1/* 2 * Copyright 2008-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10/* CMS utility function */ 11 12#include <stdio.h> 13#include <string.h> 14#include "apps.h" 15#include "progs.h" 16 17#ifndef OPENSSL_NO_CMS 18 19# include <openssl/crypto.h> 20# include <openssl/pem.h> 21# include <openssl/err.h> 22# include <openssl/x509_vfy.h> 23# include <openssl/x509v3.h> 24# include <openssl/cms.h> 25 26static int save_certs(char *signerfile, STACK_OF(X509) *signers); 27static int cms_cb(int ok, X509_STORE_CTX *ctx); 28static void receipt_request_print(CMS_ContentInfo *cms); 29static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) 30 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING) 31 *rr_from); 32static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 33 STACK_OF(OPENSSL_STRING) *param); 34 35# define SMIME_OP 0x10 36# define SMIME_IP 0x20 37# define SMIME_SIGNERS 0x40 38# define SMIME_ENCRYPT (1 | SMIME_OP) 39# define SMIME_DECRYPT (2 | SMIME_IP) 40# define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) 41# define SMIME_VERIFY (4 | SMIME_IP) 42# define SMIME_CMSOUT (5 | SMIME_IP | SMIME_OP) 43# define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) 44# define SMIME_DATAOUT (7 | SMIME_IP) 45# define SMIME_DATA_CREATE (8 | SMIME_OP) 46# define SMIME_DIGEST_VERIFY (9 | SMIME_IP) 47# define SMIME_DIGEST_CREATE (10 | SMIME_OP) 48# define SMIME_UNCOMPRESS (11 | SMIME_IP) 49# define SMIME_COMPRESS (12 | SMIME_OP) 50# define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP) 51# define SMIME_ENCRYPTED_ENCRYPT (14 | SMIME_OP) 52# define SMIME_SIGN_RECEIPT (15 | SMIME_IP | SMIME_OP) 53# define SMIME_VERIFY_RECEIPT (16 | SMIME_IP) 54 55static int verify_err = 0; 56 57typedef struct cms_key_param_st cms_key_param; 58 59struct cms_key_param_st { 60 int idx; 61 STACK_OF(OPENSSL_STRING) *param; 62 cms_key_param *next; 63}; 64 65typedef enum OPTION_choice { 66 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, 67 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT, 68 OPT_DECRYPT, OPT_SIGN, OPT_SIGN_RECEIPT, OPT_RESIGN, 69 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT, 70 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY, 71 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS, 72 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT, 73 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS, 74 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID, 75 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF, 76 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT, 77 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE, 78 OPT_CAPATH, OPT_NOCAPATH, OPT_NOCAFILE,OPT_CONTENT, OPT_PRINT, 79 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE, 80 OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP, 81 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM, 82 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP, 83 OPT_3DES_WRAP, OPT_ENGINE, 84 OPT_R_ENUM, 85 OPT_V_ENUM, 86 OPT_CIPHER 87} OPTION_CHOICE; 88 89const OPTIONS cms_options[] = { 90 {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"}, 91 {OPT_HELP_STR, 1, '-', 92 " cert.pem... recipient certs for encryption\n"}, 93 {OPT_HELP_STR, 1, '-', "Valid options are:\n"}, 94 {"help", OPT_HELP, '-', "Display this summary"}, 95 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"}, 96 {"outform", OPT_OUTFORM, 'c', 97 "Output format SMIME (default), PEM or DER"}, 98 {"in", OPT_IN, '<', "Input file"}, 99 {"out", OPT_OUT, '>', "Output file"}, 100 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"}, 101 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"}, 102 {"sign", OPT_SIGN, '-', "Sign message"}, 103 {"sign_receipt", OPT_SIGN_RECEIPT, '-', "Generate a signed receipt for the message"}, 104 {"resign", OPT_RESIGN, '-', "Resign a signed message"}, 105 {"verify", OPT_VERIFY, '-', "Verify signed message"}, 106 {"verify_retcode", OPT_VERIFY_RETCODE, '-'}, 107 {"verify_receipt", OPT_VERIFY_RECEIPT, '<'}, 108 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"}, 109 {"data_out", OPT_DATA_OUT, '-'}, 110 {"data_create", OPT_DATA_CREATE, '-'}, 111 {"digest_verify", OPT_DIGEST_VERIFY, '-'}, 112 {"digest_create", OPT_DIGEST_CREATE, '-'}, 113 {"compress", OPT_COMPRESS, '-'}, 114 {"uncompress", OPT_UNCOMPRESS, '-'}, 115 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-'}, 116 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-'}, 117 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-'}, 118 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"}, 119 {"asciicrlf", OPT_ASCIICRLF, '-'}, 120 {"nointern", OPT_NOINTERN, '-', 121 "Don't search certificates in message for signer"}, 122 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"}, 123 {"nocerts", OPT_NOCERTS, '-', 124 "Don't include signers certificate when signing"}, 125 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"}, 126 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"}, 127 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"}, 128 {"binary", OPT_BINARY, '-', "Don't translate message to text"}, 129 {"keyid", OPT_KEYID, '-', "Use subject key identifier"}, 130 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"}, 131 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-'}, 132 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-'}, 133 {"stream", OPT_INDEF, '-', "Enable CMS streaming"}, 134 {"indef", OPT_INDEF, '-', "Same as -stream"}, 135 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"}, 136 {"crlfeol", OPT_CRLFEOL, '-', "Use CRLF as EOL termination instead of CR only" }, 137 {"noout", OPT_NOOUT, '-', "For the -cmsout operation do not output the parsed CMS structure"}, 138 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" }, 139 {"receipt_request_all", OPT_RR_ALL, '-'}, 140 {"receipt_request_first", OPT_RR_FIRST, '-'}, 141 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"}, 142 {"certfile", OPT_CERTFILE, '<', "Other certificates file"}, 143 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"}, 144 {"CApath", OPT_CAPATH, '/', "trusted certificates directory"}, 145 {"no-CAfile", OPT_NOCAFILE, '-', 146 "Do not load the default certificates file"}, 147 {"no-CApath", OPT_NOCAPATH, '-', 148 "Do not load certificates from the default certificates directory"}, 149 {"content", OPT_CONTENT, '<', 150 "Supply or override content for detached signature"}, 151 {"print", OPT_PRINT, '-', 152 "For the -cmsout operation print out all fields of the CMS structure"}, 153 {"secretkey", OPT_SECRETKEY, 's'}, 154 {"secretkeyid", OPT_SECRETKEYID, 's'}, 155 {"pwri_password", OPT_PWRI_PASSWORD, 's'}, 156 {"econtent_type", OPT_ECONTENT_TYPE, 's'}, 157 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, 158 {"to", OPT_TO, 's', "To address"}, 159 {"from", OPT_FROM, 's', "From address"}, 160 {"subject", OPT_SUBJECT, 's', "Subject"}, 161 {"signer", OPT_SIGNER, 's', "Signer certificate file"}, 162 {"recip", OPT_RECIP, '<', "Recipient cert file for decryption"}, 163 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"}, 164 {"md", OPT_MD, 's', "Digest algorithm to use when signing or resigning"}, 165 {"inkey", OPT_INKEY, 's', 166 "Input private key (if not signer or recipient)"}, 167 {"keyform", OPT_KEYFORM, 'f', "Input private key format (PEM or ENGINE)"}, 168 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"}, 169 {"receipt_request_from", OPT_RR_FROM, 's'}, 170 {"receipt_request_to", OPT_RR_TO, 's'}, 171 {"", OPT_CIPHER, '-', "Any supported cipher"}, 172 OPT_R_OPTIONS, 173 OPT_V_OPTIONS, 174 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"}, 175 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"}, 176 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"}, 177# ifndef OPENSSL_NO_DES 178 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"}, 179# endif 180# ifndef OPENSSL_NO_ENGINE 181 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, 182# endif 183 {NULL} 184}; 185 186int cms_main(int argc, char **argv) 187{ 188 ASN1_OBJECT *econtent_type = NULL; 189 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL; 190 CMS_ContentInfo *cms = NULL, *rcms = NULL; 191 CMS_ReceiptRequest *rr = NULL; 192 ENGINE *e = NULL; 193 EVP_PKEY *key = NULL; 194 const EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL; 195 const EVP_MD *sign_md = NULL; 196 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL; 197 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; 198 STACK_OF(X509) *encerts = NULL, *other = NULL; 199 X509 *cert = NULL, *recip = NULL, *signer = NULL; 200 X509_STORE *store = NULL; 201 X509_VERIFY_PARAM *vpm = NULL; 202 char *certfile = NULL, *keyfile = NULL, *contfile = NULL; 203 const char *CAfile = NULL, *CApath = NULL; 204 char *certsoutfile = NULL; 205 int noCAfile = 0, noCApath = 0; 206 char *infile = NULL, *outfile = NULL, *rctfile = NULL; 207 char *passinarg = NULL, *passin = NULL, *signerfile = NULL, *recipfile = NULL; 208 char *to = NULL, *from = NULL, *subject = NULL, *prog; 209 cms_key_param *key_first = NULL, *key_param = NULL; 210 int flags = CMS_DETACHED, noout = 0, print = 0, keyidx = -1, vpmtouched = 0; 211 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; 212 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1; 213 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_PEM; 214 size_t secret_keylen = 0, secret_keyidlen = 0; 215 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL; 216 unsigned char *secret_key = NULL, *secret_keyid = NULL; 217 long ltmp; 218 const char *mime_eol = "\n"; 219 OPTION_CHOICE o; 220 221 if ((vpm = X509_VERIFY_PARAM_new()) == NULL) 222 return 1; 223 224 prog = opt_init(argc, argv, cms_options); 225 while ((o = opt_next()) != OPT_EOF) { 226 switch (o) { 227 case OPT_EOF: 228 case OPT_ERR: 229 opthelp: 230 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 231 goto end; 232 case OPT_HELP: 233 opt_help(cms_options); 234 ret = 0; 235 goto end; 236 case OPT_INFORM: 237 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat)) 238 goto opthelp; 239 break; 240 case OPT_OUTFORM: 241 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat)) 242 goto opthelp; 243 break; 244 case OPT_OUT: 245 outfile = opt_arg(); 246 break; 247 case OPT_ENCRYPT: 248 operation = SMIME_ENCRYPT; 249 break; 250 case OPT_DECRYPT: 251 operation = SMIME_DECRYPT; 252 break; 253 case OPT_SIGN: 254 operation = SMIME_SIGN; 255 break; 256 case OPT_SIGN_RECEIPT: 257 operation = SMIME_SIGN_RECEIPT; 258 break; 259 case OPT_RESIGN: 260 operation = SMIME_RESIGN; 261 break; 262 case OPT_VERIFY: 263 operation = SMIME_VERIFY; 264 break; 265 case OPT_VERIFY_RETCODE: 266 verify_retcode = 1; 267 break; 268 case OPT_VERIFY_RECEIPT: 269 operation = SMIME_VERIFY_RECEIPT; 270 rctfile = opt_arg(); 271 break; 272 case OPT_CMSOUT: 273 operation = SMIME_CMSOUT; 274 break; 275 case OPT_DATA_OUT: 276 operation = SMIME_DATAOUT; 277 break; 278 case OPT_DATA_CREATE: 279 operation = SMIME_DATA_CREATE; 280 break; 281 case OPT_DIGEST_VERIFY: 282 operation = SMIME_DIGEST_VERIFY; 283 break; 284 case OPT_DIGEST_CREATE: 285 operation = SMIME_DIGEST_CREATE; 286 break; 287 case OPT_COMPRESS: 288 operation = SMIME_COMPRESS; 289 break; 290 case OPT_UNCOMPRESS: 291 operation = SMIME_UNCOMPRESS; 292 break; 293 case OPT_ED_DECRYPT: 294 operation = SMIME_ENCRYPTED_DECRYPT; 295 break; 296 case OPT_ED_ENCRYPT: 297 operation = SMIME_ENCRYPTED_ENCRYPT; 298 break; 299 case OPT_DEBUG_DECRYPT: 300 flags |= CMS_DEBUG_DECRYPT; 301 break; 302 case OPT_TEXT: 303 flags |= CMS_TEXT; 304 break; 305 case OPT_ASCIICRLF: 306 flags |= CMS_ASCIICRLF; 307 break; 308 case OPT_NOINTERN: 309 flags |= CMS_NOINTERN; 310 break; 311 case OPT_NOVERIFY: 312 flags |= CMS_NO_SIGNER_CERT_VERIFY; 313 break; 314 case OPT_NOCERTS: 315 flags |= CMS_NOCERTS; 316 break; 317 case OPT_NOATTR: 318 flags |= CMS_NOATTR; 319 break; 320 case OPT_NODETACH: 321 flags &= ~CMS_DETACHED; 322 break; 323 case OPT_NOSMIMECAP: 324 flags |= CMS_NOSMIMECAP; 325 break; 326 case OPT_BINARY: 327 flags |= CMS_BINARY; 328 break; 329 case OPT_KEYID: 330 flags |= CMS_USE_KEYID; 331 break; 332 case OPT_NOSIGS: 333 flags |= CMS_NOSIGS; 334 break; 335 case OPT_NO_CONTENT_VERIFY: 336 flags |= CMS_NO_CONTENT_VERIFY; 337 break; 338 case OPT_NO_ATTR_VERIFY: 339 flags |= CMS_NO_ATTR_VERIFY; 340 break; 341 case OPT_INDEF: 342 flags |= CMS_STREAM; 343 break; 344 case OPT_NOINDEF: 345 flags &= ~CMS_STREAM; 346 break; 347 case OPT_CRLFEOL: 348 mime_eol = "\r\n"; 349 flags |= CMS_CRLFEOL; 350 break; 351 case OPT_NOOUT: 352 noout = 1; 353 break; 354 case OPT_RR_PRINT: 355 rr_print = 1; 356 break; 357 case OPT_RR_ALL: 358 rr_allorfirst = 0; 359 break; 360 case OPT_RR_FIRST: 361 rr_allorfirst = 1; 362 break; 363 case OPT_RCTFORM: 364 if (rctformat == FORMAT_SMIME) 365 rcms = SMIME_read_CMS(rctin, NULL); 366 else if (rctformat == FORMAT_PEM) 367 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); 368 else if (rctformat == FORMAT_ASN1) 369 if (!opt_format(opt_arg(), 370 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat)) 371 goto opthelp; 372 break; 373 case OPT_CERTFILE: 374 certfile = opt_arg(); 375 break; 376 case OPT_CAFILE: 377 CAfile = opt_arg(); 378 break; 379 case OPT_CAPATH: 380 CApath = opt_arg(); 381 break; 382 case OPT_NOCAFILE: 383 noCAfile = 1; 384 break; 385 case OPT_NOCAPATH: 386 noCApath = 1; 387 break; 388 case OPT_IN: 389 infile = opt_arg(); 390 break; 391 case OPT_CONTENT: 392 contfile = opt_arg(); 393 break; 394 case OPT_RR_FROM: 395 if (rr_from == NULL 396 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL) 397 goto end; 398 sk_OPENSSL_STRING_push(rr_from, opt_arg()); 399 break; 400 case OPT_RR_TO: 401 if (rr_to == NULL 402 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL) 403 goto end; 404 sk_OPENSSL_STRING_push(rr_to, opt_arg()); 405 break; 406 case OPT_PRINT: 407 noout = print = 1; 408 break; 409 case OPT_SECRETKEY: 410 if (secret_key != NULL) { 411 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n", 412 opt_arg()); 413 goto opthelp; 414 } 415 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp); 416 if (secret_key == NULL) { 417 BIO_printf(bio_err, "Invalid key %s\n", opt_arg()); 418 goto end; 419 } 420 secret_keylen = (size_t)ltmp; 421 break; 422 case OPT_SECRETKEYID: 423 if (secret_keyid != NULL) { 424 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n", 425 opt_arg()); 426 goto opthelp; 427 } 428 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp); 429 if (secret_keyid == NULL) { 430 BIO_printf(bio_err, "Invalid id %s\n", opt_arg()); 431 goto opthelp; 432 } 433 secret_keyidlen = (size_t)ltmp; 434 break; 435 case OPT_PWRI_PASSWORD: 436 pwri_pass = (unsigned char *)opt_arg(); 437 break; 438 case OPT_ECONTENT_TYPE: 439 if (econtent_type != NULL) { 440 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n", 441 opt_arg()); 442 goto opthelp; 443 } 444 econtent_type = OBJ_txt2obj(opt_arg(), 0); 445 if (econtent_type == NULL) { 446 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg()); 447 goto opthelp; 448 } 449 break; 450 case OPT_ENGINE: 451 e = setup_engine(opt_arg(), 0); 452 break; 453 case OPT_PASSIN: 454 passinarg = opt_arg(); 455 break; 456 case OPT_TO: 457 to = opt_arg(); 458 break; 459 case OPT_FROM: 460 from = opt_arg(); 461 break; 462 case OPT_SUBJECT: 463 subject = opt_arg(); 464 break; 465 case OPT_CERTSOUT: 466 certsoutfile = opt_arg(); 467 break; 468 case OPT_MD: 469 if (!opt_md(opt_arg(), &sign_md)) 470 goto end; 471 break; 472 case OPT_SIGNER: 473 /* If previous -signer argument add signer to list */ 474 if (signerfile != NULL) { 475 if (sksigners == NULL 476 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 477 goto end; 478 sk_OPENSSL_STRING_push(sksigners, signerfile); 479 if (keyfile == NULL) 480 keyfile = signerfile; 481 if (skkeys == NULL 482 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 483 goto end; 484 sk_OPENSSL_STRING_push(skkeys, keyfile); 485 keyfile = NULL; 486 } 487 signerfile = opt_arg(); 488 break; 489 case OPT_INKEY: 490 /* If previous -inkey argument add signer to list */ 491 if (keyfile != NULL) { 492 if (signerfile == NULL) { 493 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 494 goto end; 495 } 496 if (sksigners == NULL 497 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 498 goto end; 499 sk_OPENSSL_STRING_push(sksigners, signerfile); 500 signerfile = NULL; 501 if (skkeys == NULL 502 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 503 goto end; 504 sk_OPENSSL_STRING_push(skkeys, keyfile); 505 } 506 keyfile = opt_arg(); 507 break; 508 case OPT_KEYFORM: 509 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) 510 goto opthelp; 511 break; 512 case OPT_RECIP: 513 if (operation == SMIME_ENCRYPT) { 514 if (encerts == NULL && (encerts = sk_X509_new_null()) == NULL) 515 goto end; 516 cert = load_cert(opt_arg(), FORMAT_PEM, 517 "recipient certificate file"); 518 if (cert == NULL) 519 goto end; 520 sk_X509_push(encerts, cert); 521 cert = NULL; 522 } else { 523 recipfile = opt_arg(); 524 } 525 break; 526 case OPT_CIPHER: 527 if (!opt_cipher(opt_unknown(), &cipher)) 528 goto end; 529 break; 530 case OPT_KEYOPT: 531 keyidx = -1; 532 if (operation == SMIME_ENCRYPT) { 533 if (encerts != NULL) 534 keyidx += sk_X509_num(encerts); 535 } else { 536 if (keyfile != NULL || signerfile != NULL) 537 keyidx++; 538 if (skkeys != NULL) 539 keyidx += sk_OPENSSL_STRING_num(skkeys); 540 } 541 if (keyidx < 0) { 542 BIO_printf(bio_err, "No key specified\n"); 543 goto opthelp; 544 } 545 if (key_param == NULL || key_param->idx != keyidx) { 546 cms_key_param *nparam; 547 nparam = app_malloc(sizeof(*nparam), "key param buffer"); 548 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) { 549 OPENSSL_free(nparam); 550 goto end; 551 } 552 nparam->idx = keyidx; 553 nparam->next = NULL; 554 if (key_first == NULL) 555 key_first = nparam; 556 else 557 key_param->next = nparam; 558 key_param = nparam; 559 } 560 sk_OPENSSL_STRING_push(key_param->param, opt_arg()); 561 break; 562 case OPT_V_CASES: 563 if (!opt_verify(o, vpm)) 564 goto end; 565 vpmtouched++; 566 break; 567 case OPT_R_CASES: 568 if (!opt_rand(o)) 569 goto end; 570 break; 571 case OPT_3DES_WRAP: 572# ifndef OPENSSL_NO_DES 573 wrap_cipher = EVP_des_ede3_wrap(); 574# endif 575 break; 576 case OPT_AES128_WRAP: 577 wrap_cipher = EVP_aes_128_wrap(); 578 break; 579 case OPT_AES192_WRAP: 580 wrap_cipher = EVP_aes_192_wrap(); 581 break; 582 case OPT_AES256_WRAP: 583 wrap_cipher = EVP_aes_256_wrap(); 584 break; 585 } 586 } 587 argc = opt_num_rest(); 588 argv = opt_rest(); 589 590 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) { 591 BIO_puts(bio_err, "No Signed Receipts Recipients\n"); 592 goto opthelp; 593 } 594 595 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) { 596 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); 597 goto opthelp; 598 } 599 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) { 600 BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); 601 goto opthelp; 602 } 603 604 if (operation & SMIME_SIGNERS) { 605 if (keyfile != NULL && signerfile == NULL) { 606 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 607 goto opthelp; 608 } 609 /* Check to see if any final signer needs to be appended */ 610 if (signerfile != NULL) { 611 if (sksigners == NULL 612 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 613 goto end; 614 sk_OPENSSL_STRING_push(sksigners, signerfile); 615 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 616 goto end; 617 if (keyfile == NULL) 618 keyfile = signerfile; 619 sk_OPENSSL_STRING_push(skkeys, keyfile); 620 } 621 if (sksigners == NULL) { 622 BIO_printf(bio_err, "No signer certificate specified\n"); 623 goto opthelp; 624 } 625 signerfile = NULL; 626 keyfile = NULL; 627 } else if (operation == SMIME_DECRYPT) { 628 if (recipfile == NULL && keyfile == NULL 629 && secret_key == NULL && pwri_pass == NULL) { 630 BIO_printf(bio_err, 631 "No recipient certificate or key specified\n"); 632 goto opthelp; 633 } 634 } else if (operation == SMIME_ENCRYPT) { 635 if (*argv == NULL && secret_key == NULL 636 && pwri_pass == NULL && encerts == NULL) { 637 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); 638 goto opthelp; 639 } 640 } else if (!operation) { 641 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n"); 642 goto opthelp; 643 } 644 645 if (!app_passwd(passinarg, NULL, &passin, NULL)) { 646 BIO_printf(bio_err, "Error getting password\n"); 647 goto end; 648 } 649 650 ret = 2; 651 652 if (!(operation & SMIME_SIGNERS)) 653 flags &= ~CMS_DETACHED; 654 655 if (!(operation & SMIME_OP)) 656 if (flags & CMS_BINARY) 657 outformat = FORMAT_BINARY; 658 659 if (!(operation & SMIME_IP)) 660 if (flags & CMS_BINARY) 661 informat = FORMAT_BINARY; 662 663 if (operation == SMIME_ENCRYPT) { 664 if (!cipher) { 665# ifndef OPENSSL_NO_DES 666 cipher = EVP_des_ede3_cbc(); 667# else 668 BIO_printf(bio_err, "No cipher selected\n"); 669 goto end; 670# endif 671 } 672 673 if (secret_key && !secret_keyid) { 674 BIO_printf(bio_err, "No secret key id\n"); 675 goto end; 676 } 677 678 if (*argv && encerts == NULL) 679 if ((encerts = sk_X509_new_null()) == NULL) 680 goto end; 681 while (*argv) { 682 if ((cert = load_cert(*argv, FORMAT_PEM, 683 "recipient certificate file")) == NULL) 684 goto end; 685 sk_X509_push(encerts, cert); 686 cert = NULL; 687 argv++; 688 } 689 } 690 691 if (certfile != NULL) { 692 if (!load_certs(certfile, &other, FORMAT_PEM, NULL, 693 "certificate file")) { 694 ERR_print_errors(bio_err); 695 goto end; 696 } 697 } 698 699 if (recipfile != NULL && (operation == SMIME_DECRYPT)) { 700 if ((recip = load_cert(recipfile, FORMAT_PEM, 701 "recipient certificate file")) == NULL) { 702 ERR_print_errors(bio_err); 703 goto end; 704 } 705 } 706 707 if (operation == SMIME_SIGN_RECEIPT) { 708 if ((signer = load_cert(signerfile, FORMAT_PEM, 709 "receipt signer certificate file")) == NULL) { 710 ERR_print_errors(bio_err); 711 goto end; 712 } 713 } 714 715 if (operation == SMIME_DECRYPT) { 716 if (keyfile == NULL) 717 keyfile = recipfile; 718 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) { 719 if (keyfile == NULL) 720 keyfile = signerfile; 721 } else { 722 keyfile = NULL; 723 } 724 725 if (keyfile != NULL) { 726 key = load_key(keyfile, keyform, 0, passin, e, "signing key file"); 727 if (key == NULL) 728 goto end; 729 } 730 731 in = bio_open_default(infile, 'r', informat); 732 if (in == NULL) 733 goto end; 734 735 if (operation & SMIME_IP) { 736 if (informat == FORMAT_SMIME) { 737 cms = SMIME_read_CMS(in, &indata); 738 } else if (informat == FORMAT_PEM) { 739 cms = PEM_read_bio_CMS(in, NULL, NULL, NULL); 740 } else if (informat == FORMAT_ASN1) { 741 cms = d2i_CMS_bio(in, NULL); 742 } else { 743 BIO_printf(bio_err, "Bad input format for CMS file\n"); 744 goto end; 745 } 746 747 if (cms == NULL) { 748 BIO_printf(bio_err, "Error reading S/MIME message\n"); 749 goto end; 750 } 751 if (contfile != NULL) { 752 BIO_free(indata); 753 if ((indata = BIO_new_file(contfile, "rb")) == NULL) { 754 BIO_printf(bio_err, "Can't read content file %s\n", contfile); 755 goto end; 756 } 757 } 758 if (certsoutfile != NULL) { 759 STACK_OF(X509) *allcerts; 760 allcerts = CMS_get1_certs(cms); 761 if (!save_certs(certsoutfile, allcerts)) { 762 BIO_printf(bio_err, 763 "Error writing certs to %s\n", certsoutfile); 764 ret = 5; 765 goto end; 766 } 767 sk_X509_pop_free(allcerts, X509_free); 768 } 769 } 770 771 if (rctfile != NULL) { 772 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; 773 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) { 774 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile); 775 goto end; 776 } 777 778 if (rctformat == FORMAT_SMIME) { 779 rcms = SMIME_read_CMS(rctin, NULL); 780 } else if (rctformat == FORMAT_PEM) { 781 rcms = PEM_read_bio_CMS(rctin, NULL, NULL, NULL); 782 } else if (rctformat == FORMAT_ASN1) { 783 rcms = d2i_CMS_bio(rctin, NULL); 784 } else { 785 BIO_printf(bio_err, "Bad input format for receipt\n"); 786 goto end; 787 } 788 789 if (rcms == NULL) { 790 BIO_printf(bio_err, "Error reading receipt\n"); 791 goto end; 792 } 793 } 794 795 out = bio_open_default(outfile, 'w', outformat); 796 if (out == NULL) 797 goto end; 798 799 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) { 800 if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL) 801 goto end; 802 X509_STORE_set_verify_cb(store, cms_cb); 803 if (vpmtouched) 804 X509_STORE_set1_param(store, vpm); 805 } 806 807 ret = 3; 808 809 if (operation == SMIME_DATA_CREATE) { 810 cms = CMS_data_create(in, flags); 811 } else if (operation == SMIME_DIGEST_CREATE) { 812 cms = CMS_digest_create(in, sign_md, flags); 813 } else if (operation == SMIME_COMPRESS) { 814 cms = CMS_compress(in, -1, flags); 815 } else if (operation == SMIME_ENCRYPT) { 816 int i; 817 flags |= CMS_PARTIAL; 818 cms = CMS_encrypt(NULL, in, cipher, flags); 819 if (cms == NULL) 820 goto end; 821 for (i = 0; i < sk_X509_num(encerts); i++) { 822 CMS_RecipientInfo *ri; 823 cms_key_param *kparam; 824 int tflags = flags; 825 X509 *x = sk_X509_value(encerts, i); 826 for (kparam = key_first; kparam; kparam = kparam->next) { 827 if (kparam->idx == i) { 828 tflags |= CMS_KEY_PARAM; 829 break; 830 } 831 } 832 ri = CMS_add1_recipient_cert(cms, x, tflags); 833 if (ri == NULL) 834 goto end; 835 if (kparam != NULL) { 836 EVP_PKEY_CTX *pctx; 837 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri); 838 if (!cms_set_pkey_param(pctx, kparam->param)) 839 goto end; 840 } 841 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE 842 && wrap_cipher) { 843 EVP_CIPHER_CTX *wctx; 844 wctx = CMS_RecipientInfo_kari_get0_ctx(ri); 845 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL); 846 } 847 } 848 849 if (secret_key != NULL) { 850 if (!CMS_add0_recipient_key(cms, NID_undef, 851 secret_key, secret_keylen, 852 secret_keyid, secret_keyidlen, 853 NULL, NULL, NULL)) 854 goto end; 855 /* NULL these because call absorbs them */ 856 secret_key = NULL; 857 secret_keyid = NULL; 858 } 859 if (pwri_pass != NULL) { 860 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass); 861 if (pwri_tmp == NULL) 862 goto end; 863 if (CMS_add0_recipient_password(cms, 864 -1, NID_undef, NID_undef, 865 pwri_tmp, -1, NULL) == NULL) 866 goto end; 867 pwri_tmp = NULL; 868 } 869 if (!(flags & CMS_STREAM)) { 870 if (!CMS_final(cms, in, NULL, flags)) 871 goto end; 872 } 873 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) { 874 cms = CMS_EncryptedData_encrypt(in, cipher, 875 secret_key, secret_keylen, flags); 876 877 } else if (operation == SMIME_SIGN_RECEIPT) { 878 CMS_ContentInfo *srcms = NULL; 879 STACK_OF(CMS_SignerInfo) *sis; 880 CMS_SignerInfo *si; 881 sis = CMS_get0_SignerInfos(cms); 882 if (sis == NULL) 883 goto end; 884 si = sk_CMS_SignerInfo_value(sis, 0); 885 srcms = CMS_sign_receipt(si, signer, key, other, flags); 886 if (srcms == NULL) 887 goto end; 888 CMS_ContentInfo_free(cms); 889 cms = srcms; 890 } else if (operation & SMIME_SIGNERS) { 891 int i; 892 /* 893 * If detached data content we enable streaming if S/MIME output 894 * format. 895 */ 896 if (operation == SMIME_SIGN) { 897 898 if (flags & CMS_DETACHED) { 899 if (outformat == FORMAT_SMIME) 900 flags |= CMS_STREAM; 901 } 902 flags |= CMS_PARTIAL; 903 cms = CMS_sign(NULL, NULL, other, in, flags); 904 if (cms == NULL) 905 goto end; 906 if (econtent_type != NULL) 907 CMS_set1_eContentType(cms, econtent_type); 908 909 if (rr_to != NULL) { 910 rr = make_receipt_request(rr_to, rr_allorfirst, rr_from); 911 if (rr == NULL) { 912 BIO_puts(bio_err, 913 "Signed Receipt Request Creation Error\n"); 914 goto end; 915 } 916 } 917 } else { 918 flags |= CMS_REUSE_DIGEST; 919 } 920 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { 921 CMS_SignerInfo *si; 922 cms_key_param *kparam; 923 int tflags = flags; 924 signerfile = sk_OPENSSL_STRING_value(sksigners, i); 925 keyfile = sk_OPENSSL_STRING_value(skkeys, i); 926 927 signer = load_cert(signerfile, FORMAT_PEM, "signer certificate"); 928 if (signer == NULL) { 929 ret = 2; 930 goto end; 931 } 932 key = load_key(keyfile, keyform, 0, passin, e, "signing key file"); 933 if (key == NULL) { 934 ret = 2; 935 goto end; 936 } 937 for (kparam = key_first; kparam; kparam = kparam->next) { 938 if (kparam->idx == i) { 939 tflags |= CMS_KEY_PARAM; 940 break; 941 } 942 } 943 si = CMS_add1_signer(cms, signer, key, sign_md, tflags); 944 if (si == NULL) 945 goto end; 946 if (kparam != NULL) { 947 EVP_PKEY_CTX *pctx; 948 pctx = CMS_SignerInfo_get0_pkey_ctx(si); 949 if (!cms_set_pkey_param(pctx, kparam->param)) 950 goto end; 951 } 952 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr)) 953 goto end; 954 X509_free(signer); 955 signer = NULL; 956 EVP_PKEY_free(key); 957 key = NULL; 958 } 959 /* If not streaming or resigning finalize structure */ 960 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) { 961 if (!CMS_final(cms, in, NULL, flags)) 962 goto end; 963 } 964 } 965 966 if (cms == NULL) { 967 BIO_printf(bio_err, "Error creating CMS structure\n"); 968 goto end; 969 } 970 971 ret = 4; 972 if (operation == SMIME_DECRYPT) { 973 if (flags & CMS_DEBUG_DECRYPT) 974 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); 975 976 if (secret_key != NULL) { 977 if (!CMS_decrypt_set1_key(cms, 978 secret_key, secret_keylen, 979 secret_keyid, secret_keyidlen)) { 980 BIO_puts(bio_err, "Error decrypting CMS using secret key\n"); 981 goto end; 982 } 983 } 984 985 if (key != NULL) { 986 if (!CMS_decrypt_set1_pkey(cms, key, recip)) { 987 BIO_puts(bio_err, "Error decrypting CMS using private key\n"); 988 goto end; 989 } 990 } 991 992 if (pwri_pass != NULL) { 993 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) { 994 BIO_puts(bio_err, "Error decrypting CMS using password\n"); 995 goto end; 996 } 997 } 998 999 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) { 1000 BIO_printf(bio_err, "Error decrypting CMS structure\n"); 1001 goto end; 1002 } 1003 } else if (operation == SMIME_DATAOUT) { 1004 if (!CMS_data(cms, out, flags)) 1005 goto end; 1006 } else if (operation == SMIME_UNCOMPRESS) { 1007 if (!CMS_uncompress(cms, indata, out, flags)) 1008 goto end; 1009 } else if (operation == SMIME_DIGEST_VERIFY) { 1010 if (CMS_digest_verify(cms, indata, out, flags) > 0) { 1011 BIO_printf(bio_err, "Verification successful\n"); 1012 } else { 1013 BIO_printf(bio_err, "Verification failure\n"); 1014 goto end; 1015 } 1016 } else if (operation == SMIME_ENCRYPTED_DECRYPT) { 1017 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, 1018 indata, out, flags)) 1019 goto end; 1020 } else if (operation == SMIME_VERIFY) { 1021 if (CMS_verify(cms, other, store, indata, out, flags) > 0) { 1022 BIO_printf(bio_err, "Verification successful\n"); 1023 } else { 1024 BIO_printf(bio_err, "Verification failure\n"); 1025 if (verify_retcode) 1026 ret = verify_err + 32; 1027 goto end; 1028 } 1029 if (signerfile != NULL) { 1030 STACK_OF(X509) *signers; 1031 signers = CMS_get0_signers(cms); 1032 if (!save_certs(signerfile, signers)) { 1033 BIO_printf(bio_err, 1034 "Error writing signers to %s\n", signerfile); 1035 ret = 5; 1036 goto end; 1037 } 1038 sk_X509_free(signers); 1039 } 1040 if (rr_print) 1041 receipt_request_print(cms); 1042 1043 } else if (operation == SMIME_VERIFY_RECEIPT) { 1044 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) { 1045 BIO_printf(bio_err, "Verification successful\n"); 1046 } else { 1047 BIO_printf(bio_err, "Verification failure\n"); 1048 goto end; 1049 } 1050 } else { 1051 if (noout) { 1052 if (print) 1053 CMS_ContentInfo_print_ctx(out, cms, 0, NULL); 1054 } else if (outformat == FORMAT_SMIME) { 1055 if (to) 1056 BIO_printf(out, "To: %s%s", to, mime_eol); 1057 if (from) 1058 BIO_printf(out, "From: %s%s", from, mime_eol); 1059 if (subject) 1060 BIO_printf(out, "Subject: %s%s", subject, mime_eol); 1061 if (operation == SMIME_RESIGN) 1062 ret = SMIME_write_CMS(out, cms, indata, flags); 1063 else 1064 ret = SMIME_write_CMS(out, cms, in, flags); 1065 } else if (outformat == FORMAT_PEM) { 1066 ret = PEM_write_bio_CMS_stream(out, cms, in, flags); 1067 } else if (outformat == FORMAT_ASN1) { 1068 ret = i2d_CMS_bio_stream(out, cms, in, flags); 1069 } else { 1070 BIO_printf(bio_err, "Bad output format for CMS file\n"); 1071 goto end; 1072 } 1073 if (ret <= 0) { 1074 ret = 6; 1075 goto end; 1076 } 1077 } 1078 ret = 0; 1079 end: 1080 if (ret) 1081 ERR_print_errors(bio_err); 1082 sk_X509_pop_free(encerts, X509_free); 1083 sk_X509_pop_free(other, X509_free); 1084 X509_VERIFY_PARAM_free(vpm); 1085 sk_OPENSSL_STRING_free(sksigners); 1086 sk_OPENSSL_STRING_free(skkeys); 1087 OPENSSL_free(secret_key); 1088 OPENSSL_free(secret_keyid); 1089 OPENSSL_free(pwri_tmp); 1090 ASN1_OBJECT_free(econtent_type); 1091 CMS_ReceiptRequest_free(rr); 1092 sk_OPENSSL_STRING_free(rr_to); 1093 sk_OPENSSL_STRING_free(rr_from); 1094 for (key_param = key_first; key_param;) { 1095 cms_key_param *tparam; 1096 sk_OPENSSL_STRING_free(key_param->param); 1097 tparam = key_param->next; 1098 OPENSSL_free(key_param); 1099 key_param = tparam; 1100 } 1101 X509_STORE_free(store); 1102 X509_free(cert); 1103 X509_free(recip); 1104 X509_free(signer); 1105 EVP_PKEY_free(key); 1106 CMS_ContentInfo_free(cms); 1107 CMS_ContentInfo_free(rcms); 1108 release_engine(e); 1109 BIO_free(rctin); 1110 BIO_free(in); 1111 BIO_free(indata); 1112 BIO_free_all(out); 1113 OPENSSL_free(passin); 1114 return ret; 1115} 1116 1117static int save_certs(char *signerfile, STACK_OF(X509) *signers) 1118{ 1119 int i; 1120 BIO *tmp; 1121 if (signerfile == NULL) 1122 return 1; 1123 tmp = BIO_new_file(signerfile, "w"); 1124 if (tmp == NULL) 1125 return 0; 1126 for (i = 0; i < sk_X509_num(signers); i++) 1127 PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); 1128 BIO_free(tmp); 1129 return 1; 1130} 1131 1132/* Minimal callback just to output policy info (if any) */ 1133 1134static int cms_cb(int ok, X509_STORE_CTX *ctx) 1135{ 1136 int error; 1137 1138 error = X509_STORE_CTX_get_error(ctx); 1139 1140 verify_err = error; 1141 1142 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) 1143 && ((error != X509_V_OK) || (ok != 2))) 1144 return ok; 1145 1146 policies_print(ctx); 1147 1148 return ok; 1149 1150} 1151 1152static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns) 1153{ 1154 STACK_OF(GENERAL_NAME) *gens; 1155 GENERAL_NAME *gen; 1156 int i, j; 1157 1158 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) { 1159 gens = sk_GENERAL_NAMES_value(gns, i); 1160 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) { 1161 gen = sk_GENERAL_NAME_value(gens, j); 1162 BIO_puts(bio_err, " "); 1163 GENERAL_NAME_print(bio_err, gen); 1164 BIO_puts(bio_err, "\n"); 1165 } 1166 } 1167 return; 1168} 1169 1170static void receipt_request_print(CMS_ContentInfo *cms) 1171{ 1172 STACK_OF(CMS_SignerInfo) *sis; 1173 CMS_SignerInfo *si; 1174 CMS_ReceiptRequest *rr; 1175 int allorfirst; 1176 STACK_OF(GENERAL_NAMES) *rto, *rlist; 1177 ASN1_STRING *scid; 1178 int i, rv; 1179 sis = CMS_get0_SignerInfos(cms); 1180 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) { 1181 si = sk_CMS_SignerInfo_value(sis, i); 1182 rv = CMS_get1_ReceiptRequest(si, &rr); 1183 BIO_printf(bio_err, "Signer %d:\n", i + 1); 1184 if (rv == 0) { 1185 BIO_puts(bio_err, " No Receipt Request\n"); 1186 } else if (rv < 0) { 1187 BIO_puts(bio_err, " Receipt Request Parse Error\n"); 1188 ERR_print_errors(bio_err); 1189 } else { 1190 const char *id; 1191 int idlen; 1192 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, 1193 &rlist, &rto); 1194 BIO_puts(bio_err, " Signed Content ID:\n"); 1195 idlen = ASN1_STRING_length(scid); 1196 id = (const char *)ASN1_STRING_get0_data(scid); 1197 BIO_dump_indent(bio_err, id, idlen, 4); 1198 BIO_puts(bio_err, " Receipts From"); 1199 if (rlist != NULL) { 1200 BIO_puts(bio_err, " List:\n"); 1201 gnames_stack_print(rlist); 1202 } else if (allorfirst == 1) { 1203 BIO_puts(bio_err, ": First Tier\n"); 1204 } else if (allorfirst == 0) { 1205 BIO_puts(bio_err, ": All\n"); 1206 } else { 1207 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst); 1208 } 1209 BIO_puts(bio_err, " Receipts To:\n"); 1210 gnames_stack_print(rto); 1211 } 1212 CMS_ReceiptRequest_free(rr); 1213 } 1214} 1215 1216static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns) 1217{ 1218 int i; 1219 STACK_OF(GENERAL_NAMES) *ret; 1220 GENERAL_NAMES *gens = NULL; 1221 GENERAL_NAME *gen = NULL; 1222 ret = sk_GENERAL_NAMES_new_null(); 1223 if (ret == NULL) 1224 goto err; 1225 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) { 1226 char *str = sk_OPENSSL_STRING_value(ns, i); 1227 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); 1228 if (gen == NULL) 1229 goto err; 1230 gens = GENERAL_NAMES_new(); 1231 if (gens == NULL) 1232 goto err; 1233 if (!sk_GENERAL_NAME_push(gens, gen)) 1234 goto err; 1235 gen = NULL; 1236 if (!sk_GENERAL_NAMES_push(ret, gens)) 1237 goto err; 1238 gens = NULL; 1239 } 1240 1241 return ret; 1242 1243 err: 1244 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); 1245 GENERAL_NAMES_free(gens); 1246 GENERAL_NAME_free(gen); 1247 return NULL; 1248} 1249 1250static CMS_ReceiptRequest *make_receipt_request(STACK_OF(OPENSSL_STRING) 1251 *rr_to, int rr_allorfirst, STACK_OF(OPENSSL_STRING) 1252 *rr_from) 1253{ 1254 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL; 1255 CMS_ReceiptRequest *rr; 1256 rct_to = make_names_stack(rr_to); 1257 if (rct_to == NULL) 1258 goto err; 1259 if (rr_from != NULL) { 1260 rct_from = make_names_stack(rr_from); 1261 if (rct_from == NULL) 1262 goto err; 1263 } else { 1264 rct_from = NULL; 1265 } 1266 rr = CMS_ReceiptRequest_create0(NULL, -1, rr_allorfirst, rct_from, 1267 rct_to); 1268 return rr; 1269 err: 1270 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free); 1271 return NULL; 1272} 1273 1274static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 1275 STACK_OF(OPENSSL_STRING) *param) 1276{ 1277 char *keyopt; 1278 int i; 1279 if (sk_OPENSSL_STRING_num(param) <= 0) 1280 return 1; 1281 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) { 1282 keyopt = sk_OPENSSL_STRING_value(param, i); 1283 if (pkey_ctrl_string(pctx, keyopt) <= 0) { 1284 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt); 1285 ERR_print_errors(bio_err); 1286 return 0; 1287 } 1288 } 1289 return 1; 1290} 1291 1292#endif 1293