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 <openssl/bio.h>
  68 #include <openssl/evp.h>
  69 #include <openssl/conf.h>
  70 #include <openssl/err.h>
  71 #include <openssl/asn1.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/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 #define V3_EXTENSIONS   "x509_extensions"
  84 #define REQ_EXTENSIONS  "req_extensions"
  85 #define DIRSTRING_TYPE  "dirstring_type"
  86
  87 #define DEFAULT_KEY_LENGTH      512
  88 #define MIN_KEY_LENGTH          384
  89
  90 #undef PROG
  91 #define PROG    req_main
  92
  93 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
  94  * -outform arg - output format - default PEM
  95  * -in arg      - input file - default stdin
  96  * -out arg     - output file - default stdout
  97  * -verify      - check request signature
  98  * -noout       - don't print stuff out.
  99  * -text        - print out human readable text.
 100  * -nodes       - no des encryption
 101  * -config file - Load configuration file.
 102  * -key file    - make a request using key in file (or use it for verification).
 103  * -keyform     - key file format.
 104  * -newkey      - make a key and a request.
 105  * -modulus     - print RSA modulus.
 106  * -x509        - output a self signed X509 structure instead.
 107  * -asn1-kludge - output new certificate request in a format that some CA's
 108  *                require.  This format is wrong
 109  */
 110
 111 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
 112 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
 113                                 char *def, char *value, int nid, int min,
 114                                 int max);
 115 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 116         int nid,int min,int max);
 117 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 118 static int req_fix_data(int nid,int *type,int len,int min,int max);
 119 static int check_end(char *str, char *end);
 120 static int add_oid_section(LHASH *conf);
 121 #ifndef MONOLITH
 122 static char *default_config_file=NULL;
 123 static LHASH *config=NULL;
 124 #endif
 125 static LHASH *req_conf=NULL;
 126
 127 #define TYPE_RSA        1
 128 #define TYPE_DSA        2
 129 #define TYPE_DH         3
 130
 131 int MAIN(int argc, char **argv)
 132         {
 133 #ifndef NO_DSA
 134         DSA *dsa_params=NULL;
 135 #endif
 136         int ex=1,x509=0,days=30;
 137         X509 *x509ss=NULL;
 138         X509_REQ *req=NULL;
 139         EVP_PKEY *pkey=NULL;
 140         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 141         BIO *in=NULL,*out=NULL;
 142         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 143         int nodes=0,kludge=0;
 144         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 145         char *extensions = NULL;
 146         char *req_exts = NULL;
 147         EVP_CIPHER *cipher=NULL;
 148         int modulus=0;
 149         char *p;
 150         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 151 #ifndef MONOLITH
 152         MS_STATIC char config_name[256];
 153 #endif
 154
 155         req_conf = NULL;
 156 #ifndef NO_DES
 157         cipher=EVP_des_ede3_cbc();
 158 #endif
 159         apps_startup();
 160
 161         if (bio_err == NULL)
 162                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 163                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 164
 165         infile=NULL;
 166         outfile=NULL;
 167         informat=FORMAT_PEM;
 168         outformat=FORMAT_PEM;
 169
 170         prog=argv[0];
 171         argc--;
 172         argv++;
 173         while (argc >= 1)
 174                 {
 175                 if      (strcmp(*argv,"-inform") == 0)
 176                         {
 177                         if (--argc < 1) goto bad;
 178                         informat=str2fmt(*(++argv));
 179                         }
 180                 else if (strcmp(*argv,"-outform") == 0)
 181                         {
 182                         if (--argc < 1) goto bad;
 183                         outformat=str2fmt(*(++argv));
 184                         }
 185                 else if (strcmp(*argv,"-key") == 0)
 186                         {
 187                         if (--argc < 1) goto bad;
 188                         keyfile= *(++argv);
 189                         }
 190                 else if (strcmp(*argv,"-new") == 0)
 191                         {
 192                         pkey_type=TYPE_RSA;
 193                         newreq=1;
 194                         }
 195                 else if (strcmp(*argv,"-config") == 0)
 196                         {
 197                         if (--argc < 1) goto bad;
 198                         template= *(++argv);
 199                         }
 200                 else if (strcmp(*argv,"-keyform") == 0)
 201                         {
 202                         if (--argc < 1) goto bad;
 203                         keyform=str2fmt(*(++argv));
 204                         }
 205                 else if (strcmp(*argv,"-in") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         infile= *(++argv);
 209                         }
 210                 else if (strcmp(*argv,"-out") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         outfile= *(++argv);
 214                         }
 215                 else if (strcmp(*argv,"-keyout") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         keyout= *(++argv);
 219                         }
 220                 else if (strcmp(*argv,"-newkey") == 0)
 221                         {
 222                         int is_numeric;
 223
 224                         if (--argc < 1) goto bad;
 225                         p= *(++argv);
 226                         is_numeric = p[0] >= '0' && p[0] <= '9';
 227                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 228                                 {
 229                                 pkey_type=TYPE_RSA;
 230                                 if(!is_numeric)
 231                                     p+=4;
 232                                 newkey= atoi(p);
 233                                 }
 234                         else
 235 #ifndef NO_DSA
 236                                 if (strncmp("dsa:",p,4) == 0)
 237                                 {
 238                                 X509 *xtmp=NULL;
 239                                 EVP_PKEY *dtmp;
 240
 241                                 pkey_type=TYPE_DSA;
 242                                 p+=4;
 243                                 if ((in=BIO_new_file(p,"r")) == NULL)
 244                                         {
 245                                         perror(p);
 246                                         goto end;
 247                                         }
 248                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 249                                         {
 250                                         ERR_clear_error();
 251                                         (void)BIO_reset(in);
 252                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 253                                                 {
 254                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 255                                                 goto end;
 256                                                 }
 257
 258                                         dtmp=X509_get_pubkey(xtmp);
 259                                         if (dtmp->type == EVP_PKEY_DSA)
 260                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 261                                         EVP_PKEY_free(dtmp);
 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 if (strcmp(*argv,"-extensions") == 0)
 315                         {
 316                         if (--argc < 1) goto bad;
 317                         extensions = *(++argv);
 318                         }
 319                 else if (strcmp(*argv,"-reqexts") == 0)
 320                         {
 321                         if (--argc < 1) goto bad;
 322                         req_exts = *(++argv);
 323                         }
 324                 else
 325                         {
 326                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 327                         badops=1;
 328                         break;
 329                         }
 330                 argc--;
 331                 argv++;
 332                 }
 333
 334         if (badops)
 335                 {
 336 bad:
 337                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 338                 BIO_printf(bio_err,"where options  are\n");
 339                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 340                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 341                 BIO_printf(bio_err," -in arg        input file\n");
 342                 BIO_printf(bio_err," -out arg       output file\n");
 343                 BIO_printf(bio_err," -text          text form of request\n");
 344                 BIO_printf(bio_err," -noout         do not output REQ\n");
 345                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 346                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 347                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 348                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 349                 BIO_printf(bio_err," -keyform arg   key file format\n");
 350                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 351                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 352                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 353
 354                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 355                 BIO_printf(bio_err," -config file   request template file.\n");
 356                 BIO_printf(bio_err," -new           new request.\n");
 357                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 358                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 359                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 360                 BIO_printf(bio_err,"                have been reported as requiring\n");
 361                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 362                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 363                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 364                 goto end;
 365                 }
 366
 367         ERR_load_crypto_strings();
 368         X509V3_add_standard_extensions();
 369
 370 #ifndef MONOLITH
 371         /* Lets load up our environment a little */
 372         p=getenv("OPENSSL_CONF");
 373         if (p == NULL)
 374                 p=getenv("SSLEAY_CONF");
 375         if (p == NULL)
 376                 {
 377                 strcpy(config_name,X509_get_default_cert_area());
 378 #ifndef VMS
 379                 strcat(config_name,"/");
 380 #endif
 381                 strcat(config_name,OPENSSL_CONF);
 382                 p=config_name;
 383                 }
 384         default_config_file=p;
 385         config=CONF_load(config,p,NULL);
 386 #endif
 387
 388         if (template != NULL)
 389                 {
 390                 long errline;
 391
 392                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 393                 req_conf=CONF_load(NULL,template,&errline);
 394                 if (req_conf == NULL)
 395                         {
 396                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 397                         goto end;
 398                         }
 399                 }
 400         else
 401                 {
 402                 req_conf=config;
 403                 BIO_printf(bio_err,"Using configuration from %s\n",
 404                         default_config_file);
 405                 if (req_conf == NULL)
 406                         {
 407                         BIO_printf(bio_err,"Unable to load config info\n");
 408                         }
 409                 }
 410
 411         if (req_conf != NULL)
 412                 {
 413                 p=CONF_get_string(req_conf,NULL,"oid_file");
 414                 if (p != NULL)
 415                         {
 416                         BIO *oid_bio;
 417
 418                         oid_bio=BIO_new_file(p,"r");
 419                         if (oid_bio == NULL)
 420                                 {
 421                                 /*
 422                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 423                                 ERR_print_errors(bio_err);
 424                                 */
 425                                 }
 426                         else
 427                                 {
 428                                 OBJ_create_objects(oid_bio);
 429                                 BIO_free(oid_bio);
 430                                 }
 431                         }
 432                 }
 433                 if(!add_oid_section(req_conf)) goto end;
 434
 435         if ((md_alg == NULL) &&
 436                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 437                 {
 438                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 439                         digest=md_alg;
 440                 }
 441
 442         if(!extensions)
 443                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 444         if(extensions) {
 445                 /* Check syntax of file */
 446                 X509V3_CTX ctx;
 447                 X509V3_set_ctx_test(&ctx);
 448                 X509V3_set_conf_lhash(&ctx, req_conf);
 449                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
 450                         BIO_printf(bio_err,
 451                          "Error Loading extension section %s\n", extensions);
 452                         goto end;
 453                 }
 454         }
 455
 456         p = CONF_get_string(req_conf, SECTION, DIRSTRING_TYPE);
 457
 458         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 459                 BIO_printf(bio_err, "Invalid DiretoryString setting %s", p);
 460                 goto end;
 461         }
 462
 463         if(!req_exts)
 464                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 465         if(req_exts) {
 466                 /* Check syntax of file */
 467                 X509V3_CTX ctx;
 468                 X509V3_set_ctx_test(&ctx);
 469                 X509V3_set_conf_lhash(&ctx, req_conf);
 470                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 471                         BIO_printf(bio_err,
 472                          "Error Loading request extension section %s\n",
 473                                                                 req_exts);
 474                         goto end;
 475                 }
 476         }
 477
 478         in=BIO_new(BIO_s_file());
 479         out=BIO_new(BIO_s_file());
 480         if ((in == NULL) || (out == NULL))
 481                 goto end;
 482
 483         if (keyfile != NULL)
 484                 {
 485                 if (BIO_read_filename(in,keyfile) <= 0)
 486                         {
 487                         perror(keyfile);
 488                         goto end;
 489                         }
 490
 491 /*              if (keyform == FORMAT_ASN1)
 492                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 493                 else */
 494                 if (keyform == FORMAT_PEM)
 495                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL);
 496                 else
 497                         {
 498                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 499                         goto end;
 500                         }
 501
 502                 if (pkey == NULL)
 503                         {
 504                         BIO_printf(bio_err,"unable to load Private key\n");
 505                         goto end;
 506                         }
 507                 }
 508
 509         if (newreq && (pkey == NULL))
 510                 {
 511                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 512                 app_RAND_load_file(randfile, bio_err, 0);
 513
 514                 if (newkey <= 0)
 515                         {
 516                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 517                         if (newkey <= 0)
 518                                 newkey=DEFAULT_KEY_LENGTH;
 519                         }
 520
 521                 if (newkey < MIN_KEY_LENGTH)
 522                         {
 523                         BIO_printf(bio_err,"private key length is too short,\n");
 524                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 525                         goto end;
 526                         }
 527                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 528                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 529
 530                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 531
 532 #ifndef NO_RSA
 533                 if (pkey_type == TYPE_RSA)
 534                         {
 535                         if (!EVP_PKEY_assign_RSA(pkey,
 536                                 RSA_generate_key(newkey,0x10001,
 537                                         req_cb,bio_err)))
 538                                 goto end;
 539                         }
 540                 else
 541 #endif
 542 #ifndef NO_DSA
 543                         if (pkey_type == TYPE_DSA)
 544                         {
 545                         if (!DSA_generate_key(dsa_params)) goto end;
 546                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 547                         dsa_params=NULL;
 548                         }
 549 #endif
 550
 551                 app_RAND_write_file(randfile, bio_err);
 552
 553                 if (pkey == NULL) goto end;
 554
 555                 if (keyout == NULL)
 556                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 557
 558                 if (keyout == NULL)
 559                         {
 560                         BIO_printf(bio_err,"writing new private key to stdout\n");
 561                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 562                         }
 563                 else
 564                         {
 565                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 566                         if (BIO_write_filename(out,keyout) <= 0)
 567                                 {
 568                                 perror(keyout);
 569                                 goto end;
 570                                 }
 571                         }
 572
 573                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 574                 if (p == NULL)
 575                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 576                 if ((p != NULL) && (strcmp(p,"no") == 0))
 577                         cipher=NULL;
 578                 if (nodes) cipher=NULL;
 579
 580                 i=0;
 581 loop:
 582                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 583                         NULL,0,NULL,NULL))
 584                         {
 585                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 586                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 587                                 {
 588                                 ERR_clear_error();
 589                                 i++;
 590                                 goto loop;
 591                                 }
 592                         goto end;
 593                         }
 594                 BIO_printf(bio_err,"-----\n");
 595                 }
 596
 597         if (!newreq)
 598                 {
 599                 /* Since we are using a pre-existing certificate
 600                  * request, the kludge 'format' info should not be
 601                  * changed. */
 602                 kludge= -1;
 603                 if (infile == NULL)
 604                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 605                 else
 606                         {
 607                         if (BIO_read_filename(in,infile) <= 0)
 608                                 {
 609                                 perror(infile);
 610                                 goto end;
 611                                 }
 612                         }
 613
 614                 if      (informat == FORMAT_ASN1)
 615                         req=d2i_X509_REQ_bio(in,NULL);
 616                 else if (informat == FORMAT_PEM)
 617                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 618                 else
 619                         {
 620                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 621                         goto end;
 622                         }
 623                 if (req == NULL)
 624                         {
 625                         BIO_printf(bio_err,"unable to load X509 request\n");
 626                         goto end;
 627                         }
 628                 }
 629
 630         if (newreq || x509)
 631                 {
 632 #ifndef NO_DSA
 633                 if (pkey->type == EVP_PKEY_DSA)
 634                         digest=EVP_dss1();
 635 #endif
 636
 637                 if (pkey == NULL)
 638                         {
 639                         BIO_printf(bio_err,"you need to specify a private key\n");
 640                         goto end;
 641                         }
 642                 if (req == NULL)
 643                         {
 644                         req=X509_REQ_new();
 645                         if (req == NULL)
 646                                 {
 647                                 goto end;
 648                                 }
 649
 650                         i=make_REQ(req,pkey,!x509);
 651                         if (kludge >= 0)
 652                                 req->req_info->req_kludge=kludge;
 653                         if (!i)
 654                                 {
 655                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 656                                 goto end;
 657                                 }
 658                         }
 659                 if (x509)
 660                         {
 661                         EVP_PKEY *tmppkey;
 662                         X509V3_CTX ext_ctx;
 663                         if ((x509ss=X509_new()) == NULL) goto end;
 664
 665                         /* Set version to V3 */
 666                         if(!X509_set_version(x509ss, 2)) goto end;
 667                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 668
 669                         X509_set_issuer_name(x509ss,
 670                                 X509_REQ_get_subject_name(req));
 671                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 672                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 673                                 (long)60*60*24*days);
 674                         X509_set_subject_name(x509ss,
 675                                 X509_REQ_get_subject_name(req));
 676                         tmppkey = X509_REQ_get_pubkey(req);
 677                         X509_set_pubkey(x509ss,tmppkey);
 678                         EVP_PKEY_free(tmppkey);
 679
 680                         /* Set up V3 context struct */
 681
 682                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 683                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 684
 685                         /* Add extensions */
 686                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 687                                         &ext_ctx, extensions, x509ss))
 688                             {
 689                             BIO_printf(bio_err,
 690                                        "Error Loading extension section %s\n",
 691                                        extensions);
 692                             goto end;
 693                             }
 694
 695                         if (!(i=X509_sign(x509ss,pkey,digest)))
 696                                 goto end;
 697                         }
 698                 else
 699                         {
 700                         X509V3_CTX ext_ctx;
 701
 702                         /* Set up V3 context struct */
 703
 704                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 705                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 706
 707                         /* Add extensions */
 708                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 709                                         &ext_ctx, req_exts, req))
 710                             {
 711                             BIO_printf(bio_err,
 712                                        "Error Loading extension section %s\n",
 713                                        req_exts);
 714                             goto end;
 715                             }
 716                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 717                                 goto end;
 718                         }
 719                 }
 720
 721         if (verify && !x509)
 722                 {
 723                 int tmp=0;
 724
 725                 if (pkey == NULL)
 726                         {
 727                         pkey=X509_REQ_get_pubkey(req);
 728                         tmp=1;
 729                         if (pkey == NULL) goto end;
 730                         }
 731
 732                 i=X509_REQ_verify(req,pkey);
 733                 if (tmp) {
 734                         EVP_PKEY_free(pkey);
 735                         pkey=NULL;
 736                 }
 737
 738                 if (i < 0)
 739                         {
 740                         goto end;
 741                         }
 742                 else if (i == 0)
 743                         {
 744                         BIO_printf(bio_err,"verify failure\n");
 745                         }
 746                 else /* if (i > 0) */
 747                         BIO_printf(bio_err,"verify OK\n");
 748                 }
 749
 750         if (noout && !text && !modulus)
 751                 {
 752                 ex=0;
 753                 goto end;
 754                 }
 755
 756         if (outfile == NULL)
 757                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 758         else
 759                 {
 760                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 761                         i=(int)BIO_append_filename(out,outfile);
 762                 else
 763                         i=(int)BIO_write_filename(out,outfile);
 764                 if (!i)
 765                         {
 766                         perror(outfile);
 767                         goto end;
 768                         }
 769                 }
 770
 771         if (text)
 772                 {
 773                 if (x509)
 774                         X509_print(out,x509ss);
 775                 else
 776                         X509_REQ_print(out,req);
 777                 }
 778
 779         if (modulus)
 780                 {
 781                 EVP_PKEY *pubkey;
 782
 783                 if (x509)
 784                         pubkey=X509_get_pubkey(x509ss);
 785                 else
 786                         pubkey=X509_REQ_get_pubkey(req);
 787                 if (pubkey == NULL)
 788                         {
 789                         fprintf(stdout,"Modulus=unavailable\n");
 790                         goto end;
 791                         }
 792                 fprintf(stdout,"Modulus=");
 793 #ifndef NO_RSA
 794                 if (pubkey->type == EVP_PKEY_RSA)
 795                         BN_print(out,pubkey->pkey.rsa->n);
 796                 else
 797 #endif
 798                         fprintf(stdout,"Wrong Algorithm type");
 799                 fprintf(stdout,"\n");
 800                 }
 801
 802         if (!noout && !x509)
 803                 {
 804                 if      (outformat == FORMAT_ASN1)
 805                         i=i2d_X509_REQ_bio(out,req);
 806                 else if (outformat == FORMAT_PEM)
 807                         i=PEM_write_bio_X509_REQ(out,req);
 808                 else    {
 809                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 810                         goto end;
 811                         }
 812                 if (!i)
 813                         {
 814                         BIO_printf(bio_err,"unable to write X509 request\n");
 815                         goto end;
 816                         }
 817                 }
 818         if (!noout && x509 && (x509ss != NULL))
 819                 {
 820                 if      (outformat == FORMAT_ASN1)
 821                         i=i2d_X509_bio(out,x509ss);
 822                 else if (outformat == FORMAT_PEM)
 823                         i=PEM_write_bio_X509(out,x509ss);
 824                 else    {
 825                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 826                         goto end;
 827                         }
 828                 if (!i)
 829                         {
 830                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 831                         goto end;
 832                         }
 833                 }
 834         ex=0;
 835 end:
 836         if (ex)
 837                 {
 838                 ERR_print_errors(bio_err);
 839                 }
 840         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 841         BIO_free(in);
 842         BIO_free(out);
 843         EVP_PKEY_free(pkey);
 844         X509_REQ_free(req);
 845         X509_free(x509ss);
 846         X509V3_EXT_cleanup();
 847         OBJ_cleanup();
 848 #ifndef NO_DSA
 849         if (dsa_params != NULL) DSA_free(dsa_params);
 850 #endif
 851         EXIT(ex);
 852         }
 853
 854 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
 855         {
 856         int ret=0,i;
 857         char *p,*q;
 858         X509_REQ_INFO *ri;
 859         char buf[100];
 860         int nid,min,max;
 861         char *type,*def,*tmp,*value,*tmp_attr;
 862         STACK_OF(CONF_VALUE) *sk, *attr=NULL;
 863         CONF_VALUE *v;
 864
 865         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 866         if (tmp == NULL)
 867                 {
 868                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 869                         DISTINGUISHED_NAME);
 870                 goto err;
 871                 }
 872         sk=CONF_get_section(req_conf,tmp);
 873         if (sk == NULL)
 874                 {
 875                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 876                 goto err;
 877                 }
 878
 879         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 880         if (tmp_attr == NULL)
 881                 attr=NULL;
 882         else
 883                 {
 884                 attr=CONF_get_section(req_conf,tmp_attr);
 885                 if (attr == NULL)
 886                         {
 887                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 888                         goto err;
 889                         }
 890                 }
 891
 892         ri=req->req_info;
 893
 894         /* setup version number */
 895         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 896
 897         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 898         BIO_printf(bio_err,"into your certificate request.\n");
 899         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 900         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 901         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 902         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 903         BIO_printf(bio_err,"-----\n");
 904
 905
 906         if (sk_CONF_VALUE_num(sk))
 907                 {
 908                 i= -1;
 909 start:          for (;;)
 910                         {
 911                         i++;
 912                         if (sk_CONF_VALUE_num(sk) <= i) break;
 913
 914                         v=sk_CONF_VALUE_value(sk,i);
 915                         p=q=NULL;
 916                         type=v->name;
 917                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
 918                                 !check_end(type,"_default") ||
 919                                          !check_end(type,"_value")) continue;
 920                         /* Skip past any leading X. X: X, etc to allow for
 921                          * multiple instances
 922                          */
 923                         for(p = v->name; *p ; p++)
 924                                 if ((*p == ':') || (*p == ',') ||
 925                                                          (*p == '.')) {
 926                                         p++;
 927                                         if(*p) type = p;
 928                                         break;
 929                                 }
 930                         /* If OBJ not recognised ignore it */
 931                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
 932                         sprintf(buf,"%s_default",v->name);
 933                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 934                                 def="";
 935
 936                         sprintf(buf,"%s_value",v->name);
 937                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 938                                 value=NULL;
 939
 940                         sprintf(buf,"%s_min",v->name);
 941                         min=(int)CONF_get_number(req_conf,tmp,buf);
 942
 943                         sprintf(buf,"%s_max",v->name);
 944                         max=(int)CONF_get_number(req_conf,tmp,buf);
 945
 946                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 947                                 min,max))
 948                                 goto err;
 949                         }
 950                 if (sk_X509_NAME_ENTRY_num(ri->subject->entries) == 0)
 951                         {
 952                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 953                         goto err;
 954                         }
 955
 956                 if (attribs)
 957                         {
 958                         if ((attr != NULL) && (sk_CONF_VALUE_num(attr) > 0))
 959                                 {
 960                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 961                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 962                                 }
 963
 964                         i= -1;
 965 start2:                 for (;;)
 966                                 {
 967                                 i++;
 968                                 if ((attr == NULL) ||
 969                                             (sk_CONF_VALUE_num(attr) <= i))
 970                                         break;
 971
 972                                 v=sk_CONF_VALUE_value(attr,i);
 973                                 type=v->name;
 974                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 975                                         goto start2;
 976
 977                                 sprintf(buf,"%s_default",type);
 978                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 979                                         == NULL)
 980                                         def="";
 981
 982                                 sprintf(buf,"%s_value",type);
 983                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 984                                         == NULL)
 985                                         value=NULL;
 986
 987                                 sprintf(buf,"%s_min",type);
 988                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 989
 990                                 sprintf(buf,"%s_max",type);
 991                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 992
 993                                 if (!add_attribute_object(ri->attributes,
 994                                         v->value,def,value,nid,min,max))
 995                                         goto err;
 996                                 }
 997                         }
 998                 }
 999         else
1000                 {
1001                 BIO_printf(bio_err,"No template, please set one up.\n");
1002                 goto err;
1003                 }
1004
1005         X509_REQ_set_pubkey(req,pkey);
1006
1007         ret=1;
1008 err:
1009         return(ret);
1010         }
1011
1012 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1013              int nid, int min, int max)
1014         {
1015         int i,ret=0;
1016         MS_STATIC char buf[1024];
1017
1018         BIO_printf(bio_err,"%s [%s]:",text,def);
1019         (void)BIO_flush(bio_err);
1020         if (value != NULL)
1021                 {
1022                 strcpy(buf,value);
1023                 strcat(buf,"\n");
1024                 BIO_printf(bio_err,"%s\n",value);
1025                 }
1026         else
1027                 {
1028                 buf[0]='\0';
1029                 fgets(buf,1024,stdin);
1030                 }
1031
1032         if (buf[0] == '\0') return(0);
1033         else if (buf[0] == '\n')
1034                 {
1035                 if ((def == NULL) || (def[0] == '\0'))
1036                         return(1);
1037                 strcpy(buf,def);
1038                 strcat(buf,"\n");
1039                 }
1040         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1041
1042         i=strlen(buf);
1043         if (buf[i-1] != '\n')
1044                 {
1045                 BIO_printf(bio_err,"weird input :-(\n");
1046                 return(0);
1047                 }
1048         buf[--i]='\0';
1049
1050 #ifdef CHARSET_EBCDIC
1051         ebcdic2ascii(buf, buf, i);
1052 #endif
1053         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1054                                 (unsigned char *) buf, -1,-1,0)) goto err;
1055         ret=1;
1056 err:
1057         return(ret);
1058         }
1059
1060 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
1061                                 char *def, char *value, int nid, int min,
1062                                 int max)
1063         {
1064         int i,z;
1065         X509_ATTRIBUTE *xa=NULL;
1066         static char buf[1024];
1067         ASN1_BIT_STRING *bs=NULL;
1068         ASN1_TYPE *at=NULL;
1069
1070 start:
1071         BIO_printf(bio_err,"%s [%s]:",text,def);
1072         (void)BIO_flush(bio_err);
1073         if (value != NULL)
1074                 {
1075                 strcpy(buf,value);
1076                 strcat(buf,"\n");
1077                 BIO_printf(bio_err,"%s\n",value);
1078                 }
1079         else
1080                 {
1081                 buf[0]='\0';
1082                 fgets(buf,1024,stdin);
1083                 }
1084
1085         if (buf[0] == '\0') return(0);
1086         else if (buf[0] == '\n')
1087                 {
1088                 if ((def == NULL) || (def[0] == '\0'))
1089                         return(1);
1090                 strcpy(buf,def);
1091                 strcat(buf,"\n");
1092                 }
1093         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1094
1095         i=strlen(buf);
1096         if (buf[i-1] != '\n')
1097                 {
1098                 BIO_printf(bio_err,"weird input :-(\n");
1099                 return(0);
1100                 }
1101         buf[--i]='\0';
1102
1103         /* add object plus value */
1104         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1105                 goto err;
1106         if ((xa->value.set=sk_ASN1_TYPE_new_null()) == NULL)
1107                 goto err;
1108         xa->set=1;
1109
1110         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1111         xa->object=OBJ_nid2obj(nid);
1112
1113         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1114
1115         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1116
1117         z=req_fix_data(nid,&bs->type,i,min,max);
1118         if (z == 0)
1119                 {
1120                 if (value == NULL)
1121                         goto start;
1122                 else    goto err;
1123                 }
1124
1125         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1126                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1127
1128         if ((at=ASN1_TYPE_new()) == NULL)
1129                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1130
1131         ASN1_TYPE_set(at,bs->type,(char *)bs);
1132         sk_ASN1_TYPE_push(xa->value.set,at);
1133         bs=NULL;
1134         at=NULL;
1135         /* only one item per attribute */
1136
1137         if (!sk_X509_ATTRIBUTE_push(n,xa)) goto err;
1138         return(1);
1139 err:
1140         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1141         if (at != NULL) ASN1_TYPE_free(at);
1142         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1143         return(0);
1144         }
1145
1146 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1147         {
1148         char c='*';
1149
1150         if (p == 0) c='.';
1151         if (p == 1) c='+';
1152         if (p == 2) c='*';
1153         if (p == 3) c='\n';
1154         BIO_write((BIO *)arg,&c,1);
1155         (void)BIO_flush((BIO *)arg);
1156 #ifdef LINT
1157         p=n;
1158 #endif
1159         }
1160
1161 static int req_fix_data(int nid, int *type, int len, int min, int max)
1162         {
1163         if (nid == NID_pkcs9_emailAddress)
1164                 *type=V_ASN1_IA5STRING;
1165         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1166                 *type=V_ASN1_T61STRING;
1167         if ((nid == NID_pkcs9_challengePassword) &&
1168                 (*type == V_ASN1_IA5STRING))
1169                 *type=V_ASN1_T61STRING;
1170
1171         if ((nid == NID_pkcs9_unstructuredName) &&
1172                 (*type == V_ASN1_T61STRING))
1173                 {
1174                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1175                 return(0);
1176                 }
1177         if (nid == NID_pkcs9_unstructuredName)
1178                 *type=V_ASN1_IA5STRING;
1179
1180         if (len < min)
1181                 {
1182                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1183                 return(0);
1184                 }
1185         if ((max != 0) && (len > max))
1186                 {
1187                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1188                 return(0);
1189                 }
1190         return(1);
1191         }
1192
1193 /* Check if the end of a string matches 'end' */
1194 static int check_end(char *str, char *end)
1195 {
1196         int elen, slen;
1197         char *tmp;
1198         elen = strlen(end);
1199         slen = strlen(str);
1200         if(elen > slen) return 1;
1201         tmp = str + slen - elen;
1202         return strcmp(tmp, end);
1203 }
1204
1205 static int add_oid_section(LHASH *conf)
1206 {
1207         char *p;
1208         STACK_OF(CONF_VALUE) *sktmp;
1209         CONF_VALUE *cnf;
1210         int i;
1211         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1212         if(!(sktmp = CONF_get_section(conf, p))) {
1213                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1214                 return 0;
1215         }
1216         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
1217                 cnf = sk_CONF_VALUE_value(sktmp, i);
1218                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1219                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1220                                                          cnf->name, cnf->value);
1221                         return 0;
1222                 }
1223         }
1224         return 1;
1225 }