class TestConntrack(TestCase): def setUp(self): self.dst_host = socket.gethostbyname(HOST) self.config = NuauthConf() self.acls = PlaintextAcl() self.acls.addAclFull("web", self.dst_host, VALID_PORT, USERDB[0].gid, 1, period='10 secs' ) self.acls.install(self.config) self.period = PlainPeriodXML() self.period.addPeriod(Period("10 secs", duration = 10)) self.period.install(self.config) self.users = USERDB self.users.install(self.config) self.nuauth = Nuauth(self.config) self.nufw = startNufw() self.iptables = Iptables() self.iptables.flush() self.iptables.command('-I OUTPUT -d %s -p tcp --dport 80 --syn -m state --state NEW -j NFQUEUE' % self.dst_host) self.iptables.command('-I OUTPUT -d %s -p tcp --dport 80 ! --syn -m state --state NEW -j DROP' % self.dst_host) def tearDown(self): self.nuauth.stop() self.users.desinstall() self.acls.desinstall() self.period.desinstall() def testConnShutdown(self): user = USERDB[0] client = user.createClient() self.assert_(connectClient(client)) start = time.time() conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM) conn.connect((self.dst_host, VALID_PORT)) src_port = conn.getsockname()[1] ct_before = len(get_conntrack_conn(src_port, self.dst_host, VALID_PORT)) ## Check that only one connection is opened to self.assert_(ct_before == 1) ## The connection should be killed 10 seconds after being opened time.sleep(15) ## Check that only one connection is opened to ct_after = len(get_conntrack_conn(src_port, self.dst_host, VALID_PORT)) self.assert_(ct_after == 0) conn.close() client.stop()
class TestConntrack(TestCase): def setUp(self): self.dst_host = socket.gethostbyname(HOST) self.config = NuauthConf() self.acls = PlaintextAcl() self.acls.addAclFull("web", self.dst_host, VALID_PORT, USERDB[0].gid, 1, period="10 secs") self.acls.install(self.config) self.period = PlainPeriodXML() self.period.addPeriod(Period("10 secs", duration=10)) self.period.install(self.config) self.users = USERDB self.users.install(self.config) self.nuauth = Nuauth(self.config) self.nufw = startNufw() self.iptables = Iptables() self.iptables.flush() self.iptables.command("-I OUTPUT -d %s -p tcp --dport 80 --syn -m state --state NEW -j NFQUEUE" % self.dst_host) self.iptables.command("-I OUTPUT -d %s -p tcp --dport 80 ! --syn -m state --state NEW -j DROP" % self.dst_host) def tearDown(self): self.nuauth.stop() self.users.desinstall() self.acls.desinstall() self.period.desinstall() def testConnShutdown(self): user = USERDB[0] client = user.createClient() self.assert_(connectClient(client)) start = time.time() conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM) conn.connect((self.dst_host, VALID_PORT)) src_port = conn.getsockname()[1] ct_before = len(get_conntrack_conn(src_port, self.dst_host, VALID_PORT)) ## Check that only one connection is opened to self.assert_(ct_before == 1) ## The connection should be killed 10 seconds after being opened time.sleep(15) ## Check that only one connection is opened to ct_after = len(get_conntrack_conn(src_port, self.dst_host, VALID_PORT)) self.assert_(ct_after == 0) conn.close() client.stop()
class TestClientAuth(TestCase): def setUp(self): self.port = VALID_PORT self.mark = 1 self.shift = 8 config = NuauthConf() # Userdb self.user = PlaintextUser("guest", "nopassword", 42, 42) self.userdb = PlaintextUserDB() self.userdb.addUser(self.user) self.userdb.install(config) self.acls = PlaintextAcl() self.acls.addAcl("port", self.port, self.user.gid, flags=(self.mark << self.shift)) self.acls.install(config) # Load nuauth config["nuauth_finalize_packet_module"] = '"mark_flag"' config["mark_flag_mark_shift"] = 0 config["mark_flag_flag_shift"] = self.shift config["mark_flag_nbits"] = 16 self.nuauth = Nuauth(config) self.iptables = Iptables() self.nufw = startNufw(["-m"]) self.client = self.user.createClientWithCerts() def tearDown(self): self.acls.desinstall() self.userdb.desinstall() self.client.stop() self.nuauth.stop() self.iptables.flush() def testValid(self): # Connect client and filter port self.assert_(connectClient(self.client)) self.iptables.filterTcp(self.port) # Test connection without QoS (accept) self.assertEqual(connectTcp(HOST, self.port, TIMEOUT), True) # Test connection with QoS (drop) self.iptables.command( "-A POSTROUTING -t mangle -m mark --mark %s -j DROP" % self.mark) self.assertEqual(connectTcp(HOST, self.port, TIMEOUT), False)
class TestSYNACKignore(TestCase): def setUp(self): self.iptables = Iptables() self.iptables.command('-A OUTPUT -p tcp --sport %u -d %s --tcp-flags SYN,ACK SYN,ACK -j NFQUEUE' % (VALID_PORT, HOST)) config = NuauthConf() self.nuauth = Nuauth(config) self.nufw = startNufw() def tearDown(self): self.nuauth.stop() self.iptables.flush() def testsynack(self): # Create socket self.assertEqual(connectTcp(HOST, VALID_PORT, TIMEOUT), True)
class TestClientAuth(TestCase): def setUp(self): self.port = VALID_PORT self.mark = 1 self.shift = 8 config = NuauthConf() # Userdb self.user = PlaintextUser("guest", "nopassword", 42, 42) self.userdb = PlaintextUserDB() self.userdb.addUser(self.user) self.userdb.install(config) self.acls = PlaintextAcl() self.acls.addAcl("port", self.port, self.user.gid, flags=(self.mark << self.shift)) self.acls.install(config) # Load nuauth config["nuauth_finalize_packet_module"] = '"mark_flag"' config["mark_flag_mark_shift"] = 0 config["mark_flag_flag_shift"] = self.shift config["mark_flag_nbits"] = 16 self.nuauth = Nuauth(config) self.iptables = Iptables() self.nufw = startNufw(["-m"]) self.client = self.user.createClientWithCerts() def tearDown(self): self.acls.desinstall() self.userdb.desinstall() self.client.stop() self.nuauth.stop() self.iptables.flush() def testValid(self): # Connect client and filter port self.assert_(connectClient(self.client)) self.iptables.filterTcp(self.port) # Test connection without QoS (accept) self.assertEqual(connectTcp(HOST, self.port, TIMEOUT), True) # Test connection with QoS (drop) self.iptables.command("-A POSTROUTING -t mangle -m mark --mark %s -j DROP" % self.mark) self.assertEqual(connectTcp(HOST, self.port, TIMEOUT), False)
class TestSYNACKignore(TestCase): def setUp(self): self.iptables = Iptables() self.iptables.command( '-A OUTPUT -p tcp --sport %u -d %s --tcp-flags SYN,ACK SYN,ACK -j NFQUEUE' % (VALID_PORT, HOST)) config = NuauthConf() self.nuauth = Nuauth(config) self.nufw = startNufw() def tearDown(self): self.nuauth.stop() self.iptables.flush() def testsynack(self): # Create socket self.assertEqual(connectTcp(HOST, VALID_PORT, TIMEOUT), True)