def do_external_mode(args):
"""This function starts obfsproxy's external-mode functionality."""
assert (args)
assert (args.name)
assert (args.name in transports.transports)
from twisted.internet import reactor
pt_config = transport_config.TransportConfig()
pt_config.setStateLocation(args.data_dir)
pt_config.setListenerMode(args.mode)
pt_config.setObfsproxyMode("external")
if args.proxy: # Set outgoing proxy settings if we have them
proxy = parseProxyURI(args.proxy)
pt_config.setProxy(proxy)
# Run setup() method.
run_transport_setup(pt_config, args.name)
launch_transport.launch_transport_listener(args.name, args.listen_addr,
args.mode, args.dest, pt_config,
args.ext_cookie_file)
log.info("Launched '%s' listener at '%s:%s' for transport '%s'." % \
(args.mode, log.safe_addr_str(args.listen_addr[0]), args.listen_addr[1], args.name))
reactor.run()
def _build_transport_configuration(self, mode):
"""Configure transport as a managed transport."""
pt_config = transport_config.TransportConfig()
pt_config.setStateLocation(const.TEMP_DIR)
pt_config.setObfsproxyMode("managed")
pt_config.setListenerMode(mode)
return pt_config
def test3_get_public_server_options(self):
scramblesuit.ScrambleSuitTransport.setup(
transport_config.TransportConfig())
options = scramblesuit.ScrambleSuitTransport.get_public_server_options(
"")
self.failUnless("password" in options)
d = {"password": "******"}
options = scramblesuit.ScrambleSuitTransport.get_public_server_options(
d)
self.failUnless("password" in options)
self.failUnless(
options["password"] == "3X5BIA2MIHLZ55UV4VAEGKZIQPPZ4QT3")
def setUp(self):
config = transport_config.TransportConfig()
config.state_location = const.STATE_LOCATION
args = MockArgs()
suit = scramblesuit.ScrambleSuitTransport
suit.weAreServer = False
self.suit = suit
self.args = args
self.config = config
self.validSecret = base64.b32encode('A' * const.SHARED_SECRET_LENGTH)
self.invalidSecret = 'a' * const.SHARED_SECRET_LENGTH
def test3_get_public_server_options( self ):
transCfg = transport_config.TransportConfig()
transCfg.setStateLocation("/tmp")
transCfg.setBindAddr(("127.0.0.1", 1234))
scramblesuit.ScrambleSuitTransport.setup(transCfg)
options = scramblesuit.ScrambleSuitTransport.get_public_server_options("")
self.failUnless("password" in options)
d = { "password": "******" }
options = scramblesuit.ScrambleSuitTransport.get_public_server_options(d)
self.failUnless("password" in options)
self.failUnless(options["password"] == "3X5BIA2MIHLZ55UV4VAEGKZIQPPZ4QT3")
def setUp(self):
# Initialize transport object
pt_config = transport_config.TransportConfig()
pt_config.setListenerMode("server")
pt_config.setObfsproxyMode("external")
wfpad.WFPadClient.setup(pt_config)
wfpadClient = wfpad.WFPadClient()
# Create an instace of the shim
self.shimObs = wfpad_shim.WFPadShimObserver(wfpadClient)
# Open a few connections
self.shimObs.onConnect(1)
self.shimObs.onConnect(2)
self.shimObs.onConnect(3)
except EnvError, err:
log.warning("Server managed-proxy protocol failed (%s)." % err)
return
log.debug("pyptlib gave us the following data:\n'%s'",
pprint.pformat(ptserver.getDebugData()))
ext_orport = ptserver.config.getExtendedORPort()
authcookie = ptserver.config.getAuthCookieFile()
orport = ptserver.config.getORPort()
server_transport_options = ptserver.config.getServerTransportOptions()
for transport, transport_bindaddr in ptserver.getBindAddresses().items():
# Will hold configuration parameters for the pluggable transport module.
pt_config = transport_config.TransportConfig()
pt_config.setStateLocation(ptserver.config.getStateLocation())
if ext_orport:
pt_config.setListenerMode("ext_server")
else:
pt_config.setListenerMode("server")
pt_config.setObfsproxyMode("managed")
transport_options = ""
if server_transport_options and transport in server_transport_options:
transport_options = server_transport_options[transport]
pt_config.setServerTransportOptions(transport_options)
# Call setup() method for this tranpsort.
transport_class = transports.get_transport_class(transport, 'server')
try:
def do_managed_server():
"""Start the managed-proxy protocol as a server."""
should_start_event_loop = False
ptserver = ServerTransportPlugin()
try:
ptserver.init(transports.transports.keys())
except EnvError as err:
log.warning("Server managed-proxy protocol failed (%s)." % err)
return
log.debug("pyptlib gave us the following data:\n'%s'",
pprint.pformat(ptserver.getDebugData()))
ext_orport = ptserver.config.getExtendedORPort()
authcookie = ptserver.config.getAuthCookieFile()
orport = ptserver.config.getORPort()
server_transport_options = ptserver.config.getServerTransportOptions()
for transport, transport_bindaddr in ptserver.getBindAddresses().items():
# Will hold configuration parameters for the pluggable transport module.
pt_config = transport_config.TransportConfig()
pt_config.setStateLocation(ptserver.config.getStateLocation())
if ext_orport:
pt_config.setListenerMode("ext_server")
else:
pt_config.setListenerMode("server")
pt_config.setObfsproxyMode("managed")
transport_options = ""
if server_transport_options and transport in server_transport_options:
transport_options = server_transport_options[transport]
pt_config.setServerTransportOptions(transport_options)
# Call setup() method for this tranpsort.
transport_class = transports.get_transport_class(transport, 'server')
try:
transport_class.setup(pt_config)
except base.TransportSetupFailed as err:
log.warning("Transport '%s' failed during setup()." % transport)
ptserver.reportMethodError(transport,
"setup() failed: %s." % (err))
continue
try:
if ext_orport:
addrport = launch_transport.launch_transport_listener(
transport,
transport_bindaddr,
'ext_server',
ext_orport,
pt_config,
ext_or_cookie_file=authcookie)
else:
addrport = launch_transport.launch_transport_listener(
transport, transport_bindaddr, 'server', orport, pt_config)
except transports.TransportNotFound:
log.warning("Could not find transport '%s'" % transport)
ptserver.reportMethodError(transport, "Could not find transport.")
continue
except error.CannotListenError as e:
error_msg = "Could not set up listener (%s:%s) for '%s' (%s)." % \
(e.interface, e.port, transport, e.socketError[1])
log.warning(error_msg)
ptserver.reportMethodError(transport, error_msg)
continue
should_start_event_loop = True
extra_log = "" # Include server transport options in the log message if we got 'em
if transport_options:
extra_log = " (server transport options: '%s')" % str(
transport_options)
log.debug("Successfully launched '%s' at '%s'%s" %
(transport, log.safe_addr_str(str(addrport)), extra_log))
# Invoke the transport-specific get_public_server_options()
# method to potentially filter the server transport options
# that should be passed on to Tor and eventually to BridgeDB.
public_options_dict = transport_class.get_public_server_options(
transport_options)
public_options_str = None
# If the transport filtered its options:
if public_options_dict:
optlist = []
for k, v in public_options_dict.items():
optlist.append("%s=%s" % (k, v))
public_options_str = ",".join(optlist)
log.debug(
"do_managed_server: sending only public_options to tor: %s" %
public_options_str)
# Report success for this transport.
# If public_options_str is None then all of the
# transport options from ptserver are used instead.
ptserver.reportMethodSuccess(transport, addrport, public_options_str)
ptserver.reportMethodsEnd()
if should_start_event_loop:
log.info("Starting up the event loop.")
reactor.run()
else:
log.info("No transports launched. Nothing to do.")
def do_managed_client():
"""Start the managed-proxy protocol as a client."""
should_start_event_loop = False
ptclient = ClientTransportPlugin()
try:
ptclient.init(transports.transports.keys())
except EnvError as err:
log.warning("Client managed-proxy protocol failed (%s)." % err)
return
log.debug("pyptlib gave us the following data:\n'%s'", pprint.pformat(ptclient.getDebugData()))
# Apply the proxy settings if any
proxy = ptclient.config.getProxy()
if proxy:
# Make sure that we have all the necessary dependencies
try:
network.ensure_outgoing_proxy_dependencies()
except network.OutgoingProxyDepsFailure as err:
ptclient.reportProxyError(str(err))
return
ptclient.reportProxySuccess()
for transport in ptclient.getTransports():
# Will hold configuration parameters for the pluggable transport module.
pt_config = transport_config.TransportConfig()
pt_config.setStateLocation(ptclient.config.getStateLocation())
pt_config.setListenerMode("socks")
pt_config.setObfsproxyMode("managed")
pt_config.setProxy(proxy)
# Call setup() method for this transport.
transport_class = transports.get_transport_class(transport, 'socks')
try:
transport_class.setup(pt_config)
except base.TransportSetupFailed as err:
log.warning("Transport '%s' failed during setup()." % transport)
ptclient.reportMethodError(transport, "setup() failed: %s." % (err))
continue
try:
addrport = launch_transport.launch_transport_listener(transport, None, 'socks', None, pt_config)
except transports.TransportNotFound:
log.warning("Could not find transport '%s'" % transport)
ptclient.reportMethodError(transport, "Could not find transport.")
continue
except error.CannotListenError as e:
error_msg = "Could not set up listener (%s:%s) for '%s' (%s)." % \
(e.interface, e.port, transport, e.socketError[1])
log.warning(error_msg)
ptclient.reportMethodError(transport, error_msg)
continue
should_start_event_loop = True
log.debug("Successfully launched '%s' at '%s'" % (transport, log.safe_addr_str(str(addrport))))
ptclient.reportMethodSuccess(transport, "socks5", addrport, None, None)
ptclient.reportMethodsEnd()
if should_start_event_loop:
log.info("Starting up the event loop.")
reactor.run()
else:
log.info("No transports launched. Nothing to do.")
