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