1 /* ocsp.c */ 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3 * project 2000. 4 */ 5 /* ==================================================================== 6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in 17 * the documentation and/or other materials provided with the 18 * distribution. 19 * 20 * 3. All advertising materials mentioning features or use of this 21 * software must display the following acknowledgment: 22 * "This product includes software developed by the OpenSSL Project 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24 * 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26 * endorse or promote products derived from this software without 27 * prior written permission. For written permission, please contact 28 * licensing@OpenSSL.org. 29 * 30 * 5. Products derived from this software may not be called "OpenSSL" 31 * nor may "OpenSSL" appear in their names without prior written 32 * permission of the OpenSSL Project. 33 * 34 * 6. Redistributions of any form whatsoever must retain the following 35 * acknowledgment: 36 * "This product includes software developed by the OpenSSL Project 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38 * 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50 * OF THE POSSIBILITY OF SUCH DAMAGE. 51 * ==================================================================== 52 * 53 * This product includes cryptographic software written by Eric Young 54 * (eay@cryptsoft.com). This product includes software written by Tim 55 * Hudson (tjh@cryptsoft.com). 56 * 57 */ 58 #ifndef OPENSSL_NO_OCSP 59 60 #ifdef OPENSSL_SYS_VMS 61 #define _XOPEN_SOURCE_EXTENDED /* So fd_set and friends get properly defined 62 on OpenVMS */ 63 #endif 64 65 #define USE_SOCKETS 66 67 #include <stdio.h> 68 #include <stdlib.h> 69 #include <string.h> 70 #include <time.h> 71 #include "apps.h" /* needs to be included before the openssl headers! */ 72 #include <openssl/e_os2.h> 73 #include <openssl/crypto.h> 74 #include <openssl/err.h> 75 #include <openssl/ssl.h> 76 #include <openssl/evp.h> 77 #include <openssl/bn.h> 78 #include <openssl/x509v3.h> 79 80 #if defined(NETWARE_CLIB) 81 # ifdef NETWARE_BSDSOCK 82 # include <sys/socket.h> 83 # include <sys/bsdskt.h> 84 # else 85 # include <novsock2.h> 86 # endif 87 #elif defined(NETWARE_LIBC) 88 # ifdef NETWARE_BSDSOCK 89 # include <sys/select.h> 90 # else 91 # include <novsock2.h> 92 # endif 93 #endif 94 95 /* Maximum leeway in validity period: default 5 minutes */ 96 #define MAX_VALIDITY_PERIOD (5 * 60) 97 98 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, X509 *issuer, 99 STACK_OF(OCSP_CERTID) *ids); 100 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert_id_md, X509 *issuer, 101 STACK_OF(OCSP_CERTID) *ids); 102 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 103 STACK_OF(OPENSSL_STRING) *names, 104 STACK_OF(OCSP_CERTID) *ids, long nsec, 105 long maxage); 106 107 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, 108 X509 *ca, X509 *rcert, EVP_PKEY *rkey, 109 STACK_OF(X509) *rother, unsigned long flags, 110 int nmin, int ndays); 111 112 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); 113 static BIO *init_responder(char *port); 114 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port); 115 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); 116 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 117 STACK_OF(CONF_VALUE) *headers, 118 OCSP_REQUEST *req, int req_timeout); 119 120 #undef PROG 121 #define PROG ocsp_main 122 123 int MAIN(int, char **); 124 125 int MAIN(int argc, char **argv) 126 { 127 ENGINE *e = NULL; 128 char **args; 129 char *host = NULL, *port = NULL, *path = "/"; 130 char *reqin = NULL, *respin = NULL; 131 char *reqout = NULL, *respout = NULL; 132 char *signfile = NULL, *keyfile = NULL; 133 char *rsignfile = NULL, *rkeyfile = NULL; 134 char *outfile = NULL; 135 int add_nonce = 1, noverify = 0, use_ssl = -1; 136 STACK_OF(CONF_VALUE) *headers = NULL; 137 OCSP_REQUEST *req = NULL; 138 OCSP_RESPONSE *resp = NULL; 139 OCSP_BASICRESP *bs = NULL; 140 X509 *issuer = NULL, *cert = NULL; 141 X509 *signer = NULL, *rsigner = NULL; 142 EVP_PKEY *key = NULL, *rkey = NULL; 143 BIO *acbio = NULL, *cbio = NULL; 144 BIO *derbio = NULL; 145 BIO *out = NULL; 146 int req_timeout = -1; 147 int req_text = 0, resp_text = 0; 148 long nsec = MAX_VALIDITY_PERIOD, maxage = -1; 149 char *CAfile = NULL, *CApath = NULL; 150 X509_STORE *store = NULL; 151 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; 152 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; 153 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; 154 int ret = 1; 155 int accept_count = -1; 156 int badarg = 0; 157 int i; 158 int ignore_err = 0; 159 STACK_OF(OPENSSL_STRING) *reqnames = NULL; 160 STACK_OF(OCSP_CERTID) *ids = NULL; 161 162 X509 *rca_cert = NULL; 163 char *ridx_filename = NULL; 164 char *rca_filename = NULL; 165 CA_DB *rdb = NULL; 166 int nmin = 0, ndays = -1; 167 const EVP_MD *cert_id_md = NULL; 168 169 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 170 171 if (!load_config(bio_err, NULL)) 172 goto end; 173 SSL_load_error_strings(); 174 OpenSSL_add_ssl_algorithms(); 175 args = argv + 1; 176 reqnames = sk_OPENSSL_STRING_new_null(); 177 ids = sk_OCSP_CERTID_new_null(); 178 while (!badarg && *args && *args[0] == '-') 179 { 180 if (!strcmp(*args, "-out")) 181 { 182 if (args[1]) 183 { 184 args++; 185 outfile = *args; 186 } 187 else badarg = 1; 188 } 189 else if (!strcmp(*args, "-timeout")) 190 { 191 if (args[1]) 192 { 193 args++; 194 req_timeout = atol(*args); 195 if (req_timeout < 0) 196 { 197 BIO_printf(bio_err, 198 "Illegal timeout value %s\n", 199 *args); 200 badarg = 1; 201 } 202 } 203 else badarg = 1; 204 } 205 else if (!strcmp(*args, "-url")) 206 { 207 if (args[1]) 208 { 209 args++; 210 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) 211 { 212 BIO_printf(bio_err, "Error parsing URL\n"); 213 badarg = 1; 214 } 215 } 216 else badarg = 1; 217 } 218 else if (!strcmp(*args, "-host")) 219 { 220 if (args[1]) 221 { 222 args++; 223 host = *args; 224 } 225 else badarg = 1; 226 } 227 else if (!strcmp(*args, "-port")) 228 { 229 if (args[1]) 230 { 231 args++; 232 port = *args; 233 } 234 else badarg = 1; 235 } 236 else if (!strcmp(*args, "-header")) 237 { 238 if (args[1] && args[2]) 239 { 240 if (!X509V3_add_value(args[1], args[2], &headers)) 241 goto end; 242 args += 2; 243 } 244 else badarg = 1; 245 } 246 else if (!strcmp(*args, "-ignore_err")) 247 ignore_err = 1; 248 else if (!strcmp(*args, "-noverify")) 249 noverify = 1; 250 else if (!strcmp(*args, "-nonce")) 251 add_nonce = 2; 252 else if (!strcmp(*args, "-no_nonce")) 253 add_nonce = 0; 254 else if (!strcmp(*args, "-resp_no_certs")) 255 rflags |= OCSP_NOCERTS; 256 else if (!strcmp(*args, "-resp_key_id")) 257 rflags |= OCSP_RESPID_KEY; 258 else if (!strcmp(*args, "-no_certs")) 259 sign_flags |= OCSP_NOCERTS; 260 else if (!strcmp(*args, "-no_signature_verify")) 261 verify_flags |= OCSP_NOSIGS; 262 else if (!strcmp(*args, "-no_cert_verify")) 263 verify_flags |= OCSP_NOVERIFY; 264 else if (!strcmp(*args, "-no_chain")) 265 verify_flags |= OCSP_NOCHAIN; 266 else if (!strcmp(*args, "-no_cert_checks")) 267 verify_flags |= OCSP_NOCHECKS; 268 else if (!strcmp(*args, "-no_explicit")) 269 verify_flags |= OCSP_NOEXPLICIT; 270 else if (!strcmp(*args, "-trust_other")) 271 verify_flags |= OCSP_TRUSTOTHER; 272 else if (!strcmp(*args, "-no_intern")) 273 verify_flags |= OCSP_NOINTERN; 274 else if (!strcmp(*args, "-text")) 275 { 276 req_text = 1; 277 resp_text = 1; 278 } 279 else if (!strcmp(*args, "-req_text")) 280 req_text = 1; 281 else if (!strcmp(*args, "-resp_text")) 282 resp_text = 1; 283 else if (!strcmp(*args, "-reqin")) 284 { 285 if (args[1]) 286 { 287 args++; 288 reqin = *args; 289 } 290 else badarg = 1; 291 } 292 else if (!strcmp(*args, "-respin")) 293 { 294 if (args[1]) 295 { 296 args++; 297 respin = *args; 298 } 299 else badarg = 1; 300 } 301 else if (!strcmp(*args, "-signer")) 302 { 303 if (args[1]) 304 { 305 args++; 306 signfile = *args; 307 } 308 else badarg = 1; 309 } 310 else if (!strcmp (*args, "-VAfile")) 311 { 312 if (args[1]) 313 { 314 args++; 315 verify_certfile = *args; 316 verify_flags |= OCSP_TRUSTOTHER; 317 } 318 else badarg = 1; 319 } 320 else if (!strcmp(*args, "-sign_other")) 321 { 322 if (args[1]) 323 { 324 args++; 325 sign_certfile = *args; 326 } 327 else badarg = 1; 328 } 329 else if (!strcmp(*args, "-verify_other")) 330 { 331 if (args[1]) 332 { 333 args++; 334 verify_certfile = *args; 335 } 336 else badarg = 1; 337 } 338 else if (!strcmp (*args, "-CAfile")) 339 { 340 if (args[1]) 341 { 342 args++; 343 CAfile = *args; 344 } 345 else badarg = 1; 346 } 347 else if (!strcmp (*args, "-CApath")) 348 { 349 if (args[1]) 350 { 351 args++; 352 CApath = *args; 353 } 354 else badarg = 1; 355 } 356 else if (!strcmp (*args, "-validity_period")) 357 { 358 if (args[1]) 359 { 360 args++; 361 nsec = atol(*args); 362 if (nsec < 0) 363 { 364 BIO_printf(bio_err, 365 "Illegal validity period %s\n", 366 *args); 367 badarg = 1; 368 } 369 } 370 else badarg = 1; 371 } 372 else if (!strcmp (*args, "-status_age")) 373 { 374 if (args[1]) 375 { 376 args++; 377 maxage = atol(*args); 378 if (maxage < 0) 379 { 380 BIO_printf(bio_err, 381 "Illegal validity age %s\n", 382 *args); 383 badarg = 1; 384 } 385 } 386 else badarg = 1; 387 } 388 else if (!strcmp(*args, "-signkey")) 389 { 390 if (args[1]) 391 { 392 args++; 393 keyfile = *args; 394 } 395 else badarg = 1; 396 } 397 else if (!strcmp(*args, "-reqout")) 398 { 399 if (args[1]) 400 { 401 args++; 402 reqout = *args; 403 } 404 else badarg = 1; 405 } 406 else if (!strcmp(*args, "-respout")) 407 { 408 if (args[1]) 409 { 410 args++; 411 respout = *args; 412 } 413 else badarg = 1; 414 } 415 else if (!strcmp(*args, "-path")) 416 { 417 if (args[1]) 418 { 419 args++; 420 path = *args; 421 } 422 else badarg = 1; 423 } 424 else if (!strcmp(*args, "-issuer")) 425 { 426 if (args[1]) 427 { 428 args++; 429 X509_free(issuer); 430 issuer = load_cert(bio_err, *args, FORMAT_PEM, 431 NULL, e, "issuer certificate"); 432 if(!issuer) goto end; 433 } 434 else badarg = 1; 435 } 436 else if (!strcmp (*args, "-cert")) 437 { 438 if (args[1]) 439 { 440 args++; 441 X509_free(cert); 442 cert = load_cert(bio_err, *args, FORMAT_PEM, 443 NULL, e, "certificate"); 444 if(!cert) goto end; 445 if (!cert_id_md) cert_id_md = EVP_sha1(); 446 if(!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) 447 goto end; 448 if(!sk_OPENSSL_STRING_push(reqnames, *args)) 449 goto end; 450 } 451 else badarg = 1; 452 } 453 else if (!strcmp(*args, "-serial")) 454 { 455 if (args[1]) 456 { 457 args++; 458 if (!cert_id_md) cert_id_md = EVP_sha1(); 459 if(!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids)) 460 goto end; 461 if(!sk_OPENSSL_STRING_push(reqnames, *args)) 462 goto end; 463 } 464 else badarg = 1; 465 } 466 else if (!strcmp(*args, "-index")) 467 { 468 if (args[1]) 469 { 470 args++; 471 ridx_filename = *args; 472 } 473 else badarg = 1; 474 } 475 else if (!strcmp(*args, "-CA")) 476 { 477 if (args[1]) 478 { 479 args++; 480 rca_filename = *args; 481 } 482 else badarg = 1; 483 } 484 else if (!strcmp (*args, "-nmin")) 485 { 486 if (args[1]) 487 { 488 args++; 489 nmin = atol(*args); 490 if (nmin < 0) 491 { 492 BIO_printf(bio_err, 493 "Illegal update period %s\n", 494 *args); 495 badarg = 1; 496 } 497 } 498 if (ndays == -1) 499 ndays = 0; 500 else badarg = 1; 501 } 502 else if (!strcmp (*args, "-nrequest")) 503 { 504 if (args[1]) 505 { 506 args++; 507 accept_count = atol(*args); 508 if (accept_count < 0) 509 { 510 BIO_printf(bio_err, 511 "Illegal accept count %s\n", 512 *args); 513 badarg = 1; 514 } 515 } 516 else badarg = 1; 517 } 518 else if (!strcmp (*args, "-ndays")) 519 { 520 if (args[1]) 521 { 522 args++; 523 ndays = atol(*args); 524 if (ndays < 0) 525 { 526 BIO_printf(bio_err, 527 "Illegal update period %s\n", 528 *args); 529 badarg = 1; 530 } 531 } 532 else badarg = 1; 533 } 534 else if (!strcmp(*args, "-rsigner")) 535 { 536 if (args[1]) 537 { 538 args++; 539 rsignfile = *args; 540 } 541 else badarg = 1; 542 } 543 else if (!strcmp(*args, "-rkey")) 544 { 545 if (args[1]) 546 { 547 args++; 548 rkeyfile = *args; 549 } 550 else badarg = 1; 551 } 552 else if (!strcmp(*args, "-rother")) 553 { 554 if (args[1]) 555 { 556 args++; 557 rcertfile = *args; 558 } 559 else badarg = 1; 560 } 561 else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL) 562 { 563 badarg = 1; 564 } 565 args++; 566 } 567 568 /* Have we anything to do? */ 569 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1; 570 571 if (badarg) 572 { 573 BIO_printf (bio_err, "OCSP utility\n"); 574 BIO_printf (bio_err, "Usage ocsp [options]\n"); 575 BIO_printf (bio_err, "where options are\n"); 576 BIO_printf (bio_err, "-out file output filename\n"); 577 BIO_printf (bio_err, "-issuer file issuer certificate\n"); 578 BIO_printf (bio_err, "-cert file certificate to check\n"); 579 BIO_printf (bio_err, "-serial n serial number to check\n"); 580 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n"); 581 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n"); 582 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n"); 583 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n"); 584 BIO_printf (bio_err, "-req_text print text form of request\n"); 585 BIO_printf (bio_err, "-resp_text print text form of response\n"); 586 BIO_printf (bio_err, "-text print text form of request and response\n"); 587 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n"); 588 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n"); 589 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n"); 590 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n"); 591 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n"); 592 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n"); 593 BIO_printf (bio_err, "-url URL OCSP responder URL\n"); 594 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n"); 595 BIO_printf (bio_err, "-path path to use in OCSP request\n"); 596 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); 597 BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); 598 BIO_printf (bio_err, "-VAfile file validator certificates file\n"); 599 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n"); 600 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n"); 601 BIO_printf (bio_err, "-noverify don't verify response at all\n"); 602 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n"); 603 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n"); 604 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n"); 605 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n"); 606 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n"); 607 BIO_printf (bio_err, "-no_chain don't chain verify response\n"); 608 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n"); 609 BIO_printf (bio_err, "-port num port to run responder on\n"); 610 BIO_printf (bio_err, "-index file certificate status index file\n"); 611 BIO_printf (bio_err, "-CA file CA certificate\n"); 612 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n"); 613 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n"); 614 BIO_printf (bio_err, "-rother file other certificates to include in response\n"); 615 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n"); 616 BIO_printf (bio_err, "-nmin n number of minutes before next update\n"); 617 BIO_printf (bio_err, "-ndays n number of days before next update\n"); 618 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n"); 619 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n"); 620 BIO_printf (bio_err, "-<dgst alg> use specified digest in the request\n"); 621 goto end; 622 } 623 624 if(outfile) out = BIO_new_file(outfile, "w"); 625 else out = BIO_new_fp(stdout, BIO_NOCLOSE); 626 627 if(!out) 628 { 629 BIO_printf(bio_err, "Error opening output file\n"); 630 goto end; 631 } 632 633 if (!req && (add_nonce != 2)) add_nonce = 0; 634 635 if (!req && reqin) 636 { 637 derbio = BIO_new_file(reqin, "rb"); 638 if (!derbio) 639 { 640 BIO_printf(bio_err, "Error Opening OCSP request file\n"); 641 goto end; 642 } 643 req = d2i_OCSP_REQUEST_bio(derbio, NULL); 644 BIO_free(derbio); 645 if(!req) 646 { 647 BIO_printf(bio_err, "Error reading OCSP request\n"); 648 goto end; 649 } 650 } 651 652 if (!req && port) 653 { 654 acbio = init_responder(port); 655 if (!acbio) 656 goto end; 657 } 658 659 if (rsignfile && !rdb) 660 { 661 if (!rkeyfile) rkeyfile = rsignfile; 662 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, 663 NULL, e, "responder certificate"); 664 if (!rsigner) 665 { 666 BIO_printf(bio_err, "Error loading responder certificate\n"); 667 goto end; 668 } 669 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, 670 NULL, e, "CA certificate"); 671 if (rcertfile) 672 { 673 rother = load_certs(bio_err, rcertfile, FORMAT_PEM, 674 NULL, e, "responder other certificates"); 675 if (!rother) goto end; 676 } 677 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, 678 "responder private key"); 679 if (!rkey) 680 goto end; 681 } 682 if(acbio) 683 BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); 684 685 redo_accept: 686 687 if (acbio) 688 { 689 if (!do_responder(&req, &cbio, acbio, port)) 690 goto end; 691 if (!req) 692 { 693 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 694 send_ocsp_response(cbio, resp); 695 goto done_resp; 696 } 697 } 698 699 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) 700 { 701 BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); 702 goto end; 703 } 704 705 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1); 706 707 if (signfile) 708 { 709 if (!keyfile) keyfile = signfile; 710 signer = load_cert(bio_err, signfile, FORMAT_PEM, 711 NULL, e, "signer certificate"); 712 if (!signer) 713 { 714 BIO_printf(bio_err, "Error loading signer certificate\n"); 715 goto end; 716 } 717 if (sign_certfile) 718 { 719 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, 720 NULL, e, "signer certificates"); 721 if (!sign_other) goto end; 722 } 723 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, 724 "signer private key"); 725 if (!key) 726 goto end; 727 728 if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags)) 729 { 730 BIO_printf(bio_err, "Error signing OCSP request\n"); 731 goto end; 732 } 733 } 734 735 if (req_text && req) OCSP_REQUEST_print(out, req, 0); 736 737 if (reqout) 738 { 739 derbio = BIO_new_file(reqout, "wb"); 740 if(!derbio) 741 { 742 BIO_printf(bio_err, "Error opening file %s\n", reqout); 743 goto end; 744 } 745 i2d_OCSP_REQUEST_bio(derbio, req); 746 BIO_free(derbio); 747 } 748 749 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) 750 { 751 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n"); 752 goto end; 753 } 754 755 if (ridx_filename && !rdb) 756 { 757 rdb = load_index(ridx_filename, NULL); 758 if (!rdb) goto end; 759 if (!index_index(rdb)) goto end; 760 } 761 762 if (rdb) 763 { 764 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays); 765 if (cbio) 766 send_ocsp_response(cbio, resp); 767 } 768 else if (host) 769 { 770 #ifndef OPENSSL_NO_SOCK 771 resp = process_responder(bio_err, req, host, path, 772 port, use_ssl, headers, req_timeout); 773 if (!resp) 774 goto end; 775 #else 776 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n"); 777 goto end; 778 #endif 779 } 780 else if (respin) 781 { 782 derbio = BIO_new_file(respin, "rb"); 783 if (!derbio) 784 { 785 BIO_printf(bio_err, "Error Opening OCSP response file\n"); 786 goto end; 787 } 788 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 789 BIO_free(derbio); 790 if(!resp) 791 { 792 BIO_printf(bio_err, "Error reading OCSP response\n"); 793 goto end; 794 } 795 796 } 797 else 798 { 799 ret = 0; 800 goto end; 801 } 802 803 done_resp: 804 805 if (respout) 806 { 807 derbio = BIO_new_file(respout, "wb"); 808 if(!derbio) 809 { 810 BIO_printf(bio_err, "Error opening file %s\n", respout); 811 goto end; 812 } 813 i2d_OCSP_RESPONSE_bio(derbio, resp); 814 BIO_free(derbio); 815 } 816 817 i = OCSP_response_status(resp); 818 819 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) 820 { 821 BIO_printf(out, "Responder Error: %s (%d)\n", 822 OCSP_response_status_str(i), i); 823 if (ignore_err) 824 goto redo_accept; 825 ret = 0; 826 goto end; 827 } 828 829 if (resp_text) OCSP_RESPONSE_print(out, resp, 0); 830 831 /* If running as responder don't verify our own response */ 832 if (cbio) 833 { 834 if (accept_count > 0) 835 accept_count--; 836 /* Redo if more connections needed */ 837 if (accept_count) 838 { 839 BIO_free_all(cbio); 840 cbio = NULL; 841 OCSP_REQUEST_free(req); 842 req = NULL; 843 OCSP_RESPONSE_free(resp); 844 resp = NULL; 845 goto redo_accept; 846 } 847 goto end; 848 } 849 850 if (!store) 851 store = setup_verify(bio_err, CAfile, CApath); 852 if (!store) 853 goto end; 854 if (verify_certfile) 855 { 856 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, 857 NULL, e, "validator certificate"); 858 if (!verify_other) goto end; 859 } 860 861 bs = OCSP_response_get1_basic(resp); 862 863 if (!bs) 864 { 865 BIO_printf(bio_err, "Error parsing response\n"); 866 goto end; 867 } 868 869 if (!noverify) 870 { 871 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) 872 { 873 if (i == -1) 874 BIO_printf(bio_err, "WARNING: no nonce in response\n"); 875 else 876 { 877 BIO_printf(bio_err, "Nonce Verify error\n"); 878 goto end; 879 } 880 } 881 882 i = OCSP_basic_verify(bs, verify_other, store, verify_flags); 883 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0); 884 885 if(i <= 0) 886 { 887 BIO_printf(bio_err, "Response Verify Failure\n"); 888 ERR_print_errors(bio_err); 889 } 890 else 891 BIO_printf(bio_err, "Response verify OK\n"); 892 893 } 894 895 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) 896 goto end; 897 898 ret = 0; 899 900 end: 901 ERR_print_errors(bio_err); 902 X509_free(signer); 903 X509_STORE_free(store); 904 EVP_PKEY_free(key); 905 EVP_PKEY_free(rkey); 906 X509_free(issuer); 907 X509_free(cert); 908 X509_free(rsigner); 909 X509_free(rca_cert); 910 free_index(rdb); 911 BIO_free_all(cbio); 912 BIO_free_all(acbio); 913 BIO_free(out); 914 OCSP_REQUEST_free(req); 915 OCSP_RESPONSE_free(resp); 916 OCSP_BASICRESP_free(bs); 917 sk_OPENSSL_STRING_free(reqnames); 918 sk_OCSP_CERTID_free(ids); 919 sk_X509_pop_free(sign_other, X509_free); 920 sk_X509_pop_free(verify_other, X509_free); 921 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); 922 923 if (use_ssl != -1) 924 { 925 OPENSSL_free(host); 926 OPENSSL_free(port); 927 OPENSSL_free(path); 928 } 929 930 OPENSSL_EXIT(ret); 931 } 932 933 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer, 934 STACK_OF(OCSP_CERTID) *ids) 935 { 936 OCSP_CERTID *id; 937 if(!issuer) 938 { 939 BIO_printf(bio_err, "No issuer certificate specified\n"); 940 return 0; 941 } 942 if(!*req) *req = OCSP_REQUEST_new(); 943 if(!*req) goto err; 944 id = OCSP_cert_to_id(cert_id_md, cert, issuer); 945 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 946 if(!OCSP_request_add0_id(*req, id)) goto err; 947 return 1; 948 949 err: 950 BIO_printf(bio_err, "Error Creating OCSP request\n"); 951 return 0; 952 } 953 954 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer, 955 STACK_OF(OCSP_CERTID) *ids) 956 { 957 OCSP_CERTID *id; 958 X509_NAME *iname; 959 ASN1_BIT_STRING *ikey; 960 ASN1_INTEGER *sno; 961 if(!issuer) 962 { 963 BIO_printf(bio_err, "No issuer certificate specified\n"); 964 return 0; 965 } 966 if(!*req) *req = OCSP_REQUEST_new(); 967 if(!*req) goto err; 968 iname = X509_get_subject_name(issuer); 969 ikey = X509_get0_pubkey_bitstr(issuer); 970 sno = s2i_ASN1_INTEGER(NULL, serial); 971 if(!sno) 972 { 973 BIO_printf(bio_err, "Error converting serial number %s\n", serial); 974 return 0; 975 } 976 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); 977 ASN1_INTEGER_free(sno); 978 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 979 if(!OCSP_request_add0_id(*req, id)) goto err; 980 return 1; 981 982 err: 983 BIO_printf(bio_err, "Error Creating OCSP request\n"); 984 return 0; 985 } 986 987 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 988 STACK_OF(OPENSSL_STRING) *names, 989 STACK_OF(OCSP_CERTID) *ids, long nsec, 990 long maxage) 991 { 992 OCSP_CERTID *id; 993 char *name; 994 int i; 995 996 int status, reason; 997 998 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; 999 1000 if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(ids)) 1001 return 1; 1002 1003 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) 1004 { 1005 id = sk_OCSP_CERTID_value(ids, i); 1006 name = sk_OPENSSL_STRING_value(names, i); 1007 BIO_printf(out, "%s: ", name); 1008 1009 if(!OCSP_resp_find_status(bs, id, &status, &reason, 1010 &rev, &thisupd, &nextupd)) 1011 { 1012 BIO_puts(out, "ERROR: No Status found.\n"); 1013 continue; 1014 } 1015 1016 /* Check validity: if invalid write to output BIO so we 1017 * know which response this refers to. 1018 */ 1019 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) 1020 { 1021 BIO_puts(out, "WARNING: Status times invalid.\n"); 1022 ERR_print_errors(out); 1023 } 1024 BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); 1025 1026 BIO_puts(out, "\tThis Update: "); 1027 ASN1_GENERALIZEDTIME_print(out, thisupd); 1028 BIO_puts(out, "\n"); 1029 1030 if(nextupd) 1031 { 1032 BIO_puts(out, "\tNext Update: "); 1033 ASN1_GENERALIZEDTIME_print(out, nextupd); 1034 BIO_puts(out, "\n"); 1035 } 1036 1037 if (status != V_OCSP_CERTSTATUS_REVOKED) 1038 continue; 1039 1040 if (reason != -1) 1041 BIO_printf(out, "\tReason: %s\n", 1042 OCSP_crl_reason_str(reason)); 1043 1044 BIO_puts(out, "\tRevocation Time: "); 1045 ASN1_GENERALIZEDTIME_print(out, rev); 1046 BIO_puts(out, "\n"); 1047 } 1048 1049 return 1; 1050 } 1051 1052 1053 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, 1054 X509 *ca, X509 *rcert, EVP_PKEY *rkey, 1055 STACK_OF(X509) *rother, unsigned long flags, 1056 int nmin, int ndays) 1057 { 1058 ASN1_TIME *thisupd = NULL, *nextupd = NULL; 1059 OCSP_CERTID *cid, *ca_id = NULL; 1060 OCSP_BASICRESP *bs = NULL; 1061 int i, id_count, ret = 1; 1062 1063 id_count = OCSP_request_onereq_count(req); 1064 1065 if (id_count <= 0) 1066 { 1067 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 1068 goto end; 1069 } 1070 1071 1072 bs = OCSP_BASICRESP_new(); 1073 thisupd = X509_gmtime_adj(NULL, 0); 1074 if (ndays != -1) 1075 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); 1076 1077 /* Examine each certificate id in the request */ 1078 for (i = 0; i < id_count; i++) 1079 { 1080 OCSP_ONEREQ *one; 1081 ASN1_INTEGER *serial; 1082 char **inf; 1083 ASN1_OBJECT *cert_id_md_oid; 1084 const EVP_MD *cert_id_md; 1085 one = OCSP_request_onereq_get0(req, i); 1086 cid = OCSP_onereq_get0_id(one); 1087 1088 OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid); 1089 1090 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); 1091 if (! cert_id_md) 1092 { 1093 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, 1094 NULL); 1095 goto end; 1096 } 1097 if (ca_id) OCSP_CERTID_free(ca_id); 1098 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); 1099 1100 /* Is this request about our CA? */ 1101 if (OCSP_id_issuer_cmp(ca_id, cid)) 1102 { 1103 OCSP_basic_add1_status(bs, cid, 1104 V_OCSP_CERTSTATUS_UNKNOWN, 1105 0, NULL, 1106 thisupd, nextupd); 1107 continue; 1108 } 1109 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); 1110 inf = lookup_serial(db, serial); 1111 if (!inf) 1112 OCSP_basic_add1_status(bs, cid, 1113 V_OCSP_CERTSTATUS_UNKNOWN, 1114 0, NULL, 1115 thisupd, nextupd); 1116 else if (inf[DB_type][0] == DB_TYPE_VAL) 1117 OCSP_basic_add1_status(bs, cid, 1118 V_OCSP_CERTSTATUS_GOOD, 1119 0, NULL, 1120 thisupd, nextupd); 1121 else if (inf[DB_type][0] == DB_TYPE_REV) 1122 { 1123 ASN1_OBJECT *inst = NULL; 1124 ASN1_TIME *revtm = NULL; 1125 ASN1_GENERALIZEDTIME *invtm = NULL; 1126 OCSP_SINGLERESP *single; 1127 int reason = -1; 1128 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); 1129 single = OCSP_basic_add1_status(bs, cid, 1130 V_OCSP_CERTSTATUS_REVOKED, 1131 reason, revtm, 1132 thisupd, nextupd); 1133 if (invtm) 1134 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0); 1135 else if (inst) 1136 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0); 1137 ASN1_OBJECT_free(inst); 1138 ASN1_TIME_free(revtm); 1139 ASN1_GENERALIZEDTIME_free(invtm); 1140 } 1141 } 1142 1143 OCSP_copy_nonce(bs, req); 1144 1145 OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); 1146 1147 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); 1148 1149 end: 1150 ASN1_TIME_free(thisupd); 1151 ASN1_TIME_free(nextupd); 1152 OCSP_CERTID_free(ca_id); 1153 OCSP_BASICRESP_free(bs); 1154 return ret; 1155 1156 } 1157 1158 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) 1159 { 1160 int i; 1161 BIGNUM *bn = NULL; 1162 char *itmp, *row[DB_NUMBER],**rrow; 1163 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; 1164 bn = ASN1_INTEGER_to_BN(ser,NULL); 1165 OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */ 1166 if (BN_is_zero(bn)) 1167 itmp = BUF_strdup("00"); 1168 else 1169 itmp = BN_bn2hex(bn); 1170 row[DB_serial] = itmp; 1171 BN_free(bn); 1172 rrow=TXT_DB_get_by_index(db->db,DB_serial,row); 1173 OPENSSL_free(itmp); 1174 return rrow; 1175 } 1176 1177 /* Quick and dirty OCSP server: read in and parse input request */ 1178 1179 static BIO *init_responder(char *port) 1180 { 1181 BIO *acbio = NULL, *bufbio = NULL; 1182 bufbio = BIO_new(BIO_f_buffer()); 1183 if (!bufbio) 1184 goto err; 1185 #ifndef OPENSSL_NO_SOCK 1186 acbio = BIO_new_accept(port); 1187 #else 1188 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n"); 1189 #endif 1190 if (!acbio) 1191 goto err; 1192 BIO_set_accept_bios(acbio, bufbio); 1193 bufbio = NULL; 1194 1195 if (BIO_do_accept(acbio) <= 0) 1196 { 1197 BIO_printf(bio_err, "Error setting up accept BIO\n"); 1198 ERR_print_errors(bio_err); 1199 goto err; 1200 } 1201 1202 return acbio; 1203 1204 err: 1205 BIO_free_all(acbio); 1206 BIO_free(bufbio); 1207 return NULL; 1208 } 1209 1210 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port) 1211 { 1212 int have_post = 0, len; 1213 OCSP_REQUEST *req = NULL; 1214 char inbuf[1024]; 1215 BIO *cbio = NULL; 1216 1217 if (BIO_do_accept(acbio) <= 0) 1218 { 1219 BIO_printf(bio_err, "Error accepting connection\n"); 1220 ERR_print_errors(bio_err); 1221 return 0; 1222 } 1223 1224 cbio = BIO_pop(acbio); 1225 *pcbio = cbio; 1226 1227 for(;;) 1228 { 1229 len = BIO_gets(cbio, inbuf, sizeof inbuf); 1230 if (len <= 0) 1231 return 1; 1232 /* Look for "POST" signalling start of query */ 1233 if (!have_post) 1234 { 1235 if(strncmp(inbuf, "POST", 4)) 1236 { 1237 BIO_printf(bio_err, "Invalid request\n"); 1238 return 1; 1239 } 1240 have_post = 1; 1241 } 1242 /* Look for end of headers */ 1243 if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) 1244 break; 1245 } 1246 1247 /* Try to read OCSP request */ 1248 1249 req = d2i_OCSP_REQUEST_bio(cbio, NULL); 1250 1251 if (!req) 1252 { 1253 BIO_printf(bio_err, "Error parsing OCSP request\n"); 1254 ERR_print_errors(bio_err); 1255 } 1256 1257 *preq = req; 1258 1259 return 1; 1260 1261 } 1262 1263 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) 1264 { 1265 char http_resp[] = 1266 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" 1267 "Content-Length: %d\r\n\r\n"; 1268 if (!cbio) 1269 return 0; 1270 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); 1271 i2d_OCSP_RESPONSE_bio(cbio, resp); 1272 (void)BIO_flush(cbio); 1273 return 1; 1274 } 1275 1276 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 1277 STACK_OF(CONF_VALUE) *headers, 1278 OCSP_REQUEST *req, int req_timeout) 1279 { 1280 int fd; 1281 int rv; 1282 int i; 1283 OCSP_REQ_CTX *ctx = NULL; 1284 OCSP_RESPONSE *rsp = NULL; 1285 fd_set confds; 1286 struct timeval tv; 1287 1288 if (req_timeout != -1) 1289 BIO_set_nbio(cbio, 1); 1290 1291 rv = BIO_do_connect(cbio); 1292 1293 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) 1294 { 1295 BIO_puts(err, "Error connecting BIO\n"); 1296 return NULL; 1297 } 1298 1299 if (BIO_get_fd(cbio, &fd) <= 0) 1300 { 1301 BIO_puts(err, "Can't get connection fd\n"); 1302 goto err; 1303 } 1304 1305 if (req_timeout != -1 && rv <= 0) 1306 { 1307 FD_ZERO(&confds); 1308 openssl_fdset(fd, &confds); 1309 tv.tv_usec = 0; 1310 tv.tv_sec = req_timeout; 1311 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1312 if (rv == 0) 1313 { 1314 BIO_puts(err, "Timeout on connect\n"); 1315 return NULL; 1316 } 1317 } 1318 1319 1320 ctx = OCSP_sendreq_new(cbio, path, NULL, -1); 1321 if (!ctx) 1322 return NULL; 1323 1324 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) 1325 { 1326 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); 1327 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) 1328 goto err; 1329 } 1330 1331 if (!OCSP_REQ_CTX_set1_req(ctx, req)) 1332 goto err; 1333 1334 for (;;) 1335 { 1336 rv = OCSP_sendreq_nbio(&rsp, ctx); 1337 if (rv != -1) 1338 break; 1339 if (req_timeout == -1) 1340 continue; 1341 FD_ZERO(&confds); 1342 openssl_fdset(fd, &confds); 1343 tv.tv_usec = 0; 1344 tv.tv_sec = req_timeout; 1345 if (BIO_should_read(cbio)) 1346 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); 1347 else if (BIO_should_write(cbio)) 1348 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1349 else 1350 { 1351 BIO_puts(err, "Unexpected retry condition\n"); 1352 goto err; 1353 } 1354 if (rv == 0) 1355 { 1356 BIO_puts(err, "Timeout on request\n"); 1357 break; 1358 } 1359 if (rv == -1) 1360 { 1361 BIO_puts(err, "Select error\n"); 1362 break; 1363 } 1364 1365 } 1366 err: 1367 if (ctx) 1368 OCSP_REQ_CTX_free(ctx); 1369 1370 return rsp; 1371 } 1372 1373 OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, 1374 char *host, char *path, char *port, int use_ssl, 1375 STACK_OF(CONF_VALUE) *headers, 1376 int req_timeout) 1377 { 1378 BIO *cbio = NULL; 1379 SSL_CTX *ctx = NULL; 1380 OCSP_RESPONSE *resp = NULL; 1381 cbio = BIO_new_connect(host); 1382 if (!cbio) 1383 { 1384 BIO_printf(err, "Error creating connect BIO\n"); 1385 goto end; 1386 } 1387 if (port) BIO_set_conn_port(cbio, port); 1388 if (use_ssl == 1) 1389 { 1390 BIO *sbio; 1391 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 1392 ctx = SSL_CTX_new(SSLv23_client_method()); 1393 #elif !defined(OPENSSL_NO_SSL3) 1394 ctx = SSL_CTX_new(SSLv3_client_method()); 1395 #elif !defined(OPENSSL_NO_SSL2) 1396 ctx = SSL_CTX_new(SSLv2_client_method()); 1397 #else 1398 BIO_printf(err, "SSL is disabled\n"); 1399 goto end; 1400 #endif 1401 if (ctx == NULL) 1402 { 1403 BIO_printf(err, "Error creating SSL context.\n"); 1404 goto end; 1405 } 1406 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); 1407 sbio = BIO_new_ssl(ctx, 1); 1408 cbio = BIO_push(sbio, cbio); 1409 } 1410 resp = query_responder(err, cbio, path, headers, req, req_timeout); 1411 if (!resp) 1412 BIO_printf(bio_err, "Error querying OCSP responsder\n"); 1413 end: 1414 if (cbio) 1415 BIO_free_all(cbio); 1416 if (ctx) 1417 SSL_CTX_free(ctx); 1418 return resp; 1419 } 1420 1421 #endif 1422