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[tor-talk] tor --verify-config opens listeners? (for short timeframe)



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Hi,

I stumpled on this while debugging an ansible role.

It basically does this:
tor --verify-config -f foo.torrc
tor -f foo.torrc

while the torrc is fine and the first tor execution retuns 0 the
second one will *sometimes* fail (depends on exact timing) because
'tor --verify-config' apparently occupies the ports - so the second
tor invocation can't start anymore because the ports are still in use.

same problem with (I didn't expect that):
tor --verify-config -f foo.torrc && tor -f foo.torrc

If you want to reproduce it you might have to try few times till it
fails (and don't forget to kill tor when it didn't fail).

If this is expected behaviour please update the manual page to include
information that --verify-config actually does quiet a bit more than
reading the configuration file :)


thanks,
Nusenu
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