[tor-bugs] #31088 [Core Tor/Tor]: Check IPv4 and IPv6 private addresses in descriptors, first hops, and extends

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#31088: Check IPv4 and IPv6 private addresses in descriptors, first hops, and
extends
-------------------------------------------------+-------------------------
 Reporter:  teor                                 |          Owner:  neel
     Type:  defect                               |         Status:
                                                 |  needs_revision
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.2.x-final
Component:  Core Tor/Tor                         |        Version:  Tor:
                                                 |  0.2.3.21-rc
 Severity:  Normal                               |     Resolution:
 Keywords:  ipv6, tor-relay, tor-client, tor-    |  Actual Points:
  dirauth                                        |
Parent ID:  #24403                               |         Points:
 Reviewer:  nickm, teor                          |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by teor):

 * status:  needs_review => needs_revision


Comment:

 There are still a few unnecessary changes, I added comments to the pull
 request.

 I'll leave the final review to nickm.

 I did a draft implementation of #21003 so that we can see the IPv6
 addresses in router_describe().

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31088#comment:16>
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