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