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70 lines
2.6 KiB
70 lines
2.6 KiB
# DNS OPT Resource Record unit tests
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#
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# Type the following command to launch start the tests:
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# $ sudo bash test/run_tests -t test/edns0.uts -F
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+ Test EDNS0 rdata
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= EDNS0TLV(), basic instanciation
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tlv = EDNS0TLV()
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raw(tlv) == b'\x00\x00\x00\x00'
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= EDNS0TLV(), check parameters
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tlv = EDNS0TLV(optcode=42, optlen=12, optdata="edns0tlv")
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raw(tlv) == b'\x00*\x00\x0cedns0tlv'
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= EDNS0TLV(), check computed optlen
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tlv = EDNS0TLV(optdata="edns0tlv")
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raw(tlv) == b'\x00\x00\x00\x08edns0tlv'
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= EDNS0TLV(), dissection
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tlv = EDNS0TLV(b'\x00*\x00\x08edns0tlv')
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tlv.optcode == 42 and tlv.optlen == 8 and tlv.optdata == b"edns0tlv"
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+ Test OPT RR
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= DNSRROPT(), basic instanciation
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opt = DNSRROPT()
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raw(opt) == b'\x00\x00)\x10\x00\x00\x00\x80\x00\x00\x00'
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= DNSRROPT(), check parameters
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opt = DNSRROPT(rrname="rropt", type=42, rclass=123, extrcode=1, version=2, z=3, rdlen=4, rdata=[EDNS0TLV()])
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raw(opt) == b'\x05rropt\x00\x00*\x00{\x01\x02\x00\x03\x00\x04\x00\x00\x00\x00'
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= DNSRROPT() & EDN0TLV(), check parameters
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opt = DNSRROPT(rrname="rropt", type=42, rclass=123, extrcode=1, version=2, z=3, rdlen=4, rdata=[EDNS0TLV(optcode=42, optlen=12, optdata="edns0tlv")])
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raw(opt) == b'\x05rropt\x00\x00*\x00{\x01\x02\x00\x03\x00\x04\x00*\x00\x0cedns0tlv'
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= DNSRROP(), dissection
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opt = DNSRROPT(b'\x05rropt\x00\x00*\x00{\x01\x02\x00\x03\x00\x0c\x00*\x00\x0cedns0tlv')
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opt.rrname == b"rropt." and opt.rdlen == 12 and opt.rdata[0].optcode == 42 and opt.rdata[0].optdata == b"edns0tlv"
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+ Test EDNS-PING
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= EDNS-PING - basic instanciation
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tlv = EDNS0TLV(optcode=5, optdata=b"\x00\x11\x22\x33")
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raw(tlv) == b'\x00\x05\x00\x04\x00\x11"3'
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#= EDNS-PING - Live test
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#~ netaccess
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#* NB: 85.17.219.217 and www.edns-ping.org seem down
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#old_debug_dissector = conf.debug_dissector
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#conf.debug_dissector = False
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#r = sr1(IP(dst="85.17.219.217")/UDP()/DNS(qd=[DNSQR(qtype="A", qname="www.edns-ping.org.")], ar=[DNSRROPT(z=0, rdata=[EDNS0TLV(optcode="PING", optdata=b"\x00\x11\x22\x33")])]), timeout=1)
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#conf.debug_dissector = old_debug_dissector
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#len(r.ar) and r.ar.rdata[0].optcode == 4 # XXX: should be 5
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+ Test DNS Name Server Identifier (NSID) Option
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= NSID- basic instanciation
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tlv = EDNS0TLV(optcode=2, optdata="")
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raw(tlv) == b'\x00\x02\x00\x00'
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= NSID - Live test
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~ netaccess
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old_debug_dissector = conf.debug_dissector
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conf.debug_dissector = False
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r = sr1(IP(dst="l.root-servers.net")/UDP()/DNS(qd=[DNSQR(qtype="SOA", qname=".")], ar=[DNSRROPT(z=0, rdata=[EDNS0TLV(optcode="NSID")])]), timeout=1)
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conf.debug_dissector = old_debug_dissector
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len(r.ar) and DNSRROPT in r.ar and len(r.ar[DNSRROPT].rdata) and len([x for x in r.ar[DNSRROPT].rdata if x.optcode == 3])
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