mirror of
https://github.com/Detanup01/gbe_fork.git
synced 2024-11-27 05:04:01 +08:00
refactored the entire win client loader to use C++ + use relative paths to the exe itself + added a debug log
This commit is contained in:
otavepto
parent
d1fdde23cc
commit
00ace6727d
@ -1,9 +1,10 @@
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// My own modified version of ColdClientLoader originally written by Rat431
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// a Modified version of ColdClientLoader originally written by Rat431
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// https://github.com/Rat431/ColdAPI_Steam/tree/master/src/ColdClientLoader
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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// Windows Header Files
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#include <windows.h>
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#include "common_helpers/common_helpers.hpp"
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#include "pe_helpers/pe_helpers.hpp"
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#include "dbg_log/dbg_log.hpp"
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// C RunTime Header Files
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#include <stdlib.h>
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#include <malloc.h>
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@ -12,94 +13,104 @@
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#include <stdio.h>
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#include <string>
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#include "pe_helpers/pe_helpers.hpp"
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bool IsNotRelativePathOrRemoveFileName(WCHAR* output, bool Remove)
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static const std::wstring IniFile = pe_helpers::get_current_exe_path_w() + L"ColdClientLoader.ini";
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static const std::wstring dbg_file = pe_helpers::get_current_exe_path_w() + L"COLD_LDR_LOG.txt";
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constexpr static const char STEAM_UNIVERSE[] = "Public";
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std::wstring get_ini_value(LPCWSTR section, LPCWSTR key, LPCWSTR default_val = NULL)
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{
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int LG = lstrlenW(output);
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for (int i = LG; i > 0; i--) {
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if (output[i] == '\\') {
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if(Remove)
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RtlFillMemory(&output[i], (LG - i) * sizeof(WCHAR), NULL);
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return true;
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std::vector<wchar_t> buff(INT16_MAX);
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DWORD read_chars = GetPrivateProfileStringW(section, key, default_val, &buff[0], (DWORD)buff.size(), IniFile.c_str());
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if (!read_chars) {
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std::wstring();
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}
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// "If neither lpAppName nor lpKeyName is NULL and the supplied destination buffer is too small to hold the requested string, the return value is equal to nSize minus one"
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int trials = 3;
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while ((read_chars == (buff.size() - 1)) && trials > 0) {
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buff.resize(buff.size() * 2);
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read_chars = GetPrivateProfileStringW(section, key, default_val, &buff[0], (DWORD)buff.size(), IniFile.c_str());
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--trials;
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}
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return false;
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return std::wstring(&buff[0], read_chars);
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}
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int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPWSTR lpCmdLine, _In_ int nCmdShow)
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{
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WCHAR CurrentDirectory[MAX_PATH] = { 0 };
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WCHAR Client64Path[MAX_PATH] = { 0 };
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WCHAR ClientPath[MAX_PATH] = { 0 };
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WCHAR ExeFile[MAX_PATH] = { 0 };
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WCHAR ExeRunDir[MAX_PATH] = { 0 };
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WCHAR ExeCommandLine[4096] = { 0 };
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WCHAR AppId[128] = { 0 };
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dbg_log::init(dbg_file.c_str());
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int Length = GetModuleFileNameW(GetModuleHandleW(NULL), CurrentDirectory, sizeof(CurrentDirectory)) + 1;
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for (int i = Length; i > 0; i--) {
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if (CurrentDirectory[i] == '\\') {
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lstrcpyW(&CurrentDirectory[i + 1], L"ColdClientLoader.ini");
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break;
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}
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}
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if (GetFileAttributesW(CurrentDirectory) == INVALID_FILE_ATTRIBUTES) {
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MessageBoxA(NULL, "Couldn't find the configuration file(ColdClientLoader.ini).", "ColdClientLoader", MB_ICONERROR);
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if (!common_helpers::file_exist(IniFile)) {
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dbg_log::write(L"Couldn't find the configuration file: " + dbg_file);
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MessageBoxA(NULL, "Couldn't find the configuration file ColdClientLoader.ini.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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GetPrivateProfileStringW(L"SteamClient", L"SteamClient64Dll", L"", Client64Path, MAX_PATH, CurrentDirectory);
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GetPrivateProfileStringW(L"SteamClient", L"SteamClientDll", L"", ClientPath, MAX_PATH, CurrentDirectory);
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GetPrivateProfileStringW(L"SteamClient", L"Exe", NULL, ExeFile, MAX_PATH, CurrentDirectory);
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GetPrivateProfileStringW(L"SteamClient", L"ExeRunDir", NULL, ExeRunDir, MAX_PATH, CurrentDirectory);
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GetPrivateProfileStringW(L"SteamClient", L"ExeCommandLine", NULL, ExeCommandLine, 4096, CurrentDirectory);
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GetPrivateProfileStringW(L"SteamClient", L"AppId", NULL, AppId, sizeof(AppId), CurrentDirectory);
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std::wstring Client64Path = common_helpers::to_absolute(
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get_ini_value(L"SteamClient", L"SteamClient64Dll"),
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pe_helpers::get_current_exe_path_w()
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);
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if (AppId[0]) {
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SetEnvironmentVariableW(L"SteamAppId", AppId);
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SetEnvironmentVariableW(L"SteamGameId", AppId);
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SetEnvironmentVariableW(L"SteamOverlayGameId", AppId);
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std::wstring ClientPath = common_helpers::to_absolute(
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get_ini_value(L"SteamClient", L"SteamClientDll"),
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pe_helpers::get_current_exe_path_w()
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);
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std::wstring ExeFile = common_helpers::to_absolute(
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get_ini_value(L"SteamClient", L"Exe"),
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pe_helpers::get_current_exe_path_w()
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);
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std::wstring ExeRunDir = common_helpers::to_absolute(
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get_ini_value(L"SteamClient", L"ExeRunDir"),
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pe_helpers::get_current_exe_path_w()
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);
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std::wstring ExeCommandLine = get_ini_value(L"SteamClient", L"ExeCommandLine");
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std::wstring AppId = get_ini_value(L"SteamClient", L"AppId");
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// log everything
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dbg_log::write(L"SteamClient64Dll: " + Client64Path);
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dbg_log::write(L"SteamClient: " + ClientPath);
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dbg_log::write(L"Exe: " + ExeFile);
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dbg_log::write(L"ExeRunDir: " + ExeRunDir);
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dbg_log::write(L"ExeCommandLine: " + ExeCommandLine);
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dbg_log::write(L"AppId: " + AppId);
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if (AppId.size() && AppId[0]) {
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SetEnvironmentVariableW(L"SteamAppId", AppId.c_str());
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SetEnvironmentVariableW(L"SteamGameId", AppId.c_str());
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SetEnvironmentVariableW(L"SteamOverlayGameId", AppId.c_str());
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} else {
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dbg_log::write("You forgot to set the AppId");
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MessageBoxA(NULL, "You forgot to set the AppId.", "ColdClientLoader", MB_ICONERROR);
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return 1;
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}
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WCHAR TMP[MAX_PATH] = { 0 };
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if (!IsNotRelativePathOrRemoveFileName(Client64Path, false)) {
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lstrcpyW(TMP, Client64Path);
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SecureZeroMemory(Client64Path, sizeof(Client64Path));
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GetFullPathNameW(TMP, MAX_PATH, Client64Path, NULL);
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}
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if (!IsNotRelativePathOrRemoveFileName(ClientPath, false)) {
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lstrcpyW(TMP, ClientPath);
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SecureZeroMemory(ClientPath, sizeof(ClientPath));
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GetFullPathNameW(TMP, MAX_PATH, ClientPath, NULL);
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}
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if (!IsNotRelativePathOrRemoveFileName(ExeFile, false)) {
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lstrcpyW(TMP, ExeFile);
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SecureZeroMemory(ExeFile, sizeof(ExeFile));
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GetFullPathNameW(TMP, MAX_PATH, ExeFile, NULL);
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}
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if (!IsNotRelativePathOrRemoveFileName(ExeRunDir, false)) {
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lstrcpyW(TMP, ExeRunDir);
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SecureZeroMemory(ExeRunDir, sizeof(ExeRunDir));
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GetFullPathNameW(TMP, MAX_PATH, ExeRunDir, NULL);
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}
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if (GetFileAttributesW(Client64Path) == INVALID_FILE_ATTRIBUTES) {
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if (!common_helpers::file_exist(Client64Path)) {
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dbg_log::write("Couldn't find the requested SteamClient64Dll");
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MessageBoxA(NULL, "Couldn't find the requested SteamClient64Dll.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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if (GetFileAttributesW(ClientPath) == INVALID_FILE_ATTRIBUTES) {
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if (!common_helpers::file_exist(ClientPath)) {
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dbg_log::write("Couldn't find the requested SteamClientDll");
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MessageBoxA(NULL, "Couldn't find the requested SteamClientDll.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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if (GetFileAttributesW(ExeFile) == INVALID_FILE_ATTRIBUTES) {
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if (!common_helpers::file_exist(ExeFile)) {
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dbg_log::write("Couldn't find the requested Exe file");
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MessageBoxA(NULL, "Couldn't find the requested Exe file.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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if (!common_helpers::dir_exist(ExeRunDir)) {
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dbg_log::write("Couldn't find the requested Exe run dir");
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MessageBoxA(NULL, "Couldn't find the requested Exe run dir.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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@ -110,10 +121,10 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance
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bool orig_steam = false;
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DWORD keyType = REG_SZ;
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WCHAR OrgSteamCDir[MAX_PATH] = { 0 };
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WCHAR OrgSteamCDir64[MAX_PATH] = { 0 };
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DWORD Size1 = MAX_PATH;
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DWORD Size2 = MAX_PATH;
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WCHAR OrgSteamCDir[8192] = { 0 };
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WCHAR OrgSteamCDir64[8192] = { 0 };
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DWORD Size1 = _countof(OrgSteamCDir);
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DWORD Size2 = _countof(OrgSteamCDir64);
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if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam\\ActiveProcess", 0, KEY_ALL_ACCESS, &Registrykey) == ERROR_SUCCESS)
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{
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orig_steam = true;
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@ -124,74 +135,39 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance
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if (RegCreateKeyExW(HKEY_CURRENT_USER, L"Software\\Valve\\Steam\\ActiveProcess", 0, 0, REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS, NULL, &Registrykey, NULL) != ERROR_SUCCESS)
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{
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dbg_log::write("Unable to patch Steam process informations on the Windows registry (ActiveProcess), error = " + std::to_string(GetLastError()));
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MessageBoxA(NULL, "Unable to patch Steam process informations on the Windows registry.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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}
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// Set values to Windows registry.
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RegSetValueExA(Registrykey, "ActiveUser", NULL, REG_DWORD, (LPBYTE)& UserId, sizeof(DWORD));
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RegSetValueExA(Registrykey, "pid", NULL, REG_DWORD, (LPBYTE)& ProcessID, sizeof(DWORD));
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{
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// Before saving to the registry check again if the path was valid and if the file exist
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if (GetFileAttributesW(ClientPath) != INVALID_FILE_ATTRIBUTES) {
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RegSetValueExW(Registrykey, L"SteamClientDll", NULL, REG_SZ, (LPBYTE)ClientPath, (DWORD)(lstrlenW(ClientPath) * sizeof(WCHAR)) + 1);
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}
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else {
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RegSetValueExW(Registrykey, L"SteamClientDll", NULL, REG_SZ, (LPBYTE)"", 0);
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}
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if (GetFileAttributesW(Client64Path) != INVALID_FILE_ATTRIBUTES) {
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RegSetValueExW(Registrykey, L"SteamClientDll64", NULL, REG_SZ, (LPBYTE)Client64Path, (DWORD)(lstrlenW(Client64Path) * sizeof(WCHAR)) + 1);
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}
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else {
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RegSetValueExW(Registrykey, L"SteamClientDll64", NULL, REG_SZ, (LPBYTE)"", 0);
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}
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}
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RegSetValueExA(Registrykey, "Universe", NULL, REG_SZ, (LPBYTE)"Public", (DWORD)lstrlenA("Public") + 1);
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RegSetValueExA(Registrykey, "ActiveUser", NULL, REG_DWORD, (const BYTE *)&UserId, sizeof(DWORD));
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RegSetValueExA(Registrykey, "pid", NULL, REG_DWORD, (const BYTE *)&ProcessID, sizeof(DWORD));
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RegSetValueExW(Registrykey, L"SteamClientDll", NULL, REG_SZ, (const BYTE *)ClientPath.c_str(), (ClientPath.size() + 1) * sizeof(ClientPath[0]));
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RegSetValueExW(Registrykey, L"SteamClientDll64", NULL, REG_SZ, (const BYTE *)Client64Path.c_str(), (Client64Path.size() + 1) * sizeof(Client64Path[0]));
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RegSetValueExA(Registrykey, "Universe", NULL, REG_SZ, (const BYTE *)STEAM_UNIVERSE, (DWORD)sizeof(STEAM_UNIVERSE));
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// Close the HKEY Handle.
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RegCloseKey(Registrykey);
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// dll to inject
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bool inject_extra_dll = false;
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std::wstring extra_dll(8192, L'\0');
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{
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auto read_chars = GetPrivateProfileStringW(L"Extra", L"InjectDll", L"", &extra_dll[0], extra_dll.size(), CurrentDirectory);
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if (extra_dll[0]) {
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extra_dll = extra_dll.substr(0, read_chars);
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} else {
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extra_dll.clear();
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}
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std::wstring extra_dll = common_helpers::to_absolute(
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get_ini_value(L"Extra", L"InjectDll"),
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pe_helpers::get_current_exe_path_w()
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);
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if (extra_dll.size()) {
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if (!IsNotRelativePathOrRemoveFileName(&extra_dll[0], false)) {
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std::wstring tmp = extra_dll;
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read_chars = GetFullPathNameW(tmp.c_str(), extra_dll.size(), &extra_dll[0], NULL);
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if (!read_chars) {
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MessageBoxA(NULL, "Unable to get full path of dll to inject.", "ColdClientLoader", MB_ICONERROR);
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return 1;
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}
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if (read_chars >= extra_dll.size()) {
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extra_dll.resize(read_chars);
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read_chars = GetFullPathNameW(tmp.c_str(), extra_dll.size(), &extra_dll[0], NULL);
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if (!read_chars) {
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MessageBoxA(NULL, "Unable to get full path of dll to inject after resizing buffer.", "ColdClientLoader", MB_ICONERROR);
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return 1;
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}
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}
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extra_dll = extra_dll.substr(0, read_chars);
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}
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if (GetFileAttributesW(extra_dll.c_str()) == INVALID_FILE_ATTRIBUTES) {
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dbg_log::write(L"InjectDll: " + extra_dll);
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if (!common_helpers::file_exist(extra_dll)) {
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dbg_log::write("Couldn't find the requested dll to inject");
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MessageBoxA(NULL, "Couldn't find the requested dll to inject.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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inject_extra_dll = true;
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}
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}
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// spawn the exe
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STARTUPINFOW info = { 0 };
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@ -202,10 +178,12 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance
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SecureZeroMemory(&processInfo, sizeof(processInfo));
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WCHAR CommandLine[16384] = { 0 };
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_snwprintf(CommandLine, _countof(CommandLine), L"\"%ls\" %ls %ls", ExeFile, ExeCommandLine, lpCmdLine);
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if (!ExeFile[0] || !CreateProcessW(ExeFile, CommandLine, NULL, NULL, TRUE, CREATE_SUSPENDED, NULL, ExeRunDir, &info, &processInfo))
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_snwprintf(CommandLine, _countof(CommandLine), L"\"%ls\" %ls %ls", ExeFile.c_str(), ExeCommandLine.c_str(), lpCmdLine);
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if (!CreateProcessW(ExeFile.c_str(), CommandLine, NULL, NULL, TRUE, CREATE_SUSPENDED, NULL, ExeRunDir.c_str(), &info, &processInfo))
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{
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dbg_log::write("Unable to load the requested EXE file");
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MessageBoxA(NULL, "Unable to load the requested EXE file.", "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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@ -219,30 +197,26 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance
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std::string(err_inject) + "\n" +
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pe_helpers::get_err_string(code) + "\n" +
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"Error code = " + std::to_string(code) + "\n";
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dbg_log::write(err_full);
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MessageBoxA(NULL, err_full.c_str(), "ColdClientLoader", MB_ICONERROR);
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dbg_log::close();
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return 1;
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}
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}
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bool run_exe = true;
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#ifndef EMU_RELEASE_BUILD
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{
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std::wstring dbg_file(50, L'\0');
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auto read_chars = GetPrivateProfileStringW(L"Debug", L"ResumeByDebugger", L"", &dbg_file[0], dbg_file.size(), CurrentDirectory);
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if (dbg_file[0]) {
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dbg_file = dbg_file.substr(0, read_chars);
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} else {
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dbg_file.clear();
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}
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for (auto &c : dbg_file) {
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std::wstring resume_by_dbg = get_ini_value(L"Debug", L"ResumeByDebugger");
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dbg_log::write(L"Debug::ResumeByDebugger: " + resume_by_dbg);
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for (auto &c : resume_by_dbg) {
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c = (wchar_t)std::tolower((int)c);
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}
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if (dbg_file == L"1" || dbg_file == L"y" || dbg_file == L"yes" || dbg_file == L"true") {
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if (resume_by_dbg == L"1" || resume_by_dbg == L"y" || resume_by_dbg == L"yes" || resume_by_dbg == L"true") {
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run_exe = false;
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std::string msg = "Attach a debugger now to PID " + std::to_string(processInfo.dwProcessId) + " and resume its main thread";
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dbg_log::write(msg);
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MessageBoxA(NULL, msg.c_str(), "ColdClientLoader", MB_OK);
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}
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}
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#endif
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// run
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@ -264,8 +238,11 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance
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// Close the HKEY Handle.
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RegCloseKey(Registrykey);
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} else {
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dbg_log::write("Unable to restore the original Steam process informations in the Windows registry, error = " + std::to_string(GetLastError()));
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}
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}
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dbg_log::close();
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return 0;
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}
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