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Merge branch 'extract_ext_orport'
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commit
65b75ef3d5
3
changes/ticket33368
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3
changes/ticket33368
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@ -0,0 +1,3 @@
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o Minor features (client-only compilation):
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- Disable more code related to the ext_orport protocol when compiling
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without support for relay mode. Closes ticket 33368.
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@ -75,7 +75,8 @@ tor_cleanup(void)
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/* Remove Extended ORPort cookie authentication file */
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{
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char *cookie_fname = get_ext_or_auth_cookie_file_name();
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tor_remove_file(cookie_fname);
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if (cookie_fname)
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tor_remove_file(cookie_fname);
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tor_free(cookie_fname);
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}
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if (accounting_is_enabled(options))
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@ -109,10 +109,6 @@ TO_OR_CONN(connection_t *c)
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return DOWNCAST(or_connection_t, c);
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}
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/** Global map between Extended ORPort identifiers and OR
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* connections. */
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static digestmap_t *orconn_ext_or_id_map = NULL;
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/** Clear clear conn->identity_digest and update other data
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* structures as appropriate.*/
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void
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@ -198,71 +194,6 @@ connection_or_set_identity_digest(or_connection_t *conn,
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channel_set_identity_digest(chan, rsa_digest, ed_id);
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}
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/** Remove the Extended ORPort identifier of <b>conn</b> from the
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* global identifier list. Also, clear the identifier from the
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* connection itself. */
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void
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connection_or_remove_from_ext_or_id_map(or_connection_t *conn)
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{
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or_connection_t *tmp;
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if (!orconn_ext_or_id_map)
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return;
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if (!conn->ext_or_conn_id)
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return;
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tmp = digestmap_remove(orconn_ext_or_id_map, conn->ext_or_conn_id);
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if (!tor_digest_is_zero(conn->ext_or_conn_id))
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tor_assert(tmp == conn);
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memset(conn->ext_or_conn_id, 0, EXT_OR_CONN_ID_LEN);
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}
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/** Return the connection whose ext_or_id is <b>id</b>. Return NULL if no such
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* connection is found. */
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or_connection_t *
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connection_or_get_by_ext_or_id(const char *id)
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{
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if (!orconn_ext_or_id_map)
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return NULL;
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return digestmap_get(orconn_ext_or_id_map, id);
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}
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/** Deallocate the global Extended ORPort identifier list */
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void
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connection_or_clear_ext_or_id_map(void)
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{
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digestmap_free(orconn_ext_or_id_map, NULL);
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orconn_ext_or_id_map = NULL;
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}
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/** Creates an Extended ORPort identifier for <b>conn</b> and deposits
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* it into the global list of identifiers. */
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void
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connection_or_set_ext_or_identifier(or_connection_t *conn)
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{
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char random_id[EXT_OR_CONN_ID_LEN];
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or_connection_t *tmp;
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if (!orconn_ext_or_id_map)
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orconn_ext_or_id_map = digestmap_new();
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/* Remove any previous identifiers: */
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if (conn->ext_or_conn_id && !tor_digest_is_zero(conn->ext_or_conn_id))
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connection_or_remove_from_ext_or_id_map(conn);
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do {
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crypto_rand(random_id, sizeof(random_id));
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} while (digestmap_get(orconn_ext_or_id_map, random_id));
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if (!conn->ext_or_conn_id)
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conn->ext_or_conn_id = tor_malloc_zero(EXT_OR_CONN_ID_LEN);
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memcpy(conn->ext_or_conn_id, random_id, EXT_OR_CONN_ID_LEN);
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tmp = digestmap_set(orconn_ext_or_id_map, random_id, conn);
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tor_assert(!tmp);
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}
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/**************************************************************/
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/** Map from a string describing what a non-open OR connection was doing when
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@ -24,4 +24,11 @@ struct ext_or_cmd_t {
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int fetch_ext_or_command_from_buf(struct buf_t *buf,
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struct ext_or_cmd_t **out);
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ext_or_cmd_t *ext_or_cmd_new(uint16_t len);
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#define ext_or_cmd_free(cmd) \
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FREE_AND_NULL(ext_or_cmd_t, ext_or_cmd_free_, (cmd))
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void ext_or_cmd_free_(ext_or_cmd_t *cmd);
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#endif /* !defined(TOR_PROTO_EXT_OR_H) */
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@ -1420,8 +1420,10 @@ create_managed_proxy_environment(const managed_proxy_t *mp)
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smartlist_add_asprintf(envs, "TOR_PT_EXTENDED_SERVER_PORT=%s",
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ext_or_addrport_tmp);
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}
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smartlist_add_asprintf(envs, "TOR_PT_AUTH_COOKIE_FILE=%s",
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cookie_file_loc);
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if (cookie_file_loc) {
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smartlist_add_asprintf(envs, "TOR_PT_AUTH_COOKIE_FILE=%s",
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cookie_file_loc);
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}
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tor_free(ext_or_addrport_tmp);
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tor_free(cookie_file_loc);
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@ -652,6 +652,77 @@ connection_ext_or_start_auth(or_connection_t *or_conn)
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return 0;
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}
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/** Global map between Extended ORPort identifiers and OR
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* connections. */
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static digestmap_t *orconn_ext_or_id_map = NULL;
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/** Remove the Extended ORPort identifier of <b>conn</b> from the
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* global identifier list. Also, clear the identifier from the
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* connection itself. */
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void
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connection_or_remove_from_ext_or_id_map(or_connection_t *conn)
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{
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or_connection_t *tmp;
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if (!orconn_ext_or_id_map)
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return;
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if (!conn->ext_or_conn_id)
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return;
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tmp = digestmap_remove(orconn_ext_or_id_map, conn->ext_or_conn_id);
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if (!tor_digest_is_zero(conn->ext_or_conn_id))
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tor_assert(tmp == conn);
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memset(conn->ext_or_conn_id, 0, EXT_OR_CONN_ID_LEN);
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}
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#ifdef TOR_UNIT_TESTS
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/** Return the connection whose ext_or_id is <b>id</b>. Return NULL if no such
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* connection is found. */
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or_connection_t *
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connection_or_get_by_ext_or_id(const char *id)
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{
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if (!orconn_ext_or_id_map)
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return NULL;
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return digestmap_get(orconn_ext_or_id_map, id);
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}
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#endif
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/** Deallocate the global Extended ORPort identifier list */
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void
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connection_or_clear_ext_or_id_map(void)
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{
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digestmap_free(orconn_ext_or_id_map, NULL);
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orconn_ext_or_id_map = NULL;
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}
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/** Creates an Extended ORPort identifier for <b>conn</b> and deposits
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* it into the global list of identifiers. */
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void
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connection_or_set_ext_or_identifier(or_connection_t *conn)
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{
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char random_id[EXT_OR_CONN_ID_LEN];
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or_connection_t *tmp;
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if (!orconn_ext_or_id_map)
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orconn_ext_or_id_map = digestmap_new();
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/* Remove any previous identifiers: */
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if (conn->ext_or_conn_id && !tor_digest_is_zero(conn->ext_or_conn_id))
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connection_or_remove_from_ext_or_id_map(conn);
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do {
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crypto_rand(random_id, sizeof(random_id));
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} while (digestmap_get(orconn_ext_or_id_map, random_id));
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if (!conn->ext_or_conn_id)
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conn->ext_or_conn_id = tor_malloc_zero(EXT_OR_CONN_ID_LEN);
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memcpy(conn->ext_or_conn_id, random_id, EXT_OR_CONN_ID_LEN);
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tmp = digestmap_set(orconn_ext_or_id_map, random_id, conn);
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tor_assert(!tmp);
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}
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/** Free any leftover allocated memory of the ext_orport.c subsystem. */
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void
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ext_orport_free_all(void)
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@ -31,26 +31,56 @@
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#define EXT_OR_CONN_STATE_FLUSHING 5
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#define EXT_OR_CONN_STATE_MAX_ 5
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#ifdef HAVE_MODULE_RELAY
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int connection_ext_or_start_auth(or_connection_t *or_conn);
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ext_or_cmd_t *ext_or_cmd_new(uint16_t len);
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#define ext_or_cmd_free(cmd) \
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FREE_AND_NULL(ext_or_cmd_t, ext_or_cmd_free_, (cmd))
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void ext_or_cmd_free_(ext_or_cmd_t *cmd);
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void connection_or_set_ext_or_identifier(or_connection_t *conn);
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void connection_or_remove_from_ext_or_id_map(or_connection_t *conn);
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void connection_or_clear_ext_or_id_map(void);
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or_connection_t *connection_or_get_by_ext_or_id(const char *id);
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int connection_ext_or_finished_flushing(or_connection_t *conn);
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int connection_ext_or_process_inbuf(or_connection_t *or_conn);
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int init_ext_or_cookie_authentication(int is_enabled);
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char *get_ext_or_auth_cookie_file_name(void);
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/* (No stub needed for these: they are only called within feature/relay.) */
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int init_ext_or_cookie_authentication(int is_enabled);
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void ext_orport_free_all(void);
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#else /* !defined(HAVE_MODULE_RELAY) */
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static inline int
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connection_ext_or_start_auth(or_connection_t *conn)
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{
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(void)conn;
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tor_assert_nonfatal_unreached();
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return -1;
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}
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static inline int
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connection_ext_or_finished_flushing(or_connection_t *conn)
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{
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(void)conn;
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tor_assert_nonfatal_unreached();
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return -1;
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}
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static inline int
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connection_ext_or_process_inbuf(or_connection_t *conn)
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{
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(void)conn;
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tor_assert_nonfatal_unreached();
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return -1;
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}
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#define connection_or_set_ext_or_identifier(conn) \
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((void)(conn))
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#define connection_or_remove_from_ext_or_id_map(conn) \
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((void)(conn))
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#define connection_or_clear_ext_or_id_map() \
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STMT_NIL
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#define get_ext_or_auth_cookie_file_name() \
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(NULL)
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#endif /* defined(HAVE_MODULE_RELAY) */
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#ifdef EXT_ORPORT_PRIVATE
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STATIC int connection_write_ext_or_command(connection_t *conn,
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uint16_t command,
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@ -60,9 +90,11 @@ STATIC int handle_client_auth_nonce(const char *client_nonce,
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size_t client_nonce_len,
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char **client_hash_out,
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char **reply_out, size_t *reply_len_out);
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#ifdef TOR_UNIT_TESTS
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extern uint8_t *ext_or_auth_cookie;
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extern int ext_or_auth_cookie_is_set;
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or_connection_t *connection_or_get_by_ext_or_id(const char *id);
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#endif
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#endif /* defined(EXT_ORPORT_PRIVATE) */
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# Legacy shared relay code: migrate to the relay module over time
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LIBTOR_APP_A_SOURCES += \
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src/feature/relay/dns.c \
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src/feature/relay/ext_orport.c \
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src/feature/relay/onion_queue.c \
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src/feature/relay/router.c \
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src/feature/relay/routerkeys.c
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@ -11,6 +10,7 @@ LIBTOR_APP_A_SOURCES += \
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# ADD_C_FILE: INSERT SOURCES HERE.
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MODULE_RELAY_SOURCES = \
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src/feature/relay/ext_orport.c \
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src/feature/relay/routermode.c \
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src/feature/relay/relay_config.c \
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src/feature/relay/relay_periodic.c \
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