/*************************************************************************** The Disc Image Chef ---------------------------------------------------------------------------- Filename : SolarFS.cs Version : 1.0 Author(s) : Natalia Portillo Component : Filesystem plugins Revision : $Revision$ Last change by : $Author$ Date : $Date$ --[ Description ] ---------------------------------------------------------- Identifies SolarOS filesystems and shows information. --[ License ] -------------------------------------------------------------- This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . ---------------------------------------------------------------------------- Copyright (C) 2011-2014 Claunia.com ****************************************************************************/ //$Id$ using System; using System.Text; using DiscImageChef; // Based on FAT's BPB, cannot find a FAT or directory namespace DiscImageChef.Plugins { class SolarFS : Plugin { public SolarFS(PluginBase Core) { Name = "Solar_OS filesystem"; PluginUUID = new Guid("EA3101C1-E777-4B4F-B5A3-8C57F50F6E65"); } public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionOffset) { byte signature; // 0x29 string fs_type; // "SOL_FS " byte[] bpb = imagePlugin.ReadSector(0 + partitionOffset); byte[] fs_type_b = new byte[8]; signature = bpb[0x25]; Array.Copy(bpb, 0x35, fs_type_b, 0, 8); fs_type = StringHandlers.CToString(fs_type_b); if (signature == 0x29 && fs_type == "SOL_FS ") return true; return false; } public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, ulong partitionOffset, out string information) { information = ""; StringBuilder sb = new StringBuilder(); byte[] bpb_sector = imagePlugin.ReadSector(0 + partitionOffset); byte[] bpb_strings; SolarOSParameterBlock BPB = new SolarOSParameterBlock(); bpb_strings = new byte[8]; Array.Copy(bpb_sector, 0x03, bpb_strings, 0, 8); BPB.OEMName = StringHandlers.CToString(bpb_strings); BPB.bps = BitConverter.ToUInt16(bpb_sector, 0x0B); BPB.root_ent = BitConverter.ToUInt16(bpb_sector, 0x10); BPB.sectors = BitConverter.ToUInt16(bpb_sector, 0x12); BPB.media = bpb_sector[0x14]; BPB.spfat = BitConverter.ToUInt16(bpb_sector, 0x15); BPB.sptrk = BitConverter.ToUInt16(bpb_sector, 0x17); BPB.heads = BitConverter.ToUInt16(bpb_sector, 0x19); BPB.signature = bpb_sector[0x25]; bpb_strings = new byte[8]; Array.Copy(bpb_sector, 0x2A, bpb_strings, 0, 11); BPB.vol_name = StringHandlers.CToString(bpb_strings); bpb_strings = new byte[8]; Array.Copy(bpb_sector, 0x35, bpb_strings, 0, 8); BPB.fs_type = StringHandlers.CToString(bpb_strings); if (MainClass.isDebug) { BPB.x86_jump = new byte[3]; Array.Copy(bpb_sector, 0x00, BPB.x86_jump, 0, 3); BPB.unk1 = bpb_sector[0x0D]; BPB.unk2 = BitConverter.ToUInt16(bpb_sector, 0x0E); BPB.unk3 = new byte[10]; Array.Copy(bpb_sector, 0x1B, BPB.unk3, 0, 10); BPB.unk4 = BitConverter.ToUInt32(bpb_sector, 0x26); Console.WriteLine("(SolarFS) BPB.x86_jump: 0x{0:X2}{1:X2}{2:X2}", BPB.x86_jump[0], BPB.x86_jump[1], BPB.x86_jump[2]); Console.WriteLine("(SolarFS) BPB.OEMName: \"{0}\"", BPB.OEMName); Console.WriteLine("(SolarFS) BPB.bps: {0}", BPB.bps); Console.WriteLine("(SolarFS) BPB.unk1: 0x{0:X2}", BPB.unk1); Console.WriteLine("(SolarFS) BPB.unk2: 0x{0:X4}", BPB.unk2); Console.WriteLine("(SolarFS) BPB.root_ent: {0}", BPB.root_ent); Console.WriteLine("(SolarFS) BPB.sectors: {0}", BPB.sectors); Console.WriteLine("(SolarFS) BPB.media: 0x{0:X2}", BPB.media); Console.WriteLine("(SolarFS) BPB.spfat: {0}", BPB.spfat); Console.WriteLine("(SolarFS) BPB.sptrk: {0}", BPB.sptrk); Console.WriteLine("(SolarFS) BPB.heads: {0}", BPB.heads); Console.WriteLine("(SolarFS) BPB.unk3: 0x{0:X2}{1:X2}{2:X2}{3:X2}{4:X2}{5:X2}{6:X2}{7:X2}{8:X2}{9:X2}", BPB.unk3[0], BPB.unk3[1], BPB.unk3[2], BPB.unk3[3], BPB.unk3[4], BPB.unk3[5], BPB.unk3[6], BPB.unk3[7], BPB.unk3[8], BPB.unk3[9]); Console.WriteLine("(SolarFS) BPB.signature: 0x{0:X2}", BPB.signature); Console.WriteLine("(SolarFS) BPB.unk4: 0x{0:X8}", BPB.unk4); Console.WriteLine("(SolarFS) BPB.vol_name: \"{0}\"", BPB.vol_name); Console.WriteLine("(SolarFS) BPB.fs_type: \"{0}\"", BPB.fs_type); } sb.AppendLine("Solar_OS filesystem"); sb.AppendFormat("Media descriptor: 0x{0:X2}", BPB.media).AppendLine(); sb.AppendFormat("{0} bytes per sector", BPB.bps).AppendLine(); if (imagePlugin.GetSectorSize() == 2336 || imagePlugin.GetSectorSize() == 2352 || imagePlugin.GetSectorSize() == 2448) { if (BPB.bps != imagePlugin.GetSectorSize()) { sb.AppendFormat("WARNING: Filesystem describes a {0} bytes/sector, while device describes a {1} bytes/sector", BPB.bps, 2048).AppendLine(); } } else if (BPB.bps != imagePlugin.GetSectorSize()) { sb.AppendFormat("WARNING: Filesystem describes a {0} bytes/sector, while device describes a {1} bytes/sector", BPB.bps, imagePlugin.GetSectorSize()).AppendLine(); } sb.AppendFormat("{0} sectors on volume ({1} bytes)", BPB.sectors, BPB.sectors * BPB.bps).AppendLine(); if (BPB.sectors > imagePlugin.GetSectors()) sb.AppendFormat("WARNING: Filesystem describes a {0} sectors volume, bigger than device ({1} sectors)", BPB.sectors, imagePlugin.GetSectors()); sb.AppendFormat("{0} heads", BPB.heads).AppendLine(); sb.AppendFormat("{0} sectors per track", BPB.sptrk).AppendLine(); sb.AppendFormat("Volume name: {0}", BPB.vol_name).AppendLine(); information = sb.ToString(); } public struct SolarOSParameterBlock { public byte[] x86_jump; // 0x00, x86 jump (3 bytes), jumps to 0x60 public string OEMName; // 0x03, 8 bytes, "SOLAR_OS" public UInt16 bps; // 0x0B, Bytes per sector public byte unk1; // 0x0D, unknown, 0x01 public UInt16 unk2; // 0x0E, unknown, 0x0201 public UInt16 root_ent; // 0x10, Number of entries on root directory ? (no root directory found) public UInt16 sectors; // 0x12, Sectors in volume public byte media; // 0x14, Media descriptor public UInt16 spfat; // 0x15, Sectors per FAT ? (no FAT found) public UInt16 sptrk; // 0x17, Sectors per track public UInt16 heads; // 0x19, Heads public byte[] unk3; // 0x1B, unknown, 10 bytes, zero-filled public byte signature; // 0x25, 0x29 public UInt32 unk4; // 0x26, unknown, zero-filled public string vol_name; // 0x2A, 11 bytes, volume name, space-padded public string fs_type; // 0x35, 8 bytes, "SOL_FS " } } }