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hs: Always use a 3-hop path when a v3 single onion rend fails

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Previously, we used a 1-hop path when a single onion rend failed
immediately, and a 3-hop path when it failed after trying to build
a circuit.

Fixes bug 23818; bugfix on 0.3.2.1-alpha.
This commit is contained in:
teor
2019-08-23 14:41:24 +10:00
parent 14b5f40b54
commit c94904b359
1 changed files with 6 additions and 2 deletions
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src/feature/hs/hs_circuit.c
+6 -2
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@@ -405,8 +405,12 @@ launch_rendezvous_point_circuit(const hs_service_t *service,
if (circ_needs_uptime) {
circ_flags |= CIRCLAUNCH_NEED_UPTIME;
}
/* Firewall and policies are checked when getting the extend info. */
if (service->config.is_single_onion) {
/* Firewall and policies are checked when getting the extend info.
*
* We only use a one-hop path on the first attempt. If the first attempt
* fails, we use a 3-hop path for reachability / reliability.
* See the comment in retry_service_rendezvous_point() for details. */
if (service->config.is_single_onion && i == 0) {
circ_flags |= CIRCLAUNCH_ONEHOP_TUNNEL;
}