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Diffstat (limited to 'src/or/connection_edge.c')
-rw-r--r--src/or/connection_edge.c80
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");
-}
-