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