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Steamless/Steamless.Unpacker.Variant20.x86/Classes/SteamStubHeader.cs
atom0s d3423cde0e
API: PE64 - Add check for TlsDirectory.AddressOfCallBacks == 0 to prevent attempting to reference invalid data.
Unpacker: v31.x64 - Adjust size of data searched when determining the variant version. Fixes #56
Misc: Update project copyrights.
Misc: Remove some unused/dead code from the UI.
2022-03-22 03:46:48 -07:00

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3.5 KiB
C#

/**
* Steamless - Copyright (c) 2015 - 2022 atom0s [atom0s@live.com]
*
* This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
* To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/ or send a letter to
* Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
*
* By using Steamless, you agree to the above license and its terms.
*
* Attribution - You must give appropriate credit, provide a link to the license and indicate if changes were
* made. You must do so in any reasonable manner, but not in any way that suggests the licensor
* endorses you or your use.
*
* Non-Commercial - You may not use the material (Steamless) for commercial purposes.
*
* No-Derivatives - If you remix, transform, or build upon the material (Steamless), you may not distribute the
* modified material. You are, however, allowed to submit the modified works back to the original
* Steamless project in attempt to have it added to the original project.
*
* You may not apply legal terms or technological measures that legally restrict others
* from doing anything the license permits.
*
* No warranties are given.
*/
namespace Steamless.Unpacker.Variant20.x86.Classes
{
using System.Runtime.InteropServices;
/// <summary>
/// SteamStub DRM Variant 2.0 Header
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct SteamStub32Var20Header
{
public uint XorKey1; // Xor key used to encode the header data.
public uint XorKey2; // Xor key used to encode the header data.
public uint GetModuleHandleA_idata; // The address of GetModuleHandleA inside of the .idata section.
public uint GetProcAddress_idata; // The address of GetProcAddress inside of the .idata section.
public uint GetModuleHandleW_idata; // The address of GetModuleHandleW inside of the .idata section.
public uint GetProcAddress_bind; // The address of the .bind sections custom GetProcAddress instance.
public uint Flags; // Protection flags used with the file.
public uint Unknown0000; // Unknown (Was 0xEC227021 when testing.) (Only used if (Flags & 0x10) is set. Used in part of a hash check.)
public uint BindSectionVirtualAddress; // The virtual address to the .bind section.
public uint BindSectionCodeSize; // The size of the code stub inside of the .bind section.
public uint ValidationHash; // Hash that is calculated based on the .bind code section and .bind stub header data. (Only used if (Flags & 1) is set.)
public uint OEP; // The original file OEP to be invoked after the stub has finished.
public uint CodeSectionVirtualAddress; // The virtual address to the code section. (.text) (Was 0x0401000 when testing. Possibly original OEP?)
public uint CodeSectionSize; // The size of the code section.
public uint CodeSectionXorKey; // The starting key to xor decode against. (Only used if (Flags & 4) is set.)
public uint SteamAppID; // The steam application id of the packed file.
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x0C)]
public byte[] SteamAppIDString; // The SteamAppID of the packed file, in string format.
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 0x36C)]
public byte[] StubData; // Misc stub data, such as strings, error messages, etc.
}
}