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
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define PROMPT          "prompt"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85 #define REQ_EXTENSIONS  "req_extensions"
  86 #define STRING_MASK     "string_mask"
  87 #define UTF8_IN         "utf8"
  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  * -pubkey      - output Public Key.
 110  * -x509        - output a self signed X509 structure instead.
 111  * -asn1-kludge - output new certificate request in a format that some CA's
 112  *                require.  This format is wrong
 113  */
 114
 115 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 116                 unsigned long chtype);
 117 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 118 static int prompt_info(X509_REQ *req,
 119                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 120                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 121                 unsigned long chtype);
 122 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 123                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 124                                 unsigned long chtype);
 125 static int add_attribute_object(X509_REQ *req, char *text,
 126                                 char *def, char *value, int nid, int n_min,
 127                                 int n_max, unsigned long chtype);
 128 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 129         int nid,int n_min,int n_max, unsigned long chtype);
 130 #ifndef OPENSSL_NO_RSA
 131 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 132 #endif
 133 static int req_check_len(int len,int n_min,int n_max);
 134 static int check_end(char *str, char *end);
 135 #ifndef MONOLITH
 136 static char *default_config_file=NULL;
 137 static CONF *config=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145
 146 int MAIN(int, char **);
 147
 148 int MAIN(int argc, char **argv)
 149         {
 150         ENGINE *e = NULL;
 151 #ifndef OPENSSL_NO_DSA
 152         DSA *dsa_params=NULL;
 153 #endif
 154         unsigned long nmflag = 0;
 155         int ex=1,x509=0,days=30;
 156         X509 *x509ss=NULL;
 157         X509_REQ *req=NULL;
 158         EVP_PKEY *pkey=NULL;
 159         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 160         long newkey = -1;
 161         BIO *in=NULL,*out=NULL;
 162         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 163         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 164         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 165         char *engine=NULL;
 166         char *extensions = NULL;
 167         char *req_exts = NULL;
 168         const EVP_CIPHER *cipher=NULL;
 169         ASN1_INTEGER *serial = NULL;
 170         int modulus=0;
 171         char *inrand=NULL;
 172         char *passargin = NULL, *passargout = NULL;
 173         char *passin = NULL, *passout = NULL;
 174         char *p;
 175         char *subj = NULL;
 176         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 177         unsigned long chtype = MBSTRING_ASC;
 178 #ifndef MONOLITH
 179         MS_STATIC char config_name[256];
 180         long errline;
 181 #endif
 182
 183         req_conf = NULL;
 184 #ifndef OPENSSL_NO_DES
 185         cipher=EVP_des_ede3_cbc();
 186 #endif
 187         apps_startup();
 188
 189         if (bio_err == NULL)
 190                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 191                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 192
 193         infile=NULL;
 194         outfile=NULL;
 195         informat=FORMAT_PEM;
 196         outformat=FORMAT_PEM;
 197
 198         prog=argv[0];
 199         argc--;
 200         argv++;
 201         while (argc >= 1)
 202                 {
 203                 if      (strcmp(*argv,"-inform") == 0)
 204                         {
 205                         if (--argc < 1) goto bad;
 206                         informat=str2fmt(*(++argv));
 207                         }
 208                 else if (strcmp(*argv,"-outform") == 0)
 209                         {
 210                         if (--argc < 1) goto bad;
 211                         outformat=str2fmt(*(++argv));
 212                         }
 213                 else if (strcmp(*argv,"-engine") == 0)
 214                         {
 215                         if (--argc < 1) goto bad;
 216                         engine= *(++argv);
 217                         }
 218                 else if (strcmp(*argv,"-key") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         keyfile= *(++argv);
 222                         }
 223                 else if (strcmp(*argv,"-pubkey") == 0)
 224                         {
 225                         pubkey=1;
 226                         }
 227                 else if (strcmp(*argv,"-new") == 0)
 228                         {
 229                         newreq=1;
 230                         }
 231                 else if (strcmp(*argv,"-config") == 0)
 232                         {
 233                         if (--argc < 1) goto bad;
 234                         template= *(++argv);
 235                         }
 236                 else if (strcmp(*argv,"-keyform") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                         keyform=str2fmt(*(++argv));
 240                         }
 241                 else if (strcmp(*argv,"-in") == 0)
 242                         {
 243                         if (--argc < 1) goto bad;
 244                         infile= *(++argv);
 245                         }
 246                 else if (strcmp(*argv,"-out") == 0)
 247                         {
 248                         if (--argc < 1) goto bad;
 249                         outfile= *(++argv);
 250                         }
 251                 else if (strcmp(*argv,"-keyout") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         keyout= *(++argv);
 255                         }
 256                 else if (strcmp(*argv,"-passin") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         passargin= *(++argv);
 260                         }
 261                 else if (strcmp(*argv,"-passout") == 0)
 262                         {
 263                         if (--argc < 1) goto bad;
 264                         passargout= *(++argv);
 265                         }
 266                 else if (strcmp(*argv,"-rand") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         inrand= *(++argv);
 270                         }
 271                 else if (strcmp(*argv,"-newkey") == 0)
 272                         {
 273                         int is_numeric;
 274
 275                         if (--argc < 1) goto bad;
 276                         p= *(++argv);
 277                         is_numeric = p[0] >= '0' && p[0] <= '9';
 278                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 279                                 {
 280                                 pkey_type=TYPE_RSA;
 281                                 if(!is_numeric)
 282                                     p+=4;
 283                                 newkey= atoi(p);
 284                                 }
 285                         else
 286 #ifndef OPENSSL_NO_DSA
 287                                 if (strncmp("dsa:",p,4) == 0)
 288                                 {
 289                                 X509 *xtmp=NULL;
 290                                 EVP_PKEY *dtmp;
 291
 292                                 pkey_type=TYPE_DSA;
 293                                 p+=4;
 294                                 if ((in=BIO_new_file(p,"r")) == NULL)
 295                                         {
 296                                         perror(p);
 297                                         goto end;
 298                                         }
 299                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 300                                         {
 301                                         ERR_clear_error();
 302                                         (void)BIO_reset(in);
 303                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 304                                                 {
 305                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 306                                                 goto end;
 307                                                 }
 308
 309                                         dtmp=X509_get_pubkey(xtmp);
 310                                         if (dtmp->type == EVP_PKEY_DSA)
 311                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 312                                         EVP_PKEY_free(dtmp);
 313                                         X509_free(xtmp);
 314                                         if (dsa_params == NULL)
 315                                                 {
 316                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 317                                                 goto end;
 318                                                 }
 319                                         }
 320                                 BIO_free(in);
 321                                 newkey=BN_num_bits(dsa_params->p);
 322                                 in=NULL;
 323                                 }
 324                         else
 325 #endif
 326 #ifndef OPENSSL_NO_DH
 327                                 if (strncmp("dh:",p,4) == 0)
 328                                 {
 329                                 pkey_type=TYPE_DH;
 330                                 p+=3;
 331                                 }
 332                         else
 333 #endif
 334                                 pkey_type=TYPE_RSA;
 335
 336                         newreq=1;
 337                         }
 338                 else if (strcmp(*argv,"-batch") == 0)
 339                         batch=1;
 340                 else if (strcmp(*argv,"-newhdr") == 0)
 341                         newhdr=1;
 342                 else if (strcmp(*argv,"-modulus") == 0)
 343                         modulus=1;
 344                 else if (strcmp(*argv,"-verify") == 0)
 345                         verify=1;
 346                 else if (strcmp(*argv,"-nodes") == 0)
 347                         nodes=1;
 348                 else if (strcmp(*argv,"-noout") == 0)
 349                         noout=1;
 350                 else if (strcmp(*argv,"-verbose") == 0)
 351                         verbose=1;
 352                 else if (strcmp(*argv,"-utf8") == 0)
 353                         chtype = MBSTRING_UTF8;
 354                 else if (strcmp(*argv,"-nameopt") == 0)
 355                         {
 356                         if (--argc < 1) goto bad;
 357                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 358                         }
 359                 else if (strcmp(*argv,"-subject") == 0)
 360                         subject=1;
 361                 else if (strcmp(*argv,"-text") == 0)
 362                         text=1;
 363                 else if (strcmp(*argv,"-x509") == 0)
 364                         x509=1;
 365                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 366                         kludge=1;
 367                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 368                         kludge=0;
 369                 else if (strcmp(*argv,"-subj") == 0)
 370                         {
 371                         if (--argc < 1) goto bad;
 372                         subj= *(++argv);
 373                         }
 374                 else if (strcmp(*argv,"-days") == 0)
 375                         {
 376                         if (--argc < 1) goto bad;
 377                         days= atoi(*(++argv));
 378                         if (days == 0) days=30;
 379                         }
 380                 else if (strcmp(*argv,"-set_serial") == 0)
 381                         {
 382                         if (--argc < 1) goto bad;
 383                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 384                         if (!serial) goto bad;
 385                         }
 386                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 387                         {
 388                         /* ok */
 389                         digest=md_alg;
 390                         }
 391                 else if (strcmp(*argv,"-extensions") == 0)
 392                         {
 393                         if (--argc < 1) goto bad;
 394                         extensions = *(++argv);
 395                         }
 396                 else if (strcmp(*argv,"-reqexts") == 0)
 397                         {
 398                         if (--argc < 1) goto bad;
 399                         req_exts = *(++argv);
 400                         }
 401                 else
 402                         {
 403                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 404                         badops=1;
 405                         break;
 406                         }
 407                 argc--;
 408                 argv++;
 409                 }
 410
 411         if (badops)
 412                 {
 413 bad:
 414                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 415                 BIO_printf(bio_err,"where options  are\n");
 416                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 417                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 418                 BIO_printf(bio_err," -in arg        input file\n");
 419                 BIO_printf(bio_err," -out arg       output file\n");
 420                 BIO_printf(bio_err," -text          text form of request\n");
 421                 BIO_printf(bio_err," -pubkey        output public key\n");
 422                 BIO_printf(bio_err," -noout         do not output REQ\n");
 423                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 424                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 425                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 426                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 427                 BIO_printf(bio_err," -subject       output the request's subject\n");
 428                 BIO_printf(bio_err," -passin        private key password source\n");
 429                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 430                 BIO_printf(bio_err," -keyform arg   key file format\n");
 431                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 432                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 433                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 434                 BIO_printf(bio_err,"                the random number generator\n");
 435                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 436                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 437                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 438                 BIO_printf(bio_err," -config file   request template file.\n");
 439                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 440                 BIO_printf(bio_err," -new           new request.\n");
 441                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 442                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 443                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 444                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 445                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 446                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 447                 BIO_printf(bio_err,"                have been reported as requiring\n");
 448                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 449                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 450                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 451                 goto end;
 452                 }
 453
 454         ERR_load_crypto_strings();
 455         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 456                 BIO_printf(bio_err, "Error getting passwords\n");
 457                 goto end;
 458         }
 459
 460 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 461         /* Lets load up our environment a little */
 462         p=getenv("OPENSSL_CONF");
 463         if (p == NULL)
 464                 p=getenv("SSLEAY_CONF");
 465         if (p == NULL)
 466                 {
 467                 strcpy(config_name,X509_get_default_cert_area());
 468 #ifndef OPENSSL_SYS_VMS
 469                 strcat(config_name,"/");
 470 #endif
 471                 strcat(config_name,OPENSSL_CONF);
 472                 p=config_name;
 473                 }
 474         default_config_file=p;
 475         config=NCONF_new(NULL);
 476         i=NCONF_load(config, p, &errline);
 477 #endif
 478
 479         if (template != NULL)
 480                 {
 481                 long errline;
 482
 483                 if( verbose )
 484                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 485                 req_conf=NCONF_new(NULL);
 486                 i=NCONF_load(req_conf,template,&errline);
 487                 if (i == 0)
 488                         {
 489                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 490                         goto end;
 491                         }
 492                 }
 493         else
 494                 {
 495                 req_conf=config;
 496                 if( verbose )
 497                         BIO_printf(bio_err,"Using configuration from %s\n",
 498                         default_config_file);
 499                 if (req_conf == NULL)
 500                         {
 501                         BIO_printf(bio_err,"Unable to load config info\n");
 502                         }
 503                 }
 504
 505         if (req_conf != NULL)
 506                 {
 507                 if (!load_config(bio_err, req_conf))
 508                         goto end;
 509                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 510                 if (p == NULL)
 511                         ERR_clear_error();
 512                 if (p != NULL)
 513                         {
 514                         BIO *oid_bio;
 515
 516                         oid_bio=BIO_new_file(p,"r");
 517                         if (oid_bio == NULL)
 518                                 {
 519                                 /*
 520                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 521                                 ERR_print_errors(bio_err);
 522                                 */
 523                                 }
 524                         else
 525                                 {
 526                                 OBJ_create_objects(oid_bio);
 527                                 BIO_free(oid_bio);
 528                                 }
 529                         }
 530                 }
 531         if(!add_oid_section(bio_err, req_conf)) goto end;
 532
 533         if (md_alg == NULL)
 534                 {
 535                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 536                 if (p == NULL)
 537                         ERR_clear_error();
 538                 if (p != NULL)
 539                         {
 540                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 541                                 digest=md_alg;
 542                         }
 543                 }
 544
 545         if (!extensions)
 546                 {
 547                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 548                 if (!extensions)
 549                         ERR_clear_error();
 550                 }
 551         if (extensions) {
 552                 /* Check syntax of file */
 553                 X509V3_CTX ctx;
 554                 X509V3_set_ctx_test(&ctx);
 555                 X509V3_set_nconf(&ctx, req_conf);
 556                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 557                         BIO_printf(bio_err,
 558                          "Error Loading extension section %s\n", extensions);
 559                         goto end;
 560                 }
 561         }
 562
 563         if(!passin)
 564                 {
 565                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 566                 if (!passin)
 567                         ERR_clear_error();
 568                 }
 569
 570         if(!passout)
 571                 {
 572                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 573                 if (!passout)
 574                         ERR_clear_error();
 575                 }
 576
 577         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 578         if (!p)
 579                 ERR_clear_error();
 580
 581         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 582                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 583                 goto end;
 584         }
 585
 586         if (chtype != MBSTRING_UTF8)
 587                 {
 588                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 589                 if (!p)
 590                         ERR_clear_error();
 591                 else if (!strcmp(p, "yes"))
 592                         chtype = MBSTRING_UTF8;
 593                 }
 594
 595
 596         if(!req_exts)
 597                 {
 598                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 599                 if (!req_exts)
 600                         ERR_clear_error();
 601                 }
 602         if(req_exts) {
 603                 /* Check syntax of file */
 604                 X509V3_CTX ctx;
 605                 X509V3_set_ctx_test(&ctx);
 606                 X509V3_set_nconf(&ctx, req_conf);
 607                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 608                         BIO_printf(bio_err,
 609                          "Error Loading request extension section %s\n",
 610                                                                 req_exts);
 611                         goto end;
 612                 }
 613         }
 614
 615         in=BIO_new(BIO_s_file());
 616         out=BIO_new(BIO_s_file());
 617         if ((in == NULL) || (out == NULL))
 618                 goto end;
 619
 620         e = setup_engine(bio_err, engine, 0);
 621
 622         if (keyfile != NULL)
 623                 {
 624                 pkey = load_key(bio_err, keyfile, keyform, passin, e,
 625                         "Private Key");
 626                 if (!pkey)
 627                         {
 628                         /* load_key() has already printed an appropriate
 629                            message */
 630                         goto end;
 631                         }
 632                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 633                         {
 634                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 635                         if (randfile == NULL)
 636                                 ERR_clear_error();
 637                         app_RAND_load_file(randfile, bio_err, 0);
 638                         }
 639                 }
 640
 641         if (newreq && (pkey == NULL))
 642                 {
 643                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 644                 if (randfile == NULL)
 645                         ERR_clear_error();
 646                 app_RAND_load_file(randfile, bio_err, 0);
 647                 if (inrand)
 648                         app_RAND_load_files(inrand);
 649
 650                 if (newkey <= 0)
 651                         {
 652                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 653                                 newkey=DEFAULT_KEY_LENGTH;
 654                         }
 655
 656                 if (newkey < MIN_KEY_LENGTH)
 657                         {
 658                         BIO_printf(bio_err,"private key length is too short,\n");
 659                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 660                         goto end;
 661                         }
 662                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 663                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 664
 665                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 666
 667 #ifndef OPENSSL_NO_RSA
 668                 if (pkey_type == TYPE_RSA)
 669                         {
 670                         if (!EVP_PKEY_assign_RSA(pkey,
 671                                 RSA_generate_key(newkey,0x10001,
 672                                         req_cb,bio_err)))
 673                                 goto end;
 674                         }
 675                 else
 676 #endif
 677 #ifndef OPENSSL_NO_DSA
 678                         if (pkey_type == TYPE_DSA)
 679                         {
 680                         if (!DSA_generate_key(dsa_params)) goto end;
 681                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 682                         dsa_params=NULL;
 683                         }
 684 #endif
 685
 686                 app_RAND_write_file(randfile, bio_err);
 687
 688                 if (pkey == NULL) goto end;
 689
 690                 if (keyout == NULL)
 691                         {
 692                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 693                         if (keyout == NULL)
 694                                 ERR_clear_error();
 695                         }
 696
 697                 if (keyout == NULL)
 698                         {
 699                         BIO_printf(bio_err,"writing new private key to stdout\n");
 700                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 701 #ifdef OPENSSL_SYS_VMS
 702                         {
 703                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 704                         out = BIO_push(tmpbio, out);
 705                         }
 706 #endif
 707                         }
 708                 else
 709                         {
 710                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 711                         if (BIO_write_filename(out,keyout) <= 0)
 712                                 {
 713                                 perror(keyout);
 714                                 goto end;
 715                                 }
 716                         }
 717
 718                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 719                 if (p == NULL)
 720                         {
 721                         ERR_clear_error();
 722                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 723                         if (p == NULL)
 724                                 ERR_clear_error();
 725                         }
 726                 if ((p != NULL) && (strcmp(p,"no") == 0))
 727                         cipher=NULL;
 728                 if (nodes) cipher=NULL;
 729
 730                 i=0;
 731 loop:
 732                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 733                         NULL,0,NULL,passout))
 734                         {
 735                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 736                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 737                                 {
 738                                 ERR_clear_error();
 739                                 i++;
 740                                 goto loop;
 741                                 }
 742                         goto end;
 743                         }
 744                 BIO_printf(bio_err,"-----\n");
 745                 }
 746
 747         if (!newreq)
 748                 {
 749                 /* Since we are using a pre-existing certificate
 750                  * request, the kludge 'format' info should not be
 751                  * changed. */
 752                 kludge= -1;
 753                 if (infile == NULL)
 754                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 755                 else
 756                         {
 757                         if (BIO_read_filename(in,infile) <= 0)
 758                                 {
 759                                 perror(infile);
 760                                 goto end;
 761                                 }
 762                         }
 763
 764                 if      (informat == FORMAT_ASN1)
 765                         req=d2i_X509_REQ_bio(in,NULL);
 766                 else if (informat == FORMAT_PEM)
 767                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 768                 else
 769                         {
 770                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 771                         goto end;
 772                         }
 773                 if (req == NULL)
 774                         {
 775                         BIO_printf(bio_err,"unable to load X509 request\n");
 776                         goto end;
 777                         }
 778                 }
 779
 780         if (newreq || x509)
 781                 {
 782                 if (pkey == NULL)
 783                         {
 784                         BIO_printf(bio_err,"you need to specify a private key\n");
 785                         goto end;
 786                         }
 787 #ifndef OPENSSL_NO_DSA
 788                 if (pkey->type == EVP_PKEY_DSA)
 789                         digest=EVP_dss1();
 790 #endif
 791                 if (req == NULL)
 792                         {
 793                         req=X509_REQ_new();
 794                         if (req == NULL)
 795                                 {
 796                                 goto end;
 797                                 }
 798
 799                         i=make_REQ(req,pkey,subj,!x509, chtype);
 800                         subj=NULL; /* done processing '-subj' option */
 801                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 802                                 {
 803                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 804                                 req->req_info->attributes = NULL;
 805                                 }
 806                         if (!i)
 807                                 {
 808                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 809                                 goto end;
 810                                 }
 811                         }
 812                 if (x509)
 813                         {
 814                         EVP_PKEY *tmppkey;
 815                         X509V3_CTX ext_ctx;
 816                         if ((x509ss=X509_new()) == NULL) goto end;
 817
 818                         /* Set version to V3 */
 819                         if(!X509_set_version(x509ss, 2)) goto end;
 820                         if (serial)
 821                                 X509_set_serialNumber(x509ss, serial);
 822                         else
 823                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 824
 825                         X509_set_issuer_name(x509ss,
 826                                 X509_REQ_get_subject_name(req));
 827                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 828                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 829                                 (long)60*60*24*days);
 830                         X509_set_subject_name(x509ss,
 831                                 X509_REQ_get_subject_name(req));
 832                         tmppkey = X509_REQ_get_pubkey(req);
 833                         X509_set_pubkey(x509ss,tmppkey);
 834                         EVP_PKEY_free(tmppkey);
 835
 836                         /* Set up V3 context struct */
 837
 838                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 839                         X509V3_set_nconf(&ext_ctx, req_conf);
 840
 841                         /* Add extensions */
 842                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 843                                         &ext_ctx, extensions, x509ss))
 844                                 {
 845                                 BIO_printf(bio_err,
 846                                         "Error Loading extension section %s\n",
 847                                         extensions);
 848                                 goto end;
 849                                 }
 850
 851                         if (!(i=X509_sign(x509ss,pkey,digest)))
 852                                 goto end;
 853                         }
 854                 else
 855                         {
 856                         X509V3_CTX ext_ctx;
 857
 858                         /* Set up V3 context struct */
 859
 860                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 861                         X509V3_set_nconf(&ext_ctx, req_conf);
 862
 863                         /* Add extensions */
 864                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 865                                         &ext_ctx, req_exts, req))
 866                                 {
 867                                 BIO_printf(bio_err,
 868                                         "Error Loading extension section %s\n",
 869                                         req_exts);
 870                                 goto end;
 871                                 }
 872                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 873                                 goto end;
 874                         }
 875                 }
 876
 877         if (subj && x509)
 878                 {
 879                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 880                 goto end;
 881                 }
 882
 883         if (subj && !x509)
 884                 {
 885                 if (verbose)
 886                         {
 887                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 888                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 889                         }
 890
 891                 if (build_subject(req, subj, chtype) == 0)
 892                         {
 893                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 894                         ex=1;
 895                         goto end;
 896                         }
 897
 898                 req->req_info->enc.modified = 1;
 899
 900                 if (verbose)
 901                         {
 902                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 903                         }
 904                 }
 905
 906         if (verify && !x509)
 907                 {
 908                 int tmp=0;
 909
 910                 if (pkey == NULL)
 911                         {
 912                         pkey=X509_REQ_get_pubkey(req);
 913                         tmp=1;
 914                         if (pkey == NULL) goto end;
 915                         }
 916
 917                 i=X509_REQ_verify(req,pkey);
 918                 if (tmp) {
 919                         EVP_PKEY_free(pkey);
 920                         pkey=NULL;
 921                 }
 922
 923                 if (i < 0)
 924                         {
 925                         goto end;
 926                         }
 927                 else if (i == 0)
 928                         {
 929                         BIO_printf(bio_err,"verify failure\n");
 930                         ERR_print_errors(bio_err);
 931                         }
 932                 else /* if (i > 0) */
 933                         BIO_printf(bio_err,"verify OK\n");
 934                 }
 935
 936         if (noout && !text && !modulus && !subject && !pubkey)
 937                 {
 938                 ex=0;
 939                 goto end;
 940                 }
 941
 942         if (outfile == NULL)
 943                 {
 944                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 945 #ifdef OPENSSL_SYS_VMS
 946                 {
 947                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 948                 out = BIO_push(tmpbio, out);
 949                 }
 950 #endif
 951                 }
 952         else
 953                 {
 954                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 955                         i=(int)BIO_append_filename(out,outfile);
 956                 else
 957                         i=(int)BIO_write_filename(out,outfile);
 958                 if (!i)
 959                         {
 960                         perror(outfile);
 961                         goto end;
 962                         }
 963                 }
 964
 965         if (pubkey)
 966                 {
 967                 EVP_PKEY *tpubkey;
 968                 tpubkey=X509_REQ_get_pubkey(req);
 969                 if (tpubkey == NULL)
 970                         {
 971                         BIO_printf(bio_err,"Error getting public key\n");
 972                         ERR_print_errors(bio_err);
 973                         goto end;
 974                         }
 975                 PEM_write_bio_PUBKEY(out, tpubkey);
 976                 EVP_PKEY_free(tpubkey);
 977                 }
 978
 979         if (text)
 980                 {
 981                 if (x509)
 982                         X509_print(out,x509ss);
 983                 else
 984                         X509_REQ_print(out,req);
 985                 }
 986
 987         if(subject)
 988                 {
 989                 if(x509)
 990                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
 991                 else
 992                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
 993                 }
 994
 995         if (modulus)
 996                 {
 997                 EVP_PKEY *tpubkey;
 998
 999                 if (x509)
1000                         tpubkey=X509_get_pubkey(x509ss);
1001                 else
1002                         tpubkey=X509_REQ_get_pubkey(req);
1003                 if (tpubkey == NULL)
1004                         {
1005                         fprintf(stdout,"Modulus=unavailable\n");
1006                         goto end;
1007                         }
1008                 fprintf(stdout,"Modulus=");
1009 #ifndef OPENSSL_NO_RSA
1010                 if (tpubkey->type == EVP_PKEY_RSA)
1011                         BN_print(out,tpubkey->pkey.rsa->n);
1012                 else
1013 #endif
1014                         fprintf(stdout,"Wrong Algorithm type");
1015                 EVP_PKEY_free(tpubkey);
1016                 fprintf(stdout,"\n");
1017                 }
1018
1019         if (!noout && !x509)
1020                 {
1021                 if      (outformat == FORMAT_ASN1)
1022                         i=i2d_X509_REQ_bio(out,req);
1023                 else if (outformat == FORMAT_PEM) {
1024                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1025                         else i=PEM_write_bio_X509_REQ(out,req);
1026                 } else {
1027                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1028                         goto end;
1029                         }
1030                 if (!i)
1031                         {
1032                         BIO_printf(bio_err,"unable to write X509 request\n");
1033                         goto end;
1034                         }
1035                 }
1036         if (!noout && x509 && (x509ss != NULL))
1037                 {
1038                 if      (outformat == FORMAT_ASN1)
1039                         i=i2d_X509_bio(out,x509ss);
1040                 else if (outformat == FORMAT_PEM)
1041                         i=PEM_write_bio_X509(out,x509ss);
1042                 else    {
1043                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1044                         goto end;
1045                         }
1046                 if (!i)
1047                         {
1048                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1049                         goto end;
1050                         }
1051                 }
1052         ex=0;
1053 end:
1054         if (ex)
1055                 {
1056                 ERR_print_errors(bio_err);
1057                 }
1058         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1059         BIO_free(in);
1060         BIO_free_all(out);
1061         EVP_PKEY_free(pkey);
1062         X509_REQ_free(req);
1063         X509_free(x509ss);
1064         ASN1_INTEGER_free(serial);
1065         if(passargin && passin) OPENSSL_free(passin);
1066         if(passargout && passout) OPENSSL_free(passout);
1067         OBJ_cleanup();
1068 #ifndef OPENSSL_NO_DSA
1069         if (dsa_params != NULL) DSA_free(dsa_params);
1070 #endif
1071         apps_shutdown();
1072         EXIT(ex);
1073         }
1074
1075 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1076                         unsigned long chtype)
1077         {
1078         int ret=0,i;
1079         char no_prompt = 0;
1080         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1081         char *tmp, *dn_sect,*attr_sect;
1082
1083         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1084         if (tmp == NULL)
1085                 ERR_clear_error();
1086         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1087
1088         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1089         if (dn_sect == NULL)
1090                 {
1091                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1092                         DISTINGUISHED_NAME);
1093                 goto err;
1094                 }
1095         dn_sk=NCONF_get_section(req_conf,dn_sect);
1096         if (dn_sk == NULL)
1097                 {
1098                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1099                 goto err;
1100                 }
1101
1102         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1103         if (attr_sect == NULL)
1104                 {
1105                 ERR_clear_error();
1106                 attr_sk=NULL;
1107                 }
1108         else
1109                 {
1110                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1111                 if (attr_sk == NULL)
1112                         {
1113                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1114                         goto err;
1115                         }
1116                 }
1117
1118         /* setup version number */
1119         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1120
1121         if (no_prompt)
1122                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1123         else
1124                 {
1125                 if (subj)
1126                         i = build_subject(req, subj, chtype);
1127                 else
1128                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1129                 }
1130         if(!i) goto err;
1131
1132         X509_REQ_set_pubkey(req,pkey);
1133
1134         ret=1;
1135 err:
1136         return(ret);
1137         }
1138
1139 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1140         {
1141         X509_NAME *n = NULL;
1142
1143         int i, nid, ne_num=0;
1144
1145         char *ne_name = NULL;
1146         char *ne_value = NULL;
1147
1148         char *tmp = NULL;
1149         char *p[2];
1150
1151         char *str_list[256];
1152
1153         p[0] = ",/";
1154         p[1] = "=";
1155
1156         n = X509_NAME_new();
1157
1158         tmp = strtok(subject, p[0]);
1159         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1160                 {
1161                 char *token = tmp;
1162
1163                 while (token[0] == ' ')
1164                         token++;
1165                 str_list[ne_num] = token;
1166
1167                 tmp = strtok(NULL, p[0]);
1168                 ne_num++;
1169                 }
1170
1171         for(i = 0; i < ne_num; i++)
1172                 {
1173                 ne_name  = strtok(str_list[i], p[1]);
1174                 ne_value = strtok(NULL, p[1]);
1175
1176                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1177                         {
1178                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1179                         continue;
1180                         }
1181
1182                 if (ne_value == NULL)
1183                         {
1184                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1185                         continue;
1186                         }
1187
1188                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_value, -1,-1,0))
1189                         {
1190                         X509_NAME_free(n);
1191                         return 0;
1192                         }
1193                 }
1194
1195         if (!X509_REQ_set_subject_name(req, n))
1196                 return 0;
1197         X509_NAME_free(n);
1198         return 1;
1199 }
1200
1201
1202 static int prompt_info(X509_REQ *req,
1203                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1204                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1205                 unsigned long chtype)
1206         {
1207         int i;
1208         char *p,*q;
1209         char buf[100];
1210         int nid;
1211         long n_min,n_max;
1212         char *type,*def,*value;
1213         CONF_VALUE *v;
1214         X509_NAME *subj;
1215         subj = X509_REQ_get_subject_name(req);
1216
1217         if(!batch)
1218                 {
1219                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1220                 BIO_printf(bio_err,"into your certificate request.\n");
1221                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1222                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1223                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1224                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1225                 BIO_printf(bio_err,"-----\n");
1226                 }
1227
1228
1229         if (sk_CONF_VALUE_num(dn_sk))
1230                 {
1231                 i= -1;
1232 start:          for (;;)
1233                         {
1234                         i++;
1235                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1236
1237                         v=sk_CONF_VALUE_value(dn_sk,i);
1238                         p=q=NULL;
1239                         type=v->name;
1240                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1241                                 !check_end(type,"_default") ||
1242                                          !check_end(type,"_value")) continue;
1243                         /* Skip past any leading X. X: X, etc to allow for
1244                          * multiple instances
1245                          */
1246                         for(p = v->name; *p ; p++)
1247                                 if ((*p == ':') || (*p == ',') ||
1248                                                          (*p == '.')) {
1249                                         p++;
1250                                         if(*p) type = p;
1251                                         break;
1252                                 }
1253                         /* If OBJ not recognised ignore it */
1254                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1255                         sprintf(buf,"%s_default",v->name);
1256                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1257                                 {
1258                                 ERR_clear_error();
1259                                 def="";
1260                                 }
1261
1262                         sprintf(buf,"%s_value",v->name);
1263                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1264                                 {
1265                                 ERR_clear_error();
1266                                 value=NULL;
1267                                 }
1268
1269                         sprintf(buf,"%s_min",v->name);
1270                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1271                                 n_min = -1;
1272
1273                         sprintf(buf,"%s_max",v->name);
1274                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1275                                 n_max = -1;
1276
1277                         if (!add_DN_object(subj,v->value,def,value,nid,
1278                                 n_min,n_max, chtype))
1279                                 return 0;
1280                         }
1281                 if (X509_NAME_entry_count(subj) == 0)
1282                         {
1283                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1284                         return 0;
1285                         }
1286
1287                 if (attribs)
1288                         {
1289                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1290                                 {
1291                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1292                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1293                                 }
1294
1295                         i= -1;
1296 start2:                 for (;;)
1297                                 {
1298                                 i++;
1299                                 if ((attr_sk == NULL) ||
1300                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1301                                         break;
1302
1303                                 v=sk_CONF_VALUE_value(attr_sk,i);
1304                                 type=v->name;
1305                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1306                                         goto start2;
1307
1308                                 sprintf(buf,"%s_default",type);
1309                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1310                                         == NULL)
1311                                         {
1312                                         ERR_clear_error();
1313                                         def="";
1314                                         }
1315
1316
1317                                 sprintf(buf,"%s_value",type);
1318                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1319                                         == NULL)
1320                                         {
1321                                         ERR_clear_error();
1322                                         value=NULL;
1323                                         }
1324
1325                                 sprintf(buf,"%s_min",type);
1326                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1327                                         n_min = -1;
1328
1329                                 sprintf(buf,"%s_max",type);
1330                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1331                                         n_max = -1;
1332
1333                                 if (!add_attribute_object(req,
1334                                         v->value,def,value,nid,n_min,n_max, chtype))
1335                                         return 0;
1336                                 }
1337                         }
1338                 }
1339         else
1340                 {
1341                 BIO_printf(bio_err,"No template, please set one up.\n");
1342                 return 0;
1343                 }
1344
1345         return 1;
1346
1347         }
1348
1349 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1350                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1351         {
1352         int i;
1353         char *p,*q;
1354         char *type;
1355         CONF_VALUE *v;
1356         X509_NAME *subj;
1357
1358         subj = X509_REQ_get_subject_name(req);
1359
1360         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1361                 {
1362                 v=sk_CONF_VALUE_value(dn_sk,i);
1363                 p=q=NULL;
1364                 type=v->name;
1365                 /* Skip past any leading X. X: X, etc to allow for
1366                  * multiple instances
1367                  */
1368                 for(p = v->name; *p ; p++)
1369 #ifndef CHARSET_EBCDIC
1370                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1371 #else
1372                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1373 #endif
1374                                 p++;
1375                                 if(*p) type = p;
1376                                 break;
1377                         }
1378                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1379                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1380
1381                 }
1382
1383                 if (!X509_NAME_entry_count(subj))
1384                         {
1385                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1386                         return 0;
1387                         }
1388                 if (attribs)
1389                         {
1390                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1391                                 {
1392                                 v=sk_CONF_VALUE_value(attr_sk,i);
1393                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1394                                         (unsigned char *)v->value, -1)) return 0;
1395                                 }
1396                         }
1397         return 1;
1398         }
1399
1400
1401 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1402              int nid, int n_min, int n_max, unsigned long chtype)
1403         {
1404         int i,ret=0;
1405         MS_STATIC char buf[1024];
1406 start:
1407         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1408         (void)BIO_flush(bio_err);
1409         if(value != NULL)
1410                 {
1411                 strcpy(buf,value);
1412                 strcat(buf,"\n");
1413                 BIO_printf(bio_err,"%s\n",value);
1414                 }
1415         else
1416                 {
1417                 buf[0]='\0';
1418                 if (!batch)
1419                         {
1420                         fgets(buf,1024,stdin);
1421                         }
1422                 else
1423                         {
1424                         buf[0] = '\n';
1425                         buf[1] = '\0';
1426                         }
1427                 }
1428
1429         if (buf[0] == '\0') return(0);
1430         else if (buf[0] == '\n')
1431                 {
1432                 if ((def == NULL) || (def[0] == '\0'))
1433                         return(1);
1434                 strcpy(buf,def);
1435                 strcat(buf,"\n");
1436                 }
1437         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1438
1439         i=strlen(buf);
1440         if (buf[i-1] != '\n')
1441                 {
1442                 BIO_printf(bio_err,"weird input :-(\n");
1443                 return(0);
1444                 }
1445         buf[--i]='\0';
1446 #ifdef CHARSET_EBCDIC
1447         ebcdic2ascii(buf, buf, i);
1448 #endif
1449         if(!req_check_len(i, n_min, n_max)) goto start;
1450         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1451                                 (unsigned char *) buf, -1,-1,0)) goto err;
1452         ret=1;
1453 err:
1454         return(ret);
1455         }
1456
1457 static int add_attribute_object(X509_REQ *req, char *text,
1458                                 char *def, char *value, int nid, int n_min,
1459                                 int n_max, unsigned long chtype)
1460         {
1461         int i;
1462         static char buf[1024];
1463
1464 start:
1465         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1466         (void)BIO_flush(bio_err);
1467         if (value != NULL)
1468                 {
1469                 strcpy(buf,value);
1470                 strcat(buf,"\n");
1471                 BIO_printf(bio_err,"%s\n",value);
1472                 }
1473         else
1474                 {
1475                 buf[0]='\0';
1476                 if (!batch)
1477                         {
1478                         fgets(buf,1024,stdin);
1479                         }
1480                 else
1481                         {
1482                         buf[0] = '\n';
1483                         buf[1] = '\0';
1484                         }
1485                 }
1486
1487         if (buf[0] == '\0') return(0);
1488         else if (buf[0] == '\n')
1489                 {
1490                 if ((def == NULL) || (def[0] == '\0'))
1491                         return(1);
1492                 strcpy(buf,def);
1493                 strcat(buf,"\n");
1494                 }
1495         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1496
1497         i=strlen(buf);
1498         if (buf[i-1] != '\n')
1499                 {
1500                 BIO_printf(bio_err,"weird input :-(\n");
1501                 return(0);
1502                 }
1503         buf[--i]='\0';
1504 #ifdef CHARSET_EBCDIC
1505         ebcdic2ascii(buf, buf, i);
1506 #endif
1507         if(!req_check_len(i, n_min, n_max)) goto start;
1508
1509         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1510                                         (unsigned char *)buf, -1)) {
1511                 BIO_printf(bio_err, "Error adding attribute\n");
1512                 ERR_print_errors(bio_err);
1513                 goto err;
1514         }
1515
1516         return(1);
1517 err:
1518         return(0);
1519         }
1520
1521 #ifndef OPENSSL_NO_RSA
1522 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1523         {
1524         char c='*';
1525
1526         if (p == 0) c='.';
1527         if (p == 1) c='+';
1528         if (p == 2) c='*';
1529         if (p == 3) c='\n';
1530         BIO_write((BIO *)arg,&c,1);
1531         (void)BIO_flush((BIO *)arg);
1532 #ifdef LINT
1533         p=n;
1534 #endif
1535         }
1536 #endif
1537
1538 static int req_check_len(int len, int n_min, int n_max)
1539         {
1540         if ((n_min > 0) && (len < n_min))
1541                 {
1542                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1543                 return(0);
1544                 }
1545         if ((n_max >= 0) && (len > n_max))
1546                 {
1547                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1548                 return(0);
1549                 }
1550         return(1);
1551         }
1552
1553 /* Check if the end of a string matches 'end' */
1554 static int check_end(char *str, char *end)
1555 {
1556         int elen, slen;
1557         char *tmp;
1558         elen = strlen(end);
1559         slen = strlen(str);
1560         if(elen > slen) return 1;
1561         tmp = str + slen - elen;
1562         return strcmp(tmp, end);
1563 }