2011-03-03 18:34:33 +00:00
|
|
|
using System;
|
|
|
|
|
using System.IO;
|
|
|
|
|
using System.Text;
|
|
|
|
|
using FileSystemIDandChk;
|
|
|
|
|
|
|
|
|
|
// Information from Inside Macintosh
|
|
|
|
|
|
|
|
|
|
namespace FileSystemIDandChk.Plugins
|
|
|
|
|
{
|
|
|
|
|
class AppleMFS : Plugin
|
|
|
|
|
{
|
|
|
|
|
private DateTime MFSDateDelta = new DateTime(1904, 01, 01, 00, 00, 00);
|
|
|
|
|
|
|
|
|
|
public AppleMFS(PluginBase Core)
|
|
|
|
|
{
|
|
|
|
|
base.Name = "Apple Macintosh File System";
|
|
|
|
|
base.PluginUUID = new Guid("67591456-90fa-49bd-ac89-14ef750b8af3");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override bool Identify(FileStream stream, long offset)
|
|
|
|
|
{
|
|
|
|
|
byte[] signature = new byte[2];
|
|
|
|
|
ushort drSigWord;
|
|
|
|
|
|
|
|
|
|
stream.Seek(0x400 + offset, SeekOrigin.Begin);
|
|
|
|
|
|
|
|
|
|
stream.Read(signature, 0, 2);
|
|
|
|
|
signature = Swapping.SwapTwoBytes(signature);
|
|
|
|
|
|
|
|
|
|
drSigWord = BitConverter.ToUInt16(signature, 0);
|
|
|
|
|
|
|
|
|
|
if(drSigWord == 0xD2D7)
|
|
|
|
|
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[] sixteen_bit = new byte[2];
|
|
|
|
|
byte[] thirtytwo_bit = new byte[4];
|
|
|
|
|
byte[] fifthteen_bytes = new byte[15];
|
|
|
|
|
byte[] variable_size;
|
|
|
|
|
|
|
|
|
|
stream.Seek(0x400 + offset, SeekOrigin.Begin);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drSigWord = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
if(MDB.drSigWord != 0xD2D7)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
MDB.drCrDate = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
MDB.drLsBkUp = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drAtrb = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drNmFls = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drDirSt = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drBlLen = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drNmAlBlks = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
MDB.drAlBlkSiz = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
MDB.drClpSiz = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drAlBlSt = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
MDB.drNxtFNum = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
MDB.drFreeBks = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
MDB.drVNSiz = (byte)stream.ReadByte();
|
|
|
|
|
variable_size = new byte[MDB.drVNSiz];
|
|
|
|
|
stream.Read(variable_size, 0, MDB.drVNSiz);
|
|
|
|
|
MDB.drVN = Encoding.ASCII.GetString(variable_size);
|
|
|
|
|
|
|
|
|
|
stream.Seek(0 + offset, SeekOrigin.Begin);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
BB.signature = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
|
|
|
|
|
if(BB.signature == 0x4C4B)
|
|
|
|
|
{
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
BB.branch = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
BB.boot_flags = (byte)stream.ReadByte();
|
|
|
|
|
BB.boot_version = (byte)stream.ReadByte();
|
|
|
|
|
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
BB.sec_sv_pages = BitConverter.ToInt16(sixteen_bit, 0);
|
|
|
|
|
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.system_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.finder_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.debug_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.disasm_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.stupscr_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.bootup_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
stream.Seek(1, SeekOrigin.Current);
|
|
|
|
|
stream.Read(fifthteen_bytes, 0, 15);
|
|
|
|
|
BB.clipbrd_name = Encoding.ASCII.GetString(fifthteen_bytes);
|
|
|
|
|
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
BB.max_files = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(sixteen_bit, 0, 2);
|
|
|
|
|
sixteen_bit = Swapping.SwapTwoBytes(sixteen_bit);
|
|
|
|
|
BB.queue_size = BitConverter.ToUInt16(sixteen_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
BB.heap_128k = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
BB.heap_256k = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
stream.Read(thirtytwo_bit, 0, 4);
|
|
|
|
|
thirtytwo_bit = Swapping.SwapFourBytes(thirtytwo_bit);
|
|
|
|
|
BB.heap_512k = BitConverter.ToUInt32(thirtytwo_bit, 0);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
BB.signature = 0x0000;
|
|
|
|
|
|
|
|
|
|
sb.AppendLine("Apple Macintosh File System");
|
|
|
|
|
sb.AppendLine();
|
|
|
|
|
sb.AppendLine("Master Directory Block:");
|
|
|
|
|
sb.AppendFormat("Creation date: {0}", MFSDateDelta.AddTicks((long)(MDB.drCrDate*10000000))).AppendLine();
|
|
|
|
|
sb.AppendFormat("Last backup date: {0}", MFSDateDelta.AddTicks((long)(MDB.drLsBkUp*10000000))).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 == 0x4C4B)
|
|
|
|
|
{
|
|
|
|
|
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.");
|
|
|
|
|
|
|
|
|
|
information = sb.ToString();
|
|
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private struct MFS_MasterDirectoryBlock // Should be offset 0x0400 bytes in volume
|
|
|
|
|
{
|
|
|
|
|
public UInt16 drSigWord; // Signature, 0xD2D7
|
2011-03-06 00:25:11 +00:00
|
|
|
public ulong drCrDate; // Volume creation date
|
|
|
|
|
public ulong drLsBkUp; // Volume last backup date
|
2011-03-03 18:34:33 +00:00
|
|
|
public UInt16 drAtrb; // Volume attributes
|
|
|
|
|
public UInt16 drNmFls; // Volume number of files
|
|
|
|
|
public UInt16 drDirSt; // First directory block
|
|
|
|
|
public UInt16 drBlLen; // Length of directory in blocks
|
|
|
|
|
public UInt16 drNmAlBlks; // Volume allocation blocks
|
|
|
|
|
public UInt32 drAlBlkSiz; // Size of allocation blocks
|
|
|
|
|
public UInt32 drClpSiz; // Number of bytes to allocate
|
|
|
|
|
public UInt16 drAlBlSt; // First allocation block in block map
|
|
|
|
|
public UInt32 drNxtFNum; // Next unused file number
|
|
|
|
|
public UInt16 drFreeBks; // Number of unused allocation blocks
|
|
|
|
|
public byte drVNSiz; // Length of volume name
|
|
|
|
|
public string drVN; // Characters of volume name
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private struct MFS_BootBlock // Should be offset 0x0000 bytes in volume
|
|
|
|
|
{
|
|
|
|
|
public UInt16 signature; // Signature, 0x4C4B if bootable
|
|
|
|
|
public UInt32 branch; // Branch
|
|
|
|
|
public byte boot_flags; // Boot block flags
|
|
|
|
|
public byte boot_version; // Boot block version
|
|
|
|
|
public short sec_sv_pages; // Allocate secondary buffers
|
|
|
|
|
public string system_name; // System file name (10 bytes)
|
|
|
|
|
public string finder_name; // Finder file name (10 bytes)
|
|
|
|
|
public string debug_name; // Debugger file name (10 bytes)
|
|
|
|
|
public string disasm_name; // Disassembler file name (10 bytes)
|
|
|
|
|
public string stupscr_name; // Startup screen file name (10 bytes)
|
|
|
|
|
public string bootup_name; // First program to execute on boot (10 bytes)
|
|
|
|
|
public string clipbrd_name; // Clipboard file name (10 bytes)
|
|
|
|
|
public UInt16 max_files; // 1/4 of maximum opened at a time files
|
|
|
|
|
public UInt16 queue_size; // Event queue size
|
|
|
|
|
public UInt32 heap_128k; // Heap size on a Mac with 128KiB of RAM
|
|
|
|
|
public UInt32 heap_256k; // Heap size on a Mac with 256KiB of RAM
|
|
|
|
|
public UInt32 heap_512k; // Heap size on a Mac with 512KiB of RAM or more
|
|
|
|
|
} // Follows boot code
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
