1 /* ocsp.c */ 2 /* 3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4 * 2000. 5 */ 6 /* ==================================================================== 7 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. All advertising materials mentioning features or use of this 22 * software must display the following acknowledgment: 23 * "This product includes software developed by the OpenSSL Project 24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25 * 26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27 * endorse or promote products derived from this software without 28 * prior written permission. For written permission, please contact 29 * licensing@OpenSSL.org. 30 * 31 * 5. Products derived from this software may not be called "OpenSSL" 32 * nor may "OpenSSL" appear in their names without prior written 33 * permission of the OpenSSL Project. 34 * 35 * 6. Redistributions of any form whatsoever must retain the following 36 * acknowledgment: 37 * "This product includes software developed by the OpenSSL Project 38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51 * OF THE POSSIBILITY OF SUCH DAMAGE. 52 * ==================================================================== 53 * 54 * This product includes cryptographic software written by Eric Young 55 * (eay@cryptsoft.com). This product includes software written by Tim 56 * Hudson (tjh@cryptsoft.com). 57 * 58 */ 59 #ifndef OPENSSL_NO_OCSP 60 61 # ifdef OPENSSL_SYS_VMS 62 # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined 63 * on OpenVMS */ 64 # endif 65 66 # define USE_SOCKETS 67 68 # include <stdio.h> 69 # include <stdlib.h> 70 # include <string.h> 71 # include <time.h> 72 # include "apps.h" /* needs to be included before the openssl 73 * headers! */ 74 # include <openssl/e_os2.h> 75 # include <openssl/crypto.h> 76 # include <openssl/err.h> 77 # include <openssl/ssl.h> 78 # include <openssl/evp.h> 79 # include <openssl/bn.h> 80 # include <openssl/x509v3.h> 81 82 # if defined(NETWARE_CLIB) 83 # ifdef NETWARE_BSDSOCK 84 # include <sys/socket.h> 85 # include <sys/bsdskt.h> 86 # else 87 # include <novsock2.h> 88 # endif 89 # elif defined(NETWARE_LIBC) 90 # ifdef NETWARE_BSDSOCK 91 # include <sys/select.h> 92 # else 93 # include <novsock2.h> 94 # endif 95 # endif 96 97 /* Maximum leeway in validity period: default 5 minutes */ 98 # define MAX_VALIDITY_PERIOD (5 * 60) 99 100 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, 101 const EVP_MD *cert_id_md, X509 *issuer, 102 STACK_OF(OCSP_CERTID) *ids); 103 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, 104 const EVP_MD *cert_id_md, X509 *issuer, 105 STACK_OF(OCSP_CERTID) *ids); 106 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 107 STACK_OF(OPENSSL_STRING) *names, 108 STACK_OF(OCSP_CERTID) *ids, long nsec, 109 long maxage); 110 111 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, 112 CA_DB *db, X509 *ca, X509 *rcert, 113 EVP_PKEY *rkey, const EVP_MD *md, 114 STACK_OF(X509) *rother, unsigned long flags, 115 int nmin, int ndays, int badsig); 116 117 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); 118 static BIO *init_responder(const char *port); 119 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, 120 const char *port); 121 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); 122 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path, 123 const STACK_OF(CONF_VALUE) *headers, 124 OCSP_REQUEST *req, int req_timeout); 125 126 # undef PROG 127 # define PROG ocsp_main 128 129 int MAIN(int, char **); 130 131 int MAIN(int argc, char **argv) 132 { 133 ENGINE *e = NULL; 134 char **args; 135 char *host = NULL, *port = NULL, *path = "/"; 136 char *thost = NULL, *tport = NULL, *tpath = NULL; 137 char *reqin = NULL, *respin = NULL; 138 char *reqout = NULL, *respout = NULL; 139 char *signfile = NULL, *keyfile = NULL; 140 char *rsignfile = NULL, *rkeyfile = NULL; 141 char *outfile = NULL; 142 int add_nonce = 1, noverify = 0, use_ssl = -1; 143 STACK_OF(CONF_VALUE) *headers = NULL; 144 OCSP_REQUEST *req = NULL; 145 OCSP_RESPONSE *resp = NULL; 146 OCSP_BASICRESP *bs = NULL; 147 X509 *issuer = NULL, *cert = NULL; 148 X509 *signer = NULL, *rsigner = NULL; 149 EVP_PKEY *key = NULL, *rkey = NULL; 150 BIO *acbio = NULL, *cbio = NULL; 151 BIO *derbio = NULL; 152 BIO *out = NULL; 153 int req_timeout = -1; 154 int req_text = 0, resp_text = 0; 155 long nsec = MAX_VALIDITY_PERIOD, maxage = -1; 156 char *CAfile = NULL, *CApath = NULL; 157 X509_STORE *store = NULL; 158 X509_VERIFY_PARAM *vpm = NULL; 159 STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; 160 char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; 161 unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; 162 int ret = 1; 163 int accept_count = -1; 164 int badarg = 0; 165 int badsig = 0; 166 int i; 167 int ignore_err = 0; 168 STACK_OF(OPENSSL_STRING) *reqnames = NULL; 169 STACK_OF(OCSP_CERTID) *ids = NULL; 170 171 X509 *rca_cert = NULL; 172 char *ridx_filename = NULL; 173 char *rca_filename = NULL; 174 CA_DB *rdb = NULL; 175 int nmin = 0, ndays = -1; 176 const EVP_MD *cert_id_md = NULL, *rsign_md = NULL; 177 178 if (bio_err == NULL) 179 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 180 181 if (!load_config(bio_err, NULL)) 182 goto end; 183 SSL_load_error_strings(); 184 OpenSSL_add_ssl_algorithms(); 185 args = argv + 1; 186 reqnames = sk_OPENSSL_STRING_new_null(); 187 ids = sk_OCSP_CERTID_new_null(); 188 while (!badarg && *args && *args[0] == '-') { 189 if (!strcmp(*args, "-out")) { 190 if (args[1]) { 191 args++; 192 outfile = *args; 193 } else 194 badarg = 1; 195 } else if (!strcmp(*args, "-timeout")) { 196 if (args[1]) { 197 args++; 198 req_timeout = atol(*args); 199 if (req_timeout < 0) { 200 BIO_printf(bio_err, "Illegal timeout value %s\n", *args); 201 badarg = 1; 202 } 203 } else 204 badarg = 1; 205 } else if (!strcmp(*args, "-url")) { 206 if (thost) 207 OPENSSL_free(thost); 208 if (tport) 209 OPENSSL_free(tport); 210 if (tpath) 211 OPENSSL_free(tpath); 212 thost = tport = tpath = NULL; 213 if (args[1]) { 214 args++; 215 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) { 216 BIO_printf(bio_err, "Error parsing URL\n"); 217 badarg = 1; 218 } 219 thost = host; 220 tport = port; 221 tpath = path; 222 } else 223 badarg = 1; 224 } else if (!strcmp(*args, "-host")) { 225 if (args[1]) { 226 args++; 227 host = *args; 228 } else 229 badarg = 1; 230 } else if (!strcmp(*args, "-port")) { 231 if (args[1]) { 232 args++; 233 port = *args; 234 } else 235 badarg = 1; 236 } else if (!strcmp(*args, "-header")) { 237 if (args[1] && args[2]) { 238 if (!X509V3_add_value(args[1], args[2], &headers)) 239 goto end; 240 args += 2; 241 } else 242 badarg = 1; 243 } else if (!strcmp(*args, "-ignore_err")) 244 ignore_err = 1; 245 else if (!strcmp(*args, "-noverify")) 246 noverify = 1; 247 else if (!strcmp(*args, "-nonce")) 248 add_nonce = 2; 249 else if (!strcmp(*args, "-no_nonce")) 250 add_nonce = 0; 251 else if (!strcmp(*args, "-resp_no_certs")) 252 rflags |= OCSP_NOCERTS; 253 else if (!strcmp(*args, "-resp_key_id")) 254 rflags |= OCSP_RESPID_KEY; 255 else if (!strcmp(*args, "-no_certs")) 256 sign_flags |= OCSP_NOCERTS; 257 else if (!strcmp(*args, "-no_signature_verify")) 258 verify_flags |= OCSP_NOSIGS; 259 else if (!strcmp(*args, "-no_cert_verify")) 260 verify_flags |= OCSP_NOVERIFY; 261 else if (!strcmp(*args, "-no_chain")) 262 verify_flags |= OCSP_NOCHAIN; 263 else if (!strcmp(*args, "-no_cert_checks")) 264 verify_flags |= OCSP_NOCHECKS; 265 else if (!strcmp(*args, "-no_explicit")) 266 verify_flags |= OCSP_NOEXPLICIT; 267 else if (!strcmp(*args, "-trust_other")) 268 verify_flags |= OCSP_TRUSTOTHER; 269 else if (!strcmp(*args, "-no_intern")) 270 verify_flags |= OCSP_NOINTERN; 271 else if (!strcmp(*args, "-badsig")) 272 badsig = 1; 273 else if (!strcmp(*args, "-text")) { 274 req_text = 1; 275 resp_text = 1; 276 } else if (!strcmp(*args, "-req_text")) 277 req_text = 1; 278 else if (!strcmp(*args, "-resp_text")) 279 resp_text = 1; 280 else if (!strcmp(*args, "-reqin")) { 281 if (args[1]) { 282 args++; 283 reqin = *args; 284 } else 285 badarg = 1; 286 } else if (!strcmp(*args, "-respin")) { 287 if (args[1]) { 288 args++; 289 respin = *args; 290 } else 291 badarg = 1; 292 } else if (!strcmp(*args, "-signer")) { 293 if (args[1]) { 294 args++; 295 signfile = *args; 296 } else 297 badarg = 1; 298 } else if (!strcmp(*args, "-VAfile")) { 299 if (args[1]) { 300 args++; 301 verify_certfile = *args; 302 verify_flags |= OCSP_TRUSTOTHER; 303 } else 304 badarg = 1; 305 } else if (!strcmp(*args, "-sign_other")) { 306 if (args[1]) { 307 args++; 308 sign_certfile = *args; 309 } else 310 badarg = 1; 311 } else if (!strcmp(*args, "-verify_other")) { 312 if (args[1]) { 313 args++; 314 verify_certfile = *args; 315 } else 316 badarg = 1; 317 } else if (!strcmp(*args, "-CAfile")) { 318 if (args[1]) { 319 args++; 320 CAfile = *args; 321 } else 322 badarg = 1; 323 } else if (!strcmp(*args, "-CApath")) { 324 if (args[1]) { 325 args++; 326 CApath = *args; 327 } else 328 badarg = 1; 329 } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) { 330 if (badarg) 331 goto end; 332 continue; 333 } else if (!strcmp(*args, "-validity_period")) { 334 if (args[1]) { 335 args++; 336 nsec = atol(*args); 337 if (nsec < 0) { 338 BIO_printf(bio_err, 339 "Illegal validity period %s\n", *args); 340 badarg = 1; 341 } 342 } else 343 badarg = 1; 344 } else if (!strcmp(*args, "-status_age")) { 345 if (args[1]) { 346 args++; 347 maxage = atol(*args); 348 if (maxage < 0) { 349 BIO_printf(bio_err, "Illegal validity age %s\n", *args); 350 badarg = 1; 351 } 352 } else 353 badarg = 1; 354 } else if (!strcmp(*args, "-signkey")) { 355 if (args[1]) { 356 args++; 357 keyfile = *args; 358 } else 359 badarg = 1; 360 } else if (!strcmp(*args, "-reqout")) { 361 if (args[1]) { 362 args++; 363 reqout = *args; 364 } else 365 badarg = 1; 366 } else if (!strcmp(*args, "-respout")) { 367 if (args[1]) { 368 args++; 369 respout = *args; 370 } else 371 badarg = 1; 372 } else if (!strcmp(*args, "-path")) { 373 if (args[1]) { 374 args++; 375 path = *args; 376 } else 377 badarg = 1; 378 } else if (!strcmp(*args, "-issuer")) { 379 if (args[1]) { 380 args++; 381 X509_free(issuer); 382 issuer = load_cert(bio_err, *args, FORMAT_PEM, 383 NULL, e, "issuer certificate"); 384 if (!issuer) 385 goto end; 386 } else 387 badarg = 1; 388 } else if (!strcmp(*args, "-cert")) { 389 if (args[1]) { 390 args++; 391 X509_free(cert); 392 cert = load_cert(bio_err, *args, FORMAT_PEM, 393 NULL, e, "certificate"); 394 if (!cert) 395 goto end; 396 if (!cert_id_md) 397 cert_id_md = EVP_sha1(); 398 if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) 399 goto end; 400 if (!sk_OPENSSL_STRING_push(reqnames, *args)) 401 goto end; 402 } else 403 badarg = 1; 404 } else if (!strcmp(*args, "-serial")) { 405 if (args[1]) { 406 args++; 407 if (!cert_id_md) 408 cert_id_md = EVP_sha1(); 409 if (!add_ocsp_serial(&req, *args, cert_id_md, issuer, ids)) 410 goto end; 411 if (!sk_OPENSSL_STRING_push(reqnames, *args)) 412 goto end; 413 } else 414 badarg = 1; 415 } else if (!strcmp(*args, "-index")) { 416 if (args[1]) { 417 args++; 418 ridx_filename = *args; 419 } else 420 badarg = 1; 421 } else if (!strcmp(*args, "-CA")) { 422 if (args[1]) { 423 args++; 424 rca_filename = *args; 425 } else 426 badarg = 1; 427 } else if (!strcmp(*args, "-nmin")) { 428 if (args[1]) { 429 args++; 430 nmin = atol(*args); 431 if (nmin < 0) { 432 BIO_printf(bio_err, "Illegal update period %s\n", *args); 433 badarg = 1; 434 } 435 } 436 if (ndays == -1) 437 ndays = 0; 438 else 439 badarg = 1; 440 } else if (!strcmp(*args, "-nrequest")) { 441 if (args[1]) { 442 args++; 443 accept_count = atol(*args); 444 if (accept_count < 0) { 445 BIO_printf(bio_err, "Illegal accept count %s\n", *args); 446 badarg = 1; 447 } 448 } else 449 badarg = 1; 450 } else if (!strcmp(*args, "-ndays")) { 451 if (args[1]) { 452 args++; 453 ndays = atol(*args); 454 if (ndays < 0) { 455 BIO_printf(bio_err, "Illegal update period %s\n", *args); 456 badarg = 1; 457 } 458 } else 459 badarg = 1; 460 } else if (!strcmp(*args, "-rsigner")) { 461 if (args[1]) { 462 args++; 463 rsignfile = *args; 464 } else 465 badarg = 1; 466 } else if (!strcmp(*args, "-rkey")) { 467 if (args[1]) { 468 args++; 469 rkeyfile = *args; 470 } else 471 badarg = 1; 472 } else if (!strcmp(*args, "-rother")) { 473 if (args[1]) { 474 args++; 475 rcertfile = *args; 476 } else 477 badarg = 1; 478 } else if (!strcmp(*args, "-rmd")) { 479 if (args[1]) { 480 args++; 481 rsign_md = EVP_get_digestbyname(*args); 482 if (!rsign_md) 483 badarg = 1; 484 } else 485 badarg = 1; 486 } else if ((cert_id_md = EVP_get_digestbyname((*args) + 1)) == NULL) { 487 badarg = 1; 488 } 489 args++; 490 } 491 492 /* Have we anything to do? */ 493 if (!req && !reqin && !respin && !(port && ridx_filename)) 494 badarg = 1; 495 496 if (badarg) { 497 BIO_printf(bio_err, "OCSP utility\n"); 498 BIO_printf(bio_err, "Usage ocsp [options]\n"); 499 BIO_printf(bio_err, "where options are\n"); 500 BIO_printf(bio_err, "-out file output filename\n"); 501 BIO_printf(bio_err, "-issuer file issuer certificate\n"); 502 BIO_printf(bio_err, "-cert file certificate to check\n"); 503 BIO_printf(bio_err, "-serial n serial number to check\n"); 504 BIO_printf(bio_err, 505 "-signer file certificate to sign OCSP request with\n"); 506 BIO_printf(bio_err, 507 "-signkey file private key to sign OCSP request with\n"); 508 BIO_printf(bio_err, 509 "-sign_other file additional certificates to include in signed request\n"); 510 BIO_printf(bio_err, 511 "-no_certs don't include any certificates in signed request\n"); 512 BIO_printf(bio_err, 513 "-req_text print text form of request\n"); 514 BIO_printf(bio_err, 515 "-resp_text print text form of response\n"); 516 BIO_printf(bio_err, 517 "-text print text form of request and response\n"); 518 BIO_printf(bio_err, 519 "-reqout file write DER encoded OCSP request to \"file\"\n"); 520 BIO_printf(bio_err, 521 "-respout file write DER encoded OCSP reponse to \"file\"\n"); 522 BIO_printf(bio_err, 523 "-reqin file read DER encoded OCSP request from \"file\"\n"); 524 BIO_printf(bio_err, 525 "-respin file read DER encoded OCSP reponse from \"file\"\n"); 526 BIO_printf(bio_err, 527 "-nonce add OCSP nonce to request\n"); 528 BIO_printf(bio_err, 529 "-no_nonce don't add OCSP nonce to request\n"); 530 BIO_printf(bio_err, "-url URL OCSP responder URL\n"); 531 BIO_printf(bio_err, 532 "-host host:n send OCSP request to host on port n\n"); 533 BIO_printf(bio_err, 534 "-path path to use in OCSP request\n"); 535 BIO_printf(bio_err, 536 "-CApath dir trusted certificates directory\n"); 537 BIO_printf(bio_err, 538 "-CAfile file trusted certificates file\n"); 539 BIO_printf(bio_err, 540 "-no_alt_chains only ever use the first certificate chain found\n"); 541 BIO_printf(bio_err, 542 "-VAfile file validator certificates file\n"); 543 BIO_printf(bio_err, 544 "-validity_period n maximum validity discrepancy in seconds\n"); 545 BIO_printf(bio_err, 546 "-status_age n maximum status age in seconds\n"); 547 BIO_printf(bio_err, 548 "-noverify don't verify response at all\n"); 549 BIO_printf(bio_err, 550 "-verify_other file additional certificates to search for signer\n"); 551 BIO_printf(bio_err, 552 "-trust_other don't verify additional certificates\n"); 553 BIO_printf(bio_err, 554 "-no_intern don't search certificates contained in response for signer\n"); 555 BIO_printf(bio_err, 556 "-no_signature_verify don't check signature on response\n"); 557 BIO_printf(bio_err, 558 "-no_cert_verify don't check signing certificate\n"); 559 BIO_printf(bio_err, 560 "-no_chain don't chain verify response\n"); 561 BIO_printf(bio_err, 562 "-no_cert_checks don't do additional checks on signing certificate\n"); 563 BIO_printf(bio_err, 564 "-port num port to run responder on\n"); 565 BIO_printf(bio_err, 566 "-index file certificate status index file\n"); 567 BIO_printf(bio_err, "-CA file CA certificate\n"); 568 BIO_printf(bio_err, 569 "-rsigner file responder certificate to sign responses with\n"); 570 BIO_printf(bio_err, 571 "-rkey file responder key to sign responses with\n"); 572 BIO_printf(bio_err, 573 "-rother file other certificates to include in response\n"); 574 BIO_printf(bio_err, 575 "-resp_no_certs don't include any certificates in response\n"); 576 BIO_printf(bio_err, 577 "-nmin n number of minutes before next update\n"); 578 BIO_printf(bio_err, 579 "-ndays n number of days before next update\n"); 580 BIO_printf(bio_err, 581 "-resp_key_id identify reponse by signing certificate key ID\n"); 582 BIO_printf(bio_err, 583 "-nrequest n number of requests to accept (default unlimited)\n"); 584 BIO_printf(bio_err, 585 "-<dgst alg> use specified digest in the request\n"); 586 BIO_printf(bio_err, 587 "-timeout n timeout connection to OCSP responder after n seconds\n"); 588 goto end; 589 } 590 591 if (outfile) 592 out = BIO_new_file(outfile, "w"); 593 else 594 out = BIO_new_fp(stdout, BIO_NOCLOSE); 595 596 if (!out) { 597 BIO_printf(bio_err, "Error opening output file\n"); 598 goto end; 599 } 600 601 if (!req && (add_nonce != 2)) 602 add_nonce = 0; 603 604 if (!req && reqin) { 605 if (!strcmp(reqin, "-")) 606 derbio = BIO_new_fp(stdin, BIO_NOCLOSE); 607 else 608 derbio = BIO_new_file(reqin, "rb"); 609 if (!derbio) { 610 BIO_printf(bio_err, "Error Opening OCSP request file\n"); 611 goto end; 612 } 613 req = d2i_OCSP_REQUEST_bio(derbio, NULL); 614 BIO_free(derbio); 615 if (!req) { 616 BIO_printf(bio_err, "Error reading OCSP request\n"); 617 goto end; 618 } 619 } 620 621 if (!req && port) { 622 acbio = init_responder(port); 623 if (!acbio) 624 goto end; 625 } 626 627 if (rsignfile && !rdb) { 628 if (!rkeyfile) 629 rkeyfile = rsignfile; 630 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, 631 NULL, e, "responder certificate"); 632 if (!rsigner) { 633 BIO_printf(bio_err, "Error loading responder certificate\n"); 634 goto end; 635 } 636 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, 637 NULL, e, "CA certificate"); 638 if (rcertfile) { 639 rother = load_certs(bio_err, rcertfile, FORMAT_PEM, 640 NULL, e, "responder other certificates"); 641 if (!rother) 642 goto end; 643 } 644 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, 645 "responder private key"); 646 if (!rkey) 647 goto end; 648 } 649 if (acbio) 650 BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); 651 652 redo_accept: 653 654 if (acbio) { 655 if (!do_responder(&req, &cbio, acbio, port)) 656 goto end; 657 if (!req) { 658 resp = 659 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, 660 NULL); 661 send_ocsp_response(cbio, resp); 662 goto done_resp; 663 } 664 } 665 666 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) { 667 BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); 668 goto end; 669 } 670 671 if (req && add_nonce) 672 OCSP_request_add1_nonce(req, NULL, -1); 673 674 if (signfile) { 675 if (!keyfile) 676 keyfile = signfile; 677 signer = load_cert(bio_err, signfile, FORMAT_PEM, 678 NULL, e, "signer certificate"); 679 if (!signer) { 680 BIO_printf(bio_err, "Error loading signer certificate\n"); 681 goto end; 682 } 683 if (sign_certfile) { 684 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, 685 NULL, e, "signer certificates"); 686 if (!sign_other) 687 goto end; 688 } 689 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, 690 "signer private key"); 691 if (!key) 692 goto end; 693 694 if (!OCSP_request_sign 695 (req, signer, key, NULL, sign_other, sign_flags)) { 696 BIO_printf(bio_err, "Error signing OCSP request\n"); 697 goto end; 698 } 699 } 700 701 if (req_text && req) 702 OCSP_REQUEST_print(out, req, 0); 703 704 if (reqout) { 705 if (!strcmp(reqout, "-")) 706 derbio = BIO_new_fp(stdout, BIO_NOCLOSE); 707 else 708 derbio = BIO_new_file(reqout, "wb"); 709 if (!derbio) { 710 BIO_printf(bio_err, "Error opening file %s\n", reqout); 711 goto end; 712 } 713 i2d_OCSP_REQUEST_bio(derbio, req); 714 BIO_free(derbio); 715 } 716 717 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) { 718 BIO_printf(bio_err, 719 "Need a responder certificate, key and CA for this operation!\n"); 720 goto end; 721 } 722 723 if (ridx_filename && !rdb) { 724 rdb = load_index(ridx_filename, NULL); 725 if (!rdb) 726 goto end; 727 if (!index_index(rdb)) 728 goto end; 729 } 730 731 if (rdb) { 732 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, 733 rsign_md, rother, rflags, nmin, ndays, badsig); 734 if (cbio) 735 send_ocsp_response(cbio, resp); 736 } else if (host) { 737 # ifndef OPENSSL_NO_SOCK 738 resp = process_responder(bio_err, req, host, path, 739 port, use_ssl, headers, req_timeout); 740 if (!resp) 741 goto end; 742 # else 743 BIO_printf(bio_err, 744 "Error creating connect BIO - sockets not supported.\n"); 745 goto end; 746 # endif 747 } else if (respin) { 748 if (!strcmp(respin, "-")) 749 derbio = BIO_new_fp(stdin, BIO_NOCLOSE); 750 else 751 derbio = BIO_new_file(respin, "rb"); 752 if (!derbio) { 753 BIO_printf(bio_err, "Error Opening OCSP response file\n"); 754 goto end; 755 } 756 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 757 BIO_free(derbio); 758 if (!resp) { 759 BIO_printf(bio_err, "Error reading OCSP response\n"); 760 goto end; 761 } 762 763 } else { 764 ret = 0; 765 goto end; 766 } 767 768 done_resp: 769 770 if (respout) { 771 if (!strcmp(respout, "-")) 772 derbio = BIO_new_fp(stdout, BIO_NOCLOSE); 773 else 774 derbio = BIO_new_file(respout, "wb"); 775 if (!derbio) { 776 BIO_printf(bio_err, "Error opening file %s\n", respout); 777 goto end; 778 } 779 i2d_OCSP_RESPONSE_bio(derbio, resp); 780 BIO_free(derbio); 781 } 782 783 i = OCSP_response_status(resp); 784 785 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) { 786 BIO_printf(out, "Responder Error: %s (%d)\n", 787 OCSP_response_status_str(i), i); 788 if (ignore_err) 789 goto redo_accept; 790 ret = 0; 791 goto end; 792 } 793 794 if (resp_text) 795 OCSP_RESPONSE_print(out, resp, 0); 796 797 /* If running as responder don't verify our own response */ 798 if (cbio) { 799 if (accept_count > 0) 800 accept_count--; 801 /* Redo if more connections needed */ 802 if (accept_count) { 803 BIO_free_all(cbio); 804 cbio = NULL; 805 OCSP_REQUEST_free(req); 806 req = NULL; 807 OCSP_RESPONSE_free(resp); 808 resp = NULL; 809 goto redo_accept; 810 } 811 ret = 0; 812 goto end; 813 } else if (ridx_filename) { 814 ret = 0; 815 goto end; 816 } 817 818 if (!store) 819 store = setup_verify(bio_err, CAfile, CApath); 820 if (!store) 821 goto end; 822 if (vpm) 823 X509_STORE_set1_param(store, vpm); 824 if (verify_certfile) { 825 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, 826 NULL, e, "validator certificate"); 827 if (!verify_other) 828 goto end; 829 } 830 831 bs = OCSP_response_get1_basic(resp); 832 833 if (!bs) { 834 BIO_printf(bio_err, "Error parsing response\n"); 835 goto end; 836 } 837 838 ret = 0; 839 840 if (!noverify) { 841 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) { 842 if (i == -1) 843 BIO_printf(bio_err, "WARNING: no nonce in response\n"); 844 else { 845 BIO_printf(bio_err, "Nonce Verify error\n"); 846 ret = 1; 847 goto end; 848 } 849 } 850 851 i = OCSP_basic_verify(bs, verify_other, store, verify_flags); 852 if (i <= 0) { 853 BIO_printf(bio_err, "Response Verify Failure\n"); 854 ERR_print_errors(bio_err); 855 ret = 1; 856 } else 857 BIO_printf(bio_err, "Response verify OK\n"); 858 859 } 860 861 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) 862 ret = 1; 863 864 end: 865 ERR_print_errors(bio_err); 866 X509_free(signer); 867 X509_STORE_free(store); 868 if (vpm) 869 X509_VERIFY_PARAM_free(vpm); 870 EVP_PKEY_free(key); 871 EVP_PKEY_free(rkey); 872 X509_free(issuer); 873 X509_free(cert); 874 X509_free(rsigner); 875 X509_free(rca_cert); 876 free_index(rdb); 877 BIO_free_all(cbio); 878 BIO_free_all(acbio); 879 BIO_free(out); 880 OCSP_REQUEST_free(req); 881 OCSP_RESPONSE_free(resp); 882 OCSP_BASICRESP_free(bs); 883 sk_OPENSSL_STRING_free(reqnames); 884 sk_OCSP_CERTID_free(ids); 885 sk_X509_pop_free(sign_other, X509_free); 886 sk_X509_pop_free(verify_other, X509_free); 887 sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); 888 889 if (thost) 890 OPENSSL_free(thost); 891 if (tport) 892 OPENSSL_free(tport); 893 if (tpath) 894 OPENSSL_free(tpath); 895 896 OPENSSL_EXIT(ret); 897 } 898 899 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, 900 const EVP_MD *cert_id_md, X509 *issuer, 901 STACK_OF(OCSP_CERTID) *ids) 902 { 903 OCSP_CERTID *id; 904 if (!issuer) { 905 BIO_printf(bio_err, "No issuer certificate specified\n"); 906 return 0; 907 } 908 if (!*req) 909 *req = OCSP_REQUEST_new(); 910 if (!*req) 911 goto err; 912 id = OCSP_cert_to_id(cert_id_md, cert, issuer); 913 if (!id || !sk_OCSP_CERTID_push(ids, id)) 914 goto err; 915 if (!OCSP_request_add0_id(*req, id)) 916 goto err; 917 return 1; 918 919 err: 920 BIO_printf(bio_err, "Error Creating OCSP request\n"); 921 return 0; 922 } 923 924 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, 925 const EVP_MD *cert_id_md, X509 *issuer, 926 STACK_OF(OCSP_CERTID) *ids) 927 { 928 OCSP_CERTID *id; 929 X509_NAME *iname; 930 ASN1_BIT_STRING *ikey; 931 ASN1_INTEGER *sno; 932 if (!issuer) { 933 BIO_printf(bio_err, "No issuer certificate specified\n"); 934 return 0; 935 } 936 if (!*req) 937 *req = OCSP_REQUEST_new(); 938 if (!*req) 939 goto err; 940 iname = X509_get_subject_name(issuer); 941 ikey = X509_get0_pubkey_bitstr(issuer); 942 sno = s2i_ASN1_INTEGER(NULL, serial); 943 if (!sno) { 944 BIO_printf(bio_err, "Error converting serial number %s\n", serial); 945 return 0; 946 } 947 id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); 948 ASN1_INTEGER_free(sno); 949 if (!id || !sk_OCSP_CERTID_push(ids, id)) 950 goto err; 951 if (!OCSP_request_add0_id(*req, id)) 952 goto err; 953 return 1; 954 955 err: 956 BIO_printf(bio_err, "Error Creating OCSP request\n"); 957 return 0; 958 } 959 960 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 961 STACK_OF(OPENSSL_STRING) *names, 962 STACK_OF(OCSP_CERTID) *ids, long nsec, 963 long maxage) 964 { 965 OCSP_CERTID *id; 966 char *name; 967 int i; 968 969 int status, reason; 970 971 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; 972 973 if (!bs || !req || !sk_OPENSSL_STRING_num(names) 974 || !sk_OCSP_CERTID_num(ids)) 975 return 1; 976 977 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) { 978 id = sk_OCSP_CERTID_value(ids, i); 979 name = sk_OPENSSL_STRING_value(names, i); 980 BIO_printf(out, "%s: ", name); 981 982 if (!OCSP_resp_find_status(bs, id, &status, &reason, 983 &rev, &thisupd, &nextupd)) { 984 BIO_puts(out, "ERROR: No Status found.\n"); 985 continue; 986 } 987 988 /* 989 * Check validity: if invalid write to output BIO so we know which 990 * response this refers to. 991 */ 992 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) { 993 BIO_puts(out, "WARNING: Status times invalid.\n"); 994 ERR_print_errors(out); 995 } 996 BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); 997 998 BIO_puts(out, "\tThis Update: "); 999 ASN1_GENERALIZEDTIME_print(out, thisupd); 1000 BIO_puts(out, "\n"); 1001 1002 if (nextupd) { 1003 BIO_puts(out, "\tNext Update: "); 1004 ASN1_GENERALIZEDTIME_print(out, nextupd); 1005 BIO_puts(out, "\n"); 1006 } 1007 1008 if (status != V_OCSP_CERTSTATUS_REVOKED) 1009 continue; 1010 1011 if (reason != -1) 1012 BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason)); 1013 1014 BIO_puts(out, "\tRevocation Time: "); 1015 ASN1_GENERALIZEDTIME_print(out, rev); 1016 BIO_puts(out, "\n"); 1017 } 1018 1019 return 1; 1020 } 1021 1022 static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, 1023 CA_DB *db, X509 *ca, X509 *rcert, 1024 EVP_PKEY *rkey, const EVP_MD *rmd, 1025 STACK_OF(X509) *rother, unsigned long flags, 1026 int nmin, int ndays, int badsig) 1027 { 1028 ASN1_TIME *thisupd = NULL, *nextupd = NULL; 1029 OCSP_CERTID *cid, *ca_id = NULL; 1030 OCSP_BASICRESP *bs = NULL; 1031 int i, id_count, ret = 1; 1032 1033 id_count = OCSP_request_onereq_count(req); 1034 1035 if (id_count <= 0) { 1036 *resp = 1037 OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 1038 goto end; 1039 } 1040 1041 bs = OCSP_BASICRESP_new(); 1042 thisupd = X509_gmtime_adj(NULL, 0); 1043 if (ndays != -1) 1044 nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL); 1045 1046 /* Examine each certificate id in the request */ 1047 for (i = 0; i < id_count; i++) { 1048 OCSP_ONEREQ *one; 1049 ASN1_INTEGER *serial; 1050 char **inf; 1051 ASN1_OBJECT *cert_id_md_oid; 1052 const EVP_MD *cert_id_md; 1053 one = OCSP_request_onereq_get0(req, i); 1054 cid = OCSP_onereq_get0_id(one); 1055 1056 OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid); 1057 1058 cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); 1059 if (!cert_id_md) { 1060 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, 1061 NULL); 1062 goto end; 1063 } 1064 if (ca_id) 1065 OCSP_CERTID_free(ca_id); 1066 ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca); 1067 1068 /* Is this request about our CA? */ 1069 if (OCSP_id_issuer_cmp(ca_id, cid)) { 1070 OCSP_basic_add1_status(bs, cid, 1071 V_OCSP_CERTSTATUS_UNKNOWN, 1072 0, NULL, thisupd, nextupd); 1073 continue; 1074 } 1075 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); 1076 inf = lookup_serial(db, serial); 1077 if (!inf) 1078 OCSP_basic_add1_status(bs, cid, 1079 V_OCSP_CERTSTATUS_UNKNOWN, 1080 0, NULL, thisupd, nextupd); 1081 else if (inf[DB_type][0] == DB_TYPE_VAL) 1082 OCSP_basic_add1_status(bs, cid, 1083 V_OCSP_CERTSTATUS_GOOD, 1084 0, NULL, thisupd, nextupd); 1085 else if (inf[DB_type][0] == DB_TYPE_REV) { 1086 ASN1_OBJECT *inst = NULL; 1087 ASN1_TIME *revtm = NULL; 1088 ASN1_GENERALIZEDTIME *invtm = NULL; 1089 OCSP_SINGLERESP *single; 1090 int reason = -1; 1091 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); 1092 single = OCSP_basic_add1_status(bs, cid, 1093 V_OCSP_CERTSTATUS_REVOKED, 1094 reason, revtm, thisupd, nextupd); 1095 if (invtm) 1096 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, 1097 invtm, 0, 0); 1098 else if (inst) 1099 OCSP_SINGLERESP_add1_ext_i2d(single, 1100 NID_hold_instruction_code, inst, 1101 0, 0); 1102 ASN1_OBJECT_free(inst); 1103 ASN1_TIME_free(revtm); 1104 ASN1_GENERALIZEDTIME_free(invtm); 1105 } 1106 } 1107 1108 OCSP_copy_nonce(bs, req); 1109 1110 OCSP_basic_sign(bs, rcert, rkey, rmd, rother, flags); 1111 1112 if (badsig) 1113 bs->signature->data[bs->signature->length - 1] ^= 0x1; 1114 1115 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); 1116 1117 end: 1118 ASN1_TIME_free(thisupd); 1119 ASN1_TIME_free(nextupd); 1120 OCSP_CERTID_free(ca_id); 1121 OCSP_BASICRESP_free(bs); 1122 return ret; 1123 1124 } 1125 1126 static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) 1127 { 1128 int i; 1129 BIGNUM *bn = NULL; 1130 char *itmp, *row[DB_NUMBER], **rrow; 1131 for (i = 0; i < DB_NUMBER; i++) 1132 row[i] = NULL; 1133 bn = ASN1_INTEGER_to_BN(ser, NULL); 1134 OPENSSL_assert(bn); /* FIXME: should report an error at this 1135 * point and abort */ 1136 if (BN_is_zero(bn)) 1137 itmp = BUF_strdup("00"); 1138 else 1139 itmp = BN_bn2hex(bn); 1140 row[DB_serial] = itmp; 1141 BN_free(bn); 1142 rrow = TXT_DB_get_by_index(db->db, DB_serial, row); 1143 OPENSSL_free(itmp); 1144 return rrow; 1145 } 1146 1147 /* Quick and dirty OCSP server: read in and parse input request */ 1148 1149 static BIO *init_responder(const char *port) 1150 { 1151 BIO *acbio = NULL, *bufbio = NULL; 1152 bufbio = BIO_new(BIO_f_buffer()); 1153 if (!bufbio) 1154 goto err; 1155 # ifndef OPENSSL_NO_SOCK 1156 acbio = BIO_new_accept(port); 1157 # else 1158 BIO_printf(bio_err, 1159 "Error setting up accept BIO - sockets not supported.\n"); 1160 # endif 1161 if (!acbio) 1162 goto err; 1163 BIO_set_accept_bios(acbio, bufbio); 1164 bufbio = NULL; 1165 1166 if (BIO_do_accept(acbio) <= 0) { 1167 BIO_printf(bio_err, "Error setting up accept BIO\n"); 1168 ERR_print_errors(bio_err); 1169 goto err; 1170 } 1171 1172 return acbio; 1173 1174 err: 1175 BIO_free_all(acbio); 1176 BIO_free(bufbio); 1177 return NULL; 1178 } 1179 1180 static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, 1181 const char *port) 1182 { 1183 int have_post = 0, len; 1184 OCSP_REQUEST *req = NULL; 1185 char inbuf[1024]; 1186 BIO *cbio = NULL; 1187 1188 if (BIO_do_accept(acbio) <= 0) { 1189 BIO_printf(bio_err, "Error accepting connection\n"); 1190 ERR_print_errors(bio_err); 1191 return 0; 1192 } 1193 1194 cbio = BIO_pop(acbio); 1195 *pcbio = cbio; 1196 1197 for (;;) { 1198 len = BIO_gets(cbio, inbuf, sizeof inbuf); 1199 if (len <= 0) 1200 return 1; 1201 /* Look for "POST" signalling start of query */ 1202 if (!have_post) { 1203 if (strncmp(inbuf, "POST", 4)) { 1204 BIO_printf(bio_err, "Invalid request\n"); 1205 return 1; 1206 } 1207 have_post = 1; 1208 } 1209 /* Look for end of headers */ 1210 if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) 1211 break; 1212 } 1213 1214 /* Try to read OCSP request */ 1215 1216 req = d2i_OCSP_REQUEST_bio(cbio, NULL); 1217 1218 if (!req) { 1219 BIO_printf(bio_err, "Error parsing OCSP request\n"); 1220 ERR_print_errors(bio_err); 1221 } 1222 1223 *preq = req; 1224 1225 return 1; 1226 1227 } 1228 1229 static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) 1230 { 1231 char http_resp[] = 1232 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" 1233 "Content-Length: %d\r\n\r\n"; 1234 if (!cbio) 1235 return 0; 1236 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); 1237 i2d_OCSP_RESPONSE_bio(cbio, resp); 1238 (void)BIO_flush(cbio); 1239 return 1; 1240 } 1241 1242 static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, const char *path, 1243 const STACK_OF(CONF_VALUE) *headers, 1244 OCSP_REQUEST *req, int req_timeout) 1245 { 1246 int fd; 1247 int rv; 1248 int i; 1249 OCSP_REQ_CTX *ctx = NULL; 1250 OCSP_RESPONSE *rsp = NULL; 1251 fd_set confds; 1252 struct timeval tv; 1253 1254 if (req_timeout != -1) 1255 BIO_set_nbio(cbio, 1); 1256 1257 rv = BIO_do_connect(cbio); 1258 1259 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) { 1260 BIO_puts(err, "Error connecting BIO\n"); 1261 return NULL; 1262 } 1263 1264 if (BIO_get_fd(cbio, &fd) < 0) { 1265 BIO_puts(bio_err, "Can't get connection fd\n"); 1266 goto err; 1267 } 1268 1269 if (req_timeout != -1 && rv <= 0) { 1270 FD_ZERO(&confds); 1271 openssl_fdset(fd, &confds); 1272 tv.tv_usec = 0; 1273 tv.tv_sec = req_timeout; 1274 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1275 if (rv == 0) { 1276 BIO_puts(err, "Timeout on connect\n"); 1277 return NULL; 1278 } 1279 } 1280 1281 ctx = OCSP_sendreq_new(cbio, path, NULL, -1); 1282 if (!ctx) 1283 return NULL; 1284 1285 for (i = 0; i < sk_CONF_VALUE_num(headers); i++) { 1286 CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); 1287 if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) 1288 goto err; 1289 } 1290 1291 if (!OCSP_REQ_CTX_set1_req(ctx, req)) 1292 goto err; 1293 1294 for (;;) { 1295 rv = OCSP_sendreq_nbio(&rsp, ctx); 1296 if (rv != -1) 1297 break; 1298 if (req_timeout == -1) 1299 continue; 1300 FD_ZERO(&confds); 1301 openssl_fdset(fd, &confds); 1302 tv.tv_usec = 0; 1303 tv.tv_sec = req_timeout; 1304 if (BIO_should_read(cbio)) 1305 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); 1306 else if (BIO_should_write(cbio)) 1307 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1308 else { 1309 BIO_puts(err, "Unexpected retry condition\n"); 1310 goto err; 1311 } 1312 if (rv == 0) { 1313 BIO_puts(err, "Timeout on request\n"); 1314 break; 1315 } 1316 if (rv == -1) { 1317 BIO_puts(err, "Select error\n"); 1318 break; 1319 } 1320 1321 } 1322 err: 1323 if (ctx) 1324 OCSP_REQ_CTX_free(ctx); 1325 1326 return rsp; 1327 } 1328 1329 OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, 1330 const char *host, const char *path, 1331 const char *port, int use_ssl, 1332 const STACK_OF(CONF_VALUE) *headers, 1333 int req_timeout) 1334 { 1335 BIO *cbio = NULL; 1336 SSL_CTX *ctx = NULL; 1337 OCSP_RESPONSE *resp = NULL; 1338 cbio = BIO_new_connect(host); 1339 if (!cbio) { 1340 BIO_printf(err, "Error creating connect BIO\n"); 1341 goto end; 1342 } 1343 if (port) 1344 BIO_set_conn_port(cbio, port); 1345 if (use_ssl == 1) { 1346 BIO *sbio; 1347 ctx = SSL_CTX_new(SSLv23_client_method()); 1348 if (ctx == NULL) { 1349 BIO_printf(err, "Error creating SSL context.\n"); 1350 goto end; 1351 } 1352 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); 1353 sbio = BIO_new_ssl(ctx, 1); 1354 cbio = BIO_push(sbio, cbio); 1355 } 1356 resp = query_responder(err, cbio, path, headers, req, req_timeout); 1357 if (!resp) 1358 BIO_printf(bio_err, "Error querying OCSP responder\n"); 1359 end: 1360 if (cbio) 1361 BIO_free_all(cbio); 1362 if (ctx) 1363 SSL_CTX_free(ctx); 1364 return resp; 1365 } 1366 1367 #endif 1368