1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/tsrc/BC/libcrypto/topenssl/src/smime.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,792 @@
1.4 +/* smime.c */
1.5 +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
1.6 + * project.
1.7 + */
1.8 +/* ====================================================================
1.9 + * Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved.
1.10 + *
1.11 + * Redistribution and use in source and binary forms, with or without
1.12 + * modification, are permitted provided that the following conditions
1.13 + * are met:
1.14 + *
1.15 + * 1. Redistributions of source code must retain the above copyright
1.16 + * notice, this list of conditions and the following disclaimer.
1.17 + *
1.18 + * 2. Redistributions in binary form must reproduce the above copyright
1.19 + * notice, this list of conditions and the following disclaimer in
1.20 + * the documentation and/or other materials provided with the
1.21 + * distribution.
1.22 + *
1.23 + * 3. All advertising materials mentioning features or use of this
1.24 + * software must display the following acknowledgment:
1.25 + * "This product includes software developed by the OpenSSL Project
1.26 + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
1.27 + *
1.28 + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
1.29 + * endorse or promote products derived from this software without
1.30 + * prior written permission. For written permission, please contact
1.31 + * licensing@OpenSSL.org.
1.32 + *
1.33 + * 5. Products derived from this software may not be called "OpenSSL"
1.34 + * nor may "OpenSSL" appear in their names without prior written
1.35 + * permission of the OpenSSL Project.
1.36 + *
1.37 + * 6. Redistributions of any form whatsoever must retain the following
1.38 + * acknowledgment:
1.39 + * "This product includes software developed by the OpenSSL Project
1.40 + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
1.41 + *
1.42 + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
1.43 + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.44 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.45 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
1.46 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.47 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
1.48 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
1.49 + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.50 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.51 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.52 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.53 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.54 + * ====================================================================
1.55 + *
1.56 + * This product includes cryptographic software written by Eric Young
1.57 + * (eay@cryptsoft.com). This product includes software written by Tim
1.58 + * Hudson (tjh@cryptsoft.com).
1.59 + *
1.60 + */
1.61 +
1.62 +/* S/MIME utility function */
1.63 +
1.64 +#include <stdio.h>
1.65 +#include <string.h>
1.66 +#include "apps.h"
1.67 +#include <openssl/crypto.h>
1.68 +#include <openssl/pem.h>
1.69 +#include <openssl/err.h>
1.70 +#include <openssl/x509_vfy.h>
1.71 +#include <openssl/x509v3.h>
1.72 +
1.73 +#undef PROG
1.74 +#define PROG smime_main
1.75 +static int save_certs(char *signerfile, STACK_OF(X509) *signers);
1.76 +static int smime_cb(int ok, X509_STORE_CTX *ctx);
1.77 +
1.78 +#define SMIME_OP 0x10
1.79 +#define SMIME_ENCRYPT (1 | SMIME_OP)
1.80 +#define SMIME_DECRYPT 2
1.81 +#define SMIME_SIGN (3 | SMIME_OP)
1.82 +#define SMIME_VERIFY 4
1.83 +#define SMIME_PK7OUT 5
1.84 +
1.85 +
1.86 +int MAIN(int, char **);
1.87 +
1.88 +int MAIN(int argc, char **argv)
1.89 + {
1.90 + ENGINE *e = NULL;
1.91 + int operation = 0;
1.92 + int ret = 0;
1.93 + char **args;
1.94 + const char *inmode = "r", *outmode = "w";
1.95 + char *infile = NULL, *outfile = NULL;
1.96 + char *signerfile = NULL, *recipfile = NULL;
1.97 + char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
1.98 + const EVP_CIPHER *cipher = NULL;
1.99 + PKCS7 *p7 = NULL;
1.100 + X509_STORE *store = NULL;
1.101 + X509 *cert = NULL, *recip = NULL, *signer = NULL;
1.102 + EVP_PKEY *key = NULL;
1.103 + STACK_OF(X509) *encerts = NULL, *other = NULL;
1.104 + BIO *in = NULL, *out = NULL, *indata = NULL;
1.105 + int badarg = 0;
1.106 + int flags = PKCS7_DETACHED;
1.107 + char *to = NULL, *from = NULL, *subject = NULL;
1.108 + char *CAfile = NULL, *CApath = NULL;
1.109 + char *passargin = NULL, *passin = NULL;
1.110 + char *inrand = NULL;
1.111 + int need_rand = 0;
1.112 + int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
1.113 + int keyform = FORMAT_PEM;
1.114 +#ifndef OPENSSL_NO_ENGINE
1.115 + char *engine=NULL;
1.116 +#endif
1.117 +
1.118 + X509_VERIFY_PARAM *vpm = NULL;
1.119 +
1.120 + args = argv + 1;
1.121 + ret = 1;
1.122 +
1.123 + apps_startup();
1.124 +
1.125 + if (bio_err == NULL)
1.126 + {
1.127 + if ((bio_err = BIO_new(BIO_s_file())) != NULL)
1.128 + BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
1.129 +
1.130 + }
1.131 +
1.132 + if (!load_config(bio_err, NULL))
1.133 + goto end;
1.134 +
1.135 + while (!badarg && *args && *args[0] == '-')
1.136 + {
1.137 + if (!strcmp (*args, "-encrypt"))
1.138 + operation = SMIME_ENCRYPT;
1.139 + else if (!strcmp (*args, "-decrypt"))
1.140 + operation = SMIME_DECRYPT;
1.141 + else if (!strcmp (*args, "-sign"))
1.142 + operation = SMIME_SIGN;
1.143 + else if (!strcmp (*args, "-verify"))
1.144 + operation = SMIME_VERIFY;
1.145 + else if (!strcmp (*args, "-pk7out"))
1.146 + operation = SMIME_PK7OUT;
1.147 +#ifndef OPENSSL_NO_DES
1.148 + else if (!strcmp (*args, "-des3"))
1.149 + cipher = EVP_des_ede3_cbc();
1.150 + else if (!strcmp (*args, "-des"))
1.151 + cipher = EVP_des_cbc();
1.152 +#endif
1.153 +#ifndef OPENSSL_NO_RC2
1.154 + else if (!strcmp (*args, "-rc2-40"))
1.155 + cipher = EVP_rc2_40_cbc();
1.156 + else if (!strcmp (*args, "-rc2-128"))
1.157 + cipher = EVP_rc2_cbc();
1.158 + else if (!strcmp (*args, "-rc2-64"))
1.159 + cipher = EVP_rc2_64_cbc();
1.160 +#endif
1.161 +#ifndef OPENSSL_NO_AES
1.162 + else if (!strcmp(*args,"-aes128"))
1.163 + cipher = EVP_aes_128_cbc();
1.164 + else if (!strcmp(*args,"-aes192"))
1.165 + cipher = EVP_aes_192_cbc();
1.166 + else if (!strcmp(*args,"-aes256"))
1.167 + cipher = EVP_aes_256_cbc();
1.168 +#endif
1.169 + else if (!strcmp (*args, "-text"))
1.170 + flags |= PKCS7_TEXT;
1.171 + else if (!strcmp (*args, "-nointern"))
1.172 + flags |= PKCS7_NOINTERN;
1.173 + else if (!strcmp (*args, "-noverify"))
1.174 + flags |= PKCS7_NOVERIFY;
1.175 + else if (!strcmp (*args, "-nochain"))
1.176 + flags |= PKCS7_NOCHAIN;
1.177 + else if (!strcmp (*args, "-nocerts"))
1.178 + flags |= PKCS7_NOCERTS;
1.179 + else if (!strcmp (*args, "-noattr"))
1.180 + flags |= PKCS7_NOATTR;
1.181 + else if (!strcmp (*args, "-nodetach"))
1.182 + flags &= ~PKCS7_DETACHED;
1.183 + else if (!strcmp (*args, "-nosmimecap"))
1.184 + flags |= PKCS7_NOSMIMECAP;
1.185 + else if (!strcmp (*args, "-binary"))
1.186 + flags |= PKCS7_BINARY;
1.187 + else if (!strcmp (*args, "-nosigs"))
1.188 + flags |= PKCS7_NOSIGS;
1.189 + else if (!strcmp (*args, "-nooldmime"))
1.190 + flags |= PKCS7_NOOLDMIMETYPE;
1.191 + else if (!strcmp (*args, "-crlfeol"))
1.192 + flags |= PKCS7_CRLFEOL;
1.193 + else if (!strcmp(*args,"-rand"))
1.194 + {
1.195 + if (args[1])
1.196 + {
1.197 + args++;
1.198 + inrand = *args;
1.199 + }
1.200 + else
1.201 + badarg = 1;
1.202 + need_rand = 1;
1.203 + }
1.204 +#ifndef OPENSSL_NO_ENGINE
1.205 + else if (!strcmp(*args,"-engine"))
1.206 + {
1.207 + if (args[1])
1.208 + {
1.209 + args++;
1.210 + engine = *args;
1.211 + }
1.212 + else badarg = 1;
1.213 + }
1.214 +#endif
1.215 + else if (!strcmp(*args,"-passin"))
1.216 + {
1.217 + if (args[1])
1.218 + {
1.219 + args++;
1.220 + passargin = *args;
1.221 + }
1.222 + else
1.223 + badarg = 1;
1.224 + }
1.225 + else if (!strcmp (*args, "-to"))
1.226 + {
1.227 + if (args[1])
1.228 + {
1.229 + args++;
1.230 + to = *args;
1.231 + }
1.232 + else
1.233 + badarg = 1;
1.234 + }
1.235 + else if (!strcmp (*args, "-from"))
1.236 + {
1.237 + if (args[1])
1.238 + {
1.239 + args++;
1.240 + from = *args;
1.241 + }
1.242 + else badarg = 1;
1.243 + }
1.244 + else if (!strcmp (*args, "-subject"))
1.245 + {
1.246 + if (args[1])
1.247 + {
1.248 + args++;
1.249 + subject = *args;
1.250 + }
1.251 + else
1.252 + badarg = 1;
1.253 + }
1.254 + else if (!strcmp (*args, "-signer"))
1.255 + {
1.256 + if (args[1])
1.257 + {
1.258 + args++;
1.259 + signerfile = *args;
1.260 + }
1.261 + else
1.262 + badarg = 1;
1.263 + }
1.264 + else if (!strcmp (*args, "-recip"))
1.265 + {
1.266 + if (args[1])
1.267 + {
1.268 + args++;
1.269 + recipfile = *args;
1.270 + }
1.271 + else badarg = 1;
1.272 + }
1.273 + else if (!strcmp (*args, "-inkey"))
1.274 + {
1.275 + if (args[1])
1.276 + {
1.277 + args++;
1.278 + keyfile = *args;
1.279 + }
1.280 + else
1.281 + badarg = 1;
1.282 + }
1.283 + else if (!strcmp (*args, "-keyform"))
1.284 + {
1.285 + if (args[1])
1.286 + {
1.287 + args++;
1.288 + keyform = str2fmt(*args);
1.289 + }
1.290 + else
1.291 + badarg = 1;
1.292 + }
1.293 + else if (!strcmp (*args, "-certfile"))
1.294 + {
1.295 + if (args[1])
1.296 + {
1.297 + args++;
1.298 + certfile = *args;
1.299 + }
1.300 + else
1.301 + badarg = 1;
1.302 + }
1.303 + else if (!strcmp (*args, "-CAfile"))
1.304 + {
1.305 + if (args[1])
1.306 + {
1.307 + args++;
1.308 + CAfile = *args;
1.309 + }
1.310 + else
1.311 + badarg = 1;
1.312 + }
1.313 + else if (!strcmp (*args, "-CApath"))
1.314 + {
1.315 + if (args[1])
1.316 + {
1.317 + args++;
1.318 + CApath = *args;
1.319 + }
1.320 + else
1.321 + badarg = 1;
1.322 + }
1.323 + else if (!strcmp (*args, "-in"))
1.324 + {
1.325 + if (args[1])
1.326 + {
1.327 + args++;
1.328 + infile = *args;
1.329 + }
1.330 + else
1.331 + badarg = 1;
1.332 + }
1.333 + else if (!strcmp (*args, "-inform"))
1.334 + {
1.335 + if (args[1])
1.336 + {
1.337 + args++;
1.338 + informat = str2fmt(*args);
1.339 + }
1.340 + else
1.341 + badarg = 1;
1.342 + }
1.343 + else if (!strcmp (*args, "-outform"))
1.344 + {
1.345 + if (args[1])
1.346 + {
1.347 + args++;
1.348 + outformat = str2fmt(*args);
1.349 + }
1.350 + else
1.351 + badarg = 1;
1.352 + }
1.353 + else if (!strcmp (*args, "-out"))
1.354 + {
1.355 + if (args[1])
1.356 + {
1.357 + args++;
1.358 + outfile = *args;
1.359 + }
1.360 + else
1.361 + badarg = 1;
1.362 + }
1.363 + else if (!strcmp (*args, "-content"))
1.364 + {
1.365 + if (args[1])
1.366 + {
1.367 + args++;
1.368 + contfile = *args;
1.369 + }
1.370 + else
1.371 + badarg = 1;
1.372 + }
1.373 + else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
1.374 + continue;
1.375 + else
1.376 + badarg = 1;
1.377 + args++;
1.378 + }
1.379 +
1.380 +
1.381 + if (operation == SMIME_SIGN)
1.382 + {
1.383 + if (!signerfile)
1.384 + {
1.385 + BIO_printf(bio_err, "No signer certificate specified\n");
1.386 + badarg = 1;
1.387 + }
1.388 + need_rand = 1;
1.389 + }
1.390 + else if (operation == SMIME_DECRYPT)
1.391 + {
1.392 + if (!recipfile && !keyfile)
1.393 + {
1.394 + BIO_printf(bio_err, "No recipient certificate or key specified\n");
1.395 + badarg = 1;
1.396 + }
1.397 + }
1.398 + else if (operation == SMIME_ENCRYPT)
1.399 + {
1.400 + if (!*args)
1.401 + {
1.402 + BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
1.403 + badarg = 1;
1.404 + }
1.405 + need_rand = 1;
1.406 + }
1.407 + else if (!operation)
1.408 + badarg = 1;
1.409 +
1.410 + if (badarg)
1.411 + {
1.412 + BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
1.413 + BIO_printf (bio_err, "where options are\n");
1.414 + BIO_printf (bio_err, "-encrypt encrypt message\n");
1.415 + BIO_printf (bio_err, "-decrypt decrypt encrypted message\n");
1.416 + BIO_printf (bio_err, "-sign sign message\n");
1.417 + BIO_printf (bio_err, "-verify verify signed message\n");
1.418 + BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n");
1.419 +#ifndef OPENSSL_NO_DES
1.420 + BIO_printf (bio_err, "-des3 encrypt with triple DES\n");
1.421 + BIO_printf (bio_err, "-des encrypt with DES\n");
1.422 +#endif
1.423 +#ifndef OPENSSL_NO_RC2
1.424 + BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n");
1.425 + BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n");
1.426 + BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n");
1.427 +#endif
1.428 +#ifndef OPENSSL_NO_AES
1.429 + BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
1.430 + BIO_printf (bio_err, " encrypt PEM output with cbc aes\n");
1.431 +#endif
1.432 + BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n");
1.433 + BIO_printf (bio_err, "-nosigs don't verify message signature\n");
1.434 + BIO_printf (bio_err, "-noverify don't verify signers certificate\n");
1.435 + BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n");
1.436 + BIO_printf (bio_err, "-nodetach use opaque signing\n");
1.437 + BIO_printf (bio_err, "-noattr don't include any signed attributes\n");
1.438 + BIO_printf (bio_err, "-binary don't translate message to text\n");
1.439 + BIO_printf (bio_err, "-certfile file other certificates file\n");
1.440 + BIO_printf (bio_err, "-signer file signer certificate file\n");
1.441 + BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n");
1.442 + BIO_printf (bio_err, "-in file input file\n");
1.443 + BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n");
1.444 + BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n");
1.445 + BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n");
1.446 + BIO_printf (bio_err, "-out file output file\n");
1.447 + BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n");
1.448 + BIO_printf (bio_err, "-content file supply or override content for detached signature\n");
1.449 + BIO_printf (bio_err, "-to addr to address\n");
1.450 + BIO_printf (bio_err, "-from ad from address\n");
1.451 + BIO_printf (bio_err, "-subject s subject\n");
1.452 + BIO_printf (bio_err, "-text include or delete text MIME headers\n");
1.453 + BIO_printf (bio_err, "-CApath dir trusted certificates directory\n");
1.454 + BIO_printf (bio_err, "-CAfile file trusted certificates file\n");
1.455 + BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n");
1.456 + BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
1.457 +#ifndef OPENSSL_NO_ENGINE
1.458 + BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n");
1.459 +#endif
1.460 + BIO_printf (bio_err, "-passin arg input file pass phrase source\n");
1.461 + BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
1.462 + BIO_printf(bio_err, " load the file (or the files in the directory) into\n");
1.463 + BIO_printf(bio_err, " the random number generator\n");
1.464 + BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n");
1.465 + goto end;
1.466 + }
1.467 +
1.468 +#ifndef OPENSSL_NO_ENGINE
1.469 + e = setup_engine(bio_err, engine, 0);
1.470 +#endif
1.471 +
1.472 + if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
1.473 + {
1.474 + BIO_printf(bio_err, "Error getting password\n");
1.475 + goto end;
1.476 + }
1.477 +
1.478 + if (need_rand)
1.479 + {
1.480 + app_RAND_load_file(NULL, bio_err, (inrand != NULL));
1.481 + if (inrand != NULL)
1.482 + BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1.483 + app_RAND_load_files(inrand));
1.484 + }
1.485 +
1.486 + ret = 2;
1.487 +
1.488 + if (operation != SMIME_SIGN)
1.489 + flags &= ~PKCS7_DETACHED;
1.490 +
1.491 + if (operation & SMIME_OP)
1.492 + {
1.493 + if (flags & PKCS7_BINARY)
1.494 + inmode = "rb";
1.495 + if (outformat == FORMAT_ASN1)
1.496 + outmode = "wb";
1.497 + }
1.498 + else
1.499 + {
1.500 + if (flags & PKCS7_BINARY)
1.501 + outmode = "wb";
1.502 + if (informat == FORMAT_ASN1)
1.503 + inmode = "rb";
1.504 + }
1.505 +
1.506 + if (operation == SMIME_ENCRYPT)
1.507 + {
1.508 + if (!cipher)
1.509 + {
1.510 +#ifndef OPENSSL_NO_RC2
1.511 + cipher = EVP_rc2_40_cbc();
1.512 +#else
1.513 + BIO_printf(bio_err, "No cipher selected\n");
1.514 + goto end;
1.515 +#endif
1.516 + }
1.517 + encerts = sk_X509_new_null();
1.518 + while (*args)
1.519 + {
1.520 + if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
1.521 + NULL, e, "recipient certificate file")))
1.522 + {
1.523 +#if 0 /* An appropriate message is already printed */
1.524 + BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
1.525 +#endif
1.526 + goto end;
1.527 + }
1.528 + sk_X509_push(encerts, cert);
1.529 + cert = NULL;
1.530 + args++;
1.531 + }
1.532 + }
1.533 +
1.534 + if (signerfile && (operation == SMIME_SIGN))
1.535 + {
1.536 + if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL,
1.537 + e, "signer certificate")))
1.538 + {
1.539 +#if 0 /* An appropri message has already been printed */
1.540 + BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
1.541 +#endif
1.542 + goto end;
1.543 + }
1.544 + }
1.545 +
1.546 + if (certfile)
1.547 + {
1.548 + if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
1.549 + e, "certificate file")))
1.550 + {
1.551 +#if 0 /* An appropriate message has already been printed */
1.552 + BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
1.553 +#endif
1.554 + ERR_print_errors(bio_err);
1.555 + goto end;
1.556 + }
1.557 + }
1.558 +
1.559 + if (recipfile && (operation == SMIME_DECRYPT))
1.560 + {
1.561 + if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
1.562 + e, "recipient certificate file")))
1.563 + {
1.564 +#if 0 /* An appropriate message has alrady been printed */
1.565 + BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
1.566 +#endif
1.567 + ERR_print_errors(bio_err);
1.568 + goto end;
1.569 + }
1.570 + }
1.571 +
1.572 + if (operation == SMIME_DECRYPT)
1.573 + {
1.574 + if (!keyfile)
1.575 + keyfile = recipfile;
1.576 + }
1.577 + else if (operation == SMIME_SIGN)
1.578 + {
1.579 + if (!keyfile)
1.580 + keyfile = signerfile;
1.581 + }
1.582 + else keyfile = NULL;
1.583 +
1.584 + if (keyfile)
1.585 + {
1.586 + key = load_key(bio_err, keyfile, keyform, 0, passin, e,
1.587 + "signing key file");
1.588 + if (!key)
1.589 + goto end;
1.590 + }
1.591 +
1.592 + if (infile)
1.593 + {
1.594 + if (!(in = BIO_new_file(infile, inmode)))
1.595 + {
1.596 + BIO_printf (bio_err,
1.597 + "Can't open input file %s\n", infile);
1.598 + goto end;
1.599 + }
1.600 + }
1.601 + else
1.602 + in = BIO_new_fp(stdin, BIO_NOCLOSE);
1.603 +
1.604 +
1.605 + if (outfile)
1.606 + {
1.607 + if (!(out = BIO_new_file(outfile, outmode)))
1.608 + {
1.609 + BIO_printf (bio_err,
1.610 + "Can't open output file %s\n", outfile);
1.611 + goto end;
1.612 + }
1.613 + }
1.614 + else
1.615 + {
1.616 + out = BIO_new_fp(stdout, BIO_NOCLOSE);
1.617 +
1.618 +#ifdef OPENSSL_SYS_VMS
1.619 + {
1.620 + BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1.621 + out = BIO_push(tmpbio, out);
1.622 + }
1.623 +#endif
1.624 + }
1.625 +
1.626 + if (operation == SMIME_VERIFY)
1.627 + {
1.628 + if (!(store = setup_verify(bio_err, CAfile, CApath)))
1.629 + goto end;
1.630 + X509_STORE_set_verify_cb_func(store, smime_cb);
1.631 + if (vpm)
1.632 + X509_STORE_set1_param(store, vpm);
1.633 + }
1.634 +
1.635 +
1.636 + ret = 3;
1.637 +
1.638 + if (operation == SMIME_ENCRYPT)
1.639 + p7 = PKCS7_encrypt(encerts, in, cipher, flags);
1.640 + else if (operation == SMIME_SIGN)
1.641 + {
1.642 + /* If detached data and SMIME output enable partial
1.643 + * signing.
1.644 + */
1.645 + if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME))
1.646 + flags |= PKCS7_STREAM;
1.647 + p7 = PKCS7_sign(signer, key, other, in, flags);
1.648 + /* Don't need to rewind for partial signing */
1.649 + if (!(flags & PKCS7_STREAM) && (BIO_reset(in) != 0))
1.650 + {
1.651 + BIO_printf(bio_err, "Can't rewind input file\n");
1.652 + goto end;
1.653 + }
1.654 + }
1.655 + else
1.656 + {
1.657 + if (informat == FORMAT_SMIME)
1.658 + p7 = SMIME_read_PKCS7(in, &indata);
1.659 + else if (informat == FORMAT_PEM)
1.660 + p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
1.661 + else if (informat == FORMAT_ASN1)
1.662 + p7 = d2i_PKCS7_bio(in, NULL);
1.663 + else
1.664 + {
1.665 + BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
1.666 + goto end;
1.667 + }
1.668 +
1.669 + if (!p7)
1.670 + {
1.671 + BIO_printf(bio_err, "Error reading S/MIME message\n");
1.672 + goto end;
1.673 + }
1.674 + if (contfile)
1.675 + {
1.676 + BIO_free(indata);
1.677 + if (!(indata = BIO_new_file(contfile, "rb")))
1.678 + {
1.679 + BIO_printf(bio_err, "Can't read content file %s\n", contfile);
1.680 + goto end;
1.681 + }
1.682 + }
1.683 + }
1.684 +
1.685 + if (!p7)
1.686 + {
1.687 + BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
1.688 + goto end;
1.689 + }
1.690 +
1.691 + ret = 4;
1.692 + if (operation == SMIME_DECRYPT)
1.693 + {
1.694 + if (!PKCS7_decrypt(p7, key, recip, out, flags))
1.695 + {
1.696 + BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
1.697 + goto end;
1.698 + }
1.699 + }
1.700 + else if (operation == SMIME_VERIFY)
1.701 + {
1.702 + STACK_OF(X509) *signers;
1.703 + if (PKCS7_verify(p7, other, store, indata, out, flags))
1.704 + BIO_printf(bio_err, "Verification successful\n");
1.705 + else
1.706 + {
1.707 + BIO_printf(bio_err, "Verification failure\n");
1.708 + goto end;
1.709 + }
1.710 + signers = PKCS7_get0_signers(p7, other, flags);
1.711 + if (!save_certs(signerfile, signers))
1.712 + {
1.713 + BIO_printf(bio_err, "Error writing signers to %s\n",
1.714 + signerfile);
1.715 + ret = 5;
1.716 + goto end;
1.717 + }
1.718 + sk_X509_free(signers);
1.719 + }
1.720 + else if (operation == SMIME_PK7OUT)
1.721 + PEM_write_bio_PKCS7(out, p7);
1.722 + else
1.723 + {
1.724 + if (to)
1.725 + BIO_printf(out, "To: %s\n", to);
1.726 + if (from)
1.727 + BIO_printf(out, "From: %s\n", from);
1.728 + if (subject)
1.729 + BIO_printf(out, "Subject: %s\n", subject);
1.730 + if (outformat == FORMAT_SMIME)
1.731 + SMIME_write_PKCS7(out, p7, in, flags);
1.732 + else if (outformat == FORMAT_PEM)
1.733 + PEM_write_bio_PKCS7(out,p7);
1.734 + else if (outformat == FORMAT_ASN1)
1.735 + i2d_PKCS7_bio(out,p7);
1.736 + else
1.737 + {
1.738 + BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
1.739 + goto end;
1.740 + }
1.741 + }
1.742 + ret = 0;
1.743 +end:
1.744 + if (need_rand)
1.745 + app_RAND_write_file(NULL, bio_err);
1.746 + if (ret) ERR_print_errors(bio_err);
1.747 + sk_X509_pop_free(encerts, X509_free);
1.748 + sk_X509_pop_free(other, X509_free);
1.749 + if (vpm)
1.750 + X509_VERIFY_PARAM_free(vpm);
1.751 + X509_STORE_free(store);
1.752 + X509_free(cert);
1.753 + X509_free(recip);
1.754 + X509_free(signer);
1.755 + EVP_PKEY_free(key);
1.756 + PKCS7_free(p7);
1.757 + BIO_free(in);
1.758 + BIO_free(indata);
1.759 + BIO_free_all(out);
1.760 + if (passin) OPENSSL_free(passin);
1.761 + return (ret);
1.762 +}
1.763 +
1.764 +static int save_certs(char *signerfile, STACK_OF(X509) *signers)
1.765 + {
1.766 + int i;
1.767 + BIO *tmp;
1.768 + if (!signerfile)
1.769 + return 1;
1.770 + tmp = BIO_new_file(signerfile, "w");
1.771 + if (!tmp) return 0;
1.772 + for(i = 0; i < sk_X509_num(signers); i++)
1.773 + PEM_write_bio_X509(tmp, sk_X509_value(signers, i));
1.774 + BIO_free(tmp);
1.775 + return 1;
1.776 + }
1.777 +
1.778 +
1.779 +/* Minimal callback just to output policy info (if any) */
1.780 +
1.781 +static int smime_cb(int ok, X509_STORE_CTX *ctx)
1.782 + {
1.783 + int error;
1.784 +
1.785 + error = X509_STORE_CTX_get_error(ctx);
1.786 +
1.787 + if ((error != X509_V_ERR_NO_EXPLICIT_POLICY)
1.788 + && ((error != X509_V_OK) || (ok != 2)))
1.789 + return ok;
1.790 +
1.791 + policies_print(NULL, ctx);
1.792 +
1.793 + return ok;
1.794 +
1.795 + }