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