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Merge branch 'maint-0.3.0'

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This commit is contained in:
Nick Mathewson 2017-03-07 08:08:28 -05:00
commit ad19f1507a
2 changed files with 19 additions and 4 deletions
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5
changes/bug21594 Normal file
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@ -0,0 +1,5 @@
o Minor bugfixes (hidden services):
- Make hidden services with 8 to 10 introduction points check for failed
circuits immediately after startup. Previously, they would wait for 5
minutes before performing their first checks. Fixes bug 21594; bugfix on
commit 190aac0eab9 in Tor 0.2.3.9-alpha. Reported by alecmuffett.

18
src/or/rendservice.c
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@ -110,9 +110,6 @@ struct rend_service_port_config_s {
/** If we can't build our intro circuits, don't retry for this long. */
#define INTRO_CIRC_RETRY_PERIOD (60*5)
/** Don't try to build more than this many circuits before giving up
* for a while.*/
#define MAX_INTRO_CIRCS_PER_PERIOD 10
/** How many times will a hidden service operator attempt to connect to
* a requested rendezvous point before giving up? */
#define MAX_REND_FAILURES 1
@ -4036,6 +4033,18 @@ rend_service_desc_has_uploaded(const rend_data_t *rend_data)
} SMARTLIST_FOREACH_END(intro);
}
/** Don't try to build more than this many circuits before giving up
* for a while. Dynamically calculated based on the configured number of
* introduction points for the service, n_intro_points_wanted. */
static int
rend_max_intro_circs_per_period(unsigned int n_intro_points_wanted)
{
/* Allow all but one of the initial connections to fail and be
* retried. (If all fail, we *want* to wait, because something is broken.) */
tor_assert(n_intro_points_wanted <= NUM_INTRO_POINTS_MAX);
return (int)(2*n_intro_points_wanted + NUM_INTRO_POINTS_EXTRA);
}
/** For every service, check how many intro points it currently has, and:
* - Invalidate introdution points based on specific criteria, see
* remove_invalid_intro_points comments.
@ -4091,7 +4100,8 @@ rend_consider_services_intro_points(void)
service->intro_period_started = now;
service->n_intro_circuits_launched = 0;
} else if (service->n_intro_circuits_launched >=
MAX_INTRO_CIRCS_PER_PERIOD) {
rend_max_intro_circs_per_period(
service->n_intro_points_wanted)) {
/* We have failed too many times in this period; wait for the next
* one before we try to initiate any more connections. */
continue;