def testLog(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_LOG, self.naming), EXP_INFO) result = str(acl) self.assertIn('proto \\tcp', result, 'did not find actual term for good-term-log')
def testIcmp(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_ICMP, self.naming), EXP_INFO) result = str(acl) self.failUnless('proto \\icmp' in result, 'did not find actual term for good-term-icmp')
def testMultiprotocol(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + MULTIPLE_PROTOCOLS_TERM, self.naming), EXP_INFO) result = str(acl) self.assertIn('(proto \\tcp or proto \\udp or proto \\icmp)', result, 'did not find actual term for multi-proto')
def testIcmpv6(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_ICMPV6, self.naming), EXP_INFO) result = str(acl) self.assertIn('icmp6', result, 'did not find actual term for good-term-icmpv6')
def testVrrpTerm(self): acl = pcap.PcapFilter(policy.ParsePolicy( GOOD_HEADER + VRRP_TERM, self.naming), EXP_INFO) result = str(acl) self.assertIn( '(proto 112)', result, 'did not find actual term for vrrp')
def testTcpOptions(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + ESTABLISHED_TERM, self.naming), EXP_INFO) result = str(acl) self.assertIn('(tcp[tcpflags] & (tcp-ack) == (tcp-ack)', result, 'did not find actual term for established')
def testExpiredTerm(self, mock_warn): pcap.PcapFilter(policy.ParsePolicy( GOOD_HEADER + EXPIRED_TERM, self.naming), EXP_INFO) mock_warn.assert_called_once_with( 'WARNING: Term %s in policy %s is expired and ' 'will not be rendered.', 'expired_test', 'test-filter')
def testIcmpCode(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + GOOD_ICMP_CODE, self.naming), EXP_INFO) result = str(acl) self.assertIn('and icmp[icmpcode] == 3', result, result) self.assertIn('and icmp[icmpcode] == 4', result, result)
def testBuildTokens(self): self.naming.GetNetAddr.return_value = [nacaddr.IP('10.0.0.0/8')] self.naming.GetServiceByProto.return_value = ['25'] pol1 = pcap.PcapFilter(policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_TCP, self.naming), EXP_INFO) st, sst = pol1._BuildTokens() self.assertEqual(st, SUPPORTED_TOKENS) self.assertEqual(sst, SUPPORTED_SUB_TOKENS)
def testHbh(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_HBH, self.naming), EXP_INFO) result = str(acl) self.assertIn('(ip6 protochain 0)', result, 'did not find actual terms for unicast-term')
def testIcmpTypes(self): acl = pcap.PcapFilter(policy.ParsePolicy( GOOD_HEADER + GOOD_TERM_ICMP_TYPES, self.naming), EXP_INFO) result = str(acl) self.assertIn( '(proto \\icmp) and (icmp[icmptype] == 0 or icmp[icmptype] == 3' ' or icmp[icmptype] == 11)', result, 'did not find actual term for good-term-icmp-types')
def testMultiHeader(self): acl = pcap.PcapFilter( policy.ParsePolicy( GOOD_HEADER + GOOD_TERM_LOG + GOOD_HEADER + GOOD_TERM_ICMP, self.naming), EXP_INFO) result = str(acl) self.assertIn('((((proto \\tcp))\n))\nor\n((((proto \\icmp))\n))', result, 'did not find actual terms for multi-header')
def testDirectional(self): acl = pcap.PcapFilter(policy.ParsePolicy( GOOD_HEADER_IN + GOOD_TERM_LOG + GOOD_HEADER_OUT + GOOD_TERM_ICMP, self.naming), EXP_INFO) result = str(acl) self.assertIn( '(((dst net localhost and ((proto \\tcp)))\n))\nor\n' '(((src net localhost and ((proto \\icmp)))\n))', result, 'did not find actual terms for directional')
def testExpiringTerm(self, mock_info): exp_date = datetime.date.today() + datetime.timedelta(weeks=EXP_INFO) pcap.PcapFilter(policy.ParsePolicy( GOOD_HEADER + EXPIRING_TERM % exp_date.strftime('%Y-%m-%d'), self.naming), EXP_INFO) mock_info.assert_called_once_with( 'INFO: Term %s in policy %s expires in ' 'less than two weeks.', 'is_expiring', 'test-filter')
def testUnicastIPv6(self): self.naming.GetNetAddr.return_value = [nacaddr.IP('::/0')] acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER_IN + UNICAST_TERM, self.naming), EXP_INFO) result = str(acl) self.assertIn('(dst net localhost and ((proto \\tcp)))', result, 'did not find actual terms for unicast-term') self.naming.GetNetAddr.assert_called_once_with('ANY')
def testTcp(self): self.naming.GetNetAddr.return_value = [nacaddr.IP('10.0.0.0/8')] self.naming.GetServiceByProto.return_value = ['25'] acl = pcap.PcapFilter(policy.ParsePolicy( GOOD_HEADER + GOOD_TERM_TCP, self.naming), EXP_INFO) result = str(acl) self.assertIn( '(dst net 10.0.0.0/8) and (proto \\tcp) and (dst port 25)', result, 'did not find actual term for good-term-tcp') self.naming.GetNetAddr.assert_called_once_with('PROD_NETWRK') self.naming.GetServiceByProto.assert_called_once_with('SMTP', 'tcp')
def testNextTerm(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + NEXT_TERM, self.naming), EXP_INFO) result = str(acl) self.assertIn('', result, 'did not find actual term for good-term-icmpv6')
def testBadIcmp(self): acl = pcap.PcapFilter( policy.ParsePolicy(GOOD_HEADER + BAD_TERM_ICMP, self.naming), EXP_INFO) self.assertRaises(aclgenerator.UnsupportedFilterError, str, acl)
def get_acl(inputs): """Generates an ACL using Capirca. Args: inputs: Module parameters. Returns: ACL string. """ header_base = ''' header { comment:: "$comment" target:: $platform $options } ''' result = "" # Create copy of input options removing any spaces inputs['options_copy'] = [ str(elem).replace(" ", "") for elem in inputs['filter_options'] ] # Add from/to-zone to 'paloalto' and 'srx'. if inputs['platform'] in ('paloalto' 'srx'): if len(inputs['options_copy']) < 2: raise AnsibleError( "The number of options for {0} is less than 2".format( inputs['platform'])) inputs['options_copy'][0] = "from-zone " + inputs['options_copy'][0] inputs['options_copy'][1] = "to-zone " + inputs['options_copy'][1] # Create option string for header inputs['options'] = ' '.join( [str(elem) for elem in inputs['options_copy']]) header_template = Template(header_base) header = header_template.safe_substitute(inputs) defs = naming.Naming(inputs['def_folder']) terms = open(inputs['pol_file']).read() pol = policy.ParsePolicy(header + '\n' + terms, defs, optimize=True) # Exp info in weeks EXP_INFO = 2 # List from https://github.com/google/capirca/blob/master/capirca/aclgen.py#L202 # Does Python have a Switch statement? if inputs['platform'] == 'juniper': result = juniper.Juniper(pol, EXP_INFO) elif inputs['platform'] == 'cisco': result = cisco.Cisco(pol, EXP_INFO) elif inputs['platform'] == 'ciscoasa': result = ciscoasa.CiscoASA(pol, EXP_INFO) elif inputs['platform'] == 'brocade': result = brocade.Brocade(pol, EXP_INFO) elif inputs['platform'] == 'arista': result = arista.Arista(pol, EXP_INFO) elif inputs['platform'] == 'aruba': result = aruba.Aruba(pol, EXP_INFO) elif inputs['platform'] == 'ipset': result = ipset.Ipset(pol, EXP_INFO) elif inputs['platform'] == 'iptables': result = iptables.Iptables(pol, EXP_INFO) elif inputs['platform'] == 'nsxv': result = nsxv.Nsxv(pol, EXP_INFO) elif inputs['platform'] == 'packetfilter': result = packetfilter.PacketFilter(pol, EXP_INFO) elif inputs['platform'] == 'pcap': result = pcap.PcapFilter(pol, EXP_INFO) elif inputs['platform'] == 'speedway': result = speedway.Speedway(pol, EXP_INFO) elif inputs['platform'] == 'srx': result = junipersrx.JuniperSRX(pol, EXP_INFO) elif inputs['platform'] == 'srxlo': result = srxlo.SRXlo(pol, EXP_INFO) elif inputs['platform'] == 'windows_advfirewall': result = windows_advfirewall.WindowsAdvFirewall(pol, EXP_INFO) elif inputs['platform'] == 'ciscoxr': result = ciscoxr.CiscoXR(pol, EXP_INFO) elif inputs['platform'] == 'nftables': result = nftables.Nftables(pol, EXP_INFO) elif inputs['platform'] == 'gce': result = gce.GCE(pol, EXP_INFO) elif inputs['platform'] == 'paloalto': result = paloaltofw.PaloAltoFW(pol, EXP_INFO) elif inputs['platform'] == 'cloudarmor': result = cloudarmor.CloudArmor(pol, EXP_INFO) return str(result)
def RenderFile(base_directory, input_file, output_directory, definitions, exp_info, write_files): """Render a single file. Args: base_directory: The base directory to look for acls. input_file: the name of the input policy file. output_directory: the directory in which we place the rendered file. definitions: the definitions from naming.Naming(). exp_info: print a info message when a term is set to expire in that many weeks. write_files: a list of file tuples, (output_file, acl_text), to write """ logging.debug('rendering file: %s into %s', input_file, output_directory) pol = None jcl = False acl = False asacl = False aacl = False bacl = False eacl = False gca = False gcefw = False ips = False ipt = False spd = False nsx = False pcap_accept = False pcap_deny = False pf = False srx = False jsl = False nft = False win_afw = False xacl = False paloalto = False try: with open(input_file) as f: conf = f.read() logging.debug('opened and read %s', input_file) except IOError as e: logging.warning('bad file: \n%s', e) raise try: pol = policy.ParsePolicy(conf, definitions, optimize=FLAGS.optimize, base_dir=base_directory, shade_check=FLAGS.shade_check) except policy.ShadingError as e: logging.warning('shading errors for %s:\n%s', input_file, e) return except (policy.Error, naming.Error): raise ACLParserError( 'Error parsing policy file %s:\n%s%s' % (input_file, sys.exc_info()[0], sys.exc_info()[1])) platforms = set() for header in pol.headers: platforms.update(header.platforms) if 'juniper' in platforms: jcl = copy.deepcopy(pol) if 'cisco' in platforms: acl = copy.deepcopy(pol) if 'ciscoasa' in platforms: asacl = copy.deepcopy(pol) if 'brocade' in platforms: bacl = copy.deepcopy(pol) if 'arista' in platforms: eacl = copy.deepcopy(pol) if 'aruba' in platforms: aacl = copy.deepcopy(pol) if 'ipset' in platforms: ips = copy.deepcopy(pol) if 'iptables' in platforms: ipt = copy.deepcopy(pol) if 'nsxv' in platforms: nsx = copy.deepcopy(pol) if 'packetfilter' in platforms: pf = copy.deepcopy(pol) if 'pcap' in platforms: pcap_accept = copy.deepcopy(pol) pcap_deny = copy.deepcopy(pol) if 'speedway' in platforms: spd = copy.deepcopy(pol) if 'srx' in platforms: srx = copy.deepcopy(pol) if 'srxlo' in platforms: jsl = copy.deepcopy(pol) if 'windows_advfirewall' in platforms: win_afw = copy.deepcopy(pol) if 'ciscoxr' in platforms: xacl = copy.deepcopy(pol) if 'nftables' in platforms: nft = copy.deepcopy(pol) if 'gce' in platforms: gcefw = copy.deepcopy(pol) if 'paloalto' in platforms: paloalto = copy.deepcopy(pol) if 'cloudarmor' in platforms: gca = copy.deepcopy(pol) if not output_directory.endswith('/'): output_directory += '/' try: if jcl: acl_obj = juniper.Juniper(jcl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if srx: acl_obj = junipersrx.JuniperSRX(srx, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if acl: acl_obj = cisco.Cisco(acl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if asacl: acl_obj = ciscoasa.CiscoASA(asacl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if aacl: acl_obj = aruba.Aruba(aacl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if bacl: acl_obj = brocade.Brocade(bacl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if eacl: acl_obj = arista.Arista(eacl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if ips: acl_obj = ipset.Ipset(ips, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if ipt: acl_obj = iptables.Iptables(ipt, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if nsx: acl_obj = nsxv.Nsxv(nsx, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if spd: acl_obj = speedway.Speedway(spd, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if pcap_accept: acl_obj = pcap.PcapFilter(pcap_accept, exp_info) RenderACL(str(acl_obj), '-accept' + acl_obj.SUFFIX, output_directory, input_file, write_files) if pcap_deny: acl_obj = pcap.PcapFilter(pcap_deny, exp_info, invert=True) RenderACL(str(acl_obj), '-deny' + acl_obj.SUFFIX, output_directory, input_file, write_files) if pf: acl_obj = packetfilter.PacketFilter(pf, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if win_afw: acl_obj = windows_advfirewall.WindowsAdvFirewall(win_afw, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if jsl: acl_obj = srxlo.SRXlo(jsl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if xacl: acl_obj = ciscoxr.CiscoXR(xacl, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if nft: acl_obj = nftables.Nftables(nft, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if gcefw: acl_obj = gce.GCE(gcefw, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if paloalto: acl_obj = paloaltofw.PaloAltoFW(paloalto, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) if gca: acl_obj = cloudarmor.CloudArmor(gca, exp_info) RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory, input_file, write_files) # TODO(robankeny) add additional errors. except (juniper.Error, junipersrx.Error, cisco.Error, ipset.Error, iptables.Error, speedway.Error, pcap.Error, aclgenerator.Error, aruba.Error, nftables.Error, gce.Error, cloudarmor.Error) as e: raise ACLGeneratorError('Error generating target ACL for %s:\n%s' % (input_file, e))