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 return 0; 196 } else if (pass2 != NULL) { 197 *pass2 = NULL; 198 } 199 return 1; 200 } 201 202 static char *app_get_pass(const char *arg, int keepbio) 203 { 204 static BIO *pwdbio = NULL; 205 char *tmp, tpass[APP_PASS_LEN]; 206 int i; 207 208 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */ 209 if (CHECK_AND_SKIP_PREFIX(arg, "pass:")) 210 return OPENSSL_strdup(arg); 211 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) { 212 tmp = getenv(arg); 213 if (tmp == NULL) { 214 BIO_printf(bio_err, "No environment variable %s\n", arg); 215 return NULL; 216 } 217 return OPENSSL_strdup(tmp); 218 } 219 if (!keepbio || pwdbio == NULL) { 220 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) { 221 pwdbio = BIO_new_file(arg, "r"); 222 if (pwdbio == NULL) { 223 BIO_printf(bio_err, "Can't open file %s\n", arg); 224 return NULL; 225 } 226 #if !defined(_WIN32) 227 /* 228 * Under _WIN32, which covers even Win64 and CE, file 229 * descriptors referenced by BIO_s_fd are not inherited 230 * by child process and therefore below is not an option. 231 * It could have been an option if bss_fd.c was operating 232 * on real Windows descriptors, such as those obtained 233 * with CreateFile. 234 */ 235 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) { 236 BIO *btmp; 237 238 i = atoi(arg); 239 if (i >= 0) 240 pwdbio = BIO_new_fd(i, BIO_NOCLOSE); 241 if ((i < 0) || pwdbio == NULL) { 242 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg); 243 return NULL; 244 } 245 /* 246 * Can't do BIO_gets on an fd BIO so add a buffering BIO 247 */ 248 btmp = BIO_new(BIO_f_buffer()); 249 if (btmp == NULL) { 250 BIO_free_all(pwdbio); 251 pwdbio = NULL; 252 BIO_printf(bio_err, "Out of memory\n"); 253 return NULL; 254 } 255 pwdbio = BIO_push(btmp, pwdbio); 256 #endif 257 } else if (strcmp(arg, "stdin") == 0) { 258 unbuffer(stdin); 259 pwdbio = dup_bio_in(FORMAT_TEXT); 260 if (pwdbio == NULL) { 261 BIO_printf(bio_err, "Can't open BIO for stdin\n"); 262 return NULL; 263 } 264 } else { 265 /* argument syntax error; do not reveal too much about arg */ 266 tmp = strchr(arg, ':'); 267 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX) 268 BIO_printf(bio_err, 269 "Invalid password argument, missing ':' within the first %d chars\n", 270 PASS_SOURCE_SIZE_MAX + 1); 271 else 272 BIO_printf(bio_err, 273 "Invalid password argument, starting with \"%.*s\"\n", 274 (int)(tmp - arg + 1), arg); 275 return NULL; 276 } 277 } 278 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN); 279 if (keepbio != 1) { 280 BIO_free_all(pwdbio); 281 pwdbio = NULL; 282 } 283 if (i <= 0) { 284 BIO_printf(bio_err, "Error reading password from BIO\n"); 285 return NULL; 286 } 287 tmp = strchr(tpass, '\n'); 288 if (tmp != NULL) 289 *tmp = 0; 290 return OPENSSL_strdup(tpass); 291 } 292 293 char *app_conf_try_string(const CONF *conf, const char *group, const char *name) 294 { 295 char *res; 296 297 ERR_set_mark(); 298 res = NCONF_get_string(conf, group, name); 299 if (res == NULL) 300 ERR_pop_to_mark(); 301 else 302 ERR_clear_last_mark(); 303 return res; 304 } 305 306 int app_conf_try_number(const CONF *conf, const char *group, const char *name, 307 long *result) 308 { 309 int ok; 310 311 ERR_set_mark(); 312 ok = NCONF_get_number(conf, group, name, result); 313 if (!ok) 314 ERR_pop_to_mark(); 315 else 316 ERR_clear_last_mark(); 317 return ok; 318 } 319 320 CONF *app_load_config_bio(BIO *in, const char *filename) 321 { 322 long errorline = -1; 323 CONF *conf; 324 int i; 325 326 conf = NCONF_new_ex(app_get0_libctx(), NULL); 327 i = NCONF_load_bio(conf, in, &errorline); 328 if (i > 0) 329 return conf; 330 331 if (errorline <= 0) { 332 BIO_printf(bio_err, "%s: Can't load ", opt_getprog()); 333 } else { 334 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(), 335 errorline); 336 } 337 if (filename != NULL) 338 BIO_printf(bio_err, "config file \"%s\"\n", filename); 339 else 340 BIO_printf(bio_err, "config input"); 341 342 NCONF_free(conf); 343 return NULL; 344 } 345 346 CONF *app_load_config_verbose(const char *filename, int verbose) 347 { 348 if (verbose) { 349 if (*filename == '\0') 350 BIO_printf(bio_err, "No configuration used\n"); 351 else 352 BIO_printf(bio_err, "Using configuration from %s\n", filename); 353 } 354 return app_load_config_internal(filename, 0); 355 } 356 357 CONF *app_load_config_internal(const char *filename, int quiet) 358 { 359 BIO *in; 360 CONF *conf; 361 362 if (filename == NULL || *filename != '\0') { 363 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL) 364 return NULL; 365 conf = app_load_config_bio(in, filename); 366 BIO_free(in); 367 } else { 368 /* Return empty config if filename is empty string. */ 369 conf = NCONF_new_ex(app_get0_libctx(), NULL); 370 } 371 return conf; 372 } 373 374 int app_load_modules(const CONF *config) 375 { 376 CONF *to_free = NULL; 377 378 if (config == NULL) 379 config = to_free = app_load_config_quiet(default_config_file); 380 if (config == NULL) 381 return 1; 382 383 if (CONF_modules_load(config, NULL, 0) <= 0) { 384 BIO_printf(bio_err, "Error configuring OpenSSL modules\n"); 385 ERR_print_errors(bio_err); 386 NCONF_free(to_free); 387 return 0; 388 } 389 NCONF_free(to_free); 390 return 1; 391 } 392 393 int add_oid_section(CONF *conf) 394 { 395 char *p; 396 STACK_OF(CONF_VALUE) *sktmp; 397 CONF_VALUE *cnf; 398 int i; 399 400 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL) 401 return 1; 402 if ((sktmp = NCONF_get_section(conf, p)) == NULL) { 403 BIO_printf(bio_err, "problem loading oid section %s\n", p); 404 return 0; 405 } 406 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 407 cnf = sk_CONF_VALUE_value(sktmp, i); 408 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 409 BIO_printf(bio_err, "problem creating object %s=%s\n", 410 cnf->name, cnf->value); 411 return 0; 412 } 413 } 414 return 1; 415 } 416 417 CONF *app_load_config_modules(const char *configfile) 418 { 419 CONF *conf = NULL; 420 421 if (configfile != NULL) { 422 if ((conf = app_load_config_verbose(configfile, 1)) == NULL) 423 return NULL; 424 if (configfile != default_config_file && !app_load_modules(conf)) { 425 NCONF_free(conf); 426 conf = NULL; 427 } 428 } 429 return conf; 430 } 431 432 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX)) 433 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX)) 434 435 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin, 436 const char *pass, const char *desc) 437 { 438 X509 *cert = NULL; 439 440 if (desc == NULL) 441 desc = "certificate"; 442 if (IS_HTTPS(uri)) { 443 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 444 } else if (IS_HTTP(uri)) { 445 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */); 446 if (cert == NULL) { 447 ERR_print_errors(bio_err); 448 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); 449 } 450 } else { 451 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, 452 NULL, NULL, NULL, &cert, NULL, NULL, NULL); 453 } 454 return cert; 455 } 456 457 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin, 458 const char *desc) 459 { 460 X509_CRL *crl = NULL; 461 462 if (desc == NULL) 463 desc = "CRL"; 464 if (IS_HTTPS(uri)) { 465 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 466 } else if (IS_HTTP(uri)) { 467 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */); 468 if (crl == NULL) { 469 ERR_print_errors(bio_err); 470 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri); 471 } 472 } else { 473 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0, 474 NULL, NULL, NULL, NULL, NULL, &crl, NULL); 475 } 476 return crl; 477 } 478 479 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */ 480 X509_REQ *load_csr(const char *file, int format, const char *desc) 481 { 482 X509_REQ *req = NULL; 483 BIO *in; 484 485 if (format == FORMAT_UNDEF) 486 format = FORMAT_PEM; 487 in = bio_open_default(file, 'r', format); 488 if (in == NULL) 489 goto end; 490 491 if (format == FORMAT_ASN1) 492 req = d2i_X509_REQ_bio(in, NULL); 493 else if (format == FORMAT_PEM) 494 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 495 else 496 print_format_error(format, OPT_FMT_PEMDER); 497 498 end: 499 if (req == NULL) { 500 ERR_print_errors(bio_err); 501 if (desc != NULL) 502 BIO_printf(bio_err, "Unable to load %s\n", desc); 503 } 504 BIO_free(in); 505 return req; 506 } 507 508 /* Better extend OSSL_STORE to support CSRs, see FR #15725 */ 509 X509_REQ *load_csr_autofmt(const char *infile, int format, 510 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc) 511 { 512 X509_REQ *csr; 513 514 if (format != FORMAT_UNDEF) { 515 csr = load_csr(infile, format, desc); 516 } else { /* try PEM, then DER */ 517 BIO *bio_bak = bio_err; 518 519 bio_err = NULL; /* do not show errors on more than one try */ 520 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */); 521 bio_err = bio_bak; 522 if (csr == NULL) { 523 ERR_clear_error(); 524 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */); 525 } 526 if (csr == NULL) { 527 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n", 528 desc, infile); 529 } 530 } 531 if (csr != NULL) { 532 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr); 533 int ret = do_X509_REQ_verify(csr, pkey, vfyopts); 534 535 if (pkey == NULL || ret < 0) 536 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n"); 537 else if (ret == 0) 538 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n"); 539 return csr; 540 } 541 return csr; 542 } 543 544 void cleanse(char *str) 545 { 546 if (str != NULL) 547 OPENSSL_cleanse(str, strlen(str)); 548 } 549 550 void clear_free(char *str) 551 { 552 if (str != NULL) 553 OPENSSL_clear_free(str, strlen(str)); 554 } 555 556 EVP_PKEY *load_key(const char *uri, int format, int may_stdin, 557 const char *pass, ENGINE *e, const char *desc) 558 { 559 EVP_PKEY *pkey = NULL; 560 char *allocated_uri = NULL; 561 562 if (desc == NULL) 563 desc = "private key"; 564 565 if (format == FORMAT_ENGINE) 566 uri = allocated_uri = make_engine_uri(e, uri, desc); 567 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0, 568 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 569 570 OPENSSL_free(allocated_uri); 571 return pkey; 572 } 573 574 /* first try reading public key, on failure resort to loading private key */ 575 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin, 576 const char *pass, ENGINE *e, const char *desc) 577 { 578 EVP_PKEY *pkey = NULL; 579 char *allocated_uri = NULL; 580 581 if (desc == NULL) 582 desc = "public key"; 583 584 if (format == FORMAT_ENGINE) 585 uri = allocated_uri = make_engine_uri(e, uri, desc); 586 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1, 587 NULL, &pkey, NULL, NULL, NULL, NULL, NULL); 588 if (pkey == NULL) 589 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0, 590 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 591 OPENSSL_free(allocated_uri); 592 return pkey; 593 } 594 595 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin, 596 const char *keytype, const char *desc, 597 int suppress_decode_errors) 598 { 599 EVP_PKEY *params = NULL; 600 601 if (desc == NULL) 602 desc = "key parameters"; 603 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 604 suppress_decode_errors, 605 NULL, NULL, ¶ms, NULL, NULL, NULL, NULL); 606 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) { 607 ERR_print_errors(bio_err); 608 BIO_printf(bio_err, 609 "Unable to load %s from %s (unexpected parameters type)\n", 610 desc, uri); 611 EVP_PKEY_free(params); 612 params = NULL; 613 } 614 return params; 615 } 616 617 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin, 618 const char *keytype, const char *desc) 619 { 620 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0); 621 } 622 623 void app_bail_out(char *fmt, ...) 624 { 625 va_list args; 626 627 va_start(args, fmt); 628 BIO_vprintf(bio_err, fmt, args); 629 va_end(args); 630 ERR_print_errors(bio_err); 631 exit(EXIT_FAILURE); 632 } 633 634 void *app_malloc(size_t sz, const char *what) 635 { 636 void *vp = OPENSSL_malloc(sz); 637 638 if (vp == NULL) 639 app_bail_out("%s: Could not allocate %zu bytes for %s\n", 640 opt_getprog(), sz, what); 641 return vp; 642 } 643 644 char *next_item(char *opt) /* in list separated by comma and/or space */ 645 { 646 /* advance to separator (comma or whitespace), if any */ 647 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0') 648 opt++; 649 if (*opt != '\0') { 650 /* terminate current item */ 651 *opt++ = '\0'; 652 /* skip over any whitespace after separator */ 653 while (isspace(_UC(*opt))) 654 opt++; 655 } 656 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */ 657 } 658 659 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg) 660 { 661 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0); 662 663 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n", 664 uri, subj, msg); 665 OPENSSL_free(subj); 666 } 667 668 static void warn_cert(const char *uri, X509 *cert, int warn_EE, 669 X509_VERIFY_PARAM *vpm) 670 { 671 uint32_t ex_flags = X509_get_extension_flags(cert); 672 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert), 673 X509_get0_notAfter(cert)); 674 675 if (res != 0) 676 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid"); 677 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0) 678 warn_cert_msg(uri, cert, "is not a CA cert"); 679 } 680 681 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE, 682 X509_VERIFY_PARAM *vpm) 683 { 684 int i; 685 686 for (i = 0; i < sk_X509_num(certs); i++) 687 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm); 688 } 689 690 int load_cert_certs(const char *uri, 691 X509 **pcert, STACK_OF(X509) **pcerts, 692 int exclude_http, const char *pass, const char *desc, 693 X509_VERIFY_PARAM *vpm) 694 { 695 int ret = 0; 696 char *pass_string; 697 698 if (desc == NULL) 699 desc = pcerts == NULL ? "certificate" : "certificates"; 700 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://") || HAS_CASE_PREFIX(uri, "https://"))) { 701 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc); 702 return ret; 703 } 704 pass_string = get_passwd(pass, desc); 705 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0, 706 NULL, NULL, NULL, pcert, pcerts, NULL, NULL); 707 clear_free(pass_string); 708 709 if (ret) { 710 if (pcert != NULL) 711 warn_cert(uri, *pcert, 0, vpm); 712 if (pcerts != NULL) 713 warn_certs(uri, *pcerts, 1, vpm); 714 } else { 715 if (pcerts != NULL) { 716 OSSL_STACK_OF_X509_free(*pcerts); 717 *pcerts = NULL; 718 } 719 } 720 return ret; 721 } 722 723 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass, 724 const char *desc, X509_VERIFY_PARAM *vpm) 725 { 726 STACK_OF(X509) *certs = NULL; 727 STACK_OF(X509) *result = sk_X509_new_null(); 728 729 if (files == NULL) 730 goto err; 731 if (result == NULL) 732 goto oom; 733 734 while (files != NULL) { 735 char *next = next_item(files); 736 737 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm)) 738 goto err; 739 if (!X509_add_certs(result, certs, 740 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP)) 741 goto oom; 742 OSSL_STACK_OF_X509_free(certs); 743 certs = NULL; 744 files = next; 745 } 746 return result; 747 748 oom: 749 BIO_printf(bio_err, "out of memory\n"); 750 err: 751 OSSL_STACK_OF_X509_free(certs); 752 OSSL_STACK_OF_X509_free(result); 753 return NULL; 754 } 755 756 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */, 757 const STACK_OF(X509) *certs /* may NULL */) 758 { 759 int i; 760 761 if (store == NULL) 762 store = X509_STORE_new(); 763 if (store == NULL) 764 return NULL; 765 for (i = 0; i < sk_X509_num(certs); i++) { 766 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) { 767 X509_STORE_free(store); 768 return NULL; 769 } 770 } 771 return store; 772 } 773 774 /* 775 * Create cert store structure with certificates read from given file(s). 776 * Returns pointer to created X509_STORE on success, NULL on error. 777 */ 778 X509_STORE *load_certstore(char *input, const char *pass, const char *desc, 779 X509_VERIFY_PARAM *vpm) 780 { 781 X509_STORE *store = NULL; 782 STACK_OF(X509) *certs = NULL; 783 784 while (input != NULL) { 785 char *next = next_item(input); 786 int ok; 787 788 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) { 789 X509_STORE_free(store); 790 return NULL; 791 } 792 ok = (store = sk_X509_to_store(store, certs)) != NULL; 793 OSSL_STACK_OF_X509_free(certs); 794 certs = NULL; 795 if (!ok) 796 return NULL; 797 input = next; 798 } 799 return store; 800 } 801 802 /* 803 * Initialize or extend, if *certs != NULL, a certificate stack. 804 * The caller is responsible for freeing *certs if its value is left not NULL. 805 */ 806 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs, 807 const char *pass, const char *desc) 808 { 809 int ret, was_NULL = *certs == NULL; 810 811 if (desc == NULL) 812 desc = "certificates"; 813 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0, 814 NULL, NULL, NULL, NULL, certs, NULL, NULL); 815 816 if (!ret && was_NULL) { 817 OSSL_STACK_OF_X509_free(*certs); 818 *certs = NULL; 819 } 820 return ret; 821 } 822 823 /* 824 * Initialize or extend, if *crls != NULL, a certificate stack. 825 * The caller is responsible for freeing *crls if its value is left not NULL. 826 */ 827 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls, 828 const char *pass, const char *desc) 829 { 830 int ret, was_NULL = *crls == NULL; 831 832 if (desc == NULL) 833 desc = "CRLs"; 834 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0, 835 NULL, NULL, NULL, NULL, NULL, NULL, crls); 836 837 if (!ret && was_NULL) { 838 sk_X509_CRL_pop_free(*crls, X509_CRL_free); 839 *crls = NULL; 840 } 841 return ret; 842 } 843 844 static const char *format2string(int format) 845 { 846 switch (format) { 847 case FORMAT_PEM: 848 return "PEM"; 849 case FORMAT_ASN1: 850 return "DER"; 851 case FORMAT_PVK: 852 return "PVK"; 853 case FORMAT_MSBLOB: 854 return "MSBLOB"; 855 } 856 return NULL; 857 } 858 859 /* Set type expectation, but set to 0 if objects of multiple types expected. */ 860 #define SET_EXPECT(val) \ 861 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0)) 862 #define SET_EXPECT1(pvar, val) \ 863 if ((pvar) != NULL) { \ 864 *(pvar) = NULL; \ 865 SET_EXPECT(val); \ 866 } 867 /* Provide (error msg) text for some of the credential types to be loaded. */ 868 #define FAIL_NAME \ 869 (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" \ 870 : pparams != NULL ? "key parameters" \ 871 : pcert != NULL ? "certificate" \ 872 : pcerts != NULL ? "certificates" \ 873 : pcrl != NULL ? "CRL" \ 874 : pcrls != NULL ? "CRLs" \ 875 : NULL) 876 /* 877 * Load those types of credentials for which the result pointer is not NULL. 878 * Reads from stdin if 'uri' is NULL and 'maybe_stdin' is nonzero. 879 * 'format' parameter may be FORMAT_PEM, FORMAT_ASN1, or 0 for no hint. 880 * desc may contain more detail on the credential(s) to be loaded for error msg 881 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded. 882 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated. 883 * If pcerts is non-NULL then all available certificates are appended to *pcerts 884 * except any certificate assigned to *pcert. 885 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated. 886 * If pcrls is non-NULL then all available CRLs are appended to *pcerts 887 * except any CRL assigned to *pcrl. 888 * In any case (also on error) the caller is responsible for freeing all members 889 * of *pcerts and *pcrls (as far as they are not NULL). 890 */ 891 int load_key_certs_crls(const char *uri, int format, int maybe_stdin, 892 const char *pass, const char *desc, int quiet, 893 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 894 EVP_PKEY **pparams, 895 X509 **pcert, STACK_OF(X509) **pcerts, 896 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) 897 { 898 PW_CB_DATA uidata; 899 OSSL_STORE_CTX *ctx = NULL; 900 OSSL_LIB_CTX *libctx = app_get0_libctx(); 901 const char *propq = app_get0_propq(); 902 int ncerts = 0, ncrls = 0, expect = -1; 903 const char *failed = FAIL_NAME; 904 const char *input_type; 905 OSSL_PARAM itp[2]; 906 const OSSL_PARAM *params = NULL; 907 908 /* 'failed' describes type of credential to load for potential error msg */ 909 if (failed == NULL) { 910 if (!quiet) 911 BIO_printf(bio_err, "Internal error: nothing was requested to load from %s\n", 912 uri != NULL ? uri : "<stdin>"); 913 return 0; 914 } 915 /* suppress any extraneous errors left over from failed parse attempts */ 916 ERR_set_mark(); 917 918 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY); 919 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY); 920 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS); 921 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT); 922 /* 923 * Up to here, the following holds. 924 * If just one of the ppkey, ppubkey, pparams, and pcert function parameters 925 * is nonzero, expect > 0 indicates which type of credential is expected. 926 * If expect == 0, more than one of them is nonzero (multiple types expected). 927 */ 928 929 if (pcerts != NULL) { 930 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) { 931 if (!quiet) 932 BIO_printf(bio_err, "Out of memory loading"); 933 goto end; 934 } 935 /* 936 * Adapt the 'expect' variable: 937 * set to OSSL_STORE_INFO_CERT if no other type is expected so far, 938 * otherwise set to 0 (indicating that multiple types are expected). 939 */ 940 SET_EXPECT(OSSL_STORE_INFO_CERT); 941 } 942 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL); 943 if (pcrls != NULL) { 944 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) { 945 if (!quiet) 946 BIO_printf(bio_err, "Out of memory loading"); 947 goto end; 948 } 949 /* 950 * Adapt the 'expect' variable: 951 * set to OSSL_STORE_INFO_CRL if no other type is expected so far, 952 * otherwise set to 0 (indicating that multiple types are expected). 953 */ 954 SET_EXPECT(OSSL_STORE_INFO_CRL); 955 } 956 957 uidata.password = pass; 958 uidata.prompt_info = uri; 959 960 if ((input_type = format2string(format)) != NULL) { 961 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE, 962 (char *)input_type, 0); 963 itp[1] = OSSL_PARAM_construct_end(); 964 params = itp; 965 } 966 967 if (uri == NULL) { 968 BIO *bio; 969 970 if (!maybe_stdin) { 971 if (!quiet) 972 BIO_printf(bio_err, "No filename or uri specified for loading\n"); 973 goto end; 974 } 975 uri = "<stdin>"; 976 unbuffer(stdin); 977 bio = BIO_new_fp(stdin, 0); 978 if (bio != NULL) { 979 ctx = OSSL_STORE_attach(bio, "file", libctx, propq, 980 get_ui_method(), &uidata, params, 981 NULL, NULL); 982 BIO_free(bio); 983 } 984 } else { 985 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata, 986 params, NULL, NULL); 987 } 988 if (ctx == NULL) { 989 if (!quiet) 990 BIO_printf(bio_err, "Could not open file or uri for loading"); 991 goto end; 992 } 993 /* expect == 0 means here multiple types of credentials are to be loaded */ 994 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) { 995 if (!quiet) 996 BIO_printf(bio_err, "Internal error trying to load"); 997 goto end; 998 } 999 1000 failed = NULL; 1001 /* from here, failed != NULL only if actually an error has been detected */ 1002 1003 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL 1004 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL) 1005 && !OSSL_STORE_eof(ctx)) { 1006 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); 1007 int type, ok = 1; 1008 1009 /* 1010 * This can happen (for example) if we attempt to load a file with 1011 * multiple different types of things in it - but the thing we just 1012 * tried to load wasn't one of the ones we wanted, e.g. if we're trying 1013 * to load a certificate but the file has both the private key and the 1014 * certificate in it. We just retry until eof. 1015 */ 1016 if (info == NULL) { 1017 continue; 1018 } 1019 1020 type = OSSL_STORE_INFO_get_type(info); 1021 switch (type) { 1022 case OSSL_STORE_INFO_PKEY: 1023 if (ppkey != NULL) { 1024 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; 1025 if (ok) 1026 ppkey = NULL; 1027 break; 1028 } 1029 /* 1030 * An EVP_PKEY with private parts also holds the public parts, 1031 * so if the caller asked for a public key, and we got a private 1032 * key, we can still pass it back. 1033 */ 1034 /* fall through */ 1035 case OSSL_STORE_INFO_PUBKEY: 1036 if (ppubkey != NULL) { 1037 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL; 1038 if (ok) 1039 ppubkey = NULL; 1040 } 1041 break; 1042 case OSSL_STORE_INFO_PARAMS: 1043 if (pparams != NULL) { 1044 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL; 1045 if (ok) 1046 pparams = NULL; 1047 } 1048 break; 1049 case OSSL_STORE_INFO_CERT: 1050 if (pcert != NULL) { 1051 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; 1052 if (ok) 1053 pcert = NULL; 1054 } else if (pcerts != NULL) { 1055 ok = X509_add_cert(*pcerts, 1056 OSSL_STORE_INFO_get1_CERT(info), 1057 X509_ADD_FLAG_DEFAULT); 1058 } 1059 ncerts += ok; 1060 break; 1061 case OSSL_STORE_INFO_CRL: 1062 if (pcrl != NULL) { 1063 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1064 if (ok) 1065 pcrl = NULL; 1066 } else if (pcrls != NULL) { 1067 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); 1068 } 1069 ncrls += ok; 1070 break; 1071 default: 1072 /* skip any other type; ok stays == 1 */ 1073 break; 1074 } 1075 OSSL_STORE_INFO_free(info); 1076 if (!ok) { 1077 failed = OSSL_STORE_INFO_type_string(type); 1078 if (!quiet) 1079 BIO_printf(bio_err, "Error reading"); 1080 break; 1081 } 1082 } 1083 1084 end: 1085 OSSL_STORE_close(ctx); 1086 1087 /* see if any of the requested types of credentials was not found */ 1088 if (failed == NULL) { 1089 if (ncerts > 0) 1090 pcerts = NULL; 1091 if (ncrls > 0) 1092 pcrls = NULL; 1093 failed = FAIL_NAME; 1094 if (failed != NULL && !quiet) 1095 BIO_printf(bio_err, "Could not find"); 1096 } 1097 1098 if (failed != NULL && !quiet) { 1099 unsigned long err = ERR_peek_last_error(); 1100 1101 /* continue the error message with the type of credential affected */ 1102 if (desc != NULL && strstr(desc, failed) != NULL) { 1103 BIO_printf(bio_err, " %s", desc); 1104 } else { 1105 BIO_printf(bio_err, " %s", failed); 1106 if (desc != NULL) 1107 BIO_printf(bio_err, " of %s", desc); 1108 } 1109 if (uri != NULL) 1110 BIO_printf(bio_err, " from %s", uri); 1111 if (ERR_SYSTEM_ERROR(err)) { 1112 /* provide more readable diagnostic output */ 1113 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err))); 1114 ERR_pop_to_mark(); 1115 ERR_set_mark(); 1116 } 1117 BIO_printf(bio_err, "\n"); 1118 ERR_print_errors(bio_err); 1119 } 1120 if (quiet || failed == NULL) 1121 /* clear any suppressed or spurious errors */ 1122 ERR_pop_to_mark(); 1123 else 1124 ERR_clear_last_mark(); 1125 return failed == NULL; 1126 } 1127 1128 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1129 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */ 1130 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */ 1131 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */ 1132 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */ 1133 1134 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1135 1136 int set_cert_ex(unsigned long *flags, const char *arg) 1137 { 1138 static const NAME_EX_TBL cert_tbl[] = { 1139 { "compatible", X509_FLAG_COMPAT, 0xffffffffl }, 1140 { "ca_default", X509_FLAG_CA, 0xffffffffl }, 1141 { "no_header", X509_FLAG_NO_HEADER, 0 }, 1142 { "no_version", X509_FLAG_NO_VERSION, 0 }, 1143 { "no_serial", X509_FLAG_NO_SERIAL, 0 }, 1144 { "no_signame", X509_FLAG_NO_SIGNAME, 0 }, 1145 { "no_validity", X509_FLAG_NO_VALIDITY, 0 }, 1146 { "no_subject", X509_FLAG_NO_SUBJECT, 0 }, 1147 { "no_issuer", X509_FLAG_NO_ISSUER, 0 }, 1148 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0 }, 1149 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0 }, 1150 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0 }, 1151 { "no_aux", X509_FLAG_NO_AUX, 0 }, 1152 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0 }, 1153 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK }, 1154 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1155 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1156 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK }, 1157 { NULL, 0, 0 } 1158 }; 1159 return set_multi_opts(flags, arg, cert_tbl); 1160 } 1161 1162 int set_name_ex(unsigned long *flags, const char *arg) 1163 { 1164 static const NAME_EX_TBL ex_tbl[] = { 1165 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0 }, 1166 { "esc_2254", ASN1_STRFLGS_ESC_2254, 0 }, 1167 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0 }, 1168 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0 }, 1169 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0 }, 1170 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0 }, 1171 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0 }, 1172 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0 }, 1173 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0 }, 1174 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0 }, 1175 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0 }, 1176 { "compat", XN_FLAG_COMPAT, 0xffffffffL }, 1177 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK }, 1178 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK }, 1179 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK }, 1180 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK }, 1181 { "dn_rev", XN_FLAG_DN_REV, 0 }, 1182 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK }, 1183 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK }, 1184 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK }, 1185 { "align", XN_FLAG_FN_ALIGN, 0 }, 1186 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK }, 1187 { "space_eq", XN_FLAG_SPC_EQ, 0 }, 1188 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0 }, 1189 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL }, 1190 { "oneline", XN_FLAG_ONELINE, 0xffffffffL }, 1191 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL }, 1192 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL }, 1193 { NULL, 0, 0 } 1194 }; 1195 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1196 return 0; 1197 if (*flags != XN_FLAG_COMPAT 1198 && (*flags & XN_FLAG_SEP_MASK) == 0) 1199 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1200 return 1; 1201 } 1202 1203 int set_dateopt(unsigned long *dateopt, const char *arg) 1204 { 1205 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1206 *dateopt = ASN1_DTFLGS_RFC822; 1207 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1208 *dateopt = ASN1_DTFLGS_ISO8601; 1209 else 1210 return 0; 1211 return 1; 1212 } 1213 1214 int set_ext_copy(int *copy_type, const char *arg) 1215 { 1216 if (OPENSSL_strcasecmp(arg, "none") == 0) 1217 *copy_type = EXT_COPY_NONE; 1218 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1219 *copy_type = EXT_COPY_ADD; 1220 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1221 *copy_type = EXT_COPY_ALL; 1222 else 1223 return 0; 1224 return 1; 1225 } 1226 1227 int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1228 { 1229 STACK_OF(X509_EXTENSION) *exts; 1230 int i, ret = 0; 1231 1232 if (x == NULL || req == NULL) 1233 return 0; 1234 if (copy_type == EXT_COPY_NONE) 1235 return 1; 1236 exts = X509_REQ_get_extensions(req); 1237 1238 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1239 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1240 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1241 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1242 1243 /* Does extension exist in target? */ 1244 if (idx != -1) { 1245 /* If normal copy don't override existing extension */ 1246 if (copy_type == EXT_COPY_ADD) 1247 continue; 1248 /* Delete all extensions of same type */ 1249 do { 1250 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1251 idx = X509_get_ext_by_OBJ(x, obj, -1); 1252 } while (idx != -1); 1253 } 1254 if (!X509_add_ext(x, ext, -1)) 1255 goto end; 1256 } 1257 ret = 1; 1258 1259 end: 1260 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1261 return ret; 1262 } 1263 1264 static int set_multi_opts(unsigned long *flags, const char *arg, 1265 const NAME_EX_TBL *in_tbl) 1266 { 1267 STACK_OF(CONF_VALUE) *vals; 1268 CONF_VALUE *val; 1269 int i, ret = 1; 1270 1271 if (!arg) 1272 return 0; 1273 vals = X509V3_parse_list(arg); 1274 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1275 val = sk_CONF_VALUE_value(vals, i); 1276 if (!set_table_opts(flags, val->name, in_tbl)) 1277 ret = 0; 1278 } 1279 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1280 return ret; 1281 } 1282 1283 static int set_table_opts(unsigned long *flags, const char *arg, 1284 const NAME_EX_TBL *in_tbl) 1285 { 1286 char c; 1287 const NAME_EX_TBL *ptbl; 1288 1289 c = arg[0]; 1290 if (c == '-') { 1291 c = 0; 1292 arg++; 1293 } else if (c == '+') { 1294 c = 1; 1295 arg++; 1296 } else { 1297 c = 1; 1298 } 1299 1300 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1301 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1302 *flags &= ~ptbl->mask; 1303 if (c) 1304 *flags |= ptbl->flag; 1305 else 1306 *flags &= ~ptbl->flag; 1307 return 1; 1308 } 1309 } 1310 return 0; 1311 } 1312 1313 void print_name(BIO *out, const char *title, const X509_NAME *nm) 1314 { 1315 char *buf; 1316 char mline = 0; 1317 int indent = 0; 1318 unsigned long lflags = get_nameopt(); 1319 1320 if (out == NULL) 1321 return; 1322 if (title != NULL) 1323 BIO_puts(out, title); 1324 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1325 mline = 1; 1326 indent = 4; 1327 } 1328 if (lflags == XN_FLAG_COMPAT) { 1329 buf = X509_NAME_oneline(nm, 0, 0); 1330 BIO_puts(out, buf); 1331 BIO_puts(out, "\n"); 1332 OPENSSL_free(buf); 1333 } else { 1334 if (mline) 1335 BIO_puts(out, "\n"); 1336 X509_NAME_print_ex(out, nm, indent, lflags); 1337 BIO_puts(out, "\n"); 1338 } 1339 } 1340 1341 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1342 int len, unsigned char *buffer) 1343 { 1344 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1345 if (BN_is_zero(in)) { 1346 BIO_printf(out, "\n 0x00"); 1347 } else { 1348 int i, l; 1349 1350 l = BN_bn2bin(in, buffer); 1351 for (i = 0; i < l; i++) { 1352 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1353 if (i < l - 1) 1354 BIO_printf(out, "0x%02X,", buffer[i]); 1355 else 1356 BIO_printf(out, "0x%02X", buffer[i]); 1357 } 1358 } 1359 BIO_printf(out, "\n };\n"); 1360 } 1361 1362 void print_array(BIO *out, const char *title, int len, const unsigned char *d) 1363 { 1364 int i; 1365 1366 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1367 for (i = 0; i < len; i++) { 1368 if ((i % 10) == 0) 1369 BIO_printf(out, "\n "); 1370 if (i < len - 1) 1371 BIO_printf(out, "0x%02X, ", d[i]); 1372 else 1373 BIO_printf(out, "0x%02X", d[i]); 1374 } 1375 BIO_printf(out, "\n};\n"); 1376 } 1377 1378 X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1379 const char *CApath, int noCApath, 1380 const char *CAstore, int noCAstore) 1381 { 1382 X509_STORE *store = X509_STORE_new(); 1383 X509_LOOKUP *lookup; 1384 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1385 const char *propq = app_get0_propq(); 1386 1387 if (store == NULL) 1388 goto end; 1389 1390 if (CAfile != NULL || !noCAfile) { 1391 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1392 if (lookup == NULL) 1393 goto end; 1394 if (CAfile != NULL) { 1395 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1396 libctx, propq) 1397 <= 0) { 1398 ERR_clear_error(); 1399 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1, 1400 libctx, propq) 1401 <= 0) { 1402 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1403 goto end; 1404 } 1405 } 1406 } else { 1407 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1408 libctx, propq); 1409 } 1410 } 1411 1412 if (CApath != NULL || !noCApath) { 1413 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1414 if (lookup == NULL) 1415 goto end; 1416 if (CApath != NULL) { 1417 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1418 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1419 goto end; 1420 } 1421 } else { 1422 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1423 } 1424 } 1425 1426 if (CAstore != NULL || !noCAstore) { 1427 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1428 if (lookup == NULL) 1429 goto end; 1430 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1431 if (CAstore != NULL) 1432 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1433 goto end; 1434 } 1435 } 1436 1437 ERR_clear_error(); 1438 return store; 1439 end: 1440 ERR_print_errors(bio_err); 1441 X509_STORE_free(store); 1442 return NULL; 1443 } 1444 1445 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1446 { 1447 const char *n; 1448 1449 n = a[DB_serial]; 1450 while (*n == '0') 1451 n++; 1452 return OPENSSL_LH_strhash(n); 1453 } 1454 1455 static int index_serial_cmp(const OPENSSL_CSTRING *a, 1456 const OPENSSL_CSTRING *b) 1457 { 1458 const char *aa, *bb; 1459 1460 for (aa = a[DB_serial]; *aa == '0'; aa++) 1461 ; 1462 for (bb = b[DB_serial]; *bb == '0'; bb++) 1463 ; 1464 return strcmp(aa, bb); 1465 } 1466 1467 static int index_name_qual(char **a) 1468 { 1469 return (a[0][0] == 'V'); 1470 } 1471 1472 static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1473 { 1474 return OPENSSL_LH_strhash(a[DB_name]); 1475 } 1476 1477 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1478 { 1479 return strcmp(a[DB_name], b[DB_name]); 1480 } 1481 1482 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1483 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1484 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1485 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1486 #undef BSIZE 1487 #define BSIZE 256 1488 BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1489 ASN1_INTEGER **retai) 1490 { 1491 BIO *in = NULL; 1492 BIGNUM *ret = NULL; 1493 char buf[1024]; 1494 ASN1_INTEGER *ai = NULL; 1495 1496 ai = ASN1_INTEGER_new(); 1497 if (ai == NULL) 1498 goto err; 1499 1500 in = BIO_new_file(serialfile, "r"); 1501 if (exists != NULL) 1502 *exists = in != NULL; 1503 if (in == NULL) { 1504 if (!create) { 1505 perror(serialfile); 1506 goto err; 1507 } 1508 ERR_clear_error(); 1509 ret = BN_new(); 1510 if (ret == NULL) { 1511 BIO_printf(bio_err, "Out of memory\n"); 1512 } else if (!rand_serial(ret, ai)) { 1513 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1514 serialfile); 1515 BN_free(ret); 1516 ret = NULL; 1517 } 1518 } else { 1519 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1520 BIO_printf(bio_err, "Unable to load number from %s\n", 1521 serialfile); 1522 goto err; 1523 } 1524 ret = ASN1_INTEGER_to_BN(ai, NULL); 1525 if (ret == NULL) { 1526 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1527 goto err; 1528 } 1529 } 1530 1531 if (ret != NULL && retai != NULL) { 1532 *retai = ai; 1533 ai = NULL; 1534 } 1535 err: 1536 if (ret == NULL) 1537 ERR_print_errors(bio_err); 1538 BIO_free(in); 1539 ASN1_INTEGER_free(ai); 1540 return ret; 1541 } 1542 1543 int save_serial(const char *serialfile, const char *suffix, 1544 const BIGNUM *serial, ASN1_INTEGER **retai) 1545 { 1546 char buf[1][BSIZE]; 1547 BIO *out = NULL; 1548 int ret = 0; 1549 ASN1_INTEGER *ai = NULL; 1550 int j; 1551 1552 if (suffix == NULL) 1553 j = strlen(serialfile); 1554 else 1555 j = strlen(serialfile) + strlen(suffix) + 1; 1556 if (j >= BSIZE) { 1557 BIO_printf(bio_err, "File name too long\n"); 1558 goto err; 1559 } 1560 1561 if (suffix == NULL) { 1562 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1563 } else { 1564 #ifndef OPENSSL_SYS_VMS 1565 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1566 #else 1567 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1568 #endif 1569 } 1570 out = BIO_new_file(buf[0], "w"); 1571 if (out == NULL) { 1572 goto err; 1573 } 1574 1575 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1576 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1577 goto err; 1578 } 1579 i2a_ASN1_INTEGER(out, ai); 1580 BIO_puts(out, "\n"); 1581 ret = 1; 1582 if (retai) { 1583 *retai = ai; 1584 ai = NULL; 1585 } 1586 err: 1587 if (!ret) 1588 ERR_print_errors(bio_err); 1589 BIO_free_all(out); 1590 ASN1_INTEGER_free(ai); 1591 return ret; 1592 } 1593 1594 int rotate_serial(const char *serialfile, const char *new_suffix, 1595 const char *old_suffix) 1596 { 1597 char buf[2][BSIZE]; 1598 int i, j; 1599 1600 i = strlen(serialfile) + strlen(old_suffix); 1601 j = strlen(serialfile) + strlen(new_suffix); 1602 if (i > j) 1603 j = i; 1604 if (j + 1 >= BSIZE) { 1605 BIO_printf(bio_err, "File name too long\n"); 1606 goto err; 1607 } 1608 #ifndef OPENSSL_SYS_VMS 1609 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1610 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1611 #else 1612 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1613 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1614 #endif 1615 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1616 #ifdef ENOTDIR 1617 && errno != ENOTDIR 1618 #endif 1619 ) { 1620 BIO_printf(bio_err, 1621 "Unable to rename %s to %s\n", serialfile, buf[1]); 1622 perror("reason"); 1623 goto err; 1624 } 1625 if (rename(buf[0], serialfile) < 0) { 1626 BIO_printf(bio_err, 1627 "Unable to rename %s to %s\n", buf[0], serialfile); 1628 perror("reason"); 1629 rename(buf[1], serialfile); 1630 goto err; 1631 } 1632 return 1; 1633 err: 1634 ERR_print_errors(bio_err); 1635 return 0; 1636 } 1637 1638 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1639 { 1640 BIGNUM *btmp; 1641 int ret = 0; 1642 1643 btmp = b == NULL ? BN_new() : b; 1644 if (btmp == NULL) 1645 return 0; 1646 1647 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1648 goto error; 1649 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1650 goto error; 1651 1652 ret = 1; 1653 1654 error: 1655 1656 if (btmp != b) 1657 BN_free(btmp); 1658 1659 return ret; 1660 } 1661 1662 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1663 { 1664 CA_DB *retdb = NULL; 1665 TXT_DB *tmpdb = NULL; 1666 BIO *in; 1667 CONF *dbattr_conf = NULL; 1668 char buf[BSIZE]; 1669 #ifndef OPENSSL_NO_POSIX_IO 1670 FILE *dbfp; 1671 struct stat dbst; 1672 #endif 1673 1674 in = BIO_new_file(dbfile, "r"); 1675 if (in == NULL) 1676 goto err; 1677 1678 #ifndef OPENSSL_NO_POSIX_IO 1679 BIO_get_fp(in, &dbfp); 1680 if (fstat(fileno(dbfp), &dbst) == -1) { 1681 ERR_raise_data(ERR_LIB_SYS, errno, 1682 "calling fstat(%s)", dbfile); 1683 goto err; 1684 } 1685 #endif 1686 1687 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1688 goto err; 1689 1690 #ifndef OPENSSL_SYS_VMS 1691 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1692 #else 1693 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1694 #endif 1695 dbattr_conf = app_load_config_quiet(buf); 1696 1697 retdb = app_malloc(sizeof(*retdb), "new DB"); 1698 retdb->db = tmpdb; 1699 tmpdb = NULL; 1700 if (db_attr) 1701 retdb->attributes = *db_attr; 1702 else 1703 retdb->attributes.unique_subject = 1; 1704 1705 if (dbattr_conf != NULL) { 1706 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject"); 1707 1708 if (p != NULL) 1709 retdb->attributes.unique_subject = parse_yesno(p, 1); 1710 } 1711 1712 retdb->dbfname = OPENSSL_strdup(dbfile); 1713 if (retdb->dbfname == NULL) 1714 goto err; 1715 1716 #ifndef OPENSSL_NO_POSIX_IO 1717 retdb->dbst = dbst; 1718 #endif 1719 1720 err: 1721 ERR_print_errors(bio_err); 1722 NCONF_free(dbattr_conf); 1723 TXT_DB_free(tmpdb); 1724 BIO_free_all(in); 1725 return retdb; 1726 } 1727 1728 /* 1729 * Returns > 0 on success, <= 0 on error 1730 */ 1731 int index_index(CA_DB *db) 1732 { 1733 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1734 LHASH_HASH_FN(index_serial), 1735 LHASH_COMP_FN(index_serial))) { 1736 BIO_printf(bio_err, 1737 "Error creating serial number index:(%ld,%ld,%ld)\n", 1738 db->db->error, db->db->arg1, db->db->arg2); 1739 goto err; 1740 } 1741 1742 if (db->attributes.unique_subject 1743 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1744 LHASH_HASH_FN(index_name), 1745 LHASH_COMP_FN(index_name))) { 1746 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1747 db->db->error, db->db->arg1, db->db->arg2); 1748 goto err; 1749 } 1750 return 1; 1751 err: 1752 ERR_print_errors(bio_err); 1753 return 0; 1754 } 1755 1756 int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1757 { 1758 char buf[3][BSIZE]; 1759 BIO *out; 1760 int j; 1761 1762 j = strlen(dbfile) + strlen(suffix); 1763 if (j + 6 >= BSIZE) { 1764 BIO_printf(bio_err, "File name too long\n"); 1765 goto err; 1766 } 1767 #ifndef OPENSSL_SYS_VMS 1768 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile); 1769 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix); 1770 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix); 1771 #else 1772 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1773 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1774 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1775 #endif 1776 out = BIO_new_file(buf[0], "w"); 1777 if (out == NULL) { 1778 perror(dbfile); 1779 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1780 goto err; 1781 } 1782 j = TXT_DB_write(out, db->db); 1783 BIO_free(out); 1784 if (j <= 0) 1785 goto err; 1786 1787 out = BIO_new_file(buf[1], "w"); 1788 if (out == NULL) { 1789 perror(buf[2]); 1790 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1791 goto err; 1792 } 1793 BIO_printf(out, "unique_subject = %s\n", 1794 db->attributes.unique_subject ? "yes" : "no"); 1795 BIO_free(out); 1796 1797 return 1; 1798 err: 1799 ERR_print_errors(bio_err); 1800 return 0; 1801 } 1802 1803 int rotate_index(const char *dbfile, const char *new_suffix, 1804 const char *old_suffix) 1805 { 1806 char buf[5][BSIZE]; 1807 int i, j; 1808 1809 i = strlen(dbfile) + strlen(old_suffix); 1810 j = strlen(dbfile) + strlen(new_suffix); 1811 if (i > j) 1812 j = i; 1813 if (j + 6 >= BSIZE) { 1814 BIO_printf(bio_err, "File name too long\n"); 1815 goto err; 1816 } 1817 #ifndef OPENSSL_SYS_VMS 1818 BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1819 BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1820 BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1821 BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1822 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1823 #else 1824 BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1825 BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1826 BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1827 BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1828 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1829 #endif 1830 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1831 #ifdef ENOTDIR 1832 && errno != ENOTDIR 1833 #endif 1834 ) { 1835 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1836 perror("reason"); 1837 goto err; 1838 } 1839 if (rename(buf[0], dbfile) < 0) { 1840 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1841 perror("reason"); 1842 rename(buf[1], dbfile); 1843 goto err; 1844 } 1845 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1846 #ifdef ENOTDIR 1847 && errno != ENOTDIR 1848 #endif 1849 ) { 1850 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1851 perror("reason"); 1852 rename(dbfile, buf[0]); 1853 rename(buf[1], dbfile); 1854 goto err; 1855 } 1856 if (rename(buf[2], buf[4]) < 0) { 1857 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1858 perror("reason"); 1859 rename(buf[3], buf[4]); 1860 rename(dbfile, buf[0]); 1861 rename(buf[1], dbfile); 1862 goto err; 1863 } 1864 return 1; 1865 err: 1866 ERR_print_errors(bio_err); 1867 return 0; 1868 } 1869 1870 void free_index(CA_DB *db) 1871 { 1872 if (db) { 1873 TXT_DB_free(db->db); 1874 OPENSSL_free(db->dbfname); 1875 OPENSSL_free(db); 1876 } 1877 } 1878 1879 int parse_yesno(const char *str, int def) 1880 { 1881 if (str) { 1882 switch (*str) { 1883 case 'f': /* false */ 1884 case 'F': /* FALSE */ 1885 case 'n': /* no */ 1886 case 'N': /* NO */ 1887 case '0': /* 0 */ 1888 return 0; 1889 case 't': /* true */ 1890 case 'T': /* TRUE */ 1891 case 'y': /* yes */ 1892 case 'Y': /* YES */ 1893 case '1': /* 1 */ 1894 return 1; 1895 } 1896 } 1897 return def; 1898 } 1899 1900 /* 1901 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1902 * where + can be used instead of / to form multi-valued RDNs if canmulti 1903 * and characters may be escaped by \ 1904 */ 1905 X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1906 const char *desc) 1907 { 1908 int nextismulti = 0; 1909 char *work; 1910 X509_NAME *n; 1911 1912 if (*cp++ != '/') { 1913 BIO_printf(bio_err, 1914 "%s: %s name is expected to be in the format " 1915 "/type0=value0/type1=value1/type2=... where characters may " 1916 "be escaped by \\. This name is not in that format: '%s'\n", 1917 opt_getprog(), desc, --cp); 1918 return NULL; 1919 } 1920 1921 n = X509_NAME_new(); 1922 if (n == NULL) { 1923 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1924 return NULL; 1925 } 1926 work = OPENSSL_strdup(cp); 1927 if (work == NULL) { 1928 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1929 opt_getprog(), desc); 1930 goto err; 1931 } 1932 1933 while (*cp != '\0') { 1934 char *bp = work; 1935 char *typestr = bp; 1936 unsigned char *valstr; 1937 int nid; 1938 int ismulti = nextismulti; 1939 1940 nextismulti = 0; 1941 1942 /* Collect the type */ 1943 while (*cp != '\0' && *cp != '=') 1944 *bp++ = *cp++; 1945 *bp++ = '\0'; 1946 if (*cp == '\0') { 1947 BIO_printf(bio_err, 1948 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1949 opt_getprog(), typestr, desc); 1950 goto err; 1951 } 1952 ++cp; 1953 1954 /* Collect the value. */ 1955 valstr = (unsigned char *)bp; 1956 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 1957 /* unescaped '+' symbol string signals further member of multiRDN */ 1958 if (canmulti && *cp == '+') { 1959 nextismulti = 1; 1960 break; 1961 } 1962 if (*cp == '\\' && *++cp == '\0') { 1963 BIO_printf(bio_err, 1964 "%s: Escape character at end of %s name string\n", 1965 opt_getprog(), desc); 1966 goto err; 1967 } 1968 } 1969 *bp++ = '\0'; 1970 1971 /* If not at EOS (must be + or /), move forward. */ 1972 if (*cp != '\0') 1973 ++cp; 1974 1975 /* Parse */ 1976 nid = OBJ_txt2nid(typestr); 1977 if (nid == NID_undef) { 1978 BIO_printf(bio_err, 1979 "%s warning: Skipping unknown %s name attribute \"%s\"\n", 1980 opt_getprog(), desc, typestr); 1981 if (ismulti) 1982 BIO_printf(bio_err, 1983 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", 1984 opt_getprog()); 1985 continue; 1986 } 1987 if (*valstr == '\0') { 1988 BIO_printf(bio_err, 1989 "%s warning: No value provided for %s name attribute \"%s\", skipped\n", 1990 opt_getprog(), desc, typestr); 1991 continue; 1992 } 1993 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1994 valstr, strlen((char *)valstr), 1995 -1, ismulti ? -1 : 0)) { 1996 ERR_print_errors(bio_err); 1997 BIO_printf(bio_err, 1998 "%s: Error adding %s name attribute \"/%s=%s\"\n", 1999 opt_getprog(), desc, typestr, valstr); 2000 goto err; 2001 } 2002 } 2003 2004 OPENSSL_free(work); 2005 return n; 2006 2007 err: 2008 X509_NAME_free(n); 2009 OPENSSL_free(work); 2010 return NULL; 2011 } 2012 2013 /* 2014 * Read whole contents of a BIO into an allocated memory buffer. 2015 * The return value is one on success, zero on error. 2016 * If `maxlen` is non-zero, at most `maxlen` bytes are returned, or else, if 2017 * the input is longer than `maxlen`, an error is returned. 2018 * If `maxlen` is zero, the limit is effectively `SIZE_MAX`. 2019 */ 2020 int bio_to_mem(unsigned char **out, size_t *outlen, size_t maxlen, BIO *in) 2021 { 2022 unsigned char tbuf[4096]; 2023 BIO *mem; 2024 BUF_MEM *bufm; 2025 size_t sz = 0; 2026 int len; 2027 2028 mem = BIO_new(BIO_s_mem()); 2029 if (mem == NULL) 2030 return 0; 2031 for (;;) { 2032 if ((len = BIO_read(in, tbuf, 4096)) == 0) 2033 break; 2034 if (len < 0 2035 || BIO_write(mem, tbuf, len) != len 2036 || sz > SIZE_MAX - len 2037 || ((sz += len) > maxlen && maxlen != 0)) { 2038 BIO_free(mem); 2039 return 0; 2040 } 2041 } 2042 2043 /* So BIO_free orphans BUF_MEM */ 2044 (void)BIO_set_close(mem, BIO_NOCLOSE); 2045 BIO_get_mem_ptr(mem, &bufm); 2046 BIO_free(mem); 2047 *out = (unsigned char *)bufm->data; 2048 *outlen = bufm->length; 2049 /* Tell BUF_MEM to orphan data */ 2050 bufm->data = NULL; 2051 BUF_MEM_free(bufm); 2052 return 1; 2053 } 2054 2055 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2056 { 2057 int rv = 0; 2058 char *stmp, *vtmp = NULL; 2059 2060 stmp = OPENSSL_strdup(value); 2061 if (stmp == NULL) 2062 return -1; 2063 vtmp = strchr(stmp, ':'); 2064 if (vtmp == NULL) 2065 goto err; 2066 2067 *vtmp = 0; 2068 vtmp++; 2069 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2070 2071 err: 2072 OPENSSL_free(stmp); 2073 return rv; 2074 } 2075 2076 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2077 { 2078 X509_POLICY_NODE *node; 2079 int i; 2080 2081 BIO_printf(bio_err, "%s Policies:", name); 2082 if (nodes) { 2083 BIO_puts(bio_err, "\n"); 2084 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2085 node = sk_X509_POLICY_NODE_value(nodes, i); 2086 X509_POLICY_NODE_print(bio_err, node, 2); 2087 } 2088 } else { 2089 BIO_puts(bio_err, " <empty>\n"); 2090 } 2091 } 2092 2093 void policies_print(X509_STORE_CTX *ctx) 2094 { 2095 X509_POLICY_TREE *tree; 2096 int explicit_policy; 2097 2098 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2099 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2100 2101 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2102 explicit_policy ? "True" : "False"); 2103 2104 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2105 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2106 } 2107 2108 /*- 2109 * next_protos_parse parses a comma separated list of strings into a string 2110 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2111 * outlen: (output) set to the length of the resulting buffer on success. 2112 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2113 * in: a NUL terminated string like "abc,def,ghi" 2114 * 2115 * returns: a malloc'd buffer or NULL on failure. 2116 */ 2117 unsigned char *next_protos_parse(size_t *outlen, const char *in) 2118 { 2119 size_t len; 2120 unsigned char *out; 2121 size_t i, start = 0; 2122 size_t skipped = 0; 2123 2124 len = strlen(in); 2125 if (len == 0 || len >= 65535) 2126 return NULL; 2127 2128 out = app_malloc(len + 1, "NPN buffer"); 2129 for (i = 0; i <= len; ++i) { 2130 if (i == len || in[i] == ',') { 2131 /* 2132 * Zero-length ALPN elements are invalid on the wire, we could be 2133 * strict and reject the entire string, but just ignoring extra 2134 * commas seems harmless and more friendly. 2135 * 2136 * Every comma we skip in this way puts the input buffer another 2137 * byte ahead of the output buffer, so all stores into the output 2138 * buffer need to be decremented by the number commas skipped. 2139 */ 2140 if (i == start) { 2141 ++start; 2142 ++skipped; 2143 continue; 2144 } 2145 if (i - start > 255) { 2146 OPENSSL_free(out); 2147 return NULL; 2148 } 2149 out[start - skipped] = (unsigned char)(i - start); 2150 start = i + 1; 2151 } else { 2152 out[i + 1 - skipped] = in[i]; 2153 } 2154 } 2155 2156 if (len <= skipped) { 2157 OPENSSL_free(out); 2158 return NULL; 2159 } 2160 2161 *outlen = len + 1 - skipped; 2162 return out; 2163 } 2164 2165 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost, 2166 const char *checkemail, const char *checkip, 2167 int print) 2168 { 2169 int valid_host = 0; 2170 int valid_mail = 0; 2171 int valid_ip = 0; 2172 int ret = 1; 2173 2174 if (x == NULL) 2175 return 0; 2176 2177 if (checkhost != NULL) { 2178 valid_host = X509_check_host(x, checkhost, 0, 0, NULL); 2179 if (print) 2180 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2181 checkhost, valid_host == 1 ? "" : " NOT"); 2182 ret = ret && valid_host > 0; 2183 } 2184 2185 if (checkemail != NULL) { 2186 valid_mail = X509_check_email(x, checkemail, 0, 0); 2187 if (print) 2188 BIO_printf(bio, "Email %s does%s match certificate\n", 2189 checkemail, valid_mail ? "" : " NOT"); 2190 ret = ret && valid_mail > 0; 2191 } 2192 2193 if (checkip != NULL) { 2194 valid_ip = X509_check_ip_asc(x, checkip, 0); 2195 if (print) 2196 BIO_printf(bio, "IP %s does%s match certificate\n", 2197 checkip, valid_ip ? "" : " NOT"); 2198 ret = ret && valid_ip > 0; 2199 } 2200 2201 return ret; 2202 } 2203 2204 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2205 { 2206 int i; 2207 2208 if (opts == NULL) 2209 return 1; 2210 2211 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2212 char *opt = sk_OPENSSL_STRING_value(opts, i); 2213 2214 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2215 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2216 ERR_print_errors(bio_err); 2217 return 0; 2218 } 2219 } 2220 2221 return 1; 2222 } 2223 2224 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2225 { 2226 int i; 2227 2228 if (opts == NULL) 2229 return 1; 2230 2231 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2232 char *opt = sk_OPENSSL_STRING_value(opts, i); 2233 2234 if (x509_ctrl_string(x, opt) <= 0) { 2235 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2236 ERR_print_errors(bio_err); 2237 return 0; 2238 } 2239 } 2240 2241 return 1; 2242 } 2243 2244 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2245 { 2246 int i; 2247 2248 if (opts == NULL) 2249 return 1; 2250 2251 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2252 char *opt = sk_OPENSSL_STRING_value(opts, i); 2253 2254 if (x509_req_ctrl_string(x, opt) <= 0) { 2255 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2256 ERR_print_errors(bio_err); 2257 return 0; 2258 } 2259 } 2260 2261 return 1; 2262 } 2263 2264 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2265 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2266 { 2267 EVP_PKEY_CTX *pkctx = NULL; 2268 char def_md[80]; 2269 2270 if (ctx == NULL) 2271 return 0; 2272 /* 2273 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2274 * for this algorithm. 2275 */ 2276 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2277 && strcmp(def_md, "UNDEF") == 0) { 2278 /* The signing algorithm requires there to be no digest */ 2279 md = NULL; 2280 } 2281 2282 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2283 app_get0_propq(), pkey, NULL) 2284 && do_pkey_ctx_init(pkctx, sigopts); 2285 } 2286 2287 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2288 const char *name, const char *value, int add_default) 2289 { 2290 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2291 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2292 int idx, rv = 0; 2293 2294 if (new_ext == NULL) 2295 return rv; 2296 2297 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2298 if (idx >= 0) { 2299 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2300 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext); 2301 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */ 2302 2303 if (disabled) { 2304 X509_delete_ext(cert, idx); 2305 X509_EXTENSION_free(found_ext); 2306 } /* else keep existing key identifier, which might be outdated */ 2307 rv = 1; 2308 } else { 2309 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2310 } 2311 X509_EXTENSION_free(new_ext); 2312 return rv; 2313 } 2314 2315 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey) 2316 { 2317 int match; 2318 2319 ERR_set_mark(); 2320 match = X509_check_private_key(cert, pkey); 2321 ERR_pop_to_mark(); 2322 return match; 2323 } 2324 2325 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2326 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md, 2327 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2328 { 2329 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2330 int self_sign; 2331 int rv = 0; 2332 2333 if (!force_v1) { 2334 if (!X509_set_version(cert, X509_VERSION_3)) 2335 goto end; 2336 2337 /* 2338 * Add default SKID before AKID such that AKID can make use of it 2339 * in case the certificate is self-signed 2340 */ 2341 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2342 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2343 goto end; 2344 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2345 self_sign = cert_matches_key(cert, pkey); 2346 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2347 "keyid, issuer", !self_sign)) 2348 goto end; 2349 } 2350 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */ 2351 2352 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2353 rv = (X509_sign_ctx(cert, mctx) > 0); 2354 end: 2355 EVP_MD_CTX_free(mctx); 2356 return rv; 2357 } 2358 2359 /* Sign the certificate request info */ 2360 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, 2361 STACK_OF(OPENSSL_STRING) *sigopts) 2362 { 2363 int rv = 0; 2364 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2365 2366 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2367 rv = (X509_REQ_sign_ctx(x, mctx) > 0); 2368 EVP_MD_CTX_free(mctx); 2369 return rv; 2370 } 2371 2372 /* Sign the CRL info */ 2373 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2374 STACK_OF(OPENSSL_STRING) *sigopts) 2375 { 2376 int rv = 0; 2377 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2378 2379 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2380 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2381 EVP_MD_CTX_free(mctx); 2382 return rv; 2383 } 2384 2385 /* 2386 * do_X509_verify returns 1 if the signature is valid, 2387 * 0 if the signature check fails, or -1 if error occurs. 2388 */ 2389 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2390 { 2391 int rv = 0; 2392 2393 if (do_x509_init(x, vfyopts) > 0) 2394 rv = X509_verify(x, pkey); 2395 else 2396 rv = -1; 2397 return rv; 2398 } 2399 2400 /* 2401 * do_X509_REQ_verify returns 1 if the signature is valid, 2402 * 0 if the signature check fails, or -1 if error occurs. 2403 */ 2404 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2405 STACK_OF(OPENSSL_STRING) *vfyopts) 2406 { 2407 int rv = 0; 2408 2409 if (do_x509_req_init(x, vfyopts) > 0) 2410 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq()); 2411 else 2412 rv = -1; 2413 return rv; 2414 } 2415 2416 /* Get first http URL from a DIST_POINT structure */ 2417 2418 static const char *get_dp_url(DIST_POINT *dp) 2419 { 2420 GENERAL_NAMES *gens; 2421 GENERAL_NAME *gen; 2422 int i, gtype; 2423 ASN1_STRING *uri; 2424 2425 if (!dp->distpoint || dp->distpoint->type != 0) 2426 return NULL; 2427 gens = dp->distpoint->name.fullname; 2428 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2429 gen = sk_GENERAL_NAME_value(gens, i); 2430 uri = GENERAL_NAME_get0_value(gen, >ype); 2431 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2432 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2433 2434 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2435 return uptr; 2436 } 2437 } 2438 return NULL; 2439 } 2440 2441 /* 2442 * Look through a CRLDP structure and attempt to find an http URL to 2443 * downloads a CRL from. 2444 */ 2445 2446 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2447 { 2448 int i; 2449 const char *urlptr = NULL; 2450 2451 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2452 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2453 2454 urlptr = get_dp_url(dp); 2455 if (urlptr != NULL) 2456 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2457 } 2458 return NULL; 2459 } 2460 2461 /* 2462 * Example of downloading CRLs from CRLDP: 2463 * not usable for real world as it always downloads and doesn't cache anything. 2464 */ 2465 2466 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2467 const X509_NAME *nm) 2468 { 2469 X509 *x; 2470 STACK_OF(X509_CRL) *crls = NULL; 2471 X509_CRL *crl; 2472 STACK_OF(DIST_POINT) *crldp; 2473 2474 crls = sk_X509_CRL_new_null(); 2475 if (!crls) 2476 return NULL; 2477 x = X509_STORE_CTX_get_current_cert(ctx); 2478 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2479 crl = load_crl_crldp(crldp); 2480 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2481 2482 if (crl == NULL || !sk_X509_CRL_push(crls, crl)) 2483 goto error; 2484 2485 /* Try to download delta CRL */ 2486 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2487 crl = load_crl_crldp(crldp); 2488 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2489 2490 if (crl != NULL && !sk_X509_CRL_push(crls, crl)) 2491 goto error; 2492 2493 return crls; 2494 2495 error: 2496 X509_CRL_free(crl); 2497 sk_X509_CRL_free(crls); 2498 return NULL; 2499 } 2500 2501 void store_setup_crl_download(X509_STORE *st) 2502 { 2503 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2504 } 2505 2506 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP) 2507 static const char *tls_error_hint(void) 2508 { 2509 unsigned long err = ERR_peek_error(); 2510 2511 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2512 err = ERR_peek_last_error(); 2513 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2514 return NULL; /* likely no TLS error */ 2515 2516 switch (ERR_GET_REASON(err)) { 2517 case SSL_R_WRONG_VERSION_NUMBER: 2518 return "The server does not support (a suitable version of) TLS"; 2519 case SSL_R_UNKNOWN_PROTOCOL: 2520 return "The server does not support HTTPS"; 2521 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2522 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2523 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2524 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2525 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2526 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2527 default: 2528 return NULL; /* no hint available for TLS error */ 2529 } 2530 } 2531 2532 static BIO *http_tls_shutdown(BIO *bio) 2533 { 2534 if (bio != NULL) { 2535 BIO *cbio; 2536 const char *hint = tls_error_hint(); 2537 2538 if (hint != NULL) 2539 BIO_printf(bio_err, "%s\n", hint); 2540 (void)ERR_set_mark(); 2541 BIO_ssl_shutdown(bio); 2542 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2543 BIO_free(bio); /* SSL BIO */ 2544 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2545 bio = cbio; 2546 } 2547 return bio; 2548 } 2549 2550 /* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2551 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2552 { 2553 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2554 SSL_CTX *ssl_ctx = info->ssl_ctx; 2555 2556 if (ssl_ctx == NULL) /* not using TLS */ 2557 return bio; 2558 if (connect) { 2559 SSL *ssl; 2560 BIO *sbio = NULL; 2561 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2562 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2563 const char *host = vpm == NULL ? NULL : X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2564 2565 /* adapt after fixing callback design flaw, see #17088 */ 2566 if ((info->use_proxy 2567 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2568 NULL, NULL, /* no proxy credentials */ 2569 info->timeout, bio_err, opt_getprog())) 2570 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2571 return NULL; 2572 } 2573 if ((ssl = SSL_new(ssl_ctx)) == NULL) { 2574 BIO_free(sbio); 2575 return NULL; 2576 } 2577 2578 if (vpm != NULL) 2579 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2580 2581 SSL_set_connect_state(ssl); 2582 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2583 2584 bio = BIO_push(sbio, bio); 2585 } else { /* disconnect from TLS */ 2586 bio = http_tls_shutdown(bio); 2587 } 2588 return bio; 2589 } 2590 2591 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2592 { 2593 if (info != NULL) { 2594 SSL_CTX_free(info->ssl_ctx); 2595 OPENSSL_free(info); 2596 } 2597 } 2598 2599 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2600 const char *no_proxy, SSL_CTX *ssl_ctx, 2601 const STACK_OF(CONF_VALUE) *headers, 2602 long timeout, const char *expected_content_type, 2603 const ASN1_ITEM *it) 2604 { 2605 APP_HTTP_TLS_INFO info; 2606 char *server; 2607 char *port; 2608 int use_ssl; 2609 BIO *mem; 2610 ASN1_VALUE *resp = NULL; 2611 2612 if (url == NULL || it == NULL) { 2613 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2614 return NULL; 2615 } 2616 2617 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2618 NULL /* port_num, */, NULL, NULL, NULL)) 2619 return NULL; 2620 if (use_ssl && ssl_ctx == NULL) { 2621 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2622 "missing SSL_CTX"); 2623 goto end; 2624 } 2625 if (!use_ssl && ssl_ctx != NULL) { 2626 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2627 "SSL_CTX given but use_ssl == 0"); 2628 goto end; 2629 } 2630 2631 info.server = server; 2632 info.port = port; 2633 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2634 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2635 info.timeout = timeout; 2636 info.ssl_ctx = ssl_ctx; 2637 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2638 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2639 expected_content_type, 1 /* expect_asn1 */, 2640 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2641 resp = ASN1_item_d2i_bio(it, mem, NULL); 2642 BIO_free(mem); 2643 2644 end: 2645 OPENSSL_free(server); 2646 OPENSSL_free(port); 2647 return resp; 2648 } 2649 2650 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2651 const char *path, const char *proxy, 2652 const char *no_proxy, SSL_CTX *ssl_ctx, 2653 const STACK_OF(CONF_VALUE) *headers, 2654 const char *content_type, 2655 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2656 const char *expected_content_type, 2657 long timeout, const ASN1_ITEM *rsp_it) 2658 { 2659 int use_ssl = ssl_ctx != NULL; 2660 APP_HTTP_TLS_INFO info; 2661 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2662 ASN1_VALUE *res; 2663 2664 if (req_mem == NULL) 2665 return NULL; 2666 2667 info.server = host; 2668 info.port = port; 2669 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2670 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2671 info.timeout = timeout; 2672 info.ssl_ctx = ssl_ctx; 2673 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2674 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2675 app_http_tls_cb, &info, 2676 0 /* buf_size */, headers, content_type, req_mem, 2677 expected_content_type, 1 /* expect_asn1 */, 2678 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2679 0 /* keep_alive */); 2680 BIO_free(req_mem); 2681 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2682 BIO_free(rsp); 2683 return res; 2684 } 2685 2686 #endif 2687 2688 /* 2689 * Platform-specific sections 2690 */ 2691 #if defined(_WIN32) 2692 #ifdef fileno 2693 #undef fileno 2694 #define fileno(a) (int)_fileno(a) 2695 #endif 2696 2697 #include <windows.h> 2698 #include <tchar.h> 2699 2700 static int WIN32_rename(const char *from, const char *to) 2701 { 2702 TCHAR *tfrom = NULL, *tto; 2703 DWORD err; 2704 int ret = 0; 2705 2706 if (sizeof(TCHAR) == 1) { 2707 tfrom = (TCHAR *)from; 2708 tto = (TCHAR *)to; 2709 } else { /* UNICODE path */ 2710 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2711 2712 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2713 if (tfrom == NULL) 2714 goto err; 2715 tto = tfrom + flen; 2716 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2717 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2718 #endif 2719 for (i = 0; i < flen; i++) 2720 tfrom[i] = (TCHAR)from[i]; 2721 #if !defined(_WIN32_WCE) || _WIN32_WCE >= 101 2722 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2723 #endif 2724 for (i = 0; i < tlen; i++) 2725 tto[i] = (TCHAR)to[i]; 2726 } 2727 2728 if (MoveFile(tfrom, tto)) 2729 goto ok; 2730 err = GetLastError(); 2731 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2732 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2733 goto ok; 2734 err = GetLastError(); 2735 } 2736 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2737 errno = ENOENT; 2738 else if (err == ERROR_ACCESS_DENIED) 2739 errno = EACCES; 2740 else 2741 errno = EINVAL; /* we could map more codes... */ 2742 err: 2743 ret = -1; 2744 ok: 2745 if (tfrom != NULL && tfrom != (TCHAR *)from) 2746 free(tfrom); 2747 return ret; 2748 } 2749 #endif 2750 2751 /* app_tminterval section */ 2752 #if defined(_WIN32) 2753 double app_tminterval(int stop, int usertime) 2754 { 2755 FILETIME now; 2756 double ret = 0; 2757 static ULARGE_INTEGER tmstart; 2758 static int warning = 1; 2759 int use_GetSystemTime = 1; 2760 #ifdef _WIN32_WINNT 2761 static HANDLE proc = NULL; 2762 2763 if (proc == NULL) { 2764 if (check_winnt()) 2765 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2766 GetCurrentProcessId()); 2767 if (proc == NULL) 2768 proc = (HANDLE)-1; 2769 } 2770 2771 if (usertime && proc != (HANDLE)-1) { 2772 FILETIME junk; 2773 2774 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2775 use_GetSystemTime = 0; 2776 } 2777 #endif 2778 if (use_GetSystemTime) { 2779 SYSTEMTIME systime; 2780 2781 if (usertime && warning) { 2782 BIO_printf(bio_err, "To get meaningful results, run " 2783 "this program on idle system.\n"); 2784 warning = 0; 2785 } 2786 GetSystemTime(&systime); 2787 SystemTimeToFileTime(&systime, &now); 2788 } 2789 2790 if (stop == TM_START) { 2791 tmstart.u.LowPart = now.dwLowDateTime; 2792 tmstart.u.HighPart = now.dwHighDateTime; 2793 } else { 2794 ULARGE_INTEGER tmstop; 2795 2796 tmstop.u.LowPart = now.dwLowDateTime; 2797 tmstop.u.HighPart = now.dwHighDateTime; 2798 2799 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2800 } 2801 2802 return ret; 2803 } 2804 #elif defined(OPENSSL_SYS_VXWORKS) 2805 #include <time.h> 2806 2807 double app_tminterval(int stop, int usertime) 2808 { 2809 double ret = 0; 2810 #ifdef CLOCK_REALTIME 2811 static struct timespec tmstart; 2812 struct timespec now; 2813 #else 2814 static unsigned long tmstart; 2815 unsigned long now; 2816 #endif 2817 static int warning = 1; 2818 2819 if (usertime && warning) { 2820 BIO_printf(bio_err, "To get meaningful results, run " 2821 "this program on idle system.\n"); 2822 warning = 0; 2823 } 2824 #ifdef CLOCK_REALTIME 2825 clock_gettime(CLOCK_REALTIME, &now); 2826 if (stop == TM_START) 2827 tmstart = now; 2828 else 2829 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2830 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2831 #else 2832 now = tickGet(); 2833 if (stop == TM_START) 2834 tmstart = now; 2835 else 2836 ret = (now - tmstart) / (double)sysClkRateGet(); 2837 #endif 2838 return ret; 2839 } 2840 2841 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2842 #include <sys/times.h> 2843 2844 double app_tminterval(int stop, int usertime) 2845 { 2846 double ret = 0; 2847 struct tms rus; 2848 clock_t now = times(&rus); 2849 static clock_t tmstart; 2850 2851 if (usertime) 2852 now = rus.tms_utime; 2853 2854 if (stop == TM_START) { 2855 tmstart = now; 2856 } else { 2857 long int tck = sysconf(_SC_CLK_TCK); 2858 2859 ret = (now - tmstart) / (double)tck; 2860 } 2861 2862 return ret; 2863 } 2864 2865 #else 2866 #include <sys/time.h> 2867 #include <sys/resource.h> 2868 2869 double app_tminterval(int stop, int usertime) 2870 { 2871 double ret = 0; 2872 struct rusage rus; 2873 struct timeval now; 2874 static struct timeval tmstart; 2875 2876 if (usertime) 2877 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2878 else 2879 gettimeofday(&now, NULL); 2880 2881 if (stop == TM_START) 2882 tmstart = now; 2883 else 2884 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2885 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2886 2887 return ret; 2888 } 2889 #endif 2890 2891 int app_access(const char *name, int flag) 2892 { 2893 #ifdef _WIN32 2894 return _access(name, flag); 2895 #else 2896 return access(name, flag); 2897 #endif 2898 } 2899 2900 int app_isdir(const char *name) 2901 { 2902 return opt_isdir(name); 2903 } 2904 2905 /* raw_read|write section */ 2906 #if defined(__VMS) 2907 #include "vms_term_sock.h" 2908 static int stdin_sock = -1; 2909 2910 static void close_stdin_sock(void) 2911 { 2912 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock); 2913 } 2914 2915 int fileno_stdin(void) 2916 { 2917 if (stdin_sock == -1) { 2918 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2919 atexit(close_stdin_sock); 2920 } 2921 2922 return stdin_sock; 2923 } 2924 #else 2925 int fileno_stdin(void) 2926 { 2927 return fileno(stdin); 2928 } 2929 #endif 2930 2931 int fileno_stdout(void) 2932 { 2933 return fileno(stdout); 2934 } 2935 2936 #if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2937 int raw_read_stdin(void *buf, int siz) 2938 { 2939 DWORD n; 2940 2941 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2942 return n; 2943 else 2944 return -1; 2945 } 2946 #elif defined(__VMS) 2947 #include <sys/socket.h> 2948 2949 int raw_read_stdin(void *buf, int siz) 2950 { 2951 return recv(fileno_stdin(), buf, siz, 0); 2952 } 2953 #else 2954 int raw_read_stdin(void *buf, int siz) 2955 { 2956 return read(fileno_stdin(), buf, siz); 2957 } 2958 #endif 2959 2960 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 2961 int raw_write_stdout(const void *buf, int siz) 2962 { 2963 DWORD n; 2964 2965 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 2966 return n; 2967 else 2968 return -1; 2969 } 2970 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \ 2971 && defined(_SPT_MODEL_) 2972 int raw_write_stdout(const void *buf, int siz) 2973 { 2974 return write(fileno(stdout), (void *)buf, siz); 2975 } 2976 #else 2977 int raw_write_stdout(const void *buf, int siz) 2978 { 2979 return write(fileno_stdout(), buf, siz); 2980 } 2981 #endif 2982 2983 /* 2984 * Centralized handling of input and output files with format specification 2985 * The format is meant to show what the input and output is supposed to be, 2986 * and is therefore a show of intent more than anything else. However, it 2987 * does impact behavior on some platforms, such as differentiating between 2988 * text and binary input/output on non-Unix platforms 2989 */ 2990 BIO *dup_bio_in(int format) 2991 { 2992 return BIO_new_fp(stdin, 2993 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2994 } 2995 2996 BIO *dup_bio_out(int format) 2997 { 2998 BIO *b = BIO_new_fp(stdout, 2999 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3000 void *prefix = NULL; 3001 3002 if (b == NULL) 3003 return NULL; 3004 3005 #ifdef OPENSSL_SYS_VMS 3006 if (FMT_istext(format)) 3007 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3008 #endif 3009 3010 if (FMT_istext(format) 3011 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 3012 b = BIO_push(BIO_new(BIO_f_prefix()), b); 3013 BIO_set_prefix(b, prefix); 3014 } 3015 3016 return b; 3017 } 3018 3019 BIO *dup_bio_err(int format) 3020 { 3021 BIO *b = BIO_new_fp(stderr, 3022 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 3023 3024 #ifdef OPENSSL_SYS_VMS 3025 if (b != NULL && FMT_istext(format)) 3026 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 3027 #endif 3028 return b; 3029 } 3030 3031 void unbuffer(FILE *fp) 3032 { 3033 /* 3034 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 3035 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 3036 * However, we trust that the C RTL will never give us a FILE pointer 3037 * above the first 4 GB of memory, so we simply turn off the warning 3038 * temporarily. 3039 */ 3040 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3041 #pragma environment save 3042 #pragma message disable maylosedata2 3043 #endif 3044 setbuf(fp, NULL); 3045 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 3046 #pragma environment restore 3047 #endif 3048 } 3049 3050 static const char *modestr(char mode, int format) 3051 { 3052 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 3053 3054 switch (mode) { 3055 case 'a': 3056 return FMT_istext(format) ? "a" : "ab"; 3057 case 'r': 3058 return FMT_istext(format) ? "r" : "rb"; 3059 case 'w': 3060 return FMT_istext(format) ? "w" : "wb"; 3061 } 3062 /* The assert above should make sure we never reach this point */ 3063 return NULL; 3064 } 3065 3066 static const char *modeverb(char mode) 3067 { 3068 switch (mode) { 3069 case 'a': 3070 return "appending"; 3071 case 'r': 3072 return "reading"; 3073 case 'w': 3074 return "writing"; 3075 } 3076 return "(doing something)"; 3077 } 3078 3079 /* 3080 * Open a file for writing, owner-read-only. 3081 */ 3082 BIO *bio_open_owner(const char *filename, int format, int private) 3083 { 3084 FILE *fp = NULL; 3085 BIO *b = NULL; 3086 int textmode, bflags; 3087 #ifndef OPENSSL_NO_POSIX_IO 3088 int fd = -1, mode; 3089 #endif 3090 3091 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3092 return bio_open_default(filename, 'w', format); 3093 3094 textmode = FMT_istext(format); 3095 #ifndef OPENSSL_NO_POSIX_IO 3096 mode = O_WRONLY; 3097 #ifdef O_CREAT 3098 mode |= O_CREAT; 3099 #endif 3100 #ifdef O_TRUNC 3101 mode |= O_TRUNC; 3102 #endif 3103 if (!textmode) { 3104 #ifdef O_BINARY 3105 mode |= O_BINARY; 3106 #elif defined(_O_BINARY) 3107 mode |= _O_BINARY; 3108 #endif 3109 } 3110 3111 #ifdef OPENSSL_SYS_VMS 3112 /* 3113 * VMS doesn't have O_BINARY, it just doesn't make sense. But, 3114 * it still needs to know that we're going binary, or fdopen() 3115 * will fail with "invalid argument"... so we tell VMS what the 3116 * context is. 3117 */ 3118 if (!textmode) 3119 fd = open(filename, mode, 0600, "ctx=bin"); 3120 else 3121 #endif 3122 fd = open(filename, mode, 0600); 3123 if (fd < 0) 3124 goto err; 3125 fp = fdopen(fd, modestr('w', format)); 3126 #else /* OPENSSL_NO_POSIX_IO */ 3127 /* Have stdio but not Posix IO, do the best we can */ 3128 fp = fopen(filename, modestr('w', format)); 3129 #endif /* OPENSSL_NO_POSIX_IO */ 3130 if (fp == NULL) 3131 goto err; 3132 bflags = BIO_CLOSE; 3133 if (textmode) 3134 bflags |= BIO_FP_TEXT; 3135 b = BIO_new_fp(fp, bflags); 3136 if (b != NULL) 3137 return b; 3138 3139 err: 3140 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3141 opt_getprog(), filename, strerror(errno)); 3142 ERR_print_errors(bio_err); 3143 /* If we have fp, then fdopen took over fd, so don't close both. */ 3144 if (fp != NULL) 3145 fclose(fp); 3146 #ifndef OPENSSL_NO_POSIX_IO 3147 else if (fd >= 0) 3148 close(fd); 3149 #endif 3150 return NULL; 3151 } 3152 3153 static BIO *bio_open_default_(const char *filename, char mode, int format, 3154 int quiet) 3155 { 3156 BIO *ret; 3157 3158 if (filename == NULL || strcmp(filename, "-") == 0) { 3159 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format); 3160 if (quiet) { 3161 ERR_clear_error(); 3162 return ret; 3163 } 3164 if (ret != NULL) 3165 return ret; 3166 BIO_printf(bio_err, 3167 "Can't open %s, %s\n", 3168 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3169 } else { 3170 ret = BIO_new_file(filename, modestr(mode, format)); 3171 if (quiet) { 3172 ERR_clear_error(); 3173 return ret; 3174 } 3175 if (ret != NULL) 3176 return ret; 3177 BIO_printf(bio_err, 3178 "Can't open \"%s\" for %s, %s\n", 3179 filename, modeverb(mode), strerror(errno)); 3180 } 3181 ERR_print_errors(bio_err); 3182 return NULL; 3183 } 3184 3185 BIO *bio_open_default(const char *filename, char mode, int format) 3186 { 3187 return bio_open_default_(filename, mode, format, 0); 3188 } 3189 3190 BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3191 { 3192 return bio_open_default_(filename, mode, format, 1); 3193 } 3194 3195 int mem_bio_to_file(BIO *in, const char *filename, int format, int private) 3196 { 3197 int rv = 0, ret = 0; 3198 BIO *out = NULL; 3199 BUF_MEM *mem_buffer = NULL; 3200 3201 rv = BIO_get_mem_ptr(in, &mem_buffer); 3202 if (rv <= 0) { 3203 BIO_puts(bio_err, "Error reading mem buffer\n"); 3204 goto end; 3205 } 3206 out = bio_open_owner(filename, format, private); 3207 if (out == NULL) 3208 goto end; 3209 rv = BIO_write(out, mem_buffer->data, mem_buffer->length); 3210 if (rv < 0 || (size_t)rv != mem_buffer->length) 3211 BIO_printf(bio_err, "Error writing to output file: '%s'\n", filename); 3212 else 3213 ret = 1; 3214 end: 3215 if (!ret) 3216 ERR_print_errors(bio_err); 3217 BIO_free_all(out); 3218 return ret; 3219 } 3220 3221 void wait_for_async(SSL *s) 3222 { 3223 /* On Windows select only works for sockets, so we simply don't wait */ 3224 #ifndef OPENSSL_SYS_WINDOWS 3225 int width = 0; 3226 fd_set asyncfds; 3227 OSSL_ASYNC_FD *fds; 3228 size_t numfds; 3229 size_t i; 3230 3231 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3232 return; 3233 if (numfds == 0) 3234 return; 3235 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3236 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3237 OPENSSL_free(fds); 3238 return; 3239 } 3240 3241 FD_ZERO(&asyncfds); 3242 for (i = 0; i < numfds; i++) { 3243 if (width <= (int)fds[i]) 3244 width = (int)fds[i] + 1; 3245 openssl_fdset((int)fds[i], &asyncfds); 3246 } 3247 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3248 OPENSSL_free(fds); 3249 #endif 3250 } 3251 3252 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3253 #if defined(OPENSSL_SYS_MSDOS) 3254 int has_stdin_waiting(void) 3255 { 3256 #if defined(OPENSSL_SYS_WINDOWS) 3257 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3258 DWORD events = 0; 3259 INPUT_RECORD inputrec; 3260 DWORD insize = 1; 3261 BOOL peeked; 3262 3263 if (inhand == INVALID_HANDLE_VALUE) { 3264 return 0; 3265 } 3266 3267 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3268 if (!peeked) { 3269 /* Probably redirected input? _kbhit() does not work in this case */ 3270 if (!feof(stdin)) { 3271 return 1; 3272 } 3273 return 0; 3274 } 3275 #endif 3276 return _kbhit(); 3277 } 3278 #endif 3279 3280 /* Corrupt a signature by modifying final byte */ 3281 void corrupt_signature(const ASN1_STRING *signature) 3282 { 3283 unsigned char *s = signature->data; 3284 3285 s[signature->length - 1] ^= 0x1; 3286 } 3287 3288 int check_cert_time_string(const char *time, const char *desc) 3289 { 3290 if (time == NULL || strcmp(time, "today") == 0 3291 || ASN1_TIME_set_string_X509(NULL, time)) 3292 return 1; 3293 BIO_printf(bio_err, 3294 "%s is invalid, it should be \"today\" or have format [CC]YYMMDDHHMMSSZ\n", 3295 desc); 3296 return 0; 3297 } 3298 3299 int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3300 int days, int strict_compare_times) 3301 { 3302 if (!check_cert_time_string(startdate, "start date")) 3303 return 0; 3304 if (!check_cert_time_string(enddate, "end date")) 3305 return 0; 3306 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3307 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) { 3308 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3309 return 0; 3310 } 3311 } else { 3312 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) { 3313 BIO_printf(bio_err, "Error setting notBefore certificate field\n"); 3314 return 0; 3315 } 3316 } 3317 if (enddate != NULL && strcmp(enddate, "today") == 0) { 3318 enddate = NULL; 3319 days = 0; 3320 } 3321 if (enddate == NULL) { 3322 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) == NULL) { 3323 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3324 return 0; 3325 } 3326 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3327 BIO_printf(bio_err, "Error setting notAfter certificate field\n"); 3328 return 0; 3329 } 3330 if (ASN1_TIME_compare(X509_get0_notAfter(x), X509_get0_notBefore(x)) < 0) { 3331 BIO_printf(bio_err, "%s: end date before start date\n", 3332 strict_compare_times ? "Error" : "Warning"); 3333 if (strict_compare_times) 3334 return 0; 3335 } 3336 return 1; 3337 } 3338 3339 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3340 { 3341 int ret = 0; 3342 ASN1_TIME *tm = ASN1_TIME_new(); 3343 3344 if (tm == NULL) 3345 goto end; 3346 3347 if (lastupdate == NULL) { 3348 if (X509_gmtime_adj(tm, 0) == NULL) 3349 goto end; 3350 } else { 3351 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3352 goto end; 3353 } 3354 3355 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3356 goto end; 3357 3358 ret = 1; 3359 end: 3360 ASN1_TIME_free(tm); 3361 return ret; 3362 } 3363 3364 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3365 long days, long hours, long secs) 3366 { 3367 int ret = 0; 3368 ASN1_TIME *tm = ASN1_TIME_new(); 3369 3370 if (tm == NULL) 3371 goto end; 3372 3373 if (nextupdate == NULL) { 3374 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3375 goto end; 3376 } else { 3377 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3378 goto end; 3379 } 3380 3381 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3382 goto end; 3383 3384 ret = 1; 3385 end: 3386 ASN1_TIME_free(tm); 3387 return ret; 3388 } 3389 3390 void make_uppercase(char *string) 3391 { 3392 int i; 3393 3394 for (i = 0; string[i] != '\0'; i++) 3395 string[i] = toupper((unsigned char)string[i]); 3396 } 3397 3398 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3399 const OSSL_PARAM *paramdefs) 3400 { 3401 OSSL_PARAM *params = NULL; 3402 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3403 size_t params_n; 3404 char *opt = "", *stmp, *vtmp = NULL; 3405 int found = 1; 3406 3407 if (opts == NULL) 3408 return NULL; 3409 3410 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3411 if (params == NULL) 3412 return NULL; 3413 3414 for (params_n = 0; params_n < sz; params_n++) { 3415 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3416 if ((stmp = OPENSSL_strdup(opt)) == NULL 3417 || (vtmp = strchr(stmp, ':')) == NULL) 3418 goto err; 3419 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3420 *vtmp = 0; 3421 /* Skip over the separator so that vmtp points to the value */ 3422 vtmp++; 3423 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3424 stmp, vtmp, strlen(vtmp), &found)) 3425 goto err; 3426 OPENSSL_free(stmp); 3427 } 3428 params[params_n] = OSSL_PARAM_construct_end(); 3429 return params; 3430 err: 3431 OPENSSL_free(stmp); 3432 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3433 opt); 3434 ERR_print_errors(bio_err); 3435 app_params_free(params); 3436 return NULL; 3437 } 3438 3439 void app_params_free(OSSL_PARAM *params) 3440 { 3441 int i; 3442 3443 if (params != NULL) { 3444 for (i = 0; params[i].key != NULL; ++i) 3445 OPENSSL_free(params[i].data); 3446 OPENSSL_free(params); 3447 } 3448 } 3449 3450 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3451 { 3452 EVP_PKEY *res = NULL; 3453 3454 if (verbose && alg != NULL) { 3455 BIO_printf(bio_err, "Generating %s key", alg); 3456 if (bits > 0) 3457 BIO_printf(bio_err, " with %d bits\n", bits); 3458 else 3459 BIO_printf(bio_err, "\n"); 3460 } 3461 if (!RAND_status()) 3462 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3463 "if the system has a poor entropy source\n"); 3464 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3465 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(), 3466 alg != NULL ? alg : "asymmetric"); 3467 return res; 3468 } 3469 3470 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3471 { 3472 EVP_PKEY *res = NULL; 3473 3474 if (!RAND_status()) 3475 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3476 "if the system has a poor entropy source\n"); 3477 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3478 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n", 3479 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3480 return res; 3481 } 3482 3483 /* 3484 * Return non-zero if the legacy path is still an option. 3485 * This decision is based on the global command line operations and the 3486 * behaviour thus far. 3487 */ 3488 int opt_legacy_okay(void) 3489 { 3490 int provider_options = opt_provider_option_given(); 3491 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3492 3493 /* 3494 * Having a provider option specified or a custom library context or 3495 * property query, is a sure sign we're not using legacy. 3496 */ 3497 if (provider_options || libctx) 3498 return 0; 3499 return 1; 3500 } 3501