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Re: [tor-bugs] #32088 [Core Tor/Tor]: Proposal 308 - choose guards in sampled order
#32088: Proposal 308 - choose guards in sampled order
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Reporter: Jaym | Owner: (none)
Type: enhancement | Status: needs_revision
Priority: Medium | Milestone: Tor: 0.4.4.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: tor-spec prop271 prop308 | Actual Points:
Parent ID: | Points:
Reviewer: nickm | Sponsor:
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Comment (by Jaym):
Hello,
The pull request has been updated.
On loading, Tor sets the sampled_idx to the confirmed_idx. That should
keep older clients to behave the same (and not reordering primary guards).
On the next state save, the sampled_idx should be made dense.
Also, the patch applies now ordering when it seems necessary (a couple of
redundant orderings have been removed).
Also, I was concerned by the fact that Tor assumes integrity of the state
when loading it. If some application has write access to this file, making
the client rotate guards until a chosen one is found shouldn't be too much
of a hard task. Is that kind of threat relevant?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32088#comment:14>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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