def fight_thread(control):
el = ExitList(filename = config.export_file_prefix + ".csv",
status_filename = config.export_file_prefix + ".status")
log.info("Initialized exit list.")
dnsel = client.createResolver()
torbel = client.createResolver(servers = [("localhost", 53)])
log.info("Initialized resolvers.")
def makeResultChecker(router):
return lambda rlist: printResult(router, rlist)
def printResult((source, dest, dest_port, qstr, dnsel_ok2), result_list):
global match, mismatch
dnsel_ok = False
torbel_ok = False
torbel_el_ok = el.tor_exit_search(source, dest, dest_port) is not None
query = ""
for (success, value) in result_list:
if success:
(a_names, auth, cnames) = value
assert len(a_names) == 1
for rec in a_names:
dnsel_ok = dnsel_zone in str(rec.name)
torbel_ok = local_zone in str(rec.name)
q = "%-15s -> %-15s:%-5d - " % (IPAddress(source), IPAddress(dest), dest_port)
if dnsel_ok2 and torbel_el_ok:
log.info(q + "DNSEL and TorBEL agree on YES.")
match += 1
elif not (dnsel_ok2 or torbel_el_ok):
log.info(q + "DNSEL and TorBEL agree on NO.")
match += 1
else:
log.info(q + "mismatch: DNSEL = %s, TorBEL DNS = %s, TorBEL query = %s, q = %s",
"yes" if dnsel_ok2 else "no",
"yes" if torbel_ok else "no",
"yes" if torbel_el_ok else "no",
qstr)
mismatch += 1
def __init__(self, zone, filename, status, *args, **kwargs):
server.DNSServerFactory.__init__(self, *args, **kwargs)
self.el = ExitList(filename, status)
if self.el.stale:
log.info("Export %s likely stale.", filename)
# Set up updates.
nextUpdate = timegm(self.el.next_update.timetuple()) - time.time()
if nextUpdate > 0:
log.debug("Scheduling first update in %.1f seconds.", nextUpdate)
reactor.callLater(nextUpdate, self.update)
else:
log.notice("Export file is not up-to-date. Trying again in 10 minutes.")
reactor.callLater(10 * 60, self.update)
self.root = zone.split(".")
self.root_name = zone
class TorDNSServerFactory(server.DNSServerFactory):
def __init__(self, zone, filename, status, *args, **kwargs):
server.DNSServerFactory.__init__(self, *args, **kwargs)
self.el = ExitList(filename, status)
if self.el.stale:
log.info("Export %s likely stale.", filename)
# Set up updates.
nextUpdate = timegm(self.el.next_update.timetuple()) - time.time()
if nextUpdate > 0:
log.debug("Scheduling first update in %.1f seconds.", nextUpdate)
reactor.callLater(nextUpdate, self.update)
else:
log.notice("Export file is not up-to-date. Trying again in 10 minutes.")
reactor.callLater(10 * 60, self.update)
self.root = zone.split(".")
self.root_name = zone
def update(self):
next = self.el.update()
nextUpdate = timegm(next.timetuple()) - time.time()
if nextUpdate > 0:
log.info("ExitList updated. Next update in %.1f seconds.", nextUpdate)
reactor.callLater(nextUpdate, self.update)
else:
log.notice("Export file is not up-to-date. Trying again in 10 minutes.")
reactor.callLater(10 * 60, self.update)
def handleQuery(self, message, protocol, address):
query = message.queries[0]
ip, port = address
return self.lookup(ip, query, None).addCallback(
self.gotResolverResponse, protocol, message, address
).addErrback(
self.gotResolverError, protocol, message, address
)
def exit_search(self, name, dest_ip, dest_port, tor_ip):
log.debug("query tor IP %s, dest_ip %s, dest_port %d",
tor_ip, dest_ip, dest_port)
router = self.el.tor_exit_search(int(tor_ip), dest_ip, dest_port)
if router:
log.debug("Request for %s:%d matches router %s(%s).",
tor_ip, dest_port, router.idhex, router.nickname)
return ([dns.RRHeader(name, dns.A, dns.IN, config.ttl,
payload = dns.Record_A("127.0.0.2"),
auth = True)],
# Authority section
[dns.RRHeader(self.root_name, dns.NS, dns.IN, config.ttl,
payload = dns.Record_NS(self.root_name))],
# Additional section: give the router's idhex and nickname
# as CNAME records.
[dns.RRHeader(self.root_name, dns.CNAME, dns.IN, config.ttl,
payload = dns.Record_CNAME("id=" +router.idhex)),
dns.RRHeader(self.root_name, dns.CNAME, dns.IN, config.ttl,
payload = dns.Record_CNAME("nickname=" + router.nickname))]
)
raise nxdomain(name)
def lookup(self, address, query, timeout):
try:
return defer.succeed(self._lookup(address, query, timeout))
except error.DomainError, e:
return defer.fail(failure.Failure(e))
# Return NXDOMAIN on any parser failure.
except:
