class TorStatePy3Tests(unittest.TestCase):
def setUp(self):
self.protocol = TorControlProtocol()
self.state = TorState(self.protocol)
# avoid spew in trial logs; state prints this by default
self.state._attacher_error = lambda f: f
self.protocol.connectionMade = lambda: None
self.transport = proto_helpers.StringTransport()
self.protocol.makeConnection(self.transport)
def send(self, line):
self.protocol.dataReceived(line.strip() + b"\r\n")
def test_attacher_coroutine(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self, answer):
self.streams = []
self.answer = answer
async def attach_stream(self, stream, circuits):
self.streams.append(stream)
x = await defer.succeed(self.answer)
return x
self.state.circuits[1] = FakeCircuit(1)
self.state.circuits[1].state = 'BUILT'
attacher = MyAttacher(self.state.circuits[1])
self.state.set_attacher(attacher, FakeReactor(self))
# boilerplate to finish enough set-up in the protocol so it
# works
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(
b"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER"
)
self.send(b"650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], b'ATTACHSTREAM 1 1')
class TorStatePy3Tests(unittest.TestCase):
def setUp(self):
self.protocol = TorControlProtocol()
self.state = TorState(self.protocol)
# avoid spew in trial logs; state prints this by default
self.state._attacher_error = lambda f: f
self.protocol.connectionMade = lambda: None
self.transport = proto_helpers.StringTransport()
self.protocol.makeConnection(self.transport)
def send(self, line):
self.protocol.dataReceived(line.strip() + b"\r\n")
def test_attacher_coroutine(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self, answer):
self.streams = []
self.answer = answer
async def attach_stream(self, stream, circuits):
self.streams.append(stream)
x = await defer.succeed(self.answer)
return x
self.state.circuits[1] = FakeCircuit(1)
self.state.circuits[1].state = 'BUILT'
attacher = MyAttacher(self.state.circuits[1])
self.state.set_attacher(attacher, FakeReactor(self))
# boilerplate to finish enough set-up in the protocol so it
# works
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(b"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER")
self.send(b"650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], b'ATTACHSTREAM 1 1')
class StateTests(unittest.TestCase):
def setUp(self):
self.protocol = TorControlProtocol()
self.state = TorState(self.protocol)
self.protocol.connectionMade = lambda: None
self.transport = proto_helpers.StringTransport()
self.protocol.makeConnection(self.transport)
def test_close_stream_with_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self):
self.streams = []
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return None
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
self.state._stream_update("76 CLOSED 0 www.example.com:0 REASON=DONE")
def test_stream_update(self):
## we use a circuit ID of 0 so it doesn't try to look anything up but it's
## not really correct to have a SUCCEEDED w/o a valid circuit, I don't think
self.state._stream_update('1610 SUCCEEDED 0 74.125.224.243:80')
self.assertTrue(1610 in self.state.streams)
def test_single_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status('stream-status=123 SUCCEEDED 496 www.example.com:6667\r\nOK')
self.assertEqual(len(self.state.streams), 1)
def send(self, line):
self.protocol.dataReceived(line.strip() + "\r\n")
def test_bootstrap_callback(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
d = self.state.post_bootstrap
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250+circuit-status=")
self.send(".")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250-address-mappings/all=")
self.send("250 OK")
for ignored in self.state.event_map.items():
self.send("250 OK")
fakerouter = object()
self.state.routers['$0000000000000000000000000000000000000000'] = fakerouter
self.state.routers['$9999999999999999999999999999999999999999'] = fakerouter
self.send("250+entry-guards=")
self.send("$0000000000000000000000000000000000000000=name up")
self.send("$1111111111111111111111111111111111111111=foo up")
self.send("$9999999999999999999999999999999999999999=eman unusable 2012-01-01 22:00:00")
self.send(".")
self.send("250 OK")
## implicitly created Router object for the $1111...11 lookup
## but 0.0.0.0 will have to country, so Router will ask Tor
## for one via GETINFO ip-to-country
self.send("250-ip-to-country/0.0.0.0=??")
self.send("250 OK")
self.assertEqual(len(self.state.entry_guards), 2)
self.assertTrue('$0000000000000000000000000000000000000000' in self.state.entry_guards)
self.assertEqual(self.state.entry_guards['$0000000000000000000000000000000000000000'], fakerouter)
self.assertTrue('$1111111111111111111111111111111111111111' in self.state.entry_guards)
self.assertEqual(len(self.state.unusable_entry_guards), 1)
self.assertTrue('$9999999999999999999999999999999999999999' in self.state.unusable_entry_guards[0])
return d
def test_bootstrap_existing_addresses(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250+circuit-status=")
self.send(".")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250+address-mappings/all=")
self.send('www.example.com 127.0.0.1 "2012-01-01 00:00:00"')
self.send('subdomain.example.com 10.0.0.0 "2012-01-01 00:01:02"')
self.send('.')
self.send('250 OK')
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("250-entry-guards=")
self.send("250 OK")
self.send("250 OK")
self.assertEqual(len(self.state.addrmap.addr), 2)
self.assertTrue('www.example.com' in self.state.addrmap.addr)
self.assertTrue('subdomain.example.com' in self.state.addrmap.addr)
return d
def test_bootstrap_single_existing_circuit(self):
'''
test with exactly one circuit. should probably test with 2 as
well, since there was a bug with the handling of just one.
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250-circuit-status=123 BUILT PURPOSE=GENERAL")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250+address-mappings/all=")
self.send('.')
self.send('250 OK')
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("250-entry-guards=")
self.send("250 OK")
self.send("250 OK")
self.assertTrue(self.state.find_circuit(123))
self.assertEquals(len(self.state.circuits), 1)
return d
def test_unset_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def attach_stream(self, stream, circuits):
return None
fr = FakeReactor(self)
self.state.set_attacher(MyAttacher(), fr)
self.send("250 OK")
self.state.set_attacher(None, fr)
self.send("250 OK")
self.assertEqual(self.transport.value(), 'SETCONF __LeaveStreamsUnattached=1\r\nSETCONF __LeaveStreamsUnattached=0\r\n')
def test_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self):
self.streams = []
self.answer = None
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return self.answer
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER")
self.send("650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], 'ATTACHSTREAM 1 0')
# we should totally ignore .exit URIs
attacher.streams = []
self.send("650 STREAM 2 NEW 0 10.0.0.0.$E11D2B2269CC25E67CA6C9FB5843497539A74FD0.exit:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME")
self.assertEqual(len(attacher.streams), 0)
self.assertEqual(len(self.protocol.commands), 1)
# we should NOT ignore .onion URIs
attacher.streams = []
self.send("650 STREAM 3 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(len(self.protocol.commands), 2)
self.assertEqual(self.protocol.commands[1][1], 'ATTACHSTREAM 3 0')
# normal attach
circ = FakeCircuit(1)
circ.state = 'BUILT'
self.state.circuits[1] = circ
attacher.answer = circ
self.send("650 STREAM 4 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME")
self.assertEqual(len(attacher.streams), 2)
self.assertEqual(len(self.protocol.commands), 3)
self.assertEqual(self.protocol.commands[2][1], 'ATTACHSTREAM 4 1')
def test_attacher_defer(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return defer.succeed(self.answer)
self.state.circuits[1] = FakeCircuit(1)
attacher = MyAttacher(self.state.circuits[1])
self.state.set_attacher(attacher, FakeReactor(self))
## boilerplate to finish enough set-up in the protocol so it
## works
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER")
self.send("650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], 'ATTACHSTREAM 1 1')
def test_attacher_errors(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
return self.answer
self.state.circuits[1] = FakeCircuit(1)
attacher = MyAttacher(FakeCircuit(2))
self.state.set_attacher(attacher, FakeReactor(self))
stream = Stream(self.state)
stream.id = 3
msg = ''
try:
self.state._maybe_attach(stream)
except Exception, e:
msg = str(e)
self.assertTrue('circuit unknown' in msg)
attacher.answer = self.state.circuits[1]
msg = ''
try:
self.state._maybe_attach(stream)
except Exception, e:
msg = str(e)
class StateTests(unittest.TestCase):
def setUp(self):
self.protocol = TorControlProtocol()
self.state = TorState(self.protocol)
# avoid spew in trial logs; state prints this by default
self.state._attacher_error = lambda f: f
self.protocol.connectionMade = lambda: None
self.transport = proto_helpers.StringTransport()
self.protocol.makeConnection(self.transport)
def test_close_stream_with_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self):
self.streams = []
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return None
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
self.state._stream_update("76 CLOSED 0 www.example.com:0 REASON=DONE")
def test_attacher_error_handler(self):
# make sure error-handling "does something" that isn't blowing up
with patch('sys.stdout') as fake_stdout:
TorState(self.protocol)._attacher_error(Failure(RuntimeError("quote")))
def test_stream_update(self):
# we use a circuit ID of 0 so it doesn't try to look anything
# up but it's not really correct to have a SUCCEEDED w/o a
# valid circuit, I don't think
self.state._stream_update('1610 SUCCEEDED 0 74.125.224.243:80')
self.assertTrue(1610 in self.state.streams)
def test_single_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status(
'stream-status=123 SUCCEEDED 496 www.example.com:6667'
)
self.assertEqual(len(self.state.streams), 1)
def test_multiple_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status(
'\r\n'.join([
'stream-status=',
'123 SUCCEEDED 496 www.example.com:6667',
'124 SUCCEEDED 496 www.example.com:6667',
])
)
self.assertEqual(len(self.state.streams), 2)
def send(self, line):
self.protocol.dataReceived(line.strip() + "\r\n")
@defer.inlineCallbacks
def test_bootstrap_callback(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
from test_torconfig import FakeControlProtocol
protocol = FakeControlProtocol(
[
"ns/all=", # ns/all
"", # circuit-status
"", # stream-status
"", # address-mappings/all
"entry-guards=\r\n$0000000000000000000000000000000000000000=name up\r\n$1111111111111111111111111111111111111111=foo up\r\n$9999999999999999999999999999999999999999=eman unusable 2012-01-01 22:00:00\r\n", # entry-guards
"99999", # process/pid
"??", # ip-to-country/0.0.0.0
]
)
state = yield TorState.from_protocol(protocol)
self.assertEqual(len(state.entry_guards), 2)
self.assertTrue('$0000000000000000000000000000000000000000' in state.entry_guards)
self.assertTrue('$1111111111111111111111111111111111111111' in state.entry_guards)
self.assertEqual(len(state.unusable_entry_guards), 1)
self.assertTrue('$9999999999999999999999999999999999999999' in state.unusable_entry_guards[0])
def test_bootstrap_existing_addresses(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250+circuit-status=")
self.send(".")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250+address-mappings/all=")
self.send('www.example.com 127.0.0.1 "2012-01-01 00:00:00"')
self.send('subdomain.example.com 10.0.0.0 "2012-01-01 00:01:02"')
self.send('.')
self.send('250 OK')
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("250-entry-guards=")
self.send("250 OK")
self.send("250 OK")
self.assertEqual(len(self.state.addrmap.addr), 4)
self.assertTrue('www.example.com' in self.state.addrmap.addr)
self.assertTrue('subdomain.example.com' in self.state.addrmap.addr)
self.assertTrue('10.0.0.0' in self.state.addrmap.addr)
self.assertTrue('127.0.0.1' in self.state.addrmap.addr)
self.assertEqual('127.0.0.1', self.state.addrmap.find('www.example.com').ip)
self.assertEqual('www.example.com', self.state.addrmap.find('127.0.0.1').name)
self.assertEqual('10.0.0.0', self.state.addrmap.find('subdomain.example.com').ip)
self.assertEqual('subdomain.example.com', self.state.addrmap.find('10.0.0.0').name)
return d
def test_bootstrap_single_existing_circuit(self):
'''
test with exactly one circuit. should probably test with 2 as
well, since there was a bug with the handling of just one.
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250-circuit-status=123 BUILT PURPOSE=GENERAL")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250+address-mappings/all=")
self.send('.')
self.send('250 OK')
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("250-entry-guards=")
self.send("250 OK")
self.send("250 OK")
self.assertTrue(self.state.find_circuit(123))
self.assertEquals(len(self.state.circuits), 1)
return d
def test_unset_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def attach_stream(self, stream, circuits):
return None
fr = FakeReactor(self)
self.state.set_attacher(MyAttacher(), fr)
self.send("250 OK")
self.state.set_attacher(None, fr)
self.send("250 OK")
self.assertEqual(
self.transport.value(),
'SETCONF __LeaveStreamsUnattached=1\r\nSETCONF'
' __LeaveStreamsUnattached=0\r\n'
)
def test_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self):
self.streams = []
self.answer = None
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return self.answer
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER")
self.send("650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], 'ATTACHSTREAM 1 0')
# we should totally ignore .exit URIs
attacher.streams = []
self.send("650 STREAM 2 NEW 0 10.0.0.0.$E11D2B2269CC25E67CA6C9FB5843497539A74FD0.exit:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME")
self.assertEqual(len(attacher.streams), 0)
self.assertEqual(len(self.protocol.commands), 1)
# we should NOT ignore .onion URIs
attacher.streams = []
self.send("650 STREAM 3 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(len(self.protocol.commands), 2)
self.assertEqual(self.protocol.commands[1][1], 'ATTACHSTREAM 3 0')
# normal attach
circ = FakeCircuit(1)
circ.state = 'BUILT'
self.state.circuits[1] = circ
attacher.answer = circ
self.send("650 STREAM 4 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME")
self.assertEqual(len(attacher.streams), 2)
self.assertEqual(len(self.protocol.commands), 3)
self.assertEqual(self.protocol.commands[2][1], 'ATTACHSTREAM 4 1')
def test_attacher_defer(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return defer.succeed(self.answer)
self.state.circuits[1] = FakeCircuit(1)
self.state.circuits[1].state = 'BUILT'
attacher = MyAttacher(self.state.circuits[1])
self.state.set_attacher(attacher, FakeReactor(self))
# boilerplate to finish enough set-up in the protocol so it
# works
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER")
self.send("650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], 'ATTACHSTREAM 1 1')
@defer.inlineCallbacks
def test_attacher_errors(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
return self.answer
self.state.circuits[1] = FakeCircuit(1)
attacher = MyAttacher(FakeCircuit(2))
self.state.set_attacher(attacher, FakeReactor(self))
stream = Stream(self.state)
stream.id = 3
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception, e:
msg = str(e)
self.assertTrue('circuit unknown' in msg)
attacher.answer = self.state.circuits[1]
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception, e:
msg = str(e)
class StateTests(unittest.TestCase):
def setUp(self):
self.protocol = TorControlProtocol()
self.state = TorState(self.protocol)
# avoid spew in trial logs; state prints this by default
self.state._attacher_error = lambda f: f
self.protocol.connectionMade = lambda: None
self.transport = proto_helpers.StringTransport()
self.protocol.makeConnection(self.transport)
def test_close_stream_with_attacher(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self):
self.streams = []
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return None
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
self.state._stream_update("76 CLOSED 0 www.example.com:0 REASON=DONE")
def test_attacher_error_handler(self):
# make sure error-handling "does something" that isn't blowing up
with patch('sys.stdout'):
TorState(self.protocol)._attacher_error(
Failure(RuntimeError("quote")))
def test_stream_update(self):
# we use a circuit ID of 0 so it doesn't try to look anything
# up but it's not really correct to have a SUCCEEDED w/o a
# valid circuit, I don't think
self.state._stream_update('1610 SUCCEEDED 0 74.125.224.243:80')
self.assertTrue(1610 in self.state.streams)
def test_single_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status(
'stream-status=123 SUCCEEDED 496 www.example.com:6667')
self.assertEqual(len(self.state.streams), 1)
def test_multiple_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status('\r\n'.join([
'stream-status=',
'123 SUCCEEDED 496 www.example.com:6667',
'124 SUCCEEDED 496 www.example.com:6667',
]))
self.assertEqual(len(self.state.streams), 2)
def send(self, line):
self.protocol.dataReceived(line.strip() + b"\r\n")
@defer.inlineCallbacks
def test_bootstrap_callback(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
from .test_torconfig import FakeControlProtocol
protocol = FakeControlProtocol([
"ns/all=", # ns/all
"", # circuit-status
"", # stream-status
"", # address-mappings/all
"entry-guards=\r\n$0000000000000000000000000000000000000000=name up\r\n$1111111111111111111111111111111111111111=foo up\r\n$9999999999999999999999999999999999999999=eman unusable 2012-01-01 22:00:00\r\n", # entry-guards
"99999", # process/pid
"??", # ip-to-country/0.0.0.0
])
state = yield TorState.from_protocol(protocol)
self.assertEqual(len(state.entry_guards), 2)
self.assertTrue(
'$0000000000000000000000000000000000000000' in state.entry_guards)
self.assertTrue(
'$1111111111111111111111111111111111111111' in state.entry_guards)
self.assertEqual(len(state.unusable_entry_guards), 1)
self.assertTrue('$9999999999999999999999999999999999999999' in
state.unusable_entry_guards[0])
def test_bootstrap_existing_addresses(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send(b"250+ns/all=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250+circuit-status=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250-stream-status=")
self.send(b"250 OK")
self.send(b"250+address-mappings/all=")
self.send(b'www.example.com 127.0.0.1 "2012-01-01 00:00:00"')
self.send(b'subdomain.example.com 10.0.0.0 "2012-01-01 00:01:02"')
self.send(b".")
self.send(b"250 OK")
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(b"250-entry-guards=")
self.send(b"250 OK")
self.send(b"250 OK")
self.assertEqual(len(self.state.addrmap.addr), 4)
self.assertTrue('www.example.com' in self.state.addrmap.addr)
self.assertTrue('subdomain.example.com' in self.state.addrmap.addr)
self.assertTrue('10.0.0.0' in self.state.addrmap.addr)
self.assertTrue('127.0.0.1' in self.state.addrmap.addr)
self.assertEqual(IPv4Address(u'127.0.0.1'),
self.state.addrmap.find('www.example.com').ip)
self.assertEqual('www.example.com',
self.state.addrmap.find('127.0.0.1').name)
self.assertEqual(IPv4Address(u'10.0.0.0'),
self.state.addrmap.find('subdomain.example.com').ip)
self.assertEqual('subdomain.example.com',
self.state.addrmap.find('10.0.0.0').name)
return d
def test_bootstrap_single_existing_circuit(self):
'''
test with exactly one circuit. should probably test with 2 as
well, since there was a bug with the handling of just one.
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send(b"250+ns/all=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250-circuit-status=123 BUILT PURPOSE=GENERAL")
self.send(b"250 OK")
self.send(b"250-stream-status=")
self.send(b"250 OK")
self.send(b"250+address-mappings/all=")
self.send(b".")
self.send(b"250 OK")
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(b"250-entry-guards=")
self.send(b"250 OK")
self.send(b"250 OK")
self.assertTrue(self.state.find_circuit(123))
self.assertEquals(len(self.state.circuits), 1)
return d
def test_unset_attacher(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def attach_stream(self, stream, circuits):
return None
fr = FakeReactor(self)
attacher = MyAttacher()
self.state.set_attacher(attacher, fr)
self.send(b"250 OK")
self.state.set_attacher(None, fr)
self.send(b"250 OK")
self.assertEqual(
self.transport.value(),
b'SETCONF __LeaveStreamsUnattached=1\r\nSETCONF'
b' __LeaveStreamsUnattached=0\r\n')
def test_attacher_twice(self):
"""
It should be an error to set an attacher twice
"""
@implementer(IStreamAttacher)
class MyAttacher(object):
pass
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
# attach the *same* instance twice; not an error
self.state.set_attacher(attacher, FakeReactor(self))
with self.assertRaises(RuntimeError) as ctx:
self.state.set_attacher(MyAttacher(), FakeReactor(self))
self.assertTrue("already have an attacher" in str(ctx.exception))
@defer.inlineCallbacks
def _test_attacher_both_apis(self):
"""
similar to above, but first set_attacher is implicit via
Circuit.stream_via
"""
reactor = Mock()
directlyProvides(reactor, IReactorCore)
@implementer(IStreamAttacher)
class MyAttacher(object):
pass
circ = Circuit(self.state)
circ.state = 'BUILT'
# use the "preferred" API, which will set an attacher
factory = Mock()
proto = Mock()
proto.when_done = Mock(return_value=defer.succeed(None))
factory.connect = Mock(return_value=defer.succeed(proto))
ep = circ.stream_via(reactor, 'meejah.ca', 443, factory)
addr = Mock()
addr.host = '10.0.0.1'
addr.port = 1011
ep._target_endpoint._get_address = Mock(
return_value=defer.succeed(addr))
print("EP", ep)
attacher = yield _get_circuit_attacher(reactor, self.state)
print("attacher", attacher)
d = ep.connect('foo')
print("doin' it")
stream = Mock()
import ipaddress
stream.source_addr = ipaddress.IPv4Address(u'10.0.0.1')
stream.source_port = 1011
attacher.attach_stream(stream, [])
yield d
# ...now use the low-level API (should be an error)
with self.assertRaises(RuntimeError) as ctx:
self.state.set_attacher(MyAttacher(), FakeReactor(self))
self.assertTrue("already have an attacher" in str(ctx.exception))
def test_attacher(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self):
self.streams = []
self.answer = None
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return self.answer
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(
b"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER"
)
self.send(b"650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], b'ATTACHSTREAM 1 0')
# we should totally ignore .exit URIs
attacher.streams = []
self.send(
b"650 STREAM 2 NEW 0 10.0.0.0.$E11D2B2269CC25E67CA6C9FB5843497539A74FD0.exit:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME"
)
self.assertEqual(len(attacher.streams), 0)
self.assertEqual(len(self.protocol.commands), 1)
# we should NOT ignore .onion URIs
attacher.streams = []
self.send(
b"650 STREAM 3 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME"
)
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(len(self.protocol.commands), 2)
self.assertEqual(self.protocol.commands[1][1], b'ATTACHSTREAM 3 0')
# normal attach
circ = FakeCircuit(1)
circ.state = 'BUILT'
self.state.circuits[1] = circ
attacher.answer = circ
self.send(
b"650 STREAM 4 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME"
)
self.assertEqual(len(attacher.streams), 2)
self.assertEqual(len(self.protocol.commands), 3)
self.assertEqual(self.protocol.commands[2][1], b'ATTACHSTREAM 4 1')
def test_attacher_defer(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return defer.succeed(self.answer)
self.state.circuits[1] = FakeCircuit(1)
self.state.circuits[1].state = 'BUILT'
attacher = MyAttacher(self.state.circuits[1])
self.state.set_attacher(attacher, FakeReactor(self))
# boilerplate to finish enough set-up in the protocol so it
# works
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(
b"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER"
)
self.send(b"650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], b'ATTACHSTREAM 1 1')
@defer.inlineCallbacks
def test_attacher_errors(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
return self.answer
self.state.circuits[1] = FakeCircuit(1)
attacher = MyAttacher(FakeCircuit(2))
self.state.set_attacher(attacher, FakeReactor(self))
stream = Stream(self.state)
stream.id = 3
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception as e:
msg = str(e)
self.assertTrue('circuit unknown' in msg)
attacher.answer = self.state.circuits[1]
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception as e:
msg = str(e)
self.assertTrue('only attach to BUILT' in msg)
attacher.answer = 'not a Circuit instance'
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception as e:
msg = str(e)
self.assertTrue('Circuit instance' in msg)
def test_attacher_no_attach(self):
@implementer(IStreamAttacher)
class MyAttacher(object):
def __init__(self):
self.streams = []
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return TorState.DO_NOT_ATTACH
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.transport.clear()
self.send(
b"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER"
)
self.send(b"650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(self.transport.value(), b'')
def test_close_stream_with_id(self):
stream = Stream(self.state)
stream.id = 1
self.state.streams[1] = stream
self.state.close_stream(stream)
self.assertEqual(self.transport.value(), b'CLOSESTREAM 1 1\r\n')
def test_close_stream_with_stream(self):
stream = Stream(self.state)
stream.id = 1
self.state.streams[1] = stream
self.state.close_stream(stream.id)
self.assertEqual(self.transport.value(), b'CLOSESTREAM 1 1\r\n')
def test_close_stream_invalid_reason(self):
stream = Stream(self.state)
stream.id = 1
self.state.streams[1] = stream
self.assertRaises(ValueError, self.state.close_stream, stream,
'FOO_INVALID_REASON')
def test_close_circuit_with_id(self):
circuit = Circuit(self.state)
circuit.id = 1
self.state.circuits[1] = circuit
self.state.close_circuit(circuit.id)
self.assertEqual(self.transport.value(), b'CLOSECIRCUIT 1\r\n')
def test_close_circuit_with_circuit(self):
circuit = Circuit(self.state)
circuit.id = 1
self.state.circuits[1] = circuit
self.state.close_circuit(circuit)
self.assertEqual(self.transport.value(), b'CLOSECIRCUIT 1\r\n')
def test_close_circuit_with_flags(self):
circuit = Circuit(self.state)
circuit.id = 1
# try:
# self.state.close_circuit(circuit.id, IfUnused=True)
# self.assertTrue(False)
# except KeyError:
# pass
self.state.circuits[1] = circuit
self.state.close_circuit(circuit.id, IfUnused=True)
self.assertEqual(self.transport.value(),
b'CLOSECIRCUIT 1 IfUnused\r\n')
def test_circuit_destroy(self):
self.state._circuit_update('365 LAUNCHED PURPOSE=GENERAL')
self.assertTrue(365 in self.state.circuits)
self.state._circuit_update(
'365 FAILED $E11D2B2269CC25E67CA6C9FB5843497539A74FD0=eris,$50DD343021E509EB3A5A7FD0D8A4F8364AFBDCB5=venus,$253DFF1838A2B7782BE7735F74E50090D46CA1BC=chomsky PURPOSE=GENERAL REASON=TIMEOUT'
)
self.assertTrue(365 not in self.state.circuits)
def test_circuit_destroy_already(self):
self.state._circuit_update('365 LAUNCHED PURPOSE=GENERAL')
self.assertTrue(365 in self.state.circuits)
self.state._circuit_update(
'365 CLOSED $E11D2B2269CC25E67CA6C9FB5843497539A74FD0=eris,$50DD343021E509EB3A5A7FD0D8A4F8364AFBDCB5=venus,$253DFF1838A2B7782BE7735F74E50090D46CA1BC=chomsky PURPOSE=GENERAL REASON=TIMEOUT'
)
self.assertTrue(365 not in self.state.circuits)
self.state._circuit_update(
'365 CLOSED $E11D2B2269CC25E67CA6C9FB5843497539A74FD0=eris,$50DD343021E509EB3A5A7FD0D8A4F8364AFBDCB5=venus,$253DFF1838A2B7782BE7735F74E50090D46CA1BC=chomsky PURPOSE=GENERAL REASON=TIMEOUT'
)
self.assertTrue(365 not in self.state.circuits)
def test_circuit_listener(self):
events = 'CIRC STREAM ORCONN BW DEBUG INFO NOTICE WARN ERR NEWDESC ADDRMAP AUTHDIR_NEWDESCS DESCCHANGED NS STATUS_GENERAL STATUS_CLIENT STATUS_SERVER GUARD STREAM_BW CLIENTS_SEEN NEWCONSENSUS BUILDTIMEOUT_SET'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
# we use this router later on in an EXTEND
self.state._update_network_status("""ns/all=
r PPrivCom012 2CGDscCeHXeV/y1xFrq1EGqj5g4 QX7NVLwx7pwCuk6s8sxB4rdaCKI 2011-12-20 08:34:19 84.19.178.6 9001 0
s Fast Guard Running Stable Unnamed Valid
w Bandwidth=51500
p reject 1-65535""")
expected = [('new', {
'id': 456
}), ('launched', {}), ('extend', {
'id': 123
})]
listen = CircuitListener(expected)
# first add a Circuit before we listen
self.protocol.dataReceived(
b"650 CIRC 123 LAUNCHED PURPOSE=GENERAL\r\n")
self.assertEqual(len(self.state.circuits), 1)
# make sure we get added to existing circuits
self.state.add_circuit_listener(listen)
first_circuit = list(self.state.circuits.values())[0]
self.assertTrue(listen in first_circuit.listeners)
# now add a Circuit after we started listening
self.protocol.dataReceived(
b"650 CIRC 456 LAUNCHED PURPOSE=GENERAL\r\n")
self.assertEqual(len(self.state.circuits), 2)
self.assertTrue(
listen in list(self.state.circuits.values())[0].listeners)
self.assertTrue(
listen in list(self.state.circuits.values())[1].listeners)
# now update the first Circuit to ensure we're really, really
# listening
self.protocol.dataReceived(
b"650 CIRC 123 EXTENDED $D82183B1C09E1D7795FF2D7116BAB5106AA3E60E~PPrivCom012 PURPOSE=GENERAL\r\n"
)
self.assertEqual(len(listen.expected), 0)
def test_router_from_id_invalid_key(self):
self.failUnlessRaises(KeyError, self.state.router_from_id,
'somethingcompletelydifferent..thatis42long')
def test_router_from_named_router(self):
r = self.state.router_from_id(
'$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=foo')
self.assertEqual(r.id_hex, '$AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA')
self.assertEqual(r.unique_name, 'foo')
def confirm_router_state(self, x):
self.assertTrue(
'$624926802351575FF7E4E3D60EFA3BFB56E67E8A' in self.state.routers)
router = self.state.routers[
'$624926802351575FF7E4E3D60EFA3BFB56E67E8A']
self.assertTrue('exit' in router.flags)
self.assertTrue('fast' in router.flags)
self.assertTrue('guard' in router.flags)
self.assertTrue('hsdir' in router.flags)
self.assertTrue('named' in router.flags)
self.assertTrue('running' in router.flags)
self.assertTrue('stable' in router.flags)
self.assertTrue('v2dir' in router.flags)
self.assertTrue('valid' in router.flags)
self.assertTrue('futureproof' in router.flags)
self.assertEqual(router.bandwidth, 518000)
self.assertTrue(router.accepts_port(43))
self.assertTrue(router.accepts_port(53))
self.assertTrue(not router.accepts_port(44))
self.assertTrue(router.accepts_port(989))
self.assertTrue(router.accepts_port(990))
self.assertTrue(not router.accepts_port(991))
self.assertTrue(not router.accepts_port(988))
def test_router_with_ipv6_address(self):
self.state._update_network_status("""ns/all=
r PPrivCom012 2CGDscCeHXeV/y1xFrq1EGqj5g4 QX7NVLwx7pwCuk6s8sxB4rdaCKI 2011-12-20 08:34:19 84.19.178.6 9001 0
a [2001:0:0:0::0]:4321
s Fast Guard Running Stable Named Valid
w Bandwidth=51500
p reject 1-65535""")
self.assertEqual(
len(self.state.routers_by_name['PPrivCom012'][0].ip_v6), 1)
self.assertEqual(self.state.routers_by_name['PPrivCom012'][0].ip_v6[0],
'[2001:0:0:0::0]:4321')
def test_invalid_routers(self):
try:
self.state._update_network_status('''ns/all=
r fake YkkmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
r fake YkkmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
w Bandwidth=518000
p accept 43,53,79-81,110,143,194,220,443,953,989-990,993,995,1194,1293,1723,1863,2082-2083,2086-2087,2095-2096,3128,4321,5050,5190,5222-5223,6679,6697,7771,8000,8008,8080-8081,8090,8118,8123,8181,8300,8443,8888
.''')
self.fail()
except RuntimeError as e:
self.assertTrue('"s "' in str(e))
def test_routers_no_policy(self):
"""
ensure we can parse a router descriptor which has no p line
"""
self.state._update_network_status('''ns/all=
r fake YkkmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
w Bandwidth=518000
r PPrivCom012 2CGDscCeHXeV/y1xFrq1EGqj5g4 QX7NVLwx7pwCuk6s8sxB4rdaCKI 2011-12-20 08:34:19 84.19.178.6 9001 0
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
w Bandwidth=518000
p accept 43,53,79-81,110,143,194,220,443,953,989-990,993,995,1194,1293,1723,1863,2082-2083,2086-2087,2095-2096,3128,4321,5050,5190,5222-5223,6679,6697,7771,8000,8008,8080-8081,8090,8118,8123,8181,8300,8443,8888
.''')
self.assertTrue('fake' in self.state.routers.keys())
self.assertTrue('PPrivCom012' in self.state.routers.keys())
def test_routers_no_bandwidth(self):
"""
ensure we can parse a router descriptor which has no w line
"""
self.state._update_network_status('''ns/all=
r fake YkkmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
r PPrivCom012 2CGDscCeHXeV/y1xFrq1EGqj5g4 QX7NVLwx7pwCuk6s8sxB4rdaCKI 2011-12-20 08:34:19 84.19.178.6 9001 0
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
w Bandwidth=518000
p accept 43,53,79-81,110,143,194,220,443,953,989-990,993,995,1194,1293,1723,1863,2082-2083,2086-2087,2095-2096,3128,4321,5050,5190,5222-5223,6679,6697,7771,8000,8008,8080-8081,8090,8118,8123,8181,8300,8443,8888
.''')
self.assertTrue('fake' in self.state.routers.keys())
self.assertTrue('PPrivCom012' in self.state.routers.keys())
def test_router_factory(self):
self.state._update_network_status('''ns/all=
r fake YkkmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
w Bandwidth=518000
p accept 43,53,79-81,110,143,194,220,443,953,989-990,993,995,1194,1293,1723,1863,2082-2083,2086-2087,2095-2096,3128,4321,5050,5190,5222-5223,6679,6697,7771,8000,8008,8080-8081,8090,8118,8123,8181,8300,8443,8888
r fake YxxmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof
w Bandwidth=543000
p accept 43,53
.''')
self.assertTrue(
'$624926802351575FF7E4E3D60EFA3BFB56E67E8A' in self.state.routers)
r = self.state.routers['$624926802351575FF7E4E3D60EFA3BFB56E67E8A']
self.assertEqual(r.controller, self.state.protocol)
self.assertEqual(r.bandwidth, 518000)
self.assertEqual(len(self.state.routers_by_name['fake']), 2)
# now we do an update
self.state._update_network_status('''ns/all=
r fake YkkmgCNRV1/35OPWDvo7+1bmfoo tanLV/4ZfzpYQW0xtGFqAa46foo 2011-12-12 16:29:16 12.45.56.78 443 80
s Exit Fast Guard HSDir Named Running Stable V2Dir Valid FutureProof Authority
w Bandwidth=543000
p accept 43,53,79-81,110,143,194,220,443,953,989-990,993,995,1194,1293,1723,1863,2082-2083,2086-2087,2095-2096,3128,4321,5050,5190,5222-5223,6679,6697,7771,8000,8008,8080-8081,8090,8118,8123,8181,8300,8443,8888
.''')
self.assertEqual(r.bandwidth, 543000)
def test_empty_stream_update(self):
self.state._stream_update('''stream-status=''')
def test_addrmap(self):
self.state._addr_map(
'example.com 127.0.0.1 "2012-01-01 00:00:00" EXPIRES=NEVER')
def test_double_newconsensus(self):
"""
The arrival of a second NEWCONSENSUS event causes parsing
errors.
"""
# bootstrap the TorState so we can send it a "real" 650
# update
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send(b"250+ns/all=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250+circuit-status=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250-stream-status=")
self.send(b"250 OK")
self.send(b"250-address-mappings/all=")
self.send(b'250 OK')
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(b"250-entry-guards=")
self.send(b"250 OK")
self.send(b"250 OK")
# state is now bootstrapped, we can send our NEWCONSENSUS update
self.protocol.dataReceived(b'\r\n'.join(b'''650+NEWCONSENSUS
r Unnamed ABJlguUFz1lvQS0jq8nhTdRiXEk /zIVUg1tKMUeyUBoyimzorbQN9E 2012-05-23 01:10:22 219.94.255.254 9001 0
s Fast Guard Running Stable Valid
w Bandwidth=166
p reject 1-65535
.
650 OK
'''.split(b'\n')))
self.protocol.dataReceived(b'\r\n'.join(b'''650+NEWCONSENSUS
r Unnamed ABJlguUFz1lvQS0jq8nhTdRiXEk /zIVUg1tKMUeyUBoyimzorbQN9E 2012-05-23 01:10:22 219.94.255.254 9001 0
s Fast Guard Running Stable Valid
w Bandwidth=166
p reject 1-65535
.
650 OK
'''.split(b'\n')))
self.assertTrue('Unnamed' in self.state.routers)
self.assertTrue(
'$00126582E505CF596F412D23ABC9E14DD4625C49' in self.state.routers)
def test_NEWCONSENSUS_ends_with_OK_on_w(self):
"""
The arrival of a second NEWCONSENSUS event causes parsing
errors.
"""
# bootstrap the TorState so we can send it a "real" 650
# update
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send(b"250+ns/all=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250+circuit-status=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250-stream-status=")
self.send(b"250 OK")
self.send(b"250-address-mappings/all=")
self.send(b"250 OK")
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(b"250-entry-guards=")
self.send(b"250 OK")
self.send(b"250 OK")
# state is now bootstrapped, we can send our NEWCONSENSUS update
self.protocol.dataReceived(b'\r\n'.join(b'''650+NEWCONSENSUS
r Unnamed ABJlguUFz1lvQS0jq8nhTdRiXEk /zIVUg1tKMUeyUBoyimzorbQN9E 2012-05-23 01:10:22 219.94.255.254 9001 0
s Fast Guard Running Stable Valid
w Bandwidth=166
.
650 OK
'''.split(b'\n')))
self.assertTrue('Unnamed' in self.state.routers)
self.assertTrue(
'$00126582E505CF596F412D23ABC9E14DD4625C49' in self.state.routers)
def test_NEWCONSENSUS_ends_with_OK_on_s(self):
"""
The arrival of a second NEWCONSENSUS event causes parsing
errors.
"""
# bootstrap the TorState so we can send it a "real" 650
# update
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send(b"250+ns/all=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250+circuit-status=")
self.send(b".")
self.send(b"250 OK")
self.send(b"250-stream-status=")
self.send(b"250 OK")
self.send(b"250-address-mappings/all=")
self.send(b"250 OK")
for ignored in self.state.event_map.items():
self.send(b"250 OK")
self.send(b"250-entry-guards=")
self.send(b"250 OK")
self.send(b"250 OK")
# state is now bootstrapped, we can send our NEWCONSENSUS update
self.protocol.dataReceived(b'\r\n'.join(b'''650+NEWCONSENSUS
r Unnamed ABJlguUFz1lvQS0jq8nhTdRiXEk /zIVUg1tKMUeyUBoyimzorbQN9E 2012-05-23 01:10:22 219.94.255.254 9001 0
s Fast Guard Running Stable Valid
.
650 OK
'''.split(b'\n')))
self.assertTrue('Unnamed' in self.state.routers)
self.assertTrue(
'$00126582E505CF596F412D23ABC9E14DD4625C49' in self.state.routers)
def test_stream_create(self):
self.state._stream_update('1610 NEW 0 1.2.3.4:56')
self.assertTrue(1610 in self.state.streams)
def test_stream_destroy(self):
self.state._stream_update('1610 NEW 0 1.2.3.4:56')
self.assertTrue(1610 in self.state.streams)
self.state._stream_update(
"1610 FAILED 0 www.example.com:0 REASON=DONE REMOTE_REASON=FAILED")
self.assertTrue(1610 not in self.state.streams)
def test_stream_detach(self):
circ = FakeCircuit(1)
circ.state = 'BUILT'
self.state.circuits[1] = circ
self.state._stream_update('1610 NEW 0 1.2.3.4:56')
self.assertTrue(1610 in self.state.streams)
self.state._stream_update("1610 SUCCEEDED 1 4.3.2.1:80")
self.assertEqual(self.state.streams[1610].circuit, circ)
self.state._stream_update(
"1610 DETACHED 0 www.example.com:0 REASON=DONE REMOTE_REASON=FAILED"
)
self.assertEqual(self.state.streams[1610].circuit, None)
def test_stream_listener(self):
self.protocol._set_valid_events(
'CIRC STREAM ORCONN BW DEBUG INFO NOTICE WARN ERR NEWDESC ADDRMAP AUTHDIR_NEWDESCS DESCCHANGED NS STATUS_GENERAL STATUS_CLIENT STATUS_SERVER GUARD STREAM_BW CLIENTS_SEEN NEWCONSENSUS BUILDTIMEOUT_SET'
)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send(b"250 OK")
expected = [
('new', {}),
]
listen = StreamListener(expected)
self.send(
b"650 STREAM 77 NEW 0 www.yahoo.cn:80 SOURCE_ADDR=127.0.0.1:54315 PURPOSE=USER"
)
self.state.add_stream_listener(listen)
self.assertEqual(1, len(self.state.streams.values()))
self.assertTrue(
listen in list(self.state.streams.values())[0].listeners)
self.assertEqual(len(self.state.streams), 1)
self.assertEqual(len(listen.expected), 1)
self.send(
b"650 STREAM 78 NEW 0 www.yahoo.cn:80 SOURCE_ADDR=127.0.0.1:54315 PURPOSE=USER"
)
self.assertEqual(len(self.state.streams), 2)
self.assertEqual(len(listen.expected), 0)
def test_build_circuit(self):
class FakeRouter:
def __init__(self, i):
self.id_hex = i
self.flags = []
path = []
for x in range(3):
path.append(FakeRouter("$%040d" % x))
# can't just check flags for guard status, need to know if
# it's in the running Tor's notion of Entry Guards
path[0].flags = ['guard']
self.state.build_circuit(path, using_guards=True)
self.assertEqual(
self.transport.value(),
b'EXTENDCIRCUIT 0 0000000000000000000000000000000000000000,0000000000000000000000000000000000000001,0000000000000000000000000000000000000002\r\n'
)
# should have gotten a warning about this not being an entry
# guard
self.assertEqual(len(self.flushWarnings()), 1)
def test_build_circuit_no_routers(self):
self.state.build_circuit()
self.assertEqual(self.transport.value(), b'EXTENDCIRCUIT 0\r\n')
def test_build_circuit_unfound_router(self):
self.state.build_circuit(
routers=[b'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'],
using_guards=False)
self.assertEqual(
self.transport.value(),
b'EXTENDCIRCUIT 0 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\r\n')
def circuit_callback(self, circ):
self.assertTrue(isinstance(circ, Circuit))
self.assertEqual(circ.id, 1234)
def test_build_circuit_final_callback(self):
class FakeRouter:
def __init__(self, i):
self.id_hex = i
self.flags = []
path = []
for x in range(3):
path.append(FakeRouter("$%040d" % x))
# can't just check flags for guard status, need to know if
# it's in the running Tor's notion of Entry Guards
path[0].flags = ['guard']
# FIXME TODO we should verify we get a circuit_new event for
# this circuit
d = self.state.build_circuit(path, using_guards=True)
d.addCallback(self.circuit_callback)
self.assertEqual(
self.transport.value(),
b'EXTENDCIRCUIT 0 0000000000000000000000000000000000000000,0000000000000000000000000000000000000001,0000000000000000000000000000000000000002\r\n'
)
self.send(b"250 EXTENDED 1234")
# should have gotten a warning about this not being an entry
# guard
self.assertEqual(len(self.flushWarnings()), 1)
return d
def test_build_circuit_error(self):
"""
tests that we check the callback properly
"""
try:
self.state._find_circuit_after_extend("FOO 1234")
self.assertTrue(False)
except RuntimeError as e:
self.assertTrue('Expected EXTENDED' in str(e))
def test_listener_mixins(self):
self.assertTrue(verifyClass(IStreamListener, StreamListenerMixin))
self.assertTrue(verifyClass(ICircuitListener, CircuitListenerMixin))
def test_build_circuit_timedout(self):
class FakeRouter:
def __init__(self, i):
self.id_hex = i
self.flags = []
path = []
for x in range(3):
path.append(FakeRouter("$%040d" % x))
# can't just check flags for guard status, need to know if
# it's in the running Tor's notion of Entry Guards
path[0].flags = ['guard']
# FIXME TODO we should verify we get a circuit_new event for
# this circuit
timeout = 10
clock = task.Clock()
d = build_timeout_circuit(self.state,
clock,
path,
timeout,
using_guards=False)
clock.advance(10)
def check_for_timeout_error(f):
self.assertTrue(isinstance(f.type(), CircuitBuildTimedOutError))
d.addErrback(check_for_timeout_error)
return d
def test_build_circuit_timeout_after_progress(self):
"""
Similar to above but we timeout after Tor has ack'd our
circuit-creation attempt, but before reaching BUILT.
"""
class FakeRouter:
def __init__(self, i):
self.id_hex = i
self.flags = []
class FakeCircuit(Circuit):
def close(self):
return defer.succeed(None)
path = []
for x in range(3):
path.append(FakeRouter("$%040d" % x))
def fake_queue(cmd):
self.assertTrue(cmd.startswith('EXTENDCIRCUIT 0'))
return defer.succeed("EXTENDED 1234")
queue_command = patch.object(self.protocol, 'queue_command',
fake_queue)
circuit_factory = patch.object(self.state, 'circuit_factory',
FakeCircuit)
with queue_command, circuit_factory:
timeout = 10
clock = task.Clock()
d = build_timeout_circuit(self.state,
clock,
path,
timeout,
using_guards=False)
clock.advance(timeout + 1)
def check_for_timeout_error(f):
self.assertTrue(isinstance(f.type(),
CircuitBuildTimedOutError))
d.addErrback(check_for_timeout_error)
return d
def test_build_circuit_not_timedout(self):
class FakeRouter:
def __init__(self, i):
self.id_hex = i
self.flags = []
path = []
for x in range(3):
path.append(FakeRouter("$%040d" % x))
path[0].flags = ['guard']
timeout = 10
clock = task.Clock()
d = build_timeout_circuit(self.state,
clock,
path,
timeout,
using_guards=True)
d.addCallback(self.circuit_callback)
self.assertEqual(
self.transport.value(),
b'EXTENDCIRCUIT 0 0000000000000000000000000000000000000000,0000000000000000000000000000000000000001,0000000000000000000000000000000000000002\r\n'
)
self.send(b"250 EXTENDED 1234")
# we can't just .send(b'650 CIRC 1234 BUILT') this because we
# didn't fully hook up the protocol to the state, e.g. via
# post_bootstrap etc.
self.state.circuits[1234].update(['1234', 'BUILT'])
# should have gotten a warning about this not being an entry
# guard
self.assertEqual(len(self.flushWarnings()), 1)
return d
class StateTests(unittest.TestCase):
def setUp(self):
self.protocol = TorControlProtocol()
self.state = TorState(self.protocol)
# avoid spew in trial logs; state prints this by default
self.state._attacher_error = lambda f: f
self.protocol.connectionMade = lambda: None
self.transport = proto_helpers.StringTransport()
self.protocol.makeConnection(self.transport)
def test_close_stream_with_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self):
self.streams = []
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return None
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
self.state._stream_update("76 CLOSED 0 www.example.com:0 REASON=DONE")
def test_attacher_error_handler(self):
# make sure error-handling "does something" that isn't blowing up
with patch('sys.stdout') as fake_stdout:
TorState(self.protocol)._attacher_error(
Failure(RuntimeError("quote")))
def test_stream_update(self):
# we use a circuit ID of 0 so it doesn't try to look anything
# up but it's not really correct to have a SUCCEEDED w/o a
# valid circuit, I don't think
self.state._stream_update('1610 SUCCEEDED 0 74.125.224.243:80')
self.assertTrue(1610 in self.state.streams)
def test_single_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status(
'stream-status=123 SUCCEEDED 496 www.example.com:6667')
self.assertEqual(len(self.state.streams), 1)
def test_multiple_streams(self):
self.state.circuits[496] = FakeCircuit(496)
self.state._stream_status('\r\n'.join([
'stream-status=',
'123 SUCCEEDED 496 www.example.com:6667',
'124 SUCCEEDED 496 www.example.com:6667',
]))
self.assertEqual(len(self.state.streams), 2)
def send(self, line):
self.protocol.dataReceived(line.strip() + "\r\n")
@defer.inlineCallbacks
def test_bootstrap_callback(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
from test_torconfig import FakeControlProtocol
protocol = FakeControlProtocol([
"ns/all=", # ns/all
"", # circuit-status
"", # stream-status
"", # address-mappings/all
"entry-guards=\r\n$0000000000000000000000000000000000000000=name up\r\n$1111111111111111111111111111111111111111=foo up\r\n$9999999999999999999999999999999999999999=eman unusable 2012-01-01 22:00:00\r\n", # entry-guards
"99999", # process/pid
"??", # ip-to-country/0.0.0.0
])
state = yield TorState.from_protocol(protocol)
self.assertEqual(len(state.entry_guards), 2)
self.assertTrue(
'$0000000000000000000000000000000000000000' in state.entry_guards)
self.assertTrue(
'$1111111111111111111111111111111111111111' in state.entry_guards)
self.assertEqual(len(state.unusable_entry_guards), 1)
self.assertTrue('$9999999999999999999999999999999999999999' in
state.unusable_entry_guards[0])
def test_bootstrap_existing_addresses(self):
'''
FIXME: something is still screwy with this; try throwing an
exception from TorState.bootstrap and we'll just hang...
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250+circuit-status=")
self.send(".")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250+address-mappings/all=")
self.send('www.example.com 127.0.0.1 "2012-01-01 00:00:00"')
self.send('subdomain.example.com 10.0.0.0 "2012-01-01 00:01:02"')
self.send('.')
self.send('250 OK')
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("250-entry-guards=")
self.send("250 OK")
self.send("250 OK")
self.assertEqual(len(self.state.addrmap.addr), 4)
self.assertTrue('www.example.com' in self.state.addrmap.addr)
self.assertTrue('subdomain.example.com' in self.state.addrmap.addr)
self.assertTrue('10.0.0.0' in self.state.addrmap.addr)
self.assertTrue('127.0.0.1' in self.state.addrmap.addr)
self.assertEqual('127.0.0.1',
self.state.addrmap.find('www.example.com').ip)
self.assertEqual('www.example.com',
self.state.addrmap.find('127.0.0.1').name)
self.assertEqual('10.0.0.0',
self.state.addrmap.find('subdomain.example.com').ip)
self.assertEqual('subdomain.example.com',
self.state.addrmap.find('10.0.0.0').name)
return d
def test_bootstrap_single_existing_circuit(self):
'''
test with exactly one circuit. should probably test with 2 as
well, since there was a bug with the handling of just one.
'''
d = self.state.post_bootstrap
clock = task.Clock()
self.state.addrmap.scheduler = clock
self.protocol._set_valid_events(' '.join(self.state.event_map.keys()))
self.state._bootstrap()
self.send("250+ns/all=")
self.send(".")
self.send("250 OK")
self.send("250-circuit-status=123 BUILT PURPOSE=GENERAL")
self.send("250 OK")
self.send("250-stream-status=")
self.send("250 OK")
self.send("250+address-mappings/all=")
self.send('.')
self.send('250 OK')
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send("250-entry-guards=")
self.send("250 OK")
self.send("250 OK")
self.assertTrue(self.state.find_circuit(123))
self.assertEquals(len(self.state.circuits), 1)
return d
def test_unset_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def attach_stream(self, stream, circuits):
return None
fr = FakeReactor(self)
self.state.set_attacher(MyAttacher(), fr)
self.send("250 OK")
self.state.set_attacher(None, fr)
self.send("250 OK")
self.assertEqual(
self.transport.value(),
'SETCONF __LeaveStreamsUnattached=1\r\nSETCONF'
' __LeaveStreamsUnattached=0\r\n')
def test_attacher(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self):
self.streams = []
self.answer = None
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return self.answer
attacher = MyAttacher()
self.state.set_attacher(attacher, FakeReactor(self))
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send(
"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER"
)
self.send("650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], 'ATTACHSTREAM 1 0')
# we should totally ignore .exit URIs
attacher.streams = []
self.send(
"650 STREAM 2 NEW 0 10.0.0.0.$E11D2B2269CC25E67CA6C9FB5843497539A74FD0.exit:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME"
)
self.assertEqual(len(attacher.streams), 0)
self.assertEqual(len(self.protocol.commands), 1)
# we should NOT ignore .onion URIs
attacher.streams = []
self.send(
"650 STREAM 3 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME"
)
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(len(self.protocol.commands), 2)
self.assertEqual(self.protocol.commands[1][1], 'ATTACHSTREAM 3 0')
# normal attach
circ = FakeCircuit(1)
circ.state = 'BUILT'
self.state.circuits[1] = circ
attacher.answer = circ
self.send(
"650 STREAM 4 NEW 0 xxxxxxxxxxxxxxxx.onion:80 SOURCE_ADDR=127.0.0.1:12345 PURPOSE=TIME"
)
self.assertEqual(len(attacher.streams), 2)
self.assertEqual(len(self.protocol.commands), 3)
self.assertEqual(self.protocol.commands[2][1], 'ATTACHSTREAM 4 1')
def test_attacher_defer(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
self.streams.append(stream)
return defer.succeed(self.answer)
self.state.circuits[1] = FakeCircuit(1)
self.state.circuits[1].state = 'BUILT'
attacher = MyAttacher(self.state.circuits[1])
self.state.set_attacher(attacher, FakeReactor(self))
# boilerplate to finish enough set-up in the protocol so it
# works
events = 'GUARD STREAM CIRC NS NEWCONSENSUS ORCONN NEWDESC ADDRMAP STATUS_GENERAL'
self.protocol._set_valid_events(events)
self.state._add_events()
for ignored in self.state.event_map.items():
self.send("250 OK")
self.send(
"650 STREAM 1 NEW 0 ca.yahoo.com:80 SOURCE_ADDR=127.0.0.1:54327 PURPOSE=USER"
)
self.send("650 STREAM 1 REMAP 0 87.248.112.181:80 SOURCE=CACHE")
self.assertEqual(len(attacher.streams), 1)
self.assertEqual(attacher.streams[0].id, 1)
self.assertEqual(len(self.protocol.commands), 1)
self.assertEqual(self.protocol.commands[0][1], 'ATTACHSTREAM 1 1')
@defer.inlineCallbacks
def test_attacher_errors(self):
class MyAttacher(object):
implements(IStreamAttacher)
def __init__(self, answer):
self.streams = []
self.answer = answer
def attach_stream(self, stream, circuits):
return self.answer
self.state.circuits[1] = FakeCircuit(1)
attacher = MyAttacher(FakeCircuit(2))
self.state.set_attacher(attacher, FakeReactor(self))
stream = Stream(self.state)
stream.id = 3
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception, e:
msg = str(e)
self.assertTrue('circuit unknown' in msg)
attacher.answer = self.state.circuits[1]
msg = ''
try:
yield self.state._maybe_attach(stream)
except Exception, e:
msg = str(e)