41 lines
1.4 KiB
Text
41 lines
1.4 KiB
Text
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% Licklider Transmission Protocol tests
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############
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############
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+ Licklider Transmission Protocol (LTP) basic tests
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~ TODO: no pcap have been found on Internet. Check that scapy correctly decode those too
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= Build packets & dissect
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load_contrib("ltp")
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pkt = Ether(src="aa:aa:aa:aa:aa:aa", dst="bb:bb:bb:bb:bb:bb")/IP(src="192.168.0.1", dst="192.168.0.2")/UDP()/LTP(flags=8,\
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SessionOriginator=2,
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SessionNumber=113,
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ReportCheckpointSerialNo=12,
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ReportUpperBound=0,
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ReportLowerBound=5,
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ReportReceptionClaims=[
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LTPReceptionClaim(ReceptionClaimOffset=1, ReceptionClaimLength=4),
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LTPReceptionClaim(ReceptionClaimOffset=2, ReceptionClaimLength=3),
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],
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HeaderExtensions=[
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LTPex(ExTag=1, ExData=b"\x00"),
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],
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TrailerExtensions=[
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LTPex(ExTag=0, ExData=b"\x01"),
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LTPex(ExTag=1, ExData=b"\x02"),
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])
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pkt = Ether(raw(pkt))
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assert LTP in pkt
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assert pkt[LTP].ReportLowerBound == 5
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assert pkt[LTP].ReportCheckpointSerialNo == 12
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assert pkt[LTP].ReportReceptionClaims[0].ReceptionClaimLength == 4
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assert pkt[LTP].ReportReceptionClaims[1].ReceptionClaimOffset == 2
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assert pkt[LTP].HeaderExtensions[0].ExTag == 1
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assert pkt[LTP].HeaderExtensions[0].ExData == b"\x00"
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s = pkt.summary()
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s
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assert s.replace("ltp_deepspace", "1113") == 'Ether / IP / UDP 192.168.0.1:1113 > 192.168.0.2:1113 / LTP 113'
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