1 % Tests for OpenFlow v1.3 with Scapy 2 3 + Fields 4 5 = GroupDescPacketListField(), check getfield 6 remain, lst = GroupDescPacketListField(None, None, None).getfield(None, b'\x00\x10') 7 not remain 8 all([OFPGroupDesc in gd for gd in lst]) 9 lst[0].length == 0x0010 10 11 + Usual OFv1.3 messages 12 13 = OFPTHello(), hello without version bitmap 14 ofm = OFPTHello() 15 raw(ofm) == b'\x04\x00\x00\x08\x00\x00\x00\x00' 16 17 = OFPTEchoRequest(), echo request 18 ofm = OFPTEchoRequest() 19 raw(ofm) == b'\x04\x02\x00\x08\x00\x00\x00\x00' 20 21 = OFPMatch(), check padding 22 ofm = OFPMatch(oxm_fields=OFBEthType(eth_type=0x86dd)) 23 assert(len(raw(ofm))%8 == 0) 24 raw(ofm) == b'\x00\x01\x00\x0a\x80\x00\x0a\x02\x86\xdd\x00\x00\x00\x00\x00\x00' 25 26 = OpenFlow(), generic method test with OFPTEchoRequest() 27 ofm = OFPTEchoRequest() 28 s = raw(ofm) 29 isinstance(OpenFlow(None,s)(s), OFPTEchoRequest) 30 31 = OFPTFlowMod(), check codes and defaults values 32 ofm = OFPTFlowMod(cmd='OFPFC_DELETE', out_group='ALL', flags='CHECK_OVERLAP+NO_PKT_COUNTS') 33 assert(ofm.cmd == 3) 34 assert(ofm.out_port == 0xffffffff) 35 assert(ofm.out_group == 0xfffffffc) 36 ofm.flags == 10 37 38 = OFBIPv6ExtHdrHMID(), check creation of last OXM classes 39 assert(hasattr(OFBIPv6ExtHdr(), 'ipv6_ext_hdr_flags')) 40 OFBIPv6ExtHdrHMID().field == 39 41 42 + Complex OFv1.3 messages 43 44 = OFPTFlowMod(), complex flow_mod 45 mtc = OFPMatch(oxm_fields=OFBVLANVID(vlan_vid=10)) 46 ist1 = OFPITApplyActions(actions=[OFPATSetField(field=OFBIPv4Src(ipv4_src='192.168.10.41')),OFPATSetField(field=OFBEthSrc(eth_src='1a:d5:cb:4e:3c:64')),OFPATOutput(port='NORMAL')]) 47 ist2 = OFPITWriteActions(actions=OFPATOutput(port='CONTROLLER')) 48 ofm = OFPTFlowMod(table_id=2, match=mtc, instructions=[ist1,ist2]) 49 hexdump(ofm) 50 s = b'\x04\x0e\x00\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x01\x00\x0a\x80\x00\x0c\x02\x00\x0a\x00\x00\x00\x00\x00\x00\x00\x04\x00\x38\x00\x00\x00\x00\x00\x19\x00\x10\x80\x00\x16\x04\xc0\xa8\x0a\x29\x00\x00\x00\x00\x00\x19\x00\x10\x80\x00\x08\x06\x1a\xd5\xcb\x4e\x3c\x64\x00\x00\x00\x00\x00\x10\xff\xff\xff\xfa\xff\xff\x00\x00\x00\x00\x00\x00\x00\x03\x00\x18\x00\x00\x00\x00\x00\x00\x00\x10\xff\xff\xff\xfd\xff\xff\x00\x00\x00\x00\x00\x00' 51 raw(ofm) == s 52 53 = OFPETBadRequest() containing a flow_mod with wrong table_id 54 flowmod = OFPTFlowMod(instructions=OFPITGotoTable(table_id=0)) 55 ofm = OFPETBadRequest(errcode='OFPBRC_BAD_TABLE_ID', data=raw(flowmod)) 56 hexdump(ofm) 57 s = b'\x04\x01\x00L\x00\x00\x00\x00\x00\x01\x00\t\x04\x0e\x00@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x01\x00\x08\x00\x00\x00\x00' 58 raw(ofm) == s 59 60 = OFPTPacketIn() containing an Ethernet frame 61 ofm = OFPTPacketIn(data=Ether()/IP()/ICMP()) 62 p = OFPTPacketIn(raw(ofm)) 63 dat = p.data 64 assert(isinstance(dat, Ether)) 65 assert(isinstance(dat.payload, IP)) 66 isinstance(dat.payload.payload, ICMP) 67 68 + Layer bindings 69 70 = TCP()/OFPMPRequestDesc(), check default sport 71 p = TCP()/OFPMPRequestDesc() 72 p[TCP].sport == 6653 73 74 = TCP()/OFPETHelloFailed(), check default dport 75 p = TCP()/OFPETHelloFailed() 76 p[TCP].dport == 6653 77 78 = TCP()/OFPTHello() dissection, check new TCP.guess_payload_class 79 o = TCP()/OFPTHello() 80 p = TCP(raw(o)) 81 p[TCP].sport == 6653 82 isinstance(p[TCP].payload, OFPTHello) 83 84 = complete Ether()/IP()/TCP()/OFPTFeaturesRequest() 85 ofm = Ether(src='00:11:22:33:44:55',dst='01:23:45:67:89:ab')/IP(src='10.0.0.7',dst='192.168.0.42')/TCP(sport=6633)/OFPTFeaturesRequest(xid=23) 86 s = b'\x01#Eg\x89\xab\x00\x11"3DU\x08\x00E\x00\x000\x00\x01\x00\x00@\x06\xaf\xee\n\x00\x00\x07\xc0\xa8\x00*\x19\xe9\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\xa6\xa4\x00\x00\x04\x05\x00\x08\x00\x00\x00\x17' 87 assert(raw(ofm) == s) 88 e = Ether(s) 89 e.show2() 90 e[OFPTFeaturesRequest].xid == 23 91
