[tor-bugs] #23613 [Core Tor/Tor]: some control protocol GETINFO downloads/networkstatus keys are lies

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#23613: some control protocol GETINFO downloads/networkstatus keys are lies
------------------------------+--------------------------------------------
     Reporter:  catalyst      |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: 0.3.3.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  bootstrap tor-control tor-spec
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+--------------------------------------------
 Some of the `GETINFO downloads/networkstatus/*` keys are misleadingly
 named, and some can't possibly produce what they claim to do given the
 internal state of tor.

 During bootstrap, only one flavor of consensus gets downloaded, but there
 are separate download schedules for mirror vs authority.  After bootstrap,
 there are separate download schedules for each flavor of consensus.
 Currently, the control protocol returns authority and mirror bootstrap
 schedules when asked for ns and microdesc bootstrap schedules,
 respectively.

 We should accept `downloads/networkstatus/mirror/bootstrap` and
 `downloads/networkstatus/authority/bootstrap` keywords and return the
 appropriate schedules.

 `downloads/networkstatus/ns/bootstrap` and
 `downloads/networkstatus/microdesc/bootstrap` should only return valid
 results for the flavor we're using to bootstrap.  There is the question of
 whether to return the mirror or authority schedule.

 If the controller doesn't specify bootstrap vs running, should we use the
 "running" schedule during bootstrap if we're asked for a flavor that we're
 not using to bootstrap?

 We should return an error code like `552` (unrecognized entity -- or is a
 different code better here?) if the requested information isn't available.

 Thanks to teor for feedback.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23613>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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