diff options
Diffstat (limited to 'src/or/entrynodes.c')
| -rw-r--r-- | src/or/entrynodes.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/or/entrynodes.c b/src/or/entrynodes.c index 5b0e342662..a766f6cba3 100644 --- a/src/or/entrynodes.c +++ b/src/or/entrynodes.c @@ -1694,6 +1694,27 @@ getinfo_helper_entry_guards(control_connection_t *conn, return 0; } +/** Return 0 if we should apply guardfraction information found in the + * consensus. A specific consensus can be specified with the + * <b>ns</b> argument, if NULL the most recent one will be picked.*/ +int +should_apply_guardfraction(const networkstatus_t *ns) +{ + /* We need to check the corresponding torrc option and the consensus + * parameter if we need to. */ + const or_options_t *options = get_options(); + + /* If UseGuardFraction is 'auto' then check the same-named consensus + * parameter. If the consensus parameter is not present, default to + * "off". */ + if (options->UseGuardFraction == -1) { + return networkstatus_get_param(ns, "UseGuardFraction", + 0, /* default to "off" */ + 0, 1); + } + + return options->UseGuardFraction; +} /** A list of configured bridges. Whenever we actually get a descriptor * for one, we add it as an entry guard. Note that the order of bridges * in this list does not necessarily correspond to the order of bridges |