[tor-bugs] #25870 [Core Tor/Tor]: Fix vanguard restrictions

Tor Bug Tracker & Wiki blackhole at torproject.org
Sun Apr 29 23:10:43 UTC 2018


#25870: Fix vanguard restrictions
--------------------------+------------------------------------
 Reporter:  mikeperry     |          Owner:  (none)
     Type:  defect        |         Status:  needs_review
 Priority:  Medium        |      Milestone:  Tor: 0.3.4.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:  #25546        |         Points:
 Reviewer:  asn           |        Sponsor:
--------------------------+------------------------------------

Comment (by asn):

 Replying to [comment:11 mikeperry]:
 > Ok I edited the commit message to clarify that A - B - A is for sub-
 paths. I also added a commit for Property 6. Otherwise asn's commits are
 taken as-is.
 >
 > https://oniongit.eu/mikeperry/tor/commits/bug25870_v2
 >
 > Leaving as needs_review for asn to have a look at the last commit on
 that branch, which does the refactoring he asked for on IRC, and gives us
 "strong" property 6.

 Sounds good. Please check my branch `bug25870_rebase` which tidies up the
 _v2
 branch a bit by squashing a few commits and giving a more logical flow.
 Feel
 free to not use if you don't like it. Check the diff between
 `bug25870_rebase`
 and `bug25870_v2` to see that the diff is just comments.

 BTW, should we use `DEFAULT_ROUTE_LEN+1` in the latest commit? What
 happens in
 the case of even longer RP/IP/HSDir circuits that could occur because of
 cannibalization? e.g. I remember that Tor clients extend failed IP
 circuits by
 one hop to connect to the next IP, this means that those circuits can end
 up
 being more than 5 hops.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25870#comment:12>
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