apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/evp.h>
  69 #include <openssl/conf.h>
  70 #include <openssl/err.h>
  71 #include <openssl/asn1.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define PROMPT          "prompt"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85 #define REQ_EXTENSIONS  "req_extensions"
  86 #define STRING_MASK     "string_mask"
  87 #define UTF8_IN         "utf8"
  88
  89 #define DEFAULT_KEY_LENGTH      512
  90 #define MIN_KEY_LENGTH          384
  91
  92 #undef PROG
  93 #define PROG    req_main
  94
  95 /* -inform arg  - input format - default PEM (DER or PEM)
  96  * -outform arg - output format - default PEM
  97  * -in arg      - input file - default stdin
  98  * -out arg     - output file - default stdout
  99  * -verify      - check request signature
 100  * -noout       - don't print stuff out.
 101  * -text        - print out human readable text.
 102  * -nodes       - no des encryption
 103  * -config file - Load configuration file.
 104  * -key file    - make a request using key in file (or use it for verification).
 105  * -keyform arg - key file format.
 106  * -rand file(s) - load the file(s) into the PRNG.
 107  * -newkey      - make a key and a request.
 108  * -modulus     - print RSA modulus.
 109  * -pubkey      - output Public Key.
 110  * -x509        - output a self signed X509 structure instead.
 111  * -asn1-kludge - output new certificate request in a format that some CA's
 112  *                require.  This format is wrong
 113  */
 114
 115 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 116                 unsigned long chtype);
 117 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 118 static int prompt_info(X509_REQ *req,
 119                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 120                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 121                 unsigned long chtype);
 122 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 123                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 124                                 unsigned long chtype);
 125 static int add_attribute_object(X509_REQ *req, char *text,
 126                                 char *def, char *value, int nid, int n_min,
 127                                 int n_max, unsigned long chtype);
 128 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 129         int nid,int n_min,int n_max, unsigned long chtype);
 130 #ifndef OPENSSL_NO_RSA
 131 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 132 #endif
 133 static int req_check_len(int len,int n_min,int n_max);
 134 static int check_end(char *str, char *end);
 135 #ifndef MONOLITH
 136 static char *default_config_file=NULL;
 137 static CONF *config=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145
 146 int MAIN(int, char **);
 147
 148 int MAIN(int argc, char **argv)
 149         {
 150         ENGINE *e = NULL;
 151 #ifndef OPENSSL_NO_DSA
 152         DSA *dsa_params=NULL;
 153 #endif
 154         unsigned long nmflag = 0;
 155         int ex=1,x509=0,days=30;
 156         X509 *x509ss=NULL;
 157         X509_REQ *req=NULL;
 158         EVP_PKEY *pkey=NULL;
 159         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 160         long newkey = -1;
 161         BIO *in=NULL,*out=NULL;
 162         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 163         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 164         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 165         char *engine=NULL;
 166         char *extensions = NULL;
 167         char *req_exts = NULL;
 168         const EVP_CIPHER *cipher=NULL;
 169         ASN1_INTEGER *serial = NULL;
 170         int modulus=0;
 171         char *inrand=NULL;
 172         char *passargin = NULL, *passargout = NULL;
 173         char *passin = NULL, *passout = NULL;
 174         char *p;
 175         char *subj = NULL;
 176         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 177         unsigned long chtype = MBSTRING_ASC;
 178 #ifndef MONOLITH
 179         MS_STATIC char config_name[256];
 180 #endif
 181
 182         req_conf = NULL;
 183 #ifndef OPENSSL_NO_DES
 184         cipher=EVP_des_ede3_cbc();
 185 #endif
 186         apps_startup();
 187
 188         if (bio_err == NULL)
 189                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 190                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 191
 192         infile=NULL;
 193         outfile=NULL;
 194         informat=FORMAT_PEM;
 195         outformat=FORMAT_PEM;
 196
 197         prog=argv[0];
 198         argc--;
 199         argv++;
 200         while (argc >= 1)
 201                 {
 202                 if      (strcmp(*argv,"-inform") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         informat=str2fmt(*(++argv));
 206                         }
 207                 else if (strcmp(*argv,"-outform") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         outformat=str2fmt(*(++argv));
 211                         }
 212                 else if (strcmp(*argv,"-engine") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         engine= *(++argv);
 216                         }
 217                 else if (strcmp(*argv,"-key") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         keyfile= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-pubkey") == 0)
 223                         {
 224                         pubkey=1;
 225                         }
 226                 else if (strcmp(*argv,"-new") == 0)
 227                         {
 228                         newreq=1;
 229                         }
 230                 else if (strcmp(*argv,"-config") == 0)
 231                         {
 232                         if (--argc < 1) goto bad;
 233                         template= *(++argv);
 234                         }
 235                 else if (strcmp(*argv,"-keyform") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         keyform=str2fmt(*(++argv));
 239                         }
 240                 else if (strcmp(*argv,"-in") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         infile= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-out") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         outfile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-keyout") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         keyout= *(++argv);
 254                         }
 255                 else if (strcmp(*argv,"-passin") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         passargin= *(++argv);
 259                         }
 260                 else if (strcmp(*argv,"-passout") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         passargout= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-rand") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         inrand= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-newkey") == 0)
 271                         {
 272                         int is_numeric;
 273
 274                         if (--argc < 1) goto bad;
 275                         p= *(++argv);
 276                         is_numeric = p[0] >= '0' && p[0] <= '9';
 277                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 278                                 {
 279                                 pkey_type=TYPE_RSA;
 280                                 if(!is_numeric)
 281                                     p+=4;
 282                                 newkey= atoi(p);
 283                                 }
 284                         else
 285 #ifndef OPENSSL_NO_DSA
 286                                 if (strncmp("dsa:",p,4) == 0)
 287                                 {
 288                                 X509 *xtmp=NULL;
 289                                 EVP_PKEY *dtmp;
 290
 291                                 pkey_type=TYPE_DSA;
 292                                 p+=4;
 293                                 if ((in=BIO_new_file(p,"r")) == NULL)
 294                                         {
 295                                         perror(p);
 296                                         goto end;
 297                                         }
 298                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 299                                         {
 300                                         ERR_clear_error();
 301                                         (void)BIO_reset(in);
 302                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 303                                                 {
 304                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 305                                                 goto end;
 306                                                 }
 307
 308                                         dtmp=X509_get_pubkey(xtmp);
 309                                         if (dtmp->type == EVP_PKEY_DSA)
 310                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 311                                         EVP_PKEY_free(dtmp);
 312                                         X509_free(xtmp);
 313                                         if (dsa_params == NULL)
 314                                                 {
 315                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 316                                                 goto end;
 317                                                 }
 318                                         }
 319                                 BIO_free(in);
 320                                 newkey=BN_num_bits(dsa_params->p);
 321                                 in=NULL;
 322                                 }
 323                         else
 324 #endif
 325 #ifndef OPENSSL_NO_DH
 326                                 if (strncmp("dh:",p,4) == 0)
 327                                 {
 328                                 pkey_type=TYPE_DH;
 329                                 p+=3;
 330                                 }
 331                         else
 332 #endif
 333                                 pkey_type=TYPE_RSA;
 334
 335                         newreq=1;
 336                         }
 337                 else if (strcmp(*argv,"-batch") == 0)
 338                         batch=1;
 339                 else if (strcmp(*argv,"-newhdr") == 0)
 340                         newhdr=1;
 341                 else if (strcmp(*argv,"-modulus") == 0)
 342                         modulus=1;
 343                 else if (strcmp(*argv,"-verify") == 0)
 344                         verify=1;
 345                 else if (strcmp(*argv,"-nodes") == 0)
 346                         nodes=1;
 347                 else if (strcmp(*argv,"-noout") == 0)
 348                         noout=1;
 349                 else if (strcmp(*argv,"-verbose") == 0)
 350                         verbose=1;
 351                 else if (strcmp(*argv,"-utf8") == 0)
 352                         chtype = MBSTRING_UTF8;
 353                 else if (strcmp(*argv,"-nameopt") == 0)
 354                         {
 355                         if (--argc < 1) goto bad;
 356                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 357                         }
 358                 else if (strcmp(*argv,"-subject") == 0)
 359                         subject=1;
 360                 else if (strcmp(*argv,"-text") == 0)
 361                         text=1;
 362                 else if (strcmp(*argv,"-x509") == 0)
 363                         x509=1;
 364                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 365                         kludge=1;
 366                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 367                         kludge=0;
 368                 else if (strcmp(*argv,"-subj") == 0)
 369                         {
 370                         if (--argc < 1) goto bad;
 371                         subj= *(++argv);
 372                         }
 373                 else if (strcmp(*argv,"-days") == 0)
 374                         {
 375                         if (--argc < 1) goto bad;
 376                         days= atoi(*(++argv));
 377                         if (days == 0) days=30;
 378                         }
 379                 else if (strcmp(*argv,"-set_serial") == 0)
 380                         {
 381                         if (--argc < 1) goto bad;
 382                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 383                         if (!serial) goto bad;
 384                         }
 385                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 386                         {
 387                         /* ok */
 388                         digest=md_alg;
 389                         }
 390                 else if (strcmp(*argv,"-extensions") == 0)
 391                         {
 392                         if (--argc < 1) goto bad;
 393                         extensions = *(++argv);
 394                         }
 395                 else if (strcmp(*argv,"-reqexts") == 0)
 396                         {
 397                         if (--argc < 1) goto bad;
 398                         req_exts = *(++argv);
 399                         }
 400                 else
 401                         {
 402                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 403                         badops=1;
 404                         break;
 405                         }
 406                 argc--;
 407                 argv++;
 408                 }
 409
 410         if (badops)
 411                 {
 412 bad:
 413                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 414                 BIO_printf(bio_err,"where options  are\n");
 415                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 416                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 417                 BIO_printf(bio_err," -in arg        input file\n");
 418                 BIO_printf(bio_err," -out arg       output file\n");
 419                 BIO_printf(bio_err," -text          text form of request\n");
 420                 BIO_printf(bio_err," -pubkey        output public key\n");
 421                 BIO_printf(bio_err," -noout         do not output REQ\n");
 422                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 423                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 424                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 425                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 426                 BIO_printf(bio_err," -subject       output the request's subject\n");
 427                 BIO_printf(bio_err," -passin        private key password source\n");
 428                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 429                 BIO_printf(bio_err," -keyform arg   key file format\n");
 430                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 431                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 432                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 433                 BIO_printf(bio_err,"                the random number generator\n");
 434                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 435                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 436                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 437                 BIO_printf(bio_err," -config file   request template file.\n");
 438                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 439                 BIO_printf(bio_err," -new           new request.\n");
 440                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 441                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 442                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 443                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 444                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 445                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 446                 BIO_printf(bio_err,"                have been reported as requiring\n");
 447                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 448                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 449                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 450                 goto end;
 451                 }
 452
 453         ERR_load_crypto_strings();
 454         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 455                 BIO_printf(bio_err, "Error getting passwords\n");
 456                 goto end;
 457         }
 458
 459 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 460         /* Lets load up our environment a little */
 461         p=getenv("OPENSSL_CONF");
 462         if (p == NULL)
 463                 p=getenv("SSLEAY_CONF");
 464         if (p == NULL)
 465                 {
 466                 strcpy(config_name,X509_get_default_cert_area());
 467 #ifndef OPENSSL_SYS_VMS
 468                 strcat(config_name,"/");
 469 #endif
 470                 strcat(config_name,OPENSSL_CONF);
 471                 p=config_name;
 472                 }
 473         default_config_file=p;
 474         config=NCONF_new(NULL);
 475         i=NCONF_load(config, p);
 476 #endif
 477
 478         if (template != NULL)
 479                 {
 480                 long errline;
 481
 482                 if( verbose )
 483                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 484                 req_conf=NCONF_new(NULL);
 485                 i=NCONF_load(req_conf,template,&errline);
 486                 if (i == 0)
 487                         {
 488                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 489                         goto end;
 490                         }
 491                 }
 492         else
 493                 {
 494                 req_conf=config;
 495                 if( verbose )
 496                         BIO_printf(bio_err,"Using configuration from %s\n",
 497                         default_config_file);
 498                 if (req_conf == NULL)
 499                         {
 500                         BIO_printf(bio_err,"Unable to load config info\n");
 501                         }
 502                 }
 503
 504         if (req_conf != NULL)
 505                 {
 506                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 507                 if (p == NULL)
 508                         ERR_clear_error();
 509                 if (p != NULL)
 510                         {
 511                         BIO *oid_bio;
 512
 513                         oid_bio=BIO_new_file(p,"r");
 514                         if (oid_bio == NULL)
 515                                 {
 516                                 /*
 517                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 518                                 ERR_print_errors(bio_err);
 519                                 */
 520                                 }
 521                         else
 522                                 {
 523                                 OBJ_create_objects(oid_bio);
 524                                 BIO_free(oid_bio);
 525                                 }
 526                         }
 527                 }
 528         if(!add_oid_section(bio_err, req_conf)) goto end;
 529
 530         if (md_alg == NULL)
 531                 {
 532                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 533                 if (p == NULL)
 534                         ERR_clear_error();
 535                 if (p != NULL)
 536                         {
 537                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 538                                 digest=md_alg;
 539                         }
 540                 }
 541
 542         if (!extensions)
 543                 {
 544                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 545                 if (!extensions)
 546                         ERR_clear_error();
 547                 }
 548         if (extensions) {
 549                 /* Check syntax of file */
 550                 X509V3_CTX ctx;
 551                 X509V3_set_ctx_test(&ctx);
 552                 X509V3_set_nconf(&ctx, req_conf);
 553                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 554                         BIO_printf(bio_err,
 555                          "Error Loading extension section %s\n", extensions);
 556                         goto end;
 557                 }
 558         }
 559
 560         if(!passin)
 561                 {
 562                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 563                 if (!passin)
 564                         ERR_clear_error();
 565                 }
 566
 567         if(!passout)
 568                 {
 569                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 570                 if (!passout)
 571                         ERR_clear_error();
 572                 }
 573
 574         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 575         if (!p)
 576                 ERR_clear_error();
 577
 578         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 579                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 580                 goto end;
 581         }
 582
 583         if (chtype != MBSTRING_UTF8)
 584                 {
 585                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 586                 if (!p)
 587                         ERR_clear_error();
 588                 else if (!strcmp(p, "yes"))
 589                         chtype = MBSTRING_UTF8;
 590                 }
 591
 592
 593         if(!req_exts)
 594                 {
 595                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 596                 if (!req_exts)
 597                         ERR_clear_error();
 598                 }
 599         if(req_exts) {
 600                 /* Check syntax of file */
 601                 X509V3_CTX ctx;
 602                 X509V3_set_ctx_test(&ctx);
 603                 X509V3_set_nconf(&ctx, req_conf);
 604                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 605                         BIO_printf(bio_err,
 606                          "Error Loading request extension section %s\n",
 607                                                                 req_exts);
 608                         goto end;
 609                 }
 610         }
 611
 612         in=BIO_new(BIO_s_file());
 613         out=BIO_new(BIO_s_file());
 614         if ((in == NULL) || (out == NULL))
 615                 goto end;
 616
 617         e = setup_engine(bio_err, engine, 0);
 618
 619         if (keyfile != NULL)
 620                 {
 621                 pkey = load_key(bio_err, keyfile, keyform, passin, e,
 622                         "Private Key");
 623                 if (!pkey)
 624                         {
 625                         /* load_key() has already printed an appropriate
 626                            message */
 627                         goto end;
 628                         }
 629                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 630                         {
 631                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 632                         if (randfile == NULL)
 633                                 ERR_clear_error();
 634                         app_RAND_load_file(randfile, bio_err, 0);
 635                         }
 636                 }
 637
 638         if (newreq && (pkey == NULL))
 639                 {
 640                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 641                 if (randfile == NULL)
 642                         ERR_clear_error();
 643                 app_RAND_load_file(randfile, bio_err, 0);
 644                 if (inrand)
 645                         app_RAND_load_files(inrand);
 646
 647                 if (newkey <= 0)
 648                         {
 649                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 650                                 newkey=DEFAULT_KEY_LENGTH;
 651                         }
 652
 653                 if (newkey < MIN_KEY_LENGTH)
 654                         {
 655                         BIO_printf(bio_err,"private key length is too short,\n");
 656                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 657                         goto end;
 658                         }
 659                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 660                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 661
 662                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 663
 664 #ifndef OPENSSL_NO_RSA
 665                 if (pkey_type == TYPE_RSA)
 666                         {
 667                         if (!EVP_PKEY_assign_RSA(pkey,
 668                                 RSA_generate_key(newkey,0x10001,
 669                                         req_cb,bio_err)))
 670                                 goto end;
 671                         }
 672                 else
 673 #endif
 674 #ifndef OPENSSL_NO_DSA
 675                         if (pkey_type == TYPE_DSA)
 676                         {
 677                         if (!DSA_generate_key(dsa_params)) goto end;
 678                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 679                         dsa_params=NULL;
 680                         }
 681 #endif
 682
 683                 app_RAND_write_file(randfile, bio_err);
 684
 685                 if (pkey == NULL) goto end;
 686
 687                 if (keyout == NULL)
 688                         {
 689                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 690                         if (keyout == NULL)
 691                                 ERR_clear_error();
 692                         }
 693
 694                 if (keyout == NULL)
 695                         {
 696                         BIO_printf(bio_err,"writing new private key to stdout\n");
 697                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 698 #ifdef OPENSSL_SYS_VMS
 699                         {
 700                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 701                         out = BIO_push(tmpbio, out);
 702                         }
 703 #endif
 704                         }
 705                 else
 706                         {
 707                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 708                         if (BIO_write_filename(out,keyout) <= 0)
 709                                 {
 710                                 perror(keyout);
 711                                 goto end;
 712                                 }
 713                         }
 714
 715                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 716                 if (p == NULL)
 717                         {
 718                         ERR_clear_error();
 719                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 720                         if (p == NULL)
 721                                 ERR_clear_error();
 722                         }
 723                 if ((p != NULL) && (strcmp(p,"no") == 0))
 724                         cipher=NULL;
 725                 if (nodes) cipher=NULL;
 726
 727                 i=0;
 728 loop:
 729                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 730                         NULL,0,NULL,passout))
 731                         {
 732                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 733                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 734                                 {
 735                                 ERR_clear_error();
 736                                 i++;
 737                                 goto loop;
 738                                 }
 739                         goto end;
 740                         }
 741                 BIO_printf(bio_err,"-----\n");
 742                 }
 743
 744         if (!newreq)
 745                 {
 746                 /* Since we are using a pre-existing certificate
 747                  * request, the kludge 'format' info should not be
 748                  * changed. */
 749                 kludge= -1;
 750                 if (infile == NULL)
 751                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 752                 else
 753                         {
 754                         if (BIO_read_filename(in,infile) <= 0)
 755                                 {
 756                                 perror(infile);
 757                                 goto end;
 758                                 }
 759                         }
 760
 761                 if      (informat == FORMAT_ASN1)
 762                         req=d2i_X509_REQ_bio(in,NULL);
 763                 else if (informat == FORMAT_PEM)
 764                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 765                 else
 766                         {
 767                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 768                         goto end;
 769                         }
 770                 if (req == NULL)
 771                         {
 772                         BIO_printf(bio_err,"unable to load X509 request\n");
 773                         goto end;
 774                         }
 775                 }
 776
 777         if (newreq || x509)
 778                 {
 779                 if (pkey == NULL)
 780                         {
 781                         BIO_printf(bio_err,"you need to specify a private key\n");
 782                         goto end;
 783                         }
 784 #ifndef OPENSSL_NO_DSA
 785                 if (pkey->type == EVP_PKEY_DSA)
 786                         digest=EVP_dss1();
 787 #endif
 788                 if (req == NULL)
 789                         {
 790                         req=X509_REQ_new();
 791                         if (req == NULL)
 792                                 {
 793                                 goto end;
 794                                 }
 795
 796                         i=make_REQ(req,pkey,subj,!x509, chtype);
 797                         subj=NULL; /* done processing '-subj' option */
 798                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 799                                 {
 800                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 801                                 req->req_info->attributes = NULL;
 802                                 }
 803                         if (!i)
 804                                 {
 805                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 806                                 goto end;
 807                                 }
 808                         }
 809                 if (x509)
 810                         {
 811                         EVP_PKEY *tmppkey;
 812                         X509V3_CTX ext_ctx;
 813                         if ((x509ss=X509_new()) == NULL) goto end;
 814
 815                         /* Set version to V3 */
 816                         if(!X509_set_version(x509ss, 2)) goto end;
 817                         if (serial)
 818                                 X509_set_serialNumber(x509ss, serial);
 819                         else
 820                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 821
 822                         X509_set_issuer_name(x509ss,
 823                                 X509_REQ_get_subject_name(req));
 824                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 825                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 826                                 (long)60*60*24*days);
 827                         X509_set_subject_name(x509ss,
 828                                 X509_REQ_get_subject_name(req));
 829                         tmppkey = X509_REQ_get_pubkey(req);
 830                         X509_set_pubkey(x509ss,tmppkey);
 831                         EVP_PKEY_free(tmppkey);
 832
 833                         /* Set up V3 context struct */
 834
 835                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 836                         X509V3_set_nconf(&ext_ctx, req_conf);
 837
 838                         /* Add extensions */
 839                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 840                                         &ext_ctx, extensions, x509ss))
 841                                 {
 842                                 BIO_printf(bio_err,
 843                                         "Error Loading extension section %s\n",
 844                                         extensions);
 845                                 goto end;
 846                                 }
 847
 848                         if (!(i=X509_sign(x509ss,pkey,digest)))
 849                                 goto end;
 850                         }
 851                 else
 852                         {
 853                         X509V3_CTX ext_ctx;
 854
 855                         /* Set up V3 context struct */
 856
 857                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 858                         X509V3_set_nconf(&ext_ctx, req_conf);
 859
 860                         /* Add extensions */
 861                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 862                                         &ext_ctx, req_exts, req))
 863                                 {
 864                                 BIO_printf(bio_err,
 865                                         "Error Loading extension section %s\n",
 866                                         req_exts);
 867                                 goto end;
 868                                 }
 869                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 870                                 goto end;
 871                         }
 872                 }
 873
 874         if (subj && x509)
 875                 {
 876                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 877                 goto end;
 878                 }
 879
 880         if (subj && !x509)
 881                 {
 882                 if (verbose)
 883                         {
 884                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 885                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 886                         }
 887
 888                 if (build_subject(req, subj, chtype) == 0)
 889                         {
 890                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 891                         ex=1;
 892                         goto end;
 893                         }
 894
 895                 req->req_info->enc.modified = 1;
 896
 897                 if (verbose)
 898                         {
 899                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 900                         }
 901                 }
 902
 903         if (verify && !x509)
 904                 {
 905                 int tmp=0;
 906
 907                 if (pkey == NULL)
 908                         {
 909                         pkey=X509_REQ_get_pubkey(req);
 910                         tmp=1;
 911                         if (pkey == NULL) goto end;
 912                         }
 913
 914                 i=X509_REQ_verify(req,pkey);
 915                 if (tmp) {
 916                         EVP_PKEY_free(pkey);
 917                         pkey=NULL;
 918                 }
 919
 920                 if (i < 0)
 921                         {
 922                         goto end;
 923                         }
 924                 else if (i == 0)
 925                         {
 926                         BIO_printf(bio_err,"verify failure\n");
 927                         ERR_print_errors(bio_err);
 928                         }
 929                 else /* if (i > 0) */
 930                         BIO_printf(bio_err,"verify OK\n");
 931                 }
 932
 933         if (noout && !text && !modulus && !subject && !pubkey)
 934                 {
 935                 ex=0;
 936                 goto end;
 937                 }
 938
 939         if (outfile == NULL)
 940                 {
 941                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 942 #ifdef OPENSSL_SYS_VMS
 943                 {
 944                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 945                 out = BIO_push(tmpbio, out);
 946                 }
 947 #endif
 948                 }
 949         else
 950                 {
 951                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 952                         i=(int)BIO_append_filename(out,outfile);
 953                 else
 954                         i=(int)BIO_write_filename(out,outfile);
 955                 if (!i)
 956                         {
 957                         perror(outfile);
 958                         goto end;
 959                         }
 960                 }
 961
 962         if (pubkey)
 963                 {
 964                 EVP_PKEY *tpubkey;
 965                 tpubkey=X509_REQ_get_pubkey(req);
 966                 if (tpubkey == NULL)
 967                         {
 968                         BIO_printf(bio_err,"Error getting public key\n");
 969                         ERR_print_errors(bio_err);
 970                         goto end;
 971                         }
 972                 PEM_write_bio_PUBKEY(out, tpubkey);
 973                 EVP_PKEY_free(tpubkey);
 974                 }
 975
 976         if (text)
 977                 {
 978                 if (x509)
 979                         X509_print(out,x509ss);
 980                 else
 981                         X509_REQ_print(out,req);
 982                 }
 983
 984         if(subject)
 985                 {
 986                 if(x509)
 987                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
 988                 else
 989                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
 990                 }
 991
 992         if (modulus)
 993                 {
 994                 EVP_PKEY *tpubkey;
 995
 996                 if (x509)
 997                         tpubkey=X509_get_pubkey(x509ss);
 998                 else
 999                         tpubkey=X509_REQ_get_pubkey(req);
1000                 if (tpubkey == NULL)
1001                         {
1002                         fprintf(stdout,"Modulus=unavailable\n");
1003                         goto end;
1004                         }
1005                 fprintf(stdout,"Modulus=");
1006 #ifndef OPENSSL_NO_RSA
1007                 if (tpubkey->type == EVP_PKEY_RSA)
1008                         BN_print(out,tpubkey->pkey.rsa->n);
1009                 else
1010 #endif
1011                         fprintf(stdout,"Wrong Algorithm type");
1012                 EVP_PKEY_free(tpubkey);
1013                 fprintf(stdout,"\n");
1014                 }
1015
1016         if (!noout && !x509)
1017                 {
1018                 if      (outformat == FORMAT_ASN1)
1019                         i=i2d_X509_REQ_bio(out,req);
1020                 else if (outformat == FORMAT_PEM) {
1021                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1022                         else i=PEM_write_bio_X509_REQ(out,req);
1023                 } else {
1024                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1025                         goto end;
1026                         }
1027                 if (!i)
1028                         {
1029                         BIO_printf(bio_err,"unable to write X509 request\n");
1030                         goto end;
1031                         }
1032                 }
1033         if (!noout && x509 && (x509ss != NULL))
1034                 {
1035                 if      (outformat == FORMAT_ASN1)
1036                         i=i2d_X509_bio(out,x509ss);
1037                 else if (outformat == FORMAT_PEM)
1038                         i=PEM_write_bio_X509(out,x509ss);
1039                 else    {
1040                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1041                         goto end;
1042                         }
1043                 if (!i)
1044                         {
1045                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1046                         goto end;
1047                         }
1048                 }
1049         ex=0;
1050 end:
1051         if (ex)
1052                 {
1053                 ERR_print_errors(bio_err);
1054                 }
1055         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1056         BIO_free(in);
1057         BIO_free_all(out);
1058         EVP_PKEY_free(pkey);
1059         X509_REQ_free(req);
1060         X509_free(x509ss);
1061         ASN1_INTEGER_free(serial);
1062         if(passargin && passin) OPENSSL_free(passin);
1063         if(passargout && passout) OPENSSL_free(passout);
1064         OBJ_cleanup();
1065 #ifndef OPENSSL_NO_DSA
1066         if (dsa_params != NULL) DSA_free(dsa_params);
1067 #endif
1068         apps_shutdown();
1069         EXIT(ex);
1070         }
1071
1072 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1073                         unsigned long chtype)
1074         {
1075         int ret=0,i;
1076         char no_prompt = 0;
1077         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1078         char *tmp, *dn_sect,*attr_sect;
1079
1080         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1081         if (tmp == NULL)
1082                 ERR_clear_error();
1083         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1084
1085         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1086         if (dn_sect == NULL)
1087                 {
1088                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1089                         DISTINGUISHED_NAME);
1090                 goto err;
1091                 }
1092         dn_sk=NCONF_get_section(req_conf,dn_sect);
1093         if (dn_sk == NULL)
1094                 {
1095                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1096                 goto err;
1097                 }
1098
1099         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1100         if (attr_sect == NULL)
1101                 {
1102                 ERR_clear_error();
1103                 attr_sk=NULL;
1104                 }
1105         else
1106                 {
1107                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1108                 if (attr_sk == NULL)
1109                         {
1110                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1111                         goto err;
1112                         }
1113                 }
1114
1115         /* setup version number */
1116         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1117
1118         if (no_prompt)
1119                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1120         else
1121                 {
1122                 if (subj)
1123                         i = build_subject(req, subj, chtype);
1124                 else
1125                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1126                 }
1127         if(!i) goto err;
1128
1129         X509_REQ_set_pubkey(req,pkey);
1130
1131         ret=1;
1132 err:
1133         return(ret);
1134         }
1135
1136 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1137         {
1138         X509_NAME *n = NULL;
1139
1140         int i, nid, ne_num=0;
1141
1142         char *ne_name = NULL;
1143         char *ne_value = NULL;
1144
1145         char *tmp = NULL;
1146         char *p[2];
1147
1148         char *str_list[256];
1149
1150         p[0] = ",/";
1151         p[1] = "=";
1152
1153         n = X509_NAME_new();
1154
1155         tmp = strtok(subject, p[0]);
1156         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1157                 {
1158                 char *token = tmp;
1159
1160                 while (token[0] == ' ')
1161                         token++;
1162                 str_list[ne_num] = token;
1163
1164                 tmp = strtok(NULL, p[0]);
1165                 ne_num++;
1166                 }
1167
1168         for(i = 0; i < ne_num; i++)
1169                 {
1170                 ne_name  = strtok(str_list[i], p[1]);
1171                 ne_value = strtok(NULL, p[1]);
1172
1173                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1174                         {
1175                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1176                         continue;
1177                         }
1178
1179                 if (ne_value == NULL)
1180                         {
1181                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1182                         continue;
1183                         }
1184
1185                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_value, -1,-1,0))
1186                         {
1187                         X509_NAME_free(n);
1188                         return 0;
1189                         }
1190                 }
1191
1192         if (!X509_REQ_set_subject_name(req, n))
1193                 return 0;
1194         X509_NAME_free(n);
1195         return 1;
1196 }
1197
1198
1199 static int prompt_info(X509_REQ *req,
1200                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1201                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1202                 unsigned long chtype)
1203         {
1204         int i;
1205         char *p,*q;
1206         char buf[100];
1207         int nid;
1208         long n_min,n_max;
1209         char *type,*def,*value;
1210         CONF_VALUE *v;
1211         X509_NAME *subj;
1212         subj = X509_REQ_get_subject_name(req);
1213
1214         if(!batch)
1215                 {
1216                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1217                 BIO_printf(bio_err,"into your certificate request.\n");
1218                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1219                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1220                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1221                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1222                 BIO_printf(bio_err,"-----\n");
1223                 }
1224
1225
1226         if (sk_CONF_VALUE_num(dn_sk))
1227                 {
1228                 i= -1;
1229 start:          for (;;)
1230                         {
1231                         i++;
1232                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1233
1234                         v=sk_CONF_VALUE_value(dn_sk,i);
1235                         p=q=NULL;
1236                         type=v->name;
1237                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1238                                 !check_end(type,"_default") ||
1239                                          !check_end(type,"_value")) continue;
1240                         /* Skip past any leading X. X: X, etc to allow for
1241                          * multiple instances
1242                          */
1243                         for(p = v->name; *p ; p++)
1244                                 if ((*p == ':') || (*p == ',') ||
1245                                                          (*p == '.')) {
1246                                         p++;
1247                                         if(*p) type = p;
1248                                         break;
1249                                 }
1250                         /* If OBJ not recognised ignore it */
1251                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1252                         sprintf(buf,"%s_default",v->name);
1253                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1254                                 {
1255                                 ERR_clear_error();
1256                                 def="";
1257                                 }
1258
1259                         sprintf(buf,"%s_value",v->name);
1260                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1261                                 {
1262                                 ERR_clear_error();
1263                                 value=NULL;
1264                                 }
1265
1266                         sprintf(buf,"%s_min",v->name);
1267                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1268                                 n_min = -1;
1269
1270                         sprintf(buf,"%s_max",v->name);
1271                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1272                                 n_max = -1;
1273
1274                         if (!add_DN_object(subj,v->value,def,value,nid,
1275                                 n_min,n_max, chtype))
1276                                 return 0;
1277                         }
1278                 if (X509_NAME_entry_count(subj) == 0)
1279                         {
1280                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1281                         return 0;
1282                         }
1283
1284                 if (attribs)
1285                         {
1286                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1287                                 {
1288                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1289                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1290                                 }
1291
1292                         i= -1;
1293 start2:                 for (;;)
1294                                 {
1295                                 i++;
1296                                 if ((attr_sk == NULL) ||
1297                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1298                                         break;
1299
1300                                 v=sk_CONF_VALUE_value(attr_sk,i);
1301                                 type=v->name;
1302                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1303                                         goto start2;
1304
1305                                 sprintf(buf,"%s_default",type);
1306                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1307                                         == NULL)
1308                                         {
1309                                         ERR_clear_error();
1310                                         def="";
1311                                         }
1312
1313
1314                                 sprintf(buf,"%s_value",type);
1315                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1316                                         == NULL)
1317                                         {
1318                                         ERR_clear_error();
1319                                         value=NULL;
1320                                         }
1321
1322                                 sprintf(buf,"%s_min",type);
1323                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1324                                         n_min = -1;
1325
1326                                 sprintf(buf,"%s_max",type);
1327                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1328                                         n_max = -1;
1329
1330                                 if (!add_attribute_object(req,
1331                                         v->value,def,value,nid,n_min,n_max, chtype))
1332                                         return 0;
1333                                 }
1334                         }
1335                 }
1336         else
1337                 {
1338                 BIO_printf(bio_err,"No template, please set one up.\n");
1339                 return 0;
1340                 }
1341
1342         return 1;
1343
1344         }
1345
1346 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1347                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1348         {
1349         int i;
1350         char *p,*q;
1351         char *type;
1352         CONF_VALUE *v;
1353         X509_NAME *subj;
1354
1355         subj = X509_REQ_get_subject_name(req);
1356
1357         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1358                 {
1359                 v=sk_CONF_VALUE_value(dn_sk,i);
1360                 p=q=NULL;
1361                 type=v->name;
1362                 /* Skip past any leading X. X: X, etc to allow for
1363                  * multiple instances
1364                  */
1365                 for(p = v->name; *p ; p++)
1366 #ifndef CHARSET_EBCDIC
1367                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1368 #else
1369                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1370 #endif
1371                                 p++;
1372                                 if(*p) type = p;
1373                                 break;
1374                         }
1375                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1376                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1377
1378                 }
1379
1380                 if (!X509_NAME_entry_count(subj))
1381                         {
1382                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1383                         return 0;
1384                         }
1385                 if (attribs)
1386                         {
1387                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1388                                 {
1389                                 v=sk_CONF_VALUE_value(attr_sk,i);
1390                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1391                                         (unsigned char *)v->value, -1)) return 0;
1392                                 }
1393                         }
1394         return 1;
1395         }
1396
1397
1398 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1399              int nid, int n_min, int n_max, unsigned long chtype)
1400         {
1401         int i,ret=0;
1402         MS_STATIC char buf[1024];
1403 start:
1404         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1405         (void)BIO_flush(bio_err);
1406         if(value != NULL)
1407                 {
1408                 strcpy(buf,value);
1409                 strcat(buf,"\n");
1410                 BIO_printf(bio_err,"%s\n",value);
1411                 }
1412         else
1413                 {
1414                 buf[0]='\0';
1415                 if (!batch)
1416                         {
1417                         fgets(buf,1024,stdin);
1418                         }
1419                 else
1420                         {
1421                         buf[0] = '\n';
1422                         buf[1] = '\0';
1423                         }
1424                 }
1425
1426         if (buf[0] == '\0') return(0);
1427         else if (buf[0] == '\n')
1428                 {
1429                 if ((def == NULL) || (def[0] == '\0'))
1430                         return(1);
1431                 strcpy(buf,def);
1432                 strcat(buf,"\n");
1433                 }
1434         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1435
1436         i=strlen(buf);
1437         if (buf[i-1] != '\n')
1438                 {
1439                 BIO_printf(bio_err,"weird input :-(\n");
1440                 return(0);
1441                 }
1442         buf[--i]='\0';
1443 #ifdef CHARSET_EBCDIC
1444         ebcdic2ascii(buf, buf, i);
1445 #endif
1446         if(!req_check_len(i, n_min, n_max)) goto start;
1447         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1448                                 (unsigned char *) buf, -1,-1,0)) goto err;
1449         ret=1;
1450 err:
1451         return(ret);
1452         }
1453
1454 static int add_attribute_object(X509_REQ *req, char *text,
1455                                 char *def, char *value, int nid, int n_min,
1456                                 int n_max, unsigned long chtype)
1457         {
1458         int i;
1459         static char buf[1024];
1460
1461 start:
1462         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1463         (void)BIO_flush(bio_err);
1464         if (value != NULL)
1465                 {
1466                 strcpy(buf,value);
1467                 strcat(buf,"\n");
1468                 BIO_printf(bio_err,"%s\n",value);
1469                 }
1470         else
1471                 {
1472                 buf[0]='\0';
1473                 if (!batch)
1474                         {
1475                         fgets(buf,1024,stdin);
1476                         }
1477                 else
1478                         {
1479                         buf[0] = '\n';
1480                         buf[1] = '\0';
1481                         }
1482                 }
1483
1484         if (buf[0] == '\0') return(0);
1485         else if (buf[0] == '\n')
1486                 {
1487                 if ((def == NULL) || (def[0] == '\0'))
1488                         return(1);
1489                 strcpy(buf,def);
1490                 strcat(buf,"\n");
1491                 }
1492         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1493
1494         i=strlen(buf);
1495         if (buf[i-1] != '\n')
1496                 {
1497                 BIO_printf(bio_err,"weird input :-(\n");
1498                 return(0);
1499                 }
1500         buf[--i]='\0';
1501 #ifdef CHARSET_EBCDIC
1502         ebcdic2ascii(buf, buf, i);
1503 #endif
1504         if(!req_check_len(i, n_min, n_max)) goto start;
1505
1506         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1507                                         (unsigned char *)buf, -1)) {
1508                 BIO_printf(bio_err, "Error adding attribute\n");
1509                 ERR_print_errors(bio_err);
1510                 goto err;
1511         }
1512
1513         return(1);
1514 err:
1515         return(0);
1516         }
1517
1518 #ifndef OPENSSL_NO_RSA
1519 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1520         {
1521         char c='*';
1522
1523         if (p == 0) c='.';
1524         if (p == 1) c='+';
1525         if (p == 2) c='*';
1526         if (p == 3) c='\n';
1527         BIO_write((BIO *)arg,&c,1);
1528         (void)BIO_flush((BIO *)arg);
1529 #ifdef LINT
1530         p=n;
1531 #endif
1532         }
1533 #endif
1534
1535 static int req_check_len(int len, int n_min, int n_max)
1536         {
1537         if ((n_min > 0) && (len < n_min))
1538                 {
1539                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1540                 return(0);
1541                 }
1542         if ((n_max >= 0) && (len > n_max))
1543                 {
1544                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1545                 return(0);
1546                 }
1547         return(1);
1548         }
1549
1550 /* Check if the end of a string matches 'end' */
1551 static int check_end(char *str, char *end)
1552 {
1553         int elen, slen;
1554         char *tmp;
1555         elen = strlen(end);
1556         slen = strlen(str);
1557         if(elen > slen) return 1;
1558         tmp = str + slen - elen;
1559         return strcmp(tmp, end);
1560 }