apps.c revision 1.2
1 /* 2 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS) 11 /* 12 * On VMS, you need to define this to get the declaration of fileno(). The 13 * value 2 is to make sure no function defined in POSIX-2 is left undefined. 14 */ 15 # define _POSIX_C_SOURCE 2 16 #endif 17 18 #ifndef OPENSSL_NO_ENGINE 19 /* We need to use some deprecated APIs */ 20 # define OPENSSL_SUPPRESS_DEPRECATED 21 # include <openssl/engine.h> 22 #endif 23 24 #include <stdio.h> 25 #include <stdlib.h> 26 #include <string.h> 27 #include <sys/types.h> 28 #ifndef OPENSSL_NO_POSIX_IO 29 # include <sys/stat.h> 30 # include <fcntl.h> 31 #endif 32 #include <ctype.h> 33 #include <errno.h> 34 #include <openssl/err.h> 35 #include <openssl/x509.h> 36 #include <openssl/x509v3.h> 37 #include <openssl/http.h> 38 #include <openssl/pem.h> 39 #include <openssl/store.h> 40 #include <openssl/pkcs12.h> 41 #include <openssl/ui.h> 42 #include <openssl/safestack.h> 43 #include <openssl/rsa.h> 44 #include <openssl/rand.h> 45 #include <openssl/bn.h> 46 #include <openssl/ssl.h> 47 #include <openssl/core_names.h> 48 #include "s_apps.h" 49 #include "apps.h" 50 51 #include "internal/sockets.h" /* for openssl_fdset() */ 52 #include "internal/e_os.h" 53 54 #ifdef _WIN32 55 static int WIN32_rename(const char *from, const char *to); 56 # define rename(from, to) WIN32_rename((from), (to)) 57 #endif 58 59 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 60 # include <conio.h> 61 #endif 62 63 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__) 64 # define _kbhit kbhit 65 #endif 66 67 static BIO *bio_open_default_(const char *filename, char mode, int format, 68 int quiet); 69 70 #define PASS_SOURCE_SIZE_MAX 4 71 72 DEFINE_STACK_OF(CONF) 73 74 typedef struct { 75 const char *name; 76 unsigned long flag; 77 unsigned long mask; 78 } NAME_EX_TBL; 79 80 static int set_table_opts(unsigned long *flags, const char *arg, 81 const NAME_EX_TBL *in_tbl); 82 static int set_multi_opts(unsigned long *flags, const char *arg, 83 const NAME_EX_TBL *in_tbl); 84 int app_init(long mesgwin); 85 86 int chopup_args(ARGS *arg, char *buf) 87 { 88 int quoted; 89 char c = '\0', *p = NULL; 90 91 arg->argc = 0; 92 if (arg->size == 0) { 93 arg->size = 20; 94 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space"); 95 } 96 97 for (p = buf;;) { 98 /* Skip whitespace. */ 99 while (*p && isspace(_UC(*p))) 100 p++; 101 if (*p == '\0') 102 break; 103 104 /* The start of something good :-) */ 105 if (arg->argc >= arg->size) { 106 char **tmp; 107 108 arg->size += 20; 109 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size); 110 if (tmp == NULL) 111 return 0; 112 arg->argv = tmp; 113 } 114 quoted = *p == '\'' || *p == '"'; 115 if (quoted) 116 c = *p++; 117 arg->argv[arg->argc++] = p; 118 119 /* now look for the end of this */ 120 if (quoted) { 121 while (*p && *p != c) 122 p++; 123 *p++ = '\0'; 124 } else { 125 while (*p && !isspace(_UC(*p))) 126 p++; 127 if (*p) 128 *p++ = '\0'; 129 } 130 } 131 arg->argv[arg->argc] = NULL; 132 return 1; 133 } 134 135 #ifndef APP_INIT 136 int app_init(long mesgwin) 137 { 138 return 1; 139 } 140 #endif 141 142 int ctx_set_verify_locations(SSL_CTX *ctx, 143 const char *CAfile, int noCAfile, 144 const char *CApath, int noCApath, 145 const char *CAstore, int noCAstore) 146 { 147 if (CAfile == NULL && CApath == NULL && CAstore == NULL) { 148 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0) 149 return 0; 150 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0) 151 return 0; 152 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0) 153 return 0; 154 155 return 1; 156 } 157 158 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) 159 return 0; 160 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) 161 return 0; 162 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore)) 163 return 0; 164 return 1; 165 } 166 167 #ifndef OPENSSL_NO_CT 168 169 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path) 170 { 171 if (path == NULL) 172 return SSL_CTX_set_default_ctlog_list_file(ctx); 173 174 return SSL_CTX_set_ctlog_list_file(ctx, path); 175 } 176 177 #endif 178 179 static unsigned long nmflag = 0; 180 static char nmflag_set = 0; 181 182 int set_nameopt(const char *arg) 183 { 184 int ret = set_name_ex(&nmflag, arg); 185 186 if (ret) 187 nmflag_set = 1; 188 189 return ret; 190 } 191 192 unsigned long get_nameopt(void) 193 { 194 return 195 nmflag_set ? nmflag : XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN 196 | ASN1_STRFLGS_ESC_CTRL 197 | ASN1_STRFLGS_UTF8_CONVERT 198 | ASN1_STRFLGS_DUMP_UNKNOWN 199 | ASN1_STRFLGS_DUMP_DER; 200 } 201 202 void dump_cert_text(BIO *out, X509 *x) 203 { 204 print_name(out, "subject=", X509_get_subject_name(x)); 205 print_name(out, "issuer=", X509_get_issuer_name(x)); 206 } 207 208 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata) 209 { 210 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata); 211 } 212 213 static char *app_get_pass(const char *arg, int keepbio); 214 215 char *get_passwd(const char *pass, const char *desc) 216 { 217 char *result = NULL; 218 219 if (desc == NULL) 220 desc = "<unknown>"; 221 if (!app_passwd(pass, NULL, &result, NULL)) 222 BIO_printf(bio_err, "Error getting password for %s\n", desc); 223 if (pass != NULL && result == NULL) { 224 BIO_printf(bio_err, 225 "Trying plain input string (better precede with 'pass:')\n"); 226 result = OPENSSL_strdup(pass); 227 if (result == NULL) 228 BIO_printf(bio_err, 229 "Out of memory getting password for %s\n", desc); 230 } 231 return result; 232 } 233 234 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2) 235 { 236 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0; 237 238 if (arg1 != NULL) { 239 *pass1 = app_get_pass(arg1, same); 240 if (*pass1 == NULL) 241 return 0; 242 } else if (pass1 != NULL) { 243 *pass1 = NULL; 244 } 245 if (arg2 != NULL) { 246 *pass2 = app_get_pass(arg2, same ? 2 : 0); 247 if (*pass2 == NULL) 248 return 0; 249 } else if (pass2 != NULL) { 250 *pass2 = NULL; 251 } 252 return 1; 253 } 254 255 static char *app_get_pass(const char *arg, int keepbio) 256 { 257 static BIO *pwdbio = NULL; 258 char *tmp, tpass[APP_PASS_LEN]; 259 int i; 260 261 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */ 262 if (CHECK_AND_SKIP_PREFIX(arg, "pass:")) 263 return OPENSSL_strdup(arg); 264 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) { 265 tmp = getenv(arg); 266 if (tmp == NULL) { 267 BIO_printf(bio_err, "No environment variable %s\n", arg); 268 return NULL; 269 } 270 return OPENSSL_strdup(tmp); 271 } 272 if (!keepbio || pwdbio == NULL) { 273 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) { 274 pwdbio = BIO_new_file(arg, "r"); 275 if (pwdbio == NULL) { 276 BIO_printf(bio_err, "Can't open file %s\n", arg); 277 return NULL; 278 } 279 #if !defined(_WIN32) 280 /* 281 * Under _WIN32, which covers even Win64 and CE, file 282 * descriptors referenced by BIO_s_fd are not inherited 283 * by child process and therefore below is not an option. 284 * It could have been an option if bss_fd.c was operating 285 * on real Windows descriptors, such as those obtained 286 * with CreateFile. 287 */ 288 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) { 289 BIO *btmp; 290 291 i = atoi(arg); 292 if (i >= 0) 293 pwdbio = BIO_new_fd(i, BIO_NOCLOSE); 294 if ((i < 0) || pwdbio == NULL) { 295 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg); 296 return NULL; 297 } 298 /* 299 * Can't do BIO_gets on an fd BIO so add a buffering BIO 300 */ 301 btmp = BIO_new(BIO_f_buffer()); 302 if (btmp == NULL) { 303 BIO_free_all(pwdbio); 304 pwdbio = NULL; 305 BIO_printf(bio_err, "Out of memory\n"); 306 return NULL; 307 } 308 pwdbio = BIO_push(btmp, pwdbio); 309 #endif 310 } else if (strcmp(arg, "stdin") == 0) { 311 unbuffer(stdin); 312 pwdbio = dup_bio_in(FORMAT_TEXT); 313 if (pwdbio == NULL) { 314 BIO_printf(bio_err, "Can't open BIO for stdin\n"); 315 return NULL; 316 } 317 } else { 318 /* argument syntax error; do not reveal too much about arg */ 319 tmp = strchr(arg, ':'); 320 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX) 321 BIO_printf(bio_err, 322 "Invalid password argument, missing ':' within the first %d chars\n", 323 PASS_SOURCE_SIZE_MAX + 1); 324 else 325 BIO_printf(bio_err, 326 "Invalid password argument, starting with \"%.*s\"\n", 327 (int)(tmp - arg + 1), arg); 328 return NULL; 329 } 330 } 331 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN); 332 if (keepbio != 1) { 333 BIO_free_all(pwdbio); 334 pwdbio = NULL; 335 } 336 if (i <= 0) { 337 BIO_printf(bio_err, "Error reading password from BIO\n"); 338 return NULL; 339 } 340 tmp = strchr(tpass, '\n'); 341 if (tmp != NULL) 342 *tmp = 0; 343 return OPENSSL_strdup(tpass); 344 } 345 346 char *app_conf_try_string(const CONF *conf, const char *group, const char *name) 347 { 348 char *res; 349 350 ERR_set_mark(); 351 res = NCONF_get_string(conf, group, name); 352 if (res == NULL) 353 ERR_pop_to_mark(); 354 else 355 ERR_clear_last_mark(); 356 return res; 357 } 358 359 int app_conf_try_number(const CONF *conf, const char *group, const char *name, 360 long *result) 361 { 362 int ok; 363 364 ERR_set_mark(); 365 ok = NCONF_get_number(conf, group, name, result); 366 if (!ok) 367 ERR_pop_to_mark(); 368 else 369 ERR_clear_last_mark(); 370 return ok; 371 } 372 373 CONF *app_load_config_bio(BIO *in, const char *filename) 374 { 375 long errorline = -1; 376 CONF *conf; 377 int i; 378 379 conf = NCONF_new_ex(app_get0_libctx(), NULL); 380 i = NCONF_load_bio(conf, in, &errorline); 381 if (i > 0) 382 return conf; 383 384 if (errorline <= 0) { 385 BIO_printf(bio_err, "%s: Can't load ", opt_getprog()); 386 } else { 387 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(), 388 errorline); 389 } 390 if (filename != NULL) 391 BIO_printf(bio_err, "config file \"%s\"\n", filename); 392 else 393 BIO_printf(bio_err, "config input"); 394 395 NCONF_free(conf); 396 return NULL; 397 } 398 399 CONF *app_load_config_verbose(const char *filename, int verbose) 400 { 401 if (verbose) { 402 if (*filename == '\0') 403 BIO_printf(bio_err, "No configuration used\n"); 404 else 405 BIO_printf(bio_err, "Using configuration from %s\n", filename); 406 } 407 return app_load_config_internal(filename, 0); 408 } 409 410 CONF *app_load_config_internal(const char *filename, int quiet) 411 { 412 BIO *in; 413 CONF *conf; 414 415 if (filename == NULL || *filename != '\0') { 416 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL) 417 return NULL; 418 conf = app_load_config_bio(in, filename); 419 BIO_free(in); 420 } else { 421 /* Return empty config if filename is empty string. */ 422 conf = NCONF_new_ex(app_get0_libctx(), NULL); 423 } 424 return conf; 425 } 426 427 int app_load_modules(const CONF *config) 428 { 429 CONF *to_free = NULL; 430 431 if (config == NULL) 432 config = to_free = app_load_config_quiet(default_config_file); 433 if (config == NULL) 434 return 1; 435 436 if (CONF_modules_load(config, NULL, 0) <= 0) { 437 BIO_printf(bio_err, "Error configuring OpenSSL modules\n"); 438 ERR_print_errors(bio_err); 439 NCONF_free(to_free); 440 return 0; 441 } 442 NCONF_free(to_free); 443 return 1; 444 } 445 446 int add_oid_section(CONF *conf) 447 { 448 char *p; 449 STACK_OF(CONF_VALUE) *sktmp; 450 CONF_VALUE *cnf; 451 int i; 452 453 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL) 454 return 1; 455 if ((sktmp = NCONF_get_section(conf, p)) == NULL) { 456 BIO_printf(bio_err, "problem loading oid section %s\n", p); 457 return 0; 458 } 459 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 460 cnf = sk_CONF_VALUE_value(sktmp, i); 461 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 462 BIO_printf(bio_err, "problem creating object %s=%s\n", 463 cnf->name, cnf->value); 464 return 0; 465 } 466 } 467 return 1; 468 } 469 470 CONF *app_load_config_modules(const char *configfile) 471 { 472 CONF *conf = NULL; 473 474 if (configfile != NULL) { 475 if ((conf = app_load_config_verbose(configfile, 1)) == NULL) 476 return NULL; 477 if (configfile != default_config_file && !app_load_modules(conf)) { 478 NCONF_free(conf); 479 conf = NULL; 480 } 481 } 482 return conf; 483 } 484 485 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX)) 486 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX)) 487 488 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin, 489 const char *pass, const char *desc) 490 { 491 X509 *cert = NULL; 492 493 if (desc == NULL) 494 desc = "certificate"; 495 if (IS_HTTPS(uri)) { 496 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 497 } else if (IS_HTTP(uri)) { 498 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */); 499 if (cert == NULL) { 500 ERR_print_errors(bio_err); 501 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); 502 } 503 } else { 504 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, 505 NULL, NULL, NULL, &cert, NULL, NULL, NULL); 506 } 507 return cert; 508 } 509 510 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin, 511 const char *desc) 512 { 513 X509_CRL *crl = NULL; 514 515 if (desc == NULL) 516 desc = "CRL"; 517 if (IS_HTTPS(uri)) { 518 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 519 } else if (IS_HTTP(uri)) { 520 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */); 521 if (crl == NULL) { 522 ERR_print_errors(bio_err); 523 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); 524 } 525 } else { 526 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0, 527 NULL, NULL, NULL, NULL, NULL, &crl, NULL); 528 } 529 return crl; 530 } 531 532 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */ 533 X509_REQ *load_csr(const char *file, int format, const char *desc) 534 { 535 X509_REQ *req = NULL; 536 BIO *in; 537 538 if (format == FORMAT_UNDEF) 539 format = FORMAT_PEM; 540 in = bio_open_default(file, 'r', format); 541 if (in == NULL) 542 goto end; 543 544 if (format == FORMAT_ASN1) 545 req = d2i_X509_REQ_bio(in, NULL); 546 else if (format == FORMAT_PEM) 547 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 548 else 549 print_format_error(format, OPT_FMT_PEMDER); 550 551 end: 552 if (req == NULL) { 553 ERR_print_errors(bio_err); 554 if (desc != NULL) 555 BIO_printf(bio_err, "Unable to load %s\n", desc); 556 } 557 BIO_free(in); 558 return req; 559 } 560 561 /* Better extend OSSL_STORE to support CSRs, see FR #15725 */ 562 X509_REQ *load_csr_autofmt(const char *infile, int format, 563 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc) 564 { 565 X509_REQ *csr; 566 567 if (format != FORMAT_UNDEF) { 568 csr = load_csr(infile, format, desc); 569 } else { /* try PEM, then DER */ 570 BIO *bio_bak = bio_err; 571 572 bio_err = NULL; /* do not show errors on more than one try */ 573 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */); 574 bio_err = bio_bak; 575 if (csr == NULL) { 576 ERR_clear_error(); 577 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */); 578 } 579 if (csr == NULL) { 580 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", 581 desc, infile); 582 } 583 } 584 if (csr != NULL) { 585 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr); 586 int ret = do_X509_REQ_verify(csr, pkey, vfyopts); 587 588 if (pkey == NULL || ret < 0) 589 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n"); 590 else if (ret == 0) 591 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n"); 592 return csr; 593 } 594 return csr; 595 } 596 597 void cleanse(char *str) 598 { 599 if (str != NULL) 600 OPENSSL_cleanse(str, strlen(str)); 601 } 602 603 void clear_free(char *str) 604 { 605 if (str != NULL) 606 OPENSSL_clear_free(str, strlen(str)); 607 } 608 609 EVP_PKEY *load_key(const char *uri, int format, int may_stdin, 610 const char *pass, ENGINE *e, const char *desc) 611 { 612 EVP_PKEY *pkey = NULL; 613 char *allocated_uri = NULL; 614 615 if (desc == NULL) 616 desc = "private key"; 617 618 if (format == FORMAT_ENGINE) 619 uri = allocated_uri = make_engine_uri(e, uri, desc); 620 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0, 621 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 622 623 OPENSSL_free(allocated_uri); 624 return pkey; 625 } 626 627 /* first try reading public key, on failure resort to loading private key */ 628 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin, 629 const char *pass, ENGINE *e, const char *desc) 630 { 631 EVP_PKEY *pkey = NULL; 632 char *allocated_uri = NULL; 633 634 if (desc == NULL) 635 desc = "public key"; 636 637 if (format == FORMAT_ENGINE) 638 uri = allocated_uri = make_engine_uri(e, uri, desc); 639 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1, 640 NULL, &pkey, NULL, NULL, NULL, NULL, NULL); 641 if (pkey == NULL) 642 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, 643 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 644 OPENSSL_free(allocated_uri); 645 return pkey; 646 } 647 648 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin, 649 const char *keytype, const char *desc, 650 int suppress_decode_errors) 651 { 652 EVP_PKEY *params = NULL; 653 654 if (desc == NULL) 655 desc = "key parameters"; 656 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 657 suppress_decode_errors, 658 NULL, NULL, ¶ms, NULL, NULL, NULL, NULL); 659 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) { 660 ERR_print_errors(bio_err); 661 BIO_printf(bio_err, 662 "Unable to load %s from %s (unexpected parameters type)\n", 663 desc, uri); 664 EVP_PKEY_free(params); 665 params = NULL; 666 } 667 return params; 668 } 669 670 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin, 671 const char *keytype, const char *desc) 672 { 673 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0); 674 } 675 676 void app_bail_out(const char *fmt, ...) 677 { 678 va_list args; 679 680 va_start(args, fmt); 681 BIO_vprintf(bio_err, fmt, args); 682 va_end(args); 683 ERR_print_errors(bio_err); 684 exit(EXIT_FAILURE); 685 } 686 687 void *app_malloc(size_t sz, const char *what) 688 { 689 void *vp = OPENSSL_malloc(sz); 690 691 if (vp == NULL) 692 app_bail_out("%s: Could not allocate %zu bytes for %s\n", 693 opt_getprog(), sz, what); 694 return vp; 695 } 696 697 char *next_item(char *opt) /* in list separated by comma and/or space */ 698 { 699 /* advance to separator (comma or whitespace), if any */ 700 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0') 701 opt++; 702 if (*opt != '\0') { 703 /* terminate current item */ 704 *opt++ = '\0'; 705 /* skip over any whitespace after separator */ 706 while (isspace(_UC(*opt))) 707 opt++; 708 } 709 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */ 710 } 711 712 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg) 713 { 714 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0); 715 716 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n", 717 uri, subj, msg); 718 OPENSSL_free(subj); 719 } 720 721 static void warn_cert(const char *uri, X509 *cert, int warn_EE, 722 X509_VERIFY_PARAM *vpm) 723 { 724 uint32_t ex_flags = X509_get_extension_flags(cert); 725 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert), 726 X509_get0_notAfter(cert)); 727 728 if (res != 0) 729 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid"); 730 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0) 731 warn_cert_msg(uri, cert, "is not a CA cert"); 732 } 733 734 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE, 735 X509_VERIFY_PARAM *vpm) 736 { 737 int i; 738 739 for (i = 0; i < sk_X509_num(certs); i++) 740 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm); 741 } 742 743 int load_cert_certs(const char *uri, 744 X509 **pcert, STACK_OF(X509) **pcerts, 745 int exclude_http, const char *pass, const char *desc, 746 X509_VERIFY_PARAM *vpm) 747 { 748 int ret = 0; 749 char *pass_string; 750 751 if (desc == NULL) 752 desc = pcerts == NULL ? "certificate" : "certificates"; 753 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://") 754 || HAS_CASE_PREFIX(uri, "https://"))) { 755 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc); 756 return ret; 757 } 758 pass_string = get_passwd(pass, desc); 759 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0, 760 NULL, NULL, NULL, pcert, pcerts, NULL, NULL); 761 clear_free(pass_string); 762 763 if (ret) { 764 if (pcert != NULL) 765 warn_cert(uri, *pcert, 0, vpm); 766 if (pcerts != NULL) 767 warn_certs(uri, *pcerts, 1, vpm); 768 } else { 769 if (pcerts != NULL) { 770 OSSL_STACK_OF_X509_free(*pcerts); 771 *pcerts = NULL; 772 } 773 } 774 return ret; 775 } 776 777 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass, 778 const char *desc, X509_VERIFY_PARAM *vpm) 779 { 780 STACK_OF(X509) *certs = NULL; 781 STACK_OF(X509) *result = sk_X509_new_null(); 782 783 if (files == NULL) 784 goto err; 785 if (result == NULL) 786 goto oom; 787 788 while (files != NULL) { 789 char *next = next_item(files); 790 791 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm)) 792 goto err; 793 if (!X509_add_certs(result, certs, 794 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP)) 795 goto oom; 796 OSSL_STACK_OF_X509_free(certs); 797 certs = NULL; 798 files = next; 799 } 800 return result; 801 802 oom: 803 BIO_printf(bio_err, "out of memory\n"); 804 err: 805 OSSL_STACK_OF_X509_free(certs); 806 OSSL_STACK_OF_X509_free(result); 807 return NULL; 808 } 809 810 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */, 811 const STACK_OF(X509) *certs /* may NULL */) 812 { 813 int i; 814 815 if (store == NULL) 816 store = X509_STORE_new(); 817 if (store == NULL) 818 return NULL; 819 for (i = 0; i < sk_X509_num(certs); i++) { 820 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) { 821 X509_STORE_free(store); 822 return NULL; 823 } 824 } 825 return store; 826 } 827 828 /* 829 * Create cert store structure with certificates read from given file(s). 830 * Returns pointer to created X509_STORE on success, NULL on error. 831 */ 832 X509_STORE *load_certstore(char *input, const char *pass, const char *desc, 833 X509_VERIFY_PARAM *vpm) 834 { 835 X509_STORE *store = NULL; 836 STACK_OF(X509) *certs = NULL; 837 838 while (input != NULL) { 839 char *next = next_item(input); 840 int ok; 841 842 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) { 843 X509_STORE_free(store); 844 return NULL; 845 } 846 ok = (store = sk_X509_to_store(store, certs)) != NULL; 847 OSSL_STACK_OF_X509_free(certs); 848 certs = NULL; 849 if (!ok) 850 return NULL; 851 input = next; 852 } 853 return store; 854 } 855 856 /* 857 * Initialize or extend, if *certs != NULL, a certificate stack. 858 * The caller is responsible for freeing *certs if its value is left not NULL. 859 */ 860 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs, 861 const char *pass, const char *desc) 862 { 863 int ret, was_NULL = *certs == NULL; 864 865 if (desc == NULL) 866 desc = "certificates"; 867 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0, 868 NULL, NULL, NULL, NULL, certs, NULL, NULL); 869 870 if (!ret && was_NULL) { 871 OSSL_STACK_OF_X509_free(*certs); 872 *certs = NULL; 873 } 874 return ret; 875 } 876 877 /* 878 * Initialize or extend, if *crls != NULL, a certificate stack. 879 * The caller is responsible for freeing *crls if its value is left not NULL. 880 */ 881 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls, 882 const char *pass, const char *desc) 883 { 884 int ret, was_NULL = *crls == NULL; 885 886 if (desc == NULL) 887 desc = "CRLs"; 888 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0, 889 NULL, NULL, NULL, NULL, NULL, NULL, crls); 890 891 if (!ret && was_NULL) { 892 sk_X509_CRL_pop_free(*crls, X509_CRL_free); 893 *crls = NULL; 894 } 895 return ret; 896 } 897 898 static const char *format2string(int format) 899 { 900 switch (format) { 901 case FORMAT_PEM: 902 return "PEM"; 903 case FORMAT_ASN1: 904 return "DER"; 905 case FORMAT_PVK: 906 return "PVK"; 907 case FORMAT_MSBLOB: 908 return "MSBLOB"; 909 } 910 return NULL; 911 } 912 913 /* Set type expectation, but set to 0 if objects of multiple types expected. */ 914 #define SET_EXPECT(val) \ 915 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0)) 916 #define SET_EXPECT1(pvar, val) \ 917 if ((pvar) != NULL) { \ 918 *(pvar) = NULL; \ 919 SET_EXPECT(val); \ 920 } 921 /* Provide (error msg) text for some of the credential types to be loaded. */ 922 #define FAIL_NAME \ 923 (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" : \ 924 pparams != NULL ? "key parameters" : \ 925 pcert != NULL ? "certificate" : pcerts != NULL ? "certificates" : \ 926 pcrl != NULL ? "CRL" : pcrls != NULL ? "CRLs" : NULL) 927 /* 928 * Load those types of credentials for which the result pointer is not NULL. 929 * Reads from stdin if 'uri' is NULL and 'maybe_stdin' is nonzero. 930 * 'format' parameter may be FORMAT_PEM, FORMAT_ASN1, or 0 for no hint. 931 * desc may contain more detail on the credential(s) to be loaded for error msg 932 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded. 933 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated. 934 * If pcerts is non-NULL then all available certificates are appended to *pcerts 935 * except any certificate assigned to *pcert. 936 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated. 937 * If pcrls is non-NULL then all available CRLs are appended to *pcerts 938 * except any CRL assigned to *pcrl. 939 * In any case (also on error) the caller is responsible for freeing all members 940 * of *pcerts and *pcrls (as far as they are not NULL). 941 */ 942 int load_key_certs_crls(const char *uri, int format, int maybe_stdin, 943 const char *pass, const char *desc, int quiet, 944 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 945 EVP_PKEY **pparams, 946 X509 **pcert, STACK_OF(X509) **pcerts, 947 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) 948 { 949 PW_CB_DATA uidata; 950 OSSL_STORE_CTX *ctx = NULL; 951 OSSL_LIB_CTX *libctx = app_get0_libctx(); 952 const char *propq = app_get0_propq(); 953 int ncerts = 0, ncrls = 0, expect = -1; 954 const char *failed = FAIL_NAME; 955 const char *input_type; 956 OSSL_PARAM itp[2]; 957 const OSSL_PARAM *params = NULL; 958 959 /* 'failed' describes type of credential to load for potential error msg */ 960 if (failed == NULL) { 961 if (!quiet) 962 BIO_printf(bio_err, "Internal error: nothing was requested to load from %s\n", 963 uri != NULL ? uri : "<stdin>"); 964 return 0; 965 } 966 /* suppress any extraneous errors left over from failed parse attempts */ 967 ERR_set_mark(); 968 969 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY); 970 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY); 971 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS); 972 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT); 973 /* 974 * Up to here, the follwing holds. 975 * If just one of the ppkey, ppubkey, pparams, and pcert function parameters 976 * is nonzero, expect > 0 indicates which type of credential is expected. 977 * If expect == 0, more than one of them is nonzero (multiple types expected). 978 */ 979 980 if (pcerts != NULL) { 981 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) { 982 if (!quiet) 983 BIO_printf(bio_err, "Out of memory loading"); 984 goto end; 985 } 986 /* 987 * Adapt the 'expect' variable: 988 * set to OSSL_STORE_INFO_CERT if no other type is expected so far, 989 * otherwise set to 0 (indicating that multiple types are expected). 990 */ 991 SET_EXPECT(OSSL_STORE_INFO_CERT); 992 } 993 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL); 994 if (pcrls != NULL) { 995 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) { 996 if (!quiet) 997 BIO_printf(bio_err, "Out of memory loading"); 998 goto end; 999 } 1000 /* 1001 * Adapt the 'expect' variable: 1002 * set to OSSL_STORE_INFO_CRL if no other type is expected so far, 1003 * otherwise set to 0 (indicating that multiple types are expected). 1004 */ 1005 SET_EXPECT(OSSL_STORE_INFO_CRL); 1006 } 1007 1008 uidata.password = pass; 1009 uidata.prompt_info = uri; 1010 1011 if ((input_type = format2string(format)) != NULL) { 1012 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE, 1013 (char *)input_type, 0); 1014 itp[1] = OSSL_PARAM_construct_end(); 1015 params = itp; 1016 } 1017 1018 if (uri == NULL) { 1019 BIO *bio; 1020 1021 if (!maybe_stdin) { 1022 if (!quiet) 1023 BIO_printf(bio_err, "No filename or uri specified for loading\n"); 1024 goto end; 1025 } 1026 uri = "<stdin>"; 1027 unbuffer(stdin); 1028 bio = BIO_new_fp(stdin, 0); 1029 if (bio != NULL) { 1030 ctx = OSSL_STORE_attach(bio, "file", libctx, propq, 1031 get_ui_method(), &uidata, params, 1032 NULL, NULL); 1033 BIO_free(bio); 1034 } 1035 } else { 1036 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata, 1037 params, NULL, NULL); 1038 } 1039 if (ctx == NULL) { 1040 if (!quiet) 1041 BIO_printf(bio_err, "Could not open file or uri for loading"); 1042 goto end; 1043 } 1044 /* expect == 0 means here multiple types of credentials are to be loaded */ 1045 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) { 1046 if (!quiet) 1047 BIO_printf(bio_err, "Internal error trying to load"); 1048 goto end; 1049 } 1050 1051 failed = NULL; 1052 /* from here, failed != NULL only if actually an error has been detected */ 1053 1054 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL 1055 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL) 1056 && !OSSL_STORE_eof(ctx)) { 1057 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); 1058 int type, ok = 1; 1059 1060 /* 1061 * This can happen (for example) if we attempt to load a file with 1062 * multiple different types of things in it - but the thing we just 1063 * tried to load wasn't one of the ones we wanted, e.g. if we're trying 1064 * to load a certificate but the file has both the private key and the 1065 * certificate in it. We just retry until eof. 1066 */ 1067 if (info == NULL) { 1068 continue; 1069 } 1070 1071 type = OSSL_STORE_INFO_get_type(info); 1072 switch (type) { 1073 case OSSL_STORE_INFO_PKEY: 1074 if (ppkey != NULL) { 1075 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; 1076 if (ok) 1077 ppkey = NULL; 1078 break; 1079 } 1080 /* 1081 * An EVP_PKEY with private parts also holds the public parts, 1082 * so if the caller asked for a public key, and we got a private 1083 * key, we can still pass it back. 1084 */ 1085 /* fall through */ 1086 case OSSL_STORE_INFO_PUBKEY: 1087 if (ppubkey != NULL) { 1088 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL; 1089 if (ok) 1090 ppubkey = NULL; 1091 } 1092 break; 1093 case OSSL_STORE_INFO_PARAMS: 1094 if (pparams != NULL) { 1095 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL; 1096 if (ok) 1097 pparams = NULL; 1098 } 1099 break; 1100 case OSSL_STORE_INFO_CERT: 1101 if (pcert != NULL) { 1102 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; 1103 if (ok) 1104 pcert = NULL; 1105 } else if (pcerts != NULL) { 1106 ok = X509_add_cert(*pcerts, 1107 OSSL_STORE_INFO_get1_CERT(info), 1108 X509_ADD_FLAG_DEFAULT); 1109 } 1110 ncerts += ok; 1111 break; 1112 case OSSL_STORE_INFO_CRL: 1113 if (pcrl != NULL) { 1114 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1115 if (ok) 1116 pcrl = NULL; 1117 } else if (pcrls != NULL) { 1118 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); 1119 } 1120 ncrls += ok; 1121 break; 1122 default: 1123 /* skip any other type; ok stays == 1 */ 1124 break; 1125 } 1126 OSSL_STORE_INFO_free(info); 1127 if (!ok) { 1128 failed = OSSL_STORE_INFO_type_string(type); 1129 if (!quiet) 1130 BIO_printf(bio_err, "Error reading"); 1131 break; 1132 } 1133 } 1134 1135 end: 1136 OSSL_STORE_close(ctx); 1137 1138 /* see if any of the requested types of credentials was not found */ 1139 if (failed == NULL) { 1140 if (ncerts > 0) 1141 pcerts = NULL; 1142 if (ncrls > 0) 1143 pcrls = NULL; 1144 failed = FAIL_NAME; 1145 if (failed != NULL && !quiet) 1146 BIO_printf(bio_err, "Could not find"); 1147 } 1148 1149 if (failed != NULL && !quiet) { 1150 unsigned long err = ERR_peek_last_error(); 1151 1152 /* continue the error message with the type of credential affected */ 1153 if (desc != NULL && strstr(desc, failed) != NULL) { 1154 BIO_printf(bio_err, " %s", desc); 1155 } else { 1156 BIO_printf(bio_err, " %s", failed); 1157 if (desc != NULL) 1158 BIO_printf(bio_err, " of %s", desc); 1159 } 1160 if (uri != NULL) 1161 BIO_printf(bio_err, " from %s", uri); 1162 if (ERR_SYSTEM_ERROR(err)) { 1163 /* provide more readable diagnostic output */ 1164 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err))); 1165 ERR_pop_to_mark(); 1166 ERR_set_mark(); 1167 } 1168 BIO_printf(bio_err, "\n"); 1169 ERR_print_errors(bio_err); 1170 } 1171 if (quiet || failed == NULL) 1172 /* clear any suppressed or spurious errors */ 1173 ERR_pop_to_mark(); 1174 else 1175 ERR_clear_last_mark(); 1176 return failed == NULL; 1177 } 1178 1179 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1180 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */ 1181 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */ 1182 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */ 1183 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */ 1184 1185 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \ 1186 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1187 1188 int set_cert_ex(unsigned long *flags, const char *arg) 1189 { 1190 static const NAME_EX_TBL cert_tbl[] = { 1191 {"compatible", X509_FLAG_COMPAT, 0xffffffffl}, 1192 {"ca_default", X509_FLAG_CA, 0xffffffffl}, 1193 {"no_header", X509_FLAG_NO_HEADER, 0}, 1194 {"no_version", X509_FLAG_NO_VERSION, 0}, 1195 {"no_serial", X509_FLAG_NO_SERIAL, 0}, 1196 {"no_signame", X509_FLAG_NO_SIGNAME, 0}, 1197 {"no_validity", X509_FLAG_NO_VALIDITY, 0}, 1198 {"no_subject", X509_FLAG_NO_SUBJECT, 0}, 1199 {"no_issuer", X509_FLAG_NO_ISSUER, 0}, 1200 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0}, 1201 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0}, 1202 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0}, 1203 {"no_aux", X509_FLAG_NO_AUX, 0}, 1204 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0}, 1205 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK}, 1206 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1207 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1208 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1209 {NULL, 0, 0} 1210 }; 1211 return set_multi_opts(flags, arg, cert_tbl); 1212 } 1213 1214 int set_name_ex(unsigned long *flags, const char *arg) 1215 { 1216 static const NAME_EX_TBL ex_tbl[] = { 1217 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0}, 1218 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0}, 1219 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0}, 1220 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0}, 1221 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0}, 1222 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0}, 1223 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0}, 1224 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0}, 1225 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0}, 1226 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0}, 1227 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0}, 1228 {"compat", XN_FLAG_COMPAT, 0xffffffffL}, 1229 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK}, 1230 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK}, 1231 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK}, 1232 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK}, 1233 {"dn_rev", XN_FLAG_DN_REV, 0}, 1234 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK}, 1235 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK}, 1236 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK}, 1237 {"align", XN_FLAG_FN_ALIGN, 0}, 1238 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK}, 1239 {"space_eq", XN_FLAG_SPC_EQ, 0}, 1240 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0}, 1241 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL}, 1242 {"oneline", XN_FLAG_ONELINE, 0xffffffffL}, 1243 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL}, 1244 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL}, 1245 {NULL, 0, 0} 1246 }; 1247 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1248 return 0; 1249 if (*flags != XN_FLAG_COMPAT 1250 && (*flags & XN_FLAG_SEP_MASK) == 0) 1251 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1252 return 1; 1253 } 1254 1255 int set_dateopt(unsigned long *dateopt, const char *arg) 1256 { 1257 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1258 *dateopt = ASN1_DTFLGS_RFC822; 1259 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1260 *dateopt = ASN1_DTFLGS_ISO8601; 1261 else 1262 return 0; 1263 return 1; 1264 } 1265 1266 int set_ext_copy(int *copy_type, const char *arg) 1267 { 1268 if (OPENSSL_strcasecmp(arg, "none") == 0) 1269 *copy_type = EXT_COPY_NONE; 1270 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1271 *copy_type = EXT_COPY_ADD; 1272 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1273 *copy_type = EXT_COPY_ALL; 1274 else 1275 return 0; 1276 return 1; 1277 } 1278 1279 int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1280 { 1281 STACK_OF(X509_EXTENSION) *exts; 1282 int i, ret = 0; 1283 1284 if (x == NULL || req == NULL) 1285 return 0; 1286 if (copy_type == EXT_COPY_NONE) 1287 return 1; 1288 exts = X509_REQ_get_extensions(req); 1289 1290 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1291 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1292 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1293 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1294 1295 /* Does extension exist in target? */ 1296 if (idx != -1) { 1297 /* If normal copy don't override existing extension */ 1298 if (copy_type == EXT_COPY_ADD) 1299 continue; 1300 /* Delete all extensions of same type */ 1301 do { 1302 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1303 idx = X509_get_ext_by_OBJ(x, obj, -1); 1304 } while (idx != -1); 1305 } 1306 if (!X509_add_ext(x, ext, -1)) 1307 goto end; 1308 } 1309 ret = 1; 1310 1311 end: 1312 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1313 return ret; 1314 } 1315 1316 static int set_multi_opts(unsigned long *flags, const char *arg, 1317 const NAME_EX_TBL *in_tbl) 1318 { 1319 STACK_OF(CONF_VALUE) *vals; 1320 CONF_VALUE *val; 1321 int i, ret = 1; 1322 1323 if (!arg) 1324 return 0; 1325 vals = X509V3_parse_list(arg); 1326 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1327 val = sk_CONF_VALUE_value(vals, i); 1328 if (!set_table_opts(flags, val->name, in_tbl)) 1329 ret = 0; 1330 } 1331 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1332 return ret; 1333 } 1334 1335 static int set_table_opts(unsigned long *flags, const char *arg, 1336 const NAME_EX_TBL *in_tbl) 1337 { 1338 char c; 1339 const NAME_EX_TBL *ptbl; 1340 1341 c = arg[0]; 1342 if (c == '-') { 1343 c = 0; 1344 arg++; 1345 } else if (c == '+') { 1346 c = 1; 1347 arg++; 1348 } else { 1349 c = 1; 1350 } 1351 1352 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1353 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1354 *flags &= ~ptbl->mask; 1355 if (c) 1356 *flags |= ptbl->flag; 1357 else 1358 *flags &= ~ptbl->flag; 1359 return 1; 1360 } 1361 } 1362 return 0; 1363 } 1364 1365 void print_name(BIO *out, const char *title, const X509_NAME *nm) 1366 { 1367 char *buf; 1368 char mline = 0; 1369 int indent = 0; 1370 unsigned long lflags = get_nameopt(); 1371 1372 if (out == NULL) 1373 return; 1374 if (title != NULL) 1375 BIO_puts(out, title); 1376 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1377 mline = 1; 1378 indent = 4; 1379 } 1380 if (lflags == XN_FLAG_COMPAT) { 1381 buf = X509_NAME_oneline(nm, 0, 0); 1382 BIO_puts(out, buf); 1383 BIO_puts(out, "\n"); 1384 OPENSSL_free(buf); 1385 } else { 1386 if (mline) 1387 BIO_puts(out, "\n"); 1388 X509_NAME_print_ex(out, nm, indent, lflags); 1389 BIO_puts(out, "\n"); 1390 } 1391 } 1392 1393 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1394 int len, unsigned char *buffer) 1395 { 1396 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1397 if (BN_is_zero(in)) { 1398 BIO_printf(out, "\n 0x00"); 1399 } else { 1400 int i, l; 1401 1402 l = BN_bn2bin(in, buffer); 1403 for (i = 0; i < l; i++) { 1404 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1405 if (i < l - 1) 1406 BIO_printf(out, "0x%02X,", buffer[i]); 1407 else 1408 BIO_printf(out, "0x%02X", buffer[i]); 1409 } 1410 } 1411 BIO_printf(out, "\n };\n"); 1412 } 1413 1414 void print_array(BIO *out, const char *title, int len, const unsigned char *d) 1415 { 1416 int i; 1417 1418 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1419 for (i = 0; i < len; i++) { 1420 if ((i % 10) == 0) 1421 BIO_printf(out, "\n "); 1422 if (i < len - 1) 1423 BIO_printf(out, "0x%02X, ", d[i]); 1424 else 1425 BIO_printf(out, "0x%02X", d[i]); 1426 } 1427 BIO_printf(out, "\n};\n"); 1428 } 1429 1430 X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1431 const char *CApath, int noCApath, 1432 const char *CAstore, int noCAstore) 1433 { 1434 X509_STORE *store = X509_STORE_new(); 1435 X509_LOOKUP *lookup; 1436 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1437 const char *propq = app_get0_propq(); 1438 1439 if (store == NULL) 1440 goto end; 1441 1442 if (CAfile != NULL || !noCAfile) { 1443 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1444 if (lookup == NULL) 1445 goto end; 1446 if (CAfile != NULL) { 1447 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1448 libctx, propq) <= 0) { 1449 ERR_clear_error(); 1450 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1, 1451 libctx, propq) <= 0) { 1452 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1453 goto end; 1454 } 1455 } 1456 } else { 1457 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1458 libctx, propq); 1459 } 1460 } 1461 1462 if (CApath != NULL || !noCApath) { 1463 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1464 if (lookup == NULL) 1465 goto end; 1466 if (CApath != NULL) { 1467 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1468 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1469 goto end; 1470 } 1471 } else { 1472 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1473 } 1474 } 1475 1476 if (CAstore != NULL || !noCAstore) { 1477 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1478 if (lookup == NULL) 1479 goto end; 1480 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1481 if (CAstore != NULL) 1482 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1483 goto end; 1484 } 1485 } 1486 1487 ERR_clear_error(); 1488 return store; 1489 end: 1490 ERR_print_errors(bio_err); 1491 X509_STORE_free(store); 1492 return NULL; 1493 } 1494 1495 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1496 { 1497 const char *n; 1498 1499 n = a[DB_serial]; 1500 while (*n == '0') 1501 n++; 1502 return OPENSSL_LH_strhash(n); 1503 } 1504 1505 static int index_serial_cmp(const OPENSSL_CSTRING *a, 1506 const OPENSSL_CSTRING *b) 1507 { 1508 const char *aa, *bb; 1509 1510 for (aa = a[DB_serial]; *aa == '0'; aa++) ; 1511 for (bb = b[DB_serial]; *bb == '0'; bb++) ; 1512 return strcmp(aa, bb); 1513 } 1514 1515 static int index_name_qual(char **a) 1516 { 1517 return (a[0][0] == 'V'); 1518 } 1519 1520 static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1521 { 1522 return OPENSSL_LH_strhash(a[DB_name]); 1523 } 1524 1525 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1526 { 1527 return strcmp(a[DB_name], b[DB_name]); 1528 } 1529 1530 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1531 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1532 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1533 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1534 #undef BSIZE 1535 #define BSIZE 256 1536 BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1537 ASN1_INTEGER **retai) 1538 { 1539 BIO *in = NULL; 1540 BIGNUM *ret = NULL; 1541 char buf[1024]; 1542 ASN1_INTEGER *ai = NULL; 1543 1544 ai = ASN1_INTEGER_new(); 1545 if (ai == NULL) 1546 goto err; 1547 1548 in = BIO_new_file(serialfile, "r"); 1549 if (exists != NULL) 1550 *exists = in != NULL; 1551 if (in == NULL) { 1552 if (!create) { 1553 perror(serialfile); 1554 goto err; 1555 } 1556 ERR_clear_error(); 1557 ret = BN_new(); 1558 if (ret == NULL) { 1559 BIO_printf(bio_err, "Out of memory\n"); 1560 } else if (!rand_serial(ret, ai)) { 1561 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1562 serialfile); 1563 BN_free(ret); 1564 ret = NULL; 1565 } 1566 } else { 1567 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1568 BIO_printf(bio_err, "Unable to load number from %s\n", 1569 serialfile); 1570 goto err; 1571 } 1572 ret = ASN1_INTEGER_to_BN(ai, NULL); 1573 if (ret == NULL) { 1574 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1575 goto err; 1576 } 1577 } 1578 1579 if (ret != NULL && retai != NULL) { 1580 *retai = ai; 1581 ai = NULL; 1582 } 1583 err: 1584 if (ret == NULL) 1585 ERR_print_errors(bio_err); 1586 BIO_free(in); 1587 ASN1_INTEGER_free(ai); 1588 return ret; 1589 } 1590 1591 int save_serial(const char *serialfile, const char *suffix, 1592 const BIGNUM *serial, ASN1_INTEGER **retai) 1593 { 1594 char buf[1][BSIZE]; 1595 BIO *out = NULL; 1596 int ret = 0; 1597 ASN1_INTEGER *ai = NULL; 1598 int j; 1599 1600 if (suffix == NULL) 1601 j = strlen(serialfile); 1602 else 1603 j = strlen(serialfile) + strlen(suffix) + 1; 1604 if (j >= BSIZE) { 1605 BIO_printf(bio_err, "File name too long\n"); 1606 goto err; 1607 } 1608 1609 if (suffix == NULL) { 1610 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1611 } else { 1612 #ifndef OPENSSL_SYS_VMS 1613 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1614 #else 1615 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1616 #endif 1617 } 1618 out = BIO_new_file(buf[0], "w"); 1619 if (out == NULL) { 1620 goto err; 1621 } 1622 1623 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1624 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1625 goto err; 1626 } 1627 i2a_ASN1_INTEGER(out, ai); 1628 BIO_puts(out, "\n"); 1629 ret = 1; 1630 if (retai) { 1631 *retai = ai; 1632 ai = NULL; 1633 } 1634 err: 1635 if (!ret) 1636 ERR_print_errors(bio_err); 1637 BIO_free_all(out); 1638 ASN1_INTEGER_free(ai); 1639 return ret; 1640 } 1641 1642 int rotate_serial(const char *serialfile, const char *new_suffix, 1643 const char *old_suffix) 1644 { 1645 char buf[2][BSIZE]; 1646 int i, j; 1647 1648 i = strlen(serialfile) + strlen(old_suffix); 1649 j = strlen(serialfile) + strlen(new_suffix); 1650 if (i > j) 1651 j = i; 1652 if (j + 1 >= BSIZE) { 1653 BIO_printf(bio_err, "File name too long\n"); 1654 goto err; 1655 } 1656 #ifndef OPENSSL_SYS_VMS 1657 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1658 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1659 #else 1660 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1661 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1662 #endif 1663 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1664 #ifdef ENOTDIR 1665 && errno != ENOTDIR 1666 #endif 1667 ) { 1668 BIO_printf(bio_err, 1669 "Unable to rename %s to %s\n", serialfile, buf[1]); 1670 perror("reason"); 1671 goto err; 1672 } 1673 if (rename(buf[0], serialfile) < 0) { 1674 BIO_printf(bio_err, 1675 "Unable to rename %s to %s\n", buf[0], serialfile); 1676 perror("reason"); 1677 rename(buf[1], serialfile); 1678 goto err; 1679 } 1680 return 1; 1681 err: 1682 ERR_print_errors(bio_err); 1683 return 0; 1684 } 1685 1686 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1687 { 1688 BIGNUM *btmp; 1689 int ret = 0; 1690 1691 btmp = b == NULL ? BN_new() : b; 1692 if (btmp == NULL) 1693 return 0; 1694 1695 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1696 goto error; 1697 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1698 goto error; 1699 1700 ret = 1; 1701 1702 error: 1703 1704 if (btmp != b) 1705 BN_free(btmp); 1706 1707 return ret; 1708 } 1709 1710 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1711 { 1712 CA_DB *retdb = NULL; 1713 TXT_DB *tmpdb = NULL; 1714 BIO *in; 1715 CONF *dbattr_conf = NULL; 1716 char buf[BSIZE]; 1717 #ifndef OPENSSL_NO_POSIX_IO 1718 FILE *dbfp; 1719 struct stat dbst; 1720 #endif 1721 1722 in = BIO_new_file(dbfile, "r"); 1723 if (in == NULL) 1724 goto err; 1725 1726 #ifndef OPENSSL_NO_POSIX_IO 1727 BIO_get_fp(in, &dbfp); 1728 if (fstat(fileno(dbfp), &dbst) == -1) { 1729 ERR_raise_data(ERR_LIB_SYS, errno, 1730 "calling fstat(%s)", dbfile); 1731 goto err; 1732 } 1733 #endif 1734 1735 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1736 goto err; 1737 1738 #ifndef OPENSSL_SYS_VMS 1739 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1740 #else 1741 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1742 #endif 1743 dbattr_conf = app_load_config_quiet(buf); 1744 1745 retdb = app_malloc(sizeof(*retdb), "new DB"); 1746 retdb->db = tmpdb; 1747 tmpdb = NULL; 1748 if (db_attr) 1749 retdb->attributes = *db_attr; 1750 else 1751 retdb->attributes.unique_subject = 1; 1752 1753 if (dbattr_conf != NULL) { 1754 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject"); 1755 1756 if (p != NULL) 1757 retdb->attributes.unique_subject = parse_yesno(p, 1); 1758 } 1759 1760 retdb->dbfname = OPENSSL_strdup(dbfile); 1761 if (retdb->dbfname == NULL) 1762 goto err; 1763 1764 #ifndef OPENSSL_NO_POSIX_IO 1765 retdb->dbst = dbst; 1766 #endif 1767 1768 err: 1769 ERR_print_errors(bio_err); 1770 NCONF_free(dbattr_conf); 1771 TXT_DB_free(tmpdb); 1772 BIO_free_all(in); 1773 return retdb; 1774 } 1775 1776 /* 1777 * Returns > 0 on success, <= 0 on error 1778 */ 1779 int index_index(CA_DB *db) 1780 { 1781 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1782 LHASH_HASH_FN(index_serial), 1783 LHASH_COMP_FN(index_serial))) { 1784 BIO_printf(bio_err, 1785 "Error creating serial number index:(%ld,%ld,%ld)\n", 1786 db->db->error, db->db->arg1, db->db->arg2); 1787 goto err; 1788 } 1789 1790 if (db->attributes.unique_subject 1791 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1792 LHASH_HASH_FN(index_name), 1793 LHASH_COMP_FN(index_name))) { 1794 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1795 db->db->error, db->db->arg1, db->db->arg2); 1796 goto err; 1797 } 1798 return 1; 1799 err: 1800 ERR_print_errors(bio_err); 1801 return 0; 1802 } 1803 1804 int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1805 { 1806 char buf[3][BSIZE]; 1807 BIO *out; 1808 int j; 1809 1810 j = strlen(dbfile) + strlen(suffix); 1811 if (j + 6 >= BSIZE) { 1812 BIO_printf(bio_err, "File name too long\n"); 1813 goto err; 1814 } 1815 #ifndef OPENSSL_SYS_VMS 1816 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile); 1817 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix); 1818 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix); 1819 #else 1820 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1821 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1822 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1823 #endif 1824 out = BIO_new_file(buf[0], "w"); 1825 if (out == NULL) { 1826 perror(dbfile); 1827 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1828 goto err; 1829 } 1830 j = TXT_DB_write(out, db->db); 1831 BIO_free(out); 1832 if (j <= 0) 1833 goto err; 1834 1835 out = BIO_new_file(buf[1], "w"); 1836 if (out == NULL) { 1837 perror(buf[2]); 1838 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1839 goto err; 1840 } 1841 BIO_printf(out, "unique_subject = %s\n", 1842 db->attributes.unique_subject ? "yes" : "no"); 1843 BIO_free(out); 1844 1845 return 1; 1846 err: 1847 ERR_print_errors(bio_err); 1848 return 0; 1849 } 1850 1851 int rotate_index(const char *dbfile, const char *new_suffix, 1852 const char *old_suffix) 1853 { 1854 char buf[5][BSIZE]; 1855 int i, j; 1856 1857 i = strlen(dbfile) + strlen(old_suffix); 1858 j = strlen(dbfile) + strlen(new_suffix); 1859 if (i > j) 1860 j = i; 1861 if (j + 6 >= BSIZE) { 1862 BIO_printf(bio_err, "File name too long\n"); 1863 goto err; 1864 } 1865 #ifndef OPENSSL_SYS_VMS 1866 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1867 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1868 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1869 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1870 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1871 #else 1872 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1873 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1874 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1875 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1876 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1877 #endif 1878 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1879 #ifdef ENOTDIR 1880 && errno != ENOTDIR 1881 #endif 1882 ) { 1883 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1884 perror("reason"); 1885 goto err; 1886 } 1887 if (rename(buf[0], dbfile) < 0) { 1888 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1889 perror("reason"); 1890 rename(buf[1], dbfile); 1891 goto err; 1892 } 1893 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1894 #ifdef ENOTDIR 1895 && errno != ENOTDIR 1896 #endif 1897 ) { 1898 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1899 perror("reason"); 1900 rename(dbfile, buf[0]); 1901 rename(buf[1], dbfile); 1902 goto err; 1903 } 1904 if (rename(buf[2], buf[4]) < 0) { 1905 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1906 perror("reason"); 1907 rename(buf[3], buf[4]); 1908 rename(dbfile, buf[0]); 1909 rename(buf[1], dbfile); 1910 goto err; 1911 } 1912 return 1; 1913 err: 1914 ERR_print_errors(bio_err); 1915 return 0; 1916 } 1917 1918 void free_index(CA_DB *db) 1919 { 1920 if (db) { 1921 TXT_DB_free(db->db); 1922 OPENSSL_free(db->dbfname); 1923 OPENSSL_free(db); 1924 } 1925 } 1926 1927 int parse_yesno(const char *str, int def) 1928 { 1929 if (str) { 1930 switch (*str) { 1931 case 'f': /* false */ 1932 case 'F': /* FALSE */ 1933 case 'n': /* no */ 1934 case 'N': /* NO */ 1935 case '0': /* 0 */ 1936 return 0; 1937 case 't': /* true */ 1938 case 'T': /* TRUE */ 1939 case 'y': /* yes */ 1940 case 'Y': /* YES */ 1941 case '1': /* 1 */ 1942 return 1; 1943 } 1944 } 1945 return def; 1946 } 1947 1948 /* 1949 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1950 * where + can be used instead of / to form multi-valued RDNs if canmulti 1951 * and characters may be escaped by \ 1952 */ 1953 X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1954 const char *desc) 1955 { 1956 int nextismulti = 0; 1957 char *work; 1958 X509_NAME *n; 1959 1960 if (*cp++ != '/') { 1961 BIO_printf(bio_err, 1962 "%s: %s name is expected to be in the format " 1963 "/type0=value0/type1=value1/type2=... where characters may " 1964 "be escaped by \\. This name is not in that format: '%s'\n", 1965 opt_getprog(), desc, --cp); 1966 return NULL; 1967 } 1968 1969 n = X509_NAME_new(); 1970 if (n == NULL) { 1971 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1972 return NULL; 1973 } 1974 work = OPENSSL_strdup(cp); 1975 if (work == NULL) { 1976 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1977 opt_getprog(), desc); 1978 goto err; 1979 } 1980 1981 while (*cp != '\0') { 1982 char *bp = work; 1983 char *typestr = bp; 1984 unsigned char *valstr; 1985 int nid; 1986 int ismulti = nextismulti; 1987 1988 nextismulti = 0; 1989 1990 /* Collect the type */ 1991 while (*cp != '\0' && *cp != '=') 1992 *bp++ = *cp++; 1993 *bp++ = '\0'; 1994 if (*cp == '\0') { 1995 BIO_printf(bio_err, 1996 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1997 opt_getprog(), typestr, desc); 1998 goto err; 1999 } 2000 ++cp; 2001 2002 /* Collect the value. */ 2003 valstr = (unsigned char *)bp; 2004 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 2005 /* unescaped '+' symbol string signals further member of multiRDN */ 2006 if (canmulti && *cp == '+') { 2007 nextismulti = 1; 2008 break; 2009 } 2010 if (*cp == '\\' && *++cp == '\0') { 2011 BIO_printf(bio_err, 2012 "%s: Escape character at end of %s name string\n", 2013 opt_getprog(), desc); 2014 goto err; 2015 } 2016 } 2017 *bp++ = '\0'; 2018 2019 /* If not at EOS (must be + or /), move forward. */ 2020 if (*cp != '\0') 2021 ++cp; 2022 2023 /* Parse */ 2024 nid = OBJ_txt2nid(typestr); 2025 if (nid == NID_undef) { 2026 BIO_printf(bio_err, 2027 "%s warning: Skipping unknown %s name attribute \"%s\"\n", 2028 opt_getprog(), desc, typestr); 2029 if (ismulti) 2030 BIO_printf(bio_err, 2031 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", 2032 opt_getprog()); 2033 continue; 2034 } 2035 if (*valstr == '\0') { 2036 BIO_printf(bio_err, 2037 "%s warning: No value provided for %s name attribute \"%s\", skipped\n", 2038 opt_getprog(), desc, typestr); 2039 continue; 2040 } 2041 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 2042 valstr, strlen((char *)valstr), 2043 -1, ismulti ? -1 : 0)) { 2044 ERR_print_errors(bio_err); 2045 BIO_printf(bio_err, 2046 "%s: Error adding %s name attribute \"/%s=%s\"\n", 2047 opt_getprog(), desc, typestr, valstr); 2048 goto err; 2049 } 2050 } 2051 2052 OPENSSL_free(work); 2053 return n; 2054 2055 err: 2056 X509_NAME_free(n); 2057 OPENSSL_free(work); 2058 return NULL; 2059 } 2060 2061 /* 2062 * Read whole contents of a BIO into an allocated memory buffer and return 2063 * it. 2064 */ 2065 2066 int bio_to_mem(unsigned char **out, int maxlen, BIO *in) 2067 { 2068 BIO *mem; 2069 int len, ret; 2070 unsigned char tbuf[1024]; 2071 2072 mem = BIO_new(BIO_s_mem()); 2073 if (mem == NULL) 2074 return -1; 2075 for (;;) { 2076 if ((maxlen != -1) && maxlen < 1024) 2077 len = maxlen; 2078 else 2079 len = 1024; 2080 len = BIO_read(in, tbuf, len); 2081 if (len < 0) { 2082 BIO_free(mem); 2083 return -1; 2084 } 2085 if (len == 0) 2086 break; 2087 if (BIO_write(mem, tbuf, len) != len) { 2088 BIO_free(mem); 2089 return -1; 2090 } 2091 if (maxlen != -1) 2092 maxlen -= len; 2093 2094 if (maxlen == 0) 2095 break; 2096 } 2097 ret = BIO_get_mem_data(mem, (char **)out); 2098 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY); 2099 BIO_free(mem); 2100 return ret; 2101 } 2102 2103 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2104 { 2105 int rv = 0; 2106 char *stmp, *vtmp = NULL; 2107 2108 stmp = OPENSSL_strdup(value); 2109 if (stmp == NULL) 2110 return -1; 2111 vtmp = strchr(stmp, ':'); 2112 if (vtmp == NULL) 2113 goto err; 2114 2115 *vtmp = 0; 2116 vtmp++; 2117 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2118 2119 err: 2120 OPENSSL_free(stmp); 2121 return rv; 2122 } 2123 2124 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2125 { 2126 X509_POLICY_NODE *node; 2127 int i; 2128 2129 BIO_printf(bio_err, "%s Policies:", name); 2130 if (nodes) { 2131 BIO_puts(bio_err, "\n"); 2132 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2133 node = sk_X509_POLICY_NODE_value(nodes, i); 2134 X509_POLICY_NODE_print(bio_err, node, 2); 2135 } 2136 } else { 2137 BIO_puts(bio_err, " <empty>\n"); 2138 } 2139 } 2140 2141 void policies_print(X509_STORE_CTX *ctx) 2142 { 2143 X509_POLICY_TREE *tree; 2144 int explicit_policy; 2145 2146 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2147 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2148 2149 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2150 explicit_policy ? "True" : "False"); 2151 2152 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2153 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2154 } 2155 2156 /*- 2157 * next_protos_parse parses a comma separated list of strings into a string 2158 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2159 * outlen: (output) set to the length of the resulting buffer on success. 2160 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2161 * in: a NUL terminated string like "abc,def,ghi" 2162 * 2163 * returns: a malloc'd buffer or NULL on failure. 2164 */ 2165 unsigned char *next_protos_parse(size_t *outlen, const char *in) 2166 { 2167 size_t len; 2168 unsigned char *out; 2169 size_t i, start = 0; 2170 size_t skipped = 0; 2171 2172 len = strlen(in); 2173 if (len == 0 || len >= 65535) 2174 return NULL; 2175 2176 out = app_malloc(len + 1, "NPN buffer"); 2177 for (i = 0; i <= len; ++i) { 2178 if (i == len || in[i] == ',') { 2179 /* 2180 * Zero-length ALPN elements are invalid on the wire, we could be 2181 * strict and reject the entire string, but just ignoring extra 2182 * commas seems harmless and more friendly. 2183 * 2184 * Every comma we skip in this way puts the input buffer another 2185 * byte ahead of the output buffer, so all stores into the output 2186 * buffer need to be decremented by the number commas skipped. 2187 */ 2188 if (i == start) { 2189 ++start; 2190 ++skipped; 2191 continue; 2192 } 2193 if (i - start > 255) { 2194 OPENSSL_free(out); 2195 return NULL; 2196 } 2197 out[start - skipped] = (unsigned char)(i - start); 2198 start = i + 1; 2199 } else { 2200 out[i + 1 - skipped] = in[i]; 2201 } 2202 } 2203 2204 if (len <= skipped) { 2205 OPENSSL_free(out); 2206 return NULL; 2207 } 2208 2209 *outlen = len + 1 - skipped; 2210 return out; 2211 } 2212 2213 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost, 2214 const char *checkemail, const char *checkip, 2215 int print) 2216 { 2217 int valid_host = 0; 2218 int valid_mail = 0; 2219 int valid_ip = 0; 2220 int ret = 1; 2221 2222 if (x == NULL) 2223 return 0; 2224 2225 if (checkhost != NULL) { 2226 valid_host = X509_check_host(x, checkhost, 0, 0, NULL); 2227 if (print) 2228 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2229 checkhost, valid_host == 1 ? "" : " NOT"); 2230 ret = ret && valid_host > 0; 2231 } 2232 2233 if (checkemail != NULL) { 2234 valid_mail = X509_check_email(x, checkemail, 0, 0); 2235 if (print) 2236 BIO_printf(bio, "Email %s does%s match certificate\n", 2237 checkemail, valid_mail ? "" : " NOT"); 2238 ret = ret && valid_mail > 0; 2239 } 2240 2241 if (checkip != NULL) { 2242 valid_ip = X509_check_ip_asc(x, checkip, 0); 2243 if (print) 2244 BIO_printf(bio, "IP %s does%s match certificate\n", 2245 checkip, valid_ip ? "" : " NOT"); 2246 ret = ret && valid_ip > 0; 2247 } 2248 2249 return ret; 2250 } 2251 2252 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2253 { 2254 int i; 2255 2256 if (opts == NULL) 2257 return 1; 2258 2259 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2260 char *opt = sk_OPENSSL_STRING_value(opts, i); 2261 2262 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2263 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2264 ERR_print_errors(bio_err); 2265 return 0; 2266 } 2267 } 2268 2269 return 1; 2270 } 2271 2272 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2273 { 2274 int i; 2275 2276 if (opts == NULL) 2277 return 1; 2278 2279 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2280 char *opt = sk_OPENSSL_STRING_value(opts, i); 2281 2282 if (x509_ctrl_string(x, opt) <= 0) { 2283 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2284 ERR_print_errors(bio_err); 2285 return 0; 2286 } 2287 } 2288 2289 return 1; 2290 } 2291 2292 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2293 { 2294 int i; 2295 2296 if (opts == NULL) 2297 return 1; 2298 2299 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2300 char *opt = sk_OPENSSL_STRING_value(opts, i); 2301 2302 if (x509_req_ctrl_string(x, opt) <= 0) { 2303 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2304 ERR_print_errors(bio_err); 2305 return 0; 2306 } 2307 } 2308 2309 return 1; 2310 } 2311 2312 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2313 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2314 { 2315 EVP_PKEY_CTX *pkctx = NULL; 2316 char def_md[80]; 2317 2318 if (ctx == NULL) 2319 return 0; 2320 /* 2321 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2322 * for this algorithm. 2323 */ 2324 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2325 && strcmp(def_md, "UNDEF") == 0) { 2326 /* The signing algorithm requires there to be no digest */ 2327 md = NULL; 2328 } 2329 2330 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2331 app_get0_propq(), pkey, NULL) 2332 && do_pkey_ctx_init(pkctx, sigopts); 2333 } 2334 2335 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2336 const char *name, const char *value, int add_default) 2337 { 2338 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2339 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2340 int idx, rv = 0; 2341 2342 if (new_ext == NULL) 2343 return rv; 2344 2345 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2346 if (idx >= 0) { 2347 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2348 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext); 2349 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */ 2350 2351 if (disabled) { 2352 X509_delete_ext(cert, idx); 2353 X509_EXTENSION_free(found_ext); 2354 } /* else keep existing key identifier, which might be outdated */ 2355 rv = 1; 2356 } else { 2357 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2358 } 2359 X509_EXTENSION_free(new_ext); 2360 return rv; 2361 } 2362 2363 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey) 2364 { 2365 int match; 2366 2367 ERR_set_mark(); 2368 match = X509_check_private_key(cert, pkey); 2369 ERR_pop_to_mark(); 2370 return match; 2371 } 2372 2373 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2374 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md, 2375 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2376 { 2377 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2378 int self_sign; 2379 int rv = 0; 2380 2381 if (!force_v1) { 2382 if (!X509_set_version(cert, X509_VERSION_3)) 2383 goto end; 2384 2385 /* 2386 * Add default SKID before AKID such that AKID can make use of it 2387 * in case the certificate is self-signed 2388 */ 2389 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2390 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2391 goto end; 2392 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2393 self_sign = cert_matches_key(cert, pkey); 2394 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2395 "keyid, issuer", !self_sign)) 2396 goto end; 2397 } 2398 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */ 2399 2400 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2401 rv = (X509_sign_ctx(cert, mctx) > 0); 2402 end: 2403 EVP_MD_CTX_free(mctx); 2404 return rv; 2405 } 2406 2407 /* Sign the certificate request info */ 2408 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, 2409 STACK_OF(OPENSSL_STRING) *sigopts) 2410 { 2411 int rv = 0; 2412 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2413 2414 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2415 rv = (X509_REQ_sign_ctx(x, mctx) > 0); 2416 EVP_MD_CTX_free(mctx); 2417 return rv; 2418 } 2419 2420 /* Sign the CRL info */ 2421 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2422 STACK_OF(OPENSSL_STRING) *sigopts) 2423 { 2424 int rv = 0; 2425 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2426 2427 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2428 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2429 EVP_MD_CTX_free(mctx); 2430 return rv; 2431 } 2432 2433 /* 2434 * do_X509_verify returns 1 if the signature is valid, 2435 * 0 if the signature check fails, or -1 if error occurs. 2436 */ 2437 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2438 { 2439 int rv = 0; 2440 2441 if (do_x509_init(x, vfyopts) > 0) 2442 rv = X509_verify(x, pkey); 2443 else 2444 rv = -1; 2445 return rv; 2446 } 2447 2448 /* 2449 * do_X509_REQ_verify returns 1 if the signature is valid, 2450 * 0 if the signature check fails, or -1 if error occurs. 2451 */ 2452 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2453 STACK_OF(OPENSSL_STRING) *vfyopts) 2454 { 2455 int rv = 0; 2456 2457 if (do_x509_req_init(x, vfyopts) > 0) 2458 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq()); 2459 else 2460 rv = -1; 2461 return rv; 2462 } 2463 2464 /* Get first http URL from a DIST_POINT structure */ 2465 2466 static const char *get_dp_url(DIST_POINT *dp) 2467 { 2468 GENERAL_NAMES *gens; 2469 GENERAL_NAME *gen; 2470 int i, gtype; 2471 ASN1_STRING *uri; 2472 2473 if (!dp->distpoint || dp->distpoint->type != 0) 2474 return NULL; 2475 gens = dp->distpoint->name.fullname; 2476 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2477 gen = sk_GENERAL_NAME_value(gens, i); 2478 uri = GENERAL_NAME_get0_value(gen, >ype); 2479 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2480 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2481 2482 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2483 return uptr; 2484 } 2485 } 2486 return NULL; 2487 } 2488 2489 /* 2490 * Look through a CRLDP structure and attempt to find an http URL to 2491 * downloads a CRL from. 2492 */ 2493 2494 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2495 { 2496 int i; 2497 const char *urlptr = NULL; 2498 2499 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2500 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2501 2502 urlptr = get_dp_url(dp); 2503 if (urlptr != NULL) 2504 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2505 } 2506 return NULL; 2507 } 2508 2509 /* 2510 * Example of downloading CRLs from CRLDP: 2511 * not usable for real world as it always downloads and doesn't cache anything. 2512 */ 2513 2514 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2515 const X509_NAME *nm) 2516 { 2517 X509 *x; 2518 STACK_OF(X509_CRL) *crls = NULL; 2519 X509_CRL *crl; 2520 STACK_OF(DIST_POINT) *crldp; 2521 2522 crls = sk_X509_CRL_new_null(); 2523 if (!crls) 2524 return NULL; 2525 x = X509_STORE_CTX_get_current_cert(ctx); 2526 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2527 crl = load_crl_crldp(crldp); 2528 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2529 2530 if (crl == NULL || !sk_X509_CRL_push(crls, crl)) 2531 goto error; 2532 2533 /* Try to download delta CRL */ 2534 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2535 crl = load_crl_crldp(crldp); 2536 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2537 2538 if (crl != NULL && !sk_X509_CRL_push(crls, crl)) 2539 goto error; 2540 2541 return crls; 2542 2543 error: 2544 X509_CRL_free(crl); 2545 sk_X509_CRL_free(crls); 2546 return NULL; 2547 } 2548 2549 void store_setup_crl_download(X509_STORE *st) 2550 { 2551 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2552 } 2553 2554 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP) 2555 static const char *tls_error_hint(void) 2556 { 2557 unsigned long err = ERR_peek_error(); 2558 2559 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2560 err = ERR_peek_last_error(); 2561 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2562 return NULL; /* likely no TLS error */ 2563 2564 switch (ERR_GET_REASON(err)) { 2565 case SSL_R_WRONG_VERSION_NUMBER: 2566 return "The server does not support (a suitable version of) TLS"; 2567 case SSL_R_UNKNOWN_PROTOCOL: 2568 return "The server does not support HTTPS"; 2569 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2570 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2571 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2572 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2573 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2574 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2575 default: 2576 return NULL; /* no hint available for TLS error */ 2577 } 2578 } 2579 2580 static BIO *http_tls_shutdown(BIO *bio) 2581 { 2582 if (bio != NULL) { 2583 BIO *cbio; 2584 const char *hint = tls_error_hint(); 2585 2586 if (hint != NULL) 2587 BIO_printf(bio_err, "%s\n", hint); 2588 (void)ERR_set_mark(); 2589 BIO_ssl_shutdown(bio); 2590 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2591 BIO_free(bio); /* SSL BIO */ 2592 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2593 bio = cbio; 2594 } 2595 return bio; 2596 } 2597 2598 /* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2599 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2600 { 2601 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2602 SSL_CTX *ssl_ctx = info->ssl_ctx; 2603 2604 if (ssl_ctx == NULL) /* not using TLS */ 2605 return bio; 2606 if (connect) { 2607 SSL *ssl; 2608 BIO *sbio = NULL; 2609 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2610 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2611 const char *host = vpm == NULL ? NULL : 2612 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2613 2614 /* adapt after fixing callback design flaw, see #17088 */ 2615 if ((info->use_proxy 2616 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2617 NULL, NULL, /* no proxy credentials */ 2618 info->timeout, bio_err, opt_getprog())) 2619 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2620 return NULL; 2621 } 2622 if ((ssl = SSL_new(ssl_ctx)) == NULL) { 2623 BIO_free(sbio); 2624 return NULL; 2625 } 2626 2627 if (vpm != NULL) 2628 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2629 2630 SSL_set_connect_state(ssl); 2631 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2632 2633 bio = BIO_push(sbio, bio); 2634 } else { /* disconnect from TLS */ 2635 bio = http_tls_shutdown(bio); 2636 } 2637 return bio; 2638 } 2639 2640 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2641 { 2642 if (info != NULL) { 2643 SSL_CTX_free(info->ssl_ctx); 2644 OPENSSL_free(info); 2645 } 2646 } 2647 2648 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2649 const char *no_proxy, SSL_CTX *ssl_ctx, 2650 const STACK_OF(CONF_VALUE) *headers, 2651 long timeout, const char *expected_content_type, 2652 const ASN1_ITEM *it) 2653 { 2654 APP_HTTP_TLS_INFO info; 2655 char *server; 2656 char *port; 2657 int use_ssl; 2658 BIO *mem; 2659 ASN1_VALUE *resp = NULL; 2660 2661 if (url == NULL || it == NULL) { 2662 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2663 return NULL; 2664 } 2665 2666 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2667 NULL /* port_num, */, NULL, NULL, NULL)) 2668 return NULL; 2669 if (use_ssl && ssl_ctx == NULL) { 2670 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2671 "missing SSL_CTX"); 2672 goto end; 2673 } 2674 if (!use_ssl && ssl_ctx != NULL) { 2675 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2676 "SSL_CTX given but use_ssl == 0"); 2677 goto end; 2678 } 2679 2680 info.server = server; 2681 info.port = port; 2682 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2683 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2684 info.timeout = timeout; 2685 info.ssl_ctx = ssl_ctx; 2686 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2687 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2688 expected_content_type, 1 /* expect_asn1 */, 2689 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2690 resp = ASN1_item_d2i_bio(it, mem, NULL); 2691 BIO_free(mem); 2692 2693 end: 2694 OPENSSL_free(server); 2695 OPENSSL_free(port); 2696 return resp; 2697 2698 } 2699 2700 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2701 const char *path, const char *proxy, 2702 const char *no_proxy, SSL_CTX *ssl_ctx, 2703 const STACK_OF(CONF_VALUE) *headers, 2704 const char *content_type, 2705 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2706 const char *expected_content_type, 2707 long timeout, const ASN1_ITEM *rsp_it) 2708 { 2709 int use_ssl = ssl_ctx != NULL; 2710 APP_HTTP_TLS_INFO info; 2711 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2712 ASN1_VALUE *res; 2713 2714 if (req_mem == NULL) 2715 return NULL; 2716 2717 info.server = host; 2718 info.port = port; 2719 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2720 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2721 info.timeout = timeout; 2722 info.ssl_ctx = ssl_ctx; 2723 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2724 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2725 app_http_tls_cb, &info, 2726 0 /* buf_size */, headers, content_type, req_mem, 2727 expected_content_type, 1 /* expect_asn1 */, 2728 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2729 0 /* keep_alive */); 2730 BIO_free(req_mem); 2731 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2732 BIO_free(rsp); 2733 return res; 2734 } 2735 2736 #endif 2737 2738 /* 2739 * Platform-specific sections 2740 */ 2741 #if defined(_WIN32) 2742 # ifdef fileno 2743 # undef fileno 2744 # define fileno(a) (int)_fileno(a) 2745 # endif 2746 2747 # include <windows.h> 2748 # include <tchar.h> 2749 2750 static int WIN32_rename(const char *from, const char *to) 2751 { 2752 TCHAR *tfrom = NULL, *tto; 2753 DWORD err; 2754 int ret = 0; 2755 2756 if (sizeof(TCHAR) == 1) { 2757 tfrom = (TCHAR *)from; 2758 tto = (TCHAR *)to; 2759 } else { /* UNICODE path */ 2760 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2761 2762 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2763 if (tfrom == NULL) 2764 goto err; 2765 tto = tfrom + flen; 2766 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2767 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2768 # endif 2769 for (i = 0; i < flen; i++) 2770 tfrom[i] = (TCHAR)from[i]; 2771 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2772 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2773 # endif 2774 for (i = 0; i < tlen; i++) 2775 tto[i] = (TCHAR)to[i]; 2776 } 2777 2778 if (MoveFile(tfrom, tto)) 2779 goto ok; 2780 err = GetLastError(); 2781 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2782 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2783 goto ok; 2784 err = GetLastError(); 2785 } 2786 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2787 errno = ENOENT; 2788 else if (err == ERROR_ACCESS_DENIED) 2789 errno = EACCES; 2790 else 2791 errno = EINVAL; /* we could map more codes... */ 2792 err: 2793 ret = -1; 2794 ok: 2795 if (tfrom != NULL && tfrom != (TCHAR *)from) 2796 free(tfrom); 2797 return ret; 2798 } 2799 #endif 2800 2801 /* app_tminterval section */ 2802 #if defined(_WIN32) 2803 double app_tminterval(int stop, int usertime) 2804 { 2805 FILETIME now; 2806 double ret = 0; 2807 static ULARGE_INTEGER tmstart; 2808 static int warning = 1; 2809 int use_GetSystemTime = 1; 2810 # ifdef _WIN32_WINNT 2811 static HANDLE proc = NULL; 2812 2813 if (proc == NULL) { 2814 if (check_winnt()) 2815 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2816 GetCurrentProcessId()); 2817 if (proc == NULL) 2818 proc = (HANDLE) - 1; 2819 } 2820 2821 if (usertime && proc != (HANDLE) - 1) { 2822 FILETIME junk; 2823 2824 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2825 use_GetSystemTime = 0; 2826 } 2827 # endif 2828 if (use_GetSystemTime) { 2829 SYSTEMTIME systime; 2830 2831 if (usertime && warning) { 2832 BIO_printf(bio_err, "To get meaningful results, run " 2833 "this program on idle system.\n"); 2834 warning = 0; 2835 } 2836 GetSystemTime(&systime); 2837 SystemTimeToFileTime(&systime, &now); 2838 } 2839 2840 if (stop == TM_START) { 2841 tmstart.u.LowPart = now.dwLowDateTime; 2842 tmstart.u.HighPart = now.dwHighDateTime; 2843 } else { 2844 ULARGE_INTEGER tmstop; 2845 2846 tmstop.u.LowPart = now.dwLowDateTime; 2847 tmstop.u.HighPart = now.dwHighDateTime; 2848 2849 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2850 } 2851 2852 return ret; 2853 } 2854 #elif defined(OPENSSL_SYS_VXWORKS) 2855 # include <time.h> 2856 2857 double app_tminterval(int stop, int usertime) 2858 { 2859 double ret = 0; 2860 # ifdef CLOCK_REALTIME 2861 static struct timespec tmstart; 2862 struct timespec now; 2863 # else 2864 static unsigned long tmstart; 2865 unsigned long now; 2866 # endif 2867 static int warning = 1; 2868 2869 if (usertime && warning) { 2870 BIO_printf(bio_err, "To get meaningful results, run " 2871 "this program on idle system.\n"); 2872 warning = 0; 2873 } 2874 # ifdef CLOCK_REALTIME 2875 clock_gettime(CLOCK_REALTIME, &now); 2876 if (stop == TM_START) 2877 tmstart = now; 2878 else 2879 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2880 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2881 # else 2882 now = tickGet(); 2883 if (stop == TM_START) 2884 tmstart = now; 2885 else 2886 ret = (now - tmstart) / (double)sysClkRateGet(); 2887 # endif 2888 return ret; 2889 } 2890 2891 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2892 # include <sys/times.h> 2893 2894 double app_tminterval(int stop, int usertime) 2895 { 2896 double ret = 0; 2897 struct tms rus; 2898 clock_t now = times(&rus); 2899 static clock_t tmstart; 2900 2901 if (usertime) 2902 now = rus.tms_utime; 2903 2904 if (stop == TM_START) { 2905 tmstart = now; 2906 } else { 2907 long int tck = sysconf(_SC_CLK_TCK); 2908 2909 ret = (now - tmstart) / (double)tck; 2910 } 2911 2912 return ret; 2913 } 2914 2915 #else 2916 # include <sys/time.h> 2917 # include <sys/resource.h> 2918 2919 double app_tminterval(int stop, int usertime) 2920 { 2921 double ret = 0; 2922 struct rusage rus; 2923 struct timeval now; 2924 static struct timeval tmstart; 2925 2926 if (usertime) 2927 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2928 else 2929 gettimeofday(&now, NULL); 2930 2931 if (stop == TM_START) 2932 tmstart = now; 2933 else 2934 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2935 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2936 2937 return ret; 2938 } 2939 #endif 2940 2941 int app_access(const char *name, int flag) 2942 { 2943 #ifdef _WIN32 2944 return _access(name, flag); 2945 #else 2946 return access(name, flag); 2947 #endif 2948 } 2949 2950 int app_isdir(const char *name) 2951 { 2952 return opt_isdir(name); 2953 } 2954 2955 /* raw_read|write section */ 2956 #if defined(__VMS) 2957 # include "vms_term_sock.h" 2958 static int stdin_sock = -1; 2959 2960 static void close_stdin_sock(void) 2961 { 2962 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock); 2963 } 2964 2965 int fileno_stdin(void) 2966 { 2967 if (stdin_sock == -1) { 2968 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2969 atexit(close_stdin_sock); 2970 } 2971 2972 return stdin_sock; 2973 } 2974 #else 2975 int fileno_stdin(void) 2976 { 2977 return fileno(stdin); 2978 } 2979 #endif 2980 2981 int fileno_stdout(void) 2982 { 2983 return fileno(stdout); 2984 } 2985 2986 #if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2987 int raw_read_stdin(void *buf, int siz) 2988 { 2989 DWORD n; 2990 2991 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2992 return n; 2993 else 2994 return -1; 2995 } 2996 #elif defined(__VMS) 2997 # include <sys/socket.h> 2998 2999 int raw_read_stdin(void *buf, int siz) 3000 { 3001 return recv(fileno_stdin(), buf, siz, 0); 3002 } 3003 #else 3004 int raw_read_stdin(void *buf, int siz) 3005 { 3006 return read(fileno_stdin(), buf, siz); 3007 } 3008 #endif 3009 3010 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 3011 int raw_write_stdout(const void *buf, int siz) 3012 { 3013 DWORD n; 3014 3015 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 3016 return n; 3017 else 3018 return -1; 3019 } 3020 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \ 3021 && defined(_SPT_MODEL_) 3022 int raw_write_stdout(const void *buf, int siz) 3023 { 3024 return write(fileno(stdout), (void *)buf, siz); 3025 } 3026 #else 3027 int raw_write_stdout(const void *buf, int siz) 3028 { 3029 return write(fileno_stdout(), buf, siz); 3030 } 3031 #endif 3032 3033 /* 3034 * Centralized handling of input and output files with format specification 3035 * The format is meant to show what the input and output is supposed to be, 3036 * and is therefore a show of intent more than anything else. However, it 3037 * does impact behavior on some platforms, such as differentiating between 3038 * text and binary input/output on non-Unix platforms 3039 */ 3040 BIO *dup_bio_in(int format) 3041 { 3042 return BIO_new_fp(stdin, 3043 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3044 } 3045 3046 BIO *dup_bio_out(int format) 3047 { 3048 BIO *b = BIO_new_fp(stdout, 3049 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3050 void *prefix = NULL; 3051 3052 if (b == NULL) 3053 return NULL; 3054 3055 #ifdef OPENSSL_SYS_VMS 3056 if (FMT_istext(format)) 3057 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3058 #endif 3059 3060 if (FMT_istext(format) 3061 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 3062 b = BIO_push(BIO_new(BIO_f_prefix()), b); 3063 BIO_set_prefix(b, prefix); 3064 } 3065 3066 return b; 3067 } 3068 3069 BIO *dup_bio_err(int format) 3070 { 3071 BIO *b = BIO_new_fp(stderr, 3072 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3073 3074 #ifdef OPENSSL_SYS_VMS 3075 if (b != NULL && FMT_istext(format)) 3076 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3077 #endif 3078 return b; 3079 } 3080 3081 void unbuffer(FILE *fp) 3082 { 3083 /* 3084 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 3085 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 3086 * However, we trust that the C RTL will never give us a FILE pointer 3087 * above the first 4 GB of memory, so we simply turn off the warning 3088 * temporarily. 3089 */ 3090 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3091 # pragma environment save 3092 # pragma message disable maylosedata2 3093 #endif 3094 setbuf(fp, NULL); 3095 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3096 # pragma environment restore 3097 #endif 3098 } 3099 3100 static const char *modestr(char mode, int format) 3101 { 3102 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 3103 3104 switch (mode) { 3105 case 'a': 3106 return FMT_istext(format) ? "a" : "ab"; 3107 case 'r': 3108 return FMT_istext(format) ? "r" : "rb"; 3109 case 'w': 3110 return FMT_istext(format) ? "w" : "wb"; 3111 } 3112 /* The assert above should make sure we never reach this point */ 3113 return NULL; 3114 } 3115 3116 static const char *modeverb(char mode) 3117 { 3118 switch (mode) { 3119 case 'a': 3120 return "appending"; 3121 case 'r': 3122 return "reading"; 3123 case 'w': 3124 return "writing"; 3125 } 3126 return "(doing something)"; 3127 } 3128 3129 /* 3130 * Open a file for writing, owner-read-only. 3131 */ 3132 BIO *bio_open_owner(const char *filename, int format, int private) 3133 { 3134 FILE *fp = NULL; 3135 BIO *b = NULL; 3136 int textmode, bflags; 3137 #ifndef OPENSSL_NO_POSIX_IO 3138 int fd = -1, mode; 3139 #endif 3140 3141 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3142 return bio_open_default(filename, 'w', format); 3143 3144 textmode = FMT_istext(format); 3145 #ifndef OPENSSL_NO_POSIX_IO 3146 mode = O_WRONLY; 3147 # ifdef O_CREAT 3148 mode |= O_CREAT; 3149 # endif 3150 # ifdef O_TRUNC 3151 mode |= O_TRUNC; 3152 # endif 3153 if (!textmode) { 3154 # ifdef O_BINARY 3155 mode |= O_BINARY; 3156 # elif defined(_O_BINARY) 3157 mode |= _O_BINARY; 3158 # endif 3159 } 3160 3161 # ifdef OPENSSL_SYS_VMS 3162 /* 3163 * VMS doesn't have O_BINARY, it just doesn't make sense. But, 3164 * it still needs to know that we're going binary, or fdopen() 3165 * will fail with "invalid argument"... so we tell VMS what the 3166 * context is. 3167 */ 3168 if (!textmode) 3169 fd = open(filename, mode, 0600, "ctx=bin"); 3170 else 3171 # endif 3172 fd = open(filename, mode, 0600); 3173 if (fd < 0) 3174 goto err; 3175 fp = fdopen(fd, modestr('w', format)); 3176 #else /* OPENSSL_NO_POSIX_IO */ 3177 /* Have stdio but not Posix IO, do the best we can */ 3178 fp = fopen(filename, modestr('w', format)); 3179 #endif /* OPENSSL_NO_POSIX_IO */ 3180 if (fp == NULL) 3181 goto err; 3182 bflags = BIO_CLOSE; 3183 if (textmode) 3184 bflags |= BIO_FP_TEXT; 3185 b = BIO_new_fp(fp, bflags); 3186 if (b != NULL) 3187 return b; 3188 3189 err: 3190 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3191 opt_getprog(), filename, strerror(errno)); 3192 ERR_print_errors(bio_err); 3193 /* If we have fp, then fdopen took over fd, so don't close both. */ 3194 if (fp != NULL) 3195 fclose(fp); 3196 #ifndef OPENSSL_NO_POSIX_IO 3197 else if (fd >= 0) 3198 close(fd); 3199 #endif 3200 return NULL; 3201 } 3202 3203 static BIO *bio_open_default_(const char *filename, char mode, int format, 3204 int quiet) 3205 { 3206 BIO *ret; 3207 3208 if (filename == NULL || strcmp(filename, "-") == 0) { 3209 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format); 3210 if (quiet) { 3211 ERR_clear_error(); 3212 return ret; 3213 } 3214 if (ret != NULL) 3215 return ret; 3216 BIO_printf(bio_err, 3217 "Can't open %s, %s\n", 3218 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3219 } else { 3220 ret = BIO_new_file(filename, modestr(mode, format)); 3221 if (quiet) { 3222 ERR_clear_error(); 3223 return ret; 3224 } 3225 if (ret != NULL) 3226 return ret; 3227 BIO_printf(bio_err, 3228 "Can't open \"%s\" for %s, %s\n", 3229 filename, modeverb(mode), strerror(errno)); 3230 } 3231 ERR_print_errors(bio_err); 3232 return NULL; 3233 } 3234 3235 BIO *bio_open_default(const char *filename, char mode, int format) 3236 { 3237 return bio_open_default_(filename, mode, format, 0); 3238 } 3239 3240 BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3241 { 3242 return bio_open_default_(filename, mode, format, 1); 3243 } 3244 3245 int mem_bio_to_file(BIO *in, const char *filename, int format, int private) 3246 { 3247 int rv = 0, ret = 0; 3248 BIO *out = NULL; 3249 BUF_MEM *mem_buffer = NULL; 3250 3251 rv = BIO_get_mem_ptr(in, &mem_buffer); 3252 if (rv <= 0) { 3253 BIO_puts(bio_err, "Error reading mem buffer\n"); 3254 goto end; 3255 } 3256 out = bio_open_owner(filename, format, private); 3257 if (out == NULL) 3258 goto end; 3259 rv = BIO_write(out, mem_buffer->data, mem_buffer->length); 3260 if (rv < 0 || (size_t)rv != mem_buffer->length) 3261 BIO_printf(bio_err, "Error writing to output file: '%s'\n", filename); 3262 else 3263 ret = 1; 3264 end: 3265 if (!ret) 3266 ERR_print_errors(bio_err); 3267 BIO_free_all(out); 3268 return ret; 3269 } 3270 3271 void wait_for_async(SSL *s) 3272 { 3273 /* On Windows select only works for sockets, so we simply don't wait */ 3274 #ifndef OPENSSL_SYS_WINDOWS 3275 int width = 0; 3276 fd_set asyncfds; 3277 OSSL_ASYNC_FD *fds; 3278 size_t numfds; 3279 size_t i; 3280 3281 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3282 return; 3283 if (numfds == 0) 3284 return; 3285 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3286 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3287 OPENSSL_free(fds); 3288 return; 3289 } 3290 3291 FD_ZERO(&asyncfds); 3292 for (i = 0; i < numfds; i++) { 3293 if (width <= (int)fds[i]) 3294 width = (int)fds[i] + 1; 3295 openssl_fdset((int)fds[i], &asyncfds); 3296 } 3297 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3298 OPENSSL_free(fds); 3299 #endif 3300 } 3301 3302 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3303 #if defined(OPENSSL_SYS_MSDOS) 3304 int has_stdin_waiting(void) 3305 { 3306 # if defined(OPENSSL_SYS_WINDOWS) 3307 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3308 DWORD events = 0; 3309 INPUT_RECORD inputrec; 3310 DWORD insize = 1; 3311 BOOL peeked; 3312 3313 if (inhand == INVALID_HANDLE_VALUE) { 3314 return 0; 3315 } 3316 3317 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3318 if (!peeked) { 3319 /* Probably redirected input? _kbhit() does not work in this case */ 3320 if (!feof(stdin)) { 3321 return 1; 3322 } 3323 return 0; 3324 } 3325 # endif 3326 return _kbhit(); 3327 } 3328 #endif 3329 3330 /* Corrupt a signature by modifying final byte */ 3331 void corrupt_signature(const ASN1_STRING *signature) 3332 { 3333 unsigned char *s = signature->data; 3334 3335 s[signature->length - 1] ^= 0x1; 3336 } 3337 3338 int check_cert_time_string(const char *time, const char *desc) 3339 { 3340 if (time == NULL || strcmp(time, "today") == 0 3341 || ASN1_TIME_set_string_X509(NULL, time)) 3342 return 1; 3343 BIO_printf(bio_err, 3344 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n", 3345 desc); 3346 return 0; 3347 } 3348 3349 int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3350 int days, int strict_compare_times) 3351 { 3352 if (!check_cert_time_string(startdate, "start date")) 3353 return 0; 3354 if (!check_cert_time_string(enddate, "end date")) 3355 return 0; 3356 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3357 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) { 3358 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3359 return 0; 3360 } 3361 } else { 3362 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) { 3363 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3364 return 0; 3365 } 3366 } 3367 if (enddate != NULL && strcmp(enddate, "today") == 0) { 3368 enddate = NULL; 3369 days = 0; 3370 } 3371 if (enddate == NULL) { 3372 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) { 3373 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3374 return 0; 3375 } 3376 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3377 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3378 return 0; 3379 } 3380 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) { 3381 BIO_printf(bio_err, "%s: end date before start date\n", 3382 strict_compare_times ? "Error" : "Warning"); 3383 if (strict_compare_times) 3384 return 0; 3385 } 3386 return 1; 3387 } 3388 3389 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3390 { 3391 int ret = 0; 3392 ASN1_TIME *tm = ASN1_TIME_new(); 3393 3394 if (tm == NULL) 3395 goto end; 3396 3397 if (lastupdate == NULL) { 3398 if (X509_gmtime_adj(tm, 0) == NULL) 3399 goto end; 3400 } else { 3401 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3402 goto end; 3403 } 3404 3405 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3406 goto end; 3407 3408 ret = 1; 3409 end: 3410 ASN1_TIME_free(tm); 3411 return ret; 3412 } 3413 3414 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3415 long days, long hours, long secs) 3416 { 3417 int ret = 0; 3418 ASN1_TIME *tm = ASN1_TIME_new(); 3419 3420 if (tm == NULL) 3421 goto end; 3422 3423 if (nextupdate == NULL) { 3424 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3425 goto end; 3426 } else { 3427 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3428 goto end; 3429 } 3430 3431 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3432 goto end; 3433 3434 ret = 1; 3435 end: 3436 ASN1_TIME_free(tm); 3437 return ret; 3438 } 3439 3440 void make_uppercase(char *string) 3441 { 3442 int i; 3443 3444 for (i = 0; string[i] != '\0'; i++) 3445 string[i] = toupper((unsigned char)string[i]); 3446 } 3447 3448 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3449 const OSSL_PARAM *paramdefs) 3450 { 3451 OSSL_PARAM *params = NULL; 3452 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3453 size_t params_n; 3454 char *opt = "", *stmp, *vtmp = NULL; 3455 int found = 1; 3456 3457 if (opts == NULL) 3458 return NULL; 3459 3460 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3461 if (params == NULL) 3462 return NULL; 3463 3464 for (params_n = 0; params_n < sz; params_n++) { 3465 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3466 if ((stmp = OPENSSL_strdup(opt)) == NULL 3467 || (vtmp = strchr(stmp, ':')) == NULL) 3468 goto err; 3469 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3470 *vtmp = 0; 3471 /* Skip over the separator so that vmtp points to the value */ 3472 vtmp++; 3473 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3474 stmp, vtmp, strlen(vtmp), &found)) 3475 goto err; 3476 OPENSSL_free(stmp); 3477 } 3478 params[params_n] = OSSL_PARAM_construct_end(); 3479 return params; 3480 err: 3481 OPENSSL_free(stmp); 3482 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3483 opt); 3484 ERR_print_errors(bio_err); 3485 app_params_free(params); 3486 return NULL; 3487 } 3488 3489 void app_params_free(OSSL_PARAM *params) 3490 { 3491 int i; 3492 3493 if (params != NULL) { 3494 for (i = 0; params[i].key != NULL; ++i) 3495 OPENSSL_free(params[i].data); 3496 OPENSSL_free(params); 3497 } 3498 } 3499 3500 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3501 { 3502 EVP_PKEY *res = NULL; 3503 3504 if (verbose && alg != NULL) { 3505 BIO_printf(bio_err, "Generating %s key", alg); 3506 if (bits > 0) 3507 BIO_printf(bio_err, " with %d bits\n", bits); 3508 else 3509 BIO_printf(bio_err, "\n"); 3510 } 3511 if (!RAND_status()) 3512 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3513 "if the system has a poor entropy source\n"); 3514 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3515 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(), 3516 alg != NULL ? alg : "asymmetric"); 3517 return res; 3518 } 3519 3520 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3521 { 3522 EVP_PKEY *res = NULL; 3523 3524 if (!RAND_status()) 3525 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3526 "if the system has a poor entropy source\n"); 3527 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3528 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n", 3529 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3530 return res; 3531 } 3532 3533 /* 3534 * Return non-zero if the legacy path is still an option. 3535 * This decision is based on the global command line operations and the 3536 * behaviour thus far. 3537 */ 3538 int opt_legacy_okay(void) 3539 { 3540 int provider_options = opt_provider_option_given(); 3541 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3542 3543 /* 3544 * Having a provider option specified or a custom library context or 3545 * property query, is a sure sign we're not using legacy. 3546 */ 3547 if (provider_options || libctx) 3548 return 0; 3549 return 1; 3550 } 3551
Indexes created Sun Mar 01 05:31:48 UTC 2026