break
wire = answer.to_wire()
- conn.send(struct.pack("!H", len(wire)))
+ lenprefix = struct.pack("!H", len(wire))
+
+ for b in lenprefix:
+ conn.send(bytes([b]))
+ time.sleep(0.5)
+
conn.send(wire)
self._currentSerial = serial
break
log-rpz-changes=yes
""" % (_confdir, _wsPort, _wsPassword, _apiKey)
- def checkBlocked(self, name, shouldBeBlocked=True, adQuery=False, singleCheck=False):
+ def assertAdditionalHasSOA(self, msg):
+ if not isinstance(msg, dns.message.Message):
+ raise TypeError("msg is not a dns.message.Message but a %s" % type(msg))
+
+ found = False
+ for rrset in msg.additional:
+ if rrset.rdtype == dns.rdatatype.SOA:
+ found = True
+ break
+
+ if not found:
+ raise AssertionError("No SOA record found in the authority section:\n%s" % msg.to_text())
+
+ def checkBlocked(self, name, shouldBeBlocked=True, adQuery=False, singleCheck=False, soa=False):
query = dns.message.make_query(name, 'A', want_dnssec=True)
query.flags |= dns.flags.CD
if adQuery:
expected = dns.rrset.from_text(name, 0, dns.rdataclass.IN, 'A', '192.0.2.42')
self.assertRRsetInAnswer(res, expected)
+ if soa:
+ self.assertAdditionalHasSOA(res)
if singleCheck:
break
def checkNotBlocked(self, name, adQuery=False, singleCheck=False):
self.checkBlocked(name, False, adQuery, singleCheck)
- def checkCustom(self, qname, qtype, expected):
+ def checkCustom(self, qname, qtype, expected, soa=False):
query = dns.message.make_query(qname, qtype, want_dnssec=True)
query.flags |= dns.flags.CD
for method in ("sendUDPQuery", "sendTCPQuery"):
res = sender(query)
self.assertRcodeEqual(res, dns.rcode.NOERROR)
self.assertRRsetInAnswer(res, expected)
+ if soa:
+ self.assertAdditionalHasSOA(res)
- def checkNoData(self, qname, qtype):
+ def checkNoData(self, qname, qtype, soa=False):
query = dns.message.make_query(qname, qtype, want_dnssec=True)
query.flags |= dns.flags.CD
for method in ("sendUDPQuery", "sendTCPQuery"):
res = sender(query)
self.assertRcodeEqual(res, dns.rcode.NOERROR)
self.assertEqual(len(res.answer), 0)
+ if soa:
+ self.assertAdditionalHasSOA(res)
def checkNXD(self, qname, qtype='A'):
query = dns.message.make_query(qname, qtype, want_dnssec=True)
self.assertEqual(len(res.answer), 0)
self.assertEqual(len(res.authority), 1)
- def checkTruncated(self, qname, qtype='A'):
+ def checkTruncated(self, qname, qtype='A', soa=False):
query = dns.message.make_query(qname, qtype, want_dnssec=True)
query.flags |= dns.flags.CD
res = self.sendUDPQuery(query)
self.assertMessageHasFlags(res, ['QR', 'RA', 'RD', 'CD', 'TC'])
self.assertEqual(len(res.answer), 0)
self.assertEqual(len(res.authority), 0)
- self.assertEqual(len(res.additional), 0)
+ if soa:
+ self.assertAdditionalHasSOA(res)
res = self.sendTCPQuery(query)
self.assertRcodeEqual(res, dns.rcode.NXDOMAIN)
global rpzServerPort
_lua_config_file = """
-- The first server is a bogus one, to test that we correctly fail over to the second one
- rpzMaster({'127.0.0.1:9999', '127.0.0.1:%d'}, 'zone.rpz.', { refresh=1 })
+ rpzMaster({'127.0.0.1:9999', '127.0.0.1:%d'}, 'zone.rpz.', { refresh=1, includeSOA=true})
""" % (rpzServerPort)
_confdir = 'RPZXFR'
_wsPort = 8042
webserver-address=127.0.0.1
webserver-password=%s
api-key=%s
+disable-packetcache
""" % (_confdir, _wsPort, _wsPassword, _apiKey)
_xfrDone = 0
raise AssertionError("Waited %d seconds for the serial to be updated to %d but the serial is still %d" % (timeout, serial, currentSerial))
def testRPZ(self):
+ self.waitForTCPSocket("127.0.0.1", self._wsPort)
# first zone, only a should be blocked
self.waitUntilCorrectSerialIsLoaded(1)
self.checkRPZStats(1, 1, 1, self._xfrDone)
- self.checkBlocked('a.example.')
+ self.checkBlocked('a.example.', soa=True)
self.checkNotBlocked('b.example.')
self.checkNotBlocked('c.example.')
# second zone, a and b should be blocked
self.waitUntilCorrectSerialIsLoaded(2)
self.checkRPZStats(2, 2, 1, self._xfrDone)
- self.checkBlocked('a.example.')
- self.checkBlocked('b.example.')
+ self.checkBlocked('a.example.', soa=True)
+ self.checkBlocked('b.example.', soa=True)
self.checkNotBlocked('c.example.')
# third zone, only b should be blocked
self.waitUntilCorrectSerialIsLoaded(3)
self.checkRPZStats(3, 1, 1, self._xfrDone)
self.checkNotBlocked('a.example.')
- self.checkBlocked('b.example.')
+ self.checkBlocked('b.example.', soa=True)
self.checkNotBlocked('c.example.')
# fourth zone, only c should be blocked
self.checkRPZStats(4, 1, 1, self._xfrDone)
self.checkNotBlocked('a.example.')
self.checkNotBlocked('b.example.')
- self.checkBlocked('c.example.')
+ self.checkBlocked('c.example.', soa=True)
# fifth zone, we should get a full AXFR this time, and only d should be blocked
self.waitUntilCorrectSerialIsLoaded(5)
self.checkNotBlocked('a.example.')
self.checkNotBlocked('b.example.')
self.checkNotBlocked('c.example.')
- self.checkBlocked('d.example.')
+ self.checkBlocked('d.example.', soa=True)
# sixth zone, only e should be blocked, f is a local data record
self.waitUntilCorrectSerialIsLoaded(6)
self.checkNotBlocked('b.example.')
self.checkNotBlocked('c.example.')
self.checkNotBlocked('d.example.')
- self.checkCustom('e.example.', 'A', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.1', '192.0.2.2'))
+ self.checkCustom('e.example.', 'A', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.1', '192.0.2.2'), soa=True)
self.checkCustom('e.example.', 'MX', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'MX', '10 mx.example.'))
- self.checkNoData('e.example.', 'AAAA')
- self.checkCustom('f.example.', 'A', dns.rrset.from_text('f.example.', 0, dns.rdataclass.IN, 'CNAME', 'e.example.'))
+ self.checkNoData('e.example.', 'AAAA', soa=True)
+ self.checkCustom('f.example.', 'A', dns.rrset.from_text('f.example.', 0, dns.rdataclass.IN, 'CNAME', 'e.example.'), soa=True)
# seventh zone, e should only have one A
self.waitUntilCorrectSerialIsLoaded(7)
self.checkNotBlocked('b.example.')
self.checkNotBlocked('c.example.')
self.checkNotBlocked('d.example.')
- self.checkCustom('e.example.', 'A', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.2'))
- self.checkCustom('e.example.', 'MX', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'MX', '10 mx.example.'))
- self.checkNoData('e.example.', 'AAAA')
- self.checkCustom('f.example.', 'A', dns.rrset.from_text('f.example.', 0, dns.rdataclass.IN, 'CNAME', 'e.example.'))
+ self.checkCustom('e.example.', 'A', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.2'), soa=True)
+ self.checkCustom('e.example.', 'MX', dns.rrset.from_text('e.example.', 0, dns.rdataclass.IN, 'MX', '10 mx.example.'), soa=True)
+ self.checkNoData('e.example.', 'AAAA', soa=True)
+ self.checkCustom('f.example.', 'A', dns.rrset.from_text('f.example.', 0, dns.rdataclass.IN, 'CNAME', 'e.example.'), soa=True)
# check that the policy is disabled for AD=1 queries
self.checkNotBlocked('e.example.', True)
# check non-custom policies
- self.checkTruncated('tc.example.')
+ self.checkTruncated('tc.example.', soa=True)
self.checkDropped('drop.example.')
# eighth zone, all entries should be gone
self.checkNotBlocked('c.example.')
self.checkNotBlocked('d.example.')
self.checkNotBlocked('e.example.')
- self.checkBlocked('f.example.')
+ self.checkBlocked('f.example.', soa=True)
self.checkNXD('tc.example.')
self.checkNXD('drop.example.')
self.checkNotBlocked('d.example.')
self.checkNotBlocked('e.example.')
self.checkNXD('f.example.')
- self.checkBlocked('g.example.')
+ self.checkBlocked('g.example.', soa=True)
self.checkNXD('tc.example.')
self.checkNXD('drop.example.')
_confdir = 'RPZFile'
_lua_config_file = """
- rpzFile('configs/%s/zone.rpz', { policyName="zone.rpz." })
+ rpzFile('configs/%s/zone.rpz', { policyName="zone.rpz.", includeSOA=true })
""" % (_confdir)
_config_template = """
auth-zones=example=configs/%s/example.zone
def testRPZ(self):
self.checkCustom('a.example.', 'A', dns.rrset.from_text('a.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.42', '192.0.2.43'))
self.checkCustom('a.example.', 'TXT', dns.rrset.from_text('a.example.', 0, dns.rdataclass.IN, 'TXT', '"some text"'))
- self.checkBlocked('z.example.')
+ self.checkBlocked('z.example.', soa=True)
self.checkNotBlocked('b.example.')
self.checkNotBlocked('c.example.')
self.checkNotBlocked('d.example.')
# check that the policy is disabled for AD=1 queries
self.checkNotBlocked('z.example.', True)
# check non-custom policies
- self.checkTruncated('tc.example.')
+ self.checkTruncated('tc.example.', soa=True)
self.checkDropped('drop.example.')
class RPZFileDefaultPolRecursorTest(RPZRecursorTest):
self.assertEqual(len(res.answer), 3)
self.assertRRsetInAnswer(res, dns.rrset.from_text('cname-custom-a.example.', 0, dns.rdataclass.IN, 'CNAME', 'cname-custom-a-target.example.'))
self.assertRRsetInAnswer(res, dns.rrset.from_text('cname-custom-a-target.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.103'))
+
+class RPZFileModByLuaRecursorTest(RPZRecursorTest):
+ """
+ This test makes sure that we correctly load RPZ zones from a file while being modified by Lua callbacks
+ """
+
+ _confdir = 'RPZFileModByLua'
+ _lua_dns_script_file = """
+ function preresolve(dq)
+ if dq.qname:equal('zmod.example.') then
+ dq.appliedPolicy.policyKind = pdns.policykinds.Drop
+ return true
+ end
+ return false
+ end
+ function nxdomain(dq)
+ if dq.qname:equal('nxmod.example.') then
+ dq.appliedPolicy.policyKind = pdns.policykinds.Drop
+ return true
+ end
+ return false
+ end
+ function nodata(dq)
+ print("NODATA")
+ if dq.qname:equal('nodatamod.example.') then
+ dq.appliedPolicy.policyKind = pdns.policykinds.Drop
+ return true
+ end
+ return false
+ end
+ """
+ _lua_config_file = """
+ rpzFile('configs/%s/zone.rpz', { policyName="zone.rpz." })
+ """ % (_confdir)
+ _config_template = """
+auth-zones=example=configs/%s/example.zone
+""" % (_confdir)
+
+ @classmethod
+ def generateRecursorConfig(cls, confdir):
+ authzonepath = os.path.join(confdir, 'example.zone')
+ with open(authzonepath, 'w') as authzone:
+ authzone.write("""$ORIGIN example.
+@ 3600 IN SOA {soa}
+a 3600 IN A 192.0.2.42
+b 3600 IN A 192.0.2.42
+c 3600 IN A 192.0.2.42
+d 3600 IN A 192.0.2.42
+e 3600 IN A 192.0.2.42
+z 3600 IN A 192.0.2.42
+""".format(soa=cls._SOA))
+
+ rpzFilePath = os.path.join(confdir, 'zone.rpz')
+ with open(rpzFilePath, 'w') as rpzZone:
+ rpzZone.write("""$ORIGIN zone.rpz.
+@ 3600 IN SOA {soa}
+a.example.zone.rpz. 60 IN A 192.0.2.42
+a.example.zone.rpz. 60 IN A 192.0.2.43
+a.example.zone.rpz. 60 IN TXT "some text"
+drop.example.zone.rpz. 60 IN CNAME rpz-drop.
+zmod.example.zone.rpz. 60 IN A 192.0.2.1
+tc.example.zone.rpz. 60 IN CNAME rpz-tcp-only.
+nxmod.exmaple.zone.rpz. 60 in CNAME .
+nodatamod.example.zone.rpz. 60 in CNAME *.
+""".format(soa=cls._SOA))
+ super(RPZFileModByLuaRecursorTest, cls).generateRecursorConfig(confdir)
+
+ def testRPZ(self):
+ self.checkCustom('a.example.', 'A', dns.rrset.from_text('a.example.', 0, dns.rdataclass.IN, 'A', '192.0.2.42', '192.0.2.43'))
+ self.checkCustom('a.example.', 'TXT', dns.rrset.from_text('a.example.', 0, dns.rdataclass.IN, 'TXT', '"some text"'))
+ self.checkDropped('zmod.example.')
+ self.checkDropped('nxmod.example.')
+ self.checkDropped('nodatamod.example.')
+ self.checkNotBlocked('b.example.')
+ self.checkNotBlocked('c.example.')
+ self.checkNotBlocked('d.example.')
+ self.checkNotBlocked('e.example.')
+ # check non-custom policies
+ self.checkTruncated('tc.example.')
+ self.checkDropped('drop.example.')