From: Fabian Grünbichler <f.gruenbichler@proxmox.com>
Date: Tue, 2 Jul 2019 08:24:45 +0000 (+0200)
Subject: corosync: fix multicast detection
X-Git-Url: https://git.proxmox.com/?p=pve-firewall.git;a=commitdiff_plain;h=81a0a9ffb7acc40a1e39e8253adaad3622010159

corosync: fix multicast detection

for Corosync 3.x, multicast is only needed if the transport is explicitly set to 'udp'

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index d300dc9..ef724a7 100644
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -2418,7 +2418,8 @@ sub enable_host_firewall {
 	});
 
 	# allow multicast only if enabled in config
-	$multicast_enabled = $corosync_conf->{main}->{totem}->{transport} // 0;
+	my $corosync_transport = $corosync_conf->{main}->{totem}->{transport};
+	$multicast_enabled = defined($corosync_transport) && $corosync_transport eq 'udp';
     }
 
     # host inbound firewall