apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/evp.h>
  69 #include <openssl/conf.h>
  70 #include <openssl/err.h>
  71 #include <openssl/asn1.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76 #include "../crypto/cryptlib.h"
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define PROMPT          "prompt"
  83 #define DISTINGUISHED_NAME      "distinguished_name"
  84 #define ATTRIBUTES      "attributes"
  85 #define V3_EXTENSIONS   "x509_extensions"
  86 #define REQ_EXTENSIONS  "req_extensions"
  87 #define STRING_MASK     "string_mask"
  88 #define UTF8_IN         "utf8"
  89
  90 #define DEFAULT_KEY_LENGTH      512
  91 #define MIN_KEY_LENGTH          384
  92
  93 #undef PROG
  94 #define PROG    req_main
  95
  96 /* -inform arg  - input format - default PEM (DER or PEM)
  97  * -outform arg - output format - default PEM
  98  * -in arg      - input file - default stdin
  99  * -out arg     - output file - default stdout
 100  * -verify      - check request signature
 101  * -noout       - don't print stuff out.
 102  * -text        - print out human readable text.
 103  * -nodes       - no des encryption
 104  * -config file - Load configuration file.
 105  * -key file    - make a request using key in file (or use it for verification).
 106  * -keyform arg - key file format.
 107  * -rand file(s) - load the file(s) into the PRNG.
 108  * -newkey      - make a key and a request.
 109  * -modulus     - print RSA modulus.
 110  * -pubkey      - output Public Key.
 111  * -x509        - output a self signed X509 structure instead.
 112  * -asn1-kludge - output new certificate request in a format that some CA's
 113  *                require.  This format is wrong
 114  */
 115
 116 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 117                 unsigned long chtype);
 118 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 119 static int prompt_info(X509_REQ *req,
 120                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 121                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 122                 unsigned long chtype);
 123 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 124                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 125                                 unsigned long chtype);
 126 static int add_attribute_object(X509_REQ *req, char *text,
 127                                 char *def, char *value, int nid, int n_min,
 128                                 int n_max, unsigned long chtype);
 129 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 130         int nid,int n_min,int n_max, unsigned long chtype);
 131 #ifndef OPENSSL_NO_RSA
 132 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 133 #endif
 134 static int req_check_len(int len,int n_min,int n_max);
 135 static int check_end(char *str, char *end);
 136 #ifndef MONOLITH
 137 static char *default_config_file=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145
 146 int MAIN(int, char **);
 147
 148 int MAIN(int argc, char **argv)
 149         {
 150         ENGINE *e = NULL;
 151 #ifndef OPENSSL_NO_DSA
 152         DSA *dsa_params=NULL;
 153 #endif
 154         unsigned long nmflag = 0, reqflag = 0;
 155         int ex=1,x509=0,days=30;
 156         X509 *x509ss=NULL;
 157         X509_REQ *req=NULL;
 158         EVP_PKEY *pkey=NULL;
 159         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 160         long newkey = -1;
 161         BIO *in=NULL,*out=NULL;
 162         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 163         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 164         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 165 #ifndef OPENSSL_NO_ENGINE
 166         char *engine=NULL;
 167 #endif
 168         char *extensions = NULL;
 169         char *req_exts = NULL;
 170         const EVP_CIPHER *cipher=NULL;
 171         ASN1_INTEGER *serial = NULL;
 172         int modulus=0;
 173         char *inrand=NULL;
 174         char *passargin = NULL, *passargout = NULL;
 175         char *passin = NULL, *passout = NULL;
 176         char *p;
 177         char *subj = NULL;
 178         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 179         unsigned long chtype = MBSTRING_ASC;
 180 #ifndef MONOLITH
 181         char *to_free;
 182         long errline;
 183 #endif
 184
 185         req_conf = NULL;
 186 #ifndef OPENSSL_NO_DES
 187         cipher=EVP_des_ede3_cbc();
 188 #endif
 189         apps_startup();
 190
 191         if (bio_err == NULL)
 192                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 193                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 194
 195         infile=NULL;
 196         outfile=NULL;
 197         informat=FORMAT_PEM;
 198         outformat=FORMAT_PEM;
 199
 200         prog=argv[0];
 201         argc--;
 202         argv++;
 203         while (argc >= 1)
 204                 {
 205                 if      (strcmp(*argv,"-inform") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         informat=str2fmt(*(++argv));
 209                         }
 210                 else if (strcmp(*argv,"-outform") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         outformat=str2fmt(*(++argv));
 214                         }
 215 #ifndef OPENSSL_NO_ENGINE
 216                 else if (strcmp(*argv,"-engine") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         engine= *(++argv);
 220                         }
 221 #endif
 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                                 newkey=BN_num_bits(dsa_params->p);
 326                                 in=NULL;
 327                                 }
 328                         else
 329 #endif
 330 #ifndef OPENSSL_NO_DH
 331                                 if (strncmp("dh:",p,4) == 0)
 332                                 {
 333                                 pkey_type=TYPE_DH;
 334                                 p+=3;
 335                                 }
 336                         else
 337 #endif
 338                                 pkey_type=TYPE_RSA;
 339
 340                         newreq=1;
 341                         }
 342                 else if (strcmp(*argv,"-batch") == 0)
 343                         batch=1;
 344                 else if (strcmp(*argv,"-newhdr") == 0)
 345                         newhdr=1;
 346                 else if (strcmp(*argv,"-modulus") == 0)
 347                         modulus=1;
 348                 else if (strcmp(*argv,"-verify") == 0)
 349                         verify=1;
 350                 else if (strcmp(*argv,"-nodes") == 0)
 351                         nodes=1;
 352                 else if (strcmp(*argv,"-noout") == 0)
 353                         noout=1;
 354                 else if (strcmp(*argv,"-verbose") == 0)
 355                         verbose=1;
 356                 else if (strcmp(*argv,"-utf8") == 0)
 357                         chtype = MBSTRING_UTF8;
 358                 else if (strcmp(*argv,"-nameopt") == 0)
 359                         {
 360                         if (--argc < 1) goto bad;
 361                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 362                         }
 363                 else if (strcmp(*argv,"-reqopt") == 0)
 364                         {
 365                         if (--argc < 1) goto bad;
 366                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 367                         }
 368                 else if (strcmp(*argv,"-subject") == 0)
 369                         subject=1;
 370                 else if (strcmp(*argv,"-text") == 0)
 371                         text=1;
 372                 else if (strcmp(*argv,"-x509") == 0)
 373                         x509=1;
 374                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 375                         kludge=1;
 376                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 377                         kludge=0;
 378                 else if (strcmp(*argv,"-subj") == 0)
 379                         {
 380                         if (--argc < 1) goto bad;
 381                         subj= *(++argv);
 382                         }
 383                 else if (strcmp(*argv,"-days") == 0)
 384                         {
 385                         if (--argc < 1) goto bad;
 386                         days= atoi(*(++argv));
 387                         if (days == 0) days=30;
 388                         }
 389                 else if (strcmp(*argv,"-set_serial") == 0)
 390                         {
 391                         if (--argc < 1) goto bad;
 392                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 393                         if (!serial) goto bad;
 394                         }
 395                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 396                         {
 397                         /* ok */
 398                         digest=md_alg;
 399                         }
 400                 else if (strcmp(*argv,"-extensions") == 0)
 401                         {
 402                         if (--argc < 1) goto bad;
 403                         extensions = *(++argv);
 404                         }
 405                 else if (strcmp(*argv,"-reqexts") == 0)
 406                         {
 407                         if (--argc < 1) goto bad;
 408                         req_exts = *(++argv);
 409                         }
 410                 else
 411                         {
 412                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 413                         badops=1;
 414                         break;
 415                         }
 416                 argc--;
 417                 argv++;
 418                 }
 419
 420         if (badops)
 421                 {
 422 bad:
 423                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 424                 BIO_printf(bio_err,"where options  are\n");
 425                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 426                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 427                 BIO_printf(bio_err," -in arg        input file\n");
 428                 BIO_printf(bio_err," -out arg       output file\n");
 429                 BIO_printf(bio_err," -text          text form of request\n");
 430                 BIO_printf(bio_err," -pubkey        output public key\n");
 431                 BIO_printf(bio_err," -noout         do not output REQ\n");
 432                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 433                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 434                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 435 #ifndef OPENSSL_NO_ENGINE
 436                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 437 #endif
 438                 BIO_printf(bio_err," -subject       output the request's subject\n");
 439                 BIO_printf(bio_err," -passin        private key password source\n");
 440                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 441                 BIO_printf(bio_err," -keyform arg   key file format\n");
 442                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 443                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 444                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 445                 BIO_printf(bio_err,"                the random number generator\n");
 446                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 447                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 448                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 449                 BIO_printf(bio_err," -config file   request template file.\n");
 450                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 451                 BIO_printf(bio_err," -new           new request.\n");
 452                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 453                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 454                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 455                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 456                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 457                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 458                 BIO_printf(bio_err,"                have been reported as requiring\n");
 459                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 460                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 461                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 462                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 463                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 464                 goto end;
 465                 }
 466
 467         ERR_load_crypto_strings();
 468         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 469                 BIO_printf(bio_err, "Error getting passwords\n");
 470                 goto end;
 471         }
 472
 473 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 474         /* Lets load up our environment a little */
 475         p=getenv("OPENSSL_CONF");
 476         if (p == NULL)
 477                 p=getenv("SSLEAY_CONF");
 478         if (p == NULL)
 479                 p=to_free=make_config_name();
 480         default_config_file=p;
 481         config=NCONF_new(NULL);
 482         i=NCONF_load(config, p, &errline);
 483 #endif
 484
 485         if (template != NULL)
 486                 {
 487                 long errline = -1;
 488
 489                 if( verbose )
 490                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 491                 req_conf=NCONF_new(NULL);
 492                 i=NCONF_load(req_conf,template,&errline);
 493                 if (i == 0)
 494                         {
 495                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 496                         goto end;
 497                         }
 498                 }
 499         else
 500                 {
 501                 req_conf=config;
 502
 503                 if (req_conf == NULL)
 504                         {
 505                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 506                         if (newreq)
 507                                 goto end;
 508                         }
 509                 else if( verbose )
 510                         BIO_printf(bio_err,"Using configuration from %s\n",
 511                         default_config_file);
 512                 }
 513
 514         if (req_conf != NULL)
 515                 {
 516                 if (!load_config(bio_err, req_conf))
 517                         goto end;
 518                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 519                 if (p == NULL)
 520                         ERR_clear_error();
 521                 if (p != NULL)
 522                         {
 523                         BIO *oid_bio;
 524
 525                         oid_bio=BIO_new_file(p,"r");
 526                         if (oid_bio == NULL)
 527                                 {
 528                                 /*
 529                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 530                                 ERR_print_errors(bio_err);
 531                                 */
 532                                 }
 533                         else
 534                                 {
 535                                 OBJ_create_objects(oid_bio);
 536                                 BIO_free(oid_bio);
 537                                 }
 538                         }
 539                 }
 540         if(!add_oid_section(bio_err, req_conf)) goto end;
 541
 542         if (md_alg == NULL)
 543                 {
 544                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 545                 if (p == NULL)
 546                         ERR_clear_error();
 547                 if (p != NULL)
 548                         {
 549                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 550                                 digest=md_alg;
 551                         }
 552                 }
 553
 554         if (!extensions)
 555                 {
 556                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 557                 if (!extensions)
 558                         ERR_clear_error();
 559                 }
 560         if (extensions) {
 561                 /* Check syntax of file */
 562                 X509V3_CTX ctx;
 563                 X509V3_set_ctx_test(&ctx);
 564                 X509V3_set_nconf(&ctx, req_conf);
 565                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 566                         BIO_printf(bio_err,
 567                          "Error Loading extension section %s\n", extensions);
 568                         goto end;
 569                 }
 570         }
 571
 572         if(!passin)
 573                 {
 574                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 575                 if (!passin)
 576                         ERR_clear_error();
 577                 }
 578
 579         if(!passout)
 580                 {
 581                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 582                 if (!passout)
 583                         ERR_clear_error();
 584                 }
 585
 586         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 587         if (!p)
 588                 ERR_clear_error();
 589
 590         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 591                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 592                 goto end;
 593         }
 594
 595         if (chtype != MBSTRING_UTF8)
 596                 {
 597                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 598                 if (!p)
 599                         ERR_clear_error();
 600                 else if (!strcmp(p, "yes"))
 601                         chtype = MBSTRING_UTF8;
 602                 }
 603
 604
 605         if(!req_exts)
 606                 {
 607                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 608                 if (!req_exts)
 609                         ERR_clear_error();
 610                 }
 611         if(req_exts) {
 612                 /* Check syntax of file */
 613                 X509V3_CTX ctx;
 614                 X509V3_set_ctx_test(&ctx);
 615                 X509V3_set_nconf(&ctx, req_conf);
 616                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 617                         BIO_printf(bio_err,
 618                          "Error Loading request extension section %s\n",
 619                                                                 req_exts);
 620                         goto end;
 621                 }
 622         }
 623
 624         in=BIO_new(BIO_s_file());
 625         out=BIO_new(BIO_s_file());
 626         if ((in == NULL) || (out == NULL))
 627                 goto end;
 628
 629 #ifndef OPENSSL_NO_ENGINE
 630         e = setup_engine(bio_err, engine, 0);
 631 #endif
 632
 633         if (keyfile != NULL)
 634                 {
 635                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 636                         "Private Key");
 637                 if (!pkey)
 638                         {
 639                         /* load_key() has already printed an appropriate
 640                            message */
 641                         goto end;
 642                         }
 643                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 644                         {
 645                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 646                         if (randfile == NULL)
 647                                 ERR_clear_error();
 648                         app_RAND_load_file(randfile, bio_err, 0);
 649                         }
 650                 }
 651
 652         if (newreq && (pkey == NULL))
 653                 {
 654                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 655                 if (randfile == NULL)
 656                         ERR_clear_error();
 657                 app_RAND_load_file(randfile, bio_err, 0);
 658                 if (inrand)
 659                         app_RAND_load_files(inrand);
 660
 661                 if (newkey <= 0)
 662                         {
 663                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 664                                 newkey=DEFAULT_KEY_LENGTH;
 665                         }
 666
 667                 if (newkey < MIN_KEY_LENGTH)
 668                         {
 669                         BIO_printf(bio_err,"private key length is too short,\n");
 670                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 671                         goto end;
 672                         }
 673                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 674                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 675
 676                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 677
 678 #ifndef OPENSSL_NO_RSA
 679                 if (pkey_type == TYPE_RSA)
 680                         {
 681                         if (!EVP_PKEY_assign_RSA(pkey,
 682                                 RSA_generate_key(newkey,0x10001,
 683                                         req_cb,bio_err)))
 684                                 goto end;
 685                         }
 686                 else
 687 #endif
 688 #ifndef OPENSSL_NO_DSA
 689                         if (pkey_type == TYPE_DSA)
 690                         {
 691                         if (!DSA_generate_key(dsa_params)) goto end;
 692                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 693                         dsa_params=NULL;
 694                         }
 695 #endif
 696
 697                 app_RAND_write_file(randfile, bio_err);
 698
 699                 if (pkey == NULL) goto end;
 700
 701                 if (keyout == NULL)
 702                         {
 703                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 704                         if (keyout == NULL)
 705                                 ERR_clear_error();
 706                         }
 707
 708                 if (keyout == NULL)
 709                         {
 710                         BIO_printf(bio_err,"writing new private key to stdout\n");
 711                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 712 #ifdef OPENSSL_SYS_VMS
 713                         {
 714                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 715                         out = BIO_push(tmpbio, out);
 716                         }
 717 #endif
 718                         }
 719                 else
 720                         {
 721                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 722                         if (BIO_write_filename(out,keyout) <= 0)
 723                                 {
 724                                 perror(keyout);
 725                                 goto end;
 726                                 }
 727                         }
 728
 729                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 730                 if (p == NULL)
 731                         {
 732                         ERR_clear_error();
 733                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 734                         if (p == NULL)
 735                                 ERR_clear_error();
 736                         }
 737                 if ((p != NULL) && (strcmp(p,"no") == 0))
 738                         cipher=NULL;
 739                 if (nodes) cipher=NULL;
 740
 741                 i=0;
 742 loop:
 743                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 744                         NULL,0,NULL,passout))
 745                         {
 746                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 747                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 748                                 {
 749                                 ERR_clear_error();
 750                                 i++;
 751                                 goto loop;
 752                                 }
 753                         goto end;
 754                         }
 755                 BIO_printf(bio_err,"-----\n");
 756                 }
 757
 758         if (!newreq)
 759                 {
 760                 /* Since we are using a pre-existing certificate
 761                  * request, the kludge 'format' info should not be
 762                  * changed. */
 763                 kludge= -1;
 764                 if (infile == NULL)
 765                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 766                 else
 767                         {
 768                         if (BIO_read_filename(in,infile) <= 0)
 769                                 {
 770                                 perror(infile);
 771                                 goto end;
 772                                 }
 773                         }
 774
 775                 if      (informat == FORMAT_ASN1)
 776                         req=d2i_X509_REQ_bio(in,NULL);
 777                 else if (informat == FORMAT_PEM)
 778                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 779                 else
 780                         {
 781                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 782                         goto end;
 783                         }
 784                 if (req == NULL)
 785                         {
 786                         BIO_printf(bio_err,"unable to load X509 request\n");
 787                         goto end;
 788                         }
 789                 }
 790
 791         if (newreq || x509)
 792                 {
 793                 if (pkey == NULL)
 794                         {
 795                         BIO_printf(bio_err,"you need to specify a private key\n");
 796                         goto end;
 797                         }
 798 #ifndef OPENSSL_NO_DSA
 799                 if (pkey->type == EVP_PKEY_DSA)
 800                         digest=EVP_dss1();
 801 #endif
 802                 if (req == NULL)
 803                         {
 804                         req=X509_REQ_new();
 805                         if (req == NULL)
 806                                 {
 807                                 goto end;
 808                                 }
 809
 810                         i=make_REQ(req,pkey,subj,!x509, chtype);
 811                         subj=NULL; /* done processing '-subj' option */
 812                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 813                                 {
 814                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 815                                 req->req_info->attributes = NULL;
 816                                 }
 817                         if (!i)
 818                                 {
 819                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 820                                 goto end;
 821                                 }
 822                         }
 823                 if (x509)
 824                         {
 825                         EVP_PKEY *tmppkey;
 826                         X509V3_CTX ext_ctx;
 827                         if ((x509ss=X509_new()) == NULL) goto end;
 828
 829                         /* Set version to V3 */
 830                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 831                         if (serial)
 832                                 {
 833                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 834                                 }
 835                         else
 836                                 {
 837                                 if (!rand_serial(NULL,
 838                                         X509_get_serialNumber(x509ss)))
 839                                                 goto end;
 840                                 }
 841
 842                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 843                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 844                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 845                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 846                         tmppkey = X509_REQ_get_pubkey(req);
 847                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 848                         EVP_PKEY_free(tmppkey);
 849
 850                         /* Set up V3 context struct */
 851
 852                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 853                         X509V3_set_nconf(&ext_ctx, req_conf);
 854
 855                         /* Add extensions */
 856                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 857                                         &ext_ctx, extensions, x509ss))
 858                                 {
 859                                 BIO_printf(bio_err,
 860                                         "Error Loading extension section %s\n",
 861                                         extensions);
 862                                 goto end;
 863                                 }
 864
 865                         if (!(i=X509_sign(x509ss,pkey,digest)))
 866                                 goto end;
 867                         }
 868                 else
 869                         {
 870                         X509V3_CTX ext_ctx;
 871
 872                         /* Set up V3 context struct */
 873
 874                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 875                         X509V3_set_nconf(&ext_ctx, req_conf);
 876
 877                         /* Add extensions */
 878                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 879                                         &ext_ctx, req_exts, req))
 880                                 {
 881                                 BIO_printf(bio_err,
 882                                         "Error Loading extension section %s\n",
 883                                         req_exts);
 884                                 goto end;
 885                                 }
 886                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 887                                 goto end;
 888                         }
 889                 }
 890
 891         if (subj && x509)
 892                 {
 893                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 894                 goto end;
 895                 }
 896
 897         if (subj && !x509)
 898                 {
 899                 if (verbose)
 900                         {
 901                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 902                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 903                         }
 904
 905                 if (build_subject(req, subj, chtype) == 0)
 906                         {
 907                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 908                         ex=1;
 909                         goto end;
 910                         }
 911
 912                 req->req_info->enc.modified = 1;
 913
 914                 if (verbose)
 915                         {
 916                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 917                         }
 918                 }
 919
 920         if (verify && !x509)
 921                 {
 922                 int tmp=0;
 923
 924                 if (pkey == NULL)
 925                         {
 926                         pkey=X509_REQ_get_pubkey(req);
 927                         tmp=1;
 928                         if (pkey == NULL) goto end;
 929                         }
 930
 931                 i=X509_REQ_verify(req,pkey);
 932                 if (tmp) {
 933                         EVP_PKEY_free(pkey);
 934                         pkey=NULL;
 935                 }
 936
 937                 if (i < 0)
 938                         {
 939                         goto end;
 940                         }
 941                 else if (i == 0)
 942                         {
 943                         BIO_printf(bio_err,"verify failure\n");
 944                         ERR_print_errors(bio_err);
 945                         }
 946                 else /* if (i > 0) */
 947                         BIO_printf(bio_err,"verify OK\n");
 948                 }
 949
 950         if (noout && !text && !modulus && !subject && !pubkey)
 951                 {
 952                 ex=0;
 953                 goto end;
 954                 }
 955
 956         if (outfile == NULL)
 957                 {
 958                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 959 #ifdef OPENSSL_SYS_VMS
 960                 {
 961                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 962                 out = BIO_push(tmpbio, out);
 963                 }
 964 #endif
 965                 }
 966         else
 967                 {
 968                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 969                         i=(int)BIO_append_filename(out,outfile);
 970                 else
 971                         i=(int)BIO_write_filename(out,outfile);
 972                 if (!i)
 973                         {
 974                         perror(outfile);
 975                         goto end;
 976                         }
 977                 }
 978
 979         if (pubkey)
 980                 {
 981                 EVP_PKEY *tpubkey;
 982                 tpubkey=X509_REQ_get_pubkey(req);
 983                 if (tpubkey == NULL)
 984                         {
 985                         BIO_printf(bio_err,"Error getting public key\n");
 986                         ERR_print_errors(bio_err);
 987                         goto end;
 988                         }
 989                 PEM_write_bio_PUBKEY(out, tpubkey);
 990                 EVP_PKEY_free(tpubkey);
 991                 }
 992
 993         if (text)
 994                 {
 995                 if (x509)
 996                         X509_print_ex(out, x509ss, nmflag, reqflag);
 997                 else
 998                         X509_REQ_print_ex(out, req, nmflag, reqflag);
 999                 }
1000
1001         if(subject)
1002                 {
1003                 if(x509)
1004                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1005                 else
1006                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1007                 }
1008
1009         if (modulus)
1010                 {
1011                 EVP_PKEY *tpubkey;
1012
1013                 if (x509)
1014                         tpubkey=X509_get_pubkey(x509ss);
1015                 else
1016                         tpubkey=X509_REQ_get_pubkey(req);
1017                 if (tpubkey == NULL)
1018                         {
1019                         fprintf(stdout,"Modulus=unavailable\n");
1020                         goto end;
1021                         }
1022                 fprintf(stdout,"Modulus=");
1023 #ifndef OPENSSL_NO_RSA
1024                 if (tpubkey->type == EVP_PKEY_RSA)
1025                         BN_print(out,tpubkey->pkey.rsa->n);
1026                 else
1027 #endif
1028                         fprintf(stdout,"Wrong Algorithm type");
1029                 EVP_PKEY_free(tpubkey);
1030                 fprintf(stdout,"\n");
1031                 }
1032
1033         if (!noout && !x509)
1034                 {
1035                 if      (outformat == FORMAT_ASN1)
1036                         i=i2d_X509_REQ_bio(out,req);
1037                 else if (outformat == FORMAT_PEM) {
1038                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1039                         else i=PEM_write_bio_X509_REQ(out,req);
1040                 } else {
1041                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1042                         goto end;
1043                         }
1044                 if (!i)
1045                         {
1046                         BIO_printf(bio_err,"unable to write X509 request\n");
1047                         goto end;
1048                         }
1049                 }
1050         if (!noout && x509 && (x509ss != NULL))
1051                 {
1052                 if      (outformat == FORMAT_ASN1)
1053                         i=i2d_X509_bio(out,x509ss);
1054                 else if (outformat == FORMAT_PEM)
1055                         i=PEM_write_bio_X509(out,x509ss);
1056                 else    {
1057                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1058                         goto end;
1059                         }
1060                 if (!i)
1061                         {
1062                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1063                         goto end;
1064                         }
1065                 }
1066         ex=0;
1067 end:
1068 #ifndef MONOLITH
1069         if(to_free)
1070                 OPENSSL_free(to_free);
1071 #endif
1072         if (ex)
1073                 {
1074                 ERR_print_errors(bio_err);
1075                 }
1076         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1077         BIO_free(in);
1078         BIO_free_all(out);
1079         EVP_PKEY_free(pkey);
1080         X509_REQ_free(req);
1081         X509_free(x509ss);
1082         ASN1_INTEGER_free(serial);
1083         if(passargin && passin) OPENSSL_free(passin);
1084         if(passargout && passout) OPENSSL_free(passout);
1085         OBJ_cleanup();
1086 #ifndef OPENSSL_NO_DSA
1087         if (dsa_params != NULL) DSA_free(dsa_params);
1088 #endif
1089         apps_shutdown();
1090         OPENSSL_EXIT(ex);
1091         }
1092
1093 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1094                         unsigned long chtype)
1095         {
1096         int ret=0,i;
1097         char no_prompt = 0;
1098         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1099         char *tmp, *dn_sect,*attr_sect;
1100
1101         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1102         if (tmp == NULL)
1103                 ERR_clear_error();
1104         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1105
1106         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1107         if (dn_sect == NULL)
1108                 {
1109                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1110                         DISTINGUISHED_NAME);
1111                 goto err;
1112                 }
1113         dn_sk=NCONF_get_section(req_conf,dn_sect);
1114         if (dn_sk == NULL)
1115                 {
1116                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1117                 goto err;
1118                 }
1119
1120         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1121         if (attr_sect == NULL)
1122                 {
1123                 ERR_clear_error();
1124                 attr_sk=NULL;
1125                 }
1126         else
1127                 {
1128                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1129                 if (attr_sk == NULL)
1130                         {
1131                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1132                         goto err;
1133                         }
1134                 }
1135
1136         /* setup version number */
1137         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1138
1139         if (no_prompt)
1140                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1141         else
1142                 {
1143                 if (subj)
1144                         i = build_subject(req, subj, chtype);
1145                 else
1146                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1147                 }
1148         if(!i) goto err;
1149
1150         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1151
1152         ret=1;
1153 err:
1154         return(ret);
1155         }
1156
1157 /*
1158  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1159  * where characters may be escaped by \
1160  */
1161 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1162         {
1163         X509_NAME *n;
1164
1165         if (!(n = do_subject(subject, chtype)))
1166                 return 0;
1167
1168         if (!X509_REQ_set_subject_name(req, n))
1169                 {
1170                 X509_NAME_free(n);
1171                 return 0;
1172                 }
1173         X509_NAME_free(n);
1174         return 1;
1175 }
1176
1177
1178 static int prompt_info(X509_REQ *req,
1179                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1180                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1181                 unsigned long chtype)
1182         {
1183         int i;
1184         char *p,*q;
1185         char buf[100];
1186         int nid;
1187         long n_min,n_max;
1188         char *type,*def,*value;
1189         CONF_VALUE *v;
1190         X509_NAME *subj;
1191         subj = X509_REQ_get_subject_name(req);
1192
1193         if(!batch)
1194                 {
1195                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1196                 BIO_printf(bio_err,"into your certificate request.\n");
1197                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1198                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1199                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1200                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1201                 BIO_printf(bio_err,"-----\n");
1202                 }
1203
1204
1205         if (sk_CONF_VALUE_num(dn_sk))
1206                 {
1207                 i= -1;
1208 start:          for (;;)
1209                         {
1210                         i++;
1211                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1212
1213                         v=sk_CONF_VALUE_value(dn_sk,i);
1214                         p=q=NULL;
1215                         type=v->name;
1216                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1217                                 !check_end(type,"_default") ||
1218                                          !check_end(type,"_value")) continue;
1219                         /* Skip past any leading X. X: X, etc to allow for
1220                          * multiple instances
1221                          */
1222                         for(p = v->name; *p ; p++)
1223                                 if ((*p == ':') || (*p == ',') ||
1224                                                          (*p == '.')) {
1225                                         p++;
1226                                         if(*p) type = p;
1227                                         break;
1228                                 }
1229                         /* If OBJ not recognised ignore it */
1230                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1231                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1232                                 >= sizeof buf)
1233                            {
1234                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1235                            return 0;
1236                            }
1237
1238                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1239                                 {
1240                                 ERR_clear_error();
1241                                 def="";
1242                                 }
1243
1244                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1245                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1246                                 {
1247                                 ERR_clear_error();
1248                                 value=NULL;
1249                                 }
1250
1251                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1252                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1253                                 {
1254                                 ERR_clear_error();
1255                                 n_min = -1;
1256                                 }
1257
1258                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1259                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1260                                 {
1261                                 ERR_clear_error();
1262                                 n_max = -1;
1263                                 }
1264
1265                         if (!add_DN_object(subj,v->value,def,value,nid,
1266                                 n_min,n_max, chtype))
1267                                 return 0;
1268                         }
1269                 if (X509_NAME_entry_count(subj) == 0)
1270                         {
1271                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1272                         return 0;
1273                         }
1274
1275                 if (attribs)
1276                         {
1277                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1278                                 {
1279                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1280                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1281                                 }
1282
1283                         i= -1;
1284 start2:                 for (;;)
1285                                 {
1286                                 i++;
1287                                 if ((attr_sk == NULL) ||
1288                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1289                                         break;
1290
1291                                 v=sk_CONF_VALUE_value(attr_sk,i);
1292                                 type=v->name;
1293                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1294                                         goto start2;
1295
1296                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1297                                         >= sizeof buf)
1298                                    {
1299                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1300                                    return 0;
1301                                    }
1302
1303                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1304                                         == NULL)
1305                                         {
1306                                         ERR_clear_error();
1307                                         def="";
1308                                         }
1309
1310
1311                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1312                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1313                                         == NULL)
1314                                         {
1315                                         ERR_clear_error();
1316                                         value=NULL;
1317                                         }
1318
1319                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1320                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1321                                         n_min = -1;
1322
1323                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1324                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1325                                         n_max = -1;
1326
1327                                 if (!add_attribute_object(req,
1328                                         v->value,def,value,nid,n_min,n_max, chtype))
1329                                         return 0;
1330                                 }
1331                         }
1332                 }
1333         else
1334                 {
1335                 BIO_printf(bio_err,"No template, please set one up.\n");
1336                 return 0;
1337                 }
1338
1339         return 1;
1340
1341         }
1342
1343 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1344                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1345         {
1346         int i;
1347         char *p,*q;
1348         char *type;
1349         CONF_VALUE *v;
1350         X509_NAME *subj;
1351
1352         subj = X509_REQ_get_subject_name(req);
1353
1354         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1355                 {
1356                 v=sk_CONF_VALUE_value(dn_sk,i);
1357                 p=q=NULL;
1358                 type=v->name;
1359                 /* Skip past any leading X. X: X, etc to allow for
1360                  * multiple instances
1361                  */
1362                 for(p = v->name; *p ; p++)
1363 #ifndef CHARSET_EBCDIC
1364                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1365 #else
1366                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1367 #endif
1368                                 p++;
1369                                 if(*p) type = p;
1370                                 break;
1371                         }
1372                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1373                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1374
1375                 }
1376
1377                 if (!X509_NAME_entry_count(subj))
1378                         {
1379                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1380                         return 0;
1381                         }
1382                 if (attribs)
1383                         {
1384                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1385                                 {
1386                                 v=sk_CONF_VALUE_value(attr_sk,i);
1387                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1388                                         (unsigned char *)v->value, -1)) return 0;
1389                                 }
1390                         }
1391         return 1;
1392         }
1393
1394
1395 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1396              int nid, int n_min, int n_max, unsigned long chtype)
1397         {
1398         int i,ret=0;
1399         MS_STATIC char buf[1024];
1400 start:
1401         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1402         (void)BIO_flush(bio_err);
1403         if(value != NULL)
1404                 {
1405                 BUF_strlcpy(buf,value,sizeof buf);
1406                 BUF_strlcat(buf,"\n",sizeof buf);
1407                 BIO_printf(bio_err,"%s\n",value);
1408                 }
1409         else
1410                 {
1411                 buf[0]='\0';
1412                 if (!batch)
1413                         {
1414                         fgets(buf,sizeof buf,stdin);
1415                         }
1416                 else
1417                         {
1418                         buf[0] = '\n';
1419                         buf[1] = '\0';
1420                         }
1421                 }
1422
1423         if (buf[0] == '\0') return(0);
1424         else if (buf[0] == '\n')
1425                 {
1426                 if ((def == NULL) || (def[0] == '\0'))
1427                         return(1);
1428                 BUF_strlcpy(buf,def,sizeof buf);
1429                 BUF_strlcat(buf,"\n",sizeof buf);
1430                 }
1431         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1432
1433         i=strlen(buf);
1434         if (buf[i-1] != '\n')
1435                 {
1436                 BIO_printf(bio_err,"weird input :-(\n");
1437                 return(0);
1438                 }
1439         buf[--i]='\0';
1440 #ifdef CHARSET_EBCDIC
1441         ebcdic2ascii(buf, buf, i);
1442 #endif
1443         if(!req_check_len(i, n_min, n_max)) goto start;
1444         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1445                                 (unsigned char *) buf, -1,-1,0)) goto err;
1446         ret=1;
1447 err:
1448         return(ret);
1449         }
1450
1451 static int add_attribute_object(X509_REQ *req, char *text,
1452                                 char *def, char *value, int nid, int n_min,
1453                                 int n_max, unsigned long chtype)
1454         {
1455         int i;
1456         static char buf[1024];
1457
1458 start:
1459         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1460         (void)BIO_flush(bio_err);
1461         if (value != NULL)
1462                 {
1463                 BUF_strlcpy(buf,value,sizeof buf);
1464                 BUF_strlcat(buf,"\n",sizeof buf);
1465                 BIO_printf(bio_err,"%s\n",value);
1466                 }
1467         else
1468                 {
1469                 buf[0]='\0';
1470                 if (!batch)
1471                         {
1472                         fgets(buf,sizeof buf,stdin);
1473                         }
1474                 else
1475                         {
1476                         buf[0] = '\n';
1477                         buf[1] = '\0';
1478                         }
1479                 }
1480
1481         if (buf[0] == '\0') return(0);
1482         else if (buf[0] == '\n')
1483                 {
1484                 if ((def == NULL) || (def[0] == '\0'))
1485                         return(1);
1486                 BUF_strlcpy(buf,def,sizeof buf);
1487                 BUF_strlcat(buf,"\n",sizeof buf);
1488                 }
1489         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1490
1491         i=strlen(buf);
1492         if (buf[i-1] != '\n')
1493                 {
1494                 BIO_printf(bio_err,"weird input :-(\n");
1495                 return(0);
1496                 }
1497         buf[--i]='\0';
1498 #ifdef CHARSET_EBCDIC
1499         ebcdic2ascii(buf, buf, i);
1500 #endif
1501         if(!req_check_len(i, n_min, n_max)) goto start;
1502
1503         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1504                                         (unsigned char *)buf, -1)) {
1505                 BIO_printf(bio_err, "Error adding attribute\n");
1506                 ERR_print_errors(bio_err);
1507                 goto err;
1508         }
1509
1510         return(1);
1511 err:
1512         return(0);
1513         }
1514
1515 #ifndef OPENSSL_NO_RSA
1516 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1517         {
1518         char c='*';
1519
1520         if (p == 0) c='.';
1521         if (p == 1) c='+';
1522         if (p == 2) c='*';
1523         if (p == 3) c='\n';
1524         BIO_write((BIO *)arg,&c,1);
1525         (void)BIO_flush((BIO *)arg);
1526 #ifdef LINT
1527         p=n;
1528 #endif
1529         }
1530 #endif
1531
1532 static int req_check_len(int len, int n_min, int n_max)
1533         {
1534         if ((n_min > 0) && (len < n_min))
1535                 {
1536                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1537                 return(0);
1538                 }
1539         if ((n_max >= 0) && (len > n_max))
1540                 {
1541                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1542                 return(0);
1543                 }
1544         return(1);
1545         }
1546
1547 /* Check if the end of a string matches 'end' */
1548 static int check_end(char *str, char *end)
1549 {
1550         int elen, slen;
1551         char *tmp;
1552         elen = strlen(end);
1553         slen = strlen(str);
1554         if(elen > slen) return 1;
1555         tmp = str + slen - elen;
1556         return strcmp(tmp, end);
1557 }