diff options
Diffstat (limited to 'src/leap/eip/checks.py')
| -rw-r--r-- | src/leap/eip/checks.py | 131 |
1 files changed, 78 insertions, 53 deletions
diff --git a/src/leap/eip/checks.py b/src/leap/eip/checks.py index 412be27b..24e97335 100644 --- a/src/leap/eip/checks.py +++ b/src/leap/eip/checks.py @@ -20,8 +20,6 @@ logger = logging.getLogger(name=__name__) """ EIPConfigChecker ---------- -this is the first of 3 consecutive checks that we're implementing. - It is used from the eip conductor (a instance of EIPConnection that is managed from the QtApp), running `run_all` method before trying to call `connect` or any other of the state-changing methods. @@ -32,13 +30,87 @@ into base.tests to be invoked by the base leap init routines. However, I'm testing them alltogether for the sake of having the whole unit reachable and testable as a whole. -Other related checkers - not implemented yet -: -* LeapNetworkChecker +LeapNetworkChecker +------------------ +Network checks. To be moved to base. +docs TBD + +ProviderCertChecker +------------------- +Checks on certificates. +docs TBD """ class LeapNetworkChecker(object): - pass + """ + all network related checks + """ + # XXX to be moved to leap.base.checks + # TODO eventually, use a more portable solution + # like psutil + + def run_all(self, checker=None): + if not checker: + checker = self + self.error = None # ? + + # for MVS + checker.test_internet_connection() + checker.is_internet_up() + checker.ping_gateway() + + def test_internet_connection(self): + # XXX we're not passing the error anywhere. + # XXX we probably should raise an exception here? + # unless we use this as smoke test + try: + requests.get('http://216.172.161.165') + except (requests.HTTPError, requests.RequestException) as e: + self.error = e.message + except requests.ConenctionError as e: + if e.message == "[Errno 113] No route to host": + if not self.is_internet_up(): + self.error = "No valid internet connection found." + else: + self.error = "Provider server appears to be down." + + def is_internet_up(self): + iface, gateway = self.get_default_interface_gateway() + self.ping_gateway(self) + + def get_default_interface_gateway(self): + """only impletemented for linux so far.""" + if not platform.system() == "Linux": + raise NotImplementedError + + with open("/proc/net/route") as f: + route_table = f.readlines() + #toss out header + route_table.pop(0) + + default_iface = None + gateway = None + while route_table: + line = route_table.pop(0) + iface, destination, gateway = line.split('\t')[0:3] + if destination == '00000000': + default_iface = iface + break + + if not default_iface: + raise eipexceptions.NoDefaultInterfaceFoundError + + if default_iface not in netifaces.interfaces(): + raise eipexceptions.InterfaceNotFoundError + + return default_iface, gateway + + def ping_gateway(self, gateway): + #TODO: Discuss how much packet loss (%) is acceptable. + packet_loss = ping.quiet_ping(gateway)[0] + if packet_loss > baseconstants.MAX_ICMP_PACKET_LOSS: + raise eipexceptions.NoConnectionToGateway class ProviderCertChecker(object): @@ -153,6 +225,7 @@ class ProviderCertChecker(object): # XXX TODO # waiting on #507. If we're not using PyOpenSSL or anything alike # we will have to roll our own x509 parsing to extract time info. + # XXX use gnutls def is_valid_pemfile(self, cert_s=None): """ @@ -322,54 +395,6 @@ class EIPConfigChecker(object): # We should WRITE eip config if missing or # incomplete at this point - def test_internet_connection(self): - try: - requests.get('http://216.172.161.165') - except (requests.HTTPError, requests.RequestException) as e: - self.error = e.message - except requests.ConenctionError as e: - if e.message == "[Errno 113] No route to host": - if not self.is_internet_up(): - self.error = "No valid internet connection found." - else: - self.error = "Provider server appears to be down." - - def is_internet_up(self): - iface, gateway = self.get_default_interface_gateway() - self.ping_gateway(self) - - def get_default_interface_gateway(self): - """only impletemented for linux so far.""" - if not platform.system() == "Linux": - raise NotImplementedError - - f = open("/proc/net/route") - route_table = f.readlines() - #toss out header - route_table.pop(0) - - default_iface = None - gateway = None - while route_table: - line = route_table.pop(0) - iface, destination, gateway = line.split('\t')[0:3] - if destination == '00000000': - default_iface = iface - break - - if not default_iface: - raise eipexceptions.NoDefaultInterfaceFoundError - - if default_iface not in netifaces.interfaces(): - raise eipexceptions.InterfaceNotFoundError - - return default_iface, gateway - - def ping_gateway(self, gateway): - #TODO: Discuss how much packet loss (%) is acceptable. - packet_loss = ping.quiet_ping(gateway)[0] - if packet_loss > 10: - raise eipexceptions.NoConnectionToGateway # # private helpers |