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 ok = X509_add_cert(*pcerts, 1061 OSSL_STORE_INFO_get1_CERT(info), 1062 X509_ADD_FLAG_DEFAULT); 1063 } 1064 ncerts += ok; 1065 break; 1066 case OSSL_STORE_INFO_CRL: 1067 if (pcrl != NULL) { 1068 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1069 if (ok) 1070 pcrl = NULL; 1071 } else if (pcrls != NULL) { 1072 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); 1073 } 1074 ncrls += ok; 1075 break; 1076 default: 1077 /* skip any other type; ok stays == 1 */ 1078 break; 1079 } 1080 OSSL_STORE_INFO_free(info); 1081 if (!ok) { 1082 failed = OSSL_STORE_INFO_type_string(type); 1083 if (!quiet) 1084 BIO_printf(bio_err, "Error reading"); 1085 break; 1086 } 1087 } 1088 1089 end: 1090 OSSL_STORE_close(ctx); 1091 1092 /* see if any of the requested types of credentials was not found */ 1093 if (failed == NULL) { 1094 if (ncerts > 0) 1095 pcerts = NULL; 1096 if (ncrls > 0) 1097 pcrls = NULL; 1098 failed = FAIL_NAME; 1099 if (failed != NULL && !quiet) 1100 BIO_printf(bio_err, "Could not find"); 1101 } 1102 1103 if (failed != NULL && !quiet) { 1104 unsigned long err = ERR_peek_last_error(); 1105 1106 /* continue the error message with the type of credential affected */ 1107 if (desc != NULL && strstr(desc, failed) != NULL) { 1108 BIO_printf(bio_err, " %s", desc); 1109 } else { 1110 BIO_printf(bio_err, " %s", failed); 1111 if (desc != NULL) 1112 BIO_printf(bio_err, " of %s", desc); 1113 } 1114 if (uri != NULL) 1115 BIO_printf(bio_err, " from %s", uri); 1116 if (ERR_SYSTEM_ERROR(err)) { 1117 /* provide more readable diagnostic output */ 1118 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err))); 1119 ERR_pop_to_mark(); 1120 ERR_set_mark(); 1121 } 1122 BIO_printf(bio_err, "\n"); 1123 ERR_print_errors(bio_err); 1124 } 1125 if (quiet || failed == NULL) 1126 /* clear any suppressed or spurious errors */ 1127 ERR_pop_to_mark(); 1128 else 1129 ERR_clear_last_mark(); 1130 return failed == NULL; 1131 } 1132 1133 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1134 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */ 1135 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */ 1136 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */ 1137 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */ 1138 1139 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1140 1141 int set_cert_ex(unsigned long *flags, const char *arg) 1142 { 1143 static const NAME_EX_TBL cert_tbl[] = { 1144 { "compatible", X509_FLAG_COMPAT, 0xffffffffl }, 1145 { "ca_default", X509_FLAG_CA, 0xffffffffl }, 1146 { "no_header", X509_FLAG_NO_HEADER, 0 }, 1147 { "no_version", X509_FLAG_NO_VERSION, 0 }, 1148 { "no_serial", X509_FLAG_NO_SERIAL, 0 }, 1149 { "no_signame", X509_FLAG_NO_SIGNAME, 0 }, 1150 { "no_validity", X509_FLAG_NO_VALIDITY, 0 }, 1151 { "no_subject", X509_FLAG_NO_SUBJECT, 0 }, 1152 { "no_issuer", X509_FLAG_NO_ISSUER, 0 }, 1153 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0 }, 1154 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0 }, 1155 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0 }, 1156 { "no_aux", X509_FLAG_NO_AUX, 0 }, 1157 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0 }, 1158 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK }, 1159 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1160 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1161 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1162 { NULL, 0, 0 } 1163 }; 1164 return set_multi_opts(flags, arg, cert_tbl); 1165 } 1166 1167 int set_name_ex(unsigned long *flags, const char *arg) 1168 { 1169 static const NAME_EX_TBL ex_tbl[] = { 1170 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0 }, 1171 { "esc_2254", ASN1_STRFLGS_ESC_2254, 0 }, 1172 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0 }, 1173 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0 }, 1174 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0 }, 1175 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0 }, 1176 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0 }, 1177 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0 }, 1178 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0 }, 1179 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0 }, 1180 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0 }, 1181 { "compat", XN_FLAG_COMPAT, 0xffffffffL }, 1182 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK }, 1183 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK }, 1184 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK }, 1185 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK }, 1186 { "dn_rev", XN_FLAG_DN_REV, 0 }, 1187 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK }, 1188 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK }, 1189 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK }, 1190 { "align", XN_FLAG_FN_ALIGN, 0 }, 1191 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK }, 1192 { "space_eq", XN_FLAG_SPC_EQ, 0 }, 1193 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0 }, 1194 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL }, 1195 { "oneline", XN_FLAG_ONELINE, 0xffffffffL }, 1196 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL }, 1197 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL }, 1198 { NULL, 0, 0 } 1199 }; 1200 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1201 return 0; 1202 if (*flags != XN_FLAG_COMPAT 1203 && (*flags & XN_FLAG_SEP_MASK) == 0) 1204 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1205 return 1; 1206 } 1207 1208 int set_dateopt(unsigned long *dateopt, const char *arg) 1209 { 1210 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1211 *dateopt = ASN1_DTFLGS_RFC822; 1212 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1213 *dateopt = ASN1_DTFLGS_ISO8601; 1214 else 1215 return 0; 1216 return 1; 1217 } 1218 1219 int set_ext_copy(int *copy_type, const char *arg) 1220 { 1221 if (OPENSSL_strcasecmp(arg, "none") == 0) 1222 *copy_type = EXT_COPY_NONE; 1223 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1224 *copy_type = EXT_COPY_ADD; 1225 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1226 *copy_type = EXT_COPY_ALL; 1227 else 1228 return 0; 1229 return 1; 1230 } 1231 1232 int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1233 { 1234 STACK_OF(X509_EXTENSION) *exts; 1235 int i, ret = 0; 1236 1237 if (x == NULL || req == NULL) 1238 return 0; 1239 if (copy_type == EXT_COPY_NONE) 1240 return 1; 1241 exts = X509_REQ_get_extensions(req); 1242 1243 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1244 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1245 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1246 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1247 1248 /* Does extension exist in target? */ 1249 if (idx != -1) { 1250 /* If normal copy don't override existing extension */ 1251 if (copy_type == EXT_COPY_ADD) 1252 continue; 1253 /* Delete all extensions of same type */ 1254 do { 1255 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1256 idx = X509_get_ext_by_OBJ(x, obj, -1); 1257 } while (idx != -1); 1258 } 1259 if (!X509_add_ext(x, ext, -1)) 1260 goto end; 1261 } 1262 ret = 1; 1263 1264 end: 1265 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1266 return ret; 1267 } 1268 1269 static int set_multi_opts(unsigned long *flags, const char *arg, 1270 const NAME_EX_TBL *in_tbl) 1271 { 1272 STACK_OF(CONF_VALUE) *vals; 1273 CONF_VALUE *val; 1274 int i, ret = 1; 1275 1276 if (!arg) 1277 return 0; 1278 vals = X509V3_parse_list(arg); 1279 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1280 val = sk_CONF_VALUE_value(vals, i); 1281 if (!set_table_opts(flags, val->name, in_tbl)) 1282 ret = 0; 1283 } 1284 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1285 return ret; 1286 } 1287 1288 static int set_table_opts(unsigned long *flags, const char *arg, 1289 const NAME_EX_TBL *in_tbl) 1290 { 1291 char c; 1292 const NAME_EX_TBL *ptbl; 1293 1294 c = arg[0]; 1295 if (c == '-') { 1296 c = 0; 1297 arg++; 1298 } else if (c == '+') { 1299 c = 1; 1300 arg++; 1301 } else { 1302 c = 1; 1303 } 1304 1305 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1306 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1307 *flags &= ~ptbl->mask; 1308 if (c) 1309 *flags |= ptbl->flag; 1310 else 1311 *flags &= ~ptbl->flag; 1312 return 1; 1313 } 1314 } 1315 return 0; 1316 } 1317 1318 void print_name(BIO *out, const char *title, const X509_NAME *nm) 1319 { 1320 char *buf; 1321 char mline = 0; 1322 int indent = 0; 1323 unsigned long lflags = get_nameopt(); 1324 1325 if (out == NULL) 1326 return; 1327 if (title != NULL) 1328 BIO_puts(out, title); 1329 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1330 mline = 1; 1331 indent = 4; 1332 } 1333 if (lflags == XN_FLAG_COMPAT) { 1334 buf = X509_NAME_oneline(nm, 0, 0); 1335 BIO_puts(out, buf); 1336 BIO_puts(out, "\n"); 1337 OPENSSL_free(buf); 1338 } else { 1339 if (mline) 1340 BIO_puts(out, "\n"); 1341 X509_NAME_print_ex(out, nm, indent, lflags); 1342 BIO_puts(out, "\n"); 1343 } 1344 } 1345 1346 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1347 int len, unsigned char *buffer) 1348 { 1349 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1350 if (BN_is_zero(in)) { 1351 BIO_printf(out, "\n 0x00"); 1352 } else { 1353 int i, l; 1354 1355 l = BN_bn2bin(in, buffer); 1356 for (i = 0; i < l; i++) { 1357 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1358 if (i < l - 1) 1359 BIO_printf(out, "0x%02X,", buffer[i]); 1360 else 1361 BIO_printf(out, "0x%02X", buffer[i]); 1362 } 1363 } 1364 BIO_printf(out, "\n };\n"); 1365 } 1366 1367 void print_array(BIO *out, const char *title, int len, const unsigned char *d) 1368 { 1369 int i; 1370 1371 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1372 for (i = 0; i < len; i++) { 1373 if ((i % 10) == 0) 1374 BIO_printf(out, "\n "); 1375 if (i < len - 1) 1376 BIO_printf(out, "0x%02X, ", d[i]); 1377 else 1378 BIO_printf(out, "0x%02X", d[i]); 1379 } 1380 BIO_printf(out, "\n};\n"); 1381 } 1382 1383 X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1384 const char *CApath, int noCApath, 1385 const char *CAstore, int noCAstore) 1386 { 1387 X509_STORE *store = X509_STORE_new(); 1388 X509_LOOKUP *lookup; 1389 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1390 const char *propq = app_get0_propq(); 1391 1392 if (store == NULL) 1393 goto end; 1394 1395 if (CAfile != NULL || !noCAfile) { 1396 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1397 if (lookup == NULL) 1398 goto end; 1399 if (CAfile != NULL) { 1400 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1401 libctx, propq) 1402 <= 0) { 1403 ERR_clear_error(); 1404 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1, 1405 libctx, propq) 1406 <= 0) { 1407 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1408 goto end; 1409 } 1410 } 1411 } else { 1412 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1413 libctx, propq); 1414 } 1415 } 1416 1417 if (CApath != NULL || !noCApath) { 1418 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1419 if (lookup == NULL) 1420 goto end; 1421 if (CApath != NULL) { 1422 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1423 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1424 goto end; 1425 } 1426 } else { 1427 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1428 } 1429 } 1430 1431 if (CAstore != NULL || !noCAstore) { 1432 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1433 if (lookup == NULL) 1434 goto end; 1435 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1436 if (CAstore != NULL) 1437 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1438 goto end; 1439 } 1440 } 1441 1442 ERR_clear_error(); 1443 return store; 1444 end: 1445 ERR_print_errors(bio_err); 1446 X509_STORE_free(store); 1447 return NULL; 1448 } 1449 1450 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1451 { 1452 const char *n; 1453 1454 n = a[DB_serial]; 1455 while (*n == '0') 1456 n++; 1457 return OPENSSL_LH_strhash(n); 1458 } 1459 1460 static int index_serial_cmp(const OPENSSL_CSTRING *a, 1461 const OPENSSL_CSTRING *b) 1462 { 1463 const char *aa, *bb; 1464 1465 for (aa = a[DB_serial]; *aa == '0'; aa++) 1466 ; 1467 for (bb = b[DB_serial]; *bb == '0'; bb++) 1468 ; 1469 return strcmp(aa, bb); 1470 } 1471 1472 static int index_name_qual(char **a) 1473 { 1474 return (a[0][0] == 'V'); 1475 } 1476 1477 static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1478 { 1479 return OPENSSL_LH_strhash(a[DB_name]); 1480 } 1481 1482 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1483 { 1484 return strcmp(a[DB_name], b[DB_name]); 1485 } 1486 1487 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1488 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1489 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1490 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1491 #undef BSIZE 1492 #define BSIZE 256 1493 BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1494 ASN1_INTEGER **retai) 1495 { 1496 BIO *in = NULL; 1497 BIGNUM *ret = NULL; 1498 char buf[1024]; 1499 ASN1_INTEGER *ai = NULL; 1500 1501 ai = ASN1_INTEGER_new(); 1502 if (ai == NULL) 1503 goto err; 1504 1505 in = BIO_new_file(serialfile, "r"); 1506 if (exists != NULL) 1507 *exists = in != NULL; 1508 if (in == NULL) { 1509 if (!create) { 1510 perror(serialfile); 1511 goto err; 1512 } 1513 ERR_clear_error(); 1514 ret = BN_new(); 1515 if (ret == NULL) { 1516 BIO_printf(bio_err, "Out of memory\n"); 1517 } else if (!rand_serial(ret, ai)) { 1518 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1519 serialfile); 1520 BN_free(ret); 1521 ret = NULL; 1522 } 1523 } else { 1524 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1525 BIO_printf(bio_err, "Unable to load number from %s\n", 1526 serialfile); 1527 goto err; 1528 } 1529 ret = ASN1_INTEGER_to_BN(ai, NULL); 1530 if (ret == NULL) { 1531 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1532 goto err; 1533 } 1534 } 1535 1536 if (ret != NULL && retai != NULL) { 1537 *retai = ai; 1538 ai = NULL; 1539 } 1540 err: 1541 if (ret == NULL) 1542 ERR_print_errors(bio_err); 1543 BIO_free(in); 1544 ASN1_INTEGER_free(ai); 1545 return ret; 1546 } 1547 1548 int save_serial(const char *serialfile, const char *suffix, 1549 const BIGNUM *serial, ASN1_INTEGER **retai) 1550 { 1551 char buf[1][BSIZE]; 1552 BIO *out = NULL; 1553 int ret = 0; 1554 ASN1_INTEGER *ai = NULL; 1555 int j; 1556 1557 if (suffix == NULL) 1558 j = strlen(serialfile); 1559 else 1560 j = strlen(serialfile) + strlen(suffix) + 1; 1561 if (j >= BSIZE) { 1562 BIO_printf(bio_err, "File name too long\n"); 1563 goto err; 1564 } 1565 1566 if (suffix == NULL) { 1567 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1568 } else { 1569 #ifndef OPENSSL_SYS_VMS 1570 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1571 #else 1572 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1573 #endif 1574 } 1575 out = BIO_new_file(buf[0], "w"); 1576 if (out == NULL) { 1577 goto err; 1578 } 1579 1580 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1581 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1582 goto err; 1583 } 1584 i2a_ASN1_INTEGER(out, ai); 1585 BIO_puts(out, "\n"); 1586 ret = 1; 1587 if (retai) { 1588 *retai = ai; 1589 ai = NULL; 1590 } 1591 err: 1592 if (!ret) 1593 ERR_print_errors(bio_err); 1594 BIO_free_all(out); 1595 ASN1_INTEGER_free(ai); 1596 return ret; 1597 } 1598 1599 int rotate_serial(const char *serialfile, const char *new_suffix, 1600 const char *old_suffix) 1601 { 1602 char buf[2][BSIZE]; 1603 int i, j; 1604 1605 i = strlen(serialfile) + strlen(old_suffix); 1606 j = strlen(serialfile) + strlen(new_suffix); 1607 if (i > j) 1608 j = i; 1609 if (j + 1 >= BSIZE) { 1610 BIO_printf(bio_err, "File name too long\n"); 1611 goto err; 1612 } 1613 #ifndef OPENSSL_SYS_VMS 1614 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1615 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1616 #else 1617 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1618 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1619 #endif 1620 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1621 #ifdef ENOTDIR 1622 && errno != ENOTDIR 1623 #endif 1624 ) { 1625 BIO_printf(bio_err, 1626 "Unable to rename %s to %s\n", serialfile, buf[1]); 1627 perror("reason"); 1628 goto err; 1629 } 1630 if (rename(buf[0], serialfile) < 0) { 1631 BIO_printf(bio_err, 1632 "Unable to rename %s to %s\n", buf[0], serialfile); 1633 perror("reason"); 1634 rename(buf[1], serialfile); 1635 goto err; 1636 } 1637 return 1; 1638 err: 1639 ERR_print_errors(bio_err); 1640 return 0; 1641 } 1642 1643 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1644 { 1645 BIGNUM *btmp; 1646 int ret = 0; 1647 1648 btmp = b == NULL ? BN_new() : b; 1649 if (btmp == NULL) 1650 return 0; 1651 1652 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1653 goto error; 1654 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1655 goto error; 1656 1657 ret = 1; 1658 1659 error: 1660 1661 if (btmp != b) 1662 BN_free(btmp); 1663 1664 return ret; 1665 } 1666 1667 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1668 { 1669 CA_DB *retdb = NULL; 1670 TXT_DB *tmpdb = NULL; 1671 BIO *in; 1672 CONF *dbattr_conf = NULL; 1673 char buf[BSIZE]; 1674 #ifndef OPENSSL_NO_POSIX_IO 1675 FILE *dbfp; 1676 struct stat dbst; 1677 #endif 1678 1679 in = BIO_new_file(dbfile, "r"); 1680 if (in == NULL) 1681 goto err; 1682 1683 #ifndef OPENSSL_NO_POSIX_IO 1684 BIO_get_fp(in, &dbfp); 1685 if (fstat(fileno(dbfp), &dbst) == -1) { 1686 ERR_raise_data(ERR_LIB_SYS, errno, 1687 "calling fstat(%s)", dbfile); 1688 goto err; 1689 } 1690 #endif 1691 1692 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1693 goto err; 1694 1695 #ifndef OPENSSL_SYS_VMS 1696 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1697 #else 1698 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1699 #endif 1700 dbattr_conf = app_load_config_quiet(buf); 1701 1702 retdb = app_malloc(sizeof(*retdb), "new DB"); 1703 retdb->db = tmpdb; 1704 tmpdb = NULL; 1705 if (db_attr) 1706 retdb->attributes = *db_attr; 1707 else 1708 retdb->attributes.unique_subject = 1; 1709 1710 if (dbattr_conf != NULL) { 1711 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject"); 1712 1713 if (p != NULL) 1714 retdb->attributes.unique_subject = parse_yesno(p, 1); 1715 } 1716 1717 retdb->dbfname = OPENSSL_strdup(dbfile); 1718 if (retdb->dbfname == NULL) 1719 goto err; 1720 1721 #ifndef OPENSSL_NO_POSIX_IO 1722 retdb->dbst = dbst; 1723 #endif 1724 1725 err: 1726 ERR_print_errors(bio_err); 1727 NCONF_free(dbattr_conf); 1728 TXT_DB_free(tmpdb); 1729 BIO_free_all(in); 1730 return retdb; 1731 } 1732 1733 /* 1734 * Returns > 0 on success, <= 0 on error 1735 */ 1736 int index_index(CA_DB *db) 1737 { 1738 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1739 LHASH_HASH_FN(index_serial), 1740 LHASH_COMP_FN(index_serial))) { 1741 BIO_printf(bio_err, 1742 "Error creating serial number index:(%ld,%ld,%ld)\n", 1743 db->db->error, db->db->arg1, db->db->arg2); 1744 goto err; 1745 } 1746 1747 if (db->attributes.unique_subject 1748 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1749 LHASH_HASH_FN(index_name), 1750 LHASH_COMP_FN(index_name))) { 1751 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1752 db->db->error, db->db->arg1, db->db->arg2); 1753 goto err; 1754 } 1755 return 1; 1756 err: 1757 ERR_print_errors(bio_err); 1758 return 0; 1759 } 1760 1761 int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1762 { 1763 char buf[3][BSIZE]; 1764 BIO *out; 1765 int j; 1766 1767 j = strlen(dbfile) + strlen(suffix); 1768 if (j + 6 >= BSIZE) { 1769 BIO_printf(bio_err, "File name too long\n"); 1770 goto err; 1771 } 1772 #ifndef OPENSSL_SYS_VMS 1773 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile); 1774 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix); 1775 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix); 1776 #else 1777 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1778 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1779 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1780 #endif 1781 out = BIO_new_file(buf[0], "w"); 1782 if (out == NULL) { 1783 perror(dbfile); 1784 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1785 goto err; 1786 } 1787 j = TXT_DB_write(out, db->db); 1788 BIO_free(out); 1789 if (j <= 0) 1790 goto err; 1791 1792 out = BIO_new_file(buf[1], "w"); 1793 if (out == NULL) { 1794 perror(buf[2]); 1795 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1796 goto err; 1797 } 1798 BIO_printf(out, "unique_subject = %s\n", 1799 db->attributes.unique_subject ? "yes" : "no"); 1800 BIO_free(out); 1801 1802 return 1; 1803 err: 1804 ERR_print_errors(bio_err); 1805 return 0; 1806 } 1807 1808 int rotate_index(const char *dbfile, const char *new_suffix, 1809 const char *old_suffix) 1810 { 1811 char buf[5][BSIZE]; 1812 int i, j; 1813 1814 i = strlen(dbfile) + strlen(old_suffix); 1815 j = strlen(dbfile) + strlen(new_suffix); 1816 if (i > j) 1817 j = i; 1818 if (j + 6 >= BSIZE) { 1819 BIO_printf(bio_err, "File name too long\n"); 1820 goto err; 1821 } 1822 #ifndef OPENSSL_SYS_VMS 1823 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1824 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1825 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1826 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1827 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1828 #else 1829 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1830 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1831 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1832 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1833 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1834 #endif 1835 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1836 #ifdef ENOTDIR 1837 && errno != ENOTDIR 1838 #endif 1839 ) { 1840 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1841 perror("reason"); 1842 goto err; 1843 } 1844 if (rename(buf[0], dbfile) < 0) { 1845 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1846 perror("reason"); 1847 rename(buf[1], dbfile); 1848 goto err; 1849 } 1850 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1851 #ifdef ENOTDIR 1852 && errno != ENOTDIR 1853 #endif 1854 ) { 1855 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1856 perror("reason"); 1857 rename(dbfile, buf[0]); 1858 rename(buf[1], dbfile); 1859 goto err; 1860 } 1861 if (rename(buf[2], buf[4]) < 0) { 1862 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1863 perror("reason"); 1864 rename(buf[3], buf[4]); 1865 rename(dbfile, buf[0]); 1866 rename(buf[1], dbfile); 1867 goto err; 1868 } 1869 return 1; 1870 err: 1871 ERR_print_errors(bio_err); 1872 return 0; 1873 } 1874 1875 void free_index(CA_DB *db) 1876 { 1877 if (db) { 1878 TXT_DB_free(db->db); 1879 OPENSSL_free(db->dbfname); 1880 OPENSSL_free(db); 1881 } 1882 } 1883 1884 int parse_yesno(const char *str, int def) 1885 { 1886 if (str) { 1887 switch (*str) { 1888 case 'f': /* false */ 1889 case 'F': /* FALSE */ 1890 case 'n': /* no */ 1891 case 'N': /* NO */ 1892 case '0': /* 0 */ 1893 return 0; 1894 case 't': /* true */ 1895 case 'T': /* TRUE */ 1896 case 'y': /* yes */ 1897 case 'Y': /* YES */ 1898 case '1': /* 1 */ 1899 return 1; 1900 } 1901 } 1902 return def; 1903 } 1904 1905 /* 1906 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1907 * where + can be used instead of / to form multi-valued RDNs if canmulti 1908 * and characters may be escaped by \ 1909 */ 1910 X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1911 const char *desc) 1912 { 1913 int nextismulti = 0; 1914 char *work; 1915 X509_NAME *n; 1916 1917 if (*cp++ != '/') { 1918 BIO_printf(bio_err, 1919 "%s: %s name is expected to be in the format " 1920 "/type0=value0/type1=value1/type2=... where characters may " 1921 "be escaped by \\. This name is not in that format: '%s'\n", 1922 opt_getprog(), desc, --cp); 1923 return NULL; 1924 } 1925 1926 n = X509_NAME_new(); 1927 if (n == NULL) { 1928 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1929 return NULL; 1930 } 1931 work = OPENSSL_strdup(cp); 1932 if (work == NULL) { 1933 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1934 opt_getprog(), desc); 1935 goto err; 1936 } 1937 1938 while (*cp != '\0') { 1939 char *bp = work; 1940 char *typestr = bp; 1941 unsigned char *valstr; 1942 int nid; 1943 int ismulti = nextismulti; 1944 1945 nextismulti = 0; 1946 1947 /* Collect the type */ 1948 while (*cp != '\0' && *cp != '=') 1949 *bp++ = *cp++; 1950 *bp++ = '\0'; 1951 if (*cp == '\0') { 1952 BIO_printf(bio_err, 1953 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1954 opt_getprog(), typestr, desc); 1955 goto err; 1956 } 1957 ++cp; 1958 1959 /* Collect the value. */ 1960 valstr = (unsigned char *)bp; 1961 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 1962 /* unescaped '+' symbol string signals further member of multiRDN */ 1963 if (canmulti && *cp == '+') { 1964 nextismulti = 1; 1965 break; 1966 } 1967 if (*cp == '\\' && *++cp == '\0') { 1968 BIO_printf(bio_err, 1969 "%s: Escape character at end of %s name string\n", 1970 opt_getprog(), desc); 1971 goto err; 1972 } 1973 } 1974 *bp++ = '\0'; 1975 1976 /* If not at EOS (must be + or /), move forward. */ 1977 if (*cp != '\0') 1978 ++cp; 1979 1980 /* Parse */ 1981 nid = OBJ_txt2nid(typestr); 1982 if (nid == NID_undef) { 1983 BIO_printf(bio_err, 1984 "%s warning: Skipping unknown %s name attribute \"%s\"\n", 1985 opt_getprog(), desc, typestr); 1986 if (ismulti) 1987 BIO_printf(bio_err, 1988 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", 1989 opt_getprog()); 1990 continue; 1991 } 1992 if (*valstr == '\0') { 1993 BIO_printf(bio_err, 1994 "%s warning: No value provided for %s name attribute \"%s\", skipped\n", 1995 opt_getprog(), desc, typestr); 1996 continue; 1997 } 1998 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1999 valstr, strlen((char *)valstr), 2000 -1, ismulti ? -1 : 0)) { 2001 ERR_print_errors(bio_err); 2002 BIO_printf(bio_err, 2003 "%s: Error adding %s name attribute \"/%s=%s\"\n", 2004 opt_getprog(), desc, typestr, valstr); 2005 goto err; 2006 } 2007 } 2008 2009 OPENSSL_free(work); 2010 return n; 2011 2012 err: 2013 X509_NAME_free(n); 2014 OPENSSL_free(work); 2015 return NULL; 2016 } 2017 2018 /* 2019 * Read whole contents of a BIO into an allocated memory buffer. 2020 * The return value is one on success, zero on error. 2021 * If `maxlen` is non-zero, at most `maxlen` bytes are returned, or else, if 2022 * the input is longer than `maxlen`, an error is returned. 2023 * If `maxlen` is zero, the limit is effectively `SIZE_MAX`. 2024 */ 2025 int bio_to_mem(unsigned char **out, size_t *outlen, size_t maxlen, BIO *in) 2026 { 2027 unsigned char tbuf[4096]; 2028 BIO *mem; 2029 BUF_MEM *bufm; 2030 size_t sz = 0; 2031 int len; 2032 2033 mem = BIO_new(BIO_s_mem()); 2034 if (mem == NULL) 2035 return 0; 2036 for (;;) { 2037 if ((len = BIO_read(in, tbuf, 4096)) == 0) 2038 break; 2039 if (len < 0 2040 || BIO_write(mem, tbuf, len) != len 2041 || sz > SIZE_MAX - len 2042 || ((sz += len) > maxlen && maxlen != 0)) { 2043 BIO_free(mem); 2044 return 0; 2045 } 2046 } 2047 2048 /* So BIO_free orphans BUF_MEM */ 2049 (void)BIO_set_close(mem, BIO_NOCLOSE); 2050 BIO_get_mem_ptr(mem, &bufm); 2051 BIO_free(mem); 2052 *out = (unsigned char *)bufm->data; 2053 *outlen = bufm->length; 2054 /* Tell BUF_MEM to orphan data */ 2055 bufm->data = NULL; 2056 BUF_MEM_free(bufm); 2057 return 1; 2058 } 2059 2060 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2061 { 2062 int rv = 0; 2063 char *stmp, *vtmp = NULL; 2064 2065 stmp = OPENSSL_strdup(value); 2066 if (stmp == NULL) 2067 return -1; 2068 vtmp = strchr(stmp, ':'); 2069 if (vtmp == NULL) 2070 goto err; 2071 2072 *vtmp = 0; 2073 vtmp++; 2074 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2075 2076 err: 2077 OPENSSL_free(stmp); 2078 return rv; 2079 } 2080 2081 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2082 { 2083 X509_POLICY_NODE *node; 2084 int i; 2085 2086 BIO_printf(bio_err, "%s Policies:", name); 2087 if (nodes) { 2088 BIO_puts(bio_err, "\n"); 2089 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2090 node = sk_X509_POLICY_NODE_value(nodes, i); 2091 X509_POLICY_NODE_print(bio_err, node, 2); 2092 } 2093 } else { 2094 BIO_puts(bio_err, " <empty>\n"); 2095 } 2096 } 2097 2098 void policies_print(X509_STORE_CTX *ctx) 2099 { 2100 X509_POLICY_TREE *tree; 2101 int explicit_policy; 2102 2103 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2104 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2105 2106 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2107 explicit_policy ? "True" : "False"); 2108 2109 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2110 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2111 } 2112 2113 /*- 2114 * next_protos_parse parses a comma separated list of strings into a string 2115 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2116 * outlen: (output) set to the length of the resulting buffer on success. 2117 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2118 * in: a NUL terminated string like "abc,def,ghi" 2119 * 2120 * returns: a malloc'd buffer or NULL on failure. 2121 */ 2122 unsigned char *next_protos_parse(size_t *outlen, const char *in) 2123 { 2124 size_t len; 2125 unsigned char *out; 2126 size_t i, start = 0; 2127 size_t skipped = 0; 2128 2129 len = strlen(in); 2130 if (len == 0 || len >= 65535) 2131 return NULL; 2132 2133 out = app_malloc(len + 1, "NPN buffer"); 2134 for (i = 0; i <= len; ++i) { 2135 if (i == len || in[i] == ',') { 2136 /* 2137 * Zero-length ALPN elements are invalid on the wire, we could be 2138 * strict and reject the entire string, but just ignoring extra 2139 * commas seems harmless and more friendly. 2140 * 2141 * Every comma we skip in this way puts the input buffer another 2142 * byte ahead of the output buffer, so all stores into the output 2143 * buffer need to be decremented by the number commas skipped. 2144 */ 2145 if (i == start) { 2146 ++start; 2147 ++skipped; 2148 continue; 2149 } 2150 if (i - start > 255) { 2151 OPENSSL_free(out); 2152 return NULL; 2153 } 2154 out[start - skipped] = (unsigned char)(i - start); 2155 start = i + 1; 2156 } else { 2157 out[i + 1 - skipped] = in[i]; 2158 } 2159 } 2160 2161 if (len <= skipped) { 2162 OPENSSL_free(out); 2163 return NULL; 2164 } 2165 2166 *outlen = len + 1 - skipped; 2167 return out; 2168 } 2169 2170 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost, 2171 const char *checkemail, const char *checkip, 2172 int print) 2173 { 2174 int valid_host = 0; 2175 int valid_mail = 0; 2176 int valid_ip = 0; 2177 int ret = 1; 2178 2179 if (x == NULL) 2180 return 0; 2181 2182 if (checkhost != NULL) { 2183 valid_host = X509_check_host(x, checkhost, 0, 0, NULL); 2184 if (print) 2185 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2186 checkhost, valid_host == 1 ? "" : " NOT"); 2187 ret = ret && valid_host > 0; 2188 } 2189 2190 if (checkemail != NULL) { 2191 valid_mail = X509_check_email(x, checkemail, 0, 0); 2192 if (print) 2193 BIO_printf(bio, "Email %s does%s match certificate\n", 2194 checkemail, valid_mail ? "" : " NOT"); 2195 ret = ret && valid_mail > 0; 2196 } 2197 2198 if (checkip != NULL) { 2199 valid_ip = X509_check_ip_asc(x, checkip, 0); 2200 if (print) 2201 BIO_printf(bio, "IP %s does%s match certificate\n", 2202 checkip, valid_ip ? "" : " NOT"); 2203 ret = ret && valid_ip > 0; 2204 } 2205 2206 return ret; 2207 } 2208 2209 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2210 { 2211 int i; 2212 2213 if (opts == NULL) 2214 return 1; 2215 2216 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2217 char *opt = sk_OPENSSL_STRING_value(opts, i); 2218 2219 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2220 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2221 ERR_print_errors(bio_err); 2222 return 0; 2223 } 2224 } 2225 2226 return 1; 2227 } 2228 2229 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2230 { 2231 int i; 2232 2233 if (opts == NULL) 2234 return 1; 2235 2236 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2237 char *opt = sk_OPENSSL_STRING_value(opts, i); 2238 2239 if (x509_ctrl_string(x, opt) <= 0) { 2240 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2241 ERR_print_errors(bio_err); 2242 return 0; 2243 } 2244 } 2245 2246 return 1; 2247 } 2248 2249 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2250 { 2251 int i; 2252 2253 if (opts == NULL) 2254 return 1; 2255 2256 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2257 char *opt = sk_OPENSSL_STRING_value(opts, i); 2258 2259 if (x509_req_ctrl_string(x, opt) <= 0) { 2260 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2261 ERR_print_errors(bio_err); 2262 return 0; 2263 } 2264 } 2265 2266 return 1; 2267 } 2268 2269 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2270 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2271 { 2272 EVP_PKEY_CTX *pkctx = NULL; 2273 char def_md[80]; 2274 2275 if (ctx == NULL) 2276 return 0; 2277 /* 2278 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2279 * for this algorithm. 2280 */ 2281 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2282 && strcmp(def_md, "UNDEF") == 0) { 2283 /* The signing algorithm requires there to be no digest */ 2284 md = NULL; 2285 } 2286 2287 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2288 app_get0_propq(), pkey, NULL) 2289 && do_pkey_ctx_init(pkctx, sigopts); 2290 } 2291 2292 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2293 const char *name, const char *value, int add_default) 2294 { 2295 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2296 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2297 int idx, rv = 0; 2298 2299 if (new_ext == NULL) 2300 return rv; 2301 2302 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2303 if (idx >= 0) { 2304 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2305 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext); 2306 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */ 2307 2308 if (disabled) { 2309 X509_delete_ext(cert, idx); 2310 X509_EXTENSION_free(found_ext); 2311 } /* else keep existing key identifier, which might be outdated */ 2312 rv = 1; 2313 } else { 2314 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2315 } 2316 X509_EXTENSION_free(new_ext); 2317 return rv; 2318 } 2319 2320 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey) 2321 { 2322 int match; 2323 2324 ERR_set_mark(); 2325 match = X509_check_private_key(cert, pkey); 2326 ERR_pop_to_mark(); 2327 return match; 2328 } 2329 2330 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2331 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md, 2332 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2333 { 2334 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2335 int self_sign; 2336 int rv = 0; 2337 2338 if (!force_v1) { 2339 if (!X509_set_version(cert, X509_VERSION_3)) 2340 goto end; 2341 2342 /* 2343 * Add default SKID before AKID such that AKID can make use of it 2344 * in case the certificate is self-signed 2345 */ 2346 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2347 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2348 goto end; 2349 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2350 self_sign = cert_matches_key(cert, pkey); 2351 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2352 "keyid, issuer", !self_sign)) 2353 goto end; 2354 } 2355 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */ 2356 2357 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2358 rv = (X509_sign_ctx(cert, mctx) > 0); 2359 end: 2360 EVP_MD_CTX_free(mctx); 2361 return rv; 2362 } 2363 2364 /* Sign the certificate request info */ 2365 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, 2366 STACK_OF(OPENSSL_STRING) *sigopts) 2367 { 2368 int rv = 0; 2369 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2370 2371 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2372 rv = (X509_REQ_sign_ctx(x, mctx) > 0); 2373 EVP_MD_CTX_free(mctx); 2374 return rv; 2375 } 2376 2377 /* Sign the CRL info */ 2378 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2379 STACK_OF(OPENSSL_STRING) *sigopts) 2380 { 2381 int rv = 0; 2382 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2383 2384 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2385 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2386 EVP_MD_CTX_free(mctx); 2387 return rv; 2388 } 2389 2390 /* 2391 * do_X509_verify returns 1 if the signature is valid, 2392 * 0 if the signature check fails, or -1 if error occurs. 2393 */ 2394 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2395 { 2396 int rv = 0; 2397 2398 if (do_x509_init(x, vfyopts) > 0) 2399 rv = X509_verify(x, pkey); 2400 else 2401 rv = -1; 2402 return rv; 2403 } 2404 2405 /* 2406 * do_X509_REQ_verify returns 1 if the signature is valid, 2407 * 0 if the signature check fails, or -1 if error occurs. 2408 */ 2409 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2410 STACK_OF(OPENSSL_STRING) *vfyopts) 2411 { 2412 int rv = 0; 2413 2414 if (do_x509_req_init(x, vfyopts) > 0) 2415 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq()); 2416 else 2417 rv = -1; 2418 return rv; 2419 } 2420 2421 /* Get first http URL from a DIST_POINT structure */ 2422 2423 static const char *get_dp_url(DIST_POINT *dp) 2424 { 2425 GENERAL_NAMES *gens; 2426 GENERAL_NAME *gen; 2427 int i, gtype; 2428 ASN1_STRING *uri; 2429 2430 if (!dp->distpoint || dp->distpoint->type != 0) 2431 return NULL; 2432 gens = dp->distpoint->name.fullname; 2433 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2434 gen = sk_GENERAL_NAME_value(gens, i); 2435 uri = GENERAL_NAME_get0_value(gen, >ype); 2436 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2437 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2438 2439 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2440 return uptr; 2441 } 2442 } 2443 return NULL; 2444 } 2445 2446 /* 2447 * Look through a CRLDP structure and attempt to find an http URL to 2448 * downloads a CRL from. 2449 */ 2450 2451 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2452 { 2453 int i; 2454 const char *urlptr = NULL; 2455 2456 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2457 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2458 2459 urlptr = get_dp_url(dp); 2460 if (urlptr != NULL) 2461 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2462 } 2463 return NULL; 2464 } 2465 2466 /* 2467 * Example of downloading CRLs from CRLDP: 2468 * not usable for real world as it always downloads and doesn't cache anything. 2469 */ 2470 2471 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2472 const X509_NAME *nm) 2473 { 2474 X509 *x; 2475 STACK_OF(X509_CRL) *crls = NULL; 2476 X509_CRL *crl; 2477 STACK_OF(DIST_POINT) *crldp; 2478 2479 crls = sk_X509_CRL_new_null(); 2480 if (!crls) 2481 return NULL; 2482 x = X509_STORE_CTX_get_current_cert(ctx); 2483 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2484 crl = load_crl_crldp(crldp); 2485 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2486 2487 if (crl == NULL || !sk_X509_CRL_push(crls, crl)) 2488 goto error; 2489 2490 /* Try to download delta CRL */ 2491 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2492 crl = load_crl_crldp(crldp); 2493 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2494 2495 if (crl != NULL && !sk_X509_CRL_push(crls, crl)) 2496 goto error; 2497 2498 return crls; 2499 2500 error: 2501 X509_CRL_free(crl); 2502 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2503 return NULL; 2504 } 2505 2506 void store_setup_crl_download(X509_STORE *st) 2507 { 2508 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2509 } 2510 2511 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP) 2512 static const char *tls_error_hint(void) 2513 { 2514 unsigned long err = ERR_peek_error(); 2515 2516 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2517 err = ERR_peek_last_error(); 2518 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2519 return NULL; /* likely no TLS error */ 2520 2521 switch (ERR_GET_REASON(err)) { 2522 case SSL_R_WRONG_VERSION_NUMBER: 2523 return "The server does not support (a suitable version of) TLS"; 2524 case SSL_R_UNKNOWN_PROTOCOL: 2525 return "The server does not support HTTPS"; 2526 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2527 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2528 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2529 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2530 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2531 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2532 default: 2533 return NULL; /* no hint available for TLS error */ 2534 } 2535 } 2536 2537 static BIO *http_tls_shutdown(BIO *bio) 2538 { 2539 if (bio != NULL) { 2540 BIO *cbio; 2541 const char *hint = tls_error_hint(); 2542 2543 if (hint != NULL) 2544 BIO_printf(bio_err, "%s\n", hint); 2545 (void)ERR_set_mark(); 2546 BIO_ssl_shutdown(bio); 2547 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2548 BIO_free(bio); /* SSL BIO */ 2549 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2550 bio = cbio; 2551 } 2552 return bio; 2553 } 2554 2555 /* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2556 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2557 { 2558 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2559 SSL_CTX *ssl_ctx = info->ssl_ctx; 2560 2561 if (ssl_ctx == NULL) /* not using TLS */ 2562 return bio; 2563 if (connect) { 2564 SSL *ssl; 2565 BIO *sbio = NULL; 2566 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2567 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2568 const char *host = vpm == NULL ? NULL : X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2569 2570 /* adapt after fixing callback design flaw, see #17088 */ 2571 if ((info->use_proxy 2572 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2573 NULL, NULL, /* no proxy credentials */ 2574 info->timeout, bio_err, opt_getprog())) 2575 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2576 return NULL; 2577 } 2578 if ((ssl = SSL_new(ssl_ctx)) == NULL) { 2579 BIO_free(sbio); 2580 return NULL; 2581 } 2582 2583 if (vpm != NULL) 2584 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2585 2586 SSL_set_connect_state(ssl); 2587 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2588 2589 bio = BIO_push(sbio, bio); 2590 } else { /* disconnect from TLS */ 2591 bio = http_tls_shutdown(bio); 2592 } 2593 return bio; 2594 } 2595 2596 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2597 { 2598 if (info != NULL) { 2599 SSL_CTX_free(info->ssl_ctx); 2600 OPENSSL_free(info); 2601 } 2602 } 2603 2604 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2605 const char *no_proxy, SSL_CTX *ssl_ctx, 2606 const STACK_OF(CONF_VALUE) *headers, 2607 long timeout, const char *expected_content_type, 2608 const ASN1_ITEM *it) 2609 { 2610 APP_HTTP_TLS_INFO info; 2611 char *server; 2612 char *port; 2613 int use_ssl; 2614 BIO *mem; 2615 ASN1_VALUE *resp = NULL; 2616 2617 if (url == NULL || it == NULL) { 2618 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2619 return NULL; 2620 } 2621 2622 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2623 NULL /* port_num, */, NULL, NULL, NULL)) 2624 return NULL; 2625 if (use_ssl && ssl_ctx == NULL) { 2626 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2627 "missing SSL_CTX"); 2628 goto end; 2629 } 2630 if (!use_ssl && ssl_ctx != NULL) { 2631 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2632 "SSL_CTX given but use_ssl == 0"); 2633 goto end; 2634 } 2635 2636 info.server = server; 2637 info.port = port; 2638 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2639 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2640 info.timeout = timeout; 2641 info.ssl_ctx = ssl_ctx; 2642 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2643 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2644 expected_content_type, 1 /* expect_asn1 */, 2645 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2646 resp = ASN1_item_d2i_bio(it, mem, NULL); 2647 BIO_free(mem); 2648 2649 end: 2650 OPENSSL_free(server); 2651 OPENSSL_free(port); 2652 return resp; 2653 } 2654 2655 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2656 const char *path, const char *proxy, 2657 const char *no_proxy, SSL_CTX *ssl_ctx, 2658 const STACK_OF(CONF_VALUE) *headers, 2659 const char *content_type, 2660 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2661 const char *expected_content_type, 2662 long timeout, const ASN1_ITEM *rsp_it) 2663 { 2664 int use_ssl = ssl_ctx != NULL; 2665 APP_HTTP_TLS_INFO info; 2666 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2667 ASN1_VALUE *res; 2668 2669 if (req_mem == NULL) 2670 return NULL; 2671 2672 info.server = host; 2673 info.port = port; 2674 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2675 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2676 info.timeout = timeout; 2677 info.ssl_ctx = ssl_ctx; 2678 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2679 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2680 app_http_tls_cb, &info, 2681 0 /* buf_size */, headers, content_type, req_mem, 2682 expected_content_type, 1 /* expect_asn1 */, 2683 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2684 0 /* keep_alive */); 2685 BIO_free(req_mem); 2686 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2687 BIO_free(rsp); 2688 return res; 2689 } 2690 2691 #endif 2692 2693 /* 2694 * Platform-specific sections 2695 */ 2696 #if defined(_WIN32) 2697 #ifdef fileno 2698 #undef fileno 2699 #define fileno(a) (int)_fileno(a) 2700 #endif 2701 2702 #include <windows.h> 2703 #include <tchar.h> 2704 2705 static int WIN32_rename(const char *from, const char *to) 2706 { 2707 TCHAR *tfrom = NULL, *tto; 2708 DWORD err; 2709 int ret = 0; 2710 2711 if (sizeof(TCHAR) == 1) { 2712 tfrom = (TCHAR *)from; 2713 tto = (TCHAR *)to; 2714 } else { /* UNICODE path */ 2715 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2716 2717 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2718 if (tfrom == NULL) 2719 goto err; 2720 tto = tfrom + flen; 2721 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2722 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2723 #endif 2724 for (i = 0; i < flen; i++) 2725 tfrom[i] = (TCHAR)from[i]; 2726 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2727 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2728 #endif 2729 for (i = 0; i < tlen; i++) 2730 tto[i] = (TCHAR)to[i]; 2731 } 2732 2733 if (MoveFile(tfrom, tto)) 2734 goto ok; 2735 err = GetLastError(); 2736 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2737 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2738 goto ok; 2739 err = GetLastError(); 2740 } 2741 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2742 errno = ENOENT; 2743 else if (err == ERROR_ACCESS_DENIED) 2744 errno = EACCES; 2745 else 2746 errno = EINVAL; /* we could map more codes... */ 2747 err: 2748 ret = -1; 2749 ok: 2750 if (tfrom != NULL && tfrom != (TCHAR *)from) 2751 free(tfrom); 2752 return ret; 2753 } 2754 #endif 2755 2756 /* app_tminterval section */ 2757 #if defined(_WIN32) 2758 double app_tminterval(int stop, int usertime) 2759 { 2760 FILETIME now; 2761 double ret = 0; 2762 static ULARGE_INTEGER tmstart; 2763 static int warning = 1; 2764 int use_GetSystemTime = 1; 2765 #ifdef _WIN32_WINNT 2766 static HANDLE proc = NULL; 2767 2768 if (proc == NULL) { 2769 if (check_winnt()) 2770 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2771 GetCurrentProcessId()); 2772 if (proc == NULL) 2773 proc = (HANDLE)-1; 2774 } 2775 2776 if (usertime && proc != (HANDLE)-1) { 2777 FILETIME junk; 2778 2779 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2780 use_GetSystemTime = 0; 2781 } 2782 #endif 2783 if (use_GetSystemTime) { 2784 SYSTEMTIME systime; 2785 2786 if (usertime && warning) { 2787 BIO_printf(bio_err, "To get meaningful results, run " 2788 "this program on idle system.\n"); 2789 warning = 0; 2790 } 2791 GetSystemTime(&systime); 2792 SystemTimeToFileTime(&systime, &now); 2793 } 2794 2795 if (stop == TM_START) { 2796 tmstart.u.LowPart = now.dwLowDateTime; 2797 tmstart.u.HighPart = now.dwHighDateTime; 2798 } else { 2799 ULARGE_INTEGER tmstop; 2800 2801 tmstop.u.LowPart = now.dwLowDateTime; 2802 tmstop.u.HighPart = now.dwHighDateTime; 2803 2804 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2805 } 2806 2807 return ret; 2808 } 2809 #elif defined(OPENSSL_SYS_VXWORKS) 2810 #include <time.h> 2811 2812 double app_tminterval(int stop, int usertime) 2813 { 2814 double ret = 0; 2815 #ifdef CLOCK_REALTIME 2816 static struct timespec tmstart; 2817 struct timespec now; 2818 #else 2819 static unsigned long tmstart; 2820 unsigned long now; 2821 #endif 2822 static int warning = 1; 2823 2824 if (usertime && warning) { 2825 BIO_printf(bio_err, "To get meaningful results, run " 2826 "this program on idle system.\n"); 2827 warning = 0; 2828 } 2829 #ifdef CLOCK_REALTIME 2830 clock_gettime(CLOCK_REALTIME, &now); 2831 if (stop == TM_START) 2832 tmstart = now; 2833 else 2834 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2835 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2836 #else 2837 now = tickGet(); 2838 if (stop == TM_START) 2839 tmstart = now; 2840 else 2841 ret = (now - tmstart) / (double)sysClkRateGet(); 2842 #endif 2843 return ret; 2844 } 2845 2846 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2847 #include <sys/times.h> 2848 2849 double app_tminterval(int stop, int usertime) 2850 { 2851 double ret = 0; 2852 struct tms rus; 2853 clock_t now = times(&rus); 2854 static clock_t tmstart; 2855 2856 if (usertime) 2857 now = rus.tms_utime; 2858 2859 if (stop == TM_START) { 2860 tmstart = now; 2861 } else { 2862 long int tck = sysconf(_SC_CLK_TCK); 2863 2864 ret = (now - tmstart) / (double)tck; 2865 } 2866 2867 return ret; 2868 } 2869 2870 #else 2871 #include <sys/time.h> 2872 #include <sys/resource.h> 2873 2874 double app_tminterval(int stop, int usertime) 2875 { 2876 double ret = 0; 2877 struct rusage rus; 2878 struct timeval now; 2879 static struct timeval tmstart; 2880 2881 if (usertime) 2882 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2883 else 2884 gettimeofday(&now, NULL); 2885 2886 if (stop == TM_START) 2887 tmstart = now; 2888 else 2889 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2890 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2891 2892 return ret; 2893 } 2894 #endif 2895 2896 int app_access(const char *name, int flag) 2897 { 2898 #ifdef _WIN32 2899 return _access(name, flag); 2900 #else 2901 return access(name, flag); 2902 #endif 2903 } 2904 2905 int app_isdir(const char *name) 2906 { 2907 return opt_isdir(name); 2908 } 2909 2910 /* raw_read|write section */ 2911 #if defined(__VMS) 2912 #include "vms_term_sock.h" 2913 static int stdin_sock = -1; 2914 2915 static void close_stdin_sock(void) 2916 { 2917 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock); 2918 } 2919 2920 int fileno_stdin(void) 2921 { 2922 if (stdin_sock == -1) { 2923 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2924 atexit(close_stdin_sock); 2925 } 2926 2927 return stdin_sock; 2928 } 2929 #else 2930 int fileno_stdin(void) 2931 { 2932 return fileno(stdin); 2933 } 2934 #endif 2935 2936 int fileno_stdout(void) 2937 { 2938 return fileno(stdout); 2939 } 2940 2941 #if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2942 int raw_read_stdin(void *buf, int siz) 2943 { 2944 DWORD n; 2945 2946 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2947 return n; 2948 else 2949 return -1; 2950 } 2951 #elif defined(__VMS) 2952 #include <sys/socket.h> 2953 2954 int raw_read_stdin(void *buf, int siz) 2955 { 2956 return recv(fileno_stdin(), buf, siz, 0); 2957 } 2958 #else 2959 int raw_read_stdin(void *buf, int siz) 2960 { 2961 return read(fileno_stdin(), buf, siz); 2962 } 2963 #endif 2964 2965 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 2966 int raw_write_stdout(const void *buf, int siz) 2967 { 2968 DWORD n; 2969 2970 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 2971 return n; 2972 else 2973 return -1; 2974 } 2975 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \ 2976 && defined(_SPT_MODEL_) 2977 int raw_write_stdout(const void *buf, int siz) 2978 { 2979 return write(fileno(stdout), (void *)buf, siz); 2980 } 2981 #else 2982 int raw_write_stdout(const void *buf, int siz) 2983 { 2984 return write(fileno_stdout(), buf, siz); 2985 } 2986 #endif 2987 2988 /* 2989 * Centralized handling of input and output files with format specification 2990 * The format is meant to show what the input and output is supposed to be, 2991 * and is therefore a show of intent more than anything else. However, it 2992 * does impact behavior on some platforms, such as differentiating between 2993 * text and binary input/output on non-Unix platforms 2994 */ 2995 BIO *dup_bio_in(int format) 2996 { 2997 return BIO_new_fp(stdin, 2998 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2999 } 3000 3001 BIO *dup_bio_out(int format) 3002 { 3003 BIO *b = BIO_new_fp(stdout, 3004 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3005 void *prefix = NULL; 3006 3007 if (b == NULL) 3008 return NULL; 3009 3010 #ifdef OPENSSL_SYS_VMS 3011 if (FMT_istext(format)) 3012 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3013 #endif 3014 3015 if (FMT_istext(format) 3016 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 3017 b = BIO_push(BIO_new(BIO_f_prefix()), b); 3018 BIO_set_prefix(b, prefix); 3019 } 3020 3021 return b; 3022 } 3023 3024 BIO *dup_bio_err(int format) 3025 { 3026 BIO *b = BIO_new_fp(stderr, 3027 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3028 3029 #ifdef OPENSSL_SYS_VMS 3030 if (b != NULL && FMT_istext(format)) 3031 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3032 #endif 3033 return b; 3034 } 3035 3036 void unbuffer(FILE *fp) 3037 { 3038 /* 3039 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 3040 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 3041 * However, we trust that the C RTL will never give us a FILE pointer 3042 * above the first 4 GB of memory, so we simply turn off the warning 3043 * temporarily. 3044 */ 3045 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3046 #pragma environment save 3047 #pragma message disable maylosedata2 3048 #endif 3049 setbuf(fp, NULL); 3050 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3051 #pragma environment restore 3052 #endif 3053 } 3054 3055 static const char *modestr(char mode, int format) 3056 { 3057 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 3058 3059 switch (mode) { 3060 case 'a': 3061 return FMT_istext(format) ? "a" : "ab"; 3062 case 'r': 3063 return FMT_istext(format) ? "r" : "rb"; 3064 case 'w': 3065 return FMT_istext(format) ? "w" : "wb"; 3066 } 3067 /* The assert above should make sure we never reach this point */ 3068 return NULL; 3069 } 3070 3071 static const char *modeverb(char mode) 3072 { 3073 switch (mode) { 3074 case 'a': 3075 return "appending"; 3076 case 'r': 3077 return "reading"; 3078 case 'w': 3079 return "writing"; 3080 } 3081 return "(doing something)"; 3082 } 3083 3084 /* 3085 * Open a file for writing, owner-read-only. 3086 */ 3087 BIO *bio_open_owner(const char *filename, int format, int private) 3088 { 3089 FILE *fp = NULL; 3090 BIO *b = NULL; 3091 int textmode, bflags; 3092 #ifndef OPENSSL_NO_POSIX_IO 3093 int fd = -1, mode; 3094 #endif 3095 3096 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3097 return bio_open_default(filename, 'w', format); 3098 3099 textmode = FMT_istext(format); 3100 #ifndef OPENSSL_NO_POSIX_IO 3101 mode = O_WRONLY; 3102 #ifdef O_CREAT 3103 mode |= O_CREAT; 3104 #endif 3105 #ifdef O_TRUNC 3106 mode |= O_TRUNC; 3107 #endif 3108 if (!textmode) { 3109 #ifdef O_BINARY 3110 mode |= O_BINARY; 3111 #elif defined(_O_BINARY) 3112 mode |= _O_BINARY; 3113 #endif 3114 } 3115 3116 #ifdef OPENSSL_SYS_VMS 3117 /* 3118 * VMS doesn't have O_BINARY, it just doesn't make sense. But, 3119 * it still needs to know that we're going binary, or fdopen() 3120 * will fail with "invalid argument"... so we tell VMS what the 3121 * context is. 3122 */ 3123 if (!textmode) 3124 fd = open(filename, mode, 0600, "ctx=bin"); 3125 else 3126 #endif 3127 fd = open(filename, mode, 0600); 3128 if (fd < 0) 3129 goto err; 3130 fp = fdopen(fd, modestr('w', format)); 3131 #else /* OPENSSL_NO_POSIX_IO */ 3132 /* Have stdio but not Posix IO, do the best we can */ 3133 fp = fopen(filename, modestr('w', format)); 3134 #endif /* OPENSSL_NO_POSIX_IO */ 3135 if (fp == NULL) 3136 goto err; 3137 bflags = BIO_CLOSE; 3138 if (textmode) 3139 bflags |= BIO_FP_TEXT; 3140 b = BIO_new_fp(fp, bflags); 3141 if (b != NULL) 3142 return b; 3143 3144 err: 3145 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3146 opt_getprog(), filename, strerror(errno)); 3147 ERR_print_errors(bio_err); 3148 /* If we have fp, then fdopen took over fd, so don't close both. */ 3149 if (fp != NULL) 3150 fclose(fp); 3151 #ifndef OPENSSL_NO_POSIX_IO 3152 else if (fd >= 0) 3153 close(fd); 3154 #endif 3155 return NULL; 3156 } 3157 3158 static BIO *bio_open_default_(const char *filename, char mode, int format, 3159 int quiet) 3160 { 3161 BIO *ret; 3162 3163 if (filename == NULL || strcmp(filename, "-") == 0) { 3164 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format); 3165 if (quiet) { 3166 ERR_clear_error(); 3167 return ret; 3168 } 3169 if (ret != NULL) 3170 return ret; 3171 BIO_printf(bio_err, 3172 "Can't open %s, %s\n", 3173 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3174 } else { 3175 ret = BIO_new_file(filename, modestr(mode, format)); 3176 if (quiet) { 3177 ERR_clear_error(); 3178 return ret; 3179 } 3180 if (ret != NULL) 3181 return ret; 3182 BIO_printf(bio_err, 3183 "Can't open \"%s\" for %s, %s\n", 3184 filename, modeverb(mode), strerror(errno)); 3185 } 3186 ERR_print_errors(bio_err); 3187 return NULL; 3188 } 3189 3190 BIO *bio_open_default(const char *filename, char mode, int format) 3191 { 3192 return bio_open_default_(filename, mode, format, 0); 3193 } 3194 3195 BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3196 { 3197 return bio_open_default_(filename, mode, format, 1); 3198 } 3199 3200 int mem_bio_to_file(BIO *in, const char *filename, int format, int private) 3201 { 3202 int rv = 0, ret = 0; 3203 BIO *out = NULL; 3204 BUF_MEM *mem_buffer = NULL; 3205 3206 rv = BIO_get_mem_ptr(in, &mem_buffer); 3207 if (rv <= 0) { 3208 BIO_puts(bio_err, "Error reading mem buffer\n"); 3209 goto end; 3210 } 3211 out = bio_open_owner(filename, format, private); 3212 if (out == NULL) 3213 goto end; 3214 rv = BIO_write(out, mem_buffer->data, mem_buffer->length); 3215 if (rv < 0 || (size_t)rv != mem_buffer->length) 3216 BIO_printf(bio_err, "Error writing to output file: '%s'\n", filename); 3217 else 3218 ret = 1; 3219 end: 3220 if (!ret) 3221 ERR_print_errors(bio_err); 3222 BIO_free_all(out); 3223 return ret; 3224 } 3225 3226 void wait_for_async(SSL *s) 3227 { 3228 /* On Windows select only works for sockets, so we simply don't wait */ 3229 #ifndef OPENSSL_SYS_WINDOWS 3230 int width = 0; 3231 fd_set asyncfds; 3232 OSSL_ASYNC_FD *fds; 3233 size_t numfds; 3234 size_t i; 3235 3236 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3237 return; 3238 if (numfds == 0) 3239 return; 3240 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3241 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3242 OPENSSL_free(fds); 3243 return; 3244 } 3245 3246 FD_ZERO(&asyncfds); 3247 for (i = 0; i < numfds; i++) { 3248 if (width <= (int)fds[i]) 3249 width = (int)fds[i] + 1; 3250 openssl_fdset((int)fds[i], &asyncfds); 3251 } 3252 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3253 OPENSSL_free(fds); 3254 #endif 3255 } 3256 3257 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3258 #if defined(OPENSSL_SYS_MSDOS) 3259 int has_stdin_waiting(void) 3260 { 3261 #if defined(OPENSSL_SYS_WINDOWS) 3262 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3263 DWORD events = 0; 3264 INPUT_RECORD inputrec; 3265 DWORD insize = 1; 3266 BOOL peeked; 3267 3268 if (inhand == INVALID_HANDLE_VALUE) { 3269 return 0; 3270 } 3271 3272 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3273 if (!peeked) { 3274 /* Probably redirected input? _kbhit() does not work in this case */ 3275 if (!feof(stdin)) { 3276 return 1; 3277 } 3278 return 0; 3279 } 3280 #endif 3281 return _kbhit(); 3282 } 3283 #endif 3284 3285 /* Corrupt a signature by modifying final byte */ 3286 void corrupt_signature(const ASN1_STRING *signature) 3287 { 3288 unsigned char *s = signature->data; 3289 3290 s[signature->length - 1] ^= 0x1; 3291 } 3292 3293 int check_cert_time_string(const char *time, const char *desc) 3294 { 3295 if (time == NULL || strcmp(time, "today") == 0 3296 || ASN1_TIME_set_string_X509(NULL, time)) 3297 return 1; 3298 BIO_printf(bio_err, 3299 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n", 3300 desc); 3301 return 0; 3302 } 3303 3304 int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3305 int days, int strict_compare_times) 3306 { 3307 if (!check_cert_time_string(startdate, "start date")) 3308 return 0; 3309 if (!check_cert_time_string(enddate, "end date")) 3310 return 0; 3311 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3312 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) { 3313 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3314 return 0; 3315 } 3316 } else { 3317 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) { 3318 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3319 return 0; 3320 } 3321 } 3322 if (enddate != NULL && strcmp(enddate, "today") == 0) { 3323 enddate = NULL; 3324 days = 0; 3325 } 3326 if (enddate == NULL) { 3327 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) { 3328 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3329 return 0; 3330 } 3331 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3332 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3333 return 0; 3334 } 3335 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) { 3336 BIO_printf(bio_err, "%s: end date before start date\n", 3337 strict_compare_times ? "Error" : "Warning"); 3338 if (strict_compare_times) 3339 return 0; 3340 } 3341 return 1; 3342 } 3343 3344 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3345 { 3346 int ret = 0; 3347 ASN1_TIME *tm = ASN1_TIME_new(); 3348 3349 if (tm == NULL) 3350 goto end; 3351 3352 if (lastupdate == NULL) { 3353 if (X509_gmtime_adj(tm, 0) == NULL) 3354 goto end; 3355 } else { 3356 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3357 goto end; 3358 } 3359 3360 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3361 goto end; 3362 3363 ret = 1; 3364 end: 3365 ASN1_TIME_free(tm); 3366 return ret; 3367 } 3368 3369 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3370 long days, long hours, long secs) 3371 { 3372 int ret = 0; 3373 ASN1_TIME *tm = ASN1_TIME_new(); 3374 3375 if (tm == NULL) 3376 goto end; 3377 3378 if (nextupdate == NULL) { 3379 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3380 goto end; 3381 } else { 3382 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3383 goto end; 3384 } 3385 3386 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3387 goto end; 3388 3389 ret = 1; 3390 end: 3391 ASN1_TIME_free(tm); 3392 return ret; 3393 } 3394 3395 void make_uppercase(char *string) 3396 { 3397 int i; 3398 3399 for (i = 0; string[i] != '\0'; i++) 3400 string[i] = toupper((unsigned char)string[i]); 3401 } 3402 3403 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3404 const OSSL_PARAM *paramdefs) 3405 { 3406 OSSL_PARAM *params = NULL; 3407 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3408 size_t params_n; 3409 char *opt = "", *stmp, *vtmp = NULL; 3410 int found = 1; 3411 3412 if (opts == NULL) 3413 return NULL; 3414 3415 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3416 if (params == NULL) 3417 return NULL; 3418 3419 for (params_n = 0; params_n < sz; params_n++) { 3420 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3421 if ((stmp = OPENSSL_strdup(opt)) == NULL 3422 || (vtmp = strchr(stmp, ':')) == NULL) 3423 goto err; 3424 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3425 *vtmp = 0; 3426 /* Skip over the separator so that vmtp points to the value */ 3427 vtmp++; 3428 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3429 stmp, vtmp, strlen(vtmp), &found)) 3430 goto err; 3431 OPENSSL_free(stmp); 3432 } 3433 params[params_n] = OSSL_PARAM_construct_end(); 3434 return params; 3435 err: 3436 OPENSSL_free(stmp); 3437 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3438 opt); 3439 ERR_print_errors(bio_err); 3440 app_params_free(params); 3441 return NULL; 3442 } 3443 3444 void app_params_free(OSSL_PARAM *params) 3445 { 3446 int i; 3447 3448 if (params != NULL) { 3449 for (i = 0; params[i].key != NULL; ++i) 3450 OPENSSL_free(params[i].data); 3451 OPENSSL_free(params); 3452 } 3453 } 3454 3455 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3456 { 3457 EVP_PKEY *res = NULL; 3458 3459 if (verbose && alg != NULL) { 3460 BIO_printf(bio_err, "Generating %s key", alg); 3461 if (bits > 0) 3462 BIO_printf(bio_err, " with %d bits\n", bits); 3463 else 3464 BIO_printf(bio_err, "\n"); 3465 } 3466 if (!RAND_status()) 3467 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3468 "if the system has a poor entropy source\n"); 3469 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3470 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(), 3471 alg != NULL ? alg : "asymmetric"); 3472 return res; 3473 } 3474 3475 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3476 { 3477 EVP_PKEY *res = NULL; 3478 3479 if (!RAND_status()) 3480 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3481 "if the system has a poor entropy source\n"); 3482 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3483 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n", 3484 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3485 return res; 3486 } 3487 3488 /* 3489 * Return non-zero if the legacy path is still an option. 3490 * This decision is based on the global command line operations and the 3491 * behaviour thus far. 3492 */ 3493 int opt_legacy_okay(void) 3494 { 3495 int provider_options = opt_provider_option_given(); 3496 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3497 3498 /* 3499 * Having a provider option specified or a custom library context or 3500 * property query, is a sure sign we're not using legacy. 3501 */ 3502 if (provider_options || libctx) 3503 return 0; 3504 return 1; 3505 } 3506