// /*************************************************************************** // The Disc Image Chef // ---------------------------------------------------------------------------- // // Filename : QNX4.cs // Author(s) : Natalia Portillo // // Component : Component // // --[ Description ] ---------------------------------------------------------- // // Identifies the QNX4 filesystem 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 © 2011-2017 Natalia Portillo // ****************************************************************************/ using System; using System.Collections.Generic; using System.Linq; using System.Runtime.InteropServices; using System.Text; using DiscImageChef.CommonTypes; namespace DiscImageChef.Filesystems { public class QNX4 : Filesystem { struct QNX4_Extent { public uint block; public uint length; } [StructLayout(LayoutKind.Sequential, Pack = 1)] struct QNX4_Inode { [MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)] public byte[] di_fname; public uint di_size; public QNX4_Extent di_first_xtnt; public uint di_xblk; public uint di_ftime; public uint di_mtime; public uint di_atime; public uint di_ctime; public ushort di_num_xtnts; public ushort di_mode; public ushort di_uid; public ushort di_gid; public ushort di_nlink; public uint di_zero; public byte di_type; public byte di_status; } [StructLayout(LayoutKind.Sequential, Pack = 1)] struct QNX4_LinkInfo { [MarshalAs(UnmanagedType.ByValArray, SizeConst = 48)] public byte[] dl_fname; public uint dl_inode_blk; public byte dl_inode_ndx; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)] public byte[] dl_spare; public byte dl_status; } [StructLayout(LayoutKind.Sequential, Pack = 1)] struct QNX4_ExtentBlock { public uint next_xblk; public uint prev_xblk; public byte num_xtnts; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)] public byte[] spare; public uint num_blocks; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 60)] public QNX4_Extent[] xtnts; [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public byte[] signature; public QNX4_Extent first_xtnt; } [StructLayout(LayoutKind.Sequential, Pack = 1)] struct QNX4_Superblock { public QNX4_Inode rootDir; public QNX4_Inode inode; public QNX4_Inode boot; public QNX4_Inode altBoot; } readonly byte[] QNX4_RootDir_Fname = { 0x2F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; public QNX4() { Name = "QNX4 Plugin"; PluginUUID = new Guid("E73A63FA-B5B0-48BF-BF82-DA5F0A8170D2"); CurrentEncoding = Encoding.GetEncoding("iso-8859-15"); } public QNX4(ImagePlugins.ImagePlugin imagePlugin, Partition partition, Encoding encoding) { Name = "QNX4 Plugin"; PluginUUID = new Guid("E73A63FA-B5B0-48BF-BF82-DA5F0A8170D2"); if(encoding == null) CurrentEncoding = Encoding.GetEncoding("iso-8859-15"); } public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, Partition partition) { byte[] sector = imagePlugin.ReadSector(partition.PartitionStartSector + 1); if(sector.Length < 512) return false; QNX4_Superblock qnxSb = new QNX4_Superblock(); IntPtr sbPtr = Marshal.AllocHGlobal(512); Marshal.Copy(sector, 0, sbPtr, 512); qnxSb = (QNX4_Superblock)Marshal.PtrToStructure(sbPtr, typeof(QNX4_Superblock)); Marshal.FreeHGlobal(sbPtr); // Check root directory name if(!QNX4_RootDir_Fname.SequenceEqual(qnxSb.rootDir.di_fname)) return false; // Check sizes are multiple of blocks if(qnxSb.rootDir.di_size % 512 != 0 || qnxSb.inode.di_size % 512 != 0 || qnxSb.boot.di_size % 512 != 0 || qnxSb.altBoot.di_size % 512 != 0) return false; // Check extents are not past device if(qnxSb.rootDir.di_first_xtnt.block + partition.PartitionStartSector >= partition.PartitionEndSector || qnxSb.inode.di_first_xtnt.block + partition.PartitionStartSector >= partition.PartitionEndSector || qnxSb.boot.di_first_xtnt.block + partition.PartitionStartSector >= partition.PartitionEndSector || qnxSb.altBoot.di_first_xtnt.block + partition.PartitionStartSector >= partition.PartitionEndSector) return false; // Check inodes are in use if((qnxSb.rootDir.di_status & 0x01) != 0x01 || (qnxSb.inode.di_status & 0x01) != 0x01 || (qnxSb.boot.di_status & 0x01) != 0x01) return false; // All hail filesystems without identification marks return true; } public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, Partition partition, out string information) { information = ""; byte[] sector = imagePlugin.ReadSector(partition.PartitionStartSector + 1); if(sector.Length < 512) return; QNX4_Superblock qnxSb = new QNX4_Superblock(); IntPtr sbPtr = Marshal.AllocHGlobal(512); Marshal.Copy(sector, 0, sbPtr, 512); qnxSb = (QNX4_Superblock)Marshal.PtrToStructure(sbPtr, typeof(QNX4_Superblock)); Marshal.FreeHGlobal(sbPtr); // Too much useless information /* DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_fname = {0}", CurrentEncoding.GetString(qnxSb.rootDir.di_fname)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_size = {0}", qnxSb.rootDir.di_size); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_first_xtnt.block = {0}", qnxSb.rootDir.di_first_xtnt.block); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_first_xtnt.length = {0}", qnxSb.rootDir.di_first_xtnt.length); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_xblk = {0}", qnxSb.rootDir.di_xblk); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_ftime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_mtime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_atime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_ctime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_num_xtnts = {0}", qnxSb.rootDir.di_num_xtnts); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_mode = {0}", Convert.ToString(qnxSb.rootDir.di_mode, 8)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_uid = {0}", qnxSb.rootDir.di_uid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_gid = {0}", qnxSb.rootDir.di_gid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_nlink = {0}", qnxSb.rootDir.di_nlink); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_zero = {0}", qnxSb.rootDir.di_zero); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_type = {0}", qnxSb.rootDir.di_type); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.rootDir.di_status = {0}", qnxSb.rootDir.di_status); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_fname = {0}", CurrentEncoding.GetString(qnxSb.inode.di_fname)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_size = {0}", qnxSb.inode.di_size); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_first_xtnt.block = {0}", qnxSb.inode.di_first_xtnt.block); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_first_xtnt.length = {0}", qnxSb.inode.di_first_xtnt.length); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_xblk = {0}", qnxSb.inode.di_xblk); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_ftime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_mtime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_atime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.inode.di_ctime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_num_xtnts = {0}", qnxSb.inode.di_num_xtnts); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_mode = {0}", Convert.ToString(qnxSb.inode.di_mode, 8)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_uid = {0}", qnxSb.inode.di_uid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_gid = {0}", qnxSb.inode.di_gid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_nlink = {0}", qnxSb.inode.di_nlink); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_zero = {0}", qnxSb.inode.di_zero); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_type = {0}", qnxSb.inode.di_type); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.inode.di_status = {0}", qnxSb.inode.di_status); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_fname = {0}", CurrentEncoding.GetString(qnxSb.boot.di_fname)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_size = {0}", qnxSb.boot.di_size); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_first_xtnt.block = {0}", qnxSb.boot.di_first_xtnt.block); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_first_xtnt.length = {0}", qnxSb.boot.di_first_xtnt.length); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_xblk = {0}", qnxSb.boot.di_xblk); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_ftime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_mtime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_atime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.boot.di_ctime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_num_xtnts = {0}", qnxSb.boot.di_num_xtnts); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_mode = {0}", Convert.ToString(qnxSb.boot.di_mode, 8)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_uid = {0}", qnxSb.boot.di_uid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_gid = {0}", qnxSb.boot.di_gid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_nlink = {0}", qnxSb.boot.di_nlink); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_zero = {0}", qnxSb.boot.di_zero); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_type = {0}", qnxSb.boot.di_type); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.boot.di_status = {0}", qnxSb.boot.di_status); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_fname = {0}", CurrentEncoding.GetString(qnxSb.altBoot.di_fname)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_size = {0}", qnxSb.altBoot.di_size); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_first_xtnt.block = {0}", qnxSb.altBoot.di_first_xtnt.block); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_first_xtnt.length = {0}", qnxSb.altBoot.di_first_xtnt.length); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_xblk = {0}", qnxSb.altBoot.di_xblk); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_ftime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_ftime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_mtime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_mtime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_atime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_atime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_ctime = {0}", DateHandlers.UNIXUnsignedToDateTime(qnxSb.altBoot.di_ctime)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_num_xtnts = {0}", qnxSb.altBoot.di_num_xtnts); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_mode = {0}", Convert.ToString(qnxSb.altBoot.di_mode, 8)); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_uid = {0}", qnxSb.altBoot.di_uid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_gid = {0}", qnxSb.altBoot.di_gid); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_nlink = {0}", qnxSb.altBoot.di_nlink); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_zero = {0}", qnxSb.altBoot.di_zero); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_type = {0}", qnxSb.altBoot.di_type); DicConsole.DebugWriteLine("QNX4 plugin", "qnxSb.altBoot.di_status = {0}", qnxSb.altBoot.di_status); */ information = string.Format("QNX4 filesystem\nCreated on {0}\n", DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_ftime)); xmlFSType = new Schemas.FileSystemType(); xmlFSType.Type = "QNX4 filesystem"; xmlFSType.Clusters = (long)((partition.PartitionEndSector - partition.PartitionStartSector + 1) / imagePlugin.GetSectorSize() * 512); xmlFSType.ClusterSize = 512; xmlFSType.Bootable |= (qnxSb.boot.di_size != 0 || qnxSb.altBoot.di_size != 0); xmlFSType.CreationDate = DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_ftime); xmlFSType.CreationDateSpecified = true; xmlFSType.ModificationDate = DateHandlers.UNIXUnsignedToDateTime(qnxSb.rootDir.di_mtime); xmlFSType.ModificationDateSpecified = true; } 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; } } }