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Add option to pass an arbitrary list of options to IReadOnlyFilesystem.Mount()

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This commit is contained in:
Natalia Portillo
2017-12-27 23:55:59 +00:00
parent e009d86fcc
commit a1f82e0e72
11 changed files with 454 additions and 417 deletions
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122
DiscImageChef.Filesystems/AppleMFS/Super.cs
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@@ -31,6 +31,7 @@
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.Text;
using DiscImageChef.CommonTypes;
using DiscImageChef.DiscImages;
@@ -41,15 +42,17 @@ namespace DiscImageChef.Filesystems.AppleMFS
// Information from Inside Macintosh Volume II
public partial class AppleMFS
{
public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding, bool debug)
public Errno Mount(IMediaImage imagePlugin, Partition partition, Encoding encoding,
Dictionary<string, string> options)
{
device = imagePlugin;
partitionStart = partition.Start;
Encoding = encoding ?? Encoding.GetEncoding("macintosh");
this.debug = debug;
device = imagePlugin;
partitionStart = partition.Start;
Encoding = encoding ?? Encoding.GetEncoding("macintosh");
if(options == null) options = GetDefaultOptions();
if(options.TryGetValue("debug", out string debugString)) bool.TryParse(debugString, out debug);
volMDB = new MFS_MasterDirectoryBlock();
mdbBlocks = device.ReadSector(2 + partitionStart);
mdbBlocks = device.ReadSector(2 + partitionStart);
bootBlocks = device.ReadSector(0 + partitionStart);
BigEndianBitConverter.IsLittleEndian = BitConverter.IsLittleEndian;
@@ -57,63 +60,64 @@ namespace DiscImageChef.Filesystems.AppleMFS
volMDB.drSigWord = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x000);
if(volMDB.drSigWord != MFS_MAGIC) return Errno.InvalidArgument;
volMDB.drCrDate = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x002);
volMDB.drLsBkUp = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x006);
volMDB.drAtrb = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x00A);
volMDB.drNmFls = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x00C);
volMDB.drDirSt = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x00E);
volMDB.drBlLen = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x010);
volMDB.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x012);
volMDB.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x014);
volMDB.drClpSiz = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x018);
volMDB.drAlBlSt = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x01C);
volMDB.drNxtFNum = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x01E);
volMDB.drFreeBks = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x022);
volMDB.drVNSiz = mdbBlocks[0x024];
byte[] variableSize = new byte[volMDB.drVNSiz + 1];
volMDB.drCrDate = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x002);
volMDB.drLsBkUp = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x006);
volMDB.drAtrb = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x00A);
volMDB.drNmFls = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x00C);
volMDB.drDirSt = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x00E);
volMDB.drBlLen = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x010);
volMDB.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x012);
volMDB.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x014);
volMDB.drClpSiz = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x018);
volMDB.drAlBlSt = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x01C);
volMDB.drNxtFNum = BigEndianBitConverter.ToUInt32(mdbBlocks, 0x01E);
volMDB.drFreeBks = BigEndianBitConverter.ToUInt16(mdbBlocks, 0x022);
volMDB.drVNSiz = mdbBlocks[0x024];
byte[] variableSize = new byte[volMDB.drVNSiz + 1];
Array.Copy(mdbBlocks, 0x024, variableSize, 0, volMDB.drVNSiz + 1);
volMDB.drVN = StringHandlers.PascalToString(variableSize, Encoding);
directoryBlocks = device.ReadSectors(volMDB.drDirSt + partitionStart, volMDB.drBlLen);
int bytesInBlockMap = volMDB.drNmAlBlks * 12 / 8 + volMDB.drNmAlBlks * 12 % 8;
directoryBlocks = device.ReadSectors(volMDB.drDirSt + partitionStart, volMDB.drBlLen);
int bytesInBlockMap = volMDB.drNmAlBlks * 12 / 8 + volMDB.drNmAlBlks * 12 % 8;
const int BYTES_BEFORE_BLOCK_MAP = 64;
int bytesInWholeMdb = bytesInBlockMap + BYTES_BEFORE_BLOCK_MAP;
int sectorsInWholeMdb = bytesInWholeMdb / (int)device.Info.SectorSize +
bytesInWholeMdb % (int)device.Info.SectorSize;
int bytesInWholeMdb = bytesInBlockMap + BYTES_BEFORE_BLOCK_MAP;
int sectorsInWholeMdb = bytesInWholeMdb / (int)device.Info.SectorSize +
bytesInWholeMdb % (int)device.Info.SectorSize;
byte[] wholeMdb = device.ReadSectors(partitionStart + 2, (uint)sectorsInWholeMdb);
blockMapBytes = new byte[bytesInBlockMap];
blockMapBytes = new byte[bytesInBlockMap];
Array.Copy(wholeMdb, BYTES_BEFORE_BLOCK_MAP, blockMapBytes, 0, blockMapBytes.Length);
int offset = 0;
blockMap = new uint[volMDB.drNmAlBlks + 2 + 1];
for(int i = 2; i < volMDB.drNmAlBlks + 2; i += 8)
blockMap = new uint[volMDB.drNmAlBlks + 2 + 1];
for(int i = 2; i < volMDB.drNmAlBlks + 2; i += 8)
{
uint tmp1 = 0;
uint tmp2 = 0;
uint tmp3 = 0;
if(offset + 4 <= blockMapBytes.Length) tmp1 = BigEndianBitConverter.ToUInt32(blockMapBytes, offset);
if(offset + 4 + 4 <= blockMapBytes.Length)
if(offset + 4 <= blockMapBytes.Length)
tmp1 = BigEndianBitConverter.ToUInt32(blockMapBytes, offset);
if(offset + 4 + 4 <= blockMapBytes.Length)
tmp2 = BigEndianBitConverter.ToUInt32(blockMapBytes, offset + 4);
if(offset + 8 + 4 <= blockMapBytes.Length)
if(offset + 8 + 4 <= blockMapBytes.Length)
tmp3 = BigEndianBitConverter.ToUInt32(blockMapBytes, offset + 8);
if(i < blockMap.Length) blockMap[i] = (tmp1 & 0xFFF00000) >> 20;
if(i + 2 < blockMap.Length) blockMap[i + 1] = (tmp1 & 0xFFF00) >> 8;
if(i + 3 < blockMap.Length) blockMap[i + 2] = ((tmp1 & 0xFF) << 4) + ((tmp2 & 0xF0000000) >> 28);
if(i + 4 < blockMap.Length) blockMap[i + 3] = (tmp2 & 0xFFF0000) >> 16;
if(i + 5 < blockMap.Length) blockMap[i + 4] = (tmp2 & 0xFFF0) >> 4;
if(i + 6 < blockMap.Length) blockMap[i + 5] = ((tmp2 & 0xF) << 8) + ((tmp3 & 0xFF000000) >> 24);
if(i + 7 < blockMap.Length) blockMap[i + 6] = (tmp3 & 0xFFF000) >> 12;
if(i + 8 < blockMap.Length) blockMap[i + 7] = tmp3 & 0xFFF;
if(i < blockMap.Length) blockMap[i] = (tmp1 & 0xFFF00000) >> 20;
if(i + 2 < blockMap.Length) blockMap[i + 1] = (tmp1 & 0xFFF00) >> 8;
if(i + 3 < blockMap.Length) blockMap[i + 2] = ((tmp1 & 0xFF) << 4) + ((tmp2 & 0xF0000000) >> 28);
if(i + 4 < blockMap.Length) blockMap[i + 3] = (tmp2 & 0xFFF0000) >> 16;
if(i + 5 < blockMap.Length) blockMap[i + 4] = (tmp2 & 0xFFF0) >> 4;
if(i + 6 < blockMap.Length) blockMap[i + 5] = ((tmp2 & 0xF) << 8) + ((tmp3 & 0xFF000000) >> 24);
if(i + 7 < blockMap.Length) blockMap[i + 6] = (tmp3 & 0xFFF000) >> 12;
if(i + 8 < blockMap.Length) blockMap[i + 7] = tmp3 & 0xFFF;
offset += 12;
}
if(device.Info.ReadableSectorTags.Contains(SectorTagType.AppleSectorTag))
{
mdbTags = device.ReadSectorTag(2 + partitionStart, SectorTagType.AppleSectorTag);
bootTags = device.ReadSectorTag(0 + partitionStart, SectorTagType.AppleSectorTag);
mdbTags = device.ReadSectorTag(2 + partitionStart, SectorTagType.AppleSectorTag);
bootTags = device.ReadSectorTag(0 + partitionStart, SectorTagType.AppleSectorTag);
directoryTags = device.ReadSectorsTag(volMDB.drDirSt + partitionStart, volMDB.drBlLen,
SectorTagType.AppleSectorTag);
bitmapTags = device.ReadSectorsTag(partitionStart + 2, (uint)sectorsInWholeMdb,
@@ -133,34 +137,36 @@ namespace DiscImageChef.Filesystems.AppleMFS
XmlFsType = new FileSystemType();
if(volMDB.drLsBkUp > 0)
{
XmlFsType.BackupDate = DateHandlers.MacToDateTime(volMDB.drLsBkUp);
XmlFsType.BackupDate = DateHandlers.MacToDateTime(volMDB.drLsBkUp);
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Bootable = bbSig == MFSBB_MAGIC;
XmlFsType.Clusters = volMDB.drNmAlBlks;
XmlFsType.Bootable = bbSig == MFSBB_MAGIC;
XmlFsType.Clusters = volMDB.drNmAlBlks;
XmlFsType.ClusterSize = (int)volMDB.drAlBlkSiz;
if(volMDB.drCrDate > 0)
{
XmlFsType.CreationDate = DateHandlers.MacToDateTime(volMDB.drCrDate);
XmlFsType.CreationDate = DateHandlers.MacToDateTime(volMDB.drCrDate);
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Files = volMDB.drNmFls;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = volMDB.drFreeBks;
XmlFsType.Files = volMDB.drNmFls;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = volMDB.drFreeBks;
XmlFsType.FreeClustersSpecified = true;
XmlFsType.Type = "MFS";
XmlFsType.VolumeName = volMDB.drVN;
XmlFsType.Type = "MFS";
XmlFsType.VolumeName = volMDB.drVN;
return Errno.NoError;
}
public Errno Unmount()
{
mounted = false;
mounted = false;
idToFilename = null;
idToEntry = null;
idToEntry = null;
filenameToId = null;
bootBlocks = null;
bootBlocks = null;
return Errno.NoError;
}
@@ -169,12 +175,12 @@ namespace DiscImageChef.Filesystems.AppleMFS
{
stat = new FileSystemInfo
{
Blocks = volMDB.drNmAlBlks,
Blocks = volMDB.drNmAlBlks,
FilenameLength = 255,
Files = volMDB.drNmFls,
FreeBlocks = volMDB.drFreeBks,
PluginId = Id,
Type = "Apple MFS"
Files = volMDB.drNmFls,
FreeBlocks = volMDB.drFreeBks,
PluginId = Id,
Type = "Apple MFS"
};
stat.FreeFiles = uint.MaxValue - stat.Files;