[tor-bugs] #17610 [Tor]: Merge ExitPolicyRejectPrivate changes into 0.2.6.10

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#17610: Merge ExitPolicyRejectPrivate changes into 0.2.6.10
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 Reporter:  teor                                 |          Owner:
     Type:  defect                               |         Status:
 Priority:  High                                 |  needs_review
Component:  Tor                                  |      Milestone:  Tor:
 Severity:  Normal                               |  0.2.6.x-final
 Keywords:  TorCoreTeam201511, security,         |        Version:  Tor:
  026-backport                                   |  unspecified
Parent ID:  #17027                               |     Resolution:
  Sponsor:                                       |  Actual Points:
                                                 |         Points:
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Comment (by teor):

 Replying to [comment:3 nickm]:
 > This seems like a fine idea.  were there any conflicts when you cherry-
 picked the patches, or did they cherry-pick cleanly?

 They required a rewrite: the code for 0.2.6.10 is limited to the utility
 functions available in that release.

 (get_interface_address_6  changed in 0.2.7, and then I refactored it
 further to return a list. The dependencies were too much to backport to
 0.2.6. So 0.2.6 uses a get_interface_address_6 that returns a single
 interface address. The rewritten code blocks this one address, rather than
 blocking an entire list like in 0.2.7 / master.)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17610#comment:4>
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