93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/* Copyright (c) 2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file hs_client.h
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* \brief Header file containing client data for the HS subsytem.
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**/
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#ifndef TOR_HS_CLIENT_H
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#define TOR_HS_CLIENT_H
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#include "crypto_ed25519.h"
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#include "hs_descriptor.h"
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#include "hs_ident.h"
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/* Status code of a descriptor fetch request. */
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typedef enum {
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/* Something internally went wrong. */
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HS_CLIENT_FETCH_ERROR = -1,
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/* The fetch request has been launched successfully. */
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HS_CLIENT_FETCH_LAUNCHED = 0,
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/* We already have a usable descriptor. No fetch. */
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HS_CLIENT_FETCH_HAVE_DESC = 1,
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/* No more HSDir available to query. */
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HS_CLIENT_FETCH_NO_HSDIRS = 2,
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/* The fetch request is not allowed. */
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HS_CLIENT_FETCH_NOT_ALLOWED = 3,
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/* We are missing information to be able to launch a request. */
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HS_CLIENT_FETCH_MISSING_INFO = 4,
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/* There is a pending fetch for the requested service. */
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HS_CLIENT_FETCH_PENDING = 5,
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} hs_client_fetch_status_t;
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void hs_client_note_connection_attempt_succeeded(
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const edge_connection_t *conn);
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int hs_client_decode_descriptor(
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const char *desc_str,
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const ed25519_public_key_t *service_identity_pk,
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hs_descriptor_t **desc);
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int hs_client_any_intro_points_usable(const ed25519_public_key_t *service_pk,
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const hs_descriptor_t *desc);
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int hs_client_refetch_hsdesc(const ed25519_public_key_t *identity_pk);
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void hs_client_dir_info_changed(void);
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int hs_client_send_introduce1(origin_circuit_t *intro_circ,
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origin_circuit_t *rend_circ);
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void hs_client_circuit_has_opened(origin_circuit_t *circ);
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int hs_client_receive_rendezvous_acked(origin_circuit_t *circ,
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const uint8_t *payload,
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size_t payload_len);
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int hs_client_receive_introduce_ack(origin_circuit_t *circ,
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const uint8_t *payload,
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size_t payload_len);
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int hs_client_receive_rendezvous2(origin_circuit_t *circ,
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const uint8_t *payload,
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size_t payload_len);
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void hs_client_desc_has_arrived(const hs_ident_dir_conn_t *ident);
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extend_info_t *hs_client_get_random_intro_from_edge(
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const edge_connection_t *edge_conn);
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int hs_client_reextend_intro_circuit(origin_circuit_t *circ);
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void hs_client_purge_state(void);
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void hs_client_free_all(void);
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#ifdef HS_CLIENT_PRIVATE
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STATIC routerstatus_t *
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pick_hsdir_v3(const ed25519_public_key_t *onion_identity_pk);
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STATIC extend_info_t *
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client_get_random_intro(const ed25519_public_key_t *service_pk);
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STATIC extend_info_t *
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desc_intro_point_to_extend_info(const hs_desc_intro_point_t *ip);
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STATIC int handle_rendezvous2(origin_circuit_t *circ, const uint8_t *payload,
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size_t payload_len);
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MOCK_DECL(STATIC hs_client_fetch_status_t,
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fetch_v3_desc, (const ed25519_public_key_t *onion_identity_pk));
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#endif /* defined(HS_CLIENT_PRIVATE) */
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#endif /* !defined(TOR_HS_CLIENT_H) */
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