[tor-bugs] #17692 [Tor]: Review every use of onehop_tunnel for assumptions that it's a directory connection

[Tor Bug Tracker & Wiki]

#17692: Review every use of onehop_tunnel for assumptions that it's a directory
connection
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     Reporter:  teor    |      Owner:
         Type:  defect  |     Status:  new
     Priority:  Medium  |  Milestone:  Tor: 0.2.8.x-final
    Component:  Tor     |    Version:  Tor: unspecified
     Severity:  Normal  |   Keywords:
Actual Points:          |  Parent ID:  #17178
       Points:          |    Sponsor:
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 Previously, the only onehop_tunnel connections Tor made were for directory
 fetches.

 But now, with Tor2Web and Rendezvous Single Onion Services (and Single
 Onion Services, when they arrive), several other modes make one-hop
 connections.

 We should check every use of onehop_tunnel to make sure it's not being
 used as a substitute for checking the purpose / type of the connection.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17692>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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