1 /* apps/cms.c */ 2 /* Written by Dr Stephen N Henson (steve (at) 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 (at) 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, "-debug_decrypt")) 237 flags |= CMS_DEBUG_DECRYPT; 238 else if (!strcmp (*args, "-text")) 239 flags |= CMS_TEXT; 240 else if (!strcmp (*args, "-nointern")) 241 flags |= CMS_NOINTERN; 242 else if (!strcmp (*args, "-noverify") 243 || !strcmp (*args, "-no_signer_cert_verify")) 244 flags |= CMS_NO_SIGNER_CERT_VERIFY; 245 else if (!strcmp (*args, "-nocerts")) 246 flags |= CMS_NOCERTS; 247 else if (!strcmp (*args, "-noattr")) 248 flags |= CMS_NOATTR; 249 else if (!strcmp (*args, "-nodetach")) 250 flags &= ~CMS_DETACHED; 251 else if (!strcmp (*args, "-nosmimecap")) 252 flags |= CMS_NOSMIMECAP; 253 else if (!strcmp (*args, "-binary")) 254 flags |= CMS_BINARY; 255 else if (!strcmp (*args, "-keyid")) 256 flags |= CMS_USE_KEYID; 257 else if (!strcmp (*args, "-nosigs")) 258 flags |= CMS_NOSIGS; 259 else if (!strcmp (*args, "-no_content_verify")) 260 flags |= CMS_NO_CONTENT_VERIFY; 261 else if (!strcmp (*args, "-no_attr_verify")) 262 flags |= CMS_NO_ATTR_VERIFY; 263 else if (!strcmp (*args, "-stream")) 264 flags |= CMS_STREAM; 265 else if (!strcmp (*args, "-indef")) 266 flags |= CMS_STREAM; 267 else if (!strcmp (*args, "-noindef")) 268 flags &= ~CMS_STREAM; 269 else if (!strcmp (*args, "-nooldmime")) 270 flags |= CMS_NOOLDMIMETYPE; 271 else if (!strcmp (*args, "-crlfeol")) 272 flags |= CMS_CRLFEOL; 273 else if (!strcmp (*args, "-noout")) 274 noout = 1; 275 else if (!strcmp (*args, "-receipt_request_print")) 276 rr_print = 1; 277 else if (!strcmp (*args, "-receipt_request_all")) 278 rr_allorfirst = 0; 279 else if (!strcmp (*args, "-receipt_request_first")) 280 rr_allorfirst = 1; 281 else if (!strcmp(*args,"-receipt_request_from")) 282 { 283 if (!args[1]) 284 goto argerr; 285 args++; 286 if (!rr_from) 287 rr_from = sk_OPENSSL_STRING_new_null(); 288 sk_OPENSSL_STRING_push(rr_from, *args); 289 } 290 else if (!strcmp(*args,"-receipt_request_to")) 291 { 292 if (!args[1]) 293 goto argerr; 294 args++; 295 if (!rr_to) 296 rr_to = sk_OPENSSL_STRING_new_null(); 297 sk_OPENSSL_STRING_push(rr_to, *args); 298 } 299 else if (!strcmp (*args, "-print")) 300 { 301 noout = 1; 302 print = 1; 303 } 304 else if (!strcmp(*args,"-secretkey")) 305 { 306 long ltmp; 307 if (!args[1]) 308 goto argerr; 309 args++; 310 secret_key = string_to_hex(*args, <mp); 311 if (!secret_key) 312 { 313 BIO_printf(bio_err, "Invalid key %s\n", *args); 314 goto argerr; 315 } 316 secret_keylen = (size_t)ltmp; 317 } 318 else if (!strcmp(*args,"-secretkeyid")) 319 { 320 long ltmp; 321 if (!args[1]) 322 goto argerr; 323 args++; 324 secret_keyid = string_to_hex(*args, <mp); 325 if (!secret_keyid) 326 { 327 BIO_printf(bio_err, "Invalid id %s\n", *args); 328 goto argerr; 329 } 330 secret_keyidlen = (size_t)ltmp; 331 } 332 else if (!strcmp(*args,"-pwri_password")) 333 { 334 if (!args[1]) 335 goto argerr; 336 args++; 337 pwri_pass = (unsigned char *)*args; 338 } 339 else if (!strcmp(*args,"-econtent_type")) 340 { 341 if (!args[1]) 342 goto argerr; 343 args++; 344 econtent_type = OBJ_txt2obj(*args, 0); 345 if (!econtent_type) 346 { 347 BIO_printf(bio_err, "Invalid OID %s\n", *args); 348 goto argerr; 349 } 350 } 351 else if (!strcmp(*args,"-rand")) 352 { 353 if (!args[1]) 354 goto argerr; 355 args++; 356 inrand = *args; 357 need_rand = 1; 358 } 359 #ifndef OPENSSL_NO_ENGINE 360 else if (!strcmp(*args,"-engine")) 361 { 362 if (!args[1]) 363 goto argerr; 364 engine = *++args; 365 } 366 #endif 367 else if (!strcmp(*args,"-passin")) 368 { 369 if (!args[1]) 370 goto argerr; 371 passargin = *++args; 372 } 373 else if (!strcmp (*args, "-to")) 374 { 375 if (!args[1]) 376 goto argerr; 377 to = *++args; 378 } 379 else if (!strcmp (*args, "-from")) 380 { 381 if (!args[1]) 382 goto argerr; 383 from = *++args; 384 } 385 else if (!strcmp (*args, "-subject")) 386 { 387 if (!args[1]) 388 goto argerr; 389 subject = *++args; 390 } 391 else if (!strcmp (*args, "-signer")) 392 { 393 if (!args[1]) 394 goto argerr; 395 /* If previous -signer argument add signer to list */ 396 397 if (signerfile) 398 { 399 if (!sksigners) 400 sksigners = sk_OPENSSL_STRING_new_null(); 401 sk_OPENSSL_STRING_push(sksigners, signerfile); 402 if (!keyfile) 403 keyfile = signerfile; 404 if (!skkeys) 405 skkeys = sk_OPENSSL_STRING_new_null(); 406 sk_OPENSSL_STRING_push(skkeys, keyfile); 407 keyfile = NULL; 408 } 409 signerfile = *++args; 410 } 411 else if (!strcmp (*args, "-recip")) 412 { 413 if (!args[1]) 414 goto argerr; 415 recipfile = *++args; 416 } 417 else if (!strcmp (*args, "-certsout")) 418 { 419 if (!args[1]) 420 goto argerr; 421 certsoutfile = *++args; 422 } 423 else if (!strcmp (*args, "-md")) 424 { 425 if (!args[1]) 426 goto argerr; 427 sign_md = EVP_get_digestbyname(*++args); 428 if (sign_md == NULL) 429 { 430 BIO_printf(bio_err, "Unknown digest %s\n", 431 *args); 432 goto argerr; 433 } 434 } 435 else if (!strcmp (*args, "-inkey")) 436 { 437 if (!args[1]) 438 goto argerr; 439 /* If previous -inkey arument add signer to list */ 440 if (keyfile) 441 { 442 if (!signerfile) 443 { 444 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 445 goto argerr; 446 } 447 if (!sksigners) 448 sksigners = sk_OPENSSL_STRING_new_null(); 449 sk_OPENSSL_STRING_push(sksigners, signerfile); 450 signerfile = NULL; 451 if (!skkeys) 452 skkeys = sk_OPENSSL_STRING_new_null(); 453 sk_OPENSSL_STRING_push(skkeys, keyfile); 454 } 455 keyfile = *++args; 456 } 457 else if (!strcmp (*args, "-keyform")) 458 { 459 if (!args[1]) 460 goto argerr; 461 keyform = str2fmt(*++args); 462 } 463 else if (!strcmp (*args, "-rctform")) 464 { 465 if (!args[1]) 466 goto argerr; 467 rctformat = str2fmt(*++args); 468 } 469 else if (!strcmp (*args, "-certfile")) 470 { 471 if (!args[1]) 472 goto argerr; 473 certfile = *++args; 474 } 475 else if (!strcmp (*args, "-CAfile")) 476 { 477 if (!args[1]) 478 goto argerr; 479 CAfile = *++args; 480 } 481 else if (!strcmp (*args, "-CApath")) 482 { 483 if (!args[1]) 484 goto argerr; 485 CApath = *++args; 486 } 487 else if (!strcmp (*args, "-in")) 488 { 489 if (!args[1]) 490 goto argerr; 491 infile = *++args; 492 } 493 else if (!strcmp (*args, "-inform")) 494 { 495 if (!args[1]) 496 goto argerr; 497 informat = str2fmt(*++args); 498 } 499 else if (!strcmp (*args, "-outform")) 500 { 501 if (!args[1]) 502 goto argerr; 503 outformat = str2fmt(*++args); 504 } 505 else if (!strcmp (*args, "-out")) 506 { 507 if (!args[1]) 508 goto argerr; 509 outfile = *++args; 510 } 511 else if (!strcmp (*args, "-content")) 512 { 513 if (!args[1]) 514 goto argerr; 515 contfile = *++args; 516 } 517 else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) 518 continue; 519 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) 520 badarg = 1; 521 args++; 522 } 523 524 if (((rr_allorfirst != -1) || rr_from) && !rr_to) 525 { 526 BIO_puts(bio_err, "No Signed Receipts Recipients\n"); 527 goto argerr; 528 } 529 530 if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) 531 { 532 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); 533 goto argerr; 534 } 535 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) 536 { 537 BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); 538 goto argerr; 539 } 540 541 if (operation & SMIME_SIGNERS) 542 { 543 if (keyfile && !signerfile) 544 { 545 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 546 goto argerr; 547 } 548 /* Check to see if any final signer needs to be appended */ 549 if (signerfile) 550 { 551 if (!sksigners) 552 sksigners = sk_OPENSSL_STRING_new_null(); 553 sk_OPENSSL_STRING_push(sksigners, signerfile); 554 if (!skkeys) 555 skkeys = sk_OPENSSL_STRING_new_null(); 556 if (!keyfile) 557 keyfile = signerfile; 558 sk_OPENSSL_STRING_push(skkeys, keyfile); 559 } 560 if (!sksigners) 561 { 562 BIO_printf(bio_err, "No signer certificate specified\n"); 563 badarg = 1; 564 } 565 signerfile = NULL; 566 keyfile = NULL; 567 need_rand = 1; 568 } 569 570 else if (operation == SMIME_DECRYPT) 571 { 572 if (!recipfile && !keyfile && !secret_key && !pwri_pass) 573 { 574 BIO_printf(bio_err, "No recipient certificate or key specified\n"); 575 badarg = 1; 576 } 577 } 578 else if (operation == SMIME_ENCRYPT) 579 { 580 if (!*args && !secret_key && !pwri_pass) 581 { 582 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); 583 badarg = 1; 584 } 585 need_rand = 1; 586 } 587 else if (!operation) 588 badarg = 1; 589 590 if (badarg) 591 { 592 argerr: 593 BIO_printf (bio_err, "Usage cms [options] cert.pem ...\n"); 594 BIO_printf (bio_err, "where options are\n"); 595 BIO_printf (bio_err, "-encrypt encrypt message\n"); 596 BIO_printf (bio_err, "-decrypt decrypt encrypted message\n"); 597 BIO_printf (bio_err, "-sign sign message\n"); 598 BIO_printf (bio_err, "-verify verify signed message\n"); 599 BIO_printf (bio_err, "-cmsout output CMS structure\n"); 600 #ifndef OPENSSL_NO_DES 601 BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); 602 BIO_printf (bio_err, "-des encrypt with DES\n"); 603 #endif 604 #ifndef OPENSSL_NO_SEED 605 BIO_printf (bio_err, "-seed encrypt with SEED\n"); 606 #endif 607 #ifndef OPENSSL_NO_RC2 608 BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); 609 BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); 610 BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n"); 611 #endif 612 #ifndef OPENSSL_NO_AES 613 BIO_printf (bio_err, "-aes128, -aes192, -aes256\n"); 614 BIO_printf (bio_err, " encrypt PEM output with cbc aes\n"); 615 #endif 616 #ifndef OPENSSL_NO_CAMELLIA 617 BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n"); 618 BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n"); 619 #endif 620 BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n"); 621 BIO_printf (bio_err, "-nosigs don't verify message signature\n"); 622 BIO_printf (bio_err, "-noverify don't verify signers certificate\n"); 623 BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n"); 624 BIO_printf (bio_err, "-nodetach use opaque signing\n"); 625 BIO_printf (bio_err, "-noattr don't include any signed attributes\n"); 626 BIO_printf (bio_err, "-binary don't translate message to text\n"); 627 BIO_printf (bio_err, "-certfile file other certificates file\n"); 628 BIO_printf (bio_err, "-certsout file certificate output file\n"); 629 BIO_printf (bio_err, "-signer file signer certificate file\n"); 630 BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n"); 631 BIO_printf (bio_err, "-keyid use subject key identifier\n"); 632 BIO_printf (bio_err, "-in file input file\n"); 633 BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n"); 634 BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n"); 635 BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n"); 636 BIO_printf (bio_err, "-out file output file\n"); 637 BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n"); 638 BIO_printf (bio_err, "-content file supply or override content for detached signature\n"); 639 BIO_printf (bio_err, "-to addr to address\n"); 640 BIO_printf (bio_err, "-from ad from address\n"); 641 BIO_printf (bio_err, "-subject s subject\n"); 642 BIO_printf (bio_err, "-text include or delete text MIME headers\n"); 643 BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); 644 BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); 645 BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); 646 BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); 647 #ifndef OPENSSL_NO_ENGINE 648 BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n"); 649 #endif 650 BIO_printf (bio_err, "-passin arg input file pass phrase source\n"); 651 BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 652 BIO_printf(bio_err, " load the file (or the files in the directory) into\n"); 653 BIO_printf(bio_err, " the random number generator\n"); 654 BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n"); 655 goto end; 656 } 657 658 #ifndef OPENSSL_NO_ENGINE 659 e = setup_engine(bio_err, engine, 0); 660 #endif 661 662 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) 663 { 664 BIO_printf(bio_err, "Error getting password\n"); 665 goto end; 666 } 667 668 if (need_rand) 669 { 670 app_RAND_load_file(NULL, bio_err, (inrand != NULL)); 671 if (inrand != NULL) 672 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 673 app_RAND_load_files(inrand)); 674 } 675 676 ret = 2; 677 678 if (!(operation & SMIME_SIGNERS)) 679 flags &= ~CMS_DETACHED; 680 681 if (operation & SMIME_OP) 682 { 683 if (outformat == FORMAT_ASN1) 684 outmode = "wb"; 685 } 686 else 687 { 688 if (flags & CMS_BINARY) 689 outmode = "wb"; 690 } 691 692 if (operation & SMIME_IP) 693 { 694 if (informat == FORMAT_ASN1) 695 inmode = "rb"; 696 } 697 else 698 { 699 if (flags & CMS_BINARY) 700 inmode = "rb"; 701 } 702 703 if (operation == SMIME_ENCRYPT) 704 { 705 if (!cipher) 706 { 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 { 717 BIO_printf(bio_err, "No secret key id\n"); 718 goto end; 719 } 720 721 if (*args) 722 encerts = sk_X509_new_null(); 723 while (*args) 724 { 725 if (!(cert = load_cert(bio_err,*args,FORMAT_PEM, 726 NULL, e, "recipient certificate file"))) 727 goto end; 728 sk_X509_push(encerts, cert); 729 cert = NULL; 730 args++; 731 } 732 } 733 734 if (certfile) 735 { 736 if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL, 737 e, "certificate file"))) 738 { 739 ERR_print_errors(bio_err); 740 goto end; 741 } 742 } 743 744 if (recipfile && (operation == SMIME_DECRYPT)) 745 { 746 if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL, 747 e, "recipient certificate file"))) 748 { 749 ERR_print_errors(bio_err); 750 goto end; 751 } 752 } 753 754 if (operation == SMIME_SIGN_RECEIPT) 755 { 756 if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM,NULL, 757 e, "receipt signer certificate file"))) 758 { 759 ERR_print_errors(bio_err); 760 goto end; 761 } 762 } 763 764 if (operation == SMIME_DECRYPT) 765 { 766 if (!keyfile) 767 keyfile = recipfile; 768 } 769 else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) 770 { 771 if (!keyfile) 772 keyfile = signerfile; 773 } 774 else keyfile = NULL; 775 776 if (keyfile) 777 { 778 key = load_key(bio_err, keyfile, keyform, 0, passin, e, 779 "signing key file"); 780 if (!key) 781 goto end; 782 } 783 784 if (infile) 785 { 786 if (!(in = BIO_new_file(infile, inmode))) 787 { 788 BIO_printf (bio_err, 789 "Can't open input file %s\n", infile); 790 goto end; 791 } 792 } 793 else 794 in = BIO_new_fp(stdin, BIO_NOCLOSE); 795 796 if (operation & SMIME_IP) 797 { 798 if (informat == FORMAT_SMIME) 799 cms = SMIME_read_CMS(in, &indata); 800 else if (informat == FORMAT_PEM) 801 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL); 802 else if (informat == FORMAT_ASN1) 803 cms = d2i_CMS_bio(in, NULL); 804 else 805 { 806 BIO_printf(bio_err, "Bad input format for CMS file\n"); 807 goto end; 808 } 809 810 if (!cms) 811 { 812 BIO_printf(bio_err, "Error reading S/MIME message\n"); 813 goto end; 814 } 815 if (contfile) 816 { 817 BIO_free(indata); 818 if (!(indata = BIO_new_file(contfile, "rb"))) 819 { 820 BIO_printf(bio_err, "Can't read content file %s\n", contfile); 821 goto end; 822 } 823 } 824 if (certsoutfile) 825 { 826 STACK_OF(X509) *allcerts; 827 allcerts = CMS_get1_certs(cms); 828 if (!save_certs(certsoutfile, allcerts)) 829 { 830 BIO_printf(bio_err, 831 "Error writing certs to %s\n", 832 certsoutfile); 833 ret = 5; 834 goto end; 835 } 836 sk_X509_pop_free(allcerts, X509_free); 837 } 838 } 839 840 if (rctfile) 841 { 842 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; 843 if (!(rctin = BIO_new_file(rctfile, rctmode))) 844 { 845 BIO_printf (bio_err, 846 "Can't open receipt file %s\n", rctfile); 847 goto end; 848 } 849 850 if (rctformat == FORMAT_SMIME) 851 rcms = SMIME_read_CMS(rctin, NULL); 852 else if (rctformat == FORMAT_PEM) 853 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); 854 else if (rctformat == FORMAT_ASN1) 855 rcms = d2i_CMS_bio(rctin, NULL); 856 else 857 { 858 BIO_printf(bio_err, "Bad input format for receipt\n"); 859 goto end; 860 } 861 862 if (!rcms) 863 { 864 BIO_printf(bio_err, "Error reading receipt\n"); 865 goto end; 866 } 867 } 868 869 if (outfile) 870 { 871 if (!(out = BIO_new_file(outfile, outmode))) 872 { 873 BIO_printf (bio_err, 874 "Can't open output file %s\n", outfile); 875 goto end; 876 } 877 } 878 else 879 { 880 out = BIO_new_fp(stdout, BIO_NOCLOSE); 881 #ifdef OPENSSL_SYS_VMS 882 { 883 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 884 out = BIO_push(tmpbio, out); 885 } 886 #endif 887 } 888 889 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) 890 { 891 if (!(store = setup_verify(bio_err, CAfile, CApath))) 892 goto end; 893 X509_STORE_set_verify_cb(store, cms_cb); 894 if (vpm) 895 X509_STORE_set1_param(store, vpm); 896 } 897 898 899 ret = 3; 900 901 if (operation == SMIME_DATA_CREATE) 902 { 903 cms = CMS_data_create(in, flags); 904 } 905 else if (operation == SMIME_DIGEST_CREATE) 906 { 907 cms = CMS_digest_create(in, sign_md, flags); 908 } 909 else if (operation == SMIME_COMPRESS) 910 { 911 cms = CMS_compress(in, -1, flags); 912 } 913 else if (operation == SMIME_ENCRYPT) 914 { 915 flags |= CMS_PARTIAL; 916 cms = CMS_encrypt(encerts, in, cipher, flags); 917 if (!cms) 918 goto end; 919 if (secret_key) 920 { 921 if (!CMS_add0_recipient_key(cms, NID_undef, 922 secret_key, secret_keylen, 923 secret_keyid, secret_keyidlen, 924 NULL, NULL, NULL)) 925 goto end; 926 /* NULL these because call absorbs them */ 927 secret_key = NULL; 928 secret_keyid = NULL; 929 } 930 if (pwri_pass) 931 { 932 pwri_tmp = (unsigned char *)BUF_strdup((char *)pwri_pass); 933 if (!pwri_tmp) 934 goto end; 935 if (!CMS_add0_recipient_password(cms, 936 -1, NID_undef, NID_undef, 937 pwri_tmp, -1, NULL)) 938 goto end; 939 pwri_tmp = NULL; 940 } 941 if (!(flags & CMS_STREAM)) 942 { 943 if (!CMS_final(cms, in, NULL, flags)) 944 goto end; 945 } 946 } 947 else if (operation == SMIME_ENCRYPTED_ENCRYPT) 948 { 949 cms = CMS_EncryptedData_encrypt(in, cipher, 950 secret_key, secret_keylen, 951 flags); 952 953 } 954 else if (operation == SMIME_SIGN_RECEIPT) 955 { 956 CMS_ContentInfo *srcms = NULL; 957 STACK_OF(CMS_SignerInfo) *sis; 958 CMS_SignerInfo *si; 959 sis = CMS_get0_SignerInfos(cms); 960 if (!sis) 961 goto end; 962 si = sk_CMS_SignerInfo_value(sis, 0); 963 srcms = CMS_sign_receipt(si, signer, key, other, flags); 964 if (!srcms) 965 goto end; 966 CMS_ContentInfo_free(cms); 967 cms = srcms; 968 } 969 else if (operation & SMIME_SIGNERS) 970 { 971 int i; 972 /* If detached data content we enable streaming if 973 * S/MIME output format. 974 */ 975 if (operation == SMIME_SIGN) 976 { 977 978 if (flags & CMS_DETACHED) 979 { 980 if (outformat == FORMAT_SMIME) 981 flags |= CMS_STREAM; 982 } 983 flags |= CMS_PARTIAL; 984 cms = CMS_sign(NULL, NULL, other, in, flags); 985 if (!cms) 986 goto end; 987 if (econtent_type) 988 CMS_set1_eContentType(cms, econtent_type); 989 990 if (rr_to) 991 { 992 rr = make_receipt_request(rr_to, rr_allorfirst, 993 rr_from); 994 if (!rr) 995 { 996 BIO_puts(bio_err, 997 "Signed Receipt Request Creation Error\n"); 998 goto end; 999 } 1000 } 1001 } 1002 else 1003 flags |= CMS_REUSE_DIGEST; 1004 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) 1005 { 1006 CMS_SignerInfo *si; 1007 signerfile = sk_OPENSSL_STRING_value(sksigners, i); 1008 keyfile = sk_OPENSSL_STRING_value(skkeys, i); 1009 signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL, 1010 e, "signer certificate"); 1011 if (!signer) 1012 goto end; 1013 key = load_key(bio_err, keyfile, keyform, 0, passin, e, 1014 "signing key file"); 1015 if (!key) 1016 goto end; 1017 si = CMS_add1_signer(cms, signer, key, sign_md, flags); 1018 if (!si) 1019 goto end; 1020 if (rr && !CMS_add1_ReceiptRequest(si, rr)) 1021 goto end; 1022 X509_free(signer); 1023 signer = NULL; 1024 EVP_PKEY_free(key); 1025 key = NULL; 1026 } 1027 /* If not streaming or resigning finalize structure */ 1028 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) 1029 { 1030 if (!CMS_final(cms, in, NULL, flags)) 1031 goto end; 1032 } 1033 } 1034 1035 if (!cms) 1036 { 1037 BIO_printf(bio_err, "Error creating CMS structure\n"); 1038 goto end; 1039 } 1040 1041 ret = 4; 1042 if (operation == SMIME_DECRYPT) 1043 { 1044 if (flags & CMS_DEBUG_DECRYPT) 1045 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); 1046 1047 if (secret_key) 1048 { 1049 if (!CMS_decrypt_set1_key(cms, 1050 secret_key, secret_keylen, 1051 secret_keyid, secret_keyidlen)) 1052 { 1053 BIO_puts(bio_err, 1054 "Error decrypting CMS using secret key\n"); 1055 goto end; 1056 } 1057 } 1058 1059 if (key) 1060 { 1061 if (!CMS_decrypt_set1_pkey(cms, key, recip)) 1062 { 1063 BIO_puts(bio_err, 1064 "Error decrypting CMS using private key\n"); 1065 goto end; 1066 } 1067 } 1068 1069 if (pwri_pass) 1070 { 1071 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) 1072 { 1073 BIO_puts(bio_err, 1074 "Error decrypting CMS using password\n"); 1075 goto end; 1076 } 1077 } 1078 1079 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) 1080 { 1081 BIO_printf(bio_err, "Error decrypting CMS structure\n"); 1082 goto end; 1083 } 1084 } 1085 else if (operation == SMIME_DATAOUT) 1086 { 1087 if (!CMS_data(cms, out, flags)) 1088 goto end; 1089 } 1090 else if (operation == SMIME_UNCOMPRESS) 1091 { 1092 if (!CMS_uncompress(cms, indata, out, flags)) 1093 goto end; 1094 } 1095 else if (operation == SMIME_DIGEST_VERIFY) 1096 { 1097 if (CMS_digest_verify(cms, indata, out, flags) > 0) 1098 BIO_printf(bio_err, "Verification successful\n"); 1099 else 1100 { 1101 BIO_printf(bio_err, "Verification failure\n"); 1102 goto end; 1103 } 1104 } 1105 else if (operation == SMIME_ENCRYPTED_DECRYPT) 1106 { 1107 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, 1108 indata, out, flags)) 1109 goto end; 1110 } 1111 else if (operation == SMIME_VERIFY) 1112 { 1113 if (CMS_verify(cms, other, store, indata, out, flags) > 0) 1114 BIO_printf(bio_err, "Verification successful\n"); 1115 else 1116 { 1117 BIO_printf(bio_err, "Verification failure\n"); 1118 if (verify_retcode) 1119 ret = verify_err + 32; 1120 goto end; 1121 } 1122 if (signerfile) 1123 { 1124 STACK_OF(X509) *signers; 1125 signers = CMS_get0_signers(cms); 1126 if (!save_certs(signerfile, signers)) 1127 { 1128 BIO_printf(bio_err, 1129 "Error writing signers to %s\n", 1130 signerfile); 1131 ret = 5; 1132 goto end; 1133 } 1134 sk_X509_free(signers); 1135 } 1136 if (rr_print) 1137 receipt_request_print(bio_err, cms); 1138 1139 } 1140 else if (operation == SMIME_VERIFY_RECEIPT) 1141 { 1142 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) 1143 BIO_printf(bio_err, "Verification successful\n"); 1144 else 1145 { 1146 BIO_printf(bio_err, "Verification failure\n"); 1147 goto end; 1148 } 1149 } 1150 else 1151 { 1152 if (noout) 1153 { 1154 if (print) 1155 CMS_ContentInfo_print_ctx(out, cms, 0, NULL); 1156 } 1157 else if (outformat == FORMAT_SMIME) 1158 { 1159 if (to) 1160 BIO_printf(out, "To: %s\n", to); 1161 if (from) 1162 BIO_printf(out, "From: %s\n", from); 1163 if (subject) 1164 BIO_printf(out, "Subject: %s\n", subject); 1165 if (operation == SMIME_RESIGN) 1166 ret = SMIME_write_CMS(out, cms, indata, flags); 1167 else 1168 ret = SMIME_write_CMS(out, cms, in, flags); 1169 } 1170 else if (outformat == FORMAT_PEM) 1171 ret = PEM_write_bio_CMS_stream(out, cms, in, flags); 1172 else if (outformat == FORMAT_ASN1) 1173 ret = i2d_CMS_bio_stream(out,cms, in, flags); 1174 else 1175 { 1176 BIO_printf(bio_err, "Bad output format for CMS file\n"); 1177 goto end; 1178 } 1179 if (ret <= 0) 1180 { 1181 ret = 6; 1182 goto end; 1183 } 1184 } 1185 ret = 0; 1186 end: 1187 if (ret) 1188 ERR_print_errors(bio_err); 1189 if (need_rand) 1190 app_RAND_write_file(NULL, bio_err); 1191 sk_X509_pop_free(encerts, X509_free); 1192 sk_X509_pop_free(other, X509_free); 1193 if (vpm) 1194 X509_VERIFY_PARAM_free(vpm); 1195 if (sksigners) 1196 sk_OPENSSL_STRING_free(sksigners); 1197 if (skkeys) 1198 sk_OPENSSL_STRING_free(skkeys); 1199 if (secret_key) 1200 OPENSSL_free(secret_key); 1201 if (secret_keyid) 1202 OPENSSL_free(secret_keyid); 1203 if (pwri_tmp) 1204 OPENSSL_free(pwri_tmp); 1205 if (econtent_type) 1206 ASN1_OBJECT_free(econtent_type); 1207 if (rr) 1208 CMS_ReceiptRequest_free(rr); 1209 if (rr_to) 1210 sk_OPENSSL_STRING_free(rr_to); 1211 if (rr_from) 1212 sk_OPENSSL_STRING_free(rr_from); 1213 X509_STORE_free(store); 1214 X509_free(cert); 1215 X509_free(recip); 1216 X509_free(signer); 1217 EVP_PKEY_free(key); 1218 CMS_ContentInfo_free(cms); 1219 CMS_ContentInfo_free(rcms); 1220 BIO_free(rctin); 1221 BIO_free(in); 1222 BIO_free(indata); 1223 BIO_free_all(out); 1224 if (passin) OPENSSL_free(passin); 1225 return (ret); 1226 } 1227 1228 static int save_certs(char *signerfile, STACK_OF(X509) *signers) 1229 { 1230 int i; 1231 BIO *tmp; 1232 if (!signerfile) 1233 return 1; 1234 tmp = BIO_new_file(signerfile, "w"); 1235 if (!tmp) return 0; 1236 for(i = 0; i < sk_X509_num(signers); i++) 1237 PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); 1238 BIO_free(tmp); 1239 return 1; 1240 } 1241 1242 1243 /* Minimal callback just to output policy info (if any) */ 1244 1245 static int cms_cb(int ok, X509_STORE_CTX *ctx) 1246 { 1247 int error; 1248 1249 error = X509_STORE_CTX_get_error(ctx); 1250 1251 verify_err = error; 1252 1253 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) 1254 && ((error != X509_V_OK) || (ok != 2))) 1255 return ok; 1256 1257 policies_print(NULL, ctx); 1258 1259 return ok; 1260 1261 } 1262 1263 static void gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns) 1264 { 1265 STACK_OF(GENERAL_NAME) *gens; 1266 GENERAL_NAME *gen; 1267 int i, j; 1268 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) 1269 { 1270 gens = sk_GENERAL_NAMES_value(gns, i); 1271 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) 1272 { 1273 gen = sk_GENERAL_NAME_value(gens, j); 1274 BIO_puts(out, " "); 1275 GENERAL_NAME_print(out, gen); 1276 BIO_puts(out, "\n"); 1277 } 1278 } 1279 return; 1280 } 1281 1282 static void receipt_request_print(BIO *out, CMS_ContentInfo *cms) 1283 { 1284 STACK_OF(CMS_SignerInfo) *sis; 1285 CMS_SignerInfo *si; 1286 CMS_ReceiptRequest *rr; 1287 int allorfirst; 1288 STACK_OF(GENERAL_NAMES) *rto, *rlist; 1289 ASN1_STRING *scid; 1290 int i, rv; 1291 sis = CMS_get0_SignerInfos(cms); 1292 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) 1293 { 1294 si = sk_CMS_SignerInfo_value(sis, i); 1295 rv = CMS_get1_ReceiptRequest(si, &rr); 1296 BIO_printf(bio_err, "Signer %d:\n", i + 1); 1297 if (rv == 0) 1298 BIO_puts(bio_err, " No Receipt Request\n"); 1299 else if (rv < 0) 1300 { 1301 BIO_puts(bio_err, " Receipt Request Parse Error\n"); 1302 ERR_print_errors(bio_err); 1303 } 1304 else 1305 { 1306 char *id; 1307 int idlen; 1308 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, 1309 &rlist, &rto); 1310 BIO_puts(out, " Signed Content ID:\n"); 1311 idlen = ASN1_STRING_length(scid); 1312 id = (char *)ASN1_STRING_data(scid); 1313 BIO_dump_indent(out, id, idlen, 4); 1314 BIO_puts(out, " Receipts From"); 1315 if (rlist) 1316 { 1317 BIO_puts(out, " List:\n"); 1318 gnames_stack_print(out, rlist); 1319 } 1320 else if (allorfirst == 1) 1321 BIO_puts(out, ": First Tier\n"); 1322 else if (allorfirst == 0) 1323 BIO_puts(out, ": All\n"); 1324 else 1325 BIO_printf(out, " Unknown (%d)\n", allorfirst); 1326 BIO_puts(out, " Receipts To:\n"); 1327 gnames_stack_print(out, rto); 1328 } 1329 if (rr) 1330 CMS_ReceiptRequest_free(rr); 1331 } 1332 } 1333 1334 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns) 1335 { 1336 int i; 1337 STACK_OF(GENERAL_NAMES) *ret; 1338 GENERAL_NAMES *gens = NULL; 1339 GENERAL_NAME *gen = NULL; 1340 ret = sk_GENERAL_NAMES_new_null(); 1341 if (!ret) 1342 goto err; 1343 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) 1344 { 1345 char *str = sk_OPENSSL_STRING_value(ns, i); 1346 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); 1347 if (!gen) 1348 goto err; 1349 gens = GENERAL_NAMES_new(); 1350 if (!gens) 1351 goto err; 1352 if (!sk_GENERAL_NAME_push(gens, gen)) 1353 goto err; 1354 gen = NULL; 1355 if (!sk_GENERAL_NAMES_push(ret, gens)) 1356 goto err; 1357 gens = NULL; 1358 } 1359 1360 return ret; 1361 1362 err: 1363 if (ret) 1364 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); 1365 if (gens) 1366 GENERAL_NAMES_free(gens); 1367 if (gen) 1368 GENERAL_NAME_free(gen); 1369 return NULL; 1370 } 1371 1372 1373 static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, 1374 int rr_allorfirst, 1375 STACK_OF(OPENSSL_STRING) *rr_from) 1376 { 1377 STACK_OF(GENERAL_NAMES) *rct_to, *rct_from; 1378 CMS_ReceiptRequest *rr; 1379 rct_to = make_names_stack(rr_to); 1380 if (!rct_to) 1381 goto err; 1382 if (rr_from) 1383 { 1384 rct_from = make_names_stack(rr_from); 1385 if (!rct_from) 1386 goto err; 1387 } 1388 else 1389 rct_from = NULL; 1390 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from, 1391 rct_to); 1392 return rr; 1393 err: 1394 return NULL; 1395 } 1396 1397 #endif 1398
