def testCollapsing(self): ip1 = ipaddr.IPv4('1.1.0.0/24') ip2 = ipaddr.IPv4('1.1.1.0/24') ip3 = ipaddr.IPv4('1.1.2.0/24') ip4 = ipaddr.IPv4('1.1.3.0/24') ip5 = ipaddr.IPv4('1.1.4.0/24') # stored in no particular order b/c we want CollapseAddr to call [].sort ip6 = ipaddr.IPv4('1.1.0.0/22') # check that addreses are subsumed properlly. collapsed = ipaddr.collapse_address_list( [ip1, ip2, ip3, ip4, ip5, ip6]) self.assertEqual( collapsed, [ipaddr.IPv4('1.1.0.0/22'), ipaddr.IPv4('1.1.4.0/24')]) # test that two addresses are supernet'ed properlly collapsed = ipaddr.collapse_address_list([ip1, ip2]) self.assertEqual(collapsed, [ipaddr.IPv4('1.1.0.0/23')]) ip_same1 = ip_same2 = ipaddr.IPv4('1.1.1.1/32') self.assertEqual(ipaddr.collapse_address_list([ip_same1, ip_same2]), [ip_same1]) ip1 = ipaddr.IPv6('::2001:1/100') ip2 = ipaddr.IPv6('::2002:1/120') ip3 = ipaddr.IPv6('::2001:1/96') # test that ipv6 addresses are subsumed properly. collapsed = ipaddr.collapse_address_list([ip1, ip2, ip3]) self.assertEqual(collapsed, [ip3])
def received_TCP(self, pkt): if (IPv6 in pkt): #Look for the entry in the mapping #If if doesn't exist, create a new one (with a random port). if ((pkt[IPv6].src, pkt[TCP].sport) in self.mapping.values()): for map_src, map_port in self.mapping.keys(): if (self.mapping[map_src, map_port] == (pkt[IPv6].src, pkt[TCP].sport)): break else: print "IPv6: Creating a new NAT64 mapping entry:", pkt[ IPv6].src, " ", pkt[TCP].sport src_port = int(random.random() * 65535) self.mapping[(self.srcv4, src_port)] = (pkt[IPv6].src, pkt[TCP].sport) map_src, map_port = self.srcv4, src_port #extract the destination #Fill up the important information for the new packet dstv4 = str( ipaddr.IPv4(int(hex(ipaddr.IPv6(pkt[IPv6].dst))[18:26], 16)).ip_ext_full) new_ipv4_packet = IP(src=map_src, dst=dstv4, ttl=pkt[IPv6].hlim) / pkt[TCP] new_ipv4_packet[TCP].sport = map_port #Remove checksum to force scapy to recompute it #and send the packet in IPv4 new_ipv4_packet[TCP].chksum = None self.send(new_ipv4_packet) if (IP in pkt): #Try to find the corresponding mapping entry try: #Extract the source IPv6 and the dport from the mapping (srcv6, map_port) = self.mapping[(pkt[IP].dst, pkt[TCP].dport)] #Build the destination and fill up important information dstv6 = str( ipaddr.IPv6( int( self.pref64[:18] + hex(ipaddr.IPv4(pkt[IP].src))[2:10] + self.pref64[26:34], 16))) new_ipv6_packet = IPv6(src=dstv6, dst=srcv6, hlim=pkt[IP].ttl) / pkt[TCP] new_ipv6_packet[TCP].dport = map_port #Remove checksum to force scapy to recompute it #and send the packet in IPv6 new_ipv6_packet[TCP].chksum = None self.send(new_ipv6_packet) except KeyError: print "IPv4: Mapping entry not found:", pkt[IP].dst, " ", pkt[ TCP].dport
def testEmbeddedIpv4(self): ipv4_string = '192.168.0.1' ipv4 = ipaddr.IPv4(ipv4_string) v4compat_ipv6 = ipaddr.IPv6('::%s' % ipv4_string) self.assertEquals(v4compat_ipv6.ip, ipv4.ip) v4mapped_ipv6 = ipaddr.IPv6('::ffff:%s' % ipv4_string) self.assertNotEquals(v4mapped_ipv6.ip, ipv4.ip) self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, '2001:1.1.1.1:1.1.1.1')
def testGetSupernet(self): self.assertEqual(self.ipv4.supernet().prefixlen, 23) self.assertEqual(self.ipv4.supernet().network_ext, '1.2.2.0') self.assertEqual( ipaddr.IPv4('0.0.0.0/0').supernet(), ipaddr.IPv4('0.0.0.0/0')) self.assertEqual(self.ipv6.supernet().prefixlen, 63) self.assertEqual(self.ipv6.supernet().network_ext, '2001:658:22a:cafe::') self.assertEqual(ipaddr.IPv6('::0/0').supernet(), ipaddr.IPv6('::0/0'))
def testPacked(self): self.assertEqual(self.ipv4.packed, _cb('\x01\x02\x03\x04')) self.assertEqual(ipaddr.IPv4('255.254.253.252').packed, _cb('\xff\xfe\xfd\xfc')) self.assertEqual(self.ipv6.packed, _cb('\x20\x01\x06\x58\x02\x2a\xca\xfe' '\x02\x00\x00\x00\x00\x00\x00\x01')) self.assertEqual(ipaddr.IPv6('ffff:2:3:4:ffff::').packed, _cb('\xff\xff\x00\x02\x00\x03\x00\x04\xff\xff' + '\x00' * 6)) self.assertEqual(ipaddr.IPv6('::1:0:0:0:0').packed, _cb('\x00' * 6 + '\x00\x01' + '\x00' * 8))
def _inet_pton(family, addr): if family == socket.AF_INET: return ipaddr.IPv4(addr).packed elif family == socket.AF_INET6: return ipaddr.IPv6(addr).packed else: raise ValueError("Unknown protocol family " + family)
def testZeroNetmask(self): ipv4_zero_netmask = ipaddr.IPv4('1.2.3.4/0') self.assertEqual(ipv4_zero_netmask.netmask, 0) self.assert_(ipv4_zero_netmask._is_valid_netmask(str(0))) ipv6_zero_netmask = ipaddr.IPv6('::1/0') self.assertEqual(ipv6_zero_netmask.netmask, 0) self.assert_(ipv6_zero_netmask._is_valid_netmask(str(0)))
def testNetworkComparison(self): # ip1 and ip2 have the same network address ip1 = ipaddr.IPv4('1.1.1.0/24') ip2 = ipaddr.IPv4('1.1.1.1/24') ip3 = ipaddr.IPv4('1.1.2.0/24') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEquals(ip1.compare_networks(ip2), 0) self.assertTrue(ip1._get_networks_key() == ip2._get_networks_key()) self.assertEquals(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) ip1 = ipaddr.IPv6('2001::2000/96') ip2 = ipaddr.IPv6('2001::2001/96') ip3 = ipaddr.IPv6('2001:ffff::2000/96') self.assertTrue(ip1 < ip3) self.assertTrue(ip3 > ip2) self.assertEquals(ip1.compare_networks(ip2), 0) self.assertTrue(ip1._get_networks_key() == ip2._get_networks_key()) self.assertEquals(ip1.compare_networks(ip3), -1) self.assertTrue(ip1._get_networks_key() < ip3._get_networks_key()) # Test comparing different protocols ipv6 = ipaddr.IPv6('::/0') ipv4 = ipaddr.IPv4('0.0.0.0/0') self.assertTrue(ipv6 > ipv4) self.assertTrue(ipv4 < ipv6) # Regression test for issue 19. ip1 = ipaddr.IP('10.1.2.128/25') self.assertFalse(ip1 < ip1) self.assertFalse(ip1 > ip1) ip2 = ipaddr.IP('10.1.3.0/24') self.assertTrue(ip1 < ip2) self.assertFalse(ip2 < ip1) self.assertFalse(ip1 > ip2) self.assertTrue(ip2 > ip1) ip3 = ipaddr.IP('10.1.3.0/25') self.assertTrue(ip2 < ip3) self.assertFalse(ip3 < ip2) self.assertFalse(ip2 > ip3) self.assertTrue(ip3 > ip2)
def testNotEquals(self): self.assertFalse(self.ipv4 != ipaddr.IPv4('1.2.3.4/24')) self.assertTrue(self.ipv4 != ipaddr.IPv4('1.2.3.4/23')) self.assertTrue(self.ipv4 != ipaddr.IPv4('1.2.3.5/24')) self.assertTrue(self.ipv4 != ipaddr.IPv6('::1.2.3.4/24')) self.assertTrue(self.ipv4 != '') self.assertTrue(self.ipv4 != []) self.assertTrue(self.ipv4 != 2) self.assertFalse( self.ipv6 != ipaddr.IPv6('2001:658:22a:cafe:200::1/64')) self.assertTrue( self.ipv6 != ipaddr.IPv6('2001:658:22a:cafe:200::1/63')) self.assertTrue( self.ipv6 != ipaddr.IPv6('2001:658:22a:cafe:200::2/64')) self.assertTrue(self.ipv6 != ipaddr.IPv4('1.2.3.4/23')) self.assertTrue(self.ipv6 != '') self.assertTrue(self.ipv6 != []) self.assertTrue(self.ipv6 != 2)
def testIPv6PrefixFromInt(self): addr1 = ipaddr.IP('2001:0658:022a:cafe:0200::1/64') addr2 = ipaddr.IPv6(addr1.ip) # clone prefix addr2.set_prefix(addr1.prefixlen) addr3 = ipaddr.IP(123456) self.assertEqual(123456, addr3.ip) self.assertRaises(ipaddr.IPv6NetmaskValidationError, addr2.set_prefix, -1L) self.assertEqual(addr1, addr2) self.assertEqual(str(addr1), str(addr2))
def testIpFromInt(self): self.assertEqual(self.ipv4.ip, ipaddr.IPv4(16909060).ip) self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, 2**32) self.assertRaises(ipaddr.IPv4IpValidationError, ipaddr.IPv4, -1) self.assertEqual( self.ipv6.ip, ipaddr.IPv6(42540616829182469433547762482097946625).ip) self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, 2**128) self.assertRaises(ipaddr.IPv6IpValidationError, ipaddr.IPv6, -1) self.assertEqual(ipaddr.IP(self.ipv4.ip).version, 4) self.assertEqual(ipaddr.IP(self.ipv6.ip).version, 6)
def testCompressIPv6Address(self): test_addresses = { '1:2:3:4:5:6:7:8': '1:2:3:4:5:6:7:8/128', '2001:0:0:4:0:0:0:8': '2001:0:0:4::8/128', '2001:0:0:4:5:6:7:8': '2001::4:5:6:7:8/128', '2001:0:3:4:5:6:7:8': '2001:0:3:4:5:6:7:8/128', '2001:0::3:4:5:6:7:8': '2001:0:3:4:5:6:7:8/128', '0:0:3:0:0:0:0:ffff': '0:0:3::ffff/128', '0:0:0:4:0:0:0:ffff': '::4:0:0:0:ffff/128', '0:0:0:0:5:0:0:ffff': '::5:0:0:ffff/128', '1:0:0:4:0:0:7:8': '1::4:0:0:7:8/128', '0:0:0:0:0:0:0:0': '::/128', '0:0:0:0:0:0:0:0/0': '::/0', '0:0:0:0:0:0:0:1': '::1/128', '2001:0658:022a:cafe:0000:0000:0000:0000/66': '2001:658:22a:cafe::/66', } for uncompressed, compressed in test_addresses.items(): self.assertEquals(compressed, str(ipaddr.IPv6(uncompressed)))
def testExplodeShortHandIpStr(self): addr1 = ipaddr.IPv6('2001::1') self.assertEqual('2001:0000:0000:0000:0000:0000:0000:0001', addr1._explode_shorthand_ip_string(addr1.ip_ext))
def testRepr(self): self.assertEqual("IPv4('1.2.3.4/32')", repr(ipaddr.IPv4('1.2.3.4'))) self.assertEqual("IPv6('::1/128')", repr(ipaddr.IPv6('::1')))
def testSlash128Constructor(self): self.assertEquals(str(ipaddr.IPv6('::1/128')), '::1/128')
def setUp(self): self.ipv4 = ipaddr.IPv4('1.2.3.4/24') self.ipv4_hostmask = ipaddr.IPv4('10.0.0.1/0.255.255.255') self.ipv6 = ipaddr.IPv6('2001:658:22a:cafe:200:0:0:1/64')
def testGetSubnetForSingle128(self): ip = ipaddr.IPv6('::1/128') subnets1 = [str(x) for x in ip.subnet()] subnets2 = [str(x) for x in ip.subnet(2)] self.assertEqual(subnets1, ['::1/128']) self.assertEqual(subnets1, subnets2)