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 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 #define CERT_HDR        "certificate"
  85
  86 static char *x509_usage[]={
  87 "usage: x509 args\n",
  88 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  89 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  90 " -keyform arg    - private key format - default PEM\n",
  91 " -CAform arg     - CA format - default PEM\n",
  92 " -CAkeyform arg  - CA key format - default PEM\n",
  93 " -in arg         - input file - default stdin\n",
  94 " -out arg        - output file - default stdout\n",
  95 " -passin arg     - private key password\n",
  96 " -envpassin arg  - read private key password from environment variable \"arg\"\n",
  97 " -serial         - print serial number value\n",
  98 " -hash           - print hash value\n",
  99 " -subject        - print subject DN\n",
 100 " -issuer         - print issuer DN\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 " -trustout       - output a \"trusted\" certificate\n",
 111 " -clrtrust       - clear all trusted purposes\n",
 112 " -clrreject      - clear all rejected purposes\n",
 113 " -addtrust arg   - trust certificate for a given purpose\n",
 114 " -addreject arg  - reject certificate for a given purpose\n",
 115 " -setalias arg   - set certificate alias\n",
 116 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 117 " -signkey arg    - self sign cert with arg\n",
 118 " -x509toreq      - output a certification request object\n",
 119 " -req            - input is a certificate request, sign and output.\n",
 120 " -CA arg         - set the CA certificate, must be PEM format.\n",
 121 " -CAkey arg      - set the CA key, must be PEM format\n",
 122 "                   missing, it is assumed to be in the CA file.\n",
 123 " -CAcreateserial - create serial number file if it does not exist\n",
 124 " -CAserial       - serial file\n",
 125 " -text           - print the certificate in text form\n",
 126 " -C              - print out C code forms\n",
 127 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 128 " -extfile        - configuration file with X509V3 extensions to add\n",
 129 " -extensions     - section from config file with X509V3 extensions to add\n",
 130 NULL
 131 };
 132
 133 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 134 static EVP_PKEY *load_key(char *file, int format, char *passin);
 135 static X509 *load_cert(char *file, int format);
 136 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
 137                                                 LHASH *conf, char *section);
 138 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 139                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 140                          int create,int days, LHASH *conf, char *section);
 141 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 142 static int reqfile=0;
 143
 144 int MAIN(int, char **);
 145
 146 int MAIN(int argc, char **argv)
 147         {
 148         int ret=1;
 149         X509_REQ *req=NULL;
 150         X509 *x=NULL,*xca=NULL;
 151         ASN1_OBJECT *objtmp;
 152         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 153         int i,num,badops=0;
 154         BIO *out=NULL;
 155         BIO *STDout=NULL;
 156         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 157         int informat,outformat,keyformat,CAformat,CAkeyformat;
 158         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 159         char *CAkeyfile=NULL,*CAserial=NULL;
 160         char *alias=NULL;
 161         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 162         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 163         int trustout=0,clrtrust=0,clrreject=0,aliasout=0;
 164         int C=0;
 165         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 166         int pprint = 0;
 167         char **pp;
 168         X509_STORE *ctx=NULL;
 169         X509_REQ *rq=NULL;
 170         int fingerprint=0;
 171         char buf[256];
 172         const EVP_MD *md_alg,*digest=EVP_md5();
 173         LHASH *extconf = NULL;
 174         char *extsect = NULL, *extfile = NULL, *passin = NULL;
 175         int need_rand = 0;
 176
 177         reqfile=0;
 178
 179         apps_startup();
 180
 181         if (bio_err == NULL)
 182                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 183         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 184
 185         informat=FORMAT_PEM;
 186         outformat=FORMAT_PEM;
 187         keyformat=FORMAT_PEM;
 188         CAformat=FORMAT_PEM;
 189         CAkeyformat=FORMAT_PEM;
 190
 191         ctx=X509_STORE_new();
 192         if (ctx == NULL) goto end;
 193         X509_STORE_set_verify_cb_func(ctx,callb);
 194
 195         argc--;
 196         argv++;
 197         num=0;
 198         while (argc >= 1)
 199                 {
 200                 if      (strcmp(*argv,"-inform") == 0)
 201                         {
 202                         if (--argc < 1) goto bad;
 203                         informat=str2fmt(*(++argv));
 204                         }
 205                 else if (strcmp(*argv,"-outform") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         outformat=str2fmt(*(++argv));
 209                         }
 210                 else if (strcmp(*argv,"-keyform") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         keyformat=str2fmt(*(++argv));
 214                         }
 215                 else if (strcmp(*argv,"-req") == 0)
 216                         {
 217                         reqfile=1;
 218                         need_rand = 1;
 219                         }
 220                 else if (strcmp(*argv,"-CAform") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         CAformat=str2fmt(*(++argv));
 224                         }
 225                 else if (strcmp(*argv,"-CAkeyform") == 0)
 226                         {
 227                         if (--argc < 1) goto bad;
 228                         CAformat=str2fmt(*(++argv));
 229                         }
 230                 else if (strcmp(*argv,"-days") == 0)
 231                         {
 232                         if (--argc < 1) goto bad;
 233                         days=atoi(*(++argv));
 234                         if (days == 0)
 235                                 {
 236                                 BIO_printf(STDout,"bad number of days\n");
 237                                 goto bad;
 238                                 }
 239                         }
 240                 else if (strcmp(*argv,"-passin") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         passin= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-envpassin") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                                 if(!(passin= getenv(*(++argv))))
 249                                 {
 250                                 BIO_printf(bio_err,
 251                                  "Can't read environment variable %s\n",
 252                                                                 *argv);
 253                                 badops = 1;
 254                                 }
 255                         }
 256                 else if (strcmp(*argv,"-extfile") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         extfile= *(++argv);
 260                         }
 261                 else if (strcmp(*argv,"-extensions") == 0)
 262                         {
 263                         if (--argc < 1) goto bad;
 264                         extsect= *(++argv);
 265                         }
 266                 else if (strcmp(*argv,"-in") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         infile= *(++argv);
 270                         }
 271                 else if (strcmp(*argv,"-out") == 0)
 272                         {
 273                         if (--argc < 1) goto bad;
 274                         outfile= *(++argv);
 275                         }
 276                 else if (strcmp(*argv,"-signkey") == 0)
 277                         {
 278                         if (--argc < 1) goto bad;
 279                         keyfile= *(++argv);
 280                         sign_flag= ++num;
 281                         need_rand = 1;
 282                         }
 283                 else if (strcmp(*argv,"-CA") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         CAfile= *(++argv);
 287                         CA_flag= ++num;
 288                         need_rand = 1;
 289                         }
 290                 else if (strcmp(*argv,"-CAkey") == 0)
 291                         {
 292                         if (--argc < 1) goto bad;
 293                         CAkeyfile= *(++argv);
 294                         }
 295                 else if (strcmp(*argv,"-CAserial") == 0)
 296                         {
 297                         if (--argc < 1) goto bad;
 298                         CAserial= *(++argv);
 299                         }
 300                 else if (strcmp(*argv,"-addtrust") == 0)
 301                         {
 302                         if (--argc < 1) goto bad;
 303                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 304                                 BIO_printf(bio_err,
 305                                         "Invalid trust object value %s\n", *argv);
 306                                 goto bad;
 307                         }
 308                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
 309                         sk_ASN1_OBJECT_push(trust, objtmp);
 310                         trustout = 1;
 311                         }
 312                 else if (strcmp(*argv,"-addreject") == 0)
 313                         {
 314                         if (--argc < 1) goto bad;
 315                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 316                                 BIO_printf(bio_err,
 317                                         "Invalid reject object value %s\n", *argv);
 318                                 goto bad;
 319                         }
 320                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
 321                         sk_ASN1_OBJECT_push(reject, objtmp);
 322                         trustout = 1;
 323                         }
 324                 else if (strcmp(*argv,"-setalias") == 0)
 325                         {
 326                         if (--argc < 1) goto bad;
 327                         alias= *(++argv);
 328                         trustout = 1;
 329                         }
 330                 else if (strcmp(*argv,"-setalias") == 0)
 331                         {
 332                         if (--argc < 1) goto bad;
 333                         alias= *(++argv);
 334                         trustout = 1;
 335                         }
 336                 else if (strcmp(*argv,"-C") == 0)
 337                         C= ++num;
 338                 else if (strcmp(*argv,"-serial") == 0)
 339                         serial= ++num;
 340                 else if (strcmp(*argv,"-modulus") == 0)
 341                         modulus= ++num;
 342                 else if (strcmp(*argv,"-pubkey") == 0)
 343                         pubkey= ++num;
 344                 else if (strcmp(*argv,"-x509toreq") == 0)
 345                         x509req= ++num;
 346                 else if (strcmp(*argv,"-text") == 0)
 347                         text= ++num;
 348                 else if (strcmp(*argv,"-hash") == 0)
 349                         hash= ++num;
 350                 else if (strcmp(*argv,"-subject") == 0)
 351                         subject= ++num;
 352                 else if (strcmp(*argv,"-issuer") == 0)
 353                         issuer= ++num;
 354                 else if (strcmp(*argv,"-fingerprint") == 0)
 355                         fingerprint= ++num;
 356                 else if (strcmp(*argv,"-dates") == 0)
 357                         {
 358                         startdate= ++num;
 359                         enddate= ++num;
 360                         }
 361                 else if (strcmp(*argv,"-purpose") == 0)
 362                         pprint= ++num;
 363                 else if (strcmp(*argv,"-startdate") == 0)
 364                         startdate= ++num;
 365                 else if (strcmp(*argv,"-enddate") == 0)
 366                         enddate= ++num;
 367                 else if (strcmp(*argv,"-noout") == 0)
 368                         noout= ++num;
 369                 else if (strcmp(*argv,"-trustout") == 0)
 370                         trustout= 1;
 371                 else if (strcmp(*argv,"-clrtrust") == 0)
 372                         clrtrust= ++num;
 373                 else if (strcmp(*argv,"-clrreject") == 0)
 374                         clrreject= ++num;
 375                 else if (strcmp(*argv,"-alias") == 0)
 376                         aliasout= ++num;
 377                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 378                         CA_createserial= ++num;
 379                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 380                         {
 381                         /* ok */
 382                         digest=md_alg;
 383                         }
 384                 else
 385                         {
 386                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 387                         badops=1;
 388                         break;
 389                         }
 390                 argc--;
 391                 argv++;
 392                 }
 393
 394         if (badops)
 395                 {
 396 bad:
 397                 for (pp=x509_usage; (*pp != NULL); pp++)
 398                         BIO_printf(bio_err,*pp);
 399                 goto end;
 400                 }
 401
 402         if (need_rand)
 403                 app_RAND_load_file(NULL, bio_err, 0);
 404
 405         ERR_load_crypto_strings();
 406
 407         if (!X509_STORE_set_default_paths(ctx))
 408                 {
 409                 ERR_print_errors(bio_err);
 410                 goto end;
 411                 }
 412
 413         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 414                 { CAkeyfile=CAfile; }
 415         else if ((CA_flag) && (CAkeyfile == NULL))
 416                 {
 417                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 418                 goto end;
 419                 }
 420
 421         if (extfile) {
 422                 long errorline;
 423                 X509V3_CTX ctx2;
 424                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 425                         if (errorline <= 0)
 426                                 BIO_printf(bio_err,
 427                                         "error loading the config file '%s'\n",
 428                                                                 extfile);
 429                         else
 430                                 BIO_printf(bio_err,
 431                                        "error on line %ld of config file '%s'\n"
 432                                                         ,errorline,extfile);
 433                         goto end;
 434                 }
 435                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 436                                          "extensions"))) extsect = "default";
 437                 X509V3_set_ctx_test(&ctx2);
 438                 X509V3_set_conf_lhash(&ctx2, extconf);
 439                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 440                         BIO_printf(bio_err,
 441                                 "Error Loading extension section %s\n",
 442                                                                  extsect);
 443                         ERR_print_errors(bio_err);
 444                         goto end;
 445                 }
 446         }
 447
 448
 449         if (reqfile)
 450                 {
 451                 EVP_PKEY *pkey;
 452                 X509_CINF *ci;
 453                 BIO *in;
 454
 455                 if (!sign_flag && !CA_flag)
 456                         {
 457                         BIO_printf(bio_err,"We need a private key to sign with\n");
 458                         goto end;
 459                         }
 460                 in=BIO_new(BIO_s_file());
 461                 if (in == NULL)
 462                         {
 463                         ERR_print_errors(bio_err);
 464                         goto end;
 465                         }
 466
 467                 if (infile == NULL)
 468                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 469                 else
 470                         {
 471                         if (BIO_read_filename(in,infile) <= 0)
 472                                 {
 473                                 perror(infile);
 474                                 goto end;
 475                                 }
 476                         }
 477                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 478                 BIO_free(in);
 479
 480                 if (req == NULL) { perror(infile); goto end; }
 481
 482                 if (    (req->req_info == NULL) ||
 483                         (req->req_info->pubkey == NULL) ||
 484                         (req->req_info->pubkey->public_key == NULL) ||
 485                         (req->req_info->pubkey->public_key->data == NULL))
 486                         {
 487                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 488                         BIO_printf(bio_err,"It does not contain a public key\n");
 489                         goto end;
 490                         }
 491                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 492                         {
 493                         BIO_printf(bio_err,"error unpacking public key\n");
 494                         goto end;
 495                         }
 496                 i=X509_REQ_verify(req,pkey);
 497                 EVP_PKEY_free(pkey);
 498                 if (i < 0)
 499                         {
 500                         BIO_printf(bio_err,"Signature verification error\n");
 501                         ERR_print_errors(bio_err);
 502                         goto end;
 503                         }
 504                 if (i == 0)
 505                         {
 506                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 507                         goto end;
 508                         }
 509                 else
 510                         BIO_printf(bio_err,"Signature ok\n");
 511
 512                 X509_NAME_oneline(req->req_info->subject,buf,256);
 513                 BIO_printf(bio_err,"subject=%s\n",buf);
 514
 515                 if ((x=X509_new()) == NULL) goto end;
 516                 ci=x->cert_info;
 517
 518                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 519                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 520                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 521
 522                 X509_gmtime_adj(X509_get_notBefore(x),0);
 523                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 524
 525                 pkey = X509_REQ_get_pubkey(req);
 526                 X509_set_pubkey(x,pkey);
 527                 EVP_PKEY_free(pkey);
 528                 }
 529         else
 530                 x=load_cert(infile,informat);
 531
 532         if (x == NULL) goto end;
 533         if (CA_flag)
 534                 {
 535                 xca=load_cert(CAfile,CAformat);
 536                 if (xca == NULL) goto end;
 537                 }
 538
 539         if (!noout || text)
 540                 {
 541                 OBJ_create("2.99999.3",
 542                         "SET.ex3","SET x509v3 extension 3");
 543
 544                 out=BIO_new(BIO_s_file());
 545                 if (out == NULL)
 546                         {
 547                         ERR_print_errors(bio_err);
 548                         goto end;
 549                         }
 550                 if (outfile == NULL)
 551                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 552                 else
 553                         {
 554                         if (BIO_write_filename(out,outfile) <= 0)
 555                                 {
 556                                 perror(outfile);
 557                                 goto end;
 558                                 }
 559                         }
 560                 }
 561
 562         if(alias) X509_alias_rset(x, (unsigned char *)alias, -1);
 563
 564         if(clrtrust) X509_trust_clear(x);
 565         if(clrreject) X509_reject_clear(x);
 566
 567         if(trust) {
 568                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
 569                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 570                         X509_radd_trust_object(x, objtmp);
 571                 }
 572         }
 573
 574         if(reject) {
 575                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
 576                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 577                         X509_radd_reject_object(x, objtmp);
 578                 }
 579         }
 580
 581         if (num)
 582                 {
 583                 for (i=1; i<=num; i++)
 584                         {
 585                         if (issuer == i)
 586                                 {
 587                                 X509_NAME_oneline(X509_get_issuer_name(x),
 588                                         buf,256);
 589                                 BIO_printf(STDout,"issuer= %s\n",buf);
 590                                 }
 591                         else if (subject == i)
 592                                 {
 593                                 X509_NAME_oneline(X509_get_subject_name(x),
 594                                         buf,256);
 595                                 BIO_printf(STDout,"subject=%s\n",buf);
 596                                 }
 597                         else if (serial == i)
 598                                 {
 599                                 BIO_printf(STDout,"serial=");
 600                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 601                                 BIO_printf(STDout,"\n");
 602                                 }
 603                         else if (aliasout == i)
 604                                 {
 605                                 unsigned char *alstr;
 606                                 alstr = X509_alias_iget(x, NULL);
 607                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
 608                                 else BIO_puts(STDout,"<No Alias>\n");
 609                                 }
 610                         else if (hash == i)
 611                                 {
 612                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 613                                 }
 614                         else if (pprint == i)
 615                                 {
 616                                 X509_PURPOSE *ptmp;
 617                                 int j;
 618                                 BIO_printf(STDout, "Certificate purposes:\n");
 619                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
 620                                         {
 621                                         ptmp = X509_PURPOSE_iget(j);
 622                                         purpose_print(STDout, x, ptmp);
 623                                         }
 624                                 }
 625                         else
 626                                 if (modulus == i)
 627                                 {
 628                                 EVP_PKEY *pkey;
 629
 630                                 pkey=X509_get_pubkey(x);
 631                                 if (pkey == NULL)
 632                                         {
 633                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 634                                         ERR_print_errors(bio_err);
 635                                         goto end;
 636                                         }
 637                                 BIO_printf(STDout,"Modulus=");
 638 #ifndef NO_RSA
 639                                 if (pkey->type == EVP_PKEY_RSA)
 640                                         BN_print(STDout,pkey->pkey.rsa->n);
 641                                 else
 642 #endif
 643 #ifndef NO_DSA
 644                                 if (pkey->type == EVP_PKEY_DSA)
 645                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 646                                 else
 647 #endif
 648                                         BIO_printf(STDout,"Wrong Algorithm type");
 649                                 BIO_printf(STDout,"\n");
 650                                 EVP_PKEY_free(pkey);
 651                                 }
 652                         else
 653                                 if (pubkey == i)
 654                                 {
 655                                 EVP_PKEY *pkey;
 656
 657                                 pkey=X509_get_pubkey(x);
 658                                 if (pkey == NULL)
 659                                         {
 660                                         BIO_printf(bio_err,"Error getting public key\n");
 661                                         ERR_print_errors(bio_err);
 662                                         goto end;
 663                                         }
 664                                 PEM_write_bio_PUBKEY(STDout, pkey);
 665                                 EVP_PKEY_free(pkey);
 666                                 }
 667                         else
 668                                 if (C == i)
 669                                 {
 670                                 unsigned char *d;
 671                                 char *m;
 672                                 int y,z;
 673
 674                                 X509_NAME_oneline(X509_get_subject_name(x),
 675                                         buf,256);
 676                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 677                                 m=X509_NAME_oneline(
 678                                         X509_get_issuer_name(x),buf,256);
 679                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 680
 681                                 z=i2d_X509(x,NULL);
 682                                 m=Malloc(z);
 683
 684                                 d=(unsigned char *)m;
 685                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 686                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 687                                 d=(unsigned char *)m;
 688                                 for (y=0; y<z; y++)
 689                                         {
 690                                         BIO_printf(STDout,"0x%02X,",d[y]);
 691                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 692                                         }
 693                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 694                                 BIO_printf(STDout,"};\n");
 695
 696                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 697                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 698                                 d=(unsigned char *)m;
 699                                 for (y=0; y<z; y++)
 700                                         {
 701                                         BIO_printf(STDout,"0x%02X,",d[y]);
 702                                         if ((y & 0x0f) == 0x0f)
 703                                                 BIO_printf(STDout,"\n");
 704                                         }
 705                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 706                                 BIO_printf(STDout,"};\n");
 707
 708                                 z=i2d_X509(x,&d);
 709                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 710                                 d=(unsigned char *)m;
 711                                 for (y=0; y<z; y++)
 712                                         {
 713                                         BIO_printf(STDout,"0x%02X,",d[y]);
 714                                         if ((y & 0x0f) == 0x0f)
 715                                                 BIO_printf(STDout,"\n");
 716                                         }
 717                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 718                                 BIO_printf(STDout,"};\n");
 719
 720                                 Free(m);
 721                                 }
 722                         else if (text == i)
 723                                 {
 724                                 X509_print(out,x);
 725                                 }
 726                         else if (startdate == i)
 727                                 {
 728                                 BIO_puts(STDout,"notBefore=");
 729                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 730                                 BIO_puts(STDout,"\n");
 731                                 }
 732                         else if (enddate == i)
 733                                 {
 734                                 BIO_puts(STDout,"notAfter=");
 735                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 736                                 BIO_puts(STDout,"\n");
 737                                 }
 738                         else if (fingerprint == i)
 739                                 {
 740                                 int j;
 741                                 unsigned int n;
 742                                 unsigned char md[EVP_MAX_MD_SIZE];
 743
 744                                 if (!X509_digest(x,digest,md,&n))
 745                                         {
 746                                         BIO_printf(bio_err,"out of memory\n");
 747                                         goto end;
 748                                         }
 749                                 BIO_printf(STDout,"%s Fingerprint=",
 750                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 751                                 for (j=0; j<(int)n; j++)
 752                                         {
 753                                         BIO_printf(STDout,"%02X%c",md[j],
 754                                                 (j+1 == (int)n)
 755                                                 ?'\n':':');
 756                                         }
 757                                 }
 758
 759                         /* should be in the library */
 760                         else if ((sign_flag == i) && (x509req == 0))
 761                                 {
 762                                 BIO_printf(bio_err,"Getting Private key\n");
 763                                 if (Upkey == NULL)
 764                                         {
 765                                         Upkey=load_key(keyfile,keyformat, passin);
 766                                         if (Upkey == NULL) goto end;
 767                                         }
 768 #ifndef NO_DSA
 769                                 if (Upkey->type == EVP_PKEY_DSA)
 770                                         digest=EVP_dss1();
 771 #endif
 772
 773                                 assert(need_rand);
 774                                 if (!sign(x,Upkey,days,digest,
 775                                                  extconf, extsect)) goto end;
 776                                 }
 777                         else if (CA_flag == i)
 778                                 {
 779                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 780                                 if (CAkeyfile != NULL)
 781                                         {
 782                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
 783                                         if (CApkey == NULL) goto end;
 784                                         }
 785 #ifndef NO_DSA
 786                                 if (CApkey->type == EVP_PKEY_DSA)
 787                                         digest=EVP_dss1();
 788 #endif
 789
 790                                 assert(need_rand);
 791                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 792                                         CApkey, CAserial,CA_createserial,days,
 793                                         extconf, extsect))
 794                                         goto end;
 795                                 }
 796                         else if (x509req == i)
 797                                 {
 798                                 EVP_PKEY *pk;
 799
 800                                 BIO_printf(bio_err,"Getting request Private Key\n");
 801                                 if (keyfile == NULL)
 802                                         {
 803                                         BIO_printf(bio_err,"no request key file specified\n");
 804                                         goto end;
 805                                         }
 806                                 else
 807                                         {
 808                                         pk=load_key(keyfile,FORMAT_PEM, passin);
 809                                         if (pk == NULL) goto end;
 810                                         }
 811
 812                                 BIO_printf(bio_err,"Generating certificate request\n");
 813
 814                                 if (pk->type == EVP_PKEY_DSA)
 815                                         digest=EVP_dss1();
 816
 817                                 rq=X509_to_X509_REQ(x,pk,digest);
 818                                 EVP_PKEY_free(pk);
 819                                 if (rq == NULL)
 820                                         {
 821                                         ERR_print_errors(bio_err);
 822                                         goto end;
 823                                         }
 824                                 if (!noout)
 825                                         {
 826                                         X509_REQ_print(out,rq);
 827                                         PEM_write_bio_X509_REQ(out,rq);
 828                                         }
 829                                 noout=1;
 830                                 }
 831                         }
 832                 }
 833
 834         if (noout)
 835                 {
 836                 ret=0;
 837                 goto end;
 838                 }
 839
 840         if      (outformat == FORMAT_ASN1)
 841                 i=i2d_X509_bio(out,x);
 842         else if (outformat == FORMAT_PEM) {
 843                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
 844                 else i=PEM_write_bio_X509(out,x);
 845         } else if (outformat == FORMAT_NETSCAPE)
 846                 {
 847                 ASN1_HEADER ah;
 848                 ASN1_OCTET_STRING os;
 849
 850                 os.data=(unsigned char *)CERT_HDR;
 851                 os.length=strlen(CERT_HDR);
 852                 ah.header= &os;
 853                 ah.data=(char *)x;
 854                 ah.meth=X509_asn1_meth();
 855
 856                 /* no macro for this one yet */
 857                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 858                 }
 859         else    {
 860                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 861                 goto end;
 862                 }
 863         if (!i) {
 864                 BIO_printf(bio_err,"unable to write certificate\n");
 865                 ERR_print_errors(bio_err);
 866                 goto end;
 867                 }
 868         ret=0;
 869 end:
 870         if (need_rand)
 871                 app_RAND_write_file(NULL, bio_err);
 872         OBJ_cleanup();
 873         CONF_free(extconf);
 874         BIO_free(out);
 875         BIO_free(STDout);
 876         X509_STORE_free(ctx);
 877         X509_REQ_free(req);
 878         X509_free(x);
 879         X509_free(xca);
 880         EVP_PKEY_free(Upkey);
 881         EVP_PKEY_free(CApkey);
 882         X509_REQ_free(rq);
 883         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 884         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 885         EXIT(ret);
 886         }
 887
 888 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 889              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 890              int days, LHASH *conf, char *section)
 891         {
 892         int ret=0;
 893         BIO *io=NULL;
 894         MS_STATIC char buf2[1024];
 895         char *buf=NULL,*p;
 896         BIGNUM *serial=NULL;
 897         ASN1_INTEGER *bs=NULL,bs2;
 898         X509_STORE_CTX xsc;
 899         EVP_PKEY *upkey;
 900
 901         upkey = X509_get_pubkey(xca);
 902         EVP_PKEY_copy_parameters(upkey,pkey);
 903         EVP_PKEY_free(upkey);
 904
 905         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 906         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 907                 ((serialfile == NULL)
 908                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 909                         :(strlen(serialfile)))+1);
 910         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 911         if (serialfile == NULL)
 912                 {
 913                 strcpy(buf,CAfile);
 914                 for (p=buf; *p; p++)
 915                         if (*p == '.')
 916                                 {
 917                                 *p='\0';
 918                                 break;
 919                                 }
 920                 strcat(buf,POSTFIX);
 921                 }
 922         else
 923                 strcpy(buf,serialfile);
 924         serial=BN_new();
 925         bs=ASN1_INTEGER_new();
 926         if ((serial == NULL) || (bs == NULL))
 927                 {
 928                 ERR_print_errors(bio_err);
 929                 goto end;
 930                 }
 931
 932         io=BIO_new(BIO_s_file());
 933         if (io == NULL)
 934                 {
 935                 ERR_print_errors(bio_err);
 936                 goto end;
 937                 }
 938
 939         if (BIO_read_filename(io,buf) <= 0)
 940                 {
 941                 if (!create)
 942                         {
 943                         perror(buf);
 944                         goto end;
 945                         }
 946                 else
 947                         {
 948                         ASN1_INTEGER_set(bs,1);
 949                         BN_one(serial);
 950                         }
 951                 }
 952         else
 953                 {
 954                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 955                         {
 956                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 957                         ERR_print_errors(bio_err);
 958                         goto end;
 959                         }
 960                 else
 961                         {
 962                         serial=BN_bin2bn(bs->data,bs->length,serial);
 963                         if (serial == NULL)
 964                                 {
 965                                 BIO_printf(bio_err,"error converting bin 2 bn");
 966                                 goto end;
 967                                 }
 968                         }
 969                 }
 970
 971         if (!BN_add_word(serial,1))
 972                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 973         bs2.data=(unsigned char *)buf2;
 974         bs2.length=BN_bn2bin(serial,bs2.data);
 975
 976         if (BIO_write_filename(io,buf) <= 0)
 977                 {
 978                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 979                 perror(buf);
 980                 goto end;
 981                 }
 982         i2a_ASN1_INTEGER(io,&bs2);
 983         BIO_puts(io,"\n");
 984         BIO_free(io);
 985         io=NULL;
 986
 987         if (!X509_STORE_add_cert(ctx,x)) goto end;
 988
 989         /* NOTE: this certificate can/should be self signed, unless it was
 990          * a certificate request in which case it is not. */
 991         X509_STORE_CTX_set_cert(&xsc,x);
 992         if (!reqfile && !X509_verify_cert(&xsc))
 993                 goto end;
 994
 995         if (!X509_check_private_key(xca,pkey))
 996                 {
 997                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 998                 goto end;
 999                 }
1000
1001         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1002         if (!X509_set_serialNumber(x,bs)) goto end;
1003
1004         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1005                 goto end;
1006
1007         /* hardwired expired */
1008         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1009                 goto end;
1010
1011         if(conf) {
1012                 X509V3_CTX ctx2;
1013                 X509_set_version(x,2); /* version 3 certificate */
1014                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1015                 X509V3_set_conf_lhash(&ctx2, conf);
1016                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1017         }
1018
1019         if (!X509_sign(x,pkey,digest)) goto end;
1020         ret=1;
1021 end:
1022         X509_STORE_CTX_cleanup(&xsc);
1023         if (!ret)
1024                 ERR_print_errors(bio_err);
1025         if (buf != NULL) Free(buf);
1026         if (bs != NULL) ASN1_INTEGER_free(bs);
1027         if (io != NULL) BIO_free(io);
1028         if (serial != NULL) BN_free(serial);
1029         return(ret);
1030         }
1031
1032 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1033         {
1034         char buf[256];
1035         int err;
1036         X509 *err_cert;
1037
1038         /* it is ok to use a self signed certificate
1039          * This case will catch both the initial ok == 0 and the
1040          * final ok == 1 calls to this function */
1041         err=X509_STORE_CTX_get_error(ctx);
1042         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1043                 return(1);
1044
1045         /* BAD we should have gotten an error.  Normally if everything
1046          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1047          * DEPTH_ZERO_SELF_.... */
1048         if (ok)
1049                 {
1050                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1051                 return(0);
1052                 }
1053         else
1054                 {
1055                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1056                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1057                 BIO_printf(bio_err,"%s\n",buf);
1058                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1059                         err,X509_STORE_CTX_get_error_depth(ctx),
1060                         X509_verify_cert_error_string(err));
1061                 return(1);
1062                 }
1063         }
1064
1065 static EVP_PKEY *load_key(char *file, int format, char *passin)
1066         {
1067         BIO *key=NULL;
1068         EVP_PKEY *pkey=NULL;
1069
1070         if (file == NULL)
1071                 {
1072                 BIO_printf(bio_err,"no keyfile specified\n");
1073                 goto end;
1074                 }
1075         key=BIO_new(BIO_s_file());
1076         if (key == NULL)
1077                 {
1078                 ERR_print_errors(bio_err);
1079                 goto end;
1080                 }
1081         if (BIO_read_filename(key,file) <= 0)
1082                 {
1083                 perror(file);
1084                 goto end;
1085                 }
1086 #ifndef NO_RSA
1087         if      (format == FORMAT_ASN1)
1088                 {
1089                 RSA *rsa;
1090
1091                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1092                 if (rsa != NULL)
1093                         {
1094                         if ((pkey=EVP_PKEY_new()) != NULL)
1095                                 EVP_PKEY_assign_RSA(pkey,rsa);
1096                         else
1097                                 RSA_free(rsa);
1098                         }
1099                 }
1100         else
1101 #endif
1102                 if (format == FORMAT_PEM)
1103                 {
1104                 pkey=PEM_read_bio_PrivateKey(key,NULL,PEM_cb,passin);
1105                 }
1106         else
1107                 {
1108                 BIO_printf(bio_err,"bad input format specified for key\n");
1109                 goto end;
1110                 }
1111 end:
1112         if (key != NULL) BIO_free(key);
1113         if (pkey == NULL)
1114                 BIO_printf(bio_err,"unable to load Private Key\n");
1115         return(pkey);
1116         }
1117
1118 static X509 *load_cert(char *file, int format)
1119         {
1120         ASN1_HEADER *ah=NULL;
1121         BUF_MEM *buf=NULL;
1122         X509 *x=NULL;
1123         BIO *cert;
1124
1125         if ((cert=BIO_new(BIO_s_file())) == NULL)
1126                 {
1127                 ERR_print_errors(bio_err);
1128                 goto end;
1129                 }
1130
1131         if (file == NULL)
1132                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1133         else
1134                 {
1135                 if (BIO_read_filename(cert,file) <= 0)
1136                         {
1137                         perror(file);
1138                         goto end;
1139                         }
1140                 }
1141         if      (format == FORMAT_ASN1)
1142                 x=d2i_X509_bio(cert,NULL);
1143         else if (format == FORMAT_NETSCAPE)
1144                 {
1145                 unsigned char *p,*op;
1146                 int size=0,i;
1147
1148                 /* We sort of have to do it this way because it is sort of nice
1149                  * to read the header first and check it, then
1150                  * try to read the certificate */
1151                 buf=BUF_MEM_new();
1152                 for (;;)
1153                         {
1154                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1155                                 goto end;
1156                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1157                         size+=i;
1158                         if (i == 0) break;
1159                         if (i < 0)
1160                                 {
1161                                 perror("reading certificate");
1162                                 goto end;
1163                                 }
1164                         }
1165                 p=(unsigned char *)buf->data;
1166                 op=p;
1167
1168                 /* First load the header */
1169                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1170                         goto end;
1171                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1172                         (strncmp(CERT_HDR,(char *)ah->header->data,
1173                         ah->header->length) != 0))
1174                         {
1175                         BIO_printf(bio_err,"Error reading header on certificate\n");
1176                         goto end;
1177                         }
1178                 /* header is ok, so now read the object */
1179                 p=op;
1180                 ah->meth=X509_asn1_meth();
1181                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1182                         goto end;
1183                 x=(X509 *)ah->data;
1184                 ah->data=NULL;
1185                 }
1186         else if (format == FORMAT_PEM)
1187                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1188         else    {
1189                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1190                 goto end;
1191                 }
1192 end:
1193         if (x == NULL)
1194                 {
1195                 BIO_printf(bio_err,"unable to load certificate\n");
1196                 ERR_print_errors(bio_err);
1197                 }
1198         if (ah != NULL) ASN1_HEADER_free(ah);
1199         if (cert != NULL) BIO_free(cert);
1200         if (buf != NULL) BUF_MEM_free(buf);
1201         return(x);
1202         }
1203
1204 /* self sign */
1205 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1206                                                 LHASH *conf, char *section)
1207         {
1208
1209         EVP_PKEY *pktmp;
1210
1211         pktmp = X509_get_pubkey(x);
1212         EVP_PKEY_copy_parameters(pktmp,pkey);
1213         EVP_PKEY_save_parameters(pktmp,1);
1214         EVP_PKEY_free(pktmp);
1215
1216         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1217         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1218
1219         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1220         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1221         /* 28 days to be certified */
1222
1223         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1224                 goto err;
1225
1226         if (!X509_set_pubkey(x,pkey)) goto err;
1227         if(conf) {
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_conf_lhash(&ctx, conf);
1232                 if(!X509V3_EXT_add_conf(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_iget_name(pt);
1247         for(i = 0; i < 2; i++) {
1248                 idret = X509_check_purpose(cert, id, i);
1249                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1250                 if(idret == 1) BIO_printf(bio, "Yes\n");
1251                 else if (idret == 0) BIO_printf(bio, "No\n");
1252                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1253         }
1254         return 1;
1255 }
1256
1257
1258