mirror of
https://github.com/aaru-dps/Aaru.Server.git
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288 lines
12 KiB
C#
288 lines
12 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : QNX6.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Component
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Identifies the QNX6 filesystem and shows information.
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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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// Copyright © 2011-2017 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace DiscImageChef.Filesystems
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{
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class QNX6 : Filesystem
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{
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct QNX6_RootNode
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{
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public ulong size;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public uint[] pointers;
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public byte levels;
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public byte mode;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)]
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public byte[] spare;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct QNX6_SuperBlock
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{
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public uint magic;
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public uint checksum;
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public ulong serial;
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public uint ctime;
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public uint atime;
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public uint flags;
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public ushort version1;
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public ushort version2;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] volumeid;
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public uint blockSize;
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public uint numInodes;
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public uint freeInodes;
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public uint numBlocks;
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public uint freeBlocks;
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public uint allocationGroup;
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public QNX6_RootNode inode;
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public QNX6_RootNode bitmap;
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public QNX6_RootNode longfile;
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public QNX6_RootNode unknown;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct QNX6_AudiSuperBlock
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{
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public uint magic;
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public uint checksum;
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public ulong serial;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public byte[] spare1;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 12)]
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public byte[] id;
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public uint blockSize;
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public uint numInodes;
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public uint freeInodes;
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public uint numBlocks;
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public uint freeBlocks;
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public uint spare2;
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public QNX6_RootNode inode;
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public QNX6_RootNode bitmap;
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public QNX6_RootNode longfile;
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public QNX6_RootNode unknown;
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}
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const uint QNX6_SuperBlockSize = 0x1000;
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const uint QNX6_BootBlocksSize = 0x2000;
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const uint QNX6_Magic = 0x68191122;
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public QNX6()
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{
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Name = "QNX6 Plugin";
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PluginUUID = new Guid("3E610EA2-4D08-4D70-8947-830CD4C74FC0");
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}
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public QNX6(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd)
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{
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Name = "QNX6 Plugin";
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PluginUUID = new Guid("3E610EA2-4D08-4D70-8947-830CD4C74FC0");
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}
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public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd)
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{
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uint sectors = QNX6_SuperBlockSize / imagePlugin.GetSectorSize();
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uint bootSectors = QNX6_BootBlocksSize / imagePlugin.GetSectorSize();
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byte[] audiSector = imagePlugin.ReadSectors(partitionStart, sectors);
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byte[] sector = imagePlugin.ReadSectors(partitionStart + bootSectors, sectors);
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if(sector.Length < QNX6_SuperBlockSize)
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return false;
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QNX6_AudiSuperBlock audiSb = new QNX6_AudiSuperBlock();
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IntPtr audiPtr = Marshal.AllocHGlobal(Marshal.SizeOf(audiSb));
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Marshal.Copy(audiSector, 0, audiPtr, Marshal.SizeOf(audiSb));
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audiSb = (QNX6_AudiSuperBlock)Marshal.PtrToStructure(audiPtr, typeof(QNX6_AudiSuperBlock));
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Marshal.FreeHGlobal(audiPtr);
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QNX6_SuperBlock qnxSb = new QNX6_SuperBlock();
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IntPtr sbPtr = Marshal.AllocHGlobal(Marshal.SizeOf(qnxSb));
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Marshal.Copy(sector, 0, sbPtr, Marshal.SizeOf(qnxSb));
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qnxSb = (QNX6_SuperBlock)Marshal.PtrToStructure(sbPtr, typeof(QNX6_SuperBlock));
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Marshal.FreeHGlobal(sbPtr);
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return qnxSb.magic == QNX6_Magic || audiSb.magic == QNX6_Magic;
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}
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public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd, out string information)
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{
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information = "";
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StringBuilder sb = new StringBuilder();
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uint sectors = QNX6_SuperBlockSize / imagePlugin.GetSectorSize();
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uint bootSectors = QNX6_BootBlocksSize / imagePlugin.GetSectorSize();
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byte[] audiSector = imagePlugin.ReadSectors(partitionStart, sectors);
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byte[] sector = imagePlugin.ReadSectors(partitionStart + bootSectors, sectors);
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if(sector.Length < QNX6_SuperBlockSize)
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return;
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QNX6_AudiSuperBlock audiSb = new QNX6_AudiSuperBlock();
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IntPtr audiPtr = Marshal.AllocHGlobal(Marshal.SizeOf(audiSb));
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Marshal.Copy(audiSector, 0, audiPtr, Marshal.SizeOf(audiSb));
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audiSb = (QNX6_AudiSuperBlock)Marshal.PtrToStructure(audiPtr, typeof(QNX6_AudiSuperBlock));
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Marshal.FreeHGlobal(audiPtr);
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QNX6_SuperBlock qnxSb = new QNX6_SuperBlock();
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IntPtr sbPtr = Marshal.AllocHGlobal(Marshal.SizeOf(qnxSb));
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Marshal.Copy(sector, 0, sbPtr, Marshal.SizeOf(qnxSb));
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qnxSb = (QNX6_SuperBlock)Marshal.PtrToStructure(sbPtr, typeof(QNX6_SuperBlock));
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Marshal.FreeHGlobal(sbPtr);
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bool audi = false || audiSb.magic == QNX6_Magic;
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if(audi)
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{
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sb.AppendLine("QNX6 (Audi) filesystem");
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sb.AppendFormat("Checksum: 0x{0:X8}", audiSb.checksum).AppendLine();
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sb.AppendFormat("Serial: 0x{0:X16}", audiSb.checksum).AppendLine();
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sb.AppendFormat("{0} bytes per block", audiSb.blockSize).AppendLine();
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sb.AppendFormat("{0} inodes free of {1}", audiSb.freeInodes, audiSb.numInodes).AppendLine();
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sb.AppendFormat("{0} blocks ({1} bytes) free of {2} ({3} bytes)", audiSb.freeBlocks, audiSb.freeBlocks * audiSb.blockSize,
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audiSb.numBlocks, audiSb.numBlocks * audiSb.blockSize).AppendLine();
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xmlFSType = new Schemas.FileSystemType();
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xmlFSType.Type = "QNX6 (Audi) filesystem";
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xmlFSType.Clusters = audiSb.numBlocks;
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xmlFSType.ClusterSize = (int)audiSb.blockSize;
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xmlFSType.Bootable = true;
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xmlFSType.Files = audiSb.numInodes - audiSb.freeInodes;
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xmlFSType.FilesSpecified = true;
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xmlFSType.FreeClusters = audiSb.freeBlocks;
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xmlFSType.FreeClustersSpecified = true;
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//xmlFSType.VolumeName = Encoding.ASCII.GetString(audiSb.id);
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xmlFSType.VolumeSerial = string.Format("{0:X16}", audiSb.serial);
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information = sb.ToString();
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return;
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}
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sb.AppendLine("QNX6 filesystem");
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sb.AppendFormat("Checksum: 0x{0:X8}", qnxSb.checksum).AppendLine();
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sb.AppendFormat("Serial: 0x{0:X16}", qnxSb.checksum).AppendLine();
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sb.AppendFormat("Created on {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.ctime)).AppendLine();
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sb.AppendFormat("Last mounted on {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.atime)).AppendLine();
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sb.AppendFormat("Flags: 0x{0:X8}", qnxSb.flags).AppendLine();
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sb.AppendFormat("Version1: 0x{0:X4}", qnxSb.version1).AppendLine();
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sb.AppendFormat("Version2: 0x{0:X4}", qnxSb.version2).AppendLine();
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//sb.AppendFormat("Volume ID: \"{0}\"", Encoding.ASCII.GetString(qnxSb.volumeid)).AppendLine();
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sb.AppendFormat("{0} bytes per block", qnxSb.blockSize).AppendLine();
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sb.AppendFormat("{0} inodes free of {1}", qnxSb.freeInodes, qnxSb.numInodes).AppendLine();
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sb.AppendFormat("{0} blocks ({1} bytes) free of {2} ({3} bytes)", qnxSb.freeBlocks, qnxSb.freeBlocks * qnxSb.blockSize,
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qnxSb.numBlocks, qnxSb.numBlocks * qnxSb.blockSize).AppendLine();
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xmlFSType = new Schemas.FileSystemType();
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xmlFSType.Type = "QNX6 filesystem";
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xmlFSType.Clusters = qnxSb.numBlocks;
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xmlFSType.ClusterSize = (int)qnxSb.blockSize;
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xmlFSType.Bootable = true;
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xmlFSType.Files = qnxSb.numInodes - qnxSb.freeInodes;
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xmlFSType.FilesSpecified = true;
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xmlFSType.FreeClusters = qnxSb.freeBlocks;
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xmlFSType.FreeClustersSpecified = true;
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//xmlFSType.VolumeName = Encoding.ASCII.GetString(qnxSb.volumeid);
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xmlFSType.VolumeSerial = string.Format("{0:X16}", qnxSb.serial);
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xmlFSType.CreationDate = DateHandlers.UNIXUnsignedToDateTime(qnxSb.ctime);
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xmlFSType.CreationDateSpecified = true;
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xmlFSType.ModificationDate = DateHandlers.UNIXUnsignedToDateTime(qnxSb.atime);
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xmlFSType.ModificationDateSpecified = true;
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information = sb.ToString();
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return;
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}
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public override Errno Mount()
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{
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return Errno.NotImplemented;
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}
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public override Errno Mount(bool debug)
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{
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return Errno.NotImplemented;
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}
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public override Errno Unmount()
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{
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return Errno.NotImplemented;
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}
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public override Errno MapBlock(string path, long fileBlock, ref long deviceBlock)
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{
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return Errno.NotImplemented;
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}
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public override Errno GetAttributes(string path, ref FileAttributes attributes)
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{
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return Errno.NotImplemented;
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}
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public override Errno ListXAttr(string path, ref List<string> xattrs)
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{
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return Errno.NotImplemented;
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}
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public override Errno GetXattr(string path, string xattr, ref byte[] buf)
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{
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return Errno.NotImplemented;
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}
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public override Errno Read(string path, long offset, long size, ref byte[] buf)
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{
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return Errno.NotImplemented;
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}
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public override Errno ReadDir(string path, ref List<string> contents)
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{
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return Errno.NotImplemented;
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}
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public override Errno StatFs(ref FileSystemInfo stat)
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{
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return Errno.NotImplemented;
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}
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public override Errno Stat(string path, ref FileEntryInfo stat)
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{
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return Errno.NotImplemented;
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}
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public override Errno ReadLink(string path, ref string dest)
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{
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return Errno.NotImplemented;
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}
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}
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} |