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Set revision counter before uploading, not during building.

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We only build a descriptor once, and we just re-encode it (and change its intro
points if needed) before uploading.

Hence we should set the revision counter before uploading, not during building.
This commit is contained in:
George Kadianakis 2018-07-12 16:51:31 +03:00 committed by Nick Mathewson
parent 0140052a35
commit 4cfade2f46
1 changed files with 8 additions and 11 deletions
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19
src/or/hs_service.c
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@ -1446,15 +1446,11 @@ build_service_desc_keys(const hs_service_t *service,
* the update function. On success, desc_out will point to the newly allocated
* descriptor object.
*
* If <b>is_current</b> is true, this is the current service descriptor,
* otherwise it's the next one.
*
* This can error if we are unable to create keys or certificate. */
static void
build_service_descriptor(hs_service_t *service, time_t now,
uint64_t time_period_num,
hs_service_descriptor_t **desc_out,
bool is_current)
hs_service_descriptor_t **desc_out)
{
char *encoded_desc;
hs_service_descriptor_t *desc;
@ -1480,9 +1476,6 @@ build_service_descriptor(hs_service_t *service, time_t now,
goto err;
}
/* Set the revision counter for this descriptor */
set_descriptor_revision_counter(desc, now, is_current);
/* Let's make sure that we've created a descriptor that can actually be
* encoded properly. This function also checks if the encoded output is
* decodable after. */
@ -1547,9 +1540,9 @@ build_descriptors_for_new_service(hs_service_t *service, time_t now)
/* Build descriptors. */
build_service_descriptor(service, now, current_desc_tp,
&service->desc_current, 1);
&service->desc_current);
build_service_descriptor(service, now, next_desc_tp,
&service->desc_next, 0);
&service->desc_next);
log_info(LD_REND, "Hidden service %s has just started. Both descriptors "
"built. Now scheduled for upload.",
safe_str_client(service->onion_address));
@ -1580,7 +1573,7 @@ build_all_descriptors(time_t now)
if (service->desc_next == NULL) {
build_service_descriptor(service, now, hs_get_next_time_period_num(0),
&service->desc_next, 0);
&service->desc_next);
log_info(LD_REND, "Hidden service %s next descriptor successfully "
"built. Now scheduled for upload.",
safe_str_client(service->onion_address));
@ -2631,6 +2624,10 @@ run_upload_descriptor_event(time_t now)
* accurate because all circuits have been established. */
build_desc_intro_points(service, desc, now);
/* Set the desc revision counter right before uploading */
set_descriptor_revision_counter(desc, approx_time(),
service->desc_current == desc);
upload_descriptor_to_all(service, desc);
} FOR_EACH_DESCRIPTOR_END;
} FOR_EACH_SERVICE_END;