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(OPENSSL_STRING) *rr_to,
  75                                                 int rr_allorfirst,
  76                                         STACK_OF(OPENSSL_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(OPENSSL_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(OPENSSL_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         unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
 140         size_t secret_keylen = 0, secret_keyidlen = 0;
 141
 142         ASN1_OBJECT *econtent_type = NULL;
 143
 144         X509_VERIFY_PARAM *vpm = NULL;
 145
 146         args = argv + 1;
 147         ret = 1;
 148
 149         apps_startup();
 150
 151         if (bio_err == NULL)
 152                 {
 153                 if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 154                         BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
 155                 }
 156
 157         if (!load_config(bio_err, NULL))
 158                 goto end;
 159
 160         while (!badarg && *args && *args[0] == '-')
 161                 {
 162                 if (!strcmp (*args, "-encrypt"))
 163                         operation = SMIME_ENCRYPT;
 164                 else if (!strcmp (*args, "-decrypt"))
 165                         operation = SMIME_DECRYPT;
 166                 else if (!strcmp (*args, "-sign"))
 167                         operation = SMIME_SIGN;
 168                 else if (!strcmp (*args, "-sign_receipt"))
 169                         operation = SMIME_SIGN_RECEIPT;
 170                 else if (!strcmp (*args, "-resign"))
 171                         operation = SMIME_RESIGN;
 172                 else if (!strcmp (*args, "-verify"))
 173                         operation = SMIME_VERIFY;
 174                 else if (!strcmp (*args, "-verify_retcode"))
 175                         verify_retcode = 1;
 176                 else if (!strcmp(*args,"-verify_receipt"))
 177                         {
 178                         operation = SMIME_VERIFY_RECEIPT;
 179                         if (!args[1])
 180                                 goto argerr;
 181                         args++;
 182                         rctfile = *args;
 183                         }
 184                 else if (!strcmp (*args, "-cmsout"))
 185                         operation = SMIME_CMSOUT;
 186                 else if (!strcmp (*args, "-data_out"))
 187                         operation = SMIME_DATAOUT;
 188                 else if (!strcmp (*args, "-data_create"))
 189                         operation = SMIME_DATA_CREATE;
 190                 else if (!strcmp (*args, "-digest_verify"))
 191                         operation = SMIME_DIGEST_VERIFY;
 192                 else if (!strcmp (*args, "-digest_create"))
 193                         operation = SMIME_DIGEST_CREATE;
 194                 else if (!strcmp (*args, "-compress"))
 195                         operation = SMIME_COMPRESS;
 196                 else if (!strcmp (*args, "-uncompress"))
 197                         operation = SMIME_UNCOMPRESS;
 198                 else if (!strcmp (*args, "-EncryptedData_decrypt"))
 199                         operation = SMIME_ENCRYPTED_DECRYPT;
 200                 else if (!strcmp (*args, "-EncryptedData_encrypt"))
 201                         operation = SMIME_ENCRYPTED_ENCRYPT;
 202 #ifndef OPENSSL_NO_DES
 203                 else if (!strcmp (*args, "-des3"))
 204                                 cipher = EVP_des_ede3_cbc();
 205                 else if (!strcmp (*args, "-des"))
 206                                 cipher = EVP_des_cbc();
 207 #endif
 208 #ifndef OPENSSL_NO_SEED
 209                 else if (!strcmp (*args, "-seed"))
 210                                 cipher = EVP_seed_cbc();
 211 #endif
 212 #ifndef OPENSSL_NO_RC2
 213                 else if (!strcmp (*args, "-rc2-40"))
 214                                 cipher = EVP_rc2_40_cbc();
 215                 else if (!strcmp (*args, "-rc2-128"))
 216                                 cipher = EVP_rc2_cbc();
 217                 else if (!strcmp (*args, "-rc2-64"))
 218                                 cipher = EVP_rc2_64_cbc();
 219 #endif
 220 #ifndef OPENSSL_NO_AES
 221                 else if (!strcmp(*args,"-aes128"))
 222                                 cipher = EVP_aes_128_cbc();
 223                 else if (!strcmp(*args,"-aes192"))
 224                                 cipher = EVP_aes_192_cbc();
 225                 else if (!strcmp(*args,"-aes256"))
 226                                 cipher = EVP_aes_256_cbc();
 227 #endif
 228 #ifndef OPENSSL_NO_CAMELLIA
 229                 else if (!strcmp(*args,"-camellia128"))
 230                                 cipher = EVP_camellia_128_cbc();
 231                 else if (!strcmp(*args,"-camellia192"))
 232                                 cipher = EVP_camellia_192_cbc();
 233                 else if (!strcmp(*args,"-camellia256"))
 234                                 cipher = EVP_camellia_256_cbc();
 235 #endif
 236                 else if (!strcmp (*args, "-text"))
 237                                 flags |= CMS_TEXT;
 238                 else if (!strcmp (*args, "-nointern"))
 239                                 flags |= CMS_NOINTERN;
 240                 else if (!strcmp (*args, "-noverify")
 241                         || !strcmp (*args, "-no_signer_cert_verify"))
 242                                 flags |= CMS_NO_SIGNER_CERT_VERIFY;
 243                 else if (!strcmp (*args, "-nocerts"))
 244                                 flags |= CMS_NOCERTS;
 245                 else if (!strcmp (*args, "-noattr"))
 246                                 flags |= CMS_NOATTR;
 247                 else if (!strcmp (*args, "-nodetach"))
 248                                 flags &= ~CMS_DETACHED;
 249                 else if (!strcmp (*args, "-nosmimecap"))
 250                                 flags |= CMS_NOSMIMECAP;
 251                 else if (!strcmp (*args, "-binary"))
 252                                 flags |= CMS_BINARY;
 253                 else if (!strcmp (*args, "-keyid"))
 254                                 flags |= CMS_USE_KEYID;
 255                 else if (!strcmp (*args, "-nosigs"))
 256                                 flags |= CMS_NOSIGS;
 257                 else if (!strcmp (*args, "-no_content_verify"))
 258                                 flags |= CMS_NO_CONTENT_VERIFY;
 259                 else if (!strcmp (*args, "-no_attr_verify"))
 260                                 flags |= CMS_NO_ATTR_VERIFY;
 261                 else if (!strcmp (*args, "-stream"))
 262                                 flags |= CMS_STREAM;
 263                 else if (!strcmp (*args, "-indef"))
 264                                 flags |= CMS_STREAM;
 265                 else if (!strcmp (*args, "-noindef"))
 266                                 flags &= ~CMS_STREAM;
 267                 else if (!strcmp (*args, "-nooldmime"))
 268                                 flags |= CMS_NOOLDMIMETYPE;
 269                 else if (!strcmp (*args, "-crlfeol"))
 270                                 flags |= CMS_CRLFEOL;
 271                 else if (!strcmp (*args, "-noout"))
 272                                 noout = 1;
 273                 else if (!strcmp (*args, "-receipt_request_print"))
 274                                 rr_print = 1;
 275                 else if (!strcmp (*args, "-receipt_request_all"))
 276                                 rr_allorfirst = 0;
 277                 else if (!strcmp (*args, "-receipt_request_first"))
 278                                 rr_allorfirst = 1;
 279                 else if (!strcmp(*args,"-receipt_request_from"))
 280                         {
 281                         if (!args[1])
 282                                 goto argerr;
 283                         args++;
 284                         if (!rr_from)
 285                                 rr_from = sk_OPENSSL_STRING_new_null();
 286                         sk_OPENSSL_STRING_push(rr_from, *args);
 287                         }
 288                 else if (!strcmp(*args,"-receipt_request_to"))
 289                         {
 290                         if (!args[1])
 291                                 goto argerr;
 292                         args++;
 293                         if (!rr_to)
 294                                 rr_to = sk_OPENSSL_STRING_new_null();
 295                         sk_OPENSSL_STRING_push(rr_to, *args);
 296                         }
 297                 else if (!strcmp (*args, "-print"))
 298                                 {
 299                                 noout = 1;
 300                                 print = 1;
 301                                 }
 302                 else if (!strcmp(*args,"-secretkey"))
 303                         {
 304                         long ltmp;
 305                         if (!args[1])
 306                                 goto argerr;
 307                         args++;
 308                         secret_key = string_to_hex(*args, &ltmp);
 309                         if (!secret_key)
 310                                 {
 311                                 BIO_printf(bio_err, "Invalid key %s\n", *args);
 312                                 goto argerr;
 313                                 }
 314                         secret_keylen = (size_t)ltmp;
 315                         }
 316                 else if (!strcmp(*args,"-secretkeyid"))
 317                         {
 318                         long ltmp;
 319                         if (!args[1])
 320                                 goto argerr;
 321                         args++;
 322                         secret_keyid = string_to_hex(*args, &ltmp);
 323                         if (!secret_keyid)
 324                                 {
 325                                 BIO_printf(bio_err, "Invalid id %s\n", *args);
 326                                 goto argerr;
 327                                 }
 328                         secret_keyidlen = (size_t)ltmp;
 329                         }
 330                 else if (!strcmp(*args,"-pwri_password"))
 331                         {
 332                         if (!args[1])
 333                                 goto argerr;
 334                         args++;
 335                         pwri_pass = (unsigned char *)*args;
 336                         }
 337                 else if (!strcmp(*args,"-econtent_type"))
 338                         {
 339                         if (!args[1])
 340                                 goto argerr;
 341                         args++;
 342                         econtent_type = OBJ_txt2obj(*args, 0);
 343                         if (!econtent_type)
 344                                 {
 345                                 BIO_printf(bio_err, "Invalid OID %s\n", *args);
 346                                 goto argerr;
 347                                 }
 348                         }
 349                 else if (!strcmp(*args,"-rand"))
 350                         {
 351                         if (!args[1])
 352                                 goto argerr;
 353                         args++;
 354                         inrand = *args;
 355                         need_rand = 1;
 356                         }
 357 #ifndef OPENSSL_NO_ENGINE
 358                 else if (!strcmp(*args,"-engine"))
 359                         {
 360                         if (!args[1])
 361                                 goto argerr;
 362                         engine = *++args;
 363                         }
 364 #endif
 365                 else if (!strcmp(*args,"-passin"))
 366                         {
 367                         if (!args[1])
 368                                 goto argerr;
 369                         passargin = *++args;
 370                         }
 371                 else if (!strcmp (*args, "-to"))
 372                         {
 373                         if (!args[1])
 374                                 goto argerr;
 375                         to = *++args;
 376                         }
 377                 else if (!strcmp (*args, "-from"))
 378                         {
 379                         if (!args[1])
 380                                 goto argerr;
 381                         from = *++args;
 382                         }
 383                 else if (!strcmp (*args, "-subject"))
 384                         {
 385                         if (!args[1])
 386                                 goto argerr;
 387                         subject = *++args;
 388                         }
 389                 else if (!strcmp (*args, "-signer"))
 390                         {
 391                         if (!args[1])
 392                                 goto argerr;
 393                         /* If previous -signer argument add signer to list */
 394
 395                         if (signerfile)
 396                                 {
 397                                 if (!sksigners)
 398                                         sksigners = sk_OPENSSL_STRING_new_null();
 399                                 sk_OPENSSL_STRING_push(sksigners, signerfile);
 400                                 if (!keyfile)
 401                                         keyfile = signerfile;
 402                                 if (!skkeys)
 403                                         skkeys = sk_OPENSSL_STRING_new_null();
 404                                 sk_OPENSSL_STRING_push(skkeys, keyfile);
 405                                 keyfile = NULL;
 406                                 }
 407                         signerfile = *++args;
 408                         }
 409                 else if (!strcmp (*args, "-recip"))
 410                         {
 411                         if (!args[1])
 412                                 goto argerr;
 413                         recipfile = *++args;
 414                         }
 415                 else if (!strcmp (*args, "-certsout"))
 416                         {
 417                         if (!args[1])
 418                                 goto argerr;
 419                         certsoutfile = *++args;
 420                         }
 421                 else if (!strcmp (*args, "-md"))
 422                         {
 423                         if (!args[1])
 424                                 goto argerr;
 425                         sign_md = EVP_get_digestbyname(*++args);
 426                         if (sign_md == NULL)
 427                                 {
 428                                 BIO_printf(bio_err, "Unknown digest %s\n",
 429                                                         *args);
 430                                 goto argerr;
 431                                 }
 432                         }
 433                 else if (!strcmp (*args, "-inkey"))
 434                         {
 435                         if (!args[1])
 436                                 goto argerr;
 437                         /* If previous -inkey arument add signer to list */
 438                         if (keyfile)
 439                                 {
 440                                 if (!signerfile)
 441                                         {
 442                                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 443                                         goto argerr;
 444                                         }
 445                                 if (!sksigners)
 446                                         sksigners = sk_OPENSSL_STRING_new_null();
 447                                 sk_OPENSSL_STRING_push(sksigners, signerfile);
 448                                 signerfile = NULL;
 449                                 if (!skkeys)
 450                                         skkeys = sk_OPENSSL_STRING_new_null();
 451                                 sk_OPENSSL_STRING_push(skkeys, keyfile);
 452                                 }
 453                         keyfile = *++args;
 454                         }
 455                 else if (!strcmp (*args, "-keyform"))
 456                         {
 457                         if (!args[1])
 458                                 goto argerr;
 459                         keyform = str2fmt(*++args);
 460                         }
 461                 else if (!strcmp (*args, "-rctform"))
 462                         {
 463                         if (!args[1])
 464                                 goto argerr;
 465                         rctformat = str2fmt(*++args);
 466                         }
 467                 else if (!strcmp (*args, "-certfile"))
 468                         {
 469                         if (!args[1])
 470                                 goto argerr;
 471                         certfile = *++args;
 472                         }
 473                 else if (!strcmp (*args, "-CAfile"))
 474                         {
 475                         if (!args[1])
 476                                 goto argerr;
 477                         CAfile = *++args;
 478                         }
 479                 else if (!strcmp (*args, "-CApath"))
 480                         {
 481                         if (!args[1])
 482                                 goto argerr;
 483                         CApath = *++args;
 484                         }
 485                 else if (!strcmp (*args, "-in"))
 486                         {
 487                         if (!args[1])
 488                                 goto argerr;
 489                         infile = *++args;
 490                         }
 491                 else if (!strcmp (*args, "-inform"))
 492                         {
 493                         if (!args[1])
 494                                 goto argerr;
 495                         informat = str2fmt(*++args);
 496                         }
 497                 else if (!strcmp (*args, "-outform"))
 498                         {
 499                         if (!args[1])
 500                                 goto argerr;
 501                         outformat = str2fmt(*++args);
 502                         }
 503                 else if (!strcmp (*args, "-out"))
 504                         {
 505                         if (!args[1])
 506                                 goto argerr;
 507                         outfile = *++args;
 508                         }
 509                 else if (!strcmp (*args, "-content"))
 510                         {
 511                         if (!args[1])
 512                                 goto argerr;
 513                         contfile = *++args;
 514                         }
 515                 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
 516                         continue;
 517                 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
 518                         badarg = 1;
 519                 args++;
 520                 }
 521
 522         if (((rr_allorfirst != -1) || rr_from) && !rr_to)
 523                 {
 524                 BIO_puts(bio_err, "No Signed Receipts Recipients\n");
 525                 goto argerr;
 526                 }
 527
 528         if (!(operation & SMIME_SIGNERS)  && (rr_to || rr_from))
 529                 {
 530                 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
 531                 goto argerr;
 532                 }
 533         if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners))
 534                 {
 535                 BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
 536                 goto argerr;
 537                 }
 538
 539         if (operation & SMIME_SIGNERS)
 540                 {
 541                 if (keyfile && !signerfile)
 542                         {
 543                         BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 544                         goto argerr;
 545                         }
 546                 /* Check to see if any final signer needs to be appended */
 547                 if (signerfile)
 548                         {
 549                         if (!sksigners)
 550                                 sksigners = sk_OPENSSL_STRING_new_null();
 551                         sk_OPENSSL_STRING_push(sksigners, signerfile);
 552                         if (!skkeys)
 553                                 skkeys = sk_OPENSSL_STRING_new_null();
 554                         if (!keyfile)
 555                                 keyfile = signerfile;
 556                         sk_OPENSSL_STRING_push(skkeys, keyfile);
 557                         }
 558                 if (!sksigners)
 559                         {
 560                         BIO_printf(bio_err, "No signer certificate specified\n");
 561                         badarg = 1;
 562                         }
 563                 signerfile = NULL;
 564                 keyfile = NULL;
 565                 need_rand = 1;
 566                 }
 567
 568         else if (operation == SMIME_DECRYPT)
 569                 {
 570                 if (!recipfile && !keyfile && !secret_key && !pwri_pass)
 571                         {
 572                         BIO_printf(bio_err, "No recipient certificate or key specified\n");
 573                         badarg = 1;
 574                         }
 575                 }
 576         else if (operation == SMIME_ENCRYPT)
 577                 {
 578                 if (!*args && !secret_key && !pwri_pass)
 579                         {
 580                         BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
 581                         badarg = 1;
 582                         }
 583                 need_rand = 1;
 584                 }
 585         else if (!operation)
 586                 badarg = 1;
 587
 588         if (badarg)
 589                 {
 590                 argerr:
 591                 BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n");
 592                 BIO_printf (bio_err, "where options are\n");
 593                 BIO_printf (bio_err, "-encrypt       encrypt message\n");
 594                 BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
 595                 BIO_printf (bio_err, "-sign          sign message\n");
 596                 BIO_printf (bio_err, "-verify        verify signed message\n");
 597                 BIO_printf (bio_err, "-cmsout        output CMS structure\n");
 598 #ifndef OPENSSL_NO_DES
 599                 BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
 600                 BIO_printf (bio_err, "-des           encrypt with DES\n");
 601 #endif
 602 #ifndef OPENSSL_NO_SEED
 603                 BIO_printf (bio_err, "-seed          encrypt with SEED\n");
 604 #endif
 605 #ifndef OPENSSL_NO_RC2
 606                 BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
 607                 BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
 608                 BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
 609 #endif
 610 #ifndef OPENSSL_NO_AES
 611                 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
 612                 BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
 613 #endif
 614 #ifndef OPENSSL_NO_CAMELLIA
 615                 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
 616                 BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
 617 #endif
 618                 BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
 619                 BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
 620                 BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
 621                 BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
 622                 BIO_printf (bio_err, "-nodetach      use opaque signing\n");
 623                 BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
 624                 BIO_printf (bio_err, "-binary        don't translate message to text\n");
 625                 BIO_printf (bio_err, "-certfile file other certificates file\n");
 626                 BIO_printf (bio_err, "-certsout file certificate output file\n");
 627                 BIO_printf (bio_err, "-signer file   signer certificate file\n");
 628                 BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
 629                 BIO_printf (bio_err, "-skeyid        use subject key identifier\n");
 630                 BIO_printf (bio_err, "-in file       input file\n");
 631                 BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
 632                 BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
 633                 BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
 634                 BIO_printf (bio_err, "-out file      output file\n");
 635                 BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
 636                 BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
 637                 BIO_printf (bio_err, "-to addr       to address\n");
 638                 BIO_printf (bio_err, "-from ad       from address\n");
 639                 BIO_printf (bio_err, "-subject s     subject\n");
 640                 BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
 641                 BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
 642                 BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
 643                 BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
 644                 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
 645 #ifndef OPENSSL_NO_ENGINE
 646                 BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
 647 #endif
 648                 BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
 649                 BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 650                 BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
 651                 BIO_printf(bio_err,  "               the random number generator\n");
 652                 BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
 653                 goto end;
 654                 }
 655
 656 #ifndef OPENSSL_NO_ENGINE
 657         e = setup_engine(bio_err, engine, 0);
 658 #endif
 659
 660         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 661                 {
 662                 BIO_printf(bio_err, "Error getting password\n");
 663                 goto end;
 664                 }
 665
 666         if (need_rand)
 667                 {
 668                 app_RAND_load_file(NULL, bio_err, (inrand != NULL));
 669                 if (inrand != NULL)
 670                         BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 671                                 app_RAND_load_files(inrand));
 672                 }
 673
 674         ret = 2;
 675
 676         if (!(operation & SMIME_SIGNERS))
 677                 flags &= ~CMS_DETACHED;
 678
 679         if (operation & SMIME_OP)
 680                 {
 681                 if (outformat == FORMAT_ASN1)
 682                         outmode = "wb";
 683                 }
 684         else
 685                 {
 686                 if (flags & CMS_BINARY)
 687                         outmode = "wb";
 688                 }
 689
 690         if (operation & SMIME_IP)
 691                 {
 692                 if (informat == FORMAT_ASN1)
 693                         inmode = "rb";
 694                 }
 695         else
 696                 {
 697                 if (flags & CMS_BINARY)
 698                         inmode = "rb";
 699                 }
 700
 701         if (operation == SMIME_ENCRYPT)
 702                 {
 703                 if (!cipher)
 704                         {
 705 #ifndef OPENSSL_NO_DES
 706                         cipher = EVP_des_ede3_cbc();
 707 #else
 708                         BIO_printf(bio_err, "No cipher selected\n");
 709                         goto end;
 710 #endif
 711                         }
 712
 713                 if (secret_key && !secret_keyid)
 714                         {
 715                         BIO_printf(bio_err, "No secret key id\n");
 716                         goto end;
 717                         }
 718
 719                 if (*args)
 720                         encerts = sk_X509_new_null();
 721                 while (*args)
 722                         {
 723                         if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
 724                                 NULL, e, "recipient certificate file")))
 725                                 goto end;
 726                         sk_X509_push(encerts, cert);
 727                         cert = NULL;
 728                         args++;
 729                         }
 730                 }
 731
 732         if (certfile)
 733                 {
 734                 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
 735                         e, "certificate file")))
 736                         {
 737                         ERR_print_errors(bio_err);
 738                         goto end;
 739                         }
 740                 }
 741
 742         if (recipfile && (operation == SMIME_DECRYPT))
 743                 {
 744                 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
 745                         e, "recipient certificate file")))
 746                         {
 747                         ERR_print_errors(bio_err);
 748                         goto end;
 749                         }
 750                 }
 751
 752         if (operation == SMIME_SIGN_RECEIPT)
 753                 {
 754                 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL,
 755                         e, "receipt signer certificate file")))
 756                         {
 757                         ERR_print_errors(bio_err);
 758                         goto end;
 759                         }
 760                 }
 761
 762         if (operation == SMIME_DECRYPT)
 763                 {
 764                 if (!keyfile)
 765                         keyfile = recipfile;
 766                 }
 767         else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT))
 768                 {
 769                 if (!keyfile)
 770                         keyfile = signerfile;
 771                 }
 772         else keyfile = NULL;
 773
 774         if (keyfile)
 775                 {
 776                 key = load_key(bio_err, keyfile, keyform, 0, passin, e,
 777                                "signing key file");
 778                 if (!key)
 779                         goto end;
 780                 }
 781
 782         if (infile)
 783                 {
 784                 if (!(in = BIO_new_file(infile, inmode)))
 785                         {
 786                         BIO_printf (bio_err,
 787                                  "Can't open input file %s\n", infile);
 788                         goto end;
 789                         }
 790                 }
 791         else
 792                 in = BIO_new_fp(stdin, BIO_NOCLOSE);
 793
 794         if (operation & SMIME_IP)
 795                 {
 796                 if (informat == FORMAT_SMIME)
 797                         cms = SMIME_read_CMS(in, &indata);
 798                 else if (informat == FORMAT_PEM)
 799                         cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
 800                 else if (informat == FORMAT_ASN1)
 801                         cms = d2i_CMS_bio(in, NULL);
 802                 else
 803                         {
 804                         BIO_printf(bio_err, "Bad input format for CMS file\n");
 805                         goto end;
 806                         }
 807
 808                 if (!cms)
 809                         {
 810                         BIO_printf(bio_err, "Error reading S/MIME message\n");
 811                         goto end;
 812                         }
 813                 if (contfile)
 814                         {
 815                         BIO_free(indata);
 816                         if (!(indata = BIO_new_file(contfile, "rb")))
 817                                 {
 818                                 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
 819                                 goto end;
 820                                 }
 821                         }
 822                 if (certsoutfile)
 823                         {
 824                         STACK_OF(X509) *allcerts;
 825                         allcerts = CMS_get1_certs(cms);
 826                         if (!save_certs(certsoutfile, allcerts))
 827                                 {
 828                                 BIO_printf(bio_err,
 829                                                 "Error writing certs to %s\n",
 830                                                                 certsoutfile);
 831                                 ret = 5;
 832                                 goto end;
 833                                 }
 834                         sk_X509_pop_free(allcerts, X509_free);
 835                         }
 836                 }
 837
 838         if (rctfile)
 839                 {
 840                 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
 841                 if (!(rctin = BIO_new_file(rctfile, rctmode)))
 842                         {
 843                         BIO_printf (bio_err,
 844                                  "Can't open receipt file %s\n", rctfile);
 845                         goto end;
 846                         }
 847
 848                 if (rctformat == FORMAT_SMIME)
 849                         rcms = SMIME_read_CMS(rctin, NULL);
 850                 else if (rctformat == FORMAT_PEM)
 851                         rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
 852                 else if (rctformat == FORMAT_ASN1)
 853                         rcms = d2i_CMS_bio(rctin, NULL);
 854                 else
 855                         {
 856                         BIO_printf(bio_err, "Bad input format for receipt\n");
 857                         goto end;
 858                         }
 859
 860                 if (!rcms)
 861                         {
 862                         BIO_printf(bio_err, "Error reading receipt\n");
 863                         goto end;
 864                         }
 865                 }
 866
 867         if (outfile)
 868                 {
 869                 if (!(out = BIO_new_file(outfile, outmode)))
 870                         {
 871                         BIO_printf (bio_err,
 872                                  "Can't open output file %s\n", outfile);
 873                         goto end;
 874                         }
 875                 }
 876         else
 877                 {
 878                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
 879 #ifdef OPENSSL_SYS_VMS
 880                 {
 881                     BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 882                     out = BIO_push(tmpbio, out);
 883                 }
 884 #endif
 885                 }
 886
 887         if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT))
 888                 {
 889                 if (!(store = setup_verify(bio_err, CAfile, CApath)))
 890                         goto end;
 891                 X509_STORE_set_verify_cb(store, cms_cb);
 892                 if (vpm)
 893                         X509_STORE_set1_param(store, vpm);
 894                 }
 895
 896
 897         ret = 3;
 898
 899         if (operation == SMIME_DATA_CREATE)
 900                 {
 901                 cms = CMS_data_create(in, flags);
 902                 }
 903         else if (operation == SMIME_DIGEST_CREATE)
 904                 {
 905                 cms = CMS_digest_create(in, sign_md, flags);
 906                 }
 907         else if (operation == SMIME_COMPRESS)
 908                 {
 909                 cms = CMS_compress(in, -1, flags);
 910                 }
 911         else if (operation == SMIME_ENCRYPT)
 912                 {
 913                 flags |= CMS_PARTIAL;
 914                 cms = CMS_encrypt(encerts, in, cipher, flags);
 915                 if (!cms)
 916                         goto end;
 917                 if (secret_key)
 918                         {
 919                         if (!CMS_add0_recipient_key(cms, NID_undef,
 920                                                 secret_key, secret_keylen,
 921                                                 secret_keyid, secret_keyidlen,
 922                                                 NULL, NULL, NULL))
 923                                 goto end;
 924                         /* NULL these because call absorbs them */
 925                         secret_key = NULL;
 926                         secret_keyid = NULL;
 927                         }
 928                 if (pwri_pass)
 929                         {
 930                         pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass);
 931                         if (!pwri_tmp)
 932                                 goto end;
 933                         if (!CMS_add0_recipient_password(cms,
 934                                                 -1, NID_undef, NID_undef,
 935                                                  pwri_tmp, -1, NULL))
 936                                 goto end;
 937                         pwri_tmp = NULL;
 938                         }
 939                 if (!(flags & CMS_STREAM))
 940                         {
 941                         if (!CMS_final(cms, in, NULL, flags))
 942                                 goto end;
 943                         }
 944                 }
 945         else if (operation == SMIME_ENCRYPTED_ENCRYPT)
 946                 {
 947                 cms = CMS_EncryptedData_encrypt(in, cipher,
 948                                                 secret_key, secret_keylen,
 949                                                 flags);
 950
 951                 }
 952         else if (operation == SMIME_SIGN_RECEIPT)
 953                 {
 954                 CMS_ContentInfo *srcms = NULL;
 955                 STACK_OF(CMS_SignerInfo) *sis;
 956                 CMS_SignerInfo *si;
 957                 sis = CMS_get0_SignerInfos(cms);
 958                 if (!sis)
 959                         goto end;
 960                 si = sk_CMS_SignerInfo_value(sis, 0);
 961                 srcms = CMS_sign_receipt(si, signer, key, other, flags);
 962                 if (!srcms)
 963                         goto end;
 964                 CMS_ContentInfo_free(cms);
 965                 cms = srcms;
 966                 }
 967         else if (operation & SMIME_SIGNERS)
 968                 {
 969                 int i;
 970                 /* If detached data content we enable streaming if
 971                  * S/MIME output format.
 972                  */
 973                 if (operation == SMIME_SIGN)
 974                         {
 975
 976                         if (flags & CMS_DETACHED)
 977                                 {
 978                                 if (outformat == FORMAT_SMIME)
 979                                         flags |= CMS_STREAM;
 980                                 }
 981                         flags |= CMS_PARTIAL;
 982                         cms = CMS_sign(NULL, NULL, other, in, flags);
 983                         if (!cms)
 984                                 goto end;
 985                         if (econtent_type)
 986                                 CMS_set1_eContentType(cms, econtent_type);
 987
 988                         if (rr_to)
 989                                 {
 990                                 rr = make_receipt_request(rr_to, rr_allorfirst,
 991                                                                 rr_from);
 992                                 if (!rr)
 993                                         {
 994                                         BIO_puts(bio_err,
 995                                 "Signed Receipt Request Creation Error\n");
 996                                         goto end;
 997                                         }
 998                                 }
 999                         }
1000                 else
1001                         flags |= CMS_REUSE_DIGEST;
1002                 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++)
1003                         {
1004                         CMS_SignerInfo *si;
1005                         signerfile = sk_OPENSSL_STRING_value(sksigners, i);
1006                         keyfile = sk_OPENSSL_STRING_value(skkeys, i);
1007                         signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL,
1008                                         e, "signer certificate");
1009                         if (!signer)
1010                                 goto end;
1011                         key = load_key(bio_err, keyfile, keyform, 0, passin, e,
1012                                "signing key file");
1013                         if (!key)
1014                                 goto end;
1015                         si = CMS_add1_signer(cms, signer, key, sign_md, flags);
1016                         if (!si)
1017                                 goto end;
1018                         if (rr && !CMS_add1_ReceiptRequest(si, rr))
1019                                 goto end;
1020                         X509_free(signer);
1021                         signer = NULL;
1022                         EVP_PKEY_free(key);
1023                         key = NULL;
1024                         }
1025                 /* If not streaming or resigning finalize structure */
1026                 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM))
1027                         {
1028                         if (!CMS_final(cms, in, NULL, flags))
1029                                 goto end;
1030                         }
1031                 }
1032
1033         if (!cms)
1034                 {
1035                 BIO_printf(bio_err, "Error creating CMS structure\n");
1036                 goto end;
1037                 }
1038
1039         ret = 4;
1040         if (operation == SMIME_DECRYPT)
1041                 {
1042
1043                 if (secret_key)
1044                         {
1045                         if (!CMS_decrypt_set1_key(cms,
1046                                                 secret_key, secret_keylen,
1047                                                 secret_keyid, secret_keyidlen))
1048                                 {
1049                                 BIO_puts(bio_err,
1050                                         "Error decrypting CMS using secret key\n");
1051                                 goto end;
1052                                 }
1053                         }
1054
1055                 if (key)
1056                         {
1057                         if (!CMS_decrypt_set1_pkey(cms, key, recip))
1058                                 {
1059                                 BIO_puts(bio_err,
1060                                         "Error decrypting CMS using private key\n");
1061                                 goto end;
1062                                 }
1063                         }
1064
1065                 if (pwri_pass)
1066                         {
1067                         if (!CMS_decrypt_set1_password(cms, pwri_pass, -1))
1068                                 {
1069                                 BIO_puts(bio_err,
1070                                         "Error decrypting CMS using password\n");
1071                                 goto end;
1072                                 }
1073                         }
1074
1075                 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags))
1076                         {
1077                         BIO_printf(bio_err, "Error decrypting CMS structure\n");
1078                         goto end;
1079                         }
1080                 }
1081         else if (operation == SMIME_DATAOUT)
1082                 {
1083                 if (!CMS_data(cms, out, flags))
1084                         goto end;
1085                 }
1086         else if (operation == SMIME_UNCOMPRESS)
1087                 {
1088                 if (!CMS_uncompress(cms, indata, out, flags))
1089                         goto end;
1090                 }
1091         else if (operation == SMIME_DIGEST_VERIFY)
1092                 {
1093                 if (CMS_digest_verify(cms, indata, out, flags) > 0)
1094                         BIO_printf(bio_err, "Verification successful\n");
1095                 else
1096                         {
1097                         BIO_printf(bio_err, "Verification failure\n");
1098                         goto end;
1099                         }
1100                 }
1101         else if (operation == SMIME_ENCRYPTED_DECRYPT)
1102                 {
1103                 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1104                                                 indata, out, flags))
1105                         goto end;
1106                 }
1107         else if (operation == SMIME_VERIFY)
1108                 {
1109                 if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1110                         BIO_printf(bio_err, "Verification successful\n");
1111                 else
1112                         {
1113                         BIO_printf(bio_err, "Verification failure\n");
1114                         if (verify_retcode)
1115                                 ret = verify_err + 32;
1116                         goto end;
1117                         }
1118                 if (signerfile)
1119                         {
1120                         STACK_OF(X509) *signers;
1121                         signers = CMS_get0_signers(cms);
1122                         if (!save_certs(signerfile, signers))
1123                                 {
1124                                 BIO_printf(bio_err,
1125                                                 "Error writing signers to %s\n",
1126                                                                 signerfile);
1127                                 ret = 5;
1128                                 goto end;
1129                                 }
1130                         sk_X509_free(signers);
1131                         }
1132                 if (rr_print)
1133                         receipt_request_print(bio_err, cms);
1134
1135                 }
1136         else if (operation == SMIME_VERIFY_RECEIPT)
1137                 {
1138                 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1139                         BIO_printf(bio_err, "Verification successful\n");
1140                 else
1141                         {
1142                         BIO_printf(bio_err, "Verification failure\n");
1143                         goto end;
1144                         }
1145                 }
1146         else
1147                 {
1148                 if (noout)
1149                         {
1150                         if (print)
1151                                 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1152                         }
1153                 else if (outformat == FORMAT_SMIME)
1154                         {
1155                         if (to)
1156                                 BIO_printf(out, "To: %s\n", to);
1157                         if (from)
1158                                 BIO_printf(out, "From: %s\n", from);
1159                         if (subject)
1160                                 BIO_printf(out, "Subject: %s\n", subject);
1161                         if (operation == SMIME_RESIGN)
1162                                 ret = SMIME_write_CMS(out, cms, indata, flags);
1163                         else
1164                                 ret = SMIME_write_CMS(out, cms, in, flags);
1165                         }
1166                 else if (outformat == FORMAT_PEM)
1167                         ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1168                 else if (outformat == FORMAT_ASN1)
1169                         ret = i2d_CMS_bio_stream(out,cms, in, flags);
1170                 else
1171                         {
1172                         BIO_printf(bio_err, "Bad output format for CMS file\n");
1173                         goto end;
1174                         }
1175                 if (ret <= 0)
1176                         {
1177                         ret = 6;
1178                         goto end;
1179                         }
1180                 }
1181         ret = 0;
1182 end:
1183         if (ret)
1184                 ERR_print_errors(bio_err);
1185         if (need_rand)
1186                 app_RAND_write_file(NULL, bio_err);
1187         sk_X509_pop_free(encerts, X509_free);
1188         sk_X509_pop_free(other, X509_free);
1189         if (vpm)
1190                 X509_VERIFY_PARAM_free(vpm);
1191         if (sksigners)
1192                 sk_OPENSSL_STRING_free(sksigners);
1193         if (skkeys)
1194                 sk_OPENSSL_STRING_free(skkeys);
1195         if (secret_key)
1196                 OPENSSL_free(secret_key);
1197         if (secret_keyid)
1198                 OPENSSL_free(secret_keyid);
1199         if (pwri_tmp)
1200                 OPENSSL_free(pwri_tmp);
1201         if (econtent_type)
1202                 ASN1_OBJECT_free(econtent_type);
1203         if (rr)
1204                 CMS_ReceiptRequest_free(rr);
1205         if (rr_to)
1206                 sk_OPENSSL_STRING_free(rr_to);
1207         if (rr_from)
1208                 sk_OPENSSL_STRING_free(rr_from);
1209         X509_STORE_free(store);
1210         X509_free(cert);
1211         X509_free(recip);
1212         X509_free(signer);
1213         EVP_PKEY_free(key);
1214         CMS_ContentInfo_free(cms);
1215         CMS_ContentInfo_free(rcms);
1216         BIO_free(rctin);
1217         BIO_free(in);
1218         BIO_free(indata);
1219         BIO_free_all(out);
1220         if (passin) OPENSSL_free(passin);
1221         return (ret);
1222 }
1223
1224 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1225         {
1226         int i;
1227         BIO *tmp;
1228         if (!signerfile)
1229                 return 1;
1230         tmp = BIO_new_file(signerfile, "w");
1231         if (!tmp) return 0;
1232         for(i = 0; i < sk_X509_num(signers); i++)
1233                 PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1234         BIO_free(tmp);
1235         return 1;
1236         }
1237
1238
1239 /* Minimal callback just to output policy info (if any) */
1240
1241 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1242         {
1243         int error;
1244
1245         error = X509_STORE_CTX_get_error(ctx);
1246
1247         verify_err = error;
1248
1249         if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1250                 && ((error != X509_V_OK) || (ok != 2)))
1251                 return ok;
1252
1253         policies_print(NULL, ctx);
1254
1255         return ok;
1256
1257         }
1258
1259 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns)
1260         {
1261         STACK_OF(GENERAL_NAME) *gens;
1262         GENERAL_NAME *gen;
1263         int i, j;
1264         for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++)
1265                 {
1266                 gens = sk_GENERAL_NAMES_value(gns, i);
1267                 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++)
1268                         {
1269                         gen = sk_GENERAL_NAME_value(gens, j);
1270                         BIO_puts(out, "    ");
1271                         GENERAL_NAME_print(out, gen);
1272                         BIO_puts(out, "\n");
1273                         }
1274                 }
1275         return;
1276         }
1277
1278 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms)
1279         {
1280         STACK_OF(CMS_SignerInfo) *sis;
1281         CMS_SignerInfo *si;
1282         CMS_ReceiptRequest *rr;
1283         int allorfirst;
1284         STACK_OF(GENERAL_NAMES) *rto, *rlist;
1285         ASN1_STRING *scid;
1286         int i, rv;
1287         sis = CMS_get0_SignerInfos(cms);
1288         for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++)
1289                 {
1290                 si = sk_CMS_SignerInfo_value(sis, i);
1291                 rv = CMS_get1_ReceiptRequest(si, &rr);
1292                 BIO_printf(bio_err, "Signer %d:\n", i + 1);
1293                 if (rv == 0)
1294                         BIO_puts(bio_err, "  No Receipt Request\n");
1295                 else if (rv < 0)
1296                         {
1297                         BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1298                         ERR_print_errors(bio_err);
1299                         }
1300                 else
1301                         {
1302                         char *id;
1303                         int idlen;
1304                         CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1305                                                         &rlist, &rto);
1306                         BIO_puts(out, "  Signed Content ID:\n");
1307                         idlen = ASN1_STRING_length(scid);
1308                         id = (char *)ASN1_STRING_data(scid);
1309                         BIO_dump_indent(out, id, idlen, 4);
1310                         BIO_puts(out, "  Receipts From");
1311                         if (rlist)
1312                                 {
1313                                 BIO_puts(out, " List:\n");
1314                                 gnames_stack_print(out, rlist);
1315                                 }
1316                         else if (allorfirst == 1)
1317                                 BIO_puts(out, ": First Tier\n");
1318                         else if (allorfirst == 0)
1319                                 BIO_puts(out, ": All\n");
1320                         else
1321                                 BIO_printf(out, " Unknown (%d)\n", allorfirst);
1322                         BIO_puts(out, "  Receipts To:\n");
1323                         gnames_stack_print(out, rto);
1324                         }
1325                 if (rr)
1326                         CMS_ReceiptRequest_free(rr);
1327                 }
1328         }
1329
1330 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1331         {
1332         int i;
1333         STACK_OF(GENERAL_NAMES) *ret;
1334         GENERAL_NAMES *gens = NULL;
1335         GENERAL_NAME *gen = NULL;
1336         ret = sk_GENERAL_NAMES_new_null();
1337         if (!ret)
1338                 goto err;
1339         for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++)
1340                 {
1341                 char *str = sk_OPENSSL_STRING_value(ns, i);
1342                 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1343                 if (!gen)
1344                         goto err;
1345                 gens = GENERAL_NAMES_new();
1346                 if (!gens)
1347                         goto err;
1348                 if (!sk_GENERAL_NAME_push(gens, gen))
1349                         goto err;
1350                 gen = NULL;
1351                 if (!sk_GENERAL_NAMES_push(ret, gens))
1352                         goto err;
1353                 gens = NULL;
1354                 }
1355
1356         return ret;
1357
1358         err:
1359         if (ret)
1360                 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1361         if (gens)
1362                 GENERAL_NAMES_free(gens);
1363         if (gen)
1364                 GENERAL_NAME_free(gen);
1365         return NULL;
1366         }
1367
1368
1369 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to,
1370                                                 int rr_allorfirst,
1371                                                 STACK_OF(OPENSSL_STRING) *rr_from)
1372         {
1373         STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1374         CMS_ReceiptRequest *rr;
1375         rct_to = make_names_stack(rr_to);
1376         if (!rct_to)
1377                 goto err;
1378         if (rr_from)
1379                 {
1380                 rct_from = make_names_stack(rr_from);
1381                 if (!rct_from)
1382                         goto err;
1383                 }
1384         else
1385                 rct_from = NULL;
1386         rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1387                                                 rct_to);
1388         return rr;
1389         err:
1390         return NULL;
1391         }
1392
1393 #endif