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bug#53941: 27.2; socks + tor dont work with https


From: J.P.
Subject: bug#53941: 27.2; socks + tor dont work with https
Date: Mon, 21 Feb 2022 07:01:58 -0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Jacobo <gnuhacker@member.fsf.org> writes:

>> In this day and age, when processes and services resolve host names in
>> all manner of ways, how can we be confident there won't be any leaks?
>
> oh, nevermind

I certainly don't want to discourage anyone from trying to solve this.
But DNS leaks aside, predicting what ought to be proxied still seems
like a serious undertaking (at least from my peabrained perspective).
For example, if you connect to an IRC network over Tor and click a
hyperlink in a channel, should the resulting connection also happen over
Tor? What about when the SOCKS service isn't Tor but something else,
like SSH? Should similar follow-on connections also originate from the
proxy host (your VPS or shell provider, for example)?

>> I also have some examples with shims for 27 running periodically in CI.
>> These include a demo of using ERC to connect to Libera.Chat via SOCKS
>> over TLS. (But that requires an IRCv3 library, which is still a work in
>> progress.)
>
> Now Ive tryed same in other computer with Trisquel 10, the problem still
> happend

Sorry, are you saying you repeated the steps in your original post and
got the same result (failure) on another computer? If so, that's to be
expected because Tor over SOCKS with TLS isn't supported OOTB with any
Emacs, not even 29. Apologies if I implied otherwise.

>> If you're interested in experimenting with any of this stuff, please
>> let me know. That goes for anyone else out there as well. Thanks.
>
> yes, how can I help?

When 28 comes out, you can try applying those patches. Or, if you're not
cool with that, I can give you a replacement socks.el to shadow the
original. To check whether it's working, do

  M-: (boundp 'socks--errors-4) RET

or similar and then try mimicking the recipe in that last patch (the one
named POC demo something). Once that works, try adapting it to your
needs for whatever protocol (except for ERC, for which you'll need to
install an unofficial WIP version).





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