Merge 6e639f0e6a into 5f762845f0

contrib/i2pd.service

@@ -2,6 +2,7 @@
 Description=I2P Router written in C++
 Documentation=man:i2pd(1) https://i2pd.readthedocs.io/en/latest/
 After=network.target
+Wants=yggdrasil.service
 
 [Service]
 User=i2pd

libi2pd/TransitTunnel.cpp

@@ -131,27 +131,35 @@ namespace tunnel
 
 		LogPrint (eLogDebug, "TransitTunnel: handle msg for endpoint ", GetTunnelID ());
 		std::lock_guard<std::mutex> l(m_HandleMutex);
-		m_Endpoint.HandleDecryptedTunnelDataMsg (newMsg);
+		if (!m_Endpoint) m_Endpoint = std::make_unique<TunnelEndpoint>(false); // transit endpoint is always outbound
+		m_Endpoint->HandleDecryptedTunnelDataMsg (newMsg);
 	}
 
 	void TransitTunnelEndpoint::FlushTunnelDataMsgs ()
 	{
-		std::lock_guard<std::mutex> l(m_HandleMutex);
-		m_Endpoint.FlushI2NPMsgs ();
+		if (m_Endpoint)
+		{
+			std::lock_guard<std::mutex> l(m_HandleMutex);
+			m_Endpoint->FlushI2NPMsgs ();
+		}	
 	}	
 
 	void TransitTunnelEndpoint::Cleanup ()
 	{ 
-		std::lock_guard<std::mutex> l(m_HandleMutex);
-		m_Endpoint.Cleanup ();
+		if (m_Endpoint)
+		{	
+			std::lock_guard<std::mutex> l(m_HandleMutex);
+			m_Endpoint->Cleanup ();
+		}	
 	}	
 		
 	std::string TransitTunnelEndpoint::GetNextPeerName () const
 	{ 
-		auto hash = m_Endpoint.GetCurrentHash ();
+		if (!m_Endpoint) return "";
+		auto hash = m_Endpoint->GetCurrentHash ();
 		if (hash)
 		{	
-			const auto& sender = m_Endpoint.GetSender ();
+			const auto& sender = m_Endpoint->GetSender ();
 			if (sender)
 			{
 				auto transport = sender->GetCurrentTransport ();

libi2pd/TransitTunnel.h

@@ -97,20 +97,19 @@ namespace tunnel
 			TransitTunnelEndpoint (uint32_t receiveTunnelID,
 				const i2p::data::IdentHash& nextIdent, uint32_t nextTunnelID,
 				const i2p::crypto::AESKey& layerKey, const i2p::crypto::AESKey& ivKey):
-				TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, layerKey, ivKey),
-				m_Endpoint (false) {}; // transit endpoint is always outbound
+				TransitTunnel (receiveTunnelID, nextIdent, nextTunnelID, layerKey, ivKey) {}; 
 
 			void Cleanup () override;
 		
 			void HandleTunnelDataMsg (std::shared_ptr<i2p::I2NPMessage>&& tunnelMsg) override;
 			void FlushTunnelDataMsgs () override;
-			size_t GetNumTransmittedBytes () const override { return m_Endpoint.GetNumReceivedBytes (); }
+			size_t GetNumTransmittedBytes () const override { return m_Endpoint ? m_Endpoint->GetNumReceivedBytes () : 0; }
 			std::string GetNextPeerName () const override;
 			
 		private:
 
 			std::mutex m_HandleMutex;
-			TunnelEndpoint m_Endpoint;
+			std::unique_ptr<TunnelEndpoint> m_Endpoint;
 	};
 
 	std::shared_ptr<TransitTunnel> CreateTransitTunnel (uint32_t receiveTunnelID,

libi2pd_client/BOB.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2024, The PurpleI2P Project
+* Copyright (c) 2013-2025, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -16,6 +16,24 @@ namespace i2p
 {
 namespace client
 {
+	void BOBI2PTunnelIncomingConnection::Established ()
+	{
+		if (m_IsQuiet)
+			StreamReceive ();
+		else
+		{
+			// send destination first like received from I2P
+			std::string dest = GetStream ()->GetRemoteIdentity ()->ToBase64 ();
+			dest += "\n";
+			if (dest.size() <= I2P_TUNNEL_CONNECTION_BUFFER_SIZE)
+				memcpy (GetStreamBuffer (), dest.c_str (), dest.size ());
+			else
+				memset (GetStreamBuffer (), 0, I2P_TUNNEL_CONNECTION_BUFFER_SIZE);
+			HandleStreamReceive (boost::system::error_code (), dest.size ());
+		}
+		Receive ();
+	}	
+	
 	BOBI2PInboundTunnel::BOBI2PInboundTunnel (const boost::asio::ip::tcp::endpoint& ep, std::shared_ptr<ClientDestination> localDestination):
 		BOBI2PTunnel (localDestination), m_Acceptor (localDestination->GetService (), ep)
 	{
@@ -156,7 +174,7 @@ namespace client
 	{
 		if (stream)
 		{
-			auto conn = std::make_shared<I2PTunnelConnection> (this, stream, m_Endpoint, m_IsQuiet);
+			auto conn = std::make_shared<BOBI2PTunnelIncomingConnection> (this, stream, m_Endpoint, m_IsQuiet);
 			AddHandler (conn);
 			conn->Connect ();
 		}

libi2pd_client/BOB.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2024, The PurpleI2P Project
+* Copyright (c) 2013-2025, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -71,6 +71,23 @@ namespace client
 	const char BOB_HELP_STATUS[] = "status <NICKNAME> - Display status of a nicknamed tunnel.";
 	const char BOB_HELP_HELP [] = "help <COMMAND> - Get help on a command.";
 
+	class BOBI2PTunnelIncomingConnection: public I2PTunnelConnection
+	{
+		public:
+
+			BOBI2PTunnelIncomingConnection (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
+				const boost::asio::ip::tcp::endpoint& target, bool quiet):
+				I2PTunnelConnection (owner, stream, target), m_IsQuiet (quiet) {};
+
+		protected:
+
+			void Established () override;
+		
+		private:
+
+			bool m_IsQuiet; // don't send destination
+	};
+	
 	class BOBI2PTunnel: public I2PService
 	{
 		public:

libi2pd_client/I2PTunnel.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2024, The PurpleI2P Project
+* Copyright (c) 2013-2025, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -32,8 +32,7 @@ namespace client
 
 	I2PTunnelConnection::I2PTunnelConnection (I2PService * owner, std::shared_ptr<boost::asio::ip::tcp::socket> socket,
 		std::shared_ptr<const i2p::data::LeaseSet> leaseSet, uint16_t port):
-		I2PServiceHandler(owner), m_Socket (socket), m_RemoteEndpoint (socket->remote_endpoint ()),
-		m_IsQuiet (true)
+		I2PServiceHandler(owner), m_Socket (socket), m_RemoteEndpoint (socket->remote_endpoint ())
 	{
 		m_Stream = GetOwner()->GetLocalDestination ()->CreateStream (leaseSet, port);
 	}
@@ -41,14 +40,13 @@ namespace client
 	I2PTunnelConnection::I2PTunnelConnection (I2PService * owner,
 		std::shared_ptr<boost::asio::ip::tcp::socket> socket, std::shared_ptr<i2p::stream::Stream> stream):
 		I2PServiceHandler(owner), m_Socket (socket), m_Stream (stream),
-		m_RemoteEndpoint (socket->remote_endpoint ()), m_IsQuiet (true)
+		m_RemoteEndpoint (socket->remote_endpoint ())
 	{
 	}
 
 	I2PTunnelConnection::I2PTunnelConnection (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
-		const boost::asio::ip::tcp::endpoint& target, bool quiet,
-	    std::shared_ptr<boost::asio::ssl::context> sslCtx):
-		I2PServiceHandler(owner), m_Stream (stream), m_RemoteEndpoint (target), m_IsQuiet (quiet)
+		const boost::asio::ip::tcp::endpoint& target,std::shared_ptr<boost::asio::ssl::context> sslCtx):
+		I2PServiceHandler(owner), m_Stream (stream), m_RemoteEndpoint (target)
 	{
 		m_Socket = std::make_shared<boost::asio::ip::tcp::socket> (owner->GetService ());
 		if (sslCtx)
@@ -292,18 +290,7 @@ namespace client
 
 	void I2PTunnelConnection::Established ()
 	{
-		if (m_IsQuiet)
-			StreamReceive ();
-		else
-		{
-			// send destination first like received from I2P
-			std::string dest = m_Stream->GetRemoteIdentity ()->ToBase64 ();
-			dest += "\n";
-			if(sizeof(m_StreamBuffer) >= dest.size()) {
-				memcpy (m_StreamBuffer, dest.c_str (), dest.size ());
-			}
-			HandleStreamReceive (boost::system::error_code (), dest.size ());
-		}
+		StreamReceive ();
 		Receive ();
 	}
 
@@ -377,7 +364,7 @@ namespace client
 	I2PServerTunnelConnectionHTTP::I2PServerTunnelConnectionHTTP (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
 		const boost::asio::ip::tcp::endpoint& target, const std::string& host, const std::string& XI2P,
 	    std::shared_ptr<boost::asio::ssl::context> sslCtx):
-		I2PTunnelConnection (owner, stream, target, true, sslCtx), m_Host (host), m_XI2P (XI2P),
+		I2PTunnelConnection (owner, stream, target, sslCtx), m_Host (host), m_XI2P (XI2P),
 		m_HeaderSent (false), m_ResponseHeaderSent (false)
 	{
 		if (sslCtx)
@@ -528,7 +515,7 @@ namespace client
 	I2PTunnelConnectionIRC::I2PTunnelConnectionIRC (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
 		const boost::asio::ip::tcp::endpoint& target, const std::string& webircpass,
 	    std::shared_ptr<boost::asio::ssl::context> sslCtx):
-		I2PTunnelConnection (owner, stream, target, true, sslCtx), m_From (stream->GetRemoteIdentity ()),
+		I2PTunnelConnection (owner, stream, target, sslCtx), m_From (stream->GetRemoteIdentity ()),
 		m_NeedsWebIrc (webircpass.length() ? true : false), m_WebircPass (webircpass)
 	{
 	}
@@ -857,7 +844,7 @@ namespace client
 
 	std::shared_ptr<I2PTunnelConnection> I2PServerTunnel::CreateI2PConnection (std::shared_ptr<i2p::stream::Stream> stream)
 	{
-		return std::make_shared<I2PTunnelConnection> (this, stream, GetEndpoint (), true, m_SSLCtx);
+		return std::make_shared<I2PTunnelConnection> (this, stream, GetEndpoint (), m_SSLCtx);
 
 	}
 

libi2pd_client/I2PTunnel.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2024, The PurpleI2P Project
+* Copyright (c) 2013-2025, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -27,7 +27,7 @@ namespace i2p
 {
 namespace client
 {
-	const size_t I2P_TUNNEL_CONNECTION_BUFFER_SIZE = 65536;
+	const size_t I2P_TUNNEL_CONNECTION_BUFFER_SIZE = 16384;
 	const int I2P_TUNNEL_CONNECTION_MAX_IDLE = 3600; // in seconds
 	const int I2P_TUNNEL_DESTINATION_REQUEST_TIMEOUT = 10; // in seconds
 	// for HTTP tunnels
@@ -45,7 +45,7 @@ namespace client
 			I2PTunnelConnection (I2PService * owner, std::shared_ptr<boost::asio::ip::tcp::socket> socket,
 				std::shared_ptr<i2p::stream::Stream> stream); // to I2P using simplified API
 			I2PTunnelConnection (I2PService * owner, std::shared_ptr<i2p::stream::Stream> stream,
-				const boost::asio::ip::tcp::endpoint& target, bool quiet = true,
+				const boost::asio::ip::tcp::endpoint& target,
 			    std::shared_ptr<boost::asio::ssl::context> sslCtx = nullptr); // from I2P
 			~I2PTunnelConnection ();
 			void I2PConnect (const uint8_t * msg = nullptr, size_t len = 0);
@@ -54,25 +54,27 @@ namespace client
 
 		protected:
 
+			virtual void Established ();
 			void Terminate ();
 
 			void Receive ();
 			void StreamReceive ();
+			void HandleStreamReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
 			virtual void Write (const uint8_t * buf, size_t len); // can be overloaded
 			virtual void WriteToStream (const uint8_t * buf, size_t len); // can be overloaded
 
 			std::shared_ptr<boost::asio::ip::tcp::socket> GetSocket () const { return m_Socket; };
+			std::shared_ptr<i2p::stream::Stream> GetStream () const { return m_Stream; };
 			std::shared_ptr<boost::asio::ssl::stream<boost::asio::ip::tcp::socket&> > GetSSL () const { return m_SSL; };
-
+			uint8_t * GetStreamBuffer () { return m_StreamBuffer; };
+		
 		private:
 
 			void HandleConnect (const boost::system::error_code& ecode);
 			void HandleHandshake (const boost::system::error_code& ecode);
-			void Established ();
 			void HandleReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
 			void HandleWrite (const boost::system::error_code& ecode);
-			void HandleStreamReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
-
+			
 		private:
 
 			uint8_t m_Buffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE], m_StreamBuffer[I2P_TUNNEL_CONNECTION_BUFFER_SIZE];
@@ -80,7 +82,6 @@ namespace client
 			std::shared_ptr<boost::asio::ssl::stream<boost::asio::ip::tcp::socket&> > m_SSL;
 			std::shared_ptr<i2p::stream::Stream> m_Stream;
 			boost::asio::ip::tcp::endpoint m_RemoteEndpoint;
-			bool m_IsQuiet; // don't send destination
 	};
 
 	class I2PClientTunnelConnectionHTTP: public I2PTunnelConnection
@@ -94,7 +95,7 @@ namespace client
 
 		protected:
 
-			void Write (const uint8_t * buf, size_t len);
+			void Write (const uint8_t * buf, size_t len) override;
 
 		private:
 
@@ -112,8 +113,8 @@ namespace client
 
 		protected:
 
-			void Write (const uint8_t * buf, size_t len);
-			void WriteToStream (const uint8_t * buf, size_t len);
+			void Write (const uint8_t * buf, size_t len) override;
+			void WriteToStream (const uint8_t * buf, size_t len) override;
 
 		private:
 
@@ -132,7 +133,7 @@ namespace client
 
 		protected:
 
-			void Write (const uint8_t * buf, size_t len);
+			void Write (const uint8_t * buf, size_t len) override;
 
 		private: