[tor-bugs] #30382 [Core Tor/Tor]: Provide control port event for when we are missing v3 client auth for an onion

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#30382: Provide control port event for when we are missing v3 client auth for an
onion
--------------------------------------------+------------------------------
 Reporter:  asn                             |          Owner:  (none)
     Type:  defect                          |         Status:  new
 Priority:  Medium                          |      Milestone:  Tor:
                                            |  0.4.2.x-final
Component:  Core Tor/Tor                    |        Version:
 Severity:  Normal                          |     Resolution:
 Keywords:  tor-hs, tbb-usability, hs-auth  |  Actual Points:
Parent ID:  #14389                          |         Points:
 Reviewer:  6                               |        Sponsor:
--------------------------------------------+------------------------------

Comment (by asn):

 I was thinking that the `CLIENT_AUTH_NEEDED` event would also need a
 `reason` field so that it can distinguish between `client auth is wrong`
 and `client auth is missing`, so that TB can give better error messages
 (see #30237).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30382#comment:1>
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