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Re: [tor-bugs] #9349 [Flashproxy]: flashproxy facilitator: Allow clients to specify transports
#9349: flashproxy facilitator: Allow clients to specify transports
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Reporter: asn | Owner: dcf
Type: task | Status: new
Priority: normal | Milestone:
Component: Flashproxy | Version:
Resolution: | Keywords:
Actual Points: | Parent ID: #7167
Points: |
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Comment (by infinity0):
Replying to [comment:17 asn]:
> > `options.relays` should be indexed not by complete transport chains,
but by transport chains excluding their last element. It should be
possible for an obfs3|websocket client to talk to an obfs3|tcp relay, if
there is a proxy that speaks both websocket and tcp. To be specific you
should key by the tuple `("obfs3",)` and not `("obfs3", "websocket")`.
> >
>
> Not yet done.
I've gone ahead and completely re-done this part of the code, including
ripping out the RegSet class. Instead we now have a separate Endpoints
class to keep track of both client and server endpoints (separately of
course).
The added benefit is that we support MOAR THINGS. The obfs3|websocket ->
obfs3|webrtc proxying now works in principle, as well as obfs3|websocket
-> obfs3 (aka obfs3|raw-tcp) proxying for proxies that can open raw
sockets. Additionally, the facilitator now has the ability to ask such raw
proxies to work a websocket -> websocket tunnel, which wasn't possible
with the previous "outermost-transport"-based design, which would have
confined such raw proxies to work raw -> raw tunnels only.
I know this is quite disruptive (282 insertions, 205 deletions) so I've
also heavily documented the new class as well as written quite a lot of
tests for it. I've also fixed a bunch of things, so that "make test"
actually passes on the facilitator. You can see it here:
https://github.com/infinity0/flashproxy/blob/bug9349_server/facilitator/facilitator
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9349#comment:26>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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