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