#include <Windows.h> #include <TlHelp32.h> #include <filesystem> #include <sstream> #include <iostream> #include <fstream> namespace fs = std::filesystem; DWORD GetProcessByName(std::wstring processName) { HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); PROCESSENTRY32 processSnapshotEntry = { 0 }; processSnapshotEntry.dwSize = sizeof(PROCESSENTRY32); if (snapshot == INVALID_HANDLE_VALUE) return 0; if (!Process32First(snapshot, &processSnapshotEntry)) return 0; while (Process32Next(snapshot, &processSnapshotEntry)) { if (!wcscmp(processSnapshotEntry.szExeFile, processName.c_str())) { CloseHandle(snapshot); return processSnapshotEntry.th32ProcessID; } } CloseHandle(snapshot); return 0; } #define PROCESS_NAME L"Titanfall2-unpacked.exe" #define DLL_NAME L"Northstar.dll" int main(int argc, char* argv[]) { if (!fs::exists(PROCESS_NAME)) { MessageBoxA(0, "Titanfall2-unpacked.exe not found! Please launch from your titanfall 2 directory and ensure you have Northstar installed correctly!", "", MB_OK); return 1; } if (!fs::exists(DLL_NAME)) { MessageBoxA(0, "Northstar.dll not found! Please launch from your titanfall 2 directory and ensure you have Northstar installed correctly!", "", MB_OK); return 1; } bool isdedi = false; for (int i = 0; i < argc; i++) if (!strcmp(argv[i], "-dedicated")) isdedi = true; if (!isdedi && !GetProcessByName(L"Origin.exe") && !GetProcessByName(L"EADesktop.exe")) { // unpacked exe will crash if origin isn't open on launch, so launch it // get origin path from registry, code here is reversed from OriginSDK.dll HKEY key; if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\WOW6432Node\\Origin", 0, KEY_READ, &key) != ERROR_SUCCESS) { MessageBoxA(0, "Error: failed reading origin path!", "", MB_OK); return 1; } char originPath[520]; DWORD originPathLength = 520; if (RegQueryValueExA(key, "ClientPath", 0, 0, (LPBYTE)&originPath, &originPathLength) != ERROR_SUCCESS) { MessageBoxA(0, "Error: failed reading origin path!", "", MB_OK); return 1; } PROCESS_INFORMATION pi; memset(&pi, 0, sizeof(pi)); STARTUPINFO si; memset(&si, 0, sizeof(si)); CreateProcessA(originPath, (LPSTR)"", NULL, NULL, false, CREATE_DEFAULT_ERROR_MODE | CREATE_NEW_PROCESS_GROUP, NULL, NULL, (LPSTARTUPINFOA)&si, &pi); // wait for origin to be ready, this process is created when origin is ready enough to launch game without any errors while (!GetProcessByName(L"OriginClientService.exe") && !GetProcessByName(L"EADesktop.exe")) Sleep(200); } // get cmdline args from file std::wstring args; std::ifstream cmdlineArgFile; args.append(L" "); for (int i = 0; i < argc; i++) { std::string str = argv[i]; args.append(std::wstring(str.begin(), str.end())); args.append(L" "); } if (!isdedi) cmdlineArgFile = std::ifstream("ns_startup_args.txt"); else cmdlineArgFile = std::ifstream("ns_startup_args_dedi.txt"); if (cmdlineArgFile) { std::stringstream argBuffer; argBuffer << cmdlineArgFile.rdbuf(); cmdlineArgFile.close(); std::string str = argBuffer.str(); args.append(std::wstring(str.begin(), str.end())); } //if (isdedi) // // copy -dedicated into args if we have it in commandline args // args.append(L" -dedicated"); STARTUPINFO startupInfo; PROCESS_INFORMATION processInfo; memset(&startupInfo, 0, sizeof(startupInfo)); memset(&processInfo, 0, sizeof(processInfo)); CreateProcessW(PROCESS_NAME, (LPWSTR)args.c_str(), NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &startupInfo, &processInfo); HMODULE hKernel32 = GetModuleHandleW(L"kernel32.dll"); LPTHREAD_START_ROUTINE pLoadLibraryW = (LPTHREAD_START_ROUTINE)GetProcAddress(hKernel32, "LoadLibraryW"); SIZE_T dwLength = (wcslen(DLL_NAME) + 1) * 2; LPVOID lpLibName = VirtualAllocEx(processInfo.hProcess, NULL, dwLength, MEM_COMMIT, PAGE_READWRITE); SIZE_T written = 0; WriteProcessMemory(processInfo.hProcess, lpLibName, DLL_NAME, dwLength, &written); HANDLE hThread = CreateRemoteThread(processInfo.hProcess, NULL, NULL, pLoadLibraryW, lpLibName, NULL, NULL); if (hThread == NULL) { // injection failed std::string errorMessage = "Injection failed! CreateRemoteThread returned "; errorMessage += std::to_string(GetLastError()).c_str(); errorMessage += ", make sure bob hasn't accidentally shipped a debug build"; MessageBoxA(0, errorMessage.c_str(), "", MB_OK); return 0; } WaitForSingleObject(hThread, INFINITE); //MessageBoxA(0, std::to_string(GetLastError()).c_str(), "", MB_OK); CloseHandle(hThread); ResumeThread(processInfo.hThread); VirtualFreeEx(processInfo.hProcess, lpLibName, dwLength, MEM_RELEASE); CloseHandle(processInfo.hProcess); CloseHandle(processInfo.hThread); return 0; }