Sponge

19 files changed, 2911 insertions, 18 deletions

diff --git a/src/Bindings/CMakeLists.txt b/src/Bindings/CMakeLists.txt
index d47579cd6..4cc73b350 100644
--- a/src/Bindings/CMakeLists.txt
+++ b/src/Bindings/CMakeLists.txt
@@ -8,9 +8,14 @@ SET (SRCS
 	Bindings.cpp
 	DeprecatedBindings.cpp
 	LuaChunkStay.cpp
+	LuaNameLookup.cpp
+	LuaServerHandle.cpp
 	LuaState.cpp
+	LuaTCPLink.cpp
+	LuaUDPEndpoint.cpp
 	LuaWindow.cpp
 	ManualBindings.cpp
+	ManualBindings_Network.cpp
 	ManualBindings_RankManager.cpp
 	Plugin.cpp
 	PluginLua.cpp
@@ -23,7 +28,11 @@ SET (HDRS
 	DeprecatedBindings.h
 	LuaChunkStay.h
 	LuaFunctions.h
+	LuaNameLookup.h
+	LuaServerHandle.h
 	LuaState.h
+	LuaTCPLink.h
+	LuaUDPEndpoint.h
 	LuaWindow.h
 	ManualBindings.h
 	Plugin.h
diff --git a/src/Bindings/LuaNameLookup.cpp b/src/Bindings/LuaNameLookup.cpp
new file mode 100644
index 000000000..e52d8dbdc
--- /dev/null
+++ b/src/Bindings/LuaNameLookup.cpp
@@ -0,0 +1,88 @@
+
+// LuaNameLookup.cpp
+
+// Implements the cLuaNameLookup class used as the cNetwork API callbacks for name and IP lookups from Lua
+
+#include "Globals.h"
+#include "LuaNameLookup.h"
+
+
+
+
+
+cLuaNameLookup::cLuaNameLookup(const AString & a_Query, cPluginLua & a_Plugin, int a_CallbacksTableStackPos):
+	m_Plugin(a_Plugin),
+	m_Callbacks(a_Plugin.GetLuaState(), a_CallbacksTableStackPos),
+	m_Query(a_Query)
+{
+}
+
+
+
+
+
+void cLuaNameLookup::OnNameResolved(const AString & a_Name, const AString & a_IP)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnNameResolved"), a_Name, a_IP))
+	{
+		LOGINFO("cNetwork name lookup OnNameResolved callback failed in plugin %s looking up %s. %s resolves to %s.",
+			m_Plugin.GetName().c_str(), m_Query.c_str(), a_Name.c_str(), a_IP.c_str()
+		);
+	}
+}
+
+
+
+
+
+void cLuaNameLookup::OnError(int a_ErrorCode, const AString & a_ErrorMsg)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnError"), m_Query, a_ErrorCode, a_ErrorMsg))
+	{
+		LOGINFO("cNetwork name lookup OnError callback failed in plugin %s looking up %s. The error is %d (%s)",
+			m_Plugin.GetName().c_str(), m_Query.c_str(), a_ErrorCode, a_ErrorMsg.c_str()
+		);
+	}
+}
+
+
+
+
+
+void cLuaNameLookup::OnFinished(void)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnFinished"), m_Query))
+	{
+		LOGINFO("cNetwork name lookup OnFinished callback failed in plugin %s, looking up %s.",
+			m_Plugin.GetName().c_str(), m_Query.c_str()
+		);
+	}
+}
+
+
+
+
diff --git a/src/Bindings/LuaNameLookup.h b/src/Bindings/LuaNameLookup.h
new file mode 100644
index 000000000..e4cdb9f53
--- /dev/null
+++ b/src/Bindings/LuaNameLookup.h
@@ -0,0 +1,46 @@
+
+// LuaNameLookup.h
+
+// Declares the cLuaNameLookup class used as the cNetwork API callbacks for name and IP lookups from Lua
+
+
+
+
+
+#pragma once
+
+#include "../OSSupport/Network.h"
+#include "PluginLua.h"
+
+
+
+
+
+class cLuaNameLookup:
+	public cNetwork::cResolveNameCallbacks
+{
+public:
+	/** Creates a new instance of the lookup callbacks for the specified query,
+	attached to the specified lua plugin and wrapping the callbacks that are in a table at the specified stack pos. */
+	cLuaNameLookup(const AString & a_Query, cPluginLua & a_Plugin, int a_CallbacksTableStackPos);
+
+protected:
+	/** The plugin for which the query is created. */
+	cPluginLua & m_Plugin;
+
+	/** The Lua table that holds the callbacks to be invoked. */
+	cLuaState::cRef m_Callbacks;
+
+	/** The query used to start the lookup (either hostname or IP). */
+	AString m_Query;
+
+
+	// cNetwork::cResolveNameCallbacks overrides:
+	virtual void OnNameResolved(const AString & a_Name, const AString & a_IP) override;
+	virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override;
+	virtual void OnFinished(void) override;
+};
+
+
+
+
diff --git a/src/Bindings/LuaServerHandle.cpp b/src/Bindings/LuaServerHandle.cpp
new file mode 100644
index 000000000..a84f894b5
--- /dev/null
+++ b/src/Bindings/LuaServerHandle.cpp
@@ -0,0 +1,209 @@
+
+// LuaServerHandle.cpp
+
+// Implements the cLuaServerHandle class wrapping the cServerHandle functionality for Lua API
+
+#include "Globals.h"
+#include "LuaServerHandle.h"
+#include "LuaTCPLink.h"
+#include "tolua++/include/tolua++.h"
+
+
+
+
+
+cLuaServerHandle::cLuaServerHandle(UInt16 a_Port, cPluginLua & a_Plugin, int a_CallbacksTableStackPos):
+	m_Plugin(a_Plugin),
+	m_Callbacks(a_Plugin.GetLuaState(), a_CallbacksTableStackPos),
+	m_Port(a_Port)
+{
+}
+
+
+
+
+
+
+cLuaServerHandle::~cLuaServerHandle()
+{
+	// If the server handle is still open, close it explicitly:
+	Close();
+}
+
+
+
+
+
+void cLuaServerHandle::SetServerHandle(cServerHandlePtr a_ServerHandle, cLuaServerHandlePtr a_Self)
+{
+	ASSERT(m_ServerHandle == nullptr);  // The handle can be set only once
+
+	m_ServerHandle = a_ServerHandle;
+	m_Self = a_Self;
+}
+
+
+
+
+
+void cLuaServerHandle::Close(void)
+{
+	// Safely grab a copy of the server handle:
+	cServerHandlePtr ServerHandle = m_ServerHandle;
+	if (ServerHandle == nullptr)
+	{
+		return;
+	}
+
+	// Close the underlying server handle:
+	ServerHandle->Close();
+
+	// Close all connections at this server:
+	cLuaTCPLinkPtrs Connections;
+	{
+		cCSLock Lock(m_CSConnections);
+		std::swap(Connections, m_Connections);
+	}
+	for (auto & conn: Connections)
+	{
+		conn->Close();
+	}
+	Connections.clear();
+
+	// Allow the internal server handle to be deallocated:
+	m_ServerHandle.reset();
+}
+
+
+
+
+
+bool cLuaServerHandle::IsListening(void)
+{
+	// Safely grab a copy of the server handle:
+	cServerHandlePtr ServerHandle = m_ServerHandle;
+	if (ServerHandle == nullptr)
+	{
+		return false;
+	}
+
+	// Query the underlying server handle:
+	return ServerHandle->IsListening();
+}
+
+
+
+
+
+void cLuaServerHandle::RemoveLink(cLuaTCPLink * a_Link)
+{
+	cCSLock Lock(m_CSConnections);
+	for (auto itr = m_Connections.begin(), end = m_Connections.end(); itr != end; ++itr)
+	{
+		if (itr->get() == a_Link)
+		{
+			m_Connections.erase(itr);
+			break;
+		}
+	}  // for itr - m_Connections[]
+}
+
+
+
+
+
+void cLuaServerHandle::Release(void)
+{
+	// Close the server, if it isn't closed yet:
+	Close();
+
+	// Allow self to deallocate:
+	m_Self.reset();
+}
+
+
+
+
+
+cTCPLink::cCallbacksPtr cLuaServerHandle::OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort)
+{
+	// If not valid anymore, drop the connection:
+	if (!m_Callbacks.IsValid())
+	{
+		return nullptr;
+	}
+
+	// Ask the plugin for link callbacks:
+	cPluginLua::cOperation Op(m_Plugin);
+	cLuaState::cRef LinkCallbacks;
+	if (
+		!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnIncomingConnection"), a_RemoteIPAddress, a_RemotePort, m_Port, cLuaState::Return, LinkCallbacks) ||
+		!LinkCallbacks.IsValid()
+	)
+	{
+		LOGINFO("cNetwork server (port %d) OnIncomingConnection callback failed in plugin %s. Dropping connection.",
+			m_Port, m_Plugin.GetName().c_str()
+		);
+		return nullptr;
+	}
+
+	// Create the link wrapper to use with the callbacks:
+	auto res = std::make_shared<cLuaTCPLink>(m_Plugin, std::move(LinkCallbacks), m_Self);
+
+	// Add the link to the list of our connections:
+	cCSLock Lock(m_CSConnections);
+	m_Connections.push_back(res);
+
+	return res;
+}
+
+
+
+
+
+void cLuaServerHandle::OnAccepted(cTCPLink & a_Link)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Notify the plugin:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnAccepted"), static_cast<cLuaTCPLink *>(a_Link.GetCallbacks().get())))
+	{
+		LOGINFO("cNetwork server (port %d) OnAccepted callback failed in plugin %s, connection to %s:%d.",
+			m_Port, m_Plugin.GetName().c_str(), a_Link.GetRemoteIP().c_str(), a_Link.GetRemotePort()
+		);
+		return;
+	}
+}
+
+
+
+
+
+void cLuaServerHandle::OnError(int a_ErrorCode, const AString & a_ErrorMsg)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Notify the plugin:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnError"), a_ErrorCode, a_ErrorMsg))
+	{
+		LOGINFO("cNetwork server (port %d) OnError callback failed in plugin %s. The error is %d (%s).",
+			m_Port, m_Plugin.GetName().c_str(), a_ErrorCode, a_ErrorMsg.c_str()
+		);
+		return;
+	}
+}
+
+
+
+
+
diff --git a/src/Bindings/LuaServerHandle.h b/src/Bindings/LuaServerHandle.h
new file mode 100644
index 000000000..9325bca3e
--- /dev/null
+++ b/src/Bindings/LuaServerHandle.h
@@ -0,0 +1,89 @@
+
+// LuaServerHandle.h
+
+// Declares the cLuaServerHandle class wrapping the cServerHandle functionality for Lua API
+
+
+
+
+
+#pragma once
+
+#include "../OSSupport/Network.h"
+#include "PluginLua.h"
+
+
+
+
+
+// fwd:
+class cLuaTCPLink;
+typedef SharedPtr<cLuaTCPLink> cLuaTCPLinkPtr;
+typedef std::vector<cLuaTCPLinkPtr> cLuaTCPLinkPtrs;
+class cLuaServerHandle;
+typedef SharedPtr<cLuaServerHandle> cLuaServerHandlePtr;
+
+
+
+
+class cLuaServerHandle:
+	public cNetwork::cListenCallbacks
+{
+public:
+	/** Creates a new instance of the server handle,
+	attached to the specified lua plugin and wrapping the (listen-) callbacks that are in a table at the specified stack pos. */
+	cLuaServerHandle(UInt16 a_Port, cPluginLua & a_Plugin, int a_CallbacksTableStackPos);
+
+	~cLuaServerHandle();
+
+	/** Called by cNetwork::Listen()'s binding.
+	Sets the server handle around which this instance is wrapped, and a self SharedPtr for link management. */
+	void SetServerHandle(cServerHandlePtr a_ServerHandle, cLuaServerHandlePtr a_Self);
+
+	/** Terminates all connections and closes the listening socket. */
+	void Close(void);
+
+	/** Returns true if the server is currently listening. */
+	bool IsListening(void);
+
+	/** Removes the link from the list of links that the server is currently tracking. */
+	void RemoveLink(cLuaTCPLink * a_Link);
+
+	/** Called when Lua garbage-collects the object.
+	Releases the internal SharedPtr to self, so that the instance may be deallocated. */
+	void Release(void);
+
+protected:
+	/** The plugin for which the server is created. */
+	cPluginLua & m_Plugin;
+
+	/** The Lua table that holds the callbacks to be invoked. */
+	cLuaState::cRef m_Callbacks;
+
+	/** The port on which the server is listening.
+	Used mainly for better error reporting. */
+	UInt16 m_Port;
+
+	/** The cServerHandle around which this instance is wrapped. */
+	cServerHandlePtr m_ServerHandle;
+
+	/** Protects m_Connections against multithreaded access. */
+	cCriticalSection m_CSConnections;
+
+	/** All connections that are currently active in this server.
+	Protected by m_CSConnections. */
+	cLuaTCPLinkPtrs m_Connections;
+
+	/** SharedPtr to self, given out to newly created links. */
+	cLuaServerHandlePtr m_Self;
+
+
+	// cNetwork::cListenCallbacks overrides:
+	virtual cTCPLink::cCallbacksPtr OnIncomingConnection(const AString & a_RemoteIPAddress, UInt16 a_RemotePort) override;
+	virtual void OnAccepted(cTCPLink & a_Link) override;
+	virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override;
+};
+
+
+
+
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 01d3ac687..25c77a652 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -343,6 +343,18 @@ bool cLuaState::PushFunction(const cTableRef & a_TableRef)
 
 
 
+void cLuaState::PushNil(void)
+{
+	ASSERT(IsValid());
+
+	lua_pushnil(m_LuaState);
+	m_NumCurrentFunctionArgs += 1;
+}
+
+
+
+
+
 void cLuaState::Push(const AString & a_String)
 {
 	ASSERT(IsValid());
@@ -656,6 +668,42 @@ void cLuaState::Push(cItems * a_Items)
 
 
 
+void cLuaState::Push(cLuaServerHandle * a_ServerHandle)
+{
+	ASSERT(IsValid());
+
+	tolua_pushusertype(m_LuaState, a_ServerHandle, "cServerHandle");
+	m_NumCurrentFunctionArgs += 1;
+}
+
+
+
+
+
+void cLuaState::Push(cLuaTCPLink * a_TCPLink)
+{
+	ASSERT(IsValid());
+
+	tolua_pushusertype(m_LuaState, a_TCPLink, "cTCPLink");
+	m_NumCurrentFunctionArgs += 1;
+}
+
+
+
+
+
+void cLuaState::Push(cLuaUDPEndpoint * a_UDPEndpoint)
+{
+	ASSERT(IsValid());
+
+	tolua_pushusertype(m_LuaState, a_UDPEndpoint, "cUDPEndpoint");
+	m_NumCurrentFunctionArgs += 1;
+}
+
+
+
+
+
 void cLuaState::Push(cMonster * a_Monster)
 {
 	ASSERT(IsValid());
@@ -958,6 +1006,15 @@ void cLuaState::GetStackValue(int a_StackPos, pWorld & a_ReturnedVal)
 
 
 
+void cLuaState::GetStackValue(int a_StackPos, cRef & a_Ref)
+{
+	a_Ref.RefStack(*this, a_StackPos);
+}
+
+
+
+
+
 bool cLuaState::CallFunction(int a_NumResults)
 {
 	ASSERT (m_NumCurrentFunctionArgs >= 0);  // A function must be pushed to stack first
@@ -1527,6 +1584,18 @@ cLuaState::cRef::cRef(cLuaState & a_LuaState, int a_StackPos) :
 
 
 
+cLuaState::cRef::cRef(cRef && a_FromRef):
+	m_LuaState(a_FromRef.m_LuaState),
+	m_Ref(a_FromRef.m_Ref)
+{
+	a_FromRef.m_LuaState = nullptr;
+	a_FromRef.m_Ref = LUA_REFNIL;
+}
+
+
+
+
+
 cLuaState::cRef::~cRef()
 {
 	if (m_LuaState != nullptr)
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index 7ac4120e1..159483634 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -59,6 +59,9 @@ class cTNTEntity;
 class cHopperEntity;
 class cBlockEntity;
 class cBoundingBox;
+class cLuaTCPLink;
+class cLuaServerHandle;
+class cLuaUDPEndpoint;
 
 typedef cBoundingBox * pBoundingBox;
 typedef cWorld *       pWorld;
@@ -83,6 +86,10 @@ public:
 		
 		/** Creates a reference in the specified LuaState for object at the specified StackPos */
 		cRef(cLuaState & a_LuaState, int a_StackPos);
+
+		/** Moves the reference from the specified instance into a newly created instance.
+		The old instance is then "!IsValid()". */
+		cRef(cRef && a_FromRef);
 		
 		~cRef();
 		
@@ -178,6 +185,8 @@ public:
 	/** Returns true if a_FunctionName is a valid Lua function that can be called */
 	bool HasFunction(const char * a_FunctionName);
 	
+	void PushNil(void);
+
 	// Push a const value onto the stack (keep alpha-sorted):
 	void Push(const AString & a_String);
 	void Push(const AStringVector & a_Vector);
@@ -202,6 +211,9 @@ public:
 	void Push(cHopperEntity * a_Hopper);
 	void Push(cItem * a_Item);
 	void Push(cItems * a_Items);
+	void Push(cLuaServerHandle * a_ServerHandle);
+	void Push(cLuaTCPLink * a_TCPLink);
+	void Push(cLuaUDPEndpoint * a_UDPEndpoint);
 	void Push(cMonster * a_Monster);
 	void Push(cPickup * a_Pickup);
 	void Push(cPlayer * a_Player);
@@ -240,6 +252,9 @@ public:
 	
 	/** Retrieve value at a_StackPos, if it is a valid cWorld class. If not, a_Value is unchanged */
 	void GetStackValue(int a_StackPos, pWorld & a_Value);
+
+	/** Store the value at a_StackPos as a reference. */
+	void GetStackValue(int a_StackPos, cRef & a_Ref);
 	
 	/** Call the specified Lua function.
 	Returns true if call succeeded, false if there was an error.
@@ -346,20 +361,6 @@ protected:
 	/** Number of arguments currently pushed (for the Push / Call chain) */
 	int m_NumCurrentFunctionArgs;
 
-
-	/** Variadic template terminator: Counting zero args returns zero. */
-	int CountArgs(void)
-	{
-		return 0;
-	}
-
-	/** Variadic template: Counting args means add one to the count of the rest. */
-	template <typename T, typename... Args>
-	int CountArgs(T, Args... args)
-	{
-		return 1 + CountArgs(args...);
-	}
-
 	/** Variadic template terminator: If there's nothing more to push / pop, just call the function.
 	Note that there are no return values either, because those are prefixed by a cRet value, so the arg list is never empty. */
 	bool PushCallPop(void)
@@ -380,7 +381,7 @@ protected:
 	bool PushCallPop(cLuaState::cRet, Args &&... args)
 	{
 		// Calculate the number of return values (number of args left):
-		int NumReturns = CountArgs(args...);
+		int NumReturns = sizeof...(args);
 
 		// Call the function:
 		if (!CallFunction(NumReturns))
diff --git a/src/Bindings/LuaTCPLink.cpp b/src/Bindings/LuaTCPLink.cpp
new file mode 100644
index 000000000..d88c41120
--- /dev/null
+++ b/src/Bindings/LuaTCPLink.cpp
@@ -0,0 +1,610 @@
+
+// LuaTCPLink.cpp
+
+// Implements the cLuaTCPLink class representing a Lua wrapper for the cTCPLink class and the callbacks it needs
+
+#include "Globals.h"
+#include "LuaTCPLink.h"
+#include "LuaServerHandle.h"
+
+
+
+
+
+cLuaTCPLink::cLuaTCPLink(cPluginLua & a_Plugin, int a_CallbacksTableStackPos):
+	m_Plugin(a_Plugin),
+	m_Callbacks(a_Plugin.GetLuaState(), a_CallbacksTableStackPos)
+{
+	// Warn if the callbacks aren't valid:
+	if (!m_Callbacks.IsValid())
+	{
+		LOGWARNING("cTCPLink in plugin %s: callbacks could not be retrieved", m_Plugin.GetName().c_str());
+		cPluginLua::cOperation Op(m_Plugin);
+		Op().LogStackTrace();
+	}
+}
+
+
+
+
+
+cLuaTCPLink::cLuaTCPLink(cPluginLua & a_Plugin, cLuaState::cRef && a_CallbacksTableRef, cLuaServerHandleWPtr a_ServerHandle):
+	m_Plugin(a_Plugin),
+	m_Callbacks(std::move(a_CallbacksTableRef)),
+	m_Server(std::move(a_ServerHandle))
+{
+	// Warn if the callbacks aren't valid:
+	if (!m_Callbacks.IsValid())
+	{
+		LOGWARNING("cTCPLink in plugin %s: callbacks could not be retrieved", m_Plugin.GetName().c_str());
+		cPluginLua::cOperation Op(m_Plugin);
+		Op().LogStackTrace();
+	}
+}
+
+
+
+
+
+cLuaTCPLink::~cLuaTCPLink()
+{
+	// If the link is still open, close it:
+	cTCPLinkPtr Link = m_Link;
+	if (Link != nullptr)
+	{
+		Link->Close();
+	}
+
+	Terminated();
+}
+
+
+
+
+
+bool cLuaTCPLink::Send(const AString & a_Data)
+{
+	// If running in SSL mode, push the data into the SSL context instead:
+	if (m_SslContext != nullptr)
+	{
+		m_SslContext->Send(a_Data);
+		return true;
+	}
+
+	// Safely grab a copy of the link:
+	cTCPLinkPtr Link = m_Link;
+	if (Link == nullptr)
+	{
+		return false;
+	}
+
+	// Send the data:
+	return Link->Send(a_Data);
+}
+
+
+
+
+
+AString cLuaTCPLink::GetLocalIP(void) const
+{
+	// Safely grab a copy of the link:
+	cTCPLinkPtr Link = m_Link;
+	if (Link == nullptr)
+	{
+		return "";
+	}
+
+	// Get the IP address:
+	return Link->GetLocalIP();
+}
+
+
+
+
+
+UInt16 cLuaTCPLink::GetLocalPort(void) const
+{
+	// Safely grab a copy of the link:
+	cTCPLinkPtr Link = m_Link;
+	if (Link == nullptr)
+	{
+		return 0;
+	}
+
+	// Get the port:
+	return Link->GetLocalPort();
+}
+
+
+
+
+
+AString cLuaTCPLink::GetRemoteIP(void) const
+{
+	// Safely grab a copy of the link:
+	cTCPLinkPtr Link = m_Link;
+	if (Link == nullptr)
+	{
+		return "";
+	}
+
+	// Get the IP address:
+	return Link->GetRemoteIP();
+}
+
+
+
+
+
+UInt16 cLuaTCPLink::GetRemotePort(void) const
+{
+	// Safely grab a copy of the link:
+	cTCPLinkPtr Link = m_Link;
+	if (Link == nullptr)
+	{
+		return 0;
+	}
+
+	// Get the port:
+	return Link->GetRemotePort();
+}
+
+
+
+
+
+void cLuaTCPLink::Shutdown(void)
+{
+	// Safely grab a copy of the link and shut it down:
+	cTCPLinkPtr Link = m_Link;
+	if (Link != nullptr)
+	{
+		if (m_SslContext != nullptr)
+		{
+			m_SslContext->NotifyClose();
+			m_SslContext->ResetSelf();
+			m_SslContext.reset();
+		}
+		Link->Shutdown();
+	}
+}
+
+
+
+
+
+void cLuaTCPLink::Close(void)
+{
+	// If the link is still open, close it:
+	cTCPLinkPtr Link = m_Link;
+	if (Link != nullptr)
+	{
+		if (m_SslContext != nullptr)
+		{
+			m_SslContext->NotifyClose();
+			m_SslContext->ResetSelf();
+			m_SslContext.reset();
+		}
+		Link->Close();
+	}
+
+	Terminated();
+}
+
+
+
+
+
+AString cLuaTCPLink::StartTLSClient(
+	const AString & a_OwnCertData,
+	const AString & a_OwnPrivKeyData,
+	const AString & a_OwnPrivKeyPassword
+)
+{
+	// Check preconditions:
+	if (m_SslContext != nullptr)
+	{
+		return "TLS is already active on this link";
+	}
+	if (
+		(a_OwnCertData.empty()  && !a_OwnPrivKeyData.empty()) ||
+		(!a_OwnCertData.empty() && a_OwnPrivKeyData.empty())
+	)
+	{
+		return "Either provide both the certificate and private key, or neither";
+	}
+
+	// Create the SSL context:
+	m_SslContext.reset(new cLinkSslContext(*this));
+	m_SslContext->Initialize(true);
+
+	// Create the peer cert, if required:
+	if (!a_OwnCertData.empty() && !a_OwnPrivKeyData.empty())
+	{
+		auto OwnCert = std::make_shared<cX509Cert>();
+		int res = OwnCert->Parse(a_OwnCertData.data(), a_OwnCertData.size());
+		if (res != 0)
+		{
+			m_SslContext.reset();
+			return Printf("Cannot parse peer certificate: -0x%x", res);
+		}
+		auto OwnPrivKey = std::make_shared<cCryptoKey>();
+		res = OwnPrivKey->ParsePrivate(a_OwnPrivKeyData.data(), a_OwnPrivKeyData.size(), a_OwnPrivKeyPassword);
+		if (res != 0)
+		{
+			m_SslContext.reset();
+			return Printf("Cannot parse peer private key: -0x%x", res);
+		}
+		m_SslContext->SetOwnCert(OwnCert, OwnPrivKey);
+	}
+	m_SslContext->SetSelf(cLinkSslContextWPtr(m_SslContext));
+
+	// Start the handshake:
+	m_SslContext->Handshake();
+	return "";
+}
+
+
+
+
+
+AString cLuaTCPLink::StartTLSServer(
+	const AString & a_OwnCertData,
+	const AString & a_OwnPrivKeyData,
+	const AString & a_OwnPrivKeyPassword,
+	const AString & a_StartTLSData
+)
+{
+	// Check preconditions:
+	if (m_SslContext != nullptr)
+	{
+		return "TLS is already active on this link";
+	}
+	if (a_OwnCertData.empty()  || a_OwnPrivKeyData.empty())
+	{
+		return "Provide the server certificate and private key";
+	}
+
+	// Create the SSL context:
+	m_SslContext.reset(new cLinkSslContext(*this));
+	m_SslContext->Initialize(false);
+
+	// Create the peer cert:
+	auto OwnCert = std::make_shared<cX509Cert>();
+	int res = OwnCert->Parse(a_OwnCertData.data(), a_OwnCertData.size());
+	if (res != 0)
+	{
+		m_SslContext.reset();
+		return Printf("Cannot parse server certificate: -0x%x", res);
+	}
+	auto OwnPrivKey = std::make_shared<cCryptoKey>();
+	res = OwnPrivKey->ParsePrivate(a_OwnPrivKeyData.data(), a_OwnPrivKeyData.size(), a_OwnPrivKeyPassword);
+	if (res != 0)
+	{
+		m_SslContext.reset();
+		return Printf("Cannot parse server private key: -0x%x", res);
+	}
+	m_SslContext->SetOwnCert(OwnCert, OwnPrivKey);
+	m_SslContext->SetSelf(cLinkSslContextWPtr(m_SslContext));
+
+	// Push the initial data:
+	m_SslContext->StoreReceivedData(a_StartTLSData.data(), a_StartTLSData.size());
+
+	// Start the handshake:
+	m_SslContext->Handshake();
+	return "";
+}
+
+
+
+
+
+void cLuaTCPLink::Terminated(void)
+{
+	// Disable the callbacks:
+	if (m_Callbacks.IsValid())
+	{
+		m_Callbacks.UnRef();
+	}
+
+	// If the managing server is still alive, let it know we're terminating:
+	auto Server = m_Server.lock();
+	if (Server != nullptr)
+	{
+		Server->RemoveLink(this);
+	}
+
+	// If the link is still open, close it:
+	{
+		cTCPLinkPtr Link = m_Link;
+		if (Link != nullptr)
+		{
+			Link->Close();
+			m_Link.reset();
+		}
+	}
+
+	// If the SSL context still exists, free it:
+	m_SslContext.reset();
+}
+
+
+
+
+
+void cLuaTCPLink::ReceivedCleartextData(const char * a_Data, size_t a_NumBytes)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnReceivedData"), this, AString(a_Data, a_NumBytes)))
+	{
+		LOGINFO("cTCPLink OnReceivedData callback failed in plugin %s.", m_Plugin.GetName().c_str());
+	}
+}
+
+
+
+
+
+void cLuaTCPLink::OnConnected(cTCPLink & a_Link)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnConnected"), this))
+	{
+		LOGINFO("cTCPLink OnConnected() callback failed in plugin %s.", m_Plugin.GetName().c_str());
+	}
+}
+
+
+
+
+
+void cLuaTCPLink::OnError(int a_ErrorCode, const AString & a_ErrorMsg)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnError"), this, a_ErrorCode, a_ErrorMsg))
+	{
+		LOGINFO("cTCPLink OnError() callback failed in plugin %s; the link error is %d (%s).",
+			m_Plugin.GetName().c_str(), a_ErrorCode, a_ErrorMsg.c_str()
+		);
+	}
+
+	Terminated();
+}
+
+
+
+
+
+void cLuaTCPLink::OnLinkCreated(cTCPLinkPtr a_Link)
+{
+	// Store the cTCPLink for later use:
+	m_Link = a_Link;
+}
+
+
+
+
+
+void cLuaTCPLink::OnReceivedData(const char * a_Data, size_t a_Length)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// If we're running in SSL mode, put the data into the SSL decryptor:
+	if (m_SslContext != nullptr)
+	{
+		m_SslContext->StoreReceivedData(a_Data, a_Length);
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnReceivedData"), this, AString(a_Data, a_Length)))
+	{
+		LOGINFO("cTCPLink OnReceivedData callback failed in plugin %s.", m_Plugin.GetName().c_str());
+	}
+}
+
+
+
+
+
+void cLuaTCPLink::OnRemoteClosed(void)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnRemoteClosed"), this))
+	{
+		LOGINFO("cTCPLink OnRemoteClosed() callback failed in plugin %s.", m_Plugin.GetName().c_str());
+	}
+
+	Terminated();
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cLuaTCPLink::cLinkSslContext:
+
+cLuaTCPLink::cLinkSslContext::cLinkSslContext(cLuaTCPLink & a_Link):
+	m_Link(a_Link)
+{
+}
+
+
+
+
+
+void cLuaTCPLink::cLinkSslContext::SetSelf(cLinkSslContextWPtr a_Self)
+{
+	m_Self = a_Self;
+}
+
+
+
+
+
+void cLuaTCPLink::cLinkSslContext::ResetSelf(void)
+{
+	m_Self.reset();
+}
+
+
+
+
+
+void cLuaTCPLink::cLinkSslContext::StoreReceivedData(const char * a_Data, size_t a_NumBytes)
+{
+	// Hold self alive for the duration of this function
+	cLinkSslContextPtr Self(m_Self);
+
+	m_EncryptedData.append(a_Data, a_NumBytes);
+
+	// Try to finish a pending handshake:
+	TryFinishHandshaking();
+
+	// Flush any cleartext data that can be "received":
+	FlushBuffers();
+}
+
+
+
+
+
+void cLuaTCPLink::cLinkSslContext::FlushBuffers(void)
+{
+	// Hold self alive for the duration of this function
+	cLinkSslContextPtr Self(m_Self);
+
+	// If the handshake didn't complete yet, bail out:
+	if (!HasHandshaken())
+	{
+		return;
+	}
+
+	char Buffer[1024];
+	int NumBytes;
+	while ((NumBytes = ReadPlain(Buffer, sizeof(Buffer))) > 0)
+	{
+		m_Link.ReceivedCleartextData(Buffer, static_cast<size_t>(NumBytes));
+		if (m_Self.expired())
+		{
+			// The callback closed the SSL context, bail out
+			return;
+		}
+	}
+}
+
+
+
+
+
+void cLuaTCPLink::cLinkSslContext::TryFinishHandshaking(void)
+{
+	// Hold self alive for the duration of this function
+	cLinkSslContextPtr Self(m_Self);
+
+	// If the handshake hasn't finished yet, retry:
+	if (!HasHandshaken())
+	{
+		Handshake();
+	}
+
+	// If the handshake succeeded, write all the queued plaintext data:
+	if (HasHandshaken())
+	{
+		WritePlain(m_CleartextData.data(), m_CleartextData.size());
+		m_CleartextData.clear();
+	}
+}
+
+
+
+
+
+void cLuaTCPLink::cLinkSslContext::Send(const AString & a_Data)
+{
+	// Hold self alive for the duration of this function
+	cLinkSslContextPtr Self(m_Self);
+
+	// If the handshake hasn't completed yet, queue the data:
+	if (!HasHandshaken())
+	{
+		m_CleartextData.append(a_Data);
+		TryFinishHandshaking();
+		return;
+	}
+
+	// The connection is all set up, write the cleartext data into the SSL context:
+	WritePlain(a_Data.data(), a_Data.size());
+	FlushBuffers();
+}
+
+
+
+
+
+int cLuaTCPLink::cLinkSslContext::ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes)
+{
+	// Hold self alive for the duration of this function
+	cLinkSslContextPtr Self(m_Self);
+
+	// If there's nothing queued in the buffer, report empty buffer:
+	if (m_EncryptedData.empty())
+	{
+		return POLARSSL_ERR_NET_WANT_READ;
+	}
+
+	// Copy as much data as possible to the provided buffer:
+	size_t BytesToCopy = std::min(a_NumBytes, m_EncryptedData.size());
+	memcpy(a_Buffer, m_EncryptedData.data(), BytesToCopy);
+	m_EncryptedData.erase(0, BytesToCopy);
+	return static_cast<int>(BytesToCopy);
+}
+
+
+
+
+
+int cLuaTCPLink::cLinkSslContext::SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes)
+{
+	m_Link.m_Link->Send(a_Buffer, a_NumBytes);
+	return static_cast<int>(a_NumBytes);
+}
+
+
+
+
diff --git a/src/Bindings/LuaTCPLink.h b/src/Bindings/LuaTCPLink.h
new file mode 100644
index 000000000..c8ae776fe
--- /dev/null
+++ b/src/Bindings/LuaTCPLink.h
@@ -0,0 +1,181 @@
+
+// LuaTCPLink.h
+
+// Declares the cLuaTCPLink class representing a Lua wrapper for the cTCPLink class and the callbacks it needs
+
+
+
+
+
+#pragma once
+
+#include "../OSSupport/Network.h"
+#include "PluginLua.h"
+#include "../PolarSSL++/SslContext.h"
+
+
+
+
+
+// fwd:
+class cLuaServerHandle;
+typedef WeakPtr<cLuaServerHandle> cLuaServerHandleWPtr;
+
+
+
+
+
+class cLuaTCPLink:
+	public cNetwork::cConnectCallbacks,
+	public cTCPLink::cCallbacks
+{
+public:
+	/** Creates a new instance of the link, attached to the specified plugin and wrapping the callbacks that are in a table at the specified stack pos. */
+	cLuaTCPLink(cPluginLua & a_Plugin, int a_CallbacksTableStackPos);
+
+	/** Creates a new instance of the link, attached to the specified plugin and wrapping the callbacks that are in the specified referenced table. */
+	cLuaTCPLink(cPluginLua & a_Plugin, cLuaState::cRef && a_CallbacksTableRef, cLuaServerHandleWPtr a_Server);
+
+	~cLuaTCPLink();
+
+	/** Sends the data contained in the string to the remote peer.
+	Returns true if successful, false on immediate failure (queueing the data failed or link not available). */
+	bool Send(const AString & a_Data);
+
+	/** Returns the IP address of the local endpoint of the connection. */
+	AString GetLocalIP(void) const;
+
+	/** Returns the port used by the local endpoint of the connection. */
+	UInt16 GetLocalPort(void) const;
+
+	/** Returns the IP address of the remote endpoint of the connection. */
+	AString GetRemoteIP(void) const;
+
+	/** Returns the port used by the remote endpoint of the connection. */
+	UInt16 GetRemotePort(void) const;
+
+	/** Closes the link gracefully.
+	The link will send any queued outgoing data, then it will send the FIN packet.
+	The link will still receive incoming data from remote until the remote closes the connection. */
+	void Shutdown(void);
+
+	/** Drops the connection without any more processing.
+	Sends the RST packet, queued outgoing and incoming data is lost. */
+	void Close(void);
+
+	/** Starts a TLS handshake as a client connection.
+	If a client certificate should be used for the connection, set the certificate into a_OwnCertData and
+	its corresponding private key to a_OwnPrivKeyData. If both are empty, no client cert is presented.
+	a_OwnPrivKeyPassword is the password to be used for decoding PrivKey, empty if not passworded.
+	Returns empty string on success, non-empty error description on failure. */
+	AString StartTLSClient(
+		const AString & a_OwnCertData,
+		const AString & a_OwnPrivKeyData,
+		const AString & a_OwnPrivKeyPassword
+	);
+
+	/** Starts a TLS handshake as a server connection.
+	Set the server certificate into a_CertData and its corresponding private key to a_OwnPrivKeyData.
+	a_OwnPrivKeyPassword is the password to be used for decoding PrivKey, empty if not passworded.
+	a_StartTLSData is any data that should be pushed into the TLS before reading more data from the remote.
+	This is used mainly for protocols starting TLS in the middle of communication, when the TLS start command
+	can be received together with the TLS Client Hello message in one OnReceivedData() call, to re-queue the
+	Client Hello message into the TLS handshake buffer.
+	Returns empty string on success, non-empty error description on failure. */
+	AString StartTLSServer(
+		const AString & a_OwnCertData,
+		const AString & a_OwnPrivKeyData,
+		const AString & a_OwnPrivKeyPassword,
+		const AString & a_StartTLSData
+	);
+
+protected:
+	// fwd:
+	class cLinkSslContext;
+	typedef SharedPtr<cLinkSslContext> cLinkSslContextPtr;
+	typedef WeakPtr<cLinkSslContext> cLinkSslContextWPtr;
+
+	/** Wrapper around cSslContext that is used when this link is being encrypted by SSL. */
+	class cLinkSslContext :
+		public cSslContext
+	{
+		cLuaTCPLink & m_Link;
+
+		/** Buffer for storing the incoming encrypted data until it is requested by the SSL decryptor. */
+		AString m_EncryptedData;
+
+		/** Buffer for storing the outgoing cleartext data until the link has finished handshaking. */
+		AString m_CleartextData;
+
+		/** Shared ownership of self, so that this object can keep itself alive for as long as it needs. */
+		cLinkSslContextWPtr m_Self;
+
+	public:
+		cLinkSslContext(cLuaTCPLink & a_Link);
+
+		/** Shares ownership of self, so that this object can keep itself alive for as long as it needs. */
+		void SetSelf(cLinkSslContextWPtr a_Self);
+
+		/** Removes the self ownership so that we can detect the SSL closure. */
+		void ResetSelf(void);
+
+		/** Stores the specified block of data into the buffer of the data to be decrypted (incoming from remote).
+		Also flushes the SSL buffers by attempting to read any data through the SSL context. */
+		void StoreReceivedData(const char * a_Data, size_t a_NumBytes);
+
+		/** Tries to read any cleartext data available through the SSL, reports it in the link. */
+		void FlushBuffers(void);
+
+		/** Tries to finish handshaking the SSL. */
+		void TryFinishHandshaking(void);
+
+		/** Sends the specified cleartext data over the SSL to the remote peer.
+		If the handshake hasn't been completed yet, queues the data for sending when it completes. */
+		void Send(const AString & a_Data);
+
+		// cSslContext overrides:
+		virtual int ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes) override;
+		virtual int SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes) override;
+	};
+
+
+	/** The plugin for which the link is created. */
+	cPluginLua & m_Plugin;
+
+	/** The Lua table that holds the callbacks to be invoked. */
+	cLuaState::cRef m_Callbacks;
+
+	/** The underlying link representing the connection.
+	May be nullptr. */
+	cTCPLinkPtr m_Link;
+
+	/** The server that is responsible for this link, if any. */
+	cLuaServerHandleWPtr m_Server;
+
+	/** The SSL context used for encryption, if this link uses SSL.
+	If valid, the link uses encryption through this context. */
+	cLinkSslContextPtr m_SslContext;
+
+
+	/** Common code called when the link is considered as terminated.
+	Releases m_Link, m_Callbacks and this from m_Server, each when applicable. */
+	void Terminated(void);
+
+	/** Called by the SSL context when there's incoming data available in the cleartext.
+	Reports the data via the Lua callback function. */
+	void ReceivedCleartextData(const char * a_Data, size_t a_NumBytes);
+
+	// cNetwork::cConnectCallbacks overrides:
+	virtual void OnConnected(cTCPLink & a_Link) override;
+	virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override;
+
+	// cTCPLink::cCallbacks overrides:
+	virtual void OnLinkCreated(cTCPLinkPtr a_Link) override;
+	virtual void OnReceivedData(const char * a_Data, size_t a_Length) override;
+	virtual void OnRemoteClosed(void) override;
+	// The OnError() callback is shared with cNetwork::cConnectCallbacks
+};
+
+
+
+
diff --git a/src/Bindings/LuaUDPEndpoint.cpp b/src/Bindings/LuaUDPEndpoint.cpp
new file mode 100644
index 000000000..8637eeb4e
--- /dev/null
+++ b/src/Bindings/LuaUDPEndpoint.cpp
@@ -0,0 +1,221 @@
+
+// LuaUDPEndpoint.cpp
+
+// Implements the cLuaUDPEndpoint class representing a Lua wrapper for the cUDPEndpoint class and the callbacks it needs
+
+#include "Globals.h"
+#include "LuaUDPEndpoint.h"
+
+
+
+
+
+cLuaUDPEndpoint::cLuaUDPEndpoint(cPluginLua & a_Plugin, int a_CallbacksTableStackPos):
+	m_Plugin(a_Plugin),
+	m_Callbacks(a_Plugin.GetLuaState(), a_CallbacksTableStackPos)
+{
+	// Warn if the callbacks aren't valid:
+	if (!m_Callbacks.IsValid())
+	{
+		LOGWARNING("cLuaUDPEndpoint in plugin %s: callbacks could not be retrieved", m_Plugin.GetName().c_str());
+		cPluginLua::cOperation Op(m_Plugin);
+		Op().LogStackTrace();
+	}
+}
+
+
+
+
+
+cLuaUDPEndpoint::~cLuaUDPEndpoint()
+{
+	// If the endpoint is still open, close it:
+	cUDPEndpointPtr Endpoint = m_Endpoint;
+	if (Endpoint != nullptr)
+	{
+		Endpoint->Close();
+	}
+
+	Terminated();
+}
+
+
+
+
+
+bool cLuaUDPEndpoint::Open(UInt16 a_Port, cLuaUDPEndpointPtr a_Self)
+{
+	ASSERT(m_Self == nullptr);  // Must not be opened yet
+	ASSERT(m_Endpoint == nullptr);
+
+	m_Self = a_Self;
+	m_Endpoint = cNetwork::CreateUDPEndpoint(a_Port, *this);
+	return m_Endpoint->IsOpen();
+}
+
+
+
+
+
+bool cLuaUDPEndpoint::Send(const AString & a_Data, const AString & a_RemotePeer, UInt16 a_RemotePort)
+{
+	// Safely grab a copy of the endpoint:
+	cUDPEndpointPtr Endpoint = m_Endpoint;
+	if (Endpoint == nullptr)
+	{
+		return false;
+	}
+
+	// Send the data:
+	return Endpoint->Send(a_Data, a_RemotePeer, a_RemotePort);
+}
+
+
+
+
+
+UInt16 cLuaUDPEndpoint::GetPort(void) const
+{
+	// Safely grab a copy of the endpoint:
+	cUDPEndpointPtr Endpoint = m_Endpoint;
+	if (Endpoint == nullptr)
+	{
+		return 0;
+	}
+
+	// Get the port:
+	return Endpoint->GetPort();
+}
+
+
+
+
+
+bool cLuaUDPEndpoint::IsOpen(void) const
+{
+	// Safely grab a copy of the endpoint:
+	cUDPEndpointPtr Endpoint = m_Endpoint;
+	if (Endpoint == nullptr)
+	{
+		// No endpoint means that we're not open
+		return false;
+	}
+
+	// Get the state:
+	return Endpoint->IsOpen();
+}
+
+
+
+
+
+void cLuaUDPEndpoint::Close(void)
+{
+	// If the endpoint is still open, close it:
+	cUDPEndpointPtr Endpoint = m_Endpoint;
+	if (Endpoint != nullptr)
+	{
+		Endpoint->Close();
+		m_Endpoint.reset();
+	}
+
+	Terminated();
+}
+
+
+
+
+
+void cLuaUDPEndpoint::EnableBroadcasts(void)
+{
+	// Safely grab a copy of the endpoint:
+	cUDPEndpointPtr Endpoint = m_Endpoint;
+	if (Endpoint != nullptr)
+	{
+		Endpoint->EnableBroadcasts();
+	}
+}
+
+
+
+
+
+void cLuaUDPEndpoint::Release(void)
+{
+	// Close the endpoint, if not already closed:
+	Close();
+
+	// Allow self to deallocate:
+	m_Self.reset();
+}
+
+
+
+
+
+void cLuaUDPEndpoint::Terminated(void)
+{
+	// Disable the callbacks:
+	if (m_Callbacks.IsValid())
+	{
+		m_Callbacks.UnRef();
+	}
+
+	// If the endpoint is still open, close it:
+	{
+		cUDPEndpointPtr Endpoint = m_Endpoint;
+		if (Endpoint != nullptr)
+		{
+			Endpoint->Close();
+			m_Endpoint.reset();
+		}
+	}
+}
+
+
+
+
+
+void cLuaUDPEndpoint::OnReceivedData(const char * a_Data, size_t a_NumBytes, const AString & a_RemotePeer, UInt16 a_RemotePort)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnReceivedData"), this, AString(a_Data, a_NumBytes), a_RemotePeer, a_RemotePort))
+	{
+		LOGINFO("cUDPEndpoint OnReceivedData callback failed in plugin %s.", m_Plugin.GetName().c_str());
+	}
+}
+
+
+
+
+
+void cLuaUDPEndpoint::OnError(int a_ErrorCode, const AString & a_ErrorMsg)
+{
+	// Check if we're still valid:
+	if (!m_Callbacks.IsValid())
+	{
+		return;
+	}
+
+	// Call the callback:
+	cPluginLua::cOperation Op(m_Plugin);
+	if (!Op().Call(cLuaState::cTableRef(m_Callbacks, "OnError"), a_ErrorCode, a_ErrorMsg))
+	{
+		LOGINFO("cUDPEndpoint OnError() callback failed in plugin %s; the endpoint error is %d (%s).",
+			m_Plugin.GetName().c_str(), a_ErrorCode, a_ErrorMsg.c_str()
+		);
+	}
+
+	Terminated();
+}
+
+
+
+
diff --git a/src/Bindings/LuaUDPEndpoint.h b/src/Bindings/LuaUDPEndpoint.h
new file mode 100644
index 000000000..0587491ab
--- /dev/null
+++ b/src/Bindings/LuaUDPEndpoint.h
@@ -0,0 +1,86 @@
+
+// LuaUDPEndpoint.h
+
+// Declares the cLuaUDPEndpoint class representing a Lua wrapper for the cUDPEndpoint class and the callbacks it needs
+
+
+
+
+
+#pragma once
+
+#include "../OSSupport/Network.h"
+#include "PluginLua.h"
+
+
+
+
+
+// fwd:
+class cLuaUDPEndpoint;
+typedef SharedPtr<cLuaUDPEndpoint> cLuaUDPEndpointPtr;
+
+
+
+
+
+class cLuaUDPEndpoint:
+	public cUDPEndpoint::cCallbacks
+{
+public:
+	/** Creates a new instance of the endpoint, attached to the specified plugin and wrapping the callbacks that are in a table at the specified stack pos. */
+	cLuaUDPEndpoint(cPluginLua & a_Plugin, int a_CallbacksTableStackPos);
+
+	~cLuaUDPEndpoint();
+
+	/** Opens the endpoint so that it starts listening for incoming data on the specified port.
+	a_Self is the shared pointer to self that the object keeps to keep itself alive for as long as it needs (for Lua). */
+	bool Open(UInt16 a_Port, cLuaUDPEndpointPtr a_Self);
+
+	/** Sends the data contained in the string to the specified remote peer.
+	Returns true if successful, false on immediate failure (queueing the data failed etc.) */
+	bool Send(const AString & a_Data, const AString & a_RemotePeer, UInt16 a_RemotePort);
+
+	/** Returns the port on which endpoint is listening for incoming data. */
+	UInt16 GetPort(void) const;
+
+	/** Returns true if the endpoint is open for incoming data. */
+	bool IsOpen(void) const;
+
+	/** Closes the UDP listener. */
+	void Close(void);
+
+	/** Enables outgoing broadcasts to be made using this endpoint. */
+	void EnableBroadcasts(void);
+
+	/** Called when Lua garbage-collects the object.
+	Releases the internal SharedPtr to self, so that the instance may be deallocated. */
+	void Release(void);
+
+protected:
+	/** The plugin for which the link is created. */
+	cPluginLua & m_Plugin;
+
+	/** The Lua table that holds the callbacks to be invoked. */
+	cLuaState::cRef m_Callbacks;
+
+	/** SharedPtr to self, so that the object can keep itself alive for as long as it needs (for Lua). */
+	cLuaUDPEndpointPtr m_Self;
+
+	/** The underlying network endpoint.
+	May be nullptr. */
+	cUDPEndpointPtr m_Endpoint;
+
+
+	/** Common code called when the endpoint is considered as terminated.
+	Releases m_Endpoint and m_Callbacks, each when applicable. */
+	void Terminated(void);
+
+	// cUDPEndpoint::cCallbacks overrides:
+	virtual void OnError(int a_ErrorCode, const AString & a_ErrorMsg) override;
+	virtual void OnReceivedData(const char * a_Data, size_t a_Size, const AString & a_RemotePeer, UInt16 a_RemotePort) override;
+};
+
+
+
+
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index 56f2e73bc..cac81f325 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -3,8 +3,11 @@
 
 #include "ManualBindings.h"
 #undef TOLUA_TEMPLATE_BIND
+#include <sstream>
+#include <iomanip>
 #include "tolua++/include/tolua++.h"
 #include "polarssl/md5.h"
+#include "polarssl/sha1.h"
 #include "PluginLua.h"
 #include "PluginManager.h"
 #include "LuaWindow.h"
@@ -28,6 +31,7 @@
 #include "../LineBlockTracer.h"
 #include "../WorldStorage/SchematicFileSerializer.h"
 #include "../CompositeChat.h"
+#include "../StringCompression.h"
 
 
 
@@ -107,6 +111,146 @@ static int tolua_Clamp(lua_State * tolua_S)
 
 
 
+static int tolua_CompressStringZLIB(lua_State * tolua_S)
+{
+	cLuaState S(tolua_S);
+	if (
+		!S.CheckParamString(1) ||
+		(
+			!S.CheckParamNumber(2) &&
+			!S.CheckParamEnd(2)
+		)
+	)
+	{
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
+	// Get the params:
+	AString ToCompress;
+	int CompressionLevel = 5;
+	S.GetStackValues(1, ToCompress, CompressionLevel);
+
+	// Compress the string:
+	AString res;
+	CompressString(ToCompress.data(), ToCompress.size(), res, CompressionLevel);
+	S.Push(res);
+	return 1;
+}
+
+
+
+
+
+static int tolua_UncompressStringZLIB(lua_State * tolua_S)
+{
+	cLuaState S(tolua_S);
+	if (
+		!S.CheckParamString(1) ||
+		!S.CheckParamNumber(2)
+	)
+	{
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
+	// Get the params:
+	AString ToUncompress;
+	int UncompressedSize;
+	S.GetStackValues(1, ToUncompress, UncompressedSize);
+
+	// Compress the string:
+	AString res;
+	UncompressString(ToUncompress.data(), ToUncompress.size(), res, UncompressedSize);
+	S.Push(res);
+	return 1;
+}
+
+
+
+
+
+static int tolua_CompressStringGZIP(lua_State * tolua_S)
+{
+	cLuaState S(tolua_S);
+	if (
+		!S.CheckParamString(1) ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
+	// Get the params:
+	AString ToCompress;
+	S.GetStackValues(1, ToCompress);
+
+	// Compress the string:
+	AString res;
+	CompressStringGZIP(ToCompress.data(), ToCompress.size(), res);
+	S.Push(res);
+	return 1;
+}
+
+
+
+
+
+static int tolua_UncompressStringGZIP(lua_State * tolua_S)
+{
+	cLuaState S(tolua_S);
+	if (
+		!S.CheckParamString(1) ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
+	// Get the params:
+	AString ToUncompress;
+	S.GetStackValues(1, ToUncompress);
+
+	// Compress the string:
+	AString res;
+	UncompressStringGZIP(ToUncompress.data(), ToUncompress.size(), res);
+	S.Push(res);
+	return 1;
+}
+
+
+
+
+
+static int tolua_InflateString(lua_State * tolua_S)
+{
+	cLuaState S(tolua_S);
+	if (
+		!S.CheckParamString(1) ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
+	// Get the params:
+	AString ToUncompress;
+	S.GetStackValues(1, ToUncompress);
+
+	// Compress the string:
+	AString res;
+	InflateString(ToUncompress.data(), ToUncompress.size(), res);
+	S.Push(res);
+	return 1;
+}
+
+
+
+
+
 static int tolua_StringSplit(lua_State * tolua_S)
 {
 	cLuaState LuaState(tolua_S);
@@ -165,6 +309,14 @@ static AString GetLogMessage(lua_State * tolua_S)
 
 static int tolua_LOG(lua_State * tolua_S)
 {
+	// If there's no param, spit out an error message instead of crashing:
+	if (lua_isnil(tolua_S, 1))
+	{
+		LOGWARNING("Attempting to LOG a nil value!");
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
 	// If the param is a cCompositeChat, read the log level from it:
 	cLogger::eLogLevel LogLevel = cLogger::llRegular;
 	tolua_Error err;
@@ -184,6 +336,14 @@ static int tolua_LOG(lua_State * tolua_S)
 
 static int tolua_LOGINFO(lua_State * tolua_S)
 {
+	// If there's no param, spit out an error message instead of crashing:
+	if (lua_isnil(tolua_S, 1))
+	{
+		LOGWARNING("Attempting to LOGINFO a nil value!");
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
 	cLogger::GetInstance().LogSimple(GetLogMessage(tolua_S).c_str(), cLogger::llInfo);
 	return 0;
 }
@@ -194,6 +354,14 @@ static int tolua_LOGINFO(lua_State * tolua_S)
 
 static int tolua_LOGWARN(lua_State * tolua_S)
 {
+	// If there's no param, spit out an error message instead of crashing:
+	if (lua_isnil(tolua_S, 1))
+	{
+		LOGWARNING("Attempting to LOGWARN a nil value!");
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
 	cLogger::GetInstance().LogSimple(GetLogMessage(tolua_S).c_str(), cLogger::llWarning);
 	return 0;
 }
@@ -204,6 +372,14 @@ static int tolua_LOGWARN(lua_State * tolua_S)
 
 static int tolua_LOGERROR(lua_State * tolua_S)
 {
+	// If there's no param, spit out an error message instead of crashing:
+	if (lua_isnil(tolua_S, 1))
+	{
+		LOGWARNING("Attempting to LOGERROR a nil value!");
+		cLuaState::LogStackTrace(tolua_S);
+		return 0;
+	}
+
 	cLogger::GetInstance().LogSimple(GetLogMessage(tolua_S).c_str(), cLogger::llError);
 	return 0;
 }
@@ -256,7 +432,7 @@ static int tolua_Base64Decode(lua_State * tolua_S)
 
 
 
-static cPluginLua * GetLuaPlugin(lua_State * L)
+cPluginLua * GetLuaPlugin(lua_State * L)
 {
 	// Get the plugin identification out of LuaState:
 	lua_getglobal(L, LUA_PLUGIN_INSTANCE_VAR_NAME);
@@ -2171,11 +2347,16 @@ static int tolua_cPlugin_Call(lua_State * tolua_S)
 
 
 
-static int tolua_md5(lua_State* tolua_S)
+static int tolua_md5(lua_State * tolua_S)
 {
+	// Calculate the raw md5 checksum byte array:
 	unsigned char Output[16];
 	size_t len = 0;
 	const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+	if (SourceString == nullptr)
+	{
+		return 0;
+	}
 	md5(SourceString, len, Output);
 	lua_pushlstring(tolua_S, (const char *)Output, ARRAYCOUNT(Output));
 	return 1;
@@ -2185,6 +2366,91 @@ static int tolua_md5(lua_State* tolua_S)
 
 
 
+/** Does the same as tolua_md5, but reports that the usage is obsolete and the plugin should use cCrypto.md5(). */
+static int tolua_md5_obsolete(lua_State * tolua_S)
+{
+	LOGWARNING("Using md5() is obsolete, please change your plugin to use cCryptoHash.md5()");
+	cLuaState::LogStackTrace(tolua_S);
+	return tolua_md5(tolua_S);
+}
+
+
+
+
+
+static int tolua_md5HexString(lua_State * tolua_S)
+{
+	// Calculate the raw md5 checksum byte array:
+	unsigned char md5Output[16];
+	size_t len = 0;
+	const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+	if (SourceString == nullptr)
+	{
+		return 0;
+	}
+	md5(SourceString, len, md5Output);
+
+	// Convert the md5 checksum to hex string:
+	std::stringstream Output;
+	Output << std::hex << std::setfill('0');
+	for (size_t i = 0; i < ARRAYCOUNT(md5Output); i++)
+	{
+		Output << std::setw(2) << static_cast<unsigned short>(md5Output[i]);  // Need to cast to a number, otherwise a char is output
+	}
+	lua_pushlstring(tolua_S, Output.str().c_str(), Output.str().size());
+	return 1;
+}
+
+
+
+
+
+static int tolua_sha1(lua_State * tolua_S)
+{
+	// Calculate the raw SHA1 checksum byte array from the input string:
+	unsigned char Output[20];
+	size_t len = 0;
+	const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+	if (SourceString == nullptr)
+	{
+		return 0;
+	}
+	sha1(SourceString, len, Output);
+	lua_pushlstring(tolua_S, (const char *)Output, ARRAYCOUNT(Output));
+	return 1;
+}
+
+
+
+
+
+static int tolua_sha1HexString(lua_State * tolua_S)
+{
+	// Calculate the raw SHA1 checksum byte array from the input string:
+	unsigned char sha1Output[20];
+	size_t len = 0;
+	const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+	if (SourceString == nullptr)
+	{
+		return 0;
+	}
+	sha1(SourceString, len, sha1Output);
+
+	// Convert the sha1 checksum to hex string:
+	std::stringstream Output;
+	Output << std::hex << std::setfill('0');
+	for (size_t i = 0; i < ARRAYCOUNT(sha1Output); i++)
+	{
+		Output << std::setw(2) << static_cast<unsigned short>(sha1Output[i]);  // Need to cast to a number, otherwise a char is output
+	}
+	lua_pushlstring(tolua_S, Output.str().c_str(), Output.str().size());
+	return 1;
+}
+
+
+
+
+
 static int tolua_push_StringStringMap(lua_State* tolua_S, std::map< std::string, std::string >& a_StringStringMap)
 {
 	lua_newtable(tolua_S);
@@ -3387,6 +3653,14 @@ static int tolua_cCompositeChat_UnderlineUrls(lua_State * tolua_S)
 void ManualBindings::Bind(lua_State * tolua_S)
 {
 	tolua_beginmodule(tolua_S, nullptr);
+
+		// Create the new classes:
+		tolua_usertype(tolua_S, "cCryptoHash");
+		tolua_cclass(tolua_S, "cCryptoHash", "cCryptoHash", "", nullptr);
+		tolua_usertype(tolua_S, "cStringCompression");
+		tolua_cclass(tolua_S, "cStringCompression", "cStringCompression", "", nullptr);
+
+		// Globals:
 		tolua_function(tolua_S, "Clamp",              tolua_Clamp);
 		tolua_function(tolua_S, "StringSplit",        tolua_StringSplit);
 		tolua_function(tolua_S, "StringSplitAndTrim", tolua_StringSplitAndTrim);
@@ -3397,6 +3671,7 @@ void ManualBindings::Bind(lua_State * tolua_S)
 		tolua_function(tolua_S, "LOGERROR",           tolua_LOGERROR);
 		tolua_function(tolua_S, "Base64Encode",       tolua_Base64Encode);
 		tolua_function(tolua_S, "Base64Decode",       tolua_Base64Decode);
+		tolua_function(tolua_S, "md5",                tolua_md5_obsolete);  // OBSOLETE, use cCryptoHash.md5() instead
 		
 		tolua_beginmodule(tolua_S, "cFile");
 			tolua_function(tolua_S, "GetFolderContents", tolua_cFile_GetFolderContents);
@@ -3553,9 +3828,23 @@ void ManualBindings::Bind(lua_State * tolua_S)
 			tolua_function(tolua_S, "GetSlotCoords", Lua_ItemGrid_GetSlotCoords);
 		tolua_endmodule(tolua_S);
 
-		tolua_function(tolua_S, "md5", tolua_md5);
+		tolua_beginmodule(tolua_S, "cCryptoHash");
+			tolua_function(tolua_S, "md5", tolua_md5);
+			tolua_function(tolua_S, "md5HexString", tolua_md5HexString);
+			tolua_function(tolua_S, "sha1", tolua_sha1);
+			tolua_function(tolua_S, "sha1HexString", tolua_sha1HexString);
+		tolua_endmodule(tolua_S);
+		
+		tolua_beginmodule(tolua_S, "cStringCompression");
+			tolua_function(tolua_S, "CompressStringZLIB",     tolua_CompressStringZLIB);
+			tolua_function(tolua_S, "UncompressStringZLIB",   tolua_UncompressStringZLIB);
+			tolua_function(tolua_S, "CompressStringGZIP",     tolua_CompressStringGZIP);
+			tolua_function(tolua_S, "UncompressStringGZIP",   tolua_UncompressStringGZIP);
+			tolua_function(tolua_S, "InflateString",          tolua_InflateString);
+		tolua_endmodule(tolua_S);
 		
 		BindRankManager(tolua_S);
+		BindNetwork(tolua_S);
 
 	tolua_endmodule(tolua_S);
 }
diff --git a/src/Bindings/ManualBindings.h b/src/Bindings/ManualBindings.h
index 1b6e65654..74d24d5f5 100644
--- a/src/Bindings/ManualBindings.h
+++ b/src/Bindings/ManualBindings.h
@@ -1,6 +1,7 @@
 #pragma once
 
 struct lua_State;
+class cPluginLua;
 
 
 
@@ -17,8 +18,17 @@ protected:
 	/** Binds the manually implemented cRankManager glue code to tolua_S.
 	Implemented in ManualBindings_RankManager.cpp. */
 	static void BindRankManager(lua_State * tolua_S);
+
+	/** Binds the manually implemented cNetwork-related API to tolua_S.
+	Implemented in ManualBindings_Network.cpp. */
+	static void BindNetwork(lua_State * tolua_S);
 };
 
 
 
 
+extern cPluginLua * GetLuaPlugin(lua_State * L);
+
+
+
+
diff --git a/src/Bindings/ManualBindings_Network.cpp b/src/Bindings/ManualBindings_Network.cpp
new file mode 100644
index 000000000..a628eb9ca
--- /dev/null
+++ b/src/Bindings/ManualBindings_Network.cpp
@@ -0,0 +1,942 @@
+
+// ManualBindings_Network.cpp
+
+// Implements the cNetwork-related API bindings for Lua
+
+#include "Globals.h"
+#include "LuaTCPLink.h"
+#include "ManualBindings.h"
+#include "tolua++/include/tolua++.h"
+#include "LuaState.h"
+#include "LuaTCPLink.h"
+#include "LuaNameLookup.h"
+#include "LuaServerHandle.h"
+#include "LuaUDPEndpoint.h"
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cNetwork API functions:
+
+/** Binds cNetwork::Connect */
+static int tolua_cNetwork_Connect(lua_State * L)
+{
+	// Function signature:
+	// cNetwork:Connect(Host, Port, Callbacks) -> bool
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserTable(1, "cNetwork") ||
+		!S.CheckParamString(2) ||
+		!S.CheckParamNumber(3) ||
+		!S.CheckParamTable(4) ||
+		!S.CheckParamEnd(5)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the plugin instance:
+	cPluginLua * Plugin = GetLuaPlugin(L);
+	if (Plugin == nullptr)
+	{
+		// An error message has been already printed in GetLuaPlugin()
+		S.Push(false);
+		return 1;
+	}
+
+	// Read the params:
+	AString Host;
+	int Port;
+	S.GetStackValues(2, Host, Port);
+
+	// Check validity:
+	if ((Port < 0) || (Port > 65535))
+	{
+		LOGWARNING("cNetwork:Connect() called with invalid port (%d), failing the request.", Port);
+		S.Push(false);
+		return 1;
+	}
+
+	// Create the LuaTCPLink glue class:
+	auto Link = std::make_shared<cLuaTCPLink>(*Plugin, 4);
+
+	// Try to connect:
+	bool res = cNetwork::Connect(Host, static_cast<UInt16>(Port), Link, Link);
+	S.Push(res);
+
+	return 1;
+}
+
+
+
+
+
+/** Binds cNetwork::CreateUDPEndpoint */
+static int tolua_cNetwork_CreateUDPEndpoint(lua_State * L)
+{
+	// Function signature:
+	// cNetwork:CreateUDPEndpoint(Port, Callbacks) -> cUDPEndpoint
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserTable(1, "cNetwork") ||
+		!S.CheckParamNumber(2) ||
+		!S.CheckParamTable(3) ||
+		!S.CheckParamEnd(4)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the plugin instance:
+	cPluginLua * Plugin = GetLuaPlugin(L);
+	if (Plugin == nullptr)
+	{
+		// An error message has been already printed in GetLuaPlugin()
+		S.Push(false);
+		return 1;
+	}
+
+	// Read the params:
+	int Port;
+	S.GetStackValues(2, Port);
+
+	// Check validity:
+	if ((Port < 0) || (Port > 65535))
+	{
+		LOGWARNING("cNetwork:CreateUDPEndpoint() called with invalid port (%d), failing the request.", Port);
+		S.Push(false);
+		return 1;
+	}
+
+	// Create the LuaUDPEndpoint glue class:
+	auto Endpoint = std::make_shared<cLuaUDPEndpoint>(*Plugin, 3);
+	Endpoint->Open(Port, Endpoint);
+
+	// Register the endpoint to be garbage-collected by Lua:
+	tolua_pushusertype(L, Endpoint.get(), "cUDPEndpoint");
+	tolua_register_gc(L, lua_gettop(L));
+
+	// Return the endpoint object:
+	S.Push(Endpoint.get());
+	return 1;
+}
+
+
+
+
+
+/** Binds cNetwork::HostnameToIP */
+static int tolua_cNetwork_HostnameToIP(lua_State * L)
+{
+	// Function signature:
+	// cNetwork:HostnameToIP(Host, Callbacks) -> bool
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserTable(1, "cNetwork") ||
+		!S.CheckParamString(2) ||
+		!S.CheckParamTable(3) ||
+		!S.CheckParamEnd(4)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the plugin instance:
+	cPluginLua * Plugin = GetLuaPlugin(L);
+	if (Plugin == nullptr)
+	{
+		// An error message has been already printed in GetLuaPlugin()
+		S.Push(false);
+		return 1;
+	}
+
+	// Read the params:
+	AString Host;
+	S.GetStackValue(2, Host);
+
+	// Try to look up:
+	bool res = cNetwork::HostnameToIP(Host, std::make_shared<cLuaNameLookup>(Host, *Plugin, 3));
+	S.Push(res);
+
+	return 1;
+}
+
+
+
+
+
+/** Binds cNetwork::IPToHostname */
+static int tolua_cNetwork_IPToHostname(lua_State * L)
+{
+	// Function signature:
+	// cNetwork:IPToHostname(IP, Callbacks) -> bool
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserTable(1, "cNetwork") ||
+		!S.CheckParamString(2) ||
+		!S.CheckParamTable(3) ||
+		!S.CheckParamEnd(4)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the plugin instance:
+	cPluginLua * Plugin = GetLuaPlugin(L);
+	if (Plugin == nullptr)
+	{
+		// An error message has been already printed in GetLuaPlugin()
+		S.Push(false);
+		return 1;
+	}
+
+	// Read the params:
+	AString Host;
+	S.GetStackValue(2, Host);
+
+	// Try to look up:
+	bool res = cNetwork::IPToHostName(Host, std::make_shared<cLuaNameLookup>(Host, *Plugin, 3));
+	S.Push(res);
+
+	return 1;
+}
+
+
+
+
+
+/** Binds cNetwork::Listen */
+static int tolua_cNetwork_Listen(lua_State * L)
+{
+	// Function signature:
+	// cNetwork:Listen(Port, Callbacks) -> cServerHandle
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserTable(1, "cNetwork") ||
+		!S.CheckParamNumber(2) ||
+		!S.CheckParamTable(3) ||
+		!S.CheckParamEnd(4)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the plugin instance:
+	cPluginLua * Plugin = GetLuaPlugin(L);
+	if (Plugin == nullptr)
+	{
+		// An error message has been already printed in GetLuaPlugin()
+		S.Push(false);
+		return 1;
+	}
+
+	// Read the params:
+	int Port;
+	S.GetStackValues(2, Port);
+	if ((Port < 0) || (Port > 65535))
+	{
+		LOGWARNING("cNetwork:Listen() called with invalid port (%d), failing the request.", Port);
+		S.Push(false);
+		return 1;
+	}
+	UInt16 Port16 = static_cast<UInt16>(Port);
+
+	// Create the LuaTCPLink glue class:
+	auto Srv = std::make_shared<cLuaServerHandle>(Port16, *Plugin, 3);
+
+	// Listen:
+	Srv->SetServerHandle(cNetwork::Listen(Port16, Srv), Srv);
+
+	// Register the server to be garbage-collected by Lua:
+	tolua_pushusertype(L, Srv.get(), "cServerHandle");
+	tolua_register_gc(L, lua_gettop(L));
+
+	// Return the server handle wrapper:
+	S.Push(Srv.get());
+	return 1;
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cServerHandle bindings (routed through cLuaServerHandle):
+
+/** Called when Lua destroys the object instance.
+Close the server and let it deallocate on its own (it's in a SharedPtr). */
+static int tolua_collect_cServerHandle(lua_State * L)
+{
+	cLuaServerHandle * Srv = static_cast<cLuaServerHandle *>(tolua_tousertype(L, 1, nullptr));
+	Srv->Release();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaServerHandle::Close */
+static int tolua_cServerHandle_Close(lua_State * L)
+{
+	// Function signature:
+	// ServerInstance:Close()
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cServerHandle") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the server handle:
+	cLuaServerHandle * Srv;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cServerHandle:Close(): invalid server handle object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Srv = *static_cast<cLuaServerHandle **>(lua_touserdata(L, 1));
+
+	// Close it:
+	Srv->Close();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaServerHandle::IsListening */
+static int tolua_cServerHandle_IsListening(lua_State * L)
+{
+	// Function signature:
+	// ServerInstance:IsListening() -> bool
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cServerHandle") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the server handle:
+	cLuaServerHandle * Srv;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cServerHandle:IsListening(): invalid server handle object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Srv = *static_cast<cLuaServerHandle **>(lua_touserdata(L, 1));
+
+	// Close it:
+	S.Push(Srv->IsListening());
+	return 1;
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cTCPLink bindings (routed through cLuaTCPLink):
+
+/** Binds cLuaTCPLink::Close */
+static int tolua_cTCPLink_Close(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:Close()
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:Close(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// CLose the link:
+	Link->Close();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::GetLocalIP */
+static int tolua_cTCPLink_GetLocalIP(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:GetLocalIP() -> string
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:GetLocalIP(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Get the IP:
+	S.Push(Link->GetLocalIP());
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::GetLocalPort */
+static int tolua_cTCPLink_GetLocalPort(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:GetLocalPort() -> number
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:GetLocalPort(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Get the Port:
+	S.Push(Link->GetLocalPort());
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::GetRemoteIP */
+static int tolua_cTCPLink_GetRemoteIP(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:GetRemoteIP() -> string
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:GetRemoteIP(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Get the IP:
+	S.Push(Link->GetRemoteIP());
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::GetRemotePort */
+static int tolua_cTCPLink_GetRemotePort(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:GetRemotePort() -> number
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:GetRemotePort(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Get the Port:
+	S.Push(Link->GetRemotePort());
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::Send */
+static int tolua_cTCPLink_Send(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:Send(DataString)
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamString(2) ||
+		!S.CheckParamEnd(3)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:Send(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Get the data to send:
+	AString Data;
+	S.GetStackValues(2, Data);
+
+	// Send the data:
+	Link->Send(Data);
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::Shutdown */
+static int tolua_cTCPLink_Shutdown(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:Shutdown()
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:Shutdown(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Shutdown the link:
+	Link->Shutdown();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::StartTLSClient */
+static int tolua_cTCPLink_StartTLSClient(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:StartTLSClient(OwnCert, OwnPrivKey, OwnPrivKeyPassword) -> [true] or [nil, ErrMsg]
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamString(2, 4) ||
+		!S.CheckParamEnd(5)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:StartTLSClient(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Read the params:
+	AString OwnCert, OwnPrivKey, OwnPrivKeyPassword;
+	S.GetStackValues(2, OwnCert, OwnPrivKey, OwnPrivKeyPassword);
+
+	// Start the TLS handshake:
+	AString res = Link->StartTLSClient(OwnCert, OwnPrivKey, OwnPrivKeyPassword);
+	if (!res.empty())
+	{
+		S.PushNil();
+		S.Push(Printf("Cannot start TLS on link to %s:%d: %s", Link->GetRemoteIP().c_str(), Link->GetRemotePort(), res.c_str()));
+		return 2;
+	}
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaTCPLink::StartTLSServer */
+static int tolua_cTCPLink_StartTLSServer(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:StartTLSServer(OwnCert, OwnPrivKey, OwnPrivKeyPassword, StartTLSData) -> [true] or [nil, ErrMsg]
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cTCPLink") ||
+		!S.CheckParamString(2, 4) ||
+		// Param 5 is optional, don't check
+		!S.CheckParamEnd(6)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	cLuaTCPLink * Link;
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cTCPLink:StartTLSServer(): invalid link object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	Link = *static_cast<cLuaTCPLink **>(lua_touserdata(L, 1));
+
+	// Read the params:
+	AString OwnCert, OwnPrivKey, OwnPrivKeyPassword, StartTLSData;
+	S.GetStackValues(2, OwnCert, OwnPrivKey, OwnPrivKeyPassword, StartTLSData);
+
+	// Start the TLS handshake:
+	AString res = Link->StartTLSServer(OwnCert, OwnPrivKey, OwnPrivKeyPassword, StartTLSData);
+	if (!res.empty())
+	{
+		S.PushNil();
+		S.Push(Printf("Cannot start TLS on link to %s:%d: %s", Link->GetRemoteIP().c_str(), Link->GetRemotePort(), res.c_str()));
+		return 2;
+	}
+	return 1;
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// cUDPEndpoint bindings (routed through cLuaUDPEndpoint):
+
+/** Called when Lua destroys the object instance.
+Close the endpoint and let it deallocate on its own (it's in a SharedPtr). */
+static int tolua_collect_cUDPEndpoint(lua_State * L)
+{
+	LOGD("Lua: Collecting cUDPEndpoint");
+	cLuaUDPEndpoint * Endpoint = static_cast<cLuaUDPEndpoint *>(tolua_tousertype(L, 1, nullptr));
+	Endpoint->Release();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaUDPEndpoint::Close */
+static int tolua_cUDPEndpoint_Close(lua_State * L)
+{
+	// Function signature:
+	// EndpointInstance:Close()
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cUDPEndpoint") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the endpoint:
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cUDPEndpoint:Close(): invalid endpoint object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	auto Endpoint = *static_cast<cLuaUDPEndpoint **>(lua_touserdata(L, 1));
+
+	// Close it:
+	Endpoint->Close();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaUDPEndpoint::EnableBroadcasts */
+static int tolua_cUDPEndpoint_EnableBroadcasts(lua_State * L)
+{
+	// Function signature:
+	// EndpointInstance:EnableBroadcasts()
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cUDPEndpoint") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the endpoint:
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cUDPEndpoint:EnableBroadcasts(): invalid endpoint object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	auto Endpoint = *static_cast<cLuaUDPEndpoint **>(lua_touserdata(L, 1));
+
+	// Enable the broadcasts:
+	Endpoint->EnableBroadcasts();
+	return 0;
+}
+
+
+
+
+
+/** Binds cLuaUDPEndpoint::GetPort */
+static int tolua_cUDPEndpoint_GetPort(lua_State * L)
+{
+	// Function signature:
+	// Endpoint:GetPort() -> number
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cUDPEndpoint") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the endpoint:
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cUDPEndpoint:GetPort(): invalid endpoint object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	auto Endpoint = *static_cast<cLuaUDPEndpoint **>(lua_touserdata(L, 1));
+
+	// Get the Port:
+	S.Push(Endpoint->GetPort());
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaUDPEndpoint::IsOpen */
+static int tolua_cUDPEndpoint_IsOpen(lua_State * L)
+{
+	// Function signature:
+	// Endpoint:IsOpen() -> bool
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cUDPEndpoint") ||
+		!S.CheckParamEnd(2)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the endpoint:
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cUDPEndpoint:IsListening(): invalid server handle object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	auto Endpoint = *static_cast<cLuaUDPEndpoint **>(lua_touserdata(L, 1));
+
+	// Close it:
+	S.Push(Endpoint->IsOpen());
+	return 1;
+}
+
+
+
+
+
+/** Binds cLuaUDPEndpoint::Send */
+static int tolua_cUDPEndpoint_Send(lua_State * L)
+{
+	// Function signature:
+	// LinkInstance:Send(DataString)
+
+	cLuaState S(L);
+	if (
+		!S.CheckParamUserType(1, "cUDPEndpoint") ||
+		!S.CheckParamString(2, 3) ||
+		!S.CheckParamNumber(4) ||
+		!S.CheckParamEnd(5)
+	)
+	{
+		return 0;
+	}
+	
+	// Get the link:
+	if (lua_isnil(L, 1))
+	{
+		LOGWARNING("cUDPEndpoint:Send(): invalid endpoint object. Stack trace:");
+		S.LogStackTrace();
+		return 0;
+	}
+	auto Endpoint = *static_cast<cLuaUDPEndpoint **>(lua_touserdata(L, 1));
+
+	// Get the data to send:
+	AString Data, RemotePeer;
+	int RemotePort;
+	S.GetStackValues(2, Data, RemotePeer, RemotePort);
+
+	// Check the port:
+	if ((RemotePort < 0) || (RemotePort > USHRT_MAX))
+	{
+		LOGWARNING("cUDPEndpoint:Send() called with invalid port (%d), failing.", RemotePort);
+		S.LogStackTrace();
+		S.Push(false);
+		return 1;
+	}
+
+	// Send the data:
+	S.Push(Endpoint->Send(Data, RemotePeer, static_cast<UInt16>(RemotePort)));
+	return 1;
+}
+
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Register the bindings:
+
+void ManualBindings::BindNetwork(lua_State * tolua_S)
+{
+	// Create the cNetwork API classes:
+	tolua_usertype(tolua_S, "cNetwork");
+	tolua_cclass(tolua_S, "cNetwork", "cNetwork", "", nullptr);
+	tolua_usertype(tolua_S, "cTCPLink");
+	tolua_cclass(tolua_S, "cTCPLink", "cTCPLink", "", nullptr);
+	tolua_usertype(tolua_S, "cServerHandle");
+	tolua_cclass(tolua_S, "cServerHandle", "cServerHandle", "", tolua_collect_cServerHandle);
+	tolua_usertype(tolua_S, "cUDPEndpoint");
+	tolua_cclass(tolua_S, "cUDPEndpoint", "cUDPEndpoint", "", tolua_collect_cUDPEndpoint);
+	
+	// Fill in the functions (alpha-sorted):
+	tolua_beginmodule(tolua_S, "cNetwork");
+		tolua_function(tolua_S, "Connect",           tolua_cNetwork_Connect);
+		tolua_function(tolua_S, "CreateUDPEndpoint", tolua_cNetwork_CreateUDPEndpoint);
+		tolua_function(tolua_S, "HostnameToIP",      tolua_cNetwork_HostnameToIP);
+		tolua_function(tolua_S, "IPToHostname",      tolua_cNetwork_IPToHostname);
+		tolua_function(tolua_S, "Listen",            tolua_cNetwork_Listen);
+	tolua_endmodule(tolua_S);
+
+	tolua_beginmodule(tolua_S, "cServerHandle");
+		tolua_function(tolua_S, "Close",       tolua_cServerHandle_Close);
+		tolua_function(tolua_S, "IsListening", tolua_cServerHandle_IsListening);
+	tolua_endmodule(tolua_S);
+
+	tolua_beginmodule(tolua_S, "cTCPLink");
+		tolua_function(tolua_S, "Close",          tolua_cTCPLink_Close);
+		tolua_function(tolua_S, "GetLocalIP",     tolua_cTCPLink_GetLocalIP);
+		tolua_function(tolua_S, "GetLocalPort",   tolua_cTCPLink_GetLocalPort);
+		tolua_function(tolua_S, "GetRemoteIP",    tolua_cTCPLink_GetRemoteIP);
+		tolua_function(tolua_S, "GetRemotePort",  tolua_cTCPLink_GetRemotePort);
+		tolua_function(tolua_S, "Send",           tolua_cTCPLink_Send);
+		tolua_function(tolua_S, "Shutdown",       tolua_cTCPLink_Shutdown);
+		tolua_function(tolua_S, "StartTLSClient", tolua_cTCPLink_StartTLSClient);
+		tolua_function(tolua_S, "StartTLSServer", tolua_cTCPLink_StartTLSServer);
+	tolua_endmodule(tolua_S);
+
+	tolua_beginmodule(tolua_S, "cUDPEndpoint");
+		tolua_function(tolua_S, "Close",            tolua_cUDPEndpoint_Close);
+		tolua_function(tolua_S, "EnableBroadcasts", tolua_cUDPEndpoint_EnableBroadcasts);
+		tolua_function(tolua_S, "GetPort",          tolua_cUDPEndpoint_GetPort);
+		tolua_function(tolua_S, "IsOpen",           tolua_cUDPEndpoint_IsOpen);
+		tolua_function(tolua_S, "Send",             tolua_cUDPEndpoint_Send);
+	tolua_endmodule(tolua_S);
+
+}
+
+
+
+
diff --git a/src/Bindings/Plugin.h b/src/Bindings/Plugin.h
index 6210dbed4..6ade8ef9f 100644
--- a/src/Bindings/Plugin.h
+++ b/src/Bindings/Plugin.h
@@ -57,6 +57,7 @@ public:
 	virtual bool OnCraftingNoRecipe         (cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe) = 0;
 	virtual bool OnDisconnect               (cClientHandle & a_Client, const AString & a_Reason) = 0;
 	virtual bool OnEntityAddEffect          (cEntity & a_Entity, int a_EffectType, int a_EffectDurationTicks, int a_EffectIntensity, double a_DistanceModifier) = 0;
+	virtual bool OnEntityTeleport           (cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition) = 0;
 	virtual bool OnExecuteCommand           (cPlayer * a_Player, const AStringVector & a_Split) = 0;
 	virtual bool OnExploded                 (cWorld & a_World, double a_ExplosionSize,   bool a_CanCauseFire,   double a_X, double a_Y, double a_Z, eExplosionSource a_Source, void * a_SourceData) = 0;
 	virtual bool OnExploding                (cWorld & a_World, double & a_ExplosionSize, bool & a_CanCauseFire, double a_X, double a_Y, double a_Z, eExplosionSource a_Source, void * a_SourceData) = 0;
diff --git a/src/Bindings/PluginLua.cpp b/src/Bindings/PluginLua.cpp
index 500913e76..fb7650d42 100644
--- a/src/Bindings/PluginLua.cpp
+++ b/src/Bindings/PluginLua.cpp
@@ -857,6 +857,26 @@ bool cPluginLua::OnPlayerMoving(cPlayer & a_Player, const Vector3d & a_OldPositi
 
 
 
+bool cPluginLua::OnEntityTeleport(cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition)
+{
+	cCSLock Lock(m_CriticalSection);
+	bool res = false;
+	cLuaRefs & Refs = m_HookMap[cPluginManager::HOOK_ENTITY_TELEPORT];
+	for (cLuaRefs::iterator itr = Refs.begin(), end = Refs.end(); itr != end; ++itr)
+	{
+		m_LuaState.Call((int)(**itr), &a_Entity, a_OldPosition, a_NewPosition, cLuaState::Return, res);
+		if (res)
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+
+
+
+
 bool cPluginLua::OnPlayerPlacedBlock(cPlayer & a_Player, const sSetBlock & a_BlockChange)
 {
 	cCSLock Lock(m_CriticalSection);
@@ -1577,6 +1597,7 @@ const char * cPluginLua::GetHookFnName(int a_HookType)
 		case cPluginManager::HOOK_DISCONNECT:                   return "OnDisconnect";
 		case cPluginManager::HOOK_PLAYER_ANIMATION:             return "OnPlayerAnimation";
 		case cPluginManager::HOOK_ENTITY_ADD_EFFECT:            return "OnEntityAddEffect";
+		case cPluginManager::HOOK_ENTITY_TELEPORT:              return "OnEntityTeleport";
 		case cPluginManager::HOOK_EXECUTE_COMMAND:              return "OnExecuteCommand";
 		case cPluginManager::HOOK_HANDSHAKE:                    return "OnHandshake";
 		case cPluginManager::HOOK_KILLING:                      return "OnKilling";
diff --git a/src/Bindings/PluginLua.h b/src/Bindings/PluginLua.h
index f443f5fc0..7b528501b 100644
--- a/src/Bindings/PluginLua.h
+++ b/src/Bindings/PluginLua.h
@@ -106,6 +106,7 @@ public:
 	virtual bool OnPlayerRightClickingEntity(cPlayer & a_Player, cEntity & a_Entity) override;
 	virtual bool OnPlayerShooting           (cPlayer & a_Player) override;
 	virtual bool OnPlayerSpawned            (cPlayer & a_Player) override;
+	virtual bool OnEntityTeleport           (cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition) override;
 	virtual bool OnPlayerTossingItem        (cPlayer & a_Player) override;
 	virtual bool OnPlayerUsedBlock          (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
 	virtual bool OnPlayerUsedItem           (cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override;
diff --git a/src/Bindings/PluginManager.cpp b/src/Bindings/PluginManager.cpp
index 9d86c64a2..41b36337e 100644
--- a/src/Bindings/PluginManager.cpp
+++ b/src/Bindings/PluginManager.cpp
@@ -505,6 +505,24 @@ bool cPluginManager::CallHookEntityAddEffect(cEntity & a_Entity, int a_EffectTyp
 
 
 
+bool cPluginManager::CallHookEntityTeleport(cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition)
+{
+	FIND_HOOK(HOOK_ENTITY_TELEPORT);
+	VERIFY_HOOK;
+
+	for (PluginList::iterator itr = Plugins->second.begin(); itr != Plugins->second.end(); ++itr)
+	{
+		if ((*itr)->OnEntityTeleport(a_Entity, a_OldPosition, a_NewPosition))
+		{
+			return true;
+		}
+	}
+	return false;
+}
+
+
+
+
 bool cPluginManager::CallHookExecuteCommand(cPlayer * a_Player, const AStringVector & a_Split)
 {
 	FIND_HOOK(HOOK_EXECUTE_COMMAND);
diff --git a/src/Bindings/PluginManager.h b/src/Bindings/PluginManager.h
index 97e91c1df..c8b4de9d6 100644
--- a/src/Bindings/PluginManager.h
+++ b/src/Bindings/PluginManager.h
@@ -109,6 +109,7 @@ public:
 		HOOK_PLAYER_RIGHT_CLICKING_ENTITY,
 		HOOK_PLAYER_SHOOTING,
 		HOOK_PLAYER_SPAWNED,
+		HOOK_ENTITY_TELEPORT,
 		HOOK_PLAYER_TOSSING_ITEM,
 		HOOK_PLAYER_USED_BLOCK,
 		HOOK_PLAYER_USED_ITEM,
@@ -190,6 +191,7 @@ public:
 	bool CallHookCraftingNoRecipe         (cPlayer & a_Player, cCraftingGrid & a_Grid, cCraftingRecipe & a_Recipe);
 	bool CallHookDisconnect               (cClientHandle & a_Client, const AString & a_Reason);
 	bool CallHookEntityAddEffect          (cEntity & a_Entity, int a_EffectType, int a_EffectDurationTicks, int a_EffectIntensity, double a_DistanceModifier);
+	bool CallHookEntityTeleport           (cEntity & a_Entity, const Vector3d & a_OldPosition, const Vector3d & a_NewPosition);
 	bool CallHookExecuteCommand           (cPlayer * a_Player, const AStringVector & a_Split);  // If a_Player == nullptr, it is a console cmd
 	bool CallHookExploded                 (cWorld & a_World, double a_ExplosionSize,   bool a_CanCauseFire,   double a_X, double a_Y, double a_Z, eExplosionSource a_Source, void * a_SourceData);
 	bool CallHookExploding                (cWorld & a_World, double & a_ExplosionSize, bool & a_CanCauseFire, double a_X, double a_Y, double a_Z, eExplosionSource a_Source, void * a_SourceData);