1 /* $OpenBSD: req.c,v 1.18 2019/11/06 11:16:16 inoguchi Exp $ */ 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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow 60 * deprecated functions for openssl-internal code */ 61 #ifdef OPENSSL_NO_DEPRECATED 62 #undef OPENSSL_NO_DEPRECATED 63 #endif 64 65 #include <ctype.h> 66 #include <limits.h> 67 #include <stdio.h> 68 #include <stdlib.h> 69 #include <string.h> 70 #include <time.h> 71 72 #include "apps.h" 73 74 #include <openssl/asn1.h> 75 #include <openssl/bio.h> 76 #include <openssl/bn.h> 77 #include <openssl/conf.h> 78 #include <openssl/err.h> 79 #include <openssl/evp.h> 80 #include <openssl/objects.h> 81 #include <openssl/pem.h> 82 #include <openssl/x509.h> 83 #include <openssl/x509v3.h> 84 85 #include <openssl/dsa.h> 86 87 #include <openssl/rsa.h> 88 89 #define SECTION "req" 90 91 #define BITS "default_bits" 92 #define KEYFILE "default_keyfile" 93 #define PROMPT "prompt" 94 #define DISTINGUISHED_NAME "distinguished_name" 95 #define ATTRIBUTES "attributes" 96 #define V3_EXTENSIONS "x509_extensions" 97 #define REQ_EXTENSIONS "req_extensions" 98 #define STRING_MASK "string_mask" 99 #define UTF8_IN "utf8" 100 101 #define DEFAULT_KEY_LENGTH 2048 102 #define MIN_KEY_LENGTH 384 103 104 105 /* -inform arg - input format - default PEM (DER or PEM) 106 * -outform arg - output format - default PEM 107 * -in arg - input file - default stdin 108 * -out arg - output file - default stdout 109 * -verify - check request signature 110 * -noout - don't print stuff out. 111 * -text - print out human readable text. 112 * -nodes - no des encryption 113 * -config file - Load configuration file. 114 * -key file - make a request using key in file (or use it for verification). 115 * -keyform arg - key file format. 116 * -newkey - make a key and a request. 117 * -modulus - print RSA modulus. 118 * -pubkey - output Public Key. 119 * -x509 - output a self signed X509 structure instead. 120 * -asn1-kludge - output new certificate request in a format that some CA's 121 * require. This format is wrong 122 */ 123 124 static int make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *dn, int multirdn, 125 int attribs, unsigned long chtype); 126 static int build_subject(X509_REQ * req, char *subj, unsigned long chtype, 127 int multirdn); 128 static int prompt_info(X509_REQ * req, 129 STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect, 130 STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs, 131 unsigned long chtype); 132 static int auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * sk, 133 STACK_OF(CONF_VALUE) * attr, int attribs, 134 unsigned long chtype); 135 static int add_attribute_object(X509_REQ * req, char *text, const char *def, 136 char *value, int nid, int n_min, 137 int n_max, unsigned long chtype); 138 static int add_DN_object(X509_NAME * n, char *text, const char *def, char *value, 139 int nid, int n_min, int n_max, unsigned long chtype, int mval); 140 static int genpkey_cb(EVP_PKEY_CTX * ctx); 141 static int req_check_len(int len, int n_min, int n_max); 142 static int check_end(const char *str, const char *end); 143 static EVP_PKEY_CTX *set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type, 144 long *pkeylen, char **palgnam); 145 static unsigned long ext_name_hash(const OPENSSL_STRING *a); 146 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b); 147 static void exts_cleanup(OPENSSL_STRING *x); 148 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv); 149 static CONF *req_conf = NULL; 150 static CONF *addext_conf = NULL; 151 static int batch = 0; 152 153 int 154 req_main(int argc, char **argv) 155 { 156 unsigned long nmflag = 0, reqflag = 0; 157 int ex = 1, x509 = 0, days = 30; 158 X509 *x509ss = NULL; 159 X509_REQ *req = NULL; 160 EVP_PKEY_CTX *genctx = NULL; 161 const char *keyalg = NULL; 162 char *keyalgstr = NULL; 163 STACK_OF(OPENSSL_STRING) * pkeyopts = NULL, *sigopts = NULL; 164 LHASH_OF(OPENSSL_STRING) *addexts = NULL; 165 EVP_PKEY *pkey = NULL; 166 int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = -1; 167 long newkey = -1; 168 BIO *in = NULL, *out = NULL; 169 int informat, outformat, verify = 0, noout = 0, text = 0, keyform = FORMAT_PEM; 170 int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0; 171 char *infile, *outfile, *prog, *keyfile = NULL, *template = NULL, 172 *keyout = NULL; 173 BIO *addext_bio = NULL; 174 char *extensions = NULL; 175 char *req_exts = NULL; 176 const EVP_CIPHER *cipher = NULL; 177 ASN1_INTEGER *serial = NULL; 178 int modulus = 0; 179 char *passargin = NULL, *passargout = NULL; 180 char *passin = NULL, *passout = NULL; 181 char *p; 182 char *subj = NULL; 183 int multirdn = 0; 184 const EVP_MD *md_alg = NULL, *digest = NULL; 185 unsigned long chtype = MBSTRING_ASC; 186 187 if (single_execution) { 188 if (pledge("stdio cpath wpath rpath tty", NULL) == -1) { 189 perror("pledge"); 190 exit(1); 191 } 192 } 193 194 req_conf = NULL; 195 cipher = EVP_aes_256_cbc(); 196 digest = EVP_sha256(); 197 198 infile = NULL; 199 outfile = NULL; 200 informat = FORMAT_PEM; 201 outformat = FORMAT_PEM; 202 203 prog = argv[0]; 204 argc--; 205 argv++; 206 while (argc >= 1) { 207 if (strcmp(*argv, "-inform") == 0) { 208 if (--argc < 1) 209 goto bad; 210 informat = str2fmt(*(++argv)); 211 } else if (strcmp(*argv, "-outform") == 0) { 212 if (--argc < 1) 213 goto bad; 214 outformat = str2fmt(*(++argv)); 215 } 216 else if (strcmp(*argv, "-key") == 0) { 217 if (--argc < 1) 218 goto bad; 219 keyfile = *(++argv); 220 } else if (strcmp(*argv, "-pubkey") == 0) { 221 pubkey = 1; 222 } else if (strcmp(*argv, "-new") == 0) { 223 newreq = 1; 224 } else if (strcmp(*argv, "-config") == 0) { 225 if (--argc < 1) 226 goto bad; 227 template = *(++argv); 228 } else if (strcmp(*argv, "-keyform") == 0) { 229 if (--argc < 1) 230 goto bad; 231 keyform = str2fmt(*(++argv)); 232 } else if (strcmp(*argv, "-in") == 0) { 233 if (--argc < 1) 234 goto bad; 235 infile = *(++argv); 236 } else if (strcmp(*argv, "-out") == 0) { 237 if (--argc < 1) 238 goto bad; 239 outfile = *(++argv); 240 } else if (strcmp(*argv, "-keyout") == 0) { 241 if (--argc < 1) 242 goto bad; 243 keyout = *(++argv); 244 } else if (strcmp(*argv, "-passin") == 0) { 245 if (--argc < 1) 246 goto bad; 247 passargin = *(++argv); 248 } else if (strcmp(*argv, "-passout") == 0) { 249 if (--argc < 1) 250 goto bad; 251 passargout = *(++argv); 252 } else if (strcmp(*argv, "-newkey") == 0) { 253 if (--argc < 1) 254 goto bad; 255 keyalg = *(++argv); 256 newreq = 1; 257 } else if (strcmp(*argv, "-pkeyopt") == 0) { 258 if (--argc < 1) 259 goto bad; 260 if (!pkeyopts) 261 pkeyopts = sk_OPENSSL_STRING_new_null(); 262 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv))) 263 goto bad; 264 } else if (strcmp(*argv, "-sigopt") == 0) { 265 if (--argc < 1) 266 goto bad; 267 if (!sigopts) 268 sigopts = sk_OPENSSL_STRING_new_null(); 269 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv))) 270 goto bad; 271 } else if (strcmp(*argv, "-batch") == 0) 272 batch = 1; 273 else if (strcmp(*argv, "-newhdr") == 0) 274 newhdr = 1; 275 else if (strcmp(*argv, "-modulus") == 0) 276 modulus = 1; 277 else if (strcmp(*argv, "-verify") == 0) 278 verify = 1; 279 else if (strcmp(*argv, "-nodes") == 0) 280 nodes = 1; 281 else if (strcmp(*argv, "-noout") == 0) 282 noout = 1; 283 else if (strcmp(*argv, "-verbose") == 0) 284 verbose = 1; 285 else if (strcmp(*argv, "-utf8") == 0) 286 chtype = MBSTRING_UTF8; 287 else if (strcmp(*argv, "-nameopt") == 0) { 288 if (--argc < 1) 289 goto bad; 290 if (!set_name_ex(&nmflag, *(++argv))) 291 goto bad; 292 } else if (strcmp(*argv, "-reqopt") == 0) { 293 if (--argc < 1) 294 goto bad; 295 if (!set_cert_ex(&reqflag, *(++argv))) 296 goto bad; 297 } else if (strcmp(*argv, "-subject") == 0) 298 subject = 1; 299 else if (strcmp(*argv, "-text") == 0) 300 text = 1; 301 else if (strcmp(*argv, "-x509") == 0) 302 x509 = 1; 303 else if (strcmp(*argv, "-asn1-kludge") == 0) 304 kludge = 1; 305 else if (strcmp(*argv, "-no-asn1-kludge") == 0) 306 kludge = 0; 307 else if (strcmp(*argv, "-subj") == 0) { 308 if (--argc < 1) 309 goto bad; 310 subj = *(++argv); 311 } else if (strcmp(*argv, "-multivalue-rdn") == 0) 312 multirdn = 1; 313 else if (strcmp(*argv, "-days") == 0) { 314 const char *errstr; 315 316 if (--argc < 1) 317 goto bad; 318 days = strtonum(*(++argv), 1, INT_MAX, &errstr); 319 if (errstr) { 320 BIO_printf(bio_err, "bad -days %s, using 0: %s\n", 321 *argv, errstr); 322 days = 30; 323 } 324 } else if (strcmp(*argv, "-set_serial") == 0) { 325 if (--argc < 1) 326 goto bad; 327 serial = s2i_ASN1_INTEGER(NULL, *(++argv)); 328 if (!serial) 329 goto bad; 330 } else if (strcmp(*argv, "-addext") == 0) { 331 if (--argc < 1) 332 goto bad; 333 p = *(++argv); 334 if (addexts == NULL) { 335 addexts = (LHASH_OF(OPENSSL_STRING) *)lh_new( 336 (LHASH_HASH_FN_TYPE)ext_name_hash, 337 (LHASH_COMP_FN_TYPE)ext_name_cmp); 338 addext_bio = BIO_new(BIO_s_mem()); 339 if (addexts == NULL || addext_bio == NULL) 340 goto bad; 341 } 342 i = duplicated(addexts, p); 343 if (i == 1) 344 goto bad; 345 if (i < 0 || BIO_printf(addext_bio, "%s\n", p) < 0) 346 goto bad; 347 } else if (strcmp(*argv, "-extensions") == 0) { 348 if (--argc < 1) 349 goto bad; 350 extensions = *(++argv); 351 } else if (strcmp(*argv, "-reqexts") == 0) { 352 if (--argc < 1) 353 goto bad; 354 req_exts = *(++argv); 355 } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) { 356 /* ok */ 357 digest = md_alg; 358 } else { 359 BIO_printf(bio_err, "unknown option %s\n", *argv); 360 badops = 1; 361 break; 362 } 363 argc--; 364 argv++; 365 } 366 367 if (badops) { 368 bad: 369 BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 370 BIO_printf(bio_err, "where options are\n"); 371 BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); 372 BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); 373 BIO_printf(bio_err, " -in arg input file\n"); 374 BIO_printf(bio_err, " -out arg output file\n"); 375 BIO_printf(bio_err, " -text text form of request\n"); 376 BIO_printf(bio_err, " -pubkey output public key\n"); 377 BIO_printf(bio_err, " -noout do not output REQ\n"); 378 BIO_printf(bio_err, " -verify verify signature on REQ\n"); 379 BIO_printf(bio_err, " -modulus RSA modulus\n"); 380 BIO_printf(bio_err, " -nodes don't encrypt the output key\n"); 381 BIO_printf(bio_err, " -subject output the request's subject\n"); 382 BIO_printf(bio_err, " -passin private key password source\n"); 383 BIO_printf(bio_err, " -key file use the private key contained in file\n"); 384 BIO_printf(bio_err, " -keyform arg key file format\n"); 385 BIO_printf(bio_err, " -keyout arg file to send the key to\n"); 386 BIO_printf(bio_err, " -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 387 BIO_printf(bio_err, " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 388 BIO_printf(bio_err, " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n"); 389 BIO_printf(bio_err, " -[digest] Digest to sign with (md5, sha1, md4)\n"); 390 BIO_printf(bio_err, " -config file request template file.\n"); 391 BIO_printf(bio_err, " -subj arg set or modify request subject\n"); 392 BIO_printf(bio_err, " -multivalue-rdn enable support for multivalued RDNs\n"); 393 BIO_printf(bio_err, " -new new request.\n"); 394 BIO_printf(bio_err, " -batch do not ask anything during request generation\n"); 395 BIO_printf(bio_err, " -x509 output a x509 structure instead of a cert. req.\n"); 396 BIO_printf(bio_err, " -days number of days a certificate generated by -x509 is valid for.\n"); 397 BIO_printf(bio_err, " -set_serial serial number to use for a certificate generated by -x509.\n"); 398 BIO_printf(bio_err, " -newhdr output \"NEW\" in the header lines\n"); 399 BIO_printf(bio_err, " -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 400 BIO_printf(bio_err, " have been reported as requiring\n"); 401 BIO_printf(bio_err, " -addext .. additional cert extension key=value pair (may be given more than once)\n"); 402 BIO_printf(bio_err, " -extensions .. specify certificate extension section (override value in config file)\n"); 403 BIO_printf(bio_err, " -reqexts .. specify request extension section (override value in config file)\n"); 404 BIO_printf(bio_err, " -utf8 input characters are UTF8 (default ASCII)\n"); 405 BIO_printf(bio_err, " -nameopt arg - various certificate name options\n"); 406 BIO_printf(bio_err, " -reqopt arg - various request text options\n\n"); 407 goto end; 408 } 409 410 if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 411 BIO_printf(bio_err, "Error getting passwords\n"); 412 goto end; 413 } 414 if (template != NULL) { 415 long errline = -1; 416 417 if (verbose) 418 BIO_printf(bio_err, "Using configuration from %s\n", template); 419 if ((req_conf = NCONF_new(NULL)) == NULL) 420 goto end; 421 if(!NCONF_load(req_conf, template, &errline)) { 422 BIO_printf(bio_err, "error on line %ld of %s\n", errline, template); 423 goto end; 424 } 425 } else { 426 req_conf = config; 427 428 if (req_conf == NULL) { 429 BIO_printf(bio_err, "Unable to load config info from %s\n", default_config_file); 430 if (newreq) 431 goto end; 432 } else if (verbose) 433 BIO_printf(bio_err, "Using configuration from %s\n", 434 default_config_file); 435 } 436 437 if (addext_bio != NULL) { 438 long errline = -1; 439 if (verbose) 440 BIO_printf(bio_err, 441 "Using additional configuration from command line\n"); 442 if ((addext_conf = NCONF_new(NULL)) == NULL) 443 goto end; 444 if (!NCONF_load_bio(addext_conf, addext_bio, &errline)) { 445 BIO_printf(bio_err, 446 "req: Error on line %ld of config input\n", 447 errline); 448 goto end; 449 } 450 } 451 452 if (req_conf != NULL) { 453 if (!load_config(bio_err, req_conf)) 454 goto end; 455 p = NCONF_get_string(req_conf, NULL, "oid_file"); 456 if (p == NULL) 457 ERR_clear_error(); 458 if (p != NULL) { 459 BIO *oid_bio; 460 461 oid_bio = BIO_new_file(p, "r"); 462 if (oid_bio == NULL) { 463 /* 464 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 465 ERR_print_errors(bio_err); 466 */ 467 } else { 468 OBJ_create_objects(oid_bio); 469 BIO_free(oid_bio); 470 } 471 } 472 } 473 if (!add_oid_section(bio_err, req_conf)) 474 goto end; 475 476 if (md_alg == NULL) { 477 p = NCONF_get_string(req_conf, SECTION, "default_md"); 478 if (p == NULL) 479 ERR_clear_error(); 480 if (p != NULL) { 481 if ((md_alg = EVP_get_digestbyname(p)) != NULL) 482 digest = md_alg; 483 } 484 } 485 if (!extensions) { 486 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 487 if (!extensions) 488 ERR_clear_error(); 489 } 490 if (extensions) { 491 /* Check syntax of file */ 492 X509V3_CTX ctx; 493 X509V3_set_ctx_test(&ctx); 494 X509V3_set_nconf(&ctx, req_conf); 495 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) { 496 BIO_printf(bio_err, 497 "Error Loading extension section %s\n", extensions); 498 goto end; 499 } 500 } 501 if (addext_conf != NULL) { 502 /* Check syntax of command line extensions */ 503 X509V3_CTX ctx; 504 X509V3_set_ctx_test(&ctx); 505 X509V3_set_nconf(&ctx, addext_conf); 506 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) { 507 BIO_printf(bio_err, 508 "Error Loading command line extensions\n"); 509 goto end; 510 } 511 } 512 if (!passin) { 513 passin = NCONF_get_string(req_conf, SECTION, "input_password"); 514 if (!passin) 515 ERR_clear_error(); 516 } 517 if (!passout) { 518 passout = NCONF_get_string(req_conf, SECTION, "output_password"); 519 if (!passout) 520 ERR_clear_error(); 521 } 522 p = NCONF_get_string(req_conf, SECTION, STRING_MASK); 523 if (!p) 524 ERR_clear_error(); 525 526 if (p && !ASN1_STRING_set_default_mask_asc(p)) { 527 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 528 goto end; 529 } 530 if (chtype != MBSTRING_UTF8) { 531 p = NCONF_get_string(req_conf, SECTION, UTF8_IN); 532 if (!p) 533 ERR_clear_error(); 534 else if (!strcmp(p, "yes")) 535 chtype = MBSTRING_UTF8; 536 } 537 if (!req_exts) { 538 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 539 if (!req_exts) 540 ERR_clear_error(); 541 } 542 if (req_exts) { 543 /* Check syntax of file */ 544 X509V3_CTX ctx; 545 X509V3_set_ctx_test(&ctx); 546 X509V3_set_nconf(&ctx, req_conf); 547 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) { 548 BIO_printf(bio_err, 549 "Error Loading request extension section %s\n", 550 req_exts); 551 goto end; 552 } 553 } 554 in = BIO_new(BIO_s_file()); 555 out = BIO_new(BIO_s_file()); 556 if ((in == NULL) || (out == NULL)) 557 goto end; 558 559 if (keyfile != NULL) { 560 pkey = load_key(bio_err, keyfile, keyform, 0, passin, 561 "Private Key"); 562 if (!pkey) { 563 /* 564 * load_key() has already printed an appropriate 565 * message 566 */ 567 goto end; 568 } 569 } 570 if (newreq && (pkey == NULL)) { 571 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) { 572 newkey = DEFAULT_KEY_LENGTH; 573 } 574 if (keyalg) { 575 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey, 576 &keyalgstr); 577 if (!genctx) 578 goto end; 579 } 580 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) { 581 BIO_printf(bio_err, "private key length is too short,\n"); 582 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n", MIN_KEY_LENGTH, newkey); 583 goto end; 584 } 585 if (!genctx) { 586 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey, 587 &keyalgstr); 588 if (!genctx) 589 goto end; 590 } 591 if (pkeyopts) { 592 char *genopt; 593 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) { 594 genopt = sk_OPENSSL_STRING_value(pkeyopts, i); 595 if (pkey_ctrl_string(genctx, genopt) <= 0) { 596 BIO_printf(bio_err, 597 "parameter error \"%s\"\n", 598 genopt); 599 ERR_print_errors(bio_err); 600 goto end; 601 } 602 } 603 } 604 BIO_printf(bio_err, "Generating a %ld bit %s private key\n", 605 newkey, keyalgstr); 606 607 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); 608 EVP_PKEY_CTX_set_app_data(genctx, bio_err); 609 610 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) { 611 BIO_puts(bio_err, "Error Generating Key\n"); 612 goto end; 613 } 614 EVP_PKEY_CTX_free(genctx); 615 genctx = NULL; 616 617 if (keyout == NULL) { 618 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE); 619 if (keyout == NULL) 620 ERR_clear_error(); 621 } 622 if (keyout == NULL) { 623 BIO_printf(bio_err, "writing new private key to stdout\n"); 624 BIO_set_fp(out, stdout, BIO_NOCLOSE); 625 } else { 626 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout); 627 if (BIO_write_filename(out, keyout) <= 0) { 628 perror(keyout); 629 goto end; 630 } 631 } 632 633 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key"); 634 if (p == NULL) { 635 ERR_clear_error(); 636 p = NCONF_get_string(req_conf, SECTION, "encrypt_key"); 637 if (p == NULL) 638 ERR_clear_error(); 639 } 640 if ((p != NULL) && (strcmp(p, "no") == 0)) 641 cipher = NULL; 642 if (nodes) 643 cipher = NULL; 644 645 i = 0; 646 loop: 647 if (!PEM_write_bio_PrivateKey(out, pkey, cipher, 648 NULL, 0, NULL, passout)) { 649 if ((ERR_GET_REASON(ERR_peek_error()) == 650 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) { 651 ERR_clear_error(); 652 i++; 653 goto loop; 654 } 655 goto end; 656 } 657 BIO_printf(bio_err, "-----\n"); 658 } 659 if (!newreq) { 660 /* 661 * Since we are using a pre-existing certificate request, the 662 * kludge 'format' info should not be changed. 663 */ 664 kludge = -1; 665 if (infile == NULL) 666 BIO_set_fp(in, stdin, BIO_NOCLOSE); 667 else { 668 if (BIO_read_filename(in, infile) <= 0) { 669 perror(infile); 670 goto end; 671 } 672 } 673 674 if (informat == FORMAT_ASN1) 675 req = d2i_X509_REQ_bio(in, NULL); 676 else if (informat == FORMAT_PEM) 677 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 678 else { 679 BIO_printf(bio_err, "bad input format specified for X509 request\n"); 680 goto end; 681 } 682 if (req == NULL) { 683 BIO_printf(bio_err, "unable to load X509 request\n"); 684 goto end; 685 } 686 } 687 if (newreq || x509) { 688 if (pkey == NULL) { 689 BIO_printf(bio_err, "you need to specify a private key\n"); 690 goto end; 691 } 692 if (req == NULL) { 693 req = X509_REQ_new(); 694 if (req == NULL) { 695 goto end; 696 } 697 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype); 698 subj = NULL; /* done processing '-subj' option */ 699 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) { 700 sk_X509_ATTRIBUTE_free(req->req_info->attributes); 701 req->req_info->attributes = NULL; 702 } 703 if (!i) { 704 BIO_printf(bio_err, "problems making Certificate Request\n"); 705 goto end; 706 } 707 } 708 if (x509) { 709 EVP_PKEY *tmppkey; 710 X509V3_CTX ext_ctx; 711 if ((x509ss = X509_new()) == NULL) 712 goto end; 713 714 /* Set version to V3 */ 715 if ((extensions != NULL || addext_conf != NULL) && 716 !X509_set_version(x509ss, 2)) 717 goto end; 718 if (serial) { 719 if (!X509_set_serialNumber(x509ss, serial)) 720 goto end; 721 } else { 722 if (!rand_serial(NULL, 723 X509_get_serialNumber(x509ss))) 724 goto end; 725 } 726 727 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) 728 goto end; 729 if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0)) 730 goto end; 731 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) 732 goto end; 733 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) 734 goto end; 735 tmppkey = X509_REQ_get_pubkey(req); 736 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey)) 737 goto end; 738 EVP_PKEY_free(tmppkey); 739 740 /* Set up V3 context struct */ 741 742 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 743 X509V3_set_nconf(&ext_ctx, req_conf); 744 745 /* Add extensions */ 746 if (extensions && !X509V3_EXT_add_nconf(req_conf, 747 &ext_ctx, extensions, x509ss)) { 748 BIO_printf(bio_err, 749 "Error Loading extension section %s\n", 750 extensions); 751 goto end; 752 } 753 if (addext_conf != NULL && 754 !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, 755 "default", x509ss)) { 756 BIO_printf(bio_err, 757 "Error Loading command line extensions\n"); 758 goto end; 759 } 760 i = do_X509_sign(bio_err, x509ss, pkey, digest, sigopts); 761 if (!i) { 762 ERR_print_errors(bio_err); 763 goto end; 764 } 765 } else { 766 X509V3_CTX ext_ctx; 767 768 /* Set up V3 context struct */ 769 770 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 771 X509V3_set_nconf(&ext_ctx, req_conf); 772 773 /* Add extensions */ 774 if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 775 &ext_ctx, req_exts, req)) { 776 BIO_printf(bio_err, 777 "Error Loading extension section %s\n", 778 req_exts); 779 goto end; 780 } 781 if (addext_conf != NULL && 782 !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, 783 "default", req)) { 784 BIO_printf(bio_err, 785 "Error Loading command line extensions\n"); 786 goto end; 787 } 788 i = do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts); 789 if (!i) { 790 ERR_print_errors(bio_err); 791 goto end; 792 } 793 } 794 } 795 if (subj && x509) { 796 BIO_printf(bio_err, "Cannot modifiy certificate subject\n"); 797 goto end; 798 } 799 if (subj && !x509) { 800 if (verbose) { 801 BIO_printf(bio_err, "Modifying Request's Subject\n"); 802 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag); 803 } 804 if (build_subject(req, subj, chtype, multirdn) == 0) { 805 BIO_printf(bio_err, "ERROR: cannot modify subject\n"); 806 ex = 1; 807 goto end; 808 } 809 req->req_info->enc.modified = 1; 810 811 if (verbose) { 812 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag); 813 } 814 } 815 if (verify && !x509) { 816 int tmp = 0; 817 818 if (pkey == NULL) { 819 pkey = X509_REQ_get_pubkey(req); 820 tmp = 1; 821 if (pkey == NULL) 822 goto end; 823 } 824 i = X509_REQ_verify(req, pkey); 825 if (tmp) { 826 EVP_PKEY_free(pkey); 827 pkey = NULL; 828 } 829 if (i < 0) { 830 goto end; 831 } else if (i == 0) { 832 BIO_printf(bio_err, "verify failure\n"); 833 ERR_print_errors(bio_err); 834 } else /* if (i > 0) */ 835 BIO_printf(bio_err, "verify OK\n"); 836 } 837 if (noout && !text && !modulus && !subject && !pubkey) { 838 ex = 0; 839 goto end; 840 } 841 if (outfile == NULL) { 842 BIO_set_fp(out, stdout, BIO_NOCLOSE); 843 } else { 844 if ((keyout != NULL) && (strcmp(outfile, keyout) == 0)) 845 i = (int) BIO_append_filename(out, outfile); 846 else 847 i = (int) BIO_write_filename(out, outfile); 848 if (!i) { 849 perror(outfile); 850 goto end; 851 } 852 } 853 854 if (pubkey) { 855 EVP_PKEY *tpubkey; 856 tpubkey = X509_REQ_get_pubkey(req); 857 if (tpubkey == NULL) { 858 BIO_printf(bio_err, "Error getting public key\n"); 859 ERR_print_errors(bio_err); 860 goto end; 861 } 862 PEM_write_bio_PUBKEY(out, tpubkey); 863 EVP_PKEY_free(tpubkey); 864 } 865 if (text) { 866 if (x509) 867 X509_print_ex(out, x509ss, nmflag, reqflag); 868 else 869 X509_REQ_print_ex(out, req, nmflag, reqflag); 870 } 871 if (subject) { 872 if (x509) 873 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag); 874 else 875 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag); 876 } 877 if (modulus) { 878 EVP_PKEY *tpubkey; 879 880 if (x509) 881 tpubkey = X509_get_pubkey(x509ss); 882 else 883 tpubkey = X509_REQ_get_pubkey(req); 884 if (tpubkey == NULL) { 885 fprintf(stdout, "Modulus=unavailable\n"); 886 goto end; 887 } 888 fprintf(stdout, "Modulus="); 889 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) 890 BN_print(out, tpubkey->pkey.rsa->n); 891 else 892 fprintf(stdout, "Wrong Algorithm type"); 893 EVP_PKEY_free(tpubkey); 894 fprintf(stdout, "\n"); 895 } 896 if (!noout && !x509) { 897 if (outformat == FORMAT_ASN1) 898 i = i2d_X509_REQ_bio(out, req); 899 else if (outformat == FORMAT_PEM) { 900 if (newhdr) 901 i = PEM_write_bio_X509_REQ_NEW(out, req); 902 else 903 i = PEM_write_bio_X509_REQ(out, req); 904 } else { 905 BIO_printf(bio_err, "bad output format specified for outfile\n"); 906 goto end; 907 } 908 if (!i) { 909 BIO_printf(bio_err, "unable to write X509 request\n"); 910 goto end; 911 } 912 } 913 if (!noout && x509 && (x509ss != NULL)) { 914 if (outformat == FORMAT_ASN1) 915 i = i2d_X509_bio(out, x509ss); 916 else if (outformat == FORMAT_PEM) 917 i = PEM_write_bio_X509(out, x509ss); 918 else { 919 BIO_printf(bio_err, "bad output format specified for outfile\n"); 920 goto end; 921 } 922 if (!i) { 923 BIO_printf(bio_err, "unable to write X509 certificate\n"); 924 goto end; 925 } 926 } 927 ex = 0; 928 end: 929 if (ex) { 930 ERR_print_errors(bio_err); 931 } 932 if ((req_conf != NULL) && (req_conf != config)) 933 NCONF_free(req_conf); 934 NCONF_free(addext_conf); 935 BIO_free(addext_bio); 936 BIO_free(in); 937 BIO_free_all(out); 938 EVP_PKEY_free(pkey); 939 if (genctx) 940 EVP_PKEY_CTX_free(genctx); 941 if (pkeyopts) 942 sk_OPENSSL_STRING_free(pkeyopts); 943 if (sigopts) 944 sk_OPENSSL_STRING_free(sigopts); 945 lh_OPENSSL_STRING_doall(addexts, (LHASH_DOALL_FN_TYPE)exts_cleanup); 946 lh_OPENSSL_STRING_free(addexts); 947 free(keyalgstr); 948 X509_REQ_free(req); 949 X509_free(x509ss); 950 ASN1_INTEGER_free(serial); 951 if (passargin && passin) 952 free(passin); 953 if (passargout && passout) 954 free(passout); 955 OBJ_cleanup(); 956 957 return (ex); 958 } 959 960 static int 961 make_REQ(X509_REQ * req, EVP_PKEY * pkey, char *subj, int multirdn, 962 int attribs, unsigned long chtype) 963 { 964 int ret = 0, i; 965 char no_prompt = 0; 966 STACK_OF(CONF_VALUE) * dn_sk, *attr_sk = NULL; 967 char *tmp, *dn_sect, *attr_sect; 968 969 tmp = NCONF_get_string(req_conf, SECTION, PROMPT); 970 if (tmp == NULL) 971 ERR_clear_error(); 972 if ((tmp != NULL) && !strcmp(tmp, "no")) 973 no_prompt = 1; 974 975 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME); 976 if (dn_sect == NULL) { 977 BIO_printf(bio_err, "unable to find '%s' in config\n", 978 DISTINGUISHED_NAME); 979 goto err; 980 } 981 dn_sk = NCONF_get_section(req_conf, dn_sect); 982 if (dn_sk == NULL) { 983 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect); 984 goto err; 985 } 986 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES); 987 if (attr_sect == NULL) { 988 ERR_clear_error(); 989 attr_sk = NULL; 990 } else { 991 attr_sk = NCONF_get_section(req_conf, attr_sect); 992 if (attr_sk == NULL) { 993 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect); 994 goto err; 995 } 996 } 997 998 /* setup version number */ 999 if (!X509_REQ_set_version(req, 0L)) 1000 goto err; /* version 1 */ 1001 1002 if (no_prompt) 1003 i = auto_info(req, dn_sk, attr_sk, attribs, chtype); 1004 else { 1005 if (subj) 1006 i = build_subject(req, subj, chtype, multirdn); 1007 else 1008 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype); 1009 } 1010 if (!i) 1011 goto err; 1012 1013 if (!X509_REQ_set_pubkey(req, pkey)) 1014 goto err; 1015 1016 ret = 1; 1017 err: 1018 return (ret); 1019 } 1020 1021 /* 1022 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1023 * where characters may be escaped by \ 1024 */ 1025 static int 1026 build_subject(X509_REQ * req, char *subject, unsigned long chtype, int multirdn) 1027 { 1028 X509_NAME *n; 1029 1030 if (!(n = parse_name(subject, chtype, multirdn))) 1031 return 0; 1032 1033 if (!X509_REQ_set_subject_name(req, n)) { 1034 X509_NAME_free(n); 1035 return 0; 1036 } 1037 X509_NAME_free(n); 1038 return 1; 1039 } 1040 1041 1042 static int 1043 prompt_info(X509_REQ * req, 1044 STACK_OF(CONF_VALUE) * dn_sk, char *dn_sect, 1045 STACK_OF(CONF_VALUE) * attr_sk, char *attr_sect, int attribs, 1046 unsigned long chtype) 1047 { 1048 int i; 1049 char *p, *q; 1050 char buf[100]; 1051 int nid, mval; 1052 long n_min, n_max; 1053 char *type, *value; 1054 const char *def; 1055 CONF_VALUE *v; 1056 X509_NAME *subj; 1057 subj = X509_REQ_get_subject_name(req); 1058 1059 if (!batch) { 1060 BIO_printf(bio_err, "You are about to be asked to enter information that will be incorporated\n"); 1061 BIO_printf(bio_err, "into your certificate request.\n"); 1062 BIO_printf(bio_err, "What you are about to enter is what is called a Distinguished Name or a DN.\n"); 1063 BIO_printf(bio_err, "There are quite a few fields but you can leave some blank\n"); 1064 BIO_printf(bio_err, "For some fields there will be a default value,\n"); 1065 BIO_printf(bio_err, "If you enter '.', the field will be left blank.\n"); 1066 BIO_printf(bio_err, "-----\n"); 1067 } 1068 if (sk_CONF_VALUE_num(dn_sk)) { 1069 i = -1; 1070 start: for (;;) { 1071 int ret; 1072 i++; 1073 if (sk_CONF_VALUE_num(dn_sk) <= i) 1074 break; 1075 1076 v = sk_CONF_VALUE_value(dn_sk, i); 1077 p = q = NULL; 1078 type = v->name; 1079 if (!check_end(type, "_min") || !check_end(type, "_max") || 1080 !check_end(type, "_default") || 1081 !check_end(type, "_value")) 1082 continue; 1083 /* 1084 * Skip past any leading X. X: X, etc to allow for 1085 * multiple instances 1086 */ 1087 for (p = v->name; *p; p++) 1088 if ((*p == ':') || (*p == ',') || 1089 (*p == '.')) { 1090 p++; 1091 if (*p) 1092 type = p; 1093 break; 1094 } 1095 if (*type == '+') { 1096 mval = -1; 1097 type++; 1098 } else 1099 mval = 0; 1100 /* If OBJ not recognised ignore it */ 1101 if ((nid = OBJ_txt2nid(type)) == NID_undef) 1102 goto start; 1103 ret = snprintf(buf, sizeof buf, "%s_default", v->name); 1104 if (ret < 0 || ret >= sizeof(buf)) { 1105 BIO_printf(bio_err, "Name '%s' too long for default\n", 1106 v->name); 1107 return 0; 1108 } 1109 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { 1110 ERR_clear_error(); 1111 def = ""; 1112 } 1113 ret = snprintf(buf, sizeof buf, "%s_value", v->name); 1114 if (ret < 0 || ret >= sizeof(buf)) { 1115 BIO_printf(bio_err, "Name '%s' too long for value\n", 1116 v->name); 1117 return 0; 1118 } 1119 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) { 1120 ERR_clear_error(); 1121 value = NULL; 1122 } 1123 ret = snprintf(buf, sizeof buf, "%s_min", v->name); 1124 if (ret < 0 || ret >= sizeof(buf)) { 1125 BIO_printf(bio_err, "Name '%s' too long for min\n", 1126 v->name); 1127 return 0; 1128 } 1129 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) { 1130 ERR_clear_error(); 1131 n_min = -1; 1132 } 1133 ret = snprintf(buf, sizeof buf, "%s_max", v->name); 1134 if (ret < 0 || ret >= sizeof(buf)) { 1135 BIO_printf(bio_err, "Name '%s' too long for max\n", 1136 v->name); 1137 return 0; 1138 } 1139 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) { 1140 ERR_clear_error(); 1141 n_max = -1; 1142 } 1143 if (!add_DN_object(subj, v->value, def, value, nid, 1144 n_min, n_max, chtype, mval)) 1145 return 0; 1146 } 1147 if (X509_NAME_entry_count(subj) == 0) { 1148 BIO_printf(bio_err, "error, no objects specified in config file\n"); 1149 return 0; 1150 } 1151 if (attribs) { 1152 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && 1153 (!batch)) { 1154 BIO_printf(bio_err, 1155 "\nPlease enter the following 'extra' attributes\n"); 1156 BIO_printf(bio_err, 1157 "to be sent with your certificate request\n"); 1158 } 1159 i = -1; 1160 start2: for (;;) { 1161 int ret; 1162 i++; 1163 if ((attr_sk == NULL) || 1164 (sk_CONF_VALUE_num(attr_sk) <= i)) 1165 break; 1166 1167 v = sk_CONF_VALUE_value(attr_sk, i); 1168 type = v->name; 1169 if ((nid = OBJ_txt2nid(type)) == NID_undef) 1170 goto start2; 1171 ret = snprintf(buf, sizeof buf, "%s_default", type); 1172 if (ret < 0 || ret >= sizeof(buf)) { 1173 BIO_printf(bio_err, "Name '%s' too long for default\n", 1174 v->name); 1175 return 0; 1176 } 1177 if ((def = NCONF_get_string(req_conf, attr_sect, buf)) 1178 == NULL) { 1179 ERR_clear_error(); 1180 def = ""; 1181 } 1182 ret = snprintf(buf, sizeof buf, "%s_value", type); 1183 if (ret < 0 || ret >= sizeof(buf)) { 1184 BIO_printf(bio_err, "Name '%s' too long for value\n", 1185 v->name); 1186 return 0; 1187 } 1188 if ((value = NCONF_get_string(req_conf, attr_sect, buf)) 1189 == NULL) { 1190 ERR_clear_error(); 1191 value = NULL; 1192 } 1193 ret = snprintf(buf, sizeof buf, "%s_min", type); 1194 if (ret < 0 || ret >= sizeof(buf)) { 1195 BIO_printf(bio_err, "Name '%s' too long for min\n", 1196 v->name); 1197 return 0; 1198 } 1199 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) { 1200 ERR_clear_error(); 1201 n_min = -1; 1202 } 1203 ret = snprintf(buf, sizeof buf, "%s_max", type); 1204 if (ret < 0 || ret >= sizeof(buf)) { 1205 BIO_printf(bio_err, "Name '%s' too long for max\n", 1206 v->name); 1207 return 0; 1208 } 1209 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) { 1210 ERR_clear_error(); 1211 n_max = -1; 1212 } 1213 if (!add_attribute_object(req, 1214 v->value, def, value, nid, n_min, n_max, chtype)) 1215 return 0; 1216 } 1217 } 1218 } else { 1219 BIO_printf(bio_err, "No template, please set one up.\n"); 1220 return 0; 1221 } 1222 1223 return 1; 1224 1225 } 1226 1227 static int 1228 auto_info(X509_REQ * req, STACK_OF(CONF_VALUE) * dn_sk, 1229 STACK_OF(CONF_VALUE) * attr_sk, int attribs, unsigned long chtype) 1230 { 1231 int i; 1232 char *p, *q; 1233 char *type; 1234 CONF_VALUE *v; 1235 X509_NAME *subj; 1236 1237 subj = X509_REQ_get_subject_name(req); 1238 1239 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) { 1240 int mval; 1241 v = sk_CONF_VALUE_value(dn_sk, i); 1242 p = q = NULL; 1243 type = v->name; 1244 /* 1245 * Skip past any leading X. X: X, etc to allow for multiple 1246 * instances 1247 */ 1248 for (p = v->name; *p; p++) 1249 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1250 p++; 1251 if (*p) 1252 type = p; 1253 break; 1254 } 1255 if (*p == '+') { 1256 p++; 1257 mval = -1; 1258 } else 1259 mval = 0; 1260 if (!X509_NAME_add_entry_by_txt(subj, type, chtype, 1261 (unsigned char *) v->value, -1, -1, mval)) 1262 return 0; 1263 1264 } 1265 1266 if (!X509_NAME_entry_count(subj)) { 1267 BIO_printf(bio_err, "error, no objects specified in config file\n"); 1268 return 0; 1269 } 1270 if (attribs) { 1271 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) { 1272 v = sk_CONF_VALUE_value(attr_sk, i); 1273 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype, 1274 (unsigned char *) v->value, -1)) 1275 return 0; 1276 } 1277 } 1278 return 1; 1279 } 1280 1281 1282 static int 1283 add_DN_object(X509_NAME * n, char *text, const char *def, char *value, 1284 int nid, int n_min, int n_max, unsigned long chtype, int mval) 1285 { 1286 int i, ret = 0; 1287 char buf[1024]; 1288 start: 1289 if (!batch) 1290 BIO_printf(bio_err, "%s [%s]:", text, def); 1291 (void) BIO_flush(bio_err); 1292 if (value != NULL) { 1293 strlcpy(buf, value, sizeof buf); 1294 strlcat(buf, "\n", sizeof buf); 1295 BIO_printf(bio_err, "%s\n", value); 1296 } else { 1297 buf[0] = '\0'; 1298 if (!batch) { 1299 if (!fgets(buf, sizeof buf, stdin)) 1300 return 0; 1301 } else { 1302 buf[0] = '\n'; 1303 buf[1] = '\0'; 1304 } 1305 } 1306 1307 if (buf[0] == '\0') 1308 return (0); 1309 else if (buf[0] == '\n') { 1310 if ((def == NULL) || (def[0] == '\0')) 1311 return (1); 1312 strlcpy(buf, def, sizeof buf); 1313 strlcat(buf, "\n", sizeof buf); 1314 } else if ((buf[0] == '.') && (buf[1] == '\n')) 1315 return (1); 1316 1317 i = strlen(buf); 1318 if (buf[i - 1] != '\n') { 1319 BIO_printf(bio_err, "weird input :-(\n"); 1320 return (0); 1321 } 1322 buf[--i] = '\0'; 1323 if (!req_check_len(i, n_min, n_max)) 1324 goto start; 1325 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, 1326 (unsigned char *) buf, -1, -1, mval)) 1327 goto err; 1328 ret = 1; 1329 err: 1330 return (ret); 1331 } 1332 1333 static int 1334 add_attribute_object(X509_REQ * req, char *text, const char *def, 1335 char *value, int nid, int n_min, 1336 int n_max, unsigned long chtype) 1337 { 1338 int i; 1339 static char buf[1024]; 1340 1341 start: 1342 if (!batch) 1343 BIO_printf(bio_err, "%s [%s]:", text, def); 1344 (void) BIO_flush(bio_err); 1345 if (value != NULL) { 1346 strlcpy(buf, value, sizeof buf); 1347 strlcat(buf, "\n", sizeof buf); 1348 BIO_printf(bio_err, "%s\n", value); 1349 } else { 1350 buf[0] = '\0'; 1351 if (!batch) { 1352 if (!fgets(buf, sizeof buf, stdin)) 1353 return 0; 1354 } else { 1355 buf[0] = '\n'; 1356 buf[1] = '\0'; 1357 } 1358 } 1359 1360 if (buf[0] == '\0') 1361 return (0); 1362 else if (buf[0] == '\n') { 1363 if ((def == NULL) || (def[0] == '\0')) 1364 return (1); 1365 strlcpy(buf, def, sizeof buf); 1366 strlcat(buf, "\n", sizeof buf); 1367 } else if ((buf[0] == '.') && (buf[1] == '\n')) 1368 return (1); 1369 1370 i = strlen(buf); 1371 if (buf[i - 1] != '\n') { 1372 BIO_printf(bio_err, "weird input :-(\n"); 1373 return (0); 1374 } 1375 buf[--i] = '\0'; 1376 if (!req_check_len(i, n_min, n_max)) 1377 goto start; 1378 1379 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype, 1380 (unsigned char *) buf, -1)) { 1381 BIO_printf(bio_err, "Error adding attribute\n"); 1382 ERR_print_errors(bio_err); 1383 goto err; 1384 } 1385 return (1); 1386 err: 1387 return (0); 1388 } 1389 1390 static int 1391 req_check_len(int len, int n_min, int n_max) 1392 { 1393 if ((n_min > 0) && (len < n_min)) { 1394 BIO_printf(bio_err, "string is too short, it needs to be at least %d bytes long\n", n_min); 1395 return (0); 1396 } 1397 if ((n_max >= 0) && (len > n_max)) { 1398 BIO_printf(bio_err, "string is too long, it needs to be less than %d bytes long\n", n_max); 1399 return (0); 1400 } 1401 return (1); 1402 } 1403 1404 /* Check if the end of a string matches 'end' */ 1405 static int 1406 check_end(const char *str, const char *end) 1407 { 1408 int elen, slen; 1409 const char *tmp; 1410 elen = strlen(end); 1411 slen = strlen(str); 1412 if (elen > slen) 1413 return 1; 1414 tmp = str + slen - elen; 1415 return strcmp(tmp, end); 1416 } 1417 1418 static EVP_PKEY_CTX * 1419 set_keygen_ctx(BIO * err, const char *gstr, int *pkey_type, 1420 long *pkeylen, char **palgnam) 1421 { 1422 EVP_PKEY_CTX *gctx = NULL; 1423 EVP_PKEY *param = NULL; 1424 long keylen = -1; 1425 BIO *pbio = NULL; 1426 const char *paramfile = NULL; 1427 const char *errstr; 1428 1429 if (gstr == NULL) { 1430 *pkey_type = EVP_PKEY_RSA; 1431 keylen = *pkeylen; 1432 } else if (gstr[0] >= '0' && gstr[0] <= '9') { 1433 *pkey_type = EVP_PKEY_RSA; 1434 keylen = strtonum(gstr, 0, LONG_MAX, &errstr); 1435 if (errstr) { 1436 BIO_printf(err, "bad algorithm %s: %s\n", gstr, errstr); 1437 return NULL; 1438 } 1439 *pkeylen = keylen; 1440 } else if (!strncmp(gstr, "param:", 6)) 1441 paramfile = gstr + 6; 1442 else { 1443 const char *p = strchr(gstr, ':'); 1444 int len; 1445 const EVP_PKEY_ASN1_METHOD *ameth; 1446 1447 if (p) 1448 len = p - gstr; 1449 else 1450 len = strlen(gstr); 1451 1452 ameth = EVP_PKEY_asn1_find_str(NULL, gstr, len); 1453 1454 if (!ameth) { 1455 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); 1456 return NULL; 1457 } 1458 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, 1459 ameth); 1460 if (*pkey_type == EVP_PKEY_RSA) { 1461 if (p) { 1462 keylen = strtonum(p + 1, 0, LONG_MAX, &errstr); 1463 if (errstr) { 1464 BIO_printf(err, "bad algorithm %s: %s\n", 1465 p + 1, errstr); 1466 return NULL; 1467 } 1468 *pkeylen = keylen; 1469 } else 1470 keylen = *pkeylen; 1471 } else if (p) 1472 paramfile = p + 1; 1473 } 1474 1475 if (paramfile) { 1476 pbio = BIO_new_file(paramfile, "r"); 1477 if (!pbio) { 1478 BIO_printf(err, "Can't open parameter file %s\n", 1479 paramfile); 1480 return NULL; 1481 } 1482 param = PEM_read_bio_Parameters(pbio, NULL); 1483 1484 if (!param) { 1485 X509 *x; 1486 (void) BIO_reset(pbio); 1487 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); 1488 if (x) { 1489 param = X509_get_pubkey(x); 1490 X509_free(x); 1491 } 1492 } 1493 BIO_free(pbio); 1494 1495 if (!param) { 1496 BIO_printf(err, "Error reading parameter file %s\n", 1497 paramfile); 1498 return NULL; 1499 } 1500 if (*pkey_type == -1) 1501 *pkey_type = EVP_PKEY_id(param); 1502 else if (*pkey_type != EVP_PKEY_base_id(param)) { 1503 BIO_printf(err, "Key Type does not match parameters\n"); 1504 EVP_PKEY_free(param); 1505 return NULL; 1506 } 1507 } 1508 if (palgnam) { 1509 const EVP_PKEY_ASN1_METHOD *ameth; 1510 const char *anam; 1511 ameth = EVP_PKEY_asn1_find(NULL, *pkey_type); 1512 if (!ameth) { 1513 BIO_puts(err, "Internal error: can't find key algorithm\n"); 1514 return NULL; 1515 } 1516 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); 1517 *palgnam = strdup(anam); 1518 } 1519 if (param) { 1520 gctx = EVP_PKEY_CTX_new(param, NULL); 1521 *pkeylen = EVP_PKEY_bits(param); 1522 EVP_PKEY_free(param); 1523 } else 1524 gctx = EVP_PKEY_CTX_new_id(*pkey_type, NULL); 1525 1526 if (!gctx) { 1527 BIO_puts(err, "Error allocating keygen context\n"); 1528 ERR_print_errors(err); 1529 return NULL; 1530 } 1531 if (EVP_PKEY_keygen_init(gctx) <= 0) { 1532 BIO_puts(err, "Error initializing keygen context\n"); 1533 ERR_print_errors(err); 1534 return NULL; 1535 } 1536 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) { 1537 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) { 1538 BIO_puts(err, "Error setting RSA keysize\n"); 1539 ERR_print_errors(err); 1540 EVP_PKEY_CTX_free(gctx); 1541 return NULL; 1542 } 1543 } 1544 1545 return gctx; 1546 } 1547 1548 static int 1549 genpkey_cb(EVP_PKEY_CTX * ctx) 1550 { 1551 char c = '*'; 1552 BIO *b = EVP_PKEY_CTX_get_app_data(ctx); 1553 int p; 1554 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); 1555 if (p == 0) 1556 c = '.'; 1557 if (p == 1) 1558 c = '+'; 1559 if (p == 2) 1560 c = '*'; 1561 if (p == 3) 1562 c = '\n'; 1563 BIO_write(b, &c, 1); 1564 (void) BIO_flush(b); 1565 return 1; 1566 } 1567 1568 static int 1569 do_sign_init(BIO * err, EVP_MD_CTX * ctx, EVP_PKEY * pkey, 1570 const EVP_MD * md, STACK_OF(OPENSSL_STRING) * sigopts) 1571 { 1572 EVP_PKEY_CTX *pkctx = NULL; 1573 int i; 1574 EVP_MD_CTX_init(ctx); 1575 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)) 1576 return 0; 1577 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { 1578 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); 1579 if (pkey_ctrl_string(pkctx, sigopt) <= 0) { 1580 BIO_printf(err, "parameter error \"%s\"\n", sigopt); 1581 ERR_print_errors(bio_err); 1582 return 0; 1583 } 1584 } 1585 return 1; 1586 } 1587 1588 int 1589 do_X509_sign(BIO * err, X509 * x, EVP_PKEY * pkey, const EVP_MD * md, 1590 STACK_OF(OPENSSL_STRING) * sigopts) 1591 { 1592 int rv; 1593 EVP_MD_CTX mctx; 1594 EVP_MD_CTX_init(&mctx); 1595 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1596 if (rv > 0) 1597 rv = X509_sign_ctx(x, &mctx); 1598 EVP_MD_CTX_cleanup(&mctx); 1599 return rv > 0 ? 1 : 0; 1600 } 1601 1602 1603 int 1604 do_X509_REQ_sign(BIO * err, X509_REQ * x, EVP_PKEY * pkey, const EVP_MD * md, 1605 STACK_OF(OPENSSL_STRING) * sigopts) 1606 { 1607 int rv; 1608 EVP_MD_CTX mctx; 1609 EVP_MD_CTX_init(&mctx); 1610 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1611 if (rv > 0) 1612 rv = X509_REQ_sign_ctx(x, &mctx); 1613 EVP_MD_CTX_cleanup(&mctx); 1614 return rv > 0 ? 1 : 0; 1615 } 1616 1617 1618 1619 int 1620 do_X509_CRL_sign(BIO * err, X509_CRL * x, EVP_PKEY * pkey, const EVP_MD * md, 1621 STACK_OF(OPENSSL_STRING) * sigopts) 1622 { 1623 int rv; 1624 EVP_MD_CTX mctx; 1625 EVP_MD_CTX_init(&mctx); 1626 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1627 if (rv > 0) 1628 rv = X509_CRL_sign_ctx(x, &mctx); 1629 EVP_MD_CTX_cleanup(&mctx); 1630 return rv > 0 ? 1 : 0; 1631 } 1632 1633 static unsigned long 1634 ext_name_hash(const OPENSSL_STRING *a) 1635 { 1636 return lh_strhash((const char *)a); 1637 } 1638 1639 static int 1640 ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b) 1641 { 1642 return strcmp((const char *)a, (const char *)b); 1643 } 1644 1645 static void 1646 exts_cleanup(OPENSSL_STRING *x) 1647 { 1648 free((char *)x); 1649 } 1650 1651 /* 1652 * Is the |kv| key already duplicated ? This is remarkably tricky to get right. 1653 * Return 0 if unique, -1 on runtime error; 1 if found or a syntax error. 1654 */ 1655 static int 1656 duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv) 1657 { 1658 char *p; 1659 size_t off; 1660 1661 /* Check syntax. */ 1662 /* Skip leading whitespace, make a copy. */ 1663 while (*kv && isspace(*kv)) 1664 if (*++kv == '\0') 1665 return 1; 1666 if ((p = strchr(kv, '=')) == NULL) 1667 return 1; 1668 off = p - kv; 1669 if ((kv = strdup(kv)) == NULL) 1670 return -1; 1671 1672 /* Skip trailing space before the equal sign. */ 1673 for (p = kv + off; p > kv; --p) 1674 if (!isspace(p[-1])) 1675 break; 1676 if (p == kv) { 1677 free(kv); 1678 return 1; 1679 } 1680 *p = '\0'; 1681 1682 /* See if "key" is there by attempting to add it. */ 1683 if ((p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv)) 1684 != NULL || lh_OPENSSL_STRING_error(addexts)) { 1685 free(p != NULL ? p : kv); 1686 return -1; 1687 } 1688 1689 return 0; 1690 } 1691