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 " -subject_hash   - print subject hash value\n",
  96 " -issuer_hash    - print issuer hash value\n",
  97 " -hash           - synonym for -subject_hash\n",
  98 " -subject        - print subject DN\n",
  99 " -issuer         - print issuer DN\n",
 100 " -email          - print email address(es)\n",
 101 " -startdate      - notBefore field\n",
 102 " -enddate        - notAfter field\n",
 103 " -purpose        - print out certificate purposes\n",
 104 " -dates          - both Before and After dates\n",
 105 " -modulus        - print the RSA key modulus\n",
 106 " -pubkey         - output the public key\n",
 107 " -fingerprint    - print the certificate fingerprint\n",
 108 " -alias          - output certificate alias\n",
 109 " -noout          - no certificate output\n",
 110 " -ocspid         - print OCSP hash values for the subject name and public key\n",
 111 " -trustout       - output a \"trusted\" certificate\n",
 112 " -clrtrust       - clear all trusted purposes\n",
 113 " -clrreject      - clear all rejected purposes\n",
 114 " -addtrust arg   - trust certificate for a given purpose\n",
 115 " -addreject arg  - reject certificate for a given purpose\n",
 116 " -setalias arg   - set certificate alias\n",
 117 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 118 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 119 "                   exit 1 if so, 0 if not\n",
 120 " -signkey arg    - self sign cert with arg\n",
 121 " -x509toreq      - output a certification request object\n",
 122 " -req            - input is a certificate request, sign and output.\n",
 123 " -CA arg         - set the CA certificate, must be PEM format.\n",
 124 " -CAkey arg      - set the CA key, must be PEM format\n",
 125 "                   missing, it is assumed to be in the CA file.\n",
 126 " -CAcreateserial - create serial number file if it does not exist\n",
 127 " -CAserial arg   - serial file\n",
 128 " -set_serial     - serial number to use\n",
 129 " -text           - print the certificate in text form\n",
 130 " -C              - print out C code forms\n",
 131 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 132 " -extfile        - configuration file with X509V3 extensions to add\n",
 133 " -extensions     - section from config file with X509V3 extensions to add\n",
 134 " -clrext         - delete extensions before signing and input certificate\n",
 135 " -nameopt arg    - various certificate name options\n",
 136 #ifndef OPENSSL_NO_ENGINE
 137 " -engine e       - use engine e, possibly a hardware device.\n",
 138 #endif
 139 " -certopt arg    - various certificate text options\n",
 140 NULL
 141 };
 142
 143 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 144 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 145                                                 CONF *conf, char *section);
 146 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 147                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 148                          int create,int days, int clrext, CONF *conf, char *section,
 149                                                 ASN1_INTEGER *sno);
 150 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 151 static int reqfile=0;
 152
 153 int MAIN(int, char **);
 154
 155 int MAIN(int argc, char **argv)
 156         {
 157         ENGINE *e = NULL;
 158         int ret=1;
 159         X509_REQ *req=NULL;
 160         X509 *x=NULL,*xca=NULL;
 161         ASN1_OBJECT *objtmp;
 162         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 163         ASN1_INTEGER *sno = NULL;
 164         int i,num,badops=0;
 165         BIO *out=NULL;
 166         BIO *STDout=NULL;
 167         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 168         int informat,outformat,keyformat,CAformat,CAkeyformat;
 169         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 170         char *CAkeyfile=NULL,*CAserial=NULL;
 171         char *alias=NULL;
 172         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
 173         int subject_hash=0,issuer_hash=0,ocspid=0;
 174         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 175         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 176         int C=0;
 177         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 178         int pprint = 0;
 179         char **pp;
 180         X509_STORE *ctx=NULL;
 181         X509_REQ *rq=NULL;
 182         int fingerprint=0;
 183         char buf[256];
 184         const EVP_MD *md_alg,*digest=EVP_md5();
 185         CONF *extconf = NULL;
 186         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 187         int need_rand = 0;
 188         int checkend=0,checkoffset=0;
 189         unsigned long nmflag = 0, certflag = 0;
 190 #ifndef OPENSSL_NO_ENGINE
 191         char *engine=NULL;
 192 #endif
 193
 194         reqfile=0;
 195
 196         apps_startup();
 197
 198         if (bio_err == NULL)
 199                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 200
 201         if (!load_config(bio_err, NULL))
 202                 goto end;
 203         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 204 #ifdef OPENSSL_SYS_VMS
 205         {
 206         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 207         STDout = BIO_push(tmpbio, STDout);
 208         }
 209 #endif
 210
 211         informat=FORMAT_PEM;
 212         outformat=FORMAT_PEM;
 213         keyformat=FORMAT_PEM;
 214         CAformat=FORMAT_PEM;
 215         CAkeyformat=FORMAT_PEM;
 216
 217         ctx=X509_STORE_new();
 218         if (ctx == NULL) goto end;
 219         X509_STORE_set_verify_cb_func(ctx,callb);
 220
 221         argc--;
 222         argv++;
 223         num=0;
 224         while (argc >= 1)
 225                 {
 226                 if      (strcmp(*argv,"-inform") == 0)
 227                         {
 228                         if (--argc < 1) goto bad;
 229                         informat=str2fmt(*(++argv));
 230                         }
 231                 else if (strcmp(*argv,"-outform") == 0)
 232                         {
 233                         if (--argc < 1) goto bad;
 234                         outformat=str2fmt(*(++argv));
 235                         }
 236                 else if (strcmp(*argv,"-keyform") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                         keyformat=str2fmt(*(++argv));
 240                         }
 241                 else if (strcmp(*argv,"-req") == 0)
 242                         {
 243                         reqfile=1;
 244                         need_rand = 1;
 245                         }
 246                 else if (strcmp(*argv,"-CAform") == 0)
 247                         {
 248                         if (--argc < 1) goto bad;
 249                         CAformat=str2fmt(*(++argv));
 250                         }
 251                 else if (strcmp(*argv,"-CAkeyform") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         CAkeyformat=str2fmt(*(++argv));
 255                         }
 256                 else if (strcmp(*argv,"-days") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         days=atoi(*(++argv));
 260                         if (days == 0)
 261                                 {
 262                                 BIO_printf(STDout,"bad number of days\n");
 263                                 goto bad;
 264                                 }
 265                         }
 266                 else if (strcmp(*argv,"-passin") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         passargin= *(++argv);
 270                         }
 271                 else if (strcmp(*argv,"-extfile") == 0)
 272                         {
 273                         if (--argc < 1) goto bad;
 274                         extfile= *(++argv);
 275                         }
 276                 else if (strcmp(*argv,"-extensions") == 0)
 277                         {
 278                         if (--argc < 1) goto bad;
 279                         extsect= *(++argv);
 280                         }
 281                 else if (strcmp(*argv,"-in") == 0)
 282                         {
 283                         if (--argc < 1) goto bad;
 284                         infile= *(++argv);
 285                         }
 286                 else if (strcmp(*argv,"-out") == 0)
 287                         {
 288                         if (--argc < 1) goto bad;
 289                         outfile= *(++argv);
 290                         }
 291                 else if (strcmp(*argv,"-signkey") == 0)
 292                         {
 293                         if (--argc < 1) goto bad;
 294                         keyfile= *(++argv);
 295                         sign_flag= ++num;
 296                         need_rand = 1;
 297                         }
 298                 else if (strcmp(*argv,"-CA") == 0)
 299                         {
 300                         if (--argc < 1) goto bad;
 301                         CAfile= *(++argv);
 302                         CA_flag= ++num;
 303                         need_rand = 1;
 304                         }
 305                 else if (strcmp(*argv,"-CAkey") == 0)
 306                         {
 307                         if (--argc < 1) goto bad;
 308                         CAkeyfile= *(++argv);
 309                         }
 310                 else if (strcmp(*argv,"-CAserial") == 0)
 311                         {
 312                         if (--argc < 1) goto bad;
 313                         CAserial= *(++argv);
 314                         }
 315                 else if (strcmp(*argv,"-set_serial") == 0)
 316                         {
 317                         if (--argc < 1) goto bad;
 318                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 319                                 goto bad;
 320                         }
 321                 else if (strcmp(*argv,"-addtrust") == 0)
 322                         {
 323                         if (--argc < 1) goto bad;
 324                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 325                                 {
 326                                 BIO_printf(bio_err,
 327                                         "Invalid trust object value %s\n", *argv);
 328                                 goto bad;
 329                                 }
 330                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 331                         sk_ASN1_OBJECT_push(trust, objtmp);
 332                         trustout = 1;
 333                         }
 334                 else if (strcmp(*argv,"-addreject") == 0)
 335                         {
 336                         if (--argc < 1) goto bad;
 337                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 338                                 {
 339                                 BIO_printf(bio_err,
 340                                         "Invalid reject object value %s\n", *argv);
 341                                 goto bad;
 342                                 }
 343                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 344                         sk_ASN1_OBJECT_push(reject, objtmp);
 345                         trustout = 1;
 346                         }
 347                 else if (strcmp(*argv,"-setalias") == 0)
 348                         {
 349                         if (--argc < 1) goto bad;
 350                         alias= *(++argv);
 351                         trustout = 1;
 352                         }
 353                 else if (strcmp(*argv,"-certopt") == 0)
 354                         {
 355                         if (--argc < 1) goto bad;
 356                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 357                         }
 358                 else if (strcmp(*argv,"-nameopt") == 0)
 359                         {
 360                         if (--argc < 1) goto bad;
 361                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 362                         }
 363 #ifndef OPENSSL_NO_ENGINE
 364                 else if (strcmp(*argv,"-engine") == 0)
 365                         {
 366                         if (--argc < 1) goto bad;
 367                         engine= *(++argv);
 368                         }
 369 #endif
 370                 else if (strcmp(*argv,"-C") == 0)
 371                         C= ++num;
 372                 else if (strcmp(*argv,"-email") == 0)
 373                         email= ++num;
 374                 else if (strcmp(*argv,"-serial") == 0)
 375                         serial= ++num;
 376                 else if (strcmp(*argv,"-modulus") == 0)
 377                         modulus= ++num;
 378                 else if (strcmp(*argv,"-pubkey") == 0)
 379                         pubkey= ++num;
 380                 else if (strcmp(*argv,"-x509toreq") == 0)
 381                         x509req= ++num;
 382                 else if (strcmp(*argv,"-text") == 0)
 383                         text= ++num;
 384                 else if (strcmp(*argv,"-hash") == 0
 385                         || strcmp(*argv,"-subject_hash") == 0)
 386                         subject_hash= ++num;
 387                 else if (strcmp(*argv,"-issuer_hash") == 0)
 388                         issuer_hash= ++num;
 389                 else if (strcmp(*argv,"-subject") == 0)
 390                         subject= ++num;
 391                 else if (strcmp(*argv,"-issuer") == 0)
 392                         issuer= ++num;
 393                 else if (strcmp(*argv,"-fingerprint") == 0)
 394                         fingerprint= ++num;
 395                 else if (strcmp(*argv,"-dates") == 0)
 396                         {
 397                         startdate= ++num;
 398                         enddate= ++num;
 399                         }
 400                 else if (strcmp(*argv,"-purpose") == 0)
 401                         pprint= ++num;
 402                 else if (strcmp(*argv,"-startdate") == 0)
 403                         startdate= ++num;
 404                 else if (strcmp(*argv,"-enddate") == 0)
 405                         enddate= ++num;
 406                 else if (strcmp(*argv,"-checkend") == 0)
 407                         {
 408                         if (--argc < 1) goto bad;
 409                         checkoffset=atoi(*(++argv));
 410                         checkend=1;
 411                         }
 412                 else if (strcmp(*argv,"-noout") == 0)
 413                         noout= ++num;
 414                 else if (strcmp(*argv,"-trustout") == 0)
 415                         trustout= 1;
 416                 else if (strcmp(*argv,"-clrtrust") == 0)
 417                         clrtrust= ++num;
 418                 else if (strcmp(*argv,"-clrreject") == 0)
 419                         clrreject= ++num;
 420                 else if (strcmp(*argv,"-alias") == 0)
 421                         aliasout= ++num;
 422                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 423                         CA_createserial= ++num;
 424                 else if (strcmp(*argv,"-clrext") == 0)
 425                         clrext = 1;
 426 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 427                 else if (strcmp(*argv,"-crlext") == 0)
 428                         {
 429                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 430                         clrext = 1;
 431                         }
 432 #endif
 433                 else if (strcmp(*argv,"-ocspid") == 0)
 434                         ocspid= ++num;
 435                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 436                         {
 437                         /* ok */
 438                         digest=md_alg;
 439                         }
 440                 else
 441                         {
 442                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 443                         badops=1;
 444                         break;
 445                         }
 446                 argc--;
 447                 argv++;
 448                 }
 449
 450         if (badops)
 451                 {
 452 bad:
 453                 for (pp=x509_usage; (*pp != NULL); pp++)
 454                         BIO_printf(bio_err,"%s",*pp);
 455                 goto end;
 456                 }
 457
 458 #ifndef OPENSSL_NO_ENGINE
 459         e = setup_engine(bio_err, engine, 0);
 460 #endif
 461
 462         if (need_rand)
 463                 app_RAND_load_file(NULL, bio_err, 0);
 464
 465         ERR_load_crypto_strings();
 466
 467         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 468                 {
 469                 BIO_printf(bio_err, "Error getting password\n");
 470                 goto end;
 471                 }
 472
 473         if (!X509_STORE_set_default_paths(ctx))
 474                 {
 475                 ERR_print_errors(bio_err);
 476                 goto end;
 477                 }
 478
 479         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 480                 { CAkeyfile=CAfile; }
 481         else if ((CA_flag) && (CAkeyfile == NULL))
 482                 {
 483                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 484                 goto end;
 485                 }
 486
 487         if (extfile)
 488                 {
 489                 long errorline = -1;
 490                 X509V3_CTX ctx2;
 491                 extconf = NCONF_new(NULL);
 492                 if (!NCONF_load(extconf, extfile,&errorline))
 493                         {
 494                         if (errorline <= 0)
 495                                 BIO_printf(bio_err,
 496                                         "error loading the config file '%s'\n",
 497                                                                 extfile);
 498                         else
 499                                 BIO_printf(bio_err,
 500                                        "error on line %ld of config file '%s'\n"
 501                                                         ,errorline,extfile);
 502                         goto end;
 503                         }
 504                 if (!extsect)
 505                         {
 506                         extsect = NCONF_get_string(extconf, "default", "extensions");
 507                         if (!extsect)
 508                                 {
 509                                 ERR_clear_error();
 510                                 extsect = "default";
 511                                 }
 512                         }
 513                 X509V3_set_ctx_test(&ctx2);
 514                 X509V3_set_nconf(&ctx2, extconf);
 515                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 516                         {
 517                         BIO_printf(bio_err,
 518                                 "Error Loading extension section %s\n",
 519                                                                  extsect);
 520                         ERR_print_errors(bio_err);
 521                         goto end;
 522                         }
 523                 }
 524
 525
 526         if (reqfile)
 527                 {
 528                 EVP_PKEY *pkey;
 529                 X509_CINF *ci;
 530                 BIO *in;
 531
 532                 if (!sign_flag && !CA_flag)
 533                         {
 534                         BIO_printf(bio_err,"We need a private key to sign with\n");
 535                         goto end;
 536                         }
 537                 in=BIO_new(BIO_s_file());
 538                 if (in == NULL)
 539                         {
 540                         ERR_print_errors(bio_err);
 541                         goto end;
 542                         }
 543
 544                 if (infile == NULL)
 545                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 546                 else
 547                         {
 548                         if (BIO_read_filename(in,infile) <= 0)
 549                                 {
 550                                 perror(infile);
 551                                 BIO_free(in);
 552                                 goto end;
 553                                 }
 554                         }
 555                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 556                 BIO_free(in);
 557
 558                 if (req == NULL)
 559                         {
 560                         ERR_print_errors(bio_err);
 561                         goto end;
 562                         }
 563
 564                 if (    (req->req_info == NULL) ||
 565                         (req->req_info->pubkey == NULL) ||
 566                         (req->req_info->pubkey->public_key == NULL) ||
 567                         (req->req_info->pubkey->public_key->data == NULL))
 568                         {
 569                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 570                         BIO_printf(bio_err,"It does not contain a public key\n");
 571                         goto end;
 572                         }
 573                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 574                         {
 575                         BIO_printf(bio_err,"error unpacking public key\n");
 576                         goto end;
 577                         }
 578                 i=X509_REQ_verify(req,pkey);
 579                 EVP_PKEY_free(pkey);
 580                 if (i < 0)
 581                         {
 582                         BIO_printf(bio_err,"Signature verification error\n");
 583                         ERR_print_errors(bio_err);
 584                         goto end;
 585                         }
 586                 if (i == 0)
 587                         {
 588                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 589                         goto end;
 590                         }
 591                 else
 592                         BIO_printf(bio_err,"Signature ok\n");
 593
 594                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 595
 596                 if ((x=X509_new()) == NULL) goto end;
 597                 ci=x->cert_info;
 598
 599                 if (sno)
 600                         {
 601                         if (!X509_set_serialNumber(x, sno))
 602                                 goto end;
 603                         }
 604                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 605                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 606                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 607
 608                 X509_gmtime_adj(X509_get_notBefore(x),0);
 609                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 610
 611                 pkey = X509_REQ_get_pubkey(req);
 612                 X509_set_pubkey(x,pkey);
 613                 EVP_PKEY_free(pkey);
 614                 }
 615         else
 616                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 617
 618         if (x == NULL) goto end;
 619         if (CA_flag)
 620                 {
 621                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 622                 if (xca == NULL) goto end;
 623                 }
 624
 625         if (!noout || text)
 626                 {
 627                 OBJ_create("2.99999.3",
 628                         "SET.ex3","SET x509v3 extension 3");
 629
 630                 out=BIO_new(BIO_s_file());
 631                 if (out == NULL)
 632                         {
 633                         ERR_print_errors(bio_err);
 634                         goto end;
 635                         }
 636                 if (outfile == NULL)
 637                         {
 638                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 639 #ifdef OPENSSL_SYS_VMS
 640                         {
 641                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 642                         out = BIO_push(tmpbio, out);
 643                         }
 644 #endif
 645                         }
 646                 else
 647                         {
 648                         if (BIO_write_filename(out,outfile) <= 0)
 649                                 {
 650                                 perror(outfile);
 651                                 goto end;
 652                                 }
 653                         }
 654                 }
 655
 656         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 657
 658         if (clrtrust) X509_trust_clear(x);
 659         if (clrreject) X509_reject_clear(x);
 660
 661         if (trust)
 662                 {
 663                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 664                         {
 665                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 666                         X509_add1_trust_object(x, objtmp);
 667                         }
 668                 }
 669
 670         if (reject)
 671                 {
 672                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 673                         {
 674                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 675                         X509_add1_reject_object(x, objtmp);
 676                         }
 677                 }
 678
 679         if (num)
 680                 {
 681                 for (i=1; i<=num; i++)
 682                         {
 683                         if (issuer == i)
 684                                 {
 685                                 print_name(STDout, "issuer= ",
 686                                         X509_get_issuer_name(x), nmflag);
 687                                 }
 688                         else if (subject == i)
 689                                 {
 690                                 print_name(STDout, "subject= ",
 691                                         X509_get_subject_name(x), nmflag);
 692                                 }
 693                         else if (serial == i)
 694                                 {
 695                                 BIO_printf(STDout,"serial=");
 696                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 697                                 BIO_printf(STDout,"\n");
 698                                 }
 699                         else if (email == i)
 700                                 {
 701                                 int j;
 702                                 STACK *emlst;
 703                                 emlst = X509_get1_email(x);
 704                                 for (j = 0; j < sk_num(emlst); j++)
 705                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 706                                 X509_email_free(emlst);
 707                                 }
 708                         else if (aliasout == i)
 709                                 {
 710                                 unsigned char *alstr;
 711                                 alstr = X509_alias_get0(x, NULL);
 712                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 713                                 else BIO_puts(STDout,"<No Alias>\n");
 714                                 }
 715                         else if (subject_hash == i)
 716                                 {
 717                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 718                                 }
 719                         else if (issuer_hash == i)
 720                                 {
 721                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
 722                                 }
 723                         else if (pprint == i)
 724                                 {
 725                                 X509_PURPOSE *ptmp;
 726                                 int j;
 727                                 BIO_printf(STDout, "Certificate purposes:\n");
 728                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 729                                         {
 730                                         ptmp = X509_PURPOSE_get0(j);
 731                                         purpose_print(STDout, x, ptmp);
 732                                         }
 733                                 }
 734                         else
 735                                 if (modulus == i)
 736                                 {
 737                                 EVP_PKEY *pkey;
 738
 739                                 pkey=X509_get_pubkey(x);
 740                                 if (pkey == NULL)
 741                                         {
 742                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 743                                         ERR_print_errors(bio_err);
 744                                         goto end;
 745                                         }
 746                                 BIO_printf(STDout,"Modulus=");
 747 #ifndef OPENSSL_NO_RSA
 748                                 if (pkey->type == EVP_PKEY_RSA)
 749                                         BN_print(STDout,pkey->pkey.rsa->n);
 750                                 else
 751 #endif
 752 #ifndef OPENSSL_NO_DSA
 753                                 if (pkey->type == EVP_PKEY_DSA)
 754                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 755                                 else
 756 #endif
 757                                         BIO_printf(STDout,"Wrong Algorithm type");
 758                                 BIO_printf(STDout,"\n");
 759                                 EVP_PKEY_free(pkey);
 760                                 }
 761                         else
 762                                 if (pubkey == i)
 763                                 {
 764                                 EVP_PKEY *pkey;
 765
 766                                 pkey=X509_get_pubkey(x);
 767                                 if (pkey == NULL)
 768                                         {
 769                                         BIO_printf(bio_err,"Error getting public key\n");
 770                                         ERR_print_errors(bio_err);
 771                                         goto end;
 772                                         }
 773                                 PEM_write_bio_PUBKEY(STDout, pkey);
 774                                 EVP_PKEY_free(pkey);
 775                                 }
 776                         else
 777                                 if (C == i)
 778                                 {
 779                                 unsigned char *d;
 780                                 char *m;
 781                                 int y,z;
 782
 783                                 X509_NAME_oneline(X509_get_subject_name(x),
 784                                         buf,sizeof buf);
 785                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 786                                 m=X509_NAME_oneline(
 787                                         X509_get_issuer_name(x),buf,
 788                                         sizeof buf);
 789                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 790
 791                                 z=i2d_X509(x,NULL);
 792                                 m=OPENSSL_malloc(z);
 793
 794                                 d=(unsigned char *)m;
 795                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 796                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 797                                 d=(unsigned char *)m;
 798                                 for (y=0; y<z; y++)
 799                                         {
 800                                         BIO_printf(STDout,"0x%02X,",d[y]);
 801                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 802                                         }
 803                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 804                                 BIO_printf(STDout,"};\n");
 805
 806                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 807                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 808                                 d=(unsigned char *)m;
 809                                 for (y=0; y<z; y++)
 810                                         {
 811                                         BIO_printf(STDout,"0x%02X,",d[y]);
 812                                         if ((y & 0x0f) == 0x0f)
 813                                                 BIO_printf(STDout,"\n");
 814                                         }
 815                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 816                                 BIO_printf(STDout,"};\n");
 817
 818                                 z=i2d_X509(x,&d);
 819                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 820                                 d=(unsigned char *)m;
 821                                 for (y=0; y<z; y++)
 822                                         {
 823                                         BIO_printf(STDout,"0x%02X,",d[y]);
 824                                         if ((y & 0x0f) == 0x0f)
 825                                                 BIO_printf(STDout,"\n");
 826                                         }
 827                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 828                                 BIO_printf(STDout,"};\n");
 829
 830                                 OPENSSL_free(m);
 831                                 }
 832                         else if (text == i)
 833                                 {
 834                                 X509_print_ex(out,x,nmflag, certflag);
 835                                 }
 836                         else if (startdate == i)
 837                                 {
 838                                 BIO_puts(STDout,"notBefore=");
 839                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 840                                 BIO_puts(STDout,"\n");
 841                                 }
 842                         else if (enddate == i)
 843                                 {
 844                                 BIO_puts(STDout,"notAfter=");
 845                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 846                                 BIO_puts(STDout,"\n");
 847                                 }
 848                         else if (fingerprint == i)
 849                                 {
 850                                 int j;
 851                                 unsigned int n;
 852                                 unsigned char md[EVP_MAX_MD_SIZE];
 853
 854                                 if (!X509_digest(x,digest,md,&n))
 855                                         {
 856                                         BIO_printf(bio_err,"out of memory\n");
 857                                         goto end;
 858                                         }
 859                                 BIO_printf(STDout,"%s Fingerprint=",
 860                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 861                                 for (j=0; j<(int)n; j++)
 862                                         {
 863                                         BIO_printf(STDout,"%02X%c",md[j],
 864                                                 (j+1 == (int)n)
 865                                                 ?'\n':':');
 866                                         }
 867                                 }
 868
 869                         /* should be in the library */
 870                         else if ((sign_flag == i) && (x509req == 0))
 871                                 {
 872                                 BIO_printf(bio_err,"Getting Private key\n");
 873                                 if (Upkey == NULL)
 874                                         {
 875                                         Upkey=load_key(bio_err,
 876                                                 keyfile, keyformat, 0,
 877                                                 passin, e, "Private key");
 878                                         if (Upkey == NULL) goto end;
 879                                         }
 880 #ifndef OPENSSL_NO_DSA
 881                                 if (Upkey->type == EVP_PKEY_DSA)
 882                                         digest=EVP_dss1();
 883 #endif
 884 #ifndef OPENSSL_NO_ECDSA
 885                                 if (Upkey->type == EVP_PKEY_EC)
 886                                         digest=EVP_ecdsa();
 887 #endif
 888
 889                                 assert(need_rand);
 890                                 if (!sign(x,Upkey,days,clrext,digest,
 891                                                  extconf, extsect)) goto end;
 892                                 }
 893                         else if (CA_flag == i)
 894                                 {
 895                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 896                                 if (CAkeyfile != NULL)
 897                                         {
 898                                         CApkey=load_key(bio_err,
 899                                                 CAkeyfile, CAkeyformat,
 900                                                 0, passin, e,
 901                                                 "CA Private Key");
 902                                         if (CApkey == NULL) goto end;
 903                                         }
 904 #ifndef OPENSSL_NO_DSA
 905                                 if (CApkey->type == EVP_PKEY_DSA)
 906                                         digest=EVP_dss1();
 907 #endif
 908 #ifndef OPENSSL_NO_ECDSA
 909                                 if (CApkey->type == EVP_PKEY_EC)
 910                                         digest = EVP_ecdsa();
 911 #endif
 912
 913                                 assert(need_rand);
 914                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 915                                         CApkey, CAserial,CA_createserial,days, clrext,
 916                                         extconf, extsect, sno))
 917                                         goto end;
 918                                 }
 919                         else if (x509req == i)
 920                                 {
 921                                 EVP_PKEY *pk;
 922
 923                                 BIO_printf(bio_err,"Getting request Private Key\n");
 924                                 if (keyfile == NULL)
 925                                         {
 926                                         BIO_printf(bio_err,"no request key file specified\n");
 927                                         goto end;
 928                                         }
 929                                 else
 930                                         {
 931                                         pk=load_key(bio_err,
 932                                                 keyfile, FORMAT_PEM, 0,
 933                                                 passin, e, "request key");
 934                                         if (pk == NULL) goto end;
 935                                         }
 936
 937                                 BIO_printf(bio_err,"Generating certificate request\n");
 938
 939 #ifndef OPENSSL_NO_DSA
 940                                 if (pk->type == EVP_PKEY_DSA)
 941                                         digest=EVP_dss1();
 942 #endif
 943 #ifndef OPENSSL_NO_ECDSA
 944                                 if (pk->type == EVP_PKEY_EC)
 945                                         digest=EVP_ecdsa();
 946 #endif
 947
 948                                 rq=X509_to_X509_REQ(x,pk,digest);
 949                                 EVP_PKEY_free(pk);
 950                                 if (rq == NULL)
 951                                         {
 952                                         ERR_print_errors(bio_err);
 953                                         goto end;
 954                                         }
 955                                 if (!noout)
 956                                         {
 957                                         X509_REQ_print(out,rq);
 958                                         PEM_write_bio_X509_REQ(out,rq);
 959                                         }
 960                                 noout=1;
 961                                 }
 962                         else if (ocspid == i)
 963                                 {
 964                                 X509_ocspid_print(out, x);
 965                                 }
 966                         }
 967                 }
 968
 969         if (checkend)
 970                 {
 971                 time_t tnow=time(NULL);
 972
 973                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
 974                         {
 975                         BIO_printf(out,"Certificate will expire\n");
 976                         ret=1;
 977                         }
 978                 else
 979                         {
 980                         BIO_printf(out,"Certificate will not expire\n");
 981                         ret=0;
 982                         }
 983                 goto end;
 984                 }
 985
 986         if (noout)
 987                 {
 988                 ret=0;
 989                 goto end;
 990                 }
 991
 992         if      (outformat == FORMAT_ASN1)
 993                 i=i2d_X509_bio(out,x);
 994         else if (outformat == FORMAT_PEM)
 995                 {
 996                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
 997                 else i=PEM_write_bio_X509(out,x);
 998                 }
 999         else if (outformat == FORMAT_NETSCAPE)
1000                 {
1001                 ASN1_HEADER ah;
1002                 ASN1_OCTET_STRING os;
1003
1004                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
1005                 os.length=strlen(NETSCAPE_CERT_HDR);
1006                 ah.header= &os;
1007                 ah.data=(char *)x;
1008                 ah.meth=X509_asn1_meth();
1009
1010                 /* no macro for this one yet */
1011                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1012                 }
1013         else    {
1014                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1015                 goto end;
1016                 }
1017         if (!i)
1018                 {
1019                 BIO_printf(bio_err,"unable to write certificate\n");
1020                 ERR_print_errors(bio_err);
1021                 goto end;
1022                 }
1023         ret=0;
1024 end:
1025         if (need_rand)
1026                 app_RAND_write_file(NULL, bio_err);
1027         OBJ_cleanup();
1028         NCONF_free(extconf);
1029         BIO_free_all(out);
1030         BIO_free_all(STDout);
1031         X509_STORE_free(ctx);
1032         X509_REQ_free(req);
1033         X509_free(x);
1034         X509_free(xca);
1035         EVP_PKEY_free(Upkey);
1036         EVP_PKEY_free(CApkey);
1037         X509_REQ_free(rq);
1038         ASN1_INTEGER_free(sno);
1039         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1040         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1041         if (passin) OPENSSL_free(passin);
1042         apps_shutdown();
1043         OPENSSL_EXIT(ret);
1044         }
1045
1046 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1047         {
1048         char *buf = NULL, *p;
1049         ASN1_INTEGER *bs = NULL;
1050         BIGNUM *serial = NULL;
1051         size_t len;
1052
1053         len = ((serialfile == NULL)
1054                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1055                 :(strlen(serialfile)))+1;
1056         buf=OPENSSL_malloc(len);
1057         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1058         if (serialfile == NULL)
1059                 {
1060                 BUF_strlcpy(buf,CAfile,len);
1061                 for (p=buf; *p; p++)
1062                         if (*p == '.')
1063                                 {
1064                                 *p='\0';
1065                                 break;
1066                                 }
1067                 BUF_strlcat(buf,POSTFIX,len);
1068                 }
1069         else
1070                 BUF_strlcpy(buf,serialfile,len);
1071
1072         serial = load_serial(buf, create, NULL);
1073         if (serial == NULL) goto end;
1074
1075         if (!BN_add_word(serial,1))
1076                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1077
1078         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1079
1080  end:
1081         if (buf) OPENSSL_free(buf);
1082         BN_free(serial);
1083         return bs;
1084         }
1085
1086 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1087              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1088              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1089         {
1090         int ret=0;
1091         ASN1_INTEGER *bs=NULL;
1092         X509_STORE_CTX xsc;
1093         EVP_PKEY *upkey;
1094
1095         upkey = X509_get_pubkey(xca);
1096         EVP_PKEY_copy_parameters(upkey,pkey);
1097         EVP_PKEY_free(upkey);
1098
1099         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1100                 {
1101                 BIO_printf(bio_err,"Error initialising X509 store\n");
1102                 goto end;
1103                 }
1104         if (sno) bs = sno;
1105         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1106                 goto end;
1107
1108 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1109
1110         /* NOTE: this certificate can/should be self signed, unless it was
1111          * a certificate request in which case it is not. */
1112         X509_STORE_CTX_set_cert(&xsc,x);
1113         if (!reqfile && !X509_verify_cert(&xsc))
1114                 goto end;
1115
1116         if (!X509_check_private_key(xca,pkey))
1117                 {
1118                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1119                 goto end;
1120                 }
1121
1122         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1123         if (!X509_set_serialNumber(x,bs)) goto end;
1124
1125         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1126                 goto end;
1127
1128         /* hardwired expired */
1129         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1130                 goto end;
1131
1132         if (clrext)
1133                 {
1134                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1135                 }
1136
1137         if (conf)
1138                 {
1139                 X509V3_CTX ctx2;
1140                 X509_set_version(x,2); /* version 3 certificate */
1141                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1142                 X509V3_set_nconf(&ctx2, conf);
1143                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1144                 }
1145
1146         if (!X509_sign(x,pkey,digest)) goto end;
1147         ret=1;
1148 end:
1149         X509_STORE_CTX_cleanup(&xsc);
1150         if (!ret)
1151                 ERR_print_errors(bio_err);
1152         if (!sno) ASN1_INTEGER_free(bs);
1153         return ret;
1154         }
1155
1156 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1157         {
1158         int err;
1159         X509 *err_cert;
1160
1161         /* it is ok to use a self signed certificate
1162          * This case will catch both the initial ok == 0 and the
1163          * final ok == 1 calls to this function */
1164         err=X509_STORE_CTX_get_error(ctx);
1165         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1166                 return 1;
1167
1168         /* BAD we should have gotten an error.  Normally if everything
1169          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1170          * DEPTH_ZERO_SELF_.... */
1171         if (ok)
1172                 {
1173                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1174                 return 0;
1175                 }
1176         else
1177                 {
1178                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1179                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1180                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1181                         err,X509_STORE_CTX_get_error_depth(ctx),
1182                         X509_verify_cert_error_string(err));
1183                 return 1;
1184                 }
1185         }
1186
1187 /* self sign */
1188 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1189                                                 CONF *conf, char *section)
1190         {
1191
1192         EVP_PKEY *pktmp;
1193
1194         pktmp = X509_get_pubkey(x);
1195         EVP_PKEY_copy_parameters(pktmp,pkey);
1196         EVP_PKEY_save_parameters(pktmp,1);
1197         EVP_PKEY_free(pktmp);
1198
1199         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1200         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1201
1202         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1203         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1204         /* 28 days to be certified */
1205
1206         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1207                 goto err;
1208
1209         if (!X509_set_pubkey(x,pkey)) goto err;
1210         if (clrext)
1211                 {
1212                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1213                 }
1214         if (conf)
1215                 {
1216                 X509V3_CTX ctx;
1217                 X509_set_version(x,2); /* version 3 certificate */
1218                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1219                 X509V3_set_nconf(&ctx, conf);
1220                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1221                 }
1222         if (!X509_sign(x,pkey,digest)) goto err;
1223         return 1;
1224 err:
1225         ERR_print_errors(bio_err);
1226         return 0;
1227         }
1228
1229 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1230 {
1231         int id, i, idret;
1232         char *pname;
1233         id = X509_PURPOSE_get_id(pt);
1234         pname = X509_PURPOSE_get0_name(pt);
1235         for (i = 0; i < 2; i++)
1236                 {
1237                 idret = X509_check_purpose(cert, id, i);
1238                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1239                 if (idret == 1) BIO_printf(bio, "Yes\n");
1240                 else if (idret == 0) BIO_printf(bio, "No\n");
1241                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1242                 }
1243         return 1;
1244 }