Files
Aaru/FileSystemIDandChk/Plugins/LisaFS.cs
Natalia Portillo 1491a5ccca Change license from AGPLv3 to GPLv3 to make some good friends happier,
and be able to use code from Linux if ever *ever* needed.
2014-04-19 18:23:00 +01:00

573 lines
29 KiB
C#

/***************************************************************************
FileSystem identifier and checker
----------------------------------------------------------------------------
Filename : LisaFS.cs
Version : 1.0
Author(s) : Natalia Portillo
Component : Filesystem plugins
Revision : $Revision$
Last change by : $Author$
Date : $Date$
--[ Description ] ----------------------------------------------------------
Identifies Apple Lisa filesystems and shows information.
--[ License ] --------------------------------------------------------------
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
----------------------------------------------------------------------------
Copyright (C) 2011-2014 Claunia.com
****************************************************************************/
//$Id$
using System;
using System.Text;
using FileSystemIDandChk;
using FileSystemIDandChk.ImagePlugins;
// All information by Natalia Portillo
// Variable names from Lisa API
namespace FileSystemIDandChk.Plugins
{
class LisaFS : Plugin
{
const byte LisaFSv1 = 0x0E;
const byte LisaFSv2 = 0x0F;
const byte LisaFSv3 = 0x11;
const uint E_NAME = 32;
// Maximum string size in LisaFS
const UInt16 FILEID_FREE = 0x0000;
const UInt16 FILEID_BOOT = 0xAAAA;
const UInt16 FILEID_LOADER = 0xBBBB;
const UInt16 FILEID_MDDF = 0x0001;
const UInt16 FILEID_BITMAP = 0x0002;
const UInt16 FILEID_SRECORD = 0x0003;
const UInt16 FILEID_DIRECTORY = 0x0004;
// "Catalog file"
const UInt16 FILEID_ERASED = 0x7FFF;
const UInt16 FILEID_MAX = FILEID_ERASED;
public LisaFS(PluginBase Core)
{
Name = "Apple Lisa File System";
PluginUUID = new Guid("7E6034D1-D823-4248-A54D-239742B28391");
}
public override bool Identify(ImagePlugin imagePlugin, ulong partitionOffset)
{
try
{
// LisaOS is big-endian
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
// Minimal LisaOS disk is 3.5" single sided double density, 800 sectors
if (imagePlugin.GetSectors() < 800)
return false;
// LisaOS searches sectors until tag tells MDDF resides there, so we'll search 100 sectors
for (int i = 0; i < 100; i++)
{
byte[] tag = imagePlugin.ReadSectorTag((ulong)i, SectorTagType.AppleSectorTag);
UInt16 fileid = BigEndianBitConverter.ToUInt16(tag, 0x04);
if (MainClass.isDebug)
Console.WriteLine("DEBUG (LisaFS plugin): Sector {0}, file ID 0x{1:X4}", i, fileid);
if (fileid == FILEID_MDDF)
{
byte[] sector = imagePlugin.ReadSector((ulong)i);
Lisa_MDDF mddf = new Lisa_MDDF();
mddf.mddf_block = BigEndianBitConverter.ToUInt32(sector, 0x6C);
mddf.volsize_minus_one = BigEndianBitConverter.ToUInt32(sector, 0x70);
mddf.volsize_minus_mddf_minus_one = BigEndianBitConverter.ToUInt32(sector, 0x74);
mddf.vol_size = BigEndianBitConverter.ToUInt32(sector, 0x78);
mddf.blocksize = BigEndianBitConverter.ToUInt16(sector, 0x7C);
mddf.datasize = BigEndianBitConverter.ToUInt16(sector, 0x7E);
if (MainClass.isDebug)
{
Console.WriteLine("DEBUG (LisaFS plugin): Current sector = {0}", i);
Console.WriteLine("DEBUG (LisaFS plugin): mddf.mddf_block = {0}", mddf.mddf_block);
Console.WriteLine("DEBUG (LisaFS plugin): Disk size = {0} sectors", imagePlugin.GetSectors());
Console.WriteLine("DEBUG (LisaFS plugin): mddf.vol_size = {0} sectors", mddf.vol_size);
Console.WriteLine("DEBUG (LisaFS plugin): mddf.vol_size - 1 = {0}", mddf.volsize_minus_one);
Console.WriteLine("DEBUG (LisaFS plugin): mddf.vol_size - mddf.mddf_block -1 = {0}", mddf.volsize_minus_mddf_minus_one);
Console.WriteLine("DEBUG (LisaFS plugin): Disk sector = {0} bytes", imagePlugin.GetSectorSize());
Console.WriteLine("DEBUG (LisaFS plugin): mddf.blocksize = {0} bytes", mddf.blocksize);
Console.WriteLine("DEBUG (LisaFS plugin): mddf.datasize = {0} bytes", mddf.datasize);
}
if (mddf.mddf_block != i)
return false;
if (mddf.vol_size > imagePlugin.GetSectors())
return false;
if (mddf.vol_size - 1 != mddf.volsize_minus_one)
return false;
if (mddf.vol_size - i - 1 != mddf.volsize_minus_mddf_minus_one)
return false;
if (mddf.datasize > mddf.blocksize)
return false;
if (mddf.blocksize < imagePlugin.GetSectorSize())
return false;
if (mddf.datasize != imagePlugin.GetSectorSize())
return false;
return true;
}
}
return false;
}
catch (Exception ex)
{
if (MainClass.isDebug)
Console.WriteLine("DEBUG (LisaFS plugin): Exception {0}, {1}, {2}", ex.Message, ex.InnerException, ex.StackTrace);
return false;
}
}
public override void GetInformation(ImagePlugin imagePlugin, ulong partitionOffset, out string information)
{
information = "";
StringBuilder sb = new StringBuilder();
try
{
// LisaOS is big-endian
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
// Minimal LisaOS disk is 3.5" single sided double density, 800 sectors
if (imagePlugin.GetSectors() < 800)
return;
// LisaOS searches sectors until tag tells MDDF resides there, so we'll search 100 sectors
for (int i = 0; i < 100; i++)
{
byte[] tag = imagePlugin.ReadSectorTag((ulong)i, SectorTagType.AppleSectorTag);
UInt16 fileid = BigEndianBitConverter.ToUInt16(tag, 0x04);
if (MainClass.isDebug)
Console.WriteLine("DEBUG (LisaFS plugin): Sector {0}, file ID 0x{1:X4}", i, fileid);
if (fileid == FILEID_MDDF)
{
byte[] sector = imagePlugin.ReadSector((ulong)i);
Lisa_MDDF mddf = new Lisa_MDDF();
byte[] pString = new byte[33];
UInt32 lisa_time;
mddf.fsversion = BigEndianBitConverter.ToUInt16(sector, 0x00);
mddf.volid = BigEndianBitConverter.ToUInt64(sector, 0x02);
mddf.volnum = BigEndianBitConverter.ToUInt16(sector, 0x0A);
Array.Copy(sector, 0x0C, pString, 0, 33);
mddf.volname = StringHandlers.PascalToString(pString);
mddf.unknown1 = sector[0x2D];
Array.Copy(sector, 0x2E, pString, 0, 33);
// Prevent garbage
if (pString[0] <= 32)
mddf.password = StringHandlers.PascalToString(pString);
else
mddf.password = "";
mddf.unknown2 = sector[0x4F];
mddf.machine_id = BigEndianBitConverter.ToUInt32(sector, 0x50);
mddf.master_copy_id = BigEndianBitConverter.ToUInt32(sector, 0x54);
lisa_time = BigEndianBitConverter.ToUInt32(sector, 0x58);
mddf.dtvc = DateHandlers.LisaToDateTime(lisa_time);
lisa_time = BigEndianBitConverter.ToUInt32(sector, 0x5C);
mddf.dtcc = DateHandlers.LisaToDateTime(lisa_time);
lisa_time = BigEndianBitConverter.ToUInt32(sector, 0x60);
mddf.dtvb = DateHandlers.LisaToDateTime(lisa_time);
lisa_time = BigEndianBitConverter.ToUInt32(sector, 0x64);
mddf.dtvs = DateHandlers.LisaToDateTime(lisa_time);
mddf.unknown3 = BigEndianBitConverter.ToUInt32(sector, 0x68);
mddf.mddf_block = BigEndianBitConverter.ToUInt32(sector, 0x6C);
mddf.volsize_minus_one = BigEndianBitConverter.ToUInt32(sector, 0x70);
mddf.volsize_minus_mddf_minus_one = BigEndianBitConverter.ToUInt32(sector, 0x74);
mddf.vol_size = BigEndianBitConverter.ToUInt32(sector, 0x78);
mddf.blocksize = BigEndianBitConverter.ToUInt16(sector, 0x7C);
mddf.datasize = BigEndianBitConverter.ToUInt16(sector, 0x7E);
mddf.unknown4 = BigEndianBitConverter.ToUInt16(sector, 0x80);
mddf.unknown5 = BigEndianBitConverter.ToUInt32(sector, 0x82);
mddf.unknown6 = BigEndianBitConverter.ToUInt32(sector, 0x86);
mddf.clustersize = BigEndianBitConverter.ToUInt16(sector, 0x8A);
mddf.fs_size = BigEndianBitConverter.ToUInt32(sector, 0x8C);
mddf.unknown7 = BigEndianBitConverter.ToUInt32(sector, 0x90);
mddf.unknown8 = BigEndianBitConverter.ToUInt32(sector, 0x94);
mddf.unknown9 = BigEndianBitConverter.ToUInt32(sector, 0x98);
mddf.unknown10 = BigEndianBitConverter.ToUInt32(sector, 0x9C);
mddf.unknown11 = BigEndianBitConverter.ToUInt32(sector, 0xA0);
mddf.unknown12 = BigEndianBitConverter.ToUInt32(sector, 0xA4);
mddf.unknown13 = BigEndianBitConverter.ToUInt32(sector, 0xA8);
mddf.unknown14 = BigEndianBitConverter.ToUInt32(sector, 0xAC);
mddf.filecount = BigEndianBitConverter.ToUInt16(sector, 0xB0);
mddf.unknown15 = BigEndianBitConverter.ToUInt32(sector, 0xB2);
mddf.unknown16 = BigEndianBitConverter.ToUInt32(sector, 0xB6);
mddf.freecount = BigEndianBitConverter.ToUInt32(sector, 0xBA);
mddf.unknown17 = BigEndianBitConverter.ToUInt16(sector, 0xBE);
mddf.unknown18 = BigEndianBitConverter.ToUInt32(sector, 0xC0);
mddf.overmount_stamp = BigEndianBitConverter.ToUInt64(sector, 0xC4);
mddf.serialization = BigEndianBitConverter.ToUInt32(sector, 0xCC);
mddf.unknown19 = BigEndianBitConverter.ToUInt32(sector, 0xD0);
mddf.unknown_timestamp = BigEndianBitConverter.ToUInt32(sector, 0xD4);
mddf.unknown20 = BigEndianBitConverter.ToUInt32(sector, 0xD8);
mddf.unknown21 = BigEndianBitConverter.ToUInt32(sector, 0xDC);
mddf.unknown22 = BigEndianBitConverter.ToUInt32(sector, 0xE0);
mddf.unknown23 = BigEndianBitConverter.ToUInt32(sector, 0xE4);
mddf.unknown24 = BigEndianBitConverter.ToUInt32(sector, 0xE8);
mddf.unknown25 = BigEndianBitConverter.ToUInt32(sector, 0xEC);
mddf.unknown26 = BigEndianBitConverter.ToUInt32(sector, 0xF0);
mddf.unknown27 = BigEndianBitConverter.ToUInt32(sector, 0xF4);
mddf.unknown28 = BigEndianBitConverter.ToUInt32(sector, 0xF8);
mddf.unknown29 = BigEndianBitConverter.ToUInt32(sector, 0xFC);
mddf.unknown30 = BigEndianBitConverter.ToUInt32(sector, 0x100);
mddf.unknown31 = BigEndianBitConverter.ToUInt32(sector, 0x104);
mddf.unknown32 = BigEndianBitConverter.ToUInt32(sector, 0x108);
mddf.unknown33 = BigEndianBitConverter.ToUInt32(sector, 0x10C);
mddf.unknown34 = BigEndianBitConverter.ToUInt32(sector, 0x110);
mddf.unknown35 = BigEndianBitConverter.ToUInt32(sector, 0x114);
mddf.backup_volid = BigEndianBitConverter.ToUInt64(sector, 0x118);
mddf.label_size = BigEndianBitConverter.ToUInt16(sector, 0x120);
mddf.fs_overhead = BigEndianBitConverter.ToUInt16(sector, 0x122);
mddf.result_scavenge = BigEndianBitConverter.ToUInt16(sector, 0x124);
mddf.boot_code = BigEndianBitConverter.ToUInt16(sector, 0x126);
mddf.boot_environ = BigEndianBitConverter.ToUInt16(sector, 0x6C);
mddf.unknown36 = BigEndianBitConverter.ToUInt32(sector, 0x12A);
mddf.unknown37 = BigEndianBitConverter.ToUInt32(sector, 0x12E);
mddf.unknown38 = BigEndianBitConverter.ToUInt32(sector, 0x132);
mddf.vol_sequence = BigEndianBitConverter.ToUInt16(sector, 0x136);
mddf.vol_left_mounted = sector[0x138];
if (MainClass.isDebug)
{
Console.WriteLine("mddf.unknown1 = 0x{0:X2} ({0})", mddf.unknown1);
Console.WriteLine("mddf.unknown2 = 0x{0:X2} ({0})", mddf.unknown2);
Console.WriteLine("mddf.unknown3 = 0x{0:X8} ({0})", mddf.unknown3);
Console.WriteLine("mddf.unknown4 = 0x{0:X4} ({0})", mddf.unknown4);
Console.WriteLine("mddf.unknown5 = 0x{0:X8} ({0})", mddf.unknown5);
Console.WriteLine("mddf.unknown6 = 0x{0:X8} ({0})", mddf.unknown6);
Console.WriteLine("mddf.unknown7 = 0x{0:X8} ({0})", mddf.unknown7);
Console.WriteLine("mddf.unknown8 = 0x{0:X8} ({0})", mddf.unknown8);
Console.WriteLine("mddf.unknown9 = 0x{0:X8} ({0})", mddf.unknown9);
Console.WriteLine("mddf.unknown10 = 0x{0:X8} ({0})", mddf.unknown10);
Console.WriteLine("mddf.unknown11 = 0x{0:X8} ({0})", mddf.unknown11);
Console.WriteLine("mddf.unknown12 = 0x{0:X8} ({0})", mddf.unknown12);
Console.WriteLine("mddf.unknown13 = 0x{0:X8} ({0})", mddf.unknown13);
Console.WriteLine("mddf.unknown14 = 0x{0:X8} ({0})", mddf.unknown14);
Console.WriteLine("mddf.unknown15 = 0x{0:X8} ({0})", mddf.unknown15);
Console.WriteLine("mddf.unknown16 = 0x{0:X8} ({0})", mddf.unknown16);
Console.WriteLine("mddf.unknown17 = 0x{0:X4} ({0})", mddf.unknown17);
Console.WriteLine("mddf.unknown18 = 0x{0:X8} ({0})", mddf.unknown18);
Console.WriteLine("mddf.unknown19 = 0x{0:X8} ({0})", mddf.unknown19);
Console.WriteLine("mddf.unknown20 = 0x{0:X8} ({0})", mddf.unknown20);
Console.WriteLine("mddf.unknown21 = 0x{0:X8} ({0})", mddf.unknown21);
Console.WriteLine("mddf.unknown22 = 0x{0:X8} ({0})", mddf.unknown22);
Console.WriteLine("mddf.unknown23 = 0x{0:X8} ({0})", mddf.unknown23);
Console.WriteLine("mddf.unknown24 = 0x{0:X8} ({0})", mddf.unknown24);
Console.WriteLine("mddf.unknown25 = 0x{0:X8} ({0})", mddf.unknown25);
Console.WriteLine("mddf.unknown26 = 0x{0:X8} ({0})", mddf.unknown26);
Console.WriteLine("mddf.unknown27 = 0x{0:X8} ({0})", mddf.unknown27);
Console.WriteLine("mddf.unknown28 = 0x{0:X8} ({0})", mddf.unknown28);
Console.WriteLine("mddf.unknown29 = 0x{0:X8} ({0})", mddf.unknown29);
Console.WriteLine("mddf.unknown30 = 0x{0:X8} ({0})", mddf.unknown30);
Console.WriteLine("mddf.unknown31 = 0x{0:X8} ({0})", mddf.unknown31);
Console.WriteLine("mddf.unknown32 = 0x{0:X8} ({0})", mddf.unknown32);
Console.WriteLine("mddf.unknown33 = 0x{0:X8} ({0})", mddf.unknown33);
Console.WriteLine("mddf.unknown34 = 0x{0:X8} ({0})", mddf.unknown34);
Console.WriteLine("mddf.unknown35 = 0x{0:X8} ({0})", mddf.unknown35);
Console.WriteLine("mddf.unknown36 = 0x{0:X8} ({0})", mddf.unknown36);
Console.WriteLine("mddf.unknown37 = 0x{0:X8} ({0})", mddf.unknown37);
Console.WriteLine("mddf.unknown38 = 0x{0:X8} ({0})", mddf.unknown38);
Console.WriteLine("mddf.unknown_timestamp = 0x{0:X8} ({0}, {1})", mddf.unknown_timestamp, DateHandlers.LisaToDateTime(mddf.unknown_timestamp));
}
if (mddf.mddf_block != i)
return;
if (mddf.vol_size > imagePlugin.GetSectors())
return;
if (mddf.vol_size - 1 != mddf.volsize_minus_one)
return;
if (mddf.vol_size - i - 1 != mddf.volsize_minus_mddf_minus_one)
return;
if (mddf.datasize > mddf.blocksize)
return;
if (mddf.blocksize < imagePlugin.GetSectorSize())
return;
if (mddf.datasize != imagePlugin.GetSectorSize())
return;
switch (mddf.fsversion)
{
case LisaFSv1:
sb.AppendLine("LisaFS v1");
break;
case LisaFSv2:
sb.AppendLine("LisaFS v2");
break;
case LisaFSv3:
sb.AppendLine("LisaFS v3");
break;
default:
sb.AppendFormat("Uknown LisaFS version {0}", mddf.fsversion).AppendLine();
break;
}
sb.AppendFormat("Volume name: \"{0}\"", mddf.volname).AppendLine();
sb.AppendFormat("Volume password: \"{0}\"", mddf.password).AppendLine();
sb.AppendFormat("Volume ID: 0x{0:X16}", mddf.volid).AppendLine();
sb.AppendFormat("Backup volume ID: 0x{0:X16}", mddf.backup_volid).AppendLine();
sb.AppendFormat("Master copy ID: 0x{0:X8}", mddf.master_copy_id).AppendLine();
sb.AppendFormat("Volume is number {0} of {1}", mddf.volnum, mddf.vol_sequence).AppendLine();
sb.AppendFormat("Serial number of Lisa computer that created this volume: {0}", mddf.machine_id).AppendLine();
sb.AppendFormat("Serial number of Lisa computer that can use this volume's software {0}", mddf.serialization).AppendLine();
sb.AppendFormat("Volume created on {0}", mddf.dtvc).AppendLine();
sb.AppendFormat("Some timestamp, says {0}", mddf.dtcc).AppendLine();
sb.AppendFormat("Volume backed up on {0}", mddf.dtvb).AppendLine();
sb.AppendFormat("Volume scavenged on {0}", mddf.dtvs).AppendLine();
sb.AppendFormat("MDDF is in block {0}", mddf.mddf_block).AppendLine();
sb.AppendFormat("{0} blocks minus one", mddf.volsize_minus_one).AppendLine();
sb.AppendFormat("{0} blocks minus one minus MDDF offset", mddf.volsize_minus_mddf_minus_one).AppendLine();
sb.AppendFormat("{0} blocks in volume", mddf.vol_size).AppendLine();
sb.AppendFormat("{0} bytes per sector (uncooked)", mddf.blocksize).AppendLine();
sb.AppendFormat("{0} bytes per sector", mddf.datasize).AppendLine();
sb.AppendFormat("{0} blocks per cluster", mddf.clustersize).AppendLine();
sb.AppendFormat("{0} blocks in filesystem", mddf.fs_size).AppendLine();
sb.AppendFormat("{0} files in volume", mddf.filecount).AppendLine();
sb.AppendFormat("{0} blocks free", mddf.freecount).AppendLine();
sb.AppendFormat("{0} bytes in LisaInfo", mddf.label_size).AppendLine();
sb.AppendFormat("Filesystem overhead: {0}", mddf.fs_overhead).AppendLine();
sb.AppendFormat("Scanvenger result code: 0x{0:X8}", mddf.result_scavenge).AppendLine();
sb.AppendFormat("Boot code: 0x{0:X8}", mddf.boot_code).AppendLine();
sb.AppendFormat("Boot environment: 0x{0:X8}", mddf.boot_environ).AppendLine();
sb.AppendFormat("Overmount stamp: 0x{0:X16}", mddf.overmount_stamp).AppendLine();
if (mddf.vol_left_mounted == 0)
sb.AppendLine("Volume is clean");
else
sb.AppendLine("Volume is dirty");
information = sb.ToString();
return;
}
}
return;
}
catch (Exception ex)
{
if (MainClass.isDebug)
Console.WriteLine("DEBUG (LisaFS plugin): Exception {0}, {1}, {2}", ex.Message, ex.InnerException, ex.StackTrace);
return;
}
}
struct Lisa_MDDF
{
// 0x00, Filesystem version
public UInt16 fsversion;
// 0x02, Volume ID
public UInt64 volid;
// 0x0A, Volume sequence number
public UInt16 volnum;
// 0x0C, Pascal string, 32+1 bytes, volume name
public string volname;
// 0x2D, unknown, possible padding
public byte unknown1;
// 0x2E, Pascal string, 32+1 bytes, password
public string password;
// 0x4F, unknown, possible padding
public byte unknown2;
// 0x50, Lisa serial number that init'ed this disk
public UInt32 machine_id;
// 0x54, ID of the master copy ? no idea really
public UInt32 master_copy_id;
// 0x58, Date of volume creation
public DateTime dtvc;
// 0x5C, Date...
public DateTime dtcc;
// 0x60, Date of volume backup
public DateTime dtvb;
// 0x64, Date of volume scavenging
public DateTime dtvs;
// 0x68, unknown
public UInt32 unknown3;
// 0x6C, block the MDDF is residing on
public UInt32 mddf_block;
// 0x70, volsize-1
public UInt32 volsize_minus_one;
// 0x74, volsize-1-mddf_block
public UInt32 volsize_minus_mddf_minus_one;
// 0x78, Volume size in blocks
public UInt32 vol_size;
// 0x7C, Blocks size of underlying drive (data+tags)
public UInt16 blocksize;
// 0x7E, Data only block size
public UInt16 datasize;
// 0x80, unknown
public UInt16 unknown4;
// 0x82, unknown
public UInt32 unknown5;
// 0x86, unknown
public UInt32 unknown6;
// 0x8A, Size in sectors of filesystem clusters
public UInt16 clustersize;
// 0x8C, Filesystem size in blocks
public UInt32 fs_size;
// 0x90, unknown
public UInt32 unknown7;
// 0x94, unknown
public UInt32 unknown8;
// 0x98, unknown
public UInt32 unknown9;
// 0x9C, unknown
public UInt32 unknown10;
// 0xA0, unknown
public UInt32 unknown11;
// 0xA4, unknown
public UInt32 unknown12;
// 0xA8, unknown
public UInt32 unknown13;
// 0xAC, unknown
public UInt32 unknown14;
// 0xB0, Files in volume
public UInt16 filecount;
// 0xB2, unknown
public UInt32 unknown15;
// 0xB6, unknown
public UInt32 unknown16;
// 0xBA, Free blocks
public UInt32 freecount;
// 0xBE, unknown
public UInt16 unknown17;
// 0xC0, unknown
public UInt32 unknown18;
// 0xC4, no idea
public UInt64 overmount_stamp;
// 0xCC, serialization, lisa serial number authorized to use blocked software on this volume
public UInt32 serialization;
// 0xD0, unknown
public UInt32 unknown19;
// 0xD4, unknown, possible timestamp
public UInt32 unknown_timestamp;
// 0xD8, unknown
public UInt32 unknown20;
// 0xDC, unknown
public UInt32 unknown21;
// 0xE0, unknown
public UInt32 unknown22;
// 0xE4, unknown
public UInt32 unknown23;
// 0xE8, unknown
public UInt32 unknown24;
// 0xEC, unknown
public UInt32 unknown25;
// 0xF0, unknown
public UInt32 unknown26;
// 0xF4, unknown
public UInt32 unknown27;
// 0xF8, unknown
public UInt32 unknown28;
// 0xFC, unknown
public UInt32 unknown29;
// 0x100, unknown
public UInt32 unknown30;
// 0x104, unknown
public UInt32 unknown31;
// 0x108, unknown
public UInt32 unknown32;
// 0x10C, unknown
public UInt32 unknown33;
// 0x110, unknown
public UInt32 unknown34;
// 0x114, unknown
public UInt32 unknown35;
// 0x118, ID of volume where this volume was backed up
public UInt64 backup_volid;
// 0x120, Size of LisaInfo label
public UInt16 label_size;
// 0x122, not clear
public UInt16 fs_overhead;
// 0x124, Return code of Scavenger
public UInt16 result_scavenge;
// 0x126, No idea
public UInt16 boot_code;
// 0x128, No idea
public UInt16 boot_environ;
// 0x12A, unknown
public UInt32 unknown36;
// 0x12E, unknown
public UInt32 unknown37;
// 0x132, unknown
public UInt32 unknown38;
// 0x136, Total volumes in sequence
public UInt16 vol_sequence;
// 0x138, Volume is dirty?
public byte vol_left_mounted;
// Is password present? (On-disk position unknown)
public byte passwd_present;
// Opened files (memory-only?) (On-disk position unknown)
public UInt32 opencount;
// No idea (On-disk position unknown)
public UInt32 copy_thread;
// Flags are boolean, but Pascal seems to use them as full unsigned 8 bit values
// No idea (On-disk position unknown)
public byte privileged;
// Read-only volume (On-disk position unknown)
public byte write_protected;
// Master disk (On-disk position unknown)
public byte master;
// Copy disk (On-disk position unknown)
public byte copy;
// No idea (On-disk position unknown)
public byte copy_flag;
// No idea (On-disk position unknown)
public byte scavenge_flag;
}
struct Lisa_Tag
{
// 0x00 Unknown
public UInt32 unknown1;
// 0x04 File ID
public UInt16 fileID;
// 0x06 Unknown
public UInt16 unknown2;
// 0x08 Unknown
public UInt32 unknown3;
}
}
}