crypto/openssl-0.9/apps/cms.c

   1 /* apps/cms.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2008 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
  54 /* CMS utility function */
  55
  56 #include <stdio.h>
  57 #include <string.h>
  58 #include "apps.h"
  59
  60 #ifndef OPENSSL_NO_CMS
  61
  62 #include <openssl/crypto.h>
  63 #include <openssl/pem.h>
  64 #include <openssl/err.h>
  65 #include <openssl/x509_vfy.h>
  66 #include <openssl/x509v3.h>
  67 #include <openssl/cms.h>
  68
  69 #undef PROG
  70 #define PROG cms_main
  71 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
  72 static int cms_cb(int ok, X509_STORE_CTX *ctx);
  73 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms);
  74 static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
  75                                                                 STACK *rr_from);
  76
  77 #define SMIME_OP        0x10
  78 #define SMIME_IP        0x20
  79 #define SMIME_SIGNERS   0x40
  80 #define SMIME_ENCRYPT           (1 | SMIME_OP)
  81 #define SMIME_DECRYPT           (2 | SMIME_IP)
  82 #define SMIME_SIGN              (3 | SMIME_OP | SMIME_SIGNERS)
  83 #define SMIME_VERIFY            (4 | SMIME_IP)
  84 #define SMIME_CMSOUT            (5 | SMIME_IP | SMIME_OP)
  85 #define SMIME_RESIGN            (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
  86 #define SMIME_DATAOUT           (7 | SMIME_IP)
  87 #define SMIME_DATA_CREATE       (8 | SMIME_OP)
  88 #define SMIME_DIGEST_VERIFY     (9 | SMIME_IP)
  89 #define SMIME_DIGEST_CREATE     (10 | SMIME_OP)
  90 #define SMIME_UNCOMPRESS        (11 | SMIME_IP)
  91 #define SMIME_COMPRESS          (12 | SMIME_OP)
  92 #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
  93 #define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
  94 #define SMIME_SIGN_RECEIPT      (15 | SMIME_IP | SMIME_OP)
  95 #define SMIME_VERIFY_RECEIPT    (16 | SMIME_IP)
  96
  97 int MAIN(int, char **);
  98
  99 int MAIN(int argc, char **argv)
 100         {
 101         ENGINE *e = NULL;
 102         int operation = 0;
 103         int ret = 0;
 104         char **args;
 105         const char *inmode = "r", *outmode = "w";
 106         char *infile = NULL, *outfile = NULL, *rctfile = NULL;
 107         char *signerfile = NULL, *recipfile = NULL;
 108         STACK *sksigners = NULL, *skkeys = NULL;
 109         char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
 110         char *certsoutfile = NULL;
 111         const EVP_CIPHER *cipher = NULL;
 112         CMS_ContentInfo *cms = NULL, *rcms = NULL;
 113         X509_STORE *store = NULL;
 114         X509 *cert = NULL, *recip = NULL, *signer = NULL;
 115         EVP_PKEY *key = NULL;
 116         STACK_OF(X509) *encerts = NULL, *other = NULL;
 117         BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
 118         int badarg = 0;
 119         int flags = CMS_DETACHED;
 120         int rr_print = 0, rr_allorfirst = -1;
 121         STACK *rr_to = NULL, *rr_from = NULL;
 122         CMS_ReceiptRequest *rr = NULL;
 123         char *to = NULL, *from = NULL, *subject = NULL;
 124         char *CAfile = NULL, *CApath = NULL;
 125         char *passargin = NULL, *passin = NULL;
 126         char *inrand = NULL;
 127         int need_rand = 0;
 128         const EVP_MD *sign_md = NULL;
 129         int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
 130         int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
 131 #ifndef OPENSSL_NO_ENGINE
 132         char *engine=NULL;
 133 #endif
 134         unsigned char *secret_key = NULL, *secret_keyid = NULL;
 135         size_t secret_keylen = 0, secret_keyidlen = 0;
 136
 137         ASN1_OBJECT *econtent_type = NULL;
 138
 139         X509_VERIFY_PARAM *vpm = NULL;
 140
 141         args = argv + 1;
 142         ret = 1;
 143
 144         apps_startup();
 145
 146         if (bio_err == NULL)
 147                 {
 148                 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 149                         BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
 150                 }
 151
 152         if (!load_config(bio_err, NULL))
 153                 goto end;
 154
 155         while (!badarg && *args && *args[0] == '-')
 156                 {
 157                 if (!strcmp (*args, "-encrypt"))
 158                         operation = SMIME_ENCRYPT;
 159                 else if (!strcmp (*args, "-decrypt"))
 160                         operation = SMIME_DECRYPT;
 161                 else if (!strcmp (*args, "-sign"))
 162                         operation = SMIME_SIGN;
 163                 else if (!strcmp (*args, "-sign_receipt"))
 164                         operation = SMIME_SIGN_RECEIPT;
 165                 else if (!strcmp (*args, "-resign"))
 166                         operation = SMIME_RESIGN;
 167                 else if (!strcmp (*args, "-verify"))
 168                         operation = SMIME_VERIFY;
 169                 else if (!strcmp(*args,"-verify_receipt"))
 170                         {
 171                         operation = SMIME_VERIFY_RECEIPT;
 172                         if (!args[1])
 173                                 goto argerr;
 174                         args++;
 175                         rctfile = *args;
 176                         }
 177                 else if (!strcmp (*args, "-cmsout"))
 178                         operation = SMIME_CMSOUT;
 179                 else if (!strcmp (*args, "-data_out"))
 180                         operation = SMIME_DATAOUT;
 181                 else if (!strcmp (*args, "-data_create"))
 182                         operation = SMIME_DATA_CREATE;
 183                 else if (!strcmp (*args, "-digest_verify"))
 184                         operation = SMIME_DIGEST_VERIFY;
 185                 else if (!strcmp (*args, "-digest_create"))
 186                         operation = SMIME_DIGEST_CREATE;
 187                 else if (!strcmp (*args, "-compress"))
 188                         operation = SMIME_COMPRESS;
 189                 else if (!strcmp (*args, "-uncompress"))
 190                         operation = SMIME_UNCOMPRESS;
 191                 else if (!strcmp (*args, "-EncryptedData_decrypt"))
 192                         operation = SMIME_ENCRYPTED_DECRYPT;
 193                 else if (!strcmp (*args, "-EncryptedData_encrypt"))
 194                         operation = SMIME_ENCRYPTED_ENCRYPT;
 195 #ifndef OPENSSL_NO_DES
 196                 else if (!strcmp (*args, "-des3"))
 197                                 cipher = EVP_des_ede3_cbc();
 198                 else if (!strcmp (*args, "-des"))
 199                                 cipher = EVP_des_cbc();
 200 #endif
 201 #ifndef OPENSSL_NO_SEED
 202                 else if (!strcmp (*args, "-seed"))
 203                                 cipher = EVP_seed_cbc();
 204 #endif
 205 #ifndef OPENSSL_NO_RC2
 206                 else if (!strcmp (*args, "-rc2-40"))
 207                                 cipher = EVP_rc2_40_cbc();
 208                 else if (!strcmp (*args, "-rc2-128"))
 209                                 cipher = EVP_rc2_cbc();
 210                 else if (!strcmp (*args, "-rc2-64"))
 211                                 cipher = EVP_rc2_64_cbc();
 212 #endif
 213 #ifndef OPENSSL_NO_AES
 214                 else if (!strcmp(*args,"-aes128"))
 215                                 cipher = EVP_aes_128_cbc();
 216                 else if (!strcmp(*args,"-aes192"))
 217                                 cipher = EVP_aes_192_cbc();
 218                 else if (!strcmp(*args,"-aes256"))
 219                                 cipher = EVP_aes_256_cbc();
 220 #endif
 221 #ifndef OPENSSL_NO_CAMELLIA
 222                 else if (!strcmp(*args,"-camellia128"))
 223                                 cipher = EVP_camellia_128_cbc();
 224                 else if (!strcmp(*args,"-camellia192"))
 225                                 cipher = EVP_camellia_192_cbc();
 226                 else if (!strcmp(*args,"-camellia256"))
 227                                 cipher = EVP_camellia_256_cbc();
 228 #endif
 229                 else if (!strcmp (*args, "-text"))
 230                                 flags |= CMS_TEXT;
 231                 else if (!strcmp (*args, "-nointern"))
 232                                 flags |= CMS_NOINTERN;
 233                 else if (!strcmp (*args, "-noverify")
 234                         || !strcmp (*args, "-no_signer_cert_verify"))
 235                                 flags |= CMS_NO_SIGNER_CERT_VERIFY;
 236                 else if (!strcmp (*args, "-nocerts"))
 237                                 flags |= CMS_NOCERTS;
 238                 else if (!strcmp (*args, "-noattr"))
 239                                 flags |= CMS_NOATTR;
 240                 else if (!strcmp (*args, "-nodetach"))
 241                                 flags &= ~CMS_DETACHED;
 242                 else if (!strcmp (*args, "-nosmimecap"))
 243                                 flags |= CMS_NOSMIMECAP;
 244                 else if (!strcmp (*args, "-binary"))
 245                                 flags |= CMS_BINARY;
 246                 else if (!strcmp (*args, "-keyid"))
 247                                 flags |= CMS_USE_KEYID;
 248                 else if (!strcmp (*args, "-nosigs"))
 249                                 flags |= CMS_NOSIGS;
 250                 else if (!strcmp (*args, "-no_content_verify"))
 251                                 flags |= CMS_NO_CONTENT_VERIFY;
 252                 else if (!strcmp (*args, "-no_attr_verify"))
 253                                 flags |= CMS_NO_ATTR_VERIFY;
 254                 else if (!strcmp (*args, "-stream"))
 255                                 {
 256                                 args++;
 257                                 continue;
 258                                 }
 259                 else if (!strcmp (*args, "-indef"))
 260                                 {
 261                                 args++;
 262                                 continue;
 263                                 }
 264                 else if (!strcmp (*args, "-noindef"))
 265                                 flags &= ~CMS_STREAM;
 266                 else if (!strcmp (*args, "-nooldmime"))
 267                                 flags |= CMS_NOOLDMIMETYPE;
 268                 else if (!strcmp (*args, "-crlfeol"))
 269                                 flags |= CMS_CRLFEOL;
 270                 else if (!strcmp (*args, "-receipt_request_print"))
 271                                 rr_print = 1;
 272                 else if (!strcmp (*args, "-receipt_request_all"))
 273                                 rr_allorfirst = 0;
 274                 else if (!strcmp (*args, "-receipt_request_first"))
 275                                 rr_allorfirst = 1;
 276                 else if (!strcmp(*args,"-receipt_request_from"))
 277                         {
 278                         if (!args[1])
 279                                 goto argerr;
 280                         args++;
 281                         if (!rr_from)
 282                                 rr_from = sk_new_null();
 283                         sk_push(rr_from, *args);
 284                         }
 285                 else if (!strcmp(*args,"-receipt_request_to"))
 286                         {
 287                         if (!args[1])
 288                                 goto argerr;
 289                         args++;
 290                         if (!rr_to)
 291                                 rr_to = sk_new_null();
 292                         sk_push(rr_to, *args);
 293                         }
 294                 else if (!strcmp(*args,"-secretkey"))
 295                         {
 296                         long ltmp;
 297                         if (!args[1])
 298                                 goto argerr;
 299                         args++;
 300                         secret_key = string_to_hex(*args, &ltmp);
 301                         if (!secret_key)
 302                                 {
 303                                 BIO_printf(bio_err, "Invalid key %s\n", *args);
 304                                 goto argerr;
 305                                 }
 306                         secret_keylen = (size_t)ltmp;
 307                         }
 308                 else if (!strcmp(*args,"-secretkeyid"))
 309                         {
 310                         long ltmp;
 311                         if (!args[1])
 312                                 goto argerr;
 313                         args++;
 314                         secret_keyid = string_to_hex(*args, &ltmp);
 315                         if (!secret_keyid)
 316                                 {
 317                                 BIO_printf(bio_err, "Invalid id %s\n", *args);
 318                                 goto argerr;
 319                                 }
 320                         secret_keyidlen = (size_t)ltmp;
 321                         }
 322                 else if (!strcmp(*args,"-econtent_type"))
 323                         {
 324                         if (!args[1])
 325                                 goto argerr;
 326                         args++;
 327                         econtent_type = OBJ_txt2obj(*args, 0);
 328                         if (!econtent_type)
 329                                 {
 330                                 BIO_printf(bio_err, "Invalid OID %s\n", *args);
 331                                 goto argerr;
 332                                 }
 333                         }
 334                 else if (!strcmp(*args,"-rand"))
 335                         {
 336                         if (!args[1])
 337                                 goto argerr;
 338                         args++;
 339                         inrand = *args;
 340                         need_rand = 1;
 341                         }
 342 #ifndef OPENSSL_NO_ENGINE
 343                 else if (!strcmp(*args,"-engine"))
 344                         {
 345                         if (!args[1])
 346                                 goto argerr;
 347                         engine = *++args;
 348                         }
 349 #endif
 350                 else if (!strcmp(*args,"-passin"))
 351                         {
 352                         if (!args[1])
 353                                 goto argerr;
 354                         passargin = *++args;
 355                         }
 356                 else if (!strcmp (*args, "-to"))
 357                         {
 358                         if (!args[1])
 359                                 goto argerr;
 360                         to = *++args;
 361                         }
 362                 else if (!strcmp (*args, "-from"))
 363                         {
 364                         if (!args[1])
 365                                 goto argerr;
 366                         from = *++args;
 367                         }
 368                 else if (!strcmp (*args, "-subject"))
 369                         {
 370                         if (!args[1])
 371                                 goto argerr;
 372                         subject = *++args;
 373                         }
 374                 else if (!strcmp (*args, "-signer"))
 375                         {
 376                         if (!args[1])
 377                                 goto argerr;
 378                         /* If previous -signer argument add signer to list */
 379
 380                         if (signerfile)
 381                                 {
 382                                 if (!sksigners)
 383                                         sksigners = sk_new_null();
 384                                 sk_push(sksigners, signerfile);
 385                                 if (!keyfile)
 386                                         keyfile = signerfile;
 387                                 if (!skkeys)
 388                                         skkeys = sk_new_null();
 389                                 sk_push(skkeys, keyfile);
 390                                 keyfile = NULL;
 391                                 }
 392                         signerfile = *++args;
 393                         }
 394                 else if (!strcmp (*args, "-recip"))
 395                         {
 396                         if (!args[1])
 397                                 goto argerr;
 398                         recipfile = *++args;
 399                         }
 400                 else if (!strcmp (*args, "-certsout"))
 401                         {
 402                         if (!args[1])
 403                                 goto argerr;
 404                         certsoutfile = *++args;
 405                         }
 406                 else if (!strcmp (*args, "-md"))
 407                         {
 408                         if (!args[1])
 409                                 goto argerr;
 410                         sign_md = EVP_get_digestbyname(*++args);
 411                         if (sign_md == NULL)
 412                                 {
 413                                 BIO_printf(bio_err, "Unknown digest %s\n",
 414                                                         *args);
 415                                 goto argerr;
 416                                 }
 417                         }
 418                 else if (!strcmp (*args, "-inkey"))
 419                         {
 420                         if (!args[1])
 421                                 goto argerr;
 422                         /* If previous -inkey arument add signer to list */
 423                         if (keyfile)
 424                                 {
 425                                 if (!signerfile)
 426                                         {
 427                                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 428                                         goto argerr;
 429                                         }
 430                                 if (!sksigners)
 431                                         sksigners = sk_new_null();
 432                                 sk_push(sksigners, signerfile);
 433                                 signerfile = NULL;
 434                                 if (!skkeys)
 435                                         skkeys = sk_new_null();
 436                                 sk_push(skkeys, keyfile);
 437                                 }
 438                         keyfile = *++args;
 439                         }
 440                 else if (!strcmp (*args, "-keyform"))
 441                         {
 442                         if (!args[1])
 443                                 goto argerr;
 444                         keyform = str2fmt(*++args);
 445                         }
 446                 else if (!strcmp (*args, "-rctform"))
 447                         {
 448                         if (!args[1])
 449                                 goto argerr;
 450                         rctformat = str2fmt(*++args);
 451                         }
 452                 else if (!strcmp (*args, "-certfile"))
 453                         {
 454                         if (!args[1])
 455                                 goto argerr;
 456                         certfile = *++args;
 457                         }
 458                 else if (!strcmp (*args, "-CAfile"))
 459                         {
 460                         if (!args[1])
 461                                 goto argerr;
 462                         CAfile = *++args;
 463                         }
 464                 else if (!strcmp (*args, "-CApath"))
 465                         {
 466                         if (!args[1])
 467                                 goto argerr;
 468                         CApath = *++args;
 469                         }
 470                 else if (!strcmp (*args, "-in"))
 471                         {
 472                         if (!args[1])
 473                                 goto argerr;
 474                         infile = *++args;
 475                         }
 476                 else if (!strcmp (*args, "-inform"))
 477                         {
 478                         if (!args[1])
 479                                 goto argerr;
 480                         informat = str2fmt(*++args);
 481                         }
 482                 else if (!strcmp (*args, "-outform"))
 483                         {
 484                         if (!args[1])
 485                                 goto argerr;
 486                         outformat = str2fmt(*++args);
 487                         }
 488                 else if (!strcmp (*args, "-out"))
 489                         {
 490                         if (!args[1])
 491                                 goto argerr;
 492                         outfile = *++args;
 493                         }
 494                 else if (!strcmp (*args, "-content"))
 495                         {
 496                         if (!args[1])
 497                                 goto argerr;
 498                         contfile = *++args;
 499                         }
 500                 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
 501                         continue;
 502                 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
 503                         badarg = 1;
 504                 args++;
 505                 }
 506
 507         if (((rr_allorfirst != -1) || rr_from) && !rr_to)
 508                 {
 509                 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
 510                 goto argerr;
 511                 }
 512
 513         if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
 514                 {
 515                 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
 516                 goto argerr;
 517                 }
 518         if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
 519                 {
 520                 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
 521                 goto argerr;
 522                 }
 523
 524         if (operation & SMIME_SIGNERS)
 525                 {
 526                 if (keyfile && !signerfile)
 527                         {
 528                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 529                         goto argerr;
 530                         }
 531                 /* Check to see if any final signer needs to be appended */
 532                 if (signerfile)
 533                         {
 534                         if (!sksigners)
 535                                 sksigners = sk_new_null();
 536                         sk_push(sksigners, signerfile);
 537                         if (!skkeys)
 538                                 skkeys = sk_new_null();
 539                         if (!keyfile)
 540                                 keyfile = signerfile;
 541                         sk_push(skkeys, keyfile);
 542                         }
 543                 if (!sksigners)
 544                         {
 545                         BIO_printf(bio_err, "No signer certificate specified\n");
 546                         badarg = 1;
 547                         }
 548                 signerfile = NULL;
 549                 keyfile = NULL;
 550                 need_rand = 1;
 551                 }
 552
 553         else if (operation == SMIME_DECRYPT)
 554                 {
 555                 if (!recipfile && !keyfile && !secret_key)
 556                         {
 557                         BIO_printf(bio_err, "No recipient certificate or key specified\n");
 558                         badarg = 1;
 559                         }
 560                 }
 561         else if (operation == SMIME_ENCRYPT)
 562                 {
 563                 if (!*args && !secret_key)
 564                         {
 565                         BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
 566                         badarg = 1;
 567                         }
 568                 need_rand = 1;
 569                 }
 570         else if (!operation)
 571                 badarg = 1;
 572
 573         if (badarg)
 574                 {
 575                 argerr:
 576                 BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
 577                 BIO_printf (bio_err, "where options are\n");
 578                 BIO_printf (bio_err, "-encrypt       encrypt message\n");
 579                 BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
 580                 BIO_printf (bio_err, "-sign          sign message\n");
 581                 BIO_printf (bio_err, "-verify        verify signed message\n");
 582                 BIO_printf (bio_err, "-cmsout        output CMS structure\n");
 583 #ifndef OPENSSL_NO_DES
 584                 BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
 585                 BIO_printf (bio_err, "-des           encrypt with DES\n");
 586 #endif
 587 #ifndef OPENSSL_NO_SEED
 588                 BIO_printf (bio_err, "-seed          encrypt with SEED\n");
 589 #endif
 590 #ifndef OPENSSL_NO_RC2
 591                 BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
 592                 BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
 593                 BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
 594 #endif
 595 #ifndef OPENSSL_NO_AES
 596                 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
 597                 BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
 598 #endif
 599 #ifndef OPENSSL_NO_CAMELLIA
 600                 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
 601                 BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
 602 #endif
 603                 BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
 604                 BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
 605                 BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
 606                 BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
 607                 BIO_printf (bio_err, "-nodetach      use opaque signing\n");
 608                 BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
 609                 BIO_printf (bio_err, "-binary        don't translate message to text\n");
 610                 BIO_printf (bio_err, "-certfile file other certificates file\n");
 611                 BIO_printf (bio_err, "-certsout file certificate output file\n");
 612                 BIO_printf (bio_err, "-signer file   signer certificate file\n");
 613                 BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
 614                 BIO_printf (bio_err, "-skeyid        use subject key identifier\n");
 615                 BIO_printf (bio_err, "-in file       input file\n");
 616                 BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
 617                 BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
 618                 BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
 619                 BIO_printf (bio_err, "-out file      output file\n");
 620                 BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
 621                 BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
 622                 BIO_printf (bio_err, "-to addr       to address\n");
 623                 BIO_printf (bio_err, "-from ad       from address\n");
 624                 BIO_printf (bio_err, "-subject s     subject\n");
 625                 BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
 626                 BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
 627                 BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
 628                 BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
 629                 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
 630 #ifndef OPENSSL_NO_ENGINE
 631                 BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
 632 #endif
 633                 BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
 634                 BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 635                 BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
 636                 BIO_printf(bio_err,  "               the random number generator\n");
 637                 BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
 638                 goto end;
 639                 }
 640
 641 #ifndef OPENSSL_NO_ENGINE
 642         e = setup_engine(bio_err, engine, 0);
 643 #endif
 644
 645         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 646                 {
 647                 BIO_printf(bio_err, "Error getting password\n");
 648                 goto end;
 649                 }
 650
 651         if (need_rand)
 652                 {
 653                 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
 654                 if (inrand != NULL)
 655                         BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 656                                 app_RAND_load_files(inrand));
 657                 }
 658
 659         ret = 2;
 660
 661         if (!(operation & SMIME_SIGNERS))
 662                 flags &= ~CMS_DETACHED;
 663
 664         if (operation & SMIME_OP)
 665                 {
 666                 if (outformat == FORMAT_ASN1)
 667                         outmode = "wb";
 668                 }
 669         else
 670                 {
 671                 if (flags & CMS_BINARY)
 672                         outmode = "wb";
 673                 }
 674
 675         if (operation & SMIME_IP)
 676                 {
 677                 if (informat == FORMAT_ASN1)
 678                         inmode = "rb";
 679                 }
 680         else
 681                 {
 682                 if (flags & CMS_BINARY)
 683                         inmode = "rb";
 684                 }
 685
 686         if (operation == SMIME_ENCRYPT)
 687                 {
 688                 if (!cipher)
 689                         {
 690 #ifndef OPENSSL_NO_DES
 691                         cipher = EVP_des_ede3_cbc();
 692 #else
 693                         BIO_printf(bio_err, "No cipher selected\n");
 694                         goto end;
 695 #endif
 696                         }
 697
 698                 if (secret_key && !secret_keyid)
 699                         {
 700                         BIO_printf(bio_err, "No sectre key id\n");
 701                         goto end;
 702                         }
 703
 704                 if (*args)
 705                         encerts = sk_X509_new_null();
 706                 while (*args)
 707                         {
 708                         if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
 709                                 NULL, e, "recipient certificate file")))
 710                                 goto end;
 711                         sk_X509_push(encerts, cert);
 712                         cert = NULL;
 713                         args++;
 714                         }
 715                 }
 716
 717         if (certfile)
 718                 {
 719                 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
 720                         e, "certificate file")))
 721                         {
 722                         ERR_print_errors(bio_err);
 723                         goto end;
 724                         }
 725                 }
 726
 727         if (recipfile && (operation == SMIME_DECRYPT))
 728                 {
 729                 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
 730                         e, "recipient certificate file")))
 731                         {
 732                         ERR_print_errors(bio_err);
 733                         goto end;
 734                         }
 735                 }
 736
 737         if (operation == SMIME_SIGN_RECEIPT)
 738                 {
 739                 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
 740                         e, "receipt signer certificate file")))
 741                         {
 742                         ERR_print_errors(bio_err);
 743                         goto end;
 744                         }
 745                 }
 746
 747         if (operation == SMIME_DECRYPT)
 748                 {
 749                 if (!keyfile)
 750                         keyfile = recipfile;
 751                 }
 752         else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
 753                 {
 754                 if (!keyfile)
 755                         keyfile = signerfile;
 756                 }
 757         else keyfile = NULL;
 758
 759         if (keyfile)
 760                 {
 761                 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 762                                "signing key file");
 763                 if (!key)
 764                         goto end;
 765                 }
 766
 767         if (infile)
 768                 {
 769                 if (!(in = BIO_new_file(infile, inmode)))
 770                         {
 771                         BIO_printf (bio_err,
 772                                  "Can't open input file %s\n", infile);
 773                         goto end;
 774                         }
 775                 }
 776         else
 777                 in = BIO_new_fp(stdin, BIO_NOCLOSE);
 778
 779         if (operation & SMIME_IP)
 780                 {
 781                 if (informat == FORMAT_SMIME)
 782                         cms = SMIME_read_CMS(in, &indata);
 783                 else if (informat == FORMAT_PEM)
 784                         cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
 785                 else if (informat == FORMAT_ASN1)
 786                         cms = d2i_CMS_bio(in, NULL);
 787                 else
 788                         {
 789                         BIO_printf(bio_err, "Bad input format for CMS file\n");
 790                         goto end;
 791                         }
 792
 793                 if (!cms)
 794                         {
 795                         BIO_printf(bio_err, "Error reading S/MIME message\n");
 796                         goto end;
 797                         }
 798                 if (contfile)
 799                         {
 800                         BIO_free(indata);
 801                         if (!(indata = BIO_new_file(contfile, "rb")))
 802                                 {
 803                                 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
 804                                 goto end;
 805                                 }
 806                         }
 807                 if (certsoutfile)
 808                         {
 809                         STACK_OF(X509) *allcerts;
 810                         allcerts = CMS_get1_certs(cms);
 811                         if (!save_certs(certsoutfile, allcerts))
 812                                 {
 813                                 BIO_printf(bio_err,
 814                                                 "Error writing certs to %s\n",
 815                                                                 certsoutfile);
 816                                 ret = 5;
 817                                 goto end;
 818                                 }
 819                         sk_X509_pop_free(allcerts, X509_free);
 820                         }
 821                 }
 822
 823         if (rctfile)
 824                 {
 825                 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
 826                 if (!(rctin = BIO_new_file(rctfile, rctmode)))
 827                         {
 828                         BIO_printf (bio_err,
 829                                  "Can't open receipt file %s\n", rctfile);
 830                         goto end;
 831                         }
 832
 833                 if (rctformat == FORMAT_SMIME)
 834                         rcms = SMIME_read_CMS(rctin, NULL);
 835                 else if (rctformat == FORMAT_PEM)
 836                         rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
 837                 else if (rctformat == FORMAT_ASN1)
 838                         rcms = d2i_CMS_bio(rctin, NULL);
 839                 else
 840                         {
 841                         BIO_printf(bio_err, "Bad input format for receipt\n");
 842                         goto end;
 843                         }
 844
 845                 if (!rcms)
 846                         {
 847                         BIO_printf(bio_err, "Error reading receipt\n");
 848                         goto end;
 849                         }
 850                 }
 851
 852         if (outfile)
 853                 {
 854                 if (!(out = BIO_new_file(outfile, outmode)))
 855                         {
 856                         BIO_printf (bio_err,
 857                                  "Can't open output file %s\n", outfile);
 858                         goto end;
 859                         }
 860                 }
 861         else
 862                 {
 863                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
 864 #ifdef OPENSSL_SYS_VMS
 865                 {
 866                     BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 867                     out = BIO_push(tmpbio, out);
 868                 }
 869 #endif
 870                 }
 871
 872         if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
 873                 {
 874                 if (!(store = setup_verify(bio_err, CAfile, CApath)))
 875                         goto end;
 876                 X509_STORE_set_verify_cb_func(store, cms_cb);
 877                 if (vpm)
 878                         X509_STORE_set1_param(store, vpm);
 879                 }
 880
 881
 882         ret = 3;
 883
 884         if (operation == SMIME_DATA_CREATE)
 885                 {
 886                 cms = CMS_data_create(in, flags);
 887                 }
 888         else if (operation == SMIME_DIGEST_CREATE)
 889                 {
 890                 cms = CMS_digest_create(in, sign_md, flags);
 891                 }
 892         else if (operation == SMIME_COMPRESS)
 893                 {
 894                 cms = CMS_compress(in, -1, flags);
 895                 }
 896         else if (operation == SMIME_ENCRYPT)
 897                 {
 898                 flags |= CMS_PARTIAL;
 899                 cms = CMS_encrypt(encerts, in, cipher, flags);
 900                 if (!cms)
 901                         goto end;
 902                 if (secret_key)
 903                         {
 904                         if (!CMS_add0_recipient_key(cms, NID_undef,
 905                                                 secret_key, secret_keylen,
 906                                                 secret_keyid, secret_keyidlen,
 907                                                 NULL, NULL, NULL))
 908                                 goto end;
 909                         /* NULL these because call absorbs them */
 910                         secret_key = NULL;
 911                         secret_keyid = NULL;
 912                         }
 913                 if (!(flags & CMS_STREAM))
 914                         {
 915                         if (!CMS_final(cms, in, NULL, flags))
 916                                 goto end;
 917                         }
 918                 }
 919         else if (operation == SMIME_ENCRYPTED_ENCRYPT)
 920                 {
 921                 cms = CMS_EncryptedData_encrypt(in, cipher,
 922                                                 secret_key, secret_keylen,
 923                                                 flags);
 924
 925                 }
 926         else if (operation == SMIME_SIGN_RECEIPT)
 927                 {
 928                 CMS_ContentInfo *srcms = NULL;
 929                 STACK_OF(CMS_SignerInfo) *sis;
 930                 CMS_SignerInfo *si;
 931                 sis = CMS_get0_SignerInfos(cms);
 932                 if (!sis)
 933                         goto end;
 934                 si = sk_CMS_SignerInfo_value(sis, 0);
 935                 srcms = CMS_sign_receipt(si, signer, key, other, flags);
 936                 if (!srcms)
 937                         goto end;
 938                 CMS_ContentInfo_free(cms);
 939                 cms = srcms;
 940                 }
 941         else if (operation & SMIME_SIGNERS)
 942                 {
 943                 int i;
 944                 /* If detached data content we enable streaming if
 945                  * S/MIME output format.
 946                  */
 947                 if (operation == SMIME_SIGN)
 948                         {
 949
 950                         if (flags & CMS_DETACHED)
 951                                 {
 952                                 if (outformat == FORMAT_SMIME)
 953                                         flags |= CMS_STREAM;
 954                                 }
 955                         flags |= CMS_PARTIAL;
 956                         cms = CMS_sign(NULL, NULL, other, in, flags);
 957                         if (!cms)
 958                                 goto end;
 959                         if (econtent_type)
 960                                 CMS_set1_eContentType(cms, econtent_type);
 961
 962                         if (rr_to)
 963                                 {
 964                                 rr = make_receipt_request(rr_to, rr_allorfirst,
 965                                                                 rr_from);
 966                                 if (!rr)
 967                                         {
 968                                         BIO_puts(bio_err,
 969                                 "Signed Receipt Request Creation Error\n");
 970                                         goto end;
 971                                         }
 972                                 }
 973                         }
 974                 else
 975                         flags |= CMS_REUSE_DIGEST;
 976                 for (i = 0; i < sk_num(sksigners); i++)
 977                         {
 978                         CMS_SignerInfo *si;
 979                         signerfile = sk_value(sksigners, i);
 980                         keyfile = sk_value(skkeys, i);
 981                         signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
 982                                         e, "signer certificate");
 983                         if (!signer)
 984                                 goto end;
 985                         key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 986                                "signing key file");
 987                         if (!key)
 988                                 goto end;
 989                         si = CMS_add1_signer(cms, signer, key, sign_md, flags);
 990                         if (!si)
 991                                 goto end;
 992                         if (rr && !CMS_add1_ReceiptRequest(si, rr))
 993                                 goto end;
 994                         X509_free(signer);
 995                         signer = NULL;
 996                         EVP_PKEY_free(key);
 997                         key = NULL;
 998                         }
 999                 /* If not streaming or resigning finalize structure */
1000                 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1001                         {
1002                         if (!CMS_final(cms, in, NULL, flags))
1003                                 goto end;
1004                         }
1005                 }
1006
1007         if (!cms)
1008                 {
1009                 BIO_printf(bio_err, "Error creating CMS structure\n");
1010                 goto end;
1011                 }
1012
1013         ret = 4;
1014         if (operation == SMIME_DECRYPT)
1015                 {
1016
1017                 if (secret_key)
1018                         {
1019                         if (!CMS_decrypt_set1_key(cms,
1020                                                 secret_key, secret_keylen,
1021                                                 secret_keyid, secret_keyidlen))
1022                                 {
1023                                 BIO_puts(bio_err,
1024                                         "Error decrypting CMS using secret key\n");
1025                                 goto end;
1026                                 }
1027                         }
1028
1029                 if (key)
1030                         {
1031                         if (!CMS_decrypt_set1_pkey(cms, key, recip))
1032                                 {
1033                                 BIO_puts(bio_err,
1034                                         "Error decrypting CMS using private key\n");
1035                                 goto end;
1036                                 }
1037                         }
1038
1039                 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1040                         {
1041                         BIO_printf(bio_err, "Error decrypting CMS structure\n");
1042                         goto end;
1043                         }
1044                 }
1045         else if (operation == SMIME_DATAOUT)
1046                 {
1047                 if (!CMS_data(cms, out, flags))
1048                         goto end;
1049                 }
1050         else if (operation == SMIME_UNCOMPRESS)
1051                 {
1052                 if (!CMS_uncompress(cms, indata, out, flags))
1053                         goto end;
1054                 }
1055         else if (operation == SMIME_DIGEST_VERIFY)
1056                 {
1057                 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1058                         BIO_printf(bio_err, "Verification successful\n");
1059                 else
1060                         {
1061                         BIO_printf(bio_err, "Verification failure\n");
1062                         goto end;
1063                         }
1064                 }
1065         else if (operation == SMIME_ENCRYPTED_DECRYPT)
1066                 {
1067                 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1068                                                 indata, out, flags))
1069                         goto end;
1070                 }
1071         else if (operation == SMIME_VERIFY)
1072                 {
1073                 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1074                         BIO_printf(bio_err, "Verification successful\n");
1075                 else
1076                         {
1077                         BIO_printf(bio_err, "Verification failure\n");
1078                         goto end;
1079                         }
1080                 if (signerfile)
1081                         {
1082                         STACK_OF(X509) *signers;
1083                         signers = CMS_get0_signers(cms);
1084                         if (!save_certs(signerfile, signers))
1085                                 {
1086                                 BIO_printf(bio_err,
1087                                                 "Error writing signers to %s\n",
1088                                                                 signerfile);
1089                                 ret = 5;
1090                                 goto end;
1091                                 }
1092                         sk_X509_free(signers);
1093                         }
1094                 if (rr_print)
1095                         receipt_request_print(bio_err, cms);
1096
1097                 }
1098         else if (operation == SMIME_VERIFY_RECEIPT)
1099                 {
1100                 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1101                         BIO_printf(bio_err, "Verification successful\n");
1102                 else
1103                         {
1104                         BIO_printf(bio_err, "Verification failure\n");
1105                         goto end;
1106                         }
1107                 }
1108         else
1109                 {
1110                 if (outformat == FORMAT_SMIME)
1111                         {
1112                         if (to)
1113                                 BIO_printf(out, "To: %s\n", to);
1114                         if (from)
1115                                 BIO_printf(out, "From: %s\n", from);
1116                         if (subject)
1117                                 BIO_printf(out, "Subject: %s\n", subject);
1118                         if (operation == SMIME_RESIGN)
1119                                 ret = SMIME_write_CMS(out, cms, indata, flags);
1120                         else
1121                                 ret = SMIME_write_CMS(out, cms, in, flags);
1122                         }
1123                 else if (outformat == FORMAT_PEM)
1124                         ret = PEM_write_bio_CMS(out, cms);
1125                 else if (outformat == FORMAT_ASN1)
1126                         ret = i2d_CMS_bio(out,cms);
1127                 else
1128                         {
1129                         BIO_printf(bio_err, "Bad output format for CMS file\n");
1130                         goto end;
1131                         }
1132                 if (ret <= 0)
1133                         {
1134                         ret = 6;
1135                         goto end;
1136                         }
1137                 }
1138         ret = 0;
1139 end:
1140         if (ret)
1141                 ERR_print_errors(bio_err);
1142         if (need_rand)
1143                 app_RAND_write_file(NULL, bio_err);
1144         sk_X509_pop_free(encerts, X509_free);
1145         sk_X509_pop_free(other, X509_free);
1146         if (vpm)
1147                 X509_VERIFY_PARAM_free(vpm);
1148         if (sksigners)
1149                 sk_free(sksigners);
1150         if (skkeys)
1151                 sk_free(skkeys);
1152         if (secret_key)
1153                 OPENSSL_free(secret_key);
1154         if (secret_keyid)
1155                 OPENSSL_free(secret_keyid);
1156         if (econtent_type)
1157                 ASN1_OBJECT_free(econtent_type);
1158         if (rr)
1159                 CMS_ReceiptRequest_free(rr);
1160         if (rr_to)
1161                 sk_free(rr_to);
1162         if (rr_from)
1163                 sk_free(rr_from);
1164         X509_STORE_free(store);
1165         X509_free(cert);
1166         X509_free(recip);
1167         X509_free(signer);
1168         EVP_PKEY_free(key);
1169         CMS_ContentInfo_free(cms);
1170         CMS_ContentInfo_free(rcms);
1171         BIO_free(rctin);
1172         BIO_free(in);
1173         BIO_free(indata);
1174         BIO_free_all(out);
1175         if (passin) OPENSSL_free(passin);
1176         return (ret);
1177 }
1178
1179 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1180         {
1181         int i;
1182         BIO *tmp;
1183         if (!signerfile)
1184                 return 1;
1185         tmp = BIO_new_file(signerfile, "w");
1186         if (!tmp) return 0;
1187         for(i = 0; i < sk_X509_num(signers); i++)
1188                 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1189         BIO_free(tmp);
1190         return 1;
1191         }
1192
1193
1194 /* Minimal callback just to output policy info (if any) */
1195
1196 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1197         {
1198         int error;
1199
1200         error = X509_STORE_CTX_get_error(ctx);
1201
1202         if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1203                 && ((error != X509_V_OK) || (ok != 2)))
1204                 return ok;
1205
1206         policies_print(NULL, ctx);
1207
1208         return ok;
1209
1210         }
1211
1212 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1213         {
1214         STACK_OF(GENERAL_NAME) *gens;
1215         GENERAL_NAME *gen;
1216         int i, j;
1217         for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1218                 {
1219                 gens = sk_GENERAL_NAMES_value(gns, i);
1220                 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1221                         {
1222                         gen = sk_GENERAL_NAME_value(gens, j);
1223                         BIO_puts(out, "    ");
1224                         GENERAL_NAME_print(out, gen);
1225                         BIO_puts(out, "\n");
1226                         }
1227                 }
1228         return;
1229         }
1230
1231 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1232         {
1233         STACK_OF(CMS_SignerInfo) *sis;
1234         CMS_SignerInfo *si;
1235         CMS_ReceiptRequest *rr;
1236         int allorfirst;
1237         STACK_OF(GENERAL_NAMES) *rto, *rlist;
1238         ASN1_STRING *scid;
1239         int i, rv;
1240         sis = CMS_get0_SignerInfos(cms);
1241         for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1242                 {
1243                 si = sk_CMS_SignerInfo_value(sis, i);
1244                 rv = CMS_get1_ReceiptRequest(si, &rr);
1245                 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1246                 if (rv == 0)
1247                         BIO_puts(bio_err, "  No Receipt Request\n");
1248                 else if (rv < 0)
1249                         {
1250                         BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1251                         ERR_print_errors(bio_err);
1252                         }
1253                 else
1254                         {
1255                         char *id;
1256                         int idlen;
1257                         CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1258                                                         &rlist, &rto);
1259                         BIO_puts(out, "  Signed Content ID:\n");
1260                         idlen = ASN1_STRING_length(scid);
1261                         id = (char *)ASN1_STRING_data(scid);
1262                         BIO_dump_indent(out, id, idlen, 4);
1263                         BIO_puts(out, "  Receipts From");
1264                         if (rlist)
1265                                 {
1266                                 BIO_puts(out, " List:\n");
1267                                 gnames_stack_print(out, rlist);
1268                                 }
1269                         else if (allorfirst == 1)
1270                                 BIO_puts(out, ": First Tier\n");
1271                         else if (allorfirst == 0)
1272                                 BIO_puts(out, ": All\n");
1273                         else
1274                                 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1275                         BIO_puts(out, "  Receipts To:\n");
1276                         gnames_stack_print(out, rto);
1277                         }
1278                 if (rr)
1279                         CMS_ReceiptRequest_free(rr);
1280                 }
1281         }
1282
1283 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK *ns)
1284         {
1285         int i;
1286         STACK_OF(GENERAL_NAMES) *ret;
1287         GENERAL_NAMES *gens = NULL;
1288         GENERAL_NAME *gen = NULL;
1289         ret = sk_GENERAL_NAMES_new_null();
1290         if (!ret)
1291                 goto err;
1292         for (i = 0; i < sk_num(ns); i++)
1293                 {
1294                 CONF_VALUE cnf;
1295                 cnf.name = "email";
1296                 cnf.value = sk_value(ns, i);
1297                 gen = v2i_GENERAL_NAME(NULL, NULL, &cnf);
1298                 if (!gen)
1299                         goto err;
1300                 gens = GENERAL_NAMES_new();
1301                 if (!gens)
1302                         goto err;
1303                 if (!sk_GENERAL_NAME_push(gens, gen))
1304                         goto err;
1305                 gen = NULL;
1306                 if (!sk_GENERAL_NAMES_push(ret, gens))
1307                         goto err;
1308                 gens = NULL;
1309                 }
1310
1311         return ret;
1312
1313         err:
1314         if (ret)
1315                 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1316         if (gens)
1317                 GENERAL_NAMES_free(gens);
1318         if (gen)
1319                 GENERAL_NAME_free(gen);
1320         return NULL;
1321         }
1322
1323
1324 static CMS_ReceiptRequest *make_receipt_request(STACK *rr_to, int rr_allorfirst,
1325                                                                 STACK *rr_from)
1326         {
1327         STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1328         CMS_ReceiptRequest *rr;
1329         rct_to = make_names_stack(rr_to);
1330         if (!rct_to)
1331                 goto err;
1332         if (rr_from)
1333                 {
1334                 rct_from = make_names_stack(rr_from);
1335                 if (!rct_from)
1336                         goto err;
1337                 }
1338         else
1339                 rct_from = NULL;
1340         rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1341                                                 rct_to);
1342         return rr;
1343         err:
1344         return NULL;
1345         }
1346
1347 #endif