prop224: Use the client-side circuitmap in hs_client.c

Signed-off-by: David Goulet <dgoulet@torproject.org>

src/or/circuitlist.c

@@ -1498,33 +1498,6 @@ circuit_get_ready_rend_circ_by_rend_data(const rend_data_t *rend_data)
   return NULL;
 }
 
-/* Return an origin circuit such that:
- *  - Identifier identity key matches,
- *  - Rendezvous cookie matches
- *  - Circuit is not marked for close
- *  - Circuit has purpose CIRCUIT_PURPOSE_C_REND_READY.
- *
- * Return NULL if no such circuit exits. */
-origin_circuit_t *
-circuit_get_ready_rend_by_hs_ident(const hs_ident_circuit_t *ident)
-{
-  SMARTLIST_FOREACH_BEGIN(circuit_get_global_list(), circuit_t *, circ) {
-    if (!circ->marked_for_close &&
-        circ->purpose == CIRCUIT_PURPOSE_C_REND_READY) {
-      origin_circuit_t *ocirc = TO_ORIGIN_CIRCUIT(circ);
-      if (ocirc->hs_ident &&
-          ed25519_pubkey_eq(&ident->identity_pk,
-                            &ocirc->hs_ident->identity_pk) &&
-          tor_memeq(ident->rendezvous_cookie,
-                    ocirc->hs_ident->rendezvous_cookie,
-                    HS_REND_COOKIE_LEN)) {
-        return ocirc;
-      }
-    }
-  } SMARTLIST_FOREACH_END(circ);
-  return NULL;
-}
-
 /** Return the first service introduction circuit originating from the global
  * circuit list after <b>start</b> or at the start of the list if <b>start</b>
  * is NULL. Return NULL if no circuit is found.

src/or/circuitlist.h

@@ -46,8 +46,6 @@ void circuit_unlink_all_from_channel(channel_t *chan, int reason);
 origin_circuit_t *circuit_get_by_global_id(uint32_t id);
 origin_circuit_t *circuit_get_ready_rend_circ_by_rend_data(
   const rend_data_t *rend_data);
-origin_circuit_t *circuit_get_ready_rend_by_hs_ident(
-  const hs_ident_circuit_t *ident);
 origin_circuit_t *circuit_get_next_by_pk_and_purpose(origin_circuit_t *start,
                                      const uint8_t *digest, uint8_t purpose);
 origin_circuit_t *circuit_get_next_service_intro_circ(origin_circuit_t *start);

src/or/hs_circuit.c

@@ -1070,6 +1070,10 @@ hs_circ_send_introduce1(origin_circuit_t *intro_circ,
     goto done;
   }
 
+  /* Register rend circuit in circuitmap */
+  hs_circuitmap_register_rend_circ_client_side(rend_circ,
+                              rend_circ->hs_ident->rendezvous_cookie);
+
   /* Success. */
   ret = 0;
   goto done;

src/or/hs_client.c

@@ -503,9 +503,9 @@ handle_introduce_ack_success(origin_circuit_t *intro_circ)
 
   log_info(LD_REND, "Received INTRODUCE_ACK ack! Informing rendezvous");
 
-  /* Get the rendezvous circuit matching this intro point circuit.
-   * XXX Replace this by our hs circuitmap to support client? */
-  rend_circ = circuit_get_ready_rend_by_hs_ident(intro_circ->hs_ident);
+  /* Get the rendezvous circuit for this rendezvous cookie. */
+  uint8_t *rendezvous_cookie = intro_circ->hs_ident->rendezvous_cookie;
+  rend_circ = hs_circuitmap_get_rend_circ_client_side(rendezvous_cookie);
   if (rend_circ == NULL) {
     log_warn(LD_REND, "Can't find any rendezvous circuit. Stopping");
     goto end;