1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2018 Intel Corporation 3 */ 4 5 #include <ctype.h> 6 #include <stdio.h> 7 #include <stdlib.h> 8 #include <string.h> 9 10 #include <rte_string_fns.h> 11 #include <rte_cryptodev.h> 12 #include <rte_malloc.h> 13 14 #include "fips_validation.h" 15 16 static int 17 get_file_line(void) 18 { 19 FILE *fp = info.fp_rd; 20 char *line = info.one_line_text; 21 int ret; 22 uint32_t loc = 0; 23 24 memset(line, 0, MAX_LINE_CHAR); 25 while ((ret = fgetc(fp)) != EOF) { 26 char c = (char)ret; 27 28 if (loc >= MAX_LINE_CHAR - 1) 29 return -ENOMEM; 30 if (c == '\n') 31 break; 32 line[loc++] = c; 33 } 34 35 if (ret == EOF) 36 return -EOF; 37 38 return 0; 39 } 40 41 int 42 fips_test_fetch_one_block(void) 43 { 44 size_t size; 45 int ret = 0; 46 uint32_t i; 47 48 for (i = 0; i < info.nb_vec_lines; i++) { 49 free(info.vec[i]); 50 info.vec[i] = NULL; 51 } 52 53 i = 0; 54 do { 55 if (i >= MAX_LINE_PER_VECTOR) { 56 ret = -ENOMEM; 57 goto error_exit; 58 } 59 60 ret = get_file_line(); 61 size = strlen(info.one_line_text); 62 if (size == 0) 63 break; 64 65 info.vec[i] = calloc(1, size + 5); 66 if (info.vec[i] == NULL) 67 goto error_exit; 68 69 strlcpy(info.vec[i], info.one_line_text, size + 1); 70 i++; 71 } while (ret == 0); 72 73 info.nb_vec_lines = i; 74 75 return ret; 76 77 error_exit: 78 for (i = 0; i < MAX_LINE_PER_VECTOR; i++) 79 if (info.vec[i] != NULL) { 80 free(info.vec[i]); 81 info.vec[i] = NULL; 82 } 83 84 info.nb_vec_lines = 0; 85 86 return -ENOMEM; 87 } 88 89 static void 90 fips_test_parse_version(void) 91 { 92 int len = strlen(info.vec[0]); 93 char *ptr = info.vec[0]; 94 95 info.version = strtof(ptr + len - 4, NULL); 96 } 97 98 static int 99 fips_test_parse_header(void) 100 { 101 uint32_t i; 102 char *tmp; 103 int ret; 104 int algo_parsed = 0; 105 time_t t = time(NULL); 106 struct tm *tm_now = localtime(&t); 107 108 ret = fips_test_fetch_one_block(); 109 if (ret < 0) 110 return ret; 111 112 if (info.nb_vec_lines) 113 fips_test_parse_version(); 114 115 for (i = 0; i < info.nb_vec_lines; i++) { 116 if (!algo_parsed) { 117 if (strstr(info.vec[i], "AES")) { 118 algo_parsed = 1; 119 info.algo = FIPS_TEST_ALGO_AES; 120 ret = parse_test_aes_init(); 121 if (ret < 0) 122 return ret; 123 } else if (strstr(info.vec[i], "GCM")) { 124 algo_parsed = 1; 125 info.algo = FIPS_TEST_ALGO_AES_GCM; 126 ret = parse_test_gcm_init(); 127 if (ret < 0) 128 return ret; 129 } else if (strstr(info.vec[i], "CMAC")) { 130 algo_parsed = 1; 131 info.algo = FIPS_TEST_ALGO_AES_CMAC; 132 ret = parse_test_cmac_init(); 133 if (ret < 0) 134 return 0; 135 } else if (strstr(info.vec[i], "CCM")) { 136 algo_parsed = 1; 137 info.algo = FIPS_TEST_ALGO_AES_CCM; 138 ret = parse_test_ccm_init(); 139 if (ret < 0) 140 return 0; 141 } else if (strstr(info.vec[i], "HMAC")) { 142 algo_parsed = 1; 143 info.algo = FIPS_TEST_ALGO_HMAC; 144 ret = parse_test_hmac_init(); 145 if (ret < 0) 146 return ret; 147 } else if (strstr(info.vec[i], "TDES")) { 148 algo_parsed = 1; 149 info.algo = FIPS_TEST_ALGO_TDES; 150 ret = parse_test_tdes_init(); 151 if (ret < 0) 152 return 0; 153 } else if (strstr(info.vec[i], "PERMUTATION")) { 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], "VARIABLE")) { 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], "SUBSTITUTION")) { 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], "SHA-")) { 172 algo_parsed = 1; 173 info.algo = FIPS_TEST_ALGO_SHA; 174 ret = parse_test_sha_init(); 175 if (ret < 0) 176 return ret; 177 } else if (strstr(info.vec[i], "XTS")) { 178 algo_parsed = 1; 179 info.algo = FIPS_TEST_ALGO_AES_XTS; 180 ret = parse_test_xts_init(); 181 if (ret < 0) 182 return ret; 183 } 184 } 185 186 tmp = strstr(info.vec[i], "# Config info for "); 187 if (tmp != NULL) { 188 fprintf(info.fp_wr, "%s%s\n", "# Config info for DPDK Cryptodev ", 189 info.device_name); 190 continue; 191 } 192 193 tmp = strstr(info.vec[i], "# HMAC information for "); 194 if (tmp != NULL) { 195 fprintf(info.fp_wr, "%s%s\n", "# HMAC information for " 196 "DPDK Cryptodev ", 197 info.device_name); 198 continue; 199 } 200 201 tmp = strstr(info.vec[i], "# Config Info for : "); 202 if (tmp != NULL) { 203 204 fprintf(info.fp_wr, "%s%s\n", "# Config Info for DPDK Cryptodev : ", 205 info.device_name); 206 continue; 207 } 208 209 tmp = strstr(info.vec[i], "# information for "); 210 if (tmp != NULL) { 211 212 char tmp_output[128] = {0}; 213 214 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1); 215 216 fprintf(info.fp_wr, "%s%s%s\n", tmp_output, 217 "information for DPDK Cryptodev ", 218 info.device_name); 219 continue; 220 } 221 222 tmp = strstr(info.vec[i], " test information for "); 223 if (tmp != NULL) { 224 char tmp_output[128] = {0}; 225 226 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1); 227 228 fprintf(info.fp_wr, "%s%s%s\n", tmp_output, 229 "test information for DPDK Cryptodev ", 230 info.device_name); 231 continue; 232 } 233 234 tmp = strstr(info.vec[i], "\" information for \""); 235 if (tmp != NULL) { 236 char tmp_output[128] = {0}; 237 238 strlcpy(tmp_output, info.vec[i], tmp - info.vec[i] + 1); 239 240 fprintf(info.fp_wr, "%s%s%s\n", tmp_output, 241 "\" information for DPDK Cryptodev ", 242 info.device_name); 243 continue; 244 } 245 246 if (i == info.nb_vec_lines - 1) { 247 /** update the time as current time, write to file */ 248 fprintf(info.fp_wr, "%s%s\n", "# Generated on ", 249 asctime(tm_now)); 250 continue; 251 } 252 253 /* to this point, no field need to update, 254 * only copy to rsp file 255 */ 256 fprintf(info.fp_wr, "%s\n", info.vec[i]); 257 } 258 259 return 0; 260 } 261 262 static int 263 parse_file_type(const char *path) 264 { 265 const char *tmp = path + strlen(path) - 3; 266 267 if (strstr(tmp, REQ_FILE_PREFIX)) 268 info.file_type = FIPS_TYPE_REQ; 269 else if (strstr(tmp, RSP_FILE_PREFIX)) 270 info.file_type = FIPS_TYPE_RSP; 271 else if (strstr(path, FAX_FILE_PREFIX)) 272 info.file_type = FIPS_TYPE_FAX; 273 else if (strstr(path, JSON_FILE_PREFIX)) 274 info.file_type = FIPS_TYPE_JSON; 275 else 276 return -EINVAL; 277 278 return 0; 279 } 280 281 int 282 fips_test_init(const char *req_file_path, const char *rsp_file_path, 283 const char *device_name) 284 { 285 if (strcmp(req_file_path, rsp_file_path) == 0) { 286 RTE_LOG(ERR, USER1, "File paths cannot be the same\n"); 287 return -EINVAL; 288 } 289 290 fips_test_clear(); 291 292 if (rte_strscpy(info.file_name, req_file_path, 293 sizeof(info.file_name)) < 0) { 294 RTE_LOG(ERR, USER1, "Path %s too long\n", req_file_path); 295 return -EINVAL; 296 } 297 info.algo = FIPS_TEST_ALGO_MAX; 298 if (parse_file_type(req_file_path) < 0) { 299 RTE_LOG(ERR, USER1, "File %s type not supported\n", 300 req_file_path); 301 return -EINVAL; 302 } 303 304 info.fp_rd = fopen(req_file_path, "r"); 305 if (!info.fp_rd) { 306 RTE_LOG(ERR, USER1, "Cannot open file %s\n", req_file_path); 307 return -EINVAL; 308 } 309 310 if (info.file_type == FIPS_TYPE_JSON) { 311 #ifdef USE_JANSSON 312 json_error_t error; 313 json_info.json_root = json_loadf(info.fp_rd, 0, &error); 314 if (!json_info.json_root) { 315 RTE_LOG(ERR, USER1, "Cannot parse json file %s (line %d, column %d)\n", 316 req_file_path, error.line, error.column); 317 return -EINVAL; 318 } 319 #else /* USE_JANSSON */ 320 RTE_LOG(ERR, USER1, "No json library configured.\n"); 321 return -EINVAL; 322 #endif /* USE_JANSSON */ 323 } 324 325 info.fp_wr = fopen(rsp_file_path, "w"); 326 if (!info.fp_wr) { 327 RTE_LOG(ERR, USER1, "Cannot open file %s\n", rsp_file_path); 328 return -EINVAL; 329 } 330 331 info.one_line_text = calloc(1, MAX_LINE_CHAR); 332 if (!info.one_line_text) { 333 RTE_LOG(ERR, USER1, "Insufficient memory\n"); 334 return -ENOMEM; 335 } 336 337 if (rte_strscpy(info.device_name, device_name, 338 sizeof(info.device_name)) < 0) { 339 RTE_LOG(ERR, USER1, "Device name %s too long\n", device_name); 340 return -EINVAL; 341 } 342 343 if (info.file_type == FIPS_TYPE_JSON) 344 return 0; 345 346 if (fips_test_parse_header() < 0) { 347 RTE_LOG(ERR, USER1, "Failed parsing header\n"); 348 return -1; 349 } 350 351 return 0; 352 } 353 354 void 355 fips_test_clear(void) 356 { 357 if (info.fp_rd) 358 fclose(info.fp_rd); 359 if (info.fp_wr) 360 fclose(info.fp_wr); 361 free(info.one_line_text); 362 if (info.nb_vec_lines) { 363 uint32_t i; 364 365 for (i = 0; i < info.nb_vec_lines; i++) 366 free(info.vec[i]); 367 } 368 369 memset(&info, 0, sizeof(info)); 370 } 371 372 int 373 fips_test_parse_one_case(void) 374 { 375 uint32_t i, j = 0; 376 uint32_t is_interim; 377 uint32_t interim_cnt = 0; 378 int ret; 379 380 info.vec_start_off = 0; 381 382 if (info.interim_callbacks) { 383 for (i = 0; i < info.nb_vec_lines; i++) { 384 is_interim = 0; 385 for (j = 0; info.interim_callbacks[j].key != NULL; j++) 386 if (strstr(info.vec[i], 387 info.interim_callbacks[j].key)) { 388 is_interim = 1; 389 390 ret = info.interim_callbacks[j].cb( 391 info.interim_callbacks[j].key, 392 info.vec[i], 393 info.interim_callbacks[j].val); 394 if (ret < 0) 395 return ret; 396 } 397 398 if (is_interim) 399 interim_cnt += 1; 400 } 401 } 402 403 if (interim_cnt) { 404 if (info.version == 21.4f) { 405 for (i = 0; i < interim_cnt; i++) 406 fprintf(info.fp_wr, "%s\n", info.vec[i]); 407 fprintf(info.fp_wr, "\n"); 408 409 if (info.nb_vec_lines == interim_cnt) 410 return 1; 411 } else { 412 for (i = 0; i < info.nb_vec_lines; i++) 413 fprintf(info.fp_wr, "%s\n", info.vec[i]); 414 fprintf(info.fp_wr, "\n"); 415 return 1; 416 } 417 } 418 419 info.vec_start_off = interim_cnt; 420 421 for (i = info.vec_start_off; i < info.nb_vec_lines; i++) { 422 for (j = 0; info.callbacks[j].key != NULL; j++) 423 if (strstr(info.vec[i], info.callbacks[j].key)) { 424 ret = info.callbacks[j].cb( 425 info.callbacks[j].key, 426 info.vec[i], info.callbacks[j].val); 427 if (ret < 0) 428 return ret; 429 break; 430 } 431 } 432 433 return 0; 434 } 435 436 void 437 fips_test_write_one_case(void) 438 { 439 uint32_t i; 440 441 for (i = info.vec_start_off; i < info.nb_vec_lines; i++) 442 fprintf(info.fp_wr, "%s\n", info.vec[i]); 443 } 444 445 #ifdef USE_JANSSON 446 int 447 fips_test_parse_one_json_vector_set(void) 448 { 449 json_t *algo_obj = json_object_get(json_info.json_vector_set, "algorithm"); 450 const char *algo_str = json_string_value(algo_obj); 451 452 /* Vector sets contain the algorithm type, and nothing else we need. */ 453 if (strstr(algo_str, "AES-GCM")) 454 info.algo = FIPS_TEST_ALGO_AES_GCM; 455 else if (strstr(algo_str, "AES-CCM")) 456 info.algo = FIPS_TEST_ALGO_AES_CCM; 457 else if (strstr(algo_str, "AES-GMAC")) 458 info.algo = FIPS_TEST_ALGO_AES_GMAC; 459 else if (strstr(algo_str, "HMAC")) 460 info.algo = FIPS_TEST_ALGO_HMAC; 461 else if (strstr(algo_str, "CMAC")) 462 info.algo = FIPS_TEST_ALGO_AES_CMAC; 463 else if (strstr(algo_str, "AES-CBC")) 464 info.algo = FIPS_TEST_ALGO_AES_CBC; 465 else if (strstr(algo_str, "AES-XTS")) 466 info.algo = FIPS_TEST_ALGO_AES_XTS; 467 else if (strstr(algo_str, "AES-CTR")) 468 info.algo = FIPS_TEST_ALGO_AES_CTR; 469 else if (strstr(algo_str, "SHA")) 470 info.algo = FIPS_TEST_ALGO_SHA; 471 else if (strstr(algo_str, "TDES-CBC") || 472 strstr(algo_str, "TDES-ECB")) 473 info.algo = FIPS_TEST_ALGO_TDES; 474 else if (strstr(algo_str, "RSA")) 475 info.algo = FIPS_TEST_ALGO_RSA; 476 else if (strstr(algo_str, "ECDSA")) 477 info.algo = FIPS_TEST_ALGO_ECDSA; 478 else if (strstr(algo_str, "EDDSA")) 479 info.algo = FIPS_TEST_ALGO_EDDSA; 480 else 481 return -EINVAL; 482 483 return 0; 484 } 485 486 int 487 fips_test_parse_one_json_group(void) 488 { 489 int ret, i; 490 json_t *param; 491 492 if (info.interim_callbacks) { 493 char json_value[FIPS_TEST_JSON_BUF_LEN]; 494 for (i = 0; info.interim_callbacks[i].key != NULL; i++) { 495 param = json_object_get(json_info.json_test_group, 496 info.interim_callbacks[i].key); 497 if (!param) 498 continue; 499 500 switch (json_typeof(param)) { 501 case JSON_STRING: 502 snprintf(json_value, sizeof(json_value), "%s", 503 json_string_value(param)); 504 break; 505 506 case JSON_INTEGER: 507 snprintf(json_value, sizeof(json_value), "%"JSON_INTEGER_FORMAT, 508 json_integer_value(param)); 509 break; 510 511 default: 512 return -EINVAL; 513 } 514 515 ret = info.interim_callbacks[i].cb( 516 info.interim_callbacks[i].key, json_value, 517 info.interim_callbacks[i].val 518 ); 519 if (ret < 0) 520 return ret; 521 } 522 523 if (info.parse_interim_writeback) { 524 ret = info.parse_interim_writeback(NULL); 525 if (ret < 0) 526 return ret; 527 } 528 } 529 530 return 0; 531 } 532 533 int 534 fips_test_parse_one_json_case(void) 535 { 536 uint32_t i; 537 int ret = 0; 538 json_t *param; 539 540 for (i = 0; info.callbacks[i].key != NULL; i++) { 541 param = json_object_get(json_info.json_test_case, info.callbacks[i].key); 542 if (!param) 543 continue; 544 545 switch (json_typeof(param)) { 546 case JSON_STRING: 547 snprintf(info.one_line_text, MAX_LINE_CHAR, "%s", 548 json_string_value(param)); 549 break; 550 551 case JSON_INTEGER: 552 snprintf(info.one_line_text, MAX_LINE_CHAR, "%"JSON_INTEGER_FORMAT, 553 json_integer_value(param)); 554 break; 555 556 default: 557 return -EINVAL; 558 } 559 560 ret = info.callbacks[i].cb(info.callbacks[i].key, info.one_line_text, 561 info.callbacks[i].val); 562 if (ret < 0) 563 return ret; 564 } 565 566 return 0; 567 } 568 #endif /* USE_JANSSON */ 569 570 static int 571 parser_read_uint64_hex(uint64_t *value, const char *p) 572 { 573 char *next; 574 uint64_t val; 575 576 p = rte_str_skip_leading_spaces(p); 577 578 val = strtoul(p, &next, 16); 579 if (p == next) 580 return -EINVAL; 581 582 p = rte_str_skip_leading_spaces(next); 583 if (*p != '\0') 584 return -EINVAL; 585 586 *value = val; 587 return 0; 588 } 589 590 int 591 parser_read_uint8_hex(uint8_t *value, const char *p) 592 { 593 uint64_t val = 0; 594 int ret = parser_read_uint64_hex(&val, p); 595 596 if (ret < 0) 597 return ret; 598 599 if (val > UINT8_MAX) 600 return -ERANGE; 601 602 *value = val; 603 return 0; 604 } 605 606 int 607 parse_uint8_known_len_hex_str(const char *key, char *src, struct fips_val *val) 608 { 609 struct fips_val tmp_val = {0}; 610 uint32_t len = val->len; 611 int ret; 612 613 if (len == 0) { 614 if (val->val != NULL) { 615 rte_free(val->val); 616 val->val = NULL; 617 } 618 619 return 0; 620 } 621 622 ret = parse_uint8_hex_str(key, src, &tmp_val); 623 if (ret < 0) 624 return ret; 625 626 if (tmp_val.len == val->len) { 627 val->val = tmp_val.val; 628 return 0; 629 } 630 631 if (tmp_val.len < val->len) { 632 rte_free(tmp_val.val); 633 return -EINVAL; 634 } 635 636 val->val = rte_zmalloc(NULL, val->len, 0); 637 if (!val->val) { 638 rte_free(tmp_val.val); 639 memset(val, 0, sizeof(*val)); 640 return -ENOMEM; 641 } 642 643 memcpy(val->val, tmp_val.val, val->len); 644 rte_free(tmp_val.val); 645 646 return 0; 647 } 648 649 int 650 parse_uint8_hex_str(const char *key, char *src, struct fips_val *val) 651 { 652 uint32_t len, j; 653 654 #ifdef USE_JANSSON 655 /* 656 * Offset not applicable in case of JSON test vectors. 657 */ 658 if (info.file_type == FIPS_TYPE_JSON) { 659 RTE_SET_USED(key); 660 } else 661 #endif 662 src += strlen(key); 663 664 len = strlen(src) / 2; 665 666 if (val->val) { 667 rte_free(val->val); 668 val->val = NULL; 669 } 670 671 val->val = rte_zmalloc(NULL, len + 1, 0); 672 if (!val->val) 673 return -ENOMEM; 674 675 for (j = 0; j < len; j++) { 676 char byte[3] = {src[j * 2], src[j * 2 + 1], '\0'}; 677 678 if (parser_read_uint8_hex(&val->val[j], byte) < 0) { 679 rte_free(val->val); 680 memset(val, 0, sizeof(*val)); 681 return -EINVAL; 682 } 683 } 684 685 val->len = len; 686 687 return 0; 688 } 689 690 int 691 parser_read_uint32_val(const char *key, char *src, struct fips_val *val) 692 { 693 #ifdef USE_JANSSON 694 if (info.file_type == FIPS_TYPE_JSON) { 695 RTE_SET_USED(key); 696 697 return parser_read_uint32(&val->len, src); 698 } 699 # endif 700 char *data = src + strlen(key); 701 size_t data_len = strlen(data); 702 int ret; 703 704 if (data[data_len - 1] == ']') { 705 char *tmp_data = calloc(1, data_len + 1); 706 707 if (tmp_data == NULL) 708 return -ENOMEM; 709 710 strlcpy(tmp_data, data, data_len); 711 712 ret = parser_read_uint32(&val->len, tmp_data); 713 714 free(tmp_data); 715 } else 716 ret = parser_read_uint32(&val->len, data); 717 718 return ret; 719 } 720 721 int 722 parser_read_uint32_bit_val(const char *key, char *src, struct fips_val *val) 723 { 724 int ret; 725 726 ret = parser_read_uint32_val(key, src, val); 727 728 if (ret < 0) 729 return ret; 730 731 val->len /= 8; 732 733 return 0; 734 } 735 736 int 737 writeback_hex_str(const char *key, char *dst, struct fips_val *val) 738 { 739 char *str = dst; 740 uint32_t len; 741 742 str += strlen(key); 743 744 for (len = 0; len < val->len; len++) 745 snprintf(str + len * 2, 255, "%02x", val->val[len]); 746 747 return 0; 748 } 749 750 static int 751 parser_read_uint64(uint64_t *value, const char *p) 752 { 753 char *next; 754 uint64_t val; 755 756 p = rte_str_skip_leading_spaces(p); 757 if (!isdigit(*p)) 758 return -EINVAL; 759 760 val = strtoul(p, &next, 10); 761 if (p == next) 762 return -EINVAL; 763 764 p = next; 765 switch (*p) { 766 case 'T': 767 val *= 1024ULL; 768 /* fall through */ 769 case 'G': 770 val *= 1024ULL; 771 /* fall through */ 772 case 'M': 773 val *= 1024ULL; 774 /* fall through */ 775 case 'k': 776 case 'K': 777 val *= 1024ULL; 778 p++; 779 break; 780 } 781 782 p = rte_str_skip_leading_spaces(p); 783 if (*p != '\0') 784 return -EINVAL; 785 786 *value = val; 787 return 0; 788 } 789 790 int 791 parser_read_uint32(uint32_t *value, char *p) 792 { 793 uint64_t val = 0; 794 int ret = parser_read_uint64(&val, p); 795 796 if (ret < 0) 797 return ret; 798 799 if (val > UINT32_MAX) 800 return -EINVAL; 801 802 *value = val; 803 return 0; 804 } 805 806 int 807 parser_read_uint16(uint16_t *value, const char *p) 808 { 809 uint64_t val = 0; 810 int ret = parser_read_uint64(&val, p); 811 812 if (ret < 0) 813 return ret; 814 815 if (val > UINT16_MAX) 816 return -ERANGE; 817 818 *value = val; 819 return 0; 820 } 821 822 void 823 parse_write_hex_str(struct fips_val *src) 824 { 825 writeback_hex_str("", info.one_line_text, src); 826 827 fprintf(info.fp_wr, "%s\n", info.one_line_text); 828 } 829 830 int 831 update_info_vec(uint32_t count) 832 { 833 const struct fips_test_callback *cb; 834 uint32_t i, j; 835 836 if (!info.writeback_callbacks) 837 return -1; 838 839 cb = &info.writeback_callbacks[0]; 840 841 if ((info.version == 21.4f) && (!(strstr(info.vec[0], cb->key)))) { 842 fprintf(info.fp_wr, "%s%u\n", cb->key, count); 843 i = 0; 844 } else { 845 snprintf(info.vec[0], strlen(info.vec[0]) + 4, "%s%u", cb->key, 846 count); 847 i = 1; 848 } 849 850 for (; i < info.nb_vec_lines; i++) { 851 for (j = 1; info.writeback_callbacks[j].key != NULL; j++) { 852 cb = &info.writeback_callbacks[j]; 853 if (strstr(info.vec[i], cb->key)) { 854 cb->cb(cb->key, info.vec[i], cb->val); 855 break; 856 } 857 } 858 } 859 860 return 0; 861 } 862