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 #ifndef OPENSSL_NO_RSA
  77 #include <openssl/rsa.h>
  78 #endif
  79 #ifndef OPENSSL_NO_DSA
  80 #include <openssl/dsa.h>
  81 #endif
  82
  83 #undef PROG
  84 #define PROG x509_main
  85
  86 #undef POSTFIX
  87 #define POSTFIX ".srl"
  88 #define DEF_DAYS        30
  89
  90 static const char *x509_usage[]={
  91 "usage: x509 args\n",
  92 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  93 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  94 " -keyform arg    - private key format - default PEM\n",
  95 " -CAform arg     - CA format - default PEM\n",
  96 " -CAkeyform arg  - CA key format - default PEM\n",
  97 " -in arg         - input file - default stdin\n",
  98 " -out arg        - output file - default stdout\n",
  99 " -passin arg     - private key password source\n",
 100 " -serial         - print serial number value\n",
 101 " -subject_hash   - print subject hash value\n",
 102 #ifndef OPENSSL_NO_MD5
 103 " -subject_hash_old   - print old-style (MD5) subject hash value\n",
 104 #endif
 105 " -issuer_hash    - print issuer hash value\n",
 106 #ifndef OPENSSL_NO_MD5
 107 " -issuer_hash_old    - print old-style (MD5) issuer hash value\n",
 108 #endif
 109 " -hash           - synonym for -subject_hash\n",
 110 " -subject        - print subject DN\n",
 111 " -issuer         - print issuer DN\n",
 112 " -email          - print email address(es)\n",
 113 " -startdate      - notBefore field\n",
 114 " -enddate        - notAfter field\n",
 115 " -purpose        - print out certificate purposes\n",
 116 " -dates          - both Before and After dates\n",
 117 " -modulus        - print the RSA key modulus\n",
 118 " -pubkey         - output the public key\n",
 119 " -fingerprint    - print the certificate fingerprint\n",
 120 " -alias          - output certificate alias\n",
 121 " -noout          - no certificate output\n",
 122 " -ocspid         - print OCSP hash values for the subject name and public key\n",
 123 " -ocsp_uri       - print OCSP Responder URL(s)\n",
 124 " -trustout       - output a \"trusted\" certificate\n",
 125 " -clrtrust       - clear all trusted purposes\n",
 126 " -clrreject      - clear all rejected purposes\n",
 127 " -addtrust arg   - trust certificate for a given purpose\n",
 128 " -addreject arg  - reject certificate for a given purpose\n",
 129 " -setalias arg   - set certificate alias\n",
 130 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 131 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 132 "                   exit 1 if so, 0 if not\n",
 133 " -signkey arg    - self sign cert with arg\n",
 134 " -x509toreq      - output a certification request object\n",
 135 " -req            - input is a certificate request, sign and output.\n",
 136 " -CA arg         - set the CA certificate, must be PEM format.\n",
 137 " -CAkey arg      - set the CA key, must be PEM format\n",
 138 "                   missing, it is assumed to be in the CA file.\n",
 139 " -CAcreateserial - create serial number file if it does not exist\n",
 140 " -CAserial arg   - serial file\n",
 141 " -set_serial     - serial number to use\n",
 142 " -text           - print the certificate in text form\n",
 143 " -C              - print out C code forms\n",
 144 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 145 " -extfile        - configuration file with X509V3 extensions to add\n",
 146 " -extensions     - section from config file with X509V3 extensions to add\n",
 147 " -clrext         - delete extensions before signing and input certificate\n",
 148 " -nameopt arg    - various certificate name options\n",
 149 #ifndef OPENSSL_NO_ENGINE
 150 " -engine e       - use engine e, possibly a hardware device.\n",
 151 #endif
 152 " -certopt arg    - various certificate text options\n",
 153 NULL
 154 };
 155
 156 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 157 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 158                                                 CONF *conf, char *section);
 159 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 160                          X509 *x,X509 *xca,EVP_PKEY *pkey,
 161                          STACK_OF(OPENSSL_STRING) *sigopts,
 162                          char *serial, int create ,int days, int clrext,
 163                          CONF *conf, char *section, ASN1_INTEGER *sno);
 164 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 165 static int reqfile=0;
 166
 167 int MAIN(int, char **);
 168
 169 int MAIN(int argc, char **argv)
 170         {
 171         ENGINE *e = NULL;
 172         int ret=1;
 173         X509_REQ *req=NULL;
 174         X509 *x=NULL,*xca=NULL;
 175         ASN1_OBJECT *objtmp;
 176         STACK_OF(OPENSSL_STRING) *sigopts = NULL;
 177         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 178         ASN1_INTEGER *sno = NULL;
 179         int i,num,badops=0;
 180         BIO *out=NULL;
 181         BIO *STDout=NULL;
 182         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 183         int informat,outformat,keyformat,CAformat,CAkeyformat;
 184         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 185         char *CAkeyfile=NULL,*CAserial=NULL;
 186         char *alias=NULL;
 187         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
 188         int next_serial=0;
 189         int subject_hash=0,issuer_hash=0,ocspid=0;
 190 #ifndef OPENSSL_NO_MD5
 191         int subject_hash_old=0,issuer_hash_old=0;
 192 #endif
 193         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 194         int ocsp_uri=0;
 195         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 196         int C=0;
 197         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 198         int pprint = 0;
 199         const char **pp;
 200         X509_STORE *ctx=NULL;
 201         X509_REQ *rq=NULL;
 202         int fingerprint=0;
 203         char buf[256];
 204         const EVP_MD *md_alg,*digest=NULL;
 205         CONF *extconf = NULL;
 206         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 207         int need_rand = 0;
 208         int checkend=0,checkoffset=0;
 209         unsigned long nmflag = 0, certflag = 0;
 210         unsigned char *checkhost = NULL, *checkemail = NULL;
 211         char *checkip = NULL;
 212 #ifndef OPENSSL_NO_ENGINE
 213         char *engine=NULL;
 214 #endif
 215
 216         reqfile=0;
 217
 218         apps_startup();
 219
 220         if (bio_err == NULL)
 221                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 222
 223         if (!load_config(bio_err, NULL))
 224                 goto end;
 225         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 226 #ifdef OPENSSL_SYS_VMS
 227         {
 228         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 229         STDout = BIO_push(tmpbio, STDout);
 230         }
 231 #endif
 232
 233         informat=FORMAT_PEM;
 234         outformat=FORMAT_PEM;
 235         keyformat=FORMAT_PEM;
 236         CAformat=FORMAT_PEM;
 237         CAkeyformat=FORMAT_PEM;
 238
 239         ctx=X509_STORE_new();
 240         if (ctx == NULL) goto end;
 241         X509_STORE_set_verify_cb(ctx,callb);
 242
 243         argc--;
 244         argv++;
 245         num=0;
 246         while (argc >= 1)
 247                 {
 248                 if      (strcmp(*argv,"-inform") == 0)
 249                         {
 250                         if (--argc < 1) goto bad;
 251                         informat=str2fmt(*(++argv));
 252                         }
 253                 else if (strcmp(*argv,"-outform") == 0)
 254                         {
 255                         if (--argc < 1) goto bad;
 256                         outformat=str2fmt(*(++argv));
 257                         }
 258                 else if (strcmp(*argv,"-keyform") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         keyformat=str2fmt(*(++argv));
 262                         }
 263                 else if (strcmp(*argv,"-req") == 0)
 264                         {
 265                         reqfile=1;
 266                         need_rand = 1;
 267                         }
 268                 else if (strcmp(*argv,"-CAform") == 0)
 269                         {
 270                         if (--argc < 1) goto bad;
 271                         CAformat=str2fmt(*(++argv));
 272                         }
 273                 else if (strcmp(*argv,"-CAkeyform") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         CAkeyformat=str2fmt(*(++argv));
 277                         }
 278                 else if (strcmp(*argv,"-sigopt") == 0)
 279                         {
 280                         if (--argc < 1)
 281                                 goto bad;
 282                         if (!sigopts)
 283                                 sigopts = sk_OPENSSL_STRING_new_null();
 284                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
 285                                 goto bad;
 286                         }
 287                 else if (strcmp(*argv,"-days") == 0)
 288                         {
 289                         if (--argc < 1) goto bad;
 290                         days=atoi(*(++argv));
 291                         if (days == 0)
 292                                 {
 293                                 BIO_printf(bio_err,"bad number of days\n");
 294                                 goto bad;
 295                                 }
 296                         }
 297                 else if (strcmp(*argv,"-passin") == 0)
 298                         {
 299                         if (--argc < 1) goto bad;
 300                         passargin= *(++argv);
 301                         }
 302                 else if (strcmp(*argv,"-extfile") == 0)
 303                         {
 304                         if (--argc < 1) goto bad;
 305                         extfile= *(++argv);
 306                         }
 307                 else if (strcmp(*argv,"-extensions") == 0)
 308                         {
 309                         if (--argc < 1) goto bad;
 310                         extsect= *(++argv);
 311                         }
 312                 else if (strcmp(*argv,"-in") == 0)
 313                         {
 314                         if (--argc < 1) goto bad;
 315                         infile= *(++argv);
 316                         }
 317                 else if (strcmp(*argv,"-out") == 0)
 318                         {
 319                         if (--argc < 1) goto bad;
 320                         outfile= *(++argv);
 321                         }
 322                 else if (strcmp(*argv,"-signkey") == 0)
 323                         {
 324                         if (--argc < 1) goto bad;
 325                         keyfile= *(++argv);
 326                         sign_flag= ++num;
 327                         need_rand = 1;
 328                         }
 329                 else if (strcmp(*argv,"-CA") == 0)
 330                         {
 331                         if (--argc < 1) goto bad;
 332                         CAfile= *(++argv);
 333                         CA_flag= ++num;
 334                         need_rand = 1;
 335                         }
 336                 else if (strcmp(*argv,"-CAkey") == 0)
 337                         {
 338                         if (--argc < 1) goto bad;
 339                         CAkeyfile= *(++argv);
 340                         }
 341                 else if (strcmp(*argv,"-CAserial") == 0)
 342                         {
 343                         if (--argc < 1) goto bad;
 344                         CAserial= *(++argv);
 345                         }
 346                 else if (strcmp(*argv,"-set_serial") == 0)
 347                         {
 348                         if (--argc < 1) goto bad;
 349                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 350                                 goto bad;
 351                         }
 352                 else if (strcmp(*argv,"-addtrust") == 0)
 353                         {
 354                         if (--argc < 1) goto bad;
 355                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 356                                 {
 357                                 BIO_printf(bio_err,
 358                                         "Invalid trust object value %s\n", *argv);
 359                                 goto bad;
 360                                 }
 361                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 362                         sk_ASN1_OBJECT_push(trust, objtmp);
 363                         trustout = 1;
 364                         }
 365                 else if (strcmp(*argv,"-addreject") == 0)
 366                         {
 367                         if (--argc < 1) goto bad;
 368                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 369                                 {
 370                                 BIO_printf(bio_err,
 371                                         "Invalid reject object value %s\n", *argv);
 372                                 goto bad;
 373                                 }
 374                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 375                         sk_ASN1_OBJECT_push(reject, objtmp);
 376                         trustout = 1;
 377                         }
 378                 else if (strcmp(*argv,"-setalias") == 0)
 379                         {
 380                         if (--argc < 1) goto bad;
 381                         alias= *(++argv);
 382                         trustout = 1;
 383                         }
 384                 else if (strcmp(*argv,"-certopt") == 0)
 385                         {
 386                         if (--argc < 1) goto bad;
 387                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 388                         }
 389                 else if (strcmp(*argv,"-nameopt") == 0)
 390                         {
 391                         if (--argc < 1) goto bad;
 392                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 393                         }
 394 #ifndef OPENSSL_NO_ENGINE
 395                 else if (strcmp(*argv,"-engine") == 0)
 396                         {
 397                         if (--argc < 1) goto bad;
 398                         engine= *(++argv);
 399                         }
 400 #endif
 401                 else if (strcmp(*argv,"-C") == 0)
 402                         C= ++num;
 403                 else if (strcmp(*argv,"-email") == 0)
 404                         email= ++num;
 405                 else if (strcmp(*argv,"-ocsp_uri") == 0)
 406                         ocsp_uri= ++num;
 407                 else if (strcmp(*argv,"-serial") == 0)
 408                         serial= ++num;
 409                 else if (strcmp(*argv,"-next_serial") == 0)
 410                         next_serial= ++num;
 411                 else if (strcmp(*argv,"-modulus") == 0)
 412                         modulus= ++num;
 413                 else if (strcmp(*argv,"-pubkey") == 0)
 414                         pubkey= ++num;
 415                 else if (strcmp(*argv,"-x509toreq") == 0)
 416                         x509req= ++num;
 417                 else if (strcmp(*argv,"-text") == 0)
 418                         text= ++num;
 419                 else if (strcmp(*argv,"-hash") == 0
 420                         || strcmp(*argv,"-subject_hash") == 0)
 421                         subject_hash= ++num;
 422 #ifndef OPENSSL_NO_MD5
 423                 else if (strcmp(*argv,"-subject_hash_old") == 0)
 424                         subject_hash_old= ++num;
 425 #endif
 426                 else if (strcmp(*argv,"-issuer_hash") == 0)
 427                         issuer_hash= ++num;
 428 #ifndef OPENSSL_NO_MD5
 429                 else if (strcmp(*argv,"-issuer_hash_old") == 0)
 430                         issuer_hash_old= ++num;
 431 #endif
 432                 else if (strcmp(*argv,"-subject") == 0)
 433                         subject= ++num;
 434                 else if (strcmp(*argv,"-issuer") == 0)
 435                         issuer= ++num;
 436                 else if (strcmp(*argv,"-fingerprint") == 0)
 437                         fingerprint= ++num;
 438                 else if (strcmp(*argv,"-dates") == 0)
 439                         {
 440                         startdate= ++num;
 441                         enddate= ++num;
 442                         }
 443                 else if (strcmp(*argv,"-purpose") == 0)
 444                         pprint= ++num;
 445                 else if (strcmp(*argv,"-startdate") == 0)
 446                         startdate= ++num;
 447                 else if (strcmp(*argv,"-enddate") == 0)
 448                         enddate= ++num;
 449                 else if (strcmp(*argv,"-checkend") == 0)
 450                         {
 451                         if (--argc < 1) goto bad;
 452                         checkoffset=atoi(*(++argv));
 453                         checkend=1;
 454                         }
 455                 else if (strcmp(*argv,"-checkhost") == 0)
 456                         {
 457                         if (--argc < 1) goto bad;
 458                         checkhost=(unsigned char *)*(++argv);
 459                         }
 460                 else if (strcmp(*argv,"-checkemail") == 0)
 461                         {
 462                         if (--argc < 1) goto bad;
 463                         checkemail=(unsigned char *)*(++argv);
 464                         }
 465                 else if (strcmp(*argv,"-checkip") == 0)
 466                         {
 467                         if (--argc < 1) goto bad;
 468                         checkip=*(++argv);
 469                         }
 470                 else if (strcmp(*argv,"-noout") == 0)
 471                         noout= ++num;
 472                 else if (strcmp(*argv,"-trustout") == 0)
 473                         trustout= 1;
 474                 else if (strcmp(*argv,"-clrtrust") == 0)
 475                         clrtrust= ++num;
 476                 else if (strcmp(*argv,"-clrreject") == 0)
 477                         clrreject= ++num;
 478                 else if (strcmp(*argv,"-alias") == 0)
 479                         aliasout= ++num;
 480                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 481                         CA_createserial= ++num;
 482                 else if (strcmp(*argv,"-clrext") == 0)
 483                         clrext = 1;
 484 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 485                 else if (strcmp(*argv,"-crlext") == 0)
 486                         {
 487                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 488                         clrext = 1;
 489                         }
 490 #endif
 491                 else if (strcmp(*argv,"-ocspid") == 0)
 492                         ocspid= ++num;
 493                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 494                         {
 495                         /* ok */
 496                         digest=md_alg;
 497                         }
 498                 else
 499                         {
 500                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 501                         badops=1;
 502                         break;
 503                         }
 504                 argc--;
 505                 argv++;
 506                 }
 507
 508         if (badops)
 509                 {
 510 bad:
 511                 for (pp=x509_usage; (*pp != NULL); pp++)
 512                         BIO_printf(bio_err,"%s",*pp);
 513                 goto end;
 514                 }
 515
 516 #ifndef OPENSSL_NO_ENGINE
 517         e = setup_engine(bio_err, engine, 0);
 518 #endif
 519
 520         if (need_rand)
 521                 app_RAND_load_file(NULL, bio_err, 0);
 522
 523         ERR_load_crypto_strings();
 524
 525         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 526                 {
 527                 BIO_printf(bio_err, "Error getting password\n");
 528                 goto end;
 529                 }
 530
 531         if (!X509_STORE_set_default_paths(ctx))
 532                 {
 533                 ERR_print_errors(bio_err);
 534                 goto end;
 535                 }
 536
 537         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 538                 { CAkeyfile=CAfile; }
 539         else if ((CA_flag) && (CAkeyfile == NULL))
 540                 {
 541                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 542                 goto end;
 543                 }
 544
 545         if (extfile)
 546                 {
 547                 long errorline = -1;
 548                 X509V3_CTX ctx2;
 549                 extconf = NCONF_new(NULL);
 550                 if (!NCONF_load(extconf, extfile,&errorline))
 551                         {
 552                         if (errorline <= 0)
 553                                 BIO_printf(bio_err,
 554                                         "error loading the config file '%s'\n",
 555                                                                 extfile);
 556                         else
 557                                 BIO_printf(bio_err,
 558                                        "error on line %ld of config file '%s'\n"
 559                                                         ,errorline,extfile);
 560                         goto end;
 561                         }
 562                 if (!extsect)
 563                         {
 564                         extsect = NCONF_get_string(extconf, "default", "extensions");
 565                         if (!extsect)
 566                                 {
 567                                 ERR_clear_error();
 568                                 extsect = "default";
 569                                 }
 570                         }
 571                 X509V3_set_ctx_test(&ctx2);
 572                 X509V3_set_nconf(&ctx2, extconf);
 573                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 574                         {
 575                         BIO_printf(bio_err,
 576                                 "Error Loading extension section %s\n",
 577                                                                  extsect);
 578                         ERR_print_errors(bio_err);
 579                         goto end;
 580                         }
 581                 }
 582
 583
 584         if (reqfile)
 585                 {
 586                 EVP_PKEY *pkey;
 587                 BIO *in;
 588
 589                 if (!sign_flag && !CA_flag)
 590                         {
 591                         BIO_printf(bio_err,"We need a private key to sign with\n");
 592                         goto end;
 593                         }
 594                 in=BIO_new(BIO_s_file());
 595                 if (in == NULL)
 596                         {
 597                         ERR_print_errors(bio_err);
 598                         goto end;
 599                         }
 600
 601                 if (infile == NULL)
 602                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 603                 else
 604                         {
 605                         if (BIO_read_filename(in,infile) <= 0)
 606                                 {
 607                                 perror(infile);
 608                                 BIO_free(in);
 609                                 goto end;
 610                                 }
 611                         }
 612                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 613                 BIO_free(in);
 614
 615                 if (req == NULL)
 616                         {
 617                         ERR_print_errors(bio_err);
 618                         goto end;
 619                         }
 620
 621                 if (    (req->req_info == NULL) ||
 622                         (req->req_info->pubkey == NULL) ||
 623                         (req->req_info->pubkey->public_key == NULL) ||
 624                         (req->req_info->pubkey->public_key->data == NULL))
 625                         {
 626                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 627                         BIO_printf(bio_err,"It does not contain a public key\n");
 628                         goto end;
 629                         }
 630                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 631                         {
 632                         BIO_printf(bio_err,"error unpacking public key\n");
 633                         goto end;
 634                         }
 635                 i=X509_REQ_verify(req,pkey);
 636                 EVP_PKEY_free(pkey);
 637                 if (i < 0)
 638                         {
 639                         BIO_printf(bio_err,"Signature verification error\n");
 640                         ERR_print_errors(bio_err);
 641                         goto end;
 642                         }
 643                 if (i == 0)
 644                         {
 645                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 646                         goto end;
 647                         }
 648                 else
 649                         BIO_printf(bio_err,"Signature ok\n");
 650
 651                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 652
 653                 if ((x=X509_new()) == NULL) goto end;
 654
 655                 if (sno == NULL)
 656                         {
 657                         sno = ASN1_INTEGER_new();
 658                         if (!sno || !rand_serial(NULL, sno))
 659                                 goto end;
 660                         if (!X509_set_serialNumber(x, sno))
 661                                 goto end;
 662                         ASN1_INTEGER_free(sno);
 663                         sno = NULL;
 664                         }
 665                 else if (!X509_set_serialNumber(x, sno))
 666                         goto end;
 667
 668                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 669                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 670
 671                 X509_gmtime_adj(X509_get_notBefore(x),0);
 672                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
 673
 674                 pkey = X509_REQ_get_pubkey(req);
 675                 X509_set_pubkey(x,pkey);
 676                 EVP_PKEY_free(pkey);
 677                 }
 678         else
 679                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 680
 681         if (x == NULL) goto end;
 682         if (CA_flag)
 683                 {
 684                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 685                 if (xca == NULL) goto end;
 686                 }
 687
 688         if (!noout || text || next_serial)
 689                 {
 690                 OBJ_create("2.99999.3",
 691                         "SET.ex3","SET x509v3 extension 3");
 692
 693                 out=BIO_new(BIO_s_file());
 694                 if (out == NULL)
 695                         {
 696                         ERR_print_errors(bio_err);
 697                         goto end;
 698                         }
 699                 if (outfile == NULL)
 700                         {
 701                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 702 #ifdef OPENSSL_SYS_VMS
 703                         {
 704                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 705                         out = BIO_push(tmpbio, out);
 706                         }
 707 #endif
 708                         }
 709                 else
 710                         {
 711                         if (BIO_write_filename(out,outfile) <= 0)
 712                                 {
 713                                 perror(outfile);
 714                                 goto end;
 715                                 }
 716                         }
 717                 }
 718
 719         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 720
 721         if (clrtrust) X509_trust_clear(x);
 722         if (clrreject) X509_reject_clear(x);
 723
 724         if (trust)
 725                 {
 726                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 727                         {
 728                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 729                         X509_add1_trust_object(x, objtmp);
 730                         }
 731                 }
 732
 733         if (reject)
 734                 {
 735                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 736                         {
 737                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 738                         X509_add1_reject_object(x, objtmp);
 739                         }
 740                 }
 741
 742         if (num)
 743                 {
 744                 for (i=1; i<=num; i++)
 745                         {
 746                         if (issuer == i)
 747                                 {
 748                                 print_name(STDout, "issuer= ",
 749                                         X509_get_issuer_name(x), nmflag);
 750                                 }
 751                         else if (subject == i)
 752                                 {
 753                                 print_name(STDout, "subject= ",
 754                                         X509_get_subject_name(x), nmflag);
 755                                 }
 756                         else if (serial == i)
 757                                 {
 758                                 BIO_printf(STDout,"serial=");
 759                                 i2a_ASN1_INTEGER(STDout,
 760                                         X509_get_serialNumber(x));
 761                                 BIO_printf(STDout,"\n");
 762                                 }
 763                         else if (next_serial == i)
 764                                 {
 765                                 BIGNUM *bnser;
 766                                 ASN1_INTEGER *ser;
 767                                 ser = X509_get_serialNumber(x);
 768                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 769                                 if (!bnser)
 770                                         goto end;
 771                                 if (!BN_add_word(bnser, 1))
 772                                         goto end;
 773                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 774                                 if (!ser)
 775                                         goto end;
 776                                 BN_free(bnser);
 777                                 i2a_ASN1_INTEGER(out, ser);
 778                                 ASN1_INTEGER_free(ser);
 779                                 BIO_puts(out, "\n");
 780                                 }
 781                         else if ((email == i) || (ocsp_uri == i))
 782                                 {
 783                                 int j;
 784                                 STACK_OF(OPENSSL_STRING) *emlst;
 785                                 if (email == i)
 786                                         emlst = X509_get1_email(x);
 787                                 else
 788                                         emlst = X509_get1_ocsp(x);
 789                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
 790                                         BIO_printf(STDout, "%s\n",
 791                                                    sk_OPENSSL_STRING_value(emlst, j));
 792                                 X509_email_free(emlst);
 793                                 }
 794                         else if (aliasout == i)
 795                                 {
 796                                 unsigned char *alstr;
 797                                 alstr = X509_alias_get0(x, NULL);
 798                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 799                                 else BIO_puts(STDout,"<No Alias>\n");
 800                                 }
 801                         else if (subject_hash == i)
 802                                 {
 803                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 804                                 }
 805 #ifndef OPENSSL_NO_MD5
 806                         else if (subject_hash_old == i)
 807                                 {
 808                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
 809                                 }
 810 #endif
 811                         else if (issuer_hash == i)
 812                                 {
 813                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
 814                                 }
 815 #ifndef OPENSSL_NO_MD5
 816                         else if (issuer_hash_old == i)
 817                                 {
 818                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
 819                                 }
 820 #endif
 821                         else if (pprint == i)
 822                                 {
 823                                 X509_PURPOSE *ptmp;
 824                                 int j;
 825                                 BIO_printf(STDout, "Certificate purposes:\n");
 826                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 827                                         {
 828                                         ptmp = X509_PURPOSE_get0(j);
 829                                         purpose_print(STDout, x, ptmp);
 830                                         }
 831                                 }
 832                         else
 833                                 if (modulus == i)
 834                                 {
 835                                 EVP_PKEY *pkey;
 836
 837                                 pkey=X509_get_pubkey(x);
 838                                 if (pkey == NULL)
 839                                         {
 840                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 841                                         ERR_print_errors(bio_err);
 842                                         goto end;
 843                                         }
 844                                 BIO_printf(STDout,"Modulus=");
 845 #ifndef OPENSSL_NO_RSA
 846                                 if (pkey->type == EVP_PKEY_RSA)
 847                                         BN_print(STDout,pkey->pkey.rsa->n);
 848                                 else
 849 #endif
 850 #ifndef OPENSSL_NO_DSA
 851                                 if (pkey->type == EVP_PKEY_DSA)
 852                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 853                                 else
 854 #endif
 855                                         BIO_printf(STDout,"Wrong Algorithm type");
 856                                 BIO_printf(STDout,"\n");
 857                                 EVP_PKEY_free(pkey);
 858                                 }
 859                         else
 860                                 if (pubkey == i)
 861                                 {
 862                                 EVP_PKEY *pkey;
 863
 864                                 pkey=X509_get_pubkey(x);
 865                                 if (pkey == NULL)
 866                                         {
 867                                         BIO_printf(bio_err,"Error getting public key\n");
 868                                         ERR_print_errors(bio_err);
 869                                         goto end;
 870                                         }
 871                                 PEM_write_bio_PUBKEY(STDout, pkey);
 872                                 EVP_PKEY_free(pkey);
 873                                 }
 874                         else
 875                                 if (C == i)
 876                                 {
 877                                 unsigned char *d;
 878                                 char *m;
 879                                 int y,z;
 880
 881                                 X509_NAME_oneline(X509_get_subject_name(x),
 882                                         buf,sizeof buf);
 883                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 884                                 m=X509_NAME_oneline(
 885                                         X509_get_issuer_name(x),buf,
 886                                         sizeof buf);
 887                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 888
 889                                 z=i2d_X509(x,NULL);
 890                                 m=OPENSSL_malloc(z);
 891
 892                                 d=(unsigned char *)m;
 893                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 894                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 895                                 d=(unsigned char *)m;
 896                                 for (y=0; y<z; y++)
 897                                         {
 898                                         BIO_printf(STDout,"0x%02X,",d[y]);
 899                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 900                                         }
 901                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 902                                 BIO_printf(STDout,"};\n");
 903
 904                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 905                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 906                                 d=(unsigned char *)m;
 907                                 for (y=0; y<z; y++)
 908                                         {
 909                                         BIO_printf(STDout,"0x%02X,",d[y]);
 910                                         if ((y & 0x0f) == 0x0f)
 911                                                 BIO_printf(STDout,"\n");
 912                                         }
 913                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 914                                 BIO_printf(STDout,"};\n");
 915
 916                                 z=i2d_X509(x,&d);
 917                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 918                                 d=(unsigned char *)m;
 919                                 for (y=0; y<z; y++)
 920                                         {
 921                                         BIO_printf(STDout,"0x%02X,",d[y]);
 922                                         if ((y & 0x0f) == 0x0f)
 923                                                 BIO_printf(STDout,"\n");
 924                                         }
 925                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 926                                 BIO_printf(STDout,"};\n");
 927
 928                                 OPENSSL_free(m);
 929                                 }
 930                         else if (text == i)
 931                                 {
 932                                 X509_print_ex(STDout,x,nmflag, certflag);
 933                                 }
 934                         else if (startdate == i)
 935                                 {
 936                                 BIO_puts(STDout,"notBefore=");
 937                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 938                                 BIO_puts(STDout,"\n");
 939                                 }
 940                         else if (enddate == i)
 941                                 {
 942                                 BIO_puts(STDout,"notAfter=");
 943                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 944                                 BIO_puts(STDout,"\n");
 945                                 }
 946                         else if (fingerprint == i)
 947                                 {
 948                                 int j;
 949                                 unsigned int n;
 950                                 unsigned char md[EVP_MAX_MD_SIZE];
 951                                 const EVP_MD *fdig = digest;
 952
 953                                 if (!fdig)
 954                                         fdig = EVP_sha1();
 955
 956                                 if (!X509_digest(x,fdig,md,&n))
 957                                         {
 958                                         BIO_printf(bio_err,"out of memory\n");
 959                                         goto end;
 960                                         }
 961                                 BIO_printf(STDout,"%s Fingerprint=",
 962                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
 963                                 for (j=0; j<(int)n; j++)
 964                                         {
 965                                         BIO_printf(STDout,"%02X%c",md[j],
 966                                                 (j+1 == (int)n)
 967                                                 ?'\n':':');
 968                                         }
 969                                 }
 970
 971                         /* should be in the library */
 972                         else if ((sign_flag == i) && (x509req == 0))
 973                                 {
 974                                 BIO_printf(bio_err,"Getting Private key\n");
 975                                 if (Upkey == NULL)
 976                                         {
 977                                         Upkey=load_key(bio_err,
 978                                                 keyfile, keyformat, 0,
 979                                                 passin, e, "Private key");
 980                                         if (Upkey == NULL) goto end;
 981                                         }
 982
 983                                 assert(need_rand);
 984                                 if (!sign(x,Upkey,days,clrext,digest,
 985                                                  extconf, extsect)) goto end;
 986                                 }
 987                         else if (CA_flag == i)
 988                                 {
 989                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 990                                 if (CAkeyfile != NULL)
 991                                         {
 992                                         CApkey=load_key(bio_err,
 993                                                 CAkeyfile, CAkeyformat,
 994                                                 0, passin, e,
 995                                                 "CA Private Key");
 996                                         if (CApkey == NULL) goto end;
 997                                         }
 998
 999                                 assert(need_rand);
1000                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
1001                                         CApkey, sigopts,
1002                                         CAserial,CA_createserial,days, clrext,
1003                                         extconf, extsect, sno))
1004                                         goto end;
1005                                 }
1006                         else if (x509req == i)
1007                                 {
1008                                 EVP_PKEY *pk;
1009
1010                                 BIO_printf(bio_err,"Getting request Private Key\n");
1011                                 if (keyfile == NULL)
1012                                         {
1013                                         BIO_printf(bio_err,"no request key file specified\n");
1014                                         goto end;
1015                                         }
1016                                 else
1017                                         {
1018                                         pk=load_key(bio_err,
1019                                                 keyfile, keyformat, 0,
1020                                                 passin, e, "request key");
1021                                         if (pk == NULL) goto end;
1022                                         }
1023
1024                                 BIO_printf(bio_err,"Generating certificate request\n");
1025
1026                                 rq=X509_to_X509_REQ(x,pk,digest);
1027                                 EVP_PKEY_free(pk);
1028                                 if (rq == NULL)
1029                                         {
1030                                         ERR_print_errors(bio_err);
1031                                         goto end;
1032                                         }
1033                                 if (!noout)
1034                                         {
1035                                         X509_REQ_print(out,rq);
1036                                         PEM_write_bio_X509_REQ(out,rq);
1037                                         }
1038                                 noout=1;
1039                                 }
1040                         else if (ocspid == i)
1041                                 {
1042                                 X509_ocspid_print(out, x);
1043                                 }
1044                         }
1045                 }
1046
1047         if (checkend)
1048                 {
1049                 time_t tcheck=time(NULL) + checkoffset;
1050
1051                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1052                         {
1053                         BIO_printf(out,"Certificate will expire\n");
1054                         ret=1;
1055                         }
1056                 else
1057                         {
1058                         BIO_printf(out,"Certificate will not expire\n");
1059                         ret=0;
1060                         }
1061                 goto end;
1062                 }
1063
1064         print_cert_checks(STDout, x, checkhost, checkemail, checkip);
1065
1066         if (noout)
1067                 {
1068                 ret=0;
1069                 goto end;
1070                 }
1071
1072         if      (outformat == FORMAT_ASN1)
1073                 i=i2d_X509_bio(out,x);
1074         else if (outformat == FORMAT_PEM)
1075                 {
1076                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1077                 else i=PEM_write_bio_X509(out,x);
1078                 }
1079         else if (outformat == FORMAT_NETSCAPE)
1080                 {
1081                 NETSCAPE_X509 nx;
1082                 ASN1_OCTET_STRING hdr;
1083
1084                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1085                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1086                 nx.header= &hdr;
1087                 nx.cert=x;
1088
1089                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1090                 }
1091         else    {
1092                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1093                 goto end;
1094                 }
1095         if (!i)
1096                 {
1097                 BIO_printf(bio_err,"unable to write certificate\n");
1098                 ERR_print_errors(bio_err);
1099                 goto end;
1100                 }
1101         ret=0;
1102 end:
1103         if (need_rand)
1104                 app_RAND_write_file(NULL, bio_err);
1105         OBJ_cleanup();
1106         NCONF_free(extconf);
1107         BIO_free_all(out);
1108         BIO_free_all(STDout);
1109         X509_STORE_free(ctx);
1110         X509_REQ_free(req);
1111         X509_free(x);
1112         X509_free(xca);
1113         EVP_PKEY_free(Upkey);
1114         EVP_PKEY_free(CApkey);
1115         if (sigopts)
1116                 sk_OPENSSL_STRING_free(sigopts);
1117         X509_REQ_free(rq);
1118         ASN1_INTEGER_free(sno);
1119         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1120         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1121         if (passin) OPENSSL_free(passin);
1122         apps_shutdown();
1123         OPENSSL_EXIT(ret);
1124         }
1125
1126 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1127         {
1128         char *buf = NULL, *p;
1129         ASN1_INTEGER *bs = NULL;
1130         BIGNUM *serial = NULL;
1131         size_t len;
1132
1133         len = ((serialfile == NULL)
1134                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1135                 :(strlen(serialfile)))+1;
1136         buf=OPENSSL_malloc(len);
1137         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1138         if (serialfile == NULL)
1139                 {
1140                 BUF_strlcpy(buf,CAfile,len);
1141                 for (p=buf; *p; p++)
1142                         if (*p == '.')
1143                                 {
1144                                 *p='\0';
1145                                 break;
1146                                 }
1147                 BUF_strlcat(buf,POSTFIX,len);
1148                 }
1149         else
1150                 BUF_strlcpy(buf,serialfile,len);
1151
1152         serial = load_serial(buf, create, NULL);
1153         if (serial == NULL) goto end;
1154
1155         if (!BN_add_word(serial,1))
1156                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1157
1158         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1159
1160  end:
1161         if (buf) OPENSSL_free(buf);
1162         BN_free(serial);
1163         return bs;
1164         }
1165
1166 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1167                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1168                         STACK_OF(OPENSSL_STRING) *sigopts,
1169                         char *serialfile, int create,
1170                         int days, int clrext, CONF *conf, char *section,
1171                         ASN1_INTEGER *sno)
1172         {
1173         int ret=0;
1174         ASN1_INTEGER *bs=NULL;
1175         X509_STORE_CTX xsc;
1176         EVP_PKEY *upkey;
1177
1178         upkey = X509_get_pubkey(xca);
1179         EVP_PKEY_copy_parameters(upkey,pkey);
1180         EVP_PKEY_free(upkey);
1181
1182         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1183                 {
1184                 BIO_printf(bio_err,"Error initialising X509 store\n");
1185                 goto end;
1186                 }
1187         if (sno) bs = sno;
1188         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1189                 goto end;
1190
1191 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1192
1193         /* NOTE: this certificate can/should be self signed, unless it was
1194          * a certificate request in which case it is not. */
1195         X509_STORE_CTX_set_cert(&xsc,x);
1196         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1197         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1198                 goto end;
1199
1200         if (!X509_check_private_key(xca,pkey))
1201                 {
1202                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1203                 goto end;
1204                 }
1205
1206         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1207         if (!X509_set_serialNumber(x,bs)) goto end;
1208
1209         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1210                 goto end;
1211
1212         /* hardwired expired */
1213         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1214                 goto end;
1215
1216         if (clrext)
1217                 {
1218                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1219                 }
1220
1221         if (conf)
1222                 {
1223                 X509V3_CTX ctx2;
1224                 X509_set_version(x,2); /* version 3 certificate */
1225                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1226                 X509V3_set_nconf(&ctx2, conf);
1227                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1228                 }
1229
1230         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1231                 goto end;
1232         ret=1;
1233 end:
1234         X509_STORE_CTX_cleanup(&xsc);
1235         if (!ret)
1236                 ERR_print_errors(bio_err);
1237         if (!sno) ASN1_INTEGER_free(bs);
1238         return ret;
1239         }
1240
1241 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1242         {
1243         int err;
1244         X509 *err_cert;
1245
1246         /* it is ok to use a self signed certificate
1247          * This case will catch both the initial ok == 0 and the
1248          * final ok == 1 calls to this function */
1249         err=X509_STORE_CTX_get_error(ctx);
1250         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1251                 return 1;
1252
1253         /* BAD we should have gotten an error.  Normally if everything
1254          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1255          * DEPTH_ZERO_SELF_.... */
1256         if (ok)
1257                 {
1258                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1259                 return 0;
1260                 }
1261         else
1262                 {
1263                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1264                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1265                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1266                         err,X509_STORE_CTX_get_error_depth(ctx),
1267                         X509_verify_cert_error_string(err));
1268                 return 1;
1269                 }
1270         }
1271
1272 /* self sign */
1273 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1274                                                 CONF *conf, char *section)
1275         {
1276
1277         EVP_PKEY *pktmp;
1278
1279         pktmp = X509_get_pubkey(x);
1280         EVP_PKEY_copy_parameters(pktmp,pkey);
1281         EVP_PKEY_save_parameters(pktmp,1);
1282         EVP_PKEY_free(pktmp);
1283
1284         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1285         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1286
1287         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1288         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1289         /* 28 days to be certified */
1290
1291         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1292                 goto err;
1293
1294         if (!X509_set_pubkey(x,pkey)) goto err;
1295         if (clrext)
1296                 {
1297                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1298                 }
1299         if (conf)
1300                 {
1301                 X509V3_CTX ctx;
1302                 X509_set_version(x,2); /* version 3 certificate */
1303                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1304                 X509V3_set_nconf(&ctx, conf);
1305                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1306                 }
1307         if (!X509_sign(x,pkey,digest)) goto err;
1308         return 1;
1309 err:
1310         ERR_print_errors(bio_err);
1311         return 0;
1312         }
1313
1314 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1315 {
1316         int id, i, idret;
1317         char *pname;
1318         id = X509_PURPOSE_get_id(pt);
1319         pname = X509_PURPOSE_get0_name(pt);
1320         for (i = 0; i < 2; i++)
1321                 {
1322                 idret = X509_check_purpose(cert, id, i);
1323                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1324                 if (idret == 1) BIO_printf(bio, "Yes\n");
1325                 else if (idret == 0) BIO_printf(bio, "No\n");
1326                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1327                 }
1328         return 1;
1329 }