[bug] return allways a valid state from openvpn

Even if we don't recognize the state that openvpn is providing. Add
TCP_CONNECT state as well.

src/leap/bitmask/vpn/_state.py

@@ -20,6 +20,7 @@ VPN State.
 """
 
 import time
+from twisted.logger import Logger
 
 
 class State(object):
@@ -29,6 +30,8 @@ class State(object):
     OpenVPN Management documentation.
     """
 
+    log = Logger()
+
     CONNECTING = 'CONNECTING'
     WAIT = 'WAIT'
     AUTH = 'AUTH'
@@ -54,6 +57,7 @@ class State(object):
         'ADD_ROUTES': 'Adding routes to system',
         'CONNECTED': 'Initialization Sequence Completed',
         'RECONNECTING': 'A restart has occurred',
+        'TCP_CONNECT': 'Stablishing tcp connection',
         'EXITING': 'A graceful exit is in progress',
         'OFF': 'Disconnected',
         'FAILED': 'A failure has occurred',
@@ -68,6 +72,7 @@ class State(object):
         'ADD_ROUTES': STARTING,
         'CONNECTED': ON,
         'RECONNECTING': STARTING,
+        'TCP_CONNECT': STARTING,
         'EXITING': STOPPING,
         'OFF': OFF,
         'FAILED': OFF
@@ -79,11 +84,15 @@ class State(object):
 
     @classmethod
     def get_legend(cls, state):
-        return cls._legend.get(state)
+        return cls._legend.get(state, '')
 
     @classmethod
     def get_simple(cls, state):
-        return cls._simple.get(state)
+        simple = cls._simple.get(state)
+        if not simple:
+            cls.log.warn('Unkown openvpn state: %s' % state)
+            simple = cls.FAILED
+        return simple
 
     @property
     def simple(self):

src/leap/bitmask/vpn/process.py

@@ -250,19 +250,13 @@ class _VPNProcess(protocol.ProcessProtocol):
     def status(self):
         if self.failed:
             return {'status': 'failed', 'error': self.errmsg}
-        try:
-            state = self.getState()
-            if state:
-                _status = state.simple.lower()
-            status = {'status': _status, 'error': None}
-        except AttributeError:
-            raise
-            # BUG -- glitch due to proto.state transition?
-            # still needed?
-            # state = self.getState()
-            # if state:
-            #    _status = state.simple.lower()
-            # status = {'status': _status, 'error': None}
+
+        state = self.getState()
+        if state:
+            _status = state.simple.lower()
+        else:
+            _status = None
+        status = {'status': _status, 'error': None}
 
         if self.proto and self.proto.traffic:
             remote = self.proto.remote