85 lines
1.9 KiB
C++
85 lines
1.9 KiB
C++
#include "STDInclude.hpp"
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namespace Main
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{
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Utils::Hook EntryPointHook;
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void SetEnvironment()
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{
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wchar_t exeName[512];
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GetModuleFileName(GetModuleHandle(NULL), exeName, sizeof(exeName) / 2);
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wchar_t* exeBaseName = wcsrchr(exeName, L'\\');
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exeBaseName[0] = L'\0';
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exeBaseName++;
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SetCurrentDirectory(exeName);
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}
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void Initialize()
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{
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Main::EntryPointHook.uninstall();
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Main::SetEnvironment();
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Utils::Cryptography::Initialize();
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Components::Loader::Initialize();
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#if defined(DEBUG) || defined(FORCE_UNIT_TESTS)
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if (Components::Loader::PerformingUnitTests())
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{
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DWORD result = (Components::Loader::PerformUnitTests() ? 0 : -1);
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Components::Loader::Uninitialize();
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ExitProcess(result);
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}
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#else
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if (Components::Flags::HasFlag("tests"))
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{
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Components::Logger::Print("Unit tests are disabled outside the debug environment!\n");
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}
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#endif
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}
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void Uninitialize()
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{
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Components::Loader::Uninitialize();
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}
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}
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BOOL APIENTRY DllMain(HMODULE /*hModule*/, DWORD ul_reason_for_call, LPVOID /*lpReserved*/)
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{
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if (ul_reason_for_call == DLL_PROCESS_ATTACH)
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{
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Steam::Proxy::RunMod();
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// Ensure we're working with our desired binary
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if (Utils::Hook::Get<DWORD>(0x4C0FFF) != 0x6824748B)
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{
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return FALSE;
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}
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DWORD oldProtect;
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std::uint8_t* module = reinterpret_cast<std::uint8_t*>(GetModuleHandle(NULL));
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//VirtualProtect(module, 0x6C73000, PAGE_EXECUTE_READWRITE, &oldProtect); // Unprotect the entire process
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VirtualProtect(module + 0x1000, 0x2D6000, PAGE_EXECUTE_READ, &oldProtect); // Protect the .text segment
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Main::EntryPointHook.initialize(0x6BAC0F, [] ()
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{
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__asm
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{
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// This has to be called, otherwise the hook is not uninstalled and we're looping into infinity
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call Main::Initialize
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mov eax, 6BAC0Fh
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jmp eax
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}
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})->install();
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}
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else if (ul_reason_for_call == DLL_PROCESS_DETACH)
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{
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Main::Uninitialize();
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}
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return TRUE;
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}
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