[tor-bugs] #31408 [Core Tor/Tor]: torrc : ClientOnionAuthDir after include directives breaks client to v2 services

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#31408: torrc : ClientOnionAuthDir after include directives breaks client to v2
services
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 Reporter:  xaho                        |          Owner:  asn
     Type:  defect                      |         Status:  assigned
 Priority:  Very High                   |      Milestone:  Tor:
                                        |  0.4.2.x-final
Component:  Core Tor/Tor                |        Version:  Tor: 0.4.0.5
 Severity:  Normal                      |     Resolution:
 Keywords:  tor-hs regression 042-must  |  Actual Points:
Parent ID:                              |         Points:
 Reviewer:                              |        Sponsor:
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Comment (by xaho):

 I chased the culprit and it is... `wip` ! :)  As I wrote, it has only
 comments and empty lines.

 Now to break the config/option parser, I just need any file in torrc.d,
 with a single `#` char in it *and* still, order ClientOnionAuthDir after
 %include in torrc, as documented.

 An empty file or line, seems not enough to break the option parser : it
 has to contain at least one, or more comment(s), but only comments and (
 optional ) empty lines, so I suspect, the file as a whole end up «
 nullified ».  Inserting any valid option in that file, does fix the issue.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31408#comment:10>
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