1 /* 2 * Copyright 2008-2023 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 #include <openssl/crypto.h> 18 #include <openssl/pem.h> 19 #include <openssl/err.h> 20 #include <openssl/x509_vfy.h> 21 #include <openssl/x509v3.h> 22 #include <openssl/cms.h> 23 24 static int save_certs(char *signerfile, STACK_OF(X509) *signers); 25 static int cms_cb(int ok, X509_STORE_CTX *ctx); 26 static void receipt_request_print(CMS_ContentInfo *cms); 27 static CMS_ReceiptRequest 28 *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst, 29 STACK_OF(OPENSSL_STRING) *rr_from); 30 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 31 STACK_OF(OPENSSL_STRING) *param); 32 33 #define SMIME_OP 0x100 34 #define SMIME_IP 0x200 35 #define SMIME_SIGNERS 0x400 36 #define SMIME_ENCRYPT (1 | SMIME_OP) 37 #define SMIME_DECRYPT (2 | SMIME_IP) 38 #define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) 39 #define SMIME_VERIFY (4 | SMIME_IP) 40 #define SMIME_RESIGN (5 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) 41 #define SMIME_SIGN_RECEIPT (6 | SMIME_IP | SMIME_OP) 42 #define SMIME_VERIFY_RECEIPT (7 | SMIME_IP) 43 #define SMIME_DIGEST_CREATE (8 | SMIME_OP) 44 #define SMIME_DIGEST_VERIFY (9 | SMIME_IP) 45 #define SMIME_COMPRESS (10 | SMIME_OP) 46 #define SMIME_UNCOMPRESS (11 | SMIME_IP) 47 #define SMIME_ENCRYPTED_ENCRYPT (12 | SMIME_OP) 48 #define SMIME_ENCRYPTED_DECRYPT (13 | SMIME_IP) 49 #define SMIME_DATA_CREATE (14 | SMIME_OP) 50 #define SMIME_DATA_OUT (15 | SMIME_IP) 51 #define SMIME_CMSOUT (16 | SMIME_IP | SMIME_OP) 52 53 static int verify_err = 0; 54 55 typedef struct cms_key_param_st cms_key_param; 56 57 struct cms_key_param_st { 58 int idx; 59 STACK_OF(OPENSSL_STRING) *param; 60 cms_key_param *next; 61 }; 62 63 typedef enum OPTION_choice { 64 OPT_COMMON, 65 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENCRYPT, 66 OPT_DECRYPT, OPT_SIGN, OPT_CADES, OPT_SIGN_RECEIPT, OPT_RESIGN, 67 OPT_VERIFY, OPT_VERIFY_RETCODE, OPT_VERIFY_RECEIPT, 68 OPT_CMSOUT, OPT_DATA_OUT, OPT_DATA_CREATE, OPT_DIGEST_VERIFY, 69 OPT_DIGEST_CREATE, OPT_COMPRESS, OPT_UNCOMPRESS, 70 OPT_ED_DECRYPT, OPT_ED_ENCRYPT, OPT_DEBUG_DECRYPT, OPT_TEXT, 71 OPT_ASCIICRLF, OPT_NOINTERN, OPT_NOVERIFY, OPT_NOCERTS, 72 OPT_NOATTR, OPT_NODETACH, OPT_NOSMIMECAP, OPT_BINARY, OPT_KEYID, 73 OPT_NOSIGS, OPT_NO_CONTENT_VERIFY, OPT_NO_ATTR_VERIFY, OPT_INDEF, 74 OPT_NOINDEF, OPT_CRLFEOL, OPT_NOOUT, OPT_RR_PRINT, 75 OPT_RR_ALL, OPT_RR_FIRST, OPT_RCTFORM, OPT_CERTFILE, OPT_CAFILE, 76 OPT_CAPATH, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, 77 OPT_CONTENT, OPT_PRINT, OPT_NAMEOPT, 78 OPT_SECRETKEY, OPT_SECRETKEYID, OPT_PWRI_PASSWORD, OPT_ECONTENT_TYPE, 79 OPT_PASSIN, OPT_TO, OPT_FROM, OPT_SUBJECT, OPT_SIGNER, OPT_RECIP, 80 OPT_CERTSOUT, OPT_MD, OPT_INKEY, OPT_KEYFORM, OPT_KEYOPT, OPT_RR_FROM, 81 OPT_RR_TO, OPT_AES128_WRAP, OPT_AES192_WRAP, OPT_AES256_WRAP, 82 OPT_3DES_WRAP, OPT_WRAP, OPT_ENGINE, 83 OPT_R_ENUM, 84 OPT_PROV_ENUM, OPT_CONFIG, 85 OPT_V_ENUM, 86 OPT_CIPHER, 87 OPT_ORIGINATOR 88 } OPTION_CHOICE; 89 90 const OPTIONS cms_options[] = { 91 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [cert...]\n"}, 92 {"help", OPT_HELP, '-', "Display this summary"}, 93 94 OPT_SECTION("General"), 95 {"in", OPT_IN, '<', "Input file"}, 96 {"out", OPT_OUT, '>', "Output file"}, 97 OPT_CONFIG_OPTION, 98 99 OPT_SECTION("Operation"), 100 {"encrypt", OPT_ENCRYPT, '-', "Encrypt message"}, 101 {"decrypt", OPT_DECRYPT, '-', "Decrypt encrypted message"}, 102 {"sign", OPT_SIGN, '-', "Sign message"}, 103 {"verify", OPT_VERIFY, '-', "Verify signed message"}, 104 {"resign", OPT_RESIGN, '-', "Resign a signed message"}, 105 {"sign_receipt", OPT_SIGN_RECEIPT, '-', 106 "Generate a signed receipt for a message"}, 107 {"verify_receipt", OPT_VERIFY_RECEIPT, '<', 108 "Verify receipts; exit if receipt signatures do not verify"}, 109 {"digest_create", OPT_DIGEST_CREATE, '-', 110 "Create a CMS \"DigestedData\" object"}, 111 {"digest_verify", OPT_DIGEST_VERIFY, '-', 112 "Verify a CMS \"DigestedData\" object and output it"}, 113 {"compress", OPT_COMPRESS, '-', "Create a CMS \"CompressedData\" object"}, 114 {"uncompress", OPT_UNCOMPRESS, '-', 115 "Uncompress a CMS \"CompressedData\" object"}, 116 {"EncryptedData_encrypt", OPT_ED_ENCRYPT, '-', 117 "Create CMS \"EncryptedData\" object using symmetric key"}, 118 {"EncryptedData_decrypt", OPT_ED_DECRYPT, '-', 119 "Decrypt CMS \"EncryptedData\" object using symmetric key"}, 120 {"data_create", OPT_DATA_CREATE, '-', "Create a CMS \"Data\" object"}, 121 {"data_out", OPT_DATA_OUT, '-', "Copy CMS \"Data\" object to output"}, 122 {"cmsout", OPT_CMSOUT, '-', "Output CMS structure"}, 123 124 OPT_SECTION("File format"), 125 {"inform", OPT_INFORM, 'c', "Input format SMIME (default), PEM or DER"}, 126 {"outform", OPT_OUTFORM, 'c', 127 "Output format SMIME (default), PEM or DER"}, 128 {"rctform", OPT_RCTFORM, 'F', "Receipt file format"}, 129 {"stream", OPT_INDEF, '-', "Enable CMS streaming"}, 130 {"indef", OPT_INDEF, '-', "Same as -stream"}, 131 {"noindef", OPT_NOINDEF, '-', "Disable CMS streaming"}, 132 {"binary", OPT_BINARY, '-', 133 "Treat input as binary: do not translate to canonical form"}, 134 {"crlfeol", OPT_CRLFEOL, '-', 135 "Use CRLF as EOL termination instead of CR only" }, 136 {"asciicrlf", OPT_ASCIICRLF, '-', 137 "Perform CRLF canonicalisation when signing"}, 138 139 OPT_SECTION("Keys and passwords"), 140 {"pwri_password", OPT_PWRI_PASSWORD, 's', 141 "Specific password for recipient"}, 142 {"secretkey", OPT_SECRETKEY, 's', 143 "Use specified hex-encoded key to decrypt/encrypt recipients or content"}, 144 {"secretkeyid", OPT_SECRETKEYID, 's', 145 "Identity of the -secretkey for CMS \"KEKRecipientInfo\" object"}, 146 {"inkey", OPT_INKEY, 's', 147 "Input private key (if not signer or recipient)"}, 148 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, 149 {"keyopt", OPT_KEYOPT, 's', "Set public key parameters as n:v pairs"}, 150 {"keyform", OPT_KEYFORM, 'f', 151 "Input private key format (ENGINE, other values ignored)"}, 152 #ifndef OPENSSL_NO_ENGINE 153 {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, 154 #endif 155 OPT_PROV_OPTIONS, 156 OPT_R_OPTIONS, 157 158 OPT_SECTION("Encryption and decryption"), 159 {"originator", OPT_ORIGINATOR, 's', "Originator certificate file"}, 160 {"recip", OPT_RECIP, '<', "Recipient cert file"}, 161 {"cert...", OPT_PARAM, '.', 162 "Recipient certs (optional; used only when encrypting)"}, 163 {"", OPT_CIPHER, '-', 164 "The encryption algorithm to use (any supported cipher)"}, 165 {"wrap", OPT_WRAP, 's', 166 "Key wrap algorithm to use when encrypting with key agreement"}, 167 {"aes128-wrap", OPT_AES128_WRAP, '-', "Use AES128 to wrap key"}, 168 {"aes192-wrap", OPT_AES192_WRAP, '-', "Use AES192 to wrap key"}, 169 {"aes256-wrap", OPT_AES256_WRAP, '-', "Use AES256 to wrap key"}, 170 {"des3-wrap", OPT_3DES_WRAP, '-', "Use 3DES-EDE to wrap key"}, 171 {"debug_decrypt", OPT_DEBUG_DECRYPT, '-', 172 "Disable MMA protection, return error if no recipient found (see doc)"}, 173 174 OPT_SECTION("Signing"), 175 {"md", OPT_MD, 's', "Digest algorithm to use"}, 176 {"signer", OPT_SIGNER, 's', "Signer certificate input file"}, 177 {"certfile", OPT_CERTFILE, '<', "Other certificates file"}, 178 {"cades", OPT_CADES, '-', 179 "Include signingCertificate attribute (CAdES-BES)"}, 180 {"nodetach", OPT_NODETACH, '-', "Use opaque signing"}, 181 {"nocerts", OPT_NOCERTS, '-', 182 "Don't include signer's certificate when signing"}, 183 {"noattr", OPT_NOATTR, '-', "Don't include any signed attributes"}, 184 {"nosmimecap", OPT_NOSMIMECAP, '-', "Omit the SMIMECapabilities attribute"}, 185 {"receipt_request_all", OPT_RR_ALL, '-', 186 "When signing, create a receipt request for all recipients"}, 187 {"receipt_request_first", OPT_RR_FIRST, '-', 188 "When signing, create a receipt request for first recipient"}, 189 {"receipt_request_from", OPT_RR_FROM, 's', 190 "Create signed receipt request with specified email address"}, 191 {"receipt_request_to", OPT_RR_TO, 's', 192 "Create signed receipt targeted to specified address"}, 193 194 OPT_SECTION("Verification"), 195 {"signer", OPT_DUP, 's', "Signer certificate(s) output file"}, 196 {"content", OPT_CONTENT, '<', 197 "Supply or override content for detached signature"}, 198 {"no_content_verify", OPT_NO_CONTENT_VERIFY, '-', 199 "Do not verify signed content signatures"}, 200 {"no_attr_verify", OPT_NO_ATTR_VERIFY, '-', 201 "Do not verify signed attribute signatures"}, 202 {"nosigs", OPT_NOSIGS, '-', "Don't verify message signature"}, 203 {"noverify", OPT_NOVERIFY, '-', "Don't verify signers certificate"}, 204 {"nointern", OPT_NOINTERN, '-', 205 "Don't search certificates in message for signer"}, 206 {"cades", OPT_DUP, '-', "Check signingCertificate (CAdES-BES)"}, 207 {"verify_retcode", OPT_VERIFY_RETCODE, '-', 208 "Exit non-zero on verification failure"}, 209 {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"}, 210 {"CApath", OPT_CAPATH, '/', "Trusted certificates directory"}, 211 {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"}, 212 {"no-CAfile", OPT_NOCAFILE, '-', 213 "Do not load the default certificates file"}, 214 {"no-CApath", OPT_NOCAPATH, '-', 215 "Do not load certificates from the default certificates directory"}, 216 {"no-CAstore", OPT_NOCASTORE, '-', 217 "Do not load certificates from the default certificates store"}, 218 219 OPT_SECTION("Output"), 220 {"keyid", OPT_KEYID, '-', "Use subject key identifier"}, 221 {"econtent_type", OPT_ECONTENT_TYPE, 's', "OID for external content"}, 222 {"text", OPT_TEXT, '-', "Include or delete text MIME headers"}, 223 {"certsout", OPT_CERTSOUT, '>', "Certificate output file"}, 224 {"to", OPT_TO, 's', "To address"}, 225 {"from", OPT_FROM, 's', "From address"}, 226 {"subject", OPT_SUBJECT, 's', "Subject"}, 227 228 OPT_SECTION("Printing"), 229 {"noout", OPT_NOOUT, '-', 230 "For the -cmsout operation do not output the parsed CMS structure"}, 231 {"print", OPT_PRINT, '-', 232 "For the -cmsout operation print out all fields of the CMS structure"}, 233 {"nameopt", OPT_NAMEOPT, 's', 234 "For the -print option specifies various strings printing options"}, 235 {"receipt_request_print", OPT_RR_PRINT, '-', "Print CMS Receipt Request" }, 236 237 OPT_V_OPTIONS, 238 {NULL} 239 }; 240 241 static CMS_ContentInfo *load_content_info(int informat, BIO *in, int flags, 242 BIO **indata, const char *name) 243 { 244 CMS_ContentInfo *ret, *ci; 245 246 ret = CMS_ContentInfo_new_ex(app_get0_libctx(), app_get0_propq()); 247 if (ret == NULL) { 248 BIO_printf(bio_err, "Error allocating CMS_contentinfo\n"); 249 return NULL; 250 } 251 switch (informat) { 252 case FORMAT_SMIME: 253 ci = SMIME_read_CMS_ex(in, flags, indata, &ret); 254 break; 255 case FORMAT_PEM: 256 ci = PEM_read_bio_CMS(in, &ret, NULL, NULL); 257 break; 258 case FORMAT_ASN1: 259 ci = d2i_CMS_bio(in, &ret); 260 break; 261 default: 262 BIO_printf(bio_err, "Bad input format for %s\n", name); 263 goto err; 264 } 265 if (ci == NULL) { 266 BIO_printf(bio_err, "Error reading %s Content Info\n", name); 267 goto err; 268 } 269 return ret; 270 err: 271 CMS_ContentInfo_free(ret); 272 return NULL; 273 } 274 275 int cms_main(int argc, char **argv) 276 { 277 CONF *conf = NULL; 278 ASN1_OBJECT *econtent_type = NULL; 279 BIO *in = NULL, *out = NULL, *indata = NULL, *rctin = NULL; 280 CMS_ContentInfo *cms = NULL, *rcms = NULL; 281 CMS_ReceiptRequest *rr = NULL; 282 ENGINE *e = NULL; 283 EVP_PKEY *key = NULL; 284 EVP_CIPHER *cipher = NULL, *wrap_cipher = NULL; 285 EVP_MD *sign_md = NULL; 286 STACK_OF(OPENSSL_STRING) *rr_to = NULL, *rr_from = NULL; 287 STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL; 288 STACK_OF(X509) *encerts = sk_X509_new_null(), *other = NULL; 289 X509 *cert = NULL, *recip = NULL, *signer = NULL, *originator = NULL; 290 X509_STORE *store = NULL; 291 X509_VERIFY_PARAM *vpm = X509_VERIFY_PARAM_new(); 292 char *certfile = NULL, *keyfile = NULL, *contfile = NULL; 293 const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL; 294 char *certsoutfile = NULL, *digestname = NULL, *wrapname = NULL; 295 int noCAfile = 0, noCApath = 0, noCAstore = 0; 296 char *infile = NULL, *outfile = NULL, *rctfile = NULL; 297 char *passinarg = NULL, *passin = NULL, *signerfile = NULL; 298 char *originatorfile = NULL, *recipfile = NULL, *ciphername = NULL; 299 char *to = NULL, *from = NULL, *subject = NULL, *prog; 300 cms_key_param *key_first = NULL, *key_param = NULL; 301 int flags = CMS_DETACHED, binary_files = 0; 302 int noout = 0, print = 0, keyidx = -1, vpmtouched = 0; 303 int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; 304 int operation = 0, ret = 1, rr_print = 0, rr_allorfirst = -1; 305 int verify_retcode = 0, rctformat = FORMAT_SMIME, keyform = FORMAT_UNDEF; 306 size_t secret_keylen = 0, secret_keyidlen = 0; 307 unsigned char *pwri_pass = NULL, *pwri_tmp = NULL; 308 unsigned char *secret_key = NULL, *secret_keyid = NULL; 309 long ltmp; 310 const char *mime_eol = "\n"; 311 OPTION_CHOICE o; 312 OSSL_LIB_CTX *libctx = app_get0_libctx(); 313 314 if (encerts == NULL || vpm == NULL) 315 goto end; 316 317 prog = opt_init(argc, argv, cms_options); 318 while ((o = opt_next()) != OPT_EOF) { 319 switch (o) { 320 case OPT_EOF: 321 case OPT_ERR: 322 opthelp: 323 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 324 goto end; 325 case OPT_HELP: 326 opt_help(cms_options); 327 ret = 0; 328 goto end; 329 case OPT_INFORM: 330 if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat)) 331 goto opthelp; 332 break; 333 case OPT_OUTFORM: 334 if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat)) 335 goto opthelp; 336 break; 337 case OPT_OUT: 338 outfile = opt_arg(); 339 break; 340 341 case OPT_ENCRYPT: 342 operation = SMIME_ENCRYPT; 343 break; 344 case OPT_DECRYPT: 345 operation = SMIME_DECRYPT; 346 break; 347 case OPT_SIGN: 348 operation = SMIME_SIGN; 349 break; 350 case OPT_VERIFY: 351 operation = SMIME_VERIFY; 352 break; 353 case OPT_RESIGN: 354 operation = SMIME_RESIGN; 355 break; 356 case OPT_SIGN_RECEIPT: 357 operation = SMIME_SIGN_RECEIPT; 358 break; 359 case OPT_VERIFY_RECEIPT: 360 operation = SMIME_VERIFY_RECEIPT; 361 rctfile = opt_arg(); 362 break; 363 case OPT_VERIFY_RETCODE: 364 verify_retcode = 1; 365 break; 366 case OPT_DIGEST_CREATE: 367 operation = SMIME_DIGEST_CREATE; 368 break; 369 case OPT_DIGEST_VERIFY: 370 operation = SMIME_DIGEST_VERIFY; 371 break; 372 case OPT_COMPRESS: 373 operation = SMIME_COMPRESS; 374 break; 375 case OPT_UNCOMPRESS: 376 operation = SMIME_UNCOMPRESS; 377 break; 378 case OPT_ED_ENCRYPT: 379 operation = SMIME_ENCRYPTED_ENCRYPT; 380 break; 381 case OPT_ED_DECRYPT: 382 operation = SMIME_ENCRYPTED_DECRYPT; 383 break; 384 case OPT_DATA_CREATE: 385 operation = SMIME_DATA_CREATE; 386 break; 387 case OPT_DATA_OUT: 388 operation = SMIME_DATA_OUT; 389 break; 390 case OPT_CMSOUT: 391 operation = SMIME_CMSOUT; 392 break; 393 394 case OPT_DEBUG_DECRYPT: 395 flags |= CMS_DEBUG_DECRYPT; 396 break; 397 case OPT_TEXT: 398 flags |= CMS_TEXT; 399 break; 400 case OPT_ASCIICRLF: 401 flags |= CMS_ASCIICRLF; 402 break; 403 case OPT_NOINTERN: 404 flags |= CMS_NOINTERN; 405 break; 406 case OPT_NOVERIFY: 407 flags |= CMS_NO_SIGNER_CERT_VERIFY; 408 break; 409 case OPT_NOCERTS: 410 flags |= CMS_NOCERTS; 411 break; 412 case OPT_NOATTR: 413 flags |= CMS_NOATTR; 414 break; 415 case OPT_NODETACH: 416 flags &= ~CMS_DETACHED; 417 break; 418 case OPT_NOSMIMECAP: 419 flags |= CMS_NOSMIMECAP; 420 break; 421 case OPT_BINARY: 422 flags |= CMS_BINARY; 423 break; 424 case OPT_CADES: 425 flags |= CMS_CADES; 426 break; 427 case OPT_KEYID: 428 flags |= CMS_USE_KEYID; 429 break; 430 case OPT_NOSIGS: 431 flags |= CMS_NOSIGS; 432 break; 433 case OPT_NO_CONTENT_VERIFY: 434 flags |= CMS_NO_CONTENT_VERIFY; 435 break; 436 case OPT_NO_ATTR_VERIFY: 437 flags |= CMS_NO_ATTR_VERIFY; 438 break; 439 case OPT_INDEF: 440 flags |= CMS_STREAM; 441 break; 442 case OPT_NOINDEF: 443 flags &= ~CMS_STREAM; 444 break; 445 case OPT_CRLFEOL: 446 mime_eol = "\r\n"; 447 flags |= CMS_CRLFEOL; 448 break; 449 case OPT_NOOUT: 450 noout = 1; 451 break; 452 case OPT_RR_PRINT: 453 rr_print = 1; 454 break; 455 case OPT_RR_ALL: 456 rr_allorfirst = 0; 457 break; 458 case OPT_RR_FIRST: 459 rr_allorfirst = 1; 460 break; 461 case OPT_RCTFORM: 462 if (!opt_format(opt_arg(), 463 OPT_FMT_PEMDER | OPT_FMT_SMIME, &rctformat)) 464 goto opthelp; 465 break; 466 case OPT_CERTFILE: 467 certfile = opt_arg(); 468 break; 469 case OPT_CAFILE: 470 CAfile = opt_arg(); 471 break; 472 case OPT_CAPATH: 473 CApath = opt_arg(); 474 break; 475 case OPT_CASTORE: 476 CAstore = opt_arg(); 477 break; 478 case OPT_NOCAFILE: 479 noCAfile = 1; 480 break; 481 case OPT_NOCAPATH: 482 noCApath = 1; 483 break; 484 case OPT_NOCASTORE: 485 noCAstore = 1; 486 break; 487 case OPT_IN: 488 infile = opt_arg(); 489 break; 490 case OPT_CONTENT: 491 contfile = opt_arg(); 492 break; 493 case OPT_RR_FROM: 494 if (rr_from == NULL 495 && (rr_from = sk_OPENSSL_STRING_new_null()) == NULL) 496 goto end; 497 sk_OPENSSL_STRING_push(rr_from, opt_arg()); 498 break; 499 case OPT_RR_TO: 500 if (rr_to == NULL 501 && (rr_to = sk_OPENSSL_STRING_new_null()) == NULL) 502 goto end; 503 sk_OPENSSL_STRING_push(rr_to, opt_arg()); 504 break; 505 case OPT_PRINT: 506 noout = print = 1; 507 break; 508 case OPT_NAMEOPT: 509 if (!set_nameopt(opt_arg())) 510 goto opthelp; 511 break; 512 case OPT_SECRETKEY: 513 if (secret_key != NULL) { 514 BIO_printf(bio_err, "Invalid key (supplied twice) %s\n", 515 opt_arg()); 516 goto opthelp; 517 } 518 secret_key = OPENSSL_hexstr2buf(opt_arg(), <mp); 519 if (secret_key == NULL) { 520 BIO_printf(bio_err, "Invalid key %s\n", opt_arg()); 521 goto end; 522 } 523 secret_keylen = (size_t)ltmp; 524 break; 525 case OPT_SECRETKEYID: 526 if (secret_keyid != NULL) { 527 BIO_printf(bio_err, "Invalid id (supplied twice) %s\n", 528 opt_arg()); 529 goto opthelp; 530 } 531 secret_keyid = OPENSSL_hexstr2buf(opt_arg(), <mp); 532 if (secret_keyid == NULL) { 533 BIO_printf(bio_err, "Invalid id %s\n", opt_arg()); 534 goto opthelp; 535 } 536 secret_keyidlen = (size_t)ltmp; 537 break; 538 case OPT_PWRI_PASSWORD: 539 pwri_pass = (unsigned char *)opt_arg(); 540 break; 541 case OPT_ECONTENT_TYPE: 542 if (econtent_type != NULL) { 543 BIO_printf(bio_err, "Invalid OID (supplied twice) %s\n", 544 opt_arg()); 545 goto opthelp; 546 } 547 econtent_type = OBJ_txt2obj(opt_arg(), 0); 548 if (econtent_type == NULL) { 549 BIO_printf(bio_err, "Invalid OID %s\n", opt_arg()); 550 goto opthelp; 551 } 552 break; 553 case OPT_ENGINE: 554 e = setup_engine(opt_arg(), 0); 555 break; 556 case OPT_PASSIN: 557 passinarg = opt_arg(); 558 break; 559 case OPT_TO: 560 to = opt_arg(); 561 break; 562 case OPT_FROM: 563 from = opt_arg(); 564 break; 565 case OPT_SUBJECT: 566 subject = opt_arg(); 567 break; 568 case OPT_CERTSOUT: 569 certsoutfile = opt_arg(); 570 break; 571 case OPT_MD: 572 digestname = opt_arg(); 573 break; 574 case OPT_SIGNER: 575 /* If previous -signer argument add signer to list */ 576 if (signerfile != NULL) { 577 if (sksigners == NULL 578 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 579 goto end; 580 sk_OPENSSL_STRING_push(sksigners, signerfile); 581 if (keyfile == NULL) 582 keyfile = signerfile; 583 if (skkeys == NULL 584 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 585 goto end; 586 sk_OPENSSL_STRING_push(skkeys, keyfile); 587 keyfile = NULL; 588 } 589 signerfile = opt_arg(); 590 break; 591 case OPT_ORIGINATOR: 592 originatorfile = opt_arg(); 593 break; 594 case OPT_INKEY: 595 /* If previous -inkey argument add signer to list */ 596 if (keyfile != NULL) { 597 if (signerfile == NULL) { 598 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 599 goto end; 600 } 601 if (sksigners == NULL 602 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 603 goto end; 604 sk_OPENSSL_STRING_push(sksigners, signerfile); 605 signerfile = NULL; 606 if (skkeys == NULL 607 && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 608 goto end; 609 sk_OPENSSL_STRING_push(skkeys, keyfile); 610 } 611 keyfile = opt_arg(); 612 break; 613 case OPT_KEYFORM: 614 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) 615 goto opthelp; 616 break; 617 case OPT_RECIP: 618 if (operation == SMIME_ENCRYPT) { 619 cert = load_cert(opt_arg(), FORMAT_UNDEF, 620 "recipient certificate file"); 621 if (cert == NULL) 622 goto end; 623 sk_X509_push(encerts, cert); 624 cert = NULL; 625 } else { 626 recipfile = opt_arg(); 627 } 628 break; 629 case OPT_CIPHER: 630 ciphername = opt_unknown(); 631 break; 632 case OPT_KEYOPT: 633 keyidx = -1; 634 if (operation == SMIME_ENCRYPT) { 635 if (sk_X509_num(encerts) > 0) 636 keyidx += sk_X509_num(encerts); 637 } else { 638 if (keyfile != NULL || signerfile != NULL) 639 keyidx++; 640 if (skkeys != NULL) 641 keyidx += sk_OPENSSL_STRING_num(skkeys); 642 } 643 if (keyidx < 0) { 644 BIO_printf(bio_err, "No key specified\n"); 645 goto opthelp; 646 } 647 if (key_param == NULL || key_param->idx != keyidx) { 648 cms_key_param *nparam; 649 nparam = app_malloc(sizeof(*nparam), "key param buffer"); 650 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) { 651 OPENSSL_free(nparam); 652 goto end; 653 } 654 nparam->idx = keyidx; 655 nparam->next = NULL; 656 if (key_first == NULL) 657 key_first = nparam; 658 else 659 key_param->next = nparam; 660 key_param = nparam; 661 } 662 sk_OPENSSL_STRING_push(key_param->param, opt_arg()); 663 break; 664 case OPT_V_CASES: 665 if (!opt_verify(o, vpm)) 666 goto end; 667 vpmtouched++; 668 break; 669 case OPT_R_CASES: 670 if (!opt_rand(o)) 671 goto end; 672 break; 673 case OPT_PROV_CASES: 674 if (!opt_provider(o)) 675 goto end; 676 break; 677 case OPT_CONFIG: 678 conf = app_load_config_modules(opt_arg()); 679 if (conf == NULL) 680 goto end; 681 break; 682 case OPT_WRAP: 683 wrapname = opt_arg(); 684 break; 685 case OPT_AES128_WRAP: 686 case OPT_AES192_WRAP: 687 case OPT_AES256_WRAP: 688 case OPT_3DES_WRAP: 689 wrapname = opt_flag() + 1; 690 break; 691 } 692 } 693 if (!app_RAND_load()) 694 goto end; 695 696 if (digestname != NULL) { 697 if (!opt_md(digestname, &sign_md)) 698 goto end; 699 } 700 if (ciphername != NULL) { 701 if (!opt_cipher_any(ciphername, &cipher)) 702 goto end; 703 } 704 if (wrapname != NULL) { 705 if (!opt_cipher_any(wrapname, &wrap_cipher)) 706 goto end; 707 } 708 709 /* Remaining args are files to process. */ 710 argc = opt_num_rest(); 711 argv = opt_rest(); 712 713 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) { 714 BIO_puts(bio_err, "No Signed Receipts Recipients\n"); 715 goto opthelp; 716 } 717 718 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) { 719 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); 720 goto opthelp; 721 } 722 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) { 723 BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); 724 goto opthelp; 725 } 726 727 if ((flags & CMS_CADES) != 0) { 728 if ((flags & CMS_NOATTR) != 0) { 729 BIO_puts(bio_err, "Incompatible options: " 730 "CAdES requires signed attributes\n"); 731 goto opthelp; 732 } 733 if (operation == SMIME_VERIFY 734 && (flags & (CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY)) != 0) { 735 BIO_puts(bio_err, "Incompatible options: CAdES validation requires" 736 " certs and signed attributes validations\n"); 737 goto opthelp; 738 } 739 } 740 741 if (operation & SMIME_SIGNERS) { 742 if (keyfile != NULL && signerfile == NULL) { 743 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 744 goto opthelp; 745 } 746 /* Check to see if any final signer needs to be appended */ 747 if (signerfile != NULL) { 748 if (sksigners == NULL 749 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 750 goto end; 751 sk_OPENSSL_STRING_push(sksigners, signerfile); 752 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 753 goto end; 754 if (keyfile == NULL) 755 keyfile = signerfile; 756 sk_OPENSSL_STRING_push(skkeys, keyfile); 757 } 758 if (sksigners == NULL) { 759 BIO_printf(bio_err, "No signer certificate specified\n"); 760 goto opthelp; 761 } 762 signerfile = NULL; 763 keyfile = NULL; 764 } else if (operation == SMIME_DECRYPT) { 765 if (recipfile == NULL && keyfile == NULL 766 && secret_key == NULL && pwri_pass == NULL) { 767 BIO_printf(bio_err, 768 "No recipient certificate or key specified\n"); 769 goto opthelp; 770 } 771 } else if (operation == SMIME_ENCRYPT) { 772 if (*argv == NULL && secret_key == NULL 773 && pwri_pass == NULL && sk_X509_num(encerts) <= 0) { 774 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); 775 goto opthelp; 776 } 777 } else if (!operation) { 778 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n"); 779 goto opthelp; 780 } 781 782 if (!app_passwd(passinarg, NULL, &passin, NULL)) { 783 BIO_printf(bio_err, "Error getting password\n"); 784 goto end; 785 } 786 787 ret = 2; 788 789 if ((operation & SMIME_SIGNERS) == 0) { 790 if ((flags & CMS_DETACHED) == 0) 791 BIO_printf(bio_err, 792 "Warning: -nodetach option is ignored for non-signing operation\n"); 793 794 flags &= ~CMS_DETACHED; 795 } 796 if ((operation & SMIME_IP) == 0 && contfile != NULL) 797 BIO_printf(bio_err, 798 "Warning: -contfile option is ignored for the given operation\n"); 799 if (operation != SMIME_ENCRYPT && *argv != NULL) 800 BIO_printf(bio_err, 801 "Warning: recipient certificate file parameters ignored for operation other than -encrypt\n"); 802 803 if ((flags & CMS_BINARY) != 0) { 804 if (!(operation & SMIME_OP)) 805 outformat = FORMAT_BINARY; 806 if (!(operation & SMIME_IP)) 807 informat = FORMAT_BINARY; 808 if ((operation & SMIME_SIGNERS) != 0 && (flags & CMS_DETACHED) != 0) 809 binary_files = 1; 810 if ((operation & SMIME_IP) != 0 && contfile == NULL) 811 binary_files = 1; 812 } 813 814 if (operation == SMIME_ENCRYPT) { 815 if (!cipher) { 816 #ifndef OPENSSL_NO_DES 817 cipher = (EVP_CIPHER *)EVP_des_ede3_cbc(); 818 #else 819 BIO_printf(bio_err, "No cipher selected\n"); 820 goto end; 821 #endif 822 } 823 824 if (secret_key && !secret_keyid) { 825 BIO_printf(bio_err, "No secret key id\n"); 826 goto end; 827 } 828 829 for (; *argv != NULL; argv++) { 830 cert = load_cert(*argv, FORMAT_UNDEF, 831 "recipient certificate file"); 832 if (cert == NULL) 833 goto end; 834 sk_X509_push(encerts, cert); 835 cert = NULL; 836 } 837 } 838 839 if (certfile != NULL) { 840 if (!load_certs(certfile, 0, &other, NULL, "certificate file")) { 841 ERR_print_errors(bio_err); 842 goto end; 843 } 844 } 845 846 if (recipfile != NULL && (operation == SMIME_DECRYPT)) { 847 if ((recip = load_cert(recipfile, FORMAT_UNDEF, 848 "recipient certificate file")) == NULL) { 849 ERR_print_errors(bio_err); 850 goto end; 851 } 852 } 853 854 if (originatorfile != NULL) { 855 if ((originator = load_cert(originatorfile, FORMAT_UNDEF, 856 "originator certificate file")) == NULL) { 857 ERR_print_errors(bio_err); 858 goto end; 859 } 860 } 861 862 if (operation == SMIME_SIGN_RECEIPT) { 863 if ((signer = load_cert(signerfile, FORMAT_UNDEF, 864 "receipt signer certificate file")) == NULL) { 865 ERR_print_errors(bio_err); 866 goto end; 867 } 868 } 869 870 if ((operation == SMIME_DECRYPT) || (operation == SMIME_ENCRYPT)) { 871 if (keyfile == NULL) 872 keyfile = recipfile; 873 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) { 874 if (keyfile == NULL) 875 keyfile = signerfile; 876 } else { 877 keyfile = NULL; 878 } 879 880 if (keyfile != NULL) { 881 key = load_key(keyfile, keyform, 0, passin, e, "signing key"); 882 if (key == NULL) 883 goto end; 884 } 885 886 in = bio_open_default(infile, 'r', 887 binary_files ? FORMAT_BINARY : informat); 888 if (in == NULL) 889 goto end; 890 891 if (operation & SMIME_IP) { 892 cms = load_content_info(informat, in, flags, &indata, "SMIME"); 893 if (cms == NULL) 894 goto end; 895 if (contfile != NULL) { 896 BIO_free(indata); 897 if ((indata = BIO_new_file(contfile, "rb")) == NULL) { 898 BIO_printf(bio_err, "Can't read content file %s\n", contfile); 899 goto end; 900 } 901 } 902 if (certsoutfile != NULL) { 903 STACK_OF(X509) *allcerts; 904 allcerts = CMS_get1_certs(cms); 905 if (!save_certs(certsoutfile, allcerts)) { 906 BIO_printf(bio_err, 907 "Error writing certs to %s\n", certsoutfile); 908 ret = 5; 909 goto end; 910 } 911 sk_X509_pop_free(allcerts, X509_free); 912 } 913 } 914 915 if (rctfile != NULL) { 916 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; 917 918 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) { 919 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile); 920 goto end; 921 } 922 923 rcms = load_content_info(rctformat, rctin, 0, NULL, "receipt"); 924 if (rcms == NULL) 925 goto end; 926 } 927 928 out = bio_open_default(outfile, 'w', 929 binary_files ? FORMAT_BINARY : outformat); 930 if (out == NULL) 931 goto end; 932 933 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) { 934 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath, 935 CAstore, noCAstore)) == NULL) 936 goto end; 937 X509_STORE_set_verify_cb(store, cms_cb); 938 if (vpmtouched) 939 X509_STORE_set1_param(store, vpm); 940 } 941 942 ret = 3; 943 944 if (operation == SMIME_DATA_CREATE) { 945 cms = CMS_data_create_ex(in, flags, libctx, app_get0_propq()); 946 } else if (operation == SMIME_DIGEST_CREATE) { 947 cms = CMS_digest_create_ex(in, sign_md, flags, libctx, app_get0_propq()); 948 } else if (operation == SMIME_COMPRESS) { 949 cms = CMS_compress(in, -1, flags); 950 } else if (operation == SMIME_ENCRYPT) { 951 int i; 952 flags |= CMS_PARTIAL; 953 cms = CMS_encrypt_ex(NULL, in, cipher, flags, libctx, app_get0_propq()); 954 if (cms == NULL) 955 goto end; 956 for (i = 0; i < sk_X509_num(encerts); i++) { 957 CMS_RecipientInfo *ri; 958 cms_key_param *kparam; 959 int tflags = flags | CMS_KEY_PARAM; 960 /* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */ 961 EVP_PKEY_CTX *pctx; 962 X509 *x = sk_X509_value(encerts, i); 963 int res; 964 965 for (kparam = key_first; kparam; kparam = kparam->next) { 966 if (kparam->idx == i) { 967 break; 968 } 969 } 970 ri = CMS_add1_recipient(cms, x, key, originator, tflags); 971 if (ri == NULL) 972 goto end; 973 974 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri); 975 if (kparam != NULL) { 976 if (!cms_set_pkey_param(pctx, kparam->param)) 977 goto end; 978 } 979 980 res = EVP_PKEY_CTX_ctrl(pctx, -1, -1, 981 EVP_PKEY_CTRL_CIPHER, 982 EVP_CIPHER_get_nid(cipher), NULL); 983 if (res <= 0 && res != -2) 984 goto end; 985 986 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE 987 && wrap_cipher != NULL) { 988 EVP_CIPHER_CTX *wctx; 989 wctx = CMS_RecipientInfo_kari_get0_ctx(ri); 990 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL); 991 } 992 } 993 994 if (secret_key != NULL) { 995 if (!CMS_add0_recipient_key(cms, NID_undef, 996 secret_key, secret_keylen, 997 secret_keyid, secret_keyidlen, 998 NULL, NULL, NULL)) 999 goto end; 1000 /* NULL these because call absorbs them */ 1001 secret_key = NULL; 1002 secret_keyid = NULL; 1003 } 1004 if (pwri_pass != NULL) { 1005 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass); 1006 if (pwri_tmp == NULL) 1007 goto end; 1008 if (CMS_add0_recipient_password(cms, 1009 -1, NID_undef, NID_undef, 1010 pwri_tmp, -1, NULL) == NULL) 1011 goto end; 1012 pwri_tmp = NULL; 1013 } 1014 if (!(flags & CMS_STREAM)) { 1015 if (!CMS_final(cms, in, NULL, flags)) 1016 goto end; 1017 } 1018 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) { 1019 cms = CMS_EncryptedData_encrypt_ex(in, cipher, secret_key, 1020 secret_keylen, flags, libctx, app_get0_propq()); 1021 1022 } else if (operation == SMIME_SIGN_RECEIPT) { 1023 CMS_ContentInfo *srcms = NULL; 1024 STACK_OF(CMS_SignerInfo) *sis; 1025 CMS_SignerInfo *si; 1026 sis = CMS_get0_SignerInfos(cms); 1027 if (sis == NULL) 1028 goto end; 1029 si = sk_CMS_SignerInfo_value(sis, 0); 1030 srcms = CMS_sign_receipt(si, signer, key, other, flags); 1031 if (srcms == NULL) 1032 goto end; 1033 CMS_ContentInfo_free(cms); 1034 cms = srcms; 1035 } else if (operation & SMIME_SIGNERS) { 1036 int i; 1037 /* 1038 * If detached data content we enable streaming if S/MIME output 1039 * format. 1040 */ 1041 if (operation == SMIME_SIGN) { 1042 1043 if (flags & CMS_DETACHED) { 1044 if (outformat == FORMAT_SMIME) 1045 flags |= CMS_STREAM; 1046 } 1047 flags |= CMS_PARTIAL; 1048 cms = CMS_sign_ex(NULL, NULL, other, in, flags, libctx, app_get0_propq()); 1049 if (cms == NULL) 1050 goto end; 1051 if (econtent_type != NULL) 1052 CMS_set1_eContentType(cms, econtent_type); 1053 1054 if (rr_to != NULL 1055 && ((rr = make_receipt_request(rr_to, rr_allorfirst, rr_from)) 1056 == NULL)) { 1057 BIO_puts(bio_err, "Signed Receipt Request Creation Error\n"); 1058 goto end; 1059 } 1060 } else { 1061 flags |= CMS_REUSE_DIGEST; 1062 } 1063 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { 1064 CMS_SignerInfo *si; 1065 cms_key_param *kparam; 1066 int tflags = flags; 1067 signerfile = sk_OPENSSL_STRING_value(sksigners, i); 1068 keyfile = sk_OPENSSL_STRING_value(skkeys, i); 1069 1070 signer = load_cert(signerfile, FORMAT_UNDEF, "signer certificate"); 1071 if (signer == NULL) { 1072 ret = 2; 1073 goto end; 1074 } 1075 key = load_key(keyfile, keyform, 0, passin, e, "signing key"); 1076 if (key == NULL) { 1077 ret = 2; 1078 goto end; 1079 } 1080 1081 for (kparam = key_first; kparam; kparam = kparam->next) { 1082 if (kparam->idx == i) { 1083 tflags |= CMS_KEY_PARAM; 1084 break; 1085 } 1086 } 1087 si = CMS_add1_signer(cms, signer, key, sign_md, tflags); 1088 if (si == NULL) 1089 goto end; 1090 if (kparam != NULL) { 1091 EVP_PKEY_CTX *pctx; 1092 pctx = CMS_SignerInfo_get0_pkey_ctx(si); 1093 if (!cms_set_pkey_param(pctx, kparam->param)) 1094 goto end; 1095 } 1096 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr)) 1097 goto end; 1098 X509_free(signer); 1099 signer = NULL; 1100 EVP_PKEY_free(key); 1101 key = NULL; 1102 } 1103 /* If not streaming or resigning finalize structure */ 1104 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) { 1105 if (!CMS_final(cms, in, NULL, flags)) 1106 goto end; 1107 } 1108 } 1109 1110 if (cms == NULL) { 1111 BIO_printf(bio_err, "Error creating CMS structure\n"); 1112 goto end; 1113 } 1114 1115 ret = 4; 1116 if (operation == SMIME_DECRYPT) { 1117 if (flags & CMS_DEBUG_DECRYPT) 1118 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); 1119 1120 if (secret_key != NULL) { 1121 if (!CMS_decrypt_set1_key(cms, 1122 secret_key, secret_keylen, 1123 secret_keyid, secret_keyidlen)) { 1124 BIO_puts(bio_err, "Error decrypting CMS using secret key\n"); 1125 goto end; 1126 } 1127 } 1128 1129 if (key != NULL) { 1130 if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) { 1131 BIO_puts(bio_err, "Error decrypting CMS using private key\n"); 1132 goto end; 1133 } 1134 } 1135 1136 if (pwri_pass != NULL) { 1137 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) { 1138 BIO_puts(bio_err, "Error decrypting CMS using password\n"); 1139 goto end; 1140 } 1141 } 1142 1143 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) { 1144 BIO_printf(bio_err, "Error decrypting CMS structure\n"); 1145 goto end; 1146 } 1147 } else if (operation == SMIME_DATA_OUT) { 1148 if (!CMS_data(cms, out, flags)) 1149 goto end; 1150 } else if (operation == SMIME_UNCOMPRESS) { 1151 if (!CMS_uncompress(cms, indata, out, flags)) 1152 goto end; 1153 } else if (operation == SMIME_DIGEST_VERIFY) { 1154 if (CMS_digest_verify(cms, indata, out, flags) > 0) { 1155 BIO_printf(bio_err, "Verification successful\n"); 1156 } else { 1157 BIO_printf(bio_err, "Verification failure\n"); 1158 goto end; 1159 } 1160 } else if (operation == SMIME_ENCRYPTED_DECRYPT) { 1161 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, 1162 indata, out, flags)) 1163 goto end; 1164 } else if (operation == SMIME_VERIFY) { 1165 if (CMS_verify(cms, other, store, indata, out, flags) > 0) { 1166 BIO_printf(bio_err, "%s Verification successful\n", 1167 (flags & CMS_CADES) != 0 ? "CAdES" : "CMS"); 1168 } else { 1169 BIO_printf(bio_err, "%s Verification failure\n", 1170 (flags & CMS_CADES) != 0 ? "CAdES" : "CMS"); 1171 if (verify_retcode) 1172 ret = verify_err + 32; 1173 goto end; 1174 } 1175 if (signerfile != NULL) { 1176 STACK_OF(X509) *signers = CMS_get0_signers(cms); 1177 1178 if (!save_certs(signerfile, signers)) { 1179 BIO_printf(bio_err, 1180 "Error writing signers to %s\n", signerfile); 1181 ret = 5; 1182 goto end; 1183 } 1184 sk_X509_free(signers); 1185 } 1186 if (rr_print) 1187 receipt_request_print(cms); 1188 1189 } else if (operation == SMIME_VERIFY_RECEIPT) { 1190 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) { 1191 BIO_printf(bio_err, "Verification successful\n"); 1192 } else { 1193 BIO_printf(bio_err, "Verification failure\n"); 1194 goto end; 1195 } 1196 } else { 1197 if (noout) { 1198 if (print) { 1199 ASN1_PCTX *pctx = NULL; 1200 if (get_nameopt() != XN_FLAG_ONELINE) { 1201 pctx = ASN1_PCTX_new(); 1202 if (pctx != NULL) { /* Print anyway if malloc failed */ 1203 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT); 1204 ASN1_PCTX_set_str_flags(pctx, get_nameopt()); 1205 ASN1_PCTX_set_nm_flags(pctx, get_nameopt()); 1206 } 1207 } 1208 CMS_ContentInfo_print_ctx(out, cms, 0, pctx); 1209 ASN1_PCTX_free(pctx); 1210 } 1211 } else if (outformat == FORMAT_SMIME) { 1212 if (to) 1213 BIO_printf(out, "To: %s%s", to, mime_eol); 1214 if (from) 1215 BIO_printf(out, "From: %s%s", from, mime_eol); 1216 if (subject) 1217 BIO_printf(out, "Subject: %s%s", subject, mime_eol); 1218 if (operation == SMIME_RESIGN) 1219 ret = SMIME_write_CMS(out, cms, indata, flags); 1220 else 1221 ret = SMIME_write_CMS(out, cms, in, flags); 1222 } else if (outformat == FORMAT_PEM) { 1223 ret = PEM_write_bio_CMS_stream(out, cms, in, flags); 1224 } else if (outformat == FORMAT_ASN1) { 1225 ret = i2d_CMS_bio_stream(out, cms, in, flags); 1226 } else { 1227 BIO_printf(bio_err, "Bad output format for CMS file\n"); 1228 goto end; 1229 } 1230 if (ret <= 0) { 1231 ret = 6; 1232 goto end; 1233 } 1234 } 1235 ret = 0; 1236 end: 1237 if (ret) 1238 ERR_print_errors(bio_err); 1239 sk_X509_pop_free(encerts, X509_free); 1240 sk_X509_pop_free(other, X509_free); 1241 X509_VERIFY_PARAM_free(vpm); 1242 sk_OPENSSL_STRING_free(sksigners); 1243 sk_OPENSSL_STRING_free(skkeys); 1244 OPENSSL_free(secret_key); 1245 OPENSSL_free(secret_keyid); 1246 OPENSSL_free(pwri_tmp); 1247 ASN1_OBJECT_free(econtent_type); 1248 CMS_ReceiptRequest_free(rr); 1249 sk_OPENSSL_STRING_free(rr_to); 1250 sk_OPENSSL_STRING_free(rr_from); 1251 for (key_param = key_first; key_param;) { 1252 cms_key_param *tparam; 1253 sk_OPENSSL_STRING_free(key_param->param); 1254 tparam = key_param->next; 1255 OPENSSL_free(key_param); 1256 key_param = tparam; 1257 } 1258 X509_STORE_free(store); 1259 X509_free(cert); 1260 X509_free(recip); 1261 X509_free(signer); 1262 EVP_PKEY_free(key); 1263 EVP_CIPHER_free(cipher); 1264 EVP_CIPHER_free(wrap_cipher); 1265 EVP_MD_free(sign_md); 1266 CMS_ContentInfo_free(cms); 1267 CMS_ContentInfo_free(rcms); 1268 release_engine(e); 1269 BIO_free(rctin); 1270 BIO_free(in); 1271 BIO_free(indata); 1272 BIO_free_all(out); 1273 OPENSSL_free(passin); 1274 NCONF_free(conf); 1275 return ret; 1276 } 1277 1278 static int save_certs(char *signerfile, STACK_OF(X509) *signers) 1279 { 1280 int i; 1281 BIO *tmp; 1282 if (signerfile == NULL) 1283 return 1; 1284 tmp = BIO_new_file(signerfile, "w"); 1285 if (tmp == NULL) 1286 return 0; 1287 for (i = 0; i < sk_X509_num(signers); i++) 1288 PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); 1289 BIO_free(tmp); 1290 return 1; 1291 } 1292 1293 /* Minimal callback just to output policy info (if any) */ 1294 1295 static int cms_cb(int ok, X509_STORE_CTX *ctx) 1296 { 1297 int error; 1298 1299 error = X509_STORE_CTX_get_error(ctx); 1300 1301 verify_err = error; 1302 1303 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) 1304 && ((error != X509_V_OK) || (ok != 2))) 1305 return ok; 1306 1307 policies_print(ctx); 1308 1309 return ok; 1310 1311 } 1312 1313 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns) 1314 { 1315 STACK_OF(GENERAL_NAME) *gens; 1316 GENERAL_NAME *gen; 1317 int i, j; 1318 1319 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) { 1320 gens = sk_GENERAL_NAMES_value(gns, i); 1321 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) { 1322 gen = sk_GENERAL_NAME_value(gens, j); 1323 BIO_puts(bio_err, " "); 1324 GENERAL_NAME_print(bio_err, gen); 1325 BIO_puts(bio_err, "\n"); 1326 } 1327 } 1328 return; 1329 } 1330 1331 static void receipt_request_print(CMS_ContentInfo *cms) 1332 { 1333 STACK_OF(CMS_SignerInfo) *sis; 1334 CMS_SignerInfo *si; 1335 CMS_ReceiptRequest *rr; 1336 int allorfirst; 1337 STACK_OF(GENERAL_NAMES) *rto, *rlist; 1338 ASN1_STRING *scid; 1339 int i, rv; 1340 sis = CMS_get0_SignerInfos(cms); 1341 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) { 1342 si = sk_CMS_SignerInfo_value(sis, i); 1343 rv = CMS_get1_ReceiptRequest(si, &rr); 1344 BIO_printf(bio_err, "Signer %d:\n", i + 1); 1345 if (rv == 0) { 1346 BIO_puts(bio_err, " No Receipt Request\n"); 1347 } else if (rv < 0) { 1348 BIO_puts(bio_err, " Receipt Request Parse Error\n"); 1349 ERR_print_errors(bio_err); 1350 } else { 1351 const char *id; 1352 int idlen; 1353 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, 1354 &rlist, &rto); 1355 BIO_puts(bio_err, " Signed Content ID:\n"); 1356 idlen = ASN1_STRING_length(scid); 1357 id = (const char *)ASN1_STRING_get0_data(scid); 1358 BIO_dump_indent(bio_err, id, idlen, 4); 1359 BIO_puts(bio_err, " Receipts From"); 1360 if (rlist != NULL) { 1361 BIO_puts(bio_err, " List:\n"); 1362 gnames_stack_print(rlist); 1363 } else if (allorfirst == 1) { 1364 BIO_puts(bio_err, ": First Tier\n"); 1365 } else if (allorfirst == 0) { 1366 BIO_puts(bio_err, ": All\n"); 1367 } else { 1368 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst); 1369 } 1370 BIO_puts(bio_err, " Receipts To:\n"); 1371 gnames_stack_print(rto); 1372 } 1373 CMS_ReceiptRequest_free(rr); 1374 } 1375 } 1376 1377 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns) 1378 { 1379 int i; 1380 STACK_OF(GENERAL_NAMES) *ret; 1381 GENERAL_NAMES *gens = NULL; 1382 GENERAL_NAME *gen = NULL; 1383 ret = sk_GENERAL_NAMES_new_null(); 1384 if (ret == NULL) 1385 goto err; 1386 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) { 1387 char *str = sk_OPENSSL_STRING_value(ns, i); 1388 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); 1389 if (gen == NULL) 1390 goto err; 1391 gens = GENERAL_NAMES_new(); 1392 if (gens == NULL) 1393 goto err; 1394 if (!sk_GENERAL_NAME_push(gens, gen)) 1395 goto err; 1396 gen = NULL; 1397 if (!sk_GENERAL_NAMES_push(ret, gens)) 1398 goto err; 1399 gens = NULL; 1400 } 1401 1402 return ret; 1403 1404 err: 1405 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); 1406 GENERAL_NAMES_free(gens); 1407 GENERAL_NAME_free(gen); 1408 return NULL; 1409 } 1410 1411 static CMS_ReceiptRequest 1412 *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst, 1413 STACK_OF(OPENSSL_STRING) *rr_from) 1414 { 1415 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL; 1416 1417 rct_to = make_names_stack(rr_to); 1418 if (rct_to == NULL) 1419 goto err; 1420 if (rr_from != NULL) { 1421 rct_from = make_names_stack(rr_from); 1422 if (rct_from == NULL) 1423 goto err; 1424 } else { 1425 rct_from = NULL; 1426 } 1427 return CMS_ReceiptRequest_create0_ex(NULL, -1, rr_allorfirst, rct_from, 1428 rct_to, app_get0_libctx()); 1429 err: 1430 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free); 1431 return NULL; 1432 } 1433 1434 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 1435 STACK_OF(OPENSSL_STRING) *param) 1436 { 1437 char *keyopt; 1438 int i; 1439 if (sk_OPENSSL_STRING_num(param) <= 0) 1440 return 1; 1441 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) { 1442 keyopt = sk_OPENSSL_STRING_value(param, i); 1443 if (pkey_ctrl_string(pctx, keyopt) <= 0) { 1444 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt); 1445 ERR_print_errors(bio_err); 1446 return 0; 1447 } 1448 } 1449 return 1; 1450 } 1451