Refactor and reformat code

git-svn-id: svn://claunia.com/FileSystemIDandChk@29 17725271-3d32-4980-a8cb-9ff532f270ba
This commit is contained in:
2014-04-14 02:29:13 +00:00
parent 27791637fb
commit 430d71693a
33 changed files with 5333 additions and 4426 deletions

View File

@@ -1,207 +1,234 @@
using System;
using System.IO;
using System.Text;
using FileSystemIDandChk;
// Information from Inside Macintosh
// TODO: Implement support for disc images
/*
namespace FileSystemIDandChk.Plugins
{
class AppleMFS : Plugin
{
private const UInt16 MFS_MAGIC = 0xD2D7;
private const UInt16 MFSBB_MAGIC = 0x4C4B; // "LK"
class AppleMFS : Plugin
{
const UInt16 MFS_MAGIC = 0xD2D7;
// "LK"
const UInt16 MFSBB_MAGIC = 0x4C4B;
public AppleMFS(PluginBase Core)
public AppleMFS(PluginBase Core)
{
base.Name = "Apple Macintosh File System";
base.PluginUUID = new Guid("36405F8D-0D26-4066-6538-5DBF5D065C3A");
Name = "Apple Macintosh File System";
PluginUUID = new Guid("36405F8D-0D26-4066-6538-5DBF5D065C3A");
}
public override bool Identify(FileStream stream, long offset)
{
UInt16 drSigWord;
EndianAwareBinaryReader eabr = new EndianAwareBinaryReader(stream, false); // BigEndian
eabr.BaseStream.Seek(0x400 + offset, SeekOrigin.Begin);
drSigWord = eabr.ReadUInt16();
if(drSigWord == MFS_MAGIC)
return true;
else
return false;
}
public override void GetInformation (FileStream stream, long offset, out string information)
{
information = "";
StringBuilder sb = new StringBuilder();
MFS_MasterDirectoryBlock MDB = new MFS_MasterDirectoryBlock();
MFS_BootBlock BB = new MFS_BootBlock();
byte[] pString;
byte[] variable_size;
public override bool Identify(ImagePlugins.ImagePlugin imagePlugin, ulong partitionOffset)
{
UInt16 drSigWord;
EndianAwareBinaryReader eabr = new EndianAwareBinaryReader(stream, false); // BigEndian
eabr.BaseStream.Seek(0x400 + offset, SeekOrigin.Begin);
MDB.drSigWord = eabr.ReadUInt16();
if(MDB.drSigWord != MFS_MAGIC)
return;
byte[] mdb_sector = imagePlugin.ReadSector(2 + partitionOffset);
drSigWord = BigEndianBitConverter.ToUInt16(mdb_sector, 0x000);
MDB.drCrDate = eabr.ReadUInt32();
MDB.drLsBkUp = eabr.ReadUInt32();
MDB.drAtrb = eabr.ReadUInt16();
MDB.drNmFls = eabr.ReadUInt16();
MDB.drDirSt = eabr.ReadUInt16();
MDB.drBlLen = eabr.ReadUInt16();
MDB.drNmAlBlks = eabr.ReadUInt16();
MDB.drAlBlkSiz = eabr.ReadUInt32();
MDB.drClpSiz = eabr.ReadUInt32();
MDB.drAlBlSt = eabr.ReadUInt16();
MDB.drNxtFNum = eabr.ReadUInt32();
MDB.drFreeBks = eabr.ReadUInt16();
MDB.drVNSiz = eabr.ReadByte();
variable_size = eabr.ReadBytes(MDB.drVNSiz);
MDB.drVN = Encoding.ASCII.GetString(variable_size);
return drSigWord == MFS_MAGIC;
}
public override void GetInformation(ImagePlugins.ImagePlugin imagePlugin, ulong partitionOffset, out string information)
{
information = "";
eabr.BaseStream.Seek(0 + offset, SeekOrigin.Begin);
BB.signature = eabr.ReadUInt16();
StringBuilder sb = new StringBuilder();
if(BB.signature == MFSBB_MAGIC)
{
BB.branch = eabr.ReadUInt32();
BB.boot_flags = eabr.ReadByte();
BB.boot_version = eabr.ReadByte();
MFS_MasterDirectoryBlock MDB = new MFS_MasterDirectoryBlock();
MFS_BootBlock BB = new MFS_BootBlock();
byte[] pString = new byte[16];
byte[] variable_size;
byte[] mdb_sector = imagePlugin.ReadSector(2 + partitionOffset);
byte[] bb_sector = imagePlugin.ReadSector(0 + partitionOffset);
MDB.drSigWord = BigEndianBitConverter.ToUInt16(mdb_sector, 0x000);
if (MDB.drSigWord != MFS_MAGIC)
return;
MDB.drCrDate = BigEndianBitConverter.ToUInt32(mdb_sector, 0x002);
MDB.drLsBkUp = BigEndianBitConverter.ToUInt32(mdb_sector, 0x00A);
MDB.drAtrb = BigEndianBitConverter.ToUInt16(mdb_sector, 0x012);
MDB.drNmFls = BigEndianBitConverter.ToUInt16(mdb_sector, 0x014);
MDB.drDirSt = BigEndianBitConverter.ToUInt16(mdb_sector, 0x016);
MDB.drBlLen = BigEndianBitConverter.ToUInt16(mdb_sector, 0x018);
MDB.drNmAlBlks = BigEndianBitConverter.ToUInt16(mdb_sector, 0x01A);
MDB.drAlBlkSiz = BigEndianBitConverter.ToUInt32(mdb_sector, 0x01C);
MDB.drClpSiz = BigEndianBitConverter.ToUInt32(mdb_sector, 0x020);
MDB.drAlBlSt = BigEndianBitConverter.ToUInt16(mdb_sector, 0x024);
MDB.drNxtFNum = BigEndianBitConverter.ToUInt32(mdb_sector, 0x026);
MDB.drFreeBks = BigEndianBitConverter.ToUInt16(mdb_sector, 0x02A);
MDB.drVNSiz = mdb_sector[0x02C];
variable_size = new byte[MDB.drVNSiz];
Array.Copy(mdb_sector, 0x02D, variable_size, 0, MDB.drVNSiz);
MDB.drVN = Encoding.ASCII.GetString(variable_size);
BB.signature = BigEndianBitConverter.ToUInt16(bb_sector, 0x000);
if (BB.signature == MFSBB_MAGIC)
{
BB.branch = BigEndianBitConverter.ToUInt32(bb_sector, 0x002);
BB.boot_flags = bb_sector[0x006];
BB.boot_version = bb_sector[0x007];
BB.sec_sv_pages = eabr.ReadInt16();
BB.sec_sv_pages = BigEndianBitConverter.ToInt16(bb_sector, 0x008);
pString = eabr.ReadBytes(16);
BB.system_name = StringHandlers.PascalToString(pString);
pString = eabr.ReadBytes(16);
BB.finder_name = StringHandlers.PascalToString(pString);
pString = eabr.ReadBytes(16);
BB.debug_name = StringHandlers.PascalToString(pString);
pString = eabr.ReadBytes(16);
BB.disasm_name = StringHandlers.PascalToString(pString);
pString = eabr.ReadBytes(16);
BB.stupscr_name = StringHandlers.PascalToString(pString);
pString = eabr.ReadBytes(16);
BB.bootup_name = StringHandlers.PascalToString(pString);
pString = eabr.ReadBytes(16);
BB.clipbrd_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x00A, pString, 0, 16);
BB.system_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x01A, pString, 0, 16);
BB.finder_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x02A, pString, 0, 16);
BB.debug_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x03A, pString, 0, 16);
BB.disasm_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x04A, pString, 0, 16);
BB.stupscr_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x05A, pString, 0, 16);
BB.bootup_name = StringHandlers.PascalToString(pString);
Array.Copy(mdb_sector, 0x06A, pString, 0, 16);
BB.clipbrd_name = StringHandlers.PascalToString(pString);
BB.max_files = eabr.ReadUInt16();
BB.queue_size = eabr.ReadUInt16();
BB.heap_128k = eabr.ReadUInt32();
BB.heap_256k = eabr.ReadUInt32();
BB.heap_512k = eabr.ReadUInt32();
}
else
BB.signature = 0x0000;
BB.max_files = BigEndianBitConverter.ToUInt16(bb_sector, 0x07A);
BB.queue_size = BigEndianBitConverter.ToUInt16(bb_sector, 0x07C);
BB.heap_128k = BigEndianBitConverter.ToUInt32(bb_sector, 0x07E);
BB.heap_256k = BigEndianBitConverter.ToUInt32(bb_sector, 0x082);
BB.heap_512k = BigEndianBitConverter.ToUInt32(bb_sector, 0x086);
}
else
BB.signature = 0x0000;
sb.AppendLine("Apple Macintosh File System");
sb.AppendLine();
sb.AppendLine("Master Directory Block:");
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(MDB.drCrDate)).AppendLine();
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(MDB.drLsBkUp)).AppendLine();
if((MDB.drAtrb & 0x80) == 0x80)
sb.AppendLine("Volume is locked by hardware.");
if((MDB.drAtrb & 0x8000) == 0x8000)
sb.AppendLine("Volume is locked by software.");
sb.AppendFormat("{0} files on volume", MDB.drNmFls).AppendLine();
sb.AppendFormat("First directory block: {0}", MDB.drDirSt).AppendLine();
sb.AppendFormat("{0} blocks in directory.", MDB.drBlLen).AppendLine();
sb.AppendFormat("{0} volume allocation blocks.", MDB.drNmAlBlks).AppendLine();
sb.AppendFormat("Size of allocation blocks: {0}", MDB.drAlBlkSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate.", MDB.drClpSiz).AppendLine();
sb.AppendFormat("{0} first allocation block.", MDB.drAlBlSt).AppendLine();
sb.AppendFormat("Next unused file number: {0}", MDB.drNxtFNum).AppendLine();
sb.AppendFormat("{0} unused allocation blocks.", MDB.drFreeBks).AppendLine();
sb.AppendFormat("Volume name: {0}", MDB.drVN).AppendLine();
sb.AppendLine("Apple Macintosh File System");
sb.AppendLine();
sb.AppendLine("Master Directory Block:");
sb.AppendFormat("Creation date: {0}", DateHandlers.MacToDateTime(MDB.drCrDate)).AppendLine();
sb.AppendFormat("Last backup date: {0}", DateHandlers.MacToDateTime(MDB.drLsBkUp)).AppendLine();
if ((MDB.drAtrb & 0x80) == 0x80)
sb.AppendLine("Volume is locked by hardware.");
if ((MDB.drAtrb & 0x8000) == 0x8000)
sb.AppendLine("Volume is locked by software.");
sb.AppendFormat("{0} files on volume", MDB.drNmFls).AppendLine();
sb.AppendFormat("First directory block: {0}", MDB.drDirSt).AppendLine();
sb.AppendFormat("{0} blocks in directory.", MDB.drBlLen).AppendLine();
sb.AppendFormat("{0} volume allocation blocks.", MDB.drNmAlBlks).AppendLine();
sb.AppendFormat("Size of allocation blocks: {0}", MDB.drAlBlkSiz).AppendLine();
sb.AppendFormat("{0} bytes to allocate.", MDB.drClpSiz).AppendLine();
sb.AppendFormat("{0} first allocation block.", MDB.drAlBlSt).AppendLine();
sb.AppendFormat("Next unused file number: {0}", MDB.drNxtFNum).AppendLine();
sb.AppendFormat("{0} unused allocation blocks.", MDB.drFreeBks).AppendLine();
sb.AppendFormat("Volume name: {0}", MDB.drVN).AppendLine();
if(BB.signature == MFSBB_MAGIC)
{
sb.AppendLine("Volume is bootable.");
sb.AppendLine();
sb.AppendLine("Boot Block:");
if((BB.boot_flags & 0x40) == 0x40)
sb.AppendLine("Boot block should be executed.");
if((BB.boot_flags & 0x80) == 0x80)
{
sb.AppendLine("Boot block is in new unknown format.");
}
else
{
if(BB.sec_sv_pages > 0)
sb.AppendLine("Allocate secondary sound buffer at boot.");
else if(BB.sec_sv_pages < 0)
sb.AppendLine("Allocate secondary sound and video buffers at boot.");
if (BB.signature == MFSBB_MAGIC)
{
sb.AppendLine("Volume is bootable.");
sb.AppendLine();
sb.AppendLine("Boot Block:");
if ((BB.boot_flags & 0x40) == 0x40)
sb.AppendLine("Boot block should be executed.");
if ((BB.boot_flags & 0x80) == 0x80)
{
sb.AppendLine("Boot block is in new unknown format.");
}
else
{
if (BB.sec_sv_pages > 0)
sb.AppendLine("Allocate secondary sound buffer at boot.");
else if (BB.sec_sv_pages < 0)
sb.AppendLine("Allocate secondary sound and video buffers at boot.");
sb.AppendFormat("System filename: {0}", BB.system_name).AppendLine();
sb.AppendFormat("Finder filename: {0}", BB.finder_name).AppendLine();
sb.AppendFormat("Debugger filename: {0}", BB.debug_name).AppendLine();
sb.AppendFormat("Disassembler filename: {0}", BB.disasm_name).AppendLine();
sb.AppendFormat("Startup screen filename: {0}", BB.stupscr_name).AppendLine();
sb.AppendFormat("First program to execute at boot: {0}", BB.bootup_name).AppendLine();
sb.AppendFormat("Clipboard filename: {0}", BB.clipbrd_name).AppendLine();
sb.AppendFormat("Maximum opened files: {0}", BB.max_files*4).AppendLine();
sb.AppendFormat("Event queue size: {0}", BB.queue_size).AppendLine();
sb.AppendFormat("Heap size with 128KiB of RAM: {0} bytes", BB.heap_128k).AppendLine();
sb.AppendFormat("Heap size with 256KiB of RAM: {0} bytes", BB.heap_256k).AppendLine();
sb.AppendFormat("Heap size with 512KiB of RAM or more: {0} bytes", BB.heap_512k).AppendLine();
}
}
else
sb.AppendLine("Volume is not bootable.");
sb.AppendFormat("System filename: {0}", BB.system_name).AppendLine();
sb.AppendFormat("Finder filename: {0}", BB.finder_name).AppendLine();
sb.AppendFormat("Debugger filename: {0}", BB.debug_name).AppendLine();
sb.AppendFormat("Disassembler filename: {0}", BB.disasm_name).AppendLine();
sb.AppendFormat("Startup screen filename: {0}", BB.stupscr_name).AppendLine();
sb.AppendFormat("First program to execute at boot: {0}", BB.bootup_name).AppendLine();
sb.AppendFormat("Clipboard filename: {0}", BB.clipbrd_name).AppendLine();
sb.AppendFormat("Maximum opened files: {0}", BB.max_files * 4).AppendLine();
sb.AppendFormat("Event queue size: {0}", BB.queue_size).AppendLine();
sb.AppendFormat("Heap size with 128KiB of RAM: {0} bytes", BB.heap_128k).AppendLine();
sb.AppendFormat("Heap size with 256KiB of RAM: {0} bytes", BB.heap_256k).AppendLine();
sb.AppendFormat("Heap size with 512KiB of RAM or more: {0} bytes", BB.heap_512k).AppendLine();
}
}
else
sb.AppendLine("Volume is not bootable.");
information = sb.ToString();
information = sb.ToString();
return;
}
private struct MFS_MasterDirectoryBlock // Should be offset 0x0400 bytes in volume
{
public UInt16 drSigWord; // 0x000, Signature, 0xD2D7
public ulong drCrDate; // 0x002, Volume creation date
public ulong drLsBkUp; // 0x00A, Volume last backup date
public UInt16 drAtrb; // 0x012, Volume attributes
public UInt16 drNmFls; // 0x014, Volume number of files
public UInt16 drDirSt; // 0x016, First directory block
public UInt16 drBlLen; // 0x018, Length of directory in blocks
public UInt16 drNmAlBlks; // 0x01A, Volume allocation blocks
public UInt32 drAlBlkSiz; // 0x01C, Size of allocation blocks
public UInt32 drClpSiz; // 0x020, Number of bytes to allocate
public UInt16 drAlBlSt; // 0x024, First allocation block in block map
public UInt32 drNxtFNum; // 0x026. Next unused file number
public UInt16 drFreeBks; // 0x02A, Number of unused allocation blocks
public byte drVNSiz; // 0x02C, Length of volume name
public string drVN; // 0x02D, Characters of volume name
}
private struct MFS_BootBlock // Should be offset 0x0000 bytes in volume
{
public UInt16 signature; // 0x000, Signature, 0x4C4B if bootable
public UInt32 branch; // 0x002, Branch
public byte boot_flags; // 0x006, Boot block flags
public byte boot_version; // 0x007, Boot block version
public short sec_sv_pages; // 0x008, Allocate secondary buffers
public string system_name; // 0x00A, System file name (10 bytes)
public string finder_name; // 0x014, Finder file name (10 bytes)
public string debug_name; // 0x01E, Debugger file name (10 bytes)
public string disasm_name; // 0x028, Disassembler file name (10 bytes)
public string stupscr_name; // 0x032, Startup screen file name (10 bytes)
public string bootup_name; // 0x03C, First program to execute on boot (10 bytes)
public string clipbrd_name; // 0x046, Clipboard file name (10 bytes)
public UInt16 max_files; // 0x050, 1/4 of maximum opened at a time files
public UInt16 queue_size; // 0x052, Event queue size
public UInt32 heap_128k; // 0x054, Heap size on a Mac with 128KiB of RAM
public UInt32 heap_256k; // 0x058, Heap size on a Mac with 256KiB of RAM
public UInt32 heap_512k; // 0x05C, Heap size on a Mac with 512KiB of RAM or more
} // Follows boot code
}
return;
}
struct MFS_MasterDirectoryBlock // Should be offset 0x0400 bytes in volume
{
public UInt16 drSigWord;
// 0x000, Signature, 0xD2D7
public ulong drCrDate;
// 0x002, Volume creation date
public ulong drLsBkUp;
// 0x00A, Volume last backup date
public UInt16 drAtrb;
// 0x012, Volume attributes
public UInt16 drNmFls;
// 0x014, Volume number of files
public UInt16 drDirSt;
// 0x016, First directory block
public UInt16 drBlLen;
// 0x018, Length of directory in blocks
public UInt16 drNmAlBlks;
// 0x01A, Volume allocation blocks
public UInt32 drAlBlkSiz;
// 0x01C, Size of allocation blocks
public UInt32 drClpSiz;
// 0x020, Number of bytes to allocate
public UInt16 drAlBlSt;
// 0x024, First allocation block in block map
public UInt32 drNxtFNum;
// 0x026. Next unused file number
public UInt16 drFreeBks;
// 0x02A, Number of unused allocation blocks
public byte drVNSiz;
// 0x02C, Length of volume name
public string drVN;
// 0x02D, Characters of volume name
}
struct MFS_BootBlock // Should be offset 0x0000 bytes in volume
{
public UInt16 signature;
// 0x000, Signature, 0x4C4B if bootable
public UInt32 branch;
// 0x002, Branch
public byte boot_flags;
// 0x006, Boot block flags
public byte boot_version;
// 0x007, Boot block version
public short sec_sv_pages;
// 0x008, Allocate secondary buffers
public string system_name;
// 0x00A, System file name (16 bytes)
public string finder_name;
// 0x01A, Finder file name (16 bytes)
public string debug_name;
// 0x02A, Debugger file name (16 bytes)
public string disasm_name;
// 0x03A, Disassembler file name (16 bytes)
public string stupscr_name;
// 0x04A, Startup screen file name (16 bytes)
public string bootup_name;
// 0x05A, First program to execute on boot (16 bytes)
public string clipbrd_name;
// 0x06A, Clipboard file name (16 bytes)
public UInt16 max_files;
// 0x07A, 1/4 of maximum opened at a time files
public UInt16 queue_size;
// 0x07C, Event queue size
public UInt32 heap_128k;
// 0x07E, Heap size on a Mac with 128KiB of RAM
public UInt32 heap_256k;
// 0x082, Heap size on a Mac with 256KiB of RAM
public UInt32 heap_512k;
// 0x086, Heap size on a Mac with 512KiB of RAM or more
}
// Follows boot code
}
}
*/