unknown13);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown14 = 0x{0:X8} ({0})", infoMddf.unknown14);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown15 = 0x{0:X8} ({0})", infoMddf.unknown15);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown16 = 0x{0:X8} ({0})", infoMddf.unknown16);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown17 = 0x{0:X4} ({0})", infoMddf.unknown17);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown18 = 0x{0:X8} ({0})", infoMddf.unknown18);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown19 = 0x{0:X8} ({0})", infoMddf.unknown19);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown20 = 0x{0:X8} ({0})", infoMddf.unknown20);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown21 = 0x{0:X8} ({0})", infoMddf.unknown21);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown22 = 0x{0:X8} ({0})", infoMddf.unknown22);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown23 = 0x{0:X8} ({0})", infoMddf.unknown23);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown24 = 0x{0:X8} ({0})", infoMddf.unknown24);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown25 = 0x{0:X8} ({0})", infoMddf.unknown25);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown26 = 0x{0:X8} ({0})", infoMddf.unknown26);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown27 = 0x{0:X8} ({0})", infoMddf.unknown27);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown28 = 0x{0:X8} ({0})", infoMddf.unknown28);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown29 = 0x{0:X8} ({0})", infoMddf.unknown29);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown30 = 0x{0:X8} ({0})", infoMddf.unknown30);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown31 = 0x{0:X8} ({0})", infoMddf.unknown31);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown32 = 0x{0:X8} ({0})", infoMddf.unknown32);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown33 = 0x{0:X8} ({0})", infoMddf.unknown33);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown34 = 0x{0:X8} ({0})", infoMddf.unknown34);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown35 = 0x{0:X8} ({0})", infoMddf.unknown35);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown36 = 0x{0:X8} ({0})", infoMddf.unknown36);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown37 = 0x{0:X8} ({0})", infoMddf.unknown37);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown38 = 0x{0:X8} ({0})", infoMddf.unknown38);
                    DicConsole.DebugWriteLine("LisaFS plugin", "mddf.unknown_timestamp = 0x{0:X8} ({0}, {1})",
                                              infoMddf.unknown_timestamp,
                                              DateHandlers.LisaToDateTime(infoMddf.unknown_timestamp));

                    if(infoMddf.mddf_block != i - beforeMddf) return;

                    if(infoMddf.vol_size > imagePlugin.Info.Sectors) return;

                    if(infoMddf.vol_size - 1 != infoMddf.volsize_minus_one) return;

                    if(infoMddf.vol_size - i - 1 != infoMddf.volsize_minus_mddf_minus_one - beforeMddf) return;

                    if(infoMddf.datasize > infoMddf.blocksize) return;

                    if(infoMddf.blocksize < imagePlugin.Info.SectorSize) return;

                    if(infoMddf.datasize != imagePlugin.Info.SectorSize) return;

                    switch(infoMddf.fsversion)
                    {
                        case LISA_V1:
                            sb.AppendLine("LisaFS v1");
                            break;
                        case LISA_V2:
                            sb.AppendLine("LisaFS v2");
                            break;
                        case LISA_V3:
                            sb.AppendLine("LisaFS v3");
                            break;
                        default:
                            sb.AppendFormat("Uknown LisaFS version {0}", infoMddf.fsversion).AppendLine();
                            break;
                    }

                    sb.AppendFormat("Volume name: \"{0}\"", infoMddf.volname).AppendLine();
                    sb.AppendFormat("Volume password: \"{0}\"", infoMddf.password).AppendLine();
                    sb.AppendFormat("Volume ID: 0x{0:X16}", infoMddf.volid).AppendLine();
                    sb.AppendFormat("Backup volume ID: 0x{0:X16}", infoMddf.backup_volid).AppendLine();

                    sb.AppendFormat("Master copy ID: 0x{0:X8}", infoMddf.master_copy_id).AppendLine();

                    sb.AppendFormat("Volume is number {0} of {1}", infoMddf.volnum, infoMddf.vol_sequence).AppendLine();

                    sb.AppendFormat("Serial number of Lisa computer that created this volume: {0}", infoMddf.machine_id)
                      .AppendLine();
                    sb.AppendFormat("Serial number of Lisa computer that can use this volume's software {0}",
                                    infoMddf.serialization).AppendLine();

                    sb.AppendFormat("Volume created on {0}", infoMddf.dtvc).AppendLine();
                    sb.AppendFormat("Some timestamp, says {0}", infoMddf.dtcc).AppendLine();
                    sb.AppendFormat("Volume backed up on {0}", infoMddf.dtvb).AppendLine();
                    sb.AppendFormat("Volume scavenged on {0}", infoMddf.dtvs).AppendLine();
                    sb.AppendFormat("MDDF is in block {0}", infoMddf.mddf_block + beforeMddf).AppendLine();
                    sb.AppendFormat("There are {0} reserved blocks before volume", beforeMddf).AppendLine();
                    sb.AppendFormat("{0} blocks minus one", infoMddf.volsize_minus_one).AppendLine();
                    sb.AppendFormat("{0} blocks minus one minus MDDF offset", infoMddf.volsize_minus_mddf_minus_one)
                      .AppendLine();
                    sb.AppendFormat("{0} blocks in volume", infoMddf.vol_size).AppendLine();
                    sb.AppendFormat("{0} bytes per sector (uncooked)", infoMddf.blocksize).AppendLine();
                    sb.AppendFormat("{0} bytes per sector", infoMddf.datasize).AppendLine();
                    sb.AppendFormat("{0} blocks per cluster", infoMddf.clustersize).AppendLine();
                    sb.AppendFormat("{0} blocks in filesystem", infoMddf.fs_size).AppendLine();
                    sb.AppendFormat("{0} files in volume", infoMddf.filecount).AppendLine();
                    sb.AppendFormat("{0} blocks free", infoMddf.freecount).AppendLine();
                    sb.AppendFormat("{0} bytes in LisaInfo", infoMddf.label_size).AppendLine();
                    sb.AppendFormat("Filesystem overhead: {0}", infoMddf.fs_overhead).AppendLine();
                    sb.AppendFormat("Scanvenger result code: 0x{0:X8}", infoMddf.result_scavenge).AppendLine();
                    sb.AppendFormat("Boot code: 0x{0:X8}", infoMddf.boot_code).AppendLine();
                    sb.AppendFormat("Boot environment:  0x{0:X8}", infoMddf.boot_environ).AppendLine();
                    sb.AppendFormat("Overmount stamp: 0x{0:X16}", infoMddf.overmount_stamp).AppendLine();
                    sb.AppendFormat("S-Records start at {0} and spans for {1} blocks",
                                    infoMddf.srec_ptr + infoMddf.mddf_block + beforeMddf, infoMddf.srec_len)
                      .AppendLine();

                    sb.AppendLine(infoMddf.vol_left_mounted == 0 ? "Volume is clean" : "Volume is dirty");

                    information = sb.ToString();

                    XmlFsType = new FileSystemType();
                    if(DateTime.Compare(infoMddf.dtvb, DateHandlers.LisaToDateTime(0)) > 0)
                    {
                        XmlFsType.BackupDate          = infoMddf.dtvb;
                        XmlFsType.BackupDateSpecified = true;
                    }

                    XmlFsType.Clusters    = infoMddf.vol_size;
                    XmlFsType.ClusterSize = (uint)(infoMddf.clustersize * infoMddf.datasize);
                    if(DateTime.Compare(infoMddf.dtvc, DateHandlers.LisaToDateTime(0)) > 0)
                    {
                        XmlFsType.CreationDate          = infoMddf.dtvc;
                        XmlFsType.CreationDateSpecified = true;
                    }

                    XmlFsType.Dirty                 = infoMddf.vol_left_mounted != 0;
                    XmlFsType.Files                 = infoMddf.filecount;
                    XmlFsType.FilesSpecified        = true;
                    XmlFsType.FreeClusters          = infoMddf.freecount;
                    XmlFsType.FreeClustersSpecified = true;
                    XmlFsType.Type                  = "LisaFS";
                    XmlFsType.VolumeName            = infoMddf.volname;
                    XmlFsType.VolumeSerial          = $"{infoMddf.volid:X16}";

                    return;
                }
            }
            catch(Exception ex)
            {
                DicConsole.ErrorWriteLine("Exception {0}, {1}, {2}", ex.Message, ex.InnerException, ex.StackTrace);
            }
        }
    }
}