1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <string.h>
7
8 #include <rte_string_fns.h>
9 #include <rte_cryptodev.h>
10 #include <rte_malloc.h>
11
12 #include "fips_validation.h"
13
14 #define skip_white_spaces(pos) \
15 ({ \
16 __typeof__(pos) _p = (pos); \
17 for ( ; isspace(*_p); _p++) \
18 ; \
19 _p; \
20 })
21
22 static int
get_file_line(void)23 get_file_line(void)
24 {
25 FILE *fp = info.fp_rd;
26 char *line = info.one_line_text;
27 int ret;
28 uint32_t loc = 0;
29
30 memset(line, 0, MAX_LINE_CHAR);
31 while ((ret = fgetc(fp)) != EOF) {
32 char c = (char)ret;
33
34 if (loc >= MAX_LINE_CHAR - 1)
35 return -ENOMEM;
36 if (c == '\n')
37 break;
38 line[loc++] = c;
39 }
40
41 if (ret == EOF)
42 return -EOF;
43
44 return 0;
45 }
46
47 int
fips_test_fetch_one_block(void)48 fips_test_fetch_one_block(void)
49 {
50 size_t size;
51 int ret = 0;
52 uint32_t i;
53
54 for (i = 0; i < info.nb_vec_lines; i++) {
55 free(info.vec[i]);
56 info.vec[i] = NULL;
57 }
58
59 i = 0;
60 do {
61 if (i >= MAX_LINE_PER_VECTOR) {
62 ret = -ENOMEM;
63 goto error_exit;
64 }
65
66 ret = get_file_line();
67 size = strlen(info.one_line_text);
68 if (size == 0)
69 break;
70
71 info.vec[i] = calloc(1, size + 5);
72 if (info.vec[i] == NULL)
73 goto error_exit;
74
75 strlcpy(info.vec[i], info.one_line_text, size + 1);
76 i++;
77 } while (ret == 0);
78
79 info.nb_vec_lines = i;
80
81 return ret;
82
83 error_exit:
84 for (i = 0; i < MAX_LINE_PER_VECTOR; i++)
85 if (info.vec[i] != NULL) {
86 free(info.vec[i]);
87 info.vec[i] = NULL;
88 }
89
90 info.nb_vec_lines = 0;
91
92 return -ENOMEM;
93 }
94
95 static void
fips_test_parse_version(void)96 fips_test_parse_version(void)
97 {
98 int len = strlen(info.vec[0]);
99 char *ptr = info.vec[0];
100
101 info.version = strtof(ptr + len - 4, NULL);
102 }
103
104 static int
fips_test_parse_header(void)105 fips_test_parse_header(void)
106 {
107 uint32_t i;
108 char *tmp;
109 int ret;
110 int algo_parsed = 0;
111 time_t t = time(NULL);
112 struct tm *tm_now = localtime(&t);
113
114 ret = fips_test_fetch_one_block();
115 if (ret < 0)
116 return ret;
117
118 if (info.nb_vec_lines)
119 fips_test_parse_version();
120
121 for (i = 0; i < info.nb_vec_lines; i++) {
122 if (!algo_parsed) {
123 if (strstr(info.vec[i], "AESVS")) {
124 algo_parsed = 1;
125 info.algo = FIPS_TEST_ALGO_AES;
126 ret = parse_test_aes_init();
127 if (ret < 0)
128 return ret;
129 } else if (strstr(info.vec[i], "GCM")) {
130 algo_parsed = 1;
131 info.algo = FIPS_TEST_ALGO_AES_GCM;
132 ret = parse_test_gcm_init();
133 if (ret < 0)
134 return ret;
135 } else if (strstr(info.vec[i], "CMAC")) {
136 algo_parsed = 1;
137 info.algo = FIPS_TEST_ALGO_AES_CMAC;
138 ret = parse_test_cmac_init();
139 if (ret < 0)
140 return 0;
141 } else if (strstr(info.vec[i], "CCM")) {
142 algo_parsed = 1;
143 info.algo = FIPS_TEST_ALGO_AES_CCM;
144 ret = parse_test_ccm_init();
145 if (ret < 0)
146 return 0;
147 } else if (strstr(info.vec[i], "HMAC")) {
148 algo_parsed = 1;
149 info.algo = FIPS_TEST_ALGO_HMAC;
150 ret = parse_test_hmac_init();
151 if (ret < 0)
152 return ret;
153 } else if (strstr(info.vec[i], "TDES")) {
154 algo_parsed = 1;
155 info.algo = FIPS_TEST_ALGO_TDES;
156 ret = parse_test_tdes_init();
157 if (ret < 0)
158 return 0;
159 } else if (strstr(info.vec[i], "PERMUTATION")) {
160 algo_parsed = 1;
161 info.algo = FIPS_TEST_ALGO_TDES;
162 ret = parse_test_tdes_init();
163 if (ret < 0)
164 return 0;
165 } else if (strstr(info.vec[i], "VARIABLE")) {
166 algo_parsed = 1;
167 info.algo = FIPS_TEST_ALGO_TDES;
168 ret = parse_test_tdes_init();
169 if (ret < 0)
170 return 0;
171 } else if (strstr(info.vec[i], "SUBSTITUTION")) {
172 algo_parsed = 1;
173 info.algo = FIPS_TEST_ALGO_TDES;
174 ret = parse_test_tdes_init();
175 if (ret < 0)
176 return 0;
177 } else if (strstr(info.vec[i], "SHA-")) {
178 algo_parsed = 1;
179 info.algo = FIPS_TEST_ALGO_SHA;
180 ret = parse_test_sha_init();
181 if (ret < 0)
182 return ret;
183 } else if (strstr(info.vec[i], "XTS")) {
184 algo_parsed = 1;
185 info.algo = FIPS_TEST_ALGO_AES_XTS;
186 ret = parse_test_xts_init();
187 if (ret < 0)
188 return ret;
189 }
190 }
191
192 tmp = strstr(info.vec[i], "# Config info for ");
193 if (tmp != NULL) {
194 fprintf(info.fp_wr, "%s%s\n", "# Config info for DPDK Cryptodev ",
195 info.device_name);
196 continue;
197 }
198
199 tmp = strstr(info.vec[i], "# HMAC information for ");
200 if (tmp != NULL) {
201 fprintf(info.fp_wr, "%s%s\n", "# HMAC information for "
202 "DPDK Cryptodev ",
203 info.device_name);
204 continue;
205 }
206
207 tmp = strstr(info.vec[i], "# Config Info for : ");
208 if (tmp != NULL) {
209
210 fprintf(info.fp_wr, "%s%s\n", "# Config Info for DPDK Cryptodev : ",
211 info.device_name);
212 continue;
213 }
214
215 tmp = strstr(info.vec[i], "# information for ");
216 if (tmp != NULL) {
217
218 char tmp_output[128] = {0};
219
220 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1);
221
222 fprintf(info.fp_wr, "%s%s%s\n", tmp_output,
223 "information for DPDK Cryptodev ",
224 info.device_name);
225 continue;
226 }
227
228 tmp = strstr(info.vec[i], " test information for ");
229 if (tmp != NULL) {
230 char tmp_output[128] = {0};
231
232 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1);
233
234 fprintf(info.fp_wr, "%s%s%s\n", tmp_output,
235 "test information for DPDK Cryptodev ",
236 info.device_name);
237 continue;
238 }
239
240 tmp = strstr(info.vec[i], "\" information for \"");
241 if (tmp != NULL) {
242 char tmp_output[128] = {0};
243
244 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1);
245
246 fprintf(info.fp_wr, "%s%s%s\n", tmp_output,
247 "\" information for DPDK Cryptodev ",
248 info.device_name);
249 continue;
250 }
251
252 if (i == info.nb_vec_lines - 1) {
253 /** update the time as current time, write to file */
254 fprintf(info.fp_wr, "%s%s\n", "# Generated on ",
255 asctime(tm_now));
256 continue;
257 }
258
259 /* to this point, no field need to update,
260 * only copy to rsp file
261 */
262 fprintf(info.fp_wr, "%s\n", info.vec[i]);
263 }
264
265 return 0;
266 }
267
268 static int
parse_file_type(const char * path)269 parse_file_type(const char *path)
270 {
271 const char *tmp = path + strlen(path) - 3;
272
273 if (strstr(tmp, REQ_FILE_PERFIX))
274 info.file_type = FIPS_TYPE_REQ;
275 else if (strstr(tmp, RSP_FILE_PERFIX))
276 info.file_type = FIPS_TYPE_RSP;
277 else if (strstr(path, FAX_FILE_PERFIX))
278 info.file_type = FIPS_TYPE_FAX;
279 else
280 return -EINVAL;
281
282 return 0;
283 }
284
285 int
fips_test_init(const char * req_file_path,const char * rsp_file_path,const char * device_name)286 fips_test_init(const char *req_file_path, const char *rsp_file_path,
287 const char *device_name)
288 {
289 if (strcmp(req_file_path, rsp_file_path) == 0) {
290 RTE_LOG(ERR, USER1, "File paths cannot be the same\n");
291 return -EINVAL;
292 }
293
294 fips_test_clear();
295
296 if (rte_strscpy(info.file_name, req_file_path,
297 sizeof(info.file_name)) < 0) {
298 RTE_LOG(ERR, USER1, "Path %s too long\n", req_file_path);
299 return -EINVAL;
300 }
301 info.algo = FIPS_TEST_ALGO_MAX;
302 if (parse_file_type(req_file_path) < 0) {
303 RTE_LOG(ERR, USER1, "File %s type not supported\n",
304 req_file_path);
305 return -EINVAL;
306 }
307
308 info.fp_rd = fopen(req_file_path, "r");
309 if (!info.fp_rd) {
310 RTE_LOG(ERR, USER1, "Cannot open file %s\n", req_file_path);
311 return -EINVAL;
312 }
313
314 info.fp_wr = fopen(rsp_file_path, "w");
315 if (!info.fp_wr) {
316 RTE_LOG(ERR, USER1, "Cannot open file %s\n", rsp_file_path);
317 return -EINVAL;
318 }
319
320 info.one_line_text = calloc(1, MAX_LINE_CHAR);
321 if (!info.one_line_text) {
322 RTE_LOG(ERR, USER1, "Insufficient memory\n");
323 return -ENOMEM;
324 }
325
326 if (rte_strscpy(info.device_name, device_name,
327 sizeof(info.device_name)) < 0) {
328 RTE_LOG(ERR, USER1, "Device name %s too long\n", device_name);
329 return -EINVAL;
330 }
331
332 if (fips_test_parse_header() < 0) {
333 RTE_LOG(ERR, USER1, "Failed parsing header\n");
334 return -1;
335 }
336
337 return 0;
338 }
339
340 void
fips_test_clear(void)341 fips_test_clear(void)
342 {
343 if (info.fp_rd)
344 fclose(info.fp_rd);
345 if (info.fp_wr)
346 fclose(info.fp_wr);
347 if (info.one_line_text)
348 free(info.one_line_text);
349 if (info.nb_vec_lines) {
350 uint32_t i;
351
352 for (i = 0; i < info.nb_vec_lines; i++)
353 free(info.vec[i]);
354 }
355
356 memset(&info, 0, sizeof(info));
357 }
358
359 int
fips_test_parse_one_case(void)360 fips_test_parse_one_case(void)
361 {
362 uint32_t i, j = 0;
363 uint32_t is_interim;
364 uint32_t interim_cnt = 0;
365 int ret;
366
367 info.vec_start_off = 0;
368
369 if (info.interim_callbacks) {
370 for (i = 0; i < info.nb_vec_lines; i++) {
371 is_interim = 0;
372 for (j = 0; info.interim_callbacks[j].key != NULL; j++)
373 if (strstr(info.vec[i],
374 info.interim_callbacks[j].key)) {
375 is_interim = 1;
376
377 ret = info.interim_callbacks[j].cb(
378 info.interim_callbacks[j].key,
379 info.vec[i],
380 info.interim_callbacks[j].val);
381 if (ret < 0)
382 return ret;
383 }
384
385 if (is_interim)
386 interim_cnt += 1;
387 }
388 }
389
390 if (interim_cnt) {
391 if (info.version == 21.4f) {
392 for (i = 0; i < interim_cnt; i++)
393 fprintf(info.fp_wr, "%s\n", info.vec[i]);
394 fprintf(info.fp_wr, "\n");
395
396 if (info.nb_vec_lines == interim_cnt)
397 return 1;
398 } else {
399 for (i = 0; i < info.nb_vec_lines; i++)
400 fprintf(info.fp_wr, "%s\n", info.vec[i]);
401 fprintf(info.fp_wr, "\n");
402 return 1;
403 }
404 }
405
406 info.vec_start_off = interim_cnt;
407
408 for (i = info.vec_start_off; i < info.nb_vec_lines; i++) {
409 for (j = 0; info.callbacks[j].key != NULL; j++)
410 if (strstr(info.vec[i], info.callbacks[j].key)) {
411 ret = info.callbacks[j].cb(
412 info.callbacks[j].key,
413 info.vec[i], info.callbacks[j].val);
414 if (ret < 0)
415 return ret;
416 break;
417 }
418 }
419
420 return 0;
421 }
422
423 void
fips_test_write_one_case(void)424 fips_test_write_one_case(void)
425 {
426 uint32_t i;
427
428 for (i = info.vec_start_off; i < info.nb_vec_lines; i++)
429 fprintf(info.fp_wr, "%s\n", info.vec[i]);
430 }
431
432 static int
parser_read_uint64_hex(uint64_t * value,const char * p)433 parser_read_uint64_hex(uint64_t *value, const char *p)
434 {
435 char *next;
436 uint64_t val;
437
438 p = skip_white_spaces(p);
439
440 val = strtoul(p, &next, 16);
441 if (p == next)
442 return -EINVAL;
443
444 p = skip_white_spaces(next);
445 if (*p != '\0')
446 return -EINVAL;
447
448 *value = val;
449 return 0;
450 }
451
452 int
parser_read_uint8_hex(uint8_t * value,const char * p)453 parser_read_uint8_hex(uint8_t *value, const char *p)
454 {
455 uint64_t val = 0;
456 int ret = parser_read_uint64_hex(&val, p);
457
458 if (ret < 0)
459 return ret;
460
461 if (val > UINT8_MAX)
462 return -ERANGE;
463
464 *value = val;
465 return 0;
466 }
467
468 int
parse_uint8_known_len_hex_str(const char * key,char * src,struct fips_val * val)469 parse_uint8_known_len_hex_str(const char *key, char *src, struct fips_val *val)
470 {
471 struct fips_val tmp_val = {0};
472 uint32_t len = val->len;
473 int ret;
474
475 if (len == 0) {
476 if (val->val != NULL) {
477 rte_free(val->val);
478 val->val = NULL;
479 }
480
481 return 0;
482 }
483
484 ret = parse_uint8_hex_str(key, src, &tmp_val);
485 if (ret < 0)
486 return ret;
487
488 if (tmp_val.len == val->len) {
489 val->val = tmp_val.val;
490 return 0;
491 }
492
493 if (tmp_val.len < val->len) {
494 rte_free(tmp_val.val);
495 return -EINVAL;
496 }
497
498 val->val = rte_zmalloc(NULL, val->len, 0);
499 if (!val->val) {
500 rte_free(tmp_val.val);
501 memset(val, 0, sizeof(*val));
502 return -ENOMEM;
503 }
504
505 memcpy(val->val, tmp_val.val, val->len);
506 rte_free(tmp_val.val);
507
508 return 0;
509 }
510
511 int
parse_uint8_hex_str(const char * key,char * src,struct fips_val * val)512 parse_uint8_hex_str(const char *key, char *src, struct fips_val *val)
513 {
514 uint32_t len, j;
515
516 src += strlen(key);
517
518 len = strlen(src) / 2;
519
520 if (val->val) {
521 rte_free(val->val);
522 val->val = NULL;
523 }
524
525 val->val = rte_zmalloc(NULL, len, 0);
526 if (!val->val)
527 return -ENOMEM;
528
529 for (j = 0; j < len; j++) {
530 char byte[3] = {src[j * 2], src[j * 2 + 1], '\0'};
531
532 if (parser_read_uint8_hex(&val->val[j], byte) < 0) {
533 rte_free(val->val);
534 memset(val, 0, sizeof(*val));
535 return -EINVAL;
536 }
537 }
538
539 val->len = len;
540
541 return 0;
542 }
543
544 int
parser_read_uint32_val(const char * key,char * src,struct fips_val * val)545 parser_read_uint32_val(const char *key, char *src, struct fips_val *val)
546 {
547 char *data = src + strlen(key);
548 size_t data_len = strlen(data);
549 int ret;
550
551 if (data[data_len - 1] == ']') {
552 char *tmp_data = calloc(1, data_len + 1);
553
554 if (tmp_data == NULL)
555 return -ENOMEM;
556
557 strlcpy(tmp_data, data, data_len);
558
559 ret = parser_read_uint32(&val->len, tmp_data);
560
561 free(tmp_data);
562 } else
563 ret = parser_read_uint32(&val->len, data);
564
565 return ret;
566 }
567
568 int
parser_read_uint32_bit_val(const char * key,char * src,struct fips_val * val)569 parser_read_uint32_bit_val(const char *key, char *src, struct fips_val *val)
570 {
571 int ret;
572
573 ret = parser_read_uint32_val(key, src, val);
574
575 if (ret < 0)
576 return ret;
577
578 val->len /= 8;
579
580 return 0;
581 }
582
583 int
writeback_hex_str(const char * key,char * dst,struct fips_val * val)584 writeback_hex_str(const char *key, char *dst, struct fips_val *val)
585 {
586 char *str = dst;
587 uint32_t len;
588
589 str += strlen(key);
590
591 for (len = 0; len < val->len; len++)
592 snprintf(str + len * 2, 255, "%02x", val->val[len]);
593
594 return 0;
595 }
596
597 static int
parser_read_uint64(uint64_t * value,const char * p)598 parser_read_uint64(uint64_t *value, const char *p)
599 {
600 char *next;
601 uint64_t val;
602
603 p = skip_white_spaces(p);
604 if (!isdigit(*p))
605 return -EINVAL;
606
607 val = strtoul(p, &next, 10);
608 if (p == next)
609 return -EINVAL;
610
611 p = next;
612 switch (*p) {
613 case 'T':
614 val *= 1024ULL;
615 /* fall through */
616 case 'G':
617 val *= 1024ULL;
618 /* fall through */
619 case 'M':
620 val *= 1024ULL;
621 /* fall through */
622 case 'k':
623 case 'K':
624 val *= 1024ULL;
625 p++;
626 break;
627 }
628
629 p = skip_white_spaces(p);
630 if (*p != '\0')
631 return -EINVAL;
632
633 *value = val;
634 return 0;
635 }
636
637 int
parser_read_uint32(uint32_t * value,char * p)638 parser_read_uint32(uint32_t *value, char *p)
639 {
640 uint64_t val = 0;
641 int ret = parser_read_uint64(&val, p);
642
643 if (ret < 0)
644 return ret;
645
646 if (val > UINT32_MAX)
647 return -EINVAL;
648
649 *value = val;
650 return 0;
651 }
652
653 void
parse_write_hex_str(struct fips_val * src)654 parse_write_hex_str(struct fips_val *src)
655 {
656 writeback_hex_str("", info.one_line_text, src);
657
658 fprintf(info.fp_wr, "%s\n", info.one_line_text);
659 }
660
661 int
update_info_vec(uint32_t count)662 update_info_vec(uint32_t count)
663 {
664 const struct fips_test_callback *cb;
665 uint32_t i, j;
666
667 if (!info.writeback_callbacks)
668 return -1;
669
670 cb = &info.writeback_callbacks[0];
671
672 if ((info.version == 21.4f) && (!(strstr(info.vec[0], cb->key)))) {
673 fprintf(info.fp_wr, "%s%u\n", cb->key, count);
674 i = 0;
675 } else {
676 snprintf(info.vec[0], strlen(info.vec[0]) + 4, "%s%u", cb->key,
677 count);
678 i = 1;
679 }
680
681 for (; i < info.nb_vec_lines; i++) {
682 for (j = 1; info.writeback_callbacks[j].key != NULL; j++) {
683 cb = &info.writeback_callbacks[j];
684 if (strstr(info.vec[i], cb->key)) {
685 cb->cb(cb->key, info.vec[i], cb->val);
686 break;
687 }
688 }
689 }
690
691 return 0;
692 }
693