Added add_segment() method to IETF attributes
[strongswan.git] / src / libimcv / plugins / imc_os / imc_os_state.c
1 /*
2 * Copyright (C) 2012-2014 Andreas Steffen
3 * HSR Hochschule fuer Technik Rapperswil
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * for more details.
14 */
15
16 #include "imc_os_state.h"
17
18 #include <tncif_names.h>
19
20 #include <utils/debug.h>
21
22 typedef struct private_imc_os_state_t private_imc_os_state_t;
23
24 /**
25 * Private data of an imc_os_state_t object.
26 */
27 struct private_imc_os_state_t {
28
29 /**
30 * Public members of imc_os_state_t
31 */
32 imc_os_state_t public;
33
34 /**
35 * TNCCS connection ID
36 */
37 TNC_ConnectionID connection_id;
38
39 /**
40 * TNCCS connection state
41 */
42 TNC_ConnectionState state;
43
44 /**
45 * Assessment/Evaluation Result
46 */
47 TNC_IMV_Evaluation_Result result;
48
49 /**
50 * Does the TNCCS connection support long message types?
51 */
52 bool has_long;
53
54 /**
55 * Does the TNCCS connection support exclusive delivery?
56 */
57 bool has_excl;
58
59 /**
60 * Maximum PA-TNC message size for this TNCCS connection
61 */
62 u_int32_t max_msg_len;
63
64 /**
65 * PA-TNC attribute segmentation contracts associated with TNCCS connection
66 */
67 seg_contract_manager_t *contracts;
68 };
69
70 METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
71 private_imc_os_state_t *this)
72 {
73 return this->connection_id;
74 }
75
76 METHOD(imc_state_t, has_long, bool,
77 private_imc_os_state_t *this)
78 {
79 return this->has_long;
80 }
81
82 METHOD(imc_state_t, has_excl, bool,
83 private_imc_os_state_t *this)
84 {
85 return this->has_excl;
86 }
87
88 METHOD(imc_state_t, set_flags, void,
89 private_imc_os_state_t *this, bool has_long, bool has_excl)
90 {
91 this->has_long = has_long;
92 this->has_excl = has_excl;
93 }
94
95 METHOD(imc_state_t, set_max_msg_len, void,
96 private_imc_os_state_t *this, u_int32_t max_msg_len)
97 {
98 this->max_msg_len = max_msg_len;
99 }
100
101 METHOD(imc_state_t, get_max_msg_len, u_int32_t,
102 private_imc_os_state_t *this)
103 {
104 return this->max_msg_len;
105 }
106
107 METHOD(imc_state_t, get_contracts, seg_contract_manager_t*,
108 private_imc_os_state_t *this)
109 {
110 return this->contracts;
111 }
112
113 METHOD(imc_state_t, change_state, void,
114 private_imc_os_state_t *this, TNC_ConnectionState new_state)
115 {
116 this->state = new_state;
117 }
118
119 METHOD(imc_state_t, set_result, void,
120 private_imc_os_state_t *this, TNC_IMCID id,
121 TNC_IMV_Evaluation_Result result)
122 {
123 this->result = result;
124 }
125
126 METHOD(imc_state_t, get_result, bool,
127 private_imc_os_state_t *this, TNC_IMCID id,
128 TNC_IMV_Evaluation_Result *result)
129 {
130 if (result)
131 {
132 *result = this->result;
133 }
134 return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
135 }
136
137 METHOD(imc_state_t, destroy, void,
138 private_imc_os_state_t *this)
139 {
140 this->contracts->destroy(this->contracts);
141 free(this);
142 }
143
144 /**
145 * Described in header.
146 */
147 imc_state_t *imc_os_state_create(TNC_ConnectionID connection_id)
148 {
149 private_imc_os_state_t *this;
150
151 INIT(this,
152 .public = {
153 .interface = {
154 .get_connection_id = _get_connection_id,
155 .has_long = _has_long,
156 .has_excl = _has_excl,
157 .set_flags = _set_flags,
158 .set_max_msg_len = _set_max_msg_len,
159 .get_max_msg_len = _get_max_msg_len,
160 .get_contracts = _get_contracts,
161 .change_state = _change_state,
162 .set_result = _set_result,
163 .get_result = _get_result,
164 .destroy = _destroy,
165 },
166 },
167 .state = TNC_CONNECTION_STATE_CREATE,
168 .result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
169 .connection_id = connection_id,
170 .contracts = seg_contract_manager_create(),
171 );
172
173 return &this->public.interface;
174 }
175
176