apps/x509.c

   1 /* apps/x509.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <assert.h>
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/asn1.h>
  69 #include <openssl/err.h>
  70 #include <openssl/bn.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76 #include <openssl/engine.h>
  77
  78 #undef PROG
  79 #define PROG x509_main
  80
  81 #undef POSTFIX
  82 #define POSTFIX ".srl"
  83 #define DEF_DAYS        30
  84
  85 static char *x509_usage[]={
  86 "usage: x509 args\n",
  87 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  88 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  89 " -keyform arg    - private key format - default PEM\n",
  90 " -CAform arg     - CA format - default PEM\n",
  91 " -CAkeyform arg  - CA key format - default PEM\n",
  92 " -in arg         - input file - default stdin\n",
  93 " -out arg        - output file - default stdout\n",
  94 " -passin arg     - private key password source\n",
  95 " -serial         - print serial number value\n",
  96 " -hash           - print hash value\n",
  97 " -subject        - print subject DN\n",
  98 " -issuer         - print issuer DN\n",
  99 " -email          - print email address(es)\n",
 100 " -startdate      - notBefore field\n",
 101 " -enddate        - notAfter field\n",
 102 " -purpose        - print out certificate purposes\n",
 103 " -dates          - both Before and After dates\n",
 104 " -modulus        - print the RSA key modulus\n",
 105 " -pubkey         - output the public key\n",
 106 " -fingerprint    - print the certificate fingerprint\n",
 107 " -alias          - output certificate alias\n",
 108 " -noout          - no certificate output\n",
 109 " -ocspid         - print OCSP hash values for the subject name and public key\n",
 110 " -trustout       - output a \"trusted\" certificate\n",
 111 " -clrtrust       - clear all trusted purposes\n",
 112 " -clrreject      - clear all rejected purposes\n",
 113 " -addtrust arg   - trust certificate for a given purpose\n",
 114 " -addreject arg  - reject certificate for a given purpose\n",
 115 " -setalias arg   - set certificate alias\n",
 116 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 117 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 118 "                   exit 1 if so, 0 if not\n",
 119 " -signkey arg    - self sign cert with arg\n",
 120 " -x509toreq      - output a certification request object\n",
 121 " -req            - input is a certificate request, sign and output.\n",
 122 " -CA arg         - set the CA certificate, must be PEM format.\n",
 123 " -CAkey arg      - set the CA key, must be PEM format\n",
 124 "                   missing, it is assumed to be in the CA file.\n",
 125 " -CAcreateserial - create serial number file if it does not exist\n",
 126 " -CAserial       - serial file\n",
 127 " -set_serial     - serial number to use\n",
 128 " -text           - print the certificate in text form\n",
 129 " -C              - print out C code forms\n",
 130 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 131 " -extfile        - configuration file with X509V3 extensions to add\n",
 132 " -extensions     - section from config file with X509V3 extensions to add\n",
 133 " -clrext         - delete extensions before signing and input certificate\n",
 134 " -nameopt arg    - various certificate name options\n",
 135 " -engine e       - use engine e, possibly a hardware device.\n",
 136 " -certopt arg    - various certificate text options\n",
 137 NULL
 138 };
 139
 140 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 141 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 142                                                 CONF *conf, char *section);
 143 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 144                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 145                          int create,int days, int clrext, CONF *conf, char *section,
 146                                                 ASN1_INTEGER *sno);
 147 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 148 static int reqfile=0;
 149
 150 int MAIN(int, char **);
 151
 152 int MAIN(int argc, char **argv)
 153         {
 154         ENGINE *e = NULL;
 155         int ret=1;
 156         X509_REQ *req=NULL;
 157         X509 *x=NULL,*xca=NULL;
 158         ASN1_OBJECT *objtmp;
 159         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 160         ASN1_INTEGER *sno = NULL;
 161         int i,num,badops=0;
 162         BIO *out=NULL;
 163         BIO *STDout=NULL;
 164         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 165         int informat,outformat,keyformat,CAformat,CAkeyformat;
 166         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 167         char *CAkeyfile=NULL,*CAserial=NULL;
 168         char *alias=NULL;
 169         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 170         int ocspid=0;
 171         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 172         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 173         int C=0;
 174         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 175         int pprint = 0;
 176         char **pp;
 177         X509_STORE *ctx=NULL;
 178         X509_REQ *rq=NULL;
 179         int fingerprint=0;
 180         char buf[256];
 181         const EVP_MD *md_alg,*digest=EVP_md5();
 182         CONF *extconf = NULL;
 183         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 184         int need_rand = 0;
 185         int checkend=0,checkoffset=0;
 186         unsigned long nmflag = 0, certflag = 0;
 187         char *engine=NULL;
 188
 189         reqfile=0;
 190
 191         apps_startup();
 192
 193         if (bio_err == NULL)
 194                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 195         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 196 #ifdef OPENSSL_SYS_VMS
 197         {
 198         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 199         STDout = BIO_push(tmpbio, STDout);
 200         }
 201 #endif
 202
 203         informat=FORMAT_PEM;
 204         outformat=FORMAT_PEM;
 205         keyformat=FORMAT_PEM;
 206         CAformat=FORMAT_PEM;
 207         CAkeyformat=FORMAT_PEM;
 208
 209         ctx=X509_STORE_new();
 210         if (ctx == NULL) goto end;
 211         X509_STORE_set_verify_cb_func(ctx,callb);
 212
 213         argc--;
 214         argv++;
 215         num=0;
 216         while (argc >= 1)
 217                 {
 218                 if      (strcmp(*argv,"-inform") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         informat=str2fmt(*(++argv));
 222                         }
 223                 else if (strcmp(*argv,"-outform") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         outformat=str2fmt(*(++argv));
 227                         }
 228                 else if (strcmp(*argv,"-keyform") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         keyformat=str2fmt(*(++argv));
 232                         }
 233                 else if (strcmp(*argv,"-req") == 0)
 234                         {
 235                         reqfile=1;
 236                         need_rand = 1;
 237                         }
 238                 else if (strcmp(*argv,"-CAform") == 0)
 239                         {
 240                         if (--argc < 1) goto bad;
 241                         CAformat=str2fmt(*(++argv));
 242                         }
 243                 else if (strcmp(*argv,"-CAkeyform") == 0)
 244                         {
 245                         if (--argc < 1) goto bad;
 246                         CAformat=str2fmt(*(++argv));
 247                         }
 248                 else if (strcmp(*argv,"-days") == 0)
 249                         {
 250                         if (--argc < 1) goto bad;
 251                         days=atoi(*(++argv));
 252                         if (days == 0)
 253                                 {
 254                                 BIO_printf(STDout,"bad number of days\n");
 255                                 goto bad;
 256                                 }
 257                         }
 258                 else if (strcmp(*argv,"-passin") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         passargin= *(++argv);
 262                         }
 263                 else if (strcmp(*argv,"-extfile") == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         extfile= *(++argv);
 267                         }
 268                 else if (strcmp(*argv,"-extensions") == 0)
 269                         {
 270                         if (--argc < 1) goto bad;
 271                         extsect= *(++argv);
 272                         }
 273                 else if (strcmp(*argv,"-in") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         infile= *(++argv);
 277                         }
 278                 else if (strcmp(*argv,"-out") == 0)
 279                         {
 280                         if (--argc < 1) goto bad;
 281                         outfile= *(++argv);
 282                         }
 283                 else if (strcmp(*argv,"-signkey") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         keyfile= *(++argv);
 287                         sign_flag= ++num;
 288                         need_rand = 1;
 289                         }
 290                 else if (strcmp(*argv,"-CA") == 0)
 291                         {
 292                         if (--argc < 1) goto bad;
 293                         CAfile= *(++argv);
 294                         CA_flag= ++num;
 295                         need_rand = 1;
 296                         }
 297                 else if (strcmp(*argv,"-CAkey") == 0)
 298                         {
 299                         if (--argc < 1) goto bad;
 300                         CAkeyfile= *(++argv);
 301                         }
 302                 else if (strcmp(*argv,"-CAserial") == 0)
 303                         {
 304                         if (--argc < 1) goto bad;
 305                         CAserial= *(++argv);
 306                         }
 307                 else if (strcmp(*argv,"-set_serial") == 0)
 308                         {
 309                         if (--argc < 1) goto bad;
 310                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 311                                 goto bad;
 312                         }
 313                 else if (strcmp(*argv,"-addtrust") == 0)
 314                         {
 315                         if (--argc < 1) goto bad;
 316                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 317                                 {
 318                                 BIO_printf(bio_err,
 319                                         "Invalid trust object value %s\n", *argv);
 320                                 goto bad;
 321                                 }
 322                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 323                         sk_ASN1_OBJECT_push(trust, objtmp);
 324                         trustout = 1;
 325                         }
 326                 else if (strcmp(*argv,"-addreject") == 0)
 327                         {
 328                         if (--argc < 1) goto bad;
 329                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 330                                 {
 331                                 BIO_printf(bio_err,
 332                                         "Invalid reject object value %s\n", *argv);
 333                                 goto bad;
 334                                 }
 335                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 336                         sk_ASN1_OBJECT_push(reject, objtmp);
 337                         trustout = 1;
 338                         }
 339                 else if (strcmp(*argv,"-setalias") == 0)
 340                         {
 341                         if (--argc < 1) goto bad;
 342                         alias= *(++argv);
 343                         trustout = 1;
 344                         }
 345                 else if (strcmp(*argv,"-certopt") == 0)
 346                         {
 347                         if (--argc < 1) goto bad;
 348                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 349                         }
 350                 else if (strcmp(*argv,"-nameopt") == 0)
 351                         {
 352                         if (--argc < 1) goto bad;
 353                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 354                         }
 355                 else if (strcmp(*argv,"-setalias") == 0)
 356                         {
 357                         if (--argc < 1) goto bad;
 358                         alias= *(++argv);
 359                         trustout = 1;
 360                         }
 361                 else if (strcmp(*argv,"-engine") == 0)
 362                         {
 363                         if (--argc < 1) goto bad;
 364                         engine= *(++argv);
 365                         }
 366                 else if (strcmp(*argv,"-C") == 0)
 367                         C= ++num;
 368                 else if (strcmp(*argv,"-email") == 0)
 369                         email= ++num;
 370                 else if (strcmp(*argv,"-serial") == 0)
 371                         serial= ++num;
 372                 else if (strcmp(*argv,"-modulus") == 0)
 373                         modulus= ++num;
 374                 else if (strcmp(*argv,"-pubkey") == 0)
 375                         pubkey= ++num;
 376                 else if (strcmp(*argv,"-x509toreq") == 0)
 377                         x509req= ++num;
 378                 else if (strcmp(*argv,"-text") == 0)
 379                         text= ++num;
 380                 else if (strcmp(*argv,"-hash") == 0)
 381                         hash= ++num;
 382                 else if (strcmp(*argv,"-subject") == 0)
 383                         subject= ++num;
 384                 else if (strcmp(*argv,"-issuer") == 0)
 385                         issuer= ++num;
 386                 else if (strcmp(*argv,"-fingerprint") == 0)
 387                         fingerprint= ++num;
 388                 else if (strcmp(*argv,"-dates") == 0)
 389                         {
 390                         startdate= ++num;
 391                         enddate= ++num;
 392                         }
 393                 else if (strcmp(*argv,"-purpose") == 0)
 394                         pprint= ++num;
 395                 else if (strcmp(*argv,"-startdate") == 0)
 396                         startdate= ++num;
 397                 else if (strcmp(*argv,"-enddate") == 0)
 398                         enddate= ++num;
 399                 else if (strcmp(*argv,"-checkend") == 0)
 400                         {
 401                         if (--argc < 1) goto bad;
 402                         checkoffset=atoi(*(++argv));
 403                         checkend=1;
 404                         }
 405                 else if (strcmp(*argv,"-noout") == 0)
 406                         noout= ++num;
 407                 else if (strcmp(*argv,"-trustout") == 0)
 408                         trustout= 1;
 409                 else if (strcmp(*argv,"-clrtrust") == 0)
 410                         clrtrust= ++num;
 411                 else if (strcmp(*argv,"-clrreject") == 0)
 412                         clrreject= ++num;
 413                 else if (strcmp(*argv,"-alias") == 0)
 414                         aliasout= ++num;
 415                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 416                         CA_createserial= ++num;
 417                 else if (strcmp(*argv,"-clrext") == 0)
 418                         clrext = 1;
 419 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 420                 else if (strcmp(*argv,"-crlext") == 0)
 421                         {
 422                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 423                         clrext = 1;
 424                         }
 425 #endif
 426                 else if (strcmp(*argv,"-ocspid") == 0)
 427                         ocspid= ++num;
 428                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 429                         {
 430                         /* ok */
 431                         digest=md_alg;
 432                         }
 433                 else
 434                         {
 435                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 436                         badops=1;
 437                         break;
 438                         }
 439                 argc--;
 440                 argv++;
 441                 }
 442
 443         if (badops)
 444                 {
 445 bad:
 446                 for (pp=x509_usage; (*pp != NULL); pp++)
 447                         BIO_printf(bio_err,"%s",*pp);
 448                 goto end;
 449                 }
 450
 451         e = setup_engine(bio_err, engine, 0);
 452
 453         if (need_rand)
 454                 app_RAND_load_file(NULL, bio_err, 0);
 455
 456         ERR_load_crypto_strings();
 457
 458         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 459                 {
 460                 BIO_printf(bio_err, "Error getting password\n");
 461                 goto end;
 462                 }
 463
 464         if (!X509_STORE_set_default_paths(ctx))
 465                 {
 466                 ERR_print_errors(bio_err);
 467                 goto end;
 468                 }
 469
 470         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 471                 { CAkeyfile=CAfile; }
 472         else if ((CA_flag) && (CAkeyfile == NULL))
 473                 {
 474                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 475                 goto end;
 476                 }
 477
 478         if (extfile)
 479                 {
 480                 long errorline;
 481                 X509V3_CTX ctx2;
 482                 extconf = NCONF_new(NULL);
 483                 if (!NCONF_load(extconf, extfile,&errorline))
 484                         {
 485                         if (errorline <= 0)
 486                                 BIO_printf(bio_err,
 487                                         "error loading the config file '%s'\n",
 488                                                                 extfile);
 489                         else
 490                                 BIO_printf(bio_err,
 491                                        "error on line %ld of config file '%s'\n"
 492                                                         ,errorline,extfile);
 493                         goto end;
 494                         }
 495                 if (!extsect)
 496                         {
 497                         extsect = NCONF_get_string(extconf, "default", "extensions");
 498                         if (!extsect)
 499                                 {
 500                                 ERR_clear_error();
 501                                 extsect = "default";
 502                                 }
 503                         }
 504                 X509V3_set_ctx_test(&ctx2);
 505                 X509V3_set_nconf(&ctx2, extconf);
 506                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 507                         {
 508                         BIO_printf(bio_err,
 509                                 "Error Loading extension section %s\n",
 510                                                                  extsect);
 511                         ERR_print_errors(bio_err);
 512                         goto end;
 513                         }
 514                 }
 515
 516
 517         if (reqfile)
 518                 {
 519                 EVP_PKEY *pkey;
 520                 X509_CINF *ci;
 521                 BIO *in;
 522
 523                 if (!sign_flag && !CA_flag)
 524                         {
 525                         BIO_printf(bio_err,"We need a private key to sign with\n");
 526                         goto end;
 527                         }
 528                 in=BIO_new(BIO_s_file());
 529                 if (in == NULL)
 530                         {
 531                         ERR_print_errors(bio_err);
 532                         goto end;
 533                         }
 534
 535                 if (infile == NULL)
 536                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 537                 else
 538                         {
 539                         if (BIO_read_filename(in,infile) <= 0)
 540                                 {
 541                                 perror(infile);
 542                                 BIO_free(in);
 543                                 goto end;
 544                                 }
 545                         }
 546                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 547                 BIO_free(in);
 548
 549                 if (req == NULL)
 550                         {
 551                         ERR_print_errors(bio_err);
 552                         goto end;
 553                         }
 554
 555                 if (    (req->req_info == NULL) ||
 556                         (req->req_info->pubkey == NULL) ||
 557                         (req->req_info->pubkey->public_key == NULL) ||
 558                         (req->req_info->pubkey->public_key->data == NULL))
 559                         {
 560                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 561                         BIO_printf(bio_err,"It does not contain a public key\n");
 562                         goto end;
 563                         }
 564                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 565                         {
 566                         BIO_printf(bio_err,"error unpacking public key\n");
 567                         goto end;
 568                         }
 569                 i=X509_REQ_verify(req,pkey);
 570                 EVP_PKEY_free(pkey);
 571                 if (i < 0)
 572                         {
 573                         BIO_printf(bio_err,"Signature verification error\n");
 574                         ERR_print_errors(bio_err);
 575                         goto end;
 576                         }
 577                 if (i == 0)
 578                         {
 579                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 580                         goto end;
 581                         }
 582                 else
 583                         BIO_printf(bio_err,"Signature ok\n");
 584
 585                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 586
 587                 if ((x=X509_new()) == NULL) goto end;
 588                 ci=x->cert_info;
 589
 590                 if (sno)
 591                         {
 592                         if (!X509_set_serialNumber(x, sno))
 593                                 goto end;
 594                         }
 595                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 596                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 597                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 598
 599                 X509_gmtime_adj(X509_get_notBefore(x),0);
 600                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 601
 602                 pkey = X509_REQ_get_pubkey(req);
 603                 X509_set_pubkey(x,pkey);
 604                 EVP_PKEY_free(pkey);
 605                 }
 606         else
 607                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 608
 609         if (x == NULL) goto end;
 610         if (CA_flag)
 611                 {
 612                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 613                 if (xca == NULL) goto end;
 614                 }
 615
 616         if (!noout || text)
 617                 {
 618                 OBJ_create("2.99999.3",
 619                         "SET.ex3","SET x509v3 extension 3");
 620
 621                 out=BIO_new(BIO_s_file());
 622                 if (out == NULL)
 623                         {
 624                         ERR_print_errors(bio_err);
 625                         goto end;
 626                         }
 627                 if (outfile == NULL)
 628                         {
 629                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 630 #ifdef OPENSSL_SYS_VMS
 631                         {
 632                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 633                         out = BIO_push(tmpbio, out);
 634                         }
 635 #endif
 636                         }
 637                 else
 638                         {
 639                         if (BIO_write_filename(out,outfile) <= 0)
 640                                 {
 641                                 perror(outfile);
 642                                 goto end;
 643                                 }
 644                         }
 645                 }
 646
 647         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 648
 649         if (clrtrust) X509_trust_clear(x);
 650         if (clrreject) X509_reject_clear(x);
 651
 652         if (trust)
 653                 {
 654                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 655                         {
 656                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 657                         X509_add1_trust_object(x, objtmp);
 658                         }
 659                 }
 660
 661         if (reject)
 662                 {
 663                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 664                         {
 665                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 666                         X509_add1_reject_object(x, objtmp);
 667                         }
 668                 }
 669
 670         if (num)
 671                 {
 672                 for (i=1; i<=num; i++)
 673                         {
 674                         if (issuer == i)
 675                                 {
 676                                 print_name(STDout, "issuer= ",
 677                                         X509_get_issuer_name(x), nmflag);
 678                                 }
 679                         else if (subject == i)
 680                                 {
 681                                 print_name(STDout, "subject= ",
 682                                         X509_get_subject_name(x), nmflag);
 683                                 }
 684                         else if (serial == i)
 685                                 {
 686                                 BIO_printf(STDout,"serial=");
 687                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 688                                 BIO_printf(STDout,"\n");
 689                                 }
 690                         else if (email == i)
 691                                 {
 692                                 int j;
 693                                 STACK *emlst;
 694                                 emlst = X509_get1_email(x);
 695                                 for (j = 0; j < sk_num(emlst); j++)
 696                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 697                                 X509_email_free(emlst);
 698                                 }
 699                         else if (aliasout == i)
 700                                 {
 701                                 unsigned char *alstr;
 702                                 alstr = X509_alias_get0(x, NULL);
 703                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 704                                 else BIO_puts(STDout,"<No Alias>\n");
 705                                 }
 706                         else if (hash == i)
 707                                 {
 708                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 709                                 }
 710                         else if (pprint == i)
 711                                 {
 712                                 X509_PURPOSE *ptmp;
 713                                 int j;
 714                                 BIO_printf(STDout, "Certificate purposes:\n");
 715                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 716                                         {
 717                                         ptmp = X509_PURPOSE_get0(j);
 718                                         purpose_print(STDout, x, ptmp);
 719                                         }
 720                                 }
 721                         else
 722                                 if (modulus == i)
 723                                 {
 724                                 EVP_PKEY *pkey;
 725
 726                                 pkey=X509_get_pubkey(x);
 727                                 if (pkey == NULL)
 728                                         {
 729                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 730                                         ERR_print_errors(bio_err);
 731                                         goto end;
 732                                         }
 733                                 BIO_printf(STDout,"Modulus=");
 734 #ifndef OPENSSL_NO_RSA
 735                                 if (pkey->type == EVP_PKEY_RSA)
 736                                         BN_print(STDout,pkey->pkey.rsa->n);
 737                                 else
 738 #endif
 739 #ifndef OPENSSL_NO_DSA
 740                                 if (pkey->type == EVP_PKEY_DSA)
 741                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 742                                 else
 743 #endif
 744                                         BIO_printf(STDout,"Wrong Algorithm type");
 745                                 BIO_printf(STDout,"\n");
 746                                 EVP_PKEY_free(pkey);
 747                                 }
 748                         else
 749                                 if (pubkey == i)
 750                                 {
 751                                 EVP_PKEY *pkey;
 752
 753                                 pkey=X509_get_pubkey(x);
 754                                 if (pkey == NULL)
 755                                         {
 756                                         BIO_printf(bio_err,"Error getting public key\n");
 757                                         ERR_print_errors(bio_err);
 758                                         goto end;
 759                                         }
 760                                 PEM_write_bio_PUBKEY(STDout, pkey);
 761                                 EVP_PKEY_free(pkey);
 762                                 }
 763                         else
 764                                 if (C == i)
 765                                 {
 766                                 unsigned char *d;
 767                                 char *m;
 768                                 int y,z;
 769
 770                                 X509_NAME_oneline(X509_get_subject_name(x),
 771                                         buf,256);
 772                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 773                                 m=X509_NAME_oneline(
 774                                         X509_get_issuer_name(x),buf,256);
 775                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 776
 777                                 z=i2d_X509(x,NULL);
 778                                 m=OPENSSL_malloc(z);
 779
 780                                 d=(unsigned char *)m;
 781                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 782                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 783                                 d=(unsigned char *)m;
 784                                 for (y=0; y<z; y++)
 785                                         {
 786                                         BIO_printf(STDout,"0x%02X,",d[y]);
 787                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 788                                         }
 789                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 790                                 BIO_printf(STDout,"};\n");
 791
 792                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 793                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 794                                 d=(unsigned char *)m;
 795                                 for (y=0; y<z; y++)
 796                                         {
 797                                         BIO_printf(STDout,"0x%02X,",d[y]);
 798                                         if ((y & 0x0f) == 0x0f)
 799                                                 BIO_printf(STDout,"\n");
 800                                         }
 801                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 802                                 BIO_printf(STDout,"};\n");
 803
 804                                 z=i2d_X509(x,&d);
 805                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 806                                 d=(unsigned char *)m;
 807                                 for (y=0; y<z; y++)
 808                                         {
 809                                         BIO_printf(STDout,"0x%02X,",d[y]);
 810                                         if ((y & 0x0f) == 0x0f)
 811                                                 BIO_printf(STDout,"\n");
 812                                         }
 813                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 814                                 BIO_printf(STDout,"};\n");
 815
 816                                 OPENSSL_free(m);
 817                                 }
 818                         else if (text == i)
 819                                 {
 820                                 X509_print_ex(out,x,nmflag, certflag);
 821                                 }
 822                         else if (startdate == i)
 823                                 {
 824                                 BIO_puts(STDout,"notBefore=");
 825                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 826                                 BIO_puts(STDout,"\n");
 827                                 }
 828                         else if (enddate == i)
 829                                 {
 830                                 BIO_puts(STDout,"notAfter=");
 831                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 832                                 BIO_puts(STDout,"\n");
 833                                 }
 834                         else if (fingerprint == i)
 835                                 {
 836                                 int j;
 837                                 unsigned int n;
 838                                 unsigned char md[EVP_MAX_MD_SIZE];
 839
 840                                 if (!X509_digest(x,digest,md,&n))
 841                                         {
 842                                         BIO_printf(bio_err,"out of memory\n");
 843                                         goto end;
 844                                         }
 845                                 BIO_printf(STDout,"%s Fingerprint=",
 846                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 847                                 for (j=0; j<(int)n; j++)
 848                                         {
 849                                         BIO_printf(STDout,"%02X%c",md[j],
 850                                                 (j+1 == (int)n)
 851                                                 ?'\n':':');
 852                                         }
 853                                 }
 854
 855                         /* should be in the library */
 856                         else if ((sign_flag == i) && (x509req == 0))
 857                                 {
 858                                 BIO_printf(bio_err,"Getting Private key\n");
 859                                 if (Upkey == NULL)
 860                                         {
 861                                         Upkey=load_key(bio_err,
 862                                                 keyfile,keyformat, passin, e,
 863                                                 "Private key");
 864                                         if (Upkey == NULL) goto end;
 865                                         }
 866 #ifndef OPENSSL_NO_DSA
 867                                 if (Upkey->type == EVP_PKEY_DSA)
 868                                         digest=EVP_dss1();
 869 #endif
 870
 871                                 assert(need_rand);
 872                                 if (!sign(x,Upkey,days,clrext,digest,
 873                                                  extconf, extsect)) goto end;
 874                                 }
 875                         else if (CA_flag == i)
 876                                 {
 877                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 878                                 if (CAkeyfile != NULL)
 879                                         {
 880                                         CApkey=load_key(bio_err,
 881                                                 CAkeyfile,CAkeyformat, passin,
 882                                                 e, "CA Private Key");
 883                                         if (CApkey == NULL) goto end;
 884                                         }
 885 #ifndef OPENSSL_NO_DSA
 886                                 if (CApkey->type == EVP_PKEY_DSA)
 887                                         digest=EVP_dss1();
 888 #endif
 889
 890                                 assert(need_rand);
 891                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 892                                         CApkey, CAserial,CA_createserial,days, clrext,
 893                                         extconf, extsect, sno))
 894                                         goto end;
 895                                 }
 896                         else if (x509req == i)
 897                                 {
 898                                 EVP_PKEY *pk;
 899
 900                                 BIO_printf(bio_err,"Getting request Private Key\n");
 901                                 if (keyfile == NULL)
 902                                         {
 903                                         BIO_printf(bio_err,"no request key file specified\n");
 904                                         goto end;
 905                                         }
 906                                 else
 907                                         {
 908                                         pk=load_key(bio_err,
 909                                                 keyfile,FORMAT_PEM, passin, e,
 910                                                 "request key");
 911                                         if (pk == NULL) goto end;
 912                                         }
 913
 914                                 BIO_printf(bio_err,"Generating certificate request\n");
 915
 916                                 if (pk->type == EVP_PKEY_DSA)
 917                                         digest=EVP_dss1();
 918
 919                                 rq=X509_to_X509_REQ(x,pk,digest);
 920                                 EVP_PKEY_free(pk);
 921                                 if (rq == NULL)
 922                                         {
 923                                         ERR_print_errors(bio_err);
 924                                         goto end;
 925                                         }
 926                                 if (!noout)
 927                                         {
 928                                         X509_REQ_print(out,rq);
 929                                         PEM_write_bio_X509_REQ(out,rq);
 930                                         }
 931                                 noout=1;
 932                                 }
 933                         else if (ocspid == i)
 934                                 {
 935                                 X509_ocspid_print(out, x);
 936                                 }
 937                         }
 938                 }
 939
 940         if (checkend)
 941                 {
 942                 time_t tnow=time(NULL);
 943
 944                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
 945                         {
 946                         BIO_printf(out,"Certificate will expire\n");
 947                         ret=1;
 948                         }
 949                 else
 950                         {
 951                         BIO_printf(out,"Certificate will not expire\n");
 952                         ret=0;
 953                         }
 954                 goto end;
 955                 }
 956
 957         if (noout)
 958                 {
 959                 ret=0;
 960                 goto end;
 961                 }
 962
 963         if      (outformat == FORMAT_ASN1)
 964                 i=i2d_X509_bio(out,x);
 965         else if (outformat == FORMAT_PEM)
 966                 {
 967                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
 968                 else i=PEM_write_bio_X509(out,x);
 969                 }
 970         else if (outformat == FORMAT_NETSCAPE)
 971                 {
 972                 ASN1_HEADER ah;
 973                 ASN1_OCTET_STRING os;
 974
 975                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
 976                 os.length=strlen(NETSCAPE_CERT_HDR);
 977                 ah.header= &os;
 978                 ah.data=(char *)x;
 979                 ah.meth=X509_asn1_meth();
 980
 981                 /* no macro for this one yet */
 982                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 983                 }
 984         else    {
 985                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 986                 goto end;
 987                 }
 988         if (!i)
 989                 {
 990                 BIO_printf(bio_err,"unable to write certificate\n");
 991                 ERR_print_errors(bio_err);
 992                 goto end;
 993                 }
 994         ret=0;
 995 end:
 996         if (need_rand)
 997                 app_RAND_write_file(NULL, bio_err);
 998         OBJ_cleanup();
 999         NCONF_free(extconf);
1000         BIO_free_all(out);
1001         BIO_free_all(STDout);
1002         X509_STORE_free(ctx);
1003         X509_REQ_free(req);
1004         X509_free(x);
1005         X509_free(xca);
1006         EVP_PKEY_free(Upkey);
1007         EVP_PKEY_free(CApkey);
1008         X509_REQ_free(rq);
1009         ASN1_INTEGER_free(sno);
1010         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1011         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1012         if (passin) OPENSSL_free(passin);
1013         apps_shutdown();
1014         EXIT(ret);
1015         }
1016
1017 static ASN1_INTEGER *load_serial(char *CAfile, char *serialfile, int create)
1018         {
1019         char *buf = NULL, *p;
1020         MS_STATIC char buf2[1024];
1021         ASN1_INTEGER *bs = NULL, *bs2 = NULL;
1022         BIO *io = NULL;
1023         BIGNUM *serial = NULL;
1024
1025         buf=OPENSSL_malloc( ((serialfile == NULL)
1026                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
1027                         :(strlen(serialfile)))+1);
1028         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1029         if (serialfile == NULL)
1030                 {
1031                 strcpy(buf,CAfile);
1032                 for (p=buf; *p; p++)
1033                         if (*p == '.')
1034                                 {
1035                                 *p='\0';
1036                                 break;
1037                                 }
1038                 strcat(buf,POSTFIX);
1039                 }
1040         else
1041                 strcpy(buf,serialfile);
1042         serial=BN_new();
1043         bs=ASN1_INTEGER_new();
1044         if ((serial == NULL) || (bs == NULL))
1045                 {
1046                 ERR_print_errors(bio_err);
1047                 goto end;
1048                 }
1049
1050         io=BIO_new(BIO_s_file());
1051         if (io == NULL)
1052                 {
1053                 ERR_print_errors(bio_err);
1054                 goto end;
1055                 }
1056
1057         if (BIO_read_filename(io,buf) <= 0)
1058                 {
1059                 if (!create)
1060                         {
1061                         perror(buf);
1062                         goto end;
1063                         }
1064                 else
1065                         {
1066                         ASN1_INTEGER_set(bs,1);
1067                         BN_one(serial);
1068                         }
1069                 }
1070         else
1071                 {
1072                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1073                         {
1074                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1075                         ERR_print_errors(bio_err);
1076                         goto end;
1077                         }
1078                 else
1079                         {
1080                         serial=BN_bin2bn(bs->data,bs->length,serial);
1081                         if (serial == NULL)
1082                                 {
1083                                 BIO_printf(bio_err,"error converting bin 2 bn");
1084                                 goto end;
1085                                 }
1086                         }
1087                 }
1088
1089         if (!BN_add_word(serial,1))
1090                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1091         if (!(bs2 = BN_to_ASN1_INTEGER(serial, NULL)))
1092                 { BIO_printf(bio_err,"error converting bn 2 asn1_integer\n"); goto end; }
1093         if (BIO_write_filename(io,buf) <= 0)
1094                 {
1095                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1096                 perror(buf);
1097                 goto end;
1098                 }
1099         i2a_ASN1_INTEGER(io,bs2);
1100         BIO_puts(io,"\n");
1101
1102         BIO_free(io);
1103         if (buf) OPENSSL_free(buf);
1104         ASN1_INTEGER_free(bs2);
1105         BN_free(serial);
1106         io=NULL;
1107         return bs;
1108
1109         end:
1110         if (buf) OPENSSL_free(buf);
1111         BIO_free(io);
1112         ASN1_INTEGER_free(bs);
1113         BN_free(serial);
1114         return NULL;
1115
1116         }
1117
1118 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1119              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1120              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1121         {
1122         int ret=0;
1123         ASN1_INTEGER *bs=NULL;
1124         X509_STORE_CTX xsc;
1125         EVP_PKEY *upkey;
1126
1127         upkey = X509_get_pubkey(xca);
1128         EVP_PKEY_copy_parameters(upkey,pkey);
1129         EVP_PKEY_free(upkey);
1130
1131         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
1132         if (sno) bs = sno;
1133         else if (!(bs = load_serial(CAfile, serialfile, create)))
1134                 goto end;
1135
1136         if (!X509_STORE_add_cert(ctx,x)) goto end;
1137
1138         /* NOTE: this certificate can/should be self signed, unless it was
1139          * a certificate request in which case it is not. */
1140         X509_STORE_CTX_set_cert(&xsc,x);
1141         if (!reqfile && !X509_verify_cert(&xsc))
1142                 goto end;
1143
1144         if (!X509_check_private_key(xca,pkey))
1145                 {
1146                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1147                 goto end;
1148                 }
1149
1150         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1151         if (!X509_set_serialNumber(x,bs)) goto end;
1152
1153         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1154                 goto end;
1155
1156         /* hardwired expired */
1157         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1158                 goto end;
1159
1160         if (clrext)
1161                 {
1162                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1163                 }
1164
1165         if (conf)
1166                 {
1167                 X509V3_CTX ctx2;
1168                 X509_set_version(x,2); /* version 3 certificate */
1169                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1170                 X509V3_set_nconf(&ctx2, conf);
1171                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1172                 }
1173
1174         if (!X509_sign(x,pkey,digest)) goto end;
1175         ret=1;
1176 end:
1177         X509_STORE_CTX_cleanup(&xsc);
1178         if (!ret)
1179                 ERR_print_errors(bio_err);
1180         if (!sno) ASN1_INTEGER_free(bs);
1181         return ret;
1182         }
1183
1184 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1185         {
1186         int err;
1187         X509 *err_cert;
1188
1189         /* it is ok to use a self signed certificate
1190          * This case will catch both the initial ok == 0 and the
1191          * final ok == 1 calls to this function */
1192         err=X509_STORE_CTX_get_error(ctx);
1193         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1194                 return 1;
1195
1196         /* BAD we should have gotten an error.  Normally if everything
1197          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1198          * DEPTH_ZERO_SELF_.... */
1199         if (ok)
1200                 {
1201                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1202                 return 0;
1203                 }
1204         else
1205                 {
1206                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1207                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1208                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1209                         err,X509_STORE_CTX_get_error_depth(ctx),
1210                         X509_verify_cert_error_string(err));
1211                 return 1;
1212                 }
1213         }
1214
1215 /* self sign */
1216 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1217                                                 CONF *conf, char *section)
1218         {
1219
1220         EVP_PKEY *pktmp;
1221
1222         pktmp = X509_get_pubkey(x);
1223         EVP_PKEY_copy_parameters(pktmp,pkey);
1224         EVP_PKEY_save_parameters(pktmp,1);
1225         EVP_PKEY_free(pktmp);
1226
1227         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1228         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1229
1230         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1231         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1232         /* 28 days to be certified */
1233
1234         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1235                 goto err;
1236
1237         if (!X509_set_pubkey(x,pkey)) goto err;
1238         if (clrext)
1239                 {
1240                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1241                 }
1242         if (conf)
1243                 {
1244                 X509V3_CTX ctx;
1245                 X509_set_version(x,2); /* version 3 certificate */
1246                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1247                 X509V3_set_nconf(&ctx, conf);
1248                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1249                 }
1250         if (!X509_sign(x,pkey,digest)) goto err;
1251         return 1;
1252 err:
1253         ERR_print_errors(bio_err);
1254         return 0;
1255         }
1256
1257 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1258 {
1259         int id, i, idret;
1260         char *pname;
1261         id = X509_PURPOSE_get_id(pt);
1262         pname = X509_PURPOSE_get0_name(pt);
1263         for (i = 0; i < 2; i++)
1264                 {
1265                 idret = X509_check_purpose(cert, id, i);
1266                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1267                 if (idret == 1) BIO_printf(bio, "Yes\n");
1268                 else if (idret == 0) BIO_printf(bio, "No\n");
1269                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1270                 }
1271         return 1;
1272 }