1 /* $OpenBSD: x509.c,v 1.11 2015/10/17 07:51:10 semarie 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 #include <assert.h> 60 #include <stdio.h> 61 #include <stdlib.h> 62 #include <limits.h> 63 #include <string.h> 64 65 #include "apps.h" 66 67 #include <openssl/asn1.h> 68 #include <openssl/bio.h> 69 #include <openssl/bn.h> 70 #include <openssl/err.h> 71 #include <openssl/evp.h> 72 #include <openssl/objects.h> 73 #include <openssl/pem.h> 74 #include <openssl/x509.h> 75 #include <openssl/x509v3.h> 76 77 #include <openssl/dsa.h> 78 79 #include <openssl/rsa.h> 80 81 #define POSTFIX ".srl" 82 #define DEF_DAYS 30 83 84 static const char *x509_usage[] = { 85 "usage: x509 args\n", 86 " -inform arg - input format - default PEM (one of DER, NET or PEM)\n", 87 " -outform arg - output format - default PEM (one of DER, NET or PEM)\n", 88 " -keyform arg - private key format - default PEM\n", 89 " -CAform arg - CA format - default PEM\n", 90 " -CAkeyform arg - CA key format - default PEM\n", 91 " -in arg - input file - default stdin\n", 92 " -out arg - output file - default stdout\n", 93 " -passin arg - private key password source\n", 94 " -serial - print serial number value\n", 95 " -subject_hash - print subject hash value\n", 96 #ifndef OPENSSL_NO_MD5 97 " -subject_hash_old - print old-style (MD5) subject hash value\n", 98 #endif 99 " -issuer_hash - print issuer hash value\n", 100 #ifndef OPENSSL_NO_MD5 101 " -issuer_hash_old - print old-style (MD5) issuer hash value\n", 102 #endif 103 " -hash - synonym for -subject_hash\n", 104 " -subject - print subject DN\n", 105 " -issuer - print issuer DN\n", 106 " -email - print email address(es)\n", 107 " -startdate - notBefore field\n", 108 " -enddate - notAfter field\n", 109 " -purpose - print out certificate purposes\n", 110 " -dates - both Before and After dates\n", 111 " -modulus - print the RSA key modulus\n", 112 " -pubkey - output the public key\n", 113 " -fingerprint - print the certificate fingerprint\n", 114 " -alias - output certificate alias\n", 115 " -noout - no certificate output\n", 116 " -ocspid - print OCSP hash values for the subject name and public key\n", 117 " -ocsp_uri - print OCSP Responder URL(s)\n", 118 " -trustout - output a \"trusted\" certificate\n", 119 " -clrtrust - clear all trusted purposes\n", 120 " -clrreject - clear all rejected purposes\n", 121 " -addtrust arg - trust certificate for a given purpose\n", 122 " -addreject arg - reject certificate for a given purpose\n", 123 " -setalias arg - set certificate alias\n", 124 " -days arg - How long till expiry of a signed certificate - def 30 days\n", 125 " -checkend arg - check whether the cert expires in the next arg seconds\n", 126 " exit 1 if so, 0 if not\n", 127 " -signkey arg - self sign cert with arg\n", 128 " -x509toreq - output a certification request object\n", 129 " -req - input is a certificate request, sign and output.\n", 130 " -CA arg - set the CA certificate, must be PEM format.\n", 131 " -CAkey arg - set the CA key, must be PEM format\n", 132 " missing, it is assumed to be in the CA file.\n", 133 " -CAcreateserial - create serial number file if it does not exist\n", 134 " -CAserial arg - serial file\n", 135 " -set_serial - serial number to use\n", 136 " -text - print the certificate in text form\n", 137 " -C - print out C code forms\n", 138 " -md5/-sha1 - digest to use\n", 139 " -extfile - configuration file with X509V3 extensions to add\n", 140 " -extensions - section from config file with X509V3 extensions to add\n", 141 " -clrext - delete extensions before signing and input certificate\n", 142 " -nameopt arg - various certificate name options\n", 143 " -certopt arg - various certificate text options\n", 144 NULL 145 }; 146 147 static int callb(int ok, X509_STORE_CTX *ctx); 148 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, 149 const EVP_MD *digest, CONF *conf, char *section); 150 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, 151 X509 *x, X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts, 152 char *serial, int create, int days, int clrext, CONF *conf, char *section, 153 ASN1_INTEGER *sno); 154 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt); 155 static int reqfile = 0; 156 157 int 158 x509_main(int argc, char **argv) 159 { 160 int ret = 1; 161 X509_REQ *req = NULL; 162 X509 *x = NULL, *xca = NULL; 163 ASN1_OBJECT *objtmp; 164 STACK_OF(OPENSSL_STRING) *sigopts = NULL; 165 EVP_PKEY *Upkey = NULL, *CApkey = NULL; 166 ASN1_INTEGER *sno = NULL; 167 int i, num, badops = 0; 168 BIO *out = NULL; 169 BIO *STDout = NULL; 170 STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL; 171 int informat, outformat, keyformat, CAformat, CAkeyformat; 172 char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL; 173 char *CAkeyfile = NULL, *CAserial = NULL; 174 char *alias = NULL; 175 int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0, 176 enddate = 0; 177 int next_serial = 0; 178 int subject_hash = 0, issuer_hash = 0, ocspid = 0; 179 #ifndef OPENSSL_NO_MD5 180 int subject_hash_old = 0, issuer_hash_old = 0; 181 #endif 182 int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0, 183 email = 0; 184 int ocsp_uri = 0; 185 int trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0, clrext = 0; 186 int C = 0; 187 int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0; 188 int pprint = 0; 189 const char **pp; 190 X509_STORE *ctx = NULL; 191 X509_REQ *rq = NULL; 192 int fingerprint = 0; 193 char buf[256]; 194 const EVP_MD *md_alg, *digest = NULL; 195 CONF *extconf = NULL; 196 char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL; 197 int checkend = 0, checkoffset = 0; 198 unsigned long nmflag = 0, certflag = 0; 199 const char *errstr = NULL; 200 201 if (single_execution) { 202 if (pledge("stdio rpath wpath cpath tty", NULL) == -1) { 203 perror("pledge"); 204 exit(1); 205 } 206 } 207 208 reqfile = 0; 209 210 STDout = BIO_new_fp(stdout, BIO_NOCLOSE); 211 212 informat = FORMAT_PEM; 213 outformat = FORMAT_PEM; 214 keyformat = FORMAT_PEM; 215 CAformat = FORMAT_PEM; 216 CAkeyformat = FORMAT_PEM; 217 218 ctx = X509_STORE_new(); 219 if (ctx == NULL) 220 goto end; 221 X509_STORE_set_verify_cb(ctx, callb); 222 223 argc--; 224 argv++; 225 num = 0; 226 while (argc >= 1) { 227 if (strcmp(*argv, "-inform") == 0) { 228 if (--argc < 1) 229 goto bad; 230 informat = str2fmt(*(++argv)); 231 } else if (strcmp(*argv, "-outform") == 0) { 232 if (--argc < 1) 233 goto bad; 234 outformat = str2fmt(*(++argv)); 235 } else if (strcmp(*argv, "-keyform") == 0) { 236 if (--argc < 1) 237 goto bad; 238 keyformat = str2fmt(*(++argv)); 239 } else if (strcmp(*argv, "-req") == 0) { 240 reqfile = 1; 241 } else if (strcmp(*argv, "-CAform") == 0) { 242 if (--argc < 1) 243 goto bad; 244 CAformat = str2fmt(*(++argv)); 245 } else if (strcmp(*argv, "-CAkeyform") == 0) { 246 if (--argc < 1) 247 goto bad; 248 CAkeyformat = str2fmt(*(++argv)); 249 } else if (strcmp(*argv, "-sigopt") == 0) { 250 if (--argc < 1) 251 goto bad; 252 if (!sigopts) 253 sigopts = sk_OPENSSL_STRING_new_null(); 254 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv))) 255 goto bad; 256 } else if (strcmp(*argv, "-days") == 0) { 257 if (--argc < 1) 258 goto bad; 259 days = strtonum(*(++argv), 1, INT_MAX, &errstr); 260 if (errstr) { 261 BIO_printf(bio_err, "bad number of days: %s\n", errstr); 262 goto bad; 263 } 264 } else if (strcmp(*argv, "-passin") == 0) { 265 if (--argc < 1) 266 goto bad; 267 passargin = *(++argv); 268 } else if (strcmp(*argv, "-extfile") == 0) { 269 if (--argc < 1) 270 goto bad; 271 extfile = *(++argv); 272 } else if (strcmp(*argv, "-extensions") == 0) { 273 if (--argc < 1) 274 goto bad; 275 extsect = *(++argv); 276 } else if (strcmp(*argv, "-in") == 0) { 277 if (--argc < 1) 278 goto bad; 279 infile = *(++argv); 280 } else if (strcmp(*argv, "-out") == 0) { 281 if (--argc < 1) 282 goto bad; 283 outfile = *(++argv); 284 } else if (strcmp(*argv, "-signkey") == 0) { 285 if (--argc < 1) 286 goto bad; 287 keyfile = *(++argv); 288 sign_flag = ++num; 289 } else if (strcmp(*argv, "-CA") == 0) { 290 if (--argc < 1) 291 goto bad; 292 CAfile = *(++argv); 293 CA_flag = ++num; 294 } else if (strcmp(*argv, "-CAkey") == 0) { 295 if (--argc < 1) 296 goto bad; 297 CAkeyfile = *(++argv); 298 } else if (strcmp(*argv, "-CAserial") == 0) { 299 if (--argc < 1) 300 goto bad; 301 CAserial = *(++argv); 302 } else if (strcmp(*argv, "-set_serial") == 0) { 303 if (--argc < 1) 304 goto bad; 305 ASN1_INTEGER_free(sno); 306 if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv)))) 307 goto bad; 308 } else if (strcmp(*argv, "-addtrust") == 0) { 309 if (--argc < 1) 310 goto bad; 311 if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) { 312 BIO_printf(bio_err, 313 "Invalid trust object value %s\n", *argv); 314 goto bad; 315 } 316 if (!trust) 317 trust = sk_ASN1_OBJECT_new_null(); 318 sk_ASN1_OBJECT_push(trust, objtmp); 319 trustout = 1; 320 } else if (strcmp(*argv, "-addreject") == 0) { 321 if (--argc < 1) 322 goto bad; 323 if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) { 324 BIO_printf(bio_err, 325 "Invalid reject object value %s\n", *argv); 326 goto bad; 327 } 328 if (!reject) 329 reject = sk_ASN1_OBJECT_new_null(); 330 sk_ASN1_OBJECT_push(reject, objtmp); 331 trustout = 1; 332 } else if (strcmp(*argv, "-setalias") == 0) { 333 if (--argc < 1) 334 goto bad; 335 alias = *(++argv); 336 trustout = 1; 337 } else if (strcmp(*argv, "-certopt") == 0) { 338 if (--argc < 1) 339 goto bad; 340 if (!set_cert_ex(&certflag, *(++argv))) 341 goto bad; 342 } else if (strcmp(*argv, "-nameopt") == 0) { 343 if (--argc < 1) 344 goto bad; 345 if (!set_name_ex(&nmflag, *(++argv))) 346 goto bad; 347 } 348 else if (strcmp(*argv, "-C") == 0) 349 C = ++num; 350 else if (strcmp(*argv, "-email") == 0) 351 email = ++num; 352 else if (strcmp(*argv, "-ocsp_uri") == 0) 353 ocsp_uri = ++num; 354 else if (strcmp(*argv, "-serial") == 0) 355 serial = ++num; 356 else if (strcmp(*argv, "-next_serial") == 0) 357 next_serial = ++num; 358 else if (strcmp(*argv, "-modulus") == 0) 359 modulus = ++num; 360 else if (strcmp(*argv, "-pubkey") == 0) 361 pubkey = ++num; 362 else if (strcmp(*argv, "-x509toreq") == 0) 363 x509req = ++num; 364 else if (strcmp(*argv, "-text") == 0) 365 text = ++num; 366 else if (strcmp(*argv, "-hash") == 0 || 367 strcmp(*argv, "-subject_hash") == 0) 368 subject_hash = ++num; 369 #ifndef OPENSSL_NO_MD5 370 else if (strcmp(*argv, "-subject_hash_old") == 0) 371 subject_hash_old = ++num; 372 #endif 373 else if (strcmp(*argv, "-issuer_hash") == 0) 374 issuer_hash = ++num; 375 #ifndef OPENSSL_NO_MD5 376 else if (strcmp(*argv, "-issuer_hash_old") == 0) 377 issuer_hash_old = ++num; 378 #endif 379 else if (strcmp(*argv, "-subject") == 0) 380 subject = ++num; 381 else if (strcmp(*argv, "-issuer") == 0) 382 issuer = ++num; 383 else if (strcmp(*argv, "-fingerprint") == 0) 384 fingerprint = ++num; 385 else if (strcmp(*argv, "-dates") == 0) { 386 startdate = ++num; 387 enddate = ++num; 388 } else if (strcmp(*argv, "-purpose") == 0) 389 pprint = ++num; 390 else if (strcmp(*argv, "-startdate") == 0) 391 startdate = ++num; 392 else if (strcmp(*argv, "-enddate") == 0) 393 enddate = ++num; 394 else if (strcmp(*argv, "-checkend") == 0) { 395 if (--argc < 1) 396 goto bad; 397 checkoffset = strtonum(*(++argv), 0, INT_MAX, &errstr); 398 if (errstr) { 399 BIO_printf(bio_err, "checkend unusable: %s\n", errstr); 400 goto bad; 401 } 402 checkend = 1; 403 } else if (strcmp(*argv, "-noout") == 0) 404 noout = ++num; 405 else if (strcmp(*argv, "-trustout") == 0) 406 trustout = 1; 407 else if (strcmp(*argv, "-clrtrust") == 0) 408 clrtrust = ++num; 409 else if (strcmp(*argv, "-clrreject") == 0) 410 clrreject = ++num; 411 else if (strcmp(*argv, "-alias") == 0) 412 aliasout = ++num; 413 else if (strcmp(*argv, "-CAcreateserial") == 0) 414 CA_createserial = ++num; 415 else if (strcmp(*argv, "-clrext") == 0) 416 clrext = 1; 417 else if (strcmp(*argv, "-ocspid") == 0) 418 ocspid = ++num; 419 else if ((md_alg = EVP_get_digestbyname(*argv + 1))) { 420 /* ok */ 421 digest = md_alg; 422 } else { 423 BIO_printf(bio_err, "unknown option %s\n", *argv); 424 badops = 1; 425 break; 426 } 427 argc--; 428 argv++; 429 } 430 431 if (badops) { 432 bad: 433 for (pp = x509_usage; (*pp != NULL); pp++) 434 BIO_printf(bio_err, "%s", *pp); 435 goto end; 436 } 437 438 if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { 439 BIO_printf(bio_err, "Error getting password\n"); 440 goto end; 441 } 442 if (!X509_STORE_set_default_paths(ctx)) { 443 ERR_print_errors(bio_err); 444 goto end; 445 } 446 if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) { 447 CAkeyfile = CAfile; 448 } else if ((CA_flag) && (CAkeyfile == NULL)) { 449 BIO_printf(bio_err, 450 "need to specify a CAkey if using the CA command\n"); 451 goto end; 452 } 453 if (extfile) { 454 long errorline = -1; 455 X509V3_CTX ctx2; 456 extconf = NCONF_new(NULL); 457 if (!NCONF_load(extconf, extfile, &errorline)) { 458 if (errorline <= 0) 459 BIO_printf(bio_err, 460 "error loading the config file '%s'\n", 461 extfile); 462 else 463 BIO_printf(bio_err, 464 "error on line %ld of config file '%s'\n", 465 errorline, extfile); 466 goto end; 467 } 468 if (!extsect) { 469 extsect = NCONF_get_string(extconf, "default", 470 "extensions"); 471 if (!extsect) { 472 ERR_clear_error(); 473 extsect = "default"; 474 } 475 } 476 X509V3_set_ctx_test(&ctx2); 477 X509V3_set_nconf(&ctx2, extconf); 478 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) { 479 BIO_printf(bio_err, 480 "Error Loading extension section %s\n", 481 extsect); 482 ERR_print_errors(bio_err); 483 goto end; 484 } 485 } 486 if (reqfile) { 487 EVP_PKEY *pkey; 488 BIO *in; 489 490 if (!sign_flag && !CA_flag) { 491 BIO_printf(bio_err, "We need a private key to sign with\n"); 492 goto end; 493 } 494 in = BIO_new(BIO_s_file()); 495 if (in == NULL) { 496 ERR_print_errors(bio_err); 497 goto end; 498 } 499 if (infile == NULL) 500 BIO_set_fp(in, stdin, BIO_NOCLOSE | BIO_FP_TEXT); 501 else { 502 if (BIO_read_filename(in, infile) <= 0) { 503 perror(infile); 504 BIO_free(in); 505 goto end; 506 } 507 } 508 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL); 509 BIO_free(in); 510 511 if (req == NULL) { 512 ERR_print_errors(bio_err); 513 goto end; 514 } 515 if ((req->req_info == NULL) || 516 (req->req_info->pubkey == NULL) || 517 (req->req_info->pubkey->public_key == NULL) || 518 (req->req_info->pubkey->public_key->data == NULL)) { 519 BIO_printf(bio_err, "The certificate request appears to corrupted\n"); 520 BIO_printf(bio_err, "It does not contain a public key\n"); 521 goto end; 522 } 523 if ((pkey = X509_REQ_get_pubkey(req)) == NULL) { 524 BIO_printf(bio_err, "error unpacking public key\n"); 525 goto end; 526 } 527 i = X509_REQ_verify(req, pkey); 528 EVP_PKEY_free(pkey); 529 if (i < 0) { 530 BIO_printf(bio_err, "Signature verification error\n"); 531 ERR_print_errors(bio_err); 532 goto end; 533 } 534 if (i == 0) { 535 BIO_printf(bio_err, "Signature did not match the certificate request\n"); 536 goto end; 537 } else 538 BIO_printf(bio_err, "Signature ok\n"); 539 540 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag); 541 542 if ((x = X509_new()) == NULL) 543 goto end; 544 545 if (sno == NULL) { 546 sno = ASN1_INTEGER_new(); 547 if (!sno || !rand_serial(NULL, sno)) 548 goto end; 549 if (!X509_set_serialNumber(x, sno)) 550 goto end; 551 ASN1_INTEGER_free(sno); 552 sno = NULL; 553 } else if (!X509_set_serialNumber(x, sno)) 554 goto end; 555 556 if (!X509_set_issuer_name(x, req->req_info->subject)) 557 goto end; 558 if (!X509_set_subject_name(x, req->req_info->subject)) 559 goto end; 560 561 X509_gmtime_adj(X509_get_notBefore(x), 0); 562 X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL); 563 564 pkey = X509_REQ_get_pubkey(req); 565 X509_set_pubkey(x, pkey); 566 EVP_PKEY_free(pkey); 567 } else 568 x = load_cert(bio_err, infile, informat, NULL, "Certificate"); 569 570 if (x == NULL) 571 goto end; 572 if (CA_flag) { 573 xca = load_cert(bio_err, CAfile, CAformat, NULL, "CA Certificate"); 574 if (xca == NULL) 575 goto end; 576 } 577 if (!noout || text || next_serial) { 578 OBJ_create("2.99999.3", 579 "SET.ex3", "SET x509v3 extension 3"); 580 581 out = BIO_new(BIO_s_file()); 582 if (out == NULL) { 583 ERR_print_errors(bio_err); 584 goto end; 585 } 586 if (outfile == NULL) { 587 BIO_set_fp(out, stdout, BIO_NOCLOSE); 588 } else { 589 if (BIO_write_filename(out, outfile) <= 0) { 590 perror(outfile); 591 goto end; 592 } 593 } 594 } 595 if (alias) 596 X509_alias_set1(x, (unsigned char *) alias, -1); 597 598 if (clrtrust) 599 X509_trust_clear(x); 600 if (clrreject) 601 X509_reject_clear(x); 602 603 if (trust) { 604 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) { 605 objtmp = sk_ASN1_OBJECT_value(trust, i); 606 X509_add1_trust_object(x, objtmp); 607 } 608 } 609 if (reject) { 610 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) { 611 objtmp = sk_ASN1_OBJECT_value(reject, i); 612 X509_add1_reject_object(x, objtmp); 613 } 614 } 615 if (num) { 616 for (i = 1; i <= num; i++) { 617 if (issuer == i) { 618 print_name(STDout, "issuer= ", 619 X509_get_issuer_name(x), nmflag); 620 } else if (subject == i) { 621 print_name(STDout, "subject= ", 622 X509_get_subject_name(x), nmflag); 623 } else if (serial == i) { 624 BIO_printf(STDout, "serial="); 625 i2a_ASN1_INTEGER(STDout, 626 X509_get_serialNumber(x)); 627 BIO_printf(STDout, "\n"); 628 } else if (next_serial == i) { 629 BIGNUM *bnser; 630 ASN1_INTEGER *ser; 631 ser = X509_get_serialNumber(x); 632 bnser = ASN1_INTEGER_to_BN(ser, NULL); 633 if (!bnser) 634 goto end; 635 if (!BN_add_word(bnser, 1)) 636 goto end; 637 ser = BN_to_ASN1_INTEGER(bnser, NULL); 638 if (!ser) 639 goto end; 640 BN_free(bnser); 641 i2a_ASN1_INTEGER(out, ser); 642 ASN1_INTEGER_free(ser); 643 BIO_puts(out, "\n"); 644 } else if ((email == i) || (ocsp_uri == i)) { 645 int j; 646 STACK_OF(OPENSSL_STRING) *emlst; 647 if (email == i) 648 emlst = X509_get1_email(x); 649 else 650 emlst = X509_get1_ocsp(x); 651 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++) 652 BIO_printf(STDout, "%s\n", 653 sk_OPENSSL_STRING_value(emlst, j)); 654 X509_email_free(emlst); 655 } else if (aliasout == i) { 656 unsigned char *alstr; 657 alstr = X509_alias_get0(x, NULL); 658 if (alstr) 659 BIO_printf(STDout, "%s\n", alstr); 660 else 661 BIO_puts(STDout, "<No Alias>\n"); 662 } else if (subject_hash == i) { 663 BIO_printf(STDout, "%08lx\n", X509_subject_name_hash(x)); 664 } 665 #ifndef OPENSSL_NO_MD5 666 else if (subject_hash_old == i) { 667 BIO_printf(STDout, "%08lx\n", X509_subject_name_hash_old(x)); 668 } 669 #endif 670 else if (issuer_hash == i) { 671 BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash(x)); 672 } 673 #ifndef OPENSSL_NO_MD5 674 else if (issuer_hash_old == i) { 675 BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash_old(x)); 676 } 677 #endif 678 else if (pprint == i) { 679 X509_PURPOSE *ptmp; 680 int j; 681 BIO_printf(STDout, "Certificate purposes:\n"); 682 for (j = 0; j < X509_PURPOSE_get_count(); j++) { 683 ptmp = X509_PURPOSE_get0(j); 684 purpose_print(STDout, x, ptmp); 685 } 686 } else if (modulus == i) { 687 EVP_PKEY *pkey; 688 689 pkey = X509_get_pubkey(x); 690 if (pkey == NULL) { 691 BIO_printf(bio_err, "Modulus=unavailable\n"); 692 ERR_print_errors(bio_err); 693 goto end; 694 } 695 BIO_printf(STDout, "Modulus="); 696 if (pkey->type == EVP_PKEY_RSA) 697 BN_print(STDout, pkey->pkey.rsa->n); 698 else 699 if (pkey->type == EVP_PKEY_DSA) 700 BN_print(STDout, pkey->pkey.dsa->pub_key); 701 else 702 BIO_printf(STDout, "Wrong Algorithm type"); 703 BIO_printf(STDout, "\n"); 704 EVP_PKEY_free(pkey); 705 } else if (pubkey == i) { 706 EVP_PKEY *pkey; 707 708 pkey = X509_get_pubkey(x); 709 if (pkey == NULL) { 710 BIO_printf(bio_err, "Error getting public key\n"); 711 ERR_print_errors(bio_err); 712 goto end; 713 } 714 PEM_write_bio_PUBKEY(STDout, pkey); 715 EVP_PKEY_free(pkey); 716 } else if (C == i) { 717 unsigned char *d; 718 char *m; 719 int y, z; 720 721 X509_NAME_oneline(X509_get_subject_name(x), 722 buf, sizeof buf); 723 BIO_printf(STDout, "/* subject:%s */\n", buf); 724 m = X509_NAME_oneline( 725 X509_get_issuer_name(x), buf, 726 sizeof buf); 727 BIO_printf(STDout, "/* issuer :%s */\n", buf); 728 729 z = i2d_X509(x, NULL); 730 m = malloc(z); 731 if (m == NULL) { 732 BIO_printf(bio_err, "out of mem\n"); 733 goto end; 734 } 735 736 d = (unsigned char *) m; 737 z = i2d_X509_NAME(X509_get_subject_name(x), &d); 738 BIO_printf(STDout, "unsigned char XXX_subject_name[%d]={\n", z); 739 d = (unsigned char *) m; 740 for (y = 0; y < z; y++) { 741 BIO_printf(STDout, "0x%02X,", d[y]); 742 if ((y & 0x0f) == 0x0f) 743 BIO_printf(STDout, "\n"); 744 } 745 if (y % 16 != 0) 746 BIO_printf(STDout, "\n"); 747 BIO_printf(STDout, "};\n"); 748 749 z = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d); 750 BIO_printf(STDout, "unsigned char XXX_public_key[%d]={\n", z); 751 d = (unsigned char *) m; 752 for (y = 0; y < z; y++) { 753 BIO_printf(STDout, "0x%02X,", d[y]); 754 if ((y & 0x0f) == 0x0f) 755 BIO_printf(STDout, "\n"); 756 } 757 if (y % 16 != 0) 758 BIO_printf(STDout, "\n"); 759 BIO_printf(STDout, "};\n"); 760 761 z = i2d_X509(x, &d); 762 BIO_printf(STDout, "unsigned char XXX_certificate[%d]={\n", z); 763 d = (unsigned char *) m; 764 for (y = 0; y < z; y++) { 765 BIO_printf(STDout, "0x%02X,", d[y]); 766 if ((y & 0x0f) == 0x0f) 767 BIO_printf(STDout, "\n"); 768 } 769 if (y % 16 != 0) 770 BIO_printf(STDout, "\n"); 771 BIO_printf(STDout, "};\n"); 772 773 free(m); 774 } else if (text == i) { 775 X509_print_ex(STDout, x, nmflag, certflag); 776 } else if (startdate == i) { 777 BIO_puts(STDout, "notBefore="); 778 ASN1_TIME_print(STDout, X509_get_notBefore(x)); 779 BIO_puts(STDout, "\n"); 780 } else if (enddate == i) { 781 BIO_puts(STDout, "notAfter="); 782 ASN1_TIME_print(STDout, X509_get_notAfter(x)); 783 BIO_puts(STDout, "\n"); 784 } else if (fingerprint == i) { 785 int j; 786 unsigned int n; 787 unsigned char md[EVP_MAX_MD_SIZE]; 788 const EVP_MD *fdig = digest; 789 790 if (!fdig) 791 fdig = EVP_sha1(); 792 793 if (!X509_digest(x, fdig, md, &n)) { 794 BIO_printf(bio_err, "out of memory\n"); 795 goto end; 796 } 797 BIO_printf(STDout, "%s Fingerprint=", 798 OBJ_nid2sn(EVP_MD_type(fdig))); 799 for (j = 0; j < (int) n; j++) { 800 BIO_printf(STDout, "%02X%c", md[j], 801 (j + 1 == (int)n) ? '\n' : ':'); 802 } 803 } 804 /* should be in the library */ 805 else if ((sign_flag == i) && (x509req == 0)) { 806 BIO_printf(bio_err, "Getting Private key\n"); 807 if (Upkey == NULL) { 808 Upkey = load_key(bio_err, 809 keyfile, keyformat, 0, 810 passin, "Private key"); 811 if (Upkey == NULL) 812 goto end; 813 } 814 if (!sign(x, Upkey, days, clrext, digest, 815 extconf, extsect)) 816 goto end; 817 } else if (CA_flag == i) { 818 BIO_printf(bio_err, "Getting CA Private Key\n"); 819 if (CAkeyfile != NULL) { 820 CApkey = load_key(bio_err, 821 CAkeyfile, CAkeyformat, 822 0, passin, "CA Private Key"); 823 if (CApkey == NULL) 824 goto end; 825 } 826 if (!x509_certify(ctx, CAfile, digest, x, xca, 827 CApkey, sigopts, 828 CAserial, CA_createserial, days, clrext, 829 extconf, extsect, sno)) 830 goto end; 831 } else if (x509req == i) { 832 EVP_PKEY *pk; 833 834 BIO_printf(bio_err, "Getting request Private Key\n"); 835 if (keyfile == NULL) { 836 BIO_printf(bio_err, "no request key file specified\n"); 837 goto end; 838 } else { 839 pk = load_key(bio_err, 840 keyfile, keyformat, 0, 841 passin, "request key"); 842 if (pk == NULL) 843 goto end; 844 } 845 846 BIO_printf(bio_err, "Generating certificate request\n"); 847 848 rq = X509_to_X509_REQ(x, pk, digest); 849 EVP_PKEY_free(pk); 850 if (rq == NULL) { 851 ERR_print_errors(bio_err); 852 goto end; 853 } 854 if (!noout) { 855 X509_REQ_print(out, rq); 856 PEM_write_bio_X509_REQ(out, rq); 857 } 858 noout = 1; 859 } else if (ocspid == i) { 860 X509_ocspid_print(out, x); 861 } 862 } 863 } 864 if (checkend) { 865 time_t tcheck = time(NULL) + checkoffset; 866 867 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) { 868 BIO_printf(out, "Certificate will expire\n"); 869 ret = 1; 870 } else { 871 BIO_printf(out, "Certificate will not expire\n"); 872 ret = 0; 873 } 874 goto end; 875 } 876 if (noout) { 877 ret = 0; 878 goto end; 879 } 880 if (outformat == FORMAT_ASN1) 881 i = i2d_X509_bio(out, x); 882 else if (outformat == FORMAT_PEM) { 883 if (trustout) 884 i = PEM_write_bio_X509_AUX(out, x); 885 else 886 i = PEM_write_bio_X509(out, x); 887 } else if (outformat == FORMAT_NETSCAPE) { 888 NETSCAPE_X509 nx; 889 ASN1_OCTET_STRING hdr; 890 891 hdr.data = (unsigned char *) NETSCAPE_CERT_HDR; 892 hdr.length = strlen(NETSCAPE_CERT_HDR); 893 nx.header = &hdr; 894 nx.cert = x; 895 896 i = ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509), out, &nx); 897 } else { 898 BIO_printf(bio_err, "bad output format specified for outfile\n"); 899 goto end; 900 } 901 if (!i) { 902 BIO_printf(bio_err, "unable to write certificate\n"); 903 ERR_print_errors(bio_err); 904 goto end; 905 } 906 ret = 0; 907 908 end: 909 OBJ_cleanup(); 910 NCONF_free(extconf); 911 BIO_free_all(out); 912 BIO_free_all(STDout); 913 X509_STORE_free(ctx); 914 X509_REQ_free(req); 915 X509_free(x); 916 X509_free(xca); 917 EVP_PKEY_free(Upkey); 918 EVP_PKEY_free(CApkey); 919 if (sigopts) 920 sk_OPENSSL_STRING_free(sigopts); 921 X509_REQ_free(rq); 922 ASN1_INTEGER_free(sno); 923 sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free); 924 sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free); 925 free(passin); 926 927 return (ret); 928 } 929 930 static ASN1_INTEGER * 931 x509_load_serial(char *CAfile, char *serialfile, int create) 932 { 933 char *buf = NULL, *p; 934 ASN1_INTEGER *bs = NULL; 935 BIGNUM *serial = NULL; 936 size_t len; 937 938 len = ((serialfile == NULL) ? (strlen(CAfile) + strlen(POSTFIX) + 1) : 939 (strlen(serialfile))) + 1; 940 buf = malloc(len); 941 if (buf == NULL) { 942 BIO_printf(bio_err, "out of mem\n"); 943 goto end; 944 } 945 if (serialfile == NULL) { 946 strlcpy(buf, CAfile, len); 947 for (p = buf; *p; p++) 948 if (*p == '.') { 949 *p = '\0'; 950 break; 951 } 952 strlcat(buf, POSTFIX, len); 953 } else 954 strlcpy(buf, serialfile, len); 955 956 serial = load_serial(buf, create, NULL); 957 if (serial == NULL) 958 goto end; 959 960 if (!BN_add_word(serial, 1)) { 961 BIO_printf(bio_err, "add_word failure\n"); 962 goto end; 963 } 964 if (!save_serial(buf, NULL, serial, &bs)) 965 goto end; 966 967 end: 968 free(buf); 969 BN_free(serial); 970 971 return bs; 972 } 973 974 static int 975 x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, X509 *x, 976 X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts, 977 char *serialfile, int create, int days, int clrext, CONF *conf, 978 char *section, ASN1_INTEGER *sno) 979 { 980 int ret = 0; 981 ASN1_INTEGER *bs = NULL; 982 X509_STORE_CTX xsc; 983 EVP_PKEY *upkey; 984 985 upkey = X509_get_pubkey(xca); 986 EVP_PKEY_copy_parameters(upkey, pkey); 987 EVP_PKEY_free(upkey); 988 989 if (!X509_STORE_CTX_init(&xsc, ctx, x, NULL)) { 990 BIO_printf(bio_err, "Error initialising X509 store\n"); 991 goto end; 992 } 993 if (sno) 994 bs = sno; 995 else if (!(bs = x509_load_serial(CAfile, serialfile, create))) 996 goto end; 997 998 /* if (!X509_STORE_add_cert(ctx,x)) goto end;*/ 999 1000 /* 1001 * NOTE: this certificate can/should be self signed, unless it was a 1002 * certificate request in which case it is not. 1003 */ 1004 X509_STORE_CTX_set_cert(&xsc, x); 1005 X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE); 1006 if (!reqfile && X509_verify_cert(&xsc) <= 0) 1007 goto end; 1008 1009 if (!X509_check_private_key(xca, pkey)) { 1010 BIO_printf(bio_err, "CA certificate and CA private key do not match\n"); 1011 goto end; 1012 } 1013 if (!X509_set_issuer_name(x, X509_get_subject_name(xca))) 1014 goto end; 1015 if (!X509_set_serialNumber(x, bs)) 1016 goto end; 1017 1018 if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL) 1019 goto end; 1020 1021 /* hardwired expired */ 1022 if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL) 1023 goto end; 1024 1025 if (clrext) { 1026 while (X509_get_ext_count(x) > 0) 1027 X509_delete_ext(x, 0); 1028 } 1029 if (conf) { 1030 X509V3_CTX ctx2; 1031 X509_set_version(x, 2); /* version 3 certificate */ 1032 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0); 1033 X509V3_set_nconf(&ctx2, conf); 1034 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) 1035 goto end; 1036 } 1037 if (!do_X509_sign(bio_err, x, pkey, digest, sigopts)) 1038 goto end; 1039 ret = 1; 1040 end: 1041 X509_STORE_CTX_cleanup(&xsc); 1042 if (!ret) 1043 ERR_print_errors(bio_err); 1044 if (!sno) 1045 ASN1_INTEGER_free(bs); 1046 return ret; 1047 } 1048 1049 static int 1050 callb(int ok, X509_STORE_CTX *ctx) 1051 { 1052 int err; 1053 X509 *err_cert; 1054 1055 /* 1056 * it is ok to use a self signed certificate This case will catch 1057 * both the initial ok == 0 and the final ok == 1 calls to this 1058 * function 1059 */ 1060 err = X509_STORE_CTX_get_error(ctx); 1061 if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) 1062 return 1; 1063 1064 /* 1065 * BAD we should have gotten an error. Normally if everything worked 1066 * X509_STORE_CTX_get_error(ctx) will still be set to 1067 * DEPTH_ZERO_SELF_.... 1068 */ 1069 if (ok) { 1070 BIO_printf(bio_err, "error with certificate to be certified - should be self signed\n"); 1071 return 0; 1072 } else { 1073 err_cert = X509_STORE_CTX_get_current_cert(ctx); 1074 print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0); 1075 BIO_printf(bio_err, "error with certificate - error %d at depth %d\n%s\n", 1076 err, X509_STORE_CTX_get_error_depth(ctx), 1077 X509_verify_cert_error_string(err)); 1078 return 1; 1079 } 1080 } 1081 1082 /* self sign */ 1083 static int 1084 sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 1085 CONF *conf, char *section) 1086 { 1087 1088 EVP_PKEY *pktmp; 1089 1090 pktmp = X509_get_pubkey(x); 1091 EVP_PKEY_copy_parameters(pktmp, pkey); 1092 EVP_PKEY_save_parameters(pktmp, 1); 1093 EVP_PKEY_free(pktmp); 1094 1095 if (!X509_set_issuer_name(x, X509_get_subject_name(x))) 1096 goto err; 1097 if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL) 1098 goto err; 1099 1100 /* Lets just make it 12:00am GMT, Jan 1 1970 */ 1101 /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */ 1102 /* 28 days to be certified */ 1103 1104 if (X509_gmtime_adj(X509_get_notAfter(x), 1105 (long) 60 * 60 * 24 * days) == NULL) 1106 goto err; 1107 1108 if (!X509_set_pubkey(x, pkey)) 1109 goto err; 1110 if (clrext) { 1111 while (X509_get_ext_count(x) > 0) 1112 X509_delete_ext(x, 0); 1113 } 1114 if (conf) { 1115 X509V3_CTX ctx; 1116 X509_set_version(x, 2); /* version 3 certificate */ 1117 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0); 1118 X509V3_set_nconf(&ctx, conf); 1119 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) 1120 goto err; 1121 } 1122 if (!X509_sign(x, pkey, digest)) 1123 goto err; 1124 return 1; 1125 1126 err: 1127 ERR_print_errors(bio_err); 1128 return 0; 1129 } 1130 1131 static int 1132 purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt) 1133 { 1134 int id, i, idret; 1135 char *pname; 1136 1137 id = X509_PURPOSE_get_id(pt); 1138 pname = X509_PURPOSE_get0_name(pt); 1139 for (i = 0; i < 2; i++) { 1140 idret = X509_check_purpose(cert, id, i); 1141 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 1142 if (idret == 1) 1143 BIO_printf(bio, "Yes\n"); 1144 else if (idret == 0) 1145 BIO_printf(bio, "No\n"); 1146 else 1147 BIO_printf(bio, "Yes (WARNING code=%d)\n", idret); 1148 } 1149 return 1; 1150 } 1151