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