src/or/connection_or.h

   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) 2007-2013, The Tor Project, Inc. */
   5 /* See LICENSE for licensing information */
   6
   7 /**
   8  * \file connection_or.h
   9  * \brief Header file for connection_or.c.
  10  **/
  11
  12 #ifndef TOR_CONNECTION_OR_H
  13 #define TOR_CONNECTION_OR_H
  14
  15 void connection_or_remove_from_identity_map(or_connection_t *conn);
  16 void connection_or_clear_identity_map(void);
  17 void clear_broken_connection_map(int disable);
  18 or_connection_t *connection_or_get_for_extend(const char *digest,
  19                                               const tor_addr_t *target_addr,
  20                                               const char **msg_out,
  21                                               int *launch_out);
  22 void connection_or_set_bad_connections(const char *digest, int force);
  23
  24 void connection_or_block_renegotiation(or_connection_t *conn);
  25 int connection_or_reached_eof(or_connection_t *conn);
  26 int connection_or_process_inbuf(or_connection_t *conn);
  27 int connection_or_flushed_some(or_connection_t *conn);
  28 int connection_or_finished_flushing(or_connection_t *conn);
  29 int connection_or_finished_connecting(or_connection_t *conn);
  30 void connection_or_about_to_close(or_connection_t *conn);
  31 int connection_or_digest_is_known_relay(const char *id_digest);
  32 void connection_or_update_token_buckets(smartlist_t *conns,
  33                                         const or_options_t *options);
  34
  35 void connection_or_connect_failed(or_connection_t *conn,
  36                                   int reason, const char *msg);
  37 void connection_or_notify_error(or_connection_t *conn,
  38                                 int reason, const char *msg);
  39 or_connection_t *connection_or_connect(const tor_addr_t *addr, uint16_t port,
  40                                        const char *id_digest,
  41                                        channel_tls_t *chan);
  42
  43 void connection_or_close_normally(or_connection_t *orconn, int flush);
  44 void connection_or_close_for_error(or_connection_t *orconn, int flush);
  45
  46 void connection_or_report_broken_states(int severity, int domain);
  47
  48 MOCK_DECL(int,connection_tls_start_handshake,(or_connection_t *conn,
  49                                               int receiving));
  50 int connection_tls_continue_handshake(or_connection_t *conn);
  51 void connection_or_set_canonical(or_connection_t *or_conn,
  52                                  int is_canonical);
  53
  54 int connection_init_or_handshake_state(or_connection_t *conn,
  55                                        int started_here);
  56 void connection_or_init_conn_from_address(or_connection_t *conn,
  57                                           const tor_addr_t *addr,
  58                                           uint16_t port,
  59                                           const char *id_digest,
  60                                           int started_here);
  61 int connection_or_client_learned_peer_id(or_connection_t *conn,
  62                                          const uint8_t *peer_id);
  63 time_t connection_or_client_used(or_connection_t *conn);
  64 int connection_or_get_num_circuits(or_connection_t *conn);
  65 void or_handshake_state_free(or_handshake_state_t *state);
  66 void or_handshake_state_record_cell(or_connection_t *conn,
  67                                     or_handshake_state_t *state,
  68                                     const cell_t *cell,
  69                                     int incoming);
  70 void or_handshake_state_record_var_cell(or_connection_t *conn,
  71                                         or_handshake_state_t *state,
  72                                         const var_cell_t *cell,
  73                                         int incoming);
  74
  75 int connection_or_set_state_open(or_connection_t *conn);
  76 void connection_or_write_cell_to_buf(const cell_t *cell,
  77                                      or_connection_t *conn);
  78 void connection_or_write_var_cell_to_buf(const var_cell_t *cell,
  79                                          or_connection_t *conn);
  80 int connection_or_send_versions(or_connection_t *conn, int v3_plus);
  81 int connection_or_send_netinfo(or_connection_t *conn);
  82 int connection_or_send_certs_cell(or_connection_t *conn);
  83 int connection_or_send_auth_challenge_cell(or_connection_t *conn);
  84 int connection_or_compute_authenticate_cell_body(or_connection_t *conn,
  85                                                  uint8_t *out, size_t outlen,
  86                                                  crypto_pk_t *signing_key,
  87                                                  int server);
  88 int connection_or_send_authenticate_cell(or_connection_t *conn, int type);
  89
  90 int is_or_protocol_version_known(uint16_t version);
  91
  92 void cell_pack(packed_cell_t *dest, const cell_t *src, int wide_circ_ids);
  93 int var_cell_pack_header(const var_cell_t *cell, char *hdr_out,
  94                          int wide_circ_ids);
  95 var_cell_t *var_cell_new(uint16_t payload_len);
  96 void var_cell_free(var_cell_t *cell);
  97
  98 /** DOCDOC */
  99 #define MIN_LINK_PROTO_FOR_WIDE_CIRC_IDS 4
 100
 101 #endif
 102