Exemple #1
0
        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}";
            }
        }
Exemple #2
0
        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;
        }