mirror of
https://github.com/claunia/libexeinfo.git
synced 2025-12-16 19:14:24 +00:00
Added support for NE.
This commit is contained in:
213
exeinfo/NE.cs
Normal file
213
exeinfo/NE.cs
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@@ -0,0 +1,213 @@
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using System;
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using System.Runtime.InteropServices;
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namespace exeinfo
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{
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public static class NE
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{
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public const ushort Signature = 0x454E;
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//[StructLayout(LayoutKind.Sequential, Pack = 2)]
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public struct Header
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{
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public ushort signature;
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public byte linker_major;
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public byte linker_minor;
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public ushort entry_table_offset;
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public ushort entry_table_length;
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public uint crc;
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public ProgramFlags program_flags;
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public ApplicationFlags application_flags;
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public byte auto_data_segment_index;
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public ushort initial_heap;
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public ushort initial_stack;
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public uint entry_point;
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public uint stack_pointer;
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public ushort segment_count;
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public ushort reference_count;
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public ushort nonresident_table_size;
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public ushort segment_table_offset;
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public ushort resource_table_offset;
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public ushort resident_names_offset;
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public ushort module_reference_offset;
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public ushort imported_names_offset;
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public uint nonresident_names_offset;
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public ushort movable_entries;
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public ushort alignment_shift;
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public ushort resource_entries;
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public TargetOS target_os;
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public OS2Flags os2_flags;
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public ushort return_thunks_offset;
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public ushort segment_reference_thunks;
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public ushort minimum_swap_area;
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public byte os_minor;
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public byte os_major;
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}
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[Flags]
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public enum ProgramFlags : byte
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{
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NoDGroup = 0,
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SingleDGroup = 1,
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MultipleDGroup = 2,
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GlobalInit = 1 << 2,
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ProtectedMode = 1 << 3,
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i86 = 1 << 4,
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i286 = 1 << 5,
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i386 = 1 << 6,
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i87 = 1 << 7
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}
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public enum TargetOS : byte
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{
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Unknown = 0,
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OS2 = 1,
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Windows = 2,
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DOS = 3,
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Win32 = 4,
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Borland = 5
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}
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[Flags]
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public enum ApplicationFlags : byte
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{
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FullScreen = 1,
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GUICompatible = 2,
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Errors = 1 << 5,
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NonConforming = 1 << 6,
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DLL = 1 << 7
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}
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[Flags]
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public enum OS2Flags : byte
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{
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LongFilename = 1 << 0,
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ProtectedMode2 = 1 << 1,
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ProportionalFonts = 1 << 2,
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GangloadArea = 1 << 3,
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}
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public static void PrintInfo(Header header)
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{
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Console.WriteLine("New Executable (NE):");
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Console.WriteLine("\tFile's CRC: 0x{0:X8}", header.crc);
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Console.WriteLine("\tLinker version: {0}.{1}", header.linker_major, header.linker_minor);
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if (header.program_flags.HasFlag(ProgramFlags.SingleDGroup) && !header.program_flags.HasFlag(ProgramFlags.MultipleDGroup))
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Console.WriteLine("\tApplication uses a single shared DGroup");
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else if (!header.program_flags.HasFlag(ProgramFlags.SingleDGroup) && header.program_flags.HasFlag(ProgramFlags.MultipleDGroup))
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Console.WriteLine("\tApplication uses a multiple DGroup");
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else if (header.program_flags.HasFlag(ProgramFlags.SingleDGroup) && header.program_flags.HasFlag(ProgramFlags.MultipleDGroup))
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Console.WriteLine("\tApplication indicates an incorrect DGroup value");
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else if (!header.program_flags.HasFlag(ProgramFlags.SingleDGroup) && !header.program_flags.HasFlag(ProgramFlags.MultipleDGroup))
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Console.WriteLine("\tApplication does not use DGroup");
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if (header.program_flags.HasFlag(ProgramFlags.GlobalInit))
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Console.WriteLine("\tApplication uses global initialization");
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if (header.program_flags.HasFlag(ProgramFlags.ProtectedMode))
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Console.WriteLine("\tApplication uses protected mode");
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if (header.program_flags.HasFlag(ProgramFlags.i86))
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Console.WriteLine("\tApplication uses 8086 instructions");
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if (header.program_flags.HasFlag(ProgramFlags.i286))
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Console.WriteLine("\tApplication uses 80286 instructions");
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if (header.program_flags.HasFlag(ProgramFlags.i386))
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Console.WriteLine("\tApplication uses 80386 instructions");
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if (header.program_flags.HasFlag(ProgramFlags.i87))
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Console.WriteLine("\tApplication uses floating point instructions");
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if(header.target_os == TargetOS.OS2)
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{
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Console.WriteLine("\tOS/2 application");
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Console.WriteLine("\tApplication requires OS/2 {0}.{1} to run", header.os_major, header.os_minor);
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if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && !header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is full screen, unaware of Presentation Manager");
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else if (!header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is aware of Presentation Manager, but doesn't use it");
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else if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication uses Presentation Manager");
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if (header.os2_flags.HasFlag(OS2Flags.LongFilename))
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Console.WriteLine("\tApplication supports long filenames");
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if (header.os2_flags.HasFlag(OS2Flags.ProtectedMode2))
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Console.WriteLine("\tApplication uses OS/2 2.x protected mode");
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if (header.os2_flags.HasFlag(OS2Flags.ProportionalFonts))
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Console.WriteLine("\tApplication uses OS/2 2.x proportional fonts");
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if (header.os2_flags.HasFlag(OS2Flags.GangloadArea))
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Console.WriteLine("\tGangload area starts at {0} an runs for {1} bytes", header.return_thunks_offset, header.segment_reference_thunks);
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else
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{
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Console.WriteLine("\tReturn thunks are at: {0}", header.return_thunks_offset);
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Console.WriteLine("\tSegment reference thunks are at: {0}", header.segment_reference_thunks);
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}
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}
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else if (header.target_os == TargetOS.Windows || header.target_os == TargetOS.Win32)
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{
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if (header.target_os == TargetOS.Windows)
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Console.WriteLine("\t16-bit Windows application");
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else if (header.target_os == TargetOS.Win32)
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Console.WriteLine("\t32-bit Windows application");
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Console.WriteLine("\tApplication requires Windows {0}.{1} to run", header.os_major, header.os_minor);
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if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && !header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is full screen, unaware of Windows");
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else if (!header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is aware of Windows, but doesn't use it");
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else if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication uses Windows");
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Console.WriteLine("\tReturn thunks are at: {0}", header.return_thunks_offset);
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Console.WriteLine("\tSegment reference thunks are at: {0}", header.segment_reference_thunks);
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}
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else if (header.target_os == TargetOS.DOS)
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{
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Console.WriteLine("\tDOS application");
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Console.WriteLine("\tApplication requires DOS {0}.{1} to run", header.os_major, header.os_minor);
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if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && !header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is full screen, unaware of Windows");
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else if (!header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is aware of Windows, but doesn't use it");
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else if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication uses Windows");
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Console.WriteLine("\tReturn thunks are at: {0}", header.return_thunks_offset);
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Console.WriteLine("\tSegment reference thunks are at: {0}", header.segment_reference_thunks);
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}
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else if (header.target_os == TargetOS.Borland)
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{
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Console.WriteLine("\tBorland Operating System Services application");
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Console.WriteLine("\tApplication requires DOS {0}.{1} to run", header.os_major, header.os_minor);
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if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && !header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is full screen, unaware of Windows");
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else if (!header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication is aware of Windows, but doesn't use it");
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else if (header.application_flags.HasFlag(ApplicationFlags.FullScreen) && header.application_flags.HasFlag(ApplicationFlags.GUICompatible))
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Console.WriteLine("\tApplication uses Windows");
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Console.WriteLine("\tReturn thunks are at: {0}", header.return_thunks_offset);
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Console.WriteLine("\tSegment reference thunks are at: {0}", header.segment_reference_thunks);
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}
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else
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{
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Console.WriteLine("\tApplication for unknown OS {0}", (byte)header.target_os);
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Console.WriteLine("\tApplication requires OS {0}.{1} to run", header.os_major, header.os_minor);
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Console.WriteLine("\tReturn thunks are at: {0}", header.return_thunks_offset);
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Console.WriteLine("\tSegment reference thunks are at: {0}", header.segment_reference_thunks);
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}
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if (header.application_flags.HasFlag(ApplicationFlags.Errors))
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Console.WriteLine("\tExecutable has errors");
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if (header.application_flags.HasFlag(ApplicationFlags.NonConforming))
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Console.WriteLine("\tExecutable is non conforming");
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if (header.application_flags.HasFlag(ApplicationFlags.DLL))
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Console.WriteLine("\tExecutable is a dynamic library or a driver");
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Console.WriteLine("\tMinimum code swap area: {0} bytes", header.minimum_swap_area);
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Console.WriteLine("\tFile alignment shift: {0}", 2 << header.alignment_shift);
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Console.WriteLine("\tInitial local heap should be {0} bytes", header.initial_heap);
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Console.WriteLine("\tInitial stack size should be {0} bytes", header.initial_stack);
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Console.WriteLine("\tCS:IP entry point: {0:X4}:{1:X4}", (header.entry_point & 0xFFFF0000) >> 16, header.entry_point & 0xFFFF);
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if (!header.application_flags.HasFlag(ApplicationFlags.DLL))
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Console.WriteLine("\tSS:SP initial stack pointer: {0:X4}:{1:X4}", (header.stack_pointer & 0xFFFF0000) >> 16, header.stack_pointer & 0xFFFF);
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Console.WriteLine("\tEntry table starts at {0} and runs for {1} bytes", header.entry_table_offset, header.entry_table_length);
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Console.WriteLine("\tSegment table starts at {0} and contain {1} segments", header.segment_table_offset, header.segment_count);
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Console.WriteLine("\tModule reference table starts at {0} and contain {1} references", header.module_reference_offset, header.reference_count);
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Console.WriteLine("\tNon-resident names table starts at {0} and runs for {1} bytes", header.nonresident_names_offset, header.nonresident_table_size);
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Console.WriteLine("\tResources table starts at {0} and contains {1} entries", header.resource_table_offset, header.resource_entries);
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Console.WriteLine("\tResident names table starts at {0}", header.resident_names_offset);
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Console.WriteLine("\tImported names table starts at {0}", header.imported_names_offset);
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}
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}
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}
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@@ -7,6 +7,7 @@ namespace exeinfo
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class MainClass
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class MainClass
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{
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{
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static MZ.Header mzHdr;
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static MZ.Header mzHdr;
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static NE.Header neHdr;
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public static void Main(string[] args)
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public static void Main(string[] args)
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{
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{
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@@ -33,6 +34,21 @@ namespace exeinfo
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{
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{
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recognized = true;
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recognized = true;
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MZ.PrintInfo(mzHdr);
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MZ.PrintInfo(mzHdr);
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if (mzHdr.new_offset < exeFs.Length)
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{
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exeFs.Seek(mzHdr.new_offset, SeekOrigin.Begin);
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buffer = new byte[Marshal.SizeOf(typeof(NE.Header))];
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exeFs.Read(buffer, 0, buffer.Length);
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hdrPtr = Marshal.AllocHGlobal(buffer.Length);
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Marshal.Copy(buffer, 0, hdrPtr, buffer.Length);
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neHdr = (NE.Header)Marshal.PtrToStructure(hdrPtr, typeof(NE.Header));
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Marshal.FreeHGlobal(hdrPtr);
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if (neHdr.signature == NE.Signature)
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NE.PrintInfo(neHdr);
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}
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}
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}
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if (!recognized)
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if (!recognized)
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@@ -35,6 +35,7 @@
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<Compile Include="Program.cs" />
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="MZ.cs" />
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<Compile Include="MZ.cs" />
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<Compile Include="NE.cs" />
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</ItemGroup>
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</ItemGroup>
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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</Project>
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</Project>
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Reference in New Issue
Block a user