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 NULL
 133 };
 134
 135 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 136 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 137                                                 LHASH *conf, char *section);
 138 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 139                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 140                          int create,int days, int clrext, LHASH *conf, char *section);
 141 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 142 static int reqfile=0;
 143
 144 int MAIN(int, char **);
 145
 146 int MAIN(int argc, char **argv)
 147         {
 148         int ret=1;
 149         X509_REQ *req=NULL;
 150         X509 *x=NULL,*xca=NULL;
 151         ASN1_OBJECT *objtmp;
 152         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 153         int i,num,badops=0;
 154         BIO *out=NULL;
 155         BIO *STDout=NULL;
 156         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 157         int informat,outformat,keyformat,CAformat,CAkeyformat;
 158         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 159         char *CAkeyfile=NULL,*CAserial=NULL;
 160         char *alias=NULL;
 161         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 162         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 163         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 164         int C=0;
 165         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 166         int pprint = 0;
 167         char **pp;
 168         X509_STORE *ctx=NULL;
 169         X509_REQ *rq=NULL;
 170         int fingerprint=0;
 171         char buf[256];
 172         const EVP_MD *md_alg,*digest=EVP_md5();
 173         LHASH *extconf = NULL;
 174         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 175         int need_rand = 0;
 176         int checkend=0,checkoffset=0;
 177         unsigned long nmflag = 0;
 178
 179         reqfile=0;
 180
 181         apps_startup();
 182
 183         if (bio_err == NULL)
 184                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 185         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 186
 187         informat=FORMAT_PEM;
 188         outformat=FORMAT_PEM;
 189         keyformat=FORMAT_PEM;
 190         CAformat=FORMAT_PEM;
 191         CAkeyformat=FORMAT_PEM;
 192
 193         ctx=X509_STORE_new();
 194         if (ctx == NULL) goto end;
 195         X509_STORE_set_verify_cb_func(ctx,callb);
 196
 197         argc--;
 198         argv++;
 199         num=0;
 200         while (argc >= 1)
 201                 {
 202                 if      (strcmp(*argv,"-inform") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         informat=str2fmt(*(++argv));
 206                         }
 207                 else if (strcmp(*argv,"-outform") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         outformat=str2fmt(*(++argv));
 211                         }
 212                 else if (strcmp(*argv,"-keyform") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         keyformat=str2fmt(*(++argv));
 216                         }
 217                 else if (strcmp(*argv,"-req") == 0)
 218                         {
 219                         reqfile=1;
 220                         need_rand = 1;
 221                         }
 222                 else if (strcmp(*argv,"-CAform") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         CAformat=str2fmt(*(++argv));
 226                         }
 227                 else if (strcmp(*argv,"-CAkeyform") == 0)
 228                         {
 229                         if (--argc < 1) goto bad;
 230                         CAformat=str2fmt(*(++argv));
 231                         }
 232                 else if (strcmp(*argv,"-days") == 0)
 233                         {
 234                         if (--argc < 1) goto bad;
 235                         days=atoi(*(++argv));
 236                         if (days == 0)
 237                                 {
 238                                 BIO_printf(STDout,"bad number of days\n");
 239                                 goto bad;
 240                                 }
 241                         }
 242                 else if (strcmp(*argv,"-passin") == 0)
 243                         {
 244                         if (--argc < 1) goto bad;
 245                         passargin= *(++argv);
 246                         }
 247                 else if (strcmp(*argv,"-extfile") == 0)
 248                         {
 249                         if (--argc < 1) goto bad;
 250                         extfile= *(++argv);
 251                         }
 252                 else if (strcmp(*argv,"-extensions") == 0)
 253                         {
 254                         if (--argc < 1) goto bad;
 255                         extsect= *(++argv);
 256                         }
 257                 else if (strcmp(*argv,"-in") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         infile= *(++argv);
 261                         }
 262                 else if (strcmp(*argv,"-out") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         outfile= *(++argv);
 266                         }
 267                 else if (strcmp(*argv,"-signkey") == 0)
 268                         {
 269                         if (--argc < 1) goto bad;
 270                         keyfile= *(++argv);
 271                         sign_flag= ++num;
 272                         need_rand = 1;
 273                         }
 274                 else if (strcmp(*argv,"-CA") == 0)
 275                         {
 276                         if (--argc < 1) goto bad;
 277                         CAfile= *(++argv);
 278                         CA_flag= ++num;
 279                         need_rand = 1;
 280                         }
 281                 else if (strcmp(*argv,"-CAkey") == 0)
 282                         {
 283                         if (--argc < 1) goto bad;
 284                         CAkeyfile= *(++argv);
 285                         }
 286                 else if (strcmp(*argv,"-CAserial") == 0)
 287                         {
 288                         if (--argc < 1) goto bad;
 289                         CAserial= *(++argv);
 290                         }
 291                 else if (strcmp(*argv,"-addtrust") == 0)
 292                         {
 293                         if (--argc < 1) goto bad;
 294                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 295                                 BIO_printf(bio_err,
 296                                         "Invalid trust object value %s\n", *argv);
 297                                 goto bad;
 298                         }
 299                         if(!trust) trust = sk_ASN1_OBJECT_new_null();
 300                         sk_ASN1_OBJECT_push(trust, objtmp);
 301                         trustout = 1;
 302                         }
 303                 else if (strcmp(*argv,"-addreject") == 0)
 304                         {
 305                         if (--argc < 1) goto bad;
 306                         if(!(objtmp = OBJ_txt2obj(*(++argv), 0))) {
 307                                 BIO_printf(bio_err,
 308                                         "Invalid reject object value %s\n", *argv);
 309                                 goto bad;
 310                         }
 311                         if(!reject) reject = sk_ASN1_OBJECT_new_null();
 312                         sk_ASN1_OBJECT_push(reject, objtmp);
 313                         trustout = 1;
 314                         }
 315                 else if (strcmp(*argv,"-setalias") == 0)
 316                         {
 317                         if (--argc < 1) goto bad;
 318                         alias= *(++argv);
 319                         trustout = 1;
 320                         }
 321                 else if (strcmp(*argv,"-nameopt") == 0)
 322                         {
 323                         if (--argc < 1) goto bad;
 324                         if(!set_name_ex(&nmflag, *(++argv))) goto bad;
 325                         }
 326                 else if (strcmp(*argv,"-setalias") == 0)
 327                         {
 328                         if (--argc < 1) goto bad;
 329                         alias= *(++argv);
 330                         trustout = 1;
 331                         }
 332                 else if (strcmp(*argv,"-C") == 0)
 333                         C= ++num;
 334                 else if (strcmp(*argv,"-email") == 0)
 335                         email= ++num;
 336                 else if (strcmp(*argv,"-serial") == 0)
 337                         serial= ++num;
 338                 else if (strcmp(*argv,"-modulus") == 0)
 339                         modulus= ++num;
 340                 else if (strcmp(*argv,"-pubkey") == 0)
 341                         pubkey= ++num;
 342                 else if (strcmp(*argv,"-x509toreq") == 0)
 343                         x509req= ++num;
 344                 else if (strcmp(*argv,"-text") == 0)
 345                         text= ++num;
 346                 else if (strcmp(*argv,"-hash") == 0)
 347                         hash= ++num;
 348                 else if (strcmp(*argv,"-subject") == 0)
 349                         subject= ++num;
 350                 else if (strcmp(*argv,"-issuer") == 0)
 351                         issuer= ++num;
 352                 else if (strcmp(*argv,"-fingerprint") == 0)
 353                         fingerprint= ++num;
 354                 else if (strcmp(*argv,"-dates") == 0)
 355                         {
 356                         startdate= ++num;
 357                         enddate= ++num;
 358                         }
 359                 else if (strcmp(*argv,"-purpose") == 0)
 360                         pprint= ++num;
 361                 else if (strcmp(*argv,"-startdate") == 0)
 362                         startdate= ++num;
 363                 else if (strcmp(*argv,"-enddate") == 0)
 364                         enddate= ++num;
 365                 else if (strcmp(*argv,"-checkend") == 0)
 366                         {
 367                         if (--argc < 1) goto bad;
 368                         checkoffset=atoi(*(++argv));
 369                         checkend=1;
 370                         }
 371                 else if (strcmp(*argv,"-noout") == 0)
 372                         noout= ++num;
 373                 else if (strcmp(*argv,"-trustout") == 0)
 374                         trustout= 1;
 375                 else if (strcmp(*argv,"-clrtrust") == 0)
 376                         clrtrust= ++num;
 377                 else if (strcmp(*argv,"-clrreject") == 0)
 378                         clrreject= ++num;
 379                 else if (strcmp(*argv,"-alias") == 0)
 380                         aliasout= ++num;
 381                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 382                         CA_createserial= ++num;
 383                 else if (strcmp(*argv,"-clrext") == 0)
 384                         clrext = 1;
 385 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 386                 else if (strcmp(*argv,"-crlext") == 0)
 387                         {
 388                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 389                         clrext = 1;
 390                         }
 391 #endif
 392                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 393                         {
 394                         /* ok */
 395                         digest=md_alg;
 396                         }
 397                 else
 398                         {
 399                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 400                         badops=1;
 401                         break;
 402                         }
 403                 argc--;
 404                 argv++;
 405                 }
 406
 407         if (badops)
 408                 {
 409 bad:
 410                 for (pp=x509_usage; (*pp != NULL); pp++)
 411                         BIO_printf(bio_err,*pp);
 412                 goto end;
 413                 }
 414
 415         if (need_rand)
 416                 app_RAND_load_file(NULL, bio_err, 0);
 417
 418         ERR_load_crypto_strings();
 419
 420         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
 421                 BIO_printf(bio_err, "Error getting password\n");
 422                 goto end;
 423         }
 424
 425         if (!X509_STORE_set_default_paths(ctx))
 426                 {
 427                 ERR_print_errors(bio_err);
 428                 goto end;
 429                 }
 430
 431         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 432                 { CAkeyfile=CAfile; }
 433         else if ((CA_flag) && (CAkeyfile == NULL))
 434                 {
 435                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 436                 goto end;
 437                 }
 438
 439         if (extfile) {
 440                 long errorline;
 441                 X509V3_CTX ctx2;
 442                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 443                         if (errorline <= 0)
 444                                 BIO_printf(bio_err,
 445                                         "error loading the config file '%s'\n",
 446                                                                 extfile);
 447                         else
 448                                 BIO_printf(bio_err,
 449                                        "error on line %ld of config file '%s'\n"
 450                                                         ,errorline,extfile);
 451                         goto end;
 452                 }
 453                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 454                                          "extensions"))) extsect = "default";
 455                 X509V3_set_ctx_test(&ctx2);
 456                 X509V3_set_conf_lhash(&ctx2, extconf);
 457                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 458                         BIO_printf(bio_err,
 459                                 "Error Loading extension section %s\n",
 460                                                                  extsect);
 461                         ERR_print_errors(bio_err);
 462                         goto end;
 463                 }
 464         }
 465
 466
 467         if (reqfile)
 468                 {
 469                 EVP_PKEY *pkey;
 470                 X509_CINF *ci;
 471                 BIO *in;
 472
 473                 if (!sign_flag && !CA_flag)
 474                         {
 475                         BIO_printf(bio_err,"We need a private key to sign with\n");
 476                         goto end;
 477                         }
 478                 in=BIO_new(BIO_s_file());
 479                 if (in == NULL)
 480                         {
 481                         ERR_print_errors(bio_err);
 482                         goto end;
 483                         }
 484
 485                 if (infile == NULL)
 486                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 487                 else
 488                         {
 489                         if (BIO_read_filename(in,infile) <= 0)
 490                                 {
 491                                 perror(infile);
 492                                 BIO_free(in);
 493                                 goto end;
 494                                 }
 495                         }
 496                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 497                 BIO_free(in);
 498
 499                 if (req == NULL)
 500                         {
 501                         ERR_print_errors(bio_err);
 502                         goto end;
 503                         }
 504
 505                 if (    (req->req_info == NULL) ||
 506                         (req->req_info->pubkey == NULL) ||
 507                         (req->req_info->pubkey->public_key == NULL) ||
 508                         (req->req_info->pubkey->public_key->data == NULL))
 509                         {
 510                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 511                         BIO_printf(bio_err,"It does not contain a public key\n");
 512                         goto end;
 513                         }
 514                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 515                         {
 516                         BIO_printf(bio_err,"error unpacking public key\n");
 517                         goto end;
 518                         }
 519                 i=X509_REQ_verify(req,pkey);
 520                 EVP_PKEY_free(pkey);
 521                 if (i < 0)
 522                         {
 523                         BIO_printf(bio_err,"Signature verification error\n");
 524                         ERR_print_errors(bio_err);
 525                         goto end;
 526                         }
 527                 if (i == 0)
 528                         {
 529                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 530                         goto end;
 531                         }
 532                 else
 533                         BIO_printf(bio_err,"Signature ok\n");
 534
 535                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 536
 537                 if ((x=X509_new()) == NULL) goto end;
 538                 ci=x->cert_info;
 539
 540                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 541                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 542                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 543
 544                 X509_gmtime_adj(X509_get_notBefore(x),0);
 545                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 546
 547                 pkey = X509_REQ_get_pubkey(req);
 548                 X509_set_pubkey(x,pkey);
 549                 EVP_PKEY_free(pkey);
 550                 }
 551         else
 552                 x=load_cert(bio_err,infile,informat);
 553
 554         if (x == NULL) goto end;
 555         if (CA_flag)
 556                 {
 557                 xca=load_cert(bio_err,CAfile,CAformat);
 558                 if (xca == NULL) goto end;
 559                 }
 560
 561         if (!noout || text)
 562                 {
 563                 OBJ_create("2.99999.3",
 564                         "SET.ex3","SET x509v3 extension 3");
 565
 566                 out=BIO_new(BIO_s_file());
 567                 if (out == NULL)
 568                         {
 569                         ERR_print_errors(bio_err);
 570                         goto end;
 571                         }
 572                 if (outfile == NULL)
 573                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 574                 else
 575                         {
 576                         if (BIO_write_filename(out,outfile) <= 0)
 577                                 {
 578                                 perror(outfile);
 579                                 goto end;
 580                                 }
 581                         }
 582                 }
 583
 584         if(alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 585
 586         if(clrtrust) X509_trust_clear(x);
 587         if(clrreject) X509_reject_clear(x);
 588
 589         if(trust) {
 590                 for(i = 0; i < sk_ASN1_OBJECT_num(trust); i++) {
 591                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 592                         X509_add1_trust_object(x, objtmp);
 593                 }
 594         }
 595
 596         if(reject) {
 597                 for(i = 0; i < sk_ASN1_OBJECT_num(reject); i++) {
 598                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 599                         X509_add1_reject_object(x, objtmp);
 600                 }
 601         }
 602
 603         if (num)
 604                 {
 605                 for (i=1; i<=num; i++)
 606                         {
 607                         if (issuer == i)
 608                                 {
 609                                 print_name(STDout, "issuer= ",
 610                                         X509_get_issuer_name(x), nmflag);
 611                                 }
 612                         else if (subject == i)
 613                                 {
 614                                 print_name(STDout, "issuer= ",
 615                                         X509_get_subject_name(x), nmflag);
 616                                 }
 617                         else if (serial == i)
 618                                 {
 619                                 BIO_printf(STDout,"serial=");
 620                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 621                                 BIO_printf(STDout,"\n");
 622                                 }
 623                         else if (email == i)
 624                                 {
 625                                 int j;
 626                                 STACK *emlst;
 627                                 emlst = X509_get1_email(x);
 628                                 for(j = 0; j < sk_num(emlst); j++)
 629                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 630                                 X509_email_free(emlst);
 631                                 }
 632                         else if (aliasout == i)
 633                                 {
 634                                 unsigned char *alstr;
 635                                 alstr = X509_alias_get0(x, NULL);
 636                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
 637                                 else BIO_puts(STDout,"<No Alias>\n");
 638                                 }
 639                         else if (hash == i)
 640                                 {
 641                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 642                                 }
 643                         else if (pprint == i)
 644                                 {
 645                                 X509_PURPOSE *ptmp;
 646                                 int j;
 647                                 BIO_printf(STDout, "Certificate purposes:\n");
 648                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
 649                                         {
 650                                         ptmp = X509_PURPOSE_get0(j);
 651                                         purpose_print(STDout, x, ptmp);
 652                                         }
 653                                 }
 654                         else
 655                                 if (modulus == i)
 656                                 {
 657                                 EVP_PKEY *pkey;
 658
 659                                 pkey=X509_get_pubkey(x);
 660                                 if (pkey == NULL)
 661                                         {
 662                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 663                                         ERR_print_errors(bio_err);
 664                                         goto end;
 665                                         }
 666                                 BIO_printf(STDout,"Modulus=");
 667 #ifndef NO_RSA
 668                                 if (pkey->type == EVP_PKEY_RSA)
 669                                         BN_print(STDout,pkey->pkey.rsa->n);
 670                                 else
 671 #endif
 672 #ifndef NO_DSA
 673                                 if (pkey->type == EVP_PKEY_DSA)
 674                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 675                                 else
 676 #endif
 677                                         BIO_printf(STDout,"Wrong Algorithm type");
 678                                 BIO_printf(STDout,"\n");
 679                                 EVP_PKEY_free(pkey);
 680                                 }
 681                         else
 682                                 if (pubkey == i)
 683                                 {
 684                                 EVP_PKEY *pkey;
 685
 686                                 pkey=X509_get_pubkey(x);
 687                                 if (pkey == NULL)
 688                                         {
 689                                         BIO_printf(bio_err,"Error getting public key\n");
 690                                         ERR_print_errors(bio_err);
 691                                         goto end;
 692                                         }
 693                                 PEM_write_bio_PUBKEY(STDout, pkey);
 694                                 EVP_PKEY_free(pkey);
 695                                 }
 696                         else
 697                                 if (C == i)
 698                                 {
 699                                 unsigned char *d;
 700                                 char *m;
 701                                 int y,z;
 702
 703                                 X509_NAME_oneline(X509_get_subject_name(x),
 704                                         buf,256);
 705                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 706                                 m=X509_NAME_oneline(
 707                                         X509_get_issuer_name(x),buf,256);
 708                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 709
 710                                 z=i2d_X509(x,NULL);
 711                                 m=OPENSSL_malloc(z);
 712
 713                                 d=(unsigned char *)m;
 714                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 715                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 716                                 d=(unsigned char *)m;
 717                                 for (y=0; y<z; y++)
 718                                         {
 719                                         BIO_printf(STDout,"0x%02X,",d[y]);
 720                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 721                                         }
 722                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 723                                 BIO_printf(STDout,"};\n");
 724
 725                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 726                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 727                                 d=(unsigned char *)m;
 728                                 for (y=0; y<z; y++)
 729                                         {
 730                                         BIO_printf(STDout,"0x%02X,",d[y]);
 731                                         if ((y & 0x0f) == 0x0f)
 732                                                 BIO_printf(STDout,"\n");
 733                                         }
 734                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 735                                 BIO_printf(STDout,"};\n");
 736
 737                                 z=i2d_X509(x,&d);
 738                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 739                                 d=(unsigned char *)m;
 740                                 for (y=0; y<z; y++)
 741                                         {
 742                                         BIO_printf(STDout,"0x%02X,",d[y]);
 743                                         if ((y & 0x0f) == 0x0f)
 744                                                 BIO_printf(STDout,"\n");
 745                                         }
 746                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 747                                 BIO_printf(STDout,"};\n");
 748
 749                                 OPENSSL_free(m);
 750                                 }
 751                         else if (text == i)
 752                                 {
 753                                 X509_print(out,x);
 754                                 }
 755                         else if (startdate == i)
 756                                 {
 757                                 BIO_puts(STDout,"notBefore=");
 758                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 759                                 BIO_puts(STDout,"\n");
 760                                 }
 761                         else if (enddate == i)
 762                                 {
 763                                 BIO_puts(STDout,"notAfter=");
 764                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 765                                 BIO_puts(STDout,"\n");
 766                                 }
 767                         else if (fingerprint == i)
 768                                 {
 769                                 int j;
 770                                 unsigned int n;
 771                                 unsigned char md[EVP_MAX_MD_SIZE];
 772
 773                                 if (!X509_digest(x,digest,md,&n))
 774                                         {
 775                                         BIO_printf(bio_err,"out of memory\n");
 776                                         goto end;
 777                                         }
 778                                 BIO_printf(STDout,"%s Fingerprint=",
 779                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 780                                 for (j=0; j<(int)n; j++)
 781                                         {
 782                                         BIO_printf(STDout,"%02X%c",md[j],
 783                                                 (j+1 == (int)n)
 784                                                 ?'\n':':');
 785                                         }
 786                                 }
 787
 788                         /* should be in the library */
 789                         else if ((sign_flag == i) && (x509req == 0))
 790                                 {
 791                                 BIO_printf(bio_err,"Getting Private key\n");
 792                                 if (Upkey == NULL)
 793                                         {
 794                                         Upkey=load_key(bio_err,
 795                                                 keyfile,keyformat, passin);
 796                                         if (Upkey == NULL) goto end;
 797                                         }
 798 #ifndef NO_DSA
 799                                 if (Upkey->type == EVP_PKEY_DSA)
 800                                         digest=EVP_dss1();
 801 #endif
 802
 803                                 assert(need_rand);
 804                                 if (!sign(x,Upkey,days,clrext,digest,
 805                                                  extconf, extsect)) goto end;
 806                                 }
 807                         else if (CA_flag == i)
 808                                 {
 809                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 810                                 if (CAkeyfile != NULL)
 811                                         {
 812                                         CApkey=load_key(bio_err,
 813                                                 CAkeyfile,CAkeyformat, passin);
 814                                         if (CApkey == NULL) goto end;
 815                                         }
 816 #ifndef NO_DSA
 817                                 if (CApkey->type == EVP_PKEY_DSA)
 818                                         digest=EVP_dss1();
 819 #endif
 820
 821                                 assert(need_rand);
 822                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 823                                         CApkey, CAserial,CA_createserial,days, clrext,
 824                                         extconf, extsect))
 825                                         goto end;
 826                                 }
 827                         else if (x509req == i)
 828                                 {
 829                                 EVP_PKEY *pk;
 830
 831                                 BIO_printf(bio_err,"Getting request Private Key\n");
 832                                 if (keyfile == NULL)
 833                                         {
 834                                         BIO_printf(bio_err,"no request key file specified\n");
 835                                         goto end;
 836                                         }
 837                                 else
 838                                         {
 839                                         pk=load_key(bio_err,
 840                                                 keyfile,FORMAT_PEM, passin);
 841                                         if (pk == NULL) goto end;
 842                                         }
 843
 844                                 BIO_printf(bio_err,"Generating certificate request\n");
 845
 846                                 if (pk->type == EVP_PKEY_DSA)
 847                                         digest=EVP_dss1();
 848
 849                                 rq=X509_to_X509_REQ(x,pk,digest);
 850                                 EVP_PKEY_free(pk);
 851                                 if (rq == NULL)
 852                                         {
 853                                         ERR_print_errors(bio_err);
 854                                         goto end;
 855                                         }
 856                                 if (!noout)
 857                                         {
 858                                         X509_REQ_print(out,rq);
 859                                         PEM_write_bio_X509_REQ(out,rq);
 860                                         }
 861                                 noout=1;
 862                                 }
 863                         }
 864                 }
 865
 866         if(checkend)
 867                 {
 868                 time_t t=ASN1_UTCTIME_get(X509_get_notAfter(x));
 869                 time_t tnow=time(NULL);
 870
 871                 if(tnow+checkoffset > t)
 872                         {
 873                         BIO_printf(out,"Certificate will expire\n");
 874                         ret=1;
 875                         }
 876                 else
 877                         {
 878                         BIO_printf(out,"Certificate will not expire\n");
 879                         ret=0;
 880                         }
 881                 goto end;
 882                 }
 883
 884         if (noout)
 885                 {
 886                 ret=0;
 887                 goto end;
 888                 }
 889
 890         if      (outformat == FORMAT_ASN1)
 891                 i=i2d_X509_bio(out,x);
 892         else if (outformat == FORMAT_PEM) {
 893                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
 894                 else i=PEM_write_bio_X509(out,x);
 895         } else if (outformat == FORMAT_NETSCAPE)
 896                 {
 897                 ASN1_HEADER ah;
 898                 ASN1_OCTET_STRING os;
 899
 900                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
 901                 os.length=strlen(NETSCAPE_CERT_HDR);
 902                 ah.header= &os;
 903                 ah.data=(char *)x;
 904                 ah.meth=X509_asn1_meth();
 905
 906                 /* no macro for this one yet */
 907                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 908                 }
 909         else    {
 910                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 911                 goto end;
 912                 }
 913         if (!i) {
 914                 BIO_printf(bio_err,"unable to write certificate\n");
 915                 ERR_print_errors(bio_err);
 916                 goto end;
 917                 }
 918         ret=0;
 919 end:
 920         if (need_rand)
 921                 app_RAND_write_file(NULL, bio_err);
 922         OBJ_cleanup();
 923         CONF_free(extconf);
 924         BIO_free(out);
 925         BIO_free(STDout);
 926         X509_STORE_free(ctx);
 927         X509_REQ_free(req);
 928         X509_free(x);
 929         X509_free(xca);
 930         EVP_PKEY_free(Upkey);
 931         EVP_PKEY_free(CApkey);
 932         X509_REQ_free(rq);
 933         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 934         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 935         if(passin) OPENSSL_free(passin);
 936         EXIT(ret);
 937         }
 938
 939 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 940              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 941              int days, int clrext, LHASH *conf, char *section)
 942         {
 943         int ret=0;
 944         BIO *io=NULL;
 945         MS_STATIC char buf2[1024];
 946         char *buf=NULL,*p;
 947         BIGNUM *serial=NULL;
 948         ASN1_INTEGER *bs=NULL,bs2;
 949         X509_STORE_CTX xsc;
 950         EVP_PKEY *upkey;
 951
 952         upkey = X509_get_pubkey(xca);
 953         EVP_PKEY_copy_parameters(upkey,pkey);
 954         EVP_PKEY_free(upkey);
 955
 956         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 957         buf=OPENSSL_malloc(EVP_PKEY_size(pkey)*2+
 958                 ((serialfile == NULL)
 959                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 960                         :(strlen(serialfile)))+1);
 961         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 962         if (serialfile == NULL)
 963                 {
 964                 strcpy(buf,CAfile);
 965                 for (p=buf; *p; p++)
 966                         if (*p == '.')
 967                                 {
 968                                 *p='\0';
 969                                 break;
 970                                 }
 971                 strcat(buf,POSTFIX);
 972                 }
 973         else
 974                 strcpy(buf,serialfile);
 975         serial=BN_new();
 976         bs=ASN1_INTEGER_new();
 977         if ((serial == NULL) || (bs == NULL))
 978                 {
 979                 ERR_print_errors(bio_err);
 980                 goto end;
 981                 }
 982
 983         io=BIO_new(BIO_s_file());
 984         if (io == NULL)
 985                 {
 986                 ERR_print_errors(bio_err);
 987                 goto end;
 988                 }
 989
 990         if (BIO_read_filename(io,buf) <= 0)
 991                 {
 992                 if (!create)
 993                         {
 994                         perror(buf);
 995                         goto end;
 996                         }
 997                 else
 998                         {
 999                         ASN1_INTEGER_set(bs,1);
1000                         BN_one(serial);
1001                         }
1002                 }
1003         else
1004                 {
1005                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1006                         {
1007                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1008                         ERR_print_errors(bio_err);
1009                         goto end;
1010                         }
1011                 else
1012                         {
1013                         serial=BN_bin2bn(bs->data,bs->length,serial);
1014                         if (serial == NULL)
1015                                 {
1016                                 BIO_printf(bio_err,"error converting bin 2 bn");
1017                                 goto end;
1018                                 }
1019                         }
1020                 }
1021
1022         if (!BN_add_word(serial,1))
1023                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1024         bs2.data=(unsigned char *)buf2;
1025         bs2.length=BN_bn2bin(serial,bs2.data);
1026
1027         if (BIO_write_filename(io,buf) <= 0)
1028                 {
1029                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1030                 perror(buf);
1031                 goto end;
1032                 }
1033         i2a_ASN1_INTEGER(io,&bs2);
1034         BIO_puts(io,"\n");
1035         BIO_free(io);
1036         io=NULL;
1037
1038         if (!X509_STORE_add_cert(ctx,x)) goto end;
1039
1040         /* NOTE: this certificate can/should be self signed, unless it was
1041          * a certificate request in which case it is not. */
1042         X509_STORE_CTX_set_cert(&xsc,x);
1043         if (!reqfile && !X509_verify_cert(&xsc))
1044                 goto end;
1045
1046         if (!X509_check_private_key(xca,pkey))
1047                 {
1048                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1049                 goto end;
1050                 }
1051
1052         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1053         if (!X509_set_serialNumber(x,bs)) goto end;
1054
1055         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1056                 goto end;
1057
1058         /* hardwired expired */
1059         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1060                 goto end;
1061
1062         if(clrext) {
1063                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1064         }
1065
1066         if(conf) {
1067                 X509V3_CTX ctx2;
1068                 X509_set_version(x,2); /* version 3 certificate */
1069                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1070                 X509V3_set_conf_lhash(&ctx2, conf);
1071                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1072         }
1073
1074         if (!X509_sign(x,pkey,digest)) goto end;
1075         ret=1;
1076 end:
1077         X509_STORE_CTX_cleanup(&xsc);
1078         if (!ret)
1079                 ERR_print_errors(bio_err);
1080         if (buf != NULL) OPENSSL_free(buf);
1081         if (bs != NULL) ASN1_INTEGER_free(bs);
1082         if (io != NULL) BIO_free(io);
1083         if (serial != NULL) BN_free(serial);
1084         return(ret);
1085         }
1086
1087 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1088         {
1089         int err;
1090         X509 *err_cert;
1091
1092         /* it is ok to use a self signed certificate
1093          * This case will catch both the initial ok == 0 and the
1094          * final ok == 1 calls to this function */
1095         err=X509_STORE_CTX_get_error(ctx);
1096         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1097                 return(1);
1098
1099         /* BAD we should have gotten an error.  Normally if everything
1100          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1101          * DEPTH_ZERO_SELF_.... */
1102         if (ok)
1103                 {
1104                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1105                 return(0);
1106                 }
1107         else
1108                 {
1109                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1110                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1111                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1112                         err,X509_STORE_CTX_get_error_depth(ctx),
1113                         X509_verify_cert_error_string(err));
1114                 return(1);
1115                 }
1116         }
1117
1118 /* self sign */
1119 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1120                                                 LHASH *conf, char *section)
1121         {
1122
1123         EVP_PKEY *pktmp;
1124
1125         pktmp = X509_get_pubkey(x);
1126         EVP_PKEY_copy_parameters(pktmp,pkey);
1127         EVP_PKEY_save_parameters(pktmp,1);
1128         EVP_PKEY_free(pktmp);
1129
1130         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1131         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1132
1133         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1134         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1135         /* 28 days to be certified */
1136
1137         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1138                 goto err;
1139
1140         if (!X509_set_pubkey(x,pkey)) goto err;
1141         if(clrext) {
1142                 while(X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1143         }
1144         if(conf) {
1145                 X509V3_CTX ctx;
1146                 X509_set_version(x,2); /* version 3 certificate */
1147                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1148                 X509V3_set_conf_lhash(&ctx, conf);
1149                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1150         }
1151         if (!X509_sign(x,pkey,digest)) goto err;
1152         return(1);
1153 err:
1154         ERR_print_errors(bio_err);
1155         return(0);
1156         }
1157
1158 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1159 {
1160         int id, i, idret;
1161         char *pname;
1162         id = X509_PURPOSE_get_id(pt);
1163         pname = X509_PURPOSE_get0_name(pt);
1164         for(i = 0; i < 2; i++) {
1165                 idret = X509_check_purpose(cert, id, i);
1166                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1167                 if(idret == 1) BIO_printf(bio, "Yes\n");
1168                 else if (idret == 0) BIO_printf(bio, "No\n");
1169                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1170         }
1171         return 1;
1172 }
1173
1174
1175