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