From dbef3fe9d2158dca3df26a26b160c5dbe8874ec2 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Sun, 10 Nov 2024 20:15:50 -0500
Subject: [PATCH] temirminate incoming right a way if no remote LeaseSet

---
 libi2pd/Streaming.cpp | 10 ++++++++--
 libi2pd/Streaming.h   |  1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/libi2pd/Streaming.cpp b/libi2pd/Streaming.cpp
index 0e829004..3c8a4c47 100644
--- a/libi2pd/Streaming.cpp
+++ b/libi2pd/Streaming.cpp
@@ -1713,7 +1713,12 @@ namespace stream
 				}	
 				auto incomingStream = CreateNewIncomingStream (receiveStreamID);
 				incomingStream->HandleNextPacket (packet); // SYN
-				auto ident = incomingStream->GetRemoteIdentity();
+				if (!incomingStream->GetRemoteLeaseSet ())
+				{
+					LogPrint (eLogWarning, "Streaming: No remote LeaseSet for incoming stream. Terminated");
+					incomingStream->Terminate (); // can't send FIN anyway
+					return;
+				}	
 
 				// handle saved packets if any
 				{
@@ -1815,7 +1820,8 @@ namespace stream
 		{
 			std::unique_lock<std::mutex> l(m_StreamsMutex);
 			m_Streams.erase (stream->GetRecvStreamID ());
-			m_IncomingStreams.erase (stream->GetSendStreamID ());
+			if (stream->IsIncoming ())
+				m_IncomingStreams.erase (stream->GetSendStreamID ());
 			if (m_LastStream == stream) m_LastStream = nullptr;
 		}
 		auto ts = i2p::util::GetSecondsSinceEpoch ();
diff --git a/libi2pd/Streaming.h b/libi2pd/Streaming.h
index c6a88498..867634a5 100644
--- a/libi2pd/Streaming.h
+++ b/libi2pd/Streaming.h
@@ -187,6 +187,7 @@ namespace stream
 			std::shared_ptr<const i2p::data::IdentityEx> GetRemoteIdentity () const { return m_RemoteIdentity; };
 			bool IsOpen () const { return m_Status == eStreamStatusOpen; };
 			bool IsEstablished () const { return m_SendStreamID; };
+			bool IsIncoming () const { return m_IsIncoming; };
 			StreamStatus GetStatus () const { return m_Status; };
 			StreamingDestination& GetLocalDestination () { return m_LocalDestination; };
 			void ResetRoutingPath ();