[tor-bugs] #7555 [Tor]: MapAddress from FQDN to .onion fails because resolve requests for hidden services are not allowed.

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Nov 23 14:38:55 UTC 2012


#7555: MapAddress from FQDN to .onion fails because  resolve requests for hidden
services are not allowed.
------------------------+---------------------------------------------------
 Reporter:  aagbsn      |          Owner:                  
     Type:  defect      |         Status:  new             
 Priority:  minor       |      Milestone:  Tor: unspecified
Component:  Tor         |        Version:  Tor: unspecified
 Keywords:  tor-client  |         Parent:                  
   Points:              |   Actualpoints:                  
------------------------+---------------------------------------------------

Comment(by aagbsn):

 Replying to [comment:2 nickm]:
 > Is this in fact doing a resolve, or a direct request?  If it's doing a
 direct connection attempt, this is indeed a bug.

 The socks connection is to [scrubbed]:0, which suggests a resolve IIRC.
 The debug log indicates that it fails at:

 {{{
 connection_edge.c:1266 (0f9524dbd0590c62a31b7d783a2ecbea7dbdcd37):

    if (SOCKS_COMMAND_IS_RESOLVE(socks->command)) {
       /* if it's a resolve request, fail it right now, rather than
        * building all the circuits and then realizing it won't work. */
       log_warn(LD_APP,
                "Resolve requests to hidden services not allowed.
 Failing.");
 }}}


 >If it's doing a resolve, I'm not sure what your desired behavior is here.
 What should the behavior be for trying to look up the IP for a .onion
 address?  What IP address should it give in return?

 Ideally whatever IP a request for a hidden service would normally return?
 I'm afraid I assumed that clients always did a lookup for xyz.onion and
 Tor made this work transparently.

 >
 > Maybe "automaphostsonresolve" will do what you want here?
 >
 > (If you have automaphostsonresolve turned on, but this isn't working,
 that might also be a bug.)

 Yep, see my torrc above.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/7555#comment:4>
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