1 /* $OpenBSD: cms.c,v 1.16 2019/11/19 10:28:18 inoguchi Exp $ */ 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 59 #include "apps.h" 60 61 #ifndef OPENSSL_NO_CMS 62 63 #include <openssl/crypto.h> 64 #include <openssl/err.h> 65 #include <openssl/pem.h> 66 #include <openssl/x509_vfy.h> 67 #include <openssl/x509v3.h> 68 69 #include <openssl/cms.h> 70 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( 75 STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst, 76 STACK_OF(OPENSSL_STRING) *rr_from); 77 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 78 STACK_OF(OPENSSL_STRING) *param); 79 80 #define SMIME_OP 0x10 81 #define SMIME_IP 0x20 82 #define SMIME_SIGNERS 0x40 83 #define SMIME_ENCRYPT (1 | SMIME_OP) 84 #define SMIME_DECRYPT (2 | SMIME_IP) 85 #define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) 86 #define SMIME_VERIFY (4 | SMIME_IP) 87 #define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP) 88 #define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) 89 #define SMIME_DATAOUT (7 | SMIME_IP) 90 #define SMIME_DATA_CREATE (8 | SMIME_OP) 91 #define SMIME_DIGEST_VERIFY (9 | SMIME_IP) 92 #define SMIME_DIGEST_CREATE (10 | SMIME_OP) 93 #define SMIME_UNCOMPRESS (11 | SMIME_IP) 94 #define SMIME_COMPRESS (12 | SMIME_OP) 95 #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP) 96 #define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP) 97 #define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP) 98 #define SMIME_VERIFY_RECEIPT (16 | SMIME_IP) 99 100 int verify_err = 0; 101 102 struct cms_key_param { 103 int idx; 104 STACK_OF(OPENSSL_STRING) *param; 105 struct cms_key_param *next; 106 }; 107 108 int 109 cms_main(int argc, char **argv) 110 { 111 int operation = 0; 112 int ret = 0; 113 char **args; 114 const char *inmode = "r", *outmode = "w"; 115 char *infile = NULL, *outfile = NULL, *rctfile = NULL; 116 char *signerfile = NULL, *recipfile = NULL; 117 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; 118 char *certfile = NULL, *keyfile = NULL, *contfile = NULL; 119 char *certsoutfile = NULL; 120 const EVP_CIPHER *cipher = NULL; 121 CMS_ContentInfo *cms = NULL, *rcms = NULL; 122 X509_STORE *store = NULL; 123 X509 *cert = NULL, *recip = NULL, *signer = NULL; 124 EVP_PKEY *key = NULL; 125 STACK_OF(X509) *encerts = NULL, *other = NULL; 126 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL; 127 int badarg = 0; 128 int flags = CMS_DETACHED, noout = 0, print = 0; 129 int verify_retcode = 0; 130 int rr_print = 0, rr_allorfirst = -1; 131 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL; 132 CMS_ReceiptRequest *rr = NULL; 133 char *to = NULL, *from = NULL, *subject = NULL; 134 char *CAfile = NULL, *CApath = NULL; 135 char *passargin = NULL, *passin = NULL; 136 const EVP_MD *sign_md = NULL; 137 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; 138 int rctformat = FORMAT_SMIME, keyform = FORMAT_PEM; 139 unsigned char *secret_key = NULL, *secret_keyid = NULL; 140 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL; 141 size_t secret_keylen = 0, secret_keyidlen = 0; 142 143 struct cms_key_param *key_first = NULL, *key_param = NULL; 144 145 ASN1_OBJECT *econtent_type = NULL; 146 147 X509_VERIFY_PARAM *vpm = NULL; 148 149 if (single_execution) { 150 if (pledge("stdio rpath wpath cpath tty", NULL) == -1) { 151 perror("pledge"); 152 exit(1); 153 } 154 } 155 156 args = argv + 1; 157 ret = 1; 158 159 while (!badarg && *args && *args[0] == '-') { 160 if (!strcmp(*args, "-encrypt")) 161 operation = SMIME_ENCRYPT; 162 else if (!strcmp(*args, "-decrypt")) 163 operation = SMIME_DECRYPT; 164 else if (!strcmp(*args, "-sign")) 165 operation = SMIME_SIGN; 166 else if (!strcmp(*args, "-sign_receipt")) 167 operation = SMIME_SIGN_RECEIPT; 168 else if (!strcmp(*args, "-resign")) 169 operation = SMIME_RESIGN; 170 else if (!strcmp(*args, "-verify")) 171 operation = SMIME_VERIFY; 172 else if (!strcmp(*args, "-verify_retcode")) 173 verify_retcode = 1; 174 else if (!strcmp(*args, "-verify_receipt")) { 175 operation = SMIME_VERIFY_RECEIPT; 176 if (!args[1]) 177 goto argerr; 178 args++; 179 rctfile = *args; 180 } else if (!strcmp(*args, "-cmsout")) 181 operation = SMIME_CMSOUT; 182 else if (!strcmp(*args, "-data_out")) 183 operation = SMIME_DATAOUT; 184 else if (!strcmp(*args, "-data_create")) 185 operation = SMIME_DATA_CREATE; 186 else if (!strcmp(*args, "-digest_verify")) 187 operation = SMIME_DIGEST_VERIFY; 188 else if (!strcmp(*args, "-digest_create")) 189 operation = SMIME_DIGEST_CREATE; 190 else if (!strcmp(*args, "-compress")) 191 operation = SMIME_COMPRESS; 192 else if (!strcmp(*args, "-uncompress")) 193 operation = SMIME_UNCOMPRESS; 194 else if (!strcmp(*args, "-EncryptedData_decrypt")) 195 operation = SMIME_ENCRYPTED_DECRYPT; 196 else if (!strcmp(*args, "-EncryptedData_encrypt")) 197 operation = SMIME_ENCRYPTED_ENCRYPT; 198 #ifndef OPENSSL_NO_DES 199 else if (!strcmp(*args, "-des3")) 200 cipher = EVP_des_ede3_cbc(); 201 else if (!strcmp(*args, "-des")) 202 cipher = EVP_des_cbc(); 203 #endif 204 #ifndef OPENSSL_NO_RC2 205 else if (!strcmp(*args, "-rc2-40")) 206 cipher = EVP_rc2_40_cbc(); 207 else if (!strcmp(*args, "-rc2-128")) 208 cipher = EVP_rc2_cbc(); 209 else if (!strcmp(*args, "-rc2-64")) 210 cipher = EVP_rc2_64_cbc(); 211 #endif 212 #ifndef OPENSSL_NO_AES 213 else if (!strcmp(*args, "-aes128")) 214 cipher = EVP_aes_128_cbc(); 215 else if (!strcmp(*args, "-aes192")) 216 cipher = EVP_aes_192_cbc(); 217 else if (!strcmp(*args, "-aes256")) 218 cipher = EVP_aes_256_cbc(); 219 #endif 220 #ifndef OPENSSL_NO_CAMELLIA 221 else if (!strcmp(*args, "-camellia128")) 222 cipher = EVP_camellia_128_cbc(); 223 else if (!strcmp(*args, "-camellia192")) 224 cipher = EVP_camellia_192_cbc(); 225 else if (!strcmp(*args, "-camellia256")) 226 cipher = EVP_camellia_256_cbc(); 227 #endif 228 else if (!strcmp(*args, "-debug_decrypt")) 229 flags |= CMS_DEBUG_DECRYPT; 230 else if (!strcmp(*args, "-text")) 231 flags |= CMS_TEXT; 232 else if (!strcmp(*args, "-nointern")) 233 flags |= CMS_NOINTERN; 234 else if (!strcmp(*args, "-noverify") || 235 !strcmp(*args, "-no_signer_cert_verify")) 236 flags |= CMS_NO_SIGNER_CERT_VERIFY; 237 else if (!strcmp(*args, "-nocerts")) 238 flags |= CMS_NOCERTS; 239 else if (!strcmp(*args, "-noattr")) 240 flags |= CMS_NOATTR; 241 else if (!strcmp(*args, "-nodetach")) 242 flags &= ~CMS_DETACHED; 243 else if (!strcmp(*args, "-nosmimecap")) 244 flags |= CMS_NOSMIMECAP; 245 else if (!strcmp(*args, "-binary")) 246 flags |= CMS_BINARY; 247 else if (!strcmp(*args, "-keyid")) 248 flags |= CMS_USE_KEYID; 249 else if (!strcmp(*args, "-nosigs")) 250 flags |= CMS_NOSIGS; 251 else if (!strcmp(*args, "-no_content_verify")) 252 flags |= CMS_NO_CONTENT_VERIFY; 253 else if (!strcmp(*args, "-no_attr_verify")) 254 flags |= CMS_NO_ATTR_VERIFY; 255 else if (!strcmp(*args, "-stream")) 256 flags |= CMS_STREAM; 257 else if (!strcmp(*args, "-indef")) 258 flags |= CMS_STREAM; 259 else if (!strcmp(*args, "-noindef")) 260 flags &= ~CMS_STREAM; 261 else if (!strcmp(*args, "-nooldmime")) 262 flags |= CMS_NOOLDMIMETYPE; 263 else if (!strcmp(*args, "-crlfeol")) 264 flags |= CMS_CRLFEOL; 265 else if (!strcmp(*args, "-noout")) 266 noout = 1; 267 else if (!strcmp(*args, "-receipt_request_print")) 268 rr_print = 1; 269 else if (!strcmp(*args, "-receipt_request_all")) 270 rr_allorfirst = 0; 271 else if (!strcmp(*args, "-receipt_request_first")) 272 rr_allorfirst = 1; 273 else if (!strcmp(*args, "-receipt_request_from")) { 274 if (!args[1]) 275 goto argerr; 276 args++; 277 if (rr_from == NULL && 278 (rr_from = sk_OPENSSL_STRING_new_null()) == NULL) 279 goto end; 280 if (!sk_OPENSSL_STRING_push(rr_from, *args)) 281 goto end; 282 } else if (!strcmp(*args, "-receipt_request_to")) { 283 if (!args[1]) 284 goto argerr; 285 args++; 286 if (rr_to == NULL && 287 (rr_to = sk_OPENSSL_STRING_new_null()) == NULL) 288 goto end; 289 if (!sk_OPENSSL_STRING_push(rr_to, *args)) 290 goto end; 291 } else if (!strcmp(*args, "-print")) { 292 noout = 1; 293 print = 1; 294 } else if (!strcmp(*args, "-secretkey")) { 295 long ltmp; 296 if (!args[1]) 297 goto argerr; 298 args++; 299 secret_key = string_to_hex(*args, <mp); 300 if (!secret_key) { 301 BIO_printf(bio_err, "Invalid key %s\n", *args); 302 goto argerr; 303 } 304 secret_keylen = (size_t) ltmp; 305 } else if (!strcmp(*args, "-secretkeyid")) { 306 long ltmp; 307 if (!args[1]) 308 goto argerr; 309 args++; 310 secret_keyid = string_to_hex(*args, <mp); 311 if (!secret_keyid) { 312 BIO_printf(bio_err, "Invalid id %s\n", *args); 313 goto argerr; 314 } 315 secret_keyidlen = (size_t) ltmp; 316 } else if (!strcmp(*args, "-pwri_password")) { 317 if (!args[1]) 318 goto argerr; 319 args++; 320 pwri_pass = (unsigned char *) *args; 321 } else if (!strcmp(*args, "-econtent_type")) { 322 if (!args[1]) 323 goto argerr; 324 args++; 325 econtent_type = OBJ_txt2obj(*args, 0); 326 if (!econtent_type) { 327 BIO_printf(bio_err, "Invalid OID %s\n", *args); 328 goto argerr; 329 } 330 } 331 else if (!strcmp(*args, "-passin")) { 332 if (!args[1]) 333 goto argerr; 334 passargin = *++args; 335 } else if (!strcmp(*args, "-to")) { 336 if (!args[1]) 337 goto argerr; 338 to = *++args; 339 } else if (!strcmp(*args, "-from")) { 340 if (!args[1]) 341 goto argerr; 342 from = *++args; 343 } else if (!strcmp(*args, "-subject")) { 344 if (!args[1]) 345 goto argerr; 346 subject = *++args; 347 } else if (!strcmp(*args, "-signer")) { 348 if (!args[1]) 349 goto argerr; 350 /* If previous -signer argument add signer to list */ 351 352 if (signerfile) { 353 if (sksigners == NULL && 354 (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 355 goto end; 356 if (!sk_OPENSSL_STRING_push(sksigners, signerfile)) 357 goto end; 358 if (!keyfile) 359 keyfile = signerfile; 360 if (skkeys == NULL && 361 (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 362 goto end; 363 if (!sk_OPENSSL_STRING_push(skkeys, keyfile)) 364 goto end; 365 keyfile = NULL; 366 } 367 signerfile = *++args; 368 } else if (!strcmp(*args, "-recip")) { 369 if (!args[1]) 370 goto argerr; 371 if (operation == SMIME_ENCRYPT) { 372 if (encerts == NULL && 373 (encerts = sk_X509_new_null()) == NULL) 374 goto end; 375 cert = load_cert(bio_err, *++args, FORMAT_PEM, 376 NULL, "recipient certificate file"); 377 if (cert == NULL) 378 goto end; 379 if (!sk_X509_push(encerts, cert)) 380 goto end; 381 cert = NULL; 382 } else { 383 recipfile = *++args; 384 } 385 } else if (!strcmp(*args, "-certsout")) { 386 if (!args[1]) 387 goto argerr; 388 certsoutfile = *++args; 389 } else if (!strcmp(*args, "-md")) { 390 if (!args[1]) 391 goto argerr; 392 sign_md = EVP_get_digestbyname(*++args); 393 if (sign_md == NULL) { 394 BIO_printf(bio_err, "Unknown digest %s\n", 395 *args); 396 goto argerr; 397 } 398 } else if (!strcmp(*args, "-inkey")) { 399 if (!args[1]) 400 goto argerr; 401 /* If previous -inkey arument add signer to list */ 402 if (keyfile) { 403 if (!signerfile) { 404 BIO_puts(bio_err, 405 "Illegal -inkey without -signer\n"); 406 goto argerr; 407 } 408 if (sksigners == NULL && 409 (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 410 goto end; 411 if (!sk_OPENSSL_STRING_push(sksigners, signerfile)) 412 goto end; 413 signerfile = NULL; 414 if (skkeys == NULL && 415 (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 416 goto end; 417 if (!sk_OPENSSL_STRING_push(skkeys, keyfile)) 418 goto end; 419 } 420 keyfile = *++args; 421 } else if (!strcmp(*args, "-keyform")) { 422 if (!args[1]) 423 goto argerr; 424 keyform = str2fmt(*++args); 425 } else if (!strcmp (*args, "-keyopt")) { 426 int keyidx = -1; 427 if (!args[1]) 428 goto argerr; 429 if (operation == SMIME_ENCRYPT) { 430 if (encerts != NULL) 431 keyidx += sk_X509_num(encerts); 432 } else { 433 if (keyfile != NULL || signerfile != NULL) 434 keyidx++; 435 if (skkeys != NULL) 436 keyidx += sk_OPENSSL_STRING_num(skkeys); 437 } 438 if (keyidx < 0) { 439 BIO_printf(bio_err, "No key specified\n"); 440 goto argerr; 441 } 442 if (key_param == NULL || key_param->idx != keyidx) { 443 struct cms_key_param *nparam; 444 if ((nparam = malloc(sizeof(struct cms_key_param))) == NULL) 445 goto end; 446 nparam->idx = keyidx; 447 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) 448 goto end; 449 nparam->next = NULL; 450 if (key_first == NULL) 451 key_first = nparam; 452 else 453 key_param->next = nparam; 454 key_param = nparam; 455 } 456 if (!sk_OPENSSL_STRING_push(key_param->param, *++args)) 457 goto end; 458 } else if (!strcmp(*args, "-rctform")) { 459 if (!args[1]) 460 goto argerr; 461 rctformat = str2fmt(*++args); 462 } else if (!strcmp(*args, "-certfile")) { 463 if (!args[1]) 464 goto argerr; 465 certfile = *++args; 466 } else if (!strcmp(*args, "-CAfile")) { 467 if (!args[1]) 468 goto argerr; 469 CAfile = *++args; 470 } else if (!strcmp(*args, "-CApath")) { 471 if (!args[1]) 472 goto argerr; 473 CApath = *++args; 474 } else if (!strcmp(*args, "-in")) { 475 if (!args[1]) 476 goto argerr; 477 infile = *++args; 478 } else if (!strcmp(*args, "-inform")) { 479 if (!args[1]) 480 goto argerr; 481 informat = str2fmt(*++args); 482 } else if (!strcmp(*args, "-outform")) { 483 if (!args[1]) 484 goto argerr; 485 outformat = str2fmt(*++args); 486 } else if (!strcmp(*args, "-out")) { 487 if (!args[1]) 488 goto argerr; 489 outfile = *++args; 490 } else if (!strcmp(*args, "-content")) { 491 if (!args[1]) 492 goto argerr; 493 contfile = *++args; 494 } else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) 495 continue; 496 else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) 497 badarg = 1; 498 args++; 499 } 500 501 if (((rr_allorfirst != -1) || rr_from) && !rr_to) { 502 BIO_puts(bio_err, "No Signed Receipts Recipients\n"); 503 goto argerr; 504 } 505 if (!(operation & SMIME_SIGNERS) && (rr_to || rr_from)) { 506 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); 507 goto argerr; 508 } 509 if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) { 510 BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); 511 goto argerr; 512 } 513 if (operation & SMIME_SIGNERS) { 514 if (keyfile && !signerfile) { 515 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 516 goto argerr; 517 } 518 /* Check to see if any final signer needs to be appended */ 519 if (signerfile) { 520 if (sksigners == NULL && 521 (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 522 goto end; 523 if (!sk_OPENSSL_STRING_push(sksigners, signerfile)) 524 goto end; 525 if (skkeys == NULL && 526 (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 527 goto end; 528 if (!keyfile) 529 keyfile = signerfile; 530 if (!sk_OPENSSL_STRING_push(skkeys, keyfile)) 531 goto end; 532 } 533 if (!sksigners) { 534 BIO_printf(bio_err, 535 "No signer certificate specified\n"); 536 badarg = 1; 537 } 538 signerfile = NULL; 539 keyfile = NULL; 540 } else if (operation == SMIME_DECRYPT) { 541 if (!recipfile && !keyfile && !secret_key && !pwri_pass) { 542 BIO_printf(bio_err, 543 "No recipient certificate or key specified\n"); 544 badarg = 1; 545 } 546 } else if (operation == SMIME_ENCRYPT) { 547 if (!*args && !secret_key && !pwri_pass && !encerts) { 548 BIO_printf(bio_err, 549 "No recipient(s) certificate(s) specified\n"); 550 badarg = 1; 551 } 552 } else if (!operation) 553 badarg = 1; 554 555 if (badarg) { 556 argerr: 557 BIO_printf(bio_err, "Usage cms [options] cert.pem ...\n"); 558 BIO_printf(bio_err, "where options are\n"); 559 BIO_printf(bio_err, "-encrypt encrypt message\n"); 560 BIO_printf(bio_err, "-decrypt decrypt encrypted message\n"); 561 BIO_printf(bio_err, "-sign sign message\n"); 562 BIO_printf(bio_err, "-verify verify signed message\n"); 563 BIO_printf(bio_err, "-cmsout output CMS structure\n"); 564 #ifndef OPENSSL_NO_DES 565 BIO_printf(bio_err, "-des3 encrypt with triple DES\n"); 566 BIO_printf(bio_err, "-des encrypt with DES\n"); 567 #endif 568 #ifndef OPENSSL_NO_RC2 569 BIO_printf(bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); 570 BIO_printf(bio_err, "-rc2-64 encrypt with RC2-64\n"); 571 BIO_printf(bio_err, "-rc2-128 encrypt with RC2-128\n"); 572 #endif 573 #ifndef OPENSSL_NO_AES 574 BIO_printf(bio_err, "-aes128, -aes192, -aes256\n"); 575 BIO_printf(bio_err, " encrypt PEM output with cbc aes\n"); 576 #endif 577 #ifndef OPENSSL_NO_CAMELLIA 578 BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n"); 579 BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n"); 580 #endif 581 BIO_printf(bio_err, "-nointern don't search certificates in message for signer\n"); 582 BIO_printf(bio_err, "-nosigs don't verify message signature\n"); 583 BIO_printf(bio_err, "-noverify don't verify signers certificate\n"); 584 BIO_printf(bio_err, "-nocerts don't include signers certificate when signing\n"); 585 BIO_printf(bio_err, "-nodetach use opaque signing\n"); 586 BIO_printf(bio_err, "-noattr don't include any signed attributes\n"); 587 BIO_printf(bio_err, "-binary don't translate message to text\n"); 588 BIO_printf(bio_err, "-certfile file other certificates file\n"); 589 BIO_printf(bio_err, "-certsout file certificate output file\n"); 590 BIO_printf(bio_err, "-signer file signer certificate file\n"); 591 BIO_printf(bio_err, "-recip file recipient certificate file for decryption\n"); 592 BIO_printf(bio_err, "-keyid use subject key identifier\n"); 593 BIO_printf(bio_err, "-in file input file\n"); 594 BIO_printf(bio_err, "-inform arg input format SMIME (default), PEM or DER\n"); 595 BIO_printf(bio_err, "-inkey file input private key (if not signer or recipient)\n"); 596 BIO_printf(bio_err, "-keyform arg input private key format (PEM)\n"); 597 BIO_printf(bio_err, "-keyopt nm:v set public key parameters\n"); 598 BIO_printf(bio_err, "-out file output file\n"); 599 BIO_printf(bio_err, "-outform arg output format SMIME (default), PEM or DER\n"); 600 BIO_printf(bio_err, "-content file supply or override content for detached signature\n"); 601 BIO_printf(bio_err, "-to addr to address\n"); 602 BIO_printf(bio_err, "-from ad from address\n"); 603 BIO_printf(bio_err, "-subject s subject\n"); 604 BIO_printf(bio_err, "-text include or delete text MIME headers\n"); 605 BIO_printf(bio_err, "-CApath dir trusted certificates directory\n"); 606 BIO_printf(bio_err, "-CAfile file trusted certificates file\n"); 607 BIO_printf(bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); 608 BIO_printf(bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); 609 BIO_printf(bio_err, "-passin arg input file pass phrase source\n"); 610 BIO_printf(bio_err, "cert.pem recipient certificate(s) for encryption\n"); 611 goto end; 612 } 613 614 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { 615 BIO_printf(bio_err, "Error getting password\n"); 616 goto end; 617 } 618 ret = 2; 619 620 if (!(operation & SMIME_SIGNERS)) 621 flags &= ~CMS_DETACHED; 622 623 if (operation & SMIME_OP) { 624 if (outformat == FORMAT_ASN1) 625 outmode = "wb"; 626 } else { 627 if (flags & CMS_BINARY) 628 outmode = "wb"; 629 } 630 631 if (operation & SMIME_IP) { 632 if (informat == FORMAT_ASN1) 633 inmode = "rb"; 634 } else { 635 if (flags & CMS_BINARY) 636 inmode = "rb"; 637 } 638 639 if (operation == SMIME_ENCRYPT) { 640 if (!cipher) { 641 #ifndef OPENSSL_NO_DES 642 cipher = EVP_des_ede3_cbc(); 643 #else 644 BIO_printf(bio_err, "No cipher selected\n"); 645 goto end; 646 #endif 647 } 648 if (secret_key && !secret_keyid) { 649 BIO_printf(bio_err, "No secret key id\n"); 650 goto end; 651 } 652 if (*args && encerts == NULL) 653 if ((encerts = sk_X509_new_null()) == NULL) 654 goto end; 655 while (*args) { 656 if (!(cert = load_cert(bio_err, *args, FORMAT_PEM, 657 NULL, "recipient certificate file"))) 658 goto end; 659 if (!sk_X509_push(encerts, cert)) 660 goto end; 661 cert = NULL; 662 args++; 663 } 664 } 665 if (certfile) { 666 if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL, 667 "certificate file"))) { 668 ERR_print_errors(bio_err); 669 goto end; 670 } 671 } 672 if (recipfile && (operation == SMIME_DECRYPT)) { 673 if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL, 674 "recipient certificate file"))) { 675 ERR_print_errors(bio_err); 676 goto end; 677 } 678 } 679 if (operation == SMIME_SIGN_RECEIPT) { 680 if (!(signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL, 681 "receipt signer certificate file"))) { 682 ERR_print_errors(bio_err); 683 goto end; 684 } 685 } 686 if (operation == SMIME_DECRYPT) { 687 if (!keyfile) 688 keyfile = recipfile; 689 } else if ((operation == SMIME_SIGN) || 690 (operation == SMIME_SIGN_RECEIPT)) { 691 if (!keyfile) 692 keyfile = signerfile; 693 } else 694 keyfile = NULL; 695 696 if (keyfile) { 697 key = load_key(bio_err, keyfile, keyform, 0, passin, 698 "signing key file"); 699 if (!key) 700 goto end; 701 } 702 if (infile) { 703 if (!(in = BIO_new_file(infile, inmode))) { 704 BIO_printf(bio_err, 705 "Can't open input file %s\n", infile); 706 goto end; 707 } 708 } else 709 in = BIO_new_fp(stdin, BIO_NOCLOSE); 710 711 if (operation & SMIME_IP) { 712 if (informat == FORMAT_SMIME) 713 cms = SMIME_read_CMS(in, &indata); 714 else if (informat == FORMAT_PEM) 715 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL); 716 else if (informat == FORMAT_ASN1) 717 cms = d2i_CMS_bio(in, NULL); 718 else { 719 BIO_printf(bio_err, "Bad input format for CMS file\n"); 720 goto end; 721 } 722 723 if (!cms) { 724 BIO_printf(bio_err, "Error reading S/MIME message\n"); 725 goto end; 726 } 727 if (contfile) { 728 BIO_free(indata); 729 if (!(indata = BIO_new_file(contfile, "rb"))) { 730 BIO_printf(bio_err, 731 "Can't read content file %s\n", contfile); 732 goto end; 733 } 734 } 735 if (certsoutfile) { 736 STACK_OF(X509) *allcerts; 737 allcerts = CMS_get1_certs(cms); 738 if (!save_certs(certsoutfile, allcerts)) { 739 BIO_printf(bio_err, 740 "Error writing certs to %s\n", 741 certsoutfile); 742 ret = 5; 743 goto end; 744 } 745 sk_X509_pop_free(allcerts, X509_free); 746 } 747 } 748 if (rctfile) { 749 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; 750 if (!(rctin = BIO_new_file(rctfile, rctmode))) { 751 BIO_printf(bio_err, 752 "Can't open receipt file %s\n", rctfile); 753 goto end; 754 } 755 if (rctformat == FORMAT_SMIME) 756 rcms = SMIME_read_CMS(rctin, NULL); 757 else if (rctformat == FORMAT_PEM) 758 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); 759 else if (rctformat == FORMAT_ASN1) 760 rcms = d2i_CMS_bio(rctin, NULL); 761 else { 762 BIO_printf(bio_err, "Bad input format for receipt\n"); 763 goto end; 764 } 765 766 if (!rcms) { 767 BIO_printf(bio_err, "Error reading receipt\n"); 768 goto end; 769 } 770 } 771 if (outfile) { 772 if (!(out = BIO_new_file(outfile, outmode))) { 773 BIO_printf(bio_err, 774 "Can't open output file %s\n", outfile); 775 goto end; 776 } 777 } else { 778 out = BIO_new_fp(stdout, BIO_NOCLOSE); 779 } 780 781 if ((operation == SMIME_VERIFY) || 782 (operation == SMIME_VERIFY_RECEIPT)) { 783 if (!(store = setup_verify(bio_err, CAfile, CApath))) 784 goto end; 785 X509_STORE_set_verify_cb(store, cms_cb); 786 if (vpm) 787 X509_STORE_set1_param(store, vpm); 788 } 789 ret = 3; 790 791 if (operation == SMIME_DATA_CREATE) { 792 cms = CMS_data_create(in, flags); 793 } else if (operation == SMIME_DIGEST_CREATE) { 794 cms = CMS_digest_create(in, sign_md, flags); 795 } else if (operation == SMIME_COMPRESS) { 796 cms = CMS_compress(in, -1, flags); 797 } else if (operation == SMIME_ENCRYPT) { 798 int i; 799 flags |= CMS_PARTIAL; 800 cms = CMS_encrypt(NULL, in, cipher, flags); 801 if (cms == NULL) 802 goto end; 803 for (i = 0; i < sk_X509_num(encerts); i++) { 804 CMS_RecipientInfo *ri; 805 struct cms_key_param *kparam; 806 int tflags = flags; 807 X509 *x = sk_X509_value(encerts, i); 808 for (kparam = key_first; kparam; kparam = kparam->next) { 809 if (kparam->idx == i) { 810 tflags |= CMS_KEY_PARAM; 811 break; 812 } 813 } 814 ri = CMS_add1_recipient_cert(cms, x, tflags); 815 if (ri == NULL) 816 goto end; 817 if (kparam != NULL) { 818 EVP_PKEY_CTX *pctx; 819 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri); 820 if (!cms_set_pkey_param(pctx, kparam->param)) 821 goto end; 822 } 823 } 824 825 if (secret_key) { 826 if (!CMS_add0_recipient_key(cms, NID_undef, secret_key, 827 secret_keylen, secret_keyid, secret_keyidlen, 828 NULL, NULL, NULL)) 829 goto end; 830 /* NULL these because call absorbs them */ 831 secret_key = NULL; 832 secret_keyid = NULL; 833 } 834 if (pwri_pass) { 835 pwri_tmp = strdup(pwri_pass); 836 if (!pwri_tmp) 837 goto end; 838 if (!CMS_add0_recipient_password(cms, -1, NID_undef, 839 NID_undef, pwri_tmp, -1, NULL)) 840 goto end; 841 pwri_tmp = NULL; 842 } 843 if (!(flags & CMS_STREAM)) { 844 if (!CMS_final(cms, in, NULL, flags)) 845 goto end; 846 } 847 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) { 848 cms = CMS_EncryptedData_encrypt(in, cipher, secret_key, 849 secret_keylen, flags); 850 851 } else if (operation == SMIME_SIGN_RECEIPT) { 852 CMS_ContentInfo *srcms = NULL; 853 STACK_OF(CMS_SignerInfo) *sis; 854 CMS_SignerInfo *si; 855 sis = CMS_get0_SignerInfos(cms); 856 if (!sis) 857 goto end; 858 si = sk_CMS_SignerInfo_value(sis, 0); 859 srcms = CMS_sign_receipt(si, signer, key, other, flags); 860 if (!srcms) 861 goto end; 862 CMS_ContentInfo_free(cms); 863 cms = srcms; 864 } else if (operation & SMIME_SIGNERS) { 865 int i; 866 /* 867 * If detached data content we enable streaming if S/MIME 868 * output format. 869 */ 870 if (operation == SMIME_SIGN) { 871 872 if (flags & CMS_DETACHED) { 873 if (outformat == FORMAT_SMIME) 874 flags |= CMS_STREAM; 875 } 876 flags |= CMS_PARTIAL; 877 cms = CMS_sign(NULL, NULL, other, in, flags); 878 if (!cms) 879 goto end; 880 if (econtent_type) 881 CMS_set1_eContentType(cms, econtent_type); 882 883 if (rr_to) { 884 rr = make_receipt_request(rr_to, rr_allorfirst, 885 rr_from); 886 if (!rr) { 887 BIO_puts(bio_err, 888 "Signed Receipt Request Creation Error\n"); 889 goto end; 890 } 891 } 892 } else 893 flags |= CMS_REUSE_DIGEST; 894 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { 895 CMS_SignerInfo *si; 896 struct cms_key_param *kparam; 897 int tflags = flags; 898 signerfile = sk_OPENSSL_STRING_value(sksigners, i); 899 keyfile = sk_OPENSSL_STRING_value(skkeys, i); 900 901 signer = load_cert(bio_err, signerfile, FORMAT_PEM, 902 NULL, "signer certificate"); 903 if (!signer) 904 goto end; 905 key = load_key(bio_err, keyfile, keyform, 0, passin, 906 "signing key file"); 907 if (!key) 908 goto end; 909 for (kparam = key_first; kparam; kparam = kparam->next) { 910 if (kparam->idx == i) { 911 tflags |= CMS_KEY_PARAM; 912 break; 913 } 914 } 915 si = CMS_add1_signer(cms, signer, key, sign_md, tflags); 916 if (si == NULL) 917 goto end; 918 if (kparam != NULL) { 919 EVP_PKEY_CTX *pctx; 920 pctx = CMS_SignerInfo_get0_pkey_ctx(si); 921 if (!cms_set_pkey_param(pctx, kparam->param)) 922 goto end; 923 } 924 if (rr && !CMS_add1_ReceiptRequest(si, rr)) 925 goto end; 926 X509_free(signer); 927 signer = NULL; 928 EVP_PKEY_free(key); 929 key = NULL; 930 } 931 /* If not streaming or resigning finalize structure */ 932 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) { 933 if (!CMS_final(cms, in, NULL, flags)) 934 goto end; 935 } 936 } 937 if (!cms) { 938 BIO_printf(bio_err, "Error creating CMS structure\n"); 939 goto end; 940 } 941 ret = 4; 942 if (operation == SMIME_DECRYPT) { 943 if (flags & CMS_DEBUG_DECRYPT) 944 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); 945 946 if (secret_key) { 947 if (!CMS_decrypt_set1_key(cms, secret_key, 948 secret_keylen, secret_keyid, secret_keyidlen)) { 949 BIO_puts(bio_err, 950 "Error decrypting CMS using secret key\n"); 951 goto end; 952 } 953 } 954 if (key) { 955 if (!CMS_decrypt_set1_pkey(cms, key, recip)) { 956 BIO_puts(bio_err, 957 "Error decrypting CMS using private key\n"); 958 goto end; 959 } 960 } 961 if (pwri_pass) { 962 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) { 963 BIO_puts(bio_err, 964 "Error decrypting CMS using password\n"); 965 goto end; 966 } 967 } 968 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) { 969 BIO_printf(bio_err, "Error decrypting CMS structure\n"); 970 goto end; 971 } 972 } else if (operation == SMIME_DATAOUT) { 973 if (!CMS_data(cms, out, flags)) 974 goto end; 975 } else if (operation == SMIME_UNCOMPRESS) { 976 if (!CMS_uncompress(cms, indata, out, flags)) 977 goto end; 978 } else if (operation == SMIME_DIGEST_VERIFY) { 979 if (CMS_digest_verify(cms, indata, out, flags) > 0) 980 BIO_printf(bio_err, "Verification successful\n"); 981 else { 982 BIO_printf(bio_err, "Verification failure\n"); 983 goto end; 984 } 985 } else if (operation == SMIME_ENCRYPTED_DECRYPT) { 986 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, 987 indata, out, flags)) 988 goto end; 989 } else if (operation == SMIME_VERIFY) { 990 if (CMS_verify(cms, other, store, indata, out, flags) > 0) 991 BIO_printf(bio_err, "Verification successful\n"); 992 else { 993 BIO_printf(bio_err, "Verification failure\n"); 994 if (verify_retcode) 995 ret = verify_err + 32; 996 goto end; 997 } 998 if (signerfile) { 999 STACK_OF(X509) *signers; 1000 signers = CMS_get0_signers(cms); 1001 if (!save_certs(signerfile, signers)) { 1002 BIO_printf(bio_err, 1003 "Error writing signers to %s\n", 1004 signerfile); 1005 ret = 5; 1006 goto end; 1007 } 1008 sk_X509_free(signers); 1009 } 1010 if (rr_print) 1011 receipt_request_print(bio_err, cms); 1012 1013 } else if (operation == SMIME_VERIFY_RECEIPT) { 1014 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) 1015 BIO_printf(bio_err, "Verification successful\n"); 1016 else { 1017 BIO_printf(bio_err, "Verification failure\n"); 1018 goto end; 1019 } 1020 } else { 1021 if (noout) { 1022 if (print) 1023 CMS_ContentInfo_print_ctx(out, cms, 0, NULL); 1024 } else if (outformat == FORMAT_SMIME) { 1025 if (to) 1026 BIO_printf(out, "To: %s\n", to); 1027 if (from) 1028 BIO_printf(out, "From: %s\n", from); 1029 if (subject) 1030 BIO_printf(out, "Subject: %s\n", subject); 1031 if (operation == SMIME_RESIGN) 1032 ret = SMIME_write_CMS(out, cms, indata, flags); 1033 else 1034 ret = SMIME_write_CMS(out, cms, in, flags); 1035 } else if (outformat == FORMAT_PEM) 1036 ret = PEM_write_bio_CMS_stream(out, cms, in, flags); 1037 else if (outformat == FORMAT_ASN1) 1038 ret = i2d_CMS_bio_stream(out, cms, in, flags); 1039 else { 1040 BIO_printf(bio_err, "Bad output format for CMS file\n"); 1041 goto end; 1042 } 1043 if (ret <= 0) { 1044 ret = 6; 1045 goto end; 1046 } 1047 } 1048 ret = 0; 1049 1050 end: 1051 if (ret) 1052 ERR_print_errors(bio_err); 1053 1054 sk_X509_pop_free(encerts, X509_free); 1055 sk_X509_pop_free(other, X509_free); 1056 X509_VERIFY_PARAM_free(vpm); 1057 sk_OPENSSL_STRING_free(sksigners); 1058 sk_OPENSSL_STRING_free(skkeys); 1059 free(secret_key); 1060 free(secret_keyid); 1061 free(pwri_tmp); 1062 ASN1_OBJECT_free(econtent_type); 1063 CMS_ReceiptRequest_free(rr); 1064 sk_OPENSSL_STRING_free(rr_to); 1065 sk_OPENSSL_STRING_free(rr_from); 1066 for (key_param = key_first; key_param;) { 1067 struct cms_key_param *tparam; 1068 sk_OPENSSL_STRING_free(key_param->param); 1069 tparam = key_param->next; 1070 free(key_param); 1071 key_param = tparam; 1072 } 1073 X509_STORE_free(store); 1074 X509_free(cert); 1075 X509_free(recip); 1076 X509_free(signer); 1077 EVP_PKEY_free(key); 1078 CMS_ContentInfo_free(cms); 1079 CMS_ContentInfo_free(rcms); 1080 BIO_free(rctin); 1081 BIO_free(in); 1082 BIO_free(indata); 1083 BIO_free_all(out); 1084 free(passin); 1085 1086 return (ret); 1087 } 1088 1089 static int 1090 save_certs(char *signerfile, STACK_OF(X509) *signers) 1091 { 1092 int i; 1093 BIO *tmp; 1094 1095 if (!signerfile) 1096 return 1; 1097 tmp = BIO_new_file(signerfile, "w"); 1098 if (!tmp) 1099 return 0; 1100 for (i = 0; i < sk_X509_num(signers); i++) 1101 PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); 1102 BIO_free(tmp); 1103 return 1; 1104 } 1105 1106 /* Minimal callback just to output policy info (if any) */ 1107 1108 static int 1109 cms_cb(int ok, X509_STORE_CTX *ctx) 1110 { 1111 int error; 1112 1113 error = X509_STORE_CTX_get_error(ctx); 1114 1115 verify_err = error; 1116 1117 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) && 1118 ((error != X509_V_OK) || (ok != 2))) 1119 return ok; 1120 1121 policies_print(NULL, ctx); 1122 1123 return ok; 1124 } 1125 1126 static void 1127 gnames_stack_print(BIO *out, STACK_OF(GENERAL_NAMES) *gns) 1128 { 1129 STACK_OF(GENERAL_NAME) *gens; 1130 GENERAL_NAME *gen; 1131 int i, j; 1132 1133 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) { 1134 gens = sk_GENERAL_NAMES_value(gns, i); 1135 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) { 1136 gen = sk_GENERAL_NAME_value(gens, j); 1137 BIO_puts(out, " "); 1138 GENERAL_NAME_print(out, gen); 1139 BIO_puts(out, "\n"); 1140 } 1141 } 1142 return; 1143 } 1144 1145 static void 1146 receipt_request_print(BIO *out, CMS_ContentInfo *cms) 1147 { 1148 STACK_OF(CMS_SignerInfo) *sis; 1149 CMS_SignerInfo *si; 1150 CMS_ReceiptRequest *rr; 1151 int allorfirst; 1152 STACK_OF(GENERAL_NAMES) *rto, *rlist; 1153 ASN1_STRING *scid; 1154 int i, rv; 1155 1156 sis = CMS_get0_SignerInfos(cms); 1157 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) { 1158 si = sk_CMS_SignerInfo_value(sis, i); 1159 rv = CMS_get1_ReceiptRequest(si, &rr); 1160 BIO_printf(bio_err, "Signer %d:\n", i + 1); 1161 if (rv == 0) 1162 BIO_puts(bio_err, " No Receipt Request\n"); 1163 else if (rv < 0) { 1164 BIO_puts(bio_err, " Receipt Request Parse Error\n"); 1165 ERR_print_errors(bio_err); 1166 } else { 1167 char *id; 1168 int idlen; 1169 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, 1170 &rlist, &rto); 1171 BIO_puts(out, " Signed Content ID:\n"); 1172 idlen = ASN1_STRING_length(scid); 1173 id = (char *) ASN1_STRING_data(scid); 1174 BIO_dump_indent(out, id, idlen, 4); 1175 BIO_puts(out, " Receipts From"); 1176 if (rlist) { 1177 BIO_puts(out, " List:\n"); 1178 gnames_stack_print(out, rlist); 1179 } else if (allorfirst == 1) 1180 BIO_puts(out, ": First Tier\n"); 1181 else if (allorfirst == 0) 1182 BIO_puts(out, ": All\n"); 1183 else 1184 BIO_printf(out, " Unknown (%d)\n", allorfirst); 1185 BIO_puts(out, " Receipts To:\n"); 1186 gnames_stack_print(out, rto); 1187 } 1188 if (rr) 1189 CMS_ReceiptRequest_free(rr); 1190 } 1191 } 1192 1193 static STACK_OF(GENERAL_NAMES) * 1194 make_names_stack(STACK_OF(OPENSSL_STRING) *ns) 1195 { 1196 int i; 1197 STACK_OF(GENERAL_NAMES) *ret; 1198 GENERAL_NAMES *gens = NULL; 1199 GENERAL_NAME *gen = NULL; 1200 if ((ret = sk_GENERAL_NAMES_new_null()) == NULL) 1201 goto err; 1202 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) { 1203 char *str = sk_OPENSSL_STRING_value(ns, i); 1204 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); 1205 if (!gen) 1206 goto err; 1207 gens = GENERAL_NAMES_new(); 1208 if (!gens) 1209 goto err; 1210 if (!sk_GENERAL_NAME_push(gens, gen)) 1211 goto err; 1212 gen = NULL; 1213 if (!sk_GENERAL_NAMES_push(ret, gens)) 1214 goto err; 1215 gens = NULL; 1216 } 1217 1218 return ret; 1219 1220 err: 1221 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); 1222 GENERAL_NAMES_free(gens); 1223 GENERAL_NAME_free(gen); 1224 1225 return NULL; 1226 } 1227 1228 1229 static CMS_ReceiptRequest * 1230 make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst, 1231 STACK_OF(OPENSSL_STRING) *rr_from) 1232 { 1233 STACK_OF(GENERAL_NAMES) *rct_to, *rct_from; 1234 CMS_ReceiptRequest *rr; 1235 1236 rct_to = make_names_stack(rr_to); 1237 if (!rct_to) 1238 goto err; 1239 if (rr_from) { 1240 rct_from = make_names_stack(rr_from); 1241 if (!rct_from) 1242 goto err; 1243 } else 1244 rct_from = NULL; 1245 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from, 1246 rct_to); 1247 return rr; 1248 1249 err: 1250 return NULL; 1251 } 1252 1253 static int 1254 cms_set_pkey_param(EVP_PKEY_CTX *pctx, STACK_OF(OPENSSL_STRING) *param) 1255 { 1256 char *keyopt; 1257 int i; 1258 1259 if (sk_OPENSSL_STRING_num(param) <= 0) 1260 return 1; 1261 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) { 1262 keyopt = sk_OPENSSL_STRING_value(param, i); 1263 if (pkey_ctrl_string(pctx, keyopt) <= 0) { 1264 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt); 1265 ERR_print_errors(bio_err); 1266 return 0; 1267 } 1268 } 1269 return 1; 1270 } 1271 1272 #endif 1273