connection_or.h 6.0 KB

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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) 2007-2017, The Tor Project, Inc. */
  5. /* See LICENSE for licensing information */
  6. /**
  7. * \file connection_or.h
  8. * \brief Header file for connection_or.c.
  9. **/
  10. #ifndef TOR_CONNECTION_OR_H
  11. #define TOR_CONNECTION_OR_H
  12. void connection_or_clear_identity(or_connection_t *conn);
  13. void connection_or_clear_identity_map(void);
  14. void clear_broken_connection_map(int disable);
  15. or_connection_t *connection_or_get_for_extend(const char *digest,
  16. const tor_addr_t *target_addr,
  17. const char **msg_out,
  18. int *launch_out);
  19. void connection_or_block_renegotiation(or_connection_t *conn);
  20. int connection_or_reached_eof(or_connection_t *conn);
  21. int connection_or_process_inbuf(or_connection_t *conn);
  22. ssize_t connection_or_num_cells_writeable(or_connection_t *conn);
  23. int connection_or_flushed_some(or_connection_t *conn);
  24. int connection_or_finished_flushing(or_connection_t *conn);
  25. int connection_or_finished_connecting(or_connection_t *conn);
  26. void connection_or_about_to_close(or_connection_t *conn);
  27. int connection_or_digest_is_known_relay(const char *id_digest);
  28. void connection_or_update_token_buckets(smartlist_t *conns,
  29. const or_options_t *options);
  30. void connection_or_connect_failed(or_connection_t *conn,
  31. int reason, const char *msg);
  32. void connection_or_notify_error(or_connection_t *conn,
  33. int reason, const char *msg);
  34. MOCK_DECL(or_connection_t *,
  35. connection_or_connect,
  36. (const tor_addr_t *addr, uint16_t port,
  37. const char *id_digest,
  38. const ed25519_public_key_t *ed_id,
  39. channel_tls_t *chan));
  40. void connection_or_close_normally(or_connection_t *orconn, int flush);
  41. MOCK_DECL(void,connection_or_close_for_error,
  42. (or_connection_t *orconn, int flush));
  43. void connection_or_report_broken_states(int severity, int domain);
  44. MOCK_DECL(int,connection_tls_start_handshake,(or_connection_t *conn,
  45. int receiving));
  46. int connection_tls_continue_handshake(or_connection_t *conn);
  47. void connection_or_set_canonical(or_connection_t *or_conn,
  48. int is_canonical);
  49. int connection_init_or_handshake_state(or_connection_t *conn,
  50. int started_here);
  51. void connection_or_init_conn_from_address(or_connection_t *conn,
  52. const tor_addr_t *addr,
  53. uint16_t port,
  54. const char *rsa_id_digest,
  55. const ed25519_public_key_t *ed_id,
  56. int started_here);
  57. int connection_or_client_learned_peer_id(or_connection_t *conn,
  58. const uint8_t *rsa_peer_id,
  59. const ed25519_public_key_t *ed_peer_id);
  60. time_t connection_or_client_used(or_connection_t *conn);
  61. MOCK_DECL(int, connection_or_get_num_circuits, (or_connection_t *conn));
  62. void or_handshake_state_free_(or_handshake_state_t *state);
  63. #define or_handshake_state_free(state) \
  64. FREE_AND_NULL(or_handshake_state_t, or_handshake_state_free_, (state))
  65. void or_handshake_state_record_cell(or_connection_t *conn,
  66. or_handshake_state_t *state,
  67. const cell_t *cell,
  68. int incoming);
  69. void or_handshake_state_record_var_cell(or_connection_t *conn,
  70. or_handshake_state_t *state,
  71. const var_cell_t *cell,
  72. int incoming);
  73. int connection_or_set_state_open(or_connection_t *conn);
  74. void connection_or_write_cell_to_buf(const cell_t *cell,
  75. or_connection_t *conn);
  76. MOCK_DECL(void,connection_or_write_var_cell_to_buf,(const var_cell_t *cell,
  77. or_connection_t *conn));
  78. int connection_or_send_versions(or_connection_t *conn, int v3_plus);
  79. MOCK_DECL(int,connection_or_send_netinfo,(or_connection_t *conn));
  80. int connection_or_send_certs_cell(or_connection_t *conn);
  81. int connection_or_send_auth_challenge_cell(or_connection_t *conn);
  82. int authchallenge_type_is_supported(uint16_t challenge_type);
  83. int authchallenge_type_is_better(uint16_t challenge_type_a,
  84. uint16_t challenge_type_b);
  85. var_cell_t *connection_or_compute_authenticate_cell_body(or_connection_t *conn,
  86. const int authtype,
  87. crypto_pk_t *signing_key,
  88. const ed25519_keypair_t *ed_signing_key,
  89. int server);
  90. MOCK_DECL(int,connection_or_send_authenticate_cell,
  91. (or_connection_t *conn, int type));
  92. int is_or_protocol_version_known(uint16_t version);
  93. void cell_pack(packed_cell_t *dest, const cell_t *src, int wide_circ_ids);
  94. int var_cell_pack_header(const var_cell_t *cell, char *hdr_out,
  95. int wide_circ_ids);
  96. var_cell_t *var_cell_new(uint16_t payload_len);
  97. var_cell_t *var_cell_copy(const var_cell_t *src);
  98. void var_cell_free_(var_cell_t *cell);
  99. #define var_cell_free(cell) FREE_AND_NULL(var_cell_t, var_cell_free_, (cell))
  100. /* DOCDOC */
  101. #define MIN_LINK_PROTO_FOR_WIDE_CIRC_IDS 4
  102. #define MIN_LINK_PROTO_FOR_CHANNEL_PADDING 5
  103. #define MAX_LINK_PROTO MIN_LINK_PROTO_FOR_CHANNEL_PADDING
  104. int connection_or_single_set_badness_(time_t now,
  105. or_connection_t *or_conn,
  106. int force);
  107. void connection_or_group_set_badness_(smartlist_t *group, int force);
  108. #ifdef TOR_UNIT_TESTS
  109. extern int certs_cell_ed25519_disabled_for_testing;
  110. #endif
  111. #endif /* !defined(TOR_CONNECTION_OR_H) */