apps/x509.c

   1 /* apps/x509.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 #include <assert.h>
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/asn1.h>
  69 #include <openssl/err.h>
  70 #include <openssl/bn.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76
  77 #undef PROG
  78 #define PROG x509_main
  79
  80 #undef POSTFIX
  81 #define POSTFIX ".srl"
  82 #define DEF_DAYS        30
  83
  84 static 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 " -hash           - print hash value\n",
  96 " -subject        - print subject DN\n",
  97 " -issuer         - print issuer DN\n",
  98 " -email          - print email address(es)\n",
  99 " -startdate      - notBefore field\n",
 100 " -enddate        - notAfter field\n",
 101 " -purpose        - print out certificate purposes\n",
 102 " -dates          - both Before and After dates\n",
 103 " -modulus        - print the RSA key modulus\n",
 104 " -pubkey         - output the public key\n",
 105 " -fingerprint    - print the certificate fingerprint\n",
 106 " -alias          - output certificate alias\n",
 107 " -noout          - no certificate output\n",
 108 " -ocspid         - print OCSP hash values for the subject name and public key\n",
 109 " -trustout       - output a \"trusted\" certificate\n",
 110 " -clrtrust       - clear all trusted purposes\n",
 111 " -clrreject      - clear all rejected purposes\n",
 112 " -addtrust arg   - trust certificate for a given purpose\n",
 113 " -addreject arg  - reject certificate for a given purpose\n",
 114 " -setalias arg   - set certificate alias\n",
 115 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 116 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 117 "                   exit 1 if so, 0 if not\n",
 118 " -signkey arg    - self sign cert with arg\n",
 119 " -x509toreq      - output a certification request object\n",
 120 " -req            - input is a certificate request, sign and output.\n",
 121 " -CA arg         - set the CA certificate, must be PEM format.\n",
 122 " -CAkey arg      - set the CA key, must be PEM format\n",
 123 "                   missing, it is assumed to be in the CA file.\n",
 124 " -CAcreateserial - create serial number file if it does not exist\n",
 125 " -CAserial arg   - serial file\n",
 126 " -set_serial     - serial number to use\n",
 127 " -text           - print the certificate in text form\n",
 128 " -C              - print out C code forms\n",
 129 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 130 " -extfile        - configuration file with X509V3 extensions to add\n",
 131 " -extensions     - section from config file with X509V3 extensions to add\n",
 132 " -clrext         - delete extensions before signing and input certificate\n",
 133 " -nameopt arg    - various certificate name options\n",
 134 #ifndef OPENSSL_NO_ENGINE
 135 " -engine e       - use engine e, possibly a hardware device.\n",
 136 #endif
 137 " -certopt arg    - various certificate text options\n",
 138 NULL
 139 };
 140
 141 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 142 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 143                                                 CONF *conf, char *section);
 144 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 145                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 146                          int create,int days, int clrext, CONF *conf, char *section,
 147                                                 ASN1_INTEGER *sno);
 148 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 149 static int reqfile=0;
 150
 151 int MAIN(int, char **);
 152
 153 int MAIN(int argc, char **argv)
 154         {
 155         ENGINE *e = NULL;
 156         int ret=1;
 157         X509_REQ *req=NULL;
 158         X509 *x=NULL,*xca=NULL;
 159         ASN1_OBJECT *objtmp;
 160         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 161         ASN1_INTEGER *sno = NULL;
 162         int i,num,badops=0;
 163         BIO *out=NULL;
 164         BIO *STDout=NULL;
 165         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 166         int informat,outformat,keyformat,CAformat,CAkeyformat;
 167         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 168         char *CAkeyfile=NULL,*CAserial=NULL;
 169         char *alias=NULL;
 170         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 171         int next_serial=0,ocspid=0;
 172         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 173         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 174         int C=0;
 175         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 176         int pprint = 0;
 177         char **pp;
 178         X509_STORE *ctx=NULL;
 179         X509_REQ *rq=NULL;
 180         int fingerprint=0;
 181         char buf[256];
 182         const EVP_MD *md_alg,*digest;
 183         CONF *extconf = NULL;
 184         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 185         int need_rand = 0;
 186         int checkend=0,checkoffset=0;
 187         unsigned long nmflag = 0, certflag = 0;
 188 #ifndef OPENSSL_NO_ENGINE
 189         char *engine=NULL;
 190 #endif
 191
 192         reqfile=0;
 193
 194         apps_startup();
 195
 196         if (bio_err == NULL)
 197                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 198
 199         if (!load_config(bio_err, NULL))
 200                 goto end;
 201         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 202 #ifdef OPENSSL_SYS_VMS
 203         {
 204         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 205         STDout = BIO_push(tmpbio, STDout);
 206         }
 207 #endif
 208
 209         informat=FORMAT_PEM;
 210         outformat=FORMAT_PEM;
 211         keyformat=FORMAT_PEM;
 212         CAformat=FORMAT_PEM;
 213         CAkeyformat=FORMAT_PEM;
 214
 215         ctx=X509_STORE_new();
 216         if (ctx == NULL) goto end;
 217         X509_STORE_set_verify_cb_func(ctx,callb);
 218
 219 #ifdef  OPENSSL_FIPS
 220         if (FIPS_mode())
 221                 digest = EVP_sha1();
 222         else
 223 #endif
 224                 digest = EVP_md5();
 225
 226         argc--;
 227         argv++;
 228         num=0;
 229         while (argc >= 1)
 230                 {
 231                 if      (strcmp(*argv,"-inform") == 0)
 232                         {
 233                         if (--argc < 1) goto bad;
 234                         informat=str2fmt(*(++argv));
 235                         }
 236                 else if (strcmp(*argv,"-outform") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                         outformat=str2fmt(*(++argv));
 240                         }
 241                 else if (strcmp(*argv,"-keyform") == 0)
 242                         {
 243                         if (--argc < 1) goto bad;
 244                         keyformat=str2fmt(*(++argv));
 245                         }
 246                 else if (strcmp(*argv,"-req") == 0)
 247                         {
 248                         reqfile=1;
 249                         need_rand = 1;
 250                         }
 251                 else if (strcmp(*argv,"-CAform") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         CAformat=str2fmt(*(++argv));
 255                         }
 256                 else if (strcmp(*argv,"-CAkeyform") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         CAkeyformat=str2fmt(*(++argv));
 260                         }
 261                 else if (strcmp(*argv,"-days") == 0)
 262                         {
 263                         if (--argc < 1) goto bad;
 264                         days=atoi(*(++argv));
 265                         if (days == 0)
 266                                 {
 267                                 BIO_printf(STDout,"bad number of days\n");
 268                                 goto bad;
 269                                 }
 270                         }
 271                 else if (strcmp(*argv,"-passin") == 0)
 272                         {
 273                         if (--argc < 1) goto bad;
 274                         passargin= *(++argv);
 275                         }
 276                 else if (strcmp(*argv,"-extfile") == 0)
 277                         {
 278                         if (--argc < 1) goto bad;
 279                         extfile= *(++argv);
 280                         }
 281                 else if (strcmp(*argv,"-extensions") == 0)
 282                         {
 283                         if (--argc < 1) goto bad;
 284                         extsect= *(++argv);
 285                         }
 286                 else if (strcmp(*argv,"-in") == 0)
 287                         {
 288                         if (--argc < 1) goto bad;
 289                         infile= *(++argv);
 290                         }
 291                 else if (strcmp(*argv,"-out") == 0)
 292                         {
 293                         if (--argc < 1) goto bad;
 294                         outfile= *(++argv);
 295                         }
 296                 else if (strcmp(*argv,"-signkey") == 0)
 297                         {
 298                         if (--argc < 1) goto bad;
 299                         keyfile= *(++argv);
 300                         sign_flag= ++num;
 301                         need_rand = 1;
 302                         }
 303                 else if (strcmp(*argv,"-CA") == 0)
 304                         {
 305                         if (--argc < 1) goto bad;
 306                         CAfile= *(++argv);
 307                         CA_flag= ++num;
 308                         need_rand = 1;
 309                         }
 310                 else if (strcmp(*argv,"-CAkey") == 0)
 311                         {
 312                         if (--argc < 1) goto bad;
 313                         CAkeyfile= *(++argv);
 314                         }
 315                 else if (strcmp(*argv,"-CAserial") == 0)
 316                         {
 317                         if (--argc < 1) goto bad;
 318                         CAserial= *(++argv);
 319                         }
 320                 else if (strcmp(*argv,"-set_serial") == 0)
 321                         {
 322                         if (--argc < 1) goto bad;
 323                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 324                                 goto bad;
 325                         }
 326                 else if (strcmp(*argv,"-addtrust") == 0)
 327                         {
 328                         if (--argc < 1) goto bad;
 329                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 330                                 {
 331                                 BIO_printf(bio_err,
 332                                         "Invalid trust object value %s\n", *argv);
 333                                 goto bad;
 334                                 }
 335                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 336                         sk_ASN1_OBJECT_push(trust, objtmp);
 337                         trustout = 1;
 338                         }
 339                 else if (strcmp(*argv,"-addreject") == 0)
 340                         {
 341                         if (--argc < 1) goto bad;
 342                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 343                                 {
 344                                 BIO_printf(bio_err,
 345                                         "Invalid reject object value %s\n", *argv);
 346                                 goto bad;
 347                                 }
 348                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 349                         sk_ASN1_OBJECT_push(reject, objtmp);
 350                         trustout = 1;
 351                         }
 352                 else if (strcmp(*argv,"-setalias") == 0)
 353                         {
 354                         if (--argc < 1) goto bad;
 355                         alias= *(++argv);
 356                         trustout = 1;
 357                         }
 358                 else if (strcmp(*argv,"-certopt") == 0)
 359                         {
 360                         if (--argc < 1) goto bad;
 361                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 362                         }
 363                 else if (strcmp(*argv,"-nameopt") == 0)
 364                         {
 365                         if (--argc < 1) goto bad;
 366                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 367                         }
 368 #ifndef OPENSSL_NO_ENGINE
 369                 else if (strcmp(*argv,"-engine") == 0)
 370                         {
 371                         if (--argc < 1) goto bad;
 372                         engine= *(++argv);
 373                         }
 374 #endif
 375                 else if (strcmp(*argv,"-C") == 0)
 376                         C= ++num;
 377                 else if (strcmp(*argv,"-email") == 0)
 378                         email= ++num;
 379                 else if (strcmp(*argv,"-serial") == 0)
 380                         serial= ++num;
 381                 else if (strcmp(*argv,"-next_serial") == 0)
 382                         next_serial= ++num;
 383                 else if (strcmp(*argv,"-modulus") == 0)
 384                         modulus= ++num;
 385                 else if (strcmp(*argv,"-pubkey") == 0)
 386                         pubkey= ++num;
 387                 else if (strcmp(*argv,"-x509toreq") == 0)
 388                         x509req= ++num;
 389                 else if (strcmp(*argv,"-text") == 0)
 390                         text= ++num;
 391                 else if (strcmp(*argv,"-hash") == 0)
 392                         hash= ++num;
 393                 else if (strcmp(*argv,"-subject") == 0)
 394                         subject= ++num;
 395                 else if (strcmp(*argv,"-issuer") == 0)
 396                         issuer= ++num;
 397                 else if (strcmp(*argv,"-fingerprint") == 0)
 398                         fingerprint= ++num;
 399                 else if (strcmp(*argv,"-dates") == 0)
 400                         {
 401                         startdate= ++num;
 402                         enddate= ++num;
 403                         }
 404                 else if (strcmp(*argv,"-purpose") == 0)
 405                         pprint= ++num;
 406                 else if (strcmp(*argv,"-startdate") == 0)
 407                         startdate= ++num;
 408                 else if (strcmp(*argv,"-enddate") == 0)
 409                         enddate= ++num;
 410                 else if (strcmp(*argv,"-checkend") == 0)
 411                         {
 412                         if (--argc < 1) goto bad;
 413                         checkoffset=atoi(*(++argv));
 414                         checkend=1;
 415                         }
 416                 else if (strcmp(*argv,"-noout") == 0)
 417                         noout= ++num;
 418                 else if (strcmp(*argv,"-trustout") == 0)
 419                         trustout= 1;
 420                 else if (strcmp(*argv,"-clrtrust") == 0)
 421                         clrtrust= ++num;
 422                 else if (strcmp(*argv,"-clrreject") == 0)
 423                         clrreject= ++num;
 424                 else if (strcmp(*argv,"-alias") == 0)
 425                         aliasout= ++num;
 426                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 427                         CA_createserial= ++num;
 428                 else if (strcmp(*argv,"-clrext") == 0)
 429                         clrext = 1;
 430 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 431                 else if (strcmp(*argv,"-crlext") == 0)
 432                         {
 433                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 434                         clrext = 1;
 435                         }
 436 #endif
 437                 else if (strcmp(*argv,"-ocspid") == 0)
 438                         ocspid= ++num;
 439                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 440                         {
 441                         /* ok */
 442                         digest=md_alg;
 443                         }
 444                 else
 445                         {
 446                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 447                         badops=1;
 448                         break;
 449                         }
 450                 argc--;
 451                 argv++;
 452                 }
 453
 454         if (badops)
 455                 {
 456 bad:
 457                 for (pp=x509_usage; (*pp != NULL); pp++)
 458                         BIO_printf(bio_err,"%s",*pp);
 459                 goto end;
 460                 }
 461
 462 #ifndef OPENSSL_NO_ENGINE
 463         e = setup_engine(bio_err, engine, 0);
 464 #endif
 465
 466         if (need_rand)
 467                 app_RAND_load_file(NULL, bio_err, 0);
 468
 469         ERR_load_crypto_strings();
 470
 471         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 472                 {
 473                 BIO_printf(bio_err, "Error getting password\n");
 474                 goto end;
 475                 }
 476
 477         if (!X509_STORE_set_default_paths(ctx))
 478                 {
 479                 ERR_print_errors(bio_err);
 480                 goto end;
 481                 }
 482
 483         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 484                 { CAkeyfile=CAfile; }
 485         else if ((CA_flag) && (CAkeyfile == NULL))
 486                 {
 487                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 488                 goto end;
 489                 }
 490
 491         if (extfile)
 492                 {
 493                 long errorline = -1;
 494                 X509V3_CTX ctx2;
 495                 extconf = NCONF_new(NULL);
 496                 if (!NCONF_load(extconf, extfile,&errorline))
 497                         {
 498                         if (errorline <= 0)
 499                                 BIO_printf(bio_err,
 500                                         "error loading the config file '%s'\n",
 501                                                                 extfile);
 502                         else
 503                                 BIO_printf(bio_err,
 504                                        "error on line %ld of config file '%s'\n"
 505                                                         ,errorline,extfile);
 506                         goto end;
 507                         }
 508                 if (!extsect)
 509                         {
 510                         extsect = NCONF_get_string(extconf, "default", "extensions");
 511                         if (!extsect)
 512                                 {
 513                                 ERR_clear_error();
 514                                 extsect = "default";
 515                                 }
 516                         }
 517                 X509V3_set_ctx_test(&ctx2);
 518                 X509V3_set_nconf(&ctx2, extconf);
 519                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 520                         {
 521                         BIO_printf(bio_err,
 522                                 "Error Loading extension section %s\n",
 523                                                                  extsect);
 524                         ERR_print_errors(bio_err);
 525                         goto end;
 526                         }
 527                 }
 528
 529
 530         if (reqfile)
 531                 {
 532                 EVP_PKEY *pkey;
 533                 X509_CINF *ci;
 534                 BIO *in;
 535
 536                 if (!sign_flag && !CA_flag)
 537                         {
 538                         BIO_printf(bio_err,"We need a private key to sign with\n");
 539                         goto end;
 540                         }
 541                 in=BIO_new(BIO_s_file());
 542                 if (in == NULL)
 543                         {
 544                         ERR_print_errors(bio_err);
 545                         goto end;
 546                         }
 547
 548                 if (infile == NULL)
 549                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 550                 else
 551                         {
 552                         if (BIO_read_filename(in,infile) <= 0)
 553                                 {
 554                                 perror(infile);
 555                                 BIO_free(in);
 556                                 goto end;
 557                                 }
 558                         }
 559                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 560                 BIO_free(in);
 561
 562                 if (req == NULL)
 563                         {
 564                         ERR_print_errors(bio_err);
 565                         goto end;
 566                         }
 567
 568                 if (    (req->req_info == NULL) ||
 569                         (req->req_info->pubkey == NULL) ||
 570                         (req->req_info->pubkey->public_key == NULL) ||
 571                         (req->req_info->pubkey->public_key->data == NULL))
 572                         {
 573                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 574                         BIO_printf(bio_err,"It does not contain a public key\n");
 575                         goto end;
 576                         }
 577                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 578                         {
 579                         BIO_printf(bio_err,"error unpacking public key\n");
 580                         goto end;
 581                         }
 582                 i=X509_REQ_verify(req,pkey);
 583                 EVP_PKEY_free(pkey);
 584                 if (i < 0)
 585                         {
 586                         BIO_printf(bio_err,"Signature verification error\n");
 587                         ERR_print_errors(bio_err);
 588                         goto end;
 589                         }
 590                 if (i == 0)
 591                         {
 592                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 593                         goto end;
 594                         }
 595                 else
 596                         BIO_printf(bio_err,"Signature ok\n");
 597
 598                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 599
 600                 if ((x=X509_new()) == NULL) goto end;
 601                 ci=x->cert_info;
 602
 603                 if (sno == NULL)
 604                         {
 605                         sno = ASN1_INTEGER_new();
 606                         if (!sno || !rand_serial(NULL, sno))
 607                                 goto end;
 608                         if (!X509_set_serialNumber(x, sno))
 609                                 goto end;
 610                         ASN1_INTEGER_free(sno);
 611                         sno = NULL;
 612                         }
 613                 else if (!X509_set_serialNumber(x, sno))
 614                         goto end;
 615
 616                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 617                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 618
 619                 X509_gmtime_adj(X509_get_notBefore(x),0);
 620                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 621
 622                 pkey = X509_REQ_get_pubkey(req);
 623                 X509_set_pubkey(x,pkey);
 624                 EVP_PKEY_free(pkey);
 625                 }
 626         else
 627                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 628
 629         if (x == NULL) goto end;
 630         if (CA_flag)
 631                 {
 632                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 633                 if (xca == NULL) goto end;
 634                 }
 635
 636         if (!noout || text || next_serial)
 637                 {
 638                 OBJ_create("2.99999.3",
 639                         "SET.ex3","SET x509v3 extension 3");
 640
 641                 out=BIO_new(BIO_s_file());
 642                 if (out == NULL)
 643                         {
 644                         ERR_print_errors(bio_err);
 645                         goto end;
 646                         }
 647                 if (outfile == NULL)
 648                         {
 649                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 650 #ifdef OPENSSL_SYS_VMS
 651                         {
 652                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 653                         out = BIO_push(tmpbio, out);
 654                         }
 655 #endif
 656                         }
 657                 else
 658                         {
 659                         if (BIO_write_filename(out,outfile) <= 0)
 660                                 {
 661                                 perror(outfile);
 662                                 goto end;
 663                                 }
 664                         }
 665                 }
 666
 667         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 668
 669         if (clrtrust) X509_trust_clear(x);
 670         if (clrreject) X509_reject_clear(x);
 671
 672         if (trust)
 673                 {
 674                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 675                         {
 676                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 677                         X509_add1_trust_object(x, objtmp);
 678                         }
 679                 }
 680
 681         if (reject)
 682                 {
 683                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 684                         {
 685                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 686                         X509_add1_reject_object(x, objtmp);
 687                         }
 688                 }
 689
 690         if (num)
 691                 {
 692                 for (i=1; i<=num; i++)
 693                         {
 694                         if (issuer == i)
 695                                 {
 696                                 print_name(STDout, "issuer= ",
 697                                         X509_get_issuer_name(x), nmflag);
 698                                 }
 699                         else if (subject == i)
 700                                 {
 701                                 print_name(STDout, "subject= ",
 702                                         X509_get_subject_name(x), nmflag);
 703                                 }
 704                         else if (serial == i)
 705                                 {
 706                                 BIO_printf(STDout,"serial=");
 707                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 708                                 BIO_printf(STDout,"\n");
 709                                 }
 710                         else if (next_serial == i)
 711                                 {
 712                                 BIGNUM *bnser;
 713                                 ASN1_INTEGER *ser;
 714                                 ser = X509_get_serialNumber(x);
 715                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 716                                 if (!bnser)
 717                                         goto end;
 718                                 if (!BN_add_word(bnser, 1))
 719                                         goto end;
 720                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 721                                 if (!ser)
 722                                         goto end;
 723                                 BN_free(bnser);
 724                                 i2a_ASN1_INTEGER(out, ser);
 725                                 ASN1_INTEGER_free(ser);
 726                                 BIO_puts(out, "\n");
 727                                 }
 728                         else if (email == i)
 729                                 {
 730                                 int j;
 731                                 STACK *emlst;
 732                                 emlst = X509_get1_email(x);
 733                                 for (j = 0; j < sk_num(emlst); j++)
 734                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 735                                 X509_email_free(emlst);
 736                                 }
 737                         else if (aliasout == i)
 738                                 {
 739                                 unsigned char *alstr;
 740                                 alstr = X509_alias_get0(x, NULL);
 741                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 742                                 else BIO_puts(STDout,"<No Alias>\n");
 743                                 }
 744                         else if (hash == i)
 745                                 {
 746                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 747                                 }
 748                         else if (pprint == i)
 749                                 {
 750                                 X509_PURPOSE *ptmp;
 751                                 int j;
 752                                 BIO_printf(STDout, "Certificate purposes:\n");
 753                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 754                                         {
 755                                         ptmp = X509_PURPOSE_get0(j);
 756                                         purpose_print(STDout, x, ptmp);
 757                                         }
 758                                 }
 759                         else
 760                                 if (modulus == i)
 761                                 {
 762                                 EVP_PKEY *pkey;
 763
 764                                 pkey=X509_get_pubkey(x);
 765                                 if (pkey == NULL)
 766                                         {
 767                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 768                                         ERR_print_errors(bio_err);
 769                                         goto end;
 770                                         }
 771                                 BIO_printf(STDout,"Modulus=");
 772 #ifndef OPENSSL_NO_RSA
 773                                 if (pkey->type == EVP_PKEY_RSA)
 774                                         BN_print(STDout,pkey->pkey.rsa->n);
 775                                 else
 776 #endif
 777 #ifndef OPENSSL_NO_DSA
 778                                 if (pkey->type == EVP_PKEY_DSA)
 779                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 780                                 else
 781 #endif
 782                                         BIO_printf(STDout,"Wrong Algorithm type");
 783                                 BIO_printf(STDout,"\n");
 784                                 EVP_PKEY_free(pkey);
 785                                 }
 786                         else
 787                                 if (pubkey == i)
 788                                 {
 789                                 EVP_PKEY *pkey;
 790
 791                                 pkey=X509_get_pubkey(x);
 792                                 if (pkey == NULL)
 793                                         {
 794                                         BIO_printf(bio_err,"Error getting public key\n");
 795                                         ERR_print_errors(bio_err);
 796                                         goto end;
 797                                         }
 798                                 PEM_write_bio_PUBKEY(STDout, pkey);
 799                                 EVP_PKEY_free(pkey);
 800                                 }
 801                         else
 802                                 if (C == i)
 803                                 {
 804                                 unsigned char *d;
 805                                 char *m;
 806                                 int y,z;
 807
 808                                 X509_NAME_oneline(X509_get_subject_name(x),
 809                                         buf,sizeof buf);
 810                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 811                                 m=X509_NAME_oneline(
 812                                         X509_get_issuer_name(x),buf,
 813                                         sizeof buf);
 814                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 815
 816                                 z=i2d_X509(x,NULL);
 817                                 m=OPENSSL_malloc(z);
 818
 819                                 d=(unsigned char *)m;
 820                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 821                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 822                                 d=(unsigned char *)m;
 823                                 for (y=0; y<z; y++)
 824                                         {
 825                                         BIO_printf(STDout,"0x%02X,",d[y]);
 826                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 827                                         }
 828                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 829                                 BIO_printf(STDout,"};\n");
 830
 831                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 832                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 833                                 d=(unsigned char *)m;
 834                                 for (y=0; y<z; y++)
 835                                         {
 836                                         BIO_printf(STDout,"0x%02X,",d[y]);
 837                                         if ((y & 0x0f) == 0x0f)
 838                                                 BIO_printf(STDout,"\n");
 839                                         }
 840                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 841                                 BIO_printf(STDout,"};\n");
 842
 843                                 z=i2d_X509(x,&d);
 844                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 845                                 d=(unsigned char *)m;
 846                                 for (y=0; y<z; y++)
 847                                         {
 848                                         BIO_printf(STDout,"0x%02X,",d[y]);
 849                                         if ((y & 0x0f) == 0x0f)
 850                                                 BIO_printf(STDout,"\n");
 851                                         }
 852                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 853                                 BIO_printf(STDout,"};\n");
 854
 855                                 OPENSSL_free(m);
 856                                 }
 857                         else if (text == i)
 858                                 {
 859                                 X509_print_ex(out,x,nmflag, certflag);
 860                                 }
 861                         else if (startdate == i)
 862                                 {
 863                                 BIO_puts(STDout,"notBefore=");
 864                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 865                                 BIO_puts(STDout,"\n");
 866                                 }
 867                         else if (enddate == i)
 868                                 {
 869                                 BIO_puts(STDout,"notAfter=");
 870                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 871                                 BIO_puts(STDout,"\n");
 872                                 }
 873                         else if (fingerprint == i)
 874                                 {
 875                                 int j;
 876                                 unsigned int n;
 877                                 unsigned char md[EVP_MAX_MD_SIZE];
 878
 879                                 if (!X509_digest(x,digest,md,&n))
 880                                         {
 881                                         BIO_printf(bio_err,"out of memory\n");
 882                                         goto end;
 883                                         }
 884                                 BIO_printf(STDout,"%s Fingerprint=",
 885                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 886                                 for (j=0; j<(int)n; j++)
 887                                         {
 888                                         BIO_printf(STDout,"%02X%c",md[j],
 889                                                 (j+1 == (int)n)
 890                                                 ?'\n':':');
 891                                         }
 892                                 }
 893
 894                         /* should be in the library */
 895                         else if ((sign_flag == i) && (x509req == 0))
 896                                 {
 897                                 BIO_printf(bio_err,"Getting Private key\n");
 898                                 if (Upkey == NULL)
 899                                         {
 900                                         Upkey=load_key(bio_err,
 901                                                 keyfile, keyformat, 0,
 902                                                 passin, e, "Private key");
 903                                         if (Upkey == NULL) goto end;
 904                                         }
 905 #ifndef OPENSSL_NO_DSA
 906                                 if (Upkey->type == EVP_PKEY_DSA)
 907                                         digest=EVP_dss1();
 908 #endif
 909
 910                                 assert(need_rand);
 911                                 if (!sign(x,Upkey,days,clrext,digest,
 912                                                  extconf, extsect)) goto end;
 913                                 }
 914                         else if (CA_flag == i)
 915                                 {
 916                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 917                                 if (CAkeyfile != NULL)
 918                                         {
 919                                         CApkey=load_key(bio_err,
 920                                                 CAkeyfile, CAkeyformat,
 921                                                 0, passin, e,
 922                                                 "CA Private Key");
 923                                         if (CApkey == NULL) goto end;
 924                                         }
 925 #ifndef OPENSSL_NO_DSA
 926                                 if (CApkey->type == EVP_PKEY_DSA)
 927                                         digest=EVP_dss1();
 928 #endif
 929
 930                                 assert(need_rand);
 931                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 932                                         CApkey, CAserial,CA_createserial,days, clrext,
 933                                         extconf, extsect, sno))
 934                                         goto end;
 935                                 }
 936                         else if (x509req == i)
 937                                 {
 938                                 EVP_PKEY *pk;
 939
 940                                 BIO_printf(bio_err,"Getting request Private Key\n");
 941                                 if (keyfile == NULL)
 942                                         {
 943                                         BIO_printf(bio_err,"no request key file specified\n");
 944                                         goto end;
 945                                         }
 946                                 else
 947                                         {
 948                                         pk=load_key(bio_err,
 949                                                 keyfile, FORMAT_PEM, 0,
 950                                                 passin, e, "request key");
 951                                         if (pk == NULL) goto end;
 952                                         }
 953
 954                                 BIO_printf(bio_err,"Generating certificate request\n");
 955
 956 #ifndef OPENSSL_NO_DSA
 957                                 if (pk->type == EVP_PKEY_DSA)
 958                                         digest=EVP_dss1();
 959 #endif
 960
 961                                 rq=X509_to_X509_REQ(x,pk,digest);
 962                                 EVP_PKEY_free(pk);
 963                                 if (rq == NULL)
 964                                         {
 965                                         ERR_print_errors(bio_err);
 966                                         goto end;
 967                                         }
 968                                 if (!noout)
 969                                         {
 970                                         X509_REQ_print(out,rq);
 971                                         PEM_write_bio_X509_REQ(out,rq);
 972                                         }
 973                                 noout=1;
 974                                 }
 975                         else if (ocspid == i)
 976                                 {
 977                                 X509_ocspid_print(out, x);
 978                                 }
 979                         }
 980                 }
 981
 982         if (checkend)
 983                 {
 984                 time_t tcheck=time(NULL) + checkoffset;
 985
 986                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
 987                         {
 988                         BIO_printf(out,"Certificate will expire\n");
 989                         ret=1;
 990                         }
 991                 else
 992                         {
 993                         BIO_printf(out,"Certificate will not expire\n");
 994                         ret=0;
 995                         }
 996                 goto end;
 997                 }
 998
 999         if (noout)
1000                 {
1001                 ret=0;
1002                 goto end;
1003                 }
1004
1005         if      (outformat == FORMAT_ASN1)
1006                 i=i2d_X509_bio(out,x);
1007         else if (outformat == FORMAT_PEM)
1008                 {
1009                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1010                 else i=PEM_write_bio_X509(out,x);
1011                 }
1012         else if (outformat == FORMAT_NETSCAPE)
1013                 {
1014                 ASN1_HEADER ah;
1015                 ASN1_OCTET_STRING os;
1016
1017                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1018                 os.length=strlen(NETSCAPE_CERT_HDR);
1019                 ah.header= &os;
1020                 ah.data=(char *)x;
1021                 ah.meth=X509_asn1_meth();
1022
1023                 /* no macro for this one yet */
1024                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1025                 }
1026         else    {
1027                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1028                 goto end;
1029                 }
1030         if (!i)
1031                 {
1032                 BIO_printf(bio_err,"unable to write certificate\n");
1033                 ERR_print_errors(bio_err);
1034                 goto end;
1035                 }
1036         ret=0;
1037 end:
1038         if (need_rand)
1039                 app_RAND_write_file(NULL, bio_err);
1040         OBJ_cleanup();
1041         NCONF_free(extconf);
1042         BIO_free_all(out);
1043         BIO_free_all(STDout);
1044         X509_STORE_free(ctx);
1045         X509_REQ_free(req);
1046         X509_free(x);
1047         X509_free(xca);
1048         EVP_PKEY_free(Upkey);
1049         EVP_PKEY_free(CApkey);
1050         X509_REQ_free(rq);
1051         ASN1_INTEGER_free(sno);
1052         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1053         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1054         if (passin) OPENSSL_free(passin);
1055         apps_shutdown();
1056         OPENSSL_EXIT(ret);
1057         }
1058
1059 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1060         {
1061         char *buf = NULL, *p;
1062         ASN1_INTEGER *bs = NULL;
1063         BIGNUM *serial = NULL;
1064         size_t len;
1065
1066         len = ((serialfile == NULL)
1067                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1068                 :(strlen(serialfile)))+1;
1069         buf=OPENSSL_malloc(len);
1070         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1071         if (serialfile == NULL)
1072                 {
1073                 BUF_strlcpy(buf,CAfile,len);
1074                 for (p=buf; *p; p++)
1075                         if (*p == '.')
1076                                 {
1077                                 *p='\0';
1078                                 break;
1079                                 }
1080                 BUF_strlcat(buf,POSTFIX,len);
1081                 }
1082         else
1083                 BUF_strlcpy(buf,serialfile,len);
1084
1085         serial = load_serial(buf, create, NULL);
1086         if (serial == NULL) goto end;
1087
1088         if (!BN_add_word(serial,1))
1089                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1090
1091         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1092
1093  end:
1094         if (buf) OPENSSL_free(buf);
1095         BN_free(serial);
1096         return bs;
1097         }
1098
1099 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1100              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1101              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1102         {
1103         int ret=0;
1104         ASN1_INTEGER *bs=NULL;
1105         X509_STORE_CTX xsc;
1106         EVP_PKEY *upkey;
1107
1108         upkey = X509_get_pubkey(xca);
1109         EVP_PKEY_copy_parameters(upkey,pkey);
1110         EVP_PKEY_free(upkey);
1111
1112         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1113                 {
1114                 BIO_printf(bio_err,"Error initialising X509 store\n");
1115                 goto end;
1116                 }
1117         if (sno) bs = sno;
1118         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1119                 goto end;
1120
1121 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1122
1123         /* NOTE: this certificate can/should be self signed, unless it was
1124          * a certificate request in which case it is not. */
1125         X509_STORE_CTX_set_cert(&xsc,x);
1126         if (!reqfile && !X509_verify_cert(&xsc))
1127                 goto end;
1128
1129         if (!X509_check_private_key(xca,pkey))
1130                 {
1131                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1132                 goto end;
1133                 }
1134
1135         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1136         if (!X509_set_serialNumber(x,bs)) goto end;
1137
1138         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1139                 goto end;
1140
1141         /* hardwired expired */
1142         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1143                 goto end;
1144
1145         if (clrext)
1146                 {
1147                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1148                 }
1149
1150         if (conf)
1151                 {
1152                 X509V3_CTX ctx2;
1153                 X509_set_version(x,2); /* version 3 certificate */
1154                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1155                 X509V3_set_nconf(&ctx2, conf);
1156                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1157                 }
1158
1159         if (!X509_sign(x,pkey,digest)) goto end;
1160         ret=1;
1161 end:
1162         X509_STORE_CTX_cleanup(&xsc);
1163         if (!ret)
1164                 ERR_print_errors(bio_err);
1165         if (!sno) ASN1_INTEGER_free(bs);
1166         return ret;
1167         }
1168
1169 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1170         {
1171         int err;
1172         X509 *err_cert;
1173
1174         /* it is ok to use a self signed certificate
1175          * This case will catch both the initial ok == 0 and the
1176          * final ok == 1 calls to this function */
1177         err=X509_STORE_CTX_get_error(ctx);
1178         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1179                 return 1;
1180
1181         /* BAD we should have gotten an error.  Normally if everything
1182          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1183          * DEPTH_ZERO_SELF_.... */
1184         if (ok)
1185                 {
1186                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1187                 return 0;
1188                 }
1189         else
1190                 {
1191                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1192                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1193                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1194                         err,X509_STORE_CTX_get_error_depth(ctx),
1195                         X509_verify_cert_error_string(err));
1196                 return 1;
1197                 }
1198         }
1199
1200 /* self sign */
1201 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1202                                                 CONF *conf, char *section)
1203         {
1204
1205         EVP_PKEY *pktmp;
1206
1207         pktmp = X509_get_pubkey(x);
1208         EVP_PKEY_copy_parameters(pktmp,pkey);
1209         EVP_PKEY_save_parameters(pktmp,1);
1210         EVP_PKEY_free(pktmp);
1211
1212         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1213         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1214
1215         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1216         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1217         /* 28 days to be certified */
1218
1219         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1220                 goto err;
1221
1222         if (!X509_set_pubkey(x,pkey)) goto err;
1223         if (clrext)
1224                 {
1225                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1226                 }
1227         if (conf)
1228                 {
1229                 X509V3_CTX ctx;
1230                 X509_set_version(x,2); /* version 3 certificate */
1231                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1232                 X509V3_set_nconf(&ctx, conf);
1233                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1234                 }
1235         if (!X509_sign(x,pkey,digest)) goto err;
1236         return 1;
1237 err:
1238         ERR_print_errors(bio_err);
1239         return 0;
1240         }
1241
1242 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1243 {
1244         int id, i, idret;
1245         char *pname;
1246         id = X509_PURPOSE_get_id(pt);
1247         pname = X509_PURPOSE_get0_name(pt);
1248         for (i = 0; i < 2; i++)
1249                 {
1250                 idret = X509_check_purpose(cert, id, i);
1251                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1252                 if (idret == 1) BIO_printf(bio, "Yes\n");
1253                 else if (idret == 0) BIO_printf(bio, "No\n");
1254                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1255                 }
1256         return 1;
1257 }