From a42b77db84bf1488547a66147c8b5376520da784 Mon Sep 17 00:00:00 2001
From: Arceliar <Arceliar@users.noreply.github.com>
Date: Sun, 27 Jun 2021 03:33:29 -0500
Subject: [PATCH] attempt to convert old multicast listen regexps into new
 struct format

---
 cmd/yggdrasil/main.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/cmd/yggdrasil/main.go b/cmd/yggdrasil/main.go
index 79c243b..67a822e 100644
--- a/cmd/yggdrasil/main.go
+++ b/cmd/yggdrasil/main.go
@@ -96,6 +96,24 @@ func readConfig(log *log.Logger, useconf *bool, useconffile *string, normaliseco
 			}
 		}
 	}
+	if oldmc, ok := dat["MulticastInterfaces"]; ok {
+		fmt.Println("DEBUG:", oldmc)
+		if oldmcvals, ok := oldmc.([]interface{}); ok {
+			var newmc []config.MulticastInterfaceConfig
+			for _, oldmcval := range oldmcvals {
+				if str, ok := oldmcval.(string); ok {
+					newmc = append(newmc, config.MulticastInterfaceConfig{
+						Regex:    str,
+						Incoming: true,
+						Outgoing: true,
+					})
+				}
+			}
+			if newmc != nil {
+				dat["MulticastInterfaces"] = newmc
+			}
+		}
+	}
 	// Sanitise the config
 	confJson, err := json.Marshal(dat)
 	if err != nil {