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
|
/*
* Copyright (C) 2011 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
*
* 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include "imc_test_state.h"
#include <imc/imc_agent.h>
#include <pa_tnc/pa_tnc_msg.h>
#include <ita/ita_attr_command.h>
#include <tnc/pen/pen.h>
#include <debug.h>
/* IMC definitions */
static const char imc_name[] = "Test";
#define IMC_VENDOR_ID PEN_ITA
#define IMC_SUBTYPE 0x01
static imc_agent_t *imc_test;
/**
* see section 3.7.1 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
TNC_Version min_version,
TNC_Version max_version,
TNC_Version *actual_version)
{
if (imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
return TNC_RESULT_ALREADY_INITIALIZED;
}
if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1)
{
DBG1(DBG_IMC, "no common IF-IMC version");
return TNC_RESULT_NO_COMMON_VERSION;
}
imc_test = imc_agent_create(imc_name, IMC_VENDOR_ID, IMC_SUBTYPE,
imc_id, actual_version);
return TNC_RESULT_SUCCESS;
}
/**
* see section 3.7.2 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_ConnectionState new_state)
{
imc_state_t *state;
if (!imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
switch (new_state)
{
case TNC_CONNECTION_STATE_CREATE:
state = imc_test_state_create(connection_id);
return imc_test->create_state(imc_test, state);
case TNC_CONNECTION_STATE_DELETE:
return imc_test->delete_state(imc_test, connection_id);
default:
return imc_test->change_state(imc_test, connection_id, new_state);
}
}
static TNC_Result send_message(TNC_ConnectionID connection_id)
{
pa_tnc_msg_t *msg;
pa_tnc_attr_t *attr;
char *command;
TNC_Result result;
command = lib->settings->get_str(lib->settings, "imc-test.command", "none");
attr = ita_attr_command_create(command);
attr->set_noskip_flag(attr, TRUE);
msg = pa_tnc_msg_create();
msg->add_attribute(msg, attr);
msg->build(msg);
result = imc_test->send_message(imc_test, connection_id,
msg->get_encoding(msg));
msg->destroy(msg);
return result;
}
/**
* see section 3.7.3 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
TNC_ConnectionID connection_id)
{
if (!imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return send_message(connection_id);
}
/**
* see section 3.7.4 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_ReceiveMessage(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_MessageType msg_type)
{
pa_tnc_msg_t *pa_tnc_msg;
status_t status;
if (!imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
/* process received message */
DBG2(DBG_IMC, "IMC %u \"%s\" received message type 0x%08x for Connection ID %u",
imc_id, imc_name, msg_type, connection_id);
pa_tnc_msg = pa_tnc_msg_create_from_data(chunk_create(msg, msg_len));
status = pa_tnc_msg->process(pa_tnc_msg);
pa_tnc_msg->destroy(pa_tnc_msg);
if (status != SUCCESS)
{
return TNC_RESULT_FATAL;
}
/* always return the same response */
return send_message(connection_id);
}
/**
* see section 3.7.5 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_BatchEnding(TNC_IMCID imc_id,
TNC_ConnectionID connection_id)
{
if (!imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return TNC_RESULT_SUCCESS;
}
/**
* see section 3.7.6 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_Terminate(TNC_IMCID imc_id)
{
if (!imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
imc_test->destroy(imc_test);
imc_test = NULL;
return TNC_RESULT_SUCCESS;
}
/**
* see section 4.2.8.1 of TCG TNC IF-IMC Specification 1.2
*/
TNC_Result TNC_IMC_ProvideBindFunction(TNC_IMCID imc_id,
TNC_TNCC_BindFunctionPointer bind_function)
{
if (!imc_test)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return imc_test->bind_functions(imc_test, bind_function);
}
|
