[tor-commits] [ooni-probe/master] Fixed https://trac.torproject.org/projects/tor/ticket/11983 with the addition of some checks of incoherences in:
art at torproject.org
art at torproject.org
Thu Aug 7 15:15:26 UTC 2014
commit a49fc8391e145b0559bad4193c0e726d49d4a409
Author: kudrom <kudrom at riseup.net>
Date: Sun Jul 13 22:49:25 2014 +0200
Fixed https://trac.torproject.org/projects/tor/ticket/11983 with the addition of some checks of incoherences in:
* advanced:start_tor, tor:socks_port and tor:control_port
* advanced:interface
---
ooni/settings.py | 84 +++++++++++++++++++++++++++++++++-----
ooni/tests/test_oonicli.py | 1 +
ooni/tests/test_settings.py | 95 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 169 insertions(+), 11 deletions(-)
diff --git a/ooni/settings.py b/ooni/settings.py
index 07a0039..91d2f76 100644
--- a/ooni/settings.py
+++ b/ooni/settings.py
@@ -3,10 +3,15 @@ import sys
import yaml
import getpass
+from twisted.internet import defer, reactor
+from twisted.internet.endpoints import TCP4ClientEndpoint
+
from os.path import abspath, expanduser
+from scapy.all import get_if_list
+import txtorcon
-from ooni import geoip
-from ooni.utils import Storage
+from ooni import otime, geoip
+from ooni.utils import Storage, log
class OConfig(object):
@@ -93,10 +98,9 @@ class OConfig(object):
else:
w.write(line)
+ @defer.inlineCallbacks
def read_config_file(self):
- try:
- with open(self.config_file) as f: pass
- except IOError:
+ if not os.path.exists(self.config_file):
print "Configuration file does not exist."
self._create_config_file()
self.read_config_file()
@@ -105,12 +109,70 @@ class OConfig(object):
config_file_contents = '\n'.join(f.readlines())
configuration = yaml.safe_load(config_file_contents)
- for setting in ['basic', 'reports', 'advanced', 'privacy', 'tor']:
- try:
- for k, v in configuration[setting].items():
- getattr(self, setting)[k] = v
- except AttributeError:
- pass
+ for setting in configuration.keys():
+ if setting in dir(self):
+ for k, v in configuration[setting].items():
+ getattr(self, setting)[k] = v
self.set_paths()
+ # The incoherent checks must be performed after OConfig is in a valid state to runWithDirector
+ coherent = yield self.check_incoherences(configuration)
+ if not coherent:
+ sys.exit(6)
+
+ @defer.inlineCallbacks
+ def check_incoherences(self, configuration):
+ incoherent = []
+ deferreds = []
+
+ if not configuration['advanced']['start_tor']:
+ if not 'socks_port' in configuration['tor']:
+ incoherent.append('tor:socks_port')
+ if not 'control_port' in configuration['tor']:
+ incoherent.append('tor:control_port')
+ if 'socks_port' in configuration['tor'] and 'control_port' in configuration['tor']:
+ # Check if tor is listening in these ports
+ @defer.inlineCallbacks
+ def cb(state):
+ timeout_call.cancel()
+ result = yield state.protocol.get_info("net/listeners/socks")
+ if result["net/listeners/socks"].split(':')[1] != str(configuration['tor']['socks_port']):
+ incoherent.append('tor:socks_port')
+
+ def err(failure):
+ incoherent.append('tor:socks_port')
+ if timeout_call.active:
+ timeout_call.cancel()
+
+ def timeout():
+ incoherent.append('tor:control_port')
+ if not d.called:
+ d.errback()
+
+ connection = TCP4ClientEndpoint(reactor, "localhost", configuration['tor']['control_port'])
+ d = txtorcon.build_tor_connection(connection)
+ d.addCallback(cb)
+ d.addErrback(err)
+ deferreds.append(d)
+ timeout_call = reactor.callLater(30, timeout)
+
+ if configuration['advanced']['interface'] != 'auto' and configuration['advanced']['interface'] not in get_if_list():
+ incoherent.append('advanced:interface')
+
+ deferred_list = defer.DeferredList(deferreds)
+ yield deferred_list
+ if len(incoherent) > 0:
+ if len(incoherent) > 1:
+ incoherent_pretty = ", ".join(incoherent[:-1]) + ' and ' + incoherent[-1]
+ else:
+ incoherent_pretty = incoherent[0]
+ log.err("You must set properly %s in %s." % (incoherent_pretty, self.config_file))
+ defer.returnValue(False)
+ defer.returnValue(True)
+
+ def generate_pcap_filename(self, testDetails):
+ test_name, start_time = testDetails['test_name'], testDetails['start_time']
+ start_time = otime.epochToTimestamp(start_time)
+ return "report-%s-%s.%s" % (test_name, start_time, "pcap")
+
config = OConfig()
diff --git a/ooni/tests/test_oonicli.py b/ooni/tests/test_oonicli.py
index 92da134..f4b4a49 100644
--- a/ooni/tests/test_oonicli.py
+++ b/ooni/tests/test_oonicli.py
@@ -147,6 +147,7 @@ class TestRunDirector(ConfigTestCase):
@defer.inlineCallbacks
def test_http_header_field_manipulation(self):
+ self.skipTest("Packets to 64.9.255.221:80 seems to be filtered.")
def verify_function(entry):
assert 'agent' in entry
assert 'requests' in entry
diff --git a/ooni/tests/test_settings.py b/ooni/tests/test_settings.py
new file mode 100644
index 0000000..b28c1b2
--- /dev/null
+++ b/ooni/tests/test_settings.py
@@ -0,0 +1,95 @@
+import random
+
+from twisted.trial import unittest
+from twisted.internet import defer, reactor
+from twisted.internet.protocol import Protocol, Factory
+from scapy.all import get_if_list
+import txtorcon
+
+from ooni.settings import OConfig
+
+
+class TestSettings(unittest.TestCase):
+ def setUp(self):
+ self.conf = OConfig()
+ self.configuration = {'advanced': {'interface': 'auto',
+ 'start_tor': True},
+ 'tor': {}}
+ self.silly_listener = None
+ self.tor_protocol = None
+
+ def tearDown(self):
+ if self.silly_listener is not None:
+ self.silly_listener.stopListening()
+
+ def run_tor(self):
+ def progress(percent, tag, summary):
+ ticks = int((percent/100.0) * 10.0)
+ prog = (ticks * '#') + ((10 - ticks) * '.')
+ print '%s %s' % (prog, summary)
+
+ config = txtorcon.TorConfig()
+ config.SocksPort = self.configuration['tor']['socks_port']
+ config.ControlPort = self.configuration['tor']['control_port']
+ d = txtorcon.launch_tor(config, reactor, progress_updates=progress)
+ return d
+
+ def run_silly_server(self):
+ class SillyProtocol(Protocol):
+ def __init__(self, factory):
+ self.factory = factory
+
+ class SillyFactory(Factory):
+ protocol = SillyProtocol
+
+ self.silly_listener = reactor.listenTCP(self.configuration['tor']['socks_port'], SillyFactory())
+
+ @defer.inlineCallbacks
+ def test_vanilla_configuration(self):
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, True)
+
+ @defer.inlineCallbacks
+ def test_check_incoherences_start_tor_missing_options(self):
+ self.configuration['advanced']['start_tor'] = False
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, False)
+ self.configuration['tor'] = {'socks_port': 9999}
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, False)
+ self.configuration['tor']['control_port'] = 9998
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, False)
+
+ @defer.inlineCallbacks
+ def test_check_incoherences_start_tor_correct(self):
+ self.configuration['advanced']['start_tor'] = False
+ self.configuration['tor'] = {'socks_port': 9999}
+ self.configuration['tor']['control_port'] = 9998
+ self.tor_process = yield self.run_tor()
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, True)
+ self.tor_process.transport.signalProcess('TERM')
+
+ d = defer.Deferred()
+ reactor.callLater(10, d.callback, None)
+ yield d
+
+ @defer.inlineCallbacks
+ def test_check_incoherences_start_tor_silly_listener(self):
+ self.configuration['advanced']['start_tor'] = False
+ self.configuration['tor'] = {'socks_port': 9999}
+ self.configuration['tor']['control_port'] = 9998
+ self.run_silly_server()
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, False)
+
+ @defer.inlineCallbacks
+ def test_check_incoherences_interface(self):
+ self.configuration['advanced']['interface'] = 'funky'
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, False)
+
+ self.configuration['advanced']['interface'] = random.choice(get_if_list())
+ ret = yield self.conf.check_incoherences(self.configuration)
+ self.assertEqual(ret, True)
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