diff options
Diffstat (limited to 'src/leap/base/checks.py')
| -rw-r--r-- | src/leap/base/checks.py | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/leap/base/checks.py b/src/leap/base/checks.py index c5438b09..a775e162 100644 --- a/src/leap/base/checks.py +++ b/src/leap/base/checks.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- +import logging import platform import ping @@ -8,6 +9,7 @@ import requests from leap.base import constants from leap.base import exceptions +logger = logging.getLogger(name=__name__) class LeapNetworkChecker(object): """ @@ -22,6 +24,7 @@ class LeapNetworkChecker(object): self.error = None # ? # for MVS + checker.check_tunnel_default_interface() checker.check_internet_connection() checker.is_internet_up() checker.ping_gateway() @@ -40,11 +43,35 @@ class LeapNetworkChecker(object): else: error = "Provider server appears to be down." raise exceptions.NoInternetConnection(error) + logger.debug('Network appears to be up.') def is_internet_up(self): iface, gateway = self.get_default_interface_gateway() self.ping_gateway(self) + def check_tunnel_default_interface(self): + """ + Raises an TunnelNotDefaultRouteError + (including when no routes are present) + """ + if not platform.system() == "Linux": + raise NotImplementedError + + f = open("/proc/net/route") + route_table = f.readlines() + f.close() + #toss out header + route_table.pop(0) + + if not route_table: + raise exceptions.TunnelNotDefaultRouteError() + + line = route_table.pop(0) + iface, destination = line.split('\t')[0:2] + if not destination == '00000000' or not iface == 'tun0': + raise exceptions.TunnelNotDefaultRouteError() + + def get_default_interface_gateway(self): """only impletemented for linux so far.""" if not platform.system() == "Linux": |