diff --git a/DiscImageChef.Filesystems/ChangeLog b/DiscImageChef.Filesystems/ChangeLog index d712e393c..d7f136581 100644 --- a/DiscImageChef.Filesystems/ChangeLog +++ b/DiscImageChef.Filesystems/ChangeLog @@ -1,3 +1,9 @@ +2016-09-02 Natalia Portillo + + * QNX4.cs: + * DiscImageChef.Filesystems.csproj: Adds support for QNX4 + filesystem. #18 + 2016-08-26 Natalia Portillo * Info.cs: Typo in HDD superblock, not allocating enough diff --git a/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj b/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj index c83794703..3b174a636 100644 --- a/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj +++ b/DiscImageChef.Filesystems/DiscImageChef.Filesystems.csproj @@ -97,6 +97,7 @@ + diff --git a/DiscImageChef.Filesystems/QNX4.cs b/DiscImageChef.Filesystems/QNX4.cs new file mode 100644 index 000000000..c15411e93 --- /dev/null +++ b/DiscImageChef.Filesystems/QNX4.cs @@ -0,0 +1,326 @@ +// /*************************************************************************** +// The Disc Image Chef +// ---------------------------------------------------------------------------- +// +// Filename : QNX4.cs +// Author(s) : Natalia Portillo +// +// Component : Component +// +// --[ Description ] ---------------------------------------------------------- +// +// Description +// +// --[ 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; +using System.Text; +using System.Collections.Generic; +using System.Runtime.InteropServices; +using DiscImageChef.Console; +using System.Linq; + +namespace DiscImageChef.Filesystems +{ + 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"); + } + + public QNX4(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd) + { + Name = "QNX4 Plugin"; + PluginUUID = new Guid("E73A63FA-B5B0-48BF-BF82-DA5F0A8170D2"); + } + + public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionStart, ulong partitionEnd) + { + byte[] sector = imagePlugin.ReadSector(partitionStart + 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 + partitionStart >= partitionEnd || + qnxSb.inode.di_first_xtnt.block + partitionStart >= partitionEnd || + qnxSb.boot.di_first_xtnt.block + partitionStart >= partitionEnd || + qnxSb.altBoot.di_first_xtnt.block + partitionStart >= partitionEnd) + 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, ulong partitionStart, ulong partitionEnd, out string information) + { + information = ""; + byte[] sector = imagePlugin.ReadSector(partitionStart + 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}", Encoding.ASCII.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}", Encoding.ASCII.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}", Encoding.ASCII.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}", Encoding.ASCII.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)((partitionEnd - partitionStart + 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; + } + } +} \ No newline at end of file diff --git a/README.md b/README.md index 5462fc159..8db5da2a0 100644 --- a/README.md +++ b/README.md @@ -123,6 +123,7 @@ Supported file systems for identification and information only * B-tree file system (btrfs) * Apple File System (preliminary detection until on-disk layout is stable) * Microsoft Extended File Allocation Table (exFAT) +* QNX4 filesystem Supported checksums ===================