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/rand.h>
  70 #include <openssl/conf.h>
  71 #include <openssl/err.h>
  72 #include <openssl/asn1.h>
  73 #include <openssl/x509.h>
  74 #include <openssl/x509v3.h>
  75 #include <openssl/objects.h>
  76 #include <openssl/pem.h>
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85 #define REQ_EXTENSIONS  "req_extensions"
  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 #ifndef NO_DES
 156         cipher=EVP_des_ede3_cbc();
 157 #endif
 158         apps_startup();
 159
 160         if (bio_err == NULL)
 161                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 162                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 163
 164         infile=NULL;
 165         outfile=NULL;
 166         informat=FORMAT_PEM;
 167         outformat=FORMAT_PEM;
 168
 169         prog=argv[0];
 170         argc--;
 171         argv++;
 172         while (argc >= 1)
 173                 {
 174                 if      (strcmp(*argv,"-inform") == 0)
 175                         {
 176                         if (--argc < 1) goto bad;
 177                         informat=str2fmt(*(++argv));
 178                         }
 179                 else if (strcmp(*argv,"-outform") == 0)
 180                         {
 181                         if (--argc < 1) goto bad;
 182                         outformat=str2fmt(*(++argv));
 183                         }
 184                 else if (strcmp(*argv,"-key") == 0)
 185                         {
 186                         if (--argc < 1) goto bad;
 187                         keyfile= *(++argv);
 188                         }
 189                 else if (strcmp(*argv,"-new") == 0)
 190                         {
 191                         pkey_type=TYPE_RSA;
 192                         newreq=1;
 193                         }
 194                 else if (strcmp(*argv,"-config") == 0)
 195                         {
 196                         if (--argc < 1) goto bad;
 197                         template= *(++argv);
 198                         }
 199                 else if (strcmp(*argv,"-keyform") == 0)
 200                         {
 201                         if (--argc < 1) goto bad;
 202                         keyform=str2fmt(*(++argv));
 203                         }
 204                 else if (strcmp(*argv,"-in") == 0)
 205                         {
 206                         if (--argc < 1) goto bad;
 207                         infile= *(++argv);
 208                         }
 209                 else if (strcmp(*argv,"-out") == 0)
 210                         {
 211                         if (--argc < 1) goto bad;
 212                         outfile= *(++argv);
 213                         }
 214                 else if (strcmp(*argv,"-keyout") == 0)
 215                         {
 216                         if (--argc < 1) goto bad;
 217                         keyout= *(++argv);
 218                         }
 219                 else if (strcmp(*argv,"-newkey") == 0)
 220                         {
 221                         int is_numeric;
 222
 223                         if (--argc < 1) goto bad;
 224                         p= *(++argv);
 225                         is_numeric = p[0] >= '0' && p[0] <= '9';
 226                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 227                                 {
 228                                 pkey_type=TYPE_RSA;
 229                                 if(!is_numeric)
 230                                     p+=4;
 231                                 newkey= atoi(p);
 232                                 }
 233                         else
 234 #ifndef NO_DSA
 235                                 if (strncmp("dsa:",p,4) == 0)
 236                                 {
 237                                 X509 *xtmp=NULL;
 238                                 EVP_PKEY *dtmp;
 239
 240                                 pkey_type=TYPE_DSA;
 241                                 p+=4;
 242                                 if ((in=BIO_new_file(p,"r")) == NULL)
 243                                         {
 244                                         perror(p);
 245                                         goto end;
 246                                         }
 247                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 248                                         {
 249                                         ERR_clear_error();
 250                                         (void)BIO_reset(in);
 251                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 252                                                 {
 253                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 254                                                 goto end;
 255                                                 }
 256
 257                                         dtmp=X509_get_pubkey(xtmp);
 258                                         if (dtmp->type == EVP_PKEY_DSA)
 259                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 260                                         EVP_PKEY_free(dtmp);
 261                                         X509_free(xtmp);
 262                                         if (dsa_params == NULL)
 263                                                 {
 264                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 265                                                 goto end;
 266                                                 }
 267                                         }
 268                                 BIO_free(in);
 269                                 newkey=BN_num_bits(dsa_params->p);
 270                                 in=NULL;
 271                                 }
 272                         else
 273 #endif
 274 #ifndef NO_DH
 275                                 if (strncmp("dh:",p,4) == 0)
 276                                 {
 277                                 pkey_type=TYPE_DH;
 278                                 p+=3;
 279                                 }
 280                         else
 281 #endif
 282                                 pkey_type=TYPE_RSA;
 283
 284                         newreq=1;
 285                         }
 286                 else if (strcmp(*argv,"-modulus") == 0)
 287                         modulus=1;
 288                 else if (strcmp(*argv,"-verify") == 0)
 289                         verify=1;
 290                 else if (strcmp(*argv,"-nodes") == 0)
 291                         nodes=1;
 292                 else if (strcmp(*argv,"-noout") == 0)
 293                         noout=1;
 294                 else if (strcmp(*argv,"-text") == 0)
 295                         text=1;
 296                 else if (strcmp(*argv,"-x509") == 0)
 297                         x509=1;
 298                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 299                         kludge=1;
 300                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 301                         kludge=0;
 302                 else if (strcmp(*argv,"-days") == 0)
 303                         {
 304                         if (--argc < 1) goto bad;
 305                         days= atoi(*(++argv));
 306                         if (days == 0) days=30;
 307                         }
 308                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 309                         {
 310                         /* ok */
 311                         digest=md_alg;
 312                         }
 313                 else if (strcmp(*argv,"-extensions") == 0)
 314                         {
 315                         if (--argc < 1) goto bad;
 316                         extensions = *(++argv);
 317                         }
 318                 else if (strcmp(*argv,"-reqexts") == 0)
 319                         {
 320                         if (--argc < 1) goto bad;
 321                         req_exts = *(++argv);
 322                         }
 323                 else
 324                         {
 325                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 326                         badops=1;
 327                         break;
 328                         }
 329                 argc--;
 330                 argv++;
 331                 }
 332
 333         if (badops)
 334                 {
 335 bad:
 336                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 337                 BIO_printf(bio_err,"where options  are\n");
 338                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 339                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 340                 BIO_printf(bio_err," -in arg        input file\n");
 341                 BIO_printf(bio_err," -out arg       output file\n");
 342                 BIO_printf(bio_err," -text          text form of request\n");
 343                 BIO_printf(bio_err," -noout         do not output REQ\n");
 344                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 345                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 346                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 347                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 348                 BIO_printf(bio_err," -keyform arg   key file format\n");
 349                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 350                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 351                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 352
 353                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 354                 BIO_printf(bio_err," -config file   request template file.\n");
 355                 BIO_printf(bio_err," -new           new request.\n");
 356                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 357                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 358                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 359                 BIO_printf(bio_err,"                have been reported as requiring\n");
 360                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 361                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 362                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 363                 goto end;
 364                 }
 365
 366         ERR_load_crypto_strings();
 367         X509V3_add_standard_extensions();
 368
 369 #ifndef MONOLITH
 370         /* Lets load up our environment a little */
 371         p=getenv("OPENSSL_CONF");
 372         if (p == NULL)
 373                 p=getenv("SSLEAY_CONF");
 374         if (p == NULL)
 375                 {
 376                 strcpy(config_name,X509_get_default_cert_area());
 377 #ifndef VMS
 378                 strcat(config_name,"/");
 379 #endif
 380                 strcat(config_name,OPENSSL_CONF);
 381                 p=config_name;
 382                 }
 383         default_config_file=p;
 384         config=CONF_load(config,p,NULL);
 385 #endif
 386
 387         if (template != NULL)
 388                 {
 389                 long errline;
 390
 391                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 392                 req_conf=CONF_load(NULL,template,&errline);
 393                 if (req_conf == NULL)
 394                         {
 395                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 396                         goto end;
 397                         }
 398                 }
 399         else
 400                 {
 401                 req_conf=config;
 402                 BIO_printf(bio_err,"Using configuration from %s\n",
 403                         default_config_file);
 404                 if (req_conf == NULL)
 405                         {
 406                         BIO_printf(bio_err,"Unable to load config info\n");
 407                         }
 408                 }
 409
 410         if (req_conf != NULL)
 411                 {
 412                 p=CONF_get_string(req_conf,NULL,"oid_file");
 413                 if (p != NULL)
 414                         {
 415                         BIO *oid_bio;
 416
 417                         oid_bio=BIO_new_file(p,"r");
 418                         if (oid_bio == NULL)
 419                                 {
 420                                 /*
 421                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 422                                 ERR_print_errors(bio_err);
 423                                 */
 424                                 }
 425                         else
 426                                 {
 427                                 OBJ_create_objects(oid_bio);
 428                                 BIO_free(oid_bio);
 429                                 }
 430                         }
 431                 }
 432                 if(!add_oid_section(req_conf)) goto end;
 433
 434         if ((md_alg == NULL) &&
 435                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 436                 {
 437                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 438                         digest=md_alg;
 439                 }
 440
 441         if(!extensions)
 442                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 443         if(extensions) {
 444                 /* Check syntax of file */
 445                 X509V3_CTX ctx;
 446                 X509V3_set_ctx_test(&ctx);
 447                 X509V3_set_conf_lhash(&ctx, req_conf);
 448                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
 449                         BIO_printf(bio_err,
 450                          "Error Loading extension section %s\n", extensions);
 451                         goto end;
 452                 }
 453         }
 454
 455         if(!req_exts)
 456                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 457         if(req_exts) {
 458                 /* Check syntax of file */
 459                 X509V3_CTX ctx;
 460                 X509V3_set_ctx_test(&ctx);
 461                 X509V3_set_conf_lhash(&ctx, req_conf);
 462                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 463                         BIO_printf(bio_err,
 464                          "Error Loading request extension section %s\n",
 465                                                                 req_exts);
 466                         goto end;
 467                 }
 468         }
 469
 470         in=BIO_new(BIO_s_file());
 471         out=BIO_new(BIO_s_file());
 472         if ((in == NULL) || (out == NULL))
 473                 goto end;
 474
 475         if (keyfile != NULL)
 476                 {
 477                 if (BIO_read_filename(in,keyfile) <= 0)
 478                         {
 479                         perror(keyfile);
 480                         goto end;
 481                         }
 482
 483 /*              if (keyform == FORMAT_ASN1)
 484                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 485                 else */
 486                 if (keyform == FORMAT_PEM)
 487                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL);
 488                 else
 489                         {
 490                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 491                         goto end;
 492                         }
 493
 494                 if (pkey == NULL)
 495                         {
 496                         BIO_printf(bio_err,"unable to load Private key\n");
 497                         goto end;
 498                         }
 499                 }
 500
 501         if (newreq && (pkey == NULL))
 502                 {
 503                 char *randfile;
 504                 char buffer[200];
 505
 506                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 507                         randfile=RAND_file_name(buffer,200);
 508 #ifdef WINDOWS
 509                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 510                 BIO_flush(bio_err);
 511                 RAND_screen();
 512                 BIO_printf(bio_err," done\n");
 513 #endif
 514                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 515                         {
 516                         BIO_printf(bio_err,"unable to load 'random state'\n");
 517                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 518                         BIO_printf(bio_err,"with much random data.\n");
 519                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 520                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 521                         }
 522                 if (newkey <= 0)
 523                         {
 524                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 525                         if (newkey <= 0)
 526                                 newkey=DEFAULT_KEY_LENGTH;
 527                         }
 528
 529                 if (newkey < MIN_KEY_LENGTH)
 530                         {
 531                         BIO_printf(bio_err,"private key length is too short,\n");
 532                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 533                         goto end;
 534                         }
 535                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 536                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 537
 538                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 539
 540 #ifndef NO_RSA
 541                 if (pkey_type == TYPE_RSA)
 542                         {
 543                         if (!EVP_PKEY_assign_RSA(pkey,
 544                                 RSA_generate_key(newkey,0x10001,
 545                                         req_cb,bio_err)))
 546                                 goto end;
 547                         }
 548                 else
 549 #endif
 550 #ifndef NO_DSA
 551                         if (pkey_type == TYPE_DSA)
 552                         {
 553                         if (!DSA_generate_key(dsa_params)) goto end;
 554                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 555                         dsa_params=NULL;
 556                         }
 557 #endif
 558
 559                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 560                         BIO_printf(bio_err,"unable to write 'random state'\n");
 561
 562                 if (pkey == NULL) goto end;
 563
 564                 if (keyout == NULL)
 565                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 566
 567                 if (keyout == NULL)
 568                         {
 569                         BIO_printf(bio_err,"writing new private key to stdout\n");
 570                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 571                         }
 572                 else
 573                         {
 574                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 575                         if (BIO_write_filename(out,keyout) <= 0)
 576                                 {
 577                                 perror(keyout);
 578                                 goto end;
 579                                 }
 580                         }
 581
 582                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 583                 if (p == NULL)
 584                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 585                 if ((p != NULL) && (strcmp(p,"no") == 0))
 586                         cipher=NULL;
 587                 if (nodes) cipher=NULL;
 588
 589                 i=0;
 590 loop:
 591                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 592                         NULL,0,NULL,NULL))
 593                         {
 594                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 595                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 596                                 {
 597                                 ERR_clear_error();
 598                                 i++;
 599                                 goto loop;
 600                                 }
 601                         goto end;
 602                         }
 603                 BIO_printf(bio_err,"-----\n");
 604                 }
 605
 606         if (!newreq)
 607                 {
 608                 /* Since we are using a pre-existing certificate
 609                  * request, the kludge 'format' info should not be
 610                  * changed. */
 611                 kludge= -1;
 612                 if (infile == NULL)
 613                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 614                 else
 615                         {
 616                         if (BIO_read_filename(in,infile) <= 0)
 617                                 {
 618                                 perror(infile);
 619                                 goto end;
 620                                 }
 621                         }
 622
 623                 if      (informat == FORMAT_ASN1)
 624                         req=d2i_X509_REQ_bio(in,NULL);
 625                 else if (informat == FORMAT_PEM)
 626                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 627                 else
 628                         {
 629                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 630                         goto end;
 631                         }
 632                 if (req == NULL)
 633                         {
 634                         BIO_printf(bio_err,"unable to load X509 request\n");
 635                         goto end;
 636                         }
 637                 }
 638
 639         if (newreq || x509)
 640                 {
 641 #ifndef NO_DSA
 642                 if (pkey->type == EVP_PKEY_DSA)
 643                         digest=EVP_dss1();
 644 #endif
 645
 646                 if (pkey == NULL)
 647                         {
 648                         BIO_printf(bio_err,"you need to specify a private key\n");
 649                         goto end;
 650                         }
 651                 if (req == NULL)
 652                         {
 653                         req=X509_REQ_new();
 654                         if (req == NULL)
 655                                 {
 656                                 goto end;
 657                                 }
 658
 659                         i=make_REQ(req,pkey,!x509);
 660                         if (kludge >= 0)
 661                                 req->req_info->req_kludge=kludge;
 662                         if (!i)
 663                                 {
 664                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 665                                 goto end;
 666                                 }
 667                         }
 668                 if (x509)
 669                         {
 670                         EVP_PKEY *tmppkey;
 671                         X509V3_CTX ext_ctx;
 672                         if ((x509ss=X509_new()) == NULL) goto end;
 673
 674                         /* Set version to V3 */
 675                         if(!X509_set_version(x509ss, 2)) goto end;
 676                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 677
 678                         X509_set_issuer_name(x509ss,
 679                                 X509_REQ_get_subject_name(req));
 680                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 681                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 682                                 (long)60*60*24*days);
 683                         X509_set_subject_name(x509ss,
 684                                 X509_REQ_get_subject_name(req));
 685                         tmppkey = X509_REQ_get_pubkey(req);
 686                         X509_set_pubkey(x509ss,tmppkey);
 687                         EVP_PKEY_free(tmppkey);
 688
 689                         /* Set up V3 context struct */
 690
 691                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 692                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 693
 694                         /* Add extensions */
 695                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 696                                         &ext_ctx, extensions, x509ss))
 697                             {
 698                             BIO_printf(bio_err,
 699                                        "Error Loading extension section %s\n",
 700                                        extensions);
 701                             goto end;
 702                             }
 703
 704                         if (!(i=X509_sign(x509ss,pkey,digest)))
 705                                 goto end;
 706                         }
 707                 else
 708                         {
 709                         X509V3_CTX ext_ctx;
 710
 711                         /* Set up V3 context struct */
 712
 713                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 714                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 715
 716                         /* Add extensions */
 717                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 718                                         &ext_ctx, req_exts, req))
 719                             {
 720                             BIO_printf(bio_err,
 721                                        "Error Loading extension section %s\n",
 722                                        req_exts);
 723                             goto end;
 724                             }
 725                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 726                                 goto end;
 727                         }
 728                 }
 729
 730         if (verify && !x509)
 731                 {
 732                 int tmp=0;
 733
 734                 if (pkey == NULL)
 735                         {
 736                         pkey=X509_REQ_get_pubkey(req);
 737                         tmp=1;
 738                         if (pkey == NULL) goto end;
 739                         }
 740
 741                 i=X509_REQ_verify(req,pkey);
 742                 if (tmp) {
 743                         EVP_PKEY_free(pkey);
 744                         pkey=NULL;
 745                 }
 746
 747                 if (i < 0)
 748                         {
 749                         goto end;
 750                         }
 751                 else if (i == 0)
 752                         {
 753                         BIO_printf(bio_err,"verify failure\n");
 754                         }
 755                 else /* if (i > 0) */
 756                         BIO_printf(bio_err,"verify OK\n");
 757                 }
 758
 759         if (noout && !text && !modulus)
 760                 {
 761                 ex=0;
 762                 goto end;
 763                 }
 764
 765         if (outfile == NULL)
 766                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 767         else
 768                 {
 769                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 770                         i=(int)BIO_append_filename(out,outfile);
 771                 else
 772                         i=(int)BIO_write_filename(out,outfile);
 773                 if (!i)
 774                         {
 775                         perror(outfile);
 776                         goto end;
 777                         }
 778                 }
 779
 780         if (text)
 781                 {
 782                 if (x509)
 783                         X509_print(out,x509ss);
 784                 else
 785                         X509_REQ_print(out,req);
 786                 }
 787
 788         if (modulus)
 789                 {
 790                 EVP_PKEY *pubkey;
 791
 792                 if (x509)
 793                         pubkey=X509_get_pubkey(x509ss);
 794                 else
 795                         pubkey=X509_REQ_get_pubkey(req);
 796                 if (pubkey == NULL)
 797                         {
 798                         fprintf(stdout,"Modulus=unavailable\n");
 799                         goto end;
 800                         }
 801                 fprintf(stdout,"Modulus=");
 802 #ifndef NO_RSA
 803                 if (pubkey->type == EVP_PKEY_RSA)
 804                         BN_print(out,pubkey->pkey.rsa->n);
 805                 else
 806 #endif
 807                         fprintf(stdout,"Wrong Algorithm type");
 808                 fprintf(stdout,"\n");
 809                 }
 810
 811         if (!noout && !x509)
 812                 {
 813                 if      (outformat == FORMAT_ASN1)
 814                         i=i2d_X509_REQ_bio(out,req);
 815                 else if (outformat == FORMAT_PEM)
 816                         i=PEM_write_bio_X509_REQ(out,req);
 817                 else    {
 818                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 819                         goto end;
 820                         }
 821                 if (!i)
 822                         {
 823                         BIO_printf(bio_err,"unable to write X509 request\n");
 824                         goto end;
 825                         }
 826                 }
 827         if (!noout && x509 && (x509ss != NULL))
 828                 {
 829                 if      (outformat == FORMAT_ASN1)
 830                         i=i2d_X509_bio(out,x509ss);
 831                 else if (outformat == FORMAT_PEM)
 832                         i=PEM_write_bio_X509(out,x509ss);
 833                 else    {
 834                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 835                         goto end;
 836                         }
 837                 if (!i)
 838                         {
 839                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 840                         goto end;
 841                         }
 842                 }
 843         ex=0;
 844 end:
 845         if (ex)
 846                 {
 847                 ERR_print_errors(bio_err);
 848                 }
 849         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 850         BIO_free(in);
 851         BIO_free(out);
 852         EVP_PKEY_free(pkey);
 853         X509_REQ_free(req);
 854         X509_free(x509ss);
 855         X509V3_EXT_cleanup();
 856         OBJ_cleanup();
 857 #ifndef NO_DSA
 858         if (dsa_params != NULL) DSA_free(dsa_params);
 859 #endif
 860         EXIT(ex);
 861         }
 862
 863 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
 864         {
 865         int ret=0,i;
 866         char *p,*q;
 867         X509_REQ_INFO *ri;
 868         char buf[100];
 869         int nid,min,max;
 870         char *type,*def,*tmp,*value,*tmp_attr;
 871         STACK_OF(CONF_VALUE) *sk, *attr=NULL;
 872         CONF_VALUE *v;
 873
 874         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 875         if (tmp == NULL)
 876                 {
 877                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 878                         DISTINGUISHED_NAME);
 879                 goto err;
 880                 }
 881         sk=CONF_get_section(req_conf,tmp);
 882         if (sk == NULL)
 883                 {
 884                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 885                 goto err;
 886                 }
 887
 888         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 889         if (tmp_attr == NULL)
 890                 attr=NULL;
 891         else
 892                 {
 893                 attr=CONF_get_section(req_conf,tmp_attr);
 894                 if (attr == NULL)
 895                         {
 896                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 897                         goto err;
 898                         }
 899                 }
 900
 901         ri=req->req_info;
 902
 903         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 904         BIO_printf(bio_err,"into your certificate request.\n");
 905         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 906         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 907         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 908         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 909         BIO_printf(bio_err,"-----\n");
 910
 911         /* setup version number */
 912         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 913
 914         if (sk_CONF_VALUE_num(sk))
 915                 {
 916                 i= -1;
 917 start:          for (;;)
 918                         {
 919                         i++;
 920                         if (sk_CONF_VALUE_num(sk) <= i) break;
 921
 922                         v=sk_CONF_VALUE_value(sk,i);
 923                         p=q=NULL;
 924                         type=v->name;
 925                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
 926                                 !check_end(type,"_default") ||
 927                                          !check_end(type,"_value")) continue;
 928                         /* Skip past any leading X. X: X, etc to allow for
 929                          * multiple instances
 930                          */
 931                         for(p = v->name; *p ; p++)
 932                                 if ((*p == ':') || (*p == ',') ||
 933                                                          (*p == '.')) {
 934                                         p++;
 935                                         if(*p) type = p;
 936                                         break;
 937                                 }
 938                         /* If OBJ not recognised ignore it */
 939                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
 940                         sprintf(buf,"%s_default",v->name);
 941                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 942                                 def="";
 943
 944                         sprintf(buf,"%s_value",v->name);
 945                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 946                                 value=NULL;
 947
 948                         sprintf(buf,"%s_min",v->name);
 949                         min=(int)CONF_get_number(req_conf,tmp,buf);
 950
 951                         sprintf(buf,"%s_max",v->name);
 952                         max=(int)CONF_get_number(req_conf,tmp,buf);
 953
 954                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 955                                 min,max))
 956                                 goto err;
 957                         }
 958                 if (sk_X509_NAME_ENTRY_num(ri->subject->entries) == 0)
 959                         {
 960                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 961                         goto err;
 962                         }
 963
 964                 if (attribs)
 965                         {
 966                         if ((attr != NULL) && (sk_CONF_VALUE_num(attr) > 0))
 967                                 {
 968                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 969                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 970                                 }
 971
 972                         i= -1;
 973 start2:                 for (;;)
 974                                 {
 975                                 i++;
 976                                 if ((attr == NULL) ||
 977                                             (sk_CONF_VALUE_num(attr) <= i))
 978                                         break;
 979
 980                                 v=sk_CONF_VALUE_value(attr,i);
 981                                 type=v->name;
 982                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 983                                         goto start2;
 984
 985                                 sprintf(buf,"%s_default",type);
 986                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 987                                         == NULL)
 988                                         def="";
 989
 990                                 sprintf(buf,"%s_value",type);
 991                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 992                                         == NULL)
 993                                         value=NULL;
 994
 995                                 sprintf(buf,"%s_min",type);
 996                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 997
 998                                 sprintf(buf,"%s_max",type);
 999                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
1000
1001                                 if (!add_attribute_object(ri->attributes,
1002                                         v->value,def,value,nid,min,max))
1003                                         goto err;
1004                                 }
1005                         }
1006                 }
1007         else
1008                 {
1009                 BIO_printf(bio_err,"No template, please set one up.\n");
1010                 goto err;
1011                 }
1012
1013         X509_REQ_set_pubkey(req,pkey);
1014
1015         ret=1;
1016 err:
1017         return(ret);
1018         }
1019
1020 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1021              int nid, int min, int max)
1022         {
1023         int i,j,ret=0;
1024         X509_NAME_ENTRY *ne=NULL;
1025         MS_STATIC char buf[1024];
1026
1027         BIO_printf(bio_err,"%s [%s]:",text,def);
1028         (void)BIO_flush(bio_err);
1029         if (value != NULL)
1030                 {
1031                 strcpy(buf,value);
1032                 strcat(buf,"\n");
1033                 BIO_printf(bio_err,"%s\n",value);
1034                 }
1035         else
1036                 {
1037                 buf[0]='\0';
1038                 fgets(buf,1024,stdin);
1039                 }
1040
1041         if (buf[0] == '\0') return(0);
1042         else if (buf[0] == '\n')
1043                 {
1044                 if ((def == NULL) || (def[0] == '\0'))
1045                         return(1);
1046                 strcpy(buf,def);
1047                 strcat(buf,"\n");
1048                 }
1049         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1050
1051         i=strlen(buf);
1052         if (buf[i-1] != '\n')
1053                 {
1054                 BIO_printf(bio_err,"weird input :-(\n");
1055                 return(0);
1056                 }
1057         buf[--i]='\0';
1058
1059         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1060         if (req_fix_data(nid,&j,i,min,max) == 0)
1061                 goto err;
1062 #ifdef CHARSET_EBCDIC
1063         ebcdic2ascii(buf, buf, i);
1064 #endif
1065         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1066                 strlen(buf)))
1067                 == NULL) goto err;
1068         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1069                 goto err;
1070
1071         ret=1;
1072 err:
1073         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1074         return(ret);
1075         }
1076
1077 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
1078                                 char *def, char *value, int nid, int min,
1079                                 int max)
1080         {
1081         int i,z;
1082         X509_ATTRIBUTE *xa=NULL;
1083         static char buf[1024];
1084         ASN1_BIT_STRING *bs=NULL;
1085         ASN1_TYPE *at=NULL;
1086
1087 start:
1088         BIO_printf(bio_err,"%s [%s]:",text,def);
1089         (void)BIO_flush(bio_err);
1090         if (value != NULL)
1091                 {
1092                 strcpy(buf,value);
1093                 strcat(buf,"\n");
1094                 BIO_printf(bio_err,"%s\n",value);
1095                 }
1096         else
1097                 {
1098                 buf[0]='\0';
1099                 fgets(buf,1024,stdin);
1100                 }
1101
1102         if (buf[0] == '\0') return(0);
1103         else if (buf[0] == '\n')
1104                 {
1105                 if ((def == NULL) || (def[0] == '\0'))
1106                         return(1);
1107                 strcpy(buf,def);
1108                 strcat(buf,"\n");
1109                 }
1110         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1111
1112         i=strlen(buf);
1113         if (buf[i-1] != '\n')
1114                 {
1115                 BIO_printf(bio_err,"weird input :-(\n");
1116                 return(0);
1117                 }
1118         buf[--i]='\0';
1119
1120         /* add object plus value */
1121         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1122                 goto err;
1123         if ((xa->value.set=sk_ASN1_TYPE_new_null()) == NULL)
1124                 goto err;
1125         xa->set=1;
1126
1127         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1128         xa->object=OBJ_nid2obj(nid);
1129
1130         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1131
1132         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1133
1134         z=req_fix_data(nid,&bs->type,i,min,max);
1135         if (z == 0)
1136                 {
1137                 if (value == NULL)
1138                         goto start;
1139                 else    goto err;
1140                 }
1141
1142         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1143                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1144
1145         if ((at=ASN1_TYPE_new()) == NULL)
1146                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1147
1148         ASN1_TYPE_set(at,bs->type,(char *)bs);
1149         sk_ASN1_TYPE_push(xa->value.set,at);
1150         bs=NULL;
1151         at=NULL;
1152         /* only one item per attribute */
1153
1154         if (!sk_X509_ATTRIBUTE_push(n,xa)) goto err;
1155         return(1);
1156 err:
1157         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1158         if (at != NULL) ASN1_TYPE_free(at);
1159         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1160         return(0);
1161         }
1162
1163 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1164         {
1165         char c='*';
1166
1167         if (p == 0) c='.';
1168         if (p == 1) c='+';
1169         if (p == 2) c='*';
1170         if (p == 3) c='\n';
1171         BIO_write((BIO *)arg,&c,1);
1172         (void)BIO_flush((BIO *)arg);
1173 #ifdef LINT
1174         p=n;
1175 #endif
1176         }
1177
1178 static int req_fix_data(int nid, int *type, int len, int min, int max)
1179         {
1180         if (nid == NID_pkcs9_emailAddress)
1181                 *type=V_ASN1_IA5STRING;
1182         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1183                 *type=V_ASN1_T61STRING;
1184         if ((nid == NID_pkcs9_challengePassword) &&
1185                 (*type == V_ASN1_IA5STRING))
1186                 *type=V_ASN1_T61STRING;
1187
1188         if ((nid == NID_pkcs9_unstructuredName) &&
1189                 (*type == V_ASN1_T61STRING))
1190                 {
1191                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1192                 return(0);
1193                 }
1194         if (nid == NID_pkcs9_unstructuredName)
1195                 *type=V_ASN1_IA5STRING;
1196
1197         if (len < min)
1198                 {
1199                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1200                 return(0);
1201                 }
1202         if ((max != 0) && (len > max))
1203                 {
1204                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1205                 return(0);
1206                 }
1207         return(1);
1208         }
1209
1210 /* Check if the end of a string matches 'end' */
1211 static int check_end(char *str, char *end)
1212 {
1213         int elen, slen;
1214         char *tmp;
1215         elen = strlen(end);
1216         slen = strlen(str);
1217         if(elen > slen) return 1;
1218         tmp = str + slen - elen;
1219         return strcmp(tmp, end);
1220 }
1221
1222 static int add_oid_section(LHASH *conf)
1223 {
1224         char *p;
1225         STACK_OF(CONF_VALUE) *sktmp;
1226         CONF_VALUE *cnf;
1227         int i;
1228         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1229         if(!(sktmp = CONF_get_section(conf, p))) {
1230                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1231                 return 0;
1232         }
1233         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
1234                 cnf = sk_CONF_VALUE_value(sktmp, i);
1235                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1236                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1237                                                          cnf->name, cnf->value);
1238                         return 0;
1239                 }
1240         }
1241         return 1;
1242 }