Re: [Tails-dev] Tails control port filter proxy in Whonix?

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Autor: Patrick Schleizer
Datum:  
To: The Tails public development discussion list, Whonix-devel
Betreff: Re: [Tails-dev] Tails control port filter proxy in Whonix?
anonym:
> Patrick Schleizer:
>> Noticed one incompatibility.
>>
>> ZeroNet uses custom code rather than python-stem to talk to Tor control
>> protocol. It's line handling works with original Tor, but not with the
>> filter.
>
> The filter *should* be able to deal with any client implementation as long as it follow the control-spec, but there can of course be bugs.
>
>> https://github.com/HelloZeroNet/ZeroNet/issues/756
>>
>> https://github.com/Whonix/control-port-filter-python/blob/master/usr/share/tor-controlport-filter/examples/40_zeronet.yml
>
> Given your error:
>
>     TorManager Tor controller connect error: AttributeError: 'NoneType' object has no attribute 'group' in TorManager.py line 160

>
> which triggers in this part of ZeroNet's src/Tor/TorManager.py:
>
>     [...]
>             # Version 0.2.7.5 required because ADD_ONION support
>             res_version = self.send("GETINFO version", conn)
>             version = re.search('version=([0-9\.]+)', res_version).group(1)
>             assert float(version.replace(".", "0", 2)) >= 207.5, "Tor version >=0.2.7.5 required, found: %s" % version

>
>             self.status = u"Connected (%s)" % res_auth
>             self.conn = conn
>     except Exception, err:
>         self.conn = None
>         self.status = u"Error (%s)" % err
>         self.log.error("Tor controller connect error: %s" % Debug.formatException(err))
>     [...]

>
> it seems to me like your filter lacks a rule allowing the "GETINFO version" command.


I don't think so. It's already white listed here:

https://github.com/Whonix/control-port-filter-python/blob/master/etc/tor-controlport-filter.d/30_whonix.yml

Also no rejected messages in journal. Actually, the communication in the
logs looked all correct.

Best regards,
Patrick