From aeb33aba9c2c231cfe1f833af7f28756a88c829d Mon Sep 17 00:00:00 2001
From: rpm-build <rpm-build>
Date: Dec 09 2020 13:39:51 +0000
Subject: 0005-igmp-trusted-query.patch


patch_name: 0005-igmp-trusted-query.patch
present_in_specfile: true
location_in_specfile: 6

---

diff --git a/pimd/pim_igmp.c b/pimd/pim_igmp.c
index 7a19d25..9dd9ac6 100644
--- a/pimd/pim_igmp.c
+++ b/pimd/pim_igmp.c
@@ -305,6 +305,13 @@ static int igmp_recv_query(struct igmp_sock *igmp, int query_version,
 		return -1;
 	}
 
+	if (!pim_if_connected_to_source(ifp, from)) {
+		if (PIM_DEBUG_IGMP_PACKETS)
+			zlog_debug("Recv IGMP query on interface: %s from a non-connected source: %s",
+				   ifp->name, from_str);
+		return 0;
+	}
+
 	/* Collecting IGMP Rx stats */
 	switch (query_version) {
 	case 1: