apps/req.c

   1 /* apps/req.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 <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef NO_STDIO
  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,char *arg);
 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 #ifndef NO_DSA
 139         DSA *dsa_params=NULL;
 140 #endif
 141         int ex=1,x509=0,days=30;
 142         X509 *x509ss=NULL;
 143         X509_REQ *req=NULL;
 144         EVP_PKEY *pkey=NULL;
 145         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 146         BIO *in=NULL,*out=NULL;
 147         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 148         int nodes=0,kludge=0;
 149         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 150         EVP_CIPHER *cipher=NULL;
 151         int modulus=0;
 152         char *p;
 153         EVP_MD *md_alg=NULL,*digest=EVP_md5();
 154 #ifndef MONOLITH
 155         MS_STATIC char config_name[256];
 156 #endif
 157
 158 #ifndef NO_DES
 159         cipher=EVP_des_ede3_cbc();
 160 #endif
 161         apps_startup();
 162
 163         if (bio_err == NULL)
 164                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 165                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 166
 167         infile=NULL;
 168         outfile=NULL;
 169         informat=FORMAT_PEM;
 170         outformat=FORMAT_PEM;
 171
 172         prog=argv[0];
 173         argc--;
 174         argv++;
 175         while (argc >= 1)
 176                 {
 177                 if      (strcmp(*argv,"-inform") == 0)
 178                         {
 179                         if (--argc < 1) goto bad;
 180                         informat=str2fmt(*(++argv));
 181                         }
 182                 else if (strcmp(*argv,"-outform") == 0)
 183                         {
 184                         if (--argc < 1) goto bad;
 185                         outformat=str2fmt(*(++argv));
 186                         }
 187                 else if (strcmp(*argv,"-key") == 0)
 188                         {
 189                         if (--argc < 1) goto bad;
 190                         keyfile= *(++argv);
 191                         }
 192                 else if (strcmp(*argv,"-new") == 0)
 193                         {
 194                         pkey_type=TYPE_RSA;
 195                         newreq=1;
 196                         }
 197                 else if (strcmp(*argv,"-config") == 0)
 198                         {
 199                         if (--argc < 1) goto bad;
 200                         template= *(++argv);
 201                         }
 202                 else if (strcmp(*argv,"-keyform") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         keyform=str2fmt(*(++argv));
 206                         }
 207                 else if (strcmp(*argv,"-in") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         infile= *(++argv);
 211                         }
 212                 else if (strcmp(*argv,"-out") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         outfile= *(++argv);
 216                         }
 217                 else if (strcmp(*argv,"-keyout") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         keyout= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-newkey") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         p= *(++argv);
 226                         if ((strncmp("rsa:",p,4) == 0) ||
 227                                 ((p[0] >= '0') && (p[0] <= '9')))
 228                                 {
 229                                 pkey_type=TYPE_RSA;
 230                                 p+=4;
 231                                 newkey= atoi(p);
 232                                 }
 233                         else
 234 #ifndef NO_DSA
 235                                 if (strncmp("dsa:",p,4) == 0)
 236                                 {
 237                                 X509 *xtmp=NULL;
 238                                 EVP_PKEY *dtmp;
 239
 240                                 pkey_type=TYPE_DSA;
 241                                 p+=4;
 242                                 if ((in=BIO_new_file(p,"r")) == NULL)
 243                                         {
 244                                         perror(p);
 245                                         goto end;
 246                                         }
 247                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 248                                         {
 249                                         ERR_clear_error();
 250                                         BIO_reset(in);
 251                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 252                                                 {
 253                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 254                                                 goto end;
 255                                                 }
 256
 257                                         /* This will 'disapear'
 258                                          * when we free xtmp */
 259                                         dtmp=X509_get_pubkey(xtmp);
 260                                         if (dtmp->type == EVP_PKEY_DSA)
 261                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 262                                         X509_free(xtmp);
 263                                         if (dsa_params == NULL)
 264                                                 {
 265                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 266                                                 goto end;
 267                                                 }
 268                                         }
 269                                 BIO_free(in);
 270                                 newkey=BN_num_bits(dsa_params->p);
 271                                 in=NULL;
 272                                 }
 273                         else
 274 #endif
 275 #ifndef NO_DH
 276                                 if (strncmp("dh:",p,4) == 0)
 277                                 {
 278                                 pkey_type=TYPE_DH;
 279                                 p+=3;
 280                                 }
 281                         else
 282 #endif
 283                                 pkey_type=TYPE_RSA;
 284
 285                         newreq=1;
 286                         }
 287                 else if (strcmp(*argv,"-modulus") == 0)
 288                         modulus=1;
 289                 else if (strcmp(*argv,"-verify") == 0)
 290                         verify=1;
 291                 else if (strcmp(*argv,"-nodes") == 0)
 292                         nodes=1;
 293                 else if (strcmp(*argv,"-noout") == 0)
 294                         noout=1;
 295                 else if (strcmp(*argv,"-text") == 0)
 296                         text=1;
 297                 else if (strcmp(*argv,"-x509") == 0)
 298                         x509=1;
 299                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 300                         kludge=1;
 301                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 302                         kludge=0;
 303                 else if (strcmp(*argv,"-days") == 0)
 304                         {
 305                         if (--argc < 1) goto bad;
 306                         days= atoi(*(++argv));
 307                         if (days == 0) days=30;
 308                         }
 309                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 310                         {
 311                         /* ok */
 312                         digest=md_alg;
 313                         }
 314                 else
 315
 316                         {
 317                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 318                         badops=1;
 319                         break;
 320                         }
 321                 argc--;
 322                 argv++;
 323                 }
 324
 325         if (badops)
 326                 {
 327 bad:
 328                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 329                 BIO_printf(bio_err,"where options  are\n");
 330                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 331                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 332                 BIO_printf(bio_err," -in arg        inout file\n");
 333                 BIO_printf(bio_err," -out arg       output file\n");
 334                 BIO_printf(bio_err," -text          text form of request\n");
 335                 BIO_printf(bio_err," -noout         do not output REQ\n");
 336                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 337                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 338                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 339                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 340                 BIO_printf(bio_err," -keyform arg   key file format\n");
 341                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 342                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 343                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 344
 345                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 346                 BIO_printf(bio_err," -config file   request templace file.\n");
 347                 BIO_printf(bio_err," -new           new request.\n");
 348                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 349                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 350                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 351                 BIO_printf(bio_err,"                have been reported as requiring\n");
 352                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 353                 goto end;
 354                 }
 355
 356         ERR_load_crypto_strings();
 357
 358 #ifndef MONOLITH
 359         /* Lets load up our environment a little */
 360         p=getenv("OPENSSL_CONF");
 361         if (p == NULL)
 362                 p=getenv("SSLEAY_CONF");
 363         if (p == NULL)
 364                 {
 365                 strcpy(config_name,X509_get_default_cert_area());
 366                 strcat(config_name,"/lib/");
 367                 strcat(config_name,OPENSSL_CONF);
 368                 p=config_name;
 369                 }
 370         default_config_file=p;
 371         config=CONF_load(config,p,NULL);
 372 #endif
 373
 374         if (template != NULL)
 375                 {
 376                 long errline;
 377
 378                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 379                 req_conf=CONF_load(NULL,template,&errline);
 380                 if (req_conf == NULL)
 381                         {
 382                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 383                         goto end;
 384                         }
 385                 }
 386         else
 387                 {
 388                 req_conf=config;
 389                 BIO_printf(bio_err,"Using configuration from %s\n",
 390                         default_config_file);
 391                 if (req_conf == NULL)
 392                         {
 393                         BIO_printf(bio_err,"Unable to load config info\n");
 394                         }
 395                 }
 396
 397         if (req_conf != NULL)
 398                 {
 399                 p=CONF_get_string(req_conf,NULL,"oid_file");
 400                 if (p != NULL)
 401                         {
 402                         BIO *oid_bio;
 403
 404                         oid_bio=BIO_new_file(p,"r");
 405                         if (oid_bio == NULL)
 406                                 {
 407                                 /*
 408                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 409                                 ERR_print_errors(bio_err);
 410                                 */
 411                                 }
 412                         else
 413                                 {
 414                                 OBJ_create_objects(oid_bio);
 415                                 BIO_free(oid_bio);
 416                                 }
 417                         }
 418                 }
 419
 420         if ((md_alg == NULL) &&
 421                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 422                 {
 423                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 424                         digest=md_alg;
 425                 }
 426
 427         in=BIO_new(BIO_s_file());
 428         out=BIO_new(BIO_s_file());
 429         if ((in == NULL) || (out == NULL))
 430                 goto end;
 431
 432         if (keyfile != NULL)
 433                 {
 434                 if (BIO_read_filename(in,keyfile) <= 0)
 435                         {
 436                         perror(keyfile);
 437                         goto end;
 438                         }
 439
 440 /*              if (keyform == FORMAT_ASN1)
 441                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 442                 else */
 443                 if (keyform == FORMAT_PEM)
 444                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 445                 else
 446                         {
 447                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 448                         goto end;
 449                         }
 450
 451                 if (pkey == NULL)
 452                         {
 453                         BIO_printf(bio_err,"unable to load Private key\n");
 454                         goto end;
 455                         }
 456                 }
 457
 458         if (newreq && (pkey == NULL))
 459                 {
 460                 char *randfile;
 461                 char buffer[200];
 462
 463                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 464                         randfile=RAND_file_name(buffer,200);
 465 #ifdef WINDOWS
 466                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 467                 BIO_flush(bio_err);
 468                 RAND_screen();
 469                 BIO_printf(bio_err," done\n");
 470 #endif
 471                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 472                         {
 473                         BIO_printf(bio_err,"unable to load 'random state'\n");
 474                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 475                         BIO_printf(bio_err,"with much random data.\n");
 476                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 477                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 478                         }
 479                 if (newkey <= 0)
 480                         {
 481                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 482                         if (newkey <= 0)
 483                                 newkey=DEFAULT_KEY_LENGTH;
 484                         }
 485
 486                 if (newkey < MIN_KEY_LENGTH)
 487                         {
 488                         BIO_printf(bio_err,"private key length is too short,\n");
 489                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 490                         goto end;
 491                         }
 492                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 493                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 494
 495                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 496
 497 #ifndef NO_RSA
 498                 if (pkey_type == TYPE_RSA)
 499                         {
 500                         if (!EVP_PKEY_assign_RSA(pkey,
 501                                 RSA_generate_key(newkey,0x10001,
 502                                         req_cb,(char *)bio_err)))
 503                                 goto end;
 504                         }
 505                 else
 506 #endif
 507 #ifndef NO_DSA
 508                         if (pkey_type == TYPE_DSA)
 509                         {
 510                         if (!DSA_generate_key(dsa_params)) goto end;
 511                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 512                         dsa_params=NULL;
 513                         }
 514 #endif
 515
 516                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 517                         BIO_printf(bio_err,"unable to write 'random state'\n");
 518
 519                 if (pkey == NULL) goto end;
 520
 521                 if (keyout == NULL)
 522                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 523
 524                 if (keyout == NULL)
 525                         {
 526                         BIO_printf(bio_err,"writing new private key to stdout\n");
 527                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 528                         }
 529                 else
 530                         {
 531                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 532                         if (BIO_write_filename(out,keyout) <= 0)
 533                                 {
 534                                 perror(keyout);
 535                                 goto end;
 536                                 }
 537                         }
 538
 539                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 540                 if (p == NULL)
 541                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 542                 if ((p != NULL) && (strcmp(p,"no") == 0))
 543                         cipher=NULL;
 544                 if (nodes) cipher=NULL;
 545
 546                 i=0;
 547 loop:
 548                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 549                         NULL,0,NULL))
 550                         {
 551                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 552                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 553                                 {
 554                                 ERR_clear_error();
 555                                 i++;
 556                                 goto loop;
 557                                 }
 558                         goto end;
 559                         }
 560                 BIO_printf(bio_err,"-----\n");
 561                 }
 562
 563         if (!newreq)
 564                 {
 565                 /* Since we are using a pre-existing certificate
 566                  * request, the kludge 'format' info should not be
 567                  * changed. */
 568                 kludge= -1;
 569                 if (infile == NULL)
 570                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 571                 else
 572                         {
 573                         if (BIO_read_filename(in,infile) <= 0)
 574                                 {
 575                                 perror(infile);
 576                                 goto end;
 577                                 }
 578                         }
 579
 580                 if      (informat == FORMAT_ASN1)
 581                         req=d2i_X509_REQ_bio(in,NULL);
 582                 else if (informat == FORMAT_PEM)
 583                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 584                 else
 585                         {
 586                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 587                         goto end;
 588                         }
 589                 if (req == NULL)
 590                         {
 591                         BIO_printf(bio_err,"unable to load X509 request\n");
 592                         goto end;
 593                         }
 594                 }
 595
 596         if (newreq || x509)
 597                 {
 598 #ifndef NO_DSA
 599                 if (pkey->type == EVP_PKEY_DSA)
 600                         digest=EVP_dss1();
 601 #endif
 602
 603                 if (pkey == NULL)
 604                         {
 605                         BIO_printf(bio_err,"you need to specify a private key\n");
 606                         goto end;
 607                         }
 608                 if (req == NULL)
 609                         {
 610                         req=X509_REQ_new();
 611                         if (req == NULL)
 612                                 {
 613                                 goto end;
 614                                 }
 615
 616                         i=make_REQ(req,pkey,!x509);
 617                         if (kludge >= 0)
 618                                 req->req_info->req_kludge=kludge;
 619                         if (!i)
 620                                 {
 621                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 622                                 goto end;
 623                                 }
 624                         }
 625                 if (x509)
 626                         {
 627                         if ((x509ss=X509_new()) == NULL) goto end;
 628
 629                         /* don't set the version number, for starters
 630                          * the field is null and second, null is v0
 631                          * if (!ASN1_INTEGER_set(ci->version,0L)) goto end;
 632                          */
 633                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 634
 635                         X509_set_issuer_name(x509ss,
 636                                 X509_REQ_get_subject_name(req));
 637                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 638                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 639                                 (long)60*60*24*days);
 640                         X509_set_subject_name(x509ss,
 641                                 X509_REQ_get_subject_name(req));
 642                         X509_set_pubkey(x509ss,X509_REQ_get_pubkey(req));
 643
 644                         if (!(i=X509_sign(x509ss,pkey,digest)))
 645                                 goto end;
 646                         }
 647                 else
 648                         {
 649                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 650                                 goto end;
 651                         }
 652                 }
 653
 654         if (verify && !x509)
 655                 {
 656                 int tmp=0;
 657
 658                 if (pkey == NULL)
 659                         {
 660                         pkey=X509_REQ_get_pubkey(req);
 661                         tmp=1;
 662                         if (pkey == NULL) goto end;
 663                         }
 664
 665                 i=X509_REQ_verify(req,pkey);
 666                 if (tmp) pkey=NULL;
 667
 668                 if (i < 0)
 669                         {
 670                         goto end;
 671                         }
 672                 else if (i == 0)
 673                         {
 674                         BIO_printf(bio_err,"verify failure\n");
 675                         }
 676                 else /* if (i > 0) */
 677                         BIO_printf(bio_err,"verify OK\n");
 678                 }
 679
 680         if (noout && !text && !modulus)
 681                 {
 682                 ex=0;
 683                 goto end;
 684                 }
 685
 686         if (outfile == NULL)
 687                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 688         else
 689                 {
 690                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 691                         i=(int)BIO_append_filename(out,outfile);
 692                 else
 693                         i=(int)BIO_write_filename(out,outfile);
 694                 if (!i)
 695                         {
 696                         perror(outfile);
 697                         goto end;
 698                         }
 699                 }
 700
 701         if (text)
 702                 {
 703                 if (x509)
 704                         X509_print(out,x509ss);
 705                 else
 706                         X509_REQ_print(out,req);
 707                 }
 708
 709         if (modulus)
 710                 {
 711                 EVP_PKEY *pubkey;
 712
 713                 if (x509)
 714                         pubkey=X509_get_pubkey(x509ss);
 715                 else
 716                         pubkey=X509_REQ_get_pubkey(req);
 717                 if (pubkey == NULL)
 718                         {
 719                         fprintf(stdout,"Modulus=unavailable\n");
 720                         goto end;
 721                         }
 722                 fprintf(stdout,"Modulus=");
 723 #ifndef NO_RSA
 724                 if (pubkey->type == EVP_PKEY_RSA)
 725                         BN_print(out,pubkey->pkey.rsa->n);
 726                 else
 727 #endif
 728                         fprintf(stdout,"Wrong Algorithm type");
 729                 fprintf(stdout,"\n");
 730                 }
 731
 732         if (!noout && !x509)
 733                 {
 734                 if      (outformat == FORMAT_ASN1)
 735                         i=i2d_X509_REQ_bio(out,req);
 736                 else if (outformat == FORMAT_PEM)
 737                         i=PEM_write_bio_X509_REQ(out,req);
 738                 else    {
 739                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 740                         goto end;
 741                         }
 742                 if (!i)
 743                         {
 744                         BIO_printf(bio_err,"unable to write X509 request\n");
 745                         goto end;
 746                         }
 747                 }
 748         if (!noout && x509 && (x509ss != NULL))
 749                 {
 750                 if      (outformat == FORMAT_ASN1)
 751                         i=i2d_X509_bio(out,x509ss);
 752                 else if (outformat == FORMAT_PEM)
 753                         i=PEM_write_bio_X509(out,x509ss);
 754                 else    {
 755                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 756                         goto end;
 757                         }
 758                 if (!i)
 759                         {
 760                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 761                         goto end;
 762                         }
 763                 }
 764         ex=0;
 765 end:
 766         if (ex)
 767                 {
 768                 ERR_print_errors(bio_err);
 769                 }
 770         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 771         if (in != NULL) BIO_free(in);
 772         if (out != NULL) BIO_free(out);
 773         if (pkey != NULL) EVP_PKEY_free(pkey);
 774         if (req != NULL) X509_REQ_free(req);
 775         if (x509ss != NULL) X509_free(x509ss);
 776 #ifndef NO_DSA
 777         if (dsa_params != NULL) DSA_free(dsa_params);
 778 #endif
 779         EXIT(ex);
 780         }
 781
 782 static int make_REQ(req,pkey,attribs)
 783 X509_REQ *req;
 784 EVP_PKEY *pkey;
 785 int attribs;
 786         {
 787         int ret=0,i,j;
 788         unsigned char *p,*q;
 789         X509_REQ_INFO *ri;
 790         char buf[100];
 791         int nid,min,max;
 792         char *type,*def,*tmp,*value,*tmp_attr;
 793         STACK *sk,*attr=NULL;
 794         CONF_VALUE *v;
 795
 796         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 797         if (tmp == NULL)
 798                 {
 799                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 800                         DISTINGUISHED_NAME);
 801                 goto err;
 802                 }
 803         sk=CONF_get_section(req_conf,tmp);
 804         if (sk == NULL)
 805                 {
 806                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 807                 goto err;
 808                 }
 809
 810         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 811         if (tmp_attr == NULL)
 812                 attr=NULL;
 813         else
 814                 {
 815                 attr=CONF_get_section(req_conf,tmp_attr);
 816                 if (attr == NULL)
 817                         {
 818                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 819                         goto err;
 820                         }
 821                 }
 822
 823         ri=req->req_info;
 824
 825         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 826         BIO_printf(bio_err,"into your certificate request.\n");
 827         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 828         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 829         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 830         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 831         BIO_printf(bio_err,"-----\n");
 832
 833         /* setup version number */
 834         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 835
 836         if (sk_num(sk))
 837                 {
 838                 i= -1;
 839 start:          for (;;)
 840                         {
 841                         i++;
 842                         if ((int)sk_num(sk) <= i) break;
 843
 844                         v=(CONF_VALUE *)sk_value(sk,i);
 845                         p=q=NULL;
 846                         type=v->name;
 847                         /* Allow for raw OIDs */
 848                         /* [n.mm.ooo.ppp] */
 849                         for (j=0; type[j] != '\0'; j++)
 850                                 {
 851                                 if (    (type[j] == ':') ||
 852                                         (type[j] == ',') ||
 853                                         (type[j] == '.'))
 854                                         p=(unsigned char *)&(type[j+1]);
 855                                 if (type[j] == '[')
 856                                         {
 857                                         p=(unsigned char *)&(type[j+1]);
 858                                         for (j++; type[j] != '\0'; j++)
 859                                                 if (type[j] == ']')
 860                                                         {
 861                                                         q=(unsigned char *)&(type[j]);
 862                                                         break;
 863                                                         }
 864                                         break;
 865                                         }
 866                                 }
 867                         if (p != NULL)
 868                                 type=(char *)p;
 869                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
 870                                 {
 871                                 /* Add a new one if possible */
 872                                 if ((p != NULL) && (q != NULL) && (*q == ']'))
 873                                         {
 874                                         *q='\0';
 875                                         nid=OBJ_create((char *)p,NULL,NULL);
 876                                         *q=']';
 877                                         if (nid == NID_undef) goto start;
 878                                         }
 879                                 else
 880                                         goto start;
 881                                 }
 882
 883                         sprintf(buf,"%s_default",v->name);
 884                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 885                                 def="";
 886
 887                         sprintf(buf,"%s_value",v->name);
 888                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 889                                 value=NULL;
 890
 891                         sprintf(buf,"%s_min",v->name);
 892                         min=(int)CONF_get_number(req_conf,tmp,buf);
 893
 894                         sprintf(buf,"%s_max",v->name);
 895                         max=(int)CONF_get_number(req_conf,tmp,buf);
 896
 897                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 898                                 min,max))
 899                                 goto err;
 900                         }
 901                 if (sk_num(ri->subject->entries) == 0)
 902                         {
 903                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 904                         goto err;
 905                         }
 906
 907                 if (attribs)
 908                         {
 909                         if ((attr != NULL) && (sk_num(attr) > 0))
 910                                 {
 911                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 912                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 913                                 }
 914
 915                         i= -1;
 916 start2:                 for (;;)
 917                                 {
 918                                 i++;
 919                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 920                                         break;
 921
 922                                 v=(CONF_VALUE *)sk_value(attr,i);
 923                                 type=v->name;
 924                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 925                                         goto start2;
 926
 927                                 sprintf(buf,"%s_default",type);
 928                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 929                                         == NULL)
 930                                         def="";
 931
 932                                 sprintf(buf,"%s_value",type);
 933                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 934                                         == NULL)
 935                                         value=NULL;
 936
 937                                 sprintf(buf,"%s_min",type);
 938                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 939
 940                                 sprintf(buf,"%s_max",type);
 941                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 942
 943                                 if (!add_attribute_object(ri->attributes,
 944                                         v->value,def,value,nid,min,max))
 945                                         goto err;
 946                                 }
 947                         }
 948                 }
 949         else
 950                 {
 951                 BIO_printf(bio_err,"No template, please set one up.\n");
 952                 goto err;
 953                 }
 954
 955         X509_REQ_set_pubkey(req,pkey);
 956
 957         ret=1;
 958 err:
 959         return(ret);
 960         }
 961
 962 static int add_DN_object(n,text,def,value,nid,min,max)
 963 X509_NAME *n;
 964 char *text;
 965 char *def;
 966 char *value;
 967 int nid;
 968 int min;
 969 int max;
 970         {
 971         int i,j,ret=0;
 972         X509_NAME_ENTRY *ne=NULL;
 973         MS_STATIC char buf[1024];
 974
 975         BIO_printf(bio_err,"%s [%s]:",text,def);
 976         BIO_flush(bio_err);
 977         if (value != NULL)
 978                 {
 979                 strcpy(buf,value);
 980                 strcat(buf,"\n");
 981                 BIO_printf(bio_err,"%s\n",value);
 982                 }
 983         else
 984                 {
 985                 buf[0]='\0';
 986                 fgets(buf,1024,stdin);
 987                 }
 988
 989         if (buf[0] == '\0') return(0);
 990         else if (buf[0] == '\n')
 991                 {
 992                 if ((def == NULL) || (def[0] == '\0'))
 993                         return(1);
 994                 strcpy(buf,def);
 995                 strcat(buf,"\n");
 996                 }
 997         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
 998
 999         i=strlen(buf);
1000         if (buf[i-1] != '\n')
1001                 {
1002                 BIO_printf(bio_err,"weird input :-(\n");
1003                 return(0);
1004                 }
1005         buf[--i]='\0';
1006
1007         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1008         if (req_fix_data(nid,&j,i,min,max) == 0)
1009                 goto err;
1010         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1011                 strlen(buf)))
1012                 == NULL) goto err;
1013         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1014                 goto err;
1015
1016         ret=1;
1017 err:
1018         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1019         return(ret);
1020         }
1021
1022 static int add_attribute_object(n,text,def,value,nid,min,max)
1023 STACK *n;
1024 char *text;
1025 char *def;
1026 char *value;
1027 int nid;
1028 int min;
1029 int max;
1030         {
1031         int i,z;
1032         X509_ATTRIBUTE *xa=NULL;
1033         static char buf[1024];
1034         ASN1_BIT_STRING *bs=NULL;
1035         ASN1_TYPE *at=NULL;
1036
1037 start:
1038         BIO_printf(bio_err,"%s [%s]:",text,def);
1039         BIO_flush(bio_err);
1040         if (value != NULL)
1041                 {
1042                 strcpy(buf,value);
1043                 strcat(buf,"\n");
1044                 BIO_printf(bio_err,"%s\n",value);
1045                 }
1046         else
1047                 {
1048                 buf[0]='\0';
1049                 fgets(buf,1024,stdin);
1050                 }
1051
1052         if (buf[0] == '\0') return(0);
1053         else if (buf[0] == '\n')
1054                 {
1055                 if ((def == NULL) || (def[0] == '\0'))
1056                         return(1);
1057                 strcpy(buf,def);
1058                 strcat(buf,"\n");
1059                 }
1060         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1061
1062         i=strlen(buf);
1063         if (buf[i-1] != '\n')
1064                 {
1065                 BIO_printf(bio_err,"weird input :-(\n");
1066                 return(0);
1067                 }
1068         buf[--i]='\0';
1069
1070         /* add object plus value */
1071         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1072                 goto err;
1073         if ((xa->value.set=sk_new_null()) == NULL)
1074                 goto err;
1075         xa->set=1;
1076
1077         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1078         xa->object=OBJ_nid2obj(nid);
1079
1080         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1081
1082         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1083
1084         z=req_fix_data(nid,&bs->type,i,min,max);
1085         if (z == 0)
1086                 {
1087                 if (value == NULL)
1088                         goto start;
1089                 else    goto err;
1090                 }
1091
1092         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1093                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1094
1095         if ((at=ASN1_TYPE_new()) == NULL)
1096                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1097
1098         ASN1_TYPE_set(at,bs->type,(char *)bs);
1099         sk_push(xa->value.set,(char *)at);
1100         bs=NULL;
1101         at=NULL;
1102         /* only one item per attribute */
1103
1104         if (!sk_push(n,(char *)xa)) goto err;
1105         return(1);
1106 err:
1107         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1108         if (at != NULL) ASN1_TYPE_free(at);
1109         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1110         return(0);
1111         }
1112
1113 static void MS_CALLBACK req_cb(p,n,arg)
1114 int p;
1115 int n;
1116 char *arg;
1117         {
1118         char c='*';
1119
1120         if (p == 0) c='.';
1121         if (p == 1) c='+';
1122         if (p == 2) c='*';
1123         if (p == 3) c='\n';
1124         BIO_write((BIO *)arg,&c,1);
1125         BIO_flush((BIO *)arg);
1126 #ifdef LINT
1127         p=n;
1128 #endif
1129         }
1130
1131 static int req_fix_data(nid,type,len,min,max)
1132 int nid;
1133 int *type;
1134 int len,min,max;
1135         {
1136         if (nid == NID_pkcs9_emailAddress)
1137                 *type=V_ASN1_IA5STRING;
1138         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1139                 *type=V_ASN1_T61STRING;
1140         if ((nid == NID_pkcs9_challengePassword) &&
1141                 (*type == V_ASN1_IA5STRING))
1142                 *type=V_ASN1_T61STRING;
1143
1144         if ((nid == NID_pkcs9_unstructuredName) &&
1145                 (*type == V_ASN1_T61STRING))
1146                 {
1147                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1148                 return(0);
1149                 }
1150         if (nid == NID_pkcs9_unstructuredName)
1151                 *type=V_ASN1_IA5STRING;
1152
1153         if (len < min)
1154                 {
1155                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1156                 return(0);
1157                 }
1158         if ((max != 0) && (len > max))
1159                 {
1160                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1161                 return(0);
1162                 }
1163         return(1);
1164         }