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_OF(STRING) *rr_to,
  75                                                 int rr_allorfirst,
  76                                                 STACK_OF(STRING) *rr_from);
  77
  78 #define SMIME_OP        0x10
  79 #define SMIME_IP        0x20
  80 #define SMIME_SIGNERS   0x40
  81 #define SMIME_ENCRYPT           (1 | SMIME_OP)
  82 #define SMIME_DECRYPT           (2 | SMIME_IP)
  83 #define SMIME_SIGN              (3 | SMIME_OP | SMIME_SIGNERS)
  84 #define SMIME_VERIFY            (4 | SMIME_IP)
  85 #define SMIME_CMSOUT            (5 | SMIME_IP | SMIME_OP)
  86 #define SMIME_RESIGN            (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS)
  87 #define SMIME_DATAOUT           (7 | SMIME_IP)
  88 #define SMIME_DATA_CREATE       (8 | SMIME_OP)
  89 #define SMIME_DIGEST_VERIFY     (9 | SMIME_IP)
  90 #define SMIME_DIGEST_CREATE     (10 | SMIME_OP)
  91 #define SMIME_UNCOMPRESS        (11 | SMIME_IP)
  92 #define SMIME_COMPRESS          (12 | SMIME_OP)
  93 #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP)
  94 #define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP)
  95 #define SMIME_SIGN_RECEIPT      (15 | SMIME_IP | SMIME_OP)
  96 #define SMIME_VERIFY_RECEIPT    (16 | SMIME_IP)
  97
  98 int verify_err = 0;
  99
 100 int MAIN(int, char **);
 101
 102 int MAIN(int argc, char **argv)
 103         {
 104         ENGINE *e = NULL;
 105         int operation = 0;
 106         int ret = 0;
 107         char **args;
 108         const char *inmode = "r", *outmode = "w";
 109         char *infile = NULL, *outfile = NULL, *rctfile = NULL;
 110         char *signerfile = NULL, *recipfile = NULL;
 111         STACK_OF(STRING) *sksigners = NULL, *skkeys = NULL;
 112         char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
 113         char *certsoutfile = NULL;
 114         const EVP_CIPHER *cipher = NULL;
 115         CMS_ContentInfo *cms = NULL, *rcms = NULL;
 116         X509_STORE *store = NULL;
 117         X509 *cert = NULL, *recip = NULL, *signer = NULL;
 118         EVP_PKEY *key = NULL;
 119         STACK_OF(X509) *encerts = NULL, *other = NULL;
 120         BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
 121         int badarg = 0;
 122         int flags = CMS_DETACHED, noout = 0, print = 0;
 123         int verify_retcode = 0;
 124         int rr_print = 0, rr_allorfirst = -1;
 125         STACK_OF(STRING) *rr_to = NULL, *rr_from = NULL;
 126         CMS_ReceiptRequest *rr = NULL;
 127         char *to = NULL, *from = NULL, *subject = NULL;
 128         char *CAfile = NULL, *CApath = NULL;
 129         char *passargin = NULL, *passin = NULL;
 130         char *inrand = NULL;
 131         int need_rand = 0;
 132         const EVP_MD *sign_md = NULL;
 133         int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
 134         int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
 135 #ifndef OPENSSL_NO_ENGINE
 136         char *engine=NULL;
 137 #endif
 138         unsigned char *secret_key = NULL, *secret_keyid = NULL;
 139         size_t secret_keylen = 0, secret_keyidlen = 0;
 140
 141         ASN1_OBJECT *econtent_type = NULL;
 142
 143         X509_VERIFY_PARAM *vpm = NULL;
 144
 145         args = argv + 1;
 146         ret = 1;
 147
 148         apps_startup();
 149
 150         if (bio_err == NULL)
 151                 {
 152                 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 153                         BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
 154                 }
 155
 156         if (!load_config(bio_err, NULL))
 157                 goto end;
 158
 159         while (!badarg && *args && *args[0] == '-')
 160                 {
 161                 if (!strcmp (*args, "-encrypt"))
 162                         operation = SMIME_ENCRYPT;
 163                 else if (!strcmp (*args, "-decrypt"))
 164                         operation = SMIME_DECRYPT;
 165                 else if (!strcmp (*args, "-sign"))
 166                         operation = SMIME_SIGN;
 167                 else if (!strcmp (*args, "-sign_receipt"))
 168                         operation = SMIME_SIGN_RECEIPT;
 169                 else if (!strcmp (*args, "-resign"))
 170                         operation = SMIME_RESIGN;
 171                 else if (!strcmp (*args, "-verify"))
 172                         operation = SMIME_VERIFY;
 173                 else if (!strcmp (*args, "-verify_retcode"))
 174                         verify_retcode = 1;
 175                 else if (!strcmp(*args,"-verify_receipt"))
 176                         {
 177                         operation = SMIME_VERIFY_RECEIPT;
 178                         if (!args[1])
 179                                 goto argerr;
 180                         args++;
 181                         rctfile = *args;
 182                         }
 183                 else if (!strcmp (*args, "-cmsout"))
 184                         operation = SMIME_CMSOUT;
 185                 else if (!strcmp (*args, "-data_out"))
 186                         operation = SMIME_DATAOUT;
 187                 else if (!strcmp (*args, "-data_create"))
 188                         operation = SMIME_DATA_CREATE;
 189                 else if (!strcmp (*args, "-digest_verify"))
 190                         operation = SMIME_DIGEST_VERIFY;
 191                 else if (!strcmp (*args, "-digest_create"))
 192                         operation = SMIME_DIGEST_CREATE;
 193                 else if (!strcmp (*args, "-compress"))
 194                         operation = SMIME_COMPRESS;
 195                 else if (!strcmp (*args, "-uncompress"))
 196                         operation = SMIME_UNCOMPRESS;
 197                 else if (!strcmp (*args, "-EncryptedData_decrypt"))
 198                         operation = SMIME_ENCRYPTED_DECRYPT;
 199                 else if (!strcmp (*args, "-EncryptedData_encrypt"))
 200                         operation = SMIME_ENCRYPTED_ENCRYPT;
 201 #ifndef OPENSSL_NO_DES
 202                 else if (!strcmp (*args, "-des3"))
 203                                 cipher = EVP_des_ede3_cbc();
 204                 else if (!strcmp (*args, "-des"))
 205                                 cipher = EVP_des_cbc();
 206 #endif
 207 #ifndef OPENSSL_NO_SEED
 208                 else if (!strcmp (*args, "-seed"))
 209                                 cipher = EVP_seed_cbc();
 210 #endif
 211 #ifndef OPENSSL_NO_RC2
 212                 else if (!strcmp (*args, "-rc2-40"))
 213                                 cipher = EVP_rc2_40_cbc();
 214                 else if (!strcmp (*args, "-rc2-128"))
 215                                 cipher = EVP_rc2_cbc();
 216                 else if (!strcmp (*args, "-rc2-64"))
 217                                 cipher = EVP_rc2_64_cbc();
 218 #endif
 219 #ifndef OPENSSL_NO_AES
 220                 else if (!strcmp(*args,"-aes128"))
 221                                 cipher = EVP_aes_128_cbc();
 222                 else if (!strcmp(*args,"-aes192"))
 223                                 cipher = EVP_aes_192_cbc();
 224                 else if (!strcmp(*args,"-aes256"))
 225                                 cipher = EVP_aes_256_cbc();
 226 #endif
 227 #ifndef OPENSSL_NO_CAMELLIA
 228                 else if (!strcmp(*args,"-camellia128"))
 229                                 cipher = EVP_camellia_128_cbc();
 230                 else if (!strcmp(*args,"-camellia192"))
 231                                 cipher = EVP_camellia_192_cbc();
 232                 else if (!strcmp(*args,"-camellia256"))
 233                                 cipher = EVP_camellia_256_cbc();
 234 #endif
 235                 else if (!strcmp (*args, "-text"))
 236                                 flags |= CMS_TEXT;
 237                 else if (!strcmp (*args, "-nointern"))
 238                                 flags |= CMS_NOINTERN;
 239                 else if (!strcmp (*args, "-noverify")
 240                         || !strcmp (*args, "-no_signer_cert_verify"))
 241                                 flags |= CMS_NO_SIGNER_CERT_VERIFY;
 242                 else if (!strcmp (*args, "-nocerts"))
 243                                 flags |= CMS_NOCERTS;
 244                 else if (!strcmp (*args, "-noattr"))
 245                                 flags |= CMS_NOATTR;
 246                 else if (!strcmp (*args, "-nodetach"))
 247                                 flags &= ~CMS_DETACHED;
 248                 else if (!strcmp (*args, "-nosmimecap"))
 249                                 flags |= CMS_NOSMIMECAP;
 250                 else if (!strcmp (*args, "-binary"))
 251                                 flags |= CMS_BINARY;
 252                 else if (!strcmp (*args, "-keyid"))
 253                                 flags |= CMS_USE_KEYID;
 254                 else if (!strcmp (*args, "-nosigs"))
 255                                 flags |= CMS_NOSIGS;
 256                 else if (!strcmp (*args, "-no_content_verify"))
 257                                 flags |= CMS_NO_CONTENT_VERIFY;
 258                 else if (!strcmp (*args, "-no_attr_verify"))
 259                                 flags |= CMS_NO_ATTR_VERIFY;
 260                 else if (!strcmp (*args, "-stream"))
 261                                 flags |= CMS_STREAM;
 262                 else if (!strcmp (*args, "-indef"))
 263                                 flags |= CMS_STREAM;
 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, "-noout"))
 271                                 noout = 1;
 272                 else if (!strcmp (*args, "-receipt_request_print"))
 273                                 rr_print = 1;
 274                 else if (!strcmp (*args, "-receipt_request_all"))
 275                                 rr_allorfirst = 0;
 276                 else if (!strcmp (*args, "-receipt_request_first"))
 277                                 rr_allorfirst = 1;
 278                 else if (!strcmp(*args,"-receipt_request_from"))
 279                         {
 280                         if (!args[1])
 281                                 goto argerr;
 282                         args++;
 283                         if (!rr_from)
 284                                 rr_from = sk_STRING_new_null();
 285                         sk_STRING_push(rr_from, *args);
 286                         }
 287                 else if (!strcmp(*args,"-receipt_request_to"))
 288                         {
 289                         if (!args[1])
 290                                 goto argerr;
 291                         args++;
 292                         if (!rr_to)
 293                                 rr_to = sk_STRING_new_null();
 294                         sk_STRING_push(rr_to, *args);
 295                         }
 296                 else if (!strcmp (*args, "-print"))
 297                                 {
 298                                 noout = 1;
 299                                 print = 1;
 300                                 }
 301                 else if (!strcmp(*args,"-secretkey"))
 302                         {
 303                         long ltmp;
 304                         if (!args[1])
 305                                 goto argerr;
 306                         args++;
 307                         secret_key = string_to_hex(*args, &ltmp);
 308                         if (!secret_key)
 309                                 {
 310                                 BIO_printf(bio_err, "Invalid key %s\n", *args);
 311                                 goto argerr;
 312                                 }
 313                         secret_keylen = (size_t)ltmp;
 314                         }
 315                 else if (!strcmp(*args,"-secretkeyid"))
 316                         {
 317                         long ltmp;
 318                         if (!args[1])
 319                                 goto argerr;
 320                         args++;
 321                         secret_keyid = string_to_hex(*args, &ltmp);
 322                         if (!secret_keyid)
 323                                 {
 324                                 BIO_printf(bio_err, "Invalid id %s\n", *args);
 325                                 goto argerr;
 326                                 }
 327                         secret_keyidlen = (size_t)ltmp;
 328                         }
 329                 else if (!strcmp(*args,"-econtent_type"))
 330                         {
 331                         if (!args[1])
 332                                 goto argerr;
 333                         args++;
 334                         econtent_type = OBJ_txt2obj(*args, 0);
 335                         if (!econtent_type)
 336                                 {
 337                                 BIO_printf(bio_err, "Invalid OID %s\n", *args);
 338                                 goto argerr;
 339                                 }
 340                         }
 341                 else if (!strcmp(*args,"-rand"))
 342                         {
 343                         if (!args[1])
 344                                 goto argerr;
 345                         args++;
 346                         inrand = *args;
 347                         need_rand = 1;
 348                         }
 349 #ifndef OPENSSL_NO_ENGINE
 350                 else if (!strcmp(*args,"-engine"))
 351                         {
 352                         if (!args[1])
 353                                 goto argerr;
 354                         engine = *++args;
 355                         }
 356 #endif
 357                 else if (!strcmp(*args,"-passin"))
 358                         {
 359                         if (!args[1])
 360                                 goto argerr;
 361                         passargin = *++args;
 362                         }
 363                 else if (!strcmp (*args, "-to"))
 364                         {
 365                         if (!args[1])
 366                                 goto argerr;
 367                         to = *++args;
 368                         }
 369                 else if (!strcmp (*args, "-from"))
 370                         {
 371                         if (!args[1])
 372                                 goto argerr;
 373                         from = *++args;
 374                         }
 375                 else if (!strcmp (*args, "-subject"))
 376                         {
 377                         if (!args[1])
 378                                 goto argerr;
 379                         subject = *++args;
 380                         }
 381                 else if (!strcmp (*args, "-signer"))
 382                         {
 383                         if (!args[1])
 384                                 goto argerr;
 385                         /* If previous -signer argument add signer to list */
 386
 387                         if (signerfile)
 388                                 {
 389                                 if (!sksigners)
 390                                         sksigners = sk_STRING_new_null();
 391                                 sk_STRING_push(sksigners, signerfile);
 392                                 if (!keyfile)
 393                                         keyfile = signerfile;
 394                                 if (!skkeys)
 395                                         skkeys = sk_STRING_new_null();
 396                                 sk_STRING_push(skkeys, keyfile);
 397                                 keyfile = NULL;
 398                                 }
 399                         signerfile = *++args;
 400                         }
 401                 else if (!strcmp (*args, "-recip"))
 402                         {
 403                         if (!args[1])
 404                                 goto argerr;
 405                         recipfile = *++args;
 406                         }
 407                 else if (!strcmp (*args, "-certsout"))
 408                         {
 409                         if (!args[1])
 410                                 goto argerr;
 411                         certsoutfile = *++args;
 412                         }
 413                 else if (!strcmp (*args, "-md"))
 414                         {
 415                         if (!args[1])
 416                                 goto argerr;
 417                         sign_md = EVP_get_digestbyname(*++args);
 418                         if (sign_md == NULL)
 419                                 {
 420                                 BIO_printf(bio_err, "Unknown digest %s\n",
 421                                                         *args);
 422                                 goto argerr;
 423                                 }
 424                         }
 425                 else if (!strcmp (*args, "-inkey"))
 426                         {
 427                         if (!args[1])
 428                                 goto argerr;
 429                         /* If previous -inkey arument add signer to list */
 430                         if (keyfile)
 431                                 {
 432                                 if (!signerfile)
 433                                         {
 434                                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 435                                         goto argerr;
 436                                         }
 437                                 if (!sksigners)
 438                                         sksigners = sk_STRING_new_null();
 439                                 sk_STRING_push(sksigners, signerfile);
 440                                 signerfile = NULL;
 441                                 if (!skkeys)
 442                                         skkeys = sk_STRING_new_null();
 443                                 sk_STRING_push(skkeys, keyfile);
 444                                 }
 445                         keyfile = *++args;
 446                         }
 447                 else if (!strcmp (*args, "-keyform"))
 448                         {
 449                         if (!args[1])
 450                                 goto argerr;
 451                         keyform = str2fmt(*++args);
 452                         }
 453                 else if (!strcmp (*args, "-rctform"))
 454                         {
 455                         if (!args[1])
 456                                 goto argerr;
 457                         rctformat = str2fmt(*++args);
 458                         }
 459                 else if (!strcmp (*args, "-certfile"))
 460                         {
 461                         if (!args[1])
 462                                 goto argerr;
 463                         certfile = *++args;
 464                         }
 465                 else if (!strcmp (*args, "-CAfile"))
 466                         {
 467                         if (!args[1])
 468                                 goto argerr;
 469                         CAfile = *++args;
 470                         }
 471                 else if (!strcmp (*args, "-CApath"))
 472                         {
 473                         if (!args[1])
 474                                 goto argerr;
 475                         CApath = *++args;
 476                         }
 477                 else if (!strcmp (*args, "-in"))
 478                         {
 479                         if (!args[1])
 480                                 goto argerr;
 481                         infile = *++args;
 482                         }
 483                 else if (!strcmp (*args, "-inform"))
 484                         {
 485                         if (!args[1])
 486                                 goto argerr;
 487                         informat = str2fmt(*++args);
 488                         }
 489                 else if (!strcmp (*args, "-outform"))
 490                         {
 491                         if (!args[1])
 492                                 goto argerr;
 493                         outformat = str2fmt(*++args);
 494                         }
 495                 else if (!strcmp (*args, "-out"))
 496                         {
 497                         if (!args[1])
 498                                 goto argerr;
 499                         outfile = *++args;
 500                         }
 501                 else if (!strcmp (*args, "-content"))
 502                         {
 503                         if (!args[1])
 504                                 goto argerr;
 505                         contfile = *++args;
 506                         }
 507                 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
 508                         continue;
 509                 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
 510                         badarg = 1;
 511                 args++;
 512                 }
 513
 514         if (((rr_allorfirst != -1) || rr_from) && !rr_to)
 515                 {
 516                 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
 517                 goto argerr;
 518                 }
 519
 520         if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
 521                 {
 522                 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
 523                 goto argerr;
 524                 }
 525         if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
 526                 {
 527                 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
 528                 goto argerr;
 529                 }
 530
 531         if (operation & SMIME_SIGNERS)
 532                 {
 533                 if (keyfile && !signerfile)
 534                         {
 535                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 536                         goto argerr;
 537                         }
 538                 /* Check to see if any final signer needs to be appended */
 539                 if (signerfile)
 540                         {
 541                         if (!sksigners)
 542                                 sksigners = sk_STRING_new_null();
 543                         sk_STRING_push(sksigners, signerfile);
 544                         if (!skkeys)
 545                                 skkeys = sk_STRING_new_null();
 546                         if (!keyfile)
 547                                 keyfile = signerfile;
 548                         sk_STRING_push(skkeys, keyfile);
 549                         }
 550                 if (!sksigners)
 551                         {
 552                         BIO_printf(bio_err, "No signer certificate specified\n");
 553                         badarg = 1;
 554                         }
 555                 signerfile = NULL;
 556                 keyfile = NULL;
 557                 need_rand = 1;
 558                 }
 559
 560         else if (operation == SMIME_DECRYPT)
 561                 {
 562                 if (!recipfile && !keyfile && !secret_key)
 563                         {
 564                         BIO_printf(bio_err, "No recipient certificate or key specified\n");
 565                         badarg = 1;
 566                         }
 567                 }
 568         else if (operation == SMIME_ENCRYPT)
 569                 {
 570                 if (!*args && !secret_key)
 571                         {
 572                         BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
 573                         badarg = 1;
 574                         }
 575                 need_rand = 1;
 576                 }
 577         else if (!operation)
 578                 badarg = 1;
 579
 580         if (badarg)
 581                 {
 582                 argerr:
 583                 BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
 584                 BIO_printf (bio_err, "where options are\n");
 585                 BIO_printf (bio_err, "-encrypt       encrypt message\n");
 586                 BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
 587                 BIO_printf (bio_err, "-sign          sign message\n");
 588                 BIO_printf (bio_err, "-verify        verify signed message\n");
 589                 BIO_printf (bio_err, "-cmsout        output CMS structure\n");
 590 #ifndef OPENSSL_NO_DES
 591                 BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
 592                 BIO_printf (bio_err, "-des           encrypt with DES\n");
 593 #endif
 594 #ifndef OPENSSL_NO_SEED
 595                 BIO_printf (bio_err, "-seed          encrypt with SEED\n");
 596 #endif
 597 #ifndef OPENSSL_NO_RC2
 598                 BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
 599                 BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
 600                 BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
 601 #endif
 602 #ifndef OPENSSL_NO_AES
 603                 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
 604                 BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
 605 #endif
 606 #ifndef OPENSSL_NO_CAMELLIA
 607                 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
 608                 BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
 609 #endif
 610                 BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
 611                 BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
 612                 BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
 613                 BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
 614                 BIO_printf (bio_err, "-nodetach      use opaque signing\n");
 615                 BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
 616                 BIO_printf (bio_err, "-binary        don't translate message to text\n");
 617                 BIO_printf (bio_err, "-certfile file other certificates file\n");
 618                 BIO_printf (bio_err, "-certsout file certificate output file\n");
 619                 BIO_printf (bio_err, "-signer file   signer certificate file\n");
 620                 BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
 621                 BIO_printf (bio_err, "-skeyid        use subject key identifier\n");
 622                 BIO_printf (bio_err, "-in file       input file\n");
 623                 BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
 624                 BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
 625                 BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
 626                 BIO_printf (bio_err, "-out file      output file\n");
 627                 BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
 628                 BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
 629                 BIO_printf (bio_err, "-to addr       to address\n");
 630                 BIO_printf (bio_err, "-from ad       from address\n");
 631                 BIO_printf (bio_err, "-subject s     subject\n");
 632                 BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
 633                 BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
 634                 BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
 635                 BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
 636                 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
 637 #ifndef OPENSSL_NO_ENGINE
 638                 BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
 639 #endif
 640                 BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
 641                 BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 642                 BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
 643                 BIO_printf(bio_err,  "               the random number generator\n");
 644                 BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
 645                 goto end;
 646                 }
 647
 648 #ifndef OPENSSL_NO_ENGINE
 649         e = setup_engine(bio_err, engine, 0);
 650 #endif
 651
 652         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 653                 {
 654                 BIO_printf(bio_err, "Error getting password\n");
 655                 goto end;
 656                 }
 657
 658         if (need_rand)
 659                 {
 660                 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
 661                 if (inrand != NULL)
 662                         BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 663                                 app_RAND_load_files(inrand));
 664                 }
 665
 666         ret = 2;
 667
 668         if (!(operation & SMIME_SIGNERS))
 669                 flags &= ~CMS_DETACHED;
 670
 671         if (operation & SMIME_OP)
 672                 {
 673                 if (outformat == FORMAT_ASN1)
 674                         outmode = "wb";
 675                 }
 676         else
 677                 {
 678                 if (flags & CMS_BINARY)
 679                         outmode = "wb";
 680                 }
 681
 682         if (operation & SMIME_IP)
 683                 {
 684                 if (informat == FORMAT_ASN1)
 685                         inmode = "rb";
 686                 }
 687         else
 688                 {
 689                 if (flags & CMS_BINARY)
 690                         inmode = "rb";
 691                 }
 692
 693         if (operation == SMIME_ENCRYPT)
 694                 {
 695                 if (!cipher)
 696                         {
 697 #ifndef OPENSSL_NO_DES
 698                         cipher = EVP_des_ede3_cbc();
 699 #else
 700                         BIO_printf(bio_err, "No cipher selected\n");
 701                         goto end;
 702 #endif
 703                         }
 704
 705                 if (secret_key && !secret_keyid)
 706                         {
 707                         BIO_printf(bio_err, "No secret key id\n");
 708                         goto end;
 709                         }
 710
 711                 if (*args)
 712                         encerts = sk_X509_new_null();
 713                 while (*args)
 714                         {
 715                         if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
 716                                 NULL, e, "recipient certificate file")))
 717                                 goto end;
 718                         sk_X509_push(encerts, cert);
 719                         cert = NULL;
 720                         args++;
 721                         }
 722                 }
 723
 724         if (certfile)
 725                 {
 726                 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
 727                         e, "certificate file")))
 728                         {
 729                         ERR_print_errors(bio_err);
 730                         goto end;
 731                         }
 732                 }
 733
 734         if (recipfile && (operation == SMIME_DECRYPT))
 735                 {
 736                 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
 737                         e, "recipient certificate file")))
 738                         {
 739                         ERR_print_errors(bio_err);
 740                         goto end;
 741                         }
 742                 }
 743
 744         if (operation == SMIME_SIGN_RECEIPT)
 745                 {
 746                 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
 747                         e, "receipt signer certificate file")))
 748                         {
 749                         ERR_print_errors(bio_err);
 750                         goto end;
 751                         }
 752                 }
 753
 754         if (operation == SMIME_DECRYPT)
 755                 {
 756                 if (!keyfile)
 757                         keyfile = recipfile;
 758                 }
 759         else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
 760                 {
 761                 if (!keyfile)
 762                         keyfile = signerfile;
 763                 }
 764         else keyfile = NULL;
 765
 766         if (keyfile)
 767                 {
 768                 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 769                                "signing key file");
 770                 if (!key)
 771                         goto end;
 772                 }
 773
 774         if (infile)
 775                 {
 776                 if (!(in = BIO_new_file(infile, inmode)))
 777                         {
 778                         BIO_printf (bio_err,
 779                                  "Can't open input file %s\n", infile);
 780                         goto end;
 781                         }
 782                 }
 783         else
 784                 in = BIO_new_fp(stdin, BIO_NOCLOSE);
 785
 786         if (operation & SMIME_IP)
 787                 {
 788                 if (informat == FORMAT_SMIME)
 789                         cms = SMIME_read_CMS(in, &indata);
 790                 else if (informat == FORMAT_PEM)
 791                         cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
 792                 else if (informat == FORMAT_ASN1)
 793                         cms = d2i_CMS_bio(in, NULL);
 794                 else
 795                         {
 796                         BIO_printf(bio_err, "Bad input format for CMS file\n");
 797                         goto end;
 798                         }
 799
 800                 if (!cms)
 801                         {
 802                         BIO_printf(bio_err, "Error reading S/MIME message\n");
 803                         goto end;
 804                         }
 805                 if (contfile)
 806                         {
 807                         BIO_free(indata);
 808                         if (!(indata = BIO_new_file(contfile, "rb")))
 809                                 {
 810                                 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
 811                                 goto end;
 812                                 }
 813                         }
 814                 if (certsoutfile)
 815                         {
 816                         STACK_OF(X509) *allcerts;
 817                         allcerts = CMS_get1_certs(cms);
 818                         if (!save_certs(certsoutfile, allcerts))
 819                                 {
 820                                 BIO_printf(bio_err,
 821                                                 "Error writing certs to %s\n",
 822                                                                 certsoutfile);
 823                                 ret = 5;
 824                                 goto end;
 825                                 }
 826                         sk_X509_pop_free(allcerts, X509_free);
 827                         }
 828                 }
 829
 830         if (rctfile)
 831                 {
 832                 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
 833                 if (!(rctin = BIO_new_file(rctfile, rctmode)))
 834                         {
 835                         BIO_printf (bio_err,
 836                                  "Can't open receipt file %s\n", rctfile);
 837                         goto end;
 838                         }
 839
 840                 if (rctformat == FORMAT_SMIME)
 841                         rcms = SMIME_read_CMS(rctin, NULL);
 842                 else if (rctformat == FORMAT_PEM)
 843                         rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
 844                 else if (rctformat == FORMAT_ASN1)
 845                         rcms = d2i_CMS_bio(rctin, NULL);
 846                 else
 847                         {
 848                         BIO_printf(bio_err, "Bad input format for receipt\n");
 849                         goto end;
 850                         }
 851
 852                 if (!rcms)
 853                         {
 854                         BIO_printf(bio_err, "Error reading receipt\n");
 855                         goto end;
 856                         }
 857                 }
 858
 859         if (outfile)
 860                 {
 861                 if (!(out = BIO_new_file(outfile, outmode)))
 862                         {
 863                         BIO_printf (bio_err,
 864                                  "Can't open output file %s\n", outfile);
 865                         goto end;
 866                         }
 867                 }
 868         else
 869                 {
 870                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
 871 #ifdef OPENSSL_SYS_VMS
 872                 {
 873                     BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 874                     out = BIO_push(tmpbio, out);
 875                 }
 876 #endif
 877                 }
 878
 879         if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
 880                 {
 881                 if (!(store = setup_verify(bio_err, CAfile, CApath)))
 882                         goto end;
 883                 X509_STORE_set_verify_cb_func(store, cms_cb);
 884                 if (vpm)
 885                         X509_STORE_set1_param(store, vpm);
 886                 }
 887
 888
 889         ret = 3;
 890
 891         if (operation == SMIME_DATA_CREATE)
 892                 {
 893                 cms = CMS_data_create(in, flags);
 894                 }
 895         else if (operation == SMIME_DIGEST_CREATE)
 896                 {
 897                 cms = CMS_digest_create(in, sign_md, flags);
 898                 }
 899         else if (operation == SMIME_COMPRESS)
 900                 {
 901                 cms = CMS_compress(in, -1, flags);
 902                 }
 903         else if (operation == SMIME_ENCRYPT)
 904                 {
 905                 flags |= CMS_PARTIAL;
 906                 cms = CMS_encrypt(encerts, in, cipher, flags);
 907                 if (!cms)
 908                         goto end;
 909                 if (secret_key)
 910                         {
 911                         if (!CMS_add0_recipient_key(cms, NID_undef,
 912                                                 secret_key, secret_keylen,
 913                                                 secret_keyid, secret_keyidlen,
 914                                                 NULL, NULL, NULL))
 915                                 goto end;
 916                         /* NULL these because call absorbs them */
 917                         secret_key = NULL;
 918                         secret_keyid = NULL;
 919                         }
 920                 if (!(flags & CMS_STREAM))
 921                         {
 922                         if (!CMS_final(cms, in, NULL, flags))
 923                                 goto end;
 924                         }
 925                 }
 926         else if (operation == SMIME_ENCRYPTED_ENCRYPT)
 927                 {
 928                 cms = CMS_EncryptedData_encrypt(in, cipher,
 929                                                 secret_key, secret_keylen,
 930                                                 flags);
 931
 932                 }
 933         else if (operation == SMIME_SIGN_RECEIPT)
 934                 {
 935                 CMS_ContentInfo *srcms = NULL;
 936                 STACK_OF(CMS_SignerInfo) *sis;
 937                 CMS_SignerInfo *si;
 938                 sis = CMS_get0_SignerInfos(cms);
 939                 if (!sis)
 940                         goto end;
 941                 si = sk_CMS_SignerInfo_value(sis, 0);
 942                 srcms = CMS_sign_receipt(si, signer, key, other, flags);
 943                 if (!srcms)
 944                         goto end;
 945                 CMS_ContentInfo_free(cms);
 946                 cms = srcms;
 947                 }
 948         else if (operation & SMIME_SIGNERS)
 949                 {
 950                 int i;
 951                 /* If detached data content we enable streaming if
 952                  * S/MIME output format.
 953                  */
 954                 if (operation == SMIME_SIGN)
 955                         {
 956
 957                         if (flags & CMS_DETACHED)
 958                                 {
 959                                 if (outformat == FORMAT_SMIME)
 960                                         flags |= CMS_STREAM;
 961                                 }
 962                         flags |= CMS_PARTIAL;
 963                         cms = CMS_sign(NULL, NULL, other, in, flags);
 964                         if (!cms)
 965                                 goto end;
 966                         if (econtent_type)
 967                                 CMS_set1_eContentType(cms, econtent_type);
 968
 969                         if (rr_to)
 970                                 {
 971                                 rr = make_receipt_request(rr_to, rr_allorfirst,
 972                                                                 rr_from);
 973                                 if (!rr)
 974                                         {
 975                                         BIO_puts(bio_err,
 976                                 "Signed Receipt Request Creation Error\n");
 977                                         goto end;
 978                                         }
 979                                 }
 980                         }
 981                 else
 982                         flags |= CMS_REUSE_DIGEST;
 983                 for (i = 0; i < sk_STRING_num(sksigners); i++)
 984                         {
 985                         CMS_SignerInfo *si;
 986                         signerfile = sk_STRING_value(sksigners, i);
 987                         keyfile = sk_STRING_value(skkeys, i);
 988                         signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
 989                                         e, "signer certificate");
 990                         if (!signer)
 991                                 goto end;
 992                         key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 993                                "signing key file");
 994                         if (!key)
 995                                 goto end;
 996                         si = CMS_add1_signer(cms, signer, key, sign_md, flags);
 997                         if (!si)
 998                                 goto end;
 999                         if (rr && !CMS_add1_ReceiptRequest(si, rr))
1000                                 goto end;
1001                         X509_free(signer);
1002                         signer = NULL;
1003                         EVP_PKEY_free(key);
1004                         key = NULL;
1005                         }
1006                 /* If not streaming or resigning finalize structure */
1007                 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1008                         {
1009                         if (!CMS_final(cms, in, NULL, flags))
1010                                 goto end;
1011                         }
1012                 }
1013
1014         if (!cms)
1015                 {
1016                 BIO_printf(bio_err, "Error creating CMS structure\n");
1017                 goto end;
1018                 }
1019
1020         ret = 4;
1021         if (operation == SMIME_DECRYPT)
1022                 {
1023
1024                 if (secret_key)
1025                         {
1026                         if (!CMS_decrypt_set1_key(cms,
1027                                                 secret_key, secret_keylen,
1028                                                 secret_keyid, secret_keyidlen))
1029                                 {
1030                                 BIO_puts(bio_err,
1031                                         "Error decrypting CMS using secret key\n");
1032                                 goto end;
1033                                 }
1034                         }
1035
1036                 if (key)
1037                         {
1038                         if (!CMS_decrypt_set1_pkey(cms, key, recip))
1039                                 {
1040                                 BIO_puts(bio_err,
1041                                         "Error decrypting CMS using private key\n");
1042                                 goto end;
1043                                 }
1044                         }
1045
1046                 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1047                         {
1048                         BIO_printf(bio_err, "Error decrypting CMS structure\n");
1049                         goto end;
1050                         }
1051                 }
1052         else if (operation == SMIME_DATAOUT)
1053                 {
1054                 if (!CMS_data(cms, out, flags))
1055                         goto end;
1056                 }
1057         else if (operation == SMIME_UNCOMPRESS)
1058                 {
1059                 if (!CMS_uncompress(cms, indata, out, flags))
1060                         goto end;
1061                 }
1062         else if (operation == SMIME_DIGEST_VERIFY)
1063                 {
1064                 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1065                         BIO_printf(bio_err, "Verification successful\n");
1066                 else
1067                         {
1068                         BIO_printf(bio_err, "Verification failure\n");
1069                         goto end;
1070                         }
1071                 }
1072         else if (operation == SMIME_ENCRYPTED_DECRYPT)
1073                 {
1074                 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1075                                                 indata, out, flags))
1076                         goto end;
1077                 }
1078         else if (operation == SMIME_VERIFY)
1079                 {
1080                 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1081                         BIO_printf(bio_err, "Verification successful\n");
1082                 else
1083                         {
1084                         BIO_printf(bio_err, "Verification failure\n");
1085                         if (verify_retcode)
1086                                 ret = verify_err + 32;
1087                         goto end;
1088                         }
1089                 if (signerfile)
1090                         {
1091                         STACK_OF(X509) *signers;
1092                         signers = CMS_get0_signers(cms);
1093                         if (!save_certs(signerfile, signers))
1094                                 {
1095                                 BIO_printf(bio_err,
1096                                                 "Error writing signers to %s\n",
1097                                                                 signerfile);
1098                                 ret = 5;
1099                                 goto end;
1100                                 }
1101                         sk_X509_free(signers);
1102                         }
1103                 if (rr_print)
1104                         receipt_request_print(bio_err, cms);
1105
1106                 }
1107         else if (operation == SMIME_VERIFY_RECEIPT)
1108                 {
1109                 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1110                         BIO_printf(bio_err, "Verification successful\n");
1111                 else
1112                         {
1113                         BIO_printf(bio_err, "Verification failure\n");
1114                         goto end;
1115                         }
1116                 }
1117         else
1118                 {
1119                 if (noout)
1120                         {
1121                         if (print)
1122                                 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1123                         }
1124                 else if (outformat == FORMAT_SMIME)
1125                         {
1126                         if (to)
1127                                 BIO_printf(out, "To: %s\n", to);
1128                         if (from)
1129                                 BIO_printf(out, "From: %s\n", from);
1130                         if (subject)
1131                                 BIO_printf(out, "Subject: %s\n", subject);
1132                         if (operation == SMIME_RESIGN)
1133                                 ret = SMIME_write_CMS(out, cms, indata, flags);
1134                         else
1135                                 ret = SMIME_write_CMS(out, cms, in, flags);
1136                         }
1137                 else if (outformat == FORMAT_PEM)
1138                         ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1139                 else if (outformat == FORMAT_ASN1)
1140                         ret = i2d_CMS_bio_stream(out,cms, in, flags);
1141                 else
1142                         {
1143                         BIO_printf(bio_err, "Bad output format for CMS file\n");
1144                         goto end;
1145                         }
1146                 if (ret <= 0)
1147                         {
1148                         ret = 6;
1149                         goto end;
1150                         }
1151                 }
1152         ret = 0;
1153 end:
1154         if (ret)
1155                 ERR_print_errors(bio_err);
1156         if (need_rand)
1157                 app_RAND_write_file(NULL, bio_err);
1158         sk_X509_pop_free(encerts, X509_free);
1159         sk_X509_pop_free(other, X509_free);
1160         if (vpm)
1161                 X509_VERIFY_PARAM_free(vpm);
1162         if (sksigners)
1163                 sk_STRING_free(sksigners);
1164         if (skkeys)
1165                 sk_STRING_free(skkeys);
1166         if (secret_key)
1167                 OPENSSL_free(secret_key);
1168         if (secret_keyid)
1169                 OPENSSL_free(secret_keyid);
1170         if (econtent_type)
1171                 ASN1_OBJECT_free(econtent_type);
1172         if (rr)
1173                 CMS_ReceiptRequest_free(rr);
1174         if (rr_to)
1175                 sk_STRING_free(rr_to);
1176         if (rr_from)
1177                 sk_STRING_free(rr_from);
1178         X509_STORE_free(store);
1179         X509_free(cert);
1180         X509_free(recip);
1181         X509_free(signer);
1182         EVP_PKEY_free(key);
1183         CMS_ContentInfo_free(cms);
1184         CMS_ContentInfo_free(rcms);
1185         BIO_free(rctin);
1186         BIO_free(in);
1187         BIO_free(indata);
1188         BIO_free_all(out);
1189         if (passin) OPENSSL_free(passin);
1190         return (ret);
1191 }
1192
1193 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1194         {
1195         int i;
1196         BIO *tmp;
1197         if (!signerfile)
1198                 return 1;
1199         tmp = BIO_new_file(signerfile, "w");
1200         if (!tmp) return 0;
1201         for(i = 0; i < sk_X509_num(signers); i++)
1202                 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1203         BIO_free(tmp);
1204         return 1;
1205         }
1206
1207
1208 /* Minimal callback just to output policy info (if any) */
1209
1210 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1211         {
1212         int error;
1213
1214         error = X509_STORE_CTX_get_error(ctx);
1215
1216         verify_err = error;
1217
1218         if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1219                 && ((error != X509_V_OK) || (ok != 2)))
1220                 return ok;
1221
1222         policies_print(NULL, ctx);
1223
1224         return ok;
1225
1226         }
1227
1228 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1229         {
1230         STACK_OF(GENERAL_NAME) *gens;
1231         GENERAL_NAME *gen;
1232         int i, j;
1233         for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1234                 {
1235                 gens = sk_GENERAL_NAMES_value(gns, i);
1236                 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1237                         {
1238                         gen = sk_GENERAL_NAME_value(gens, j);
1239                         BIO_puts(out, "    ");
1240                         GENERAL_NAME_print(out, gen);
1241                         BIO_puts(out, "\n");
1242                         }
1243                 }
1244         return;
1245         }
1246
1247 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1248         {
1249         STACK_OF(CMS_SignerInfo) *sis;
1250         CMS_SignerInfo *si;
1251         CMS_ReceiptRequest *rr;
1252         int allorfirst;
1253         STACK_OF(GENERAL_NAMES) *rto, *rlist;
1254         ASN1_STRING *scid;
1255         int i, rv;
1256         sis = CMS_get0_SignerInfos(cms);
1257         for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1258                 {
1259                 si = sk_CMS_SignerInfo_value(sis, i);
1260                 rv = CMS_get1_ReceiptRequest(si, &rr);
1261                 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1262                 if (rv == 0)
1263                         BIO_puts(bio_err, "  No Receipt Request\n");
1264                 else if (rv < 0)
1265                         {
1266                         BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1267                         ERR_print_errors(bio_err);
1268                         }
1269                 else
1270                         {
1271                         char *id;
1272                         int idlen;
1273                         CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1274                                                         &rlist, &rto);
1275                         BIO_puts(out, "  Signed Content ID:\n");
1276                         idlen = ASN1_STRING_length(scid);
1277                         id = (char *)ASN1_STRING_data(scid);
1278                         BIO_dump_indent(out, id, idlen, 4);
1279                         BIO_puts(out, "  Receipts From");
1280                         if (rlist)
1281                                 {
1282                                 BIO_puts(out, " List:\n");
1283                                 gnames_stack_print(out, rlist);
1284                                 }
1285                         else if (allorfirst == 1)
1286                                 BIO_puts(out, ": First Tier\n");
1287                         else if (allorfirst == 0)
1288                                 BIO_puts(out, ": All\n");
1289                         else
1290                                 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1291                         BIO_puts(out, "  Receipts To:\n");
1292                         gnames_stack_print(out, rto);
1293                         }
1294                 if (rr)
1295                         CMS_ReceiptRequest_free(rr);
1296                 }
1297         }
1298
1299 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(STRING) *ns)
1300         {
1301         int i;
1302         STACK_OF(GENERAL_NAMES) *ret;
1303         GENERAL_NAMES *gens = NULL;
1304         GENERAL_NAME *gen = NULL;
1305         ret = sk_GENERAL_NAMES_new_null();
1306         if (!ret)
1307                 goto err;
1308         for (i = 0; i < sk_STRING_num(ns); i++)
1309                 {
1310                 char *str = sk_STRING_value(ns, i);
1311                 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1312                 if (!gen)
1313                         goto err;
1314                 gens = GENERAL_NAMES_new();
1315                 if (!gens)
1316                         goto err;
1317                 if (!sk_GENERAL_NAME_push(gens, gen))
1318                         goto err;
1319                 gen = NULL;
1320                 if (!sk_GENERAL_NAMES_push(ret, gens))
1321                         goto err;
1322                 gens = NULL;
1323                 }
1324
1325         return ret;
1326
1327         err:
1328         if (ret)
1329                 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1330         if (gens)
1331                 GENERAL_NAMES_free(gens);
1332         if (gen)
1333                 GENERAL_NAME_free(gen);
1334         return NULL;
1335         }
1336
1337
1338 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(STRING) *rr_to,
1339                                                 int rr_allorfirst,
1340                                                 STACK_OF(STRING) *rr_from)
1341         {
1342         STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1343         CMS_ReceiptRequest *rr;
1344         rct_to = make_names_stack(rr_to);
1345         if (!rct_to)
1346                 goto err;
1347         if (rr_from)
1348                 {
1349                 rct_from = make_names_stack(rr_from);
1350                 if (!rct_from)
1351                         goto err;
1352                 }
1353         else
1354                 rct_from = NULL;
1355         rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1356                                                 rct_to);
1357         return rr;
1358         err:
1359         return NULL;
1360         }
1361
1362 #endif