pass address to NTCP2 session

libi2pd/NTCP2.cpp

@@ -317,7 +317,8 @@ namespace transport
 		return true;
 	}
 
-	NTCP2Session::NTCP2Session (NTCP2Server& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter):
+	NTCP2Session::NTCP2Session (NTCP2Server& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter,
+	    	std::shared_ptr<const i2p::data::RouterInfo::Address> addr):
 		TransportSession (in_RemoteRouter, NTCP2_ESTABLISH_TIMEOUT),
 		m_Server (server), m_Socket (m_Server.GetService ()),
 		m_IsEstablished (false), m_IsTerminated (false),
@@ -332,7 +333,8 @@ namespace transport
 		if (in_RemoteRouter) // Alice
 		{
 			m_Establisher->m_RemoteIdentHash = GetRemoteIdentity ()->GetIdentHash ();
-			auto addr = in_RemoteRouter->GetNTCP2Address (true); // we need a published address
+			if (!addr)
+				addr = in_RemoteRouter->GetNTCP2Address (true); // we need a published address
 			if (addr)
 			{
 				memcpy (m_Establisher->m_RemoteStaticKey, addr->ntcp2->staticKey, 32);
@@ -653,7 +655,7 @@ namespace transport
 						SendTerminationAndTerminate (eNTCP2Message3Error);
 						return;
 					}
-					auto addr = ri.GetNTCP2Address (false); // any NTCP2 address
+					auto addr = ri.GetNTCP2Address (false, false); // any NTCP2 address including v6
 					if (!addr)
 					{
 						LogPrint (eLogError, "NTCP2: No NTCP2 address found in SessionConfirmed");

libi2pd/NTCP2.h

@@ -123,7 +123,8 @@ namespace transport
 	{
 		public:
 
-			NTCP2Session (NTCP2Server& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter = nullptr);
+			NTCP2Session (NTCP2Server& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter = nullptr,
+				std::shared_ptr<const i2p::data::RouterInfo::Address> addr = nullptr);
 			~NTCP2Session ();
 			void Terminate ();
 			void TerminateByTimeout ();

libi2pd/Transports.cpp

@@ -398,7 +398,7 @@ namespace transport
 					auto address = peer.router->GetNTCP2Address (true, !context.SupportsV6 ()); // published only
 					if (address && !peer.router->IsUnreachable () && (!m_CheckReserved || !i2p::util::net::IsInReservedRange(address->host)))
 					{
-						auto s = std::make_shared<NTCP2Session> (*m_NTCP2Server, peer.router);
+						auto s = std::make_shared<NTCP2Session> (*m_NTCP2Server, peer.router, address);
 
 						if(m_NTCP2Server->UsingProxy())
 						{