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Re: [tor-bugs] #11101 [Tor]: Bridges should report implementation versions of their pluggable transports



#11101: Bridges should report implementation versions of their pluggable transports
-----------------------------+--------------------------------
     Reporter:  arma         |      Owner:
         Type:  enhancement  |     Status:  new
     Priority:  normal       |  Milestone:  Tor: 0.2.6.x-final
    Component:  Tor          |    Version:
   Resolution:               |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |
-----------------------------+--------------------------------

Comment (by sysrqb):

 (Not having followed the scramblesuit review, this is a general answer)

 For advertising to a third-party which version of a PT the bridge runs the
 extra-info document will be the place to do it. The pt spec places some
 restrictions on the name:

 {{{
   Method names MUST be C identifiers. That is, method names must begin
   with a letter or underscore and the rest of the characters can be
   letters, numbers or underscores. No length limit is imposed. The
   relevant regular expression is: "[a-zA-Z_][a-zA-Z0-9_]*".
 }}}

 so if we amend dir-spec to specify that the `transport` line in the extra-
 info document can include the version by appending a -version_number
 suffix to the name, then this can be retrieved and removed by other
 players (e.g. bridgedb, metrics, etc), e.g. obfsproxy-0.2.6. I'm
 interested if there's a better way than this, though.

 The only catch (that I know of) is that the PT will need to tell tor its
 version number, and I'm not aware of an available mechanism for this (but
 maybe I missed it).

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11101#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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