ocsp.c revision 279265
1146011Snyan/* ocsp.c */ 243561Skato/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 343561Skato * project 2000. 443561Skato */ 543561Skato/* ==================================================================== 643561Skato * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 743561Skato * 843561Skato * Redistribution and use in source and binary forms, with or without 943561Skato * modification, are permitted provided that the following conditions 1043561Skato * are met: 1143561Skato * 1243561Skato * 1. Redistributions of source code must retain the above copyright 1343561Skato * notice, this list of conditions and the following disclaimer. 1443561Skato * 1543561Skato * 2. Redistributions in binary form must reproduce the above copyright 1643561Skato * notice, this list of conditions and the following disclaimer in 1743561Skato * the documentation and/or other materials provided with the 1843561Skato * distribution. 1943561Skato * 2043561Skato * 3. All advertising materials mentioning features or use of this 2143561Skato * software must display the following acknowledgment: 2243561Skato * "This product includes software developed by the OpenSSL Project 2343561Skato * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 2443561Skato * 2543561Skato * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26119880Sobrien * endorse or promote products derived from this software without 27119880Sobrien * prior written permission. For written permission, please contact 28119880Sobrien * licensing@OpenSSL.org. 2943561Skato * 3043561Skato * 5. Products derived from this software may not be called "OpenSSL" 3143561Skato * nor may "OpenSSL" appear in their names without prior written 32120118Sbde * permission of the OpenSSL Project. 3343561Skato * 3443561Skato * 6. Redistributions of any form whatsoever must retain the following 3543561Skato * acknowledgment: 3643561Skato * "This product includes software developed by the OpenSSL Project 3743561Skato * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38150073Snyan * 3943561Skato * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 4043561Skato * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4143561Skato * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 4243561Skato * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 4343561Skato * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 4443561Skato * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 4543561Skato * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 4643561Skato * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4743561Skato * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 4843561Skato * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 4943561Skato * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 5043561Skato * OF THE POSSIBILITY OF SUCH DAMAGE. 51150073Snyan * ==================================================================== 5243561Skato * 53150073Snyan * This product includes cryptographic software written by Eric Young 54150073Snyan * (eay@cryptsoft.com). This product includes software written by Tim 55150073Snyan * Hudson (tjh@cryptsoft.com). 56150073Snyan * 5743561Skato */ 5843561Skato#ifndef OPENSSL_NO_OCSP 59150073Snyan#define USE_SOCKETS 6043561Skato#include <stdio.h> 6143561Skato#include <stdlib.h> 6243561Skato#include <string.h> 6343561Skato#include "apps.h" /* needs to be included before the openssl headers! */ 6443561Skato#include <openssl/e_os2.h> 6543561Skato#include <openssl/ssl.h> 6643561Skato#include <openssl/err.h> 6743561Skato 6843561Skato/* Maximum leeway in validity period: default 5 minutes */ 6943561Skato#define MAX_VALIDITY_PERIOD (5 * 60) 7043561Skato 7143561Skatostatic int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, 7243561Skato STACK_OF(OCSP_CERTID) *ids); 7343561Skatostatic int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, 7443561Skato STACK_OF(OCSP_CERTID) *ids); 75150073Snyanstatic int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 76150073Snyan STACK *names, STACK_OF(OCSP_CERTID) *ids, 77150073Snyan long nsec, long maxage); 78150073Snyan 7943561Skatostatic int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, 8043561Skato X509 *ca, X509 *rcert, EVP_PKEY *rkey, 81150073Snyan STACK_OF(X509) *rother, unsigned long flags, 82150073Snyan int nmin, int ndays); 83150073Snyan 84150073Snyanstatic char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); 85150073Snyanstatic BIO *init_responder(char *port); 86150073Snyanstatic int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port); 87150073Snyanstatic int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); 88150073Snyanstatic OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 89150073Snyan OCSP_REQUEST *req, int req_timeout); 90150073Snyan 91150073Snyan#undef PROG 92150073Snyan#define PROG ocsp_main 93150073Snyan 94150073Snyanint MAIN(int, char **); 95150073Snyan 96150073Snyanint MAIN(int argc, char **argv) 97150073Snyan { 98150073Snyan ENGINE *e = NULL; 99150073Snyan char **args; 100150073Snyan char *host = NULL, *port = NULL, *path = "/"; 101150073Snyan char *thost = NULL, *tport = NULL, *tpath = NULL; 102150073Snyan char *reqin = NULL, *respin = NULL; 103150073Snyan char *reqout = NULL, *respout = NULL; 104150073Snyan char *signfile = NULL, *keyfile = NULL; 10543561Skato char *rsignfile = NULL, *rkeyfile = NULL; 10643561Skato char *outfile = NULL; 10743561Skato int add_nonce = 1, noverify = 0, use_ssl = -1; 10843561Skato OCSP_REQUEST *req = NULL; 10943561Skato OCSP_RESPONSE *resp = NULL; 11043561Skato OCSP_BASICRESP *bs = NULL; 11143561Skato X509 *issuer = NULL, *cert = NULL; 11243561Skato X509 *signer = NULL, *rsigner = NULL; 11343561Skato EVP_PKEY *key = NULL, *rkey = NULL; 114150073Snyan BIO *acbio = NULL, *cbio = NULL; 11543561Skato BIO *derbio = NULL; 11643561Skato BIO *out = NULL; 11743561Skato int req_timeout = -1; 11843561Skato int req_text = 0, resp_text = 0; 11943561Skato long nsec = MAX_VALIDITY_PERIOD, maxage = -1; 12043561Skato char *CAfile = NULL, *CApath = NULL; 12143561Skato X509_STORE *store = NULL; 12243561Skato STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; 12343561Skato char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; 12443561Skato unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; 12543561Skato int ret = 1; 12668358Snyan int accept_count = -1; 12743561Skato int badarg = 0; 12843561Skato int i; 12943561Skato int ignore_err = 0; 13043561Skato STACK *reqnames = NULL; 13143561Skato STACK_OF(OCSP_CERTID) *ids = NULL; 13243561Skato 13343561Skato X509 *rca_cert = NULL; 13443561Skato char *ridx_filename = NULL; 13543561Skato char *rca_filename = NULL; 13643561Skato CA_DB *rdb = NULL; 13743561Skato int nmin = 0, ndays = -1; 13843561Skato 13943561Skato if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 14043561Skato 14143561Skato if (!load_config(bio_err, NULL)) 142150073Snyan goto end; 143150073Snyan SSL_load_error_strings(); 144150073Snyan OpenSSL_add_ssl_algorithms(); 145150073Snyan args = argv + 1; 146150073Snyan reqnames = sk_new_null(); 147150073Snyan ids = sk_OCSP_CERTID_new_null(); 148150073Snyan while (!badarg && *args && *args[0] == '-') 149150073Snyan { 150150073Snyan if (!strcmp(*args, "-out")) 151150073Snyan { 152150073Snyan if (args[1]) 153150073Snyan { 154150073Snyan args++; 155150073Snyan outfile = *args; 156150073Snyan } 157150073Snyan else badarg = 1; 158150073Snyan } 159150073Snyan else if (!strcmp(*args, "-timeout")) 160150073Snyan { 161150073Snyan if (args[1]) 162150073Snyan { 163150073Snyan args++; 164150073Snyan req_timeout = atol(*args); 165150073Snyan if (req_timeout < 0) 166150073Snyan { 167150073Snyan BIO_printf(bio_err, 168150073Snyan "Illegal timeout value %s\n", 169150073Snyan *args); 170150073Snyan badarg = 1; 171150073Snyan } 172150073Snyan } 173150073Snyan else badarg = 1; 174150073Snyan } 175150073Snyan else if (!strcmp(*args, "-url")) 176150073Snyan { 177150073Snyan if (thost) 178150073Snyan OPENSSL_free(thost); 179150073Snyan if (tport) 180150073Snyan OPENSSL_free(tport); 181150073Snyan if (tpath) 182150073Snyan OPENSSL_free(tpath); 183150073Snyan if (args[1]) 184150073Snyan { 185150073Snyan args++; 186150073Snyan if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl)) 187150073Snyan { 188150073Snyan BIO_printf(bio_err, "Error parsing URL\n"); 189150073Snyan badarg = 1; 190150073Snyan } 191150073Snyan thost = host; 192150073Snyan tport = port; 193150073Snyan tpath = path; 194150073Snyan } 195150073Snyan else badarg = 1; 196150073Snyan } 197150073Snyan else if (!strcmp(*args, "-host")) 198150073Snyan { 199150073Snyan if (args[1]) 200150073Snyan { 201150073Snyan args++; 202150073Snyan host = *args; 203150073Snyan } 204150073Snyan else badarg = 1; 205150073Snyan } 206150073Snyan else if (!strcmp(*args, "-port")) 207150073Snyan { 208150073Snyan if (args[1]) 209150073Snyan { 210150073Snyan args++; 211150073Snyan port = *args; 212150073Snyan } 213150073Snyan else badarg = 1; 214 } 215 else if (!strcmp(*args, "-ignore_err")) 216 ignore_err = 1; 217 else if (!strcmp(*args, "-noverify")) 218 noverify = 1; 219 else if (!strcmp(*args, "-nonce")) 220 add_nonce = 2; 221 else if (!strcmp(*args, "-no_nonce")) 222 add_nonce = 0; 223 else if (!strcmp(*args, "-resp_no_certs")) 224 rflags |= OCSP_NOCERTS; 225 else if (!strcmp(*args, "-resp_key_id")) 226 rflags |= OCSP_RESPID_KEY; 227 else if (!strcmp(*args, "-no_certs")) 228 sign_flags |= OCSP_NOCERTS; 229 else if (!strcmp(*args, "-no_signature_verify")) 230 verify_flags |= OCSP_NOSIGS; 231 else if (!strcmp(*args, "-no_cert_verify")) 232 verify_flags |= OCSP_NOVERIFY; 233 else if (!strcmp(*args, "-no_chain")) 234 verify_flags |= OCSP_NOCHAIN; 235 else if (!strcmp(*args, "-no_cert_checks")) 236 verify_flags |= OCSP_NOCHECKS; 237 else if (!strcmp(*args, "-no_explicit")) 238 verify_flags |= OCSP_NOEXPLICIT; 239 else if (!strcmp(*args, "-trust_other")) 240 verify_flags |= OCSP_TRUSTOTHER; 241 else if (!strcmp(*args, "-no_intern")) 242 verify_flags |= OCSP_NOINTERN; 243 else if (!strcmp(*args, "-text")) 244 { 245 req_text = 1; 246 resp_text = 1; 247 } 248 else if (!strcmp(*args, "-req_text")) 249 req_text = 1; 250 else if (!strcmp(*args, "-resp_text")) 251 resp_text = 1; 252 else if (!strcmp(*args, "-reqin")) 253 { 254 if (args[1]) 255 { 256 args++; 257 reqin = *args; 258 } 259 else badarg = 1; 260 } 261 else if (!strcmp(*args, "-respin")) 262 { 263 if (args[1]) 264 { 265 args++; 266 respin = *args; 267 } 268 else badarg = 1; 269 } 270 else if (!strcmp(*args, "-signer")) 271 { 272 if (args[1]) 273 { 274 args++; 275 signfile = *args; 276 } 277 else badarg = 1; 278 } 279 else if (!strcmp (*args, "-VAfile")) 280 { 281 if (args[1]) 282 { 283 args++; 284 verify_certfile = *args; 285 verify_flags |= OCSP_TRUSTOTHER; 286 } 287 else badarg = 1; 288 } 289 else if (!strcmp(*args, "-sign_other")) 290 { 291 if (args[1]) 292 { 293 args++; 294 sign_certfile = *args; 295 } 296 else badarg = 1; 297 } 298 else if (!strcmp(*args, "-verify_other")) 299 { 300 if (args[1]) 301 { 302 args++; 303 verify_certfile = *args; 304 } 305 else badarg = 1; 306 } 307 else if (!strcmp (*args, "-CAfile")) 308 { 309 if (args[1]) 310 { 311 args++; 312 CAfile = *args; 313 } 314 else badarg = 1; 315 } 316 else if (!strcmp (*args, "-CApath")) 317 { 318 if (args[1]) 319 { 320 args++; 321 CApath = *args; 322 } 323 else badarg = 1; 324 } 325 else if (!strcmp (*args, "-validity_period")) 326 { 327 if (args[1]) 328 { 329 args++; 330 nsec = atol(*args); 331 if (nsec < 0) 332 { 333 BIO_printf(bio_err, 334 "Illegal validity period %s\n", 335 *args); 336 badarg = 1; 337 } 338 } 339 else badarg = 1; 340 } 341 else if (!strcmp (*args, "-status_age")) 342 { 343 if (args[1]) 344 { 345 args++; 346 maxage = atol(*args); 347 if (maxage < 0) 348 { 349 BIO_printf(bio_err, 350 "Illegal validity age %s\n", 351 *args); 352 badarg = 1; 353 } 354 } 355 else badarg = 1; 356 } 357 else if (!strcmp(*args, "-signkey")) 358 { 359 if (args[1]) 360 { 361 args++; 362 keyfile = *args; 363 } 364 else badarg = 1; 365 } 366 else if (!strcmp(*args, "-reqout")) 367 { 368 if (args[1]) 369 { 370 args++; 371 reqout = *args; 372 } 373 else badarg = 1; 374 } 375 else if (!strcmp(*args, "-respout")) 376 { 377 if (args[1]) 378 { 379 args++; 380 respout = *args; 381 } 382 else badarg = 1; 383 } 384 else if (!strcmp(*args, "-path")) 385 { 386 if (args[1]) 387 { 388 args++; 389 path = *args; 390 } 391 else badarg = 1; 392 } 393 else if (!strcmp(*args, "-issuer")) 394 { 395 if (args[1]) 396 { 397 args++; 398 X509_free(issuer); 399 issuer = load_cert(bio_err, *args, FORMAT_PEM, 400 NULL, e, "issuer certificate"); 401 if(!issuer) goto end; 402 } 403 else badarg = 1; 404 } 405 else if (!strcmp (*args, "-cert")) 406 { 407 if (args[1]) 408 { 409 args++; 410 X509_free(cert); 411 cert = load_cert(bio_err, *args, FORMAT_PEM, 412 NULL, e, "certificate"); 413 if(!cert) goto end; 414 if(!add_ocsp_cert(&req, cert, issuer, ids)) 415 goto end; 416 if(!sk_push(reqnames, *args)) 417 goto end; 418 } 419 else badarg = 1; 420 } 421 else if (!strcmp(*args, "-serial")) 422 { 423 if (args[1]) 424 { 425 args++; 426 if(!add_ocsp_serial(&req, *args, issuer, ids)) 427 goto end; 428 if(!sk_push(reqnames, *args)) 429 goto end; 430 } 431 else badarg = 1; 432 } 433 else if (!strcmp(*args, "-index")) 434 { 435 if (args[1]) 436 { 437 args++; 438 ridx_filename = *args; 439 } 440 else badarg = 1; 441 } 442 else if (!strcmp(*args, "-CA")) 443 { 444 if (args[1]) 445 { 446 args++; 447 rca_filename = *args; 448 } 449 else badarg = 1; 450 } 451 else if (!strcmp (*args, "-nmin")) 452 { 453 if (args[1]) 454 { 455 args++; 456 nmin = atol(*args); 457 if (nmin < 0) 458 { 459 BIO_printf(bio_err, 460 "Illegal update period %s\n", 461 *args); 462 badarg = 1; 463 } 464 } 465 if (ndays == -1) 466 ndays = 0; 467 else badarg = 1; 468 } 469 else if (!strcmp (*args, "-nrequest")) 470 { 471 if (args[1]) 472 { 473 args++; 474 accept_count = atol(*args); 475 if (accept_count < 0) 476 { 477 BIO_printf(bio_err, 478 "Illegal accept count %s\n", 479 *args); 480 badarg = 1; 481 } 482 } 483 else badarg = 1; 484 } 485 else if (!strcmp (*args, "-ndays")) 486 { 487 if (args[1]) 488 { 489 args++; 490 ndays = atol(*args); 491 if (ndays < 0) 492 { 493 BIO_printf(bio_err, 494 "Illegal update period %s\n", 495 *args); 496 badarg = 1; 497 } 498 } 499 else badarg = 1; 500 } 501 else if (!strcmp(*args, "-rsigner")) 502 { 503 if (args[1]) 504 { 505 args++; 506 rsignfile = *args; 507 } 508 else badarg = 1; 509 } 510 else if (!strcmp(*args, "-rkey")) 511 { 512 if (args[1]) 513 { 514 args++; 515 rkeyfile = *args; 516 } 517 else badarg = 1; 518 } 519 else if (!strcmp(*args, "-rother")) 520 { 521 if (args[1]) 522 { 523 args++; 524 rcertfile = *args; 525 } 526 else badarg = 1; 527 } 528 else badarg = 1; 529 args++; 530 } 531 532 /* Have we anything to do? */ 533 if (!req && !reqin && !respin && !(port && ridx_filename)) badarg = 1; 534 535 if (badarg) 536 { 537 BIO_printf (bio_err, "OCSP utility\n"); 538 BIO_printf (bio_err, "Usage ocsp [options]\n"); 539 BIO_printf (bio_err, "where options are\n"); 540 BIO_printf (bio_err, "-out file output filename\n"); 541 BIO_printf (bio_err, "-issuer file issuer certificate\n"); 542 BIO_printf (bio_err, "-cert file certificate to check\n"); 543 BIO_printf (bio_err, "-serial n serial number to check\n"); 544 BIO_printf (bio_err, "-signer file certificate to sign OCSP request with\n"); 545 BIO_printf (bio_err, "-signkey file private key to sign OCSP request with\n"); 546 BIO_printf (bio_err, "-sign_other file additional certificates to include in signed request\n"); 547 BIO_printf (bio_err, "-no_certs don't include any certificates in signed request\n"); 548 BIO_printf (bio_err, "-req_text print text form of request\n"); 549 BIO_printf (bio_err, "-resp_text print text form of response\n"); 550 BIO_printf (bio_err, "-text print text form of request and response\n"); 551 BIO_printf (bio_err, "-reqout file write DER encoded OCSP request to \"file\"\n"); 552 BIO_printf (bio_err, "-respout file write DER encoded OCSP reponse to \"file\"\n"); 553 BIO_printf (bio_err, "-reqin file read DER encoded OCSP request from \"file\"\n"); 554 BIO_printf (bio_err, "-respin file read DER encoded OCSP reponse from \"file\"\n"); 555 BIO_printf (bio_err, "-nonce add OCSP nonce to request\n"); 556 BIO_printf (bio_err, "-no_nonce don't add OCSP nonce to request\n"); 557 BIO_printf (bio_err, "-url URL OCSP responder URL\n"); 558 BIO_printf (bio_err, "-host host:n send OCSP request to host on port n\n"); 559 BIO_printf (bio_err, "-path path to use in OCSP request\n"); 560 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); 561 BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); 562 BIO_printf (bio_err, "-VAfile file validator certificates file\n"); 563 BIO_printf (bio_err, "-validity_period n maximum validity discrepancy in seconds\n"); 564 BIO_printf (bio_err, "-status_age n maximum status age in seconds\n"); 565 BIO_printf (bio_err, "-noverify don't verify response at all\n"); 566 BIO_printf (bio_err, "-verify_other file additional certificates to search for signer\n"); 567 BIO_printf (bio_err, "-trust_other don't verify additional certificates\n"); 568 BIO_printf (bio_err, "-no_intern don't search certificates contained in response for signer\n"); 569 BIO_printf (bio_err, "-no_signature_verify don't check signature on response\n"); 570 BIO_printf (bio_err, "-no_cert_verify don't check signing certificate\n"); 571 BIO_printf (bio_err, "-no_chain don't chain verify response\n"); 572 BIO_printf (bio_err, "-no_cert_checks don't do additional checks on signing certificate\n"); 573 BIO_printf (bio_err, "-port num port to run responder on\n"); 574 BIO_printf (bio_err, "-index file certificate status index file\n"); 575 BIO_printf (bio_err, "-CA file CA certificate\n"); 576 BIO_printf (bio_err, "-rsigner file responder certificate to sign responses with\n"); 577 BIO_printf (bio_err, "-rkey file responder key to sign responses with\n"); 578 BIO_printf (bio_err, "-rother file other certificates to include in response\n"); 579 BIO_printf (bio_err, "-resp_no_certs don't include any certificates in response\n"); 580 BIO_printf (bio_err, "-nmin n number of minutes before next update\n"); 581 BIO_printf (bio_err, "-ndays n number of days before next update\n"); 582 BIO_printf (bio_err, "-resp_key_id identify reponse by signing certificate key ID\n"); 583 BIO_printf (bio_err, "-nrequest n number of requests to accept (default unlimited)\n"); 584 goto end; 585 } 586 587 if(outfile) out = BIO_new_file(outfile, "w"); 588 else out = BIO_new_fp(stdout, BIO_NOCLOSE); 589 590 if(!out) 591 { 592 BIO_printf(bio_err, "Error opening output file\n"); 593 goto end; 594 } 595 596 if (!req && (add_nonce != 2)) add_nonce = 0; 597 598 if (!req && reqin) 599 { 600 derbio = BIO_new_file(reqin, "rb"); 601 if (!derbio) 602 { 603 BIO_printf(bio_err, "Error Opening OCSP request file\n"); 604 goto end; 605 } 606 req = d2i_OCSP_REQUEST_bio(derbio, NULL); 607 BIO_free(derbio); 608 if(!req) 609 { 610 BIO_printf(bio_err, "Error reading OCSP request\n"); 611 goto end; 612 } 613 } 614 615 if (!req && port) 616 { 617 acbio = init_responder(port); 618 if (!acbio) 619 goto end; 620 } 621 622 if (rsignfile && !rdb) 623 { 624 if (!rkeyfile) rkeyfile = rsignfile; 625 rsigner = load_cert(bio_err, rsignfile, FORMAT_PEM, 626 NULL, e, "responder certificate"); 627 if (!rsigner) 628 { 629 BIO_printf(bio_err, "Error loading responder certificate\n"); 630 goto end; 631 } 632 rca_cert = load_cert(bio_err, rca_filename, FORMAT_PEM, 633 NULL, e, "CA certificate"); 634 if (rcertfile) 635 { 636 rother = load_certs(bio_err, rcertfile, FORMAT_PEM, 637 NULL, e, "responder other certificates"); 638 if (!rother) goto end; 639 } 640 rkey = load_key(bio_err, rkeyfile, FORMAT_PEM, 0, NULL, NULL, 641 "responder private key"); 642 if (!rkey) 643 goto end; 644 } 645 if(acbio) 646 BIO_printf(bio_err, "Waiting for OCSP client connections...\n"); 647 648 redo_accept: 649 650 if (acbio) 651 { 652 if (!do_responder(&req, &cbio, acbio, port)) 653 goto end; 654 if (!req) 655 { 656 resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 657 send_ocsp_response(cbio, resp); 658 goto done_resp; 659 } 660 } 661 662 if (!req && (signfile || reqout || host || add_nonce || ridx_filename)) 663 { 664 BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); 665 goto end; 666 } 667 668 if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1); 669 670 if (signfile) 671 { 672 if (!keyfile) keyfile = signfile; 673 signer = load_cert(bio_err, signfile, FORMAT_PEM, 674 NULL, e, "signer certificate"); 675 if (!signer) 676 { 677 BIO_printf(bio_err, "Error loading signer certificate\n"); 678 goto end; 679 } 680 if (sign_certfile) 681 { 682 sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM, 683 NULL, e, "signer certificates"); 684 if (!sign_other) goto end; 685 } 686 key = load_key(bio_err, keyfile, FORMAT_PEM, 0, NULL, NULL, 687 "signer private key"); 688 if (!key) 689 goto end; 690 if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags)) 691 { 692 BIO_printf(bio_err, "Error signing OCSP request\n"); 693 goto end; 694 } 695 } 696 697 if (req_text && req) OCSP_REQUEST_print(out, req, 0); 698 699 if (reqout) 700 { 701 derbio = BIO_new_file(reqout, "wb"); 702 if(!derbio) 703 { 704 BIO_printf(bio_err, "Error opening file %s\n", reqout); 705 goto end; 706 } 707 i2d_OCSP_REQUEST_bio(derbio, req); 708 BIO_free(derbio); 709 } 710 711 if (ridx_filename && (!rkey || !rsigner || !rca_cert)) 712 { 713 BIO_printf(bio_err, "Need a responder certificate, key and CA for this operation!\n"); 714 goto end; 715 } 716 717 if (ridx_filename && !rdb) 718 { 719 rdb = load_index(ridx_filename, NULL); 720 if (!rdb) goto end; 721 if (!index_index(rdb)) goto end; 722 } 723 724 if (rdb) 725 { 726 i = make_ocsp_response(&resp, req, rdb, rca_cert, rsigner, rkey, rother, rflags, nmin, ndays); 727 if (cbio) 728 send_ocsp_response(cbio, resp); 729 } 730 else if (host) 731 { 732#ifndef OPENSSL_NO_SOCK 733 resp = process_responder(bio_err, req, host, path, 734 port, use_ssl, req_timeout); 735 if (!resp) 736 goto end; 737#else 738 BIO_printf(bio_err, "Error creating connect BIO - sockets not supported.\n"); 739 goto end; 740#endif 741 } 742 else if (respin) 743 { 744 derbio = BIO_new_file(respin, "rb"); 745 if (!derbio) 746 { 747 BIO_printf(bio_err, "Error Opening OCSP response file\n"); 748 goto end; 749 } 750 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); 751 BIO_free(derbio); 752 if(!resp) 753 { 754 BIO_printf(bio_err, "Error reading OCSP response\n"); 755 goto end; 756 } 757 758 } 759 else 760 { 761 ret = 0; 762 goto end; 763 } 764 765 done_resp: 766 767 if (respout) 768 { 769 derbio = BIO_new_file(respout, "wb"); 770 if(!derbio) 771 { 772 BIO_printf(bio_err, "Error opening file %s\n", respout); 773 goto end; 774 } 775 i2d_OCSP_RESPONSE_bio(derbio, resp); 776 BIO_free(derbio); 777 } 778 779 i = OCSP_response_status(resp); 780 781 if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) 782 { 783 BIO_printf(out, "Responder Error: %s (%d)\n", 784 OCSP_response_status_str(i), i); 785 if (ignore_err) 786 goto redo_accept; 787 ret = 0; 788 goto end; 789 } 790 791 if (resp_text) OCSP_RESPONSE_print(out, resp, 0); 792 793 /* If running as responder don't verify our own response */ 794 if (cbio) 795 { 796 if (accept_count > 0) 797 accept_count--; 798 /* Redo if more connections needed */ 799 if (accept_count) 800 { 801 BIO_free_all(cbio); 802 cbio = NULL; 803 OCSP_REQUEST_free(req); 804 req = NULL; 805 OCSP_RESPONSE_free(resp); 806 resp = NULL; 807 goto redo_accept; 808 } 809 goto end; 810 } 811 812 if (!store) 813 store = setup_verify(bio_err, CAfile, CApath); 814 if (!store) 815 goto end; 816 if (verify_certfile) 817 { 818 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM, 819 NULL, e, "validator certificate"); 820 if (!verify_other) goto end; 821 } 822 823 bs = OCSP_response_get1_basic(resp); 824 825 if (!bs) 826 { 827 BIO_printf(bio_err, "Error parsing response\n"); 828 goto end; 829 } 830 831 if (!noverify) 832 { 833 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0)) 834 { 835 if (i == -1) 836 BIO_printf(bio_err, "WARNING: no nonce in response\n"); 837 else 838 { 839 BIO_printf(bio_err, "Nonce Verify error\n"); 840 goto end; 841 } 842 } 843 844 i = OCSP_basic_verify(bs, verify_other, store, verify_flags); 845 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0); 846 847 if(i <= 0) 848 { 849 BIO_printf(bio_err, "Response Verify Failure\n"); 850 ERR_print_errors(bio_err); 851 } 852 else 853 BIO_printf(bio_err, "Response verify OK\n"); 854 855 } 856 857 if (!print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage)) 858 goto end; 859 860 ret = 0; 861 862end: 863 ERR_print_errors(bio_err); 864 X509_free(signer); 865 X509_STORE_free(store); 866 EVP_PKEY_free(key); 867 EVP_PKEY_free(rkey); 868 X509_free(issuer); 869 X509_free(cert); 870 X509_free(rsigner); 871 X509_free(rca_cert); 872 free_index(rdb); 873 BIO_free_all(cbio); 874 BIO_free_all(acbio); 875 BIO_free(out); 876 OCSP_REQUEST_free(req); 877 OCSP_RESPONSE_free(resp); 878 OCSP_BASICRESP_free(bs); 879 sk_free(reqnames); 880 sk_OCSP_CERTID_free(ids); 881 sk_X509_pop_free(sign_other, X509_free); 882 sk_X509_pop_free(verify_other, X509_free); 883 884 if (thost) 885 OPENSSL_free(thost); 886 if (tport) 887 OPENSSL_free(tport); 888 if (tpath) 889 OPENSSL_free(tpath); 890 891 OPENSSL_EXIT(ret); 892} 893 894static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer, 895 STACK_OF(OCSP_CERTID) *ids) 896 { 897 OCSP_CERTID *id; 898 if(!issuer) 899 { 900 BIO_printf(bio_err, "No issuer certificate specified\n"); 901 return 0; 902 } 903 if(!*req) *req = OCSP_REQUEST_new(); 904 if(!*req) goto err; 905 id = OCSP_cert_to_id(NULL, cert, issuer); 906 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 907 if(!OCSP_request_add0_id(*req, id)) goto err; 908 return 1; 909 910 err: 911 BIO_printf(bio_err, "Error Creating OCSP request\n"); 912 return 0; 913 } 914 915static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer, 916 STACK_OF(OCSP_CERTID) *ids) 917 { 918 OCSP_CERTID *id; 919 X509_NAME *iname; 920 ASN1_BIT_STRING *ikey; 921 ASN1_INTEGER *sno; 922 if(!issuer) 923 { 924 BIO_printf(bio_err, "No issuer certificate specified\n"); 925 return 0; 926 } 927 if(!*req) *req = OCSP_REQUEST_new(); 928 if(!*req) goto err; 929 iname = X509_get_subject_name(issuer); 930 ikey = X509_get0_pubkey_bitstr(issuer); 931 sno = s2i_ASN1_INTEGER(NULL, serial); 932 if(!sno) 933 { 934 BIO_printf(bio_err, "Error converting serial number %s\n", serial); 935 return 0; 936 } 937 id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno); 938 ASN1_INTEGER_free(sno); 939 if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err; 940 if(!OCSP_request_add0_id(*req, id)) goto err; 941 return 1; 942 943 err: 944 BIO_printf(bio_err, "Error Creating OCSP request\n"); 945 return 0; 946 } 947 948static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, 949 STACK *names, STACK_OF(OCSP_CERTID) *ids, 950 long nsec, long maxage) 951 { 952 OCSP_CERTID *id; 953 char *name; 954 int i; 955 956 int status, reason; 957 958 ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; 959 960 if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids)) 961 return 1; 962 963 for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) 964 { 965 id = sk_OCSP_CERTID_value(ids, i); 966 name = sk_value(names, i); 967 BIO_printf(out, "%s: ", name); 968 969 if(!OCSP_resp_find_status(bs, id, &status, &reason, 970 &rev, &thisupd, &nextupd)) 971 { 972 BIO_puts(out, "ERROR: No Status found.\n"); 973 continue; 974 } 975 976 /* Check validity: if invalid write to output BIO so we 977 * know which response this refers to. 978 */ 979 if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) 980 { 981 BIO_puts(out, "WARNING: Status times invalid.\n"); 982 ERR_print_errors(out); 983 } 984 BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); 985 986 BIO_puts(out, "\tThis Update: "); 987 ASN1_GENERALIZEDTIME_print(out, thisupd); 988 BIO_puts(out, "\n"); 989 990 if(nextupd) 991 { 992 BIO_puts(out, "\tNext Update: "); 993 ASN1_GENERALIZEDTIME_print(out, nextupd); 994 BIO_puts(out, "\n"); 995 } 996 997 if (status != V_OCSP_CERTSTATUS_REVOKED) 998 continue; 999 1000 if (reason != -1) 1001 BIO_printf(out, "\tReason: %s\n", 1002 OCSP_crl_reason_str(reason)); 1003 1004 BIO_puts(out, "\tRevocation Time: "); 1005 ASN1_GENERALIZEDTIME_print(out, rev); 1006 BIO_puts(out, "\n"); 1007 } 1008 1009 return 1; 1010 } 1011 1012 1013static int make_ocsp_response(OCSP_RESPONSE **resp, OCSP_REQUEST *req, CA_DB *db, 1014 X509 *ca, X509 *rcert, EVP_PKEY *rkey, 1015 STACK_OF(X509) *rother, unsigned long flags, 1016 int nmin, int ndays) 1017 { 1018 ASN1_TIME *thisupd = NULL, *nextupd = NULL; 1019 OCSP_CERTID *cid, *ca_id = NULL; 1020 OCSP_BASICRESP *bs = NULL; 1021 int i, id_count, ret = 1; 1022 1023 1024 id_count = OCSP_request_onereq_count(req); 1025 1026 if (id_count <= 0) 1027 { 1028 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); 1029 goto end; 1030 } 1031 1032 ca_id = OCSP_cert_to_id(EVP_sha1(), NULL, ca); 1033 1034 bs = OCSP_BASICRESP_new(); 1035 thisupd = X509_gmtime_adj(NULL, 0); 1036 if (ndays != -1) 1037 nextupd = X509_gmtime_adj(NULL, nmin * 60 + ndays * 3600 * 24 ); 1038 1039 /* Examine each certificate id in the request */ 1040 for (i = 0; i < id_count; i++) 1041 { 1042 OCSP_ONEREQ *one; 1043 ASN1_INTEGER *serial; 1044 char **inf; 1045 one = OCSP_request_onereq_get0(req, i); 1046 cid = OCSP_onereq_get0_id(one); 1047 /* Is this request about our CA? */ 1048 if (OCSP_id_issuer_cmp(ca_id, cid)) 1049 { 1050 OCSP_basic_add1_status(bs, cid, 1051 V_OCSP_CERTSTATUS_UNKNOWN, 1052 0, NULL, 1053 thisupd, nextupd); 1054 continue; 1055 } 1056 OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); 1057 inf = lookup_serial(db, serial); 1058 if (!inf) 1059 OCSP_basic_add1_status(bs, cid, 1060 V_OCSP_CERTSTATUS_UNKNOWN, 1061 0, NULL, 1062 thisupd, nextupd); 1063 else if (inf[DB_type][0] == DB_TYPE_VAL) 1064 OCSP_basic_add1_status(bs, cid, 1065 V_OCSP_CERTSTATUS_GOOD, 1066 0, NULL, 1067 thisupd, nextupd); 1068 else if (inf[DB_type][0] == DB_TYPE_REV) 1069 { 1070 ASN1_OBJECT *inst = NULL; 1071 ASN1_TIME *revtm = NULL; 1072 ASN1_GENERALIZEDTIME *invtm = NULL; 1073 OCSP_SINGLERESP *single; 1074 int reason = -1; 1075 unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); 1076 single = OCSP_basic_add1_status(bs, cid, 1077 V_OCSP_CERTSTATUS_REVOKED, 1078 reason, revtm, 1079 thisupd, nextupd); 1080 if (invtm) 1081 OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, invtm, 0, 0); 1082 else if (inst) 1083 OCSP_SINGLERESP_add1_ext_i2d(single, NID_hold_instruction_code, inst, 0, 0); 1084 ASN1_OBJECT_free(inst); 1085 ASN1_TIME_free(revtm); 1086 ASN1_GENERALIZEDTIME_free(invtm); 1087 } 1088 } 1089 1090 OCSP_copy_nonce(bs, req); 1091 1092 OCSP_basic_sign(bs, rcert, rkey, EVP_sha1(), rother, flags); 1093 1094 *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); 1095 1096 end: 1097 ASN1_TIME_free(thisupd); 1098 ASN1_TIME_free(nextupd); 1099 OCSP_CERTID_free(ca_id); 1100 OCSP_BASICRESP_free(bs); 1101 return ret; 1102 1103 } 1104 1105static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) 1106 { 1107 int i; 1108 BIGNUM *bn = NULL; 1109 char *itmp, *row[DB_NUMBER],**rrow; 1110 for (i = 0; i < DB_NUMBER; i++) row[i] = NULL; 1111 bn = ASN1_INTEGER_to_BN(ser,NULL); 1112 OPENSSL_assert(bn); /* FIXME: should report an error at this point and abort */ 1113 if (BN_is_zero(bn)) 1114 itmp = BUF_strdup("00"); 1115 else 1116 itmp = BN_bn2hex(bn); 1117 row[DB_serial] = itmp; 1118 BN_free(bn); 1119 rrow=TXT_DB_get_by_index(db->db,DB_serial,row); 1120 OPENSSL_free(itmp); 1121 return rrow; 1122 } 1123 1124/* Quick and dirty OCSP server: read in and parse input request */ 1125 1126static BIO *init_responder(char *port) 1127 { 1128 BIO *acbio = NULL, *bufbio = NULL; 1129 bufbio = BIO_new(BIO_f_buffer()); 1130 if (!bufbio) 1131 goto err; 1132#ifndef OPENSSL_NO_SOCK 1133 acbio = BIO_new_accept(port); 1134#else 1135 BIO_printf(bio_err, "Error setting up accept BIO - sockets not supported.\n"); 1136#endif 1137 if (!acbio) 1138 goto err; 1139 BIO_set_accept_bios(acbio, bufbio); 1140 bufbio = NULL; 1141 1142 if (BIO_do_accept(acbio) <= 0) 1143 { 1144 BIO_printf(bio_err, "Error setting up accept BIO\n"); 1145 ERR_print_errors(bio_err); 1146 goto err; 1147 } 1148 1149 return acbio; 1150 1151 err: 1152 BIO_free_all(acbio); 1153 BIO_free(bufbio); 1154 return NULL; 1155 } 1156 1157static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, char *port) 1158 { 1159 int have_post = 0, len; 1160 OCSP_REQUEST *req = NULL; 1161 char inbuf[1024]; 1162 BIO *cbio = NULL; 1163 1164 if (BIO_do_accept(acbio) <= 0) 1165 { 1166 BIO_printf(bio_err, "Error accepting connection\n"); 1167 ERR_print_errors(bio_err); 1168 return 0; 1169 } 1170 1171 cbio = BIO_pop(acbio); 1172 *pcbio = cbio; 1173 1174 for(;;) 1175 { 1176 len = BIO_gets(cbio, inbuf, sizeof inbuf); 1177 if (len <= 0) 1178 return 1; 1179 /* Look for "POST" signalling start of query */ 1180 if (!have_post) 1181 { 1182 if(strncmp(inbuf, "POST", 4)) 1183 { 1184 BIO_printf(bio_err, "Invalid request\n"); 1185 return 1; 1186 } 1187 have_post = 1; 1188 } 1189 /* Look for end of headers */ 1190 if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) 1191 break; 1192 } 1193 1194 /* Try to read OCSP request */ 1195 1196 req = d2i_OCSP_REQUEST_bio(cbio, NULL); 1197 1198 if (!req) 1199 { 1200 BIO_printf(bio_err, "Error parsing OCSP request\n"); 1201 ERR_print_errors(bio_err); 1202 } 1203 1204 *preq = req; 1205 1206 return 1; 1207 1208 } 1209 1210static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) 1211 { 1212 char http_resp[] = 1213 "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" 1214 "Content-Length: %d\r\n\r\n"; 1215 if (!cbio) 1216 return 0; 1217 BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); 1218 i2d_OCSP_RESPONSE_bio(cbio, resp); 1219 (void)BIO_flush(cbio); 1220 return 1; 1221 } 1222 1223static OCSP_RESPONSE *query_responder(BIO *err, BIO *cbio, char *path, 1224 OCSP_REQUEST *req, int req_timeout) 1225 { 1226 int fd; 1227 int rv; 1228 OCSP_REQ_CTX *ctx = NULL; 1229 OCSP_RESPONSE *rsp = NULL; 1230 fd_set confds; 1231 struct timeval tv; 1232 1233 if (req_timeout != -1) 1234 BIO_set_nbio(cbio, 1); 1235 1236 rv = BIO_do_connect(cbio); 1237 1238 if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) 1239 { 1240 BIO_puts(err, "Error connecting BIO\n"); 1241 return NULL; 1242 } 1243 1244 if (req_timeout == -1) 1245 return OCSP_sendreq_bio(cbio, path, req); 1246 1247 if (BIO_get_fd(cbio, &fd) <= 0) 1248 { 1249 BIO_puts(err, "Can't get connection fd\n"); 1250 goto err; 1251 } 1252 1253 if (rv <= 0) 1254 { 1255 FD_ZERO(&confds); 1256 openssl_fdset(fd, &confds); 1257 tv.tv_usec = 0; 1258 tv.tv_sec = req_timeout; 1259 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1260 if (rv == 0) 1261 { 1262 BIO_puts(err, "Timeout on connect\n"); 1263 return NULL; 1264 } 1265 } 1266 1267 1268 ctx = OCSP_sendreq_new(cbio, path, req, -1); 1269 if (!ctx) 1270 return NULL; 1271 1272 for (;;) 1273 { 1274 rv = OCSP_sendreq_nbio(&rsp, ctx); 1275 if (rv != -1) 1276 break; 1277 FD_ZERO(&confds); 1278 openssl_fdset(fd, &confds); 1279 tv.tv_usec = 0; 1280 tv.tv_sec = req_timeout; 1281 if (BIO_should_read(cbio)) 1282 rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); 1283 else if (BIO_should_write(cbio)) 1284 rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); 1285 else 1286 { 1287 BIO_puts(err, "Unexpected retry condition\n"); 1288 goto err; 1289 } 1290 if (rv == 0) 1291 { 1292 BIO_puts(err, "Timeout on request\n"); 1293 break; 1294 } 1295 if (rv == -1) 1296 { 1297 BIO_puts(err, "Select error\n"); 1298 break; 1299 } 1300 1301 } 1302 err: 1303 if (ctx) 1304 OCSP_REQ_CTX_free(ctx); 1305 1306 return rsp; 1307 } 1308 1309OCSP_RESPONSE *process_responder(BIO *err, OCSP_REQUEST *req, 1310 char *host, char *path, char *port, int use_ssl, 1311 int req_timeout) 1312 { 1313 BIO *cbio = NULL; 1314 SSL_CTX *ctx = NULL; 1315 OCSP_RESPONSE *resp = NULL; 1316 cbio = BIO_new_connect(host); 1317 if (!cbio) 1318 { 1319 BIO_printf(err, "Error creating connect BIO\n"); 1320 goto end; 1321 } 1322 if (port) BIO_set_conn_port(cbio, port); 1323 if (use_ssl == 1) 1324 { 1325 BIO *sbio; 1326#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 1327 ctx = SSL_CTX_new(SSLv23_client_method()); 1328#elif !defined(OPENSSL_NO_SSL3) 1329 ctx = SSL_CTX_new(SSLv3_client_method()); 1330#elif !defined(OPENSSL_NO_SSL2) 1331 ctx = SSL_CTX_new(SSLv2_client_method()); 1332#else 1333 BIO_printf(err, "SSL is disabled\n"); 1334 goto end; 1335#endif 1336 if (ctx == NULL) 1337 { 1338 BIO_printf(err, "Error creating SSL context.\n"); 1339 goto end; 1340 } 1341 SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); 1342 sbio = BIO_new_ssl(ctx, 1); 1343 cbio = BIO_push(sbio, cbio); 1344 } 1345 resp = query_responder(err, cbio, path, req, req_timeout); 1346 if (!resp) 1347 BIO_printf(bio_err, "Error querying OCSP responder\n"); 1348 end: 1349 if (ctx) 1350 SSL_CTX_free(ctx); 1351 if (cbio) 1352 BIO_free_all(cbio); 1353 return resp; 1354 } 1355 1356#endif 1357