[tor-bugs] #20261 [Core Tor]: tor_fragile_assert() when Unix domain socket is used

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Oct 10 21:35:29 UTC 2016

#20261: tor_fragile_assert() when Unix domain socket is used
 Reporter:  mcs        |          Owner:  yawning
     Type:  defect     |         Status:  needs_review
 Priority:  High       |      Milestone:  Tor: 0.2.9.x-final
Component:  Core Tor   |        Version:  Tor:
 Severity:  Normal     |     Resolution:
 Keywords:  tbb-needs  |  Actual Points:
Parent ID:             |         Points:
 Reviewer:             |        Sponsor:
Changes (by yawning):

 * status:  assigned => needs_review


 This is ugly because we never bothered to treat AF_UNIX as a full class
 citizen.  In particular `tor_addr_t` doesn't contain the path at all, so
 when we go to compare them, there isn't any information regarding the
 address beyond the family.

 The correct solution is probably to extend tor_addr_t to Do The Right
 Thing, but this branch should cover Tor Browser's use cases.  The first
 commit is probably safe to take since it's the `IsolateClientAddr` change,
 the second may be more controversial.


Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20261#comment:6>
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