ocsp.c revision 267258
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 goto end; 632 } 633 634 if(outfile) out = BIO_new_file(outfile, "w"); 635 else out = BIO_new_fp(stdout, BIO_NOCLOSE); 636 637 if(!out) 638 { 639 BIO_printf(bio_err, "Error opening output file\n"); 640 goto end; 641 } 642 643 if (!req && (add_nonce != 2)) add_nonce = 0; 644 645 if (!req && reqin) 646 { 647 derbio = BIO_new_file(reqin, "rb"); 648 if (!derbio) 649 { 650 BIO_printf(bio_err, "Error Opening OCSP request file\n"); 651 goto end; 652 } 653 req = d2i_OCSP_REQUEST_bio(derbio, NULL); 654 BIO_free(derbio); 655 if(!req) 656 { 657 BIO_printf(bio_err, "Error reading OCSP request\n"); 658 goto end; 659 } 660 } 661 662 if (!req && port) 663 { 664 acbio = init_responder(port); 665 if (!acbio) 666 goto end; 667 } 668 669 if (rsignfile && !rdb) 670 { 671 if (!rkeyfile) rkeyfile = rsignfile; 672 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, 673 NULL, e, "responder certificate"); 674 if (!rsigner) 675 { 676 BIO_printf(bio_err, "Error loading responder certificate\n"); 677 goto end; 678 } 679 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, 680 NULL, e, "CA certificate"); 681 if (rcertfile) 682 { 683 rother = load_certs(bio_err, rcertfile, FORMAT_PEM, 684 NULL, e, "responder other certificates"); 685 if (!rother) goto end; 686 } 687 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, 688 "responder private key"); 689 if (!rkey) 690 goto end; 691 } 692 if(acbio) 693 BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); 694 695 redo_accept: 696 697 if (acbio) 698 { 699 if (!do_responder(&req, &cbio, acbio, port)) 700 goto end; 701 if (!req) 702 { 703 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 704 send_ocsp_response(cbio, resp); 705 goto done_resp; 706 } 707 } 708 709 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) 710 { 711 BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); 712 goto end; 713 } 714 715 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1); 716 717 if (signfile) 718 { 719 if (!keyfile) keyfile = signfile; 720 signer = load_cert(bio_err, signfile, FORMAT_PEM, 721 NULL, e, "signer certificate"); 722 if (!signer) 723 { 724 BIO_printf(bio_err, "Error loading signer certificate\n"); 725 goto end; 726 } 727 if (sign_certfile) 728 { 729 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, 730 NULL, e, "signer certificates"); 731 if (!sign_other) goto end; 732 } 733 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, 734 "signer private key"); 735 if (!key) 736 goto end; 737 738 if (!OCSP_request_sign(req, signer, key, NULL, sign_other, sign_flags)) 739 { 740 BIO_printf(bio_err, "Error signing OCSP request\n"); 741 goto end; 742 } 743 } 744 745 if (req_text && req) OCSP_REQUEST_print(out, req, 0); 746 747 if (reqout) 748 { 749 derbio = BIO_new_file(reqout, "wb"); 750 if(!derbio) 751 { 752 BIO_printf(bio_err, "Error opening file %s\n", reqout); 753 goto end; 754 } 755 i2d_OCSP_REQUEST_bio(derbio, req); 756 BIO_free(derbio); 757 } 758 759 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) 760 { 761 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n"); 762 goto end; 763 } 764 765 if (ridx_filename && !rdb) 766 { 767 rdb = load_index(ridx_filename, NULL); 768 if (!rdb) goto end; 769 if (!index_index(rdb)) goto end; 770 } 771 772 if (rdb) 773 { 774 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays); 775 if (cbio) 776 send_ocsp_response(cbio, resp); 777 } 778 else if (host) 779 { 780#ifndef OPENSSL_NO_SOCK 781 resp = process_responder(bio_err, req, host, path, 782 port, use_ssl, headers, req_timeout); 783 if (!resp) 784 goto end; 785#else 786 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n"); 787 goto end; 788#endif 789 } 790 else if (respin) 791 { 792 derbio = BIO_new_file(respin, "rb"); 793 if (!derbio) 794 { 795 BIO_printf(bio_err, "Error Opening OCSP response file\n"); 796 goto end; 797 } 798 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 799 BIO_free(derbio); 800 if(!resp) 801 { 802 BIO_printf(bio_err, "Error reading OCSP response\n"); 803 goto end; 804 } 805 806 } 807 else 808 { 809 ret = 0; 810 goto end; 811 } 812 813 done_resp: 814 815 if (respout) 816 { 817 derbio = BIO_new_file(respout, "wb"); 818 if(!derbio) 819 { 820 BIO_printf(bio_err, "Error opening file %s\n", respout); 821 goto end; 822 } 823 i2d_OCSP_RESPONSE_bio(derbio, resp); 824 BIO_free(derbio); 825 } 826 827 i = OCSP_response_status(resp); 828 829 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) 830 { 831 BIO_printf(out, "Responder Error: %s (%d)\n", 832 OCSP_response_status_str(i), i); 833 if (ignore_err) 834 goto redo_accept; 835 ret = 0; 836 goto end; 837 } 838 839 if (resp_text) OCSP_RESPONSE_print(out, resp, 0); 840 841 /* If running as responder don't verify our own response */ 842 if (cbio) 843 { 844 if (accept_count > 0) 845 accept_count--; 846 /* Redo if more connections needed */ 847 if (accept_count) 848 { 849 BIO_free_all(cbio); 850 cbio = NULL; 851 OCSP_REQUEST_free(req); 852 req = NULL; 853 OCSP_RESPONSE_free(resp); 854 resp = NULL; 855 goto redo_accept; 856 } 857 goto end; 858 } 859 860 if (!store) 861 store = setup_verify(bio_err, CAfile, CApath); 862 if (!store) 863 goto end; 864 if (verify_certfile) 865 { 866 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, 867 NULL, e, "validator certificate"); 868 if (!verify_other) goto end; 869 } 870 871 bs = OCSP_response_get1_basic(resp); 872 873 if (!bs) 874 { 875 BIO_printf(bio_err, "Error parsing response\n"); 876 goto end; 877 } 878 879 if (!noverify) 880 { 881 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) 882 { 883 if (i == -1) 884 BIO_printf(bio_err, "WARNING: no nonce in response\n"); 885 else 886 { 887 BIO_printf(bio_err, "Nonce Verify error\n"); 888 goto end; 889 } 890 } 891 892 i = OCSP_basic_verify(bs, verify_other, store, verify_flags); 893 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0); 894 895 if(i <= 0) 896 { 897 BIO_printf(bio_err, "Response Verify Failure\n"); 898 ERR_print_errors(bio_err); 899 } 900 else 901 BIO_printf(bio_err, "Response verify OK\n"); 902 903 } 904 905 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) 906 goto end; 907 908 ret = 0; 909 910end: 911 ERR_print_errors(bio_err); 912 X509_free(signer); 913 X509_STORE_free(store); 914 EVP_PKEY_free(key); 915 EVP_PKEY_free(rkey); 916 X509_free(issuer); 917 X509_free(cert); 918 X509_free(rsigner); 919 X509_free(rca_cert); 920 free_index(rdb); 921 BIO_free_all(cbio); 922 BIO_free_all(acbio); 923 BIO_free(out); 924 OCSP_REQUEST_free(req); 925 OCSP_RESPONSE_free(resp); 926 OCSP_BASICRESP_free(bs); 927 sk_OPENSSL_STRING_free(reqnames); 928 sk_OCSP_CERTID_free(ids); 929 sk_X509_pop_free(sign_other, X509_free); 930 sk_X509_pop_free(verify_other, X509_free); 931 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); 932 933 if (thost) 934 OPENSSL_free(thost); 935 if (tport) 936 OPENSSL_free(tport); 937 if (tpath) 938 OPENSSL_free(tpath); 939 940 OPENSSL_EXIT(ret); 941} 942 943static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, const EVP_MD *cert_id_md,X509 *issuer, 944 STACK_OF(OCSP_CERTID) *ids) 945 { 946 OCSP_CERTID *id; 947 if(!issuer) 948 { 949 BIO_printf(bio_err, "No issuer certificate specified\n"); 950 return 0; 951 } 952 if(!*req) *req = OCSP_REQUEST_new(); 953 if(!*req) goto err; 954 id = OCSP_cert_to_id(cert_id_md, cert, issuer); 955 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 956 if(!OCSP_request_add0_id(*req, id)) goto err; 957 return 1; 958 959 err: 960 BIO_printf(bio_err, "Error Creating OCSP request\n"); 961 return 0; 962 } 963 964static int add_ocsp_serial(OCSP_REQUEST **req, char *serial,const EVP_MD *cert_id_md, X509 *issuer, 965 STACK_OF(OCSP_CERTID) *ids) 966 { 967 OCSP_CERTID *id; 968 X509_NAME *iname; 969 ASN1_BIT_STRING *ikey; 970 ASN1_INTEGER *sno; 971 if(!issuer) 972 { 973 BIO_printf(bio_err, "No issuer certificate specified\n"); 974 return 0; 975 } 976 if(!*req) *req = OCSP_REQUEST_new(); 977 if(!*req) goto err; 978 iname = X509_get_subject_name(issuer); 979 ikey = X509_get0_pubkey_bitstr(issuer); 980 sno = s2i_ASN1_INTEGER(NULL, serial); 981 if(!sno) 982 { 983 BIO_printf(bio_err, "Error converting serial number %s\n", serial); 984 return 0; 985 } 986 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); 987 ASN1_INTEGER_free(sno); 988 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 989 if(!OCSP_request_add0_id(*req, id)) goto err; 990 return 1; 991 992 err: 993 BIO_printf(bio_err, "Error Creating OCSP request\n"); 994 return 0; 995 } 996 997static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 998 STACK_OF(OPENSSL_STRING) *names, 999 STACK_OF(OCSP_CERTID) *ids, long nsec, 1000 long maxage) 1001 { 1002 OCSP_CERTID *id; 1003 char *name; 1004 int i; 1005 1006 int status, reason; 1007 1008 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; 1009 1010 if (!bs || !req || !sk_OPENSSL_STRING_num(names) || !sk_OCSP_CERTID_num(ids)) 1011 return 1; 1012 1013 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) 1014 { 1015 id = sk_OCSP_CERTID_value(ids, i); 1016 name = sk_OPENSSL_STRING_value(names, i); 1017 BIO_printf(out, "%s: ", name); 1018 1019 if(!OCSP_resp_find_status(bs, id, &status, &reason, 1020 &rev, &thisupd, &nextupd)) 1021 { 1022 BIO_puts(out, "ERROR: No Status found.\n"); 1023 continue; 1024 } 1025 1026 /* Check validity: if invalid write to output BIO so we 1027 * know which response this refers to. 1028 */ 1029 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) 1030 { 1031 BIO_puts(out, "WARNING: Status times invalid.\n"); 1032 ERR_print_errors(out); 1033 } 1034 BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); 1035 1036 BIO_puts(out, "\tThis Update: "); 1037 ASN1_GENERALIZEDTIME_print(out, thisupd); 1038 BIO_puts(out, "\n"); 1039 1040 if(nextupd) 1041 { 1042 BIO_puts(out, "\tNext Update: "); 1043 ASN1_GENERALIZEDTIME_print(out, nextupd); 1044 BIO_puts(out, "\n"); 1045 } 1046 1047 if (status != V_OCSP_CERTSTATUS_REVOKED) 1048 continue; 1049 1050 if (reason != -1) 1051 BIO_printf(out, "\tReason: %s\n", 1052 OCSP_crl_reason_str(reason)); 1053 1054 BIO_puts(out, "\tRevocation Time: "); 1055 ASN1_GENERALIZEDTIME_print(out, rev); 1056 BIO_puts(out, "\n"); 1057 } 1058 1059 return 1; 1060 } 1061 1062 1063static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, 1064 X509 *ca, X509 *rcert, EVP_PKEY *rkey, 1065 STACK_OF(X509) *rother, unsigned long flags, 1066 int nmin, int ndays) 1067 { 1068 ASN1_TIME *thisupd = NULL, *nextupd = NULL; 1069 OCSP_CERTID *cid, *ca_id = NULL; 1070 OCSP_BASICRESP *bs = NULL; 1071 int i, id_count, ret = 1; 1072 1073 id_count = OCSP_request_onereq_count(req); 1074 1075 if (id_count <= 0) 1076 { 1077 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 1078 goto end; 1079 } 1080 1081 1082 bs = OCSP_BASICRESP_new(); 1083 thisupd = X509_gmtime_adj(NULL, 0); 1084 if (ndays != -1) 1085 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); 1086 1087 /* Examine each certificate id in the request */ 1088 for (i = 0; i < id_count; i++) 1089 { 1090 OCSP_ONEREQ *one; 1091 ASN1_INTEGER *serial; 1092 char **inf; 1093 ASN1_OBJECT *cert_id_md_oid; 1094 const EVP_MD *cert_id_md; 1095 one = OCSP_request_onereq_get0(req, i); 1096 cid = OCSP_onereq_get0_id(one); 1097 1098 OCSP_id_get0_info(NULL,&cert_id_md_oid, NULL,NULL, cid); 1099 1100 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); 1101 if (! cert_id_md) 1102 { 1103 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, 1104 NULL); 1105 goto end; 1106 } 1107 if (ca_id) OCSP_CERTID_free(ca_id); 1108 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); 1109 1110 /* Is this request about our CA? */ 1111 if (OCSP_id_issuer_cmp(ca_id, cid)) 1112 { 1113 OCSP_basic_add1_status(bs, cid, 1114 V_OCSP_CERTSTATUS_UNKNOWN, 1115 0, NULL, 1116 thisupd, nextupd); 1117 continue; 1118 } 1119 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); 1120 inf = lookup_serial(db, serial); 1121 if (!inf) 1122 OCSP_basic_add1_status(bs, cid, 1123 V_OCSP_CERTSTATUS_UNKNOWN, 1124 0, NULL, 1125 thisupd, nextupd); 1126 else if (inf[DB_type][0] == DB_TYPE_VAL) 1127 OCSP_basic_add1_status(bs, cid, 1128 V_OCSP_CERTSTATUS_GOOD, 1129 0, NULL, 1130 thisupd, nextupd); 1131 else if (inf[DB_type][0] == DB_TYPE_REV) 1132 { 1133 ASN1_OBJECT *inst = NULL; 1134 ASN1_TIME *revtm = NULL; 1135 ASN1_GENERALIZEDTIME *invtm = NULL; 1136 OCSP_SINGLERESP *single; 1137 int reason = -1; 1138 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); 1139 single = OCSP_basic_add1_status(bs, cid, 1140 V_OCSP_CERTSTATUS_REVOKED, 1141 reason, revtm, 1142 thisupd, nextupd); 1143 if (invtm) 1144 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0); 1145 else if (inst) 1146 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0); 1147 ASN1_OBJECT_free(inst); 1148 ASN1_TIME_free(revtm); 1149 ASN1_GENERALIZEDTIME_free(invtm); 1150 } 1151 } 1152 1153 OCSP_copy_nonce(bs, req); 1154 1155 OCSP_basic_sign(bs, rcert, rkey, NULL, rother, flags); 1156 1157 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); 1158 1159 end: 1160 ASN1_TIME_free(thisupd); 1161 ASN1_TIME_free(nextupd); 1162 OCSP_CERTID_free(ca_id); 1163 OCSP_BASICRESP_free(bs); 1164 return ret; 1165 1166 } 1167 1168static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) 1169 { 1170 int i; 1171 BIGNUM *bn = NULL; 1172 char *itmp, *row[DB_NUMBER],**rrow; 1173 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; 1174 bn = ASN1_INTEGER_to_BN(ser,NULL); 1175 OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */ 1176 if (BN_is_zero(bn)) 1177 itmp = BUF_strdup("00"); 1178 else 1179 itmp = BN_bn2hex(bn); 1180 row[DB_serial] = itmp; 1181 BN_free(bn); 1182 rrow=TXT_DB_get_by_index(db->db,DB_serial,row); 1183 OPENSSL_free(itmp); 1184 return rrow; 1185 } 1186 1187/* Quick and dirty OCSP server: read in and parse input request */ 1188 1189static BIO *init_responder(char *port) 1190 { 1191 BIO *acbio = NULL, *bufbio = NULL; 1192 bufbio = BIO_new(BIO_f_buffer()); 1193 if (!bufbio) 1194 goto err; 1195#ifndef OPENSSL_NO_SOCK 1196 acbio = BIO_new_accept(port); 1197#else 1198 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n"); 1199#endif 1200 if (!acbio) 1201 goto err; 1202 BIO_set_accept_bios(acbio, bufbio); 1203 bufbio = NULL; 1204 1205 if (BIO_do_accept(acbio) <= 0) 1206 { 1207 BIO_printf(bio_err, "Error setting up accept BIO\n"); 1208 ERR_print_errors(bio_err); 1209 goto err; 1210 } 1211 1212 return acbio; 1213 1214 err: 1215 BIO_free_all(acbio); 1216 BIO_free(bufbio); 1217 return NULL; 1218 } 1219 1220static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port) 1221 { 1222 int have_post = 0, len; 1223 OCSP_REQUEST *req = NULL; 1224 char inbuf[1024]; 1225 BIO *cbio = NULL; 1226 1227 if (BIO_do_accept(acbio) <= 0) 1228 { 1229 BIO_printf(bio_err, "Error accepting connection\n"); 1230 ERR_print_errors(bio_err); 1231 return 0; 1232 } 1233 1234 cbio = BIO_pop(acbio); 1235 *pcbio = cbio; 1236 1237 for(;;) 1238 { 1239 len = BIO_gets(cbio, inbuf, sizeof inbuf); 1240 if (len <= 0) 1241 return 1; 1242 /* Look for "POST" signalling start of query */ 1243 if (!have_post) 1244 { 1245 if(strncmp(inbuf, "POST", 4)) 1246 { 1247 BIO_printf(bio_err, "Invalid request\n"); 1248 return 1; 1249 } 1250 have_post = 1; 1251 } 1252 /* Look for end of headers */ 1253 if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) 1254 break; 1255 } 1256 1257 /* Try to read OCSP request */ 1258 1259 req = d2i_OCSP_REQUEST_bio(cbio, NULL); 1260 1261 if (!req) 1262 { 1263 BIO_printf(bio_err, "Error parsing OCSP request\n"); 1264 ERR_print_errors(bio_err); 1265 } 1266 1267 *preq = req; 1268 1269 return 1; 1270 1271 } 1272 1273static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) 1274 { 1275 char http_resp[] = 1276 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" 1277 "Content-Length: %d\r\n\r\n"; 1278 if (!cbio) 1279 return 0; 1280 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); 1281 i2d_OCSP_RESPONSE_bio(cbio, resp); 1282 (void)BIO_flush(cbio); 1283 return 1; 1284 } 1285 1286static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 1287 STACK_OF(CONF_VALUE) *headers, 1288 OCSP_REQUEST *req, int req_timeout) 1289 { 1290 int fd; 1291 int rv; 1292 int i; 1293 OCSP_REQ_CTX *ctx = NULL; 1294 OCSP_RESPONSE *rsp = NULL; 1295 fd_set confds; 1296 struct timeval tv; 1297 1298 if (req_timeout != -1) 1299 BIO_set_nbio(cbio, 1); 1300 1301 rv = BIO_do_connect(cbio); 1302 1303 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) 1304 { 1305 BIO_puts(err, "Error connecting BIO\n"); 1306 return NULL; 1307 } 1308 1309 if (BIO_get_fd(cbio, &fd) <= 0) 1310 { 1311 BIO_puts(err, "Can't get connection fd\n"); 1312 goto err; 1313 } 1314 1315 if (req_timeout != -1 && rv <= 0) 1316 { 1317 FD_ZERO(&confds); 1318 openssl_fdset(fd, &confds); 1319 tv.tv_usec = 0; 1320 tv.tv_sec = req_timeout; 1321 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1322 if (rv == 0) 1323 { 1324 BIO_puts(err, "Timeout on connect\n"); 1325 return NULL; 1326 } 1327 } 1328 1329 1330 ctx = OCSP_sendreq_new(cbio, path, NULL, -1); 1331 if (!ctx) 1332 return NULL; 1333 1334 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) 1335 { 1336 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); 1337 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) 1338 goto err; 1339 } 1340 1341 if (!OCSP_REQ_CTX_set1_req(ctx, req)) 1342 goto err; 1343 1344 for (;;) 1345 { 1346 rv = OCSP_sendreq_nbio(&rsp, ctx); 1347 if (rv != -1) 1348 break; 1349 if (req_timeout == -1) 1350 continue; 1351 FD_ZERO(&confds); 1352 openssl_fdset(fd, &confds); 1353 tv.tv_usec = 0; 1354 tv.tv_sec = req_timeout; 1355 if (BIO_should_read(cbio)) 1356 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); 1357 else if (BIO_should_write(cbio)) 1358 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1359 else 1360 { 1361 BIO_puts(err, "Unexpected retry condition\n"); 1362 goto err; 1363 } 1364 if (rv == 0) 1365 { 1366 BIO_puts(err, "Timeout on request\n"); 1367 break; 1368 } 1369 if (rv == -1) 1370 { 1371 BIO_puts(err, "Select error\n"); 1372 break; 1373 } 1374 1375 } 1376 err: 1377 if (ctx) 1378 OCSP_REQ_CTX_free(ctx); 1379 1380 return rsp; 1381 } 1382 1383OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, 1384 char *host, char *path, char *port, int use_ssl, 1385 STACK_OF(CONF_VALUE) *headers, 1386 int req_timeout) 1387 { 1388 BIO *cbio = NULL; 1389 SSL_CTX *ctx = NULL; 1390 OCSP_RESPONSE *resp = NULL; 1391 cbio = BIO_new_connect(host); 1392 if (!cbio) 1393 { 1394 BIO_printf(err, "Error creating connect BIO\n"); 1395 goto end; 1396 } 1397 if (port) BIO_set_conn_port(cbio, port); 1398 if (use_ssl == 1) 1399 { 1400 BIO *sbio; 1401#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 1402 ctx = SSL_CTX_new(SSLv23_client_method()); 1403#elif !defined(OPENSSL_NO_SSL3) 1404 ctx = SSL_CTX_new(SSLv3_client_method()); 1405#elif !defined(OPENSSL_NO_SSL2) 1406 ctx = SSL_CTX_new(SSLv2_client_method()); 1407#else 1408 BIO_printf(err, "SSL is disabled\n"); 1409 goto end; 1410#endif 1411 if (ctx == NULL) 1412 { 1413 BIO_printf(err, "Error creating SSL context.\n"); 1414 goto end; 1415 } 1416 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); 1417 sbio = BIO_new_ssl(ctx, 1); 1418 cbio = BIO_push(sbio, cbio); 1419 } 1420 resp = query_responder(err, cbio, path, headers, req, req_timeout); 1421 if (!resp) 1422 BIO_printf(bio_err, "Error querying OCSP responsder\n"); 1423 end: 1424 if (cbio) 1425 BIO_free_all(cbio); 1426 if (ctx) 1427 SSL_CTX_free(ctx); 1428 return resp; 1429 } 1430 1431#endif 1432