From c3c5c7ae6388127c982610c480596de061091be0 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Wed, 22 Jun 2022 16:56:54 -0400
Subject: [PATCH] forward correct RelayResponse from Charlie to Alice

---
 libi2pd/SSU2Session.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/libi2pd/SSU2Session.cpp b/libi2pd/SSU2Session.cpp
index e9fd32a2..cf776f0a 100644
--- a/libi2pd/SSU2Session.cpp
+++ b/libi2pd/SSU2Session.cpp
@@ -1394,8 +1394,16 @@ namespace transport
 		if (it != m_RelaySessions.end ())
 		{
 			if (it->second.first && it->second.first->IsEstablished ())
+			{	
 				// we are Bob, message from Charlie
-				it->second.first->SendData (buf, len); // forward to Alice as is
+				uint8_t payload[SSU2_MAX_PAYLOAD_SIZE];
+				payload[0] = eSSU2BlkRelayResponse;
+				htobe16buf (payload + 1, len);
+				memcpy (payload + 3, buf, len); // forward to Alice as is
+				size_t payloadSize = len + 3;
+				payloadSize += CreatePaddingBlock (payload + payloadSize, SSU2_MAX_PAYLOAD_SIZE - payloadSize);
+				it->second.first->SendData (payload, payloadSize); 
+			}	
 			else
 			{
 				// we are Alice, message from Bob