Merge branch 'master' of ssh://leap.se/leap_client

1 files changed, 0 insertions, 213 deletions

diff --git a/src/leap/base/checks.py b/src/leap/base/checks.py
deleted file mode 100644
index 0bf44f59..00000000
--- a/src/leap/base/checks.py
+++ /dev/null
@@ -1,213 +0,0 @@
-# -*- coding: utf-8 -*-
-import logging
-import platform
-import re
-import socket
-
-import netifaces
-import sh
-
-from leap.base import constants
-from leap.base import exceptions
-
-logger = logging.getLogger(name=__name__)
-_platform = platform.system()
-
-#EVENTS OF NOTE
-EVENT_CONNECT_REFUSED = "[ECONNREFUSED]: Connection refused (code=111)"
-
-ICMP_TARGET = "8.8.8.8"
-
-
-class LeapNetworkChecker(object):
-    """
-    all network related checks
-    """
-    def __init__(self, *args, **kwargs):
-        provider_gw = kwargs.pop('provider_gw', None)
-        self.provider_gateway = provider_gw
-
-    def run_all(self, checker=None):
-        if not checker:
-            checker = self
-        #self.error = None  # ?
-
-        # for MVS
-        checker.check_tunnel_default_interface()
-        checker.check_internet_connection()
-        checker.is_internet_up()
-
-        if self.provider_gateway:
-            checker.ping_gateway(self.provider_gateway)
-
-        checker.parse_log_and_react([], ())
-
-    def check_internet_connection(self):
-        if _platform == "Linux":
-            try:
-                output = sh.ping("-c", "5", "-w", "5", ICMP_TARGET)
-                # XXX should redirect this to netcheck logger.
-                # and don't clutter main log.
-                logger.debug('Network appears to be up.')
-            except sh.ErrorReturnCode_1 as e:
-                packet_loss = re.findall("\d+% packet loss", e.message)[0]
-                logger.debug("Unidentified Connection Error: " + packet_loss)
-                if not self.is_internet_up():
-                    error = "No valid internet connection found."
-                else:
-                    error = "Provider server appears to be down."
-
-                logger.error(error)
-                raise exceptions.NoInternetConnection(error)
-
-        else:
-            raise NotImplementedError
-
-    def is_internet_up(self):
-        iface, gateway = self.get_default_interface_gateway()
-        try:
-            self.ping_gateway(self.provider_gateway)
-        except exceptions.NoConnectionToGateway:
-            return False
-        return True
-
-    def _get_route_table_linux(self):
-        # do not use context manager, tests pass a StringIO
-        f = open("/proc/net/route")
-        route_table = f.readlines()
-        f.close()
-        #toss out header
-        route_table.pop(0)
-        if not route_table:
-            raise exceptions.NoDefaultInterfaceFoundError
-        return route_table
-
-    def _get_def_iface_osx(self):
-        default_iface = None
-        #gateway = None
-        routes = list(sh.route('-n', 'get', ICMP_TARGET, _iter=True))
-        iface = filter(lambda l: "interface" in l, routes)
-        if not iface:
-            return None, None
-        def_ifacel = re.findall('\w+\d', iface[0])
-        default_iface = def_ifacel[0] if def_ifacel else None
-        if not default_iface:
-            return None, None
-        _gw = filter(lambda l: "gateway" in l, routes)
-        gw = re.findall('\d+\.\d+\.\d+\.\d+', _gw[0])[0]
-        return default_iface, gw
-
-    def _get_tunnel_iface_linux(self):
-        # XXX review.
-        # valid also when local router has a default entry?
-        route_table = self._get_route_table_linux()
-        line = route_table.pop(0)
-        iface, destination = line.split('\t')[0:2]
-        if not destination == '00000000' or not iface == 'tun0':
-            raise exceptions.TunnelNotDefaultRouteError()
-        return True
-
-    def check_tunnel_default_interface(self):
-        """
-        Raises an TunnelNotDefaultRouteError
-        if tun0 is not the chosen default route
-        (including when no routes are present)
-        """
-        #logger.debug('checking tunnel default interface...')
-
-        if _platform == "Linux":
-            valid = self._get_tunnel_iface_linux()
-            return valid
-        elif _platform == "Darwin":
-            default_iface, gw = self._get_def_iface_osx()
-            #logger.debug('iface: %s', default_iface)
-            if default_iface != "tun0":
-                logger.debug('tunnel not default route! gw: %s', default_iface)
-                # XXX should catch this and act accordingly...
-                # but rather, this test should only be launched
-                # when we have successfully completed a connection
-                # ... TRIGGER: Connection stablished (or whatever it is)
-                # in the logs
-                raise exceptions.TunnelNotDefaultRouteError
-        else:
-            #logger.debug('PLATFORM !!! %s', _platform)
-            raise NotImplementedError
-
-    def _get_def_iface_linux(self):
-        default_iface = None
-        gateway = None
-
-        route_table = self._get_route_table_linux()
-        while route_table:
-            line = route_table.pop(0)
-            iface, destination, gateway = line.split('\t')[0:3]
-            if destination == '00000000':
-                default_iface = iface
-                break
-        return default_iface, gateway
-
-    def get_default_interface_gateway(self):
-        """
-        gets the interface we are going thru.
-        (this should be merged with check tunnel default interface,
-        imo...)
-        """
-        if _platform == "Linux":
-            default_iface, gw = self._get_def_iface_linux()
-        elif _platform == "Darwin":
-            default_iface, gw = self._get_def_iface_osx()
-        else:
-            raise NotImplementedError
-
-        if not default_iface:
-            raise exceptions.NoDefaultInterfaceFoundError
-
-        if default_iface not in netifaces.interfaces():
-            raise exceptions.InterfaceNotFoundError
-        logger.debug('-- default iface %s', default_iface)
-        return default_iface, gw
-
-    def ping_gateway(self, gateway):
-        # TODO: Discuss how much packet loss (%) is acceptable.
-
-        # XXX -- validate gateway
-        # -- is it a valid ip? (there's something in util)
-        # -- is it a domain?
-        # -- can we resolve? -- raise NoDNSError if not.
-
-        # XXX -- sh.ping implemtation needs review!
-        try:
-            output = sh.ping("-c", "10", gateway).stdout
-        except sh.ErrorReturnCode_1 as e:
-            output = e.message
-        finally:
-            packet_loss = int(re.findall("(\d+)% packet loss", output)[0])
-
-        logger.debug('packet loss %s%%' % packet_loss)
-        if packet_loss > constants.MAX_ICMP_PACKET_LOSS:
-            raise exceptions.NoConnectionToGateway
-
-    def check_name_resolution(self, domain_name):
-        try:
-            socket.gethostbyname(domain_name)
-            return True
-        except socket.gaierror:
-            raise exceptions.CannotResolveDomainError
-
-    def parse_log_and_react(self, log, error_matrix=None):
-        """
-        compares the recent openvpn status log to
-        strings passed in and executes the callbacks passed in.
-        @param log: openvpn log
-        @type log: list of strings
-        @param error_matrix: tuples of strings and tuples of callbacks
-        @type error_matrix: tuples strings and call backs
-        """
-        for line in log:
-            # we could compile a regex here to save some cycles up -- kali
-            for each in error_matrix:
-                error, callbacks = each
-                if error in line:
-                    for cb in callbacks:
-                        if callable(cb):
-                            cb()