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
  77 #undef PROG
  78 #define PROG x509_main
  79
  80 #undef POSTFIX
  81 #define POSTFIX ".srl"
  82 #define DEF_DAYS        30
  83
  84 static char *x509_usage[]={
  85 "usage: x509 args\n",
  86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  88 " -keyform arg    - private key format - default PEM\n",
  89 " -CAform arg     - CA format - default PEM\n",
  90 " -CAkeyform arg  - CA key format - default PEM\n",
  91 " -in arg         - input file - default stdin\n",
  92 " -out arg        - output file - default stdout\n",
  93 " -passin arg     - private key password source\n",
  94 " -serial         - print serial number value\n",
  95 " -hash           - print hash value\n",
  96 " -subject        - print subject DN\n",
  97 " -issuer         - print issuer DN\n",
  98 " -email          - print email address(es)\n",
  99 " -startdate      - notBefore field\n",
 100 " -enddate        - notAfter field\n",
 101 " -purpose        - print out certificate purposes\n",
 102 " -dates          - both Before and After dates\n",
 103 " -modulus        - print the RSA key modulus\n",
 104 " -pubkey         - output the public key\n",
 105 " -fingerprint    - print the certificate fingerprint\n",
 106 " -alias          - output certificate alias\n",
 107 " -noout          - no certificate output\n",
 108 " -ocspid         - print OCSP hash values for the subject name and public key\n",
 109 " -trustout       - output a \"trusted\" certificate\n",
 110 " -clrtrust       - clear all trusted purposes\n",
 111 " -clrreject      - clear all rejected purposes\n",
 112 " -addtrust arg   - trust certificate for a given purpose\n",
 113 " -addreject arg  - reject certificate for a given purpose\n",
 114 " -setalias arg   - set certificate alias\n",
 115 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 116 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 117 "                   exit 1 if so, 0 if not\n",
 118 " -signkey arg    - self sign cert with arg\n",
 119 " -x509toreq      - output a certification request object\n",
 120 " -req            - input is a certificate request, sign and output.\n",
 121 " -CA arg         - set the CA certificate, must be PEM format.\n",
 122 " -CAkey arg      - set the CA key, must be PEM format\n",
 123 "                   missing, it is assumed to be in the CA file.\n",
 124 " -CAcreateserial - create serial number file if it does not exist\n",
 125 " -CAserial arg   - serial file\n",
 126 " -set_serial     - serial number to use\n",
 127 " -text           - print the certificate in text form\n",
 128 " -C              - print out C code forms\n",
 129 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 130 " -extfile        - configuration file with X509V3 extensions to add\n",
 131 " -extensions     - section from config file with X509V3 extensions to add\n",
 132 " -clrext         - delete extensions before signing and input certificate\n",
 133 " -nameopt arg    - various certificate name options\n",
 134 " -engine e       - use engine e, possibly a hardware device.\n",
 135 " -certopt arg    - various certificate text options\n",
 136 NULL
 137 };
 138
 139 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 140 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 141                                                 CONF *conf, char *section);
 142 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 143                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 144                          int create,int days, int clrext, CONF *conf, char *section,
 145                                                 ASN1_INTEGER *sno);
 146 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 147 static int reqfile=0;
 148
 149 int MAIN(int, char **);
 150
 151 int MAIN(int argc, char **argv)
 152         {
 153         ENGINE *e = NULL;
 154         int ret=1;
 155         X509_REQ *req=NULL;
 156         X509 *x=NULL,*xca=NULL;
 157         ASN1_OBJECT *objtmp;
 158         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 159         ASN1_INTEGER *sno = NULL;
 160         int i,num,badops=0;
 161         BIO *out=NULL;
 162         BIO *STDout=NULL;
 163         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 164         int informat,outformat,keyformat,CAformat,CAkeyformat;
 165         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 166         char *CAkeyfile=NULL,*CAserial=NULL;
 167         char *alias=NULL;
 168         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 169         int ocspid=0;
 170         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 171         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 172         int C=0;
 173         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 174         int pprint = 0;
 175         char **pp;
 176         X509_STORE *ctx=NULL;
 177         X509_REQ *rq=NULL;
 178         int fingerprint=0;
 179         char buf[256];
 180         const EVP_MD *md_alg,*digest=EVP_md5();
 181         CONF *extconf = NULL;
 182         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 183         int need_rand = 0;
 184         int checkend=0,checkoffset=0;
 185         unsigned long nmflag = 0, certflag = 0;
 186         char *engine=NULL;
 187
 188         reqfile=0;
 189
 190         apps_startup();
 191
 192         if (bio_err == NULL)
 193                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 194
 195         if (!load_config(bio_err, NULL))
 196                 goto end;
 197         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 198 #ifdef OPENSSL_SYS_VMS
 199         {
 200         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 201         STDout = BIO_push(tmpbio, STDout);
 202         }
 203 #endif
 204
 205         informat=FORMAT_PEM;
 206         outformat=FORMAT_PEM;
 207         keyformat=FORMAT_PEM;
 208         CAformat=FORMAT_PEM;
 209         CAkeyformat=FORMAT_PEM;
 210
 211         ctx=X509_STORE_new();
 212         if (ctx == NULL) goto end;
 213         X509_STORE_set_verify_cb_func(ctx,callb);
 214
 215         argc--;
 216         argv++;
 217         num=0;
 218         while (argc >= 1)
 219                 {
 220                 if      (strcmp(*argv,"-inform") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         informat=str2fmt(*(++argv));
 224                         }
 225                 else if (strcmp(*argv,"-outform") == 0)
 226                         {
 227                         if (--argc < 1) goto bad;
 228                         outformat=str2fmt(*(++argv));
 229                         }
 230                 else if (strcmp(*argv,"-keyform") == 0)
 231                         {
 232                         if (--argc < 1) goto bad;
 233                         keyformat=str2fmt(*(++argv));
 234                         }
 235                 else if (strcmp(*argv,"-req") == 0)
 236                         {
 237                         reqfile=1;
 238                         need_rand = 1;
 239                         }
 240                 else if (strcmp(*argv,"-CAform") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         CAformat=str2fmt(*(++argv));
 244                         }
 245                 else if (strcmp(*argv,"-CAkeyform") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         CAkeyformat=str2fmt(*(++argv));
 249                         }
 250                 else if (strcmp(*argv,"-days") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         days=atoi(*(++argv));
 254                         if (days == 0)
 255                                 {
 256                                 BIO_printf(STDout,"bad number of days\n");
 257                                 goto bad;
 258                                 }
 259                         }
 260                 else if (strcmp(*argv,"-passin") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         passargin= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-extfile") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         extfile= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-extensions") == 0)
 271                         {
 272                         if (--argc < 1) goto bad;
 273                         extsect= *(++argv);
 274                         }
 275                 else if (strcmp(*argv,"-in") == 0)
 276                         {
 277                         if (--argc < 1) goto bad;
 278                         infile= *(++argv);
 279                         }
 280                 else if (strcmp(*argv,"-out") == 0)
 281                         {
 282                         if (--argc < 1) goto bad;
 283                         outfile= *(++argv);
 284                         }
 285                 else if (strcmp(*argv,"-signkey") == 0)
 286                         {
 287                         if (--argc < 1) goto bad;
 288                         keyfile= *(++argv);
 289                         sign_flag= ++num;
 290                         need_rand = 1;
 291                         }
 292                 else if (strcmp(*argv,"-CA") == 0)
 293                         {
 294                         if (--argc < 1) goto bad;
 295                         CAfile= *(++argv);
 296                         CA_flag= ++num;
 297                         need_rand = 1;
 298                         }
 299                 else if (strcmp(*argv,"-CAkey") == 0)
 300                         {
 301                         if (--argc < 1) goto bad;
 302                         CAkeyfile= *(++argv);
 303                         }
 304                 else if (strcmp(*argv,"-CAserial") == 0)
 305                         {
 306                         if (--argc < 1) goto bad;
 307                         CAserial= *(++argv);
 308                         }
 309                 else if (strcmp(*argv,"-set_serial") == 0)
 310                         {
 311                         if (--argc < 1) goto bad;
 312                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 313                                 goto bad;
 314                         }
 315                 else if (strcmp(*argv,"-addtrust") == 0)
 316                         {
 317                         if (--argc < 1) goto bad;
 318                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 319                                 {
 320                                 BIO_printf(bio_err,
 321                                         "Invalid trust object value %s\n", *argv);
 322                                 goto bad;
 323                                 }
 324                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 325                         sk_ASN1_OBJECT_push(trust, objtmp);
 326                         trustout = 1;
 327                         }
 328                 else if (strcmp(*argv,"-addreject") == 0)
 329                         {
 330                         if (--argc < 1) goto bad;
 331                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 332                                 {
 333                                 BIO_printf(bio_err,
 334                                         "Invalid reject object value %s\n", *argv);
 335                                 goto bad;
 336                                 }
 337                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 338                         sk_ASN1_OBJECT_push(reject, objtmp);
 339                         trustout = 1;
 340                         }
 341                 else if (strcmp(*argv,"-setalias") == 0)
 342                         {
 343                         if (--argc < 1) goto bad;
 344                         alias= *(++argv);
 345                         trustout = 1;
 346                         }
 347                 else if (strcmp(*argv,"-certopt") == 0)
 348                         {
 349                         if (--argc < 1) goto bad;
 350                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 351                         }
 352                 else if (strcmp(*argv,"-nameopt") == 0)
 353                         {
 354                         if (--argc < 1) goto bad;
 355                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 356                         }
 357                 else if (strcmp(*argv,"-setalias") == 0)
 358                         {
 359                         if (--argc < 1) goto bad;
 360                         alias= *(++argv);
 361                         trustout = 1;
 362                         }
 363                 else if (strcmp(*argv,"-engine") == 0)
 364                         {
 365                         if (--argc < 1) goto bad;
 366                         engine= *(++argv);
 367                         }
 368                 else if (strcmp(*argv,"-C") == 0)
 369                         C= ++num;
 370                 else if (strcmp(*argv,"-email") == 0)
 371                         email= ++num;
 372                 else if (strcmp(*argv,"-serial") == 0)
 373                         serial= ++num;
 374                 else if (strcmp(*argv,"-modulus") == 0)
 375                         modulus= ++num;
 376                 else if (strcmp(*argv,"-pubkey") == 0)
 377                         pubkey= ++num;
 378                 else if (strcmp(*argv,"-x509toreq") == 0)
 379                         x509req= ++num;
 380                 else if (strcmp(*argv,"-text") == 0)
 381                         text= ++num;
 382                 else if (strcmp(*argv,"-hash") == 0)
 383                         hash= ++num;
 384                 else if (strcmp(*argv,"-subject") == 0)
 385                         subject= ++num;
 386                 else if (strcmp(*argv,"-issuer") == 0)
 387                         issuer= ++num;
 388                 else if (strcmp(*argv,"-fingerprint") == 0)
 389                         fingerprint= ++num;
 390                 else if (strcmp(*argv,"-dates") == 0)
 391                         {
 392                         startdate= ++num;
 393                         enddate= ++num;
 394                         }
 395                 else if (strcmp(*argv,"-purpose") == 0)
 396                         pprint= ++num;
 397                 else if (strcmp(*argv,"-startdate") == 0)
 398                         startdate= ++num;
 399                 else if (strcmp(*argv,"-enddate") == 0)
 400                         enddate= ++num;
 401                 else if (strcmp(*argv,"-checkend") == 0)
 402                         {
 403                         if (--argc < 1) goto bad;
 404                         checkoffset=atoi(*(++argv));
 405                         checkend=1;
 406                         }
 407                 else if (strcmp(*argv,"-noout") == 0)
 408                         noout= ++num;
 409                 else if (strcmp(*argv,"-trustout") == 0)
 410                         trustout= 1;
 411                 else if (strcmp(*argv,"-clrtrust") == 0)
 412                         clrtrust= ++num;
 413                 else if (strcmp(*argv,"-clrreject") == 0)
 414                         clrreject= ++num;
 415                 else if (strcmp(*argv,"-alias") == 0)
 416                         aliasout= ++num;
 417                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 418                         CA_createserial= ++num;
 419                 else if (strcmp(*argv,"-clrext") == 0)
 420                         clrext = 1;
 421 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 422                 else if (strcmp(*argv,"-crlext") == 0)
 423                         {
 424                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 425                         clrext = 1;
 426                         }
 427 #endif
 428                 else if (strcmp(*argv,"-ocspid") == 0)
 429                         ocspid= ++num;
 430                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 431                         {
 432                         /* ok */
 433                         digest=md_alg;
 434                         }
 435                 else
 436                         {
 437                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 438                         badops=1;
 439                         break;
 440                         }
 441                 argc--;
 442                 argv++;
 443                 }
 444
 445         if (badops)
 446                 {
 447 bad:
 448                 for (pp=x509_usage; (*pp != NULL); pp++)
 449                         BIO_printf(bio_err,"%s",*pp);
 450                 goto end;
 451                 }
 452
 453         e = setup_engine(bio_err, engine, 0);
 454
 455         if (need_rand)
 456                 app_RAND_load_file(NULL, bio_err, 0);
 457
 458         ERR_load_crypto_strings();
 459
 460         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 461                 {
 462                 BIO_printf(bio_err, "Error getting password\n");
 463                 goto end;
 464                 }
 465
 466         if (!X509_STORE_set_default_paths(ctx))
 467                 {
 468                 ERR_print_errors(bio_err);
 469                 goto end;
 470                 }
 471
 472         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 473                 { CAkeyfile=CAfile; }
 474         else if ((CA_flag) && (CAkeyfile == NULL))
 475                 {
 476                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 477                 goto end;
 478                 }
 479
 480         if (extfile)
 481                 {
 482                 long errorline = -1;
 483                 X509V3_CTX ctx2;
 484                 extconf = NCONF_new(NULL);
 485                 if (!NCONF_load(extconf, extfile,&errorline))
 486                         {
 487                         if (errorline <= 0)
 488                                 BIO_printf(bio_err,
 489                                         "error loading the config file '%s'\n",
 490                                                                 extfile);
 491                         else
 492                                 BIO_printf(bio_err,
 493                                        "error on line %ld of config file '%s'\n"
 494                                                         ,errorline,extfile);
 495                         goto end;
 496                         }
 497                 if (!extsect)
 498                         {
 499                         extsect = NCONF_get_string(extconf, "default", "extensions");
 500                         if (!extsect)
 501                                 {
 502                                 ERR_clear_error();
 503                                 extsect = "default";
 504                                 }
 505                         }
 506                 X509V3_set_ctx_test(&ctx2);
 507                 X509V3_set_nconf(&ctx2, extconf);
 508                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 509                         {
 510                         BIO_printf(bio_err,
 511                                 "Error Loading extension section %s\n",
 512                                                                  extsect);
 513                         ERR_print_errors(bio_err);
 514                         goto end;
 515                         }
 516                 }
 517
 518
 519         if (reqfile)
 520                 {
 521                 EVP_PKEY *pkey;
 522                 X509_CINF *ci;
 523                 BIO *in;
 524
 525                 if (!sign_flag && !CA_flag)
 526                         {
 527                         BIO_printf(bio_err,"We need a private key to sign with\n");
 528                         goto end;
 529                         }
 530                 in=BIO_new(BIO_s_file());
 531                 if (in == NULL)
 532                         {
 533                         ERR_print_errors(bio_err);
 534                         goto end;
 535                         }
 536
 537                 if (infile == NULL)
 538                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 539                 else
 540                         {
 541                         if (BIO_read_filename(in,infile) <= 0)
 542                                 {
 543                                 perror(infile);
 544                                 BIO_free(in);
 545                                 goto end;
 546                                 }
 547                         }
 548                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 549                 BIO_free(in);
 550
 551                 if (req == NULL)
 552                         {
 553                         ERR_print_errors(bio_err);
 554                         goto end;
 555                         }
 556
 557                 if (    (req->req_info == NULL) ||
 558                         (req->req_info->pubkey == NULL) ||
 559                         (req->req_info->pubkey->public_key == NULL) ||
 560                         (req->req_info->pubkey->public_key->data == NULL))
 561                         {
 562                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 563                         BIO_printf(bio_err,"It does not contain a public key\n");
 564                         goto end;
 565                         }
 566                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 567                         {
 568                         BIO_printf(bio_err,"error unpacking public key\n");
 569                         goto end;
 570                         }
 571                 i=X509_REQ_verify(req,pkey);
 572                 EVP_PKEY_free(pkey);
 573                 if (i < 0)
 574                         {
 575                         BIO_printf(bio_err,"Signature verification error\n");
 576                         ERR_print_errors(bio_err);
 577                         goto end;
 578                         }
 579                 if (i == 0)
 580                         {
 581                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 582                         goto end;
 583                         }
 584                 else
 585                         BIO_printf(bio_err,"Signature ok\n");
 586
 587                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 588
 589                 if ((x=X509_new()) == NULL) goto end;
 590                 ci=x->cert_info;
 591
 592                 if (sno)
 593                         {
 594                         if (!X509_set_serialNumber(x, sno))
 595                                 goto end;
 596                         }
 597                 else if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 598                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 599                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 600
 601                 X509_gmtime_adj(X509_get_notBefore(x),0);
 602                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 603
 604                 pkey = X509_REQ_get_pubkey(req);
 605                 X509_set_pubkey(x,pkey);
 606                 EVP_PKEY_free(pkey);
 607                 }
 608         else
 609                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 610
 611         if (x == NULL) goto end;
 612         if (CA_flag)
 613                 {
 614                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 615                 if (xca == NULL) goto end;
 616                 }
 617
 618         if (!noout || text)
 619                 {
 620                 OBJ_create("2.99999.3",
 621                         "SET.ex3","SET x509v3 extension 3");
 622
 623                 out=BIO_new(BIO_s_file());
 624                 if (out == NULL)
 625                         {
 626                         ERR_print_errors(bio_err);
 627                         goto end;
 628                         }
 629                 if (outfile == NULL)
 630                         {
 631                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 632 #ifdef OPENSSL_SYS_VMS
 633                         {
 634                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 635                         out = BIO_push(tmpbio, out);
 636                         }
 637 #endif
 638                         }
 639                 else
 640                         {
 641                         if (BIO_write_filename(out,outfile) <= 0)
 642                                 {
 643                                 perror(outfile);
 644                                 goto end;
 645                                 }
 646                         }
 647                 }
 648
 649         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 650
 651         if (clrtrust) X509_trust_clear(x);
 652         if (clrreject) X509_reject_clear(x);
 653
 654         if (trust)
 655                 {
 656                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 657                         {
 658                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 659                         X509_add1_trust_object(x, objtmp);
 660                         }
 661                 }
 662
 663         if (reject)
 664                 {
 665                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 666                         {
 667                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 668                         X509_add1_reject_object(x, objtmp);
 669                         }
 670                 }
 671
 672         if (num)
 673                 {
 674                 for (i=1; i<=num; i++)
 675                         {
 676                         if (issuer == i)
 677                                 {
 678                                 print_name(STDout, "issuer= ",
 679                                         X509_get_issuer_name(x), nmflag);
 680                                 }
 681                         else if (subject == i)
 682                                 {
 683                                 print_name(STDout, "subject= ",
 684                                         X509_get_subject_name(x), nmflag);
 685                                 }
 686                         else if (serial == i)
 687                                 {
 688                                 BIO_printf(STDout,"serial=");
 689                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 690                                 BIO_printf(STDout,"\n");
 691                                 }
 692                         else if (email == i)
 693                                 {
 694                                 int j;
 695                                 STACK *emlst;
 696                                 emlst = X509_get1_email(x);
 697                                 for (j = 0; j < sk_num(emlst); j++)
 698                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 699                                 X509_email_free(emlst);
 700                                 }
 701                         else if (aliasout == i)
 702                                 {
 703                                 unsigned char *alstr;
 704                                 alstr = X509_alias_get0(x, NULL);
 705                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 706                                 else BIO_puts(STDout,"<No Alias>\n");
 707                                 }
 708                         else if (hash == i)
 709                                 {
 710                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 711                                 }
 712                         else if (pprint == i)
 713                                 {
 714                                 X509_PURPOSE *ptmp;
 715                                 int j;
 716                                 BIO_printf(STDout, "Certificate purposes:\n");
 717                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 718                                         {
 719                                         ptmp = X509_PURPOSE_get0(j);
 720                                         purpose_print(STDout, x, ptmp);
 721                                         }
 722                                 }
 723                         else
 724                                 if (modulus == i)
 725                                 {
 726                                 EVP_PKEY *pkey;
 727
 728                                 pkey=X509_get_pubkey(x);
 729                                 if (pkey == NULL)
 730                                         {
 731                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 732                                         ERR_print_errors(bio_err);
 733                                         goto end;
 734                                         }
 735                                 BIO_printf(STDout,"Modulus=");
 736 #ifndef OPENSSL_NO_RSA
 737                                 if (pkey->type == EVP_PKEY_RSA)
 738                                         BN_print(STDout,pkey->pkey.rsa->n);
 739                                 else
 740 #endif
 741 #ifndef OPENSSL_NO_DSA
 742                                 if (pkey->type == EVP_PKEY_DSA)
 743                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 744                                 else
 745 #endif
 746                                         BIO_printf(STDout,"Wrong Algorithm type");
 747                                 BIO_printf(STDout,"\n");
 748                                 EVP_PKEY_free(pkey);
 749                                 }
 750                         else
 751                                 if (pubkey == i)
 752                                 {
 753                                 EVP_PKEY *pkey;
 754
 755                                 pkey=X509_get_pubkey(x);
 756                                 if (pkey == NULL)
 757                                         {
 758                                         BIO_printf(bio_err,"Error getting public key\n");
 759                                         ERR_print_errors(bio_err);
 760                                         goto end;
 761                                         }
 762                                 PEM_write_bio_PUBKEY(STDout, pkey);
 763                                 EVP_PKEY_free(pkey);
 764                                 }
 765                         else
 766                                 if (C == i)
 767                                 {
 768                                 unsigned char *d;
 769                                 char *m;
 770                                 int y,z;
 771
 772                                 X509_NAME_oneline(X509_get_subject_name(x),
 773                                         buf,sizeof buf);
 774                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 775                                 m=X509_NAME_oneline(
 776                                         X509_get_issuer_name(x),buf,
 777                                         sizeof buf);
 778                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 779
 780                                 z=i2d_X509(x,NULL);
 781                                 m=OPENSSL_malloc(z);
 782
 783                                 d=(unsigned char *)m;
 784                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 785                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 786                                 d=(unsigned char *)m;
 787                                 for (y=0; y<z; y++)
 788                                         {
 789                                         BIO_printf(STDout,"0x%02X,",d[y]);
 790                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 791                                         }
 792                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 793                                 BIO_printf(STDout,"};\n");
 794
 795                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 796                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 797                                 d=(unsigned char *)m;
 798                                 for (y=0; y<z; y++)
 799                                         {
 800                                         BIO_printf(STDout,"0x%02X,",d[y]);
 801                                         if ((y & 0x0f) == 0x0f)
 802                                                 BIO_printf(STDout,"\n");
 803                                         }
 804                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 805                                 BIO_printf(STDout,"};\n");
 806
 807                                 z=i2d_X509(x,&d);
 808                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 809                                 d=(unsigned char *)m;
 810                                 for (y=0; y<z; y++)
 811                                         {
 812                                         BIO_printf(STDout,"0x%02X,",d[y]);
 813                                         if ((y & 0x0f) == 0x0f)
 814                                                 BIO_printf(STDout,"\n");
 815                                         }
 816                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 817                                 BIO_printf(STDout,"};\n");
 818
 819                                 OPENSSL_free(m);
 820                                 }
 821                         else if (text == i)
 822                                 {
 823                                 X509_print_ex(out,x,nmflag, certflag);
 824                                 }
 825                         else if (startdate == i)
 826                                 {
 827                                 BIO_puts(STDout,"notBefore=");
 828                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 829                                 BIO_puts(STDout,"\n");
 830                                 }
 831                         else if (enddate == i)
 832                                 {
 833                                 BIO_puts(STDout,"notAfter=");
 834                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 835                                 BIO_puts(STDout,"\n");
 836                                 }
 837                         else if (fingerprint == i)
 838                                 {
 839                                 int j;
 840                                 unsigned int n;
 841                                 unsigned char md[EVP_MAX_MD_SIZE];
 842
 843                                 if (!X509_digest(x,digest,md,&n))
 844                                         {
 845                                         BIO_printf(bio_err,"out of memory\n");
 846                                         goto end;
 847                                         }
 848                                 BIO_printf(STDout,"%s Fingerprint=",
 849                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 850                                 for (j=0; j<(int)n; j++)
 851                                         {
 852                                         BIO_printf(STDout,"%02X%c",md[j],
 853                                                 (j+1 == (int)n)
 854                                                 ?'\n':':');
 855                                         }
 856                                 }
 857
 858                         /* should be in the library */
 859                         else if ((sign_flag == i) && (x509req == 0))
 860                                 {
 861                                 BIO_printf(bio_err,"Getting Private key\n");
 862                                 if (Upkey == NULL)
 863                                         {
 864                                         Upkey=load_key(bio_err,
 865                                                 keyfile, keyformat, 0,
 866                                                 passin, e, "Private key");
 867                                         if (Upkey == NULL) goto end;
 868                                         }
 869 #ifndef OPENSSL_NO_DSA
 870                                 if (Upkey->type == EVP_PKEY_DSA)
 871                                         digest=EVP_dss1();
 872 #endif
 873 #ifndef OPENSSL_NO_ECDSA
 874                                 if (Upkey->type == EVP_PKEY_EC)
 875                                         digest=EVP_ecdsa();
 876 #endif
 877
 878                                 assert(need_rand);
 879                                 if (!sign(x,Upkey,days,clrext,digest,
 880                                                  extconf, extsect)) goto end;
 881                                 }
 882                         else if (CA_flag == i)
 883                                 {
 884                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 885                                 if (CAkeyfile != NULL)
 886                                         {
 887                                         CApkey=load_key(bio_err,
 888                                                 CAkeyfile, CAkeyformat,
 889                                                 0, passin, e,
 890                                                 "CA Private Key");
 891                                         if (CApkey == NULL) goto end;
 892                                         }
 893 #ifndef OPENSSL_NO_DSA
 894                                 if (CApkey->type == EVP_PKEY_DSA)
 895                                         digest=EVP_dss1();
 896 #endif
 897 #ifndef OPENSSL_NO_ECDSA
 898                                 if (CApkey->type == EVP_PKEY_EC)
 899                                         digest = EVP_ecdsa();
 900 #endif
 901
 902                                 assert(need_rand);
 903                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 904                                         CApkey, CAserial,CA_createserial,days, clrext,
 905                                         extconf, extsect, sno))
 906                                         goto end;
 907                                 }
 908                         else if (x509req == i)
 909                                 {
 910                                 EVP_PKEY *pk;
 911
 912                                 BIO_printf(bio_err,"Getting request Private Key\n");
 913                                 if (keyfile == NULL)
 914                                         {
 915                                         BIO_printf(bio_err,"no request key file specified\n");
 916                                         goto end;
 917                                         }
 918                                 else
 919                                         {
 920                                         pk=load_key(bio_err,
 921                                                 keyfile, FORMAT_PEM, 0,
 922                                                 passin, e, "request key");
 923                                         if (pk == NULL) goto end;
 924                                         }
 925
 926                                 BIO_printf(bio_err,"Generating certificate request\n");
 927
 928 #ifndef OPENSSL_NO_DSA
 929                                 if (pk->type == EVP_PKEY_DSA)
 930                                         digest=EVP_dss1();
 931 #endif
 932 #ifndef OPENSSL_NO_ECDSA
 933                                 if (pk->type == EVP_PKEY_EC)
 934                                         digest=EVP_ecdsa();
 935 #endif
 936
 937                                 rq=X509_to_X509_REQ(x,pk,digest);
 938                                 EVP_PKEY_free(pk);
 939                                 if (rq == NULL)
 940                                         {
 941                                         ERR_print_errors(bio_err);
 942                                         goto end;
 943                                         }
 944                                 if (!noout)
 945                                         {
 946                                         X509_REQ_print(out,rq);
 947                                         PEM_write_bio_X509_REQ(out,rq);
 948                                         }
 949                                 noout=1;
 950                                 }
 951                         else if (ocspid == i)
 952                                 {
 953                                 X509_ocspid_print(out, x);
 954                                 }
 955                         }
 956                 }
 957
 958         if (checkend)
 959                 {
 960                 time_t tnow=time(NULL);
 961
 962                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
 963                         {
 964                         BIO_printf(out,"Certificate will expire\n");
 965                         ret=1;
 966                         }
 967                 else
 968                         {
 969                         BIO_printf(out,"Certificate will not expire\n");
 970                         ret=0;
 971                         }
 972                 goto end;
 973                 }
 974
 975         if (noout)
 976                 {
 977                 ret=0;
 978                 goto end;
 979                 }
 980
 981         if      (outformat == FORMAT_ASN1)
 982                 i=i2d_X509_bio(out,x);
 983         else if (outformat == FORMAT_PEM)
 984                 {
 985                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
 986                 else i=PEM_write_bio_X509(out,x);
 987                 }
 988         else if (outformat == FORMAT_NETSCAPE)
 989                 {
 990                 ASN1_HEADER ah;
 991                 ASN1_OCTET_STRING os;
 992
 993                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
 994                 os.length=strlen(NETSCAPE_CERT_HDR);
 995                 ah.header= &os;
 996                 ah.data=(char *)x;
 997                 ah.meth=X509_asn1_meth();
 998
 999                 /* no macro for this one yet */
1000                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
1001                 }
1002         else    {
1003                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1004                 goto end;
1005                 }
1006         if (!i)
1007                 {
1008                 BIO_printf(bio_err,"unable to write certificate\n");
1009                 ERR_print_errors(bio_err);
1010                 goto end;
1011                 }
1012         ret=0;
1013 end:
1014         if (need_rand)
1015                 app_RAND_write_file(NULL, bio_err);
1016         OBJ_cleanup();
1017         NCONF_free(extconf);
1018         BIO_free_all(out);
1019         BIO_free_all(STDout);
1020         X509_STORE_free(ctx);
1021         X509_REQ_free(req);
1022         X509_free(x);
1023         X509_free(xca);
1024         EVP_PKEY_free(Upkey);
1025         EVP_PKEY_free(CApkey);
1026         X509_REQ_free(rq);
1027         ASN1_INTEGER_free(sno);
1028         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1029         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1030         if (passin) OPENSSL_free(passin);
1031         apps_shutdown();
1032         OPENSSL_EXIT(ret);
1033         }
1034
1035 static ASN1_INTEGER *load_serial(char *CAfile, char *serialfile, int create)
1036         {
1037         char *buf = NULL, *p;
1038         MS_STATIC char buf2[1024];
1039         ASN1_INTEGER *bs = NULL, *bs2 = NULL;
1040         BIO *io = NULL;
1041         BIGNUM *serial = NULL;
1042
1043         buf=OPENSSL_malloc( ((serialfile == NULL)
1044                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
1045                         :(strlen(serialfile)))+1);
1046         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1047         if (serialfile == NULL)
1048                 {
1049                 strcpy(buf,CAfile);
1050                 for (p=buf; *p; p++)
1051                         if (*p == '.')
1052                                 {
1053                                 *p='\0';
1054                                 break;
1055                                 }
1056                 strcat(buf,POSTFIX);
1057                 }
1058         else
1059                 strcpy(buf,serialfile);
1060         serial=BN_new();
1061         bs=ASN1_INTEGER_new();
1062         if ((serial == NULL) || (bs == NULL))
1063                 {
1064                 ERR_print_errors(bio_err);
1065                 goto end;
1066                 }
1067
1068         io=BIO_new(BIO_s_file());
1069         if (io == NULL)
1070                 {
1071                 ERR_print_errors(bio_err);
1072                 goto end;
1073                 }
1074
1075         if (BIO_read_filename(io,buf) <= 0)
1076                 {
1077                 if (!create)
1078                         {
1079                         perror(buf);
1080                         goto end;
1081                         }
1082                 else
1083                         {
1084                         ASN1_INTEGER_set(bs,1);
1085                         BN_one(serial);
1086                         }
1087                 }
1088         else
1089                 {
1090                 if (!a2i_ASN1_INTEGER(io,bs,buf2,sizeof buf2))
1091                         {
1092                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1093                         ERR_print_errors(bio_err);
1094                         goto end;
1095                         }
1096                 else
1097                         {
1098                         serial=BN_bin2bn(bs->data,bs->length,serial);
1099                         if (serial == NULL)
1100                                 {
1101                                 BIO_printf(bio_err,"error converting bin 2 bn");
1102                                 goto end;
1103                                 }
1104                         }
1105                 }
1106
1107         if (!BN_add_word(serial,1))
1108                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1109         if (!(bs2 = BN_to_ASN1_INTEGER(serial, NULL)))
1110                 { BIO_printf(bio_err,"error converting bn 2 asn1_integer\n"); goto end; }
1111         if (BIO_write_filename(io,buf) <= 0)
1112                 {
1113                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1114                 perror(buf);
1115                 goto end;
1116                 }
1117         i2a_ASN1_INTEGER(io,bs2);
1118         BIO_puts(io,"\n");
1119
1120         BIO_free(io);
1121         if (buf) OPENSSL_free(buf);
1122         ASN1_INTEGER_free(bs2);
1123         BN_free(serial);
1124         io=NULL;
1125         return bs;
1126
1127         end:
1128         if (buf) OPENSSL_free(buf);
1129         BIO_free(io);
1130         ASN1_INTEGER_free(bs);
1131         BN_free(serial);
1132         return NULL;
1133
1134         }
1135
1136 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1137              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
1138              int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
1139         {
1140         int ret=0;
1141         ASN1_INTEGER *bs=NULL;
1142         X509_STORE_CTX xsc;
1143         EVP_PKEY *upkey;
1144
1145         upkey = X509_get_pubkey(xca);
1146         EVP_PKEY_copy_parameters(upkey,pkey);
1147         EVP_PKEY_free(upkey);
1148
1149         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1150                 {
1151                 BIO_printf(bio_err,"Error initialising X509 store\n");
1152                 goto end;
1153                 }
1154         if (sno) bs = sno;
1155         else if (!(bs = load_serial(CAfile, serialfile, create)))
1156                 goto end;
1157
1158         if (!X509_STORE_add_cert(ctx,x)) goto end;
1159
1160         /* NOTE: this certificate can/should be self signed, unless it was
1161          * a certificate request in which case it is not. */
1162         X509_STORE_CTX_set_cert(&xsc,x);
1163         if (!reqfile && !X509_verify_cert(&xsc))
1164                 goto end;
1165
1166         if (!X509_check_private_key(xca,pkey))
1167                 {
1168                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1169                 goto end;
1170                 }
1171
1172         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1173         if (!X509_set_serialNumber(x,bs)) goto end;
1174
1175         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1176                 goto end;
1177
1178         /* hardwired expired */
1179         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1180                 goto end;
1181
1182         if (clrext)
1183                 {
1184                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1185                 }
1186
1187         if (conf)
1188                 {
1189                 X509V3_CTX ctx2;
1190                 X509_set_version(x,2); /* version 3 certificate */
1191                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1192                 X509V3_set_nconf(&ctx2, conf);
1193                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1194                 }
1195
1196         if (!X509_sign(x,pkey,digest)) goto end;
1197         ret=1;
1198 end:
1199         X509_STORE_CTX_cleanup(&xsc);
1200         if (!ret)
1201                 ERR_print_errors(bio_err);
1202         if (!sno) ASN1_INTEGER_free(bs);
1203         return ret;
1204         }
1205
1206 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1207         {
1208         int err;
1209         X509 *err_cert;
1210
1211         /* it is ok to use a self signed certificate
1212          * This case will catch both the initial ok == 0 and the
1213          * final ok == 1 calls to this function */
1214         err=X509_STORE_CTX_get_error(ctx);
1215         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1216                 return 1;
1217
1218         /* BAD we should have gotten an error.  Normally if everything
1219          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1220          * DEPTH_ZERO_SELF_.... */
1221         if (ok)
1222                 {
1223                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1224                 return 0;
1225                 }
1226         else
1227                 {
1228                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1229                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1230                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1231                         err,X509_STORE_CTX_get_error_depth(ctx),
1232                         X509_verify_cert_error_string(err));
1233                 return 1;
1234                 }
1235         }
1236
1237 /* self sign */
1238 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1239                                                 CONF *conf, char *section)
1240         {
1241
1242         EVP_PKEY *pktmp;
1243
1244         pktmp = X509_get_pubkey(x);
1245         EVP_PKEY_copy_parameters(pktmp,pkey);
1246         EVP_PKEY_save_parameters(pktmp,1);
1247         EVP_PKEY_free(pktmp);
1248
1249         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1250         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1251
1252         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1253         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1254         /* 28 days to be certified */
1255
1256         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1257                 goto err;
1258
1259         if (!X509_set_pubkey(x,pkey)) goto err;
1260         if (clrext)
1261                 {
1262                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1263                 }
1264         if (conf)
1265                 {
1266                 X509V3_CTX ctx;
1267                 X509_set_version(x,2); /* version 3 certificate */
1268                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1269                 X509V3_set_nconf(&ctx, conf);
1270                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1271                 }
1272         if (!X509_sign(x,pkey,digest)) goto err;
1273         return 1;
1274 err:
1275         ERR_print_errors(bio_err);
1276         return 0;
1277         }
1278
1279 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1280 {
1281         int id, i, idret;
1282         char *pname;
1283         id = X509_PURPOSE_get_id(pt);
1284         pname = X509_PURPOSE_get0_name(pt);
1285         for (i = 0; i < 2; i++)
1286                 {
1287                 idret = X509_check_purpose(cert, id, i);
1288                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1289                 if (idret == 1) BIO_printf(bio, "Yes\n");
1290                 else if (idret == 0) BIO_printf(bio, "No\n");
1291                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1292                 }
1293         return 1;
1294 }