First cut of code to enable RefuseUnknownExits

The RefuseUnknownExits config option is now a tristate, with "1"
meaning "enable it no matter what the consensus says", "0" meaning
"disable it no matter what the consensus says", and "auto" meaning "do
what the consensus says".  If the consensus is silent, we enable
RefuseUnknownExits.

This patch also changes the dirserv logic so that refuseunknownexits
won't make us cache unless we're an exit.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/or/router.h b/src/or/router.h
index d90a7cff90..c17fc78bd0 100644
--- a/src/or/router.h
+++ b/src/or/router.h
@@ -51,6 +51,7 @@ int server_mode(or_options_t *options);
 int advertised_server_mode(void);
 int proxy_mode(or_options_t *options);
 void consider_publishable_server(int force);
+int should_refuse_unknown_exits(or_options_t *options);
 
 void router_upload_dir_desc_to_dirservers(int force);
 void mark_my_descriptor_dirty_if_older_than(time_t when);
@@ -60,6 +61,7 @@ void check_descriptor_ipaddress_changed(time_t now);
 void router_new_address_suggestion(const char *suggestion,
                                    const dir_connection_t *d_conn);
 int router_compare_to_my_exit_policy(edge_connection_t *conn);
+int router_my_exit_policy_is_reject_star(void);
 routerinfo_t *router_get_my_routerinfo(void);
 extrainfo_t *router_get_my_extrainfo(void);
 const char *router_get_my_descriptor(void);