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 static char *x509_usage[]={
  85 "usage: x509 args\n",
  86 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
  87 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
  88 " -keyform arg    - private key format - default PEM\n",
  89 " -CAform arg     - CA format - default PEM\n",
  90 " -CAkeyform arg  - CA key format - default PEM\n",
  91 " -in arg         - input file - default stdin\n",
  92 " -out arg        - output file - default stdout\n",
  93 " -passin arg     - private key password source\n",
  94 " -serial         - print serial number value\n",
  95 " -hash           - print hash value\n",
  96 " -subject        - print subject DN\n",
  97 " -issuer         - print issuer DN\n",
  98 " -email          - print email address(es)\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 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
 116 "                   exit 1 if so, 0 if not\n",
 117 " -signkey arg    - self sign cert with arg\n",
 118 " -x509toreq      - output a certification request object\n",
 119 " -req            - input is a certificate request, sign and output.\n",
 120 " -CA arg         - set the CA certificate, must be PEM format.\n",
 121 " -CAkey arg      - set the CA key, must be PEM format\n",
 122 "                   missing, it is assumed to be in the CA file.\n",
 123 " -CAcreateserial - create serial number file if it does not exist\n",
 124 " -CAserial       - serial file\n",
 125 " -text           - print the certificate in text form\n",
 126 " -C              - print out C code forms\n",
 127 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
 128 " -extfile        - configuration file with X509V3 extensions to add\n",
 129 " -extensions     - section from config file with X509V3 extensions to add\n",
 130 " -clrext         - delete extensions before signing and input certificate\n",
 131 " -nameopt arg    - various certificate name options\n",
 132 NULL
 133 };
 134
 135 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
 136 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
 137                                                 LHASH *conf, char *section);
 138 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
 139                          X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
 140                          int create,int days, int clrext, LHASH *conf, char *section);
 141 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
 142 static int reqfile=0;
 143
 144 int MAIN(int, char **);
 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         ASN1_OBJECT *objtmp;
 152         EVP_PKEY *Upkey=NULL,*CApkey=NULL;
 153         int i,num,badops=0;
 154         BIO *out=NULL;
 155         BIO *STDout=NULL;
 156         STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
 157         int informat,outformat,keyformat,CAformat,CAkeyformat;
 158         char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
 159         char *CAkeyfile=NULL,*CAserial=NULL;
 160         char *alias=NULL;
 161         int text=0,serial=0,hash=0,subject=0,issuer=0,startdate=0,enddate=0;
 162         int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
 163         int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
 164         int C=0;
 165         int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
 166         int pprint = 0;
 167         char **pp;
 168         X509_STORE *ctx=NULL;
 169         X509_REQ *rq=NULL;
 170         int fingerprint=0;
 171         char buf[256];
 172         const EVP_MD *md_alg,*digest=EVP_md5();
 173         LHASH *extconf = NULL;
 174         char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
 175         int need_rand = 0;
 176         int checkend=0,checkoffset=0;
 177         unsigned long nmflag = 0;
 178
 179         reqfile=0;
 180
 181         apps_startup();
 182
 183         if (bio_err == NULL)
 184                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 185         STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
 186 #ifdef VMS
 187         {
 188         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 189         STDout = BIO_push(tmpbio, STDout);
 190         }
 191 #endif
 192
 193         informat=FORMAT_PEM;
 194         outformat=FORMAT_PEM;
 195         keyformat=FORMAT_PEM;
 196         CAformat=FORMAT_PEM;
 197         CAkeyformat=FORMAT_PEM;
 198
 199         ctx=X509_STORE_new();
 200         if (ctx == NULL) goto end;
 201         X509_STORE_set_verify_cb_func(ctx,callb);
 202
 203         argc--;
 204         argv++;
 205         num=0;
 206         while (argc >= 1)
 207                 {
 208                 if      (strcmp(*argv,"-inform") == 0)
 209                         {
 210                         if (--argc < 1) goto bad;
 211                         informat=str2fmt(*(++argv));
 212                         }
 213                 else if (strcmp(*argv,"-outform") == 0)
 214                         {
 215                         if (--argc < 1) goto bad;
 216                         outformat=str2fmt(*(++argv));
 217                         }
 218                 else if (strcmp(*argv,"-keyform") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         keyformat=str2fmt(*(++argv));
 222                         }
 223                 else if (strcmp(*argv,"-req") == 0)
 224                         {
 225                         reqfile=1;
 226                         need_rand = 1;
 227                         }
 228                 else if (strcmp(*argv,"-CAform") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         CAformat=str2fmt(*(++argv));
 232                         }
 233                 else if (strcmp(*argv,"-CAkeyform") == 0)
 234                         {
 235                         if (--argc < 1) goto bad;
 236                         CAformat=str2fmt(*(++argv));
 237                         }
 238                 else if (strcmp(*argv,"-days") == 0)
 239                         {
 240                         if (--argc < 1) goto bad;
 241                         days=atoi(*(++argv));
 242                         if (days == 0)
 243                                 {
 244                                 BIO_printf(STDout,"bad number of days\n");
 245                                 goto bad;
 246                                 }
 247                         }
 248                 else if (strcmp(*argv,"-passin") == 0)
 249                         {
 250                         if (--argc < 1) goto bad;
 251                         passargin= *(++argv);
 252                         }
 253                 else if (strcmp(*argv,"-extfile") == 0)
 254                         {
 255                         if (--argc < 1) goto bad;
 256                         extfile= *(++argv);
 257                         }
 258                 else if (strcmp(*argv,"-extensions") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         extsect= *(++argv);
 262                         }
 263                 else if (strcmp(*argv,"-in") == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         infile= *(++argv);
 267                         }
 268                 else if (strcmp(*argv,"-out") == 0)
 269                         {
 270                         if (--argc < 1) goto bad;
 271                         outfile= *(++argv);
 272                         }
 273                 else if (strcmp(*argv,"-signkey") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         keyfile= *(++argv);
 277                         sign_flag= ++num;
 278                         need_rand = 1;
 279                         }
 280                 else if (strcmp(*argv,"-CA") == 0)
 281                         {
 282                         if (--argc < 1) goto bad;
 283                         CAfile= *(++argv);
 284                         CA_flag= ++num;
 285                         need_rand = 1;
 286                         }
 287                 else if (strcmp(*argv,"-CAkey") == 0)
 288                         {
 289                         if (--argc < 1) goto bad;
 290                         CAkeyfile= *(++argv);
 291                         }
 292                 else if (strcmp(*argv,"-CAserial") == 0)
 293                         {
 294                         if (--argc < 1) goto bad;
 295                         CAserial= *(++argv);
 296                         }
 297                 else if (strcmp(*argv,"-addtrust") == 0)
 298                         {
 299                         if (--argc < 1) goto bad;
 300                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 301                                 {
 302                                 BIO_printf(bio_err,
 303                                         "Invalid trust object value %s\n", *argv);
 304                                 goto bad;
 305                                 }
 306                         if (!trust) trust = sk_ASN1_OBJECT_new_null();
 307                         sk_ASN1_OBJECT_push(trust, objtmp);
 308                         trustout = 1;
 309                         }
 310                 else if (strcmp(*argv,"-addreject") == 0)
 311                         {
 312                         if (--argc < 1) goto bad;
 313                         if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
 314                                 {
 315                                 BIO_printf(bio_err,
 316                                         "Invalid reject object value %s\n", *argv);
 317                                 goto bad;
 318                                 }
 319                         if (!reject) reject = sk_ASN1_OBJECT_new_null();
 320                         sk_ASN1_OBJECT_push(reject, objtmp);
 321                         trustout = 1;
 322                         }
 323                 else if (strcmp(*argv,"-setalias") == 0)
 324                         {
 325                         if (--argc < 1) goto bad;
 326                         alias= *(++argv);
 327                         trustout = 1;
 328                         }
 329                 else if (strcmp(*argv,"-nameopt") == 0)
 330                         {
 331                         if (--argc < 1) goto bad;
 332                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 333                         }
 334                 else if (strcmp(*argv,"-setalias") == 0)
 335                         {
 336                         if (--argc < 1) goto bad;
 337                         alias= *(++argv);
 338                         trustout = 1;
 339                         }
 340                 else if (strcmp(*argv,"-C") == 0)
 341                         C= ++num;
 342                 else if (strcmp(*argv,"-email") == 0)
 343                         email= ++num;
 344                 else if (strcmp(*argv,"-serial") == 0)
 345                         serial= ++num;
 346                 else if (strcmp(*argv,"-modulus") == 0)
 347                         modulus= ++num;
 348                 else if (strcmp(*argv,"-pubkey") == 0)
 349                         pubkey= ++num;
 350                 else if (strcmp(*argv,"-x509toreq") == 0)
 351                         x509req= ++num;
 352                 else if (strcmp(*argv,"-text") == 0)
 353                         text= ++num;
 354                 else if (strcmp(*argv,"-hash") == 0)
 355                         hash= ++num;
 356                 else if (strcmp(*argv,"-subject") == 0)
 357                         subject= ++num;
 358                 else if (strcmp(*argv,"-issuer") == 0)
 359                         issuer= ++num;
 360                 else if (strcmp(*argv,"-fingerprint") == 0)
 361                         fingerprint= ++num;
 362                 else if (strcmp(*argv,"-dates") == 0)
 363                         {
 364                         startdate= ++num;
 365                         enddate= ++num;
 366                         }
 367                 else if (strcmp(*argv,"-purpose") == 0)
 368                         pprint= ++num;
 369                 else if (strcmp(*argv,"-startdate") == 0)
 370                         startdate= ++num;
 371                 else if (strcmp(*argv,"-enddate") == 0)
 372                         enddate= ++num;
 373                 else if (strcmp(*argv,"-checkend") == 0)
 374                         {
 375                         if (--argc < 1) goto bad;
 376                         checkoffset=atoi(*(++argv));
 377                         checkend=1;
 378                         }
 379                 else if (strcmp(*argv,"-noout") == 0)
 380                         noout= ++num;
 381                 else if (strcmp(*argv,"-trustout") == 0)
 382                         trustout= 1;
 383                 else if (strcmp(*argv,"-clrtrust") == 0)
 384                         clrtrust= ++num;
 385                 else if (strcmp(*argv,"-clrreject") == 0)
 386                         clrreject= ++num;
 387                 else if (strcmp(*argv,"-alias") == 0)
 388                         aliasout= ++num;
 389                 else if (strcmp(*argv,"-CAcreateserial") == 0)
 390                         CA_createserial= ++num;
 391                 else if (strcmp(*argv,"-clrext") == 0)
 392                         clrext = 1;
 393 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
 394                 else if (strcmp(*argv,"-crlext") == 0)
 395                         {
 396                         BIO_printf(bio_err,"use -clrext instead of -crlext\n");
 397                         clrext = 1;
 398                         }
 399 #endif
 400                 else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
 401                         {
 402                         /* ok */
 403                         digest=md_alg;
 404                         }
 405                 else
 406                         {
 407                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 408                         badops=1;
 409                         break;
 410                         }
 411                 argc--;
 412                 argv++;
 413                 }
 414
 415         if (badops)
 416                 {
 417 bad:
 418                 for (pp=x509_usage; (*pp != NULL); pp++)
 419                         BIO_printf(bio_err,*pp);
 420                 goto end;
 421                 }
 422
 423         if (need_rand)
 424                 app_RAND_load_file(NULL, bio_err, 0);
 425
 426         ERR_load_crypto_strings();
 427
 428         if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
 429                 {
 430                 BIO_printf(bio_err, "Error getting password\n");
 431                 goto end;
 432                 }
 433
 434         if (!X509_STORE_set_default_paths(ctx))
 435                 {
 436                 ERR_print_errors(bio_err);
 437                 goto end;
 438                 }
 439
 440         if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
 441                 { CAkeyfile=CAfile; }
 442         else if ((CA_flag) && (CAkeyfile == NULL))
 443                 {
 444                 BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
 445                 goto end;
 446                 }
 447
 448         if (extfile)
 449                 {
 450                 long errorline;
 451                 X509V3_CTX ctx2;
 452                 if (!(extconf=CONF_load(NULL,extfile,&errorline)))
 453                         {
 454                         if (errorline <= 0)
 455                                 BIO_printf(bio_err,
 456                                         "error loading the config file '%s'\n",
 457                                                                 extfile);
 458                         else
 459                                 BIO_printf(bio_err,
 460                                        "error on line %ld of config file '%s'\n"
 461                                                         ,errorline,extfile);
 462                         goto end;
 463                         }
 464                 if (!extsect && !(extsect = CONF_get_string(extconf, "default",
 465                                          "extensions"))) extsect = "default";
 466                 X509V3_set_ctx_test(&ctx2);
 467                 X509V3_set_conf_lhash(&ctx2, extconf);
 468                 if (!X509V3_EXT_add_conf(extconf, &ctx2, extsect, NULL))
 469                         {
 470                         BIO_printf(bio_err,
 471                                 "Error Loading extension section %s\n",
 472                                                                  extsect);
 473                         ERR_print_errors(bio_err);
 474                         goto end;
 475                         }
 476                 }
 477
 478
 479         if (reqfile)
 480                 {
 481                 EVP_PKEY *pkey;
 482                 X509_CINF *ci;
 483                 BIO *in;
 484
 485                 if (!sign_flag && !CA_flag)
 486                         {
 487                         BIO_printf(bio_err,"We need a private key to sign with\n");
 488                         goto end;
 489                         }
 490                 in=BIO_new(BIO_s_file());
 491                 if (in == NULL)
 492                         {
 493                         ERR_print_errors(bio_err);
 494                         goto end;
 495                         }
 496
 497                 if (infile == NULL)
 498                         BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
 499                 else
 500                         {
 501                         if (BIO_read_filename(in,infile) <= 0)
 502                                 {
 503                                 perror(infile);
 504                                 BIO_free(in);
 505                                 goto end;
 506                                 }
 507                         }
 508                 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 509                 BIO_free(in);
 510
 511                 if (req == NULL)
 512                         {
 513                         ERR_print_errors(bio_err);
 514                         goto end;
 515                         }
 516
 517                 if (    (req->req_info == NULL) ||
 518                         (req->req_info->pubkey == NULL) ||
 519                         (req->req_info->pubkey->public_key == NULL) ||
 520                         (req->req_info->pubkey->public_key->data == NULL))
 521                         {
 522                         BIO_printf(bio_err,"The certificate request appears to corrupted\n");
 523                         BIO_printf(bio_err,"It does not contain a public key\n");
 524                         goto end;
 525                         }
 526                 if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
 527                         {
 528                         BIO_printf(bio_err,"error unpacking public key\n");
 529                         goto end;
 530                         }
 531                 i=X509_REQ_verify(req,pkey);
 532                 EVP_PKEY_free(pkey);
 533                 if (i < 0)
 534                         {
 535                         BIO_printf(bio_err,"Signature verification error\n");
 536                         ERR_print_errors(bio_err);
 537                         goto end;
 538                         }
 539                 if (i == 0)
 540                         {
 541                         BIO_printf(bio_err,"Signature did not match the certificate request\n");
 542                         goto end;
 543                         }
 544                 else
 545                         BIO_printf(bio_err,"Signature ok\n");
 546
 547                 print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 548
 549                 if ((x=X509_new()) == NULL) goto end;
 550                 ci=x->cert_info;
 551
 552                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x),0)) goto end;
 553                 if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
 554                 if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
 555
 556                 X509_gmtime_adj(X509_get_notBefore(x),0);
 557                 X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);
 558
 559                 pkey = X509_REQ_get_pubkey(req);
 560                 X509_set_pubkey(x,pkey);
 561                 EVP_PKEY_free(pkey);
 562                 }
 563         else
 564                 x=load_cert(bio_err,infile,informat);
 565
 566         if (x == NULL) goto end;
 567         if (CA_flag)
 568                 {
 569                 xca=load_cert(bio_err,CAfile,CAformat);
 570                 if (xca == NULL) goto end;
 571                 }
 572
 573         if (!noout || text)
 574                 {
 575                 OBJ_create("2.99999.3",
 576                         "SET.ex3","SET x509v3 extension 3");
 577
 578                 out=BIO_new(BIO_s_file());
 579                 if (out == NULL)
 580                         {
 581                         ERR_print_errors(bio_err);
 582                         goto end;
 583                         }
 584                 if (outfile == NULL)
 585                         {
 586                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 587 #ifdef VMS
 588                         {
 589                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 590                         out = BIO_push(tmpbio, out);
 591                         }
 592 #endif
 593                         }
 594                 else
 595                         {
 596                         if (BIO_write_filename(out,outfile) <= 0)
 597                                 {
 598                                 perror(outfile);
 599                                 goto end;
 600                                 }
 601                         }
 602                 }
 603
 604         if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
 605
 606         if (clrtrust) X509_trust_clear(x);
 607         if (clrreject) X509_reject_clear(x);
 608
 609         if (trust)
 610                 {
 611                 for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
 612                         {
 613                         objtmp = sk_ASN1_OBJECT_value(trust, i);
 614                         X509_add1_trust_object(x, objtmp);
 615                         }
 616                 }
 617
 618         if (reject)
 619                 {
 620                 for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
 621                         {
 622                         objtmp = sk_ASN1_OBJECT_value(reject, i);
 623                         X509_add1_reject_object(x, objtmp);
 624                         }
 625                 }
 626
 627         if (num)
 628                 {
 629                 for (i=1; i<=num; i++)
 630                         {
 631                         if (issuer == i)
 632                                 {
 633                                 print_name(STDout, "issuer= ",
 634                                         X509_get_issuer_name(x), nmflag);
 635                                 }
 636                         else if (subject == i)
 637                                 {
 638                                 print_name(STDout, "subject= ",
 639                                         X509_get_subject_name(x), nmflag);
 640                                 }
 641                         else if (serial == i)
 642                                 {
 643                                 BIO_printf(STDout,"serial=");
 644                                 i2a_ASN1_INTEGER(STDout,x->cert_info->serialNumber);
 645                                 BIO_printf(STDout,"\n");
 646                                 }
 647                         else if (email == i)
 648                                 {
 649                                 int j;
 650                                 STACK *emlst;
 651                                 emlst = X509_get1_email(x);
 652                                 for (j = 0; j < sk_num(emlst); j++)
 653                                         BIO_printf(STDout, "%s\n", sk_value(emlst, j));
 654                                 X509_email_free(emlst);
 655                                 }
 656                         else if (aliasout == i)
 657                                 {
 658                                 unsigned char *alstr;
 659                                 alstr = X509_alias_get0(x, NULL);
 660                                 if (alstr) BIO_printf(STDout,"%s\n", alstr);
 661                                 else BIO_puts(STDout,"<No Alias>\n");
 662                                 }
 663                         else if (hash == i)
 664                                 {
 665                                 BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
 666                                 }
 667                         else if (pprint == i)
 668                                 {
 669                                 X509_PURPOSE *ptmp;
 670                                 int j;
 671                                 BIO_printf(STDout, "Certificate purposes:\n");
 672                                 for (j = 0; j < X509_PURPOSE_get_count(); j++)
 673                                         {
 674                                         ptmp = X509_PURPOSE_get0(j);
 675                                         purpose_print(STDout, x, ptmp);
 676                                         }
 677                                 }
 678                         else
 679                                 if (modulus == i)
 680                                 {
 681                                 EVP_PKEY *pkey;
 682
 683                                 pkey=X509_get_pubkey(x);
 684                                 if (pkey == NULL)
 685                                         {
 686                                         BIO_printf(bio_err,"Modulus=unavailable\n");
 687                                         ERR_print_errors(bio_err);
 688                                         goto end;
 689                                         }
 690                                 BIO_printf(STDout,"Modulus=");
 691 #ifndef NO_RSA
 692                                 if (pkey->type == EVP_PKEY_RSA)
 693                                         BN_print(STDout,pkey->pkey.rsa->n);
 694                                 else
 695 #endif
 696 #ifndef NO_DSA
 697                                 if (pkey->type == EVP_PKEY_DSA)
 698                                         BN_print(STDout,pkey->pkey.dsa->pub_key);
 699                                 else
 700 #endif
 701                                         BIO_printf(STDout,"Wrong Algorithm type");
 702                                 BIO_printf(STDout,"\n");
 703                                 EVP_PKEY_free(pkey);
 704                                 }
 705                         else
 706                                 if (pubkey == i)
 707                                 {
 708                                 EVP_PKEY *pkey;
 709
 710                                 pkey=X509_get_pubkey(x);
 711                                 if (pkey == NULL)
 712                                         {
 713                                         BIO_printf(bio_err,"Error getting public key\n");
 714                                         ERR_print_errors(bio_err);
 715                                         goto end;
 716                                         }
 717                                 PEM_write_bio_PUBKEY(STDout, pkey);
 718                                 EVP_PKEY_free(pkey);
 719                                 }
 720                         else
 721                                 if (C == i)
 722                                 {
 723                                 unsigned char *d;
 724                                 char *m;
 725                                 int y,z;
 726
 727                                 X509_NAME_oneline(X509_get_subject_name(x),
 728                                         buf,256);
 729                                 BIO_printf(STDout,"/* subject:%s */\n",buf);
 730                                 m=X509_NAME_oneline(
 731                                         X509_get_issuer_name(x),buf,256);
 732                                 BIO_printf(STDout,"/* issuer :%s */\n",buf);
 733
 734                                 z=i2d_X509(x,NULL);
 735                                 m=OPENSSL_malloc(z);
 736
 737                                 d=(unsigned char *)m;
 738                                 z=i2d_X509_NAME(X509_get_subject_name(x),&d);
 739                                 BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
 740                                 d=(unsigned char *)m;
 741                                 for (y=0; y<z; y++)
 742                                         {
 743                                         BIO_printf(STDout,"0x%02X,",d[y]);
 744                                         if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
 745                                         }
 746                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 747                                 BIO_printf(STDout,"};\n");
 748
 749                                 z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
 750                                 BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
 751                                 d=(unsigned char *)m;
 752                                 for (y=0; y<z; y++)
 753                                         {
 754                                         BIO_printf(STDout,"0x%02X,",d[y]);
 755                                         if ((y & 0x0f) == 0x0f)
 756                                                 BIO_printf(STDout,"\n");
 757                                         }
 758                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 759                                 BIO_printf(STDout,"};\n");
 760
 761                                 z=i2d_X509(x,&d);
 762                                 BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
 763                                 d=(unsigned char *)m;
 764                                 for (y=0; y<z; y++)
 765                                         {
 766                                         BIO_printf(STDout,"0x%02X,",d[y]);
 767                                         if ((y & 0x0f) == 0x0f)
 768                                                 BIO_printf(STDout,"\n");
 769                                         }
 770                                 if (y%16 != 0) BIO_printf(STDout,"\n");
 771                                 BIO_printf(STDout,"};\n");
 772
 773                                 OPENSSL_free(m);
 774                                 }
 775                         else if (text == i)
 776                                 {
 777                                 X509_print(out,x);
 778                                 }
 779                         else if (startdate == i)
 780                                 {
 781                                 BIO_puts(STDout,"notBefore=");
 782                                 ASN1_TIME_print(STDout,X509_get_notBefore(x));
 783                                 BIO_puts(STDout,"\n");
 784                                 }
 785                         else if (enddate == i)
 786                                 {
 787                                 BIO_puts(STDout,"notAfter=");
 788                                 ASN1_TIME_print(STDout,X509_get_notAfter(x));
 789                                 BIO_puts(STDout,"\n");
 790                                 }
 791                         else if (fingerprint == i)
 792                                 {
 793                                 int j;
 794                                 unsigned int n;
 795                                 unsigned char md[EVP_MAX_MD_SIZE];
 796
 797                                 if (!X509_digest(x,digest,md,&n))
 798                                         {
 799                                         BIO_printf(bio_err,"out of memory\n");
 800                                         goto end;
 801                                         }
 802                                 BIO_printf(STDout,"%s Fingerprint=",
 803                                                 OBJ_nid2sn(EVP_MD_type(digest)));
 804                                 for (j=0; j<(int)n; j++)
 805                                         {
 806                                         BIO_printf(STDout,"%02X%c",md[j],
 807                                                 (j+1 == (int)n)
 808                                                 ?'\n':':');
 809                                         }
 810                                 }
 811
 812                         /* should be in the library */
 813                         else if ((sign_flag == i) && (x509req == 0))
 814                                 {
 815                                 BIO_printf(bio_err,"Getting Private key\n");
 816                                 if (Upkey == NULL)
 817                                         {
 818                                         Upkey=load_key(bio_err,
 819                                                 keyfile,keyformat, passin);
 820                                         if (Upkey == NULL) goto end;
 821                                         }
 822 #ifndef NO_DSA
 823                                 if (Upkey->type == EVP_PKEY_DSA)
 824                                         digest=EVP_dss1();
 825 #endif
 826
 827                                 assert(need_rand);
 828                                 if (!sign(x,Upkey,days,clrext,digest,
 829                                                  extconf, extsect)) goto end;
 830                                 }
 831                         else if (CA_flag == i)
 832                                 {
 833                                 BIO_printf(bio_err,"Getting CA Private Key\n");
 834                                 if (CAkeyfile != NULL)
 835                                         {
 836                                         CApkey=load_key(bio_err,
 837                                                 CAkeyfile,CAkeyformat, passin);
 838                                         if (CApkey == NULL) goto end;
 839                                         }
 840 #ifndef NO_DSA
 841                                 if (CApkey->type == EVP_PKEY_DSA)
 842                                         digest=EVP_dss1();
 843 #endif
 844
 845                                 assert(need_rand);
 846                                 if (!x509_certify(ctx,CAfile,digest,x,xca,
 847                                         CApkey, CAserial,CA_createserial,days, clrext,
 848                                         extconf, extsect))
 849                                         goto end;
 850                                 }
 851                         else if (x509req == i)
 852                                 {
 853                                 EVP_PKEY *pk;
 854
 855                                 BIO_printf(bio_err,"Getting request Private Key\n");
 856                                 if (keyfile == NULL)
 857                                         {
 858                                         BIO_printf(bio_err,"no request key file specified\n");
 859                                         goto end;
 860                                         }
 861                                 else
 862                                         {
 863                                         pk=load_key(bio_err,
 864                                                 keyfile,FORMAT_PEM, passin);
 865                                         if (pk == NULL) goto end;
 866                                         }
 867
 868                                 BIO_printf(bio_err,"Generating certificate request\n");
 869
 870                                 if (pk->type == EVP_PKEY_DSA)
 871                                         digest=EVP_dss1();
 872
 873                                 rq=X509_to_X509_REQ(x,pk,digest);
 874                                 EVP_PKEY_free(pk);
 875                                 if (rq == NULL)
 876                                         {
 877                                         ERR_print_errors(bio_err);
 878                                         goto end;
 879                                         }
 880                                 if (!noout)
 881                                         {
 882                                         X509_REQ_print(out,rq);
 883                                         PEM_write_bio_X509_REQ(out,rq);
 884                                         }
 885                                 noout=1;
 886                                 }
 887                         }
 888                 }
 889
 890         if (checkend)
 891                 {
 892                 time_t tnow=time(NULL);
 893
 894                 if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x), tnow+checkoffset) == -1)
 895                         {
 896                         BIO_printf(out,"Certificate will expire\n");
 897                         ret=1;
 898                         }
 899                 else
 900                         {
 901                         BIO_printf(out,"Certificate will not expire\n");
 902                         ret=0;
 903                         }
 904                 goto end;
 905                 }
 906
 907         if (noout)
 908                 {
 909                 ret=0;
 910                 goto end;
 911                 }
 912
 913         if      (outformat == FORMAT_ASN1)
 914                 i=i2d_X509_bio(out,x);
 915         else if (outformat == FORMAT_PEM)
 916                 {
 917                 if (trustout) i=PEM_write_bio_X509_AUX(out,x);
 918                 else i=PEM_write_bio_X509(out,x);
 919                 }
 920         else if (outformat == FORMAT_NETSCAPE)
 921                 {
 922                 ASN1_HEADER ah;
 923                 ASN1_OCTET_STRING os;
 924
 925                 os.data=(unsigned char *)NETSCAPE_CERT_HDR;
 926                 os.length=strlen(NETSCAPE_CERT_HDR);
 927                 ah.header= &os;
 928                 ah.data=(char *)x;
 929                 ah.meth=X509_asn1_meth();
 930
 931                 /* no macro for this one yet */
 932                 i=ASN1_i2d_bio(i2d_ASN1_HEADER,out,(unsigned char *)&ah);
 933                 }
 934         else    {
 935                 BIO_printf(bio_err,"bad output format specified for outfile\n");
 936                 goto end;
 937                 }
 938         if (!i)
 939                 {
 940                 BIO_printf(bio_err,"unable to write certificate\n");
 941                 ERR_print_errors(bio_err);
 942                 goto end;
 943                 }
 944         ret=0;
 945 end:
 946         if (need_rand)
 947                 app_RAND_write_file(NULL, bio_err);
 948         OBJ_cleanup();
 949         CONF_free(extconf);
 950         BIO_free_all(out);
 951         BIO_free_all(STDout);
 952         X509_STORE_free(ctx);
 953         X509_REQ_free(req);
 954         X509_free(x);
 955         X509_free(xca);
 956         EVP_PKEY_free(Upkey);
 957         EVP_PKEY_free(CApkey);
 958         X509_REQ_free(rq);
 959         sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
 960         sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
 961         if (passin) OPENSSL_free(passin);
 962         EXIT(ret);
 963         }
 964
 965 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
 966              X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
 967              int days, int clrext, LHASH *conf, char *section)
 968         {
 969         int ret=0;
 970         BIO *io=NULL;
 971         MS_STATIC char buf2[1024];
 972         char *buf=NULL,*p;
 973         BIGNUM *serial=NULL;
 974         ASN1_INTEGER *bs=NULL,bs2;
 975         X509_STORE_CTX xsc;
 976         EVP_PKEY *upkey;
 977
 978         upkey = X509_get_pubkey(xca);
 979         EVP_PKEY_copy_parameters(upkey,pkey);
 980         EVP_PKEY_free(upkey);
 981
 982         X509_STORE_CTX_init(&xsc,ctx,x,NULL);
 983         buf=OPENSSL_malloc(EVP_PKEY_size(pkey)*2+
 984                 ((serialfile == NULL)
 985                         ?(strlen(CAfile)+strlen(POSTFIX)+1)
 986                         :(strlen(serialfile)))+1);
 987         if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
 988         if (serialfile == NULL)
 989                 {
 990                 strcpy(buf,CAfile);
 991                 for (p=buf; *p; p++)
 992                         if (*p == '.')
 993                                 {
 994                                 *p='\0';
 995                                 break;
 996                                 }
 997                 strcat(buf,POSTFIX);
 998                 }
 999         else
1000                 strcpy(buf,serialfile);
1001         serial=BN_new();
1002         bs=ASN1_INTEGER_new();
1003         if ((serial == NULL) || (bs == NULL))
1004                 {
1005                 ERR_print_errors(bio_err);
1006                 goto end;
1007                 }
1008
1009         io=BIO_new(BIO_s_file());
1010         if (io == NULL)
1011                 {
1012                 ERR_print_errors(bio_err);
1013                 goto end;
1014                 }
1015
1016         if (BIO_read_filename(io,buf) <= 0)
1017                 {
1018                 if (!create)
1019                         {
1020                         perror(buf);
1021                         goto end;
1022                         }
1023                 else
1024                         {
1025                         ASN1_INTEGER_set(bs,1);
1026                         BN_one(serial);
1027                         }
1028                 }
1029         else
1030                 {
1031                 if (!a2i_ASN1_INTEGER(io,bs,buf2,1024))
1032                         {
1033                         BIO_printf(bio_err,"unable to load serial number from %s\n",buf);
1034                         ERR_print_errors(bio_err);
1035                         goto end;
1036                         }
1037                 else
1038                         {
1039                         serial=BN_bin2bn(bs->data,bs->length,serial);
1040                         if (serial == NULL)
1041                                 {
1042                                 BIO_printf(bio_err,"error converting bin 2 bn");
1043                                 goto end;
1044                                 }
1045                         }
1046                 }
1047
1048         if (!BN_add_word(serial,1))
1049                 { BIO_printf(bio_err,"add_word failure\n"); goto end; }
1050         bs2.data=(unsigned char *)buf2;
1051         bs2.length=BN_bn2bin(serial,bs2.data);
1052
1053         if (BIO_write_filename(io,buf) <= 0)
1054                 {
1055                 BIO_printf(bio_err,"error attempting to write serial number file\n");
1056                 perror(buf);
1057                 goto end;
1058                 }
1059         i2a_ASN1_INTEGER(io,&bs2);
1060         BIO_puts(io,"\n");
1061         BIO_free(io);
1062         io=NULL;
1063
1064         if (!X509_STORE_add_cert(ctx,x)) goto end;
1065
1066         /* NOTE: this certificate can/should be self signed, unless it was
1067          * a certificate request in which case it is not. */
1068         X509_STORE_CTX_set_cert(&xsc,x);
1069         if (!reqfile && !X509_verify_cert(&xsc))
1070                 goto end;
1071
1072         if (!X509_check_private_key(xca,pkey))
1073                 {
1074                 BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
1075                 goto end;
1076                 }
1077
1078         if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
1079         if (!X509_set_serialNumber(x,bs)) goto end;
1080
1081         if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
1082                 goto end;
1083
1084         /* hardwired expired */
1085         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1086                 goto end;
1087
1088         if (clrext)
1089                 {
1090                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1091                 }
1092
1093         if (conf)
1094                 {
1095                 X509V3_CTX ctx2;
1096                 X509_set_version(x,2); /* version 3 certificate */
1097                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
1098                 X509V3_set_conf_lhash(&ctx2, conf);
1099                 if (!X509V3_EXT_add_conf(conf, &ctx2, section, x)) goto end;
1100                 }
1101
1102         if (!X509_sign(x,pkey,digest)) goto end;
1103         ret=1;
1104 end:
1105         X509_STORE_CTX_cleanup(&xsc);
1106         if (!ret)
1107                 ERR_print_errors(bio_err);
1108         if (buf != NULL) OPENSSL_free(buf);
1109         if (bs != NULL) ASN1_INTEGER_free(bs);
1110         if (io != NULL) BIO_free(io);
1111         if (serial != NULL) BN_free(serial);
1112         return ret;
1113         }
1114
1115 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
1116         {
1117         int err;
1118         X509 *err_cert;
1119
1120         /* it is ok to use a self signed certificate
1121          * This case will catch both the initial ok == 0 and the
1122          * final ok == 1 calls to this function */
1123         err=X509_STORE_CTX_get_error(ctx);
1124         if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
1125                 return 1;
1126
1127         /* BAD we should have gotten an error.  Normally if everything
1128          * worked X509_STORE_CTX_get_error(ctx) will still be set to
1129          * DEPTH_ZERO_SELF_.... */
1130         if (ok)
1131                 {
1132                 BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
1133                 return 0;
1134                 }
1135         else
1136                 {
1137                 err_cert=X509_STORE_CTX_get_current_cert(ctx);
1138                 print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
1139                 BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
1140                         err,X509_STORE_CTX_get_error_depth(ctx),
1141                         X509_verify_cert_error_string(err));
1142                 return 1;
1143                 }
1144         }
1145
1146 /* self sign */
1147 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
1148                                                 LHASH *conf, char *section)
1149         {
1150
1151         EVP_PKEY *pktmp;
1152
1153         pktmp = X509_get_pubkey(x);
1154         EVP_PKEY_copy_parameters(pktmp,pkey);
1155         EVP_PKEY_save_parameters(pktmp,1);
1156         EVP_PKEY_free(pktmp);
1157
1158         if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
1159         if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
1160
1161         /* Lets just make it 12:00am GMT, Jan 1 1970 */
1162         /* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
1163         /* 28 days to be certified */
1164
1165         if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
1166                 goto err;
1167
1168         if (!X509_set_pubkey(x,pkey)) goto err;
1169         if (clrext)
1170                 {
1171                 while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
1172                 }
1173         if (conf)
1174                 {
1175                 X509V3_CTX ctx;
1176                 X509_set_version(x,2); /* version 3 certificate */
1177                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
1178                 X509V3_set_conf_lhash(&ctx, conf);
1179                 if (!X509V3_EXT_add_conf(conf, &ctx, section, x)) goto err;
1180                 }
1181         if (!X509_sign(x,pkey,digest)) goto err;
1182         return 1;
1183 err:
1184         ERR_print_errors(bio_err);
1185         return 0;
1186         }
1187
1188 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
1189 {
1190         int id, i, idret;
1191         char *pname;
1192         id = X509_PURPOSE_get_id(pt);
1193         pname = X509_PURPOSE_get0_name(pt);
1194         for (i = 0; i < 2; i++)
1195                 {
1196                 idret = X509_check_purpose(cert, id, i);
1197                 BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
1198                 if (idret == 1) BIO_printf(bio, "Yes\n");
1199                 else if (idret == 0) BIO_printf(bio, "No\n");
1200                 else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
1201                 }
1202         return 1;
1203 }
1204
1205
1206