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REFACTOR: All refactor in DiscImageChef.Filesystems.

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This commit is contained in:
Natalia Portillo
2017-12-22 08:43:22 +00:00
parent ef2fff0abd
commit c59e424ec8
87 changed files with 3834 additions and 4122 deletions
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128
DiscImageChef.Filesystems/MinixFS.cs
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@@ -68,24 +68,22 @@ namespace DiscImageChef.Filesystems
public MinixFS()
{
Name = "Minix Filesystem";
PluginUUID = new Guid("FE248C3B-B727-4AE5-A39F-79EA9A07D4B3");
PluginUuid = new Guid("FE248C3B-B727-4AE5-A39F-79EA9A07D4B3");
CurrentEncoding = Encoding.GetEncoding("iso-8859-15");
}
public MinixFS(Encoding encoding)
{
Name = "Minix Filesystem";
PluginUUID = new Guid("FE248C3B-B727-4AE5-A39F-79EA9A07D4B3");
if(encoding == null) CurrentEncoding = Encoding.GetEncoding("iso-8859-15");
else CurrentEncoding = encoding;
PluginUuid = new Guid("FE248C3B-B727-4AE5-A39F-79EA9A07D4B3");
CurrentEncoding = encoding ?? Encoding.GetEncoding("iso-8859-15");
}
public MinixFS(ImagePlugin imagePlugin, Partition partition, Encoding encoding)
{
Name = "Minix Filesystem";
PluginUUID = new Guid("FE248C3B-B727-4AE5-A39F-79EA9A07D4B3");
if(encoding == null) CurrentEncoding = Encoding.GetEncoding("iso-8859-15");
else CurrentEncoding = encoding;
PluginUuid = new Guid("FE248C3B-B727-4AE5-A39F-79EA9A07D4B3");
CurrentEncoding = encoding ?? Encoding.GetEncoding("iso-8859-15");
}
public override bool Identify(ImagePlugin imagePlugin, Partition partition)
@@ -102,23 +100,23 @@ namespace DiscImageChef.Filesystems
if(sector + partition.Start >= partition.End) return false;
ushort magic;
byte[] minix_sb_sector = imagePlugin.ReadSector(sector + partition.Start);
byte[] minixSbSector = imagePlugin.ReadSector(sector + partition.Start);
// Optical media
if(offset > 0)
{
byte[] tmp = new byte[0x200];
Array.Copy(minix_sb_sector, offset, tmp, 0, 0x200);
minix_sb_sector = tmp;
Array.Copy(minixSbSector, offset, tmp, 0, 0x200);
minixSbSector = tmp;
}
magic = BitConverter.ToUInt16(minix_sb_sector, 0x010); // Here should reside magic number on Minix v1 & V2
magic = BitConverter.ToUInt16(minixSbSector, 0x010); // Here should reside magic number on Minix v1 & V2
if(magic == MINIX_MAGIC || magic == MINIX_MAGIC2 || magic == MINIX2_MAGIC || magic == MINIX2_MAGIC2 ||
magic == MINIX_CIGAM || magic == MINIX_CIGAM2 || magic == MINIX2_CIGAM ||
magic == MINIX2_CIGAM2) return true;
magic = BitConverter.ToUInt16(minix_sb_sector, 0x018); // Here should reside magic number on Minix v3
magic = BitConverter.ToUInt16(minixSbSector, 0x018); // Here should reside magic number on Minix v3
if(magic == MINIX_MAGIC || magic == MINIX2_MAGIC || magic == MINIX3_MAGIC || magic == MINIX_CIGAM ||
magic == MINIX2_CIGAM || magic == MINIX3_CIGAM) return true;
@@ -146,19 +144,19 @@ namespace DiscImageChef.Filesystems
int filenamesize;
string minixVersion;
ushort magic;
byte[] minix_sb_sector = imagePlugin.ReadSector(sector + partition.Start);
byte[] minixSbSector = imagePlugin.ReadSector(sector + partition.Start);
// Optical media
if(offset > 0)
{
byte[] tmp = new byte[0x200];
Array.Copy(minix_sb_sector, offset, tmp, 0, 0x200);
minix_sb_sector = tmp;
Array.Copy(minixSbSector, offset, tmp, 0, 0x200);
minixSbSector = tmp;
}
magic = BitConverter.ToUInt16(minix_sb_sector, 0x018);
magic = BitConverter.ToUInt16(minixSbSector, 0x018);
xmlFSType = new FileSystemType();
XmlFsType = new FileSystemType();
bool littleEndian;
@@ -172,16 +170,16 @@ namespace DiscImageChef.Filesystems
case MINIX3_MAGIC:
case MINIX3_CIGAM:
minixVersion = "Minix v3 filesystem";
xmlFSType.Type = "Minix v3";
XmlFsType.Type = "Minix v3";
break;
case MINIX2_MAGIC:
case MINIX2_CIGAM:
minixVersion = "Minix 3 v2 filesystem";
xmlFSType.Type = "Minix 3 v2";
XmlFsType.Type = "Minix 3 v2";
break;
default:
minixVersion = "Minix 3 v1 filesystem";
xmlFSType.Type = "Minix 3 v1";
XmlFsType.Type = "Minix 3 v1";
break;
}
@@ -189,7 +187,7 @@ namespace DiscImageChef.Filesystems
}
else
{
magic = BitConverter.ToUInt16(minix_sb_sector, 0x010);
magic = BitConverter.ToUInt16(minixSbSector, 0x010);
switch(magic)
{
@@ -197,49 +195,49 @@ namespace DiscImageChef.Filesystems
filenamesize = 14;
minixVersion = "Minix v1 filesystem";
littleEndian = true;
xmlFSType.Type = "Minix v1";
XmlFsType.Type = "Minix v1";
break;
case MINIX_MAGIC2:
filenamesize = 30;
minixVersion = "Minix v1 filesystem";
littleEndian = true;
xmlFSType.Type = "Minix v1";
XmlFsType.Type = "Minix v1";
break;
case MINIX2_MAGIC:
filenamesize = 14;
minixVersion = "Minix v2 filesystem";
littleEndian = true;
xmlFSType.Type = "Minix v2";
XmlFsType.Type = "Minix v2";
break;
case MINIX2_MAGIC2:
filenamesize = 30;
minixVersion = "Minix v2 filesystem";
littleEndian = true;
xmlFSType.Type = "Minix v2";
XmlFsType.Type = "Minix v2";
break;
case MINIX_CIGAM:
filenamesize = 14;
minixVersion = "Minix v1 filesystem";
littleEndian = false;
xmlFSType.Type = "Minix v1";
XmlFsType.Type = "Minix v1";
break;
case MINIX_CIGAM2:
filenamesize = 30;
minixVersion = "Minix v1 filesystem";
littleEndian = false;
xmlFSType.Type = "Minix v1";
XmlFsType.Type = "Minix v1";
break;
case MINIX2_CIGAM:
filenamesize = 14;
minixVersion = "Minix v2 filesystem";
littleEndian = false;
xmlFSType.Type = "Minix v2";
XmlFsType.Type = "Minix v2";
break;
case MINIX2_CIGAM2:
filenamesize = 30;
minixVersion = "Minix v2 filesystem";
littleEndian = false;
xmlFSType.Type = "Minix v2";
XmlFsType.Type = "Minix v2";
break;
default: return;
}
@@ -247,75 +245,73 @@ namespace DiscImageChef.Filesystems
if(minix3)
{
Minix3SuperBlock mnx_sb;
Minix3SuperBlock mnxSb;
if(littleEndian)
{
GCHandle handle = GCHandle.Alloc(minix_sb_sector, GCHandleType.Pinned);
mnx_sb = (Minix3SuperBlock)Marshal.PtrToStructure(handle.AddrOfPinnedObject(),
GCHandle handle = GCHandle.Alloc(minixSbSector, GCHandleType.Pinned);
mnxSb = (Minix3SuperBlock)Marshal.PtrToStructure(handle.AddrOfPinnedObject(),
typeof(Minix3SuperBlock));
handle.Free();
}
else mnx_sb = BigEndianMarshal.ByteArrayToStructureBigEndian<Minix3SuperBlock>(minix_sb_sector);
else mnxSb = BigEndianMarshal.ByteArrayToStructureBigEndian<Minix3SuperBlock>(minixSbSector);
if(magic != MINIX3_MAGIC && magic != MINIX3_CIGAM) mnx_sb.s_blocksize = 1024;
if(magic != MINIX3_MAGIC && magic != MINIX3_CIGAM) mnxSb.s_blocksize = 1024;
sb.AppendLine(minixVersion);
sb.AppendFormat("{0} chars in filename", filenamesize).AppendLine();
if(mnx_sb.s_zones > 0) // On V2
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnx_sb.s_zones, mnx_sb.s_zones * 1024)
if(mnxSb.s_zones > 0) // On V2
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnxSb.s_zones, mnxSb.s_zones * 1024)
.AppendLine();
else
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnx_sb.s_nzones, mnx_sb.s_nzones * 1024)
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnxSb.s_nzones, mnxSb.s_nzones * 1024)
.AppendLine();
sb.AppendFormat("{0} bytes/block", mnx_sb.s_blocksize).AppendLine();
sb.AppendFormat("{0} inodes on volume", mnx_sb.s_ninodes).AppendLine();
sb.AppendFormat("{0} blocks on inode map ({1} bytes)", mnx_sb.s_imap_blocks,
mnx_sb.s_imap_blocks * mnx_sb.s_blocksize).AppendLine();
sb.AppendFormat("{0} blocks on zone map ({1} bytes)", mnx_sb.s_zmap_blocks,
mnx_sb.s_zmap_blocks * mnx_sb.s_blocksize).AppendLine();
sb.AppendFormat("First data zone: {0}", mnx_sb.s_firstdatazone).AppendLine();
sb.AppendFormat("{0} bytes/block", mnxSb.s_blocksize).AppendLine();
sb.AppendFormat("{0} inodes on volume", mnxSb.s_ninodes).AppendLine();
sb.AppendFormat("{0} blocks on inode map ({1} bytes)", mnxSb.s_imap_blocks,
mnxSb.s_imap_blocks * mnxSb.s_blocksize).AppendLine();
sb.AppendFormat("{0} blocks on zone map ({1} bytes)", mnxSb.s_zmap_blocks,
mnxSb.s_zmap_blocks * mnxSb.s_blocksize).AppendLine();
sb.AppendFormat("First data zone: {0}", mnxSb.s_firstdatazone).AppendLine();
//sb.AppendFormat("log2 of blocks/zone: {0}", mnx_sb.s_log_zone_size).AppendLine(); // Apparently 0
sb.AppendFormat("{0} bytes maximum per file", mnx_sb.s_max_size).AppendLine();
sb.AppendFormat("On-disk filesystem version: {0}", mnx_sb.s_disk_version).AppendLine();
sb.AppendFormat("{0} bytes maximum per file", mnxSb.s_max_size).AppendLine();
sb.AppendFormat("On-disk filesystem version: {0}", mnxSb.s_disk_version).AppendLine();
xmlFSType.ClusterSize = mnx_sb.s_blocksize;
if(mnx_sb.s_zones > 0) xmlFSType.Clusters = mnx_sb.s_zones;
else xmlFSType.Clusters = mnx_sb.s_nzones;
XmlFsType.ClusterSize = mnxSb.s_blocksize;
XmlFsType.Clusters = mnxSb.s_zones > 0 ? mnxSb.s_zones : mnxSb.s_nzones;
}
else
{
MinixSuperBlock mnx_sb;
MinixSuperBlock mnxSb;
if(littleEndian)
{
GCHandle handle = GCHandle.Alloc(minix_sb_sector, GCHandleType.Pinned);
mnx_sb = (MinixSuperBlock)Marshal.PtrToStructure(handle.AddrOfPinnedObject(),
GCHandle handle = GCHandle.Alloc(minixSbSector, GCHandleType.Pinned);
mnxSb = (MinixSuperBlock)Marshal.PtrToStructure(handle.AddrOfPinnedObject(),
typeof(MinixSuperBlock));
handle.Free();
}
else mnx_sb = BigEndianMarshal.ByteArrayToStructureBigEndian<MinixSuperBlock>(minix_sb_sector);
else mnxSb = BigEndianMarshal.ByteArrayToStructureBigEndian<MinixSuperBlock>(minixSbSector);
sb.AppendLine(minixVersion);
sb.AppendFormat("{0} chars in filename", filenamesize).AppendLine();
if(mnx_sb.s_zones > 0) // On V2
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnx_sb.s_zones, mnx_sb.s_zones * 1024)
if(mnxSb.s_zones > 0) // On V2
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnxSb.s_zones, mnxSb.s_zones * 1024)
.AppendLine();
else
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnx_sb.s_nzones, mnx_sb.s_nzones * 1024)
sb.AppendFormat("{0} zones on volume ({1} bytes)", mnxSb.s_nzones, mnxSb.s_nzones * 1024)
.AppendLine();
sb.AppendFormat("{0} inodes on volume", mnx_sb.s_ninodes).AppendLine();
sb.AppendFormat("{0} blocks on inode map ({1} bytes)", mnx_sb.s_imap_blocks,
mnx_sb.s_imap_blocks * 1024).AppendLine();
sb.AppendFormat("{0} blocks on zone map ({1} bytes)", mnx_sb.s_zmap_blocks, mnx_sb.s_zmap_blocks * 1024)
sb.AppendFormat("{0} inodes on volume", mnxSb.s_ninodes).AppendLine();
sb.AppendFormat("{0} blocks on inode map ({1} bytes)", mnxSb.s_imap_blocks,
mnxSb.s_imap_blocks * 1024).AppendLine();
sb.AppendFormat("{0} blocks on zone map ({1} bytes)", mnxSb.s_zmap_blocks, mnxSb.s_zmap_blocks * 1024)
.AppendLine();
sb.AppendFormat("First data zone: {0}", mnx_sb.s_firstdatazone).AppendLine();
sb.AppendFormat("First data zone: {0}", mnxSb.s_firstdatazone).AppendLine();
//sb.AppendFormat("log2 of blocks/zone: {0}", mnx_sb.s_log_zone_size).AppendLine(); // Apparently 0
sb.AppendFormat("{0} bytes maximum per file", mnx_sb.s_max_size).AppendLine();
sb.AppendFormat("Filesystem state: {0:X4}", mnx_sb.s_state).AppendLine();
xmlFSType.ClusterSize = 1024;
if(mnx_sb.s_zones > 0) xmlFSType.Clusters = mnx_sb.s_zones;
else xmlFSType.Clusters = mnx_sb.s_nzones;
sb.AppendFormat("{0} bytes maximum per file", mnxSb.s_max_size).AppendLine();
sb.AppendFormat("Filesystem state: {0:X4}", mnxSb.s_state).AppendLine();
XmlFsType.ClusterSize = 1024;
XmlFsType.Clusters = mnxSb.s_zones > 0 ? mnxSb.s_zones : mnxSb.s_nzones;
}
information = sb.ToString();
}