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
 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         p = CONF_get_string(req_conf, SECTION, DIRSTRING_TYPE);
 456
 457         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 458                 BIO_printf(bio_err, "Invalid DiretoryString setting %s", p);
 459                 goto end;
 460         }
 461
 462         if(!req_exts)
 463                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 464         if(req_exts) {
 465                 /* Check syntax of file */
 466                 X509V3_CTX ctx;
 467                 X509V3_set_ctx_test(&ctx);
 468                 X509V3_set_conf_lhash(&ctx, req_conf);
 469                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 470                         BIO_printf(bio_err,
 471                          "Error Loading request extension section %s\n",
 472                                                                 req_exts);
 473                         goto end;
 474                 }
 475         }
 476
 477         in=BIO_new(BIO_s_file());
 478         out=BIO_new(BIO_s_file());
 479         if ((in == NULL) || (out == NULL))
 480                 goto end;
 481
 482         if (keyfile != NULL)
 483                 {
 484                 if (BIO_read_filename(in,keyfile) <= 0)
 485                         {
 486                         perror(keyfile);
 487                         goto end;
 488                         }
 489
 490 /*              if (keyform == FORMAT_ASN1)
 491                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 492                 else */
 493                 if (keyform == FORMAT_PEM)
 494                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL);
 495                 else
 496                         {
 497                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 498                         goto end;
 499                         }
 500
 501                 if (pkey == NULL)
 502                         {
 503                         BIO_printf(bio_err,"unable to load Private key\n");
 504                         goto end;
 505                         }
 506                 }
 507
 508         if (newreq && (pkey == NULL))
 509                 {
 510                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 511                 app_RAND_load_file(randfile, bio_err, 0);
 512
 513                 if (newkey <= 0)
 514                         {
 515                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 516                         if (newkey <= 0)
 517                                 newkey=DEFAULT_KEY_LENGTH;
 518                         }
 519
 520                 if (newkey < MIN_KEY_LENGTH)
 521                         {
 522                         BIO_printf(bio_err,"private key length is too short,\n");
 523                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 524                         goto end;
 525                         }
 526                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 527                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 528
 529                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 530
 531 #ifndef NO_RSA
 532                 if (pkey_type == TYPE_RSA)
 533                         {
 534                         if (!EVP_PKEY_assign_RSA(pkey,
 535                                 RSA_generate_key(newkey,0x10001,
 536                                         req_cb,bio_err)))
 537                                 goto end;
 538                         }
 539                 else
 540 #endif
 541 #ifndef NO_DSA
 542                         if (pkey_type == TYPE_DSA)
 543                         {
 544                         if (!DSA_generate_key(dsa_params)) goto end;
 545                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 546                         dsa_params=NULL;
 547                         }
 548 #endif
 549
 550                 app_RAND_write_file(randfile, bio_err);
 551
 552                 if (pkey == NULL) goto end;
 553
 554                 if (keyout == NULL)
 555                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 556
 557                 if (keyout == NULL)
 558                         {
 559                         BIO_printf(bio_err,"writing new private key to stdout\n");
 560                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 561                         }
 562                 else
 563                         {
 564                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 565                         if (BIO_write_filename(out,keyout) <= 0)
 566                                 {
 567                                 perror(keyout);
 568                                 goto end;
 569                                 }
 570                         }
 571
 572                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 573                 if (p == NULL)
 574                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 575                 if ((p != NULL) && (strcmp(p,"no") == 0))
 576                         cipher=NULL;
 577                 if (nodes) cipher=NULL;
 578
 579                 i=0;
 580 loop:
 581                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 582                         NULL,0,NULL,NULL))
 583                         {
 584                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 585                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 586                                 {
 587                                 ERR_clear_error();
 588                                 i++;
 589                                 goto loop;
 590                                 }
 591                         goto end;
 592                         }
 593                 BIO_printf(bio_err,"-----\n");
 594                 }
 595
 596         if (!newreq)
 597                 {
 598                 /* Since we are using a pre-existing certificate
 599                  * request, the kludge 'format' info should not be
 600                  * changed. */
 601                 kludge= -1;
 602                 if (infile == NULL)
 603                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 604                 else
 605                         {
 606                         if (BIO_read_filename(in,infile) <= 0)
 607                                 {
 608                                 perror(infile);
 609                                 goto end;
 610                                 }
 611                         }
 612
 613                 if      (informat == FORMAT_ASN1)
 614                         req=d2i_X509_REQ_bio(in,NULL);
 615                 else if (informat == FORMAT_PEM)
 616                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 617                 else
 618                         {
 619                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 620                         goto end;
 621                         }
 622                 if (req == NULL)
 623                         {
 624                         BIO_printf(bio_err,"unable to load X509 request\n");
 625                         goto end;
 626                         }
 627                 }
 628
 629         if (newreq || x509)
 630                 {
 631 #ifndef NO_DSA
 632                 if (pkey->type == EVP_PKEY_DSA)
 633                         digest=EVP_dss1();
 634 #endif
 635
 636                 if (pkey == NULL)
 637                         {
 638                         BIO_printf(bio_err,"you need to specify a private key\n");
 639                         goto end;
 640                         }
 641                 if (req == NULL)
 642                         {
 643                         req=X509_REQ_new();
 644                         if (req == NULL)
 645                                 {
 646                                 goto end;
 647                                 }
 648
 649                         i=make_REQ(req,pkey,!x509);
 650                         if (kludge >= 0)
 651                                 req->req_info->req_kludge=kludge;
 652                         if (!i)
 653                                 {
 654                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 655                                 goto end;
 656                                 }
 657                         }
 658                 if (x509)
 659                         {
 660                         EVP_PKEY *tmppkey;
 661                         X509V3_CTX ext_ctx;
 662                         if ((x509ss=X509_new()) == NULL) goto end;
 663
 664                         /* Set version to V3 */
 665                         if(!X509_set_version(x509ss, 2)) goto end;
 666                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 667
 668                         X509_set_issuer_name(x509ss,
 669                                 X509_REQ_get_subject_name(req));
 670                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 671                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 672                                 (long)60*60*24*days);
 673                         X509_set_subject_name(x509ss,
 674                                 X509_REQ_get_subject_name(req));
 675                         tmppkey = X509_REQ_get_pubkey(req);
 676                         X509_set_pubkey(x509ss,tmppkey);
 677                         EVP_PKEY_free(tmppkey);
 678
 679                         /* Set up V3 context struct */
 680
 681                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 682                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 683
 684                         /* Add extensions */
 685                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 686                                         &ext_ctx, extensions, x509ss))
 687                             {
 688                             BIO_printf(bio_err,
 689                                        "Error Loading extension section %s\n",
 690                                        extensions);
 691                             goto end;
 692                             }
 693
 694                         if (!(i=X509_sign(x509ss,pkey,digest)))
 695                                 goto end;
 696                         }
 697                 else
 698                         {
 699                         X509V3_CTX ext_ctx;
 700
 701                         /* Set up V3 context struct */
 702
 703                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 704                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 705
 706                         /* Add extensions */
 707                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 708                                         &ext_ctx, req_exts, req))
 709                             {
 710                             BIO_printf(bio_err,
 711                                        "Error Loading extension section %s\n",
 712                                        req_exts);
 713                             goto end;
 714                             }
 715                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 716                                 goto end;
 717                         }
 718                 }
 719
 720         if (verify && !x509)
 721                 {
 722                 int tmp=0;
 723
 724                 if (pkey == NULL)
 725                         {
 726                         pkey=X509_REQ_get_pubkey(req);
 727                         tmp=1;
 728                         if (pkey == NULL) goto end;
 729                         }
 730
 731                 i=X509_REQ_verify(req,pkey);
 732                 if (tmp) {
 733                         EVP_PKEY_free(pkey);
 734                         pkey=NULL;
 735                 }
 736
 737                 if (i < 0)
 738                         {
 739                         goto end;
 740                         }
 741                 else if (i == 0)
 742                         {
 743                         BIO_printf(bio_err,"verify failure\n");
 744                         }
 745                 else /* if (i > 0) */
 746                         BIO_printf(bio_err,"verify OK\n");
 747                 }
 748
 749         if (noout && !text && !modulus)
 750                 {
 751                 ex=0;
 752                 goto end;
 753                 }
 754
 755         if (outfile == NULL)
 756                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 757         else
 758                 {
 759                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 760                         i=(int)BIO_append_filename(out,outfile);
 761                 else
 762                         i=(int)BIO_write_filename(out,outfile);
 763                 if (!i)
 764                         {
 765                         perror(outfile);
 766                         goto end;
 767                         }
 768                 }
 769
 770         if (text)
 771                 {
 772                 if (x509)
 773                         X509_print(out,x509ss);
 774                 else
 775                         X509_REQ_print(out,req);
 776                 }
 777
 778         if (modulus)
 779                 {
 780                 EVP_PKEY *pubkey;
 781
 782                 if (x509)
 783                         pubkey=X509_get_pubkey(x509ss);
 784                 else
 785                         pubkey=X509_REQ_get_pubkey(req);
 786                 if (pubkey == NULL)
 787                         {
 788                         fprintf(stdout,"Modulus=unavailable\n");
 789                         goto end;
 790                         }
 791                 fprintf(stdout,"Modulus=");
 792 #ifndef NO_RSA
 793                 if (pubkey->type == EVP_PKEY_RSA)
 794                         BN_print(out,pubkey->pkey.rsa->n);
 795                 else
 796 #endif
 797                         fprintf(stdout,"Wrong Algorithm type");
 798                 fprintf(stdout,"\n");
 799                 }
 800
 801         if (!noout && !x509)
 802                 {
 803                 if      (outformat == FORMAT_ASN1)
 804                         i=i2d_X509_REQ_bio(out,req);
 805                 else if (outformat == FORMAT_PEM)
 806                         i=PEM_write_bio_X509_REQ(out,req);
 807                 else    {
 808                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 809                         goto end;
 810                         }
 811                 if (!i)
 812                         {
 813                         BIO_printf(bio_err,"unable to write X509 request\n");
 814                         goto end;
 815                         }
 816                 }
 817         if (!noout && x509 && (x509ss != NULL))
 818                 {
 819                 if      (outformat == FORMAT_ASN1)
 820                         i=i2d_X509_bio(out,x509ss);
 821                 else if (outformat == FORMAT_PEM)
 822                         i=PEM_write_bio_X509(out,x509ss);
 823                 else    {
 824                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 825                         goto end;
 826                         }
 827                 if (!i)
 828                         {
 829                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 830                         goto end;
 831                         }
 832                 }
 833         ex=0;
 834 end:
 835         if (ex)
 836                 {
 837                 ERR_print_errors(bio_err);
 838                 }
 839         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 840         BIO_free(in);
 841         BIO_free(out);
 842         EVP_PKEY_free(pkey);
 843         X509_REQ_free(req);
 844         X509_free(x509ss);
 845         OBJ_cleanup();
 846         ASN1_STRING_TABLE_cleanup();
 847 #ifndef NO_DSA
 848         if (dsa_params != NULL) DSA_free(dsa_params);
 849 #endif
 850         EXIT(ex);
 851         }
 852
 853 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
 854         {
 855         int ret=0,i;
 856         char *p,*q;
 857         X509_REQ_INFO *ri;
 858         char buf[100];
 859         int nid,min,max;
 860         char *type,*def,*tmp,*value,*tmp_attr;
 861         STACK_OF(CONF_VALUE) *sk, *attr=NULL;
 862         CONF_VALUE *v;
 863
 864         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 865         if (tmp == NULL)
 866                 {
 867                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 868                         DISTINGUISHED_NAME);
 869                 goto err;
 870                 }
 871         sk=CONF_get_section(req_conf,tmp);
 872         if (sk == NULL)
 873                 {
 874                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 875                 goto err;
 876                 }
 877
 878         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 879         if (tmp_attr == NULL)
 880                 attr=NULL;
 881         else
 882                 {
 883                 attr=CONF_get_section(req_conf,tmp_attr);
 884                 if (attr == NULL)
 885                         {
 886                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 887                         goto err;
 888                         }
 889                 }
 890
 891         ri=req->req_info;
 892
 893         /* setup version number */
 894         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 895
 896         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 897         BIO_printf(bio_err,"into your certificate request.\n");
 898         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 899         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 900         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 901         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 902         BIO_printf(bio_err,"-----\n");
 903
 904
 905         if (sk_CONF_VALUE_num(sk))
 906                 {
 907                 i= -1;
 908 start:          for (;;)
 909                         {
 910                         i++;
 911                         if (sk_CONF_VALUE_num(sk) <= i) break;
 912
 913                         v=sk_CONF_VALUE_value(sk,i);
 914                         p=q=NULL;
 915                         type=v->name;
 916                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
 917                                 !check_end(type,"_default") ||
 918                                          !check_end(type,"_value")) continue;
 919                         /* Skip past any leading X. X: X, etc to allow for
 920                          * multiple instances
 921                          */
 922                         for(p = v->name; *p ; p++)
 923                                 if ((*p == ':') || (*p == ',') ||
 924                                                          (*p == '.')) {
 925                                         p++;
 926                                         if(*p) type = p;
 927                                         break;
 928                                 }
 929                         /* If OBJ not recognised ignore it */
 930                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
 931                         sprintf(buf,"%s_default",v->name);
 932                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 933                                 def="";
 934
 935                         sprintf(buf,"%s_value",v->name);
 936                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 937                                 value=NULL;
 938
 939                         sprintf(buf,"%s_min",v->name);
 940                         min=(int)CONF_get_number(req_conf,tmp,buf);
 941
 942                         sprintf(buf,"%s_max",v->name);
 943                         max=(int)CONF_get_number(req_conf,tmp,buf);
 944
 945                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 946                                 min,max))
 947                                 goto err;
 948                         }
 949                 if (sk_X509_NAME_ENTRY_num(ri->subject->entries) == 0)
 950                         {
 951                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 952                         goto err;
 953                         }
 954
 955                 if (attribs)
 956                         {
 957                         if ((attr != NULL) && (sk_CONF_VALUE_num(attr) > 0))
 958                                 {
 959                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 960                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 961                                 }
 962
 963                         i= -1;
 964 start2:                 for (;;)
 965                                 {
 966                                 i++;
 967                                 if ((attr == NULL) ||
 968                                             (sk_CONF_VALUE_num(attr) <= i))
 969                                         break;
 970
 971                                 v=sk_CONF_VALUE_value(attr,i);
 972                                 type=v->name;
 973                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 974                                         goto start2;
 975
 976                                 sprintf(buf,"%s_default",type);
 977                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 978                                         == NULL)
 979                                         def="";
 980
 981                                 sprintf(buf,"%s_value",type);
 982                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 983                                         == NULL)
 984                                         value=NULL;
 985
 986                                 sprintf(buf,"%s_min",type);
 987                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 988
 989                                 sprintf(buf,"%s_max",type);
 990                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 991
 992                                 if (!add_attribute_object(ri->attributes,
 993                                         v->value,def,value,nid,min,max))
 994                                         goto err;
 995                                 }
 996                         }
 997                 }
 998         else
 999                 {
1000                 BIO_printf(bio_err,"No template, please set one up.\n");
1001                 goto err;
1002                 }
1003
1004         X509_REQ_set_pubkey(req,pkey);
1005
1006         ret=1;
1007 err:
1008         return(ret);
1009         }
1010
1011 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1012              int nid, int min, int max)
1013         {
1014         int i,ret=0;
1015         MS_STATIC char buf[1024];
1016
1017         BIO_printf(bio_err,"%s [%s]:",text,def);
1018         (void)BIO_flush(bio_err);
1019         if (value != NULL)
1020                 {
1021                 strcpy(buf,value);
1022                 strcat(buf,"\n");
1023                 BIO_printf(bio_err,"%s\n",value);
1024                 }
1025         else
1026                 {
1027                 buf[0]='\0';
1028                 fgets(buf,1024,stdin);
1029                 }
1030
1031         if (buf[0] == '\0') return(0);
1032         else if (buf[0] == '\n')
1033                 {
1034                 if ((def == NULL) || (def[0] == '\0'))
1035                         return(1);
1036                 strcpy(buf,def);
1037                 strcat(buf,"\n");
1038                 }
1039         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1040
1041         i=strlen(buf);
1042         if (buf[i-1] != '\n')
1043                 {
1044                 BIO_printf(bio_err,"weird input :-(\n");
1045                 return(0);
1046                 }
1047         buf[--i]='\0';
1048
1049 #ifdef CHARSET_EBCDIC
1050         ebcdic2ascii(buf, buf, i);
1051 #endif
1052         if(!req_fix_data(-1, NULL, i, min, max)) goto err;
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))
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(type) {
1164                 if (nid == NID_pkcs9_emailAddress)
1165                         *type=V_ASN1_IA5STRING;
1166                 if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1167                         *type=V_ASN1_T61STRING;
1168                 if ((nid == NID_pkcs9_challengePassword) &&
1169                         (*type == V_ASN1_IA5STRING))
1170                         *type=V_ASN1_T61STRING;
1171
1172                 if ((nid == NID_pkcs9_unstructuredName) &&
1173                         (*type == V_ASN1_T61STRING))
1174                         {
1175                         BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1176                         return(0);
1177                         }
1178                 if (nid == NID_pkcs9_unstructuredName)
1179                         *type=V_ASN1_IA5STRING;
1180         }
1181         if (len < min)
1182                 {
1183                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1184                 return(0);
1185                 }
1186         if ((max != 0) && (len > max))
1187                 {
1188                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1189                 return(0);
1190                 }
1191         return(1);
1192         }
1193
1194 /* Check if the end of a string matches 'end' */
1195 static int check_end(char *str, char *end)
1196 {
1197         int elen, slen;
1198         char *tmp;
1199         elen = strlen(end);
1200         slen = strlen(str);
1201         if(elen > slen) return 1;
1202         tmp = str + slen - elen;
1203         return strcmp(tmp, end);
1204 }
1205
1206 static int add_oid_section(LHASH *conf)
1207 {
1208         char *p;
1209         STACK_OF(CONF_VALUE) *sktmp;
1210         CONF_VALUE *cnf;
1211         int i;
1212         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1213         if(!(sktmp = CONF_get_section(conf, p))) {
1214                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1215                 return 0;
1216         }
1217         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
1218                 cnf = sk_CONF_VALUE_value(sktmp, i);
1219                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1220                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1221                                                          cnf->name, cnf->value);
1222                         return 0;
1223                 }
1224         }
1225         return 1;
1226 }