apps/ocsp.c

   1 /* ocsp.c */
   2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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
  59 #include <stdio.h>
  60 #include <string.h>
  61 #include <openssl/pem.h>
  62 #include <openssl/ocsp.h>
  63 #include <openssl/err.h>
  64 #include <openssl/ssl.h>
  65 #include "apps.h"
  66
  67 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
  68                                 STACK_OF(OCSP_CERTID) *ids);
  69 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
  70                                 STACK_OF(OCSP_CERTID) *ids);
  71 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
  72                                 STACK *names, STACK_OF(OCSP_CERTID) *ids);
  73
  74 #undef PROG
  75 #define PROG ocsp_main
  76
  77 int MAIN(int, char **);
  78
  79 int MAIN(int argc, char **argv)
  80         {
  81         char **args;
  82         char *host = NULL, *port = NULL, *path = "/";
  83         char *reqin = NULL, *respin = NULL;
  84         char *reqout = NULL, *respout = NULL;
  85         char *signfile = NULL, *keyfile = NULL;
  86         char *outfile = NULL;
  87         int add_nonce = 1, noverify = 0, use_ssl = -1;
  88         OCSP_REQUEST *req = NULL;
  89         OCSP_RESPONSE *resp = NULL;
  90         OCSP_BASICRESP *bs = NULL;
  91         X509 *issuer = NULL, *cert = NULL;
  92         X509 *signer = NULL;
  93         EVP_PKEY *key = NULL;
  94         BIO *cbio = NULL, *derbio = NULL;
  95         BIO *out = NULL;
  96         int req_text = 0, resp_text = 0;
  97         char *CAfile = NULL, *CApath = NULL;
  98         X509_STORE *store = NULL;
  99         SSL_CTX *ctx = NULL;
 100         STACK_OF(X509) *sign_other = NULL, *verify_other = NULL;
 101         char *sign_certfile = NULL, *verify_certfile = NULL;
 102         unsigned long sign_flags = 0, verify_flags = 0;
 103         int ret = 1;
 104         int badarg = 0;
 105         int i;
 106         STACK *reqnames = NULL;
 107         STACK_OF(OCSP_CERTID) *ids = NULL;
 108         if (bio_err == NULL) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
 109         SSL_load_error_strings();
 110         args = argv + 1;
 111         reqnames = sk_new_null();
 112         ids = sk_OCSP_CERTID_new_null();
 113         while (!badarg && *args && *args[0] == '-')
 114                 {
 115                 if (!strcmp(*args, "-out"))
 116                         {
 117                         if (args[1])
 118                                 {
 119                                 args++;
 120                                 outfile = *args;
 121                                 }
 122                         else badarg = 1;
 123                         }
 124                 else if (!strcmp(*args, "-url"))
 125                         {
 126                         if (args[1])
 127                                 {
 128                                 args++;
 129                                 if (!OCSP_parse_url(*args, &host, &port, &path, &use_ssl))
 130                                         {
 131                                         BIO_printf(bio_err, "Error parsing URL\n");
 132                                         badarg = 1;
 133                                         }
 134                                 }
 135                         else badarg = 1;
 136                         }
 137                 else if (!strcmp(*args, "-host"))
 138                         {
 139                         if (args[1])
 140                                 {
 141                                 args++;
 142                                 host = *args;
 143                                 }
 144                         else badarg = 1;
 145                         }
 146                 else if (!strcmp(*args, "-noverify"))
 147                         noverify = 1;
 148                 else if (!strcmp(*args, "-nonce"))
 149                         add_nonce = 2;
 150                 else if (!strcmp(*args, "-no_nonce"))
 151                         add_nonce = 0;
 152                 else if (!strcmp(*args, "-no_certs"))
 153                         sign_flags |= OCSP_NOCERTS;
 154                 else if (!strcmp(*args, "-no_signature_verify"))
 155                         verify_flags |= OCSP_NOSIGS;
 156                 else if (!strcmp(*args, "-no_cert_verify"))
 157                         verify_flags |= OCSP_NOVERIFY;
 158                 else if (!strcmp(*args, "-no_chain"))
 159                         verify_flags |= OCSP_NOCHAIN;
 160                 else if (!strcmp(*args, "-no_cert_checks"))
 161                         verify_flags |= OCSP_NOCHECKS;
 162                 else if (!strcmp(*args, "-no_explicit"))
 163                         verify_flags |= OCSP_NOEXPLICIT;
 164                 else if (!strcmp(*args, "-trust_other"))
 165                         verify_flags |= OCSP_TRUSTOTHER;
 166                 else if (!strcmp(*args, "-no_intern"))
 167                         verify_flags |= OCSP_NOINTERN;
 168                 else if (!strcmp(*args, "-text"))
 169                         {
 170                         req_text = 1;
 171                         resp_text = 1;
 172                         }
 173                 else if (!strcmp(*args, "-req_text"))
 174                         req_text = 1;
 175                 else if (!strcmp(*args, "-resp_text"))
 176                         resp_text = 1;
 177                 else if (!strcmp(*args, "-reqin"))
 178                         {
 179                         if (args[1])
 180                                 {
 181                                 args++;
 182                                 reqin = *args;
 183                                 }
 184                         else badarg = 1;
 185                         }
 186                 else if (!strcmp(*args, "-respin"))
 187                         {
 188                         if (args[1])
 189                                 {
 190                                 args++;
 191                                 respin = *args;
 192                                 }
 193                         else badarg = 1;
 194                         }
 195                 else if (!strcmp(*args, "-signer"))
 196                         {
 197                         if (args[1])
 198                                 {
 199                                 args++;
 200                                 signfile = *args;
 201                                 }
 202                         else badarg = 1;
 203                         }
 204                 else if (!strcmp (*args, "-VAfile"))
 205                         {
 206                         if (args[1])
 207                                 {
 208                                 args++;
 209                                 verify_certfile = *args;
 210                                 verify_flags |= OCSP_TRUSTOTHER;
 211                                 }
 212                         else badarg = 1;
 213                         }
 214                 else if (!strcmp(*args, "-sign_other"))
 215                         {
 216                         if (args[1])
 217                                 {
 218                                 args++;
 219                                 sign_certfile = *args;
 220                                 }
 221                         else badarg = 1;
 222                         }
 223                 else if (!strcmp(*args, "-verify_other"))
 224                         {
 225                         if (args[1])
 226                                 {
 227                                 args++;
 228                                 verify_certfile = *args;
 229                                 }
 230                         else badarg = 1;
 231                         }
 232                 else if (!strcmp (*args, "-CAfile"))
 233                         {
 234                         if (args[1])
 235                                 {
 236                                 args++;
 237                                 CAfile = *args;
 238                                 }
 239                         else badarg = 1;
 240                         }
 241                 else if (!strcmp (*args, "-CApath"))
 242                         {
 243                         if (args[1])
 244                                 {
 245                                 args++;
 246                                 CApath = *args;
 247                                 }
 248                         else badarg = 1;
 249                         }
 250                  else if (!strcmp(*args, "-signkey"))
 251                         {
 252                         if (args[1])
 253                                 {
 254                                 args++;
 255                                 keyfile = *args;
 256                                 }
 257                         else badarg = 1;
 258                         }
 259                 else if (!strcmp(*args, "-reqout"))
 260                         {
 261                         if (args[1])
 262                                 {
 263                                 args++;
 264                                 reqout = *args;
 265                                 }
 266                         else badarg = 1;
 267                         }
 268                 else if (!strcmp(*args, "-respout"))
 269                         {
 270                         if (args[1])
 271                                 {
 272                                 args++;
 273                                 respout = *args;
 274                                 }
 275                         else badarg = 1;
 276                         }
 277                  else if (!strcmp(*args, "-path"))
 278                         {
 279                         if (args[1])
 280                                 {
 281                                 args++;
 282                                 path = *args;
 283                                 }
 284                         else badarg = 1;
 285                         }
 286                 else if (!strcmp(*args, "-issuer"))
 287                         {
 288                         if (args[1])
 289                                 {
 290                                 args++;
 291                                 X509_free(issuer);
 292                                 issuer = load_cert(bio_err, *args, FORMAT_PEM);
 293                                 if(!issuer) goto end;
 294                                 }
 295                         else badarg = 1;
 296                         }
 297                 else if (!strcmp (*args, "-cert"))
 298                         {
 299                         if (args[1])
 300                                 {
 301                                 args++;
 302                                 X509_free(cert);
 303                                 cert = load_cert(bio_err, *args, FORMAT_PEM);
 304                                 if(!cert) goto end;
 305                                 if(!add_ocsp_cert(&req, cert, issuer, ids))
 306                                         goto end;
 307                                 if(!sk_push(reqnames, *args))
 308                                         goto end;
 309                                 }
 310                         else badarg = 1;
 311                         }
 312                 else if (!strcmp(*args, "-serial"))
 313                         {
 314                         if (args[1])
 315                                 {
 316                                 args++;
 317                                 if(!add_ocsp_serial(&req, *args, issuer, ids))
 318                                         goto end;
 319                                 if(!sk_push(reqnames, *args))
 320                                         goto end;
 321                                 }
 322                         else badarg = 1;
 323                         }
 324                 else badarg = 1;
 325                 args++;
 326                 }
 327
 328         /* Have we anything to do? */
 329         if (!req && !reqin && !respin) badarg = 1;
 330
 331         if (badarg)
 332                 {
 333                 BIO_printf (bio_err, "OCSP utility\n");
 334                 BIO_printf (bio_err, "Usage ocsp [options]\n");
 335                 BIO_printf (bio_err, "where options are\n");
 336                 BIO_printf (bio_err, "-out file          output filename\n");
 337                 BIO_printf (bio_err, "-issuer file       issuer certificate\n");
 338                 BIO_printf (bio_err, "-cert file         certificate to check\n");
 339                 BIO_printf (bio_err, "-serial n          serial number to check\n");
 340                 BIO_printf (bio_err, "-signer file       certificate to sign OCSP request with\n");
 341                 BIO_printf (bio_err, "-signkey file      private key to sign OCSP request with\n");
 342                 BIO_printf (bio_err, "-sign_certs file   additional certificates to include in signed request\n");
 343                 BIO_printf (bio_err, "-no_certs          don't include any certificates in signed request\n");
 344                 BIO_printf (bio_err, "-req_text          print text form of request\n");
 345                 BIO_printf (bio_err, "-resp_text         print text form of response\n");
 346                 BIO_printf (bio_err, "-text              print text form of request and response\n");
 347                 BIO_printf (bio_err, "-reqout file       write DER encoded OCSP request to \"file\"\n");
 348                 BIO_printf (bio_err, "-respout file      write DER encoded OCSP reponse to \"file\"\n");
 349                 BIO_printf (bio_err, "-reqin file        read DER encoded OCSP request from \"file\"\n");
 350                 BIO_printf (bio_err, "-respin file       read DER encoded OCSP reponse from \"file\"\n");
 351                 BIO_printf (bio_err, "-nonce             add OCSP nonce to request\n");
 352                 BIO_printf (bio_err, "-no_nonce          don't add OCSP nonce to request\n");
 353                 BIO_printf (bio_err, "-url URL           OCSP responder URL\n");
 354                 BIO_printf (bio_err, "-host host:n       send OCSP request to host on port n\n");
 355                 BIO_printf (bio_err, "-path              path to use in OCSP request\n");
 356                 BIO_printf (bio_err, "-CApath dir        trusted certificates directory\n");
 357                 BIO_printf (bio_err, "-CAfile file       trusted certificates file\n");
 358                 BIO_printf (bio_err, "-VAfile file       validator certificates file\n");
 359                 BIO_printf (bio_err, "-noverify          don't verify response at all\n");
 360                 BIO_printf (bio_err, "-verify_certs file additional certificates to search for signer\n");
 361                 BIO_printf (bio_err, "-trust_other       don't verify additional certificates\n");
 362                 BIO_printf (bio_err, "-no_intern         don't search certificates contained in response for signer\n");
 363                 BIO_printf (bio_err, "-no_sig_verify     don't check signature on response\n");
 364                 BIO_printf (bio_err, "-no_cert_verify    don't check signing certificate\n");
 365                 BIO_printf (bio_err, "-no_chain          don't chain verify response\n");
 366                 BIO_printf (bio_err, "-no_cert_checks    don't do additional checks on signing certificate\n");
 367                 goto end;
 368                 }
 369
 370         if(outfile) out = BIO_new_file(outfile, "w");
 371         else out = BIO_new_fp(stdout, BIO_NOCLOSE);
 372
 373         if(!out)
 374                 {
 375                 BIO_printf(bio_err, "Error opening output file\n");
 376                 goto end;
 377                 }
 378
 379         if (!req && (add_nonce != 2)) add_nonce = 0;
 380
 381         if (!req && reqin)
 382                 {
 383                 derbio = BIO_new_file(reqin, "rb");
 384                 if (!derbio)
 385                         {
 386                         BIO_printf(bio_err, "Error Opening OCSP request file\n");
 387                         goto end;
 388                         }
 389                 req = d2i_OCSP_REQUEST_bio(derbio, NULL);
 390                 BIO_free(derbio);
 391                 if(!req)
 392                         {
 393                         BIO_printf(bio_err, "Error reading OCSP request\n");
 394                         goto end;
 395                         }
 396                 }
 397
 398         if (!req && (signfile || reqout || host || add_nonce))
 399                 {
 400                 BIO_printf(bio_err, "Need an OCSP request for this operation!\n");
 401                 goto end;
 402                 }
 403
 404         if (req && add_nonce) OCSP_request_add1_nonce(req, NULL, -1);
 405
 406         if (signfile)
 407                 {
 408                 if (!keyfile) keyfile = signfile;
 409                 signer = load_cert(bio_err, signfile, FORMAT_PEM);
 410                 if (!signer)
 411                         {
 412                         BIO_printf(bio_err, "Error loading signer certificate\n");
 413                         goto end;
 414                         }
 415                 if (sign_certfile)
 416                         {
 417                         sign_other = load_certs(bio_err, sign_certfile, FORMAT_PEM);
 418                         if (!sign_other) goto end;
 419                         }
 420                 key = load_key(bio_err, keyfile, FORMAT_PEM, NULL, NULL);
 421                 if (!key)
 422                         {
 423                         BIO_printf(bio_err, "Error loading signer private key\n");
 424                         goto end;
 425                         }
 426                 if (!OCSP_request_sign(req, signer, key, EVP_sha1(), sign_other, sign_flags))
 427                         {
 428                         BIO_printf(bio_err, "Error signing OCSP request\n");
 429                         goto end;
 430                         }
 431                 }
 432
 433         if (reqout)
 434                 {
 435                 derbio = BIO_new_file(reqout, "wb");
 436                 if (!derbio)
 437                         {
 438                         BIO_printf(bio_err, "Error opening file %s\n", reqout);
 439                         goto end;
 440                         }
 441                 i2d_OCSP_REQUEST_bio(derbio, req);
 442                 BIO_free(derbio);
 443                 }
 444
 445         if (req_text && req) OCSP_REQUEST_print(out, req, 0);
 446
 447         if (host)
 448                 {
 449                 cbio = BIO_new_connect(host);
 450                 if (!cbio)
 451                         {
 452                         BIO_printf(bio_err, "Error creating connect BIO\n");
 453                         goto end;
 454                         }
 455                 if (port) BIO_set_conn_port(cbio, port);
 456                 if (use_ssl == 1)
 457                         {
 458                         BIO *sbio;
 459                         ctx = SSL_CTX_new(SSLv23_client_method());
 460                         SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
 461                         sbio = BIO_new_ssl(ctx, 1);
 462                         cbio = BIO_push(sbio, cbio);
 463                         }
 464                 if (BIO_do_connect(cbio) <= 0)
 465                         {
 466                         BIO_printf(bio_err, "Error connecting BIO\n");
 467                         goto end;
 468                         }
 469                 resp = OCSP_sendreq_bio(cbio, path, req);
 470                 BIO_free_all(cbio);
 471                 cbio = NULL;
 472                 if (!resp)
 473                         {
 474                         BIO_printf(bio_err, "Error querying OCSP responsder\n");
 475                         goto end;
 476                         }
 477                 }
 478         else if (respin)
 479                 {
 480                 derbio = BIO_new_file(respin, "rb");
 481                 if (!derbio)
 482                         {
 483                         BIO_printf(bio_err, "Error Opening OCSP response file\n");
 484                         goto end;
 485                         }
 486                 resp = d2i_OCSP_RESPONSE_bio(derbio, NULL);
 487                 BIO_free(derbio);
 488                 if(!resp)
 489                         {
 490                         BIO_printf(bio_err, "Error reading OCSP response\n");
 491                         goto end;
 492                         }
 493
 494                 }
 495         else
 496                 {
 497                 ret = 0;
 498                 goto end;
 499                 }
 500
 501         if (respout)
 502                 {
 503                 derbio = BIO_new_file(respout, "wb");
 504                 if(!derbio)
 505                         {
 506                         BIO_printf(bio_err, "Error opening file %s\n", respout);
 507                         goto end;
 508                         }
 509                 i2d_OCSP_RESPONSE_bio(derbio, resp);
 510                 BIO_free(derbio);
 511                 }
 512
 513         i = OCSP_response_status(resp);
 514
 515         if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL)
 516                 {
 517                 BIO_printf(out, "Responder Error: %s (%ld)\n",
 518                                 OCSP_response_status_str(i), i);
 519                 ret = 0;
 520                 goto end;
 521                 }
 522
 523         if (resp_text) OCSP_RESPONSE_print(out, resp, 0);
 524
 525         store = setup_verify(bio_err, CAfile, CApath);
 526         if(!store) goto end;
 527         if (verify_certfile)
 528                 {
 529                 verify_other = load_certs(bio_err, verify_certfile, FORMAT_PEM);
 530                 if (!verify_other) goto end;
 531                 }
 532
 533         bs = OCSP_response_get1_basic(resp);
 534
 535         if (!bs)
 536                 {
 537                 BIO_printf(bio_err, "Error parsing response\n");
 538                 goto end;
 539                 }
 540
 541         if (!noverify)
 542                 {
 543                 if (req && ((i = OCSP_check_nonce(req, bs)) <= 0))
 544                         {
 545                         if (i == -1)
 546                                 BIO_printf(bio_err, "WARNING: no nonce in response\n");
 547                         else
 548                                 {
 549                                 BIO_printf(bio_err, "Nonce Verify error\n");
 550                                 goto end;
 551                                 }
 552                         }
 553
 554                 i = OCSP_basic_verify(bs, verify_other, store, verify_flags);
 555                 if (i < 0) i = OCSP_basic_verify(bs, NULL, store, 0);
 556
 557                 if(i <= 0)
 558                         {
 559                         BIO_printf(bio_err, "Response Verify Failure\n", i);
 560                         ERR_print_errors(bio_err);
 561                         }
 562                 else
 563                         BIO_printf(bio_err, "Response verify OK\n");
 564
 565                 }
 566
 567         if (!print_ocsp_summary(out, bs, req, reqnames, ids))
 568                 goto end;
 569
 570         ret = 0;
 571
 572 end:
 573         ERR_print_errors(bio_err);
 574         X509_free(signer);
 575         X509_STORE_free(store);
 576         EVP_PKEY_free(key);
 577         X509_free(issuer);
 578         X509_free(cert);
 579         BIO_free_all(cbio);
 580         BIO_free(out);
 581         OCSP_REQUEST_free(req);
 582         OCSP_RESPONSE_free(resp);
 583         OCSP_BASICRESP_free(bs);
 584         sk_free(reqnames);
 585         sk_OCSP_CERTID_free(ids);
 586         sk_X509_pop_free(sign_other, X509_free);
 587         sk_X509_pop_free(verify_other, X509_free);
 588
 589         if (use_ssl != -1)
 590                 {
 591                 OPENSSL_free(host);
 592                 OPENSSL_free(port);
 593                 OPENSSL_free(path);
 594                 SSL_CTX_free(ctx);
 595                 }
 596
 597         EXIT(ret);
 598 }
 599
 600 static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, X509 *issuer,
 601                                 STACK_OF(OCSP_CERTID) *ids)
 602         {
 603         OCSP_CERTID *id;
 604         if(!issuer)
 605                 {
 606                 BIO_printf(bio_err, "No issuer certificate specified\n");
 607                 return 0;
 608                 }
 609         if(!*req) *req = OCSP_REQUEST_new();
 610         if(!*req) goto err;
 611         id = OCSP_cert_to_id(NULL, cert, issuer);
 612         if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
 613         if(!OCSP_request_add0_id(*req, id)) goto err;
 614         return 1;
 615
 616         err:
 617         BIO_printf(bio_err, "Error Creating OCSP request\n");
 618         return 0;
 619         }
 620
 621 static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, X509 *issuer,
 622                                 STACK_OF(OCSP_CERTID) *ids)
 623         {
 624         OCSP_CERTID *id;
 625         X509_NAME *iname;
 626         ASN1_BIT_STRING *ikey;
 627         ASN1_INTEGER *sno;
 628         if(!issuer)
 629                 {
 630                 BIO_printf(bio_err, "No issuer certificate specified\n");
 631                 return 0;
 632                 }
 633         if(!*req) *req = OCSP_REQUEST_new();
 634         if(!*req) goto err;
 635         iname = X509_get_subject_name(issuer);
 636         ikey = X509_get0_pubkey_bitstr(issuer);
 637         sno = s2i_ASN1_INTEGER(NULL, serial);
 638         if(!sno)
 639                 {
 640                 BIO_printf(bio_err, "Error converting serial number %s\n", serial);
 641                 return 0;
 642                 }
 643         id = OCSP_cert_id_new(EVP_sha1(), iname, ikey, sno);
 644         ASN1_INTEGER_free(sno);
 645         if(!id || !sk_OCSP_CERTID_push(ids, id)) goto err;
 646         if(!OCSP_request_add0_id(*req, id)) goto err;
 647         return 1;
 648
 649         err:
 650         BIO_printf(bio_err, "Error Creating OCSP request\n");
 651         return 0;
 652         }
 653
 654 static int print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req,
 655                                         STACK *names, STACK_OF(OCSP_CERTID) *ids)
 656         {
 657         OCSP_CERTID *id;
 658         char *name;
 659         int i;
 660
 661         int status, reason;
 662
 663         ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd;
 664
 665         if (!bs || !req || !sk_num(names) || !sk_OCSP_CERTID_num(ids))
 666                 return 1;
 667
 668         for (i = 0; i < sk_OCSP_CERTID_num(ids); i++)
 669                 {
 670                 id = sk_OCSP_CERTID_value(ids, i);
 671                 name = sk_value(names, i);
 672                 BIO_printf(out, "%s: ", name);
 673
 674                 if(!OCSP_resp_find_status(bs, id, &status, &reason,
 675                                         &rev, &thisupd, &nextupd))
 676                         {
 677                         BIO_puts(out, "ERROR: No Status found.\n");
 678                         continue;
 679                         }
 680                 BIO_printf(out, "%s\n", OCSP_cert_status_str(status));
 681
 682                 BIO_puts(out, "\tThis Update: ");
 683                 ASN1_GENERALIZEDTIME_print(out, thisupd);
 684                 BIO_puts(out, "\n");
 685
 686                 if(nextupd)
 687                         {
 688                         BIO_puts(out, "\tNext Update: ");
 689                         ASN1_GENERALIZEDTIME_print(out, thisupd);
 690                         BIO_puts(out, "\n");
 691                         }
 692
 693                 if (status != V_OCSP_CERTSTATUS_REVOKED)
 694                         continue;
 695
 696                 if (reason != -1)
 697                         BIO_printf(out, "\tReason: %s\n",
 698                                 OCSP_crl_reason_str(reason));
 699
 700                 BIO_puts(out, "\tRevocation Time: ");
 701                 ASN1_GENERALIZEDTIME_print(out, rev);
 702                 BIO_puts(out, "\n");
 703                 }
 704
 705         return 1;
 706         }
 707