General refactor.

This commit is contained in:
2018-06-20 22:22:21 +01:00
parent dc1884f5d8
commit ec8b309670
93 changed files with 850 additions and 1015 deletions

View File

@@ -64,8 +64,6 @@ namespace DiscImageChef.Filesystems
{
if(2 + partition.Start >= partition.End) return false;
ushort drSigWord;
ulong hfspOffset;
uint sectorsToRead = 0x800 / imagePlugin.Info.SectorSize;
@@ -73,7 +71,7 @@ namespace DiscImageChef.Filesystems
byte[] vhSector = imagePlugin.ReadSectors(partition.Start, sectorsToRead);
drSigWord = BigEndianBitConverter.ToUInt16(vhSector, 0x400); // Check for HFS Wrapper MDB
ushort drSigWord = BigEndianBitConverter.ToUInt16(vhSector, 0x400);
if(drSigWord == HFS_MAGIC) // "BD"
{
@@ -105,8 +103,7 @@ namespace DiscImageChef.Filesystems
Encoding = Encoding.BigEndianUnicode;
information = "";
ushort drSigWord;
HFSPlusVolumeHeader HPVH = new HFSPlusVolumeHeader();
HfsPlusVolumeHeader vh = new HfsPlusVolumeHeader();
ulong hfspOffset;
bool wrapped;
@@ -116,7 +113,7 @@ namespace DiscImageChef.Filesystems
byte[] vhSector = imagePlugin.ReadSectors(partition.Start, sectorsToRead);
drSigWord = BigEndianBitConverter.ToUInt16(vhSector, 0x400); // Check for HFS Wrapper MDB
ushort drSigWord = BigEndianBitConverter.ToUInt16(vhSector, 0x400);
if(drSigWord == HFS_MAGIC) // "BD"
{
@@ -147,120 +144,119 @@ namespace DiscImageChef.Filesystems
vhSector = imagePlugin.ReadSectors(partition.Start + hfspOffset, sectorsToRead); // Read volume header
HPVH.signature = BigEndianBitConverter.ToUInt16(vhSector, 0x400);
if(HPVH.signature == HFSP_MAGIC || HPVH.signature == HFSX_MAGIC)
vh.signature = BigEndianBitConverter.ToUInt16(vhSector, 0x400);
if(vh.signature != HFSP_MAGIC && vh.signature != HFSX_MAGIC) return;
StringBuilder sb = new StringBuilder();
if(vh.signature == 0x482B) sb.AppendLine("HFS+ filesystem.");
if(vh.signature == 0x4858) sb.AppendLine("HFSX filesystem.");
if(wrapped) sb.AppendLine("Volume is wrapped inside an HFS volume.");
byte[] tmp = new byte[0x400];
Array.Copy(vhSector, 0x400, tmp, 0, 0x400);
vhSector = tmp;
vh = BigEndianMarshal.ByteArrayToStructureBigEndian<HfsPlusVolumeHeader>(vhSector);
if(vh.version == 4 || vh.version == 5)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("Filesystem version is {0}.", vh.version).AppendLine();
if(HPVH.signature == 0x482B) sb.AppendLine("HFS+ filesystem.");
if(HPVH.signature == 0x4858) sb.AppendLine("HFSX filesystem.");
if(wrapped) sb.AppendLine("Volume is wrapped inside an HFS volume.");
if((vh.attributes & 0x80) == 0x80) sb.AppendLine("Volume is locked on hardware.");
if((vh.attributes & 0x100) == 0x100) sb.AppendLine("Volume is unmounted.");
if((vh.attributes & 0x200) == 0x200) sb.AppendLine("There are bad blocks in the extents file.");
if((vh.attributes & 0x400) == 0x400) sb.AppendLine("Volume does not require cache.");
if((vh.attributes & 0x800) == 0x800) sb.AppendLine("Volume state is inconsistent.");
if((vh.attributes & 0x1000) == 0x1000) sb.AppendLine("CNIDs are reused.");
if((vh.attributes & 0x2000) == 0x2000) sb.AppendLine("Volume is journaled.");
if((vh.attributes & 0x8000) == 0x8000) sb.AppendLine("Volume is locked on software.");
byte[] tmp = new byte[0x400];
Array.Copy(vhSector, 0x400, tmp, 0, 0x400);
vhSector = tmp;
HPVH = BigEndianMarshal.ByteArrayToStructureBigEndian<HFSPlusVolumeHeader>(vhSector);
if(HPVH.version == 4 || HPVH.version == 5)
{
sb.AppendFormat("Filesystem version is {0}.", HPVH.version).AppendLine();
if((HPVH.attributes & 0x80) == 0x80) sb.AppendLine("Volume is locked on hardware.");
if((HPVH.attributes & 0x100) == 0x100) sb.AppendLine("Volume is unmounted.");
if((HPVH.attributes & 0x200) == 0x200) sb.AppendLine("There are bad blocks in the extents file.");
if((HPVH.attributes & 0x400) == 0x400) sb.AppendLine("Volume does not require cache.");
if((HPVH.attributes & 0x800) == 0x800) sb.AppendLine("Volume state is inconsistent.");
if((HPVH.attributes & 0x1000) == 0x1000) sb.AppendLine("CNIDs are reused.");
if((HPVH.attributes & 0x2000) == 0x2000) sb.AppendLine("Volume is journaled.");
if((HPVH.attributes & 0x8000) == 0x8000) sb.AppendLine("Volume is locked on software.");
sb.AppendFormat("Implementation that last mounted the volume: \"{0}\".",
Encoding.ASCII.GetString(HPVH.lastMountedVersion)).AppendLine();
if((HPVH.attributes & 0x2000) == 0x2000)
sb.AppendFormat("Journal starts at allocation block {0}.", HPVH.journalInfoBlock).AppendLine();
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(HPVH.createDate)).AppendLine();
sb.AppendFormat("Last modification date: {0}", DateHandlers.MacToDateTime(HPVH.modifyDate))
sb.AppendFormat("Implementation that last mounted the volume: \"{0}\".",
Encoding.ASCII.GetString(vh.lastMountedVersion)).AppendLine();
if((vh.attributes & 0x2000) == 0x2000)
sb.AppendFormat("Journal starts at allocation block {0}.", vh.journalInfoBlock).AppendLine();
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(vh.createDate)).AppendLine();
sb.AppendFormat("Last modification date: {0}", DateHandlers.MacToDateTime(vh.modifyDate))
.AppendLine();
if(vh.backupDate > 0)
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(vh.backupDate))
.AppendLine();
else sb.AppendLine("Volume has never been backed up");
if(vh.backupDate > 0)
sb.AppendFormat("Last check date: {0}", DateHandlers.MacToDateTime(vh.checkedDate))
.AppendLine();
else sb.AppendLine("Volume has never been checked up");
sb.AppendFormat("{0} files on volume.", vh.fileCount).AppendLine();
sb.AppendFormat("{0} folders on volume.", vh.folderCount).AppendLine();
sb.AppendFormat("{0} bytes per allocation block.", vh.blockSize).AppendLine();
sb.AppendFormat("{0} allocation blocks.", vh.totalBlocks).AppendLine();
sb.AppendFormat("{0} free blocks.", vh.freeBlocks).AppendLine();
sb.AppendFormat("Next allocation block: {0}.", vh.nextAllocation).AppendLine();
sb.AppendFormat("Resource fork clump size: {0} bytes.", vh.rsrcClumpSize).AppendLine();
sb.AppendFormat("Data fork clump size: {0} bytes.", vh.dataClumpSize).AppendLine();
sb.AppendFormat("Next unused CNID: {0}.", vh.nextCatalogID).AppendLine();
sb.AppendFormat("Volume has been mounted writable {0} times.", vh.writeCount).AppendLine();
sb.AppendFormat("Allocation File is {0} bytes.", vh.allocationFile_logicalSize).AppendLine();
sb.AppendFormat("Extents File is {0} bytes.", vh.extentsFile_logicalSize).AppendLine();
sb.AppendFormat("Catalog File is {0} bytes.", vh.catalogFile_logicalSize).AppendLine();
sb.AppendFormat("Attributes File is {0} bytes.", vh.attributesFile_logicalSize).AppendLine();
sb.AppendFormat("Startup File is {0} bytes.", vh.startupFile_logicalSize).AppendLine();
sb.AppendLine("Finder info:");
sb.AppendFormat("CNID of bootable system's directory: {0}", vh.drFndrInfo0).AppendLine();
sb.AppendFormat("CNID of first-run application's directory: {0}", vh.drFndrInfo1).AppendLine();
sb.AppendFormat("CNID of previously opened directory: {0}", vh.drFndrInfo2).AppendLine();
sb.AppendFormat("CNID of bootable Mac OS 8 or 9 directory: {0}", vh.drFndrInfo3).AppendLine();
sb.AppendFormat("CNID of bootable Mac OS X directory: {0}", vh.drFndrInfo5).AppendLine();
if(vh.drFndrInfo6 != 0 && vh.drFndrInfo7 != 0)
sb.AppendFormat("Mac OS X Volume ID: {0:X8}{1:X8}", vh.drFndrInfo6, vh.drFndrInfo7)
.AppendLine();
if(HPVH.backupDate > 0)
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(HPVH.backupDate))
.AppendLine();
else sb.AppendLine("Volume has never been backed up");
if(HPVH.backupDate > 0)
sb.AppendFormat("Last check date: {0}", DateHandlers.MacToDateTime(HPVH.checkedDate))
.AppendLine();
else sb.AppendLine("Volume has never been checked up");
sb.AppendFormat("{0} files on volume.", HPVH.fileCount).AppendLine();
sb.AppendFormat("{0} folders on volume.", HPVH.folderCount).AppendLine();
sb.AppendFormat("{0} bytes per allocation block.", HPVH.blockSize).AppendLine();
sb.AppendFormat("{0} allocation blocks.", HPVH.totalBlocks).AppendLine();
sb.AppendFormat("{0} free blocks.", HPVH.freeBlocks).AppendLine();
sb.AppendFormat("Next allocation block: {0}.", HPVH.nextAllocation).AppendLine();
sb.AppendFormat("Resource fork clump size: {0} bytes.", HPVH.rsrcClumpSize).AppendLine();
sb.AppendFormat("Data fork clump size: {0} bytes.", HPVH.dataClumpSize).AppendLine();
sb.AppendFormat("Next unused CNID: {0}.", HPVH.nextCatalogID).AppendLine();
sb.AppendFormat("Volume has been mounted writable {0} times.", HPVH.writeCount).AppendLine();
sb.AppendFormat("Allocation File is {0} bytes.", HPVH.allocationFile_logicalSize).AppendLine();
sb.AppendFormat("Extents File is {0} bytes.", HPVH.extentsFile_logicalSize).AppendLine();
sb.AppendFormat("Catalog File is {0} bytes.", HPVH.catalogFile_logicalSize).AppendLine();
sb.AppendFormat("Attributes File is {0} bytes.", HPVH.attributesFile_logicalSize).AppendLine();
sb.AppendFormat("Startup File is {0} bytes.", HPVH.startupFile_logicalSize).AppendLine();
sb.AppendLine("Finder info:");
sb.AppendFormat("CNID of bootable system's directory: {0}", HPVH.drFndrInfo0).AppendLine();
sb.AppendFormat("CNID of first-run application's directory: {0}", HPVH.drFndrInfo1).AppendLine();
sb.AppendFormat("CNID of previously opened directory: {0}", HPVH.drFndrInfo2).AppendLine();
sb.AppendFormat("CNID of bootable Mac OS 8 or 9 directory: {0}", HPVH.drFndrInfo3).AppendLine();
sb.AppendFormat("CNID of bootable Mac OS X directory: {0}", HPVH.drFndrInfo5).AppendLine();
if(HPVH.drFndrInfo6 != 0 && HPVH.drFndrInfo7 != 0)
sb.AppendFormat("Mac OS X Volume ID: {0:X8}{1:X8}", HPVH.drFndrInfo6, HPVH.drFndrInfo7)
.AppendLine();
XmlFsType = new FileSystemType();
if(HPVH.backupDate > 0)
{
XmlFsType.BackupDate = DateHandlers.MacToDateTime(HPVH.backupDate);
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Bootable |= HPVH.drFndrInfo0 != 0 || HPVH.drFndrInfo3 != 0 || HPVH.drFndrInfo5 != 0;
XmlFsType.Clusters = HPVH.totalBlocks;
XmlFsType.ClusterSize = (int)HPVH.blockSize;
if(HPVH.createDate > 0)
{
XmlFsType.CreationDate = DateHandlers.MacToDateTime(HPVH.createDate);
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Dirty = (HPVH.attributes & 0x100) != 0x100;
XmlFsType.Files = HPVH.fileCount;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = HPVH.freeBlocks;
XmlFsType.FreeClustersSpecified = true;
if(HPVH.modifyDate > 0)
{
XmlFsType.ModificationDate = DateHandlers.MacToDateTime(HPVH.modifyDate);
XmlFsType.ModificationDateSpecified = true;
}
if(HPVH.signature == 0x482B) XmlFsType.Type = "HFS+";
if(HPVH.signature == 0x4858) XmlFsType.Type = "HFSX";
if(HPVH.drFndrInfo6 != 0 && HPVH.drFndrInfo7 != 0)
XmlFsType.VolumeSerial = $"{HPVH.drFndrInfo6:X8}{HPVH.drFndrInfo7:X8}";
XmlFsType.SystemIdentifier = Encoding.ASCII.GetString(HPVH.lastMountedVersion);
}
else
XmlFsType = new FileSystemType();
if(vh.backupDate > 0)
{
sb.AppendFormat("Filesystem version is {0}.", HPVH.version).AppendLine();
sb.AppendLine("This version is not supported yet.");
XmlFsType.BackupDate = DateHandlers.MacToDateTime(vh.backupDate);
XmlFsType.BackupDateSpecified = true;
}
information = sb.ToString();
XmlFsType.Bootable |= vh.drFndrInfo0 != 0 || vh.drFndrInfo3 != 0 || vh.drFndrInfo5 != 0;
XmlFsType.Clusters = vh.totalBlocks;
XmlFsType.ClusterSize = (int)vh.blockSize;
if(vh.createDate > 0)
{
XmlFsType.CreationDate = DateHandlers.MacToDateTime(vh.createDate);
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Dirty = (vh.attributes & 0x100) != 0x100;
XmlFsType.Files = vh.fileCount;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = vh.freeBlocks;
XmlFsType.FreeClustersSpecified = true;
if(vh.modifyDate > 0)
{
XmlFsType.ModificationDate = DateHandlers.MacToDateTime(vh.modifyDate);
XmlFsType.ModificationDateSpecified = true;
}
if(vh.signature == 0x482B) XmlFsType.Type = "HFS+";
if(vh.signature == 0x4858) XmlFsType.Type = "HFSX";
if(vh.drFndrInfo6 != 0 && vh.drFndrInfo7 != 0)
XmlFsType.VolumeSerial = $"{vh.drFndrInfo6:X8}{vh.drFndrInfo7:X8}";
XmlFsType.SystemIdentifier = Encoding.ASCII.GetString(vh.lastMountedVersion);
}
else return;
else
{
sb.AppendFormat("Filesystem version is {0}.", vh.version).AppendLine();
sb.AppendLine("This version is not supported yet.");
}
information = sb.ToString();
}
/// <summary>
/// HFS+ Volume Header, should be at offset 0x0400 bytes in volume with a size of 532 bytes
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct HFSPlusVolumeHeader
struct HfsPlusVolumeHeader
{
/// <summary>0x000, "H+" for HFS+, "HX" for HFSX</summary>
public ushort signature;