62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/* Copyright (c) 2016-2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file hs_intropoint.h
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* \brief Header file for hs_intropoint.c.
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**/
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#ifndef TOR_HS_INTRO_H
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#define TOR_HS_INTRO_H
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/* Authentication key type in an ESTABLISH_INTRO cell. */
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enum hs_intro_auth_key_type {
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HS_INTRO_AUTH_KEY_TYPE_LEGACY0 = 0x00,
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HS_INTRO_AUTH_KEY_TYPE_LEGACY1 = 0x01,
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HS_INTRO_AUTH_KEY_TYPE_ED25519 = 0x02,
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};
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/* INTRODUCE_ACK status code. */
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typedef enum {
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HS_INTRO_ACK_STATUS_SUCCESS = 0x0000,
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HS_INTRO_ACK_STATUS_UNKNOWN_ID = 0x0001,
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HS_INTRO_ACK_STATUS_BAD_FORMAT = 0x0002,
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HS_INTRO_ACK_STATUS_CANT_RELAY = 0x0003,
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} hs_intro_ack_status_t;
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int hs_intro_received_establish_intro(or_circuit_t *circ,
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const uint8_t *request,
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size_t request_len);
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int hs_intro_received_introduce1(or_circuit_t *circ, const uint8_t *request,
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size_t request_len);
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MOCK_DECL(int, hs_intro_send_intro_established_cell,(or_circuit_t *circ));
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/* also used by rendservice.c */
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int hs_intro_circuit_is_suitable_for_establish_intro(const or_circuit_t *circ);
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#ifdef HS_INTROPOINT_PRIVATE
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#include "hs/cell_establish_intro.h"
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#include "hs/cell_introduce1.h"
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STATIC int
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verify_establish_intro_cell(const trn_cell_establish_intro_t *out,
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const uint8_t *circuit_key_material,
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size_t circuit_key_material_len);
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STATIC void
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get_auth_key_from_cell(ed25519_public_key_t *auth_key_out,
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unsigned int cell_type, const void *cell);
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STATIC int introduce1_cell_is_legacy(const uint8_t *request);
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STATIC int handle_introduce1(or_circuit_t *client_circ,
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const uint8_t *request, size_t request_len);
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STATIC int validate_introduce1_parsed_cell(const trn_cell_introduce1_t *cell);
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STATIC int circuit_is_suitable_for_introduce1(const or_circuit_t *circ);
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#endif /* HS_INTROPOINT_PRIVATE */
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#endif /* TOR_HS_INTRO_H */
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