[tor-bugs] #15435 [Tor]: Tor should not close stdin on child processes.

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#15435: Tor should not close stdin on child processes.
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     Reporter:  yawning    |      Owner:
         Type:             |     Status:  needs_review
  enhancement              |  Milestone:  Tor: 0.2.7.x-final
     Priority:  normal     |    Version:  Tor: unspecified
    Component:  Tor        |   Keywords:  tor-pt, needs-spec-patch pt-wants
   Resolution:             |  Parent ID:
Actual Points:             |
       Points:             |
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Changes (by yawning):

 * status:  new => needs_review


Comment:

 Ok, I'll write up the pt-spec.txt changes momentarily, but since the code
 is done, `needs_review`ing.

 The TLDR for the pt-spec.txt changes is "If the env. var
 'TOR_PT_EXIT_ON_STDIN_CLOSE' is set to '1', implementations MAY terminate
 immediately if stdin is closed.".

 tor: https://github.com/Yawning/tor/compare/feature15435
 obfs4proxy (Example usage):
 https://github.com/Yawning/obfs4/compare/feature15435

 NB: While I think the Windows version of the code is correct, it is
 entirely untested.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15435#comment:6>
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