lib/config, lib/model: Warn about two-way introducer (fixes #8393) (#8395)

2022-06-20 18:36:45 +01:00
parent e071f16531
commit 3a6ebb8482
2 changed files with 15 additions and 0 deletions
@@ -1198,6 +1198,13 @@ func (m *model) ClusterConfig(deviceID protocol.DeviceID, cm protocol.ClusterCon
 		ccDeviceInfos[folder.ID] = info
 	}

+	for _, info := range ccDeviceInfos {
+		if deviceCfg.Introducer && info.local.Introducer {
+			l.Warnf("Remote %v is an introducer to us, and we are to them - only one should be introducer to the other, see https://docs.syncthing.net/users/introducer.html", deviceCfg.Description())
+		}
+		break
+	}
+
 	// Needs to happen outside of the fmut, as can cause CommitConfiguration
 	if deviceCfg.AutoAcceptFolders {
 		w, _ := m.cfg.Modify(func(cfg *config.Configuration) {