[Bug 32607] Message tokens, sent timestamps for SIP message channels

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jan 3 15:55:47 CET 2011


https://bugs.freedesktop.org/show_bug.cgi?id=32607

--- Comment #4 from Simon McVittie <simon.mcvittie at collabora.co.uk> 2011-01-03 06:55:47 PST ---
(In reply to comment #3)
> Please remind me on the breakage condition: will the mere presence of tokens
> that are unique break it? I think Call-ID + CSeq is bulletproof in all good
> implementations, but there might be some rogue endpoints, of course.

The Maemo 5 logger assumes that the same message-token implies the same
message, so if an endpoint is rubbish (or malicious), it can cause earlier
messages with the same (Call-ID, CSeq) tuple to be overwritten.

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