[tor-bugs] #9925 [Tor]: Directory Authorities can crash client/relay
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Mon Oct 14 12:23:24 UTC 2013
#9925: Directory Authorities can crash client/relay
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Reporter: sysrqb | Owner:
Type: defect | Status: needs_review
Priority: normal | Milestone: Tor: 0.2.5.x-final
Component: Tor | Version:
Resolution: | Keywords:
Actual Points: | Parent ID:
Points: |
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Comment (by sysrqb):
Replying to [comment:5 nickm]:
> Another option might be to mark the descriptor as "just don't download
this." Possibly that's a better idea.
The latter idea seems better. I was looking at the available
routerstatus_t fields, but it seemed abusive to use any of them. For this,
I think it will be smarter just to disqualify the router for the current
consensus period somehow.
> > Is there a reason to pass seen_descriptor_digests as a parameter?
>
> It needs to stay around between invocations of
routerstatus_parse_entry_from_string, since each call to
routerstatus_parse_entry_from_string will parse only a single entry, but
we want to check (as we parse each entry) whether we have seen *any*
duplicate entries before.
Ah, I missed that key fact, thanks.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9925#comment:7>
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