def generateFilters(self):
"""Build the list of callables, ``filters``, according to the current
contents of the lists of ``transports``, ``notBlockedIn``, and the
``ipVersion``.
"""
self.clearFilters()
pt = self.justOnePTType()
msg = ("Adding a filter to %s for %s for IPv%d" %
(self.__class__.__name__, self.client, self.ipVersion))
# If this bridge runs any active probing-resistant PTs, we should
# *only* hand out its active probing-resistant PTs. Otherwise, a
# non-resistant PT would get this bridge scanned and blocked:
# <https://bugs.torproject.org/28655>
self.addFilter(byProbingResistance(pt, self.ipVersion))
if self.notBlockedIn:
for country in self.notBlockedIn:
logging.info("%s %s bridges not blocked in %s..." %
(msg, pt or "vanilla", country))
self.addFilter(
byNotBlockedIn(country, pt or "vanilla", self.ipVersion))
elif pt:
logging.info("%s %s bridges..." % (msg, pt))
self.addFilter(byTransport(pt, self.ipVersion))
else:
logging.info("%s bridges..." % msg)
self.addFilter(byIPv(self.ipVersion))
def test_byTransport_with_transport_ipv6(self):
"""A bridge with an IPv6 voltron transport should cause
byTransport('voltron', ipVersion=6) to return True.
"""
self.addIPv6VoltronPT()
filtre = filters.byTransport('voltron', ipVersion=6)
self.assertTrue(filtre(self.bridge))
def test_byTransport_wrong_transport(self):
"""A bridge with only a Voltron transport should cause
byTransport('obfs3') to return False.
"""
self.addIPv4VoltronPT()
filtre = filters.byTransport('obfs3')
self.assertFalse(filtre(self.bridge))
def test_byTransport_wrong_transport(self):
"""A bridge with only a Voltron transport should cause
byTransport('obfs3') to return False.
"""
self.addIPv4VoltronPT()
filtre = filters.byTransport('obfs3')
self.assertFalse(filtre(self.bridge))
def test_byTransport_vanilla_ipv6(self):
"""byTranspfort(ipVersion=6) without namimg a transport to filter by
should just return the bridge's IPv4 address.
"""
self.bridge.orAddresses = [(ipaddr.IPv6Address('2006:3333::3333'), 3333, 6)]
filtre = filters.byTransport(ipVersion=6)
self.assertTrue(filtre(self.bridge))
def test_byTransport_with_transport_ipv6_filtering_by_ipv4(self):
"""A bridge with an IPv6 voltron transport should cause
byTransport('voltron') to return True.
"""
self.addIPv6VoltronPT()
filtre = filters.byTransport('voltron')
self.assertFalse(filtre(self.bridge))
def test_byTransport_with_transport_ipv6(self):
"""A bridge with an IPv6 voltron transport should cause
byTransport('voltron', ipVersion=6) to return True.
"""
self.addIPv6VoltronPT()
filtre = filters.byTransport('voltron', ipVersion=6)
self.assertTrue(filtre(self.bridge))
def test_byTransport_with_transport_ipv6_filtering_by_ipv4(self):
"""A bridge with an IPv6 voltron transport should cause
byTransport('voltron') to return True.
"""
self.addIPv6VoltronPT()
filtre = filters.byTransport('voltron')
self.assertFalse(filtre(self.bridge))
def test_byTransport_vanilla_ipv6(self):
"""byTranspfort(ipVersion=6) without namimg a transport to filter by
should just return the bridge's IPv4 address.
"""
self.bridge.orAddresses = [(ipaddr.IPv6Address('2006:3333::3333'),
3333, 6)]
filtre = filters.byTransport(ipVersion=6)
self.assertTrue(filtre(self.bridge))
def test_byFilters_bySubring_byTransport_wrong_subhashring_no_transport(self):
"""Filtering byTransport('voltron') and bySubring(HMAC, 2, 2) when the
Bridge has no transports and is assigned to sub-hashring 1-of-2
should return False.
"""
filtre = filters.byFilters([filters.bySubring(self.hmac, 2, 2),
filters.byTransport('voltron')])
self.assertFalse(filtre(self.bridge))
def test_byFilters_bySubring_byTransport_correct_subhashring_with_transport(self):
"""Filtering byTransport('voltron') and bySubring(HMAC, 1, 2) when the
Bridge has a voltron transport and is assigned to sub-hashring 1-of-2
should return True.
"""
self.addIPv4VoltronPT()
filtre = filters.byFilters([filters.bySubring(self.hmac, 1, 2),
filters.byTransport('voltron')])
self.assertTrue(filtre(self.bridge))
def test_byFilters_bySubring_byTransport_correct_subhashring_no_transport(
self):
"""Filtering byTransport('voltron') and bySubring(HMAC, 1, 2) when the
Bridge has no transports and is assigned to sub-hashring 1-of-2
should return False.
"""
filtre = filters.byFilters([
filters.bySubring(self.hmac, 1, 2),
filters.byTransport('voltron')
])
self.assertFalse(filtre(self.bridge))
def test_byFilters_bySubring_byTransport_wrong_subhashring_with_transport(
self):
"""Filtering byTransport('voltron') and bySubring(HMAC, 2, 2) when the
Bridge has a voltron transport and is assigned to sub-hashring 1-of-2
should return False.
"""
self.addIPv4VoltronPT()
filtre = filters.byFilters([
filters.bySubring(self.hmac, 2, 2),
filters.byTransport('voltron')
])
self.assertFalse(filtre(self.bridge))
def generateFilters(self):
"""Build the list of callables, ``filters``, according to the current
contents of the lists of ``transports``, ``notBlockedIn``, and the
``ipVersion``.
"""
self.clearFilters()
pt = self.justOnePTType()
msg = ("Adding a filter to %s for %s for IPv%d"
% (self.__class__.__name__, self.client, self.ipVersion))
if self.notBlockedIn:
for country in self.notBlockedIn:
logging.info("%s %s bridges not blocked in %s..." %
(msg, pt or "vanilla", country))
self.addFilter(byNotBlockedIn(country, pt, self.ipVersion))
elif pt:
logging.info("%s %s bridges..." % (msg, pt))
self.addFilter(byTransport(pt, self.ipVersion))
else:
logging.info("%s bridges..." % msg)
self.addFilter(byIPv(self.ipVersion))
def test_byTransport_no_transports(self):
"""A bridge without any transports should cause
byTransport('voltron') to return False.
"""
filtre = filters.byTransport('voltron')
self.assertFalse(filtre(self.bridge))
def test_byTransport_vanilla_ipv4(self):
"""byTransport() without namimg a transport to filter by should just
return the bridge's IPv4 address.
"""
filtre = filters.byTransport()
self.assertTrue(filtre(self.bridge))
def test_byTransport_vanilla_ipv4(self):
"""byTransport() without namimg a transport to filter by should just
return the bridge's IPv4 address.
"""
filtre = filters.byTransport()
self.assertTrue(filtre(self.bridge))
def test_byTransport_no_transports(self):
"""A bridge without any transports should cause
byTransport('voltron') to return False.
"""
filtre = filters.byTransport('voltron')
self.assertFalse(filtre(self.bridge))
