Tor 0.4.9.0-alpha-dev
circuitbuild.h
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1/* Copyright (c) 2001 Matej Pfajfar.
2 * Copyright (c) 2001-2004, Roger Dingledine.
3 * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
4 * Copyright (c) 2007-2021, The Tor Project, Inc. */
5/* See LICENSE for licensing information */
6
7/**
8 * \file circuitbuild.h
9 * \brief Header file for circuitbuild.c.
10 **/
11
12#ifndef TOR_CIRCUITBUILD_H
13#define TOR_CIRCUITBUILD_H
14
17
18int route_len_for_purpose(uint8_t purpose, extend_info_t *exit_ei);
19char *circuit_list_path(origin_circuit_t *circ, int verbose);
21void circuit_log_path(int severity, unsigned int domain,
22 origin_circuit_t *circ);
23origin_circuit_t *origin_circuit_init(uint8_t purpose, int flags);
25 extend_info_t *exit,
26 int flags);
28 const uint8_t *nonce,
29 uint8_t purpose,
30 extend_info_t *exit,
31 int flags));
32
33struct circuit_guard_state_t *origin_circuit_get_guard_state(
34 origin_circuit_t *circ);
36void circuit_n_chan_done(channel_t *chan, int status,
37 int close_origin_circuits);
40void circuit_note_clock_jumped(int64_t seconds_elapsed, bool was_idle);
41struct created_cell_t;
43 const struct created_cell_t *created_cell);
44int circuit_truncated(origin_circuit_t *circ, int reason);
46 int *need_uptime,
47 int *need_capacity));
48
51int circuit_can_use_tap(const origin_circuit_t *circ);
52int circuit_has_usable_onion_key(const origin_circuit_t *circ);
54MOCK_DECL(const node_t *,
57
58struct circuit_guard_state_t;
59
61 uint8_t purpose,
63 struct circuit_guard_state_t **guard_state_out);
65
67
68struct create_cell_t;
69MOCK_DECL(int,
71 const struct create_cell_t *create_cell,
72 int relayed));
73
75 uint8_t **msg_out,
76 size_t *msg_len_out);
77
78#ifdef CIRCUITBUILD_PRIVATE
80STATIC int new_route_len(uint8_t purpose, extend_info_t *exit_ei,
81 const smartlist_t *nodes);
83 int direct));
84
86
87STATIC int
89 int is_hs_v3_rp_circuit);
90STATIC int cpath_build_state_to_crn_flags(const cpath_build_state_t *state);
91STATIC int cpath_build_state_to_crn_ipv6_extend_flag(
92 const cpath_build_state_t *state,
93 int cur_len);
94
95#endif /* defined(CIRCUITBUILD_PRIVATE) */
96
97#endif /* !defined(TOR_CIRCUITBUILD_H) */
STATIC int count_acceptable_nodes(const smartlist_t *nodes, int direct)
STATIC int onion_pick_cpath_exit(origin_circuit_t *circ, extend_info_t *exit_ei, int is_hs_v3_rp_circuit)
STATIC circid_t get_unique_circ_id_by_chan(channel_t *chan)
Definition: circuitbuild.c:127
STATIC int onion_extend_cpath(origin_circuit_t *circ)
STATIC int new_route_len(uint8_t purpose, extend_info_t *exit_ei, const smartlist_t *nodes)
int circuit_finish_handshake(origin_circuit_t *circ, const created_cell_t *reply)
const node_t * choose_good_entry_server(const origin_circuit_t *circ, uint8_t purpose, cpath_build_state_t *state, struct circuit_guard_state_t **guard_state_out)
origin_circuit_t * circuit_establish_circuit(uint8_t purpose, extend_info_t *exit, int flags)
Definition: circuitbuild.c:485
const char * build_state_get_exit_nickname(cpath_build_state_t *state)
int circuit_handle_first_hop(origin_circuit_t *circ)
Definition: circuitbuild.c:588
void circuit_log_path(int severity, unsigned int domain, origin_circuit_t *circ)
Definition: circuitbuild.c:357
int route_len_for_purpose(uint8_t purpose, extend_info_t *exit_ei)
struct circuit_guard_state_t * origin_circuit_get_guard_state(origin_circuit_t *circ)
Definition: circuitbuild.c:557
int client_circ_negotiation_message(const extend_info_t *ei, uint8_t **msg_out, size_t *msg_len_out)
char * circuit_list_path_for_controller(origin_circuit_t *circ)
Definition: circuitbuild.c:347
int circuit_deliver_create_cell(circuit_t *circ, const struct create_cell_t *create_cell, int relayed)
Definition: circuitbuild.c:785
int circuit_extend_to_new_exit(origin_circuit_t *circ, extend_info_t *info)
const uint8_t * build_state_get_exit_rsa_id(cpath_build_state_t *state)
void circuit_n_chan_done(channel_t *chan, int status, int close_origin_circuits)
Definition: circuitbuild.c:683
int circuit_append_new_exit(origin_circuit_t *circ, extend_info_t *info)
int circuit_timeout_want_to_count_circ(const origin_circuit_t *circ)
Definition: circuitbuild.c:870
channel_t * channel_connect_for_circuit(const extend_info_t *ei)
Definition: circuitbuild.c:104
origin_circuit_t * circuit_establish_circuit_conflux(const uint8_t *nonce, uint8_t purpose, extend_info_t *exit, int flags)
Definition: circuitbuild.c:526
char * circuit_list_path(origin_circuit_t *circ, int verbose)
Definition: circuitbuild.c:338
int circuit_all_predicted_ports_handled(time_t now, int *need_uptime, int *need_capacity)
void circuit_note_clock_jumped(int64_t seconds_elapsed, bool was_idle)
int circuit_send_next_onion_skin(origin_circuit_t *circ)
Definition: circuitbuild.c:980
int circuit_truncated(origin_circuit_t *circ, int reason)
const node_t * build_state_get_exit_node(cpath_build_state_t *state)
void circuit_upgrade_circuits_from_guard_wait(void)
origin_circuit_t * origin_circuit_init(uint8_t purpose, int flags)
Definition: circuitbuild.c:454
uint32_t circid_t
Definition: or.h:497
Definition: node_st.h:34
#define STATIC
Definition: testsupport.h:32
#define MOCK_DECL(rv, funcname, arglist)
Definition: testsupport.h:127