131 lines
4.9 KiB
C
131 lines
4.9 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2016, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file rendservice.h
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* \brief Header file for rendservice.c.
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**/
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#ifndef TOR_RENDSERVICE_H
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#define TOR_RENDSERVICE_H
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#include "or.h"
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typedef struct rend_intro_cell_s rend_intro_cell_t;
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typedef struct rend_service_port_config_s rend_service_port_config_t;
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#ifdef RENDSERVICE_PRIVATE
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/* This can be used for both INTRODUCE1 and INTRODUCE2 */
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struct rend_intro_cell_s {
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/* Is this an INTRODUCE1 or INTRODUCE2? (set to 1 or 2) */
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uint8_t type;
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/* Public key digest */
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uint8_t pk[DIGEST_LEN];
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/* Optionally, store ciphertext here */
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uint8_t *ciphertext;
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ssize_t ciphertext_len;
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/* Optionally, store plaintext */
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uint8_t *plaintext;
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ssize_t plaintext_len;
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/* Have we parsed the plaintext? */
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uint8_t parsed;
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/* intro protocol version (0, 1, 2 or 3) */
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uint8_t version;
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/* Version-specific parts */
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union {
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struct {
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/* Rendezvous point nickname or hex-encoded key digest */
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uint8_t rp[42];
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} v0_v1;
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struct {
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/* The extend_info_t struct has everything v2 uses */
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extend_info_t *extend_info;
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} v2;
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struct {
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/* Auth type used */
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uint8_t auth_type;
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/* Length of auth data */
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uint16_t auth_len;
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/* Auth data */
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uint8_t *auth_data;
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/* Rendezvous point's IP address/port, identity digest and onion key */
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extend_info_t *extend_info;
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} v3;
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} u;
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/* Rendezvous cookie */
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uint8_t rc[REND_COOKIE_LEN];
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/* Diffie-Hellman data */
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uint8_t dh[DH_KEY_LEN];
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};
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#endif
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int num_rend_services(void);
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int rend_config_services(const or_options_t *options, int validate_only);
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int rend_service_load_all_keys(void);
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void rend_services_add_filenames_to_lists(smartlist_t *open_lst,
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smartlist_t *stat_lst);
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void rend_consider_services_intro_points(void);
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void rend_consider_services_upload(time_t now);
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void rend_hsdir_routers_changed(void);
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void rend_consider_descriptor_republication(void);
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void rend_service_intro_has_opened(origin_circuit_t *circuit);
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int rend_service_intro_established(origin_circuit_t *circuit,
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const uint8_t *request,
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size_t request_len);
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void rend_service_rendezvous_has_opened(origin_circuit_t *circuit);
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int rend_service_receive_introduction(origin_circuit_t *circuit,
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const uint8_t *request,
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size_t request_len);
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int rend_service_decrypt_intro(rend_intro_cell_t *request,
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crypto_pk_t *key,
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char **err_msg_out);
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void rend_service_free_intro(rend_intro_cell_t *request);
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rend_intro_cell_t * rend_service_begin_parse_intro(const uint8_t *request,
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size_t request_len,
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uint8_t type,
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char **err_msg_out);
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int rend_service_parse_intro_plaintext(rend_intro_cell_t *intro,
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char **err_msg_out);
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int rend_service_validate_intro_late(const rend_intro_cell_t *intro,
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char **err_msg_out);
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void rend_service_relaunch_rendezvous(origin_circuit_t *oldcirc);
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int rend_service_set_connection_addr_port(edge_connection_t *conn,
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origin_circuit_t *circ);
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void rend_service_dump_stats(int severity);
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void rend_service_free_all(void);
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rend_service_port_config_t *rend_service_parse_port_config(const char *string,
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const char *sep,
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char **err_msg_out);
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void rend_service_port_config_free(rend_service_port_config_t *p);
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/** Return value from rend_service_add_ephemeral. */
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typedef enum {
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RSAE_BADVIRTPORT = -4, /**< Invalid VIRTPORT/TARGET(s) */
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RSAE_ADDREXISTS = -3, /**< Onion address collision */
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RSAE_BADPRIVKEY = -2, /**< Invalid public key */
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RSAE_INTERNAL = -1, /**< Internal error */
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RSAE_OKAY = 0 /**< Service added as expected */
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} rend_service_add_ephemeral_status_t;
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rend_service_add_ephemeral_status_t rend_service_add_ephemeral(crypto_pk_t *pk,
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smartlist_t *ports,
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int max_streams_per_circuit,
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int max_streams_close_circuit,
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char **service_id_out);
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int rend_service_del_ephemeral(const char *service_id);
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void directory_post_to_hs_dir(rend_service_descriptor_t *renddesc,
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smartlist_t *descs, smartlist_t *hs_dirs,
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const char *service_id, int seconds_valid);
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void rend_service_desc_has_uploaded(const rend_data_t *rend_data);
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#endif
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