80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* Copyright (c) 2016-2017, The Tor Project, Inc. */
|
|
/* See LICENSE for licensing information */
|
|
|
|
/**
|
|
* \file hs_intropoint.h
|
|
* \brief Header file for hs_intropoint.c.
|
|
**/
|
|
|
|
#ifndef TOR_HS_INTRO_H
|
|
#define TOR_HS_INTRO_H
|
|
|
|
#include "crypto_curve25519.h"
|
|
#include "torcert.h"
|
|
|
|
/* Authentication key type in an ESTABLISH_INTRO cell. */
|
|
typedef enum {
|
|
HS_INTRO_AUTH_KEY_TYPE_LEGACY0 = 0x00,
|
|
HS_INTRO_AUTH_KEY_TYPE_LEGACY1 = 0x01,
|
|
HS_INTRO_AUTH_KEY_TYPE_ED25519 = 0x02,
|
|
} hs_intro_auth_key_type_t;
|
|
|
|
/* INTRODUCE_ACK status code. */
|
|
typedef enum {
|
|
HS_INTRO_ACK_STATUS_SUCCESS = 0x0000,
|
|
HS_INTRO_ACK_STATUS_UNKNOWN_ID = 0x0001,
|
|
HS_INTRO_ACK_STATUS_BAD_FORMAT = 0x0002,
|
|
HS_INTRO_ACK_STATUS_CANT_RELAY = 0x0003,
|
|
} hs_intro_ack_status_t;
|
|
|
|
/* Object containing introduction point common data between the service and
|
|
* the client side. */
|
|
typedef struct hs_intropoint_t {
|
|
/* Does this intro point only supports legacy ID ?. */
|
|
unsigned int is_only_legacy : 1;
|
|
|
|
/* Authentication key certificate from the descriptor. */
|
|
tor_cert_t *auth_key_cert;
|
|
/* A list of link specifier. */
|
|
smartlist_t *link_specifiers;
|
|
} hs_intropoint_t;
|
|
|
|
int hs_intro_received_establish_intro(or_circuit_t *circ,
|
|
const uint8_t *request,
|
|
size_t request_len);
|
|
int hs_intro_received_introduce1(or_circuit_t *circ, const uint8_t *request,
|
|
size_t request_len);
|
|
|
|
MOCK_DECL(int, hs_intro_send_intro_established_cell,(or_circuit_t *circ));
|
|
|
|
/* also used by rendservice.c */
|
|
int hs_intro_circuit_is_suitable_for_establish_intro(const or_circuit_t *circ);
|
|
|
|
hs_intropoint_t *hs_intro_new(void);
|
|
void hs_intropoint_clear(hs_intropoint_t *ip);
|
|
|
|
#ifdef HS_INTROPOINT_PRIVATE
|
|
|
|
#include "hs/cell_establish_intro.h"
|
|
#include "hs/cell_introduce1.h"
|
|
|
|
STATIC int
|
|
verify_establish_intro_cell(const trn_cell_establish_intro_t *out,
|
|
const uint8_t *circuit_key_material,
|
|
size_t circuit_key_material_len);
|
|
|
|
STATIC void
|
|
get_auth_key_from_cell(ed25519_public_key_t *auth_key_out,
|
|
unsigned int cell_type, const void *cell);
|
|
|
|
STATIC int introduce1_cell_is_legacy(const uint8_t *request);
|
|
STATIC int handle_introduce1(or_circuit_t *client_circ,
|
|
const uint8_t *request, size_t request_len);
|
|
STATIC int validate_introduce1_parsed_cell(const trn_cell_introduce1_t *cell);
|
|
STATIC int circuit_is_suitable_for_introduce1(const or_circuit_t *circ);
|
|
|
|
#endif /* defined(HS_INTROPOINT_PRIVATE) */
|
|
|
|
#endif /* !defined(TOR_HS_INTRO_H) */
|
|
|