commit b10735903b8135c9295e356ad7ea2222a339ab14 Author: Robert Ransom rransom.8774@gmail.com Date: Sat Sep 10 20:54:26 2011 -0400

Demote HS 'replay detected' log message for DH public keys to info level --- changes/bug2442 | 8 ++++++++ src/or/rendservice.c | 9 ++++++++- 2 files changed, 16 insertions(+), 1 deletions(-)

diff --git a/changes/bug2442 b/changes/bug2442 new file mode 100644 index 0000000..cbcc22b --- /dev/null +++ b/changes/bug2442 @@ -0,0 +1,8 @@ + * Minor bugfixes: + + - Demote the 'replay detected' log message emitted when a hidden + service receives the same Diffie-Hellman public key in two + different INTRODUCE2 cells to info level. A normal Tor client + can cause that log message during its normal operation. Bugfix + on 0.2.1.6-alpha; fixes part of bug 2442. + diff --git a/src/or/rendservice.c b/src/or/rendservice.c index 926f380..5f55537 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -1123,7 +1123,14 @@ rend_service_introduce(origin_circuit_t *circuit, const uint8_t *request, * part 1. */ access_time = digestmap_get(service->accepted_intros, diffie_hellman_hash); if (access_time != NULL) { - log_warn(LD_REND, "Possible replay detected! We received an " + /* A Tor client will send a new INTRODUCE1 cell with the same rend + * cookie and DH public key as its previous one if its intro circ + * times out while in state CIRCUIT_PURPOSE_C_INTRODUCE_ACK_WAIT . + * If we received the first INTRODUCE1 cell (the intro-point relay + * converts it into an INTRODUCE2 cell), we are already trying to + * connect to that rend point (and may have already succeeded); + * drop this cell. */ + log_info(LD_REND, "We received an " "INTRODUCE2 cell with same first part of " "Diffie-Hellman handshake %d seconds ago. Dropping " "cell.",