[tor-bugs] #33679 [Core Tor/Tor]: Make sure every address function that takes for_listening supports IPv6

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#33679: Make sure every address function that takes for_listening supports IPv6
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     Reporter:  teor           |      Owner:  (none)
         Type:  task           |     Status:  new
     Priority:  Medium         |  Milestone:  Tor: 0.4.4.x-final
    Component:  Core Tor/Tor   |    Version:
     Severity:  Normal         |   Keywords:  prop312, ipv6, outreachy-ipv6
Actual Points:                 |  Parent ID:  #33049
       Points:  0.5            |   Reviewer:
      Sponsor:                 |
  Sponsor55-must               |
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 We need to make sure all of our basic address functions support IPv6.

 For example, tor_addr_is_valid() only supports IPv4 for_listening.

 We need to make this change before we create generic IPv6 listeners for
 proposal 312.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33679>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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