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 encvironment 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 asssumed 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 argc, char **argv)
 145         {
 146         int ret=1;
 147         X509_REQ *req=NULL;
 148         X509 *x=NULL,*xca=NULL;
 149         ASN1_OBJECT *objtmp;
 150         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 151         int i,num,badops=0;
 152         BIO *out=NULL;
 153         BIO *STDout=NULL;
 154         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 155         int informat,outformat,keyformat,CAformat,CAkeyformat;
 156         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 157         char *CAkeyfile=NULL,*CAserial=NULL;
 158         char *alias=NULL;
 159         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 160         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 161         int trustout=0,clrtrust=0,clrreject=0,aliasout=0;
 162         int C=0;
 163         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 164         int pprint = 0;
 165         char **pp;
 166         X509_STORE *ctx=NULL;
 167         X509_REQ *rq=NULL;
 168         int fingerprint=0;
 169         char buf[256];
 170         const EVP_MD *md_alg,*digest=EVP_md5();
 171         LHASH *extconf = NULL;
 172         char *extsect = NULL, *extfile = NULL, *passin = NULL;
 173         int need_rand = 0;
 174
 175         reqfile=0;
 176
 177         apps_startup();
 178
 179         if (bio_err == NULL)
 180                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 181         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 182
 183         informat=FORMAT_PEM;
 184         outformat=FORMAT_PEM;
 185         keyformat=FORMAT_PEM;
 186         CAformat=FORMAT_PEM;
 187         CAkeyformat=FORMAT_PEM;
 188
 189         ctx=X509_STORE_new();
 190         if (ctx == NULL) goto end;
 191         X509_STORE_set_verify_cb_func(ctx,callb);
 192
 193         argc--;
 194         argv++;
 195         num=0;
 196         while (argc >= 1)
 197                 {
 198                 if      (strcmp(*argv,"-inform") == 0)
 199                         {
 200                         if (--argc < 1) goto bad;
 201                         informat=str2fmt(*(++argv));
 202                         }
 203                 else if (strcmp(*argv,"-outform") == 0)
 204                         {
 205                         if (--argc < 1) goto bad;
 206                         outformat=str2fmt(*(++argv));
 207                         }
 208                 else if (strcmp(*argv,"-keyform") == 0)
 209                         {
 210                         if (--argc < 1) goto bad;
 211                         keyformat=str2fmt(*(++argv));
 212                         }
 213                 else if (strcmp(*argv,"-req") == 0)
 214                         {
 215                         reqfile=1;
 216                         need_rand = 1;
 217                         }
 218                 else if (strcmp(*argv,"-CAform") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         CAformat=str2fmt(*(++argv));
 222                         }
 223                 else if (strcmp(*argv,"-CAkeyform") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         CAformat=str2fmt(*(++argv));
 227                         }
 228                 else if (strcmp(*argv,"-days") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         days=atoi(*(++argv));
 232                         if (days == 0)
 233                                 {
 234                                 BIO_printf(STDout,"bad number of days\n");
 235                                 goto bad;
 236                                 }
 237                         }
 238                 else if (strcmp(*argv,"-passin") == 0)
 239                         {
 240                         if (--argc < 1) goto bad;
 241                         passin= *(++argv);
 242                         }
 243                 else if (strcmp(*argv,"-envpassin") == 0)
 244                         {
 245                         if (--argc < 1) goto bad;
 246                                 if(!(passin= getenv(*(++argv))))
 247                                 {
 248                                 BIO_printf(bio_err,
 249                                  "Can't read environment variable %s\n",
 250                                                                 *argv);
 251                                 badops = 1;
 252                                 }
 253                         }
 254                 else if (strcmp(*argv,"-extfile") == 0)
 255                         {
 256                         if (--argc < 1) goto bad;
 257                         extfile= *(++argv);
 258                         }
 259                 else if (strcmp(*argv,"-extensions") == 0)
 260                         {
 261                         if (--argc < 1) goto bad;
 262                         extsect= *(++argv);
 263                         }
 264                 else if (strcmp(*argv,"-in") == 0)
 265                         {
 266                         if (--argc < 1) goto bad;
 267                         infile= *(++argv);
 268                         }
 269                 else if (strcmp(*argv,"-out") == 0)
 270                         {
 271                         if (--argc < 1) goto bad;
 272                         outfile= *(++argv);
 273                         }
 274                 else if (strcmp(*argv,"-signkey") == 0)
 275                         {
 276                         if (--argc < 1) goto bad;
 277                         keyfile= *(++argv);
 278                         sign_flag= ++num;
 279                         need_rand = 1;
 280                         }
 281                 else if (strcmp(*argv,"-CA") == 0)
 282                         {
 283                         if (--argc < 1) goto bad;
 284                         CAfile= *(++argv);
 285                         CA_flag= ++num;
 286                         need_rand = 1;
 287                         }
 288                 else if (strcmp(*argv,"-CAkey") == 0)
 289                         {
 290                         if (--argc < 1) goto bad;
 291                         CAkeyfile= *(++argv);
 292                         }
 293                 else if (strcmp(*argv,"-CAserial") == 0)
 294                         {
 295                         if (--argc < 1) goto bad;
 296                         CAserial= *(++argv);
 297                         }
 298                 else if (strcmp(*argv,"-addtrust") == 0)
 299                         {
 300                         if (--argc < 1) goto bad;
 301                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 302                                 BIO_printf(bio_err,
 303                                         "Invalid trust object value %s\n", *argv);
 304                                 goto bad;
 305                         }
 306                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
 307                         sk_ASN1_OBJECT_push(trust, objtmp);
 308                         trustout = 1;
 309                         }
 310                 else if (strcmp(*argv,"-addreject") == 0)
 311                         {
 312                         if (--argc < 1) goto bad;
 313                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 314                                 BIO_printf(bio_err,
 315                                         "Invalid reject object value %s\n", *argv);
 316                                 goto bad;
 317                         }
 318                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
 319                         sk_ASN1_OBJECT_push(reject, objtmp);
 320                         trustout = 1;
 321                         }
 322                 else if (strcmp(*argv,"-setalias") == 0)
 323                         {
 324                         if (--argc < 1) goto bad;
 325                         alias= *(++argv);
 326                         trustout = 1;
 327                         }
 328                 else if (strcmp(*argv,"-setalias") == 0)
 329                         {
 330                         if (--argc < 1) goto bad;
 331                         alias= *(++argv);
 332                         trustout = 1;
 333                         }
 334                 else if (strcmp(*argv,"-C") == 0)
 335                         C= ++num;
 336                 else if (strcmp(*argv,"-serial") == 0)
 337                         serial= ++num;
 338                 else if (strcmp(*argv,"-modulus") == 0)
 339                         modulus= ++num;
 340                 else if (strcmp(*argv,"-pubkey") == 0)
 341                         pubkey= ++num;
 342                 else if (strcmp(*argv,"-x509toreq") == 0)
 343                         x509req= ++num;
 344                 else if (strcmp(*argv,"-text") == 0)
 345                         text= ++num;
 346                 else if (strcmp(*argv,"-hash") == 0)
 347                         hash= ++num;
 348                 else if (strcmp(*argv,"-subject") == 0)
 349                         subject= ++num;
 350                 else if (strcmp(*argv,"-issuer") == 0)
 351                         issuer= ++num;
 352                 else if (strcmp(*argv,"-fingerprint") == 0)
 353                         fingerprint= ++num;
 354                 else if (strcmp(*argv,"-dates") == 0)
 355                         {
 356                         startdate= ++num;
 357                         enddate= ++num;
 358                         }
 359                 else if (strcmp(*argv,"-purpose") == 0)
 360                         pprint= ++num;
 361                 else if (strcmp(*argv,"-startdate") == 0)
 362                         startdate= ++num;
 363                 else if (strcmp(*argv,"-enddate") == 0)
 364                         enddate= ++num;
 365                 else if (strcmp(*argv,"-noout") == 0)
 366                         noout= ++num;
 367                 else if (strcmp(*argv,"-trustout") == 0)
 368                         trustout= 1;
 369                 else if (strcmp(*argv,"-clrtrust") == 0)
 370                         clrtrust= ++num;
 371                 else if (strcmp(*argv,"-clrreject") == 0)
 372                         clrreject= ++num;
 373                 else if (strcmp(*argv,"-alias") == 0)
 374                         aliasout= ++num;
 375                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 376                         CA_createserial= ++num;
 377                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 378                         {
 379                         /* ok */
 380                         digest=md_alg;
 381                         }
 382                 else
 383                         {
 384                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 385                         badops=1;
 386                         break;
 387                         }
 388                 argc--;
 389                 argv++;
 390                 }
 391
 392         if (badops)
 393                 {
 394 bad:
 395                 for (pp=x509_usage; (*pp != NULL); pp++)
 396                         BIO_printf(bio_err,*pp);
 397                 goto end;
 398                 }
 399
 400         if (need_rand)
 401                 app_RAND_load_file(NULL, bio_err, 0);
 402
 403         ERR_load_crypto_strings();
 404
 405         if (!X509_STORE_set_default_paths(ctx))
 406                 {
 407                 ERR_print_errors(bio_err);
 408                 goto end;
 409                 }
 410
 411         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 412                 { CAkeyfile=CAfile; }
 413         else if ((CA_flag) && (CAkeyfile == NULL))
 414                 {
 415                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 416                 goto end;
 417                 }
 418
 419         if (extfile) {
 420                 long errorline;
 421                 X509V3_CTX ctx2;
 422                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 423                         if (errorline <= 0)
 424                                 BIO_printf(bio_err,
 425                                         "error loading the config file '%s'\n",
 426                                                                 extfile);
 427                         else
 428                                 BIO_printf(bio_err,
 429                                        "error on line %ld of config file '%s'\n"
 430                                                         ,errorline,extfile);
 431                         goto end;
 432                 }
 433                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 434                                          "extensions"))) extsect = "default";
 435                 X509V3_set_ctx_test(&ctx2);
 436                 X509V3_set_conf_lhash(&ctx2, extconf);
 437                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 438                         BIO_printf(bio_err,
 439                                 "Error Loading extension section %s\n",
 440                                                                  extsect);
 441                         ERR_print_errors(bio_err);
 442                         goto end;
 443                 }
 444         }
 445
 446
 447         if (reqfile)
 448                 {
 449                 EVP_PKEY *pkey;
 450                 X509_CINF *ci;
 451                 BIO *in;
 452
 453                 if (!sign_flag && !CA_flag)
 454                         {
 455                         BIO_printf(bio_err,"We need a private key to sign with\n");
 456                         goto end;
 457                         }
 458                 in=BIO_new(BIO_s_file());
 459                 if (in == NULL)
 460                         {
 461                         ERR_print_errors(bio_err);
 462                         goto end;
 463                         }
 464
 465                 if (infile == NULL)
 466                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 467                 else
 468                         {
 469                         if (BIO_read_filename(in,infile) <= 0)
 470                                 {
 471                                 perror(infile);
 472                                 goto end;
 473                                 }
 474                         }
 475                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 476                 BIO_free(in);
 477
 478                 if (req == NULL) { perror(infile); goto end; }
 479
 480                 if (    (req->req_info == NULL) ||
 481                         (req->req_info->pubkey == NULL) ||
 482                         (req->req_info->pubkey->public_key == NULL) ||
 483                         (req->req_info->pubkey->public_key->data == NULL))
 484                         {
 485                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 486                         BIO_printf(bio_err,"It does not contain a public key\n");
 487                         goto end;
 488                         }
 489                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 490                         {
 491                         BIO_printf(bio_err,"error unpacking public key\n");
 492                         goto end;
 493                         }
 494                 i=X509_REQ_verify(req,pkey);
 495                 EVP_PKEY_free(pkey);
 496                 if (i < 0)
 497                         {
 498                         BIO_printf(bio_err,"Signature verification error\n");
 499                         ERR_print_errors(bio_err);
 500                         goto end;
 501                         }
 502                 if (i == 0)
 503                         {
 504                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 505                         goto end;
 506                         }
 507                 else
 508                         BIO_printf(bio_err,"Signature ok\n");
 509
 510                 X509_NAME_oneline(req->req_info->subject,buf,256);
 511                 BIO_printf(bio_err,"subject=%s\n",buf);
 512
 513                 if ((x=X509_new()) == NULL) goto end;
 514                 ci=x->cert_info;
 515
 516                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 517                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 518                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 519
 520                 X509_gmtime_adj(X509_get_notBefore(x),0);
 521                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 522
 523                 pkey = X509_REQ_get_pubkey(req);
 524                 X509_set_pubkey(x,pkey);
 525                 EVP_PKEY_free(pkey);
 526                 }
 527         else
 528                 x=load_cert(infile,informat);
 529
 530         if (x == NULL) goto end;
 531         if (CA_flag)
 532                 {
 533                 xca=load_cert(CAfile,CAformat);
 534                 if (xca == NULL) goto end;
 535                 }
 536
 537         if (!noout || text)
 538                 {
 539                 OBJ_create("2.99999.3",
 540                         "SET.ex3","SET x509v3 extension 3");
 541
 542                 out=BIO_new(BIO_s_file());
 543                 if (out == NULL)
 544                         {
 545                         ERR_print_errors(bio_err);
 546                         goto end;
 547                         }
 548                 if (outfile == NULL)
 549                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 550                 else
 551                         {
 552                         if (BIO_write_filename(out,outfile) <= 0)
 553                                 {
 554                                 perror(outfile);
 555                                 goto end;
 556                                 }
 557                         }
 558                 }
 559
 560         if(alias) X509_alias_set(x, (unsigned char *)alias, -1);
 561
 562         if(clrtrust) X509_trust_clear(x);
 563         if(clrreject) X509_reject_clear(x);
 564
 565         if(trust) {
 566                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
 567                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 568                         X509_radd_trust_object(x, objtmp);
 569                 }
 570         }
 571
 572         if(reject) {
 573                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
 574                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 575                         X509_radd_reject_object(x, objtmp);
 576                 }
 577         }
 578
 579         if (num)
 580                 {
 581                 for (i=1; i<=num; i++)
 582                         {
 583                         if (issuer == i)
 584                                 {
 585                                 X509_NAME_oneline(X509_get_issuer_name(x),
 586                                         buf,256);
 587                                 BIO_printf(STDout,"issuer= %s\n",buf);
 588                                 }
 589                         else if (subject == i)
 590                                 {
 591                                 X509_NAME_oneline(X509_get_subject_name(x),
 592                                         buf,256);
 593                                 BIO_printf(STDout,"subject=%s\n",buf);
 594                                 }
 595                         else if (serial == i)
 596                                 {
 597                                 BIO_printf(STDout,"serial=");
 598                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 599                                 BIO_printf(STDout,"\n");
 600                                 }
 601                         else if (aliasout == i)
 602                                 {
 603                                 unsigned char *alstr;
 604                                 alstr = X509_alias_get(x, NULL);
 605                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
 606                                 else BIO_puts(STDout,"<No Alias>\n");
 607                                 }
 608                         else if (hash == i)
 609                                 {
 610                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 611                                 }
 612                         else if (pprint == i)
 613                                 {
 614                                 X509_PURPOSE *ptmp;
 615                                 int j;
 616                                 BIO_printf(STDout, "Certificate purposes:\n");
 617                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
 618                                         {
 619                                         ptmp = X509_PURPOSE_iget(j);
 620                                         purpose_print(STDout, x, ptmp);
 621                                         }
 622                                 }
 623                         else
 624                                 if (modulus == i)
 625                                 {
 626                                 EVP_PKEY *pkey;
 627
 628                                 pkey=X509_get_pubkey(x);
 629                                 if (pkey == NULL)
 630                                         {
 631                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 632                                         ERR_print_errors(bio_err);
 633                                         goto end;
 634                                         }
 635                                 BIO_printf(STDout,"Modulus=");
 636 #ifndef NO_RSA
 637                                 if (pkey->type == EVP_PKEY_RSA)
 638                                         BN_print(STDout,pkey->pkey.rsa->n);
 639                                 else
 640 #endif
 641 #ifndef NO_DSA
 642                                 if (pkey->type == EVP_PKEY_DSA)
 643                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 644                                 else
 645 #endif
 646                                         BIO_printf(STDout,"Wrong Algorithm type");
 647                                 BIO_printf(STDout,"\n");
 648                                 EVP_PKEY_free(pkey);
 649                                 }
 650                         else
 651                                 if (pubkey == i)
 652                                 {
 653                                 EVP_PKEY *pkey;
 654
 655                                 pkey=X509_get_pubkey(x);
 656                                 if (pkey == NULL)
 657                                         {
 658                                         BIO_printf(bio_err,"Error getting public key\n");
 659                                         ERR_print_errors(bio_err);
 660                                         goto end;
 661                                         }
 662                                 PEM_write_bio_PUBKEY(STDout, pkey);
 663                                 EVP_PKEY_free(pkey);
 664                                 }
 665                         else
 666                                 if (C == i)
 667                                 {
 668                                 unsigned char *d;
 669                                 char *m;
 670                                 int y,z;
 671
 672                                 X509_NAME_oneline(X509_get_subject_name(x),
 673                                         buf,256);
 674                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 675                                 m=X509_NAME_oneline(
 676                                         X509_get_issuer_name(x),buf,256);
 677                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 678
 679                                 z=i2d_X509(x,NULL);
 680                                 m=Malloc(z);
 681
 682                                 d=(unsigned char *)m;
 683                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 684                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 685                                 d=(unsigned char *)m;
 686                                 for (y=0; y<z; y++)
 687                                         {
 688                                         BIO_printf(STDout,"0x%02X,",d[y]);
 689                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 690                                         }
 691                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 692                                 BIO_printf(STDout,"};\n");
 693
 694                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 695                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 696                                 d=(unsigned char *)m;
 697                                 for (y=0; y<z; y++)
 698                                         {
 699                                         BIO_printf(STDout,"0x%02X,",d[y]);
 700                                         if ((y & 0x0f) == 0x0f)
 701                                                 BIO_printf(STDout,"\n");
 702                                         }
 703                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 704                                 BIO_printf(STDout,"};\n");
 705
 706                                 z=i2d_X509(x,&d);
 707                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 708                                 d=(unsigned char *)m;
 709                                 for (y=0; y<z; y++)
 710                                         {
 711                                         BIO_printf(STDout,"0x%02X,",d[y]);
 712                                         if ((y & 0x0f) == 0x0f)
 713                                                 BIO_printf(STDout,"\n");
 714                                         }
 715                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 716                                 BIO_printf(STDout,"};\n");
 717
 718                                 Free(m);
 719                                 }
 720                         else if (text == i)
 721                                 {
 722                                 X509_print(out,x);
 723                                 }
 724                         else if (startdate == i)
 725                                 {
 726                                 BIO_puts(STDout,"notBefore=");
 727                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 728                                 BIO_puts(STDout,"\n");
 729                                 }
 730                         else if (enddate == i)
 731                                 {
 732                                 BIO_puts(STDout,"notAfter=");
 733                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 734                                 BIO_puts(STDout,"\n");
 735                                 }
 736                         else if (fingerprint == i)
 737                                 {
 738                                 int j;
 739                                 unsigned int n;
 740                                 unsigned char md[EVP_MAX_MD_SIZE];
 741
 742                                 if (!X509_digest(x,digest,md,&n))
 743                                         {
 744                                         BIO_printf(bio_err,"out of memory\n");
 745                                         goto end;
 746                                         }
 747                                 BIO_printf(STDout,"%s Fingerprint=",
 748                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 749                                 for (j=0; j<(int)n; j++)
 750                                         {
 751                                         BIO_printf(STDout,"%02X%c",md[j],
 752                                                 (j+1 == (int)n)
 753                                                 ?'\n':':');
 754                                         }
 755                                 }
 756
 757                         /* should be in the library */
 758                         else if ((sign_flag == i) && (x509req == 0))
 759                                 {
 760                                 BIO_printf(bio_err,"Getting Private key\n");
 761                                 if (Upkey == NULL)
 762                                         {
 763                                         Upkey=load_key(keyfile,keyformat, passin);
 764                                         if (Upkey == NULL) goto end;
 765                                         }
 766 #ifndef NO_DSA
 767                                 if (Upkey->type == EVP_PKEY_DSA)
 768                                         digest=EVP_dss1();
 769 #endif
 770
 771                                 assert(need_rand);
 772                                 if (!sign(x,Upkey,days,digest,
 773                                                  extconf, extsect)) goto end;
 774                                 }
 775                         else if (CA_flag == i)
 776                                 {
 777                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 778                                 if (CAkeyfile != NULL)
 779                                         {
 780                                         CApkey=load_key(CAkeyfile,CAkeyformat, passin);
 781                                         if (CApkey == NULL) goto end;
 782                                         }
 783 #ifndef NO_DSA
 784                                 if (CApkey->type == EVP_PKEY_DSA)
 785                                         digest=EVP_dss1();
 786 #endif
 787
 788                                 assert(need_rand);
 789                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 790                                         CApkey, CAserial,CA_createserial,days,
 791                                         extconf, extsect))
 792                                         goto end;
 793                                 }
 794                         else if (x509req == i)
 795                                 {
 796                                 EVP_PKEY *pk;
 797
 798                                 BIO_printf(bio_err,"Getting request Private Key\n");
 799                                 if (keyfile == NULL)
 800                                         {
 801                                         BIO_printf(bio_err,"no request key file specified\n");
 802                                         goto end;
 803                                         }
 804                                 else
 805                                         {
 806                                         pk=load_key(keyfile,FORMAT_PEM, passin);
 807                                         if (pk == NULL) goto end;
 808                                         }
 809
 810                                 BIO_printf(bio_err,"Generating certificate request\n");
 811
 812                                 if (pk->type == EVP_PKEY_DSA)
 813                                         digest=EVP_dss1();
 814
 815                                 rq=X509_to_X509_REQ(x,pk,digest);
 816                                 EVP_PKEY_free(pk);
 817                                 if (rq == NULL)
 818                                         {
 819                                         ERR_print_errors(bio_err);
 820                                         goto end;
 821                                         }
 822                                 if (!noout)
 823                                         {
 824                                         X509_REQ_print(out,rq);
 825                                         PEM_write_bio_X509_REQ(out,rq);
 826                                         }
 827                                 noout=1;
 828                                 }
 829                         }
 830                 }
 831
 832         if (noout)
 833                 {
 834                 ret=0;
 835                 goto end;
 836                 }
 837
 838         if      (outformat == FORMAT_ASN1)
 839                 i=i2d_X509_bio(out,x);
 840         else if (outformat == FORMAT_PEM) {
 841                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
 842                 else i=PEM_write_bio_X509(out,x);
 843         } else if (outformat == FORMAT_NETSCAPE)
 844                 {
 845                 ASN1_HEADER ah;
 846                 ASN1_OCTET_STRING os;
 847
 848                 os.data=(unsigned char *)CERT_HDR;
 849                 os.length=strlen(CERT_HDR);
 850                 ah.header= &os;
 851                 ah.data=(char *)x;
 852                 ah.meth=X509_asn1_meth();
 853
 854                 /* no macro for this one yet */
 855                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 856                 }
 857         else    {
 858                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 859                 goto end;
 860                 }
 861         if (!i) {
 862                 BIO_printf(bio_err,"unable to write certificate\n");
 863                 ERR_print_errors(bio_err);
 864                 goto end;
 865                 }
 866         ret=0;
 867 end:
 868         if (need_rand)
 869                 app_RAND_write_file(NULL, bio_err);
 870         OBJ_cleanup();
 871         CONF_free(extconf);
 872         BIO_free(out);
 873         BIO_free(STDout);
 874         X509_STORE_free(ctx);
 875         X509_REQ_free(req);
 876         X509_free(x);
 877         X509_free(xca);
 878         EVP_PKEY_free(Upkey);
 879         EVP_PKEY_free(CApkey);
 880         X509_REQ_free(rq);
 881         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 882         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 883         EXIT(ret);
 884         }
 885
 886 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 887              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 888              int days, LHASH *conf, char *section)
 889         {
 890         int ret=0;
 891         BIO *io=NULL;
 892         MS_STATIC char buf2[1024];
 893         char *buf=NULL,*p;
 894         BIGNUM *serial=NULL;
 895         ASN1_INTEGER *bs=NULL,bs2;
 896         X509_STORE_CTX xsc;
 897         EVP_PKEY *upkey;
 898
 899         upkey = X509_get_pubkey(xca);
 900         EVP_PKEY_copy_parameters(upkey,pkey);
 901         EVP_PKEY_free(upkey);
 902
 903         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 904         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 905                 ((serialfile == NULL)
 906                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 907                         :(strlen(serialfile)))+1);
 908         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 909         if (serialfile == NULL)
 910                 {
 911                 strcpy(buf,CAfile);
 912                 for (p=buf; *p; p++)
 913                         if (*p == '.')
 914                                 {
 915                                 *p='\0';
 916                                 break;
 917                                 }
 918                 strcat(buf,POSTFIX);
 919                 }
 920         else
 921                 strcpy(buf,serialfile);
 922         serial=BN_new();
 923         bs=ASN1_INTEGER_new();
 924         if ((serial == NULL) || (bs == NULL))
 925                 {
 926                 ERR_print_errors(bio_err);
 927                 goto end;
 928                 }
 929
 930         io=BIO_new(BIO_s_file());
 931         if (io == NULL)
 932                 {
 933                 ERR_print_errors(bio_err);
 934                 goto end;
 935                 }
 936
 937         if (BIO_read_filename(io,buf) <= 0)
 938                 {
 939                 if (!create)
 940                         {
 941                         perror(buf);
 942                         goto end;
 943                         }
 944                 else
 945                         {
 946                         ASN1_INTEGER_set(bs,0);
 947                         BN_zero(serial);
 948                         }
 949                 }
 950         else
 951                 {
 952                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 953                         {
 954                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 955                         ERR_print_errors(bio_err);
 956                         goto end;
 957                         }
 958                 else
 959                         {
 960                         serial=BN_bin2bn(bs->data,bs->length,serial);
 961                         if (serial == NULL)
 962                                 {
 963                                 BIO_printf(bio_err,"error converting bin 2 bn");
 964                                 goto end;
 965                                 }
 966                         }
 967                 }
 968
 969         if (!BN_add_word(serial,1))
 970                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 971         bs2.data=(unsigned char *)buf2;
 972         bs2.length=BN_bn2bin(serial,bs2.data);
 973
 974         if (BIO_write_filename(io,buf) <= 0)
 975                 {
 976                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 977                 perror(buf);
 978                 goto end;
 979                 }
 980         i2a_ASN1_INTEGER(io,&bs2);
 981         BIO_puts(io,"\n");
 982         BIO_free(io);
 983         io=NULL;
 984
 985         if (!X509_STORE_add_cert(ctx,x)) goto end;
 986
 987         /* NOTE: this certificate can/should be self signed, unless it was
 988          * a certificate request in which case it is not. */
 989         X509_STORE_CTX_set_cert(&xsc,x);
 990         if (!reqfile && !X509_verify_cert(&xsc))
 991                 goto end;
 992
 993         if (!X509_check_private_key(xca,pkey))
 994                 {
 995                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 996                 goto end;
 997                 }
 998
 999         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1000         if (!X509_set_serialNumber(x,bs)) goto end;
1001
1002         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1003                 goto end;
1004
1005         /* hardwired expired */
1006         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1007                 goto end;
1008
1009         if(conf) {
1010                 X509V3_CTX ctx2;
1011                 X509_set_version(x,2); /* version 3 certificate */
1012                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1013                 X509V3_set_conf_lhash(&ctx2, conf);
1014                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1015         }
1016
1017         if (!X509_sign(x,pkey,digest)) goto end;
1018         ret=1;
1019 end:
1020         X509_STORE_CTX_cleanup(&xsc);
1021         if (!ret)
1022                 ERR_print_errors(bio_err);
1023         if (buf != NULL) Free(buf);
1024         if (bs != NULL) ASN1_INTEGER_free(bs);
1025         if (io != NULL) BIO_free(io);
1026         if (serial != NULL) BN_free(serial);
1027         return(ret);
1028         }
1029
1030 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1031         {
1032         char buf[256];
1033         int err;
1034         X509 *err_cert;
1035
1036         /* it is ok to use a self signed certificate
1037          * This case will catch both the initial ok == 0 and the
1038          * final ok == 1 calls to this function */
1039         err=X509_STORE_CTX_get_error(ctx);
1040         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1041                 return(1);
1042
1043         /* BAD we should have gotten an error.  Normally if everything
1044          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1045          * DEPTH_ZERO_SELF_.... */
1046         if (ok)
1047                 {
1048                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1049                 return(0);
1050                 }
1051         else
1052                 {
1053                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1054                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1055                 BIO_printf(bio_err,"%s\n",buf);
1056                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1057                         err,X509_STORE_CTX_get_error_depth(ctx),
1058                         X509_verify_cert_error_string(err));
1059                 return(1);
1060                 }
1061         }
1062
1063 static EVP_PKEY *load_key(char *file, int format, char *passin)
1064         {
1065         BIO *key=NULL;
1066         EVP_PKEY *pkey=NULL;
1067
1068         if (file == NULL)
1069                 {
1070                 BIO_printf(bio_err,"no keyfile specified\n");
1071                 goto end;
1072                 }
1073         key=BIO_new(BIO_s_file());
1074         if (key == NULL)
1075                 {
1076                 ERR_print_errors(bio_err);
1077                 goto end;
1078                 }
1079         if (BIO_read_filename(key,file) <= 0)
1080                 {
1081                 perror(file);
1082                 goto end;
1083                 }
1084 #ifndef NO_RSA
1085         if      (format == FORMAT_ASN1)
1086                 {
1087                 RSA *rsa;
1088
1089                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1090                 if (rsa != NULL)
1091                         {
1092                         if ((pkey=EVP_PKEY_new()) != NULL)
1093                                 EVP_PKEY_assign_RSA(pkey,rsa);
1094                         else
1095                                 RSA_free(rsa);
1096                         }
1097                 }
1098         else
1099 #endif
1100                 if (format == FORMAT_PEM)
1101                 {
1102                 pkey=PEM_read_bio_PrivateKey(key,NULL,PEM_cb,passin);
1103                 }
1104         else
1105                 {
1106                 BIO_printf(bio_err,"bad input format specified for key\n");
1107                 goto end;
1108                 }
1109 end:
1110         if (key != NULL) BIO_free(key);
1111         if (pkey == NULL)
1112                 BIO_printf(bio_err,"unable to load Private Key\n");
1113         return(pkey);
1114         }
1115
1116 static X509 *load_cert(char *file, int format)
1117         {
1118         ASN1_HEADER *ah=NULL;
1119         BUF_MEM *buf=NULL;
1120         X509 *x=NULL;
1121         BIO *cert;
1122
1123         if ((cert=BIO_new(BIO_s_file())) == NULL)
1124                 {
1125                 ERR_print_errors(bio_err);
1126                 goto end;
1127                 }
1128
1129         if (file == NULL)
1130                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1131         else
1132                 {
1133                 if (BIO_read_filename(cert,file) <= 0)
1134                         {
1135                         perror(file);
1136                         goto end;
1137                         }
1138                 }
1139         if      (format == FORMAT_ASN1)
1140                 x=d2i_X509_bio(cert,NULL);
1141         else if (format == FORMAT_NETSCAPE)
1142                 {
1143                 unsigned char *p,*op;
1144                 int size=0,i;
1145
1146                 /* We sort of have to do it this way because it is sort of nice
1147                  * to read the header first and check it, then
1148                  * try to read the certificate */
1149                 buf=BUF_MEM_new();
1150                 for (;;)
1151                         {
1152                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1153                                 goto end;
1154                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1155                         size+=i;
1156                         if (i == 0) break;
1157                         if (i < 0)
1158                                 {
1159                                 perror("reading certificate");
1160                                 goto end;
1161                                 }
1162                         }
1163                 p=(unsigned char *)buf->data;
1164                 op=p;
1165
1166                 /* First load the header */
1167                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1168                         goto end;
1169                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1170                         (strncmp(CERT_HDR,(char *)ah->header->data,
1171                         ah->header->length) != 0))
1172                         {
1173                         BIO_printf(bio_err,"Error reading header on certificate\n");
1174                         goto end;
1175                         }
1176                 /* header is ok, so now read the object */
1177                 p=op;
1178                 ah->meth=X509_asn1_meth();
1179                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1180                         goto end;
1181                 x=(X509 *)ah->data;
1182                 ah->data=NULL;
1183                 }
1184         else if (format == FORMAT_PEM)
1185                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1186         else    {
1187                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1188                 goto end;
1189                 }
1190 end:
1191         if (x == NULL)
1192                 {
1193                 BIO_printf(bio_err,"unable to load certificate\n");
1194                 ERR_print_errors(bio_err);
1195                 }
1196         if (ah != NULL) ASN1_HEADER_free(ah);
1197         if (cert != NULL) BIO_free(cert);
1198         if (buf != NULL) BUF_MEM_free(buf);
1199         return(x);
1200         }
1201
1202 /* self sign */
1203 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1204                                                 LHASH *conf, char *section)
1205         {
1206
1207         EVP_PKEY *pktmp;
1208
1209         pktmp = X509_get_pubkey(x);
1210         EVP_PKEY_copy_parameters(pktmp,pkey);
1211         EVP_PKEY_save_parameters(pktmp,1);
1212         EVP_PKEY_free(pktmp);
1213
1214         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1215         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1216
1217         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1218         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1219         /* 28 days to be certified */
1220
1221         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1222                 goto err;
1223
1224         if (!X509_set_pubkey(x,pkey)) goto err;
1225         if(conf) {
1226                 X509V3_CTX ctx;
1227                 X509_set_version(x,2); /* version 3 certificate */
1228                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1229                 X509V3_set_conf_lhash(&ctx, conf);
1230                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1231         }
1232         if (!X509_sign(x,pkey,digest)) goto err;
1233         return(1);
1234 err:
1235         ERR_print_errors(bio_err);
1236         return(0);
1237         }
1238
1239 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1240 {
1241         int id, i, idret;
1242         char *pname;
1243         id = X509_PURPOSE_get_id(pt);
1244         pname = X509_PURPOSE_iget_name(pt);
1245         for(i = 0; i < 2; i++) {
1246                 idret = X509_check_purpose(cert, id, i);
1247                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1248                 if(idret == 1) BIO_printf(bio, "Yes\n");
1249                 else if (idret == 0) BIO_printf(bio, "No\n");
1250                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1251         }
1252         return 1;
1253 }
1254
1255
1256