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Re: [tor-bugs] #28973 [Core Tor/Tor]: Disable TLS1.3 when openssl bug 7712 is present



#28973: Disable TLS1.3 when openssl bug 7712 is present
-------------------------------------------------+-------------------------
 Reporter:  nickm                                |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  merge_ready
 Priority:  High                                 |      Milestone:  Tor:
                                                 |  0.4.0.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.3.4.9
 Severity:  Normal                               |     Resolution:
 Keywords:  033-backport 034-backport            |  Actual Points:
  035-backport                                   |
Parent ID:  #28616                               |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by nickm):

 Replying to [comment:4 ahf]:
 > Code seems to be called correctly when build against OpenSSL 1.1.1a.
 >
 > The patch looks reasonable to me. Only minor nitpick I spot is to maybe
 use `bool` as type for `openssl_bug_7712_is_present` - it is not something
 I have a strong opinion about though.

 I don't think we require stdbool in 0.3.4.

 > Do you think this ticket should become about removing this bugfix at
 some point in the future? Having the checks for the `-2` return value as a
 special case looks a bit funky if seen out of context even with the
 reference to the OpenSSL bug as a comment.

 I think we should have a separate ticket for removing this fix once
 openssl 1.1.1a is long forgotten.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28973#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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