drop unsolicited database serach replies

libi2pd/NetDb.cpp

@@ -991,15 +991,18 @@ namespace data
 		auto dest = m_Requests.FindRequest (ident);
 		if (dest)
 		{
-			if (num > 0 || dest->GetNumExcludedPeers () < 3) // before 3-rd attempt might be just bad luck
+			if (!dest->IsExploratory () && (num > 0 || dest->GetNumExcludedPeers () < 3)) // before 3-rd attempt might be just bad luck
 				// try to send next requests
 				m_Requests.SendNextRequest (dest);
 			else
 				// no more requests for destination possible. delete it
 				m_Requests.RequestComplete (ident, nullptr);
 		}
-		else if(!m_FloodfillBootstrap)
-			LogPrint (eLogWarning, "NetDb: Requested destination for ", key, " not found");
+		else if (!m_FloodfillBootstrap)
+		{	
+			LogPrint (eLogWarning, "NetDb: Unsolicited database search reply for ", key);
+			return;
+		}	
 
 		// try responses
 		for (int i = 0; i < num; i++)

libi2pd/Tunnel.cpp

@@ -592,17 +592,6 @@ namespace tunnel
 		auto typeID = msg->GetTypeID ();
 		LogPrint (eLogDebug, "Tunnel: Gateway of ", (int) len, " bytes for tunnel ", tunnel->GetTunnelID (), ", msg type ", (int)typeID);
 
-		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);
-			if (bufbe32toh (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET))
-				memset (m->GetPayload () + DATABASE_STORE_REPLY_TOKEN_OFFSET, 0xFF, 4); // fake replyToken meaning no reply
-			i2p::data::netdb.PostI2NPMsg (m);
-		}
 		tunnel->SendTunnelDataMsg (msg);
 	}