[tor-bugs] #25295 [Core Tor/Torsocks]: Torsocks only accepts IPv4 replies but Tor prefers IPv6Automap by default

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Feb 18 10:30:44 UTC 2018


#25295: Torsocks only accepts IPv4 replies but Tor prefers IPv6Automap by default
-----------------------------------+--------------------------------
     Reporter:  fuzzyTew           |      Owner:  dgoulet
         Type:  defect             |     Status:  new
     Priority:  Medium             |  Milestone:
    Component:  Core Tor/Torsocks  |    Version:  Tor: 0.3.3.2-alpha
     Severity:  Major              |   Keywords:  tor torsocks ipv6
Actual Points:                     |  Parent ID:
       Points:                     |   Reviewer:
      Sponsor:                     |
-----------------------------------+--------------------------------
 At the moment, MapAddress .exit entries won't resolve through torsocks for
 me, because tor gives an IPv6 reply, and torsocks is only designed for
 IPv4 replies.

 Torsocks gives the characteristic error `[socks5] Resolve destination
 buffer too small (in socks5_recv_resolve_reply() at socks5.c:681)` when
 tor replies with an IPv6 address, which it does every single time for
 mapaddress .exit entries for me.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25295>
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