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prop224: Make client send INTRODUCE1 cell

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Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
David Goulet 2017-07-21 16:31:27 -04:00
parent abb840bf64
commit e7c06e6947
1 changed files with 23 additions and 11 deletions
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34
src/or/circuituse.c
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@ -2174,22 +2174,25 @@ circuit_get_open_circ_or_launch(entry_connection_t *conn,
/* If this is a hidden service trying to start an introduction point, /* If this is a hidden service trying to start an introduction point,
* handle that case. */ * handle that case. */
if (desired_circuit_purpose == CIRCUIT_PURPOSE_C_INTRODUCE_ACK_WAIT) { if (desired_circuit_purpose == CIRCUIT_PURPOSE_C_INTRODUCE_ACK_WAIT) {
const edge_connection_t *edge_conn = ENTRY_TO_EDGE_CONN(conn);
/* need to pick an intro point */ /* need to pick an intro point */
rend_data_t *rend_data = ENTRY_TO_EDGE_CONN(conn)->rend_data; extend_info = hs_client_get_random_intro_from_edge(edge_conn);
tor_assert(rend_data);
extend_info = rend_client_get_random_intro(rend_data);
if (!extend_info) { if (!extend_info) {
log_info(LD_REND, log_info(LD_REND, "No intro points: re-fetching service descriptor.");
"No intro points for '%s': re-fetching service descriptor.", if (edge_conn->rend_data) {
safe_str_client(rend_data_get_address(rend_data))); rend_client_refetch_v2_renddesc(edge_conn->rend_data);
rend_client_refetch_v2_renddesc(rend_data); } else {
hs_client_refetch_hsdesc(&edge_conn->hs_ident->identity_pk);
}
connection_ap_mark_as_non_pending_circuit(conn); connection_ap_mark_as_non_pending_circuit(conn);
ENTRY_TO_CONN(conn)->state = AP_CONN_STATE_RENDDESC_WAIT; ENTRY_TO_CONN(conn)->state = AP_CONN_STATE_RENDDESC_WAIT;
return 0; return 0;
} }
log_info(LD_REND,"Chose %s as intro point for '%s'.", log_info(LD_REND,"Chose %s as intro point for '%s'.",
extend_info_describe(extend_info), extend_info_describe(extend_info),
safe_str_client(rend_data_get_address(rend_data))); (edge_conn->rend_data) ?
safe_str_client(rend_data_get_address(edge_conn->rend_data)) :
"service");
} }
/* If we have specified a particular exit node for our /* If we have specified a particular exit node for our
@ -2308,8 +2311,15 @@ circuit_get_open_circ_or_launch(entry_connection_t *conn,
/* help predict this next time */ /* help predict this next time */
rep_hist_note_used_internal(time(NULL), need_uptime, 1); rep_hist_note_used_internal(time(NULL), need_uptime, 1);
if (circ) { if (circ) {
/* write the service_id into circ */ const edge_connection_t *edge_conn = ENTRY_TO_EDGE_CONN(conn);
circ->rend_data = rend_data_dup(ENTRY_TO_EDGE_CONN(conn)->rend_data); if (edge_conn->rend_data) {
/* write the service_id into circ */
circ->rend_data = rend_data_dup(edge_conn->rend_data);
} else if (edge_conn->hs_ident) {
circ->hs_ident =
hs_ident_circuit_new(&edge_conn->hs_ident->identity_pk,
HS_IDENT_CIRCUIT_INTRO);
}
if (circ->base_.purpose == CIRCUIT_PURPOSE_C_ESTABLISH_REND && if (circ->base_.purpose == CIRCUIT_PURPOSE_C_ESTABLISH_REND &&
circ->base_.state == CIRCUIT_STATE_OPEN) circ->base_.state == CIRCUIT_STATE_OPEN)
circuit_has_opened(circ); circuit_has_opened(circ);
@ -2737,12 +2747,14 @@ connection_ap_handshake_attach_circuit(entry_connection_t *conn)
tor_assert(introcirc->base_.purpose == CIRCUIT_PURPOSE_C_INTRODUCING); tor_assert(introcirc->base_.purpose == CIRCUIT_PURPOSE_C_INTRODUCING);
if (introcirc->base_.state == CIRCUIT_STATE_OPEN) { if (introcirc->base_.state == CIRCUIT_STATE_OPEN) {
int ret;
log_info(LD_REND,"found open intro circ %u (rend %u); sending " log_info(LD_REND,"found open intro circ %u (rend %u); sending "
"introduction. (stream %d sec old)", "introduction. (stream %d sec old)",
(unsigned)introcirc->base_.n_circ_id, (unsigned)introcirc->base_.n_circ_id,
(unsigned)rendcirc->base_.n_circ_id, (unsigned)rendcirc->base_.n_circ_id,
conn_age); conn_age);
switch (rend_client_send_introduction(introcirc, rendcirc)) { ret = hs_client_send_introduce1(introcirc, rendcirc);
switch (ret) {
case 0: /* success */ case 0: /* success */
rendcirc->base_.timestamp_dirty = time(NULL); rendcirc->base_.timestamp_dirty = time(NULL);
introcirc->base_.timestamp_dirty = time(NULL); introcirc->base_.timestamp_dirty = time(NULL);