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[tor-commits] [ooni-probe/master] * Moved bootstrap and remove_public_relay functions to Tor utilities file.
commit efc1206e8a099e699996c3a45742d4f7500a714f
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date: Thu Sep 27 01:19:49 2012 +0000
* Moved bootstrap and remove_public_relay functions to Tor utilities file.
* Still sorting out the chainDeferred(defer.DeferredList(list)) problems.
---
ooni/plugins/bridget.py | 136 +++++++++++++++++------------------------------
ooni/utils/onion.py | 107 ++++++++++++++++++++++++++-----------
2 files changed, 123 insertions(+), 120 deletions(-)
diff --git a/ooni/plugins/bridget.py b/ooni/plugins/bridget.py
index 99a7d05..c749b90 100644
--- a/ooni/plugins/bridget.py
+++ b/ooni/plugins/bridget.py
@@ -279,8 +279,9 @@ class BridgetTest(OONITest):
in Bridget it doesn't, so it should be ignored and avoided.
"""
try:
- from ooni.utils.process import singleton_semaphore
- from ooni.utils.onion import start_tor, setup_done, setup_fail
+ from ooni.utils import process
+ from ooni.utils.onion import start_tor, remove_public_relays
+ from ooni.utils.onion import setup_done, setup_fail
from ooni.utils.onion import CustomCircuit
from ooni.lib.txtorcon import TorConfig, TorState
except ImportError:
@@ -289,18 +290,6 @@ class BridgetTest(OONITest):
log.err(tie)
sys.exit()
- '''
- ## XXX qu'est-que fuck? ou est utiliser ce fonction?
- def bootstrap(ctrl):
- """
- Launch a Tor process with the TorConfig instance returned from
- initialize() and write_torrc().
- """
- conf = TorConfig(ctrl)
- conf.post_bootstrap.addCallback(setup_done).addErrback(setup_fail)
- log.msg("Tor process connected, bootstrapping ...")
- '''
-
@defer.inlineCallbacks
def reconfigure_bridge(state, bridge, use_pt=False, pt_type=None):
"""
@@ -312,7 +301,7 @@ class BridgetTest(OONITest):
log.msg("Current Bridge: %s" % bridge)
try:
if use_pt is False:
- reset_tor = yield state.protocol.set_conf('Bridge',
+ reset_tor = yield state.protocol.set_conf('Bridge',
bridge)
elif use_pt and pt_type is not None:
reset_tor = yield state.protocol.set_conf(
@@ -331,62 +320,29 @@ class BridgetTest(OONITest):
#if not controller_response:
# defer.returnValue((state.callback, None))
#else:
- # defer.returnValue((state.callback, controller_response))
+ # defer.returnValue((state.callback, controller_response))
if controller_response == 'OK':
defer.returnValue((state, controller_response))
else:
log.msg("TorControlProtocol responded with error:\n%s"
% controller_response)
defer.returnValue((state.callback, None))
-
+
except Exception, e:
log.msg("Reconfiguring torrc with Bridge line %s failed:\n%s"
% (bridge, e))
defer.returnValue((state.callback, e))
- def reconfigure_done(response, bridge, reachable):
+ def reconfigure_done(state, bridge, reachable):
log.msg("Reconfiguring with 'Bridge %s' successful" % bridge)
reachable.append(bridge)
+ return state
- def reconfigure_fail(response, bridge, unreachable):
+ def reconfigure_fail(state, bridge, unreachable):
log.msg("Reconfiguring TorConfig with parameters %s failed"
% state)
unreachable.append(bridge)
-
- @defer.inlineCallbacks
- def remove_public_relays(state, bridges):
- """
- Remove bridges from our bridge list which are also listed as
- public relays.
- """
- IPs = map(lambda addr: addr.split(':',1)[0], bridges)
- both = set(state.routers.values()).intersection(IPs)
-
- def __remove_line__(node, bridges=bridges):
- for line in bridges:
- if line.startswith(node):
- try:
- log.msg("Removing %s because it is a public relay"
- % node)
- bridges.remove(line)
- except ValueError, ve:
- log.debug(ve)
-
- if len(both) > 0:
- try:
- updated = yield map(lambda node:
- __remove_line__(node), both)
- if not updated:
- ## XXX do these need to be state.callback?
- defer.returnValue(state)
- else:
- defer.returnValue(state)
- except Exception, e:
- log.msg("Removing public relays from bridge list failed:\n%s"
- % both)
- log.err(e)
- except ValueError, ve:
- log.err(ve)
+ return state
def attacher_extend_circuit(attacher, deferred, router):
## XXX todo write me
@@ -417,54 +373,58 @@ class BridgetTest(OONITest):
log.err("Attaching custom circuit builder failed: %s" % state)
+ ## Start the experiment
log.msg("Bridget: initiating test ... ")
- x = defer.Deferred
-
- if self.bridges_remaining() > 0 and not 'Bridge' in self.config.config:
- self.config.Bridge = self.bridges.pop()
-
- ## Necessary for avoiding starting several processes:
- self.config.save()
+ all_of_the_bridges = self.bridges
+ all_of_the_relays = self.relays ## Local copy of orginal lists
+
+ if self.bridges_remaining() >= 1 and not 'Bridge' in self.config.config:
+ ## XXX we should do self.bridges[0] + self.bridges[1:]
+ initial_bridge = all_of_the_bridges.pop()
+ self.config.Bridge = initial_bridge
+ self.config.save() ## avoid starting several processes
assert self.config.config.has_key('Bridge'), "NO BRIDGE"
- tor = start_tor(self.reactor,
- self.config,
- self.control_port,
- self.tor_binary,
- self.data_directory).addCallback(
- setup_done).addErrback(
- setup_fail)
- self.tor_process_semaphore = True
+ state = start_tor(self.reactor, self.config,
+ self.control_port, self.tor_binary,
+ self.data_directory).addCallbacks(
+ setup_done,
+ errback=setup_fail)
+ state.addCallback(remove_public_relays,
+ self.bridges)
- run_once = x().addCallback(singleton_semaphore, tor)
- run_once.addErrback(setup_fail)
+ #controller = singleton_semaphore(bootstrap)
+ #controller = x().addCallback(singleton_semaphore, tor)
+ #controller.addErrback(setup_fail)
- filter_bridges = x().addCallback(remove_public_relays, self.bridges)
+ #filter_bridges = remove_public_relays(self.bridges)
- state = defer.gatherResults([run_once, filter_bridges], consumeErrors=True)
+ #bootstrap = defer.gatherResults([controller, filter_bridges],
+ # consumeErrors=True)
log.debug("Current callbacks on TorState():\n%s" % state.callbacks)
+ log.debug("TorState():\n%s" % state)
if self.bridges_remaining() > 0:
all = []
for bridge in self.bridges:
- self.current_bridge = bridge
- log.msg("We now have %d untested bridges..."
- % self.bridges_remaining())
- reconf = x().addCallback(reconfigure_bridge, state,
- self.current_bridge,
- self.use_pt,
- self.pt_type)
- reconf.addCallback(reconfigure_done, self.current_bridge,
- self.bridges_up)
- reconf.addErrback(reconfigure_fail, self.current_bridge,
- self.bridges_down)
- all.append(reconf)
+ #self.current_bridge = bridge
+ new = defer.Deferred()
+ new.addCallback(reconfigure_bridge, state, bridge,
+ self.bridges_remaining(),
+ self.bridges_up,
+ self.bridges_down,
+ use_pt=self.use_pt,
+ pt_type=self.pt_type)
+ all.append(new)
#state.chainDeferred(defer.DeferredList(all))
#state.chainDeferred(defer.gatherResults(all, consumeErrors=True))
- n_plus_one_bridges = defer.gatherResults(all, consumeErrors=True)
- state.chainDeferred(n_plus_one_bridges)
- log.debug("Current callbacks on TorState():\n%s" % state.callbacks)
+ check_remaining = defer.DeferredList(all, consumeErrors=True)
+
+ #controller.chainDeferred(check_remaining)
+ #log.debug("Current callbacks on TorState():\n%s"
+ # % controller.callbacks)
+ state.chainDeferred(check_remaining)
if self.relays_remaining() > 0:
while self.relays_remaining() >= 3:
diff --git a/ooni/utils/onion.py b/ooni/utils/onion.py
index 81e4ea3..82f013f 100644
--- a/ooni/utils/onion.py
+++ b/ooni/utils/onion.py
@@ -13,6 +13,7 @@
# :copyright: copyright (c) 2012 The Tor Project, Inc.
# :version: 0.1.0-alpha
#
+# XXX TODO add report keys for onion methods
import random
@@ -31,25 +32,32 @@ def setup_done(proto):
def setup_fail(proto):
log.err("Setup Failed: %s" % proto)
- report.update({'setup_fail': proto})
+ #report.update({'setup_fail': proto})
reactor.stop()
def state_complete(state):
"""Called when we've got a TorState."""
log.msg("We've completely booted up a Tor version %s at PID %d"
% (state.protocol.version, state.tor_pid))
-
log.msg("This Tor has the following %d Circuits:"
% len(state.circuits))
for circ in state.circuits.values():
log.msg("%s" % circ)
-
- #return state
+ return state
def updates(_progress, _tag, _summary):
"""Log updates on the Tor bootstrapping process."""
log.msg("%d%%: %s" % (_progress, _summary))
+def bootstrap(ctrl):
+ """
+ Bootstrap Tor from an instance of
+ :class:`ooni.lib.txtorcon.TorControlProtocol`.
+ """
+ conf = TorConfig(ctrl)
+ conf.post_bootstrap.addCallback(setup_done).addErrback(setup_fail)
+ log.msg("Tor process connected, bootstrapping ...")
+
def parse_data_dir(data_dir):
"""
Parse a string that a has been given as a DataDirectory and determine
@@ -124,7 +132,46 @@ def delete_files_or_dirs(delete_list):
except OSError:
rmtree(temp, ignore_errors=True)
+def remove_node_from_list(node, list):
+ for item in list: ## bridges don't match completely
+ if item.startswith(node): ## due to the :<port>.
+ try:
+ log.msg("Removing %s because it is a public relay" % node)
+ list.remove(line)
+ except ValueError, ve:
+ log.err(ve)
+
@defer.inlineCallbacks
+def remove_public_relays(state, bridges):
+ """
+ Remove bridges from our bridge list which are also listed as public
+ relays. This must be called after Tor has fully bootstrapped and we have a
+ :class:`ooni.lib.txtorcon.TorState` with the
+ :attr:`ooni.lib.txtorcon.TorState.routers` attribute assigned.
+
+ XXX Does state.router.values() have all of the relays in the consensus, or
+ just the ones we know about so far?
+ """
+ IPs = map(lambda addr: addr.split(':',1)[0], bridges)
+ both = set(state.routers.values()).intersection(IPs)
+
+ if len(both) > 0:
+ try:
+ updated = yield map(lambda node: remove_node_from_list(node),
+ both)
+ if not updated:
+ ## XXX do these need to be state.callback?
+ defer.returnValue(state)
+ else:
+ defer.returnValue(state)
+ except Exception, e:
+ log.msg("Removing public relays from bridge list failed:\n%s"
+ % both)
+ log.err(e)
+ except ValueError, ve:
+ log.err(ve)
+
+#@defer.inlineCallbacks
def start_tor(reactor, config, control_port, tor_binary, data_dir,
report=None, progress=updates, process_cb=setup_done,
process_eb=setup_fail):
@@ -193,39 +240,35 @@ def start_tor(reactor, config, control_port, tor_binary, data_dir,
reactor.addSystemEventTrigger('before', 'shutdown',
partial(delete_files_or_dirs, to_delete))
+ #try:
+ # transport = yield reactor.spawnProcess(process_protocol,
+ # tor_binary,
+ # args=(tor_binary,'-f',torrc),
+ # env={'HOME': data_dir},
+ # path=data_dir)
+ # if transport:
+ # transport.closeStdin()
+ #except RuntimeError as e:
+ # log.err("Starting Tor failed: %s" % e)
+ # process_protocol.connected_cb.errback(e)
+ #except NotImplementedError, e:
+ # url = "http://starship.python.net/crew/mhammond/win32/Downloads.html";
+ # log.err("Running bridget on Windows requires pywin32: %s" % url)
+ # process_protocol.connected_cb.errback(e)
try:
- transport = yield reactor.spawnProcess(process_protocol,
- tor_binary,
- args=(tor_binary,'-f',torrc),
- env={'HOME': data_dir},
- path=data_dir)
- if transport:
- transport.closeStdin()
- except RuntimeError as e:
- log.err("Starting Tor failed: %s" % e)
- process_protocol.connected_cb.errback(e)
- except NotImplementedError, e:
- url = "http://starship.python.net/crew/mhammond/win32/Downloads.html";
- log.err("Running bridget on Windows requires pywin32: %s" % url)
+ transport = reactor.spawnProcess(process_protocol,
+ tor_binary,
+ args=(tor_binary,'-f',torrc),
+ path=data_dir)
+ transport.closeStdin()
+ except RuntimeError, e:
+ log.err(e)
process_protocol.connected_cb.errback(e)
- #proc_proto = process_protocol.connected_cb
- #proc_proto.addCallback(process_cb)
- #proc_proto.addErrback(process_eb)
- #
- #d = yield process_protocol.connected_cb.addCallback(
- # process_cb).addErrback(
- # process_eb)
+ return process_protocol.connected_cb
+
#d = yield process_protocol.connected_cb
- #d.addCallback(process_cb)
- #d.addErrback(process_eb)
- #
#defer.returnValue(d)
-
- d = yield process_protocol.connected_cb
- defer.returnValue(d)
-
- #return process_protocol.connected_cb.addCallback(process_cb).addErrback(process_eb)
class CustomCircuit(CircuitListenerMixin):
implements(IStreamAttacher)
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