Skip to content

Make options a list again #15

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
miri64 merged 1 commit into from
Jan 27, 2026
Merged

Make options a list again #15

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 8 additions & 4 deletions draft-lenders-dns-cbor.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -425,8 +425,9 @@ Name and record type can be elided as they are always "." and OPT (41), respecti
The UDP payload size may be the first element as an unsigned integer in the array.
It MUST be elided if its value is the default value of 512, the maximum allowable size for unextended DNS over UDP (see {{Sections 2.3.4 and 4.2.1 of -dns}}).

The next element is a map of the options, with the option code (unsigned integer) as key and the option data (byte string) as value.
The type of option data may be extended in future specifications.
The next element is an array of the options as alternating pairs of option code (as unsigned integer) and option data (as byte string).
The type of the option data may be extended in future specifications.
As per {{Section 6.1.2 of -edns}}, the order of options is not defined in this specification, but the considerations to order provided in {{Section 6.1.2 of -edns}} also apply here.

After that, up to three unsigned integers are following.
The first being the extended flags as unsigned integer (implied to be 0 if elided),
Expand All @@ -441,10 +442,13 @@ Note that future EDNS versions may require a different format than the one descr
~~~ cddl
opt-rr = [
? udp-payload-size: max-uint16 .default 512,
options: {* ocode => $$odata },
options: [* opt-pair ],
? opt-rcode-v-flags,
]
ocode = max-uint16
opt-pair = (
ocode: max-uint16,
odata: $$odata,
)
opt-rcode-v-flags = (
flags: max-uint16 .default 0,
? opt-rcode-v,
Expand Down