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 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 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 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 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 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 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 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 free(info.one_line_text); 348 if (info.nb_vec_lines) { 349 uint32_t i; 350 351 for (i = 0; i < info.nb_vec_lines; i++) 352 free(info.vec[i]); 353 } 354 355 memset(&info, 0, sizeof(info)); 356 } 357 358 int 359 fips_test_parse_one_case(void) 360 { 361 uint32_t i, j = 0; 362 uint32_t is_interim; 363 uint32_t interim_cnt = 0; 364 int ret; 365 366 info.vec_start_off = 0; 367 368 if (info.interim_callbacks) { 369 for (i = 0; i < info.nb_vec_lines; i++) { 370 is_interim = 0; 371 for (j = 0; info.interim_callbacks[j].key != NULL; j++) 372 if (strstr(info.vec[i], 373 info.interim_callbacks[j].key)) { 374 is_interim = 1; 375 376 ret = info.interim_callbacks[j].cb( 377 info.interim_callbacks[j].key, 378 info.vec[i], 379 info.interim_callbacks[j].val); 380 if (ret < 0) 381 return ret; 382 } 383 384 if (is_interim) 385 interim_cnt += 1; 386 } 387 } 388 389 if (interim_cnt) { 390 if (info.version == 21.4f) { 391 for (i = 0; i < interim_cnt; i++) 392 fprintf(info.fp_wr, "%s\n", info.vec[i]); 393 fprintf(info.fp_wr, "\n"); 394 395 if (info.nb_vec_lines == interim_cnt) 396 return 1; 397 } else { 398 for (i = 0; i < info.nb_vec_lines; i++) 399 fprintf(info.fp_wr, "%s\n", info.vec[i]); 400 fprintf(info.fp_wr, "\n"); 401 return 1; 402 } 403 } 404 405 info.vec_start_off = interim_cnt; 406 407 for (i = info.vec_start_off; i < info.nb_vec_lines; i++) { 408 for (j = 0; info.callbacks[j].key != NULL; j++) 409 if (strstr(info.vec[i], info.callbacks[j].key)) { 410 ret = info.callbacks[j].cb( 411 info.callbacks[j].key, 412 info.vec[i], info.callbacks[j].val); 413 if (ret < 0) 414 return ret; 415 break; 416 } 417 } 418 419 return 0; 420 } 421 422 void 423 fips_test_write_one_case(void) 424 { 425 uint32_t i; 426 427 for (i = info.vec_start_off; i < info.nb_vec_lines; i++) 428 fprintf(info.fp_wr, "%s\n", info.vec[i]); 429 } 430 431 static int 432 parser_read_uint64_hex(uint64_t *value, const char *p) 433 { 434 char *next; 435 uint64_t val; 436 437 p = skip_white_spaces(p); 438 439 val = strtoul(p, &next, 16); 440 if (p == next) 441 return -EINVAL; 442 443 p = skip_white_spaces(next); 444 if (*p != '\0') 445 return -EINVAL; 446 447 *value = val; 448 return 0; 449 } 450 451 int 452 parser_read_uint8_hex(uint8_t *value, const char *p) 453 { 454 uint64_t val = 0; 455 int ret = parser_read_uint64_hex(&val, p); 456 457 if (ret < 0) 458 return ret; 459 460 if (val > UINT8_MAX) 461 return -ERANGE; 462 463 *value = val; 464 return 0; 465 } 466 467 int 468 parse_uint8_known_len_hex_str(const char *key, char *src, struct fips_val *val) 469 { 470 struct fips_val tmp_val = {0}; 471 uint32_t len = val->len; 472 int ret; 473 474 if (len == 0) { 475 if (val->val != NULL) { 476 rte_free(val->val); 477 val->val = NULL; 478 } 479 480 return 0; 481 } 482 483 ret = parse_uint8_hex_str(key, src, &tmp_val); 484 if (ret < 0) 485 return ret; 486 487 if (tmp_val.len == val->len) { 488 val->val = tmp_val.val; 489 return 0; 490 } 491 492 if (tmp_val.len < val->len) { 493 rte_free(tmp_val.val); 494 return -EINVAL; 495 } 496 497 val->val = rte_zmalloc(NULL, val->len, 0); 498 if (!val->val) { 499 rte_free(tmp_val.val); 500 memset(val, 0, sizeof(*val)); 501 return -ENOMEM; 502 } 503 504 memcpy(val->val, tmp_val.val, val->len); 505 rte_free(tmp_val.val); 506 507 return 0; 508 } 509 510 int 511 parse_uint8_hex_str(const char *key, char *src, struct fips_val *val) 512 { 513 uint32_t len, j; 514 515 src += strlen(key); 516 517 len = strlen(src) / 2; 518 519 if (val->val) { 520 rte_free(val->val); 521 val->val = NULL; 522 } 523 524 val->val = rte_zmalloc(NULL, len, 0); 525 if (!val->val) 526 return -ENOMEM; 527 528 for (j = 0; j < len; j++) { 529 char byte[3] = {src[j * 2], src[j * 2 + 1], '\0'}; 530 531 if (parser_read_uint8_hex(&val->val[j], byte) < 0) { 532 rte_free(val->val); 533 memset(val, 0, sizeof(*val)); 534 return -EINVAL; 535 } 536 } 537 538 val->len = len; 539 540 return 0; 541 } 542 543 int 544 parser_read_uint32_val(const char *key, char *src, struct fips_val *val) 545 { 546 char *data = src + strlen(key); 547 size_t data_len = strlen(data); 548 int ret; 549 550 if (data[data_len - 1] == ']') { 551 char *tmp_data = calloc(1, data_len + 1); 552 553 if (tmp_data == NULL) 554 return -ENOMEM; 555 556 strlcpy(tmp_data, data, data_len); 557 558 ret = parser_read_uint32(&val->len, tmp_data); 559 560 free(tmp_data); 561 } else 562 ret = parser_read_uint32(&val->len, data); 563 564 return ret; 565 } 566 567 int 568 parser_read_uint32_bit_val(const char *key, char *src, struct fips_val *val) 569 { 570 int ret; 571 572 ret = parser_read_uint32_val(key, src, val); 573 574 if (ret < 0) 575 return ret; 576 577 val->len /= 8; 578 579 return 0; 580 } 581 582 int 583 writeback_hex_str(const char *key, char *dst, struct fips_val *val) 584 { 585 char *str = dst; 586 uint32_t len; 587 588 str += strlen(key); 589 590 for (len = 0; len < val->len; len++) 591 snprintf(str + len * 2, 255, "%02x", val->val[len]); 592 593 return 0; 594 } 595 596 static int 597 parser_read_uint64(uint64_t *value, const char *p) 598 { 599 char *next; 600 uint64_t val; 601 602 p = skip_white_spaces(p); 603 if (!isdigit(*p)) 604 return -EINVAL; 605 606 val = strtoul(p, &next, 10); 607 if (p == next) 608 return -EINVAL; 609 610 p = next; 611 switch (*p) { 612 case 'T': 613 val *= 1024ULL; 614 /* fall through */ 615 case 'G': 616 val *= 1024ULL; 617 /* fall through */ 618 case 'M': 619 val *= 1024ULL; 620 /* fall through */ 621 case 'k': 622 case 'K': 623 val *= 1024ULL; 624 p++; 625 break; 626 } 627 628 p = skip_white_spaces(p); 629 if (*p != '\0') 630 return -EINVAL; 631 632 *value = val; 633 return 0; 634 } 635 636 int 637 parser_read_uint32(uint32_t *value, char *p) 638 { 639 uint64_t val = 0; 640 int ret = parser_read_uint64(&val, p); 641 642 if (ret < 0) 643 return ret; 644 645 if (val > UINT32_MAX) 646 return -EINVAL; 647 648 *value = val; 649 return 0; 650 } 651 652 int 653 parser_read_uint16(uint16_t *value, const char *p) 654 { 655 uint64_t val = 0; 656 int ret = parser_read_uint64(&val, p); 657 658 if (ret < 0) 659 return ret; 660 661 if (val > UINT16_MAX) 662 return -ERANGE; 663 664 *value = val; 665 return 0; 666 } 667 668 void 669 parse_write_hex_str(struct fips_val *src) 670 { 671 writeback_hex_str("", info.one_line_text, src); 672 673 fprintf(info.fp_wr, "%s\n", info.one_line_text); 674 } 675 676 int 677 update_info_vec(uint32_t count) 678 { 679 const struct fips_test_callback *cb; 680 uint32_t i, j; 681 682 if (!info.writeback_callbacks) 683 return -1; 684 685 cb = &info.writeback_callbacks[0]; 686 687 if ((info.version == 21.4f) && (!(strstr(info.vec[0], cb->key)))) { 688 fprintf(info.fp_wr, "%s%u\n", cb->key, count); 689 i = 0; 690 } else { 691 snprintf(info.vec[0], strlen(info.vec[0]) + 4, "%s%u", cb->key, 692 count); 693 i = 1; 694 } 695 696 for (; i < info.nb_vec_lines; i++) { 697 for (j = 1; info.writeback_callbacks[j].key != NULL; j++) { 698 cb = &info.writeback_callbacks[j]; 699 if (strstr(info.vec[i], cb->key)) { 700 cb->cb(cb->key, info.vec[i], cb->val); 701 break; 702 } 703 } 704 } 705 706 return 0; 707 } 708