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1% Tests for OpenFlow v1.0 with Scapy
2
3+ Preparation
4= Be sure we have loaded OpenFlow v1
5load_contrib("openflow")
6
7+ Usual OFv1.0 messages
8
9= OFPTHello(), simple hello message
10ofm = OFPTHello()
11raw(ofm) == b'\x01\x00\x00\x08\x00\x00\x00\x00'
12
13= OFPTEchoRequest(), echo request
14ofm = OFPTEchoRequest()
15raw(ofm) == b'\x01\x02\x00\x08\x00\x00\x00\x00'
16
17= OFPMatch(), check wildcard completion
18ofm = OFPMatch(in_port=1, nw_tos=8)
19ofm = OFPMatch(raw(ofm))
20assert ofm.wildcards1 == 0x1
21ofm.wildcards2 == 0xee
22
23= OpenFlow(), generic method test with OFPTEchoRequest()
24ofm = OFPTEchoRequest()
25s = raw(ofm)
26isinstance(OpenFlow(s), OFPTEchoRequest)
27
28= OFPTFlowMod(), check codes and defaults values
29ofm = OFPTFlowMod(cmd='OFPFC_DELETE', out_port='CONTROLLER', flags='CHECK_OVERLAP+EMERG')
30assert ofm.cmd == 3
31assert ofm.buffer_id == 0xffffffff
32assert ofm.out_port == 0xfffd
33ofm.flags == 6
34
35+ Complex OFv1.0 messages
36
37= OFPTFlowMod(), complex flow_mod
38mtc = OFPMatch(dl_vlan=10, nw_src='192.168.42.0', nw_src_mask=8)
39act1 = OFPATSetNwSrc(nw_addr='192.168.42.1')
40act2 = OFPATOutput(port='CONTROLLER')
41act3 = OFPATSetDlSrc(dl_addr='1a:d5:cb:4e:3c:64')
42ofm = OFPTFlowMod(priority=1000, match=mtc, flags='CHECK_OVERLAP', actions=[act1,act2,act3])
43raw(ofm)
44s = b'\x01\x0e\x00h\x00\x00\x00\x00\x00?\xc8\xed\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\n\x00\x00\x08\x00\x00\x00\x00\x00\xc0\xa8*\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\xe8\xff\xff\xff\xff\xff\xff\x00\x02\x00\x06\x00\x08\xc0\xa8*\x01\x00\x00\x00\x08\xff\xfd\xff\xff\x00\x04\x00\x10\x1a\xd5\xcbN<d\x00\x00\x00\x00\x00\x00'
45raw(ofm) == s
46
47= OFPETBadRequest() containing a flow_mod with wrong table_id
48flowmod = OFPTFlowMod(actions=OFPATOutput(port='LOCAL'))
49ofm = OFPETBadRequest(errcode='OFPBRC_EPERM', data=raw(flowmod))
50hexdump(ofm)
51s = b'\x01\x01\x00\\\x00\x00\x00\x00\x00\x01\x00\x05\x01\x0e\x00P\x00\x00\x00\x00\x00?\xff\xff\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\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\x00\x00\x00\x00\x00\x08\xff\xfe\xff\xff'
52raw(ofm) == s
53
54= OFPTPacketIn() containing an Ethernet frame
55ofm = OFPTPacketIn(data=Ether()/IP()/ICMP())
56p = OFPTPacketIn(raw(ofm))
57dat = p.data
58assert isinstance(dat, Ether)
59assert isinstance(dat.payload, IP)
60isinstance(dat.payload.payload, ICMP)
61
62= OFPTStatsReplyFlow()
63pkt = TCP()/OFPTStatsReplyFlow(flow_stats=[OFPFlowStats(actions=[OFPATSetTpSrc()])])
64pkt = TCP(raw(pkt))
65assert isinstance(pkt.flow_stats[0].actions[0], OFPATSetTpSrc)
66
67= OFPTQueueGetConfigReply()
68pkt = TCP()/OFPTQueueGetConfigReply(queues=[OFPPacketQueue(properties=[OFPQTMinRate(rate=123)])])
69pkt = TCP(raw(pkt))
70assert pkt.queues[0].properties[0].rate == 123
71
72= OFPETHelloFailed()
73pkt = OFPETHelloFailed(data=OFPTEchoRequest())
74pkt = OFPETHelloFailed(raw(pkt))
75assert isinstance(pkt.data, OFPTEchoRequest)
76
77+ Layer bindings
78
79= TCP()/OFPTStatsRequestDesc(), check default sport
80p = TCP()/OFPTStatsRequestDesc()
81p[TCP].sport == 6653
82
83= TCP()/OFPETHelloFailed(), check default dport
84p = TCP()/OFPETHelloFailed()
85p[TCP].dport == 6653
86
87= TCP()/OFPTHello() dissection, check new TCP.guess_payload_class
88o = TCP(dport=6653)/OFPTHello()
89p = TCP(raw(o))
90p[TCP].sport == 6653
91isinstance(p[TCP].payload, OFPTHello)
92
93= complete Ether()/IP()/TCP()/OFPTFeaturesRequest()
94ofm = 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, dport=6633)/OFPTFeaturesRequest(xid=23)
95s = 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\x19\xe9\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x90\x0b\x00\x00\x01\x05\x00\x08\x00\x00\x00\x17'
96assert raw(ofm) == s
97e = Ether(s)
98e.show2()
99e[OFPTFeaturesRequest].xid == 23
100