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 #include <openssl/engine.h>
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define PROMPT          "prompt"
  83 #define DISTINGUISHED_NAME      "distinguished_name"
  84 #define ATTRIBUTES      "attributes"
  85 #define V3_EXTENSIONS   "x509_extensions"
  86 #define REQ_EXTENSIONS  "req_extensions"
  87 #define STRING_MASK     "string_mask"
  88
  89 #define DEFAULT_KEY_LENGTH      512
  90 #define MIN_KEY_LENGTH          384
  91
  92 #undef PROG
  93 #define PROG    req_main
  94
  95 /* -inform arg  - input format - default PEM (DER or PEM)
  96  * -outform arg - output format - default PEM
  97  * -in arg      - input file - default stdin
  98  * -out arg     - output file - default stdout
  99  * -verify      - check request signature
 100  * -noout       - don't print stuff out.
 101  * -text        - print out human readable text.
 102  * -nodes       - no des encryption
 103  * -config file - Load configuration file.
 104  * -key file    - make a request using key in file (or use it for verification).
 105  * -keyform arg - key file format.
 106  * -rand file(s) - load the file(s) into the PRNG.
 107  * -newkey      - make a key and a request.
 108  * -modulus     - print RSA modulus.
 109  * -x509        - output a self signed X509 structure instead.
 110  * -asn1-kludge - output new certificate request in a format that some CA's
 111  *                require.  This format is wrong
 112  */
 113
 114 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
 115 static int prompt_info(X509_REQ *req,
 116                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 117                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
 118 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 119                                 STACK_OF(CONF_VALUE) *attr, int attribs);
 120 static int add_attribute_object(X509_REQ *req, char *text,
 121                                 char *def, char *value, int nid, int min,
 122                                 int max);
 123 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 124         int nid,int min,int max);
 125 #ifndef NO_RSA
 126 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 127 #endif
 128 static int req_check_len(int len,int min,int max);
 129 static int check_end(char *str, char *end);
 130 #ifndef MONOLITH
 131 static char *default_config_file=NULL;
 132 static LHASH *config=NULL;
 133 #endif
 134 static LHASH *req_conf=NULL;
 135
 136 #define TYPE_RSA        1
 137 #define TYPE_DSA        2
 138 #define TYPE_DH         3
 139
 140 int MAIN(int, char **);
 141
 142 int MAIN(int argc, char **argv)
 143         {
 144         ENGINE *e = NULL;
 145 #ifndef NO_DSA
 146         DSA *dsa_params=NULL;
 147 #endif
 148         unsigned long nmflag = 0;
 149         int ex=1,x509=0,days=30;
 150         X509 *x509ss=NULL;
 151         X509_REQ *req=NULL;
 152         EVP_PKEY *pkey=NULL;
 153         int i,badops=0,newreq=0,newkey= -1,pkey_type=TYPE_RSA;
 154         BIO *in=NULL,*out=NULL;
 155         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 156         int nodes=0,kludge=0,newhdr=0,subject=0;
 157         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 158         char *engine=NULL;
 159         char *extensions = NULL;
 160         char *req_exts = NULL;
 161         EVP_CIPHER *cipher=NULL;
 162         int modulus=0;
 163         char *inrand=NULL;
 164         char *passargin = NULL, *passargout = NULL;
 165         char *passin = NULL, *passout = NULL;
 166         char *p;
 167         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 168 #ifndef MONOLITH
 169         MS_STATIC char config_name[256];
 170 #endif
 171
 172         req_conf = NULL;
 173 #ifndef NO_DES
 174         cipher=EVP_des_ede3_cbc();
 175 #endif
 176         apps_startup();
 177
 178         if (bio_err == NULL)
 179                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 180                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 181
 182         infile=NULL;
 183         outfile=NULL;
 184         informat=FORMAT_PEM;
 185         outformat=FORMAT_PEM;
 186
 187         prog=argv[0];
 188         argc--;
 189         argv++;
 190         while (argc >= 1)
 191                 {
 192                 if      (strcmp(*argv,"-inform") == 0)
 193                         {
 194                         if (--argc < 1) goto bad;
 195                         informat=str2fmt(*(++argv));
 196                         }
 197                 else if (strcmp(*argv,"-outform") == 0)
 198                         {
 199                         if (--argc < 1) goto bad;
 200                         outformat=str2fmt(*(++argv));
 201                         }
 202                 else if (strcmp(*argv,"-engine") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         engine= *(++argv);
 206                         }
 207                 else if (strcmp(*argv,"-key") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         keyfile= *(++argv);
 211                         }
 212                 else if (strcmp(*argv,"-new") == 0)
 213                         {
 214                         newreq=1;
 215                         }
 216                 else if (strcmp(*argv,"-config") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         template= *(++argv);
 220                         }
 221                 else if (strcmp(*argv,"-keyform") == 0)
 222                         {
 223                         if (--argc < 1) goto bad;
 224                         keyform=str2fmt(*(++argv));
 225                         }
 226                 else if (strcmp(*argv,"-in") == 0)
 227                         {
 228                         if (--argc < 1) goto bad;
 229                         infile= *(++argv);
 230                         }
 231                 else if (strcmp(*argv,"-out") == 0)
 232                         {
 233                         if (--argc < 1) goto bad;
 234                         outfile= *(++argv);
 235                         }
 236                 else if (strcmp(*argv,"-keyout") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                         keyout= *(++argv);
 240                         }
 241                 else if (strcmp(*argv,"-passin") == 0)
 242                         {
 243                         if (--argc < 1) goto bad;
 244                         passargin= *(++argv);
 245                         }
 246                 else if (strcmp(*argv,"-passout") == 0)
 247                         {
 248                         if (--argc < 1) goto bad;
 249                         passargout= *(++argv);
 250                         }
 251                 else if (strcmp(*argv,"-rand") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         inrand= *(++argv);
 255                         }
 256                 else if (strcmp(*argv,"-newkey") == 0)
 257                         {
 258                         int is_numeric;
 259
 260                         if (--argc < 1) goto bad;
 261                         p= *(++argv);
 262                         is_numeric = p[0] >= '0' && p[0] <= '9';
 263                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 264                                 {
 265                                 pkey_type=TYPE_RSA;
 266                                 if(!is_numeric)
 267                                     p+=4;
 268                                 newkey= atoi(p);
 269                                 }
 270                         else
 271 #ifndef NO_DSA
 272                                 if (strncmp("dsa:",p,4) == 0)
 273                                 {
 274                                 X509 *xtmp=NULL;
 275                                 EVP_PKEY *dtmp;
 276
 277                                 pkey_type=TYPE_DSA;
 278                                 p+=4;
 279                                 if ((in=BIO_new_file(p,"r")) == NULL)
 280                                         {
 281                                         perror(p);
 282                                         goto end;
 283                                         }
 284                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 285                                         {
 286                                         ERR_clear_error();
 287                                         (void)BIO_reset(in);
 288                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 289                                                 {
 290                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 291                                                 goto end;
 292                                                 }
 293
 294                                         dtmp=X509_get_pubkey(xtmp);
 295                                         if (dtmp->type == EVP_PKEY_DSA)
 296                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 297                                         EVP_PKEY_free(dtmp);
 298                                         X509_free(xtmp);
 299                                         if (dsa_params == NULL)
 300                                                 {
 301                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 302                                                 goto end;
 303                                                 }
 304                                         }
 305                                 BIO_free(in);
 306                                 newkey=BN_num_bits(dsa_params->p);
 307                                 in=NULL;
 308                                 }
 309                         else
 310 #endif
 311 #ifndef NO_DH
 312                                 if (strncmp("dh:",p,4) == 0)
 313                                 {
 314                                 pkey_type=TYPE_DH;
 315                                 p+=3;
 316                                 }
 317                         else
 318 #endif
 319                                 pkey_type=TYPE_RSA;
 320
 321                         newreq=1;
 322                         }
 323                 else if (strcmp(*argv,"-newhdr") == 0)
 324                         newhdr=1;
 325                 else if (strcmp(*argv,"-modulus") == 0)
 326                         modulus=1;
 327                 else if (strcmp(*argv,"-verify") == 0)
 328                         verify=1;
 329                 else if (strcmp(*argv,"-nodes") == 0)
 330                         nodes=1;
 331                 else if (strcmp(*argv,"-noout") == 0)
 332                         noout=1;
 333                 else if (strcmp(*argv,"-nameopt") == 0)
 334                         {
 335                         if (--argc < 1) goto bad;
 336                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 337                         }
 338                 else if (strcmp(*argv,"-subject") == 0)
 339                         subject=1;
 340                 else if (strcmp(*argv,"-text") == 0)
 341                         text=1;
 342                 else if (strcmp(*argv,"-x509") == 0)
 343                         x509=1;
 344                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 345                         kludge=1;
 346                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 347                         kludge=0;
 348                 else if (strcmp(*argv,"-days") == 0)
 349                         {
 350                         if (--argc < 1) goto bad;
 351                         days= atoi(*(++argv));
 352                         if (days == 0) days=30;
 353                         }
 354                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 355                         {
 356                         /* ok */
 357                         digest=md_alg;
 358                         }
 359                 else if (strcmp(*argv,"-extensions") == 0)
 360                         {
 361                         if (--argc < 1) goto bad;
 362                         extensions = *(++argv);
 363                         }
 364                 else if (strcmp(*argv,"-reqexts") == 0)
 365                         {
 366                         if (--argc < 1) goto bad;
 367                         req_exts = *(++argv);
 368                         }
 369                 else
 370                         {
 371                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 372                         badops=1;
 373                         break;
 374                         }
 375                 argc--;
 376                 argv++;
 377                 }
 378
 379         if (badops)
 380                 {
 381 bad:
 382                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 383                 BIO_printf(bio_err,"where options  are\n");
 384                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 385                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 386                 BIO_printf(bio_err," -in arg        input file\n");
 387                 BIO_printf(bio_err," -out arg       output file\n");
 388                 BIO_printf(bio_err," -text          text form of request\n");
 389                 BIO_printf(bio_err," -noout         do not output REQ\n");
 390                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 391                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 392                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 393                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device.\n");
 394                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 395                 BIO_printf(bio_err," -keyform arg   key file format\n");
 396                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 397                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 398                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 399                 BIO_printf(bio_err,"                the random number generator\n");
 400                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 401                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 402
 403                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 404                 BIO_printf(bio_err," -config file   request template file.\n");
 405                 BIO_printf(bio_err," -new           new request.\n");
 406                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 407                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 408                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 409                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 410                 BIO_printf(bio_err,"                have been reported as requiring\n");
 411                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 412                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 413                 goto end;
 414                 }
 415
 416         ERR_load_crypto_strings();
 417         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 418                 BIO_printf(bio_err, "Error getting passwords\n");
 419                 goto end;
 420         }
 421
 422 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 423         /* Lets load up our environment a little */
 424         p=getenv("OPENSSL_CONF");
 425         if (p == NULL)
 426                 p=getenv("SSLEAY_CONF");
 427         if (p == NULL)
 428                 {
 429                 strcpy(config_name,X509_get_default_cert_area());
 430 #ifndef VMS
 431                 strcat(config_name,"/");
 432 #endif
 433                 strcat(config_name,OPENSSL_CONF);
 434                 p=config_name;
 435                 }
 436         default_config_file=p;
 437         config=CONF_load(config,p,NULL);
 438 #endif
 439
 440         if (template != NULL)
 441                 {
 442                 long errline;
 443
 444                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 445                 req_conf=CONF_load(NULL,template,&errline);
 446                 if (req_conf == NULL)
 447                         {
 448                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 449                         goto end;
 450                         }
 451                 }
 452         else
 453                 {
 454                 req_conf=config;
 455                 BIO_printf(bio_err,"Using configuration from %s\n",
 456                         default_config_file);
 457                 if (req_conf == NULL)
 458                         {
 459                         BIO_printf(bio_err,"Unable to load config info\n");
 460                         }
 461                 }
 462
 463         if (req_conf != NULL)
 464                 {
 465                 p=CONF_get_string(req_conf,NULL,"oid_file");
 466                 if (p == NULL)
 467                         ERR_clear_error();
 468                 if (p != NULL)
 469                         {
 470                         BIO *oid_bio;
 471
 472                         oid_bio=BIO_new_file(p,"r");
 473                         if (oid_bio == NULL)
 474                                 {
 475                                 /*
 476                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 477                                 ERR_print_errors(bio_err);
 478                                 */
 479                                 }
 480                         else
 481                                 {
 482                                 OBJ_create_objects(oid_bio);
 483                                 BIO_free(oid_bio);
 484                                 }
 485                         }
 486                 }
 487         if(!add_oid_section(bio_err, req_conf)) goto end;
 488
 489         if (md_alg == NULL)
 490                 {
 491                 p=CONF_get_string(req_conf,SECTION,"default_md");
 492                 if (p == NULL)
 493                         ERR_clear_error();
 494                 if (p != NULL)
 495                         {
 496                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 497                                 digest=md_alg;
 498                         }
 499                 }
 500
 501         if (!extensions)
 502                 {
 503                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 504                 if (!extensions)
 505                         ERR_clear_error();
 506                 }
 507         if (extensions) {
 508                 /* Check syntax of file */
 509                 X509V3_CTX ctx;
 510                 X509V3_set_ctx_test(&ctx);
 511                 X509V3_set_conf_lhash(&ctx, req_conf);
 512                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
 513                         BIO_printf(bio_err,
 514                          "Error Loading extension section %s\n", extensions);
 515                         goto end;
 516                 }
 517         }
 518
 519         if(!passin)
 520                 {
 521                 passin = CONF_get_string(req_conf, SECTION, "input_password");
 522                 if (!passin)
 523                         ERR_clear_error();
 524                 }
 525
 526         if(!passout)
 527                 {
 528                 passout = CONF_get_string(req_conf, SECTION, "output_password");
 529                 if (!passout)
 530                         ERR_clear_error();
 531                 }
 532
 533         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
 534         if (!p)
 535                 ERR_clear_error();
 536
 537         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 538                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 539                 goto end;
 540         }
 541
 542         if(!req_exts)
 543                 {
 544                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 545                 if (!req_exts)
 546                         ERR_clear_error();
 547                 }
 548         if(req_exts) {
 549                 /* Check syntax of file */
 550                 X509V3_CTX ctx;
 551                 X509V3_set_ctx_test(&ctx);
 552                 X509V3_set_conf_lhash(&ctx, req_conf);
 553                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 554                         BIO_printf(bio_err,
 555                          "Error Loading request extension section %s\n",
 556                                                                 req_exts);
 557                         goto end;
 558                 }
 559         }
 560
 561         in=BIO_new(BIO_s_file());
 562         out=BIO_new(BIO_s_file());
 563         if ((in == NULL) || (out == NULL))
 564                 goto end;
 565
 566         if (engine != NULL)
 567                 {
 568                 if((e = ENGINE_by_id(engine)) == NULL)
 569                         {
 570                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
 571                                 engine);
 572                         goto end;
 573                         }
 574                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
 575                         {
 576                         BIO_printf(bio_err,"can't use that engine\n");
 577                         goto end;
 578                         }
 579                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
 580                 /* Free our "structural" reference. */
 581                 ENGINE_free(e);
 582                 }
 583
 584         if (keyfile != NULL)
 585                 {
 586                 if (keyform == FORMAT_ENGINE)
 587                         {
 588                         if (!e)
 589                                 {
 590                                 BIO_printf(bio_err,"no engine specified\n");
 591                                 goto end;
 592                                 }
 593                         pkey = ENGINE_load_private_key(e, keyfile, NULL);
 594                         }
 595                 else
 596                         {
 597                         if (BIO_read_filename(in,keyfile) <= 0)
 598                                 {
 599                                 perror(keyfile);
 600                                 goto end;
 601                                 }
 602
 603                         if (keyform == FORMAT_ASN1)
 604                                 pkey=d2i_PrivateKey_bio(in,NULL);
 605                         else if (keyform == FORMAT_PEM)
 606                                 {
 607                                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,
 608                                         passin);
 609                                 }
 610                         else
 611                                 {
 612                                 BIO_printf(bio_err,"bad input format specified for X509 request\n");
 613                                 goto end;
 614                                 }
 615                         }
 616
 617                 if (pkey == NULL)
 618                         {
 619                         BIO_printf(bio_err,"unable to load Private key\n");
 620                         goto end;
 621                         }
 622                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 623                         {
 624                         char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 625                         if (randfile == NULL)
 626                                 ERR_clear_error();
 627                         app_RAND_load_file(randfile, bio_err, 0);
 628                         }
 629                 }
 630
 631         if (newreq && (pkey == NULL))
 632                 {
 633                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 634                 if (randfile == NULL)
 635                         ERR_clear_error();
 636                 app_RAND_load_file(randfile, bio_err, 0);
 637                 if (inrand)
 638                         app_RAND_load_files(inrand);
 639
 640                 if (newkey <= 0)
 641                         {
 642                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 643                         if (newkey <= 0)
 644                                 newkey=DEFAULT_KEY_LENGTH;
 645                         }
 646
 647                 if (newkey < MIN_KEY_LENGTH)
 648                         {
 649                         BIO_printf(bio_err,"private key length is too short,\n");
 650                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 651                         goto end;
 652                         }
 653                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 654                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 655
 656                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 657
 658 #ifndef NO_RSA
 659                 if (pkey_type == TYPE_RSA)
 660                         {
 661                         if (!EVP_PKEY_assign_RSA(pkey,
 662                                 RSA_generate_key(newkey,0x10001,
 663                                         req_cb,bio_err)))
 664                                 goto end;
 665                         }
 666                 else
 667 #endif
 668 #ifndef NO_DSA
 669                         if (pkey_type == TYPE_DSA)
 670                         {
 671                         if (!DSA_generate_key(dsa_params)) goto end;
 672                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 673                         dsa_params=NULL;
 674                         }
 675 #endif
 676
 677                 app_RAND_write_file(randfile, bio_err);
 678
 679                 if (pkey == NULL) goto end;
 680
 681                 if (keyout == NULL)
 682                         {
 683                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 684                         if (keyout == NULL)
 685                                 ERR_clear_error();
 686                         }
 687
 688                 if (keyout == NULL)
 689                         {
 690                         BIO_printf(bio_err,"writing new private key to stdout\n");
 691                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 692 #ifdef VMS
 693                         {
 694                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 695                         out = BIO_push(tmpbio, out);
 696                         }
 697 #endif
 698                         }
 699                 else
 700                         {
 701                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 702                         if (BIO_write_filename(out,keyout) <= 0)
 703                                 {
 704                                 perror(keyout);
 705                                 goto end;
 706                                 }
 707                         }
 708
 709                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 710                 if (p == NULL)
 711                         {
 712                         ERR_clear_error();
 713                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 714                         if (p == NULL)
 715                                 ERR_clear_error();
 716                         }
 717                 if ((p != NULL) && (strcmp(p,"no") == 0))
 718                         cipher=NULL;
 719                 if (nodes) cipher=NULL;
 720
 721                 i=0;
 722 loop:
 723                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 724                         NULL,0,NULL,passout))
 725                         {
 726                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 727                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 728                                 {
 729                                 ERR_clear_error();
 730                                 i++;
 731                                 goto loop;
 732                                 }
 733                         goto end;
 734                         }
 735                 BIO_printf(bio_err,"-----\n");
 736                 }
 737
 738         if (!newreq)
 739                 {
 740                 /* Since we are using a pre-existing certificate
 741                  * request, the kludge 'format' info should not be
 742                  * changed. */
 743                 kludge= -1;
 744                 if (infile == NULL)
 745                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 746                 else
 747                         {
 748                         if (BIO_read_filename(in,infile) <= 0)
 749                                 {
 750                                 perror(infile);
 751                                 goto end;
 752                                 }
 753                         }
 754
 755                 if      (informat == FORMAT_ASN1)
 756                         req=d2i_X509_REQ_bio(in,NULL);
 757                 else if (informat == FORMAT_PEM)
 758                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 759                 else
 760                         {
 761                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 762                         goto end;
 763                         }
 764                 if (req == NULL)
 765                         {
 766                         BIO_printf(bio_err,"unable to load X509 request\n");
 767                         goto end;
 768                         }
 769                 }
 770
 771         if (newreq || x509)
 772                 {
 773                 if (pkey == NULL)
 774                         {
 775                         BIO_printf(bio_err,"you need to specify a private key\n");
 776                         goto end;
 777                         }
 778 #ifndef NO_DSA
 779                 if (pkey->type == EVP_PKEY_DSA)
 780                         digest=EVP_dss1();
 781 #endif
 782                 if (req == NULL)
 783                         {
 784                         req=X509_REQ_new();
 785                         if (req == NULL)
 786                                 {
 787                                 goto end;
 788                                 }
 789
 790                         i=make_REQ(req,pkey,!x509);
 791                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 792                                 {
 793                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 794                                 req->req_info->attributes = NULL;
 795                                 }
 796                         if (!i)
 797                                 {
 798                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 799                                 goto end;
 800                                 }
 801                         }
 802                 if (x509)
 803                         {
 804                         EVP_PKEY *tmppkey;
 805                         X509V3_CTX ext_ctx;
 806                         if ((x509ss=X509_new()) == NULL) goto end;
 807
 808                         /* Set version to V3 */
 809                         if(!X509_set_version(x509ss, 2)) goto end;
 810                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 811
 812                         X509_set_issuer_name(x509ss,
 813                                 X509_REQ_get_subject_name(req));
 814                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 815                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 816                                 (long)60*60*24*days);
 817                         X509_set_subject_name(x509ss,
 818                                 X509_REQ_get_subject_name(req));
 819                         tmppkey = X509_REQ_get_pubkey(req);
 820                         X509_set_pubkey(x509ss,tmppkey);
 821                         EVP_PKEY_free(tmppkey);
 822
 823                         /* Set up V3 context struct */
 824
 825                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 826                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 827
 828                         /* Add extensions */
 829                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 830                                         &ext_ctx, extensions, x509ss))
 831                             {
 832                             BIO_printf(bio_err,
 833                                        "Error Loading extension section %s\n",
 834                                        extensions);
 835                             goto end;
 836                             }
 837
 838                         if (!(i=X509_sign(x509ss,pkey,digest)))
 839                                 goto end;
 840                         }
 841                 else
 842                         {
 843                         X509V3_CTX ext_ctx;
 844
 845                         /* Set up V3 context struct */
 846
 847                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 848                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 849
 850                         /* Add extensions */
 851                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 852                                         &ext_ctx, req_exts, req))
 853                             {
 854                             BIO_printf(bio_err,
 855                                        "Error Loading extension section %s\n",
 856                                        req_exts);
 857                             goto end;
 858                             }
 859                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 860                                 goto end;
 861                         }
 862                 }
 863
 864         if (verify && !x509)
 865                 {
 866                 int tmp=0;
 867
 868                 if (pkey == NULL)
 869                         {
 870                         pkey=X509_REQ_get_pubkey(req);
 871                         tmp=1;
 872                         if (pkey == NULL) goto end;
 873                         }
 874
 875                 i=X509_REQ_verify(req,pkey);
 876                 if (tmp) {
 877                         EVP_PKEY_free(pkey);
 878                         pkey=NULL;
 879                 }
 880
 881                 if (i < 0)
 882                         {
 883                         goto end;
 884                         }
 885                 else if (i == 0)
 886                         {
 887                         BIO_printf(bio_err,"verify failure\n");
 888                         }
 889                 else /* if (i > 0) */
 890                         BIO_printf(bio_err,"verify OK\n");
 891                 }
 892
 893         if (noout && !text && !modulus && !subject)
 894                 {
 895                 ex=0;
 896                 goto end;
 897                 }
 898
 899         if (outfile == NULL)
 900                 {
 901                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 902 #ifdef VMS
 903                 {
 904                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 905                 out = BIO_push(tmpbio, out);
 906                 }
 907 #endif
 908                 }
 909         else
 910                 {
 911                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 912                         i=(int)BIO_append_filename(out,outfile);
 913                 else
 914                         i=(int)BIO_write_filename(out,outfile);
 915                 if (!i)
 916                         {
 917                         perror(outfile);
 918                         goto end;
 919                         }
 920                 }
 921
 922         if (text)
 923                 {
 924                 if (x509)
 925                         X509_print(out,x509ss);
 926                 else
 927                         X509_REQ_print(out,req);
 928                 }
 929
 930         if(subject)
 931                 {
 932                 if(x509)
 933                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
 934                 else
 935                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
 936                 }
 937
 938         if (modulus)
 939                 {
 940                 EVP_PKEY *pubkey;
 941
 942                 if (x509)
 943                         pubkey=X509_get_pubkey(x509ss);
 944                 else
 945                         pubkey=X509_REQ_get_pubkey(req);
 946                 if (pubkey == NULL)
 947                         {
 948                         fprintf(stdout,"Modulus=unavailable\n");
 949                         goto end;
 950                         }
 951                 fprintf(stdout,"Modulus=");
 952 #ifndef NO_RSA
 953                 if (pubkey->type == EVP_PKEY_RSA)
 954                         BN_print(out,pubkey->pkey.rsa->n);
 955                 else
 956 #endif
 957                         fprintf(stdout,"Wrong Algorithm type");
 958                 fprintf(stdout,"\n");
 959                 }
 960
 961         if (!noout && !x509)
 962                 {
 963                 if      (outformat == FORMAT_ASN1)
 964                         i=i2d_X509_REQ_bio(out,req);
 965                 else if (outformat == FORMAT_PEM) {
 966                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
 967                         else i=PEM_write_bio_X509_REQ(out,req);
 968                 } else {
 969                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 970                         goto end;
 971                         }
 972                 if (!i)
 973                         {
 974                         BIO_printf(bio_err,"unable to write X509 request\n");
 975                         goto end;
 976                         }
 977                 }
 978         if (!noout && x509 && (x509ss != NULL))
 979                 {
 980                 if      (outformat == FORMAT_ASN1)
 981                         i=i2d_X509_bio(out,x509ss);
 982                 else if (outformat == FORMAT_PEM)
 983                         i=PEM_write_bio_X509(out,x509ss);
 984                 else    {
 985                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 986                         goto end;
 987                         }
 988                 if (!i)
 989                         {
 990                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 991                         goto end;
 992                         }
 993                 }
 994         ex=0;
 995 end:
 996         if (ex)
 997                 {
 998                 ERR_print_errors(bio_err);
 999                 }
1000         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
1001         BIO_free(in);
1002         BIO_free_all(out);
1003         EVP_PKEY_free(pkey);
1004         X509_REQ_free(req);
1005         X509_free(x509ss);
1006         if(passargin && passin) OPENSSL_free(passin);
1007         if(passargout && passout) OPENSSL_free(passout);
1008         OBJ_cleanup();
1009 #ifndef NO_DSA
1010         if (dsa_params != NULL) DSA_free(dsa_params);
1011 #endif
1012         EXIT(ex);
1013         }
1014
1015 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
1016         {
1017         int ret=0,i;
1018         char no_prompt = 0;
1019         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1020         char *tmp, *dn_sect,*attr_sect;
1021
1022         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
1023         if (tmp == NULL)
1024                 ERR_clear_error();
1025         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1026
1027         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1028         if (dn_sect == NULL)
1029                 {
1030                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1031                         DISTINGUISHED_NAME);
1032                 goto err;
1033                 }
1034         dn_sk=CONF_get_section(req_conf,dn_sect);
1035         if (dn_sk == NULL)
1036                 {
1037                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1038                 goto err;
1039                 }
1040
1041         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1042         if (attr_sect == NULL)
1043                 {
1044                 ERR_clear_error();
1045                 attr_sk=NULL;
1046                 }
1047         else
1048                 {
1049                 attr_sk=CONF_get_section(req_conf,attr_sect);
1050                 if (attr_sk == NULL)
1051                         {
1052                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1053                         goto err;
1054                         }
1055                 }
1056
1057         /* setup version number */
1058         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1059
1060         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
1061         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1062         if(!i) goto err;
1063
1064         X509_REQ_set_pubkey(req,pkey);
1065
1066         ret=1;
1067 err:
1068         return(ret);
1069         }
1070
1071
1072 static int prompt_info(X509_REQ *req,
1073                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1074                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1075         {
1076         int i;
1077         char *p,*q;
1078         char buf[100];
1079         int nid,min,max;
1080         char *type,*def,*value;
1081         CONF_VALUE *v;
1082         X509_NAME *subj;
1083         subj = X509_REQ_get_subject_name(req);
1084         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1085         BIO_printf(bio_err,"into your certificate request.\n");
1086         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1087         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1088         BIO_printf(bio_err,"For some fields there will be a default value,\n");
1089         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1090         BIO_printf(bio_err,"-----\n");
1091
1092
1093         if (sk_CONF_VALUE_num(dn_sk))
1094                 {
1095                 i= -1;
1096 start:          for (;;)
1097                         {
1098                         i++;
1099                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1100
1101                         v=sk_CONF_VALUE_value(dn_sk,i);
1102                         p=q=NULL;
1103                         type=v->name;
1104                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1105                                 !check_end(type,"_default") ||
1106                                          !check_end(type,"_value")) continue;
1107                         /* Skip past any leading X. X: X, etc to allow for
1108                          * multiple instances
1109                          */
1110                         for(p = v->name; *p ; p++)
1111                                 if ((*p == ':') || (*p == ',') ||
1112                                                          (*p == '.')) {
1113                                         p++;
1114                                         if(*p) type = p;
1115                                         break;
1116                                 }
1117                         /* If OBJ not recognised ignore it */
1118                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1119                         sprintf(buf,"%s_default",v->name);
1120                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1121                                 {
1122                                 ERR_clear_error();
1123                                 def="";
1124                                 }
1125
1126                         sprintf(buf,"%s_value",v->name);
1127                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1128                                 {
1129                                 ERR_clear_error();
1130                                 value=NULL;
1131                                 }
1132
1133                         sprintf(buf,"%s_min",v->name);
1134                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1135
1136                         sprintf(buf,"%s_max",v->name);
1137                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1138
1139                         if (!add_DN_object(subj,v->value,def,value,nid,
1140                                 min,max))
1141                                 return 0;
1142                         }
1143                 if (X509_NAME_entry_count(subj) == 0)
1144                         {
1145                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1146                         return 0;
1147                         }
1148
1149                 if (attribs)
1150                         {
1151                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1152                                 {
1153                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1154                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1155                                 }
1156
1157                         i= -1;
1158 start2:                 for (;;)
1159                                 {
1160                                 i++;
1161                                 if ((attr_sk == NULL) ||
1162                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1163                                         break;
1164
1165                                 v=sk_CONF_VALUE_value(attr_sk,i);
1166                                 type=v->name;
1167                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1168                                         goto start2;
1169
1170                                 sprintf(buf,"%s_default",type);
1171                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1172                                         == NULL)
1173                                         {
1174                                         ERR_clear_error();
1175                                         def="";
1176                                         }
1177
1178
1179                                 sprintf(buf,"%s_value",type);
1180                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1181                                         == NULL)
1182                                         {
1183                                         ERR_clear_error();
1184                                         value=NULL;
1185                                         }
1186
1187                                 sprintf(buf,"%s_min",type);
1188                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1189
1190                                 sprintf(buf,"%s_max",type);
1191                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1192
1193                                 if (!add_attribute_object(req,
1194                                         v->value,def,value,nid,min,max))
1195                                         return 0;
1196                                 }
1197                         }
1198                 }
1199         else
1200                 {
1201                 BIO_printf(bio_err,"No template, please set one up.\n");
1202                 return 0;
1203                 }
1204
1205         return 1;
1206
1207         }
1208
1209 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1210                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1211         {
1212         int i;
1213         char *p,*q;
1214         char *type;
1215         CONF_VALUE *v;
1216         X509_NAME *subj;
1217
1218         subj = X509_REQ_get_subject_name(req);
1219
1220         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1221                 {
1222                 v=sk_CONF_VALUE_value(dn_sk,i);
1223                 p=q=NULL;
1224                 type=v->name;
1225                 /* Skip past any leading X. X: X, etc to allow for
1226                  * multiple instances
1227                  */
1228                 for(p = v->name; *p ; p++)
1229 #ifndef CHARSET_EBCDIC
1230                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1231 #else
1232                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1233 #endif
1234                                 p++;
1235                                 if(*p) type = p;
1236                                 break;
1237                         }
1238                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1239                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1240
1241                 }
1242
1243                 if (!X509_NAME_entry_count(subj))
1244                         {
1245                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1246                         return 0;
1247                         }
1248                 if (attribs)
1249                         {
1250                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1251                                 {
1252                                 v=sk_CONF_VALUE_value(attr_sk,i);
1253                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1254                                         (unsigned char *)v->value, -1)) return 0;
1255                                 }
1256                         }
1257         return 1;
1258         }
1259
1260
1261 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1262              int nid, int min, int max)
1263         {
1264         int i,ret=0;
1265         MS_STATIC char buf[1024];
1266 start:
1267         BIO_printf(bio_err,"%s [%s]:",text,def);
1268         (void)BIO_flush(bio_err);
1269         if (value != NULL)
1270                 {
1271                 strcpy(buf,value);
1272                 strcat(buf,"\n");
1273                 BIO_printf(bio_err,"%s\n",value);
1274                 }
1275         else
1276                 {
1277                 buf[0]='\0';
1278                 fgets(buf,1024,stdin);
1279                 }
1280
1281         if (buf[0] == '\0') return(0);
1282         else if (buf[0] == '\n')
1283                 {
1284                 if ((def == NULL) || (def[0] == '\0'))
1285                         return(1);
1286                 strcpy(buf,def);
1287                 strcat(buf,"\n");
1288                 }
1289         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1290
1291         i=strlen(buf);
1292         if (buf[i-1] != '\n')
1293                 {
1294                 BIO_printf(bio_err,"weird input :-(\n");
1295                 return(0);
1296                 }
1297         buf[--i]='\0';
1298
1299 #ifdef CHARSET_EBCDIC
1300         ebcdic2ascii(buf, buf, i);
1301 #endif
1302         if(!req_check_len(i, min, max)) goto start;
1303         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1304                                 (unsigned char *) buf, -1,-1,0)) goto err;
1305         ret=1;
1306 err:
1307         return(ret);
1308         }
1309
1310 static int add_attribute_object(X509_REQ *req, char *text,
1311                                 char *def, char *value, int nid, int min,
1312                                 int max)
1313         {
1314         int i;
1315         static char buf[1024];
1316
1317 start:
1318         BIO_printf(bio_err,"%s [%s]:",text,def);
1319         (void)BIO_flush(bio_err);
1320         if (value != NULL)
1321                 {
1322                 strcpy(buf,value);
1323                 strcat(buf,"\n");
1324                 BIO_printf(bio_err,"%s\n",value);
1325                 }
1326         else
1327                 {
1328                 buf[0]='\0';
1329                 fgets(buf,1024,stdin);
1330                 }
1331
1332         if (buf[0] == '\0') return(0);
1333         else if (buf[0] == '\n')
1334                 {
1335                 if ((def == NULL) || (def[0] == '\0'))
1336                         return(1);
1337                 strcpy(buf,def);
1338                 strcat(buf,"\n");
1339                 }
1340         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1341
1342         i=strlen(buf);
1343         if (buf[i-1] != '\n')
1344                 {
1345                 BIO_printf(bio_err,"weird input :-(\n");
1346                 return(0);
1347                 }
1348         buf[--i]='\0';
1349 #ifdef CHARSET_EBCDIC
1350         ebcdic2ascii(buf, buf, i);
1351 #endif
1352         if(!req_check_len(i, min, max)) goto start;
1353
1354         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1355                                         (unsigned char *)buf, -1)) {
1356                 BIO_printf(bio_err, "Error adding attribute\n");
1357                 ERR_print_errors(bio_err);
1358                 goto err;
1359         }
1360
1361         return(1);
1362 err:
1363         return(0);
1364         }
1365
1366 #ifndef NO_RSA
1367 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1368         {
1369         char c='*';
1370
1371         if (p == 0) c='.';
1372         if (p == 1) c='+';
1373         if (p == 2) c='*';
1374         if (p == 3) c='\n';
1375         BIO_write((BIO *)arg,&c,1);
1376         (void)BIO_flush((BIO *)arg);
1377 #ifdef LINT
1378         p=n;
1379 #endif
1380         }
1381 #endif
1382
1383 static int req_check_len(int len, int min, int max)
1384         {
1385         if (len < min)
1386                 {
1387                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1388                 return(0);
1389                 }
1390         if ((max != 0) && (len > max))
1391                 {
1392                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1393                 return(0);
1394                 }
1395         return(1);
1396         }
1397
1398 /* Check if the end of a string matches 'end' */
1399 static int check_end(char *str, char *end)
1400 {
1401         int elen, slen;
1402         char *tmp;
1403         elen = strlen(end);
1404         slen = strlen(str);
1405         if(elen > slen) return 1;
1406         tmp = str + slen - elen;
1407         return strcmp(tmp, end);
1408 }