diff options
Diffstat (limited to 'src/or/dos.c')
| -rw-r--r-- | src/or/dos.c | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/src/or/dos.c b/src/or/dos.c index 5af75ca57d..a614d12314 100644 --- a/src/or/dos.c +++ b/src/or/dos.c @@ -31,7 +31,7 @@ static unsigned int dos_cc_enabled = 0; /* Consensus parameters. They can be changed when a new consensus arrives. * They are initialized with the hardcoded default values. */ static uint32_t dos_cc_min_concurrent_conn; -static uint32_t dos_cc_circuit_rate_tenths; +static uint32_t dos_cc_circuit_rate; static uint32_t dos_cc_circuit_burst; static dos_cc_defense_type_t dos_cc_defense_type; static int32_t dos_cc_defense_time_period; @@ -93,14 +93,14 @@ get_param_cc_min_concurrent_connection(const networkstatus_t *ns) /* Return the parameter for the time rate that is how many circuits over this * time span. */ static uint32_t -get_param_cc_circuit_rate_tenths(const networkstatus_t *ns) +get_param_cc_circuit_rate(const networkstatus_t *ns) { /* This is in seconds. */ - if (get_options()->DoSCircuitCreationRateTenths) { - return get_options()->DoSCircuitCreationRateTenths; + if (get_options()->DoSCircuitCreationRate) { + return get_options()->DoSCircuitCreationRate; } - return networkstatus_get_param(ns, "DoSCircuitCreationRateTenths", - DOS_CC_CIRCUIT_RATE_TENTHS_DEFAULT, + return networkstatus_get_param(ns, "DoSCircuitCreationRate", + DOS_CC_CIRCUIT_RATE_DEFAULT, 1, INT32_MAX); } @@ -189,7 +189,7 @@ set_dos_parameters(const networkstatus_t *ns) /* Get the default consensus param values. */ dos_cc_enabled = get_param_cc_enabled(ns); dos_cc_min_concurrent_conn = get_param_cc_min_concurrent_connection(ns); - dos_cc_circuit_rate_tenths = get_param_cc_circuit_rate_tenths(ns); + dos_cc_circuit_rate = get_param_cc_circuit_rate(ns); dos_cc_circuit_burst = get_param_cc_circuit_burst(ns); dos_cc_defense_time_period = get_param_cc_defense_time_period(ns); dos_cc_defense_type = get_param_cc_defense_type(ns); @@ -225,23 +225,7 @@ cc_consensus_has_changed(const networkstatus_t *ns) STATIC uint32_t get_circuit_rate_per_second(void) { - int64_t circ_rate; - - /* We take the burst divided by the rate which is in tenths of a second so - * convert to get a circuit rate per second. */ - circ_rate = dos_cc_circuit_rate_tenths / 10; - if (circ_rate < 0) { - /* Safety check, never allow it to go below 0 else the bucket will always - * be empty resulting in every address to be detected. */ - circ_rate = 1; - } - - /* Clamp it down to a 32 bit value because a rate of 2^32 circuits per - * second is just too much in any circumstances. */ - if (circ_rate > UINT32_MAX) { - circ_rate = UINT32_MAX; - } - return (uint32_t) circ_rate; + return dos_cc_circuit_rate; } /* Given the circuit creation client statistics object, refill the circuit |