[tor-bugs] #30866 [Core Tor/Tor]: Teach config.c to work with options configured in other modules

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#30866: Teach config.c to work with options configured in other modules
--------------------------+------------------------------------
 Reporter:  nickm         |          Owner:  nickm
     Type:  enhancement   |         Status:  needs_revision
 Priority:  Medium        |      Milestone:  Tor: 0.4.3.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:  #29211        |         Points:  2
 Reviewer:  teor          |        Sponsor:  Sponsor31-can
--------------------------+------------------------------------

Comment (by nickm):

 I've run into a hitch with "nickm will add some tests for crypto NSS using
 test_parseconf.sh".  There is no way to make crypto_openssl_late_init()
 fail.  When it gets a nonexistent engine, it warns, but does not consider
 it an error.  This behavior is probably reasonable, so I don't think we
 should change it.

 I've added the test nonetheless, but I don't think the behavior will
 change for NSS: it is a success in both cases.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30866#comment:11>
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