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 int 96 fips_test_parse_header(void) 97 { 98 uint32_t i; 99 char *tmp; 100 int ret; 101 int algo_parsed = 0; 102 time_t t = time(NULL); 103 struct tm *tm_now = localtime(&t); 104 105 ret = fips_test_fetch_one_block(); 106 if (ret < 0) 107 return ret; 108 109 for (i = 0; i < info.nb_vec_lines; i++) { 110 if (!algo_parsed) { 111 if (strstr(info.vec[i], "AESVS")) { 112 algo_parsed = 1; 113 info.algo = FIPS_TEST_ALGO_AES; 114 ret = parse_test_aes_init(); 115 if (ret < 0) 116 return ret; 117 } else if (strstr(info.vec[i], "GCM")) { 118 algo_parsed = 1; 119 info.algo = FIPS_TEST_ALGO_AES_GCM; 120 ret = parse_test_gcm_init(); 121 if (ret < 0) 122 return ret; 123 } else if (strstr(info.vec[i], "CMAC")) { 124 algo_parsed = 1; 125 info.algo = FIPS_TEST_ALGO_AES_CMAC; 126 ret = parse_test_cmac_init(); 127 if (ret < 0) 128 return 0; 129 } else if (strstr(info.vec[i], "CCM")) { 130 algo_parsed = 1; 131 info.algo = FIPS_TEST_ALGO_AES_CCM; 132 ret = parse_test_ccm_init(); 133 if (ret < 0) 134 return 0; 135 } else if (strstr(info.vec[i], "HMAC")) { 136 algo_parsed = 1; 137 info.algo = FIPS_TEST_ALGO_HMAC; 138 ret = parse_test_hmac_init(); 139 if (ret < 0) 140 return ret; 141 } else if (strstr(info.vec[i], "TDES")) { 142 algo_parsed = 1; 143 info.algo = FIPS_TEST_ALGO_TDES; 144 ret = parse_test_tdes_init(); 145 if (ret < 0) 146 return 0; 147 } else if (strstr(info.vec[i], "SHA-")) { 148 algo_parsed = 1; 149 info.algo = FIPS_TEST_ALGO_SHA; 150 ret = parse_test_sha_init(); 151 if (ret < 0) 152 return ret; 153 } 154 } 155 156 tmp = strstr(info.vec[i], "# Config info for "); 157 if (tmp != NULL) { 158 fprintf(info.fp_wr, "%s%s\n", "# Config info for DPDK Cryptodev ", 159 info.device_name); 160 continue; 161 } 162 163 tmp = strstr(info.vec[i], "# HMAC information for "); 164 if (tmp != NULL) { 165 fprintf(info.fp_wr, "%s%s\n", "# HMAC information for " 166 "DPDK Cryptodev ", 167 info.device_name); 168 continue; 169 } 170 171 tmp = strstr(info.vec[i], "# Config Info for : "); 172 if (tmp != NULL) { 173 174 fprintf(info.fp_wr, "%s%s\n", "# Config Info for DPDK Cryptodev : ", 175 info.device_name); 176 continue; 177 } 178 179 tmp = strstr(info.vec[i], "# information for "); 180 if (tmp != NULL) { 181 182 char tmp_output[128] = {0}; 183 184 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1); 185 186 fprintf(info.fp_wr, "%s%s%s\n", tmp_output, 187 "information for DPDK Cryptodev ", 188 info.device_name); 189 continue; 190 } 191 192 tmp = strstr(info.vec[i], " test information for "); 193 if (tmp != NULL) { 194 char tmp_output[128] = {0}; 195 196 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1); 197 198 fprintf(info.fp_wr, "%s%s%s\n", tmp_output, 199 "test information for DPDK Cryptodev ", 200 info.device_name); 201 continue; 202 } 203 204 tmp = strstr(info.vec[i], "\" information for \""); 205 if (tmp != NULL) { 206 char tmp_output[128] = {0}; 207 208 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1); 209 210 fprintf(info.fp_wr, "%s%s%s\n", tmp_output, 211 "\" information for DPDK Cryptodev ", 212 info.device_name); 213 continue; 214 } 215 216 if (i == info.nb_vec_lines - 1) { 217 /** update the time as current time, write to file */ 218 fprintf(info.fp_wr, "%s%s\n", "# Generated on ", 219 asctime(tm_now)); 220 continue; 221 } 222 223 /* to this point, no field need to update, 224 * only copy to rsp file 225 */ 226 fprintf(info.fp_wr, "%s\n", info.vec[i]); 227 } 228 229 return 0; 230 } 231 232 static int 233 parse_file_type(const char *path) 234 { 235 const char *tmp = path + strlen(path) - 3; 236 237 if (strstr(tmp, REQ_FILE_PERFIX)) 238 info.file_type = FIPS_TYPE_REQ; 239 else if (strstr(tmp, RSP_FILE_PERFIX)) 240 info.file_type = FIPS_TYPE_RSP; 241 else if (strstr(path, FAX_FILE_PERFIX)) 242 info.file_type = FIPS_TYPE_FAX; 243 else 244 return -EINVAL; 245 246 return 0; 247 } 248 249 int 250 fips_test_init(const char *req_file_path, const char *rsp_file_path, 251 const char *device_name) 252 { 253 if (strcmp(req_file_path, rsp_file_path) == 0) { 254 RTE_LOG(ERR, USER1, "File paths cannot be the same\n"); 255 return -EINVAL; 256 } 257 258 fips_test_clear(); 259 260 info.algo = FIPS_TEST_ALGO_MAX; 261 if (parse_file_type(req_file_path) < 0) { 262 RTE_LOG(ERR, USER1, "File %s type not supported\n", 263 req_file_path); 264 return -EINVAL; 265 } 266 267 info.fp_rd = fopen(req_file_path, "r"); 268 if (!info.fp_rd) { 269 RTE_LOG(ERR, USER1, "Cannot open file %s\n", req_file_path); 270 return -EINVAL; 271 } 272 273 info.fp_wr = fopen(rsp_file_path, "w"); 274 if (!info.fp_wr) { 275 RTE_LOG(ERR, USER1, "Cannot open file %s\n", rsp_file_path); 276 return -EINVAL; 277 } 278 279 info.one_line_text = calloc(1, MAX_LINE_CHAR); 280 if (!info.one_line_text) { 281 RTE_LOG(ERR, USER1, "Insufficient memory\n"); 282 return -ENOMEM; 283 } 284 285 strlcpy(info.device_name, device_name, sizeof(info.device_name)); 286 287 if (fips_test_parse_header() < 0) { 288 RTE_LOG(ERR, USER1, "Failed parsing header\n"); 289 return -1; 290 } 291 292 return 0; 293 } 294 295 void 296 fips_test_clear(void) 297 { 298 if (info.fp_rd) 299 fclose(info.fp_rd); 300 if (info.fp_wr) 301 fclose(info.fp_wr); 302 if (info.one_line_text) 303 free(info.one_line_text); 304 if (info.nb_vec_lines) { 305 uint32_t i; 306 307 for (i = 0; i < info.nb_vec_lines; i++) 308 free(info.vec[i]); 309 } 310 311 memset(&info, 0, sizeof(info)); 312 } 313 314 int 315 fips_test_parse_one_case(void) 316 { 317 uint32_t i, j = 0; 318 uint32_t is_interim = 0; 319 int ret; 320 321 if (info.interim_callbacks) { 322 for (i = 0; i < info.nb_vec_lines; i++) { 323 for (j = 0; info.interim_callbacks[j].key != NULL; j++) 324 if (strstr(info.vec[i], 325 info.interim_callbacks[j].key)) { 326 is_interim = 1; 327 328 ret = info.interim_callbacks[j].cb( 329 info.interim_callbacks[j].key, 330 info.vec[i], 331 info.interim_callbacks[j].val); 332 if (ret < 0) 333 return ret; 334 } 335 } 336 } 337 338 if (is_interim) { 339 for (i = 0; i < info.nb_vec_lines; i++) 340 fprintf(info.fp_wr, "%s\n", info.vec[i]); 341 fprintf(info.fp_wr, "\n"); 342 return 1; 343 } 344 345 for (i = 0; i < info.nb_vec_lines; i++) { 346 for (j = 0; info.callbacks[j].key != NULL; j++) 347 if (strstr(info.vec[i], info.callbacks[j].key)) { 348 ret = info.callbacks[j].cb( 349 info.callbacks[j].key, 350 info.vec[i], info.callbacks[j].val); 351 if (ret < 0) 352 return ret; 353 break; 354 } 355 } 356 357 return 0; 358 } 359 360 void 361 fips_test_write_one_case(void) 362 { 363 uint32_t i; 364 365 for (i = 0; i < info.nb_vec_lines; i++) 366 fprintf(info.fp_wr, "%s\n", info.vec[i]); 367 } 368 369 static int 370 parser_read_uint64_hex(uint64_t *value, const char *p) 371 { 372 char *next; 373 uint64_t val; 374 375 p = skip_white_spaces(p); 376 377 val = strtoul(p, &next, 16); 378 if (p == next) 379 return -EINVAL; 380 381 p = skip_white_spaces(next); 382 if (*p != '\0') 383 return -EINVAL; 384 385 *value = val; 386 return 0; 387 } 388 389 int 390 parser_read_uint8_hex(uint8_t *value, const char *p) 391 { 392 uint64_t val = 0; 393 int ret = parser_read_uint64_hex(&val, p); 394 395 if (ret < 0) 396 return ret; 397 398 if (val > UINT8_MAX) 399 return -ERANGE; 400 401 *value = val; 402 return 0; 403 } 404 405 int 406 parse_uint8_known_len_hex_str(const char *key, char *src, struct fips_val *val) 407 { 408 struct fips_val tmp_val = {0}; 409 uint32_t len = val->len; 410 int ret; 411 412 if (len == 0) { 413 if (val->val != NULL) { 414 rte_free(val->val); 415 val->val = NULL; 416 } 417 418 return 0; 419 } 420 421 ret = parse_uint8_hex_str(key, src, &tmp_val); 422 if (ret < 0) 423 return ret; 424 425 if (tmp_val.len == val->len) { 426 val->val = tmp_val.val; 427 return 0; 428 } 429 430 if (tmp_val.len < val->len) { 431 rte_free(tmp_val.val); 432 return -EINVAL; 433 } 434 435 val->val = rte_zmalloc(NULL, val->len, 0); 436 if (!val->val) { 437 rte_free(tmp_val.val); 438 memset(val, 0, sizeof(*val)); 439 return -ENOMEM; 440 } 441 442 memcpy(val->val, tmp_val.val, val->len); 443 rte_free(tmp_val.val); 444 445 return 0; 446 } 447 448 int 449 parse_uint8_hex_str(const char *key, char *src, struct fips_val *val) 450 { 451 uint32_t len, j; 452 453 src += strlen(key); 454 455 len = strlen(src) / 2; 456 457 if (val->val) { 458 rte_free(val->val); 459 val->val = NULL; 460 } 461 462 val->val = rte_zmalloc(NULL, len, 0); 463 if (!val->val) 464 return -ENOMEM; 465 466 for (j = 0; j < len; j++) { 467 char byte[3] = {src[j * 2], src[j * 2 + 1], '\0'}; 468 469 if (parser_read_uint8_hex(&val->val[j], byte) < 0) { 470 rte_free(val->val); 471 memset(val, 0, sizeof(*val)); 472 return -EINVAL; 473 } 474 } 475 476 val->len = len; 477 478 return 0; 479 } 480 481 int 482 parser_read_uint32_val(const char *key, char *src, struct fips_val *val) 483 { 484 char *data = src + strlen(key); 485 size_t data_len = strlen(data); 486 int ret; 487 488 if (data[data_len - 1] == ']') { 489 char *tmp_data = calloc(1, data_len + 1); 490 491 if (tmp_data == NULL) 492 return -ENOMEM; 493 494 strlcpy(tmp_data, data, data_len); 495 496 ret = parser_read_uint32(&val->len, tmp_data); 497 498 free(tmp_data); 499 } else 500 ret = parser_read_uint32(&val->len, data); 501 502 return ret; 503 } 504 505 int 506 parser_read_uint32_bit_val(const char *key, char *src, struct fips_val *val) 507 { 508 int ret; 509 510 ret = parser_read_uint32_val(key, src, val); 511 512 if (ret < 0) 513 return ret; 514 515 val->len /= 8; 516 517 return 0; 518 } 519 520 int 521 writeback_hex_str(const char *key, char *dst, struct fips_val *val) 522 { 523 char *str = dst; 524 uint32_t len; 525 526 str += strlen(key); 527 528 for (len = 0; len < val->len; len++) 529 snprintf(str + len * 2, 255, "%02x", val->val[len]); 530 531 return 0; 532 } 533 534 static int 535 parser_read_uint64(uint64_t *value, const char *p) 536 { 537 char *next; 538 uint64_t val; 539 540 p = skip_white_spaces(p); 541 if (!isdigit(*p)) 542 return -EINVAL; 543 544 val = strtoul(p, &next, 10); 545 if (p == next) 546 return -EINVAL; 547 548 p = next; 549 switch (*p) { 550 case 'T': 551 val *= 1024ULL; 552 /* fall through */ 553 case 'G': 554 val *= 1024ULL; 555 /* fall through */ 556 case 'M': 557 val *= 1024ULL; 558 /* fall through */ 559 case 'k': 560 case 'K': 561 val *= 1024ULL; 562 p++; 563 break; 564 } 565 566 p = skip_white_spaces(p); 567 if (*p != '\0') 568 return -EINVAL; 569 570 *value = val; 571 return 0; 572 } 573 574 int 575 parser_read_uint32(uint32_t *value, char *p) 576 { 577 uint64_t val = 0; 578 int ret = parser_read_uint64(&val, p); 579 580 if (ret < 0) 581 return ret; 582 583 if (val > UINT32_MAX) 584 return -EINVAL; 585 586 *value = val; 587 return 0; 588 } 589 590 void 591 parse_write_hex_str(struct fips_val *src) 592 { 593 writeback_hex_str("", info.one_line_text, src); 594 595 fprintf(info.fp_wr, "%s\n", info.one_line_text); 596 } 597 598 int 599 update_info_vec(uint32_t count) 600 { 601 const struct fips_test_callback *cb; 602 uint32_t i, j; 603 604 if (!info.writeback_callbacks) 605 return -1; 606 607 cb = &info.writeback_callbacks[0]; 608 609 snprintf(info.vec[0], strlen(info.vec[0]) + 4, "%s%u", cb->key, count); 610 611 for (i = 1; i < info.nb_vec_lines; i++) { 612 for (j = 1; info.writeback_callbacks[j].key != NULL; j++) { 613 cb = &info.writeback_callbacks[j]; 614 if (strstr(info.vec[i], cb->key)) { 615 cb->cb(cb->key, info.vec[i], cb->val); 616 break; 617 } 618 } 619 } 620 621 return 0; 622 } 623