# scapy server unit test import sys,os from nose.plugins.skip import SkipTest if sys.version_info.major == 3: raise SkipTest("Python3 currently not supported") scapy_server_path = os.path.abspath(os.path.join(os.pardir, 'trex_control_plane', 'stl', 'services','scapy_server')) stl_pathname = os.path.abspath(os.path.join(os.pardir, os.pardir, 'trex_control_plane','stl')) sys.path.append(scapy_server_path) sys.path.append(stl_pathname) import trex_stl_lib from trex_stl_lib.api import * from copy import deepcopy import tempfile import hashlib from platform_cmd_link import * import functional_general_test from nose.tools import assert_equal from nose.tools import assert_not_equal from nose.tools import nottest from nose.plugins.attrib import attr import binascii from scapy_service import * from pprint import pprint import zmq import json import scapy_zmq_server import threading from scapy_zmq_client import Scapy_server_wrapper class scapy_service_tester(functional_general_test.CGeneralFunctional_Test): def setUp(self): self.s = Scapy_service() def tearDown(self): pass ''' test for db and field update - checking check_update_test() ''' def test_check_update(self): allData = self.s.get_all() allDataParsed = allData dbMD5 = allDataParsed['db_md5'] fieldMD5 = allDataParsed['fields_md5'] resT1 = self.s.check_update(dbMD5,fieldMD5) assert_equal(resT1,True) try: resT2 = False resT2 = self.s.check_update('falseMD5','falseMD5') except Exception as e: if e.message == "Fields DB is not up to date": resT2 = True else: raise assert_equal(resT2,True) try: resT3 = False resT3 = self.s.check_update(dbMD5,'falseMD5') except Exception as e: if e.message == "Fields DB is not up to date": resT3 = True else: raise assert_equal(resT3,True) try: resT4 = False resT4 = self.s.check_update('falseMD5',fieldMD5) except Exception as e: if e.message == "Protocol DB is not up to date": resT4 = True else: raise assert_equal(resT4,True) def test_check_updating_db(self): #assume i got old db try: result = self.s.check_update('falseMD5','falseMD5') except: newAllData = self.s.get_all() dbMD5 = newAllData['db_md5'] fieldMD5 = newAllData['fields_md5'] result = self.s.check_update(dbMD5,fieldMD5) assert_equal(result,True) else: raise Exception("scapy_server_test: check_updating_db failed") def _build_packet_test_method(self,original_pkt): test_pkt = original_pkt original_pkt = eval(original_pkt) test_res = self.s.build_pkt(test_pkt) test_pkt_buffer = test_res['buffer'] resT1 = (test_pkt_buffer == binascii.b2a_base64(str(original_pkt))) assert_equal(resT1,True) #testing offsets of a packet def _get_all_offsets_test_method(self,original_pkt): test_pkt = original_pkt original_pkt = eval(original_pkt) original_pkt.build() tested_offsets_by_layers = self.s._get_all_pkt_offsets(test_pkt) layers = (test_pkt).split('/') offsets_by_layers = {} for layer in layers: fields_dict = {} layer_name = layer.partition('(')[0] #clear layer name to include only alpha-numeric layer_name = re.sub(r'\W+', '',layer_name) for f in original_pkt.fields_desc: size = f.get_size_bytes() name = f.name if f.name is 'load': size = len(original_pkt) layer_name = 'Raw' fields_dict[f.name]= [f.offset, size] fields_dict['global_offset'] = original_pkt.offset original_pkt = original_pkt.payload offsets_by_layers[layer_name] = fields_dict resT1 = (tested_offsets_by_layers == offsets_by_layers) assert_equal(resT1,True) def _offsets_and_buffer_test_method(self,mac_src,mac_dst,ip_src,ip_dst): pkt = Ether(src=mac_src,dst=mac_dst)/IP(src=ip_src,dst=ip_dst)/TCP() pkt_descriptor = "Ether(src='"+mac_src+"',dst='"+mac_dst+"')/IP(src='"+ip_src+"',dst='"+ip_dst+"')/TCP()" pkt_offsets = self.s._get_all_pkt_offsets(pkt_descriptor) pkt_buffer = str(pkt) #--------------------------Dest-MAC-------------------- mac_start_index = pkt_offsets['Ether']['dst'][0]+pkt_offsets['Ether']['global_offset'] mac_end_index = mac_start_index+pkt_offsets['Ether']['dst'][1] assert_equal(binascii.b2a_hex(pkt_buffer[mac_start_index:mac_end_index]),mac_dst.translate(None,':')) #--------------------------Src-MAC--------------------- mac_start_index = pkt_offsets['Ether']['src'][0]+pkt_offsets['Ether']['global_offset'] mac_end_index = mac_start_index+pkt_offsets['Ether']['src'][1] assert_equal(binascii.b2a_hex(pkt_buffer[mac_start_index:mac_end_index]),mac_src.translate(None,':')) #--------------------------Dest-IP--------------------- ip_start_index = pkt_offsets['IP']['dst'][0]+pkt_offsets['IP']['global_offset'] ip_end_index= ip_start_index+pkt_offsets['IP']['dst'][1] assert_equal(binascii.b2a_hex(pkt_buffer[ip_start_index:ip_end_index]),binascii.hexlify(socket.inet_aton(ip_dst))) #--------------------------Src-IP---------------------- ip_start_index = pkt_offsets['IP']['src'][0]+pkt_offsets['IP']['global_offset'] ip_end_index= ip_start_index+pkt_offsets['IP']['src'][1] assert_equal(binascii.b2a_hex(pkt_buffer[ip_start_index:ip_end_index]),binascii.hexlify(socket.inet_aton(ip_src))) def test_multi_packet(self): packets= [ 'Ether()', 'Ether()/IP()', 'TCP()', 'UDP()', 'Ether()/IP()/TCP()/"test"', 'Ether()/IP()/UDP()', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")', 'Ether()/Dot1Q(vlan=12)/Dot1Q(vlan=12)/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether()/Dot1Q(vlan=12)/IP(src="16.0.0.1",dst="48.0.0.1")/TCP(dport=12,sport=1025)', 'Ether()/Dot1Q(vlan=12)/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether()/Dot1Q(vlan=12)/IPv6(src="::5")/TCP(dport=12,sport=1025)', 'Ether()/IP()/UDP()/IPv6(src="::5")/TCP(dport=12,sport=1025)', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether()/IP(dst="48.0.0.1")/TCP(dport=80,flags="S")', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether() / IP(src = "16.0.0.1", dst = "48.0.0.1") / UDP(dport = 12, sport = 1025)', 'Ether()/IP()/UDP()', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether()/IP(src="16.0.0.2",dst="48.0.0.1")/UDP(dport=12,sport=1025)', 'Ether()/IP(src="16.0.0.3",dst="48.0.0.1")/UDP(dport=12,sport=1025)', r'Ether()/IP()/IPv6()/IP(dst="48.0.0.1",options=IPOption("\x01\x01\x01\x00"))/UDP(dport=12,sport=1025)', r'Ether()/IP(dst="48.0.0.1",options=IPOption("\x01\x01\x01\x00"))/UDP(dport=12,sport=1025)', 'Ether()', 'Ether()/IP()/UDP(sport=1337,dport=4789)/VXLAN(vni=42)/Ether()/IP()/("x"*20)', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=3797,sport=3544)/IPv6(dst="2001:0:4137:9350:8000:f12a:b9c8:2815",src="2001:4860:0:2001::68")/UDP(dport=12,sport=1025)/ICMPv6Unknown()', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(sport=1025)/DNS()', 'Ether()/MPLS(label=17,cos=1,s=0,ttl=255)/MPLS(label=0,cos=1,s=1,ttl=12)/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)/("x"*20)', 'Ether()/MPLS(label=17,cos=1,s=0,ttl=255)/MPLS(label=12,cos=1,s=1,ttl=12)/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)/("x"*20)', 'Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/ICMP(type=3)', 'Ether()/IP()/GRE()/("x"*2)'] for packet in packets: self._get_all_offsets_test_method(packet) for packet in packets: self._build_packet_test_method(packet) def test_offsets_and_buffer(self): self._offsets_and_buffer_test_method('ab:cd:ef:12:34:56','98:76:54:32:1a:bc','127.1.1.1','192.168.1.1') self._offsets_and_buffer_test_method('bb:bb:bb:bb:bb:bb','aa:aa:aa:aa:aa:aa','1.1.1.1','0.0.0.0') class scapy_server_thread(threading.Thread): def __init__(self,thread_id,server_port=5555): threading.Thread.__init__(self) self.thread_id = thread_id self.server_port = server_port def run(self): print('\nStarted scapy thread server') scapy_zmq_server.main(self.server_port) print('Thread server closed') # Scapy_server_wrapper is the CLIENT for the scapy server, it wraps the CLIENT: its default port is set to 5555, default server ip set to localhost class scapy_server_tester(scapy_service_tester): def setUp(self): self.thread1 = scapy_server_thread(thread_id=1) self.thread1.start() self.s = Scapy_server_wrapper(dest_scapy_port=5555,server_ip_address='localhost') def tearDown(self): self.s.call_method('shut_down',[]) self.thread1.join()