store the long and excl flags in the connection state
[strongswan.git] / src / libpts / plugins / imc_attestation / imc_attestation_state.c
1 /*
2 * Copyright (C) 2011 Sansar Choinyambuu
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_attestation_state.h"
17
18 #include <utils/linked_list.h>
19 #include <debug.h>
20
21 typedef struct private_imc_attestation_state_t private_imc_attestation_state_t;
22
23 /**
24 * Private data of an imc_attestation_state_t object.
25 */
26 struct private_imc_attestation_state_t {
27
28 /**
29 * Public members of imc_attestation_state_t
30 */
31 imc_attestation_state_t public;
32
33 /**
34 * TNCCS connection ID
35 */
36 TNC_ConnectionID connection_id;
37
38 /**
39 * TNCCS connection state
40 */
41 TNC_ConnectionState state;
42
43 /**
44 * Does the TNCCS connection support long message types?
45 */
46 bool has_long;
47
48 /**
49 * Does the TNCCS connection support exclusive delivery?
50 */
51 bool has_excl;
52
53 /**
54 * PTS object
55 */
56 pts_t *pts;
57
58 /**
59 * PTS Component Evidence list
60 */
61 linked_list_t *list;
62
63 };
64
65 METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
66 private_imc_attestation_state_t *this)
67 {
68 return this->connection_id;
69 }
70
71 METHOD(imc_state_t, has_long, bool,
72 private_imc_attestation_state_t *this)
73 {
74 return this->has_long;
75 }
76
77 METHOD(imc_state_t, has_excl, bool,
78 private_imc_attestation_state_t *this)
79 {
80 return this->has_excl;
81 }
82
83 METHOD(imc_state_t, set_flags, void,
84 private_imc_attestation_state_t *this, bool has_long, bool has_excl)
85 {
86 this->has_long = has_long;
87 this->has_excl = has_excl;
88 }
89
90 METHOD(imc_state_t, change_state, void,
91 private_imc_attestation_state_t *this, TNC_ConnectionState new_state)
92 {
93 this->state = new_state;
94 }
95
96
97 METHOD(imc_state_t, destroy, void,
98 private_imc_attestation_state_t *this)
99 {
100 this->pts->destroy(this->pts);
101 this->list->destroy_offset(this->list, offsetof(pts_comp_evidence_t, destroy));
102 free(this);
103 }
104
105 METHOD(imc_attestation_state_t, get_pts, pts_t*,
106 private_imc_attestation_state_t *this)
107 {
108 return this->pts;
109 }
110
111 METHOD(imc_attestation_state_t, add_evidence, void,
112 private_imc_attestation_state_t *this, pts_comp_evidence_t *evidence)
113 {
114 this->list->insert_last(this->list, evidence);
115 }
116
117 METHOD(imc_attestation_state_t, next_evidence, bool,
118 private_imc_attestation_state_t *this, pts_comp_evidence_t **evid)
119 {
120 return this->list->remove_first(this->list, (void**)evid) == SUCCESS;
121 }
122
123 /**
124 * Described in header.
125 */
126 imc_state_t *imc_attestation_state_create(TNC_ConnectionID connection_id)
127 {
128 private_imc_attestation_state_t *this;
129 char *platform_info;
130
131 INIT(this,
132 .public = {
133 .interface = {
134 .get_connection_id = _get_connection_id,
135 .has_long = _has_long,
136 .has_excl = _has_excl,
137 .set_flags = _set_flags,
138 .change_state = _change_state,
139 .destroy = _destroy,
140 },
141 .get_pts = _get_pts,
142 .add_evidence = _add_evidence,
143 .next_evidence = _next_evidence,
144 },
145 .connection_id = connection_id,
146 .state = TNC_CONNECTION_STATE_CREATE,
147 .pts = pts_create(TRUE),
148 .list = linked_list_create(),
149 );
150
151 platform_info = lib->settings->get_str(lib->settings,
152 "libimcv.plugins.imc-attestation.platform_info", NULL);
153 if (platform_info)
154 {
155 this->pts->set_platform_info(this->pts, platform_info);
156 }
157
158 return &this->public.interface;
159 }
160
161