/// <summary> /// Initializes the Lua environment /// </summary> private void InitializeLua() { // Create the Lua environment LuaEnvironment = new NLua.Lua(); // Filter useless or potentially malicious libraries/functions LuaEnvironment["os"] = null; LuaEnvironment["io"] = null; LuaEnvironment["require"] = null; LuaEnvironment["dofile"] = null; LuaEnvironment["package"] = null; LuaEnvironment["luanet"] = null; LuaEnvironment["load"] = null; // Read util methods setmetatable = LuaEnvironment["setmetatable"] as LuaFunction; // Create metatables //Type mytype = GetType(); LuaEnvironment.NewTable("tmp"); overloadselectormeta = LuaEnvironment["tmp"] as LuaTable; //LuaEnvironment.RegisterFunction("tmp.__index", mytype.GetMethod("FindOverload", BindingFlags.Public | BindingFlags.Static)); LuaEnvironment.NewTable("tmp"); // Ideally I'd like for this to be implemented C# side, but using C#-bound methods as metamethods seems dodgy LuaEnvironment.LoadString( @"function tmp:__index( key ) local sftbl = rawget( self, '_sftbl' ) local field = sftbl[ key ] if (field) then return field:GetValue( nil ) end end function tmp:__newindex( key, value ) local sftbl = rawget( self, '_sftbl' ) local field = sftbl[ key ] if (field) then field:SetValue( nil, value ) end end ", "LuaExtension").Call(); //LuaEnvironment.RegisterFunction("tmp.__index", mytype.GetMethod("ReadStaticProperty", BindingFlags.NonPublic | BindingFlags.Static)); //LuaEnvironment.RegisterFunction("tmp.__newindex", mytype.GetMethod("WriteStaticProperty", BindingFlags.NonPublic | BindingFlags.Static)); typetablemeta = LuaEnvironment["tmp"] as LuaTable; LuaEnvironment["tmp"] = null; LuaEnvironment.NewTable("tmp"); LuaEnvironment.LoadString( @"function tmp:__index( key ) if (type( key ) == 'table') then local baseType = rawget( self, '_type' ) return util.SpecializeType( baseType, key ) end end ", "LuaExtension").Call(); generictypetablemeta = LuaEnvironment["tmp"] as LuaTable; LuaEnvironment["tmp"] = null; LuaEnvironment.NewTable("libraryMetaTable"); LuaEnvironment.LoadString( @"function libraryMetaTable:__index( key ) local ptbl = rawget( self, '_properties' ) local property = ptbl[ key ] if (property) then return property:GetValue( rawget( self, '_object' ), null ) end end function libraryMetaTable:__newindex( key, value ) local ptbl = rawget( self, '_properties' ) local property = ptbl[ key ] if (property) then property:SetValue( rawget( self, '_object' ), value ) end end ", "LuaExtension").Call(); libraryMetaTable = LuaEnvironment["libraryMetaTable"] as LuaTable; LuaEnvironment["libraryMetaTable"] = null; LuaEnvironment.NewTable("tmp"); PluginMetatable = LuaEnvironment["tmp"] as LuaTable; LuaEnvironment.LoadString( @"function tmp:__newindex( key, value ) if (type( value ) ~= 'function') then return rawset( self, key, value ) end local activeAttrib = rawget( self, '_activeAttrib' ) if (not activeAttrib) then return rawset( self, key, value ) end if (activeAttrib == self) then print( 'PluginMetatable.__newindex - self._activeAttrib was somehow self!' ) rawset( self, key, value ) return end local attribArr = rawget( self, '_attribArr' ) if (not attribArr) then attribArr = {} rawset( self, '_attribArr', attribArr ) end activeAttrib._func = value attribArr[#attribArr + 1] = activeAttrib rawset( self, '_activeAttrib', nil ) end ", "LuaExtension").Call(); LuaEnvironment["tmp"] = null; }
/// <summary> /// Initialises the Lua environment /// </summary> private void InitialiseLua() { // Create the Lua environment LuaEnvironment = new NLua.Lua(); // Filter useless or potentially malicious libraries/functions LuaEnvironment["os"] = null; LuaEnvironment["io"] = null; LuaEnvironment["require"] = null; LuaEnvironment["dofile"] = null; LuaEnvironment["package"] = null; LuaEnvironment["luanet"] = null; LuaEnvironment["load"] = null; // Read util methods setmetatable = LuaEnvironment["setmetatable"] as LuaFunction; // Create metatables //Type mytype = GetType(); LuaEnvironment.NewTable("tmp"); overloadselectormeta = LuaEnvironment["tmp"] as LuaTable; //LuaEnvironment.RegisterFunction("tmp.__index", mytype.GetMethod("FindOverload", BindingFlags.Public | BindingFlags.Static)); LuaEnvironment.NewTable("tmp"); // Ideally I'd like for this to be implemented C# side, but using C#-bound methods as metamethods seems dodgy LuaEnvironment.LoadString( @"function tmp:__index( key ) local sftbl = rawget( self, '_sftbl' ) local field = sftbl[ key ] if (field) then return field:GetValue( nil ) end end function tmp:__newindex( key, value ) local sftbl = rawget( self, '_sftbl' ) local field = sftbl[ key ] if (field) then field:SetValue( nil, value ) end end ", "LuaExtension").Call(); //LuaEnvironment.RegisterFunction("tmp.__index", mytype.GetMethod("ReadStaticProperty", BindingFlags.NonPublic | BindingFlags.Static)); //LuaEnvironment.RegisterFunction("tmp.__newindex", mytype.GetMethod("WriteStaticProperty", BindingFlags.NonPublic | BindingFlags.Static)); typetablemeta = LuaEnvironment["tmp"] as LuaTable; LuaEnvironment["tmp"] = null; // Bind all namespaces and types foreach (var type in AppDomain.CurrentDomain.GetAssemblies() .Where(AllowAssemblyAccess) .SelectMany(Utility.GetAllTypesFromAssembly) .Where(AllowTypeAccess)) { // Get the namespace table LuaTable nspacetable = GetNamespaceTable(Utility.GetNamespace(type)); // Bind the type nspacetable[type.Name] = CreateTypeTable(type); } }
public void TestEmptyTableInConfig() { Lua lua = new Lua(); lua.LoadString("TeleportData = { AdminTP = {}, Test = 3, ABC=4 }", "test").Call(); LuaTable tdata = lua["TeleportData"] as LuaTable; DynamicConfigFile cfgfile = new DynamicConfigFile(); Utility.SetConfigFromTable(cfgfile, tdata); Assert.AreEqual(3, cfgfile["Test"], "Failed TeleportData.Test"); Assert.AreEqual(4, cfgfile["ABC"], "Failed TeleportData.ABC"); //Assert.IsInstanceOfType(cfgfile["AdminTP"], typeof(List<string, object>), "Failed TeleportData.AdminTP"); string tmp = Path.GetTempFileName(); cfgfile.Save(tmp); string text = File.ReadAllText(tmp); File.Delete(tmp); }
public void TestLoadStringLeak () { //Test to prevent stack overflow //See: http://code.google.com/p/nlua/issues/detail?id=5 //number of iterations to test int count = 1000; using (Lua lua = new Lua ()) { for (int i = 0; i < count; i++) { lua.LoadString ("abc = 'def'", string.Empty); } } //any thrown exceptions cause the test run to fail }
/// <summary> /// Loads Oxide /// </summary> private void Load() { // Initialise SSL System.Net.ServicePointManager.Expect100Continue = false; System.Net.ServicePointManager.ServerCertificateValidationCallback = (object sender, System.Security.Cryptography.X509Certificates.X509Certificate certificate, System.Security.Cryptography.X509Certificates.X509Chain chain, System.Net.Security.SslPolicyErrors sslPolicyErrors) => { return true; }; System.Net.ServicePointManager.DefaultConnectionLimit = 200; // Determine the absolute path of the server instance serverpath = Path.GetDirectoryName(Path.GetFullPath(Application.dataPath)); string[] cmdline = Environment.GetCommandLineArgs(); for (int i = 0; i < cmdline.Length - 1; i++) { string arg = cmdline[i].ToLower(); if (arg == "-serverinstancedir" || arg == "-oxidedir") { try { serverpath = Path.GetFullPath(cmdline[++i]); } catch (Exception ex) { Logger.Error("Failed to read server instance directory from command line!", ex); } } } // Ensure directories exist if (!Directory.Exists(serverpath)) Directory.CreateDirectory(serverpath); if (!Directory.Exists(GetPath("plugins"))) Directory.CreateDirectory(GetPath("plugins")); if (!Directory.Exists(GetPath("data"))) Directory.CreateDirectory(GetPath("data")); if (!Directory.Exists(GetPath("logs"))) Directory.CreateDirectory(GetPath("logs")); Logger.Message(string.Format("Loading at {0}...", serverpath)); // Initialise the Unity component oxideobject = new GameObject("Oxide"); oxidecomponent = oxideobject.AddComponent<OxideComponent>(); oxidecomponent.Oxide = this; // Hook things that we can't hook using the IL injector var serverinit = UnityEngine.Object.FindObjectOfType(Type.GetType("ServerInit, Assembly-CSharp")) as MonoBehaviour; serverinit.gameObject.AddComponent<ServerInitHook>(); // Initialise needed maps and collections datafiles = new Dictionary<string, Datafile>(); timers = new HashSet<Timer>(); webrequests = new HashSet<AsyncWebRequest>(); // Initialise the lua state lua = new Lua(); lua["os"] = null; lua["io"] = null; lua["require"] = null; lua["dofile"] = null; lua["package"] = null; lua["luanet"] = null; lua["load"] = null; // Register functions lua.NewTable("cs"); RegisterFunction("cs.print", "lua_Print"); RegisterFunction("cs.error", "lua_Error"); RegisterFunction("cs.callplugins", "lua_CallPlugins"); RegisterFunction("cs.findplugin", "lua_FindPlugin"); RegisterFunction("cs.requeststatic", "lua_RequestStatic"); RegisterFunction("cs.registerstaticmethod", "lua_RegisterStaticMethod"); RegisterFunction("cs.requeststaticproperty", "lua_RequestStaticProperty"); RegisterFunction("cs.requestproperty", "lua_RequestProperty"); RegisterFunction("cs.requeststaticfield", "lua_RequestStaticField"); RegisterFunction("cs.requestfield", "lua_RequestField"); RegisterFunction("cs.requestenum", "lua_RequestEnum"); RegisterFunction("cs.readproperty", "lua_ReadProperty"); RegisterFunction("cs.readfield", "lua_ReadField"); RegisterFunction("cs.castreadproperty", "lua_CastReadProperty"); RegisterFunction("cs.castreadfield", "lua_CastReadField"); RegisterFunction("cs.readulongpropertyasuint", "lua_ReadULongPropertyAsUInt"); RegisterFunction("cs.readulongpropertyasstring", "lua_ReadULongPropertyAsString"); RegisterFunction("cs.readulongfieldasuint", "lua_ReadULongFieldAsUInt"); RegisterFunction("cs.readulongfieldasstring", "lua_ReadULongFieldAsString"); RegisterFunction("cs.readpropertyandsetonarray", "lua_ReadPropertyAndSetOnArray"); RegisterFunction("cs.readfieldandsetonarray", "lua_ReadFieldAndSetOnArray"); RegisterFunction("cs.reloadplugin", "lua_ReloadPlugin"); RegisterFunction("cs.getdatafile", "lua_GetDatafile"); RegisterFunction("cs.getdatafilelist", "lua_GetDatafileList"); // LMP RegisterFunction("cs.removedatafile", "lua_RemoveDatafile"); // LMP RegisterFunction("cs.dump", "lua_Dump"); RegisterFunction("cs.createarrayfromtable", "lua_CreateArrayFromTable"); RegisterFunction("cs.createtablefromarray", "lua_CreateTableFromArray"); RegisterFunction("cs.gettype", "lua_GetType"); RegisterFunction("cs.makegenerictype", "lua_MakeGenericType"); RegisterFunction("cs.new", "lua_New"); RegisterFunction("cs.newarray", "lua_NewArray"); RegisterFunction("cs.convertandsetonarray", "lua_ConvertAndSetOnArray"); RegisterFunction("cs.getelementtype", "lua_GetElementType"); RegisterFunction("cs.newtimer", "lua_NewTimer"); RegisterFunction("cs.sendwebrequest", "lua_SendWebRequest"); RegisterFunction("cs.postwebrequest", "lua_PostWebRequest"); RegisterFunction("cs.throwexception", "lua_ThrowException"); RegisterFunction("cs.gettimestamp", "lua_GetTimestamp"); RegisterFunction("cs.loadstring", "lua_LoadString"); RegisterFunction("cs.createperfcounter", "lua_CreatePerfCounter"); // Register constants lua.NewTable("bf"); lua["bf.public_instance"] = BindingFlags.Public | BindingFlags.Instance; lua["bf.private_instance"] = BindingFlags.NonPublic | BindingFlags.Instance; lua["bf.public_static"] = BindingFlags.Public | BindingFlags.Static; lua["bf.private_static"] = BindingFlags.NonPublic | BindingFlags.Static; // Load the standard library Logger.Message("Loading standard library..."); lua.LoadString(LuaOxideSTL.csfunc, "csfunc.stl").Call(); lua.LoadString(LuaOxideSTL.json, "json.stl").Call(); lua.LoadString(LuaOxideSTL.util, "util.stl").Call(); lua.LoadString(LuaOxideSTL.type, "type.stl").Call(); lua.LoadString(LuaOxideSTL.baseplugin, "baseplugin.stl").Call(); lua.LoadString(LuaOxideSTL.rust, "rust.stl").Call(); lua.LoadString(LuaOxideSTL.config, "config.stl").Call(); lua.LoadString(LuaOxideSTL.plugins, "plugins.stl").Call(); lua.LoadString(LuaOxideSTL.timer, "timer.stl").Call(); lua.LoadString(LuaOxideSTL.webrequest, "webrequest.stl").Call(); lua.LoadString(LuaOxideSTL.validate, "validate.stl").Call(); // Initialise the plugin manager pluginmanager = new PluginManager(); // Iterate all physical plugins Logger.Message("Loading plugins..."); string[] files = Directory.GetFiles(GetPath("plugins"), "*.lua"); foreach (string file in files) { // Load and register the plugin Plugin p = new Plugin(lua); if (p.Load(file)) pluginmanager.AddPlugin(p); } // Call Init and PostInit on all plugins pluginmanager.Call("Init", null); pluginmanager.Call("PostInit", null); }
private Main() { try { // Determine the absolute path of the server instance serverpath = Path.GetDirectoryName(Path.GetFullPath(Application.dataPath)); string[] cmdline = Environment.GetCommandLineArgs(); for (int i = 0; i < cmdline.Length - 1; i++) { string arg = cmdline[i].ToLower(); if (arg == "-serverinstancedir" || arg == "-oxidedir") { try { serverpath = Path.GetFullPath(cmdline[++i]); } catch (Exception ex) { Logger.Error("Failed to read server instance directory from command line!", ex); } } } // Ensure directories exist if (!Directory.Exists(serverpath)) Directory.CreateDirectory(serverpath); if (!Directory.Exists(GetPath("plugins"))) Directory.CreateDirectory(GetPath("plugins")); if (!Directory.Exists(GetPath("data"))) Directory.CreateDirectory(GetPath("data")); if (!Directory.Exists(GetPath("logs"))) Directory.CreateDirectory(GetPath("logs")); Logger.Message(string.Format("Loading at {0}...", serverpath)); // Initialise the Unity component oxideobject = new GameObject("Oxide"); oxidecomponent = oxideobject.AddComponent<OxideComponent>(); oxidecomponent.Oxide = this; // Hook things that we can't hook using the IL injector var serverinit = UnityEngine.Object.FindObjectOfType(Type.GetType("ServerInit, Assembly-CSharp")) as MonoBehaviour; serverinit.gameObject.AddComponent<ServerInitHook>(); // Initialise needed maps and collections datafiles = new Dictionary<string, Datafile>(); plugins = new Dictionary<string, LuaTable>(); timers = new HashSet<Timer>(); webrequests = new HashSet<AsyncWebRequest>(); // Initialise the lua state lua = new Lua(); lua["os"] = null; lua["io"] = null; lua["require"] = null; lua["dofile"] = null; lua["package"] = null; lua["luanet"] = null; lua["load"] = null; // Register functions lua.NewTable("cs"); RegisterFunction("cs.print", "lua_Print"); RegisterFunction("cs.error", "lua_Error"); RegisterFunction("cs.callplugins", "lua_CallPlugins"); RegisterFunction("cs.findplugin", "lua_FindPlugin"); RegisterFunction("cs.requeststatic", "lua_RequestStatic"); RegisterFunction("cs.registerstaticmethod", "lua_RegisterStaticMethod"); RegisterFunction("cs.requeststaticproperty", "lua_RequestStaticProperty"); RegisterFunction("cs.requestproperty", "lua_RequestProperty"); RegisterFunction("cs.requeststaticfield", "lua_RequestStaticField"); RegisterFunction("cs.requestfield", "lua_RequestField"); RegisterFunction("cs.requestenum", "lua_RequestEnum"); RegisterFunction("cs.readproperty", "lua_ReadProperty"); RegisterFunction("cs.readfield", "lua_ReadField"); RegisterFunction("cs.castreadproperty", "lua_CastReadProperty"); RegisterFunction("cs.castreadfield", "lua_CastReadField"); RegisterFunction("cs.readulongpropertyasuint", "lua_ReadULongPropertyAsUInt"); RegisterFunction("cs.readulongpropertyasstring", "lua_ReadULongPropertyAsString"); RegisterFunction("cs.readulongfieldasuint", "lua_ReadULongFieldAsUInt"); RegisterFunction("cs.readulongfieldasstring", "lua_ReadULongFieldAsString"); RegisterFunction("cs.reloadplugin", "lua_ReloadPlugin"); RegisterFunction("cs.getdatafile", "lua_GetDatafile"); RegisterFunction("cs.dump", "lua_Dump"); RegisterFunction("cs.createarrayfromtable", "lua_CreateArrayFromTable"); RegisterFunction("cs.createtablefromarray", "lua_CreateTableFromArray"); RegisterFunction("cs.gettype", "lua_GetType"); RegisterFunction("cs.makegenerictype", "lua_MakeGenericType"); RegisterFunction("cs.new", "lua_New"); RegisterFunction("cs.newarray", "lua_NewArray"); RegisterFunction("cs.convertandsetonarray", "lua_ConvertAndSetOnArray"); RegisterFunction("cs.getelementtype", "lua_GetElementType"); RegisterFunction("cs.newtimer", "lua_NewTimer"); RegisterFunction("cs.sendwebrequest", "lua_SendWebRequest"); RegisterFunction("cs.throwexception", "lua_ThrowException"); RegisterFunction("cs.gettimestamp", "lua_GetTimestamp"); RegisterFunction("cs.loadstring", "lua_LoadString"); // Register constants lua.NewTable("bf"); lua["bf.public_instance"] = BindingFlags.Public | BindingFlags.Instance; lua["bf.private_instance"] = BindingFlags.NonPublic | BindingFlags.Instance; lua["bf.public_static"] = BindingFlags.Public | BindingFlags.Static; lua["bf.private_static"] = BindingFlags.NonPublic | BindingFlags.Static; // Load the standard library Logger.Message("Loading standard library..."); lua.LoadString(LuaOxideSTL.csfunc, "csfunc.stl").Call(); lua.LoadString(LuaOxideSTL.json, "json.stl").Call(); lua.LoadString(LuaOxideSTL.util, "util.stl").Call(); lua.LoadString(LuaOxideSTL.type, "type.stl").Call(); lua.LoadString(LuaOxideSTL.baseplugin, "baseplugin.stl").Call(); lua.LoadString(LuaOxideSTL.rust, "rust.stl").Call(); lua.LoadString(LuaOxideSTL.config, "config.stl").Call(); lua.LoadString(LuaOxideSTL.plugins, "plugins.stl").Call(); lua.LoadString(LuaOxideSTL.timer, "timer.stl").Call(); lua.LoadString(LuaOxideSTL.webrequest, "webrequest.stl").Call(); lua.LoadString(LuaOxideSTL.validate, "validate.stl").Call(); // Read back required functions callunpacked = lua["callunpacked"] as LuaFunction; createplugin = lua["createplugin"] as LuaFunction; // Load all plugins Logger.Message("Loading plugins..."); string[] files = Directory.GetFiles(GetPath("plugins"), "*.lua"); foreach (string file in files) { string pluginname = Path.GetFileNameWithoutExtension(file); LuaTable plugininstance = createplugin.Call()[0] as LuaTable; lua["PLUGIN"] = plugininstance; plugininstance["Filename"] = file; plugininstance["Name"] = pluginname; try { currentplugin = pluginname; string code = File.ReadAllText(GetPath(file)); lua.LoadString(code, file).Call(); plugins.Add(pluginname, plugininstance); lua["PLUGIN"] = null; } catch (NLua.Exceptions.LuaScriptException luaex) { Logger.Error(string.Format("Failed to load plugin '{0}'!", file), luaex); } } // Check plugin dependencies HashSet<string> toremove = new HashSet<string>(); int numits = 0; while (numits == 0 || toremove.Count > 0) { toremove.Clear(); foreach (var pair in plugins) { LuaTable dependencies = pair.Value["Depends"] as LuaTable; if (dependencies != null) { foreach (var key in dependencies.Keys) { object value = dependencies[key]; if (value is string) { if (!plugins.ContainsKey((string)value) || toremove.Contains((string)value)) { Logger.Error(string.Format("The plugin '{0}' depends on missing or unloaded plugin '{1}' and won't be loaded!", pair.Key, value)); toremove.Add(pair.Key); break; } } } } } foreach (string name in toremove) plugins.Remove(name); numits++; } // Call Init and PostInit on all plugins CallPlugin("Init", null); CallPlugin("PostInit", null); } catch (Exception ex) { Logger.Error(string.Format("Error loading oxide!"), ex); } }
public object[] Run(string lua, string name) { LuaFunction f = NLua.LoadString(lua, null); return(f.Call(name, GetNamedTable(name))); }