#include "plugins.h" #include "config/profile.h" #include "squirrel/squirrel.h" #include "plugins.h" #include "masterserver/masterserver.h" #include "core/convar/convar.h" #include "server/serverpresence.h" #include <optional> #include "util/version.h" #include "pluginbackend.h" #include "util/wininfo.h" #include "logging/logging.h" #include "dedicated/dedicated.h" PluginManager* g_pPluginManager; void freeLibrary(HMODULE hLib) { if (!FreeLibrary(hLib)) { spdlog::error("There was an error while trying to free library"); } } EXPORT void PLUGIN_LOG(LogMsg* msg) { spdlog::source_loc src {}; src.filename = msg->source.file; src.funcname = msg->source.func; src.line = msg->source.line; auto&& logger = g_pPluginManager->m_vLoadedPlugins[msg->pluginHandle].logger; logger->log(src, (spdlog::level::level_enum)msg->level, msg->msg); } EXPORT void* CreateObject(ObjectType type) { switch (type) { case ObjectType::CONVAR: return (void*)new ConVar; case ObjectType::CONCOMMANDS: return (void*)new ConCommand; default: return NULL; } } std::optional<Plugin> PluginManager::LoadPlugin(fs::path path, PluginInitFuncs* funcs, PluginNorthstarData* data) { Plugin plugin {}; std::string pathstring = path.string(); std::wstring wpath = path.wstring(); LPCWSTR wpptr = wpath.c_str(); HMODULE datafile = LoadLibraryExW(wpptr, 0, LOAD_LIBRARY_AS_DATAFILE | LOAD_LIBRARY_AS_IMAGE_RESOURCE); // Load the DLL as a data file if (datafile == NULL) { NS::log::PLUGINSYS->info("Failed to load library '{}': ", std::system_category().message(GetLastError())); return std::nullopt; } HRSRC manifestResource = FindResourceW(datafile, MAKEINTRESOURCEW(IDR_RCDATA1), RT_RCDATA); if (manifestResource == NULL) { NS::log::PLUGINSYS->info("Could not find manifest for library '{}'", pathstring); freeLibrary(datafile); return std::nullopt; } HGLOBAL myResourceData = LoadResource(datafile, manifestResource); if (myResourceData == NULL) { NS::log::PLUGINSYS->error("Failed to load manifest from library '{}'", pathstring); freeLibrary(datafile); return std::nullopt; } int manifestSize = SizeofResource(datafile, manifestResource); std::string manifest = std::string((const char*)LockResource(myResourceData), 0, manifestSize); freeLibrary(datafile); rapidjson_document manifestJSON; manifestJSON.Parse(manifest.c_str()); if (manifestJSON.HasParseError()) { NS::log::PLUGINSYS->error("Manifest for '{}' was invalid", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("name")) { NS::log::PLUGINSYS->error("'{}' is missing a name in its manifest", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("displayname")) { NS::log::PLUGINSYS->error("'{}' is missing a displayname in its manifest", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("description")) { NS::log::PLUGINSYS->error("'{}' is missing a description in its manifest", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("api_version")) { NS::log::PLUGINSYS->error("'{}' is missing a api_version in its manifest", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("version")) { NS::log::PLUGINSYS->error("'{}' is missing a version in its manifest", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("run_on_server")) { NS::log::PLUGINSYS->error("'{}' is missing 'run_on_server' in its manifest", pathstring); return std::nullopt; } if (!manifestJSON.HasMember("run_on_client")) { NS::log::PLUGINSYS->error("'{}' is missing 'run_on_client' in its manifest", pathstring); return std::nullopt; } auto test = manifestJSON["api_version"].GetString(); if (strcmp(manifestJSON["api_version"].GetString(), std::to_string(ABI_VERSION).c_str())) { NS::log::PLUGINSYS->error( "'{}' has an incompatible API version number '{}' in its manifest. Current ABI version is '{}'", pathstring, ABI_VERSION); return std::nullopt; } // Passed all checks, going to actually load it now HMODULE pluginLib = LoadLibraryW(wpptr); // Load the DLL as a data file if (pluginLib == NULL) { NS::log::PLUGINSYS->info("Failed to load library '{}': ", std::system_category().message(GetLastError())); return std::nullopt; } plugin.init = (PLUGIN_INIT_TYPE)GetProcAddress(pluginLib, "PLUGIN_INIT"); if (plugin.init == NULL) { NS::log::PLUGINSYS->info("Library '{}' has no function 'PLUGIN_INIT'", pathstring); return std::nullopt; } NS::log::PLUGINSYS->info("Succesfully loaded {}", pathstring); plugin.name = manifestJSON["name"].GetString(); plugin.displayName = manifestJSON["displayname"].GetString(); plugin.description = manifestJSON["description"].GetString(); plugin.api_version = manifestJSON["api_version"].GetString(); plugin.version = manifestJSON["version"].GetString(); plugin.run_on_client = manifestJSON["run_on_client"].GetBool(); plugin.run_on_server = manifestJSON["run_on_server"].GetBool(); if (!plugin.run_on_server && IsDedicatedServer()) return std::nullopt; if (manifestJSON.HasMember("dependencyName")) { plugin.dependencyName = manifestJSON["dependencyName"].GetString(); } else { plugin.dependencyName = plugin.name; } plugin.init_sqvm_client = (PLUGIN_INIT_SQVM_TYPE)GetProcAddress(pluginLib, "PLUGIN_INIT_SQVM_CLIENT"); plugin.init_sqvm_server = (PLUGIN_INIT_SQVM_TYPE)GetProcAddress(pluginLib, "PLUGIN_INIT_SQVM_SERVER"); plugin.inform_sqvm_created = (PLUGIN_INFORM_SQVM_CREATED_TYPE)GetProcAddress(pluginLib, "PLUGIN_INFORM_SQVM_CREATED"); plugin.inform_sqvm_destroyed = (PLUGIN_INFORM_SQVM_DESTROYED_TYPE)GetProcAddress(pluginLib, "PLUGIN_INFORM_SQVM_DESTROYED"); plugin.push_presence = (PLUGIN_PUSH_PRESENCE_TYPE)GetProcAddress(pluginLib, "PLUGIN_RECEIVE_PRESENCE"); plugin.inform_dll_load = (PLUGIN_INFORM_DLL_LOAD_TYPE)GetProcAddress(pluginLib, "PLUGIN_INFORM_DLL_LOAD"); plugin.handle = m_vLoadedPlugins.size(); plugin.logger = std::make_shared<ColoredLogger>(plugin.displayName.c_str(), NS::Colors::PLUGIN); RegisterLogger(plugin.logger); NS::log::PLUGINSYS->info("Loading plugin {} version {}", plugin.displayName, plugin.version); m_vLoadedPlugins.push_back(plugin); plugin.init(funcs, data); return plugin; } bool PluginManager::LoadPlugins() { std::vector<fs::path> paths; pluginPath = GetNorthstarPrefix() + "/plugins"; PluginNorthstarData data {}; std::string ns_version {version}; PluginInitFuncs funcs {}; funcs.logger = PLUGIN_LOG; funcs.relayInviteFunc = nullptr; funcs.createObject = CreateObject; init_plugincommunicationhandler(); data.version = ns_version.c_str(); data.northstarModule = g_NorthstarModule; if (strstr(GetCommandLineA(), "-noplugins") != NULL) { NS::log::PLUGINSYS->warn("-noplugins detected; skipping loading plugins"); return false; } if (!fs::exists(pluginPath)) { NS::log::PLUGINSYS->warn("Could not find a plugins directory. Skipped loading plugins"); return false; } // ensure dirs exist fs::recursive_directory_iterator iterator(pluginPath); if (std::filesystem::begin(iterator) == std::filesystem::end(iterator)) { NS::log::PLUGINSYS->warn("Could not find any plugins. Skipped loading plugins"); return false; } for (auto const& entry : iterator) { if (fs::is_regular_file(entry) && entry.path().extension() == ".dll") paths.emplace_back(entry.path()); } for (fs::path path : paths) { if (LoadPlugin(path, &funcs, &data)) data.pluginHandle += 1; } return true; } void PluginManager::InformSQVMLoad(ScriptContext context, SquirrelFunctions* s) { for (auto plugin : m_vLoadedPlugins) { if (context == ScriptContext::CLIENT && plugin.init_sqvm_client != NULL) { plugin.init_sqvm_client(s); } else if (context == ScriptContext::SERVER && plugin.init_sqvm_server != NULL) { plugin.init_sqvm_server(s); } } } void PluginManager::InformSQVMCreated(ScriptContext context, CSquirrelVM* sqvm) { for (auto plugin : m_vLoadedPlugins) { if (plugin.inform_sqvm_created != NULL) { plugin.inform_sqvm_created(context, sqvm); } } } void PluginManager::InformSQVMDestroyed(ScriptContext context) { for (auto plugin : m_vLoadedPlugins) { if (plugin.inform_sqvm_destroyed != NULL) { plugin.inform_sqvm_destroyed(context); } } } void PluginManager::PushPresence(PluginGameStatePresence* data) { for (auto plugin : m_vLoadedPlugins) { if (plugin.push_presence != NULL) { plugin.push_presence(data); } } } void PluginManager::InformDLLLoad(PluginLoadDLL dll, void* data) { for (auto plugin : m_vLoadedPlugins) { if (plugin.inform_dll_load != NULL) { plugin.inform_dll_load(dll, data); } } }