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dnsdist: Carry the exact incoming protocol (Do53, DNSCrypt, DoT, DoH) in DQ #10537

merged 11 commits into from
Jul 7, 2021


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@rgacogne rgacogne commented Jun 29, 2021

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This turned out to be more difficult than I expected. Part of the work already existed in #10338 but was not enough to be able to pass the right protocol to dnstap, which I wanted to do since it now supports DoT and DoH (updated dnstap.proto is included in this PR).

Fixes #10497.

I added the "backport to dnsdist-1.6.x" label because I think we need to fix the dnstap issue on that branch as well, but we clearly should not backport this PR. Perhaps a simple test on whether the request was received over DoH (dq.du is not nullptr) would be enough for 1.6.x?


I have:

  • read the document
  • compiled this code
  • tested this code
  • included documentation (including possible behaviour changes)
  • documented the code
  • added or modified regression test(s)
  • added or modified unit test(s)

We don't support the exact transport yet.
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@omoerbeek omoerbeek left a comment

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Indeed much longer that you'd think. Anyway, looks good (with a few nits).

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@rgacogne rgacogne merged commit 3d29bc4 into PowerDNS:master Jul 7, 2021
@rgacogne rgacogne deleted the ddist-exact-protocol-in-dq branch July 7, 2021 10:08
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dnsdist: dnstap writes down wrong protocol
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