commit 3e7c5e9f4464e5ca5f33f1206af72580b9dc4e20 Author: George Kadianakis desnacked@riseup.net Date: Mon Sep 15 15:27:27 2014 +0300

Block circuit canibalization when Tor2webRendezvousPoints is active. --- src/or/circuituse.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/or/circuituse.c b/src/or/circuituse.c index bd42bd3..6304a4d 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -1646,6 +1646,7 @@ circuit_launch_by_extend_info(uint8_t purpose, { origin_circuit_t *circ; int onehop_tunnel = (flags & CIRCLAUNCH_ONEHOP_TUNNEL) != 0; + int need_specific_rp = 0;

if (!onehop_tunnel && !router_have_minimum_dir_info()) { log_debug(LD_CIRC,"Haven't fetched enough directory info yet; canceling " @@ -1653,8 +1654,17 @@ circuit_launch_by_extend_info(uint8_t purpose, return NULL; }

+ /* If Tor2webRendezvousPoints is enabled and we are dealing with an + RP circuit, we want a specific RP node so we shouldn't canibalize + an already existing circuit. */ + if (get_options()->Tor2webRendezvousPoints && + purpose == CIRCUIT_PURPOSE_C_ESTABLISH_REND) { + need_specific_rp = 1; + } + if ((extend_info || purpose != CIRCUIT_PURPOSE_C_GENERAL) && - purpose != CIRCUIT_PURPOSE_TESTING && !onehop_tunnel) { + purpose != CIRCUIT_PURPOSE_TESTING && + !onehop_tunnel && !need_specific_rp) { /* see if there are appropriate circs available to cannibalize. */ /* XXX if we're planning to add a hop, perhaps we want to look for * internal circs rather than exit circs? -RD */