100 lines
3.8 KiB
Text
100 lines
3.8 KiB
Text
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% Tests for OpenFlow v1.0 with Scapy
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+ Preparation
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= Be sure we have loaded OpenFlow v1
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load_contrib("openflow")
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+ Usual OFv1.0 messages
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= OFPTHello(), simple hello message
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ofm = OFPTHello()
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raw(ofm) == b'\x01\x00\x00\x08\x00\x00\x00\x00'
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= OFPTEchoRequest(), echo request
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ofm = OFPTEchoRequest()
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raw(ofm) == b'\x01\x02\x00\x08\x00\x00\x00\x00'
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= OFPMatch(), check wildcard completion
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ofm = OFPMatch(in_port=1, nw_tos=8)
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ofm = OFPMatch(raw(ofm))
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assert(ofm.wildcards1 == 0x1)
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ofm.wildcards2 == 0xee
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= OpenFlow(), generic method test with OFPTEchoRequest()
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ofm = OFPTEchoRequest()
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s = raw(ofm)
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isinstance(OpenFlow(s), OFPTEchoRequest)
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= OFPTFlowMod(), check codes and defaults values
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ofm = OFPTFlowMod(cmd='OFPFC_DELETE', out_port='CONTROLLER', flags='CHECK_OVERLAP+EMERG')
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assert(ofm.cmd == 3)
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assert(ofm.buffer_id == 0xffffffff)
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assert(ofm.out_port == 0xfffd)
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ofm.flags == 6
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+ Complex OFv1.0 messages
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= OFPTFlowMod(), complex flow_mod
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mtc = OFPMatch(dl_vlan=10, nw_src='192.168.42.0', nw_src_mask=8)
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act1 = OFPATSetNwSrc(nw_addr='192.168.42.1')
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act2 = OFPATOutput(port='CONTROLLER')
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act3 = OFPATSetDlSrc(dl_addr='1a:d5:cb:4e:3c:64')
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ofm = OFPTFlowMod(priority=1000, match=mtc, flags='CHECK_OVERLAP', actions=[act1,act2,act3])
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raw(ofm)
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s = 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'
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raw(ofm) == s
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= OFPETBadRequest() containing a flow_mod with wrong table_id
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flowmod = OFPTFlowMod(actions=OFPATOutput(port='LOCAL'))
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ofm = OFPETBadRequest(errcode='OFPBRC_EPERM', data=raw(flowmod))
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hexdump(ofm)
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s = 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'
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raw(ofm) == s
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= OFPTPacketIn() containing an Ethernet frame
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ofm = OFPTPacketIn(data=Ether()/IP()/ICMP())
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p = OFPTPacketIn(raw(ofm))
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dat = p.data
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assert(isinstance(dat, Ether))
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assert(isinstance(dat.payload, IP))
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isinstance(dat.payload.payload, ICMP)
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= OFPTStatsReplyFlow()
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pkt = TCP()/OFPTStatsReplyFlow(flow_stats=[OFPFlowStats(actions=[OFPATSetTpSrc()])])
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pkt = TCP(raw(pkt))
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assert isinstance(pkt.flow_stats[0].actions[0], OFPATSetTpSrc)
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= OFPTQueueGetConfigReply()
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pkt = TCP()/OFPTQueueGetConfigReply(queues=[OFPPacketQueue(properties=[OFPQTMinRate(rate=123)])])
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pkt = TCP(raw(pkt))
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assert pkt.queues[0].properties[0].rate == 123
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= OFPETHelloFailed()
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pkt = OFPETHelloFailed(data=OFPTEchoRequest())
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pkt = OFPETHelloFailed(raw(pkt))
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assert isinstance(pkt.data, OFPTEchoRequest)
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+ Layer bindings
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= TCP()/OFPTStatsRequestDesc(), check default sport
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p = TCP()/OFPTStatsRequestDesc()
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p[TCP].sport == 6653
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= TCP()/OFPETHelloFailed(), check default dport
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p = TCP()/OFPETHelloFailed()
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p[TCP].dport == 6653
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= TCP()/OFPTHello() dissection, check new TCP.guess_payload_class
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o = TCP(dport=6653)/OFPTHello()
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p = TCP(raw(o))
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p[TCP].sport == 6653
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isinstance(p[TCP].payload, OFPTHello)
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= complete Ether()/IP()/TCP()/OFPTFeaturesRequest()
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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, dport=6633)/OFPTFeaturesRequest(xid=23)
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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\x19\xe9\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x90\x0b\x00\x00\x01\x05\x00\x08\x00\x00\x00\x17'
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assert(raw(ofm) == s)
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e = Ether(s)
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e.show2()
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e[OFPTFeaturesRequest].xid == 23
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