1 /* apps/req.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 /* 60 * Until the key-gen callbacks are modified to use newer prototypes, we allow 61 * deprecated functions for openssl-internal code 62 */ 63 #ifdef OPENSSL_NO_DEPRECATED 64 # undef OPENSSL_NO_DEPRECATED 65 #endif 66 67 #include <stdio.h> 68 #include <stdlib.h> 69 #include <time.h> 70 #include <string.h> 71 #ifdef OPENSSL_NO_STDIO 72 # define APPS_WIN16 73 #endif 74 #include "apps.h" 75 #include <openssl/bio.h> 76 #include <openssl/evp.h> 77 #include <openssl/conf.h> 78 #include <openssl/err.h> 79 #include <openssl/asn1.h> 80 #include <openssl/x509.h> 81 #include <openssl/x509v3.h> 82 #include <openssl/objects.h> 83 #include <openssl/pem.h> 84 #include <openssl/bn.h> 85 #ifndef OPENSSL_NO_RSA 86 # include <openssl/rsa.h> 87 #endif 88 #ifndef OPENSSL_NO_DSA 89 # include <openssl/dsa.h> 90 #endif 91 92 #define SECTION "req" 93 94 #define BITS "default_bits" 95 #define KEYFILE "default_keyfile" 96 #define PROMPT "prompt" 97 #define DISTINGUISHED_NAME "distinguished_name" 98 #define ATTRIBUTES "attributes" 99 #define V3_EXTENSIONS "x509_extensions" 100 #define REQ_EXTENSIONS "req_extensions" 101 #define STRING_MASK "string_mask" 102 #define UTF8_IN "utf8" 103 104 #define DEFAULT_KEY_LENGTH 512 105 #define MIN_KEY_LENGTH 384 106 107 #undef PROG 108 #define PROG req_main 109 110 /*- 111 * -inform arg - input format - default PEM (DER or PEM) 112 * -outform arg - output format - default PEM 113 * -in arg - input file - default stdin 114 * -out arg - output file - default stdout 115 * -verify - check request signature 116 * -noout - don't print stuff out. 117 * -text - print out human readable text. 118 * -nodes - no des encryption 119 * -config file - Load configuration file. 120 * -key file - make a request using key in file (or use it for verification). 121 * -keyform arg - key file format. 122 * -rand file(s) - load the file(s) into the PRNG. 123 * -newkey - make a key and a request. 124 * -modulus - print RSA modulus. 125 * -pubkey - output Public Key. 126 * -x509 - output a self signed X509 structure instead. 127 * -asn1-kludge - output new certificate request in a format that some CA's 128 * require. This format is wrong 129 */ 130 131 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn, 132 int attribs, unsigned long chtype); 133 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype, 134 int multirdn); 135 static int prompt_info(X509_REQ *req, 136 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 137 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, 138 int attribs, unsigned long chtype); 139 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk, 140 STACK_OF(CONF_VALUE) *attr, int attribs, 141 unsigned long chtype); 142 static int add_attribute_object(X509_REQ *req, char *text, const char *def, 143 char *value, int nid, int n_min, int n_max, 144 unsigned long chtype); 145 static int add_DN_object(X509_NAME *n, char *text, const char *def, 146 char *value, int nid, int n_min, int n_max, 147 unsigned long chtype, int mval); 148 static int genpkey_cb(EVP_PKEY_CTX *ctx); 149 static int req_check_len(int len, int n_min, int n_max); 150 static int check_end(const char *str, const char *end); 151 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, 152 int *pkey_type, long *pkeylen, 153 char **palgnam, ENGINE *keygen_engine); 154 #ifndef MONOLITH 155 static char *default_config_file = NULL; 156 #endif 157 static CONF *req_conf = NULL; 158 static int batch = 0; 159 160 int MAIN(int, char **); 161 162 int MAIN(int argc, char **argv) 163 { 164 ENGINE *e = NULL, *gen_eng = NULL; 165 unsigned long nmflag = 0, reqflag = 0; 166 int ex = 1, x509 = 0, days = 30; 167 X509 *x509ss = NULL; 168 X509_REQ *req = NULL; 169 EVP_PKEY_CTX *genctx = NULL; 170 const char *keyalg = NULL; 171 char *keyalgstr = NULL; 172 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL; 173 EVP_PKEY *pkey = NULL; 174 int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1; 175 long newkey = -1; 176 BIO *in = NULL, *out = NULL; 177 int informat, outformat, verify = 0, noout = 0, text = 0, keyform = 178 FORMAT_PEM; 179 int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0; 180 char *infile, *outfile, *prog, *keyfile = NULL, *template = 181 NULL, *keyout = NULL; 182 #ifndef OPENSSL_NO_ENGINE 183 char *engine = NULL; 184 #endif 185 char *extensions = NULL; 186 char *req_exts = NULL; 187 const EVP_CIPHER *cipher = NULL; 188 ASN1_INTEGER *serial = NULL; 189 int modulus = 0; 190 char *inrand = NULL; 191 char *passargin = NULL, *passargout = NULL; 192 char *passin = NULL, *passout = NULL; 193 char *p; 194 char *subj = NULL; 195 int multirdn = 0; 196 const EVP_MD *md_alg = NULL, *digest = NULL; 197 unsigned long chtype = MBSTRING_ASC; 198 #ifndef MONOLITH 199 char *to_free; 200 long errline; 201 #endif 202 203 req_conf = NULL; 204 #ifndef OPENSSL_NO_DES 205 cipher = EVP_des_ede3_cbc(); 206 #endif 207 apps_startup(); 208 209 if (bio_err == NULL) 210 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 211 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 212 213 infile = NULL; 214 outfile = NULL; 215 informat = FORMAT_PEM; 216 outformat = FORMAT_PEM; 217 218 prog = argv[0]; 219 argc--; 220 argv++; 221 while (argc >= 1) { 222 if (strcmp(*argv, "-inform") == 0) { 223 if (--argc < 1) 224 goto bad; 225 informat = str2fmt(*(++argv)); 226 } else if (strcmp(*argv, "-outform") == 0) { 227 if (--argc < 1) 228 goto bad; 229 outformat = str2fmt(*(++argv)); 230 } 231 #ifndef OPENSSL_NO_ENGINE 232 else if (strcmp(*argv, "-engine") == 0) { 233 if (--argc < 1) 234 goto bad; 235 engine = *(++argv); 236 } else if (strcmp(*argv, "-keygen_engine") == 0) { 237 if (--argc < 1) 238 goto bad; 239 gen_eng = ENGINE_by_id(*(++argv)); 240 if (gen_eng == NULL) { 241 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv); 242 goto end; 243 } 244 } 245 #endif 246 else if (strcmp(*argv, "-key") == 0) { 247 if (--argc < 1) 248 goto bad; 249 keyfile = *(++argv); 250 } else if (strcmp(*argv, "-pubkey") == 0) { 251 pubkey = 1; 252 } else if (strcmp(*argv, "-new") == 0) { 253 newreq = 1; 254 } else if (strcmp(*argv, "-config") == 0) { 255 if (--argc < 1) 256 goto bad; 257 template = *(++argv); 258 } else if (strcmp(*argv, "-keyform") == 0) { 259 if (--argc < 1) 260 goto bad; 261 keyform = str2fmt(*(++argv)); 262 } else if (strcmp(*argv, "-in") == 0) { 263 if (--argc < 1) 264 goto bad; 265 infile = *(++argv); 266 } else if (strcmp(*argv, "-out") == 0) { 267 if (--argc < 1) 268 goto bad; 269 outfile = *(++argv); 270 } else if (strcmp(*argv, "-keyout") == 0) { 271 if (--argc < 1) 272 goto bad; 273 keyout = *(++argv); 274 } else if (strcmp(*argv, "-passin") == 0) { 275 if (--argc < 1) 276 goto bad; 277 passargin = *(++argv); 278 } else if (strcmp(*argv, "-passout") == 0) { 279 if (--argc < 1) 280 goto bad; 281 passargout = *(++argv); 282 } else if (strcmp(*argv, "-rand") == 0) { 283 if (--argc < 1) 284 goto bad; 285 inrand = *(++argv); 286 } else if (strcmp(*argv, "-newkey") == 0) { 287 if (--argc < 1) 288 goto bad; 289 keyalg = *(++argv); 290 newreq = 1; 291 } else if (strcmp(*argv, "-pkeyopt") == 0) { 292 if (--argc < 1) 293 goto bad; 294 if (!pkeyopts) 295 pkeyopts = sk_OPENSSL_STRING_new_null(); 296 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv))) 297 goto bad; 298 } else if (strcmp(*argv, "-sigopt") == 0) { 299 if (--argc < 1) 300 goto bad; 301 if (!sigopts) 302 sigopts = sk_OPENSSL_STRING_new_null(); 303 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv))) 304 goto bad; 305 } else if (strcmp(*argv, "-batch") == 0) 306 batch = 1; 307 else if (strcmp(*argv, "-newhdr") == 0) 308 newhdr = 1; 309 else if (strcmp(*argv, "-modulus") == 0) 310 modulus = 1; 311 else if (strcmp(*argv, "-verify") == 0) 312 verify = 1; 313 else if (strcmp(*argv, "-nodes") == 0) 314 nodes = 1; 315 else if (strcmp(*argv, "-noout") == 0) 316 noout = 1; 317 else if (strcmp(*argv, "-verbose") == 0) 318 verbose = 1; 319 else if (strcmp(*argv, "-utf8") == 0) 320 chtype = MBSTRING_UTF8; 321 else if (strcmp(*argv, "-nameopt") == 0) { 322 if (--argc < 1) 323 goto bad; 324 if (!set_name_ex(&nmflag, *(++argv))) 325 goto bad; 326 } else if (strcmp(*argv, "-reqopt") == 0) { 327 if (--argc < 1) 328 goto bad; 329 if (!set_cert_ex(&reqflag, *(++argv))) 330 goto bad; 331 } else if (strcmp(*argv, "-subject") == 0) 332 subject = 1; 333 else if (strcmp(*argv, "-text") == 0) 334 text = 1; 335 else if (strcmp(*argv, "-x509") == 0) 336 x509 = 1; 337 else if (strcmp(*argv, "-asn1-kludge") == 0) 338 kludge = 1; 339 else if (strcmp(*argv, "-no-asn1-kludge") == 0) 340 kludge = 0; 341 else if (strcmp(*argv, "-subj") == 0) { 342 if (--argc < 1) 343 goto bad; 344 subj = *(++argv); 345 } else if (strcmp(*argv, "-multivalue-rdn") == 0) 346 multirdn = 1; 347 else if (strcmp(*argv, "-days") == 0) { 348 if (--argc < 1) 349 goto bad; 350 days = atoi(*(++argv)); 351 if (days == 0) 352 days = 30; 353 } else if (strcmp(*argv, "-set_serial") == 0) { 354 if (--argc < 1) 355 goto bad; 356 serial = s2i_ASN1_INTEGER(NULL, *(++argv)); 357 if (!serial) 358 goto bad; 359 } else if (strcmp(*argv, "-extensions") == 0) { 360 if (--argc < 1) 361 goto bad; 362 extensions = *(++argv); 363 } else if (strcmp(*argv, "-reqexts") == 0) { 364 if (--argc < 1) 365 goto bad; 366 req_exts = *(++argv); 367 } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) { 368 /* ok */ 369 digest = md_alg; 370 } else { 371 BIO_printf(bio_err, "unknown option %s\n", *argv); 372 badops = 1; 373 break; 374 } 375 argc--; 376 argv++; 377 } 378 379 if (badops) { 380 bad: 381 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 382 BIO_printf(bio_err, "where options are\n"); 383 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); 384 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); 385 BIO_printf(bio_err, " -in arg input file\n"); 386 BIO_printf(bio_err, " -out arg output file\n"); 387 BIO_printf(bio_err, " -text text form of request\n"); 388 BIO_printf(bio_err, " -pubkey output public key\n"); 389 BIO_printf(bio_err, " -noout do not output REQ\n"); 390 BIO_printf(bio_err, " -verify verify signature on REQ\n"); 391 BIO_printf(bio_err, " -modulus RSA modulus\n"); 392 BIO_printf(bio_err, " -nodes don't encrypt the output key\n"); 393 #ifndef OPENSSL_NO_ENGINE 394 BIO_printf(bio_err, 395 " -engine e use engine e, possibly a hardware device\n"); 396 #endif 397 BIO_printf(bio_err, " -subject output the request's subject\n"); 398 BIO_printf(bio_err, " -passin private key password source\n"); 399 BIO_printf(bio_err, 400 " -key file use the private key contained in file\n"); 401 BIO_printf(bio_err, " -keyform arg key file format\n"); 402 BIO_printf(bio_err, " -keyout arg file to send the key to\n"); 403 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 404 LIST_SEPARATOR_CHAR); 405 BIO_printf(bio_err, 406 " load the file (or the files in the directory) into\n"); 407 BIO_printf(bio_err, " the random number generator\n"); 408 BIO_printf(bio_err, 409 " -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 410 BIO_printf(bio_err, 411 " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 412 #ifndef OPENSSL_NO_ECDSA 413 BIO_printf(bio_err, 414 " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n"); 415 #endif 416 BIO_printf(bio_err, 417 " -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n"); 418 BIO_printf(bio_err, " -config file request template file.\n"); 419 BIO_printf(bio_err, 420 " -subj arg set or modify request subject\n"); 421 BIO_printf(bio_err, 422 " -multivalue-rdn enable support for multivalued RDNs\n"); 423 BIO_printf(bio_err, " -new new request.\n"); 424 BIO_printf(bio_err, 425 " -batch do not ask anything during request generation\n"); 426 BIO_printf(bio_err, 427 " -x509 output a x509 structure instead of a cert. req.\n"); 428 BIO_printf(bio_err, 429 " -days number of days a certificate generated by -x509 is valid for.\n"); 430 BIO_printf(bio_err, 431 " -set_serial serial number to use for a certificate generated by -x509.\n"); 432 BIO_printf(bio_err, 433 " -newhdr output \"NEW\" in the header lines\n"); 434 BIO_printf(bio_err, 435 " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 436 BIO_printf(bio_err, 437 " have been reported as requiring\n"); 438 BIO_printf(bio_err, 439 " -extensions .. specify certificate extension section (override value in config file)\n"); 440 BIO_printf(bio_err, 441 " -reqexts .. specify request extension section (override value in config file)\n"); 442 BIO_printf(bio_err, 443 " -utf8 input characters are UTF8 (default ASCII)\n"); 444 BIO_printf(bio_err, 445 " -nameopt arg - various certificate name options\n"); 446 BIO_printf(bio_err, 447 " -reqopt arg - various request text options\n\n"); 448 goto end; 449 } 450 451 ERR_load_crypto_strings(); 452 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 453 BIO_printf(bio_err, "Error getting passwords\n"); 454 goto end; 455 } 456 #ifndef MONOLITH /* else this has happened in openssl.c 457 * (global `config') */ 458 /* Lets load up our environment a little */ 459 p = getenv("OPENSSL_CONF"); 460 if (p == NULL) 461 p = getenv("SSLEAY_CONF"); 462 if (p == NULL) 463 p = to_free = make_config_name(); 464 default_config_file = p; 465 config = NCONF_new(NULL); 466 i = NCONF_load(config, p, &errline); 467 #endif 468 469 if (template != NULL) { 470 long errline = -1; 471 472 if (verbose) 473 BIO_printf(bio_err, "Using configuration from %s\n", template); 474 req_conf = NCONF_new(NULL); 475 i = NCONF_load(req_conf, template, &errline); 476 if (i == 0) { 477 BIO_printf(bio_err, "error on line %ld of %s\n", errline, 478 template); 479 goto end; 480 } 481 } else { 482 req_conf = config; 483 484 if (req_conf == NULL) { 485 BIO_printf(bio_err, "Unable to load config info from %s\n", 486 default_config_file); 487 if (newreq) 488 goto end; 489 } else if (verbose) 490 BIO_printf(bio_err, "Using configuration from %s\n", 491 default_config_file); 492 } 493 494 if (req_conf != NULL) { 495 if (!load_config(bio_err, req_conf)) 496 goto end; 497 p = NCONF_get_string(req_conf, NULL, "oid_file"); 498 if (p == NULL) 499 ERR_clear_error(); 500 if (p != NULL) { 501 BIO *oid_bio; 502 503 oid_bio = BIO_new_file(p, "r"); 504 if (oid_bio == NULL) { 505 /*- 506 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 507 ERR_print_errors(bio_err); 508 */ 509 } else { 510 OBJ_create_objects(oid_bio); 511 BIO_free(oid_bio); 512 } 513 } 514 } 515 if (!add_oid_section(bio_err, req_conf)) 516 goto end; 517 518 if (md_alg == NULL) { 519 p = NCONF_get_string(req_conf, SECTION, "default_md"); 520 if (p == NULL) 521 ERR_clear_error(); 522 if (p != NULL) { 523 if ((md_alg = EVP_get_digestbyname(p)) != NULL) 524 digest = md_alg; 525 } 526 } 527 528 if (!extensions) { 529 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 530 if (!extensions) 531 ERR_clear_error(); 532 } 533 if (extensions) { 534 /* Check syntax of file */ 535 X509V3_CTX ctx; 536 X509V3_set_ctx_test(&ctx); 537 X509V3_set_nconf(&ctx, req_conf); 538 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) { 539 BIO_printf(bio_err, 540 "Error Loading extension section %s\n", extensions); 541 goto end; 542 } 543 } 544 545 if (!passin) { 546 passin = NCONF_get_string(req_conf, SECTION, "input_password"); 547 if (!passin) 548 ERR_clear_error(); 549 } 550 551 if (!passout) { 552 passout = NCONF_get_string(req_conf, SECTION, "output_password"); 553 if (!passout) 554 ERR_clear_error(); 555 } 556 557 p = NCONF_get_string(req_conf, SECTION, STRING_MASK); 558 if (!p) 559 ERR_clear_error(); 560 561 if (p && !ASN1_STRING_set_default_mask_asc(p)) { 562 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 563 goto end; 564 } 565 566 if (chtype != MBSTRING_UTF8) { 567 p = NCONF_get_string(req_conf, SECTION, UTF8_IN); 568 if (!p) 569 ERR_clear_error(); 570 else if (!strcmp(p, "yes")) 571 chtype = MBSTRING_UTF8; 572 } 573 574 if (!req_exts) { 575 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 576 if (!req_exts) 577 ERR_clear_error(); 578 } 579 if (req_exts) { 580 /* Check syntax of file */ 581 X509V3_CTX ctx; 582 X509V3_set_ctx_test(&ctx); 583 X509V3_set_nconf(&ctx, req_conf); 584 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) { 585 BIO_printf(bio_err, 586 "Error Loading request extension section %s\n", 587 req_exts); 588 goto end; 589 } 590 } 591 592 in = BIO_new(BIO_s_file()); 593 out = BIO_new(BIO_s_file()); 594 if ((in == NULL) || (out == NULL)) 595 goto end; 596 597 #ifndef OPENSSL_NO_ENGINE 598 e = setup_engine(bio_err, engine, 0); 599 #endif 600 601 if (keyfile != NULL) { 602 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e, 603 "Private Key"); 604 if (!pkey) { 605 /* 606 * load_key() has already printed an appropriate message 607 */ 608 goto end; 609 } else { 610 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE"); 611 if (randfile == NULL) 612 ERR_clear_error(); 613 app_RAND_load_file(randfile, bio_err, 0); 614 } 615 } 616 617 if (newreq && (pkey == NULL)) { 618 char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE"); 619 if (randfile == NULL) 620 ERR_clear_error(); 621 app_RAND_load_file(randfile, bio_err, 0); 622 if (inrand) 623 app_RAND_load_files(inrand); 624 625 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) { 626 newkey = DEFAULT_KEY_LENGTH; 627 } 628 629 if (keyalg) { 630 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey, 631 &keyalgstr, gen_eng); 632 if (!genctx) 633 goto end; 634 } 635 636 if (newkey < MIN_KEY_LENGTH 637 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) { 638 BIO_printf(bio_err, "private key length is too short,\n"); 639 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", 640 MIN_KEY_LENGTH, newkey); 641 goto end; 642 } 643 644 if (!genctx) { 645 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey, 646 &keyalgstr, gen_eng); 647 if (!genctx) 648 goto end; 649 } 650 651 if (pkeyopts) { 652 char *genopt; 653 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) { 654 genopt = sk_OPENSSL_STRING_value(pkeyopts, i); 655 if (pkey_ctrl_string(genctx, genopt) <= 0) { 656 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt); 657 ERR_print_errors(bio_err); 658 goto end; 659 } 660 } 661 } 662 663 BIO_printf(bio_err, "Generating a %ld bit %s private key\n", 664 newkey, keyalgstr); 665 666 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); 667 EVP_PKEY_CTX_set_app_data(genctx, bio_err); 668 669 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) { 670 BIO_puts(bio_err, "Error Generating Key\n"); 671 goto end; 672 } 673 674 EVP_PKEY_CTX_free(genctx); 675 genctx = NULL; 676 677 app_RAND_write_file(randfile, bio_err); 678 679 if (keyout == NULL) { 680 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE); 681 if (keyout == NULL) 682 ERR_clear_error(); 683 } 684 685 if (keyout == NULL) { 686 BIO_printf(bio_err, "writing new private key to stdout\n"); 687 BIO_set_fp(out, stdout, BIO_NOCLOSE); 688 #ifdef OPENSSL_SYS_VMS 689 { 690 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 691 out = BIO_push(tmpbio, out); 692 } 693 #endif 694 } else { 695 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout); 696 if (BIO_write_filename(out, keyout) <= 0) { 697 perror(keyout); 698 goto end; 699 } 700 } 701 702 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key"); 703 if (p == NULL) { 704 ERR_clear_error(); 705 p = NCONF_get_string(req_conf, SECTION, "encrypt_key"); 706 if (p == NULL) 707 ERR_clear_error(); 708 } 709 if ((p != NULL) && (strcmp(p, "no") == 0)) 710 cipher = NULL; 711 if (nodes) 712 cipher = NULL; 713 714 i = 0; 715 loop: 716 if (!PEM_write_bio_PrivateKey(out, pkey, cipher, 717 NULL, 0, NULL, passout)) { 718 if ((ERR_GET_REASON(ERR_peek_error()) == 719 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) { 720 ERR_clear_error(); 721 i++; 722 goto loop; 723 } 724 goto end; 725 } 726 BIO_printf(bio_err, "-----\n"); 727 } 728 729 if (!newreq) { 730 /* 731 * Since we are using a pre-existing certificate request, the kludge 732 * 'format' info should not be changed. 733 */ 734 kludge = -1; 735 if (infile == NULL) 736 BIO_set_fp(in, stdin, BIO_NOCLOSE); 737 else { 738 if (BIO_read_filename(in, infile) <= 0) { 739 perror(infile); 740 goto end; 741 } 742 } 743 744 if (informat == FORMAT_ASN1) 745 req = d2i_X509_REQ_bio(in, NULL); 746 else if (informat == FORMAT_PEM) 747 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 748 else { 749 BIO_printf(bio_err, 750 "bad input format specified for X509 request\n"); 751 goto end; 752 } 753 if (req == NULL) { 754 BIO_printf(bio_err, "unable to load X509 request\n"); 755 goto end; 756 } 757 } 758 759 if (newreq || x509) { 760 if (pkey == NULL) { 761 BIO_printf(bio_err, "you need to specify a private key\n"); 762 goto end; 763 } 764 765 if (req == NULL) { 766 req = X509_REQ_new(); 767 if (req == NULL) { 768 goto end; 769 } 770 771 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype); 772 subj = NULL; /* done processing '-subj' option */ 773 if ((kludge > 0) 774 && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) { 775 sk_X509_ATTRIBUTE_free(req->req_info->attributes); 776 req->req_info->attributes = NULL; 777 } 778 if (!i) { 779 BIO_printf(bio_err, "problems making Certificate Request\n"); 780 goto end; 781 } 782 } 783 if (x509) { 784 EVP_PKEY *tmppkey; 785 X509V3_CTX ext_ctx; 786 if ((x509ss = X509_new()) == NULL) 787 goto end; 788 789 /* Set version to V3 */ 790 if (extensions && !X509_set_version(x509ss, 2)) 791 goto end; 792 if (serial) { 793 if (!X509_set_serialNumber(x509ss, serial)) 794 goto end; 795 } else { 796 if (!rand_serial(NULL, X509_get_serialNumber(x509ss))) 797 goto end; 798 } 799 800 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) 801 goto end; 802 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0)) 803 goto end; 804 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) 805 goto end; 806 if (!X509_set_subject_name 807 (x509ss, X509_REQ_get_subject_name(req))) 808 goto end; 809 tmppkey = X509_REQ_get_pubkey(req); 810 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey)) 811 goto end; 812 EVP_PKEY_free(tmppkey); 813 814 /* Set up V3 context struct */ 815 816 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 817 X509V3_set_nconf(&ext_ctx, req_conf); 818 819 /* Add extensions */ 820 if (extensions && !X509V3_EXT_add_nconf(req_conf, 821 &ext_ctx, extensions, 822 x509ss)) { 823 BIO_printf(bio_err, "Error Loading extension section %s\n", 824 extensions); 825 goto end; 826 } 827 828 i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts); 829 if (!i) { 830 ERR_print_errors(bio_err); 831 goto end; 832 } 833 } else { 834 X509V3_CTX ext_ctx; 835 836 /* Set up V3 context struct */ 837 838 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 839 X509V3_set_nconf(&ext_ctx, req_conf); 840 841 /* Add extensions */ 842 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 843 &ext_ctx, req_exts, 844 req)) { 845 BIO_printf(bio_err, "Error Loading extension section %s\n", 846 req_exts); 847 goto end; 848 } 849 i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts); 850 if (!i) { 851 ERR_print_errors(bio_err); 852 goto end; 853 } 854 } 855 } 856 857 if (subj && x509) { 858 BIO_printf(bio_err, "Cannot modifiy certificate subject\n"); 859 goto end; 860 } 861 862 if (subj && !x509) { 863 if (verbose) { 864 BIO_printf(bio_err, "Modifying Request's Subject\n"); 865 print_name(bio_err, "old subject=", 866 X509_REQ_get_subject_name(req), nmflag); 867 } 868 869 if (build_subject(req, subj, chtype, multirdn) == 0) { 870 BIO_printf(bio_err, "ERROR: cannot modify subject\n"); 871 ex = 1; 872 goto end; 873 } 874 875 req->req_info->enc.modified = 1; 876 877 if (verbose) { 878 print_name(bio_err, "new subject=", 879 X509_REQ_get_subject_name(req), nmflag); 880 } 881 } 882 883 if (verify && !x509) { 884 int tmp = 0; 885 886 if (pkey == NULL) { 887 pkey = X509_REQ_get_pubkey(req); 888 tmp = 1; 889 if (pkey == NULL) 890 goto end; 891 } 892 893 i = X509_REQ_verify(req, pkey); 894 if (tmp) { 895 EVP_PKEY_free(pkey); 896 pkey = NULL; 897 } 898 899 if (i < 0) { 900 goto end; 901 } else if (i == 0) { 902 BIO_printf(bio_err, "verify failure\n"); 903 ERR_print_errors(bio_err); 904 } else /* if (i > 0) */ 905 BIO_printf(bio_err, "verify OK\n"); 906 } 907 908 if (noout && !text && !modulus && !subject && !pubkey) { 909 ex = 0; 910 goto end; 911 } 912 913 if (outfile == NULL) { 914 BIO_set_fp(out, stdout, BIO_NOCLOSE); 915 #ifdef OPENSSL_SYS_VMS 916 { 917 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 918 out = BIO_push(tmpbio, out); 919 } 920 #endif 921 } else { 922 if ((keyout != NULL) && (strcmp(outfile, keyout) == 0)) 923 i = (int)BIO_append_filename(out, outfile); 924 else 925 i = (int)BIO_write_filename(out, outfile); 926 if (!i) { 927 perror(outfile); 928 goto end; 929 } 930 } 931 932 if (pubkey) { 933 EVP_PKEY *tpubkey; 934 tpubkey = X509_REQ_get_pubkey(req); 935 if (tpubkey == NULL) { 936 BIO_printf(bio_err, "Error getting public key\n"); 937 ERR_print_errors(bio_err); 938 goto end; 939 } 940 PEM_write_bio_PUBKEY(out, tpubkey); 941 EVP_PKEY_free(tpubkey); 942 } 943 944 if (text) { 945 if (x509) 946 X509_print_ex(out, x509ss, nmflag, reqflag); 947 else 948 X509_REQ_print_ex(out, req, nmflag, reqflag); 949 } 950 951 if (subject) { 952 if (x509) 953 print_name(out, "subject=", X509_get_subject_name(x509ss), 954 nmflag); 955 else 956 print_name(out, "subject=", X509_REQ_get_subject_name(req), 957 nmflag); 958 } 959 960 if (modulus) { 961 EVP_PKEY *tpubkey; 962 963 if (x509) 964 tpubkey = X509_get_pubkey(x509ss); 965 else 966 tpubkey = X509_REQ_get_pubkey(req); 967 if (tpubkey == NULL) { 968 fprintf(stdout, "Modulus=unavailable\n"); 969 goto end; 970 } 971 fprintf(stdout, "Modulus="); 972 #ifndef OPENSSL_NO_RSA 973 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) 974 BN_print(out, tpubkey->pkey.rsa->n); 975 else 976 #endif 977 fprintf(stdout, "Wrong Algorithm type"); 978 EVP_PKEY_free(tpubkey); 979 fprintf(stdout, "\n"); 980 } 981 982 if (!noout && !x509) { 983 if (outformat == FORMAT_ASN1) 984 i = i2d_X509_REQ_bio(out, req); 985 else if (outformat == FORMAT_PEM) { 986 if (newhdr) 987 i = PEM_write_bio_X509_REQ_NEW(out, req); 988 else 989 i = PEM_write_bio_X509_REQ(out, req); 990 } else { 991 BIO_printf(bio_err, "bad output format specified for outfile\n"); 992 goto end; 993 } 994 if (!i) { 995 BIO_printf(bio_err, "unable to write X509 request\n"); 996 goto end; 997 } 998 } 999 if (!noout && x509 && (x509ss != NULL)) { 1000 if (outformat == FORMAT_ASN1) 1001 i = i2d_X509_bio(out, x509ss); 1002 else if (outformat == FORMAT_PEM) 1003 i = PEM_write_bio_X509(out, x509ss); 1004 else { 1005 BIO_printf(bio_err, "bad output format specified for outfile\n"); 1006 goto end; 1007 } 1008 if (!i) { 1009 BIO_printf(bio_err, "unable to write X509 certificate\n"); 1010 goto end; 1011 } 1012 } 1013 ex = 0; 1014 end: 1015 #ifndef MONOLITH 1016 if (to_free) 1017 OPENSSL_free(to_free); 1018 #endif 1019 if (ex) { 1020 ERR_print_errors(bio_err); 1021 } 1022 if ((req_conf != NULL) && (req_conf != config)) 1023 NCONF_free(req_conf); 1024 BIO_free(in); 1025 BIO_free_all(out); 1026 EVP_PKEY_free(pkey); 1027 if (genctx) 1028 EVP_PKEY_CTX_free(genctx); 1029 if (pkeyopts) 1030 sk_OPENSSL_STRING_free(pkeyopts); 1031 if (sigopts) 1032 sk_OPENSSL_STRING_free(sigopts); 1033 #ifndef OPENSSL_NO_ENGINE 1034 if (gen_eng) 1035 ENGINE_free(gen_eng); 1036 #endif 1037 if (keyalgstr) 1038 OPENSSL_free(keyalgstr); 1039 X509_REQ_free(req); 1040 X509_free(x509ss); 1041 ASN1_INTEGER_free(serial); 1042 if (passargin && passin) 1043 OPENSSL_free(passin); 1044 if (passargout && passout) 1045 OPENSSL_free(passout); 1046 OBJ_cleanup(); 1047 apps_shutdown(); 1048 OPENSSL_EXIT(ex); 1049 } 1050 1051 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, 1052 int attribs, unsigned long chtype) 1053 { 1054 int ret = 0, i; 1055 char no_prompt = 0; 1056 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 1057 char *tmp, *dn_sect, *attr_sect; 1058 1059 tmp = NCONF_get_string(req_conf, SECTION, PROMPT); 1060 if (tmp == NULL) 1061 ERR_clear_error(); 1062 if ((tmp != NULL) && !strcmp(tmp, "no")) 1063 no_prompt = 1; 1064 1065 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME); 1066 if (dn_sect == NULL) { 1067 BIO_printf(bio_err, "unable to find '%s' in config\n", 1068 DISTINGUISHED_NAME); 1069 goto err; 1070 } 1071 dn_sk = NCONF_get_section(req_conf, dn_sect); 1072 if (dn_sk == NULL) { 1073 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect); 1074 goto err; 1075 } 1076 1077 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES); 1078 if (attr_sect == NULL) { 1079 ERR_clear_error(); 1080 attr_sk = NULL; 1081 } else { 1082 attr_sk = NCONF_get_section(req_conf, attr_sect); 1083 if (attr_sk == NULL) { 1084 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect); 1085 goto err; 1086 } 1087 } 1088 1089 /* setup version number */ 1090 if (!X509_REQ_set_version(req, 0L)) 1091 goto err; /* version 1 */ 1092 1093 if (no_prompt) 1094 i = auto_info(req, dn_sk, attr_sk, attribs, chtype); 1095 else { 1096 if (subj) 1097 i = build_subject(req, subj, chtype, multirdn); 1098 else 1099 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, 1100 chtype); 1101 } 1102 if (!i) 1103 goto err; 1104 1105 if (!X509_REQ_set_pubkey(req, pkey)) 1106 goto err; 1107 1108 ret = 1; 1109 err: 1110 return (ret); 1111 } 1112 1113 /* 1114 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1115 * where characters may be escaped by \ 1116 */ 1117 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, 1118 int multirdn) 1119 { 1120 X509_NAME *n; 1121 1122 if (!(n = parse_name(subject, chtype, multirdn))) 1123 return 0; 1124 1125 if (!X509_REQ_set_subject_name(req, n)) { 1126 X509_NAME_free(n); 1127 return 0; 1128 } 1129 X509_NAME_free(n); 1130 return 1; 1131 } 1132 1133 static int prompt_info(X509_REQ *req, 1134 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 1135 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, 1136 int attribs, unsigned long chtype) 1137 { 1138 int i; 1139 char *p, *q; 1140 char buf[100]; 1141 int nid, mval; 1142 long n_min, n_max; 1143 char *type, *value; 1144 const char *def; 1145 CONF_VALUE *v; 1146 X509_NAME *subj; 1147 subj = X509_REQ_get_subject_name(req); 1148 1149 if (!batch) { 1150 BIO_printf(bio_err, 1151 "You are about to be asked to enter information that will be incorporated\n"); 1152 BIO_printf(bio_err, "into your certificate request.\n"); 1153 BIO_printf(bio_err, 1154 "What you are about to enter is what is called a Distinguished Name or a DN.\n"); 1155 BIO_printf(bio_err, 1156 "There are quite a few fields but you can leave some blank\n"); 1157 BIO_printf(bio_err, 1158 "For some fields there will be a default value,\n"); 1159 BIO_printf(bio_err, 1160 "If you enter '.', the field will be left blank.\n"); 1161 BIO_printf(bio_err, "-----\n"); 1162 } 1163 1164 if (sk_CONF_VALUE_num(dn_sk)) { 1165 i = -1; 1166 start:for (;;) { 1167 i++; 1168 if (sk_CONF_VALUE_num(dn_sk) <= i) 1169 break; 1170 1171 v = sk_CONF_VALUE_value(dn_sk, i); 1172 p = q = NULL; 1173 type = v->name; 1174 if (!check_end(type, "_min") || !check_end(type, "_max") || 1175 !check_end(type, "_default") || !check_end(type, "_value")) 1176 continue; 1177 /* 1178 * Skip past any leading X. X: X, etc to allow for multiple 1179 * instances 1180 */ 1181 for (p = v->name; *p; p++) 1182 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1183 p++; 1184 if (*p) 1185 type = p; 1186 break; 1187 } 1188 if (*type == '+') { 1189 mval = -1; 1190 type++; 1191 } else 1192 mval = 0; 1193 /* If OBJ not recognised ignore it */ 1194 if ((nid = OBJ_txt2nid(type)) == NID_undef) 1195 goto start; 1196 if (BIO_snprintf(buf, sizeof buf, "%s_default", v->name) 1197 >= (int)sizeof(buf)) { 1198 BIO_printf(bio_err, "Name '%s' too long\n", v->name); 1199 return 0; 1200 } 1201 1202 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { 1203 ERR_clear_error(); 1204 def = ""; 1205 } 1206 1207 BIO_snprintf(buf, sizeof buf, "%s_value", v->name); 1208 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { 1209 ERR_clear_error(); 1210 value = NULL; 1211 } 1212 1213 BIO_snprintf(buf, sizeof buf, "%s_min", v->name); 1214 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) { 1215 ERR_clear_error(); 1216 n_min = -1; 1217 } 1218 1219 BIO_snprintf(buf, sizeof buf, "%s_max", v->name); 1220 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) { 1221 ERR_clear_error(); 1222 n_max = -1; 1223 } 1224 1225 if (!add_DN_object(subj, v->value, def, value, nid, 1226 n_min, n_max, chtype, mval)) 1227 return 0; 1228 } 1229 if (X509_NAME_entry_count(subj) == 0) { 1230 BIO_printf(bio_err, 1231 "error, no objects specified in config file\n"); 1232 return 0; 1233 } 1234 1235 if (attribs) { 1236 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) 1237 && (!batch)) { 1238 BIO_printf(bio_err, 1239 "\nPlease enter the following 'extra' attributes\n"); 1240 BIO_printf(bio_err, 1241 "to be sent with your certificate request\n"); 1242 } 1243 1244 i = -1; 1245 start2: for (;;) { 1246 i++; 1247 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i)) 1248 break; 1249 1250 v = sk_CONF_VALUE_value(attr_sk, i); 1251 type = v->name; 1252 if ((nid = OBJ_txt2nid(type)) == NID_undef) 1253 goto start2; 1254 1255 if (BIO_snprintf(buf, sizeof buf, "%s_default", type) 1256 >= (int)sizeof(buf)) { 1257 BIO_printf(bio_err, "Name '%s' too long\n", v->name); 1258 return 0; 1259 } 1260 1261 if ((def = NCONF_get_string(req_conf, attr_sect, buf)) 1262 == NULL) { 1263 ERR_clear_error(); 1264 def = ""; 1265 } 1266 1267 BIO_snprintf(buf, sizeof buf, "%s_value", type); 1268 if ((value = NCONF_get_string(req_conf, attr_sect, buf)) 1269 == NULL) { 1270 ERR_clear_error(); 1271 value = NULL; 1272 } 1273 1274 BIO_snprintf(buf, sizeof buf, "%s_min", type); 1275 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) { 1276 ERR_clear_error(); 1277 n_min = -1; 1278 } 1279 1280 BIO_snprintf(buf, sizeof buf, "%s_max", type); 1281 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) { 1282 ERR_clear_error(); 1283 n_max = -1; 1284 } 1285 1286 if (!add_attribute_object(req, 1287 v->value, def, value, nid, n_min, 1288 n_max, chtype)) 1289 return 0; 1290 } 1291 } 1292 } else { 1293 BIO_printf(bio_err, "No template, please set one up.\n"); 1294 return 0; 1295 } 1296 1297 return 1; 1298 1299 } 1300 1301 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1302 STACK_OF(CONF_VALUE) *attr_sk, int attribs, 1303 unsigned long chtype) 1304 { 1305 int i; 1306 char *p, *q; 1307 char *type; 1308 CONF_VALUE *v; 1309 X509_NAME *subj; 1310 1311 subj = X509_REQ_get_subject_name(req); 1312 1313 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) { 1314 int mval; 1315 v = sk_CONF_VALUE_value(dn_sk, i); 1316 p = q = NULL; 1317 type = v->name; 1318 /* 1319 * Skip past any leading X. X: X, etc to allow for multiple instances 1320 */ 1321 for (p = v->name; *p; p++) 1322 #ifndef CHARSET_EBCDIC 1323 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1324 #else 1325 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) 1326 || (*p == os_toascii['.'])) { 1327 #endif 1328 p++; 1329 if (*p) 1330 type = p; 1331 break; 1332 } 1333 #ifndef CHARSET_EBCDIC 1334 if (*p == '+') 1335 #else 1336 if (*p == os_toascii['+']) 1337 #endif 1338 { 1339 p++; 1340 mval = -1; 1341 } else 1342 mval = 0; 1343 if (!X509_NAME_add_entry_by_txt(subj, type, chtype, 1344 (unsigned char *)v->value, -1, -1, 1345 mval)) 1346 return 0; 1347 1348 } 1349 1350 if (!X509_NAME_entry_count(subj)) { 1351 BIO_printf(bio_err, "error, no objects specified in config file\n"); 1352 return 0; 1353 } 1354 if (attribs) { 1355 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) { 1356 v = sk_CONF_VALUE_value(attr_sk, i); 1357 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype, 1358 (unsigned char *)v->value, -1)) 1359 return 0; 1360 } 1361 } 1362 return 1; 1363 } 1364 1365 static int add_DN_object(X509_NAME *n, char *text, const char *def, 1366 char *value, int nid, int n_min, int n_max, 1367 unsigned long chtype, int mval) 1368 { 1369 int i, ret = 0; 1370 MS_STATIC char buf[1024]; 1371 start: 1372 if (!batch) 1373 BIO_printf(bio_err, "%s [%s]:", text, def); 1374 (void)BIO_flush(bio_err); 1375 if (value != NULL) { 1376 BUF_strlcpy(buf, value, sizeof buf); 1377 BUF_strlcat(buf, "\n", sizeof buf); 1378 BIO_printf(bio_err, "%s\n", value); 1379 } else { 1380 buf[0] = '\0'; 1381 if (!batch) { 1382 if (!fgets(buf, sizeof buf, stdin)) 1383 return 0; 1384 } else { 1385 buf[0] = '\n'; 1386 buf[1] = '\0'; 1387 } 1388 } 1389 1390 if (buf[0] == '\0') 1391 return (0); 1392 else if (buf[0] == '\n') { 1393 if ((def == NULL) || (def[0] == '\0')) 1394 return (1); 1395 BUF_strlcpy(buf, def, sizeof buf); 1396 BUF_strlcat(buf, "\n", sizeof buf); 1397 } else if ((buf[0] == '.') && (buf[1] == '\n')) 1398 return (1); 1399 1400 i = strlen(buf); 1401 if (buf[i - 1] != '\n') { 1402 BIO_printf(bio_err, "weird input :-(\n"); 1403 return (0); 1404 } 1405 buf[--i] = '\0'; 1406 #ifdef CHARSET_EBCDIC 1407 ebcdic2ascii(buf, buf, i); 1408 #endif 1409 if (!req_check_len(i, n_min, n_max)) { 1410 if (batch || value) 1411 return 0; 1412 goto start; 1413 } 1414 1415 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1416 (unsigned char *)buf, -1, -1, mval)) 1417 goto err; 1418 ret = 1; 1419 err: 1420 return (ret); 1421 } 1422 1423 static int add_attribute_object(X509_REQ *req, char *text, const char *def, 1424 char *value, int nid, int n_min, 1425 int n_max, unsigned long chtype) 1426 { 1427 int i; 1428 static char buf[1024]; 1429 1430 start: 1431 if (!batch) 1432 BIO_printf(bio_err, "%s [%s]:", text, def); 1433 (void)BIO_flush(bio_err); 1434 if (value != NULL) { 1435 BUF_strlcpy(buf, value, sizeof buf); 1436 BUF_strlcat(buf, "\n", sizeof buf); 1437 BIO_printf(bio_err, "%s\n", value); 1438 } else { 1439 buf[0] = '\0'; 1440 if (!batch) { 1441 if (!fgets(buf, sizeof buf, stdin)) 1442 return 0; 1443 } else { 1444 buf[0] = '\n'; 1445 buf[1] = '\0'; 1446 } 1447 } 1448 1449 if (buf[0] == '\0') 1450 return (0); 1451 else if (buf[0] == '\n') { 1452 if ((def == NULL) || (def[0] == '\0')) 1453 return (1); 1454 BUF_strlcpy(buf, def, sizeof buf); 1455 BUF_strlcat(buf, "\n", sizeof buf); 1456 } else if ((buf[0] == '.') && (buf[1] == '\n')) 1457 return (1); 1458 1459 i = strlen(buf); 1460 if (buf[i - 1] != '\n') { 1461 BIO_printf(bio_err, "weird input :-(\n"); 1462 return (0); 1463 } 1464 buf[--i] = '\0'; 1465 #ifdef CHARSET_EBCDIC 1466 ebcdic2ascii(buf, buf, i); 1467 #endif 1468 if (!req_check_len(i, n_min, n_max)) { 1469 if (batch || value) 1470 return 0; 1471 goto start; 1472 } 1473 1474 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype, 1475 (unsigned char *)buf, -1)) { 1476 BIO_printf(bio_err, "Error adding attribute\n"); 1477 ERR_print_errors(bio_err); 1478 goto err; 1479 } 1480 1481 return (1); 1482 err: 1483 return (0); 1484 } 1485 1486 static int req_check_len(int len, int n_min, int n_max) 1487 { 1488 if ((n_min > 0) && (len < n_min)) { 1489 BIO_printf(bio_err, 1490 "string is too short, it needs to be at least %d bytes long\n", 1491 n_min); 1492 return (0); 1493 } 1494 if ((n_max >= 0) && (len > n_max)) { 1495 BIO_printf(bio_err, 1496 "string is too long, it needs to be less than %d bytes long\n", 1497 n_max); 1498 return (0); 1499 } 1500 return (1); 1501 } 1502 1503 /* Check if the end of a string matches 'end' */ 1504 static int check_end(const char *str, const char *end) 1505 { 1506 int elen, slen; 1507 const char *tmp; 1508 elen = strlen(end); 1509 slen = strlen(str); 1510 if (elen > slen) 1511 return 1; 1512 tmp = str + slen - elen; 1513 return strcmp(tmp, end); 1514 } 1515 1516 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, 1517 int *pkey_type, long *pkeylen, 1518 char **palgnam, ENGINE *keygen_engine) 1519 { 1520 EVP_PKEY_CTX *gctx = NULL; 1521 EVP_PKEY *param = NULL; 1522 long keylen = -1; 1523 BIO *pbio = NULL; 1524 const char *paramfile = NULL; 1525 1526 if (gstr == NULL) { 1527 *pkey_type = EVP_PKEY_RSA; 1528 keylen = *pkeylen; 1529 } else if (gstr[0] >= '0' && gstr[0] <= '9') { 1530 *pkey_type = EVP_PKEY_RSA; 1531 keylen = atol(gstr); 1532 *pkeylen = keylen; 1533 } else if (!strncmp(gstr, "param:", 6)) 1534 paramfile = gstr + 6; 1535 else { 1536 const char *p = strchr(gstr, ':'); 1537 int len; 1538 ENGINE *tmpeng; 1539 const EVP_PKEY_ASN1_METHOD *ameth; 1540 1541 if (p) 1542 len = p - gstr; 1543 else 1544 len = strlen(gstr); 1545 /* 1546 * The lookup of a the string will cover all engines so keep a note 1547 * of the implementation. 1548 */ 1549 1550 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len); 1551 1552 if (!ameth) { 1553 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); 1554 return NULL; 1555 } 1556 1557 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth); 1558 #ifndef OPENSSL_NO_ENGINE 1559 if (tmpeng) 1560 ENGINE_finish(tmpeng); 1561 #endif 1562 if (*pkey_type == EVP_PKEY_RSA) { 1563 if (p) { 1564 keylen = atol(p + 1); 1565 *pkeylen = keylen; 1566 } else 1567 keylen = *pkeylen; 1568 } else if (p) 1569 paramfile = p + 1; 1570 } 1571 1572 if (paramfile) { 1573 pbio = BIO_new_file(paramfile, "r"); 1574 if (!pbio) { 1575 BIO_printf(err, "Can't open parameter file %s\n", paramfile); 1576 return NULL; 1577 } 1578 param = PEM_read_bio_Parameters(pbio, NULL); 1579 1580 if (!param) { 1581 X509 *x; 1582 (void)BIO_reset(pbio); 1583 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); 1584 if (x) { 1585 param = X509_get_pubkey(x); 1586 X509_free(x); 1587 } 1588 } 1589 1590 BIO_free(pbio); 1591 1592 if (!param) { 1593 BIO_printf(err, "Error reading parameter file %s\n", paramfile); 1594 return NULL; 1595 } 1596 if (*pkey_type == -1) 1597 *pkey_type = EVP_PKEY_id(param); 1598 else if (*pkey_type != EVP_PKEY_base_id(param)) { 1599 BIO_printf(err, "Key Type does not match parameters\n"); 1600 EVP_PKEY_free(param); 1601 return NULL; 1602 } 1603 } 1604 1605 if (palgnam) { 1606 const EVP_PKEY_ASN1_METHOD *ameth; 1607 ENGINE *tmpeng; 1608 const char *anam; 1609 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type); 1610 if (!ameth) { 1611 BIO_puts(err, "Internal error: can't find key algorithm\n"); 1612 return NULL; 1613 } 1614 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); 1615 *palgnam = BUF_strdup(anam); 1616 #ifndef OPENSSL_NO_ENGINE 1617 if (tmpeng) 1618 ENGINE_finish(tmpeng); 1619 #endif 1620 } 1621 1622 if (param) { 1623 gctx = EVP_PKEY_CTX_new(param, keygen_engine); 1624 *pkeylen = EVP_PKEY_bits(param); 1625 EVP_PKEY_free(param); 1626 } else 1627 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine); 1628 1629 if (!gctx) { 1630 BIO_puts(err, "Error allocating keygen context\n"); 1631 ERR_print_errors(err); 1632 return NULL; 1633 } 1634 1635 if (EVP_PKEY_keygen_init(gctx) <= 0) { 1636 BIO_puts(err, "Error initializing keygen context\n"); 1637 ERR_print_errors(err); 1638 return NULL; 1639 } 1640 #ifndef OPENSSL_NO_RSA 1641 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) { 1642 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) { 1643 BIO_puts(err, "Error setting RSA keysize\n"); 1644 ERR_print_errors(err); 1645 EVP_PKEY_CTX_free(gctx); 1646 return NULL; 1647 } 1648 } 1649 #endif 1650 1651 return gctx; 1652 } 1653 1654 static int genpkey_cb(EVP_PKEY_CTX *ctx) 1655 { 1656 char c = '*'; 1657 BIO *b = EVP_PKEY_CTX_get_app_data(ctx); 1658 int p; 1659 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); 1660 if (p == 0) 1661 c = '.'; 1662 if (p == 1) 1663 c = '+'; 1664 if (p == 2) 1665 c = '*'; 1666 if (p == 3) 1667 c = '\n'; 1668 BIO_write(b, &c, 1); 1669 (void)BIO_flush(b); 1670 #ifdef LINT 1671 p = n; 1672 #endif 1673 return 1; 1674 } 1675 1676 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey, 1677 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts) 1678 { 1679 EVP_PKEY_CTX *pkctx = NULL; 1680 int i; 1681 EVP_MD_CTX_init(ctx); 1682 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)) 1683 return 0; 1684 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { 1685 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); 1686 if (pkey_ctrl_string(pkctx, sigopt) <= 0) { 1687 BIO_printf(err, "parameter error \"%s\"\n", sigopt); 1688 ERR_print_errors(bio_err); 1689 return 0; 1690 } 1691 } 1692 return 1; 1693 } 1694 1695 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md, 1696 STACK_OF(OPENSSL_STRING) *sigopts) 1697 { 1698 int rv; 1699 EVP_MD_CTX mctx; 1700 EVP_MD_CTX_init(&mctx); 1701 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1702 if (rv > 0) 1703 rv = X509_sign_ctx(x, &mctx); 1704 EVP_MD_CTX_cleanup(&mctx); 1705 return rv > 0 ? 1 : 0; 1706 } 1707 1708 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md, 1709 STACK_OF(OPENSSL_STRING) *sigopts) 1710 { 1711 int rv; 1712 EVP_MD_CTX mctx; 1713 EVP_MD_CTX_init(&mctx); 1714 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1715 if (rv > 0) 1716 rv = X509_REQ_sign_ctx(x, &mctx); 1717 EVP_MD_CTX_cleanup(&mctx); 1718 return rv > 0 ? 1 : 0; 1719 } 1720 1721 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md, 1722 STACK_OF(OPENSSL_STRING) *sigopts) 1723 { 1724 int rv; 1725 EVP_MD_CTX mctx; 1726 EVP_MD_CTX_init(&mctx); 1727 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1728 if (rv > 0) 1729 rv = X509_CRL_sign_ctx(x, &mctx); 1730 EVP_MD_CTX_cleanup(&mctx); 1731 return rv > 0 ? 1 : 0; 1732 } 1733