apps/req.c

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