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 <openssl/engine.h>
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define PROMPT          "prompt"
  83 #define DISTINGUISHED_NAME      "distinguished_name"
  84 #define ATTRIBUTES      "attributes"
  85 #define V3_EXTENSIONS   "x509_extensions"
  86 #define REQ_EXTENSIONS  "req_extensions"
  87 #define STRING_MASK     "string_mask"
  88
  89 #define DEFAULT_KEY_LENGTH      512
  90 #define MIN_KEY_LENGTH          384
  91
  92 #undef PROG
  93 #define PROG    req_main
  94
  95 /* -inform arg  - input format - default PEM (DER or PEM)
  96  * -outform arg - output format - default PEM
  97  * -in arg      - input file - default stdin
  98  * -out arg     - output file - default stdout
  99  * -verify      - check request signature
 100  * -noout       - don't print stuff out.
 101  * -text        - print out human readable text.
 102  * -nodes       - no des encryption
 103  * -config file - Load configuration file.
 104  * -key file    - make a request using key in file (or use it for verification).
 105  * -keyform arg - key file format.
 106  * -rand file(s) - load the file(s) into the PRNG.
 107  * -newkey      - make a key and a request.
 108  * -modulus     - print RSA modulus.
 109  * -x509        - output a self signed X509 structure instead.
 110  * -asn1-kludge - output new certificate request in a format that some CA's
 111  *                require.  This format is wrong
 112  */
 113
 114 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs);
 115 static int build_subject(X509_REQ *req, char *subj);
 116 static int prompt_info(X509_REQ *req,
 117                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 118                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
 119 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 120                                 STACK_OF(CONF_VALUE) *attr, int attribs);
 121 static int add_attribute_object(X509_REQ *req, char *text,
 122                                 char *def, char *value, int nid, int min,
 123                                 int max);
 124 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 125         int nid,int min,int max);
 126 #ifndef OPENSSL_NO_RSA
 127 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 128 #endif
 129 static int req_check_len(int len,int min,int max);
 130 static int check_end(char *str, char *end);
 131 #ifndef MONOLITH
 132 static char *default_config_file=NULL;
 133 static LHASH *config=NULL;
 134 #endif
 135 static LHASH *req_conf=NULL;
 136 static int batch=0;
 137
 138 #define TYPE_RSA        1
 139 #define TYPE_DSA        2
 140 #define TYPE_DH         3
 141
 142 int MAIN(int, char **);
 143
 144 int MAIN(int argc, char **argv)
 145         {
 146         ENGINE *e = NULL;
 147 #ifndef OPENSSL_NO_DSA
 148         DSA *dsa_params=NULL;
 149 #endif
 150         unsigned long nmflag = 0;
 151         int ex=1,x509=0,days=30;
 152         X509 *x509ss=NULL;
 153         X509_REQ *req=NULL;
 154         EVP_PKEY *pkey=NULL;
 155         int i,badops=0,newreq=0,newkey= -1,verbose=0,pkey_type=TYPE_RSA;
 156         BIO *in=NULL,*out=NULL;
 157         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 158         int nodes=0,kludge=0,newhdr=0,subject=0;
 159         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 160         char *engine=NULL;
 161         char *extensions = NULL;
 162         char *req_exts = NULL;
 163         const EVP_CIPHER *cipher=NULL;
 164         ASN1_INTEGER *serial = NULL;
 165         int modulus=0;
 166         char *inrand=NULL;
 167         char *passargin = NULL, *passargout = NULL;
 168         char *passin = NULL, *passout = NULL;
 169         char *p;
 170         char *subj = NULL;
 171         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 172 #ifndef MONOLITH
 173         MS_STATIC char config_name[256];
 174 #endif
 175
 176         req_conf = NULL;
 177 #ifndef OPENSSL_NO_DES
 178         cipher=EVP_des_ede3_cbc();
 179 #endif
 180         apps_startup();
 181
 182         if (bio_err == NULL)
 183                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 184                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 185
 186         infile=NULL;
 187         outfile=NULL;
 188         informat=FORMAT_PEM;
 189         outformat=FORMAT_PEM;
 190
 191         prog=argv[0];
 192         argc--;
 193         argv++;
 194         while (argc >= 1)
 195                 {
 196                 if      (strcmp(*argv,"-inform") == 0)
 197                         {
 198                         if (--argc < 1) goto bad;
 199                         informat=str2fmt(*(++argv));
 200                         }
 201                 else if (strcmp(*argv,"-outform") == 0)
 202                         {
 203                         if (--argc < 1) goto bad;
 204                         outformat=str2fmt(*(++argv));
 205                         }
 206                 else if (strcmp(*argv,"-engine") == 0)
 207                         {
 208                         if (--argc < 1) goto bad;
 209                         engine= *(++argv);
 210                         }
 211                 else if (strcmp(*argv,"-key") == 0)
 212                         {
 213                         if (--argc < 1) goto bad;
 214                         keyfile= *(++argv);
 215                         }
 216                 else if (strcmp(*argv,"-new") == 0)
 217                         {
 218                         newreq=1;
 219                         }
 220                 else if (strcmp(*argv,"-config") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         template= *(++argv);
 224                         }
 225                 else if (strcmp(*argv,"-keyform") == 0)
 226                         {
 227                         if (--argc < 1) goto bad;
 228                         keyform=str2fmt(*(++argv));
 229                         }
 230                 else if (strcmp(*argv,"-in") == 0)
 231                         {
 232                         if (--argc < 1) goto bad;
 233                         infile= *(++argv);
 234                         }
 235                 else if (strcmp(*argv,"-out") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         outfile= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-keyout") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         keyout= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-passin") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         passargin= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-passout") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         passargout= *(++argv);
 254                         }
 255                 else if (strcmp(*argv,"-rand") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         inrand= *(++argv);
 259                         }
 260                 else if (strcmp(*argv,"-newkey") == 0)
 261                         {
 262                         int is_numeric;
 263
 264                         if (--argc < 1) goto bad;
 265                         p= *(++argv);
 266                         is_numeric = p[0] >= '0' && p[0] <= '9';
 267                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 268                                 {
 269                                 pkey_type=TYPE_RSA;
 270                                 if(!is_numeric)
 271                                     p+=4;
 272                                 newkey= atoi(p);
 273                                 }
 274                         else
 275 #ifndef OPENSSL_NO_DSA
 276                                 if (strncmp("dsa:",p,4) == 0)
 277                                 {
 278                                 X509 *xtmp=NULL;
 279                                 EVP_PKEY *dtmp;
 280
 281                                 pkey_type=TYPE_DSA;
 282                                 p+=4;
 283                                 if ((in=BIO_new_file(p,"r")) == NULL)
 284                                         {
 285                                         perror(p);
 286                                         goto end;
 287                                         }
 288                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 289                                         {
 290                                         ERR_clear_error();
 291                                         (void)BIO_reset(in);
 292                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 293                                                 {
 294                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 295                                                 goto end;
 296                                                 }
 297
 298                                         dtmp=X509_get_pubkey(xtmp);
 299                                         if (dtmp->type == EVP_PKEY_DSA)
 300                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 301                                         EVP_PKEY_free(dtmp);
 302                                         X509_free(xtmp);
 303                                         if (dsa_params == NULL)
 304                                                 {
 305                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 306                                                 goto end;
 307                                                 }
 308                                         }
 309                                 BIO_free(in);
 310                                 newkey=BN_num_bits(dsa_params->p);
 311                                 in=NULL;
 312                                 }
 313                         else
 314 #endif
 315 #ifndef OPENSSL_NO_DH
 316                                 if (strncmp("dh:",p,4) == 0)
 317                                 {
 318                                 pkey_type=TYPE_DH;
 319                                 p+=3;
 320                                 }
 321                         else
 322 #endif
 323                                 pkey_type=TYPE_RSA;
 324
 325                         newreq=1;
 326                         }
 327                 else if (strcmp(*argv,"-batch") == 0)
 328                         batch=1;
 329                 else if (strcmp(*argv,"-newhdr") == 0)
 330                         newhdr=1;
 331                 else if (strcmp(*argv,"-modulus") == 0)
 332                         modulus=1;
 333                 else if (strcmp(*argv,"-verify") == 0)
 334                         verify=1;
 335                 else if (strcmp(*argv,"-nodes") == 0)
 336                         nodes=1;
 337                 else if (strcmp(*argv,"-noout") == 0)
 338                         noout=1;
 339                 else if (strcmp(*argv,"-verbose") == 0)
 340                         verbose=1;
 341                 else if (strcmp(*argv,"-nameopt") == 0)
 342                         {
 343                         if (--argc < 1) goto bad;
 344                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 345                         }
 346                 else if (strcmp(*argv,"-subject") == 0)
 347                         subject=1;
 348                 else if (strcmp(*argv,"-text") == 0)
 349                         text=1;
 350                 else if (strcmp(*argv,"-x509") == 0)
 351                         x509=1;
 352                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 353                         kludge=1;
 354                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 355                         kludge=0;
 356                 else if (strcmp(*argv,"-subj") == 0)
 357                         {
 358                         if (--argc < 1) goto bad;
 359                         subj= *(++argv);
 360                         }
 361                 else if (strcmp(*argv,"-days") == 0)
 362                         {
 363                         if (--argc < 1) goto bad;
 364                         days= atoi(*(++argv));
 365                         if (days == 0) days=30;
 366                         }
 367                 else if (strcmp(*argv,"-set_serial") == 0)
 368                         {
 369                         if (--argc < 1) goto bad;
 370                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 371                         if (!serial) goto bad;
 372                         }
 373                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 374                         {
 375                         /* ok */
 376                         digest=md_alg;
 377                         }
 378                 else if (strcmp(*argv,"-extensions") == 0)
 379                         {
 380                         if (--argc < 1) goto bad;
 381                         extensions = *(++argv);
 382                         }
 383                 else if (strcmp(*argv,"-reqexts") == 0)
 384                         {
 385                         if (--argc < 1) goto bad;
 386                         req_exts = *(++argv);
 387                         }
 388                 else
 389                         {
 390                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 391                         badops=1;
 392                         break;
 393                         }
 394                 argc--;
 395                 argv++;
 396                 }
 397
 398         if (badops)
 399                 {
 400 bad:
 401                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 402                 BIO_printf(bio_err,"where options  are\n");
 403                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 404                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 405                 BIO_printf(bio_err," -in arg        input file\n");
 406                 BIO_printf(bio_err," -out arg       output file\n");
 407                 BIO_printf(bio_err," -text          text form of request\n");
 408                 BIO_printf(bio_err," -noout         do not output REQ\n");
 409                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 410                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 411                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 412                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 413                 BIO_printf(bio_err," -subject       output the request's subject\n");
 414                 BIO_printf(bio_err," -passin        private key password source\n");
 415                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 416                 BIO_printf(bio_err," -keyform arg   key file format\n");
 417                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 418                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 419                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 420                 BIO_printf(bio_err,"                the random number generator\n");
 421                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 422                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 423                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 424                 BIO_printf(bio_err," -config file   request template file.\n");
 425                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 426                 BIO_printf(bio_err," -new           new request.\n");
 427                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 428                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 429                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 430                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 431                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 432                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 433                 BIO_printf(bio_err,"                have been reported as requiring\n");
 434                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 435                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 436                 goto end;
 437                 }
 438
 439         ERR_load_crypto_strings();
 440         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 441                 BIO_printf(bio_err, "Error getting passwords\n");
 442                 goto end;
 443         }
 444
 445 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 446         /* Lets load up our environment a little */
 447         p=getenv("OPENSSL_CONF");
 448         if (p == NULL)
 449                 p=getenv("SSLEAY_CONF");
 450         if (p == NULL)
 451                 {
 452                 strcpy(config_name,X509_get_default_cert_area());
 453 #ifndef OPENSSL_SYS_VMS
 454                 strcat(config_name,"/");
 455 #endif
 456                 strcat(config_name,OPENSSL_CONF);
 457                 p=config_name;
 458                 }
 459         default_config_file=p;
 460         config=CONF_load(config,p,NULL);
 461 #endif
 462
 463         if (template != NULL)
 464                 {
 465                 long errline;
 466
 467                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 468                 req_conf=CONF_load(NULL,template,&errline);
 469                 if (req_conf == NULL)
 470                         {
 471                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 472                         goto end;
 473                         }
 474                 }
 475         else
 476                 {
 477                 req_conf=config;
 478                 BIO_printf(bio_err,"Using configuration from %s\n",
 479                         default_config_file);
 480                 if (req_conf == NULL)
 481                         {
 482                         BIO_printf(bio_err,"Unable to load config info\n");
 483                         }
 484                 }
 485
 486         if (req_conf != NULL)
 487                 {
 488                 p=CONF_get_string(req_conf,NULL,"oid_file");
 489                 if (p == NULL)
 490                         ERR_clear_error();
 491                 if (p != NULL)
 492                         {
 493                         BIO *oid_bio;
 494
 495                         oid_bio=BIO_new_file(p,"r");
 496                         if (oid_bio == NULL)
 497                                 {
 498                                 /*
 499                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 500                                 ERR_print_errors(bio_err);
 501                                 */
 502                                 }
 503                         else
 504                                 {
 505                                 OBJ_create_objects(oid_bio);
 506                                 BIO_free(oid_bio);
 507                                 }
 508                         }
 509                 }
 510         if(!add_oid_section(bio_err, req_conf)) goto end;
 511
 512         if (md_alg == NULL)
 513                 {
 514                 p=CONF_get_string(req_conf,SECTION,"default_md");
 515                 if (p == NULL)
 516                         ERR_clear_error();
 517                 if (p != NULL)
 518                         {
 519                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 520                                 digest=md_alg;
 521                         }
 522                 }
 523
 524         if (!extensions)
 525                 {
 526                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 527                 if (!extensions)
 528                         ERR_clear_error();
 529                 }
 530         if (extensions) {
 531                 /* Check syntax of file */
 532                 X509V3_CTX ctx;
 533                 X509V3_set_ctx_test(&ctx);
 534                 X509V3_set_conf_lhash(&ctx, req_conf);
 535                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
 536                         BIO_printf(bio_err,
 537                          "Error Loading extension section %s\n", extensions);
 538                         goto end;
 539                 }
 540         }
 541
 542         if(!passin)
 543                 {
 544                 passin = CONF_get_string(req_conf, SECTION, "input_password");
 545                 if (!passin)
 546                         ERR_clear_error();
 547                 }
 548
 549         if(!passout)
 550                 {
 551                 passout = CONF_get_string(req_conf, SECTION, "output_password");
 552                 if (!passout)
 553                         ERR_clear_error();
 554                 }
 555
 556         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
 557         if (!p)
 558                 ERR_clear_error();
 559
 560         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 561                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 562                 goto end;
 563         }
 564
 565         if(!req_exts)
 566                 {
 567                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 568                 if (!req_exts)
 569                         ERR_clear_error();
 570                 }
 571         if(req_exts) {
 572                 /* Check syntax of file */
 573                 X509V3_CTX ctx;
 574                 X509V3_set_ctx_test(&ctx);
 575                 X509V3_set_conf_lhash(&ctx, req_conf);
 576                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 577                         BIO_printf(bio_err,
 578                          "Error Loading request extension section %s\n",
 579                                                                 req_exts);
 580                         goto end;
 581                 }
 582         }
 583
 584         in=BIO_new(BIO_s_file());
 585         out=BIO_new(BIO_s_file());
 586         if ((in == NULL) || (out == NULL))
 587                 goto end;
 588
 589         if (engine != NULL)
 590                 {
 591                 if((e = ENGINE_by_id(engine)) == NULL)
 592                         {
 593                         BIO_printf(bio_err,"invalid engine \"%s\"\n",
 594                                 engine);
 595                         goto end;
 596                         }
 597                 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
 598                         {
 599                         BIO_printf(bio_err,"can't use that engine\n");
 600                         goto end;
 601                         }
 602                 BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
 603                 /* Free our "structural" reference. */
 604                 ENGINE_free(e);
 605                 }
 606
 607         if (keyfile != NULL)
 608                 {
 609                 if (keyform == FORMAT_ENGINE)
 610                         {
 611                         if (!e)
 612                                 {
 613                                 BIO_printf(bio_err,"no engine specified\n");
 614                                 goto end;
 615                                 }
 616                         pkey = ENGINE_load_private_key(e, keyfile, NULL);
 617                         }
 618                 else
 619                         {
 620                         if (BIO_read_filename(in,keyfile) <= 0)
 621                                 {
 622                                 perror(keyfile);
 623                                 goto end;
 624                                 }
 625
 626                         if (keyform == FORMAT_ASN1)
 627                                 pkey=d2i_PrivateKey_bio(in,NULL);
 628                         else if (keyform == FORMAT_PEM)
 629                                 {
 630                                 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,
 631                                         passin);
 632                                 }
 633                         else
 634                                 {
 635                                 BIO_printf(bio_err,"bad input format specified for X509 request\n");
 636                                 goto end;
 637                                 }
 638                         }
 639
 640                 if (pkey == NULL)
 641                         {
 642                         BIO_printf(bio_err,"unable to load Private key\n");
 643                         goto end;
 644                         }
 645                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 646                         {
 647                         char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 648                         if (randfile == NULL)
 649                                 ERR_clear_error();
 650                         app_RAND_load_file(randfile, bio_err, 0);
 651                         }
 652                 }
 653
 654         if (newreq && (pkey == NULL))
 655                 {
 656                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 657                 if (randfile == NULL)
 658                         ERR_clear_error();
 659                 app_RAND_load_file(randfile, bio_err, 0);
 660                 if (inrand)
 661                         app_RAND_load_files(inrand);
 662
 663                 if (newkey <= 0)
 664                         {
 665                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 666                         if (newkey <= 0)
 667                                 newkey=DEFAULT_KEY_LENGTH;
 668                         }
 669
 670                 if (newkey < MIN_KEY_LENGTH)
 671                         {
 672                         BIO_printf(bio_err,"private key length is too short,\n");
 673                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 674                         goto end;
 675                         }
 676                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 677                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 678
 679                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 680
 681 #ifndef OPENSSL_NO_RSA
 682                 if (pkey_type == TYPE_RSA)
 683                         {
 684                         if (!EVP_PKEY_assign_RSA(pkey,
 685                                 RSA_generate_key(newkey,0x10001,
 686                                         req_cb,bio_err)))
 687                                 goto end;
 688                         }
 689                 else
 690 #endif
 691 #ifndef OPENSSL_NO_DSA
 692                         if (pkey_type == TYPE_DSA)
 693                         {
 694                         if (!DSA_generate_key(dsa_params)) goto end;
 695                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 696                         dsa_params=NULL;
 697                         }
 698 #endif
 699
 700                 app_RAND_write_file(randfile, bio_err);
 701
 702                 if (pkey == NULL) goto end;
 703
 704                 if (keyout == NULL)
 705                         {
 706                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 707                         if (keyout == NULL)
 708                                 ERR_clear_error();
 709                         }
 710
 711                 if (keyout == NULL)
 712                         {
 713                         BIO_printf(bio_err,"writing new private key to stdout\n");
 714                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 715 #ifdef OPENSSL_SYS_VMS
 716                         {
 717                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 718                         out = BIO_push(tmpbio, out);
 719                         }
 720 #endif
 721                         }
 722                 else
 723                         {
 724                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 725                         if (BIO_write_filename(out,keyout) <= 0)
 726                                 {
 727                                 perror(keyout);
 728                                 goto end;
 729                                 }
 730                         }
 731
 732                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 733                 if (p == NULL)
 734                         {
 735                         ERR_clear_error();
 736                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 737                         if (p == NULL)
 738                                 ERR_clear_error();
 739                         }
 740                 if ((p != NULL) && (strcmp(p,"no") == 0))
 741                         cipher=NULL;
 742                 if (nodes) cipher=NULL;
 743
 744                 i=0;
 745 loop:
 746                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 747                         NULL,0,NULL,passout))
 748                         {
 749                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 750                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 751                                 {
 752                                 ERR_clear_error();
 753                                 i++;
 754                                 goto loop;
 755                                 }
 756                         goto end;
 757                         }
 758                 BIO_printf(bio_err,"-----\n");
 759                 }
 760
 761         if (!newreq)
 762                 {
 763                 /* Since we are using a pre-existing certificate
 764                  * request, the kludge 'format' info should not be
 765                  * changed. */
 766                 kludge= -1;
 767                 if (infile == NULL)
 768                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 769                 else
 770                         {
 771                         if (BIO_read_filename(in,infile) <= 0)
 772                                 {
 773                                 perror(infile);
 774                                 goto end;
 775                                 }
 776                         }
 777
 778                 if      (informat == FORMAT_ASN1)
 779                         req=d2i_X509_REQ_bio(in,NULL);
 780                 else if (informat == FORMAT_PEM)
 781                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 782                 else
 783                         {
 784                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 785                         goto end;
 786                         }
 787                 if (req == NULL)
 788                         {
 789                         BIO_printf(bio_err,"unable to load X509 request\n");
 790                         goto end;
 791                         }
 792                 }
 793
 794         if (newreq || x509)
 795                 {
 796                 if (pkey == NULL)
 797                         {
 798                         BIO_printf(bio_err,"you need to specify a private key\n");
 799                         goto end;
 800                         }
 801 #ifndef OPENSSL_NO_DSA
 802                 if (pkey->type == EVP_PKEY_DSA)
 803                         digest=EVP_dss1();
 804 #endif
 805                 if (req == NULL)
 806                         {
 807                         req=X509_REQ_new();
 808                         if (req == NULL)
 809                                 {
 810                                 goto end;
 811                                 }
 812
 813                         i=make_REQ(req,pkey,subj,!x509);
 814                         subj=NULL; /* done processing '-subj' option */
 815                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 816                                 {
 817                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 818                                 req->req_info->attributes = NULL;
 819                                 }
 820                         if (!i)
 821                                 {
 822                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 823                                 goto end;
 824                                 }
 825                         }
 826                 if (x509)
 827                         {
 828                         EVP_PKEY *tmppkey;
 829                         X509V3_CTX ext_ctx;
 830                         if ((x509ss=X509_new()) == NULL) goto end;
 831
 832                         /* Set version to V3 */
 833                         if(!X509_set_version(x509ss, 2)) goto end;
 834                         if (serial)
 835                                 X509_set_serialNumber(x509ss, serial);
 836                         else
 837                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 838
 839                         X509_set_issuer_name(x509ss,
 840                                 X509_REQ_get_subject_name(req));
 841                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 842                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 843                                 (long)60*60*24*days);
 844                         X509_set_subject_name(x509ss,
 845                                 X509_REQ_get_subject_name(req));
 846                         tmppkey = X509_REQ_get_pubkey(req);
 847                         X509_set_pubkey(x509ss,tmppkey);
 848                         EVP_PKEY_free(tmppkey);
 849
 850                         /* Set up V3 context struct */
 851
 852                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 853                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 854
 855                         /* Add extensions */
 856                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 857                                         &ext_ctx, extensions, x509ss))
 858                                 {
 859                                 BIO_printf(bio_err,
 860                                         "Error Loading extension section %s\n",
 861                                         extensions);
 862                                 goto end;
 863                                 }
 864
 865                         if (!(i=X509_sign(x509ss,pkey,digest)))
 866                                 goto end;
 867                         }
 868                 else
 869                         {
 870                         X509V3_CTX ext_ctx;
 871
 872                         /* Set up V3 context struct */
 873
 874                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 875                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 876
 877                         /* Add extensions */
 878                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 879                                         &ext_ctx, req_exts, req))
 880                                 {
 881                                 BIO_printf(bio_err,
 882                                         "Error Loading extension section %s\n",
 883                                         req_exts);
 884                                 goto end;
 885                                 }
 886                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 887                                 goto end;
 888                         }
 889                 }
 890
 891         if (subj && x509)
 892                 {
 893                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 894                 goto end;
 895                 }
 896
 897         if (subj && !x509)
 898                 {
 899                 if (verbose)
 900                         {
 901                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 902                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 903                         }
 904
 905                 if (build_subject(req, subj) == 0)
 906                         {
 907                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 908                         ex=1;
 909                         goto end;
 910                         }
 911
 912                 req->req_info->enc.modified = 1;
 913
 914                 if (verbose)
 915                         {
 916                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 917                         }
 918                 }
 919
 920         if (verify && !x509)
 921                 {
 922                 int tmp=0;
 923
 924                 if (pkey == NULL)
 925                         {
 926                         pkey=X509_REQ_get_pubkey(req);
 927                         tmp=1;
 928                         if (pkey == NULL) goto end;
 929                         }
 930
 931                 i=X509_REQ_verify(req,pkey);
 932                 if (tmp) {
 933                         EVP_PKEY_free(pkey);
 934                         pkey=NULL;
 935                 }
 936
 937                 if (i < 0)
 938                         {
 939                         goto end;
 940                         }
 941                 else if (i == 0)
 942                         {
 943                         BIO_printf(bio_err,"verify failure\n");
 944                         }
 945                 else /* if (i > 0) */
 946                         BIO_printf(bio_err,"verify OK\n");
 947                 }
 948
 949         if (noout && !text && !modulus && !subject)
 950                 {
 951                 ex=0;
 952                 goto end;
 953                 }
 954
 955         if (outfile == NULL)
 956                 {
 957                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 958 #ifdef OPENSSL_SYS_VMS
 959                 {
 960                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 961                 out = BIO_push(tmpbio, out);
 962                 }
 963 #endif
 964                 }
 965         else
 966                 {
 967                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 968                         i=(int)BIO_append_filename(out,outfile);
 969                 else
 970                         i=(int)BIO_write_filename(out,outfile);
 971                 if (!i)
 972                         {
 973                         perror(outfile);
 974                         goto end;
 975                         }
 976                 }
 977
 978         if (text)
 979                 {
 980                 if (x509)
 981                         X509_print(out,x509ss);
 982                 else
 983                         X509_REQ_print(out,req);
 984                 }
 985
 986         if(subject)
 987                 {
 988                 if(x509)
 989                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
 990                 else
 991                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
 992                 }
 993
 994         if (modulus)
 995                 {
 996                 EVP_PKEY *pubkey;
 997
 998                 if (x509)
 999                         pubkey=X509_get_pubkey(x509ss);
1000                 else
1001                         pubkey=X509_REQ_get_pubkey(req);
1002                 if (pubkey == NULL)
1003                         {
1004                         fprintf(stdout,"Modulus=unavailable\n");
1005                         goto end;
1006                         }
1007                 fprintf(stdout,"Modulus=");
1008 #ifndef OPENSSL_NO_RSA
1009                 if (pubkey->type == EVP_PKEY_RSA)
1010                         BN_print(out,pubkey->pkey.rsa->n);
1011                 else
1012 #endif
1013                         fprintf(stdout,"Wrong Algorithm type");
1014                 fprintf(stdout,"\n");
1015                 }
1016
1017         if (!noout && !x509)
1018                 {
1019                 if      (outformat == FORMAT_ASN1)
1020                         i=i2d_X509_REQ_bio(out,req);
1021                 else if (outformat == FORMAT_PEM) {
1022                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1023                         else i=PEM_write_bio_X509_REQ(out,req);
1024                 } else {
1025                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1026                         goto end;
1027                         }
1028                 if (!i)
1029                         {
1030                         BIO_printf(bio_err,"unable to write X509 request\n");
1031                         goto end;
1032                         }
1033                 }
1034         if (!noout && x509 && (x509ss != NULL))
1035                 {
1036                 if      (outformat == FORMAT_ASN1)
1037                         i=i2d_X509_bio(out,x509ss);
1038                 else if (outformat == FORMAT_PEM)
1039                         i=PEM_write_bio_X509(out,x509ss);
1040                 else    {
1041                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1042                         goto end;
1043                         }
1044                 if (!i)
1045                         {
1046                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1047                         goto end;
1048                         }
1049                 }
1050         ex=0;
1051 end:
1052         if (ex)
1053                 {
1054                 ERR_print_errors(bio_err);
1055                 }
1056         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
1057         BIO_free(in);
1058         BIO_free_all(out);
1059         EVP_PKEY_free(pkey);
1060         X509_REQ_free(req);
1061         X509_free(x509ss);
1062         ASN1_INTEGER_free(serial);
1063         if(passargin && passin) OPENSSL_free(passin);
1064         if(passargout && passout) OPENSSL_free(passout);
1065         OBJ_cleanup();
1066 #ifndef OPENSSL_NO_DSA
1067         if (dsa_params != NULL) DSA_free(dsa_params);
1068 #endif
1069         EXIT(ex);
1070         }
1071
1072 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs)
1073         {
1074         int ret=0,i;
1075         char no_prompt = 0;
1076         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1077         char *tmp, *dn_sect,*attr_sect;
1078
1079         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
1080         if (tmp == NULL)
1081                 ERR_clear_error();
1082         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1083
1084         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1085         if (dn_sect == NULL)
1086                 {
1087                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1088                         DISTINGUISHED_NAME);
1089                 goto err;
1090                 }
1091         dn_sk=CONF_get_section(req_conf,dn_sect);
1092         if (dn_sk == NULL)
1093                 {
1094                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1095                 goto err;
1096                 }
1097
1098         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
1099         if (attr_sect == NULL)
1100                 {
1101                 ERR_clear_error();
1102                 attr_sk=NULL;
1103                 }
1104         else
1105                 {
1106                 attr_sk=CONF_get_section(req_conf,attr_sect);
1107                 if (attr_sk == NULL)
1108                         {
1109                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1110                         goto err;
1111                         }
1112                 }
1113
1114         /* setup version number */
1115         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1116
1117         if (no_prompt)
1118                 i = auto_info(req, dn_sk, attr_sk, attribs);
1119         else
1120                 {
1121                 if (subj)
1122                         i = build_subject(req, subj);
1123                 else
1124                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
1125                 }
1126         if(!i) goto err;
1127
1128         X509_REQ_set_pubkey(req,pkey);
1129
1130         ret=1;
1131 err:
1132         return(ret);
1133         }
1134
1135 static int build_subject(X509_REQ *req, char *subject)
1136         {
1137         X509_NAME *n = NULL;
1138
1139         int i, nid, ne_num=0;
1140
1141         char *ne_name = NULL;
1142         char *ne_value = NULL;
1143
1144         char *tmp = NULL;
1145         char *p[2];
1146
1147         char *str_list[256];
1148
1149         p[0] = ",/";
1150         p[1] = "=";
1151
1152         n = X509_NAME_new();
1153
1154         tmp = strtok(subject, p[0]);
1155         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1156                 {
1157                 char *token = tmp;
1158
1159                 while (token[0] == ' ')
1160                         token++;
1161                 str_list[ne_num] = token;
1162
1163                 tmp = strtok(NULL, p[0]);
1164                 ne_num++;
1165                 }
1166
1167         for(i = 0; i < ne_num; i++)
1168                 {
1169                 ne_name  = strtok(str_list[i], p[1]);
1170                 ne_value = strtok(NULL, p[1]);
1171
1172                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1173                         {
1174                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1175                         continue;
1176                         }
1177
1178                 if (ne_value == NULL)
1179                         {
1180                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1181                         continue;
1182                         }
1183
1184                 if (!X509_NAME_add_entry_by_NID(n, nid, MBSTRING_ASC, (unsigned char*)ne_value, -1,-1,0))
1185                         {
1186                         X509_NAME_free(n);
1187                         return 0;
1188                         }
1189                 }
1190
1191         if (!X509_REQ_set_subject_name(req, n))
1192                 return 0;
1193         X509_NAME_free(n);
1194         return 1;
1195 }
1196
1197
1198 static int prompt_info(X509_REQ *req,
1199                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1200                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
1201         {
1202         int i;
1203         char *p,*q;
1204         char buf[100];
1205         int nid,min,max;
1206         char *type,*def,*value;
1207         CONF_VALUE *v;
1208         X509_NAME *subj;
1209         subj = X509_REQ_get_subject_name(req);
1210
1211         if(!batch)
1212                 {
1213                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1214                 BIO_printf(bio_err,"into your certificate request.\n");
1215                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1216                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1217                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1218                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1219                 BIO_printf(bio_err,"-----\n");
1220                 }
1221
1222
1223         if (sk_CONF_VALUE_num(dn_sk))
1224                 {
1225                 i= -1;
1226 start:          for (;;)
1227                         {
1228                         i++;
1229                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1230
1231                         v=sk_CONF_VALUE_value(dn_sk,i);
1232                         p=q=NULL;
1233                         type=v->name;
1234                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1235                                 !check_end(type,"_default") ||
1236                                          !check_end(type,"_value")) continue;
1237                         /* Skip past any leading X. X: X, etc to allow for
1238                          * multiple instances
1239                          */
1240                         for(p = v->name; *p ; p++)
1241                                 if ((*p == ':') || (*p == ',') ||
1242                                                          (*p == '.')) {
1243                                         p++;
1244                                         if(*p) type = p;
1245                                         break;
1246                                 }
1247                         /* If OBJ not recognised ignore it */
1248                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1249                         sprintf(buf,"%s_default",v->name);
1250                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1251                                 {
1252                                 ERR_clear_error();
1253                                 def="";
1254                                 }
1255
1256                         sprintf(buf,"%s_value",v->name);
1257                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1258                                 {
1259                                 ERR_clear_error();
1260                                 value=NULL;
1261                                 }
1262
1263                         sprintf(buf,"%s_min",v->name);
1264                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1265
1266                         sprintf(buf,"%s_max",v->name);
1267                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1268
1269                         if (!add_DN_object(subj,v->value,def,value,nid,
1270                                 min,max))
1271                                 return 0;
1272                         }
1273                 if (X509_NAME_entry_count(subj) == 0)
1274                         {
1275                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1276                         return 0;
1277                         }
1278
1279                 if (attribs)
1280                         {
1281                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1282                                 {
1283                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1284                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1285                                 }
1286
1287                         i= -1;
1288 start2:                 for (;;)
1289                                 {
1290                                 i++;
1291                                 if ((attr_sk == NULL) ||
1292                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1293                                         break;
1294
1295                                 v=sk_CONF_VALUE_value(attr_sk,i);
1296                                 type=v->name;
1297                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1298                                         goto start2;
1299
1300                                 sprintf(buf,"%s_default",type);
1301                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1302                                         == NULL)
1303                                         {
1304                                         ERR_clear_error();
1305                                         def="";
1306                                         }
1307
1308
1309                                 sprintf(buf,"%s_value",type);
1310                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1311                                         == NULL)
1312                                         {
1313                                         ERR_clear_error();
1314                                         value=NULL;
1315                                         }
1316
1317                                 sprintf(buf,"%s_min",type);
1318                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1319
1320                                 sprintf(buf,"%s_max",type);
1321                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1322
1323                                 if (!add_attribute_object(req,
1324                                         v->value,def,value,nid,min,max))
1325                                         return 0;
1326                                 }
1327                         }
1328                 }
1329         else
1330                 {
1331                 BIO_printf(bio_err,"No template, please set one up.\n");
1332                 return 0;
1333                 }
1334
1335         return 1;
1336
1337         }
1338
1339 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1340                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1341         {
1342         int i;
1343         char *p,*q;
1344         char *type;
1345         CONF_VALUE *v;
1346         X509_NAME *subj;
1347
1348         subj = X509_REQ_get_subject_name(req);
1349
1350         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1351                 {
1352                 v=sk_CONF_VALUE_value(dn_sk,i);
1353                 p=q=NULL;
1354                 type=v->name;
1355                 /* Skip past any leading X. X: X, etc to allow for
1356                  * multiple instances
1357                  */
1358                 for(p = v->name; *p ; p++)
1359 #ifndef CHARSET_EBCDIC
1360                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1361 #else
1362                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1363 #endif
1364                                 p++;
1365                                 if(*p) type = p;
1366                                 break;
1367                         }
1368                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1369                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1370
1371                 }
1372
1373                 if (!X509_NAME_entry_count(subj))
1374                         {
1375                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1376                         return 0;
1377                         }
1378                 if (attribs)
1379                         {
1380                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1381                                 {
1382                                 v=sk_CONF_VALUE_value(attr_sk,i);
1383                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC,
1384                                         (unsigned char *)v->value, -1)) return 0;
1385                                 }
1386                         }
1387         return 1;
1388         }
1389
1390
1391 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1392              int nid, int min, int max)
1393         {
1394         int i,ret=0;
1395         MS_STATIC char buf[1024];
1396 start:
1397         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1398         (void)BIO_flush(bio_err);
1399         if(value != NULL)
1400                 {
1401                 strcpy(buf,value);
1402                 strcat(buf,"\n");
1403                 BIO_printf(bio_err,"%s\n",value);
1404                 }
1405         else
1406                 {
1407                 buf[0]='\0';
1408                 if (!batch)
1409                         {
1410                         fgets(buf,1024,stdin);
1411                         }
1412                 else
1413                         {
1414                         buf[0] = '\n';
1415                         buf[1] = '\0';
1416                         }
1417                 }
1418
1419         if (buf[0] == '\0') return(0);
1420         else if (buf[0] == '\n')
1421                 {
1422                 if ((def == NULL) || (def[0] == '\0'))
1423                         return(1);
1424                 strcpy(buf,def);
1425                 strcat(buf,"\n");
1426                 }
1427         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1428
1429         i=strlen(buf);
1430         if (buf[i-1] != '\n')
1431                 {
1432                 BIO_printf(bio_err,"weird input :-(\n");
1433                 return(0);
1434                 }
1435         buf[--i]='\0';
1436 #ifdef CHARSET_EBCDIC
1437         ebcdic2ascii(buf, buf, i);
1438 #endif
1439         if(!req_check_len(i, min, max)) goto start;
1440         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1441                                 (unsigned char *) buf, -1,-1,0)) goto err;
1442         ret=1;
1443 err:
1444         return(ret);
1445         }
1446
1447 static int add_attribute_object(X509_REQ *req, char *text,
1448                                 char *def, char *value, int nid, int min,
1449                                 int max)
1450         {
1451         int i;
1452         static char buf[1024];
1453
1454 start:
1455         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1456         (void)BIO_flush(bio_err);
1457         if (value != NULL)
1458                 {
1459                 strcpy(buf,value);
1460                 strcat(buf,"\n");
1461                 BIO_printf(bio_err,"%s\n",value);
1462                 }
1463         else
1464                 {
1465                 buf[0]='\0';
1466                 if (!batch)
1467                         {
1468                         fgets(buf,1024,stdin);
1469                         }
1470                 else
1471                         {
1472                         buf[0] = '\n';
1473                         buf[1] = '\0';
1474                         }
1475                 }
1476
1477         if (buf[0] == '\0') return(0);
1478         else if (buf[0] == '\n')
1479                 {
1480                 if ((def == NULL) || (def[0] == '\0'))
1481                         return(1);
1482                 strcpy(buf,def);
1483                 strcat(buf,"\n");
1484                 }
1485         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1486
1487         i=strlen(buf);
1488         if (buf[i-1] != '\n')
1489                 {
1490                 BIO_printf(bio_err,"weird input :-(\n");
1491                 return(0);
1492                 }
1493         buf[--i]='\0';
1494 #ifdef CHARSET_EBCDIC
1495         ebcdic2ascii(buf, buf, i);
1496 #endif
1497         if(!req_check_len(i, min, max)) goto start;
1498
1499         if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC,
1500                                         (unsigned char *)buf, -1)) {
1501                 BIO_printf(bio_err, "Error adding attribute\n");
1502                 ERR_print_errors(bio_err);
1503                 goto err;
1504         }
1505
1506         return(1);
1507 err:
1508         return(0);
1509         }
1510
1511 #ifndef OPENSSL_NO_RSA
1512 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1513         {
1514         char c='*';
1515
1516         if (p == 0) c='.';
1517         if (p == 1) c='+';
1518         if (p == 2) c='*';
1519         if (p == 3) c='\n';
1520         BIO_write((BIO *)arg,&c,1);
1521         (void)BIO_flush((BIO *)arg);
1522 #ifdef LINT
1523         p=n;
1524 #endif
1525         }
1526 #endif
1527
1528 static int req_check_len(int len, int min, int max)
1529         {
1530         if (len < min)
1531                 {
1532                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1533                 return(0);
1534                 }
1535         if ((max != 0) && (len > max))
1536                 {
1537                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1538                 return(0);
1539                 }
1540         return(1);
1541         }
1542
1543 /* Check if the end of a string matches 'end' */
1544 static int check_end(char *str, char *end)
1545 {
1546         int elen, slen;
1547         char *tmp;
1548         elen = strlen(end);
1549         slen = strlen(str);
1550         if(elen > slen) return 1;
1551         tmp = str + slen - elen;
1552         return strcmp(tmp, end);
1553 }