Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame^] | 1 | /* apps/cms.c */ |
| 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
| 3 | * project. |
| 4 | */ |
| 5 | /* ==================================================================== |
| 6 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in |
| 17 | * the documentation and/or other materials provided with the |
| 18 | * distribution. |
| 19 | * |
| 20 | * 3. All advertising materials mentioning features or use of this |
| 21 | * software must display the following acknowledgment: |
| 22 | * "This product includes software developed by the OpenSSL Project |
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| 24 | * |
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 26 | * endorse or promote products derived from this software without |
| 27 | * prior written permission. For written permission, please contact |
| 28 | * licensing@OpenSSL.org. |
| 29 | * |
| 30 | * 5. Products derived from this software may not be called "OpenSSL" |
| 31 | * nor may "OpenSSL" appear in their names without prior written |
| 32 | * permission of the OpenSSL Project. |
| 33 | * |
| 34 | * 6. Redistributions of any form whatsoever must retain the following |
| 35 | * acknowledgment: |
| 36 | * "This product includes software developed by the OpenSSL Project |
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 51 | * ==================================================================== |
| 52 | */ |
| 53 | |
| 54 | /* CMS utility function */ |
| 55 | |
| 56 | #include <stdio.h> |
| 57 | #include <string.h> |
| 58 | #include "apps.h" |
| 59 | |
| 60 | #ifndef OPENSSL_NO_CMS |
| 61 | |
| 62 | #include <openssl/crypto.h> |
| 63 | #include <openssl/pem.h> |
| 64 | #include <openssl/err.h> |
| 65 | #include <openssl/x509_vfy.h> |
| 66 | #include <openssl/x509v3.h> |
| 67 | #include <openssl/cms.h> |
| 68 | |
| 69 | #undef PROG |
| 70 | #define PROG cms_main |
| 71 | static int save_certs(char *signerfile, STACK_OF(X509) *signers); |
| 72 | static int cms_cb(int ok, X509_STORE_CTX *ctx); |
| 73 | static void receipt_request_print(BIO *out, CMS_ContentInfo *cms); |
| 74 | static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, |
| 75 | int rr_allorfirst, |
| 76 | STACK_OF(OPENSSL_STRING) *rr_from); |
| 77 | |
| 78 | #define SMIME_OP 0x10 |
| 79 | #define SMIME_IP 0x20 |
| 80 | #define SMIME_SIGNERS 0x40 |
| 81 | #define SMIME_ENCRYPT (1 | SMIME_OP) |
| 82 | #define SMIME_DECRYPT (2 | SMIME_IP) |
| 83 | #define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) |
| 84 | #define SMIME_VERIFY (4 | SMIME_IP) |
| 85 | #define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP) |
| 86 | #define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) |
| 87 | #define SMIME_DATAOUT (7 | SMIME_IP) |
| 88 | #define SMIME_DATA_CREATE (8 | SMIME_OP) |
| 89 | #define SMIME_DIGEST_VERIFY (9 | SMIME_IP) |
| 90 | #define SMIME_DIGEST_CREATE (10 | SMIME_OP) |
| 91 | #define SMIME_UNCOMPRESS (11 | SMIME_IP) |
| 92 | #define SMIME_COMPRESS (12 | SMIME_OP) |
| 93 | #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP) |
| 94 | #define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP) |
| 95 | #define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP) |
| 96 | #define SMIME_VERIFY_RECEIPT (16 | SMIME_IP) |
| 97 | |
| 98 | int verify_err = 0; |
| 99 | |
| 100 | int MAIN(int, char **); |
| 101 | |
| 102 | int MAIN(int argc, char **argv) |
| 103 | { |
| 104 | ENGINE *e = NULL; |
| 105 | int operation = 0; |
| 106 | int ret = 0; |
| 107 | char **args; |
| 108 | const char *inmode = "r", *outmode = "w"; |
| 109 | char *infile = NULL, *outfile = NULL, *rctfile = NULL; |
| 110 | char *signerfile = NULL, *recipfile = NULL; |
| 111 | STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; |
| 112 | char *certfile = NULL, *keyfile = NULL, *contfile=NULL; |
| 113 | char *certsoutfile = NULL; |
| 114 | const EVP_CIPHER *cipher = NULL; |
| 115 | CMS_ContentInfo *cms = NULL, *rcms = NULL; |
| 116 | X509_STORE *store = NULL; |
| 117 | X509 *cert = NULL, *recip = NULL, *signer = NULL; |
| 118 | EVP_PKEY *key = NULL; |
| 119 | STACK_OF(X509) *encerts = NULL, *other = NULL; |
| 120 | BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL; |
| 121 | int badarg = 0; |
| 122 | int flags = CMS_DETACHED, noout = 0, print = 0; |
| 123 | int verify_retcode = 0; |
| 124 | int rr_print = 0, rr_allorfirst = -1; |
| 125 | STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL; |
| 126 | CMS_ReceiptRequest *rr = NULL; |
| 127 | char *to = NULL, *from = NULL, *subject = NULL; |
| 128 | char *CAfile = NULL, *CApath = NULL; |
| 129 | char *passargin = NULL, *passin = NULL; |
| 130 | char *inrand = NULL; |
| 131 | int need_rand = 0; |
| 132 | const EVP_MD *sign_md = NULL; |
| 133 | int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; |
| 134 | int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM; |
| 135 | #ifndef OPENSSL_NO_ENGINE |
| 136 | char *engine=NULL; |
| 137 | #endif |
| 138 | unsigned char *secret_key = NULL, *secret_keyid = NULL; |
| 139 | unsigned char *pwri_pass = NULL, *pwri_tmp = NULL; |
| 140 | size_t secret_keylen = 0, secret_keyidlen = 0; |
| 141 | |
| 142 | ASN1_OBJECT *econtent_type = NULL; |
| 143 | |
| 144 | X509_VERIFY_PARAM *vpm = NULL; |
| 145 | |
| 146 | args = argv + 1; |
| 147 | ret = 1; |
| 148 | |
| 149 | apps_startup(); |
| 150 | |
| 151 | if (bio_err == NULL) |
| 152 | { |
| 153 | if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
| 154 | BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT); |
| 155 | } |
| 156 | |
| 157 | if (!load_config(bio_err, NULL)) |
| 158 | goto end; |
| 159 | |
| 160 | while (!badarg && *args && *args[0] == '-') |
| 161 | { |
| 162 | if (!strcmp (*args, "-encrypt")) |
| 163 | operation = SMIME_ENCRYPT; |
| 164 | else if (!strcmp (*args, "-decrypt")) |
| 165 | operation = SMIME_DECRYPT; |
| 166 | else if (!strcmp (*args, "-sign")) |
| 167 | operation = SMIME_SIGN; |
| 168 | else if (!strcmp (*args, "-sign_receipt")) |
| 169 | operation = SMIME_SIGN_RECEIPT; |
| 170 | else if (!strcmp (*args, "-resign")) |
| 171 | operation = SMIME_RESIGN; |
| 172 | else if (!strcmp (*args, "-verify")) |
| 173 | operation = SMIME_VERIFY; |
| 174 | else if (!strcmp (*args, "-verify_retcode")) |
| 175 | verify_retcode = 1; |
| 176 | else if (!strcmp(*args,"-verify_receipt")) |
| 177 | { |
| 178 | operation = SMIME_VERIFY_RECEIPT; |
| 179 | if (!args[1]) |
| 180 | goto argerr; |
| 181 | args++; |
| 182 | rctfile = *args; |
| 183 | } |
| 184 | else if (!strcmp (*args, "-cmsout")) |
| 185 | operation = SMIME_CMSOUT; |
| 186 | else if (!strcmp (*args, "-data_out")) |
| 187 | operation = SMIME_DATAOUT; |
| 188 | else if (!strcmp (*args, "-data_create")) |
| 189 | operation = SMIME_DATA_CREATE; |
| 190 | else if (!strcmp (*args, "-digest_verify")) |
| 191 | operation = SMIME_DIGEST_VERIFY; |
| 192 | else if (!strcmp (*args, "-digest_create")) |
| 193 | operation = SMIME_DIGEST_CREATE; |
| 194 | else if (!strcmp (*args, "-compress")) |
| 195 | operation = SMIME_COMPRESS; |
| 196 | else if (!strcmp (*args, "-uncompress")) |
| 197 | operation = SMIME_UNCOMPRESS; |
| 198 | else if (!strcmp (*args, "-EncryptedData_decrypt")) |
| 199 | operation = SMIME_ENCRYPTED_DECRYPT; |
| 200 | else if (!strcmp (*args, "-EncryptedData_encrypt")) |
| 201 | operation = SMIME_ENCRYPTED_ENCRYPT; |
| 202 | #ifndef OPENSSL_NO_DES |
| 203 | else if (!strcmp (*args, "-des3")) |
| 204 | cipher = EVP_des_ede3_cbc(); |
| 205 | else if (!strcmp (*args, "-des")) |
| 206 | cipher = EVP_des_cbc(); |
| 207 | #endif |
| 208 | #ifndef OPENSSL_NO_SEED |
| 209 | else if (!strcmp (*args, "-seed")) |
| 210 | cipher = EVP_seed_cbc(); |
| 211 | #endif |
| 212 | #ifndef OPENSSL_NO_RC2 |
| 213 | else if (!strcmp (*args, "-rc2-40")) |
| 214 | cipher = EVP_rc2_40_cbc(); |
| 215 | else if (!strcmp (*args, "-rc2-128")) |
| 216 | cipher = EVP_rc2_cbc(); |
| 217 | else if (!strcmp (*args, "-rc2-64")) |
| 218 | cipher = EVP_rc2_64_cbc(); |
| 219 | #endif |
| 220 | #ifndef OPENSSL_NO_AES |
| 221 | else if (!strcmp(*args,"-aes128")) |
| 222 | cipher = EVP_aes_128_cbc(); |
| 223 | else if (!strcmp(*args,"-aes192")) |
| 224 | cipher = EVP_aes_192_cbc(); |
| 225 | else if (!strcmp(*args,"-aes256")) |
| 226 | cipher = EVP_aes_256_cbc(); |
| 227 | #endif |
| 228 | #ifndef OPENSSL_NO_CAMELLIA |
| 229 | else if (!strcmp(*args,"-camellia128")) |
| 230 | cipher = EVP_camellia_128_cbc(); |
| 231 | else if (!strcmp(*args,"-camellia192")) |
| 232 | cipher = EVP_camellia_192_cbc(); |
| 233 | else if (!strcmp(*args,"-camellia256")) |
| 234 | cipher = EVP_camellia_256_cbc(); |
| 235 | #endif |
| 236 | else if (!strcmp (*args, "-text")) |
| 237 | flags |= CMS_TEXT; |
| 238 | else if (!strcmp (*args, "-nointern")) |
| 239 | flags |= CMS_NOINTERN; |
| 240 | else if (!strcmp (*args, "-noverify") |
| 241 | || !strcmp (*args, "-no_signer_cert_verify")) |
| 242 | flags |= CMS_NO_SIGNER_CERT_VERIFY; |
| 243 | else if (!strcmp (*args, "-nocerts")) |
| 244 | flags |= CMS_NOCERTS; |
| 245 | else if (!strcmp (*args, "-noattr")) |
| 246 | flags |= CMS_NOATTR; |
| 247 | else if (!strcmp (*args, "-nodetach")) |
| 248 | flags &= ~CMS_DETACHED; |
| 249 | else if (!strcmp (*args, "-nosmimecap")) |
| 250 | flags |= CMS_NOSMIMECAP; |
| 251 | else if (!strcmp (*args, "-binary")) |
| 252 | flags |= CMS_BINARY; |
| 253 | else if (!strcmp (*args, "-keyid")) |
| 254 | flags |= CMS_USE_KEYID; |
| 255 | else if (!strcmp (*args, "-nosigs")) |
| 256 | flags |= CMS_NOSIGS; |
| 257 | else if (!strcmp (*args, "-no_content_verify")) |
| 258 | flags |= CMS_NO_CONTENT_VERIFY; |
| 259 | else if (!strcmp (*args, "-no_attr_verify")) |
| 260 | flags |= CMS_NO_ATTR_VERIFY; |
| 261 | else if (!strcmp (*args, "-stream")) |
| 262 | flags |= CMS_STREAM; |
| 263 | else if (!strcmp (*args, "-indef")) |
| 264 | flags |= CMS_STREAM; |
| 265 | else if (!strcmp (*args, "-noindef")) |
| 266 | flags &= ~CMS_STREAM; |
| 267 | else if (!strcmp (*args, "-nooldmime")) |
| 268 | flags |= CMS_NOOLDMIMETYPE; |
| 269 | else if (!strcmp (*args, "-crlfeol")) |
| 270 | flags |= CMS_CRLFEOL; |
| 271 | else if (!strcmp (*args, "-noout")) |
| 272 | noout = 1; |
| 273 | else if (!strcmp (*args, "-receipt_request_print")) |
| 274 | rr_print = 1; |
| 275 | else if (!strcmp (*args, "-receipt_request_all")) |
| 276 | rr_allorfirst = 0; |
| 277 | else if (!strcmp (*args, "-receipt_request_first")) |
| 278 | rr_allorfirst = 1; |
| 279 | else if (!strcmp(*args,"-receipt_request_from")) |
| 280 | { |
| 281 | if (!args[1]) |
| 282 | goto argerr; |
| 283 | args++; |
| 284 | if (!rr_from) |
| 285 | rr_from = sk_OPENSSL_STRING_new_null(); |
| 286 | sk_OPENSSL_STRING_push(rr_from, *args); |
| 287 | } |
| 288 | else if (!strcmp(*args,"-receipt_request_to")) |
| 289 | { |
| 290 | if (!args[1]) |
| 291 | goto argerr; |
| 292 | args++; |
| 293 | if (!rr_to) |
| 294 | rr_to = sk_OPENSSL_STRING_new_null(); |
| 295 | sk_OPENSSL_STRING_push(rr_to, *args); |
| 296 | } |
| 297 | else if (!strcmp (*args, "-print")) |
| 298 | { |
| 299 | noout = 1; |
| 300 | print = 1; |
| 301 | } |
| 302 | else if (!strcmp(*args,"-secretkey")) |
| 303 | { |
| 304 | long ltmp; |
| 305 | if (!args[1]) |
| 306 | goto argerr; |
| 307 | args++; |
| 308 | secret_key = string_to_hex(*args, <mp); |
| 309 | if (!secret_key) |
| 310 | { |
| 311 | BIO_printf(bio_err, "Invalid key %s\n", *args); |
| 312 | goto argerr; |
| 313 | } |
| 314 | secret_keylen = (size_t)ltmp; |
| 315 | } |
| 316 | else if (!strcmp(*args,"-secretkeyid")) |
| 317 | { |
| 318 | long ltmp; |
| 319 | if (!args[1]) |
| 320 | goto argerr; |
| 321 | args++; |
| 322 | secret_keyid = string_to_hex(*args, <mp); |
| 323 | if (!secret_keyid) |
| 324 | { |
| 325 | BIO_printf(bio_err, "Invalid id %s\n", *args); |
| 326 | goto argerr; |
| 327 | } |
| 328 | secret_keyidlen = (size_t)ltmp; |
| 329 | } |
| 330 | else if (!strcmp(*args,"-pwri_password")) |
| 331 | { |
| 332 | if (!args[1]) |
| 333 | goto argerr; |
| 334 | args++; |
| 335 | pwri_pass = (unsigned char *)*args; |
| 336 | } |
| 337 | else if (!strcmp(*args,"-econtent_type")) |
| 338 | { |
| 339 | if (!args[1]) |
| 340 | goto argerr; |
| 341 | args++; |
| 342 | econtent_type = OBJ_txt2obj(*args, 0); |
| 343 | if (!econtent_type) |
| 344 | { |
| 345 | BIO_printf(bio_err, "Invalid OID %s\n", *args); |
| 346 | goto argerr; |
| 347 | } |
| 348 | } |
| 349 | else if (!strcmp(*args,"-rand")) |
| 350 | { |
| 351 | if (!args[1]) |
| 352 | goto argerr; |
| 353 | args++; |
| 354 | inrand = *args; |
| 355 | need_rand = 1; |
| 356 | } |
| 357 | #ifndef OPENSSL_NO_ENGINE |
| 358 | else if (!strcmp(*args,"-engine")) |
| 359 | { |
| 360 | if (!args[1]) |
| 361 | goto argerr; |
| 362 | engine = *++args; |
| 363 | } |
| 364 | #endif |
| 365 | else if (!strcmp(*args,"-passin")) |
| 366 | { |
| 367 | if (!args[1]) |
| 368 | goto argerr; |
| 369 | passargin = *++args; |
| 370 | } |
| 371 | else if (!strcmp (*args, "-to")) |
| 372 | { |
| 373 | if (!args[1]) |
| 374 | goto argerr; |
| 375 | to = *++args; |
| 376 | } |
| 377 | else if (!strcmp (*args, "-from")) |
| 378 | { |
| 379 | if (!args[1]) |
| 380 | goto argerr; |
| 381 | from = *++args; |
| 382 | } |
| 383 | else if (!strcmp (*args, "-subject")) |
| 384 | { |
| 385 | if (!args[1]) |
| 386 | goto argerr; |
| 387 | subject = *++args; |
| 388 | } |
| 389 | else if (!strcmp (*args, "-signer")) |
| 390 | { |
| 391 | if (!args[1]) |
| 392 | goto argerr; |
| 393 | /* If previous -signer argument add signer to list */ |
| 394 | |
| 395 | if (signerfile) |
| 396 | { |
| 397 | if (!sksigners) |
| 398 | sksigners = sk_OPENSSL_STRING_new_null(); |
| 399 | sk_OPENSSL_STRING_push(sksigners, signerfile); |
| 400 | if (!keyfile) |
| 401 | keyfile = signerfile; |
| 402 | if (!skkeys) |
| 403 | skkeys = sk_OPENSSL_STRING_new_null(); |
| 404 | sk_OPENSSL_STRING_push(skkeys, keyfile); |
| 405 | keyfile = NULL; |
| 406 | } |
| 407 | signerfile = *++args; |
| 408 | } |
| 409 | else if (!strcmp (*args, "-recip")) |
| 410 | { |
| 411 | if (!args[1]) |
| 412 | goto argerr; |
| 413 | recipfile = *++args; |
| 414 | } |
| 415 | else if (!strcmp (*args, "-certsout")) |
| 416 | { |
| 417 | if (!args[1]) |
| 418 | goto argerr; |
| 419 | certsoutfile = *++args; |
| 420 | } |
| 421 | else if (!strcmp (*args, "-md")) |
| 422 | { |
| 423 | if (!args[1]) |
| 424 | goto argerr; |
| 425 | sign_md = EVP_get_digestbyname(*++args); |
| 426 | if (sign_md == NULL) |
| 427 | { |
| 428 | BIO_printf(bio_err, "Unknown digest %s\n", |
| 429 | *args); |
| 430 | goto argerr; |
| 431 | } |
| 432 | } |
| 433 | else if (!strcmp (*args, "-inkey")) |
| 434 | { |
| 435 | if (!args[1]) |
| 436 | goto argerr; |
| 437 | /* If previous -inkey arument add signer to list */ |
| 438 | if (keyfile) |
| 439 | { |
| 440 | if (!signerfile) |
| 441 | { |
| 442 | BIO_puts(bio_err, "Illegal -inkey without -signer\n"); |
| 443 | goto argerr; |
| 444 | } |
| 445 | if (!sksigners) |
| 446 | sksigners = sk_OPENSSL_STRING_new_null(); |
| 447 | sk_OPENSSL_STRING_push(sksigners, signerfile); |
| 448 | signerfile = NULL; |
| 449 | if (!skkeys) |
| 450 | skkeys = sk_OPENSSL_STRING_new_null(); |
| 451 | sk_OPENSSL_STRING_push(skkeys, keyfile); |
| 452 | } |
| 453 | keyfile = *++args; |
| 454 | } |
| 455 | else if (!strcmp (*args, "-keyform")) |
| 456 | { |
| 457 | if (!args[1]) |
| 458 | goto argerr; |
| 459 | keyform = str2fmt(*++args); |
| 460 | } |
| 461 | else if (!strcmp (*args, "-rctform")) |
| 462 | { |
| 463 | if (!args[1]) |
| 464 | goto argerr; |
| 465 | rctformat = str2fmt(*++args); |
| 466 | } |
| 467 | else if (!strcmp (*args, "-certfile")) |
| 468 | { |
| 469 | if (!args[1]) |
| 470 | goto argerr; |
| 471 | certfile = *++args; |
| 472 | } |
| 473 | else if (!strcmp (*args, "-CAfile")) |
| 474 | { |
| 475 | if (!args[1]) |
| 476 | goto argerr; |
| 477 | CAfile = *++args; |
| 478 | } |
| 479 | else if (!strcmp (*args, "-CApath")) |
| 480 | { |
| 481 | if (!args[1]) |
| 482 | goto argerr; |
| 483 | CApath = *++args; |
| 484 | } |
| 485 | else if (!strcmp (*args, "-in")) |
| 486 | { |
| 487 | if (!args[1]) |
| 488 | goto argerr; |
| 489 | infile = *++args; |
| 490 | } |
| 491 | else if (!strcmp (*args, "-inform")) |
| 492 | { |
| 493 | if (!args[1]) |
| 494 | goto argerr; |
| 495 | informat = str2fmt(*++args); |
| 496 | } |
| 497 | else if (!strcmp (*args, "-outform")) |
| 498 | { |
| 499 | if (!args[1]) |
| 500 | goto argerr; |
| 501 | outformat = str2fmt(*++args); |
| 502 | } |
| 503 | else if (!strcmp (*args, "-out")) |
| 504 | { |
| 505 | if (!args[1]) |
| 506 | goto argerr; |
| 507 | outfile = *++args; |
| 508 | } |
| 509 | else if (!strcmp (*args, "-content")) |
| 510 | { |
| 511 | if (!args[1]) |
| 512 | goto argerr; |
| 513 | contfile = *++args; |
| 514 | } |
| 515 | else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) |
| 516 | continue; |
| 517 | else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) |
| 518 | badarg = 1; |
| 519 | args++; |
| 520 | } |
| 521 | |
| 522 | if (((rr_allorfirst != -1) || rr_from) && !rr_to) |
| 523 | { |
| 524 | BIO_puts(bio_err, "No Signed Receipts Recipients\n"); |
| 525 | goto argerr; |
| 526 | } |
| 527 | |
| 528 | if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) |
| 529 | { |
| 530 | BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); |
| 531 | goto argerr; |
| 532 | } |
| 533 | if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) |
| 534 | { |
| 535 | BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); |
| 536 | goto argerr; |
| 537 | } |
| 538 | |
| 539 | if (operation & SMIME_SIGNERS) |
| 540 | { |
| 541 | if (keyfile && !signerfile) |
| 542 | { |
| 543 | BIO_puts(bio_err, "Illegal -inkey without -signer\n"); |
| 544 | goto argerr; |
| 545 | } |
| 546 | /* Check to see if any final signer needs to be appended */ |
| 547 | if (signerfile) |
| 548 | { |
| 549 | if (!sksigners) |
| 550 | sksigners = sk_OPENSSL_STRING_new_null(); |
| 551 | sk_OPENSSL_STRING_push(sksigners, signerfile); |
| 552 | if (!skkeys) |
| 553 | skkeys = sk_OPENSSL_STRING_new_null(); |
| 554 | if (!keyfile) |
| 555 | keyfile = signerfile; |
| 556 | sk_OPENSSL_STRING_push(skkeys, keyfile); |
| 557 | } |
| 558 | if (!sksigners) |
| 559 | { |
| 560 | BIO_printf(bio_err, "No signer certificate specified\n"); |
| 561 | badarg = 1; |
| 562 | } |
| 563 | signerfile = NULL; |
| 564 | keyfile = NULL; |
| 565 | need_rand = 1; |
| 566 | } |
| 567 | |
| 568 | else if (operation == SMIME_DECRYPT) |
| 569 | { |
| 570 | if (!recipfile && !keyfile && !secret_key && !pwri_pass) |
| 571 | { |
| 572 | BIO_printf(bio_err, "No recipient certificate or key specified\n"); |
| 573 | badarg = 1; |
| 574 | } |
| 575 | } |
| 576 | else if (operation == SMIME_ENCRYPT) |
| 577 | { |
| 578 | if (!*args && !secret_key && !pwri_pass) |
| 579 | { |
| 580 | BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); |
| 581 | badarg = 1; |
| 582 | } |
| 583 | need_rand = 1; |
| 584 | } |
| 585 | else if (!operation) |
| 586 | badarg = 1; |
| 587 | |
| 588 | if (badarg) |
| 589 | { |
| 590 | argerr: |
| 591 | BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n"); |
| 592 | BIO_printf (bio_err, "where options are\n"); |
| 593 | BIO_printf (bio_err, "-encrypt encrypt message\n"); |
| 594 | BIO_printf (bio_err, "-decrypt decrypt encrypted message\n"); |
| 595 | BIO_printf (bio_err, "-sign sign message\n"); |
| 596 | BIO_printf (bio_err, "-verify verify signed message\n"); |
| 597 | BIO_printf (bio_err, "-cmsout output CMS structure\n"); |
| 598 | #ifndef OPENSSL_NO_DES |
| 599 | BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); |
| 600 | BIO_printf (bio_err, "-des encrypt with DES\n"); |
| 601 | #endif |
| 602 | #ifndef OPENSSL_NO_SEED |
| 603 | BIO_printf (bio_err, "-seed encrypt with SEED\n"); |
| 604 | #endif |
| 605 | #ifndef OPENSSL_NO_RC2 |
| 606 | BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); |
| 607 | BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); |
| 608 | BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n"); |
| 609 | #endif |
| 610 | #ifndef OPENSSL_NO_AES |
| 611 | BIO_printf (bio_err, "-aes128, -aes192, -aes256\n"); |
| 612 | BIO_printf (bio_err, " encrypt PEM output with cbc aes\n"); |
| 613 | #endif |
| 614 | #ifndef OPENSSL_NO_CAMELLIA |
| 615 | BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n"); |
| 616 | BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n"); |
| 617 | #endif |
| 618 | BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n"); |
| 619 | BIO_printf (bio_err, "-nosigs don't verify message signature\n"); |
| 620 | BIO_printf (bio_err, "-noverify don't verify signers certificate\n"); |
| 621 | BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n"); |
| 622 | BIO_printf (bio_err, "-nodetach use opaque signing\n"); |
| 623 | BIO_printf (bio_err, "-noattr don't include any signed attributes\n"); |
| 624 | BIO_printf (bio_err, "-binary don't translate message to text\n"); |
| 625 | BIO_printf (bio_err, "-certfile file other certificates file\n"); |
| 626 | BIO_printf (bio_err, "-certsout file certificate output file\n"); |
| 627 | BIO_printf (bio_err, "-signer file signer certificate file\n"); |
| 628 | BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n"); |
| 629 | BIO_printf (bio_err, "-keyid use subject key identifier\n"); |
| 630 | BIO_printf (bio_err, "-in file input file\n"); |
| 631 | BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n"); |
| 632 | BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n"); |
| 633 | BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n"); |
| 634 | BIO_printf (bio_err, "-out file output file\n"); |
| 635 | BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n"); |
| 636 | BIO_printf (bio_err, "-content file supply or override content for detached signature\n"); |
| 637 | BIO_printf (bio_err, "-to addr to address\n"); |
| 638 | BIO_printf (bio_err, "-from ad from address\n"); |
| 639 | BIO_printf (bio_err, "-subject s subject\n"); |
| 640 | BIO_printf (bio_err, "-text include or delete text MIME headers\n"); |
| 641 | BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); |
| 642 | BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); |
| 643 | BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); |
| 644 | BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); |
| 645 | #ifndef OPENSSL_NO_ENGINE |
| 646 | BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n"); |
| 647 | #endif |
| 648 | BIO_printf (bio_err, "-passin arg input file pass phrase source\n"); |
| 649 | BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
| 650 | BIO_printf(bio_err, " load the file (or the files in the directory) into\n"); |
| 651 | BIO_printf(bio_err, " the random number generator\n"); |
| 652 | BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n"); |
| 653 | goto end; |
| 654 | } |
| 655 | |
| 656 | #ifndef OPENSSL_NO_ENGINE |
| 657 | e = setup_engine(bio_err, engine, 0); |
| 658 | #endif |
| 659 | |
| 660 | if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) |
| 661 | { |
| 662 | BIO_printf(bio_err, "Error getting password\n"); |
| 663 | goto end; |
| 664 | } |
| 665 | |
| 666 | if (need_rand) |
| 667 | { |
| 668 | app_RAND_load_file(NULL, bio_err, (inrand != NULL)); |
| 669 | if (inrand != NULL) |
| 670 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", |
| 671 | app_RAND_load_files(inrand)); |
| 672 | } |
| 673 | |
| 674 | ret = 2; |
| 675 | |
| 676 | if (!(operation & SMIME_SIGNERS)) |
| 677 | flags &= ~CMS_DETACHED; |
| 678 | |
| 679 | if (operation & SMIME_OP) |
| 680 | { |
| 681 | if (outformat == FORMAT_ASN1) |
| 682 | outmode = "wb"; |
| 683 | } |
| 684 | else |
| 685 | { |
| 686 | if (flags & CMS_BINARY) |
| 687 | outmode = "wb"; |
| 688 | } |
| 689 | |
| 690 | if (operation & SMIME_IP) |
| 691 | { |
| 692 | if (informat == FORMAT_ASN1) |
| 693 | inmode = "rb"; |
| 694 | } |
| 695 | else |
| 696 | { |
| 697 | if (flags & CMS_BINARY) |
| 698 | inmode = "rb"; |
| 699 | } |
| 700 | |
| 701 | if (operation == SMIME_ENCRYPT) |
| 702 | { |
| 703 | if (!cipher) |
| 704 | { |
| 705 | #ifndef OPENSSL_NO_DES |
| 706 | cipher = EVP_des_ede3_cbc(); |
| 707 | #else |
| 708 | BIO_printf(bio_err, "No cipher selected\n"); |
| 709 | goto end; |
| 710 | #endif |
| 711 | } |
| 712 | |
| 713 | if (secret_key && !secret_keyid) |
| 714 | { |
| 715 | BIO_printf(bio_err, "No secret key id\n"); |
| 716 | goto end; |
| 717 | } |
| 718 | |
| 719 | if (*args) |
| 720 | encerts = sk_X509_new_null(); |
| 721 | while (*args) |
| 722 | { |
| 723 | if (!(cert = load_cert(bio_err,*args,FORMAT_PEM, |
| 724 | NULL, e, "recipient certificate file"))) |
| 725 | goto end; |
| 726 | sk_X509_push(encerts, cert); |
| 727 | cert = NULL; |
| 728 | args++; |
| 729 | } |
| 730 | } |
| 731 | |
| 732 | if (certfile) |
| 733 | { |
| 734 | if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL, |
| 735 | e, "certificate file"))) |
| 736 | { |
| 737 | ERR_print_errors(bio_err); |
| 738 | goto end; |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | if (recipfile && (operation == SMIME_DECRYPT)) |
| 743 | { |
| 744 | if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL, |
| 745 | e, "recipient certificate file"))) |
| 746 | { |
| 747 | ERR_print_errors(bio_err); |
| 748 | goto end; |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | if (operation == SMIME_SIGN_RECEIPT) |
| 753 | { |
| 754 | if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL, |
| 755 | e, "receipt signer certificate file"))) |
| 756 | { |
| 757 | ERR_print_errors(bio_err); |
| 758 | goto end; |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | if (operation == SMIME_DECRYPT) |
| 763 | { |
| 764 | if (!keyfile) |
| 765 | keyfile = recipfile; |
| 766 | } |
| 767 | else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) |
| 768 | { |
| 769 | if (!keyfile) |
| 770 | keyfile = signerfile; |
| 771 | } |
| 772 | else keyfile = NULL; |
| 773 | |
| 774 | if (keyfile) |
| 775 | { |
| 776 | key = load_key(bio_err, keyfile, keyform, 0, passin, e, |
| 777 | "signing key file"); |
| 778 | if (!key) |
| 779 | goto end; |
| 780 | } |
| 781 | |
| 782 | if (infile) |
| 783 | { |
| 784 | if (!(in = BIO_new_file(infile, inmode))) |
| 785 | { |
| 786 | BIO_printf (bio_err, |
| 787 | "Can't open input file %s\n", infile); |
| 788 | goto end; |
| 789 | } |
| 790 | } |
| 791 | else |
| 792 | in = BIO_new_fp(stdin, BIO_NOCLOSE); |
| 793 | |
| 794 | if (operation & SMIME_IP) |
| 795 | { |
| 796 | if (informat == FORMAT_SMIME) |
| 797 | cms = SMIME_read_CMS(in, &indata); |
| 798 | else if (informat == FORMAT_PEM) |
| 799 | cms = PEM_read_bio_CMS(in, NULL, NULL, NULL); |
| 800 | else if (informat == FORMAT_ASN1) |
| 801 | cms = d2i_CMS_bio(in, NULL); |
| 802 | else |
| 803 | { |
| 804 | BIO_printf(bio_err, "Bad input format for CMS file\n"); |
| 805 | goto end; |
| 806 | } |
| 807 | |
| 808 | if (!cms) |
| 809 | { |
| 810 | BIO_printf(bio_err, "Error reading S/MIME message\n"); |
| 811 | goto end; |
| 812 | } |
| 813 | if (contfile) |
| 814 | { |
| 815 | BIO_free(indata); |
| 816 | if (!(indata = BIO_new_file(contfile, "rb"))) |
| 817 | { |
| 818 | BIO_printf(bio_err, "Can't read content file %s\n", contfile); |
| 819 | goto end; |
| 820 | } |
| 821 | } |
| 822 | if (certsoutfile) |
| 823 | { |
| 824 | STACK_OF(X509) *allcerts; |
| 825 | allcerts = CMS_get1_certs(cms); |
| 826 | if (!save_certs(certsoutfile, allcerts)) |
| 827 | { |
| 828 | BIO_printf(bio_err, |
| 829 | "Error writing certs to %s\n", |
| 830 | certsoutfile); |
| 831 | ret = 5; |
| 832 | goto end; |
| 833 | } |
| 834 | sk_X509_pop_free(allcerts, X509_free); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | if (rctfile) |
| 839 | { |
| 840 | char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; |
| 841 | if (!(rctin = BIO_new_file(rctfile, rctmode))) |
| 842 | { |
| 843 | BIO_printf (bio_err, |
| 844 | "Can't open receipt file %s\n", rctfile); |
| 845 | goto end; |
| 846 | } |
| 847 | |
| 848 | if (rctformat == FORMAT_SMIME) |
| 849 | rcms = SMIME_read_CMS(rctin, NULL); |
| 850 | else if (rctformat == FORMAT_PEM) |
| 851 | rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); |
| 852 | else if (rctformat == FORMAT_ASN1) |
| 853 | rcms = d2i_CMS_bio(rctin, NULL); |
| 854 | else |
| 855 | { |
| 856 | BIO_printf(bio_err, "Bad input format for receipt\n"); |
| 857 | goto end; |
| 858 | } |
| 859 | |
| 860 | if (!rcms) |
| 861 | { |
| 862 | BIO_printf(bio_err, "Error reading receipt\n"); |
| 863 | goto end; |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | if (outfile) |
| 868 | { |
| 869 | if (!(out = BIO_new_file(outfile, outmode))) |
| 870 | { |
| 871 | BIO_printf (bio_err, |
| 872 | "Can't open output file %s\n", outfile); |
| 873 | goto end; |
| 874 | } |
| 875 | } |
| 876 | else |
| 877 | { |
| 878 | out = BIO_new_fp(stdout, BIO_NOCLOSE); |
| 879 | #ifdef OPENSSL_SYS_VMS |
| 880 | { |
| 881 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| 882 | out = BIO_push(tmpbio, out); |
| 883 | } |
| 884 | #endif |
| 885 | } |
| 886 | |
| 887 | if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) |
| 888 | { |
| 889 | if (!(store = setup_verify(bio_err, CAfile, CApath))) |
| 890 | goto end; |
| 891 | X509_STORE_set_verify_cb(store, cms_cb); |
| 892 | if (vpm) |
| 893 | X509_STORE_set1_param(store, vpm); |
| 894 | } |
| 895 | |
| 896 | |
| 897 | ret = 3; |
| 898 | |
| 899 | if (operation == SMIME_DATA_CREATE) |
| 900 | { |
| 901 | cms = CMS_data_create(in, flags); |
| 902 | } |
| 903 | else if (operation == SMIME_DIGEST_CREATE) |
| 904 | { |
| 905 | cms = CMS_digest_create(in, sign_md, flags); |
| 906 | } |
| 907 | else if (operation == SMIME_COMPRESS) |
| 908 | { |
| 909 | cms = CMS_compress(in, -1, flags); |
| 910 | } |
| 911 | else if (operation == SMIME_ENCRYPT) |
| 912 | { |
| 913 | flags |= CMS_PARTIAL; |
| 914 | cms = CMS_encrypt(encerts, in, cipher, flags); |
| 915 | if (!cms) |
| 916 | goto end; |
| 917 | if (secret_key) |
| 918 | { |
| 919 | if (!CMS_add0_recipient_key(cms, NID_undef, |
| 920 | secret_key, secret_keylen, |
| 921 | secret_keyid, secret_keyidlen, |
| 922 | NULL, NULL, NULL)) |
| 923 | goto end; |
| 924 | /* NULL these because call absorbs them */ |
| 925 | secret_key = NULL; |
| 926 | secret_keyid = NULL; |
| 927 | } |
| 928 | if (pwri_pass) |
| 929 | { |
| 930 | pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass); |
| 931 | if (!pwri_tmp) |
| 932 | goto end; |
| 933 | if (!CMS_add0_recipient_password(cms, |
| 934 | -1, NID_undef, NID_undef, |
| 935 | pwri_tmp, -1, NULL)) |
| 936 | goto end; |
| 937 | pwri_tmp = NULL; |
| 938 | } |
| 939 | if (!(flags & CMS_STREAM)) |
| 940 | { |
| 941 | if (!CMS_final(cms, in, NULL, flags)) |
| 942 | goto end; |
| 943 | } |
| 944 | } |
| 945 | else if (operation == SMIME_ENCRYPTED_ENCRYPT) |
| 946 | { |
| 947 | cms = CMS_EncryptedData_encrypt(in, cipher, |
| 948 | secret_key, secret_keylen, |
| 949 | flags); |
| 950 | |
| 951 | } |
| 952 | else if (operation == SMIME_SIGN_RECEIPT) |
| 953 | { |
| 954 | CMS_ContentInfo *srcms = NULL; |
| 955 | STACK_OF(CMS_SignerInfo) *sis; |
| 956 | CMS_SignerInfo *si; |
| 957 | sis = CMS_get0_SignerInfos(cms); |
| 958 | if (!sis) |
| 959 | goto end; |
| 960 | si = sk_CMS_SignerInfo_value(sis, 0); |
| 961 | srcms = CMS_sign_receipt(si, signer, key, other, flags); |
| 962 | if (!srcms) |
| 963 | goto end; |
| 964 | CMS_ContentInfo_free(cms); |
| 965 | cms = srcms; |
| 966 | } |
| 967 | else if (operation & SMIME_SIGNERS) |
| 968 | { |
| 969 | int i; |
| 970 | /* If detached data content we enable streaming if |
| 971 | * S/MIME output format. |
| 972 | */ |
| 973 | if (operation == SMIME_SIGN) |
| 974 | { |
| 975 | |
| 976 | if (flags & CMS_DETACHED) |
| 977 | { |
| 978 | if (outformat == FORMAT_SMIME) |
| 979 | flags |= CMS_STREAM; |
| 980 | } |
| 981 | flags |= CMS_PARTIAL; |
| 982 | cms = CMS_sign(NULL, NULL, other, in, flags); |
| 983 | if (!cms) |
| 984 | goto end; |
| 985 | if (econtent_type) |
| 986 | CMS_set1_eContentType(cms, econtent_type); |
| 987 | |
| 988 | if (rr_to) |
| 989 | { |
| 990 | rr = make_receipt_request(rr_to, rr_allorfirst, |
| 991 | rr_from); |
| 992 | if (!rr) |
| 993 | { |
| 994 | BIO_puts(bio_err, |
| 995 | "Signed Receipt Request Creation Error\n"); |
| 996 | goto end; |
| 997 | } |
| 998 | } |
| 999 | } |
| 1000 | else |
| 1001 | flags |= CMS_REUSE_DIGEST; |
| 1002 | for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) |
| 1003 | { |
| 1004 | CMS_SignerInfo *si; |
| 1005 | signerfile = sk_OPENSSL_STRING_value(sksigners, i); |
| 1006 | keyfile = sk_OPENSSL_STRING_value(skkeys, i); |
| 1007 | signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL, |
| 1008 | e, "signer certificate"); |
| 1009 | if (!signer) |
| 1010 | goto end; |
| 1011 | key = load_key(bio_err, keyfile, keyform, 0, passin, e, |
| 1012 | "signing key file"); |
| 1013 | if (!key) |
| 1014 | goto end; |
| 1015 | si = CMS_add1_signer(cms, signer, key, sign_md, flags); |
| 1016 | if (!si) |
| 1017 | goto end; |
| 1018 | if (rr && !CMS_add1_ReceiptRequest(si, rr)) |
| 1019 | goto end; |
| 1020 | X509_free(signer); |
| 1021 | signer = NULL; |
| 1022 | EVP_PKEY_free(key); |
| 1023 | key = NULL; |
| 1024 | } |
| 1025 | /* If not streaming or resigning finalize structure */ |
| 1026 | if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) |
| 1027 | { |
| 1028 | if (!CMS_final(cms, in, NULL, flags)) |
| 1029 | goto end; |
| 1030 | } |
| 1031 | } |
| 1032 | |
| 1033 | if (!cms) |
| 1034 | { |
| 1035 | BIO_printf(bio_err, "Error creating CMS structure\n"); |
| 1036 | goto end; |
| 1037 | } |
| 1038 | |
| 1039 | ret = 4; |
| 1040 | if (operation == SMIME_DECRYPT) |
| 1041 | { |
| 1042 | |
| 1043 | if (secret_key) |
| 1044 | { |
| 1045 | if (!CMS_decrypt_set1_key(cms, |
| 1046 | secret_key, secret_keylen, |
| 1047 | secret_keyid, secret_keyidlen)) |
| 1048 | { |
| 1049 | BIO_puts(bio_err, |
| 1050 | "Error decrypting CMS using secret key\n"); |
| 1051 | goto end; |
| 1052 | } |
| 1053 | } |
| 1054 | |
| 1055 | if (key) |
| 1056 | { |
| 1057 | if (!CMS_decrypt_set1_pkey(cms, key, recip)) |
| 1058 | { |
| 1059 | BIO_puts(bio_err, |
| 1060 | "Error decrypting CMS using private key\n"); |
| 1061 | goto end; |
| 1062 | } |
| 1063 | } |
| 1064 | |
| 1065 | if (pwri_pass) |
| 1066 | { |
| 1067 | if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) |
| 1068 | { |
| 1069 | BIO_puts(bio_err, |
| 1070 | "Error decrypting CMS using password\n"); |
| 1071 | goto end; |
| 1072 | } |
| 1073 | } |
| 1074 | |
| 1075 | if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) |
| 1076 | { |
| 1077 | BIO_printf(bio_err, "Error decrypting CMS structure\n"); |
| 1078 | goto end; |
| 1079 | } |
| 1080 | } |
| 1081 | else if (operation == SMIME_DATAOUT) |
| 1082 | { |
| 1083 | if (!CMS_data(cms, out, flags)) |
| 1084 | goto end; |
| 1085 | } |
| 1086 | else if (operation == SMIME_UNCOMPRESS) |
| 1087 | { |
| 1088 | if (!CMS_uncompress(cms, indata, out, flags)) |
| 1089 | goto end; |
| 1090 | } |
| 1091 | else if (operation == SMIME_DIGEST_VERIFY) |
| 1092 | { |
| 1093 | if (CMS_digest_verify(cms, indata, out, flags) > 0) |
| 1094 | BIO_printf(bio_err, "Verification successful\n"); |
| 1095 | else |
| 1096 | { |
| 1097 | BIO_printf(bio_err, "Verification failure\n"); |
| 1098 | goto end; |
| 1099 | } |
| 1100 | } |
| 1101 | else if (operation == SMIME_ENCRYPTED_DECRYPT) |
| 1102 | { |
| 1103 | if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, |
| 1104 | indata, out, flags)) |
| 1105 | goto end; |
| 1106 | } |
| 1107 | else if (operation == SMIME_VERIFY) |
| 1108 | { |
| 1109 | if (CMS_verify(cms, other, store, indata, out, flags) > 0) |
| 1110 | BIO_printf(bio_err, "Verification successful\n"); |
| 1111 | else |
| 1112 | { |
| 1113 | BIO_printf(bio_err, "Verification failure\n"); |
| 1114 | if (verify_retcode) |
| 1115 | ret = verify_err + 32; |
| 1116 | goto end; |
| 1117 | } |
| 1118 | if (signerfile) |
| 1119 | { |
| 1120 | STACK_OF(X509) *signers; |
| 1121 | signers = CMS_get0_signers(cms); |
| 1122 | if (!save_certs(signerfile, signers)) |
| 1123 | { |
| 1124 | BIO_printf(bio_err, |
| 1125 | "Error writing signers to %s\n", |
| 1126 | signerfile); |
| 1127 | ret = 5; |
| 1128 | goto end; |
| 1129 | } |
| 1130 | sk_X509_free(signers); |
| 1131 | } |
| 1132 | if (rr_print) |
| 1133 | receipt_request_print(bio_err, cms); |
| 1134 | |
| 1135 | } |
| 1136 | else if (operation == SMIME_VERIFY_RECEIPT) |
| 1137 | { |
| 1138 | if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) |
| 1139 | BIO_printf(bio_err, "Verification successful\n"); |
| 1140 | else |
| 1141 | { |
| 1142 | BIO_printf(bio_err, "Verification failure\n"); |
| 1143 | goto end; |
| 1144 | } |
| 1145 | } |
| 1146 | else |
| 1147 | { |
| 1148 | if (noout) |
| 1149 | { |
| 1150 | if (print) |
| 1151 | CMS_ContentInfo_print_ctx(out, cms, 0, NULL); |
| 1152 | } |
| 1153 | else if (outformat == FORMAT_SMIME) |
| 1154 | { |
| 1155 | if (to) |
| 1156 | BIO_printf(out, "To: %s\n", to); |
| 1157 | if (from) |
| 1158 | BIO_printf(out, "From: %s\n", from); |
| 1159 | if (subject) |
| 1160 | BIO_printf(out, "Subject: %s\n", subject); |
| 1161 | if (operation == SMIME_RESIGN) |
| 1162 | ret = SMIME_write_CMS(out, cms, indata, flags); |
| 1163 | else |
| 1164 | ret = SMIME_write_CMS(out, cms, in, flags); |
| 1165 | } |
| 1166 | else if (outformat == FORMAT_PEM) |
| 1167 | ret = PEM_write_bio_CMS_stream(out, cms, in, flags); |
| 1168 | else if (outformat == FORMAT_ASN1) |
| 1169 | ret = i2d_CMS_bio_stream(out,cms, in, flags); |
| 1170 | else |
| 1171 | { |
| 1172 | BIO_printf(bio_err, "Bad output format for CMS file\n"); |
| 1173 | goto end; |
| 1174 | } |
| 1175 | if (ret <= 0) |
| 1176 | { |
| 1177 | ret = 6; |
| 1178 | goto end; |
| 1179 | } |
| 1180 | } |
| 1181 | ret = 0; |
| 1182 | end: |
| 1183 | if (ret) |
| 1184 | ERR_print_errors(bio_err); |
| 1185 | if (need_rand) |
| 1186 | app_RAND_write_file(NULL, bio_err); |
| 1187 | sk_X509_pop_free(encerts, X509_free); |
| 1188 | sk_X509_pop_free(other, X509_free); |
| 1189 | if (vpm) |
| 1190 | X509_VERIFY_PARAM_free(vpm); |
| 1191 | if (sksigners) |
| 1192 | sk_OPENSSL_STRING_free(sksigners); |
| 1193 | if (skkeys) |
| 1194 | sk_OPENSSL_STRING_free(skkeys); |
| 1195 | if (secret_key) |
| 1196 | OPENSSL_free(secret_key); |
| 1197 | if (secret_keyid) |
| 1198 | OPENSSL_free(secret_keyid); |
| 1199 | if (pwri_tmp) |
| 1200 | OPENSSL_free(pwri_tmp); |
| 1201 | if (econtent_type) |
| 1202 | ASN1_OBJECT_free(econtent_type); |
| 1203 | if (rr) |
| 1204 | CMS_ReceiptRequest_free(rr); |
| 1205 | if (rr_to) |
| 1206 | sk_OPENSSL_STRING_free(rr_to); |
| 1207 | if (rr_from) |
| 1208 | sk_OPENSSL_STRING_free(rr_from); |
| 1209 | X509_STORE_free(store); |
| 1210 | X509_free(cert); |
| 1211 | X509_free(recip); |
| 1212 | X509_free(signer); |
| 1213 | EVP_PKEY_free(key); |
| 1214 | CMS_ContentInfo_free(cms); |
| 1215 | CMS_ContentInfo_free(rcms); |
| 1216 | BIO_free(rctin); |
| 1217 | BIO_free(in); |
| 1218 | BIO_free(indata); |
| 1219 | BIO_free_all(out); |
| 1220 | if (passin) OPENSSL_free(passin); |
| 1221 | return (ret); |
| 1222 | } |
| 1223 | |
| 1224 | static int save_certs(char *signerfile, STACK_OF(X509) *signers) |
| 1225 | { |
| 1226 | int i; |
| 1227 | BIO *tmp; |
| 1228 | if (!signerfile) |
| 1229 | return 1; |
| 1230 | tmp = BIO_new_file(signerfile, "w"); |
| 1231 | if (!tmp) return 0; |
| 1232 | for(i = 0; i < sk_X509_num(signers); i++) |
| 1233 | PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); |
| 1234 | BIO_free(tmp); |
| 1235 | return 1; |
| 1236 | } |
| 1237 | |
| 1238 | |
| 1239 | /* Minimal callback just to output policy info (if any) */ |
| 1240 | |
| 1241 | static int cms_cb(int ok, X509_STORE_CTX *ctx) |
| 1242 | { |
| 1243 | int error; |
| 1244 | |
| 1245 | error = X509_STORE_CTX_get_error(ctx); |
| 1246 | |
| 1247 | verify_err = error; |
| 1248 | |
| 1249 | if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) |
| 1250 | && ((error != X509_V_OK) || (ok != 2))) |
| 1251 | return ok; |
| 1252 | |
| 1253 | policies_print(NULL, ctx); |
| 1254 | |
| 1255 | return ok; |
| 1256 | |
| 1257 | } |
| 1258 | |
| 1259 | static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns) |
| 1260 | { |
| 1261 | STACK_OF(GENERAL_NAME) *gens; |
| 1262 | GENERAL_NAME *gen; |
| 1263 | int i, j; |
| 1264 | for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) |
| 1265 | { |
| 1266 | gens = sk_GENERAL_NAMES_value(gns, i); |
| 1267 | for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) |
| 1268 | { |
| 1269 | gen = sk_GENERAL_NAME_value(gens, j); |
| 1270 | BIO_puts(out, " "); |
| 1271 | GENERAL_NAME_print(out, gen); |
| 1272 | BIO_puts(out, "\n"); |
| 1273 | } |
| 1274 | } |
| 1275 | return; |
| 1276 | } |
| 1277 | |
| 1278 | static void receipt_request_print(BIO *out, CMS_ContentInfo *cms) |
| 1279 | { |
| 1280 | STACK_OF(CMS_SignerInfo) *sis; |
| 1281 | CMS_SignerInfo *si; |
| 1282 | CMS_ReceiptRequest *rr; |
| 1283 | int allorfirst; |
| 1284 | STACK_OF(GENERAL_NAMES) *rto, *rlist; |
| 1285 | ASN1_STRING *scid; |
| 1286 | int i, rv; |
| 1287 | sis = CMS_get0_SignerInfos(cms); |
| 1288 | for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) |
| 1289 | { |
| 1290 | si = sk_CMS_SignerInfo_value(sis, i); |
| 1291 | rv = CMS_get1_ReceiptRequest(si, &rr); |
| 1292 | BIO_printf(bio_err, "Signer %d:\n", i + 1); |
| 1293 | if (rv == 0) |
| 1294 | BIO_puts(bio_err, " No Receipt Request\n"); |
| 1295 | else if (rv < 0) |
| 1296 | { |
| 1297 | BIO_puts(bio_err, " Receipt Request Parse Error\n"); |
| 1298 | ERR_print_errors(bio_err); |
| 1299 | } |
| 1300 | else |
| 1301 | { |
| 1302 | char *id; |
| 1303 | int idlen; |
| 1304 | CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, |
| 1305 | &rlist, &rto); |
| 1306 | BIO_puts(out, " Signed Content ID:\n"); |
| 1307 | idlen = ASN1_STRING_length(scid); |
| 1308 | id = (char *)ASN1_STRING_data(scid); |
| 1309 | BIO_dump_indent(out, id, idlen, 4); |
| 1310 | BIO_puts(out, " Receipts From"); |
| 1311 | if (rlist) |
| 1312 | { |
| 1313 | BIO_puts(out, " List:\n"); |
| 1314 | gnames_stack_print(out, rlist); |
| 1315 | } |
| 1316 | else if (allorfirst == 1) |
| 1317 | BIO_puts(out, ": First Tier\n"); |
| 1318 | else if (allorfirst == 0) |
| 1319 | BIO_puts(out, ": All\n"); |
| 1320 | else |
| 1321 | BIO_printf(out, " Unknown (%d)\n", allorfirst); |
| 1322 | BIO_puts(out, " Receipts To:\n"); |
| 1323 | gnames_stack_print(out, rto); |
| 1324 | } |
| 1325 | if (rr) |
| 1326 | CMS_ReceiptRequest_free(rr); |
| 1327 | } |
| 1328 | } |
| 1329 | |
| 1330 | static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns) |
| 1331 | { |
| 1332 | int i; |
| 1333 | STACK_OF(GENERAL_NAMES) *ret; |
| 1334 | GENERAL_NAMES *gens = NULL; |
| 1335 | GENERAL_NAME *gen = NULL; |
| 1336 | ret = sk_GENERAL_NAMES_new_null(); |
| 1337 | if (!ret) |
| 1338 | goto err; |
| 1339 | for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) |
| 1340 | { |
| 1341 | char *str = sk_OPENSSL_STRING_value(ns, i); |
| 1342 | gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); |
| 1343 | if (!gen) |
| 1344 | goto err; |
| 1345 | gens = GENERAL_NAMES_new(); |
| 1346 | if (!gens) |
| 1347 | goto err; |
| 1348 | if (!sk_GENERAL_NAME_push(gens, gen)) |
| 1349 | goto err; |
| 1350 | gen = NULL; |
| 1351 | if (!sk_GENERAL_NAMES_push(ret, gens)) |
| 1352 | goto err; |
| 1353 | gens = NULL; |
| 1354 | } |
| 1355 | |
| 1356 | return ret; |
| 1357 | |
| 1358 | err: |
| 1359 | if (ret) |
| 1360 | sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); |
| 1361 | if (gens) |
| 1362 | GENERAL_NAMES_free(gens); |
| 1363 | if (gen) |
| 1364 | GENERAL_NAME_free(gen); |
| 1365 | return NULL; |
| 1366 | } |
| 1367 | |
| 1368 | |
| 1369 | static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, |
| 1370 | int rr_allorfirst, |
| 1371 | STACK_OF(OPENSSL_STRING) *rr_from) |
| 1372 | { |
| 1373 | STACK_OF(GENERAL_NAMES) *rct_to, *rct_from; |
| 1374 | CMS_ReceiptRequest *rr; |
| 1375 | rct_to = make_names_stack(rr_to); |
| 1376 | if (!rct_to) |
| 1377 | goto err; |
| 1378 | if (rr_from) |
| 1379 | { |
| 1380 | rct_from = make_names_stack(rr_from); |
| 1381 | if (!rct_from) |
| 1382 | goto err; |
| 1383 | } |
| 1384 | else |
| 1385 | rct_from = NULL; |
| 1386 | rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from, |
| 1387 | rct_to); |
| 1388 | return rr; |
| 1389 | err: |
| 1390 | return NULL; |
| 1391 | } |
| 1392 | |
| 1393 | #endif |