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
|
/*
* TLS Stream Helper
* (C) 2018-2019 Jack Lloyd
* 2018-2019 Hannes Rantzsch, Tim Oesterreich, Rene Meusel
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_ASIO_STREAM_BASE_H_
#define BOTAN_ASIO_STREAM_BASE_H_
#include <botan/auto_rng.h>
#include <botan/tls_client.h>
#include <botan/tls_server.h>
#include <botan/asio_error.h>
namespace Botan {
namespace TLS {
enum handshake_type
{
client,
server
};
/** \brief Base class for all Botan::TLS::Stream implementations.
*
* This template must be specialized for all the Botan::TLS::Channel to be used.
* Currently it only supports the Botan::TLS::Client channel that impersonates
* the client-side of a TLS connection.
*
* TODO: create a Botan::TLS::Server specialization
*/
template <class Channel>
class StreamBase
{
};
template <>
class StreamBase<Botan::TLS::Client>
{
public:
StreamBase(Botan::TLS::Session_Manager& sessionManager,
Botan::Credentials_Manager& credentialsManager,
const Botan::TLS::Policy& policy = Botan::TLS::Strict_Policy{},
const Botan::TLS::Server_Information& serverInfo =
Botan::TLS::Server_Information{})
: m_channel(m_core,
sessionManager,
credentialsManager,
policy,
m_rng,
serverInfo)
{
}
StreamBase(const StreamBase&) = delete;
StreamBase& operator=(const StreamBase&) = delete;
using handshake_type = Botan::TLS::handshake_type;
protected:
//! \brief validate the OpenSSL compatibility enum `handshake_type`
void validate_handshake_type(handshake_type type)
{
if(type != handshake_type::client)
{
throw Invalid_Argument("wrong handshake_type");
}
}
//! \brief validate the OpenSSL compatibility enum `handshake_type`
bool validate_handshake_type(handshake_type type, boost::system::error_code& ec)
{
if(type != handshake_type::client)
{
ec = make_error_code(Botan::TLS::error::invalid_argument);
return false;
}
return true;
}
Botan::TLS::StreamCore m_core;
Botan::AutoSeeded_RNG m_rng;
Botan::TLS::Client m_channel;
};
} // namespace TLS
} // namespace Botan
#endif
|
