apps/cms.c

   1 /*
   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 static int save_certs(char *signerfile, STACK_OF(X509) *signers);
  70 static int cms_cb(int ok, X509_STORE_CTX *ctx);
  71 static void receipt_request_print(CMS_ContentInfo *cms);
  72 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
  73                                                 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
  74                                                 *rr_from);
  75 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
  76                               STACK_OF(OPENSSL_STRING) *param);
  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 static int verify_err = 0;
  99
 100 typedef struct cms_key_param_st cms_key_param;
 101
 102 struct cms_key_param_st {
 103     int idx;
 104     STACK_OF(OPENSSL_STRING) *param;
 105     cms_key_param *next;
 106 };
 107
 108 typedef enum OPTION_choice {
 109     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
 110     OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT,
 111     OPT_DECRYPT, OPT_SIGN, OPT_SIGN_RECEIPT, OPT_RESIGN,
 112     OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT,
 113     OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY,
 114     OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS,
 115     OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT,
 116     OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS,
 117     OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID,
 118     OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF,
 119     OPT_NOINDEF, OPT_NOOLDMIME, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT,
 120     OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE,
 121     OPT_CAPATH, OPT_NOCAPATH, OPT_NOCAFILE,OPT_CONTENT, OPT_PRINT,
 122     OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE,
 123     OPT_RAND, OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP,
 124     OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM,
 125     OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP,
 126     OPT_3DES_WRAP, OPT_ENGINE,
 127     OPT_V_ENUM,
 128     OPT_CIPHER
 129 } OPTION_CHOICE;
 130
 131 OPTIONS cms_options[] = {
 132     {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
 133     {OPT_HELP_STR, 1, '-',
 134         "  cert.pem... recipient certs for encryption\n"},
 135     {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
 136     {"help", OPT_HELP, '-', "Display this summary"},
 137     {"inform", OPT_INFORM, 'F', "Input format SMIME (default), PEM or DER"},
 138     {"outform", OPT_OUTFORM, 'F',
 139      "Output format SMIME (default), PEM or DER"},
 140     {"in", OPT_IN, '<', "Input file"},
 141     {"out", OPT_OUT, '>', "Output file"},
 142     {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"},
 143     {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"},
 144     {"sign", OPT_SIGN, '-', "Sign message"},
 145     {"sign_receipt", OPT_SIGN_RECEIPT, '-'},
 146     {"resign", OPT_RESIGN, '-'},
 147     {"verify", OPT_VERIFY, '-', "Verify signed message"},
 148     {"verify_retcode", OPT_VERIFY_RETCODE, '-'},
 149     {"verify_receipt", OPT_VERIFY_RECEIPT, '<'},
 150     {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"},
 151     {"data_out", OPT_DATA_OUT, '-'},
 152     {"data_create", OPT_DATA_CREATE, '-'},
 153     {"digest_verify", OPT_DIGEST_VERIFY, '-'},
 154     {"digest_create", OPT_DIGEST_CREATE, '-'},
 155     {"compress", OPT_COMPRESS, '-'},
 156     {"uncompress", OPT_UNCOMPRESS, '-'},
 157     {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-'},
 158     {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-'},
 159     {"debug_decrypt", OPT_DEBUG_DECRYPT, '-'},
 160     {"text", OPT_TEXT, '-', "Include or delete text MIME headers"},
 161     {"asciicrlf", OPT_ASCIICRLF, '-'},
 162     {"nointern", OPT_NOINTERN, '-',
 163      "Don't search certificates in message for signer"},
 164     {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"},
 165     {"nocerts", OPT_NOCERTS, '-',
 166      "Don't include signers certificate when signing"},
 167     {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"},
 168     {"nodetach", OPT_NODETACH, '-', "Use opaque signing"},
 169     {"nosmimecap", OPT_NOSMIMECAP, '-'},
 170     {"binary", OPT_BINARY, '-', "Don't translate message to text"},
 171     {"keyid", OPT_KEYID, '-', "Use subject key identifier"},
 172     {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"},
 173     {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-'},
 174     {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-'},
 175     {"stream", OPT_INDEF, '-'},
 176     {"indef", OPT_INDEF, '-'},
 177     {"noindef", OPT_NOINDEF, '-'},
 178     {"nooldmime", OPT_NOOLDMIME, '-'},
 179     {"crlfeol", OPT_CRLFEOL, '-'},
 180     {"noout", OPT_NOOUT, '-'},
 181     {"receipt_request_print", OPT_RR_PRINT, '-'},
 182     {"receipt_request_all", OPT_RR_ALL, '-'},
 183     {"receipt_request_first", OPT_RR_FIRST, '-'},
 184     {"rctform", OPT_RCTFORM, 'F'},
 185     {"certfile", OPT_CERTFILE, '<', "Other certificates file"},
 186     {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"},
 187     {"CApath", OPT_CAPATH, '/', "trusted certificates directory"},
 188     {"no-CAfile", OPT_NOCAFILE, '-',
 189      "Do not load the default certificates file"},
 190     {"no-CApath", OPT_NOCAPATH, '-',
 191      "Do not load certificates from the default certificates directory"},
 192     {"content", OPT_CONTENT, '<',
 193      "Supply or override content for detached signature"},
 194     {"print", OPT_PRINT, '-'},
 195     {"secretkey", OPT_SECRETKEY, 's'},
 196     {"secretkeyid", OPT_SECRETKEYID, 's'},
 197     {"pwri_password", OPT_PWRI_PASSWORD, 's'},
 198     {"econtent_type", OPT_ECONTENT_TYPE, 's'},
 199     {"rand", OPT_RAND, 's',
 200      "Load the file(s) into the random number generator"},
 201     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
 202     {"to", OPT_TO, 's', "To address"},
 203     {"from", OPT_FROM, 's', "From address"},
 204     {"subject", OPT_SUBJECT, 's', "Subject"},
 205     {"signer", OPT_SIGNER, 's', "Signer certificate file"},
 206     {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"},
 207     {"certsout", OPT_CERTSOUT, '>', "Certificate output file"},
 208     {"md", OPT_MD, 's'},
 209     {"inkey", OPT_INKEY, '<',
 210      "Input private key (if not signer or recipient)"},
 211     {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"},
 212     {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"},
 213     {"receipt_request_from", OPT_RR_FROM, 's'},
 214     {"receipt_request_to", OPT_RR_TO, 's'},
 215     {"", OPT_CIPHER, '-', "Any supported cipher"},
 216     OPT_V_OPTIONS,
 217 # ifndef OPENSSL_NO_AES
 218     {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"},
 219     {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"},
 220     {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"},
 221 # endif
 222 # ifndef OPENSSL_NO_DES
 223     {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"},
 224 # endif
 225 # ifndef OPENSSL_NO_ENGINE
 226     {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
 227 # endif
 228     {NULL}
 229 };
 230
 231 int cms_main(int argc, char **argv)
 232 {
 233     ASN1_OBJECT *econtent_type = NULL;
 234     BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL;
 235     CMS_ContentInfo *cms = NULL, *rcms = NULL;
 236     CMS_ReceiptRequest *rr = NULL;
 237     ENGINE *e = NULL;
 238     EVP_PKEY *key = NULL;
 239     const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL;
 240     const EVP_MD *sign_md = NULL;
 241     STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL;
 242     STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
 243     STACK_OF(X509) *encerts = NULL, *other = NULL;
 244     X509 *cert = NULL, *recip = NULL, *signer = NULL;
 245     X509_STORE *store = NULL;
 246     X509_VERIFY_PARAM *vpm = NULL;
 247     char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
 248     char *CAfile = NULL, *CApath = NULL, *certsoutfile = NULL;
 249     int noCAfile = 0, noCApath = 0;
 250     char *infile = NULL, *outfile = NULL, *rctfile = NULL, *inrand = NULL;
 251     char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *recipfile =
 252         NULL;
 253     char *to = NULL, *from = NULL, *subject = NULL, *prog;
 254     cms_key_param *key_first = NULL, *key_param = NULL;
 255     int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched =
 256         0;
 257     int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
 258     int need_rand = 0, operation = 0, ret = 1, rr_print = 0, rr_allorfirst =
 259         -1;
 260     int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM;
 261     size_t secret_keylen = 0, secret_keyidlen = 0;
 262     unsigned char *pwri_pass = NULL, *pwri_tmp = NULL;
 263     unsigned char *secret_key = NULL, *secret_keyid = NULL;
 264     long ltmp;
 265     OPTION_CHOICE o;
 266
 267     if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
 268         return 1;
 269
 270     prog = opt_init(argc, argv, cms_options);
 271     while ((o = opt_next()) != OPT_EOF) {
 272         switch (o) {
 273         case OPT_EOF:
 274         case OPT_ERR:
 275  opthelp:
 276             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 277             goto end;
 278         case OPT_HELP:
 279             opt_help(cms_options);
 280             ret = 0;
 281             goto end;
 282         case OPT_INFORM:
 283             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
 284                 goto opthelp;
 285             break;
 286         case OPT_OUTFORM:
 287             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
 288                 goto opthelp;
 289             break;
 290         case OPT_OUT:
 291             outfile = opt_arg();
 292             break;
 293         case OPT_ENCRYPT:
 294             operation = SMIME_ENCRYPT;
 295             break;
 296         case OPT_DECRYPT:
 297             operation = SMIME_DECRYPT;
 298             break;
 299         case OPT_SIGN:
 300             operation = SMIME_SIGN;
 301             break;
 302         case OPT_SIGN_RECEIPT:
 303             operation = SMIME_SIGN_RECEIPT;
 304             break;
 305         case OPT_RESIGN:
 306             operation = SMIME_RESIGN;
 307             break;
 308         case OPT_VERIFY:
 309             operation = SMIME_VERIFY;
 310             break;
 311         case OPT_VERIFY_RETCODE:
 312             verify_retcode = 1;
 313             break;
 314         case OPT_VERIFY_RECEIPT:
 315             operation = SMIME_VERIFY_RECEIPT;
 316             rctfile = opt_arg();
 317             break;
 318         case OPT_CMSOUT:
 319             operation = SMIME_CMSOUT;
 320             break;
 321         case OPT_DATA_OUT:
 322             operation = SMIME_DATAOUT;
 323             break;
 324         case OPT_DATA_CREATE:
 325             operation = SMIME_DATA_CREATE;
 326             break;
 327         case OPT_DIGEST_VERIFY:
 328             operation = SMIME_DIGEST_VERIFY;
 329             break;
 330         case OPT_DIGEST_CREATE:
 331             operation = SMIME_DIGEST_CREATE;
 332             break;
 333         case OPT_COMPRESS:
 334             operation = SMIME_COMPRESS;
 335             break;
 336         case OPT_UNCOMPRESS:
 337             operation = SMIME_UNCOMPRESS;
 338             break;
 339         case OPT_ED_DECRYPT:
 340             operation = SMIME_ENCRYPTED_DECRYPT;
 341             break;
 342         case OPT_ED_ENCRYPT:
 343             operation = SMIME_ENCRYPTED_ENCRYPT;
 344             break;
 345         case OPT_DEBUG_DECRYPT:
 346             flags |= CMS_DEBUG_DECRYPT;
 347             break;
 348         case OPT_TEXT:
 349             flags |= CMS_TEXT;
 350             break;
 351         case OPT_ASCIICRLF:
 352             flags |= CMS_ASCIICRLF;
 353             break;
 354         case OPT_NOINTERN:
 355             flags |= CMS_NOINTERN;
 356             break;
 357         case OPT_NOVERIFY:
 358             flags |= CMS_NO_SIGNER_CERT_VERIFY;
 359             break;
 360         case OPT_NOCERTS:
 361             flags |= CMS_NOCERTS;
 362             break;
 363         case OPT_NOATTR:
 364             flags |= CMS_NOATTR;
 365             break;
 366         case OPT_NODETACH:
 367             flags &= ~CMS_DETACHED;
 368             break;
 369         case OPT_NOSMIMECAP:
 370             flags |= CMS_NOSMIMECAP;
 371             break;
 372         case OPT_BINARY:
 373             flags |= CMS_BINARY;
 374             break;
 375         case OPT_KEYID:
 376             flags |= CMS_USE_KEYID;
 377             break;
 378         case OPT_NOSIGS:
 379             flags |= CMS_NOSIGS;
 380             break;
 381         case OPT_NO_CONTENT_VERIFY:
 382             flags |= CMS_NO_CONTENT_VERIFY;
 383             break;
 384         case OPT_NO_ATTR_VERIFY:
 385             flags |= CMS_NO_ATTR_VERIFY;
 386             break;
 387         case OPT_INDEF:
 388             flags |= CMS_STREAM;
 389             break;
 390         case OPT_NOINDEF:
 391             flags &= ~CMS_STREAM;
 392             break;
 393         case OPT_NOOLDMIME:
 394             flags |= CMS_NOOLDMIMETYPE;
 395             break;
 396         case OPT_CRLFEOL:
 397             flags |= CMS_CRLFEOL;
 398             break;
 399         case OPT_NOOUT:
 400             noout = 1;
 401             break;
 402         case OPT_RR_PRINT:
 403             rr_print = 1;
 404             break;
 405         case OPT_RR_ALL:
 406             rr_allorfirst = 0;
 407             break;
 408         case OPT_RR_FIRST:
 409             rr_allorfirst = 1;
 410             break;
 411         case OPT_RCTFORM:
 412             if (rctformat == FORMAT_SMIME)
 413                 rcms = SMIME_read_CMS(rctin, NULL);
 414             else if (rctformat == FORMAT_PEM)
 415                 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
 416             else if (rctformat == FORMAT_ASN1)
 417                 if (!opt_format(opt_arg(),
 418                                 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat))
 419                     goto opthelp;
 420             break;
 421         case OPT_CERTFILE:
 422             certfile = opt_arg();
 423             break;
 424         case OPT_CAFILE:
 425             CAfile = opt_arg();
 426             break;
 427         case OPT_CAPATH:
 428             CApath = opt_arg();
 429             break;
 430         case OPT_NOCAFILE:
 431             noCAfile = 1;
 432             break;
 433         case OPT_NOCAPATH:
 434             noCApath = 1;
 435             break;
 436         case OPT_IN:
 437             infile = opt_arg();
 438             break;
 439         case OPT_CONTENT:
 440             contfile = opt_arg();
 441             break;
 442         case OPT_RR_FROM:
 443             if (rr_from == NULL
 444                 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL)
 445                 goto end;
 446             sk_OPENSSL_STRING_push(rr_from, opt_arg());
 447             break;
 448         case OPT_RR_TO:
 449             if (rr_to == NULL
 450                 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL)
 451                 goto end;
 452             sk_OPENSSL_STRING_push(rr_to, opt_arg());
 453             break;
 454         case OPT_PRINT:
 455             noout = print = 1;
 456             break;
 457         case OPT_SECRETKEY:
 458             secret_key = string_to_hex(opt_arg(), &ltmp);
 459             if (secret_key == NULL) {
 460                 BIO_printf(bio_err, "Invalid key %s\n", opt_arg());
 461                 goto end;
 462             }
 463             secret_keylen = (size_t)ltmp;
 464             break;
 465         case OPT_SECRETKEYID:
 466             secret_keyid = string_to_hex(opt_arg(), &ltmp);
 467             if (secret_keyid == NULL) {
 468                 BIO_printf(bio_err, "Invalid id %s\n", opt_arg());
 469                 goto opthelp;
 470             }
 471             secret_keyidlen = (size_t)ltmp;
 472             break;
 473         case OPT_PWRI_PASSWORD:
 474             pwri_pass = (unsigned char *)opt_arg();
 475             break;
 476         case OPT_ECONTENT_TYPE:
 477             econtent_type = OBJ_txt2obj(opt_arg(), 0);
 478             if (econtent_type == NULL) {
 479                 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg());
 480                 goto opthelp;
 481             }
 482             break;
 483         case OPT_RAND:
 484             inrand = opt_arg();
 485             need_rand = 1;
 486             break;
 487         case OPT_ENGINE:
 488             e = setup_engine(opt_arg(), 0);
 489             break;
 490         case OPT_PASSIN:
 491             passinarg = opt_arg();
 492             break;
 493         case OPT_TO:
 494             to = opt_arg();
 495             break;
 496         case OPT_FROM:
 497             from = opt_arg();
 498             break;
 499         case OPT_SUBJECT:
 500             subject = opt_arg();
 501             break;
 502         case OPT_CERTSOUT:
 503             certsoutfile = opt_arg();
 504             break;
 505         case OPT_MD:
 506             if (!opt_md(opt_arg(), &sign_md))
 507                 goto end;
 508             break;
 509         case OPT_SIGNER:
 510             /* If previous -signer argument add signer to list */
 511             if (signerfile) {
 512                 if (sksigners == NULL
 513                     && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
 514                     goto end;
 515                 sk_OPENSSL_STRING_push(sksigners, signerfile);
 516                 if (keyfile == NULL)
 517                     keyfile = signerfile;
 518                 if (skkeys == NULL
 519                     && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
 520                     goto end;
 521                 sk_OPENSSL_STRING_push(skkeys, keyfile);
 522                 keyfile = NULL;
 523             }
 524             signerfile = opt_arg();
 525             break;
 526         case OPT_INKEY:
 527             /* If previous -inkey arument add signer to list */
 528             if (keyfile) {
 529                 if (signerfile == NULL) {
 530                     BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 531                     goto end;
 532                 }
 533                 if (sksigners == NULL
 534                     && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
 535                     goto end;
 536                 sk_OPENSSL_STRING_push(sksigners, signerfile);
 537                 signerfile = NULL;
 538                 if (skkeys == NULL
 539                     && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
 540                     goto end;
 541                 sk_OPENSSL_STRING_push(skkeys, keyfile);
 542             }
 543             keyfile = opt_arg();
 544             break;
 545         case OPT_KEYFORM:
 546             if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
 547                 goto opthelp;
 548             break;
 549         case OPT_RECIP:
 550             if (operation == SMIME_ENCRYPT) {
 551                 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL)
 552                     goto end;
 553                 cert = load_cert(opt_arg(), FORMAT_PEM, NULL, e,
 554                                  "recipient certificate file");
 555                 if (cert == NULL)
 556                     goto end;
 557                 sk_X509_push(encerts, cert);
 558                 cert = NULL;
 559             } else
 560                 recipfile = opt_arg();
 561             break;
 562         case OPT_CIPHER:
 563             if (!opt_cipher(opt_unknown(), &cipher))
 564                 goto end;
 565             break;
 566         case OPT_KEYOPT:
 567             keyidx = -1;
 568             if (operation == SMIME_ENCRYPT) {
 569                 if (encerts)
 570                     keyidx += sk_X509_num(encerts);
 571             } else {
 572                 if (keyfile || signerfile)
 573                     keyidx++;
 574                 if (skkeys)
 575                     keyidx += sk_OPENSSL_STRING_num(skkeys);
 576             }
 577             if (keyidx < 0) {
 578                 BIO_printf(bio_err, "No key specified\n");
 579                 goto opthelp;
 580             }
 581             if (key_param == NULL || key_param->idx != keyidx) {
 582                 cms_key_param *nparam;
 583                 nparam = app_malloc(sizeof(*nparam), "key param buffer");
 584                 nparam->idx = keyidx;
 585                 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL)
 586                     goto end;
 587                 nparam->next = NULL;
 588                 if (key_first == NULL)
 589                     key_first = nparam;
 590                 else
 591                     key_param->next = nparam;
 592                 key_param = nparam;
 593             }
 594             sk_OPENSSL_STRING_push(key_param->param, opt_arg());
 595             break;
 596         case OPT_V_CASES:
 597             if (!opt_verify(o, vpm))
 598                 goto end;
 599             vpmtouched++;
 600             break;
 601         case OPT_3DES_WRAP:
 602 # ifndef OPENSSL_NO_DES
 603             wrap_cipher = EVP_des_ede3_wrap();
 604 # endif
 605             break;
 606 # ifndef OPENSSL_NO_AES
 607         case OPT_AES128_WRAP:
 608             wrap_cipher = EVP_aes_128_wrap();
 609             break;
 610         case OPT_AES192_WRAP:
 611             wrap_cipher = EVP_aes_192_wrap();
 612             break;
 613         case OPT_AES256_WRAP:
 614             wrap_cipher = EVP_aes_256_wrap();
 615             break;
 616 # else
 617         case OPT_AES128_WRAP:
 618         case OPT_AES192_WRAP:
 619         case OPT_AES256_WRAP:
 620             break;
 621 # endif
 622         }
 623     }
 624     argc = opt_num_rest();
 625     argv = opt_rest();
 626
 627     if (((rr_allorfirst != -1) || rr_from) && !rr_to) {
 628         BIO_puts(bio_err, "No Signed Receipts Recipients\n");
 629         goto opthelp;
 630     }
 631
 632     if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) {
 633         BIO_puts(bio_err, "Signed receipts only allowed with -sign\n");
 634         goto opthelp;
 635     }
 636     if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
 637         BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
 638         goto opthelp;
 639     }
 640
 641     if (operation & SMIME_SIGNERS) {
 642         if (keyfile && !signerfile) {
 643             BIO_puts(bio_err, "Illegal -inkey without -signer\n");
 644             goto opthelp;
 645         }
 646         /* Check to see if any final signer needs to be appended */
 647         if (signerfile) {
 648             if (!sksigners
 649                 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
 650                 goto end;
 651             sk_OPENSSL_STRING_push(sksigners, signerfile);
 652             if (!skkeys && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
 653                 goto end;
 654             if (!keyfile)
 655                 keyfile = signerfile;
 656             sk_OPENSSL_STRING_push(skkeys, keyfile);
 657         }
 658         if (!sksigners) {
 659             BIO_printf(bio_err, "No signer certificate specified\n");
 660             goto opthelp;
 661         }
 662         signerfile = NULL;
 663         keyfile = NULL;
 664         need_rand = 1;
 665     }
 666
 667     else if (operation == SMIME_DECRYPT) {
 668         if (!recipfile && !keyfile && !secret_key && !pwri_pass) {
 669             BIO_printf(bio_err,
 670                        "No recipient certificate or key specified\n");
 671             goto opthelp;
 672         }
 673     } else if (operation == SMIME_ENCRYPT) {
 674         if (*argv == NULL && !secret_key && !pwri_pass && !encerts) {
 675             BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
 676             goto opthelp;
 677         }
 678         need_rand = 1;
 679     } else if (!operation)
 680         goto opthelp;
 681
 682     if (!app_passwd(passinarg, NULL, &passin, NULL)) {
 683         BIO_printf(bio_err, "Error getting password\n");
 684         goto end;
 685     }
 686
 687     if (!app_load_modules(NULL))
 688         goto end;
 689
 690     if (need_rand) {
 691         app_RAND_load_file(NULL, (inrand != NULL));
 692         if (inrand != NULL)
 693             BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
 694                        app_RAND_load_files(inrand));
 695     }
 696
 697     ret = 2;
 698
 699     if (!(operation & SMIME_SIGNERS))
 700         flags &= ~CMS_DETACHED;
 701
 702     if (!(operation & SMIME_OP)) {
 703         if (flags & CMS_BINARY)
 704             outformat = FORMAT_BINARY;
 705     }
 706
 707     if (!(operation & SMIME_IP)) {
 708         if (flags & CMS_BINARY)
 709             informat = FORMAT_BINARY;
 710     }
 711
 712     if (operation == SMIME_ENCRYPT) {
 713         if (!cipher) {
 714 # ifndef OPENSSL_NO_DES
 715             cipher = EVP_des_ede3_cbc();
 716 # else
 717             BIO_printf(bio_err, "No cipher selected\n");
 718             goto end;
 719 # endif
 720         }
 721
 722         if (secret_key && !secret_keyid) {
 723             BIO_printf(bio_err, "No secret key id\n");
 724             goto end;
 725         }
 726
 727         if (*argv && !encerts)
 728             if ((encerts = sk_X509_new_null()) == NULL)
 729                 goto end;
 730         while (*argv) {
 731             if ((cert = load_cert(*argv, FORMAT_PEM, NULL, e,
 732                                   "recipient certificate file")) == NULL)
 733                 goto end;
 734             sk_X509_push(encerts, cert);
 735             cert = NULL;
 736             argv++;
 737         }
 738     }
 739
 740     if (certfile) {
 741         if ((other = load_certs(certfile, FORMAT_PEM, NULL, e,
 742                                 "certificate file")) == NULL) {
 743             ERR_print_errors(bio_err);
 744             goto end;
 745         }
 746     }
 747
 748     if (recipfile && (operation == SMIME_DECRYPT)) {
 749         if ((recip = load_cert(recipfile, FORMAT_PEM, NULL, e,
 750                                "recipient certificate file")) == NULL) {
 751             ERR_print_errors(bio_err);
 752             goto end;
 753         }
 754     }
 755
 756     if (operation == SMIME_SIGN_RECEIPT) {
 757         if ((signer = load_cert(signerfile, FORMAT_PEM, NULL, e,
 758                                 "receipt signer certificate file")) == NULL) {
 759             ERR_print_errors(bio_err);
 760             goto end;
 761         }
 762     }
 763
 764     if (operation == SMIME_DECRYPT) {
 765         if (!keyfile)
 766             keyfile = recipfile;
 767     } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) {
 768         if (!keyfile)
 769             keyfile = signerfile;
 770     } else
 771         keyfile = NULL;
 772
 773     if (keyfile) {
 774         key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
 775         if (!key)
 776             goto end;
 777     }
 778
 779     in = bio_open_default(infile, 'r', informat);
 780     if (in == NULL)
 781         goto end;
 782
 783     if (operation & SMIME_IP) {
 784         if (informat == FORMAT_SMIME)
 785             cms = SMIME_read_CMS(in, &indata);
 786         else if (informat == FORMAT_PEM)
 787             cms = PEM_read_bio_CMS(in, NULL, NULL, NULL);
 788         else if (informat == FORMAT_ASN1)
 789             cms = d2i_CMS_bio(in, NULL);
 790         else {
 791             BIO_printf(bio_err, "Bad input format for CMS file\n");
 792             goto end;
 793         }
 794
 795         if (!cms) {
 796             BIO_printf(bio_err, "Error reading S/MIME message\n");
 797             goto end;
 798         }
 799         if (contfile) {
 800             BIO_free(indata);
 801             if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
 802                 BIO_printf(bio_err, "Can't read content file %s\n", contfile);
 803                 goto end;
 804             }
 805         }
 806         if (certsoutfile) {
 807             STACK_OF(X509) *allcerts;
 808             allcerts = CMS_get1_certs(cms);
 809             if (!save_certs(certsoutfile, allcerts)) {
 810                 BIO_printf(bio_err,
 811                            "Error writing certs to %s\n", certsoutfile);
 812                 ret = 5;
 813                 goto end;
 814             }
 815             sk_X509_pop_free(allcerts, X509_free);
 816         }
 817     }
 818
 819     if (rctfile) {
 820         char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r";
 821         if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) {
 822             BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile);
 823             goto end;
 824         }
 825
 826         if (rctformat == FORMAT_SMIME)
 827             rcms = SMIME_read_CMS(rctin, NULL);
 828         else if (rctformat == FORMAT_PEM)
 829             rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL);
 830         else if (rctformat == FORMAT_ASN1)
 831             rcms = d2i_CMS_bio(rctin, NULL);
 832         else {
 833             BIO_printf(bio_err, "Bad input format for receipt\n");
 834             goto end;
 835         }
 836
 837         if (!rcms) {
 838             BIO_printf(bio_err, "Error reading receipt\n");
 839             goto end;
 840         }
 841     }
 842
 843     out = bio_open_default(outfile, 'w', outformat);
 844     if (out == NULL)
 845         goto end;
 846
 847     if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) {
 848         if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
 849             goto end;
 850         X509_STORE_set_verify_cb(store, cms_cb);
 851         if (vpmtouched)
 852             X509_STORE_set1_param(store, vpm);
 853     }
 854
 855     ret = 3;
 856
 857     if (operation == SMIME_DATA_CREATE) {
 858         cms = CMS_data_create(in, flags);
 859     } else if (operation == SMIME_DIGEST_CREATE) {
 860         cms = CMS_digest_create(in, sign_md, flags);
 861     } else if (operation == SMIME_COMPRESS) {
 862         cms = CMS_compress(in, -1, flags);
 863     } else if (operation == SMIME_ENCRYPT) {
 864         int i;
 865         flags |= CMS_PARTIAL;
 866         cms = CMS_encrypt(NULL, in, cipher, flags);
 867         if (!cms)
 868             goto end;
 869         for (i = 0; i < sk_X509_num(encerts); i++) {
 870             CMS_RecipientInfo *ri;
 871             cms_key_param *kparam;
 872             int tflags = flags;
 873             X509 *x = sk_X509_value(encerts, i);
 874             for (kparam = key_first; kparam; kparam = kparam->next) {
 875                 if (kparam->idx == i) {
 876                     tflags |= CMS_KEY_PARAM;
 877                     break;
 878                 }
 879             }
 880             ri = CMS_add1_recipient_cert(cms, x, tflags);
 881             if (!ri)
 882                 goto end;
 883             if (kparam) {
 884                 EVP_PKEY_CTX *pctx;
 885                 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri);
 886                 if (!cms_set_pkey_param(pctx, kparam->param))
 887                     goto end;
 888             }
 889             if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE
 890                 && wrap_cipher) {
 891                 EVP_CIPHER_CTX *wctx;
 892                 wctx = CMS_RecipientInfo_kari_get0_ctx(ri);
 893                 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL);
 894             }
 895         }
 896
 897         if (secret_key) {
 898             if (!CMS_add0_recipient_key(cms, NID_undef,
 899                                         secret_key, secret_keylen,
 900                                         secret_keyid, secret_keyidlen,
 901                                         NULL, NULL, NULL))
 902                 goto end;
 903             /* NULL these because call absorbs them */
 904             secret_key = NULL;
 905             secret_keyid = NULL;
 906         }
 907         if (pwri_pass) {
 908             pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass);
 909             if (!pwri_tmp)
 910                 goto end;
 911             if (!CMS_add0_recipient_password(cms,
 912                                              -1, NID_undef, NID_undef,
 913                                              pwri_tmp, -1, NULL))
 914                 goto end;
 915             pwri_tmp = NULL;
 916         }
 917         if (!(flags & CMS_STREAM)) {
 918             if (!CMS_final(cms, in, NULL, flags))
 919                 goto end;
 920         }
 921     } else if (operation == SMIME_ENCRYPTED_ENCRYPT) {
 922         cms = CMS_EncryptedData_encrypt(in, cipher,
 923                                         secret_key, secret_keylen, flags);
 924
 925     } else if (operation == SMIME_SIGN_RECEIPT) {
 926         CMS_ContentInfo *srcms = NULL;
 927         STACK_OF(CMS_SignerInfo) *sis;
 928         CMS_SignerInfo *si;
 929         sis = CMS_get0_SignerInfos(cms);
 930         if (!sis)
 931             goto end;
 932         si = sk_CMS_SignerInfo_value(sis, 0);
 933         srcms = CMS_sign_receipt(si, signer, key, other, flags);
 934         if (!srcms)
 935             goto end;
 936         CMS_ContentInfo_free(cms);
 937         cms = srcms;
 938     } else if (operation & SMIME_SIGNERS) {
 939         int i;
 940         /*
 941          * If detached data content we enable streaming if S/MIME output
 942          * format.
 943          */
 944         if (operation == SMIME_SIGN) {
 945
 946             if (flags & CMS_DETACHED) {
 947                 if (outformat == FORMAT_SMIME)
 948                     flags |= CMS_STREAM;
 949             }
 950             flags |= CMS_PARTIAL;
 951             cms = CMS_sign(NULL, NULL, other, in, flags);
 952             if (!cms)
 953                 goto end;
 954             if (econtent_type)
 955                 CMS_set1_eContentType(cms, econtent_type);
 956
 957             if (rr_to) {
 958                 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from);
 959                 if (!rr) {
 960                     BIO_puts(bio_err,
 961                              "Signed Receipt Request Creation Error\n");
 962                     goto end;
 963                 }
 964             }
 965         } else
 966             flags |= CMS_REUSE_DIGEST;
 967         for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
 968             CMS_SignerInfo *si;
 969             cms_key_param *kparam;
 970             int tflags = flags;
 971             signerfile = sk_OPENSSL_STRING_value(sksigners, i);
 972             keyfile = sk_OPENSSL_STRING_value(skkeys, i);
 973
 974             signer = load_cert(signerfile, FORMAT_PEM, NULL,
 975                                e, "signer certificate");
 976             if (!signer)
 977                 goto end;
 978             key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
 979             if (!key)
 980                 goto end;
 981             for (kparam = key_first; kparam; kparam = kparam->next) {
 982                 if (kparam->idx == i) {
 983                     tflags |= CMS_KEY_PARAM;
 984                     break;
 985                 }
 986             }
 987             si = CMS_add1_signer(cms, signer, key, sign_md, tflags);
 988             if (!si)
 989                 goto end;
 990             if (kparam) {
 991                 EVP_PKEY_CTX *pctx;
 992                 pctx = CMS_SignerInfo_get0_pkey_ctx(si);
 993                 if (!cms_set_pkey_param(pctx, kparam->param))
 994                     goto end;
 995             }
 996             if (rr && !CMS_add1_ReceiptRequest(si, rr))
 997                 goto end;
 998             X509_free(signer);
 999             signer = NULL;
1000             EVP_PKEY_free(key);
1001             key = NULL;
1002         }
1003         /* If not streaming or resigning finalize structure */
1004         if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) {
1005             if (!CMS_final(cms, in, NULL, flags))
1006                 goto end;
1007         }
1008     }
1009
1010     if (!cms) {
1011         BIO_printf(bio_err, "Error creating CMS structure\n");
1012         goto end;
1013     }
1014
1015     ret = 4;
1016     if (operation == SMIME_DECRYPT) {
1017         if (flags & CMS_DEBUG_DECRYPT)
1018             CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags);
1019
1020         if (secret_key) {
1021             if (!CMS_decrypt_set1_key(cms,
1022                                       secret_key, secret_keylen,
1023                                       secret_keyid, secret_keyidlen)) {
1024                 BIO_puts(bio_err, "Error decrypting CMS using secret key\n");
1025                 goto end;
1026             }
1027         }
1028
1029         if (key) {
1030             if (!CMS_decrypt_set1_pkey(cms, key, recip)) {
1031                 BIO_puts(bio_err, "Error decrypting CMS using private key\n");
1032                 goto end;
1033             }
1034         }
1035
1036         if (pwri_pass) {
1037             if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) {
1038                 BIO_puts(bio_err, "Error decrypting CMS using password\n");
1039                 goto end;
1040             }
1041         }
1042
1043         if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) {
1044             BIO_printf(bio_err, "Error decrypting CMS structure\n");
1045             goto end;
1046         }
1047     } else if (operation == SMIME_DATAOUT) {
1048         if (!CMS_data(cms, out, flags))
1049             goto end;
1050     } else if (operation == SMIME_UNCOMPRESS) {
1051         if (!CMS_uncompress(cms, indata, out, flags))
1052             goto end;
1053     } else if (operation == SMIME_DIGEST_VERIFY) {
1054         if (CMS_digest_verify(cms, indata, out, flags) > 0)
1055             BIO_printf(bio_err, "Verification successful\n");
1056         else {
1057             BIO_printf(bio_err, "Verification failure\n");
1058             goto end;
1059         }
1060     } else if (operation == SMIME_ENCRYPTED_DECRYPT) {
1061         if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen,
1062                                        indata, out, flags))
1063             goto end;
1064     } else if (operation == SMIME_VERIFY) {
1065         if (CMS_verify(cms, other, store, indata, out, flags) > 0)
1066             BIO_printf(bio_err, "Verification successful\n");
1067         else {
1068             BIO_printf(bio_err, "Verification failure\n");
1069             if (verify_retcode)
1070                 ret = verify_err + 32;
1071             goto end;
1072         }
1073         if (signerfile) {
1074             STACK_OF(X509) *signers;
1075             signers = CMS_get0_signers(cms);
1076             if (!save_certs(signerfile, signers)) {
1077                 BIO_printf(bio_err,
1078                            "Error writing signers to %s\n", signerfile);
1079                 ret = 5;
1080                 goto end;
1081             }
1082             sk_X509_free(signers);
1083         }
1084         if (rr_print)
1085             receipt_request_print(cms);
1086
1087     } else if (operation == SMIME_VERIFY_RECEIPT) {
1088         if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0)
1089             BIO_printf(bio_err, "Verification successful\n");
1090         else {
1091             BIO_printf(bio_err, "Verification failure\n");
1092             goto end;
1093         }
1094     } else {
1095         if (noout) {
1096             if (print)
1097                 CMS_ContentInfo_print_ctx(out, cms, 0, NULL);
1098         } else if (outformat == FORMAT_SMIME) {
1099             if (to)
1100                 BIO_printf(out, "To: %s\n", to);
1101             if (from)
1102                 BIO_printf(out, "From: %s\n", from);
1103             if (subject)
1104                 BIO_printf(out, "Subject: %s\n", subject);
1105             if (operation == SMIME_RESIGN)
1106                 ret = SMIME_write_CMS(out, cms, indata, flags);
1107             else
1108                 ret = SMIME_write_CMS(out, cms, in, flags);
1109         } else if (outformat == FORMAT_PEM)
1110             ret = PEM_write_bio_CMS_stream(out, cms, in, flags);
1111         else if (outformat == FORMAT_ASN1)
1112             ret = i2d_CMS_bio_stream(out, cms, in, flags);
1113         else {
1114             BIO_printf(bio_err, "Bad output format for CMS file\n");
1115             goto end;
1116         }
1117         if (ret <= 0) {
1118             ret = 6;
1119             goto end;
1120         }
1121     }
1122     ret = 0;
1123  end:
1124     if (ret)
1125         ERR_print_errors(bio_err);
1126     if (need_rand)
1127         app_RAND_write_file(NULL);
1128     sk_X509_pop_free(encerts, X509_free);
1129     sk_X509_pop_free(other, X509_free);
1130     X509_VERIFY_PARAM_free(vpm);
1131     sk_OPENSSL_STRING_free(sksigners);
1132     sk_OPENSSL_STRING_free(skkeys);
1133     OPENSSL_free(secret_key);
1134     OPENSSL_free(secret_keyid);
1135     OPENSSL_free(pwri_tmp);
1136     ASN1_OBJECT_free(econtent_type);
1137     CMS_ReceiptRequest_free(rr);
1138     sk_OPENSSL_STRING_free(rr_to);
1139     sk_OPENSSL_STRING_free(rr_from);
1140     for (key_param = key_first; key_param;) {
1141         cms_key_param *tparam;
1142         sk_OPENSSL_STRING_free(key_param->param);
1143         tparam = key_param->next;
1144         OPENSSL_free(key_param);
1145         key_param = tparam;
1146     }
1147     X509_STORE_free(store);
1148     X509_free(cert);
1149     X509_free(recip);
1150     X509_free(signer);
1151     EVP_PKEY_free(key);
1152     CMS_ContentInfo_free(cms);
1153     CMS_ContentInfo_free(rcms);
1154     BIO_free(rctin);
1155     BIO_free(in);
1156     BIO_free(indata);
1157     BIO_free_all(out);
1158     OPENSSL_free(passin);
1159     return (ret);
1160 }
1161
1162 static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1163 {
1164     int i;
1165     BIO *tmp;
1166     if (!signerfile)
1167         return 1;
1168     tmp = BIO_new_file(signerfile, "w");
1169     if (!tmp)
1170         return 0;
1171     for (i = 0; i < sk_X509_num(signers); i++)
1172         PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1173     BIO_free(tmp);
1174     return 1;
1175 }
1176
1177 /* Minimal callback just to output policy info (if any) */
1178
1179 static int cms_cb(int ok, X509_STORE_CTX *ctx)
1180 {
1181     int error;
1182
1183     error = X509_STORE_CTX_get_error(ctx);
1184
1185     verify_err = error;
1186
1187     if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1188         && ((error != X509_V_OK) || (ok != 2)))
1189         return ok;
1190
1191     policies_print(ctx);
1192
1193     return ok;
1194
1195 }
1196
1197 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns)
1198 {
1199     STACK_OF(GENERAL_NAME) *gens;
1200     GENERAL_NAME *gen;
1201     int i, j;
1202
1203     for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) {
1204         gens = sk_GENERAL_NAMES_value(gns, i);
1205         for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) {
1206             gen = sk_GENERAL_NAME_value(gens, j);
1207             BIO_puts(bio_err, "    ");
1208             GENERAL_NAME_print(bio_err, gen);
1209             BIO_puts(bio_err, "\n");
1210         }
1211     }
1212     return;
1213 }
1214
1215 static void receipt_request_print(CMS_ContentInfo *cms)
1216 {
1217     STACK_OF(CMS_SignerInfo) *sis;
1218     CMS_SignerInfo *si;
1219     CMS_ReceiptRequest *rr;
1220     int allorfirst;
1221     STACK_OF(GENERAL_NAMES) *rto, *rlist;
1222     ASN1_STRING *scid;
1223     int i, rv;
1224     sis = CMS_get0_SignerInfos(cms);
1225     for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) {
1226         si = sk_CMS_SignerInfo_value(sis, i);
1227         rv = CMS_get1_ReceiptRequest(si, &rr);
1228         BIO_printf(bio_err, "Signer %d:\n", i + 1);
1229         if (rv == 0)
1230             BIO_puts(bio_err, "  No Receipt Request\n");
1231         else if (rv < 0) {
1232             BIO_puts(bio_err, "  Receipt Request Parse Error\n");
1233             ERR_print_errors(bio_err);
1234         } else {
1235             char *id;
1236             int idlen;
1237             CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst,
1238                                            &rlist, &rto);
1239             BIO_puts(bio_err, "  Signed Content ID:\n");
1240             idlen = ASN1_STRING_length(scid);
1241             id = (char *)ASN1_STRING_data(scid);
1242             BIO_dump_indent(bio_err, id, idlen, 4);
1243             BIO_puts(bio_err, "  Receipts From");
1244             if (rlist) {
1245                 BIO_puts(bio_err, " List:\n");
1246                 gnames_stack_print(rlist);
1247             } else if (allorfirst == 1)
1248                 BIO_puts(bio_err, ": First Tier\n");
1249             else if (allorfirst == 0)
1250                 BIO_puts(bio_err, ": All\n");
1251             else
1252                 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst);
1253             BIO_puts(bio_err, "  Receipts To:\n");
1254             gnames_stack_print(rto);
1255         }
1256         CMS_ReceiptRequest_free(rr);
1257     }
1258 }
1259
1260 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns)
1261 {
1262     int i;
1263     STACK_OF(GENERAL_NAMES) *ret;
1264     GENERAL_NAMES *gens = NULL;
1265     GENERAL_NAME *gen = NULL;
1266     ret = sk_GENERAL_NAMES_new_null();
1267     if (!ret)
1268         goto err;
1269     for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) {
1270         char *str = sk_OPENSSL_STRING_value(ns, i);
1271         gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0);
1272         if (!gen)
1273             goto err;
1274         gens = GENERAL_NAMES_new();
1275         if (!gens)
1276             goto err;
1277         if (!sk_GENERAL_NAME_push(gens, gen))
1278             goto err;
1279         gen = NULL;
1280         if (!sk_GENERAL_NAMES_push(ret, gens))
1281             goto err;
1282         gens = NULL;
1283     }
1284
1285     return ret;
1286
1287  err:
1288     sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free);
1289     GENERAL_NAMES_free(gens);
1290     GENERAL_NAME_free(gen);
1291     return NULL;
1292 }
1293
1294 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING)
1295                                                 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING)
1296                                                 *rr_from)
1297 {
1298     STACK_OF(GENERAL_NAMES) *rct_to, *rct_from;
1299     CMS_ReceiptRequest *rr;
1300     rct_to = make_names_stack(rr_to);
1301     if (!rct_to)
1302         goto err;
1303     if (rr_from) {
1304         rct_from = make_names_stack(rr_from);
1305         if (!rct_from)
1306             goto err;
1307     } else
1308         rct_from = NULL;
1309     rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from,
1310                                     rct_to);
1311     return rr;
1312  err:
1313     return NULL;
1314 }
1315
1316 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx,
1317                               STACK_OF(OPENSSL_STRING) *param)
1318 {
1319     char *keyopt;
1320     int i;
1321     if (sk_OPENSSL_STRING_num(param) <= 0)
1322         return 1;
1323     for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) {
1324         keyopt = sk_OPENSSL_STRING_value(param, i);
1325         if (pkey_ctrl_string(pctx, keyopt) <= 0) {
1326             BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt);
1327             ERR_print_errors(bio_err);
1328             return 0;
1329         }
1330     }
1331     return 1;
1332 }
1333
1334 #endif