#28655: If a bridge supports obfs4, don't give out its other flavors
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Reporter: arma | Owner: phw
Type: defect | Status: needs_review
Priority: High | Milestone:
Component: Circumvention/BridgeDB | Version:
Severity: Normal | Resolution:
Keywords: bridgedb | Actual Points:
Parent ID: | Points: 2
Reviewer: | Sponsor: Sponsor19
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Changes (by phw):
* status: needs_revision => needs_review
Comment:
Replying to [comment:17 sysrqb]:
> -
[https://gitweb.torproject.org/user/phw/bridgedb.git/tree/bridgedb/test/test_https_distributor.py?h=bug28655&id=ad034c358a38dcea98948d4b2c50e0758f15ce13#n197
Reusing] `bridges` is a little confusing (used first as a method
parameter), can you use a different variable name?
Yes, good point.
> - I agree extending `SUPPORTED_TRANSPORTS` or creating a new `list`
config option like `PROBING_RESISTANT_TRANSPORTS` is a good idea. Hard-
coding the list of probing resistant PTs in one place is not great, but
hard-coding them in two places is asking for bugs :)
I created a separate `PROBING_RESISTANT_TRANSPORTS` in bridgedb.conf,
right under `SUPPORTED_TRANSPORTS`. I was a bit undecided if this is
something we should expose in the BridgeDB config because it's not meant
to be configurable unless you really know what you're doing. That said, I
agree that a separate config options seems to be the cleanest solution.
> For the leekspin patch, I think it looks good. My only concern is in the
[https://gitweb.torproject.org/user/phw/leekspin.git/tree/leekspin/util.py?id=3bc9c660e8df80fe89693c8e4fad38955011bf20#n65
description] of the new argument. It says `m` out of `n`, but it's not
immediately obvious what `m` is here. `n` is an actual argument (`-n`,
`--descriptors`), but `m` is not a valid argument. Replacing `<m>` with
`<xp>` would make it more readable, or somehow note `m` **is** `xp`: "make
`<m>` (`xp`) out of all `<n>`".
Good point, also fixed.
The latest commit in my branch addresses your review:
https://gitweb.torproject.org/user/phw/bridgedb.git/log/?h=bug28655
And here's the leekspin fix:
https://gitweb.torproject.org/user/phw/leekspin.git/commit/?id=d34c804cd0f01af5206833e62c0dedec8565b235
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28655#comment:18>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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