From f081f6b221169fa53e9164d60231d2437fe65038 Mon Sep 17 00:00:00 2001 From: Natalia Portillo Date: Wed, 14 Sep 2016 00:13:14 +0100 Subject: [PATCH] Adds support for VMware filesystem. Closes #22. --- .../DiscImageChef.Filesystems.csproj | 1 + DiscImageChef.Filesystems/VMfs.cs | 202 ++++++++++++++++++ README.md | 1 + TODO | 1 - 4 files changed, 204 insertions(+), 1 deletion(-) create mode 100644 DiscImageChef.Filesystems/VMfs.cs diff --git a/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj b/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj index ced21eeaa..80193c96e 100644 --- a/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj +++ b/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj @@ -107,6 +107,7 @@ + diff --git a/DiscImageChef.Filesystems/VMfs.cs b/DiscImageChef.Filesystems/VMfs.cs new file mode 100644 index 000000000..e07d112a9 --- /dev/null +++ b/DiscImageChef.Filesystems/VMfs.cs @@ -0,0 +1,202 @@ +// /*************************************************************************** +// The Disc Image Chef +// ---------------------------------------------------------------------------- +// +// Filename : VMfs.cs +// Author(s) : Natalia Portillo +// +// Component : Amiga Fast File System plugin. +// +// --[ Description ] ---------------------------------------------------------- +// +// Identifies the VMware 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 . +// +// ---------------------------------------------------------------------------- +// Copyright © 2011-2016 Natalia Portillo +// ****************************************************************************/ + +using System; +using System.Collections.Generic; +using System.Runtime.InteropServices; +using System.Text; + +namespace DiscImageChef.Filesystems +{ + class VMfs : Filesystem + { + public VMfs() + { + Name = "VMware filesystem"; + PluginUUID = new Guid("EE52BDB8-B49C-4122-A3DA-AD21CBE79843"); + } + + public VMfs(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd) + { + Name = "VMware filesystem"; + PluginUUID = new Guid("EE52BDB8-B49C-4122-A3DA-AD21CBE79843"); + } + + [Flags] + enum VMfsFlags : byte + { + RecyledFolder = 64, + CaseSensitive = 128 + } + + [StructLayout(LayoutKind.Sequential, Pack = 1)] + struct VolumeInfo + { + public uint magic; + public uint version; + [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)] + public byte[] unknown1; + public byte lun; + [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)] + public byte[] unknown2; + [MarshalAs(UnmanagedType.ByValArray, SizeConst = 28)] + public byte[] name; + [MarshalAs(UnmanagedType.ByValArray, SizeConst = 49)] + public byte[] unknown3; + public uint size; + [MarshalAs(UnmanagedType.ByValArray, SizeConst = 31)] + public byte[] unknown4; + public Guid uuid; + public ulong ctime; + public ulong mtime; + } + + /// + /// Identifier for VMfs + /// + const uint VMfs_MAGIC = 0xC001D00D; + const uint VMfs_Base = 0x00100000; + + public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd) + { + if(partitionStart >= partitionEnd) + return false; + + ulong vmfsSuperOff = VMfs_Base / imagePlugin.ImageInfo.sectorSize; + byte[] sector = imagePlugin.ReadSector(partitionStart + vmfsSuperOff); + + uint magic = BitConverter.ToUInt32(sector, 0x00); + + return magic == VMfs_MAGIC; + } + + public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd, out string information) + { + ulong vmfsSuperOff = VMfs_Base / imagePlugin.ImageInfo.sectorSize; + byte[] sector = imagePlugin.ReadSector(partitionStart + vmfsSuperOff); + + VolumeInfo volInfo = new VolumeInfo(); + IntPtr volInfoPtr = Marshal.AllocHGlobal(Marshal.SizeOf(volInfo)); + Marshal.Copy(sector, 0, volInfoPtr, Marshal.SizeOf(volInfo)); + volInfo = (VolumeInfo)Marshal.PtrToStructure(volInfoPtr, typeof(VolumeInfo)); + Marshal.FreeHGlobal(volInfoPtr); + + StringBuilder sbInformation = new StringBuilder(); + + sbInformation.AppendLine("VMware file system"); + + uint ctimeSecs = (uint)(volInfo.ctime / 1000000); + uint ctimeNanoSecs = (uint)(volInfo.ctime % 1000000); + uint mtimeSecs = (uint)(volInfo.mtime / 1000000); + uint mtimeNanoSecs = (uint)(volInfo.mtime % 1000000); + + sbInformation.AppendFormat("Volume version {0}", volInfo.version).AppendLine(); + sbInformation.AppendFormat("Volume name {0}", StringHandlers.CToString(volInfo.name)).AppendLine(); + sbInformation.AppendFormat("Volume size {0} bytes", volInfo.size * 256).AppendLine(); + sbInformation.AppendFormat("Volume UUID {0}", volInfo.uuid).AppendLine(); + sbInformation.AppendFormat("Volume created on {0}", DateHandlers.UNIXUnsignedToDateTime(ctimeSecs, ctimeNanoSecs)).AppendLine(); + sbInformation.AppendFormat("Volume last modified on {0}", DateHandlers.UNIXUnsignedToDateTime(mtimeSecs, mtimeNanoSecs)).AppendLine(); + + information = sbInformation.ToString(); + + xmlFSType = new Schemas.FileSystemType(); + xmlFSType.Type = "VMware file system"; + xmlFSType.CreationDate = DateHandlers.UNIXUnsignedToDateTime(ctimeSecs, ctimeNanoSecs); + xmlFSType.CreationDateSpecified = true; + xmlFSType.ModificationDate = DateHandlers.UNIXUnsignedToDateTime(mtimeSecs, mtimeNanoSecs); + xmlFSType.ModificationDateSpecified = true; + xmlFSType.Clusters = volInfo.size * 256 / imagePlugin.ImageInfo.sectorSize; + xmlFSType.ClusterSize = (int)imagePlugin.ImageInfo.sectorSize; + xmlFSType.VolumeSerial = volInfo.uuid.ToString(); + } + + 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 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 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; + } + } +} \ No newline at end of file diff --git a/README.md b/README.md index fb2a8594a..af068e238 100644 --- a/README.md +++ b/README.md @@ -133,6 +133,7 @@ Supported file systems for identification and information only * SGI XFS * Professional File System * SmartFileSystem +* VMware file system (VMFS) Supported checksums =================== diff --git a/TODO b/TODO index 1306cf594..8f1ccb53e 100644 --- a/TODO +++ b/TODO @@ -15,7 +15,6 @@ Filesystem plugins: --- Add support for UDF --- Add support for CramFS --- Add support for VxFS ---- Add support for VMWare filesystem --- Add support for NwFS --- Add support for Squashfs --- Add support for X-Box filesystems