ocsp.c revision 279264
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 98static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md, X509 *issuer, 99 STACK_OF(OCSP_CERTID) *ids); 100static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, const EVP_MD * cert_id_md, X509 *issuer, 101 STACK_OF(OCSP_CERTID) *ids); 102static 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 107static 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 112static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); 113static BIO *init_responder(char *port); 114static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port); 115static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); 116static 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 123int MAIN(int, char **); 124 125int MAIN(int argc, char **argv) 126 { 127 ENGINE *e = NULL; 128 char **args; 129 char *host = NULL, *port = NULL, *path = "/"; 130 char *thost = NULL, *tport = NULL, *tpath = NULL; 131 char *reqin = NULL, *respin = NULL; 132 char *reqout = NULL, *respout = NULL; 133 char *signfile = NULL, *keyfile = NULL; 134 char *rsignfile = NULL, *rkeyfile = NULL; 135 char *outfile = NULL; 136 int add_nonce = 1, noverify = 0, use_ssl = -1; 137 STACK_OF(CONF_VALUE) *headers = NULL; 138 OCSP_REQUEST *req = NULL; 139 OCSP_RESPONSE *resp = NULL; 140 OCSP_BASICRESP *bs = NULL; 141 X509 *issuer = NULL, *cert = NULL; 142 X509 *signer = NULL, *rsigner = NULL; 143 EVP_PKEY *key = NULL, *rkey = NULL; 144 BIO *acbio = NULL, *cbio = NULL; 145 BIO *derbio = NULL; 146 BIO *out = NULL; 147 int req_timeout = -1; 148 int req_text = 0, resp_text = 0; 149 long nsec = MAX_VALIDITY_PERIOD, maxage = -1; 150 char *CAfile = NULL, *CApath = NULL; 151 X509_STORE *store = NULL; 152 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; 153 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; 154 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; 155 int ret = 1; 156 int accept_count = -1; 157 int badarg = 0; 158 int i; 159 int ignore_err = 0; 160 STACK_OF(OPENSSL_STRING) *reqnames = NULL; 161 STACK_OF(OCSP_CERTID) *ids = NULL; 162 163 X509 *rca_cert = NULL; 164 char *ridx_filename = NULL; 165 char *rca_filename = NULL; 166 CA_DB *rdb = NULL; 167 int nmin = 0, ndays = -1; 168 const EVP_MD *cert_id_md = NULL; 169 170 if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 171 172 if (!load_config(bio_err, NULL)) 173 goto end; 174 SSL_load_error_strings(); 175 OpenSSL_add_ssl_algorithms(); 176 args = argv + 1; 177 reqnames = sk_OPENSSL_STRING_new_null(); 178 ids = sk_OCSP_CERTID_new_null(); 179 while (!badarg && *args && *args[0] == '-') 180 { 181 if (!strcmp(*args, "-out")) 182 { 183 if (args[1]) 184 { 185 args++; 186 outfile = *args; 187 } 188 else badarg = 1; 189 } 190 else if (!strcmp(*args, "-timeout")) 191 { 192 if (args[1]) 193 { 194 args++; 195 req_timeout = atol(*args); 196 if (req_timeout < 0) 197 { 198 BIO_printf(bio_err, 199 "Illegal timeout value %s\n", 200 *args); 201 badarg = 1; 202 } 203 } 204 else badarg = 1; 205 } 206 else if (!strcmp(*args, "-url")) 207 { 208 if (thost) 209 OPENSSL_free(thost); 210 if (tport) 211 OPENSSL_free(tport); 212 if (tpath) 213 OPENSSL_free(tpath); 214 if (args[1]) 215 { 216 args++; 217 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) 218 { 219 BIO_printf(bio_err, "Error parsing URL\n"); 220 badarg = 1; 221 } 222 thost = host; 223 tport = port; 224 tpath = path; 225 } 226 else badarg = 1; 227 } 228 else if (!strcmp(*args, "-host")) 229 { 230 if (args[1]) 231 { 232 args++; 233 host = *args; 234 } 235 else badarg = 1; 236 } 237 else if (!strcmp(*args, "-port")) 238 { 239 if (args[1]) 240 { 241 args++; 242 port = *args; 243 } 244 else badarg = 1; 245 } 246 else if (!strcmp(*args, "-header")) 247 { 248 if (args[1] && args[2]) 249 { 250 if (!X509V3_add_value(args[1], args[2], &headers)) 251 goto end; 252 args += 2; 253 } 254 else badarg = 1; 255 } 256 else if (!strcmp(*args, "-ignore_err")) 257 ignore_err = 1; 258 else if (!strcmp(*args, "-noverify")) 259 noverify = 1; 260 else if (!strcmp(*args, "-nonce")) 261 add_nonce = 2; 262 else if (!strcmp(*args, "-no_nonce")) 263 add_nonce = 0; 264 else if (!strcmp(*args, "-resp_no_certs")) 265 rflags |= OCSP_NOCERTS; 266 else if (!strcmp(*args, "-resp_key_id")) 267 rflags |= OCSP_RESPID_KEY; 268 else if (!strcmp(*args, "-no_certs")) 269 sign_flags |= OCSP_NOCERTS; 270 else if (!strcmp(*args, "-no_signature_verify")) 271 verify_flags |= OCSP_NOSIGS; 272 else if (!strcmp(*args, "-no_cert_verify")) 273 verify_flags |= OCSP_NOVERIFY; 274 else if (!strcmp(*args, "-no_chain")) 275 verify_flags |= OCSP_NOCHAIN; 276 else if (!strcmp(*args, "-no_cert_checks")) 277 verify_flags |= OCSP_NOCHECKS; 278 else if (!strcmp(*args, "-no_explicit")) 279 verify_flags |= OCSP_NOEXPLICIT; 280 else if (!strcmp(*args, "-trust_other")) 281 verify_flags |= OCSP_TRUSTOTHER; 282 else if (!strcmp(*args, "-no_intern")) 283 verify_flags |= OCSP_NOINTERN; 284 else if (!strcmp(*args, "-text")) 285 { 286 req_text = 1; 287 resp_text = 1; 288 } 289 else if (!strcmp(*args, "-req_text")) 290 req_text = 1; 291 else if (!strcmp(*args, "-resp_text")) 292 resp_text = 1; 293 else if (!strcmp(*args, "-reqin")) 294 { 295 if (args[1]) 296 { 297 args++; 298 reqin = *args; 299 } 300 else badarg = 1; 301 } 302 else if (!strcmp(*args, "-respin")) 303 { 304 if (args[1]) 305 { 306 args++; 307 respin = *args; 308 } 309 else badarg = 1; 310 } 311 else if (!strcmp(*args, "-signer")) 312 { 313 if (args[1]) 314 { 315 args++; 316 signfile = *args; 317 } 318 else badarg = 1; 319 } 320 else if (!strcmp (*args, "-VAfile")) 321 { 322 if (args[1]) 323 { 324 args++; 325 verify_certfile = *args; 326 verify_flags |= OCSP_TRUSTOTHER; 327 } 328 else badarg = 1; 329 } 330 else if (!strcmp(*args, "-sign_other")) 331 { 332 if (args[1]) 333 { 334 args++; 335 sign_certfile = *args; 336 } 337 else badarg = 1; 338 } 339 else if (!strcmp(*args, "-verify_other")) 340 { 341 if (args[1]) 342 { 343 args++; 344 verify_certfile = *args; 345 } 346 else badarg = 1; 347 } 348 else if (!strcmp (*args, "-CAfile")) 349 { 350 if (args[1]) 351 { 352 args++; 353 CAfile = *args; 354 } 355 else badarg = 1; 356 } 357 else if (!strcmp (*args, "-CApath")) 358 { 359 if (args[1]) 360 { 361 args++; 362 CApath = *args; 363 } 364 else badarg = 1; 365 } 366 else if (!strcmp (*args, "-validity_period")) 367 { 368 if (args[1]) 369 { 370 args++; 371 nsec = atol(*args); 372 if (nsec < 0) 373 { 374 BIO_printf(bio_err, 375 "Illegal validity period %s\n", 376 *args); 377 badarg = 1; 378 } 379 } 380 else badarg = 1; 381 } 382 else if (!strcmp (*args, "-status_age")) 383 { 384 if (args[1]) 385 { 386 args++; 387 maxage = atol(*args); 388 if (maxage < 0) 389 { 390 BIO_printf(bio_err, 391 "Illegal validity age %s\n", 392 *args); 393 badarg = 1; 394 } 395 } 396 else badarg = 1; 397 } 398 else if (!strcmp(*args, "-signkey")) 399 { 400 if (args[1]) 401 { 402 args++; 403 keyfile = *args; 404 } 405 else badarg = 1; 406 } 407 else if (!strcmp(*args, "-reqout")) 408 { 409 if (args[1]) 410 { 411 args++; 412 reqout = *args; 413 } 414 else badarg = 1; 415 } 416 else if (!strcmp(*args, "-respout")) 417 { 418 if (args[1]) 419 { 420 args++; 421 respout = *args; 422 } 423 else badarg = 1; 424 } 425 else if (!strcmp(*args, "-path")) 426 { 427 if (args[1]) 428 { 429 args++; 430 path = *args; 431 } 432 else badarg = 1; 433 } 434 else if (!strcmp(*args, "-issuer")) 435 { 436 if (args[1]) 437 { 438 args++; 439 X509_free(issuer); 440 issuer = load_cert(bio_err, *args, FORMAT_PEM, 441 NULL, e, "issuer certificate"); 442 if(!issuer) goto end; 443 } 444 else badarg = 1; 445 } 446 else if (!strcmp (*args, "-cert")) 447 { 448 if (args[1]) 449 { 450 args++; 451 X509_free(cert); 452 cert = load_cert(bio_err, *args, FORMAT_PEM, 453 NULL, e, "certificate"); 454 if(!cert) goto end; 455 if (!cert_id_md) cert_id_md = EVP_sha1(); 456 if(!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) 457 goto end; 458 if(!sk_OPENSSL_STRING_push(reqnames, *args)) 459 goto end; 460 } 461 else badarg = 1; 462 } 463 else if (!strcmp(*args, "-serial")) 464 { 465 if (args[1]) 466 { 467 args++; 468 if (!cert_id_md) cert_id_md = EVP_sha1(); 469 if(!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids)) 470 goto end; 471 if(!sk_OPENSSL_STRING_push(reqnames, *args)) 472 goto end; 473 } 474 else badarg = 1; 475 } 476 else if (!strcmp(*args, "-index")) 477 { 478 if (args[1]) 479 { 480 args++; 481 ridx_filename = *args; 482 } 483 else badarg = 1; 484 } 485 else if (!strcmp(*args, "-CA")) 486 { 487 if (args[1]) 488 { 489 args++; 490 rca_filename = *args; 491 } 492 else badarg = 1; 493 } 494 else if (!strcmp (*args, "-nmin")) 495 { 496 if (args[1]) 497 { 498 args++; 499 nmin = atol(*args); 500 if (nmin < 0) 501 { 502 BIO_printf(bio_err, 503 "Illegal update period %s\n", 504 *args); 505 badarg = 1; 506 } 507 } 508 if (ndays == -1) 509 ndays = 0; 510 else badarg = 1; 511 } 512 else if (!strcmp (*args, "-nrequest")) 513 { 514 if (args[1]) 515 { 516 args++; 517 accept_count = atol(*args); 518 if (accept_count < 0) 519 { 520 BIO_printf(bio_err, 521 "Illegal accept count %s\n", 522 *args); 523 badarg = 1; 524 } 525 } 526 else badarg = 1; 527 } 528 else if (!strcmp (*args, "-ndays")) 529 { 530 if (args[1]) 531 { 532 args++; 533 ndays = atol(*args); 534 if (ndays < 0) 535 { 536 BIO_printf(bio_err, 537 "Illegal update period %s\n", 538 *args); 539 badarg = 1; 540 } 541 } 542 else badarg = 1; 543 } 544 else if (!strcmp(*args, "-rsigner")) 545 { 546 if (args[1]) 547 { 548 args++; 549 rsignfile = *args; 550 } 551 else badarg = 1; 552 } 553 else if (!strcmp(*args, "-rkey")) 554 { 555 if (args[1]) 556 { 557 args++; 558 rkeyfile = *args; 559 } 560 else badarg = 1; 561 } 562 else if (!strcmp(*args, "-rother")) 563 { 564 if (args[1]) 565 { 566 args++; 567 rcertfile = *args; 568 } 569 else badarg = 1; 570 } 571 else if ((cert_id_md = EVP_get_digestbyname((*args)+1))==NULL) 572 { 573 badarg = 1; 574 } 575 args++; 576 } 577 578 /* Have we anything to do? */ 579 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1; 580 581 if (badarg) 582 { 583 BIO_printf (bio_err, "OCSP utility\n"); 584 BIO_printf (bio_err, "Usage ocsp [options]\n"); 585 BIO_printf (bio_err, "where options are\n"); 586 BIO_printf (bio_err, "-out file output filename\n"); 587 BIO_printf (bio_err, "-issuer file issuer certificate\n"); 588 BIO_printf (bio_err, "-cert file certificate to check\n"); 589 BIO_printf (bio_err, "-serial n serial number to check\n"); 590 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n"); 591 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n"); 592 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n"); 593 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n"); 594 BIO_printf (bio_err, "-req_text print text form of request\n"); 595 BIO_printf (bio_err, "-resp_text print text form of response\n"); 596 BIO_printf (bio_err, "-text print text form of request and response\n"); 597 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n"); 598 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n"); 599 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n"); 600 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n"); 601 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n"); 602 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n"); 603 BIO_printf (bio_err, "-url URL OCSP responder URL\n"); 604 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n"); 605 BIO_printf (bio_err, "-path path to use in OCSP request\n"); 606 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); 607 BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); 608 BIO_printf (bio_err, "-VAfile file validator certificates file\n"); 609 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n"); 610 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n"); 611 BIO_printf (bio_err, "-noverify don't verify response at all\n"); 612 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n"); 613 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n"); 614 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n"); 615 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n"); 616 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n"); 617 BIO_printf (bio_err, "-no_chain don't chain verify response\n"); 618 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n"); 619 BIO_printf (bio_err, "-port num port to run responder on\n"); 620 BIO_printf (bio_err, "-index file certificate status index file\n"); 621 BIO_printf (bio_err, "-CA file CA certificate\n"); 622 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n"); 623 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n"); 624 BIO_printf (bio_err, "-rother file other certificates to include in response\n"); 625 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n"); 626 BIO_printf (bio_err, "-nmin n number of minutes before next update\n"); 627 BIO_printf (bio_err, "-ndays n number of days before next update\n"); 628 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n"); 629 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n"); 630 BIO_printf (bio_err, "-<dgst alg> use specified digest in the request\n"); 631 BIO_printf (bio_err, "-timeout n timeout connection to OCSP responder after n seconds\n"); 632 goto end; 633 } 634 635 if(outfile) out = BIO_new_file(outfile, "w"); 636 else out = BIO_new_fp(stdout, BIO_NOCLOSE); 637 638 if(!out) 639 { 640 BIO_printf(bio_err, "Error opening output file\n"); 641 goto end; 642 } 643 644 if (!req && (add_nonce != 2)) add_nonce = 0; 645 646 if (!req && reqin) 647 { 648 derbio = BIO_new_file(reqin, "rb"); 649 if (!derbio) 650 { 651 BIO_printf(bio_err, "Error Opening OCSP request file\n"); 652 goto end; 653 } 654 req = d2i_OCSP_REQUEST_bio(derbio, NULL); 655 BIO_free(derbio); 656 if(!req) 657 { 658 BIO_printf(bio_err, "Error reading OCSP request\n"); 659 goto end; 660 } 661 } 662 663 if (!req && port) 664 { 665 acbio = init_responder(port); 666 if (!acbio) 667 goto end; 668 } 669 670 if (rsignfile && !rdb) 671 { 672 if (!rkeyfile) rkeyfile = rsignfile; 673 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, 674 NULL, e, "responder certificate"); 675 if (!rsigner) 676 { 677 BIO_printf(bio_err, "Error loading responder certificate\n"); 678 goto end; 679 } 680 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, 681 NULL, e, "CA certificate"); 682 if (rcertfile) 683 { 684 rother = load_certs(bio_err, rcertfile, FORMAT_PEM, 685 NULL, e, "responder other certificates"); 686 if (!rother) goto end; 687 } 688 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, 689 "responder private key"); 690 if (!rkey) 691 goto end; 692 } 693 if(acbio) 694 BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); 695 696 redo_accept: 697 698 if (acbio) 699 { 700 if (!do_responder(&req, &cbio, acbio, port)) 701 goto end; 702 if (!req) 703 { 704 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 705 send_ocsp_response(cbio, resp); 706 goto done_resp; 707 } 708 } 709 710 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) 711 { 712 BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); 713 goto end; 714 } 715 716 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1); 717 718 if (signfile) 719 { 720 if (!keyfile) keyfile = signfile; 721 signer = load_cert(bio_err, signfile, FORMAT_PEM, 722 NULL, e, "signer certificate"); 723 if (!signer) 724 { 725 BIO_printf(bio_err, "Error loading signer certificate\n"); 726 goto end; 727 } 728 if (sign_certfile) 729 { 730 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, 731 NULL, e, "signer certificates"); 732 if (!sign_other) goto end; 733 } 734 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, 735 "signer private key"); 736 if (!key) 737 goto end; 738 739 if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags)) 740 { 741 BIO_printf(bio_err, "Error signing OCSP request\n"); 742 goto end; 743 } 744 } 745 746 if (req_text && req) OCSP_REQUEST_print(out, req, 0); 747 748 if (reqout) 749 { 750 derbio = BIO_new_file(reqout, "wb"); 751 if(!derbio) 752 { 753 BIO_printf(bio_err, "Error opening file %s\n", reqout); 754 goto end; 755 } 756 i2d_OCSP_REQUEST_bio(derbio, req); 757 BIO_free(derbio); 758 } 759 760 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) 761 { 762 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n"); 763 goto end; 764 } 765 766 if (ridx_filename && !rdb) 767 { 768 rdb = load_index(ridx_filename, NULL); 769 if (!rdb) goto end; 770 if (!index_index(rdb)) goto end; 771 } 772 773 if (rdb) 774 { 775 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays); 776 if (cbio) 777 send_ocsp_response(cbio, resp); 778 } 779 else if (host) 780 { 781#ifndef OPENSSL_NO_SOCK 782 resp = process_responder(bio_err, req, host, path, 783 port, use_ssl, headers, req_timeout); 784 if (!resp) 785 goto end; 786#else 787 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n"); 788 goto end; 789#endif 790 } 791 else if (respin) 792 { 793 derbio = BIO_new_file(respin, "rb"); 794 if (!derbio) 795 { 796 BIO_printf(bio_err, "Error Opening OCSP response file\n"); 797 goto end; 798 } 799 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 800 BIO_free(derbio); 801 if(!resp) 802 { 803 BIO_printf(bio_err, "Error reading OCSP response\n"); 804 goto end; 805 } 806 807 } 808 else 809 { 810 ret = 0; 811 goto end; 812 } 813 814 done_resp: 815 816 if (respout) 817 { 818 derbio = BIO_new_file(respout, "wb"); 819 if(!derbio) 820 { 821 BIO_printf(bio_err, "Error opening file %s\n", respout); 822 goto end; 823 } 824 i2d_OCSP_RESPONSE_bio(derbio, resp); 825 BIO_free(derbio); 826 } 827 828 i = OCSP_response_status(resp); 829 830 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) 831 { 832 BIO_printf(out, "Responder Error: %s (%d)\n", 833 OCSP_response_status_str(i), i); 834 if (ignore_err) 835 goto redo_accept; 836 ret = 0; 837 goto end; 838 } 839 840 if (resp_text) OCSP_RESPONSE_print(out, resp, 0); 841 842 /* If running as responder don't verify our own response */ 843 if (cbio) 844 { 845 if (accept_count > 0) 846 accept_count--; 847 /* Redo if more connections needed */ 848 if (accept_count) 849 { 850 BIO_free_all(cbio); 851 cbio = NULL; 852 OCSP_REQUEST_free(req); 853 req = NULL; 854 OCSP_RESPONSE_free(resp); 855 resp = NULL; 856 goto redo_accept; 857 } 858 goto end; 859 } 860 861 if (!store) 862 store = setup_verify(bio_err, CAfile, CApath); 863 if (!store) 864 goto end; 865 if (verify_certfile) 866 { 867 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, 868 NULL, e, "validator certificate"); 869 if (!verify_other) goto end; 870 } 871 872 bs = OCSP_response_get1_basic(resp); 873 874 if (!bs) 875 { 876 BIO_printf(bio_err, "Error parsing response\n"); 877 goto end; 878 } 879 880 if (!noverify) 881 { 882 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) 883 { 884 if (i == -1) 885 BIO_printf(bio_err, "WARNING: no nonce in response\n"); 886 else 887 { 888 BIO_printf(bio_err, "Nonce Verify error\n"); 889 goto end; 890 } 891 } 892 893 i = OCSP_basic_verify(bs, verify_other, store, verify_flags); 894 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0); 895 896 if(i <= 0) 897 { 898 BIO_printf(bio_err, "Response Verify Failure\n"); 899 ERR_print_errors(bio_err); 900 } 901 else 902 BIO_printf(bio_err, "Response verify OK\n"); 903 904 } 905 906 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) 907 goto end; 908 909 ret = 0; 910 911end: 912 ERR_print_errors(bio_err); 913 X509_free(signer); 914 X509_STORE_free(store); 915 EVP_PKEY_free(key); 916 EVP_PKEY_free(rkey); 917 X509_free(issuer); 918 X509_free(cert); 919 X509_free(rsigner); 920 X509_free(rca_cert); 921 free_index(rdb); 922 BIO_free_all(cbio); 923 BIO_free_all(acbio); 924 BIO_free(out); 925 OCSP_REQUEST_free(req); 926 OCSP_RESPONSE_free(resp); 927 OCSP_BASICRESP_free(bs); 928 sk_OPENSSL_STRING_free(reqnames); 929 sk_OCSP_CERTID_free(ids); 930 sk_X509_pop_free(sign_other, X509_free); 931 sk_X509_pop_free(verify_other, X509_free); 932 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); 933 934 if (thost) 935 OPENSSL_free(thost); 936 if (tport) 937 OPENSSL_free(tport); 938 if (tpath) 939 OPENSSL_free(tpath); 940 941 OPENSSL_EXIT(ret); 942} 943 944static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer, 945 STACK_OF(OCSP_CERTID) *ids) 946 { 947 OCSP_CERTID *id; 948 if(!issuer) 949 { 950 BIO_printf(bio_err, "No issuer certificate specified\n"); 951 return 0; 952 } 953 if(!*req) *req = OCSP_REQUEST_new(); 954 if(!*req) goto err; 955 id = OCSP_cert_to_id(cert_id_md, cert, issuer); 956 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 957 if(!OCSP_request_add0_id(*req, id)) goto err; 958 return 1; 959 960 err: 961 BIO_printf(bio_err, "Error Creating OCSP request\n"); 962 return 0; 963 } 964 965static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer, 966 STACK_OF(OCSP_CERTID) *ids) 967 { 968 OCSP_CERTID *id; 969 X509_NAME *iname; 970 ASN1_BIT_STRING *ikey; 971 ASN1_INTEGER *sno; 972 if(!issuer) 973 { 974 BIO_printf(bio_err, "No issuer certificate specified\n"); 975 return 0; 976 } 977 if(!*req) *req = OCSP_REQUEST_new(); 978 if(!*req) goto err; 979 iname = X509_get_subject_name(issuer); 980 ikey = X509_get0_pubkey_bitstr(issuer); 981 sno = s2i_ASN1_INTEGER(NULL, serial); 982 if(!sno) 983 { 984 BIO_printf(bio_err, "Error converting serial number %s\n", serial); 985 return 0; 986 } 987 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); 988 ASN1_INTEGER_free(sno); 989 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 990 if(!OCSP_request_add0_id(*req, id)) goto err; 991 return 1; 992 993 err: 994 BIO_printf(bio_err, "Error Creating OCSP request\n"); 995 return 0; 996 } 997 998static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 999 STACK_OF(OPENSSL_STRING) *names, 1000 STACK_OF(OCSP_CERTID) *ids, long nsec, 1001 long maxage) 1002 { 1003 OCSP_CERTID *id; 1004 char *name; 1005 int i; 1006 1007 int status, reason; 1008 1009 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; 1010 1011 if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(ids)) 1012 return 1; 1013 1014 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) 1015 { 1016 id = sk_OCSP_CERTID_value(ids, i); 1017 name = sk_OPENSSL_STRING_value(names, i); 1018 BIO_printf(out, "%s: ", name); 1019 1020 if(!OCSP_resp_find_status(bs, id, &status, &reason, 1021 &rev, &thisupd, &nextupd)) 1022 { 1023 BIO_puts(out, "ERROR: No Status found.\n"); 1024 continue; 1025 } 1026 1027 /* Check validity: if invalid write to output BIO so we 1028 * know which response this refers to. 1029 */ 1030 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) 1031 { 1032 BIO_puts(out, "WARNING: Status times invalid.\n"); 1033 ERR_print_errors(out); 1034 } 1035 BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); 1036 1037 BIO_puts(out, "\tThis Update: "); 1038 ASN1_GENERALIZEDTIME_print(out, thisupd); 1039 BIO_puts(out, "\n"); 1040 1041 if(nextupd) 1042 { 1043 BIO_puts(out, "\tNext Update: "); 1044 ASN1_GENERALIZEDTIME_print(out, nextupd); 1045 BIO_puts(out, "\n"); 1046 } 1047 1048 if (status != V_OCSP_CERTSTATUS_REVOKED) 1049 continue; 1050 1051 if (reason != -1) 1052 BIO_printf(out, "\tReason: %s\n", 1053 OCSP_crl_reason_str(reason)); 1054 1055 BIO_puts(out, "\tRevocation Time: "); 1056 ASN1_GENERALIZEDTIME_print(out, rev); 1057 BIO_puts(out, "\n"); 1058 } 1059 1060 return 1; 1061 } 1062 1063 1064static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, 1065 X509 *ca, X509 *rcert, EVP_PKEY *rkey, 1066 STACK_OF(X509) *rother, unsigned long flags, 1067 int nmin, int ndays) 1068 { 1069 ASN1_TIME *thisupd = NULL, *nextupd = NULL; 1070 OCSP_CERTID *cid, *ca_id = NULL; 1071 OCSP_BASICRESP *bs = NULL; 1072 int i, id_count, ret = 1; 1073 1074 id_count = OCSP_request_onereq_count(req); 1075 1076 if (id_count <= 0) 1077 { 1078 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 1079 goto end; 1080 } 1081 1082 1083 bs = OCSP_BASICRESP_new(); 1084 thisupd = X509_gmtime_adj(NULL, 0); 1085 if (ndays != -1) 1086 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); 1087 1088 /* Examine each certificate id in the request */ 1089 for (i = 0; i < id_count; i++) 1090 { 1091 OCSP_ONEREQ *one; 1092 ASN1_INTEGER *serial; 1093 char **inf; 1094 ASN1_OBJECT *cert_id_md_oid; 1095 const EVP_MD *cert_id_md; 1096 one = OCSP_request_onereq_get0(req, i); 1097 cid = OCSP_onereq_get0_id(one); 1098 1099 OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid); 1100 1101 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); 1102 if (! cert_id_md) 1103 { 1104 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, 1105 NULL); 1106 goto end; 1107 } 1108 if (ca_id) OCSP_CERTID_free(ca_id); 1109 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); 1110 1111 /* Is this request about our CA? */ 1112 if (OCSP_id_issuer_cmp(ca_id, cid)) 1113 { 1114 OCSP_basic_add1_status(bs, cid, 1115 V_OCSP_CERTSTATUS_UNKNOWN, 1116 0, NULL, 1117 thisupd, nextupd); 1118 continue; 1119 } 1120 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); 1121 inf = lookup_serial(db, serial); 1122 if (!inf) 1123 OCSP_basic_add1_status(bs, cid, 1124 V_OCSP_CERTSTATUS_UNKNOWN, 1125 0, NULL, 1126 thisupd, nextupd); 1127 else if (inf[DB_type][0] == DB_TYPE_VAL) 1128 OCSP_basic_add1_status(bs, cid, 1129 V_OCSP_CERTSTATUS_GOOD, 1130 0, NULL, 1131 thisupd, nextupd); 1132 else if (inf[DB_type][0] == DB_TYPE_REV) 1133 { 1134 ASN1_OBJECT *inst = NULL; 1135 ASN1_TIME *revtm = NULL; 1136 ASN1_GENERALIZEDTIME *invtm = NULL; 1137 OCSP_SINGLERESP *single; 1138 int reason = -1; 1139 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); 1140 single = OCSP_basic_add1_status(bs, cid, 1141 V_OCSP_CERTSTATUS_REVOKED, 1142 reason, revtm, 1143 thisupd, nextupd); 1144 if (invtm) 1145 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0); 1146 else if (inst) 1147 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0); 1148 ASN1_OBJECT_free(inst); 1149 ASN1_TIME_free(revtm); 1150 ASN1_GENERALIZEDTIME_free(invtm); 1151 } 1152 } 1153 1154 OCSP_copy_nonce(bs, req); 1155 1156 OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); 1157 1158 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); 1159 1160 end: 1161 ASN1_TIME_free(thisupd); 1162 ASN1_TIME_free(nextupd); 1163 OCSP_CERTID_free(ca_id); 1164 OCSP_BASICRESP_free(bs); 1165 return ret; 1166 1167 } 1168 1169static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) 1170 { 1171 int i; 1172 BIGNUM *bn = NULL; 1173 char *itmp, *row[DB_NUMBER],**rrow; 1174 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; 1175 bn = ASN1_INTEGER_to_BN(ser,NULL); 1176 OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */ 1177 if (BN_is_zero(bn)) 1178 itmp = BUF_strdup("00"); 1179 else 1180 itmp = BN_bn2hex(bn); 1181 row[DB_serial] = itmp; 1182 BN_free(bn); 1183 rrow=TXT_DB_get_by_index(db->db,DB_serial,row); 1184 OPENSSL_free(itmp); 1185 return rrow; 1186 } 1187 1188/* Quick and dirty OCSP server: read in and parse input request */ 1189 1190static BIO *init_responder(char *port) 1191 { 1192 BIO *acbio = NULL, *bufbio = NULL; 1193 bufbio = BIO_new(BIO_f_buffer()); 1194 if (!bufbio) 1195 goto err; 1196#ifndef OPENSSL_NO_SOCK 1197 acbio = BIO_new_accept(port); 1198#else 1199 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n"); 1200#endif 1201 if (!acbio) 1202 goto err; 1203 BIO_set_accept_bios(acbio, bufbio); 1204 bufbio = NULL; 1205 1206 if (BIO_do_accept(acbio) <= 0) 1207 { 1208 BIO_printf(bio_err, "Error setting up accept BIO\n"); 1209 ERR_print_errors(bio_err); 1210 goto err; 1211 } 1212 1213 return acbio; 1214 1215 err: 1216 BIO_free_all(acbio); 1217 BIO_free(bufbio); 1218 return NULL; 1219 } 1220 1221static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port) 1222 { 1223 int have_post = 0, len; 1224 OCSP_REQUEST *req = NULL; 1225 char inbuf[1024]; 1226 BIO *cbio = NULL; 1227 1228 if (BIO_do_accept(acbio) <= 0) 1229 { 1230 BIO_printf(bio_err, "Error accepting connection\n"); 1231 ERR_print_errors(bio_err); 1232 return 0; 1233 } 1234 1235 cbio = BIO_pop(acbio); 1236 *pcbio = cbio; 1237 1238 for(;;) 1239 { 1240 len = BIO_gets(cbio, inbuf, sizeof inbuf); 1241 if (len <= 0) 1242 return 1; 1243 /* Look for "POST" signalling start of query */ 1244 if (!have_post) 1245 { 1246 if(strncmp(inbuf, "POST", 4)) 1247 { 1248 BIO_printf(bio_err, "Invalid request\n"); 1249 return 1; 1250 } 1251 have_post = 1; 1252 } 1253 /* Look for end of headers */ 1254 if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) 1255 break; 1256 } 1257 1258 /* Try to read OCSP request */ 1259 1260 req = d2i_OCSP_REQUEST_bio(cbio, NULL); 1261 1262 if (!req) 1263 { 1264 BIO_printf(bio_err, "Error parsing OCSP request\n"); 1265 ERR_print_errors(bio_err); 1266 } 1267 1268 *preq = req; 1269 1270 return 1; 1271 1272 } 1273 1274static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) 1275 { 1276 char http_resp[] = 1277 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" 1278 "Content-Length: %d\r\n\r\n"; 1279 if (!cbio) 1280 return 0; 1281 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); 1282 i2d_OCSP_RESPONSE_bio(cbio, resp); 1283 (void)BIO_flush(cbio); 1284 return 1; 1285 } 1286 1287static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 1288 STACK_OF(CONF_VALUE) *headers, 1289 OCSP_REQUEST *req, int req_timeout) 1290 { 1291 int fd; 1292 int rv; 1293 int i; 1294 OCSP_REQ_CTX *ctx = NULL; 1295 OCSP_RESPONSE *rsp = NULL; 1296 fd_set confds; 1297 struct timeval tv; 1298 1299 if (req_timeout != -1) 1300 BIO_set_nbio(cbio, 1); 1301 1302 rv = BIO_do_connect(cbio); 1303 1304 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) 1305 { 1306 BIO_puts(err, "Error connecting BIO\n"); 1307 return NULL; 1308 } 1309 1310 if (BIO_get_fd(cbio, &fd) <= 0) 1311 { 1312 BIO_puts(err, "Can't get connection fd\n"); 1313 goto err; 1314 } 1315 1316 if (req_timeout != -1 && rv <= 0) 1317 { 1318 FD_ZERO(&confds); 1319 openssl_fdset(fd, &confds); 1320 tv.tv_usec = 0; 1321 tv.tv_sec = req_timeout; 1322 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1323 if (rv == 0) 1324 { 1325 BIO_puts(err, "Timeout on connect\n"); 1326 return NULL; 1327 } 1328 } 1329 1330 1331 ctx = OCSP_sendreq_new(cbio, path, NULL, -1); 1332 if (!ctx) 1333 return NULL; 1334 1335 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) 1336 { 1337 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); 1338 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) 1339 goto err; 1340 } 1341 1342 if (!OCSP_REQ_CTX_set1_req(ctx, req)) 1343 goto err; 1344 1345 for (;;) 1346 { 1347 rv = OCSP_sendreq_nbio(&rsp, ctx); 1348 if (rv != -1) 1349 break; 1350 if (req_timeout == -1) 1351 continue; 1352 FD_ZERO(&confds); 1353 openssl_fdset(fd, &confds); 1354 tv.tv_usec = 0; 1355 tv.tv_sec = req_timeout; 1356 if (BIO_should_read(cbio)) 1357 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); 1358 else if (BIO_should_write(cbio)) 1359 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1360 else 1361 { 1362 BIO_puts(err, "Unexpected retry condition\n"); 1363 goto err; 1364 } 1365 if (rv == 0) 1366 { 1367 BIO_puts(err, "Timeout on request\n"); 1368 break; 1369 } 1370 if (rv == -1) 1371 { 1372 BIO_puts(err, "Select error\n"); 1373 break; 1374 } 1375 1376 } 1377 err: 1378 if (ctx) 1379 OCSP_REQ_CTX_free(ctx); 1380 1381 return rsp; 1382 } 1383 1384OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, 1385 char *host, char *path, char *port, int use_ssl, 1386 STACK_OF(CONF_VALUE) *headers, 1387 int req_timeout) 1388 { 1389 BIO *cbio = NULL; 1390 SSL_CTX *ctx = NULL; 1391 OCSP_RESPONSE *resp = NULL; 1392 cbio = BIO_new_connect(host); 1393 if (!cbio) 1394 { 1395 BIO_printf(err, "Error creating connect BIO\n"); 1396 goto end; 1397 } 1398 if (port) BIO_set_conn_port(cbio, port); 1399 if (use_ssl == 1) 1400 { 1401 BIO *sbio; 1402 ctx = SSL_CTX_new(SSLv23_client_method()); 1403 if (ctx == NULL) 1404 { 1405 BIO_printf(err, "Error creating SSL context.\n"); 1406 goto end; 1407 } 1408 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); 1409 sbio = BIO_new_ssl(ctx, 1); 1410 cbio = BIO_push(sbio, cbio); 1411 } 1412 resp = query_responder(err, cbio, path, headers, req, req_timeout); 1413 if (!resp) 1414 BIO_printf(bio_err, "Error querying OCSP responder\n"); 1415 end: 1416 if (cbio) 1417 BIO_free_all(cbio); 1418 if (ctx) 1419 SSL_CTX_free(ctx); 1420 return resp; 1421 } 1422 1423#endif 1424