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
|
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2012, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef HAVE_UHUB_NETWORK_TLS_H
#define HAVE_UHUB_NETWORK_TLS_H
#include "uhub.h"
#ifdef SSL_SUPPORT
enum ssl_state
{
tls_st_none,
tls_st_error,
tls_st_accepting,
tls_st_connecting,
tls_st_connected,
tls_st_need_read, /* special case of connected */
tls_st_need_write, /* special case of connected */
tls_st_disconnecting,
};
enum net_con_ssl_mode
{
net_con_ssl_mode_server,
net_con_ssl_mode_client,
};
struct ssl_context_handle;
/**
* Returns a string describing the TLS/SSL provider information
*/
extern const char* net_ssl_get_provider();
/**
* return 0 if error, 1 on success.
*/
extern int net_ssl_library_init();
extern int net_ssl_library_shutdown();
/**
* Create a new SSL context.
*/
extern struct ssl_context_handle* net_ssl_context_create();
extern void net_ssl_context_destroy(struct ssl_context_handle* ctx);
/**
* Return 0 on error, 1 otherwise.
*/
extern int ssl_load_certificate(struct ssl_context_handle* ctx, const char* pem_file);
/**
* Return 0 on error, 1 otherwise.
*/
extern int ssl_load_private_key(struct ssl_context_handle* ctx, const char* pem_file);
/**
* Return 0 if private key does not match certificate, 1 if everything is OK.
*/
extern int ssl_check_private_key(struct ssl_context_handle* ctx);
/**
* Start SSL_accept()
*/
extern ssize_t net_con_ssl_accept(struct net_connection*);
/**
* Start SSL_connect()
*/
extern ssize_t net_con_ssl_connect(struct net_connection*);
extern ssize_t net_ssl_send(struct net_connection* con, const void* buf, size_t len);
extern ssize_t net_ssl_recv(struct net_connection* con, void* buf, size_t len);
extern void net_ssl_shutdown(struct net_connection* con);
extern void net_ssl_destroy(struct net_connection* con);
extern void net_ssl_callback(struct net_connection* con, int events);
extern ssize_t net_con_ssl_handshake(struct net_connection* con, enum net_con_ssl_mode, struct ssl_context_handle* ssl_ctx);
extern int net_con_is_ssl(struct net_connection* con);
#endif /* SSL_SUPPORT */
#endif /* HAVE_UHUB_NETWORK_TLS_H */
|