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gbe_fork/tools/steamclient_loader/win/ColdClientLoader.cpp
a 8daa605880 fix usage of persistent mode 2
2024-08-03 16:57:30 +03:00

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// a Modified version of ColdClientLoader originally written by Rat431
// https://github.com/Rat431/ColdAPI_Steam/tree/master/src/ColdClientLoader
#include "common_helpers/common_helpers.hpp"
#include "pe_helpers/pe_helpers.hpp"
#include "dbg_log/dbg_log.hpp"
#define SI_CONVERT_GENERIC
#define SI_SUPPORT_IOSTREAMS
#define SI_NO_MBCS
#include "simpleini/SimpleIni.h"
#include "utfcpp/utf8.h"
// C RunTime Header Files
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
#include <stdio.h>
#include <string>
#include <string_view>
#include <filesystem>
#include <set>
#include <thread>
#include <algorithm>
#include <iterator>
#include <cstdio>
#include <cstdlib>
#include <sstream>
static CSimpleIniA local_ini{true};
static dbg_log logger{pe_helpers::get_current_exe_path() + pe_helpers::get_current_exe_name() + ".log"};
constexpr static const wchar_t STEAM_UNIVERSE[] = L"Public";
constexpr static const wchar_t STEAM_URL_PROTOCOL[] = L"URL:steam protocol";
const static bool loader_is_32 = pe_helpers::is_module_32(GetModuleHandleW(NULL));
const static std::wstring hklm_path(loader_is_32
? L"SOFTWARE\\Valve\\Steam"
: L"SOFTWARE\\WOW6432Node\\Valve\\Steam"
);
// Declare some variables to be used for Steam registry.
const static DWORD UserId = 0x03100004771F810D & 0xffffffff;
const static DWORD ProcessID = GetCurrentProcessId();
static std::string IniFile{};
static std::string ClientPath{};
static std::string Client64Path{};
static std::string ExeFile{};
static std::string ExeRunDir{};
static std::string ExeCommandLine{};
static std::string AppId{};
static std::string DllsToInjectFolder{};
static bool ForceInjectSteamClient{};
static bool ForceInjectGameOverlayRenderer{};
static bool IgnoreInjectionError{};
static bool IgnoreLoaderArchDifference{};
static bool ResumeByDebugger{};
static long PersistentMode{};
static std::vector<uint8_t> exe_header{};
static std::vector<std::string> dlls_to_inject{};
static std::vector<uint8_t> get_pe_header(const std::string &filepath)
{
try {
std::ifstream file(std::filesystem::u8path(filepath), std::ios::in | std::ios::binary);
if (!file.is_open()) throw;
file.seekg(0, std::ios::beg);
// 2MB is enough
std::vector<uint8_t> data(2 * 1024 * 1024, 0);
file.read((char *)&data[0], data.size());
file.close();
return data;
} catch(const std::exception& e) {
logger.write(std::string("Error reading PE header: ") + e.what());
return std::vector<uint8_t>();
}
}
static std::vector<std::string> collect_dlls_to_inject(const bool is_exe_32, std::string &failed_dlls)
{
const auto load_order_file = std::filesystem::u8path(DllsToInjectFolder) / "load_order.txt";
std::vector<std::string> dlls_to_inject{};
for (const auto &dir_entry :
std::filesystem::recursive_directory_iterator(std::filesystem::u8path(DllsToInjectFolder), std::filesystem::directory_options::follow_directory_symlink)
) {
if (std::filesystem::is_directory(dir_entry.path())) continue;
auto dll_path = dir_entry.path().u8string();
// ignore this file if it is the load order file
if (common_helpers::str_cmp_insensitive(dll_path, load_order_file.u8string())) continue;
auto dll_header = get_pe_header(dll_path);
if (dll_header.empty()) {
logger.write("Failed to get PE header of dll: '" + dll_path + "'");
failed_dlls += dll_path + "\n";
continue;
}
const bool is_dll_32 = pe_helpers::is_module_32((HMODULE)&dll_header[0]);
const bool is_dll_64 = pe_helpers::is_module_64((HMODULE)&dll_header[0]);
if (is_dll_32 == is_dll_64) { // ARM, or just a regular file
logger.write("Dll '" + dll_path + "' is neither 32 nor 64 bit and will be ignored");
failed_dlls += dll_path + "\n";
continue;
}
if (is_exe_32 == is_dll_32) { // same arch
dlls_to_inject.push_back(dll_path);
logger.write("Dll '" + dll_path + "' is valid");
} else {
logger.write("Dll '" + dll_path + "' has a different arch than the exe and will be ignored");
failed_dlls += dll_path + "\n";
}
}
bool load_only_specified_dlls = false;
std::vector<std::string> ordered_dlls_to_inject{};
{
logger.write("Searching for load order file: '" + load_order_file.u8string() + "'");
auto f_order = std::ifstream(load_order_file, std::ios::in);
if (f_order.is_open()) {
load_only_specified_dlls = true;
logger.write(L"Reading load order file...");
std::string line{};
while (std::getline(f_order, line)) {
auto abs = common_helpers::to_absolute(line, DllsToInjectFolder);
logger.write("Load order line: '" + abs + "'");
auto it = std::find_if(dlls_to_inject.begin(), dlls_to_inject.end(), [&abs](const std::string &dll_to_inject) {
return common_helpers::str_cmp_insensitive(dll_to_inject, abs);
});
if (dlls_to_inject.end() != it) {
logger.write("Found the dll specified by the load order line");
ordered_dlls_to_inject.push_back(*it);
}
}
f_order.close();
}
}
if (load_only_specified_dlls) {
return ordered_dlls_to_inject;
} else {
return dlls_to_inject;
}
}
static bool orig_steam_hkcu = false;
static WCHAR OrgSteamCDir_hkcu[8192] = { 0 };
static DWORD Size1_hkcu = sizeof(OrgSteamCDir_hkcu);
static WCHAR OrgSteamCDir64_hkcu[8192] = { 0 };
static DWORD Size2_hkcu = sizeof(OrgSteamCDir64_hkcu);
static DWORD OrgSteamActiveUser_hkcu = 0;
static WCHAR OrgSteamUniverse_hkcu[8192] = { 0 };
static DWORD Size4_hkcu = sizeof(OrgSteamUniverse_hkcu);
static bool patch_registry_hkcu()
{
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam\\ActiveProcess", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
orig_steam_hkcu = true;
// Get original values to restore later.
DWORD keyType = REG_SZ;
RegQueryValueExW(Registrykey, L"SteamClientDll", 0, &keyType, (LPBYTE)OrgSteamCDir_hkcu, &Size1_hkcu);
RegQueryValueExW(Registrykey, L"SteamClientDll64", 0, &keyType, (LPBYTE)OrgSteamCDir64_hkcu, &Size2_hkcu);
DWORD SizeActiveUser_hkcu = sizeof(DWORD);
RegQueryValueExW(Registrykey, L"ActiveUser", 0, &keyType, (LPBYTE)&OrgSteamActiveUser_hkcu, &SizeActiveUser_hkcu);
RegQueryValueExW(Registrykey, L"Universe", 0, &keyType, (LPBYTE)OrgSteamUniverse_hkcu, &Size4_hkcu);
logger.write("Found previous registry entry (HKCU) for Steam");
} else if (RegCreateKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam\\ActiveProcess", 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &Registrykey, NULL) == ERROR_SUCCESS) {
logger.write("Created new registry entry (HKCU) for Steam");
} else {
logger.write("Unable to patch Registry (HKCU), error = " + std::to_string(GetLastError()));
return false;
}
auto client_path = common_helpers::to_wstr(ClientPath);
auto client64_path = common_helpers::to_wstr(Client64Path);
RegSetValueExW(Registrykey, L"pid", NULL, REG_DWORD, (const BYTE *)&ProcessID, sizeof(DWORD));
RegSetValueExW(Registrykey, L"SteamClientDll", NULL, REG_SZ, (const BYTE*)(client_path).c_str(), static_cast<DWORD>((client_path.size() + 1) * sizeof(client_path[0])));
RegSetValueExW(Registrykey, L"SteamClientDll64", NULL, REG_SZ, (const BYTE*)client64_path.c_str(), static_cast<DWORD>((client64_path.size() + 1) * sizeof(client64_path[0])));
RegSetValueExW(Registrykey, L"ActiveUser", NULL, REG_DWORD, (const BYTE *)&UserId, sizeof(DWORD));
RegSetValueExW(Registrykey, L"Universe", NULL, REG_SZ, (const BYTE *)STEAM_UNIVERSE, (DWORD)sizeof(STEAM_UNIVERSE));
RegCloseKey(Registrykey);
return true;
}
static void cleanup_registry_hkcu()
{
if (!orig_steam_hkcu) return;
logger.write("restoring registry entries (HKCU)");
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam\\ActiveProcess", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
// Restore the values.
RegSetValueExW(Registrykey, L"SteamClientDll", NULL, REG_SZ, (const BYTE *)OrgSteamCDir_hkcu, Size1_hkcu);
RegSetValueExW(Registrykey, L"SteamClientDll64", NULL, REG_SZ, (const BYTE *)OrgSteamCDir64_hkcu, Size2_hkcu);
RegSetValueExW(Registrykey, L"ActiveUser", NULL, REG_DWORD, (const BYTE *)&OrgSteamActiveUser_hkcu, sizeof(DWORD));
RegSetValueExW(Registrykey, L"Universe", NULL, REG_SZ, (const BYTE *)OrgSteamUniverse_hkcu, Size4_hkcu);
// Close the HKEY Handle.
RegCloseKey(Registrykey);
} else {
logger.write("Unable to restore the original registry entry (HKCU), error = " + std::to_string(GetLastError()));
}
}
static bool orig_steam_hkcu_2 = false;
static WCHAR OrgSteamModDir_hkcu_2[8192] = { 0 };
static DWORD Size1_hkcu_2 = sizeof(OrgSteamModDir_hkcu_2);
static WCHAR OrgSteamPath_hkcu_2[8192] = { 0 };
static DWORD Size2_hkcu_2 = sizeof(OrgSteamPath_hkcu_2);
static WCHAR OrgSteamExe_2[8192] = { 0 };
static DWORD Size3_hkcu_2 = sizeof(OrgSteamExe_2);
static bool patch_registry_hkcu_2()
{
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
orig_steam_hkcu_2 = true;
// Get original values to restore later.
DWORD keyType = REG_SZ;
RegQueryValueExW(Registrykey, L"SourceModInstallPath", 0, &keyType, (LPBYTE)OrgSteamModDir_hkcu_2, &Size1_hkcu_2);
RegQueryValueExW(Registrykey, L"SteamPath", 0, &keyType, (LPBYTE)OrgSteamPath_hkcu_2, &Size2_hkcu_2);
RegQueryValueExW(Registrykey, L"SteamExe", 0, &keyType, (LPBYTE)OrgSteamExe_2, &Size3_hkcu_2);
logger.write("Found previous registry entry (HKCU #2) for Steam");
} else if (RegCreateKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam", 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &Registrykey, NULL) == ERROR_SUCCESS) {
logger.write("Created new registry entry (HKCU #2) for Steam");
} else {
logger.write("Unable to patch Registry (HKCU #2), error = " + std::to_string(GetLastError()));
return false;
}
auto my_path = common_helpers::to_wstr(pe_helpers::get_current_exe_path());
my_path.pop_back(); // remove last '\\'
const auto my_exe = common_helpers::to_wstr(pe_helpers::get_current_exe_path() + pe_helpers::get_current_exe_name());
if (AppId.size()) { // empty in persistent mode = 2
const auto appid_dword = std::stoul(AppId);
RegSetValueExW(Registrykey, L"RunningAppID", NULL, REG_DWORD, (const BYTE*)&appid_dword, sizeof(DWORD));
}
RegSetValueExW(Registrykey, L"SourceModInstallPath", NULL, REG_SZ, (const BYTE*)my_path.c_str(), static_cast<DWORD>((my_path.size() + 1) * sizeof(my_path[0])));
RegSetValueExW(Registrykey, L"SteamPath", NULL, REG_SZ, (const BYTE*)my_path.c_str(), static_cast<DWORD>((my_path.size() + 1) * sizeof(my_path[0])));
RegSetValueExW(Registrykey, L"SteamExe", NULL, REG_SZ, (const BYTE*)my_exe.c_str(), static_cast<DWORD>((my_exe.size() + 1) * sizeof(my_exe[0])));
RegCloseKey(Registrykey);
return true;
}
static void cleanup_registry_hkcu_2()
{
if (!orig_steam_hkcu_2) return;
logger.write("restoring registry entries (HKCU #2)");
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
// Restore the values.
RegSetValueExW(Registrykey, L"SourceModInstallPath", NULL, REG_SZ, (LPBYTE)OrgSteamModDir_hkcu_2, Size1_hkcu_2);
RegSetValueExW(Registrykey, L"SteamPath", NULL, REG_SZ, (LPBYTE)OrgSteamPath_hkcu_2, Size2_hkcu_2);
RegSetValueExW(Registrykey, L"SteamExe", NULL, REG_SZ, (LPBYTE)OrgSteamExe_2, Size3_hkcu_2);
// Close the HKEY Handle.
RegCloseKey(Registrykey);
} else {
logger.write("Unable to restore the original registry entry (HKCU #2), error = " + std::to_string(GetLastError()));
}
}
static bool orig_steam_hklm = false;
static WCHAR OrgInstallPath_hklm[8192] = { 0 };
static DWORD Size1_hklm = sizeof(OrgInstallPath_hklm);
static WCHAR OrgUniverse_hklm[8192] = { 0 };
static DWORD Size2_hklm = sizeof(OrgUniverse_hklm);
static bool patch_registry_hklm()
{
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, hklm_path.c_str(), 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
orig_steam_hklm = true;
// Get original values to restore later.
DWORD keyType = REG_SZ;
RegQueryValueExW(Registrykey, L"InstallPath", 0, &keyType, (LPBYTE)OrgInstallPath_hklm, &Size1_hklm);
RegQueryValueExW(Registrykey, L"Universe", 0, &keyType, (LPBYTE)OrgUniverse_hklm, &Size2_hklm);
logger.write("Found previous registry entry (HKLM) for Steam");
} else if (RegCreateKeyExW(HKEY_LOCAL_MACHINE, hklm_path.c_str(), 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &Registrykey, NULL) == ERROR_SUCCESS) {
logger.write("Created new registry entry (HKLM) for Steam");
} else {
logger.write("Unable to patch Registry (HKLM), error = " + std::to_string(GetLastError()));
return false;
}
auto my_path = common_helpers::to_wstr(pe_helpers::get_current_exe_path());
my_path.pop_back(); // remove last '\\'
RegSetValueExW(Registrykey, L"SteamPID", NULL, REG_DWORD, (const BYTE *)&ProcessID, sizeof(DWORD));
RegSetValueExW(Registrykey, L"InstallPath", NULL, REG_SZ, (const BYTE*)my_path.c_str(), static_cast<DWORD>((my_path.size() + 1) * sizeof(my_path[0])));
RegSetValueExW(Registrykey, L"Universe", NULL, REG_SZ, (const BYTE *)STEAM_UNIVERSE, (DWORD)sizeof(STEAM_UNIVERSE));
RegCloseKey(Registrykey);
return true;
}
static void cleanup_registry_hklm()
{
if (!orig_steam_hklm) return;
logger.write("restoring registry entries (HKLM)");
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, hklm_path.c_str(), 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
RegSetValueExW(Registrykey, L"InstallPath", NULL, REG_SZ, (const BYTE *)OrgInstallPath_hklm, Size1_hklm);
RegSetValueExW(Registrykey, L"Universe", NULL, REG_SZ, (const BYTE *)OrgUniverse_hklm, Size2_hklm);
RegCloseKey(Registrykey);
} else {
logger.write("Unable to restore the original registry entry (HKLM), error = " + std::to_string(GetLastError()));
}
}
static bool orig_steam_hkcs_1 = false;
static bool orig_steam_hkcs_2 = false;
static WCHAR OrgCommand_hkcs[8192] = { 0 };
static DWORD Size1_hkcs = sizeof(OrgCommand_hkcs);
static WCHAR OrgUrlProtocol_hkcs[8192] = { 0 };
static DWORD Size2_hkcs = sizeof(OrgUrlProtocol_hkcs);
static bool patch_registry_hkcs()
{
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"steam", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
orig_steam_hkcs_1 = true;
// Get original values to restore later.
DWORD keyType = REG_SZ;
RegQueryValueExW(Registrykey, L"URL Protocol", 0, &keyType, (LPBYTE)&OrgUrlProtocol_hkcs, &Size2_hkcs);
logger.write("Found previous registry entry (HKCS) #1 for Steam");
} else if (RegCreateKeyExW(HKEY_CLASSES_ROOT, L"steam", 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &Registrykey, NULL) == ERROR_SUCCESS) {
logger.write("Created new registry entry (HKCS) #1 for Steam");
} else {
logger.write("Unable to patch Registry (HKCS) #1, error = " + std::to_string(GetLastError()));
return false;
}
HKEY Registrykey_2 = { 0 };
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"steam\\Shell\\Open\\Command", 0, KEY_ALL_ACCESS, &Registrykey_2) == ERROR_SUCCESS) {
orig_steam_hkcs_2 = true;
// Get original values to restore later.
DWORD keyType = REG_SZ;
RegQueryValueExW(Registrykey_2, L"", 0, &keyType, (LPBYTE)&OrgCommand_hkcs, &Size1_hkcs);
logger.write("Found previous registry entry (HKCS) #2 for Steam");
} else if (RegCreateKeyExW(HKEY_CLASSES_ROOT, L"steam\\Shell\\Open\\Command", 0, 0, REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS, NULL, &Registrykey_2, NULL) == ERROR_SUCCESS) {
logger.write("Created new registry entry (HKCS) #2 for Steam");
} else {
logger.write("Unable to patch Registry (HKCS) #2, error = " + std::to_string(GetLastError()));
RegCloseKey(Registrykey);
return false;
}
RegSetValueExW(Registrykey, L"", NULL, REG_SZ, (const BYTE *)STEAM_URL_PROTOCOL, (DWORD)sizeof(STEAM_URL_PROTOCOL));
RegSetValueExW(Registrykey, L"URL Protocol", NULL, REG_SZ, (const BYTE *)L"", (DWORD)sizeof(L""));
RegCloseKey(Registrykey);
const auto cmd = common_helpers::to_wstr("\"" + pe_helpers::get_current_exe_path() + pe_helpers::get_current_exe_name() + "\" -- \"%1\"");
RegSetValueExW(Registrykey_2, L"", NULL, REG_SZ, (const BYTE*)cmd.c_str(), static_cast<DWORD>((cmd.size() + 1) * sizeof(cmd[0])));
RegCloseKey(Registrykey_2);
return true;
}
static void cleanup_registry_hkcs()
{
if (orig_steam_hkcs_2) {
logger.write("restoring registry entries (HKCS) #2");
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"steam\\Shell\\Open\\Command", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
RegSetValueExW(Registrykey, L"", NULL, REG_SZ, (const BYTE *)OrgCommand_hkcs, Size1_hkcs);
RegCloseKey(Registrykey);
} else {
logger.write("Unable to restore the original registry entry (HKCS) #2, error = " + std::to_string(GetLastError()));
}
}
if (orig_steam_hkcs_1) {
logger.write("restoring registry entries (HKCS) #1");
HKEY Registrykey = { 0 };
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, L"steam", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS) {
RegSetValueExW(Registrykey, L"URL Protocol", NULL, REG_SZ, (const BYTE *)OrgUrlProtocol_hkcs, Size2_hkcs);
RegCloseKey(Registrykey);
} else {
logger.write("Unable to restore the original registry entry (HKCS) #1, error = " + std::to_string(GetLastError()));
}
} else {
logger.write("removing registry entries (HKCS) #2 (added by loader)");
HKEY Registrykey = { 0 };
RegDeleteKeyW(HKEY_CLASSES_ROOT, L"steam");
}
}
static void set_steam_env_vars(const std::string &AppId)
{
SetEnvironmentVariableA("SteamAppId", AppId.c_str());
SetEnvironmentVariableA("SteamGameId", AppId.c_str());
// this env var conflicts with Steam Input
// SetEnvironmentVariableA("SteamOverlayGameId", AppId.c_str());
// these 2 wil be overridden by the emu
SetEnvironmentVariableW(L"SteamAppUser", L"cold_player");
SetEnvironmentVariableW(L"SteamUser", L"cold_player");
SetEnvironmentVariableW(L"SteamClientLaunch", L"1");
SetEnvironmentVariableW(L"SteamEnv", L"1");
SetEnvironmentVariableW(L"SteamPath", common_helpers::to_wstr(pe_helpers::get_current_exe_path()).c_str());
}
int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ PWSTR lpCmdLine, _In_ int nCmdShow)
{
IniFile = pe_helpers::get_current_exe_path() + std::filesystem::u8path(pe_helpers::get_current_exe_name()).stem().u8string() + ".ini";
logger.write("Searching for configuration file: " + IniFile);
if (!common_helpers::file_exist(IniFile)) {
IniFile = pe_helpers::get_current_exe_path() + "ColdClientLoader.ini";
logger.write("Searching for configuration file: " + IniFile);
}
if (!common_helpers::file_exist(IniFile)) {
logger.write("Couldn't find the configuration file");
MessageBoxA(NULL, "Couldn't find the configuration file.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
{
std::ifstream ini_stream( std::filesystem::u8path(IniFile), std::ios::binary | std::ios::in);
if (!ini_stream.is_open()) {
logger.write("Failed to open the configuration file");
MessageBoxA(NULL, "Failed to open the configuration file.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
auto err = local_ini.LoadData(ini_stream);
ini_stream.close();
logger.write("result of parsing ini '%s' %i (success == 0)", IniFile.c_str(), (int)err);
if (err != SI_OK) {
logger.write("Failed to load the configuration file");
MessageBoxA(NULL, "Failed to load the configuration file.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
}
ClientPath = common_helpers::to_absolute(
local_ini.GetValue("SteamClient", "SteamClientDll", ""),
pe_helpers::get_current_exe_path()
);
Client64Path = common_helpers::to_absolute(
local_ini.GetValue("SteamClient", "SteamClient64Dll", ""),
pe_helpers::get_current_exe_path()
);
ExeFile = common_helpers::to_absolute(
local_ini.GetValue("SteamClient", "Exe", ""),
pe_helpers::get_current_exe_path()
);
ExeRunDir = common_helpers::to_absolute(
local_ini.GetValue("SteamClient", "ExeRunDir", ""),
pe_helpers::get_current_exe_path()
);
ExeCommandLine = local_ini.GetValue("SteamClient", "ExeCommandLine", "");
AppId = local_ini.GetValue("SteamClient", "AppId", "");
// dlls to inject
ForceInjectSteamClient = local_ini.GetBoolValue("Injection", "ForceInjectSteamClient", false);
ForceInjectGameOverlayRenderer = local_ini.GetBoolValue("Injection", "ForceInjectGameOverlayRenderer", false);
DllsToInjectFolder = common_helpers::to_absolute(
local_ini.GetValue("Injection", "DllsToInjectFolder", ""),
pe_helpers::get_current_exe_path()
);
IgnoreInjectionError = local_ini.GetBoolValue("Injection", "IgnoreInjectionError", true);
IgnoreLoaderArchDifference = local_ini.GetBoolValue("Injection", "IgnoreLoaderArchDifference", false);
PersistentMode = local_ini.GetLongValue("Persistence", "Mode", 0);
// debug
ResumeByDebugger = local_ini.GetBoolValue("Debug", "ResumeByDebugger", false);
if (PersistentMode != 0 && PersistentMode != 1 && PersistentMode != 2) PersistentMode = 0;
// log everything
logger.write("SteamClient::Exe: " + ExeFile);
logger.write("SteamClient::ExeRunDir: " + ExeRunDir);
logger.write("SteamClient::ExeCommandLine: " + ExeCommandLine);
logger.write("SteamClient::AppId: " + AppId);
logger.write("SteamClient::SteamClient: " + ClientPath);
logger.write("SteamClient::SteamClient64Dll: " + Client64Path);
logger.write("SteamClient::PersistentMode: " + std::to_string(PersistentMode));
logger.write("SteamClient::ForceInjectSteamClient: " + std::to_string(ForceInjectSteamClient));
logger.write("SteamClient::ForceInjectGameOverlayRenderer: " + std::to_string(ForceInjectGameOverlayRenderer));
logger.write("Injection::DllsToInjectFolder: " + DllsToInjectFolder);
logger.write("Injection::IgnoreInjectionError: " + std::to_string(IgnoreInjectionError));
logger.write("Injection::IgnoreLoaderArchDifference: " + std::to_string(IgnoreLoaderArchDifference));
logger.write("Debug::ResumeByDebugger: " + std::to_string(ResumeByDebugger));
if (!common_helpers::file_exist(Client64Path)) {
logger.write("Couldn't find the requested SteamClient64Dll");
MessageBoxA(NULL, "Couldn't find the requested SteamClient64Dll.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
if (!common_helpers::file_exist(ClientPath)) {
logger.write("Couldn't find the requested SteamClientDll");
MessageBoxA(NULL, "Couldn't find the requested SteamClientDll.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
if (!common_helpers::file_exist(ExeFile)) {
logger.write("Couldn't find the requested Exe file");
MessageBoxA(NULL, "Couldn't find the requested Exe file.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
if (ExeRunDir.empty()) {
ExeRunDir = std::filesystem::u8path(ExeFile).parent_path().u8string();
logger.write("Setting ExeRunDir to: " + ExeRunDir);
}
if (!common_helpers::dir_exist(ExeRunDir)) {
logger.write("Couldn't find the requested Exe run dir");
MessageBoxA(NULL, "Couldn't find the requested Exe run dir.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
bool isDllsToInjectFolderFound = false;
if (DllsToInjectFolder.size()) {
isDllsToInjectFolderFound = common_helpers::dir_exist(DllsToInjectFolder);
if (!isDllsToInjectFolderFound) {
logger.write("Couldn't find the requested folder of dlls to inject");
MessageBoxA(NULL, "Couldn't find the requested folder of dlls to inject.", "ColdClientLoader", MB_ICONWARNING);
// it was requested to make this a non intrusive error, don't shutdown the whole thing because the folder is missing
// return 1;
}
}
exe_header = get_pe_header(ExeFile);
if (exe_header.empty()) {
logger.write("Couldn't read the exe header");
MessageBoxA(NULL, "Couldn't read the exe header.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
bool is_exe_32 = pe_helpers::is_module_32((HMODULE)&exe_header[0]);
bool is_exe_64 = pe_helpers::is_module_64((HMODULE)&exe_header[0]);
if (is_exe_32 == is_exe_64) { // ARM, or just a regular file
logger.write("The requested exe is invalid (neither 32 nor 64 bit)");
MessageBoxA(NULL, "The requested exe is invalid (neither 32 nor 64 bit)", "ColdClientLoader", MB_ICONERROR);
return 1;
}
if (is_exe_32) {
logger.write("Detected exe arch: x32");
} else {
logger.write("Detected exe arch: x64");
}
if (loader_is_32) {
logger.write("Detected loader arch: x32");
} else {
logger.write("Detected loader arch: x64");
}
if (loader_is_32 != is_exe_32) {
logger.write("Arch of loader and requested exe are different, it is advised to use the appropriate one");
if (!IgnoreLoaderArchDifference) {
MessageBoxA(NULL, "Arch of loader and requested exe are different,\nit is advised to use the appropriate one.", "ColdClientLoader", MB_OK);
}
}
if (isDllsToInjectFolderFound) {
std::string failed_dlls{};
dlls_to_inject = collect_dlls_to_inject(is_exe_32, failed_dlls);
if (failed_dlls.size() && !IgnoreInjectionError) {
int choice = MessageBoxA(
NULL,
("The following dlls cannot be injected:\n" + failed_dlls + "\nContinue ?").c_str(),
"ColdClientLoader",
MB_YESNO);
if (choice != IDYES) {
return 1;
}
}
}
if (ForceInjectGameOverlayRenderer) {
if (is_exe_32) {
auto GameOverlayPath = common_helpers::to_absolute(
"GameOverlayRenderer.dll",
std::filesystem::u8path(ClientPath).parent_path().u8string()
);
if (!common_helpers::file_exist(GameOverlayPath)) {
logger.write("Couldn't find GameOverlayRenderer.dll");
MessageBoxA(NULL, "Couldn't find GameOverlayRenderer.dll to inject.", "ColdClientLoader", MB_ICONWARNING);
} else {
dlls_to_inject.insert(dlls_to_inject.begin(), GameOverlayPath);
}
} else { // 64
auto GameOverlay64Path = common_helpers::to_absolute(
"GameOverlayRenderer64.dll",
std::filesystem::u8path(Client64Path).parent_path().u8string()
);
if (!common_helpers::file_exist(GameOverlay64Path)) {
logger.write("Couldn't find GameOverlayRenderer64.dll");
MessageBoxA(NULL, "Couldn't find GameOverlayRenderer64.dll to inject.", "ColdClientLoader", MB_ICONWARNING);
} else {
dlls_to_inject.insert(dlls_to_inject.begin(), GameOverlay64Path);
}
}
}
if (ForceInjectSteamClient) {
if (is_exe_32) {
dlls_to_inject.insert(dlls_to_inject.begin(), ClientPath);
} else {
dlls_to_inject.insert(dlls_to_inject.begin(), Client64Path);
}
}
if (PersistentMode != 2) {
if (AppId.size() && AppId[0]) {
try {
(void)std::stoul(AppId);
} catch(...) {
logger.write("AppId is not a valid number");
MessageBoxA(NULL, "AppId is not a valid number.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
set_steam_env_vars(AppId);
} else {
logger.write("You forgot to set the AppId");
MessageBoxA(NULL, "You forgot to set the AppId.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
} else { // steam://run/
constexpr const static wchar_t STEAM_LAUNCH_CMD_1[] = L"-- \"steam://run/";
constexpr const static wchar_t STEAM_LAUNCH_CMD_2[] = L"-- \"steam://rungameid/";
AppId.clear(); // we don't care about the app id in the ini
auto my_cmd = lpCmdLine && lpCmdLine[0]
? std::wstring(lpCmdLine)
: std::wstring();
//MessageBoxW(NULL, (my_cmd + L" ||| " + std::to_wstring(my_cmd.size())).c_str(), L"DEBUG ME", MB_OK);
logger.write(L"persistent mode 2 detecting steam launch cmd from: '" + my_cmd + L"'");
if (my_cmd.find(STEAM_LAUNCH_CMD_1) == 0) {
AppId = common_helpers::to_str( my_cmd.substr(sizeof(STEAM_LAUNCH_CMD_1) / sizeof(STEAM_LAUNCH_CMD_1[0]), my_cmd.find_first_of(L" \t")) );
logger.write("persistent mode 2 got steam launch cmd #1");
} else if (my_cmd.find(STEAM_LAUNCH_CMD_2) == 0) {
AppId = common_helpers::to_str( my_cmd.substr(sizeof(STEAM_LAUNCH_CMD_2) / sizeof(STEAM_LAUNCH_CMD_2[0]), my_cmd.find_first_of(L" \t")) );
logger.write("persistent mode 2 got steam launch cmd #2");
} else {
logger.write("persistent mode 2 didn't detect a valid steam launch cmd");
}
if (AppId.size()) {
set_steam_env_vars(AppId);
logger.write("persistent mode 2 will use app id = " + AppId);
} else {
logger.write("persistent mode 2 didn't find app id");
}
}
if (!patch_registry_hkcu()) {
cleanup_registry_hkcu();
cleanup_registry_hkcu_2();
cleanup_registry_hklm();
cleanup_registry_hkcs();
logger.write("Unable to patch Registry (HKCU).");
MessageBoxA(NULL, "Unable to patch Registry (HKCU).", "ColdClientLoader", MB_ICONERROR);
return 1;
}
if (!patch_registry_hkcu_2()) {
cleanup_registry_hkcu();
cleanup_registry_hkcu_2();
cleanup_registry_hklm();
cleanup_registry_hkcs();
logger.write("Unable to patch Registry (HKCU #2).");
MessageBoxA(NULL, "Unable to patch Registry (HKCU #2).", "ColdClientLoader", MB_ICONERROR);
return 1;
}
// this fails due to admin rights when Steam isn't installed, not a big deal
// ----------------------------------------------
patch_registry_hklm();
// if (!patch_registry_hklm()) {
// cleanup_registry_hkcu();
// cleanup_registry_hkcu_2();
// cleanup_registry_hklm();
// cleanup_registry_hkcs();
//
// logger.write("Unable to patch Registry (HKLM).");
// MessageBoxA(NULL, "Unable to patch Registry (HKLM).", "ColdClientLoader", MB_ICONERROR);
// return 1;
// }
// this fails due to admin rights, not a big deal
// ----------------------------------------------
patch_registry_hkcs();
// if (!patch_registry_hkcs()) {
// cleanup_registry_hkcu();
// cleanup_registry_hkcu_2();
// cleanup_registry_hklm();
// cleanup_registry_hkcs();
// logger.write("Unable to patch Registry (HKCS).");
// MessageBoxA(NULL, "Unable to patch Registry (HKCS).", "ColdClientLoader", MB_ICONERROR);
// return 1;
// }
if (PersistentMode != 2 || AppId.size()) { // persistent mode 0 or 1, or mode 2 with defined app id
STARTUPINFOW info = { 0 };
SecureZeroMemory(&info, sizeof(info));
info.cb = sizeof(info);
PROCESS_INFORMATION processInfo = { 0 };
SecureZeroMemory(&processInfo, sizeof(processInfo));
logger.write("spawning the requested EXE file");
const auto exe_file = common_helpers::to_wstr(ExeFile);
std::wstringstream cmdline{};
cmdline << L"\"" << exe_file << L"\" " << common_helpers::to_wstr(ExeCommandLine) << L" " << lpCmdLine;
auto CommandLine = cmdline.str();
if (!CreateProcessW(exe_file.c_str(), (LPWSTR)CommandLine.c_str(), NULL, NULL, TRUE, CREATE_SUSPENDED, NULL, common_helpers::to_wstr(ExeRunDir).c_str(), &info, &processInfo)) {
logger.write("Unable to load the requested EXE file, error = " + std::to_string(GetLastError()));
cleanup_registry_hkcu();
cleanup_registry_hkcu_2();
cleanup_registry_hklm();
cleanup_registry_hkcs();
MessageBoxA(NULL, "Unable to load the requested EXE file.", "ColdClientLoader", MB_ICONERROR);
return 1;
}
logger.write("injecting " + std::to_string(dlls_to_inject.size()) + " dlls");
for (const auto &dll : dlls_to_inject) {
logger.write("Injecting dll: '" + dll + "' ...");
const char *err_inject = nullptr;
DWORD code = pe_helpers::loadlib_remote(processInfo.hProcess, dll, &err_inject);
if (code != ERROR_SUCCESS) {
auto err_full =
std::string("Failed to inject the dll: ") + dll + "\n" +
err_inject + "\n" +
pe_helpers::get_err_string(code) + "\n" +
"Error code = " + std::to_string(code) + "\n";
logger.write(err_full);
if (!IgnoreInjectionError) {
TerminateProcess(processInfo.hProcess, 1);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
cleanup_registry_hkcu();
cleanup_registry_hkcu_2();
cleanup_registry_hklm();
cleanup_registry_hkcs();
MessageBoxA(NULL, err_full.c_str(), "ColdClientLoader", MB_ICONERROR);
return 1;
}
} else {
logger.write("Injected!");
}
}
// run
if (!ResumeByDebugger) {
logger.write("resuming the main thread of the exe");
// MessageBoxA(nullptr, "Wait then press ok", "Wait some seconds", MB_OK);
// games like house flipper 2 won't launch until the previous exe has exited, which takes some seconds
if (PersistentMode == 2) {
std::this_thread::sleep_for(std::chrono::seconds(5));
}
ResumeThread(processInfo.hThread);
} else {
std::string msg = "Attach a debugger now to PID " + std::to_string(processInfo.dwProcessId) + " and resume its main thread";
logger.write(msg);
MessageBoxA(NULL, msg.c_str(), "ColdClientLoader", MB_OK);
}
// wait
WaitForSingleObject(processInfo.hThread, INFINITE);
CloseHandle(processInfo.hProcess);
CloseHandle(processInfo.hThread);
}
if (PersistentMode == 1 ) {
MessageBoxA(NULL, "Press OK when you have finished playing to close the loader", "Cold Client Loader (waiting)", MB_OK);
} else if (PersistentMode == 2 && AppId.empty()) {
MessageBoxA(NULL, "Start the game, then press OK when you have finished playing to close the loader", "Cold Client Loader (waiting)", MB_OK);
}
if (PersistentMode != 2 || AppId.empty()) { // persistent mode 0 or 1, or mode 2 without app id
cleanup_registry_hkcu();
cleanup_registry_hkcu_2();
cleanup_registry_hklm();
cleanup_registry_hkcs();
}
return 0;
}
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