[tor-bugs] #21117 [Core Tor/Tor]: can't migrate onion services to single-hop onion services

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#21117: can't migrate onion services to single-hop onion services
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 Reporter:  weasel                |          Owner:  teor
     Type:  defect                |         Status:  assigned
 Priority:  Medium                |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor/Tor          |        Version:  Tor: 0.2.9.8
 Severity:  Normal                |     Resolution:
 Keywords:  tor-hs, single-onion  |  Actual Points:  0.1
Parent ID:                        |         Points:  1
 Reviewer:                        |        Sponsor:
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Changes (by teor):

 * keywords:  tor-hs, single-onion, 029-backport, 030-backport => tor-hs,
     single-onion


Comment:

 Replying to [comment:22 dgoulet]:
 > Replying to [comment:21 teor]:
 > > We spoke with nickm earlier in the week, and decided to add another
 option. It will allow transitions in both directions, and set the
 poisoning state to match.
 > >
 > > I will do the fix for legacy hidden services, and dgoulet will change
 the next-generation implementation to match.
 > >
 > > Since 0.2.9 is a LTS release, I hope we can backport this fix there.
 >
 > We can't and shouldn't backport this. Adding a new torrc option to a
 stable version can't be backport, it's an ABI change basically.

 Ok, fair enough.

 > Actually, I do *not* recall us deciding to do this fix for legacy hidden
 service... ?

 I spoke to dgoulet and we both remembered that we wanted to fix this for
 legacy hidden services.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21117#comment:23>
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