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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
// Copyright (C) 2010-2014 David Sugar, Tycho Softworks.
// Copyright (C) 2015-2020 Cherokees of Idaho.
//
// This file is part of GNU uCommon C++.
//
// GNU uCommon C++ is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU uCommon C++ 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.
#include "local.h"
extern "C" {
static void secure_shutdown(void)
{
gnutls_global_deinit();
}
}
namespace ucommon {
gnutls_priority_t __context::priority_cache;
bool secure::fips(void)
{
return false;
}
bool secure::init(void)
{
static bool initialized = false;
if(!initialized) {
Thread::init();
Socket::init();
gnutls_global_init();
gnutls_priority_init (&__context::priority_cache, "NORMAL", NULL);
atexit(secure_shutdown);
initialized = true;
}
return true;
}
secure::server_t secure::server(const char *certfile, const char *ca)
{
__context *ctx = new __context;
if(!ctx)
return NULL;
ctx->error = secure::OK;
ctx->connect = GNUTLS_SERVER;
ctx->xtype = GNUTLS_CRD_CERTIFICATE;
ctx->xcred = NULL;
ctx->dh = NULL;
gnutls_certificate_allocate_credentials(&ctx->xcred);
gnutls_certificate_set_x509_key_file(ctx->xcred, certfile, certfile, GNUTLS_X509_FMT_PEM);
if(!ca)
ca = oscerts();
gnutls_certificate_set_x509_trust_file (ctx->xcred, ca, GNUTLS_X509_FMT_PEM);
return ctx;
}
secure::client_t secure::client(const char *ca, const char *paths)
{
__context *ctx = new __context;
if(!ctx)
return NULL;
ctx->error = secure::OK;
ctx->connect = GNUTLS_CLIENT;
ctx->xtype = GNUTLS_CRD_CERTIFICATE;
ctx->xcred = NULL;
ctx->dh = NULL;
gnutls_certificate_allocate_credentials(&ctx->xcred);
if(!ca && !paths)
return ctx;
if(!ca && paths)
ca = paths;
else if(!ca)
ca = oscerts();
gnutls_certificate_set_x509_trust_file (ctx->xcred, ca, GNUTLS_X509_FMT_PEM);
return ctx;
}
__context::~__context()
{
if(dh)
gnutls_dh_params_deinit(dh);
if(!xcred)
return;
switch(xtype) {
case GNUTLS_CRD_ANON:
gnutls_anon_free_client_credentials((gnutls_anon_client_credentials_t)xcred);
break;
case GNUTLS_CRD_CERTIFICATE:
gnutls_certificate_free_credentials(xcred);
break;
default:
break;
}
}
secure::~secure()
{
}
gnutls_session_t __context::session(__context *ctx)
{
SSL ssl = NULL;
if(ctx && ctx->xcred && ctx->err() == secure::OK) {
gnutls_init(&ssl, (gnutls_connection_end_t)(ctx->connect));
switch(ctx->connect) {
case GNUTLS_CLIENT:
gnutls_priority_set_direct(ssl, "PERFORMANCE", NULL);
break;
case GNUTLS_SERVER:
gnutls_priority_set(ssl, __context::priority_cache);
gnutls_certificate_server_set_request(ssl, GNUTLS_CERT_REQUEST);
gnutls_session_enable_compatibility_mode(ssl);
default:
break;
}
gnutls_credentials_set(ssl, ctx->xtype, ctx->xcred);
}
return ssl;
}
} // namespace ucommon
|
