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);
}
}
/// <summary>
/// Mounts an Apple Lisa filesystem
/// </summary>
public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding,
Dictionary <string, string> options, string @namespace)
{
try
{
device = imagePlugin;
Encoding = new LisaRoman();
// Lisa OS is unable to work on disks without tags.
// This code is designed like that.
// However with some effort the code may be modified to ignore them.
if (device.Info.ReadableSectorTags == null ||
!device.Info.ReadableSectorTags.Contains(SectorTagType.AppleSectorTag))
{
DicConsole.DebugWriteLine("LisaFS plugin", "Underlying device does not support Lisa tags");
return(Errno.InOutError);
}
// Minimal LisaOS disk is 3.5" single sided double density, 800 sectors
if (device.Info.Sectors < 800)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Device is too small");
return(Errno.InOutError);
}
// MDDF cannot be at end of device, of course
volumePrefix = device.Info.Sectors;
// LisaOS searches sectors until tag tells MDDF resides there, so we'll search 100 sectors
for (ulong i = 0; i < 100; i++)
{
DecodeTag(device.ReadSectorTag(i, SectorTagType.AppleSectorTag), out LisaTag.PriamTag searchTag);
DicConsole.DebugWriteLine("LisaFS plugin", "Sector {0}, file ID 0x{1:X4}", i, searchTag.FileId);
if (volumePrefix == device.Info.Sectors && searchTag.FileId == FILEID_LOADER_SIGNED)
{
volumePrefix = i - 1;
}
if (searchTag.FileId != FILEID_MDDF)
{
continue;
}
devTagSize = device.ReadSectorTag(i, SectorTagType.AppleSectorTag).Length;
byte[] sector = device.ReadSector(i);
mddf = new MDDF();
byte[] pString = new byte[33];
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, Encoding);
mddf.unknown1 = sector[0x2D];
Array.Copy(sector, 0x2E, pString, 0, 33);
// Prevent garbage
mddf.password = pString[0] <= 32 ? StringHandlers.PascalToString(pString, Encoding) : "";
mddf.unknown2 = sector[0x4F];
mddf.machine_id = BigEndianBitConverter.ToUInt32(sector, 0x50);
mddf.master_copy_id = BigEndianBitConverter.ToUInt32(sector, 0x54);
uint lisaTime = BigEndianBitConverter.ToUInt32(sector, 0x58);
mddf.dtvc = DateHandlers.LisaToDateTime(lisaTime);
lisaTime = BigEndianBitConverter.ToUInt32(sector, 0x5C);
mddf.dtcc = DateHandlers.LisaToDateTime(lisaTime);
lisaTime = BigEndianBitConverter.ToUInt32(sector, 0x60);
mddf.dtvb = DateHandlers.LisaToDateTime(lisaTime);
lisaTime = BigEndianBitConverter.ToUInt32(sector, 0x64);
mddf.dtvs = DateHandlers.LisaToDateTime(lisaTime);
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.srec_ptr = BigEndianBitConverter.ToUInt32(sector, 0x94);
mddf.unknown9 = BigEndianBitConverter.ToUInt16(sector, 0x98);
mddf.srec_len = BigEndianBitConverter.ToUInt16(sector, 0x9A);
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];
// Check that the MDDF is correct
if (mddf.mddf_block != i - volumePrefix ||
mddf.vol_size > device.Info.Sectors ||
mddf.vol_size - 1 !=
mddf.volsize_minus_one ||
mddf.vol_size - i - 1 !=
mddf.volsize_minus_mddf_minus_one - volumePrefix ||
mddf.datasize >
mddf.blocksize || mddf.blocksize < device.Info.SectorSize ||
mddf.datasize != device.Info.SectorSize)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Incorrect MDDF found");
return(Errno.InvalidArgument);
}
// Check MDDF version
switch (mddf.fsversion)
{
case LISA_V1:
DicConsole.DebugWriteLine("LisaFS plugin", "Mounting LisaFS v1");
break;
case LISA_V2:
DicConsole.DebugWriteLine("LisaFS plugin", "Mounting LisaFS v2");
break;
case LISA_V3:
DicConsole.DebugWriteLine("LisaFS plugin", "Mounting LisaFS v3");
break;
default:
DicConsole.ErrorWriteLine("Cannot mount LisaFS version {0}", mddf.fsversion.ToString());
return(Errno.NotSupported);
}
// Initialize caches
extentCache = new Dictionary <short, ExtentFile>();
systemFileCache = new Dictionary <short, byte[]>();
fileCache = new Dictionary <short, byte[]>();
//catalogCache = new Dictionary<short, List<CatalogEntry>>();
fileSizeCache = new Dictionary <short, int>();
mounted = true;
if (options == null)
{
options = GetDefaultOptions();
}
if (options.TryGetValue("debug", out string debugString))
{
bool.TryParse(debugString, out debug);
}
if (debug)
{
printedExtents = new List <short>();
}
// Read the S-Records file
Errno error = ReadSRecords();
if (error != Errno.NoError)
{
DicConsole.ErrorWriteLine("Error {0} reading S-Records file.", error);
return(error);
}
directoryDtcCache = new Dictionary <short, DateTime> {
{ DIRID_ROOT, mddf.dtcc }
};
// Read the Catalog File
error = ReadCatalog();
if (error != Errno.NoError)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Cannot read Catalog File, error {0}",
error.ToString());
mounted = false;
return(error);
}
// If debug, cache system files
if (debug)
{
error = ReadSystemFile(FILEID_BOOT_SIGNED, out _);
if (error != Errno.NoError)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Unable to read boot blocks");
mounted = false;
return(error);
}
error = ReadSystemFile(FILEID_LOADER_SIGNED, out _);
if (error != Errno.NoError)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Unable to read boot loader");
mounted = false;
return(error);
}
error = ReadSystemFile((short)FILEID_MDDF, out _);
if (error != Errno.NoError)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Unable to read MDDF");
mounted = false;
return(error);
}
error = ReadSystemFile((short)FILEID_BITMAP, out _);
if (error != Errno.NoError)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Unable to read volume bitmap");
mounted = false;
return(error);
}
error = ReadSystemFile((short)FILEID_SRECORD, out _);
if (error != Errno.NoError)
{
DicConsole.DebugWriteLine("LisaFS plugin", "Unable to read S-Records file");
mounted = false;
return(error);
}
}
// Create XML metadata for mounted filesystem
XmlFsType = new FileSystemType();
if (DateTime.Compare(mddf.dtvb, DateHandlers.LisaToDateTime(0)) > 0)
{
XmlFsType.BackupDate = mddf.dtvb;
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Clusters = mddf.vol_size;
XmlFsType.ClusterSize = (uint)(mddf.clustersize * mddf.datasize);
if (DateTime.Compare(mddf.dtvc, DateHandlers.LisaToDateTime(0)) > 0)
{
XmlFsType.CreationDate = mddf.dtvc;
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Dirty = mddf.vol_left_mounted != 0;
XmlFsType.Files = mddf.filecount;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = mddf.freecount;
XmlFsType.FreeClustersSpecified = true;
XmlFsType.Type = "LisaFS";
XmlFsType.VolumeName = mddf.volname;
XmlFsType.VolumeSerial = $"{mddf.volid:X16}";
return(Errno.NoError);
}
DicConsole.DebugWriteLine("LisaFS plugin", "Not a Lisa filesystem");
return(Errno.NotSupported);
}
catch (Exception ex)
{
DicConsole.ErrorWriteLine("Exception {0}, {1}, {2}", ex.Message, ex.InnerException, ex.StackTrace);
return(Errno.InOutError);
}
}
