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 " -alias          - output certificate alias\n",
 106 " -noout          - no certificate output\n",
 107 " -trustout       - output a \"trusted\" certificate\n",
 108 " -clrtrust       - clear all trusted purposes\n",
 109 " -clrnotrust     - clear all untrusted purposes\n",
 110 " -addtrust arg   - mark certificate as trusted for a given purpose\n",
 111 " -addnotrust arg - mark certificate as not trusted for a given purpose\n",
 112 " -setalias arg   - set certificate alias\n",
 113 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 114 " -signkey arg    - self sign cert with arg\n",
 115 " -x509toreq      - output a certification request object\n",
 116 " -req            - input is a certificate request, sign and output.\n",
 117 " -CA arg         - set the CA certificate, must be PEM format.\n",
 118 " -CAkey arg      - set the CA key, must be PEM format\n",
 119 "                   missing, it is asssumed to be in the CA file.\n",
 120 " -CAcreateserial - create serial number file if it does not exist\n",
 121 " -CAserial       - serial file\n",
 122 " -text           - print the certificate in text form\n",
 123 " -C              - print out C code forms\n",
 124 " -md2/-md5/-sha1/-mdc2 - digest to do an RSA sign with\n",
 125 " -extfile        - configuration file with X509V3 extensions to add\n",
 126 " -extensions     - section from config file with X509V3 extensions to add\n",
 127 NULL
 128 };
 129
 130 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 131 static EVP_PKEY *load_key(char *file, int format);
 132 static X509 *load_cert(char *file, int format);
 133 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
 134                                                 LHASH *conf, char *section);
 135 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 136                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 137                          int create,int days, LHASH *conf, char *section);
 138 static int efunc(X509_PURPOSE *pt, void *arg);
 139 static int reqfile=0;
 140
 141 typedef struct {
 142 BIO *bio;
 143 X509 *cert;
 144 } X509_PPRINT;
 145
 146 int MAIN(int argc, char **argv)
 147         {
 148         int ret=1;
 149         X509_REQ *req=NULL;
 150         X509 *x=NULL,*xca=NULL;
 151         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 152         int i,num,badops=0;
 153         BIO *out=NULL;
 154         BIO *STDout=NULL;
 155         STACK *trust = NULL, *notrust = NULL;
 156         int informat,outformat,keyformat,CAformat,CAkeyformat;
 157         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 158         char *CAkeyfile=NULL,*CAserial=NULL;
 159         char *alias=NULL, *trstr=NULL;
 160         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 161         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 162         int trustout=0,clrtrust=0,clrnotrust=0,aliasout=0;
 163         int C=0;
 164         int x509req=0,days=DEF_DAYS,modulus=0;
 165         int pprint = 0;
 166         char **pp;
 167         X509_STORE *ctx=NULL;
 168         X509_REQ *rq=NULL;
 169         int fingerprint=0;
 170         char buf[256];
 171         const EVP_MD *md_alg,*digest=EVP_md5();
 172         LHASH *extconf = NULL;
 173         char *extsect = NULL, *extfile = NULL;
 174         int need_rand = 0;
 175
 176         reqfile=0;
 177
 178         apps_startup();
 179
 180         if (bio_err == NULL)
 181                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 182         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 183
 184         informat=FORMAT_PEM;
 185         outformat=FORMAT_PEM;
 186         keyformat=FORMAT_PEM;
 187         CAformat=FORMAT_PEM;
 188         CAkeyformat=FORMAT_PEM;
 189
 190         ctx=X509_STORE_new();
 191         if (ctx == NULL) goto end;
 192         X509_STORE_set_verify_cb_func(ctx,callb);
 193
 194         argc--;
 195         argv++;
 196         num=0;
 197         while (argc >= 1)
 198                 {
 199                 if      (strcmp(*argv,"-inform") == 0)
 200                         {
 201                         if (--argc < 1) goto bad;
 202                         informat=str2fmt(*(++argv));
 203                         }
 204                 else if (strcmp(*argv,"-outform") == 0)
 205                         {
 206                         if (--argc < 1) goto bad;
 207                         outformat=str2fmt(*(++argv));
 208                         }
 209                 else if (strcmp(*argv,"-keyform") == 0)
 210                         {
 211                         if (--argc < 1) goto bad;
 212                         keyformat=str2fmt(*(++argv));
 213                         }
 214                 else if (strcmp(*argv,"-req") == 0)
 215                         {
 216                         reqfile=1;
 217                         need_rand = 1;
 218                         }
 219                 else if (strcmp(*argv,"-CAform") == 0)
 220                         {
 221                         if (--argc < 1) goto bad;
 222                         CAformat=str2fmt(*(++argv));
 223                         }
 224                 else if (strcmp(*argv,"-CAkeyform") == 0)
 225                         {
 226                         if (--argc < 1) goto bad;
 227                         CAformat=str2fmt(*(++argv));
 228                         }
 229                 else if (strcmp(*argv,"-days") == 0)
 230                         {
 231                         if (--argc < 1) goto bad;
 232                         days=atoi(*(++argv));
 233                         if (days == 0)
 234                                 {
 235                                 BIO_printf(STDout,"bad number of days\n");
 236                                 goto bad;
 237                                 }
 238                         }
 239                 else if (strcmp(*argv,"-extfile") == 0)
 240                         {
 241                         if (--argc < 1) goto bad;
 242                         extfile= *(++argv);
 243                         }
 244                 else if (strcmp(*argv,"-extensions") == 0)
 245                         {
 246                         if (--argc < 1) goto bad;
 247                         extsect= *(++argv);
 248                         }
 249                 else if (strcmp(*argv,"-in") == 0)
 250                         {
 251                         if (--argc < 1) goto bad;
 252                         infile= *(++argv);
 253                         }
 254                 else if (strcmp(*argv,"-out") == 0)
 255                         {
 256                         if (--argc < 1) goto bad;
 257                         outfile= *(++argv);
 258                         }
 259                 else if (strcmp(*argv,"-signkey") == 0)
 260                         {
 261                         if (--argc < 1) goto bad;
 262                         keyfile= *(++argv);
 263                         sign_flag= ++num;
 264                         need_rand = 1;
 265                         }
 266                 else if (strcmp(*argv,"-CA") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         CAfile= *(++argv);
 270                         CA_flag= ++num;
 271                         need_rand = 1;
 272                         }
 273                 else if (strcmp(*argv,"-CAkey") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         CAkeyfile= *(++argv);
 277                         }
 278                 else if (strcmp(*argv,"-CAserial") == 0)
 279                         {
 280                         if (--argc < 1) goto bad;
 281                         CAserial= *(++argv);
 282                         }
 283                 else if (strcmp(*argv,"-addtrust") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         trstr= *(++argv);
 287                         if(!X509_trust_set_bit_asc(NULL, trstr, 0)) {
 288                                 BIO_printf(bio_err,
 289                                         "Unknown trust value %s\n", trstr);
 290                                 goto bad;
 291                         }
 292                         if(!trust) trust = sk_new_null();
 293                         sk_push(trust, trstr);
 294                         trustout = 1;
 295                         }
 296                 else if (strcmp(*argv,"-addnotrust") == 0)
 297                         {
 298                         if (--argc < 1) goto bad;
 299                         trstr= *(++argv);
 300                         if(!X509_notrust_set_bit_asc(NULL, trstr, 0)) {
 301                                 BIO_printf(bio_err,
 302                                         "Unknown trust value %s\n", trstr);
 303                                 goto bad;
 304                         }
 305                         if(!notrust) notrust = sk_new_null();
 306                         sk_push(notrust, trstr);
 307                         trustout = 1;
 308                         }
 309                 else if (strcmp(*argv,"-setalias") == 0)
 310                         {
 311                         if (--argc < 1) goto bad;
 312                         alias= *(++argv);
 313                         trustout = 1;
 314                         }
 315                 else if (strcmp(*argv,"-setalias") == 0)
 316                         {
 317                         if (--argc < 1) goto bad;
 318                         alias= *(++argv);
 319                         trustout = 1;
 320                         }
 321                 else if (strcmp(*argv,"-C") == 0)
 322                         C= ++num;
 323                 else if (strcmp(*argv,"-serial") == 0)
 324                         serial= ++num;
 325                 else if (strcmp(*argv,"-modulus") == 0)
 326                         modulus= ++num;
 327                 else if (strcmp(*argv,"-x509toreq") == 0)
 328                         x509req= ++num;
 329                 else if (strcmp(*argv,"-text") == 0)
 330                         text= ++num;
 331                 else if (strcmp(*argv,"-hash") == 0)
 332                         hash= ++num;
 333                 else if (strcmp(*argv,"-subject") == 0)
 334                         subject= ++num;
 335                 else if (strcmp(*argv,"-issuer") == 0)
 336                         issuer= ++num;
 337                 else if (strcmp(*argv,"-fingerprint") == 0)
 338                         fingerprint= ++num;
 339                 else if (strcmp(*argv,"-dates") == 0)
 340                         {
 341                         startdate= ++num;
 342                         enddate= ++num;
 343                         }
 344                 else if (strcmp(*argv,"-purpose") == 0)
 345                         pprint= ++num;
 346                 else if (strcmp(*argv,"-startdate") == 0)
 347                         startdate= ++num;
 348                 else if (strcmp(*argv,"-enddate") == 0)
 349                         enddate= ++num;
 350                 else if (strcmp(*argv,"-noout") == 0)
 351                         noout= ++num;
 352                 else if (strcmp(*argv,"-trustout") == 0)
 353                         trustout= 1;
 354                 else if (strcmp(*argv,"-clrtrust") == 0)
 355                         clrtrust= ++num;
 356                 else if (strcmp(*argv,"-clrnotrust") == 0)
 357                         clrnotrust= ++num;
 358                 else if (strcmp(*argv,"-alias") == 0)
 359                         aliasout= ++num;
 360                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 361                         CA_createserial= ++num;
 362                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 363                         {
 364                         /* ok */
 365                         digest=md_alg;
 366                         }
 367                 else
 368                         {
 369                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 370                         badops=1;
 371                         break;
 372                         }
 373                 argc--;
 374                 argv++;
 375                 }
 376
 377         if (badops)
 378                 {
 379 bad:
 380                 for (pp=x509_usage; (*pp != NULL); pp++)
 381                         BIO_printf(bio_err,*pp);
 382                 goto end;
 383                 }
 384
 385         if (need_rand)
 386                 app_RAND_load_file(NULL, bio_err, 0);
 387
 388         ERR_load_crypto_strings();
 389         X509V3_add_standard_extensions();
 390         X509_PURPOSE_add_standard();
 391
 392         if (!X509_STORE_set_default_paths(ctx))
 393                 {
 394                 ERR_print_errors(bio_err);
 395                 goto end;
 396                 }
 397
 398         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 399                 { CAkeyfile=CAfile; }
 400         else if ((CA_flag) && (CAkeyfile == NULL))
 401                 {
 402                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 403                 goto end;
 404                 }
 405
 406         if (extfile) {
 407                 long errorline;
 408                 X509V3_CTX ctx2;
 409                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 410                         if (errorline <= 0)
 411                                 BIO_printf(bio_err,
 412                                         "error loading the config file '%s'\n",
 413                                                                 extfile);
 414                         else
 415                                 BIO_printf(bio_err,
 416                                        "error on line %ld of config file '%s'\n"
 417                                                         ,errorline,extfile);
 418                         goto end;
 419                 }
 420                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 421                                          "extensions"))) extsect = "default";
 422                 X509V3_set_ctx_test(&ctx2);
 423                 X509V3_set_conf_lhash(&ctx2, extconf);
 424                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 425                         BIO_printf(bio_err,
 426                                 "Error Loading extension section %s\n",
 427                                                                  extsect);
 428                         ERR_print_errors(bio_err);
 429                         goto end;
 430                 }
 431         }
 432
 433
 434         if (reqfile)
 435                 {
 436                 EVP_PKEY *pkey;
 437                 X509_CINF *ci;
 438                 BIO *in;
 439
 440                 if (!sign_flag && !CA_flag)
 441                         {
 442                         BIO_printf(bio_err,"We need a private key to sign with\n");
 443                         goto end;
 444                         }
 445                 in=BIO_new(BIO_s_file());
 446                 if (in == NULL)
 447                         {
 448                         ERR_print_errors(bio_err);
 449                         goto end;
 450                         }
 451
 452                 if (infile == NULL)
 453                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 454                 else
 455                         {
 456                         if (BIO_read_filename(in,infile) <= 0)
 457                                 {
 458                                 perror(infile);
 459                                 goto end;
 460                                 }
 461                         }
 462                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 463                 BIO_free(in);
 464
 465                 if (req == NULL) { perror(infile); goto end; }
 466
 467                 if (    (req->req_info == NULL) ||
 468                         (req->req_info->pubkey == NULL) ||
 469                         (req->req_info->pubkey->public_key == NULL) ||
 470                         (req->req_info->pubkey->public_key->data == NULL))
 471                         {
 472                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 473                         BIO_printf(bio_err,"It does not contain a public key\n");
 474                         goto end;
 475                         }
 476                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 477                         {
 478                         BIO_printf(bio_err,"error unpacking public key\n");
 479                         goto end;
 480                         }
 481                 i=X509_REQ_verify(req,pkey);
 482                 EVP_PKEY_free(pkey);
 483                 if (i < 0)
 484                         {
 485                         BIO_printf(bio_err,"Signature verification error\n");
 486                         ERR_print_errors(bio_err);
 487                         goto end;
 488                         }
 489                 if (i == 0)
 490                         {
 491                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 492                         goto end;
 493                         }
 494                 else
 495                         BIO_printf(bio_err,"Signature ok\n");
 496
 497                 X509_NAME_oneline(req->req_info->subject,buf,256);
 498                 BIO_printf(bio_err,"subject=%s\n",buf);
 499
 500                 if ((x=X509_new()) == NULL) goto end;
 501                 ci=x->cert_info;
 502
 503                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 504                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 505                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 506
 507                 X509_gmtime_adj(X509_get_notBefore(x),0);
 508                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 509
 510 #if 0
 511                 X509_PUBKEY_free(ci->key);
 512                 ci->key=req->req_info->pubkey;
 513                 req->req_info->pubkey=NULL;
 514 #else
 515                 pkey = X509_REQ_get_pubkey(req);
 516                 X509_set_pubkey(x,pkey);
 517                 EVP_PKEY_free(pkey);
 518 #endif
 519                 }
 520         else
 521                 x=load_cert(infile,informat);
 522
 523         if (x == NULL) goto end;
 524         if (CA_flag)
 525                 {
 526                 xca=load_cert(CAfile,CAformat);
 527                 if (xca == NULL) goto end;
 528                 }
 529
 530         if (!noout || text)
 531                 {
 532                 OBJ_create("2.99999.3",
 533                         "SET.ex3","SET x509v3 extension 3");
 534
 535                 out=BIO_new(BIO_s_file());
 536                 if (out == NULL)
 537                         {
 538                         ERR_print_errors(bio_err);
 539                         goto end;
 540                         }
 541                 if (outfile == NULL)
 542                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 543                 else
 544                         {
 545                         if (BIO_write_filename(out,outfile) <= 0)
 546                                 {
 547                                 perror(outfile);
 548                                 goto end;
 549                                 }
 550                         }
 551                 }
 552
 553         if(alias) X509_alias_set(x, (unsigned char *)alias, -1);
 554
 555         if(clrtrust) X509_trust_set_bit(x, -1, 0);
 556         if(clrnotrust) X509_notrust_set_bit(x, -1, 0);
 557
 558         if(trust) {
 559                 for(i = 0; i < sk_num(trust); i++) {
 560                         trstr = sk_value(trust, i);
 561                         X509_trust_set_bit_asc(x, trstr, 1);
 562                 }
 563                 sk_free(trust);
 564         }
 565
 566         if(notrust) {
 567                 for(i = 0; i < sk_num(notrust); i++) {
 568                         trstr = sk_value(notrust, i);
 569                         X509_notrust_set_bit_asc(x, trstr, 1);
 570                 }
 571                 sk_free(notrust);
 572         }
 573
 574         if (num)
 575                 {
 576                 for (i=1; i<=num; i++)
 577                         {
 578                         if (issuer == i)
 579                                 {
 580                                 X509_NAME_oneline(X509_get_issuer_name(x),
 581                                         buf,256);
 582                                 BIO_printf(STDout,"issuer= %s\n",buf);
 583                                 }
 584                         else if (subject == i)
 585                                 {
 586                                 X509_NAME_oneline(X509_get_subject_name(x),
 587                                         buf,256);
 588                                 BIO_printf(STDout,"subject=%s\n",buf);
 589                                 }
 590                         else if (serial == i)
 591                                 {
 592                                 BIO_printf(STDout,"serial=");
 593                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 594                                 BIO_printf(STDout,"\n");
 595                                 }
 596                         else if (aliasout == i)
 597                                 {
 598                                 unsigned char *alstr;
 599                                 alstr = X509_alias_get(x, NULL);
 600                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
 601                                 else BIO_puts(STDout,"<No Alias>\n");
 602                                 }
 603                         else if (hash == i)
 604                                 {
 605                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 606                                 }
 607                         else if (pprint == i)
 608                                 {
 609                                 X509_PPRINT ptmp;
 610                                 ptmp.bio = STDout;
 611                                 ptmp.cert = x;
 612                                 BIO_printf(STDout, "Certificate purposes:\n");
 613                                 X509_PURPOSE_enum(efunc, &ptmp);
 614                                 }
 615                         else
 616                                 if (modulus == i)
 617                                 {
 618                                 EVP_PKEY *pkey;
 619
 620                                 pkey=X509_get_pubkey(x);
 621                                 if (pkey == NULL)
 622                                         {
 623                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 624                                         ERR_print_errors(bio_err);
 625                                         goto end;
 626                                         }
 627                                 BIO_printf(STDout,"Modulus=");
 628 #ifndef NO_RSA
 629                                 if (pkey->type == EVP_PKEY_RSA)
 630                                         BN_print(STDout,pkey->pkey.rsa->n);
 631                                 else
 632 #endif
 633 #ifndef NO_DSA
 634                                 if (pkey->type == EVP_PKEY_DSA)
 635                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 636                                 else
 637 #endif
 638                                         BIO_printf(STDout,"Wrong Algorithm type");
 639                                 BIO_printf(STDout,"\n");
 640                                 EVP_PKEY_free(pkey);
 641                                 }
 642                         else
 643                                 if (C == i)
 644                                 {
 645                                 unsigned char *d;
 646                                 char *m;
 647                                 int y,z;
 648
 649                                 X509_NAME_oneline(X509_get_subject_name(x),
 650                                         buf,256);
 651                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 652                                 m=X509_NAME_oneline(
 653                                         X509_get_issuer_name(x),buf,256);
 654                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 655
 656                                 z=i2d_X509(x,NULL);
 657                                 m=Malloc(z);
 658
 659                                 d=(unsigned char *)m;
 660                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 661                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 662                                 d=(unsigned char *)m;
 663                                 for (y=0; y<z; y++)
 664                                         {
 665                                         BIO_printf(STDout,"0x%02X,",d[y]);
 666                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 667                                         }
 668                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 669                                 BIO_printf(STDout,"};\n");
 670
 671                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 672                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 673                                 d=(unsigned char *)m;
 674                                 for (y=0; y<z; y++)
 675                                         {
 676                                         BIO_printf(STDout,"0x%02X,",d[y]);
 677                                         if ((y & 0x0f) == 0x0f)
 678                                                 BIO_printf(STDout,"\n");
 679                                         }
 680                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 681                                 BIO_printf(STDout,"};\n");
 682
 683                                 z=i2d_X509(x,&d);
 684                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 685                                 d=(unsigned char *)m;
 686                                 for (y=0; y<z; y++)
 687                                         {
 688                                         BIO_printf(STDout,"0x%02X,",d[y]);
 689                                         if ((y & 0x0f) == 0x0f)
 690                                                 BIO_printf(STDout,"\n");
 691                                         }
 692                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 693                                 BIO_printf(STDout,"};\n");
 694
 695                                 Free(m);
 696                                 }
 697                         else if (text == i)
 698                                 {
 699                                 X509_print(out,x);
 700                                 }
 701                         else if (startdate == i)
 702                                 {
 703                                 BIO_puts(STDout,"notBefore=");
 704                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 705                                 BIO_puts(STDout,"\n");
 706                                 }
 707                         else if (enddate == i)
 708                                 {
 709                                 BIO_puts(STDout,"notAfter=");
 710                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 711                                 BIO_puts(STDout,"\n");
 712                                 }
 713                         else if (fingerprint == i)
 714                                 {
 715                                 int j;
 716                                 unsigned int n;
 717                                 unsigned char md[EVP_MAX_MD_SIZE];
 718
 719                                 if (!X509_digest(x,EVP_md5(),md,&n))
 720                                         {
 721                                         BIO_printf(bio_err,"out of memory\n");
 722                                         goto end;
 723                                         }
 724                                 BIO_printf(STDout,"MD5 Fingerprint=");
 725                                 for (j=0; j<(int)n; j++)
 726                                         {
 727                                         BIO_printf(STDout,"%02X%c",md[j],
 728                                                 (j+1 == (int)n)
 729                                                 ?'\n':':');
 730                                         }
 731                                 }
 732
 733                         /* should be in the library */
 734                         else if ((sign_flag == i) && (x509req == 0))
 735                                 {
 736                                 BIO_printf(bio_err,"Getting Private key\n");
 737                                 if (Upkey == NULL)
 738                                         {
 739                                         Upkey=load_key(keyfile,keyformat);
 740                                         if (Upkey == NULL) goto end;
 741                                         }
 742 #ifndef NO_DSA
 743                                 if (Upkey->type == EVP_PKEY_DSA)
 744                                         digest=EVP_dss1();
 745 #endif
 746
 747                                 assert(need_rand);
 748                                 if (!sign(x,Upkey,days,digest,
 749                                                  extconf, extsect)) goto end;
 750                                 }
 751                         else if (CA_flag == i)
 752                                 {
 753                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 754                                 if (CAkeyfile != NULL)
 755                                         {
 756                                         CApkey=load_key(CAkeyfile,CAkeyformat);
 757                                         if (CApkey == NULL) goto end;
 758                                         }
 759 #ifndef NO_DSA
 760                                 if (CApkey->type == EVP_PKEY_DSA)
 761                                         digest=EVP_dss1();
 762 #endif
 763
 764                                 assert(need_rand);
 765                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 766                                         CApkey, CAserial,CA_createserial,days,
 767                                         extconf, extsect))
 768                                         goto end;
 769                                 }
 770                         else if (x509req == i)
 771                                 {
 772                                 EVP_PKEY *pk;
 773
 774                                 BIO_printf(bio_err,"Getting request Private Key\n");
 775                                 if (keyfile == NULL)
 776                                         {
 777                                         BIO_printf(bio_err,"no request key file specified\n");
 778                                         goto end;
 779                                         }
 780                                 else
 781                                         {
 782                                         pk=load_key(keyfile,FORMAT_PEM);
 783                                         if (pk == NULL) goto end;
 784                                         }
 785
 786                                 BIO_printf(bio_err,"Generating certificate request\n");
 787
 788                                 rq=X509_to_X509_REQ(x,pk,EVP_md5());
 789                                 EVP_PKEY_free(pk);
 790                                 if (rq == NULL)
 791                                         {
 792                                         ERR_print_errors(bio_err);
 793                                         goto end;
 794                                         }
 795                                 if (!noout)
 796                                         {
 797                                         X509_REQ_print(out,rq);
 798                                         PEM_write_bio_X509_REQ(out,rq);
 799                                         }
 800                                 noout=1;
 801                                 }
 802                         }
 803                 }
 804
 805         if (noout)
 806                 {
 807                 ret=0;
 808                 goto end;
 809                 }
 810
 811         if      (outformat == FORMAT_ASN1)
 812                 i=i2d_X509_bio(out,x);
 813         else if (outformat == FORMAT_PEM) {
 814                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
 815                 else i=PEM_write_bio_X509(out,x);
 816         } else if (outformat == FORMAT_NETSCAPE)
 817                 {
 818                 ASN1_HEADER ah;
 819                 ASN1_OCTET_STRING os;
 820
 821                 os.data=(unsigned char *)CERT_HDR;
 822                 os.length=strlen(CERT_HDR);
 823                 ah.header= &os;
 824                 ah.data=(char *)x;
 825                 ah.meth=X509_asn1_meth();
 826
 827                 /* no macro for this one yet */
 828                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 829                 }
 830         else    {
 831                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 832                 goto end;
 833                 }
 834         if (!i) {
 835                 BIO_printf(bio_err,"unable to write certificate\n");
 836                 ERR_print_errors(bio_err);
 837                 goto end;
 838                 }
 839         ret=0;
 840 end:
 841         if (need_rand)
 842                 app_RAND_write_file(NULL, bio_err);
 843         OBJ_cleanup();
 844         CONF_free(extconf);
 845         BIO_free(out);
 846         BIO_free(STDout);
 847         X509_STORE_free(ctx);
 848         X509_REQ_free(req);
 849         X509_free(x);
 850         X509_free(xca);
 851         EVP_PKEY_free(Upkey);
 852         EVP_PKEY_free(CApkey);
 853         X509_REQ_free(rq);
 854         X509V3_EXT_cleanup();
 855         X509_PURPOSE_cleanup();
 856         EXIT(ret);
 857         }
 858
 859 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 860              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 861              int days, LHASH *conf, char *section)
 862         {
 863         int ret=0;
 864         BIO *io=NULL;
 865         MS_STATIC char buf2[1024];
 866         char *buf=NULL,*p;
 867         BIGNUM *serial=NULL;
 868         ASN1_INTEGER *bs=NULL,bs2;
 869         X509_STORE_CTX xsc;
 870         EVP_PKEY *upkey;
 871
 872         upkey = X509_get_pubkey(xca);
 873         EVP_PKEY_copy_parameters(upkey,pkey);
 874         EVP_PKEY_free(upkey);
 875
 876         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 877         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 878                 ((serialfile == NULL)
 879                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 880                         :(strlen(serialfile)))+1);
 881         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 882         if (serialfile == NULL)
 883                 {
 884                 strcpy(buf,CAfile);
 885                 for (p=buf; *p; p++)
 886                         if (*p == '.')
 887                                 {
 888                                 *p='\0';
 889                                 break;
 890                                 }
 891                 strcat(buf,POSTFIX);
 892                 }
 893         else
 894                 strcpy(buf,serialfile);
 895         serial=BN_new();
 896         bs=ASN1_INTEGER_new();
 897         if ((serial == NULL) || (bs == NULL))
 898                 {
 899                 ERR_print_errors(bio_err);
 900                 goto end;
 901                 }
 902
 903         io=BIO_new(BIO_s_file());
 904         if (io == NULL)
 905                 {
 906                 ERR_print_errors(bio_err);
 907                 goto end;
 908                 }
 909
 910         if (BIO_read_filename(io,buf) <= 0)
 911                 {
 912                 if (!create)
 913                         {
 914                         perror(buf);
 915                         goto end;
 916                         }
 917                 else
 918                         {
 919                         ASN1_INTEGER_set(bs,0);
 920                         BN_zero(serial);
 921                         }
 922                 }
 923         else
 924                 {
 925                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 926                         {
 927                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 928                         ERR_print_errors(bio_err);
 929                         goto end;
 930                         }
 931                 else
 932                         {
 933                         serial=BN_bin2bn(bs->data,bs->length,serial);
 934                         if (serial == NULL)
 935                                 {
 936                                 BIO_printf(bio_err,"error converting bin 2 bn");
 937                                 goto end;
 938                                 }
 939                         }
 940                 }
 941
 942         if (!BN_add_word(serial,1))
 943                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 944         bs2.data=(unsigned char *)buf2;
 945         bs2.length=BN_bn2bin(serial,bs2.data);
 946
 947         if (BIO_write_filename(io,buf) <= 0)
 948                 {
 949                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 950                 perror(buf);
 951                 goto end;
 952                 }
 953         i2a_ASN1_INTEGER(io,&bs2);
 954         BIO_puts(io,"\n");
 955         BIO_free(io);
 956         io=NULL;
 957
 958         if (!X509_STORE_add_cert(ctx,x)) goto end;
 959
 960         /* NOTE: this certificate can/should be self signed, unless it was
 961          * a certificate request in which case it is not. */
 962         X509_STORE_CTX_set_cert(&xsc,x);
 963         if (!reqfile && !X509_verify_cert(&xsc))
 964                 goto end;
 965
 966         if (!X509_check_private_key(xca,pkey))
 967                 {
 968                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 969                 goto end;
 970                 }
 971
 972         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
 973         if (!X509_set_serialNumber(x,bs)) goto end;
 974
 975         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
 976                 goto end;
 977
 978         /* hardwired expired */
 979         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
 980                 goto end;
 981
 982         if(conf) {
 983                 X509V3_CTX ctx2;
 984                 X509_set_version(x,2); /* version 3 certificate */
 985                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
 986                 X509V3_set_conf_lhash(&ctx2, conf);
 987                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
 988         }
 989
 990         if (!X509_sign(x,pkey,digest)) goto end;
 991         ret=1;
 992 end:
 993         X509_STORE_CTX_cleanup(&xsc);
 994         if (!ret)
 995                 ERR_print_errors(bio_err);
 996         if (buf != NULL) Free(buf);
 997         if (bs != NULL) ASN1_INTEGER_free(bs);
 998         if (io != NULL) BIO_free(io);
 999         if (serial != NULL) BN_free(serial);
1000         return(ret);
1001         }
1002
1003 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1004         {
1005         char buf[256];
1006         int err;
1007         X509 *err_cert;
1008
1009         /* it is ok to use a self signed certificate
1010          * This case will catch both the initial ok == 0 and the
1011          * final ok == 1 calls to this function */
1012         err=X509_STORE_CTX_get_error(ctx);
1013         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1014                 return(1);
1015
1016         /* BAD we should have gotten an error.  Normally if everything
1017          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1018          * DEPTH_ZERO_SELF_.... */
1019         if (ok)
1020                 {
1021                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1022                 return(0);
1023                 }
1024         else
1025                 {
1026                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1027                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1028                 BIO_printf(bio_err,"%s\n",buf);
1029                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1030                         err,X509_STORE_CTX_get_error_depth(ctx),
1031                         X509_verify_cert_error_string(err));
1032                 return(1);
1033                 }
1034         }
1035
1036 static EVP_PKEY *load_key(char *file, int format)
1037         {
1038         BIO *key=NULL;
1039         EVP_PKEY *pkey=NULL;
1040
1041         if (file == NULL)
1042                 {
1043                 BIO_printf(bio_err,"no keyfile specified\n");
1044                 goto end;
1045                 }
1046         key=BIO_new(BIO_s_file());
1047         if (key == NULL)
1048                 {
1049                 ERR_print_errors(bio_err);
1050                 goto end;
1051                 }
1052         if (BIO_read_filename(key,file) <= 0)
1053                 {
1054                 perror(file);
1055                 goto end;
1056                 }
1057 #ifndef NO_RSA
1058         if      (format == FORMAT_ASN1)
1059                 {
1060                 RSA *rsa;
1061
1062                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1063                 if (rsa != NULL)
1064                         {
1065                         if ((pkey=EVP_PKEY_new()) != NULL)
1066                                 EVP_PKEY_assign_RSA(pkey,rsa);
1067                         else
1068                                 RSA_free(rsa);
1069                         }
1070                 }
1071         else
1072 #endif
1073                 if (format == FORMAT_PEM)
1074                 {
1075                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
1076                 }
1077         else
1078                 {
1079                 BIO_printf(bio_err,"bad input format specified for key\n");
1080                 goto end;
1081                 }
1082 end:
1083         if (key != NULL) BIO_free(key);
1084         if (pkey == NULL)
1085                 BIO_printf(bio_err,"unable to load Private Key\n");
1086         return(pkey);
1087         }
1088
1089 static X509 *load_cert(char *file, int format)
1090         {
1091         ASN1_HEADER *ah=NULL;
1092         BUF_MEM *buf=NULL;
1093         X509 *x=NULL;
1094         BIO *cert;
1095
1096         if ((cert=BIO_new(BIO_s_file())) == NULL)
1097                 {
1098                 ERR_print_errors(bio_err);
1099                 goto end;
1100                 }
1101
1102         if (file == NULL)
1103                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1104         else
1105                 {
1106                 if (BIO_read_filename(cert,file) <= 0)
1107                         {
1108                         perror(file);
1109                         goto end;
1110                         }
1111                 }
1112         if      (format == FORMAT_ASN1)
1113                 x=d2i_X509_bio(cert,NULL);
1114         else if (format == FORMAT_NETSCAPE)
1115                 {
1116                 unsigned char *p,*op;
1117                 int size=0,i;
1118
1119                 /* We sort of have to do it this way because it is sort of nice
1120                  * to read the header first and check it, then
1121                  * try to read the certificate */
1122                 buf=BUF_MEM_new();
1123                 for (;;)
1124                         {
1125                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1126                                 goto end;
1127                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1128                         size+=i;
1129                         if (i == 0) break;
1130                         if (i < 0)
1131                                 {
1132                                 perror("reading certificate");
1133                                 goto end;
1134                                 }
1135                         }
1136                 p=(unsigned char *)buf->data;
1137                 op=p;
1138
1139                 /* First load the header */
1140                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1141                         goto end;
1142                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1143                         (strncmp(CERT_HDR,(char *)ah->header->data,
1144                         ah->header->length) != 0))
1145                         {
1146                         BIO_printf(bio_err,"Error reading header on certificate\n");
1147                         goto end;
1148                         }
1149                 /* header is ok, so now read the object */
1150                 p=op;
1151                 ah->meth=X509_asn1_meth();
1152                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1153                         goto end;
1154                 x=(X509 *)ah->data;
1155                 ah->data=NULL;
1156                 }
1157         else if (format == FORMAT_PEM)
1158                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1159         else    {
1160                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1161                 goto end;
1162                 }
1163 end:
1164         if (x == NULL)
1165                 {
1166                 BIO_printf(bio_err,"unable to load certificate\n");
1167                 ERR_print_errors(bio_err);
1168                 }
1169         if (ah != NULL) ASN1_HEADER_free(ah);
1170         if (cert != NULL) BIO_free(cert);
1171         if (buf != NULL) BUF_MEM_free(buf);
1172         return(x);
1173         }
1174
1175 /* self sign */
1176 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1177                                                 LHASH *conf, char *section)
1178         {
1179
1180         EVP_PKEY *pktmp;
1181
1182         pktmp = X509_get_pubkey(x);
1183         EVP_PKEY_copy_parameters(pktmp,pkey);
1184         EVP_PKEY_save_parameters(pktmp,1);
1185         EVP_PKEY_free(pktmp);
1186
1187         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1188         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1189
1190         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1191         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1192         /* 28 days to be certified */
1193
1194         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1195                 goto err;
1196
1197         if (!X509_set_pubkey(x,pkey)) goto err;
1198         if(conf) {
1199                 X509V3_CTX ctx;
1200                 X509_set_version(x,2); /* version 3 certificate */
1201                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1202                 X509V3_set_conf_lhash(&ctx, conf);
1203                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1204         }
1205         if (!X509_sign(x,pkey,digest)) goto err;
1206         return(1);
1207 err:
1208         ERR_print_errors(bio_err);
1209         return(0);
1210         }
1211
1212 static int efunc(X509_PURPOSE *pt, void *arg)
1213 {
1214         X509_PPRINT *ptmp;
1215         int id, i, idret;
1216         char *pname;
1217         ptmp = arg;
1218         id = X509_PURPOSE_get_id(pt);
1219         pname = X509_PURPOSE_get_name(pt);
1220         for(i = 0; i < 2; i++) {
1221                 idret = X509_check_purpose(ptmp->cert, id, i);
1222                 BIO_printf(ptmp->bio, "%s%s : ", pname, i ? " CA" : "");
1223                 if(idret == 1) BIO_printf(ptmp->bio, "Yes\n");
1224                 else if (idret == 0) BIO_printf(ptmp->bio, "No\n");
1225                 else BIO_printf(ptmp->bio, "Yes (WARNING code=%d)\n", idret);
1226         }
1227         return 1;
1228 }
1229
1230
1231