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 " -checkhost host - check certificate matches \"host\"\n",
 154 " -checkemail email - check certificate matches \"email\"\n",
 155 " -checkip ipaddr - check certificate matches \"ipaddr\"\n",
 156 NULL
 157 };
 158
 159 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 160 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 161                                                 CONF *conf, char *section);
 162 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 163                          X509 *x,X509 *xca,EVP_PKEY *pkey,
 164                          STACK_OF(OPENSSL_STRING) *sigopts,
 165                          char *serial, int create ,int days, int clrext,
 166                          CONF *conf, char *section, ASN1_INTEGER *sno);
 167 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 168 static int reqfile=0;
 169
 170 int MAIN(int, char **);
 171
 172 int MAIN(int argc, char **argv)
 173         {
 174         ENGINE *e = NULL;
 175         int ret=1;
 176         X509_REQ *req=NULL;
 177         X509 *x=NULL,*xca=NULL;
 178         ASN1_OBJECT *objtmp;
 179         STACK_OF(OPENSSL_STRING) *sigopts = NULL;
 180         EVP_PKEY *Upkey=NULL,*CApkey=NULL, *fkey = NULL;
 181         ASN1_INTEGER *sno = NULL;
 182         int i,num,badops=0;
 183         BIO *out=NULL;
 184         BIO *STDout=NULL;
 185         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 186         int informat,outformat,keyformat,CAformat,CAkeyformat;
 187         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 188         char *CAkeyfile=NULL,*CAserial=NULL;
 189         char *fkeyfile=NULL;
 190         char *alias=NULL;
 191         int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
 192         int next_serial=0;
 193         int subject_hash=0,issuer_hash=0,ocspid=0;
 194 #ifndef OPENSSL_NO_MD5
 195         int subject_hash_old=0,issuer_hash_old=0;
 196 #endif
 197         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 198         int ocsp_uri=0;
 199         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 200         int C=0;
 201         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 202         int pprint = 0;
 203         const char **pp;
 204         X509_STORE *ctx=NULL;
 205         X509_REQ *rq=NULL;
 206         int fingerprint=0;
 207         char buf[256];
 208         const EVP_MD *md_alg,*digest=NULL;
 209         CONF *extconf = NULL;
 210         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 211         int need_rand = 0;
 212         int checkend=0,checkoffset=0;
 213         unsigned long nmflag = 0, certflag = 0;
 214         unsigned char *checkhost = NULL, *checkemail = NULL;
 215         char *checkip = NULL;
 216 #ifndef OPENSSL_NO_ENGINE
 217         char *engine=NULL;
 218 #endif
 219
 220         reqfile=0;
 221
 222         apps_startup();
 223
 224         if (bio_err == NULL)
 225                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 226
 227         if (!load_config(bio_err, NULL))
 228                 goto end;
 229         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 230 #ifdef OPENSSL_SYS_VMS
 231         {
 232         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 233         STDout = BIO_push(tmpbio, STDout);
 234         }
 235 #endif
 236
 237         informat=FORMAT_PEM;
 238         outformat=FORMAT_PEM;
 239         keyformat=FORMAT_PEM;
 240         CAformat=FORMAT_PEM;
 241         CAkeyformat=FORMAT_PEM;
 242
 243         ctx=X509_STORE_new();
 244         if (ctx == NULL) goto end;
 245         X509_STORE_set_verify_cb(ctx,callb);
 246
 247         argc--;
 248         argv++;
 249         num=0;
 250         while (argc >= 1)
 251                 {
 252                 if      (strcmp(*argv,"-inform") == 0)
 253                         {
 254                         if (--argc < 1) goto bad;
 255                         informat=str2fmt(*(++argv));
 256                         }
 257                 else if (strcmp(*argv,"-outform") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         outformat=str2fmt(*(++argv));
 261                         }
 262                 else if (strcmp(*argv,"-keyform") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         keyformat=str2fmt(*(++argv));
 266                         }
 267                 else if (strcmp(*argv,"-req") == 0)
 268                         {
 269                         reqfile=1;
 270                         need_rand = 1;
 271                         }
 272                 else if (strcmp(*argv,"-CAform") == 0)
 273                         {
 274                         if (--argc < 1) goto bad;
 275                         CAformat=str2fmt(*(++argv));
 276                         }
 277                 else if (strcmp(*argv,"-CAkeyform") == 0)
 278                         {
 279                         if (--argc < 1) goto bad;
 280                         CAkeyformat=str2fmt(*(++argv));
 281                         }
 282                 else if (strcmp(*argv,"-sigopt") == 0)
 283                         {
 284                         if (--argc < 1)
 285                                 goto bad;
 286                         if (!sigopts)
 287                                 sigopts = sk_OPENSSL_STRING_new_null();
 288                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
 289                                 goto bad;
 290                         }
 291                 else if (strcmp(*argv,"-days") == 0)
 292                         {
 293                         if (--argc < 1) goto bad;
 294                         days=atoi(*(++argv));
 295                         if (days == 0)
 296                                 {
 297                                 BIO_printf(bio_err,"bad number of days\n");
 298                                 goto bad;
 299                                 }
 300                         }
 301                 else if (strcmp(*argv,"-passin") == 0)
 302                         {
 303                         if (--argc < 1) goto bad;
 304                         passargin= *(++argv);
 305                         }
 306                 else if (strcmp(*argv,"-extfile") == 0)
 307                         {
 308                         if (--argc < 1) goto bad;
 309                         extfile= *(++argv);
 310                         }
 311                 else if (strcmp(*argv,"-extensions") == 0)
 312                         {
 313                         if (--argc < 1) goto bad;
 314                         extsect= *(++argv);
 315                         }
 316                 else if (strcmp(*argv,"-in") == 0)
 317                         {
 318                         if (--argc < 1) goto bad;
 319                         infile= *(++argv);
 320                         }
 321                 else if (strcmp(*argv,"-out") == 0)
 322                         {
 323                         if (--argc < 1) goto bad;
 324                         outfile= *(++argv);
 325                         }
 326                 else if (strcmp(*argv,"-signkey") == 0)
 327                         {
 328                         if (--argc < 1) goto bad;
 329                         keyfile= *(++argv);
 330                         sign_flag= ++num;
 331                         need_rand = 1;
 332                         }
 333                 else if (strcmp(*argv,"-CA") == 0)
 334                         {
 335                         if (--argc < 1) goto bad;
 336                         CAfile= *(++argv);
 337                         CA_flag= ++num;
 338                         need_rand = 1;
 339                         }
 340                 else if (strcmp(*argv,"-CAkey") == 0)
 341                         {
 342                         if (--argc < 1) goto bad;
 343                         CAkeyfile= *(++argv);
 344                         }
 345                 else if (strcmp(*argv,"-CAserial") == 0)
 346                         {
 347                         if (--argc < 1) goto bad;
 348                         CAserial= *(++argv);
 349                         }
 350                 else if (strcmp(*argv,"-set_serial") == 0)
 351                         {
 352                         if (--argc < 1) goto bad;
 353                         if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
 354                                 goto bad;
 355                         }
 356                 else if (strcmp(*argv,"-force_pubkey") == 0)
 357                         {
 358                         if (--argc < 1) goto bad;
 359                         fkeyfile= *(++argv);
 360                         }
 361                 else if (strcmp(*argv,"-addtrust") == 0)
 362                         {
 363                         if (--argc < 1) goto bad;
 364                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 365                                 {
 366                                 BIO_printf(bio_err,
 367                                         "Invalid trust object value %s\n", *argv);
 368                                 goto bad;
 369                                 }
 370                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 371                         sk_ASN1_OBJECT_push(trust, objtmp);
 372                         trustout = 1;
 373                         }
 374                 else if (strcmp(*argv,"-addreject") == 0)
 375                         {
 376                         if (--argc < 1) goto bad;
 377                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 378                                 {
 379                                 BIO_printf(bio_err,
 380                                         "Invalid reject object value %s\n", *argv);
 381                                 goto bad;
 382                                 }
 383                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 384                         sk_ASN1_OBJECT_push(reject, objtmp);
 385                         trustout = 1;
 386                         }
 387                 else if (strcmp(*argv,"-setalias") == 0)
 388                         {
 389                         if (--argc < 1) goto bad;
 390                         alias= *(++argv);
 391                         trustout = 1;
 392                         }
 393                 else if (strcmp(*argv,"-certopt") == 0)
 394                         {
 395                         if (--argc < 1) goto bad;
 396                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 397                         }
 398                 else if (strcmp(*argv,"-nameopt") == 0)
 399                         {
 400                         if (--argc < 1) goto bad;
 401                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 402                         }
 403 #ifndef OPENSSL_NO_ENGINE
 404                 else if (strcmp(*argv,"-engine") == 0)
 405                         {
 406                         if (--argc < 1) goto bad;
 407                         engine= *(++argv);
 408                         }
 409 #endif
 410                 else if (strcmp(*argv,"-C") == 0)
 411                         C= ++num;
 412                 else if (strcmp(*argv,"-email") == 0)
 413                         email= ++num;
 414                 else if (strcmp(*argv,"-ocsp_uri") == 0)
 415                         ocsp_uri= ++num;
 416                 else if (strcmp(*argv,"-serial") == 0)
 417                         serial= ++num;
 418                 else if (strcmp(*argv,"-next_serial") == 0)
 419                         next_serial= ++num;
 420                 else if (strcmp(*argv,"-modulus") == 0)
 421                         modulus= ++num;
 422                 else if (strcmp(*argv,"-pubkey") == 0)
 423                         pubkey= ++num;
 424                 else if (strcmp(*argv,"-x509toreq") == 0)
 425                         x509req= ++num;
 426                 else if (strcmp(*argv,"-text") == 0)
 427                         text= ++num;
 428                 else if (strcmp(*argv,"-hash") == 0
 429                         || strcmp(*argv,"-subject_hash") == 0)
 430                         subject_hash= ++num;
 431 #ifndef OPENSSL_NO_MD5
 432                 else if (strcmp(*argv,"-subject_hash_old") == 0)
 433                         subject_hash_old= ++num;
 434 #endif
 435                 else if (strcmp(*argv,"-issuer_hash") == 0)
 436                         issuer_hash= ++num;
 437 #ifndef OPENSSL_NO_MD5
 438                 else if (strcmp(*argv,"-issuer_hash_old") == 0)
 439                         issuer_hash_old= ++num;
 440 #endif
 441                 else if (strcmp(*argv,"-subject") == 0)
 442                         subject= ++num;
 443                 else if (strcmp(*argv,"-issuer") == 0)
 444                         issuer= ++num;
 445                 else if (strcmp(*argv,"-fingerprint") == 0)
 446                         fingerprint= ++num;
 447                 else if (strcmp(*argv,"-dates") == 0)
 448                         {
 449                         startdate= ++num;
 450                         enddate= ++num;
 451                         }
 452                 else if (strcmp(*argv,"-purpose") == 0)
 453                         pprint= ++num;
 454                 else if (strcmp(*argv,"-startdate") == 0)
 455                         startdate= ++num;
 456                 else if (strcmp(*argv,"-enddate") == 0)
 457                         enddate= ++num;
 458                 else if (strcmp(*argv,"-checkend") == 0)
 459                         {
 460                         if (--argc < 1) goto bad;
 461                         checkoffset=atoi(*(++argv));
 462                         checkend=1;
 463                         }
 464                 else if (strcmp(*argv,"-checkhost") == 0)
 465                         {
 466                         if (--argc < 1) goto bad;
 467                         checkhost=(unsigned char *)*(++argv);
 468                         }
 469                 else if (strcmp(*argv,"-checkemail") == 0)
 470                         {
 471                         if (--argc < 1) goto bad;
 472                         checkemail=(unsigned char *)*(++argv);
 473                         }
 474                 else if (strcmp(*argv,"-checkip") == 0)
 475                         {
 476                         if (--argc < 1) goto bad;
 477                         checkip=*(++argv);
 478                         }
 479                 else if (strcmp(*argv,"-noout") == 0)
 480                         noout= ++num;
 481                 else if (strcmp(*argv,"-trustout") == 0)
 482                         trustout= 1;
 483                 else if (strcmp(*argv,"-clrtrust") == 0)
 484                         clrtrust= ++num;
 485                 else if (strcmp(*argv,"-clrreject") == 0)
 486                         clrreject= ++num;
 487                 else if (strcmp(*argv,"-alias") == 0)
 488                         aliasout= ++num;
 489                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 490                         CA_createserial= ++num;
 491                 else if (strcmp(*argv,"-clrext") == 0)
 492                         clrext = 1;
 493 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 494                 else if (strcmp(*argv,"-crlext") == 0)
 495                         {
 496                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 497                         clrext = 1;
 498                         }
 499 #endif
 500                 else if (strcmp(*argv,"-ocspid") == 0)
 501                         ocspid= ++num;
 502                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 503                         {
 504                         /* ok */
 505                         digest=md_alg;
 506                         }
 507                 else
 508                         {
 509                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 510                         badops=1;
 511                         break;
 512                         }
 513                 argc--;
 514                 argv++;
 515                 }
 516
 517         if (badops)
 518                 {
 519 bad:
 520                 for (pp=x509_usage; (*pp != NULL); pp++)
 521                         BIO_printf(bio_err,"%s",*pp);
 522                 goto end;
 523                 }
 524
 525 #ifndef OPENSSL_NO_ENGINE
 526         e = setup_engine(bio_err, engine, 0);
 527 #endif
 528
 529         if (need_rand)
 530                 app_RAND_load_file(NULL, bio_err, 0);
 531
 532         ERR_load_crypto_strings();
 533
 534         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 535                 {
 536                 BIO_printf(bio_err, "Error getting password\n");
 537                 goto end;
 538                 }
 539
 540         if (!X509_STORE_set_default_paths(ctx))
 541                 {
 542                 ERR_print_errors(bio_err);
 543                 goto end;
 544                 }
 545
 546         if (fkeyfile)
 547                 {
 548                 fkey = load_pubkey(bio_err, fkeyfile, keyformat, 0,
 549                                                 NULL, e, "Forced key");
 550                 if (fkey == NULL) goto end;
 551                 }
 552
 553         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 554                 { CAkeyfile=CAfile; }
 555         else if ((CA_flag) && (CAkeyfile == NULL))
 556                 {
 557                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 558                 goto end;
 559                 }
 560
 561         if (extfile)
 562                 {
 563                 long errorline = -1;
 564                 X509V3_CTX ctx2;
 565                 extconf = NCONF_new(NULL);
 566                 if (!NCONF_load(extconf, extfile,&errorline))
 567                         {
 568                         if (errorline <= 0)
 569                                 BIO_printf(bio_err,
 570                                         "error loading the config file '%s'\n",
 571                                                                 extfile);
 572                         else
 573                                 BIO_printf(bio_err,
 574                                        "error on line %ld of config file '%s'\n"
 575                                                         ,errorline,extfile);
 576                         goto end;
 577                         }
 578                 if (!extsect)
 579                         {
 580                         extsect = NCONF_get_string(extconf, "default", "extensions");
 581                         if (!extsect)
 582                                 {
 583                                 ERR_clear_error();
 584                                 extsect = "default";
 585                                 }
 586                         }
 587                 X509V3_set_ctx_test(&ctx2);
 588                 X509V3_set_nconf(&ctx2, extconf);
 589                 if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
 590                         {
 591                         BIO_printf(bio_err,
 592                                 "Error Loading extension section %s\n",
 593                                                                  extsect);
 594                         ERR_print_errors(bio_err);
 595                         goto end;
 596                         }
 597                 }
 598
 599
 600         if (reqfile)
 601                 {
 602                 EVP_PKEY *pkey;
 603                 BIO *in;
 604
 605                 if (!sign_flag && !CA_flag)
 606                         {
 607                         BIO_printf(bio_err,"We need a private key to sign with\n");
 608                         goto end;
 609                         }
 610                 in=BIO_new(BIO_s_file());
 611                 if (in == NULL)
 612                         {
 613                         ERR_print_errors(bio_err);
 614                         goto end;
 615                         }
 616
 617                 if (infile == NULL)
 618                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 619                 else
 620                         {
 621                         if (BIO_read_filename(in,infile) <= 0)
 622                                 {
 623                                 perror(infile);
 624                                 BIO_free(in);
 625                                 goto end;
 626                                 }
 627                         }
 628                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 629                 BIO_free(in);
 630
 631                 if (req == NULL)
 632                         {
 633                         ERR_print_errors(bio_err);
 634                         goto end;
 635                         }
 636
 637                 if (    (req->req_info == NULL) ||
 638                         (req->req_info->pubkey == NULL) ||
 639                         (req->req_info->pubkey->public_key == NULL) ||
 640                         (req->req_info->pubkey->public_key->data == NULL))
 641                         {
 642                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 643                         BIO_printf(bio_err,"It does not contain a public key\n");
 644                         goto end;
 645                         }
 646                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 647                         {
 648                         BIO_printf(bio_err,"error unpacking public key\n");
 649                         goto end;
 650                         }
 651                 i=X509_REQ_verify(req,pkey);
 652                 EVP_PKEY_free(pkey);
 653                 if (i < 0)
 654                         {
 655                         BIO_printf(bio_err,"Signature verification error\n");
 656                         ERR_print_errors(bio_err);
 657                         goto end;
 658                         }
 659                 if (i == 0)
 660                         {
 661                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 662                         goto end;
 663                         }
 664                 else
 665                         BIO_printf(bio_err,"Signature ok\n");
 666
 667                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 668
 669                 if ((x=X509_new()) == NULL) goto end;
 670
 671                 if (sno == NULL)
 672                         {
 673                         sno = ASN1_INTEGER_new();
 674                         if (!sno || !rand_serial(NULL, sno))
 675                                 goto end;
 676                         if (!X509_set_serialNumber(x, sno))
 677                                 goto end;
 678                         ASN1_INTEGER_free(sno);
 679                         sno = NULL;
 680                         }
 681                 else if (!X509_set_serialNumber(x, sno))
 682                         goto end;
 683
 684                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 685                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 686
 687                 X509_gmtime_adj(X509_get_notBefore(x),0);
 688                 X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
 689                 if (fkey)
 690                         X509_set_pubkey(x, fkey);
 691                 else
 692                         {
 693                         pkey = X509_REQ_get_pubkey(req);
 694                         X509_set_pubkey(x,pkey);
 695                         EVP_PKEY_free(pkey);
 696                         }
 697                 }
 698         else
 699                 x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
 700
 701         if (x == NULL) goto end;
 702         if (CA_flag)
 703                 {
 704                 xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
 705                 if (xca == NULL) goto end;
 706                 }
 707
 708         if (!noout || text || next_serial)
 709                 {
 710                 OBJ_create("2.99999.3",
 711                         "SET.ex3","SET x509v3 extension 3");
 712
 713                 out=BIO_new(BIO_s_file());
 714                 if (out == NULL)
 715                         {
 716                         ERR_print_errors(bio_err);
 717                         goto end;
 718                         }
 719                 if (outfile == NULL)
 720                         {
 721                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 722 #ifdef OPENSSL_SYS_VMS
 723                         {
 724                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 725                         out = BIO_push(tmpbio, out);
 726                         }
 727 #endif
 728                         }
 729                 else
 730                         {
 731                         if (BIO_write_filename(out,outfile) <= 0)
 732                                 {
 733                                 perror(outfile);
 734                                 goto end;
 735                                 }
 736                         }
 737                 }
 738
 739         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 740
 741         if (clrtrust) X509_trust_clear(x);
 742         if (clrreject) X509_reject_clear(x);
 743
 744         if (trust)
 745                 {
 746                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 747                         {
 748                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 749                         X509_add1_trust_object(x, objtmp);
 750                         }
 751                 }
 752
 753         if (reject)
 754                 {
 755                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 756                         {
 757                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 758                         X509_add1_reject_object(x, objtmp);
 759                         }
 760                 }
 761
 762         if (num)
 763                 {
 764                 for (i=1; i<=num; i++)
 765                         {
 766                         if (issuer == i)
 767                                 {
 768                                 print_name(STDout, "issuer= ",
 769                                         X509_get_issuer_name(x), nmflag);
 770                                 }
 771                         else if (subject == i)
 772                                 {
 773                                 print_name(STDout, "subject= ",
 774                                         X509_get_subject_name(x), nmflag);
 775                                 }
 776                         else if (serial == i)
 777                                 {
 778                                 BIO_printf(STDout,"serial=");
 779                                 i2a_ASN1_INTEGER(STDout,
 780                                         X509_get_serialNumber(x));
 781                                 BIO_printf(STDout,"\n");
 782                                 }
 783                         else if (next_serial == i)
 784                                 {
 785                                 BIGNUM *bnser;
 786                                 ASN1_INTEGER *ser;
 787                                 ser = X509_get_serialNumber(x);
 788                                 bnser = ASN1_INTEGER_to_BN(ser, NULL);
 789                                 if (!bnser)
 790                                         goto end;
 791                                 if (!BN_add_word(bnser, 1))
 792                                         goto end;
 793                                 ser = BN_to_ASN1_INTEGER(bnser, NULL);
 794                                 if (!ser)
 795                                         goto end;
 796                                 BN_free(bnser);
 797                                 i2a_ASN1_INTEGER(out, ser);
 798                                 ASN1_INTEGER_free(ser);
 799                                 BIO_puts(out, "\n");
 800                                 }
 801                         else if ((email == i) || (ocsp_uri == i))
 802                                 {
 803                                 int j;
 804                                 STACK_OF(OPENSSL_STRING) *emlst;
 805                                 if (email == i)
 806                                         emlst = X509_get1_email(x);
 807                                 else
 808                                         emlst = X509_get1_ocsp(x);
 809                                 for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
 810                                         BIO_printf(STDout, "%s\n",
 811                                                    sk_OPENSSL_STRING_value(emlst, j));
 812                                 X509_email_free(emlst);
 813                                 }
 814                         else if (aliasout == i)
 815                                 {
 816                                 unsigned char *alstr;
 817                                 alstr = X509_alias_get0(x, NULL);
 818                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 819                                 else BIO_puts(STDout,"<No Alias>\n");
 820                                 }
 821                         else if (subject_hash == i)
 822                                 {
 823                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 824                                 }
 825 #ifndef OPENSSL_NO_MD5
 826                         else if (subject_hash_old == i)
 827                                 {
 828                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
 829                                 }
 830 #endif
 831                         else if (issuer_hash == i)
 832                                 {
 833                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
 834                                 }
 835 #ifndef OPENSSL_NO_MD5
 836                         else if (issuer_hash_old == i)
 837                                 {
 838                                 BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
 839                                 }
 840 #endif
 841                         else if (pprint == i)
 842                                 {
 843                                 X509_PURPOSE *ptmp;
 844                                 int j;
 845                                 BIO_printf(STDout, "Certificate purposes:\n");
 846                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 847                                         {
 848                                         ptmp = X509_PURPOSE_get0(j);
 849                                         purpose_print(STDout, x, ptmp);
 850                                         }
 851                                 }
 852                         else
 853                                 if (modulus == i)
 854                                 {
 855                                 EVP_PKEY *pkey;
 856
 857                                 pkey=X509_get_pubkey(x);
 858                                 if (pkey == NULL)
 859                                         {
 860                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 861                                         ERR_print_errors(bio_err);
 862                                         goto end;
 863                                         }
 864                                 BIO_printf(STDout,"Modulus=");
 865 #ifndef OPENSSL_NO_RSA
 866                                 if (pkey->type == EVP_PKEY_RSA)
 867                                         BN_print(STDout,pkey->pkey.rsa->n);
 868                                 else
 869 #endif
 870 #ifndef OPENSSL_NO_DSA
 871                                 if (pkey->type == EVP_PKEY_DSA)
 872                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 873                                 else
 874 #endif
 875                                         BIO_printf(STDout,"Wrong Algorithm type");
 876                                 BIO_printf(STDout,"\n");
 877                                 EVP_PKEY_free(pkey);
 878                                 }
 879                         else
 880                                 if (pubkey == i)
 881                                 {
 882                                 EVP_PKEY *pkey;
 883
 884                                 pkey=X509_get_pubkey(x);
 885                                 if (pkey == NULL)
 886                                         {
 887                                         BIO_printf(bio_err,"Error getting public key\n");
 888                                         ERR_print_errors(bio_err);
 889                                         goto end;
 890                                         }
 891                                 PEM_write_bio_PUBKEY(STDout, pkey);
 892                                 EVP_PKEY_free(pkey);
 893                                 }
 894                         else
 895                                 if (C == i)
 896                                 {
 897                                 unsigned char *d;
 898                                 char *m;
 899                                 int y,z;
 900
 901                                 X509_NAME_oneline(X509_get_subject_name(x),
 902                                         buf,sizeof buf);
 903                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 904                                 m=X509_NAME_oneline(
 905                                         X509_get_issuer_name(x),buf,
 906                                         sizeof buf);
 907                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 908
 909                                 z=i2d_X509(x,NULL);
 910                                 m=OPENSSL_malloc(z);
 911
 912                                 d=(unsigned char *)m;
 913                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 914                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 915                                 d=(unsigned char *)m;
 916                                 for (y=0; y<z; y++)
 917                                         {
 918                                         BIO_printf(STDout,"0x%02X,",d[y]);
 919                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 920                                         }
 921                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 922                                 BIO_printf(STDout,"};\n");
 923
 924                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 925                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 926                                 d=(unsigned char *)m;
 927                                 for (y=0; y<z; y++)
 928                                         {
 929                                         BIO_printf(STDout,"0x%02X,",d[y]);
 930                                         if ((y & 0x0f) == 0x0f)
 931                                                 BIO_printf(STDout,"\n");
 932                                         }
 933                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 934                                 BIO_printf(STDout,"};\n");
 935
 936                                 z=i2d_X509(x,&d);
 937                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 938                                 d=(unsigned char *)m;
 939                                 for (y=0; y<z; y++)
 940                                         {
 941                                         BIO_printf(STDout,"0x%02X,",d[y]);
 942                                         if ((y & 0x0f) == 0x0f)
 943                                                 BIO_printf(STDout,"\n");
 944                                         }
 945                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 946                                 BIO_printf(STDout,"};\n");
 947
 948                                 OPENSSL_free(m);
 949                                 }
 950                         else if (text == i)
 951                                 {
 952                                 X509_print_ex(STDout,x,nmflag, certflag);
 953                                 }
 954                         else if (startdate == i)
 955                                 {
 956                                 BIO_puts(STDout,"notBefore=");
 957                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 958                                 BIO_puts(STDout,"\n");
 959                                 }
 960                         else if (enddate == i)
 961                                 {
 962                                 BIO_puts(STDout,"notAfter=");
 963                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 964                                 BIO_puts(STDout,"\n");
 965                                 }
 966                         else if (fingerprint == i)
 967                                 {
 968                                 int j;
 969                                 unsigned int n;
 970                                 unsigned char md[EVP_MAX_MD_SIZE];
 971                                 const EVP_MD *fdig = digest;
 972
 973                                 if (!fdig)
 974                                         fdig = EVP_sha1();
 975
 976                                 if (!X509_digest(x,fdig,md,&n))
 977                                         {
 978                                         BIO_printf(bio_err,"out of memory\n");
 979                                         goto end;
 980                                         }
 981                                 BIO_printf(STDout,"%s Fingerprint=",
 982                                                 OBJ_nid2sn(EVP_MD_type(fdig)));
 983                                 for (j=0; j<(int)n; j++)
 984                                         {
 985                                         BIO_printf(STDout,"%02X%c",md[j],
 986                                                 (j+1 == (int)n)
 987                                                 ?'\n':':');
 988                                         }
 989                                 }
 990
 991                         /* should be in the library */
 992                         else if ((sign_flag == i) && (x509req == 0))
 993                                 {
 994                                 BIO_printf(bio_err,"Getting Private key\n");
 995                                 if (Upkey == NULL)
 996                                         {
 997                                         Upkey=load_key(bio_err,
 998                                                 keyfile, keyformat, 0,
 999                                                 passin, e, "Private key");
1000                                         if (Upkey == NULL) goto end;
1001                                         }
1002
1003                                 assert(need_rand);
1004                                 if (!sign(x,Upkey,days,clrext,digest,
1005                                                  extconf, extsect)) goto end;
1006                                 }
1007                         else if (CA_flag == i)
1008                                 {
1009                                 BIO_printf(bio_err,"Getting CA Private Key\n");
1010                                 if (CAkeyfile != NULL)
1011                                         {
1012                                         CApkey=load_key(bio_err,
1013                                                 CAkeyfile, CAkeyformat,
1014                                                 0, passin, e,
1015                                                 "CA Private Key");
1016                                         if (CApkey == NULL) goto end;
1017                                         }
1018
1019                                 assert(need_rand);
1020                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
1021                                         CApkey, sigopts,
1022                                         CAserial,CA_createserial,days, clrext,
1023                                         extconf, extsect, sno))
1024                                         goto end;
1025                                 }
1026                         else if (x509req == i)
1027                                 {
1028                                 EVP_PKEY *pk;
1029
1030                                 BIO_printf(bio_err,"Getting request Private Key\n");
1031                                 if (keyfile == NULL)
1032                                         {
1033                                         BIO_printf(bio_err,"no request key file specified\n");
1034                                         goto end;
1035                                         }
1036                                 else
1037                                         {
1038                                         pk=load_key(bio_err,
1039                                                 keyfile, keyformat, 0,
1040                                                 passin, e, "request key");
1041                                         if (pk == NULL) goto end;
1042                                         }
1043
1044                                 BIO_printf(bio_err,"Generating certificate request\n");
1045
1046                                 rq=X509_to_X509_REQ(x,pk,digest);
1047                                 EVP_PKEY_free(pk);
1048                                 if (rq == NULL)
1049                                         {
1050                                         ERR_print_errors(bio_err);
1051                                         goto end;
1052                                         }
1053                                 if (!noout)
1054                                         {
1055                                         X509_REQ_print(out,rq);
1056                                         PEM_write_bio_X509_REQ(out,rq);
1057                                         }
1058                                 noout=1;
1059                                 }
1060                         else if (ocspid == i)
1061                                 {
1062                                 X509_ocspid_print(out, x);
1063                                 }
1064                         }
1065                 }
1066
1067         if (checkend)
1068                 {
1069                 time_t tcheck=time(NULL) + checkoffset;
1070
1071                 if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
1072                         {
1073                         BIO_printf(out,"Certificate will expire\n");
1074                         ret=1;
1075                         }
1076                 else
1077                         {
1078                         BIO_printf(out,"Certificate will not expire\n");
1079                         ret=0;
1080                         }
1081                 goto end;
1082                 }
1083
1084         print_cert_checks(STDout, x, checkhost, checkemail, checkip);
1085
1086         if (noout)
1087                 {
1088                 ret=0;
1089                 goto end;
1090                 }
1091
1092         if      (outformat == FORMAT_ASN1)
1093                 i=i2d_X509_bio(out,x);
1094         else if (outformat == FORMAT_PEM)
1095                 {
1096                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
1097                 else i=PEM_write_bio_X509(out,x);
1098                 }
1099         else if (outformat == FORMAT_NETSCAPE)
1100                 {
1101                 NETSCAPE_X509 nx;
1102                 ASN1_OCTET_STRING hdr;
1103
1104                 hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
1105                 hdr.length=strlen(NETSCAPE_CERT_HDR);
1106                 nx.header= &hdr;
1107                 nx.cert=x;
1108
1109                 i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
1110                 }
1111         else    {
1112                 BIO_printf(bio_err,"bad output format specified for outfile\n");
1113                 goto end;
1114                 }
1115         if (!i)
1116                 {
1117                 BIO_printf(bio_err,"unable to write certificate\n");
1118                 ERR_print_errors(bio_err);
1119                 goto end;
1120                 }
1121         ret=0;
1122 end:
1123         if (need_rand)
1124                 app_RAND_write_file(NULL, bio_err);
1125         OBJ_cleanup();
1126         NCONF_free(extconf);
1127         BIO_free_all(out);
1128         BIO_free_all(STDout);
1129         X509_STORE_free(ctx);
1130         X509_REQ_free(req);
1131         X509_free(x);
1132         X509_free(xca);
1133         EVP_PKEY_free(Upkey);
1134         EVP_PKEY_free(CApkey);
1135         EVP_PKEY_free(fkey);
1136         if (sigopts)
1137                 sk_OPENSSL_STRING_free(sigopts);
1138         X509_REQ_free(rq);
1139         ASN1_INTEGER_free(sno);
1140         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
1141         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
1142         if (passin) OPENSSL_free(passin);
1143         apps_shutdown();
1144         OPENSSL_EXIT(ret);
1145         }
1146
1147 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
1148         {
1149         char *buf = NULL, *p;
1150         ASN1_INTEGER *bs = NULL;
1151         BIGNUM *serial = NULL;
1152         size_t len;
1153
1154         len = ((serialfile == NULL)
1155                 ?(strlen(CAfile)+strlen(POSTFIX)+1)
1156                 :(strlen(serialfile)))+1;
1157         buf=OPENSSL_malloc(len);
1158         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
1159         if (serialfile == NULL)
1160                 {
1161                 BUF_strlcpy(buf,CAfile,len);
1162                 for (p=buf; *p; p++)
1163                         if (*p == '.')
1164                                 {
1165                                 *p='\0';
1166                                 break;
1167                                 }
1168                 BUF_strlcat(buf,POSTFIX,len);
1169                 }
1170         else
1171                 BUF_strlcpy(buf,serialfile,len);
1172
1173         serial = load_serial(buf, create, NULL);
1174         if (serial == NULL) goto end;
1175
1176         if (!BN_add_word(serial,1))
1177                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1178
1179         if (!save_serial(buf, NULL, serial, &bs)) goto end;
1180
1181  end:
1182         if (buf) OPENSSL_free(buf);
1183         BN_free(serial);
1184         return bs;
1185         }
1186
1187 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
1188                         X509 *x, X509 *xca, EVP_PKEY *pkey,
1189                         STACK_OF(OPENSSL_STRING) *sigopts,
1190                         char *serialfile, int create,
1191                         int days, int clrext, CONF *conf, char *section,
1192                         ASN1_INTEGER *sno)
1193         {
1194         int ret=0;
1195         ASN1_INTEGER *bs=NULL;
1196         X509_STORE_CTX xsc;
1197         EVP_PKEY *upkey;
1198
1199         upkey = X509_get_pubkey(xca);
1200         EVP_PKEY_copy_parameters(upkey,pkey);
1201         EVP_PKEY_free(upkey);
1202
1203         if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
1204                 {
1205                 BIO_printf(bio_err,"Error initialising X509 store\n");
1206                 goto end;
1207                 }
1208         if (sno) bs = sno;
1209         else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
1210                 goto end;
1211
1212 /*      if (!X509_STORE_add_cert(ctx,x)) goto end;*/
1213
1214         /* NOTE: this certificate can/should be self signed, unless it was
1215          * a certificate request in which case it is not. */
1216         X509_STORE_CTX_set_cert(&xsc,x);
1217         X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
1218         if (!reqfile && X509_verify_cert(&xsc) <= 0)
1219                 goto end;
1220
1221         if (!X509_check_private_key(xca,pkey))
1222                 {
1223                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1224                 goto end;
1225                 }
1226
1227         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1228         if (!X509_set_serialNumber(x,bs)) goto end;
1229
1230         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1231                 goto end;
1232
1233         /* hardwired expired */
1234         if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
1235                 goto end;
1236
1237         if (clrext)
1238                 {
1239                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1240                 }
1241
1242         if (conf)
1243                 {
1244                 X509V3_CTX ctx2;
1245                 X509_set_version(x,2); /* version 3 certificate */
1246                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1247                 X509V3_set_nconf(&ctx2, conf);
1248                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
1249                 }
1250
1251         if (!do_X509_sign(bio_err, x, pkey, digest, sigopts))
1252                 goto end;
1253         ret=1;
1254 end:
1255         X509_STORE_CTX_cleanup(&xsc);
1256         if (!ret)
1257                 ERR_print_errors(bio_err);
1258         if (!sno) ASN1_INTEGER_free(bs);
1259         return ret;
1260         }
1261
1262 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1263         {
1264         int err;
1265         X509 *err_cert;
1266
1267         /* it is ok to use a self signed certificate
1268          * This case will catch both the initial ok == 0 and the
1269          * final ok == 1 calls to this function */
1270         err=X509_STORE_CTX_get_error(ctx);
1271         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1272                 return 1;
1273
1274         /* BAD we should have gotten an error.  Normally if everything
1275          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1276          * DEPTH_ZERO_SELF_.... */
1277         if (ok)
1278                 {
1279                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1280                 return 0;
1281                 }
1282         else
1283                 {
1284                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1285                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1286                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1287                         err,X509_STORE_CTX_get_error_depth(ctx),
1288                         X509_verify_cert_error_string(err));
1289                 return 1;
1290                 }
1291         }
1292
1293 /* self sign */
1294 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1295                                                 CONF *conf, char *section)
1296         {
1297
1298         EVP_PKEY *pktmp;
1299
1300         pktmp = X509_get_pubkey(x);
1301         EVP_PKEY_copy_parameters(pktmp,pkey);
1302         EVP_PKEY_save_parameters(pktmp,1);
1303         EVP_PKEY_free(pktmp);
1304
1305         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1306         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1307
1308         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1309         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1310         /* 28 days to be certified */
1311
1312         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1313                 goto err;
1314
1315         if (!X509_set_pubkey(x,pkey)) goto err;
1316         if (clrext)
1317                 {
1318                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1319                 }
1320         if (conf)
1321                 {
1322                 X509V3_CTX ctx;
1323                 X509_set_version(x,2); /* version 3 certificate */
1324                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1325                 X509V3_set_nconf(&ctx, conf);
1326                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
1327                 }
1328         if (!X509_sign(x,pkey,digest)) goto err;
1329         return 1;
1330 err:
1331         ERR_print_errors(bio_err);
1332         return 0;
1333         }
1334
1335 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1336 {
1337         int id, i, idret;
1338         char *pname;
1339         id = X509_PURPOSE_get_id(pt);
1340         pname = X509_PURPOSE_get0_name(pt);
1341         for (i = 0; i < 2; i++)
1342                 {
1343                 idret = X509_check_purpose(cert, id, i);
1344                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1345                 if (idret == 1) BIO_printf(bio, "Yes\n");
1346                 else if (idret == 0) BIO_printf(bio, "No\n");
1347                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1348                 }
1349         return 1;
1350 }