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 BIO_printf(bio_err, "Could not open file or uri for loading"); 965 goto end; 966 } 967 if (expect > 0 && !OSSL_STORE_expect(ctx, expect)) { 968 BIO_printf(bio_err, "Internal error trying to load"); 969 goto end; 970 } 971 972 failed = NULL; 973 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) { 974 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); 975 int type, ok = 1; 976 977 /* 978 * This can happen (for example) if we attempt to load a file with 979 * multiple different types of things in it - but the thing we just 980 * tried to load wasn't one of the ones we wanted, e.g. if we're trying 981 * to load a certificate but the file has both the private key and the 982 * certificate in it. We just retry until eof. 983 */ 984 if (info == NULL) { 985 continue; 986 } 987 988 type = OSSL_STORE_INFO_get_type(info); 989 switch (type) { 990 case OSSL_STORE_INFO_PKEY: 991 if (ppkey != NULL && *ppkey == NULL) { 992 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; 993 cnt_expectations -= ok; 994 } 995 /* 996 * An EVP_PKEY with private parts also holds the public parts, 997 * so if the caller asked for a public key, and we got a private 998 * key, we can still pass it back. 999 */ 1000 if (ok && ppubkey != NULL && *ppubkey == NULL) { 1001 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL); 1002 cnt_expectations -= ok; 1003 } 1004 break; 1005 case OSSL_STORE_INFO_PUBKEY: 1006 if (ppubkey != NULL && *ppubkey == NULL) { 1007 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL); 1008 cnt_expectations -= ok; 1009 } 1010 break; 1011 case OSSL_STORE_INFO_PARAMS: 1012 if (pparams != NULL && *pparams == NULL) { 1013 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL); 1014 cnt_expectations -= ok; 1015 } 1016 break; 1017 case OSSL_STORE_INFO_CERT: 1018 if (pcert != NULL && *pcert == NULL) { 1019 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; 1020 cnt_expectations -= ok; 1021 } 1022 else if (pcerts != NULL) 1023 ok = X509_add_cert(*pcerts, 1024 OSSL_STORE_INFO_get1_CERT(info), 1025 X509_ADD_FLAG_DEFAULT); 1026 ncerts += ok; 1027 break; 1028 case OSSL_STORE_INFO_CRL: 1029 if (pcrl != NULL && *pcrl == NULL) { 1030 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1031 cnt_expectations -= ok; 1032 } 1033 else if (pcrls != NULL) 1034 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); 1035 ncrls += ok; 1036 break; 1037 default: 1038 /* skip any other type */ 1039 break; 1040 } 1041 OSSL_STORE_INFO_free(info); 1042 if (!ok) { 1043 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type); 1044 BIO_printf(bio_err, "Error reading"); 1045 break; 1046 } 1047 } 1048 1049 end: 1050 OSSL_STORE_close(ctx); 1051 if (failed == NULL) { 1052 int any = 0; 1053 1054 if ((ppkey != NULL && *ppkey == NULL) 1055 || (ppubkey != NULL && *ppubkey == NULL)) { 1056 failed = "key"; 1057 } else if (pparams != NULL && *pparams == NULL) { 1058 failed = "params"; 1059 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) { 1060 if (pcert == NULL) 1061 any = 1; 1062 failed = "cert"; 1063 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) { 1064 if (pcrl == NULL) 1065 any = 1; 1066 failed = "CRL"; 1067 } 1068 if (!suppress_decode_errors) { 1069 if (failed != NULL) 1070 BIO_printf(bio_err, "Could not read"); 1071 if (any) 1072 BIO_printf(bio_err, " any"); 1073 } 1074 } 1075 if (!suppress_decode_errors && failed != NULL) { 1076 if (desc != NULL && strstr(desc, failed) != NULL) { 1077 BIO_printf(bio_err, " %s", desc); 1078 } else { 1079 BIO_printf(bio_err, " %s", failed); 1080 if (desc != NULL) 1081 BIO_printf(bio_err, " of %s", desc); 1082 } 1083 if (uri != NULL) 1084 BIO_printf(bio_err, " from %s", uri); 1085 BIO_printf(bio_err, "\n"); 1086 ERR_print_errors(bio_err); 1087 } 1088 if (suppress_decode_errors || failed == NULL) 1089 /* clear any spurious errors */ 1090 ERR_clear_error(); 1091 return failed == NULL; 1092 } 1093 1094 int load_key_certs_crls(const char *uri, int format, int maybe_stdin, 1095 const char *pass, const char *desc, 1096 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 1097 EVP_PKEY **pparams, 1098 X509 **pcert, STACK_OF(X509) **pcerts, 1099 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) 1100 { 1101 return load_key_certs_crls_suppress(uri, format, maybe_stdin, pass, desc, 1102 ppkey, ppubkey, pparams, pcert, pcerts, 1103 pcrl, pcrls, 0); 1104 } 1105 1106 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1107 /* Return error for unknown extensions */ 1108 #define X509V3_EXT_DEFAULT 0 1109 /* Print error for unknown extensions */ 1110 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) 1111 /* ASN1 parse unknown extensions */ 1112 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) 1113 /* BIO_dump unknown extensions */ 1114 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) 1115 1116 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \ 1117 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1118 1119 int set_cert_ex(unsigned long *flags, const char *arg) 1120 { 1121 static const NAME_EX_TBL cert_tbl[] = { 1122 {"compatible", X509_FLAG_COMPAT, 0xffffffffl}, 1123 {"ca_default", X509_FLAG_CA, 0xffffffffl}, 1124 {"no_header", X509_FLAG_NO_HEADER, 0}, 1125 {"no_version", X509_FLAG_NO_VERSION, 0}, 1126 {"no_serial", X509_FLAG_NO_SERIAL, 0}, 1127 {"no_signame", X509_FLAG_NO_SIGNAME, 0}, 1128 {"no_validity", X509_FLAG_NO_VALIDITY, 0}, 1129 {"no_subject", X509_FLAG_NO_SUBJECT, 0}, 1130 {"no_issuer", X509_FLAG_NO_ISSUER, 0}, 1131 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0}, 1132 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0}, 1133 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0}, 1134 {"no_aux", X509_FLAG_NO_AUX, 0}, 1135 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0}, 1136 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK}, 1137 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1138 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1139 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1140 {NULL, 0, 0} 1141 }; 1142 return set_multi_opts(flags, arg, cert_tbl); 1143 } 1144 1145 int set_name_ex(unsigned long *flags, const char *arg) 1146 { 1147 static const NAME_EX_TBL ex_tbl[] = { 1148 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0}, 1149 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0}, 1150 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0}, 1151 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0}, 1152 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0}, 1153 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0}, 1154 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0}, 1155 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0}, 1156 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0}, 1157 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0}, 1158 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0}, 1159 {"compat", XN_FLAG_COMPAT, 0xffffffffL}, 1160 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK}, 1161 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK}, 1162 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK}, 1163 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK}, 1164 {"dn_rev", XN_FLAG_DN_REV, 0}, 1165 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK}, 1166 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK}, 1167 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK}, 1168 {"align", XN_FLAG_FN_ALIGN, 0}, 1169 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK}, 1170 {"space_eq", XN_FLAG_SPC_EQ, 0}, 1171 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0}, 1172 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL}, 1173 {"oneline", XN_FLAG_ONELINE, 0xffffffffL}, 1174 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL}, 1175 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL}, 1176 {NULL, 0, 0} 1177 }; 1178 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1179 return 0; 1180 if (*flags != XN_FLAG_COMPAT 1181 && (*flags & XN_FLAG_SEP_MASK) == 0) 1182 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1183 return 1; 1184 } 1185 1186 int set_dateopt(unsigned long *dateopt, const char *arg) 1187 { 1188 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1189 *dateopt = ASN1_DTFLGS_RFC822; 1190 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1191 *dateopt = ASN1_DTFLGS_ISO8601; 1192 else 1193 return 0; 1194 return 1; 1195 } 1196 1197 int set_ext_copy(int *copy_type, const char *arg) 1198 { 1199 if (OPENSSL_strcasecmp(arg, "none") == 0) 1200 *copy_type = EXT_COPY_NONE; 1201 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1202 *copy_type = EXT_COPY_ADD; 1203 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1204 *copy_type = EXT_COPY_ALL; 1205 else 1206 return 0; 1207 return 1; 1208 } 1209 1210 int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1211 { 1212 STACK_OF(X509_EXTENSION) *exts; 1213 int i, ret = 0; 1214 1215 if (x == NULL || req == NULL) 1216 return 0; 1217 if (copy_type == EXT_COPY_NONE) 1218 return 1; 1219 exts = X509_REQ_get_extensions(req); 1220 1221 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1222 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1223 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1224 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1225 1226 /* Does extension exist in target? */ 1227 if (idx != -1) { 1228 /* If normal copy don't override existing extension */ 1229 if (copy_type == EXT_COPY_ADD) 1230 continue; 1231 /* Delete all extensions of same type */ 1232 do { 1233 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1234 idx = X509_get_ext_by_OBJ(x, obj, -1); 1235 } while (idx != -1); 1236 } 1237 if (!X509_add_ext(x, ext, -1)) 1238 goto end; 1239 } 1240 ret = 1; 1241 1242 end: 1243 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1244 return ret; 1245 } 1246 1247 static int set_multi_opts(unsigned long *flags, const char *arg, 1248 const NAME_EX_TBL * in_tbl) 1249 { 1250 STACK_OF(CONF_VALUE) *vals; 1251 CONF_VALUE *val; 1252 int i, ret = 1; 1253 if (!arg) 1254 return 0; 1255 vals = X509V3_parse_list(arg); 1256 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1257 val = sk_CONF_VALUE_value(vals, i); 1258 if (!set_table_opts(flags, val->name, in_tbl)) 1259 ret = 0; 1260 } 1261 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1262 return ret; 1263 } 1264 1265 static int set_table_opts(unsigned long *flags, const char *arg, 1266 const NAME_EX_TBL * in_tbl) 1267 { 1268 char c; 1269 const NAME_EX_TBL *ptbl; 1270 c = arg[0]; 1271 1272 if (c == '-') { 1273 c = 0; 1274 arg++; 1275 } else if (c == '+') { 1276 c = 1; 1277 arg++; 1278 } else { 1279 c = 1; 1280 } 1281 1282 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1283 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1284 *flags &= ~ptbl->mask; 1285 if (c) 1286 *flags |= ptbl->flag; 1287 else 1288 *flags &= ~ptbl->flag; 1289 return 1; 1290 } 1291 } 1292 return 0; 1293 } 1294 1295 void print_name(BIO *out, const char *title, const X509_NAME *nm) 1296 { 1297 char *buf; 1298 char mline = 0; 1299 int indent = 0; 1300 unsigned long lflags = get_nameopt(); 1301 1302 if (out == NULL) 1303 return; 1304 if (title != NULL) 1305 BIO_puts(out, title); 1306 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1307 mline = 1; 1308 indent = 4; 1309 } 1310 if (lflags == XN_FLAG_COMPAT) { 1311 buf = X509_NAME_oneline(nm, 0, 0); 1312 BIO_puts(out, buf); 1313 BIO_puts(out, "\n"); 1314 OPENSSL_free(buf); 1315 } else { 1316 if (mline) 1317 BIO_puts(out, "\n"); 1318 X509_NAME_print_ex(out, nm, indent, lflags); 1319 BIO_puts(out, "\n"); 1320 } 1321 } 1322 1323 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1324 int len, unsigned char *buffer) 1325 { 1326 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1327 if (BN_is_zero(in)) { 1328 BIO_printf(out, "\n 0x00"); 1329 } else { 1330 int i, l; 1331 1332 l = BN_bn2bin(in, buffer); 1333 for (i = 0; i < l; i++) { 1334 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1335 if (i < l - 1) 1336 BIO_printf(out, "0x%02X,", buffer[i]); 1337 else 1338 BIO_printf(out, "0x%02X", buffer[i]); 1339 } 1340 } 1341 BIO_printf(out, "\n };\n"); 1342 } 1343 1344 void print_array(BIO *out, const char* title, int len, const unsigned char* d) 1345 { 1346 int i; 1347 1348 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1349 for (i = 0; i < len; i++) { 1350 if ((i % 10) == 0) 1351 BIO_printf(out, "\n "); 1352 if (i < len - 1) 1353 BIO_printf(out, "0x%02X, ", d[i]); 1354 else 1355 BIO_printf(out, "0x%02X", d[i]); 1356 } 1357 BIO_printf(out, "\n};\n"); 1358 } 1359 1360 X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1361 const char *CApath, int noCApath, 1362 const char *CAstore, int noCAstore) 1363 { 1364 X509_STORE *store = X509_STORE_new(); 1365 X509_LOOKUP *lookup; 1366 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1367 const char *propq = app_get0_propq(); 1368 1369 if (store == NULL) 1370 goto end; 1371 1372 if (CAfile != NULL || !noCAfile) { 1373 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1374 if (lookup == NULL) 1375 goto end; 1376 if (CAfile != NULL) { 1377 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1378 libctx, propq) <= 0) { 1379 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1380 goto end; 1381 } 1382 } else { 1383 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1384 libctx, propq); 1385 } 1386 } 1387 1388 if (CApath != NULL || !noCApath) { 1389 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1390 if (lookup == NULL) 1391 goto end; 1392 if (CApath != NULL) { 1393 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1394 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1395 goto end; 1396 } 1397 } else { 1398 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1399 } 1400 } 1401 1402 if (CAstore != NULL || !noCAstore) { 1403 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1404 if (lookup == NULL) 1405 goto end; 1406 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1407 if (CAstore != NULL) 1408 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1409 goto end; 1410 } 1411 } 1412 1413 ERR_clear_error(); 1414 return store; 1415 end: 1416 ERR_print_errors(bio_err); 1417 X509_STORE_free(store); 1418 return NULL; 1419 } 1420 1421 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1422 { 1423 const char *n; 1424 1425 n = a[DB_serial]; 1426 while (*n == '0') 1427 n++; 1428 return OPENSSL_LH_strhash(n); 1429 } 1430 1431 static int index_serial_cmp(const OPENSSL_CSTRING *a, 1432 const OPENSSL_CSTRING *b) 1433 { 1434 const char *aa, *bb; 1435 1436 for (aa = a[DB_serial]; *aa == '0'; aa++) ; 1437 for (bb = b[DB_serial]; *bb == '0'; bb++) ; 1438 return strcmp(aa, bb); 1439 } 1440 1441 static int index_name_qual(char **a) 1442 { 1443 return (a[0][0] == 'V'); 1444 } 1445 1446 static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1447 { 1448 return OPENSSL_LH_strhash(a[DB_name]); 1449 } 1450 1451 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1452 { 1453 return strcmp(a[DB_name], b[DB_name]); 1454 } 1455 1456 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1457 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1458 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1459 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1460 #undef BSIZE 1461 #define BSIZE 256 1462 BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1463 ASN1_INTEGER **retai) 1464 { 1465 BIO *in = NULL; 1466 BIGNUM *ret = NULL; 1467 char buf[1024]; 1468 ASN1_INTEGER *ai = NULL; 1469 1470 ai = ASN1_INTEGER_new(); 1471 if (ai == NULL) 1472 goto err; 1473 1474 in = BIO_new_file(serialfile, "r"); 1475 if (exists != NULL) 1476 *exists = in != NULL; 1477 if (in == NULL) { 1478 if (!create) { 1479 perror(serialfile); 1480 goto err; 1481 } 1482 ERR_clear_error(); 1483 ret = BN_new(); 1484 if (ret == NULL) { 1485 BIO_printf(bio_err, "Out of memory\n"); 1486 } else if (!rand_serial(ret, ai)) { 1487 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1488 serialfile); 1489 BN_free(ret); 1490 ret = NULL; 1491 } 1492 } else { 1493 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1494 BIO_printf(bio_err, "Unable to load number from %s\n", 1495 serialfile); 1496 goto err; 1497 } 1498 ret = ASN1_INTEGER_to_BN(ai, NULL); 1499 if (ret == NULL) { 1500 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1501 goto err; 1502 } 1503 } 1504 1505 if (ret != NULL && retai != NULL) { 1506 *retai = ai; 1507 ai = NULL; 1508 } 1509 err: 1510 if (ret == NULL) 1511 ERR_print_errors(bio_err); 1512 BIO_free(in); 1513 ASN1_INTEGER_free(ai); 1514 return ret; 1515 } 1516 1517 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial, 1518 ASN1_INTEGER **retai) 1519 { 1520 char buf[1][BSIZE]; 1521 BIO *out = NULL; 1522 int ret = 0; 1523 ASN1_INTEGER *ai = NULL; 1524 int j; 1525 1526 if (suffix == NULL) 1527 j = strlen(serialfile); 1528 else 1529 j = strlen(serialfile) + strlen(suffix) + 1; 1530 if (j >= BSIZE) { 1531 BIO_printf(bio_err, "File name too long\n"); 1532 goto err; 1533 } 1534 1535 if (suffix == NULL) 1536 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1537 else { 1538 #ifndef OPENSSL_SYS_VMS 1539 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1540 #else 1541 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1542 #endif 1543 } 1544 out = BIO_new_file(buf[0], "w"); 1545 if (out == NULL) { 1546 goto err; 1547 } 1548 1549 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1550 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1551 goto err; 1552 } 1553 i2a_ASN1_INTEGER(out, ai); 1554 BIO_puts(out, "\n"); 1555 ret = 1; 1556 if (retai) { 1557 *retai = ai; 1558 ai = NULL; 1559 } 1560 err: 1561 if (!ret) 1562 ERR_print_errors(bio_err); 1563 BIO_free_all(out); 1564 ASN1_INTEGER_free(ai); 1565 return ret; 1566 } 1567 1568 int rotate_serial(const char *serialfile, const char *new_suffix, 1569 const char *old_suffix) 1570 { 1571 char buf[2][BSIZE]; 1572 int i, j; 1573 1574 i = strlen(serialfile) + strlen(old_suffix); 1575 j = strlen(serialfile) + strlen(new_suffix); 1576 if (i > j) 1577 j = i; 1578 if (j + 1 >= BSIZE) { 1579 BIO_printf(bio_err, "File name too long\n"); 1580 goto err; 1581 } 1582 #ifndef OPENSSL_SYS_VMS 1583 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1584 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1585 #else 1586 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1587 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1588 #endif 1589 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1590 #ifdef ENOTDIR 1591 && errno != ENOTDIR 1592 #endif 1593 ) { 1594 BIO_printf(bio_err, 1595 "Unable to rename %s to %s\n", serialfile, buf[1]); 1596 perror("reason"); 1597 goto err; 1598 } 1599 if (rename(buf[0], serialfile) < 0) { 1600 BIO_printf(bio_err, 1601 "Unable to rename %s to %s\n", buf[0], serialfile); 1602 perror("reason"); 1603 rename(buf[1], serialfile); 1604 goto err; 1605 } 1606 return 1; 1607 err: 1608 ERR_print_errors(bio_err); 1609 return 0; 1610 } 1611 1612 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1613 { 1614 BIGNUM *btmp; 1615 int ret = 0; 1616 1617 btmp = b == NULL ? BN_new() : b; 1618 if (btmp == NULL) 1619 return 0; 1620 1621 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1622 goto error; 1623 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1624 goto error; 1625 1626 ret = 1; 1627 1628 error: 1629 1630 if (btmp != b) 1631 BN_free(btmp); 1632 1633 return ret; 1634 } 1635 1636 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1637 { 1638 CA_DB *retdb = NULL; 1639 TXT_DB *tmpdb = NULL; 1640 BIO *in; 1641 CONF *dbattr_conf = NULL; 1642 char buf[BSIZE]; 1643 #ifndef OPENSSL_NO_POSIX_IO 1644 FILE *dbfp; 1645 struct stat dbst; 1646 #endif 1647 1648 in = BIO_new_file(dbfile, "r"); 1649 if (in == NULL) 1650 goto err; 1651 1652 #ifndef OPENSSL_NO_POSIX_IO 1653 BIO_get_fp(in, &dbfp); 1654 if (fstat(fileno(dbfp), &dbst) == -1) { 1655 ERR_raise_data(ERR_LIB_SYS, errno, 1656 "calling fstat(%s)", dbfile); 1657 goto err; 1658 } 1659 #endif 1660 1661 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1662 goto err; 1663 1664 #ifndef OPENSSL_SYS_VMS 1665 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1666 #else 1667 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1668 #endif 1669 dbattr_conf = app_load_config_quiet(buf); 1670 1671 retdb = app_malloc(sizeof(*retdb), "new DB"); 1672 retdb->db = tmpdb; 1673 tmpdb = NULL; 1674 if (db_attr) 1675 retdb->attributes = *db_attr; 1676 else { 1677 retdb->attributes.unique_subject = 1; 1678 } 1679 1680 if (dbattr_conf) { 1681 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject"); 1682 if (p) { 1683 retdb->attributes.unique_subject = parse_yesno(p, 1); 1684 } else { 1685 ERR_clear_error(); 1686 } 1687 1688 } 1689 1690 retdb->dbfname = OPENSSL_strdup(dbfile); 1691 #ifndef OPENSSL_NO_POSIX_IO 1692 retdb->dbst = dbst; 1693 #endif 1694 1695 err: 1696 ERR_print_errors(bio_err); 1697 NCONF_free(dbattr_conf); 1698 TXT_DB_free(tmpdb); 1699 BIO_free_all(in); 1700 return retdb; 1701 } 1702 1703 /* 1704 * Returns > 0 on success, <= 0 on error 1705 */ 1706 int index_index(CA_DB *db) 1707 { 1708 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1709 LHASH_HASH_FN(index_serial), 1710 LHASH_COMP_FN(index_serial))) { 1711 BIO_printf(bio_err, 1712 "Error creating serial number index:(%ld,%ld,%ld)\n", 1713 db->db->error, db->db->arg1, db->db->arg2); 1714 goto err; 1715 } 1716 1717 if (db->attributes.unique_subject 1718 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1719 LHASH_HASH_FN(index_name), 1720 LHASH_COMP_FN(index_name))) { 1721 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1722 db->db->error, db->db->arg1, db->db->arg2); 1723 goto err; 1724 } 1725 return 1; 1726 err: 1727 ERR_print_errors(bio_err); 1728 return 0; 1729 } 1730 1731 int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1732 { 1733 char buf[3][BSIZE]; 1734 BIO *out; 1735 int j; 1736 1737 j = strlen(dbfile) + strlen(suffix); 1738 if (j + 6 >= BSIZE) { 1739 BIO_printf(bio_err, "File name too long\n"); 1740 goto err; 1741 } 1742 #ifndef OPENSSL_SYS_VMS 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 #else 1747 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1748 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1749 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1750 #endif 1751 out = BIO_new_file(buf[0], "w"); 1752 if (out == NULL) { 1753 perror(dbfile); 1754 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1755 goto err; 1756 } 1757 j = TXT_DB_write(out, db->db); 1758 BIO_free(out); 1759 if (j <= 0) 1760 goto err; 1761 1762 out = BIO_new_file(buf[1], "w"); 1763 if (out == NULL) { 1764 perror(buf[2]); 1765 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1766 goto err; 1767 } 1768 BIO_printf(out, "unique_subject = %s\n", 1769 db->attributes.unique_subject ? "yes" : "no"); 1770 BIO_free(out); 1771 1772 return 1; 1773 err: 1774 ERR_print_errors(bio_err); 1775 return 0; 1776 } 1777 1778 int rotate_index(const char *dbfile, const char *new_suffix, 1779 const char *old_suffix) 1780 { 1781 char buf[5][BSIZE]; 1782 int i, j; 1783 1784 i = strlen(dbfile) + strlen(old_suffix); 1785 j = strlen(dbfile) + strlen(new_suffix); 1786 if (i > j) 1787 j = i; 1788 if (j + 6 >= BSIZE) { 1789 BIO_printf(bio_err, "File name too long\n"); 1790 goto err; 1791 } 1792 #ifndef OPENSSL_SYS_VMS 1793 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1794 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1795 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1796 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1797 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1798 #else 1799 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1800 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1801 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1802 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1803 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1804 #endif 1805 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1806 #ifdef ENOTDIR 1807 && errno != ENOTDIR 1808 #endif 1809 ) { 1810 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1811 perror("reason"); 1812 goto err; 1813 } 1814 if (rename(buf[0], dbfile) < 0) { 1815 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1816 perror("reason"); 1817 rename(buf[1], dbfile); 1818 goto err; 1819 } 1820 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1821 #ifdef ENOTDIR 1822 && errno != ENOTDIR 1823 #endif 1824 ) { 1825 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1826 perror("reason"); 1827 rename(dbfile, buf[0]); 1828 rename(buf[1], dbfile); 1829 goto err; 1830 } 1831 if (rename(buf[2], buf[4]) < 0) { 1832 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1833 perror("reason"); 1834 rename(buf[3], buf[4]); 1835 rename(dbfile, buf[0]); 1836 rename(buf[1], dbfile); 1837 goto err; 1838 } 1839 return 1; 1840 err: 1841 ERR_print_errors(bio_err); 1842 return 0; 1843 } 1844 1845 void free_index(CA_DB *db) 1846 { 1847 if (db) { 1848 TXT_DB_free(db->db); 1849 OPENSSL_free(db->dbfname); 1850 OPENSSL_free(db); 1851 } 1852 } 1853 1854 int parse_yesno(const char *str, int def) 1855 { 1856 if (str) { 1857 switch (*str) { 1858 case 'f': /* false */ 1859 case 'F': /* FALSE */ 1860 case 'n': /* no */ 1861 case 'N': /* NO */ 1862 case '0': /* 0 */ 1863 return 0; 1864 case 't': /* true */ 1865 case 'T': /* TRUE */ 1866 case 'y': /* yes */ 1867 case 'Y': /* YES */ 1868 case '1': /* 1 */ 1869 return 1; 1870 } 1871 } 1872 return def; 1873 } 1874 1875 /* 1876 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1877 * where + can be used instead of / to form multi-valued RDNs if canmulti 1878 * and characters may be escaped by \ 1879 */ 1880 X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1881 const char *desc) 1882 { 1883 int nextismulti = 0; 1884 char *work; 1885 X509_NAME *n; 1886 1887 if (*cp++ != '/') { 1888 BIO_printf(bio_err, 1889 "%s: %s name is expected to be in the format " 1890 "/type0=value0/type1=value1/type2=... where characters may " 1891 "be escaped by \\. This name is not in that format: '%s'\n", 1892 opt_getprog(), desc, --cp); 1893 return NULL; 1894 } 1895 1896 n = X509_NAME_new(); 1897 if (n == NULL) { 1898 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1899 return NULL; 1900 } 1901 work = OPENSSL_strdup(cp); 1902 if (work == NULL) { 1903 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1904 opt_getprog(), desc); 1905 goto err; 1906 } 1907 1908 while (*cp != '\0') { 1909 char *bp = work; 1910 char *typestr = bp; 1911 unsigned char *valstr; 1912 int nid; 1913 int ismulti = nextismulti; 1914 nextismulti = 0; 1915 1916 /* Collect the type */ 1917 while (*cp != '\0' && *cp != '=') 1918 *bp++ = *cp++; 1919 *bp++ = '\0'; 1920 if (*cp == '\0') { 1921 BIO_printf(bio_err, 1922 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1923 opt_getprog(), typestr, desc); 1924 goto err; 1925 } 1926 ++cp; 1927 1928 /* Collect the value. */ 1929 valstr = (unsigned char *)bp; 1930 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 1931 /* unescaped '+' symbol string signals further member of multiRDN */ 1932 if (canmulti && *cp == '+') { 1933 nextismulti = 1; 1934 break; 1935 } 1936 if (*cp == '\\' && *++cp == '\0') { 1937 BIO_printf(bio_err, 1938 "%s: Escape character at end of %s name string\n", 1939 opt_getprog(), desc); 1940 goto err; 1941 } 1942 } 1943 *bp++ = '\0'; 1944 1945 /* If not at EOS (must be + or /), move forward. */ 1946 if (*cp != '\0') 1947 ++cp; 1948 1949 /* Parse */ 1950 nid = OBJ_txt2nid(typestr); 1951 if (nid == NID_undef) { 1952 BIO_printf(bio_err, 1953 "%s warning: Skipping unknown %s name attribute \"%s\"\n", 1954 opt_getprog(), desc, typestr); 1955 if (ismulti) 1956 BIO_printf(bio_err, 1957 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n", 1958 opt_getprog()); 1959 continue; 1960 } 1961 if (*valstr == '\0') { 1962 BIO_printf(bio_err, 1963 "%s warning: No value provided for %s name attribute \"%s\", skipped\n", 1964 opt_getprog(), desc, typestr); 1965 continue; 1966 } 1967 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1968 valstr, strlen((char *)valstr), 1969 -1, ismulti ? -1 : 0)) { 1970 ERR_print_errors(bio_err); 1971 BIO_printf(bio_err, 1972 "%s: Error adding %s name attribute \"/%s=%s\"\n", 1973 opt_getprog(), desc, typestr ,valstr); 1974 goto err; 1975 } 1976 } 1977 1978 OPENSSL_free(work); 1979 return n; 1980 1981 err: 1982 X509_NAME_free(n); 1983 OPENSSL_free(work); 1984 return NULL; 1985 } 1986 1987 /* 1988 * Read whole contents of a BIO into an allocated memory buffer and return 1989 * it. 1990 */ 1991 1992 int bio_to_mem(unsigned char **out, int maxlen, BIO *in) 1993 { 1994 BIO *mem; 1995 int len, ret; 1996 unsigned char tbuf[1024]; 1997 1998 mem = BIO_new(BIO_s_mem()); 1999 if (mem == NULL) 2000 return -1; 2001 for (;;) { 2002 if ((maxlen != -1) && maxlen < 1024) 2003 len = maxlen; 2004 else 2005 len = 1024; 2006 len = BIO_read(in, tbuf, len); 2007 if (len < 0) { 2008 BIO_free(mem); 2009 return -1; 2010 } 2011 if (len == 0) 2012 break; 2013 if (BIO_write(mem, tbuf, len) != len) { 2014 BIO_free(mem); 2015 return -1; 2016 } 2017 if (maxlen != -1) 2018 maxlen -= len; 2019 2020 if (maxlen == 0) 2021 break; 2022 } 2023 ret = BIO_get_mem_data(mem, (char **)out); 2024 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY); 2025 BIO_free(mem); 2026 return ret; 2027 } 2028 2029 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2030 { 2031 int rv = 0; 2032 char *stmp, *vtmp = NULL; 2033 2034 stmp = OPENSSL_strdup(value); 2035 if (stmp == NULL) 2036 return -1; 2037 vtmp = strchr(stmp, ':'); 2038 if (vtmp == NULL) 2039 goto err; 2040 2041 *vtmp = 0; 2042 vtmp++; 2043 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2044 2045 err: 2046 OPENSSL_free(stmp); 2047 return rv; 2048 } 2049 2050 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2051 { 2052 X509_POLICY_NODE *node; 2053 int i; 2054 2055 BIO_printf(bio_err, "%s Policies:", name); 2056 if (nodes) { 2057 BIO_puts(bio_err, "\n"); 2058 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2059 node = sk_X509_POLICY_NODE_value(nodes, i); 2060 X509_POLICY_NODE_print(bio_err, node, 2); 2061 } 2062 } else { 2063 BIO_puts(bio_err, " <empty>\n"); 2064 } 2065 } 2066 2067 void policies_print(X509_STORE_CTX *ctx) 2068 { 2069 X509_POLICY_TREE *tree; 2070 int explicit_policy; 2071 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2072 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2073 2074 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2075 explicit_policy ? "True" : "False"); 2076 2077 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2078 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2079 } 2080 2081 /*- 2082 * next_protos_parse parses a comma separated list of strings into a string 2083 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2084 * outlen: (output) set to the length of the resulting buffer on success. 2085 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2086 * in: a NUL terminated string like "abc,def,ghi" 2087 * 2088 * returns: a malloc'd buffer or NULL on failure. 2089 */ 2090 unsigned char *next_protos_parse(size_t *outlen, const char *in) 2091 { 2092 size_t len; 2093 unsigned char *out; 2094 size_t i, start = 0; 2095 size_t skipped = 0; 2096 2097 len = strlen(in); 2098 if (len == 0 || len >= 65535) 2099 return NULL; 2100 2101 out = app_malloc(len + 1, "NPN buffer"); 2102 for (i = 0; i <= len; ++i) { 2103 if (i == len || in[i] == ',') { 2104 /* 2105 * Zero-length ALPN elements are invalid on the wire, we could be 2106 * strict and reject the entire string, but just ignoring extra 2107 * commas seems harmless and more friendly. 2108 * 2109 * Every comma we skip in this way puts the input buffer another 2110 * byte ahead of the output buffer, so all stores into the output 2111 * buffer need to be decremented by the number commas skipped. 2112 */ 2113 if (i == start) { 2114 ++start; 2115 ++skipped; 2116 continue; 2117 } 2118 if (i - start > 255) { 2119 OPENSSL_free(out); 2120 return NULL; 2121 } 2122 out[start-skipped] = (unsigned char)(i - start); 2123 start = i + 1; 2124 } else { 2125 out[i + 1 - skipped] = in[i]; 2126 } 2127 } 2128 2129 if (len <= skipped) { 2130 OPENSSL_free(out); 2131 return NULL; 2132 } 2133 2134 *outlen = len + 1 - skipped; 2135 return out; 2136 } 2137 2138 void print_cert_checks(BIO *bio, X509 *x, 2139 const char *checkhost, 2140 const char *checkemail, const char *checkip) 2141 { 2142 if (x == NULL) 2143 return; 2144 if (checkhost) { 2145 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2146 checkhost, 2147 X509_check_host(x, checkhost, 0, 0, NULL) == 1 2148 ? "" : " NOT"); 2149 } 2150 2151 if (checkemail) { 2152 BIO_printf(bio, "Email %s does%s match certificate\n", 2153 checkemail, X509_check_email(x, checkemail, 0, 0) 2154 ? "" : " NOT"); 2155 } 2156 2157 if (checkip) { 2158 BIO_printf(bio, "IP %s does%s match certificate\n", 2159 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT"); 2160 } 2161 } 2162 2163 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2164 { 2165 int i; 2166 2167 if (opts == NULL) 2168 return 1; 2169 2170 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2171 char *opt = sk_OPENSSL_STRING_value(opts, i); 2172 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2173 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2174 ERR_print_errors(bio_err); 2175 return 0; 2176 } 2177 } 2178 2179 return 1; 2180 } 2181 2182 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2183 { 2184 int i; 2185 2186 if (opts == NULL) 2187 return 1; 2188 2189 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2190 char *opt = sk_OPENSSL_STRING_value(opts, i); 2191 if (x509_ctrl_string(x, opt) <= 0) { 2192 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2193 ERR_print_errors(bio_err); 2194 return 0; 2195 } 2196 } 2197 2198 return 1; 2199 } 2200 2201 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2202 { 2203 int i; 2204 2205 if (opts == NULL) 2206 return 1; 2207 2208 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2209 char *opt = sk_OPENSSL_STRING_value(opts, i); 2210 if (x509_req_ctrl_string(x, opt) <= 0) { 2211 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2212 ERR_print_errors(bio_err); 2213 return 0; 2214 } 2215 } 2216 2217 return 1; 2218 } 2219 2220 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2221 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2222 { 2223 EVP_PKEY_CTX *pkctx = NULL; 2224 char def_md[80]; 2225 2226 if (ctx == NULL) 2227 return 0; 2228 /* 2229 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2230 * for this algorithm. 2231 */ 2232 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2233 && strcmp(def_md, "UNDEF") == 0) { 2234 /* The signing algorithm requires there to be no digest */ 2235 md = NULL; 2236 } 2237 2238 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2239 app_get0_propq(), pkey, NULL) 2240 && do_pkey_ctx_init(pkctx, sigopts); 2241 } 2242 2243 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2244 const char *name, const char *value, int add_default) 2245 { 2246 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2247 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2248 int idx, rv = 0; 2249 2250 if (new_ext == NULL) 2251 return rv; 2252 2253 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2254 if (idx >= 0) { 2255 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2256 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext); 2257 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */ 2258 2259 if (disabled) { 2260 X509_delete_ext(cert, idx); 2261 X509_EXTENSION_free(found_ext); 2262 } /* else keep existing key identifier, which might be outdated */ 2263 rv = 1; 2264 } else { 2265 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2266 } 2267 X509_EXTENSION_free(new_ext); 2268 return rv; 2269 } 2270 2271 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2272 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md, 2273 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2274 { 2275 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2276 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2277 int self_sign; 2278 int rv = 0; 2279 2280 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) { 2281 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */ 2282 if (!X509_set_version(cert, X509_VERSION_3)) 2283 goto end; 2284 2285 /* 2286 * Add default SKID before such that default AKID can make use of it 2287 * in case the certificate is self-signed 2288 */ 2289 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2290 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2291 goto end; 2292 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2293 ERR_set_mark(); 2294 self_sign = X509_check_private_key(cert, pkey); 2295 ERR_pop_to_mark(); 2296 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2297 "keyid, issuer", !self_sign)) 2298 goto end; 2299 } 2300 2301 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2302 rv = (X509_sign_ctx(cert, mctx) > 0); 2303 end: 2304 EVP_MD_CTX_free(mctx); 2305 return rv; 2306 } 2307 2308 /* Sign the certificate request info */ 2309 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, 2310 STACK_OF(OPENSSL_STRING) *sigopts) 2311 { 2312 int rv = 0; 2313 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2314 2315 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2316 rv = (X509_REQ_sign_ctx(x, mctx) > 0); 2317 EVP_MD_CTX_free(mctx); 2318 return rv; 2319 } 2320 2321 /* Sign the CRL info */ 2322 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2323 STACK_OF(OPENSSL_STRING) *sigopts) 2324 { 2325 int rv = 0; 2326 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2327 2328 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2329 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2330 EVP_MD_CTX_free(mctx); 2331 return rv; 2332 } 2333 2334 /* 2335 * do_X509_verify returns 1 if the signature is valid, 2336 * 0 if the signature check fails, or -1 if error occurs. 2337 */ 2338 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2339 { 2340 int rv = 0; 2341 2342 if (do_x509_init(x, vfyopts) > 0) 2343 rv = X509_verify(x, pkey); 2344 else 2345 rv = -1; 2346 return rv; 2347 } 2348 2349 /* 2350 * do_X509_REQ_verify returns 1 if the signature is valid, 2351 * 0 if the signature check fails, or -1 if error occurs. 2352 */ 2353 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2354 STACK_OF(OPENSSL_STRING) *vfyopts) 2355 { 2356 int rv = 0; 2357 2358 if (do_x509_req_init(x, vfyopts) > 0) 2359 rv = X509_REQ_verify_ex(x, pkey, 2360 app_get0_libctx(), app_get0_propq()); 2361 else 2362 rv = -1; 2363 return rv; 2364 } 2365 2366 /* Get first http URL from a DIST_POINT structure */ 2367 2368 static const char *get_dp_url(DIST_POINT *dp) 2369 { 2370 GENERAL_NAMES *gens; 2371 GENERAL_NAME *gen; 2372 int i, gtype; 2373 ASN1_STRING *uri; 2374 if (!dp->distpoint || dp->distpoint->type != 0) 2375 return NULL; 2376 gens = dp->distpoint->name.fullname; 2377 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2378 gen = sk_GENERAL_NAME_value(gens, i); 2379 uri = GENERAL_NAME_get0_value(gen, >ype); 2380 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2381 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2382 2383 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2384 return uptr; 2385 } 2386 } 2387 return NULL; 2388 } 2389 2390 /* 2391 * Look through a CRLDP structure and attempt to find an http URL to 2392 * downloads a CRL from. 2393 */ 2394 2395 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2396 { 2397 int i; 2398 const char *urlptr = NULL; 2399 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2400 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2401 urlptr = get_dp_url(dp); 2402 if (urlptr != NULL) 2403 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2404 } 2405 return NULL; 2406 } 2407 2408 /* 2409 * Example of downloading CRLs from CRLDP: 2410 * not usable for real world as it always downloads and doesn't cache anything. 2411 */ 2412 2413 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2414 const X509_NAME *nm) 2415 { 2416 X509 *x; 2417 STACK_OF(X509_CRL) *crls = NULL; 2418 X509_CRL *crl; 2419 STACK_OF(DIST_POINT) *crldp; 2420 2421 crls = sk_X509_CRL_new_null(); 2422 if (!crls) 2423 return NULL; 2424 x = X509_STORE_CTX_get_current_cert(ctx); 2425 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2426 crl = load_crl_crldp(crldp); 2427 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2428 if (!crl) { 2429 sk_X509_CRL_free(crls); 2430 return NULL; 2431 } 2432 sk_X509_CRL_push(crls, crl); 2433 /* Try to download delta CRL */ 2434 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2435 crl = load_crl_crldp(crldp); 2436 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2437 if (crl) 2438 sk_X509_CRL_push(crls, crl); 2439 return crls; 2440 } 2441 2442 void store_setup_crl_download(X509_STORE *st) 2443 { 2444 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2445 } 2446 2447 #ifndef OPENSSL_NO_SOCK 2448 static const char *tls_error_hint(void) 2449 { 2450 unsigned long err = ERR_peek_error(); 2451 2452 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2453 err = ERR_peek_last_error(); 2454 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2455 return NULL; 2456 2457 switch (ERR_GET_REASON(err)) { 2458 case SSL_R_WRONG_VERSION_NUMBER: 2459 return "The server does not support (a suitable version of) TLS"; 2460 case SSL_R_UNKNOWN_PROTOCOL: 2461 return "The server does not support HTTPS"; 2462 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2463 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2464 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2465 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2466 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2467 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2468 default: /* no error or no hint available for error */ 2469 return NULL; 2470 } 2471 } 2472 2473 /* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2474 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2475 { 2476 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2477 SSL_CTX *ssl_ctx = info->ssl_ctx; 2478 2479 if (ssl_ctx == NULL) /* not using TLS */ 2480 return bio; 2481 if (connect) { 2482 SSL *ssl; 2483 BIO *sbio = NULL; 2484 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2485 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2486 const char *host = vpm == NULL ? NULL : 2487 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2488 2489 /* adapt after fixing callback design flaw, see #17088 */ 2490 if ((info->use_proxy 2491 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2492 NULL, NULL, /* no proxy credentials */ 2493 info->timeout, bio_err, opt_getprog())) 2494 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2495 return NULL; 2496 } 2497 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) { 2498 BIO_free(sbio); 2499 return NULL; 2500 } 2501 2502 if (vpm != NULL) 2503 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2504 2505 SSL_set_connect_state(ssl); 2506 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2507 2508 bio = BIO_push(sbio, bio); 2509 } 2510 if (!connect) { 2511 const char *hint; 2512 BIO *cbio; 2513 2514 if (!detail) { /* disconnecting after error */ 2515 hint = tls_error_hint(); 2516 if (hint != NULL) 2517 ERR_add_error_data(2, " : ", hint); 2518 } 2519 if (ssl_ctx != NULL) { 2520 (void)ERR_set_mark(); 2521 BIO_ssl_shutdown(bio); 2522 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2523 BIO_free(bio); /* SSL BIO */ 2524 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2525 bio = cbio; 2526 } 2527 } 2528 return bio; 2529 } 2530 2531 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2532 { 2533 if (info != NULL) { 2534 SSL_CTX_free(info->ssl_ctx); 2535 OPENSSL_free(info); 2536 } 2537 } 2538 2539 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2540 const char *no_proxy, SSL_CTX *ssl_ctx, 2541 const STACK_OF(CONF_VALUE) *headers, 2542 long timeout, const char *expected_content_type, 2543 const ASN1_ITEM *it) 2544 { 2545 APP_HTTP_TLS_INFO info; 2546 char *server; 2547 char *port; 2548 int use_ssl; 2549 BIO *mem; 2550 ASN1_VALUE *resp = NULL; 2551 2552 if (url == NULL || it == NULL) { 2553 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2554 return NULL; 2555 } 2556 2557 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2558 NULL /* port_num, */, NULL, NULL, NULL)) 2559 return NULL; 2560 if (use_ssl && ssl_ctx == NULL) { 2561 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2562 "missing SSL_CTX"); 2563 goto end; 2564 } 2565 if (!use_ssl && ssl_ctx != NULL) { 2566 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2567 "SSL_CTX given but use_ssl == 0"); 2568 goto end; 2569 } 2570 2571 info.server = server; 2572 info.port = port; 2573 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2574 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2575 info.timeout = timeout; 2576 info.ssl_ctx = ssl_ctx; 2577 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2578 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2579 expected_content_type, 1 /* expect_asn1 */, 2580 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2581 resp = ASN1_item_d2i_bio(it, mem, NULL); 2582 BIO_free(mem); 2583 2584 end: 2585 OPENSSL_free(server); 2586 OPENSSL_free(port); 2587 return resp; 2588 2589 } 2590 2591 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2592 const char *path, const char *proxy, 2593 const char *no_proxy, SSL_CTX *ssl_ctx, 2594 const STACK_OF(CONF_VALUE) *headers, 2595 const char *content_type, 2596 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2597 const char *expected_content_type, 2598 long timeout, const ASN1_ITEM *rsp_it) 2599 { 2600 int use_ssl = ssl_ctx != NULL; 2601 APP_HTTP_TLS_INFO info; 2602 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2603 ASN1_VALUE *res; 2604 2605 if (req_mem == NULL) 2606 return NULL; 2607 2608 info.server = host; 2609 info.port = port; 2610 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2611 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2612 info.timeout = timeout; 2613 info.ssl_ctx = ssl_ctx; 2614 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2615 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2616 app_http_tls_cb, &info, 2617 0 /* buf_size */, headers, content_type, req_mem, 2618 expected_content_type, 1 /* expect_asn1 */, 2619 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2620 0 /* keep_alive */); 2621 BIO_free(req_mem); 2622 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2623 BIO_free(rsp); 2624 return res; 2625 } 2626 2627 #endif 2628 2629 /* 2630 * Platform-specific sections 2631 */ 2632 #if defined(_WIN32) 2633 # ifdef fileno 2634 # undef fileno 2635 # define fileno(a) (int)_fileno(a) 2636 # endif 2637 2638 # include <windows.h> 2639 # include <tchar.h> 2640 2641 static int WIN32_rename(const char *from, const char *to) 2642 { 2643 TCHAR *tfrom = NULL, *tto; 2644 DWORD err; 2645 int ret = 0; 2646 2647 if (sizeof(TCHAR) == 1) { 2648 tfrom = (TCHAR *)from; 2649 tto = (TCHAR *)to; 2650 } else { /* UNICODE path */ 2651 2652 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2653 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2654 if (tfrom == NULL) 2655 goto err; 2656 tto = tfrom + flen; 2657 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101 2658 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2659 # endif 2660 for (i = 0; i < flen; i++) 2661 tfrom[i] = (TCHAR)from[i]; 2662 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101 2663 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2664 # endif 2665 for (i = 0; i < tlen; i++) 2666 tto[i] = (TCHAR)to[i]; 2667 } 2668 2669 if (MoveFile(tfrom, tto)) 2670 goto ok; 2671 err = GetLastError(); 2672 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2673 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2674 goto ok; 2675 err = GetLastError(); 2676 } 2677 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2678 errno = ENOENT; 2679 else if (err == ERROR_ACCESS_DENIED) 2680 errno = EACCES; 2681 else 2682 errno = EINVAL; /* we could map more codes... */ 2683 err: 2684 ret = -1; 2685 ok: 2686 if (tfrom != NULL && tfrom != (TCHAR *)from) 2687 free(tfrom); 2688 return ret; 2689 } 2690 #endif 2691 2692 /* app_tminterval section */ 2693 #if defined(_WIN32) 2694 double app_tminterval(int stop, int usertime) 2695 { 2696 FILETIME now; 2697 double ret = 0; 2698 static ULARGE_INTEGER tmstart; 2699 static int warning = 1; 2700 # ifdef _WIN32_WINNT 2701 static HANDLE proc = NULL; 2702 2703 if (proc == NULL) { 2704 if (check_winnt()) 2705 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2706 GetCurrentProcessId()); 2707 if (proc == NULL) 2708 proc = (HANDLE) - 1; 2709 } 2710 2711 if (usertime && proc != (HANDLE) - 1) { 2712 FILETIME junk; 2713 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2714 } else 2715 # endif 2716 { 2717 SYSTEMTIME systime; 2718 2719 if (usertime && warning) { 2720 BIO_printf(bio_err, "To get meaningful results, run " 2721 "this program on idle system.\n"); 2722 warning = 0; 2723 } 2724 GetSystemTime(&systime); 2725 SystemTimeToFileTime(&systime, &now); 2726 } 2727 2728 if (stop == TM_START) { 2729 tmstart.u.LowPart = now.dwLowDateTime; 2730 tmstart.u.HighPart = now.dwHighDateTime; 2731 } else { 2732 ULARGE_INTEGER tmstop; 2733 2734 tmstop.u.LowPart = now.dwLowDateTime; 2735 tmstop.u.HighPart = now.dwHighDateTime; 2736 2737 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2738 } 2739 2740 return ret; 2741 } 2742 #elif defined(OPENSSL_SYS_VXWORKS) 2743 # include <time.h> 2744 2745 double app_tminterval(int stop, int usertime) 2746 { 2747 double ret = 0; 2748 # ifdef CLOCK_REALTIME 2749 static struct timespec tmstart; 2750 struct timespec now; 2751 # else 2752 static unsigned long tmstart; 2753 unsigned long now; 2754 # endif 2755 static int warning = 1; 2756 2757 if (usertime && warning) { 2758 BIO_printf(bio_err, "To get meaningful results, run " 2759 "this program on idle system.\n"); 2760 warning = 0; 2761 } 2762 # ifdef CLOCK_REALTIME 2763 clock_gettime(CLOCK_REALTIME, &now); 2764 if (stop == TM_START) 2765 tmstart = now; 2766 else 2767 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2768 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2769 # else 2770 now = tickGet(); 2771 if (stop == TM_START) 2772 tmstart = now; 2773 else 2774 ret = (now - tmstart) / (double)sysClkRateGet(); 2775 # endif 2776 return ret; 2777 } 2778 2779 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2780 # include <sys/times.h> 2781 2782 double app_tminterval(int stop, int usertime) 2783 { 2784 double ret = 0; 2785 struct tms rus; 2786 clock_t now = times(&rus); 2787 static clock_t tmstart; 2788 2789 if (usertime) 2790 now = rus.tms_utime; 2791 2792 if (stop == TM_START) { 2793 tmstart = now; 2794 } else { 2795 long int tck = sysconf(_SC_CLK_TCK); 2796 ret = (now - tmstart) / (double)tck; 2797 } 2798 2799 return ret; 2800 } 2801 2802 #else 2803 # include <sys/time.h> 2804 # include <sys/resource.h> 2805 2806 double app_tminterval(int stop, int usertime) 2807 { 2808 double ret = 0; 2809 struct rusage rus; 2810 struct timeval now; 2811 static struct timeval tmstart; 2812 2813 if (usertime) 2814 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2815 else 2816 gettimeofday(&now, NULL); 2817 2818 if (stop == TM_START) 2819 tmstart = now; 2820 else 2821 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2822 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2823 2824 return ret; 2825 } 2826 #endif 2827 2828 int app_access(const char* name, int flag) 2829 { 2830 #ifdef _WIN32 2831 return _access(name, flag); 2832 #else 2833 return access(name, flag); 2834 #endif 2835 } 2836 2837 int app_isdir(const char *name) 2838 { 2839 return opt_isdir(name); 2840 } 2841 2842 /* raw_read|write section */ 2843 #if defined(__VMS) 2844 # include "vms_term_sock.h" 2845 static int stdin_sock = -1; 2846 2847 static void close_stdin_sock(void) 2848 { 2849 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock); 2850 } 2851 2852 int fileno_stdin(void) 2853 { 2854 if (stdin_sock == -1) { 2855 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2856 atexit(close_stdin_sock); 2857 } 2858 2859 return stdin_sock; 2860 } 2861 #else 2862 int fileno_stdin(void) 2863 { 2864 return fileno(stdin); 2865 } 2866 #endif 2867 2868 int fileno_stdout(void) 2869 { 2870 return fileno(stdout); 2871 } 2872 2873 #if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2874 int raw_read_stdin(void *buf, int siz) 2875 { 2876 DWORD n; 2877 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2878 return n; 2879 else 2880 return -1; 2881 } 2882 #elif defined(__VMS) 2883 # include <sys/socket.h> 2884 2885 int raw_read_stdin(void *buf, int siz) 2886 { 2887 return recv(fileno_stdin(), buf, siz, 0); 2888 } 2889 #else 2890 # if defined(__TANDEM) 2891 # if defined(OPENSSL_TANDEM_FLOSS) 2892 # include <floss.h(floss_read)> 2893 # endif 2894 # endif 2895 int raw_read_stdin(void *buf, int siz) 2896 { 2897 return read(fileno_stdin(), buf, siz); 2898 } 2899 #endif 2900 2901 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 2902 int raw_write_stdout(const void *buf, int siz) 2903 { 2904 DWORD n; 2905 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 2906 return n; 2907 else 2908 return -1; 2909 } 2910 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_) 2911 # if defined(__TANDEM) 2912 # if defined(OPENSSL_TANDEM_FLOSS) 2913 # include <floss.h(floss_write)> 2914 # endif 2915 # endif 2916 int raw_write_stdout(const void *buf,int siz) 2917 { 2918 return write(fileno(stdout),(void*)buf,siz); 2919 } 2920 #else 2921 # if defined(__TANDEM) 2922 # if defined(OPENSSL_TANDEM_FLOSS) 2923 # include <floss.h(floss_write)> 2924 # endif 2925 # endif 2926 int raw_write_stdout(const void *buf, int siz) 2927 { 2928 return write(fileno_stdout(), buf, siz); 2929 } 2930 #endif 2931 2932 /* 2933 * Centralized handling of input and output files with format specification 2934 * The format is meant to show what the input and output is supposed to be, 2935 * and is therefore a show of intent more than anything else. However, it 2936 * does impact behavior on some platforms, such as differentiating between 2937 * text and binary input/output on non-Unix platforms 2938 */ 2939 BIO *dup_bio_in(int format) 2940 { 2941 return BIO_new_fp(stdin, 2942 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2943 } 2944 2945 BIO *dup_bio_out(int format) 2946 { 2947 BIO *b = BIO_new_fp(stdout, 2948 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2949 void *prefix = NULL; 2950 2951 if (b == NULL) 2952 return NULL; 2953 2954 #ifdef OPENSSL_SYS_VMS 2955 if (FMT_istext(format)) 2956 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 2957 #endif 2958 2959 if (FMT_istext(format) 2960 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 2961 b = BIO_push(BIO_new(BIO_f_prefix()), b); 2962 BIO_set_prefix(b, prefix); 2963 } 2964 2965 return b; 2966 } 2967 2968 BIO *dup_bio_err(int format) 2969 { 2970 BIO *b = BIO_new_fp(stderr, 2971 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2972 #ifdef OPENSSL_SYS_VMS 2973 if (b != NULL && FMT_istext(format)) 2974 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 2975 #endif 2976 return b; 2977 } 2978 2979 void unbuffer(FILE *fp) 2980 { 2981 /* 2982 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 2983 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 2984 * However, we trust that the C RTL will never give us a FILE pointer 2985 * above the first 4 GB of memory, so we simply turn off the warning 2986 * temporarily. 2987 */ 2988 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 2989 # pragma environment save 2990 # pragma message disable maylosedata2 2991 #endif 2992 setbuf(fp, NULL); 2993 #if defined(OPENSSL_SYS_VMS) && defined(__DECC) 2994 # pragma environment restore 2995 #endif 2996 } 2997 2998 static const char *modestr(char mode, int format) 2999 { 3000 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 3001 3002 switch (mode) { 3003 case 'a': 3004 return FMT_istext(format) ? "a" : "ab"; 3005 case 'r': 3006 return FMT_istext(format) ? "r" : "rb"; 3007 case 'w': 3008 return FMT_istext(format) ? "w" : "wb"; 3009 } 3010 /* The assert above should make sure we never reach this point */ 3011 return NULL; 3012 } 3013 3014 static const char *modeverb(char mode) 3015 { 3016 switch (mode) { 3017 case 'a': 3018 return "appending"; 3019 case 'r': 3020 return "reading"; 3021 case 'w': 3022 return "writing"; 3023 } 3024 return "(doing something)"; 3025 } 3026 3027 /* 3028 * Open a file for writing, owner-read-only. 3029 */ 3030 BIO *bio_open_owner(const char *filename, int format, int private) 3031 { 3032 FILE *fp = NULL; 3033 BIO *b = NULL; 3034 int textmode, bflags; 3035 #ifndef OPENSSL_NO_POSIX_IO 3036 int fd = -1, mode; 3037 #endif 3038 3039 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3040 return bio_open_default(filename, 'w', format); 3041 3042 textmode = FMT_istext(format); 3043 #ifndef OPENSSL_NO_POSIX_IO 3044 mode = O_WRONLY; 3045 # ifdef O_CREAT 3046 mode |= O_CREAT; 3047 # endif 3048 # ifdef O_TRUNC 3049 mode |= O_TRUNC; 3050 # endif 3051 if (!textmode) { 3052 # ifdef O_BINARY 3053 mode |= O_BINARY; 3054 # elif defined(_O_BINARY) 3055 mode |= _O_BINARY; 3056 # endif 3057 } 3058 3059 # ifdef OPENSSL_SYS_VMS 3060 /* VMS doesn't have O_BINARY, it just doesn't make sense. But, 3061 * it still needs to know that we're going binary, or fdopen() 3062 * will fail with "invalid argument"... so we tell VMS what the 3063 * context is. 3064 */ 3065 if (!textmode) 3066 fd = open(filename, mode, 0600, "ctx=bin"); 3067 else 3068 # endif 3069 fd = open(filename, mode, 0600); 3070 if (fd < 0) 3071 goto err; 3072 fp = fdopen(fd, modestr('w', format)); 3073 #else /* OPENSSL_NO_POSIX_IO */ 3074 /* Have stdio but not Posix IO, do the best we can */ 3075 fp = fopen(filename, modestr('w', format)); 3076 #endif /* OPENSSL_NO_POSIX_IO */ 3077 if (fp == NULL) 3078 goto err; 3079 bflags = BIO_CLOSE; 3080 if (textmode) 3081 bflags |= BIO_FP_TEXT; 3082 b = BIO_new_fp(fp, bflags); 3083 if (b != NULL) 3084 return b; 3085 3086 err: 3087 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3088 opt_getprog(), filename, strerror(errno)); 3089 ERR_print_errors(bio_err); 3090 /* If we have fp, then fdopen took over fd, so don't close both. */ 3091 if (fp != NULL) 3092 fclose(fp); 3093 #ifndef OPENSSL_NO_POSIX_IO 3094 else if (fd >= 0) 3095 close(fd); 3096 #endif 3097 return NULL; 3098 } 3099 3100 static BIO *bio_open_default_(const char *filename, char mode, int format, 3101 int quiet) 3102 { 3103 BIO *ret; 3104 3105 if (filename == NULL || strcmp(filename, "-") == 0) { 3106 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format); 3107 if (quiet) { 3108 ERR_clear_error(); 3109 return ret; 3110 } 3111 if (ret != NULL) 3112 return ret; 3113 BIO_printf(bio_err, 3114 "Can't open %s, %s\n", 3115 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3116 } else { 3117 ret = BIO_new_file(filename, modestr(mode, format)); 3118 if (quiet) { 3119 ERR_clear_error(); 3120 return ret; 3121 } 3122 if (ret != NULL) 3123 return ret; 3124 BIO_printf(bio_err, 3125 "Can't open \"%s\" for %s, %s\n", 3126 filename, modeverb(mode), strerror(errno)); 3127 } 3128 ERR_print_errors(bio_err); 3129 return NULL; 3130 } 3131 3132 BIO *bio_open_default(const char *filename, char mode, int format) 3133 { 3134 return bio_open_default_(filename, mode, format, 0); 3135 } 3136 3137 BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3138 { 3139 return bio_open_default_(filename, mode, format, 1); 3140 } 3141 3142 void wait_for_async(SSL *s) 3143 { 3144 /* On Windows select only works for sockets, so we simply don't wait */ 3145 #ifndef OPENSSL_SYS_WINDOWS 3146 int width = 0; 3147 fd_set asyncfds; 3148 OSSL_ASYNC_FD *fds; 3149 size_t numfds; 3150 size_t i; 3151 3152 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3153 return; 3154 if (numfds == 0) 3155 return; 3156 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3157 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3158 OPENSSL_free(fds); 3159 return; 3160 } 3161 3162 FD_ZERO(&asyncfds); 3163 for (i = 0; i < numfds; i++) { 3164 if (width <= (int)fds[i]) 3165 width = (int)fds[i] + 1; 3166 openssl_fdset((int)fds[i], &asyncfds); 3167 } 3168 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3169 OPENSSL_free(fds); 3170 #endif 3171 } 3172 3173 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3174 #if defined(OPENSSL_SYS_MSDOS) 3175 int has_stdin_waiting(void) 3176 { 3177 # if defined(OPENSSL_SYS_WINDOWS) 3178 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3179 DWORD events = 0; 3180 INPUT_RECORD inputrec; 3181 DWORD insize = 1; 3182 BOOL peeked; 3183 3184 if (inhand == INVALID_HANDLE_VALUE) { 3185 return 0; 3186 } 3187 3188 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3189 if (!peeked) { 3190 /* Probably redirected input? _kbhit() does not work in this case */ 3191 if (!feof(stdin)) { 3192 return 1; 3193 } 3194 return 0; 3195 } 3196 # endif 3197 return _kbhit(); 3198 } 3199 #endif 3200 3201 /* Corrupt a signature by modifying final byte */ 3202 void corrupt_signature(const ASN1_STRING *signature) 3203 { 3204 unsigned char *s = signature->data; 3205 s[signature->length - 1] ^= 0x1; 3206 } 3207 3208 int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3209 int days) 3210 { 3211 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3212 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) 3213 return 0; 3214 } else { 3215 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) 3216 return 0; 3217 } 3218 if (enddate == NULL) { 3219 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) 3220 == NULL) 3221 return 0; 3222 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3223 return 0; 3224 } 3225 return 1; 3226 } 3227 3228 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3229 { 3230 int ret = 0; 3231 ASN1_TIME *tm = ASN1_TIME_new(); 3232 3233 if (tm == NULL) 3234 goto end; 3235 3236 if (lastupdate == NULL) { 3237 if (X509_gmtime_adj(tm, 0) == NULL) 3238 goto end; 3239 } else { 3240 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3241 goto end; 3242 } 3243 3244 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3245 goto end; 3246 3247 ret = 1; 3248 end: 3249 ASN1_TIME_free(tm); 3250 return ret; 3251 } 3252 3253 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3254 long days, long hours, long secs) 3255 { 3256 int ret = 0; 3257 ASN1_TIME *tm = ASN1_TIME_new(); 3258 3259 if (tm == NULL) 3260 goto end; 3261 3262 if (nextupdate == NULL) { 3263 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3264 goto end; 3265 } else { 3266 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3267 goto end; 3268 } 3269 3270 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3271 goto end; 3272 3273 ret = 1; 3274 end: 3275 ASN1_TIME_free(tm); 3276 return ret; 3277 } 3278 3279 void make_uppercase(char *string) 3280 { 3281 int i; 3282 3283 for (i = 0; string[i] != '\0'; i++) 3284 string[i] = toupper((unsigned char)string[i]); 3285 } 3286 3287 /* This function is defined here due to visibility of bio_err */ 3288 int opt_printf_stderr(const char *fmt, ...) 3289 { 3290 va_list ap; 3291 int ret; 3292 3293 va_start(ap, fmt); 3294 ret = BIO_vprintf(bio_err, fmt, ap); 3295 va_end(ap); 3296 return ret; 3297 } 3298 3299 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3300 const OSSL_PARAM *paramdefs) 3301 { 3302 OSSL_PARAM *params = NULL; 3303 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3304 size_t params_n; 3305 char *opt = "", *stmp, *vtmp = NULL; 3306 int found = 1; 3307 3308 if (opts == NULL) 3309 return NULL; 3310 3311 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3312 if (params == NULL) 3313 return NULL; 3314 3315 for (params_n = 0; params_n < sz; params_n++) { 3316 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3317 if ((stmp = OPENSSL_strdup(opt)) == NULL 3318 || (vtmp = strchr(stmp, ':')) == NULL) 3319 goto err; 3320 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3321 *vtmp = 0; 3322 /* Skip over the separator so that vmtp points to the value */ 3323 vtmp++; 3324 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3325 stmp, vtmp, strlen(vtmp), &found)) 3326 goto err; 3327 OPENSSL_free(stmp); 3328 } 3329 params[params_n] = OSSL_PARAM_construct_end(); 3330 return params; 3331 err: 3332 OPENSSL_free(stmp); 3333 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3334 opt); 3335 ERR_print_errors(bio_err); 3336 app_params_free(params); 3337 return NULL; 3338 } 3339 3340 void app_params_free(OSSL_PARAM *params) 3341 { 3342 int i; 3343 3344 if (params != NULL) { 3345 for (i = 0; params[i].key != NULL; ++i) 3346 OPENSSL_free(params[i].data); 3347 OPENSSL_free(params); 3348 } 3349 } 3350 3351 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3352 { 3353 EVP_PKEY *res = NULL; 3354 3355 if (verbose && alg != NULL) { 3356 BIO_printf(bio_err, "Generating %s key", alg); 3357 if (bits > 0) 3358 BIO_printf(bio_err, " with %d bits\n", bits); 3359 else 3360 BIO_printf(bio_err, "\n"); 3361 } 3362 if (!RAND_status()) 3363 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3364 "if the system has a poor entropy source\n"); 3365 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3366 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(), 3367 alg != NULL ? alg : "asymmetric"); 3368 return res; 3369 } 3370 3371 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3372 { 3373 EVP_PKEY *res = NULL; 3374 3375 if (!RAND_status()) 3376 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3377 "if the system has a poor entropy source\n"); 3378 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3379 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n", 3380 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3381 return res; 3382 } 3383 3384 /* 3385 * Return non-zero if the legacy path is still an option. 3386 * This decision is based on the global command line operations and the 3387 * behaviour thus far. 3388 */ 3389 int opt_legacy_okay(void) 3390 { 3391 int provider_options = opt_provider_option_given(); 3392 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3393 /* 3394 * Having a provider option specified or a custom library context or 3395 * property query, is a sure sign we're not using legacy. 3396 */ 3397 if (provider_options || libctx) 3398 return 0; 3399 return 1; 3400 } 3401