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Fix proxy & hook mode on linux-x64

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acidicoala
2025-09-16 21:41:06 +05:00
parent 51709b53ad
commit 53afd78574
5 changed files with 51 additions and 46 deletions
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15
CMakeLists.txt
View File

@@ -109,16 +109,17 @@ if(WIN32)
DLL_FILES_GLOB "C:/Windows/System32/version.dll"
)
else()
# configure_linker_exports(
# TARGET SmokeAPI
# HEADER_NAME "libsteam_api_exports.cpp"
# FORWARDED_DLL "${STEAM_API_MODULE}_o.so"
# DLL_FILES_GLOB "${CMAKE_CURRENT_SOURCE_DIR}/res/steamworks/*/binaries/${LINUX_DIR}/${STEAM_API_MODULE}.so"
# INPUT_SOURCES_DIR ""
# )
configure_linker_exports(
TARGET SmokeAPI
HEADER_NAME "libsteam_api_exports.cpp"
FORWARDED_DLL "${STEAM_API_MODULE}_o.so"
DLL_FILES_GLOB "${CMAKE_CURRENT_SOURCE_DIR}/res/steamworks/*/binaries/${LINUX_DIR}/${STEAM_API_MODULE}.so"
INPUT_SOURCES_DIR ""
)
endif()
## https://github.com/batterycenter/embed
target_compile_definitions(SmokeAPI PUBLIC B_PRODUCTION_MODE)
CPMAddPackage(
URI "gh:batterycenter/embed@1.2.19"
OPTIONS "B_PRODUCTION_MODE ON"

2
KoalaBox

Submodule KoalaBox updated: cfcce0a712...fbb38c8c30

5
src/main_linux.cpp
View File

@@ -1,5 +1,7 @@
#include <dlfcn.h>
#include "koalabox/util.hpp"
#include "smoke_api/smoke_api.hpp"
extern "C" void __attribute__((constructor)) init() {
@@ -10,8 +12,7 @@ extern "C" void __attribute__((constructor)) init() {
void* handle = dlopen(info.dli_fname, RTLD_NOW | RTLD_NOLOAD);
smoke_api::init(handle);
} else {
OutputDebugString("Initialization error: failed to get own module handle.");
DebugBreak();
koalabox::util::panic("Initialization error: failed to get own module handle.");
}
}

53
src/smoke_api/smoke_api.cpp
View File

@@ -41,9 +41,13 @@
namespace {
namespace kb = koalabox;
void* original_steamapi_handle = nullptr;
void* steamapi_handle = nullptr;
std::set<std::string> find_steamclient_versions() {
if(!steamapi_handle) {
kb::util::panic("Invalid state. steamapi_handle is null.");
}
std::set<std::string> find_steamclient_versions(const HMODULE steamapi_handle) {
std::set<std::string> versions;
const auto rdata_section = kb::module::get_section_or_throw(steamapi_handle, kb::module::CONST_STR_SECTION);
@@ -60,30 +64,30 @@ namespace {
return versions;
}
// ReSharper disable once CppDFAConstantFunctionResult
bool on_steamclient_loaded(const HMODULE steamclient_handle) {
auto* const steamapi_handle = original_steamapi_handle
? original_steamapi_handle
: kb::module::get_library_handle(TEXT(STEAM_API_MODULE));
if(!steamapi_handle) {
LOG_ERROR("{} -> {} is not loaded", __func__, STEAM_API_MODULE);
return true;
}
static const auto CreateInterface$ = KB_MOD_GET_FUNC(steamclient_handle, CreateInterface);
const auto steamclient_versions = find_steamclient_versions(steamapi_handle);
if(steamapi_handle) {
// SteamAPI might have been initialized.
// Hence, we need to query SteamClient interfaces and hook them if needed.
const auto steamclient_versions = find_steamclient_versions();
for(const auto& steamclient_version : steamclient_versions) {
if(CreateInterface$(steamclient_version.c_str(), nullptr)) {
// TODO: This is not true when running under Proton or native Linux.
// Even before initialization, an interface will be returned,
// but GetISteamGenericInterface will still fail.
LOG_WARN("'{}' was already initialized. SmokeAPI might not work as expected.", steamclient_version);
LOG_WARN("Probable cause: SmokeAPI was injected too late. If possible, try injecting it earlier.");
#ifdef KB_WIN
if(!kb::util::is_wine_env()) {
LOG_WARN(
"'{}' was already initialized. SmokeAPI might not work as expected.", steamclient_version
);
LOG_WARN(
"Probable cause: SmokeAPI was injected too late. If possible, try injecting it earlier."
);
LOG_WARN("NOTE: You can safely ignore this warning if running under Proton or native Linux");
}
#endif
steam_interfaces::hook_steamclient_interface(steamclient_handle, steamclient_version);
} else {
LOG_INFO("'{}' is not initialized. Waiting for initialization.", steamclient_version);
LOG_INFO("'{}' has not been initialized. Waiting for initialization.", steamclient_version);
}
}
}
@@ -115,6 +119,7 @@ namespace smoke_api {
const auto exe_name = kb::path::to_str(exe_path.filename());
LOG_DEBUG("Process name: '{}' [{}-bit]", exe_name, kb::util::BITNESS);
LOG_DEBUG("Self handle: {}", module_handle);
// We need to hook functions in either mode
kb::hook::init(true);
@@ -129,7 +134,7 @@ namespace smoke_api {
start_dll_listener();
const auto self_path = kb::paths::get_self_dir();
original_steamapi_handle = kb::loader::load_original_library(
steamapi_handle = kb::loader::load_original_library(
self_path,
STEAM_API_MODULE
);
@@ -143,11 +148,13 @@ namespace smoke_api {
void shutdown() {
try {
if(original_steamapi_handle != nullptr) {
kb::module::unload_library(original_steamapi_handle);
original_steamapi_handle = nullptr;
if(steamapi_handle != nullptr) {
kb::module::unload_library(steamapi_handle);
steamapi_handle = nullptr;
}
kb::dll_monitor::shutdown_listener(nullptr);
// TODO: Unhook everything
LOG_INFO("Shutdown complete");

14
static/smoke_api/types.hpp
View File

@@ -40,19 +40,15 @@
* so __fastcall is simply ignored. However, RDX in this case
* will store the 1st actual argument to the function, so we
* have to omit it from the function signature.
*
* The macros below implement the above-mentioned considerations.
* Also, note the ## prefix before __VA_ARGS__. This enables a GCC extension
* which strips trailing comma if __VA_ARGS__ is empty.
*/
#ifdef _WIN64
#define PARAMS(...) const void* RCX, ##__VA_ARGS__
#define ARGS(...) RCX, ##__VA_ARGS__
#ifdef KB_64
#define PARAMS(...) const void* RCX __VA_OPT__(,) __VA_ARGS__
#define ARGS(...) RCX __VA_OPT__(,) __VA_ARGS__
#define THIS RCX
#define DECLARE_EDX()
#else
#define PARAMS(...) const void* ECX, const void* EDX, ##__VA_ARGS__
#define ARGS(...) ECX, EDX, ##__VA_ARGS__
#define PARAMS(...) const void* ECX, const void* EDX __VA_OPT__(,) __VA_ARGS__
#define ARGS(...) ECX, EDX __VA_OPT__(,) __VA_ARGS__
#define THIS ECX
#define DECLARE_EDX() const void* EDX = nullptr;
#endif