From 5f60a6b3334d556aabc60f017f99f3e305862e9d Mon Sep 17 00:00:00 2001
From: Logan oos Even <46396513+Logan007@users.noreply.github.com>
Date: Sun, 20 Mar 2022 12:48:40 +0100
Subject: [PATCH] made supernode ignore own registration attempts to allow
 unified configuration (command line-provided supernodes) of federated
 supernodes (#970)

---
 src/sn_utils.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sn_utils.c b/src/sn_utils.c
index 4323ba4..f325c26 100644
--- a/src/sn_utils.c
+++ b/src/sn_utils.c
@@ -1938,6 +1938,11 @@ static int process_udp (n2n_sn_t * sss,
                }
             }
 
+            if(!memcmp(reg.edgeMac, sss->mac_addr, sizeof(n2n_mac_t))) {
+                traceEvent(TRACE_DEBUG, "Rx REGISTER_SUPER from self, ignoring");
+                return -1;
+            }
+
             cmn2.ttl = N2N_DEFAULT_TTL;
             cmn2.pc = n2n_register_super_ack;
             cmn2.flags = N2N_FLAGS_SOCKET | N2N_FLAGS_FROM_SUPERNODE;