apps/x509.c

   1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   2  * All rights reserved.
   3  *
   4  * This package is an SSL implementation written
   5  * by Eric Young (eay@cryptsoft.com).
   6  * The implementation was written so as to conform with Netscapes SSL.
   7  *
   8  * This library is free for commercial and non-commercial use as long as
   9  * the following conditions are aheared to.  The following conditions
  10  * apply to all code found in this distribution, be it the RC4, RSA,
  11  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  12  * included with this distribution is covered by the same copyright terms
  13  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14  *
  15  * Copyright remains Eric Young's, and as such any Copyright notices in
  16  * the code are not to be removed.
  17  * If this package is used in a product, Eric Young should be given attribution
  18  * as the author of the parts of the library used.
  19  * This can be in the form of a textual message at program startup or
  20  * in documentation (online or textual) provided with the package.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. All advertising materials mentioning features or use of this software
  31  *    must display the following acknowledgement:
  32  *    "This product includes cryptographic software written by
  33  *     Eric Young (eay@cryptsoft.com)"
  34  *    The word 'cryptographic' can be left out if the rouines from the library
  35  *    being used are not cryptographic related :-).
  36  * 4. If you include any Windows specific code (or a derivative thereof) from
  37  *    the apps directory (application code) you must include an acknowledgement:
  38  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39  *
  40  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50  * SUCH DAMAGE.
  51  *
  52  * The licence and distribution terms for any publically available version or
  53  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  54  * copied and put under another distribution licence
  55  * [including the GNU Public Licence.]
  56  */
  57
  58 #include <stdio.h>
  59 #include <stdlib.h>
  60 #include <string.h>
  61 #include "apps.h"
  62 #include <openssl/bio.h>
  63 #include <openssl/asn1.h>
  64 #include <openssl/err.h>
  65 #include <openssl/bn.h>
  66 #include <openssl/evp.h>
  67 #include <openssl/x509.h>
  68 #include <openssl/x509v3.h>
  69 #include <openssl/objects.h>
  70 #include <openssl/pem.h>
  71 #ifndef OPENSSL_NO_RSA
  72 # include <openssl/rsa.h>
  73 #endif
  74 #ifndef OPENSSL_NO_DSA
  75 # include <openssl/dsa.h>
  76 #endif
  77
  78 #undef POSTFIX
  79 #define POSTFIX ".srl"
  80 #define DEF_DAYS        30
  81
  82 static int callb(int ok, X509_STORE_CTX *ctx);
  83 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
  84                 const EVP_MD *digest, CONF *conf, char *section);
  85 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
  86                         X509 *x, X509 *xca, EVP_PKEY *pkey,
  87                         STACK_OF(OPENSSL_STRING) *sigopts, char *serial,
  88                         int create, int days, int clrext, CONF *conf,
  89                         char *section, ASN1_INTEGER *sno, int reqfile);
  90 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
  91
  92 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
  93 static int force_version = 2;
  94 #endif
  95
  96 typedef enum OPTION_choice {
  97     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  98     OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,
  99     OPT_CAKEYFORM, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,
 100     OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_SIGNKEY, OPT_CA,
 101     OPT_CAKEY, OPT_CASERIAL, OPT_SET_SERIAL, OPT_FORCE_PUBKEY,
 102     OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_NAMEOPT,
 103     OPT_C, OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,
 104     OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,
 105     OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,
 106     OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,
 107     OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,
 108     OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,
 109     OPT_SUBJECT_HASH_OLD,
 110     OPT_ISSUER_HASH_OLD,
 111     OPT_FORCE_VERSION,
 112     OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT
 113 } OPTION_CHOICE;
 114
 115 OPTIONS x509_options[] = {
 116     {"help", OPT_HELP, '-', "Display this summary"},
 117     {"inform", OPT_INFORM, 'f',
 118      "Input format - default PEM (one of DER, NET or PEM)"},
 119     {"in", OPT_IN, '<', "Input file - default stdin"},
 120     {"outform", OPT_OUTFORM, 'f',
 121      "Output format - default PEM (one of DER, NET or PEM)"},
 122     {"out", OPT_OUT, '>', "Output file - default stdout"},
 123     {"keyform", OPT_KEYFORM, 'F', "Private key format - default PEM"},
 124     {"passin", OPT_PASSIN, 's', "Private key password source"},
 125     {"serial", OPT_SERIAL, '-', "Print serial number value"},
 126     {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
 127     {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
 128     {"hash", OPT_HASH, '-', "Synonym for -subject_hash"},
 129     {"subject", OPT_SUBJECT, '-', "Print subject DN"},
 130     {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
 131     {"email", OPT_EMAIL, '-', "Print email address(es)"},
 132     {"startdate", OPT_STARTDATE, '-', "Set notBefore field"},
 133     {"enddate", OPT_ENDDATE, '-', "Set notAfter field"},
 134     {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
 135     {"dates", OPT_DATES, '-', "Both Before and After dates"},
 136     {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
 137     {"pubkey", OPT_PUBKEY, '-', "Output the public key"},
 138     {"fingerprint", OPT_FINGERPRINT, '-',
 139      "Print the certificate fingerprint"},
 140     {"alias", OPT_ALIAS, '-', "Output certificate alias"},
 141     {"noout", OPT_NOOUT, '-', "No output, just status"},
 142     {"nocert", OPT_NOCERT, '-', "No certificate output"},
 143     {"ocspid", OPT_OCSPID, '-',
 144      "Print OCSP hash values for the subject name and public key"},
 145     {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
 146     {"trustout", OPT_TRUSTOUT, '-', "Output a trusted certificate"},
 147     {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
 148     {"clrext", OPT_CLREXT, '-', "Clear all rejected purposes"},
 149     {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
 150     {"addreject", OPT_ADDREJECT, 's',
 151      "Reject certificate for a given purpose"},
 152     {"setalias", OPT_SETALIAS, 's', "Set certificate alias"},
 153     {"days", OPT_DAYS, 'n',
 154      "How long till expiry of a signed certificate - def 30 days"},
 155     {"checkend", OPT_CHECKEND, 'p',
 156      "Check whether the cert expires in the next arg seconds"},
 157     {OPT_MORE_STR, 1, 1, "Exit 1 if so, 0 if not"},
 158     {"signkey", OPT_SIGNKEY, '<', "Self sign cert with arg"},
 159     {"x509toreq", OPT_X509TOREQ, '-',
 160      "Output a certification request object"},
 161     {"req", OPT_REQ, '-', "Input is a certificate request, sign and output"},
 162     {"CA", OPT_CA, '<', "Set the CA certificate, must be PEM format"},
 163     {"CAkey", OPT_CAKEY, '<',
 164      "The CA key, must be PEM format; if not in CAfile"},
 165     {"CAcreateserial", OPT_CACREATESERIAL, '-',
 166      "Create serial number file if it does not exist"},
 167     {"CAserial", OPT_CASERIAL, 's', "Serial file"},
 168     {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
 169     {"text", OPT_TEXT, '-', "Print the certificate in text form"},
 170     {"C", OPT_C, '-', "Print out C code forms"},
 171     {"extfile", OPT_EXTFILE, '<', "File with X509V3 extensions to add"},
 172     {"extensions", OPT_EXTENSIONS, 's', "Section from config file to use"},
 173     {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
 174     {"certopt", OPT_CERTOPT, 's', "Various certificate text options"},
 175     {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
 176     {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
 177     {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
 178     {"CAform", OPT_CAFORM, 'F', "CA format - default PEM"},
 179     {"CAkeyform", OPT_CAKEYFORM, 'F', "CA key format - default PEM"},
 180     {"sigopt", OPT_SIGOPT, 's'},
 181     {"force_pubkey", OPT_FORCE_PUBKEY, '<'},
 182     {"next_serial", OPT_NEXT_SERIAL, '-'},
 183     {"clrreject", OPT_CLRREJECT, '-'},
 184     {"badsig", OPT_BADSIG, '-'},
 185     {"", OPT_MD, '-', "Any supported digest"},
 186 #ifndef OPENSSL_NO_MD5
 187     {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
 188      "Print old-style (MD5) issuer hash value"},
 189     {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
 190      "Print old-style (MD5) subject hash value"},
 191 #endif
 192 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
 193     {"force_version", OPT_FORCE_VERSION, 'p'},
 194 #endif
 195 #ifndef OPENSSL_NO_ENGINE
 196     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 197 #endif
 198     {NULL}
 199 };
 200
 201 int x509_main(int argc, char **argv)
 202 {
 203     ASN1_INTEGER *sno = NULL;
 204     ASN1_OBJECT *objtmp;
 205     BIO *out = NULL;
 206     CONF *extconf = NULL;
 207     EVP_PKEY *Upkey = NULL, *CApkey = NULL, *fkey = NULL;
 208     STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 209     STACK_OF(OPENSSL_STRING) *sigopts = NULL;
 210     X509 *x = NULL, *xca = NULL;
 211     X509_REQ *req = NULL, *rq = NULL;
 212     X509_STORE *ctx = NULL;
 213     const EVP_MD *digest = NULL;
 214     char *CAkeyfile = NULL, *CAserial = NULL, *fkeyfile = NULL, *alias = NULL;
 215     char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
 216     char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
 217     char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
 218     char buf[256], *prog;
 219     int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0, pprint = 0;
 220     int C = 0, CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;
 221     int fingerprint = 0, reqfile = 0, need_rand = 0, checkend = 0;
 222     int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
 223     int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
 224     int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0, email = 0;
 225     int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
 226     int ret = 1, i, num = 0, badsig = 0, clrext = 0, nocert = 0;
 227     int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0;
 228     int checkoffset = 0, enddate = 0;
 229     unsigned long nmflag = 0, certflag = 0;
 230     OPTION_CHOICE o;
 231     ENGINE *e = NULL;
 232 #ifndef OPENSSL_NO_MD5
 233     int subject_hash_old = 0, issuer_hash_old = 0;
 234 #endif
 235
 236     ctx = X509_STORE_new();
 237     if (ctx == NULL)
 238         goto end;
 239     X509_STORE_set_verify_cb(ctx, callb);
 240
 241     prog = opt_init(argc, argv, x509_options);
 242     while ((o = opt_next()) != OPT_EOF) {
 243         switch (o) {
 244         case OPT_EOF:
 245         case OPT_ERR:
 246  opthelp:
 247             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 248             goto end;
 249         case OPT_HELP:
 250             opt_help(x509_options);
 251             ret = 0;
 252             goto end;
 253         case OPT_INFORM:
 254             if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
 255                 goto opthelp;
 256             break;
 257         case OPT_IN:
 258             infile = opt_arg();
 259             break;
 260         case OPT_OUTFORM:
 261             if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
 262                 goto opthelp;
 263             break;
 264         case OPT_KEYFORM:
 265             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
 266                 goto opthelp;
 267             break;
 268         case OPT_CAFORM:
 269             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAformat))
 270                 goto opthelp;
 271             break;
 272         case OPT_CAKEYFORM:
 273             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAkeyformat))
 274                 goto opthelp;
 275             break;
 276         case OPT_OUT:
 277             outfile = opt_arg();
 278             break;
 279         case OPT_REQ:
 280             reqfile = need_rand = 1;
 281             break;
 282
 283         case OPT_SIGOPT:
 284             if (!sigopts)
 285                 sigopts = sk_OPENSSL_STRING_new_null();
 286             if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
 287                 goto opthelp;
 288             break;
 289         case OPT_FORCE_VERSION:
 290 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
 291             force_version = atoi(opt_arg()) - 1;
 292 #endif
 293             break;
 294         case OPT_DAYS:
 295             days = atoi(opt_arg());
 296             break;
 297         case OPT_PASSIN:
 298             passinarg = opt_arg();
 299             break;
 300         case OPT_EXTFILE:
 301             extfile = opt_arg();
 302             break;
 303         case OPT_EXTENSIONS:
 304             extsect = opt_arg();
 305             break;
 306         case OPT_SIGNKEY:
 307             keyfile = opt_arg();
 308             sign_flag = ++num;
 309             need_rand = 1;
 310             break;
 311         case OPT_CA:
 312             CAfile = opt_arg();
 313             CA_flag = ++num;
 314             need_rand = 1;
 315             break;
 316         case OPT_CAKEY:
 317             CAkeyfile = opt_arg();
 318             break;
 319         case OPT_CASERIAL:
 320             CAserial = opt_arg();
 321             break;
 322         case OPT_SET_SERIAL:
 323             if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
 324                 goto opthelp;
 325             break;
 326         case OPT_FORCE_PUBKEY:
 327             fkeyfile = opt_arg();
 328             break;
 329         case OPT_ADDTRUST:
 330             if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
 331                 BIO_printf(bio_err,
 332                            "%s: Invalid trust object value %s\n",
 333                            prog, opt_arg());
 334                 goto opthelp;
 335             }
 336             if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
 337                 goto end;
 338             sk_ASN1_OBJECT_push(trust, objtmp);
 339             trustout = 1;
 340             break;
 341         case OPT_ADDREJECT:
 342             if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
 343                 BIO_printf(bio_err,
 344                            "%s: Invalid reject object value %s\n",
 345                            prog, opt_arg());
 346                 goto opthelp;
 347             }
 348             if (reject == NULL
 349                 && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
 350                 goto end;
 351             sk_ASN1_OBJECT_push(reject, objtmp);
 352             trustout = 1;
 353             break;
 354         case OPT_SETALIAS:
 355             alias = opt_arg();
 356             trustout = 1;
 357             break;
 358         case OPT_CERTOPT:
 359             if (!set_cert_ex(&certflag, opt_arg()))
 360                 goto opthelp;
 361             break;
 362         case OPT_NAMEOPT:
 363             if (!set_name_ex(&nmflag, opt_arg()))
 364                 goto opthelp;
 365             break;
 366         case OPT_ENGINE:
 367             e = setup_engine(opt_arg(), 0);
 368             break;
 369         case OPT_C:
 370             C = ++num;
 371             break;
 372         case OPT_EMAIL:
 373             email = ++num;
 374             break;
 375         case OPT_OCSP_URI:
 376             ocsp_uri = ++num;
 377             break;
 378         case OPT_SERIAL:
 379             serial = ++num;
 380             break;
 381         case OPT_NEXT_SERIAL:
 382             next_serial = ++num;
 383             break;
 384         case OPT_MODULUS:
 385             modulus = ++num;
 386             break;
 387         case OPT_PUBKEY:
 388             pubkey = ++num;
 389             break;
 390         case OPT_X509TOREQ:
 391             x509req = ++num;
 392             break;
 393         case OPT_TEXT:
 394             text = ++num;
 395             break;
 396         case OPT_SUBJECT:
 397             subject = ++num;
 398             break;
 399         case OPT_ISSUER:
 400             issuer = ++num;
 401             break;
 402         case OPT_FINGERPRINT:
 403             fingerprint = ++num;
 404             break;
 405         case OPT_HASH:
 406             subject_hash = ++num;
 407             break;
 408         case OPT_ISSUER_HASH:
 409             issuer_hash = ++num;
 410             break;
 411         case OPT_PURPOSE:
 412             pprint = ++num;
 413             break;
 414         case OPT_STARTDATE:
 415             startdate = ++num;
 416             break;
 417         case OPT_ENDDATE:
 418             enddate = ++num;
 419             break;
 420         case OPT_NOOUT:
 421             noout = ++num;
 422             break;
 423         case OPT_NOCERT:
 424             nocert = 1;
 425             break;
 426         case OPT_TRUSTOUT:
 427             trustout = 1;
 428             break;
 429         case OPT_CLRTRUST:
 430             clrtrust = ++num;
 431             break;
 432         case OPT_CLRREJECT:
 433             clrreject = ++num;
 434             break;
 435         case OPT_ALIAS:
 436             aliasout = ++num;
 437             break;
 438         case OPT_CACREATESERIAL:
 439             CA_createserial = ++num;
 440             break;
 441         case OPT_CLREXT:
 442             clrext = 1;
 443             break;
 444         case OPT_OCSPID:
 445             ocspid = ++num;
 446             break;
 447         case OPT_BADSIG:
 448             badsig = 1;
 449             break;
 450 #ifndef OPENSSL_NO_MD5
 451         case OPT_SUBJECT_HASH_OLD:
 452             subject_hash_old = ++num;
 453             break;
 454         case OPT_ISSUER_HASH_OLD:
 455             issuer_hash_old = ++num;
 456             break;
 457 #else
 458         case OPT_SUBJECT_HASH_OLD:
 459         case OPT_ISSUER_HASH_OLD:
 460             break;
 461 #endif
 462         case OPT_DATES:
 463             startdate = ++num;
 464             enddate = ++num;
 465             break;
 466         case OPT_CHECKEND:
 467             checkoffset = atoi(opt_arg());
 468             checkend = 1;
 469             break;
 470         case OPT_CHECKHOST:
 471             checkhost = opt_arg();
 472             break;
 473         case OPT_CHECKEMAIL:
 474             checkemail = opt_arg();
 475             break;
 476         case OPT_CHECKIP:
 477             checkip = opt_arg();
 478             break;
 479         case OPT_MD:
 480             if (!opt_md(opt_unknown(), &digest))
 481                 goto opthelp;
 482         }
 483     }
 484     argc = opt_num_rest();
 485     argv = opt_rest();
 486     if (argc != 0) {
 487         BIO_printf(bio_err, "%s: Unknown parameter %s\n", prog, argv[0]);
 488         goto opthelp;
 489     }
 490
 491     if (!app_load_modules(NULL))
 492         goto end;
 493
 494     out = bio_open_default(outfile, "w");
 495     if (out == NULL)
 496         goto end;
 497
 498     if (need_rand)
 499         app_RAND_load_file(NULL, 0);
 500
 501     if (!app_passwd(passinarg, NULL, &passin, NULL)) {
 502         BIO_printf(bio_err, "Error getting password\n");
 503         goto end;
 504     }
 505
 506     if (!X509_STORE_set_default_paths(ctx)) {
 507         ERR_print_errors(bio_err);
 508         goto end;
 509     }
 510
 511     if (fkeyfile) {
 512         fkey = load_pubkey(fkeyfile, keyformat, 0, NULL, e, "Forced key");
 513         if (fkey == NULL)
 514             goto end;
 515     }
 516
 517     if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
 518         CAkeyfile = CAfile;
 519     } else if ((CA_flag) && (CAkeyfile == NULL)) {
 520         BIO_printf(bio_err,
 521                    "need to specify a CAkey if using the CA command\n");
 522         goto end;
 523     }
 524
 525     if (extfile) {
 526         X509V3_CTX ctx2;
 527         if ((extconf = app_load_config(extfile)) == NULL)
 528             goto end;
 529         if (!extsect) {
 530             extsect = NCONF_get_string(extconf, "default", "extensions");
 531             if (!extsect) {
 532                 ERR_clear_error();
 533                 extsect = "default";
 534             }
 535         }
 536         X509V3_set_ctx_test(&ctx2);
 537         X509V3_set_nconf(&ctx2, extconf);
 538         if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
 539             BIO_printf(bio_err,
 540                        "Error Loading extension section %s\n", extsect);
 541             ERR_print_errors(bio_err);
 542             goto end;
 543         }
 544     }
 545
 546     if (reqfile) {
 547         EVP_PKEY *pkey;
 548         BIO *in;
 549
 550         if (!sign_flag && !CA_flag) {
 551             BIO_printf(bio_err, "We need a private key to sign with\n");
 552             goto end;
 553         }
 554         in = bio_open_default(infile, "r");
 555         if (in == NULL)
 556             goto end;
 557         req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
 558         BIO_free(in);
 559
 560         if (req == NULL) {
 561             ERR_print_errors(bio_err);
 562             goto end;
 563         }
 564
 565         if ((req->req_info == NULL) ||
 566             (req->req_info->pubkey == NULL) ||
 567             (req->req_info->pubkey->public_key == NULL) ||
 568             (req->req_info->pubkey->public_key->data == NULL)) {
 569             BIO_printf(bio_err,
 570                        "The certificate request appears to corrupted\n");
 571             BIO_printf(bio_err, "It does not contain a public key\n");
 572             goto end;
 573         }
 574         if ((pkey = X509_REQ_get_pubkey(req)) == NULL) {
 575             BIO_printf(bio_err, "error unpacking public key\n");
 576             goto end;
 577         }
 578         i = X509_REQ_verify(req, pkey);
 579         EVP_PKEY_free(pkey);
 580         if (i < 0) {
 581             BIO_printf(bio_err, "Signature verification error\n");
 582             ERR_print_errors(bio_err);
 583             goto end;
 584         }
 585         if (i == 0) {
 586             BIO_printf(bio_err,
 587                        "Signature did not match the certificate request\n");
 588             goto end;
 589         } else
 590             BIO_printf(bio_err, "Signature ok\n");
 591
 592         print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),
 593                    nmflag);
 594
 595         if ((x = X509_new()) == NULL)
 596             goto end;
 597
 598         if (sno == NULL) {
 599             sno = ASN1_INTEGER_new();
 600             if (!sno || !rand_serial(NULL, sno))
 601                 goto end;
 602             if (!X509_set_serialNumber(x, sno))
 603                 goto end;
 604             ASN1_INTEGER_free(sno);
 605             sno = NULL;
 606         } else if (!X509_set_serialNumber(x, sno))
 607             goto end;
 608
 609         if (!X509_set_issuer_name(x, req->req_info->subject))
 610             goto end;
 611         if (!X509_set_subject_name(x, req->req_info->subject))
 612             goto end;
 613
 614         X509_gmtime_adj(X509_get_notBefore(x), 0);
 615         X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
 616         if (fkey)
 617             X509_set_pubkey(x, fkey);
 618         else {
 619             pkey = X509_REQ_get_pubkey(req);
 620             X509_set_pubkey(x, pkey);
 621             EVP_PKEY_free(pkey);
 622         }
 623     } else
 624         x = load_cert(infile, informat, NULL, e, "Certificate");
 625
 626     if (x == NULL)
 627         goto end;
 628     if (CA_flag) {
 629         xca = load_cert(CAfile, CAformat, NULL, e, "CA Certificate");
 630         if (xca == NULL)
 631             goto end;
 632     }
 633
 634     if (!noout || text || next_serial) {
 635         OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");
 636
 637     }
 638
 639     if (alias)
 640         X509_alias_set1(x, (unsigned char *)alias, -1);
 641
 642     if (clrtrust)
 643         X509_trust_clear(x);
 644     if (clrreject)
 645         X509_reject_clear(x);
 646
 647     if (trust) {
 648         for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
 649             objtmp = sk_ASN1_OBJECT_value(trust, i);
 650             X509_add1_trust_object(x, objtmp);
 651         }
 652     }
 653
 654     if (reject) {
 655         for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
 656             objtmp = sk_ASN1_OBJECT_value(reject, i);
 657             X509_add1_reject_object(x, objtmp);
 658         }
 659     }
 660
 661     if (num) {
 662         for (i = 1; i <= num; i++) {
 663             if (issuer == i) {
 664                 print_name(out, "issuer= ", X509_get_issuer_name(x), nmflag);
 665             } else if (subject == i) {
 666                 print_name(out, "subject= ",
 667                            X509_get_subject_name(x), nmflag);
 668             } else if (serial == i) {
 669                 BIO_printf(out, "serial=");
 670                 i2a_ASN1_INTEGER(out, X509_get_serialNumber(x));
 671                 BIO_printf(out, "\n");
 672             } else if (next_serial == i) {
 673                 BIGNUM *bnser;
 674                 ASN1_INTEGER *ser;
 675                 ser = X509_get_serialNumber(x);
 676                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 677                 if (!bnser)
 678                     goto end;
 679                 if (!BN_add_word(bnser, 1))
 680                     goto end;
 681                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 682                 if (!ser)
 683                     goto end;
 684                 BN_free(bnser);
 685                 i2a_ASN1_INTEGER(out, ser);
 686                 ASN1_INTEGER_free(ser);
 687                 BIO_puts(out, "\n");
 688             } else if ((email == i) || (ocsp_uri == i)) {
 689                 int j;
 690                 STACK_OF(OPENSSL_STRING) *emlst;
 691                 if (email == i)
 692                     emlst = X509_get1_email(x);
 693                 else
 694                     emlst = X509_get1_ocsp(x);
 695                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
 696                     BIO_printf(out, "%s\n",
 697                                sk_OPENSSL_STRING_value(emlst, j));
 698                 X509_email_free(emlst);
 699             } else if (aliasout == i) {
 700                 unsigned char *alstr;
 701                 alstr = X509_alias_get0(x, NULL);
 702                 if (alstr)
 703                     BIO_printf(out, "%s\n", alstr);
 704                 else
 705                     BIO_puts(out, "<No Alias>\n");
 706             } else if (subject_hash == i) {
 707                 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
 708             }
 709 #ifndef OPENSSL_NO_MD5
 710             else if (subject_hash_old == i) {
 711                 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
 712             }
 713 #endif
 714             else if (issuer_hash == i) {
 715                 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
 716             }
 717 #ifndef OPENSSL_NO_MD5
 718             else if (issuer_hash_old == i) {
 719                 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
 720             }
 721 #endif
 722             else if (pprint == i) {
 723                 X509_PURPOSE *ptmp;
 724                 int j;
 725                 BIO_printf(out, "Certificate purposes:\n");
 726                 for (j = 0; j < X509_PURPOSE_get_count(); j++) {
 727                     ptmp = X509_PURPOSE_get0(j);
 728                     purpose_print(out, x, ptmp);
 729                 }
 730             } else if (modulus == i) {
 731                 EVP_PKEY *pkey;
 732
 733                 pkey = X509_get_pubkey(x);
 734                 if (pkey == NULL) {
 735                     BIO_printf(bio_err, "Modulus=unavailable\n");
 736                     ERR_print_errors(bio_err);
 737                     goto end;
 738                 }
 739                 BIO_printf(out, "Modulus=");
 740 #ifndef OPENSSL_NO_RSA
 741                 if (pkey->type == EVP_PKEY_RSA)
 742                     BN_print(out, pkey->pkey.rsa->n);
 743                 else
 744 #endif
 745 #ifndef OPENSSL_NO_DSA
 746                 if (pkey->type == EVP_PKEY_DSA)
 747                     BN_print(out, pkey->pkey.dsa->pub_key);
 748                 else
 749 #endif
 750                     BIO_printf(out, "Wrong Algorithm type");
 751                 BIO_printf(out, "\n");
 752                 EVP_PKEY_free(pkey);
 753             } else if (pubkey == i) {
 754                 EVP_PKEY *pkey;
 755
 756                 pkey = X509_get_pubkey(x);
 757                 if (pkey == NULL) {
 758                     BIO_printf(bio_err, "Error getting public key\n");
 759                     ERR_print_errors(bio_err);
 760                     goto end;
 761                 }
 762                 PEM_write_bio_PUBKEY(out, pkey);
 763                 EVP_PKEY_free(pkey);
 764             } else if (C == i) {
 765                 unsigned char *d;
 766                 char *m;
 767                 int len;
 768
 769                 X509_NAME_oneline(X509_get_subject_name(x), buf, sizeof buf);
 770                 BIO_printf(out, "/*\n"
 771                                 " * Subject: %s\n", buf);
 772
 773                 m = X509_NAME_oneline(X509_get_issuer_name(x), buf, sizeof buf);
 774                 BIO_printf(out, " * Issuer:  %s\n"
 775                                 " */\n", buf);
 776
 777                 len = i2d_X509(x, NULL);
 778                 m = app_malloc(len, "x509 name buffer");
 779                 d = (unsigned char *)m;
 780                 len = i2d_X509_NAME(X509_get_subject_name(x), &d);
 781                 print_array(out, "the_subject_name", len, (unsigned char *)m);
 782                 d = (unsigned char *)m;
 783                 len = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
 784                 print_array(out, "the_public_key", len, (unsigned char *)m);
 785                 d = (unsigned char *)m;
 786                 len = i2d_X509(x, &d);
 787                 print_array(out, "the_certificate", len, (unsigned char *)m);
 788                 OPENSSL_free(m);
 789             } else if (text == i) {
 790                 X509_print_ex(out, x, nmflag, certflag);
 791             } else if (startdate == i) {
 792                 BIO_puts(out, "notBefore=");
 793                 ASN1_TIME_print(out, X509_get_notBefore(x));
 794                 BIO_puts(out, "\n");
 795             } else if (enddate == i) {
 796                 BIO_puts(out, "notAfter=");
 797                 ASN1_TIME_print(out, X509_get_notAfter(x));
 798                 BIO_puts(out, "\n");
 799             } else if (fingerprint == i) {
 800                 int j;
 801                 unsigned int n;
 802                 unsigned char md[EVP_MAX_MD_SIZE];
 803                 const EVP_MD *fdig = digest;
 804
 805                 if (!fdig)
 806                     fdig = EVP_sha1();
 807
 808                 if (!X509_digest(x, fdig, md, &n)) {
 809                     BIO_printf(bio_err, "out of memory\n");
 810                     goto end;
 811                 }
 812                 BIO_printf(out, "%s Fingerprint=",
 813                            OBJ_nid2sn(EVP_MD_type(fdig)));
 814                 for (j = 0; j < (int)n; j++) {
 815                     BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n)
 816                                ? '\n' : ':');
 817                 }
 818             }
 819
 820             /* should be in the library */
 821             else if ((sign_flag == i) && (x509req == 0)) {
 822                 BIO_printf(bio_err, "Getting Private key\n");
 823                 if (Upkey == NULL) {
 824                     Upkey = load_key(keyfile, keyformat, 0,
 825                                      passin, e, "Private key");
 826                     if (Upkey == NULL)
 827                         goto end;
 828                 }
 829
 830                 assert(need_rand);
 831                 if (!sign(x, Upkey, days, clrext, digest, extconf, extsect))
 832                     goto end;
 833             } else if (CA_flag == i) {
 834                 BIO_printf(bio_err, "Getting CA Private Key\n");
 835                 if (CAkeyfile != NULL) {
 836                     CApkey = load_key(CAkeyfile, CAkeyformat,
 837                                       0, passin, e, "CA Private Key");
 838                     if (CApkey == NULL)
 839                         goto end;
 840                 }
 841
 842                 assert(need_rand);
 843                 if (!x509_certify(ctx, CAfile, digest, x, xca,
 844                                   CApkey, sigopts,
 845                                   CAserial, CA_createserial, days, clrext,
 846                                   extconf, extsect, sno, reqfile))
 847                     goto end;
 848             } else if (x509req == i) {
 849                 EVP_PKEY *pk;
 850
 851                 BIO_printf(bio_err, "Getting request Private Key\n");
 852                 if (keyfile == NULL) {
 853                     BIO_printf(bio_err, "no request key file specified\n");
 854                     goto end;
 855                 } else {
 856                     pk = load_key(keyfile, keyformat, 0,
 857                                   passin, e, "request key");
 858                     if (pk == NULL)
 859                         goto end;
 860                 }
 861
 862                 BIO_printf(bio_err, "Generating certificate request\n");
 863
 864                 rq = X509_to_X509_REQ(x, pk, digest);
 865                 EVP_PKEY_free(pk);
 866                 if (rq == NULL) {
 867                     ERR_print_errors(bio_err);
 868                     goto end;
 869                 }
 870                 if (!noout) {
 871                     X509_REQ_print(out, rq);
 872                     PEM_write_bio_X509_REQ(out, rq);
 873                 }
 874                 noout = 1;
 875             } else if (ocspid == i) {
 876                 X509_ocspid_print(out, x);
 877             }
 878         }
 879     }
 880
 881     if (checkend) {
 882         time_t tcheck = time(NULL) + checkoffset;
 883
 884         if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) {
 885             BIO_printf(out, "Certificate will expire\n");
 886             ret = 1;
 887         } else {
 888             BIO_printf(out, "Certificate will not expire\n");
 889             ret = 0;
 890         }
 891         goto end;
 892     }
 893
 894     print_cert_checks(out, x, checkhost, checkemail, checkip);
 895
 896     if (noout || nocert) {
 897         ret = 0;
 898         goto end;
 899     }
 900
 901     if (badsig)
 902         x->signature->data[x->signature->length - 1] ^= 0x1;
 903
 904     if (outformat == FORMAT_ASN1)
 905         i = i2d_X509_bio(out, x);
 906     else if (outformat == FORMAT_PEM) {
 907         if (trustout)
 908             i = PEM_write_bio_X509_AUX(out, x);
 909         else
 910             i = PEM_write_bio_X509(out, x);
 911     } else if (outformat == FORMAT_NETSCAPE) {
 912         NETSCAPE_X509 nx;
 913         ASN1_OCTET_STRING hdr;
 914
 915         hdr.data = (unsigned char *)NETSCAPE_CERT_HDR;
 916         hdr.length = strlen(NETSCAPE_CERT_HDR);
 917         nx.header = &hdr;
 918         nx.cert = x;
 919
 920         i = ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509), out, &nx);
 921     } else {
 922         BIO_printf(bio_err, "bad output format specified for outfile\n");
 923         goto end;
 924     }
 925     if (!i) {
 926         BIO_printf(bio_err, "unable to write certificate\n");
 927         ERR_print_errors(bio_err);
 928         goto end;
 929     }
 930     ret = 0;
 931  end:
 932     if (need_rand)
 933         app_RAND_write_file(NULL);
 934     OBJ_cleanup();
 935     NCONF_free(extconf);
 936     BIO_free_all(out);
 937     X509_STORE_free(ctx);
 938     X509_REQ_free(req);
 939     X509_free(x);
 940     X509_free(xca);
 941     EVP_PKEY_free(Upkey);
 942     EVP_PKEY_free(CApkey);
 943     EVP_PKEY_free(fkey);
 944     sk_OPENSSL_STRING_free(sigopts);
 945     X509_REQ_free(rq);
 946     ASN1_INTEGER_free(sno);
 947     sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 948     sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 949     OPENSSL_free(passin);
 950     return (ret);
 951 }
 952
 953 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile,
 954                                       int create)
 955 {
 956     char *buf = NULL, *p;
 957     ASN1_INTEGER *bs = NULL;
 958     BIGNUM *serial = NULL;
 959     size_t len;
 960
 961     len = ((serialfile == NULL)
 962            ? (strlen(CAfile) + strlen(POSTFIX) + 1)
 963            : (strlen(serialfile))) + 1;
 964     buf = app_malloc(len, "serial# buffer");
 965     if (serialfile == NULL) {
 966         BUF_strlcpy(buf, CAfile, len);
 967         for (p = buf; *p; p++)
 968             if (*p == '.') {
 969                 *p = '\0';
 970                 break;
 971             }
 972         BUF_strlcat(buf, POSTFIX, len);
 973     } else
 974         BUF_strlcpy(buf, serialfile, len);
 975
 976     serial = load_serial(buf, create, NULL);
 977     if (serial == NULL)
 978         goto end;
 979
 980     if (!BN_add_word(serial, 1)) {
 981         BIO_printf(bio_err, "add_word failure\n");
 982         goto end;
 983     }
 984
 985     if (!save_serial(buf, NULL, serial, &bs))
 986         goto end;
 987
 988  end:
 989     OPENSSL_free(buf);
 990     BN_free(serial);
 991     return bs;
 992 }
 993
 994 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 995                         X509 *x, X509 *xca, EVP_PKEY *pkey,
 996                         STACK_OF(OPENSSL_STRING) *sigopts,
 997                         char *serialfile, int create,
 998                         int days, int clrext, CONF *conf, char *section,
 999                         ASN1_INTEGER *sno, int reqfile)
1000 {
1001     int ret = 0;
1002     ASN1_INTEGER *bs = NULL;
1003     X509_STORE_CTX xsc;
1004     EVP_PKEY *upkey;
1005
1006     upkey = X509_get_pubkey(xca);
1007     EVP_PKEY_copy_parameters(upkey, pkey);
1008     EVP_PKEY_free(upkey);
1009
1010     if (!X509_STORE_CTX_init(&xsc, ctx, x, NULL)) {
1011         BIO_printf(bio_err, "Error initialising X509 store\n");
1012         goto end;
1013     }
1014     if (sno)
1015         bs = sno;
1016     else if ((bs = x509_load_serial(CAfile, serialfile, create)) == NULL)
1017         goto end;
1018
1019     /*
1020      * NOTE: this certificate can/should be self signed, unless it was a
1021      * certificate request in which case it is not.
1022      */
1023     X509_STORE_CTX_set_cert(&xsc, x);
1024     X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1025     if (!reqfile && X509_verify_cert(&xsc) <= 0)
1026         goto end;
1027
1028     if (!X509_check_private_key(xca, pkey)) {
1029         BIO_printf(bio_err,
1030                    "CA certificate and CA private key do not match\n");
1031         goto end;
1032     }
1033
1034     if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
1035         goto end;
1036     if (!X509_set_serialNumber(x, bs))
1037         goto end;
1038
1039     if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
1040         goto end;
1041
1042     /* hardwired expired */
1043     if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
1044         goto end;
1045
1046     if (clrext) {
1047         while (X509_get_ext_count(x) > 0)
1048             X509_delete_ext(x, 0);
1049     }
1050
1051     if (conf) {
1052         X509V3_CTX ctx2;
1053 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1054         X509_set_version(x, force_version);
1055 #else
1056         X509_set_version(x, 2); /* version 3 certificate */
1057 #endif
1058         X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1059         X509V3_set_nconf(&ctx2, conf);
1060         if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))
1061             goto end;
1062     }
1063
1064     if (!do_X509_sign(x, pkey, digest, sigopts))
1065         goto end;
1066     ret = 1;
1067  end:
1068     X509_STORE_CTX_cleanup(&xsc);
1069     if (!ret)
1070         ERR_print_errors(bio_err);
1071     if (!sno)
1072         ASN1_INTEGER_free(bs);
1073     return ret;
1074 }
1075
1076 static int callb(int ok, X509_STORE_CTX *ctx)
1077 {
1078     int err;
1079     X509 *err_cert;
1080
1081     /*
1082      * it is ok to use a self signed certificate This case will catch both
1083      * the initial ok == 0 and the final ok == 1 calls to this function
1084      */
1085     err = X509_STORE_CTX_get_error(ctx);
1086     if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1087         return 1;
1088
1089     /*
1090      * BAD we should have gotten an error.  Normally if everything worked
1091      * X509_STORE_CTX_get_error(ctx) will still be set to
1092      * DEPTH_ZERO_SELF_....
1093      */
1094     if (ok) {
1095         BIO_printf(bio_err,
1096                    "error with certificate to be certified - should be self signed\n");
1097         return 0;
1098     } else {
1099         err_cert = X509_STORE_CTX_get_current_cert(ctx);
1100         print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1101         BIO_printf(bio_err,
1102                    "error with certificate - error %d at depth %d\n%s\n", err,
1103                    X509_STORE_CTX_get_error_depth(ctx),
1104                    X509_verify_cert_error_string(err));
1105         return 1;
1106     }
1107 }
1108
1109 /* self sign */
1110 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
1111                 const EVP_MD *digest, CONF *conf, char *section)
1112 {
1113
1114     if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
1115         goto err;
1116     if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
1117         goto err;
1118
1119     if (X509_gmtime_adj(X509_get_notAfter(x), (long)60 * 60 * 24 * days) ==
1120         NULL)
1121         goto err;
1122
1123     if (!X509_set_pubkey(x, pkey))
1124         goto err;
1125     if (clrext) {
1126         while (X509_get_ext_count(x) > 0)
1127             X509_delete_ext(x, 0);
1128     }
1129     if (conf) {
1130         X509V3_CTX ctx;
1131 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1132         X509_set_version(x, force_version);
1133 #else
1134         X509_set_version(x, 2); /* version 3 certificate */
1135 #endif
1136         X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1137         X509V3_set_nconf(&ctx, conf);
1138         if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))
1139             goto err;
1140     }
1141     if (!X509_sign(x, pkey, digest))
1142         goto err;
1143     return 1;
1144  err:
1145     ERR_print_errors(bio_err);
1146     return 0;
1147 }
1148
1149 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1150 {
1151     int id, i, idret;
1152     char *pname;
1153     id = X509_PURPOSE_get_id(pt);
1154     pname = X509_PURPOSE_get0_name(pt);
1155     for (i = 0; i < 2; i++) {
1156         idret = X509_check_purpose(cert, id, i);
1157         BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1158         if (idret == 1)
1159             BIO_printf(bio, "Yes\n");
1160         else if (idret == 0)
1161             BIO_printf(bio, "No\n");
1162         else
1163             BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1164     }
1165     return 1;
1166 }