diff --git a/FileSystemIDandChk/ChangeLog b/FileSystemIDandChk/ChangeLog index 3b6ce537..a1733d3c 100644 --- a/FileSystemIDandChk/ChangeLog +++ b/FileSystemIDandChk/ChangeLog @@ -1,3 +1,9 @@ +2012-08-06 Natalia Portillo + + * Plugins/SolarFS.cs: + * FileSystemIDandChk.csproj: + Added code for detection Solar_OS filesystem + 2012-08-05 Natalia Portillo * Plugins/FAT.cs: diff --git a/FileSystemIDandChk/FileSystemIDandChk.csproj b/FileSystemIDandChk/FileSystemIDandChk.csproj index ae186e83..233f135e 100644 --- a/FileSystemIDandChk/FileSystemIDandChk.csproj +++ b/FileSystemIDandChk/FileSystemIDandChk.csproj @@ -64,6 +64,7 @@ + diff --git a/FileSystemIDandChk/Plugins/SolarFS.cs b/FileSystemIDandChk/Plugins/SolarFS.cs new file mode 100644 index 00000000..45197987 --- /dev/null +++ b/FileSystemIDandChk/Plugins/SolarFS.cs @@ -0,0 +1,115 @@ +using System; +using System.IO; +using System.Text; +using FileSystemIDandChk; + +// Based on FAT's BPB, cannot find a FAT or directory + +namespace FileSystemIDandChk.Plugins +{ + class SolarFS : Plugin + { + public SolarFS(PluginBase Core) + { + base.Name = "Solar_OS filesystem"; + base.PluginUUID = new Guid("EA3101C1-E777-4B4F-B5A3-8C57F50F6E65"); + } + + public override bool Identify(FileStream stream, long offset) + { + byte signature; // 0x29 + string fs_type; // "SOL_FS " + + BinaryReader br = new BinaryReader(stream); + + br.BaseStream.Seek(0x25 + offset, SeekOrigin.Begin); // FATs, 1 or 2, maybe 0, never bigger + signature = br.ReadByte(); + br.BaseStream.Seek(0x35 + offset, SeekOrigin.Begin); // Media Descriptor if present is in 0x15 + fs_type = StringHandlers.CToString(br.ReadBytes(8)); + + if(signature == 0x29 && fs_type == "SOL_FS ") + return true; + else + return false; + } + + public override void GetInformation (FileStream stream, long offset, out string information) + { + information = ""; + + StringBuilder sb = new StringBuilder(); + BinaryReader br = new BinaryReader(stream); + + SolarOSParameterBlock BPB = new SolarOSParameterBlock(); + + br.BaseStream.Seek(offset, SeekOrigin.Begin); + BPB.x86_jump = br.ReadBytes(3); + BPB.OEMName = StringHandlers.CToString(br.ReadBytes(8)); + BPB.bps = br.ReadUInt16(); + BPB.unk1 = br.ReadByte(); + BPB.unk2 = br.ReadUInt16(); + BPB.root_ent = br.ReadUInt16(); + BPB.sectors = br.ReadUInt16(); + BPB.media = br.ReadByte(); + BPB.spfat = br.ReadUInt16(); + BPB.sptrk = br.ReadUInt16(); + BPB.heads = br.ReadUInt16(); + BPB.unk3 = br.ReadBytes(10); + BPB.signature = br.ReadByte(); + BPB.unk4 = br.ReadUInt32(); + BPB.vol_name = StringHandlers.CToString(br.ReadBytes(11)); + BPB.fs_type = StringHandlers.CToString(br.ReadBytes(8)); + + if(MainClass.isDebug) + { + 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(); + sb.AppendFormat("{0} sectors on volume ({1} bytes)", BPB.sectors, BPB.sectors*BPB.bps).AppendLine(); + 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 " + } + } +} +