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 <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #ifdef NO_STDIO
  63 #define APPS_WIN16
  64 #endif
  65 #include "apps.h"
  66 #include <openssl/bio.h>
  67 #include <openssl/asn1.h>
  68 #include <openssl/err.h>
  69 #include <openssl/bn.h>
  70 #include <openssl/evp.h>
  71 #include <openssl/x509.h>
  72 #include <openssl/x509v3.h>
  73 #include <openssl/objects.h>
  74 #include <openssl/pem.h>
  75
  76 #undef PROG
  77 #define PROG x509_main
  78
  79 #undef POSTFIX
  80 #define POSTFIX ".srl"
  81 #define DEF_DAYS        30
  82
  83 #define CERT_HDR        "certificate"
  84
  85 static char *x509_usage[]={
  86 "usage: x509 args\n",
  87 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  88 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  89 " -keyform arg    - private key format - default PEM\n",
  90 " -CAform arg     - CA format - default PEM\n",
  91 " -CAkeyform arg  - CA key format - default PEM\n",
  92 " -in arg         - input file - default stdin\n",
  93 " -out arg        - output file - default stdout\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 " -startdate      - notBefore field\n",
  99 " -enddate        - notAfter field\n",
 100 " -dates          - both Before and After dates\n",
 101 " -modulus        - print the RSA key modulus\n",
 102 " -fingerprint    - print the certificate fingerprint\n",
 103 " -noout          - no certificate output\n",
 104
 105 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 106 " -signkey arg    - self sign cert with arg\n",
 107 " -x509toreq      - output a certification request object\n",
 108 " -req            - input is a certificate request, sign and output.\n",
 109 " -CA arg         - set the CA certificate, must be PEM format.\n",
 110 " -CAkey arg      - set the CA key, must be PEM format\n",
 111 "                   missing, it is asssumed to be in the CA file.\n",
 112 " -CAcreateserial - create serial number file if it does not exist\n",
 113 " -CAserial       - serial file\n",
 114 " -text           - print the certificate in text form\n",
 115 " -C              - print out C code forms\n",
 116 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
 117 " -extfile        - configuration file with X509V3 extensions to add\n",
 118 " -extensions     - section from config file with X509V3 extensions to add\n",
 119 NULL
 120 };
 121
 122 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 123 static EVP_PKEY *load_key(char *file, int format);
 124 static X509 *load_cert(char *file, int format);
 125 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
 126                                                 LHASH *conf, char *section);
 127 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 128                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 129                          int create,int days, LHASH *conf, char *section);
 130 static int reqfile=0;
 131
 132 int MAIN(int argc, char **argv)
 133         {
 134         int ret=1;
 135         X509_REQ *req=NULL;
 136         X509 *x=NULL,*xca=NULL;
 137         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 138         int i,num,badops=0;
 139         BIO *out=NULL;
 140         BIO *STDout=NULL;
 141         int informat,outformat,keyformat,CAformat,CAkeyformat;
 142         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 143         char *CAkeyfile=NULL,*CAserial=NULL;
 144         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 145         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 146         int C=0;
 147         int x509req=0,days=DEF_DAYS,modulus=0;
 148         char **pp;
 149         X509_STORE *ctx=NULL;
 150         X509_REQ *rq=NULL;
 151         int fingerprint=0;
 152         char buf[256];
 153         const EVP_MD *md_alg,*digest=EVP_md5();
 154         LHASH *extconf = NULL;
 155         char *extsect = NULL, *extfile = NULL;
 156
 157         reqfile=0;
 158
 159         apps_startup();
 160
 161         if (bio_err == NULL)
 162                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 163         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 164
 165         informat=FORMAT_PEM;
 166         outformat=FORMAT_PEM;
 167         keyformat=FORMAT_PEM;
 168         CAformat=FORMAT_PEM;
 169         CAkeyformat=FORMAT_PEM;
 170
 171         ctx=X509_STORE_new();
 172         if (ctx == NULL) goto end;
 173         X509_STORE_set_verify_cb_func(ctx,callb);
 174
 175         argc--;
 176         argv++;
 177         num=0;
 178         while (argc >= 1)
 179                 {
 180                 if      (strcmp(*argv,"-inform") == 0)
 181                         {
 182                         if (--argc < 1) goto bad;
 183                         informat=str2fmt(*(++argv));
 184                         }
 185                 else if (strcmp(*argv,"-outform") == 0)
 186                         {
 187                         if (--argc < 1) goto bad;
 188                         outformat=str2fmt(*(++argv));
 189                         }
 190                 else if (strcmp(*argv,"-keyform") == 0)
 191                         {
 192                         if (--argc < 1) goto bad;
 193                         keyformat=str2fmt(*(++argv));
 194                         }
 195                 else if (strcmp(*argv,"-req") == 0)
 196                         reqfile=1;
 197                 else if (strcmp(*argv,"-CAform") == 0)
 198                         {
 199                         if (--argc < 1) goto bad;
 200                         CAformat=str2fmt(*(++argv));
 201                         }
 202                 else if (strcmp(*argv,"-CAkeyform") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         CAformat=str2fmt(*(++argv));
 206                         }
 207                 else if (strcmp(*argv,"-days") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         days=atoi(*(++argv));
 211                         if (days == 0)
 212                                 {
 213                                 BIO_printf(STDout,"bad number of days\n");
 214                                 goto bad;
 215                                 }
 216                         }
 217                 else if (strcmp(*argv,"-extfile") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         extfile= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-extensions") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         extsect= *(++argv);
 226                         }
 227                 else if (strcmp(*argv,"-in") == 0)
 228                         {
 229                         if (--argc < 1) goto bad;
 230                         infile= *(++argv);
 231                         }
 232                 else if (strcmp(*argv,"-out") == 0)
 233                         {
 234                         if (--argc < 1) goto bad;
 235                         outfile= *(++argv);
 236                         }
 237                 else if (strcmp(*argv,"-signkey") == 0)
 238                         {
 239                         if (--argc < 1) goto bad;
 240                         keyfile= *(++argv);
 241                         sign_flag= ++num;
 242                         }
 243                 else if (strcmp(*argv,"-CA") == 0)
 244                         {
 245                         if (--argc < 1) goto bad;
 246                         CAfile= *(++argv);
 247                         CA_flag= ++num;
 248                         }
 249                 else if (strcmp(*argv,"-CAkey") == 0)
 250                         {
 251                         if (--argc < 1) goto bad;
 252                         CAkeyfile= *(++argv);
 253                         }
 254                 else if (strcmp(*argv,"-CAserial") == 0)
 255                         {
 256                         if (--argc < 1) goto bad;
 257                         CAserial= *(++argv);
 258                         }
 259                 else if (strcmp(*argv,"-C") == 0)
 260                         C= ++num;
 261                 else if (strcmp(*argv,"-serial") == 0)
 262                         serial= ++num;
 263                 else if (strcmp(*argv,"-modulus") == 0)
 264                         modulus= ++num;
 265                 else if (strcmp(*argv,"-x509toreq") == 0)
 266                         x509req= ++num;
 267                 else if (strcmp(*argv,"-text") == 0)
 268                         text= ++num;
 269                 else if (strcmp(*argv,"-hash") == 0)
 270                         hash= ++num;
 271                 else if (strcmp(*argv,"-subject") == 0)
 272                         subject= ++num;
 273                 else if (strcmp(*argv,"-issuer") == 0)
 274                         issuer= ++num;
 275                 else if (strcmp(*argv,"-fingerprint") == 0)
 276                         fingerprint= ++num;
 277                 else if (strcmp(*argv,"-dates") == 0)
 278                         {
 279                         startdate= ++num;
 280                         enddate= ++num;
 281                         }
 282                 else if (strcmp(*argv,"-startdate") == 0)
 283                         startdate= ++num;
 284                 else if (strcmp(*argv,"-enddate") == 0)
 285                         enddate= ++num;
 286                 else if (strcmp(*argv,"-noout") == 0)
 287                         noout= ++num;
 288                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 289                         CA_createserial= ++num;
 290                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 291                         {
 292                         /* ok */
 293                         digest=md_alg;
 294                         }
 295                 else
 296                         {
 297                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 298                         badops=1;
 299                         break;
 300                         }
 301                 argc--;
 302                 argv++;
 303                 }
 304
 305         if (badops)
 306                 {
 307 bad:
 308                 for (pp=x509_usage; (*pp != NULL); pp++)
 309                         BIO_printf(bio_err,*pp);
 310                 goto end;
 311                 }
 312
 313         ERR_load_crypto_strings();
 314         X509V3_add_standard_extensions();
 315
 316         if (!X509_STORE_set_default_paths(ctx))
 317                 {
 318                 ERR_print_errors(bio_err);
 319                 goto end;
 320                 }
 321
 322         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 323                 { CAkeyfile=CAfile; }
 324         else if ((CA_flag) && (CAkeyfile == NULL))
 325                 {
 326                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 327                 goto end;
 328                 }
 329
 330         if (extfile) {
 331                 long errorline;
 332                 X509V3_CTX ctx2;
 333                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 334                         if (errorline <= 0)
 335                                 BIO_printf(bio_err,
 336                                         "error loading the config file '%s'\n",
 337                                                                 extfile);
 338                         else
 339                                 BIO_printf(bio_err,
 340                                        "error on line %ld of config file '%s'\n"
 341                                                         ,errorline,extfile);
 342                         goto end;
 343                 }
 344                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 345                                          "extensions"))) extsect = "default";
 346                 X509V3_set_ctx_test(&ctx2);
 347                 X509V3_set_conf_lhash(&ctx2, extconf);
 348                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 349                         BIO_printf(bio_err,
 350                                 "Error Loading extension section %s\n",
 351                                                                  extsect);
 352                         ERR_print_errors(bio_err);
 353                         goto end;
 354                 }
 355         }
 356
 357
 358         if (reqfile)
 359                 {
 360                 EVP_PKEY *pkey;
 361                 X509_CINF *ci;
 362                 BIO *in;
 363
 364                 if (!sign_flag && !CA_flag)
 365                         {
 366                         BIO_printf(bio_err,"We need a private key to sign with\n");
 367                         goto end;
 368                         }
 369                 in=BIO_new(BIO_s_file());
 370                 if (in == NULL)
 371                         {
 372                         ERR_print_errors(bio_err);
 373                         goto end;
 374                         }
 375
 376                 if (infile == NULL)
 377                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 378                 else
 379                         {
 380                         if (BIO_read_filename(in,infile) <= 0)
 381                                 {
 382                                 perror(infile);
 383                                 goto end;
 384                                 }
 385                         }
 386                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 387                 BIO_free(in);
 388
 389                 if (req == NULL) { perror(infile); goto end; }
 390
 391                 if (    (req->req_info == NULL) ||
 392                         (req->req_info->pubkey == NULL) ||
 393                         (req->req_info->pubkey->public_key == NULL) ||
 394                         (req->req_info->pubkey->public_key->data == NULL))
 395                         {
 396                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 397                         BIO_printf(bio_err,"It does not contain a public key\n");
 398                         goto end;
 399                         }
 400                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 401                         {
 402                         BIO_printf(bio_err,"error unpacking public key\n");
 403                         goto end;
 404                         }
 405                 i=X509_REQ_verify(req,pkey);
 406                 EVP_PKEY_free(pkey);
 407                 if (i < 0)
 408                         {
 409                         BIO_printf(bio_err,"Signature verification error\n");
 410                         ERR_print_errors(bio_err);
 411                         goto end;
 412                         }
 413                 if (i == 0)
 414                         {
 415                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 416                         goto end;
 417                         }
 418                 else
 419                         BIO_printf(bio_err,"Signature ok\n");
 420
 421                 X509_NAME_oneline(req->req_info->subject,buf,256);
 422                 BIO_printf(bio_err,"subject=%s\n",buf);
 423
 424                 if ((x=X509_new()) == NULL) goto end;
 425                 ci=x->cert_info;
 426
 427                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 428                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 429                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 430
 431                 X509_gmtime_adj(X509_get_notBefore(x),0);
 432                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 433
 434 #if 0
 435                 X509_PUBKEY_free(ci->key);
 436                 ci->key=req->req_info->pubkey;
 437                 req->req_info->pubkey=NULL;
 438 #else
 439                 pkey = X509_REQ_get_pubkey(req);
 440                 X509_set_pubkey(x,pkey);
 441                 EVP_PKEY_free(pkey);
 442 #endif
 443                 }
 444         else
 445                 x=load_cert(infile,informat);
 446
 447         if (x == NULL) goto end;
 448         if (CA_flag)
 449                 {
 450                 xca=load_cert(CAfile,CAformat);
 451                 if (xca == NULL) goto end;
 452                 }
 453
 454         if (!noout || text)
 455                 {
 456                 OBJ_create("2.99999.3",
 457                         "SET.ex3","SET x509v3 extension 3");
 458
 459                 out=BIO_new(BIO_s_file());
 460                 if (out == NULL)
 461                         {
 462                         ERR_print_errors(bio_err);
 463                         goto end;
 464                         }
 465                 if (outfile == NULL)
 466                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 467                 else
 468                         {
 469                         if (BIO_write_filename(out,outfile) <= 0)
 470                                 {
 471                                 perror(outfile);
 472                                 goto end;
 473                                 }
 474                         }
 475                 }
 476
 477         if (num)
 478                 {
 479                 for (i=1; i<=num; i++)
 480                         {
 481                         if (issuer == i)
 482                                 {
 483                                 X509_NAME_oneline(X509_get_issuer_name(x),
 484                                         buf,256);
 485                                 BIO_printf(STDout,"issuer= %s\n",buf);
 486                                 }
 487                         else if (subject == i)
 488                                 {
 489                                 X509_NAME_oneline(X509_get_subject_name(x),
 490                                         buf,256);
 491                                 BIO_printf(STDout,"subject=%s\n",buf);
 492                                 }
 493                         else if (serial == i)
 494                                 {
 495                                 BIO_printf(STDout,"serial=");
 496                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 497                                 BIO_printf(STDout,"\n");
 498                                 }
 499                         else if (hash == i)
 500                                 {
 501                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 502                                 }
 503                         else
 504                                 if (modulus == i)
 505                                 {
 506                                 EVP_PKEY *pkey;
 507
 508                                 pkey=X509_get_pubkey(x);
 509                                 if (pkey == NULL)
 510                                         {
 511                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 512                                         ERR_print_errors(bio_err);
 513                                         goto end;
 514                                         }
 515                                 BIO_printf(STDout,"Modulus=");
 516 #ifndef NO_RSA
 517                                 if (pkey->type == EVP_PKEY_RSA)
 518                                         BN_print(STDout,pkey->pkey.rsa->n);
 519                                 else
 520 #endif
 521 #ifndef NO_DSA
 522                                 if (pkey->type == EVP_PKEY_DSA)
 523                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 524                                 else
 525 #endif
 526                                         BIO_printf(STDout,"Wrong Algorithm type");
 527                                 BIO_printf(STDout,"\n");
 528                                 EVP_PKEY_free(pkey);
 529                                 }
 530                         else
 531                                 if (C == i)
 532                                 {
 533                                 unsigned char *d;
 534                                 char *m;
 535                                 int y,z;
 536
 537                                 X509_NAME_oneline(X509_get_subject_name(x),
 538                                         buf,256);
 539                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 540                                 m=X509_NAME_oneline(
 541                                         X509_get_issuer_name(x),buf,256);
 542                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 543
 544                                 z=i2d_X509(x,NULL);
 545                                 m=Malloc(z);
 546
 547                                 d=(unsigned char *)m;
 548                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 549                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 550                                 d=(unsigned char *)m;
 551                                 for (y=0; y<z; y++)
 552                                         {
 553                                         BIO_printf(STDout,"0x%02X,",d[y]);
 554                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 555                                         }
 556                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 557                                 BIO_printf(STDout,"};\n");
 558
 559                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 560                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 561                                 d=(unsigned char *)m;
 562                                 for (y=0; y<z; y++)
 563                                         {
 564                                         BIO_printf(STDout,"0x%02X,",d[y]);
 565                                         if ((y & 0x0f) == 0x0f)
 566                                                 BIO_printf(STDout,"\n");
 567                                         }
 568                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 569                                 BIO_printf(STDout,"};\n");
 570
 571                                 z=i2d_X509(x,&d);
 572                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 573                                 d=(unsigned char *)m;
 574                                 for (y=0; y<z; y++)
 575                                         {
 576                                         BIO_printf(STDout,"0x%02X,",d[y]);
 577                                         if ((y & 0x0f) == 0x0f)
 578                                                 BIO_printf(STDout,"\n");
 579                                         }
 580                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 581                                 BIO_printf(STDout,"};\n");
 582
 583                                 Free(m);
 584                                 }
 585                         else if (text == i)
 586                                 {
 587                                 X509_print(out,x);
 588                                 }
 589                         else if (startdate == i)
 590                                 {
 591                                 BIO_puts(STDout,"notBefore=");
 592                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 593                                 BIO_puts(STDout,"\n");
 594                                 }
 595                         else if (enddate == i)
 596                                 {
 597                                 BIO_puts(STDout,"notAfter=");
 598                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 599                                 BIO_puts(STDout,"\n");
 600                                 }
 601                         else if (fingerprint == i)
 602                                 {
 603                                 int j;
 604                                 unsigned int n;
 605                                 unsigned char md[EVP_MAX_MD_SIZE];
 606
 607                                 if (!X509_digest(x,EVP_md5(),md,&n))
 608                                         {
 609                                         BIO_printf(bio_err,"out of memory\n");
 610                                         goto end;
 611                                         }
 612                                 BIO_printf(STDout,"MD5 Fingerprint=");
 613                                 for (j=0; j<(int)n; j++)
 614                                         {
 615                                         BIO_printf(STDout,"%02X%c",md[j],
 616                                                 (j+1 == (int)n)
 617                                                 ?'\n':':');
 618                                         }
 619                                 }
 620
 621                         /* should be in the library */
 622                         else if ((sign_flag == i) && (x509req == 0))
 623                                 {
 624                                 BIO_printf(bio_err,"Getting Private key\n");
 625                                 if (Upkey == NULL)
 626                                         {
 627                                         Upkey=load_key(keyfile,keyformat);
 628                                         if (Upkey == NULL) goto end;
 629                                         }
 630 #ifndef NO_DSA
 631                                 if (Upkey->type == EVP_PKEY_DSA)
 632                                         digest=EVP_dss1();
 633 #endif
 634
 635                                 if (!sign(x,Upkey,days,digest,
 636                                                  extconf, extsect)) goto end;
 637                                 }
 638                         else if (CA_flag == i)
 639                                 {
 640                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 641                                 if (CAkeyfile != NULL)
 642                                         {
 643                                         CApkey=load_key(CAkeyfile,CAkeyformat);
 644                                         if (CApkey == NULL) goto end;
 645                                         }
 646 #ifndef NO_DSA
 647                                 if (CApkey->type == EVP_PKEY_DSA)
 648                                         digest=EVP_dss1();
 649 #endif
 650
 651                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 652                                         CApkey, CAserial,CA_createserial,days,
 653                                         extconf, extsect))
 654                                         goto end;
 655                                 }
 656                         else if (x509req == i)
 657                                 {
 658                                 EVP_PKEY *pk;
 659
 660                                 BIO_printf(bio_err,"Getting request Private Key\n");
 661                                 if (keyfile == NULL)
 662                                         {
 663                                         BIO_printf(bio_err,"no request key file specified\n");
 664                                         goto end;
 665                                         }
 666                                 else
 667                                         {
 668                                         pk=load_key(keyfile,FORMAT_PEM);
 669                                         if (pk == NULL) goto end;
 670                                         }
 671
 672                                 BIO_printf(bio_err,"Generating certificate request\n");
 673
 674                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
 675                                 EVP_PKEY_free(pk);
 676                                 if (rq == NULL)
 677                                         {
 678                                         ERR_print_errors(bio_err);
 679                                         goto end;
 680                                         }
 681                                 if (!noout)
 682                                         {
 683                                         X509_REQ_print(out,rq);
 684                                         PEM_write_bio_X509_REQ(out,rq);
 685                                         }
 686                                 noout=1;
 687                                 }
 688                         }
 689                 }
 690
 691         if (noout)
 692                 {
 693                 ret=0;
 694                 goto end;
 695                 }
 696
 697         if      (outformat == FORMAT_ASN1)
 698                 i=i2d_X509_bio(out,x);
 699         else if (outformat == FORMAT_PEM)
 700                 i=PEM_write_bio_X509(out,x);
 701         else if (outformat == FORMAT_NETSCAPE)
 702                 {
 703                 ASN1_HEADER ah;
 704                 ASN1_OCTET_STRING os;
 705
 706                 os.data=(unsigned char *)CERT_HDR;
 707                 os.length=strlen(CERT_HDR);
 708                 ah.header= &os;
 709                 ah.data=(char *)x;
 710                 ah.meth=X509_asn1_meth();
 711
 712                 /* no macro for this one yet */
 713                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 714                 }
 715         else    {
 716                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 717                 goto end;
 718                 }
 719         if (!i) {
 720                 BIO_printf(bio_err,"unable to write certificate\n");
 721                 ERR_print_errors(bio_err);
 722                 goto end;
 723                 }
 724         ret=0;
 725 end:
 726         OBJ_cleanup();
 727         CONF_free(extconf);
 728         BIO_free(out);
 729         BIO_free(STDout);
 730         X509_STORE_free(ctx);
 731         X509_REQ_free(req);
 732         X509_free(x);
 733         X509_free(xca);
 734         EVP_PKEY_free(Upkey);
 735         EVP_PKEY_free(CApkey);
 736         X509_REQ_free(rq);
 737         X509V3_EXT_cleanup();
 738         EXIT(ret);
 739         }
 740
 741 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 742              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 743              int days, LHASH *conf, char *section)
 744         {
 745         int ret=0;
 746         BIO *io=NULL;
 747         MS_STATIC char buf2[1024];
 748         char *buf=NULL,*p;
 749         BIGNUM *serial=NULL;
 750         ASN1_INTEGER *bs=NULL,bs2;
 751         X509_STORE_CTX xsc;
 752         EVP_PKEY *upkey;
 753
 754         upkey = X509_get_pubkey(xca);
 755         EVP_PKEY_copy_parameters(upkey,pkey);
 756         EVP_PKEY_free(upkey);
 757
 758         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 759         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 760                 ((serialfile == NULL)
 761                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 762                         :(strlen(serialfile)))+1);
 763         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 764         if (serialfile == NULL)
 765                 {
 766                 strcpy(buf,CAfile);
 767                 for (p=buf; *p; p++)
 768                         if (*p == '.')
 769                                 {
 770                                 *p='\0';
 771                                 break;
 772                                 }
 773                 strcat(buf,POSTFIX);
 774                 }
 775         else
 776                 strcpy(buf,serialfile);
 777         serial=BN_new();
 778         bs=ASN1_INTEGER_new();
 779         if ((serial == NULL) || (bs == NULL))
 780                 {
 781                 ERR_print_errors(bio_err);
 782                 goto end;
 783                 }
 784
 785         io=BIO_new(BIO_s_file());
 786         if (io == NULL)
 787                 {
 788                 ERR_print_errors(bio_err);
 789                 goto end;
 790                 }
 791
 792         if (BIO_read_filename(io,buf) <= 0)
 793                 {
 794                 if (!create)
 795                         {
 796                         perror(buf);
 797                         goto end;
 798                         }
 799                 else
 800                         {
 801                         ASN1_INTEGER_set(bs,0);
 802                         BN_zero(serial);
 803                         }
 804                 }
 805         else
 806                 {
 807                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 808                         {
 809                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 810                         ERR_print_errors(bio_err);
 811                         goto end;
 812                         }
 813                 else
 814                         {
 815                         serial=BN_bin2bn(bs->data,bs->length,serial);
 816                         if (serial == NULL)
 817                                 {
 818                                 BIO_printf(bio_err,"error converting bin 2 bn");
 819                                 goto end;
 820                                 }
 821                         }
 822                 }
 823
 824         if (!BN_add_word(serial,1))
 825                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 826         bs2.data=(unsigned char *)buf2;
 827         bs2.length=BN_bn2bin(serial,bs2.data);
 828
 829         if (BIO_write_filename(io,buf) <= 0)
 830                 {
 831                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 832                 perror(buf);
 833                 goto end;
 834                 }
 835         i2a_ASN1_INTEGER(io,&bs2);
 836         BIO_puts(io,"\n");
 837         BIO_free(io);
 838         io=NULL;
 839
 840         if (!X509_STORE_add_cert(ctx,x)) goto end;
 841
 842         /* NOTE: this certificate can/should be self signed, unless it was
 843          * a certificate request in which case it is not. */
 844         X509_STORE_CTX_set_cert(&xsc,x);
 845         if (!reqfile && !X509_verify_cert(&xsc))
 846                 goto end;
 847
 848         if (!X509_check_private_key(xca,pkey))
 849                 {
 850                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 851                 goto end;
 852                 }
 853
 854         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
 855         if (!X509_set_serialNumber(x,bs)) goto end;
 856
 857         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
 858                 goto end;
 859
 860         /* hardwired expired */
 861         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
 862                 goto end;
 863
 864         if(conf) {
 865                 X509V3_CTX ctx2;
 866                 X509_set_version(x,2); /* version 3 certificate */
 867                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
 868                 X509V3_set_conf_lhash(&ctx2, conf);
 869                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
 870         }
 871
 872         if (!X509_sign(x,pkey,digest)) goto end;
 873         ret=1;
 874 end:
 875         X509_STORE_CTX_cleanup(&xsc);
 876         if (!ret)
 877                 ERR_print_errors(bio_err);
 878         if (buf != NULL) Free(buf);
 879         if (bs != NULL) ASN1_INTEGER_free(bs);
 880         if (io != NULL) BIO_free(io);
 881         if (serial != NULL) BN_free(serial);
 882         return(ret);
 883         }
 884
 885 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
 886         {
 887         char buf[256];
 888         int err;
 889         X509 *err_cert;
 890
 891         /* it is ok to use a self signed certificate
 892          * This case will catch both the initial ok == 0 and the
 893          * final ok == 1 calls to this function */
 894         err=X509_STORE_CTX_get_error(ctx);
 895         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
 896                 return(1);
 897
 898         /* BAD we should have gotten an error.  Normally if everything
 899          * worked X509_STORE_CTX_get_error(ctx) will still be set to
 900          * DEPTH_ZERO_SELF_.... */
 901         if (ok)
 902                 {
 903                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
 904                 return(0);
 905                 }
 906         else
 907                 {
 908                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
 909                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
 910                 BIO_printf(bio_err,"%s\n",buf);
 911                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
 912                         err,X509_STORE_CTX_get_error_depth(ctx),
 913                         X509_verify_cert_error_string(err));
 914                 return(1);
 915                 }
 916         }
 917
 918 static EVP_PKEY *load_key(char *file, int format)
 919         {
 920         BIO *key=NULL;
 921         EVP_PKEY *pkey=NULL;
 922
 923         if (file == NULL)
 924                 {
 925                 BIO_printf(bio_err,"no keyfile specified\n");
 926                 goto end;
 927                 }
 928         key=BIO_new(BIO_s_file());
 929         if (key == NULL)
 930                 {
 931                 ERR_print_errors(bio_err);
 932                 goto end;
 933                 }
 934         if (BIO_read_filename(key,file) <= 0)
 935                 {
 936                 perror(file);
 937                 goto end;
 938                 }
 939 #ifndef NO_RSA
 940         if      (format == FORMAT_ASN1)
 941                 {
 942                 RSA *rsa;
 943
 944                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
 945                 if (rsa != NULL)
 946                         {
 947                         if ((pkey=EVP_PKEY_new()) != NULL)
 948                                 EVP_PKEY_assign_RSA(pkey,rsa);
 949                         else
 950                                 RSA_free(rsa);
 951                         }
 952                 }
 953         else
 954 #endif
 955                 if (format == FORMAT_PEM)
 956                 {
 957                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
 958                 }
 959         else
 960                 {
 961                 BIO_printf(bio_err,"bad input format specified for key\n");
 962                 goto end;
 963                 }
 964 end:
 965         if (key != NULL) BIO_free(key);
 966         if (pkey == NULL)
 967                 BIO_printf(bio_err,"unable to load Private Key\n");
 968         return(pkey);
 969         }
 970
 971 static X509 *load_cert(char *file, int format)
 972         {
 973         ASN1_HEADER *ah=NULL;
 974         BUF_MEM *buf=NULL;
 975         X509 *x=NULL;
 976         BIO *cert;
 977
 978         if ((cert=BIO_new(BIO_s_file())) == NULL)
 979                 {
 980                 ERR_print_errors(bio_err);
 981                 goto end;
 982                 }
 983
 984         if (file == NULL)
 985                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 986         else
 987                 {
 988                 if (BIO_read_filename(cert,file) <= 0)
 989                         {
 990                         perror(file);
 991                         goto end;
 992                         }
 993                 }
 994         if      (format == FORMAT_ASN1)
 995                 x=d2i_X509_bio(cert,NULL);
 996         else if (format == FORMAT_NETSCAPE)
 997                 {
 998                 unsigned char *p,*op;
 999                 int size=0,i;
1000
1001                 /* We sort of have to do it this way because it is sort of nice
1002                  * to read the header first and check it, then
1003                  * try to read the certificate */
1004                 buf=BUF_MEM_new();
1005                 for (;;)
1006                         {
1007                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1008                                 goto end;
1009                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1010                         size+=i;
1011                         if (i == 0) break;
1012                         if (i < 0)
1013                                 {
1014                                 perror("reading certificate");
1015                                 goto end;
1016                                 }
1017                         }
1018                 p=(unsigned char *)buf->data;
1019                 op=p;
1020
1021                 /* First load the header */
1022                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1023                         goto end;
1024                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1025                         (strncmp(CERT_HDR,(char *)ah->header->data,
1026                         ah->header->length) != 0))
1027                         {
1028                         BIO_printf(bio_err,"Error reading header on certificate\n");
1029                         goto end;
1030                         }
1031                 /* header is ok, so now read the object */
1032                 p=op;
1033                 ah->meth=X509_asn1_meth();
1034                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1035                         goto end;
1036                 x=(X509 *)ah->data;
1037                 ah->data=NULL;
1038                 }
1039         else if (format == FORMAT_PEM)
1040                 x=PEM_read_bio_X509(cert,NULL,NULL,NULL);
1041         else    {
1042                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1043                 goto end;
1044                 }
1045 end:
1046         if (x == NULL)
1047                 {
1048                 BIO_printf(bio_err,"unable to load certificate\n");
1049                 ERR_print_errors(bio_err);
1050                 }
1051         if (ah != NULL) ASN1_HEADER_free(ah);
1052         if (cert != NULL) BIO_free(cert);
1053         if (buf != NULL) BUF_MEM_free(buf);
1054         return(x);
1055         }
1056
1057 /* self sign */
1058 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1059                                                 LHASH *conf, char *section)
1060         {
1061
1062         EVP_PKEY *pktmp;
1063
1064         pktmp = X509_get_pubkey(x);
1065         EVP_PKEY_copy_parameters(pktmp,pkey);
1066         EVP_PKEY_save_parameters(pktmp,1);
1067         EVP_PKEY_free(pktmp);
1068
1069         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1070         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1071
1072         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1073         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1074         /* 28 days to be certified */
1075
1076         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1077                 goto err;
1078
1079         if (!X509_set_pubkey(x,pkey)) goto err;
1080         if(conf) {
1081                 X509V3_CTX ctx;
1082                 X509_set_version(x,2); /* version 3 certificate */
1083                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1084                 X509V3_set_conf_lhash(&ctx, conf);
1085                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1086         }
1087         if (!X509_sign(x,pkey,digest)) goto err;
1088         return(1);
1089 err:
1090         ERR_print_errors(bio_err);
1091         return(0);
1092         }