> On 21 Jul 2020, at 04:39, Dick Franks <rwfra...@gmail.com> wrote: > > > On Thu, 16 Jul 2020 at 21:17, Ben Schwartz <bem...@google.com> wrote: > > Quotes are optional, as with <character-string>. Quotes are only required if > the value contains whitespace. > > I was trying to establish if the quotes indicated the data type. Clearly not. > > The presentation format is optimized for humans and the wire format is > optimized for machines. In particular, when using the named keys it's not > obvious what the numeric ordering is, so keeping them in order when editing a > zone file by hand would be hard. > > blog.cloudflare.com. 300 IN HTTPS ( 1 . > > key1=\005\104\051\045\050\057\005\104\051\045\050\056\005\104\051\045\050\055\002\104\050 > key4=\104\018\026\046\104\018\027\046 > > key6=\038\006\071\000\000\000\000\000\000\000\000\000\104\018\026\046\038\006\071\000\000\000\000\000\000\000\000\000\104\018\027\046 > ) > > "optimized" is not the word which springs to this human's mind. > IMHO, tarted up RFC3597 format is easier to read.
Well the presentation form clearly is designed for printable ASCII to be rendered as ASCII. > Example: > > use Net::DNS; > > my $rr = new Net::DNS::RR <<'END'; > example.net. 300 IN HTTPS 1 target.example.net. > mandatory=key0,key1,alpn,no-default-alpn,key99 ; with duplications > and other sins > alpn=h3-29,h3-28,h3-27,h2 > no-default-alpn > port=1234 > ipv4hint=192.0.2.1,192.0.2.2 > echconfig=base64string > ipv6hint=2001:DB8::1,2001:DB8::2 > END > > $rr->print; > > produces: > > example.net. 300 IN HTTPS ( \# 126 0001 > 06746172676574076578616d706c6503 6e657400 ; target.example.net. > 0000 0004 00010002 Which is a interesting conversion of "mandatory=key0,key1,alpn,no-default-alpn,key99”. I would expect the parser to reject the record as mandatory contains “key0” in the list. I would also expect the parser to reject the record as there is no “key99” in the record. I would never expect the parser to strip out keys listed in mandatory just because they are not present in the rest of the record. > 0001 0015 0568332d32390568332d32380568332d 3237026832 > 0002 0000 > 0003 0002 04d2 > 0004 0008 c0000201c0000202 > 0005 0009 6dab1eeb8b2dae29e0 > 0006 0020 20010db8000000000000000000000001 > 20010db8000000000000000000000002 > ) > > Observations and complaints gratefully received. > > --Dick > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
