[tor-bugs] #25568 [Core Tor/Tor]: hs: Lookup failure cache when introducing to an intro point

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#25568: hs: Lookup failure cache when introducing to an intro point
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 Reporter:  dgoulet                              |          Owner:  neel
     Type:  defect                               |         Status:  closed
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:  fixed
 Keywords:  security, tor-hs,                    |  Actual Points:  0.1
  034-triage-20180328, 034-removed-20180328,     |
  035-backport-maybe, 040-backport-maybe, 041    |
  -backport-maybe, 042-backport-maybe,           |
  BugSmashFund                                   |
Parent ID:                                       |         Points:  0.1
 Reviewer:  asn                                  |        Sponsor:
                                                 |  Sponsor27-must
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Comment (by dgoulet):

 Replying to [comment:28 arma]:
 > Replying to [comment:15 dgoulet]:
 > > It should be allowed to have more than once the same intro point in
 the descriptor.
 >
 > Why should this be allowed? Is there any benefit to it?
 >
 > Handling it correctly sounds good, but disallowing it in the spec sounds
 good too right?

 Yeah I said that solely based on the fact that the spec doesn't
 specifically mention that it is not allowed.

 We could easily clarify the spec there and then move the code to consider
 any descriptor with the same intro point a "bad descriptor". Not much
 incentive on my part though to make it happen "soon" :P.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25568#comment:29>
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