1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2016, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file rendservice.h
* \brief Header file for rendservice.c.
**/
#ifndef TOR_RENDSERVICE_H
#define TOR_RENDSERVICE_H
#include "or.h"
typedef struct rend_intro_cell_s rend_intro_cell_t;
typedef struct rend_service_port_config_s rend_service_port_config_t;
#ifdef RENDSERVICE_PRIVATE
/* This can be used for both INTRODUCE1 and INTRODUCE2 */
struct rend_intro_cell_s {
/* Is this an INTRODUCE1 or INTRODUCE2? (set to 1 or 2) */
uint8_t type;
/* Public key digest */
uint8_t pk[DIGEST_LEN];
/* Optionally, store ciphertext here */
uint8_t *ciphertext;
ssize_t ciphertext_len;
/* Optionally, store plaintext */
uint8_t *plaintext;
ssize_t plaintext_len;
/* Have we parsed the plaintext? */
uint8_t parsed;
/* intro protocol version (0, 1, 2 or 3) */
uint8_t version;
/* Version-specific parts */
union {
struct {
/* Rendezvous point nickname or hex-encoded key digest */
uint8_t rp[42];
} v0_v1;
struct {
/* The extend_info_t struct has everything v2 uses */
extend_info_t *extend_info;
} v2;
struct {
/* Auth type used */
uint8_t auth_type;
/* Length of auth data */
uint16_t auth_len;
/* Auth data */
uint8_t *auth_data;
/* Rendezvous point's IP address/port, identity digest and onion key */
extend_info_t *extend_info;
} v3;
} u;
/* Rendezvous cookie */
uint8_t rc[REND_COOKIE_LEN];
/* Diffie-Hellman data */
uint8_t dh[DH_KEY_LEN];
};
#endif
int num_rend_services(void);
int rend_config_services(const or_options_t *options, int validate_only);
int rend_service_load_all_keys(void);
void rend_services_add_filenames_to_lists(smartlist_t *open_lst,
smartlist_t *stat_lst);
void rend_consider_services_intro_points(void);
void rend_consider_services_upload(time_t now);
void rend_hsdir_routers_changed(void);
void rend_consider_descriptor_republication(void);
void rend_service_intro_has_opened(origin_circuit_t *circuit);
int rend_service_intro_established(origin_circuit_t *circuit,
const uint8_t *request,
size_t request_len);
void rend_service_rendezvous_has_opened(origin_circuit_t *circuit);
int rend_service_receive_introduction(origin_circuit_t *circuit,
const uint8_t *request,
size_t request_len);
int rend_service_decrypt_intro(rend_intro_cell_t *request,
crypto_pk_t *key,
char **err_msg_out);
void rend_service_free_intro(rend_intro_cell_t *request);
rend_intro_cell_t * rend_service_begin_parse_intro(const uint8_t *request,
size_t request_len,
uint8_t type,
char **err_msg_out);
int rend_service_parse_intro_plaintext(rend_intro_cell_t *intro,
char **err_msg_out);
int rend_service_validate_intro_late(const rend_intro_cell_t *intro,
char **err_msg_out);
void rend_service_relaunch_rendezvous(origin_circuit_t *oldcirc);
int rend_service_set_connection_addr_port(edge_connection_t *conn,
origin_circuit_t *circ);
void rend_service_dump_stats(int severity);
void rend_service_free_all(void);
rend_service_port_config_t *rend_service_parse_port_config(const char *string,
const char *sep,
char **err_msg_out);
void rend_service_port_config_free(rend_service_port_config_t *p);
/** Return value from rend_service_add_ephemeral. */
typedef enum {
RSAE_BADVIRTPORT = -4, /**< Invalid VIRTPORT/TARGET(s) */
RSAE_ADDREXISTS = -3, /**< Onion address collision */
RSAE_BADPRIVKEY = -2, /**< Invalid public key */
RSAE_INTERNAL = -1, /**< Internal error */
RSAE_OKAY = 0 /**< Service added as expected */
} rend_service_add_ephemeral_status_t;
rend_service_add_ephemeral_status_t rend_service_add_ephemeral(crypto_pk_t *pk,
smartlist_t *ports,
int max_streams_per_circuit,
int max_streams_close_circuit,
char **service_id_out);
int rend_service_del_ephemeral(const char *service_id);
void directory_post_to_hs_dir(rend_service_descriptor_t *renddesc,
smartlist_t *descs, smartlist_t *hs_dirs,
const char *service_id, int seconds_valid);
void rend_service_desc_has_uploaded(const rend_data_t *rend_data);
#endif
|
