Fix panic when router version info isn't set by ensuring it is set an…

…d making sure we get the right version. Fixes #1423

controller/handler_ctrl/accept.go

@@ -19,9 +19,9 @@ package handler_ctrl
 import (
 	"github.com/michaelquigley/pfxlog"
 	"github.com/openziti/channel/v2"
+	"github.com/openziti/ziti/common/pb/ctrl_pb"
 	"github.com/openziti/ziti/controller/network"
 	"github.com/openziti/ziti/controller/xctrl"
-	"github.com/openziti/ziti/common/pb/ctrl_pb"
 	"github.com/pkg/errors"
 	"google.golang.org/protobuf/proto"
 	"time"
@@ -101,7 +101,7 @@ func (self *CtrlAccepter) Bind(binding channel.Binding) error {
 				r.SetMetadata(routerMetadata)
 			}
 		} else {
-			log.Warn("no attributes provided")
+			return errors.New("no version info header, closing router connection")
 		}
 
 		r.Control = ch

controller/handler_edge_ctrl/hello.go

@@ -48,9 +48,9 @@ func (h *helloHandler) HandleReceive(msg *channel.Message, ch channel.Channel) {
 		return
 	}
 
-	r, err := h.appEnv.GetHostController().GetNetwork().GetRouter(ch.Id())
-	if err != nil {
-		pfxlog.Logger().WithError(err).Errorf("could not find router %v, closing channel", ch.Id())
+	r := h.appEnv.GetHostController().GetNetwork().GetConnectedRouter(ch.Id())
+	if r == nil {
+		pfxlog.Logger().Errorf("could not find router %v, closing channel", ch.Id())
 		_ = ch.Close()
 		return
 	}