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 if (!sk_X509_push(encerts, cert)) 624 goto end; 625 cert = NULL; 626 } else { 627 recipfile = opt_arg(); 628 } 629 break; 630 case OPT_CIPHER: 631 ciphername = opt_unknown(); 632 break; 633 case OPT_KEYOPT: 634 keyidx = -1; 635 if (operation == SMIME_ENCRYPT) { 636 if (sk_X509_num(encerts) > 0) 637 keyidx += sk_X509_num(encerts); 638 } else { 639 if (keyfile != NULL || signerfile != NULL) 640 keyidx++; 641 if (skkeys != NULL) 642 keyidx += sk_OPENSSL_STRING_num(skkeys); 643 } 644 if (keyidx < 0) { 645 BIO_printf(bio_err, "No key specified\n"); 646 goto opthelp; 647 } 648 if (key_param == NULL || key_param->idx != keyidx) { 649 cms_key_param *nparam; 650 nparam = app_malloc(sizeof(*nparam), "key param buffer"); 651 if ((nparam->param = sk_OPENSSL_STRING_new_null()) == NULL) { 652 OPENSSL_free(nparam); 653 goto end; 654 } 655 nparam->idx = keyidx; 656 nparam->next = NULL; 657 if (key_first == NULL) 658 key_first = nparam; 659 else 660 key_param->next = nparam; 661 key_param = nparam; 662 } 663 sk_OPENSSL_STRING_push(key_param->param, opt_arg()); 664 break; 665 case OPT_V_CASES: 666 if (!opt_verify(o, vpm)) 667 goto end; 668 vpmtouched++; 669 break; 670 case OPT_R_CASES: 671 if (!opt_rand(o)) 672 goto end; 673 break; 674 case OPT_PROV_CASES: 675 if (!opt_provider(o)) 676 goto end; 677 break; 678 case OPT_CONFIG: 679 conf = app_load_config_modules(opt_arg()); 680 if (conf == NULL) 681 goto end; 682 break; 683 case OPT_WRAP: 684 wrapname = opt_arg(); 685 break; 686 case OPT_AES128_WRAP: 687 case OPT_AES192_WRAP: 688 case OPT_AES256_WRAP: 689 case OPT_3DES_WRAP: 690 wrapname = opt_flag() + 1; 691 break; 692 } 693 } 694 if (!app_RAND_load()) 695 goto end; 696 697 if (digestname != NULL) { 698 if (!opt_md(digestname, &sign_md)) 699 goto end; 700 } 701 if (ciphername != NULL) { 702 if (!opt_cipher_any(ciphername, &cipher)) 703 goto end; 704 } 705 if (wrapname != NULL) { 706 if (!opt_cipher_any(wrapname, &wrap_cipher)) 707 goto end; 708 } 709 710 /* Remaining args are files to process. */ 711 argc = opt_num_rest(); 712 argv = opt_rest(); 713 714 if ((rr_allorfirst != -1 || rr_from != NULL) && rr_to == NULL) { 715 BIO_puts(bio_err, "No Signed Receipts Recipients\n"); 716 goto opthelp; 717 } 718 719 if (!(operation & SMIME_SIGNERS) && (rr_to != NULL || rr_from != NULL)) { 720 BIO_puts(bio_err, "Signed receipts only allowed with -sign\n"); 721 goto opthelp; 722 } 723 if (!(operation & SMIME_SIGNERS) && (skkeys != NULL || sksigners != NULL)) { 724 BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); 725 goto opthelp; 726 } 727 728 if ((flags & CMS_CADES) != 0) { 729 if ((flags & CMS_NOATTR) != 0) { 730 BIO_puts(bio_err, "Incompatible options: " 731 "CAdES requires signed attributes\n"); 732 goto opthelp; 733 } 734 if (operation == SMIME_VERIFY 735 && (flags & (CMS_NO_SIGNER_CERT_VERIFY | CMS_NO_ATTR_VERIFY)) != 0) { 736 BIO_puts(bio_err, "Incompatible options: CAdES validation requires" 737 " certs and signed attributes validations\n"); 738 goto opthelp; 739 } 740 } 741 742 if (operation & SMIME_SIGNERS) { 743 if (keyfile != NULL && signerfile == NULL) { 744 BIO_puts(bio_err, "Illegal -inkey without -signer\n"); 745 goto opthelp; 746 } 747 /* Check to see if any final signer needs to be appended */ 748 if (signerfile != NULL) { 749 if (sksigners == NULL 750 && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL) 751 goto end; 752 sk_OPENSSL_STRING_push(sksigners, signerfile); 753 if (skkeys == NULL && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL) 754 goto end; 755 if (keyfile == NULL) 756 keyfile = signerfile; 757 sk_OPENSSL_STRING_push(skkeys, keyfile); 758 } 759 if (sksigners == NULL) { 760 BIO_printf(bio_err, "No signer certificate specified\n"); 761 goto opthelp; 762 } 763 signerfile = NULL; 764 keyfile = NULL; 765 } else if (operation == SMIME_DECRYPT) { 766 if (recipfile == NULL && keyfile == NULL 767 && secret_key == NULL && pwri_pass == NULL) { 768 BIO_printf(bio_err, 769 "No recipient certificate or key specified\n"); 770 goto opthelp; 771 } 772 } else if (operation == SMIME_ENCRYPT) { 773 if (*argv == NULL && secret_key == NULL 774 && pwri_pass == NULL && sk_X509_num(encerts) <= 0) { 775 BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); 776 goto opthelp; 777 } 778 } else if (!operation) { 779 BIO_printf(bio_err, "No operation option (-encrypt|-decrypt|-sign|-verify|...) specified.\n"); 780 goto opthelp; 781 } 782 783 if (!app_passwd(passinarg, NULL, &passin, NULL)) { 784 BIO_printf(bio_err, "Error getting password\n"); 785 goto end; 786 } 787 788 ret = 2; 789 790 if ((operation & SMIME_SIGNERS) == 0) { 791 if ((flags & CMS_DETACHED) == 0) 792 BIO_printf(bio_err, 793 "Warning: -nodetach option is ignored for non-signing operation\n"); 794 795 flags &= ~CMS_DETACHED; 796 } 797 if ((operation & SMIME_IP) == 0 && contfile != NULL) 798 BIO_printf(bio_err, 799 "Warning: -contfile option is ignored for the given operation\n"); 800 if (operation != SMIME_ENCRYPT && *argv != NULL) 801 BIO_printf(bio_err, 802 "Warning: recipient certificate file parameters ignored for operation other than -encrypt\n"); 803 804 if ((flags & CMS_BINARY) != 0) { 805 if (!(operation & SMIME_OP)) 806 outformat = FORMAT_BINARY; 807 if (!(operation & SMIME_IP)) 808 informat = FORMAT_BINARY; 809 if ((operation & SMIME_SIGNERS) != 0 && (flags & CMS_DETACHED) != 0) 810 binary_files = 1; 811 if ((operation & SMIME_IP) != 0 && contfile == NULL) 812 binary_files = 1; 813 } 814 815 if (operation == SMIME_ENCRYPT) { 816 if (!cipher) { 817 #ifndef OPENSSL_NO_DES 818 cipher = (EVP_CIPHER *)EVP_des_ede3_cbc(); 819 #else 820 BIO_printf(bio_err, "No cipher selected\n"); 821 goto end; 822 #endif 823 } 824 825 if (secret_key && !secret_keyid) { 826 BIO_printf(bio_err, "No secret key id\n"); 827 goto end; 828 } 829 830 for (; *argv != NULL; argv++) { 831 cert = load_cert(*argv, FORMAT_UNDEF, 832 "recipient certificate file"); 833 if (cert == NULL) 834 goto end; 835 if (!sk_X509_push(encerts, cert)) 836 goto end; 837 cert = NULL; 838 } 839 } 840 841 if (certfile != NULL) { 842 if (!load_certs(certfile, 0, &other, NULL, "certificate file")) { 843 ERR_print_errors(bio_err); 844 goto end; 845 } 846 } 847 848 if (recipfile != NULL && (operation == SMIME_DECRYPT)) { 849 if ((recip = load_cert(recipfile, FORMAT_UNDEF, 850 "recipient certificate file")) == NULL) { 851 ERR_print_errors(bio_err); 852 goto end; 853 } 854 } 855 856 if (originatorfile != NULL) { 857 if ((originator = load_cert(originatorfile, FORMAT_UNDEF, 858 "originator certificate file")) == NULL) { 859 ERR_print_errors(bio_err); 860 goto end; 861 } 862 } 863 864 if (operation == SMIME_SIGN_RECEIPT) { 865 if ((signer = load_cert(signerfile, FORMAT_UNDEF, 866 "receipt signer certificate file")) == NULL) { 867 ERR_print_errors(bio_err); 868 goto end; 869 } 870 } 871 872 if ((operation == SMIME_DECRYPT) || (operation == SMIME_ENCRYPT)) { 873 if (keyfile == NULL) 874 keyfile = recipfile; 875 } else if ((operation == SMIME_SIGN) || (operation == SMIME_SIGN_RECEIPT)) { 876 if (keyfile == NULL) 877 keyfile = signerfile; 878 } else { 879 keyfile = NULL; 880 } 881 882 if (keyfile != NULL) { 883 key = load_key(keyfile, keyform, 0, passin, e, "signing key"); 884 if (key == NULL) 885 goto end; 886 } 887 888 in = bio_open_default(infile, 'r', 889 binary_files ? FORMAT_BINARY : informat); 890 if (in == NULL) 891 goto end; 892 893 if (operation & SMIME_IP) { 894 cms = load_content_info(informat, in, flags, &indata, "SMIME"); 895 if (cms == NULL) 896 goto end; 897 if (contfile != NULL) { 898 BIO_free(indata); 899 if ((indata = BIO_new_file(contfile, "rb")) == NULL) { 900 BIO_printf(bio_err, "Can't read content file %s\n", contfile); 901 goto end; 902 } 903 } 904 if (certsoutfile != NULL) { 905 STACK_OF(X509) *allcerts; 906 allcerts = CMS_get1_certs(cms); 907 if (!save_certs(certsoutfile, allcerts)) { 908 BIO_printf(bio_err, 909 "Error writing certs to %s\n", certsoutfile); 910 ret = 5; 911 goto end; 912 } 913 sk_X509_pop_free(allcerts, X509_free); 914 } 915 } 916 917 if (rctfile != NULL) { 918 char *rctmode = (rctformat == FORMAT_ASN1) ? "rb" : "r"; 919 920 if ((rctin = BIO_new_file(rctfile, rctmode)) == NULL) { 921 BIO_printf(bio_err, "Can't open receipt file %s\n", rctfile); 922 goto end; 923 } 924 925 rcms = load_content_info(rctformat, rctin, 0, NULL, "receipt"); 926 if (rcms == NULL) 927 goto end; 928 } 929 930 out = bio_open_default(outfile, 'w', 931 binary_files ? FORMAT_BINARY : outformat); 932 if (out == NULL) 933 goto end; 934 935 if ((operation == SMIME_VERIFY) || (operation == SMIME_VERIFY_RECEIPT)) { 936 if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath, 937 CAstore, noCAstore)) == NULL) 938 goto end; 939 X509_STORE_set_verify_cb(store, cms_cb); 940 if (vpmtouched) 941 X509_STORE_set1_param(store, vpm); 942 } 943 944 ret = 3; 945 946 if (operation == SMIME_DATA_CREATE) { 947 cms = CMS_data_create_ex(in, flags, libctx, app_get0_propq()); 948 } else if (operation == SMIME_DIGEST_CREATE) { 949 cms = CMS_digest_create_ex(in, sign_md, flags, libctx, app_get0_propq()); 950 } else if (operation == SMIME_COMPRESS) { 951 cms = CMS_compress(in, -1, flags); 952 } else if (operation == SMIME_ENCRYPT) { 953 int i; 954 flags |= CMS_PARTIAL; 955 cms = CMS_encrypt_ex(NULL, in, cipher, flags, libctx, app_get0_propq()); 956 if (cms == NULL) 957 goto end; 958 for (i = 0; i < sk_X509_num(encerts); i++) { 959 CMS_RecipientInfo *ri; 960 cms_key_param *kparam; 961 int tflags = flags | CMS_KEY_PARAM; 962 /* This flag enforces allocating the EVP_PKEY_CTX for the recipient here */ 963 EVP_PKEY_CTX *pctx; 964 X509 *x = sk_X509_value(encerts, i); 965 int res; 966 967 for (kparam = key_first; kparam; kparam = kparam->next) { 968 if (kparam->idx == i) { 969 break; 970 } 971 } 972 ri = CMS_add1_recipient(cms, x, key, originator, tflags); 973 if (ri == NULL) 974 goto end; 975 976 pctx = CMS_RecipientInfo_get0_pkey_ctx(ri); 977 if (kparam != NULL) { 978 if (!cms_set_pkey_param(pctx, kparam->param)) 979 goto end; 980 } 981 982 res = EVP_PKEY_CTX_ctrl(pctx, -1, -1, 983 EVP_PKEY_CTRL_CIPHER, 984 EVP_CIPHER_get_nid(cipher), NULL); 985 if (res <= 0 && res != -2) 986 goto end; 987 988 if (CMS_RecipientInfo_type(ri) == CMS_RECIPINFO_AGREE 989 && wrap_cipher != NULL) { 990 EVP_CIPHER_CTX *wctx; 991 wctx = CMS_RecipientInfo_kari_get0_ctx(ri); 992 EVP_EncryptInit_ex(wctx, wrap_cipher, NULL, NULL, NULL); 993 } 994 } 995 996 if (secret_key != NULL) { 997 if (!CMS_add0_recipient_key(cms, NID_undef, 998 secret_key, secret_keylen, 999 secret_keyid, secret_keyidlen, 1000 NULL, NULL, NULL)) 1001 goto end; 1002 /* NULL these because call absorbs them */ 1003 secret_key = NULL; 1004 secret_keyid = NULL; 1005 } 1006 if (pwri_pass != NULL) { 1007 pwri_tmp = (unsigned char *)OPENSSL_strdup((char *)pwri_pass); 1008 if (pwri_tmp == NULL) 1009 goto end; 1010 if (CMS_add0_recipient_password(cms, 1011 -1, NID_undef, NID_undef, 1012 pwri_tmp, -1, NULL) == NULL) 1013 goto end; 1014 pwri_tmp = NULL; 1015 } 1016 if (!(flags & CMS_STREAM)) { 1017 if (!CMS_final(cms, in, NULL, flags)) 1018 goto end; 1019 } 1020 } else if (operation == SMIME_ENCRYPTED_ENCRYPT) { 1021 cms = CMS_EncryptedData_encrypt_ex(in, cipher, secret_key, 1022 secret_keylen, flags, libctx, app_get0_propq()); 1023 1024 } else if (operation == SMIME_SIGN_RECEIPT) { 1025 CMS_ContentInfo *srcms = NULL; 1026 STACK_OF(CMS_SignerInfo) *sis; 1027 CMS_SignerInfo *si; 1028 sis = CMS_get0_SignerInfos(cms); 1029 if (sis == NULL) 1030 goto end; 1031 si = sk_CMS_SignerInfo_value(sis, 0); 1032 srcms = CMS_sign_receipt(si, signer, key, other, flags); 1033 if (srcms == NULL) 1034 goto end; 1035 CMS_ContentInfo_free(cms); 1036 cms = srcms; 1037 } else if (operation & SMIME_SIGNERS) { 1038 int i; 1039 /* 1040 * If detached data content we enable streaming if S/MIME output 1041 * format. 1042 */ 1043 if (operation == SMIME_SIGN) { 1044 1045 if (flags & CMS_DETACHED) { 1046 if (outformat == FORMAT_SMIME) 1047 flags |= CMS_STREAM; 1048 } 1049 flags |= CMS_PARTIAL; 1050 cms = CMS_sign_ex(NULL, NULL, other, in, flags, libctx, app_get0_propq()); 1051 if (cms == NULL) 1052 goto end; 1053 if (econtent_type != NULL) 1054 CMS_set1_eContentType(cms, econtent_type); 1055 1056 if (rr_to != NULL 1057 && ((rr = make_receipt_request(rr_to, rr_allorfirst, rr_from)) 1058 == NULL)) { 1059 BIO_puts(bio_err, "Signed Receipt Request Creation Error\n"); 1060 goto end; 1061 } 1062 } else { 1063 flags |= CMS_REUSE_DIGEST; 1064 } 1065 for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) { 1066 CMS_SignerInfo *si; 1067 cms_key_param *kparam; 1068 int tflags = flags; 1069 signerfile = sk_OPENSSL_STRING_value(sksigners, i); 1070 keyfile = sk_OPENSSL_STRING_value(skkeys, i); 1071 1072 signer = load_cert(signerfile, FORMAT_UNDEF, "signer certificate"); 1073 if (signer == NULL) { 1074 ret = 2; 1075 goto end; 1076 } 1077 key = load_key(keyfile, keyform, 0, passin, e, "signing key"); 1078 if (key == NULL) { 1079 ret = 2; 1080 goto end; 1081 } 1082 1083 for (kparam = key_first; kparam; kparam = kparam->next) { 1084 if (kparam->idx == i) { 1085 tflags |= CMS_KEY_PARAM; 1086 break; 1087 } 1088 } 1089 si = CMS_add1_signer(cms, signer, key, sign_md, tflags); 1090 if (si == NULL) 1091 goto end; 1092 if (kparam != NULL) { 1093 EVP_PKEY_CTX *pctx; 1094 pctx = CMS_SignerInfo_get0_pkey_ctx(si); 1095 if (!cms_set_pkey_param(pctx, kparam->param)) 1096 goto end; 1097 } 1098 if (rr != NULL && !CMS_add1_ReceiptRequest(si, rr)) 1099 goto end; 1100 X509_free(signer); 1101 signer = NULL; 1102 EVP_PKEY_free(key); 1103 key = NULL; 1104 } 1105 /* If not streaming or resigning finalize structure */ 1106 if ((operation == SMIME_SIGN) && !(flags & CMS_STREAM)) { 1107 if (!CMS_final(cms, in, NULL, flags)) 1108 goto end; 1109 } 1110 } 1111 1112 if (cms == NULL) { 1113 BIO_printf(bio_err, "Error creating CMS structure\n"); 1114 goto end; 1115 } 1116 1117 ret = 4; 1118 if (operation == SMIME_DECRYPT) { 1119 if (flags & CMS_DEBUG_DECRYPT) 1120 CMS_decrypt(cms, NULL, NULL, NULL, NULL, flags); 1121 1122 if (secret_key != NULL) { 1123 if (!CMS_decrypt_set1_key(cms, 1124 secret_key, secret_keylen, 1125 secret_keyid, secret_keyidlen)) { 1126 BIO_puts(bio_err, "Error decrypting CMS using secret key\n"); 1127 goto end; 1128 } 1129 } 1130 1131 if (key != NULL) { 1132 if (!CMS_decrypt_set1_pkey_and_peer(cms, key, recip, originator)) { 1133 BIO_puts(bio_err, "Error decrypting CMS using private key\n"); 1134 goto end; 1135 } 1136 } 1137 1138 if (pwri_pass != NULL) { 1139 if (!CMS_decrypt_set1_password(cms, pwri_pass, -1)) { 1140 BIO_puts(bio_err, "Error decrypting CMS using password\n"); 1141 goto end; 1142 } 1143 } 1144 1145 if (!CMS_decrypt(cms, NULL, NULL, indata, out, flags)) { 1146 BIO_printf(bio_err, "Error decrypting CMS structure\n"); 1147 goto end; 1148 } 1149 } else if (operation == SMIME_DATA_OUT) { 1150 if (!CMS_data(cms, out, flags)) 1151 goto end; 1152 } else if (operation == SMIME_UNCOMPRESS) { 1153 if (!CMS_uncompress(cms, indata, out, flags)) 1154 goto end; 1155 } else if (operation == SMIME_DIGEST_VERIFY) { 1156 if (CMS_digest_verify(cms, indata, out, flags) > 0) { 1157 BIO_printf(bio_err, "Verification successful\n"); 1158 } else { 1159 BIO_printf(bio_err, "Verification failure\n"); 1160 goto end; 1161 } 1162 } else if (operation == SMIME_ENCRYPTED_DECRYPT) { 1163 if (!CMS_EncryptedData_decrypt(cms, secret_key, secret_keylen, 1164 indata, out, flags)) 1165 goto end; 1166 } else if (operation == SMIME_VERIFY) { 1167 if (CMS_verify(cms, other, store, indata, out, flags) > 0) { 1168 BIO_printf(bio_err, "%s Verification successful\n", 1169 (flags & CMS_CADES) != 0 ? "CAdES" : "CMS"); 1170 } else { 1171 BIO_printf(bio_err, "%s Verification failure\n", 1172 (flags & CMS_CADES) != 0 ? "CAdES" : "CMS"); 1173 if (verify_retcode) 1174 ret = verify_err + 32; 1175 goto end; 1176 } 1177 if (signerfile != NULL) { 1178 STACK_OF(X509) *signers = CMS_get0_signers(cms); 1179 1180 if (!save_certs(signerfile, signers)) { 1181 BIO_printf(bio_err, 1182 "Error writing signers to %s\n", signerfile); 1183 ret = 5; 1184 goto end; 1185 } 1186 sk_X509_free(signers); 1187 } 1188 if (rr_print) 1189 receipt_request_print(cms); 1190 1191 } else if (operation == SMIME_VERIFY_RECEIPT) { 1192 if (CMS_verify_receipt(rcms, cms, other, store, flags) > 0) { 1193 BIO_printf(bio_err, "Verification successful\n"); 1194 } else { 1195 BIO_printf(bio_err, "Verification failure\n"); 1196 goto end; 1197 } 1198 } else { 1199 if (noout) { 1200 if (print) { 1201 ASN1_PCTX *pctx = NULL; 1202 if (get_nameopt() != XN_FLAG_ONELINE) { 1203 pctx = ASN1_PCTX_new(); 1204 if (pctx != NULL) { /* Print anyway if malloc failed */ 1205 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT); 1206 ASN1_PCTX_set_str_flags(pctx, get_nameopt()); 1207 ASN1_PCTX_set_nm_flags(pctx, get_nameopt()); 1208 } 1209 } 1210 CMS_ContentInfo_print_ctx(out, cms, 0, pctx); 1211 ASN1_PCTX_free(pctx); 1212 } 1213 } else if (outformat == FORMAT_SMIME) { 1214 if (to) 1215 BIO_printf(out, "To: %s%s", to, mime_eol); 1216 if (from) 1217 BIO_printf(out, "From: %s%s", from, mime_eol); 1218 if (subject) 1219 BIO_printf(out, "Subject: %s%s", subject, mime_eol); 1220 if (operation == SMIME_RESIGN) 1221 ret = SMIME_write_CMS(out, cms, indata, flags); 1222 else 1223 ret = SMIME_write_CMS(out, cms, in, flags); 1224 } else if (outformat == FORMAT_PEM) { 1225 ret = PEM_write_bio_CMS_stream(out, cms, in, flags); 1226 } else if (outformat == FORMAT_ASN1) { 1227 ret = i2d_CMS_bio_stream(out, cms, in, flags); 1228 } else { 1229 BIO_printf(bio_err, "Bad output format for CMS file\n"); 1230 goto end; 1231 } 1232 if (ret <= 0) { 1233 ret = 6; 1234 goto end; 1235 } 1236 } 1237 ret = 0; 1238 end: 1239 if (ret) 1240 ERR_print_errors(bio_err); 1241 sk_X509_pop_free(encerts, X509_free); 1242 sk_X509_pop_free(other, X509_free); 1243 X509_VERIFY_PARAM_free(vpm); 1244 sk_OPENSSL_STRING_free(sksigners); 1245 sk_OPENSSL_STRING_free(skkeys); 1246 OPENSSL_free(secret_key); 1247 OPENSSL_free(secret_keyid); 1248 OPENSSL_free(pwri_tmp); 1249 ASN1_OBJECT_free(econtent_type); 1250 CMS_ReceiptRequest_free(rr); 1251 sk_OPENSSL_STRING_free(rr_to); 1252 sk_OPENSSL_STRING_free(rr_from); 1253 for (key_param = key_first; key_param;) { 1254 cms_key_param *tparam; 1255 sk_OPENSSL_STRING_free(key_param->param); 1256 tparam = key_param->next; 1257 OPENSSL_free(key_param); 1258 key_param = tparam; 1259 } 1260 X509_STORE_free(store); 1261 X509_free(cert); 1262 X509_free(recip); 1263 X509_free(signer); 1264 EVP_PKEY_free(key); 1265 EVP_CIPHER_free(cipher); 1266 EVP_CIPHER_free(wrap_cipher); 1267 EVP_MD_free(sign_md); 1268 CMS_ContentInfo_free(cms); 1269 CMS_ContentInfo_free(rcms); 1270 release_engine(e); 1271 BIO_free(rctin); 1272 BIO_free(in); 1273 BIO_free(indata); 1274 BIO_free_all(out); 1275 OPENSSL_free(passin); 1276 NCONF_free(conf); 1277 return ret; 1278 } 1279 1280 static int save_certs(char *signerfile, STACK_OF(X509) *signers) 1281 { 1282 int i; 1283 BIO *tmp; 1284 if (signerfile == NULL) 1285 return 1; 1286 tmp = BIO_new_file(signerfile, "w"); 1287 if (tmp == NULL) 1288 return 0; 1289 for (i = 0; i < sk_X509_num(signers); i++) 1290 PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); 1291 BIO_free(tmp); 1292 return 1; 1293 } 1294 1295 /* Minimal callback just to output policy info (if any) */ 1296 1297 static int cms_cb(int ok, X509_STORE_CTX *ctx) 1298 { 1299 int error; 1300 1301 error = X509_STORE_CTX_get_error(ctx); 1302 1303 verify_err = error; 1304 1305 if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) 1306 && ((error != X509_V_OK) || (ok != 2))) 1307 return ok; 1308 1309 policies_print(ctx); 1310 1311 return ok; 1312 1313 } 1314 1315 static void gnames_stack_print(STACK_OF(GENERAL_NAMES) *gns) 1316 { 1317 STACK_OF(GENERAL_NAME) *gens; 1318 GENERAL_NAME *gen; 1319 int i, j; 1320 1321 for (i = 0; i < sk_GENERAL_NAMES_num(gns); i++) { 1322 gens = sk_GENERAL_NAMES_value(gns, i); 1323 for (j = 0; j < sk_GENERAL_NAME_num(gens); j++) { 1324 gen = sk_GENERAL_NAME_value(gens, j); 1325 BIO_puts(bio_err, " "); 1326 GENERAL_NAME_print(bio_err, gen); 1327 BIO_puts(bio_err, "\n"); 1328 } 1329 } 1330 return; 1331 } 1332 1333 static void receipt_request_print(CMS_ContentInfo *cms) 1334 { 1335 STACK_OF(CMS_SignerInfo) *sis; 1336 CMS_SignerInfo *si; 1337 CMS_ReceiptRequest *rr; 1338 int allorfirst; 1339 STACK_OF(GENERAL_NAMES) *rto, *rlist; 1340 ASN1_STRING *scid; 1341 int i, rv; 1342 sis = CMS_get0_SignerInfos(cms); 1343 for (i = 0; i < sk_CMS_SignerInfo_num(sis); i++) { 1344 si = sk_CMS_SignerInfo_value(sis, i); 1345 rv = CMS_get1_ReceiptRequest(si, &rr); 1346 BIO_printf(bio_err, "Signer %d:\n", i + 1); 1347 if (rv == 0) { 1348 BIO_puts(bio_err, " No Receipt Request\n"); 1349 } else if (rv < 0) { 1350 BIO_puts(bio_err, " Receipt Request Parse Error\n"); 1351 ERR_print_errors(bio_err); 1352 } else { 1353 const char *id; 1354 int idlen; 1355 CMS_ReceiptRequest_get0_values(rr, &scid, &allorfirst, 1356 &rlist, &rto); 1357 BIO_puts(bio_err, " Signed Content ID:\n"); 1358 idlen = ASN1_STRING_length(scid); 1359 id = (const char *)ASN1_STRING_get0_data(scid); 1360 BIO_dump_indent(bio_err, id, idlen, 4); 1361 BIO_puts(bio_err, " Receipts From"); 1362 if (rlist != NULL) { 1363 BIO_puts(bio_err, " List:\n"); 1364 gnames_stack_print(rlist); 1365 } else if (allorfirst == 1) { 1366 BIO_puts(bio_err, ": First Tier\n"); 1367 } else if (allorfirst == 0) { 1368 BIO_puts(bio_err, ": All\n"); 1369 } else { 1370 BIO_printf(bio_err, " Unknown (%d)\n", allorfirst); 1371 } 1372 BIO_puts(bio_err, " Receipts To:\n"); 1373 gnames_stack_print(rto); 1374 } 1375 CMS_ReceiptRequest_free(rr); 1376 } 1377 } 1378 1379 static STACK_OF(GENERAL_NAMES) *make_names_stack(STACK_OF(OPENSSL_STRING) *ns) 1380 { 1381 int i; 1382 STACK_OF(GENERAL_NAMES) *ret; 1383 GENERAL_NAMES *gens = NULL; 1384 GENERAL_NAME *gen = NULL; 1385 ret = sk_GENERAL_NAMES_new_null(); 1386 if (ret == NULL) 1387 goto err; 1388 for (i = 0; i < sk_OPENSSL_STRING_num(ns); i++) { 1389 char *str = sk_OPENSSL_STRING_value(ns, i); 1390 gen = a2i_GENERAL_NAME(NULL, NULL, NULL, GEN_EMAIL, str, 0); 1391 if (gen == NULL) 1392 goto err; 1393 gens = GENERAL_NAMES_new(); 1394 if (gens == NULL) 1395 goto err; 1396 if (!sk_GENERAL_NAME_push(gens, gen)) 1397 goto err; 1398 gen = NULL; 1399 if (!sk_GENERAL_NAMES_push(ret, gens)) 1400 goto err; 1401 gens = NULL; 1402 } 1403 1404 return ret; 1405 1406 err: 1407 sk_GENERAL_NAMES_pop_free(ret, GENERAL_NAMES_free); 1408 GENERAL_NAMES_free(gens); 1409 GENERAL_NAME_free(gen); 1410 return NULL; 1411 } 1412 1413 static CMS_ReceiptRequest 1414 *make_receipt_request(STACK_OF(OPENSSL_STRING) *rr_to, int rr_allorfirst, 1415 STACK_OF(OPENSSL_STRING) *rr_from) 1416 { 1417 STACK_OF(GENERAL_NAMES) *rct_to = NULL, *rct_from = NULL; 1418 CMS_ReceiptRequest *rr; 1419 1420 rct_to = make_names_stack(rr_to); 1421 if (rct_to == NULL) 1422 goto err; 1423 if (rr_from != NULL) { 1424 rct_from = make_names_stack(rr_from); 1425 if (rct_from == NULL) 1426 goto err; 1427 } else { 1428 rct_from = NULL; 1429 } 1430 rr = CMS_ReceiptRequest_create0_ex(NULL, -1, rr_allorfirst, rct_from, 1431 rct_to, app_get0_libctx()); 1432 if (rr == NULL) 1433 goto err; 1434 return rr; 1435 err: 1436 sk_GENERAL_NAMES_pop_free(rct_to, GENERAL_NAMES_free); 1437 sk_GENERAL_NAMES_pop_free(rct_from, GENERAL_NAMES_free); 1438 return NULL; 1439 } 1440 1441 static int cms_set_pkey_param(EVP_PKEY_CTX *pctx, 1442 STACK_OF(OPENSSL_STRING) *param) 1443 { 1444 char *keyopt; 1445 int i; 1446 if (sk_OPENSSL_STRING_num(param) <= 0) 1447 return 1; 1448 for (i = 0; i < sk_OPENSSL_STRING_num(param); i++) { 1449 keyopt = sk_OPENSSL_STRING_value(param, i); 1450 if (pkey_ctrl_string(pctx, keyopt) <= 0) { 1451 BIO_printf(bio_err, "parameter error \"%s\"\n", keyopt); 1452 ERR_print_errors(bio_err); 1453 return 0; 1454 } 1455 } 1456 return 1; 1457 } 1458