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 53static 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 65static BIO *bio_open_default_(const char *filename, char mode, int format, 66 int quiet); 67 68#define PASS_SOURCE_SIZE_MAX 4 69 70DEFINE_STACK_OF(CONF) 71 72typedef struct { 73 const char *name; 74 unsigned long flag; 75 unsigned long mask; 76} NAME_EX_TBL; 77 78static int set_table_opts(unsigned long *flags, const char *arg, 79 const NAME_EX_TBL * in_tbl); 80static int set_multi_opts(unsigned long *flags, const char *arg, 81 const NAME_EX_TBL * in_tbl); 82static 83int 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 91int app_init(long mesgwin); 92 93int 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 142int app_init(long mesgwin) 143{ 144 return 1; 145} 146#endif 147 148int 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 175int 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 185static unsigned long nmflag = 0; 186static char nmflag_set = 0; 187 188int 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 198unsigned long get_nameopt(void) 199{ 200 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE; 201} 202 203void 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 209int 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 215static char *app_get_pass(const char *arg, int keepbio); 216 217char *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 235int 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 256static 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 346CONF *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 372CONF *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 383CONF *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 400int 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 419int 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 445CONF *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 465X509 *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 486X509_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 507X509_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 536void cleanse(char *str) 537{ 538 if (str != NULL) 539 OPENSSL_cleanse(str, strlen(str)); 540} 541 542void clear_free(char *str) 543{ 544 if (str != NULL) 545 OPENSSL_clear_free(str, strlen(str)); 546} 547 548EVP_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 567EVP_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 586EVP_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 611EVP_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 617void 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 628void *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 638char *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(*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(*opt)) 648 opt++; 649 } 650 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */ 651} 652 653static 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 662static 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 675static 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 684int 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 717STACK_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 750static 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 */ 772X509_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 */ 800int 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 */ 819int 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 834static 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 */ 860static 861int 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"); 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 goto end; 969 970 failed = NULL; 971 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) { 972 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx); 973 int type, ok = 1; 974 975 /* 976 * This can happen (for example) if we attempt to load a file with 977 * multiple different types of things in it - but the thing we just 978 * tried to load wasn't one of the ones we wanted, e.g. if we're trying 979 * to load a certificate but the file has both the private key and the 980 * certificate in it. We just retry until eof. 981 */ 982 if (info == NULL) { 983 continue; 984 } 985 986 type = OSSL_STORE_INFO_get_type(info); 987 switch (type) { 988 case OSSL_STORE_INFO_PKEY: 989 if (ppkey != NULL && *ppkey == NULL) { 990 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL; 991 cnt_expectations -= ok; 992 } 993 /* 994 * An EVP_PKEY with private parts also holds the public parts, 995 * so if the caller asked for a public key, and we got a private 996 * key, we can still pass it back. 997 */ 998 if (ok && ppubkey != NULL && *ppubkey == NULL) { 999 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL); 1000 cnt_expectations -= ok; 1001 } 1002 break; 1003 case OSSL_STORE_INFO_PUBKEY: 1004 if (ppubkey != NULL && *ppubkey == NULL) { 1005 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL); 1006 cnt_expectations -= ok; 1007 } 1008 break; 1009 case OSSL_STORE_INFO_PARAMS: 1010 if (pparams != NULL && *pparams == NULL) { 1011 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL); 1012 cnt_expectations -= ok; 1013 } 1014 break; 1015 case OSSL_STORE_INFO_CERT: 1016 if (pcert != NULL && *pcert == NULL) { 1017 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL; 1018 cnt_expectations -= ok; 1019 } 1020 else if (pcerts != NULL) 1021 ok = X509_add_cert(*pcerts, 1022 OSSL_STORE_INFO_get1_CERT(info), 1023 X509_ADD_FLAG_DEFAULT); 1024 ncerts += ok; 1025 break; 1026 case OSSL_STORE_INFO_CRL: 1027 if (pcrl != NULL && *pcrl == NULL) { 1028 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL; 1029 cnt_expectations -= ok; 1030 } 1031 else if (pcrls != NULL) 1032 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info)); 1033 ncrls += ok; 1034 break; 1035 default: 1036 /* skip any other type */ 1037 break; 1038 } 1039 OSSL_STORE_INFO_free(info); 1040 if (!ok) { 1041 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type); 1042 BIO_printf(bio_err, "Error reading"); 1043 break; 1044 } 1045 } 1046 1047 end: 1048 OSSL_STORE_close(ctx); 1049 if (failed == NULL) { 1050 int any = 0; 1051 1052 if ((ppkey != NULL && *ppkey == NULL) 1053 || (ppubkey != NULL && *ppubkey == NULL)) { 1054 failed = "key"; 1055 } else if (pparams != NULL && *pparams == NULL) { 1056 failed = "params"; 1057 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) { 1058 if (pcert == NULL) 1059 any = 1; 1060 failed = "cert"; 1061 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) { 1062 if (pcrl == NULL) 1063 any = 1; 1064 failed = "CRL"; 1065 } 1066 if (!suppress_decode_errors) { 1067 if (failed != NULL) 1068 BIO_printf(bio_err, "Could not read"); 1069 if (any) 1070 BIO_printf(bio_err, " any"); 1071 } 1072 } 1073 if (!suppress_decode_errors && failed != NULL) { 1074 if (desc != NULL && strstr(desc, failed) != NULL) { 1075 BIO_printf(bio_err, " %s", desc); 1076 } else { 1077 BIO_printf(bio_err, " %s", failed); 1078 if (desc != NULL) 1079 BIO_printf(bio_err, " of %s", desc); 1080 } 1081 if (uri != NULL) 1082 BIO_printf(bio_err, " from %s", uri); 1083 BIO_printf(bio_err, "\n"); 1084 ERR_print_errors(bio_err); 1085 } 1086 if (suppress_decode_errors || failed == NULL) 1087 /* clear any spurious errors */ 1088 ERR_clear_error(); 1089 return failed == NULL; 1090} 1091 1092int load_key_certs_crls(const char *uri, int format, int maybe_stdin, 1093 const char *pass, const char *desc, 1094 EVP_PKEY **ppkey, EVP_PKEY **ppubkey, 1095 EVP_PKEY **pparams, 1096 X509 **pcert, STACK_OF(X509) **pcerts, 1097 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls) 1098{ 1099 return load_key_certs_crls_suppress(uri, format, maybe_stdin, pass, desc, 1100 ppkey, ppubkey, pparams, pcert, pcerts, 1101 pcrl, pcrls, 0); 1102} 1103 1104#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1105/* Return error for unknown extensions */ 1106#define X509V3_EXT_DEFAULT 0 1107/* Print error for unknown extensions */ 1108#define X509V3_EXT_ERROR_UNKNOWN (1L << 16) 1109/* ASN1 parse unknown extensions */ 1110#define X509V3_EXT_PARSE_UNKNOWN (2L << 16) 1111/* BIO_dump unknown extensions */ 1112#define X509V3_EXT_DUMP_UNKNOWN (3L << 16) 1113 1114#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \ 1115 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1116 1117int set_cert_ex(unsigned long *flags, const char *arg) 1118{ 1119 static const NAME_EX_TBL cert_tbl[] = { 1120 {"compatible", X509_FLAG_COMPAT, 0xffffffffl}, 1121 {"ca_default", X509_FLAG_CA, 0xffffffffl}, 1122 {"no_header", X509_FLAG_NO_HEADER, 0}, 1123 {"no_version", X509_FLAG_NO_VERSION, 0}, 1124 {"no_serial", X509_FLAG_NO_SERIAL, 0}, 1125 {"no_signame", X509_FLAG_NO_SIGNAME, 0}, 1126 {"no_validity", X509_FLAG_NO_VALIDITY, 0}, 1127 {"no_subject", X509_FLAG_NO_SUBJECT, 0}, 1128 {"no_issuer", X509_FLAG_NO_ISSUER, 0}, 1129 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0}, 1130 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0}, 1131 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0}, 1132 {"no_aux", X509_FLAG_NO_AUX, 0}, 1133 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0}, 1134 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK}, 1135 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1136 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1137 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1138 {NULL, 0, 0} 1139 }; 1140 return set_multi_opts(flags, arg, cert_tbl); 1141} 1142 1143int set_name_ex(unsigned long *flags, const char *arg) 1144{ 1145 static const NAME_EX_TBL ex_tbl[] = { 1146 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0}, 1147 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0}, 1148 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0}, 1149 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0}, 1150 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0}, 1151 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0}, 1152 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0}, 1153 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0}, 1154 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0}, 1155 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0}, 1156 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0}, 1157 {"compat", XN_FLAG_COMPAT, 0xffffffffL}, 1158 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK}, 1159 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK}, 1160 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK}, 1161 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK}, 1162 {"dn_rev", XN_FLAG_DN_REV, 0}, 1163 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK}, 1164 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK}, 1165 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK}, 1166 {"align", XN_FLAG_FN_ALIGN, 0}, 1167 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK}, 1168 {"space_eq", XN_FLAG_SPC_EQ, 0}, 1169 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0}, 1170 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL}, 1171 {"oneline", XN_FLAG_ONELINE, 0xffffffffL}, 1172 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL}, 1173 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL}, 1174 {NULL, 0, 0} 1175 }; 1176 if (set_multi_opts(flags, arg, ex_tbl) == 0) 1177 return 0; 1178 if (*flags != XN_FLAG_COMPAT 1179 && (*flags & XN_FLAG_SEP_MASK) == 0) 1180 *flags |= XN_FLAG_SEP_CPLUS_SPC; 1181 return 1; 1182} 1183 1184int set_dateopt(unsigned long *dateopt, const char *arg) 1185{ 1186 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0) 1187 *dateopt = ASN1_DTFLGS_RFC822; 1188 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0) 1189 *dateopt = ASN1_DTFLGS_ISO8601; 1190 else 1191 return 0; 1192 return 1; 1193} 1194 1195int set_ext_copy(int *copy_type, const char *arg) 1196{ 1197 if (OPENSSL_strcasecmp(arg, "none") == 0) 1198 *copy_type = EXT_COPY_NONE; 1199 else if (OPENSSL_strcasecmp(arg, "copy") == 0) 1200 *copy_type = EXT_COPY_ADD; 1201 else if (OPENSSL_strcasecmp(arg, "copyall") == 0) 1202 *copy_type = EXT_COPY_ALL; 1203 else 1204 return 0; 1205 return 1; 1206} 1207 1208int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1209{ 1210 STACK_OF(X509_EXTENSION) *exts; 1211 int i, ret = 0; 1212 1213 if (x == NULL || req == NULL) 1214 return 0; 1215 if (copy_type == EXT_COPY_NONE) 1216 return 1; 1217 exts = X509_REQ_get_extensions(req); 1218 1219 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1220 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 1221 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext); 1222 int idx = X509_get_ext_by_OBJ(x, obj, -1); 1223 1224 /* Does extension exist in target? */ 1225 if (idx != -1) { 1226 /* If normal copy don't override existing extension */ 1227 if (copy_type == EXT_COPY_ADD) 1228 continue; 1229 /* Delete all extensions of same type */ 1230 do { 1231 X509_EXTENSION_free(X509_delete_ext(x, idx)); 1232 idx = X509_get_ext_by_OBJ(x, obj, -1); 1233 } while (idx != -1); 1234 } 1235 if (!X509_add_ext(x, ext, -1)) 1236 goto end; 1237 } 1238 ret = 1; 1239 1240 end: 1241 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1242 return ret; 1243} 1244 1245static int set_multi_opts(unsigned long *flags, const char *arg, 1246 const NAME_EX_TBL * in_tbl) 1247{ 1248 STACK_OF(CONF_VALUE) *vals; 1249 CONF_VALUE *val; 1250 int i, ret = 1; 1251 if (!arg) 1252 return 0; 1253 vals = X509V3_parse_list(arg); 1254 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1255 val = sk_CONF_VALUE_value(vals, i); 1256 if (!set_table_opts(flags, val->name, in_tbl)) 1257 ret = 0; 1258 } 1259 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1260 return ret; 1261} 1262 1263static int set_table_opts(unsigned long *flags, const char *arg, 1264 const NAME_EX_TBL * in_tbl) 1265{ 1266 char c; 1267 const NAME_EX_TBL *ptbl; 1268 c = arg[0]; 1269 1270 if (c == '-') { 1271 c = 0; 1272 arg++; 1273 } else if (c == '+') { 1274 c = 1; 1275 arg++; 1276 } else { 1277 c = 1; 1278 } 1279 1280 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1281 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) { 1282 *flags &= ~ptbl->mask; 1283 if (c) 1284 *flags |= ptbl->flag; 1285 else 1286 *flags &= ~ptbl->flag; 1287 return 1; 1288 } 1289 } 1290 return 0; 1291} 1292 1293void print_name(BIO *out, const char *title, const X509_NAME *nm) 1294{ 1295 char *buf; 1296 char mline = 0; 1297 int indent = 0; 1298 unsigned long lflags = get_nameopt(); 1299 1300 if (out == NULL) 1301 return; 1302 if (title != NULL) 1303 BIO_puts(out, title); 1304 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1305 mline = 1; 1306 indent = 4; 1307 } 1308 if (lflags == XN_FLAG_COMPAT) { 1309 buf = X509_NAME_oneline(nm, 0, 0); 1310 BIO_puts(out, buf); 1311 BIO_puts(out, "\n"); 1312 OPENSSL_free(buf); 1313 } else { 1314 if (mline) 1315 BIO_puts(out, "\n"); 1316 X509_NAME_print_ex(out, nm, indent, lflags); 1317 BIO_puts(out, "\n"); 1318 } 1319} 1320 1321void print_bignum_var(BIO *out, const BIGNUM *in, const char *var, 1322 int len, unsigned char *buffer) 1323{ 1324 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len); 1325 if (BN_is_zero(in)) { 1326 BIO_printf(out, "\n 0x00"); 1327 } else { 1328 int i, l; 1329 1330 l = BN_bn2bin(in, buffer); 1331 for (i = 0; i < l; i++) { 1332 BIO_printf(out, (i % 10) == 0 ? "\n " : " "); 1333 if (i < l - 1) 1334 BIO_printf(out, "0x%02X,", buffer[i]); 1335 else 1336 BIO_printf(out, "0x%02X", buffer[i]); 1337 } 1338 } 1339 BIO_printf(out, "\n };\n"); 1340} 1341 1342void print_array(BIO *out, const char* title, int len, const unsigned char* d) 1343{ 1344 int i; 1345 1346 BIO_printf(out, "unsigned char %s[%d] = {", title, len); 1347 for (i = 0; i < len; i++) { 1348 if ((i % 10) == 0) 1349 BIO_printf(out, "\n "); 1350 if (i < len - 1) 1351 BIO_printf(out, "0x%02X, ", d[i]); 1352 else 1353 BIO_printf(out, "0x%02X", d[i]); 1354 } 1355 BIO_printf(out, "\n};\n"); 1356} 1357 1358X509_STORE *setup_verify(const char *CAfile, int noCAfile, 1359 const char *CApath, int noCApath, 1360 const char *CAstore, int noCAstore) 1361{ 1362 X509_STORE *store = X509_STORE_new(); 1363 X509_LOOKUP *lookup; 1364 OSSL_LIB_CTX *libctx = app_get0_libctx(); 1365 const char *propq = app_get0_propq(); 1366 1367 if (store == NULL) 1368 goto end; 1369 1370 if (CAfile != NULL || !noCAfile) { 1371 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1372 if (lookup == NULL) 1373 goto end; 1374 if (CAfile != NULL) { 1375 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM, 1376 libctx, propq) <= 0) { 1377 BIO_printf(bio_err, "Error loading file %s\n", CAfile); 1378 goto end; 1379 } 1380 } else { 1381 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, 1382 libctx, propq); 1383 } 1384 } 1385 1386 if (CApath != NULL || !noCApath) { 1387 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1388 if (lookup == NULL) 1389 goto end; 1390 if (CApath != NULL) { 1391 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) { 1392 BIO_printf(bio_err, "Error loading directory %s\n", CApath); 1393 goto end; 1394 } 1395 } else { 1396 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1397 } 1398 } 1399 1400 if (CAstore != NULL || !noCAstore) { 1401 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store()); 1402 if (lookup == NULL) 1403 goto end; 1404 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) { 1405 if (CAstore != NULL) 1406 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore); 1407 goto end; 1408 } 1409 } 1410 1411 ERR_clear_error(); 1412 return store; 1413 end: 1414 ERR_print_errors(bio_err); 1415 X509_STORE_free(store); 1416 return NULL; 1417} 1418 1419static unsigned long index_serial_hash(const OPENSSL_CSTRING *a) 1420{ 1421 const char *n; 1422 1423 n = a[DB_serial]; 1424 while (*n == '0') 1425 n++; 1426 return OPENSSL_LH_strhash(n); 1427} 1428 1429static int index_serial_cmp(const OPENSSL_CSTRING *a, 1430 const OPENSSL_CSTRING *b) 1431{ 1432 const char *aa, *bb; 1433 1434 for (aa = a[DB_serial]; *aa == '0'; aa++) ; 1435 for (bb = b[DB_serial]; *bb == '0'; bb++) ; 1436 return strcmp(aa, bb); 1437} 1438 1439static int index_name_qual(char **a) 1440{ 1441 return (a[0][0] == 'V'); 1442} 1443 1444static unsigned long index_name_hash(const OPENSSL_CSTRING *a) 1445{ 1446 return OPENSSL_LH_strhash(a[DB_name]); 1447} 1448 1449int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b) 1450{ 1451 return strcmp(a[DB_name], b[DB_name]); 1452} 1453 1454static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING) 1455static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING) 1456static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING) 1457static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING) 1458#undef BSIZE 1459#define BSIZE 256 1460BIGNUM *load_serial(const char *serialfile, int *exists, int create, 1461 ASN1_INTEGER **retai) 1462{ 1463 BIO *in = NULL; 1464 BIGNUM *ret = NULL; 1465 char buf[1024]; 1466 ASN1_INTEGER *ai = NULL; 1467 1468 ai = ASN1_INTEGER_new(); 1469 if (ai == NULL) 1470 goto err; 1471 1472 in = BIO_new_file(serialfile, "r"); 1473 if (exists != NULL) 1474 *exists = in != NULL; 1475 if (in == NULL) { 1476 if (!create) { 1477 perror(serialfile); 1478 goto err; 1479 } 1480 ERR_clear_error(); 1481 ret = BN_new(); 1482 if (ret == NULL) { 1483 BIO_printf(bio_err, "Out of memory\n"); 1484 } else if (!rand_serial(ret, ai)) { 1485 BIO_printf(bio_err, "Error creating random number to store in %s\n", 1486 serialfile); 1487 BN_free(ret); 1488 ret = NULL; 1489 } 1490 } else { 1491 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1492 BIO_printf(bio_err, "Unable to load number from %s\n", 1493 serialfile); 1494 goto err; 1495 } 1496 ret = ASN1_INTEGER_to_BN(ai, NULL); 1497 if (ret == NULL) { 1498 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n"); 1499 goto err; 1500 } 1501 } 1502 1503 if (ret != NULL && retai != NULL) { 1504 *retai = ai; 1505 ai = NULL; 1506 } 1507 err: 1508 if (ret == NULL) 1509 ERR_print_errors(bio_err); 1510 BIO_free(in); 1511 ASN1_INTEGER_free(ai); 1512 return ret; 1513} 1514 1515int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial, 1516 ASN1_INTEGER **retai) 1517{ 1518 char buf[1][BSIZE]; 1519 BIO *out = NULL; 1520 int ret = 0; 1521 ASN1_INTEGER *ai = NULL; 1522 int j; 1523 1524 if (suffix == NULL) 1525 j = strlen(serialfile); 1526 else 1527 j = strlen(serialfile) + strlen(suffix) + 1; 1528 if (j >= BSIZE) { 1529 BIO_printf(bio_err, "File name too long\n"); 1530 goto err; 1531 } 1532 1533 if (suffix == NULL) 1534 OPENSSL_strlcpy(buf[0], serialfile, BSIZE); 1535 else { 1536#ifndef OPENSSL_SYS_VMS 1537 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix); 1538#else 1539 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix); 1540#endif 1541 } 1542 out = BIO_new_file(buf[0], "w"); 1543 if (out == NULL) { 1544 goto err; 1545 } 1546 1547 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1548 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1549 goto err; 1550 } 1551 i2a_ASN1_INTEGER(out, ai); 1552 BIO_puts(out, "\n"); 1553 ret = 1; 1554 if (retai) { 1555 *retai = ai; 1556 ai = NULL; 1557 } 1558 err: 1559 if (!ret) 1560 ERR_print_errors(bio_err); 1561 BIO_free_all(out); 1562 ASN1_INTEGER_free(ai); 1563 return ret; 1564} 1565 1566int rotate_serial(const char *serialfile, const char *new_suffix, 1567 const char *old_suffix) 1568{ 1569 char buf[2][BSIZE]; 1570 int i, j; 1571 1572 i = strlen(serialfile) + strlen(old_suffix); 1573 j = strlen(serialfile) + strlen(new_suffix); 1574 if (i > j) 1575 j = i; 1576 if (j + 1 >= BSIZE) { 1577 BIO_printf(bio_err, "File name too long\n"); 1578 goto err; 1579 } 1580#ifndef OPENSSL_SYS_VMS 1581 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix); 1582 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix); 1583#else 1584 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix); 1585 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix); 1586#endif 1587 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT 1588#ifdef ENOTDIR 1589 && errno != ENOTDIR 1590#endif 1591 ) { 1592 BIO_printf(bio_err, 1593 "Unable to rename %s to %s\n", serialfile, buf[1]); 1594 perror("reason"); 1595 goto err; 1596 } 1597 if (rename(buf[0], serialfile) < 0) { 1598 BIO_printf(bio_err, 1599 "Unable to rename %s to %s\n", buf[0], serialfile); 1600 perror("reason"); 1601 rename(buf[1], serialfile); 1602 goto err; 1603 } 1604 return 1; 1605 err: 1606 ERR_print_errors(bio_err); 1607 return 0; 1608} 1609 1610int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1611{ 1612 BIGNUM *btmp; 1613 int ret = 0; 1614 1615 btmp = b == NULL ? BN_new() : b; 1616 if (btmp == NULL) 1617 return 0; 1618 1619 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY)) 1620 goto error; 1621 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1622 goto error; 1623 1624 ret = 1; 1625 1626 error: 1627 1628 if (btmp != b) 1629 BN_free(btmp); 1630 1631 return ret; 1632} 1633 1634CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr) 1635{ 1636 CA_DB *retdb = NULL; 1637 TXT_DB *tmpdb = NULL; 1638 BIO *in; 1639 CONF *dbattr_conf = NULL; 1640 char buf[BSIZE]; 1641#ifndef OPENSSL_NO_POSIX_IO 1642 FILE *dbfp; 1643 struct stat dbst; 1644#endif 1645 1646 in = BIO_new_file(dbfile, "r"); 1647 if (in == NULL) 1648 goto err; 1649 1650#ifndef OPENSSL_NO_POSIX_IO 1651 BIO_get_fp(in, &dbfp); 1652 if (fstat(fileno(dbfp), &dbst) == -1) { 1653 ERR_raise_data(ERR_LIB_SYS, errno, 1654 "calling fstat(%s)", dbfile); 1655 goto err; 1656 } 1657#endif 1658 1659 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) 1660 goto err; 1661 1662#ifndef OPENSSL_SYS_VMS 1663 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile); 1664#else 1665 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile); 1666#endif 1667 dbattr_conf = app_load_config_quiet(buf); 1668 1669 retdb = app_malloc(sizeof(*retdb), "new DB"); 1670 retdb->db = tmpdb; 1671 tmpdb = NULL; 1672 if (db_attr) 1673 retdb->attributes = *db_attr; 1674 else { 1675 retdb->attributes.unique_subject = 1; 1676 } 1677 1678 if (dbattr_conf) { 1679 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject"); 1680 if (p) { 1681 retdb->attributes.unique_subject = parse_yesno(p, 1); 1682 } 1683 } 1684 1685 retdb->dbfname = OPENSSL_strdup(dbfile); 1686#ifndef OPENSSL_NO_POSIX_IO 1687 retdb->dbst = dbst; 1688#endif 1689 1690 err: 1691 ERR_print_errors(bio_err); 1692 NCONF_free(dbattr_conf); 1693 TXT_DB_free(tmpdb); 1694 BIO_free_all(in); 1695 return retdb; 1696} 1697 1698/* 1699 * Returns > 0 on success, <= 0 on error 1700 */ 1701int index_index(CA_DB *db) 1702{ 1703 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1704 LHASH_HASH_FN(index_serial), 1705 LHASH_COMP_FN(index_serial))) { 1706 BIO_printf(bio_err, 1707 "Error creating serial number index:(%ld,%ld,%ld)\n", 1708 db->db->error, db->db->arg1, db->db->arg2); 1709 goto err; 1710 } 1711 1712 if (db->attributes.unique_subject 1713 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1714 LHASH_HASH_FN(index_name), 1715 LHASH_COMP_FN(index_name))) { 1716 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n", 1717 db->db->error, db->db->arg1, db->db->arg2); 1718 goto err; 1719 } 1720 return 1; 1721 err: 1722 ERR_print_errors(bio_err); 1723 return 0; 1724} 1725 1726int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1727{ 1728 char buf[3][BSIZE]; 1729 BIO *out; 1730 int j; 1731 1732 j = strlen(dbfile) + strlen(suffix); 1733 if (j + 6 >= BSIZE) { 1734 BIO_printf(bio_err, "File name too long\n"); 1735 goto err; 1736 } 1737#ifndef OPENSSL_SYS_VMS 1738 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile); 1739 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix); 1740 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix); 1741#else 1742 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile); 1743 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix); 1744 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix); 1745#endif 1746 out = BIO_new_file(buf[0], "w"); 1747 if (out == NULL) { 1748 perror(dbfile); 1749 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile); 1750 goto err; 1751 } 1752 j = TXT_DB_write(out, db->db); 1753 BIO_free(out); 1754 if (j <= 0) 1755 goto err; 1756 1757 out = BIO_new_file(buf[1], "w"); 1758 if (out == NULL) { 1759 perror(buf[2]); 1760 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]); 1761 goto err; 1762 } 1763 BIO_printf(out, "unique_subject = %s\n", 1764 db->attributes.unique_subject ? "yes" : "no"); 1765 BIO_free(out); 1766 1767 return 1; 1768 err: 1769 ERR_print_errors(bio_err); 1770 return 0; 1771} 1772 1773int rotate_index(const char *dbfile, const char *new_suffix, 1774 const char *old_suffix) 1775{ 1776 char buf[5][BSIZE]; 1777 int i, j; 1778 1779 i = strlen(dbfile) + strlen(old_suffix); 1780 j = strlen(dbfile) + strlen(new_suffix); 1781 if (i > j) 1782 j = i; 1783 if (j + 6 >= BSIZE) { 1784 BIO_printf(bio_err, "File name too long\n"); 1785 goto err; 1786 } 1787#ifndef OPENSSL_SYS_VMS 1788 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile); 1789 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix); 1790 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix); 1791 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix); 1792 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix); 1793#else 1794 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile); 1795 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix); 1796 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix); 1797 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix); 1798 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix); 1799#endif 1800 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT 1801#ifdef ENOTDIR 1802 && errno != ENOTDIR 1803#endif 1804 ) { 1805 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]); 1806 perror("reason"); 1807 goto err; 1808 } 1809 if (rename(buf[0], dbfile) < 0) { 1810 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile); 1811 perror("reason"); 1812 rename(buf[1], dbfile); 1813 goto err; 1814 } 1815 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT 1816#ifdef ENOTDIR 1817 && errno != ENOTDIR 1818#endif 1819 ) { 1820 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]); 1821 perror("reason"); 1822 rename(dbfile, buf[0]); 1823 rename(buf[1], dbfile); 1824 goto err; 1825 } 1826 if (rename(buf[2], buf[4]) < 0) { 1827 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]); 1828 perror("reason"); 1829 rename(buf[3], buf[4]); 1830 rename(dbfile, buf[0]); 1831 rename(buf[1], dbfile); 1832 goto err; 1833 } 1834 return 1; 1835 err: 1836 ERR_print_errors(bio_err); 1837 return 0; 1838} 1839 1840void free_index(CA_DB *db) 1841{ 1842 if (db) { 1843 TXT_DB_free(db->db); 1844 OPENSSL_free(db->dbfname); 1845 OPENSSL_free(db); 1846 } 1847} 1848 1849int parse_yesno(const char *str, int def) 1850{ 1851 if (str) { 1852 switch (*str) { 1853 case 'f': /* false */ 1854 case 'F': /* FALSE */ 1855 case 'n': /* no */ 1856 case 'N': /* NO */ 1857 case '0': /* 0 */ 1858 return 0; 1859 case 't': /* true */ 1860 case 'T': /* TRUE */ 1861 case 'y': /* yes */ 1862 case 'Y': /* YES */ 1863 case '1': /* 1 */ 1864 return 1; 1865 } 1866 } 1867 return def; 1868} 1869 1870/* 1871 * name is expected to be in the format /type0=value0/type1=value1/type2=... 1872 * where + can be used instead of / to form multi-valued RDNs if canmulti 1873 * and characters may be escaped by \ 1874 */ 1875X509_NAME *parse_name(const char *cp, int chtype, int canmulti, 1876 const char *desc) 1877{ 1878 int nextismulti = 0; 1879 char *work; 1880 X509_NAME *n; 1881 1882 if (*cp++ != '/') { 1883 BIO_printf(bio_err, 1884 "%s: %s name is expected to be in the format " 1885 "/type0=value0/type1=value1/type2=... where characters may " 1886 "be escaped by \\. This name is not in that format: '%s'\n", 1887 opt_getprog(), desc, --cp); 1888 return NULL; 1889 } 1890 1891 n = X509_NAME_new(); 1892 if (n == NULL) { 1893 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog()); 1894 return NULL; 1895 } 1896 work = OPENSSL_strdup(cp); 1897 if (work == NULL) { 1898 BIO_printf(bio_err, "%s: Error copying %s name input\n", 1899 opt_getprog(), desc); 1900 goto err; 1901 } 1902 1903 while (*cp != '\0') { 1904 char *bp = work; 1905 char *typestr = bp; 1906 unsigned char *valstr; 1907 int nid; 1908 int ismulti = nextismulti; 1909 nextismulti = 0; 1910 1911 /* Collect the type */ 1912 while (*cp != '\0' && *cp != '=') 1913 *bp++ = *cp++; 1914 *bp++ = '\0'; 1915 if (*cp == '\0') { 1916 BIO_printf(bio_err, 1917 "%s: Missing '=' after RDN type string '%s' in %s name string\n", 1918 opt_getprog(), typestr, desc); 1919 goto err; 1920 } 1921 ++cp; 1922 1923 /* Collect the value. */ 1924 valstr = (unsigned char *)bp; 1925 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) { 1926 /* unescaped '+' symbol string signals further member of multiRDN */ 1927 if (canmulti && *cp == '+') { 1928 nextismulti = 1; 1929 break; 1930 } 1931 if (*cp == '\\' && *++cp == '\0') { 1932 BIO_printf(bio_err, 1933 "%s: Escape character at end of %s name string\n", 1934 opt_getprog(), desc); 1935 goto err; 1936 } 1937 } 1938 *bp++ = '\0'; 1939 1940 /* If not at EOS (must be + or /), move forward. */ 1941 if (*cp != '\0') 1942 ++cp; 1943 1944 /* Parse */ 1945 nid = OBJ_txt2nid(typestr); 1946 if (nid == NID_undef) { 1947 BIO_printf(bio_err, 1948 "%s: Skipping unknown %s name attribute \"%s\"\n", 1949 opt_getprog(), desc, typestr); 1950 if (ismulti) 1951 BIO_printf(bio_err, 1952 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n"); 1953 continue; 1954 } 1955 if (*valstr == '\0') { 1956 BIO_printf(bio_err, 1957 "%s: No value provided for %s name attribute \"%s\", skipped\n", 1958 opt_getprog(), desc, typestr); 1959 continue; 1960 } 1961 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1962 valstr, strlen((char *)valstr), 1963 -1, ismulti ? -1 : 0)) { 1964 ERR_print_errors(bio_err); 1965 BIO_printf(bio_err, 1966 "%s: Error adding %s name attribute \"/%s=%s\"\n", 1967 opt_getprog(), desc, typestr ,valstr); 1968 goto err; 1969 } 1970 } 1971 1972 OPENSSL_free(work); 1973 return n; 1974 1975 err: 1976 X509_NAME_free(n); 1977 OPENSSL_free(work); 1978 return NULL; 1979} 1980 1981/* 1982 * Read whole contents of a BIO into an allocated memory buffer and return 1983 * it. 1984 */ 1985 1986int bio_to_mem(unsigned char **out, int maxlen, BIO *in) 1987{ 1988 BIO *mem; 1989 int len, ret; 1990 unsigned char tbuf[1024]; 1991 1992 mem = BIO_new(BIO_s_mem()); 1993 if (mem == NULL) 1994 return -1; 1995 for (;;) { 1996 if ((maxlen != -1) && maxlen < 1024) 1997 len = maxlen; 1998 else 1999 len = 1024; 2000 len = BIO_read(in, tbuf, len); 2001 if (len < 0) { 2002 BIO_free(mem); 2003 return -1; 2004 } 2005 if (len == 0) 2006 break; 2007 if (BIO_write(mem, tbuf, len) != len) { 2008 BIO_free(mem); 2009 return -1; 2010 } 2011 maxlen -= len; 2012 2013 if (maxlen == 0) 2014 break; 2015 } 2016 ret = BIO_get_mem_data(mem, (char **)out); 2017 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY); 2018 BIO_free(mem); 2019 return ret; 2020} 2021 2022int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value) 2023{ 2024 int rv = 0; 2025 char *stmp, *vtmp = NULL; 2026 2027 stmp = OPENSSL_strdup(value); 2028 if (stmp == NULL) 2029 return -1; 2030 vtmp = strchr(stmp, ':'); 2031 if (vtmp == NULL) 2032 goto err; 2033 2034 *vtmp = 0; 2035 vtmp++; 2036 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp); 2037 2038 err: 2039 OPENSSL_free(stmp); 2040 return rv; 2041} 2042 2043static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes) 2044{ 2045 X509_POLICY_NODE *node; 2046 int i; 2047 2048 BIO_printf(bio_err, "%s Policies:", name); 2049 if (nodes) { 2050 BIO_puts(bio_err, "\n"); 2051 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2052 node = sk_X509_POLICY_NODE_value(nodes, i); 2053 X509_POLICY_NODE_print(bio_err, node, 2); 2054 } 2055 } else { 2056 BIO_puts(bio_err, " <empty>\n"); 2057 } 2058} 2059 2060void policies_print(X509_STORE_CTX *ctx) 2061{ 2062 X509_POLICY_TREE *tree; 2063 int explicit_policy; 2064 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2065 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2066 2067 BIO_printf(bio_err, "Require explicit Policy: %s\n", 2068 explicit_policy ? "True" : "False"); 2069 2070 nodes_print("Authority", X509_policy_tree_get0_policies(tree)); 2071 nodes_print("User", X509_policy_tree_get0_user_policies(tree)); 2072} 2073 2074/*- 2075 * next_protos_parse parses a comma separated list of strings into a string 2076 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised. 2077 * outlen: (output) set to the length of the resulting buffer on success. 2078 * err: (maybe NULL) on failure, an error message line is written to this BIO. 2079 * in: a NUL terminated string like "abc,def,ghi" 2080 * 2081 * returns: a malloc'd buffer or NULL on failure. 2082 */ 2083unsigned char *next_protos_parse(size_t *outlen, const char *in) 2084{ 2085 size_t len; 2086 unsigned char *out; 2087 size_t i, start = 0; 2088 size_t skipped = 0; 2089 2090 len = strlen(in); 2091 if (len == 0 || len >= 65535) 2092 return NULL; 2093 2094 out = app_malloc(len + 1, "NPN buffer"); 2095 for (i = 0; i <= len; ++i) { 2096 if (i == len || in[i] == ',') { 2097 /* 2098 * Zero-length ALPN elements are invalid on the wire, we could be 2099 * strict and reject the entire string, but just ignoring extra 2100 * commas seems harmless and more friendly. 2101 * 2102 * Every comma we skip in this way puts the input buffer another 2103 * byte ahead of the output buffer, so all stores into the output 2104 * buffer need to be decremented by the number commas skipped. 2105 */ 2106 if (i == start) { 2107 ++start; 2108 ++skipped; 2109 continue; 2110 } 2111 if (i - start > 255) { 2112 OPENSSL_free(out); 2113 return NULL; 2114 } 2115 out[start-skipped] = (unsigned char)(i - start); 2116 start = i + 1; 2117 } else { 2118 out[i + 1 - skipped] = in[i]; 2119 } 2120 } 2121 2122 if (len <= skipped) { 2123 OPENSSL_free(out); 2124 return NULL; 2125 } 2126 2127 *outlen = len + 1 - skipped; 2128 return out; 2129} 2130 2131void print_cert_checks(BIO *bio, X509 *x, 2132 const char *checkhost, 2133 const char *checkemail, const char *checkip) 2134{ 2135 if (x == NULL) 2136 return; 2137 if (checkhost) { 2138 BIO_printf(bio, "Hostname %s does%s match certificate\n", 2139 checkhost, 2140 X509_check_host(x, checkhost, 0, 0, NULL) == 1 2141 ? "" : " NOT"); 2142 } 2143 2144 if (checkemail) { 2145 BIO_printf(bio, "Email %s does%s match certificate\n", 2146 checkemail, X509_check_email(x, checkemail, 0, 0) 2147 ? "" : " NOT"); 2148 } 2149 2150 if (checkip) { 2151 BIO_printf(bio, "IP %s does%s match certificate\n", 2152 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT"); 2153 } 2154} 2155 2156static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts) 2157{ 2158 int i; 2159 2160 if (opts == NULL) 2161 return 1; 2162 2163 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2164 char *opt = sk_OPENSSL_STRING_value(opts, i); 2165 if (pkey_ctrl_string(pkctx, opt) <= 0) { 2166 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2167 ERR_print_errors(bio_err); 2168 return 0; 2169 } 2170 } 2171 2172 return 1; 2173} 2174 2175static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts) 2176{ 2177 int i; 2178 2179 if (opts == NULL) 2180 return 1; 2181 2182 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2183 char *opt = sk_OPENSSL_STRING_value(opts, i); 2184 if (x509_ctrl_string(x, opt) <= 0) { 2185 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2186 ERR_print_errors(bio_err); 2187 return 0; 2188 } 2189 } 2190 2191 return 1; 2192} 2193 2194static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts) 2195{ 2196 int i; 2197 2198 if (opts == NULL) 2199 return 1; 2200 2201 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) { 2202 char *opt = sk_OPENSSL_STRING_value(opts, i); 2203 if (x509_req_ctrl_string(x, opt) <= 0) { 2204 BIO_printf(bio_err, "parameter error \"%s\"\n", opt); 2205 ERR_print_errors(bio_err); 2206 return 0; 2207 } 2208 } 2209 2210 return 1; 2211} 2212 2213static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey, 2214 const char *md, STACK_OF(OPENSSL_STRING) *sigopts) 2215{ 2216 EVP_PKEY_CTX *pkctx = NULL; 2217 char def_md[80]; 2218 2219 if (ctx == NULL) 2220 return 0; 2221 /* 2222 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory 2223 * for this algorithm. 2224 */ 2225 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2 2226 && strcmp(def_md, "UNDEF") == 0) { 2227 /* The signing algorithm requires there to be no digest */ 2228 md = NULL; 2229 } 2230 2231 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(), 2232 app_get0_propq(), pkey, NULL) 2233 && do_pkey_ctx_init(pkctx, sigopts); 2234} 2235 2236static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx, 2237 const char *name, const char *value, int add_default) 2238{ 2239 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2240 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value); 2241 int idx, rv = 0; 2242 2243 if (new_ext == NULL) 2244 return rv; 2245 2246 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1); 2247 if (idx >= 0) { 2248 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx); 2249 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext); 2250 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */ 2251 2252 if (disabled) { 2253 X509_delete_ext(cert, idx); 2254 X509_EXTENSION_free(found_ext); 2255 } /* else keep existing key identifier, which might be outdated */ 2256 rv = 1; 2257 } else { 2258 rv = !add_default || X509_add_ext(cert, new_ext, -1); 2259 } 2260 X509_EXTENSION_free(new_ext); 2261 return rv; 2262} 2263 2264/* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */ 2265int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md, 2266 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx) 2267{ 2268 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert); 2269 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2270 int self_sign; 2271 int rv = 0; 2272 2273 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) { 2274 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */ 2275 if (!X509_set_version(cert, X509_VERSION_3)) 2276 goto end; 2277 2278 /* 2279 * Add default SKID before such that default AKID can make use of it 2280 * in case the certificate is self-signed 2281 */ 2282 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */ 2283 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1)) 2284 goto end; 2285 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */ 2286 ERR_set_mark(); 2287 self_sign = X509_check_private_key(cert, pkey); 2288 ERR_pop_to_mark(); 2289 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier", 2290 "keyid, issuer", !self_sign)) 2291 goto end; 2292 } 2293 2294 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0) 2295 rv = (X509_sign_ctx(cert, mctx) > 0); 2296 end: 2297 EVP_MD_CTX_free(mctx); 2298 return rv; 2299} 2300 2301/* Sign the certificate request info */ 2302int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md, 2303 STACK_OF(OPENSSL_STRING) *sigopts) 2304{ 2305 int rv = 0; 2306 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2307 2308 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2309 rv = (X509_REQ_sign_ctx(x, mctx) > 0); 2310 EVP_MD_CTX_free(mctx); 2311 return rv; 2312} 2313 2314/* Sign the CRL info */ 2315int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md, 2316 STACK_OF(OPENSSL_STRING) *sigopts) 2317{ 2318 int rv = 0; 2319 EVP_MD_CTX *mctx = EVP_MD_CTX_new(); 2320 2321 if (do_sign_init(mctx, pkey, md, sigopts) > 0) 2322 rv = (X509_CRL_sign_ctx(x, mctx) > 0); 2323 EVP_MD_CTX_free(mctx); 2324 return rv; 2325} 2326 2327/* 2328 * do_X509_verify returns 1 if the signature is valid, 2329 * 0 if the signature check fails, or -1 if error occurs. 2330 */ 2331int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts) 2332{ 2333 int rv = 0; 2334 2335 if (do_x509_init(x, vfyopts) > 0) 2336 rv = X509_verify(x, pkey); 2337 else 2338 rv = -1; 2339 return rv; 2340} 2341 2342/* 2343 * do_X509_REQ_verify returns 1 if the signature is valid, 2344 * 0 if the signature check fails, or -1 if error occurs. 2345 */ 2346int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey, 2347 STACK_OF(OPENSSL_STRING) *vfyopts) 2348{ 2349 int rv = 0; 2350 2351 if (do_x509_req_init(x, vfyopts) > 0) 2352 rv = X509_REQ_verify_ex(x, pkey, 2353 app_get0_libctx(), app_get0_propq()); 2354 else 2355 rv = -1; 2356 return rv; 2357} 2358 2359/* Get first http URL from a DIST_POINT structure */ 2360 2361static const char *get_dp_url(DIST_POINT *dp) 2362{ 2363 GENERAL_NAMES *gens; 2364 GENERAL_NAME *gen; 2365 int i, gtype; 2366 ASN1_STRING *uri; 2367 if (!dp->distpoint || dp->distpoint->type != 0) 2368 return NULL; 2369 gens = dp->distpoint->name.fullname; 2370 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) { 2371 gen = sk_GENERAL_NAME_value(gens, i); 2372 uri = GENERAL_NAME_get0_value(gen, >ype); 2373 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) { 2374 const char *uptr = (const char *)ASN1_STRING_get0_data(uri); 2375 2376 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */ 2377 return uptr; 2378 } 2379 } 2380 return NULL; 2381} 2382 2383/* 2384 * Look through a CRLDP structure and attempt to find an http URL to 2385 * downloads a CRL from. 2386 */ 2387 2388static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp) 2389{ 2390 int i; 2391 const char *urlptr = NULL; 2392 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) { 2393 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i); 2394 urlptr = get_dp_url(dp); 2395 if (urlptr != NULL) 2396 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP"); 2397 } 2398 return NULL; 2399} 2400 2401/* 2402 * Example of downloading CRLs from CRLDP: 2403 * not usable for real world as it always downloads and doesn't cache anything. 2404 */ 2405 2406static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx, 2407 const X509_NAME *nm) 2408{ 2409 X509 *x; 2410 STACK_OF(X509_CRL) *crls = NULL; 2411 X509_CRL *crl; 2412 STACK_OF(DIST_POINT) *crldp; 2413 2414 crls = sk_X509_CRL_new_null(); 2415 if (!crls) 2416 return NULL; 2417 x = X509_STORE_CTX_get_current_cert(ctx); 2418 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL); 2419 crl = load_crl_crldp(crldp); 2420 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2421 if (!crl) { 2422 sk_X509_CRL_free(crls); 2423 return NULL; 2424 } 2425 sk_X509_CRL_push(crls, crl); 2426 /* Try to download delta CRL */ 2427 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL); 2428 crl = load_crl_crldp(crldp); 2429 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free); 2430 if (crl) 2431 sk_X509_CRL_push(crls, crl); 2432 return crls; 2433} 2434 2435void store_setup_crl_download(X509_STORE *st) 2436{ 2437 X509_STORE_set_lookup_crls_cb(st, crls_http_cb); 2438} 2439 2440#ifndef OPENSSL_NO_SOCK 2441static const char *tls_error_hint(void) 2442{ 2443 unsigned long err = ERR_peek_error(); 2444 2445 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2446 err = ERR_peek_last_error(); 2447 if (ERR_GET_LIB(err) != ERR_LIB_SSL) 2448 return NULL; 2449 2450 switch (ERR_GET_REASON(err)) { 2451 case SSL_R_WRONG_VERSION_NUMBER: 2452 return "The server does not support (a suitable version of) TLS"; 2453 case SSL_R_UNKNOWN_PROTOCOL: 2454 return "The server does not support HTTPS"; 2455 case SSL_R_CERTIFICATE_VERIFY_FAILED: 2456 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status"; 2457 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA: 2458 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status"; 2459 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE: 2460 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it"; 2461 default: /* no error or no hint available for error */ 2462 return NULL; 2463 } 2464} 2465 2466/* HTTP callback function that supports TLS connection also via HTTPS proxy */ 2467BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail) 2468{ 2469 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg; 2470 SSL_CTX *ssl_ctx = info->ssl_ctx; 2471 2472 if (ssl_ctx == NULL) /* not using TLS */ 2473 return bio; 2474 if (connect) { 2475 SSL *ssl; 2476 BIO *sbio = NULL; 2477 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx); 2478 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts); 2479 const char *host = vpm == NULL ? NULL : 2480 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */); 2481 2482 /* adapt after fixing callback design flaw, see #17088 */ 2483 if ((info->use_proxy 2484 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port, 2485 NULL, NULL, /* no proxy credentials */ 2486 info->timeout, bio_err, opt_getprog())) 2487 || (sbio = BIO_new(BIO_f_ssl())) == NULL) { 2488 return NULL; 2489 } 2490 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) { 2491 BIO_free(sbio); 2492 return NULL; 2493 } 2494 2495 if (vpm != NULL) 2496 SSL_set_tlsext_host_name(ssl, host /* may be NULL */); 2497 2498 SSL_set_connect_state(ssl); 2499 BIO_set_ssl(sbio, ssl, BIO_CLOSE); 2500 2501 bio = BIO_push(sbio, bio); 2502 } 2503 if (!connect) { 2504 const char *hint; 2505 BIO *cbio; 2506 2507 if (!detail) { /* disconnecting after error */ 2508 hint = tls_error_hint(); 2509 if (hint != NULL) 2510 ERR_add_error_data(2, " : ", hint); 2511 } 2512 if (ssl_ctx != NULL) { 2513 (void)ERR_set_mark(); 2514 BIO_ssl_shutdown(bio); 2515 cbio = BIO_pop(bio); /* connect+HTTP BIO */ 2516 BIO_free(bio); /* SSL BIO */ 2517 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */ 2518 bio = cbio; 2519 } 2520 } 2521 return bio; 2522} 2523 2524void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info) 2525{ 2526 if (info != NULL) { 2527 SSL_CTX_free(info->ssl_ctx); 2528 OPENSSL_free(info); 2529 } 2530} 2531 2532ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy, 2533 const char *no_proxy, SSL_CTX *ssl_ctx, 2534 const STACK_OF(CONF_VALUE) *headers, 2535 long timeout, const char *expected_content_type, 2536 const ASN1_ITEM *it) 2537{ 2538 APP_HTTP_TLS_INFO info; 2539 char *server; 2540 char *port; 2541 int use_ssl; 2542 BIO *mem; 2543 ASN1_VALUE *resp = NULL; 2544 2545 if (url == NULL || it == NULL) { 2546 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER); 2547 return NULL; 2548 } 2549 2550 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port, 2551 NULL /* port_num, */, NULL, NULL, NULL)) 2552 return NULL; 2553 if (use_ssl && ssl_ctx == NULL) { 2554 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER, 2555 "missing SSL_CTX"); 2556 goto end; 2557 } 2558 if (!use_ssl && ssl_ctx != NULL) { 2559 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT, 2560 "SSL_CTX given but use_ssl == 0"); 2561 goto end; 2562 } 2563 2564 info.server = server; 2565 info.port = port; 2566 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2567 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL; 2568 info.timeout = timeout; 2569 info.ssl_ctx = ssl_ctx; 2570 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2571 app_http_tls_cb, &info, 0 /* buf_size */, headers, 2572 expected_content_type, 1 /* expect_asn1 */, 2573 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout); 2574 resp = ASN1_item_d2i_bio(it, mem, NULL); 2575 BIO_free(mem); 2576 2577 end: 2578 OPENSSL_free(server); 2579 OPENSSL_free(port); 2580 return resp; 2581 2582} 2583 2584ASN1_VALUE *app_http_post_asn1(const char *host, const char *port, 2585 const char *path, const char *proxy, 2586 const char *no_proxy, SSL_CTX *ssl_ctx, 2587 const STACK_OF(CONF_VALUE) *headers, 2588 const char *content_type, 2589 ASN1_VALUE *req, const ASN1_ITEM *req_it, 2590 const char *expected_content_type, 2591 long timeout, const ASN1_ITEM *rsp_it) 2592{ 2593 int use_ssl = ssl_ctx != NULL; 2594 APP_HTTP_TLS_INFO info; 2595 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req); 2596 ASN1_VALUE *res; 2597 2598 if (req_mem == NULL) 2599 return NULL; 2600 2601 info.server = host; 2602 info.port = port; 2603 info.use_proxy = /* workaround for callback design flaw, see #17088 */ 2604 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL; 2605 info.timeout = timeout; 2606 info.ssl_ctx = ssl_ctx; 2607 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl, 2608 proxy, no_proxy, NULL /* bio */, NULL /* rbio */, 2609 app_http_tls_cb, &info, 2610 0 /* buf_size */, headers, content_type, req_mem, 2611 expected_content_type, 1 /* expect_asn1 */, 2612 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout, 2613 0 /* keep_alive */); 2614 BIO_free(req_mem); 2615 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL); 2616 BIO_free(rsp); 2617 return res; 2618} 2619 2620#endif 2621 2622/* 2623 * Platform-specific sections 2624 */ 2625#if defined(_WIN32) 2626# ifdef fileno 2627# undef fileno 2628# define fileno(a) (int)_fileno(a) 2629# endif 2630 2631# include <windows.h> 2632# include <tchar.h> 2633 2634static int WIN32_rename(const char *from, const char *to) 2635{ 2636 TCHAR *tfrom = NULL, *tto; 2637 DWORD err; 2638 int ret = 0; 2639 2640 if (sizeof(TCHAR) == 1) { 2641 tfrom = (TCHAR *)from; 2642 tto = (TCHAR *)to; 2643 } else { /* UNICODE path */ 2644 2645 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1; 2646 tfrom = malloc(sizeof(*tfrom) * (flen + tlen)); 2647 if (tfrom == NULL) 2648 goto err; 2649 tto = tfrom + flen; 2650# if !defined(_WIN32_WCE) || _WIN32_WCE>=101 2651 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen)) 2652# endif 2653 for (i = 0; i < flen; i++) 2654 tfrom[i] = (TCHAR)from[i]; 2655# if !defined(_WIN32_WCE) || _WIN32_WCE>=101 2656 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen)) 2657# endif 2658 for (i = 0; i < tlen; i++) 2659 tto[i] = (TCHAR)to[i]; 2660 } 2661 2662 if (MoveFile(tfrom, tto)) 2663 goto ok; 2664 err = GetLastError(); 2665 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) { 2666 if (DeleteFile(tto) && MoveFile(tfrom, tto)) 2667 goto ok; 2668 err = GetLastError(); 2669 } 2670 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND) 2671 errno = ENOENT; 2672 else if (err == ERROR_ACCESS_DENIED) 2673 errno = EACCES; 2674 else 2675 errno = EINVAL; /* we could map more codes... */ 2676 err: 2677 ret = -1; 2678 ok: 2679 if (tfrom != NULL && tfrom != (TCHAR *)from) 2680 free(tfrom); 2681 return ret; 2682} 2683#endif 2684 2685/* app_tminterval section */ 2686#if defined(_WIN32) 2687double app_tminterval(int stop, int usertime) 2688{ 2689 FILETIME now; 2690 double ret = 0; 2691 static ULARGE_INTEGER tmstart; 2692 static int warning = 1; 2693# ifdef _WIN32_WINNT 2694 static HANDLE proc = NULL; 2695 2696 if (proc == NULL) { 2697 if (check_winnt()) 2698 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, 2699 GetCurrentProcessId()); 2700 if (proc == NULL) 2701 proc = (HANDLE) - 1; 2702 } 2703 2704 if (usertime && proc != (HANDLE) - 1) { 2705 FILETIME junk; 2706 GetProcessTimes(proc, &junk, &junk, &junk, &now); 2707 } else 2708# endif 2709 { 2710 SYSTEMTIME systime; 2711 2712 if (usertime && warning) { 2713 BIO_printf(bio_err, "To get meaningful results, run " 2714 "this program on idle system.\n"); 2715 warning = 0; 2716 } 2717 GetSystemTime(&systime); 2718 SystemTimeToFileTime(&systime, &now); 2719 } 2720 2721 if (stop == TM_START) { 2722 tmstart.u.LowPart = now.dwLowDateTime; 2723 tmstart.u.HighPart = now.dwHighDateTime; 2724 } else { 2725 ULARGE_INTEGER tmstop; 2726 2727 tmstop.u.LowPart = now.dwLowDateTime; 2728 tmstop.u.HighPart = now.dwHighDateTime; 2729 2730 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7; 2731 } 2732 2733 return ret; 2734} 2735#elif defined(OPENSSL_SYS_VXWORKS) 2736# include <time.h> 2737 2738double app_tminterval(int stop, int usertime) 2739{ 2740 double ret = 0; 2741# ifdef CLOCK_REALTIME 2742 static struct timespec tmstart; 2743 struct timespec now; 2744# else 2745 static unsigned long tmstart; 2746 unsigned long now; 2747# endif 2748 static int warning = 1; 2749 2750 if (usertime && warning) { 2751 BIO_printf(bio_err, "To get meaningful results, run " 2752 "this program on idle system.\n"); 2753 warning = 0; 2754 } 2755# ifdef CLOCK_REALTIME 2756 clock_gettime(CLOCK_REALTIME, &now); 2757 if (stop == TM_START) 2758 tmstart = now; 2759 else 2760 ret = ((now.tv_sec + now.tv_nsec * 1e-9) 2761 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9)); 2762# else 2763 now = tickGet(); 2764 if (stop == TM_START) 2765 tmstart = now; 2766 else 2767 ret = (now - tmstart) / (double)sysClkRateGet(); 2768# endif 2769 return ret; 2770} 2771 2772#elif defined(_SC_CLK_TCK) /* by means of unistd.h */ 2773# include <sys/times.h> 2774 2775double app_tminterval(int stop, int usertime) 2776{ 2777 double ret = 0; 2778 struct tms rus; 2779 clock_t now = times(&rus); 2780 static clock_t tmstart; 2781 2782 if (usertime) 2783 now = rus.tms_utime; 2784 2785 if (stop == TM_START) { 2786 tmstart = now; 2787 } else { 2788 long int tck = sysconf(_SC_CLK_TCK); 2789 ret = (now - tmstart) / (double)tck; 2790 } 2791 2792 return ret; 2793} 2794 2795#else 2796# include <sys/time.h> 2797# include <sys/resource.h> 2798 2799double app_tminterval(int stop, int usertime) 2800{ 2801 double ret = 0; 2802 struct rusage rus; 2803 struct timeval now; 2804 static struct timeval tmstart; 2805 2806 if (usertime) 2807 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime; 2808 else 2809 gettimeofday(&now, NULL); 2810 2811 if (stop == TM_START) 2812 tmstart = now; 2813 else 2814 ret = ((now.tv_sec + now.tv_usec * 1e-6) 2815 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6)); 2816 2817 return ret; 2818} 2819#endif 2820 2821int app_access(const char* name, int flag) 2822{ 2823#ifdef _WIN32 2824 return _access(name, flag); 2825#else 2826 return access(name, flag); 2827#endif 2828} 2829 2830int app_isdir(const char *name) 2831{ 2832 return opt_isdir(name); 2833} 2834 2835/* raw_read|write section */ 2836#if defined(__VMS) 2837# include "vms_term_sock.h" 2838static int stdin_sock = -1; 2839 2840static void close_stdin_sock(void) 2841{ 2842 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock); 2843} 2844 2845int fileno_stdin(void) 2846{ 2847 if (stdin_sock == -1) { 2848 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock); 2849 atexit(close_stdin_sock); 2850 } 2851 2852 return stdin_sock; 2853} 2854#else 2855int fileno_stdin(void) 2856{ 2857 return fileno(stdin); 2858} 2859#endif 2860 2861int fileno_stdout(void) 2862{ 2863 return fileno(stdout); 2864} 2865 2866#if defined(_WIN32) && defined(STD_INPUT_HANDLE) 2867int raw_read_stdin(void *buf, int siz) 2868{ 2869 DWORD n; 2870 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL)) 2871 return n; 2872 else 2873 return -1; 2874} 2875#elif defined(__VMS) 2876# include <sys/socket.h> 2877 2878int raw_read_stdin(void *buf, int siz) 2879{ 2880 return recv(fileno_stdin(), buf, siz, 0); 2881} 2882#else 2883# if defined(__TANDEM) 2884# if defined(OPENSSL_TANDEM_FLOSS) 2885# include <floss.h(floss_read)> 2886# endif 2887# endif 2888int raw_read_stdin(void *buf, int siz) 2889{ 2890 return read(fileno_stdin(), buf, siz); 2891} 2892#endif 2893 2894#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE) 2895int raw_write_stdout(const void *buf, int siz) 2896{ 2897 DWORD n; 2898 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL)) 2899 return n; 2900 else 2901 return -1; 2902} 2903#elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_) 2904# if defined(__TANDEM) 2905# if defined(OPENSSL_TANDEM_FLOSS) 2906# include <floss.h(floss_write)> 2907# endif 2908# endif 2909int raw_write_stdout(const void *buf,int siz) 2910{ 2911 return write(fileno(stdout),(void*)buf,siz); 2912} 2913#else 2914# if defined(__TANDEM) 2915# if defined(OPENSSL_TANDEM_FLOSS) 2916# include <floss.h(floss_write)> 2917# endif 2918# endif 2919int raw_write_stdout(const void *buf, int siz) 2920{ 2921 return write(fileno_stdout(), buf, siz); 2922} 2923#endif 2924 2925/* 2926 * Centralized handling of input and output files with format specification 2927 * The format is meant to show what the input and output is supposed to be, 2928 * and is therefore a show of intent more than anything else. However, it 2929 * does impact behavior on some platforms, such as differentiating between 2930 * text and binary input/output on non-Unix platforms 2931 */ 2932BIO *dup_bio_in(int format) 2933{ 2934 return BIO_new_fp(stdin, 2935 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2936} 2937 2938BIO *dup_bio_out(int format) 2939{ 2940 BIO *b = BIO_new_fp(stdout, 2941 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2942 void *prefix = NULL; 2943 2944 if (b == NULL) 2945 return NULL; 2946 2947#ifdef OPENSSL_SYS_VMS 2948 if (FMT_istext(format)) 2949 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 2950#endif 2951 2952 if (FMT_istext(format) 2953 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) { 2954 b = BIO_push(BIO_new(BIO_f_prefix()), b); 2955 BIO_set_prefix(b, prefix); 2956 } 2957 2958 return b; 2959} 2960 2961BIO *dup_bio_err(int format) 2962{ 2963 BIO *b = BIO_new_fp(stderr, 2964 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0)); 2965#ifdef OPENSSL_SYS_VMS 2966 if (b != NULL && FMT_istext(format)) 2967 b = BIO_push(BIO_new(BIO_f_linebuffer()), b); 2968#endif 2969 return b; 2970} 2971 2972void unbuffer(FILE *fp) 2973{ 2974/* 2975 * On VMS, setbuf() will only take 32-bit pointers, and a compilation 2976 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here. 2977 * However, we trust that the C RTL will never give us a FILE pointer 2978 * above the first 4 GB of memory, so we simply turn off the warning 2979 * temporarily. 2980 */ 2981#if defined(OPENSSL_SYS_VMS) && defined(__DECC) 2982# pragma environment save 2983# pragma message disable maylosedata2 2984#endif 2985 setbuf(fp, NULL); 2986#if defined(OPENSSL_SYS_VMS) && defined(__DECC) 2987# pragma environment restore 2988#endif 2989} 2990 2991static const char *modestr(char mode, int format) 2992{ 2993 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w'); 2994 2995 switch (mode) { 2996 case 'a': 2997 return FMT_istext(format) ? "a" : "ab"; 2998 case 'r': 2999 return FMT_istext(format) ? "r" : "rb"; 3000 case 'w': 3001 return FMT_istext(format) ? "w" : "wb"; 3002 } 3003 /* The assert above should make sure we never reach this point */ 3004 return NULL; 3005} 3006 3007static const char *modeverb(char mode) 3008{ 3009 switch (mode) { 3010 case 'a': 3011 return "appending"; 3012 case 'r': 3013 return "reading"; 3014 case 'w': 3015 return "writing"; 3016 } 3017 return "(doing something)"; 3018} 3019 3020/* 3021 * Open a file for writing, owner-read-only. 3022 */ 3023BIO *bio_open_owner(const char *filename, int format, int private) 3024{ 3025 FILE *fp = NULL; 3026 BIO *b = NULL; 3027 int textmode, bflags; 3028#ifndef OPENSSL_NO_POSIX_IO 3029 int fd = -1, mode; 3030#endif 3031 3032 if (!private || filename == NULL || strcmp(filename, "-") == 0) 3033 return bio_open_default(filename, 'w', format); 3034 3035 textmode = FMT_istext(format); 3036#ifndef OPENSSL_NO_POSIX_IO 3037 mode = O_WRONLY; 3038# ifdef O_CREAT 3039 mode |= O_CREAT; 3040# endif 3041# ifdef O_TRUNC 3042 mode |= O_TRUNC; 3043# endif 3044 if (!textmode) { 3045# ifdef O_BINARY 3046 mode |= O_BINARY; 3047# elif defined(_O_BINARY) 3048 mode |= _O_BINARY; 3049# endif 3050 } 3051 3052# ifdef OPENSSL_SYS_VMS 3053 /* VMS doesn't have O_BINARY, it just doesn't make sense. But, 3054 * it still needs to know that we're going binary, or fdopen() 3055 * will fail with "invalid argument"... so we tell VMS what the 3056 * context is. 3057 */ 3058 if (!textmode) 3059 fd = open(filename, mode, 0600, "ctx=bin"); 3060 else 3061# endif 3062 fd = open(filename, mode, 0600); 3063 if (fd < 0) 3064 goto err; 3065 fp = fdopen(fd, modestr('w', format)); 3066#else /* OPENSSL_NO_POSIX_IO */ 3067 /* Have stdio but not Posix IO, do the best we can */ 3068 fp = fopen(filename, modestr('w', format)); 3069#endif /* OPENSSL_NO_POSIX_IO */ 3070 if (fp == NULL) 3071 goto err; 3072 bflags = BIO_CLOSE; 3073 if (textmode) 3074 bflags |= BIO_FP_TEXT; 3075 b = BIO_new_fp(fp, bflags); 3076 if (b != NULL) 3077 return b; 3078 3079 err: 3080 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n", 3081 opt_getprog(), filename, strerror(errno)); 3082 ERR_print_errors(bio_err); 3083 /* If we have fp, then fdopen took over fd, so don't close both. */ 3084 if (fp != NULL) 3085 fclose(fp); 3086#ifndef OPENSSL_NO_POSIX_IO 3087 else if (fd >= 0) 3088 close(fd); 3089#endif 3090 return NULL; 3091} 3092 3093static BIO *bio_open_default_(const char *filename, char mode, int format, 3094 int quiet) 3095{ 3096 BIO *ret; 3097 3098 if (filename == NULL || strcmp(filename, "-") == 0) { 3099 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format); 3100 if (quiet) { 3101 ERR_clear_error(); 3102 return ret; 3103 } 3104 if (ret != NULL) 3105 return ret; 3106 BIO_printf(bio_err, 3107 "Can't open %s, %s\n", 3108 mode == 'r' ? "stdin" : "stdout", strerror(errno)); 3109 } else { 3110 ret = BIO_new_file(filename, modestr(mode, format)); 3111 if (quiet) { 3112 ERR_clear_error(); 3113 return ret; 3114 } 3115 if (ret != NULL) 3116 return ret; 3117 BIO_printf(bio_err, 3118 "Can't open \"%s\" for %s, %s\n", 3119 filename, modeverb(mode), strerror(errno)); 3120 } 3121 ERR_print_errors(bio_err); 3122 return NULL; 3123} 3124 3125BIO *bio_open_default(const char *filename, char mode, int format) 3126{ 3127 return bio_open_default_(filename, mode, format, 0); 3128} 3129 3130BIO *bio_open_default_quiet(const char *filename, char mode, int format) 3131{ 3132 return bio_open_default_(filename, mode, format, 1); 3133} 3134 3135void wait_for_async(SSL *s) 3136{ 3137 /* On Windows select only works for sockets, so we simply don't wait */ 3138#ifndef OPENSSL_SYS_WINDOWS 3139 int width = 0; 3140 fd_set asyncfds; 3141 OSSL_ASYNC_FD *fds; 3142 size_t numfds; 3143 size_t i; 3144 3145 if (!SSL_get_all_async_fds(s, NULL, &numfds)) 3146 return; 3147 if (numfds == 0) 3148 return; 3149 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds"); 3150 if (!SSL_get_all_async_fds(s, fds, &numfds)) { 3151 OPENSSL_free(fds); 3152 return; 3153 } 3154 3155 FD_ZERO(&asyncfds); 3156 for (i = 0; i < numfds; i++) { 3157 if (width <= (int)fds[i]) 3158 width = (int)fds[i] + 1; 3159 openssl_fdset((int)fds[i], &asyncfds); 3160 } 3161 select(width, (void *)&asyncfds, NULL, NULL, NULL); 3162 OPENSSL_free(fds); 3163#endif 3164} 3165 3166/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */ 3167#if defined(OPENSSL_SYS_MSDOS) 3168int has_stdin_waiting(void) 3169{ 3170# if defined(OPENSSL_SYS_WINDOWS) 3171 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE); 3172 DWORD events = 0; 3173 INPUT_RECORD inputrec; 3174 DWORD insize = 1; 3175 BOOL peeked; 3176 3177 if (inhand == INVALID_HANDLE_VALUE) { 3178 return 0; 3179 } 3180 3181 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events); 3182 if (!peeked) { 3183 /* Probably redirected input? _kbhit() does not work in this case */ 3184 if (!feof(stdin)) { 3185 return 1; 3186 } 3187 return 0; 3188 } 3189# endif 3190 return _kbhit(); 3191} 3192#endif 3193 3194/* Corrupt a signature by modifying final byte */ 3195void corrupt_signature(const ASN1_STRING *signature) 3196{ 3197 unsigned char *s = signature->data; 3198 s[signature->length - 1] ^= 0x1; 3199} 3200 3201int set_cert_times(X509 *x, const char *startdate, const char *enddate, 3202 int days) 3203{ 3204 if (startdate == NULL || strcmp(startdate, "today") == 0) { 3205 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL) 3206 return 0; 3207 } else { 3208 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate)) 3209 return 0; 3210 } 3211 if (enddate == NULL) { 3212 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL) 3213 == NULL) 3214 return 0; 3215 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) { 3216 return 0; 3217 } 3218 return 1; 3219} 3220 3221int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate) 3222{ 3223 int ret = 0; 3224 ASN1_TIME *tm = ASN1_TIME_new(); 3225 3226 if (tm == NULL) 3227 goto end; 3228 3229 if (lastupdate == NULL) { 3230 if (X509_gmtime_adj(tm, 0) == NULL) 3231 goto end; 3232 } else { 3233 if (!ASN1_TIME_set_string_X509(tm, lastupdate)) 3234 goto end; 3235 } 3236 3237 if (!X509_CRL_set1_lastUpdate(crl, tm)) 3238 goto end; 3239 3240 ret = 1; 3241end: 3242 ASN1_TIME_free(tm); 3243 return ret; 3244} 3245 3246int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate, 3247 long days, long hours, long secs) 3248{ 3249 int ret = 0; 3250 ASN1_TIME *tm = ASN1_TIME_new(); 3251 3252 if (tm == NULL) 3253 goto end; 3254 3255 if (nextupdate == NULL) { 3256 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL) 3257 goto end; 3258 } else { 3259 if (!ASN1_TIME_set_string_X509(tm, nextupdate)) 3260 goto end; 3261 } 3262 3263 if (!X509_CRL_set1_nextUpdate(crl, tm)) 3264 goto end; 3265 3266 ret = 1; 3267end: 3268 ASN1_TIME_free(tm); 3269 return ret; 3270} 3271 3272void make_uppercase(char *string) 3273{ 3274 int i; 3275 3276 for (i = 0; string[i] != '\0'; i++) 3277 string[i] = toupper((unsigned char)string[i]); 3278} 3279 3280/* This function is defined here due to visibility of bio_err */ 3281int opt_printf_stderr(const char *fmt, ...) 3282{ 3283 va_list ap; 3284 int ret; 3285 3286 va_start(ap, fmt); 3287 ret = BIO_vprintf(bio_err, fmt, ap); 3288 va_end(ap); 3289 return ret; 3290} 3291 3292OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts, 3293 const OSSL_PARAM *paramdefs) 3294{ 3295 OSSL_PARAM *params = NULL; 3296 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts); 3297 size_t params_n; 3298 char *opt = "", *stmp, *vtmp = NULL; 3299 int found = 1; 3300 3301 if (opts == NULL) 3302 return NULL; 3303 3304 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1)); 3305 if (params == NULL) 3306 return NULL; 3307 3308 for (params_n = 0; params_n < sz; params_n++) { 3309 opt = sk_OPENSSL_STRING_value(opts, (int)params_n); 3310 if ((stmp = OPENSSL_strdup(opt)) == NULL 3311 || (vtmp = strchr(stmp, ':')) == NULL) 3312 goto err; 3313 /* Replace ':' with 0 to terminate the string pointed to by stmp */ 3314 *vtmp = 0; 3315 /* Skip over the separator so that vmtp points to the value */ 3316 vtmp++; 3317 if (!OSSL_PARAM_allocate_from_text(¶ms[params_n], paramdefs, 3318 stmp, vtmp, strlen(vtmp), &found)) 3319 goto err; 3320 OPENSSL_free(stmp); 3321 } 3322 params[params_n] = OSSL_PARAM_construct_end(); 3323 return params; 3324err: 3325 OPENSSL_free(stmp); 3326 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown", 3327 opt); 3328 ERR_print_errors(bio_err); 3329 app_params_free(params); 3330 return NULL; 3331} 3332 3333void app_params_free(OSSL_PARAM *params) 3334{ 3335 int i; 3336 3337 if (params != NULL) { 3338 for (i = 0; params[i].key != NULL; ++i) 3339 OPENSSL_free(params[i].data); 3340 OPENSSL_free(params); 3341 } 3342} 3343 3344EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose) 3345{ 3346 EVP_PKEY *res = NULL; 3347 3348 if (verbose && alg != NULL) { 3349 BIO_printf(bio_err, "Generating %s key", alg); 3350 if (bits > 0) 3351 BIO_printf(bio_err, " with %d bits\n", bits); 3352 else 3353 BIO_printf(bio_err, "\n"); 3354 } 3355 if (!RAND_status()) 3356 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n" 3357 "if the system has a poor entropy source\n"); 3358 if (EVP_PKEY_keygen(ctx, &res) <= 0) 3359 BIO_printf(bio_err, "%s: Error generating %s key\n", opt_getprog(), 3360 alg != NULL ? alg : "asymmetric"); 3361 return res; 3362} 3363 3364EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg) 3365{ 3366 EVP_PKEY *res = NULL; 3367 3368 if (!RAND_status()) 3369 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n" 3370 "if the system has a poor entropy source\n"); 3371 if (EVP_PKEY_paramgen(ctx, &res) <= 0) 3372 BIO_printf(bio_err, "%s: Generating %s key parameters failed\n", 3373 opt_getprog(), alg != NULL ? alg : "asymmetric"); 3374 return res; 3375} 3376 3377/* 3378 * Return non-zero if the legacy path is still an option. 3379 * This decision is based on the global command line operations and the 3380 * behaviour thus far. 3381 */ 3382int opt_legacy_okay(void) 3383{ 3384 int provider_options = opt_provider_option_given(); 3385 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL; 3386 /* 3387 * Having a provider option specified or a custom library context or 3388 * property query, is a sure sign we're not using legacy. 3389 */ 3390 if (provider_options || libctx) 3391 return 0; 3392 return 1; 3393} 3394