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 OPENSSL_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 "../crypto/cryptlib.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 #define UTF8_IN         "utf8"
  89
  90 #define DEFAULT_KEY_LENGTH      512
  91 #define MIN_KEY_LENGTH          384
  92
  93 #undef PROG
  94 #define PROG    req_main
  95
  96 /* -inform arg  - input format - default PEM (DER or PEM)
  97  * -outform arg - output format - default PEM
  98  * -in arg      - input file - default stdin
  99  * -out arg     - output file - default stdout
 100  * -verify      - check request signature
 101  * -noout       - don't print stuff out.
 102  * -text        - print out human readable text.
 103  * -nodes       - no des encryption
 104  * -config file - Load configuration file.
 105  * -key file    - make a request using key in file (or use it for verification).
 106  * -keyform arg - key file format.
 107  * -rand file(s) - load the file(s) into the PRNG.
 108  * -newkey      - make a key and a request.
 109  * -modulus     - print RSA modulus.
 110  * -pubkey      - output Public Key.
 111  * -x509        - output a self signed X509 structure instead.
 112  * -asn1-kludge - output new certificate request in a format that some CA's
 113  *                require.  This format is wrong
 114  */
 115
 116 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 117                 unsigned long chtype);
 118 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 119 static int prompt_info(X509_REQ *req,
 120                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 121                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 122                 unsigned long chtype);
 123 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 124                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 125                                 unsigned long chtype);
 126 static int add_attribute_object(X509_REQ *req, char *text,
 127                                 char *def, char *value, int nid, int n_min,
 128                                 int n_max, unsigned long chtype);
 129 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 130         int nid,int n_min,int n_max, unsigned long chtype);
 131 #ifndef OPENSSL_NO_RSA
 132 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 133 #endif
 134 static int req_check_len(int len,int n_min,int n_max);
 135 static int check_end(char *str, char *end);
 136 #ifndef MONOLITH
 137 static char *default_config_file=NULL;
 138 static CONF *config=NULL;
 139 #endif
 140 static CONF *req_conf=NULL;
 141 static int batch=0;
 142
 143 #define TYPE_RSA        1
 144 #define TYPE_DSA        2
 145 #define TYPE_DH         3
 146 #define TYPE_EC         4
 147
 148 int MAIN(int, char **);
 149
 150 int MAIN(int argc, char **argv)
 151         {
 152         ENGINE *e = NULL;
 153 #ifndef OPENSSL_NO_DSA
 154         DSA *dsa_params=NULL;
 155 #endif
 156 #ifndef OPENSSL_NO_ECDSA
 157         EC_KEY *ec_params = NULL;
 158 #endif
 159         unsigned long nmflag = 0, reqflag = 0;
 160         int ex=1,x509=0,days=30;
 161         X509 *x509ss=NULL;
 162         X509_REQ *req=NULL;
 163         EVP_PKEY *pkey=NULL;
 164         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 165         long newkey = -1;
 166         BIO *in=NULL,*out=NULL;
 167         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 168         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 169         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 170         char *engine=NULL;
 171         char *extensions = NULL;
 172         char *req_exts = NULL;
 173         const EVP_CIPHER *cipher=NULL;
 174         ASN1_INTEGER *serial = NULL;
 175         int modulus=0;
 176         char *inrand=NULL;
 177         char *passargin = NULL, *passargout = NULL;
 178         char *passin = NULL, *passout = NULL;
 179         char *p;
 180         char *subj = NULL;
 181         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 182         unsigned long chtype = MBSTRING_ASC;
 183 #ifndef MONOLITH
 184         char *to_free;
 185         long errline;
 186 #endif
 187
 188         req_conf = NULL;
 189 #ifndef OPENSSL_NO_DES
 190         cipher=EVP_des_ede3_cbc();
 191 #endif
 192         apps_startup();
 193
 194         if (bio_err == NULL)
 195                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 196                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 197
 198         infile=NULL;
 199         outfile=NULL;
 200         informat=FORMAT_PEM;
 201         outformat=FORMAT_PEM;
 202
 203         prog=argv[0];
 204         argc--;
 205         argv++;
 206         while (argc >= 1)
 207                 {
 208                 if      (strcmp(*argv,"-inform") == 0)
 209                         {
 210                         if (--argc < 1) goto bad;
 211                         informat=str2fmt(*(++argv));
 212                         }
 213                 else if (strcmp(*argv,"-outform") == 0)
 214                         {
 215                         if (--argc < 1) goto bad;
 216                         outformat=str2fmt(*(++argv));
 217                         }
 218                 else if (strcmp(*argv,"-engine") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         engine= *(++argv);
 222                         }
 223                 else if (strcmp(*argv,"-key") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         keyfile= *(++argv);
 227                         }
 228                 else if (strcmp(*argv,"-pubkey") == 0)
 229                         {
 230                         pubkey=1;
 231                         }
 232                 else if (strcmp(*argv,"-new") == 0)
 233                         {
 234                         newreq=1;
 235                         }
 236                 else if (strcmp(*argv,"-config") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                         template= *(++argv);
 240                         }
 241                 else if (strcmp(*argv,"-keyform") == 0)
 242                         {
 243                         if (--argc < 1) goto bad;
 244                         keyform=str2fmt(*(++argv));
 245                         }
 246                 else if (strcmp(*argv,"-in") == 0)
 247                         {
 248                         if (--argc < 1) goto bad;
 249                         infile= *(++argv);
 250                         }
 251                 else if (strcmp(*argv,"-out") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         outfile= *(++argv);
 255                         }
 256                 else if (strcmp(*argv,"-keyout") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         keyout= *(++argv);
 260                         }
 261                 else if (strcmp(*argv,"-passin") == 0)
 262                         {
 263                         if (--argc < 1) goto bad;
 264                         passargin= *(++argv);
 265                         }
 266                 else if (strcmp(*argv,"-passout") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         passargout= *(++argv);
 270                         }
 271                 else if (strcmp(*argv,"-rand") == 0)
 272                         {
 273                         if (--argc < 1) goto bad;
 274                         inrand= *(++argv);
 275                         }
 276                 else if (strcmp(*argv,"-newkey") == 0)
 277                         {
 278                         int is_numeric;
 279
 280                         if (--argc < 1) goto bad;
 281                         p= *(++argv);
 282                         is_numeric = p[0] >= '0' && p[0] <= '9';
 283                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 284                                 {
 285                                 pkey_type=TYPE_RSA;
 286                                 if(!is_numeric)
 287                                     p+=4;
 288                                 newkey= atoi(p);
 289                                 }
 290                         else
 291 #ifndef OPENSSL_NO_DSA
 292                                 if (strncmp("dsa:",p,4) == 0)
 293                                 {
 294                                 X509 *xtmp=NULL;
 295                                 EVP_PKEY *dtmp;
 296
 297                                 pkey_type=TYPE_DSA;
 298                                 p+=4;
 299                                 if ((in=BIO_new_file(p,"r")) == NULL)
 300                                         {
 301                                         perror(p);
 302                                         goto end;
 303                                         }
 304                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 305                                         {
 306                                         ERR_clear_error();
 307                                         (void)BIO_reset(in);
 308                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 309                                                 {
 310                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 311                                                 goto end;
 312                                                 }
 313
 314                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 315                                         if (dtmp->type == EVP_PKEY_DSA)
 316                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 317                                         EVP_PKEY_free(dtmp);
 318                                         X509_free(xtmp);
 319                                         if (dsa_params == NULL)
 320                                                 {
 321                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 322                                                 goto end;
 323                                                 }
 324                                         }
 325                                 BIO_free(in);
 326                                 in=NULL;
 327                                 newkey=BN_num_bits(dsa_params->p);
 328                                 }
 329                         else
 330 #endif
 331 #ifndef OPENSSL_NO_ECDSA
 332                                 if (strncmp("ec:",p,3) == 0)
 333                                 {
 334                                 X509 *xtmp=NULL;
 335                                 EVP_PKEY *dtmp;
 336
 337                                 pkey_type=TYPE_EC;
 338                                 p+=3;
 339                                 if ((in=BIO_new_file(p,"r")) == NULL)
 340                                         {
 341                                         perror(p);
 342                                         goto end;
 343                                         }
 344                                 if ((ec_params = EC_KEY_new()) == NULL)
 345                                         goto end;
 346                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 347                                         {
 348                                         if (ec_params)
 349                                                 EC_KEY_free(ec_params);
 350                                         ERR_clear_error();
 351                                         (void)BIO_reset(in);
 352                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 353                                                 {
 354                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 355                                                 goto end;
 356                                                 }
 357
 358                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 359                                                 goto end;
 360                                         if (dtmp->type == EVP_PKEY_EC)
 361                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 362                                         EVP_PKEY_free(dtmp);
 363                                         X509_free(xtmp);
 364                                         if (ec_params == NULL)
 365                                                 {
 366                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 367                                                 goto end;
 368                                                 }
 369                                         }
 370
 371                                 BIO_free(in);
 372                                 in=NULL;
 373
 374                                 newkey = EC_GROUP_get_degree(ec_params->group);
 375
 376                                 }
 377                         else
 378 #endif
 379 #ifndef OPENSSL_NO_DH
 380                                 if (strncmp("dh:",p,4) == 0)
 381                                 {
 382                                 pkey_type=TYPE_DH;
 383                                 p+=3;
 384                                 }
 385                         else
 386 #endif
 387                                 {
 388                                 goto bad;
 389                                 }
 390
 391                         newreq=1;
 392                         }
 393                 else if (strcmp(*argv,"-batch") == 0)
 394                         batch=1;
 395                 else if (strcmp(*argv,"-newhdr") == 0)
 396                         newhdr=1;
 397                 else if (strcmp(*argv,"-modulus") == 0)
 398                         modulus=1;
 399                 else if (strcmp(*argv,"-verify") == 0)
 400                         verify=1;
 401                 else if (strcmp(*argv,"-nodes") == 0)
 402                         nodes=1;
 403                 else if (strcmp(*argv,"-noout") == 0)
 404                         noout=1;
 405                 else if (strcmp(*argv,"-verbose") == 0)
 406                         verbose=1;
 407                 else if (strcmp(*argv,"-utf8") == 0)
 408                         chtype = MBSTRING_UTF8;
 409                 else if (strcmp(*argv,"-nameopt") == 0)
 410                         {
 411                         if (--argc < 1) goto bad;
 412                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 413                         }
 414                 else if (strcmp(*argv,"-reqopt") == 0)
 415                         {
 416                         if (--argc < 1) goto bad;
 417                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 418                         }
 419                 else if (strcmp(*argv,"-subject") == 0)
 420                         subject=1;
 421                 else if (strcmp(*argv,"-text") == 0)
 422                         text=1;
 423                 else if (strcmp(*argv,"-x509") == 0)
 424                         x509=1;
 425                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 426                         kludge=1;
 427                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 428                         kludge=0;
 429                 else if (strcmp(*argv,"-subj") == 0)
 430                         {
 431                         if (--argc < 1) goto bad;
 432                         subj= *(++argv);
 433                         }
 434                 else if (strcmp(*argv,"-days") == 0)
 435                         {
 436                         if (--argc < 1) goto bad;
 437                         days= atoi(*(++argv));
 438                         if (days == 0) days=30;
 439                         }
 440                 else if (strcmp(*argv,"-set_serial") == 0)
 441                         {
 442                         if (--argc < 1) goto bad;
 443                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 444                         if (!serial) goto bad;
 445                         }
 446                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 447                         {
 448                         /* ok */
 449                         digest=md_alg;
 450                         }
 451                 else if (strcmp(*argv,"-extensions") == 0)
 452                         {
 453                         if (--argc < 1) goto bad;
 454                         extensions = *(++argv);
 455                         }
 456                 else if (strcmp(*argv,"-reqexts") == 0)
 457                         {
 458                         if (--argc < 1) goto bad;
 459                         req_exts = *(++argv);
 460                         }
 461                 else
 462                         {
 463                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 464                         badops=1;
 465                         break;
 466                         }
 467                 argc--;
 468                 argv++;
 469                 }
 470
 471         if (badops)
 472                 {
 473 bad:
 474                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 475                 BIO_printf(bio_err,"where options  are\n");
 476                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 477                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 478                 BIO_printf(bio_err," -in arg        input file\n");
 479                 BIO_printf(bio_err," -out arg       output file\n");
 480                 BIO_printf(bio_err," -text          text form of request\n");
 481                 BIO_printf(bio_err," -pubkey        output public key\n");
 482                 BIO_printf(bio_err," -noout         do not output REQ\n");
 483                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 484                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 485                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 486                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 487                 BIO_printf(bio_err," -subject       output the request's subject\n");
 488                 BIO_printf(bio_err," -passin        private key password source\n");
 489                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 490                 BIO_printf(bio_err," -keyform arg   key file format\n");
 491                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 492                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 493                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 494                 BIO_printf(bio_err,"                the random number generator\n");
 495                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 496                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 497 #ifndef OPENSSL_NO_ECDSA
 498                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 499 #endif
 500                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 501                 BIO_printf(bio_err," -config file   request template file.\n");
 502                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 503                 BIO_printf(bio_err," -new           new request.\n");
 504                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 505                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 506                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 507                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 508                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 509                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 510                 BIO_printf(bio_err,"                have been reported as requiring\n");
 511                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 512                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 513                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 514                 BIO_printf(bio_err," -nameopt arg   - various certificate name options\n");
 515                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 516                 goto end;
 517                 }
 518
 519         ERR_load_crypto_strings();
 520         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 521                 BIO_printf(bio_err, "Error getting passwords\n");
 522                 goto end;
 523         }
 524
 525 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 526         /* Lets load up our environment a little */
 527         p=getenv("OPENSSL_CONF");
 528         if (p == NULL)
 529                 p=getenv("SSLEAY_CONF");
 530         if (p == NULL)
 531                 p=to_free=make_config_name();
 532         default_config_file=p;
 533         config=NCONF_new(NULL);
 534         i=NCONF_load(config, p, &errline);
 535 #endif
 536
 537         if (template != NULL)
 538                 {
 539                 long errline = -1;
 540
 541                 if( verbose )
 542                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 543                 req_conf=NCONF_new(NULL);
 544                 i=NCONF_load(req_conf,template,&errline);
 545                 if (i == 0)
 546                         {
 547                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 548                         goto end;
 549                         }
 550                 }
 551         else
 552                 {
 553                 req_conf=config;
 554                 if( verbose )
 555                         BIO_printf(bio_err,"Using configuration from %s\n",
 556                         default_config_file);
 557                 if (req_conf == NULL)
 558                         {
 559                         BIO_printf(bio_err,"Unable to load config info\n");
 560                         }
 561                 }
 562
 563         if (req_conf != NULL)
 564                 {
 565                 if (!load_config(bio_err, req_conf))
 566                         goto end;
 567                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 568                 if (p == NULL)
 569                         ERR_clear_error();
 570                 if (p != NULL)
 571                         {
 572                         BIO *oid_bio;
 573
 574                         oid_bio=BIO_new_file(p,"r");
 575                         if (oid_bio == NULL)
 576                                 {
 577                                 /*
 578                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 579                                 ERR_print_errors(bio_err);
 580                                 */
 581                                 }
 582                         else
 583                                 {
 584                                 OBJ_create_objects(oid_bio);
 585                                 BIO_free(oid_bio);
 586                                 }
 587                         }
 588                 }
 589         if(!add_oid_section(bio_err, req_conf)) goto end;
 590
 591         if (md_alg == NULL)
 592                 {
 593                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 594                 if (p == NULL)
 595                         ERR_clear_error();
 596                 if (p != NULL)
 597                         {
 598                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 599                                 digest=md_alg;
 600                         }
 601                 }
 602
 603         if (!extensions)
 604                 {
 605                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 606                 if (!extensions)
 607                         ERR_clear_error();
 608                 }
 609         if (extensions) {
 610                 /* Check syntax of file */
 611                 X509V3_CTX ctx;
 612                 X509V3_set_ctx_test(&ctx);
 613                 X509V3_set_nconf(&ctx, req_conf);
 614                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 615                         BIO_printf(bio_err,
 616                          "Error Loading extension section %s\n", extensions);
 617                         goto end;
 618                 }
 619         }
 620
 621         if(!passin)
 622                 {
 623                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 624                 if (!passin)
 625                         ERR_clear_error();
 626                 }
 627
 628         if(!passout)
 629                 {
 630                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 631                 if (!passout)
 632                         ERR_clear_error();
 633                 }
 634
 635         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 636         if (!p)
 637                 ERR_clear_error();
 638
 639         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 640                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 641                 goto end;
 642         }
 643
 644         if (chtype != MBSTRING_UTF8)
 645                 {
 646                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 647                 if (!p)
 648                         ERR_clear_error();
 649                 else if (!strcmp(p, "yes"))
 650                         chtype = MBSTRING_UTF8;
 651                 }
 652
 653
 654         if(!req_exts)
 655                 {
 656                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 657                 if (!req_exts)
 658                         ERR_clear_error();
 659                 }
 660         if(req_exts) {
 661                 /* Check syntax of file */
 662                 X509V3_CTX ctx;
 663                 X509V3_set_ctx_test(&ctx);
 664                 X509V3_set_nconf(&ctx, req_conf);
 665                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 666                         BIO_printf(bio_err,
 667                          "Error Loading request extension section %s\n",
 668                                                                 req_exts);
 669                         goto end;
 670                 }
 671         }
 672
 673         in=BIO_new(BIO_s_file());
 674         out=BIO_new(BIO_s_file());
 675         if ((in == NULL) || (out == NULL))
 676                 goto end;
 677
 678         e = setup_engine(bio_err, engine, 0);
 679
 680         if (keyfile != NULL)
 681                 {
 682                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 683                         "Private Key");
 684                 if (!pkey)
 685                         {
 686                         /* load_key() has already printed an appropriate
 687                            message */
 688                         goto end;
 689                         }
 690                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 691                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 692                         {
 693                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 694                         if (randfile == NULL)
 695                                 ERR_clear_error();
 696                         app_RAND_load_file(randfile, bio_err, 0);
 697                         }
 698                 }
 699
 700         if (newreq && (pkey == NULL))
 701                 {
 702                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 703                 if (randfile == NULL)
 704                         ERR_clear_error();
 705                 app_RAND_load_file(randfile, bio_err, 0);
 706                 if (inrand)
 707                         app_RAND_load_files(inrand);
 708
 709                 if (newkey <= 0)
 710                         {
 711                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 712                                 newkey=DEFAULT_KEY_LENGTH;
 713                         }
 714
 715                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 716                         {
 717                         BIO_printf(bio_err,"private key length is too short,\n");
 718                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 719                         goto end;
 720                         }
 721                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 722                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 723                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 724
 725                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 726
 727 #ifndef OPENSSL_NO_RSA
 728                 if (pkey_type == TYPE_RSA)
 729                         {
 730                         if (!EVP_PKEY_assign_RSA(pkey,
 731                                 RSA_generate_key(newkey,0x10001,
 732                                         req_cb,bio_err)))
 733                                 goto end;
 734                         }
 735                 else
 736 #endif
 737 #ifndef OPENSSL_NO_DSA
 738                         if (pkey_type == TYPE_DSA)
 739                         {
 740                         if (!DSA_generate_key(dsa_params)) goto end;
 741                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 742                         dsa_params=NULL;
 743                         }
 744 #endif
 745 #ifndef OPENSSL_NO_ECDSA
 746                         if (pkey_type == TYPE_EC)
 747                         {
 748                         if (!EC_KEY_generate_key(ec_params)) goto end;
 749                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 750                                 goto end;
 751                         ec_params = NULL;
 752                         }
 753 #endif
 754
 755                 app_RAND_write_file(randfile, bio_err);
 756
 757                 if (pkey == NULL) goto end;
 758
 759                 if (keyout == NULL)
 760                         {
 761                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 762                         if (keyout == NULL)
 763                                 ERR_clear_error();
 764                         }
 765
 766                 if (keyout == NULL)
 767                         {
 768                         BIO_printf(bio_err,"writing new private key to stdout\n");
 769                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 770 #ifdef OPENSSL_SYS_VMS
 771                         {
 772                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 773                         out = BIO_push(tmpbio, out);
 774                         }
 775 #endif
 776                         }
 777                 else
 778                         {
 779                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 780                         if (BIO_write_filename(out,keyout) <= 0)
 781                                 {
 782                                 perror(keyout);
 783                                 goto end;
 784                                 }
 785                         }
 786
 787                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 788                 if (p == NULL)
 789                         {
 790                         ERR_clear_error();
 791                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 792                         if (p == NULL)
 793                                 ERR_clear_error();
 794                         }
 795                 if ((p != NULL) && (strcmp(p,"no") == 0))
 796                         cipher=NULL;
 797                 if (nodes) cipher=NULL;
 798
 799                 i=0;
 800 loop:
 801                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 802                         NULL,0,NULL,passout))
 803                         {
 804                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 805                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 806                                 {
 807                                 ERR_clear_error();
 808                                 i++;
 809                                 goto loop;
 810                                 }
 811                         goto end;
 812                         }
 813                 BIO_printf(bio_err,"-----\n");
 814                 }
 815
 816         if (!newreq)
 817                 {
 818                 /* Since we are using a pre-existing certificate
 819                  * request, the kludge 'format' info should not be
 820                  * changed. */
 821                 kludge= -1;
 822                 if (infile == NULL)
 823                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 824                 else
 825                         {
 826                         if (BIO_read_filename(in,infile) <= 0)
 827                                 {
 828                                 perror(infile);
 829                                 goto end;
 830                                 }
 831                         }
 832
 833                 if      (informat == FORMAT_ASN1)
 834                         req=d2i_X509_REQ_bio(in,NULL);
 835                 else if (informat == FORMAT_PEM)
 836                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 837                 else
 838                         {
 839                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 840                         goto end;
 841                         }
 842                 if (req == NULL)
 843                         {
 844                         BIO_printf(bio_err,"unable to load X509 request\n");
 845                         goto end;
 846                         }
 847                 }
 848
 849         if (newreq || x509)
 850                 {
 851                 if (pkey == NULL)
 852                         {
 853                         BIO_printf(bio_err,"you need to specify a private key\n");
 854                         goto end;
 855                         }
 856 #ifndef OPENSSL_NO_DSA
 857                 if (pkey->type == EVP_PKEY_DSA)
 858                         digest=EVP_dss1();
 859 #endif
 860 #ifndef OPENSSL_NO_ECDSA
 861                 if (pkey->type == EVP_PKEY_EC)
 862                         digest=EVP_ecdsa();
 863 #endif
 864                 if (req == NULL)
 865                         {
 866                         req=X509_REQ_new();
 867                         if (req == NULL)
 868                                 {
 869                                 goto end;
 870                                 }
 871
 872                         i=make_REQ(req,pkey,subj,!x509, chtype);
 873                         subj=NULL; /* done processing '-subj' option */
 874                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 875                                 {
 876                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 877                                 req->req_info->attributes = NULL;
 878                                 }
 879                         if (!i)
 880                                 {
 881                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 882                                 goto end;
 883                                 }
 884                         }
 885                 if (x509)
 886                         {
 887                         EVP_PKEY *tmppkey;
 888                         X509V3_CTX ext_ctx;
 889                         if ((x509ss=X509_new()) == NULL) goto end;
 890
 891                         /* Set version to V3 */
 892                         if(!X509_set_version(x509ss, 2)) goto end;
 893                         if (serial)
 894                                 {
 895                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 896                                 }
 897                         else
 898                                 {
 899                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 900                                 }
 901
 902                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 903                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 904                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 905                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 906                         tmppkey = X509_REQ_get_pubkey(req);
 907                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 908                         EVP_PKEY_free(tmppkey);
 909
 910                         /* Set up V3 context struct */
 911
 912                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 913                         X509V3_set_nconf(&ext_ctx, req_conf);
 914
 915                         /* Add extensions */
 916                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 917                                         &ext_ctx, extensions, x509ss))
 918                                 {
 919                                 BIO_printf(bio_err,
 920                                         "Error Loading extension section %s\n",
 921                                         extensions);
 922                                 goto end;
 923                                 }
 924
 925                         if (!(i=X509_sign(x509ss,pkey,digest)))
 926                                 goto end;
 927                         }
 928                 else
 929                         {
 930                         X509V3_CTX ext_ctx;
 931
 932                         /* Set up V3 context struct */
 933
 934                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 935                         X509V3_set_nconf(&ext_ctx, req_conf);
 936
 937                         /* Add extensions */
 938                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 939                                         &ext_ctx, req_exts, req))
 940                                 {
 941                                 BIO_printf(bio_err,
 942                                         "Error Loading extension section %s\n",
 943                                         req_exts);
 944                                 goto end;
 945                                 }
 946                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 947                                 goto end;
 948                         }
 949                 }
 950
 951         if (subj && x509)
 952                 {
 953                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 954                 goto end;
 955                 }
 956
 957         if (subj && !x509)
 958                 {
 959                 if (verbose)
 960                         {
 961                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 962                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 963                         }
 964
 965                 if (build_subject(req, subj, chtype) == 0)
 966                         {
 967                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 968                         ex=1;
 969                         goto end;
 970                         }
 971
 972                 req->req_info->enc.modified = 1;
 973
 974                 if (verbose)
 975                         {
 976                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 977                         }
 978                 }
 979
 980         if (verify && !x509)
 981                 {
 982                 int tmp=0;
 983
 984                 if (pkey == NULL)
 985                         {
 986                         pkey=X509_REQ_get_pubkey(req);
 987                         tmp=1;
 988                         if (pkey == NULL) goto end;
 989                         }
 990
 991                 i=X509_REQ_verify(req,pkey);
 992                 if (tmp) {
 993                         EVP_PKEY_free(pkey);
 994                         pkey=NULL;
 995                 }
 996
 997                 if (i < 0)
 998                         {
 999                         goto end;
1000                         }
1001                 else if (i == 0)
1002                         {
1003                         BIO_printf(bio_err,"verify failure\n");
1004                         ERR_print_errors(bio_err);
1005                         }
1006                 else /* if (i > 0) */
1007                         BIO_printf(bio_err,"verify OK\n");
1008                 }
1009
1010         if (noout && !text && !modulus && !subject && !pubkey)
1011                 {
1012                 ex=0;
1013                 goto end;
1014                 }
1015
1016         if (outfile == NULL)
1017                 {
1018                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1019 #ifdef OPENSSL_SYS_VMS
1020                 {
1021                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1022                 out = BIO_push(tmpbio, out);
1023                 }
1024 #endif
1025                 }
1026         else
1027                 {
1028                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1029                         i=(int)BIO_append_filename(out,outfile);
1030                 else
1031                         i=(int)BIO_write_filename(out,outfile);
1032                 if (!i)
1033                         {
1034                         perror(outfile);
1035                         goto end;
1036                         }
1037                 }
1038
1039         if (pubkey)
1040                 {
1041                 EVP_PKEY *tpubkey;
1042                 tpubkey=X509_REQ_get_pubkey(req);
1043                 if (tpubkey == NULL)
1044                         {
1045                         BIO_printf(bio_err,"Error getting public key\n");
1046                         ERR_print_errors(bio_err);
1047                         goto end;
1048                         }
1049                 PEM_write_bio_PUBKEY(out, tpubkey);
1050                 EVP_PKEY_free(tpubkey);
1051                 }
1052
1053         if (text)
1054                 {
1055                 if (x509)
1056                         X509_print_ex(out, x509ss, nmflag, reqflag);
1057                 else
1058                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1059                 }
1060
1061         if(subject)
1062                 {
1063                 if(x509)
1064                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1065                 else
1066                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1067                 }
1068
1069         if (modulus)
1070                 {
1071                 EVP_PKEY *tpubkey;
1072
1073                 if (x509)
1074                         tpubkey=X509_get_pubkey(x509ss);
1075                 else
1076                         tpubkey=X509_REQ_get_pubkey(req);
1077                 if (tpubkey == NULL)
1078                         {
1079                         fprintf(stdout,"Modulus=unavailable\n");
1080                         goto end;
1081                         }
1082                 fprintf(stdout,"Modulus=");
1083 #ifndef OPENSSL_NO_RSA
1084                 if (tpubkey->type == EVP_PKEY_RSA)
1085                         BN_print(out,tpubkey->pkey.rsa->n);
1086                 else
1087 #endif
1088                         fprintf(stdout,"Wrong Algorithm type");
1089                 EVP_PKEY_free(tpubkey);
1090                 fprintf(stdout,"\n");
1091                 }
1092
1093         if (!noout && !x509)
1094                 {
1095                 if      (outformat == FORMAT_ASN1)
1096                         i=i2d_X509_REQ_bio(out,req);
1097                 else if (outformat == FORMAT_PEM) {
1098                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1099                         else i=PEM_write_bio_X509_REQ(out,req);
1100                 } else {
1101                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1102                         goto end;
1103                         }
1104                 if (!i)
1105                         {
1106                         BIO_printf(bio_err,"unable to write X509 request\n");
1107                         goto end;
1108                         }
1109                 }
1110         if (!noout && x509 && (x509ss != NULL))
1111                 {
1112                 if      (outformat == FORMAT_ASN1)
1113                         i=i2d_X509_bio(out,x509ss);
1114                 else if (outformat == FORMAT_PEM)
1115                         i=PEM_write_bio_X509(out,x509ss);
1116                 else    {
1117                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1118                         goto end;
1119                         }
1120                 if (!i)
1121                         {
1122                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1123                         goto end;
1124                         }
1125                 }
1126         ex=0;
1127 end:
1128 #ifndef MONOLITH
1129         if(to_free)
1130                 OPENSSL_free(to_free);
1131 #endif
1132         if (ex)
1133                 {
1134                 ERR_print_errors(bio_err);
1135                 }
1136         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1137         BIO_free(in);
1138         BIO_free_all(out);
1139         EVP_PKEY_free(pkey);
1140         X509_REQ_free(req);
1141         X509_free(x509ss);
1142         ASN1_INTEGER_free(serial);
1143         if(passargin && passin) OPENSSL_free(passin);
1144         if(passargout && passout) OPENSSL_free(passout);
1145         OBJ_cleanup();
1146 #ifndef OPENSSL_NO_DSA
1147         if (dsa_params != NULL) DSA_free(dsa_params);
1148 #endif
1149 #ifndef OPENSSL_NO_ECDSA
1150         if (ec_params != NULL) EC_KEY_free(ec_params);
1151 #endif
1152         apps_shutdown();
1153         EXIT(ex);
1154         }
1155
1156 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1157                         unsigned long chtype)
1158         {
1159         int ret=0,i;
1160         char no_prompt = 0;
1161         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1162         char *tmp, *dn_sect,*attr_sect;
1163
1164         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1165         if (tmp == NULL)
1166                 ERR_clear_error();
1167         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1168
1169         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1170         if (dn_sect == NULL)
1171                 {
1172                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1173                         DISTINGUISHED_NAME);
1174                 goto err;
1175                 }
1176         dn_sk=NCONF_get_section(req_conf,dn_sect);
1177         if (dn_sk == NULL)
1178                 {
1179                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1180                 goto err;
1181                 }
1182
1183         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1184         if (attr_sect == NULL)
1185                 {
1186                 ERR_clear_error();
1187                 attr_sk=NULL;
1188                 }
1189         else
1190                 {
1191                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1192                 if (attr_sk == NULL)
1193                         {
1194                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1195                         goto err;
1196                         }
1197                 }
1198
1199         /* setup version number */
1200         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1201
1202         if (no_prompt)
1203                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1204         else
1205                 {
1206                 if (subj)
1207                         i = build_subject(req, subj, chtype);
1208                 else
1209                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1210                 }
1211         if(!i) goto err;
1212
1213         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1214
1215         ret=1;
1216 err:
1217         return(ret);
1218         }
1219
1220 /*
1221  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1222  * where characters may be escaped by \
1223  */
1224 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1225         {
1226         X509_NAME *n;
1227
1228         if (!(n = do_subject(subject, chtype)))
1229                 return 0;
1230
1231         if (!X509_REQ_set_subject_name(req, n))
1232                 {
1233                 X509_NAME_free(n);
1234                 return 0;
1235                 }
1236         X509_NAME_free(n);
1237         return 1;
1238 }
1239
1240
1241 static int prompt_info(X509_REQ *req,
1242                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1243                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1244                 unsigned long chtype)
1245         {
1246         int i;
1247         char *p,*q;
1248         char buf[100];
1249         int nid;
1250         long n_min,n_max;
1251         char *type,*def,*value;
1252         CONF_VALUE *v;
1253         X509_NAME *subj;
1254         subj = X509_REQ_get_subject_name(req);
1255
1256         if(!batch)
1257                 {
1258                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1259                 BIO_printf(bio_err,"into your certificate request.\n");
1260                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1261                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1262                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1263                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1264                 BIO_printf(bio_err,"-----\n");
1265                 }
1266
1267
1268         if (sk_CONF_VALUE_num(dn_sk))
1269                 {
1270                 i= -1;
1271 start:          for (;;)
1272                         {
1273                         i++;
1274                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1275
1276                         v=sk_CONF_VALUE_value(dn_sk,i);
1277                         p=q=NULL;
1278                         type=v->name;
1279                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1280                                 !check_end(type,"_default") ||
1281                                          !check_end(type,"_value")) continue;
1282                         /* Skip past any leading X. X: X, etc to allow for
1283                          * multiple instances
1284                          */
1285                         for(p = v->name; *p ; p++)
1286                                 if ((*p == ':') || (*p == ',') ||
1287                                                          (*p == '.')) {
1288                                         p++;
1289                                         if(*p) type = p;
1290                                         break;
1291                                 }
1292                         /* If OBJ not recognised ignore it */
1293                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1294
1295                         if(strlen(v->name) > sizeof buf-9)
1296                            {
1297                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1298                            return 0;
1299                            }
1300
1301                         sprintf(buf,"%s_default",v->name);
1302                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1303                                 {
1304                                 ERR_clear_error();
1305                                 def="";
1306                                 }
1307                         sprintf(buf,"%s_value",v->name);
1308                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1309                                 {
1310                                 ERR_clear_error();
1311                                 value=NULL;
1312                                 }
1313
1314                         sprintf(buf,"%s_min",v->name);
1315                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1316                                 n_min = -1;
1317
1318                         sprintf(buf,"%s_max",v->name);
1319                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1320                                 n_max = -1;
1321
1322                         if (!add_DN_object(subj,v->value,def,value,nid,
1323                                 n_min,n_max, chtype))
1324                                 return 0;
1325                         }
1326                 if (X509_NAME_entry_count(subj) == 0)
1327                         {
1328                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1329                         return 0;
1330                         }
1331
1332                 if (attribs)
1333                         {
1334                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1335                                 {
1336                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1337                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1338                                 }
1339
1340                         i= -1;
1341 start2:                 for (;;)
1342                                 {
1343                                 i++;
1344                                 if ((attr_sk == NULL) ||
1345                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1346                                         break;
1347
1348                                 v=sk_CONF_VALUE_value(attr_sk,i);
1349                                 type=v->name;
1350                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1351                                         goto start2;
1352
1353                                 if(strlen(v->name) > sizeof buf-9)
1354                                    {
1355                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1356                                    return 0;
1357                                    }
1358
1359                                 sprintf(buf,"%s_default",type);
1360                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1361                                         == NULL)
1362                                         {
1363                                         ERR_clear_error();
1364                                         def="";
1365                                         }
1366
1367
1368                                 sprintf(buf,"%s_value",type);
1369                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1370                                         == NULL)
1371                                         {
1372                                         ERR_clear_error();
1373                                         value=NULL;
1374                                         }
1375
1376                                 sprintf(buf,"%s_min",type);
1377                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1378                                         n_min = -1;
1379
1380                                 sprintf(buf,"%s_max",type);
1381                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1382                                         n_max = -1;
1383
1384                                 if (!add_attribute_object(req,
1385                                         v->value,def,value,nid,n_min,n_max, chtype))
1386                                         return 0;
1387                                 }
1388                         }
1389                 }
1390         else
1391                 {
1392                 BIO_printf(bio_err,"No template, please set one up.\n");
1393                 return 0;
1394                 }
1395
1396         return 1;
1397
1398         }
1399
1400 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1401                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1402         {
1403         int i;
1404         char *p,*q;
1405         char *type;
1406         CONF_VALUE *v;
1407         X509_NAME *subj;
1408
1409         subj = X509_REQ_get_subject_name(req);
1410
1411         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1412                 {
1413                 v=sk_CONF_VALUE_value(dn_sk,i);
1414                 p=q=NULL;
1415                 type=v->name;
1416                 /* Skip past any leading X. X: X, etc to allow for
1417                  * multiple instances
1418                  */
1419                 for(p = v->name; *p ; p++)
1420 #ifndef CHARSET_EBCDIC
1421                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1422 #else
1423                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1424 #endif
1425                                 p++;
1426                                 if(*p) type = p;
1427                                 break;
1428                         }
1429                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1430                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1431
1432                 }
1433
1434                 if (!X509_NAME_entry_count(subj))
1435                         {
1436                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1437                         return 0;
1438                         }
1439                 if (attribs)
1440                         {
1441                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1442                                 {
1443                                 v=sk_CONF_VALUE_value(attr_sk,i);
1444                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1445                                         (unsigned char *)v->value, -1)) return 0;
1446                                 }
1447                         }
1448         return 1;
1449         }
1450
1451
1452 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1453              int nid, int n_min, int n_max, unsigned long chtype)
1454         {
1455         int i,ret=0;
1456         MS_STATIC char buf[1024];
1457 start:
1458         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1459         (void)BIO_flush(bio_err);
1460         if(value != NULL)
1461                 {
1462                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1463                 strcpy(buf,value);
1464                 strcat(buf,"\n");
1465                 BIO_printf(bio_err,"%s\n",value);
1466                 }
1467         else
1468                 {
1469                 buf[0]='\0';
1470                 if (!batch)
1471                         {
1472                         fgets(buf,sizeof buf,stdin);
1473                         }
1474                 else
1475                         {
1476                         buf[0] = '\n';
1477                         buf[1] = '\0';
1478                         }
1479                 }
1480
1481         if (buf[0] == '\0') return(0);
1482         else if (buf[0] == '\n')
1483                 {
1484                 if ((def == NULL) || (def[0] == '\0'))
1485                         return(1);
1486                 strcpy(buf,def);
1487                 strcat(buf,"\n");
1488                 }
1489         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1490
1491         i=strlen(buf);
1492         if (buf[i-1] != '\n')
1493                 {
1494                 BIO_printf(bio_err,"weird input :-(\n");
1495                 return(0);
1496                 }
1497         buf[--i]='\0';
1498 #ifdef CHARSET_EBCDIC
1499         ebcdic2ascii(buf, buf, i);
1500 #endif
1501         if(!req_check_len(i, n_min, n_max)) goto start;
1502         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1503                                 (unsigned char *) buf, -1,-1,0)) goto err;
1504         ret=1;
1505 err:
1506         return(ret);
1507         }
1508
1509 static int add_attribute_object(X509_REQ *req, char *text,
1510                                 char *def, char *value, int nid, int n_min,
1511                                 int n_max, unsigned long chtype)
1512         {
1513         int i;
1514         static char buf[1024];
1515
1516 start:
1517         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1518         (void)BIO_flush(bio_err);
1519         if (value != NULL)
1520                 {
1521                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1522                 strcpy(buf,value);
1523                 strcat(buf,"\n");
1524                 BIO_printf(bio_err,"%s\n",value);
1525                 }
1526         else
1527                 {
1528                 buf[0]='\0';
1529                 if (!batch)
1530                         {
1531                         fgets(buf,sizeof buf,stdin);
1532                         }
1533                 else
1534                         {
1535                         buf[0] = '\n';
1536                         buf[1] = '\0';
1537                         }
1538                 }
1539
1540         if (buf[0] == '\0') return(0);
1541         else if (buf[0] == '\n')
1542                 {
1543                 if ((def == NULL) || (def[0] == '\0'))
1544                         return(1);
1545                 strcpy(buf,def);
1546                 strcat(buf,"\n");
1547                 }
1548         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1549
1550         i=strlen(buf);
1551         if (buf[i-1] != '\n')
1552                 {
1553                 BIO_printf(bio_err,"weird input :-(\n");
1554                 return(0);
1555                 }
1556         buf[--i]='\0';
1557 #ifdef CHARSET_EBCDIC
1558         ebcdic2ascii(buf, buf, i);
1559 #endif
1560         if(!req_check_len(i, n_min, n_max)) goto start;
1561
1562         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1563                                         (unsigned char *)buf, -1)) {
1564                 BIO_printf(bio_err, "Error adding attribute\n");
1565                 ERR_print_errors(bio_err);
1566                 goto err;
1567         }
1568
1569         return(1);
1570 err:
1571         return(0);
1572         }
1573
1574 #ifndef OPENSSL_NO_RSA
1575 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1576         {
1577         char c='*';
1578
1579         if (p == 0) c='.';
1580         if (p == 1) c='+';
1581         if (p == 2) c='*';
1582         if (p == 3) c='\n';
1583         BIO_write((BIO *)arg,&c,1);
1584         (void)BIO_flush((BIO *)arg);
1585 #ifdef LINT
1586         p=n;
1587 #endif
1588         }
1589 #endif
1590
1591 static int req_check_len(int len, int n_min, int n_max)
1592         {
1593         if ((n_min > 0) && (len < n_min))
1594                 {
1595                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1596                 return(0);
1597                 }
1598         if ((n_max >= 0) && (len > n_max))
1599                 {
1600                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1601                 return(0);
1602                 }
1603         return(1);
1604         }
1605
1606 /* Check if the end of a string matches 'end' */
1607 static int check_end(char *str, char *end)
1608 {
1609         int elen, slen;
1610         char *tmp;
1611         elen = strlen(end);
1612         slen = strlen(str);
1613         if(elen > slen) return 1;
1614         tmp = str + slen - elen;
1615         return strcmp(tmp, end);
1616 }