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 " -pubkey         - output the public key\n",
 105 " -fingerprint    - print the certificate fingerprint\n",
 106 " -alias          - output certificate alias\n",
 107 " -noout          - no certificate output\n",
 108 " -trustout       - output a \"trusted\" certificate\n",
 109 " -clrtrust       - clear all trusted purposes\n",
 110 " -clrreject      - clear all rejected purposes\n",
 111 " -addtrust arg   - trust certificate for a given purpose\n",
 112 " -addreject arg  - reject certificate for a given purpose\n",
 113 " -setalias arg   - set certificate alias\n",
 114 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
 115 " -signkey arg    - self sign cert with arg\n",
 116 " -x509toreq      - output a certification request object\n",
 117 " -req            - input is a certificate request, sign and output.\n",
 118 " -CA arg         - set the CA certificate, must be PEM format.\n",
 119 " -CAkey arg      - set the CA key, must be PEM format\n",
 120 "                   missing, it is asssumed to be in the CA file.\n",
 121 " -CAcreateserial - create serial number file if it does not exist\n",
 122 " -CAserial       - serial file\n",
 123 " -text           - print the certificate in text form\n",
 124 " -C              - print out C code forms\n",
 125 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 126 " -extfile        - configuration file with X509V3 extensions to add\n",
 127 " -extensions     - section from config file with X509V3 extensions to add\n",
 128 NULL
 129 };
 130
 131 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 132 static EVP_PKEY *load_key(char *file, int format);
 133 static X509 *load_cert(char *file, int format);
 134 static int sign (X509 *x, EVP_PKEY *pkey,int days,const EVP_MD *digest,
 135                                                 LHASH *conf, char *section);
 136 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 137                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 138                          int create,int days, LHASH *conf, char *section);
 139 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 140 static int reqfile=0;
 141
 142 int MAIN(int argc, char **argv)
 143         {
 144         int ret=1;
 145         X509_REQ *req=NULL;
 146         X509 *x=NULL,*xca=NULL;
 147         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 148         int i,num,badops=0;
 149         BIO *out=NULL;
 150         BIO *STDout=NULL;
 151         STACK *trust = NULL, *reject = NULL;
 152         int informat,outformat,keyformat,CAformat,CAkeyformat;
 153         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 154         char *CAkeyfile=NULL,*CAserial=NULL;
 155         char *alias=NULL, *trstr=NULL;
 156         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 157         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0;
 158         int trustout=0,clrtrust=0,clrreject=0,aliasout=0;
 159         int C=0;
 160         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 161         int pprint = 0;
 162         char **pp;
 163         X509_STORE *ctx=NULL;
 164         X509_REQ *rq=NULL;
 165         int fingerprint=0;
 166         char buf[256];
 167         const EVP_MD *md_alg,*digest=EVP_md5();
 168         LHASH *extconf = NULL;
 169         char *extsect = NULL, *extfile = NULL;
 170         int need_rand = 0;
 171
 172         reqfile=0;
 173
 174         apps_startup();
 175
 176         if (bio_err == NULL)
 177                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 178         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 179
 180         informat=FORMAT_PEM;
 181         outformat=FORMAT_PEM;
 182         keyformat=FORMAT_PEM;
 183         CAformat=FORMAT_PEM;
 184         CAkeyformat=FORMAT_PEM;
 185
 186         ctx=X509_STORE_new();
 187         if (ctx == NULL) goto end;
 188         X509_STORE_set_verify_cb_func(ctx,callb);
 189
 190         argc--;
 191         argv++;
 192         num=0;
 193         while (argc >= 1)
 194                 {
 195                 if      (strcmp(*argv,"-inform") == 0)
 196                         {
 197                         if (--argc < 1) goto bad;
 198                         informat=str2fmt(*(++argv));
 199                         }
 200                 else if (strcmp(*argv,"-outform") == 0)
 201                         {
 202                         if (--argc < 1) goto bad;
 203                         outformat=str2fmt(*(++argv));
 204                         }
 205                 else if (strcmp(*argv,"-keyform") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         keyformat=str2fmt(*(++argv));
 209                         }
 210                 else if (strcmp(*argv,"-req") == 0)
 211                         {
 212                         reqfile=1;
 213                         need_rand = 1;
 214                         }
 215                 else if (strcmp(*argv,"-CAform") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         CAformat=str2fmt(*(++argv));
 219                         }
 220                 else if (strcmp(*argv,"-CAkeyform") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         CAformat=str2fmt(*(++argv));
 224                         }
 225                 else if (strcmp(*argv,"-days") == 0)
 226                         {
 227                         if (--argc < 1) goto bad;
 228                         days=atoi(*(++argv));
 229                         if (days == 0)
 230                                 {
 231                                 BIO_printf(STDout,"bad number of days\n");
 232                                 goto bad;
 233                                 }
 234                         }
 235                 else if (strcmp(*argv,"-extfile") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         extfile= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-extensions") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         extsect= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-in") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         infile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-out") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         outfile= *(++argv);
 254                         }
 255                 else if (strcmp(*argv,"-signkey") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         keyfile= *(++argv);
 259                         sign_flag= ++num;
 260                         need_rand = 1;
 261                         }
 262                 else if (strcmp(*argv,"-CA") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         CAfile= *(++argv);
 266                         CA_flag= ++num;
 267                         need_rand = 1;
 268                         }
 269                 else if (strcmp(*argv,"-CAkey") == 0)
 270                         {
 271                         if (--argc < 1) goto bad;
 272                         CAkeyfile= *(++argv);
 273                         }
 274                 else if (strcmp(*argv,"-CAserial") == 0)
 275                         {
 276                         if (--argc < 1) goto bad;
 277                         CAserial= *(++argv);
 278                         }
 279                 else if (strcmp(*argv,"-addtrust") == 0)
 280                         {
 281                         if (--argc < 1) goto bad;
 282                         trstr= *(++argv);
 283                         if(!X509_trust_set_bit_asc(NULL, trstr, 0)) {
 284                                 BIO_printf(bio_err,
 285                                         "Unknown trust value %s\n", trstr);
 286                                 goto bad;
 287                         }
 288                         if(!trust) trust = sk_new_null();
 289                         sk_push(trust, trstr);
 290                         trustout = 1;
 291                         }
 292                 else if (strcmp(*argv,"-addreject") == 0)
 293                         {
 294                         if (--argc < 1) goto bad;
 295                         trstr= *(++argv);
 296                         if(!X509_reject_set_bit_asc(NULL, trstr, 0)) {
 297                                 BIO_printf(bio_err,
 298                                         "Unknown trust value %s\n", trstr);
 299                                 goto bad;
 300                         }
 301                         if(!reject) reject = sk_new_null();
 302                         sk_push(reject, trstr);
 303                         trustout = 1;
 304                         }
 305                 else if (strcmp(*argv,"-setalias") == 0)
 306                         {
 307                         if (--argc < 1) goto bad;
 308                         alias= *(++argv);
 309                         trustout = 1;
 310                         }
 311                 else if (strcmp(*argv,"-setalias") == 0)
 312                         {
 313                         if (--argc < 1) goto bad;
 314                         alias= *(++argv);
 315                         trustout = 1;
 316                         }
 317                 else if (strcmp(*argv,"-C") == 0)
 318                         C= ++num;
 319                 else if (strcmp(*argv,"-serial") == 0)
 320                         serial= ++num;
 321                 else if (strcmp(*argv,"-modulus") == 0)
 322                         modulus= ++num;
 323                 else if (strcmp(*argv,"-pubkey") == 0)
 324                         pubkey= ++num;
 325                 else if (strcmp(*argv,"-x509toreq") == 0)
 326                         x509req= ++num;
 327                 else if (strcmp(*argv,"-text") == 0)
 328                         text= ++num;
 329                 else if (strcmp(*argv,"-hash") == 0)
 330                         hash= ++num;
 331                 else if (strcmp(*argv,"-subject") == 0)
 332                         subject= ++num;
 333                 else if (strcmp(*argv,"-issuer") == 0)
 334                         issuer= ++num;
 335                 else if (strcmp(*argv,"-fingerprint") == 0)
 336                         fingerprint= ++num;
 337                 else if (strcmp(*argv,"-dates") == 0)
 338                         {
 339                         startdate= ++num;
 340                         enddate= ++num;
 341                         }
 342                 else if (strcmp(*argv,"-purpose") == 0)
 343                         pprint= ++num;
 344                 else if (strcmp(*argv,"-startdate") == 0)
 345                         startdate= ++num;
 346                 else if (strcmp(*argv,"-enddate") == 0)
 347                         enddate= ++num;
 348                 else if (strcmp(*argv,"-noout") == 0)
 349                         noout= ++num;
 350                 else if (strcmp(*argv,"-trustout") == 0)
 351                         trustout= 1;
 352                 else if (strcmp(*argv,"-clrtrust") == 0)
 353                         clrtrust= ++num;
 354                 else if (strcmp(*argv,"-clrreject") == 0)
 355                         clrreject= ++num;
 356                 else if (strcmp(*argv,"-alias") == 0)
 357                         aliasout= ++num;
 358                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 359                         CA_createserial= ++num;
 360                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 361                         {
 362                         /* ok */
 363                         digest=md_alg;
 364                         }
 365                 else
 366                         {
 367                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 368                         badops=1;
 369                         break;
 370                         }
 371                 argc--;
 372                 argv++;
 373                 }
 374
 375         if (badops)
 376                 {
 377 bad:
 378                 for (pp=x509_usage; (*pp != NULL); pp++)
 379                         BIO_printf(bio_err,*pp);
 380                 goto end;
 381                 }
 382
 383         if (need_rand)
 384                 app_RAND_load_file(NULL, bio_err, 0);
 385
 386         ERR_load_crypto_strings();
 387         X509_init();
 388
 389         if (!X509_STORE_set_default_paths(ctx))
 390                 {
 391                 ERR_print_errors(bio_err);
 392                 goto end;
 393                 }
 394
 395         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 396                 { CAkeyfile=CAfile; }
 397         else if ((CA_flag) && (CAkeyfile == NULL))
 398                 {
 399                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 400                 goto end;
 401                 }
 402
 403         if (extfile) {
 404                 long errorline;
 405                 X509V3_CTX ctx2;
 406                 if (!(extconf=CONF_load(NULL,extfile,&errorline))) {
 407                         if (errorline <= 0)
 408                                 BIO_printf(bio_err,
 409                                         "error loading the config file '%s'\n",
 410                                                                 extfile);
 411                         else
 412                                 BIO_printf(bio_err,
 413                                        "error on line %ld of config file '%s'\n"
 414                                                         ,errorline,extfile);
 415                         goto end;
 416                 }
 417                 if(!extsect && !(extsect = CONF_get_string(extconf, "default",
 418                                          "extensions"))) extsect = "default";
 419                 X509V3_set_ctx_test(&ctx2);
 420                 X509V3_set_conf_lhash(&ctx2, extconf);
 421                 if(!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL)) {
 422                         BIO_printf(bio_err,
 423                                 "Error Loading extension section %s\n",
 424                                                                  extsect);
 425                         ERR_print_errors(bio_err);
 426                         goto end;
 427                 }
 428         }
 429
 430
 431         if (reqfile)
 432                 {
 433                 EVP_PKEY *pkey;
 434                 X509_CINF *ci;
 435                 BIO *in;
 436
 437                 if (!sign_flag && !CA_flag)
 438                         {
 439                         BIO_printf(bio_err,"We need a private key to sign with\n");
 440                         goto end;
 441                         }
 442                 in=BIO_new(BIO_s_file());
 443                 if (in == NULL)
 444                         {
 445                         ERR_print_errors(bio_err);
 446                         goto end;
 447                         }
 448
 449                 if (infile == NULL)
 450                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 451                 else
 452                         {
 453                         if (BIO_read_filename(in,infile) <= 0)
 454                                 {
 455                                 perror(infile);
 456                                 goto end;
 457                                 }
 458                         }
 459                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 460                 BIO_free(in);
 461
 462                 if (req == NULL) { perror(infile); goto end; }
 463
 464                 if (    (req->req_info == NULL) ||
 465                         (req->req_info->pubkey == NULL) ||
 466                         (req->req_info->pubkey->public_key == NULL) ||
 467                         (req->req_info->pubkey->public_key->data == NULL))
 468                         {
 469                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 470                         BIO_printf(bio_err,"It does not contain a public key\n");
 471                         goto end;
 472                         }
 473                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 474                         {
 475                         BIO_printf(bio_err,"error unpacking public key\n");
 476                         goto end;
 477                         }
 478                 i=X509_REQ_verify(req,pkey);
 479                 EVP_PKEY_free(pkey);
 480                 if (i < 0)
 481                         {
 482                         BIO_printf(bio_err,"Signature verification error\n");
 483                         ERR_print_errors(bio_err);
 484                         goto end;
 485                         }
 486                 if (i == 0)
 487                         {
 488                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 489                         goto end;
 490                         }
 491                 else
 492                         BIO_printf(bio_err,"Signature ok\n");
 493
 494                 X509_NAME_oneline(req->req_info->subject,buf,256);
 495                 BIO_printf(bio_err,"subject=%s\n",buf);
 496
 497                 if ((x=X509_new()) == NULL) goto end;
 498                 ci=x->cert_info;
 499
 500                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 501                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 502                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 503
 504                 X509_gmtime_adj(X509_get_notBefore(x),0);
 505                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 506
 507 #if 0
 508                 X509_PUBKEY_free(ci->key);
 509                 ci->key=req->req_info->pubkey;
 510                 req->req_info->pubkey=NULL;
 511 #else
 512                 pkey = X509_REQ_get_pubkey(req);
 513                 X509_set_pubkey(x,pkey);
 514                 EVP_PKEY_free(pkey);
 515 #endif
 516                 }
 517         else
 518                 x=load_cert(infile,informat);
 519
 520         if (x == NULL) goto end;
 521         if (CA_flag)
 522                 {
 523                 xca=load_cert(CAfile,CAformat);
 524                 if (xca == NULL) goto end;
 525                 }
 526
 527         if (!noout || text)
 528                 {
 529                 OBJ_create("2.99999.3",
 530                         "SET.ex3","SET x509v3 extension 3");
 531
 532                 out=BIO_new(BIO_s_file());
 533                 if (out == NULL)
 534                         {
 535                         ERR_print_errors(bio_err);
 536                         goto end;
 537                         }
 538                 if (outfile == NULL)
 539                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 540                 else
 541                         {
 542                         if (BIO_write_filename(out,outfile) <= 0)
 543                                 {
 544                                 perror(outfile);
 545                                 goto end;
 546                                 }
 547                         }
 548                 }
 549
 550         if(alias) X509_alias_set(x, (unsigned char *)alias, -1);
 551
 552         if(clrtrust) X509_trust_set_bit(x, -1, 0);
 553         if(clrreject) X509_reject_set_bit(x, -1, 0);
 554
 555         if(trust) {
 556                 for(i = 0; i < sk_num(trust); i++) {
 557                         trstr = sk_value(trust, i);
 558                         X509_trust_set_bit_asc(x, trstr, 1);
 559                 }
 560                 sk_free(trust);
 561         }
 562
 563         if(reject) {
 564                 for(i = 0; i < sk_num(reject); i++) {
 565                         trstr = sk_value(reject, i);
 566                         X509_reject_set_bit_asc(x, trstr, 1);
 567                 }
 568                 sk_free(reject);
 569         }
 570
 571         if (num)
 572                 {
 573                 for (i=1; i<=num; i++)
 574                         {
 575                         if (issuer == i)
 576                                 {
 577                                 X509_NAME_oneline(X509_get_issuer_name(x),
 578                                         buf,256);
 579                                 BIO_printf(STDout,"issuer= %s\n",buf);
 580                                 }
 581                         else if (subject == i)
 582                                 {
 583                                 X509_NAME_oneline(X509_get_subject_name(x),
 584                                         buf,256);
 585                                 BIO_printf(STDout,"subject=%s\n",buf);
 586                                 }
 587                         else if (serial == i)
 588                                 {
 589                                 BIO_printf(STDout,"serial=");
 590                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 591                                 BIO_printf(STDout,"\n");
 592                                 }
 593                         else if (aliasout == i)
 594                                 {
 595                                 unsigned char *alstr;
 596                                 alstr = X509_alias_get(x, NULL);
 597                                 if(alstr) BIO_printf(STDout,"%s\n", alstr);
 598                                 else BIO_puts(STDout,"<No Alias>\n");
 599                                 }
 600                         else if (hash == i)
 601                                 {
 602                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 603                                 }
 604                         else if (pprint == i)
 605                                 {
 606                                 X509_PURPOSE *ptmp;
 607                                 int j;
 608                                 BIO_printf(STDout, "Certificate purposes:\n");
 609                                 for(j = 0; j < X509_PURPOSE_get_count(); j++)
 610                                         {
 611                                         ptmp = X509_PURPOSE_iget(j);
 612                                         purpose_print(STDout, x, ptmp);
 613                                         }
 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 (pubkey == i)
 644                                 {
 645                                 EVP_PKEY *pkey;
 646
 647                                 pkey=X509_get_pubkey(x);
 648                                 if (pkey == NULL)
 649                                         {
 650                                         BIO_printf(bio_err,"Error getting public key\n");
 651                                         ERR_print_errors(bio_err);
 652                                         goto end;
 653                                         }
 654                                 PEM_write_bio_PUBKEY(STDout, pkey);
 655                                 EVP_PKEY_free(pkey);
 656                                 }
 657                         else
 658                                 if (C == i)
 659                                 {
 660                                 unsigned char *d;
 661                                 char *m;
 662                                 int y,z;
 663
 664                                 X509_NAME_oneline(X509_get_subject_name(x),
 665                                         buf,256);
 666                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 667                                 m=X509_NAME_oneline(
 668                                         X509_get_issuer_name(x),buf,256);
 669                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 670
 671                                 z=i2d_X509(x,NULL);
 672                                 m=Malloc(z);
 673
 674                                 d=(unsigned char *)m;
 675                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 676                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 677                                 d=(unsigned char *)m;
 678                                 for (y=0; y<z; y++)
 679                                         {
 680                                         BIO_printf(STDout,"0x%02X,",d[y]);
 681                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 682                                         }
 683                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 684                                 BIO_printf(STDout,"};\n");
 685
 686                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 687                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 688                                 d=(unsigned char *)m;
 689                                 for (y=0; y<z; y++)
 690                                         {
 691                                         BIO_printf(STDout,"0x%02X,",d[y]);
 692                                         if ((y & 0x0f) == 0x0f)
 693                                                 BIO_printf(STDout,"\n");
 694                                         }
 695                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 696                                 BIO_printf(STDout,"};\n");
 697
 698                                 z=i2d_X509(x,&d);
 699                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 700                                 d=(unsigned char *)m;
 701                                 for (y=0; y<z; y++)
 702                                         {
 703                                         BIO_printf(STDout,"0x%02X,",d[y]);
 704                                         if ((y & 0x0f) == 0x0f)
 705                                                 BIO_printf(STDout,"\n");
 706                                         }
 707                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 708                                 BIO_printf(STDout,"};\n");
 709
 710                                 Free(m);
 711                                 }
 712                         else if (text == i)
 713                                 {
 714                                 X509_print(out,x);
 715                                 }
 716                         else if (startdate == i)
 717                                 {
 718                                 BIO_puts(STDout,"notBefore=");
 719                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 720                                 BIO_puts(STDout,"\n");
 721                                 }
 722                         else if (enddate == i)
 723                                 {
 724                                 BIO_puts(STDout,"notAfter=");
 725                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 726                                 BIO_puts(STDout,"\n");
 727                                 }
 728                         else if (fingerprint == i)
 729                                 {
 730                                 int j;
 731                                 unsigned int n;
 732                                 unsigned char md[EVP_MAX_MD_SIZE];
 733
 734                                 if (!X509_digest(x,digest,md,&n))
 735                                         {
 736                                         BIO_printf(bio_err,"out of memory\n");
 737                                         goto end;
 738                                         }
 739                                 BIO_printf(STDout,"%s Fingerprint=",
 740                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 741                                 for (j=0; j<(int)n; j++)
 742                                         {
 743                                         BIO_printf(STDout,"%02X%c",md[j],
 744                                                 (j+1 == (int)n)
 745                                                 ?'\n':':');
 746                                         }
 747                                 }
 748
 749                         /* should be in the library */
 750                         else if ((sign_flag == i) && (x509req == 0))
 751                                 {
 752                                 BIO_printf(bio_err,"Getting Private key\n");
 753                                 if (Upkey == NULL)
 754                                         {
 755                                         Upkey=load_key(keyfile,keyformat);
 756                                         if (Upkey == NULL) goto end;
 757                                         }
 758 #ifndef NO_DSA
 759                                 if (Upkey->type == EVP_PKEY_DSA)
 760                                         digest=EVP_dss1();
 761 #endif
 762
 763                                 assert(need_rand);
 764                                 if (!sign(x,Upkey,days,digest,
 765                                                  extconf, extsect)) goto end;
 766                                 }
 767                         else if (CA_flag == i)
 768                                 {
 769                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 770                                 if (CAkeyfile != NULL)
 771                                         {
 772                                         CApkey=load_key(CAkeyfile,CAkeyformat);
 773                                         if (CApkey == NULL) goto end;
 774                                         }
 775 #ifndef NO_DSA
 776                                 if (CApkey->type == EVP_PKEY_DSA)
 777                                         digest=EVP_dss1();
 778 #endif
 779
 780                                 assert(need_rand);
 781                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 782                                         CApkey, CAserial,CA_createserial,days,
 783                                         extconf, extsect))
 784                                         goto end;
 785                                 }
 786                         else if (x509req == i)
 787                                 {
 788                                 EVP_PKEY *pk;
 789
 790                                 BIO_printf(bio_err,"Getting request Private Key\n");
 791                                 if (keyfile == NULL)
 792                                         {
 793                                         BIO_printf(bio_err,"no request key file specified\n");
 794                                         goto end;
 795                                         }
 796                                 else
 797                                         {
 798                                         pk=load_key(keyfile,FORMAT_PEM);
 799                                         if (pk == NULL) goto end;
 800                                         }
 801
 802                                 BIO_printf(bio_err,"Generating certificate request\n");
 803
 804                                 if (pk->type == EVP_PKEY_DSA)
 805                                         digest=EVP_dss1();
 806
 807                                 rq=X509_to_X509_REQ(x,pk,digest);
 808                                 EVP_PKEY_free(pk);
 809                                 if (rq == NULL)
 810                                         {
 811                                         ERR_print_errors(bio_err);
 812                                         goto end;
 813                                         }
 814                                 if (!noout)
 815                                         {
 816                                         X509_REQ_print(out,rq);
 817                                         PEM_write_bio_X509_REQ(out,rq);
 818                                         }
 819                                 noout=1;
 820                                 }
 821                         }
 822                 }
 823
 824         if (noout)
 825                 {
 826                 ret=0;
 827                 goto end;
 828                 }
 829
 830         if      (outformat == FORMAT_ASN1)
 831                 i=i2d_X509_bio(out,x);
 832         else if (outformat == FORMAT_PEM) {
 833                 if(trustout) i=PEM_write_bio_X509_AUX(out,x);
 834                 else i=PEM_write_bio_X509(out,x);
 835         } else if (outformat == FORMAT_NETSCAPE)
 836                 {
 837                 ASN1_HEADER ah;
 838                 ASN1_OCTET_STRING os;
 839
 840                 os.data=(unsigned char *)CERT_HDR;
 841                 os.length=strlen(CERT_HDR);
 842                 ah.header= &os;
 843                 ah.data=(char *)x;
 844                 ah.meth=X509_asn1_meth();
 845
 846                 /* no macro for this one yet */
 847                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 848                 }
 849         else    {
 850                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 851                 goto end;
 852                 }
 853         if (!i) {
 854                 BIO_printf(bio_err,"unable to write certificate\n");
 855                 ERR_print_errors(bio_err);
 856                 goto end;
 857                 }
 858         ret=0;
 859 end:
 860         if (need_rand)
 861                 app_RAND_write_file(NULL, bio_err);
 862         OBJ_cleanup();
 863         CONF_free(extconf);
 864         BIO_free(out);
 865         BIO_free(STDout);
 866         X509_STORE_free(ctx);
 867         X509_REQ_free(req);
 868         X509_free(x);
 869         X509_free(xca);
 870         EVP_PKEY_free(Upkey);
 871         EVP_PKEY_free(CApkey);
 872         X509_REQ_free(rq);
 873         X509_cleanup();
 874         EXIT(ret);
 875         }
 876
 877 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 878              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 879              int days, LHASH *conf, char *section)
 880         {
 881         int ret=0;
 882         BIO *io=NULL;
 883         MS_STATIC char buf2[1024];
 884         char *buf=NULL,*p;
 885         BIGNUM *serial=NULL;
 886         ASN1_INTEGER *bs=NULL,bs2;
 887         X509_STORE_CTX xsc;
 888         EVP_PKEY *upkey;
 889
 890         upkey = X509_get_pubkey(xca);
 891         EVP_PKEY_copy_parameters(upkey,pkey);
 892         EVP_PKEY_free(upkey);
 893
 894         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 895         buf=(char *)Malloc(EVP_PKEY_size(pkey)*2+
 896                 ((serialfile == NULL)
 897                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 898                         :(strlen(serialfile)))+1);
 899         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 900         if (serialfile == NULL)
 901                 {
 902                 strcpy(buf,CAfile);
 903                 for (p=buf; *p; p++)
 904                         if (*p == '.')
 905                                 {
 906                                 *p='\0';
 907                                 break;
 908                                 }
 909                 strcat(buf,POSTFIX);
 910                 }
 911         else
 912                 strcpy(buf,serialfile);
 913         serial=BN_new();
 914         bs=ASN1_INTEGER_new();
 915         if ((serial == NULL) || (bs == NULL))
 916                 {
 917                 ERR_print_errors(bio_err);
 918                 goto end;
 919                 }
 920
 921         io=BIO_new(BIO_s_file());
 922         if (io == NULL)
 923                 {
 924                 ERR_print_errors(bio_err);
 925                 goto end;
 926                 }
 927
 928         if (BIO_read_filename(io,buf) <= 0)
 929                 {
 930                 if (!create)
 931                         {
 932                         perror(buf);
 933                         goto end;
 934                         }
 935                 else
 936                         {
 937                         ASN1_INTEGER_set(bs,0);
 938                         BN_zero(serial);
 939                         }
 940                 }
 941         else
 942                 {
 943                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
 944                         {
 945                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
 946                         ERR_print_errors(bio_err);
 947                         goto end;
 948                         }
 949                 else
 950                         {
 951                         serial=BN_bin2bn(bs->data,bs->length,serial);
 952                         if (serial == NULL)
 953                                 {
 954                                 BIO_printf(bio_err,"error converting bin 2 bn");
 955                                 goto end;
 956                                 }
 957                         }
 958                 }
 959
 960         if (!BN_add_word(serial,1))
 961                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
 962         bs2.data=(unsigned char *)buf2;
 963         bs2.length=BN_bn2bin(serial,bs2.data);
 964
 965         if (BIO_write_filename(io,buf) <= 0)
 966                 {
 967                 BIO_printf(bio_err,"error attempting to write serial number file\n");
 968                 perror(buf);
 969                 goto end;
 970                 }
 971         i2a_ASN1_INTEGER(io,&bs2);
 972         BIO_puts(io,"\n");
 973         BIO_free(io);
 974         io=NULL;
 975
 976         if (!X509_STORE_add_cert(ctx,x)) goto end;
 977
 978         /* NOTE: this certificate can/should be self signed, unless it was
 979          * a certificate request in which case it is not. */
 980         X509_STORE_CTX_set_cert(&xsc,x);
 981         if (!reqfile && !X509_verify_cert(&xsc))
 982                 goto end;
 983
 984         if (!X509_check_private_key(xca,pkey))
 985                 {
 986                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
 987                 goto end;
 988                 }
 989
 990         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
 991         if (!X509_set_serialNumber(x,bs)) goto end;
 992
 993         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
 994                 goto end;
 995
 996         /* hardwired expired */
 997         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
 998                 goto end;
 999
1000         if(conf) {
1001                 X509V3_CTX ctx2;
1002                 X509_set_version(x,2); /* version 3 certificate */
1003                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1004                 X509V3_set_conf_lhash(&ctx2, conf);
1005                 if(!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1006         }
1007
1008         if (!X509_sign(x,pkey,digest)) goto end;
1009         ret=1;
1010 end:
1011         X509_STORE_CTX_cleanup(&xsc);
1012         if (!ret)
1013                 ERR_print_errors(bio_err);
1014         if (buf != NULL) Free(buf);
1015         if (bs != NULL) ASN1_INTEGER_free(bs);
1016         if (io != NULL) BIO_free(io);
1017         if (serial != NULL) BN_free(serial);
1018         return(ret);
1019         }
1020
1021 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1022         {
1023         char buf[256];
1024         int err;
1025         X509 *err_cert;
1026
1027         /* it is ok to use a self signed certificate
1028          * This case will catch both the initial ok == 0 and the
1029          * final ok == 1 calls to this function */
1030         err=X509_STORE_CTX_get_error(ctx);
1031         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1032                 return(1);
1033
1034         /* BAD we should have gotten an error.  Normally if everything
1035          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1036          * DEPTH_ZERO_SELF_.... */
1037         if (ok)
1038                 {
1039                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1040                 return(0);
1041                 }
1042         else
1043                 {
1044                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1045                 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
1046                 BIO_printf(bio_err,"%s\n",buf);
1047                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1048                         err,X509_STORE_CTX_get_error_depth(ctx),
1049                         X509_verify_cert_error_string(err));
1050                 return(1);
1051                 }
1052         }
1053
1054 static EVP_PKEY *load_key(char *file, int format)
1055         {
1056         BIO *key=NULL;
1057         EVP_PKEY *pkey=NULL;
1058
1059         if (file == NULL)
1060                 {
1061                 BIO_printf(bio_err,"no keyfile specified\n");
1062                 goto end;
1063                 }
1064         key=BIO_new(BIO_s_file());
1065         if (key == NULL)
1066                 {
1067                 ERR_print_errors(bio_err);
1068                 goto end;
1069                 }
1070         if (BIO_read_filename(key,file) <= 0)
1071                 {
1072                 perror(file);
1073                 goto end;
1074                 }
1075 #ifndef NO_RSA
1076         if      (format == FORMAT_ASN1)
1077                 {
1078                 RSA *rsa;
1079
1080                 rsa=d2i_RSAPrivateKey_bio(key,NULL);
1081                 if (rsa != NULL)
1082                         {
1083                         if ((pkey=EVP_PKEY_new()) != NULL)
1084                                 EVP_PKEY_assign_RSA(pkey,rsa);
1085                         else
1086                                 RSA_free(rsa);
1087                         }
1088                 }
1089         else
1090 #endif
1091                 if (format == FORMAT_PEM)
1092                 {
1093                 pkey=PEM_read_bio_PrivateKey(key,NULL,NULL,NULL);
1094                 }
1095         else
1096                 {
1097                 BIO_printf(bio_err,"bad input format specified for key\n");
1098                 goto end;
1099                 }
1100 end:
1101         if (key != NULL) BIO_free(key);
1102         if (pkey == NULL)
1103                 BIO_printf(bio_err,"unable to load Private Key\n");
1104         return(pkey);
1105         }
1106
1107 static X509 *load_cert(char *file, int format)
1108         {
1109         ASN1_HEADER *ah=NULL;
1110         BUF_MEM *buf=NULL;
1111         X509 *x=NULL;
1112         BIO *cert;
1113
1114         if ((cert=BIO_new(BIO_s_file())) == NULL)
1115                 {
1116                 ERR_print_errors(bio_err);
1117                 goto end;
1118                 }
1119
1120         if (file == NULL)
1121                 BIO_set_fp(cert,stdin,BIO_NOCLOSE);
1122         else
1123                 {
1124                 if (BIO_read_filename(cert,file) <= 0)
1125                         {
1126                         perror(file);
1127                         goto end;
1128                         }
1129                 }
1130         if      (format == FORMAT_ASN1)
1131                 x=d2i_X509_bio(cert,NULL);
1132         else if (format == FORMAT_NETSCAPE)
1133                 {
1134                 unsigned char *p,*op;
1135                 int size=0,i;
1136
1137                 /* We sort of have to do it this way because it is sort of nice
1138                  * to read the header first and check it, then
1139                  * try to read the certificate */
1140                 buf=BUF_MEM_new();
1141                 for (;;)
1142                         {
1143                         if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10)))
1144                                 goto end;
1145                         i=BIO_read(cert,&(buf->data[size]),1024*10);
1146                         size+=i;
1147                         if (i == 0) break;
1148                         if (i < 0)
1149                                 {
1150                                 perror("reading certificate");
1151                                 goto end;
1152                                 }
1153                         }
1154                 p=(unsigned char *)buf->data;
1155                 op=p;
1156
1157                 /* First load the header */
1158                 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL)
1159                         goto end;
1160                 if ((ah->header == NULL) || (ah->header->data == NULL) ||
1161                         (strncmp(CERT_HDR,(char *)ah->header->data,
1162                         ah->header->length) != 0))
1163                         {
1164                         BIO_printf(bio_err,"Error reading header on certificate\n");
1165                         goto end;
1166                         }
1167                 /* header is ok, so now read the object */
1168                 p=op;
1169                 ah->meth=X509_asn1_meth();
1170                 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL)
1171                         goto end;
1172                 x=(X509 *)ah->data;
1173                 ah->data=NULL;
1174                 }
1175         else if (format == FORMAT_PEM)
1176                 x=PEM_read_bio_X509_AUX(cert,NULL,NULL,NULL);
1177         else    {
1178                 BIO_printf(bio_err,"bad input format specified for input cert\n");
1179                 goto end;
1180                 }
1181 end:
1182         if (x == NULL)
1183                 {
1184                 BIO_printf(bio_err,"unable to load certificate\n");
1185                 ERR_print_errors(bio_err);
1186                 }
1187         if (ah != NULL) ASN1_HEADER_free(ah);
1188         if (cert != NULL) BIO_free(cert);
1189         if (buf != NULL) BUF_MEM_free(buf);
1190         return(x);
1191         }
1192
1193 /* self sign */
1194 static int sign(X509 *x, EVP_PKEY *pkey, int days, const EVP_MD *digest,
1195                                                 LHASH *conf, char *section)
1196         {
1197
1198         EVP_PKEY *pktmp;
1199
1200         pktmp = X509_get_pubkey(x);
1201         EVP_PKEY_copy_parameters(pktmp,pkey);
1202         EVP_PKEY_save_parameters(pktmp,1);
1203         EVP_PKEY_free(pktmp);
1204
1205         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1206         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1207
1208         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1209         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1210         /* 28 days to be certified */
1211
1212         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1213                 goto err;
1214
1215         if (!X509_set_pubkey(x,pkey)) goto err;
1216         if(conf) {
1217                 X509V3_CTX ctx;
1218                 X509_set_version(x,2); /* version 3 certificate */
1219                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1220                 X509V3_set_conf_lhash(&ctx, conf);
1221                 if(!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1222         }
1223         if (!X509_sign(x,pkey,digest)) goto err;
1224         return(1);
1225 err:
1226         ERR_print_errors(bio_err);
1227         return(0);
1228         }
1229
1230 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1231 {
1232         int id, i, idret;
1233         char *pname;
1234         id = X509_PURPOSE_get_id(pt);
1235         pname = X509_PURPOSE_iget_name(pt);
1236         for(i = 0; i < 2; i++) {
1237                 idret = X509_check_purpose(cert, id, i);
1238                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1239                 if(idret == 1) BIO_printf(bio, "Yes\n");
1240                 else if (idret == 0) BIO_printf(bio, "No\n");
1241                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1242         }
1243         return 1;
1244 }
1245
1246
1247