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Add root directory, volume descriptors, path tables and IP.BIN to ISO9660 debug root directory.

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This commit is contained in:
Natalia Portillo
2019-07-31 05:06:15 +01:00
parent 84d4541cba
commit bccbe8a73a
1 changed files with 147 additions and 14 deletions
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161
DiscImageChef.Filesystems/ISO9660/Super.cs
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@@ -72,6 +72,11 @@ namespace DiscImageChef.Filesystems.ISO9660
int hsOff = 0;
if(highSierra) hsOff = 8;
cdi = false;
List<ulong> bvdSectors = new List<ulong>();
List<ulong> pvdSectors = new List<ulong>();
List<ulong> svdSectors = new List<ulong>();
List<ulong> evdSectors = new List<ulong>();
List<ulong> vpdSectors = new List<ulong>();
while(true)
{
@@ -110,9 +115,7 @@ namespace DiscImageChef.Filesystems.ISO9660
{
case 0:
{
bvd = Marshal.ByteArrayToStructureLittleEndian<BootRecord>(vdSector, hsOff, 2048 - hsOff);
// TODO: Add boot file to debug root directory
if(debug) bvdSectors.Add(16 + counter + partition.Start);
break;
}
@@ -126,6 +129,8 @@ namespace DiscImageChef.Filesystems.ISO9660
fsvd = Marshal.ByteArrayToStructureBigEndian<FileStructureVolumeDescriptor>(vdSector);
else pvd = Marshal.ByteArrayToStructureLittleEndian<PrimaryVolumeDescriptor>(vdSector);
if(debug) pvdSectors.Add(16 + counter + partition.Start);
break;
}
@@ -144,13 +149,19 @@ namespace DiscImageChef.Filesystems.ISO9660
else
DicConsole.WriteLine("ISO9660 plugin",
"Found unknown supplementary volume descriptor");
if(debug) svdSectors.Add(16 + counter + partition.Start);
}
else if(useEvd)
else
{
// Basically until escape sequences are implemented, let the user chose the encoding.
// This is the same as user chosing Romeo namespace, but using the EVD instead of the PVD
this.@namespace = Namespace.Romeo;
pvd = svd;
if(debug) evdSectors.Add(16 + counter + partition.Start);
if(useEvd)
{
// Basically until escape sequences are implemented, let the user chose the encoding.
// This is the same as user chosing Romeo namespace, but using the EVD instead of the PVD
this.@namespace = Namespace.Romeo;
pvd = svd;
}
}
break;
@@ -158,7 +169,8 @@ namespace DiscImageChef.Filesystems.ISO9660
case 3:
{
// Unused
if(debug) vpdSectors.Add(16 + counter + partition.Start);
break;
}
}
@@ -188,6 +200,10 @@ namespace DiscImageChef.Filesystems.ISO9660
string fsFormat;
byte[] pathTableData;
uint pathTableSizeInSectors = 0;
uint pathTableMsbLocation;
uint pathTableLsbLocation;
if(highSierra)
{
pathTableSizeInSectors = hsvd.Value.path_table_size / 2048;
@@ -197,6 +213,9 @@ namespace DiscImageChef.Filesystems.ISO9660
imagePlugin.ReadSectors(Swapping.Swap(hsvd.Value.mandatory_path_table_msb), pathTableSizeInSectors);
fsFormat = "High Sierra Format";
pathTableMsbLocation = hsvd.Value.mandatory_path_table_msb;
pathTableLsbLocation = hsvd.Value.mandatory_path_table_lsb;
}
else if(cdi)
{
@@ -206,6 +225,9 @@ namespace DiscImageChef.Filesystems.ISO9660
pathTableData = imagePlugin.ReadSectors(fsvd.Value.path_table_addr, pathTableSizeInSectors);
fsFormat = "CD-i";
pathTableMsbLocation = fsvd.Value.path_table_addr;
// TODO: Implement CD-i
return Errno.NotImplemented;
}
@@ -218,6 +240,9 @@ namespace DiscImageChef.Filesystems.ISO9660
imagePlugin.ReadSectors(Swapping.Swap(pvd.Value.type_m_path_table), pathTableSizeInSectors);
fsFormat = "ISO9660";
pathTableMsbLocation = pvd.Value.type_m_path_table;
pathTableLsbLocation = pvd.Value.type_l_path_table;
}
pathTable = highSierra ? DecodeHighSierraPathTable(pathTableData) : DecodePathTable(pathTableData);
@@ -259,21 +284,18 @@ namespace DiscImageChef.Filesystems.ISO9660
if(rootEntry.size % fsvd.Value.logical_block_size > 0) rootSize++;
usePathTable = true;
useTransTbl = false;
useTransTbl = false;
}
if(rootLocation + rootSize >= imagePlugin.Info.Sectors) return Errno.InvalidArgument;
byte[] rootDir = imagePlugin.ReadSectors(rootLocation, rootSize);
byte[] ipbinSector = imagePlugin.ReadSector(0 + partition.Start);
byte[] ipbinSector = imagePlugin.ReadSector(partition.Start);
CD.IPBin? segaCd = CD.DecodeIPBin(ipbinSector);
Saturn.IPBin? saturn = Saturn.DecodeIPBin(ipbinSector);
Dreamcast.IPBin? dreamcast = Dreamcast.DecodeIPBin(ipbinSector);
// TODO: Add IP.BIN to debug root directory
// TODO: Add volume descriptors to debug root directory
if(this.@namespace == Namespace.Joliet || this.@namespace == Namespace.Rrip)
{
usePathTable = false;
@@ -292,6 +314,117 @@ namespace DiscImageChef.Filesystems.ISO9660
XmlFsType.Type = fsFormat;
if(debug)
{
rootDirectoryCache.Add("$",
new DecodedDirectoryEntry
{
Extent = rootLocation,
Filename = "$",
Size = 2048,
Timestamp = decodedVd.CreationTime
});
if(!cdi)
rootDirectoryCache.Add("$PATH_TABLE.LSB",
new DecodedDirectoryEntry
{
Extent = pathTableLsbLocation,
Filename = "$PATH_TABLE.LSB",
Size = (uint)pathTableData.Length,
Timestamp = decodedVd.CreationTime
});
rootDirectoryCache.Add("$PATH_TABLE.MSB",
new DecodedDirectoryEntry
{
Extent = pathTableMsbLocation,
Filename = "$PATH_TABLE.MSB",
Size = (uint)pathTableData.Length,
Timestamp = decodedVd.CreationTime
});
for(int i = 0; i < bvdSectors.Count; i++)
rootDirectoryCache.Add(i == 0 ? "$BOOT" : $"$BOOT_{i}",
new DecodedDirectoryEntry
{
Extent = (uint)i,
Filename = i == 0 ? "$BOOT" : $"$BOOT_{i}",
Size = 2048,
Timestamp = decodedVd.CreationTime
});
for(int i = 0; i < pvdSectors.Count; i++)
rootDirectoryCache.Add(i == 0 ? "$PVD" : $"$PVD{i}",
new DecodedDirectoryEntry
{
Extent = (uint)i,
Filename = i == 0 ? "$PVD" : $"PVD_{i}",
Size = 2048,
Timestamp = decodedVd.CreationTime
});
for(int i = 0; i < svdSectors.Count; i++)
rootDirectoryCache.Add(i == 0 ? "$SVD" : $"$SVD_{i}",
new DecodedDirectoryEntry
{
Extent = (uint)i,
Filename = i == 0 ? "$SVD" : $"$SVD_{i}",
Size = 2048,
Timestamp = decodedVd.CreationTime
});
for(int i = 0; i < evdSectors.Count; i++)
rootDirectoryCache.Add(i == 0 ? "$EVD" : $"$EVD_{i}",
new DecodedDirectoryEntry
{
Extent = (uint)i,
Filename = i == 0 ? "$EVD" : $"$EVD_{i}",
Size = 2048,
Timestamp = decodedVd.CreationTime
});
for(int i = 0; i < vpdSectors.Count; i++)
rootDirectoryCache.Add(i == 0 ? "$VPD" : $"$VPD_{i}",
new DecodedDirectoryEntry
{
Extent = (uint)i,
Filename = i == 0 ? "$VPD" : $"$VPD_{i}",
Size = 2048,
Timestamp = decodedVd.CreationTime
});
if(segaCd != null)
rootDirectoryCache.Add("$IP.BIN",
new DecodedDirectoryEntry
{
Extent = 0,
Filename = "$IP.BIN",
Size = (uint)Marshal.SizeOf<CD.IPBin>(),
Timestamp = decodedVd.CreationTime
});
if(saturn != null)
rootDirectoryCache.Add("$IP.BIN",
new DecodedDirectoryEntry
{
Extent = 0,
Filename = "$IP.BIN",
Size = (uint)Marshal.SizeOf<Saturn.IPBin>(),
Timestamp = decodedVd.CreationTime
});
if(dreamcast != null)
rootDirectoryCache.Add("$IP.BIN",
new DecodedDirectoryEntry
{
Extent = 0,
Filename = "$IP.BIN",
Size = (uint)Marshal.SizeOf<Dreamcast.IPBin>(),
Timestamp = decodedVd.CreationTime
});
}
if(jolietvd != null && (this.@namespace == Namespace.Joliet || this.@namespace == Namespace.Rrip))
{
rootLocation = jolietvd.Value.root_directory_record.extent;