From 7f1d86b338ff4fd700ab3ec4a62fd1eb96be19c8 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Tue, 26 Feb 2019 18:03:50 +0100
Subject: [PATCH] Fail gracefully on incorrect human input. Fixes #739 (#740)

---
 gateway/gateway.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gateway/gateway.go b/gateway/gateway.go
index cb7d94c1..be45086b 100644
--- a/gateway/gateway.go
+++ b/gateway/gateway.go
@@ -92,6 +92,9 @@ func (gw *Gateway) AddBridge(cfg *config.Bridge) error {
 			Bridge: br,
 		}
 		// add the actual bridger for this protocol to this bridge using the bridgeMap
+		if _, ok := gw.Router.BridgeMap[br.Protocol]; !ok {
+			gw.logger.Fatalf("Incorrect protocol %s specified in gateway configuration %s, exiting.", br.Protocol, cfg.Account)
+		}
 		br.Bridger = gw.Router.BridgeMap[br.Protocol](brconfig)
 	}
 	gw.mapChannelsToBridge(br)