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 <assert.h>
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <string.h>
  63 #ifdef NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/asn1.h>
  69 #include <openssl/err.h>
  70 #include <openssl/bn.h>
  71 #include <openssl/evp.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76
  77 #undef PROG
  78 #define PROG x509_main
  79
  80 #undef POSTFIX
  81 #define POSTFIX ".srl"
  82 #define DEF_DAYS        30
  83
  84 #define CERT_HDR        "certificate"
  85
  86 static char *x509_usage[]={
  87 "usage: x509 args\n",
  88 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  89 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  90 " -keyform arg    - private key format - default PEM\n",
  91 " -CAform arg     - CA format - default PEM\n",
  92 " -CAkeyform arg  - CA key format - default PEM\n",
  93 " -in arg         - input file - default stdin\n",
  94 " -out arg        - output file - default stdout\n",
  95 " -serial         - print serial number value\n",
  96 " -hash           - print hash value\n",
  97 " -subject        - print subject DN\n",
  98 " -issuer         - print issuer DN\n",
  99 " -startdate      - notBefore field\n",
 100 " -enddate        - notAfter field\n",
 101 " -purpose        - print out certificate purposes\n",
 102 " -dates          - both Before and After dates\n",
 103 " -modulus        - print the RSA key modulus\n",
 104 " -fingerprint    - print the certificate fingerprint\n",
 105 " -noout          - no certificate output\n",
 106
 107 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 108 " -signkey arg    - self sign cert with arg\n",
 109 " -x509toreq      - output a certification request object\n",
 110 " -req            - input is a certificate request, sign and output.\n",
 111 " -CA arg         - set the CA certificate, must be PEM format.\n",
 112 " -CAkey arg      - set the CA key, must be PEM format\n",
 113 "                   missing, it is asssumed to be in the CA file.\n",
 114 " -CAcreateserial - create serial number file if it does not exist\n",
 115 " -CAserial       - serial file\n",
 116 " -text           - print the certificate in text form\n",
 117 " -C              - print out C code forms\n",
 118 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
 119 " -extfile        - configuration file with X509V3 extensions to add\n",
 120 " -extensions     - section from config file with X509V3 extensions to add\n",
 121 NULL
 122 };
 123
 124 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 125 static EVP_PKEY *load_key(char *file, int format);
 126 static X509 *load_cert(char *file, int format);
 127 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
 128                                                 LHASH *conf, char *section);
 129 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 130                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 131                          int create,int days, LHASH *conf, char *section);
 132 static int efunc(X509_PURPOSE *pt, void *arg);
 133 static int reqfile=0;
 134
 135 typedef struct {
 136 BIO *bio;
 137 X509 *cert;
 138 } X509_PPRINT;
 139
 140 int MAIN(int argc, 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         int pprint = 0;
 157         char **pp;
 158         X509_STORE *ctx=NULL;
 159         X509_REQ *rq=NULL;
 160         int fingerprint=0;
 161         char buf[256];
 162         const EVP_MD *md_alg,*digest=EVP_md5();
 163         LHASH *extconf = NULL;
 164         char *extsect = NULL, *extfile = NULL;
 165         int need_rand = 0;
 166
 167         reqfile=0;
 168
 169         apps_startup();
 170
 171         if (bio_err == NULL)
 172                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 173         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 174
 175         informat=FORMAT_PEM;
 176         outformat=FORMAT_PEM;
 177         keyformat=FORMAT_PEM;
 178         CAformat=FORMAT_PEM;
 179         CAkeyformat=FORMAT_PEM;
 180
 181         ctx=X509_STORE_new();
 182         if (ctx == NULL) goto end;
 183         X509_STORE_set_verify_cb_func(ctx,callb);
 184
 185         argc--;
 186         argv++;
 187         num=0;
 188         while (argc >= 1)
 189                 {
 190                 if      (strcmp(*argv,"-inform") == 0)
 191                         {
 192                         if (--argc < 1) goto bad;
 193                         informat=str2fmt(*(++argv));
 194                         }
 195                 else if (strcmp(*argv,"-outform") == 0)
 196                         {
 197                         if (--argc < 1) goto bad;
 198                         outformat=str2fmt(*(++argv));
 199                         }
 200                 else if (strcmp(*argv,"-keyform") == 0)
 201                         {
 202                         if (--argc < 1) goto bad;
 203                         keyformat=str2fmt(*(++argv));
 204                         }
 205                 else if (strcmp(*argv,"-req") == 0)
 206                         {
 207                         reqfile=1;
 208                         need_rand = 1;
 209                         }
 210                 else if (strcmp(*argv,"-CAform") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         CAformat=str2fmt(*(++argv));
 214                         }
 215                 else if (strcmp(*argv,"-CAkeyform") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         CAformat=str2fmt(*(++argv));
 219                         }
 220                 else if (strcmp(*argv,"-days") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         days=atoi(*(++argv));
 224                         if (days == 0)
 225                                 {
 226                                 BIO_printf(STDout,"bad number of days\n");
 227                                 goto bad;
 228                                 }
 229                         }
 230                 else if (strcmp(*argv,"-extfile") == 0)
 231                         {
 232                         if (--argc < 1) goto bad;
 233                         extfile= *(++argv);
 234                         }
 235                 else if (strcmp(*argv,"-extensions") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         extsect= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-in") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         infile= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-out") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         outfile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-signkey") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         keyfile= *(++argv);
 254                         sign_flag= ++num;
 255                         need_rand = 1;
 256                         }
 257                 else if (strcmp(*argv,"-CA") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         CAfile= *(++argv);
 261                         CA_flag= ++num;
 262                         }
 263                 else if (strcmp(*argv,"-CAkey") == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         CAkeyfile= *(++argv);
 267                         }
 268                 else if (strcmp(*argv,"-CAserial") == 0)
 269                         {
 270                         if (--argc < 1) goto bad;
 271                         CAserial= *(++argv);
 272                         }
 273                 else if (strcmp(*argv,"-C") == 0)
 274                         C= ++num;
 275                 else if (strcmp(*argv,"-serial") == 0)
 276                         serial= ++num;
 277                 else if (strcmp(*argv,"-modulus") == 0)
 278                         modulus= ++num;
 279                 else if (strcmp(*argv,"-x509toreq") == 0)
 280                         x509req= ++num;
 281                 else if (strcmp(*argv,"-text") == 0)
 282                         text= ++num;
 283                 else if (strcmp(*argv,"-hash") == 0)
 284                         hash= ++num;
 285                 else if (strcmp(*argv,"-subject") == 0)
 286                         subject= ++num;
 287                 else if (strcmp(*argv,"-issuer") == 0)
 288                         issuer= ++num;
 289                 else if (strcmp(*argv,"-fingerprint") == 0)
 290                         fingerprint= ++num;
 291                 else if (strcmp(*argv,"-dates") == 0)
 292                         {
 293                         startdate= ++num;
 294                         enddate= ++num;
 295                         }
 296                 else if (strcmp(*argv,"-purpose") == 0)
 297                         pprint= ++num;
 298                 else if (strcmp(*argv,"-startdate") == 0)
 299                         startdate= ++num;
 300                 else if (strcmp(*argv,"-enddate") == 0)
 301                         enddate= ++num;
 302                 else if (strcmp(*argv,"-noout") == 0)
 303                         noout= ++num;
 304                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 305                         CA_createserial= ++num;
 306                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 307                         {
 308                         /* ok */
 309                         digest=md_alg;
 310                         }
 311                 else
 312                         {
 313                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 314                         badops=1;
 315                         break;
 316                         }
 317                 argc--;
 318                 argv++;
 319                 }
 320
 321         if (badops)
 322                 {
 323 bad:
 324                 for (pp=x509_usage; (*pp != NULL); pp++)
 325                         BIO_printf(bio_err,*pp);
 326                 goto end;
 327                 }
 328
 329         if (need_rand)
 330                 app_RAND_load_file(NULL, bio_err, 0);
 331
 332         ERR_load_crypto_strings();
 333         X509V3_add_standard_extensions();
 334         X509_PURPOSE_add_standard();
 335
 336         if (!X509_STORE_set_default_paths(ctx))
 337                 {
 338                 ERR_print_errors(bio_err);
 339                 goto end;
 340                 }
 341
 342         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 343                 { CAkeyfile=CAfile; }
 344         else if ((CA_flag) && (CAkeyfile == NULL))
 345                 {
 346                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 347                 goto end;
 348                 }
 349
 350         if (extfile) {
 351                 long errorline;
 352                 X509V3_CTX ctx2;
 353                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 354                         if (errorline <= 0)
 355                                 BIO_printf(bio_err,
 356                                         "error loading the config file '%s'\n",
 357                                                                 extfile);
 358                         else
 359                                 BIO_printf(bio_err,
 360                                        "error on line %ld of config file '%s'\n"
 361                                                         ,errorline,extfile);
 362                         goto end;
 363                 }
 364                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 365                                          "extensions"))) extsect = "default";
 366                 X509V3_set_ctx_test(&ctx2);
 367                 X509V3_set_conf_lhash(&ctx2, extconf);
 368                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 369                         BIO_printf(bio_err,
 370                                 "Error Loading extension section %s\n",
 371                                                                  extsect);
 372                         ERR_print_errors(bio_err);
 373                         goto end;
 374                 }
 375         }
 376
 377
 378         if (reqfile)
 379                 {
 380                 EVP_PKEY *pkey;
 381                 X509_CINF *ci;
 382                 BIO *in;
 383
 384                 if (!sign_flag && !CA_flag)
 385                         {
 386                         BIO_printf(bio_err,"We need a private key to sign with\n");
 387                         goto end;
 388                         }
 389                 in=BIO_new(BIO_s_file());
 390                 if (in == NULL)
 391                         {
 392                         ERR_print_errors(bio_err);
 393                         goto end;
 394                         }
 395
 396                 if (infile == NULL)
 397                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 398                 else
 399                         {
 400                         if (BIO_read_filename(in,infile) <= 0)
 401                                 {
 402                                 perror(infile);
 403                                 goto end;
 404                                 }
 405                         }
 406                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 407                 BIO_free(in);
 408
 409                 if (req == NULL) { perror(infile); goto end; }
 410
 411                 if (    (req->req_info == NULL) ||
 412                         (req->req_info->pubkey == NULL) ||
 413                         (req->req_info->pubkey->public_key == NULL) ||
 414                         (req->req_info->pubkey->public_key->data == NULL))
 415                         {
 416                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 417                         BIO_printf(bio_err,"It does not contain a public key\n");
 418                         goto end;
 419                         }
 420                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 421                         {
 422                         BIO_printf(bio_err,"error unpacking public key\n");
 423                         goto end;
 424                         }
 425                 i=X509_REQ_verify(req,pkey);
 426                 EVP_PKEY_free(pkey);
 427                 if (i < 0)
 428                         {
 429                         BIO_printf(bio_err,"Signature verification error\n");
 430                         ERR_print_errors(bio_err);
 431                         goto end;
 432                         }
 433                 if (i == 0)
 434                         {
 435                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 436                         goto end;
 437                         }
 438                 else
 439                         BIO_printf(bio_err,"Signature ok\n");
 440
 441                 X509_NAME_oneline(req->req_info->subject,buf,256);
 442                 BIO_printf(bio_err,"subject=%s\n",buf);
 443
 444                 if ((x=X509_new()) == NULL) goto end;
 445                 ci=x->cert_info;
 446
 447                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 448                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 449                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 450
 451                 X509_gmtime_adj(X509_get_notBefore(x),0);
 452                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 453
 454 #if 0
 455                 X509_PUBKEY_free(ci->key);
 456                 ci->key=req->req_info->pubkey;
 457                 req->req_info->pubkey=NULL;
 458 #else
 459                 pkey = X509_REQ_get_pubkey(req);
 460                 X509_set_pubkey(x,pkey);
 461                 EVP_PKEY_free(pkey);
 462 #endif
 463                 }
 464         else
 465                 x=load_cert(infile,informat);
 466
 467         if (x == NULL) goto end;
 468         if (CA_flag)
 469                 {
 470                 xca=load_cert(CAfile,CAformat);
 471                 if (xca == NULL) goto end;
 472                 }
 473
 474         if (!noout || text)
 475                 {
 476                 OBJ_create("2.99999.3",
 477                         "SET.ex3","SET x509v3 extension 3");
 478
 479                 out=BIO_new(BIO_s_file());
 480                 if (out == NULL)
 481                         {
 482                         ERR_print_errors(bio_err);
 483                         goto end;
 484                         }
 485                 if (outfile == NULL)
 486                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 487                 else
 488                         {
 489                         if (BIO_write_filename(out,outfile) <= 0)
 490                                 {
 491                                 perror(outfile);
 492                                 goto end;
 493                                 }
 494                         }
 495                 }
 496
 497         if (num)
 498                 {
 499                 for (i=1; i<=num; i++)
 500                         {
 501                         if (issuer == i)
 502                                 {
 503                                 X509_NAME_oneline(X509_get_issuer_name(x),
 504                                         buf,256);
 505                                 BIO_printf(STDout,"issuer= %s\n",buf);
 506                                 }
 507                         else if (subject == i)
 508                                 {
 509                                 X509_NAME_oneline(X509_get_subject_name(x),
 510                                         buf,256);
 511                                 BIO_printf(STDout,"subject=%s\n",buf);
 512                                 }
 513                         else if (serial == i)
 514                                 {
 515                                 BIO_printf(STDout,"serial=");
 516                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 517                                 BIO_printf(STDout,"\n");
 518                                 }
 519                         else if (hash == i)
 520                                 {
 521                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 522                                 }
 523                         else if (pprint == i)
 524                                 {
 525                                 X509_PPRINT ptmp;
 526                                 ptmp.bio = STDout;
 527                                 ptmp.cert = x;
 528                                 BIO_printf(STDout, "Certificate purposes:\n");
 529                                 X509_PURPOSE_enum(efunc, &ptmp);
 530                                 }
 531                         else
 532                                 if (modulus == i)
 533                                 {
 534                                 EVP_PKEY *pkey;
 535
 536                                 pkey=X509_get_pubkey(x);
 537                                 if (pkey == NULL)
 538                                         {
 539                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 540                                         ERR_print_errors(bio_err);
 541                                         goto end;
 542                                         }
 543                                 BIO_printf(STDout,"Modulus=");
 544 #ifndef NO_RSA
 545                                 if (pkey->type == EVP_PKEY_RSA)
 546                                         BN_print(STDout,pkey->pkey.rsa->n);
 547                                 else
 548 #endif
 549 #ifndef NO_DSA
 550                                 if (pkey->type == EVP_PKEY_DSA)
 551                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 552                                 else
 553 #endif
 554                                         BIO_printf(STDout,"Wrong Algorithm type");
 555                                 BIO_printf(STDout,"\n");
 556                                 EVP_PKEY_free(pkey);
 557                                 }
 558                         else
 559                                 if (C == i)
 560                                 {
 561                                 unsigned char *d;
 562                                 char *m;
 563                                 int y,z;
 564
 565                                 X509_NAME_oneline(X509_get_subject_name(x),
 566                                         buf,256);
 567                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 568                                 m=X509_NAME_oneline(
 569                                         X509_get_issuer_name(x),buf,256);
 570                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 571
 572                                 z=i2d_X509(x,NULL);
 573                                 m=Malloc(z);
 574
 575                                 d=(unsigned char *)m;
 576                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 577                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 578                                 d=(unsigned char *)m;
 579                                 for (y=0; y<z; y++)
 580                                         {
 581                                         BIO_printf(STDout,"0x%02X,",d[y]);
 582                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 583                                         }
 584                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 585                                 BIO_printf(STDout,"};\n");
 586
 587                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 588                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 589                                 d=(unsigned char *)m;
 590                                 for (y=0; y<z; y++)
 591                                         {
 592                                         BIO_printf(STDout,"0x%02X,",d[y]);
 593                                         if ((y & 0x0f) == 0x0f)
 594                                                 BIO_printf(STDout,"\n");
 595                                         }
 596                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 597                                 BIO_printf(STDout,"};\n");
 598
 599                                 z=i2d_X509(x,&d);
 600                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 601                                 d=(unsigned char *)m;
 602                                 for (y=0; y<z; y++)
 603                                         {
 604                                         BIO_printf(STDout,"0x%02X,",d[y]);
 605                                         if ((y & 0x0f) == 0x0f)
 606                                                 BIO_printf(STDout,"\n");
 607                                         }
 608                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 609                                 BIO_printf(STDout,"};\n");
 610
 611                                 Free(m);
 612                                 }
 613                         else if (text == i)
 614                                 {
 615                                 X509_print(out,x);
 616                                 }
 617                         else if (startdate == i)
 618                                 {
 619                                 BIO_puts(STDout,"notBefore=");
 620                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 621                                 BIO_puts(STDout,"\n");
 622                                 }
 623                         else if (enddate == i)
 624                                 {
 625                                 BIO_puts(STDout,"notAfter=");
 626                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 627                                 BIO_puts(STDout,"\n");
 628                                 }
 629                         else if (fingerprint == i)
 630                                 {
 631                                 int j;
 632                                 unsigned int n;
 633                                 unsigned char md[EVP_MAX_MD_SIZE];
 634
 635                                 if (!X509_digest(x,EVP_md5(),md,&n))
 636                                         {
 637                                         BIO_printf(bio_err,"out of memory\n");
 638                                         goto end;
 639                                         }
 640                                 BIO_printf(STDout,"MD5 Fingerprint=");
 641                                 for (j=0; j<(int)n; j++)
 642                                         {
 643                                         BIO_printf(STDout,"%02X%c",md[j],
 644                                                 (j+1 == (int)n)
 645                                                 ?'\n':':');
 646                                         }
 647                                 }
 648
 649                         /* should be in the library */
 650                         else if ((sign_flag == i) && (x509req == 0))
 651                                 {
 652                                 BIO_printf(bio_err,"Getting Private key\n");
 653                                 if (Upkey == NULL)
 654                                         {
 655                                         Upkey=load_key(keyfile,keyformat);
 656                                         if (Upkey == NULL) goto end;
 657                                         }
 658 #ifndef NO_DSA
 659                                 if (Upkey->type == EVP_PKEY_DSA)
 660                                         digest=EVP_dss1();
 661 #endif
 662
 663                                 assert(need_rand);
 664                                 if (!sign(x,Upkey,days,digest,
 665                                                  extconf, extsect)) goto end;
 666                                 }
 667                         else if (CA_flag == i)
 668                                 {
 669                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 670                                 if (CAkeyfile != NULL)
 671                                         {
 672                                         CApkey=load_key(CAkeyfile,CAkeyformat);
 673                                         if (CApkey == NULL) goto end;
 674                                         }
 675 #ifndef NO_DSA
 676                                 if (CApkey->type == EVP_PKEY_DSA)
 677                                         digest=EVP_dss1();
 678 #endif
 679
 680                                 assert(need_rand);
 681                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 682                                         CApkey, CAserial,CA_createserial,days,
 683                                         extconf, extsect))
 684                                         goto end;
 685                                 }
 686                         else if (x509req == i)
 687                                 {
 688                                 EVP_PKEY *pk;
 689
 690                                 BIO_printf(bio_err,"Getting request Private Key\n");
 691                                 if (keyfile == NULL)
 692                                         {
 693                                         BIO_printf(bio_err,"no request key file specified\n");
 694                                         goto end;
 695                                         }
 696                                 else
 697                                         {
 698                                         pk=load_key(keyfile,FORMAT_PEM);
 699                                         if (pk == NULL) goto end;
 700                                         }
 701
 702                                 BIO_printf(bio_err,"Generating certificate request\n");
 703
 704                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
 705                                 EVP_PKEY_free(pk);
 706                                 if (rq == NULL)
 707                                         {
 708                                         ERR_print_errors(bio_err);
 709                                         goto end;
 710                                         }
 711                                 if (!noout)
 712                                         {
 713                                         X509_REQ_print(out,rq);
 714                                         PEM_write_bio_X509_REQ(out,rq);
 715                                         }
 716                                 noout=1;
 717                                 }
 718                         }
 719                 }
 720
 721         if (noout)
 722                 {
 723                 ret=0;
 724                 goto end;
 725                 }
 726
 727         if      (outformat == FORMAT_ASN1)
 728                 i=i2d_X509_bio(out,x);
 729         else if (outformat == FORMAT_PEM)
 730                 i=PEM_write_bio_X509(out,x);
 731         else if (outformat == FORMAT_NETSCAPE)
 732                 {
 733                 ASN1_HEADER ah;
 734                 ASN1_OCTET_STRING os;
 735
 736                 os.data=(unsigned char *)CERT_HDR;
 737                 os.length=strlen(CERT_HDR);
 738                 ah.header= &os;
 739                 ah.data=(char *)x;
 740                 ah.meth=X509_asn1_meth();
 741
 742                 /* no macro for this one yet */
 743                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 744                 }
 745         else    {
 746                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 747                 goto end;
 748                 }
 749         if (!i) {
 750                 BIO_printf(bio_err,"unable to write certificate\n");
 751                 ERR_print_errors(bio_err);
 752                 goto end;
 753                 }
 754         ret=0;
 755 end:
 756         if (need_rand)
 757                 app_RAND_write_file(NULL, bio_err);
 758         OBJ_cleanup();
 759         CONF_free(extconf);
 760         BIO_free(out);
 761         BIO_free(STDout);
 762         X509_STORE_free(ctx);
 763         X509_REQ_free(req);
 764         X509_free(x);
 765         X509_free(xca);
 766         EVP_PKEY_free(Upkey);
 767         EVP_PKEY_free(CApkey);
 768         X509_REQ_free(rq);
 769         X509V3_EXT_cleanup();
 770         X509_PURPOSE_cleanup();
 771         EXIT(ret);
 772         }
 773
 774 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 775              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 776              int days, LHASH *conf, char *section)
 777         {
 778         int ret=0;
 779         BIO *io=NULL;
 780         MS_STATIC char buf2[1024];
 781         char *buf=NULL,*p;
 782         BIGNUM *serial=NULL;
 783         ASN1_INTEGER *bs=NULL,bs2;
 784         X509_STORE_CTX xsc;
 785         EVP_PKEY *upkey;
 786
 787         upkey = X509_get_pubkey(xca);
 788         EVP_PKEY_copy_parameters(upkey,pkey);
 789         EVP_PKEY_free(upkey);
 790
 791         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 792         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 793                 ((serialfile == NULL)
 794                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 795                         :(strlen(serialfile)))+1);
 796         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 797         if (serialfile == NULL)
 798                 {
 799                 strcpy(buf,CAfile);
 800                 for (p=buf; *p; p++)
 801                         if (*p == '.')
 802                                 {
 803                                 *p='\0';
 804                                 break;
 805                                 }
 806                 strcat(buf,POSTFIX);
 807                 }
 808         else
 809                 strcpy(buf,serialfile);
 810         serial=BN_new();
 811         bs=ASN1_INTEGER_new();
 812         if ((serial == NULL) || (bs == NULL))
 813                 {
 814                 ERR_print_errors(bio_err);
 815                 goto end;
 816                 }
 817
 818         io=BIO_new(BIO_s_file());
 819         if (io == NULL)
 820                 {
 821                 ERR_print_errors(bio_err);
 822                 goto end;
 823                 }
 824
 825         if (BIO_read_filename(io,buf) <= 0)
 826                 {
 827                 if (!create)
 828                         {
 829                         perror(buf);
 830                         goto end;
 831                         }
 832                 else
 833                         {
 834                         ASN1_INTEGER_set(bs,0);
 835                         BN_zero(serial);
 836                         }
 837                 }
 838         else
 839                 {
 840                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 841                         {
 842                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 843                         ERR_print_errors(bio_err);
 844                         goto end;
 845                         }
 846                 else
 847                         {
 848                         serial=BN_bin2bn(bs->data,bs->length,serial);
 849                         if (serial == NULL)
 850                                 {
 851                                 BIO_printf(bio_err,"error converting bin 2 bn");
 852                                 goto end;
 853                                 }
 854                         }
 855                 }
 856
 857         if (!BN_add_word(serial,1))
 858                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 859         bs2.data=(unsigned char *)buf2;
 860         bs2.length=BN_bn2bin(serial,bs2.data);
 861
 862         if (BIO_write_filename(io,buf) <= 0)
 863                 {
 864                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 865                 perror(buf);
 866                 goto end;
 867                 }
 868         i2a_ASN1_INTEGER(io,&bs2);
 869         BIO_puts(io,"\n");
 870         BIO_free(io);
 871         io=NULL;
 872
 873         if (!X509_STORE_add_cert(ctx,x)) goto end;
 874
 875         /* NOTE: this certificate can/should be self signed, unless it was
 876          * a certificate request in which case it is not. */
 877         X509_STORE_CTX_set_cert(&xsc,x);
 878         if (!reqfile && !X509_verify_cert(&xsc))
 879                 goto end;
 880
 881         if (!X509_check_private_key(xca,pkey))
 882                 {
 883                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 884                 goto end;
 885                 }
 886
 887         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
 888         if (!X509_set_serialNumber(x,bs)) goto end;
 889
 890         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
 891                 goto end;
 892
 893         /* hardwired expired */
 894         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
 895                 goto end;
 896
 897         if(conf) {
 898                 X509V3_CTX ctx2;
 899                 X509_set_version(x,2); /* version 3 certificate */
 900                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
 901                 X509V3_set_conf_lhash(&ctx2, conf);
 902                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
 903         }
 904
 905         if (!X509_sign(x,pkey,digest)) goto end;
 906         ret=1;
 907 end:
 908         X509_STORE_CTX_cleanup(&xsc);
 909         if (!ret)
 910                 ERR_print_errors(bio_err);
 911         if (buf != NULL) Free(buf);
 912         if (bs != NULL) ASN1_INTEGER_free(bs);
 913         if (io != NULL) BIO_free(io);
 914         if (serial != NULL) BN_free(serial);
 915         return(ret);
 916         }
 917
 918 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
 919         {
 920         char buf[256];
 921         int err;
 922         X509 *err_cert;
 923
 924         /* it is ok to use a self signed certificate
 925          * This case will catch both the initial ok == 0 and the
 926          * final ok == 1 calls to this function */
 927         err=X509_STORE_CTX_get_error(ctx);
 928         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
 929                 return(1);
 930
 931         /* BAD we should have gotten an error.  Normally if everything
 932          * worked X509_STORE_CTX_get_error(ctx) will still be set to
 933          * DEPTH_ZERO_SELF_.... */
 934         if (ok)
 935                 {
 936                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
 937                 return(0);
 938                 }
 939         else
 940                 {
 941                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
 942                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
 943                 BIO_printf(bio_err,"%s\n",buf);
 944                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
 945                         err,X509_STORE_CTX_get_error_depth(ctx),
 946                         X509_verify_cert_error_string(err));
 947                 return(1);
 948                 }
 949         }
 950
 951 static EVP_PKEY *load_key(char *file, int format)
 952         {
 953         BIO *key=NULL;
 954         EVP_PKEY *pkey=NULL;
 955
 956         if (file == NULL)
 957                 {
 958                 BIO_printf(bio_err,"no keyfile specified\n");
 959                 goto end;
 960                 }
 961         key=BIO_new(BIO_s_file());
 962         if (key == NULL)
 963                 {
 964                 ERR_print_errors(bio_err);
 965                 goto end;
 966                 }
 967         if (BIO_read_filename(key,file) <= 0)
 968                 {
 969                 perror(file);
 970                 goto end;
 971                 }
 972 #ifndef NO_RSA
 973         if      (format == FORMAT_ASN1)
 974                 {
 975                 RSA *rsa;
 976
 977                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
 978                 if (rsa != NULL)
 979                         {
 980                         if ((pkey=EVP_PKEY_new()) != NULL)
 981                                 EVP_PKEY_assign_RSA(pkey,rsa);
 982                         else
 983                                 RSA_free(rsa);
 984                         }
 985                 }
 986         else
 987 #endif
 988                 if (format == FORMAT_PEM)
 989                 {
 990                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
 991                 }
 992         else
 993                 {
 994                 BIO_printf(bio_err,"bad input format specified for key\n");
 995                 goto end;
 996                 }
 997 end:
 998         if (key != NULL) BIO_free(key);
 999         if (pkey == NULL)
1000                 BIO_printf(bio_err,"unable to load Private Key\n");
1001         return(pkey);
1002         }
1003
1004 static X509 *load_cert(char *file, int format)
1005         {
1006         ASN1_HEADER *ah=NULL;
1007         BUF_MEM *buf=NULL;
1008         X509 *x=NULL;
1009         BIO *cert;
1010
1011         if ((cert=BIO_new(BIO_s_file())) == NULL)
1012                 {
1013                 ERR_print_errors(bio_err);
1014                 goto end;
1015                 }
1016
1017         if (file == NULL)
1018                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1019         else
1020                 {
1021                 if (BIO_read_filename(cert,file) <= 0)
1022                         {
1023                         perror(file);
1024                         goto end;
1025                         }
1026                 }
1027         if      (format == FORMAT_ASN1)
1028                 x=d2i_X509_bio(cert,NULL);
1029         else if (format == FORMAT_NETSCAPE)
1030                 {
1031                 unsigned char *p,*op;
1032                 int size=0,i;
1033
1034                 /* We sort of have to do it this way because it is sort of nice
1035                  * to read the header first and check it, then
1036                  * try to read the certificate */
1037                 buf=BUF_MEM_new();
1038                 for (;;)
1039                         {
1040                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1041                                 goto end;
1042                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1043                         size+=i;
1044                         if (i == 0) break;
1045                         if (i < 0)
1046                                 {
1047                                 perror("reading certificate");
1048                                 goto end;
1049                                 }
1050                         }
1051                 p=(unsigned char *)buf->data;
1052                 op=p;
1053
1054                 /* First load the header */
1055                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1056                         goto end;
1057                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1058                         (strncmp(CERT_HDR,(char *)ah->header->data,
1059                         ah->header->length) != 0))
1060                         {
1061                         BIO_printf(bio_err,"Error reading header on certificate\n");
1062                         goto end;
1063                         }
1064                 /* header is ok, so now read the object */
1065                 p=op;
1066                 ah->meth=X509_asn1_meth();
1067                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1068                         goto end;
1069                 x=(X509 *)ah->data;
1070                 ah->data=NULL;
1071                 }
1072         else if (format == FORMAT_PEM)
1073                 x=PEM_read_bio_X509(cert,NULL,NULL,NULL);
1074         else    {
1075                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1076                 goto end;
1077                 }
1078 end:
1079         if (x == NULL)
1080                 {
1081                 BIO_printf(bio_err,"unable to load certificate\n");
1082                 ERR_print_errors(bio_err);
1083                 }
1084         if (ah != NULL) ASN1_HEADER_free(ah);
1085         if (cert != NULL) BIO_free(cert);
1086         if (buf != NULL) BUF_MEM_free(buf);
1087         return(x);
1088         }
1089
1090 /* self sign */
1091 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1092                                                 LHASH *conf, char *section)
1093         {
1094
1095         EVP_PKEY *pktmp;
1096
1097         pktmp = X509_get_pubkey(x);
1098         EVP_PKEY_copy_parameters(pktmp,pkey);
1099         EVP_PKEY_save_parameters(pktmp,1);
1100         EVP_PKEY_free(pktmp);
1101
1102         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1103         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1104
1105         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1106         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1107         /* 28 days to be certified */
1108
1109         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1110                 goto err;
1111
1112         if (!X509_set_pubkey(x,pkey)) goto err;
1113         if(conf) {
1114                 X509V3_CTX ctx;
1115                 X509_set_version(x,2); /* version 3 certificate */
1116                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1117                 X509V3_set_conf_lhash(&ctx, conf);
1118                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1119         }
1120         if (!X509_sign(x,pkey,digest)) goto err;
1121         return(1);
1122 err:
1123         ERR_print_errors(bio_err);
1124         return(0);
1125         }
1126
1127 static int efunc(X509_PURPOSE *pt, void *arg)
1128 {
1129         X509_PPRINT *ptmp;
1130         int id, i, idret;
1131         char *pname;
1132         ptmp = arg;
1133         id = X509_PURPOSE_get_id(pt);
1134         pname = X509_PURPOSE_get_name(pt);
1135         for(i = 0; i < 2; i++) {
1136                 idret = X509_check_purpose(ptmp->cert, id, i);
1137                 BIO_printf(ptmp->bio, "%s%s : ", pname, i ? " CA" : "");
1138                 if(idret == 1) BIO_printf(ptmp->bio, "Yes\n");
1139                 else if (idret == 0) BIO_printf(ptmp->bio, "No\n");
1140                 else BIO_printf(ptmp->bio, "Yes (WARNING code=%d)\n", idret);
1141         }
1142         return 1;
1143 }
1144
1145
1146