| 1 |
/* apps/cms.c */ |
| 2 |
/* |
| 3 |
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
| 4 |
* project. |
| 5 |
*/ |
| 6 |
/* ==================================================================== |
| 7 |
* Copyright (c) 2008 The OpenSSL Project. All rights reserved. |
| 8 |
* |
| 9 |
* Redistribution and use in source and binary forms, with or without |
| 10 |
* modification, are permitted provided that the following conditions |
| 11 |
* are met: |
| 12 |
* |
| 13 |
* 1. Redistributions of source code must retain the above copyright |
| 14 |
* notice, this list of conditions and the following disclaimer. |
| 15 |
* |
| 16 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 17 |
* notice, this list of conditions and the following disclaimer in |
| 18 |
* the documentation and/or other materials provided with the |
| 19 |
* distribution. |
| 20 |
* |
| 21 |
* 3. All advertising materials mentioning features or use of this |
| 22 |
* software must display the following acknowledgment: |
| 23 |
* "This product includes software developed by the OpenSSL Project |
| 24 |
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| 25 |
* |
| 26 |
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 27 |
* endorse or promote products derived from this software without |
| 28 |
* prior written permission. For written permission, please contact |
| 29 |
* licensing@OpenSSL.org. |
| 30 |
* |
| 31 |
* 5. Products derived from this software may not be called "OpenSSL" |
| 32 |
* nor may "OpenSSL" appear in their names without prior written |
| 33 |
* permission of the OpenSSL Project. |
| 34 |
* |
| 35 |
* 6. Redistributions of any form whatsoever must retain the following |
| 36 |
* acknowledgment: |
| 37 |
* "This product includes software developed by the OpenSSL Project |
| 38 |
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| 39 |
* |
| 40 |
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 41 |
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 43 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 44 |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 45 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 46 |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 47 |
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 48 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 49 |
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 50 |
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 51 |
* OF THE POSSIBILITY OF SUCH DAMAGE. |
| 52 |
* ==================================================================== |
| 53 |
*/ |
| 54 |
|
| 55 |
/* CMS utility function */ |
| 56 |
|
| 57 |
#include <stdio.h> |
| 58 |
#include <string.h> |
| 59 |
#include "apps.h" |
| 60 |
|
| 61 |
#ifndef OPENSSL_NO_CMS |
| 62 |
|
| 63 |
# include <openssl/crypto.h> |
| 64 |
# include <openssl/pem.h> |
| 65 |
# include <openssl/err.h> |
| 66 |
# include <openssl/x509_vfy.h> |
| 67 |
# include <openssl/x509v3.h> |
| 68 |
# include <openssl/cms.h> |
| 69 |
|
| 70 |
# undef PROG |
| 71 |
# define PROG cms_main |
| 72 |
static int save_certs(char *signerfile, STACK_OF(X509) *signers); |
| 73 |
static int cms_cb(int ok, X509_STORE_CTX *ctx); |
| 74 |
static void receipt_request_print(BIO *out, CMS_ContentInfo *cms); |
| 75 |
static CMS_ReceiptRequest *make_receipt_request(STACK * rr_to, |
| 76 |
int rr_allorfirst, |
| 77 |
STACK * rr_from); |
| 78 |
|
| 79 |
# define SMIME_OP 0x10 |
| 80 |
# define SMIME_IP 0x20 |
| 81 |
# define SMIME_SIGNERS 0x40 |
| 82 |
# define SMIME_ENCRYPT (1 | SMIME_OP) |
| 83 |
# define SMIME_DECRYPT (2 | SMIME_IP) |
| 84 |
# define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) |
| 85 |
# define SMIME_VERIFY (4 | SMIME_IP) |
| 86 |
# define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP) |
| 87 |
# define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) |
| 88 |
# define SMIME_DATAOUT (7 | SMIME_IP) |
| 89 |
# define SMIME_DATA_CREATE (8 | SMIME_OP) |
| 90 |
# define SMIME_DIGEST_VERIFY (9 | SMIME_IP) |
| 91 |
# define SMIME_DIGEST_CREATE (10 | SMIME_OP) |
| 92 |
# define SMIME_UNCOMPRESS (11 | SMIME_IP) |
| 93 |
# define SMIME_COMPRESS (12 | SMIME_OP) |
| 94 |
# define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP) |
| 95 |
# define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP) |
| 96 |
# define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP) |
| 97 |
# define SMIME_VERIFY_RECEIPT (16 | SMIME_IP) |
| 98 |
|
| 99 |
int MAIN(int, char **); |
| 100 |
|
| 101 |
int MAIN(int argc, char **argv) |
| 102 |
{ |
| 103 |
ENGINE *e = NULL; |
| 104 |
int operation = 0; |
| 105 |
int ret = 0; |
| 106 |
char **args; |
| 107 |
const char *inmode = "r", *outmode = "w"; |
| 108 |
char *infile = NULL, *outfile = NULL, *rctfile = NULL; |
| 109 |
char *signerfile = NULL, *recipfile = NULL; |
| 110 |
STACK *sksigners = NULL, *skkeys = NULL; |
| 111 |
char *certfile = NULL, *keyfile = NULL, *contfile = NULL; |
| 112 |
char *certsoutfile = NULL; |
| 113 |
const EVP_CIPHER *cipher = NULL; |
| 114 |
CMS_ContentInfo *cms = NULL, *rcms = NULL; |
| 115 |
X509_STORE *store = NULL; |
| 116 |
X509 *cert = NULL, *recip = NULL, *signer = NULL; |
| 117 |
EVP_PKEY *key = NULL; |
| 118 |
STACK_OF(X509) *encerts = NULL, *other = NULL; |
| 119 |
BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL; |
| 120 |
int badarg = 0; |
| 121 |
int flags = CMS_DETACHED; |
| 122 |
int rr_print = 0, rr_allorfirst = -1; |
| 123 |
STACK *rr_to = NULL, *rr_from = NULL; |
| 124 |
CMS_ReceiptRequest *rr = NULL; |
| 125 |
char *to = NULL, *from = NULL, *subject = NULL; |
| 126 |
char *CAfile = NULL, *CApath = NULL; |
| 127 |
char *passargin = NULL, *passin = NULL; |
| 128 |
char *inrand = NULL; |
| 129 |
int need_rand = 0; |
| 130 |
const EVP_MD *sign_md = NULL; |
| 131 |
int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; |
| 132 |
int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM; |
| 133 |
# ifndef OPENSSL_NO_ENGINE |
| 134 |
char *engine = NULL; |
| 135 |
# endif |
| 136 |
unsigned char *secret_key = NULL, *secret_keyid = NULL; |
| 137 |
size_t secret_keylen = 0, secret_keyidlen = 0; |
| 138 |
|
| 139 |
ASN1_OBJECT *econtent_type = NULL; |
| 140 |
|
| 141 |
X509_VERIFY_PARAM *vpm = NULL; |
| 142 |
|
| 143 |
args = argv + 1; |
| 144 |
ret = 1; |
| 145 |
|
| 146 |
apps_startup(); |
| 147 |
|
| 148 |
if (bio_err == NULL) { |
| 149 |
if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
| 150 |
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); |
| 151 |
} |
| 152 |
|
| 153 |
if (!load_config(bio_err, NULL)) |
| 154 |
goto end; |
| 155 |
|
| 156 |
while (!badarg && *args && *args[0] == '-') { |
| 157 |
if (!strcmp(*args, "-encrypt")) |
| 158 |
operation = SMIME_ENCRYPT; |
| 159 |
else if (!strcmp(*args, "-decrypt")) |
| 160 |
operation = SMIME_DECRYPT; |
| 161 |
else if (!strcmp(*args, "-sign")) |
| 162 |
operation = SMIME_SIGN; |
| 163 |
else if (!strcmp(*args, "-sign_receipt")) |
| 164 |
operation = SMIME_SIGN_RECEIPT; |
| 165 |
else if (!strcmp(*args, "-resign")) |
| 166 |
operation = SMIME_RESIGN; |
| 167 |
else if (!strcmp(*args, "-verify")) |
| 168 |
operation = SMIME_VERIFY; |
| 169 |
else if (!strcmp(*args, "-verify_receipt")) { |
| 170 |
operation = SMIME_VERIFY_RECEIPT; |
| 171 |
if (!args[1]) |
| 172 |
goto argerr; |
| 173 |
args++; |
| 174 |
rctfile = *args; |
| 175 |
} else if (!strcmp(*args, "-cmsout")) |
| 176 |
operation = SMIME_CMSOUT; |
| 177 |
else if (!strcmp(*args, "-data_out")) |
| 178 |
operation = SMIME_DATAOUT; |
| 179 |
else if (!strcmp(*args, "-data_create")) |
| 180 |
operation = SMIME_DATA_CREATE; |
| 181 |
else if (!strcmp(*args, "-digest_verify")) |
| 182 |
operation = SMIME_DIGEST_VERIFY; |
| 183 |
else if (!strcmp(*args, "-digest_create")) |
| 184 |
operation = SMIME_DIGEST_CREATE; |
| 185 |
else if (!strcmp(*args, "-compress")) |
| 186 |
operation = SMIME_COMPRESS; |
| 187 |
else if (!strcmp(*args, "-uncompress")) |
| 188 |
operation = SMIME_UNCOMPRESS; |
| 189 |
else if (!strcmp(*args, "-EncryptedData_decrypt")) |
| 190 |
operation = SMIME_ENCRYPTED_DECRYPT; |
| 191 |
else if (!strcmp(*args, "-EncryptedData_encrypt")) |
| 192 |
operation = SMIME_ENCRYPTED_ENCRYPT; |
| 193 |
# ifndef OPENSSL_NO_DES |
| 194 |
else if (!strcmp(*args, "-des3")) |
| 195 |
cipher = EVP_des_ede3_cbc(); |
| 196 |
else if (!strcmp(*args, "-des")) |
| 197 |
cipher = EVP_des_cbc(); |
| 198 |
# endif |
| 199 |
# ifndef OPENSSL_NO_SEED |
| 200 |
else if (!strcmp(*args, "-seed")) |
| 201 |
cipher = EVP_seed_cbc(); |
| 202 |
# endif |
| 203 |
# ifndef OPENSSL_NO_RC2 |
| 204 |
else if (!strcmp(*args, "-rc2-40")) |
| 205 |
cipher = EVP_rc2_40_cbc(); |
| 206 |
else if (!strcmp(*args, "-rc2-128")) |
| 207 |
cipher = EVP_rc2_cbc(); |
| 208 |
else if (!strcmp(*args, "-rc2-64")) |
| 209 |
cipher = EVP_rc2_64_cbc(); |
| 210 |
# endif |
| 211 |
# ifndef OPENSSL_NO_AES |
| 212 |
else if (!strcmp(*args, "-aes128")) |
| 213 |
cipher = EVP_aes_128_cbc(); |
| 214 |
else if (!strcmp(*args, "-aes192")) |
| 215 |
cipher = EVP_aes_192_cbc(); |
| 216 |
else if (!strcmp(*args, "-aes256")) |
| 217 |
cipher = EVP_aes_256_cbc(); |
| 218 |
# endif |
| 219 |
# ifndef OPENSSL_NO_CAMELLIA |
| 220 |
else if (!strcmp(*args, "-camellia128")) |
| 221 |
cipher = EVP_camellia_128_cbc(); |
| 222 |
else if (!strcmp(*args, "-camellia192")) |
| 223 |
cipher = EVP_camellia_192_cbc(); |
| 224 |
else if (!strcmp(*args, "-camellia256")) |
| 225 |
cipher = EVP_camellia_256_cbc(); |
| 226 |
# endif |
| 227 |
else if (!strcmp(*args, "-debug_decrypt")) |
| 228 |
flags |= CMS_DEBUG_DECRYPT; |
| 229 |
else if (!strcmp(*args, "-text")) |
| 230 |
flags |= CMS_TEXT; |
| 231 |
else if (!strcmp(*args, "-nointern")) |
| 232 |
flags |= CMS_NOINTERN; |
| 233 |
else if (!strcmp(*args, "-noverify") |
| 234 |
|| !strcmp(*args, "-no_signer_cert_verify")) |
| 235 |
flags |= CMS_NO_SIGNER_CERT_VERIFY; |
| 236 |
else if (!strcmp(*args, "-nocerts")) |
| 237 |
flags |= CMS_NOCERTS; |
| 238 |
else if (!strcmp(*args, "-noattr")) |
| 239 |
flags |= CMS_NOATTR; |
| 240 |
else if (!strcmp(*args, "-nodetach")) |
| 241 |
flags &= ~CMS_DETACHED; |
| 242 |
else if (!strcmp(*args, "-nosmimecap")) |
| 243 |
flags |= CMS_NOSMIMECAP; |
| 244 |
else if (!strcmp(*args, "-binary")) |
| 245 |
flags |= CMS_BINARY; |
| 246 |
else if (!strcmp(*args, "-keyid")) |
| 247 |
flags |= CMS_USE_KEYID; |
| 248 |
else if (!strcmp(*args, "-nosigs")) |
| 249 |
flags |= CMS_NOSIGS; |
| 250 |
else if (!strcmp(*args, "-no_content_verify")) |
| 251 |
flags |= CMS_NO_CONTENT_VERIFY; |
| 252 |
else if (!strcmp(*args, "-no_attr_verify")) |
| 253 |
flags |= CMS_NO_ATTR_VERIFY; |
| 254 |
else if (!strcmp(*args, "-stream")) { |
| 255 |
args++; |
| 256 |
continue; |
| 257 |
} else if (!strcmp(*args, "-indef")) { |
| 258 |
args++; |
| 259 |
continue; |
| 260 |
} else if (!strcmp(*args, "-noindef")) |
| 261 |
flags &= ~CMS_STREAM; |
| 262 |
else if (!strcmp(*args, "-nooldmime")) |
| 263 |
flags |= CMS_NOOLDMIMETYPE; |
| 264 |
else if (!strcmp(*args, "-crlfeol")) |
| 265 |
flags |= CMS_CRLFEOL; |
| 266 |
else if (!strcmp(*args, "-receipt_request_print")) |
| 267 |
rr_print = 1; |
| 268 |
else if (!strcmp(*args, "-receipt_request_all")) |
| 269 |
rr_allorfirst = 0; |
| 270 |
else if (!strcmp(*args, "-receipt_request_first")) |
| 271 |
rr_allorfirst = 1; |
| 272 |
else if (!strcmp(*args, "-receipt_request_from")) { |
| 273 |
if (!args[1]) |
| 274 |
goto argerr; |
| 275 |
args++; |
| 276 |
if (!rr_from) |
| 277 |
rr_from = sk_new_null(); |
| 278 |
sk_push(rr_from, *args); |
| 279 |
} else if (!strcmp(*args, "-receipt_request_to")) { |
| 280 |
if (!args[1]) |
| 281 |
goto argerr; |
| 282 |
args++; |
| 283 |
if (!rr_to) |
| 284 |
rr_to = sk_new_null(); |
| 285 |
sk_push(rr_to, *args); |
| 286 |
} else if (!strcmp(*args, "-secretkey")) { |
| 287 |
long ltmp; |
| 288 |
if (!args[1]) |
| 289 |
goto argerr; |
| 290 |
args++; |
| 291 |
secret_key = string_to_hex(*args, <mp); |
| 292 |
if (!secret_key) { |
| 293 |
BIO_printf(bio_err, "Invalid key %s\n", *args); |
| 294 |
goto argerr; |
| 295 |
} |
| 296 |
secret_keylen = (size_t)ltmp; |
| 297 |
} else if (!strcmp(*args, "-secretkeyid")) { |
| 298 |
long ltmp; |
| 299 |
if (!args[1]) |
| 300 |
goto argerr; |
| 301 |
args++; |
| 302 |
secret_keyid = string_to_hex(*args, <mp); |
| 303 |
if (!secret_keyid) { |
| 304 |
BIO_printf(bio_err, "Invalid id %s\n", *args); |
| 305 |
goto argerr; |
| 306 |
} |
| 307 |
secret_keyidlen = (size_t)ltmp; |
| 308 |
} else if (!strcmp(*args, "-econtent_type")) { |
| 309 |
if (!args[1]) |
| 310 |
goto argerr; |
| 311 |
args++; |
| 312 |
econtent_type = OBJ_txt2obj(*args, 0); |
| 313 |
if (!econtent_type) { |
| 314 |
BIO_printf(bio_err, "Invalid OID %s\n", *args); |
| 315 |
goto argerr; |
| 316 |
} |
| 317 |
} else if (!strcmp(*args, "-rand")) { |
| 318 |
if (!args[1]) |
| 319 |
goto argerr; |
| 320 |
args++; |
| 321 |
inrand = *args; |
| 322 |
need_rand = 1; |
| 323 |
} |
| 324 |
# ifndef OPENSSL_NO_ENGINE |
| 325 |
else if (!strcmp(*args, "-engine")) { |
| 326 |
if (!args[1]) |
| 327 |
goto argerr; |
| 328 |
engine = *++args; |
| 329 |
} |
| 330 |
# endif |
| 331 |
else if (!strcmp(*args, "-passin")) { |
| 332 |
if (!args[1]) |
| 333 |
goto argerr; |
| 334 |
passargin = *++args; |
| 335 |
} else if (!strcmp(*args, "-to")) { |
| 336 |
if (!args[1]) |
| 337 |
goto argerr; |
| 338 |
to = *++args; |
| 339 |
} else if (!strcmp(*args, "-from")) { |
| 340 |
if (!args[1]) |
| 341 |
goto argerr; |
| 342 |
from = *++args; |
| 343 |
} else if (!strcmp(*args, "-subject")) { |
| 344 |
if (!args[1]) |
| 345 |
goto argerr; |
| 346 |
subject = *++args; |
| 347 |
} else if (!strcmp(*args, "-signer")) { |
| 348 |
if (!args[1]) |
| 349 |
goto argerr; |
| 350 |
/* If previous -signer argument add signer to list */ |
| 351 |
|
| 352 |
if (signerfile) { |
| 353 |
if (!sksigners) |
| 354 |
sksigners = sk_new_null(); |
| 355 |
sk_push(sksigners, signerfile); |
| 356 |
if (!keyfile) |
| 357 |
keyfile = signerfile; |
| 358 |
if (!skkeys) |
| 359 |
skkeys = sk_new_null(); |
| 360 |
sk_push(skkeys, keyfile); |
| 361 |
keyfile = NULL; |
| 362 |
} |
| 363 |
signerfile = *++args; |
| 364 |
} else if (!strcmp(*args, "-recip")) { |
| 365 |
if (!args[1]) |
| 366 |
goto argerr; |
| 367 |
recipfile = *++args; |
| 368 |
} else if (!strcmp(*args, "-certsout")) { |
| 369 |
if (!args[1]) |
| 370 |
goto argerr; |
| 371 |
certsoutfile = *++args; |
| 372 |
} else if (!strcmp(*args, "-md")) { |
| 373 |
if (!args[1]) |
| 374 |
goto argerr; |
| 375 |
sign_md = EVP_get_digestbyname(*++args); |
| 376 |
if (sign_md == NULL) { |
| 377 |
BIO_printf(bio_err, "Unknown digest %s\n", *args); |
| 378 |
goto argerr; |
| 379 |
} |
| 380 |
} else if (!strcmp(*args, "-inkey")) { |
| 381 |
if (!args[1]) |
| 382 |
goto argerr; |
| 383 |
/* If previous -inkey arument add signer to list */ |
| 384 |
if (keyfile) { |
| 385 |
if (!signerfile) { |
| 386 |
BIO_puts(bio_err, "Illegal -inkey without -signer\n"); |
| 387 |
goto argerr; |
| 388 |
} |
| 389 |
if (!sksigners) |
| 390 |
sksigners = sk_new_null(); |
| 391 |
sk_push(sksigners, signerfile); |
| 392 |
signerfile = NULL; |
| 393 |
if (!skkeys) |
| 394 |
skkeys = sk_new_null(); |
| 395 |
sk_push(skkeys, keyfile); |
| 396 |
} |
| 397 |
keyfile = *++args; |
| 398 |
} else if (!strcmp(*args, "-keyform")) { |
| 399 |
if (!args[1]) |
| 400 |
goto argerr; |
| 401 |
keyform = str2fmt(*++args); |
| 402 |
} else if (!strcmp(*args, "-rctform")) { |
| 403 |
if (!args[1]) |
| 404 |
goto argerr; |
| 405 |
rctformat = str2fmt(*++args); |
| 406 |
} else if (!strcmp(*args, "-certfile")) { |
| 407 |
if (!args[1]) |
| 408 |
goto argerr; |
| 409 |
certfile = *++args; |
| 410 |
} else if (!strcmp(*args, "-CAfile")) { |
| 411 |
if (!args[1]) |
| 412 |
goto argerr; |
| 413 |
CAfile = *++args; |
| 414 |
} else if (!strcmp(*args, "-CApath")) { |
| 415 |
if (!args[1]) |
| 416 |
goto argerr; |
| 417 |
CApath = *++args; |
| 418 |
} else if (!strcmp(*args, "-in")) { |
| 419 |
if (!args[1]) |
| 420 |
goto argerr; |
| 421 |
infile = *++args; |
| 422 |
} else if (!strcmp(*args, "-inform")) { |
| 423 |
if (!args[1]) |
| 424 |
goto argerr; |
| 425 |
informat = str2fmt(*++args); |
| 426 |
} else if (!strcmp(*args, "-outform")) { |
| 427 |
if (!args[1]) |
| 428 |
goto argerr; |
| 429 |
outformat = str2fmt(*++args); |
| 430 |
} else if (!strcmp(*args, "-out")) { |
| 431 |
if (!args[1]) |
| 432 |
goto argerr; |
| 433 |
outfile = *++args; |
| 434 |
} else if (!strcmp(*args, "-content")) { |
| 435 |
if (!args[1]) |
| 436 |
goto argerr; |
| 437 |
contfile = *++args; |
| 438 |
} else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) |
| 439 |
continue; |
| 440 |
else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) |
| 441 |
badarg = 1; |
| 442 |
args++; |
| 443 |
} |
| 444 |
|
| 445 |
if (((rr_allorfirst != -1) || rr_from) && !rr_to) { |
| 446 |
BIO_puts(bio_err, "No Signed Receipts Recipients\n"); |
| 447 |
goto argerr; |
| 448 |
} |
| 449 |
|
| 450 |
if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) { |
| 451 |
BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); |
| 452 |
goto argerr; |
| 453 |
} |
| 454 |
if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) { |
| 455 |
BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); |
| 456 |
goto argerr; |
| 457 |
} |
| 458 |
|
| 459 |
if (operation & SMIME_SIGNERS) { |
| 460 |
if (keyfile && !signerfile) { |
| 461 |
BIO_puts(bio_err, "Illegal -inkey without -signer\n"); |
| 462 |
goto argerr; |
| 463 |
} |
| 464 |
/* Check to see if any final signer needs to be appended */ |
| 465 |
if (signerfile) { |
| 466 |
if (!sksigners) |
| 467 |
sksigners = sk_new_null(); |
| 468 |
sk_push(sksigners, signerfile); |
| 469 |
if (!skkeys) |
| 470 |
skkeys = sk_new_null(); |
| 471 |
if (!keyfile) |
| 472 |
keyfile = signerfile; |
| 473 |
sk_push(skkeys, keyfile); |
| 474 |
} |
| 475 |
if (!sksigners) { |
| 476 |
BIO_printf(bio_err, "No signer certificate specified\n"); |
| 477 |
badarg = 1; |
| 478 |
} |
| 479 |
signerfile = NULL; |
| 480 |
keyfile = NULL; |
| 481 |
need_rand = 1; |
| 482 |
} |
| 483 |
|
| 484 |
else if (operation == SMIME_DECRYPT) { |
| 485 |
if (!recipfile && !keyfile && !secret_key) { |
| 486 |
BIO_printf(bio_err, |
| 487 |
"No recipient certificate or key specified\n"); |
| 488 |
badarg = 1; |
| 489 |
} |
| 490 |
} else if (operation == SMIME_ENCRYPT) { |
| 491 |
if (!*args && !secret_key) { |
| 492 |
BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); |
| 493 |
badarg = 1; |
| 494 |
} |
| 495 |
need_rand = 1; |
| 496 |
} else if (!operation) |
| 497 |
badarg = 1; |
| 498 |
|
| 499 |
if (badarg) { |
| 500 |
argerr: |
| 501 |
BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n"); |
| 502 |
BIO_printf(bio_err, "where options are\n"); |
| 503 |
BIO_printf(bio_err, "-encrypt encrypt message\n"); |
| 504 |
BIO_printf(bio_err, "-decrypt decrypt encrypted message\n"); |
| 505 |
BIO_printf(bio_err, "-sign sign message\n"); |
| 506 |
BIO_printf(bio_err, "-verify verify signed message\n"); |
| 507 |
BIO_printf(bio_err, "-cmsout output CMS structure\n"); |
| 508 |
# ifndef OPENSSL_NO_DES |
| 509 |
BIO_printf(bio_err, "-des3 encrypt with triple DES\n"); |
| 510 |
BIO_printf(bio_err, "-des encrypt with DES\n"); |
| 511 |
# endif |
| 512 |
# ifndef OPENSSL_NO_SEED |
| 513 |
BIO_printf(bio_err, "-seed encrypt with SEED\n"); |
| 514 |
# endif |
| 515 |
# ifndef OPENSSL_NO_RC2 |
| 516 |
BIO_printf(bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); |
| 517 |
BIO_printf(bio_err, "-rc2-64 encrypt with RC2-64\n"); |
| 518 |
BIO_printf(bio_err, "-rc2-128 encrypt with RC2-128\n"); |
| 519 |
# endif |
| 520 |
# ifndef OPENSSL_NO_AES |
| 521 |
BIO_printf(bio_err, "-aes128, -aes192, -aes256\n"); |
| 522 |
BIO_printf(bio_err, |
| 523 |
" encrypt PEM output with cbc aes\n"); |
| 524 |
# endif |
| 525 |
# ifndef OPENSSL_NO_CAMELLIA |
| 526 |
BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n"); |
| 527 |
BIO_printf(bio_err, |
| 528 |
" encrypt PEM output with cbc camellia\n"); |
| 529 |
# endif |
| 530 |
BIO_printf(bio_err, |
| 531 |
"-nointern don't search certificates in message for signer\n"); |
| 532 |
BIO_printf(bio_err, |
| 533 |
"-nosigs don't verify message signature\n"); |
| 534 |
BIO_printf(bio_err, |
| 535 |
"-noverify don't verify signers certificate\n"); |
| 536 |
BIO_printf(bio_err, |
| 537 |
"-nocerts don't include signers certificate when signing\n"); |
| 538 |
BIO_printf(bio_err, "-nodetach use opaque signing\n"); |
| 539 |
BIO_printf(bio_err, |
| 540 |
"-noattr don't include any signed attributes\n"); |
| 541 |
BIO_printf(bio_err, |
| 542 |
"-binary don't translate message to text\n"); |
| 543 |
BIO_printf(bio_err, "-certfile file other certificates file\n"); |
| 544 |
BIO_printf(bio_err, "-certsout file certificate output file\n"); |
| 545 |
BIO_printf(bio_err, "-signer file signer certificate file\n"); |
| 546 |
BIO_printf(bio_err, |
| 547 |
"-recip file recipient certificate file for decryption\n"); |
| 548 |
BIO_printf(bio_err, "-keyid use subject key identifier\n"); |
| 549 |
BIO_printf(bio_err, "-in file input file\n"); |
| 550 |
BIO_printf(bio_err, |
| 551 |
"-inform arg input format SMIME (default), PEM or DER\n"); |
| 552 |
BIO_printf(bio_err, |
| 553 |
"-inkey file input private key (if not signer or recipient)\n"); |
| 554 |
BIO_printf(bio_err, |
| 555 |
"-keyform arg input private key format (PEM or ENGINE)\n"); |
| 556 |
BIO_printf(bio_err, "-out file output file\n"); |
| 557 |
BIO_printf(bio_err, |
| 558 |
"-outform arg output format SMIME (default), PEM or DER\n"); |
| 559 |
BIO_printf(bio_err, |
| 560 |
"-content file supply or override content for detached signature\n"); |
| 561 |
BIO_printf(bio_err, "-to addr to address\n"); |
| 562 |
BIO_printf(bio_err, "-from ad from address\n"); |
| 563 |
BIO_printf(bio_err, "-subject s subject\n"); |
| 564 |
BIO_printf(bio_err, |
| 565 |
"-text include or delete text MIME headers\n"); |
| 566 |
BIO_printf(bio_err, |
| 567 |
"-CApath dir trusted certificates directory\n"); |
| 568 |
BIO_printf(bio_err, "-CAfile file trusted certificates file\n"); |
| 569 |
BIO_printf(bio_err, |
| 570 |
"-crl_check check revocation status of signer's certificate using CRLs\n"); |
| 571 |
BIO_printf(bio_err, |
| 572 |
"-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); |
| 573 |
# ifndef OPENSSL_NO_ENGINE |
| 574 |
BIO_printf(bio_err, |
| 575 |
"-engine e use engine e, possibly a hardware device.\n"); |
| 576 |
# endif |
| 577 |
BIO_printf(bio_err, "-passin arg input file pass phrase source\n"); |
| 578 |
BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, |
| 579 |
LIST_SEPARATOR_CHAR); |
| 580 |
BIO_printf(bio_err, |
| 581 |
" load the file (or the files in the directory) into\n"); |
| 582 |
BIO_printf(bio_err, " the random number generator\n"); |
| 583 |
BIO_printf(bio_err, |
| 584 |
"cert.pem recipient certificate(s) for encryption\n"); |
| 585 |
goto end; |
| 586 |
} |
| 587 |
# ifndef OPENSSL_NO_ENGINE |
| 588 |
e = setup_engine(bio_err, engine, 0); |
| 589 |
# endif |
| 590 |
|
| 591 |
if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { |
| 592 |
BIO_printf(bio_err, "Error getting password\n"); |
| 593 |
goto end; |
| 594 |
} |
| 595 |
|
| 596 |
if (need_rand) { |
| 597 |
app_RAND_load_file(NULL, bio_err, (inrand != NULL)); |
| 598 |
if (inrand != NULL) |
| 599 |
BIO_printf(bio_err, "%ld semi-random bytes loaded\n", |
| 600 |
app_RAND_load_files(inrand)); |
| 601 |
} |
| 602 |
|
| 603 |
ret = 2; |
| 604 |
|
| 605 |
if (!(operation & SMIME_SIGNERS)) |
| 606 |
flags &= ~CMS_DETACHED; |
| 607 |
|
| 608 |
if (operation & SMIME_OP) { |
| 609 |
if (outformat == FORMAT_ASN1) |
| 610 |
outmode = "wb"; |
| 611 |
} else { |
| 612 |
if (flags & CMS_BINARY) |
| 613 |
outmode = "wb"; |
| 614 |
} |
| 615 |
|
| 616 |
if (operation & SMIME_IP) { |
| 617 |
if (informat == FORMAT_ASN1) |
| 618 |
inmode = "rb"; |
| 619 |
} else { |
| 620 |
if (flags & CMS_BINARY) |
| 621 |
inmode = "rb"; |
| 622 |
} |
| 623 |
|
| 624 |
if (operation == SMIME_ENCRYPT) { |
| 625 |
if (!cipher) { |
| 626 |
# ifndef OPENSSL_NO_DES |
| 627 |
cipher = EVP_des_ede3_cbc(); |
| 628 |
# else |
| 629 |
BIO_printf(bio_err, "No cipher selected\n"); |
| 630 |
goto end; |
| 631 |
# endif |
| 632 |
} |
| 633 |
|
| 634 |
if (secret_key && !secret_keyid) { |
| 635 |
BIO_printf(bio_err, "No sectre key id\n"); |
| 636 |
goto end; |
| 637 |
} |
| 638 |
|
| 639 |
if (*args) |
| 640 |
encerts = sk_X509_new_null(); |
| 641 |
while (*args) { |
| 642 |
if (!(cert = load_cert(bio_err, *args, FORMAT_PEM, |
| 643 |
NULL, e, "recipient certificate file"))) |
| 644 |
goto end; |
| 645 |
sk_X509_push(encerts, cert); |
| 646 |
cert = NULL; |
| 647 |
args++; |
| 648 |
} |
| 649 |
} |
| 650 |
|
| 651 |
if (certfile) { |
| 652 |
if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL, |
| 653 |
e, "certificate file"))) { |
| 654 |
ERR_print_errors(bio_err); |
| 655 |
goto end; |
| 656 |
} |
| 657 |
} |
| 658 |
|
| 659 |
if (recipfile && (operation == SMIME_DECRYPT)) { |
| 660 |
if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL, |
| 661 |
e, "recipient certificate file"))) { |
| 662 |
ERR_print_errors(bio_err); |
| 663 |
goto end; |
| 664 |
} |
| 665 |
} |
| 666 |
|
| 667 |
if (operation == SMIME_SIGN_RECEIPT) { |
| 668 |
if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL, |
| 669 |
e, "receipt signer certificate file"))) { |
| 670 |
ERR_print_errors(bio_err); |
| 671 |
goto end; |
| 672 |
} |
| 673 |
} |
| 674 |
|
| 675 |
if (operation == SMIME_DECRYPT) { |
| 676 |
if (!keyfile) |
| 677 |
keyfile = recipfile; |
| 678 |
} else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) { |
| 679 |
if (!keyfile) |
| 680 |
keyfile = signerfile; |
| 681 |
} else |
| 682 |
keyfile = NULL; |
| 683 |
|
| 684 |
if (keyfile) { |
| 685 |
key = load_key(bio_err, keyfile, keyform, 0, passin, e, |
| 686 |
"signing key file"); |
| 687 |
if (!key) |
| 688 |
goto end; |
| 689 |
} |
| 690 |
|
| 691 |
if (infile) { |
| 692 |
if (!(in = BIO_new_file(infile, inmode))) { |
| 693 |
BIO_printf(bio_err, "Can't open input file %s\n", infile); |
| 694 |
goto end; |
| 695 |
} |
| 696 |
} else |
| 697 |
in = BIO_new_fp(stdin, BIO_NOCLOSE); |
| 698 |
|
| 699 |
if (operation & SMIME_IP) { |
| 700 |
if (informat == FORMAT_SMIME) |
| 701 |
cms = SMIME_read_CMS(in, &indata); |
| 702 |
else if (informat == FORMAT_PEM) |
| 703 |
cms = PEM_read_bio_CMS(in, NULL, NULL, NULL); |
| 704 |
else if (informat == FORMAT_ASN1) |
| 705 |
cms = d2i_CMS_bio(in, NULL); |
| 706 |
else { |
| 707 |
BIO_printf(bio_err, "Bad input format for CMS file\n"); |
| 708 |
goto end; |
| 709 |
} |
| 710 |
|
| 711 |
if (!cms) { |
| 712 |
BIO_printf(bio_err, "Error reading S/MIME message\n"); |
| 713 |
goto end; |
| 714 |
} |
| 715 |
if (contfile) { |
| 716 |
BIO_free(indata); |
| 717 |
if (!(indata = BIO_new_file(contfile, "rb"))) { |
| 718 |
BIO_printf(bio_err, "Can't read content file %s\n", contfile); |
| 719 |
goto end; |
| 720 |
} |
| 721 |
} |
| 722 |
if (certsoutfile) { |
| 723 |
STACK_OF(X509) *allcerts; |
| 724 |
allcerts = CMS_get1_certs(cms); |
| 725 |
if (!save_certs(certsoutfile, allcerts)) { |
| 726 |
BIO_printf(bio_err, |
| 727 |
"Error writing certs to %s\n", certsoutfile); |
| 728 |
ret = 5; |
| 729 |
goto end; |
| 730 |
} |
| 731 |
sk_X509_pop_free(allcerts, X509_free); |
| 732 |
} |
| 733 |
} |
| 734 |
|
| 735 |
if (rctfile) { |
| 736 |
char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; |
| 737 |
if (!(rctin = BIO_new_file(rctfile, rctmode))) { |
| 738 |
BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile); |
| 739 |
goto end; |
| 740 |
} |
| 741 |
|
| 742 |
if (rctformat == FORMAT_SMIME) |
| 743 |
rcms = SMIME_read_CMS(rctin, NULL); |
| 744 |
else if (rctformat == FORMAT_PEM) |
| 745 |
rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); |
| 746 |
else if (rctformat == FORMAT_ASN1) |
| 747 |
rcms = d2i_CMS_bio(rctin, NULL); |
| 748 |
else { |
| 749 |
BIO_printf(bio_err, "Bad input format for receipt\n"); |
| 750 |
goto end; |
| 751 |
} |
| 752 |
|
| 753 |
if (!rcms) { |
| 754 |
BIO_printf(bio_err, "Error reading receipt\n"); |
| 755 |
goto end; |
| 756 |
} |
| 757 |
} |
| 758 |
|
| 759 |
if (outfile) { |
| 760 |
if (!(out = BIO_new_file(outfile, outmode))) { |
| 761 |
BIO_printf(bio_err, "Can't open output file %s\n", outfile); |
| 762 |
goto end; |
| 763 |
} |
| 764 |
} else { |
| 765 |
out = BIO_new_fp(stdout, BIO_NOCLOSE); |
| 766 |
# ifdef OPENSSL_SYS_VMS |
| 767 |
{ |
| 768 |
BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| 769 |
out = BIO_push(tmpbio, out); |
| 770 |
} |
| 771 |
# endif |
| 772 |
} |
| 773 |
|
| 774 |
if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) { |
| 775 |
if (!(store = setup_verify(bio_err, CAfile, CApath))) |
| 776 |
goto end; |
| 777 |
X509_STORE_set_verify_cb_func(store, cms_cb); |
| 778 |
if (vpm) |
| 779 |
X509_STORE_set1_param(store, vpm); |
| 780 |
} |
| 781 |
|
| 782 |
ret = 3; |
| 783 |
|
| 784 |
if (operation == SMIME_DATA_CREATE) { |
| 785 |
cms = CMS_data_create(in, flags); |
| 786 |
} else if (operation == SMIME_DIGEST_CREATE) { |
| 787 |
cms = CMS_digest_create(in, sign_md, flags); |
| 788 |
} else if (operation == SMIME_COMPRESS) { |
| 789 |
cms = CMS_compress(in, -1, flags); |
| 790 |
} else if (operation == SMIME_ENCRYPT) { |
| 791 |
flags |= CMS_PARTIAL; |
| 792 |
cms = CMS_encrypt(encerts, in, cipher, flags); |
| 793 |
if (!cms) |
| 794 |
goto end; |
| 795 |
if (secret_key) { |
| 796 |
if (!CMS_add0_recipient_key(cms, NID_undef, |
| 797 |
secret_key, secret_keylen, |
| 798 |
secret_keyid, secret_keyidlen, |
| 799 |
NULL, NULL, NULL)) |
| 800 |
goto end; |
| 801 |
/* NULL these because call absorbs them */ |
| 802 |
secret_key = NULL; |
| 803 |
secret_keyid = NULL; |
| 804 |
} |
| 805 |
if (!(flags & CMS_STREAM)) { |
| 806 |
if (!CMS_final(cms, in, NULL, flags)) |
| 807 |
goto end; |
| 808 |
} |
| 809 |
} else if (operation == SMIME_ENCRYPTED_ENCRYPT) { |
| 810 |
cms = CMS_EncryptedData_encrypt(in, cipher, |
| 811 |
secret_key, secret_keylen, flags); |
| 812 |
|
| 813 |
} else if (operation == SMIME_SIGN_RECEIPT) { |
| 814 |
CMS_ContentInfo *srcms = NULL; |
| 815 |
STACK_OF(CMS_SignerInfo) *sis; |
| 816 |
CMS_SignerInfo *si; |
| 817 |
sis = CMS_get0_SignerInfos(cms); |
| 818 |
if (!sis) |
| 819 |
goto end; |
| 820 |
si = sk_CMS_SignerInfo_value(sis, 0); |
| 821 |
srcms = CMS_sign_receipt(si, signer, key, other, flags); |
| 822 |
if (!srcms) |
| 823 |
goto end; |
| 824 |
CMS_ContentInfo_free(cms); |
| 825 |
cms = srcms; |
| 826 |
} else if (operation & SMIME_SIGNERS) { |
| 827 |
int i; |
| 828 |
/* |
| 829 |
* If detached data content we enable streaming if S/MIME output |
| 830 |
* format. |
| 831 |
*/ |
| 832 |
if (operation == SMIME_SIGN) { |
| 833 |
|
| 834 |
if (flags & CMS_DETACHED) { |
| 835 |
if (outformat == FORMAT_SMIME) |
| 836 |
flags |= CMS_STREAM; |
| 837 |
} |
| 838 |
flags |= CMS_PARTIAL; |
| 839 |
cms = CMS_sign(NULL, NULL, other, in, flags); |
| 840 |
if (!cms) |
| 841 |
goto end; |
| 842 |
if (econtent_type) |
| 843 |
CMS_set1_eContentType(cms, econtent_type); |
| 844 |
|
| 845 |
if (rr_to) { |
| 846 |
rr = make_receipt_request(rr_to, rr_allorfirst, rr_from); |
| 847 |
if (!rr) { |
| 848 |
BIO_puts(bio_err, |
| 849 |
"Signed Receipt Request Creation Error\n"); |
| 850 |
goto end; |
| 851 |
} |
| 852 |
} |
| 853 |
} else |
| 854 |
flags |= CMS_REUSE_DIGEST; |
| 855 |
for (i = 0; i < sk_num(sksigners); i++) { |
| 856 |
CMS_SignerInfo *si; |
| 857 |
signerfile = sk_value(sksigners, i); |
| 858 |
keyfile = sk_value(skkeys, i); |
| 859 |
signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL, |
| 860 |
e, "signer certificate"); |
| 861 |
if (!signer) |
| 862 |
goto end; |
| 863 |
key = load_key(bio_err, keyfile, keyform, 0, passin, e, |
| 864 |
"signing key file"); |
| 865 |
if (!key) |
| 866 |
goto end; |
| 867 |
si = CMS_add1_signer(cms, signer, key, sign_md, flags); |
| 868 |
if (!si) |
| 869 |
goto end; |
| 870 |
if (rr && !CMS_add1_ReceiptRequest(si, rr)) |
| 871 |
goto end; |
| 872 |
X509_free(signer); |
| 873 |
signer = NULL; |
| 874 |
EVP_PKEY_free(key); |
| 875 |
key = NULL; |
| 876 |
} |
| 877 |
/* If not streaming or resigning finalize structure */ |
| 878 |
if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) { |
| 879 |
if (!CMS_final(cms, in, NULL, flags)) |
| 880 |
goto end; |
| 881 |
} |
| 882 |
} |
| 883 |
|
| 884 |
if (!cms) { |
| 885 |
BIO_printf(bio_err, "Error creating CMS structure\n"); |
| 886 |
goto end; |
| 887 |
} |
| 888 |
|
| 889 |
ret = 4; |
| 890 |
if (operation == SMIME_DECRYPT) { |
| 891 |
if (flags & CMS_DEBUG_DECRYPT) |
| 892 |
CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); |
| 893 |
|
| 894 |
if (secret_key) { |
| 895 |
if (!CMS_decrypt_set1_key(cms, |
| 896 |
secret_key, secret_keylen, |
| 897 |
secret_keyid, secret_keyidlen)) { |
| 898 |
BIO_puts(bio_err, "Error decrypting CMS using secret key\n"); |
| 899 |
goto end; |
| 900 |
} |
| 901 |
} |
| 902 |
|
| 903 |
if (key) { |
| 904 |
if (!CMS_decrypt_set1_pkey(cms, key, recip)) { |
| 905 |
BIO_puts(bio_err, "Error decrypting CMS using private key\n"); |
| 906 |
goto end; |
| 907 |
} |
| 908 |
} |
| 909 |
|
| 910 |
if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) { |
| 911 |
BIO_printf(bio_err, "Error decrypting CMS structure\n"); |
| 912 |
goto end; |
| 913 |
} |
| 914 |
} else if (operation == SMIME_DATAOUT) { |
| 915 |
if (!CMS_data(cms, out, flags)) |
| 916 |
goto end; |
| 917 |
} else if (operation == SMIME_UNCOMPRESS) { |
| 918 |
if (!CMS_uncompress(cms, indata, out, flags)) |
| 919 |
goto end; |
| 920 |
} else if (operation == SMIME_DIGEST_VERIFY) { |
| 921 |
if (CMS_digest_verify(cms, indata, out, flags) > 0) |
| 922 |
BIO_printf(bio_err, "Verification successful\n"); |
| 923 |
else { |
| 924 |
BIO_printf(bio_err, "Verification failure\n"); |
| 925 |
goto end; |
| 926 |
} |
| 927 |
} else if (operation == SMIME_ENCRYPTED_DECRYPT) { |
| 928 |
if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, |
| 929 |
indata, out, flags)) |
| 930 |
goto end; |
| 931 |
} else if (operation == SMIME_VERIFY) { |
| 932 |
if (CMS_verify(cms, other, store, indata, out, flags) > 0) |
| 933 |
BIO_printf(bio_err, "Verification successful\n"); |
| 934 |
else { |
| 935 |
BIO_printf(bio_err, "Verification failure\n"); |
| 936 |
goto end; |
| 937 |
} |
| 938 |
if (signerfile) { |
| 939 |
STACK_OF(X509) *signers; |
| 940 |
signers = CMS_get0_signers(cms); |
| 941 |
if (!save_certs(signerfile, signers)) { |
| 942 |
BIO_printf(bio_err, |
| 943 |
"Error writing signers to %s\n", signerfile); |
| 944 |
ret = 5; |
| 945 |
goto end; |
| 946 |
} |
| 947 |
sk_X509_free(signers); |
| 948 |
} |
| 949 |
if (rr_print) |
| 950 |
receipt_request_print(bio_err, cms); |
| 951 |
|
| 952 |
} else if (operation == SMIME_VERIFY_RECEIPT) { |
| 953 |
if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) |
| 954 |
BIO_printf(bio_err, "Verification successful\n"); |
| 955 |
else { |
| 956 |
BIO_printf(bio_err, "Verification failure\n"); |
| 957 |
goto end; |
| 958 |
} |
| 959 |
} else { |
| 960 |
if (outformat == FORMAT_SMIME) { |
| 961 |
if (to) |
| 962 |
BIO_printf(out, "To: %s\n", to); |
| 963 |
if (from) |
| 964 |
BIO_printf(out, "From: %s\n", from); |
| 965 |
if (subject) |
| 966 |
BIO_printf(out, "Subject: %s\n", subject); |
| 967 |
if (operation == SMIME_RESIGN) |
| 968 |
ret = SMIME_write_CMS(out, cms, indata, flags); |
| 969 |
else |
| 970 |
ret = SMIME_write_CMS(out, cms, in, flags); |
| 971 |
} else if (outformat == FORMAT_PEM) |
| 972 |
ret = PEM_write_bio_CMS(out, cms); |
| 973 |
else if (outformat == FORMAT_ASN1) |
| 974 |
ret = i2d_CMS_bio(out, cms); |
| 975 |
else { |
| 976 |
BIO_printf(bio_err, "Bad output format for CMS file\n"); |
| 977 |
goto end; |
| 978 |
} |
| 979 |
if (ret <= 0) { |
| 980 |
ret = 6; |
| 981 |
goto end; |
| 982 |
} |
| 983 |
} |
| 984 |
ret = 0; |
| 985 |
end: |
| 986 |
if (ret) |
| 987 |
ERR_print_errors(bio_err); |
| 988 |
if (need_rand) |
| 989 |
app_RAND_write_file(NULL, bio_err); |
| 990 |
sk_X509_pop_free(encerts, X509_free); |
| 991 |
sk_X509_pop_free(other, X509_free); |
| 992 |
if (vpm) |
| 993 |
X509_VERIFY_PARAM_free(vpm); |
| 994 |
if (sksigners) |
| 995 |
sk_free(sksigners); |
| 996 |
if (skkeys) |
| 997 |
sk_free(skkeys); |
| 998 |
if (secret_key) |
| 999 |
OPENSSL_free(secret_key); |
| 1000 |
if (secret_keyid) |
| 1001 |
OPENSSL_free(secret_keyid); |
| 1002 |
if (econtent_type) |
| 1003 |
ASN1_OBJECT_free(econtent_type); |
| 1004 |
if (rr) |
| 1005 |
CMS_ReceiptRequest_free(rr); |
| 1006 |
if (rr_to) |
| 1007 |
sk_free(rr_to); |
| 1008 |
if (rr_from) |
| 1009 |
sk_free(rr_from); |
| 1010 |
X509_STORE_free(store); |
| 1011 |
X509_free(cert); |
| 1012 |
X509_free(recip); |
| 1013 |
X509_free(signer); |
| 1014 |
EVP_PKEY_free(key); |
| 1015 |
CMS_ContentInfo_free(cms); |
| 1016 |
CMS_ContentInfo_free(rcms); |
| 1017 |
BIO_free(rctin); |
| 1018 |
BIO_free(in); |
| 1019 |
BIO_free(indata); |
| 1020 |
BIO_free_all(out); |
| 1021 |
if (passin) |
| 1022 |
OPENSSL_free(passin); |
| 1023 |
return (ret); |
| 1024 |
} |
| 1025 |
|
| 1026 |
static int save_certs(char *signerfile, STACK_OF(X509) *signers) |
| 1027 |
{ |
| 1028 |
int i; |
| 1029 |
BIO *tmp; |
| 1030 |
if (!signerfile) |
| 1031 |
return 1; |
| 1032 |
tmp = BIO_new_file(signerfile, "w"); |
| 1033 |
if (!tmp) |
| 1034 |
return 0; |
| 1035 |
for (i = 0; i < sk_X509_num(signers); i++) |
| 1036 |
PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); |
| 1037 |
BIO_free(tmp); |
| 1038 |
return 1; |
| 1039 |
} |
| 1040 |
|
| 1041 |
/* Minimal callback just to output policy info (if any) */ |
| 1042 |
|
| 1043 |
static int cms_cb(int ok, X509_STORE_CTX *ctx) |
| 1044 |
{ |
| 1045 |
int error; |
| 1046 |
|
| 1047 |
error = X509_STORE_CTX_get_error(ctx); |
| 1048 |
|
| 1049 |
if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) |
| 1050 |
&& ((error != X509_V_OK) || (ok != 2))) |
| 1051 |
return ok; |
| 1052 |
|
| 1053 |
policies_print(NULL, ctx); |
| 1054 |
|
| 1055 |
return ok; |
| 1056 |
|
| 1057 |
} |
| 1058 |
|
| 1059 |
static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns) |
| 1060 |
{ |
| 1061 |
STACK_OF(GENERAL_NAME) *gens; |
| 1062 |
GENERAL_NAME *gen; |
| 1063 |
int i, j; |
| 1064 |
for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) { |
| 1065 |
gens = sk_GENERAL_NAMES_value(gns, i); |
| 1066 |
for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) { |
| 1067 |
gen = sk_GENERAL_NAME_value(gens, j); |
| 1068 |
BIO_puts(out, " "); |
| 1069 |
GENERAL_NAME_print(out, gen); |
| 1070 |
BIO_puts(out, "\n"); |
| 1071 |
} |
| 1072 |
} |
| 1073 |
return; |
| 1074 |
} |
| 1075 |
|
| 1076 |
static void receipt_request_print(BIO *out, CMS_ContentInfo *cms) |
| 1077 |
{ |
| 1078 |
STACK_OF(CMS_SignerInfo) *sis; |
| 1079 |
CMS_SignerInfo *si; |
| 1080 |
CMS_ReceiptRequest *rr; |
| 1081 |
int allorfirst; |
| 1082 |
STACK_OF(GENERAL_NAMES) *rto, *rlist; |
| 1083 |
ASN1_STRING *scid; |
| 1084 |
int i, rv; |
| 1085 |
sis = CMS_get0_SignerInfos(cms); |
| 1086 |
for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) { |
| 1087 |
si = sk_CMS_SignerInfo_value(sis, i); |
| 1088 |
rv = CMS_get1_ReceiptRequest(si, &rr); |
| 1089 |
BIO_printf(bio_err, "Signer %d:\n", i + 1); |
| 1090 |
if (rv == 0) |
| 1091 |
BIO_puts(bio_err, " No Receipt Request\n"); |
| 1092 |
else if (rv < 0) { |
| 1093 |
BIO_puts(bio_err, " Receipt Request Parse Error\n"); |
| 1094 |
ERR_print_errors(bio_err); |
| 1095 |
} else { |
| 1096 |
char *id; |
| 1097 |
int idlen; |
| 1098 |
CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, |
| 1099 |
&rlist, &rto); |
| 1100 |
BIO_puts(out, " Signed Content ID:\n"); |
| 1101 |
idlen = ASN1_STRING_length(scid); |
| 1102 |
id = (char *)ASN1_STRING_data(scid); |
| 1103 |
BIO_dump_indent(out, id, idlen, 4); |
| 1104 |
BIO_puts(out, " Receipts From"); |
| 1105 |
if (rlist) { |
| 1106 |
BIO_puts(out, " List:\n"); |
| 1107 |
gnames_stack_print(out, rlist); |
| 1108 |
} else if (allorfirst == 1) |
| 1109 |
BIO_puts(out, ": First Tier\n"); |
| 1110 |
else if (allorfirst == 0) |
| 1111 |
BIO_puts(out, ": All\n"); |
| 1112 |
else |
| 1113 |
BIO_printf(out, " Unknown (%d)\n", allorfirst); |
| 1114 |
BIO_puts(out, " Receipts To:\n"); |
| 1115 |
gnames_stack_print(out, rto); |
| 1116 |
} |
| 1117 |
if (rr) |
| 1118 |
CMS_ReceiptRequest_free(rr); |
| 1119 |
} |
| 1120 |
} |
| 1121 |
|
| 1122 |
static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK * ns) |
| 1123 |
{ |
| 1124 |
int i; |
| 1125 |
STACK_OF(GENERAL_NAMES) *ret; |
| 1126 |
GENERAL_NAMES *gens = NULL; |
| 1127 |
GENERAL_NAME *gen = NULL; |
| 1128 |
ret = sk_GENERAL_NAMES_new_null(); |
| 1129 |
if (!ret) |
| 1130 |
goto err; |
| 1131 |
for (i = 0; i < sk_num(ns); i++) { |
| 1132 |
CONF_VALUE cnf; |
| 1133 |
cnf.name = "email"; |
| 1134 |
cnf.value = sk_value(ns, i); |
| 1135 |
gen = v2i_GENERAL_NAME(NULL, NULL, &cnf); |
| 1136 |
if (!gen) |
| 1137 |
goto err; |
| 1138 |
gens = GENERAL_NAMES_new(); |
| 1139 |
if (!gens) |
| 1140 |
goto err; |
| 1141 |
if (!sk_GENERAL_NAME_push(gens, gen)) |
| 1142 |
goto err; |
| 1143 |
gen = NULL; |
| 1144 |
if (!sk_GENERAL_NAMES_push(ret, gens)) |
| 1145 |
goto err; |
| 1146 |
gens = NULL; |
| 1147 |
} |
| 1148 |
|
| 1149 |
return ret; |
| 1150 |
|
| 1151 |
err: |
| 1152 |
if (ret) |
| 1153 |
sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); |
| 1154 |
if (gens) |
| 1155 |
GENERAL_NAMES_free(gens); |
| 1156 |
if (gen) |
| 1157 |
GENERAL_NAME_free(gen); |
| 1158 |
return NULL; |
| 1159 |
} |
| 1160 |
|
| 1161 |
static CMS_ReceiptRequest *make_receipt_request(STACK * rr_to, |
| 1162 |
int rr_allorfirst, |
| 1163 |
STACK * rr_from) |
| 1164 |
{ |
| 1165 |
STACK_OF(GENERAL_NAMES) *rct_to, *rct_from; |
| 1166 |
CMS_ReceiptRequest *rr; |
| 1167 |
rct_to = make_names_stack(rr_to); |
| 1168 |
if (!rct_to) |
| 1169 |
goto err; |
| 1170 |
if (rr_from) { |
| 1171 |
rct_from = make_names_stack(rr_from); |
| 1172 |
if (!rct_from) |
| 1173 |
goto err; |
| 1174 |
} else |
| 1175 |
rct_from = NULL; |
| 1176 |
rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from, |
| 1177 |
rct_to); |
| 1178 |
return rr; |
| 1179 |
err: |
| 1180 |
return NULL; |
| 1181 |
} |
| 1182 |
|
| 1183 |
#endif |
