[tor-bugs] #32373 [Core Tor/Tor]: Create a way to scan all configured file paths

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#32373: Create a way to scan all configured file paths
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     Reporter:  teor           |      Owner:  (none)
         Type:  enhancement    |     Status:  new
     Priority:  Medium         |  Milestone:  Tor: 0.4.3.x-final
    Component:  Core Tor/Tor   |    Version:
     Severity:  Normal         |   Keywords:  network-team-roadmap-?
Actual Points:                 |  Parent ID:  #29211
       Points:  2              |   Reviewer:
      Sponsor:  Sponsor31-can  |
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 We often want to do checks on all configured file paths:
 * relative paths
 * runtime immutability
 * sandbox immutability

 We need to scan:
 * type FILENAME
 * HiddenServiceDir
 * Log files
 * *Port unix sockets
 * ControlSocket
 * Any options that activate a file path, but don't allow it to be
 configured (OnionAuth etc.)

 Follow up to #32339 and #32344.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32373>
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