diff options
Diffstat (limited to 'src/or')
| -rw-r--r-- | src/or/dos.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/or/dos.c b/src/or/dos.c index 9e8a7a9abe..e7f3241ef4 100644 --- a/src/or/dos.c +++ b/src/or/dos.c @@ -309,6 +309,16 @@ cc_stats_refill_bucket(cc_client_stats_t *stats, const tor_addr_t *addr) new_circuit_bucket_count = MIN(stats->circuit_bucket + (uint32_t)num_token, dos_cc_circuit_burst); } + + /* This function is not allowed to make the bucket count larger than the + * burst value */ + tor_assert_nonfatal(new_circuit_bucket_count <= dos_cc_circuit_burst); + /* This function is not allowed to make the bucket count smaller, unless it + * is decreasing it to a newly configured, lower burst value. We allow the + * bucket to stay the same size, in case the circuit rate is zero. */ + tor_assert_nonfatal(new_circuit_bucket_count >= stats->circuit_bucket || + new_circuit_bucket_count == dos_cc_circuit_burst); + log_debug(LD_DOS, "DoS address %s has its circuit bucket value: %" PRIu32 ". Filling it to %" PRIu32 ". Circuit rate is %" PRIu64 ". Elapsed time is %" PRIi64, |