apps/req.c

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