[tor-bugs] #9680 [Tor]: get_datadir_fname2_suffix() should create missing directories as needd

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#9680: get_datadir_fname2_suffix() should create missing directories as needd
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 Reporter:  nickm        |          Owner:
     Type:  enhancement  |         Status:  new
 Priority:  minor        |      Milestone:  Tor: unspecified
Component:  Tor          |        Version:
 Keywords:  tor-relay    |  Actual Points:
Parent ID:               |         Points:
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 In #9645, mr-4 notes that Tor behaves inconsistently if the datadir gets
 obliterated.  IMO, removing the datadir of a running Tor is not a
 supported operation... but that's no reason not to be a little robust when
 we can.

 One opportunity we have here is to just make get_datadir_fname2_suffix()
 always check whether the directory it's about to give a fname in exists,
 and if so, create it.  (We should audit its uses though to make sure
 that's sensible.  Perhaps it needs to take a create-dir-if-needed flag.)

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9680>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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