
29 Jun
2016
29 Jun
'16
11:10 p.m.
Thank you Tim! For the record, GETINFO works ok in 0.2.8.4-rc (unstable). HSFETCH still doesn't and I'll file a bug for it. Razvan On Thu, Jun 30, 2016 at 1:28 AM, Tim Wilson-Brown - teor <teor2345@gmail.com > wrote: > > > On 30 Jun 2016, at 06:42, Razvan Dragomirescu < > razvan.dragomirescu@veri.fi> wrote: > > > > BTW, I have also tried the GETINFO command from the controller to fetch > the hidden service descriptor directly from the host that has published it, > but that doesn't work either. Fetching from the client side (after a > connection) works fine: > > > > AUTHENTICATE > > 250 OK > > GETINFO hs/client/desc/id/js2usypscw6y6c5e > > 250+hs/client/desc/id/js2usypscw6y6c5e= > > rendezvous-service-descriptor 7codget3fmkzj4z3oqia37iknu5iespk > > ... > > . > > 250 OK > > > > > > Fetching from the server side though .... > > > > GETINFO hs/service/desc/id/js2usypscw6y6c5e > > 552 Unrecognized key "hs/service/desc/id/js2usypscw6y6c5e" > > > > Any ideas? I'm running Tor 0.2.7.6 btw. This also appears to happen with > non-authenticated services, but the hs/service/desc/id/<ADDR> was supposed > to have been merged back in 0.2.7.1 (??). > > Perhaps GETINFO only looks in the HS cache, but hidden services don't > cache their own descriptors? > > > On Wed, Jun 29, 2016 at 11:14 PM, Razvan Dragomirescu < > razvan.dragomirescu@veri.fi> wrote: > > Hello everyone, > > > > I seem to have found an issue (bug?) with the controller HSFETCH command > - I can't seem to be able to fetch hidden service descriptors for services > that use basic authentication. Tor appears to want to decrypt the > introduction points for some reason and also fails to look at the > HidServAuth directive. Connections (via SOCKS proxy for instance) to said > service work fine, so Tor is configured correctly, but HSFETCH fails and > Tor outputs this in the logs: > > > > Jun 29 20:08:53.000 [warn] Failed to parse introduction points. Either > the service has published a corrupt descriptor or you have provided invalid > authorization data. > > > > Jun 29 20:08:53.000 [warn] Fetching v2 rendezvous descriptor failed. > Retrying at another directory. > > > > Is this a known issue? Is there another way to fetch the descriptor of a > hidden service? I really don't want it to be published since I'm rewriting > it anyway, but I need to fetch it somehow. I can use > "PublishHidServDescriptors 0" to stop it from publishing the service at all > but I have no idea how to fetch it from the local cache. Any controller > commands for that? > > > > To summarize - HSFETCH appears to fail for hidden services with basic > auth and I couldn't find a way to obtain the hidden service descriptor from > the hidden service machine itself before publishing. Any advice would be > appreciated. > > Perhaps HSFETCH only looks in the HS cache, but hidden services don't > cache their own descriptors? > Perhaps HSFETCH doesn't look at HidServAuth? > Perhaps HSFETCH shouldn't try to decrypt the descriptor before delivering > it? Perhaps it should? > > I encourage you to log an issue for each of these in our bug tracker at > https://trac.torproject.org/ > > Tim > > Tim Wilson-Brown (teor) > > teor2345 at gmail dot com > PGP 968F094B > ricochet:ekmygaiu4rzgsk6n > > > > > _______________________________________________ > tor-dev mailing list > tor-dev@lists.torproject.org > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-dev > >