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 NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/asn1.h>
  69 #include <openssl/err.h>
  70 #include <openssl/bn.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76
  77 #undef PROG
  78 #define PROG x509_main
  79
  80 #undef POSTFIX
  81 #define POSTFIX ".srl"
  82 #define DEF_DAYS        30
  83
  84 static char *x509_usage[]={
  85 "usage: x509 args\n",
  86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  88 " -keyform arg    - private key format - default PEM\n",
  89 " -CAform arg     - CA format - default PEM\n",
  90 " -CAkeyform arg  - CA key format - default PEM\n",
  91 " -in arg         - input file - default stdin\n",
  92 " -out arg        - output file - default stdout\n",
  93 " -passin arg     - private key password source\n",
  94 " -serial         - print serial number value\n",
  95 " -hash           - print hash value\n",
  96 " -subject        - print subject DN\n",
  97 " -issuer         - print issuer DN\n",
  98 " -email          - print email address(es)\n",
  99 " -startdate      - notBefore field\n",
 100 " -enddate        - notAfter field\n",
 101 " -purpose        - print out certificate purposes\n",
 102 " -dates          - both Before and After dates\n",
 103 " -modulus        - print the RSA key modulus\n",
 104 " -pubkey         - output the public key\n",
 105 " -fingerprint    - print the certificate fingerprint\n",
 106 " -alias          - output certificate alias\n",
 107 " -noout          - no certificate output\n",
 108 " -trustout       - output a \"trusted\" certificate\n",
 109 " -clrtrust       - clear all trusted purposes\n",
 110 " -clrreject      - clear all rejected purposes\n",
 111 " -addtrust arg   - trust certificate for a given purpose\n",
 112 " -addreject arg  - reject certificate for a given purpose\n",
 113 " -setalias arg   - set certificate alias\n",
 114 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 115 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 116 "                   exit 1 if so, 0 if not\n",
 117 " -signkey arg    - self sign cert with arg\n",
 118 " -x509toreq      - output a certification request object\n",
 119 " -req            - input is a certificate request, sign and output.\n",
 120 " -CA arg         - set the CA certificate, must be PEM format.\n",
 121 " -CAkey arg      - set the CA key, must be PEM format\n",
 122 "                   missing, it is assumed to be in the CA file.\n",
 123 " -CAcreateserial - create serial number file if it does not exist\n",
 124 " -CAserial       - serial file\n",
 125 " -text           - print the certificate in text form\n",
 126 " -C              - print out C code forms\n",
 127 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 128 " -extfile        - configuration file with X509V3 extensions to add\n",
 129 " -extensions     - section from config file with X509V3 extensions to add\n",
 130 " -clrext         - delete extensions before signing and input certificate\n",
 131 " -nameopt arg    - various certificate name options\n",
 132 " -certopt arg    - various certificate text options\n",
 133 NULL
 134 };
 135
 136 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 137 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 138                                                 LHASH *conf, char *section);
 139 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 140                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 141                          int create,int days, int clrext, LHASH *conf, char *section);
 142 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 143 static int reqfile=0;
 144
 145 int MAIN(int, char **);
 146
 147 int MAIN(int argc, char **argv)
 148         {
 149         int ret=1;
 150         X509_REQ *req=NULL;
 151         X509 *x=NULL,*xca=NULL;
 152         ASN1_OBJECT *objtmp;
 153         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 154         int i,num,badops=0;
 155         BIO *out=NULL;
 156         BIO *STDout=NULL;
 157         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 158         int informat,outformat,keyformat,CAformat,CAkeyformat;
 159         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 160         char *CAkeyfile=NULL,*CAserial=NULL;
 161         char *alias=NULL;
 162         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 163         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 164         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 165         int C=0;
 166         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 167         int pprint = 0;
 168         char **pp;
 169         X509_STORE *ctx=NULL;
 170         X509_REQ *rq=NULL;
 171         int fingerprint=0;
 172         char buf[256];
 173         const EVP_MD *md_alg,*digest=EVP_md5();
 174         LHASH *extconf = NULL;
 175         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 176         int need_rand = 0;
 177         int checkend=0,checkoffset=0;
 178         unsigned long nmflag = 0, certflag = 0;
 179
 180         reqfile=0;
 181
 182         apps_startup();
 183
 184         if (bio_err == NULL)
 185                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 186         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 187 #ifdef VMS
 188         {
 189         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 190         STDout = BIO_push(tmpbio, STDout);
 191         }
 192 #endif
 193
 194         informat=FORMAT_PEM;
 195         outformat=FORMAT_PEM;
 196         keyformat=FORMAT_PEM;
 197         CAformat=FORMAT_PEM;
 198         CAkeyformat=FORMAT_PEM;
 199
 200         ctx=X509_STORE_new();
 201         if (ctx == NULL) goto end;
 202         X509_STORE_set_verify_cb_func(ctx,callb);
 203
 204         argc--;
 205         argv++;
 206         num=0;
 207         while (argc >= 1)
 208                 {
 209                 if      (strcmp(*argv,"-inform") == 0)
 210                         {
 211                         if (--argc < 1) goto bad;
 212                         informat=str2fmt(*(++argv));
 213                         }
 214                 else if (strcmp(*argv,"-outform") == 0)
 215                         {
 216                         if (--argc < 1) goto bad;
 217                         outformat=str2fmt(*(++argv));
 218                         }
 219                 else if (strcmp(*argv,"-keyform") == 0)
 220                         {
 221                         if (--argc < 1) goto bad;
 222                         keyformat=str2fmt(*(++argv));
 223                         }
 224                 else if (strcmp(*argv,"-req") == 0)
 225                         {
 226                         reqfile=1;
 227                         need_rand = 1;
 228                         }
 229                 else if (strcmp(*argv,"-CAform") == 0)
 230                         {
 231                         if (--argc < 1) goto bad;
 232                         CAformat=str2fmt(*(++argv));
 233                         }
 234                 else if (strcmp(*argv,"-CAkeyform") == 0)
 235                         {
 236                         if (--argc < 1) goto bad;
 237                         CAformat=str2fmt(*(++argv));
 238                         }
 239                 else if (strcmp(*argv,"-days") == 0)
 240                         {
 241                         if (--argc < 1) goto bad;
 242                         days=atoi(*(++argv));
 243                         if (days == 0)
 244                                 {
 245                                 BIO_printf(STDout,"bad number of days\n");
 246                                 goto bad;
 247                                 }
 248                         }
 249                 else if (strcmp(*argv,"-passin") == 0)
 250                         {
 251                         if (--argc < 1) goto bad;
 252                         passargin= *(++argv);
 253                         }
 254                 else if (strcmp(*argv,"-extfile") == 0)
 255                         {
 256                         if (--argc < 1) goto bad;
 257                         extfile= *(++argv);
 258                         }
 259                 else if (strcmp(*argv,"-extensions") == 0)
 260                         {
 261                         if (--argc < 1) goto bad;
 262                         extsect= *(++argv);
 263                         }
 264                 else if (strcmp(*argv,"-in") == 0)
 265                         {
 266                         if (--argc < 1) goto bad;
 267                         infile= *(++argv);
 268                         }
 269                 else if (strcmp(*argv,"-out") == 0)
 270                         {
 271                         if (--argc < 1) goto bad;
 272                         outfile= *(++argv);
 273                         }
 274                 else if (strcmp(*argv,"-signkey") == 0)
 275                         {
 276                         if (--argc < 1) goto bad;
 277                         keyfile= *(++argv);
 278                         sign_flag= ++num;
 279                         need_rand = 1;
 280                         }
 281                 else if (strcmp(*argv,"-CA") == 0)
 282                         {
 283                         if (--argc < 1) goto bad;
 284                         CAfile= *(++argv);
 285                         CA_flag= ++num;
 286                         need_rand = 1;
 287                         }
 288                 else if (strcmp(*argv,"-CAkey") == 0)
 289                         {
 290                         if (--argc < 1) goto bad;
 291                         CAkeyfile= *(++argv);
 292                         }
 293                 else if (strcmp(*argv,"-CAserial") == 0)
 294                         {
 295                         if (--argc < 1) goto bad;
 296                         CAserial= *(++argv);
 297                         }
 298                 else if (strcmp(*argv,"-addtrust") == 0)
 299                         {
 300                         if (--argc < 1) goto bad;
 301                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 302                                 {
 303                                 BIO_printf(bio_err,
 304                                         "Invalid trust object value %s\n", *argv);
 305                                 goto bad;
 306                                 }
 307                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 308                         sk_ASN1_OBJECT_push(trust, objtmp);
 309                         trustout = 1;
 310                         }
 311                 else if (strcmp(*argv,"-addreject") == 0)
 312                         {
 313                         if (--argc < 1) goto bad;
 314                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 315                                 {
 316                                 BIO_printf(bio_err,
 317                                         "Invalid reject object value %s\n", *argv);
 318                                 goto bad;
 319                                 }
 320                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 321                         sk_ASN1_OBJECT_push(reject, objtmp);
 322                         trustout = 1;
 323                         }
 324                 else if (strcmp(*argv,"-setalias") == 0)
 325                         {
 326                         if (--argc < 1) goto bad;
 327                         alias= *(++argv);
 328                         trustout = 1;
 329                         }
 330                 else if (strcmp(*argv,"-certopt") == 0)
 331                         {
 332                         if (--argc < 1) goto bad;
 333                         if (!set_cert_ex(&certflag, *(++argv))) goto bad;
 334                         }
 335                 else if (strcmp(*argv,"-nameopt") == 0)
 336                         {
 337                         if (--argc < 1) goto bad;
 338                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 339                         }
 340                 else if (strcmp(*argv,"-setalias") == 0)
 341                         {
 342                         if (--argc < 1) goto bad;
 343                         alias= *(++argv);
 344                         trustout = 1;
 345                         }
 346                 else if (strcmp(*argv,"-C") == 0)
 347                         C= ++num;
 348                 else if (strcmp(*argv,"-email") == 0)
 349                         email= ++num;
 350                 else if (strcmp(*argv,"-serial") == 0)
 351                         serial= ++num;
 352                 else if (strcmp(*argv,"-modulus") == 0)
 353                         modulus= ++num;
 354                 else if (strcmp(*argv,"-pubkey") == 0)
 355                         pubkey= ++num;
 356                 else if (strcmp(*argv,"-x509toreq") == 0)
 357                         x509req= ++num;
 358                 else if (strcmp(*argv,"-text") == 0)
 359                         text= ++num;
 360                 else if (strcmp(*argv,"-hash") == 0)
 361                         hash= ++num;
 362                 else if (strcmp(*argv,"-subject") == 0)
 363                         subject= ++num;
 364                 else if (strcmp(*argv,"-issuer") == 0)
 365                         issuer= ++num;
 366                 else if (strcmp(*argv,"-fingerprint") == 0)
 367                         fingerprint= ++num;
 368                 else if (strcmp(*argv,"-dates") == 0)
 369                         {
 370                         startdate= ++num;
 371                         enddate= ++num;
 372                         }
 373                 else if (strcmp(*argv,"-purpose") == 0)
 374                         pprint= ++num;
 375                 else if (strcmp(*argv,"-startdate") == 0)
 376                         startdate= ++num;
 377                 else if (strcmp(*argv,"-enddate") == 0)
 378                         enddate= ++num;
 379                 else if (strcmp(*argv,"-checkend") == 0)
 380                         {
 381                         if (--argc < 1) goto bad;
 382                         checkoffset=atoi(*(++argv));
 383                         checkend=1;
 384                         }
 385                 else if (strcmp(*argv,"-noout") == 0)
 386                         noout= ++num;
 387                 else if (strcmp(*argv,"-trustout") == 0)
 388                         trustout= 1;
 389                 else if (strcmp(*argv,"-clrtrust") == 0)
 390                         clrtrust= ++num;
 391                 else if (strcmp(*argv,"-clrreject") == 0)
 392                         clrreject= ++num;
 393                 else if (strcmp(*argv,"-alias") == 0)
 394                         aliasout= ++num;
 395                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 396                         CA_createserial= ++num;
 397                 else if (strcmp(*argv,"-clrext") == 0)
 398                         clrext = 1;
 399 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 400                 else if (strcmp(*argv,"-crlext") == 0)
 401                         {
 402                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 403                         clrext = 1;
 404                         }
 405 #endif
 406                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 407                         {
 408                         /* ok */
 409                         digest=md_alg;
 410                         }
 411                 else
 412                         {
 413                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 414                         badops=1;
 415                         break;
 416                         }
 417                 argc--;
 418                 argv++;
 419                 }
 420
 421         if (badops)
 422                 {
 423 bad:
 424                 for (pp=x509_usage; (*pp != NULL); pp++)
 425                         BIO_printf(bio_err,*pp);
 426                 goto end;
 427                 }
 428
 429         if (need_rand)
 430                 app_RAND_load_file(NULL, bio_err, 0);
 431
 432         ERR_load_crypto_strings();
 433
 434         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 435                 {
 436                 BIO_printf(bio_err, "Error getting password\n");
 437                 goto end;
 438                 }
 439
 440         if (!X509_STORE_set_default_paths(ctx))
 441                 {
 442                 ERR_print_errors(bio_err);
 443                 goto end;
 444                 }
 445
 446         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 447                 { CAkeyfile=CAfile; }
 448         else if ((CA_flag) && (CAkeyfile == NULL))
 449                 {
 450                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 451                 goto end;
 452                 }
 453
 454         if (extfile)
 455                 {
 456                 long errorline;
 457                 X509V3_CTX ctx2;
 458                 if (!(extconf=CONF_load(NULL,extfile,&errorline)))
 459                         {
 460                         if (errorline <= 0)
 461                                 BIO_printf(bio_err,
 462                                         "error loading the config file '%s'\n",
 463                                                                 extfile);
 464                         else
 465                                 BIO_printf(bio_err,
 466                                        "error on line %ld of config file '%s'\n"
 467                                                         ,errorline,extfile);
 468                         goto end;
 469                         }
 470                 if (!extsect && !(extsect = CONF_get_string(extconf, "default",
 471                                          "extensions"))) extsect = "default";
 472                 X509V3_set_ctx_test(&ctx2);
 473                 X509V3_set_conf_lhash(&ctx2, extconf);
 474                 if (!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL))
 475                         {
 476                         BIO_printf(bio_err,
 477                                 "Error Loading extension section %s\n",
 478                                                                  extsect);
 479                         ERR_print_errors(bio_err);
 480                         goto end;
 481                         }
 482                 }
 483
 484
 485         if (reqfile)
 486                 {
 487                 EVP_PKEY *pkey;
 488                 X509_CINF *ci;
 489                 BIO *in;
 490
 491                 if (!sign_flag && !CA_flag)
 492                         {
 493                         BIO_printf(bio_err,"We need a private key to sign with\n");
 494                         goto end;
 495                         }
 496                 in=BIO_new(BIO_s_file());
 497                 if (in == NULL)
 498                         {
 499                         ERR_print_errors(bio_err);
 500                         goto end;
 501                         }
 502
 503                 if (infile == NULL)
 504                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 505                 else
 506                         {
 507                         if (BIO_read_filename(in,infile) <= 0)
 508                                 {
 509                                 perror(infile);
 510                                 BIO_free(in);
 511                                 goto end;
 512                                 }
 513                         }
 514                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 515                 BIO_free(in);
 516
 517                 if (req == NULL)
 518                         {
 519                         ERR_print_errors(bio_err);
 520                         goto end;
 521                         }
 522
 523                 if (    (req->req_info == NULL) ||
 524                         (req->req_info->pubkey == NULL) ||
 525                         (req->req_info->pubkey->public_key == NULL) ||
 526                         (req->req_info->pubkey->public_key->data == NULL))
 527                         {
 528                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 529                         BIO_printf(bio_err,"It does not contain a public key\n");
 530                         goto end;
 531                         }
 532                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 533                         {
 534                         BIO_printf(bio_err,"error unpacking public key\n");
 535                         goto end;
 536                         }
 537                 i=X509_REQ_verify(req,pkey);
 538                 EVP_PKEY_free(pkey);
 539                 if (i < 0)
 540                         {
 541                         BIO_printf(bio_err,"Signature verification error\n");
 542                         ERR_print_errors(bio_err);
 543                         goto end;
 544                         }
 545                 if (i == 0)
 546                         {
 547                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 548                         goto end;
 549                         }
 550                 else
 551                         BIO_printf(bio_err,"Signature ok\n");
 552
 553                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 554
 555                 if ((x=X509_new()) == NULL) goto end;
 556                 ci=x->cert_info;
 557
 558                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 559                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 560                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 561
 562                 X509_gmtime_adj(X509_get_notBefore(x),0);
 563                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 564
 565                 pkey = X509_REQ_get_pubkey(req);
 566                 X509_set_pubkey(x,pkey);
 567                 EVP_PKEY_free(pkey);
 568                 }
 569         else
 570                 x=load_cert(bio_err,infile,informat);
 571
 572         if (x == NULL) goto end;
 573         if (CA_flag)
 574                 {
 575                 xca=load_cert(bio_err,CAfile,CAformat);
 576                 if (xca == NULL) goto end;
 577                 }
 578
 579         if (!noout || text)
 580                 {
 581                 OBJ_create("2.99999.3",
 582                         "SET.ex3","SET x509v3 extension 3");
 583
 584                 out=BIO_new(BIO_s_file());
 585                 if (out == NULL)
 586                         {
 587                         ERR_print_errors(bio_err);
 588                         goto end;
 589                         }
 590                 if (outfile == NULL)
 591                         {
 592                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 593 #ifdef VMS
 594                         {
 595                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 596                         out = BIO_push(tmpbio, out);
 597                         }
 598 #endif
 599                         }
 600                 else
 601                         {
 602                         if (BIO_write_filename(out,outfile) <= 0)
 603                                 {
 604                                 perror(outfile);
 605                                 goto end;
 606                                 }
 607                         }
 608                 }
 609
 610         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 611
 612         if (clrtrust) X509_trust_clear(x);
 613         if (clrreject) X509_reject_clear(x);
 614
 615         if (trust)
 616                 {
 617                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 618                         {
 619                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 620                         X509_add1_trust_object(x, objtmp);
 621                         }
 622                 }
 623
 624         if (reject)
 625                 {
 626                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 627                         {
 628                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 629                         X509_add1_reject_object(x, objtmp);
 630                         }
 631                 }
 632
 633         if (num)
 634                 {
 635                 for (i=1; i<=num; i++)
 636                         {
 637                         if (issuer == i)
 638                                 {
 639                                 print_name(STDout, "issuer= ",
 640                                         X509_get_issuer_name(x), nmflag);
 641                                 }
 642                         else if (subject == i)
 643                                 {
 644                                 print_name(STDout, "subject= ",
 645                                         X509_get_subject_name(x), nmflag);
 646                                 }
 647                         else if (serial == i)
 648                                 {
 649                                 BIO_printf(STDout,"serial=");
 650                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 651                                 BIO_printf(STDout,"\n");
 652                                 }
 653                         else if (email == i)
 654                                 {
 655                                 int j;
 656                                 STACK *emlst;
 657                                 emlst = X509_get1_email(x);
 658                                 for (j = 0; j < sk_num(emlst); j++)
 659                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 660                                 X509_email_free(emlst);
 661                                 }
 662                         else if (aliasout == i)
 663                                 {
 664                                 unsigned char *alstr;
 665                                 alstr = X509_alias_get0(x, NULL);
 666                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 667                                 else BIO_puts(STDout,"<No Alias>\n");
 668                                 }
 669                         else if (hash == i)
 670                                 {
 671                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 672                                 }
 673                         else if (pprint == i)
 674                                 {
 675                                 X509_PURPOSE *ptmp;
 676                                 int j;
 677                                 BIO_printf(STDout, "Certificate purposes:\n");
 678                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 679                                         {
 680                                         ptmp = X509_PURPOSE_get0(j);
 681                                         purpose_print(STDout, x, ptmp);
 682                                         }
 683                                 }
 684                         else
 685                                 if (modulus == i)
 686                                 {
 687                                 EVP_PKEY *pkey;
 688
 689                                 pkey=X509_get_pubkey(x);
 690                                 if (pkey == NULL)
 691                                         {
 692                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 693                                         ERR_print_errors(bio_err);
 694                                         goto end;
 695                                         }
 696                                 BIO_printf(STDout,"Modulus=");
 697 #ifndef NO_RSA
 698                                 if (pkey->type == EVP_PKEY_RSA)
 699                                         BN_print(STDout,pkey->pkey.rsa->n);
 700                                 else
 701 #endif
 702 #ifndef NO_DSA
 703                                 if (pkey->type == EVP_PKEY_DSA)
 704                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 705                                 else
 706 #endif
 707                                         BIO_printf(STDout,"Wrong Algorithm type");
 708                                 BIO_printf(STDout,"\n");
 709                                 EVP_PKEY_free(pkey);
 710                                 }
 711                         else
 712                                 if (pubkey == i)
 713                                 {
 714                                 EVP_PKEY *pkey;
 715
 716                                 pkey=X509_get_pubkey(x);
 717                                 if (pkey == NULL)
 718                                         {
 719                                         BIO_printf(bio_err,"Error getting public key\n");
 720                                         ERR_print_errors(bio_err);
 721                                         goto end;
 722                                         }
 723                                 PEM_write_bio_PUBKEY(STDout, pkey);
 724                                 EVP_PKEY_free(pkey);
 725                                 }
 726                         else
 727                                 if (C == i)
 728                                 {
 729                                 unsigned char *d;
 730                                 char *m;
 731                                 int y,z;
 732
 733                                 X509_NAME_oneline(X509_get_subject_name(x),
 734                                         buf,256);
 735                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 736                                 m=X509_NAME_oneline(
 737                                         X509_get_issuer_name(x),buf,256);
 738                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 739
 740                                 z=i2d_X509(x,NULL);
 741                                 m=OPENSSL_malloc(z);
 742
 743                                 d=(unsigned char *)m;
 744                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 745                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 746                                 d=(unsigned char *)m;
 747                                 for (y=0; y<z; y++)
 748                                         {
 749                                         BIO_printf(STDout,"0x%02X,",d[y]);
 750                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 751                                         }
 752                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 753                                 BIO_printf(STDout,"};\n");
 754
 755                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 756                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 757                                 d=(unsigned char *)m;
 758                                 for (y=0; y<z; y++)
 759                                         {
 760                                         BIO_printf(STDout,"0x%02X,",d[y]);
 761                                         if ((y & 0x0f) == 0x0f)
 762                                                 BIO_printf(STDout,"\n");
 763                                         }
 764                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 765                                 BIO_printf(STDout,"};\n");
 766
 767                                 z=i2d_X509(x,&d);
 768                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 769                                 d=(unsigned char *)m;
 770                                 for (y=0; y<z; y++)
 771                                         {
 772                                         BIO_printf(STDout,"0x%02X,",d[y]);
 773                                         if ((y & 0x0f) == 0x0f)
 774                                                 BIO_printf(STDout,"\n");
 775                                         }
 776                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 777                                 BIO_printf(STDout,"};\n");
 778
 779                                 OPENSSL_free(m);
 780                                 }
 781                         else if (text == i)
 782                                 {
 783                                 X509_print_ex(out,x,nmflag, certflag);
 784                                 }
 785                         else if (startdate == i)
 786                                 {
 787                                 BIO_puts(STDout,"notBefore=");
 788                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 789                                 BIO_puts(STDout,"\n");
 790                                 }
 791                         else if (enddate == i)
 792                                 {
 793                                 BIO_puts(STDout,"notAfter=");
 794                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 795                                 BIO_puts(STDout,"\n");
 796                                 }
 797                         else if (fingerprint == i)
 798                                 {
 799                                 int j;
 800                                 unsigned int n;
 801                                 unsigned char md[EVP_MAX_MD_SIZE];
 802
 803                                 if (!X509_digest(x,digest,md,&n))
 804                                         {
 805                                         BIO_printf(bio_err,"out of memory\n");
 806                                         goto end;
 807                                         }
 808                                 BIO_printf(STDout,"%s Fingerprint=",
 809                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 810                                 for (j=0; j<(int)n; j++)
 811                                         {
 812                                         BIO_printf(STDout,"%02X%c",md[j],
 813                                                 (j+1 == (int)n)
 814                                                 ?'\n':':');
 815                                         }
 816                                 }
 817
 818                         /* should be in the library */
 819                         else if ((sign_flag == i) && (x509req == 0))
 820                                 {
 821                                 BIO_printf(bio_err,"Getting Private key\n");
 822                                 if (Upkey == NULL)
 823                                         {
 824                                         Upkey=load_key(bio_err,
 825                                                 keyfile,keyformat, passin);
 826                                         if (Upkey == NULL) goto end;
 827                                         }
 828 #ifndef NO_DSA
 829                                 if (Upkey->type == EVP_PKEY_DSA)
 830                                         digest=EVP_dss1();
 831 #endif
 832
 833                                 assert(need_rand);
 834                                 if (!sign(x,Upkey,days,clrext,digest,
 835                                                  extconf, extsect)) goto end;
 836                                 }
 837                         else if (CA_flag == i)
 838                                 {
 839                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 840                                 if (CAkeyfile != NULL)
 841                                         {
 842                                         CApkey=load_key(bio_err,
 843                                                 CAkeyfile,CAkeyformat, passin);
 844                                         if (CApkey == NULL) goto end;
 845                                         }
 846 #ifndef NO_DSA
 847                                 if (CApkey->type == EVP_PKEY_DSA)
 848                                         digest=EVP_dss1();
 849 #endif
 850
 851                                 assert(need_rand);
 852                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 853                                         CApkey, CAserial,CA_createserial,days, clrext,
 854                                         extconf, extsect))
 855                                         goto end;
 856                                 }
 857                         else if (x509req == i)
 858                                 {
 859                                 EVP_PKEY *pk;
 860
 861                                 BIO_printf(bio_err,"Getting request Private Key\n");
 862                                 if (keyfile == NULL)
 863                                         {
 864                                         BIO_printf(bio_err,"no request key file specified\n");
 865                                         goto end;
 866                                         }
 867                                 else
 868                                         {
 869                                         pk=load_key(bio_err,
 870                                                 keyfile,FORMAT_PEM, passin);
 871                                         if (pk == NULL) goto end;
 872                                         }
 873
 874                                 BIO_printf(bio_err,"Generating certificate request\n");
 875
 876                                 if (pk->type == EVP_PKEY_DSA)
 877                                         digest=EVP_dss1();
 878
 879                                 rq=X509_to_X509_REQ(x,pk,digest);
 880                                 EVP_PKEY_free(pk);
 881                                 if (rq == NULL)
 882                                         {
 883                                         ERR_print_errors(bio_err);
 884                                         goto end;
 885                                         }
 886                                 if (!noout)
 887                                         {
 888                                         X509_REQ_print(out,rq);
 889                                         PEM_write_bio_X509_REQ(out,rq);
 890                                         }
 891                                 noout=1;
 892                                 }
 893                         }
 894                 }
 895
 896         if (checkend)
 897                 {
 898                 time_t tnow=time(NULL);
 899
 900                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
 901                         {
 902                         BIO_printf(out,"Certificate will expire\n");
 903                         ret=1;
 904                         }
 905                 else
 906                         {
 907                         BIO_printf(out,"Certificate will not expire\n");
 908                         ret=0;
 909                         }
 910                 goto end;
 911                 }
 912
 913         if (noout)
 914                 {
 915                 ret=0;
 916                 goto end;
 917                 }
 918
 919         if      (outformat == FORMAT_ASN1)
 920                 i=i2d_X509_bio(out,x);
 921         else if (outformat == FORMAT_PEM)
 922                 {
 923                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
 924                 else i=PEM_write_bio_X509(out,x);
 925                 }
 926         else if (outformat == FORMAT_NETSCAPE)
 927                 {
 928                 ASN1_HEADER ah;
 929                 ASN1_OCTET_STRING os;
 930
 931                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
 932                 os.length=strlen(NETSCAPE_CERT_HDR);
 933                 ah.header= &os;
 934                 ah.data=(char *)x;
 935                 ah.meth=X509_asn1_meth();
 936
 937                 /* no macro for this one yet */
 938                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 939                 }
 940         else    {
 941                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 942                 goto end;
 943                 }
 944         if (!i)
 945                 {
 946                 BIO_printf(bio_err,"unable to write certificate\n");
 947                 ERR_print_errors(bio_err);
 948                 goto end;
 949                 }
 950         ret=0;
 951 end:
 952         if (need_rand)
 953                 app_RAND_write_file(NULL, bio_err);
 954         OBJ_cleanup();
 955         CONF_free(extconf);
 956         BIO_free_all(out);
 957         BIO_free_all(STDout);
 958         X509_STORE_free(ctx);
 959         X509_REQ_free(req);
 960         X509_free(x);
 961         X509_free(xca);
 962         EVP_PKEY_free(Upkey);
 963         EVP_PKEY_free(CApkey);
 964         X509_REQ_free(rq);
 965         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 966         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 967         if (passin) OPENSSL_free(passin);
 968         EXIT(ret);
 969         }
 970
 971 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 972              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 973              int days, int clrext, LHASH *conf, char *section)
 974         {
 975         int ret=0;
 976         BIO *io=NULL;
 977         MS_STATIC char buf2[1024];
 978         char *buf=NULL,*p;
 979         BIGNUM *serial=NULL;
 980         ASN1_INTEGER *bs=NULL,bs2;
 981         X509_STORE_CTX xsc;
 982         EVP_PKEY *upkey;
 983
 984         upkey = X509_get_pubkey(xca);
 985         EVP_PKEY_copy_parameters(upkey,pkey);
 986         EVP_PKEY_free(upkey);
 987
 988         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 989         buf=OPENSSL_malloc(EVP_PKEY_size(pkey)*2+
 990                 ((serialfile == NULL)
 991                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 992                         :(strlen(serialfile)))+1);
 993         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 994         if (serialfile == NULL)
 995                 {
 996                 strcpy(buf,CAfile);
 997                 for (p=buf; *p; p++)
 998                         if (*p == '.')
 999                                 {
1000                                 *p='\0';
1001                                 break;
1002                                 }
1003                 strcat(buf,POSTFIX);
1004                 }
1005         else
1006                 strcpy(buf,serialfile);
1007         serial=BN_new();
1008         bs=ASN1_INTEGER_new();
1009         if ((serial == NULL) || (bs == NULL))
1010                 {
1011                 ERR_print_errors(bio_err);
1012                 goto end;
1013                 }
1014
1015         io=BIO_new(BIO_s_file());
1016         if (io == NULL)
1017                 {
1018                 ERR_print_errors(bio_err);
1019                 goto end;
1020                 }
1021
1022         if (BIO_read_filename(io,buf) <= 0)
1023                 {
1024                 if (!create)
1025                         {
1026                         perror(buf);
1027                         goto end;
1028                         }
1029                 else
1030                         {
1031                         ASN1_INTEGER_set(bs,1);
1032                         BN_one(serial);
1033                         }
1034                 }
1035         else
1036                 {
1037                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1038                         {
1039                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1040                         ERR_print_errors(bio_err);
1041                         goto end;
1042                         }
1043                 else
1044                         {
1045                         serial=BN_bin2bn(bs->data,bs->length,serial);
1046                         if (serial == NULL)
1047                                 {
1048                                 BIO_printf(bio_err,"error converting bin 2 bn");
1049                                 goto end;
1050                                 }
1051                         }
1052                 }
1053
1054         if (!BN_add_word(serial,1))
1055                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1056         bs2.data=(unsigned char *)buf2;
1057         bs2.length=BN_bn2bin(serial,bs2.data);
1058
1059         if (BIO_write_filename(io,buf) <= 0)
1060                 {
1061                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1062                 perror(buf);
1063                 goto end;
1064                 }
1065         i2a_ASN1_INTEGER(io,&bs2);
1066         BIO_puts(io,"\n");
1067         BIO_free(io);
1068         io=NULL;
1069
1070         if (!X509_STORE_add_cert(ctx,x)) goto end;
1071
1072         /* NOTE: this certificate can/should be self signed, unless it was
1073          * a certificate request in which case it is not. */
1074         X509_STORE_CTX_set_cert(&xsc,x);
1075         if (!reqfile && !X509_verify_cert(&xsc))
1076                 goto end;
1077
1078         if (!X509_check_private_key(xca,pkey))
1079                 {
1080                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1081                 goto end;
1082                 }
1083
1084         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1085         if (!X509_set_serialNumber(x,bs)) goto end;
1086
1087         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1088                 goto end;
1089
1090         /* hardwired expired */
1091         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1092                 goto end;
1093
1094         if (clrext)
1095                 {
1096                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1097                 }
1098
1099         if (conf)
1100                 {
1101                 X509V3_CTX ctx2;
1102                 X509_set_version(x,2); /* version 3 certificate */
1103                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1104                 X509V3_set_conf_lhash(&ctx2, conf);
1105                 if (!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1106                 }
1107
1108         if (!X509_sign(x,pkey,digest)) goto end;
1109         ret=1;
1110 end:
1111         X509_STORE_CTX_cleanup(&xsc);
1112         if (!ret)
1113                 ERR_print_errors(bio_err);
1114         if (buf != NULL) OPENSSL_free(buf);
1115         if (bs != NULL) ASN1_INTEGER_free(bs);
1116         if (io != NULL) BIO_free(io);
1117         if (serial != NULL) BN_free(serial);
1118         return ret;
1119         }
1120
1121 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1122         {
1123         int err;
1124         X509 *err_cert;
1125
1126         /* it is ok to use a self signed certificate
1127          * This case will catch both the initial ok == 0 and the
1128          * final ok == 1 calls to this function */
1129         err=X509_STORE_CTX_get_error(ctx);
1130         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1131                 return 1;
1132
1133         /* BAD we should have gotten an error.  Normally if everything
1134          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1135          * DEPTH_ZERO_SELF_.... */
1136         if (ok)
1137                 {
1138                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1139                 return 0;
1140                 }
1141         else
1142                 {
1143                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1144                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1145                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1146                         err,X509_STORE_CTX_get_error_depth(ctx),
1147                         X509_verify_cert_error_string(err));
1148                 return 1;
1149                 }
1150         }
1151
1152 /* self sign */
1153 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1154                                                 LHASH *conf, char *section)
1155         {
1156
1157         EVP_PKEY *pktmp;
1158
1159         pktmp = X509_get_pubkey(x);
1160         EVP_PKEY_copy_parameters(pktmp,pkey);
1161         EVP_PKEY_save_parameters(pktmp,1);
1162         EVP_PKEY_free(pktmp);
1163
1164         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1165         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1166
1167         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1168         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1169         /* 28 days to be certified */
1170
1171         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1172                 goto err;
1173
1174         if (!X509_set_pubkey(x,pkey)) goto err;
1175         if (clrext)
1176                 {
1177                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1178                 }
1179         if (conf)
1180                 {
1181                 X509V3_CTX ctx;
1182                 X509_set_version(x,2); /* version 3 certificate */
1183                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1184                 X509V3_set_conf_lhash(&ctx, conf);
1185                 if (!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1186                 }
1187         if (!X509_sign(x,pkey,digest)) goto err;
1188         return 1;
1189 err:
1190         ERR_print_errors(bio_err);
1191         return 0;
1192         }
1193
1194 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1195 {
1196         int id, i, idret;
1197         char *pname;
1198         id = X509_PURPOSE_get_id(pt);
1199         pname = X509_PURPOSE_get0_name(pt);
1200         for (i = 0; i < 2; i++)
1201                 {
1202                 idret = X509_check_purpose(cert, id, i);
1203                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1204                 if (idret == 1) BIO_printf(bio, "Yes\n");
1205                 else if (idret == 0) BIO_printf(bio, "No\n");
1206                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1207                 }
1208         return 1;
1209 }
1210
1211
1212