diff options
Diffstat (limited to 'src/or/connection_or.c')
| -rw-r--r-- | src/or/connection_or.c | 106 |
1 files changed, 91 insertions, 15 deletions
diff --git a/src/or/connection_or.c b/src/or/connection_or.c index 3d239d480..16f87349f 100644 --- a/src/or/connection_or.c +++ b/src/or/connection_or.c @@ -37,7 +37,7 @@ #include "rephist.h" #include "router.h" #include "routerlist.h" - +#include "ext_orport.h" #ifdef USE_BUFFEREVENTS #include <event2/bufferevent_ssl.h> #endif @@ -75,6 +75,10 @@ static void connection_or_handle_event_cb(struct bufferevent *bufev, * they form a linked list, with next_with_same_id as the next pointer. */ static digestmap_t *orconn_identity_map = NULL; +/** Global map between Extended ORPort identifiers and OR + * connections. */ +static digestmap_t *orconn_ext_or_id_map = NULL; + /** If conn is listed in orconn_identity_map, remove it, and clear * conn->identity_digest. Otherwise do nothing. */ void @@ -174,6 +178,71 @@ connection_or_set_identity_digest(or_connection_t *conn, const char *digest) #endif } +/** Remove the Extended ORPort identifier of <b>conn</b> from the + * global identifier list. Also, clear the identifier from the + * connection itself. */ +void +connection_or_remove_from_ext_or_id_map(or_connection_t *conn) +{ + or_connection_t *tmp; + if (!orconn_ext_or_id_map) + return; + if (!conn->ext_or_conn_id) + return; + + tmp = digestmap_remove(orconn_ext_or_id_map, conn->ext_or_conn_id); + if (!tor_digest_is_zero(conn->ext_or_conn_id)) + tor_assert(tmp == conn); + + memset(conn->ext_or_conn_id, 0, EXT_OR_CONN_ID_LEN); +} + +/** Return the connection whose ext_or_id is <b>id</b>. Return NULL if no such + * connection is found. */ +or_connection_t * +connection_or_get_by_ext_or_id(const char *id) +{ + if (!orconn_ext_or_id_map) + return NULL; + return digestmap_get(orconn_ext_or_id_map, id); +} + +/** Deallocate the global Extended ORPort identifier list */ +void +connection_or_clear_ext_or_id_map(void) +{ + digestmap_free(orconn_ext_or_id_map, NULL); + orconn_ext_or_id_map = NULL; +} + +/** Creates an Extended ORPort identifier for <b>conn</b> and deposits + * it into the global list of identifiers. */ +void +connection_or_set_ext_or_identifier(or_connection_t *conn) +{ + char random_id[EXT_OR_CONN_ID_LEN]; + or_connection_t *tmp; + + if (!orconn_ext_or_id_map) + orconn_ext_or_id_map = digestmap_new(); + + /* Remove any previous identifiers: */ + if (conn->ext_or_conn_id && !tor_digest_is_zero(conn->ext_or_conn_id)) + connection_or_remove_from_ext_or_id_map(conn); + + do { + crypto_rand(random_id, sizeof(random_id)); + } while (digestmap_get(orconn_ext_or_id_map, random_id)); + + if (!conn->ext_or_conn_id) + conn->ext_or_conn_id = tor_malloc_zero(EXT_OR_CONN_ID_LEN); + + memcpy(conn->ext_or_conn_id, random_id, EXT_OR_CONN_ID_LEN); + + tmp = digestmap_set(orconn_ext_or_id_map, random_id, conn); + tor_assert(!tmp); +} + /**************************************************************/ /** Map from a string describing what a non-open OR connection was doing when @@ -228,7 +297,7 @@ connection_or_get_state_description(or_connection_t *orconn, const char *conn_state; char tls_state[256]; - tor_assert(conn->type == CONN_TYPE_OR); + tor_assert(conn->type == CONN_TYPE_OR || conn->type == CONN_TYPE_EXT_OR); conn_state = conn_state_to_string(conn->type, conn->state); tor_tls_get_state_description(orconn->tls, tls_state, sizeof(tls_state)); @@ -645,7 +714,8 @@ connection_or_about_to_close(or_connection_t *or_conn) reason); if (!authdir_mode_tests_reachability(options)) control_event_bootstrap_problem( - orconn_end_reason_to_control_string(reason), reason); + orconn_end_reason_to_control_string(reason), + reason, or_conn); } } } else if (conn->hold_open_until_flushed) { @@ -1047,7 +1117,7 @@ connection_or_connect_failed(or_connection_t *conn, { control_event_or_conn_status(conn, OR_CONN_EVENT_FAILED, reason); if (!authdir_mode_tests_reachability(get_options())) - control_event_bootstrap_problem(msg, reason); + control_event_bootstrap_problem(msg, reason, conn); } /** <b>conn</b> got an error in connection_handle_read_impl() or @@ -1121,7 +1191,7 @@ connection_or_connect(const tor_addr_t *_addr, uint16_t port, return NULL; } - conn = or_connection_new(tor_addr_family(&addr)); + conn = or_connection_new(CONN_TYPE_OR, tor_addr_family(&addr)); /* * Set up conn so it's got all the data we need to remember for channels @@ -1164,6 +1234,12 @@ connection_or_connect(const tor_addr_t *_addr, uint16_t port, "your pluggable transport proxy stopped running.", fmt_addrport(&TO_CONN(conn)->addr, TO_CONN(conn)->port), transport_name, transport_name); + + control_event_bootstrap_problem( + "Can't connect to bridge", + END_OR_CONN_REASON_PT_MISSING, + conn); + } else { log_warn(LD_GENERAL, "Tried to connect to '%s' through a proxy, but " "the proxy address could not be found.", @@ -1266,8 +1342,8 @@ connection_or_close_for_error(or_connection_t *orconn, int flush) * * Return -1 if <b>conn</b> is broken, else return 0. */ -int -connection_tls_start_handshake(or_connection_t *conn, int receiving) +MOCK_IMPL(int, +connection_tls_start_handshake,(or_connection_t *conn, int receiving)) { channel_listener_t *chan_listener; channel_t *chan; @@ -1524,7 +1600,8 @@ connection_or_handle_event_cb(struct bufferevent *bufev, short event, int connection_or_nonopen_was_started_here(or_connection_t *conn) { - tor_assert(conn->base_.type == CONN_TYPE_OR); + tor_assert(conn->base_.type == CONN_TYPE_OR || + conn->base_.type == CONN_TYPE_EXT_OR); if (!conn->tls) return 1; /* it's still in proxy states or something */ if (conn->handshake_state) @@ -1677,7 +1754,8 @@ connection_or_client_learned_peer_id(or_connection_t *conn, if (!authdir_mode_tests_reachability(options)) control_event_bootstrap_problem( "Unexpected identity in router certificate", - END_OR_CONN_REASON_OR_IDENTITY); + END_OR_CONN_REASON_OR_IDENTITY, + conn); return -1; } if (authdir_mode_tests_reachability(options)) { @@ -1727,13 +1805,11 @@ connection_tls_finish_handshake(or_connection_t *conn) safe_str_client(conn->base_.address), tor_tls_get_ciphersuite_name(conn->tls)); - directory_set_dirty(); - if (connection_or_check_valid_tls_handshake(conn, started_here, digest_rcvd) < 0) return -1; - circuit_build_times_network_is_live(&circ_times); + circuit_build_times_network_is_live(get_circuit_build_times_mutable()); if (tor_tls_used_v1_handshake(conn->tls)) { conn->link_proto = 1; @@ -1767,7 +1843,7 @@ connection_or_launch_v3_or_handshake(or_connection_t *conn) tor_assert(connection_or_nonopen_was_started_here(conn)); tor_assert(tor_tls_received_v3_certificate(conn->tls)); - circuit_build_times_network_is_live(&circ_times); + circuit_build_times_network_is_live(get_circuit_build_times_mutable()); connection_or_change_state(conn, OR_CONN_STATE_OR_HANDSHAKING_V3); if (connection_init_or_handshake_state(conn, 1) < 0) @@ -1995,7 +2071,7 @@ connection_or_process_cells_from_inbuf(or_connection_t *conn) if (conn->chan) channel_timestamp_active(TLS_CHAN_TO_BASE(conn->chan)); - circuit_build_times_network_is_live(&circ_times); + circuit_build_times_network_is_live(get_circuit_build_times_mutable()); channel_tls_handle_var_cell(var_cell, conn); var_cell_free(var_cell); } else { @@ -2011,7 +2087,7 @@ connection_or_process_cells_from_inbuf(or_connection_t *conn) if (conn->chan) channel_timestamp_active(TLS_CHAN_TO_BASE(conn->chan)); - circuit_build_times_network_is_live(&circ_times); + circuit_build_times_network_is_live(get_circuit_build_times_mutable()); connection_fetch_from_buf(buf, cell_network_size, TO_CONN(conn)); /* retrieve cell info from buf (create the host-order struct from the |