[tor-bugs] #24642 [Obfuscation/meek]: cannot use TOR_PT_EXIT_ON_STDIN_CLOSE with meek-client-torbrowser

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#24642: cannot use TOR_PT_EXIT_ON_STDIN_CLOSE with meek-client-torbrowser
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     Reporter:  mcs               |      Owner:  dcf
         Type:  defect            |     Status:  new
     Priority:  Medium            |  Milestone:
    Component:  Obfuscation/meek  |    Version:
     Severity:  Normal            |   Keywords:
Actual Points:                    |  Parent ID:
       Points:                    |   Reviewer:
      Sponsor:                    |
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 I am using meek built from the 0.28 tag on macOS.

 If I add TOR_PT_EXIT_ON_STDIN_CLOSE=1 to the environment and start meek-
 client-torbrowser, the meek-client process that is started exits
 immediately. It generates this message on its way out:
  synthesizing SIGTERM because of stdin close
 I think this happens because meek-client-torbrowser does not attach stdin
 to anything when starting meek-client.

 I am not sure how best to fix this. One approach would be for meek-client-
 torbrowser to remove TOR_PT_EXIT_ON_STDIN_CLOSE=1 from the environmnt
 before starting meek-client (since meek-client-torbrowser already handles
 TOR_PT_EXIT_ON_STDIN_CLOSE=1 on its own).

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24642>
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