1 /* 2 * Copyright 1995-2023 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/store.h> 48 #include <openssl/core_names.h> 49 #include "s_apps.h" 50 #include "apps.h" 51 52 #ifdef _WIN32 53 static int WIN32_rename(const char *from, const char *to); 54 # define rename(from,to) WIN32_rename((from),(to)) 55 #endif 56 57 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 58 # include <conio.h> 59 #endif 60 61 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__) 62 # define _kbhit kbhit 63 #endif 64 65 static BIO *bio_open_default_(const char *filename, char mode, int format, 66 int quiet); 67 68 #define PASS_SOURCE_SIZE_MAX 4 69 70 DEFINE_STACK_OF(CONF) 71 72 typedef struct { 73 const char *name; 74 unsigned long flag; 75 unsigned long mask; 76 } NAME_EX_TBL; 77 78 static int set_table_opts(unsigned long *flags, const char *arg, 79 const NAME_EX_TBL * in_tbl); 80 static int set_multi_opts(unsigned long *flags, const char *arg, 81 const NAME_EX_TBL * in_tbl); 82 static 83 int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin, 84 const char *pass, const char *desc, 85 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 86 EVP_PKEY **pparams, 87 X509 **pcert, STACK_OF(X509) **pcerts, 88 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls, 89 int suppress_decode_errors); 90 91 int app_init(long mesgwin); 92 93 int chopup_args(ARGS *arg, char *buf) 94 { 95 int quoted; 96 char c = '\0', *p = NULL; 97 98 arg->argc = 0; 99 if (arg->size == 0) { 100 arg->size = 20; 101 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space"); 102 } 103 104 for (p = buf;;) { 105 /* Skip whitespace. */ 106 while (*p && isspace(_UC(*p))) 107 p++; 108 if (*p == '\0') 109 break; 110 111 /* The start of something good :-) */ 112 if (arg->argc >= arg->size) { 113 char **tmp; 114 arg->size += 20; 115 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size); 116 if (tmp == NULL) 117 return 0; 118 arg->argv = tmp; 119 } 120 quoted = *p == '\'' || *p == '"'; 121 if (quoted) 122 c = *p++; 123 arg->argv[arg->argc++] = p; 124 125 /* now look for the end of this */ 126 if (quoted) { 127 while (*p && *p != c) 128 p++; 129 *p++ = '\0'; 130 } else { 131 while (*p && !isspace(_UC(*p))) 132 p++; 133 if (*p) 134 *p++ = '\0'; 135 } 136 } 137 arg->argv[arg->argc] = NULL; 138 return 1; 139 } 140 141 #ifndef APP_INIT 142 int app_init(long mesgwin) 143 { 144 return 1; 145 } 146 #endif 147 148 int ctx_set_verify_locations(SSL_CTX *ctx, 149 const char *CAfile, int noCAfile, 150 const char *CApath, int noCApath, 151 const char *CAstore, int noCAstore) 152 { 153 if (CAfile == NULL && CApath == NULL && CAstore == NULL) { 154 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0) 155 return 0; 156 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0) 157 return 0; 158 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0) 159 return 0; 160 161 return 1; 162 } 163 164 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile)) 165 return 0; 166 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath)) 167 return 0; 168 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore)) 169 return 0; 170 return 1; 171 } 172 173 #ifndef OPENSSL_NO_CT 174 175 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path) 176 { 177 if (path == NULL) 178 return SSL_CTX_set_default_ctlog_list_file(ctx); 179 180 return SSL_CTX_set_ctlog_list_file(ctx, path); 181 } 182 183 #endif 184 185 static unsigned long nmflag = 0; 186 static char nmflag_set = 0; 187 188 int set_nameopt(const char *arg) 189 { 190 int ret = set_name_ex(&nmflag, arg); 191 192 if (ret) 193 nmflag_set = 1; 194 195 return ret; 196 } 197 198 unsigned long get_nameopt(void) 199 { 200 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE; 201 } 202 203 void dump_cert_text(BIO *out, X509 *x) 204 { 205 print_name(out, "subject=", X509_get_subject_name(x)); 206 print_name(out, "issuer=", X509_get_issuer_name(x)); 207 } 208 209 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata) 210 { 211 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata); 212 } 213 214 215 static char *app_get_pass(const char *arg, int keepbio); 216 217 char *get_passwd(const char *pass, const char *desc) 218 { 219 char *result = NULL; 220 221 if (desc == NULL) 222 desc = "<unknown>"; 223 if (!app_passwd(pass, NULL, &result, NULL)) 224 BIO_printf(bio_err, "Error getting password for %s\n", desc); 225 if (pass != NULL && result == NULL) { 226 BIO_printf(bio_err, 227 "Trying plain input string (better precede with 'pass:')\n"); 228 result = OPENSSL_strdup(pass); 229 if (result == NULL) 230 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc); 231 } 232 return result; 233 } 234 235 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2) 236 { 237 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0; 238 239 if (arg1 != NULL) { 240 *pass1 = app_get_pass(arg1, same); 241 if (*pass1 == NULL) 242 return 0; 243 } else if (pass1 != NULL) { 244 *pass1 = NULL; 245 } 246 if (arg2 != NULL) { 247 *pass2 = app_get_pass(arg2, same ? 2 : 0); 248 if (*pass2 == NULL) 249 return 0; 250 } else if (pass2 != NULL) { 251 *pass2 = NULL; 252 } 253 return 1; 254 } 255 256 static char *app_get_pass(const char *arg, int keepbio) 257 { 258 static BIO *pwdbio = NULL; 259 char *tmp, tpass[APP_PASS_LEN]; 260 int i; 261 262 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */ 263 if (strncmp(arg, "pass:", 5) == 0) 264 return OPENSSL_strdup(arg + 5); 265 if (strncmp(arg, "env:", 4) == 0) { 266 tmp = getenv(arg + 4); 267 if (tmp == NULL) { 268 BIO_printf(bio_err, "No environment variable %s\n", arg + 4); 269 return NULL; 270 } 271 return OPENSSL_strdup(tmp); 272 } 273 if (!keepbio || pwdbio == NULL) { 274 if (strncmp(arg, "file:", 5) == 0) { 275 pwdbio = BIO_new_file(arg + 5, "r"); 276 if (pwdbio == NULL) { 277 BIO_printf(bio_err, "Can't open file %s\n", arg + 5); 278 return NULL; 279 } 280 #if !defined(_WIN32) 281 /* 282 * Under _WIN32, which covers even Win64 and CE, file 283 * descriptors referenced by BIO_s_fd are not inherited 284 * by child process and therefore below is not an option. 285 * It could have been an option if bss_fd.c was operating 286 * on real Windows descriptors, such as those obtained 287 * with CreateFile. 288 */ 289 } else if (strncmp(arg, "fd:", 3) == 0) { 290 BIO *btmp; 291 i = atoi(arg + 3); 292 if (i >= 0) 293 pwdbio = BIO_new_fd(i, BIO_NOCLOSE); 294 if ((i < 0) || pwdbio == NULL) { 295 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3); 296 return NULL; 297 } 298 /* 299 * Can't do BIO_gets on an fd BIO so add a buffering BIO 300 */ 301 btmp = BIO_new(BIO_f_buffer()); 302 if (btmp == NULL) { 303 BIO_free_all(pwdbio); 304 pwdbio = NULL; 305 BIO_printf(bio_err, "Out of memory\n"); 306 return NULL; 307 } 308 pwdbio = BIO_push(btmp, pwdbio); 309 #endif 310 } else if (strcmp(arg, "stdin") == 0) { 311 unbuffer(stdin); 312 pwdbio = dup_bio_in(FORMAT_TEXT); 313 if (pwdbio == NULL) { 314 BIO_printf(bio_err, "Can't open BIO for stdin\n"); 315 return NULL; 316 } 317 } else { 318 /* argument syntax error; do not reveal too much about arg */ 319 tmp = strchr(arg, ':'); 320 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX) 321 BIO_printf(bio_err, 322 "Invalid password argument, missing ':' within the first %d chars\n", 323 PASS_SOURCE_SIZE_MAX + 1); 324 else 325 BIO_printf(bio_err, 326 "Invalid password argument, starting with \"%.*s\"\n", 327 (int)(tmp - arg + 1), arg); 328 return NULL; 329 } 330 } 331 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN); 332 if (keepbio != 1) { 333 BIO_free_all(pwdbio); 334 pwdbio = NULL; 335 } 336 if (i <= 0) { 337 BIO_printf(bio_err, "Error reading password from BIO\n"); 338 return NULL; 339 } 340 tmp = strchr(tpass, '\n'); 341 if (tmp != NULL) 342 *tmp = 0; 343 return OPENSSL_strdup(tpass); 344 } 345 346 CONF *app_load_config_bio(BIO *in, const char *filename) 347 { 348 long errorline = -1; 349 CONF *conf; 350 int i; 351 352 conf = NCONF_new_ex(app_get0_libctx(), NULL); 353 i = NCONF_load_bio(conf, in, &errorline); 354 if (i > 0) 355 return conf; 356 357 if (errorline <= 0) { 358 BIO_printf(bio_err, "%s: Can't load ", opt_getprog()); 359 } else { 360 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(), 361 errorline); 362 } 363 if (filename != NULL) 364 BIO_printf(bio_err, "config file \"%s\"\n", filename); 365 else 366 BIO_printf(bio_err, "config input"); 367 368 NCONF_free(conf); 369 return NULL; 370 } 371 372 CONF *app_load_config_verbose(const char *filename, int verbose) 373 { 374 if (verbose) { 375 if (*filename == '\0') 376 BIO_printf(bio_err, "No configuration used\n"); 377 else 378 BIO_printf(bio_err, "Using configuration from %s\n", filename); 379 } 380 return app_load_config_internal(filename, 0); 381 } 382 383 CONF *app_load_config_internal(const char *filename, int quiet) 384 { 385 BIO *in; 386 CONF *conf; 387 388 if (filename == NULL || *filename != '\0') { 389 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL) 390 return NULL; 391 conf = app_load_config_bio(in, filename); 392 BIO_free(in); 393 } else { 394 /* Return empty config if filename is empty string. */ 395 conf = NCONF_new_ex(app_get0_libctx(), NULL); 396 } 397 return conf; 398 } 399 400 int app_load_modules(const CONF *config) 401 { 402 CONF *to_free = NULL; 403 404 if (config == NULL) 405 config = to_free = app_load_config_quiet(default_config_file); 406 if (config == NULL) 407 return 1; 408 409 if (CONF_modules_load(config, NULL, 0) <= 0) { 410 BIO_printf(bio_err, "Error configuring OpenSSL modules\n"); 411 ERR_print_errors(bio_err); 412 NCONF_free(to_free); 413 return 0; 414 } 415 NCONF_free(to_free); 416 return 1; 417 } 418 419 int add_oid_section(CONF *conf) 420 { 421 char *p; 422 STACK_OF(CONF_VALUE) *sktmp; 423 CONF_VALUE *cnf; 424 int i; 425 426 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) { 427 ERR_clear_error(); 428 return 1; 429 } 430 if ((sktmp = NCONF_get_section(conf, p)) == NULL) { 431 BIO_printf(bio_err, "problem loading oid section %s\n", p); 432 return 0; 433 } 434 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 435 cnf = sk_CONF_VALUE_value(sktmp, i); 436 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 437 BIO_printf(bio_err, "problem creating object %s=%s\n", 438 cnf->name, cnf->value); 439 return 0; 440 } 441 } 442 return 1; 443 } 444 445 CONF *app_load_config_modules(const char *configfile) 446 { 447 CONF *conf = NULL; 448 449 if (configfile != NULL) { 450 if ((conf = app_load_config_verbose(configfile, 1)) == NULL) 451 return NULL; 452 if (configfile != default_config_file && !app_load_modules(conf)) { 453 NCONF_free(conf); 454 conf = NULL; 455 } 456 } 457 return conf; 458 } 459 460 #define IS_HTTP(uri) ((uri) != NULL \ 461 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0) 462 #define IS_HTTPS(uri) ((uri) != NULL \ 463 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0) 464 465 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin, 466 const char *pass, const char *desc) 467 { 468 X509 *cert = NULL; 469 470 if (desc == NULL) 471 desc = "certificate"; 472 if (IS_HTTPS(uri)) 473 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 474 else if (IS_HTTP(uri)) 475 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */); 476 else 477 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 478 NULL, NULL, NULL, &cert, NULL, NULL, NULL); 479 if (cert == NULL) { 480 BIO_printf(bio_err, "Unable to load %s\n", desc); 481 ERR_print_errors(bio_err); 482 } 483 return cert; 484 } 485 486 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin, 487 const char *desc) 488 { 489 X509_CRL *crl = NULL; 490 491 if (desc == NULL) 492 desc = "CRL"; 493 if (IS_HTTPS(uri)) 494 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc); 495 else if (IS_HTTP(uri)) 496 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */); 497 else 498 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 499 NULL, NULL, NULL, NULL, NULL, &crl, NULL); 500 if (crl == NULL) { 501 BIO_printf(bio_err, "Unable to load %s\n", desc); 502 ERR_print_errors(bio_err); 503 } 504 return crl; 505 } 506 507 X509_REQ *load_csr(const char *file, int format, const char *desc) 508 { 509 X509_REQ *req = NULL; 510 BIO *in; 511 512 if (format == FORMAT_UNDEF) 513 format = FORMAT_PEM; 514 if (desc == NULL) 515 desc = "CSR"; 516 in = bio_open_default(file, 'r', format); 517 if (in == NULL) 518 goto end; 519 520 if (format == FORMAT_ASN1) 521 req = d2i_X509_REQ_bio(in, NULL); 522 else if (format == FORMAT_PEM) 523 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 524 else 525 print_format_error(format, OPT_FMT_PEMDER); 526 527 end: 528 if (req == NULL) { 529 BIO_printf(bio_err, "Unable to load %s\n", desc); 530 ERR_print_errors(bio_err); 531 } 532 BIO_free(in); 533 return req; 534 } 535 536 void cleanse(char *str) 537 { 538 if (str != NULL) 539 OPENSSL_cleanse(str, strlen(str)); 540 } 541 542 void clear_free(char *str) 543 { 544 if (str != NULL) 545 OPENSSL_clear_free(str, strlen(str)); 546 } 547 548 EVP_PKEY *load_key(const char *uri, int format, int may_stdin, 549 const char *pass, ENGINE *e, const char *desc) 550 { 551 EVP_PKEY *pkey = NULL; 552 char *allocated_uri = NULL; 553 554 if (desc == NULL) 555 desc = "private key"; 556 557 if (format == FORMAT_ENGINE) { 558 uri = allocated_uri = make_engine_uri(e, uri, desc); 559 } 560 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 561 &pkey, NULL, NULL, NULL, NULL, NULL, NULL); 562 563 OPENSSL_free(allocated_uri); 564 return pkey; 565 } 566 567 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin, 568 const char *pass, ENGINE *e, const char *desc) 569 { 570 EVP_PKEY *pkey = NULL; 571 char *allocated_uri = NULL; 572 573 if (desc == NULL) 574 desc = "public key"; 575 576 if (format == FORMAT_ENGINE) { 577 uri = allocated_uri = make_engine_uri(e, uri, desc); 578 } 579 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 580 NULL, &pkey, NULL, NULL, NULL, NULL, NULL); 581 582 OPENSSL_free(allocated_uri); 583 return pkey; 584 } 585 586 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin, 587 const char *keytype, const char *desc, 588 int suppress_decode_errors) 589 { 590 EVP_PKEY *params = NULL; 591 592 if (desc == NULL) 593 desc = "key parameters"; 594 595 (void)load_key_certs_crls_suppress(uri, format, maybe_stdin, NULL, desc, 596 NULL, NULL, ¶ms, NULL, NULL, NULL, 597 NULL, suppress_decode_errors); 598 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) { 599 if (!suppress_decode_errors) { 600 BIO_printf(bio_err, 601 "Unable to load %s from %s (unexpected parameters type)\n", 602 desc, uri); 603 ERR_print_errors(bio_err); 604 } 605 EVP_PKEY_free(params); 606 params = NULL; 607 } 608 return params; 609 } 610 611 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin, 612 const char *keytype, const char *desc) 613 { 614 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0); 615 } 616 617 void app_bail_out(char *fmt, ...) 618 { 619 va_list args; 620 621 va_start(args, fmt); 622 BIO_vprintf(bio_err, fmt, args); 623 va_end(args); 624 ERR_print_errors(bio_err); 625 exit(EXIT_FAILURE); 626 } 627 628 void *app_malloc(size_t sz, const char *what) 629 { 630 void *vp = OPENSSL_malloc(sz); 631 632 if (vp == NULL) 633 app_bail_out("%s: Could not allocate %zu bytes for %s\n", 634 opt_getprog(), sz, what); 635 return vp; 636 } 637 638 char *next_item(char *opt) /* in list separated by comma and/or space */ 639 { 640 /* advance to separator (comma or whitespace), if any */ 641 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0') 642 opt++; 643 if (*opt != '\0') { 644 /* terminate current item */ 645 *opt++ = '\0'; 646 /* skip over any whitespace after separator */ 647 while (isspace(_UC(*opt))) 648 opt++; 649 } 650 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */ 651 } 652 653 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg) 654 { 655 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0); 656 657 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n", 658 uri, subj, msg); 659 OPENSSL_free(subj); 660 } 661 662 static void warn_cert(const char *uri, X509 *cert, int warn_EE, 663 X509_VERIFY_PARAM *vpm) 664 { 665 uint32_t ex_flags = X509_get_extension_flags(cert); 666 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert), 667 X509_get0_notAfter(cert)); 668 669 if (res != 0) 670 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid"); 671 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0) 672 warn_cert_msg(uri, cert, "is not a CA cert"); 673 } 674 675 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE, 676 X509_VERIFY_PARAM *vpm) 677 { 678 int i; 679 680 for (i = 0; i < sk_X509_num(certs); i++) 681 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm); 682 } 683 684 int load_cert_certs(const char *uri, 685 X509 **pcert, STACK_OF(X509) **pcerts, 686 int exclude_http, const char *pass, const char *desc, 687 X509_VERIFY_PARAM *vpm) 688 { 689 int ret = 0; 690 char *pass_string; 691 692 if (exclude_http && (OPENSSL_strncasecmp(uri, "http://", 7) == 0 693 || OPENSSL_strncasecmp(uri, "https://", 8) == 0)) { 694 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc); 695 return ret; 696 } 697 pass_string = get_passwd(pass, desc); 698 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 699 NULL, NULL, NULL, 700 pcert, pcerts, NULL, NULL); 701 clear_free(pass_string); 702 703 if (ret) { 704 if (pcert != NULL) 705 warn_cert(uri, *pcert, 0, vpm); 706 if (pcerts != NULL) 707 warn_certs(uri, *pcerts, 1, vpm); 708 } else { 709 if (pcerts != NULL) { 710 sk_X509_pop_free(*pcerts, X509_free); 711 *pcerts = NULL; 712 } 713 } 714 return ret; 715 } 716 717 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass, 718 const char *desc, X509_VERIFY_PARAM *vpm) 719 { 720 STACK_OF(X509) *certs = NULL; 721 STACK_OF(X509) *result = sk_X509_new_null(); 722 723 if (files == NULL) 724 goto err; 725 if (result == NULL) 726 goto oom; 727 728 while (files != NULL) { 729 char *next = next_item(files); 730 731 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm)) 732 goto err; 733 if (!X509_add_certs(result, certs, 734 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP)) 735 goto oom; 736 sk_X509_pop_free(certs, X509_free); 737 certs = NULL; 738 files = next; 739 } 740 return result; 741 742 oom: 743 BIO_printf(bio_err, "out of memory\n"); 744 err: 745 sk_X509_pop_free(certs, X509_free); 746 sk_X509_pop_free(result, X509_free); 747 return NULL; 748 } 749 750 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */, 751 const STACK_OF(X509) *certs /* may NULL */) 752 { 753 int i; 754 755 if (store == NULL) 756 store = X509_STORE_new(); 757 if (store == NULL) 758 return NULL; 759 for (i = 0; i < sk_X509_num(certs); i++) { 760 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) { 761 X509_STORE_free(store); 762 return NULL; 763 } 764 } 765 return store; 766 } 767 768 /* 769 * Create cert store structure with certificates read from given file(s). 770 * Returns pointer to created X509_STORE on success, NULL on error. 771 */ 772 X509_STORE *load_certstore(char *input, const char *pass, const char *desc, 773 X509_VERIFY_PARAM *vpm) 774 { 775 X509_STORE *store = NULL; 776 STACK_OF(X509) *certs = NULL; 777 778 while (input != NULL) { 779 char *next = next_item(input); 780 int ok; 781 782 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) { 783 X509_STORE_free(store); 784 return NULL; 785 } 786 ok = (store = sk_X509_to_store(store, certs)) != NULL; 787 sk_X509_pop_free(certs, X509_free); 788 certs = NULL; 789 if (!ok) 790 return NULL; 791 input = next; 792 } 793 return store; 794 } 795 796 /* 797 * Initialize or extend, if *certs != NULL, a certificate stack. 798 * The caller is responsible for freeing *certs if its value is left not NULL. 799 */ 800 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs, 801 const char *pass, const char *desc) 802 { 803 int was_NULL = *certs == NULL; 804 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, 805 pass, desc, NULL, NULL, 806 NULL, NULL, certs, NULL, NULL); 807 808 if (!ret && was_NULL) { 809 sk_X509_pop_free(*certs, X509_free); 810 *certs = NULL; 811 } 812 return ret; 813 } 814 815 /* 816 * Initialize or extend, if *crls != NULL, a certificate stack. 817 * The caller is responsible for freeing *crls if its value is left not NULL. 818 */ 819 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls, 820 const char *pass, const char *desc) 821 { 822 int was_NULL = *crls == NULL; 823 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 824 NULL, NULL, NULL, 825 NULL, NULL, NULL, crls); 826 827 if (!ret && was_NULL) { 828 sk_X509_CRL_pop_free(*crls, X509_CRL_free); 829 *crls = NULL; 830 } 831 return ret; 832 } 833 834 static const char *format2string(int format) 835 { 836 switch(format) { 837 case FORMAT_PEM: 838 return "PEM"; 839 case FORMAT_ASN1: 840 return "DER"; 841 } 842 return NULL; 843 } 844 845 /* Set type expectation, but clear it if objects of different types expected. */ 846 #define SET_EXPECT(expect, val) ((expect) = (expect) < 0 ? (val) : ((expect) == (val) ? (val) : 0)) 847 /* 848 * Load those types of credentials for which the result pointer is not NULL. 849 * Reads from stdio if uri is NULL and maybe_stdin is nonzero. 850 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded. 851 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated. 852 * If pcerts is non-NULL then all available certificates are appended to *pcerts 853 * except any certificate assigned to *pcert. 854 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated. 855 * If pcrls is non-NULL then all available CRLs are appended to *pcerts 856 * except any CRL assigned to *pcrl. 857 * In any case (also on error) the caller is responsible for freeing all members 858 * of *pcerts and *pcrls (as far as they are not NULL). 859 */ 860 static 861 int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin, 862 const char *pass, const char *desc, 863 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 864 EVP_PKEY **pparams, 865 X509 **pcert, STACK_OF(X509) **pcerts, 866 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls, 867 int suppress_decode_errors) 868 { 869 PW_CB_DATA uidata; 870 OSSL_STORE_CTX *ctx = NULL; 871 OSSL_LIB_CTX *libctx = app_get0_libctx(); 872 const char *propq = app_get0_propq(); 873 int ncerts = 0; 874 int ncrls = 0; 875 const char *failed = 876 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" : 877 pparams != NULL ? "params" : pcert != NULL ? "cert" : 878 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" : 879 pcrls != NULL ? "CRLs" : NULL; 880 int cnt_expectations = 0; 881 int expect = -1; 882 const char *input_type; 883 OSSL_PARAM itp[2]; 884 const OSSL_PARAM *params = NULL; 885 886 if (ppkey != NULL) { 887 *ppkey = NULL; 888 cnt_expectations++; 889 SET_EXPECT(expect, OSSL_STORE_INFO_PKEY); 890 } 891 if (ppubkey != NULL) { 892 *ppubkey = NULL; 893 cnt_expectations++; 894 SET_EXPECT(expect, OSSL_STORE_INFO_PUBKEY); 895 } 896 if (pparams != NULL) { 897 *pparams = NULL; 898 cnt_expectations++; 899 SET_EXPECT(expect, OSSL_STORE_INFO_PARAMS); 900 } 901 if (pcert != NULL) { 902 *pcert = NULL; 903 cnt_expectations++; 904 SET_EXPECT(expect, OSSL_STORE_INFO_CERT); 905 } 906 if (pcerts != NULL) { 907 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) { 908 BIO_printf(bio_err, "Out of memory loading"); 909 goto end; 910 } 911 cnt_expectations++; 912 SET_EXPECT(expect, OSSL_STORE_INFO_CERT); 913 } 914 if (pcrl != NULL) { 915 *pcrl = NULL; 916 cnt_expectations++; 917 SET_EXPECT(expect, OSSL_STORE_INFO_CRL); 918 } 919 if (pcrls != NULL) { 920 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) { 921 BIO_printf(bio_err, "Out of memory loading"); 922 goto end; 923 } 924 cnt_expectations++; 925 SET_EXPECT(expect, OSSL_STORE_INFO_CRL); 926 } 927 if (cnt_expectations == 0) { 928 BIO_printf(bio_err, "Internal error: nothing to load from %s\n", 929 uri != NULL ? uri : "<stdin>"); 930 return 0; 931 } 932 933 uidata.password = pass; 934 uidata.prompt_info = uri; 935 936 if ((input_type = format2string(format)) != NULL) { 937 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE, 938 (char *)input_type, 0); 939 itp[1] = OSSL_PARAM_construct_end(); 940 params = itp; 941 } 942 943 if (uri == NULL) { 944 BIO *bio; 945 946 if (!maybe_stdin) { 947 BIO_printf(bio_err, "No filename or uri specified for loading\n"); 948 goto end; 949 } 950 uri = "<stdin>"; 951 unbuffer(stdin); 952 bio = BIO_new_fp(stdin, 0); 953 if (bio != NULL) { 954 ctx = OSSL_STORE_attach(bio, "file", libctx, propq, 955 get_ui_method(), &uidata, params, 956 NULL, NULL); 957 BIO_free(bio); 958 } 959 } else { 960 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata, 961 params, NULL, NULL); 962 } 963 if (ctx == NULL) 964 goto end; 965 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) 966 goto end; 967 968 failed = NULL; 969 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) { 970 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); 971 int type, ok = 1; 972 973 /* 974 * This can happen (for example) if we attempt to load a file with 975 * multiple different types of things in it - but the thing we just 976 * tried to load wasn't one of the ones we wanted, e.g. if we're trying 977 * to load a certificate but the file has both the private key and the 978 * certificate in it. We just retry until eof. 979 */ 980 if (info == NULL) { 981 continue; 982 } 983 984 type = OSSL_STORE_INFO_get_type(info); 985 switch (type) { 986 case OSSL_STORE_INFO_PKEY: 987 if (ppkey != NULL && *ppkey == NULL) { 988 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; 989 cnt_expectations -= ok; 990 } 991 /* 992 * An EVP_PKEY with private parts also holds the public parts, 993 * so if the caller asked for a public key, and we got a private 994 * key, we can still pass it back. 995 */ 996 if (ok && ppubkey != NULL && *ppubkey == NULL) { 997 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL); 998 cnt_expectations -= ok; 999 } 1000 break; 1001 case OSSL_STORE_INFO_PUBKEY: 1002 if (ppubkey != NULL && *ppubkey == NULL) { 1003 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL); 1004 cnt_expectations -= ok; 1005 } 1006 break; 1007 case OSSL_STORE_INFO_PARAMS: 1008 if (pparams != NULL && *pparams == NULL) { 1009 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL); 1010 cnt_expectations -= ok; 1011 } 1012 break; 1013 case OSSL_STORE_INFO_CERT: 1014 if (pcert != NULL && *pcert == NULL) { 1015 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; 1016 cnt_expectations -= ok; 1017 } 1018 else if (pcerts != NULL) 1019 ok = X509_add_cert(*pcerts, 1020 OSSL_STORE_INFO_get1_CERT(info), 1021 X509_ADD_FLAG_DEFAULT); 1022 ncerts += ok; 1023 break; 1024 case OSSL_STORE_INFO_CRL: 1025 if (pcrl != NULL && *pcrl == NULL) { 1026 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1027 cnt_expectations -= ok; 1028 } 1029 else if (pcrls != NULL) 1030 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); 1031 ncrls += ok; 1032 break; 1033 default: 1034 /* skip any other type */ 1035 break; 1036 } 1037 OSSL_STORE_INFO_free(info); 1038 if (!ok) { 1039 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type); 1040 BIO_printf(bio_err, "Error reading"); 1041 break; 1042 } 1043 } 1044 1045 end: 1046 OSSL_STORE_close(ctx); 1047 if (failed == NULL) { 1048 int any = 0; 1049 1050 if ((ppkey != NULL && *ppkey == NULL) 1051 || (ppubkey != NULL && *ppubkey == NULL)) { 1052 failed = "key"; 1053 } else if (pparams != NULL && *pparams == NULL) { 1054 failed = "params"; 1055 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) { 1056 if (pcert == NULL) 1057 any = 1; 1058 failed = "cert"; 1059 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) { 1060 if (pcrl == NULL) 1061 any = 1; 1062 failed = "CRL"; 1063 } 1064 if (!suppress_decode_errors) { 1065 if (failed != NULL) 1066 BIO_printf(bio_err, "Could not read"); 1067 if (any) 1068 BIO_printf(bio_err, " any"); 1069 } 1070 } 1071 if (!suppress_decode_errors && failed != NULL) { 1072 if (desc != NULL && strstr(desc, failed) != NULL) { 1073 BIO_printf(bio_err, " %s", desc); 1074 } else { 1075 BIO_printf(bio_err, " %s", failed); 1076 if (desc != NULL) 1077 BIO_printf(bio_err, " of %s", desc); 1078 } 1079 if (uri != NULL) 1080 BIO_printf(bio_err, " from %s", uri); 1081 BIO_printf(bio_err, "\n"); 1082 ERR_print_errors(bio_err); 1083 } 1084 if (suppress_decode_errors || failed == NULL) 1085 /* clear any spurious errors */ 1086 ERR_clear_error(); 1087 return failed == NULL; 1088 } 1089 1090 int load_key_certs_crls(const char *uri, int format, int maybe_stdin, 1091 const char *pass, const char *desc, 1092 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 1093 EVP_PKEY **pparams, 1094 X509 **pcert, STACK_OF(X509) **pcerts, 1095 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) 1096 { 1097 return load_key_certs_crls_suppress(uri, format, maybe_stdin, pass, desc, 1098 ppkey, ppubkey, pparams, pcert, pcerts, 1099 pcrl, pcrls, 0); 1100 } 1101 1102 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1103 /* Return error for unknown extensions */ 1104 #define X509V3_EXT_DEFAULT 0 1105 /* Print error for unknown extensions */ 1106 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) 1107 /* ASN1 parse unknown extensions */ 1108 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) 1109 /* BIO_dump unknown extensions */ 1110 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) 1111 1112 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \ 1113 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1114 1115 int set_cert_ex(unsigned long *flags, const char *arg) 1116 { 1117 static const NAME_EX_TBL cert_tbl[] = { 1118 {"compatible", X509_FLAG_COMPAT, 0xffffffffl}, 1119 {"ca_default", X509_FLAG_CA, 0xffffffffl}, 1120 {"no_header", X509_FLAG_NO_HEADER, 0}, 1121 {"no_version", X509_FLAG_NO_VERSION, 0}, 1122 {"no_serial", X509_FLAG_NO_SERIAL, 0}, 1123 {"no_signame", X509_FLAG_NO_SIGNAME, 0}, 1124 {"no_validity", X509_FLAG_NO_VALIDITY, 0}, 1125 {"no_subject", X509_FLAG_NO_SUBJECT, 0}, 1126 {"no_issuer", X509_FLAG_NO_ISSUER, 0}, 1127 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0}, 1128 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0}, 1129 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0}, 1130 {"no_aux", X509_FLAG_NO_AUX, 0}, 1131 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0}, 1132 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK}, 1133 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1134 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1135 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1136 {NULL, 0, 0} 1137 }; 1138 return set_multi_opts(flags, arg, cert_tbl); 1139 } 1140 1141 int set_name_ex(unsigned long *flags, const char *arg) 1142 { 1143 static const NAME_EX_TBL ex_tbl[] = { 1144 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0}, 1145 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0}, 1146 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0}, 1147 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0}, 1148 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0}, 1149 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0}, 1150 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0}, 1151 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0}, 1152 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0}, 1153 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0}, 1154 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0}, 1155 {"compat", XN_FLAG_COMPAT, 0xffffffffL}, 1156 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK}, 1157 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK}, 1158 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK}, 1159 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK}, 1160 {"dn_rev", XN_FLAG_DN_REV, 0}, 1161 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK}, 1162 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK}, 1163 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK}, 1164 {"align", XN_FLAG_FN_ALIGN, 0}, 1165 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK}, 1166 {"space_eq", XN_FLAG_SPC_EQ, 0}, 1167 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0}, 1168 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL}, 1169 {"oneline", XN_FLAG_ONELINE, 0xffffffffL}, 1170 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL}, 1171 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL}, 1172 {NULL, 0, 0} 1173 }; 1174 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1175 return 0; 1176 if (*flags != XN_FLAG_COMPAT 1177 && (*flags & XN_FLAG_SEP_MASK) == 0) 1178 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1179 return 1; 1180 } 1181 1182 int set_dateopt(unsigned long *dateopt, const char *arg) 1183 { 1184 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1185 *dateopt = ASN1_DTFLGS_RFC822; 1186 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1187 *dateopt = ASN1_DTFLGS_ISO8601; 1188 else 1189 return 0; 1190 return 1; 1191 } 1192 1193 int set_ext_copy(int *copy_type, const char *arg) 1194 { 1195 if (OPENSSL_strcasecmp(arg, "none") == 0) 1196 *copy_type = EXT_COPY_NONE; 1197 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1198 *copy_type = EXT_COPY_ADD; 1199 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1200 *copy_type = EXT_COPY_ALL; 1201 else 1202 return 0; 1203 return 1; 1204 } 1205 1206 int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1207 { 1208 STACK_OF(X509_EXTENSION) *exts; 1209 int i, ret = 0; 1210 1211 if (x == NULL || req == NULL) 1212 return 0; 1213 if (copy_type == EXT_COPY_NONE) 1214 return 1; 1215 exts = X509_REQ_get_extensions(req); 1216 1217 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1218 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1219 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1220 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1221 1222 /* Does extension exist in target? */ 1223 if (idx != -1) { 1224 /* If normal copy don't override existing extension */ 1225 if (copy_type == EXT_COPY_ADD) 1226 continue; 1227 /* Delete all extensions of same type */ 1228 do { 1229 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1230 idx = X509_get_ext_by_OBJ(x, obj, -1); 1231 } while (idx != -1); 1232 } 1233 if (!X509_add_ext(x, ext, -1)) 1234 goto end; 1235 } 1236 ret = 1; 1237 1238 end: 1239 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1240 return ret; 1241 } 1242 1243 static int set_multi_opts(unsigned long *flags, const char *arg, 1244 const NAME_EX_TBL * in_tbl) 1245 { 1246 STACK_OF(CONF_VALUE) *vals; 1247 CONF_VALUE *val; 1248 int i, ret = 1; 1249 if (!arg) 1250 return 0; 1251 vals = X509V3_parse_list(arg); 1252 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1253 val = sk_CONF_VALUE_value(vals, i); 1254 if (!set_table_opts(flags, val->name, in_tbl)) 1255 ret = 0; 1256 } 1257 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1258 return ret; 1259 } 1260 1261 static int set_table_opts(unsigned long *flags, const char *arg, 1262 const NAME_EX_TBL * in_tbl) 1263 { 1264 char c; 1265 const NAME_EX_TBL *ptbl; 1266 c = arg[0]; 1267 1268 if (c == '-') { 1269 c = 0; 1270 arg++; 1271 } else if (c == '+') { 1272 c = 1; 1273 arg++; 1274 } else { 1275 c = 1; 1276 } 1277 1278 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1279 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1280 *flags &= ~ptbl->mask; 1281 if (c) 1282 *flags |= ptbl->flag; 1283 else 1284 *flags &= ~ptbl->flag; 1285 return 1; 1286 } 1287 } 1288 return 0; 1289 } 1290 1291 void print_name(BIO *out, const char *title, const X509_NAME *nm) 1292 { 1293 char *buf; 1294 char mline = 0; 1295 int indent = 0; 1296 unsigned long lflags = get_nameopt(); 1297 1298 if (out == NULL) 1299 return; 1300 if (title != NULL) 1301 BIO_puts(out, title); 1302 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1303 mline = 1; 1304 indent = 4; 1305 } 1306 if (lflags == XN_FLAG_COMPAT) { 1307 buf = X509_NAME_oneline(nm, 0, 0); 1308 BIO_puts(out, buf); 1309 BIO_puts(out, "\n"); 1310 OPENSSL_free(buf); 1311 } else { 1312 if (mline) 1313 BIO_puts(out, "\n"); 1314 X509_NAME_print_ex(out, nm, indent, lflags); 1315 BIO_puts(out, "\n"); 1316 } 1317 } 1318 1319 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1320 int len, unsigned char *buffer) 1321 { 1322 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1323 if (BN_is_zero(in)) { 1324 BIO_printf(out, "\n 0x00"); 1325 } else { 1326 int i, l; 1327 1328 l = BN_bn2bin(in, buffer); 1329 for (i = 0; i < l; i++) { 1330 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1331 if (i < l - 1) 1332 BIO_printf(out, "0x%02X,", buffer[i]); 1333 else 1334 BIO_printf(out, "0x%02X", buffer[i]); 1335 } 1336 } 1337 BIO_printf(out, "\n };\n"); 1338 } 1339 1340 void print_array(BIO *out, const char* title, int len, const unsigned char* d) 1341 { 1342 int i; 1343 1344 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1345 for (i = 0; i < len; i++) { 1346 if ((i % 10) == 0) 1347 BIO_printf(out, "\n "); 1348 if (i < len - 1) 1349 BIO_printf(out, "0x%02X, ", d[i]); 1350 else 1351 BIO_printf(out, "0x%02X", d[i]); 1352 } 1353 BIO_printf(out, "\n};\n"); 1354 } 1355 1356 X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1357 const char *CApath, int noCApath, 1358 const char *CAstore, int noCAstore) 1359 { 1360 X509_STORE *store = X509_STORE_new(); 1361 X509_LOOKUP *lookup; 1362 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1363 const char *propq = app_get0_propq(); 1364 1365 if (store == NULL) 1366 goto end; 1367 1368 if (CAfile != NULL || !noCAfile) { 1369 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1370 if (lookup == NULL) 1371 goto end; 1372 if (CAfile != NULL) { 1373 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1374 libctx, propq) <= 0) { 1375 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1376 goto end; 1377 } 1378 } else { 1379 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1380 libctx, propq); 1381 } 1382 } 1383 1384 if (CApath != NULL || !noCApath) { 1385 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1386 if (lookup == NULL) 1387 goto end; 1388 if (CApath != NULL) { 1389 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1390 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1391 goto end; 1392 } 1393 } else { 1394 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1395 } 1396 } 1397 1398 if (CAstore != NULL || !noCAstore) { 1399 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1400 if (lookup == NULL) 1401 goto end; 1402 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1403 if (CAstore != NULL) 1404 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1405 goto end; 1406 } 1407 } 1408 1409 ERR_clear_error(); 1410 return store; 1411 end: 1412 ERR_print_errors(bio_err); 1413 X509_STORE_free(store); 1414 return NULL; 1415 } 1416 1417 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1418 { 1419 const char *n; 1420 1421 n = a[DB_serial]; 1422 while (*n == '0') 1423 n++; 1424 return OPENSSL_LH_strhash(n); 1425 } 1426 1427 static int index_serial_cmp(const OPENSSL_CSTRING *a, 1428 const OPENSSL_CSTRING *b) 1429 { 1430 const char *aa, *bb; 1431 1432 for (aa = a[DB_serial]; *aa == '0'; aa++) ; 1433 for (bb = b[DB_serial]; *bb == '0'; bb++) ; 1434 return strcmp(aa, bb); 1435 } 1436 1437 static int index_name_qual(char **a) 1438 { 1439 return (a[0][0] == 'V'); 1440 } 1441 1442 static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1443 { 1444 return OPENSSL_LH_strhash(a[DB_name]); 1445 } 1446 1447 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1448 { 1449 return strcmp(a[DB_name], b[DB_name]); 1450 } 1451 1452 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1453 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1454 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1455 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1456 #undef BSIZE 1457 #define BSIZE 256 1458 BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1459 ASN1_INTEGER **retai) 1460 { 1461 BIO *in = NULL; 1462 BIGNUM *ret = NULL; 1463 char buf[1024]; 1464 ASN1_INTEGER *ai = NULL; 1465 1466 ai = ASN1_INTEGER_new(); 1467 if (ai == NULL) 1468 goto err; 1469 1470 in = BIO_new_file(serialfile, "r"); 1471 if (exists != NULL) 1472 *exists = in != NULL; 1473 if (in == NULL) { 1474 if (!create) { 1475 perror(serialfile); 1476 goto err; 1477 } 1478 ERR_clear_error(); 1479 ret = BN_new(); 1480 if (ret == NULL) { 1481 BIO_printf(bio_err, "Out of memory\n"); 1482 } else if (!rand_serial(ret, ai)) { 1483 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1484 serialfile); 1485 BN_free(ret); 1486 ret = NULL; 1487 } 1488 } else { 1489 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1490 BIO_printf(bio_err, "Unable to load number from %s\n", 1491 serialfile); 1492 goto err; 1493 } 1494 ret = ASN1_INTEGER_to_BN(ai, NULL); 1495 if (ret == NULL) { 1496 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1497 goto err; 1498 } 1499 } 1500 1501 if (ret != NULL && retai != NULL) { 1502 *retai = ai; 1503 ai = NULL; 1504 } 1505 err: 1506 if (ret == NULL) 1507 ERR_print_errors(bio_err); 1508 BIO_free(in); 1509 ASN1_INTEGER_free(ai); 1510 return ret; 1511 } 1512 1513 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial, 1514 ASN1_INTEGER **retai) 1515 { 1516 char buf[1][BSIZE]; 1517 BIO *out = NULL; 1518 int ret = 0; 1519 ASN1_INTEGER *ai = NULL; 1520 int j; 1521 1522 if (suffix == NULL) 1523 j = strlen(serialfile); 1524 else 1525 j = strlen(serialfile) + strlen(suffix) + 1; 1526 if (j >= BSIZE) { 1527 BIO_printf(bio_err, "File name too long\n"); 1528 goto err; 1529 } 1530 1531 if (suffix == NULL) 1532 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1533 else { 1534 #ifndef OPENSSL_SYS_VMS 1535 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1536 #else 1537 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1538 #endif 1539 } 1540 out = BIO_new_file(buf[0], "w"); 1541 if (out == NULL) { 1542 goto err; 1543 } 1544 1545 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1546 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1547 goto err; 1548 } 1549 i2a_ASN1_INTEGER(out, ai); 1550 BIO_puts(out, "\n"); 1551 ret = 1; 1552 if (retai) { 1553 *retai = ai; 1554 ai = NULL; 1555 } 1556 err: 1557 if (!ret) 1558 ERR_print_errors(bio_err); 1559 BIO_free_all(out); 1560 ASN1_INTEGER_free(ai); 1561 return ret; 1562 } 1563 1564 int rotate_serial(const char *serialfile, const char *new_suffix, 1565 const char *old_suffix) 1566 { 1567 char buf[2][BSIZE]; 1568 int i, j; 1569 1570 i = strlen(serialfile) + strlen(old_suffix); 1571 j = strlen(serialfile) + strlen(new_suffix); 1572 if (i > j) 1573 j = i; 1574 if (j + 1 >= BSIZE) { 1575 BIO_printf(bio_err, "File name too long\n"); 1576 goto err; 1577 } 1578 #ifndef OPENSSL_SYS_VMS 1579 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1580 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1581 #else 1582 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1583 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1584 #endif 1585 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1586 #ifdef ENOTDIR 1587 && errno != ENOTDIR 1588 #endif 1589 ) { 1590 BIO_printf(bio_err, 1591 "Unable to rename %s to %s\n", serialfile, buf[1]); 1592 perror("reason"); 1593 goto err; 1594 } 1595 if (rename(buf[0], serialfile) < 0) { 1596 BIO_printf(bio_err, 1597 "Unable to rename %s to %s\n", buf[0], serialfile); 1598 perror("reason"); 1599 rename(buf[1], serialfile); 1600 goto err; 1601 } 1602 return 1; 1603 err: 1604 ERR_print_errors(bio_err); 1605 return 0; 1606 } 1607 1608 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1609 { 1610 BIGNUM *btmp; 1611 int ret = 0; 1612 1613 btmp = b == NULL ? BN_new() : b; 1614 if (btmp == NULL) 1615 return 0; 1616 1617 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1618 goto error; 1619 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1620 goto error; 1621 1622 ret = 1; 1623 1624 error: 1625 1626 if (btmp != b) 1627 BN_free(btmp); 1628 1629 return ret; 1630 } 1631 1632 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1633 { 1634 CA_DB *retdb = NULL; 1635 TXT_DB *tmpdb = NULL; 1636 BIO *in; 1637 CONF *dbattr_conf = NULL; 1638 char buf[BSIZE]; 1639 #ifndef OPENSSL_NO_POSIX_IO 1640 FILE *dbfp; 1641 struct stat dbst; 1642 #endif 1643 1644 in = BIO_new_file(dbfile, "r"); 1645 if (in == NULL) 1646 goto err; 1647 1648 #ifndef OPENSSL_NO_POSIX_IO 1649 BIO_get_fp(in, &dbfp); 1650 if (fstat(fileno(dbfp), &dbst) == -1) { 1651 ERR_raise_data(ERR_LIB_SYS, errno, 1652 "calling fstat(%s)", dbfile); 1653 goto err; 1654 } 1655 #endif 1656 1657 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1658 goto err; 1659 1660 #ifndef OPENSSL_SYS_VMS 1661 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1662 #else 1663 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1664 #endif 1665 dbattr_conf = app_load_config_quiet(buf); 1666 1667 retdb = app_malloc(sizeof(*retdb), "new DB"); 1668 retdb->db = tmpdb; 1669 tmpdb = NULL; 1670 if (db_attr) 1671 retdb->attributes = *db_attr; 1672 else { 1673 retdb->attributes.unique_subject = 1; 1674 } 1675 1676 if (dbattr_conf) { 1677 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject"); 1678 if (p) { 1679 retdb->attributes.unique_subject = parse_yesno(p, 1); 1680 } else { 1681 ERR_clear_error(); 1682 } 1683 1684 } 1685 1686 retdb->dbfname = OPENSSL_strdup(dbfile); 1687 #ifndef OPENSSL_NO_POSIX_IO 1688 retdb->dbst = dbst; 1689 #endif 1690 1691 err: 1692 ERR_print_errors(bio_err); 1693 NCONF_free(dbattr_conf); 1694 TXT_DB_free(tmpdb); 1695 BIO_free_all(in); 1696 return retdb; 1697 } 1698 1699 /* 1700 * Returns > 0 on success, <= 0 on error 1701 */ 1702 int index_index(CA_DB *db) 1703 { 1704 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1705 LHASH_HASH_FN(index_serial), 1706 LHASH_COMP_FN(index_serial))) { 1707 BIO_printf(bio_err, 1708 "Error creating serial number index:(%ld,%ld,%ld)\n", 1709 db->db->error, db->db->arg1, db->db->arg2); 1710 goto err; 1711 } 1712 1713 if (db->attributes.unique_subject 1714 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1715 LHASH_HASH_FN(index_name), 1716 LHASH_COMP_FN(index_name))) { 1717 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1718 db->db->error, db->db->arg1, db->db->arg2); 1719 goto err; 1720 } 1721 return 1; 1722 err: 1723 ERR_print_errors(bio_err); 1724 return 0; 1725 } 1726 1727 int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1728 { 1729 char buf[3][BSIZE]; 1730 BIO *out; 1731 int j; 1732 1733 j = strlen(dbfile) + strlen(suffix); 1734 if (j + 6 >= BSIZE) { 1735 BIO_printf(bio_err, "File name too long\n"); 1736 goto err; 1737 } 1738 #ifndef OPENSSL_SYS_VMS 1739 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile); 1740 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix); 1741 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix); 1742 #else 1743 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1744 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1745 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1746 #endif 1747 out = BIO_new_file(buf[0], "w"); 1748 if (out == NULL) { 1749 perror(dbfile); 1750 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1751 goto err; 1752 } 1753 j = TXT_DB_write(out, db->db); 1754 BIO_free(out); 1755 if (j <= 0) 1756 goto err; 1757 1758 out = BIO_new_file(buf[1], "w"); 1759 if (out == NULL) { 1760 perror(buf[2]); 1761 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1762 goto err; 1763 } 1764 BIO_printf(out, "unique_subject = %s\n", 1765 db->attributes.unique_subject ? "yes" : "no"); 1766 BIO_free(out); 1767 1768 return 1; 1769 err: 1770 ERR_print_errors(bio_err); 1771 return 0; 1772 } 1773 1774 int rotate_index(const char *dbfile, const char *new_suffix, 1775 const char *old_suffix) 1776 { 1777 char buf[5][BSIZE]; 1778 int i, j; 1779 1780 i = strlen(dbfile) + strlen(old_suffix); 1781 j = strlen(dbfile) + strlen(new_suffix); 1782 if (i > j) 1783 j = i; 1784 if (j + 6 >= BSIZE) { 1785 BIO_printf(bio_err, "File name too long\n"); 1786 goto err; 1787 } 1788 #ifndef OPENSSL_SYS_VMS 1789 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1790 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1791 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1792 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1793 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1794 #else 1795 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1796 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1797 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1798 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1799 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1800 #endif 1801 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1802 #ifdef ENOTDIR 1803 && errno != ENOTDIR 1804 #endif 1805 ) { 1806 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1807 perror("reason"); 1808 goto err; 1809 } 1810 if (rename(buf[0], dbfile) < 0) { 1811 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1812 perror("reason"); 1813 rename(buf[1], dbfile); 1814 goto err; 1815 } 1816 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1817 #ifdef ENOTDIR 1818 && errno != ENOTDIR 1819 #endif 1820 ) { 1821 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1822 perror("reason"); 1823 rename(dbfile, buf[0]); 1824 rename(buf[1], dbfile); 1825 goto err; 1826 } 1827 if (rename(buf[2], buf[4]) < 0) { 1828 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1829 perror("reason"); 1830 rename(buf[3], buf[4]); 1831 rename(dbfile, buf[0]); 1832 rename(buf[1], dbfile); 1833 goto err; 1834 } 1835 return 1; 1836 err: 1837 ERR_print_errors(bio_err); 1838 return 0; 1839 } 1840 1841 void free_index(CA_DB *db) 1842 { 1843 if (db) { 1844 TXT_DB_free(db->db); 1845 OPENSSL_free(db->dbfname); 1846 OPENSSL_free(db); 1847 } 1848 } 1849 1850 int parse_yesno(const char *str, int def) 1851 { 1852 if (str) { 1853 switch (*str) { 1854 case 'f': /* false */ 1855 case 'F': /* FALSE */ 1856 case 'n': /* no */ 1857 case 'N': /* NO */ 1858 case '0': /* 0 */ 1859 return 0; 1860 case 't': /* true */ 1861 case 'T': /* TRUE */ 1862 case 'y': /* yes */ 1863 case 'Y': /* YES */ 1864 case '1': /* 1 */ 1865 return 1; 1866 } 1867 } 1868 return def; 1869 } 1870 1871 /* 1872 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1873 * where + can be used instead of / to form multi-valued RDNs if canmulti 1874 * and characters may be escaped by \ 1875 */ 1876 X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1877 const char *desc) 1878 { 1879 int nextismulti = 0; 1880 char *work; 1881 X509_NAME *n; 1882 1883 if (*cp++ != '/') { 1884 BIO_printf(bio_err, 1885 "%s: %s name is expected to be in the format " 1886 "/type0=value0/type1=value1/type2=... where characters may " 1887 "be escaped by \\. This name is not in that format: '%s'\n", 1888 opt_getprog(), desc, --cp); 1889 return NULL; 1890 } 1891 1892 n = X509_NAME_new(); 1893 if (n == NULL) { 1894 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1895 return NULL; 1896 } 1897 work = OPENSSL_strdup(cp); 1898 if (work == NULL) { 1899 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1900 opt_getprog(), desc); 1901 goto err; 1902 } 1903 1904 while (*cp != '\0') { 1905 char *bp = work; 1906 char *typestr = bp; 1907 unsigned char *valstr; 1908 int nid; 1909 int ismulti = nextismulti; 1910 nextismulti = 0; 1911 1912 /* Collect the type */ 1913 while (*cp != '\0' && *cp != '=') 1914 *bp++ = *cp++; 1915 *bp++ = '\0'; 1916 if (*cp == '\0') { 1917 BIO_printf(bio_err, 1918 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1919 opt_getprog(), typestr, desc); 1920 goto err; 1921 } 1922 ++cp; 1923 1924 /* Collect the value. */ 1925 valstr = (unsigned char *)bp; 1926 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 1927 /* unescaped '+' symbol string signals further member of multiRDN */ 1928 if (canmulti && *cp == '+') { 1929 nextismulti = 1; 1930 break; 1931 } 1932 if (*cp == '\\' && *++cp == '\0') { 1933 BIO_printf(bio_err, 1934 "%s: Escape character at end of %s name string\n", 1935 opt_getprog(), desc); 1936 goto err; 1937 } 1938 } 1939 *bp++ = '\0'; 1940 1941 /* If not at EOS (must be + or /), move forward. */ 1942 if (*cp != '\0') 1943 ++cp; 1944 1945 /* Parse */ 1946 nid = OBJ_txt2nid(typestr); 1947 if (nid == NID_undef) { 1948 BIO_printf(bio_err, 1949 "%s warning: Skipping unknown %s name attribute \"%s\"\n", 1950 opt_getprog(), desc, typestr); 1951 if (ismulti) 1952 BIO_printf(bio_err, 1953 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", 1954 opt_getprog()); 1955 continue; 1956 } 1957 if (*valstr == '\0') { 1958 BIO_printf(bio_err, 1959 "%s warning: No value provided for %s name attribute \"%s\", skipped\n", 1960 opt_getprog(), desc, typestr); 1961 continue; 1962 } 1963 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1964 valstr, strlen((char *)valstr), 1965 -1, ismulti ? -1 : 0)) { 1966 ERR_print_errors(bio_err); 1967 BIO_printf(bio_err, 1968 "%s: Error adding %s name attribute \"/%s=%s\"\n", 1969 opt_getprog(), desc, typestr ,valstr); 1970 goto err; 1971 } 1972 } 1973 1974 OPENSSL_free(work); 1975 return n; 1976 1977 err: 1978 X509_NAME_free(n); 1979 OPENSSL_free(work); 1980 return NULL; 1981 } 1982 1983 /* 1984 * Read whole contents of a BIO into an allocated memory buffer and return 1985 * it. 1986 */ 1987 1988 int bio_to_mem(unsigned char **out, int maxlen, BIO *in) 1989 { 1990 BIO *mem; 1991 int len, ret; 1992 unsigned char tbuf[1024]; 1993 1994 mem = BIO_new(BIO_s_mem()); 1995 if (mem == NULL) 1996 return -1; 1997 for (;;) { 1998 if ((maxlen != -1) && maxlen < 1024) 1999 len = maxlen; 2000 else 2001 len = 1024; 2002 len = BIO_read(in, tbuf, len); 2003 if (len < 0) { 2004 BIO_free(mem); 2005 return -1; 2006 } 2007 if (len == 0) 2008 break; 2009 if (BIO_write(mem, tbuf, len) != len) { 2010 BIO_free(mem); 2011 return -1; 2012 } 2013 if (maxlen != -1) 2014 maxlen -= len; 2015 2016 if (maxlen == 0) 2017 break; 2018 } 2019 ret = BIO_get_mem_data(mem, (char **)out); 2020 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY); 2021 BIO_free(mem); 2022 return ret; 2023 } 2024 2025 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2026 { 2027 int rv = 0; 2028 char *stmp, *vtmp = NULL; 2029 2030 stmp = OPENSSL_strdup(value); 2031 if (stmp == NULL) 2032 return -1; 2033 vtmp = strchr(stmp, ':'); 2034 if (vtmp == NULL) 2035 goto err; 2036 2037 *vtmp = 0; 2038 vtmp++; 2039 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2040 2041 err: 2042 OPENSSL_free(stmp); 2043 return rv; 2044 } 2045 2046 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2047 { 2048 X509_POLICY_NODE *node; 2049 int i; 2050 2051 BIO_printf(bio_err, "%s Policies:", name); 2052 if (nodes) { 2053 BIO_puts(bio_err, "\n"); 2054 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2055 node = sk_X509_POLICY_NODE_value(nodes, i); 2056 X509_POLICY_NODE_print(bio_err, node, 2); 2057 } 2058 } else { 2059 BIO_puts(bio_err, " <empty>\n"); 2060 } 2061 } 2062 2063 void policies_print(X509_STORE_CTX *ctx) 2064 { 2065 X509_POLICY_TREE *tree; 2066 int explicit_policy; 2067 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2068 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2069 2070 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2071 explicit_policy ? "True" : "False"); 2072 2073 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2074 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2075 } 2076 2077 /*- 2078 * next_protos_parse parses a comma separated list of strings into a string 2079 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2080 * outlen: (output) set to the length of the resulting buffer on success. 2081 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2082 * in: a NUL terminated string like "abc,def,ghi" 2083 * 2084 * returns: a malloc'd buffer or NULL on failure. 2085 */ 2086 unsigned char *next_protos_parse(size_t *outlen, const char *in) 2087 { 2088 size_t len; 2089 unsigned char *out; 2090 size_t i, start = 0; 2091 size_t skipped = 0; 2092 2093 len = strlen(in); 2094 if (len == 0 || len >= 65535) 2095 return NULL; 2096 2097 out = app_malloc(len + 1, "NPN buffer"); 2098 for (i = 0; i <= len; ++i) { 2099 if (i == len || in[i] == ',') { 2100 /* 2101 * Zero-length ALPN elements are invalid on the wire, we could be 2102 * strict and reject the entire string, but just ignoring extra 2103 * commas seems harmless and more friendly. 2104 * 2105 * Every comma we skip in this way puts the input buffer another 2106 * byte ahead of the output buffer, so all stores into the output 2107 * buffer need to be decremented by the number commas skipped. 2108 */ 2109 if (i == start) { 2110 ++start; 2111 ++skipped; 2112 continue; 2113 } 2114 if (i - start > 255) { 2115 OPENSSL_free(out); 2116 return NULL; 2117 } 2118 out[start-skipped] = (unsigned char)(i - start); 2119 start = i + 1; 2120 } else { 2121 out[i + 1 - skipped] = in[i]; 2122 } 2123 } 2124 2125 if (len <= skipped) { 2126 OPENSSL_free(out); 2127 return NULL; 2128 } 2129 2130 *outlen = len + 1 - skipped; 2131 return out; 2132 } 2133 2134 void print_cert_checks(BIO *bio, X509 *x, 2135 const char *checkhost, 2136 const char *checkemail, const char *checkip) 2137 { 2138 if (x == NULL) 2139 return; 2140 if (checkhost) { 2141 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2142 checkhost, 2143 X509_check_host(x, checkhost, 0, 0, NULL) == 1 2144 ? "" : " NOT"); 2145 } 2146 2147 if (checkemail) { 2148 BIO_printf(bio, "Email %s does%s match certificate\n", 2149 checkemail, X509_check_email(x, checkemail, 0, 0) 2150 ? "" : " NOT"); 2151 } 2152 2153 if (checkip) { 2154 BIO_printf(bio, "IP %s does%s match certificate\n", 2155 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT"); 2156 } 2157 } 2158 2159 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2160 { 2161 int i; 2162 2163 if (opts == NULL) 2164 return 1; 2165 2166 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2167 char *opt = sk_OPENSSL_STRING_value(opts, i); 2168 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2169 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2170 ERR_print_errors(bio_err); 2171 return 0; 2172 } 2173 } 2174 2175 return 1; 2176 } 2177 2178 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2179 { 2180 int i; 2181 2182 if (opts == NULL) 2183 return 1; 2184 2185 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2186 char *opt = sk_OPENSSL_STRING_value(opts, i); 2187 if (x509_ctrl_string(x, opt) <= 0) { 2188 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2189 ERR_print_errors(bio_err); 2190 return 0; 2191 } 2192 } 2193 2194 return 1; 2195 } 2196 2197 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2198 { 2199 int i; 2200 2201 if (opts == NULL) 2202 return 1; 2203 2204 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2205 char *opt = sk_OPENSSL_STRING_value(opts, i); 2206 if (x509_req_ctrl_string(x, opt) <= 0) { 2207 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2208 ERR_print_errors(bio_err); 2209 return 0; 2210 } 2211 } 2212 2213 return 1; 2214 } 2215 2216 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2217 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2218 { 2219 EVP_PKEY_CTX *pkctx = NULL; 2220 char def_md[80]; 2221 2222 if (ctx == NULL) 2223 return 0; 2224 /* 2225 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2226 * for this algorithm. 2227 */ 2228 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2229 && strcmp(def_md, "UNDEF") == 0) { 2230 /* The signing algorithm requires there to be no digest */ 2231 md = NULL; 2232 } 2233 2234 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2235 app_get0_propq(), pkey, NULL) 2236 && do_pkey_ctx_init(pkctx, sigopts); 2237 } 2238 2239 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2240 const char *name, const char *value, int add_default) 2241 { 2242 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2243 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2244 int idx, rv = 0; 2245 2246 if (new_ext == NULL) 2247 return rv; 2248 2249 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2250 if (idx >= 0) { 2251 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2252 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext); 2253 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */ 2254 2255 if (disabled) { 2256 X509_delete_ext(cert, idx); 2257 X509_EXTENSION_free(found_ext); 2258 } /* else keep existing key identifier, which might be outdated */ 2259 rv = 1; 2260 } else { 2261 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2262 } 2263 X509_EXTENSION_free(new_ext); 2264 return rv; 2265 } 2266 2267 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2268 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md, 2269 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2270 { 2271 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2272 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2273 int self_sign; 2274 int rv = 0; 2275 2276 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) { 2277 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */ 2278 if (!X509_set_version(cert, X509_VERSION_3)) 2279 goto end; 2280 2281 /* 2282 * Add default SKID before such that default AKID can make use of it 2283 * in case the certificate is self-signed 2284 */ 2285 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2286 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2287 goto end; 2288 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2289 ERR_set_mark(); 2290 self_sign = X509_check_private_key(cert, pkey); 2291 ERR_pop_to_mark(); 2292 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2293 "keyid, issuer", !self_sign)) 2294 goto end; 2295 } 2296 2297 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2298 rv = (X509_sign_ctx(cert, mctx) > 0); 2299 end: 2300 EVP_MD_CTX_free(mctx); 2301 return rv; 2302 } 2303 2304 /* Sign the certificate request info */ 2305 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, 2306 STACK_OF(OPENSSL_STRING) *sigopts) 2307 { 2308 int rv = 0; 2309 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2310 2311 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2312 rv = (X509_REQ_sign_ctx(x, mctx) > 0); 2313 EVP_MD_CTX_free(mctx); 2314 return rv; 2315 } 2316 2317 /* Sign the CRL info */ 2318 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2319 STACK_OF(OPENSSL_STRING) *sigopts) 2320 { 2321 int rv = 0; 2322 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2323 2324 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2325 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2326 EVP_MD_CTX_free(mctx); 2327 return rv; 2328 } 2329 2330 /* 2331 * do_X509_verify returns 1 if the signature is valid, 2332 * 0 if the signature check fails, or -1 if error occurs. 2333 */ 2334 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2335 { 2336 int rv = 0; 2337 2338 if (do_x509_init(x, vfyopts) > 0) 2339 rv = X509_verify(x, pkey); 2340 else 2341 rv = -1; 2342 return rv; 2343 } 2344 2345 /* 2346 * do_X509_REQ_verify returns 1 if the signature is valid, 2347 * 0 if the signature check fails, or -1 if error occurs. 2348 */ 2349 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2350 STACK_OF(OPENSSL_STRING) *vfyopts) 2351 { 2352 int rv = 0; 2353 2354 if (do_x509_req_init(x, vfyopts) > 0) 2355 rv = X509_REQ_verify_ex(x, pkey, 2356 app_get0_libctx(), app_get0_propq()); 2357 else 2358 rv = -1; 2359 return rv; 2360 } 2361 2362 /* Get first http URL from a DIST_POINT structure */ 2363 2364 static const char *get_dp_url(DIST_POINT *dp) 2365 { 2366 GENERAL_NAMES *gens; 2367 GENERAL_NAME *gen; 2368 int i, gtype; 2369 ASN1_STRING *uri; 2370 if (!dp->distpoint || dp->distpoint->type != 0) 2371 return NULL; 2372 gens = dp->distpoint->name.fullname; 2373 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2374 gen = sk_GENERAL_NAME_value(gens, i); 2375 uri = GENERAL_NAME_get0_value(gen, >ype); 2376 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2377 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2378 2379 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2380 return uptr; 2381 } 2382 } 2383 return NULL; 2384 } 2385 2386 /* 2387 * Look through a CRLDP structure and attempt to find an http URL to 2388 * downloads a CRL from. 2389 */ 2390 2391 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2392 { 2393 int i; 2394 const char *urlptr = NULL; 2395 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2396 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2397 urlptr = get_dp_url(dp); 2398 if (urlptr != NULL) 2399 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2400 } 2401 return NULL; 2402 } 2403 2404 /* 2405 * Example of downloading CRLs from CRLDP: 2406 * not usable for real world as it always downloads and doesn't cache anything. 2407 */ 2408 2409 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2410 const X509_NAME *nm) 2411 { 2412 X509 *x; 2413 STACK_OF(X509_CRL) *crls = NULL; 2414 X509_CRL *crl; 2415 STACK_OF(DIST_POINT) *crldp; 2416 2417 crls = sk_X509_CRL_new_null(); 2418 if (!crls) 2419 return NULL; 2420 x = X509_STORE_CTX_get_current_cert(ctx); 2421 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2422 crl = load_crl_crldp(crldp); 2423 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2424 if (!crl) { 2425 sk_X509_CRL_free(crls); 2426 return NULL; 2427 } 2428 sk_X509_CRL_push(crls, crl); 2429 /* Try to download delta CRL */ 2430 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2431 crl = load_crl_crldp(crldp); 2432 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2433 if (crl) 2434 sk_X509_CRL_push(crls, crl); 2435 return crls; 2436 } 2437 2438 void store_setup_crl_download(X509_STORE *st) 2439 { 2440 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2441 } 2442 2443 #ifndef OPENSSL_NO_SOCK 2444 static const char *tls_error_hint(void) 2445 { 2446 unsigned long err = ERR_peek_error(); 2447 2448 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2449 err = ERR_peek_last_error(); 2450 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2451 return NULL; 2452 2453 switch (ERR_GET_REASON(err)) { 2454 case SSL_R_WRONG_VERSION_NUMBER: 2455 return "The server does not support (a suitable version of) TLS"; 2456 case SSL_R_UNKNOWN_PROTOCOL: 2457 return "The server does not support HTTPS"; 2458 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2459 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2460 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2461 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2462 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2463 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2464 default: /* no error or no hint available for error */ 2465 return NULL; 2466 } 2467 } 2468 2469 /* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2470 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2471 { 2472 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2473 SSL_CTX *ssl_ctx = info->ssl_ctx; 2474 2475 if (ssl_ctx == NULL) /* not using TLS */ 2476 return bio; 2477 if (connect) { 2478 SSL *ssl; 2479 BIO *sbio = NULL; 2480 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2481 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2482 const char *host = vpm == NULL ? NULL : 2483 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2484 2485 /* adapt after fixing callback design flaw, see #17088 */ 2486 if ((info->use_proxy 2487 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2488 NULL, NULL, /* no proxy credentials */ 2489 info->timeout, bio_err, opt_getprog())) 2490 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2491 return NULL; 2492 } 2493 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) { 2494 BIO_free(sbio); 2495 return NULL; 2496 } 2497 2498 if (vpm != NULL) 2499 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2500 2501 SSL_set_connect_state(ssl); 2502 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2503 2504 bio = BIO_push(sbio, bio); 2505 } 2506 if (!connect) { 2507 const char *hint; 2508 BIO *cbio; 2509 2510 if (!detail) { /* disconnecting after error */ 2511 hint = tls_error_hint(); 2512 if (hint != NULL) 2513 ERR_add_error_data(2, " : ", hint); 2514 } 2515 if (ssl_ctx != NULL) { 2516 (void)ERR_set_mark(); 2517 BIO_ssl_shutdown(bio); 2518 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2519 BIO_free(bio); /* SSL BIO */ 2520 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2521 bio = cbio; 2522 } 2523 } 2524 return bio; 2525 } 2526 2527 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2528 { 2529 if (info != NULL) { 2530 SSL_CTX_free(info->ssl_ctx); 2531 OPENSSL_free(info); 2532 } 2533 } 2534 2535 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2536 const char *no_proxy, SSL_CTX *ssl_ctx, 2537 const STACK_OF(CONF_VALUE) *headers, 2538 long timeout, const char *expected_content_type, 2539 const ASN1_ITEM *it) 2540 { 2541 APP_HTTP_TLS_INFO info; 2542 char *server; 2543 char *port; 2544 int use_ssl; 2545 BIO *mem; 2546 ASN1_VALUE *resp = NULL; 2547 2548 if (url == NULL || it == NULL) { 2549 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2550 return NULL; 2551 } 2552 2553 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2554 NULL /* port_num, */, NULL, NULL, NULL)) 2555 return NULL; 2556 if (use_ssl && ssl_ctx == NULL) { 2557 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2558 "missing SSL_CTX"); 2559 goto end; 2560 } 2561 if (!use_ssl && ssl_ctx != NULL) { 2562 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2563 "SSL_CTX given but use_ssl == 0"); 2564 goto end; 2565 } 2566 2567 info.server = server; 2568 info.port = port; 2569 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2570 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2571 info.timeout = timeout; 2572 info.ssl_ctx = ssl_ctx; 2573 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2574 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2575 expected_content_type, 1 /* expect_asn1 */, 2576 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2577 resp = ASN1_item_d2i_bio(it, mem, NULL); 2578 BIO_free(mem); 2579 2580 end: 2581 OPENSSL_free(server); 2582 OPENSSL_free(port); 2583 return resp; 2584 2585 } 2586 2587 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2588 const char *path, const char *proxy, 2589 const char *no_proxy, SSL_CTX *ssl_ctx, 2590 const STACK_OF(CONF_VALUE) *headers, 2591 const char *content_type, 2592 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2593 const char *expected_content_type, 2594 long timeout, const ASN1_ITEM *rsp_it) 2595 { 2596 int use_ssl = ssl_ctx != NULL; 2597 APP_HTTP_TLS_INFO info; 2598 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2599 ASN1_VALUE *res; 2600 2601 if (req_mem == NULL) 2602 return NULL; 2603 2604 info.server = host; 2605 info.port = port; 2606 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2607 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2608 info.timeout = timeout; 2609 info.ssl_ctx = ssl_ctx; 2610 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2611 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2612 app_http_tls_cb, &info, 2613 0 /* buf_size */, headers, content_type, req_mem, 2614 expected_content_type, 1 /* expect_asn1 */, 2615 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2616 0 /* keep_alive */); 2617 BIO_free(req_mem); 2618 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2619 BIO_free(rsp); 2620 return res; 2621 } 2622 2623 #endif 2624 2625 /* 2626 * Platform-specific sections 2627 */ 2628 #if defined(_WIN32) 2629 # ifdef fileno 2630 # undef fileno 2631 # define fileno(a) (int)_fileno(a) 2632 # endif 2633 2634 # include <windows.h> 2635 # include <tchar.h> 2636 2637 static int WIN32_rename(const char *from, const char *to) 2638 { 2639 TCHAR *tfrom = NULL, *tto; 2640 DWORD err; 2641 int ret = 0; 2642 2643 if (sizeof(TCHAR) == 1) { 2644 tfrom = (TCHAR *)from; 2645 tto = (TCHAR *)to; 2646 } else { /* UNICODE path */ 2647 2648 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2649 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2650 if (tfrom == NULL) 2651 goto err; 2652 tto = tfrom + flen; 2653 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101 2654 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2655 # endif 2656 for (i = 0; i < flen; i++) 2657 tfrom[i] = (TCHAR)from[i]; 2658 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101 2659 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2660 # endif 2661 for (i = 0; i < tlen; i++) 2662 tto[i] = (TCHAR)to[i]; 2663 } 2664 2665 if (MoveFile(tfrom, tto)) 2666 goto ok; 2667 err = GetLastError(); 2668 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2669 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2670 goto ok; 2671 err = GetLastError(); 2672 } 2673 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2674 errno = ENOENT; 2675 else if (err == ERROR_ACCESS_DENIED) 2676 errno = EACCES; 2677 else 2678 errno = EINVAL; /* we could map more codes... */ 2679 err: 2680 ret = -1; 2681 ok: 2682 if (tfrom != NULL && tfrom != (TCHAR *)from) 2683 free(tfrom); 2684 return ret; 2685 } 2686 #endif 2687 2688 /* app_tminterval section */ 2689 #if defined(_WIN32) 2690 double app_tminterval(int stop, int usertime) 2691 { 2692 FILETIME now; 2693 double ret = 0; 2694 static ULARGE_INTEGER tmstart; 2695 static int warning = 1; 2696 # ifdef _WIN32_WINNT 2697 static HANDLE proc = NULL; 2698 2699 if (proc == NULL) { 2700 if (check_winnt()) 2701 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2702 GetCurrentProcessId()); 2703 if (proc == NULL) 2704 proc = (HANDLE) - 1; 2705 } 2706 2707 if (usertime && proc != (HANDLE) - 1) { 2708 FILETIME junk; 2709 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2710 } else 2711 # endif 2712 { 2713 SYSTEMTIME systime; 2714 2715 if (usertime && warning) { 2716 BIO_printf(bio_err, "To get meaningful results, run " 2717 "this program on idle system.\n"); 2718 warning = 0; 2719 } 2720 GetSystemTime(&systime); 2721 SystemTimeToFileTime(&systime, &now); 2722 } 2723 2724 if (stop == TM_START) { 2725 tmstart.u.LowPart = now.dwLowDateTime; 2726 tmstart.u.HighPart = now.dwHighDateTime; 2727 } else { 2728 ULARGE_INTEGER tmstop; 2729 2730 tmstop.u.LowPart = now.dwLowDateTime; 2731 tmstop.u.HighPart = now.dwHighDateTime; 2732 2733 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2734 } 2735 2736 return ret; 2737 } 2738 #elif defined(OPENSSL_SYS_VXWORKS) 2739 # include <time.h> 2740 2741 double app_tminterval(int stop, int usertime) 2742 { 2743 double ret = 0; 2744 # ifdef CLOCK_REALTIME 2745 static struct timespec tmstart; 2746 struct timespec now; 2747 # else 2748 static unsigned long tmstart; 2749 unsigned long now; 2750 # endif 2751 static int warning = 1; 2752 2753 if (usertime && warning) { 2754 BIO_printf(bio_err, "To get meaningful results, run " 2755 "this program on idle system.\n"); 2756 warning = 0; 2757 } 2758 # ifdef CLOCK_REALTIME 2759 clock_gettime(CLOCK_REALTIME, &now); 2760 if (stop == TM_START) 2761 tmstart = now; 2762 else 2763 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2764 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2765 # else 2766 now = tickGet(); 2767 if (stop == TM_START) 2768 tmstart = now; 2769 else 2770 ret = (now - tmstart) / (double)sysClkRateGet(); 2771 # endif 2772 return ret; 2773 } 2774 2775 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2776 # include <sys/times.h> 2777 2778 double app_tminterval(int stop, int usertime) 2779 { 2780 double ret = 0; 2781 struct tms rus; 2782 clock_t now = times(&rus); 2783 static clock_t tmstart; 2784 2785 if (usertime) 2786 now = rus.tms_utime; 2787 2788 if (stop == TM_START) { 2789 tmstart = now; 2790 } else { 2791 long int tck = sysconf(_SC_CLK_TCK); 2792 ret = (now - tmstart) / (double)tck; 2793 } 2794 2795 return ret; 2796 } 2797 2798 #else 2799 # include <sys/time.h> 2800 # include <sys/resource.h> 2801 2802 double app_tminterval(int stop, int usertime) 2803 { 2804 double ret = 0; 2805 struct rusage rus; 2806 struct timeval now; 2807 static struct timeval tmstart; 2808 2809 if (usertime) 2810 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2811 else 2812 gettimeofday(&now, NULL); 2813 2814 if (stop == TM_START) 2815 tmstart = now; 2816 else 2817 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2818 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2819 2820 return ret; 2821 } 2822 #endif 2823 2824 int app_access(const char* name, int flag) 2825 { 2826 #ifdef _WIN32 2827 return _access(name, flag); 2828 #else 2829 return access(name, flag); 2830 #endif 2831 } 2832 2833 int app_isdir(const char *name) 2834 { 2835 return opt_isdir(name); 2836 } 2837 2838 /* raw_read|write section */ 2839 #if defined(__VMS) 2840 # include "vms_term_sock.h" 2841 static int stdin_sock = -1; 2842 2843 static void close_stdin_sock(void) 2844 { 2845 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock); 2846 } 2847 2848 int fileno_stdin(void) 2849 { 2850 if (stdin_sock == -1) { 2851 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2852 atexit(close_stdin_sock); 2853 } 2854 2855 return stdin_sock; 2856 } 2857 #else 2858 int fileno_stdin(void) 2859 { 2860 return fileno(stdin); 2861 } 2862 #endif 2863 2864 int fileno_stdout(void) 2865 { 2866 return fileno(stdout); 2867 } 2868 2869 #if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2870 int raw_read_stdin(void *buf, int siz) 2871 { 2872 DWORD n; 2873 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2874 return n; 2875 else 2876 return -1; 2877 } 2878 #elif defined(__VMS) 2879 # include <sys/socket.h> 2880 2881 int raw_read_stdin(void *buf, int siz) 2882 { 2883 return recv(fileno_stdin(), buf, siz, 0); 2884 } 2885 #else 2886 # if defined(__TANDEM) 2887 # if defined(OPENSSL_TANDEM_FLOSS) 2888 # include <floss.h(floss_read)> 2889 # endif 2890 # endif 2891 int raw_read_stdin(void *buf, int siz) 2892 { 2893 return read(fileno_stdin(), buf, siz); 2894 } 2895 #endif 2896 2897 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 2898 int raw_write_stdout(const void *buf, int siz) 2899 { 2900 DWORD n; 2901 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 2902 return n; 2903 else 2904 return -1; 2905 } 2906 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_) 2907 # if defined(__TANDEM) 2908 # if defined(OPENSSL_TANDEM_FLOSS) 2909 # include <floss.h(floss_write)> 2910 # endif 2911 # endif 2912 int raw_write_stdout(const void *buf,int siz) 2913 { 2914 return write(fileno(stdout),(void*)buf,siz); 2915 } 2916 #else 2917 # if defined(__TANDEM) 2918 # if defined(OPENSSL_TANDEM_FLOSS) 2919 # include <floss.h(floss_write)> 2920 # endif 2921 # endif 2922 int raw_write_stdout(const void *buf, int siz) 2923 { 2924 return write(fileno_stdout(), buf, siz); 2925 } 2926 #endif 2927 2928 /* 2929 * Centralized handling of input and output files with format specification 2930 * The format is meant to show what the input and output is supposed to be, 2931 * and is therefore a show of intent more than anything else. However, it 2932 * does impact behavior on some platforms, such as differentiating between 2933 * text and binary input/output on non-Unix platforms 2934 */ 2935 BIO *dup_bio_in(int format) 2936 { 2937 return BIO_new_fp(stdin, 2938 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2939 } 2940 2941 BIO *dup_bio_out(int format) 2942 { 2943 BIO *b = BIO_new_fp(stdout, 2944 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2945 void *prefix = NULL; 2946 2947 if (b == NULL) 2948 return NULL; 2949 2950 #ifdef OPENSSL_SYS_VMS 2951 if (FMT_istext(format)) 2952 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 2953 #endif 2954 2955 if (FMT_istext(format) 2956 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 2957 b = BIO_push(BIO_new(BIO_f_prefix()), b); 2958 BIO_set_prefix(b, prefix); 2959 } 2960 2961 return b; 2962 } 2963 2964 BIO *dup_bio_err(int format) 2965 { 2966 BIO *b = BIO_new_fp(stderr, 2967 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2968 #ifdef OPENSSL_SYS_VMS 2969 if (b != NULL && FMT_istext(format)) 2970 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 2971 #endif 2972 return b; 2973 } 2974 2975 void unbuffer(FILE *fp) 2976 { 2977 /* 2978 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 2979 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 2980 * However, we trust that the C RTL will never give us a FILE pointer 2981 * above the first 4 GB of memory, so we simply turn off the warning 2982 * temporarily. 2983 */ 2984 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 2985 # pragma environment save 2986 # pragma message disable maylosedata2 2987 #endif 2988 setbuf(fp, NULL); 2989 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 2990 # pragma environment restore 2991 #endif 2992 } 2993 2994 static const char *modestr(char mode, int format) 2995 { 2996 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 2997 2998 switch (mode) { 2999 case 'a': 3000 return FMT_istext(format) ? "a" : "ab"; 3001 case 'r': 3002 return FMT_istext(format) ? "r" : "rb"; 3003 case 'w': 3004 return FMT_istext(format) ? "w" : "wb"; 3005 } 3006 /* The assert above should make sure we never reach this point */ 3007 return NULL; 3008 } 3009 3010 static const char *modeverb(char mode) 3011 { 3012 switch (mode) { 3013 case 'a': 3014 return "appending"; 3015 case 'r': 3016 return "reading"; 3017 case 'w': 3018 return "writing"; 3019 } 3020 return "(doing something)"; 3021 } 3022 3023 /* 3024 * Open a file for writing, owner-read-only. 3025 */ 3026 BIO *bio_open_owner(const char *filename, int format, int private) 3027 { 3028 FILE *fp = NULL; 3029 BIO *b = NULL; 3030 int textmode, bflags; 3031 #ifndef OPENSSL_NO_POSIX_IO 3032 int fd = -1, mode; 3033 #endif 3034 3035 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3036 return bio_open_default(filename, 'w', format); 3037 3038 textmode = FMT_istext(format); 3039 #ifndef OPENSSL_NO_POSIX_IO 3040 mode = O_WRONLY; 3041 # ifdef O_CREAT 3042 mode |= O_CREAT; 3043 # endif 3044 # ifdef O_TRUNC 3045 mode |= O_TRUNC; 3046 # endif 3047 if (!textmode) { 3048 # ifdef O_BINARY 3049 mode |= O_BINARY; 3050 # elif defined(_O_BINARY) 3051 mode |= _O_BINARY; 3052 # endif 3053 } 3054 3055 # ifdef OPENSSL_SYS_VMS 3056 /* VMS doesn't have O_BINARY, it just doesn't make sense. But, 3057 * it still needs to know that we're going binary, or fdopen() 3058 * will fail with "invalid argument"... so we tell VMS what the 3059 * context is. 3060 */ 3061 if (!textmode) 3062 fd = open(filename, mode, 0600, "ctx=bin"); 3063 else 3064 # endif 3065 fd = open(filename, mode, 0600); 3066 if (fd < 0) 3067 goto err; 3068 fp = fdopen(fd, modestr('w', format)); 3069 #else /* OPENSSL_NO_POSIX_IO */ 3070 /* Have stdio but not Posix IO, do the best we can */ 3071 fp = fopen(filename, modestr('w', format)); 3072 #endif /* OPENSSL_NO_POSIX_IO */ 3073 if (fp == NULL) 3074 goto err; 3075 bflags = BIO_CLOSE; 3076 if (textmode) 3077 bflags |= BIO_FP_TEXT; 3078 b = BIO_new_fp(fp, bflags); 3079 if (b != NULL) 3080 return b; 3081 3082 err: 3083 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3084 opt_getprog(), filename, strerror(errno)); 3085 ERR_print_errors(bio_err); 3086 /* If we have fp, then fdopen took over fd, so don't close both. */ 3087 if (fp != NULL) 3088 fclose(fp); 3089 #ifndef OPENSSL_NO_POSIX_IO 3090 else if (fd >= 0) 3091 close(fd); 3092 #endif 3093 return NULL; 3094 } 3095 3096 static BIO *bio_open_default_(const char *filename, char mode, int format, 3097 int quiet) 3098 { 3099 BIO *ret; 3100 3101 if (filename == NULL || strcmp(filename, "-") == 0) { 3102 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format); 3103 if (quiet) { 3104 ERR_clear_error(); 3105 return ret; 3106 } 3107 if (ret != NULL) 3108 return ret; 3109 BIO_printf(bio_err, 3110 "Can't open %s, %s\n", 3111 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3112 } else { 3113 ret = BIO_new_file(filename, modestr(mode, format)); 3114 if (quiet) { 3115 ERR_clear_error(); 3116 return ret; 3117 } 3118 if (ret != NULL) 3119 return ret; 3120 BIO_printf(bio_err, 3121 "Can't open \"%s\" for %s, %s\n", 3122 filename, modeverb(mode), strerror(errno)); 3123 } 3124 ERR_print_errors(bio_err); 3125 return NULL; 3126 } 3127 3128 BIO *bio_open_default(const char *filename, char mode, int format) 3129 { 3130 return bio_open_default_(filename, mode, format, 0); 3131 } 3132 3133 BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3134 { 3135 return bio_open_default_(filename, mode, format, 1); 3136 } 3137 3138 void wait_for_async(SSL *s) 3139 { 3140 /* On Windows select only works for sockets, so we simply don't wait */ 3141 #ifndef OPENSSL_SYS_WINDOWS 3142 int width = 0; 3143 fd_set asyncfds; 3144 OSSL_ASYNC_FD *fds; 3145 size_t numfds; 3146 size_t i; 3147 3148 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3149 return; 3150 if (numfds == 0) 3151 return; 3152 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3153 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3154 OPENSSL_free(fds); 3155 return; 3156 } 3157 3158 FD_ZERO(&asyncfds); 3159 for (i = 0; i < numfds; i++) { 3160 if (width <= (int)fds[i]) 3161 width = (int)fds[i] + 1; 3162 openssl_fdset((int)fds[i], &asyncfds); 3163 } 3164 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3165 OPENSSL_free(fds); 3166 #endif 3167 } 3168 3169 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3170 #if defined(OPENSSL_SYS_MSDOS) 3171 int has_stdin_waiting(void) 3172 { 3173 # if defined(OPENSSL_SYS_WINDOWS) 3174 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3175 DWORD events = 0; 3176 INPUT_RECORD inputrec; 3177 DWORD insize = 1; 3178 BOOL peeked; 3179 3180 if (inhand == INVALID_HANDLE_VALUE) { 3181 return 0; 3182 } 3183 3184 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3185 if (!peeked) { 3186 /* Probably redirected input? _kbhit() does not work in this case */ 3187 if (!feof(stdin)) { 3188 return 1; 3189 } 3190 return 0; 3191 } 3192 # endif 3193 return _kbhit(); 3194 } 3195 #endif 3196 3197 /* Corrupt a signature by modifying final byte */ 3198 void corrupt_signature(const ASN1_STRING *signature) 3199 { 3200 unsigned char *s = signature->data; 3201 s[signature->length - 1] ^= 0x1; 3202 } 3203 3204 int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3205 int days) 3206 { 3207 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3208 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) 3209 return 0; 3210 } else { 3211 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) 3212 return 0; 3213 } 3214 if (enddate == NULL) { 3215 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) 3216 == NULL) 3217 return 0; 3218 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3219 return 0; 3220 } 3221 return 1; 3222 } 3223 3224 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3225 { 3226 int ret = 0; 3227 ASN1_TIME *tm = ASN1_TIME_new(); 3228 3229 if (tm == NULL) 3230 goto end; 3231 3232 if (lastupdate == NULL) { 3233 if (X509_gmtime_adj(tm, 0) == NULL) 3234 goto end; 3235 } else { 3236 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3237 goto end; 3238 } 3239 3240 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3241 goto end; 3242 3243 ret = 1; 3244 end: 3245 ASN1_TIME_free(tm); 3246 return ret; 3247 } 3248 3249 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3250 long days, long hours, long secs) 3251 { 3252 int ret = 0; 3253 ASN1_TIME *tm = ASN1_TIME_new(); 3254 3255 if (tm == NULL) 3256 goto end; 3257 3258 if (nextupdate == NULL) { 3259 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3260 goto end; 3261 } else { 3262 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3263 goto end; 3264 } 3265 3266 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3267 goto end; 3268 3269 ret = 1; 3270 end: 3271 ASN1_TIME_free(tm); 3272 return ret; 3273 } 3274 3275 void make_uppercase(char *string) 3276 { 3277 int i; 3278 3279 for (i = 0; string[i] != '\0'; i++) 3280 string[i] = toupper((unsigned char)string[i]); 3281 } 3282 3283 /* This function is defined here due to visibility of bio_err */ 3284 int opt_printf_stderr(const char *fmt, ...) 3285 { 3286 va_list ap; 3287 int ret; 3288 3289 va_start(ap, fmt); 3290 ret = BIO_vprintf(bio_err, fmt, ap); 3291 va_end(ap); 3292 return ret; 3293 } 3294 3295 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3296 const OSSL_PARAM *paramdefs) 3297 { 3298 OSSL_PARAM *params = NULL; 3299 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3300 size_t params_n; 3301 char *opt = "", *stmp, *vtmp = NULL; 3302 int found = 1; 3303 3304 if (opts == NULL) 3305 return NULL; 3306 3307 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3308 if (params == NULL) 3309 return NULL; 3310 3311 for (params_n = 0; params_n < sz; params_n++) { 3312 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3313 if ((stmp = OPENSSL_strdup(opt)) == NULL 3314 || (vtmp = strchr(stmp, ':')) == NULL) 3315 goto err; 3316 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3317 *vtmp = 0; 3318 /* Skip over the separator so that vmtp points to the value */ 3319 vtmp++; 3320 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3321 stmp, vtmp, strlen(vtmp), &found)) 3322 goto err; 3323 OPENSSL_free(stmp); 3324 } 3325 params[params_n] = OSSL_PARAM_construct_end(); 3326 return params; 3327 err: 3328 OPENSSL_free(stmp); 3329 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3330 opt); 3331 ERR_print_errors(bio_err); 3332 app_params_free(params); 3333 return NULL; 3334 } 3335 3336 void app_params_free(OSSL_PARAM *params) 3337 { 3338 int i; 3339 3340 if (params != NULL) { 3341 for (i = 0; params[i].key != NULL; ++i) 3342 OPENSSL_free(params[i].data); 3343 OPENSSL_free(params); 3344 } 3345 } 3346 3347 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3348 { 3349 EVP_PKEY *res = NULL; 3350 3351 if (verbose && alg != NULL) { 3352 BIO_printf(bio_err, "Generating %s key", alg); 3353 if (bits > 0) 3354 BIO_printf(bio_err, " with %d bits\n", bits); 3355 else 3356 BIO_printf(bio_err, "\n"); 3357 } 3358 if (!RAND_status()) 3359 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3360 "if the system has a poor entropy source\n"); 3361 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3362 app_bail_out("%s: Error generating %s key\n", opt_getprog(), 3363 alg != NULL ? alg : "asymmetric"); 3364 return res; 3365 } 3366 3367 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3368 { 3369 EVP_PKEY *res = NULL; 3370 3371 if (!RAND_status()) 3372 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3373 "if the system has a poor entropy source\n"); 3374 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3375 app_bail_out("%s: Generating %s key parameters failed\n", 3376 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3377 return res; 3378 } 3379 3380 /* 3381 * Return non-zero if the legacy path is still an option. 3382 * This decision is based on the global command line operations and the 3383 * behaviour thus far. 3384 */ 3385 int opt_legacy_okay(void) 3386 { 3387 int provider_options = opt_provider_option_given(); 3388 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3389 /* 3390 * Having a provider option specified or a custom library context or 3391 * property query, is a sure sign we're not using legacy. 3392 */ 3393 if (provider_options || libctx) 3394 return 0; 3395 return 1; 3396 } 3397