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- /* Copyright (c) 2001 Matej Pfajfar.
- * Copyright (c) 2001-2004, Roger Dingledine.
- * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
- * Copyright (c) 2007-2017, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- /**
- * \file circuitbuild.h
- * \brief Header file for circuitbuild.c.
- **/
- #ifndef TOR_CIRCUITBUILD_H
- #define TOR_CIRCUITBUILD_H
- char *circuit_list_path(origin_circuit_t *circ, int verbose);
- char *circuit_list_path_for_controller(origin_circuit_t *circ);
- void circuit_log_path(int severity, unsigned int domain,
- origin_circuit_t *circ);
- void circuit_rep_hist_note_result(origin_circuit_t *circ);
- origin_circuit_t *origin_circuit_init(uint8_t purpose, int flags);
- origin_circuit_t *circuit_establish_circuit(uint8_t purpose,
- extend_info_t *exit,
- int flags);
- struct circuit_guard_state_t *origin_circuit_get_guard_state(
- origin_circuit_t *circ);
- int circuit_handle_first_hop(origin_circuit_t *circ);
- void circuit_n_chan_done(channel_t *chan, int status,
- int close_origin_circuits);
- int inform_testing_reachability(void);
- int circuit_timeout_want_to_count_circ(origin_circuit_t *circ);
- int circuit_send_next_onion_skin(origin_circuit_t *circ);
- void circuit_note_clock_jumped(int seconds_elapsed);
- int circuit_extend(cell_t *cell, circuit_t *circ);
- int circuit_init_cpath_crypto(crypt_path_t *cpath,
- const char *key_data, size_t key_data_len,
- int reverse, int is_hs_v3);
- struct created_cell_t;
- int circuit_finish_handshake(origin_circuit_t *circ,
- const struct created_cell_t *created_cell);
- int circuit_truncated(origin_circuit_t *circ, crypt_path_t *layer,
- int reason);
- int onionskin_answer(or_circuit_t *circ,
- const struct created_cell_t *created_cell,
- const char *keys, size_t keys_len,
- const uint8_t *rend_circ_nonce);
- MOCK_DECL(int, circuit_all_predicted_ports_handled, (time_t now,
- int *need_uptime,
- int *need_capacity));
- int circuit_append_new_exit(origin_circuit_t *circ, extend_info_t *info);
- int circuit_extend_to_new_exit(origin_circuit_t *circ, extend_info_t *info);
- void onion_append_to_cpath(crypt_path_t **head_ptr, crypt_path_t *new_hop);
- extend_info_t *extend_info_new(const char *nickname,
- const char *rsa_id_digest,
- const ed25519_public_key_t *ed_id,
- crypto_pk_t *onion_key,
- const curve25519_public_key_t *ntor_key,
- const tor_addr_t *addr, uint16_t port);
- extend_info_t *extend_info_from_node(const node_t *r, int for_direct_connect);
- extend_info_t *extend_info_dup(extend_info_t *info);
- void extend_info_free(extend_info_t *info);
- int extend_info_addr_is_allowed(const tor_addr_t *addr);
- int extend_info_supports_tap(const extend_info_t* ei);
- int extend_info_supports_ntor(const extend_info_t* ei);
- int circuit_can_use_tap(const origin_circuit_t *circ);
- int circuit_has_usable_onion_key(const origin_circuit_t *circ);
- int extend_info_has_preferred_onion_key(const extend_info_t* ei);
- const uint8_t *build_state_get_exit_rsa_id(cpath_build_state_t *state);
- const node_t *build_state_get_exit_node(cpath_build_state_t *state);
- const char *build_state_get_exit_nickname(cpath_build_state_t *state);
- struct circuit_guard_state_t;
- const node_t *choose_good_entry_server(uint8_t purpose,
- cpath_build_state_t *state,
- struct circuit_guard_state_t **guard_state_out);
- void circuit_upgrade_circuits_from_guard_wait(void);
- #ifdef CIRCUITBUILD_PRIVATE
- STATIC circid_t get_unique_circ_id_by_chan(channel_t *chan);
- STATIC int new_route_len(uint8_t purpose, extend_info_t *exit_ei,
- smartlist_t *nodes);
- MOCK_DECL(STATIC int, count_acceptable_nodes, (smartlist_t *nodes));
- #if defined(ENABLE_TOR2WEB_MODE) || defined(TOR_UNIT_TESTS)
- STATIC const node_t *pick_tor2web_rendezvous_node(router_crn_flags_t flags,
- const or_options_t *options);
- unsigned int cpath_get_n_hops(crypt_path_t **head_ptr);
- #endif /* defined(ENABLE_TOR2WEB_MODE) || defined(TOR_UNIT_TESTS) */
- #endif /* defined(CIRCUITBUILD_PRIVATE) */
- #endif /* !defined(TOR_CIRCUITBUILD_H) */
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