public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? Encoding.GetEncoding("macintosh");
information = "";
var sb = new StringBuilder();
byte[] bbSector = null;
byte[] mdbSector = null;
ushort drSigWord;
bool apmFromHddOnCd = false;
if (imagePlugin.Info.SectorSize == 2352 ||
imagePlugin.Info.SectorSize == 2448 ||
imagePlugin.Info.SectorSize == 2048)
{
byte[] tmpSector = imagePlugin.ReadSectors(partition.Start, 2);
foreach (int offset in new[]
{
0, 0x200, 0x400, 0x600, 0x800, 0xA00
})
{
drSigWord = BigEndianBitConverter.ToUInt16(tmpSector, offset);
if (drSigWord != AppleCommon.HFS_MAGIC)
{
continue;
}
bbSector = new byte[1024];
mdbSector = new byte[512];
if (offset >= 0x400)
{
Array.Copy(tmpSector, offset - 0x400, bbSector, 0, 1024);
}
Array.Copy(tmpSector, offset, mdbSector, 0, 512);
apmFromHddOnCd = true;
break;
}
if (!apmFromHddOnCd)
{
return;
}
}
else
{
mdbSector = imagePlugin.ReadSector(2 + partition.Start);
drSigWord = BigEndianBitConverter.ToUInt16(mdbSector, 0);
if (drSigWord == AppleCommon.HFS_MAGIC)
{
bbSector = imagePlugin.ReadSector(partition.Start);
}
else
{
return;
}
}
MasterDirectoryBlock mdb = Marshal.ByteArrayToStructureBigEndian <MasterDirectoryBlock>(mdbSector);
sb.AppendLine("Apple Hierarchical File System");
sb.AppendLine();
if (apmFromHddOnCd)
{
sb.AppendLine("HFS uses 512 bytes/sector while device uses 2048 bytes/sector.").AppendLine();
}
sb.AppendLine("Master Directory Block:");
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(mdb.drCrDate)).AppendLine();
sb.AppendFormat("Last modification date: {0}", DateHandlers.MacToDateTime(mdb.drLsMod)).AppendLine();
if (mdb.drVolBkUp > 0)
{
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(mdb.drVolBkUp)).AppendLine();
sb.AppendFormat("Backup sequence number: {0}", mdb.drVSeqNum).AppendLine();
}
else
{
sb.AppendLine("Volume has never been backed up");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.HardwareLock))
{
sb.AppendLine("Volume is locked by hardware.");
}
sb.AppendLine(mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.Unmounted) ? "Volume was unmonted."
: "Volume is mounted.");
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.SparedBadBlocks))
{
sb.AppendLine("Volume has spared bad blocks.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.DoesNotNeedCache))
{
sb.AppendLine("Volume does not need cache.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.BootInconsistent))
{
sb.AppendLine("Boot volume is inconsistent.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.ReusedIds))
{
sb.AppendLine("There are reused CNIDs.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.Journaled))
{
sb.AppendLine("Volume is journaled.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.Inconsistent))
{
sb.AppendLine("Volume is seriously inconsistent.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.SoftwareLock))
{
sb.AppendLine("Volume is locked by software.");
}
sb.AppendFormat("{0} files on root directory", mdb.drNmFls).AppendLine();
sb.AppendFormat("{0} directories on root directory", mdb.drNmRtDirs).AppendLine();
sb.AppendFormat("{0} files on volume", mdb.drFilCnt).AppendLine();
sb.AppendFormat("{0} directories on volume", mdb.drDirCnt).AppendLine();
sb.AppendFormat("Volume write count: {0}", mdb.drWrCnt).AppendLine();
sb.AppendFormat("Volume bitmap starting sector (in 512-bytes): {0}", mdb.drVBMSt).AppendLine();
sb.AppendFormat("Next allocation block: {0}.", mdb.drAllocPtr).AppendLine();
sb.AppendFormat("{0} volume allocation blocks.", mdb.drNmAlBlks).AppendLine();
sb.AppendFormat("{0} bytes per allocation block.", mdb.drAlBlkSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate when extending a file.", mdb.drClpSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate when extending a Extents B-Tree.", mdb.drXTClpSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate when extending a Catalog B-Tree.", mdb.drCTClpSiz).AppendLine();
sb.AppendFormat("Sector of first allocation block: {0}", mdb.drAlBlSt).AppendLine();
sb.AppendFormat("Next unused CNID: {0}", mdb.drNxtCNID).AppendLine();
sb.AppendFormat("{0} unused allocation blocks.", mdb.drFreeBks).AppendLine();
sb.AppendFormat("{0} bytes in the Extents B-Tree", mdb.drXTFlSize).AppendLine();
sb.AppendFormat("{0} bytes in the Catalog B-Tree", mdb.drCTFlSize).AppendLine();
sb.AppendFormat("Volume name: {0}", StringHandlers.PascalToString(mdb.drVN, Encoding)).AppendLine();
sb.AppendLine("Finder info:");
sb.AppendFormat("CNID of bootable system's directory: {0}", mdb.drFndrInfo0).AppendLine();
sb.AppendFormat("CNID of first-run application's directory: {0}", mdb.drFndrInfo1).AppendLine();
sb.AppendFormat("CNID of previously opened directory: {0}", mdb.drFndrInfo2).AppendLine();
sb.AppendFormat("CNID of bootable Mac OS 8 or 9 directory: {0}", mdb.drFndrInfo3).AppendLine();
sb.AppendFormat("CNID of bootable Mac OS X directory: {0}", mdb.drFndrInfo5).AppendLine();
if (mdb.drFndrInfo6 != 0 &&
mdb.drFndrInfo7 != 0)
{
sb.AppendFormat("Mac OS X Volume ID: {0:X8}{1:X8}", mdb.drFndrInfo6, mdb.drFndrInfo7).AppendLine();
}
if (mdb.drEmbedSigWord == AppleCommon.HFSP_MAGIC)
{
sb.AppendLine("Volume wraps a HFS+ volume.");
sb.AppendFormat("Starting block of the HFS+ volume: {0}", mdb.xdrStABNt).AppendLine();
sb.AppendFormat("Allocations blocks of the HFS+ volume: {0}", mdb.xdrNumABlks).AppendLine();
}
else
{
sb.AppendFormat("{0} blocks in volume cache", mdb.drVCSize).AppendLine();
sb.AppendFormat("{0} blocks in volume bitmap cache", mdb.drVBMCSize).AppendLine();
sb.AppendFormat("{0} blocks in volume common cache", mdb.drCtlCSize).AppendLine();
}
string bootBlockInfo = AppleCommon.GetBootBlockInformation(bbSector, Encoding);
if (bootBlockInfo != null)
{
sb.AppendLine("Volume is bootable.");
sb.AppendLine();
sb.AppendLine(bootBlockInfo);
}
else if (mdb.drFndrInfo0 != 0 ||
mdb.drFndrInfo3 != 0 ||
mdb.drFndrInfo5 != 0)
{
sb.AppendLine("Volume is bootable.");
}
else
{
sb.AppendLine("Volume is not bootable.");
}
information = sb.ToString();
XmlFsType = new FileSystemType();
if (mdb.drVolBkUp > 0)
{
XmlFsType.BackupDate = DateHandlers.MacToDateTime(mdb.drVolBkUp);
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Bootable = bootBlockInfo != null || mdb.drFndrInfo0 != 0 || mdb.drFndrInfo3 != 0 ||
mdb.drFndrInfo5 != 0;
XmlFsType.Clusters = mdb.drNmAlBlks;
XmlFsType.ClusterSize = mdb.drAlBlkSiz;
if (mdb.drCrDate > 0)
{
XmlFsType.CreationDate = DateHandlers.MacToDateTime(mdb.drCrDate);
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Dirty = !mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.Unmounted);
XmlFsType.Files = mdb.drFilCnt;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = mdb.drFreeBks;
XmlFsType.FreeClustersSpecified = true;
if (mdb.drLsMod > 0)
{
XmlFsType.ModificationDate = DateHandlers.MacToDateTime(mdb.drLsMod);
XmlFsType.ModificationDateSpecified = true;
}
XmlFsType.Type = "HFS";
XmlFsType.VolumeName = StringHandlers.PascalToString(mdb.drVN, Encoding);
if (mdb.drFndrInfo6 != 0 &&
mdb.drFndrInfo7 != 0)
{
XmlFsType.VolumeSerial = $"{mdb.drFndrInfo6:X8}{mdb.drFndrInfo7:X8}";
}
}
public void GetInformation(IMediaImage imagePlugin, Partition partition, out string information,
Encoding encoding)
{
Encoding = encoding ?? new MacRoman();
information = "";
var sb = new StringBuilder();
var mdb = new MasterDirectoryBlock();
byte[] mdbSector = imagePlugin.ReadSector(2 + partition.Start);
byte[] bbSector = imagePlugin.ReadSector(0 + partition.Start);
mdb.drSigWord = BigEndianBitConverter.ToUInt16(mdbSector, 0x000);
if (mdb.drSigWord != MFS_MAGIC)
{
return;
}
mdb.drCrDate = BigEndianBitConverter.ToUInt32(mdbSector, 0x002);
mdb.drLsBkUp = BigEndianBitConverter.ToUInt32(mdbSector, 0x006);
mdb.drAtrb = (AppleCommon.VolumeAttributes)BigEndianBitConverter.ToUInt16(mdbSector, 0x00A);
mdb.drNmFls = BigEndianBitConverter.ToUInt16(mdbSector, 0x00C);
mdb.drDirSt = BigEndianBitConverter.ToUInt16(mdbSector, 0x00E);
mdb.drBlLen = BigEndianBitConverter.ToUInt16(mdbSector, 0x010);
mdb.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdbSector, 0x012);
mdb.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdbSector, 0x014);
mdb.drClpSiz = BigEndianBitConverter.ToUInt32(mdbSector, 0x018);
mdb.drAlBlSt = BigEndianBitConverter.ToUInt16(mdbSector, 0x01C);
mdb.drNxtFNum = BigEndianBitConverter.ToUInt32(mdbSector, 0x01E);
mdb.drFreeBks = BigEndianBitConverter.ToUInt16(mdbSector, 0x022);
mdb.drVNSiz = mdbSector[0x024];
byte[] variableSize = new byte[mdb.drVNSiz + 1];
Array.Copy(mdbSector, 0x024, variableSize, 0, mdb.drVNSiz + 1);
mdb.drVN = StringHandlers.PascalToString(variableSize, Encoding);
sb.AppendLine("Apple Macintosh File System");
sb.AppendLine();
sb.AppendLine("Master Directory Block:");
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(mdb.drCrDate)).AppendLine();
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(mdb.drLsBkUp)).AppendLine();
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.HardwareLock))
{
sb.AppendLine("Volume is locked by hardware.");
}
sb.AppendLine(mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.Unmounted) ? "Volume was unmonted."
: "Volume is mounted.");
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.SparedBadBlocks))
{
sb.AppendLine("Volume has spared bad blocks.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.DoesNotNeedCache))
{
sb.AppendLine("Volume does not need cache.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.BootInconsistent))
{
sb.AppendLine("Boot volume is inconsistent.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.ReusedIds))
{
sb.AppendLine("There are reused CNIDs.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.Inconsistent))
{
sb.AppendLine("Volume is seriously inconsistent.");
}
if (mdb.drAtrb.HasFlag(AppleCommon.VolumeAttributes.SoftwareLock))
{
sb.AppendLine("Volume is locked by software.");
}
sb.AppendFormat("{0} files on volume", mdb.drNmFls).AppendLine();
sb.AppendFormat("First directory sector: {0}", mdb.drDirSt).AppendLine();
sb.AppendFormat("{0} sectors in directory.", mdb.drBlLen).AppendLine();
sb.AppendFormat("{0} volume allocation blocks.", mdb.drNmAlBlks + 1).AppendLine();
sb.AppendFormat("Size of allocation blocks: {0} bytes", mdb.drAlBlkSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate.", mdb.drClpSiz).AppendLine();
sb.AppendFormat("First allocation block (#2) starts in sector {0}.", mdb.drAlBlSt).AppendLine();
sb.AppendFormat("Next unused file number: {0}", mdb.drNxtFNum).AppendLine();
sb.AppendFormat("{0} unused allocation blocks.", mdb.drFreeBks).AppendLine();
sb.AppendFormat("Volume name: {0}", mdb.drVN).AppendLine();
string bootBlockInfo = AppleCommon.GetBootBlockInformation(bbSector, Encoding);
if (bootBlockInfo != null)
{
sb.AppendLine("Volume is bootable.");
sb.AppendLine();
sb.AppendLine(bootBlockInfo);
}
else
{
sb.AppendLine("Volume is not bootable.");
}
information = sb.ToString();
XmlFsType = new FileSystemType();
if (mdb.drLsBkUp > 0)
{
XmlFsType.BackupDate = DateHandlers.MacToDateTime(mdb.drLsBkUp);
XmlFsType.BackupDateSpecified = true;
}
XmlFsType.Bootable = bootBlockInfo != null;
XmlFsType.Clusters = mdb.drNmAlBlks;
XmlFsType.ClusterSize = mdb.drAlBlkSiz;
if (mdb.drCrDate > 0)
{
XmlFsType.CreationDate = DateHandlers.MacToDateTime(mdb.drCrDate);
XmlFsType.CreationDateSpecified = true;
}
XmlFsType.Files = mdb.drNmFls;
XmlFsType.FilesSpecified = true;
XmlFsType.FreeClusters = mdb.drFreeBks;
XmlFsType.FreeClustersSpecified = true;
XmlFsType.Type = "MFS";
XmlFsType.VolumeName = mdb.drVN;
}
