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hs: Implement note_connection_attempt_succeeded()
v3 client now cleans up the HSDir request cache when a connection to a service was successful. Closes #23308 Signed-off-by: David Goulet <dgoulet@torproject.org>
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@ -57,15 +57,49 @@ flag_all_conn_wait_desc(const ed25519_public_key_t *service_identity_pk)
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smartlist_free(conns);
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}
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/* Remove tracked HSDir requests from our history for this hidden service
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* identity public key. */
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static void
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purge_hid_serv_request(const ed25519_public_key_t *identity_pk)
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{
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char base64_blinded_pk[ED25519_BASE64_LEN + 1];
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ed25519_public_key_t blinded_pk;
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tor_assert(identity_pk);
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/* Get blinded pubkey of hidden service. It is possible that we just moved
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* to a new time period meaning that we won't be able to purge the request
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* from the previous time period. That is fine because they will expire at
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* some point and we don't care about those anymore. */
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hs_build_blinded_pubkey(identity_pk, NULL, 0,
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hs_get_time_period_num(approx_time()), &blinded_pk);
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if (BUG(ed25519_public_to_base64(base64_blinded_pk, &blinded_pk) < 0)) {
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return;
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}
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/* Purge last hidden service request from cache for this blinded key. */
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hs_purge_hid_serv_from_last_hid_serv_requests(base64_blinded_pk);
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}
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/* A v3 HS circuit successfully connected to the hidden service. Update the
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* stream state at <b>hs_conn_ident</b> appropriately. */
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static void
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note_connection_attempt_succeeded(const hs_ident_edge_conn_t *hs_conn_ident)
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{
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(void) hs_conn_ident;
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tor_assert(hs_conn_ident);
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/* TODO: When implementing client side */
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return;
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/* Remove from the hid serv cache all requests for that service so we can
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* query the HSDir again later on for various reasons. */
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purge_hid_serv_request(&hs_conn_ident->identity_pk);
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/* The v2 subsystem cleans up the intro point time out flag at this stage.
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* We don't try to do it here because we still need to keep intact the intro
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* point state for future connections. Even though we are able to connect to
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* the service, doesn't mean we should reset the timed out intro points.
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*
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* It is not possible to have successfully connected to an intro point
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* present in our cache that was on error or timed out. Every entry in that
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* cache have a 2 minutes lifetime so ultimately the intro point(s) state
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* will be reset and thus possible to be retried. */
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}
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/* Given the pubkey of a hidden service in <b>onion_identity_pk</b>, fetch its
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