From 34f1ba5bd96238d7f21be3ff598fffce462d8a93 Mon Sep 17 00:00:00 2001
From: orignal <i2porignal@yandex.ru>
Date: Wed, 2 Oct 2024 12:45:12 -0400
Subject: [PATCH] don't send invalid local address in RelayRequest

---
 libi2pd/SSU2Session.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libi2pd/SSU2Session.cpp b/libi2pd/SSU2Session.cpp
index d8171174..6ce3a5e1 100644
--- a/libi2pd/SSU2Session.cpp
+++ b/libi2pd/SSU2Session.cpp
@@ -170,7 +170,12 @@ namespace transport
 		if (!session || !relayTag) return false;
 		// find local address to introduce
 		auto localAddress = session->FindLocalAddress ();
-		if (!localAddress) return false;
+		if (!localAddress || localAddress->host.is_unspecified () || !localAddress->port) 
+		{	
+			// can't introduce invalid endpoint
+			LogPrint (eLogWarning, "SSU2: Can't find local address to introduce");
+			return false; 
+		}	
 		// create nonce
 		uint32_t nonce;
 		RAND_bytes ((uint8_t *)&nonce, 4);