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 #ifndef OPENSSL_NO_RSA
  77 #include <openssl/rsa.h>
  78 #endif
  79 #ifndef OPENSSL_NO_DSA
  80 #include <openssl/dsa.h>
  81 #endif
  82
  83 #undef PROG
  84 #define PROG x509_main
  85
  86 #undef POSTFIX
  87 #define POSTFIX ".srl"
  88 #define DEF_DAYS        30
  89
  90 static const char *x509_usage[]={
  91 "usage: x509 args\n",
  92 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  93 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  94 " -keyform arg    - private key format - default PEM\n",
  95 " -CAform arg     - CA format - default PEM\n",
  96 " -CAkeyform arg  - CA key format - default PEM\n",
  97 " -in arg         - input file - default stdin\n",
  98 " -out arg        - output file - default stdout\n",
  99 " -passin arg     - private key password source\n",
 100 " -serial         - print serial number value\n",
 101 " -subject_hash   - print subject hash value\n",
 102 " -issuer_hash    - print issuer hash value\n",
 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 " -trustout       - output a \"trusted\" certificate\n",
 118 " -clrtrust       - clear all trusted purposes\n",
 119 " -clrreject      - clear all rejected purposes\n",
 120 " -addtrust arg   - trust certificate for a given purpose\n",
 121 " -addreject arg  - reject certificate for a given purpose\n",
 122 " -setalias arg   - set certificate alias\n",
 123 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 124 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 125 "                   exit 1 if so, 0 if not\n",
 126 " -signkey arg    - self sign cert with arg\n",
 127 " -x509toreq      - output a certification request object\n",
 128 " -req            - input is a certificate request, sign and output.\n",
 129 " -CA arg         - set the CA certificate, must be PEM format.\n",
 130 " -CAkey arg      - set the CA key, must be PEM format\n",
 131 "                   missing, it is assumed to be in the CA file.\n",
 132 " -CAcreateserial - create serial number file if it does not exist\n",
 133 " -CAserial arg   - serial file\n",
 134 " -set_serial     - serial number to use\n",
 135 " -text           - print the certificate in text form\n",
 136 " -C              - print out C code forms\n",
 137 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 138 " -extfile        - configuration file with X509V3 extensions to add\n",
 139 " -extensions     - section from config file with X509V3 extensions to add\n",
 140 " -clrext         - delete extensions before signing and input certificate\n",
 141 " -nameopt arg    - various certificate name options\n",
 142 #ifndef OPENSSL_NO_ENGINE
 143 " -engine e       - use engine e, possibly a hardware device.\n",
 144 #endif
 145 " -certopt arg    - various certificate text options\n",
 146 NULL
 147 };
 148
 149 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 150 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 151                                                 CONF *conf, char *section);
 152 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 153                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 154                          int create,int days, int clrext, CONF *conf, char *section,
 155                                                 ASN1_INTEGER *sno);
 156 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 157 static int reqfile=0;
 158
 159 int MAIN(int, char **);
 160
 161 int MAIN(int argc, char **argv)
 162         {
 163         ENGINE *e = NULL;
 164         int ret=1;
 165         X509_REQ *req=NULL;
 166         X509 *x=NULL,*xca=NULL;
 167         ASN1_OBJECT *objtmp;
 168         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 169         ASN1_INTEGER *sno = NULL;
 170         int i,num,badops=0;
 171         BIO *out=NULL;
 172         BIO *STDout=NULL;
 173         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 174         int informat,outformat,keyformat,CAformat,CAkeyformat;
 175         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 176         char *CAkeyfile=NULL,*CAserial=NULL;
 177         char *alias=NULL;
 178         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
 179         int next_serial=0;
 180         int subject_hash=0,issuer_hash=0,ocspid=0;
 181         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 182         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 183         int C=0;
 184         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 185         int pprint = 0;
 186         const char **pp;
 187         X509_STORE *ctx=NULL;
 188         X509_REQ *rq=NULL;
 189         int fingerprint=0;
 190         char buf[256];
 191         const EVP_MD *md_alg,*digest=NULL;
 192         CONF *extconf = NULL;
 193         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 194         int need_rand = 0;
 195         int checkend=0,checkoffset=0;
 196         unsigned long nmflag = 0, certflag = 0;
 197 #ifndef OPENSSL_NO_ENGINE
 198         char *engine=NULL;
 199 #endif
 200
 201         reqfile=0;
 202
 203         apps_startup();
 204
 205         if (bio_err == NULL)
 206                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 207
 208         if (!load_config(bio_err, NULL))
 209                 goto end;
 210         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 211 #ifdef OPENSSL_SYS_VMS
 212         {
 213         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 214         STDout = BIO_push(tmpbio, STDout);
 215         }
 216 #endif
 217
 218         informat=FORMAT_PEM;
 219         outformat=FORMAT_PEM;
 220         keyformat=FORMAT_PEM;
 221         CAformat=FORMAT_PEM;
 222         CAkeyformat=FORMAT_PEM;
 223
 224         ctx=X509_STORE_new();
 225         if (ctx == NULL) goto end;
 226         X509_STORE_set_verify_cb_func(ctx,callb);
 227
 228         argc--;
 229         argv++;
 230         num=0;
 231         while (argc >= 1)
 232                 {
 233                 if      (strcmp(*argv,"-inform") == 0)
 234                         {
 235                         if (--argc < 1) goto bad;
 236                         informat=str2fmt(*(++argv));
 237                         }
 238                 else if (strcmp(*argv,"-outform") == 0)
 239                         {
 240                         if (--argc < 1) goto bad;
 241                         outformat=str2fmt(*(++argv));
 242                         }
 243                 else if (strcmp(*argv,"-keyform") == 0)
 244                         {
 245                         if (--argc < 1) goto bad;
 246                         keyformat=str2fmt(*(++argv));
 247                         }
 248                 else if (strcmp(*argv,"-req") == 0)
 249                         {
 250                         reqfile=1;
 251                         need_rand = 1;
 252                         }
 253                 else if (strcmp(*argv,"-CAform") == 0)
 254                         {
 255                         if (--argc < 1) goto bad;
 256                         CAformat=str2fmt(*(++argv));
 257                         }
 258                 else if (strcmp(*argv,"-CAkeyform") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         CAkeyformat=str2fmt(*(++argv));
 262                         }
 263                 else if (strcmp(*argv,"-days") == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         days=atoi(*(++argv));
 267                         if (days == 0)
 268                                 {
 269                                 BIO_printf(STDout,"bad number of days\n");
 270                                 goto bad;
 271                                 }
 272                         }
 273                 else if (strcmp(*argv,"-passin") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         passargin= *(++argv);
 277                         }
 278                 else if (strcmp(*argv,"-extfile") == 0)
 279                         {
 280                         if (--argc < 1) goto bad;
 281                         extfile= *(++argv);
 282                         }
 283                 else if (strcmp(*argv,"-extensions") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         extsect= *(++argv);
 287                         }
 288                 else if (strcmp(*argv,"-in") == 0)
 289                         {
 290                         if (--argc < 1) goto bad;
 291                         infile= *(++argv);
 292                         }
 293                 else if (strcmp(*argv,"-out") == 0)
 294                         {
 295                         if (--argc < 1) goto bad;
 296                         outfile= *(++argv);
 297                         }
 298                 else if (strcmp(*argv,"-signkey") == 0)
 299                         {
 300                         if (--argc < 1) goto bad;
 301                         keyfile= *(++argv);
 302                         sign_flag= ++num;
 303                         need_rand = 1;
 304                         }
 305                 else if (strcmp(*argv,"-CA") == 0)
 306                         {
 307                         if (--argc < 1) goto bad;
 308                         CAfile= *(++argv);
 309                         CA_flag= ++num;
 310                         need_rand = 1;
 311                         }
 312                 else if (strcmp(*argv,"-CAkey") == 0)
 313                         {
 314                         if (--argc < 1) goto bad;
 315                         CAkeyfile= *(++argv);
 316                         }
 317                 else if (strcmp(*argv,"-CAserial") == 0)
 318                         {
 319                         if (--argc < 1) goto bad;
 320                         CAserial= *(++argv);
 321                         }
 322                 else if (strcmp(*argv,"-set_serial") == 0)
 323                         {
 324                         if (--argc < 1) goto bad;
 325                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 326                                 goto bad;
 327                         }
 328                 else if (strcmp(*argv,"-addtrust") == 0)
 329                         {
 330                         if (--argc < 1) goto bad;
 331                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 332                                 {
 333                                 BIO_printf(bio_err,
 334                                         "Invalid trust object value %s\n", *argv);
 335                                 goto bad;
 336                                 }
 337                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 338                         sk_ASN1_OBJECT_push(trust, objtmp);
 339                         trustout = 1;
 340                         }
 341                 else if (strcmp(*argv,"-addreject") == 0)
 342                         {
 343                         if (--argc < 1) goto bad;
 344                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 345                                 {
 346                                 BIO_printf(bio_err,
 347                                         "Invalid reject object value %s\n", *argv);
 348                                 goto bad;
 349                                 }
 350                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 351                         sk_ASN1_OBJECT_push(reject, objtmp);
 352                         trustout = 1;
 353                         }
 354                 else if (strcmp(*argv,"-setalias") == 0)
 355                         {
 356                         if (--argc < 1) goto bad;
 357                         alias= *(++argv);
 358                         trustout = 1;
 359                         }
 360                 else if (strcmp(*argv,"-certopt") == 0)
 361                         {
 362                         if (--argc < 1) goto bad;
 363                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 364                         }
 365                 else if (strcmp(*argv,"-nameopt") == 0)
 366                         {
 367                         if (--argc < 1) goto bad;
 368                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 369                         }
 370 #ifndef OPENSSL_NO_ENGINE
 371                 else if (strcmp(*argv,"-engine") == 0)
 372                         {
 373                         if (--argc < 1) goto bad;
 374                         engine= *(++argv);
 375                         }
 376 #endif
 377                 else if (strcmp(*argv,"-C") == 0)
 378                         C= ++num;
 379                 else if (strcmp(*argv,"-email") == 0)
 380                         email= ++num;
 381                 else if (strcmp(*argv,"-serial") == 0)
 382                         serial= ++num;
 383                 else if (strcmp(*argv,"-next_serial") == 0)
 384                         next_serial= ++num;
 385                 else if (strcmp(*argv,"-modulus") == 0)
 386                         modulus= ++num;
 387                 else if (strcmp(*argv,"-pubkey") == 0)
 388                         pubkey= ++num;
 389                 else if (strcmp(*argv,"-x509toreq") == 0)
 390                         x509req= ++num;
 391                 else if (strcmp(*argv,"-text") == 0)
 392                         text= ++num;
 393                 else if (strcmp(*argv,"-hash") == 0
 394                         || strcmp(*argv,"-subject_hash") == 0)
 395                         subject_hash= ++num;
 396                 else if (strcmp(*argv,"-issuer_hash") == 0)
 397                         issuer_hash= ++num;
 398                 else if (strcmp(*argv,"-subject") == 0)
 399                         subject= ++num;
 400                 else if (strcmp(*argv,"-issuer") == 0)
 401                         issuer= ++num;
 402                 else if (strcmp(*argv,"-fingerprint") == 0)
 403                         fingerprint= ++num;
 404                 else if (strcmp(*argv,"-dates") == 0)
 405                         {
 406                         startdate= ++num;
 407                         enddate= ++num;
 408                         }
 409                 else if (strcmp(*argv,"-purpose") == 0)
 410                         pprint= ++num;
 411                 else if (strcmp(*argv,"-startdate") == 0)
 412                         startdate= ++num;
 413                 else if (strcmp(*argv,"-enddate") == 0)
 414                         enddate= ++num;
 415                 else if (strcmp(*argv,"-checkend") == 0)
 416                         {
 417                         if (--argc < 1) goto bad;
 418                         checkoffset=atoi(*(++argv));
 419                         checkend=1;
 420                         }
 421                 else if (strcmp(*argv,"-noout") == 0)
 422                         noout= ++num;
 423                 else if (strcmp(*argv,"-trustout") == 0)
 424                         trustout= 1;
 425                 else if (strcmp(*argv,"-clrtrust") == 0)
 426                         clrtrust= ++num;
 427                 else if (strcmp(*argv,"-clrreject") == 0)
 428                         clrreject= ++num;
 429                 else if (strcmp(*argv,"-alias") == 0)
 430                         aliasout= ++num;
 431                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 432                         CA_createserial= ++num;
 433                 else if (strcmp(*argv,"-clrext") == 0)
 434                         clrext = 1;
 435 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 436                 else if (strcmp(*argv,"-crlext") == 0)
 437                         {
 438                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 439                         clrext = 1;
 440                         }
 441 #endif
 442                 else if (strcmp(*argv,"-ocspid") == 0)
 443                         ocspid= ++num;
 444                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 445                         {
 446                         /* ok */
 447                         digest=md_alg;
 448                         }
 449                 else
 450                         {
 451                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 452                         badops=1;
 453                         break;
 454                         }
 455                 argc--;
 456                 argv++;
 457                 }
 458
 459         if (badops)
 460                 {
 461 bad:
 462                 for (pp=x509_usage; (*pp != NULL); pp++)
 463                         BIO_printf(bio_err,"%s",*pp);
 464                 goto end;
 465                 }
 466
 467 #ifndef OPENSSL_NO_ENGINE
 468         e = setup_engine(bio_err, engine, 0);
 469 #endif
 470
 471         if (need_rand)
 472                 app_RAND_load_file(NULL, bio_err, 0);
 473
 474         ERR_load_crypto_strings();
 475
 476         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 477                 {
 478                 BIO_printf(bio_err, "Error getting password\n");
 479                 goto end;
 480                 }
 481
 482         if (!X509_STORE_set_default_paths(ctx))
 483                 {
 484                 ERR_print_errors(bio_err);
 485                 goto end;
 486                 }
 487
 488         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 489                 { CAkeyfile=CAfile; }
 490         else if ((CA_flag) && (CAkeyfile == NULL))
 491                 {
 492                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 493                 goto end;
 494                 }
 495
 496         if (extfile)
 497                 {
 498                 long errorline = -1;
 499                 X509V3_CTX ctx2;
 500                 extconf = NCONF_new(NULL);
 501                 if (!NCONF_load(extconf, extfile,&errorline))
 502                         {
 503                         if (errorline <= 0)
 504                                 BIO_printf(bio_err,
 505                                         "error loading the config file '%s'\n",
 506                                                                 extfile);
 507                         else
 508                                 BIO_printf(bio_err,
 509                                        "error on line %ld of config file '%s'\n"
 510                                                         ,errorline,extfile);
 511                         goto end;
 512                         }
 513                 if (!extsect)
 514                         {
 515                         extsect = NCONF_get_string(extconf, "default", "extensions");
 516                         if (!extsect)
 517                                 {
 518                                 ERR_clear_error();
 519                                 extsect = "default";
 520                                 }
 521                         }
 522                 X509V3_set_ctx_test(&ctx2);
 523                 X509V3_set_nconf(&ctx2, extconf);
 524                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 525                         {
 526                         BIO_printf(bio_err,
 527                                 "Error Loading extension section %s\n",
 528                                                                  extsect);
 529                         ERR_print_errors(bio_err);
 530                         goto end;
 531                         }
 532                 }
 533
 534
 535         if (reqfile)
 536                 {
 537                 EVP_PKEY *pkey;
 538                 X509_CINF *ci;
 539                 BIO *in;
 540
 541                 if (!sign_flag && !CA_flag)
 542                         {
 543                         BIO_printf(bio_err,"We need a private key to sign with\n");
 544                         goto end;
 545                         }
 546                 in=BIO_new(BIO_s_file());
 547                 if (in == NULL)
 548                         {
 549                         ERR_print_errors(bio_err);
 550                         goto end;
 551                         }
 552
 553                 if (infile == NULL)
 554                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 555                 else
 556                         {
 557                         if (BIO_read_filename(in,infile) <= 0)
 558                                 {
 559                                 perror(infile);
 560                                 BIO_free(in);
 561                                 goto end;
 562                                 }
 563                         }
 564                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 565                 BIO_free(in);
 566
 567                 if (req == NULL)
 568                         {
 569                         ERR_print_errors(bio_err);
 570                         goto end;
 571                         }
 572
 573                 if (    (req->req_info == NULL) ||
 574                         (req->req_info->pubkey == NULL) ||
 575                         (req->req_info->pubkey->public_key == NULL) ||
 576                         (req->req_info->pubkey->public_key->data == NULL))
 577                         {
 578                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 579                         BIO_printf(bio_err,"It does not contain a public key\n");
 580                         goto end;
 581                         }
 582                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 583                         {
 584                         BIO_printf(bio_err,"error unpacking public key\n");
 585                         goto end;
 586                         }
 587                 i=X509_REQ_verify(req,pkey);
 588                 EVP_PKEY_free(pkey);
 589                 if (i < 0)
 590                         {
 591                         BIO_printf(bio_err,"Signature verification error\n");
 592                         ERR_print_errors(bio_err);
 593                         goto end;
 594                         }
 595                 if (i == 0)
 596                         {
 597                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 598                         goto end;
 599                         }
 600                 else
 601                         BIO_printf(bio_err,"Signature ok\n");
 602
 603                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 604
 605                 if ((x=X509_new()) == NULL) goto end;
 606                 ci=x->cert_info;
 607
 608                 if (sno == NULL)
 609                         {
 610                         sno = ASN1_INTEGER_new();
 611                         if (!sno || !rand_serial(NULL, sno))
 612                                 goto end;
 613                         if (!X509_set_serialNumber(x, sno))
 614                                 goto end;
 615                         ASN1_INTEGER_free(sno);
 616                         sno = NULL;
 617                         }
 618                 else if (!X509_set_serialNumber(x, sno))
 619                         goto end;
 620
 621                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 622                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 623
 624                 X509_gmtime_adj(X509_get_notBefore(x),0);
 625                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 626
 627                 pkey = X509_REQ_get_pubkey(req);
 628                 X509_set_pubkey(x,pkey);
 629                 EVP_PKEY_free(pkey);
 630                 }
 631         else
 632                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 633
 634         if (x == NULL) goto end;
 635         if (CA_flag)
 636                 {
 637                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 638                 if (xca == NULL) goto end;
 639                 }
 640
 641         if (!noout || text || next_serial)
 642                 {
 643                 OBJ_create("2.99999.3",
 644                         "SET.ex3","SET x509v3 extension 3");
 645
 646                 out=BIO_new(BIO_s_file());
 647                 if (out == NULL)
 648                         {
 649                         ERR_print_errors(bio_err);
 650                         goto end;
 651                         }
 652                 if (outfile == NULL)
 653                         {
 654                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 655 #ifdef OPENSSL_SYS_VMS
 656                         {
 657                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 658                         out = BIO_push(tmpbio, out);
 659                         }
 660 #endif
 661                         }
 662                 else
 663                         {
 664                         if (BIO_write_filename(out,outfile) <= 0)
 665                                 {
 666                                 perror(outfile);
 667                                 goto end;
 668                                 }
 669                         }
 670                 }
 671
 672         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 673
 674         if (clrtrust) X509_trust_clear(x);
 675         if (clrreject) X509_reject_clear(x);
 676
 677         if (trust)
 678                 {
 679                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 680                         {
 681                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 682                         X509_add1_trust_object(x, objtmp);
 683                         }
 684                 }
 685
 686         if (reject)
 687                 {
 688                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 689                         {
 690                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 691                         X509_add1_reject_object(x, objtmp);
 692                         }
 693                 }
 694
 695         if (num)
 696                 {
 697                 for (i=1; i<=num; i++)
 698                         {
 699                         if (issuer == i)
 700                                 {
 701                                 print_name(STDout, "issuer= ",
 702                                         X509_get_issuer_name(x), nmflag);
 703                                 }
 704                         else if (subject == i)
 705                                 {
 706                                 print_name(STDout, "subject= ",
 707                                         X509_get_subject_name(x), nmflag);
 708                                 }
 709                         else if (serial == i)
 710                                 {
 711                                 BIO_printf(STDout,"serial=");
 712                                 i2a_ASN1_INTEGER(STDout,
 713                                         X509_get_serialNumber(x));
 714                                 BIO_printf(STDout,"\n");
 715                                 }
 716                         else if (next_serial == i)
 717                                 {
 718                                 BIGNUM *bnser;
 719                                 ASN1_INTEGER *ser;
 720                                 ser = X509_get_serialNumber(x);
 721                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 722                                 if (!bnser)
 723                                         goto end;
 724                                 if (!BN_add_word(bnser, 1))
 725                                         goto end;
 726                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 727                                 if (!ser)
 728                                         goto end;
 729                                 BN_free(bnser);
 730                                 i2a_ASN1_INTEGER(out, ser);
 731                                 ASN1_INTEGER_free(ser);
 732                                 BIO_puts(out, "\n");
 733                                 }
 734                         else if (email == i)
 735                                 {
 736                                 int j;
 737                                 STACK *emlst;
 738                                 emlst = X509_get1_email(x);
 739                                 for (j = 0; j < sk_num(emlst); j++)
 740                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 741                                 X509_email_free(emlst);
 742                                 }
 743                         else if (aliasout == i)
 744                                 {
 745                                 unsigned char *alstr;
 746                                 alstr = X509_alias_get0(x, NULL);
 747                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 748                                 else BIO_puts(STDout,"<No Alias>\n");
 749                                 }
 750                         else if (subject_hash == i)
 751                                 {
 752                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 753                                 }
 754                         else if (issuer_hash == i)
 755                                 {
 756                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
 757                                 }
 758                         else if (pprint == i)
 759                                 {
 760                                 X509_PURPOSE *ptmp;
 761                                 int j;
 762                                 BIO_printf(STDout, "Certificate purposes:\n");
 763                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 764                                         {
 765                                         ptmp = X509_PURPOSE_get0(j);
 766                                         purpose_print(STDout, x, ptmp);
 767                                         }
 768                                 }
 769                         else
 770                                 if (modulus == i)
 771                                 {
 772                                 EVP_PKEY *pkey;
 773
 774                                 pkey=X509_get_pubkey(x);
 775                                 if (pkey == NULL)
 776                                         {
 777                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 778                                         ERR_print_errors(bio_err);
 779                                         goto end;
 780                                         }
 781                                 BIO_printf(STDout,"Modulus=");
 782 #ifndef OPENSSL_NO_RSA
 783                                 if (pkey->type == EVP_PKEY_RSA)
 784                                         BN_print(STDout,pkey->pkey.rsa->n);
 785                                 else
 786 #endif
 787 #ifndef OPENSSL_NO_DSA
 788                                 if (pkey->type == EVP_PKEY_DSA)
 789                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 790                                 else
 791 #endif
 792                                         BIO_printf(STDout,"Wrong Algorithm type");
 793                                 BIO_printf(STDout,"\n");
 794                                 EVP_PKEY_free(pkey);
 795                                 }
 796                         else
 797                                 if (pubkey == i)
 798                                 {
 799                                 EVP_PKEY *pkey;
 800
 801                                 pkey=X509_get_pubkey(x);
 802                                 if (pkey == NULL)
 803                                         {
 804                                         BIO_printf(bio_err,"Error getting public key\n");
 805                                         ERR_print_errors(bio_err);
 806                                         goto end;
 807                                         }
 808                                 PEM_write_bio_PUBKEY(STDout, pkey);
 809                                 EVP_PKEY_free(pkey);
 810                                 }
 811                         else
 812                                 if (C == i)
 813                                 {
 814                                 unsigned char *d;
 815                                 char *m;
 816                                 int y,z;
 817
 818                                 X509_NAME_oneline(X509_get_subject_name(x),
 819                                         buf,sizeof buf);
 820                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 821                                 m=X509_NAME_oneline(
 822                                         X509_get_issuer_name(x),buf,
 823                                         sizeof buf);
 824                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 825
 826                                 z=i2d_X509(x,NULL);
 827                                 m=OPENSSL_malloc(z);
 828
 829                                 d=(unsigned char *)m;
 830                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 831                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 832                                 d=(unsigned char *)m;
 833                                 for (y=0; y<z; y++)
 834                                         {
 835                                         BIO_printf(STDout,"0x%02X,",d[y]);
 836                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 837                                         }
 838                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 839                                 BIO_printf(STDout,"};\n");
 840
 841                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 842                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 843                                 d=(unsigned char *)m;
 844                                 for (y=0; y<z; y++)
 845                                         {
 846                                         BIO_printf(STDout,"0x%02X,",d[y]);
 847                                         if ((y & 0x0f) == 0x0f)
 848                                                 BIO_printf(STDout,"\n");
 849                                         }
 850                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 851                                 BIO_printf(STDout,"};\n");
 852
 853                                 z=i2d_X509(x,&d);
 854                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 855                                 d=(unsigned char *)m;
 856                                 for (y=0; y<z; y++)
 857                                         {
 858                                         BIO_printf(STDout,"0x%02X,",d[y]);
 859                                         if ((y & 0x0f) == 0x0f)
 860                                                 BIO_printf(STDout,"\n");
 861                                         }
 862                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 863                                 BIO_printf(STDout,"};\n");
 864
 865                                 OPENSSL_free(m);
 866                                 }
 867                         else if (text == i)
 868                                 {
 869                                 X509_print_ex(out,x,nmflag, certflag);
 870                                 }
 871                         else if (startdate == i)
 872                                 {
 873                                 BIO_puts(STDout,"notBefore=");
 874                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 875                                 BIO_puts(STDout,"\n");
 876                                 }
 877                         else if (enddate == i)
 878                                 {
 879                                 BIO_puts(STDout,"notAfter=");
 880                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 881                                 BIO_puts(STDout,"\n");
 882                                 }
 883                         else if (fingerprint == i)
 884                                 {
 885                                 int j;
 886                                 unsigned int n;
 887                                 unsigned char md[EVP_MAX_MD_SIZE];
 888                                 const EVP_MD *fdig = digest;
 889
 890                                 if (!fdig)
 891                                         fdig = EVP_sha1();
 892
 893                                 if (!X509_digest(x,fdig,md,&n))
 894                                         {
 895                                         BIO_printf(bio_err,"out of memory\n");
 896                                         goto end;
 897                                         }
 898                                 BIO_printf(STDout,"%s Fingerprint=",
 899                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
 900                                 for (j=0; j<(int)n; j++)
 901                                         {
 902                                         BIO_printf(STDout,"%02X%c",md[j],
 903                                                 (j+1 == (int)n)
 904                                                 ?'\n':':');
 905                                         }
 906                                 }
 907
 908                         /* should be in the library */
 909                         else if ((sign_flag == i) && (x509req == 0))
 910                                 {
 911                                 BIO_printf(bio_err,"Getting Private key\n");
 912                                 if (Upkey == NULL)
 913                                         {
 914                                         Upkey=load_key(bio_err,
 915                                                 keyfile, keyformat, 0,
 916                                                 passin, e, "Private key");
 917                                         if (Upkey == NULL) goto end;
 918                                         }
 919
 920                                 assert(need_rand);
 921                                 if (!sign(x,Upkey,days,clrext,digest,
 922                                                  extconf, extsect)) goto end;
 923                                 }
 924                         else if (CA_flag == i)
 925                                 {
 926                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 927                                 if (CAkeyfile != NULL)
 928                                         {
 929                                         CApkey=load_key(bio_err,
 930                                                 CAkeyfile, CAkeyformat,
 931                                                 0, passin, e,
 932                                                 "CA Private Key");
 933                                         if (CApkey == NULL) goto end;
 934                                         }
 935
 936                                 assert(need_rand);
 937                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 938                                         CApkey, CAserial,CA_createserial,days, clrext,
 939                                         extconf, extsect, sno))
 940                                         goto end;
 941                                 }
 942                         else if (x509req == i)
 943                                 {
 944                                 EVP_PKEY *pk;
 945
 946                                 BIO_printf(bio_err,"Getting request Private Key\n");
 947                                 if (keyfile == NULL)
 948                                         {
 949                                         BIO_printf(bio_err,"no request key file specified\n");
 950                                         goto end;
 951                                         }
 952                                 else
 953                                         {
 954                                         pk=load_key(bio_err,
 955                                                 keyfile, FORMAT_PEM, 0,
 956                                                 passin, e, "request key");
 957                                         if (pk == NULL) goto end;
 958                                         }
 959
 960                                 BIO_printf(bio_err,"Generating certificate request\n");
 961
 962                                 rq=X509_to_X509_REQ(x,pk,digest);
 963                                 EVP_PKEY_free(pk);
 964                                 if (rq == NULL)
 965                                         {
 966                                         ERR_print_errors(bio_err);
 967                                         goto end;
 968                                         }
 969                                 if (!noout)
 970                                         {
 971                                         X509_REQ_print(out,rq);
 972                                         PEM_write_bio_X509_REQ(out,rq);
 973                                         }
 974                                 noout=1;
 975                                 }
 976                         else if (ocspid == i)
 977                                 {
 978                                 X509_ocspid_print(out, x);
 979                                 }
 980                         }
 981                 }
 982
 983         if (checkend)
 984                 {
 985                 time_t tcheck=time(NULL) + checkoffset;
 986
 987                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
 988                         {
 989                         BIO_printf(out,"Certificate will expire\n");
 990                         ret=1;
 991                         }
 992                 else
 993                         {
 994                         BIO_printf(out,"Certificate will not expire\n");
 995                         ret=0;
 996                         }
 997                 goto end;
 998                 }
 999
1000         if (noout)
1001                 {
1002                 ret=0;
1003                 goto end;
1004                 }
1005
1006         if      (outformat == FORMAT_ASN1)
1007                 i=i2d_X509_bio(out,x);
1008         else if (outformat == FORMAT_PEM)
1009                 {
1010                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1011                 else i=PEM_write_bio_X509(out,x);
1012                 }
1013         else if (outformat == FORMAT_NETSCAPE)
1014                 {
1015                 NETSCAPE_X509 nx;
1016                 ASN1_OCTET_STRING hdr;
1017
1018                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1019                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1020                 nx.header= &hdr;
1021                 nx.cert=x;
1022
1023                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1024                 }
1025         else    {
1026                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1027                 goto end;
1028                 }
1029         if (!i)
1030                 {
1031                 BIO_printf(bio_err,"unable to write certificate\n");
1032                 ERR_print_errors(bio_err);
1033                 goto end;
1034                 }
1035         ret=0;
1036 end:
1037         if (need_rand)
1038                 app_RAND_write_file(NULL, bio_err);
1039         OBJ_cleanup();
1040         NCONF_free(extconf);
1041         BIO_free_all(out);
1042         BIO_free_all(STDout);
1043         X509_STORE_free(ctx);
1044         X509_REQ_free(req);
1045         X509_free(x);
1046         X509_free(xca);
1047         EVP_PKEY_free(Upkey);
1048         EVP_PKEY_free(CApkey);
1049         X509_REQ_free(rq);
1050         ASN1_INTEGER_free(sno);
1051         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1052         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1053         if (passin) OPENSSL_free(passin);
1054         apps_shutdown();
1055         OPENSSL_EXIT(ret);
1056         }
1057
1058 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1059         {
1060         char *buf = NULL, *p;
1061         ASN1_INTEGER *bs = NULL;
1062         BIGNUM *serial = NULL;
1063         size_t len;
1064
1065         len = ((serialfile == NULL)
1066                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1067                 :(strlen(serialfile)))+1;
1068         buf=OPENSSL_malloc(len);
1069         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1070         if (serialfile == NULL)
1071                 {
1072                 BUF_strlcpy(buf,CAfile,len);
1073                 for (p=buf; *p; p++)
1074                         if (*p == '.')
1075                                 {
1076                                 *p='\0';
1077                                 break;
1078                                 }
1079                 BUF_strlcat(buf,POSTFIX,len);
1080                 }
1081         else
1082                 BUF_strlcpy(buf,serialfile,len);
1083
1084         serial = load_serial(buf, create, NULL);
1085         if (serial == NULL) goto end;
1086
1087         if (!BN_add_word(serial,1))
1088                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1089
1090         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1091
1092  end:
1093         if (buf) OPENSSL_free(buf);
1094         BN_free(serial);
1095         return bs;
1096         }
1097
1098 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1099              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1100              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1101         {
1102         int ret=0;
1103         ASN1_INTEGER *bs=NULL;
1104         X509_STORE_CTX xsc;
1105         EVP_PKEY *upkey;
1106
1107         upkey = X509_get_pubkey(xca);
1108         EVP_PKEY_copy_parameters(upkey,pkey);
1109         EVP_PKEY_free(upkey);
1110
1111         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1112                 {
1113                 BIO_printf(bio_err,"Error initialising X509 store\n");
1114                 goto end;
1115                 }
1116         if (sno) bs = sno;
1117         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1118                 goto end;
1119
1120 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1121
1122         /* NOTE: this certificate can/should be self signed, unless it was
1123          * a certificate request in which case it is not. */
1124         X509_STORE_CTX_set_cert(&xsc,x);
1125         if (!reqfile && !X509_verify_cert(&xsc))
1126                 goto end;
1127
1128         if (!X509_check_private_key(xca,pkey))
1129                 {
1130                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1131                 goto end;
1132                 }
1133
1134         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1135         if (!X509_set_serialNumber(x,bs)) goto end;
1136
1137         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1138                 goto end;
1139
1140         /* hardwired expired */
1141         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1142                 goto end;
1143
1144         if (clrext)
1145                 {
1146                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1147                 }
1148
1149         if (conf)
1150                 {
1151                 X509V3_CTX ctx2;
1152                 X509_set_version(x,2); /* version 3 certificate */
1153                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1154                 X509V3_set_nconf(&ctx2, conf);
1155                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1156                 }
1157
1158         if (!X509_sign(x,pkey,digest)) goto end;
1159         ret=1;
1160 end:
1161         X509_STORE_CTX_cleanup(&xsc);
1162         if (!ret)
1163                 ERR_print_errors(bio_err);
1164         if (!sno) ASN1_INTEGER_free(bs);
1165         return ret;
1166         }
1167
1168 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1169         {
1170         int err;
1171         X509 *err_cert;
1172
1173         /* it is ok to use a self signed certificate
1174          * This case will catch both the initial ok == 0 and the
1175          * final ok == 1 calls to this function */
1176         err=X509_STORE_CTX_get_error(ctx);
1177         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1178                 return 1;
1179
1180         /* BAD we should have gotten an error.  Normally if everything
1181          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1182          * DEPTH_ZERO_SELF_.... */
1183         if (ok)
1184                 {
1185                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1186                 return 0;
1187                 }
1188         else
1189                 {
1190                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1191                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1192                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1193                         err,X509_STORE_CTX_get_error_depth(ctx),
1194                         X509_verify_cert_error_string(err));
1195                 return 1;
1196                 }
1197         }
1198
1199 /* self sign */
1200 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1201                                                 CONF *conf, char *section)
1202         {
1203
1204         EVP_PKEY *pktmp;
1205
1206         pktmp = X509_get_pubkey(x);
1207         EVP_PKEY_copy_parameters(pktmp,pkey);
1208         EVP_PKEY_save_parameters(pktmp,1);
1209         EVP_PKEY_free(pktmp);
1210
1211         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1212         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1213
1214         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1215         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1216         /* 28 days to be certified */
1217
1218         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1219                 goto err;
1220
1221         if (!X509_set_pubkey(x,pkey)) goto err;
1222         if (clrext)
1223                 {
1224                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1225                 }
1226         if (conf)
1227                 {
1228                 X509V3_CTX ctx;
1229                 X509_set_version(x,2); /* version 3 certificate */
1230                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1231                 X509V3_set_nconf(&ctx, conf);
1232                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1233                 }
1234         if (!X509_sign(x,pkey,digest)) goto err;
1235         return 1;
1236 err:
1237         ERR_print_errors(bio_err);
1238         return 0;
1239         }
1240
1241 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1242 {
1243         int id, i, idret;
1244         char *pname;
1245         id = X509_PURPOSE_get_id(pt);
1246         pname = X509_PURPOSE_get0_name(pt);
1247         for (i = 0; i < 2; i++)
1248                 {
1249                 idret = X509_check_purpose(cert, id, i);
1250                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1251                 if (idret == 1) BIO_printf(bio, "Yes\n");
1252                 else if (idret == 0) BIO_printf(bio, "No\n");
1253                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1254                 }
1255         return 1;
1256 }