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 " -purpose        - print out certificate purposes\n",
 101 " -dates          - both Before and After dates\n",
 102 " -modulus        - print the RSA key modulus\n",
 103 " -fingerprint    - print the certificate fingerprint\n",
 104 " -noout          - no certificate output\n",
 105
 106 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 107 " -signkey arg    - self sign cert with arg\n",
 108 " -x509toreq      - output a certification request object\n",
 109 " -req            - input is a certificate request, sign and output.\n",
 110 " -CA arg         - set the CA certificate, must be PEM format.\n",
 111 " -CAkey arg      - set the CA key, must be PEM format\n",
 112 "                   missing, it is asssumed to be in the CA file.\n",
 113 " -CAcreateserial - create serial number file if it does not exist\n",
 114 " -CAserial       - serial file\n",
 115 " -text           - print the certificate in text form\n",
 116 " -C              - print out C code forms\n",
 117 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
 118 " -extfile        - configuration file with X509V3 extensions to add\n",
 119 " -extensions     - section from config file with X509V3 extensions to add\n",
 120 NULL
 121 };
 122
 123 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 124 static EVP_PKEY *load_key(char *file, int format);
 125 static X509 *load_cert(char *file, int format);
 126 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
 127                                                 LHASH *conf, char *section);
 128 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 129                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 130                          int create,int days, LHASH *conf, char *section);
 131 static int efunc(X509_PURPOSE *pt, void *arg);
 132 static int reqfile=0;
 133
 134 typedef struct {
 135 BIO *bio;
 136 X509 *cert;
 137 } X509_PPRINT;
 138
 139 int MAIN(int argc, char **argv)
 140         {
 141         int ret=1;
 142         X509_REQ *req=NULL;
 143         X509 *x=NULL,*xca=NULL;
 144         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 145         int i,num,badops=0;
 146         BIO *out=NULL;
 147         BIO *STDout=NULL;
 148         int informat,outformat,keyformat,CAformat,CAkeyformat;
 149         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 150         char *CAkeyfile=NULL,*CAserial=NULL;
 151         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 152         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 153         int C=0;
 154         int x509req=0,days=DEF_DAYS,modulus=0;
 155         int pprint = 0;
 156         char **pp;
 157         X509_STORE *ctx=NULL;
 158         X509_REQ *rq=NULL;
 159         int fingerprint=0;
 160         char buf[256];
 161         const EVP_MD *md_alg,*digest=EVP_md5();
 162         LHASH *extconf = NULL;
 163         char *extsect = NULL, *extfile = NULL;
 164
 165         reqfile=0;
 166
 167         apps_startup();
 168
 169         if (bio_err == NULL)
 170                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 171         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 172
 173         informat=FORMAT_PEM;
 174         outformat=FORMAT_PEM;
 175         keyformat=FORMAT_PEM;
 176         CAformat=FORMAT_PEM;
 177         CAkeyformat=FORMAT_PEM;
 178
 179         ctx=X509_STORE_new();
 180         if (ctx == NULL) goto end;
 181         X509_STORE_set_verify_cb_func(ctx,callb);
 182
 183         argc--;
 184         argv++;
 185         num=0;
 186         while (argc >= 1)
 187                 {
 188                 if      (strcmp(*argv,"-inform") == 0)
 189                         {
 190                         if (--argc < 1) goto bad;
 191                         informat=str2fmt(*(++argv));
 192                         }
 193                 else if (strcmp(*argv,"-outform") == 0)
 194                         {
 195                         if (--argc < 1) goto bad;
 196                         outformat=str2fmt(*(++argv));
 197                         }
 198                 else if (strcmp(*argv,"-keyform") == 0)
 199                         {
 200                         if (--argc < 1) goto bad;
 201                         keyformat=str2fmt(*(++argv));
 202                         }
 203                 else if (strcmp(*argv,"-req") == 0)
 204                         reqfile=1;
 205                 else if (strcmp(*argv,"-CAform") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         CAformat=str2fmt(*(++argv));
 209                         }
 210                 else if (strcmp(*argv,"-CAkeyform") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         CAformat=str2fmt(*(++argv));
 214                         }
 215                 else if (strcmp(*argv,"-days") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         days=atoi(*(++argv));
 219                         if (days == 0)
 220                                 {
 221                                 BIO_printf(STDout,"bad number of days\n");
 222                                 goto bad;
 223                                 }
 224                         }
 225                 else if (strcmp(*argv,"-extfile") == 0)
 226                         {
 227                         if (--argc < 1) goto bad;
 228                         extfile= *(++argv);
 229                         }
 230                 else if (strcmp(*argv,"-extensions") == 0)
 231                         {
 232                         if (--argc < 1) goto bad;
 233                         extsect= *(++argv);
 234                         }
 235                 else if (strcmp(*argv,"-in") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         infile= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-out") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         outfile= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-signkey") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         keyfile= *(++argv);
 249                         sign_flag= ++num;
 250                         }
 251                 else if (strcmp(*argv,"-CA") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         CAfile= *(++argv);
 255                         CA_flag= ++num;
 256                         }
 257                 else if (strcmp(*argv,"-CAkey") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         CAkeyfile= *(++argv);
 261                         }
 262                 else if (strcmp(*argv,"-CAserial") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         CAserial= *(++argv);
 266                         }
 267                 else if (strcmp(*argv,"-C") == 0)
 268                         C= ++num;
 269                 else if (strcmp(*argv,"-serial") == 0)
 270                         serial= ++num;
 271                 else if (strcmp(*argv,"-modulus") == 0)
 272                         modulus= ++num;
 273                 else if (strcmp(*argv,"-x509toreq") == 0)
 274                         x509req= ++num;
 275                 else if (strcmp(*argv,"-text") == 0)
 276                         text= ++num;
 277                 else if (strcmp(*argv,"-hash") == 0)
 278                         hash= ++num;
 279                 else if (strcmp(*argv,"-subject") == 0)
 280                         subject= ++num;
 281                 else if (strcmp(*argv,"-issuer") == 0)
 282                         issuer= ++num;
 283                 else if (strcmp(*argv,"-fingerprint") == 0)
 284                         fingerprint= ++num;
 285                 else if (strcmp(*argv,"-dates") == 0)
 286                         {
 287                         startdate= ++num;
 288                         enddate= ++num;
 289                         }
 290                 else if (strcmp(*argv,"-purpose") == 0)
 291                         pprint= ++num;
 292                 else if (strcmp(*argv,"-startdate") == 0)
 293                         startdate= ++num;
 294                 else if (strcmp(*argv,"-enddate") == 0)
 295                         enddate= ++num;
 296                 else if (strcmp(*argv,"-noout") == 0)
 297                         noout= ++num;
 298                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 299                         CA_createserial= ++num;
 300                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 301                         {
 302                         /* ok */
 303                         digest=md_alg;
 304                         }
 305                 else
 306                         {
 307                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 308                         badops=1;
 309                         break;
 310                         }
 311                 argc--;
 312                 argv++;
 313                 }
 314
 315         if (badops)
 316                 {
 317 bad:
 318                 for (pp=x509_usage; (*pp != NULL); pp++)
 319                         BIO_printf(bio_err,*pp);
 320                 goto end;
 321                 }
 322
 323         ERR_load_crypto_strings();
 324         X509V3_add_standard_extensions();
 325         X509_PURPOSE_add_standard();
 326
 327         if (!X509_STORE_set_default_paths(ctx))
 328                 {
 329                 ERR_print_errors(bio_err);
 330                 goto end;
 331                 }
 332
 333         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 334                 { CAkeyfile=CAfile; }
 335         else if ((CA_flag) && (CAkeyfile == NULL))
 336                 {
 337                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 338                 goto end;
 339                 }
 340
 341         if (extfile) {
 342                 long errorline;
 343                 X509V3_CTX ctx2;
 344                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 345                         if (errorline <= 0)
 346                                 BIO_printf(bio_err,
 347                                         "error loading the config file '%s'\n",
 348                                                                 extfile);
 349                         else
 350                                 BIO_printf(bio_err,
 351                                        "error on line %ld of config file '%s'\n"
 352                                                         ,errorline,extfile);
 353                         goto end;
 354                 }
 355                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 356                                          "extensions"))) extsect = "default";
 357                 X509V3_set_ctx_test(&ctx2);
 358                 X509V3_set_conf_lhash(&ctx2, extconf);
 359                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 360                         BIO_printf(bio_err,
 361                                 "Error Loading extension section %s\n",
 362                                                                  extsect);
 363                         ERR_print_errors(bio_err);
 364                         goto end;
 365                 }
 366         }
 367
 368
 369         if (reqfile)
 370                 {
 371                 EVP_PKEY *pkey;
 372                 X509_CINF *ci;
 373                 BIO *in;
 374
 375                 if (!sign_flag && !CA_flag)
 376                         {
 377                         BIO_printf(bio_err,"We need a private key to sign with\n");
 378                         goto end;
 379                         }
 380                 in=BIO_new(BIO_s_file());
 381                 if (in == NULL)
 382                         {
 383                         ERR_print_errors(bio_err);
 384                         goto end;
 385                         }
 386
 387                 if (infile == NULL)
 388                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 389                 else
 390                         {
 391                         if (BIO_read_filename(in,infile) <= 0)
 392                                 {
 393                                 perror(infile);
 394                                 goto end;
 395                                 }
 396                         }
 397                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 398                 BIO_free(in);
 399
 400                 if (req == NULL) { perror(infile); goto end; }
 401
 402                 if (    (req->req_info == NULL) ||
 403                         (req->req_info->pubkey == NULL) ||
 404                         (req->req_info->pubkey->public_key == NULL) ||
 405                         (req->req_info->pubkey->public_key->data == NULL))
 406                         {
 407                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 408                         BIO_printf(bio_err,"It does not contain a public key\n");
 409                         goto end;
 410                         }
 411                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 412                         {
 413                         BIO_printf(bio_err,"error unpacking public key\n");
 414                         goto end;
 415                         }
 416                 i=X509_REQ_verify(req,pkey);
 417                 EVP_PKEY_free(pkey);
 418                 if (i < 0)
 419                         {
 420                         BIO_printf(bio_err,"Signature verification error\n");
 421                         ERR_print_errors(bio_err);
 422                         goto end;
 423                         }
 424                 if (i == 0)
 425                         {
 426                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 427                         goto end;
 428                         }
 429                 else
 430                         BIO_printf(bio_err,"Signature ok\n");
 431
 432                 X509_NAME_oneline(req->req_info->subject,buf,256);
 433                 BIO_printf(bio_err,"subject=%s\n",buf);
 434
 435                 if ((x=X509_new()) == NULL) goto end;
 436                 ci=x->cert_info;
 437
 438                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 439                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 440                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 441
 442                 X509_gmtime_adj(X509_get_notBefore(x),0);
 443                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 444
 445 #if 0
 446                 X509_PUBKEY_free(ci->key);
 447                 ci->key=req->req_info->pubkey;
 448                 req->req_info->pubkey=NULL;
 449 #else
 450                 pkey = X509_REQ_get_pubkey(req);
 451                 X509_set_pubkey(x,pkey);
 452                 EVP_PKEY_free(pkey);
 453 #endif
 454                 }
 455         else
 456                 x=load_cert(infile,informat);
 457
 458         if (x == NULL) goto end;
 459         if (CA_flag)
 460                 {
 461                 xca=load_cert(CAfile,CAformat);
 462                 if (xca == NULL) goto end;
 463                 }
 464
 465         if (!noout || text)
 466                 {
 467                 OBJ_create("2.99999.3",
 468                         "SET.ex3","SET x509v3 extension 3");
 469
 470                 out=BIO_new(BIO_s_file());
 471                 if (out == NULL)
 472                         {
 473                         ERR_print_errors(bio_err);
 474                         goto end;
 475                         }
 476                 if (outfile == NULL)
 477                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 478                 else
 479                         {
 480                         if (BIO_write_filename(out,outfile) <= 0)
 481                                 {
 482                                 perror(outfile);
 483                                 goto end;
 484                                 }
 485                         }
 486                 }
 487
 488         if (num)
 489                 {
 490                 for (i=1; i<=num; i++)
 491                         {
 492                         if (issuer == i)
 493                                 {
 494                                 X509_NAME_oneline(X509_get_issuer_name(x),
 495                                         buf,256);
 496                                 BIO_printf(STDout,"issuer= %s\n",buf);
 497                                 }
 498                         else if (subject == i)
 499                                 {
 500                                 X509_NAME_oneline(X509_get_subject_name(x),
 501                                         buf,256);
 502                                 BIO_printf(STDout,"subject=%s\n",buf);
 503                                 }
 504                         else if (serial == i)
 505                                 {
 506                                 BIO_printf(STDout,"serial=");
 507                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 508                                 BIO_printf(STDout,"\n");
 509                                 }
 510                         else if (hash == i)
 511                                 {
 512                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 513                                 }
 514                         else if (pprint == i)
 515                                 {
 516                                 X509_PPRINT ptmp;
 517                                 ptmp.bio = STDout;
 518                                 ptmp.cert = x;
 519                                 BIO_printf(STDout, "Certificate purposes:\n");
 520                                 X509_PURPOSE_enum(efunc, &ptmp);
 521                                 }
 522                         else
 523                                 if (modulus == i)
 524                                 {
 525                                 EVP_PKEY *pkey;
 526
 527                                 pkey=X509_get_pubkey(x);
 528                                 if (pkey == NULL)
 529                                         {
 530                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 531                                         ERR_print_errors(bio_err);
 532                                         goto end;
 533                                         }
 534                                 BIO_printf(STDout,"Modulus=");
 535 #ifndef NO_RSA
 536                                 if (pkey->type == EVP_PKEY_RSA)
 537                                         BN_print(STDout,pkey->pkey.rsa->n);
 538                                 else
 539 #endif
 540 #ifndef NO_DSA
 541                                 if (pkey->type == EVP_PKEY_DSA)
 542                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 543                                 else
 544 #endif
 545                                         BIO_printf(STDout,"Wrong Algorithm type");
 546                                 BIO_printf(STDout,"\n");
 547                                 EVP_PKEY_free(pkey);
 548                                 }
 549                         else
 550                                 if (C == i)
 551                                 {
 552                                 unsigned char *d;
 553                                 char *m;
 554                                 int y,z;
 555
 556                                 X509_NAME_oneline(X509_get_subject_name(x),
 557                                         buf,256);
 558                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 559                                 m=X509_NAME_oneline(
 560                                         X509_get_issuer_name(x),buf,256);
 561                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 562
 563                                 z=i2d_X509(x,NULL);
 564                                 m=Malloc(z);
 565
 566                                 d=(unsigned char *)m;
 567                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 568                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 569                                 d=(unsigned char *)m;
 570                                 for (y=0; y<z; y++)
 571                                         {
 572                                         BIO_printf(STDout,"0x%02X,",d[y]);
 573                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 574                                         }
 575                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 576                                 BIO_printf(STDout,"};\n");
 577
 578                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 579                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 580                                 d=(unsigned char *)m;
 581                                 for (y=0; y<z; y++)
 582                                         {
 583                                         BIO_printf(STDout,"0x%02X,",d[y]);
 584                                         if ((y & 0x0f) == 0x0f)
 585                                                 BIO_printf(STDout,"\n");
 586                                         }
 587                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 588                                 BIO_printf(STDout,"};\n");
 589
 590                                 z=i2d_X509(x,&d);
 591                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 592                                 d=(unsigned char *)m;
 593                                 for (y=0; y<z; y++)
 594                                         {
 595                                         BIO_printf(STDout,"0x%02X,",d[y]);
 596                                         if ((y & 0x0f) == 0x0f)
 597                                                 BIO_printf(STDout,"\n");
 598                                         }
 599                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 600                                 BIO_printf(STDout,"};\n");
 601
 602                                 Free(m);
 603                                 }
 604                         else if (text == i)
 605                                 {
 606                                 X509_print(out,x);
 607                                 }
 608                         else if (startdate == i)
 609                                 {
 610                                 BIO_puts(STDout,"notBefore=");
 611                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 612                                 BIO_puts(STDout,"\n");
 613                                 }
 614                         else if (enddate == i)
 615                                 {
 616                                 BIO_puts(STDout,"notAfter=");
 617                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 618                                 BIO_puts(STDout,"\n");
 619                                 }
 620                         else if (fingerprint == i)
 621                                 {
 622                                 int j;
 623                                 unsigned int n;
 624                                 unsigned char md[EVP_MAX_MD_SIZE];
 625
 626                                 if (!X509_digest(x,EVP_md5(),md,&n))
 627                                         {
 628                                         BIO_printf(bio_err,"out of memory\n");
 629                                         goto end;
 630                                         }
 631                                 BIO_printf(STDout,"MD5 Fingerprint=");
 632                                 for (j=0; j<(int)n; j++)
 633                                         {
 634                                         BIO_printf(STDout,"%02X%c",md[j],
 635                                                 (j+1 == (int)n)
 636                                                 ?'\n':':');
 637                                         }
 638                                 }
 639
 640                         /* should be in the library */
 641                         else if ((sign_flag == i) && (x509req == 0))
 642                                 {
 643                                 BIO_printf(bio_err,"Getting Private key\n");
 644                                 if (Upkey == NULL)
 645                                         {
 646                                         Upkey=load_key(keyfile,keyformat);
 647                                         if (Upkey == NULL) goto end;
 648                                         }
 649 #ifndef NO_DSA
 650                                 if (Upkey->type == EVP_PKEY_DSA)
 651                                         digest=EVP_dss1();
 652 #endif
 653
 654                                 if (!sign(x,Upkey,days,digest,
 655                                                  extconf, extsect)) goto end;
 656                                 }
 657                         else if (CA_flag == i)
 658                                 {
 659                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 660                                 if (CAkeyfile != NULL)
 661                                         {
 662                                         CApkey=load_key(CAkeyfile,CAkeyformat);
 663                                         if (CApkey == NULL) goto end;
 664                                         }
 665 #ifndef NO_DSA
 666                                 if (CApkey->type == EVP_PKEY_DSA)
 667                                         digest=EVP_dss1();
 668 #endif
 669
 670                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 671                                         CApkey, CAserial,CA_createserial,days,
 672                                         extconf, extsect))
 673                                         goto end;
 674                                 }
 675                         else if (x509req == i)
 676                                 {
 677                                 EVP_PKEY *pk;
 678
 679                                 BIO_printf(bio_err,"Getting request Private Key\n");
 680                                 if (keyfile == NULL)
 681                                         {
 682                                         BIO_printf(bio_err,"no request key file specified\n");
 683                                         goto end;
 684                                         }
 685                                 else
 686                                         {
 687                                         pk=load_key(keyfile,FORMAT_PEM);
 688                                         if (pk == NULL) goto end;
 689                                         }
 690
 691                                 BIO_printf(bio_err,"Generating certificate request\n");
 692
 693                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
 694                                 EVP_PKEY_free(pk);
 695                                 if (rq == NULL)
 696                                         {
 697                                         ERR_print_errors(bio_err);
 698                                         goto end;
 699                                         }
 700                                 if (!noout)
 701                                         {
 702                                         X509_REQ_print(out,rq);
 703                                         PEM_write_bio_X509_REQ(out,rq);
 704                                         }
 705                                 noout=1;
 706                                 }
 707                         }
 708                 }
 709
 710         if (noout)
 711                 {
 712                 ret=0;
 713                 goto end;
 714                 }
 715
 716         if      (outformat == FORMAT_ASN1)
 717                 i=i2d_X509_bio(out,x);
 718         else if (outformat == FORMAT_PEM)
 719                 i=PEM_write_bio_X509(out,x);
 720         else if (outformat == FORMAT_NETSCAPE)
 721                 {
 722                 ASN1_HEADER ah;
 723                 ASN1_OCTET_STRING os;
 724
 725                 os.data=(unsigned char *)CERT_HDR;
 726                 os.length=strlen(CERT_HDR);
 727                 ah.header= &os;
 728                 ah.data=(char *)x;
 729                 ah.meth=X509_asn1_meth();
 730
 731                 /* no macro for this one yet */
 732                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 733                 }
 734         else    {
 735                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 736                 goto end;
 737                 }
 738         if (!i) {
 739                 BIO_printf(bio_err,"unable to write certificate\n");
 740                 ERR_print_errors(bio_err);
 741                 goto end;
 742                 }
 743         ret=0;
 744 end:
 745         OBJ_cleanup();
 746         CONF_free(extconf);
 747         BIO_free(out);
 748         BIO_free(STDout);
 749         X509_STORE_free(ctx);
 750         X509_REQ_free(req);
 751         X509_free(x);
 752         X509_free(xca);
 753         EVP_PKEY_free(Upkey);
 754         EVP_PKEY_free(CApkey);
 755         X509_REQ_free(rq);
 756         X509V3_EXT_cleanup();
 757         X509_PURPOSE_cleanup();
 758         EXIT(ret);
 759         }
 760
 761 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 762              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 763              int days, LHASH *conf, char *section)
 764         {
 765         int ret=0;
 766         BIO *io=NULL;
 767         MS_STATIC char buf2[1024];
 768         char *buf=NULL,*p;
 769         BIGNUM *serial=NULL;
 770         ASN1_INTEGER *bs=NULL,bs2;
 771         X509_STORE_CTX xsc;
 772         EVP_PKEY *upkey;
 773
 774         upkey = X509_get_pubkey(xca);
 775         EVP_PKEY_copy_parameters(upkey,pkey);
 776         EVP_PKEY_free(upkey);
 777
 778         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 779         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 780                 ((serialfile == NULL)
 781                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 782                         :(strlen(serialfile)))+1);
 783         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 784         if (serialfile == NULL)
 785                 {
 786                 strcpy(buf,CAfile);
 787                 for (p=buf; *p; p++)
 788                         if (*p == '.')
 789                                 {
 790                                 *p='\0';
 791                                 break;
 792                                 }
 793                 strcat(buf,POSTFIX);
 794                 }
 795         else
 796                 strcpy(buf,serialfile);
 797         serial=BN_new();
 798         bs=ASN1_INTEGER_new();
 799         if ((serial == NULL) || (bs == NULL))
 800                 {
 801                 ERR_print_errors(bio_err);
 802                 goto end;
 803                 }
 804
 805         io=BIO_new(BIO_s_file());
 806         if (io == NULL)
 807                 {
 808                 ERR_print_errors(bio_err);
 809                 goto end;
 810                 }
 811
 812         if (BIO_read_filename(io,buf) <= 0)
 813                 {
 814                 if (!create)
 815                         {
 816                         perror(buf);
 817                         goto end;
 818                         }
 819                 else
 820                         {
 821                         ASN1_INTEGER_set(bs,0);
 822                         BN_zero(serial);
 823                         }
 824                 }
 825         else
 826                 {
 827                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 828                         {
 829                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 830                         ERR_print_errors(bio_err);
 831                         goto end;
 832                         }
 833                 else
 834                         {
 835                         serial=BN_bin2bn(bs->data,bs->length,serial);
 836                         if (serial == NULL)
 837                                 {
 838                                 BIO_printf(bio_err,"error converting bin 2 bn");
 839                                 goto end;
 840                                 }
 841                         }
 842                 }
 843
 844         if (!BN_add_word(serial,1))
 845                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 846         bs2.data=(unsigned char *)buf2;
 847         bs2.length=BN_bn2bin(serial,bs2.data);
 848
 849         if (BIO_write_filename(io,buf) <= 0)
 850                 {
 851                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 852                 perror(buf);
 853                 goto end;
 854                 }
 855         i2a_ASN1_INTEGER(io,&bs2);
 856         BIO_puts(io,"\n");
 857         BIO_free(io);
 858         io=NULL;
 859
 860         if (!X509_STORE_add_cert(ctx,x)) goto end;
 861
 862         /* NOTE: this certificate can/should be self signed, unless it was
 863          * a certificate request in which case it is not. */
 864         X509_STORE_CTX_set_cert(&xsc,x);
 865         if (!reqfile && !X509_verify_cert(&xsc))
 866                 goto end;
 867
 868         if (!X509_check_private_key(xca,pkey))
 869                 {
 870                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 871                 goto end;
 872                 }
 873
 874         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
 875         if (!X509_set_serialNumber(x,bs)) goto end;
 876
 877         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
 878                 goto end;
 879
 880         /* hardwired expired */
 881         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
 882                 goto end;
 883
 884         if(conf) {
 885                 X509V3_CTX ctx2;
 886                 X509_set_version(x,2); /* version 3 certificate */
 887                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
 888                 X509V3_set_conf_lhash(&ctx2, conf);
 889                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
 890         }
 891
 892         if (!X509_sign(x,pkey,digest)) goto end;
 893         ret=1;
 894 end:
 895         X509_STORE_CTX_cleanup(&xsc);
 896         if (!ret)
 897                 ERR_print_errors(bio_err);
 898         if (buf != NULL) Free(buf);
 899         if (bs != NULL) ASN1_INTEGER_free(bs);
 900         if (io != NULL) BIO_free(io);
 901         if (serial != NULL) BN_free(serial);
 902         return(ret);
 903         }
 904
 905 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
 906         {
 907         char buf[256];
 908         int err;
 909         X509 *err_cert;
 910
 911         /* it is ok to use a self signed certificate
 912          * This case will catch both the initial ok == 0 and the
 913          * final ok == 1 calls to this function */
 914         err=X509_STORE_CTX_get_error(ctx);
 915         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
 916                 return(1);
 917
 918         /* BAD we should have gotten an error.  Normally if everything
 919          * worked X509_STORE_CTX_get_error(ctx) will still be set to
 920          * DEPTH_ZERO_SELF_.... */
 921         if (ok)
 922                 {
 923                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
 924                 return(0);
 925                 }
 926         else
 927                 {
 928                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
 929                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
 930                 BIO_printf(bio_err,"%s\n",buf);
 931                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
 932                         err,X509_STORE_CTX_get_error_depth(ctx),
 933                         X509_verify_cert_error_string(err));
 934                 return(1);
 935                 }
 936         }
 937
 938 static EVP_PKEY *load_key(char *file, int format)
 939         {
 940         BIO *key=NULL;
 941         EVP_PKEY *pkey=NULL;
 942
 943         if (file == NULL)
 944                 {
 945                 BIO_printf(bio_err,"no keyfile specified\n");
 946                 goto end;
 947                 }
 948         key=BIO_new(BIO_s_file());
 949         if (key == NULL)
 950                 {
 951                 ERR_print_errors(bio_err);
 952                 goto end;
 953                 }
 954         if (BIO_read_filename(key,file) <= 0)
 955                 {
 956                 perror(file);
 957                 goto end;
 958                 }
 959 #ifndef NO_RSA
 960         if      (format == FORMAT_ASN1)
 961                 {
 962                 RSA *rsa;
 963
 964                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
 965                 if (rsa != NULL)
 966                         {
 967                         if ((pkey=EVP_PKEY_new()) != NULL)
 968                                 EVP_PKEY_assign_RSA(pkey,rsa);
 969                         else
 970                                 RSA_free(rsa);
 971                         }
 972                 }
 973         else
 974 #endif
 975                 if (format == FORMAT_PEM)
 976                 {
 977                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
 978                 }
 979         else
 980                 {
 981                 BIO_printf(bio_err,"bad input format specified for key\n");
 982                 goto end;
 983                 }
 984 end:
 985         if (key != NULL) BIO_free(key);
 986         if (pkey == NULL)
 987                 BIO_printf(bio_err,"unable to load Private Key\n");
 988         return(pkey);
 989         }
 990
 991 static X509 *load_cert(char *file, int format)
 992         {
 993         ASN1_HEADER *ah=NULL;
 994         BUF_MEM *buf=NULL;
 995         X509 *x=NULL;
 996         BIO *cert;
 997
 998         if ((cert=BIO_new(BIO_s_file())) == NULL)
 999                 {
1000                 ERR_print_errors(bio_err);
1001                 goto end;
1002                 }
1003
1004         if (file == NULL)
1005                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1006         else
1007                 {
1008                 if (BIO_read_filename(cert,file) <= 0)
1009                         {
1010                         perror(file);
1011                         goto end;
1012                         }
1013                 }
1014         if      (format == FORMAT_ASN1)
1015                 x=d2i_X509_bio(cert,NULL);
1016         else if (format == FORMAT_NETSCAPE)
1017                 {
1018                 unsigned char *p,*op;
1019                 int size=0,i;
1020
1021                 /* We sort of have to do it this way because it is sort of nice
1022                  * to read the header first and check it, then
1023                  * try to read the certificate */
1024                 buf=BUF_MEM_new();
1025                 for (;;)
1026                         {
1027                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1028                                 goto end;
1029                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1030                         size+=i;
1031                         if (i == 0) break;
1032                         if (i < 0)
1033                                 {
1034                                 perror("reading certificate");
1035                                 goto end;
1036                                 }
1037                         }
1038                 p=(unsigned char *)buf->data;
1039                 op=p;
1040
1041                 /* First load the header */
1042                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1043                         goto end;
1044                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1045                         (strncmp(CERT_HDR,(char *)ah->header->data,
1046                         ah->header->length) != 0))
1047                         {
1048                         BIO_printf(bio_err,"Error reading header on certificate\n");
1049                         goto end;
1050                         }
1051                 /* header is ok, so now read the object */
1052                 p=op;
1053                 ah->meth=X509_asn1_meth();
1054                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1055                         goto end;
1056                 x=(X509 *)ah->data;
1057                 ah->data=NULL;
1058                 }
1059         else if (format == FORMAT_PEM)
1060                 x=PEM_read_bio_X509(cert,NULL,NULL,NULL);
1061         else    {
1062                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1063                 goto end;
1064                 }
1065 end:
1066         if (x == NULL)
1067                 {
1068                 BIO_printf(bio_err,"unable to load certificate\n");
1069                 ERR_print_errors(bio_err);
1070                 }
1071         if (ah != NULL) ASN1_HEADER_free(ah);
1072         if (cert != NULL) BIO_free(cert);
1073         if (buf != NULL) BUF_MEM_free(buf);
1074         return(x);
1075         }
1076
1077 /* self sign */
1078 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1079                                                 LHASH *conf, char *section)
1080         {
1081
1082         EVP_PKEY *pktmp;
1083
1084         pktmp = X509_get_pubkey(x);
1085         EVP_PKEY_copy_parameters(pktmp,pkey);
1086         EVP_PKEY_save_parameters(pktmp,1);
1087         EVP_PKEY_free(pktmp);
1088
1089         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1090         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1091
1092         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1093         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1094         /* 28 days to be certified */
1095
1096         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1097                 goto err;
1098
1099         if (!X509_set_pubkey(x,pkey)) goto err;
1100         if(conf) {
1101                 X509V3_CTX ctx;
1102                 X509_set_version(x,2); /* version 3 certificate */
1103                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1104                 X509V3_set_conf_lhash(&ctx, conf);
1105                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1106         }
1107         if (!X509_sign(x,pkey,digest)) goto err;
1108         return(1);
1109 err:
1110         ERR_print_errors(bio_err);
1111         return(0);
1112         }
1113
1114 static int efunc(X509_PURPOSE *pt, void *arg)
1115 {
1116         X509_PPRINT *ptmp;
1117         int id, i, idret;
1118         char *pname;
1119         ptmp = arg;
1120         id = X509_PURPOSE_get_id(pt);
1121         pname = X509_PURPOSE_get_name(pt);
1122         for(i = 0; i < 2; i++) {
1123                 idret = X509_check_purpose(ptmp->cert, id, i);
1124                 BIO_printf(ptmp->bio, "%s%s : ", pname, i ? " CA" : "");
1125                 if(idret == 1) BIO_printf(ptmp->bio, "Yes\n");
1126                 else if (idret == 0) BIO_printf(ptmp->bio, "No\n");
1127                 else BIO_printf(ptmp->bio, "Yes (WARNING code=%d)\n", idret);
1128         }
1129         return 1;
1130 }
1131
1132
1133