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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*******************************************************************************
* Copyright 2017-2018, Fraunhofer SIT sponsored by Infineon Technologies AG
* All rights reserved.
* Copyright 2019, Intel Corporation
* Copyright (c) 2019, Wind River Systems.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <inttypes.h>
#include "tctildr.h"
#include "tss2_tcti_mssim.h"
#ifdef _WIN32
#include "tss2_tcti_tbs.h"
#else /* _WIN32 */
#include "tss2_tcti_device.h"
#endif
#define LOGMODULE tcti
#include "util/log.h"
#define ARRAY_SIZE(X) (sizeof(X)/sizeof(X[0]))
#define NAME_ARRAY_SIZE 3
struct {
const char *names [NAME_ARRAY_SIZE];
TSS2_TCTI_INIT_FUNC init;
char *conf;
char *description;
} tctis [] = {
#if defined(_WIN32) && !defined(__MINGW32__)
{
.names = {
"libtss2-tcti-tbs.so.0",
"libtss2-tcti-tbs.so",
"tbs",
},
.init = Tss2_Tcti_Tbs_Init,
.description = "Access to TBS",
},
#elif defined (__VXWORKS__)
{
.names = {
"libtss2-tcti-device.so.0",
"libtss2-tcti-device.so",
"device",
},
.init = Tss2_Tcti_Device_Init,
.conf = "/tpm0",
.description = "Access to /tpm0",
},
#else /* _WIN32 */
#ifdef TCTI_DEVICE
{
.names = {
"libtss2-tcti-device.so.0",
"libtss2-tcti-device.so",
"device",
},
.init = Tss2_Tcti_Device_Init,
.conf = "/dev/tpmrm0",
.description = "Access to /dev/tpmrm0",
},
{
.names = {
"libtss2-tcti-device.so.0",
"libtss2-tcti-device.so",
"device",
},
.init = Tss2_Tcti_Device_Init,
.conf = "/dev/tpm0",
.description = "Access to /dev/tpm0",
},
#endif /* TCTI_DEVICE */
#endif /* _WIN32 */
#ifdef TCTI_MSSIM
{
.names = {
"libtss2-tcti-mssim.so.0",
"libtss2-tcti-mssim.so",
"mssim",
},
.init = Tss2_Tcti_Mssim_Init,
.description = "Access to simulator using MS protocol, default conf",
},
#endif /* TCTI_MSSIM */
};
TSS2_RC
tctildr_get_default(TSS2_TCTI_CONTEXT ** tcticontext, void **dlhandle)
{
TSS2_RC rc;
(void)dlhandle;
if (tcticontext == NULL) {
LOG_ERROR("tcticontext must not be NULL");
return TSS2_TCTI_RC_BAD_REFERENCE;
}
*tcticontext = NULL;
for (size_t i = 0; i < ARRAY_SIZE(tctis); i++) {
LOG_DEBUG("Attempting to connect using standard TCTI: %s",
tctis[i].description);
rc = tcti_from_init (tctis[i].init,
tctis[i].conf,
tcticontext);
if (rc == TSS2_RC_SUCCESS)
return TSS2_RC_SUCCESS;
LOG_DEBUG("Failed to load standard TCTI number %zu", i);
}
LOG_ERROR("No standard TCTI could be loaded");
return TSS2_TCTI_RC_IO_ERROR;
}
TSS2_RC
tctildr_get_tcti (const char *name,
const char* conf,
TSS2_TCTI_CONTEXT **tcti,
void **data)
{
TSS2_RC rc;
if (tcti == NULL) {
LOG_ERROR("tcticontext must not be NULL");
return TSS2_TCTI_RC_BAD_REFERENCE;
}
*tcti = NULL;
if (name == NULL) {
return tctildr_get_default (tcti, data);
}
for (size_t i = 0; i < ARRAY_SIZE(tctis); ++i) {
for (size_t j = 0; j < NAME_ARRAY_SIZE; ++j) {
if (strcmp (name, tctis[i].names[j]))
continue;
LOG_DEBUG("initializing TCTI with name \"%s\"",
tctis[i].names[j]);
rc = tcti_from_init (tctis[i].init, conf, tcti);
if (rc == TSS2_RC_SUCCESS)
return TSS2_RC_SUCCESS;
}
}
LOG_ERROR("Unable to initialize TCTI with name: \"%s\"", name);
return TSS2_TCTI_RC_IO_ERROR;
}
void
tctildr_finalize_data(void **data)
{
(void)data;
return;
}
TSS2_RC
tctildr_get_info (const char *name,
const TSS2_TCTI_INFO **info,
void **data)
{
(void)name;
(void)info;
(void)data;
return TSS2_TCTI_RC_NOT_SUPPORTED;
}
|
