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make the prefertunnel stuff less obviously broken

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svn:r9697
This commit is contained in:
Roger Dingledine 2007-03-01 03:56:21 +00:00
parent 2780bb74c8
commit b0aaa88433
1 changed files with 10 additions and 5 deletions
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15
src/or/circuituse.c
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@ -81,8 +81,8 @@ circuit_is_acceptable(circuit_t *circ, edge_connection_t *conn,
return 0;
if (purpose == CIRCUIT_PURPOSE_C_GENERAL) {
if (!exitrouter) {
log_debug(LD_CIRC,"Not considering circuit with unknown router.");
if (!exitrouter && !build_state->onehop_tunnel) {
log_debug(LD_CIRC,"Not considering circuit with unknown router.");
return 0; /* this circuit is screwed and doesn't know it yet,
* or is a rendezvous circuit. */
}
@ -98,7 +98,7 @@ circuit_is_acceptable(circuit_t *circ, edge_connection_t *conn,
return 0;
}
}
if (!connection_ap_can_use_exit(conn, exitrouter)) {
if (exitrouter && !connection_ap_can_use_exit(conn, exitrouter)) {
/* can't exit from this router */
return 0;
}
@ -1019,12 +1019,15 @@ circuit_get_open_circ_or_launch(edge_connection_t *conn,
if (r) {
extend_info = extend_info_from_router(r);
} else {
log_debug(LD_DIR, "considering %d, %s",
want_onehop, conn->chosen_exit_name);
if (want_onehop && conn->chosen_exit_name[0] == '$') {
/* We're asking for a one-hop circuit to a router that
* we don't have a routerinfo about. Hope we have a
* routerstatus or equivalent. */
routerstatus_t *s =
routerstatus_get_by_hexdigest(conn->chosen_exit_name+1);
log_debug(LD_DIR, "result is %d", (int)s);
if (s) {
extend_info = extend_info_from_routerstatus(s);
} else {
@ -1204,10 +1207,12 @@ connection_ap_handshake_attach_circuit(edge_connection_t *conn)
{
int retval;
int conn_age;
int want_onehop;
tor_assert(conn);
tor_assert(conn->_base.state == AP_CONN_STATE_CIRCUIT_WAIT);
tor_assert(conn->socks_request);
want_onehop = conn->socks_request->command == SOCKS_COMMAND_CONNECT_DIR;
conn_age = time(NULL) - conn->_base.timestamp_created;
@ -1217,7 +1222,7 @@ connection_ap_handshake_attach_circuit(edge_connection_t *conn)
if (conn->chosen_exit_name) {
routerinfo_t *router = router_get_by_nickname(conn->chosen_exit_name, 1);
int opt = conn->_base.chosen_exit_optional;
if (!router) {
if (!router && !want_onehop) {
log_fn(opt ? LOG_INFO : LOG_WARN, LD_APP,
"Requested exit point '%s' is not known. %s.",
conn->chosen_exit_name, opt ? "Trying others" : "Closing");
@ -1228,7 +1233,7 @@ connection_ap_handshake_attach_circuit(edge_connection_t *conn)
}
return -1;
}
if (!connection_ap_can_use_exit(conn, router)) {
if (router && !connection_ap_can_use_exit(conn, router)) {
log_fn(opt ? LOG_INFO : LOG_WARN, LD_APP,
"Requested exit point '%s' would refuse request. %s.",
conn->chosen_exit_name, opt ? "Trying others" : "Closing");