diff options
Diffstat (limited to 'src/or/connection_edge.c')
-rw-r--r-- | src/or/connection_edge.c | 80 |
1 files changed, 32 insertions, 48 deletions
diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c index d699591cd..f25202725 100644 --- a/src/or/connection_edge.c +++ b/src/or/connection_edge.c @@ -333,8 +333,10 @@ connection_edge_finished_connecting(edge_connection_t *edge_conn) escaped_safe_str(conn->address),conn->port, safe_str(fmt_addr(&conn->addr))); + rep_hist_note_exit_stream_opened(conn->port); + conn->state = EXIT_CONN_STATE_OPEN; - connection_watch_events(conn, EV_READ); /* stop writing, continue reading */ + connection_watch_events(conn, READ_EVENT); /* stop writing, keep reading */ if (connection_wants_to_flush(conn)) /* in case there are any queued relay * cells */ connection_start_writing(conn); @@ -1481,7 +1483,8 @@ connection_ap_handshake_rewrite_and_attach(edge_connection_t *conn, /* Parse the address provided by SOCKS. Modify it in-place if it * specifies a hidden-service (.onion) or particular exit node (.exit). */ - addresstype = parse_extended_hostname(socks->address); + addresstype = parse_extended_hostname(socks->address, + remapped_to_exit || options->AllowDotExit); if (addresstype == BAD_HOSTNAME) { log_warn(LD_APP, "Invalid onion hostname %s; rejecting", @@ -1494,7 +1497,7 @@ connection_ap_handshake_rewrite_and_attach(edge_connection_t *conn, if (addresstype == EXIT_HOSTNAME) { /* foo.exit -- modify conn->chosen_exit_node to specify the exit - * node, and conn->address to hold only the address portion.*/ + * node, and conn->address to hold only the address portion. */ char *s = strrchr(socks->address,'.'); tor_assert(!automap); if (s) { @@ -1677,31 +1680,14 @@ connection_ap_handshake_rewrite_and_attach(edge_connection_t *conn, conn->_base.state = AP_CONN_STATE_RENDDESC_WAIT; log_info(LD_REND, "Unknown descriptor %s. Fetching.", safe_str(conn->rend_data->onion_address)); - /* Fetch both, v0 and v2 rend descriptors in parallel. Use whichever - * arrives first. Exception: When using client authorization, only - * fetch v2 descriptors.*/ rend_client_refetch_v2_renddesc(conn->rend_data); - if (conn->rend_data->auth_type == REND_NO_AUTH) - rend_client_refetch_renddesc(conn->rend_data->onion_address); } else { /* r > 0 */ - if (now - entry->received < NUM_SECONDS_BEFORE_HS_REFETCH) { - conn->_base.state = AP_CONN_STATE_CIRCUIT_WAIT; - log_info(LD_REND, "Descriptor is here and fresh enough. Great."); - if (connection_ap_handshake_attach_circuit(conn) < 0) { - if (!conn->_base.marked_for_close) - connection_mark_unattached_ap(conn, END_STREAM_REASON_CANT_ATTACH); - return -1; - } - } else { - conn->_base.state = AP_CONN_STATE_RENDDESC_WAIT; - log_info(LD_REND, "Stale descriptor %s. Re-fetching.", - safe_str(conn->rend_data->onion_address)); - /* Fetch both, v0 and v2 rend descriptors in parallel. Use whichever - * arrives first. Exception: When using client authorization, only - * fetch v2 descriptors.*/ - rend_client_refetch_v2_renddesc(conn->rend_data); - if (conn->rend_data->auth_type == REND_NO_AUTH) - rend_client_refetch_renddesc(conn->rend_data->onion_address); + conn->_base.state = AP_CONN_STATE_CIRCUIT_WAIT; + log_info(LD_REND, "Descriptor is here. Great."); + if (connection_ap_handshake_attach_circuit(conn) < 0) { + if (!conn->_base.marked_for_close) + connection_mark_unattached_ap(conn, END_STREAM_REASON_CANT_ATTACH); + return -1; } } return 0; @@ -1889,14 +1875,6 @@ connection_ap_handshake_process_socks(edge_connection_t *conn) return -1; } /* else socks handshake is done, continue processing */ - if (hostname_is_noconnect_address(socks->address)) - { - control_event_stream_status(conn, STREAM_EVENT_NEW, 0); - control_event_stream_status(conn, STREAM_EVENT_CLOSED, 0); - connection_mark_unattached_ap(conn, END_STREAM_REASON_DONE); - return -1; - } - if (SOCKS_COMMAND_IS_CONNECT(socks->command)) control_event_stream_status(conn, STREAM_EVENT_NEW, 0); else @@ -2566,6 +2544,11 @@ connection_exit_begin_conn(cell_t *cell, circuit_t *circ) log_debug(LD_EXIT,"Creating new exit connection."); n_stream = edge_connection_new(CONN_TYPE_EXIT, AF_INET); + + /* Remember the tunneled request ID in the new edge connection, so that + * we can measure download times. */ + TO_CONN(n_stream)->dirreq_id = circ->dirreq_id; + n_stream->_base.purpose = EXIT_PURPOSE_CONNECT; n_stream->stream_id = rh.stream_id; @@ -2735,7 +2718,7 @@ connection_exit_connect(edge_connection_t *edge_conn) case 0: conn->state = EXIT_CONN_STATE_CONNECTING; - connection_watch_events(conn, EV_WRITE | EV_READ); + connection_watch_events(conn, READ_EVENT | WRITE_EVENT); /* writable indicates finish; * readable/error indicates broken link in windows-land. */ return; @@ -2748,7 +2731,7 @@ connection_exit_connect(edge_connection_t *edge_conn) log_warn(LD_BUG,"newly connected conn had data waiting!"); // connection_start_writing(conn); } - connection_watch_events(conn, EV_READ); + connection_watch_events(conn, READ_EVENT); /* also, deliver a 'connected' cell back through the circuit. */ if (connection_edge_is_rendezvous_stream(edge_conn)) { @@ -2802,6 +2785,10 @@ connection_exit_connect_dir(edge_connection_t *exitconn) dirconn->_base.purpose = DIR_PURPOSE_SERVER; dirconn->_base.state = DIR_CONN_STATE_SERVER_COMMAND_WAIT; + /* Note that the new dir conn belongs to the same tunneled request as + * the edge conn, so that we can measure download times. */ + TO_CONN(dirconn)->dirreq_id = TO_CONN(exitconn)->dirreq_id; + connection_link_connections(TO_CONN(dirconn), TO_CONN(exitconn)); if (connection_add(TO_CONN(exitconn))<0) { @@ -2907,14 +2894,14 @@ connection_ap_can_use_exit(edge_connection_t *conn, routerinfo_t *exit) /** If address is of the form "y.onion" with a well-formed handle y: * Put a NUL after y, lower-case it, and return ONION_HOSTNAME. * - * If address is of the form "y.exit": + * If address is of the form "y.exit" and <b>allowdotexit</b> is true: * Put a NUL after y and return EXIT_HOSTNAME. * * Otherwise: * Return NORMAL_HOSTNAME and change nothing. */ hostname_type_t -parse_extended_hostname(char *address) +parse_extended_hostname(char *address, int allowdotexit) { char *s; char query[REND_SERVICE_ID_LEN_BASE32+1]; @@ -2923,8 +2910,13 @@ parse_extended_hostname(char *address) if (!s) return NORMAL_HOSTNAME; /* no dot, thus normal */ if (!strcmp(s+1,"exit")) { - *s = 0; /* NUL-terminate it */ - return EXIT_HOSTNAME; /* .exit */ + if (allowdotexit) { + *s = 0; /* NUL-terminate it */ + return EXIT_HOSTNAME; /* .exit */ + } /* else */ + log_warn(LD_APP, "The \".exit\" notation is disabled in Tor due to " + "security risks. Set AllowDotExit in your torrc to enable it."); + /* FFFF send a controller event too to notify Vidalia users */ } if (strcmp(s+1,"onion")) return NORMAL_HOSTNAME; /* neither .exit nor .onion, thus normal */ @@ -2943,11 +2935,3 @@ failed: return BAD_HOSTNAME; } -/** Check if the address is of the form "y.noconnect" - */ -int -hostname_is_noconnect_address(const char *address) -{ - return ! strcasecmpend(address, ".noconnect"); -} - |