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 = 1; 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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