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 <assert.h>
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #include "apps.h"
  63 #include <openssl/bio.h>
  64 #include <openssl/asn1.h>
  65 #include <openssl/err.h>
  66 #include <openssl/bn.h>
  67 #include <openssl/evp.h>
  68 #include <openssl/x509.h>
  69 #include <openssl/x509v3.h>
  70 #include <openssl/objects.h>
  71 #include <openssl/pem.h>
  72 #ifndef OPENSSL_NO_RSA
  73 # include <openssl/rsa.h>
  74 #endif
  75 #ifndef OPENSSL_NO_DSA
  76 # include <openssl/dsa.h>
  77 #endif
  78
  79 #undef POSTFIX
  80 #define POSTFIX ".srl"
  81 #define DEF_DAYS        30
  82
  83 static int callb(int ok, X509_STORE_CTX *ctx);
  84 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
  85                 const EVP_MD *digest, CONF *conf, char *section);
  86 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
  87                         X509 *x, X509 *xca, EVP_PKEY *pkey,
  88                         STACK_OF(OPENSSL_STRING) *sigopts, char *serial,
  89                         int create, int days, int clrext, CONF *conf,
  90                         char *section, ASN1_INTEGER *sno, int reqfile);
  91 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
  92
  93 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
  94 static int force_version = 2;
  95 #endif
  96
  97 typedef enum OPTION_choice {
  98     OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
  99     OPT_INFORM, OPT_OUTFORM, OPT_KEYFORM, OPT_REQ, OPT_CAFORM,
 100     OPT_CAKEYFORM, OPT_SIGOPT, OPT_DAYS, OPT_PASSIN, OPT_EXTFILE,
 101     OPT_EXTENSIONS, OPT_IN, OPT_OUT, OPT_SIGNKEY, OPT_CA,
 102     OPT_CAKEY, OPT_CASERIAL, OPT_SET_SERIAL, OPT_FORCE_PUBKEY,
 103     OPT_ADDTRUST, OPT_ADDREJECT, OPT_SETALIAS, OPT_CERTOPT, OPT_NAMEOPT,
 104     OPT_C, OPT_EMAIL, OPT_OCSP_URI, OPT_SERIAL, OPT_NEXT_SERIAL,
 105     OPT_MODULUS, OPT_PUBKEY, OPT_X509TOREQ, OPT_TEXT, OPT_HASH,
 106     OPT_ISSUER_HASH, OPT_SUBJECT, OPT_ISSUER, OPT_FINGERPRINT, OPT_DATES,
 107     OPT_PURPOSE, OPT_STARTDATE, OPT_ENDDATE, OPT_CHECKEND, OPT_CHECKHOST,
 108     OPT_CHECKEMAIL, OPT_CHECKIP, OPT_NOOUT, OPT_TRUSTOUT, OPT_CLRTRUST,
 109     OPT_CLRREJECT, OPT_ALIAS, OPT_CACREATESERIAL, OPT_CLREXT, OPT_OCSPID,
 110 #ifndef OPENSSL_NO_MD5
 111     OPT_SUBJECT_HASH_OLD,
 112     OPT_ISSUER_HASH_OLD,
 113 #endif
 114 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
 115     OPT_FORCE_VERSION,
 116 #endif
 117     OPT_BADSIG, OPT_MD, OPT_ENGINE, OPT_NOCERT
 118 } OPTION_CHOICE;
 119
 120 OPTIONS x509_options[] = {
 121     {"help", OPT_HELP, '-', "Display this summary"},
 122     {"inform", OPT_INFORM, 'f',
 123      "Input format - default PEM (one of DER, NET or PEM)"},
 124     {"in", OPT_IN, '<', "Input file - default stdin"},
 125     {"outform", OPT_OUTFORM, 'f',
 126      "Output format - default PEM (one of DER, NET or PEM)"},
 127     {"out", OPT_OUT, '>', "Output file - default stdout"},
 128     {"keyform", OPT_KEYFORM, 'F', "Private key format - default PEM"},
 129     {"passin", OPT_PASSIN, 's', "Private key password source"},
 130     {"serial", OPT_SERIAL, '-', "Print serial number value"},
 131     {"subject_hash", OPT_HASH, '-', "Print subject hash value"},
 132     {"issuer_hash", OPT_ISSUER_HASH, '-', "Print issuer hash value"},
 133 #ifndef OPENSSL_NO_MD5
 134     {"subject_hash_old", OPT_SUBJECT_HASH_OLD, '-',
 135      "Print old-style (MD5) issuer hash value"},
 136     {"issuer_hash_old", OPT_ISSUER_HASH_OLD, '-',
 137      "Print old-style (MD5) subject hash value"},
 138 #endif
 139     {"hash", OPT_HASH, '-', "Synonym for -subject_hash"},
 140     {"subject", OPT_SUBJECT, '-', "Print subject DN"},
 141     {"issuer", OPT_ISSUER, '-', "Print issuer DN"},
 142     {"email", OPT_EMAIL, '-', "Print email address(es)"},
 143     {"startdate", OPT_STARTDATE, '-', "Set notBefore field"},
 144     {"enddate", OPT_ENDDATE, '-', "Set notAfter field"},
 145     {"purpose", OPT_PURPOSE, '-', "Print out certificate purposes"},
 146     {"dates", OPT_DATES, '-', "Both Before and After dates"},
 147     {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"},
 148     {"pubkey", OPT_PUBKEY, '-', "Output the public key"},
 149     {"fingerprint", OPT_FINGERPRINT, '-',
 150      "Print the certificate fingerprint"},
 151     {"alias", OPT_ALIAS, '-', "Output certificate alias"},
 152     {"noout", OPT_NOOUT, '-', "No output, just status"},
 153     {"nocert", OPT_NOCERT, '-', "No certificate output"},
 154     {"ocspid", OPT_OCSPID, '-',
 155      "Print OCSP hash values for the subject name and public key"},
 156     {"ocsp_uri", OPT_OCSP_URI, '-', "Print OCSP Responder URL(s)"},
 157     {"trustout", OPT_TRUSTOUT, '-', "Output a trusted certificate"},
 158     {"clrtrust", OPT_CLRTRUST, '-', "Clear all trusted purposes"},
 159     {"clrext", OPT_CLREXT, '-', "Clear all rejected purposes"},
 160     {"addtrust", OPT_ADDTRUST, 's', "Trust certificate for a given purpose"},
 161     {"addreject", OPT_ADDREJECT, 's',
 162      "Reject certificate for a given purpose"},
 163     {"setalias", OPT_SETALIAS, 's', "Set certificate alias"},
 164     {"days", OPT_DAYS, 'n',
 165      "How long till expiry of a signed certificate - def 30 days"},
 166     {"checkend", OPT_CHECKEND, 'p',
 167      "Check whether the cert expires in the next arg seconds"},
 168     {OPT_MORE_STR, 1, 1, "Exit 1 if so, 0 if not"},
 169     {"signkey", OPT_SIGNKEY, '<', "Self sign cert with arg"},
 170     {"x509toreq", OPT_X509TOREQ, '-',
 171      "Output a certification request object"},
 172     {"req", OPT_REQ, '-', "Input is a certificate request, sign and output"},
 173     {"CA", OPT_CA, '<', "Set the CA certificate, must be PEM format"},
 174     {"CAkey", OPT_CAKEY, '<',
 175      "The CA key, must be PEM format; if not in CAfile"},
 176     {"CAcreateserial", OPT_CACREATESERIAL, '-',
 177      "Create serial number file if it does not exist"},
 178     {"CAserial", OPT_CASERIAL, '<', "Serial file"},
 179     {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
 180     {"text", OPT_TEXT, '-', "Print the certificate in text form"},
 181     {"C", OPT_C, '-', "Print out C code forms"},
 182     {"extfile", OPT_EXTFILE, '<', "File with X509V3 extensions to add"},
 183     {"extensions", OPT_EXTENSIONS, 's', "Section from config file to use"},
 184     {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
 185     {"certopt", OPT_CERTOPT, 's', "Various certificate text options"},
 186     {"checkhost", OPT_CHECKHOST, 's', "Check certificate matches host"},
 187     {"checkemail", OPT_CHECKEMAIL, 's', "Check certificate matches email"},
 188     {"checkip", OPT_CHECKIP, 's', "Check certificate matches ipaddr"},
 189     {"CAform", OPT_CAFORM, 'F', "CA format - default PEM"},
 190     {"CAkeyform", OPT_CAKEYFORM, 'F', "CA key format - default PEM"},
 191     {"sigopt", OPT_SIGOPT, 's'},
 192     {"force_pubkey", OPT_FORCE_PUBKEY, '<'},
 193     {"next_serial", OPT_NEXT_SERIAL, '-'},
 194     {"clrreject", OPT_CLRREJECT, '-'},
 195     {"badsig", OPT_BADSIG, '-'},
 196     {"", OPT_MD, '-', "Any supported digest"},
 197 #ifndef OPENSSL_NO_ENGINE
 198     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
 199 #endif
 200 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
 201     {"force_version", OPT_FORCE_VERSION, 'p'},
 202 #endif
 203     {NULL}
 204 };
 205
 206 int x509_main(int argc, char **argv)
 207 {
 208     ASN1_INTEGER *sno = NULL;
 209     ASN1_OBJECT *objtmp;
 210     BIO *out = NULL;
 211     CONF *extconf = NULL;
 212     EVP_PKEY *Upkey = NULL, *CApkey = NULL, *fkey = NULL;
 213     STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 214     STACK_OF(OPENSSL_STRING) *sigopts = NULL;
 215     X509 *x = NULL, *xca = NULL;
 216     X509_REQ *req = NULL, *rq = NULL;
 217     X509_STORE *ctx = NULL;
 218     const EVP_MD *digest = NULL;
 219     char *CAkeyfile = NULL, *CAserial = NULL, *fkeyfile = NULL, *alias = NULL;
 220     char *checkhost = NULL, *checkemail = NULL, *checkip = NULL;
 221     char *extsect = NULL, *extfile = NULL, *passin = NULL, *passinarg = NULL;
 222     char *infile = NULL, *outfile = NULL, *keyfile = NULL, *CAfile = NULL;
 223     char buf[256], *prog;
 224     int x509req = 0, days = DEF_DAYS, modulus = 0, pubkey = 0, pprint = 0;
 225     int C = 0, CAformat = FORMAT_PEM, CAkeyformat = FORMAT_PEM;
 226     int fingerprint = 0, reqfile = 0, need_rand = 0, checkend = 0;
 227     int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyformat = FORMAT_PEM;
 228     int next_serial = 0, subject_hash = 0, issuer_hash = 0, ocspid = 0;
 229     int noout = 0, sign_flag = 0, CA_flag = 0, CA_createserial = 0, email = 0;
 230     int ocsp_uri = 0, trustout = 0, clrtrust = 0, clrreject = 0, aliasout = 0;
 231     int ret = 1, i, num = 0, badsig = 0, clrext = 0, nocert = 0;
 232     int text = 0, serial = 0, subject = 0, issuer = 0, startdate = 0;
 233     int checkoffset = 0, enddate = 0;
 234     unsigned long nmflag = 0, certflag = 0;
 235     OPTION_CHOICE o;
 236     ENGINE *e = NULL;
 237 #ifndef OPENSSL_NO_MD5
 238     int subject_hash_old = 0, issuer_hash_old = 0;
 239 #endif
 240
 241     ctx = X509_STORE_new();
 242     if (ctx == NULL)
 243         goto end;
 244     X509_STORE_set_verify_cb(ctx, callb);
 245
 246     prog = opt_init(argc, argv, x509_options);
 247     while ((o = opt_next()) != OPT_EOF) {
 248         switch (o) {
 249         case OPT_EOF:
 250         case OPT_ERR:
 251  opthelp:
 252             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 253             goto end;
 254         case OPT_HELP:
 255             opt_help(x509_options);
 256             ret = 0;
 257             goto end;
 258         case OPT_INFORM:
 259             if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
 260                 goto opthelp;
 261             break;
 262         case OPT_IN:
 263             infile = opt_arg();
 264             break;
 265         case OPT_OUTFORM:
 266             if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
 267                 goto opthelp;
 268             break;
 269         case OPT_KEYFORM:
 270             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
 271                 goto opthelp;
 272             break;
 273         case OPT_CAFORM:
 274             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAformat))
 275                 goto opthelp;
 276             break;
 277         case OPT_CAKEYFORM:
 278             if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &CAkeyformat))
 279                 goto opthelp;
 280             break;
 281         case OPT_OUT:
 282             outfile = opt_arg();
 283             break;
 284         case OPT_REQ:
 285             reqfile = need_rand = 1;
 286             break;
 287
 288         case OPT_SIGOPT:
 289             if (!sigopts)
 290                 sigopts = sk_OPENSSL_STRING_new_null();
 291             if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
 292                 goto opthelp;
 293             break;
 294 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
 295         case OPT_FORCE_VERSION:
 296             force_version = atoi(opt_arg()) - 1;
 297             break;
 298 #endif
 299         case OPT_DAYS:
 300             days = atoi(opt_arg());
 301             break;
 302         case OPT_PASSIN:
 303             passinarg = opt_arg();
 304             break;
 305         case OPT_EXTFILE:
 306             extfile = opt_arg();
 307             break;
 308         case OPT_EXTENSIONS:
 309             extsect = opt_arg();
 310             break;
 311         case OPT_SIGNKEY:
 312             keyfile = opt_arg();
 313             sign_flag = ++num;
 314             need_rand = 1;
 315             break;
 316         case OPT_CA:
 317             CAfile = opt_arg();
 318             CA_flag = ++num;
 319             need_rand = 1;
 320             break;
 321         case OPT_CAKEY:
 322             CAkeyfile = opt_arg();
 323             break;
 324         case OPT_CASERIAL:
 325             CAserial = opt_arg();
 326             break;
 327         case OPT_SET_SERIAL:
 328             if ((sno = s2i_ASN1_INTEGER(NULL, opt_arg())) == NULL)
 329                 goto opthelp;
 330             break;
 331         case OPT_FORCE_PUBKEY:
 332             fkeyfile = opt_arg();
 333             break;
 334         case OPT_ADDTRUST:
 335             if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
 336                 BIO_printf(bio_err,
 337                            "%s: Invalid trust object value %s\n",
 338                            prog, opt_arg());
 339                 goto opthelp;
 340             }
 341             if (trust == NULL && (trust = sk_ASN1_OBJECT_new_null()) == NULL)
 342                 goto end;
 343             sk_ASN1_OBJECT_push(trust, objtmp);
 344             trustout = 1;
 345             break;
 346         case OPT_ADDREJECT:
 347             if ((objtmp = OBJ_txt2obj(opt_arg(), 0)) == NULL) {
 348                 BIO_printf(bio_err,
 349                            "%s: Invalid reject object value %s\n",
 350                            prog, opt_arg());
 351                 goto opthelp;
 352             }
 353             if (reject == NULL
 354                 && (reject = sk_ASN1_OBJECT_new_null()) == NULL)
 355                 goto end;
 356             sk_ASN1_OBJECT_push(reject, objtmp);
 357             trustout = 1;
 358             break;
 359         case OPT_SETALIAS:
 360             alias = opt_arg();
 361             trustout = 1;
 362             break;
 363         case OPT_CERTOPT:
 364             if (!set_cert_ex(&certflag, opt_arg()))
 365                 goto opthelp;
 366             break;
 367         case OPT_NAMEOPT:
 368             if (!set_name_ex(&nmflag, opt_arg()))
 369                 goto opthelp;
 370             break;
 371         case OPT_ENGINE:
 372             e = setup_engine(opt_arg(), 0);
 373             break;
 374         case OPT_C:
 375             C = ++num;
 376             break;
 377         case OPT_EMAIL:
 378             email = ++num;
 379             break;
 380         case OPT_OCSP_URI:
 381             ocsp_uri = ++num;
 382             break;
 383         case OPT_SERIAL:
 384             serial = ++num;
 385             break;
 386         case OPT_NEXT_SERIAL:
 387             next_serial = ++num;
 388             break;
 389         case OPT_MODULUS:
 390             modulus = ++num;
 391             break;
 392         case OPT_PUBKEY:
 393             pubkey = ++num;
 394             break;
 395         case OPT_X509TOREQ:
 396             x509req = ++num;
 397             break;
 398         case OPT_TEXT:
 399             text = ++num;
 400             break;
 401         case OPT_SUBJECT:
 402             subject = ++num;
 403             break;
 404         case OPT_ISSUER:
 405             issuer = ++num;
 406             break;
 407         case OPT_FINGERPRINT:
 408             fingerprint = ++num;
 409             break;
 410         case OPT_HASH:
 411             subject_hash = ++num;
 412             break;
 413         case OPT_ISSUER_HASH:
 414             issuer_hash = ++num;
 415             break;
 416         case OPT_PURPOSE:
 417             pprint = ++num;
 418             break;
 419         case OPT_STARTDATE:
 420             startdate = ++num;
 421             break;
 422         case OPT_ENDDATE:
 423             enddate = ++num;
 424             break;
 425         case OPT_NOOUT:
 426             noout = ++num;
 427             break;
 428         case OPT_NOCERT:
 429             nocert = 1;
 430             break;
 431         case OPT_TRUSTOUT:
 432             trustout = 1;
 433             break;
 434         case OPT_CLRTRUST:
 435             clrtrust = ++num;
 436             break;
 437         case OPT_CLRREJECT:
 438             clrreject = ++num;
 439             break;
 440         case OPT_ALIAS:
 441             aliasout = ++num;
 442             break;
 443         case OPT_CACREATESERIAL:
 444             CA_createserial = ++num;
 445             break;
 446         case OPT_CLREXT:
 447             clrext = 1;
 448             break;
 449         case OPT_OCSPID:
 450             ocspid = ++num;
 451             break;
 452         case OPT_BADSIG:
 453             badsig = 1;
 454             break;
 455 #ifndef OPENSSL_NO_MD5
 456         case OPT_SUBJECT_HASH_OLD:
 457             subject_hash_old = ++num;
 458             break;
 459         case OPT_ISSUER_HASH_OLD:
 460             issuer_hash_old = ++num;
 461             break;
 462 #endif
 463         case OPT_DATES:
 464             startdate = ++num;
 465             enddate = ++num;
 466             break;
 467         case OPT_CHECKEND:
 468             checkoffset = atoi(opt_arg());
 469             checkend = 1;
 470             break;
 471         case OPT_CHECKHOST:
 472             checkhost = opt_arg();
 473             break;
 474         case OPT_CHECKEMAIL:
 475             checkemail = opt_arg();
 476             break;
 477         case OPT_CHECKIP:
 478             checkip = opt_arg();
 479             break;
 480         case OPT_MD:
 481             if (!opt_md(opt_unknown(), &digest))
 482                 goto opthelp;
 483         }
 484     }
 485     argc = opt_num_rest();
 486     argv = opt_rest();
 487     if (argc != 0) {
 488         BIO_printf(bio_err, "%s: Unknown parameter %s\n", prog, argv[0]);
 489         goto opthelp;
 490     }
 491
 492     out = bio_open_default(outfile, "w");
 493     if (out == NULL)
 494         goto end;
 495
 496     if (need_rand)
 497         app_RAND_load_file(NULL, 0);
 498
 499     if (!app_passwd(passinarg, NULL, &passin, NULL)) {
 500         BIO_printf(bio_err, "Error getting password\n");
 501         goto end;
 502     }
 503
 504     if (!X509_STORE_set_default_paths(ctx)) {
 505         ERR_print_errors(bio_err);
 506         goto end;
 507     }
 508
 509     if (fkeyfile) {
 510         fkey = load_pubkey(fkeyfile, keyformat, 0, NULL, e, "Forced key");
 511         if (fkey == NULL)
 512             goto end;
 513     }
 514
 515     if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM)) {
 516         CAkeyfile = CAfile;
 517     } else if ((CA_flag) && (CAkeyfile == NULL)) {
 518         BIO_printf(bio_err,
 519                    "need to specify a CAkey if using the CA command\n");
 520         goto end;
 521     }
 522
 523     if (extfile) {
 524         long errorline = -1;
 525         X509V3_CTX ctx2;
 526         extconf = NCONF_new(NULL);
 527         if (!NCONF_load(extconf, extfile, &errorline)) {
 528             if (errorline <= 0)
 529                 BIO_printf(bio_err,
 530                            "error loading the config file '%s'\n", extfile);
 531             else
 532                 BIO_printf(bio_err,
 533                            "error on line %ld of config file '%s'\n",
 534                            errorline, extfile);
 535             goto end;
 536         }
 537         if (!extsect) {
 538             extsect = NCONF_get_string(extconf, "default", "extensions");
 539             if (!extsect) {
 540                 ERR_clear_error();
 541                 extsect = "default";
 542             }
 543         }
 544         X509V3_set_ctx_test(&ctx2);
 545         X509V3_set_nconf(&ctx2, extconf);
 546         if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL)) {
 547             BIO_printf(bio_err,
 548                        "Error Loading extension section %s\n", extsect);
 549             ERR_print_errors(bio_err);
 550             goto end;
 551         }
 552     }
 553
 554     if (reqfile) {
 555         EVP_PKEY *pkey;
 556         BIO *in;
 557
 558         if (!sign_flag && !CA_flag) {
 559             BIO_printf(bio_err, "We need a private key to sign with\n");
 560             goto end;
 561         }
 562         in = bio_open_default(infile, "r");
 563         if (in == NULL)
 564             goto end;
 565         req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
 566         BIO_free(in);
 567
 568         if (req == NULL) {
 569             ERR_print_errors(bio_err);
 570             goto end;
 571         }
 572
 573         if ((req->req_info == NULL) ||
 574             (req->req_info->pubkey == NULL) ||
 575             (req->req_info->pubkey->public_key == NULL) ||
 576             (req->req_info->pubkey->public_key->data == NULL)) {
 577             BIO_printf(bio_err,
 578                        "The certificate request appears to corrupted\n");
 579             BIO_printf(bio_err, "It does not contain a public key\n");
 580             goto end;
 581         }
 582         if ((pkey = X509_REQ_get_pubkey(req)) == NULL) {
 583             BIO_printf(bio_err, "error unpacking public key\n");
 584             goto end;
 585         }
 586         i = X509_REQ_verify(req, pkey);
 587         EVP_PKEY_free(pkey);
 588         if (i < 0) {
 589             BIO_printf(bio_err, "Signature verification error\n");
 590             ERR_print_errors(bio_err);
 591             goto end;
 592         }
 593         if (i == 0) {
 594             BIO_printf(bio_err,
 595                        "Signature did not match the certificate request\n");
 596             goto end;
 597         } else
 598             BIO_printf(bio_err, "Signature ok\n");
 599
 600         print_name(bio_err, "subject=", X509_REQ_get_subject_name(req),
 601                    nmflag);
 602
 603         if ((x = X509_new()) == NULL)
 604             goto end;
 605
 606         if (sno == NULL) {
 607             sno = ASN1_INTEGER_new();
 608             if (!sno || !rand_serial(NULL, sno))
 609                 goto end;
 610             if (!X509_set_serialNumber(x, sno))
 611                 goto end;
 612             ASN1_INTEGER_free(sno);
 613             sno = NULL;
 614         } else if (!X509_set_serialNumber(x, sno))
 615             goto end;
 616
 617         if (!X509_set_issuer_name(x, req->req_info->subject))
 618             goto end;
 619         if (!X509_set_subject_name(x, req->req_info->subject))
 620             goto end;
 621
 622         X509_gmtime_adj(X509_get_notBefore(x), 0);
 623         X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL);
 624         if (fkey)
 625             X509_set_pubkey(x, fkey);
 626         else {
 627             pkey = X509_REQ_get_pubkey(req);
 628             X509_set_pubkey(x, pkey);
 629             EVP_PKEY_free(pkey);
 630         }
 631     } else
 632         x = load_cert(infile, informat, NULL, e, "Certificate");
 633
 634     if (x == NULL)
 635         goto end;
 636     if (CA_flag) {
 637         xca = load_cert(CAfile, CAformat, NULL, e, "CA Certificate");
 638         if (xca == NULL)
 639             goto end;
 640     }
 641
 642     if (!noout || text || next_serial) {
 643         OBJ_create("2.99999.3", "SET.ex3", "SET x509v3 extension 3");
 644
 645     }
 646
 647     if (alias)
 648         X509_alias_set1(x, (unsigned char *)alias, -1);
 649
 650     if (clrtrust)
 651         X509_trust_clear(x);
 652     if (clrreject)
 653         X509_reject_clear(x);
 654
 655     if (trust) {
 656         for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
 657             objtmp = sk_ASN1_OBJECT_value(trust, i);
 658             X509_add1_trust_object(x, objtmp);
 659         }
 660     }
 661
 662     if (reject) {
 663         for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
 664             objtmp = sk_ASN1_OBJECT_value(reject, i);
 665             X509_add1_reject_object(x, objtmp);
 666         }
 667     }
 668
 669     if (num) {
 670         for (i = 1; i <= num; i++) {
 671             if (issuer == i) {
 672                 print_name(out, "issuer= ", X509_get_issuer_name(x), nmflag);
 673             } else if (subject == i) {
 674                 print_name(out, "subject= ",
 675                            X509_get_subject_name(x), nmflag);
 676             } else if (serial == i) {
 677                 BIO_printf(out, "serial=");
 678                 i2a_ASN1_INTEGER(out, X509_get_serialNumber(x));
 679                 BIO_printf(out, "\n");
 680             } else if (next_serial == i) {
 681                 BIGNUM *bnser;
 682                 ASN1_INTEGER *ser;
 683                 ser = X509_get_serialNumber(x);
 684                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 685                 if (!bnser)
 686                     goto end;
 687                 if (!BN_add_word(bnser, 1))
 688                     goto end;
 689                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 690                 if (!ser)
 691                     goto end;
 692                 BN_free(bnser);
 693                 i2a_ASN1_INTEGER(out, ser);
 694                 ASN1_INTEGER_free(ser);
 695                 BIO_puts(out, "\n");
 696             } else if ((email == i) || (ocsp_uri == i)) {
 697                 int j;
 698                 STACK_OF(OPENSSL_STRING) *emlst;
 699                 if (email == i)
 700                     emlst = X509_get1_email(x);
 701                 else
 702                     emlst = X509_get1_ocsp(x);
 703                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
 704                     BIO_printf(out, "%s\n",
 705                                sk_OPENSSL_STRING_value(emlst, j));
 706                 X509_email_free(emlst);
 707             } else if (aliasout == i) {
 708                 unsigned char *alstr;
 709                 alstr = X509_alias_get0(x, NULL);
 710                 if (alstr)
 711                     BIO_printf(out, "%s\n", alstr);
 712                 else
 713                     BIO_puts(out, "<No Alias>\n");
 714             } else if (subject_hash == i) {
 715                 BIO_printf(out, "%08lx\n", X509_subject_name_hash(x));
 716             }
 717 #ifndef OPENSSL_NO_MD5
 718             else if (subject_hash_old == i) {
 719                 BIO_printf(out, "%08lx\n", X509_subject_name_hash_old(x));
 720             }
 721 #endif
 722             else if (issuer_hash == i) {
 723                 BIO_printf(out, "%08lx\n", X509_issuer_name_hash(x));
 724             }
 725 #ifndef OPENSSL_NO_MD5
 726             else if (issuer_hash_old == i) {
 727                 BIO_printf(out, "%08lx\n", X509_issuer_name_hash_old(x));
 728             }
 729 #endif
 730             else if (pprint == i) {
 731                 X509_PURPOSE *ptmp;
 732                 int j;
 733                 BIO_printf(out, "Certificate purposes:\n");
 734                 for (j = 0; j < X509_PURPOSE_get_count(); j++) {
 735                     ptmp = X509_PURPOSE_get0(j);
 736                     purpose_print(out, x, ptmp);
 737                 }
 738             } else if (modulus == i) {
 739                 EVP_PKEY *pkey;
 740
 741                 pkey = X509_get_pubkey(x);
 742                 if (pkey == NULL) {
 743                     BIO_printf(bio_err, "Modulus=unavailable\n");
 744                     ERR_print_errors(bio_err);
 745                     goto end;
 746                 }
 747                 BIO_printf(out, "Modulus=");
 748 #ifndef OPENSSL_NO_RSA
 749                 if (pkey->type == EVP_PKEY_RSA)
 750                     BN_print(out, pkey->pkey.rsa->n);
 751                 else
 752 #endif
 753 #ifndef OPENSSL_NO_DSA
 754                 if (pkey->type == EVP_PKEY_DSA)
 755                     BN_print(out, pkey->pkey.dsa->pub_key);
 756                 else
 757 #endif
 758                     BIO_printf(out, "Wrong Algorithm type");
 759                 BIO_printf(out, "\n");
 760                 EVP_PKEY_free(pkey);
 761             } else if (pubkey == i) {
 762                 EVP_PKEY *pkey;
 763
 764                 pkey = X509_get_pubkey(x);
 765                 if (pkey == NULL) {
 766                     BIO_printf(bio_err, "Error getting public key\n");
 767                     ERR_print_errors(bio_err);
 768                     goto end;
 769                 }
 770                 PEM_write_bio_PUBKEY(out, pkey);
 771                 EVP_PKEY_free(pkey);
 772             } else if (C == i) {
 773                 unsigned char *d;
 774                 char *m;
 775                 int len;
 776
 777                 X509_NAME_oneline(X509_get_subject_name(x), buf, sizeof buf);
 778                 BIO_printf(out, "/*\n"
 779                                 " * Subject: %s\n", buf);
 780
 781                 m = X509_NAME_oneline(X509_get_issuer_name(x), buf, sizeof buf);
 782                 BIO_printf(out, " * Issuer:  %s\n"
 783                                 " */\n", buf);
 784
 785                 len = i2d_X509(x, NULL);
 786                 m = OPENSSL_malloc(len);
 787                 if (!m) {
 788                     BIO_printf(bio_err, "Out of memory\n");
 789                     goto end;
 790                 }
 791
 792                 d = (unsigned char *)m;
 793                 len = i2d_X509_NAME(X509_get_subject_name(x), &d);
 794                 print_array(out, "the_subject_name", len, (unsigned char *)m);
 795                 d = (unsigned char *)m;
 796                 len = i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x), &d);
 797                 print_array(out, "the_public_key", len, (unsigned char *)m);
 798                 d = (unsigned char *)m;
 799                 len = i2d_X509(x, &d);
 800                 print_array(out, "the_certificate", len, (unsigned char *)m);
 801                 OPENSSL_free(m);
 802             } else if (text == i) {
 803                 X509_print_ex(out, x, nmflag, certflag);
 804             } else if (startdate == i) {
 805                 BIO_puts(out, "notBefore=");
 806                 ASN1_TIME_print(out, X509_get_notBefore(x));
 807                 BIO_puts(out, "\n");
 808             } else if (enddate == i) {
 809                 BIO_puts(out, "notAfter=");
 810                 ASN1_TIME_print(out, X509_get_notAfter(x));
 811                 BIO_puts(out, "\n");
 812             } else if (fingerprint == i) {
 813                 int j;
 814                 unsigned int n;
 815                 unsigned char md[EVP_MAX_MD_SIZE];
 816                 const EVP_MD *fdig = digest;
 817
 818                 if (!fdig)
 819                     fdig = EVP_sha1();
 820
 821                 if (!X509_digest(x, fdig, md, &n)) {
 822                     BIO_printf(bio_err, "out of memory\n");
 823                     goto end;
 824                 }
 825                 BIO_printf(out, "%s Fingerprint=",
 826                            OBJ_nid2sn(EVP_MD_type(fdig)));
 827                 for (j = 0; j < (int)n; j++) {
 828                     BIO_printf(out, "%02X%c", md[j], (j + 1 == (int)n)
 829                                ? '\n' : ':');
 830                 }
 831             }
 832
 833             /* should be in the library */
 834             else if ((sign_flag == i) && (x509req == 0)) {
 835                 BIO_printf(bio_err, "Getting Private key\n");
 836                 if (Upkey == NULL) {
 837                     Upkey = load_key(keyfile, keyformat, 0,
 838                                      passin, e, "Private key");
 839                     if (Upkey == NULL)
 840                         goto end;
 841                 }
 842
 843                 assert(need_rand);
 844                 if (!sign(x, Upkey, days, clrext, digest, extconf, extsect))
 845                     goto end;
 846             } else if (CA_flag == i) {
 847                 BIO_printf(bio_err, "Getting CA Private Key\n");
 848                 if (CAkeyfile != NULL) {
 849                     CApkey = load_key(CAkeyfile, CAkeyformat,
 850                                       0, passin, e, "CA Private Key");
 851                     if (CApkey == NULL)
 852                         goto end;
 853                 }
 854
 855                 assert(need_rand);
 856                 if (!x509_certify(ctx, CAfile, digest, x, xca,
 857                                   CApkey, sigopts,
 858                                   CAserial, CA_createserial, days, clrext,
 859                                   extconf, extsect, sno, reqfile))
 860                     goto end;
 861             } else if (x509req == i) {
 862                 EVP_PKEY *pk;
 863
 864                 BIO_printf(bio_err, "Getting request Private Key\n");
 865                 if (keyfile == NULL) {
 866                     BIO_printf(bio_err, "no request key file specified\n");
 867                     goto end;
 868                 } else {
 869                     pk = load_key(keyfile, keyformat, 0,
 870                                   passin, e, "request key");
 871                     if (pk == NULL)
 872                         goto end;
 873                 }
 874
 875                 BIO_printf(bio_err, "Generating certificate request\n");
 876
 877                 rq = X509_to_X509_REQ(x, pk, digest);
 878                 EVP_PKEY_free(pk);
 879                 if (rq == NULL) {
 880                     ERR_print_errors(bio_err);
 881                     goto end;
 882                 }
 883                 if (!noout) {
 884                     X509_REQ_print(out, rq);
 885                     PEM_write_bio_X509_REQ(out, rq);
 886                 }
 887                 noout = 1;
 888             } else if (ocspid == i) {
 889                 X509_ocspid_print(out, x);
 890             }
 891         }
 892     }
 893
 894     if (checkend) {
 895         time_t tcheck = time(NULL) + checkoffset;
 896
 897         if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0) {
 898             BIO_printf(out, "Certificate will expire\n");
 899             ret = 1;
 900         } else {
 901             BIO_printf(out, "Certificate will not expire\n");
 902             ret = 0;
 903         }
 904         goto end;
 905     }
 906
 907     print_cert_checks(out, x, checkhost, checkemail, checkip);
 908
 909     if (noout || nocert) {
 910         ret = 0;
 911         goto end;
 912     }
 913
 914     if (badsig)
 915         x->signature->data[x->signature->length - 1] ^= 0x1;
 916
 917     if (outformat == FORMAT_ASN1)
 918         i = i2d_X509_bio(out, x);
 919     else if (outformat == FORMAT_PEM) {
 920         if (trustout)
 921             i = PEM_write_bio_X509_AUX(out, x);
 922         else
 923             i = PEM_write_bio_X509(out, x);
 924     } else if (outformat == FORMAT_NETSCAPE) {
 925         NETSCAPE_X509 nx;
 926         ASN1_OCTET_STRING hdr;
 927
 928         hdr.data = (unsigned char *)NETSCAPE_CERT_HDR;
 929         hdr.length = strlen(NETSCAPE_CERT_HDR);
 930         nx.header = &hdr;
 931         nx.cert = x;
 932
 933         i = ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509), out, &nx);
 934     } else {
 935         BIO_printf(bio_err, "bad output format specified for outfile\n");
 936         goto end;
 937     }
 938     if (!i) {
 939         BIO_printf(bio_err, "unable to write certificate\n");
 940         ERR_print_errors(bio_err);
 941         goto end;
 942     }
 943     ret = 0;
 944  end:
 945     if (need_rand)
 946         app_RAND_write_file(NULL);
 947     OBJ_cleanup();
 948     NCONF_free(extconf);
 949     BIO_free_all(out);
 950     X509_STORE_free(ctx);
 951     X509_REQ_free(req);
 952     X509_free(x);
 953     X509_free(xca);
 954     EVP_PKEY_free(Upkey);
 955     EVP_PKEY_free(CApkey);
 956     EVP_PKEY_free(fkey);
 957     if (sigopts)
 958         sk_OPENSSL_STRING_free(sigopts);
 959     X509_REQ_free(rq);
 960     ASN1_INTEGER_free(sno);
 961     sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 962     sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 963     if (passin)
 964         OPENSSL_free(passin);
 965     return (ret);
 966 }
 967
 968 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile,
 969                                       int create)
 970 {
 971     char *buf = NULL, *p;
 972     ASN1_INTEGER *bs = NULL;
 973     BIGNUM *serial = NULL;
 974     size_t len;
 975
 976     len = ((serialfile == NULL)
 977            ? (strlen(CAfile) + strlen(POSTFIX) + 1)
 978            : (strlen(serialfile))) + 1;
 979     buf = OPENSSL_malloc(len);
 980     if (buf == NULL) {
 981         BIO_printf(bio_err, "out of mem\n");
 982         goto end;
 983     }
 984     if (serialfile == NULL) {
 985         BUF_strlcpy(buf, CAfile, len);
 986         for (p = buf; *p; p++)
 987             if (*p == '.') {
 988                 *p = '\0';
 989                 break;
 990             }
 991         BUF_strlcat(buf, POSTFIX, len);
 992     } else
 993         BUF_strlcpy(buf, serialfile, len);
 994
 995     serial = load_serial(buf, create, NULL);
 996     if (serial == NULL)
 997         goto end;
 998
 999     if (!BN_add_word(serial, 1)) {
1000         BIO_printf(bio_err, "add_word failure\n");
1001         goto end;
1002     }
1003
1004     if (!save_serial(buf, NULL, serial, &bs))
1005         goto end;
1006
1007  end:
1008     if (buf)
1009         OPENSSL_free(buf);
1010     BN_free(serial);
1011     return bs;
1012 }
1013
1014 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1015                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1016                         STACK_OF(OPENSSL_STRING) *sigopts,
1017                         char *serialfile, int create,
1018                         int days, int clrext, CONF *conf, char *section,
1019                         ASN1_INTEGER *sno, int reqfile)
1020 {
1021     int ret = 0;
1022     ASN1_INTEGER *bs = NULL;
1023     X509_STORE_CTX xsc;
1024     EVP_PKEY *upkey;
1025
1026     upkey = X509_get_pubkey(xca);
1027     EVP_PKEY_copy_parameters(upkey, pkey);
1028     EVP_PKEY_free(upkey);
1029
1030     if (!X509_STORE_CTX_init(&xsc, ctx, x, NULL)) {
1031         BIO_printf(bio_err, "Error initialising X509 store\n");
1032         goto end;
1033     }
1034     if (sno)
1035         bs = sno;
1036     else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1037         goto end;
1038
1039 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1040
1041     /*
1042      * NOTE: this certificate can/should be self signed, unless it was a
1043      * certificate request in which case it is not.
1044      */
1045     X509_STORE_CTX_set_cert(&xsc, x);
1046     X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1047     if (!reqfile && X509_verify_cert(&xsc) <= 0)
1048         goto end;
1049
1050     if (!X509_check_private_key(xca, pkey)) {
1051         BIO_printf(bio_err,
1052                    "CA certificate and CA private key do not match\n");
1053         goto end;
1054     }
1055
1056     if (!X509_set_issuer_name(x, X509_get_subject_name(xca)))
1057         goto end;
1058     if (!X509_set_serialNumber(x, bs))
1059         goto end;
1060
1061     if (X509_gmtime_adj(X509_get_notBefore(x), 0L) == NULL)
1062         goto end;
1063
1064     /* hardwired expired */
1065     if (X509_time_adj_ex(X509_get_notAfter(x), days, 0, NULL) == NULL)
1066         goto end;
1067
1068     if (clrext) {
1069         while (X509_get_ext_count(x) > 0)
1070             X509_delete_ext(x, 0);
1071     }
1072
1073     if (conf) {
1074         X509V3_CTX ctx2;
1075 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1076         X509_set_version(x, force_version);
1077 #else
1078         X509_set_version(x, 2); /* version 3 certificate */
1079 #endif
1080         X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1081         X509V3_set_nconf(&ctx2, conf);
1082         if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x))
1083             goto end;
1084     }
1085
1086     if (!do_X509_sign(x, pkey, digest, sigopts))
1087         goto end;
1088     ret = 1;
1089  end:
1090     X509_STORE_CTX_cleanup(&xsc);
1091     if (!ret)
1092         ERR_print_errors(bio_err);
1093     if (!sno)
1094         ASN1_INTEGER_free(bs);
1095     return ret;
1096 }
1097
1098 static int callb(int ok, X509_STORE_CTX *ctx)
1099 {
1100     int err;
1101     X509 *err_cert;
1102
1103     /*
1104      * it is ok to use a self signed certificate This case will catch both
1105      * the initial ok == 0 and the final ok == 1 calls to this function
1106      */
1107     err = X509_STORE_CTX_get_error(ctx);
1108     if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1109         return 1;
1110
1111     /*
1112      * BAD we should have gotten an error.  Normally if everything worked
1113      * X509_STORE_CTX_get_error(ctx) will still be set to
1114      * DEPTH_ZERO_SELF_....
1115      */
1116     if (ok) {
1117         BIO_printf(bio_err,
1118                    "error with certificate to be certified - should be self signed\n");
1119         return 0;
1120     } else {
1121         err_cert = X509_STORE_CTX_get_current_cert(ctx);
1122         print_name(bio_err, NULL, X509_get_subject_name(err_cert), 0);
1123         BIO_printf(bio_err,
1124                    "error with certificate - error %d at depth %d\n%s\n", err,
1125                    X509_STORE_CTX_get_error_depth(ctx),
1126                    X509_verify_cert_error_string(err));
1127         return 1;
1128     }
1129 }
1130
1131 /* self sign */
1132 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
1133                 const EVP_MD *digest, CONF *conf, char *section)
1134 {
1135
1136     if (!X509_set_issuer_name(x, X509_get_subject_name(x)))
1137         goto err;
1138     if (X509_gmtime_adj(X509_get_notBefore(x), 0) == NULL)
1139         goto err;
1140
1141     if (X509_gmtime_adj(X509_get_notAfter(x), (long)60 * 60 * 24 * days) ==
1142         NULL)
1143         goto err;
1144
1145     if (!X509_set_pubkey(x, pkey))
1146         goto err;
1147     if (clrext) {
1148         while (X509_get_ext_count(x) > 0)
1149             X509_delete_ext(x, 0);
1150     }
1151     if (conf) {
1152         X509V3_CTX ctx;
1153 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1154         X509_set_version(x, force_version);
1155 #else
1156         X509_set_version(x, 2); /* version 3 certificate */
1157 #endif
1158         X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1159         X509V3_set_nconf(&ctx, conf);
1160         if (!X509V3_EXT_add_nconf(conf, &ctx, section, x))
1161             goto err;
1162     }
1163     if (!X509_sign(x, pkey, digest))
1164         goto err;
1165     return 1;
1166  err:
1167     ERR_print_errors(bio_err);
1168     return 0;
1169 }
1170
1171 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1172 {
1173     int id, i, idret;
1174     char *pname;
1175     id = X509_PURPOSE_get_id(pt);
1176     pname = X509_PURPOSE_get0_name(pt);
1177     for (i = 0; i < 2; i++) {
1178         idret = X509_check_purpose(cert, id, i);
1179         BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1180         if (idret == 1)
1181             BIO_printf(bio, "Yes\n");
1182         else if (idret == 0)
1183             BIO_printf(bio, "No\n");
1184         else
1185             BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1186     }
1187     return 1;
1188 }