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                         int is_numeric;
 225
 226                         if (--argc < 1) goto bad;
 227                         p= *(++argv);
 228                         is_numeric = p[0] >= '0' && p[0] <= '9';
 229                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 230                                 {
 231                                 pkey_type=TYPE_RSA;
 232                                 if(!is_numeric)
 233                                     p+=4;
 234                                 newkey= atoi(p);
 235                                 }
 236                         else
 237 #ifndef NO_DSA
 238                                 if (strncmp("dsa:",p,4) == 0)
 239                                 {
 240                                 X509 *xtmp=NULL;
 241                                 EVP_PKEY *dtmp;
 242
 243                                 pkey_type=TYPE_DSA;
 244                                 p+=4;
 245                                 if ((in=BIO_new_file(p,"r")) == NULL)
 246                                         {
 247                                         perror(p);
 248                                         goto end;
 249                                         }
 250                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 251                                         {
 252                                         ERR_clear_error();
 253                                         BIO_reset(in);
 254                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 255                                                 {
 256                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 257                                                 goto end;
 258                                                 }
 259
 260                                         /* This will 'disapear'
 261                                          * when we free xtmp */
 262                                         dtmp=X509_get_pubkey(xtmp);
 263                                         if (dtmp->type == EVP_PKEY_DSA)
 264                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 265                                         X509_free(xtmp);
 266                                         if (dsa_params == NULL)
 267                                                 {
 268                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 269                                                 goto end;
 270                                                 }
 271                                         }
 272                                 BIO_free(in);
 273                                 newkey=BN_num_bits(dsa_params->p);
 274                                 in=NULL;
 275                                 }
 276                         else
 277 #endif
 278 #ifndef NO_DH
 279                                 if (strncmp("dh:",p,4) == 0)
 280                                 {
 281                                 pkey_type=TYPE_DH;
 282                                 p+=3;
 283                                 }
 284                         else
 285 #endif
 286                                 pkey_type=TYPE_RSA;
 287
 288                         newreq=1;
 289                         }
 290                 else if (strcmp(*argv,"-modulus") == 0)
 291                         modulus=1;
 292                 else if (strcmp(*argv,"-verify") == 0)
 293                         verify=1;
 294                 else if (strcmp(*argv,"-nodes") == 0)
 295                         nodes=1;
 296                 else if (strcmp(*argv,"-noout") == 0)
 297                         noout=1;
 298                 else if (strcmp(*argv,"-text") == 0)
 299                         text=1;
 300                 else if (strcmp(*argv,"-x509") == 0)
 301                         x509=1;
 302                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 303                         kludge=1;
 304                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 305                         kludge=0;
 306                 else if (strcmp(*argv,"-days") == 0)
 307                         {
 308                         if (--argc < 1) goto bad;
 309                         days= atoi(*(++argv));
 310                         if (days == 0) days=30;
 311                         }
 312                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 313                         {
 314                         /* ok */
 315                         digest=md_alg;
 316                         }
 317                 else
 318
 319                         {
 320                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 321                         badops=1;
 322                         break;
 323                         }
 324                 argc--;
 325                 argv++;
 326                 }
 327
 328         if (badops)
 329                 {
 330 bad:
 331                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 332                 BIO_printf(bio_err,"where options  are\n");
 333                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 334                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 335                 BIO_printf(bio_err," -in arg        inout file\n");
 336                 BIO_printf(bio_err," -out arg       output file\n");
 337                 BIO_printf(bio_err," -text          text form of request\n");
 338                 BIO_printf(bio_err," -noout         do not output REQ\n");
 339                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 340                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 341                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 342                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 343                 BIO_printf(bio_err," -keyform arg   key file format\n");
 344                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 345                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 346                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 347
 348                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 349                 BIO_printf(bio_err," -config file   request templace file.\n");
 350                 BIO_printf(bio_err," -new           new request.\n");
 351                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 352                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 353                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 354                 BIO_printf(bio_err,"                have been reported as requiring\n");
 355                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 356                 goto end;
 357                 }
 358
 359         ERR_load_crypto_strings();
 360
 361 #ifndef MONOLITH
 362         /* Lets load up our environment a little */
 363         p=getenv("OPENSSL_CONF");
 364         if (p == NULL)
 365                 p=getenv("SSLEAY_CONF");
 366         if (p == NULL)
 367                 {
 368                 strcpy(config_name,X509_get_default_cert_area());
 369                 strcat(config_name,"/lib/");
 370                 strcat(config_name,OPENSSL_CONF);
 371                 p=config_name;
 372                 }
 373         default_config_file=p;
 374         config=CONF_load(config,p,NULL);
 375 #endif
 376
 377         if (template != NULL)
 378                 {
 379                 long errline;
 380
 381                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 382                 req_conf=CONF_load(NULL,template,&errline);
 383                 if (req_conf == NULL)
 384                         {
 385                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 386                         goto end;
 387                         }
 388                 }
 389         else
 390                 {
 391                 req_conf=config;
 392                 BIO_printf(bio_err,"Using configuration from %s\n",
 393                         default_config_file);
 394                 if (req_conf == NULL)
 395                         {
 396                         BIO_printf(bio_err,"Unable to load config info\n");
 397                         }
 398                 }
 399
 400         if (req_conf != NULL)
 401                 {
 402                 p=CONF_get_string(req_conf,NULL,"oid_file");
 403                 if (p != NULL)
 404                         {
 405                         BIO *oid_bio;
 406
 407                         oid_bio=BIO_new_file(p,"r");
 408                         if (oid_bio == NULL)
 409                                 {
 410                                 /*
 411                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 412                                 ERR_print_errors(bio_err);
 413                                 */
 414                                 }
 415                         else
 416                                 {
 417                                 OBJ_create_objects(oid_bio);
 418                                 BIO_free(oid_bio);
 419                                 }
 420                         }
 421                 }
 422
 423         if ((md_alg == NULL) &&
 424                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 425                 {
 426                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 427                         digest=md_alg;
 428                 }
 429
 430         in=BIO_new(BIO_s_file());
 431         out=BIO_new(BIO_s_file());
 432         if ((in == NULL) || (out == NULL))
 433                 goto end;
 434
 435         if (keyfile != NULL)
 436                 {
 437                 if (BIO_read_filename(in,keyfile) <= 0)
 438                         {
 439                         perror(keyfile);
 440                         goto end;
 441                         }
 442
 443 /*              if (keyform == FORMAT_ASN1)
 444                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 445                 else */
 446                 if (keyform == FORMAT_PEM)
 447                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 448                 else
 449                         {
 450                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 451                         goto end;
 452                         }
 453
 454                 if (pkey == NULL)
 455                         {
 456                         BIO_printf(bio_err,"unable to load Private key\n");
 457                         goto end;
 458                         }
 459                 }
 460
 461         if (newreq && (pkey == NULL))
 462                 {
 463                 char *randfile;
 464                 char buffer[200];
 465
 466                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 467                         randfile=RAND_file_name(buffer,200);
 468 #ifdef WINDOWS
 469                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 470                 BIO_flush(bio_err);
 471                 RAND_screen();
 472                 BIO_printf(bio_err," done\n");
 473 #endif
 474                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 475                         {
 476                         BIO_printf(bio_err,"unable to load 'random state'\n");
 477                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 478                         BIO_printf(bio_err,"with much random data.\n");
 479                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 480                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 481                         }
 482                 if (newkey <= 0)
 483                         {
 484                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 485                         if (newkey <= 0)
 486                                 newkey=DEFAULT_KEY_LENGTH;
 487                         }
 488
 489                 if (newkey < MIN_KEY_LENGTH)
 490                         {
 491                         BIO_printf(bio_err,"private key length is too short,\n");
 492                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 493                         goto end;
 494                         }
 495                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 496                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 497
 498                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 499
 500 #ifndef NO_RSA
 501                 if (pkey_type == TYPE_RSA)
 502                         {
 503                         if (!EVP_PKEY_assign_RSA(pkey,
 504                                 RSA_generate_key(newkey,0x10001,
 505                                         req_cb,(char *)bio_err)))
 506                                 goto end;
 507                         }
 508                 else
 509 #endif
 510 #ifndef NO_DSA
 511                         if (pkey_type == TYPE_DSA)
 512                         {
 513                         if (!DSA_generate_key(dsa_params)) goto end;
 514                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 515                         dsa_params=NULL;
 516                         }
 517 #endif
 518
 519                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 520                         BIO_printf(bio_err,"unable to write 'random state'\n");
 521
 522                 if (pkey == NULL) goto end;
 523
 524                 if (keyout == NULL)
 525                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 526
 527                 if (keyout == NULL)
 528                         {
 529                         BIO_printf(bio_err,"writing new private key to stdout\n");
 530                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 531                         }
 532                 else
 533                         {
 534                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 535                         if (BIO_write_filename(out,keyout) <= 0)
 536                                 {
 537                                 perror(keyout);
 538                                 goto end;
 539                                 }
 540                         }
 541
 542                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 543                 if (p == NULL)
 544                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 545                 if ((p != NULL) && (strcmp(p,"no") == 0))
 546                         cipher=NULL;
 547                 if (nodes) cipher=NULL;
 548
 549                 i=0;
 550 loop:
 551                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 552                         NULL,0,NULL))
 553                         {
 554                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 555                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 556                                 {
 557                                 ERR_clear_error();
 558                                 i++;
 559                                 goto loop;
 560                                 }
 561                         goto end;
 562                         }
 563                 BIO_printf(bio_err,"-----\n");
 564                 }
 565
 566         if (!newreq)
 567                 {
 568                 /* Since we are using a pre-existing certificate
 569                  * request, the kludge 'format' info should not be
 570                  * changed. */
 571                 kludge= -1;
 572                 if (infile == NULL)
 573                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 574                 else
 575                         {
 576                         if (BIO_read_filename(in,infile) <= 0)
 577                                 {
 578                                 perror(infile);
 579                                 goto end;
 580                                 }
 581                         }
 582
 583                 if      (informat == FORMAT_ASN1)
 584                         req=d2i_X509_REQ_bio(in,NULL);
 585                 else if (informat == FORMAT_PEM)
 586                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 587                 else
 588                         {
 589                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 590                         goto end;
 591                         }
 592                 if (req == NULL)
 593                         {
 594                         BIO_printf(bio_err,"unable to load X509 request\n");
 595                         goto end;
 596                         }
 597                 }
 598
 599         if (newreq || x509)
 600                 {
 601 #ifndef NO_DSA
 602                 if (pkey->type == EVP_PKEY_DSA)
 603                         digest=EVP_dss1();
 604 #endif
 605
 606                 if (pkey == NULL)
 607                         {
 608                         BIO_printf(bio_err,"you need to specify a private key\n");
 609                         goto end;
 610                         }
 611                 if (req == NULL)
 612                         {
 613                         req=X509_REQ_new();
 614                         if (req == NULL)
 615                                 {
 616                                 goto end;
 617                                 }
 618
 619                         i=make_REQ(req,pkey,!x509);
 620                         if (kludge >= 0)
 621                                 req->req_info->req_kludge=kludge;
 622                         if (!i)
 623                                 {
 624                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 625                                 goto end;
 626                                 }
 627                         }
 628                 if (x509)
 629                         {
 630                         EVP_PKEY *tmppkey;
 631                         if ((x509ss=X509_new()) == NULL) goto end;
 632
 633                         /* don't set the version number, for starters
 634                          * the field is null and second, null is v0
 635                          * if (!ASN1_INTEGER_set(ci->version,0L)) goto end;
 636                          */
 637                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 638
 639                         X509_set_issuer_name(x509ss,
 640                                 X509_REQ_get_subject_name(req));
 641                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 642                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 643                                 (long)60*60*24*days);
 644                         X509_set_subject_name(x509ss,
 645                                 X509_REQ_get_subject_name(req));
 646                         tmppkey = X509_REQ_get_pubkey(req);
 647                         X509_set_pubkey(x509ss,tmppkey);
 648                         EVP_PKEY_free(tmppkey);
 649
 650                         if (!(i=X509_sign(x509ss,pkey,digest)))
 651                                 goto end;
 652                         }
 653                 else
 654                         {
 655                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 656                                 goto end;
 657                         }
 658                 }
 659
 660         if (verify && !x509)
 661                 {
 662                 int tmp=0;
 663
 664                 if (pkey == NULL)
 665                         {
 666                         pkey=X509_REQ_get_pubkey(req);
 667                         tmp=1;
 668                         if (pkey == NULL) goto end;
 669                         }
 670
 671                 i=X509_REQ_verify(req,pkey);
 672                 if (tmp) {
 673                         EVP_PKEY_free(pkey);
 674                         pkey=NULL;
 675                 }
 676
 677                 if (i < 0)
 678                         {
 679                         goto end;
 680                         }
 681                 else if (i == 0)
 682                         {
 683                         BIO_printf(bio_err,"verify failure\n");
 684                         }
 685                 else /* if (i > 0) */
 686                         BIO_printf(bio_err,"verify OK\n");
 687                 }
 688
 689         if (noout && !text && !modulus)
 690                 {
 691                 ex=0;
 692                 goto end;
 693                 }
 694
 695         if (outfile == NULL)
 696                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 697         else
 698                 {
 699                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 700                         i=(int)BIO_append_filename(out,outfile);
 701                 else
 702                         i=(int)BIO_write_filename(out,outfile);
 703                 if (!i)
 704                         {
 705                         perror(outfile);
 706                         goto end;
 707                         }
 708                 }
 709
 710         if (text)
 711                 {
 712                 if (x509)
 713                         X509_print(out,x509ss);
 714                 else
 715                         X509_REQ_print(out,req);
 716                 }
 717
 718         if (modulus)
 719                 {
 720                 EVP_PKEY *pubkey;
 721
 722                 if (x509)
 723                         pubkey=X509_get_pubkey(x509ss);
 724                 else
 725                         pubkey=X509_REQ_get_pubkey(req);
 726                 if (pubkey == NULL)
 727                         {
 728                         fprintf(stdout,"Modulus=unavailable\n");
 729                         goto end;
 730                         }
 731                 fprintf(stdout,"Modulus=");
 732 #ifndef NO_RSA
 733                 if (pubkey->type == EVP_PKEY_RSA)
 734                         BN_print(out,pubkey->pkey.rsa->n);
 735                 else
 736 #endif
 737                         fprintf(stdout,"Wrong Algorithm type");
 738                 fprintf(stdout,"\n");
 739                 }
 740
 741         if (!noout && !x509)
 742                 {
 743                 if      (outformat == FORMAT_ASN1)
 744                         i=i2d_X509_REQ_bio(out,req);
 745                 else if (outformat == FORMAT_PEM)
 746                         i=PEM_write_bio_X509_REQ(out,req);
 747                 else    {
 748                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 749                         goto end;
 750                         }
 751                 if (!i)
 752                         {
 753                         BIO_printf(bio_err,"unable to write X509 request\n");
 754                         goto end;
 755                         }
 756                 }
 757         if (!noout && x509 && (x509ss != NULL))
 758                 {
 759                 if      (outformat == FORMAT_ASN1)
 760                         i=i2d_X509_bio(out,x509ss);
 761                 else if (outformat == FORMAT_PEM)
 762                         i=PEM_write_bio_X509(out,x509ss);
 763                 else    {
 764                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 765                         goto end;
 766                         }
 767                 if (!i)
 768                         {
 769                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 770                         goto end;
 771                         }
 772                 }
 773         ex=0;
 774 end:
 775         if (ex)
 776                 {
 777                 ERR_print_errors(bio_err);
 778                 }
 779         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 780         if (in != NULL) BIO_free(in);
 781         if (out != NULL) BIO_free(out);
 782         if (pkey != NULL) EVP_PKEY_free(pkey);
 783         if (req != NULL) X509_REQ_free(req);
 784         if (x509ss != NULL) X509_free(x509ss);
 785 #ifndef NO_DSA
 786         if (dsa_params != NULL) DSA_free(dsa_params);
 787 #endif
 788         EXIT(ex);
 789         }
 790
 791 static int make_REQ(req,pkey,attribs)
 792 X509_REQ *req;
 793 EVP_PKEY *pkey;
 794 int attribs;
 795         {
 796         int ret=0,i,j;
 797         unsigned char *p,*q;
 798         X509_REQ_INFO *ri;
 799         char buf[100];
 800         int nid,min,max;
 801         char *type,*def,*tmp,*value,*tmp_attr;
 802         STACK *sk,*attr=NULL;
 803         CONF_VALUE *v;
 804
 805         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 806         if (tmp == NULL)
 807                 {
 808                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 809                         DISTINGUISHED_NAME);
 810                 goto err;
 811                 }
 812         sk=CONF_get_section(req_conf,tmp);
 813         if (sk == NULL)
 814                 {
 815                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 816                 goto err;
 817                 }
 818
 819         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 820         if (tmp_attr == NULL)
 821                 attr=NULL;
 822         else
 823                 {
 824                 attr=CONF_get_section(req_conf,tmp_attr);
 825                 if (attr == NULL)
 826                         {
 827                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 828                         goto err;
 829                         }
 830                 }
 831
 832         ri=req->req_info;
 833
 834         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 835         BIO_printf(bio_err,"into your certificate request.\n");
 836         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 837         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 838         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 839         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 840         BIO_printf(bio_err,"-----\n");
 841
 842         /* setup version number */
 843         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 844
 845         if (sk_num(sk))
 846                 {
 847                 i= -1;
 848 start:          for (;;)
 849                         {
 850                         i++;
 851                         if ((int)sk_num(sk) <= i) break;
 852
 853                         v=(CONF_VALUE *)sk_value(sk,i);
 854                         p=q=NULL;
 855                         type=v->name;
 856                         /* Allow for raw OIDs */
 857                         /* [n.mm.ooo.ppp] */
 858                         for (j=0; type[j] != '\0'; j++)
 859                                 {
 860                                 if (    (type[j] == ':') ||
 861                                         (type[j] == ',') ||
 862                                         (type[j] == '.'))
 863                                         p=(unsigned char *)&(type[j+1]);
 864                                 if (type[j] == '[')
 865                                         {
 866                                         p=(unsigned char *)&(type[j+1]);
 867                                         for (j++; type[j] != '\0'; j++)
 868                                                 if (type[j] == ']')
 869                                                         {
 870                                                         q=(unsigned char *)&(type[j]);
 871                                                         break;
 872                                                         }
 873                                         break;
 874                                         }
 875                                 }
 876                         if (p != NULL)
 877                                 type=(char *)p;
 878                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
 879                                 {
 880                                 /* Add a new one if possible */
 881                                 if ((p != NULL) && (q != NULL) && (*q == ']'))
 882                                         {
 883                                         *q='\0';
 884                                         nid=OBJ_create((char *)p,NULL,NULL);
 885                                         *q=']';
 886                                         if (nid == NID_undef) goto start;
 887                                         }
 888                                 else
 889                                         goto start;
 890                                 }
 891
 892                         sprintf(buf,"%s_default",v->name);
 893                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 894                                 def="";
 895
 896                         sprintf(buf,"%s_value",v->name);
 897                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 898                                 value=NULL;
 899
 900                         sprintf(buf,"%s_min",v->name);
 901                         min=(int)CONF_get_number(req_conf,tmp,buf);
 902
 903                         sprintf(buf,"%s_max",v->name);
 904                         max=(int)CONF_get_number(req_conf,tmp,buf);
 905
 906                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 907                                 min,max))
 908                                 goto err;
 909                         }
 910                 if (sk_num(ri->subject->entries) == 0)
 911                         {
 912                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 913                         goto err;
 914                         }
 915
 916                 if (attribs)
 917                         {
 918                         if ((attr != NULL) && (sk_num(attr) > 0))
 919                                 {
 920                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 921                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 922                                 }
 923
 924                         i= -1;
 925 start2:                 for (;;)
 926                                 {
 927                                 i++;
 928                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 929                                         break;
 930
 931                                 v=(CONF_VALUE *)sk_value(attr,i);
 932                                 type=v->name;
 933                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 934                                         goto start2;
 935
 936                                 sprintf(buf,"%s_default",type);
 937                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 938                                         == NULL)
 939                                         def="";
 940
 941                                 sprintf(buf,"%s_value",type);
 942                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 943                                         == NULL)
 944                                         value=NULL;
 945
 946                                 sprintf(buf,"%s_min",type);
 947                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 948
 949                                 sprintf(buf,"%s_max",type);
 950                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 951
 952                                 if (!add_attribute_object(ri->attributes,
 953                                         v->value,def,value,nid,min,max))
 954                                         goto err;
 955                                 }
 956                         }
 957                 }
 958         else
 959                 {
 960                 BIO_printf(bio_err,"No template, please set one up.\n");
 961                 goto err;
 962                 }
 963
 964         X509_REQ_set_pubkey(req,pkey);
 965
 966         ret=1;
 967 err:
 968         return(ret);
 969         }
 970
 971 static int add_DN_object(n,text,def,value,nid,min,max)
 972 X509_NAME *n;
 973 char *text;
 974 char *def;
 975 char *value;
 976 int nid;
 977 int min;
 978 int max;
 979         {
 980         int i,j,ret=0;
 981         X509_NAME_ENTRY *ne=NULL;
 982         MS_STATIC char buf[1024];
 983
 984         BIO_printf(bio_err,"%s [%s]:",text,def);
 985         BIO_flush(bio_err);
 986         if (value != NULL)
 987                 {
 988                 strcpy(buf,value);
 989                 strcat(buf,"\n");
 990                 BIO_printf(bio_err,"%s\n",value);
 991                 }
 992         else
 993                 {
 994                 buf[0]='\0';
 995                 fgets(buf,1024,stdin);
 996                 }
 997
 998         if (buf[0] == '\0') return(0);
 999         else if (buf[0] == '\n')
1000                 {
1001                 if ((def == NULL) || (def[0] == '\0'))
1002                         return(1);
1003                 strcpy(buf,def);
1004                 strcat(buf,"\n");
1005                 }
1006         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1007
1008         i=strlen(buf);
1009         if (buf[i-1] != '\n')
1010                 {
1011                 BIO_printf(bio_err,"weird input :-(\n");
1012                 return(0);
1013                 }
1014         buf[--i]='\0';
1015
1016         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1017         if (req_fix_data(nid,&j,i,min,max) == 0)
1018                 goto err;
1019         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1020                 strlen(buf)))
1021                 == NULL) goto err;
1022         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1023                 goto err;
1024
1025         ret=1;
1026 err:
1027         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1028         return(ret);
1029         }
1030
1031 static int add_attribute_object(n,text,def,value,nid,min,max)
1032 STACK *n;
1033 char *text;
1034 char *def;
1035 char *value;
1036 int nid;
1037 int min;
1038 int max;
1039         {
1040         int i,z;
1041         X509_ATTRIBUTE *xa=NULL;
1042         static char buf[1024];
1043         ASN1_BIT_STRING *bs=NULL;
1044         ASN1_TYPE *at=NULL;
1045
1046 start:
1047         BIO_printf(bio_err,"%s [%s]:",text,def);
1048         BIO_flush(bio_err);
1049         if (value != NULL)
1050                 {
1051                 strcpy(buf,value);
1052                 strcat(buf,"\n");
1053                 BIO_printf(bio_err,"%s\n",value);
1054                 }
1055         else
1056                 {
1057                 buf[0]='\0';
1058                 fgets(buf,1024,stdin);
1059                 }
1060
1061         if (buf[0] == '\0') return(0);
1062         else if (buf[0] == '\n')
1063                 {
1064                 if ((def == NULL) || (def[0] == '\0'))
1065                         return(1);
1066                 strcpy(buf,def);
1067                 strcat(buf,"\n");
1068                 }
1069         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1070
1071         i=strlen(buf);
1072         if (buf[i-1] != '\n')
1073                 {
1074                 BIO_printf(bio_err,"weird input :-(\n");
1075                 return(0);
1076                 }
1077         buf[--i]='\0';
1078
1079         /* add object plus value */
1080         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1081                 goto err;
1082         if ((xa->value.set=sk_new_null()) == NULL)
1083                 goto err;
1084         xa->set=1;
1085
1086         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1087         xa->object=OBJ_nid2obj(nid);
1088
1089         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1090
1091         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1092
1093         z=req_fix_data(nid,&bs->type,i,min,max);
1094         if (z == 0)
1095                 {
1096                 if (value == NULL)
1097                         goto start;
1098                 else    goto err;
1099                 }
1100
1101         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1102                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1103
1104         if ((at=ASN1_TYPE_new()) == NULL)
1105                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1106
1107         ASN1_TYPE_set(at,bs->type,(char *)bs);
1108         sk_push(xa->value.set,(char *)at);
1109         bs=NULL;
1110         at=NULL;
1111         /* only one item per attribute */
1112
1113         if (!sk_push(n,(char *)xa)) goto err;
1114         return(1);
1115 err:
1116         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1117         if (at != NULL) ASN1_TYPE_free(at);
1118         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1119         return(0);
1120         }
1121
1122 static void MS_CALLBACK req_cb(p,n,arg)
1123 int p;
1124 int n;
1125 char *arg;
1126         {
1127         char c='*';
1128
1129         if (p == 0) c='.';
1130         if (p == 1) c='+';
1131         if (p == 2) c='*';
1132         if (p == 3) c='\n';
1133         BIO_write((BIO *)arg,&c,1);
1134         BIO_flush((BIO *)arg);
1135 #ifdef LINT
1136         p=n;
1137 #endif
1138         }
1139
1140 static int req_fix_data(nid,type,len,min,max)
1141 int nid;
1142 int *type;
1143 int len,min,max;
1144         {
1145         if (nid == NID_pkcs9_emailAddress)
1146                 *type=V_ASN1_IA5STRING;
1147         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1148                 *type=V_ASN1_T61STRING;
1149         if ((nid == NID_pkcs9_challengePassword) &&
1150                 (*type == V_ASN1_IA5STRING))
1151                 *type=V_ASN1_T61STRING;
1152
1153         if ((nid == NID_pkcs9_unstructuredName) &&
1154                 (*type == V_ASN1_T61STRING))
1155                 {
1156                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1157                 return(0);
1158                 }
1159         if (nid == NID_pkcs9_unstructuredName)
1160                 *type=V_ASN1_IA5STRING;
1161
1162         if (len < min)
1163                 {
1164                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1165                 return(0);
1166                 }
1167         if ((max != 0) && (len > max))
1168                 {
1169                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1170                 return(0);
1171                 }
1172         return(1);
1173         }