disable NTCP for good

libi2pd/Config.cpp

@@ -58,7 +58,7 @@ namespace config {
 			("floodfill", bool_switch()->default_value(false),                "Router will be floodfill (default: disabled)")
 			("bandwidth", value<std::string>()->default_value(""),            "Bandwidth limit: integer in KBps or letters: L (32), O (256), P (2048), X (>9000)")
 			("share", value<int>()->default_value(100),                       "Limit of transit traffic from max bandwidth in percents. (default: 100)")
-			("ntcp", value<bool>()->default_value(false),                     "Enable NTCP transport (default: disabled)")
+			("ntcp", value<bool>()->default_value(false),                     "Ignored. Always false")
 			("ssu", value<bool>()->default_value(true),                       "Enable SSU transport (default: enabled)")
 			("ntcpproxy", value<std::string>()->default_value(""),            "Proxy URL for NTCP transport")
 #ifdef _WIN32

libi2pd/RouterContext.cpp

@@ -63,7 +63,6 @@ namespace i2p
 		bool ipv4;           i2p::config::GetOption("ipv4", ipv4);
 		bool ipv6;           i2p::config::GetOption("ipv6", ipv6);
 		bool ssu;            i2p::config::GetOption("ssu", ssu);
-		bool ntcp;           i2p::config::GetOption("ntcp", ntcp);
 		bool ntcp2;          i2p::config::GetOption("ntcp2.enabled", ntcp2);
 		bool nat;            i2p::config::GetOption("nat", nat);
 		std::string ifname;  i2p::config::GetOption("ifname", ifname);
@@ -83,8 +82,6 @@ namespace i2p
 
 			if (ssu)
 				routerInfo.AddSSUAddress (host.c_str(), port, routerInfo.GetIdentHash ());
-			if (ntcp)
-				routerInfo.AddNTCPAddress (host.c_str(), port);
 		}
 		if (ipv6)
 		{
@@ -99,8 +96,6 @@ namespace i2p
 
 			if (ssu)
 				routerInfo.AddSSUAddress (host.c_str(), port, routerInfo.GetIdentHash ());
-			if (ntcp)
-				routerInfo.AddNTCPAddress (host.c_str(), port);
 		}
 
 		routerInfo.SetCaps (i2p::data::RouterInfo::eReachable |
@@ -115,8 +110,6 @@ namespace i2p
 		{
 			if (!m_NTCP2Keys) NewNTCP2Keys ();
 			UpdateNTCP2Address (true);
-			if (!ntcp) // NTCP2 should replace NTCP
-			{
 			bool published; i2p::config::GetOption("ntcp2.published", published);
 			if (published)
 			{
@@ -132,7 +125,6 @@ namespace i2p
 			}
 		}
 	}
-	}
 
 	void RouterContext::UpdateRouterInfo ()
 	{
@@ -444,16 +436,10 @@ namespace i2p
 				addr->ssu->introducers.clear ();
 				port = addr->port;
 			}
-		// remove NTCP or NTCP2 v4 address
-		bool ntcp;   i2p::config::GetOption("ntcp", ntcp);
-		if (ntcp)
-			PublishNTCPAddress (false);
-		else
-		{
+		// remove NTCP2 v4 address
 		bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
 		if (ntcp2)
 			PublishNTCP2Address (port, false, true);
-		}
 		// update
 		UpdateRouterInfo ();
 	}
@@ -477,13 +463,7 @@ namespace i2p
 				addr->ssu->introducers.clear ();
 				port = addr->port;
 			}
-		// insert NTCP or NTCP2 back
-		bool ntcp;   i2p::config::GetOption("ntcp", ntcp);
-		if (ntcp)
-			PublishNTCPAddress (true);
-		else
-		{
-			// ntcp2
+		// insert NTCP2 back
 		bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
 		if (ntcp2)
 		{
@@ -495,7 +475,6 @@ namespace i2p
 				PublishNTCP2Address (ntcp2Port, true, true);
 			}
 		}
-		}
 		// update
 		UpdateRouterInfo ();
 	}
@@ -506,7 +485,7 @@ namespace i2p
 		{
 			m_RouterInfo.EnableV6 ();
 			// insert v6 addresses if necessary
-			bool foundSSU = false, foundNTCP = false, foundNTCP2 = false;
+			bool foundSSU = false, foundNTCP2 = false;
 			uint16_t port = 0;
 			auto& addresses = m_RouterInfo.GetAddresses ();
 			for (auto& addr: addresses)
@@ -515,12 +494,8 @@ namespace i2p
 				{
 					if (addr->transportStyle == i2p::data::RouterInfo::eTransportSSU)
 						foundSSU = true;
-					else if (addr->IsNTCP2 ())
-					{
-						if (addr->IsPublishedNTCP2 ()) foundNTCP2 = true;
-					}
-					else
-						foundNTCP = true;
+					else if (addr->IsPublishedNTCP2 ())
+						foundNTCP2 = true;
 				}
 				port = addr->port;
 			}
@@ -552,16 +527,6 @@ namespace i2p
 					m_RouterInfo.AddNTCP2Address (m_NTCP2Keys->staticPublicKey, m_NTCP2Keys->iv, boost::asio::ip::address::from_string (ntcp2Host), ntcp2Port);
 				}
 			}
-			// NTCP
-			if (!foundNTCP)
-			{
-				bool ntcp; i2p::config::GetOption("ntcp", ntcp);
-				if (ntcp)
-				{
-					std::string host = "::1";
-					m_RouterInfo.AddNTCPAddress (host.c_str (), port);
-				}
-			}
 		}
 		else
 			m_RouterInfo.DisableV6 ();

libi2pd/RouterInfo.cpp

@@ -316,7 +316,7 @@ namespace data
 			}
 			if (introducers) supportedTransports |= eSSUV4; // in case if host is not presented
 			if (isNTCP2Only && address->ntcp2) address->ntcp2->isNTCP2Only = true;
-			if (supportedTransports)
+			if (supportedTransports & ~(eNTCPV4 | eNTCPV6)) // exclude NTCP only
 			{
 				addresses->push_back(address);
 				m_SupportedTransports |= supportedTransports;
@@ -477,7 +477,12 @@ namespace data
 			s.write ((const char *)&address.date, sizeof (address.date));
 			std::stringstream properties;
 			if (address.transportStyle == eTransportNTCP)
-				WriteString (address.IsNTCP2 () ? "NTCP2" : "NTCP", s);
+			{
+				if (address.IsNTCP2 ())
+					WriteString ("NTCP2", s);
+				else
+					continue; // don't write NTCP address
+			}	
 			else if (address.transportStyle == eTransportSSU)
 			{
 				WriteString ("SSU", s);
@@ -817,14 +822,6 @@ namespace data
 		return "";
 	}
 
-	bool RouterInfo::IsNTCP (bool v4only) const
-	{
-		if (v4only)
-			return m_SupportedTransports & eNTCPV4;
-		else
-			return m_SupportedTransports & (eNTCPV4 | eNTCPV6);
-	}
-
 	bool RouterInfo::IsSSU (bool v4only) const
 	{
 		if (v4only)
@@ -907,15 +904,6 @@ namespace data
 		return m_Caps & Caps::eUnreachable; // non-reachable
 	}
 
-	std::shared_ptr<const RouterInfo::Address> RouterInfo::GetNTCPAddress (bool v4only) const
-	{
-		return GetAddress (
-			[v4only](std::shared_ptr<const RouterInfo::Address> address)->bool
-			{
-				return (address->transportStyle == eTransportNTCP) && !address->IsNTCP2Only () && (!v4only || address->host.is_v4 ());
-			});
-	}
-
 	std::shared_ptr<const RouterInfo::Address> RouterInfo::GetSSUAddress (bool v4only) const
 	{
 		return GetAddress (

libi2pd/RouterInfo.h

@@ -153,7 +153,6 @@ namespace data
 			uint64_t GetTimestamp () const { return m_Timestamp; };
 			int GetVersion () const { return m_Version; };
 			Addresses& GetAddresses () { return *m_Addresses; }; // should be called for local RI only, otherwise must return shared_ptr
-			std::shared_ptr<const Address> GetNTCPAddress (bool v4only = true) const;
 			std::shared_ptr<const Address> GetNTCP2Address (bool publishedOnly,  bool v4only = true) const;
 			std::shared_ptr<const Address> GetSSUAddress (bool v4only = true) const;
 			std::shared_ptr<const Address> GetSSUV6Address () const;
@@ -169,7 +168,6 @@ namespace data
 			void ClearProperties () { m_Properties.clear (); };
 			bool IsFloodfill () const { return m_Caps & Caps::eFloodfill; };
 			bool IsReachable () const { return m_Caps & Caps::eReachable; };
-			bool IsNTCP (bool v4only = true) const;
 			bool IsSSU (bool v4only = true) const;
 			bool IsSSUV6 () const;
 			bool IsNTCP2 (bool v4only = true) const;

libi2pd/Transports.cpp

@@ -472,41 +472,7 @@ namespace transport
 					}
 				}
 			}
-			if (peer.numAttempts == 1) // NTCP1
-			{
-				peer.numAttempts++;
-				auto address = peer.router->GetNTCPAddress (!context.SupportsV6 ());
-				if (address && m_NTCPServer)
-				{
-					if (!peer.router->UsesIntroducer () && !peer.router->IsUnreachable ())
-					{
-						if(!m_NTCPServer->ShouldLimit())
-						{
-							auto s = std::make_shared<NTCPSession> (*m_NTCPServer, peer.router);
-							if(m_NTCPServer->UsingProxy())
-							{
-								NTCPServer::RemoteAddressType remote = NTCPServer::eIP4Address;
-								std::string addr = address->host.to_string();
-
-								if(address->host.is_v6())
-									remote = NTCPServer::eIP6Address;
-
-								m_NTCPServer->ConnectWithProxy(addr, address->port, remote, s);
-							}
-							else
-								m_NTCPServer->Connect (address->host, address->port, s);
-							return true;
-						}
-						else
-						{
-							LogPrint(eLogWarning, "Transports: NTCP Limit hit falling back to SSU");
-						}
-					}
-				}
-				else
-					LogPrint (eLogDebug, "Transports: NTCP address is not present for ", i2p::data::GetIdentHashAbbreviation (ident), ", trying SSU");
-			}
-			if (peer.numAttempts == 2)// SSU
+			if (peer.numAttempts == 1)// SSU
 			{
 				peer.numAttempts++;
 				if (m_SSUServer && peer.router->IsSSU (!context.SupportsV6 ()))