From c34df2090cc2921736d0667bb635a53183844bbe Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Fri, 21 Apr 2023 21:31:14 -0400
Subject: [PATCH] don't reply to DatabaseStore messages extracted from transit

---
 libi2pd/Tunnel.cpp         | 12 +++++++++---
 libi2pd/TunnelEndpoint.cpp | 14 +++++++++++---
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/libi2pd/Tunnel.cpp b/libi2pd/Tunnel.cpp
index 05359390..76bdb4c7 100644
--- a/libi2pd/Tunnel.cpp
+++ b/libi2pd/Tunnel.cpp
@@ -586,10 +586,16 @@ namespace tunnel
 		auto typeID = msg->GetTypeID ();
 		LogPrint (eLogDebug, "Tunnel: Gateway of ", (int) len, " bytes for tunnel ", tunnel->GetTunnelID (), ", msg type ", (int)typeID);
 
-		if (IsRouterInfoMsg (msg) || typeID == eI2NPDatabaseSearchReply)
-			// transit DatabaseStore my contain new/updated RI
-			// or DatabaseSearchReply with new routers
+		if (typeID == eI2NPDatabaseSearchReply)
+			// DatabaseSearchReply with new routers
 			i2p::data::netdb.PostI2NPMsg (CopyI2NPMessage (msg));
+		else if (IsRouterInfoMsg (msg))
+		{	
+			// transit DatabaseStore might contain new/updated RI
+			auto m = CopyI2NPMessage (msg);
+			memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0, 4); // no reply
+			i2p::data::netdb.PostI2NPMsg (m);
+		}	
 		tunnel->SendTunnelDataMsg (msg);
 	}
 
diff --git a/libi2pd/TunnelEndpoint.cpp b/libi2pd/TunnelEndpoint.cpp
index 7d3b3cbe..f2d8a085 100644
--- a/libi2pd/TunnelEndpoint.cpp
+++ b/libi2pd/TunnelEndpoint.cpp
@@ -324,9 +324,17 @@ namespace tunnel
 		uint8_t typeID = msg.data->GetTypeID ();
 		LogPrint (eLogDebug, "TunnelMessage: Handle fragment of ", msg.data->GetLength (), " bytes, msg type ", (int)typeID);
 		// catch RI or reply with new list of routers
-		if ((IsRouterInfoMsg (msg.data) || typeID == eI2NPDatabaseSearchReply) &&
-			!m_IsInbound && msg.deliveryType != eDeliveryTypeLocal)
-			i2p::data::netdb.PostI2NPMsg (CopyI2NPMessage (msg.data));
+		if (!m_IsInbound && msg.deliveryType != eDeliveryTypeLocal)
+		{	
+			if (typeID == eI2NPDatabaseSearchReply)
+				i2p::data::netdb.PostI2NPMsg (CopyI2NPMessage (msg.data));
+			else if (IsRouterInfoMsg (msg.data))
+			{	
+				auto m = CopyI2NPMessage (msg.data);
+				memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0, 4); // no reply
+				i2p::data::netdb.PostI2NPMsg (m);
+			}	
+		}
 
 		switch (msg.deliveryType)
 		{