[tor-bugs] #20956 [Core Tor/Tor]: optionally do not write command line config to torrc

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#20956: optionally do not write command line config to torrc
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 Reporter:  mcs           |          Owner:
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.0.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  tbb-wants     |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by arma):

 See ticket #586 for a similar issue we had with Vidalia long ago: it
 wanted to put a HashedControlPassword on the command-line, but writing it
 during saveconf made no sense since it was generated fresh each time.

 The answer there was to create a separate
 {{{__HashedControlSessionPassword}}} config option. The {{{__}}} part
 makes it not get saved during saveconf:
 {{{
     /* Don't save 'hidden' control variables. */
     if (!strcmpstart(fmt->vars[i].name, "__"))
       continue;
 }}}

 Maybe some similar solution would be helpful here? "session control port"
 and "session socks port"?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20956#comment:2>
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