Fix crosslink crash on joining channels where TX is active

frn/protocol/client.py

@@ -19,10 +19,15 @@ class FRNClient(BufferingLineReceiver, TimeoutMixin):
     def connectionMade(self):
         BufferingLineReceiver.connectionMade(self)
         self.user.VX = versions.client
+        self.serverdata = {}
         self.txq = Queue()
         self.setTimeout(25.0)
         self.login()
 
+    def connectionLost(self, reason):
+        self.serverdata = {}
+        BufferingLineReceiver.connectionLost(self, reason)
+
     def ready(self):
         self.status = 'READY'
         self.msgbuffer = []

twisted/plugins/frncrosslink.py

@@ -78,6 +78,8 @@ class FRNCrosslinkClient(FRNClient):
             for _, _, _, factory in clients:
                 conn = factory.connection
                 if conn != self:
+                    role = conn.serverdata.get('al', None)
+                    if  role in ['OK', 'ADMIN', 'OWNER']:
                         if conn.txOk:
                             conn.txReq = False
                             conn.sendAudioFrame(frames)