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 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
  88 #define DEFAULT_KEY_LENGTH      512
  89 #define MIN_KEY_LENGTH          384
  90
  91 #undef PROG
  92 #define PROG    req_main
  93
  94 /* -inform arg  - input format - default PEM (DER or PEM)
  95  * -outform arg - output format - default PEM
  96  * -in arg      - input file - default stdin
  97  * -out arg     - output file - default stdout
  98  * -verify      - check request signature
  99  * -noout       - don't print stuff out.
 100  * -text        - print out human readable text.
 101  * -nodes       - no des encryption
 102  * -config file - Load configuration file.
 103  * -key file    - make a request using key in file (or use it for verification).
 104  * -keyform     - key file format.
 105  * -newkey      - make a key and a request.
 106  * -modulus     - print RSA modulus.
 107  * -x509        - output a self signed X509 structure instead.
 108  * -asn1-kludge - output new certificate request in a format that some CA's
 109  *                require.  This format is wrong
 110  */
 111
 112 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
 113 static int prompt_info(X509_REQ *req,
 114                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 115                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs);
 116 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 117                                 STACK_OF(CONF_VALUE) *attr, int attribs);
 118 static int add_attribute_object(X509_REQ *req, char *text,
 119                                 char *def, char *value, int nid, int min,
 120                                 int max);
 121 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 122         int nid,int min,int max);
 123 #ifndef NO_RSA
 124 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 125 #endif
 126 static int req_check_len(int len,int min,int max);
 127 static int check_end(char *str, char *end);
 128 static int add_oid_section(LHASH *conf);
 129 #ifndef MONOLITH
 130 static char *default_config_file=NULL;
 131 static LHASH *config=NULL;
 132 #endif
 133 static LHASH *req_conf=NULL;
 134
 135 #define TYPE_RSA        1
 136 #define TYPE_DSA        2
 137 #define TYPE_DH         3
 138
 139 int MAIN(int, char **);
 140
 141 int MAIN(int argc, char **argv)
 142         {
 143 #ifndef NO_DSA
 144         DSA *dsa_params=NULL;
 145 #endif
 146         int ex=1,x509=0,days=30;
 147         X509 *x509ss=NULL;
 148         X509_REQ *req=NULL;
 149         EVP_PKEY *pkey=NULL;
 150         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 151         BIO *in=NULL,*out=NULL;
 152         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 153         int nodes=0,kludge=0;
 154         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 155         char *extensions = NULL;
 156         char *req_exts = NULL;
 157         EVP_CIPHER *cipher=NULL;
 158         int modulus=0;
 159         char *passin = NULL, *passout = NULL;
 160         char *p;
 161         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 162 #ifndef MONOLITH
 163         MS_STATIC char config_name[256];
 164 #endif
 165
 166         req_conf = NULL;
 167 #ifndef NO_DES
 168         cipher=EVP_des_ede3_cbc();
 169 #endif
 170         apps_startup();
 171
 172         if (bio_err == NULL)
 173                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 174                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 175
 176         infile=NULL;
 177         outfile=NULL;
 178         informat=FORMAT_PEM;
 179         outformat=FORMAT_PEM;
 180
 181         prog=argv[0];
 182         argc--;
 183         argv++;
 184         while (argc >= 1)
 185                 {
 186                 if      (strcmp(*argv,"-inform") == 0)
 187                         {
 188                         if (--argc < 1) goto bad;
 189                         informat=str2fmt(*(++argv));
 190                         }
 191                 else if (strcmp(*argv,"-outform") == 0)
 192                         {
 193                         if (--argc < 1) goto bad;
 194                         outformat=str2fmt(*(++argv));
 195                         }
 196                 else if (strcmp(*argv,"-key") == 0)
 197                         {
 198                         if (--argc < 1) goto bad;
 199                         keyfile= *(++argv);
 200                         }
 201                 else if (strcmp(*argv,"-new") == 0)
 202                         {
 203                         pkey_type=TYPE_RSA;
 204                         newreq=1;
 205                         }
 206                 else if (strcmp(*argv,"-config") == 0)
 207                         {
 208                         if (--argc < 1) goto bad;
 209                         template= *(++argv);
 210                         }
 211                 else if (strcmp(*argv,"-keyform") == 0)
 212                         {
 213                         if (--argc < 1) goto bad;
 214                         keyform=str2fmt(*(++argv));
 215                         }
 216                 else if (strcmp(*argv,"-in") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         infile= *(++argv);
 220                         }
 221                 else if (strcmp(*argv,"-out") == 0)
 222                         {
 223                         if (--argc < 1) goto bad;
 224                         outfile= *(++argv);
 225                         }
 226                 else if (strcmp(*argv,"-keyout") == 0)
 227                         {
 228                         if (--argc < 1) goto bad;
 229                         keyout= *(++argv);
 230                         }
 231                 else if (strcmp(*argv,"-passin") == 0)
 232                         {
 233                         if (--argc < 1) goto bad;
 234                         passin= *(++argv);
 235                         }
 236                 else if (strcmp(*argv,"-envpassin") == 0)
 237                         {
 238                         if (--argc < 1) goto bad;
 239                                 if(!(passin= getenv(*(++argv))))
 240                                 {
 241                                 BIO_printf(bio_err,
 242                                  "Can't read environment variable %s\n",
 243                                                                 *argv);
 244                                 badops = 1;
 245                                 }
 246                         }
 247                 else if (strcmp(*argv,"-envpassout") == 0)
 248                         {
 249                         if (--argc < 1) goto bad;
 250                         if(!(passout= getenv(*(++argv))))
 251                                 {
 252                                 BIO_printf(bio_err,
 253                                  "Can't read environment variable %s\n",
 254                                                                 *argv);
 255                                 badops = 1;
 256                                 }
 257                         }
 258                 else if (strcmp(*argv,"-passout") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         passout= *(++argv);
 262                         }
 263                 else if (strcmp(*argv,"-newkey") == 0)
 264                         {
 265                         int is_numeric;
 266
 267                         if (--argc < 1) goto bad;
 268                         p= *(++argv);
 269                         is_numeric = p[0] >= '0' && p[0] <= '9';
 270                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 271                                 {
 272                                 pkey_type=TYPE_RSA;
 273                                 if(!is_numeric)
 274                                     p+=4;
 275                                 newkey= atoi(p);
 276                                 }
 277                         else
 278 #ifndef NO_DSA
 279                                 if (strncmp("dsa:",p,4) == 0)
 280                                 {
 281                                 X509 *xtmp=NULL;
 282                                 EVP_PKEY *dtmp;
 283
 284                                 pkey_type=TYPE_DSA;
 285                                 p+=4;
 286                                 if ((in=BIO_new_file(p,"r")) == NULL)
 287                                         {
 288                                         perror(p);
 289                                         goto end;
 290                                         }
 291                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 292                                         {
 293                                         ERR_clear_error();
 294                                         (void)BIO_reset(in);
 295                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 296                                                 {
 297                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 298                                                 goto end;
 299                                                 }
 300
 301                                         dtmp=X509_get_pubkey(xtmp);
 302                                         if (dtmp->type == EVP_PKEY_DSA)
 303                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 304                                         EVP_PKEY_free(dtmp);
 305                                         X509_free(xtmp);
 306                                         if (dsa_params == NULL)
 307                                                 {
 308                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 309                                                 goto end;
 310                                                 }
 311                                         }
 312                                 BIO_free(in);
 313                                 newkey=BN_num_bits(dsa_params->p);
 314                                 in=NULL;
 315                                 }
 316                         else
 317 #endif
 318 #ifndef NO_DH
 319                                 if (strncmp("dh:",p,4) == 0)
 320                                 {
 321                                 pkey_type=TYPE_DH;
 322                                 p+=3;
 323                                 }
 324                         else
 325 #endif
 326                                 pkey_type=TYPE_RSA;
 327
 328                         newreq=1;
 329                         }
 330                 else if (strcmp(*argv,"-modulus") == 0)
 331                         modulus=1;
 332                 else if (strcmp(*argv,"-verify") == 0)
 333                         verify=1;
 334                 else if (strcmp(*argv,"-nodes") == 0)
 335                         nodes=1;
 336                 else if (strcmp(*argv,"-noout") == 0)
 337                         noout=1;
 338                 else if (strcmp(*argv,"-text") == 0)
 339                         text=1;
 340                 else if (strcmp(*argv,"-x509") == 0)
 341                         x509=1;
 342                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 343                         kludge=1;
 344                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 345                         kludge=0;
 346                 else if (strcmp(*argv,"-days") == 0)
 347                         {
 348                         if (--argc < 1) goto bad;
 349                         days= atoi(*(++argv));
 350                         if (days == 0) days=30;
 351                         }
 352                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 353                         {
 354                         /* ok */
 355                         digest=md_alg;
 356                         }
 357                 else if (strcmp(*argv,"-extensions") == 0)
 358                         {
 359                         if (--argc < 1) goto bad;
 360                         extensions = *(++argv);
 361                         }
 362                 else if (strcmp(*argv,"-reqexts") == 0)
 363                         {
 364                         if (--argc < 1) goto bad;
 365                         req_exts = *(++argv);
 366                         }
 367                 else
 368                         {
 369                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 370                         badops=1;
 371                         break;
 372                         }
 373                 argc--;
 374                 argv++;
 375                 }
 376
 377         if (badops)
 378                 {
 379 bad:
 380                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 381                 BIO_printf(bio_err,"where options  are\n");
 382                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 383                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 384                 BIO_printf(bio_err," -in arg        input file\n");
 385                 BIO_printf(bio_err," -out arg       output file\n");
 386                 BIO_printf(bio_err," -text          text form of request\n");
 387                 BIO_printf(bio_err," -noout         do not output REQ\n");
 388                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 389                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 390                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 391                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 392                 BIO_printf(bio_err," -keyform arg   key file format\n");
 393                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 394                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 395                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 396
 397                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 398                 BIO_printf(bio_err," -config file   request template file.\n");
 399                 BIO_printf(bio_err," -new           new request.\n");
 400                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 401                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 402                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 403                 BIO_printf(bio_err,"                have been reported as requiring\n");
 404                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 405                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 406                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 407                 goto end;
 408                 }
 409
 410         ERR_load_crypto_strings();
 411
 412 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 413         /* Lets load up our environment a little */
 414         p=getenv("OPENSSL_CONF");
 415         if (p == NULL)
 416                 p=getenv("SSLEAY_CONF");
 417         if (p == NULL)
 418                 {
 419                 strcpy(config_name,X509_get_default_cert_area());
 420 #ifndef VMS
 421                 strcat(config_name,"/");
 422 #endif
 423                 strcat(config_name,OPENSSL_CONF);
 424                 p=config_name;
 425                 }
 426         default_config_file=p;
 427         config=CONF_load(config,p,NULL);
 428 #endif
 429
 430         if (template != NULL)
 431                 {
 432                 long errline;
 433
 434                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 435                 req_conf=CONF_load(NULL,template,&errline);
 436                 if (req_conf == NULL)
 437                         {
 438                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 439                         goto end;
 440                         }
 441                 }
 442         else
 443                 {
 444                 req_conf=config;
 445                 BIO_printf(bio_err,"Using configuration from %s\n",
 446                         default_config_file);
 447                 if (req_conf == NULL)
 448                         {
 449                         BIO_printf(bio_err,"Unable to load config info\n");
 450                         }
 451                 }
 452
 453         if (req_conf != NULL)
 454                 {
 455                 p=CONF_get_string(req_conf,NULL,"oid_file");
 456                 if (p != NULL)
 457                         {
 458                         BIO *oid_bio;
 459
 460                         oid_bio=BIO_new_file(p,"r");
 461                         if (oid_bio == NULL)
 462                                 {
 463                                 /*
 464                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 465                                 ERR_print_errors(bio_err);
 466                                 */
 467                                 }
 468                         else
 469                                 {
 470                                 OBJ_create_objects(oid_bio);
 471                                 BIO_free(oid_bio);
 472                                 }
 473                         }
 474                 }
 475                 if(!add_oid_section(req_conf)) goto end;
 476
 477         if ((md_alg == NULL) &&
 478                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 479                 {
 480                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 481                         digest=md_alg;
 482                 }
 483
 484         if(!extensions)
 485                 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 486         if(extensions) {
 487                 /* Check syntax of file */
 488                 X509V3_CTX ctx;
 489                 X509V3_set_ctx_test(&ctx);
 490                 X509V3_set_conf_lhash(&ctx, req_conf);
 491                 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) {
 492                         BIO_printf(bio_err,
 493                          "Error Loading extension section %s\n", extensions);
 494                         goto end;
 495                 }
 496         }
 497
 498         if(!passin)
 499                 passin = CONF_get_string(req_conf, SECTION, "input_password");
 500
 501         if(!passout)
 502                 passout = CONF_get_string(req_conf, SECTION, "output_password");
 503
 504         p = CONF_get_string(req_conf, SECTION, STRING_MASK);
 505
 506         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 507                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 508                 goto end;
 509         }
 510
 511         if(!req_exts)
 512                 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 513         if(req_exts) {
 514                 /* Check syntax of file */
 515                 X509V3_CTX ctx;
 516                 X509V3_set_ctx_test(&ctx);
 517                 X509V3_set_conf_lhash(&ctx, req_conf);
 518                 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) {
 519                         BIO_printf(bio_err,
 520                          "Error Loading request extension section %s\n",
 521                                                                 req_exts);
 522                         goto end;
 523                 }
 524         }
 525
 526         in=BIO_new(BIO_s_file());
 527         out=BIO_new(BIO_s_file());
 528         if ((in == NULL) || (out == NULL))
 529                 goto end;
 530
 531         if (keyfile != NULL)
 532                 {
 533                 if (BIO_read_filename(in,keyfile) <= 0)
 534                         {
 535                         perror(keyfile);
 536                         goto end;
 537                         }
 538
 539                 if (keyform == FORMAT_ASN1)
 540                         pkey=d2i_PrivateKey_bio(in,NULL);
 541                 else if (keyform == FORMAT_PEM)
 542                         {
 543                         pkey=PEM_read_bio_PrivateKey(in,NULL,PEM_cb,passin);
 544                         }
 545                 else
 546                         {
 547                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 548                         goto end;
 549                         }
 550
 551                 if (pkey == NULL)
 552                         {
 553                         BIO_printf(bio_err,"unable to load Private key\n");
 554                         goto end;
 555                         }
 556                 }
 557
 558         if (newreq && (pkey == NULL))
 559                 {
 560                 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE");
 561                 app_RAND_load_file(randfile, bio_err, 0);
 562
 563                 if (newkey <= 0)
 564                         {
 565                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 566                         if (newkey <= 0)
 567                                 newkey=DEFAULT_KEY_LENGTH;
 568                         }
 569
 570                 if (newkey < MIN_KEY_LENGTH)
 571                         {
 572                         BIO_printf(bio_err,"private key length is too short,\n");
 573                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 574                         goto end;
 575                         }
 576                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 577                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 578
 579                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 580
 581 #ifndef NO_RSA
 582                 if (pkey_type == TYPE_RSA)
 583                         {
 584                         if (!EVP_PKEY_assign_RSA(pkey,
 585                                 RSA_generate_key(newkey,0x10001,
 586                                         req_cb,bio_err)))
 587                                 goto end;
 588                         }
 589                 else
 590 #endif
 591 #ifndef NO_DSA
 592                         if (pkey_type == TYPE_DSA)
 593                         {
 594                         if (!DSA_generate_key(dsa_params)) goto end;
 595                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 596                         dsa_params=NULL;
 597                         }
 598 #endif
 599
 600                 app_RAND_write_file(randfile, bio_err);
 601
 602                 if (pkey == NULL) goto end;
 603
 604                 if (keyout == NULL)
 605                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 606
 607                 if (keyout == NULL)
 608                         {
 609                         BIO_printf(bio_err,"writing new private key to stdout\n");
 610                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 611                         }
 612                 else
 613                         {
 614                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 615                         if (BIO_write_filename(out,keyout) <= 0)
 616                                 {
 617                                 perror(keyout);
 618                                 goto end;
 619                                 }
 620                         }
 621
 622                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 623                 if (p == NULL)
 624                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 625                 if ((p != NULL) && (strcmp(p,"no") == 0))
 626                         cipher=NULL;
 627                 if (nodes) cipher=NULL;
 628
 629                 i=0;
 630 loop:
 631                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 632                         NULL,0,PEM_cb,passout))
 633                         {
 634                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 635                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 636                                 {
 637                                 ERR_clear_error();
 638                                 i++;
 639                                 goto loop;
 640                                 }
 641                         goto end;
 642                         }
 643                 BIO_printf(bio_err,"-----\n");
 644                 }
 645
 646         if (!newreq)
 647                 {
 648                 /* Since we are using a pre-existing certificate
 649                  * request, the kludge 'format' info should not be
 650                  * changed. */
 651                 kludge= -1;
 652                 if (infile == NULL)
 653                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 654                 else
 655                         {
 656                         if (BIO_read_filename(in,infile) <= 0)
 657                                 {
 658                                 perror(infile);
 659                                 goto end;
 660                                 }
 661                         }
 662
 663                 if      (informat == FORMAT_ASN1)
 664                         req=d2i_X509_REQ_bio(in,NULL);
 665                 else if (informat == FORMAT_PEM)
 666                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 667                 else
 668                         {
 669                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 670                         goto end;
 671                         }
 672                 if (req == NULL)
 673                         {
 674                         BIO_printf(bio_err,"unable to load X509 request\n");
 675                         goto end;
 676                         }
 677                 }
 678
 679         if (newreq || x509)
 680                 {
 681 #ifndef NO_DSA
 682                 if (pkey->type == EVP_PKEY_DSA)
 683                         digest=EVP_dss1();
 684 #endif
 685
 686                 if (pkey == NULL)
 687                         {
 688                         BIO_printf(bio_err,"you need to specify a private key\n");
 689                         goto end;
 690                         }
 691                 if (req == NULL)
 692                         {
 693                         req=X509_REQ_new();
 694                         if (req == NULL)
 695                                 {
 696                                 goto end;
 697                                 }
 698
 699                         i=make_REQ(req,pkey,!x509);
 700                         if (kludge >= 0)
 701                                 req->req_info->req_kludge=kludge;
 702                         if (!i)
 703                                 {
 704                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 705                                 goto end;
 706                                 }
 707                         }
 708                 if (x509)
 709                         {
 710                         EVP_PKEY *tmppkey;
 711                         X509V3_CTX ext_ctx;
 712                         if ((x509ss=X509_new()) == NULL) goto end;
 713
 714                         /* Set version to V3 */
 715                         if(!X509_set_version(x509ss, 2)) goto end;
 716                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 717
 718                         X509_set_issuer_name(x509ss,
 719                                 X509_REQ_get_subject_name(req));
 720                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 721                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 722                                 (long)60*60*24*days);
 723                         X509_set_subject_name(x509ss,
 724                                 X509_REQ_get_subject_name(req));
 725                         tmppkey = X509_REQ_get_pubkey(req);
 726                         X509_set_pubkey(x509ss,tmppkey);
 727                         EVP_PKEY_free(tmppkey);
 728
 729                         /* Set up V3 context struct */
 730
 731                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 732                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 733
 734                         /* Add extensions */
 735                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 736                                         &ext_ctx, extensions, x509ss))
 737                             {
 738                             BIO_printf(bio_err,
 739                                        "Error Loading extension section %s\n",
 740                                        extensions);
 741                             goto end;
 742                             }
 743
 744                         if (!(i=X509_sign(x509ss,pkey,digest)))
 745                                 goto end;
 746                         }
 747                 else
 748                         {
 749                         X509V3_CTX ext_ctx;
 750
 751                         /* Set up V3 context struct */
 752
 753                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 754                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 755
 756                         /* Add extensions */
 757                         if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf,
 758                                         &ext_ctx, req_exts, req))
 759                             {
 760                             BIO_printf(bio_err,
 761                                        "Error Loading extension section %s\n",
 762                                        req_exts);
 763                             goto end;
 764                             }
 765                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 766                                 goto end;
 767                         }
 768                 }
 769
 770         if (verify && !x509)
 771                 {
 772                 int tmp=0;
 773
 774                 if (pkey == NULL)
 775                         {
 776                         pkey=X509_REQ_get_pubkey(req);
 777                         tmp=1;
 778                         if (pkey == NULL) goto end;
 779                         }
 780
 781                 i=X509_REQ_verify(req,pkey);
 782                 if (tmp) {
 783                         EVP_PKEY_free(pkey);
 784                         pkey=NULL;
 785                 }
 786
 787                 if (i < 0)
 788                         {
 789                         goto end;
 790                         }
 791                 else if (i == 0)
 792                         {
 793                         BIO_printf(bio_err,"verify failure\n");
 794                         }
 795                 else /* if (i > 0) */
 796                         BIO_printf(bio_err,"verify OK\n");
 797                 }
 798
 799         if (noout && !text && !modulus)
 800                 {
 801                 ex=0;
 802                 goto end;
 803                 }
 804
 805         if (outfile == NULL)
 806                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 807         else
 808                 {
 809                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 810                         i=(int)BIO_append_filename(out,outfile);
 811                 else
 812                         i=(int)BIO_write_filename(out,outfile);
 813                 if (!i)
 814                         {
 815                         perror(outfile);
 816                         goto end;
 817                         }
 818                 }
 819
 820         if (text)
 821                 {
 822                 if (x509)
 823                         X509_print(out,x509ss);
 824                 else
 825                         X509_REQ_print(out,req);
 826                 }
 827
 828         if (modulus)
 829                 {
 830                 EVP_PKEY *pubkey;
 831
 832                 if (x509)
 833                         pubkey=X509_get_pubkey(x509ss);
 834                 else
 835                         pubkey=X509_REQ_get_pubkey(req);
 836                 if (pubkey == NULL)
 837                         {
 838                         fprintf(stdout,"Modulus=unavailable\n");
 839                         goto end;
 840                         }
 841                 fprintf(stdout,"Modulus=");
 842 #ifndef NO_RSA
 843                 if (pubkey->type == EVP_PKEY_RSA)
 844                         BN_print(out,pubkey->pkey.rsa->n);
 845                 else
 846 #endif
 847                         fprintf(stdout,"Wrong Algorithm type");
 848                 fprintf(stdout,"\n");
 849                 }
 850
 851         if (!noout && !x509)
 852                 {
 853                 if      (outformat == FORMAT_ASN1)
 854                         i=i2d_X509_REQ_bio(out,req);
 855                 else if (outformat == FORMAT_PEM)
 856                         i=PEM_write_bio_X509_REQ(out,req);
 857                 else    {
 858                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 859                         goto end;
 860                         }
 861                 if (!i)
 862                         {
 863                         BIO_printf(bio_err,"unable to write X509 request\n");
 864                         goto end;
 865                         }
 866                 }
 867         if (!noout && x509 && (x509ss != NULL))
 868                 {
 869                 if      (outformat == FORMAT_ASN1)
 870                         i=i2d_X509_bio(out,x509ss);
 871                 else if (outformat == FORMAT_PEM)
 872                         i=PEM_write_bio_X509(out,x509ss);
 873                 else    {
 874                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 875                         goto end;
 876                         }
 877                 if (!i)
 878                         {
 879                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 880                         goto end;
 881                         }
 882                 }
 883         ex=0;
 884 end:
 885         if (ex)
 886                 {
 887                 ERR_print_errors(bio_err);
 888                 }
 889         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 890         BIO_free(in);
 891         BIO_free(out);
 892         EVP_PKEY_free(pkey);
 893         X509_REQ_free(req);
 894         X509_free(x509ss);
 895         OBJ_cleanup();
 896 #ifndef NO_DSA
 897         if (dsa_params != NULL) DSA_free(dsa_params);
 898 #endif
 899         EXIT(ex);
 900         }
 901
 902 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs)
 903         {
 904         int ret=0,i;
 905         char no_prompt = 0;
 906         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
 907         char *tmp, *dn_sect,*attr_sect;
 908
 909         tmp=CONF_get_string(req_conf,SECTION,PROMPT);
 910         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
 911
 912         dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 913         if (dn_sect == NULL)
 914                 {
 915                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 916                         DISTINGUISHED_NAME);
 917                 goto err;
 918                 }
 919         dn_sk=CONF_get_section(req_conf,dn_sect);
 920         if (dn_sk == NULL)
 921                 {
 922                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
 923                 goto err;
 924                 }
 925
 926         attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 927         if (attr_sect == NULL)
 928                 attr_sk=NULL;
 929         else
 930                 {
 931                 attr_sk=CONF_get_section(req_conf,attr_sect);
 932                 if (attr_sk == NULL)
 933                         {
 934                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
 935                         goto err;
 936                         }
 937                 }
 938
 939         /* setup version number */
 940         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
 941
 942         if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs);
 943         else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs);
 944         if(!i) goto err;
 945
 946         X509_REQ_set_pubkey(req,pkey);
 947
 948         ret=1;
 949 err:
 950         return(ret);
 951         }
 952
 953
 954 static int prompt_info(X509_REQ *req,
 955                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 956                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs)
 957         {
 958         int i;
 959         char *p,*q;
 960         char buf[100];
 961         int nid,min,max;
 962         char *type,*def,*value;
 963         CONF_VALUE *v;
 964         X509_NAME *subj;
 965         subj = X509_REQ_get_subject_name(req);
 966         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 967         BIO_printf(bio_err,"into your certificate request.\n");
 968         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 969         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 970         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 971         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 972         BIO_printf(bio_err,"-----\n");
 973
 974
 975         if (sk_CONF_VALUE_num(dn_sk))
 976                 {
 977                 i= -1;
 978 start:          for (;;)
 979                         {
 980                         i++;
 981                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
 982
 983                         v=sk_CONF_VALUE_value(dn_sk,i);
 984                         p=q=NULL;
 985                         type=v->name;
 986                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
 987                                 !check_end(type,"_default") ||
 988                                          !check_end(type,"_value")) continue;
 989                         /* Skip past any leading X. X: X, etc to allow for
 990                          * multiple instances
 991                          */
 992                         for(p = v->name; *p ; p++)
 993                                 if ((*p == ':') || (*p == ',') ||
 994                                                          (*p == '.')) {
 995                                         p++;
 996                                         if(*p) type = p;
 997                                         break;
 998                                 }
 999                         /* If OBJ not recognised ignore it */
1000                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1001                         sprintf(buf,"%s_default",v->name);
1002                         if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1003                                 def="";
1004
1005                         sprintf(buf,"%s_value",v->name);
1006                         if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL)
1007                                 value=NULL;
1008
1009                         sprintf(buf,"%s_min",v->name);
1010                         min=(int)CONF_get_number(req_conf,dn_sect,buf);
1011
1012                         sprintf(buf,"%s_max",v->name);
1013                         max=(int)CONF_get_number(req_conf,dn_sect,buf);
1014
1015                         if (!add_DN_object(subj,v->value,def,value,nid,
1016                                 min,max))
1017                                 return 0;
1018                         }
1019                 if (X509_NAME_entry_count(subj) == 0)
1020                         {
1021                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1022                         return 0;
1023                         }
1024
1025                 if (attribs)
1026                         {
1027                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0))
1028                                 {
1029                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1030                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1031                                 }
1032
1033                         i= -1;
1034 start2:                 for (;;)
1035                                 {
1036                                 i++;
1037                                 if ((attr_sk == NULL) ||
1038                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1039                                         break;
1040
1041                                 v=sk_CONF_VALUE_value(attr_sk,i);
1042                                 type=v->name;
1043                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1044                                         goto start2;
1045
1046                                 sprintf(buf,"%s_default",type);
1047                                 if ((def=CONF_get_string(req_conf,attr_sect,buf))
1048                                         == NULL)
1049                                         def="";
1050
1051                                 sprintf(buf,"%s_value",type);
1052                                 if ((value=CONF_get_string(req_conf,attr_sect,buf))
1053                                         == NULL)
1054                                         value=NULL;
1055
1056                                 sprintf(buf,"%s_min",type);
1057                                 min=(int)CONF_get_number(req_conf,attr_sect,buf);
1058
1059                                 sprintf(buf,"%s_max",type);
1060                                 max=(int)CONF_get_number(req_conf,attr_sect,buf);
1061
1062                                 if (!add_attribute_object(req,
1063                                         v->value,def,value,nid,min,max))
1064                                         return 0;
1065                                 }
1066                         }
1067                 }
1068         else
1069                 {
1070                 BIO_printf(bio_err,"No template, please set one up.\n");
1071                 return 0;
1072                 }
1073
1074         return 1;
1075
1076         }
1077
1078 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1079                         STACK_OF(CONF_VALUE) *attr_sk, int attribs)
1080         {
1081         int i;
1082         char *p,*q;
1083         char *type;
1084         CONF_VALUE *v;
1085         X509_NAME *subj;
1086
1087         subj = X509_REQ_get_subject_name(req);
1088
1089         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1090                 {
1091                 v=sk_CONF_VALUE_value(dn_sk,i);
1092                 p=q=NULL;
1093                 type=v->name;
1094                 /* Skip past any leading X. X: X, etc to allow for
1095                  * multiple instances
1096                  */
1097                 for(p = v->name; *p ; p++)
1098                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1099                                 p++;
1100                                 if(*p) type = p;
1101                                 break;
1102                         }
1103                 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC,
1104                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1105
1106                 }
1107
1108                 if (!X509_NAME_entry_count(subj))
1109                         {
1110                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1111                         return 0;
1112                         }
1113                 if (attribs)
1114                         {
1115                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1116                                 {
1117                                 v=sk_CONF_VALUE_value(attr_sk,i);
1118                                 if(!X509_REQ_radd_attr_by_txt(req, v->name, MBSTRING_ASC,
1119                                         (unsigned char *)v->value, -1)) return 0;
1120                                 }
1121                         }
1122         return 1;
1123         }
1124
1125
1126 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1127              int nid, int min, int max)
1128         {
1129         int i,ret=0;
1130         MS_STATIC char buf[1024];
1131 start:
1132         BIO_printf(bio_err,"%s [%s]:",text,def);
1133         (void)BIO_flush(bio_err);
1134         if (value != NULL)
1135                 {
1136                 strcpy(buf,value);
1137                 strcat(buf,"\n");
1138                 BIO_printf(bio_err,"%s\n",value);
1139                 }
1140         else
1141                 {
1142                 buf[0]='\0';
1143                 fgets(buf,1024,stdin);
1144                 }
1145
1146         if (buf[0] == '\0') return(0);
1147         else if (buf[0] == '\n')
1148                 {
1149                 if ((def == NULL) || (def[0] == '\0'))
1150                         return(1);
1151                 strcpy(buf,def);
1152                 strcat(buf,"\n");
1153                 }
1154         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1155
1156         i=strlen(buf);
1157         if (buf[i-1] != '\n')
1158                 {
1159                 BIO_printf(bio_err,"weird input :-(\n");
1160                 return(0);
1161                 }
1162         buf[--i]='\0';
1163
1164 #ifdef CHARSET_EBCDIC
1165         ebcdic2ascii(buf, buf, i);
1166 #endif
1167         if(!req_check_len(i, min, max)) goto start;
1168         if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC,
1169                                 (unsigned char *) buf, -1,-1,0)) goto err;
1170         ret=1;
1171 err:
1172         return(ret);
1173         }
1174
1175 static int add_attribute_object(X509_REQ *req, char *text,
1176                                 char *def, char *value, int nid, int min,
1177                                 int max)
1178         {
1179         int i;
1180         static char buf[1024];
1181
1182 start:
1183         BIO_printf(bio_err,"%s [%s]:",text,def);
1184         (void)BIO_flush(bio_err);
1185         if (value != NULL)
1186                 {
1187                 strcpy(buf,value);
1188                 strcat(buf,"\n");
1189                 BIO_printf(bio_err,"%s\n",value);
1190                 }
1191         else
1192                 {
1193                 buf[0]='\0';
1194                 fgets(buf,1024,stdin);
1195                 }
1196
1197         if (buf[0] == '\0') return(0);
1198         else if (buf[0] == '\n')
1199                 {
1200                 if ((def == NULL) || (def[0] == '\0'))
1201                         return(1);
1202                 strcpy(buf,def);
1203                 strcat(buf,"\n");
1204                 }
1205         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1206
1207         i=strlen(buf);
1208         if (buf[i-1] != '\n')
1209                 {
1210                 BIO_printf(bio_err,"weird input :-(\n");
1211                 return(0);
1212                 }
1213         buf[--i]='\0';
1214         if(!req_check_len(i, min, max)) goto start;
1215
1216         if(!X509_REQ_radd_attr_by_NID(req, nid, MBSTRING_ASC,
1217                                         (unsigned char *)buf, -1)) {
1218                 BIO_printf(bio_err, "Error adding attribute\n");
1219                 ERR_print_errors(bio_err);
1220                 goto err;
1221         }
1222
1223         return(1);
1224 err:
1225         return(0);
1226         }
1227
1228 #ifndef NO_RSA
1229 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1230         {
1231         char c='*';
1232
1233         if (p == 0) c='.';
1234         if (p == 1) c='+';
1235         if (p == 2) c='*';
1236         if (p == 3) c='\n';
1237         BIO_write((BIO *)arg,&c,1);
1238         (void)BIO_flush((BIO *)arg);
1239 #ifdef LINT
1240         p=n;
1241 #endif
1242         }
1243 #endif
1244
1245 static int req_check_len(int len, int min, int max)
1246         {
1247         if (len < min)
1248                 {
1249                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1250                 return(0);
1251                 }
1252         if ((max != 0) && (len > max))
1253                 {
1254                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1255                 return(0);
1256                 }
1257         return(1);
1258         }
1259
1260 /* Check if the end of a string matches 'end' */
1261 static int check_end(char *str, char *end)
1262 {
1263         int elen, slen;
1264         char *tmp;
1265         elen = strlen(end);
1266         slen = strlen(str);
1267         if(elen > slen) return 1;
1268         tmp = str + slen - elen;
1269         return strcmp(tmp, end);
1270 }
1271
1272 static int add_oid_section(LHASH *conf)
1273 {
1274         char *p;
1275         STACK_OF(CONF_VALUE) *sktmp;
1276         CONF_VALUE *cnf;
1277         int i;
1278         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1279         if(!(sktmp = CONF_get_section(conf, p))) {
1280                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1281                 return 0;
1282         }
1283         for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
1284                 cnf = sk_CONF_VALUE_value(sktmp, i);
1285                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1286                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1287                                                          cnf->name, cnf->value);
1288                         return 0;
1289                 }
1290         }
1291         return 1;
1292 }