1 /* 2 * Copyright 1995-2026 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/numbers.h" /* for LONG_MAX */ 53 #include "internal/e_os.h" 54 55 #ifdef _WIN32 56 static int WIN32_rename(const char *from, const char *to); 57 #define rename(from, to) WIN32_rename((from), (to)) 58 #endif 59 60 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 61 #include <conio.h> 62 #endif 63 64 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__) 65 #define _kbhit kbhit 66 #endif 67 68 static BIO *bio_open_default_(const char *filename, char mode, int format, 69 int quiet); 70 71 #define PASS_SOURCE_SIZE_MAX 4 72 73 DEFINE_STACK_OF(CONF) 74 75 typedef struct { 76 const char *name; 77 unsigned long flag; 78 unsigned long mask; 79 } NAME_EX_TBL; 80 81 static int set_table_opts(unsigned long *flags, const char *arg, 82 const NAME_EX_TBL *in_tbl); 83 static int set_multi_opts(unsigned long *flags, const char *arg, 84 const NAME_EX_TBL *in_tbl); 85 int app_init(long mesgwin); 86 87 #ifndef APP_INIT 88 int app_init(long mesgwin) 89 { 90 return 1; 91 } 92 #endif 93 94 int ctx_set_verify_locations(SSL_CTX *ctx, 95 const char *CAfile, int noCAfile, 96 const char *CApath, int noCApath, 97 const char *CAstore, int noCAstore) 98 { 99 if (CAfile == NULL && CApath == NULL && CAstore == NULL) { 100 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0) 101 return 0; 102 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0) 103 return 0; 104 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0) 105 return 0; 106 107 return 1; 108 } 109 110 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) 111 return 0; 112 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) 113 return 0; 114 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore)) 115 return 0; 116 return 1; 117 } 118 119 #ifndef OPENSSL_NO_CT 120 121 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path) 122 { 123 if (path == NULL) 124 return SSL_CTX_set_default_ctlog_list_file(ctx); 125 126 return SSL_CTX_set_ctlog_list_file(ctx, path); 127 } 128 129 #endif 130 131 static unsigned long nmflag = 0; 132 static char nmflag_set = 0; 133 134 int set_nameopt(const char *arg) 135 { 136 int ret = set_name_ex(&nmflag, arg); 137 138 if (ret) 139 nmflag_set = 1; 140 141 return ret; 142 } 143 144 unsigned long get_nameopt(void) 145 { 146 return nmflag_set ? nmflag : XN_FLAG_SEP_CPLUS_SPC | XN_FLAG_FN_SN | ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_UTF8_CONVERT | ASN1_STRFLGS_DUMP_UNKNOWN | ASN1_STRFLGS_DUMP_DER; 147 } 148 149 void dump_cert_text(BIO *out, X509 *x) 150 { 151 print_name(out, "subject=", X509_get_subject_name(x)); 152 print_name(out, "issuer=", X509_get_issuer_name(x)); 153 } 154 155 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata) 156 { 157 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata); 158 } 159 160 static char *app_get_pass(const char *arg, int keepbio); 161 162 char *get_passwd(const char *pass, const char *desc) 163 { 164 char *result = NULL; 165 166 if (desc == NULL) 167 desc = "<unknown>"; 168 if (!app_passwd(pass, NULL, &result, NULL)) 169 BIO_printf(bio_err, "Error getting password for %s\n", desc); 170 if (pass != NULL && result == NULL) { 171 BIO_printf(bio_err, 172 "Trying plain input string (better precede with 'pass:')\n"); 173 result = OPENSSL_strdup(pass); 174 if (result == NULL) 175 BIO_printf(bio_err, 176 "Out of memory getting password for %s\n", desc); 177 } 178 return result; 179 } 180 181 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2) 182 { 183 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0; 184 185 if (arg1 != NULL) { 186 *pass1 = app_get_pass(arg1, same); 187 if (*pass1 == NULL) 188 return 0; 189 } else if (pass1 != NULL) { 190 *pass1 = NULL; 191 } 192 if (arg2 != NULL) { 193 *pass2 = app_get_pass(arg2, same ? 2 : 0); 194 if (*pass2 == NULL) { 195 if (pass1 != NULL) { 196 clear_free(*pass1); 197 *pass1 = NULL; 198 } 199 return 0; 200 } 201 } else if (pass2 != NULL) { 202 *pass2 = NULL; 203 } 204 return 1; 205 } 206 207 static char *app_get_pass(const char *arg, int keepbio) 208 { 209 static BIO *pwdbio = NULL; 210 char *tmp, tpass[APP_PASS_LEN]; 211 int i; 212 213 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */ 214 if (CHECK_AND_SKIP_PREFIX(arg, "pass:")) 215 return OPENSSL_strdup(arg); 216 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) { 217 tmp = getenv(arg); 218 if (tmp == NULL) { 219 BIO_printf(bio_err, "No environment variable %s\n", arg); 220 return NULL; 221 } 222 return OPENSSL_strdup(tmp); 223 } 224 if (!keepbio || pwdbio == NULL) { 225 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) { 226 pwdbio = BIO_new_file(arg, "r"); 227 if (pwdbio == NULL) { 228 BIO_printf(bio_err, "Can't open file %s\n", arg); 229 return NULL; 230 } 231 #if !defined(_WIN32) 232 /* 233 * Under _WIN32, which covers even Win64 and CE, file 234 * descriptors referenced by BIO_s_fd are not inherited 235 * by child process and therefore below is not an option. 236 * It could have been an option if bss_fd.c was operating 237 * on real Windows descriptors, such as those obtained 238 * with CreateFile. 239 */ 240 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) { 241 BIO *btmp; 242 243 i = atoi(arg); 244 if (i >= 0) 245 pwdbio = BIO_new_fd(i, BIO_NOCLOSE); 246 if ((i < 0) || pwdbio == NULL) { 247 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg); 248 return NULL; 249 } 250 /* 251 * Can't do BIO_gets on an fd BIO so add a buffering BIO 252 */ 253 btmp = BIO_new(BIO_f_buffer()); 254 if (btmp == NULL) { 255 BIO_free_all(pwdbio); 256 pwdbio = NULL; 257 BIO_printf(bio_err, "Out of memory\n"); 258 return NULL; 259 } 260 pwdbio = BIO_push(btmp, pwdbio); 261 #endif 262 } else if (strcmp(arg, "stdin") == 0) { 263 unbuffer(stdin); 264 pwdbio = dup_bio_in(FORMAT_TEXT); 265 if (pwdbio == NULL) { 266 BIO_printf(bio_err, "Can't open BIO for stdin\n"); 267 return NULL; 268 } 269 } else { 270 /* argument syntax error; do not reveal too much about arg */ 271 const char *arg_ptr = strchr(arg, ':'); 272 if (arg_ptr == NULL || arg_ptr - arg > PASS_SOURCE_SIZE_MAX) 273 BIO_printf(bio_err, 274 "Invalid password argument, missing ':' within the first %d chars\n", 275 PASS_SOURCE_SIZE_MAX + 1); 276 else 277 BIO_printf(bio_err, 278 "Invalid password argument, starting with \"%.*s\"\n", 279 (int)(arg_ptr - arg + 1), arg); 280 return NULL; 281 } 282 } 283 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN); 284 if (keepbio != 1) { 285 BIO_free_all(pwdbio); 286 pwdbio = NULL; 287 } 288 if (i <= 0) { 289 BIO_printf(bio_err, "Error reading password from BIO\n"); 290 return NULL; 291 } 292 tmp = strchr(tpass, '\n'); 293 if (tmp != NULL) 294 *tmp = 0; 295 return OPENSSL_strdup(tpass); 296 } 297 298 char *app_conf_try_string(const CONF *conf, const char *group, const char *name) 299 { 300 char *res; 301 302 ERR_set_mark(); 303 res = NCONF_get_string(conf, group, name); 304 if (res == NULL) 305 ERR_pop_to_mark(); 306 else 307 ERR_clear_last_mark(); 308 return res; 309 } 310 311 int app_conf_try_number(const CONF *conf, const char *group, const char *name, 312 long *result) 313 { 314 int ok; 315 316 ERR_set_mark(); 317 ok = NCONF_get_number(conf, group, name, result); 318 if (!ok) 319 ERR_pop_to_mark(); 320 else 321 ERR_clear_last_mark(); 322 return ok; 323 } 324 325 CONF *app_load_config_bio(BIO *in, const char *filename) 326 { 327 long errorline = -1; 328 CONF *conf; 329 int i; 330 331 conf = NCONF_new_ex(app_get0_libctx(), NULL); 332 i = NCONF_load_bio(conf, in, &errorline); 333 if (i > 0) 334 return conf; 335 336 if (errorline <= 0) { 337 BIO_printf(bio_err, "%s: Can't load ", opt_getprog()); 338 } else { 339 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(), 340 errorline); 341 } 342 if (filename != NULL) 343 BIO_printf(bio_err, "config file \"%s\"\n", filename); 344 else 345 BIO_printf(bio_err, "config input"); 346 347 NCONF_free(conf); 348 return NULL; 349 } 350 351 CONF *app_load_config_verbose(const char *filename, int verbose) 352 { 353 if (verbose) { 354 if (*filename == '\0') 355 BIO_printf(bio_err, "No configuration used\n"); 356 else 357 BIO_printf(bio_err, "Using configuration from %s\n", filename); 358 } 359 return app_load_config_internal(filename, 0); 360 } 361 362 CONF *app_load_config_internal(const char *filename, int quiet) 363 { 364 BIO *in; 365 CONF *conf; 366 367 if (filename == NULL || *filename != '\0') { 368 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL) 369 return NULL; 370 conf = app_load_config_bio(in, filename); 371 BIO_free(in); 372 } else { 373 /* Return empty config if filename is empty string. */ 374 conf = NCONF_new_ex(app_get0_libctx(), NULL); 375 } 376 return conf; 377 } 378 379 int app_load_modules(const CONF *config) 380 { 381 CONF *to_free = NULL; 382 383 if (config == NULL) 384 config = to_free = app_load_config_quiet(default_config_file); 385 if (config == NULL) 386 return 1; 387 388 if (CONF_modules_load(config, NULL, 0) <= 0) { 389 BIO_printf(bio_err, "Error configuring OpenSSL modules\n"); 390 ERR_print_errors(bio_err); 391 NCONF_free(to_free); 392 return 0; 393 } 394 NCONF_free(to_free); 395 return 1; 396 } 397 398 int add_oid_section(CONF *conf) 399 { 400 char *p; 401 STACK_OF(CONF_VALUE) *sktmp; 402 CONF_VALUE *cnf; 403 int i; 404 405 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL) 406 return 1; 407 if ((sktmp = NCONF_get_section(conf, p)) == NULL) { 408 BIO_printf(bio_err, "problem loading oid section %s\n", p); 409 return 0; 410 } 411 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 412 cnf = sk_CONF_VALUE_value(sktmp, i); 413 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 414 BIO_printf(bio_err, "problem creating object %s=%s\n", 415 cnf->name, cnf->value); 416 return 0; 417 } 418 } 419 return 1; 420 } 421 422 CONF *app_load_config_modules(const char *configfile) 423 { 424 CONF *conf = NULL; 425 426 if (configfile != NULL) { 427 if ((conf = app_load_config_verbose(configfile, 1)) == NULL) 428 return NULL; 429 if (configfile != default_config_file && !app_load_modules(conf)) { 430 NCONF_free(conf); 431 conf = NULL; 432 } 433 } 434 return conf; 435 } 436 437 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX)) 438 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX)) 439 440 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin, 441 const char *pass, const char *desc) 442 { 443 X509 *cert = NULL; 444 445 if (desc == NULL) 446 desc = "certificate"; 447 if (IS_HTTPS(uri)) { 448 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 449 } else if (IS_HTTP(uri)) { 450 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */); 451 if (cert == NULL) { 452 ERR_print_errors(bio_err); 453 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); 454 } 455 } else { 456 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, 457 NULL, NULL, NULL, &cert, NULL, NULL, NULL); 458 } 459 return cert; 460 } 461 462 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin, 463 const char *desc) 464 { 465 X509_CRL *crl = NULL; 466 467 if (desc == NULL) 468 desc = "CRL"; 469 if (IS_HTTPS(uri)) { 470 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 471 } else if (IS_HTTP(uri)) { 472 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */); 473 if (crl == NULL) { 474 ERR_print_errors(bio_err); 475 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); 476 } 477 } else { 478 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0, 479 NULL, NULL, NULL, NULL, NULL, &crl, NULL); 480 } 481 return crl; 482 } 483 484 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */ 485 X509_REQ *load_csr(const char *file, int format, const char *desc) 486 { 487 X509_REQ *req = NULL; 488 BIO *in; 489 490 if (format == FORMAT_UNDEF) 491 format = FORMAT_PEM; 492 in = bio_open_default(file, 'r', format); 493 if (in == NULL) 494 goto end; 495 496 if (format == FORMAT_ASN1) 497 req = d2i_X509_REQ_bio(in, NULL); 498 else if (format == FORMAT_PEM) 499 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 500 else 501 print_format_error(format, OPT_FMT_PEMDER); 502 503 end: 504 if (req == NULL) { 505 ERR_print_errors(bio_err); 506 if (desc != NULL) 507 BIO_printf(bio_err, "Unable to load %s\n", desc); 508 } 509 BIO_free(in); 510 return req; 511 } 512 513 /* Better extend OSSL_STORE to support CSRs, see FR #15725 */ 514 X509_REQ *load_csr_autofmt(const char *infile, int format, 515 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc) 516 { 517 X509_REQ *csr; 518 519 if (format != FORMAT_UNDEF) { 520 csr = load_csr(infile, format, desc); 521 } else { /* try PEM, then DER */ 522 BIO *bio_bak = bio_err; 523 524 bio_err = NULL; /* do not show errors on more than one try */ 525 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */); 526 bio_err = bio_bak; 527 if (csr == NULL) { 528 ERR_clear_error(); 529 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */); 530 } 531 if (csr == NULL) { 532 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", 533 desc, infile); 534 } 535 } 536 if (csr != NULL) { 537 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr); 538 int ret = do_X509_REQ_verify(csr, pkey, vfyopts); 539 540 if (pkey == NULL || ret < 0) 541 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n"); 542 else if (ret == 0) 543 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n"); 544 return csr; 545 } 546 return csr; 547 } 548 549 void cleanse(char *str) 550 { 551 if (str != NULL) 552 OPENSSL_cleanse(str, strlen(str)); 553 } 554 555 void clear_free(char *str) 556 { 557 if (str != NULL) 558 OPENSSL_clear_free(str, strlen(str)); 559 } 560 561 EVP_PKEY *load_key(const char *uri, int format, int may_stdin, 562 const char *pass, ENGINE *e, const char *desc) 563 { 564 EVP_PKEY *pkey = NULL; 565 char *allocated_uri = NULL; 566 567 if (desc == NULL) 568 desc = "private key"; 569 570 if (format == FORMAT_ENGINE) 571 uri = allocated_uri = make_engine_uri(e, uri, desc); 572 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0, 573 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 574 575 OPENSSL_free(allocated_uri); 576 return pkey; 577 } 578 579 /* first try reading public key, on failure resort to loading private key */ 580 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin, 581 const char *pass, ENGINE *e, const char *desc) 582 { 583 EVP_PKEY *pkey = NULL; 584 char *allocated_uri = NULL; 585 586 if (desc == NULL) 587 desc = "public key"; 588 589 if (format == FORMAT_ENGINE) 590 uri = allocated_uri = make_engine_uri(e, uri, desc); 591 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1, 592 NULL, &pkey, NULL, NULL, NULL, NULL, NULL); 593 if (pkey == NULL) 594 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, 595 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 596 OPENSSL_free(allocated_uri); 597 return pkey; 598 } 599 600 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin, 601 const char *keytype, const char *desc, 602 int suppress_decode_errors) 603 { 604 EVP_PKEY *params = NULL; 605 606 if (desc == NULL) 607 desc = "key parameters"; 608 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 609 suppress_decode_errors, 610 NULL, NULL, ¶ms, NULL, NULL, NULL, NULL); 611 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) { 612 ERR_print_errors(bio_err); 613 BIO_printf(bio_err, 614 "Unable to load %s from %s (unexpected parameters type)\n", 615 desc, uri); 616 EVP_PKEY_free(params); 617 params = NULL; 618 } 619 return params; 620 } 621 622 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin, 623 const char *keytype, const char *desc) 624 { 625 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0); 626 } 627 628 void app_bail_out(char *fmt, ...) 629 { 630 va_list args; 631 632 va_start(args, fmt); 633 BIO_vprintf(bio_err, fmt, args); 634 va_end(args); 635 ERR_print_errors(bio_err); 636 exit(EXIT_FAILURE); 637 } 638 639 void *app_malloc(size_t sz, const char *what) 640 { 641 void *vp = OPENSSL_malloc(sz); 642 643 if (vp == NULL) 644 app_bail_out("%s: Could not allocate %zu bytes for %s\n", 645 opt_getprog(), sz, what); 646 return vp; 647 } 648 649 char *next_item(char *opt) /* in list separated by comma and/or space */ 650 { 651 /* advance to separator (comma or whitespace), if any */ 652 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0') 653 opt++; 654 if (*opt != '\0') { 655 /* terminate current item */ 656 *opt++ = '\0'; 657 /* skip over any whitespace after separator */ 658 while (isspace(_UC(*opt))) 659 opt++; 660 } 661 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */ 662 } 663 664 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg) 665 { 666 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0); 667 668 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n", 669 uri, subj, msg); 670 OPENSSL_free(subj); 671 } 672 673 static void warn_cert(const char *uri, X509 *cert, int warn_EE, 674 X509_VERIFY_PARAM *vpm) 675 { 676 uint32_t ex_flags = X509_get_extension_flags(cert); 677 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert), 678 X509_get0_notAfter(cert)); 679 680 if (res != 0) 681 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid"); 682 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0) 683 warn_cert_msg(uri, cert, "is not a CA cert"); 684 } 685 686 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE, 687 X509_VERIFY_PARAM *vpm) 688 { 689 int i; 690 691 for (i = 0; i < sk_X509_num(certs); i++) 692 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm); 693 } 694 695 int load_cert_certs(const char *uri, 696 X509 **pcert, STACK_OF(X509) **pcerts, 697 int exclude_http, const char *pass, const char *desc, 698 X509_VERIFY_PARAM *vpm) 699 { 700 int ret = 0; 701 char *pass_string; 702 703 if (desc == NULL) 704 desc = pcerts == NULL ? "certificate" : "certificates"; 705 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://") || 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" \ 877 : pcerts != NULL ? "certificates" \ 878 : pcrl != NULL ? "CRL" \ 879 : pcrls != NULL ? "CRLs" \ 880 : NULL) 881 /* 882 * Load those types of credentials for which the result pointer is not NULL. 883 * Reads from stdin if 'uri' is NULL and 'maybe_stdin' is nonzero. 884 * 'format' parameter may be FORMAT_PEM, FORMAT_ASN1, or 0 for no hint. 885 * desc may contain more detail on the credential(s) to be loaded for error msg 886 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded. 887 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated. 888 * If pcerts is non-NULL then all available certificates are appended to *pcerts 889 * except any certificate assigned to *pcert. 890 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated. 891 * If pcrls is non-NULL then all available CRLs are appended to *pcerts 892 * except any CRL assigned to *pcrl. 893 * In any case (also on error) the caller is responsible for freeing all members 894 * of *pcerts and *pcrls (as far as they are not NULL). 895 */ 896 int load_key_certs_crls(const char *uri, int format, int maybe_stdin, 897 const char *pass, const char *desc, int quiet, 898 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 899 EVP_PKEY **pparams, 900 X509 **pcert, STACK_OF(X509) **pcerts, 901 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) 902 { 903 PW_CB_DATA uidata; 904 OSSL_STORE_CTX *ctx = NULL; 905 OSSL_LIB_CTX *libctx = app_get0_libctx(); 906 const char *propq = app_get0_propq(); 907 int ncerts = 0, ncrls = 0, expect = -1; 908 const char *failed = FAIL_NAME; 909 const char *input_type; 910 OSSL_PARAM itp[2]; 911 const OSSL_PARAM *params = NULL; 912 913 /* 'failed' describes type of credential to load for potential error msg */ 914 if (failed == NULL) { 915 if (!quiet) 916 BIO_printf(bio_err, "Internal error: nothing was requested to load from %s\n", 917 uri != NULL ? uri : "<stdin>"); 918 return 0; 919 } 920 /* suppress any extraneous errors left over from failed parse attempts */ 921 ERR_set_mark(); 922 923 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY); 924 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY); 925 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS); 926 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT); 927 /* 928 * Up to here, the following holds. 929 * If just one of the ppkey, ppubkey, pparams, and pcert function parameters 930 * is nonzero, expect > 0 indicates which type of credential is expected. 931 * If expect == 0, more than one of them is nonzero (multiple types expected). 932 */ 933 934 if (pcerts != NULL) { 935 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) { 936 if (!quiet) 937 BIO_printf(bio_err, "Out of memory loading"); 938 goto end; 939 } 940 /* 941 * Adapt the 'expect' variable: 942 * set to OSSL_STORE_INFO_CERT if no other type is expected so far, 943 * otherwise set to 0 (indicating that multiple types are expected). 944 */ 945 SET_EXPECT(OSSL_STORE_INFO_CERT); 946 } 947 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL); 948 if (pcrls != NULL) { 949 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) { 950 if (!quiet) 951 BIO_printf(bio_err, "Out of memory loading"); 952 goto end; 953 } 954 /* 955 * Adapt the 'expect' variable: 956 * set to OSSL_STORE_INFO_CRL if no other type is expected so far, 957 * otherwise set to 0 (indicating that multiple types are expected). 958 */ 959 SET_EXPECT(OSSL_STORE_INFO_CRL); 960 } 961 962 uidata.password = pass; 963 uidata.prompt_info = uri; 964 965 if ((input_type = format2string(format)) != NULL) { 966 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE, 967 (char *)input_type, 0); 968 itp[1] = OSSL_PARAM_construct_end(); 969 params = itp; 970 } 971 972 if (uri == NULL) { 973 BIO *bio; 974 975 if (!maybe_stdin) { 976 if (!quiet) 977 BIO_printf(bio_err, "No filename or uri specified for loading\n"); 978 goto end; 979 } 980 uri = "<stdin>"; 981 unbuffer(stdin); 982 bio = BIO_new_fp(stdin, 0); 983 if (bio != NULL) { 984 ctx = OSSL_STORE_attach(bio, "file", libctx, propq, 985 get_ui_method(), &uidata, params, 986 NULL, NULL); 987 BIO_free(bio); 988 } 989 } else { 990 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata, 991 params, NULL, NULL); 992 } 993 if (ctx == NULL) { 994 if (!quiet) 995 BIO_printf(bio_err, "Could not open file or uri for loading"); 996 goto end; 997 } 998 /* expect == 0 means here multiple types of credentials are to be loaded */ 999 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) { 1000 if (!quiet) 1001 BIO_printf(bio_err, "Internal error trying to load"); 1002 goto end; 1003 } 1004 1005 failed = NULL; 1006 /* from here, failed != NULL only if actually an error has been detected */ 1007 1008 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL 1009 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL) 1010 && !OSSL_STORE_eof(ctx)) { 1011 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); 1012 int type, ok = 1; 1013 1014 /* 1015 * This can happen (for example) if we attempt to load a file with 1016 * multiple different types of things in it - but the thing we just 1017 * tried to load wasn't one of the ones we wanted, e.g. if we're trying 1018 * to load a certificate but the file has both the private key and the 1019 * certificate in it. We just retry until eof. 1020 */ 1021 if (info == NULL) { 1022 continue; 1023 } 1024 1025 type = OSSL_STORE_INFO_get_type(info); 1026 switch (type) { 1027 case OSSL_STORE_INFO_PKEY: 1028 if (ppkey != NULL) { 1029 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; 1030 if (ok) 1031 ppkey = NULL; 1032 break; 1033 } 1034 /* 1035 * An EVP_PKEY with private parts also holds the public parts, 1036 * so if the caller asked for a public key, and we got a private 1037 * key, we can still pass it back. 1038 */ 1039 /* fall through */ 1040 case OSSL_STORE_INFO_PUBKEY: 1041 if (ppubkey != NULL) { 1042 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL; 1043 if (ok) 1044 ppubkey = NULL; 1045 } 1046 break; 1047 case OSSL_STORE_INFO_PARAMS: 1048 if (pparams != NULL) { 1049 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL; 1050 if (ok) 1051 pparams = NULL; 1052 } 1053 break; 1054 case OSSL_STORE_INFO_CERT: 1055 if (pcert != NULL) { 1056 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; 1057 if (ok) 1058 pcert = NULL; 1059 } else if (pcerts != NULL) { 1060 X509 *cert = OSSL_STORE_INFO_get1_CERT(info); 1061 1062 ok = cert != NULL 1063 && X509_add_cert(*pcerts, cert, X509_ADD_FLAG_DEFAULT); 1064 if (!ok) 1065 X509_free(cert); 1066 } 1067 ncerts += ok; 1068 break; 1069 case OSSL_STORE_INFO_CRL: 1070 if (pcrl != NULL) { 1071 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1072 if (ok) 1073 pcrl = NULL; 1074 } else if (pcrls != NULL) { 1075 X509_CRL *crl = OSSL_STORE_INFO_get1_CRL(info); 1076 1077 ok = crl != NULL && sk_X509_CRL_push(*pcrls, crl); 1078 if (!ok) 1079 X509_CRL_free(crl); 1080 } 1081 ncrls += ok; 1082 break; 1083 default: 1084 /* skip any other type; ok stays == 1 */ 1085 break; 1086 } 1087 OSSL_STORE_INFO_free(info); 1088 if (!ok) { 1089 failed = OSSL_STORE_INFO_type_string(type); 1090 if (!quiet) 1091 BIO_printf(bio_err, "Error reading"); 1092 break; 1093 } 1094 } 1095 1096 end: 1097 OSSL_STORE_close(ctx); 1098 1099 /* see if any of the requested types of credentials was not found */ 1100 if (failed == NULL) { 1101 if (ncerts > 0) 1102 pcerts = NULL; 1103 if (ncrls > 0) 1104 pcrls = NULL; 1105 failed = FAIL_NAME; 1106 if (failed != NULL && !quiet) 1107 BIO_printf(bio_err, "Could not find"); 1108 } 1109 1110 if (failed != NULL && !quiet) { 1111 unsigned long err = ERR_peek_last_error(); 1112 1113 /* continue the error message with the type of credential affected */ 1114 if (desc != NULL && strstr(desc, failed) != NULL) { 1115 BIO_printf(bio_err, " %s", desc); 1116 } else { 1117 BIO_printf(bio_err, " %s", failed); 1118 if (desc != NULL) 1119 BIO_printf(bio_err, " of %s", desc); 1120 } 1121 if (uri != NULL) 1122 BIO_printf(bio_err, " from %s", uri); 1123 if (ERR_SYSTEM_ERROR(err)) { 1124 /* provide more readable diagnostic output */ 1125 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err))); 1126 ERR_pop_to_mark(); 1127 ERR_set_mark(); 1128 } 1129 BIO_printf(bio_err, "\n"); 1130 ERR_print_errors(bio_err); 1131 } 1132 if (quiet || failed == NULL) 1133 /* clear any suppressed or spurious errors */ 1134 ERR_pop_to_mark(); 1135 else 1136 ERR_clear_last_mark(); 1137 return failed == NULL; 1138 } 1139 1140 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1141 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */ 1142 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */ 1143 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */ 1144 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */ 1145 1146 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1147 1148 int set_cert_ex(unsigned long *flags, const char *arg) 1149 { 1150 static const NAME_EX_TBL cert_tbl[] = { 1151 { "compatible", X509_FLAG_COMPAT, 0xffffffffl }, 1152 { "ca_default", X509_FLAG_CA, 0xffffffffl }, 1153 { "no_header", X509_FLAG_NO_HEADER, 0 }, 1154 { "no_version", X509_FLAG_NO_VERSION, 0 }, 1155 { "no_serial", X509_FLAG_NO_SERIAL, 0 }, 1156 { "no_signame", X509_FLAG_NO_SIGNAME, 0 }, 1157 { "no_validity", X509_FLAG_NO_VALIDITY, 0 }, 1158 { "no_subject", X509_FLAG_NO_SUBJECT, 0 }, 1159 { "no_issuer", X509_FLAG_NO_ISSUER, 0 }, 1160 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0 }, 1161 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0 }, 1162 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0 }, 1163 { "no_aux", X509_FLAG_NO_AUX, 0 }, 1164 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0 }, 1165 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK }, 1166 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1167 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1168 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1169 { NULL, 0, 0 } 1170 }; 1171 return set_multi_opts(flags, arg, cert_tbl); 1172 } 1173 1174 int set_name_ex(unsigned long *flags, const char *arg) 1175 { 1176 static const NAME_EX_TBL ex_tbl[] = { 1177 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0 }, 1178 { "esc_2254", ASN1_STRFLGS_ESC_2254, 0 }, 1179 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0 }, 1180 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0 }, 1181 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0 }, 1182 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0 }, 1183 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0 }, 1184 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0 }, 1185 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0 }, 1186 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0 }, 1187 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0 }, 1188 { "compat", XN_FLAG_COMPAT, 0xffffffffL }, 1189 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK }, 1190 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK }, 1191 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK }, 1192 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK }, 1193 { "dn_rev", XN_FLAG_DN_REV, 0 }, 1194 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK }, 1195 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK }, 1196 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK }, 1197 { "align", XN_FLAG_FN_ALIGN, 0 }, 1198 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK }, 1199 { "space_eq", XN_FLAG_SPC_EQ, 0 }, 1200 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0 }, 1201 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL }, 1202 { "oneline", XN_FLAG_ONELINE, 0xffffffffL }, 1203 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL }, 1204 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL }, 1205 { NULL, 0, 0 } 1206 }; 1207 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1208 return 0; 1209 if (*flags != XN_FLAG_COMPAT 1210 && (*flags & XN_FLAG_SEP_MASK) == 0) 1211 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1212 return 1; 1213 } 1214 1215 int set_dateopt(unsigned long *dateopt, const char *arg) 1216 { 1217 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1218 *dateopt = ASN1_DTFLGS_RFC822; 1219 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1220 *dateopt = ASN1_DTFLGS_ISO8601; 1221 else 1222 return 0; 1223 return 1; 1224 } 1225 1226 int set_ext_copy(int *copy_type, const char *arg) 1227 { 1228 if (OPENSSL_strcasecmp(arg, "none") == 0) 1229 *copy_type = EXT_COPY_NONE; 1230 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1231 *copy_type = EXT_COPY_ADD; 1232 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1233 *copy_type = EXT_COPY_ALL; 1234 else 1235 return 0; 1236 return 1; 1237 } 1238 1239 int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1240 { 1241 STACK_OF(X509_EXTENSION) *exts; 1242 int i, ret = 0; 1243 1244 if (x == NULL || req == NULL) 1245 return 0; 1246 if (copy_type == EXT_COPY_NONE) 1247 return 1; 1248 exts = X509_REQ_get_extensions(req); 1249 1250 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1251 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1252 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1253 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1254 1255 /* Does extension exist in target? */ 1256 if (idx != -1) { 1257 /* If normal copy don't override existing extension */ 1258 if (copy_type == EXT_COPY_ADD) 1259 continue; 1260 /* Delete all extensions of same type */ 1261 do { 1262 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1263 idx = X509_get_ext_by_OBJ(x, obj, -1); 1264 } while (idx != -1); 1265 } 1266 if (!X509_add_ext(x, ext, -1)) 1267 goto end; 1268 } 1269 ret = 1; 1270 1271 end: 1272 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1273 return ret; 1274 } 1275 1276 static int set_multi_opts(unsigned long *flags, const char *arg, 1277 const NAME_EX_TBL *in_tbl) 1278 { 1279 STACK_OF(CONF_VALUE) *vals; 1280 CONF_VALUE *val; 1281 int i, ret = 1; 1282 1283 if (!arg) 1284 return 0; 1285 vals = X509V3_parse_list(arg); 1286 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1287 val = sk_CONF_VALUE_value(vals, i); 1288 if (!set_table_opts(flags, val->name, in_tbl)) 1289 ret = 0; 1290 } 1291 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1292 return ret; 1293 } 1294 1295 static int set_table_opts(unsigned long *flags, const char *arg, 1296 const NAME_EX_TBL *in_tbl) 1297 { 1298 char c; 1299 const NAME_EX_TBL *ptbl; 1300 1301 c = arg[0]; 1302 if (c == '-') { 1303 c = 0; 1304 arg++; 1305 } else if (c == '+') { 1306 c = 1; 1307 arg++; 1308 } else { 1309 c = 1; 1310 } 1311 1312 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1313 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1314 *flags &= ~ptbl->mask; 1315 if (c) 1316 *flags |= ptbl->flag; 1317 else 1318 *flags &= ~ptbl->flag; 1319 return 1; 1320 } 1321 } 1322 return 0; 1323 } 1324 1325 void print_name(BIO *out, const char *title, const X509_NAME *nm) 1326 { 1327 char *buf; 1328 char mline = 0; 1329 int indent = 0; 1330 unsigned long lflags = get_nameopt(); 1331 1332 if (out == NULL) 1333 return; 1334 if (title != NULL) 1335 BIO_puts(out, title); 1336 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1337 mline = 1; 1338 indent = 4; 1339 } 1340 if (lflags == XN_FLAG_COMPAT) { 1341 buf = X509_NAME_oneline(nm, 0, 0); 1342 BIO_puts(out, buf); 1343 BIO_puts(out, "\n"); 1344 OPENSSL_free(buf); 1345 } else { 1346 if (mline) 1347 BIO_puts(out, "\n"); 1348 X509_NAME_print_ex(out, nm, indent, lflags); 1349 BIO_puts(out, "\n"); 1350 } 1351 } 1352 1353 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1354 int len, unsigned char *buffer) 1355 { 1356 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1357 if (BN_is_zero(in)) { 1358 BIO_printf(out, "\n 0x00"); 1359 } else { 1360 int i, l; 1361 1362 l = BN_bn2bin(in, buffer); 1363 for (i = 0; i < l; i++) { 1364 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1365 if (i < l - 1) 1366 BIO_printf(out, "0x%02X,", buffer[i]); 1367 else 1368 BIO_printf(out, "0x%02X", buffer[i]); 1369 } 1370 } 1371 BIO_printf(out, "\n };\n"); 1372 } 1373 1374 void print_array(BIO *out, const char *title, int len, const unsigned char *d) 1375 { 1376 int i; 1377 1378 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1379 for (i = 0; i < len; i++) { 1380 if ((i % 10) == 0) 1381 BIO_printf(out, "\n "); 1382 if (i < len - 1) 1383 BIO_printf(out, "0x%02X, ", d[i]); 1384 else 1385 BIO_printf(out, "0x%02X", d[i]); 1386 } 1387 BIO_printf(out, "\n};\n"); 1388 } 1389 1390 X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1391 const char *CApath, int noCApath, 1392 const char *CAstore, int noCAstore) 1393 { 1394 X509_STORE *store = X509_STORE_new(); 1395 X509_LOOKUP *lookup; 1396 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1397 const char *propq = app_get0_propq(); 1398 1399 if (store == NULL) 1400 goto end; 1401 1402 if (CAfile != NULL || !noCAfile) { 1403 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1404 if (lookup == NULL) 1405 goto end; 1406 if (CAfile != NULL) { 1407 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1408 libctx, propq) 1409 <= 0) { 1410 ERR_clear_error(); 1411 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1, 1412 libctx, propq) 1413 <= 0) { 1414 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1415 goto end; 1416 } 1417 } 1418 } else { 1419 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1420 libctx, propq); 1421 } 1422 } 1423 1424 if (CApath != NULL || !noCApath) { 1425 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1426 if (lookup == NULL) 1427 goto end; 1428 if (CApath != NULL) { 1429 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1430 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1431 goto end; 1432 } 1433 } else { 1434 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1435 } 1436 } 1437 1438 if (CAstore != NULL || !noCAstore) { 1439 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1440 if (lookup == NULL) 1441 goto end; 1442 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1443 if (CAstore != NULL) 1444 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1445 goto end; 1446 } 1447 } 1448 1449 ERR_clear_error(); 1450 return store; 1451 end: 1452 ERR_print_errors(bio_err); 1453 X509_STORE_free(store); 1454 return NULL; 1455 } 1456 1457 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1458 { 1459 const char *n; 1460 1461 n = a[DB_serial]; 1462 while (*n == '0') 1463 n++; 1464 return OPENSSL_LH_strhash(n); 1465 } 1466 1467 static int index_serial_cmp(const OPENSSL_CSTRING *a, 1468 const OPENSSL_CSTRING *b) 1469 { 1470 const char *aa, *bb; 1471 1472 for (aa = a[DB_serial]; *aa == '0'; aa++) 1473 ; 1474 for (bb = b[DB_serial]; *bb == '0'; bb++) 1475 ; 1476 return strcmp(aa, bb); 1477 } 1478 1479 static int index_name_qual(char **a) 1480 { 1481 return (a[0][0] == 'V'); 1482 } 1483 1484 static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1485 { 1486 return OPENSSL_LH_strhash(a[DB_name]); 1487 } 1488 1489 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1490 { 1491 return strcmp(a[DB_name], b[DB_name]); 1492 } 1493 1494 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1495 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1496 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1497 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1498 #undef BSIZE 1499 #define BSIZE 256 1500 BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1501 ASN1_INTEGER **retai) 1502 { 1503 BIO *in = NULL; 1504 BIGNUM *ret = NULL; 1505 char buf[1024]; 1506 ASN1_INTEGER *ai = NULL; 1507 1508 ai = ASN1_INTEGER_new(); 1509 if (ai == NULL) 1510 goto err; 1511 1512 in = BIO_new_file(serialfile, "r"); 1513 if (exists != NULL) 1514 *exists = in != NULL; 1515 if (in == NULL) { 1516 if (!create) { 1517 perror(serialfile); 1518 goto err; 1519 } 1520 ERR_clear_error(); 1521 ret = BN_new(); 1522 if (ret == NULL) { 1523 BIO_printf(bio_err, "Out of memory\n"); 1524 } else if (!rand_serial(ret, ai)) { 1525 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1526 serialfile); 1527 BN_free(ret); 1528 ret = NULL; 1529 } 1530 } else { 1531 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1532 BIO_printf(bio_err, "Unable to load number from %s\n", 1533 serialfile); 1534 goto err; 1535 } 1536 ret = ASN1_INTEGER_to_BN(ai, NULL); 1537 if (ret == NULL) { 1538 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1539 goto err; 1540 } 1541 } 1542 1543 if (ret != NULL && retai != NULL) { 1544 *retai = ai; 1545 ai = NULL; 1546 } 1547 err: 1548 if (ret == NULL) 1549 ERR_print_errors(bio_err); 1550 BIO_free(in); 1551 ASN1_INTEGER_free(ai); 1552 return ret; 1553 } 1554 1555 int save_serial(const char *serialfile, const char *suffix, 1556 const BIGNUM *serial, ASN1_INTEGER **retai) 1557 { 1558 char buf[1][BSIZE]; 1559 BIO *out = NULL; 1560 int ret = 0; 1561 ASN1_INTEGER *ai = NULL; 1562 int j; 1563 1564 if (suffix == NULL) 1565 j = strlen(serialfile); 1566 else 1567 j = strlen(serialfile) + strlen(suffix) + 1; 1568 if (j >= BSIZE) { 1569 BIO_printf(bio_err, "File name too long\n"); 1570 goto err; 1571 } 1572 1573 if (suffix == NULL) { 1574 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1575 } else { 1576 #ifndef OPENSSL_SYS_VMS 1577 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1578 #else 1579 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1580 #endif 1581 } 1582 out = BIO_new_file(buf[0], "w"); 1583 if (out == NULL) { 1584 goto err; 1585 } 1586 1587 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1588 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1589 goto err; 1590 } 1591 i2a_ASN1_INTEGER(out, ai); 1592 BIO_puts(out, "\n"); 1593 ret = 1; 1594 if (retai) { 1595 *retai = ai; 1596 ai = NULL; 1597 } 1598 err: 1599 if (!ret) 1600 ERR_print_errors(bio_err); 1601 BIO_free_all(out); 1602 ASN1_INTEGER_free(ai); 1603 return ret; 1604 } 1605 1606 int rotate_serial(const char *serialfile, const char *new_suffix, 1607 const char *old_suffix) 1608 { 1609 char buf[2][BSIZE]; 1610 int i, j; 1611 1612 i = strlen(serialfile) + strlen(old_suffix); 1613 j = strlen(serialfile) + strlen(new_suffix); 1614 if (i > j) 1615 j = i; 1616 if (j + 1 >= BSIZE) { 1617 BIO_printf(bio_err, "File name too long\n"); 1618 goto err; 1619 } 1620 #ifndef OPENSSL_SYS_VMS 1621 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1622 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1623 #else 1624 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1625 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1626 #endif 1627 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1628 #ifdef ENOTDIR 1629 && errno != ENOTDIR 1630 #endif 1631 ) { 1632 BIO_printf(bio_err, 1633 "Unable to rename %s to %s\n", serialfile, buf[1]); 1634 perror("reason"); 1635 goto err; 1636 } 1637 if (rename(buf[0], serialfile) < 0) { 1638 BIO_printf(bio_err, 1639 "Unable to rename %s to %s\n", buf[0], serialfile); 1640 perror("reason"); 1641 rename(buf[1], serialfile); 1642 goto err; 1643 } 1644 return 1; 1645 err: 1646 ERR_print_errors(bio_err); 1647 return 0; 1648 } 1649 1650 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1651 { 1652 BIGNUM *btmp; 1653 int ret = 0; 1654 1655 btmp = b == NULL ? BN_new() : b; 1656 if (btmp == NULL) 1657 return 0; 1658 1659 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1660 goto error; 1661 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1662 goto error; 1663 1664 ret = 1; 1665 1666 error: 1667 1668 if (btmp != b) 1669 BN_free(btmp); 1670 1671 return ret; 1672 } 1673 1674 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1675 { 1676 CA_DB *retdb = NULL; 1677 TXT_DB *tmpdb = NULL; 1678 BIO *in; 1679 CONF *dbattr_conf = NULL; 1680 char buf[BSIZE]; 1681 #ifndef OPENSSL_NO_POSIX_IO 1682 FILE *dbfp; 1683 struct stat dbst; 1684 #endif 1685 1686 in = BIO_new_file(dbfile, "r"); 1687 if (in == NULL) 1688 goto err; 1689 1690 #ifndef OPENSSL_NO_POSIX_IO 1691 BIO_get_fp(in, &dbfp); 1692 if (fstat(fileno(dbfp), &dbst) == -1) { 1693 ERR_raise_data(ERR_LIB_SYS, errno, 1694 "calling fstat(%s)", dbfile); 1695 goto err; 1696 } 1697 #endif 1698 1699 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1700 goto err; 1701 1702 #ifndef OPENSSL_SYS_VMS 1703 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1704 #else 1705 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1706 #endif 1707 dbattr_conf = app_load_config_quiet(buf); 1708 1709 retdb = app_malloc(sizeof(*retdb), "new DB"); 1710 retdb->db = tmpdb; 1711 tmpdb = NULL; 1712 if (db_attr) 1713 retdb->attributes = *db_attr; 1714 else 1715 retdb->attributes.unique_subject = 1; 1716 1717 if (dbattr_conf != NULL) { 1718 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject"); 1719 1720 if (p != NULL) 1721 retdb->attributes.unique_subject = parse_yesno(p, 1); 1722 } 1723 1724 retdb->dbfname = OPENSSL_strdup(dbfile); 1725 if (retdb->dbfname == NULL) 1726 goto err; 1727 1728 #ifndef OPENSSL_NO_POSIX_IO 1729 retdb->dbst = dbst; 1730 #endif 1731 1732 err: 1733 ERR_print_errors(bio_err); 1734 NCONF_free(dbattr_conf); 1735 TXT_DB_free(tmpdb); 1736 BIO_free_all(in); 1737 return retdb; 1738 } 1739 1740 /* 1741 * Returns > 0 on success, <= 0 on error 1742 */ 1743 int index_index(CA_DB *db) 1744 { 1745 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1746 LHASH_HASH_FN(index_serial), 1747 LHASH_COMP_FN(index_serial))) { 1748 BIO_printf(bio_err, 1749 "Error creating serial number index:(%ld,%ld,%ld)\n", 1750 db->db->error, db->db->arg1, db->db->arg2); 1751 goto err; 1752 } 1753 1754 if (db->attributes.unique_subject 1755 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1756 LHASH_HASH_FN(index_name), 1757 LHASH_COMP_FN(index_name))) { 1758 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1759 db->db->error, db->db->arg1, db->db->arg2); 1760 goto err; 1761 } 1762 return 1; 1763 err: 1764 ERR_print_errors(bio_err); 1765 return 0; 1766 } 1767 1768 int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1769 { 1770 char buf[3][BSIZE]; 1771 BIO *out; 1772 int j; 1773 1774 j = strlen(dbfile) + strlen(suffix); 1775 if (j + 6 >= BSIZE) { 1776 BIO_printf(bio_err, "File name too long\n"); 1777 goto err; 1778 } 1779 #ifndef OPENSSL_SYS_VMS 1780 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile); 1781 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix); 1782 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix); 1783 #else 1784 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1785 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1786 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1787 #endif 1788 out = BIO_new_file(buf[0], "w"); 1789 if (out == NULL) { 1790 perror(dbfile); 1791 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1792 goto err; 1793 } 1794 j = TXT_DB_write(out, db->db); 1795 BIO_free(out); 1796 if (j <= 0) 1797 goto err; 1798 1799 out = BIO_new_file(buf[1], "w"); 1800 if (out == NULL) { 1801 perror(buf[2]); 1802 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1803 goto err; 1804 } 1805 BIO_printf(out, "unique_subject = %s\n", 1806 db->attributes.unique_subject ? "yes" : "no"); 1807 BIO_free(out); 1808 1809 return 1; 1810 err: 1811 ERR_print_errors(bio_err); 1812 return 0; 1813 } 1814 1815 int rotate_index(const char *dbfile, const char *new_suffix, 1816 const char *old_suffix) 1817 { 1818 char buf[5][BSIZE]; 1819 int i, j; 1820 1821 i = strlen(dbfile) + strlen(old_suffix); 1822 j = strlen(dbfile) + strlen(new_suffix); 1823 if (i > j) 1824 j = i; 1825 if (j + 6 >= BSIZE) { 1826 BIO_printf(bio_err, "File name too long\n"); 1827 goto err; 1828 } 1829 #ifndef OPENSSL_SYS_VMS 1830 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1831 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1832 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1833 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1834 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1835 #else 1836 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1837 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1838 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1839 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1840 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1841 #endif 1842 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1843 #ifdef ENOTDIR 1844 && errno != ENOTDIR 1845 #endif 1846 ) { 1847 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1848 perror("reason"); 1849 goto err; 1850 } 1851 if (rename(buf[0], dbfile) < 0) { 1852 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1853 perror("reason"); 1854 rename(buf[1], dbfile); 1855 goto err; 1856 } 1857 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1858 #ifdef ENOTDIR 1859 && errno != ENOTDIR 1860 #endif 1861 ) { 1862 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1863 perror("reason"); 1864 rename(dbfile, buf[0]); 1865 rename(buf[1], dbfile); 1866 goto err; 1867 } 1868 if (rename(buf[2], buf[4]) < 0) { 1869 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1870 perror("reason"); 1871 rename(buf[3], buf[4]); 1872 rename(dbfile, buf[0]); 1873 rename(buf[1], dbfile); 1874 goto err; 1875 } 1876 return 1; 1877 err: 1878 ERR_print_errors(bio_err); 1879 return 0; 1880 } 1881 1882 void free_index(CA_DB *db) 1883 { 1884 if (db) { 1885 TXT_DB_free(db->db); 1886 OPENSSL_free(db->dbfname); 1887 OPENSSL_free(db); 1888 } 1889 } 1890 1891 int parse_yesno(const char *str, int def) 1892 { 1893 if (str) { 1894 switch (*str) { 1895 case 'f': /* false */ 1896 case 'F': /* FALSE */ 1897 case 'n': /* no */ 1898 case 'N': /* NO */ 1899 case '0': /* 0 */ 1900 return 0; 1901 case 't': /* true */ 1902 case 'T': /* TRUE */ 1903 case 'y': /* yes */ 1904 case 'Y': /* YES */ 1905 case '1': /* 1 */ 1906 return 1; 1907 } 1908 } 1909 return def; 1910 } 1911 1912 /* 1913 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1914 * where + can be used instead of / to form multi-valued RDNs if canmulti 1915 * and characters may be escaped by \ 1916 */ 1917 X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1918 const char *desc) 1919 { 1920 int nextismulti = 0; 1921 char *work; 1922 X509_NAME *n; 1923 1924 if (*cp++ != '/') { 1925 BIO_printf(bio_err, 1926 "%s: %s name is expected to be in the format " 1927 "/type0=value0/type1=value1/type2=... where characters may " 1928 "be escaped by \\. This name is not in that format: '%s'\n", 1929 opt_getprog(), desc, --cp); 1930 return NULL; 1931 } 1932 1933 n = X509_NAME_new(); 1934 if (n == NULL) { 1935 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1936 return NULL; 1937 } 1938 work = OPENSSL_strdup(cp); 1939 if (work == NULL) { 1940 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1941 opt_getprog(), desc); 1942 goto err; 1943 } 1944 1945 while (*cp != '\0') { 1946 char *bp = work; 1947 char *typestr = bp; 1948 unsigned char *valstr; 1949 int nid; 1950 int ismulti = nextismulti; 1951 1952 nextismulti = 0; 1953 1954 /* Collect the type */ 1955 while (*cp != '\0' && *cp != '=') 1956 *bp++ = *cp++; 1957 *bp++ = '\0'; 1958 if (*cp == '\0') { 1959 BIO_printf(bio_err, 1960 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1961 opt_getprog(), typestr, desc); 1962 goto err; 1963 } 1964 ++cp; 1965 1966 /* Collect the value. */ 1967 valstr = (unsigned char *)bp; 1968 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 1969 /* unescaped '+' symbol string signals further member of multiRDN */ 1970 if (canmulti && *cp == '+') { 1971 nextismulti = 1; 1972 break; 1973 } 1974 if (*cp == '\\' && *++cp == '\0') { 1975 BIO_printf(bio_err, 1976 "%s: Escape character at end of %s name string\n", 1977 opt_getprog(), desc); 1978 goto err; 1979 } 1980 } 1981 *bp++ = '\0'; 1982 1983 /* If not at EOS (must be + or /), move forward. */ 1984 if (*cp != '\0') 1985 ++cp; 1986 1987 /* Parse */ 1988 nid = OBJ_txt2nid(typestr); 1989 if (nid == NID_undef) { 1990 BIO_printf(bio_err, 1991 "%s warning: Skipping unknown %s name attribute \"%s\"\n", 1992 opt_getprog(), desc, typestr); 1993 if (ismulti) 1994 BIO_printf(bio_err, 1995 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", 1996 opt_getprog()); 1997 continue; 1998 } 1999 if (*valstr == '\0') { 2000 BIO_printf(bio_err, 2001 "%s warning: No value provided for %s name attribute \"%s\", skipped\n", 2002 opt_getprog(), desc, typestr); 2003 continue; 2004 } 2005 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 2006 valstr, strlen((char *)valstr), 2007 -1, ismulti ? -1 : 0)) { 2008 ERR_print_errors(bio_err); 2009 BIO_printf(bio_err, 2010 "%s: Error adding %s name attribute \"/%s=%s\"\n", 2011 opt_getprog(), desc, typestr, valstr); 2012 goto err; 2013 } 2014 } 2015 2016 OPENSSL_free(work); 2017 return n; 2018 2019 err: 2020 X509_NAME_free(n); 2021 OPENSSL_free(work); 2022 return NULL; 2023 } 2024 2025 /* 2026 * Read whole contents of a BIO into an allocated memory buffer. 2027 * The return value is one on success, zero on error. 2028 * If `maxlen` is non-zero, at most `maxlen` bytes are returned, or else, if 2029 * the input is longer than `maxlen`, an error is returned. 2030 * If `maxlen` is zero, the limit is effectively `SIZE_MAX`. 2031 */ 2032 int bio_to_mem(unsigned char **out, size_t *outlen, size_t maxlen, BIO *in) 2033 { 2034 unsigned char tbuf[4096]; 2035 BIO *mem; 2036 BUF_MEM *bufm; 2037 size_t sz = 0; 2038 int len; 2039 2040 mem = BIO_new(BIO_s_mem()); 2041 if (mem == NULL) 2042 return 0; 2043 for (;;) { 2044 if ((len = BIO_read(in, tbuf, 4096)) == 0) 2045 break; 2046 if (len < 0 2047 || BIO_write(mem, tbuf, len) != len 2048 || sz > SIZE_MAX - len 2049 || ((sz += len) > maxlen && maxlen != 0)) { 2050 BIO_free(mem); 2051 return 0; 2052 } 2053 } 2054 2055 /* So BIO_free orphans BUF_MEM */ 2056 (void)BIO_set_close(mem, BIO_NOCLOSE); 2057 BIO_get_mem_ptr(mem, &bufm); 2058 BIO_free(mem); 2059 *out = (unsigned char *)bufm->data; 2060 *outlen = bufm->length; 2061 /* Tell BUF_MEM to orphan data */ 2062 bufm->data = NULL; 2063 BUF_MEM_free(bufm); 2064 return 1; 2065 } 2066 2067 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2068 { 2069 int rv = 0; 2070 char *stmp, *vtmp = NULL; 2071 2072 stmp = OPENSSL_strdup(value); 2073 if (stmp == NULL) 2074 return -1; 2075 vtmp = strchr(stmp, ':'); 2076 if (vtmp == NULL) 2077 goto err; 2078 2079 *vtmp = 0; 2080 vtmp++; 2081 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2082 2083 err: 2084 OPENSSL_free(stmp); 2085 return rv; 2086 } 2087 2088 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2089 { 2090 X509_POLICY_NODE *node; 2091 int i; 2092 2093 BIO_printf(bio_err, "%s Policies:", name); 2094 if (nodes) { 2095 BIO_puts(bio_err, "\n"); 2096 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2097 node = sk_X509_POLICY_NODE_value(nodes, i); 2098 X509_POLICY_NODE_print(bio_err, node, 2); 2099 } 2100 } else { 2101 BIO_puts(bio_err, " <empty>\n"); 2102 } 2103 } 2104 2105 void policies_print(X509_STORE_CTX *ctx) 2106 { 2107 X509_POLICY_TREE *tree; 2108 int explicit_policy; 2109 2110 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2111 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2112 2113 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2114 explicit_policy ? "True" : "False"); 2115 2116 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2117 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2118 } 2119 2120 /*- 2121 * next_protos_parse parses a comma separated list of strings into a string 2122 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2123 * outlen: (output) set to the length of the resulting buffer on success. 2124 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2125 * in: a NUL terminated string like "abc,def,ghi" 2126 * 2127 * returns: a malloc'd buffer or NULL on failure. 2128 */ 2129 unsigned char *next_protos_parse(size_t *outlen, const char *in) 2130 { 2131 size_t len; 2132 unsigned char *out; 2133 size_t i, start = 0; 2134 size_t skipped = 0; 2135 2136 len = strlen(in); 2137 if (len == 0 || len >= 65535) 2138 return NULL; 2139 2140 out = app_malloc(len + 1, "NPN buffer"); 2141 for (i = 0; i <= len; ++i) { 2142 if (i == len || in[i] == ',') { 2143 /* 2144 * Zero-length ALPN elements are invalid on the wire, we could be 2145 * strict and reject the entire string, but just ignoring extra 2146 * commas seems harmless and more friendly. 2147 * 2148 * Every comma we skip in this way puts the input buffer another 2149 * byte ahead of the output buffer, so all stores into the output 2150 * buffer need to be decremented by the number commas skipped. 2151 */ 2152 if (i == start) { 2153 ++start; 2154 ++skipped; 2155 continue; 2156 } 2157 if (i - start > 255) { 2158 OPENSSL_free(out); 2159 return NULL; 2160 } 2161 out[start - skipped] = (unsigned char)(i - start); 2162 start = i + 1; 2163 } else { 2164 out[i + 1 - skipped] = in[i]; 2165 } 2166 } 2167 2168 if (len <= skipped) { 2169 OPENSSL_free(out); 2170 return NULL; 2171 } 2172 2173 *outlen = len + 1 - skipped; 2174 return out; 2175 } 2176 2177 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost, 2178 const char *checkemail, const char *checkip, 2179 int print) 2180 { 2181 int valid_host = 0; 2182 int valid_mail = 0; 2183 int valid_ip = 0; 2184 int ret = 1; 2185 2186 if (x == NULL) 2187 return 0; 2188 2189 if (checkhost != NULL) { 2190 valid_host = X509_check_host(x, checkhost, 0, 0, NULL); 2191 if (print) 2192 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2193 checkhost, valid_host == 1 ? "" : " NOT"); 2194 ret = ret && valid_host > 0; 2195 } 2196 2197 if (checkemail != NULL) { 2198 valid_mail = X509_check_email(x, checkemail, 0, 0); 2199 if (print) 2200 BIO_printf(bio, "Email %s does%s match certificate\n", 2201 checkemail, valid_mail ? "" : " NOT"); 2202 ret = ret && valid_mail > 0; 2203 } 2204 2205 if (checkip != NULL) { 2206 valid_ip = X509_check_ip_asc(x, checkip, 0); 2207 if (print) 2208 BIO_printf(bio, "IP %s does%s match certificate\n", 2209 checkip, valid_ip ? "" : " NOT"); 2210 ret = ret && valid_ip > 0; 2211 } 2212 2213 return ret; 2214 } 2215 2216 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2217 { 2218 int i; 2219 2220 if (opts == NULL) 2221 return 1; 2222 2223 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2224 char *opt = sk_OPENSSL_STRING_value(opts, i); 2225 2226 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2227 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2228 ERR_print_errors(bio_err); 2229 return 0; 2230 } 2231 } 2232 2233 return 1; 2234 } 2235 2236 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2237 { 2238 int i; 2239 2240 if (opts == NULL) 2241 return 1; 2242 2243 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2244 char *opt = sk_OPENSSL_STRING_value(opts, i); 2245 2246 if (x509_ctrl_string(x, opt) <= 0) { 2247 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2248 ERR_print_errors(bio_err); 2249 return 0; 2250 } 2251 } 2252 2253 return 1; 2254 } 2255 2256 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2257 { 2258 int i; 2259 2260 if (opts == NULL) 2261 return 1; 2262 2263 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2264 char *opt = sk_OPENSSL_STRING_value(opts, i); 2265 2266 if (x509_req_ctrl_string(x, opt) <= 0) { 2267 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2268 ERR_print_errors(bio_err); 2269 return 0; 2270 } 2271 } 2272 2273 return 1; 2274 } 2275 2276 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2277 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2278 { 2279 EVP_PKEY_CTX *pkctx = NULL; 2280 char def_md[80]; 2281 2282 if (ctx == NULL) 2283 return 0; 2284 /* 2285 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2286 * for this algorithm. 2287 */ 2288 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2289 && strcmp(def_md, "UNDEF") == 0) { 2290 /* The signing algorithm requires there to be no digest */ 2291 md = NULL; 2292 } 2293 2294 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2295 app_get0_propq(), pkey, NULL) 2296 && do_pkey_ctx_init(pkctx, sigopts); 2297 } 2298 2299 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2300 const char *name, const char *value, int add_default) 2301 { 2302 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2303 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2304 int idx, rv = 0; 2305 2306 if (new_ext == NULL) 2307 return rv; 2308 2309 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2310 if (idx >= 0) { 2311 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2312 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext); 2313 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */ 2314 2315 if (disabled) { 2316 X509_delete_ext(cert, idx); 2317 X509_EXTENSION_free(found_ext); 2318 } /* else keep existing key identifier, which might be outdated */ 2319 rv = 1; 2320 } else { 2321 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2322 } 2323 X509_EXTENSION_free(new_ext); 2324 return rv; 2325 } 2326 2327 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey) 2328 { 2329 int match; 2330 2331 ERR_set_mark(); 2332 match = X509_check_private_key(cert, pkey); 2333 ERR_pop_to_mark(); 2334 return match; 2335 } 2336 2337 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2338 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md, 2339 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2340 { 2341 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2342 int self_sign; 2343 int rv = 0; 2344 2345 if (!force_v1) { 2346 if (!X509_set_version(cert, X509_VERSION_3)) 2347 goto end; 2348 2349 /* 2350 * Add default SKID before AKID such that AKID can make use of it 2351 * in case the certificate is self-signed 2352 */ 2353 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2354 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2355 goto end; 2356 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2357 self_sign = cert_matches_key(cert, pkey); 2358 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2359 "keyid, issuer", !self_sign)) 2360 goto end; 2361 } 2362 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */ 2363 2364 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2365 rv = (X509_sign_ctx(cert, mctx) > 0); 2366 end: 2367 EVP_MD_CTX_free(mctx); 2368 return rv; 2369 } 2370 2371 /* Sign the certificate request info */ 2372 int do_X509_REQ_sign(X509_REQ *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_REQ_sign_ctx(x, mctx) > 0); 2380 EVP_MD_CTX_free(mctx); 2381 return rv; 2382 } 2383 2384 /* Sign the CRL info */ 2385 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2386 STACK_OF(OPENSSL_STRING) *sigopts) 2387 { 2388 int rv = 0; 2389 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2390 2391 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2392 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2393 EVP_MD_CTX_free(mctx); 2394 return rv; 2395 } 2396 2397 /* 2398 * do_X509_verify returns 1 if the signature is valid, 2399 * 0 if the signature check fails, or -1 if error occurs. 2400 */ 2401 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2402 { 2403 int rv = 0; 2404 2405 if (do_x509_init(x, vfyopts) > 0) 2406 rv = X509_verify(x, pkey); 2407 else 2408 rv = -1; 2409 return rv; 2410 } 2411 2412 /* 2413 * do_X509_REQ_verify returns 1 if the signature is valid, 2414 * 0 if the signature check fails, or -1 if error occurs. 2415 */ 2416 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2417 STACK_OF(OPENSSL_STRING) *vfyopts) 2418 { 2419 int rv = 0; 2420 2421 if (do_x509_req_init(x, vfyopts) > 0) 2422 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq()); 2423 else 2424 rv = -1; 2425 return rv; 2426 } 2427 2428 /* Get first http URL from a DIST_POINT structure */ 2429 2430 static const char *get_dp_url(DIST_POINT *dp) 2431 { 2432 GENERAL_NAMES *gens; 2433 GENERAL_NAME *gen; 2434 int i, gtype; 2435 ASN1_STRING *uri; 2436 2437 if (!dp->distpoint || dp->distpoint->type != 0) 2438 return NULL; 2439 gens = dp->distpoint->name.fullname; 2440 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2441 gen = sk_GENERAL_NAME_value(gens, i); 2442 uri = GENERAL_NAME_get0_value(gen, >ype); 2443 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2444 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2445 2446 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2447 return uptr; 2448 } 2449 } 2450 return NULL; 2451 } 2452 2453 /* 2454 * Look through a CRLDP structure and attempt to find an http URL to 2455 * downloads a CRL from. 2456 */ 2457 2458 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2459 { 2460 int i; 2461 const char *urlptr = NULL; 2462 2463 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2464 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2465 2466 urlptr = get_dp_url(dp); 2467 if (urlptr != NULL) 2468 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2469 } 2470 return NULL; 2471 } 2472 2473 /* 2474 * Example of downloading CRLs from CRLDP: 2475 * not usable for real world as it always downloads and doesn't cache anything. 2476 */ 2477 2478 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2479 const X509_NAME *nm) 2480 { 2481 X509 *x; 2482 STACK_OF(X509_CRL) *crls = NULL; 2483 X509_CRL *crl; 2484 STACK_OF(DIST_POINT) *crldp; 2485 2486 crls = sk_X509_CRL_new_null(); 2487 if (!crls) 2488 return NULL; 2489 x = X509_STORE_CTX_get_current_cert(ctx); 2490 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2491 crl = load_crl_crldp(crldp); 2492 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2493 2494 if (crl == NULL || !sk_X509_CRL_push(crls, crl)) 2495 goto error; 2496 2497 /* Try to download delta CRL */ 2498 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2499 crl = load_crl_crldp(crldp); 2500 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2501 2502 if (crl != NULL && !sk_X509_CRL_push(crls, crl)) 2503 goto error; 2504 2505 return crls; 2506 2507 error: 2508 X509_CRL_free(crl); 2509 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2510 return NULL; 2511 } 2512 2513 void store_setup_crl_download(X509_STORE *st) 2514 { 2515 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2516 } 2517 2518 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP) 2519 static const char *tls_error_hint(void) 2520 { 2521 unsigned long err = ERR_peek_error(); 2522 2523 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2524 err = ERR_peek_last_error(); 2525 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2526 return NULL; /* likely no TLS error */ 2527 2528 switch (ERR_GET_REASON(err)) { 2529 case SSL_R_WRONG_VERSION_NUMBER: 2530 return "The server does not support (a suitable version of) TLS"; 2531 case SSL_R_UNKNOWN_PROTOCOL: 2532 return "The server does not support HTTPS"; 2533 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2534 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2535 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2536 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2537 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2538 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2539 default: 2540 return NULL; /* no hint available for TLS error */ 2541 } 2542 } 2543 2544 static BIO *http_tls_shutdown(BIO *bio) 2545 { 2546 if (bio != NULL) { 2547 BIO *cbio; 2548 const char *hint = tls_error_hint(); 2549 2550 if (hint != NULL) 2551 BIO_printf(bio_err, "%s\n", hint); 2552 (void)ERR_set_mark(); 2553 BIO_ssl_shutdown(bio); 2554 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2555 BIO_free(bio); /* SSL BIO */ 2556 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2557 bio = cbio; 2558 } 2559 return bio; 2560 } 2561 2562 /* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2563 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2564 { 2565 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2566 SSL_CTX *ssl_ctx = info->ssl_ctx; 2567 2568 if (ssl_ctx == NULL) /* not using TLS */ 2569 return bio; 2570 if (connect) { 2571 SSL *ssl; 2572 BIO *sbio = NULL; 2573 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2574 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2575 const char *host = vpm == NULL ? NULL : X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2576 2577 /* adapt after fixing callback design flaw, see #17088 */ 2578 if ((info->use_proxy 2579 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2580 NULL, NULL, /* no proxy credentials */ 2581 info->timeout, bio_err, opt_getprog())) 2582 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2583 return NULL; 2584 } 2585 if ((ssl = SSL_new(ssl_ctx)) == NULL) { 2586 BIO_free(sbio); 2587 return NULL; 2588 } 2589 2590 if (vpm != NULL) 2591 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2592 2593 SSL_set_connect_state(ssl); 2594 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2595 2596 bio = BIO_push(sbio, bio); 2597 } else { /* disconnect from TLS */ 2598 bio = http_tls_shutdown(bio); 2599 } 2600 return bio; 2601 } 2602 2603 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2604 { 2605 if (info != NULL) { 2606 SSL_CTX_free(info->ssl_ctx); 2607 OPENSSL_free(info); 2608 } 2609 } 2610 2611 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2612 const char *no_proxy, SSL_CTX *ssl_ctx, 2613 const STACK_OF(CONF_VALUE) *headers, 2614 long timeout, const char *expected_content_type, 2615 const ASN1_ITEM *it) 2616 { 2617 APP_HTTP_TLS_INFO info; 2618 char *server; 2619 char *port; 2620 int use_ssl; 2621 BIO *mem; 2622 ASN1_VALUE *resp = NULL; 2623 2624 if (url == NULL || it == NULL) { 2625 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2626 return NULL; 2627 } 2628 2629 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2630 NULL /* port_num, */, NULL, NULL, NULL)) 2631 return NULL; 2632 if (use_ssl && ssl_ctx == NULL) { 2633 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2634 "missing SSL_CTX"); 2635 goto end; 2636 } 2637 if (!use_ssl && ssl_ctx != NULL) { 2638 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2639 "SSL_CTX given but use_ssl == 0"); 2640 goto end; 2641 } 2642 2643 info.server = server; 2644 info.port = port; 2645 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2646 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2647 info.timeout = timeout; 2648 info.ssl_ctx = ssl_ctx; 2649 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2650 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2651 expected_content_type, 1 /* expect_asn1 */, 2652 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2653 resp = ASN1_item_d2i_bio(it, mem, NULL); 2654 BIO_free(mem); 2655 2656 end: 2657 OPENSSL_free(server); 2658 OPENSSL_free(port); 2659 return resp; 2660 } 2661 2662 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2663 const char *path, const char *proxy, 2664 const char *no_proxy, SSL_CTX *ssl_ctx, 2665 const STACK_OF(CONF_VALUE) *headers, 2666 const char *content_type, 2667 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2668 const char *expected_content_type, 2669 long timeout, const ASN1_ITEM *rsp_it) 2670 { 2671 int use_ssl = ssl_ctx != NULL; 2672 APP_HTTP_TLS_INFO info; 2673 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2674 ASN1_VALUE *res; 2675 2676 if (req_mem == NULL) 2677 return NULL; 2678 2679 info.server = host; 2680 info.port = port; 2681 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2682 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2683 info.timeout = timeout; 2684 info.ssl_ctx = ssl_ctx; 2685 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2686 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2687 app_http_tls_cb, &info, 2688 0 /* buf_size */, headers, content_type, req_mem, 2689 expected_content_type, 1 /* expect_asn1 */, 2690 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2691 0 /* keep_alive */); 2692 BIO_free(req_mem); 2693 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2694 BIO_free(rsp); 2695 return res; 2696 } 2697 2698 #endif 2699 2700 /* 2701 * Platform-specific sections 2702 */ 2703 #if defined(_WIN32) 2704 #ifdef fileno 2705 #undef fileno 2706 #define fileno(a) (int)_fileno(a) 2707 #endif 2708 2709 #include <windows.h> 2710 #include <tchar.h> 2711 2712 static int WIN32_rename(const char *from, const char *to) 2713 { 2714 TCHAR *tfrom = NULL, *tto; 2715 DWORD err; 2716 int ret = 0; 2717 2718 if (sizeof(TCHAR) == 1) { 2719 tfrom = (TCHAR *)from; 2720 tto = (TCHAR *)to; 2721 } else { /* UNICODE path */ 2722 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2723 2724 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2725 if (tfrom == NULL) 2726 goto err; 2727 tto = tfrom + flen; 2728 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2729 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2730 #endif 2731 for (i = 0; i < flen; i++) 2732 tfrom[i] = (TCHAR)from[i]; 2733 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2734 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2735 #endif 2736 for (i = 0; i < tlen; i++) 2737 tto[i] = (TCHAR)to[i]; 2738 } 2739 2740 if (MoveFile(tfrom, tto)) 2741 goto ok; 2742 err = GetLastError(); 2743 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2744 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2745 goto ok; 2746 err = GetLastError(); 2747 } 2748 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2749 errno = ENOENT; 2750 else if (err == ERROR_ACCESS_DENIED) 2751 errno = EACCES; 2752 else 2753 errno = EINVAL; /* we could map more codes... */ 2754 err: 2755 ret = -1; 2756 ok: 2757 if (tfrom != NULL && tfrom != (TCHAR *)from) 2758 free(tfrom); 2759 return ret; 2760 } 2761 #endif 2762 2763 /* app_tminterval section */ 2764 #if defined(_WIN32) 2765 double app_tminterval(int stop, int usertime) 2766 { 2767 FILETIME now; 2768 double ret = 0; 2769 static ULARGE_INTEGER tmstart; 2770 static int warning = 1; 2771 int use_GetSystemTime = 1; 2772 #ifdef _WIN32_WINNT 2773 static HANDLE proc = NULL; 2774 2775 if (proc == NULL) { 2776 if (check_winnt()) 2777 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2778 GetCurrentProcessId()); 2779 if (proc == NULL) 2780 proc = (HANDLE)-1; 2781 } 2782 2783 if (usertime && proc != (HANDLE)-1) { 2784 FILETIME junk; 2785 2786 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2787 use_GetSystemTime = 0; 2788 } 2789 #endif 2790 if (use_GetSystemTime) { 2791 SYSTEMTIME systime; 2792 2793 if (usertime && warning) { 2794 BIO_printf(bio_err, "To get meaningful results, run " 2795 "this program on idle system.\n"); 2796 warning = 0; 2797 } 2798 GetSystemTime(&systime); 2799 SystemTimeToFileTime(&systime, &now); 2800 } 2801 2802 if (stop == TM_START) { 2803 tmstart.u.LowPart = now.dwLowDateTime; 2804 tmstart.u.HighPart = now.dwHighDateTime; 2805 } else { 2806 ULARGE_INTEGER tmstop; 2807 2808 tmstop.u.LowPart = now.dwLowDateTime; 2809 tmstop.u.HighPart = now.dwHighDateTime; 2810 2811 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2812 } 2813 2814 return ret; 2815 } 2816 #elif defined(OPENSSL_SYS_VXWORKS) 2817 #include <time.h> 2818 2819 double app_tminterval(int stop, int usertime) 2820 { 2821 double ret = 0; 2822 #ifdef CLOCK_REALTIME 2823 static struct timespec tmstart; 2824 struct timespec now; 2825 #else 2826 static unsigned long tmstart; 2827 unsigned long now; 2828 #endif 2829 static int warning = 1; 2830 2831 if (usertime && warning) { 2832 BIO_printf(bio_err, "To get meaningful results, run " 2833 "this program on idle system.\n"); 2834 warning = 0; 2835 } 2836 #ifdef CLOCK_REALTIME 2837 clock_gettime(CLOCK_REALTIME, &now); 2838 if (stop == TM_START) 2839 tmstart = now; 2840 else 2841 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2842 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2843 #else 2844 now = tickGet(); 2845 if (stop == TM_START) 2846 tmstart = now; 2847 else 2848 ret = (now - tmstart) / (double)sysClkRateGet(); 2849 #endif 2850 return ret; 2851 } 2852 2853 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2854 #include <sys/times.h> 2855 2856 double app_tminterval(int stop, int usertime) 2857 { 2858 double ret = 0; 2859 struct tms rus; 2860 clock_t now = times(&rus); 2861 static clock_t tmstart; 2862 2863 if (usertime) 2864 now = rus.tms_utime; 2865 2866 if (stop == TM_START) { 2867 tmstart = now; 2868 } else { 2869 long int tck = sysconf(_SC_CLK_TCK); 2870 2871 ret = (now - tmstart) / (double)tck; 2872 } 2873 2874 return ret; 2875 } 2876 2877 #else 2878 #include <sys/time.h> 2879 #include <sys/resource.h> 2880 2881 double app_tminterval(int stop, int usertime) 2882 { 2883 double ret = 0; 2884 struct rusage rus; 2885 struct timeval now; 2886 static struct timeval tmstart; 2887 2888 if (usertime) 2889 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2890 else 2891 gettimeofday(&now, NULL); 2892 2893 if (stop == TM_START) 2894 tmstart = now; 2895 else 2896 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2897 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2898 2899 return ret; 2900 } 2901 #endif 2902 2903 int app_access(const char *name, int flag) 2904 { 2905 #ifdef _WIN32 2906 return _access(name, flag); 2907 #else 2908 return access(name, flag); 2909 #endif 2910 } 2911 2912 int app_isdir(const char *name) 2913 { 2914 return opt_isdir(name); 2915 } 2916 2917 /* raw_read|write section */ 2918 #if defined(__VMS) 2919 #include "vms_term_sock.h" 2920 static int stdin_sock = -1; 2921 2922 static void close_stdin_sock(void) 2923 { 2924 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock); 2925 } 2926 2927 int fileno_stdin(void) 2928 { 2929 if (stdin_sock == -1) { 2930 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2931 atexit(close_stdin_sock); 2932 } 2933 2934 return stdin_sock; 2935 } 2936 #else 2937 int fileno_stdin(void) 2938 { 2939 return fileno(stdin); 2940 } 2941 #endif 2942 2943 int fileno_stdout(void) 2944 { 2945 return fileno(stdout); 2946 } 2947 2948 #if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2949 int raw_read_stdin(void *buf, int siz) 2950 { 2951 DWORD n; 2952 2953 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2954 return n; 2955 else 2956 return -1; 2957 } 2958 #elif defined(__VMS) 2959 #include <sys/socket.h> 2960 2961 int raw_read_stdin(void *buf, int siz) 2962 { 2963 return recv(fileno_stdin(), buf, siz, 0); 2964 } 2965 #else 2966 int raw_read_stdin(void *buf, int siz) 2967 { 2968 return read(fileno_stdin(), buf, siz); 2969 } 2970 #endif 2971 2972 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 2973 int raw_write_stdout(const void *buf, int siz) 2974 { 2975 DWORD n; 2976 2977 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 2978 return n; 2979 else 2980 return -1; 2981 } 2982 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \ 2983 && defined(_SPT_MODEL_) 2984 int raw_write_stdout(const void *buf, int siz) 2985 { 2986 return write(fileno(stdout), (void *)buf, siz); 2987 } 2988 #else 2989 int raw_write_stdout(const void *buf, int siz) 2990 { 2991 return write(fileno_stdout(), buf, siz); 2992 } 2993 #endif 2994 2995 /* 2996 * Centralized handling of input and output files with format specification 2997 * The format is meant to show what the input and output is supposed to be, 2998 * and is therefore a show of intent more than anything else. However, it 2999 * does impact behavior on some platforms, such as differentiating between 3000 * text and binary input/output on non-Unix platforms 3001 */ 3002 BIO *dup_bio_in(int format) 3003 { 3004 return BIO_new_fp(stdin, 3005 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3006 } 3007 3008 BIO *dup_bio_out(int format) 3009 { 3010 BIO *b = BIO_new_fp(stdout, 3011 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3012 void *prefix = NULL; 3013 3014 if (b == NULL) 3015 return NULL; 3016 3017 #ifdef OPENSSL_SYS_VMS 3018 if (FMT_istext(format)) 3019 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3020 #endif 3021 3022 if (FMT_istext(format) 3023 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 3024 b = BIO_push(BIO_new(BIO_f_prefix()), b); 3025 BIO_set_prefix(b, prefix); 3026 } 3027 3028 return b; 3029 } 3030 3031 BIO *dup_bio_err(int format) 3032 { 3033 BIO *b = BIO_new_fp(stderr, 3034 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3035 3036 #ifdef OPENSSL_SYS_VMS 3037 if (b != NULL && FMT_istext(format)) 3038 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3039 #endif 3040 return b; 3041 } 3042 3043 void unbuffer(FILE *fp) 3044 { 3045 /* 3046 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 3047 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 3048 * However, we trust that the C RTL will never give us a FILE pointer 3049 * above the first 4 GB of memory, so we simply turn off the warning 3050 * temporarily. 3051 */ 3052 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3053 #pragma environment save 3054 #pragma message disable maylosedata2 3055 #endif 3056 setbuf(fp, NULL); 3057 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3058 #pragma environment restore 3059 #endif 3060 } 3061 3062 static const char *modestr(char mode, int format) 3063 { 3064 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 3065 3066 switch (mode) { 3067 case 'a': 3068 return FMT_istext(format) ? "a" : "ab"; 3069 case 'r': 3070 return FMT_istext(format) ? "r" : "rb"; 3071 case 'w': 3072 return FMT_istext(format) ? "w" : "wb"; 3073 } 3074 /* The assert above should make sure we never reach this point */ 3075 return NULL; 3076 } 3077 3078 static const char *modeverb(char mode) 3079 { 3080 switch (mode) { 3081 case 'a': 3082 return "appending"; 3083 case 'r': 3084 return "reading"; 3085 case 'w': 3086 return "writing"; 3087 } 3088 return "(doing something)"; 3089 } 3090 3091 /* 3092 * Open a file for writing, owner-read-only. 3093 */ 3094 BIO *bio_open_owner(const char *filename, int format, int private) 3095 { 3096 FILE *fp = NULL; 3097 BIO *b = NULL; 3098 int textmode, bflags; 3099 #ifndef OPENSSL_NO_POSIX_IO 3100 int fd = -1, mode; 3101 #endif 3102 3103 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3104 return bio_open_default(filename, 'w', format); 3105 3106 textmode = FMT_istext(format); 3107 #ifndef OPENSSL_NO_POSIX_IO 3108 mode = O_WRONLY; 3109 #ifdef O_CREAT 3110 mode |= O_CREAT; 3111 #endif 3112 #ifdef O_TRUNC 3113 mode |= O_TRUNC; 3114 #endif 3115 if (!textmode) { 3116 #ifdef O_BINARY 3117 mode |= O_BINARY; 3118 #elif defined(_O_BINARY) 3119 mode |= _O_BINARY; 3120 #endif 3121 } 3122 3123 #ifdef OPENSSL_SYS_VMS 3124 /* 3125 * VMS doesn't have O_BINARY, it just doesn't make sense. But, 3126 * it still needs to know that we're going binary, or fdopen() 3127 * will fail with "invalid argument"... so we tell VMS what the 3128 * context is. 3129 */ 3130 if (!textmode) 3131 fd = open(filename, mode, 0600, "ctx=bin"); 3132 else 3133 #endif 3134 fd = open(filename, mode, 0600); 3135 if (fd < 0) 3136 goto err; 3137 fp = fdopen(fd, modestr('w', format)); 3138 #else /* OPENSSL_NO_POSIX_IO */ 3139 /* Have stdio but not Posix IO, do the best we can */ 3140 fp = fopen(filename, modestr('w', format)); 3141 #endif /* OPENSSL_NO_POSIX_IO */ 3142 if (fp == NULL) 3143 goto err; 3144 bflags = BIO_CLOSE; 3145 if (textmode) 3146 bflags |= BIO_FP_TEXT; 3147 b = BIO_new_fp(fp, bflags); 3148 if (b != NULL) 3149 return b; 3150 3151 err: 3152 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3153 opt_getprog(), filename, strerror(errno)); 3154 ERR_print_errors(bio_err); 3155 /* If we have fp, then fdopen took over fd, so don't close both. */ 3156 if (fp != NULL) 3157 fclose(fp); 3158 #ifndef OPENSSL_NO_POSIX_IO 3159 else if (fd >= 0) 3160 close(fd); 3161 #endif 3162 return NULL; 3163 } 3164 3165 static BIO *bio_open_default_(const char *filename, char mode, int format, 3166 int quiet) 3167 { 3168 BIO *ret; 3169 3170 if (filename == NULL || strcmp(filename, "-") == 0) { 3171 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(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, %s\n", 3180 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3181 } else { 3182 ret = BIO_new_file(filename, modestr(mode, format)); 3183 if (quiet) { 3184 ERR_clear_error(); 3185 return ret; 3186 } 3187 if (ret != NULL) 3188 return ret; 3189 BIO_printf(bio_err, 3190 "Can't open \"%s\" for %s, %s\n", 3191 filename, modeverb(mode), strerror(errno)); 3192 } 3193 ERR_print_errors(bio_err); 3194 return NULL; 3195 } 3196 3197 BIO *bio_open_default(const char *filename, char mode, int format) 3198 { 3199 return bio_open_default_(filename, mode, format, 0); 3200 } 3201 3202 BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3203 { 3204 return bio_open_default_(filename, mode, format, 1); 3205 } 3206 3207 int mem_bio_to_file(BIO *in, const char *filename, int format, int private) 3208 { 3209 int rv = 0, ret = 0; 3210 BIO *out = NULL; 3211 BUF_MEM *mem_buffer = NULL; 3212 3213 rv = BIO_get_mem_ptr(in, &mem_buffer); 3214 if (rv <= 0) { 3215 BIO_puts(bio_err, "Error reading mem buffer\n"); 3216 goto end; 3217 } 3218 out = bio_open_owner(filename, format, private); 3219 if (out == NULL) 3220 goto end; 3221 rv = BIO_write(out, mem_buffer->data, mem_buffer->length); 3222 if (rv < 0 || (size_t)rv != mem_buffer->length) 3223 BIO_printf(bio_err, "Error writing to output file: '%s'\n", filename); 3224 else 3225 ret = 1; 3226 end: 3227 if (!ret) 3228 ERR_print_errors(bio_err); 3229 BIO_free_all(out); 3230 return ret; 3231 } 3232 3233 void wait_for_async(SSL *s) 3234 { 3235 /* On Windows select only works for sockets, so we simply don't wait */ 3236 #ifndef OPENSSL_SYS_WINDOWS 3237 int width = 0; 3238 fd_set asyncfds; 3239 OSSL_ASYNC_FD *fds; 3240 size_t numfds; 3241 size_t i; 3242 3243 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3244 return; 3245 if (numfds == 0) 3246 return; 3247 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3248 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3249 OPENSSL_free(fds); 3250 return; 3251 } 3252 3253 FD_ZERO(&asyncfds); 3254 for (i = 0; i < numfds; i++) { 3255 if (width <= (int)fds[i]) 3256 width = (int)fds[i] + 1; 3257 openssl_fdset((int)fds[i], &asyncfds); 3258 } 3259 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3260 OPENSSL_free(fds); 3261 #endif 3262 } 3263 3264 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3265 #if defined(OPENSSL_SYS_MSDOS) 3266 int has_stdin_waiting(void) 3267 { 3268 #if defined(OPENSSL_SYS_WINDOWS) 3269 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3270 DWORD events = 0; 3271 INPUT_RECORD inputrec; 3272 DWORD insize = 1; 3273 BOOL peeked; 3274 3275 if (inhand == INVALID_HANDLE_VALUE) { 3276 return 0; 3277 } 3278 3279 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3280 if (!peeked) { 3281 /* Probably redirected input? _kbhit() does not work in this case */ 3282 if (!feof(stdin)) { 3283 return 1; 3284 } 3285 return 0; 3286 } 3287 #endif 3288 return _kbhit(); 3289 } 3290 #endif 3291 3292 /* Corrupt a signature by modifying final byte */ 3293 void corrupt_signature(const ASN1_STRING *signature) 3294 { 3295 unsigned char *s = signature->data; 3296 3297 s[signature->length - 1] ^= 0x1; 3298 } 3299 3300 int check_cert_time_string(const char *time, const char *desc) 3301 { 3302 if (time == NULL || strcmp(time, "today") == 0 3303 || ASN1_TIME_set_string_X509(NULL, time)) 3304 return 1; 3305 BIO_printf(bio_err, 3306 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n", 3307 desc); 3308 return 0; 3309 } 3310 3311 int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3312 int days, int strict_compare_times) 3313 { 3314 if (!check_cert_time_string(startdate, "start date")) 3315 return 0; 3316 if (!check_cert_time_string(enddate, "end date")) 3317 return 0; 3318 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3319 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) { 3320 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3321 return 0; 3322 } 3323 } else { 3324 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) { 3325 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3326 return 0; 3327 } 3328 } 3329 if (enddate != NULL && strcmp(enddate, "today") == 0) { 3330 enddate = NULL; 3331 days = 0; 3332 } 3333 if (enddate == NULL) { 3334 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) { 3335 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3336 return 0; 3337 } 3338 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3339 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3340 return 0; 3341 } 3342 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) { 3343 BIO_printf(bio_err, "%s: end date before start date\n", 3344 strict_compare_times ? "Error" : "Warning"); 3345 if (strict_compare_times) 3346 return 0; 3347 } 3348 return 1; 3349 } 3350 3351 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3352 { 3353 int ret = 0; 3354 ASN1_TIME *tm = ASN1_TIME_new(); 3355 3356 if (tm == NULL) 3357 goto end; 3358 3359 if (lastupdate == NULL) { 3360 if (X509_gmtime_adj(tm, 0) == NULL) 3361 goto end; 3362 } else { 3363 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3364 goto end; 3365 } 3366 3367 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3368 goto end; 3369 3370 ret = 1; 3371 end: 3372 ASN1_TIME_free(tm); 3373 return ret; 3374 } 3375 3376 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3377 long days, long hours, long secs) 3378 { 3379 int ret = 0; 3380 ASN1_TIME *tm = ASN1_TIME_new(); 3381 3382 if (tm == NULL) 3383 goto end; 3384 3385 if (nextupdate == NULL) { 3386 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3387 goto end; 3388 } else { 3389 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3390 goto end; 3391 } 3392 3393 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3394 goto end; 3395 3396 ret = 1; 3397 end: 3398 ASN1_TIME_free(tm); 3399 return ret; 3400 } 3401 3402 void make_uppercase(char *string) 3403 { 3404 int i; 3405 3406 for (i = 0; string[i] != '\0'; i++) 3407 string[i] = toupper((unsigned char)string[i]); 3408 } 3409 3410 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3411 const OSSL_PARAM *paramdefs) 3412 { 3413 OSSL_PARAM *params = NULL; 3414 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3415 size_t params_n; 3416 char *opt = "", *stmp, *vtmp = NULL; 3417 int found = 1; 3418 3419 if (opts == NULL) 3420 return NULL; 3421 3422 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3423 if (params == NULL) 3424 return NULL; 3425 3426 for (params_n = 0; params_n < sz; params_n++) { 3427 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3428 if ((stmp = OPENSSL_strdup(opt)) == NULL 3429 || (vtmp = strchr(stmp, ':')) == NULL) 3430 goto err; 3431 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3432 *vtmp = 0; 3433 /* Skip over the separator so that vmtp points to the value */ 3434 vtmp++; 3435 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3436 stmp, vtmp, strlen(vtmp), &found)) 3437 goto err; 3438 OPENSSL_free(stmp); 3439 } 3440 params[params_n] = OSSL_PARAM_construct_end(); 3441 return params; 3442 err: 3443 OPENSSL_free(stmp); 3444 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3445 opt); 3446 ERR_print_errors(bio_err); 3447 app_params_free(params); 3448 return NULL; 3449 } 3450 3451 void app_params_free(OSSL_PARAM *params) 3452 { 3453 int i; 3454 3455 if (params != NULL) { 3456 for (i = 0; params[i].key != NULL; ++i) 3457 OPENSSL_free(params[i].data); 3458 OPENSSL_free(params); 3459 } 3460 } 3461 3462 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3463 { 3464 EVP_PKEY *res = NULL; 3465 3466 if (verbose && alg != NULL) { 3467 BIO_printf(bio_err, "Generating %s key", alg); 3468 if (bits > 0) 3469 BIO_printf(bio_err, " with %d bits\n", bits); 3470 else 3471 BIO_printf(bio_err, "\n"); 3472 } 3473 if (!RAND_status()) 3474 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3475 "if the system has a poor entropy source\n"); 3476 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3477 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(), 3478 alg != NULL ? alg : "asymmetric"); 3479 return res; 3480 } 3481 3482 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3483 { 3484 EVP_PKEY *res = NULL; 3485 3486 if (!RAND_status()) 3487 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3488 "if the system has a poor entropy source\n"); 3489 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3490 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n", 3491 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3492 return res; 3493 } 3494 3495 /* 3496 * Return non-zero if the legacy path is still an option. 3497 * This decision is based on the global command line operations and the 3498 * behaviour thus far. 3499 */ 3500 int opt_legacy_okay(void) 3501 { 3502 int provider_options = opt_provider_option_given(); 3503 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3504 3505 /* 3506 * Having a provider option specified or a custom library context or 3507 * property query, is a sure sign we're not using legacy. 3508 */ 3509 if (provider_options || libctx) 3510 return 0; 3511 return 1; 3512 } 3513