mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
297 lines
12 KiB
C#
297 lines
12 KiB
C#
// /***************************************************************************
|
|
// The Disc Image Chef
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : NTFS.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : Microsoft NT File System plugin.
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Identifies the Microsoft NT File System and shows information.
|
|
//
|
|
// --[ License ] --------------------------------------------------------------
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as
|
|
// published by the Free Software Foundation; either version 2.1 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful, but
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
//
|
|
// ----------------------------------------------------------------------------
|
|
// Copyright © 2011-2018 Natalia Portillo
|
|
// ****************************************************************************/
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Runtime.InteropServices;
|
|
using System.Text;
|
|
using DiscImageChef.Checksums;
|
|
using DiscImageChef.CommonTypes;
|
|
|
|
namespace DiscImageChef.Filesystems
|
|
{
|
|
// Information from Inside Windows NT
|
|
public class NTFS : Filesystem
|
|
{
|
|
public NTFS()
|
|
{
|
|
Name = "New Technology File System (NTFS)";
|
|
PluginUUID = new Guid("33513B2C-1e6d-4d21-a660-0bbc789c3871");
|
|
CurrentEncoding = Encoding.Unicode;
|
|
}
|
|
|
|
public NTFS(Encoding encoding)
|
|
{
|
|
Name = "New Technology File System (NTFS)";
|
|
PluginUUID = new Guid("33513B2C-1e6d-4d21-a660-0bbc789c3871");
|
|
CurrentEncoding = Encoding.Unicode;
|
|
}
|
|
|
|
public NTFS(DiscImages.ImagePlugin imagePlugin, Partition partition, Encoding encoding)
|
|
{
|
|
Name = "New Technology File System (NTFS)";
|
|
PluginUUID = new Guid("33513B2C-1e6d-4d21-a660-0bbc789c3871");
|
|
CurrentEncoding = Encoding.Unicode;
|
|
}
|
|
|
|
public override bool Identify(DiscImages.ImagePlugin imagePlugin, Partition partition)
|
|
{
|
|
if((2 + partition.Start) >= partition.End) return false;
|
|
|
|
byte[] eigth_bytes = new byte[8];
|
|
byte fats_no;
|
|
ushort spfat, signature;
|
|
string oem_name;
|
|
|
|
byte[] ntfs_bpb = imagePlugin.ReadSector(0 + partition.Start);
|
|
|
|
Array.Copy(ntfs_bpb, 0x003, eigth_bytes, 0, 8);
|
|
oem_name = StringHandlers.CToString(eigth_bytes);
|
|
|
|
if(oem_name != "NTFS ") return false;
|
|
|
|
fats_no = ntfs_bpb[0x010];
|
|
|
|
if(fats_no != 0) return false;
|
|
|
|
spfat = BitConverter.ToUInt16(ntfs_bpb, 0x016);
|
|
|
|
if(spfat != 0) return false;
|
|
|
|
signature = BitConverter.ToUInt16(ntfs_bpb, 0x1FE);
|
|
|
|
return signature == 0xAA55;
|
|
}
|
|
|
|
public override void GetInformation(DiscImages.ImagePlugin imagePlugin, Partition partition,
|
|
out string information)
|
|
{
|
|
information = "";
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
byte[] ntfs_bpb = imagePlugin.ReadSector(0 + partition.Start);
|
|
|
|
NTFS_BootBlock ntfs_bb = new NTFS_BootBlock();
|
|
IntPtr bpbPtr = Marshal.AllocHGlobal(512);
|
|
Marshal.Copy(ntfs_bpb, 0, bpbPtr, 512);
|
|
ntfs_bb = (NTFS_BootBlock)Marshal.PtrToStructure(bpbPtr, typeof(NTFS_BootBlock));
|
|
Marshal.FreeHGlobal(bpbPtr);
|
|
|
|
byte[] oem_name = new byte[8];
|
|
|
|
sb.AppendFormat("{0} bytes per sector", ntfs_bb.bps).AppendLine();
|
|
sb.AppendFormat("{0} sectors per cluster ({1} bytes)", ntfs_bb.spc, ntfs_bb.spc * ntfs_bb.bps).AppendLine();
|
|
// sb.AppendFormat("{0} reserved sectors", ntfs_bb.rsectors).AppendLine();
|
|
// sb.AppendFormat("{0} FATs", ntfs_bb.fats_no).AppendLine();
|
|
// sb.AppendFormat("{0} entries in the root folder", ntfs_bb.root_ent).AppendLine();
|
|
// sb.AppendFormat("{0} sectors on volume (small)", ntfs_bb.sml_sectors).AppendLine();
|
|
sb.AppendFormat("Media descriptor: 0x{0:X2}", ntfs_bb.media).AppendLine();
|
|
// sb.AppendFormat("{0} sectors per FAT", ntfs_bb.spfat).AppendLine();
|
|
sb.AppendFormat("{0} sectors per track", ntfs_bb.sptrk).AppendLine();
|
|
sb.AppendFormat("{0} heads", ntfs_bb.heads).AppendLine();
|
|
sb.AppendFormat("{0} hidden sectors before filesystem", ntfs_bb.hsectors).AppendLine();
|
|
// sb.AppendFormat("{0} sectors on volume (big)", ntfs_bb.big_sectors).AppendLine();
|
|
sb.AppendFormat("BIOS drive number: 0x{0:X2}", ntfs_bb.drive_no).AppendLine();
|
|
// sb.AppendFormat("NT flags: 0x{0:X2}", ntfs_bb.nt_flags).AppendLine();
|
|
// sb.AppendFormat("Signature 1: 0x{0:X2}", ntfs_bb.signature1).AppendLine();
|
|
sb.AppendFormat("{0} sectors on volume ({1} bytes)", ntfs_bb.sectors, ntfs_bb.sectors * ntfs_bb.bps)
|
|
.AppendLine();
|
|
sb.AppendFormat("Cluster where $MFT starts: {0}", ntfs_bb.mft_lsn).AppendLine();
|
|
sb.AppendFormat("Cluster where $MFTMirr starts: {0}", ntfs_bb.mftmirror_lsn).AppendLine();
|
|
|
|
if(ntfs_bb.mft_rc_clusters > 0)
|
|
sb.AppendFormat("{0} clusters per MFT record ({1} bytes)", ntfs_bb.mft_rc_clusters,
|
|
ntfs_bb.mft_rc_clusters * ntfs_bb.bps * ntfs_bb.spc).AppendLine();
|
|
else sb.AppendFormat("{0} bytes per MFT record", 1 << -ntfs_bb.mft_rc_clusters).AppendLine();
|
|
if(ntfs_bb.index_blk_cts > 0)
|
|
sb.AppendFormat("{0} clusters per Index block ({1} bytes)", ntfs_bb.index_blk_cts,
|
|
ntfs_bb.index_blk_cts * ntfs_bb.bps * ntfs_bb.spc).AppendLine();
|
|
else sb.AppendFormat("{0} bytes per Index block", 1 << -ntfs_bb.index_blk_cts).AppendLine();
|
|
|
|
sb.AppendFormat("Volume serial number: {0:X16}", ntfs_bb.serial_no).AppendLine();
|
|
// sb.AppendFormat("Signature 2: 0x{0:X4}", ntfs_bb.signature2).AppendLine();
|
|
|
|
xmlFSType = new Schemas.FileSystemType();
|
|
|
|
if(ntfs_bb.jump[0] == 0xEB && ntfs_bb.jump[1] > 0x4E && ntfs_bb.jump[1] < 0x80 &&
|
|
ntfs_bb.signature2 == 0xAA55)
|
|
{
|
|
xmlFSType.Bootable = true;
|
|
Sha1Context sha1Ctx = new Sha1Context();
|
|
sha1Ctx.Init();
|
|
string bootChk = sha1Ctx.Data(ntfs_bb.boot_code, out byte[] sha1_out);
|
|
sb.AppendLine("Volume is bootable");
|
|
sb.AppendFormat("Boot code's SHA1: {0}", bootChk).AppendLine();
|
|
}
|
|
|
|
xmlFSType.ClusterSize = ntfs_bb.spc * ntfs_bb.bps;
|
|
xmlFSType.Clusters = ntfs_bb.sectors / ntfs_bb.spc;
|
|
xmlFSType.VolumeSerial = string.Format("{0:X16}", ntfs_bb.serial_no);
|
|
xmlFSType.Type = "NTFS";
|
|
|
|
information = sb.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// NTFS $BOOT
|
|
/// </summary>
|
|
[StructLayout(LayoutKind.Sequential, Pack = 1)]
|
|
struct NTFS_BootBlock
|
|
{
|
|
// Start of BIOS Parameter Block
|
|
/// <summary>0x000, Jump to boot code</summary>
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)] public byte[] jump;
|
|
/// <summary>0x003, OEM Name, 8 bytes, space-padded, must be "NTFS "</summary>
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public byte[] oem_name;
|
|
/// <summary>0x00B, Bytes per sector</summary>
|
|
public ushort bps;
|
|
/// <summary>0x00D, Sectors per cluster</summary>
|
|
public byte spc;
|
|
/// <summary>0x00E, Reserved sectors, seems 0</summary>
|
|
public ushort rsectors;
|
|
/// <summary>0x010, Number of FATs... obviously, 0</summary>
|
|
public byte fats_no;
|
|
/// <summary>0x011, Number of entries on root directory... 0</summary>
|
|
public ushort root_ent;
|
|
/// <summary>0x013, Sectors in volume... 0</summary>
|
|
public ushort sml_sectors;
|
|
/// <summary>0x015, Media descriptor</summary>
|
|
public byte media;
|
|
/// <summary>0x016, Sectors per FAT... 0</summary>
|
|
public ushort spfat;
|
|
/// <summary>0x018, Sectors per track, required to boot</summary>
|
|
public ushort sptrk;
|
|
/// <summary>0x01A, Heads... required to boot</summary>
|
|
public ushort heads;
|
|
/// <summary>0x01C, Hidden sectors before BPB</summary>
|
|
public uint hsectors;
|
|
/// <summary>0x020, Sectors in volume if > 65535... 0</summary>
|
|
public uint big_sectors;
|
|
/// <summary>0x024, Drive number</summary>
|
|
public byte drive_no;
|
|
/// <summary>0x025, 0</summary>
|
|
public byte nt_flags;
|
|
/// <summary>0x026, EPB signature, 0x80</summary>
|
|
public byte signature1;
|
|
/// <summary>0x027, Alignment</summary>
|
|
public byte dummy;
|
|
// End of BIOS Parameter Block
|
|
|
|
// Start of NTFS real superblock
|
|
/// <summary>0x028, Sectors on volume</summary>
|
|
public long sectors;
|
|
/// <summary>0x030, LSN of $MFT</summary>
|
|
public long mft_lsn;
|
|
/// <summary>0x038, LSN of $MFTMirror</summary>
|
|
public long mftmirror_lsn;
|
|
/// <summary>0x040, Clusters per MFT record</summary>
|
|
public sbyte mft_rc_clusters;
|
|
/// <summary>0x041, Alignment</summary>
|
|
public byte dummy2;
|
|
/// <summary>0x042, Alignment</summary>
|
|
public ushort dummy3;
|
|
/// <summary>0x044, Clusters per index block</summary>
|
|
public sbyte index_blk_cts;
|
|
/// <summary>0x045, Alignment</summary>
|
|
public byte dummy4;
|
|
/// <summary>0x046, Alignment</summary>
|
|
public ushort dummy5;
|
|
/// <summary>0x048, Volume serial number</summary>
|
|
public ulong serial_no;
|
|
/// <summary>Boot code.</summary>
|
|
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 430)] public byte[] boot_code;
|
|
/// <summary>0x1FE, 0xAA55</summary>
|
|
public ushort signature2;
|
|
}
|
|
|
|
public override Errno Mount()
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno Mount(bool debug)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno Unmount()
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno MapBlock(string path, long fileBlock, ref long deviceBlock)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno GetAttributes(string path, ref FileAttributes attributes)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno ListXAttr(string path, ref List<string> xattrs)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno GetXattr(string path, string xattr, ref byte[] buf)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno Read(string path, long offset, long size, ref byte[] buf)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno ReadDir(string path, ref List<string> contents)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno StatFs(ref FileSystemInfo stat)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno Stat(string path, ref FileEntryInfo stat)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
|
|
public override Errno ReadLink(string path, ref string dest)
|
|
{
|
|
return Errno.NotImplemented;
|
|
}
|
|
}
|
|
} |