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Abandon rendezvous circuits on SIGNAL NEWNYM

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This commit is contained in:
Robert Ransom 2011-06-09 19:56:40 -07:00 committed by Nick Mathewson
parent bf4b819aae
commit 010b8dd4f6
2 changed files with 10 additions and 1 deletions
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8
changes/abandon-rend-circs-on-newnym Normal file
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@ -0,0 +1,8 @@
o Security fixes:
- Don't attach new streams to old rendezvous circuits after SIGNAL
NEWNYM. Previously, we would keep using an existing rendezvous
circuit if it remained open (i.e. if it were kept open by a
long-lived stream or if a new stream were attached to it before
Tor could notice that it was old and no longer in use and close
it). Bugfix on 0.1.1.15-rc; fixes bug 3375.

3
src/or/circuituse.c
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@ -59,7 +59,8 @@ circuit_is_acceptable(circuit_t *circ, edge_connection_t *conn,
return 0; return 0;
} }
if (purpose == CIRCUIT_PURPOSE_C_GENERAL) if (purpose == CIRCUIT_PURPOSE_C_GENERAL ||
purpose == CIRCUIT_PURPOSE_C_REND_JOINED)
if (circ->timestamp_dirty && if (circ->timestamp_dirty &&
circ->timestamp_dirty+get_options()->MaxCircuitDirtiness <= now) circ->timestamp_dirty+get_options()->MaxCircuitDirtiness <= now)
return 0; return 0;