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1fe8bee656
Multiple Bridge lines can point to the same one ClientTransportPlugin line, and we can have multiple ClientTransportPlugin lines in our configuration file that don't match with a bridge. We also issue a warning when we have a Bridge line with a pluggable transport but we can't match it to a ClientTransportPlugin line.
151 lines
7.1 KiB
C
151 lines
7.1 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2011, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file circuitbuild.h
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* \brief Header file for circuitbuild.c.
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**/
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#ifndef _TOR_CIRCUITBUILD_H
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#define _TOR_CIRCUITBUILD_H
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/** Represents a pluggable transport proxy used by a bridge. */
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typedef struct {
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/* SOCKS version */
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int socks_version;
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/* Name of pluggable transport protocol */
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char *name;
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/* Address of proxy */
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tor_addr_t addr;
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/* Port of proxy */
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uint16_t port;
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} transport_t;
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char *circuit_list_path(origin_circuit_t *circ, int verbose);
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char *circuit_list_path_for_controller(origin_circuit_t *circ);
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void circuit_log_path(int severity, unsigned int domain,
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origin_circuit_t *circ);
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void circuit_rep_hist_note_result(origin_circuit_t *circ);
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origin_circuit_t *origin_circuit_init(uint8_t purpose, int flags);
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origin_circuit_t *circuit_establish_circuit(uint8_t purpose,
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extend_info_t *exit,
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int flags);
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int circuit_handle_first_hop(origin_circuit_t *circ);
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void circuit_n_conn_done(or_connection_t *or_conn, int status);
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int inform_testing_reachability(void);
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int circuit_timeout_want_to_count_circ(origin_circuit_t *circ);
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int circuit_send_next_onion_skin(origin_circuit_t *circ);
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void circuit_note_clock_jumped(int seconds_elapsed);
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int circuit_extend(cell_t *cell, circuit_t *circ);
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int circuit_init_cpath_crypto(crypt_path_t *cpath, const char *key_data,
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int reverse);
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int circuit_finish_handshake(origin_circuit_t *circ, uint8_t cell_type,
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const uint8_t *reply);
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int circuit_truncated(origin_circuit_t *circ, crypt_path_t *layer);
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int onionskin_answer(or_circuit_t *circ, uint8_t cell_type,
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const char *payload, const char *keys);
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int circuit_all_predicted_ports_handled(time_t now, int *need_uptime,
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int *need_capacity);
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int circuit_append_new_exit(origin_circuit_t *circ, extend_info_t *info);
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int circuit_extend_to_new_exit(origin_circuit_t *circ, extend_info_t *info);
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void onion_append_to_cpath(crypt_path_t **head_ptr, crypt_path_t *new_hop);
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extend_info_t *extend_info_alloc(const char *nickname, const char *digest,
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crypto_pk_env_t *onion_key,
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const tor_addr_t *addr, uint16_t port);
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extend_info_t *extend_info_from_router(const routerinfo_t *r);
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extend_info_t *extend_info_from_node(const node_t *node);
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extend_info_t *extend_info_dup(extend_info_t *info);
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void extend_info_free(extend_info_t *info);
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const node_t *build_state_get_exit_node(cpath_build_state_t *state);
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const char *build_state_get_exit_nickname(cpath_build_state_t *state);
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void entry_guards_compute_status(or_options_t *options, time_t now);
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int entry_guard_register_connect_status(const char *digest, int succeeded,
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int mark_relay_status, time_t now);
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void entry_nodes_should_be_added(void);
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int entry_list_is_constrained(or_options_t *options);
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const node_t *choose_random_entry(cpath_build_state_t *state);
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int entry_guards_parse_state(or_state_t *state, int set, char **msg);
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void entry_guards_update_state(or_state_t *state);
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int getinfo_helper_entry_guards(control_connection_t *conn,
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const char *question, char **answer,
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const char **errmsg);
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void mark_bridge_list(void);
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void sweep_bridge_list(void);
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int routerinfo_is_a_configured_bridge(const routerinfo_t *ri);
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int node_is_a_configured_bridge(const node_t *node);
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void learned_router_identity(const tor_addr_t *addr, uint16_t port,
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const char *digest);
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void bridge_add_from_config(const tor_addr_t *addr, uint16_t port,
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const char *digest,
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const char *transport_name);
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void retry_bridge_descriptor_fetch_directly(const char *digest);
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void fetch_bridge_descriptors(or_options_t *options, time_t now);
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void learned_bridge_descriptor(routerinfo_t *ri, int from_cache);
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int any_bridge_descriptors_known(void);
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int any_pending_bridge_descriptor_fetches(void);
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int entries_known_but_down(or_options_t *options);
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void entries_retry_all(or_options_t *options);
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void entry_guards_free_all(void);
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extern circuit_build_times_t circ_times;
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int circuit_build_times_enough_to_compute(circuit_build_times_t *cbt);
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void circuit_build_times_update_state(circuit_build_times_t *cbt,
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or_state_t *state);
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int circuit_build_times_parse_state(circuit_build_times_t *cbt,
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or_state_t *state);
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void circuit_build_times_count_timeout(circuit_build_times_t *cbt,
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int did_onehop);
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int circuit_build_times_count_close(circuit_build_times_t *cbt,
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int did_onehop, time_t start_time);
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void circuit_build_times_set_timeout(circuit_build_times_t *cbt);
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int circuit_build_times_add_time(circuit_build_times_t *cbt,
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build_time_t time);
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int circuit_build_times_needs_circuits(circuit_build_times_t *cbt);
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int circuit_build_times_needs_circuits_now(circuit_build_times_t *cbt);
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void circuit_build_times_init(circuit_build_times_t *cbt);
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void circuit_build_times_new_consensus_params(circuit_build_times_t *cbt,
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networkstatus_t *ns);
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double circuit_build_times_timeout_rate(const circuit_build_times_t *cbt);
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double circuit_build_times_close_rate(const circuit_build_times_t *cbt);
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#ifdef CIRCUIT_PRIVATE
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double circuit_build_times_calculate_timeout(circuit_build_times_t *cbt,
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double quantile);
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build_time_t circuit_build_times_generate_sample(circuit_build_times_t *cbt,
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double q_lo, double q_hi);
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void circuit_build_times_initial_alpha(circuit_build_times_t *cbt,
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double quantile, double time_ms);
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int circuit_build_times_update_alpha(circuit_build_times_t *cbt);
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double circuit_build_times_cdf(circuit_build_times_t *cbt, double x);
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void circuitbuild_running_unit_tests(void);
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void circuit_build_times_reset(circuit_build_times_t *cbt);
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/* Network liveness functions */
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int circuit_build_times_network_check_changed(circuit_build_times_t *cbt);
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#endif
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/* Network liveness functions */
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void circuit_build_times_network_is_live(circuit_build_times_t *cbt);
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int circuit_build_times_network_check_live(circuit_build_times_t *cbt);
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void circuit_build_times_network_circ_success(circuit_build_times_t *cbt);
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int circuit_build_times_get_bw_scale(networkstatus_t *ns);
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void clear_transport_list(void);
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int transport_add_from_config(const tor_addr_t *addr, uint16_t port,
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const char *name, int socks_ver);
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int find_transport_by_bridge_addrport(const tor_addr_t *addr, uint16_t port,
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transport_t **transport);
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void validate_pluggable_transports_config(void);
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#endif
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