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         ASN1_INTEGER *serial = NULL;
 163         int modulus=0;
 164         char *inrand=NULL;
 165         char *passargin = NULL, *passargout = NULL;
 166         char *passin = NULL, *passout = NULL;
 167         char *p;
 168         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 169 #ifndef MONOLITH
 170         MS_STATIC char config_name[256];
 171 #endif
 172
 173         req_conf = NULL;
 174 #ifndef NO_DES
 175         cipher=EVP_des_ede3_cbc();
 176 #endif
 177         apps_startup();
 178
 179         if (bio_err == NULL)
 180                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 181                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 182
 183         infile=NULL;
 184         outfile=NULL;
 185         informat=FORMAT_PEM;
 186         outformat=FORMAT_PEM;
 187
 188         prog=argv[0];
 189         argc--;
 190         argv++;
 191         while (argc >= 1)
 192                 {
 193                 if      (strcmp(*argv,"-inform") == 0)
 194                         {
 195                         if (--argc < 1) goto bad;
 196                         informat=str2fmt(*(++argv));
 197                         }
 198                 else if (strcmp(*argv,"-outform") == 0)
 199                         {
 200                         if (--argc < 1) goto bad;
 201                         outformat=str2fmt(*(++argv));
 202                         }
 203                 else if (strcmp(*argv,"-engine") == 0)
 204                         {
 205                         if (--argc < 1) goto bad;
 206                         engine= *(++argv);
 207                         }
 208                 else if (strcmp(*argv,"-key") == 0)
 209                         {
 210                         if (--argc < 1) goto bad;
 211                         keyfile= *(++argv);
 212                         }
 213                 else if (strcmp(*argv,"-new") == 0)
 214                         {
 215                         newreq=1;
 216                         }
 217                 else if (strcmp(*argv,"-config") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         template= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-keyform") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         keyform=str2fmt(*(++argv));
 226                         }
 227                 else if (strcmp(*argv,"-in") == 0)
 228                         {
 229                         if (--argc < 1) goto bad;
 230                         infile= *(++argv);
 231                         }
 232                 else if (strcmp(*argv,"-out") == 0)
 233                         {
 234                         if (--argc < 1) goto bad;
 235                         outfile= *(++argv);
 236                         }
 237                 else if (strcmp(*argv,"-keyout") == 0)
 238                         {
 239                         if (--argc < 1) goto bad;
 240                         keyout= *(++argv);
 241                         }
 242                 else if (strcmp(*argv,"-passin") == 0)
 243                         {
 244                         if (--argc < 1) goto bad;
 245                         passargin= *(++argv);
 246                         }
 247                 else if (strcmp(*argv,"-passout") == 0)
 248                         {
 249                         if (--argc < 1) goto bad;
 250                         passargout= *(++argv);
 251                         }
 252                 else if (strcmp(*argv,"-rand") == 0)
 253                         {
 254                         if (--argc < 1) goto bad;
 255                         inrand= *(++argv);
 256                         }
 257                 else if (strcmp(*argv,"-newkey") == 0)
 258                         {
 259                         int is_numeric;
 260
 261                         if (--argc < 1) goto bad;
 262                         p= *(++argv);
 263                         is_numeric = p[0] >= '0' && p[0] <= '9';
 264                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 265                                 {
 266                                 pkey_type=TYPE_RSA;
 267                                 if(!is_numeric)
 268                                     p+=4;
 269                                 newkey= atoi(p);
 270                                 }
 271                         else
 272 #ifndef NO_DSA
 273                                 if (strncmp("dsa:",p,4) == 0)
 274                                 {
 275                                 X509 *xtmp=NULL;
 276                                 EVP_PKEY *dtmp;
 277
 278                                 pkey_type=TYPE_DSA;
 279                                 p+=4;
 280                                 if ((in=BIO_new_file(p,"r")) == NULL)
 281                                         {
 282                                         perror(p);
 283                                         goto end;
 284                                         }
 285                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 286                                         {
 287                                         ERR_clear_error();
 288                                         (void)BIO_reset(in);
 289                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 290                                                 {
 291                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 292                                                 goto end;
 293                                                 }
 294
 295                                         dtmp=X509_get_pubkey(xtmp);
 296                                         if (dtmp->type == EVP_PKEY_DSA)
 297                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 298                                         EVP_PKEY_free(dtmp);
 299                                         X509_free(xtmp);
 300                                         if (dsa_params == NULL)
 301                                                 {
 302                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 303                                                 goto end;
 304                                                 }
 305                                         }
 306                                 BIO_free(in);
 307                                 newkey=BN_num_bits(dsa_params->p);
 308                                 in=NULL;
 309                                 }
 310                         else
 311 #endif
 312 #ifndef NO_DH
 313                                 if (strncmp("dh:",p,4) == 0)
 314                                 {
 315                                 pkey_type=TYPE_DH;
 316                                 p+=3;
 317                                 }
 318                         else
 319 #endif
 320                                 pkey_type=TYPE_RSA;
 321
 322                         newreq=1;
 323                         }
 324                 else if (strcmp(*argv,"-newhdr") == 0)
 325                         newhdr=1;
 326                 else if (strcmp(*argv,"-modulus") == 0)
 327                         modulus=1;
 328                 else if (strcmp(*argv,"-verify") == 0)
 329                         verify=1;
 330                 else if (strcmp(*argv,"-nodes") == 0)
 331                         nodes=1;
 332                 else if (strcmp(*argv,"-noout") == 0)
 333                         noout=1;
 334                 else if (strcmp(*argv,"-nameopt") == 0)
 335                         {
 336                         if (--argc < 1) goto bad;
 337                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 338                         }
 339                 else if (strcmp(*argv,"-subject") == 0)
 340                         subject=1;
 341                 else if (strcmp(*argv,"-text") == 0)
 342                         text=1;
 343                 else if (strcmp(*argv,"-x509") == 0)
 344                         x509=1;
 345                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 346                         kludge=1;
 347                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 348                         kludge=0;
 349                 else if (strcmp(*argv,"-days") == 0)
 350                         {
 351                         if (--argc < 1) goto bad;
 352                         days= atoi(*(++argv));
 353                         if (days == 0) days=30;
 354                         }
 355                 else if (strcmp(*argv,"-set_serial") == 0)
 356                         {
 357                         if (--argc < 1) goto bad;
 358                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 359                         if (!serial) goto bad;
 360                         }
 361                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 362                         {
 363                         /* ok */
 364                         digest=md_alg;
 365                         }
 366                 else if (strcmp(*argv,"-extensions") == 0)
 367                         {
 368                         if (--argc < 1) goto bad;
 369                         extensions = *(++argv);
 370                         }
 371                 else if (strcmp(*argv,"-reqexts") == 0)
 372                         {
 373                         if (--argc < 1) goto bad;
 374                         req_exts = *(++argv);
 375                         }
 376                 else
 377                         {
 378                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 379                         badops=1;
 380                         break;
 381                         }
 382                 argc--;
 383                 argv++;
 384                 }
 385
 386         if (badops)
 387                 {
 388 bad:
 389                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 390                 BIO_printf(bio_err,"where options  are\n");
 391                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 392                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 393                 BIO_printf(bio_err," -in arg        input file\n");
 394                 BIO_printf(bio_err," -out arg       output file\n");
 395                 BIO_printf(bio_err," -text          text form of request\n");
 396                 BIO_printf(bio_err," -noout         do not output REQ\n");
 397                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 398                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 399                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 400                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device.\n");
 401                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 402                 BIO_printf(bio_err," -keyform arg   key file format\n");
 403                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 404                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 405                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 406                 BIO_printf(bio_err,"                the random number generator\n");
 407                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 408                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 409
 410                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 411                 BIO_printf(bio_err," -config file   request template file.\n");
 412                 BIO_printf(bio_err," -new           new request.\n");
 413                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 414                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 415                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 416                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 417                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 418                 BIO_printf(bio_err,"                have been reported as requiring\n");
 419                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 420                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 421                 goto end;
 422                 }
 423
 424         ERR_load_crypto_strings();
 425         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 426                 BIO_printf(bio_err, "Error getting passwords\n");
 427                 goto end;
 428         }
 429
 430 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 431         /* Lets load up our environment a little */
 432         p=getenv("OPENSSL_CONF");
 433         if (p == NULL)
 434                 p=getenv("SSLEAY_CONF");
 435         if (p == NULL)
 436                 {
 437                 strcpy(config_name,X509_get_default_cert_area());
 438 #ifndef VMS
 439                 strcat(config_name,"/");
 440 #endif
 441                 strcat(config_name,OPENSSL_CONF);
 442                 p=config_name;
 443                 }
 444         default_config_file=p;
 445         config=CONF_load(config,p,NULL);
 446 #endif
 447
 448         if (template != NULL)
 449                 {
 450                 long errline;
 451
 452                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 453                 req_conf=CONF_load(NULL,template,&errline);
 454                 if (req_conf == NULL)
 455                         {
 456                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 457                         goto end;
 458                         }
 459                 }
 460         else
 461                 {
 462                 req_conf=config;
 463                 BIO_printf(bio_err,"Using configuration from %s\n",
 464                         default_config_file);
 465                 if (req_conf == NULL)
 466                         {
 467                         BIO_printf(bio_err,"Unable to load config info\n");
 468                         }
 469                 }
 470
 471         if (req_conf != NULL)
 472                 {
 473                 p=CONF_get_string(req_conf,NULL,"oid_file");
 474                 if (p == NULL)
 475                         ERR_clear_error();
 476                 if (p != NULL)
 477                         {
 478                         BIO *oid_bio;
 479
 480                         oid_bio=BIO_new_file(p,"r");
 481                         if (oid_bio == NULL)
 482                                 {
 483                                 /*
 484                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 485                                 ERR_print_errors(bio_err);
 486                                 */
 487                                 }
 488                         else
 489                                 {
 490                                 OBJ_create_objects(oid_bio);
 491                                 BIO_free(oid_bio);
 492                                 }
 493                         }
 494                 }
 495         if(!add_oid_section(bio_err, req_conf)) goto end;
 496
 497         if (md_alg == NULL)
 498                 {
 499                 p=CONF_get_string(req_conf,SECTION,"default_md");
 500                 if (p == NULL)
 501                         ERR_clear_error();
 502                 if (p != NULL)
 503                         {
 504                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 505                                 digest=md_alg;
 506                         }
 507                 }
 508
 509         if (!extensions)
 510                 {
 511                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 512                 if (!extensions)
 513                         ERR_clear_error();
 514                 }
 515         if (extensions) {
 516                 /* Check syntax of file */
 517                 X509V3_CTX ctx;
 518                 X509V3_set_ctx_test(&ctx);
 519                 X509V3_set_conf_lhash(&ctx, req_conf);
 520                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
 521                         BIO_printf(bio_err,
 522                          "Error Loading extension section %s\n", extensions);
 523                         goto end;
 524                 }
 525         }
 526
 527         if(!passin)
 528                 {
 529                 passin = CONF_get_string(req_conf, SECTION, "input_password");
 530                 if (!passin)
 531                         ERR_clear_error();
 532                 }
 533
 534         if(!passout)
 535                 {
 536                 passout = CONF_get_string(req_conf, SECTION, "output_password");
 537                 if (!passout)
 538                         ERR_clear_error();
 539                 }
 540
 541         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
 542         if (!p)
 543                 ERR_clear_error();
 544
 545         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 546                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 547                 goto end;
 548         }
 549
 550         if(!req_exts)
 551                 {
 552                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 553                 if (!req_exts)
 554                         ERR_clear_error();
 555                 }
 556         if(req_exts) {
 557                 /* Check syntax of file */
 558                 X509V3_CTX ctx;
 559                 X509V3_set_ctx_test(&ctx);
 560                 X509V3_set_conf_lhash(&ctx, req_conf);
 561                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 562                         BIO_printf(bio_err,
 563                          "Error Loading request extension section %s\n",
 564                                                                 req_exts);
 565                         goto end;
 566                 }
 567         }
 568
 569         in=BIO_new(BIO_s_file());
 570         out=BIO_new(BIO_s_file());
 571         if ((in == NULL) || (out == NULL))
 572                 goto end;
 573
 574         if (engine != NULL)
 575                 {
 576                 if((e = ENGINE_by_id(engine)) == NULL)
 577                         {
 578                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
 579                                 engine);
 580                         goto end;
 581                         }
 582                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
 583                         {
 584                         BIO_printf(bio_err,"can't use that engine\n");
 585                         goto end;
 586                         }
 587                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
 588                 /* Free our "structural" reference. */
 589                 ENGINE_free(e);
 590                 }
 591
 592         if (keyfile != NULL)
 593                 {
 594                 if (keyform == FORMAT_ENGINE)
 595                         {
 596                         if (!e)
 597                                 {
 598                                 BIO_printf(bio_err,"no engine specified\n");
 599                                 goto end;
 600                                 }
 601                         pkey = ENGINE_load_private_key(e, keyfile, NULL);
 602                         }
 603                 else
 604                         {
 605                         if (BIO_read_filename(in,keyfile) <= 0)
 606                                 {
 607                                 perror(keyfile);
 608                                 goto end;
 609                                 }
 610
 611                         if (keyform == FORMAT_ASN1)
 612                                 pkey=d2i_PrivateKey_bio(in,NULL);
 613                         else if (keyform == FORMAT_PEM)
 614                                 {
 615                                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,
 616                                         passin);
 617                                 }
 618                         else
 619                                 {
 620                                 BIO_printf(bio_err,"bad input format specified for X509 request\n");
 621                                 goto end;
 622                                 }
 623                         }
 624
 625                 if (pkey == NULL)
 626                         {
 627                         BIO_printf(bio_err,"unable to load Private key\n");
 628                         goto end;
 629                         }
 630                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 631                         {
 632                         char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 633                         if (randfile == NULL)
 634                                 ERR_clear_error();
 635                         app_RAND_load_file(randfile, bio_err, 0);
 636                         }
 637                 }
 638
 639         if (newreq && (pkey == NULL))
 640                 {
 641                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 642                 if (randfile == NULL)
 643                         ERR_clear_error();
 644                 app_RAND_load_file(randfile, bio_err, 0);
 645                 if (inrand)
 646                         app_RAND_load_files(inrand);
 647
 648                 if (newkey <= 0)
 649                         {
 650                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 651                         if (newkey <= 0)
 652                                 newkey=DEFAULT_KEY_LENGTH;
 653                         }
 654
 655                 if (newkey < MIN_KEY_LENGTH)
 656                         {
 657                         BIO_printf(bio_err,"private key length is too short,\n");
 658                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 659                         goto end;
 660                         }
 661                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 662                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 663
 664                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 665
 666 #ifndef NO_RSA
 667                 if (pkey_type == TYPE_RSA)
 668                         {
 669                         if (!EVP_PKEY_assign_RSA(pkey,
 670                                 RSA_generate_key(newkey,0x10001,
 671                                         req_cb,bio_err)))
 672                                 goto end;
 673                         }
 674                 else
 675 #endif
 676 #ifndef NO_DSA
 677                         if (pkey_type == TYPE_DSA)
 678                         {
 679                         if (!DSA_generate_key(dsa_params)) goto end;
 680                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 681                         dsa_params=NULL;
 682                         }
 683 #endif
 684
 685                 app_RAND_write_file(randfile, bio_err);
 686
 687                 if (pkey == NULL) goto end;
 688
 689                 if (keyout == NULL)
 690                         {
 691                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 692                         if (keyout == NULL)
 693                                 ERR_clear_error();
 694                         }
 695
 696                 if (keyout == NULL)
 697                         {
 698                         BIO_printf(bio_err,"writing new private key to stdout\n");
 699                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 700 #ifdef VMS
 701                         {
 702                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 703                         out = BIO_push(tmpbio, out);
 704                         }
 705 #endif
 706                         }
 707                 else
 708                         {
 709                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 710                         if (BIO_write_filename(out,keyout) <= 0)
 711                                 {
 712                                 perror(keyout);
 713                                 goto end;
 714                                 }
 715                         }
 716
 717                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 718                 if (p == NULL)
 719                         {
 720                         ERR_clear_error();
 721                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 722                         if (p == NULL)
 723                                 ERR_clear_error();
 724                         }
 725                 if ((p != NULL) && (strcmp(p,"no") == 0))
 726                         cipher=NULL;
 727                 if (nodes) cipher=NULL;
 728
 729                 i=0;
 730 loop:
 731                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 732                         NULL,0,NULL,passout))
 733                         {
 734                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 735                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 736                                 {
 737                                 ERR_clear_error();
 738                                 i++;
 739                                 goto loop;
 740                                 }
 741                         goto end;
 742                         }
 743                 BIO_printf(bio_err,"-----\n");
 744                 }
 745
 746         if (!newreq)
 747                 {
 748                 /* Since we are using a pre-existing certificate
 749                  * request, the kludge 'format' info should not be
 750                  * changed. */
 751                 kludge= -1;
 752                 if (infile == NULL)
 753                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 754                 else
 755                         {
 756                         if (BIO_read_filename(in,infile) <= 0)
 757                                 {
 758                                 perror(infile);
 759                                 goto end;
 760                                 }
 761                         }
 762
 763                 if      (informat == FORMAT_ASN1)
 764                         req=d2i_X509_REQ_bio(in,NULL);
 765                 else if (informat == FORMAT_PEM)
 766                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 767                 else
 768                         {
 769                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 770                         goto end;
 771                         }
 772                 if (req == NULL)
 773                         {
 774                         BIO_printf(bio_err,"unable to load X509 request\n");
 775                         goto end;
 776                         }
 777                 }
 778
 779         if (newreq || x509)
 780                 {
 781                 if (pkey == NULL)
 782                         {
 783                         BIO_printf(bio_err,"you need to specify a private key\n");
 784                         goto end;
 785                         }
 786 #ifndef NO_DSA
 787                 if (pkey->type == EVP_PKEY_DSA)
 788                         digest=EVP_dss1();
 789 #endif
 790                 if (req == NULL)
 791                         {
 792                         req=X509_REQ_new();
 793                         if (req == NULL)
 794                                 {
 795                                 goto end;
 796                                 }
 797
 798                         i=make_REQ(req,pkey,!x509);
 799                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 800                                 {
 801                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 802                                 req->req_info->attributes = NULL;
 803                                 }
 804                         if (!i)
 805                                 {
 806                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 807                                 goto end;
 808                                 }
 809                         }
 810                 if (x509)
 811                         {
 812                         EVP_PKEY *tmppkey;
 813                         X509V3_CTX ext_ctx;
 814                         if ((x509ss=X509_new()) == NULL) goto end;
 815
 816                         /* Set version to V3 */
 817                         if(!X509_set_version(x509ss, 2)) goto end;
 818                         if (serial)
 819                                 X509_set_serialNumber(x509ss, serial);
 820                         else
 821                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 822
 823                         X509_set_issuer_name(x509ss,
 824                                 X509_REQ_get_subject_name(req));
 825                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 826                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 827                                 (long)60*60*24*days);
 828                         X509_set_subject_name(x509ss,
 829                                 X509_REQ_get_subject_name(req));
 830                         tmppkey = X509_REQ_get_pubkey(req);
 831                         X509_set_pubkey(x509ss,tmppkey);
 832                         EVP_PKEY_free(tmppkey);
 833
 834                         /* Set up V3 context struct */
 835
 836                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 837                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 838
 839                         /* Add extensions */
 840                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 841                                         &ext_ctx, extensions, x509ss))
 842                             {
 843                             BIO_printf(bio_err,
 844                                        "Error Loading extension section %s\n",
 845                                        extensions);
 846                             goto end;
 847                             }
 848
 849                         if (!(i=X509_sign(x509ss,pkey,digest)))
 850                                 goto end;
 851                         }
 852                 else
 853                         {
 854                         X509V3_CTX ext_ctx;
 855
 856                         /* Set up V3 context struct */
 857
 858                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 859                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 860
 861                         /* Add extensions */
 862                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 863                                         &ext_ctx, req_exts, req))
 864                             {
 865                             BIO_printf(bio_err,
 866                                        "Error Loading extension section %s\n",
 867                                        req_exts);
 868                             goto end;
 869                             }
 870                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 871                                 goto end;
 872                         }
 873                 }
 874
 875         if (verify && !x509)
 876                 {
 877                 int tmp=0;
 878
 879                 if (pkey == NULL)
 880                         {
 881                         pkey=X509_REQ_get_pubkey(req);
 882                         tmp=1;
 883                         if (pkey == NULL) goto end;
 884                         }
 885
 886                 i=X509_REQ_verify(req,pkey);
 887                 if (tmp) {
 888                         EVP_PKEY_free(pkey);
 889                         pkey=NULL;
 890                 }
 891
 892                 if (i < 0)
 893                         {
 894                         goto end;
 895                         }
 896                 else if (i == 0)
 897                         {
 898                         BIO_printf(bio_err,"verify failure\n");
 899                         }
 900                 else /* if (i > 0) */
 901                         BIO_printf(bio_err,"verify OK\n");
 902                 }
 903
 904         if (noout && !text && !modulus && !subject)
 905                 {
 906                 ex=0;
 907                 goto end;
 908                 }
 909
 910         if (outfile == NULL)
 911                 {
 912                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 913 #ifdef VMS
 914                 {
 915                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 916                 out = BIO_push(tmpbio, out);
 917                 }
 918 #endif
 919                 }
 920         else
 921                 {
 922                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 923                         i=(int)BIO_append_filename(out,outfile);
 924                 else
 925                         i=(int)BIO_write_filename(out,outfile);
 926                 if (!i)
 927                         {
 928                         perror(outfile);
 929                         goto end;
 930                         }
 931                 }
 932
 933         if (text)
 934                 {
 935                 if (x509)
 936                         X509_print(out,x509ss);
 937                 else
 938                         X509_REQ_print(out,req);
 939                 }
 940
 941         if(subject)
 942                 {
 943                 if(x509)
 944                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
 945                 else
 946                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
 947                 }
 948
 949         if (modulus)
 950                 {
 951                 EVP_PKEY *pubkey;
 952
 953                 if (x509)
 954                         pubkey=X509_get_pubkey(x509ss);
 955                 else
 956                         pubkey=X509_REQ_get_pubkey(req);
 957                 if (pubkey == NULL)
 958                         {
 959                         fprintf(stdout,"Modulus=unavailable\n");
 960                         goto end;
 961                         }
 962                 fprintf(stdout,"Modulus=");
 963 #ifndef NO_RSA
 964                 if (pubkey->type == EVP_PKEY_RSA)
 965                         BN_print(out,pubkey->pkey.rsa->n);
 966                 else
 967 #endif
 968                         fprintf(stdout,"Wrong Algorithm type");
 969                 fprintf(stdout,"\n");
 970                 }
 971
 972         if (!noout && !x509)
 973                 {
 974                 if      (outformat == FORMAT_ASN1)
 975                         i=i2d_X509_REQ_bio(out,req);
 976                 else if (outformat == FORMAT_PEM) {
 977                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
 978                         else i=PEM_write_bio_X509_REQ(out,req);
 979                 } else {
 980                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 981                         goto end;
 982                         }
 983                 if (!i)
 984                         {
 985                         BIO_printf(bio_err,"unable to write X509 request\n");
 986                         goto end;
 987                         }
 988                 }
 989         if (!noout && x509 && (x509ss != NULL))
 990                 {
 991                 if      (outformat == FORMAT_ASN1)
 992                         i=i2d_X509_bio(out,x509ss);
 993                 else if (outformat == FORMAT_PEM)
 994                         i=PEM_write_bio_X509(out,x509ss);
 995                 else    {
 996                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 997                         goto end;
 998                         }
 999                 if (!i)
1000                         {
1001                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1002                         goto end;
1003                         }
1004                 }
1005         ex=0;
1006 end:
1007         if (ex)
1008                 {
1009                 ERR_print_errors(bio_err);
1010                 }
1011         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
1012         BIO_free(in);
1013         BIO_free_all(out);
1014         EVP_PKEY_free(pkey);
1015         X509_REQ_free(req);
1016         X509_free(x509ss);
1017         ASN1_INTEGER_free(serial);
1018         if(passargin && passin) OPENSSL_free(passin);
1019         if(passargout && passout) OPENSSL_free(passout);
1020         OBJ_cleanup();
1021 #ifndef NO_DSA
1022         if (dsa_params != NULL) DSA_free(dsa_params);
1023 #endif
1024         EXIT(ex);
1025         }
1026
1027 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
1028         {
1029         int ret=0,i;
1030         char no_prompt = 0;
1031         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1032         char *tmp, *dn_sect,*attr_sect;
1033
1034         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
1035         if (tmp == NULL)
1036                 ERR_clear_error();
1037         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1038
1039         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1040         if (dn_sect == NULL)
1041                 {
1042                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1043                         DISTINGUISHED_NAME);
1044                 goto err;
1045                 }
1046         dn_sk=CONF_get_section(req_conf,dn_sect);
1047         if (dn_sk == NULL)
1048                 {
1049                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1050                 goto err;
1051                 }
1052
1053         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1054         if (attr_sect == NULL)
1055                 {
1056                 ERR_clear_error();
1057                 attr_sk=NULL;
1058                 }
1059         else
1060                 {
1061                 attr_sk=CONF_get_section(req_conf,attr_sect);
1062                 if (attr_sk == NULL)
1063                         {
1064                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1065                         goto err;
1066                         }
1067                 }
1068
1069         /* setup version number */
1070         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1071
1072         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
1073         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1074         if(!i) goto err;
1075
1076         X509_REQ_set_pubkey(req,pkey);
1077
1078         ret=1;
1079 err:
1080         return(ret);
1081         }
1082
1083
1084 static int prompt_info(X509_REQ *req,
1085                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1086                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1087         {
1088         int i;
1089         char *p,*q;
1090         char buf[100];
1091         int nid,min,max;
1092         char *type,*def,*value;
1093         CONF_VALUE *v;
1094         X509_NAME *subj;
1095         subj = X509_REQ_get_subject_name(req);
1096         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1097         BIO_printf(bio_err,"into your certificate request.\n");
1098         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1099         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1100         BIO_printf(bio_err,"For some fields there will be a default value,\n");
1101         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1102         BIO_printf(bio_err,"-----\n");
1103
1104
1105         if (sk_CONF_VALUE_num(dn_sk))
1106                 {
1107                 i= -1;
1108 start:          for (;;)
1109                         {
1110                         i++;
1111                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1112
1113                         v=sk_CONF_VALUE_value(dn_sk,i);
1114                         p=q=NULL;
1115                         type=v->name;
1116                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1117                                 !check_end(type,"_default") ||
1118                                          !check_end(type,"_value")) continue;
1119                         /* Skip past any leading X. X: X, etc to allow for
1120                          * multiple instances
1121                          */
1122                         for(p = v->name; *p ; p++)
1123                                 if ((*p == ':') || (*p == ',') ||
1124                                                          (*p == '.')) {
1125                                         p++;
1126                                         if(*p) type = p;
1127                                         break;
1128                                 }
1129                         /* If OBJ not recognised ignore it */
1130                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1131                         sprintf(buf,"%s_default",v->name);
1132                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1133                                 {
1134                                 ERR_clear_error();
1135                                 def="";
1136                                 }
1137
1138                         sprintf(buf,"%s_value",v->name);
1139                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1140                                 {
1141                                 ERR_clear_error();
1142                                 value=NULL;
1143                                 }
1144
1145                         sprintf(buf,"%s_min",v->name);
1146                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1147
1148                         sprintf(buf,"%s_max",v->name);
1149                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1150
1151                         if (!add_DN_object(subj,v->value,def,value,nid,
1152                                 min,max))
1153                                 return 0;
1154                         }
1155                 if (X509_NAME_entry_count(subj) == 0)
1156                         {
1157                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1158                         return 0;
1159                         }
1160
1161                 if (attribs)
1162                         {
1163                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1164                                 {
1165                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1166                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1167                                 }
1168
1169                         i= -1;
1170 start2:                 for (;;)
1171                                 {
1172                                 i++;
1173                                 if ((attr_sk == NULL) ||
1174                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1175                                         break;
1176
1177                                 v=sk_CONF_VALUE_value(attr_sk,i);
1178                                 type=v->name;
1179                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1180                                         goto start2;
1181
1182                                 sprintf(buf,"%s_default",type);
1183                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1184                                         == NULL)
1185                                         {
1186                                         ERR_clear_error();
1187                                         def="";
1188                                         }
1189
1190
1191                                 sprintf(buf,"%s_value",type);
1192                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1193                                         == NULL)
1194                                         {
1195                                         ERR_clear_error();
1196                                         value=NULL;
1197                                         }
1198
1199                                 sprintf(buf,"%s_min",type);
1200                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1201
1202                                 sprintf(buf,"%s_max",type);
1203                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1204
1205                                 if (!add_attribute_object(req,
1206                                         v->value,def,value,nid,min,max))
1207                                         return 0;
1208                                 }
1209                         }
1210                 }
1211         else
1212                 {
1213                 BIO_printf(bio_err,"No template, please set one up.\n");
1214                 return 0;
1215                 }
1216
1217         return 1;
1218
1219         }
1220
1221 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1222                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1223         {
1224         int i;
1225         char *p,*q;
1226         char *type;
1227         CONF_VALUE *v;
1228         X509_NAME *subj;
1229
1230         subj = X509_REQ_get_subject_name(req);
1231
1232         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1233                 {
1234                 v=sk_CONF_VALUE_value(dn_sk,i);
1235                 p=q=NULL;
1236                 type=v->name;
1237                 /* Skip past any leading X. X: X, etc to allow for
1238                  * multiple instances
1239                  */
1240                 for(p = v->name; *p ; p++)
1241 #ifndef CHARSET_EBCDIC
1242                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1243 #else
1244                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1245 #endif
1246                                 p++;
1247                                 if(*p) type = p;
1248                                 break;
1249                         }
1250                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1251                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1252
1253                 }
1254
1255                 if (!X509_NAME_entry_count(subj))
1256                         {
1257                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1258                         return 0;
1259                         }
1260                 if (attribs)
1261                         {
1262                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1263                                 {
1264                                 v=sk_CONF_VALUE_value(attr_sk,i);
1265                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1266                                         (unsigned char *)v->value, -1)) return 0;
1267                                 }
1268                         }
1269         return 1;
1270         }
1271
1272
1273 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1274              int nid, int min, int max)
1275         {
1276         int i,ret=0;
1277         MS_STATIC char buf[1024];
1278 start:
1279         BIO_printf(bio_err,"%s [%s]:",text,def);
1280         (void)BIO_flush(bio_err);
1281         if (value != NULL)
1282                 {
1283                 strcpy(buf,value);
1284                 strcat(buf,"\n");
1285                 BIO_printf(bio_err,"%s\n",value);
1286                 }
1287         else
1288                 {
1289                 buf[0]='\0';
1290                 fgets(buf,1024,stdin);
1291                 }
1292
1293         if (buf[0] == '\0') return(0);
1294         else if (buf[0] == '\n')
1295                 {
1296                 if ((def == NULL) || (def[0] == '\0'))
1297                         return(1);
1298                 strcpy(buf,def);
1299                 strcat(buf,"\n");
1300                 }
1301         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1302
1303         i=strlen(buf);
1304         if (buf[i-1] != '\n')
1305                 {
1306                 BIO_printf(bio_err,"weird input :-(\n");
1307                 return(0);
1308                 }
1309         buf[--i]='\0';
1310
1311 #ifdef CHARSET_EBCDIC
1312         ebcdic2ascii(buf, buf, i);
1313 #endif
1314         if(!req_check_len(i, min, max)) goto start;
1315         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1316                                 (unsigned char *) buf, -1,-1,0)) goto err;
1317         ret=1;
1318 err:
1319         return(ret);
1320         }
1321
1322 static int add_attribute_object(X509_REQ *req, char *text,
1323                                 char *def, char *value, int nid, int min,
1324                                 int max)
1325         {
1326         int i;
1327         static char buf[1024];
1328
1329 start:
1330         BIO_printf(bio_err,"%s [%s]:",text,def);
1331         (void)BIO_flush(bio_err);
1332         if (value != NULL)
1333                 {
1334                 strcpy(buf,value);
1335                 strcat(buf,"\n");
1336                 BIO_printf(bio_err,"%s\n",value);
1337                 }
1338         else
1339                 {
1340                 buf[0]='\0';
1341                 fgets(buf,1024,stdin);
1342                 }
1343
1344         if (buf[0] == '\0') return(0);
1345         else if (buf[0] == '\n')
1346                 {
1347                 if ((def == NULL) || (def[0] == '\0'))
1348                         return(1);
1349                 strcpy(buf,def);
1350                 strcat(buf,"\n");
1351                 }
1352         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1353
1354         i=strlen(buf);
1355         if (buf[i-1] != '\n')
1356                 {
1357                 BIO_printf(bio_err,"weird input :-(\n");
1358                 return(0);
1359                 }
1360         buf[--i]='\0';
1361 #ifdef CHARSET_EBCDIC
1362         ebcdic2ascii(buf, buf, i);
1363 #endif
1364         if(!req_check_len(i, min, max)) goto start;
1365
1366         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1367                                         (unsigned char *)buf, -1)) {
1368                 BIO_printf(bio_err, "Error adding attribute\n");
1369                 ERR_print_errors(bio_err);
1370                 goto err;
1371         }
1372
1373         return(1);
1374 err:
1375         return(0);
1376         }
1377
1378 #ifndef NO_RSA
1379 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1380         {
1381         char c='*';
1382
1383         if (p == 0) c='.';
1384         if (p == 1) c='+';
1385         if (p == 2) c='*';
1386         if (p == 3) c='\n';
1387         BIO_write((BIO *)arg,&c,1);
1388         (void)BIO_flush((BIO *)arg);
1389 #ifdef LINT
1390         p=n;
1391 #endif
1392         }
1393 #endif
1394
1395 static int req_check_len(int len, int min, int max)
1396         {
1397         if (len < min)
1398                 {
1399                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1400                 return(0);
1401                 }
1402         if ((max != 0) && (len > max))
1403                 {
1404                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1405                 return(0);
1406                 }
1407         return(1);
1408         }
1409
1410 /* Check if the end of a string matches 'end' */
1411 static int check_end(char *str, char *end)
1412 {
1413         int elen, slen;
1414         char *tmp;
1415         elen = strlen(end);
1416         slen = strlen(str);
1417         if(elen > slen) return 1;
1418         tmp = str + slen - elen;
1419         return strcmp(tmp, end);
1420 }