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| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | src/or/circuitbuild.c | 5 |
2 files changed, 7 insertions, 0 deletions
@@ -30,6 +30,8 @@ Changes in version 0.2.1.13-????? - 2009-02-?? seconds. Bugfix on 0.1.2.7-alpha; reported by Mike Perry. - Drop begin cells to a hidden service if they come from the middle of a circuit. Patch from lark. + - When we erroneously receive two EXTEND cells for the same circuit ID + on the same connection, drop the second. Patch from lark. o Minor features: - On Linux, use the prctl call to re-enable core dumps when the user diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 12db9dd7c..42da9e6fe 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -735,6 +735,11 @@ circuit_extend(cell_t *cell, circuit_t *circ) "n_conn already set. Bug/attack. Closing."); return -1; } + if (circ->n_hop) { + log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL, + "conn to next hop already launched. Bug/attack. Closing."); + return -1; + } if (!server_mode(get_options())) { log_fn(LOG_PROTOCOL_WARN, LD_PROTOCOL, |