created libpts
[strongswan.git] / src / libpts / tcg / tcg_pts_attr_simple_comp_evid.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 "tcg_pts_attr_simple_comp_evid.h"
17
18 #include <pa_tnc/pa_tnc_msg.h>
19 #include <bio/bio_writer.h>
20 #include <bio/bio_reader.h>
21 #include <debug.h>
22
23 typedef struct private_tcg_pts_attr_simple_comp_evid_t private_tcg_pts_attr_simple_comp_evid_t;
24
25 /**
26 * Simple Component Evidence
27 * see section 3.15.1 of PTS Protocol: Binding to TNC IF-M Specification
28 *
29 * 1 2 3
30 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
31 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
32 * | Flags | Sub-Component Depth |
33 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
34 * | Specific Functional Component |
35 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
36 * | Specific Functional Component |
37 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
38 * | Measure. Type | Extended into PCR |
39 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
40 * | Hash Algorithm | PCR Transform | Reserved |
41 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
42 * | Measurement Date/Time |
43 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
44 * | Measurement Date/Time |
45 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
46 * | Measurement Date/Time |
47 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
48 * | Measurement Date/Time |
49 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
50 * | Measurement Date/Time |
51 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
52 * | Optional Policy URI Length | Opt. Verification Policy URI ~
53 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
54 * ~ Optional Verification Policy URI ~
55 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
56 * | Optional PCR Length | Optional PCR Before Value ~
57 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
58 * ~ Optional PCR Before Value (Variable Length) ~
59 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
60 * ~ Optional PCR After Value (Variable Length) ~
61 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
62 * ~ Component Measurement (Variable Length) ~
63 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
64 */
65
66 /**
67 * Specific Functional Component -> Component Functional Name Structure
68 * see section 5.1 of PTS Protocol: Binding to TNC IF-M Specification
69 *
70 * 1 2 3
71 * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
72 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
73 * | Component Functional Name Vendor ID |Fam| Qualifier |
74 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
75 * | Component Functional Name |
76 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
77 *
78 */
79
80 /**
81 * Qualifier for Functional Component
82 * see section 5.2 of PTS Protocol: Binding to TNC IF-M Specification
83 *
84 *
85 * 0 1 2 3 4 5
86 * +-+-+-+-+-+-+
87 * |K|S| Type |
88 * +-+-+-+-+-+-+
89 */
90
91
92
93 #define PTS_SIMPLE_COMP_EVID_SIZE 40
94 #define PTS_SIMPLE_COMP_EVID_MEASUREMENT_TIME_SIZE 20
95 #define PTS_SIMPLE_COMP_EVID_RESERVED 0x00
96 #define PTS_REQ_FUNCT_COMP_FAM_BIN_ENUM 0x00
97
98 /**
99 * Private data of an tcg_pts_attr_simple_comp_evid_t object.
100 */
101 struct private_tcg_pts_attr_simple_comp_evid_t {
102
103 /**
104 * Public members of tcg_pts_attr_simple_comp_evid_t
105 */
106 tcg_pts_attr_simple_comp_evid_t public;
107
108 /**
109 * Attribute vendor ID
110 */
111 pen_t vendor_id;
112
113 /**
114 * Attribute type
115 */
116 u_int32_t type;
117
118 /**
119 * Attribute value
120 */
121 chunk_t value;
122
123 /**
124 * Noskip flag
125 */
126 bool noskip_flag;
127
128 /**
129 * Set of flags for Simple Component Evidence
130 */
131 pts_attr_simple_comp_evid_flag_t flags;
132
133 /**
134 * Sub-component Depth
135 */
136 u_int32_t depth;
137
138 /**
139 * Component Functional Name Vendor ID
140 */
141 u_int32_t comp_vendor_id;
142
143 /**
144 * Functional Name Encoding Family
145 */
146 u_int8_t family;
147
148 /**
149 * Functional Name Category Qualifier
150 */
151 pts_qualifier_t qualifier;
152
153 /**
154 * Component Functional Name
155 */
156 pts_funct_comp_name_t name;
157
158 /**
159 * Measurement type
160 */
161 u_int8_t measurement_type;
162
163 /**
164 * Which PCR the functional component is extended into
165 */
166 u_int32_t extended_pcr;
167
168 /**
169 * Hash Algorithm
170 */
171 pts_meas_algorithms_t hash_algorithm;
172
173 /**
174 * Transformation type for PCR
175 */
176 pts_pcr_transform_t transformation;
177
178 /**
179 * Measurement time
180 */
181 chunk_t measurement_time;
182
183 /**
184 * Optional Policy URI
185 */
186 chunk_t policy_uri;
187
188 /**
189 * Optional PCR before value
190 */
191 chunk_t pcr_before;
192
193 /**
194 * Optional PCR after value
195 */
196 chunk_t pcr_after;
197
198 /**
199 * Component Measurement
200 */
201 chunk_t measurement;
202
203 };
204
205 METHOD(pa_tnc_attr_t, get_vendor_id, pen_t,
206 private_tcg_pts_attr_simple_comp_evid_t *this)
207 {
208 return this->vendor_id;
209 }
210
211 METHOD(pa_tnc_attr_t, get_type, u_int32_t,
212 private_tcg_pts_attr_simple_comp_evid_t *this)
213 {
214 return this->type;
215 }
216
217 METHOD(pa_tnc_attr_t, get_value, chunk_t,
218 private_tcg_pts_attr_simple_comp_evid_t *this)
219 {
220 return this->value;
221 }
222
223 METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
224 private_tcg_pts_attr_simple_comp_evid_t *this)
225 {
226 return this->noskip_flag;
227 }
228
229 METHOD(pa_tnc_attr_t, set_noskip_flag,void,
230 private_tcg_pts_attr_simple_comp_evid_t *this, bool noskip)
231 {
232 this->noskip_flag = noskip;
233 }
234
235 METHOD(pa_tnc_attr_t, build, void,
236 private_tcg_pts_attr_simple_comp_evid_t *this)
237 {
238 bio_writer_t *writer;
239 u_int8_t flags = 0;
240 u_int8_t qualifier = 0;
241
242 writer = bio_writer_create(PTS_SIMPLE_COMP_EVID_SIZE);
243
244 /* Determine the flags to set*/
245 if (this->flags & PTS_SIMPLE_COMP_EVID_FLAG_PCR)
246 {
247 flags += 128;
248 }
249 if (this->flags & PTS_SIMPLE_COMP_EVID_FLAG_NO_VER)
250 {
251 flags += 32;
252 }
253 else if (this->flags & PTS_SIMPLE_COMP_EVID_FLAG_VER_FAIL)
254 {
255 flags += 64;
256 }
257 else if (this->flags & PTS_SIMPLE_COMP_EVID_FLAG_VER_PASS)
258 {
259 flags += 96;
260 }
261
262 writer->write_uint8(writer, flags);
263
264 writer->write_uint24 (writer, this->depth);
265 writer->write_uint24 (writer, this->comp_vendor_id);
266
267 if (this->family != PTS_REQ_FUNCT_COMP_FAM_BIN_ENUM)
268 {
269 DBG1(DBG_TNC, "Functional Name Encoding Family is not set to 00");
270 }
271
272 qualifier += this->qualifier.type;
273 if (this->qualifier.kernel)
274 {
275 qualifier += 16;
276 }
277 if (this->qualifier.sub_component)
278 {
279 qualifier += 32;
280 }
281
282 /* Unknown or Wildcard should not be used for Qualification*/
283 if (!qualifier || qualifier == 63)
284 {
285 DBG1(DBG_TNC, "Unknown or Wildcard should not be used for"
286 " Functional Name Qualifier");
287 }
288
289 writer->write_uint8 (writer, qualifier);
290 writer->write_uint32(writer, this->name);
291
292 writer->write_uint8 (writer, (this->measurement_type << 7));
293 writer->write_uint24(writer, this->extended_pcr);
294 writer->write_uint16(writer, this->hash_algorithm);
295 writer->write_uint8 (writer, this->transformation);
296 writer->write_data (writer, this->measurement_time);
297
298 /* Optional fields */
299 if (this->policy_uri.ptr && this->policy_uri.len > 0)
300 {
301 writer->write_uint16(writer, this->policy_uri.len);
302 writer->write_data (writer, this->policy_uri);
303 }
304 if (this->pcr_before.ptr && this->pcr_after.ptr &&
305 this->pcr_before.len == this->pcr_after.len &&
306 this->pcr_before.len > 0 && this->pcr_after.len > 0)
307 {
308 writer->write_uint16(writer, this->pcr_before.len);
309 writer->write_data (writer, this->pcr_before);
310 writer->write_data (writer, this->pcr_after);
311 }
312
313 writer->write_data (writer, this->measurement);
314
315 this->value = chunk_clone(writer->get_buf(writer));
316 writer->destroy(writer);
317 }
318
319 METHOD(pa_tnc_attr_t, process, status_t,
320 private_tcg_pts_attr_simple_comp_evid_t *this, u_int32_t *offset)
321 {
322 bio_reader_t *reader;
323 u_int8_t flags;
324 u_int8_t fam_and_qualifier;
325 u_int8_t measurement_type;
326 u_int16_t algorithm;
327 u_int8_t transformation;
328 u_int32_t measurement_len;
329
330 if (this->value.len < PTS_SIMPLE_COMP_EVID_SIZE)
331 {
332 DBG1(DBG_TNC, "insufficient data for Simple Component Evidence");
333 *offset = 0;
334 return FAILED;
335 }
336 reader = bio_reader_create(this->value);
337
338 reader->read_uint8(reader, &flags);
339
340 /* Determine the flags to set*/
341 if ((flags >> 7) & 1)
342 {
343 this->flags |= PTS_SIMPLE_COMP_EVID_FLAG_PCR;
344 }
345 if (!((flags >> 6) & 1) && !((flags >> 5) & 1))
346 {
347 this->flags |= PTS_SIMPLE_COMP_EVID_FLAG_NO_VALID;
348 }
349 else if (!((flags >> 6) & 1) && ((flags >> 5) & 1))
350 {
351 this->flags |= PTS_SIMPLE_COMP_EVID_FLAG_NO_VER;
352 }
353 else if (((flags >> 6) & 1) && !((flags >> 5) & 1))
354 {
355 this->flags |= PTS_SIMPLE_COMP_EVID_FLAG_VER_FAIL;
356 }
357 else if (((flags >> 6) & 1) && ((flags >> 5) & 1))
358 {
359 this->flags |= PTS_SIMPLE_COMP_EVID_FLAG_VER_PASS;
360 }
361
362 reader->read_uint24(reader, &this->depth);
363 reader->read_uint24(reader, &this->comp_vendor_id);
364 reader->read_uint8(reader, &fam_and_qualifier);
365
366 if (((fam_and_qualifier >> 6) & 1) )
367 {
368 this->family += 1;
369 }
370 if (((fam_and_qualifier >> 7) & 1) )
371 {
372 this->family += 2;
373 }
374
375 /* TODO: Generate an IF-M error attribute indicating */
376 /* TCG_PTS_INVALID_NAME_FAM */
377 //if (&this->comp_vendor_id==PEN_TCG && this->family != PTS_REQ_FUNCT_COMP_FAM_BIN_ENUM)
378 //{
379 // DBG1(DBG_TNC, "Functional Name Encoding Family is not set to 00");
380 //}
381
382 if (((fam_and_qualifier >> 5) & 1) )
383 {
384 this->qualifier.kernel = true;
385 }
386 if (((fam_and_qualifier >> 4) & 1) )
387 {
388 this->qualifier.sub_component = true;
389 }
390 this->qualifier.type = ( fam_and_qualifier & 0xF );
391 /* TODO: Check the type is defined in pts_attr_req_funct_comp_type_t */
392
393 /* Unknown or Wildcard should not be used for Qualification*/
394 if (!(fam_and_qualifier & 0x3F) || (fam_and_qualifier & 0x3F) == 0x3F)
395 {
396 DBG1(DBG_TNC, "Unknown or Wildcard should not be used for"
397 " Functional Name Qualifier");
398 }
399
400 reader->read_uint32(reader, &this->name);
401 /* TODO: Check the name is defined in pts_funct_comp_name_t */
402
403 reader->read_uint8(reader, &measurement_type);
404 this->measurement_type = (measurement_type >> 7 ) & 1;
405
406 reader->read_uint24(reader, &this->extended_pcr);
407 reader->read_uint16(reader, &algorithm);
408 this->hash_algorithm = algorithm;
409
410 reader->read_uint8(reader, &transformation);
411 this->transformation = transformation;
412 /* TODO: Check the transformation is defined in pts_pcr_transform_t */
413
414 reader->read_data(reader, PTS_SIMPLE_COMP_EVID_MEASUREMENT_TIME_SIZE,
415 &this->measurement_time);
416 this->measurement_time = chunk_clone(this->measurement_time);
417
418 /* Optional Policy URI field is included */
419 if (this->flags & PTS_SIMPLE_COMP_EVID_FLAG_VER_FAIL ||
420 this->flags & PTS_SIMPLE_COMP_EVID_FLAG_VER_PASS)
421 {
422 u_int16_t policy_uri_len;
423 reader->read_uint16(reader, &policy_uri_len);
424 reader->read_data(reader, policy_uri_len, &this->policy_uri);
425 this->policy_uri = chunk_clone(this->policy_uri);
426 }
427
428 /* Optional PCR value fields are included */
429 if (this->flags & PTS_SIMPLE_COMP_EVID_FLAG_PCR)
430 {
431 u_int16_t pcr_value_len;
432 reader->read_uint16(reader, &pcr_value_len);
433 reader->read_data(reader, pcr_value_len, &this->pcr_before);
434 this->pcr_before = chunk_clone(this->pcr_before);
435 reader->read_data(reader, pcr_value_len, &this->pcr_after);
436 this->pcr_after = chunk_clone(this->pcr_after);
437 }
438
439 measurement_len = reader->remaining(reader);
440 reader->read_data(reader, measurement_len, &this->measurement);
441 this->measurement = chunk_clone(this->measurement);
442
443 reader->destroy(reader);
444 return SUCCESS;
445 }
446
447 METHOD(pa_tnc_attr_t, destroy, void,
448 private_tcg_pts_attr_simple_comp_evid_t *this)
449 {
450 free(this->value.ptr);
451 free(this->measurement_time.ptr);
452 free(this->policy_uri.ptr);
453 free(this->pcr_before.ptr);
454 free(this->pcr_after.ptr);
455 free(this->measurement.ptr);
456 free(this);
457 }
458
459 METHOD(tcg_pts_attr_simple_comp_evid_t, get_flags, pts_attr_simple_comp_evid_flag_t,
460 private_tcg_pts_attr_simple_comp_evid_t *this)
461 {
462 return this->flags;
463 }
464
465 METHOD(tcg_pts_attr_simple_comp_evid_t, set_flags, void,
466 private_tcg_pts_attr_simple_comp_evid_t *this, pts_attr_simple_comp_evid_flag_t flags)
467 {
468 this->flags = flags;
469 }
470
471 METHOD(tcg_pts_attr_simple_comp_evid_t, get_sub_component_depth, u_int32_t,
472 private_tcg_pts_attr_simple_comp_evid_t *this)
473 {
474 return this->depth;
475 }
476
477 METHOD(tcg_pts_attr_simple_comp_evid_t, get_spec_comp_funct_name_vendor_id, u_int32_t,
478 private_tcg_pts_attr_simple_comp_evid_t *this)
479 {
480 return this->comp_vendor_id;
481 }
482
483 METHOD(tcg_pts_attr_simple_comp_evid_t, get_family, u_int8_t,
484 private_tcg_pts_attr_simple_comp_evid_t *this)
485 {
486 return this->family;
487 }
488
489 METHOD(tcg_pts_attr_simple_comp_evid_t, get_qualifier, pts_qualifier_t,
490 private_tcg_pts_attr_simple_comp_evid_t *this)
491 {
492 return this->qualifier;
493 }
494
495 METHOD(tcg_pts_attr_simple_comp_evid_t, set_qualifier, void,
496 private_tcg_pts_attr_simple_comp_evid_t *this,
497 pts_qualifier_t qualifier)
498 {
499 this->qualifier = qualifier;
500 }
501
502 METHOD(tcg_pts_attr_simple_comp_evid_t, get_comp_funct_name, pts_funct_comp_name_t,
503 private_tcg_pts_attr_simple_comp_evid_t *this)
504 {
505 return this->name;
506 }
507
508 METHOD(tcg_pts_attr_simple_comp_evid_t, set_comp_funct_name, void,
509 private_tcg_pts_attr_simple_comp_evid_t *this, pts_funct_comp_name_t name)
510 {
511 this->name = name;
512 }
513
514 METHOD(tcg_pts_attr_simple_comp_evid_t, get_measurement_type, u_int8_t,
515 private_tcg_pts_attr_simple_comp_evid_t *this)
516 {
517 return this->measurement_type;
518 }
519
520 METHOD(tcg_pts_attr_simple_comp_evid_t, get_extended_pcr, u_int32_t,
521 private_tcg_pts_attr_simple_comp_evid_t *this)
522 {
523 return this->extended_pcr;
524 }
525
526 METHOD(tcg_pts_attr_simple_comp_evid_t, set_extended_pcr, void,
527 private_tcg_pts_attr_simple_comp_evid_t *this, u_int32_t extended_pcr)
528 {
529 this->extended_pcr = extended_pcr;
530 }
531
532 METHOD(tcg_pts_attr_simple_comp_evid_t, get_hash_algorithm, pts_meas_algorithms_t,
533 private_tcg_pts_attr_simple_comp_evid_t *this)
534 {
535 return this->hash_algorithm;
536 }
537
538 METHOD(tcg_pts_attr_simple_comp_evid_t, set_hash_algorithm, void,
539 private_tcg_pts_attr_simple_comp_evid_t *this,
540 pts_meas_algorithms_t hash_algorithm)
541 {
542 this->hash_algorithm = hash_algorithm;
543 }
544
545 METHOD(tcg_pts_attr_simple_comp_evid_t, get_pcr_trans, pts_pcr_transform_t,
546 private_tcg_pts_attr_simple_comp_evid_t *this)
547 {
548 return this->transformation;
549 }
550
551 METHOD(tcg_pts_attr_simple_comp_evid_t, set_pcr_trans, void,
552 private_tcg_pts_attr_simple_comp_evid_t *this, pts_pcr_transform_t transformation)
553 {
554 this->transformation = transformation;
555 }
556
557 METHOD(tcg_pts_attr_simple_comp_evid_t, get_measurement_time, chunk_t,
558 private_tcg_pts_attr_simple_comp_evid_t *this)
559 {
560 return this->measurement_time;
561 }
562
563 METHOD(tcg_pts_attr_simple_comp_evid_t, set_measurement_time, void,
564 private_tcg_pts_attr_simple_comp_evid_t *this, chunk_t measurement_time)
565 {
566 this->measurement_time = measurement_time;
567 }
568
569 METHOD(tcg_pts_attr_simple_comp_evid_t, get_policy_uri, chunk_t,
570 private_tcg_pts_attr_simple_comp_evid_t *this)
571 {
572 return this->policy_uri;
573 }
574
575 METHOD(tcg_pts_attr_simple_comp_evid_t, set_policy_uri, void,
576 private_tcg_pts_attr_simple_comp_evid_t *this, chunk_t policy_uri)
577 {
578 this->policy_uri = policy_uri;
579 }
580
581 METHOD(tcg_pts_attr_simple_comp_evid_t, get_pcr_before_value, chunk_t,
582 private_tcg_pts_attr_simple_comp_evid_t *this)
583 {
584 return this->pcr_before;
585 }
586
587 METHOD(tcg_pts_attr_simple_comp_evid_t, set_pcr_before_value, void,
588 private_tcg_pts_attr_simple_comp_evid_t *this, chunk_t pcr_before)
589 {
590 this->pcr_before = pcr_before;
591 }
592
593 METHOD(tcg_pts_attr_simple_comp_evid_t, get_pcr_after_value, chunk_t,
594 private_tcg_pts_attr_simple_comp_evid_t *this)
595 {
596 return this->pcr_after;
597 }
598
599 METHOD(tcg_pts_attr_simple_comp_evid_t, set_pcr_after_value, void,
600 private_tcg_pts_attr_simple_comp_evid_t *this, chunk_t pcr_after)
601 {
602 this->pcr_after = pcr_after;
603 }
604
605 METHOD(tcg_pts_attr_simple_comp_evid_t, get_pcr_len, u_int16_t,
606 private_tcg_pts_attr_simple_comp_evid_t *this)
607 {
608 if (this->pcr_before.ptr && this->pcr_after.ptr &&
609 this->pcr_before.len == this->pcr_after.len &&
610 this->pcr_before.len > 0 && this->pcr_after.len > 0)
611 {
612 return this->pcr_before.len;
613 }
614 return 0;
615 }
616
617 METHOD(tcg_pts_attr_simple_comp_evid_t, get_comp_measurement, chunk_t,
618 private_tcg_pts_attr_simple_comp_evid_t *this)
619 {
620 return this->measurement;
621 }
622
623 METHOD(tcg_pts_attr_simple_comp_evid_t, set_comp_measurement, void,
624 private_tcg_pts_attr_simple_comp_evid_t *this, chunk_t measurement)
625 {
626 this->measurement = measurement;
627 }
628
629 /**
630 * Described in header.
631 */
632 pa_tnc_attr_t *tcg_pts_attr_simple_comp_evid_create(
633 pts_attr_simple_comp_evid_flag_t flags,
634 u_int32_t depth, u_int32_t vendor_id,
635 pts_qualifier_t qualifier,
636 pts_funct_comp_name_t name,
637 u_int32_t extended_pcr,
638 pts_meas_algorithms_t hash_algorithm,
639 pts_pcr_transform_t transformation,
640 chunk_t measurement_time,
641 chunk_t policy_uri,
642 chunk_t pcr_before, chunk_t pcr_after,
643 chunk_t measurement)
644 {
645 private_tcg_pts_attr_simple_comp_evid_t *this;
646
647 INIT(this,
648 .public = {
649 .pa_tnc_attribute = {
650 .get_vendor_id = _get_vendor_id,
651 .get_type = _get_type,
652 .get_value = _get_value,
653 .get_noskip_flag = _get_noskip_flag,
654 .set_noskip_flag = _set_noskip_flag,
655 .build = _build,
656 .process = _process,
657 .destroy = _destroy,
658 },
659 .get_flags= _get_flags,
660 .set_flags= _set_flags,
661 .get_sub_component_depth = _get_sub_component_depth,
662 .get_spec_comp_funct_name_vendor_id = _get_spec_comp_funct_name_vendor_id,
663 .get_family = _get_family,
664 .get_qualifier = _get_qualifier,
665 .set_qualifier = _set_qualifier,
666 .get_comp_funct_name = _get_comp_funct_name,
667 .set_comp_funct_name = _set_comp_funct_name,
668 .get_measurement_type = _get_measurement_type,
669 .get_extended_pcr = _get_extended_pcr,
670 .set_extended_pcr = _set_extended_pcr,
671 .get_hash_algorithm = _get_hash_algorithm,
672 .set_hash_algorithm = _set_hash_algorithm,
673 .get_pcr_trans = _get_pcr_trans,
674 .set_pcr_trans = _set_pcr_trans,
675 .get_measurement_time = _get_measurement_time,
676 .set_measurement_time = _set_measurement_time,
677 .get_policy_uri = _get_policy_uri,
678 .set_policy_uri = _set_policy_uri,
679 .get_pcr_before_value = _get_pcr_before_value,
680 .set_pcr_before_value = _set_pcr_before_value,
681 .get_pcr_after_value = _get_pcr_after_value,
682 .set_pcr_after_value = _set_pcr_after_value,
683 .get_pcr_len = _get_pcr_len,
684 .get_comp_measurement = _get_comp_measurement,
685 .set_comp_measurement = _set_comp_measurement,
686 },
687 .vendor_id = PEN_TCG,
688 .type = TCG_PTS_SIMPLE_COMP_EVID,
689 .flags = flags,
690 .depth = depth,
691 .comp_vendor_id = vendor_id,
692 .family = PTS_REQ_FUNCT_COMP_FAM_BIN_ENUM,
693 .qualifier = qualifier,
694 .name = name,
695 .extended_pcr = extended_pcr,
696 .hash_algorithm = hash_algorithm,
697 .transformation = transformation,
698 .measurement_time = measurement_time,
699 .policy_uri = policy_uri,
700 .pcr_before = pcr_before,
701 .pcr_after = pcr_after,
702 .measurement = measurement,
703 );
704
705 return &this->public.pa_tnc_attribute;
706 }
707
708
709 /**
710 * Described in header.
711 */
712 pa_tnc_attr_t *tcg_pts_attr_simple_comp_evid_create_from_data(chunk_t data)
713 {
714 private_tcg_pts_attr_simple_comp_evid_t *this;
715
716 INIT(this,
717 .public = {
718 .pa_tnc_attribute = {
719 .get_vendor_id = _get_vendor_id,
720 .get_type = _get_type,
721 .get_value = _get_value,
722 .get_noskip_flag = _get_noskip_flag,
723 .set_noskip_flag = _set_noskip_flag,
724 .build = _build,
725 .process = _process,
726 .destroy = _destroy,
727 },
728 .get_flags= _get_flags,
729 .set_flags= _set_flags,
730 .get_sub_component_depth = _get_sub_component_depth,
731 .get_spec_comp_funct_name_vendor_id = _get_spec_comp_funct_name_vendor_id,
732 .get_family = _get_family,
733 .get_qualifier = _get_qualifier,
734 .set_qualifier = _set_qualifier,
735 .get_comp_funct_name = _get_comp_funct_name,
736 .set_comp_funct_name = _set_comp_funct_name,
737 .get_measurement_type = _get_measurement_type,
738 .get_extended_pcr = _get_extended_pcr,
739 .set_extended_pcr = _set_extended_pcr,
740 .get_hash_algorithm = _get_hash_algorithm,
741 .set_hash_algorithm = _set_hash_algorithm,
742 .get_pcr_trans = _get_pcr_trans,
743 .set_pcr_trans = _set_pcr_trans,
744 .get_measurement_time = _get_measurement_time,
745 .set_measurement_time = _set_measurement_time,
746 .get_policy_uri = _get_policy_uri,
747 .set_policy_uri = _set_policy_uri,
748 .get_pcr_before_value = _get_pcr_before_value,
749 .set_pcr_before_value = _set_pcr_before_value,
750 .get_pcr_after_value = _get_pcr_after_value,
751 .set_pcr_after_value = _set_pcr_after_value,
752 .get_pcr_len = _get_pcr_len,
753 .get_comp_measurement = _get_comp_measurement,
754 .set_comp_measurement = _set_comp_measurement,
755 },
756 .vendor_id = PEN_TCG,
757 .type = TCG_PTS_SIMPLE_COMP_EVID,
758 .value = chunk_clone(data),
759 );
760
761 return &this->public.pa_tnc_attribute;
762 }