apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1997 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 <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef WIN16
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include "bio.h"
  68 #include "evp.h"
  69 #include "rand.h"
  70 #include "conf.h"
  71 #include "err.h"
  72 #include "asn1.h"
  73 #include "x509.h"
  74 #include "objects.h"
  75 #include "pem.h"
  76
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define DISTINGUISHED_NAME      "distinguished_name"
  82 #define ATTRIBUTES      "attributes"
  83
  84 #define DEFAULT_KEY_LENGTH      512
  85 #define MIN_KEY_LENGTH          384
  86
  87 #undef PROG
  88 #define PROG    req_main
  89
  90 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
  91  * -outform arg - output format - default PEM
  92  * -in arg      - input file - default stdin
  93  * -out arg     - output file - default stdout
  94  * -verify      - check request signature
  95  * -noout       - don't print stuff out.
  96  * -text        - print out human readable text.
  97  * -nodes       - no des encryption
  98  * -config file - Load configuration file.
  99  * -key file    - make a request using key in file (or use it for verification).
 100  * -keyform     - key file format.
 101  * -newkey      - make a key and a request.
 102  * -modulus     - print RSA modulus.
 103  * -x509        - output a self signed X509 structure instead.
 104  * -asn1-kludge - output new certificate request in a format that some CA's
 105  *                require.  This format is wrong
 106  */
 107
 108 #ifndef NOPROTO
 109 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
 110 static int add_attribute_object(STACK *n, char *text, char *def,
 111         char *value, int nid,int min,int max);
 112 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 113         int nid,int min,int max);
 114 static void MS_CALLBACK req_cb(int p,int n);
 115 static int req_fix_data(int nid,int *type,int len,int min,int max);
 116 #else
 117 static int make_REQ();
 118 static int add_attribute_object();
 119 static int add_DN_object();
 120 static void MS_CALLBACK req_cb();
 121 static int req_fix_data();
 122 #endif
 123
 124 #ifndef MONOLITH
 125 static char *default_config_file=NULL;
 126 static LHASH *config=NULL;
 127 #endif
 128 static LHASH *req_conf=NULL;
 129
 130 #define TYPE_RSA        1
 131 #define TYPE_DSA        2
 132 #define TYPE_DH         3
 133
 134 int MAIN(argc, argv)
 135 int argc;
 136 char **argv;
 137         {
 138         DSA *dsa_params=NULL;
 139         int ex=1,x509=0,days=30;
 140         X509 *x509ss=NULL;
 141         X509_REQ *req=NULL;
 142         EVP_PKEY *pkey=NULL;
 143         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 144         BIO *in=NULL,*out=NULL;
 145         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 146         int nodes=0,kludge=0;
 147         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 148         EVP_CIPHER *cipher=NULL;
 149         int modulus=0;
 150         char *p;
 151         EVP_MD *md_alg=NULL,*digest=EVP_md5();
 152 #ifndef MONOLITH
 153         MS_STATIC char config_name[256];
 154 #endif
 155
 156 #ifndef NO_DES
 157         cipher=EVP_des_ede3_cbc();
 158 #endif
 159         apps_startup();
 160
 161         if (bio_err == NULL)
 162                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 163                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
 164
 165         infile=NULL;
 166         outfile=NULL;
 167         informat=FORMAT_PEM;
 168         outformat=FORMAT_PEM;
 169
 170         prog=argv[0];
 171         argc--;
 172         argv++;
 173         while (argc >= 1)
 174                 {
 175                 if      (strcmp(*argv,"-inform") == 0)
 176                         {
 177                         if (--argc < 1) goto bad;
 178                         informat=str2fmt(*(++argv));
 179                         }
 180                 else if (strcmp(*argv,"-outform") == 0)
 181                         {
 182                         if (--argc < 1) goto bad;
 183                         outformat=str2fmt(*(++argv));
 184                         }
 185                 else if (strcmp(*argv,"-key") == 0)
 186                         {
 187                         if (--argc < 1) goto bad;
 188                         keyfile= *(++argv);
 189                         }
 190                 else if (strcmp(*argv,"-new") == 0)
 191                         {
 192                         pkey_type=TYPE_RSA;
 193                         newreq=1;
 194                         }
 195                 else if (strcmp(*argv,"-config") == 0)
 196                         {
 197                         if (--argc < 1) goto bad;
 198                         template= *(++argv);
 199                         }
 200                 else if (strcmp(*argv,"-keyform") == 0)
 201                         {
 202                         if (--argc < 1) goto bad;
 203                         keyform=str2fmt(*(++argv));
 204                         }
 205                 else if (strcmp(*argv,"-in") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         infile= *(++argv);
 209                         }
 210                 else if (strcmp(*argv,"-out") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         outfile= *(++argv);
 214                         }
 215                 else if (strcmp(*argv,"-keyout") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         keyout= *(++argv);
 219                         }
 220                 else if (strcmp(*argv,"-newkey") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         p= *(++argv);
 224                         if ((strncmp("rsa:",p,4) == 0) ||
 225                                 ((p[0] >= '0') && (p[0] <= '9')))
 226                                 {
 227                                 pkey_type=TYPE_RSA;
 228                                 p+=4;
 229                                 newkey= atoi(p);
 230                                 }
 231                         else if (strncmp("dsa:",p,4) == 0)
 232                                 {
 233                                 X509 *xtmp=NULL;
 234                                 EVP_PKEY *dtmp;
 235
 236                                 pkey_type=TYPE_DSA;
 237                                 p+=4;
 238                                 if ((in=BIO_new_file(p,"r")) == NULL)
 239                                         {
 240                                         perror(p);
 241                                         goto end;
 242                                         }
 243                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 244                                         {
 245                                         ERR_clear_error();
 246                                         BIO_reset(in);
 247                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 248                                                 {
 249                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 250                                                 goto end;
 251                                                 }
 252                                         dtmp=X509_get_pubkey(xtmp);
 253                                         if (dtmp->type == EVP_PKEY_DSA)
 254                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 255                                         X509_free(xtmp);
 256                                         if (dsa_params == NULL)
 257                                                 {
 258                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 259                                                 goto end;
 260                                                 }
 261
 262                                         }
 263                                 BIO_free(in);
 264                                 newkey=BN_num_bits(dsa_params->p);
 265                                 in=NULL;
 266                                 }
 267                         else if (strncmp("dh:",p,4) == 0)
 268                                 {
 269                                 pkey_type=TYPE_DH;
 270                                 p+=3;
 271                                 }
 272                         else
 273                                 pkey_type=TYPE_RSA;
 274
 275                         newreq=1;
 276                         }
 277                 else if (strcmp(*argv,"-modulus") == 0)
 278                         modulus=1;
 279                 else if (strcmp(*argv,"-verify") == 0)
 280                         verify=1;
 281                 else if (strcmp(*argv,"-nodes") == 0)
 282                         nodes=1;
 283                 else if (strcmp(*argv,"-noout") == 0)
 284                         noout=1;
 285                 else if (strcmp(*argv,"-text") == 0)
 286                         text=1;
 287                 else if (strcmp(*argv,"-x509") == 0)
 288                         x509=1;
 289                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 290                         kludge=1;
 291                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 292                         kludge=0;
 293                 else if (strcmp(*argv,"-days") == 0)
 294                         {
 295                         if (--argc < 1) goto bad;
 296                         days= atoi(*(++argv));
 297                         if (days == 0) days=30;
 298                         }
 299                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 300                         {
 301                         /* ok */
 302                         digest=md_alg;
 303                         }
 304                 else
 305
 306                         {
 307                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 308                         badops=1;
 309                         break;
 310                         }
 311                 argc--;
 312                 argv++;
 313                 }
 314
 315         if (badops)
 316                 {
 317 bad:
 318                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 319                 BIO_printf(bio_err,"where options  are\n");
 320                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 321                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 322                 BIO_printf(bio_err," -in arg        inout file\n");
 323                 BIO_printf(bio_err," -out arg       output file\n");
 324                 BIO_printf(bio_err," -text          text form of request\n");
 325                 BIO_printf(bio_err," -noout         do not output REQ\n");
 326                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 327                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 328                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 329                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 330                 BIO_printf(bio_err," -keyform arg   key file format\n");
 331                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 332                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 333                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 334
 335                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 336                 BIO_printf(bio_err," -config file   request templace file.\n");
 337                 BIO_printf(bio_err," -new           new request.\n");
 338                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 339                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 340                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 341                 BIO_printf(bio_err,"                have been reported as requiring\n");
 342                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 343                 goto end;
 344                 }
 345
 346         ERR_load_crypto_strings();
 347
 348 #ifndef MONOLITH
 349         /* Lets load up our environment a little */
 350         p=getenv("SSLEAY_CONF");
 351         if (p == NULL)
 352                 {
 353                 strcpy(config_name,X509_get_default_cert_area());
 354                 strcat(config_name,"/lib/");
 355                 strcat(config_name,SSLEAY_CONF);
 356                 p=config_name;
 357                 }
 358         default_config_file=p;
 359         config=CONF_load(config,p,NULL);
 360 #endif
 361
 362         if (template != NULL)
 363                 {
 364                 long errline;
 365
 366                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 367                 req_conf=CONF_load(NULL,template,&errline);
 368                 if (req_conf == NULL)
 369                         {
 370                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 371                         goto end;
 372                         }
 373                 }
 374         else
 375                 {
 376                 req_conf=config;
 377                 BIO_printf(bio_err,"Using configuration from %s\n",
 378                         default_config_file);
 379                 if (req_conf == NULL)
 380                         {
 381                         BIO_printf(bio_err,"Unable to load config info\n");
 382                         }
 383                 }
 384
 385         if ((md_alg == NULL) &&
 386                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 387                 {
 388                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 389                         digest=md_alg;
 390                 }
 391
 392         in=BIO_new(BIO_s_file());
 393         out=BIO_new(BIO_s_file());
 394         if ((in == NULL) || (out == NULL))
 395                 goto end;
 396
 397         if (keyfile != NULL)
 398                 {
 399                 if (BIO_read_filename(in,keyfile) <= 0)
 400                         {
 401                         perror(keyfile);
 402                         goto end;
 403                         }
 404
 405 /*              if (keyform == FORMAT_ASN1)
 406                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 407                 else */
 408                 if (keyform == FORMAT_PEM)
 409                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 410                 else
 411                         {
 412                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 413                         goto end;
 414                         }
 415
 416                 if (pkey == NULL)
 417                         {
 418                         BIO_printf(bio_err,"unable to load Private key\n");
 419                         goto end;
 420                         }
 421                 }
 422
 423         if (newreq && (pkey == NULL))
 424                 {
 425                 char *randfile;
 426                 char buffer[200];
 427
 428                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 429                         randfile=RAND_file_name(buffer,200);
 430 #ifdef WINDOWS
 431                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 432                 BIO_flush(bio_err);
 433                 RAND_screen();
 434                 BIO_printf(bio_err," done\n");
 435 #endif
 436                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 437                         {
 438                         BIO_printf(bio_err,"unable to load 'random state'\n");
 439                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 440                         BIO_printf(bio_err,"with much random data.\n");
 441                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 442                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 443                         }
 444                 if (newkey <= 0)
 445                         {
 446                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 447                         if (newkey <= 0)
 448                                 newkey=DEFAULT_KEY_LENGTH;
 449                         }
 450
 451                 if (newkey < MIN_KEY_LENGTH)
 452                         {
 453                         BIO_printf(bio_err,"private key length is too short,\n");
 454                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 455                         goto end;
 456                         }
 457                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 458                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 459
 460                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 461
 462 #ifndef NO_RSA
 463                 if (pkey_type == TYPE_RSA)
 464                         {
 465                         if (!EVP_PKEY_assign_RSA(pkey,
 466                                 RSA_generate_key(newkey,0x10001,req_cb)))
 467                                 goto end;
 468                         }
 469                 else
 470 #endif
 471 #ifndef NO_DSA
 472                         if (pkey_type == TYPE_DSA)
 473                         {
 474                         if (!DSA_generate_key(dsa_params)) goto end;
 475                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 476                         dsa_params=NULL;
 477                         }
 478 #endif
 479
 480                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 481                         BIO_printf(bio_err,"unable to write 'random state'\n");
 482
 483                 if (pkey == NULL) goto end;
 484
 485                 if (keyout == NULL)
 486                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 487
 488                 if (keyout == NULL)
 489                         {
 490                         BIO_printf(bio_err,"writing new private key to stdout\n");
 491                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 492                         }
 493                 else
 494                         {
 495                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 496                         if (BIO_write_filename(out,keyout) <= 0)
 497                                 {
 498                                 perror(keyout);
 499                                 goto end;
 500                                 }
 501                         }
 502
 503                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 504                 if (p == NULL)
 505                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 506                 if ((p != NULL) && (strcmp(p,"no") == 0))
 507                         cipher=NULL;
 508                 if (nodes) cipher=NULL;
 509
 510                 i=0;
 511 loop:
 512                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 513                         NULL,0,NULL))
 514                         {
 515                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 516                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 517                                 {
 518                                 ERR_clear_error();
 519                                 i++;
 520                                 goto loop;
 521                                 }
 522                         goto end;
 523                         }
 524                 BIO_printf(bio_err,"-----\n");
 525                 }
 526
 527         if (!newreq)
 528                 {
 529                 /* Since we are using a pre-existing certificate
 530                  * request, the kludge 'format' info should not be
 531                  * changed. */
 532                 kludge= -1;
 533                 if (infile == NULL)
 534                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 535                 else
 536                         {
 537                         if (BIO_read_filename(in,infile) <= 0)
 538                                 {
 539                                 perror(infile);
 540                                 goto end;
 541                                 }
 542                         }
 543
 544                 if      (informat == FORMAT_ASN1)
 545                         req=d2i_X509_REQ_bio(in,NULL);
 546                 else if (informat == FORMAT_PEM)
 547                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 548                 else
 549                         {
 550                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 551                         goto end;
 552                         }
 553                 if (req == NULL)
 554                         {
 555                         BIO_printf(bio_err,"unable to load X509 request\n");
 556                         goto end;
 557                         }
 558                 }
 559
 560         if (newreq || x509)
 561                 {
 562                 if (pkey->type == EVP_PKEY_DSA)
 563                         digest=EVP_dss1();
 564
 565                 if (pkey == NULL)
 566                         {
 567                         BIO_printf(bio_err,"you need to specify a private key\n");
 568                         goto end;
 569                         }
 570                 if (req == NULL)
 571                         {
 572                         req=X509_REQ_new();
 573                         if (req == NULL)
 574                                 {
 575                                 goto end;
 576                                 }
 577
 578                         i=make_REQ(req,pkey,!x509);
 579                         if (kludge >= 0)
 580                                 req->req_info->req_kludge=kludge;
 581                         if (!i)
 582                                 {
 583                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 584                                 goto end;
 585                                 }
 586                         }
 587                 if (x509)
 588                         {
 589                         if ((x509ss=X509_new()) == NULL) goto end;
 590
 591                         /* don't set the version number, for starters
 592                          * the field is null and second, null is v0
 593                          * if (!ASN1_INTEGER_set(ci->version,0L)) goto end;
 594                          */
 595                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 596
 597                         X509_set_issuer_name(x509ss,
 598                                 X509_REQ_get_subject_name(req));
 599                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 600                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 601                                 (long)60*60*24*days);
 602                         X509_set_subject_name(x509ss,
 603                                 X509_REQ_get_subject_name(req));
 604                         X509_set_pubkey(x509ss,X509_REQ_get_pubkey(req));
 605
 606                         if (!(i=X509_sign(x509ss,pkey,digest)))
 607                                 goto end;
 608                         }
 609                 else
 610                         {
 611                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 612                                 goto end;
 613                         }
 614                 }
 615
 616         if (verify && !x509)
 617                 {
 618                 int tmp=0;
 619
 620                 if (pkey == NULL)
 621                         {
 622                         pkey=X509_REQ_get_pubkey(req);
 623                         tmp=1;
 624                         if (pkey == NULL) goto end;
 625                         }
 626
 627                 i=X509_REQ_verify(req,pkey);
 628                 if (tmp) pkey=NULL;
 629
 630                 if (i < 0)
 631                         {
 632                         goto end;
 633                         }
 634                 else if (i == 0)
 635                         {
 636                         BIO_printf(bio_err,"verify failure\n");
 637                         }
 638                 else /* if (i > 0) */
 639                         BIO_printf(bio_err,"verify OK\n");
 640                 }
 641
 642         if (noout && !text && !modulus)
 643                 {
 644                 ex=0;
 645                 goto end;
 646                 }
 647
 648         if (outfile == NULL)
 649                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 650         else
 651                 {
 652                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 653                         i=(int)BIO_append_filename(out,outfile);
 654                 else
 655                         i=(int)BIO_write_filename(out,outfile);
 656                 if (!i)
 657                         {
 658                         perror(outfile);
 659                         goto end;
 660                         }
 661                 }
 662
 663         if (text)
 664                 {
 665                 if (x509)
 666                         X509_print(out,x509ss);
 667                 else
 668                         X509_REQ_print(out,req);
 669                 }
 670
 671         if (modulus)
 672                 {
 673                 EVP_PKEY *pubkey;
 674
 675                 if (x509)
 676                         pubkey=X509_get_pubkey(x509ss);
 677                 else
 678                         pubkey=X509_REQ_get_pubkey(req);
 679                 if (pubkey == NULL)
 680                         {
 681                         fprintf(stdout,"Modulus=unavailable\n");
 682                         goto end;
 683                         }
 684                 fprintf(stdout,"Modulus=");
 685                 if (pubkey->type == EVP_PKEY_RSA)
 686                         BN_print(out,pubkey->pkey.rsa->n);
 687                 else
 688                         fprintf(stdout,"Wrong Algorithm type");
 689                 fprintf(stdout,"\n");
 690                 }
 691
 692         if (!noout && !x509)
 693                 {
 694                 if      (outformat == FORMAT_ASN1)
 695                         i=i2d_X509_REQ_bio(out,req);
 696                 else if (outformat == FORMAT_PEM)
 697                         i=PEM_write_bio_X509_REQ(out,req);
 698                 else    {
 699                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 700                         goto end;
 701                         }
 702                 if (!i)
 703                         {
 704                         BIO_printf(bio_err,"unable to write X509 request\n");
 705                         goto end;
 706                         }
 707                 }
 708         if (!noout && x509 && (x509ss != NULL))
 709                 {
 710                 if      (outformat == FORMAT_ASN1)
 711                         i=i2d_X509_bio(out,x509ss);
 712                 else if (outformat == FORMAT_PEM)
 713                         i=PEM_write_bio_X509(out,x509ss);
 714                 else    {
 715                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 716                         goto end;
 717                         }
 718                 if (!i)
 719                         {
 720                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 721                         goto end;
 722                         }
 723                 }
 724         ex=0;
 725 end:
 726         if (ex)
 727                 {
 728                 ERR_print_errors(bio_err);
 729                 }
 730         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 731         if (in != NULL) BIO_free(in);
 732         if (out != NULL) BIO_free(out);
 733         if (pkey != NULL) EVP_PKEY_free(pkey);
 734         if (req != NULL) X509_REQ_free(req);
 735         if (x509ss != NULL) X509_free(x509ss);
 736         if (dsa_params != NULL) DSA_free(dsa_params);
 737         EXIT(ex);
 738         }
 739
 740 static int make_REQ(req,pkey,attribs)
 741 X509_REQ *req;
 742 EVP_PKEY *pkey;
 743 int attribs;
 744         {
 745         int ret=0,i,j;
 746         unsigned char *p;
 747         X509_REQ_INFO *ri;
 748         char buf[100];
 749         int nid,min,max;
 750         char *type,*def,*tmp,*value,*tmp_attr;
 751         STACK *sk,*attr=NULL;
 752         CONF_VALUE *v;
 753
 754         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 755         if (tmp == NULL)
 756                 {
 757                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 758                         DISTINGUISHED_NAME);
 759                 goto err;
 760                 }
 761         sk=CONF_get_section(req_conf,tmp);
 762         if (sk == NULL)
 763                 {
 764                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 765                 goto err;
 766                 }
 767
 768         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 769         if (tmp_attr == NULL)
 770                 attr=NULL;
 771         else
 772                 {
 773                 attr=CONF_get_section(req_conf,tmp_attr);
 774                 if (attr == NULL)
 775                         {
 776                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 777                         goto err;
 778                         }
 779                 }
 780
 781         ri=req->req_info;
 782
 783         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 784         BIO_printf(bio_err,"into your certificate request.\n");
 785         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 786         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 787         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 788         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 789         BIO_printf(bio_err,"-----\n");
 790
 791         /* setup version number */
 792         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 793
 794         if (sk_num(sk))
 795                 {
 796                 i= -1;
 797 start:          for (;;)
 798                         {
 799                         i++;
 800                         if ((int)sk_num(sk) <= i) break;
 801
 802                         v=(CONF_VALUE *)sk_value(sk,i);
 803                         p=NULL;
 804                         type=v->name;
 805                         for (j=0; type[j] != '\0'; j++)
 806                                 {
 807                                 if (    (type[j] == ':') ||
 808                                         (type[j] == ',') ||
 809                                         (type[j] == '.'))
 810                                         p= (unsigned char *)&(type[j+1]);
 811                                 }
 812                         if (p != NULL)
 813                                 type=(char *)p;
 814                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
 815                                 goto start;
 816
 817                         sprintf(buf,"%s_default",v->name);
 818                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 819                                 def="";
 820
 821                         sprintf(buf,"%s_value",v->name);
 822                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 823                                 value=NULL;
 824
 825                         sprintf(buf,"%s_min",v->name);
 826                         min=(int)CONF_get_number(req_conf,tmp,buf);
 827
 828                         sprintf(buf,"%s_max",v->name);
 829                         max=(int)CONF_get_number(req_conf,tmp,buf);
 830
 831                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 832                                 min,max))
 833                                 goto err;
 834                         }
 835                 if (sk_num(ri->subject->entries) == 0)
 836                         {
 837                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 838                         goto err;
 839                         }
 840
 841                 if (attribs)
 842                         {
 843                         if ((attr != NULL) && (sk_num(attr) > 0))
 844                                 {
 845                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 846                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 847                                 }
 848
 849                         i= -1;
 850 start2:                 for (;;)
 851                                 {
 852                                 i++;
 853                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 854                                         break;
 855
 856                                 v=(CONF_VALUE *)sk_value(attr,i);
 857                                 type=v->name;
 858                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 859                                         goto start2;
 860
 861                                 sprintf(buf,"%s_default",type);
 862                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 863                                         == NULL)
 864                                         def="";
 865
 866                                 sprintf(buf,"%s_value",type);
 867                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 868                                         == NULL)
 869                                         value=NULL;
 870
 871                                 sprintf(buf,"%s_min",type);
 872                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 873
 874                                 sprintf(buf,"%s_max",type);
 875                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 876
 877                                 if (!add_attribute_object(ri->attributes,
 878                                         v->value,def,value,nid,min,max))
 879                                         goto err;
 880                                 }
 881                         }
 882                 }
 883         else
 884                 {
 885                 BIO_printf(bio_err,"No template, please set one up.\n");
 886                 goto err;
 887                 }
 888
 889         X509_REQ_set_pubkey(req,pkey);
 890
 891         ret=1;
 892 err:
 893         return(ret);
 894         }
 895
 896 static int add_DN_object(n,text,def,value,nid,min,max)
 897 X509_NAME *n;
 898 char *text;
 899 char *def;
 900 char *value;
 901 int nid;
 902 int min;
 903 int max;
 904         {
 905         int i,j,ret=0;
 906         X509_NAME_ENTRY *ne=NULL;
 907         MS_STATIC char buf[1024];
 908
 909         BIO_printf(bio_err,"%s [%s]:",text,def);
 910         BIO_flush(bio_err);
 911         if (value != NULL)
 912                 {
 913                 strcpy(buf,value);
 914                 strcat(buf,"\n");
 915                 BIO_printf(bio_err,"%s\n",value);
 916                 }
 917         else
 918                 {
 919                 buf[0]='\0';
 920                 fgets(buf,1024,stdin);
 921                 }
 922
 923         if (buf[0] == '\0') return(0);
 924         else if (buf[0] == '\n')
 925                 {
 926                 if ((def == NULL) || (def[0] == '\0'))
 927                         return(1);
 928                 strcpy(buf,def);
 929                 strcat(buf,"\n");
 930                 }
 931         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
 932
 933         i=strlen(buf);
 934         if (buf[i-1] != '\n')
 935                 {
 936                 BIO_printf(bio_err,"weird input :-(\n");
 937                 return(0);
 938                 }
 939         buf[--i]='\0';
 940
 941         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
 942         if (req_fix_data(nid,&j,i,min,max) == 0)
 943                 goto err;
 944         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
 945                 strlen(buf)))
 946                 == NULL) goto err;
 947         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
 948                 goto err;
 949
 950         ret=1;
 951 err:
 952         if (ne != NULL) X509_NAME_ENTRY_free(ne);
 953         return(ret);
 954         }
 955
 956 static int add_attribute_object(n,text,def,value,nid,min,max)
 957 STACK *n;
 958 char *text;
 959 char *def;
 960 char *value;
 961 int nid;
 962 int min;
 963 int max;
 964         {
 965         int i,z;
 966         X509_ATTRIBUTE *xa=NULL;
 967         static char buf[1024];
 968         ASN1_BIT_STRING *bs=NULL;
 969         ASN1_TYPE *at=NULL;
 970
 971 start:
 972         BIO_printf(bio_err,"%s [%s]:",text,def);
 973         BIO_flush(bio_err);
 974         if (value != NULL)
 975                 {
 976                 strcpy(buf,value);
 977                 strcat(buf,"\n");
 978                 BIO_printf(bio_err,"%s\n",value);
 979                 }
 980         else
 981                 {
 982                 buf[0]='\0';
 983                 fgets(buf,1024,stdin);
 984                 }
 985
 986         if (buf[0] == '\0') return(0);
 987         else if (buf[0] == '\n')
 988                 {
 989                 if ((def == NULL) || (def[0] == '\0'))
 990                         return(1);
 991                 strcpy(buf,def);
 992                 strcat(buf,"\n");
 993                 }
 994         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
 995
 996         i=strlen(buf);
 997         if (buf[i-1] != '\n')
 998                 {
 999                 BIO_printf(bio_err,"weird input :-(\n");
1000                 return(0);
1001                 }
1002         buf[--i]='\0';
1003
1004         /* add object plus value */
1005         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1006                 goto err;
1007         if ((xa->value.set=sk_new_null()) == NULL)
1008                 goto err;
1009         xa->set=1;
1010
1011         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1012         xa->object=OBJ_nid2obj(nid);
1013
1014         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1015
1016         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1017
1018         z=req_fix_data(nid,&bs->type,i,min,max);
1019         if (z == 0)
1020                 {
1021                 if (value == NULL)
1022                         goto start;
1023                 else    goto err;
1024                 }
1025
1026         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1027                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1028
1029         if ((at=ASN1_TYPE_new()) == NULL)
1030                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1031
1032         ASN1_TYPE_set(at,bs->type,(char *)bs);
1033         sk_push(xa->value.set,(char *)at);
1034         bs=NULL;
1035         at=NULL;
1036         /* only one item per attribute */
1037
1038         if (!sk_push(n,(char *)xa)) goto err;
1039         return(1);
1040 err:
1041         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1042         if (at != NULL) ASN1_TYPE_free(at);
1043         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1044         return(0);
1045         }
1046
1047 static void MS_CALLBACK req_cb(p, n)
1048 int p;
1049 int n;
1050         {
1051         char c='*';
1052
1053         if (p == 0) c='.';
1054         if (p == 1) c='+';
1055         if (p == 2) c='*';
1056         if (p == 3) c='\n';
1057         BIO_write(bio_err,&c,1);
1058         BIO_flush(bio_err);
1059 #ifdef LINT
1060         p=n;
1061 #endif
1062         }
1063
1064 static int req_fix_data(nid,type,len,min,max)
1065 int nid;
1066 int *type;
1067 int len,min,max;
1068         {
1069         if (nid == NID_pkcs9_emailAddress)
1070                 *type=V_ASN1_IA5STRING;
1071         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1072                 *type=V_ASN1_T61STRING;
1073         if ((nid == NID_pkcs9_challengePassword) &&
1074                 (*type == V_ASN1_IA5STRING))
1075                 *type=V_ASN1_T61STRING;
1076
1077         if ((nid == NID_pkcs9_unstructuredName) &&
1078                 (*type == V_ASN1_T61STRING))
1079                 {
1080                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1081                 return(0);
1082                 }
1083         if (nid == NID_pkcs9_unstructuredName)
1084                 *type=V_ASN1_IA5STRING;
1085
1086         if (len < min)
1087                 {
1088                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1089                 return(0);
1090                 }
1091         if ((max != 0) && (len > max))
1092                 {
1093                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1094                 return(0);
1095                 }
1096         return(1);
1097         }