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_OF(OPENSSL_STRING) 76 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING) 77 *rr_from); 78 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 79 STACK_OF(OPENSSL_STRING) *param); 80 81 # define SMIME_OP 0x10 82 # define SMIME_IP 0x20 83 # define SMIME_SIGNERS 0x40 84 # define SMIME_ENCRYPT (1 | SMIME_OP) 85 # define SMIME_DECRYPT (2 | SMIME_IP) 86 # define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) 87 # define SMIME_VERIFY (4 | SMIME_IP) 88 # define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP) 89 # define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) 90 # define SMIME_DATAOUT (7 | SMIME_IP) 91 # define SMIME_DATA_CREATE (8 | SMIME_OP) 92 # define SMIME_DIGEST_VERIFY (9 | SMIME_IP) 93 # define SMIME_DIGEST_CREATE (10 | SMIME_OP) 94 # define SMIME_UNCOMPRESS (11 | SMIME_IP) 95 # define SMIME_COMPRESS (12 | SMIME_OP) 96 # define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP) 97 # define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP) 98 # define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP) 99 # define SMIME_VERIFY_RECEIPT (16 | SMIME_IP) 100 101 int verify_err = 0; 102 103 typedef struct cms_key_param_st cms_key_param; 104 105 struct cms_key_param_st { 106 int idx; 107 STACK_OF(OPENSSL_STRING) *param; 108 cms_key_param *next; 109 }; 110 111 int MAIN(int, char **); 112 113 int MAIN(int argc, char **argv) 114 { 115 ENGINE *e = NULL; 116 int operation = 0; 117 int ret = 0; 118 char **args; 119 const char *inmode = "r", *outmode = "w"; 120 char *infile = NULL, *outfile = NULL, *rctfile = NULL; 121 char *signerfile = NULL, *recipfile = NULL; 122 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; 123 char *certfile = NULL, *keyfile = NULL, *contfile = NULL; 124 char *certsoutfile = NULL; 125 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL; 126 CMS_ContentInfo *cms = NULL, *rcms = NULL; 127 X509_STORE *store = NULL; 128 X509 *cert = NULL, *recip = NULL, *signer = NULL; 129 EVP_PKEY *key = NULL; 130 STACK_OF(X509) *encerts = NULL, *other = NULL; 131 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL; 132 int badarg = 0; 133 int flags = CMS_DETACHED, noout = 0, print = 0; 134 int verify_retcode = 0; 135 int rr_print = 0, rr_allorfirst = -1; 136 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL; 137 CMS_ReceiptRequest *rr = NULL; 138 char *to = NULL, *from = NULL, *subject = NULL; 139 char *CAfile = NULL, *CApath = NULL; 140 char *passargin = NULL, *passin = NULL; 141 char *inrand = NULL; 142 int need_rand = 0; 143 const EVP_MD *sign_md = NULL; 144 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; 145 int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM; 146 # ifndef OPENSSL_NO_ENGINE 147 char *engine = NULL; 148 # endif 149 unsigned char *secret_key = NULL, *secret_keyid = NULL; 150 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL; 151 size_t secret_keylen = 0, secret_keyidlen = 0; 152 153 cms_key_param *key_first = NULL, *key_param = NULL; 154 155 ASN1_OBJECT *econtent_type = NULL; 156 157 X509_VERIFY_PARAM *vpm = NULL; 158 159 args = argv + 1; 160 ret = 1; 161 162 apps_startup(); 163 164 if (bio_err == NULL) { 165 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 166 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 167 } 168 169 if (!load_config(bio_err, NULL)) 170 goto end; 171 172 while (!badarg && *args && *args[0] == '-') { 173 if (!strcmp(*args, "-encrypt")) 174 operation = SMIME_ENCRYPT; 175 else if (!strcmp(*args, "-decrypt")) 176 operation = SMIME_DECRYPT; 177 else if (!strcmp(*args, "-sign")) 178 operation = SMIME_SIGN; 179 else if (!strcmp(*args, "-sign_receipt")) 180 operation = SMIME_SIGN_RECEIPT; 181 else if (!strcmp(*args, "-resign")) 182 operation = SMIME_RESIGN; 183 else if (!strcmp(*args, "-verify")) 184 operation = SMIME_VERIFY; 185 else if (!strcmp(*args, "-verify_retcode")) 186 verify_retcode = 1; 187 else if (!strcmp(*args, "-verify_receipt")) { 188 operation = SMIME_VERIFY_RECEIPT; 189 if (!args[1]) 190 goto argerr; 191 args++; 192 rctfile = *args; 193 } else if (!strcmp(*args, "-cmsout")) 194 operation = SMIME_CMSOUT; 195 else if (!strcmp(*args, "-data_out")) 196 operation = SMIME_DATAOUT; 197 else if (!strcmp(*args, "-data_create")) 198 operation = SMIME_DATA_CREATE; 199 else if (!strcmp(*args, "-digest_verify")) 200 operation = SMIME_DIGEST_VERIFY; 201 else if (!strcmp(*args, "-digest_create")) 202 operation = SMIME_DIGEST_CREATE; 203 else if (!strcmp(*args, "-compress")) 204 operation = SMIME_COMPRESS; 205 else if (!strcmp(*args, "-uncompress")) 206 operation = SMIME_UNCOMPRESS; 207 else if (!strcmp(*args, "-EncryptedData_decrypt")) 208 operation = SMIME_ENCRYPTED_DECRYPT; 209 else if (!strcmp(*args, "-EncryptedData_encrypt")) 210 operation = SMIME_ENCRYPTED_ENCRYPT; 211 # ifndef OPENSSL_NO_DES 212 else if (!strcmp(*args, "-des3")) 213 cipher = EVP_des_ede3_cbc(); 214 else if (!strcmp(*args, "-des")) 215 cipher = EVP_des_cbc(); 216 else if (!strcmp(*args, "-des3-wrap")) 217 wrap_cipher = EVP_des_ede3_wrap(); 218 # endif 219 # ifndef OPENSSL_NO_SEED 220 else if (!strcmp(*args, "-seed")) 221 cipher = EVP_seed_cbc(); 222 # endif 223 # ifndef OPENSSL_NO_RC2 224 else if (!strcmp(*args, "-rc2-40")) 225 cipher = EVP_rc2_40_cbc(); 226 else if (!strcmp(*args, "-rc2-128")) 227 cipher = EVP_rc2_cbc(); 228 else if (!strcmp(*args, "-rc2-64")) 229 cipher = EVP_rc2_64_cbc(); 230 # endif 231 # ifndef OPENSSL_NO_AES 232 else if (!strcmp(*args, "-aes128")) 233 cipher = EVP_aes_128_cbc(); 234 else if (!strcmp(*args, "-aes192")) 235 cipher = EVP_aes_192_cbc(); 236 else if (!strcmp(*args, "-aes256")) 237 cipher = EVP_aes_256_cbc(); 238 else if (!strcmp(*args, "-aes128-wrap")) 239 wrap_cipher = EVP_aes_128_wrap(); 240 else if (!strcmp(*args, "-aes192-wrap")) 241 wrap_cipher = EVP_aes_192_wrap(); 242 else if (!strcmp(*args, "-aes256-wrap")) 243 wrap_cipher = EVP_aes_256_wrap(); 244 # endif 245 # ifndef OPENSSL_NO_CAMELLIA 246 else if (!strcmp(*args, "-camellia128")) 247 cipher = EVP_camellia_128_cbc(); 248 else if (!strcmp(*args, "-camellia192")) 249 cipher = EVP_camellia_192_cbc(); 250 else if (!strcmp(*args, "-camellia256")) 251 cipher = EVP_camellia_256_cbc(); 252 # endif 253 else if (!strcmp(*args, "-debug_decrypt")) 254 flags |= CMS_DEBUG_DECRYPT; 255 else if (!strcmp(*args, "-text")) 256 flags |= CMS_TEXT; 257 else if (!strcmp(*args, "-nointern")) 258 flags |= CMS_NOINTERN; 259 else if (!strcmp(*args, "-noverify") 260 || !strcmp(*args, "-no_signer_cert_verify")) 261 flags |= CMS_NO_SIGNER_CERT_VERIFY; 262 else if (!strcmp(*args, "-nocerts")) 263 flags |= CMS_NOCERTS; 264 else if (!strcmp(*args, "-noattr")) 265 flags |= CMS_NOATTR; 266 else if (!strcmp(*args, "-nodetach")) 267 flags &= ~CMS_DETACHED; 268 else if (!strcmp(*args, "-nosmimecap")) 269 flags |= CMS_NOSMIMECAP; 270 else if (!strcmp(*args, "-binary")) 271 flags |= CMS_BINARY; 272 else if (!strcmp(*args, "-keyid")) 273 flags |= CMS_USE_KEYID; 274 else if (!strcmp(*args, "-nosigs")) 275 flags |= CMS_NOSIGS; 276 else if (!strcmp(*args, "-no_content_verify")) 277 flags |= CMS_NO_CONTENT_VERIFY; 278 else if (!strcmp(*args, "-no_attr_verify")) 279 flags |= CMS_NO_ATTR_VERIFY; 280 else if (!strcmp(*args, "-stream")) 281 flags |= CMS_STREAM; 282 else if (!strcmp(*args, "-indef")) 283 flags |= CMS_STREAM; 284 else if (!strcmp(*args, "-noindef")) 285 flags &= ~CMS_STREAM; 286 else if (!strcmp(*args, "-nooldmime")) 287 flags |= CMS_NOOLDMIMETYPE; 288 else if (!strcmp(*args, "-crlfeol")) 289 flags |= CMS_CRLFEOL; 290 else if (!strcmp(*args, "-noout")) 291 noout = 1; 292 else if (!strcmp(*args, "-receipt_request_print")) 293 rr_print = 1; 294 else if (!strcmp(*args, "-receipt_request_all")) 295 rr_allorfirst = 0; 296 else if (!strcmp(*args, "-receipt_request_first")) 297 rr_allorfirst = 1; 298 else if (!strcmp(*args, "-receipt_request_from")) { 299 if (!args[1]) 300 goto argerr; 301 args++; 302 if (!rr_from) 303 rr_from = sk_OPENSSL_STRING_new_null(); 304 sk_OPENSSL_STRING_push(rr_from, *args); 305 } else if (!strcmp(*args, "-receipt_request_to")) { 306 if (!args[1]) 307 goto argerr; 308 args++; 309 if (!rr_to) 310 rr_to = sk_OPENSSL_STRING_new_null(); 311 sk_OPENSSL_STRING_push(rr_to, *args); 312 } else if (!strcmp(*args, "-print")) { 313 noout = 1; 314 print = 1; 315 } else if (!strcmp(*args, "-secretkey")) { 316 long ltmp; 317 if (!args[1]) 318 goto argerr; 319 args++; 320 secret_key = string_to_hex(*args, <mp); 321 if (!secret_key) { 322 BIO_printf(bio_err, "Invalid key %s\n", *args); 323 goto argerr; 324 } 325 secret_keylen = (size_t)ltmp; 326 } else if (!strcmp(*args, "-secretkeyid")) { 327 long ltmp; 328 if (!args[1]) 329 goto argerr; 330 args++; 331 secret_keyid = string_to_hex(*args, <mp); 332 if (!secret_keyid) { 333 BIO_printf(bio_err, "Invalid id %s\n", *args); 334 goto argerr; 335 } 336 secret_keyidlen = (size_t)ltmp; 337 } else if (!strcmp(*args, "-pwri_password")) { 338 if (!args[1]) 339 goto argerr; 340 args++; 341 pwri_pass = (unsigned char *)*args; 342 } else if (!strcmp(*args, "-econtent_type")) { 343 if (!args[1]) 344 goto argerr; 345 args++; 346 econtent_type = OBJ_txt2obj(*args, 0); 347 if (!econtent_type) { 348 BIO_printf(bio_err, "Invalid OID %s\n", *args); 349 goto argerr; 350 } 351 } else if (!strcmp(*args, "-rand")) { 352 if (!args[1]) 353 goto argerr; 354 args++; 355 inrand = *args; 356 need_rand = 1; 357 } 358 # ifndef OPENSSL_NO_ENGINE 359 else if (!strcmp(*args, "-engine")) { 360 if (!args[1]) 361 goto argerr; 362 engine = *++args; 363 } 364 # endif 365 else if (!strcmp(*args, "-passin")) { 366 if (!args[1]) 367 goto argerr; 368 passargin = *++args; 369 } else if (!strcmp(*args, "-to")) { 370 if (!args[1]) 371 goto argerr; 372 to = *++args; 373 } else if (!strcmp(*args, "-from")) { 374 if (!args[1]) 375 goto argerr; 376 from = *++args; 377 } else if (!strcmp(*args, "-subject")) { 378 if (!args[1]) 379 goto argerr; 380 subject = *++args; 381 } else if (!strcmp(*args, "-signer")) { 382 if (!args[1]) 383 goto argerr; 384 /* If previous -signer argument add signer to list */ 385 386 if (signerfile) { 387 if (!sksigners) 388 sksigners = sk_OPENSSL_STRING_new_null(); 389 sk_OPENSSL_STRING_push(sksigners, signerfile); 390 if (!keyfile) 391 keyfile = signerfile; 392 if (!skkeys) 393 skkeys = sk_OPENSSL_STRING_new_null(); 394 sk_OPENSSL_STRING_push(skkeys, keyfile); 395 keyfile = NULL; 396 } 397 signerfile = *++args; 398 } else if (!strcmp(*args, "-recip")) { 399 if (!args[1]) 400 goto argerr; 401 if (operation == SMIME_ENCRYPT) { 402 if (!encerts) 403 encerts = sk_X509_new_null(); 404 cert = load_cert(bio_err, *++args, FORMAT_PEM, 405 NULL, e, "recipient certificate file"); 406 if (!cert) 407 goto end; 408 sk_X509_push(encerts, cert); 409 cert = NULL; 410 } else 411 recipfile = *++args; 412 } else if (!strcmp(*args, "-certsout")) { 413 if (!args[1]) 414 goto argerr; 415 certsoutfile = *++args; 416 } else if (!strcmp(*args, "-md")) { 417 if (!args[1]) 418 goto argerr; 419 sign_md = EVP_get_digestbyname(*++args); 420 if (sign_md == NULL) { 421 BIO_printf(bio_err, "Unknown digest %s\n", *args); 422 goto argerr; 423 } 424 } else if (!strcmp(*args, "-inkey")) { 425 if (!args[1]) 426 goto argerr; 427 /* If previous -inkey arument add signer to list */ 428 if (keyfile) { 429 if (!signerfile) { 430 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 431 goto argerr; 432 } 433 if (!sksigners) 434 sksigners = sk_OPENSSL_STRING_new_null(); 435 sk_OPENSSL_STRING_push(sksigners, signerfile); 436 signerfile = NULL; 437 if (!skkeys) 438 skkeys = sk_OPENSSL_STRING_new_null(); 439 sk_OPENSSL_STRING_push(skkeys, keyfile); 440 } 441 keyfile = *++args; 442 } else if (!strcmp(*args, "-keyform")) { 443 if (!args[1]) 444 goto argerr; 445 keyform = str2fmt(*++args); 446 } else if (!strcmp(*args, "-keyopt")) { 447 int keyidx = -1; 448 if (!args[1]) 449 goto argerr; 450 if (operation == SMIME_ENCRYPT) { 451 if (encerts) 452 keyidx += sk_X509_num(encerts); 453 } else { 454 if (keyfile || signerfile) 455 keyidx++; 456 if (skkeys) 457 keyidx += sk_OPENSSL_STRING_num(skkeys); 458 } 459 if (keyidx < 0) { 460 BIO_printf(bio_err, "No key specified\n"); 461 goto argerr; 462 } 463 if (key_param == NULL || key_param->idx != keyidx) { 464 cms_key_param *nparam; 465 nparam = OPENSSL_malloc(sizeof(cms_key_param)); 466 if (!nparam) { 467 BIO_printf(bio_err, "Out of memory\n"); 468 goto argerr; 469 } 470 nparam->idx = keyidx; 471 nparam->param = sk_OPENSSL_STRING_new_null(); 472 nparam->next = NULL; 473 if (key_first == NULL) 474 key_first = nparam; 475 else 476 key_param->next = nparam; 477 key_param = nparam; 478 } 479 sk_OPENSSL_STRING_push(key_param->param, *++args); 480 } else if (!strcmp(*args, "-rctform")) { 481 if (!args[1]) 482 goto argerr; 483 rctformat = str2fmt(*++args); 484 } else if (!strcmp(*args, "-certfile")) { 485 if (!args[1]) 486 goto argerr; 487 certfile = *++args; 488 } else if (!strcmp(*args, "-CAfile")) { 489 if (!args[1]) 490 goto argerr; 491 CAfile = *++args; 492 } else if (!strcmp(*args, "-CApath")) { 493 if (!args[1]) 494 goto argerr; 495 CApath = *++args; 496 } else if (!strcmp(*args, "-in")) { 497 if (!args[1]) 498 goto argerr; 499 infile = *++args; 500 } else if (!strcmp(*args, "-inform")) { 501 if (!args[1]) 502 goto argerr; 503 informat = str2fmt(*++args); 504 } else if (!strcmp(*args, "-outform")) { 505 if (!args[1]) 506 goto argerr; 507 outformat = str2fmt(*++args); 508 } else if (!strcmp(*args, "-out")) { 509 if (!args[1]) 510 goto argerr; 511 outfile = *++args; 512 } else if (!strcmp(*args, "-content")) { 513 if (!args[1]) 514 goto argerr; 515 contfile = *++args; 516 } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) 517 continue; 518 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) 519 badarg = 1; 520 args++; 521 } 522 523 if (((rr_allorfirst != -1) || rr_from) && !rr_to) { 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 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); 530 goto argerr; 531 } 532 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) { 533 BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); 534 goto argerr; 535 } 536 537 if (operation & SMIME_SIGNERS) { 538 if (keyfile && !signerfile) { 539 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 540 goto argerr; 541 } 542 /* Check to see if any final signer needs to be appended */ 543 if (signerfile) { 544 if (!sksigners) 545 sksigners = sk_OPENSSL_STRING_new_null(); 546 sk_OPENSSL_STRING_push(sksigners, signerfile); 547 if (!skkeys) 548 skkeys = sk_OPENSSL_STRING_new_null(); 549 if (!keyfile) 550 keyfile = signerfile; 551 sk_OPENSSL_STRING_push(skkeys, keyfile); 552 } 553 if (!sksigners) { 554 BIO_printf(bio_err, "No signer certificate specified\n"); 555 badarg = 1; 556 } 557 signerfile = NULL; 558 keyfile = NULL; 559 need_rand = 1; 560 } 561 562 else if (operation == SMIME_DECRYPT) { 563 if (!recipfile && !keyfile && !secret_key && !pwri_pass) { 564 BIO_printf(bio_err, 565 "No recipient certificate or key specified\n"); 566 badarg = 1; 567 } 568 } else if (operation == SMIME_ENCRYPT) { 569 if (!*args && !secret_key && !pwri_pass && !encerts) { 570 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); 571 badarg = 1; 572 } 573 need_rand = 1; 574 } else if (!operation) 575 badarg = 1; 576 577 if (badarg) { 578 argerr: 579 BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n"); 580 BIO_printf(bio_err, "where options are\n"); 581 BIO_printf(bio_err, "-encrypt encrypt message\n"); 582 BIO_printf(bio_err, "-decrypt decrypt encrypted message\n"); 583 BIO_printf(bio_err, "-sign sign message\n"); 584 BIO_printf(bio_err, "-verify verify signed message\n"); 585 BIO_printf(bio_err, "-cmsout output CMS structure\n"); 586 # ifndef OPENSSL_NO_DES 587 BIO_printf(bio_err, "-des3 encrypt with triple DES\n"); 588 BIO_printf(bio_err, "-des encrypt with DES\n"); 589 # endif 590 # ifndef OPENSSL_NO_SEED 591 BIO_printf(bio_err, "-seed encrypt with SEED\n"); 592 # endif 593 # ifndef OPENSSL_NO_RC2 594 BIO_printf(bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); 595 BIO_printf(bio_err, "-rc2-64 encrypt with RC2-64\n"); 596 BIO_printf(bio_err, "-rc2-128 encrypt with RC2-128\n"); 597 # endif 598 # ifndef OPENSSL_NO_AES 599 BIO_printf(bio_err, "-aes128, -aes192, -aes256\n"); 600 BIO_printf(bio_err, 601 " encrypt PEM output with cbc aes\n"); 602 # endif 603 # ifndef OPENSSL_NO_CAMELLIA 604 BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n"); 605 BIO_printf(bio_err, 606 " encrypt PEM output with cbc camellia\n"); 607 # endif 608 BIO_printf(bio_err, 609 "-nointern don't search certificates in message for signer\n"); 610 BIO_printf(bio_err, 611 "-nosigs don't verify message signature\n"); 612 BIO_printf(bio_err, 613 "-noverify don't verify signers certificate\n"); 614 BIO_printf(bio_err, 615 "-nocerts don't include signers certificate when signing\n"); 616 BIO_printf(bio_err, "-nodetach use opaque signing\n"); 617 BIO_printf(bio_err, 618 "-noattr don't include any signed attributes\n"); 619 BIO_printf(bio_err, 620 "-binary don't translate message to text\n"); 621 BIO_printf(bio_err, "-certfile file other certificates file\n"); 622 BIO_printf(bio_err, "-certsout file certificate output file\n"); 623 BIO_printf(bio_err, "-signer file signer certificate file\n"); 624 BIO_printf(bio_err, 625 "-recip file recipient certificate file for decryption\n"); 626 BIO_printf(bio_err, "-keyid use subject key identifier\n"); 627 BIO_printf(bio_err, "-in file input file\n"); 628 BIO_printf(bio_err, 629 "-inform arg input format SMIME (default), PEM or DER\n"); 630 BIO_printf(bio_err, 631 "-inkey file input private key (if not signer or recipient)\n"); 632 BIO_printf(bio_err, 633 "-keyform arg input private key format (PEM or ENGINE)\n"); 634 BIO_printf(bio_err, "-keyopt nm:v set public key parameters\n"); 635 BIO_printf(bio_err, "-out file output file\n"); 636 BIO_printf(bio_err, 637 "-outform arg output format SMIME (default), PEM or DER\n"); 638 BIO_printf(bio_err, 639 "-content file supply or override content for detached signature\n"); 640 BIO_printf(bio_err, "-to addr to address\n"); 641 BIO_printf(bio_err, "-from ad from address\n"); 642 BIO_printf(bio_err, "-subject s subject\n"); 643 BIO_printf(bio_err, 644 "-text include or delete text MIME headers\n"); 645 BIO_printf(bio_err, 646 "-CApath dir trusted certificates directory\n"); 647 BIO_printf(bio_err, "-CAfile file trusted certificates file\n"); 648 BIO_printf(bio_err, 649 "-no_alt_chains only ever use the first certificate chain found\n"); 650 BIO_printf(bio_err, 651 "-crl_check check revocation status of signer's certificate using CRLs\n"); 652 BIO_printf(bio_err, 653 "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); 654 # ifndef OPENSSL_NO_ENGINE 655 BIO_printf(bio_err, 656 "-engine e use engine e, possibly a hardware device.\n"); 657 # endif 658 BIO_printf(bio_err, "-passin arg input file pass phrase source\n"); 659 BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 660 LIST_SEPARATOR_CHAR); 661 BIO_printf(bio_err, 662 " load the file (or the files in the directory) into\n"); 663 BIO_printf(bio_err, " the random number generator\n"); 664 BIO_printf(bio_err, 665 "cert.pem recipient certificate(s) for encryption\n"); 666 goto end; 667 } 668 # ifndef OPENSSL_NO_ENGINE 669 e = setup_engine(bio_err, engine, 0); 670 # endif 671 672 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { 673 BIO_printf(bio_err, "Error getting password\n"); 674 goto end; 675 } 676 677 if (need_rand) { 678 app_RAND_load_file(NULL, bio_err, (inrand != NULL)); 679 if (inrand != NULL) 680 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 681 app_RAND_load_files(inrand)); 682 } 683 684 ret = 2; 685 686 if (!(operation & SMIME_SIGNERS)) 687 flags &= ~CMS_DETACHED; 688 689 if (operation & SMIME_OP) { 690 if (outformat == FORMAT_ASN1) 691 outmode = "wb"; 692 } else { 693 if (flags & CMS_BINARY) 694 outmode = "wb"; 695 } 696 697 if (operation & SMIME_IP) { 698 if (informat == FORMAT_ASN1) 699 inmode = "rb"; 700 } else { 701 if (flags & CMS_BINARY) 702 inmode = "rb"; 703 } 704 705 if (operation == SMIME_ENCRYPT) { 706 if (!cipher) { 707 # ifndef OPENSSL_NO_DES 708 cipher = EVP_des_ede3_cbc(); 709 # else 710 BIO_printf(bio_err, "No cipher selected\n"); 711 goto end; 712 # endif 713 } 714 715 if (secret_key && !secret_keyid) { 716 BIO_printf(bio_err, "No secret key id\n"); 717 goto end; 718 } 719 720 if (*args && !encerts) 721 encerts = sk_X509_new_null(); 722 while (*args) { 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 if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL, 734 e, "certificate file"))) { 735 ERR_print_errors(bio_err); 736 goto end; 737 } 738 } 739 740 if (recipfile && (operation == SMIME_DECRYPT)) { 741 if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL, 742 e, "recipient certificate file"))) { 743 ERR_print_errors(bio_err); 744 goto end; 745 } 746 } 747 748 if (operation == SMIME_SIGN_RECEIPT) { 749 if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL, 750 e, "receipt signer certificate file"))) { 751 ERR_print_errors(bio_err); 752 goto end; 753 } 754 } 755 756 if (operation == SMIME_DECRYPT) { 757 if (!keyfile) 758 keyfile = recipfile; 759 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) { 760 if (!keyfile) 761 keyfile = signerfile; 762 } else 763 keyfile = NULL; 764 765 if (keyfile) { 766 key = load_key(bio_err, keyfile, keyform, 0, passin, e, 767 "signing key file"); 768 if (!key) 769 goto end; 770 } 771 772 if (infile) { 773 if (!(in = BIO_new_file(infile, inmode))) { 774 BIO_printf(bio_err, "Can't open input file %s\n", infile); 775 goto end; 776 } 777 } else 778 in = BIO_new_fp(stdin, BIO_NOCLOSE); 779 780 if (operation & SMIME_IP) { 781 if (informat == FORMAT_SMIME) 782 cms = SMIME_read_CMS(in, &indata); 783 else if (informat == FORMAT_PEM) 784 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL); 785 else if (informat == FORMAT_ASN1) 786 cms = d2i_CMS_bio(in, NULL); 787 else { 788 BIO_printf(bio_err, "Bad input format for CMS file\n"); 789 goto end; 790 } 791 792 if (!cms) { 793 BIO_printf(bio_err, "Error reading S/MIME message\n"); 794 goto end; 795 } 796 if (contfile) { 797 BIO_free(indata); 798 if (!(indata = BIO_new_file(contfile, "rb"))) { 799 BIO_printf(bio_err, "Can't read content file %s\n", contfile); 800 goto end; 801 } 802 } 803 if (certsoutfile) { 804 STACK_OF(X509) *allcerts; 805 allcerts = CMS_get1_certs(cms); 806 if (!save_certs(certsoutfile, allcerts)) { 807 BIO_printf(bio_err, 808 "Error writing certs to %s\n", certsoutfile); 809 ret = 5; 810 goto end; 811 } 812 sk_X509_pop_free(allcerts, X509_free); 813 } 814 } 815 816 if (rctfile) { 817 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; 818 if (!(rctin = BIO_new_file(rctfile, rctmode))) { 819 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile); 820 goto end; 821 } 822 823 if (rctformat == FORMAT_SMIME) 824 rcms = SMIME_read_CMS(rctin, NULL); 825 else if (rctformat == FORMAT_PEM) 826 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); 827 else if (rctformat == FORMAT_ASN1) 828 rcms = d2i_CMS_bio(rctin, NULL); 829 else { 830 BIO_printf(bio_err, "Bad input format for receipt\n"); 831 goto end; 832 } 833 834 if (!rcms) { 835 BIO_printf(bio_err, "Error reading receipt\n"); 836 goto end; 837 } 838 } 839 840 if (outfile) { 841 if (!(out = BIO_new_file(outfile, outmode))) { 842 BIO_printf(bio_err, "Can't open output file %s\n", outfile); 843 goto end; 844 } 845 } else { 846 out = BIO_new_fp(stdout, BIO_NOCLOSE); 847 # ifdef OPENSSL_SYS_VMS 848 { 849 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 850 out = BIO_push(tmpbio, out); 851 } 852 # endif 853 } 854 855 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) { 856 if (!(store = setup_verify(bio_err, CAfile, CApath))) 857 goto end; 858 X509_STORE_set_verify_cb(store, cms_cb); 859 if (vpm) 860 X509_STORE_set1_param(store, vpm); 861 } 862 863 ret = 3; 864 865 if (operation == SMIME_DATA_CREATE) { 866 cms = CMS_data_create(in, flags); 867 } else if (operation == SMIME_DIGEST_CREATE) { 868 cms = CMS_digest_create(in, sign_md, flags); 869 } else if (operation == SMIME_COMPRESS) { 870 cms = CMS_compress(in, -1, flags); 871 } else if (operation == SMIME_ENCRYPT) { 872 int i; 873 flags |= CMS_PARTIAL; 874 cms = CMS_encrypt(NULL, in, cipher, flags); 875 if (!cms) 876 goto end; 877 for (i = 0; i < sk_X509_num(encerts); i++) { 878 CMS_RecipientInfo *ri; 879 cms_key_param *kparam; 880 int tflags = flags; 881 X509 *x = sk_X509_value(encerts, i); 882 for (kparam = key_first; kparam; kparam = kparam->next) { 883 if (kparam->idx == i) { 884 tflags |= CMS_KEY_PARAM; 885 break; 886 } 887 } 888 ri = CMS_add1_recipient_cert(cms, x, tflags); 889 if (!ri) 890 goto end; 891 if (kparam) { 892 EVP_PKEY_CTX *pctx; 893 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri); 894 if (!cms_set_pkey_param(pctx, kparam->param)) 895 goto end; 896 } 897 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE 898 && wrap_cipher) { 899 EVP_CIPHER_CTX *wctx; 900 wctx = CMS_RecipientInfo_kari_get0_ctx(ri); 901 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL); 902 } 903 } 904 905 if (secret_key) { 906 if (!CMS_add0_recipient_key(cms, NID_undef, 907 secret_key, secret_keylen, 908 secret_keyid, secret_keyidlen, 909 NULL, NULL, NULL)) 910 goto end; 911 /* NULL these because call absorbs them */ 912 secret_key = NULL; 913 secret_keyid = NULL; 914 } 915 if (pwri_pass) { 916 pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass); 917 if (!pwri_tmp) 918 goto end; 919 if (!CMS_add0_recipient_password(cms, 920 -1, NID_undef, NID_undef, 921 pwri_tmp, -1, NULL)) 922 goto end; 923 pwri_tmp = NULL; 924 } 925 if (!(flags & CMS_STREAM)) { 926 if (!CMS_final(cms, in, NULL, flags)) 927 goto end; 928 } 929 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) { 930 cms = CMS_EncryptedData_encrypt(in, cipher, 931 secret_key, secret_keylen, flags); 932 933 } else if (operation == SMIME_SIGN_RECEIPT) { 934 CMS_ContentInfo *srcms = NULL; 935 STACK_OF(CMS_SignerInfo) *sis; 936 CMS_SignerInfo *si; 937 sis = CMS_get0_SignerInfos(cms); 938 if (!sis) 939 goto end; 940 si = sk_CMS_SignerInfo_value(sis, 0); 941 srcms = CMS_sign_receipt(si, signer, key, other, flags); 942 if (!srcms) 943 goto end; 944 CMS_ContentInfo_free(cms); 945 cms = srcms; 946 } else if (operation & SMIME_SIGNERS) { 947 int i; 948 /* 949 * If detached data content we enable streaming if S/MIME output 950 * format. 951 */ 952 if (operation == SMIME_SIGN) { 953 954 if (flags & CMS_DETACHED) { 955 if (outformat == FORMAT_SMIME) 956 flags |= CMS_STREAM; 957 } 958 flags |= CMS_PARTIAL; 959 cms = CMS_sign(NULL, NULL, other, in, flags); 960 if (!cms) 961 goto end; 962 if (econtent_type) 963 CMS_set1_eContentType(cms, econtent_type); 964 965 if (rr_to) { 966 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from); 967 if (!rr) { 968 BIO_puts(bio_err, 969 "Signed Receipt Request Creation Error\n"); 970 goto end; 971 } 972 } 973 } else 974 flags |= CMS_REUSE_DIGEST; 975 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { 976 CMS_SignerInfo *si; 977 cms_key_param *kparam; 978 int tflags = flags; 979 signerfile = sk_OPENSSL_STRING_value(sksigners, i); 980 keyfile = sk_OPENSSL_STRING_value(skkeys, i); 981 982 signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL, 983 e, "signer certificate"); 984 if (!signer) 985 goto end; 986 key = load_key(bio_err, keyfile, keyform, 0, passin, e, 987 "signing key file"); 988 if (!key) 989 goto end; 990 for (kparam = key_first; kparam; kparam = kparam->next) { 991 if (kparam->idx == i) { 992 tflags |= CMS_KEY_PARAM; 993 break; 994 } 995 } 996 si = CMS_add1_signer(cms, signer, key, sign_md, tflags); 997 if (!si) 998 goto end; 999 if (kparam) { 1000 EVP_PKEY_CTX *pctx; 1001 pctx = CMS_SignerInfo_get0_pkey_ctx(si); 1002 if (!cms_set_pkey_param(pctx, kparam->param)) 1003 goto end; 1004 } 1005 if (rr && !CMS_add1_ReceiptRequest(si, rr)) 1006 goto end; 1007 X509_free(signer); 1008 signer = NULL; 1009 EVP_PKEY_free(key); 1010 key = NULL; 1011 } 1012 /* If not streaming or resigning finalize structure */ 1013 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) { 1014 if (!CMS_final(cms, in, NULL, flags)) 1015 goto end; 1016 } 1017 } 1018 1019 if (!cms) { 1020 BIO_printf(bio_err, "Error creating CMS structure\n"); 1021 goto end; 1022 } 1023 1024 ret = 4; 1025 if (operation == SMIME_DECRYPT) { 1026 if (flags & CMS_DEBUG_DECRYPT) 1027 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); 1028 1029 if (secret_key) { 1030 if (!CMS_decrypt_set1_key(cms, 1031 secret_key, secret_keylen, 1032 secret_keyid, secret_keyidlen)) { 1033 BIO_puts(bio_err, "Error decrypting CMS using secret key\n"); 1034 goto end; 1035 } 1036 } 1037 1038 if (key) { 1039 if (!CMS_decrypt_set1_pkey(cms, key, recip)) { 1040 BIO_puts(bio_err, "Error decrypting CMS using private key\n"); 1041 goto end; 1042 } 1043 } 1044 1045 if (pwri_pass) { 1046 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) { 1047 BIO_puts(bio_err, "Error decrypting CMS using password\n"); 1048 goto end; 1049 } 1050 } 1051 1052 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) { 1053 BIO_printf(bio_err, "Error decrypting CMS structure\n"); 1054 goto end; 1055 } 1056 } else if (operation == SMIME_DATAOUT) { 1057 if (!CMS_data(cms, out, flags)) 1058 goto end; 1059 } else if (operation == SMIME_UNCOMPRESS) { 1060 if (!CMS_uncompress(cms, indata, out, flags)) 1061 goto end; 1062 } else if (operation == SMIME_DIGEST_VERIFY) { 1063 if (CMS_digest_verify(cms, indata, out, flags) > 0) 1064 BIO_printf(bio_err, "Verification successful\n"); 1065 else { 1066 BIO_printf(bio_err, "Verification failure\n"); 1067 goto end; 1068 } 1069 } else if (operation == SMIME_ENCRYPTED_DECRYPT) { 1070 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, 1071 indata, out, flags)) 1072 goto end; 1073 } else if (operation == SMIME_VERIFY) { 1074 if (CMS_verify(cms, other, store, indata, out, flags) > 0) 1075 BIO_printf(bio_err, "Verification successful\n"); 1076 else { 1077 BIO_printf(bio_err, "Verification failure\n"); 1078 if (verify_retcode) 1079 ret = verify_err + 32; 1080 goto end; 1081 } 1082 if (signerfile) { 1083 STACK_OF(X509) *signers; 1084 signers = CMS_get0_signers(cms); 1085 if (!save_certs(signerfile, signers)) { 1086 BIO_printf(bio_err, 1087 "Error writing signers to %s\n", signerfile); 1088 ret = 5; 1089 goto end; 1090 } 1091 sk_X509_free(signers); 1092 } 1093 if (rr_print) 1094 receipt_request_print(bio_err, cms); 1095 1096 } else if (operation == SMIME_VERIFY_RECEIPT) { 1097 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) 1098 BIO_printf(bio_err, "Verification successful\n"); 1099 else { 1100 BIO_printf(bio_err, "Verification failure\n"); 1101 goto end; 1102 } 1103 } else { 1104 if (noout) { 1105 if (print) 1106 CMS_ContentInfo_print_ctx(out, cms, 0, NULL); 1107 } else if (outformat == FORMAT_SMIME) { 1108 if (to) 1109 BIO_printf(out, "To: %s\n", to); 1110 if (from) 1111 BIO_printf(out, "From: %s\n", from); 1112 if (subject) 1113 BIO_printf(out, "Subject: %s\n", subject); 1114 if (operation == SMIME_RESIGN) 1115 ret = SMIME_write_CMS(out, cms, indata, flags); 1116 else 1117 ret = SMIME_write_CMS(out, cms, in, flags); 1118 } else if (outformat == FORMAT_PEM) 1119 ret = PEM_write_bio_CMS_stream(out, cms, in, flags); 1120 else if (outformat == FORMAT_ASN1) 1121 ret = i2d_CMS_bio_stream(out, cms, in, flags); 1122 else { 1123 BIO_printf(bio_err, "Bad output format for CMS file\n"); 1124 goto end; 1125 } 1126 if (ret <= 0) { 1127 ret = 6; 1128 goto end; 1129 } 1130 } 1131 ret = 0; 1132 end: 1133 if (ret) 1134 ERR_print_errors(bio_err); 1135 if (need_rand) 1136 app_RAND_write_file(NULL, bio_err); 1137 sk_X509_pop_free(encerts, X509_free); 1138 sk_X509_pop_free(other, X509_free); 1139 if (vpm) 1140 X509_VERIFY_PARAM_free(vpm); 1141 if (sksigners) 1142 sk_OPENSSL_STRING_free(sksigners); 1143 if (skkeys) 1144 sk_OPENSSL_STRING_free(skkeys); 1145 if (secret_key) 1146 OPENSSL_free(secret_key); 1147 if (secret_keyid) 1148 OPENSSL_free(secret_keyid); 1149 if (pwri_tmp) 1150 OPENSSL_free(pwri_tmp); 1151 if (econtent_type) 1152 ASN1_OBJECT_free(econtent_type); 1153 if (rr) 1154 CMS_ReceiptRequest_free(rr); 1155 if (rr_to) 1156 sk_OPENSSL_STRING_free(rr_to); 1157 if (rr_from) 1158 sk_OPENSSL_STRING_free(rr_from); 1159 for (key_param = key_first; key_param;) { 1160 cms_key_param *tparam; 1161 sk_OPENSSL_STRING_free(key_param->param); 1162 tparam = key_param->next; 1163 OPENSSL_free(key_param); 1164 key_param = tparam; 1165 } 1166 X509_STORE_free(store); 1167 X509_free(cert); 1168 X509_free(recip); 1169 X509_free(signer); 1170 EVP_PKEY_free(key); 1171 CMS_ContentInfo_free(cms); 1172 CMS_ContentInfo_free(rcms); 1173 BIO_free(rctin); 1174 BIO_free(in); 1175 BIO_free(indata); 1176 BIO_free_all(out); 1177 if (passin) 1178 OPENSSL_free(passin); 1179 return (ret); 1180 } 1181 1182 static int save_certs(char *signerfile, STACK_OF(X509) *signers) 1183 { 1184 int i; 1185 BIO *tmp; 1186 if (!signerfile) 1187 return 1; 1188 tmp = BIO_new_file(signerfile, "w"); 1189 if (!tmp) 1190 return 0; 1191 for (i = 0; i < sk_X509_num(signers); i++) 1192 PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); 1193 BIO_free(tmp); 1194 return 1; 1195 } 1196 1197 /* Minimal callback just to output policy info (if any) */ 1198 1199 static int cms_cb(int ok, X509_STORE_CTX *ctx) 1200 { 1201 int error; 1202 1203 error = X509_STORE_CTX_get_error(ctx); 1204 1205 verify_err = error; 1206 1207 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) 1208 && ((error != X509_V_OK) || (ok != 2))) 1209 return ok; 1210 1211 policies_print(NULL, ctx); 1212 1213 return ok; 1214 1215 } 1216 1217 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns) 1218 { 1219 STACK_OF(GENERAL_NAME) *gens; 1220 GENERAL_NAME *gen; 1221 int i, j; 1222 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) { 1223 gens = sk_GENERAL_NAMES_value(gns, i); 1224 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) { 1225 gen = sk_GENERAL_NAME_value(gens, j); 1226 BIO_puts(out, " "); 1227 GENERAL_NAME_print(out, gen); 1228 BIO_puts(out, "\n"); 1229 } 1230 } 1231 return; 1232 } 1233 1234 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms) 1235 { 1236 STACK_OF(CMS_SignerInfo) *sis; 1237 CMS_SignerInfo *si; 1238 CMS_ReceiptRequest *rr; 1239 int allorfirst; 1240 STACK_OF(GENERAL_NAMES) *rto, *rlist; 1241 ASN1_STRING *scid; 1242 int i, rv; 1243 sis = CMS_get0_SignerInfos(cms); 1244 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) { 1245 si = sk_CMS_SignerInfo_value(sis, i); 1246 rv = CMS_get1_ReceiptRequest(si, &rr); 1247 BIO_printf(bio_err, "Signer %d:\n", i + 1); 1248 if (rv == 0) 1249 BIO_puts(bio_err, " No Receipt Request\n"); 1250 else if (rv < 0) { 1251 BIO_puts(bio_err, " Receipt Request Parse Error\n"); 1252 ERR_print_errors(bio_err); 1253 } else { 1254 char *id; 1255 int idlen; 1256 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, 1257 &rlist, &rto); 1258 BIO_puts(out, " Signed Content ID:\n"); 1259 idlen = ASN1_STRING_length(scid); 1260 id = (char *)ASN1_STRING_data(scid); 1261 BIO_dump_indent(out, id, idlen, 4); 1262 BIO_puts(out, " Receipts From"); 1263 if (rlist) { 1264 BIO_puts(out, " List:\n"); 1265 gnames_stack_print(out, rlist); 1266 } else if (allorfirst == 1) 1267 BIO_puts(out, ": First Tier\n"); 1268 else if (allorfirst == 0) 1269 BIO_puts(out, ": All\n"); 1270 else 1271 BIO_printf(out, " Unknown (%d)\n", allorfirst); 1272 BIO_puts(out, " Receipts To:\n"); 1273 gnames_stack_print(out, rto); 1274 } 1275 if (rr) 1276 CMS_ReceiptRequest_free(rr); 1277 } 1278 } 1279 1280 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns) 1281 { 1282 int i; 1283 STACK_OF(GENERAL_NAMES) *ret; 1284 GENERAL_NAMES *gens = NULL; 1285 GENERAL_NAME *gen = NULL; 1286 ret = sk_GENERAL_NAMES_new_null(); 1287 if (!ret) 1288 goto err; 1289 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) { 1290 char *str = sk_OPENSSL_STRING_value(ns, i); 1291 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); 1292 if (!gen) 1293 goto err; 1294 gens = GENERAL_NAMES_new(); 1295 if (!gens) 1296 goto err; 1297 if (!sk_GENERAL_NAME_push(gens, gen)) 1298 goto err; 1299 gen = NULL; 1300 if (!sk_GENERAL_NAMES_push(ret, gens)) 1301 goto err; 1302 gens = NULL; 1303 } 1304 1305 return ret; 1306 1307 err: 1308 if (ret) 1309 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); 1310 if (gens) 1311 GENERAL_NAMES_free(gens); 1312 if (gen) 1313 GENERAL_NAME_free(gen); 1314 return NULL; 1315 } 1316 1317 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) 1318 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING) 1319 *rr_from) 1320 { 1321 STACK_OF(GENERAL_NAMES) *rct_to, *rct_from; 1322 CMS_ReceiptRequest *rr; 1323 rct_to = make_names_stack(rr_to); 1324 if (!rct_to) 1325 goto err; 1326 if (rr_from) { 1327 rct_from = make_names_stack(rr_from); 1328 if (!rct_from) 1329 goto err; 1330 } else 1331 rct_from = NULL; 1332 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from, 1333 rct_to); 1334 return rr; 1335 err: 1336 return NULL; 1337 } 1338 1339 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 1340 STACK_OF(OPENSSL_STRING) *param) 1341 { 1342 char *keyopt; 1343 int i; 1344 if (sk_OPENSSL_STRING_num(param) <= 0) 1345 return 1; 1346 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) { 1347 keyopt = sk_OPENSSL_STRING_value(param, i); 1348 if (pkey_ctrl_string(pctx, keyopt) <= 0) { 1349 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt); 1350 ERR_print_errors(bio_err); 1351 return 0; 1352 } 1353 } 1354 return 1; 1355 } 1356 1357 #endif 1358