diff options
Diffstat (limited to 'src/or/circuituse.c')
| -rw-r--r-- | src/or/circuituse.c | 99 |
1 files changed, 54 insertions, 45 deletions
diff --git a/src/or/circuituse.c b/src/or/circuituse.c index 91f75733ac..f7f080db13 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -41,7 +41,7 @@ static void circuit_increment_failure_count(void); */ static int circuit_is_acceptable(const origin_circuit_t *origin_circ, - const edge_connection_t *conn, + const entry_connection_t *conn, int must_be_open, uint8_t purpose, int need_uptime, int need_internal, time_t now) @@ -135,10 +135,11 @@ circuit_is_acceptable(const origin_circuit_t *origin_circ, return 0; } } else { /* not general */ - if ((conn->rend_data && !origin_circ->rend_data) || - (!conn->rend_data && origin_circ->rend_data) || - (conn->rend_data && origin_circ->rend_data && - rend_cmp_service_ids(conn->rend_data->onion_address, + const edge_connection_t *edge_conn = ENTRY_TO_EDGE_CONN(conn); + if ((edge_conn->rend_data && !origin_circ->rend_data) || + (!edge_conn->rend_data && origin_circ->rend_data) || + (edge_conn->rend_data && origin_circ->rend_data && + rend_cmp_service_ids(edge_conn->rend_data->onion_address, origin_circ->rend_data->onion_address))) { /* this circ is not for this conn */ return 0; @@ -159,11 +160,11 @@ circuit_is_acceptable(const origin_circuit_t *origin_circ, */ static int circuit_is_better(const origin_circuit_t *oa, const origin_circuit_t *ob, - const edge_connection_t *conn) + const entry_connection_t *conn) { const circuit_t *a = TO_CIRCUIT(oa); const circuit_t *b = TO_CIRCUIT(ob); - const uint8_t purpose = conn->_base.purpose; + const uint8_t purpose = ENTRY_TO_CONN(conn)->purpose; int a_bits, b_bits; switch (purpose) { @@ -241,7 +242,7 @@ circuit_is_better(const origin_circuit_t *oa, const origin_circuit_t *ob, * closest introduce-purposed circuit that you can find. */ static origin_circuit_t * -circuit_get_best(const edge_connection_t *conn, +circuit_get_best(const entry_connection_t *conn, int must_be_open, uint8_t purpose, int need_uptime, int need_internal) { @@ -544,7 +545,7 @@ circuit_remove_handled_ports(smartlist_t *needed_ports) * Else return 0. */ int -circuit_stream_is_being_handled(edge_connection_t *conn, +circuit_stream_is_being_handled(entry_connection_t *conn, uint16_t port, int min) { circuit_t *circ; @@ -738,8 +739,11 @@ circuit_detach_stream(circuit_t *circ, edge_connection_t *conn) tor_assert(circ); tor_assert(conn); - conn->cpath_layer = NULL; /* make sure we don't keep a stale pointer */ - conn->may_use_optimistic_data = 0; + if (conn->_base.type == CONN_TYPE_AP) { + entry_connection_t *entry_conn = EDGE_TO_ENTRY_CONN(conn); + entry_conn->may_use_optimistic_data = 0; + } + conn->cpath_layer = NULL; /* don't keep a stale pointer */ conn->on_circuit = NULL; if (CIRCUIT_IS_ORIGIN(circ)) { @@ -1286,7 +1290,7 @@ circuit_reset_failure_count(int timeout) * Write the found or in-progress or launched circ into *circp. */ static int -circuit_get_open_circ_or_launch(edge_connection_t *conn, +circuit_get_open_circ_or_launch(entry_connection_t *conn, uint8_t desired_circuit_purpose, origin_circuit_t **circp) { @@ -1298,11 +1302,11 @@ circuit_get_open_circ_or_launch(edge_connection_t *conn, tor_assert(conn); tor_assert(circp); - tor_assert(conn->_base.state == AP_CONN_STATE_CIRCUIT_WAIT); + tor_assert(ENTRY_TO_CONN(conn)->state == AP_CONN_STATE_CIRCUIT_WAIT); check_exit_policy = conn->socks_request->command == SOCKS_COMMAND_CONNECT && !conn->use_begindir && - !connection_edge_is_rendezvous_stream(conn); + !connection_edge_is_rendezvous_stream(ENTRY_TO_EDGE_CONN(conn)); want_onehop = conn->want_onehop; need_uptime = !conn->want_onehop && !conn->use_begindir && @@ -1410,19 +1414,20 @@ circuit_get_open_circ_or_launch(edge_connection_t *conn, if (desired_circuit_purpose == CIRCUIT_PURPOSE_C_INTRODUCE_ACK_WAIT) { /* need to pick an intro point */ - tor_assert(conn->rend_data); - extend_info = rend_client_get_random_intro(conn->rend_data); + rend_data_t *rend_data = ENTRY_TO_EDGE_CONN(conn)->rend_data; + tor_assert(rend_data); + extend_info = rend_client_get_random_intro(rend_data); if (!extend_info) { log_info(LD_REND, "No intro points for '%s': re-fetching service descriptor.", - safe_str_client(conn->rend_data->onion_address)); - rend_client_refetch_v2_renddesc(conn->rend_data); - conn->_base.state = AP_CONN_STATE_RENDDESC_WAIT; + safe_str_client(rend_data->onion_address)); + rend_client_refetch_v2_renddesc(rend_data); + ENTRY_TO_CONN(conn)->state = AP_CONN_STATE_RENDDESC_WAIT; return 0; } log_info(LD_REND,"Chose %s as intro point for '%s'.", extend_info_describe(extend_info), - safe_str_client(conn->rend_data->onion_address)); + safe_str_client(rend_data->onion_address)); } /* If we have specified a particular exit node for our @@ -1511,7 +1516,7 @@ circuit_get_open_circ_or_launch(edge_connection_t *conn, rep_hist_note_used_internal(time(NULL), need_uptime, 1); if (circ) { /* write the service_id into circ */ - circ->rend_data = rend_data_dup(conn->rend_data); + circ->rend_data = rend_data_dup(ENTRY_TO_EDGE_CONN(conn)->rend_data); if (circ->_base.purpose == CIRCUIT_PURPOSE_C_ESTABLISH_REND && circ->_base.state == CIRCUIT_STATE_OPEN) rend_client_rendcirc_has_opened(circ); @@ -1569,7 +1574,7 @@ optimistic_data_enabled(void) * hop in circ's cpath if <b>cpath</b> is NULL. */ static void -link_apconn_to_circ(edge_connection_t *apconn, origin_circuit_t *circ, +link_apconn_to_circ(entry_connection_t *apconn, origin_circuit_t *circ, crypt_path_t *cpath) { const node_t *exitnode; @@ -1578,29 +1583,29 @@ link_apconn_to_circ(edge_connection_t *apconn, origin_circuit_t *circ, log_debug(LD_APP|LD_CIRC, "attaching new conn to circ. n_circ_id %d.", circ->_base.n_circ_id); /* reset it, so we can measure circ timeouts */ - apconn->_base.timestamp_lastread = time(NULL); - apconn->next_stream = circ->p_streams; - apconn->on_circuit = TO_CIRCUIT(circ); + ENTRY_TO_CONN(apconn)->timestamp_lastread = time(NULL); + ENTRY_TO_EDGE_CONN(apconn)->next_stream = circ->p_streams; + ENTRY_TO_EDGE_CONN(apconn)->on_circuit = TO_CIRCUIT(circ); /* assert_connection_ok(conn, time(NULL)); */ - circ->p_streams = apconn; + circ->p_streams = ENTRY_TO_EDGE_CONN(apconn); if (cpath) { /* we were given one; use it */ tor_assert(cpath_is_on_circuit(circ, cpath)); - apconn->cpath_layer = cpath; - } else { /* use the last hop in the circuit */ + } else { + /* use the last hop in the circuit */ tor_assert(circ->cpath); tor_assert(circ->cpath->prev); tor_assert(circ->cpath->prev->state == CPATH_STATE_OPEN); - apconn->cpath_layer = circ->cpath->prev; + cpath = circ->cpath->prev; } + ENTRY_TO_EDGE_CONN(apconn)->cpath_layer = cpath; circ->isolation_any_streams_attached = 1; connection_edge_update_circuit_isolation(apconn, circ, 0); /* See if we can use optimistic data on this circuit */ - if (apconn->cpath_layer->extend_info && - (exitnode = node_get_by_id( - apconn->cpath_layer->extend_info->identity_digest)) && + if (cpath->extend_info && + (exitnode = node_get_by_id(cpath->extend_info->identity_digest)) && exitnode->rs) { /* Okay; we know what exit node this is. */ if (optimistic_data_enabled() && @@ -1642,7 +1647,7 @@ hostname_in_track_host_exits(const or_options_t *options, const char *address) * <b>conn</b>'s destination. */ static void -consider_recording_trackhost(const edge_connection_t *conn, +consider_recording_trackhost(const entry_connection_t *conn, const origin_circuit_t *circ) { const or_options_t *options = get_options(); @@ -1680,18 +1685,19 @@ consider_recording_trackhost(const edge_connection_t *conn, * indicated by <b>cpath</b>, or from the last hop in circ's cpath if * <b>cpath</b> is NULL. */ int -connection_ap_handshake_attach_chosen_circuit(edge_connection_t *conn, +connection_ap_handshake_attach_chosen_circuit(entry_connection_t *conn, origin_circuit_t *circ, crypt_path_t *cpath) { + connection_t *base_conn = ENTRY_TO_CONN(conn); tor_assert(conn); - tor_assert(conn->_base.state == AP_CONN_STATE_CIRCUIT_WAIT || - conn->_base.state == AP_CONN_STATE_CONTROLLER_WAIT); + tor_assert(base_conn->state == AP_CONN_STATE_CIRCUIT_WAIT || + base_conn->state == AP_CONN_STATE_CONTROLLER_WAIT); tor_assert(conn->socks_request); tor_assert(circ); tor_assert(circ->_base.state == CIRCUIT_STATE_OPEN); - conn->_base.state = AP_CONN_STATE_CIRCUIT_WAIT; + base_conn->state = AP_CONN_STATE_CIRCUIT_WAIT; if (!circ->_base.timestamp_dirty) circ->_base.timestamp_dirty = time(NULL); @@ -1721,21 +1727,22 @@ connection_ap_handshake_attach_chosen_circuit(edge_connection_t *conn, /* XXXX this function should mark for close whenever it returns -1; * its callers shouldn't have to worry about that. */ int -connection_ap_handshake_attach_circuit(edge_connection_t *conn) +connection_ap_handshake_attach_circuit(entry_connection_t *conn) { + connection_t *base_conn = ENTRY_TO_CONN(conn); int retval; int conn_age; int want_onehop; tor_assert(conn); - tor_assert(conn->_base.state == AP_CONN_STATE_CIRCUIT_WAIT); + tor_assert(base_conn->state == AP_CONN_STATE_CIRCUIT_WAIT); tor_assert(conn->socks_request); want_onehop = conn->want_onehop; - conn_age = (int)(time(NULL) - conn->_base.timestamp_created); + conn_age = (int)(time(NULL) - base_conn->timestamp_created); if (conn_age >= get_options()->SocksTimeout) { - int severity = (tor_addr_is_null(&conn->_base.addr) && !conn->_base.port) ? + int severity = (tor_addr_is_null(&base_conn->addr) && !base_conn->port) ? LOG_INFO : LOG_NOTICE; log_fn(severity, LD_APP, "Tried for %d seconds to get a connection to %s:%d. Giving up.", @@ -1744,7 +1751,8 @@ connection_ap_handshake_attach_circuit(edge_connection_t *conn) return -1; } - if (!connection_edge_is_rendezvous_stream(conn)) { /* we're a general conn */ + if (!connection_edge_is_rendezvous_stream(ENTRY_TO_EDGE_CONN(conn))) { + /* we're a general conn */ origin_circuit_t *circ=NULL; if (conn->chosen_exit_name) { @@ -1799,7 +1807,7 @@ connection_ap_handshake_attach_circuit(edge_connection_t *conn) } else { /* we're a rendezvous conn */ origin_circuit_t *rendcirc=NULL, *introcirc=NULL; - tor_assert(!conn->cpath_layer); + tor_assert(!ENTRY_TO_EDGE_CONN(conn)->cpath_layer); /* start by finding a rendezvous circuit for us */ @@ -1855,8 +1863,9 @@ connection_ap_handshake_attach_circuit(edge_connection_t *conn) !c->marked_for_close && CIRCUIT_IS_ORIGIN(c)) { origin_circuit_t *oc = TO_ORIGIN_CIRCUIT(c); if (oc->rend_data && - !rend_cmp_service_ids(conn->rend_data->onion_address, - oc->rend_data->onion_address)) { + !rend_cmp_service_ids( + ENTRY_TO_EDGE_CONN(conn)->rend_data->onion_address, + oc->rend_data->onion_address)) { log_info(LD_REND|LD_CIRC, "Closing introduction circuit that we " "built in parallel."); circuit_mark_for_close(c, END_CIRC_REASON_TIMEOUT); |