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 "objects.h"
  73 #include "pem.h"
  74
  75 #undef PROG
  76 #define PROG x509_main
  77
  78 #undef POSTFIX
  79 #define POSTFIX ".srl"
  80 #define DEF_DAYS        30
  81
  82 #define FORMAT_UNDEF    0
  83 #define FORMAT_ASN1     1
  84 #define FORMAT_TEXT     2
  85 #define FORMAT_PEM      3
  86
  87 #define CERT_HDR        "certificate"
  88
  89 static char *x509_usage[]={
  90 "usage: x509 args\n",
  91 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  92 " -outform arg    - output format - default PEM (one of DER, NET or PEM\n",
  93 " -keyform arg    - private key format - default PEM\n",
  94 " -CAform arg     - CA format - default PEM\n",
  95 " -CAkeyform arg  - CA key format - default PEM\n",
  96 " -in arg         - input file - default stdin\n",
  97 " -out arg        - output file - default stdout\n",
  98 " -serial         - print serial number value\n",
  99 " -hash           - print hash value\n",
 100 " -subject        - print subject DN\n",
 101 " -issuer         - print issuer DN\n",
 102 " -startdate      - notBefore field\n",
 103 " -enddate        - notAfter field\n",
 104 " -dates          - both Before and After dates\n",
 105 " -modulus        - print the RSA key modulus\n",
 106 " -fingerprint    - print the certificate fingerprint\n",
 107 " -noout          - no certificate output\n",
 108
 109 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 110 " -signkey arg    - self sign cert with arg\n",
 111 " -x509toreq      - output a certification request object\n",
 112 " -req            - input is a certificate request, sign and output.\n",
 113 " -CA arg         - set the CA certificate, must be PEM format.\n",
 114 " -CAkey arg      - set the CA key, must be PEM format\n",
 115 "                   missing, it is asssumed to be in the CA file.\n",
 116 " -CAcreateserial - create serial number file if it does not exist\n",
 117 " -CAserial       - serial file\n",
 118 " -text           - print the certitificate in text form\n",
 119 " -C              - print out C code forms\n",
 120 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
 121 NULL
 122 };
 123
 124 #ifndef NOPROTO
 125 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 126 static EVP_PKEY *load_key(char *file, int format);
 127 static X509 *load_cert(char *file, int format);
 128 static int sign (X509 *x, EVP_PKEY *pkey,int days,EVP_MD *digest);
 129 static int x509_certify (X509_STORE *ctx,char *CAfile, EVP_MD *digest,X509 *x,
 130         X509 *xca, EVP_PKEY *pkey,char *serial, int create, int days);
 131 #else
 132 static int MS_CALLBACK callb();
 133 static EVP_PKEY *load_key();
 134 static X509 *load_cert();
 135 static int sign ();
 136 static int x509_certify ();
 137 #endif
 138
 139 static int reqfile=0;
 140
 141 int MAIN(argc, argv)
 142 int argc;
 143 char **argv;
 144         {
 145         int ret=1;
 146         X509_REQ *req=NULL;
 147         X509 *x=NULL,*xca=NULL;
 148         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 149         int i,num,badops=0;
 150         BIO *out=NULL;
 151         BIO *STDout=NULL;
 152         int informat,outformat,keyformat,CAformat,CAkeyformat;
 153         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 154         char *CAkeyfile=NULL,*CAserial=NULL;
 155         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 156         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 157         int C=0;
 158         int x509req=0,days=DEF_DAYS,modulus=0;
 159         char **pp;
 160         X509_STORE *ctx=NULL;
 161         X509_REQ *rq=NULL;
 162         int fingerprint=0;
 163         char buf[256];
 164         EVP_MD *md_alg,*digest=EVP_md5();
 165
 166         reqfile=0;
 167
 168         apps_startup();
 169
 170         if (bio_err == NULL)
 171                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 172         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 173
 174         informat=FORMAT_PEM;
 175         outformat=FORMAT_PEM;
 176         keyformat=FORMAT_PEM;
 177         CAformat=FORMAT_PEM;
 178         CAkeyformat=FORMAT_PEM;
 179
 180         ctx=X509_STORE_new();
 181         if (ctx == NULL) goto end;
 182         X509_STORE_set_verify_cb_func(ctx,callb);
 183
 184         argc--;
 185         argv++;
 186         num=0;
 187         while (argc >= 1)
 188                 {
 189                 if      (strcmp(*argv,"-inform") == 0)
 190                         {
 191                         if (--argc < 1) goto bad;
 192                         informat=str2fmt(*(++argv));
 193                         }
 194                 else if (strcmp(*argv,"-outform") == 0)
 195                         {
 196                         if (--argc < 1) goto bad;
 197                         outformat=str2fmt(*(++argv));
 198                         }
 199                 else if (strcmp(*argv,"-keyform") == 0)
 200                         {
 201                         if (--argc < 1) goto bad;
 202                         keyformat=str2fmt(*(++argv));
 203                         }
 204                 else if (strcmp(*argv,"-req") == 0)
 205                         reqfile=1;
 206                 else if (strcmp(*argv,"-CAform") == 0)
 207                         {
 208                         if (--argc < 1) goto bad;
 209                         CAformat=str2fmt(*(++argv));
 210                         }
 211                 else if (strcmp(*argv,"-CAkeyform") == 0)
 212                         {
 213                         if (--argc < 1) goto bad;
 214                         CAformat=str2fmt(*(++argv));
 215                         }
 216                 else if (strcmp(*argv,"-days") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         days=atoi(*(++argv));
 220                         if (days == 0)
 221                                 {
 222                                 BIO_printf(bio_err,"bad number of days\n");
 223                                 goto bad;
 224                                 }
 225                         }
 226                 else if (strcmp(*argv,"-in") == 0)
 227                         {
 228                         if (--argc < 1) goto bad;
 229                         infile= *(++argv);
 230                         }
 231                 else if (strcmp(*argv,"-out") == 0)
 232                         {
 233                         if (--argc < 1) goto bad;
 234                         outfile= *(++argv);
 235                         }
 236                 else if (strcmp(*argv,"-signkey") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                         keyfile= *(++argv);
 240                         sign_flag= ++num;
 241                         }
 242                 else if (strcmp(*argv,"-CA") == 0)
 243                         {
 244                         if (--argc < 1) goto bad;
 245                         CAfile= *(++argv);
 246                         CA_flag= ++num;
 247                         }
 248                 else if (strcmp(*argv,"-CAkey") == 0)
 249                         {
 250                         if (--argc < 1) goto bad;
 251                         CAkeyfile= *(++argv);
 252                         }
 253                 else if (strcmp(*argv,"-CAserial") == 0)
 254                         {
 255                         if (--argc < 1) goto bad;
 256                         CAserial= *(++argv);
 257                         }
 258                 else if (strcmp(*argv,"-C") == 0)
 259                         C= ++num;
 260                 else if (strcmp(*argv,"-serial") == 0)
 261                         serial= ++num;
 262                 else if (strcmp(*argv,"-modulus") == 0)
 263                         modulus= ++num;
 264                 else if (strcmp(*argv,"-x509toreq") == 0)
 265                         x509req= ++num;
 266                 else if (strcmp(*argv,"-text") == 0)
 267                         text= ++num;
 268                 else if (strcmp(*argv,"-hash") == 0)
 269                         hash= ++num;
 270                 else if (strcmp(*argv,"-subject") == 0)
 271                         subject= ++num;
 272                 else if (strcmp(*argv,"-issuer") == 0)
 273                         issuer= ++num;
 274                 else if (strcmp(*argv,"-fingerprint") == 0)
 275                         fingerprint= ++num;
 276                 else if (strcmp(*argv,"-dates") == 0)
 277                         {
 278                         startdate= ++num;
 279                         enddate= ++num;
 280                         }
 281                 else if (strcmp(*argv,"-startdate") == 0)
 282                         startdate= ++num;
 283                 else if (strcmp(*argv,"-enddate") == 0)
 284                         enddate= ++num;
 285                 else if (strcmp(*argv,"-noout") == 0)
 286                         noout= ++num;
 287                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 288                         CA_createserial= ++num;
 289                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 290                         {
 291                         /* ok */
 292                         digest=md_alg;
 293                         }
 294                 else
 295                         {
 296                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 297                         badops=1;
 298                         break;
 299                         }
 300                 argc--;
 301                 argv++;
 302                 }
 303
 304         if (badops)
 305                 {
 306 bad:
 307                 for (pp=x509_usage; (*pp != NULL); pp++)
 308                         BIO_printf(bio_err,*pp);
 309                 goto end;
 310                 }
 311
 312         ERR_load_crypto_strings();
 313
 314         if (!X509_STORE_set_default_paths(ctx))
 315                 {
 316                 ERR_print_errors(bio_err);
 317                 goto end;
 318                 }
 319
 320         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 321                 { CAkeyfile=CAfile; }
 322         else if ((CA_flag) && (CAkeyfile == NULL))
 323                 {
 324                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 325                 goto end;
 326                 }
 327
 328         if (reqfile)
 329                 {
 330                 EVP_PKEY *pkey;
 331                 X509_CINF *ci;
 332                 BIO *in;
 333
 334                 if (!sign_flag && !CA_flag)
 335                         {
 336                         BIO_printf(bio_err,"We need a private key to sign with\n");
 337                         goto end;
 338                         }
 339                 in=BIO_new(BIO_s_file());
 340                 if (in == NULL)
 341                         {
 342                         ERR_print_errors(bio_err);
 343                         goto end;
 344                         }
 345
 346                 if (infile == NULL)
 347                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 348                 else
 349                         {
 350                         if (BIO_read_filename(in,infile) <= 0)
 351                                 {
 352                                 perror(infile);
 353                                 goto end;
 354                                 }
 355                         }
 356                 req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 357                 BIO_free(in);
 358
 359                 if (req == NULL) { perror(infile); goto end; }
 360
 361                 if (    (req->req_info == NULL) ||
 362                         (req->req_info->pubkey == NULL) ||
 363                         (req->req_info->pubkey->public_key == NULL) ||
 364                         (req->req_info->pubkey->public_key->data == NULL))
 365                         {
 366                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 367                         BIO_printf(bio_err,"It does not contain a public key\n");
 368                         goto end;
 369                         }
 370                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 371                         {
 372                         BIO_printf(bio_err,"error unpacking public key\n");
 373                         goto end;
 374                         }
 375                 i=X509_REQ_verify(req,pkey);
 376                 if (i < 0)
 377                         {
 378                         BIO_printf(bio_err,"Signature verification error\n");
 379                         ERR_print_errors(bio_err);
 380                         goto end;
 381                         }
 382                 if (i == 0)
 383                         {
 384                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 385                         goto end;
 386                         }
 387                 else
 388                         BIO_printf(bio_err,"Signature ok\n");
 389
 390                 X509_NAME_oneline(req->req_info->subject,buf,256);
 391                 BIO_printf(bio_err,"subject=%s\n",buf);
 392
 393                 if ((x=X509_new()) == NULL) goto end;
 394                 ci=x->cert_info;
 395
 396                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 397                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 398                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 399
 400                 X509_gmtime_adj(X509_get_notBefore(x),0);
 401                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 402
 403                 X509_PUBKEY_free(ci->key);
 404                 ci->key=req->req_info->pubkey;
 405                 req->req_info->pubkey=NULL;
 406                 }
 407         else
 408                 x=load_cert(infile,informat);
 409
 410         if (x == NULL) goto end;
 411         if (CA_flag)
 412                 {
 413                 xca=load_cert(CAfile,CAformat);
 414                 if (xca == NULL) goto end;
 415                 }
 416
 417         if (!noout || text)
 418                 {
 419                 OBJ_create("2.99999.3",
 420                         "SET.ex3","SET x509v3 extension 3");
 421
 422                 out=BIO_new(BIO_s_file());
 423                 if (out == NULL)
 424                         {
 425                         ERR_print_errors(bio_err);
 426                         goto end;
 427                         }
 428                 if (outfile == NULL)
 429                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 430                 else
 431                         {
 432                         if (BIO_write_filename(out,outfile) <= 0)
 433                                 {
 434                                 perror(outfile);
 435                                 goto end;
 436                                 }
 437                         }
 438                 }
 439
 440         if (num)
 441                 {
 442                 for (i=1; i<=num; i++)
 443                         {
 444                         if (issuer == i)
 445                                 {
 446                                 X509_NAME_oneline(X509_get_issuer_name(x),
 447                                         buf,256);
 448                                 fprintf(stdout,"issuer= %s\n",buf);
 449                                 }
 450                         else if (subject == i)
 451                                 {
 452                                 X509_NAME_oneline(X509_get_subject_name(x),
 453                                         buf,256);
 454                                 fprintf(stdout,"subject=%s\n",buf);
 455                                 }
 456                         else if (serial == i)
 457                                 {
 458                                 fprintf(stdout,"serial=");
 459                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 460                                 fprintf(stdout,"\n");
 461                                 }
 462                         else if (hash == i)
 463                                 {
 464                                 fprintf(stdout,"%08lx\n",
 465                                         X509_subject_name_hash(x));
 466                                 }
 467                         else
 468 #ifndef NO_RSA
 469                                 if (modulus == i)
 470                                 {
 471                                 EVP_PKEY *pkey;
 472
 473                                 pkey=X509_get_pubkey(x);
 474                                 if (pkey == NULL)
 475                                         {
 476                                         fprintf(stdout,"Modulus=unavailable\n");
 477                                         ERR_print_errors(bio_err);
 478                                         goto end;
 479                                         }
 480                                 fprintf(stdout,"Modulus=");
 481                                 if (pkey->type == EVP_PKEY_RSA)
 482                                         BN_print(STDout,pkey->pkey.rsa->n);
 483                                 else
 484                                         fprintf(stdout,"Wrong Algorithm type");
 485                                 fprintf(stdout,"\n");
 486                                 }
 487                         else
 488 #endif
 489                                 if (C == i)
 490                                 {
 491                                 unsigned char *d;
 492                                 char *m;
 493                                 int y,z;
 494
 495                                 X509_NAME_oneline(X509_get_subject_name(x),
 496                                         buf,256);
 497                                 printf("/* subject:%s */\n",buf);
 498                                 m=X509_NAME_oneline(
 499                                         X509_get_issuer_name(x),buf,256);
 500                                 printf("/* issuer :%s */\n",buf);
 501
 502                                 z=i2d_X509(x,NULL);
 503                                 m=Malloc(z);
 504
 505                                 d=(unsigned char *)m;
 506                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 507                                 printf("unsigned char XXX_subject_name[%d]={\n",z);
 508                                 d=(unsigned char *)m;
 509                                 for (y=0; y<z; y++)
 510                                         {
 511                                         printf("0x%02X,",d[y]);
 512                                         if ((y & 0x0f) == 0x0f) printf("\n");
 513                                         }
 514                                 if (y%16 != 0) printf("\n");
 515                                 printf("};\n");
 516
 517                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 518                                 printf("unsigned char XXX_public_key[%d]={\n",z);
 519                                 d=(unsigned char *)m;
 520                                 for (y=0; y<z; y++)
 521                                         {
 522                                         printf("0x%02X,",d[y]);
 523                                         if ((y & 0x0f) == 0x0f) printf("\n");
 524                                         }
 525                                 if (y%16 != 0) printf("\n");
 526                                 printf("};\n");
 527
 528                                 z=i2d_X509(x,&d);
 529                                 printf("unsigned char XXX_certificate[%d]={\n",z);
 530                                 d=(unsigned char *)m;
 531                                 for (y=0; y<z; y++)
 532                                         {
 533                                         printf("0x%02X,",d[y]);
 534                                         if ((y & 0x0f) == 0x0f) printf("\n");
 535                                         }
 536                                 if (y%16 != 0) printf("\n");
 537                                 printf("};\n");
 538
 539                                 Free(m);
 540                                 }
 541                         else if (text == i)
 542                                 {
 543                                 X509_print(out,x);
 544                                 }
 545                         else if (startdate == i)
 546                                 {
 547                                 BIO_puts(STDout,"notBefore=");
 548                                 ASN1_UTCTIME_print(STDout,X509_get_notBefore(x));
 549                                 BIO_puts(STDout,"\n");
 550                                 }
 551                         else if (enddate == i)
 552                                 {
 553                                 BIO_puts(STDout,"notAfter=");
 554                                 ASN1_UTCTIME_print(STDout,X509_get_notAfter(x));
 555                                 BIO_puts(STDout,"\n");
 556                                 }
 557                         else if (fingerprint == i)
 558                                 {
 559                                 int j;
 560                                 unsigned int n;
 561                                 unsigned char md[EVP_MAX_MD_SIZE];
 562
 563                                 if (!X509_digest(x,EVP_md5(),md,&n))
 564                                         {
 565                                         BIO_printf(bio_err,"out of memory\n");
 566                                         goto end;
 567                                         }
 568                                 fprintf(stdout,"MD5 Fingerprint=");
 569                                 for (j=0; j<(int)n; j++)
 570                                         {
 571                                         fprintf(stdout,"%02X%c",md[j],
 572                                                 (j+1 == (int)n)
 573                                                 ?'\n':':');
 574                                         }
 575                                 }
 576
 577                         /* should be in the library */
 578                         else if ((sign_flag == i) && (x509req == 0))
 579                                 {
 580                                 BIO_printf(bio_err,"Getting Private key\n");
 581                                 if (Upkey == NULL)
 582                                         {
 583                                         Upkey=load_key(keyfile,keyformat);
 584                                         if (Upkey == NULL) goto end;
 585                                         }
 586 #ifndef NO_DSA
 587                                 if (Upkey->type == EVP_PKEY_DSA)
 588                                         digest=EVP_dss1();
 589 #endif
 590
 591                                 if (!sign(x,Upkey,days,digest)) goto end;
 592                                 }
 593                         else if (CA_flag == i)
 594                                 {
 595                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 596                                 if (CAkeyfile != NULL)
 597                                         {
 598                                         CApkey=load_key(CAkeyfile,CAkeyformat);
 599                                         if (CApkey == NULL) goto end;
 600                                         }
 601 #ifndef NO_DSA
 602                                 if (CApkey->type == EVP_PKEY_DSA)
 603                                         digest=EVP_dss1();
 604 #endif
 605                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 606                                         CApkey,
 607                                         CAserial,CA_createserial,days))
 608                                         goto end;
 609                                 }
 610                         else if (x509req == i)
 611                                 {
 612                                 EVP_PKEY *pk;
 613
 614                                 BIO_printf(bio_err,"Getting request Private Key\n");
 615                                 if (keyfile == NULL)
 616                                         {
 617                                         BIO_printf(bio_err,"no request key file specified\n");
 618                                         goto end;
 619                                         }
 620                                 else
 621                                         {
 622                                         pk=load_key(keyfile,FORMAT_PEM);
 623                                         if (pk == NULL) goto end;
 624                                         }
 625
 626                                 BIO_printf(bio_err,"Generating certificate request\n");
 627
 628                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
 629                                 EVP_PKEY_free(pk);
 630                                 if (rq == NULL)
 631                                         {
 632                                         ERR_print_errors(bio_err);
 633                                         goto end;
 634                                         }
 635                                 if (!noout)
 636                                         {
 637                                         X509_REQ_print(out,rq);
 638                                         PEM_write_bio_X509_REQ(out,rq);
 639                                         }
 640                                 noout=1;
 641                                 }
 642                         }
 643                 }
 644
 645         if (noout)
 646                 {
 647                 ret=0;
 648                 goto end;
 649                 }
 650
 651         if      (outformat == FORMAT_ASN1)
 652                 i=i2d_X509_bio(out,x);
 653         else if (outformat == FORMAT_PEM)
 654                 i=PEM_write_bio_X509(out,x);
 655         else if (outformat == FORMAT_NETSCAPE)
 656                 {
 657                 ASN1_HEADER ah;
 658                 ASN1_OCTET_STRING os;
 659
 660                 os.data=(unsigned char *)CERT_HDR;
 661                 os.length=strlen(CERT_HDR);
 662                 ah.header= &os;
 663                 ah.data=(char *)x;
 664                 ah.meth=X509_asn1_meth();
 665
 666                 /* no macro for this one yet */
 667                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 668                 }
 669         else    {
 670                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 671                 goto end;
 672                 }
 673         if (!i) {
 674                 BIO_printf(bio_err,"unable to write certificate\n");
 675                 ERR_print_errors(bio_err);
 676                 goto end;
 677                 }
 678         ret=0;
 679 end:
 680         OBJ_cleanup();
 681         if (out != NULL) BIO_free(out);
 682         if (STDout != NULL) BIO_free(STDout);
 683         if (ctx != NULL) X509_STORE_free(ctx);
 684         if (req != NULL) X509_REQ_free(req);
 685         if (x != NULL) X509_free(x);
 686         if (xca != NULL) X509_free(xca);
 687         if (Upkey != NULL) EVP_PKEY_free(Upkey);
 688         if (CApkey != NULL) EVP_PKEY_free(CApkey);
 689         if (rq != NULL) X509_REQ_free(rq);
 690         EXIT(ret);
 691         }
 692
 693 static int x509_certify(ctx,CAfile,digest,x,xca,pkey,serialfile,create,days)
 694 X509_STORE *ctx;
 695 char *CAfile;
 696 EVP_MD *digest;
 697 X509 *x;
 698 X509 *xca;
 699 EVP_PKEY *pkey;
 700 char *serialfile;
 701 int create;
 702 int days;
 703         {
 704         int ret=0;
 705         BIO *io=NULL;
 706         MS_STATIC char buf2[1024];
 707         char *buf=NULL,*p;
 708         BIGNUM *serial=NULL;
 709         ASN1_INTEGER *bs=NULL,bs2;
 710         X509_STORE_CTX xsc;
 711         EVP_PKEY *upkey;
 712
 713         EVP_PKEY_copy_parameters(X509_get_pubkey(xca),pkey);
 714
 715         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 716         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 717                 ((serialfile == NULL)
 718                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 719                         :(strlen(serialfile)))+1);
 720         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 721         if (serialfile == NULL)
 722                 {
 723                 strcpy(buf,CAfile);
 724                 for (p=buf; *p; p++)
 725                         if (*p == '.')
 726                                 {
 727                                 *p='\0';
 728                                 break;
 729                                 }
 730                 strcat(buf,POSTFIX);
 731                 }
 732         else
 733                 strcpy(buf,serialfile);
 734         serial=BN_new();
 735         bs=ASN1_INTEGER_new();
 736         if ((serial == NULL) || (bs == NULL))
 737                 {
 738                 ERR_print_errors(bio_err);
 739                 goto end;
 740                 }
 741
 742         io=BIO_new(BIO_s_file());
 743         if (io == NULL)
 744                 {
 745                 ERR_print_errors(bio_err);
 746                 goto end;
 747                 }
 748
 749         if (BIO_read_filename(io,buf) <= 0)
 750                 {
 751                 if (!create)
 752                         {
 753                         perror(buf);
 754                         goto end;
 755                         }
 756                 else
 757                         {
 758                         ASN1_INTEGER_set(bs,0);
 759                         BN_zero(serial);
 760                         }
 761                 }
 762         else
 763                 {
 764                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 765                         {
 766                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 767                         ERR_print_errors(bio_err);
 768                         goto end;
 769                         }
 770                 else
 771                         {
 772                         serial=BN_bin2bn(bs->data,bs->length,serial);
 773                         if (serial == NULL)
 774                                 {
 775                                 BIO_printf(bio_err,"error converting bin 2 bn");
 776                                 goto end;
 777                                 }
 778                         }
 779                 }
 780
 781         if (!BN_add_word(serial,1))
 782                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 783         bs2.data=(unsigned char *)buf2;
 784         bs2.length=BN_bn2bin(serial,bs2.data);
 785
 786         if (BIO_write_filename(io,buf) <= 0)
 787                 {
 788                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 789                 perror(buf);
 790                 goto end;
 791                 }
 792         i2a_ASN1_INTEGER(io,&bs2);
 793         BIO_puts(io,"\n");
 794         BIO_free(io);
 795         io=NULL;
 796
 797         if (!X509_STORE_add_cert(ctx,x)) goto end;
 798
 799         /* NOTE: this certificate can/should be self signed, unless it was
 800          * a certificate request in which case it is not. */
 801         X509_STORE_CTX_set_cert(&xsc,x);
 802         if (!reqfile && !X509_verify_cert(&xsc))
 803                 goto end;
 804
 805         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
 806         if (!X509_set_serialNumber(x,bs)) goto end;
 807
 808         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
 809                 goto end;
 810
 811         /* hardwired expired */
 812         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
 813                 goto end;
 814
 815         /* don't save DSA parameters in child if parent has them
 816          * and the parents and the childs are the same. */
 817         upkey=X509_get_pubkey(x);
 818         if (!EVP_PKEY_missing_parameters(pkey) &&
 819                 (EVP_PKEY_cmp_parameters(pkey,upkey) == 0))
 820                 {
 821                 EVP_PKEY_save_parameters(upkey,0);
 822                 /* Force a re-write */
 823                 X509_set_pubkey(x,upkey);
 824                 }
 825
 826         if (!X509_sign(x,pkey,digest)) goto end;
 827         ret=1;
 828 end:
 829         X509_STORE_CTX_cleanup(&xsc);
 830         if (!ret)
 831                 ERR_print_errors(bio_err);
 832         if (buf != NULL) Free(buf);
 833         if (bs != NULL) ASN1_INTEGER_free(bs);
 834         if (io != NULL) BIO_free(io);
 835         if (serial != NULL) BN_free(serial);
 836         return(ret);
 837         }
 838
 839 static int MS_CALLBACK callb(ok, ctx)
 840 int ok;
 841 X509_STORE_CTX *ctx;
 842         {
 843         char buf[256];
 844         int err;
 845         X509 *err_cert;
 846
 847         /* it is ok to use a self signed certificate
 848          * This case will catch both the initial ok == 0 and the
 849          * final ok == 1 calls to this function */
 850         err=X509_STORE_CTX_get_error(ctx);
 851         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
 852                 return(1);
 853
 854         /* BAD we should have gotten an error.  Normally if everything
 855          * worked X509_STORE_CTX_get_error(ctx) will still be set to
 856          * DEPTH_ZERO_SELF_.... */
 857         if (ok)
 858                 {
 859                 printf("error with certificate to be certified - should be self signed\n");
 860                 return(0);
 861                 }
 862         else
 863                 {
 864                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
 865                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
 866                 printf("%s\n",buf);
 867                 printf("error with certificate - error %d at depth %d\n%s\n",
 868                         err,X509_STORE_CTX_get_error_depth(ctx),
 869                         X509_verify_cert_error_string(err));
 870                 return(1);
 871                 }
 872         }
 873
 874 static EVP_PKEY *load_key(file, format)
 875 char *file;
 876 int format;
 877         {
 878         BIO *key=NULL;
 879         EVP_PKEY *pkey=NULL;
 880
 881         if (file == NULL)
 882                 {
 883                 BIO_printf(bio_err,"no keyfile specified\n");
 884                 goto end;
 885                 }
 886         key=BIO_new(BIO_s_file());
 887         if (key == NULL)
 888                 {
 889                 ERR_print_errors(bio_err);
 890                 goto end;
 891                 }
 892         if (BIO_read_filename(key,file) <= 0)
 893                 {
 894                 perror(file);
 895                 goto end;
 896                 }
 897 #ifndef NO_RSA
 898         if      (format == FORMAT_ASN1)
 899                 {
 900                 RSA *rsa;
 901
 902                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
 903                 if (rsa != NULL)
 904                         {
 905                         if ((pkey=EVP_PKEY_new()) != NULL)
 906                                 EVP_PKEY_assign_RSA(pkey,rsa);
 907                         else
 908                                 RSA_free(rsa);
 909                         }
 910                 }
 911         else
 912 #endif
 913                 if (format == FORMAT_PEM)
 914                 {
 915                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL);
 916                 }
 917         else
 918                 {
 919                 BIO_printf(bio_err,"bad input format specified for key\n");
 920                 goto end;
 921                 }
 922 end:
 923         if (key != NULL) BIO_free(key);
 924         if (pkey == NULL)
 925                 BIO_printf(bio_err,"unable to load Private Key\n");
 926         return(pkey);
 927         }
 928
 929 static X509 *load_cert(file, format)
 930 char *file;
 931 int format;
 932         {
 933         ASN1_HEADER *ah=NULL;
 934         BUF_MEM *buf=NULL;
 935         X509 *x=NULL;
 936         BIO *cert;
 937
 938         if ((cert=BIO_new(BIO_s_file())) == NULL)
 939                 {
 940                 ERR_print_errors(bio_err);
 941                 goto end;
 942                 }
 943
 944         if (file == NULL)
 945                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
 946         else
 947                 {
 948                 if (BIO_read_filename(cert,file) <= 0)
 949                         {
 950                         perror(file);
 951                         goto end;
 952                         }
 953                 }
 954         if      (format == FORMAT_ASN1)
 955                 x=d2i_X509_bio(cert,NULL);
 956         else if (format == FORMAT_NETSCAPE)
 957                 {
 958                 unsigned char *p,*op;
 959                 int size=0,i;
 960
 961                 /* We sort of have to do it this way because it is sort of nice
 962                  * to read the header first and check it, then
 963                  * try to read the certificate */
 964                 buf=BUF_MEM_new();
 965                 for (;;)
 966                         {
 967                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
 968                                 goto end;
 969                         i=BIO_read(cert,&(buf->data[size]),1024*10);
 970                         size+=i;
 971                         if (i == 0) break;
 972                         if (i < 0)
 973                                 {
 974                                 perror("reading certificate");
 975                                 goto end;
 976                                 }
 977                         }
 978                 p=(unsigned char *)buf->data;
 979                 op=p;
 980
 981                 /* First load the header */
 982                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
 983                         goto end;
 984                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
 985                         (strncmp(CERT_HDR,(char *)ah->header->data,
 986                         ah->header->length) != 0))
 987                         {
 988                         BIO_printf(bio_err,"Error reading header on certificate\n");
 989                         goto end;
 990                         }
 991                 /* header is ok, so now read the object */
 992                 p=op;
 993                 ah->meth=X509_asn1_meth();
 994                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
 995                         goto end;
 996                 x=(X509 *)ah->data;
 997                 ah->data=NULL;
 998                 }
 999         else if (format == FORMAT_PEM)
1000                 x=PEM_read_bio_X509(cert,NULL,NULL);
1001         else    {
1002                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1003                 goto end;
1004                 }
1005 end:
1006         if (x == NULL)
1007                 {
1008                 BIO_printf(bio_err,"unable to load certificate\n");
1009                 ERR_print_errors(bio_err);
1010                 }
1011         if (ah != NULL) ASN1_HEADER_free(ah);
1012         if (cert != NULL) BIO_free(cert);
1013         if (buf != NULL) BUF_MEM_free(buf);
1014         return(x);
1015         }
1016
1017 /* self sign */
1018 static int sign(x, pkey, days, digest)
1019 X509 *x;
1020 EVP_PKEY *pkey;
1021 int days;
1022 EVP_MD *digest;
1023         {
1024
1025         EVP_PKEY_copy_parameters(X509_get_pubkey(x),pkey);
1026         EVP_PKEY_save_parameters(X509_get_pubkey(x),1);
1027
1028         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1029         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1030
1031         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1032         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1033         /* 28 days to be certified */
1034
1035         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1036                 goto err;
1037
1038         if (!X509_set_pubkey(x,pkey)) goto err;
1039         if (!X509_sign(x,pkey,digest)) goto err;
1040         return(1);
1041 err:
1042         ERR_print_errors(bio_err);
1043         return(0);
1044         }