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1.1 misho 1: /*
2: * Copyright (C) 2013-2015 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 "imv_session.h"
17:
18: #include <tncif_identity.h>
19:
20: #include <utils/debug.h>
21:
22: typedef struct private_imv_session_t private_imv_session_t;
23:
24: /**
25: * Private data of a imv_session_t object.
26: */
27: struct private_imv_session_t {
28:
29: /**
30: * Public imv_session_t interface.
31: */
32: imv_session_t public;
33:
34: /**
35: * Unique Session ID
36: */
37: int session_id;
38:
39: /**
40: * Unique Product ID
41: */
42: int pid;
43:
44: /**
45: * Unique Device ID
46: */
47: int did;
48:
49: /**
50: * TNCCS connection ID
51: */
52: TNC_ConnectionID conn_id;
53:
54: /**
55: * Session creation time
56: */
57: time_t created;
58:
59: /**
60: * List of Access Requestor identities
61: */
62: linked_list_t *ar_identities;
63:
64: /**
65: * OS information
66: */
67: imv_os_info_t *os_info;
68:
69: /**
70: * Device ID
71: */
72: chunk_t device_id;
73:
74: /**
75: * Is Device ID trusted?
76: */
77: bool trusted;
78:
79: /**
80: * Have the workitems been generated?
81: */
82: bool policy_started;
83:
84: /**
85: * List of worklist items
86: */
87: linked_list_t *workitems;
88:
89: /**
90: * Reference count
91: */
92: refcount_t ref;
93:
94: };
95:
96: METHOD(imv_session_t, set_session_id, void,
97: private_imv_session_t *this, int session_id, int pid, int did)
98: {
99: this->session_id = session_id;
100: this->pid = pid;
101: this->did = did;
102: }
103:
104: METHOD(imv_session_t, get_session_id, int,
105: private_imv_session_t *this, int *pid, int *did)
106: {
107: if (pid)
108: {
109: *pid = this->pid;
110: }
111: if (did)
112: {
113: *did = this->did;
114: }
115: return this->session_id;
116: }
117:
118: METHOD(imv_session_t, get_connection_id, TNC_ConnectionID,
119: private_imv_session_t *this)
120: {
121: return this->conn_id;
122: }
123:
124: METHOD(imv_session_t, set_creation_time, void,
125: private_imv_session_t *this, time_t created)
126: {
127: this->created = created;
128: }
129:
130: METHOD(imv_session_t, get_creation_time, time_t,
131: private_imv_session_t *this)
132: {
133: return this->created;
134: }
135:
136: METHOD(imv_session_t, create_ar_identities_enumerator, enumerator_t*,
137: private_imv_session_t *this)
138: {
139: return this->ar_identities->create_enumerator(this->ar_identities);
140: }
141:
142: METHOD(imv_session_t, get_os_info, imv_os_info_t*,
143: private_imv_session_t *this)
144: {
145: return this->os_info;
146: }
147:
148: METHOD(imv_session_t, set_device_id, void,
149: private_imv_session_t *this, chunk_t device_id)
150: {
151: if (device_id.len == 0)
152: {
153: device_id = chunk_from_str("unknown");
154: }
155: if (this->device_id.len)
156: {
157: if (chunk_equals(device_id, this->device_id))
158: {
159: return;
160: }
161: free(this->device_id.ptr);
162: }
163: this->device_id = chunk_clone(device_id);
164: }
165:
166: METHOD(imv_session_t, get_device_id, bool,
167: private_imv_session_t *this, chunk_t *device_id)
168: {
169: if (this->device_id.len == 0)
170: {
171: return FALSE;
172: }
173: if (device_id)
174: {
175: *device_id = this->device_id;
176: }
177: return TRUE;
178: }
179:
180: METHOD(imv_session_t, set_device_trust, void,
181: private_imv_session_t *this, bool trusted)
182: {
183: this->trusted = trusted;
184: }
185:
186: METHOD(imv_session_t, get_device_trust, bool,
187: private_imv_session_t *this)
188: {
189: return this->trusted;
190: }
191:
192: METHOD(imv_session_t, set_policy_started, void,
193: private_imv_session_t *this, bool start)
194: {
195: this->policy_started = start;
196: }
197:
198: METHOD(imv_session_t, get_policy_started, bool,
199: private_imv_session_t *this)
200: {
201: return this->policy_started;
202: }
203:
204: METHOD(imv_session_t, insert_workitem, void,
205: private_imv_session_t *this, imv_workitem_t *workitem)
206: {
207: this->workitems->insert_last(this->workitems, workitem);
208: }
209:
210: METHOD(imv_session_t, remove_workitem, void,
211: private_imv_session_t *this, enumerator_t *enumerator)
212: {
213: this->workitems->remove_at(this->workitems, enumerator);
214: }
215:
216: METHOD(imv_session_t, create_workitem_enumerator, enumerator_t*,
217: private_imv_session_t *this)
218: {
219: return this->workitems->create_enumerator(this->workitems);
220: }
221:
222: METHOD(imv_session_t, get_workitem_count, int,
223: private_imv_session_t *this, TNC_IMVID imv_id)
224: {
225: enumerator_t *enumerator;
226: imv_workitem_t *workitem;
227: int count = 0;
228:
229: enumerator = this->workitems->create_enumerator(this->workitems);
230: while (enumerator->enumerate(enumerator, &workitem))
231: {
232: if (workitem->get_imv_id(workitem) == imv_id)
233: {
234: count++;
235: }
236: }
237: enumerator->destroy(enumerator);
238:
239: return count;
240: }
241:
242: METHOD(imv_session_t, get_ref, imv_session_t*,
243: private_imv_session_t *this)
244: {
245: ref_get(&this->ref);
246:
247: return &this->public;
248: }
249:
250: METHOD(imv_session_t, destroy, void,
251: private_imv_session_t *this)
252: {
253: if (ref_put(&this->ref))
254: {
255: this->workitems->destroy_offset(this->workitems,
256: offsetof(imv_workitem_t, destroy));
257: this->os_info->destroy(this->os_info);
258: this->ar_identities->destroy_offset(this->ar_identities,
259: offsetof(tncif_identity_t, destroy));
260: free(this->device_id.ptr);
261: free(this);
262: }
263: }
264:
265: /**
266: * See header
267: */
268: imv_session_t *imv_session_create(TNC_ConnectionID conn_id,
269: linked_list_t *ar_identities)
270: {
271: private_imv_session_t *this;
272:
273: INIT(this,
274: .public = {
275: .set_session_id = _set_session_id,
276: .get_session_id = _get_session_id,
277: .get_connection_id = _get_connection_id,
278: .set_creation_time = _set_creation_time,
279: .get_creation_time = _get_creation_time,
280: .create_ar_identities_enumerator = _create_ar_identities_enumerator,
281: .get_os_info = _get_os_info,
282: .set_device_id = _set_device_id,
283: .get_device_id = _get_device_id,
284: .set_device_trust = _set_device_trust,
285: .get_device_trust = _get_device_trust,
286: .set_policy_started = _set_policy_started,
287: .get_policy_started = _get_policy_started,
288: .insert_workitem = _insert_workitem,
289: .remove_workitem = _remove_workitem,
290: .create_workitem_enumerator = _create_workitem_enumerator,
291: .get_workitem_count = _get_workitem_count,
292: .get_ref = _get_ref,
293: .destroy = _destroy,
294: },
295: .conn_id = conn_id,
296: .ar_identities = ar_identities,
297: .os_info = imv_os_info_create(),
298: .workitems = linked_list_create(),
299: .ref = 1,
300: );
301:
302: return &this->public;
303: }