apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/evp.h>
  69 #include <openssl/conf.h>
  70 #include <openssl/err.h>
  71 #include <openssl/asn1.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define PROMPT          "prompt"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85 #define REQ_EXTENSIONS  "req_extensions"
  86 #define STRING_MASK     "string_mask"
  87 #define UTF8_IN         "utf8"
  88
  89 #define DEFAULT_KEY_LENGTH      512
  90 #define MIN_KEY_LENGTH          384
  91
  92 #undef PROG
  93 #define PROG    req_main
  94
  95 /* -inform arg  - input format - default PEM (DER or PEM)
  96  * -outform arg - output format - default PEM
  97  * -in arg      - input file - default stdin
  98  * -out arg     - output file - default stdout
  99  * -verify      - check request signature
 100  * -noout       - don't print stuff out.
 101  * -text        - print out human readable text.
 102  * -nodes       - no des encryption
 103  * -config file - Load configuration file.
 104  * -key file    - make a request using key in file (or use it for verification).
 105  * -keyform arg - key file format.
 106  * -rand file(s) - load the file(s) into the PRNG.
 107  * -newkey      - make a key and a request.
 108  * -modulus     - print RSA modulus.
 109  * -pubkey      - output Public Key.
 110  * -x509        - output a self signed X509 structure instead.
 111  * -asn1-kludge - output new certificate request in a format that some CA's
 112  *                require.  This format is wrong
 113  */
 114
 115 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 116                 unsigned long chtype);
 117 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 118 static int prompt_info(X509_REQ *req,
 119                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 120                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 121                 unsigned long chtype);
 122 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 123                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 124                                 unsigned long chtype);
 125 static int add_attribute_object(X509_REQ *req, char *text,
 126                                 char *def, char *value, int nid, int n_min,
 127                                 int n_max, unsigned long chtype);
 128 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 129         int nid,int n_min,int n_max, unsigned long chtype);
 130 #ifndef OPENSSL_NO_RSA
 131 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 132 #endif
 133 static int req_check_len(int len,int n_min,int n_max);
 134 static int check_end(char *str, char *end);
 135 #ifndef MONOLITH
 136 static char *default_config_file=NULL;
 137 static CONF *config=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145 #define TYPE_EC         4
 146
 147 int MAIN(int, char **);
 148
 149 int MAIN(int argc, char **argv)
 150         {
 151         ENGINE *e = NULL;
 152 #ifndef OPENSSL_NO_DSA
 153         DSA *dsa_params=NULL;
 154 #endif
 155 #ifndef OPENSSL_NO_EC
 156         EC_KEY *ec_params = NULL;
 157 #endif
 158         unsigned long nmflag = 0;
 159         int ex=1,x509=0,days=30;
 160         X509 *x509ss=NULL;
 161         X509_REQ *req=NULL;
 162         EVP_PKEY *pkey=NULL;
 163         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 164         long newkey = -1;
 165         BIO *in=NULL,*out=NULL;
 166         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 167         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 168         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 169         char *engine=NULL;
 170         char *extensions = NULL;
 171         char *req_exts = NULL;
 172         const EVP_CIPHER *cipher=NULL;
 173         ASN1_INTEGER *serial = NULL;
 174         int modulus=0;
 175         char *inrand=NULL;
 176         char *passargin = NULL, *passargout = NULL;
 177         char *passin = NULL, *passout = NULL;
 178         char *p;
 179         char *subj = NULL;
 180         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 181         unsigned long chtype = MBSTRING_ASC;
 182 #ifndef MONOLITH
 183         MS_STATIC char config_name[256];
 184         long errline;
 185 #endif
 186
 187         req_conf = NULL;
 188 #ifndef OPENSSL_NO_DES
 189         cipher=EVP_des_ede3_cbc();
 190 #endif
 191         apps_startup();
 192
 193         if (bio_err == NULL)
 194                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 195                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 196
 197         infile=NULL;
 198         outfile=NULL;
 199         informat=FORMAT_PEM;
 200         outformat=FORMAT_PEM;
 201
 202         prog=argv[0];
 203         argc--;
 204         argv++;
 205         while (argc >= 1)
 206                 {
 207                 if      (strcmp(*argv,"-inform") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         informat=str2fmt(*(++argv));
 211                         }
 212                 else if (strcmp(*argv,"-outform") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         outformat=str2fmt(*(++argv));
 216                         }
 217                 else if (strcmp(*argv,"-engine") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         engine= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-key") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         keyfile= *(++argv);
 226                         }
 227                 else if (strcmp(*argv,"-pubkey") == 0)
 228                         {
 229                         pubkey=1;
 230                         }
 231                 else if (strcmp(*argv,"-new") == 0)
 232                         {
 233                         newreq=1;
 234                         }
 235                 else if (strcmp(*argv,"-config") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         template= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-keyform") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         keyform=str2fmt(*(++argv));
 244                         }
 245                 else if (strcmp(*argv,"-in") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         infile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-out") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         outfile= *(++argv);
 254                         }
 255                 else if (strcmp(*argv,"-keyout") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         keyout= *(++argv);
 259                         }
 260                 else if (strcmp(*argv,"-passin") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         passargin= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-passout") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         passargout= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-rand") == 0)
 271                         {
 272                         if (--argc < 1) goto bad;
 273                         inrand= *(++argv);
 274                         }
 275                 else if (strcmp(*argv,"-newkey") == 0)
 276                         {
 277                         int is_numeric;
 278
 279                         if (--argc < 1) goto bad;
 280                         p= *(++argv);
 281                         is_numeric = p[0] >= '0' && p[0] <= '9';
 282                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 283                                 {
 284                                 pkey_type=TYPE_RSA;
 285                                 if(!is_numeric)
 286                                     p+=4;
 287                                 newkey= atoi(p);
 288                                 }
 289                         else
 290 #ifndef OPENSSL_NO_DSA
 291                                 if (strncmp("dsa:",p,4) == 0)
 292                                 {
 293                                 X509 *xtmp=NULL;
 294                                 EVP_PKEY *dtmp;
 295
 296                                 pkey_type=TYPE_DSA;
 297                                 p+=4;
 298                                 if ((in=BIO_new_file(p,"r")) == NULL)
 299                                         {
 300                                         perror(p);
 301                                         goto end;
 302                                         }
 303                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 304                                         {
 305                                         ERR_clear_error();
 306                                         (void)BIO_reset(in);
 307                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 308                                                 {
 309                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 310                                                 goto end;
 311                                                 }
 312
 313                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 314                                         if (dtmp->type == EVP_PKEY_DSA)
 315                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 316                                         EVP_PKEY_free(dtmp);
 317                                         X509_free(xtmp);
 318                                         if (dsa_params == NULL)
 319                                                 {
 320                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 321                                                 goto end;
 322                                                 }
 323                                         }
 324                                 BIO_free(in);
 325                                 in=NULL;
 326                                 newkey=BN_num_bits(dsa_params->p);
 327                                 }
 328                         else
 329 #endif
 330 #ifndef OPENSSL_NO_EC
 331                                 if (strncmp("ecdsa:",p,4) == 0)
 332                                 {
 333                                 X509 *xtmp=NULL;
 334                                 EVP_PKEY *dtmp;
 335
 336                                 pkey_type=TYPE_EC;
 337                                 p+=6;
 338                                 if ((in=BIO_new_file(p,"r")) == NULL)
 339                                         {
 340                                         perror(p);
 341                                         goto end;
 342                                         }
 343                                 if ((ec_params = EC_KEY_new()) == NULL)
 344                                         goto end;
 345                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 346                                         {
 347                                         if (ec_params)
 348                                                 EC_KEY_free(ec_params);
 349                                         ERR_clear_error();
 350                                         (void)BIO_reset(in);
 351                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 352                                                 {
 353                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 354                                                 goto end;
 355                                                 }
 356
 357                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 358                                         if (dtmp->type == EVP_PKEY_EC)
 359                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 360                                         EVP_PKEY_free(dtmp);
 361                                         X509_free(xtmp);
 362                                         if (ec_params == NULL)
 363                                                 {
 364                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 365                                                 goto end;
 366                                                 }
 367                                         }
 368
 369                                 BIO_free(in);
 370                                 in=NULL;
 371
 372                                 {
 373                                 BIGNUM *order = BN_new();
 374
 375                                 if (!order)
 376                                         goto end;
 377                                 if (!EC_GROUP_get_order(ec_params->group, order, NULL))
 378                                         goto end;
 379                                 newkey = BN_num_bits(order);
 380                                 BN_free(order);
 381                                 }
 382
 383                                 }
 384                         else
 385 #endif
 386 #ifndef OPENSSL_NO_DH
 387                                 if (strncmp("dh:",p,4) == 0)
 388                                 {
 389                                 pkey_type=TYPE_DH;
 390                                 p+=3;
 391                                 }
 392                         else
 393 #endif
 394                                 pkey_type=TYPE_RSA;
 395
 396                         newreq=1;
 397                         }
 398                 else if (strcmp(*argv,"-batch") == 0)
 399                         batch=1;
 400                 else if (strcmp(*argv,"-newhdr") == 0)
 401                         newhdr=1;
 402                 else if (strcmp(*argv,"-modulus") == 0)
 403                         modulus=1;
 404                 else if (strcmp(*argv,"-verify") == 0)
 405                         verify=1;
 406                 else if (strcmp(*argv,"-nodes") == 0)
 407                         nodes=1;
 408                 else if (strcmp(*argv,"-noout") == 0)
 409                         noout=1;
 410                 else if (strcmp(*argv,"-verbose") == 0)
 411                         verbose=1;
 412                 else if (strcmp(*argv,"-utf8") == 0)
 413                         chtype = MBSTRING_UTF8;
 414                 else if (strcmp(*argv,"-nameopt") == 0)
 415                         {
 416                         if (--argc < 1) goto bad;
 417                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 418                         }
 419                 else if (strcmp(*argv,"-subject") == 0)
 420                         subject=1;
 421                 else if (strcmp(*argv,"-text") == 0)
 422                         text=1;
 423                 else if (strcmp(*argv,"-x509") == 0)
 424                         x509=1;
 425                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 426                         kludge=1;
 427                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 428                         kludge=0;
 429                 else if (strcmp(*argv,"-subj") == 0)
 430                         {
 431                         if (--argc < 1) goto bad;
 432                         subj= *(++argv);
 433                         }
 434                 else if (strcmp(*argv,"-days") == 0)
 435                         {
 436                         if (--argc < 1) goto bad;
 437                         days= atoi(*(++argv));
 438                         if (days == 0) days=30;
 439                         }
 440                 else if (strcmp(*argv,"-set_serial") == 0)
 441                         {
 442                         if (--argc < 1) goto bad;
 443                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 444                         if (!serial) goto bad;
 445                         }
 446                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 447                         {
 448                         /* ok */
 449                         digest=md_alg;
 450                         }
 451                 else if (strcmp(*argv,"-extensions") == 0)
 452                         {
 453                         if (--argc < 1) goto bad;
 454                         extensions = *(++argv);
 455                         }
 456                 else if (strcmp(*argv,"-reqexts") == 0)
 457                         {
 458                         if (--argc < 1) goto bad;
 459                         req_exts = *(++argv);
 460                         }
 461                 else
 462                         {
 463                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 464                         badops=1;
 465                         break;
 466                         }
 467                 argc--;
 468                 argv++;
 469                 }
 470
 471         if (badops)
 472                 {
 473 bad:
 474                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 475                 BIO_printf(bio_err,"where options  are\n");
 476                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 477                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 478                 BIO_printf(bio_err," -in arg        input file\n");
 479                 BIO_printf(bio_err," -out arg       output file\n");
 480                 BIO_printf(bio_err," -text          text form of request\n");
 481                 BIO_printf(bio_err," -pubkey        output public key\n");
 482                 BIO_printf(bio_err," -noout         do not output REQ\n");
 483                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 484                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 485                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 486                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 487                 BIO_printf(bio_err," -subject       output the request's subject\n");
 488                 BIO_printf(bio_err," -passin        private key password source\n");
 489                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 490                 BIO_printf(bio_err," -keyform arg   key file format\n");
 491                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 492                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 493                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 494                 BIO_printf(bio_err,"                the random number generator\n");
 495                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 496                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 497                 BIO_printf(bio_err," -newkey ecdsa:file generate a new ECDSA key, parameters taken from CA in 'file'\n");
 498                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 499                 BIO_printf(bio_err," -config file   request template file.\n");
 500                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 501                 BIO_printf(bio_err," -new           new request.\n");
 502                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 503                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 504                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 505                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 506                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 507                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 508                 BIO_printf(bio_err,"                have been reported as requiring\n");
 509                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 510                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 511                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 512                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 513                 goto end;
 514                 }
 515
 516         ERR_load_crypto_strings();
 517         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 518                 BIO_printf(bio_err, "Error getting passwords\n");
 519                 goto end;
 520         }
 521
 522 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 523         /* Lets load up our environment a little */
 524         p=getenv("OPENSSL_CONF");
 525         if (p == NULL)
 526                 p=getenv("SSLEAY_CONF");
 527         if (p == NULL)
 528                 {
 529                 strcpy(config_name,X509_get_default_cert_area());
 530 #ifndef OPENSSL_SYS_VMS
 531                 strcat(config_name,"/");
 532 #endif
 533                 strcat(config_name,OPENSSL_CONF);
 534                 p=config_name;
 535                 }
 536         default_config_file=p;
 537         config=NCONF_new(NULL);
 538         i=NCONF_load(config, p, &errline);
 539 #endif
 540
 541         if (template != NULL)
 542                 {
 543                 long errline;
 544
 545                 if( verbose )
 546                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 547                 req_conf=NCONF_new(NULL);
 548                 i=NCONF_load(req_conf,template,&errline);
 549                 if (i == 0)
 550                         {
 551                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 552                         goto end;
 553                         }
 554                 }
 555         else
 556                 {
 557                 req_conf=config;
 558                 if( verbose )
 559                         BIO_printf(bio_err,"Using configuration from %s\n",
 560                         default_config_file);
 561                 if (req_conf == NULL)
 562                         {
 563                         BIO_printf(bio_err,"Unable to load config info\n");
 564                         }
 565                 }
 566
 567         if (req_conf != NULL)
 568                 {
 569                 if (!load_config(bio_err, req_conf))
 570                         goto end;
 571                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 572                 if (p == NULL)
 573                         ERR_clear_error();
 574                 if (p != NULL)
 575                         {
 576                         BIO *oid_bio;
 577
 578                         oid_bio=BIO_new_file(p,"r");
 579                         if (oid_bio == NULL)
 580                                 {
 581                                 /*
 582                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 583                                 ERR_print_errors(bio_err);
 584                                 */
 585                                 }
 586                         else
 587                                 {
 588                                 OBJ_create_objects(oid_bio);
 589                                 BIO_free(oid_bio);
 590                                 }
 591                         }
 592                 }
 593         if(!add_oid_section(bio_err, req_conf)) goto end;
 594
 595         if (md_alg == NULL)
 596                 {
 597                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 598                 if (p == NULL)
 599                         ERR_clear_error();
 600                 if (p != NULL)
 601                         {
 602                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 603                                 digest=md_alg;
 604                         }
 605                 }
 606
 607         if (!extensions)
 608                 {
 609                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 610                 if (!extensions)
 611                         ERR_clear_error();
 612                 }
 613         if (extensions) {
 614                 /* Check syntax of file */
 615                 X509V3_CTX ctx;
 616                 X509V3_set_ctx_test(&ctx);
 617                 X509V3_set_nconf(&ctx, req_conf);
 618                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 619                         BIO_printf(bio_err,
 620                          "Error Loading extension section %s\n", extensions);
 621                         goto end;
 622                 }
 623         }
 624
 625         if(!passin)
 626                 {
 627                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 628                 if (!passin)
 629                         ERR_clear_error();
 630                 }
 631
 632         if(!passout)
 633                 {
 634                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 635                 if (!passout)
 636                         ERR_clear_error();
 637                 }
 638
 639         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 640         if (!p)
 641                 ERR_clear_error();
 642
 643         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 644                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 645                 goto end;
 646         }
 647
 648         if (chtype != MBSTRING_UTF8)
 649                 {
 650                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 651                 if (!p)
 652                         ERR_clear_error();
 653                 else if (!strcmp(p, "yes"))
 654                         chtype = MBSTRING_UTF8;
 655                 }
 656
 657
 658         if(!req_exts)
 659                 {
 660                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 661                 if (!req_exts)
 662                         ERR_clear_error();
 663                 }
 664         if(req_exts) {
 665                 /* Check syntax of file */
 666                 X509V3_CTX ctx;
 667                 X509V3_set_ctx_test(&ctx);
 668                 X509V3_set_nconf(&ctx, req_conf);
 669                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 670                         BIO_printf(bio_err,
 671                          "Error Loading request extension section %s\n",
 672                                                                 req_exts);
 673                         goto end;
 674                 }
 675         }
 676
 677         in=BIO_new(BIO_s_file());
 678         out=BIO_new(BIO_s_file());
 679         if ((in == NULL) || (out == NULL))
 680                 goto end;
 681
 682         e = setup_engine(bio_err, engine, 0);
 683
 684         if (keyfile != NULL)
 685                 {
 686                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 687                         "Private Key");
 688                 if (!pkey)
 689                         {
 690                         /* load_key() has already printed an appropriate
 691                            message */
 692                         goto end;
 693                         }
 694                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || EVP_PKEY_type(pkey->type) == EVP_PKEY_ECDSA)
 695                         {
 696                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 697                         if (randfile == NULL)
 698                                 ERR_clear_error();
 699                         app_RAND_load_file(randfile, bio_err, 0);
 700                         }
 701                 }
 702
 703         if (newreq && (pkey == NULL))
 704                 {
 705                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 706                 if (randfile == NULL)
 707                         ERR_clear_error();
 708                 app_RAND_load_file(randfile, bio_err, 0);
 709                 if (inrand)
 710                         app_RAND_load_files(inrand);
 711
 712                 if (newkey <= 0)
 713                         {
 714                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 715                                 newkey=DEFAULT_KEY_LENGTH;
 716                         }
 717
 718                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 719                 /* TODO: appropriate minimal keylength for the different algorithm (esp. ECDSA) */
 720                         {
 721                         BIO_printf(bio_err,"private key length is too short,\n");
 722                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 723                         goto end;
 724                         }
 725                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 726                         newkey,(pkey_type == TYPE_RSA)?"RSA":(pkey_type == TYPE_DSA)?"DSA":"ECDSA");
 727
 728                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 729
 730 #ifndef OPENSSL_NO_RSA
 731                 if (pkey_type == TYPE_RSA)
 732                         {
 733                         if (!EVP_PKEY_assign_RSA(pkey,
 734                                 RSA_generate_key(newkey,0x10001,
 735                                         req_cb,bio_err)))
 736                                 goto end;
 737                         }
 738                 else
 739 #endif
 740 #ifndef OPENSSL_NO_DSA
 741                         if (pkey_type == TYPE_DSA)
 742                         {
 743                         if (!DSA_generate_key(dsa_params)) goto end;
 744                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 745                         dsa_params=NULL;
 746                         }
 747 #endif
 748 #ifndef OPENSSL_NO_EC
 749                         if (pkey_type == TYPE_EC)
 750                         {
 751                         if (!EC_KEY_generate_key(ec_params)) goto end;
 752                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 753                                 goto end;
 754                         ec_params = NULL;
 755                         }
 756 #endif
 757
 758                 app_RAND_write_file(randfile, bio_err);
 759
 760                 if (pkey == NULL) goto end;
 761
 762                 if (keyout == NULL)
 763                         {
 764                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 765                         if (keyout == NULL)
 766                                 ERR_clear_error();
 767                         }
 768
 769                 if (keyout == NULL)
 770                         {
 771                         BIO_printf(bio_err,"writing new private key to stdout\n");
 772                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 773 #ifdef OPENSSL_SYS_VMS
 774                         {
 775                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 776                         out = BIO_push(tmpbio, out);
 777                         }
 778 #endif
 779                         }
 780                 else
 781                         {
 782                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 783                         if (BIO_write_filename(out,keyout) <= 0)
 784                                 {
 785                                 perror(keyout);
 786                                 goto end;
 787                                 }
 788                         }
 789
 790                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 791                 if (p == NULL)
 792                         {
 793                         ERR_clear_error();
 794                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 795                         if (p == NULL)
 796                                 ERR_clear_error();
 797                         }
 798                 if ((p != NULL) && (strcmp(p,"no") == 0))
 799                         cipher=NULL;
 800                 if (nodes) cipher=NULL;
 801
 802                 i=0;
 803 loop:
 804                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 805                         NULL,0,NULL,passout))
 806                         {
 807                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 808                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 809                                 {
 810                                 ERR_clear_error();
 811                                 i++;
 812                                 goto loop;
 813                                 }
 814                         goto end;
 815                         }
 816                 BIO_printf(bio_err,"-----\n");
 817                 }
 818
 819         if (!newreq)
 820                 {
 821                 /* Since we are using a pre-existing certificate
 822                  * request, the kludge 'format' info should not be
 823                  * changed. */
 824                 kludge= -1;
 825                 if (infile == NULL)
 826                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 827                 else
 828                         {
 829                         if (BIO_read_filename(in,infile) <= 0)
 830                                 {
 831                                 perror(infile);
 832                                 goto end;
 833                                 }
 834                         }
 835
 836                 if      (informat == FORMAT_ASN1)
 837                         req=d2i_X509_REQ_bio(in,NULL);
 838                 else if (informat == FORMAT_PEM)
 839                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 840                 else
 841                         {
 842                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 843                         goto end;
 844                         }
 845                 if (req == NULL)
 846                         {
 847                         BIO_printf(bio_err,"unable to load X509 request\n");
 848                         goto end;
 849                         }
 850                 }
 851
 852         if (newreq || x509)
 853                 {
 854                 if (pkey == NULL)
 855                         {
 856                         BIO_printf(bio_err,"you need to specify a private key\n");
 857                         goto end;
 858                         }
 859 #ifndef OPENSSL_NO_DSA
 860                 if (pkey->type == EVP_PKEY_DSA)
 861                         digest=EVP_dss1();
 862 #endif
 863 #ifndef OPENSSL_NO_ECDSA
 864                 if (pkey->type == EVP_PKEY_ECDSA)
 865                         digest=EVP_ecdsa();
 866 #endif
 867                 if (req == NULL)
 868                         {
 869                         req=X509_REQ_new();
 870                         if (req == NULL)
 871                                 {
 872                                 goto end;
 873                                 }
 874
 875                         i=make_REQ(req,pkey,subj,!x509, chtype);
 876                         subj=NULL; /* done processing '-subj' option */
 877                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 878                                 {
 879                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 880                                 req->req_info->attributes = NULL;
 881                                 }
 882                         if (!i)
 883                                 {
 884                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 885                                 goto end;
 886                                 }
 887                         }
 888                 if (x509)
 889                         {
 890                         EVP_PKEY *tmppkey;
 891                         X509V3_CTX ext_ctx;
 892                         if ((x509ss=X509_new()) == NULL) goto end;
 893
 894                         /* Set version to V3 */
 895                         if(!X509_set_version(x509ss, 2)) goto end;
 896                         if (serial)
 897                                 {
 898                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 899                                 }
 900                         else
 901                                 {
 902                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 903                                 }
 904
 905                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 906                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 907                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 908                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 909                         tmppkey = X509_REQ_get_pubkey(req);
 910                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 911                         EVP_PKEY_free(tmppkey);
 912
 913                         /* Set up V3 context struct */
 914
 915                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 916                         X509V3_set_nconf(&ext_ctx, req_conf);
 917
 918                         /* Add extensions */
 919                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 920                                         &ext_ctx, extensions, x509ss))
 921                                 {
 922                                 BIO_printf(bio_err,
 923                                         "Error Loading extension section %s\n",
 924                                         extensions);
 925                                 goto end;
 926                                 }
 927
 928                         if (!(i=X509_sign(x509ss,pkey,digest)))
 929                                 goto end;
 930                         }
 931                 else
 932                         {
 933                         X509V3_CTX ext_ctx;
 934
 935                         /* Set up V3 context struct */
 936
 937                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 938                         X509V3_set_nconf(&ext_ctx, req_conf);
 939
 940                         /* Add extensions */
 941                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 942                                         &ext_ctx, req_exts, req))
 943                                 {
 944                                 BIO_printf(bio_err,
 945                                         "Error Loading extension section %s\n",
 946                                         req_exts);
 947                                 goto end;
 948                                 }
 949                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 950                                 goto end;
 951                         }
 952                 }
 953
 954         if (subj && x509)
 955                 {
 956                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 957                 goto end;
 958                 }
 959
 960         if (subj && !x509)
 961                 {
 962                 if (verbose)
 963                         {
 964                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 965                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 966                         }
 967
 968                 if (build_subject(req, subj, chtype) == 0)
 969                         {
 970                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 971                         ex=1;
 972                         goto end;
 973                         }
 974
 975                 req->req_info->enc.modified = 1;
 976
 977                 if (verbose)
 978                         {
 979                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 980                         }
 981                 }
 982
 983         if (verify && !x509)
 984                 {
 985                 int tmp=0;
 986
 987                 if (pkey == NULL)
 988                         {
 989                         pkey=X509_REQ_get_pubkey(req);
 990                         tmp=1;
 991                         if (pkey == NULL) goto end;
 992                         }
 993
 994                 i=X509_REQ_verify(req,pkey);
 995                 if (tmp) {
 996                         EVP_PKEY_free(pkey);
 997                         pkey=NULL;
 998                 }
 999
1000                 if (i < 0)
1001                         {
1002                         goto end;
1003                         }
1004                 else if (i == 0)
1005                         {
1006                         BIO_printf(bio_err,"verify failure\n");
1007                         ERR_print_errors(bio_err);
1008                         }
1009                 else /* if (i > 0) */
1010                         BIO_printf(bio_err,"verify OK\n");
1011                 }
1012
1013         if (noout && !text && !modulus && !subject && !pubkey)
1014                 {
1015                 ex=0;
1016                 goto end;
1017                 }
1018
1019         if (outfile == NULL)
1020                 {
1021                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1022 #ifdef OPENSSL_SYS_VMS
1023                 {
1024                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1025                 out = BIO_push(tmpbio, out);
1026                 }
1027 #endif
1028                 }
1029         else
1030                 {
1031                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1032                         i=(int)BIO_append_filename(out,outfile);
1033                 else
1034                         i=(int)BIO_write_filename(out,outfile);
1035                 if (!i)
1036                         {
1037                         perror(outfile);
1038                         goto end;
1039                         }
1040                 }
1041
1042         if (pubkey)
1043                 {
1044                 EVP_PKEY *tpubkey;
1045                 tpubkey=X509_REQ_get_pubkey(req);
1046                 if (tpubkey == NULL)
1047                         {
1048                         BIO_printf(bio_err,"Error getting public key\n");
1049                         ERR_print_errors(bio_err);
1050                         goto end;
1051                         }
1052                 PEM_write_bio_PUBKEY(out, tpubkey);
1053                 EVP_PKEY_free(tpubkey);
1054                 }
1055
1056         if (text)
1057                 {
1058                 if (x509)
1059                         X509_print(out,x509ss);
1060                 else
1061                         X509_REQ_print(out,req);
1062                 }
1063
1064         if(subject)
1065                 {
1066                 if(x509)
1067                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1068                 else
1069                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1070                 }
1071
1072         if (modulus)
1073                 {
1074                 EVP_PKEY *tpubkey;
1075
1076                 if (x509)
1077                         tpubkey=X509_get_pubkey(x509ss);
1078                 else
1079                         tpubkey=X509_REQ_get_pubkey(req);
1080                 if (tpubkey == NULL)
1081                         {
1082                         fprintf(stdout,"Modulus=unavailable\n");
1083                         goto end;
1084                         }
1085                 fprintf(stdout,"Modulus=");
1086 #ifndef OPENSSL_NO_RSA
1087                 if (tpubkey->type == EVP_PKEY_RSA)
1088                         BN_print(out,tpubkey->pkey.rsa->n);
1089                 else
1090 #endif
1091                         fprintf(stdout,"Wrong Algorithm type");
1092                 EVP_PKEY_free(tpubkey);
1093                 fprintf(stdout,"\n");
1094                 }
1095
1096         if (!noout && !x509)
1097                 {
1098                 if      (outformat == FORMAT_ASN1)
1099                         i=i2d_X509_REQ_bio(out,req);
1100                 else if (outformat == FORMAT_PEM) {
1101                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1102                         else i=PEM_write_bio_X509_REQ(out,req);
1103                 } else {
1104                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1105                         goto end;
1106                         }
1107                 if (!i)
1108                         {
1109                         BIO_printf(bio_err,"unable to write X509 request\n");
1110                         goto end;
1111                         }
1112                 }
1113         if (!noout && x509 && (x509ss != NULL))
1114                 {
1115                 if      (outformat == FORMAT_ASN1)
1116                         i=i2d_X509_bio(out,x509ss);
1117                 else if (outformat == FORMAT_PEM)
1118                         i=PEM_write_bio_X509(out,x509ss);
1119                 else    {
1120                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1121                         goto end;
1122                         }
1123                 if (!i)
1124                         {
1125                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1126                         goto end;
1127                         }
1128                 }
1129         ex=0;
1130 end:
1131         if (ex)
1132                 {
1133                 ERR_print_errors(bio_err);
1134                 }
1135         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1136         BIO_free(in);
1137         BIO_free_all(out);
1138         EVP_PKEY_free(pkey);
1139         X509_REQ_free(req);
1140         X509_free(x509ss);
1141         ASN1_INTEGER_free(serial);
1142         if(passargin && passin) OPENSSL_free(passin);
1143         if(passargout && passout) OPENSSL_free(passout);
1144         OBJ_cleanup();
1145 #ifndef OPENSSL_NO_DSA
1146         if (dsa_params != NULL) DSA_free(dsa_params);
1147 #endif
1148 #ifndef OPENSSL_NO_EC
1149         if (ec_params != NULL) EC_KEY_free(ec_params);
1150 #endif
1151         apps_shutdown();
1152         EXIT(ex);
1153         }
1154
1155 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1156                         unsigned long chtype)
1157         {
1158         int ret=0,i;
1159         char no_prompt = 0;
1160         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1161         char *tmp, *dn_sect,*attr_sect;
1162
1163         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1164         if (tmp == NULL)
1165                 ERR_clear_error();
1166         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1167
1168         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1169         if (dn_sect == NULL)
1170                 {
1171                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1172                         DISTINGUISHED_NAME);
1173                 goto err;
1174                 }
1175         dn_sk=NCONF_get_section(req_conf,dn_sect);
1176         if (dn_sk == NULL)
1177                 {
1178                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1179                 goto err;
1180                 }
1181
1182         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1183         if (attr_sect == NULL)
1184                 {
1185                 ERR_clear_error();
1186                 attr_sk=NULL;
1187                 }
1188         else
1189                 {
1190                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1191                 if (attr_sk == NULL)
1192                         {
1193                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1194                         goto err;
1195                         }
1196                 }
1197
1198         /* setup version number */
1199         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1200
1201         if (no_prompt)
1202                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1203         else
1204                 {
1205                 if (subj)
1206                         i = build_subject(req, subj, chtype);
1207                 else
1208                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1209                 }
1210         if(!i) goto err;
1211
1212         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1213
1214         ret=1;
1215 err:
1216         return(ret);
1217         }
1218
1219 /*
1220  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1221  * where characters may be escaped by \
1222  */
1223 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1224         {
1225         X509_NAME *n;
1226
1227         if (!(n = do_subject(subject, chtype)))
1228                 return 0;
1229
1230         if (!X509_REQ_set_subject_name(req, n))
1231                 {
1232                 X509_NAME_free(n);
1233                 return 0;
1234                 }
1235         X509_NAME_free(n);
1236         return 1;
1237 }
1238
1239
1240 static int prompt_info(X509_REQ *req,
1241                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1242                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1243                 unsigned long chtype)
1244         {
1245         int i;
1246         char *p,*q;
1247         char buf[100];
1248         int nid;
1249         long n_min,n_max;
1250         char *type,*def,*value;
1251         CONF_VALUE *v;
1252         X509_NAME *subj;
1253         subj = X509_REQ_get_subject_name(req);
1254
1255         if(!batch)
1256                 {
1257                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1258                 BIO_printf(bio_err,"into your certificate request.\n");
1259                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1260                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1261                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1262                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1263                 BIO_printf(bio_err,"-----\n");
1264                 }
1265
1266
1267         if (sk_CONF_VALUE_num(dn_sk))
1268                 {
1269                 i= -1;
1270 start:          for (;;)
1271                         {
1272                         i++;
1273                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1274
1275                         v=sk_CONF_VALUE_value(dn_sk,i);
1276                         p=q=NULL;
1277                         type=v->name;
1278                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1279                                 !check_end(type,"_default") ||
1280                                          !check_end(type,"_value")) continue;
1281                         /* Skip past any leading X. X: X, etc to allow for
1282                          * multiple instances
1283                          */
1284                         for(p = v->name; *p ; p++)
1285                                 if ((*p == ':') || (*p == ',') ||
1286                                                          (*p == '.')) {
1287                                         p++;
1288                                         if(*p) type = p;
1289                                         break;
1290                                 }
1291                         /* If OBJ not recognised ignore it */
1292                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1293                         sprintf(buf,"%s_default",v->name);
1294                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1295                                 {
1296                                 ERR_clear_error();
1297                                 def="";
1298                                 }
1299
1300                         sprintf(buf,"%s_value",v->name);
1301                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1302                                 {
1303                                 ERR_clear_error();
1304                                 value=NULL;
1305                                 }
1306
1307                         sprintf(buf,"%s_min",v->name);
1308                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1309                                 n_min = -1;
1310
1311                         sprintf(buf,"%s_max",v->name);
1312                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1313                                 n_max = -1;
1314
1315                         if (!add_DN_object(subj,v->value,def,value,nid,
1316                                 n_min,n_max, chtype))
1317                                 return 0;
1318                         }
1319                 if (X509_NAME_entry_count(subj) == 0)
1320                         {
1321                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1322                         return 0;
1323                         }
1324
1325                 if (attribs)
1326                         {
1327                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1328                                 {
1329                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1330                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1331                                 }
1332
1333                         i= -1;
1334 start2:                 for (;;)
1335                                 {
1336                                 i++;
1337                                 if ((attr_sk == NULL) ||
1338                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1339                                         break;
1340
1341                                 v=sk_CONF_VALUE_value(attr_sk,i);
1342                                 type=v->name;
1343                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1344                                         goto start2;
1345
1346                                 sprintf(buf,"%s_default",type);
1347                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1348                                         == NULL)
1349                                         {
1350                                         ERR_clear_error();
1351                                         def="";
1352                                         }
1353
1354
1355                                 sprintf(buf,"%s_value",type);
1356                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1357                                         == NULL)
1358                                         {
1359                                         ERR_clear_error();
1360                                         value=NULL;
1361                                         }
1362
1363                                 sprintf(buf,"%s_min",type);
1364                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1365                                         n_min = -1;
1366
1367                                 sprintf(buf,"%s_max",type);
1368                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1369                                         n_max = -1;
1370
1371                                 if (!add_attribute_object(req,
1372                                         v->value,def,value,nid,n_min,n_max, chtype))
1373                                         return 0;
1374                                 }
1375                         }
1376                 }
1377         else
1378                 {
1379                 BIO_printf(bio_err,"No template, please set one up.\n");
1380                 return 0;
1381                 }
1382
1383         return 1;
1384
1385         }
1386
1387 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1388                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1389         {
1390         int i;
1391         char *p,*q;
1392         char *type;
1393         CONF_VALUE *v;
1394         X509_NAME *subj;
1395
1396         subj = X509_REQ_get_subject_name(req);
1397
1398         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1399                 {
1400                 v=sk_CONF_VALUE_value(dn_sk,i);
1401                 p=q=NULL;
1402                 type=v->name;
1403                 /* Skip past any leading X. X: X, etc to allow for
1404                  * multiple instances
1405                  */
1406                 for(p = v->name; *p ; p++)
1407 #ifndef CHARSET_EBCDIC
1408                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1409 #else
1410                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1411 #endif
1412                                 p++;
1413                                 if(*p) type = p;
1414                                 break;
1415                         }
1416                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1417                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1418
1419                 }
1420
1421                 if (!X509_NAME_entry_count(subj))
1422                         {
1423                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1424                         return 0;
1425                         }
1426                 if (attribs)
1427                         {
1428                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1429                                 {
1430                                 v=sk_CONF_VALUE_value(attr_sk,i);
1431                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1432                                         (unsigned char *)v->value, -1)) return 0;
1433                                 }
1434                         }
1435         return 1;
1436         }
1437
1438
1439 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1440              int nid, int n_min, int n_max, unsigned long chtype)
1441         {
1442         int i,ret=0;
1443         MS_STATIC char buf[1024];
1444 start:
1445         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1446         (void)BIO_flush(bio_err);
1447         if(value != NULL)
1448                 {
1449                 strcpy(buf,value);
1450                 strcat(buf,"\n");
1451                 BIO_printf(bio_err,"%s\n",value);
1452                 }
1453         else
1454                 {
1455                 buf[0]='\0';
1456                 if (!batch)
1457                         {
1458                         fgets(buf,1024,stdin);
1459                         }
1460                 else
1461                         {
1462                         buf[0] = '\n';
1463                         buf[1] = '\0';
1464                         }
1465                 }
1466
1467         if (buf[0] == '\0') return(0);
1468         else if (buf[0] == '\n')
1469                 {
1470                 if ((def == NULL) || (def[0] == '\0'))
1471                         return(1);
1472                 strcpy(buf,def);
1473                 strcat(buf,"\n");
1474                 }
1475         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1476
1477         i=strlen(buf);
1478         if (buf[i-1] != '\n')
1479                 {
1480                 BIO_printf(bio_err,"weird input :-(\n");
1481                 return(0);
1482                 }
1483         buf[--i]='\0';
1484 #ifdef CHARSET_EBCDIC
1485         ebcdic2ascii(buf, buf, i);
1486 #endif
1487         if(!req_check_len(i, n_min, n_max)) goto start;
1488         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1489                                 (unsigned char *) buf, -1,-1,0)) goto err;
1490         ret=1;
1491 err:
1492         return(ret);
1493         }
1494
1495 static int add_attribute_object(X509_REQ *req, char *text,
1496                                 char *def, char *value, int nid, int n_min,
1497                                 int n_max, unsigned long chtype)
1498         {
1499         int i;
1500         static char buf[1024];
1501
1502 start:
1503         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1504         (void)BIO_flush(bio_err);
1505         if (value != NULL)
1506                 {
1507                 strcpy(buf,value);
1508                 strcat(buf,"\n");
1509                 BIO_printf(bio_err,"%s\n",value);
1510                 }
1511         else
1512                 {
1513                 buf[0]='\0';
1514                 if (!batch)
1515                         {
1516                         fgets(buf,1024,stdin);
1517                         }
1518                 else
1519                         {
1520                         buf[0] = '\n';
1521                         buf[1] = '\0';
1522                         }
1523                 }
1524
1525         if (buf[0] == '\0') return(0);
1526         else if (buf[0] == '\n')
1527                 {
1528                 if ((def == NULL) || (def[0] == '\0'))
1529                         return(1);
1530                 strcpy(buf,def);
1531                 strcat(buf,"\n");
1532                 }
1533         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1534
1535         i=strlen(buf);
1536         if (buf[i-1] != '\n')
1537                 {
1538                 BIO_printf(bio_err,"weird input :-(\n");
1539                 return(0);
1540                 }
1541         buf[--i]='\0';
1542 #ifdef CHARSET_EBCDIC
1543         ebcdic2ascii(buf, buf, i);
1544 #endif
1545         if(!req_check_len(i, n_min, n_max)) goto start;
1546
1547         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1548                                         (unsigned char *)buf, -1)) {
1549                 BIO_printf(bio_err, "Error adding attribute\n");
1550                 ERR_print_errors(bio_err);
1551                 goto err;
1552         }
1553
1554         return(1);
1555 err:
1556         return(0);
1557         }
1558
1559 #ifndef OPENSSL_NO_RSA
1560 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1561         {
1562         char c='*';
1563
1564         if (p == 0) c='.';
1565         if (p == 1) c='+';
1566         if (p == 2) c='*';
1567         if (p == 3) c='\n';
1568         BIO_write((BIO *)arg,&c,1);
1569         (void)BIO_flush((BIO *)arg);
1570 #ifdef LINT
1571         p=n;
1572 #endif
1573         }
1574 #endif
1575
1576 static int req_check_len(int len, int n_min, int n_max)
1577         {
1578         if ((n_min > 0) && (len < n_min))
1579                 {
1580                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1581                 return(0);
1582                 }
1583         if ((n_max >= 0) && (len > n_max))
1584                 {
1585                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1586                 return(0);
1587                 }
1588         return(1);
1589         }
1590
1591 /* Check if the end of a string matches 'end' */
1592 static int check_end(char *str, char *end)
1593 {
1594         int elen, slen;
1595         char *tmp;
1596         elen = strlen(end);
1597         slen = strlen(str);
1598         if(elen > slen) return 1;
1599         tmp = str + slen - elen;
1600         return strcmp(tmp, end);
1601 }