commit 91450e00f3b3c506e2775a67fe3d30c29b719fd9 Author: Philipp Winter phw@nymity.ch Date: Fri May 29 13:58:17 2020 -0700

Add support for single onion services.

One can enable single onion services by passing the --single-onion flag to OnionPerf's measure mode. --- onionperf/docs/onionperf.rst | 5 +++++ onionperf/measurement.py | 23 ++++++++++++++++------- onionperf/onionperf | 29 +++++++++++++++++++++++++---- 3 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/onionperf/docs/onionperf.rst b/onionperf/docs/onionperf.rst index b16c79e..7ef6d62 100644 --- a/onionperf/docs/onionperf.rst +++ b/onionperf/docs/onionperf.rst @@ -128,6 +128,11 @@ Only download files through an Onion service (default: disabled) ::

Only download files through the Internet (default: disabled) ::

+ --single-onion + +Use a single Onion service, which uses a direct circuit between the Onion +service and the introduction and rendezvous point. :: + --torclient-conf-file FILE

Download files using specified configuration file for the Tor client (default: disabled) :: diff --git a/onionperf/measurement.py b/onionperf/measurement.py index 3da7445..cffcae1 100644 --- a/onionperf/measurement.py +++ b/onionperf/measurement.py @@ -177,7 +177,7 @@ class Measurement(object): self.torclient_conf_file = torclient_conf_file self.torserver_conf_file = torserver_conf_file

- def run(self, do_onion=True, do_inet=True, client_tgen_listen_port=58888, client_tgen_connect_ip='0.0.0.0', client_tgen_connect_port=8080, client_tor_ctl_port=59050, client_tor_socks_port=59000, + def run(self, do_onion=True, do_inet=True, single_onion=False, client_tgen_listen_port=58888, client_tgen_connect_ip='0.0.0.0', client_tgen_connect_port=8080, client_tor_ctl_port=59050, client_tor_socks_port=59000, server_tgen_listen_port=8080, server_tor_ctl_port=59051, server_tor_socks_port=59001): ''' only `server_tgen_listen_port` are "public" and need to be opened on the firewall. @@ -216,7 +216,14 @@ class Measurement(object):

if do_onion: logging.info("Onion Service private keys will be placed in {0}".format(self.privatedir_path)) - tor_writable, torctl_writable = self.__start_tor_server(server_tor_ctl_port, server_tor_socks_port, {client_tgen_connect_port:server_tgen_listen_port}) + # one must not have an open socks port when running a single + # onion service. see tor's man page for more information. + if single_onion: + server_tor_socks_port = 0 + tor_writable, torctl_writable = self.__start_tor_server(server_tor_ctl_port, + server_tor_socks_port, + single_onion, + {client_tgen_connect_port:server_tgen_listen_port}) general_writables.append(tor_writable) general_writables.append(torctl_writable)

@@ -344,7 +351,7 @@ class Measurement(object):

return tgen_writable

- def create_tor_config(self, control_port, socks_port, tor_datadir, name): + def create_tor_config(self, control_port, socks_port, tor_datadir, name, single_onion): """ This function generates a tor configuration based on a default template. This template is appended to any tor configuration inherited @@ -372,6 +379,8 @@ WarnUnsafeSocks 0\nSafeLogging 0\nMaxCircuitDirtiness 60 seconds\nDataDirectory tor_config += self.additional_client_conf if not 'UseEntryGuards' in tor_config and not 'UseBridges' in tor_config: tor_config += "UseEntryGuards 0" + if name == "server" and self.single_onion: + tor_config += "HiddenServiceSingleHopMode 1\nHiddenServiceNonAnonymousMode 1\n" return tor_config

def start_onion_service(self, @@ -409,16 +418,16 @@ WarnUnsafeSocks 0\nSafeLogging 0\nMaxCircuitDirtiness 60 seconds\nDataDirectory def __start_tor_client(self, control_port, socks_port): return self.__start_tor("client", control_port, socks_port)

- def __start_tor_server(self, control_port, socks_port, hs_port_mapping): - return self.__start_tor("server", control_port, socks_port, hs_port_mapping) + def __start_tor_server(self, control_port, socks_port, single_onion, hs_port_mapping): + return self.__start_tor("server", control_port, socks_port, single_onion, hs_port_mapping)

- def __start_tor(self, name, control_port, socks_port, hs_port_mapping=None): + def __start_tor(self, name, control_port, socks_port, single_onion=False, hs_port_mapping=None): logging.info("Starting Tor {0} process with ControlPort={1}, SocksPort={2}...".format(name, control_port, socks_port)) tor_datadir = "{0}/tor-{1}".format(self.datadir_path, name) key_path_v3 = "{0}/os_key_v3".format(self.privatedir_path)

if not os.path.exists(tor_datadir): os.makedirs(tor_datadir) - tor_config = self.create_tor_config(control_port,socks_port,tor_datadir,name) + tor_config = self.create_tor_config(control_port,socks_port,tor_datadir,name,single_onion)

tor_logpath = "{0}/onionperf.tor.log".format(tor_datadir) tor_writable = util.FileWritable(tor_logpath) diff --git a/onionperf/onionperf b/onionperf/onionperf index 74285d1..3b80eff 100755 --- a/onionperf/onionperf +++ b/onionperf/onionperf @@ -206,6 +206,11 @@ def main(): action="store_true", dest="inet_only", default=False)

+ measure_parser.add_argument('-s', '--single-onion', + help="""use a single onion service""", + action="store_true", dest="single_onion", + default=False) + measure_parser.add_argument('-n', '--nickname', help="""the 'SOURCE' STRING to use in measurement result files produced by OnionPerf""", metavar="STRING", type=str, @@ -339,10 +344,26 @@ def measure(args): server_tor_ctl_port = util.get_random_free_port() server_tor_socks_port = util.get_random_free_port()

- meas = Measurement(args.torpath, args.tgenpath, args.prefix, args.private_prefix, args.nickname, args.oneshot, args.additional_client_conf, args.torclient_conf_file, args.torserver_conf_file) - meas.run(do_onion=not args.inet_only, do_inet=not args.onion_only, - client_tgen_listen_port=client_tgen_port, client_tgen_connect_ip=client_connect_ip, client_tgen_connect_port=client_connect_port, client_tor_ctl_port=client_tor_ctl_port, client_tor_socks_port=client_tor_socks_port, - server_tgen_listen_port=server_tgen_port, server_tor_ctl_port=server_tor_ctl_port, server_tor_socks_port=server_tor_socks_port) + meas = Measurement(args.torpath, + args.tgenpath, + args.prefix, + args.private_prefix, + args.nickname, + args.oneshot, + args.additional_client_conf, + args.torclient_conf_file, + args.torserver_conf_file) + + meas.run(do_onion=not args.inet_only, + do_inet=not args.onion_only, + client_tgen_listen_port=client_tgen_port, + client_tgen_connect_ip=client_connect_ip, + client_tgen_connect_port=client_connect_port, + client_tor_ctl_port=client_tor_ctl_port, + client_tor_socks_port=client_tor_socks_port, + server_tgen_listen_port=server_tgen_port, + server_tor_ctl_port=server_tor_ctl_port, + server_tor_socks_port=server_tor_socks_port) else: logging.info("Please fix path errors to continue")