mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
Natalia Portillo
6d0709537d
* FileSystemIDandChk.csproj: Added UNIX Boot filesystem. * FAT.cs: Don't seek to FAT if value is bigger than volume size. git-svn-id: svn://claunia.com/FileSystemIDandChk@21 17725271-3d32-4980-a8cb-9ff532f270ba
88 lines
2.8 KiB
C#
88 lines
2.8 KiB
C#
using System;
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using System.IO;
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using System.Text;
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using FileSystemIDandChk;
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namespace FileSystemIDandChk.Plugins
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{
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class BFS : Plugin
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{
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private const UInt32 BFS_MAGIC = 0x1BADFACE;
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public BFS(PluginBase Core)
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{
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base.Name = "UNIX Boot filesystem";
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base.PluginUUID = new Guid("1E6E0DA6-F7E4-494C-80C6-CB5929E96155");
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}
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public override bool Identify(FileStream stream, long offset)
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{
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UInt32 magic;
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BinaryReader br = new BinaryReader(stream);
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br.BaseStream.Seek(offset, SeekOrigin.Begin);
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magic = br.ReadUInt32();
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if(magic == BFS_MAGIC)
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return true;
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else
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return false;
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}
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public override void GetInformation (FileStream stream, long offset, out string information)
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{
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information = "";
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StringBuilder sb = new StringBuilder();
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BinaryReader br = new BinaryReader(stream);
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BFSSuperBlock bfs_sb = new BFSSuperBlock();
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br.BaseStream.Seek(offset, SeekOrigin.Begin);
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bfs_sb.s_magic = br.ReadUInt32();
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bfs_sb.s_start = br.ReadUInt32();
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bfs_sb.s_end = br.ReadUInt32();
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bfs_sb.s_from = br.ReadUInt32();
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bfs_sb.s_to = br.ReadUInt32();
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bfs_sb.s_bfrom = br.ReadInt32();
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bfs_sb.s_bto = br.ReadInt32();
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bfs_sb.s_fsname = StringHandlers.CToString(br.ReadBytes(6));
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bfs_sb.s_volume = StringHandlers.CToString(br.ReadBytes(6));
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if(MainClass.isDebug)
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{
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Console.WriteLine("(BFS) bfs_sb.s_magic: 0x{0:X8}", bfs_sb.s_magic);
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Console.WriteLine("(BFS) bfs_sb.s_start: 0x{0:X8}", bfs_sb.s_start);
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Console.WriteLine("(BFS) bfs_sb.s_end: 0x{0:X8}", bfs_sb.s_end);
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Console.WriteLine("(BFS) bfs_sb.s_from: 0x{0:X8}", bfs_sb.s_from);
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Console.WriteLine("(BFS) bfs_sb.s_to: 0x{0:X8}", bfs_sb.s_to);
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Console.WriteLine("(BFS) bfs_sb.s_bfrom: 0x{0:X8}", bfs_sb.s_bfrom);
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Console.WriteLine("(BFS) bfs_sb.s_bto: 0x{0:X8}", bfs_sb.s_bto);
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Console.WriteLine("(BFS) bfs_sb.s_fsname: 0x{0}", bfs_sb.s_fsname);
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Console.WriteLine("(BFS) bfs_sb.s_volume: 0x{0}", bfs_sb.s_volume);
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}
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sb.AppendLine("UNIX Boot filesystem");
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sb.AppendFormat("Volume goes from byte {0} to byte {1}, for {2} bytes", bfs_sb.s_start, bfs_sb.s_end, bfs_sb.s_end-bfs_sb.s_start).AppendLine();
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sb.AppendFormat("Filesystem name: {0}", bfs_sb.s_fsname).AppendLine();
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sb.AppendFormat("Volume name: {0}", bfs_sb.s_volume).AppendLine();
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information = sb.ToString();
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}
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private struct BFSSuperBlock
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{
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public UInt32 s_magic; // 0x00, 0x1BADFACE
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public UInt32 s_start; // 0x04, start in bytes of volume
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public UInt32 s_end; // 0x08, end in bytes of volume
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public UInt32 s_from; // 0x0C, unknown :p
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public UInt32 s_to; // 0x10, unknown :p
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public Int32 s_bfrom; // 0x14, unknown :p
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public Int32 s_bto; // 0x18, unknown :p
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public string s_fsname; // 0x1C, 6 bytes, filesystem name
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public string s_volume; // 0x22, 6 bytes, volume name
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}
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}
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}
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