[tor-bugs] #28676 [Core Tor/Tor]: Tor versions of Tor nodes should be accessible through ControlPort

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#28676: Tor versions of Tor nodes should be accessible through ControlPort
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 Reporter:  wagon         |          Owner:  arma
     Type:  enhancement   |         Status:  assigned
 Priority:  Medium        |      Milestone:  Tor: unspecified
Component:  Core Tor/Tor  |        Version:  Tor: 0.3.4.9
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by wagon):

 > As far as I can see, version is never passed to
 `rounterstatus_format_entry()` when formatting for the control port
 If you set `UseMicrodescriptors 0` in `torrc`, a command `GETINFO
 desc/id/FINGERPRINT` will expose Tor version as part of `platform` value.
 So, you can learn Tor versions, but not with default `torrc` options.

 Interestingly, if you put `UseMicrodescriptors 0` for some time, then
 switch back to default (set it to 1), delete `/var/lib/cached-
 descriptors.*`, and reload Tor's config, Tor will continue to provide
 platform and version through `GETINFO desc/id/FINGERPRINT` until restart.
 I think it is because of some caching in Tor's memory.

 However, I agree, it seems that `ns/id/FINGERPRINT` never shows Tor
 version.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28676#comment:5>
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