crypto/libressl/apps/openssl/x509.c

   1 /* $OpenBSD: x509.c,v 1.11 2015/10/17 07:51:10 semarie Exp $ */
   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 <limits.h>
  63 #include <string.h>
  64
  65 #include "apps.h"
  66
  67 #include <openssl/asn1.h>
  68 #include <openssl/bio.h>
  69 #include <openssl/bn.h>
  70 #include <openssl/err.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/objects.h>
  73 #include <openssl/pem.h>
  74 #include <openssl/x509.h>
  75 #include <openssl/x509v3.h>
  76
  77 #include <openssl/dsa.h>
  78
  79 #include <openssl/rsa.h>
  80
  81 #define POSTFIX ".srl"
  82 #define DEF_DAYS        30
  83
  84 static const char *x509_usage[] = {
  85         "usage: x509 args\n",
  86         " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  87         " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  88         " -keyform arg    - private key format - default PEM\n",
  89         " -CAform arg     - CA format - default PEM\n",
  90         " -CAkeyform arg  - CA key format - default PEM\n",
  91         " -in arg         - input file - default stdin\n",
  92         " -out arg        - output file - default stdout\n",
  93         " -passin arg     - private key password source\n",
  94         " -serial         - print serial number value\n",
  95         " -subject_hash   - print subject hash value\n",
  96 #ifndef OPENSSL_NO_MD5
  97         " -subject_hash_old   - print old-style (MD5) subject hash value\n",
  98 #endif
  99         " -issuer_hash    - print issuer hash value\n",
 100 #ifndef OPENSSL_NO_MD5
 101         " -issuer_hash_old    - print old-style (MD5) issuer hash value\n",
 102 #endif
 103         " -hash           - synonym for -subject_hash\n",
 104         " -subject        - print subject DN\n",
 105         " -issuer         - print issuer DN\n",
 106         " -email          - print email address(es)\n",
 107         " -startdate      - notBefore field\n",
 108         " -enddate        - notAfter field\n",
 109         " -purpose        - print out certificate purposes\n",
 110         " -dates          - both Before and After dates\n",
 111         " -modulus        - print the RSA key modulus\n",
 112         " -pubkey         - output the public key\n",
 113         " -fingerprint    - print the certificate fingerprint\n",
 114         " -alias          - output certificate alias\n",
 115         " -noout          - no certificate output\n",
 116         " -ocspid         - print OCSP hash values for the subject name and public key\n",
 117         " -ocsp_uri       - print OCSP Responder URL(s)\n",
 118         " -trustout       - output a \"trusted\" certificate\n",
 119         " -clrtrust       - clear all trusted purposes\n",
 120         " -clrreject      - clear all rejected purposes\n",
 121         " -addtrust arg   - trust certificate for a given purpose\n",
 122         " -addreject arg  - reject certificate for a given purpose\n",
 123         " -setalias arg   - set certificate alias\n",
 124         " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 125         " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 126         "                   exit 1 if so, 0 if not\n",
 127         " -signkey arg    - self sign cert with arg\n",
 128         " -x509toreq      - output a certification request object\n",
 129         " -req            - input is a certificate request, sign and output.\n",
 130         " -CA arg         - set the CA certificate, must be PEM format.\n",
 131         " -CAkey arg      - set the CA key, must be PEM format\n",
 132         "                   missing, it is assumed to be in the CA file.\n",
 133         " -CAcreateserial - create serial number file if it does not exist\n",
 134         " -CAserial arg   - serial file\n",
 135         " -set_serial     - serial number to use\n",
 136         " -text           - print the certificate in text form\n",
 137         " -C              - print out C code forms\n",
 138         " -md5/-sha1      - digest to use\n",
 139         " -extfile        - configuration file with X509V3 extensions to add\n",
 140         " -extensions     - section from config file with X509V3 extensions to add\n",
 141         " -clrext         - delete extensions before signing and input certificate\n",
 142         " -nameopt arg    - various certificate name options\n",
 143         " -certopt arg    - various certificate text options\n",
 144         NULL
 145 };
 146
 147 static int callb(int ok, X509_STORE_CTX *ctx);
 148 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
 149     const EVP_MD *digest, CONF *conf, char *section);
 150 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 151     X509 *x, X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts,
 152     char *serial, int create, int days, int clrext, CONF *conf, char *section,
 153     ASN1_INTEGER *sno);
 154 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 155 static int reqfile = 0;
 156
 157 int
 158 x509_main(int argc, char **argv)
 159 {
 160         int ret = 1;
 161         X509_REQ *req = NULL;
 162         X509 *x = NULL, *xca = NULL;
 163         ASN1_OBJECT *objtmp;
 164         STACK_OF(OPENSSL_STRING) *sigopts = NULL;
 165         EVP_PKEY *Upkey = NULL, *CApkey = NULL;
 166         ASN1_INTEGER *sno = NULL;
 167         int i, num, badops = 0;
 168         BIO *out = NULL;
 169         BIO *STDout = NULL;
 170         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 171         int informat, outformat, keyformat, CAformat, CAkeyformat;
 172         char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
 173         char *CAkeyfile = NULL, *CAserial = NULL;
 174         char *alias = NULL;
 175         int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0,
 176             enddate = 0;
 177         int next_serial = 0;
 178         int subject_hash = 0, issuer_hash = 0, ocspid = 0;
 179 #ifndef OPENSSL_NO_MD5
 180         int subject_hash_old = 0, issuer_hash_old = 0;
 181 #endif
 182         int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0,
 183             email = 0;
 184         int ocsp_uri = 0;
 185         int trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0, clrext = 0;
 186         int C = 0;
 187         int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0;
 188         int pprint = 0;
 189         const char **pp;
 190         X509_STORE *ctx = NULL;
 191         X509_REQ *rq = NULL;
 192         int fingerprint = 0;
 193         char buf[256];
 194         const EVP_MD *md_alg, *digest = NULL;
 195         CONF *extconf = NULL;
 196         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 197         int checkend = 0, checkoffset = 0;
 198         unsigned long nmflag = 0, certflag = 0;
 199         const char *errstr = NULL;
 200
 201         if (single_execution) {
 202                 if (pledge("stdio rpath wpath cpath tty", NULL) == -1) {
 203                         perror("pledge");
 204                         exit(1);
 205                 }
 206         }
 207
 208         reqfile = 0;
 209
 210         STDout = BIO_new_fp(stdout, BIO_NOCLOSE);
 211
 212         informat = FORMAT_PEM;
 213         outformat = FORMAT_PEM;
 214         keyformat = FORMAT_PEM;
 215         CAformat = FORMAT_PEM;
 216         CAkeyformat = FORMAT_PEM;
 217
 218         ctx = X509_STORE_new();
 219         if (ctx == NULL)
 220                 goto end;
 221         X509_STORE_set_verify_cb(ctx, callb);
 222
 223         argc--;
 224         argv++;
 225         num = 0;
 226         while (argc >= 1) {
 227                 if (strcmp(*argv, "-inform") == 0) {
 228                         if (--argc < 1)
 229                                 goto bad;
 230                         informat = str2fmt(*(++argv));
 231                 } else if (strcmp(*argv, "-outform") == 0) {
 232                         if (--argc < 1)
 233                                 goto bad;
 234                         outformat = str2fmt(*(++argv));
 235                 } else if (strcmp(*argv, "-keyform") == 0) {
 236                         if (--argc < 1)
 237                                 goto bad;
 238                         keyformat = str2fmt(*(++argv));
 239                 } else if (strcmp(*argv, "-req") == 0) {
 240                         reqfile = 1;
 241                 } else if (strcmp(*argv, "-CAform") == 0) {
 242                         if (--argc < 1)
 243                                 goto bad;
 244                         CAformat = str2fmt(*(++argv));
 245                 } else if (strcmp(*argv, "-CAkeyform") == 0) {
 246                         if (--argc < 1)
 247                                 goto bad;
 248                         CAkeyformat = str2fmt(*(++argv));
 249                 } else if (strcmp(*argv, "-sigopt") == 0) {
 250                         if (--argc < 1)
 251                                 goto bad;
 252                         if (!sigopts)
 253                                 sigopts = sk_OPENSSL_STRING_new_null();
 254                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
 255                                 goto bad;
 256                 } else if (strcmp(*argv, "-days") == 0) {
 257                         if (--argc < 1)
 258                                 goto bad;
 259                         days = strtonum(*(++argv), 1, INT_MAX, &errstr);
 260                         if (errstr) {
 261                                 BIO_printf(bio_err, "bad number of days: %s\n", errstr);
 262                                 goto bad;
 263                         }
 264                 } else if (strcmp(*argv, "-passin") == 0) {
 265                         if (--argc < 1)
 266                                 goto bad;
 267                         passargin = *(++argv);
 268                 } else if (strcmp(*argv, "-extfile") == 0) {
 269                         if (--argc < 1)
 270                                 goto bad;
 271                         extfile = *(++argv);
 272                 } else if (strcmp(*argv, "-extensions") == 0) {
 273                         if (--argc < 1)
 274                                 goto bad;
 275                         extsect = *(++argv);
 276                 } else if (strcmp(*argv, "-in") == 0) {
 277                         if (--argc < 1)
 278                                 goto bad;
 279                         infile = *(++argv);
 280                 } else if (strcmp(*argv, "-out") == 0) {
 281                         if (--argc < 1)
 282                                 goto bad;
 283                         outfile = *(++argv);
 284                 } else if (strcmp(*argv, "-signkey") == 0) {
 285                         if (--argc < 1)
 286                                 goto bad;
 287                         keyfile = *(++argv);
 288                         sign_flag = ++num;
 289                 } else if (strcmp(*argv, "-CA") == 0) {
 290                         if (--argc < 1)
 291                                 goto bad;
 292                         CAfile = *(++argv);
 293                         CA_flag = ++num;
 294                 } else if (strcmp(*argv, "-CAkey") == 0) {
 295                         if (--argc < 1)
 296                                 goto bad;
 297                         CAkeyfile = *(++argv);
 298                 } else if (strcmp(*argv, "-CAserial") == 0) {
 299                         if (--argc < 1)
 300                                 goto bad;
 301                         CAserial = *(++argv);
 302                 } else if (strcmp(*argv, "-set_serial") == 0) {
 303                         if (--argc < 1)
 304                                 goto bad;
 305                         ASN1_INTEGER_free(sno);
 306                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 307                                 goto bad;
 308                 } else if (strcmp(*argv, "-addtrust") == 0) {
 309                         if (--argc < 1)
 310                                 goto bad;
 311                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 312                                 BIO_printf(bio_err,
 313                                     "Invalid trust object value %s\n", *argv);
 314                                 goto bad;
 315                         }
 316                         if (!trust)
 317                                 trust = sk_ASN1_OBJECT_new_null();
 318                         sk_ASN1_OBJECT_push(trust, objtmp);
 319                         trustout = 1;
 320                 } else if (strcmp(*argv, "-addreject") == 0) {
 321                         if (--argc < 1)
 322                                 goto bad;
 323                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 324                                 BIO_printf(bio_err,
 325                                     "Invalid reject object value %s\n", *argv);
 326                                 goto bad;
 327                         }
 328                         if (!reject)
 329                                 reject = sk_ASN1_OBJECT_new_null();
 330                         sk_ASN1_OBJECT_push(reject, objtmp);
 331                         trustout = 1;
 332                 } else if (strcmp(*argv, "-setalias") == 0) {
 333                         if (--argc < 1)
 334                                 goto bad;
 335                         alias = *(++argv);
 336                         trustout = 1;
 337                 } else if (strcmp(*argv, "-certopt") == 0) {
 338                         if (--argc < 1)
 339                                 goto bad;
 340                         if (!set_cert_ex(&certflag, *(++argv)))
 341                                 goto bad;
 342                 } else if (strcmp(*argv, "-nameopt") == 0) {
 343                         if (--argc < 1)
 344                                 goto bad;
 345                         if (!set_name_ex(&nmflag, *(++argv)))
 346                                 goto bad;
 347                 }
 348                 else if (strcmp(*argv, "-C") == 0)
 349                         C = ++num;
 350                 else if (strcmp(*argv, "-email") == 0)
 351                         email = ++num;
 352                 else if (strcmp(*argv, "-ocsp_uri") == 0)
 353                         ocsp_uri = ++num;
 354                 else if (strcmp(*argv, "-serial") == 0)
 355                         serial = ++num;
 356                 else if (strcmp(*argv, "-next_serial") == 0)
 357                         next_serial = ++num;
 358                 else if (strcmp(*argv, "-modulus") == 0)
 359                         modulus = ++num;
 360                 else if (strcmp(*argv, "-pubkey") == 0)
 361                         pubkey = ++num;
 362                 else if (strcmp(*argv, "-x509toreq") == 0)
 363                         x509req = ++num;
 364                 else if (strcmp(*argv, "-text") == 0)
 365                         text = ++num;
 366                 else if (strcmp(*argv, "-hash") == 0 ||
 367                     strcmp(*argv, "-subject_hash") == 0)
 368                         subject_hash = ++num;
 369 #ifndef OPENSSL_NO_MD5
 370                 else if (strcmp(*argv, "-subject_hash_old") == 0)
 371                         subject_hash_old = ++num;
 372 #endif
 373                 else if (strcmp(*argv, "-issuer_hash") == 0)
 374                         issuer_hash = ++num;
 375 #ifndef OPENSSL_NO_MD5
 376                 else if (strcmp(*argv, "-issuer_hash_old") == 0)
 377                         issuer_hash_old = ++num;
 378 #endif
 379                 else if (strcmp(*argv, "-subject") == 0)
 380                         subject = ++num;
 381                 else if (strcmp(*argv, "-issuer") == 0)
 382                         issuer = ++num;
 383                 else if (strcmp(*argv, "-fingerprint") == 0)
 384                         fingerprint = ++num;
 385                 else if (strcmp(*argv, "-dates") == 0) {
 386                         startdate = ++num;
 387                         enddate = ++num;
 388                 } else if (strcmp(*argv, "-purpose") == 0)
 389                         pprint = ++num;
 390                 else if (strcmp(*argv, "-startdate") == 0)
 391                         startdate = ++num;
 392                 else if (strcmp(*argv, "-enddate") == 0)
 393                         enddate = ++num;
 394                 else if (strcmp(*argv, "-checkend") == 0) {
 395                         if (--argc < 1)
 396                                 goto bad;
 397                         checkoffset = strtonum(*(++argv), 0, INT_MAX, &errstr);
 398                         if (errstr) {
 399                                 BIO_printf(bio_err, "checkend unusable: %s\n", errstr);
 400                                 goto bad;
 401                         }
 402                         checkend = 1;
 403                 } else if (strcmp(*argv, "-noout") == 0)
 404                         noout = ++num;
 405                 else if (strcmp(*argv, "-trustout") == 0)
 406                         trustout = 1;
 407                 else if (strcmp(*argv, "-clrtrust") == 0)
 408                         clrtrust = ++num;
 409                 else if (strcmp(*argv, "-clrreject") == 0)
 410                         clrreject = ++num;
 411                 else if (strcmp(*argv, "-alias") == 0)
 412                         aliasout = ++num;
 413                 else if (strcmp(*argv, "-CAcreateserial") == 0)
 414                         CA_createserial = ++num;
 415                 else if (strcmp(*argv, "-clrext") == 0)
 416                         clrext = 1;
 417                 else if (strcmp(*argv, "-ocspid") == 0)
 418                         ocspid = ++num;
 419                 else if ((md_alg = EVP_get_digestbyname(*argv + 1))) {
 420                         /* ok */
 421                         digest = md_alg;
 422                 } else {
 423                         BIO_printf(bio_err, "unknown option %s\n", *argv);
 424                         badops = 1;
 425                         break;
 426                 }
 427                 argc--;
 428                 argv++;
 429         }
 430
 431         if (badops) {
 432 bad:
 433                 for (pp = x509_usage; (*pp != NULL); pp++)
 434                         BIO_printf(bio_err, "%s", *pp);
 435                 goto end;
 436         }
 437
 438         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
 439                 BIO_printf(bio_err, "Error getting password\n");
 440                 goto end;
 441         }
 442         if (!X509_STORE_set_default_paths(ctx)) {
 443                 ERR_print_errors(bio_err);
 444                 goto end;
 445         }
 446         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
 447                 CAkeyfile = CAfile;
 448         } else if ((CA_flag) && (CAkeyfile == NULL)) {
 449                 BIO_printf(bio_err,
 450                     "need to specify a CAkey if using the CA command\n");
 451                 goto end;
 452         }
 453         if (extfile) {
 454                 long errorline = -1;
 455                 X509V3_CTX ctx2;
 456                 extconf = NCONF_new(NULL);
 457                 if (!NCONF_load(extconf, extfile, &errorline)) {
 458                         if (errorline <= 0)
 459                                 BIO_printf(bio_err,
 460                                     "error loading the config file '%s'\n",
 461                                     extfile);
 462                         else
 463                                 BIO_printf(bio_err,
 464                                     "error on line %ld of config file '%s'\n",
 465                                     errorline, extfile);
 466                         goto end;
 467                 }
 468                 if (!extsect) {
 469                         extsect = NCONF_get_string(extconf, "default",
 470                             "extensions");
 471                         if (!extsect) {
 472                                 ERR_clear_error();
 473                                 extsect = "default";
 474                         }
 475                 }
 476                 X509V3_set_ctx_test(&ctx2);
 477                 X509V3_set_nconf(&ctx2, extconf);
 478                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
 479                         BIO_printf(bio_err,
 480                             "Error Loading extension section %s\n",
 481                             extsect);
 482                         ERR_print_errors(bio_err);
 483                         goto end;
 484                 }
 485         }
 486         if (reqfile) {
 487                 EVP_PKEY *pkey;
 488                 BIO *in;
 489
 490                 if (!sign_flag && !CA_flag) {
 491                         BIO_printf(bio_err, "We need a private key to sign with\n");
 492                         goto end;
 493                 }
 494                 in = BIO_new(BIO_s_file());
 495                 if (in == NULL) {
 496                         ERR_print_errors(bio_err);
 497                         goto end;
 498                 }
 499                 if (infile == NULL)
 500                         BIO_set_fp(in, stdin, BIO_NOCLOSE | BIO_FP_TEXT);
 501                 else {
 502                         if (BIO_read_filename(in, infile) <= 0) {
 503                                 perror(infile);
 504                                 BIO_free(in);
 505                                 goto end;
 506                         }
 507                 }
 508                 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
 509                 BIO_free(in);
 510
 511                 if (req == NULL) {
 512                         ERR_print_errors(bio_err);
 513                         goto end;
 514                 }
 515                 if ((req->req_info == NULL) ||
 516                     (req->req_info->pubkey == NULL) ||
 517                     (req->req_info->pubkey->public_key == NULL) ||
 518                     (req->req_info->pubkey->public_key->data == NULL)) {
 519                         BIO_printf(bio_err, "The certificate request appears to corrupted\n");
 520                         BIO_printf(bio_err, "It does not contain a public key\n");
 521                         goto end;
 522                 }
 523                 if ((pkey = X509_REQ_get_pubkey(req)) == NULL) {
 524                         BIO_printf(bio_err, "error unpacking public key\n");
 525                         goto end;
 526                 }
 527                 i = X509_REQ_verify(req, pkey);
 528                 EVP_PKEY_free(pkey);
 529                 if (i < 0) {
 530                         BIO_printf(bio_err, "Signature verification error\n");
 531                         ERR_print_errors(bio_err);
 532                         goto end;
 533                 }
 534                 if (i == 0) {
 535                         BIO_printf(bio_err, "Signature did not match the certificate request\n");
 536                         goto end;
 537                 } else
 538                         BIO_printf(bio_err, "Signature ok\n");
 539
 540                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 541
 542                 if ((x = X509_new()) == NULL)
 543                         goto end;
 544
 545                 if (sno == NULL) {
 546                         sno = ASN1_INTEGER_new();
 547                         if (!sno || !rand_serial(NULL, sno))
 548                                 goto end;
 549                         if (!X509_set_serialNumber(x, sno))
 550                                 goto end;
 551                         ASN1_INTEGER_free(sno);
 552                         sno = NULL;
 553                 } else if (!X509_set_serialNumber(x, sno))
 554                         goto end;
 555
 556                 if (!X509_set_issuer_name(x, req->req_info->subject))
 557                         goto end;
 558                 if (!X509_set_subject_name(x, req->req_info->subject))
 559                         goto end;
 560
 561                 X509_gmtime_adj(X509_get_notBefore(x), 0);
 562                 X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
 563
 564                 pkey = X509_REQ_get_pubkey(req);
 565                 X509_set_pubkey(x, pkey);
 566                 EVP_PKEY_free(pkey);
 567         } else
 568                 x = load_cert(bio_err, infile, informat, NULL, "Certificate");
 569
 570         if (x == NULL)
 571                 goto end;
 572         if (CA_flag) {
 573                 xca = load_cert(bio_err, CAfile, CAformat, NULL, "CA Certificate");
 574                 if (xca == NULL)
 575                         goto end;
 576         }
 577         if (!noout || text || next_serial) {
 578                 OBJ_create("2.99999.3",
 579                     "SET.ex3", "SET x509v3 extension 3");
 580
 581                 out = BIO_new(BIO_s_file());
 582                 if (out == NULL) {
 583                         ERR_print_errors(bio_err);
 584                         goto end;
 585                 }
 586                 if (outfile == NULL) {
 587                         BIO_set_fp(out, stdout, BIO_NOCLOSE);
 588                 } else {
 589                         if (BIO_write_filename(out, outfile) <= 0) {
 590                                 perror(outfile);
 591                                 goto end;
 592                         }
 593                 }
 594         }
 595         if (alias)
 596                 X509_alias_set1(x, (unsigned char *) alias, -1);
 597
 598         if (clrtrust)
 599                 X509_trust_clear(x);
 600         if (clrreject)
 601                 X509_reject_clear(x);
 602
 603         if (trust) {
 604                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
 605                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 606                         X509_add1_trust_object(x, objtmp);
 607                 }
 608         }
 609         if (reject) {
 610                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
 611                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 612                         X509_add1_reject_object(x, objtmp);
 613                 }
 614         }
 615         if (num) {
 616                 for (i = 1; i <= num; i++) {
 617                         if (issuer == i) {
 618                                 print_name(STDout, "issuer= ",
 619                                     X509_get_issuer_name(x), nmflag);
 620                         } else if (subject == i) {
 621                                 print_name(STDout, "subject= ",
 622                                     X509_get_subject_name(x), nmflag);
 623                         } else if (serial == i) {
 624                                 BIO_printf(STDout, "serial=");
 625                                 i2a_ASN1_INTEGER(STDout,
 626                                     X509_get_serialNumber(x));
 627                                 BIO_printf(STDout, "\n");
 628                         } else if (next_serial == i) {
 629                                 BIGNUM *bnser;
 630                                 ASN1_INTEGER *ser;
 631                                 ser = X509_get_serialNumber(x);
 632                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 633                                 if (!bnser)
 634                                         goto end;
 635                                 if (!BN_add_word(bnser, 1))
 636                                         goto end;
 637                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 638                                 if (!ser)
 639                                         goto end;
 640                                 BN_free(bnser);
 641                                 i2a_ASN1_INTEGER(out, ser);
 642                                 ASN1_INTEGER_free(ser);
 643                                 BIO_puts(out, "\n");
 644                         } else if ((email == i) || (ocsp_uri == i)) {
 645                                 int j;
 646                                 STACK_OF(OPENSSL_STRING) *emlst;
 647                                 if (email == i)
 648                                         emlst = X509_get1_email(x);
 649                                 else
 650                                         emlst = X509_get1_ocsp(x);
 651                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
 652                                         BIO_printf(STDout, "%s\n",
 653                                             sk_OPENSSL_STRING_value(emlst, j));
 654                                 X509_email_free(emlst);
 655                         } else if (aliasout == i) {
 656                                 unsigned char *alstr;
 657                                 alstr = X509_alias_get0(x, NULL);
 658                                 if (alstr)
 659                                         BIO_printf(STDout, "%s\n", alstr);
 660                                 else
 661                                         BIO_puts(STDout, "<No Alias>\n");
 662                         } else if (subject_hash == i) {
 663                                 BIO_printf(STDout, "%08lx\n", X509_subject_name_hash(x));
 664                         }
 665 #ifndef OPENSSL_NO_MD5
 666                         else if (subject_hash_old == i) {
 667                                 BIO_printf(STDout, "%08lx\n", X509_subject_name_hash_old(x));
 668                         }
 669 #endif
 670                         else if (issuer_hash == i) {
 671                                 BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash(x));
 672                         }
 673 #ifndef OPENSSL_NO_MD5
 674                         else if (issuer_hash_old == i) {
 675                                 BIO_printf(STDout, "%08lx\n", X509_issuer_name_hash_old(x));
 676                         }
 677 #endif
 678                         else if (pprint == i) {
 679                                 X509_PURPOSE *ptmp;
 680                                 int j;
 681                                 BIO_printf(STDout, "Certificate purposes:\n");
 682                                 for (j = 0; j < X509_PURPOSE_get_count(); j++) {
 683                                         ptmp = X509_PURPOSE_get0(j);
 684                                         purpose_print(STDout, x, ptmp);
 685                                 }
 686                         } else if (modulus == i) {
 687                                 EVP_PKEY *pkey;
 688
 689                                 pkey = X509_get_pubkey(x);
 690                                 if (pkey == NULL) {
 691                                         BIO_printf(bio_err, "Modulus=unavailable\n");
 692                                         ERR_print_errors(bio_err);
 693                                         goto end;
 694                                 }
 695                                 BIO_printf(STDout, "Modulus=");
 696                                 if (pkey->type == EVP_PKEY_RSA)
 697                                         BN_print(STDout, pkey->pkey.rsa->n);
 698                                 else
 699                                                 if (pkey->type == EVP_PKEY_DSA)
 700                                                         BN_print(STDout, pkey->pkey.dsa->pub_key);
 701                                 else
 702                                                 BIO_printf(STDout, "Wrong Algorithm type");
 703                                 BIO_printf(STDout, "\n");
 704                                 EVP_PKEY_free(pkey);
 705                         } else if (pubkey == i) {
 706                                 EVP_PKEY *pkey;
 707
 708                                 pkey = X509_get_pubkey(x);
 709                                 if (pkey == NULL) {
 710                                         BIO_printf(bio_err, "Error getting public key\n");
 711                                         ERR_print_errors(bio_err);
 712                                         goto end;
 713                                 }
 714                                 PEM_write_bio_PUBKEY(STDout, pkey);
 715                                 EVP_PKEY_free(pkey);
 716                         } else if (C == i) {
 717                                 unsigned char *d;
 718                                 char *m;
 719                                 int y, z;
 720
 721                                 X509_NAME_oneline(X509_get_subject_name(x),
 722                                     buf, sizeof buf);
 723                                 BIO_printf(STDout, "/* subject:%s */\n", buf);
 724                                 m = X509_NAME_oneline(
 725                                     X509_get_issuer_name(x), buf,
 726                                     sizeof buf);
 727                                 BIO_printf(STDout, "/* issuer :%s */\n", buf);
 728
 729                                 z = i2d_X509(x, NULL);
 730                                 m = malloc(z);
 731                                 if (m == NULL) {
 732                                         BIO_printf(bio_err, "out of mem\n");
 733                                         goto end;
 734                                 }
 735
 736                                 d = (unsigned char *) m;
 737                                 z = i2d_X509_NAME(X509_get_subject_name(x), &d);
 738                                 BIO_printf(STDout, "unsigned char XXX_subject_name[%d]={\n", z);
 739                                 d = (unsigned char *) m;
 740                                 for (y = 0; y < z; y++) {
 741                                         BIO_printf(STDout, "0x%02X,", d[y]);
 742                                         if ((y & 0x0f) == 0x0f)
 743                                                 BIO_printf(STDout, "\n");
 744                                 }
 745                                 if (y % 16 != 0)
 746                                         BIO_printf(STDout, "\n");
 747                                 BIO_printf(STDout, "};\n");
 748
 749                                 z = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
 750                                 BIO_printf(STDout, "unsigned char XXX_public_key[%d]={\n", z);
 751                                 d = (unsigned char *) m;
 752                                 for (y = 0; y < z; y++) {
 753                                         BIO_printf(STDout, "0x%02X,", d[y]);
 754                                         if ((y & 0x0f) == 0x0f)
 755                                                 BIO_printf(STDout, "\n");
 756                                 }
 757                                 if (y % 16 != 0)
 758                                         BIO_printf(STDout, "\n");
 759                                 BIO_printf(STDout, "};\n");
 760
 761                                 z = i2d_X509(x, &d);
 762                                 BIO_printf(STDout, "unsigned char XXX_certificate[%d]={\n", z);
 763                                 d = (unsigned char *) m;
 764                                 for (y = 0; y < z; y++) {
 765                                         BIO_printf(STDout, "0x%02X,", d[y]);
 766                                         if ((y & 0x0f) == 0x0f)
 767                                                 BIO_printf(STDout, "\n");
 768                                 }
 769                                 if (y % 16 != 0)
 770                                         BIO_printf(STDout, "\n");
 771                                 BIO_printf(STDout, "};\n");
 772
 773                                 free(m);
 774                         } else if (text == i) {
 775                                 X509_print_ex(STDout, x, nmflag, certflag);
 776                         } else if (startdate == i) {
 777                                 BIO_puts(STDout, "notBefore=");
 778                                 ASN1_TIME_print(STDout, X509_get_notBefore(x));
 779                                 BIO_puts(STDout, "\n");
 780                         } else if (enddate == i) {
 781                                 BIO_puts(STDout, "notAfter=");
 782                                 ASN1_TIME_print(STDout, X509_get_notAfter(x));
 783                                 BIO_puts(STDout, "\n");
 784                         } else if (fingerprint == i) {
 785                                 int j;
 786                                 unsigned int n;
 787                                 unsigned char md[EVP_MAX_MD_SIZE];
 788                                 const EVP_MD *fdig = digest;
 789
 790                                 if (!fdig)
 791                                         fdig = EVP_sha1();
 792
 793                                 if (!X509_digest(x, fdig, md, &n)) {
 794                                         BIO_printf(bio_err, "out of memory\n");
 795                                         goto end;
 796                                 }
 797                                 BIO_printf(STDout, "%s Fingerprint=",
 798                                     OBJ_nid2sn(EVP_MD_type(fdig)));
 799                                 for (j = 0; j < (int) n; j++) {
 800                                         BIO_printf(STDout, "%02X%c", md[j],
 801                                             (j + 1 == (int)n) ? '\n' : ':');
 802                                 }
 803                         }
 804                         /* should be in the library */
 805                         else if ((sign_flag == i) && (x509req == 0)) {
 806                                 BIO_printf(bio_err, "Getting Private key\n");
 807                                 if (Upkey == NULL) {
 808                                         Upkey = load_key(bio_err,
 809                                             keyfile, keyformat, 0,
 810                                             passin, "Private key");
 811                                         if (Upkey == NULL)
 812                                                 goto end;
 813                                 }
 814                                 if (!sign(x, Upkey, days, clrext, digest,
 815                                     extconf, extsect))
 816                                         goto end;
 817                         } else if (CA_flag == i) {
 818                                 BIO_printf(bio_err, "Getting CA Private Key\n");
 819                                 if (CAkeyfile != NULL) {
 820                                         CApkey = load_key(bio_err,
 821                                             CAkeyfile, CAkeyformat,
 822                                             0, passin, "CA Private Key");
 823                                         if (CApkey == NULL)
 824                                                 goto end;
 825                                 }
 826                                 if (!x509_certify(ctx, CAfile, digest, x, xca,
 827                                     CApkey, sigopts,
 828                                     CAserial, CA_createserial, days, clrext,
 829                                     extconf, extsect, sno))
 830                                         goto end;
 831                         } else if (x509req == i) {
 832                                 EVP_PKEY *pk;
 833
 834                                 BIO_printf(bio_err, "Getting request Private Key\n");
 835                                 if (keyfile == NULL) {
 836                                         BIO_printf(bio_err, "no request key file specified\n");
 837                                         goto end;
 838                                 } else {
 839                                         pk = load_key(bio_err,
 840                                             keyfile, keyformat, 0,
 841                                             passin, "request key");
 842                                         if (pk == NULL)
 843                                                 goto end;
 844                                 }
 845
 846                                 BIO_printf(bio_err, "Generating certificate request\n");
 847
 848                                 rq = X509_to_X509_REQ(x, pk, digest);
 849                                 EVP_PKEY_free(pk);
 850                                 if (rq == NULL) {
 851                                         ERR_print_errors(bio_err);
 852                                         goto end;
 853                                 }
 854                                 if (!noout) {
 855                                         X509_REQ_print(out, rq);
 856                                         PEM_write_bio_X509_REQ(out, rq);
 857                                 }
 858                                 noout = 1;
 859                         } else if (ocspid == i) {
 860                                 X509_ocspid_print(out, x);
 861                         }
 862                 }
 863         }
 864         if (checkend) {
 865                 time_t tcheck = time(NULL) + checkoffset;
 866
 867                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) {
 868                         BIO_printf(out, "Certificate will expire\n");
 869                         ret = 1;
 870                 } else {
 871                         BIO_printf(out, "Certificate will not expire\n");
 872                         ret = 0;
 873                 }
 874                 goto end;
 875         }
 876         if (noout) {
 877                 ret = 0;
 878                 goto end;
 879         }
 880         if (outformat == FORMAT_ASN1)
 881                 i = i2d_X509_bio(out, x);
 882         else if (outformat == FORMAT_PEM) {
 883                 if (trustout)
 884                         i = PEM_write_bio_X509_AUX(out, x);
 885                 else
 886                         i = PEM_write_bio_X509(out, x);
 887         } else if (outformat == FORMAT_NETSCAPE) {
 888                 NETSCAPE_X509 nx;
 889                 ASN1_OCTET_STRING hdr;
 890
 891                 hdr.data = (unsigned char *) NETSCAPE_CERT_HDR;
 892                 hdr.length = strlen(NETSCAPE_CERT_HDR);
 893                 nx.header = &hdr;
 894                 nx.cert = x;
 895
 896                 i = ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509), out, &nx);
 897         } else {
 898                 BIO_printf(bio_err, "bad output format specified for outfile\n");
 899                 goto end;
 900         }
 901         if (!i) {
 902                 BIO_printf(bio_err, "unable to write certificate\n");
 903                 ERR_print_errors(bio_err);
 904                 goto end;
 905         }
 906         ret = 0;
 907
 908 end:
 909         OBJ_cleanup();
 910         NCONF_free(extconf);
 911         BIO_free_all(out);
 912         BIO_free_all(STDout);
 913         X509_STORE_free(ctx);
 914         X509_REQ_free(req);
 915         X509_free(x);
 916         X509_free(xca);
 917         EVP_PKEY_free(Upkey);
 918         EVP_PKEY_free(CApkey);
 919         if (sigopts)
 920                 sk_OPENSSL_STRING_free(sigopts);
 921         X509_REQ_free(rq);
 922         ASN1_INTEGER_free(sno);
 923         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 924         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 925         free(passin);
 926
 927         return (ret);
 928 }
 929
 930 static ASN1_INTEGER *
 931 x509_load_serial(char *CAfile, char *serialfile, int create)
 932 {
 933         char *buf = NULL, *p;
 934         ASN1_INTEGER *bs = NULL;
 935         BIGNUM *serial = NULL;
 936         size_t len;
 937
 938         len = ((serialfile == NULL) ? (strlen(CAfile) + strlen(POSTFIX) + 1) :
 939             (strlen(serialfile))) + 1;
 940         buf = malloc(len);
 941         if (buf == NULL) {
 942                 BIO_printf(bio_err, "out of mem\n");
 943                 goto end;
 944         }
 945         if (serialfile == NULL) {
 946                 strlcpy(buf, CAfile, len);
 947                 for (p = buf; *p; p++)
 948                         if (*p == '.') {
 949                                 *p = '\0';
 950                                 break;
 951                         }
 952                 strlcat(buf, POSTFIX, len);
 953         } else
 954                 strlcpy(buf, serialfile, len);
 955
 956         serial = load_serial(buf, create, NULL);
 957         if (serial == NULL)
 958                 goto end;
 959
 960         if (!BN_add_word(serial, 1)) {
 961                 BIO_printf(bio_err, "add_word failure\n");
 962                 goto end;
 963         }
 964         if (!save_serial(buf, NULL, serial, &bs))
 965                 goto end;
 966
 967 end:
 968         free(buf);
 969         BN_free(serial);
 970
 971         return bs;
 972 }
 973
 974 static int
 975 x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest, X509 *x,
 976     X509 *xca, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *sigopts,
 977     char *serialfile, int create, int days, int clrext, CONF *conf,
 978     char *section, ASN1_INTEGER *sno)
 979 {
 980         int ret = 0;
 981         ASN1_INTEGER *bs = NULL;
 982         X509_STORE_CTX xsc;
 983         EVP_PKEY *upkey;
 984
 985         upkey = X509_get_pubkey(xca);
 986         EVP_PKEY_copy_parameters(upkey, pkey);
 987         EVP_PKEY_free(upkey);
 988
 989         if (!X509_STORE_CTX_init(&xsc, ctx, x, NULL)) {
 990                 BIO_printf(bio_err, "Error initialising X509 store\n");
 991                 goto end;
 992         }
 993         if (sno)
 994                 bs = sno;
 995         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
 996                 goto end;
 997
 998 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
 999
1000         /*
1001          * NOTE: this certificate can/should be self signed, unless it was a
1002          * certificate request in which case it is not.
1003          */
1004         X509_STORE_CTX_set_cert(&xsc, x);
1005         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1006         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1007                 goto end;
1008
1009         if (!X509_check_private_key(xca, pkey)) {
1010                 BIO_printf(bio_err, "CA certificate and CA private key do not match\n");
1011                 goto end;
1012         }
1013         if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
1014                 goto end;
1015         if (!X509_set_serialNumber(x, bs))
1016                 goto end;
1017
1018         if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
1019                 goto end;
1020
1021         /* hardwired expired */
1022         if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
1023                 goto end;
1024
1025         if (clrext) {
1026                 while (X509_get_ext_count(x) > 0)
1027                         X509_delete_ext(x, 0);
1028         }
1029         if (conf) {
1030                 X509V3_CTX ctx2;
1031                 X509_set_version(x, 2); /* version 3 certificate */
1032                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1033                 X509V3_set_nconf(&ctx2, conf);
1034                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))
1035                         goto end;
1036         }
1037         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1038                 goto end;
1039         ret = 1;
1040 end:
1041         X509_STORE_CTX_cleanup(&xsc);
1042         if (!ret)
1043                 ERR_print_errors(bio_err);
1044         if (!sno)
1045                 ASN1_INTEGER_free(bs);
1046         return ret;
1047 }
1048
1049 static int
1050 callb(int ok, X509_STORE_CTX *ctx)
1051 {
1052         int err;
1053         X509 *err_cert;
1054
1055         /*
1056          * it is ok to use a self signed certificate This case will catch
1057          * both the initial ok == 0 and the final ok == 1 calls to this
1058          * function
1059          */
1060         err = X509_STORE_CTX_get_error(ctx);
1061         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1062                 return 1;
1063
1064         /*
1065          * BAD we should have gotten an error.  Normally if everything worked
1066          * X509_STORE_CTX_get_error(ctx) will still be set to
1067          * DEPTH_ZERO_SELF_....
1068          */
1069         if (ok) {
1070                 BIO_printf(bio_err, "error with certificate to be certified - should be self signed\n");
1071                 return 0;
1072         } else {
1073                 err_cert = X509_STORE_CTX_get_current_cert(ctx);
1074                 print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1075                 BIO_printf(bio_err, "error with certificate - error %d at depth %d\n%s\n",
1076                     err, X509_STORE_CTX_get_error_depth(ctx),
1077                     X509_verify_cert_error_string(err));
1078                 return 1;
1079         }
1080 }
1081
1082 /* self sign */
1083 static int
1084 sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1085     CONF *conf, char *section)
1086 {
1087
1088         EVP_PKEY *pktmp;
1089
1090         pktmp = X509_get_pubkey(x);
1091         EVP_PKEY_copy_parameters(pktmp, pkey);
1092         EVP_PKEY_save_parameters(pktmp, 1);
1093         EVP_PKEY_free(pktmp);
1094
1095         if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
1096                 goto err;
1097         if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
1098                 goto err;
1099
1100         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1101         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1102         /* 28 days to be certified */
1103
1104         if (X509_gmtime_adj(X509_get_notAfter(x),
1105             (long) 60 * 60 * 24 * days) == NULL)
1106                 goto err;
1107
1108         if (!X509_set_pubkey(x, pkey))
1109                 goto err;
1110         if (clrext) {
1111                 while (X509_get_ext_count(x) > 0)
1112                         X509_delete_ext(x, 0);
1113         }
1114         if (conf) {
1115                 X509V3_CTX ctx;
1116                 X509_set_version(x, 2); /* version 3 certificate */
1117                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1118                 X509V3_set_nconf(&ctx, conf);
1119                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))
1120                         goto err;
1121         }
1122         if (!X509_sign(x, pkey, digest))
1123                 goto err;
1124         return 1;
1125
1126 err:
1127         ERR_print_errors(bio_err);
1128         return 0;
1129 }
1130
1131 static int
1132 purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1133 {
1134         int id, i, idret;
1135         char *pname;
1136
1137         id = X509_PURPOSE_get_id(pt);
1138         pname = X509_PURPOSE_get0_name(pt);
1139         for (i = 0; i < 2; i++) {
1140                 idret = X509_check_purpose(cert, id, i);
1141                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1142                 if (idret == 1)
1143                         BIO_printf(bio, "Yes\n");
1144                 else if (idret == 0)
1145                         BIO_printf(bio, "No\n");
1146                 else
1147                         BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1148         }
1149         return 1;
1150 }