2016-07-28 18:13:49 +01:00
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : MBR.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Partitioning scheme plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Manages Intel/Microsoft MBR and UNIX slicing inside it.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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2017-05-19 20:28:49 +01:00
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// Copyright © 2011-2017 Natalia Portillo
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2016-07-28 18:13:49 +01:00
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// ****************************************************************************/
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2014-04-17 19:58:14 +00:00
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2011-03-25 10:39:11 +00:00
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using System;
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2014-04-14 02:29:13 +00:00
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using System.Collections.Generic;
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2017-07-24 04:05:38 +01:00
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using System.Runtime.InteropServices;
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using DiscImageChef.Console;
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2011-03-25 10:39:11 +00:00
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2017-07-24 04:05:38 +01:00
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// TODO: Support AAP extensions
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2014-06-15 23:39:34 +01:00
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namespace DiscImageChef.PartPlugins
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2011-03-25 10:39:11 +00:00
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{
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2017-07-01 20:54:02 +01:00
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public class MBR : PartPlugin
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2014-04-14 01:14:20 +00:00
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{
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2015-10-05 19:58:42 +01:00
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public MBR()
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2014-04-14 01:14:20 +00:00
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{
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2014-04-14 02:29:13 +00:00
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Name = "Master Boot Record";
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PluginUUID = new Guid("5E8A34E8-4F1A-59E6-4BF7-7EA647063A76");
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2014-04-14 01:14:20 +00:00
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}
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2015-10-05 19:45:07 +01:00
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public override bool GetInformation(ImagePlugins.ImagePlugin imagePlugin, out List<CommonTypes.Partition> partitions)
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2014-04-14 01:14:20 +00:00
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{
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ulong counter = 0;
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2016-04-19 02:11:47 +01:00
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2015-10-05 19:45:07 +01:00
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partitions = new List<CommonTypes.Partition>();
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2011-03-25 10:39:11 +00:00
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2016-04-19 02:11:47 +01:00
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if(imagePlugin.GetSectorSize() < 512)
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2014-06-07 17:32:14 +01:00
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return false;
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2017-07-24 04:05:38 +01:00
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uint sectorSize = imagePlugin.GetSectorSize();
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// Divider of sector size in MBR between real sector size
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ulong divider = 1;
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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if(imagePlugin.ImageInfo.xmlMediaType == ImagePlugins.XmlMediaType.OpticalDisc)
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2014-04-14 01:14:20 +00:00
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{
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2017-07-24 04:05:38 +01:00
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sectorSize = 512;
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divider = 4;
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}
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2014-04-14 01:14:20 +00:00
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2017-07-24 04:05:38 +01:00
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byte[] sector = imagePlugin.ReadSector(0);
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2014-04-14 01:14:20 +00:00
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2017-07-24 04:05:38 +01:00
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GCHandle handle = GCHandle.Alloc(sector, GCHandleType.Pinned);
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MasterBootRecord mbr = (MasterBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(MasterBootRecord));
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TimedMasterBootRecord mbr_time = (TimedMasterBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(TimedMasterBootRecord));
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SerializedMasterBootRecord mbr_serial = (SerializedMasterBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(SerializedMasterBootRecord));
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ModernMasterBootRecord mbr_modern = (ModernMasterBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(ModernMasterBootRecord));
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NecMasterBootRecord mbr_nec = (NecMasterBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(NecMasterBootRecord));
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DiskManagerMasterBootRecord mbr_ontrack = (DiskManagerMasterBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(DiskManagerMasterBootRecord));
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handle.Free();
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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if(mbr.magic != MBR_Magic)
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return false; // Not MBR
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2011-03-25 10:39:11 +00:00
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2017-07-24 04:05:38 +01:00
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MBRPartitionEntry[] entries;
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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if(mbr_ontrack.dm_magic == DM_Magic)
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entries = mbr_ontrack.entries;
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else if(mbr_nec.nec_magic == NEC_Magic)
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entries = mbr_nec.entries;
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else
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entries = mbr.entries;
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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foreach(MBRPartitionEntry entry in entries)
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{
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byte start_sector = (byte)(entry.start_sector & 0x3F);
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ushort start_cylinder = (ushort)(((entry.start_sector & 0xC0) << 2) | entry.start_cylinder);
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byte end_sector = (byte)(entry.end_sector & 0x3F);
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ushort end_cylinder = (ushort)(((entry.end_sector & 0xC0) << 2) | entry.end_cylinder);
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ulong lba_start = entry.lba_start;
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ulong lba_sectors = entry.lba_sectors;
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2016-04-19 02:11:47 +01:00
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2014-04-14 01:14:20 +00:00
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// Let's start the fun...
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2016-04-19 02:11:47 +01:00
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2014-04-14 01:14:20 +00:00
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bool valid = true;
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bool extended = false;
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2017-07-24 04:05:38 +01:00
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//bool disklabel = false;
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2014-04-14 01:14:20 +00:00
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2016-04-19 02:11:47 +01:00
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if(entry.status != 0x00 && entry.status != 0x80)
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2014-04-14 01:14:20 +00:00
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return false; // Maybe a FAT filesystem
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2014-04-14 02:29:13 +00:00
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valid &= entry.type != 0x00;
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2016-04-19 02:11:47 +01:00
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if(entry.type == 0xEE || entry.type == 0xEF)
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2014-04-14 01:14:20 +00:00
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return false; // This is a GPT
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2017-07-24 04:05:38 +01:00
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if(entry.type == 0x05 || entry.type == 0x0F || entry.type == 0x15 || entry.type == 0x1F || entry.type == 0x85 ||
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entry.type == 0x91 || entry.type == 0x9B || entry.type == 0xC5 || entry.type == 0xCF || entry.type == 0xD5)
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2014-04-14 01:14:20 +00:00
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{
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valid = false;
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extended = true; // Extended partition
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}
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2014-04-14 02:29:13 +00:00
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valid &= entry.lba_start != 0 || entry.lba_sectors != 0 || entry.start_cylinder != 0 || entry.start_head != 0 || entry.start_sector != 0 || entry.end_cylinder != 0 || entry.end_head != 0 || entry.end_sector != 0;
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2016-04-19 02:11:47 +01:00
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if(entry.lba_start == 0 && entry.lba_sectors == 0 && valid)
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2014-04-14 01:14:20 +00:00
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{
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2017-07-24 04:05:38 +01:00
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lba_start = CHStoLBA(start_cylinder, entry.start_head, start_sector);
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lba_sectors = CHStoLBA(end_cylinder, entry.end_head, entry.end_sector) - lba_start;
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2014-04-14 01:14:20 +00:00
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}
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2011-03-25 10:39:11 +00:00
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2017-07-24 04:05:38 +01:00
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// For optical media
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lba_start /= divider;
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lba_sectors /= divider;
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if(lba_start > imagePlugin.GetSectors())
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2014-04-14 01:14:20 +00:00
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{
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valid = false;
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extended = false;
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}
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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// Some buggy implementations do some rounding errors getting a few sectors beyond device size
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if(lba_start + lba_sectors > imagePlugin.GetSectors())
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lba_sectors = imagePlugin.GetSectors() - lba_start;
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DicConsole.DebugWriteLine("MBR plugin", "entry.status {0}", entry.status);
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DicConsole.DebugWriteLine("MBR plugin", "entry.type {0}", entry.type);
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DicConsole.DebugWriteLine("MBR plugin", "entry.lba_start {0}", entry.lba_start);
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DicConsole.DebugWriteLine("MBR plugin", "entry.lba_sectors {0}", entry.lba_sectors);
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DicConsole.DebugWriteLine("MBR plugin", "entry.start_cylinder {0}", start_cylinder);
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DicConsole.DebugWriteLine("MBR plugin", "entry.start_head {0}", entry.start_head);
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DicConsole.DebugWriteLine("MBR plugin", "entry.start_sector {0}", start_sector);
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DicConsole.DebugWriteLine("MBR plugin", "entry.end_cylinder {0}", end_cylinder);
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DicConsole.DebugWriteLine("MBR plugin", "entry.end_head {0}", entry.end_head);
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DicConsole.DebugWriteLine("MBR plugin", "entry.end_sector {0}", end_sector);
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2016-04-19 02:11:47 +01:00
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if(valid)
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2014-04-14 01:14:20 +00:00
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{
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2015-10-05 19:45:07 +01:00
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CommonTypes.Partition part = new CommonTypes.Partition();
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2017-07-24 04:05:38 +01:00
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if(lba_start > 0 && lba_sectors > 0)
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2014-04-14 01:14:20 +00:00
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{
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2017-07-19 16:37:11 +01:00
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part.Start = entry.lba_start;
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part.Length = entry.lba_sectors;
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2017-07-24 04:05:38 +01:00
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part.Offset = part.Start * sectorSize;
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part.Size = part.Length * sectorSize;
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2014-04-14 01:14:20 +00:00
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}
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2016-04-19 02:11:47 +01:00
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else
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2014-04-14 01:14:20 +00:00
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valid = false;
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2016-04-19 02:11:47 +01:00
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if(valid)
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2014-04-14 01:14:20 +00:00
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{
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2017-07-19 16:37:11 +01:00
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part.Type = string.Format("0x{0:X2}", entry.type);
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2017-07-24 04:05:38 +01:00
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part.Name = DecodeMBRType(entry.type);
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2017-07-19 16:37:11 +01:00
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part.Sequence = counter;
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part.Description = entry.status == 0x80 ? "Partition is bootable." : "";
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2017-07-23 22:54:36 +01:00
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part.Scheme = Name;
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2016-04-19 02:11:47 +01:00
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2014-04-14 01:14:20 +00:00
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counter++;
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2016-04-19 02:11:47 +01:00
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2014-04-14 01:14:20 +00:00
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partitions.Add(part);
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}
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}
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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DicConsole.DebugWriteLine("MBR plugin", "entry.extended = {0}", extended);
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2016-04-19 02:11:47 +01:00
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if(extended) // Let's extend the fun
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2014-04-14 01:14:20 +00:00
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{
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bool processing_extended = true;
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2017-07-24 04:05:38 +01:00
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ulong chain_start = lba_start;
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2014-04-14 01:14:20 +00:00
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2016-04-19 02:11:47 +01:00
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while(processing_extended)
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2014-04-14 01:14:20 +00:00
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{
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2017-07-24 04:05:38 +01:00
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sector = imagePlugin.ReadSector(lba_start);
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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handle = GCHandle.Alloc(sector, GCHandleType.Pinned);
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ExtendedBootRecord ebr = (ExtendedBootRecord)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(ExtendedBootRecord));
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handle.Free();
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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DicConsole.DebugWriteLine("MBR plugin", "ebr.magic == MBR_Magic = {0}", ebr.magic == MBR_Magic);
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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if(ebr.magic != MBR_Magic)
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break;
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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ulong next_start = 0;
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2016-04-19 02:11:47 +01:00
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2017-07-24 04:05:38 +01:00
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foreach(MBRPartitionEntry ebr_entry in ebr.entries)
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{
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bool ext_valid = true;
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start_sector = (byte)(ebr_entry.start_sector & 0x3F);
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start_cylinder = (ushort)(((ebr_entry.start_sector & 0xC0) << 2) | ebr_entry.start_cylinder);
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end_sector = (byte)(ebr_entry.end_sector & 0x3F);
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end_cylinder = (ushort)(((ebr_entry.end_sector & 0xC0) << 2) | ebr_entry.end_cylinder);
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ulong ext_start = ebr_entry.lba_start;
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ulong ext_sectors = ebr_entry.lba_sectors;
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.status {0}", ebr_entry.status);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.type {0}", ebr_entry.type);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.lba_start {0}", ebr_entry.lba_start);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.lba_sectors {0}", ebr_entry.lba_sectors);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.start_cylinder {0}", start_cylinder);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.start_head {0}", ebr_entry.start_head);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.start_sector {0}", start_sector);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.end_cylinder {0}", end_cylinder);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.end_head {0}", ebr_entry.end_head);
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DicConsole.DebugWriteLine("MBR plugin", "ebr_entry.end_sector {0}", end_sector);
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2014-04-14 01:14:20 +00:00
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// Let's start the fun...
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2017-07-24 04:05:38 +01:00
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ext_valid &= ebr_entry.status == 0x00 || ebr_entry.status == 0x80;
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ext_valid &= ebr_entry.type != 0x00;
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ext_valid &= ebr_entry.lba_start != 0 || ebr_entry.lba_sectors != 0 || ebr_entry.start_cylinder != 0 || ebr_entry.start_head != 0 ||
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ebr_entry.start_sector != 0 || ebr_entry.end_cylinder != 0 || ebr_entry.end_head != 0 || ebr_entry.end_sector != 0;
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if(ebr_entry.lba_start == 0 && ebr_entry.lba_sectors == 0 && ext_valid)
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2014-04-14 01:14:20 +00:00
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{
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2017-07-24 04:05:38 +01:00
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ext_start = CHStoLBA(start_cylinder, ebr_entry.start_head, start_sector);
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ext_sectors = CHStoLBA(end_cylinder, ebr_entry.end_head, ebr_entry.end_sector) - ext_start;
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2014-04-14 01:14:20 +00:00
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}
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2017-07-24 04:05:38 +01:00
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// For optical media
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lba_start /= divider;
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lba_sectors /= divider;
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if(ebr_entry.type == 0x05 || ebr_entry.type == 0x0F || ebr_entry.type == 0x15 || ebr_entry.type == 0x1F || ebr_entry.type == 0x85 ||
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|
|
|
|
ebr_entry.type == 0x91 || ebr_entry.type == 0x9B || ebr_entry.type == 0xC5 || ebr_entry.type == 0xCF || ebr_entry.type == 0xD5)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
|
|
|
|
ext_valid = false;
|
2017-07-24 04:05:38 +01:00
|
|
|
next_start = chain_start + ext_start;
|
2014-04-14 01:14:20 +00:00
|
|
|
}
|
2016-04-19 02:11:47 +01:00
|
|
|
|
2017-07-24 04:05:38 +01:00
|
|
|
ext_start += lba_start;
|
|
|
|
|
ext_valid &= ext_start <= imagePlugin.GetSectors();
|
2016-04-19 02:11:47 +01:00
|
|
|
|
2017-07-24 04:05:38 +01:00
|
|
|
// Some buggy implementations do some rounding errors getting a few sectors beyond device size
|
|
|
|
|
if(ext_start + ext_sectors > imagePlugin.GetSectors())
|
|
|
|
|
ext_sectors = imagePlugin.GetSectors() - ext_start;
|
2016-04-19 02:11:47 +01:00
|
|
|
|
|
|
|
|
if(ext_valid)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
2015-10-05 19:45:07 +01:00
|
|
|
CommonTypes.Partition part = new CommonTypes.Partition();
|
2017-07-24 04:05:38 +01:00
|
|
|
if(ext_start > 0 && ext_sectors > 0)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
2017-07-24 04:05:38 +01:00
|
|
|
part.Start = ext_start;
|
|
|
|
|
part.Length = ext_sectors;
|
|
|
|
|
part.Offset = part.Start * sectorSize;
|
|
|
|
|
part.Size = part.Length * sectorSize;
|
2014-04-14 01:14:20 +00:00
|
|
|
}
|
2016-04-19 02:11:47 +01:00
|
|
|
else
|
2014-04-14 01:14:20 +00:00
|
|
|
ext_valid = false;
|
2016-04-19 02:11:47 +01:00
|
|
|
|
|
|
|
|
if(ext_valid)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
2017-07-24 04:05:38 +01:00
|
|
|
part.Type = string.Format("0x{0:X2}", ebr_entry.type);
|
|
|
|
|
part.Name = DecodeMBRType(ebr_entry.type);
|
2017-07-19 16:37:11 +01:00
|
|
|
part.Sequence = counter;
|
2017-07-24 04:05:38 +01:00
|
|
|
part.Description = ebr_entry.status == 0x80 ? "Partition is bootable." : "";
|
2017-07-23 22:54:36 +01:00
|
|
|
part.Scheme = Name;
|
2014-04-14 01:14:20 +00:00
|
|
|
counter++;
|
2016-04-19 02:11:47 +01:00
|
|
|
|
2014-04-14 01:14:20 +00:00
|
|
|
partitions.Add(part);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2017-07-24 04:05:38 +01:00
|
|
|
|
|
|
|
|
DicConsole.DebugWriteLine("MBR plugin", "next_start {0}", next_start);
|
|
|
|
|
processing_extended &= next_start != 0;
|
|
|
|
|
processing_extended &= (next_start <= imagePlugin.GetSectors());
|
|
|
|
|
lba_start = next_start;
|
2014-04-14 01:14:20 +00:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2016-04-19 02:11:47 +01:00
|
|
|
|
2014-04-14 01:14:20 +00:00
|
|
|
// An empty MBR may exist, NeXT creates one and then hardcodes its disklabel
|
2014-04-14 02:29:13 +00:00
|
|
|
return partitions.Count != 0;
|
2014-04-14 01:14:20 +00:00
|
|
|
}
|
|
|
|
|
|
2016-07-28 22:25:26 +01:00
|
|
|
static uint CHStoLBA(ushort cyl, byte head, byte sector)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
2016-07-28 22:25:26 +01:00
|
|
|
#pragma warning disable IDE0004 // Remove Unnecessary Cast
|
|
|
|
|
return (((uint)cyl * 16) + (uint)head) * 63 + (uint)sector - 1;
|
|
|
|
|
#pragma warning restore IDE0004 // Remove Unnecessary Cast
|
2014-04-14 01:14:20 +00:00
|
|
|
}
|
|
|
|
|
|
2017-07-24 04:05:38 +01:00
|
|
|
static string DecodeMBRType(byte type)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
2016-04-19 02:11:47 +01:00
|
|
|
switch(type)
|
2014-04-14 01:14:20 +00:00
|
|
|
{
|
|
|
|
|
case 0x01:
|
|
|
|
|
return "FAT12";
|
|
|
|
|
case 0x02:
|
|
|
|
|
return "XENIX root";
|
|
|
|
|
case 0x03:
|
|
|
|
|
return "XENIX /usr";
|
|
|
|
|
case 0x04:
|
|
|
|
|
return "FAT16 < 32 MiB";
|
|
|
|
|
case 0x05:
|
|
|
|
|
return "Extended";
|
|
|
|
|
case 0x06:
|
|
|
|
|
return "FAT16";
|
|
|
|
|
case 0x07:
|
|
|
|
|
return "IFS (HPFS/NTFS)";
|
|
|
|
|
case 0x08:
|
|
|
|
|
return "AIX boot, OS/2, Commodore DOS";
|
|
|
|
|
case 0x09:
|
|
|
|
|
return "AIX data, Coherent, QNX";
|
|
|
|
|
case 0x0A:
|
|
|
|
|
return "Coherent swap, OPUS, OS/2 Boot Manager";
|
|
|
|
|
case 0x0B:
|
|
|
|
|
return "FAT32";
|
|
|
|
|
case 0x0C:
|
|
|
|
|
return "FAT32 (LBA)";
|
|
|
|
|
case 0x0E:
|
|
|
|
|
return "FAT16 (LBA)";
|
|
|
|
|
case 0x0F:
|
|
|
|
|
return "Extended (LBA)";
|
|
|
|
|
case 0x10:
|
|
|
|
|
return "OPUS";
|
|
|
|
|
case 0x11:
|
|
|
|
|
return "Hidden FAT12";
|
|
|
|
|
case 0x12:
|
|
|
|
|
return "Compaq diagnostics, recovery partition";
|
|
|
|
|
case 0x14:
|
|
|
|
|
return "Hidden FAT16 < 32 MiB, AST-DOS";
|
|
|
|
|
case 0x16:
|
|
|
|
|
return "Hidden FAT16";
|
|
|
|
|
case 0x17:
|
|
|
|
|
return "Hidden IFS (HPFS/NTFS)";
|
|
|
|
|
case 0x18:
|
|
|
|
|
return "AST-Windows swap";
|
|
|
|
|
case 0x19:
|
|
|
|
|
return "Willowtech Photon coS";
|
|
|
|
|
case 0x1B:
|
|
|
|
|
return "Hidden FAT32";
|
|
|
|
|
case 0x1C:
|
|
|
|
|
return "Hidden FAT32 (LBA)";
|
|
|
|
|
case 0x1E:
|
|
|
|
|
return "Hidden FAT16 (LBA)";
|
|
|
|
|
case 0x20:
|
|
|
|
|
return "Willowsoft Overture File System";
|
|
|
|
|
case 0x21:
|
|
|
|
|
return "Oxygen FSo2";
|
|
|
|
|
case 0x22:
|
|
|
|
|
return "Oxygen Extended ";
|
|
|
|
|
case 0x23:
|
|
|
|
|
return "SpeedStor reserved";
|
|
|
|
|
case 0x24:
|
|
|
|
|
return "NEC-DOS";
|
|
|
|
|
case 0x26:
|
|
|
|
|
return "SpeedStor reserved";
|
|
|
|
|
case 0x27:
|
|
|
|
|
return "Hidden NTFS";
|
|
|
|
|
case 0x31:
|
|
|
|
|
return "SpeedStor reserved";
|
|
|
|
|
case 0x33:
|
|
|
|
|
return "SpeedStor reserved";
|
|
|
|
|
case 0x34:
|
|
|
|
|
return "SpeedStor reserved";
|
|
|
|
|
case 0x36:
|
|
|
|
|
return "SpeedStor reserved";
|
|
|
|
|
case 0x38:
|
|
|
|
|
return "Theos";
|
|
|
|
|
case 0x39:
|
|
|
|
|
return "Plan 9";
|
|
|
|
|
case 0x3C:
|
|
|
|
|
return "Partition Magic";
|
|
|
|
|
case 0x3D:
|
|
|
|
|
return "Hidden NetWare";
|
|
|
|
|
case 0x40:
|
|
|
|
|
return "VENIX 80286";
|
|
|
|
|
case 0x41:
|
|
|
|
|
return "PReP Boot";
|
|
|
|
|
case 0x42:
|
|
|
|
|
return "Secure File System";
|
|
|
|
|
case 0x43:
|
|
|
|
|
return "PTS-DOS";
|
|
|
|
|
case 0x45:
|
|
|
|
|
return "Priam, EUMEL/Elan";
|
|
|
|
|
case 0x46:
|
|
|
|
|
return "EUMEL/Elan";
|
|
|
|
|
case 0x47:
|
|
|
|
|
return "EUMEL/Elan";
|
|
|
|
|
case 0x48:
|
|
|
|
|
return "EUMEL/Elan";
|
|
|
|
|
case 0x4A:
|
|
|
|
|
return "ALFS/THIN lightweight filesystem for DOS";
|
|
|
|
|
case 0x4D:
|
|
|
|
|
return "QNX 4";
|
|
|
|
|
case 0x4E:
|
|
|
|
|
return "QNX 4";
|
|
|
|
|
case 0x4F:
|
|
|
|
|
return "QNX 4, Oberon";
|
|
|
|
|
case 0x50:
|
|
|
|
|
return "Ontrack DM, R/O, FAT";
|
|
|
|
|
case 0x51:
|
|
|
|
|
return "Ontrack DM, R/W, FAT";
|
|
|
|
|
case 0x52:
|
|
|
|
|
return "CP/M, Microport UNIX";
|
|
|
|
|
case 0x53:
|
|
|
|
|
return "Ontrack DM 6";
|
|
|
|
|
case 0x54:
|
|
|
|
|
return "Ontrack DM 6";
|
|
|
|
|
case 0x55:
|
|
|
|
|
return "EZ-Drive";
|
|
|
|
|
case 0x56:
|
|
|
|
|
return "Golden Bow VFeature";
|
|
|
|
|
case 0x5C:
|
|
|
|
|
return "Priam EDISK";
|
|
|
|
|
case 0x61:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0x63:
|
|
|
|
|
return "GNU Hurd, System V, 386/ix";
|
|
|
|
|
case 0x64:
|
|
|
|
|
return "NetWare 286";
|
|
|
|
|
case 0x65:
|
|
|
|
|
return "NetWare";
|
|
|
|
|
case 0x66:
|
|
|
|
|
return "NetWare 386";
|
|
|
|
|
case 0x67:
|
|
|
|
|
return "NetWare";
|
|
|
|
|
case 0x68:
|
|
|
|
|
return "NetWare";
|
|
|
|
|
case 0x69:
|
|
|
|
|
return "NetWare NSS";
|
|
|
|
|
case 0x70:
|
|
|
|
|
return "DiskSecure Multi-Boot";
|
|
|
|
|
case 0x72:
|
|
|
|
|
return "UNIX 7th Edition";
|
|
|
|
|
case 0x75:
|
|
|
|
|
return "IBM PC/IX";
|
|
|
|
|
case 0x80:
|
|
|
|
|
return "Old MINIX";
|
|
|
|
|
case 0x81:
|
|
|
|
|
return "MINIX, Old Linux";
|
|
|
|
|
case 0x82:
|
|
|
|
|
return "Linux swap, Solaris";
|
|
|
|
|
case 0x83:
|
|
|
|
|
return "Linux";
|
|
|
|
|
case 0x84:
|
|
|
|
|
return "Hidden by OS/2, APM hibernation";
|
|
|
|
|
case 0x85:
|
|
|
|
|
return "Linux extended";
|
|
|
|
|
case 0x86:
|
|
|
|
|
return "NT Stripe Set";
|
|
|
|
|
case 0x87:
|
|
|
|
|
return "NT Stripe Set";
|
|
|
|
|
case 0x88:
|
|
|
|
|
return "Linux Plaintext";
|
|
|
|
|
case 0x8E:
|
|
|
|
|
return "Linux LVM";
|
|
|
|
|
case 0x93:
|
|
|
|
|
return "Amoeba, Hidden Linux";
|
|
|
|
|
case 0x94:
|
|
|
|
|
return "Amoeba bad blocks";
|
|
|
|
|
case 0x99:
|
|
|
|
|
return "Mylex EISA SCSI";
|
|
|
|
|
case 0x9F:
|
|
|
|
|
return "BSD/OS";
|
|
|
|
|
case 0xA0:
|
|
|
|
|
return "Hibernation";
|
|
|
|
|
case 0xA1:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xA3:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xA4:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xA5:
|
|
|
|
|
return "FreeBSD";
|
|
|
|
|
case 0xA6:
|
|
|
|
|
return "OpenBSD";
|
|
|
|
|
case 0xA7:
|
|
|
|
|
return "NeXTStep";
|
|
|
|
|
case 0xA8:
|
|
|
|
|
return "Apple UFS";
|
|
|
|
|
case 0xA9:
|
|
|
|
|
return "NetBSD";
|
|
|
|
|
case 0xAA:
|
|
|
|
|
return "Olivetti DOS FAT12";
|
|
|
|
|
case 0xAB:
|
|
|
|
|
return "Apple Boot";
|
|
|
|
|
case 0xAF:
|
|
|
|
|
return "Apple HFS";
|
|
|
|
|
case 0xB0:
|
|
|
|
|
return "BootStar";
|
|
|
|
|
case 0xB1:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xB3:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xB4:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xB6:
|
|
|
|
|
return "HP Volume Expansion";
|
|
|
|
|
case 0xB7:
|
|
|
|
|
return "BSDi";
|
|
|
|
|
case 0xB8:
|
|
|
|
|
return "BSDi swap";
|
|
|
|
|
case 0xBB:
|
|
|
|
|
return "PTS BootWizard";
|
|
|
|
|
case 0xBE:
|
|
|
|
|
return "Solaris boot";
|
|
|
|
|
case 0xBF:
|
|
|
|
|
return "Solaris";
|
|
|
|
|
case 0xC0:
|
|
|
|
|
return "Novell DOS, DR-DOS secured";
|
|
|
|
|
case 0xC1:
|
|
|
|
|
return "DR-DOS secured FAT12";
|
|
|
|
|
case 0xC2:
|
|
|
|
|
return "DR-DOS reserved";
|
|
|
|
|
case 0xC3:
|
|
|
|
|
return "DR-DOS reserved";
|
|
|
|
|
case 0xC4:
|
|
|
|
|
return "DR-DOS secured FAT16 < 32 MiB";
|
|
|
|
|
case 0xC6:
|
|
|
|
|
return "DR-DOS secured FAT16";
|
|
|
|
|
case 0xC7:
|
|
|
|
|
return "Syrinx";
|
|
|
|
|
case 0xC8:
|
|
|
|
|
return "DR-DOS reserved";
|
|
|
|
|
case 0xC9:
|
|
|
|
|
return "DR-DOS reserved";
|
|
|
|
|
case 0xCA:
|
|
|
|
|
return "DR-DOS reserved";
|
|
|
|
|
case 0xCB:
|
|
|
|
|
return "DR-DOS secured FAT32";
|
|
|
|
|
case 0xCC:
|
|
|
|
|
return "DR-DOS secured FAT32 (LBA)";
|
|
|
|
|
case 0xCD:
|
|
|
|
|
return "DR-DOS reserved";
|
|
|
|
|
case 0xCE:
|
|
|
|
|
return "DR-DOS secured FAT16 (LBA)";
|
|
|
|
|
case 0xCF:
|
|
|
|
|
return "DR-DOS secured extended (LBA)";
|
|
|
|
|
case 0xD0:
|
|
|
|
|
return "Multiuser DOS secured FAT12";
|
|
|
|
|
case 0xD1:
|
|
|
|
|
return "Multiuser DOS secured FAT12";
|
|
|
|
|
case 0xD4:
|
|
|
|
|
return "Multiuser DOS secured FAT16 < 32 MiB";
|
|
|
|
|
case 0xD5:
|
|
|
|
|
return "Multiuser DOS secured extended";
|
|
|
|
|
case 0xD6:
|
|
|
|
|
return "Multiuser DOS secured FAT16";
|
|
|
|
|
case 0xD8:
|
|
|
|
|
return "CP/M";
|
|
|
|
|
case 0xDA:
|
|
|
|
|
return "Filesystem-less data";
|
|
|
|
|
case 0xDB:
|
|
|
|
|
return "CP/M, CCP/M, CTOS";
|
|
|
|
|
case 0xDE:
|
|
|
|
|
return "Dell partition";
|
|
|
|
|
case 0xDF:
|
|
|
|
|
return "BootIt EMBRM";
|
|
|
|
|
case 0xE1:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xE2:
|
|
|
|
|
return "DOS read/only";
|
|
|
|
|
case 0xE3:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xE4:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xE5:
|
|
|
|
|
return "Tandy DOS";
|
|
|
|
|
case 0xE6:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xEB:
|
|
|
|
|
return "BeOS";
|
|
|
|
|
case 0xED:
|
|
|
|
|
return "Spryt*x";
|
|
|
|
|
case 0xEE:
|
|
|
|
|
return "Guid Partition Table";
|
|
|
|
|
case 0xEF:
|
|
|
|
|
return "EFI system partition";
|
|
|
|
|
case 0xF0:
|
|
|
|
|
return "Linux boot";
|
|
|
|
|
case 0xF1:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xF2:
|
|
|
|
|
return "DOS 3.3 secondary, Unisys DOS";
|
|
|
|
|
case 0xF3:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xF4:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xF5:
|
|
|
|
|
return "Prologue";
|
|
|
|
|
case 0xF6:
|
|
|
|
|
return "SpeedStor";
|
|
|
|
|
case 0xFB:
|
|
|
|
|
return "VMWare VMFS";
|
|
|
|
|
case 0xFC:
|
|
|
|
|
return "VMWare VMKCORE";
|
|
|
|
|
case 0xFD:
|
|
|
|
|
return "Linux RAID, FreeDOS";
|
|
|
|
|
case 0xFE:
|
|
|
|
|
return "SpeedStor, LANStep, PS/2 IML";
|
|
|
|
|
case 0xFF:
|
|
|
|
|
return "Xenix bad block";
|
|
|
|
|
default:
|
|
|
|
|
return "Unknown";
|
|
|
|
|
}
|
|
|
|
|
}
|
2012-08-07 06:20:13 +00:00
|
|
|
|
2017-07-24 04:05:38 +01:00
|
|
|
public const ushort MBR_Magic = 0xAA55;
|
|
|
|
|
public const ushort NEC_Magic = 0xA55A;
|
|
|
|
|
public const ushort DM_Magic = 0x55AA;
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct MasterBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 446)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary>Partitions</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: IBM Boot Manager
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct ExtendedBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code, almost always unused</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 446)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary>Partitions or pointers</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct TimedMasterBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 218)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary>Set to 0</summary>
|
|
|
|
|
public ushort zero;
|
|
|
|
|
/// <summary>Original physical drive</summary>
|
|
|
|
|
public byte drive;
|
|
|
|
|
/// <summary>Disk timestamp, seconds</summary>
|
|
|
|
|
public byte seconds;
|
|
|
|
|
/// <summary>Disk timestamp, minutes</summary>
|
|
|
|
|
public byte minutes;
|
|
|
|
|
/// <summary>Disk timestamp, hours</summary>
|
|
|
|
|
public byte hours;
|
|
|
|
|
/// <summary>Boot code, continuation</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 222)]
|
|
|
|
|
public byte[] boot_code2;
|
|
|
|
|
/// <summary>Partitions</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct SerializedMasterBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 440)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary>Disk serial number</summary>
|
|
|
|
|
public uint serial;
|
|
|
|
|
/// <summary>Set to 0</summary>
|
|
|
|
|
public ushort zero;
|
|
|
|
|
/// <summary>Partitions</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct ModernMasterBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 218)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary>Set to 0</summary>
|
|
|
|
|
public ushort zero;
|
|
|
|
|
/// <summary>Original physical drive</summary>
|
|
|
|
|
public byte drive;
|
|
|
|
|
/// <summary>Disk timestamp, seconds</summary>
|
|
|
|
|
public byte seconds;
|
|
|
|
|
/// <summary>Disk timestamp, minutes</summary>
|
|
|
|
|
public byte minutes;
|
|
|
|
|
/// <summary>Disk timestamp, hours</summary>
|
|
|
|
|
public byte hours;
|
|
|
|
|
/// <summary>Boot code, continuation</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 216)]
|
|
|
|
|
public byte[] boot_code2;
|
|
|
|
|
/// <summary>Disk serial number</summary>
|
|
|
|
|
public uint serial;
|
|
|
|
|
/// <summary>Set to 0</summary>
|
|
|
|
|
public ushort zero2;
|
|
|
|
|
/// <summary>Partitions</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct NecMasterBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 380)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary><see cref="NEC_Magic"/></summary>
|
|
|
|
|
public ushort nec_magic;
|
|
|
|
|
/// <summary>Partitions</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
|
|
|
public struct DiskManagerMasterBootRecord
|
|
|
|
|
{
|
|
|
|
|
/// <summary>Boot code</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 252)]
|
|
|
|
|
public byte[] boot_code;
|
|
|
|
|
/// <summary><see cref="DM_Magic"/></summary>
|
|
|
|
|
public ushort dm_magic;
|
|
|
|
|
/// <summary>Partitions</summary>
|
|
|
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
|
|
|
|
|
public MBRPartitionEntry[] entries;
|
|
|
|
|
/// <summary><see cref="MBR_Magic"/></summary>
|
|
|
|
|
public ushort magic;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
2014-04-14 01:14:20 +00:00
|
|
|
public struct MBRPartitionEntry
|
|
|
|
|
{
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Partition status, 0x80 or 0x00, else invalid</summary>
|
2014-04-14 01:14:20 +00:00
|
|
|
public byte status;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Starting head [0,254]</summary>
|
2014-04-14 01:14:20 +00:00
|
|
|
public byte start_head;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Starting sector [1,63]</summary>
|
2014-04-14 01:14:20 +00:00
|
|
|
public byte start_sector;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Starting cylinder [0,1023]</summary>
|
|
|
|
|
public byte start_cylinder;
|
|
|
|
|
/// <summary>Partition type</summary>
|
2014-04-14 01:14:20 +00:00
|
|
|
public byte type;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Ending head [0,254]</summary>
|
2014-04-14 01:14:20 +00:00
|
|
|
public byte end_head;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Ending sector [1,63]</summary>
|
2014-04-14 01:14:20 +00:00
|
|
|
public byte end_sector;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Ending cylinder [0,1023]</summary>
|
|
|
|
|
public byte end_cylinder;
|
|
|
|
|
/// <summary>Starting absolute sector</summary>
|
2016-07-28 22:25:26 +01:00
|
|
|
public uint lba_start;
|
2017-07-24 04:05:38 +01:00
|
|
|
/// <summary>Total sectors</summary>
|
2016-07-28 22:25:26 +01:00
|
|
|
public uint lba_sectors;
|
2014-04-14 01:14:20 +00:00
|
|
|
}
|
|
|
|
|
}
|
2011-03-25 10:39:11 +00:00
|
|
|
}
|
