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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
  60  * deprecated functions for openssl-internal code */
  61 #ifdef OPENSSL_NO_DEPRECATED
  62 #undef OPENSSL_NO_DEPRECATED
  63 #endif
  64
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <time.h>
  68 #include <string.h>
  69 #ifdef OPENSSL_NO_STDIO
  70 #define APPS_WIN16
  71 #endif
  72 #include "apps.h"
  73 #include <openssl/bio.h>
  74 #include <openssl/evp.h>
  75 #include <openssl/conf.h>
  76 #include <openssl/err.h>
  77 #include <openssl/asn1.h>
  78 #include <openssl/x509.h>
  79 #include <openssl/x509v3.h>
  80 #include <openssl/objects.h>
  81 #include <openssl/pem.h>
  82 #include "../crypto/cryptlib.h"
  83
  84 #define SECTION         "req"
  85
  86 #define BITS            "default_bits"
  87 #define KEYFILE         "default_keyfile"
  88 #define PROMPT          "prompt"
  89 #define DISTINGUISHED_NAME      "distinguished_name"
  90 #define ATTRIBUTES      "attributes"
  91 #define V3_EXTENSIONS   "x509_extensions"
  92 #define REQ_EXTENSIONS  "req_extensions"
  93 #define STRING_MASK     "string_mask"
  94 #define UTF8_IN         "utf8"
  95
  96 #define DEFAULT_KEY_LENGTH      512
  97 #define MIN_KEY_LENGTH          384
  98
  99 #undef PROG
 100 #define PROG    req_main
 101
 102 /* -inform arg  - input format - default PEM (DER or PEM)
 103  * -outform arg - output format - default PEM
 104  * -in arg      - input file - default stdin
 105  * -out arg     - output file - default stdout
 106  * -verify      - check request signature
 107  * -noout       - don't print stuff out.
 108  * -text        - print out human readable text.
 109  * -nodes       - no des encryption
 110  * -config file - Load configuration file.
 111  * -key file    - make a request using key in file (or use it for verification).
 112  * -keyform arg - key file format.
 113  * -rand file(s) - load the file(s) into the PRNG.
 114  * -newkey      - make a key and a request.
 115  * -modulus     - print RSA modulus.
 116  * -pubkey      - output Public Key.
 117  * -x509        - output a self signed X509 structure instead.
 118  * -asn1-kludge - output new certificate request in a format that some CA's
 119  *                require.  This format is wrong
 120  */
 121
 122 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 123                 unsigned long chtype);
 124 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 125 static int prompt_info(X509_REQ *req,
 126                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 127                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 128                 unsigned long chtype);
 129 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 130                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 131                                 unsigned long chtype);
 132 static int add_attribute_object(X509_REQ *req, char *text,
 133                                 char *def, char *value, int nid, int n_min,
 134                                 int n_max, unsigned long chtype);
 135 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 136         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 137 #ifndef OPENSSL_NO_RSA
 138 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 139 #endif
 140 static int req_check_len(int len,int n_min,int n_max);
 141 static int check_end(char *str, char *end);
 142 #ifndef MONOLITH
 143 static char *default_config_file=NULL;
 144 #endif
 145 static CONF *req_conf=NULL;
 146 static int batch=0;
 147
 148 #define TYPE_RSA        1
 149 #define TYPE_DSA        2
 150 #define TYPE_DH         3
 151 #define TYPE_EC         4
 152
 153 int MAIN(int, char **);
 154
 155 int MAIN(int argc, char **argv)
 156         {
 157         ENGINE *e = NULL;
 158 #ifndef OPENSSL_NO_DSA
 159         DSA *dsa_params=NULL;
 160 #endif
 161 #ifndef OPENSSL_NO_ECDSA
 162         EC_KEY *ec_params = NULL;
 163 #endif
 164         unsigned long nmflag = 0, reqflag = 0;
 165         int ex=1,x509=0,days=30;
 166         X509 *x509ss=NULL;
 167         X509_REQ *req=NULL;
 168         EVP_PKEY *pkey=NULL;
 169         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 170         long newkey = -1;
 171         BIO *in=NULL,*out=NULL;
 172         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 173         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 174         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 175 #ifndef OPENSSL_NO_ENGINE
 176         char *engine=NULL;
 177 #endif
 178         char *extensions = NULL;
 179         char *req_exts = NULL;
 180         const EVP_CIPHER *cipher=NULL;
 181         ASN1_INTEGER *serial = NULL;
 182         int modulus=0;
 183         char *inrand=NULL;
 184         char *passargin = NULL, *passargout = NULL;
 185         char *passin = NULL, *passout = NULL;
 186         char *p;
 187         char *subj = NULL;
 188         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 189         unsigned long chtype = MBSTRING_ASC;
 190 #ifndef MONOLITH
 191         char *to_free;
 192         long errline;
 193 #endif
 194
 195         req_conf = NULL;
 196 #ifndef OPENSSL_NO_DES
 197         cipher=EVP_des_ede3_cbc();
 198 #endif
 199         apps_startup();
 200
 201         if (bio_err == NULL)
 202                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 203                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 204
 205         infile=NULL;
 206         outfile=NULL;
 207         informat=FORMAT_PEM;
 208         outformat=FORMAT_PEM;
 209
 210         prog=argv[0];
 211         argc--;
 212         argv++;
 213         while (argc >= 1)
 214                 {
 215                 if      (strcmp(*argv,"-inform") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         informat=str2fmt(*(++argv));
 219                         }
 220                 else if (strcmp(*argv,"-outform") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         outformat=str2fmt(*(++argv));
 224                         }
 225 #ifndef OPENSSL_NO_ENGINE
 226                 else if (strcmp(*argv,"-engine") == 0)
 227                         {
 228                         if (--argc < 1) goto bad;
 229                         engine= *(++argv);
 230                         }
 231 #endif
 232                 else if (strcmp(*argv,"-key") == 0)
 233                         {
 234                         if (--argc < 1) goto bad;
 235                         keyfile= *(++argv);
 236                         }
 237                 else if (strcmp(*argv,"-pubkey") == 0)
 238                         {
 239                         pubkey=1;
 240                         }
 241                 else if (strcmp(*argv,"-new") == 0)
 242                         {
 243                         newreq=1;
 244                         }
 245                 else if (strcmp(*argv,"-config") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         template= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-keyform") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         keyform=str2fmt(*(++argv));
 254                         }
 255                 else if (strcmp(*argv,"-in") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         infile= *(++argv);
 259                         }
 260                 else if (strcmp(*argv,"-out") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         outfile= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-keyout") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         keyout= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-passin") == 0)
 271                         {
 272                         if (--argc < 1) goto bad;
 273                         passargin= *(++argv);
 274                         }
 275                 else if (strcmp(*argv,"-passout") == 0)
 276                         {
 277                         if (--argc < 1) goto bad;
 278                         passargout= *(++argv);
 279                         }
 280                 else if (strcmp(*argv,"-rand") == 0)
 281                         {
 282                         if (--argc < 1) goto bad;
 283                         inrand= *(++argv);
 284                         }
 285                 else if (strcmp(*argv,"-newkey") == 0)
 286                         {
 287                         int is_numeric;
 288
 289                         if (--argc < 1) goto bad;
 290                         p= *(++argv);
 291                         is_numeric = p[0] >= '0' && p[0] <= '9';
 292                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 293                                 {
 294                                 pkey_type=TYPE_RSA;
 295                                 if(!is_numeric)
 296                                     p+=4;
 297                                 newkey= atoi(p);
 298                                 }
 299                         else
 300 #ifndef OPENSSL_NO_DSA
 301                                 if (strncmp("dsa:",p,4) == 0)
 302                                 {
 303                                 X509 *xtmp=NULL;
 304                                 EVP_PKEY *dtmp;
 305
 306                                 pkey_type=TYPE_DSA;
 307                                 p+=4;
 308                                 if ((in=BIO_new_file(p,"r")) == NULL)
 309                                         {
 310                                         perror(p);
 311                                         goto end;
 312                                         }
 313                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 314                                         {
 315                                         ERR_clear_error();
 316                                         (void)BIO_reset(in);
 317                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 318                                                 {
 319                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 320                                                 goto end;
 321                                                 }
 322
 323                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 324                                         if (dtmp->type == EVP_PKEY_DSA)
 325                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 326                                         EVP_PKEY_free(dtmp);
 327                                         X509_free(xtmp);
 328                                         if (dsa_params == NULL)
 329                                                 {
 330                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 331                                                 goto end;
 332                                                 }
 333                                         }
 334                                 BIO_free(in);
 335                                 in=NULL;
 336                                 newkey=BN_num_bits(dsa_params->p);
 337                                 }
 338                         else
 339 #endif
 340 #ifndef OPENSSL_NO_ECDSA
 341                                 if (strncmp("ec:",p,3) == 0)
 342                                 {
 343                                 X509 *xtmp=NULL;
 344                                 EVP_PKEY *dtmp;
 345
 346                                 pkey_type=TYPE_EC;
 347                                 p+=3;
 348                                 if ((in=BIO_new_file(p,"r")) == NULL)
 349                                         {
 350                                         perror(p);
 351                                         goto end;
 352                                         }
 353                                 if ((ec_params = EC_KEY_new()) == NULL)
 354                                         goto end;
 355                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 356                                         {
 357                                         if (ec_params)
 358                                                 EC_KEY_free(ec_params);
 359                                         ERR_clear_error();
 360                                         (void)BIO_reset(in);
 361                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 362                                                 {
 363                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 364                                                 goto end;
 365                                                 }
 366
 367                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 368                                                 goto end;
 369                                         if (dtmp->type == EVP_PKEY_EC)
 370                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 371                                         EVP_PKEY_free(dtmp);
 372                                         X509_free(xtmp);
 373                                         if (ec_params == NULL)
 374                                                 {
 375                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 376                                                 goto end;
 377                                                 }
 378                                         }
 379
 380                                 BIO_free(in);
 381                                 in=NULL;
 382
 383                                 newkey = EC_GROUP_get_degree(ec_params->group);
 384
 385                                 }
 386                         else
 387 #endif
 388 #ifndef OPENSSL_NO_DH
 389                                 if (strncmp("dh:",p,4) == 0)
 390                                 {
 391                                 pkey_type=TYPE_DH;
 392                                 p+=3;
 393                                 }
 394                         else
 395 #endif
 396                                 {
 397                                 goto bad;
 398                                 }
 399
 400                         newreq=1;
 401                         }
 402                 else if (strcmp(*argv,"-batch") == 0)
 403                         batch=1;
 404                 else if (strcmp(*argv,"-newhdr") == 0)
 405                         newhdr=1;
 406                 else if (strcmp(*argv,"-modulus") == 0)
 407                         modulus=1;
 408                 else if (strcmp(*argv,"-verify") == 0)
 409                         verify=1;
 410                 else if (strcmp(*argv,"-nodes") == 0)
 411                         nodes=1;
 412                 else if (strcmp(*argv,"-noout") == 0)
 413                         noout=1;
 414                 else if (strcmp(*argv,"-verbose") == 0)
 415                         verbose=1;
 416                 else if (strcmp(*argv,"-utf8") == 0)
 417                         chtype = MBSTRING_UTF8;
 418                 else if (strcmp(*argv,"-nameopt") == 0)
 419                         {
 420                         if (--argc < 1) goto bad;
 421                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 422                         }
 423                 else if (strcmp(*argv,"-reqopt") == 0)
 424                         {
 425                         if (--argc < 1) goto bad;
 426                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 427                         }
 428                 else if (strcmp(*argv,"-subject") == 0)
 429                         subject=1;
 430                 else if (strcmp(*argv,"-text") == 0)
 431                         text=1;
 432                 else if (strcmp(*argv,"-x509") == 0)
 433                         x509=1;
 434                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 435                         kludge=1;
 436                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 437                         kludge=0;
 438                 else if (strcmp(*argv,"-subj") == 0)
 439                         {
 440                         if (--argc < 1) goto bad;
 441                         subj= *(++argv);
 442                         }
 443                 else if (strcmp(*argv,"-days") == 0)
 444                         {
 445                         if (--argc < 1) goto bad;
 446                         days= atoi(*(++argv));
 447                         if (days == 0) days=30;
 448                         }
 449                 else if (strcmp(*argv,"-set_serial") == 0)
 450                         {
 451                         if (--argc < 1) goto bad;
 452                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 453                         if (!serial) goto bad;
 454                         }
 455                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 456                         {
 457                         /* ok */
 458                         digest=md_alg;
 459                         }
 460                 else if (strcmp(*argv,"-extensions") == 0)
 461                         {
 462                         if (--argc < 1) goto bad;
 463                         extensions = *(++argv);
 464                         }
 465                 else if (strcmp(*argv,"-reqexts") == 0)
 466                         {
 467                         if (--argc < 1) goto bad;
 468                         req_exts = *(++argv);
 469                         }
 470                 else
 471                         {
 472                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 473                         badops=1;
 474                         break;
 475                         }
 476                 argc--;
 477                 argv++;
 478                 }
 479
 480         if (badops)
 481                 {
 482 bad:
 483                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 484                 BIO_printf(bio_err,"where options  are\n");
 485                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 486                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 487                 BIO_printf(bio_err," -in arg        input file\n");
 488                 BIO_printf(bio_err," -out arg       output file\n");
 489                 BIO_printf(bio_err," -text          text form of request\n");
 490                 BIO_printf(bio_err," -pubkey        output public key\n");
 491                 BIO_printf(bio_err," -noout         do not output REQ\n");
 492                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 493                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 494                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 495 #ifndef OPENSSL_NO_ENGINE
 496                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 497 #endif
 498                 BIO_printf(bio_err," -subject       output the request's subject\n");
 499                 BIO_printf(bio_err," -passin        private key password source\n");
 500                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 501                 BIO_printf(bio_err," -keyform arg   key file format\n");
 502                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 503                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 504                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 505                 BIO_printf(bio_err,"                the random number generator\n");
 506                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 507                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 508 #ifndef OPENSSL_NO_ECDSA
 509                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 510 #endif
 511                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 512                 BIO_printf(bio_err," -config file   request template file.\n");
 513                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 514                 BIO_printf(bio_err," -new           new request.\n");
 515                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 516                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 517                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 518                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 519                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 520                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 521                 BIO_printf(bio_err,"                have been reported as requiring\n");
 522                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 523                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 524                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 525                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 526                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 527                 goto end;
 528                 }
 529
 530         ERR_load_crypto_strings();
 531         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 532                 BIO_printf(bio_err, "Error getting passwords\n");
 533                 goto end;
 534         }
 535
 536 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 537         /* Lets load up our environment a little */
 538         p=getenv("OPENSSL_CONF");
 539         if (p == NULL)
 540                 p=getenv("SSLEAY_CONF");
 541         if (p == NULL)
 542                 p=to_free=make_config_name();
 543         default_config_file=p;
 544         config=NCONF_new(NULL);
 545         i=NCONF_load(config, p, &errline);
 546 #endif
 547
 548         if (template != NULL)
 549                 {
 550                 long errline = -1;
 551
 552                 if( verbose )
 553                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 554                 req_conf=NCONF_new(NULL);
 555                 i=NCONF_load(req_conf,template,&errline);
 556                 if (i == 0)
 557                         {
 558                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 559                         goto end;
 560                         }
 561                 }
 562         else
 563                 {
 564                 req_conf=config;
 565                 if( verbose )
 566                         BIO_printf(bio_err,"Using configuration from %s\n",
 567                         default_config_file);
 568                 if (req_conf == NULL)
 569                         {
 570                         BIO_printf(bio_err,"Unable to load config info\n");
 571                         }
 572                 }
 573
 574         if (req_conf != NULL)
 575                 {
 576                 if (!load_config(bio_err, req_conf))
 577                         goto end;
 578                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 579                 if (p == NULL)
 580                         ERR_clear_error();
 581                 if (p != NULL)
 582                         {
 583                         BIO *oid_bio;
 584
 585                         oid_bio=BIO_new_file(p,"r");
 586                         if (oid_bio == NULL)
 587                                 {
 588                                 /*
 589                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 590                                 ERR_print_errors(bio_err);
 591                                 */
 592                                 }
 593                         else
 594                                 {
 595                                 OBJ_create_objects(oid_bio);
 596                                 BIO_free(oid_bio);
 597                                 }
 598                         }
 599                 }
 600         if(!add_oid_section(bio_err, req_conf)) goto end;
 601
 602         if (md_alg == NULL)
 603                 {
 604                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 605                 if (p == NULL)
 606                         ERR_clear_error();
 607                 if (p != NULL)
 608                         {
 609                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 610                                 digest=md_alg;
 611                         }
 612                 }
 613
 614         if (!extensions)
 615                 {
 616                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 617                 if (!extensions)
 618                         ERR_clear_error();
 619                 }
 620         if (extensions) {
 621                 /* Check syntax of file */
 622                 X509V3_CTX ctx;
 623                 X509V3_set_ctx_test(&ctx);
 624                 X509V3_set_nconf(&ctx, req_conf);
 625                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 626                         BIO_printf(bio_err,
 627                          "Error Loading extension section %s\n", extensions);
 628                         goto end;
 629                 }
 630         }
 631
 632         if(!passin)
 633                 {
 634                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 635                 if (!passin)
 636                         ERR_clear_error();
 637                 }
 638
 639         if(!passout)
 640                 {
 641                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 642                 if (!passout)
 643                         ERR_clear_error();
 644                 }
 645
 646         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 647         if (!p)
 648                 ERR_clear_error();
 649
 650         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 651                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 652                 goto end;
 653         }
 654
 655         if (chtype != MBSTRING_UTF8)
 656                 {
 657                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 658                 if (!p)
 659                         ERR_clear_error();
 660                 else if (!strcmp(p, "yes"))
 661                         chtype = MBSTRING_UTF8;
 662                 }
 663
 664
 665         if(!req_exts)
 666                 {
 667                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 668                 if (!req_exts)
 669                         ERR_clear_error();
 670                 }
 671         if(req_exts) {
 672                 /* Check syntax of file */
 673                 X509V3_CTX ctx;
 674                 X509V3_set_ctx_test(&ctx);
 675                 X509V3_set_nconf(&ctx, req_conf);
 676                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 677                         BIO_printf(bio_err,
 678                          "Error Loading request extension section %s\n",
 679                                                                 req_exts);
 680                         goto end;
 681                 }
 682         }
 683
 684         in=BIO_new(BIO_s_file());
 685         out=BIO_new(BIO_s_file());
 686         if ((in == NULL) || (out == NULL))
 687                 goto end;
 688
 689 #ifndef OPENSSL_NO_ENGINE
 690         e = setup_engine(bio_err, engine, 0);
 691 #endif
 692
 693         if (keyfile != NULL)
 694                 {
 695                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 696                         "Private Key");
 697                 if (!pkey)
 698                         {
 699                         /* load_key() has already printed an appropriate
 700                            message */
 701                         goto end;
 702                         }
 703                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 704                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 705                         {
 706                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 707                         if (randfile == NULL)
 708                                 ERR_clear_error();
 709                         app_RAND_load_file(randfile, bio_err, 0);
 710                         }
 711                 }
 712
 713         if (newreq && (pkey == NULL))
 714                 {
 715                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 716                 if (randfile == NULL)
 717                         ERR_clear_error();
 718                 app_RAND_load_file(randfile, bio_err, 0);
 719                 if (inrand)
 720                         app_RAND_load_files(inrand);
 721
 722                 if (newkey <= 0)
 723                         {
 724                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 725                                 newkey=DEFAULT_KEY_LENGTH;
 726                         }
 727
 728                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 729                         {
 730                         BIO_printf(bio_err,"private key length is too short,\n");
 731                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 732                         goto end;
 733                         }
 734                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 735                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 736                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 737
 738                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 739
 740 #ifndef OPENSSL_NO_RSA
 741                 if (pkey_type == TYPE_RSA)
 742                         {
 743                         if (!EVP_PKEY_assign_RSA(pkey,
 744                                 RSA_generate_key(newkey,0x10001,
 745                                         req_cb,bio_err)))
 746                                 goto end;
 747                         }
 748                 else
 749 #endif
 750 #ifndef OPENSSL_NO_DSA
 751                         if (pkey_type == TYPE_DSA)
 752                         {
 753                         if (!DSA_generate_key(dsa_params)) goto end;
 754                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 755                         dsa_params=NULL;
 756                         }
 757 #endif
 758 #ifndef OPENSSL_NO_ECDSA
 759                         if (pkey_type == TYPE_EC)
 760                         {
 761                         if (!EC_KEY_generate_key(ec_params)) goto end;
 762                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 763                                 goto end;
 764                         ec_params = NULL;
 765                         }
 766 #endif
 767
 768                 app_RAND_write_file(randfile, bio_err);
 769
 770                 if (pkey == NULL) goto end;
 771
 772                 if (keyout == NULL)
 773                         {
 774                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 775                         if (keyout == NULL)
 776                                 ERR_clear_error();
 777                         }
 778
 779                 if (keyout == NULL)
 780                         {
 781                         BIO_printf(bio_err,"writing new private key to stdout\n");
 782                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 783 #ifdef OPENSSL_SYS_VMS
 784                         {
 785                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 786                         out = BIO_push(tmpbio, out);
 787                         }
 788 #endif
 789                         }
 790                 else
 791                         {
 792                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 793                         if (BIO_write_filename(out,keyout) <= 0)
 794                                 {
 795                                 perror(keyout);
 796                                 goto end;
 797                                 }
 798                         }
 799
 800                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 801                 if (p == NULL)
 802                         {
 803                         ERR_clear_error();
 804                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 805                         if (p == NULL)
 806                                 ERR_clear_error();
 807                         }
 808                 if ((p != NULL) && (strcmp(p,"no") == 0))
 809                         cipher=NULL;
 810                 if (nodes) cipher=NULL;
 811
 812                 i=0;
 813 loop:
 814                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 815                         NULL,0,NULL,passout))
 816                         {
 817                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 818                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 819                                 {
 820                                 ERR_clear_error();
 821                                 i++;
 822                                 goto loop;
 823                                 }
 824                         goto end;
 825                         }
 826                 BIO_printf(bio_err,"-----\n");
 827                 }
 828
 829         if (!newreq)
 830                 {
 831                 /* Since we are using a pre-existing certificate
 832                  * request, the kludge 'format' info should not be
 833                  * changed. */
 834                 kludge= -1;
 835                 if (infile == NULL)
 836                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 837                 else
 838                         {
 839                         if (BIO_read_filename(in,infile) <= 0)
 840                                 {
 841                                 perror(infile);
 842                                 goto end;
 843                                 }
 844                         }
 845
 846                 if      (informat == FORMAT_ASN1)
 847                         req=d2i_X509_REQ_bio(in,NULL);
 848                 else if (informat == FORMAT_PEM)
 849                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 850                 else
 851                         {
 852                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 853                         goto end;
 854                         }
 855                 if (req == NULL)
 856                         {
 857                         BIO_printf(bio_err,"unable to load X509 request\n");
 858                         goto end;
 859                         }
 860                 }
 861
 862         if (newreq || x509)
 863                 {
 864                 if (pkey == NULL)
 865                         {
 866                         BIO_printf(bio_err,"you need to specify a private key\n");
 867                         goto end;
 868                         }
 869 #ifndef OPENSSL_NO_DSA
 870                 if (pkey->type == EVP_PKEY_DSA)
 871                         digest=EVP_dss1();
 872 #endif
 873 #ifndef OPENSSL_NO_ECDSA
 874                 if (pkey->type == EVP_PKEY_EC)
 875                         digest=EVP_ecdsa();
 876 #endif
 877                 if (req == NULL)
 878                         {
 879                         req=X509_REQ_new();
 880                         if (req == NULL)
 881                                 {
 882                                 goto end;
 883                                 }
 884
 885                         i=make_REQ(req,pkey,subj,!x509, chtype);
 886                         subj=NULL; /* done processing '-subj' option */
 887                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 888                                 {
 889                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 890                                 req->req_info->attributes = NULL;
 891                                 }
 892                         if (!i)
 893                                 {
 894                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 895                                 goto end;
 896                                 }
 897                         }
 898                 if (x509)
 899                         {
 900                         EVP_PKEY *tmppkey;
 901                         X509V3_CTX ext_ctx;
 902                         if ((x509ss=X509_new()) == NULL) goto end;
 903
 904                         /* Set version to V3 */
 905                         if(!X509_set_version(x509ss, 2)) goto end;
 906                         if (serial)
 907                                 {
 908                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 909                                 }
 910                         else
 911                                 {
 912                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 913                                 }
 914
 915                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 916                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 917                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 918                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 919                         tmppkey = X509_REQ_get_pubkey(req);
 920                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 921                         EVP_PKEY_free(tmppkey);
 922
 923                         /* Set up V3 context struct */
 924
 925                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 926                         X509V3_set_nconf(&ext_ctx, req_conf);
 927
 928                         /* Add extensions */
 929                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 930                                         &ext_ctx, extensions, x509ss))
 931                                 {
 932                                 BIO_printf(bio_err,
 933                                         "Error Loading extension section %s\n",
 934                                         extensions);
 935                                 goto end;
 936                                 }
 937
 938                         if (!(i=X509_sign(x509ss,pkey,digest)))
 939                                 goto end;
 940                         }
 941                 else
 942                         {
 943                         X509V3_CTX ext_ctx;
 944
 945                         /* Set up V3 context struct */
 946
 947                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 948                         X509V3_set_nconf(&ext_ctx, req_conf);
 949
 950                         /* Add extensions */
 951                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 952                                         &ext_ctx, req_exts, req))
 953                                 {
 954                                 BIO_printf(bio_err,
 955                                         "Error Loading extension section %s\n",
 956                                         req_exts);
 957                                 goto end;
 958                                 }
 959                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 960                                 goto end;
 961                         }
 962                 }
 963
 964         if (subj && x509)
 965                 {
 966                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 967                 goto end;
 968                 }
 969
 970         if (subj && !x509)
 971                 {
 972                 if (verbose)
 973                         {
 974                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 975                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 976                         }
 977
 978                 if (build_subject(req, subj, chtype) == 0)
 979                         {
 980                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 981                         ex=1;
 982                         goto end;
 983                         }
 984
 985                 req->req_info->enc.modified = 1;
 986
 987                 if (verbose)
 988                         {
 989                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 990                         }
 991                 }
 992
 993         if (verify && !x509)
 994                 {
 995                 int tmp=0;
 996
 997                 if (pkey == NULL)
 998                         {
 999                         pkey=X509_REQ_get_pubkey(req);
1000                         tmp=1;
1001                         if (pkey == NULL) goto end;
1002                         }
1003
1004                 i=X509_REQ_verify(req,pkey);
1005                 if (tmp) {
1006                         EVP_PKEY_free(pkey);
1007                         pkey=NULL;
1008                 }
1009
1010                 if (i < 0)
1011                         {
1012                         goto end;
1013                         }
1014                 else if (i == 0)
1015                         {
1016                         BIO_printf(bio_err,"verify failure\n");
1017                         ERR_print_errors(bio_err);
1018                         }
1019                 else /* if (i > 0) */
1020                         BIO_printf(bio_err,"verify OK\n");
1021                 }
1022
1023         if (noout && !text && !modulus && !subject && !pubkey)
1024                 {
1025                 ex=0;
1026                 goto end;
1027                 }
1028
1029         if (outfile == NULL)
1030                 {
1031                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1032 #ifdef OPENSSL_SYS_VMS
1033                 {
1034                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1035                 out = BIO_push(tmpbio, out);
1036                 }
1037 #endif
1038                 }
1039         else
1040                 {
1041                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1042                         i=(int)BIO_append_filename(out,outfile);
1043                 else
1044                         i=(int)BIO_write_filename(out,outfile);
1045                 if (!i)
1046                         {
1047                         perror(outfile);
1048                         goto end;
1049                         }
1050                 }
1051
1052         if (pubkey)
1053                 {
1054                 EVP_PKEY *tpubkey;
1055                 tpubkey=X509_REQ_get_pubkey(req);
1056                 if (tpubkey == NULL)
1057                         {
1058                         BIO_printf(bio_err,"Error getting public key\n");
1059                         ERR_print_errors(bio_err);
1060                         goto end;
1061                         }
1062                 PEM_write_bio_PUBKEY(out, tpubkey);
1063                 EVP_PKEY_free(tpubkey);
1064                 }
1065
1066         if (text)
1067                 {
1068                 if (x509)
1069                         X509_print_ex(out, x509ss, nmflag, reqflag);
1070                 else
1071                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1072                 }
1073
1074         if(subject)
1075                 {
1076                 if(x509)
1077                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1078                 else
1079                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1080                 }
1081
1082         if (modulus)
1083                 {
1084                 EVP_PKEY *tpubkey;
1085
1086                 if (x509)
1087                         tpubkey=X509_get_pubkey(x509ss);
1088                 else
1089                         tpubkey=X509_REQ_get_pubkey(req);
1090                 if (tpubkey == NULL)
1091                         {
1092                         fprintf(stdout,"Modulus=unavailable\n");
1093                         goto end;
1094                         }
1095                 fprintf(stdout,"Modulus=");
1096 #ifndef OPENSSL_NO_RSA
1097                 if (tpubkey->type == EVP_PKEY_RSA)
1098                         BN_print(out,tpubkey->pkey.rsa->n);
1099                 else
1100 #endif
1101                         fprintf(stdout,"Wrong Algorithm type");
1102                 EVP_PKEY_free(tpubkey);
1103                 fprintf(stdout,"\n");
1104                 }
1105
1106         if (!noout && !x509)
1107                 {
1108                 if      (outformat == FORMAT_ASN1)
1109                         i=i2d_X509_REQ_bio(out,req);
1110                 else if (outformat == FORMAT_PEM) {
1111                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1112                         else i=PEM_write_bio_X509_REQ(out,req);
1113                 } else {
1114                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1115                         goto end;
1116                         }
1117                 if (!i)
1118                         {
1119                         BIO_printf(bio_err,"unable to write X509 request\n");
1120                         goto end;
1121                         }
1122                 }
1123         if (!noout && x509 && (x509ss != NULL))
1124                 {
1125                 if      (outformat == FORMAT_ASN1)
1126                         i=i2d_X509_bio(out,x509ss);
1127                 else if (outformat == FORMAT_PEM)
1128                         i=PEM_write_bio_X509(out,x509ss);
1129                 else    {
1130                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1131                         goto end;
1132                         }
1133                 if (!i)
1134                         {
1135                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1136                         goto end;
1137                         }
1138                 }
1139         ex=0;
1140 end:
1141 #ifndef MONOLITH
1142         if(to_free)
1143                 OPENSSL_free(to_free);
1144 #endif
1145         if (ex)
1146                 {
1147                 ERR_print_errors(bio_err);
1148                 }
1149         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1150         BIO_free(in);
1151         BIO_free_all(out);
1152         EVP_PKEY_free(pkey);
1153         X509_REQ_free(req);
1154         X509_free(x509ss);
1155         ASN1_INTEGER_free(serial);
1156         if(passargin && passin) OPENSSL_free(passin);
1157         if(passargout && passout) OPENSSL_free(passout);
1158         OBJ_cleanup();
1159 #ifndef OPENSSL_NO_DSA
1160         if (dsa_params != NULL) DSA_free(dsa_params);
1161 #endif
1162 #ifndef OPENSSL_NO_ECDSA
1163         if (ec_params != NULL) EC_KEY_free(ec_params);
1164 #endif
1165         apps_shutdown();
1166         OPENSSL_EXIT(ex);
1167         }
1168
1169 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1170                         unsigned long chtype)
1171         {
1172         int ret=0,i;
1173         char no_prompt = 0;
1174         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1175         char *tmp, *dn_sect,*attr_sect;
1176
1177         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1178         if (tmp == NULL)
1179                 ERR_clear_error();
1180         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1181
1182         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1183         if (dn_sect == NULL)
1184                 {
1185                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1186                         DISTINGUISHED_NAME);
1187                 goto err;
1188                 }
1189         dn_sk=NCONF_get_section(req_conf,dn_sect);
1190         if (dn_sk == NULL)
1191                 {
1192                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1193                 goto err;
1194                 }
1195
1196         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1197         if (attr_sect == NULL)
1198                 {
1199                 ERR_clear_error();
1200                 attr_sk=NULL;
1201                 }
1202         else
1203                 {
1204                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1205                 if (attr_sk == NULL)
1206                         {
1207                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1208                         goto err;
1209                         }
1210                 }
1211
1212         /* setup version number */
1213         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1214
1215         if (no_prompt)
1216                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1217         else
1218                 {
1219                 if (subj)
1220                         i = build_subject(req, subj, chtype);
1221                 else
1222                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1223                 }
1224         if(!i) goto err;
1225
1226         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1227
1228         ret=1;
1229 err:
1230         return(ret);
1231         }
1232
1233 /*
1234  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1235  * where characters may be escaped by \
1236  */
1237 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1238         {
1239         X509_NAME *n;
1240
1241         if (!(n = do_subject(subject, chtype)))
1242                 return 0;
1243
1244         if (!X509_REQ_set_subject_name(req, n))
1245                 {
1246                 X509_NAME_free(n);
1247                 return 0;
1248                 }
1249         X509_NAME_free(n);
1250         return 1;
1251 }
1252
1253
1254 static int prompt_info(X509_REQ *req,
1255                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1256                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1257                 unsigned long chtype)
1258         {
1259         int i;
1260         char *p,*q;
1261         char buf[100];
1262         int nid, mval;
1263         long n_min,n_max;
1264         char *type,*def,*value;
1265         CONF_VALUE *v;
1266         X509_NAME *subj;
1267         subj = X509_REQ_get_subject_name(req);
1268
1269         if(!batch)
1270                 {
1271                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1272                 BIO_printf(bio_err,"into your certificate request.\n");
1273                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1274                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1275                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1276                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1277                 BIO_printf(bio_err,"-----\n");
1278                 }
1279
1280
1281         if (sk_CONF_VALUE_num(dn_sk))
1282                 {
1283                 i= -1;
1284 start:          for (;;)
1285                         {
1286                         i++;
1287                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1288
1289                         v=sk_CONF_VALUE_value(dn_sk,i);
1290                         p=q=NULL;
1291                         type=v->name;
1292                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1293                                 !check_end(type,"_default") ||
1294                                          !check_end(type,"_value")) continue;
1295                         /* Skip past any leading X. X: X, etc to allow for
1296                          * multiple instances
1297                          */
1298                         for(p = v->name; *p ; p++)
1299                                 if ((*p == ':') || (*p == ',') ||
1300                                                          (*p == '.')) {
1301                                         p++;
1302                                         if(*p) type = p;
1303                                         break;
1304                                 }
1305                         if (*type == '+')
1306                                 {
1307                                 mval = -1;
1308                                 type++;
1309                                 }
1310                         else
1311                                 mval = 0;
1312                         /* If OBJ not recognised ignore it */
1313                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1314
1315                         if(strlen(v->name) > sizeof buf-9)
1316                            {
1317                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1318                            return 0;
1319                            }
1320
1321                         sprintf(buf,"%s_default",v->name);
1322                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1323                                 {
1324                                 ERR_clear_error();
1325                                 def="";
1326                                 }
1327                         sprintf(buf,"%s_value",v->name);
1328                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1329                                 {
1330                                 ERR_clear_error();
1331                                 value=NULL;
1332                                 }
1333
1334                         sprintf(buf,"%s_min",v->name);
1335                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1336                                 {
1337                                 ERR_clear_error();
1338                                 n_min = -1;
1339                                 }
1340
1341                         sprintf(buf,"%s_max",v->name);
1342                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1343                                 {
1344                                 ERR_clear_error();
1345                                 n_max = -1;
1346                                 }
1347
1348                         if (!add_DN_object(subj,v->value,def,value,nid,
1349                                 n_min,n_max, chtype, mval))
1350                                 return 0;
1351                         }
1352                 if (X509_NAME_entry_count(subj) == 0)
1353                         {
1354                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1355                         return 0;
1356                         }
1357
1358                 if (attribs)
1359                         {
1360                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1361                                 {
1362                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1363                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1364                                 }
1365
1366                         i= -1;
1367 start2:                 for (;;)
1368                                 {
1369                                 i++;
1370                                 if ((attr_sk == NULL) ||
1371                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1372                                         break;
1373
1374                                 v=sk_CONF_VALUE_value(attr_sk,i);
1375                                 type=v->name;
1376                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1377                                         goto start2;
1378
1379                                 if(strlen(v->name) > sizeof buf-9)
1380                                    {
1381                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1382                                    return 0;
1383                                    }
1384
1385                                 sprintf(buf,"%s_default",type);
1386                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1387                                         == NULL)
1388                                         {
1389                                         ERR_clear_error();
1390                                         def="";
1391                                         }
1392
1393
1394                                 sprintf(buf,"%s_value",type);
1395                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1396                                         == NULL)
1397                                         {
1398                                         ERR_clear_error();
1399                                         value=NULL;
1400                                         }
1401
1402                                 sprintf(buf,"%s_min",type);
1403                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1404                                         n_min = -1;
1405
1406                                 sprintf(buf,"%s_max",type);
1407                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1408                                         n_max = -1;
1409
1410                                 if (!add_attribute_object(req,
1411                                         v->value,def,value,nid,n_min,n_max, chtype))
1412                                         return 0;
1413                                 }
1414                         }
1415                 }
1416         else
1417                 {
1418                 BIO_printf(bio_err,"No template, please set one up.\n");
1419                 return 0;
1420                 }
1421
1422         return 1;
1423
1424         }
1425
1426 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1427                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1428         {
1429         int i;
1430         char *p,*q;
1431         char *type;
1432         CONF_VALUE *v;
1433         X509_NAME *subj;
1434
1435         subj = X509_REQ_get_subject_name(req);
1436
1437         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1438                 {
1439                 int mval;
1440                 v=sk_CONF_VALUE_value(dn_sk,i);
1441                 p=q=NULL;
1442                 type=v->name;
1443                 /* Skip past any leading X. X: X, etc to allow for
1444                  * multiple instances
1445                  */
1446                 for(p = v->name; *p ; p++)
1447 #ifndef CHARSET_EBCDIC
1448                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1449 #else
1450                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1451 #endif
1452                                 p++;
1453                                 if(*p) type = p;
1454                                 break;
1455                         }
1456 #ifndef CHARSET_EBCDIC
1457                 if (*p == '+')
1458 #else
1459                 if (*p == os_toascii['+'])
1460 #endif
1461                         {
1462                         p++;
1463                         mval = -1;
1464                         }
1465                 else
1466                         mval = 0;
1467                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1468                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1469
1470                 }
1471
1472                 if (!X509_NAME_entry_count(subj))
1473                         {
1474                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1475                         return 0;
1476                         }
1477                 if (attribs)
1478                         {
1479                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1480                                 {
1481                                 v=sk_CONF_VALUE_value(attr_sk,i);
1482                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1483                                         (unsigned char *)v->value, -1)) return 0;
1484                                 }
1485                         }
1486         return 1;
1487         }
1488
1489
1490 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1491              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1492         {
1493         int i,ret=0;
1494         MS_STATIC char buf[1024];
1495 start:
1496         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1497         (void)BIO_flush(bio_err);
1498         if(value != NULL)
1499                 {
1500                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1501                 strcpy(buf,value);
1502                 strcat(buf,"\n");
1503                 BIO_printf(bio_err,"%s\n",value);
1504                 }
1505         else
1506                 {
1507                 buf[0]='\0';
1508                 if (!batch)
1509                         {
1510                         fgets(buf,sizeof buf,stdin);
1511                         }
1512                 else
1513                         {
1514                         buf[0] = '\n';
1515                         buf[1] = '\0';
1516                         }
1517                 }
1518
1519         if (buf[0] == '\0') return(0);
1520         else if (buf[0] == '\n')
1521                 {
1522                 if ((def == NULL) || (def[0] == '\0'))
1523                         return(1);
1524                 strcpy(buf,def);
1525                 strcat(buf,"\n");
1526                 }
1527         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1528
1529         i=strlen(buf);
1530         if (buf[i-1] != '\n')
1531                 {
1532                 BIO_printf(bio_err,"weird input :-(\n");
1533                 return(0);
1534                 }
1535         buf[--i]='\0';
1536 #ifdef CHARSET_EBCDIC
1537         ebcdic2ascii(buf, buf, i);
1538 #endif
1539         if(!req_check_len(i, n_min, n_max)) goto start;
1540         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1541                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1542         ret=1;
1543 err:
1544         return(ret);
1545         }
1546
1547 static int add_attribute_object(X509_REQ *req, char *text,
1548                                 char *def, char *value, int nid, int n_min,
1549                                 int n_max, unsigned long chtype)
1550         {
1551         int i;
1552         static char buf[1024];
1553
1554 start:
1555         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1556         (void)BIO_flush(bio_err);
1557         if (value != NULL)
1558                 {
1559                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1560                 strcpy(buf,value);
1561                 strcat(buf,"\n");
1562                 BIO_printf(bio_err,"%s\n",value);
1563                 }
1564         else
1565                 {
1566                 buf[0]='\0';
1567                 if (!batch)
1568                         {
1569                         fgets(buf,sizeof buf,stdin);
1570                         }
1571                 else
1572                         {
1573                         buf[0] = '\n';
1574                         buf[1] = '\0';
1575                         }
1576                 }
1577
1578         if (buf[0] == '\0') return(0);
1579         else if (buf[0] == '\n')
1580                 {
1581                 if ((def == NULL) || (def[0] == '\0'))
1582                         return(1);
1583                 strcpy(buf,def);
1584                 strcat(buf,"\n");
1585                 }
1586         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1587
1588         i=strlen(buf);
1589         if (buf[i-1] != '\n')
1590                 {
1591                 BIO_printf(bio_err,"weird input :-(\n");
1592                 return(0);
1593                 }
1594         buf[--i]='\0';
1595 #ifdef CHARSET_EBCDIC
1596         ebcdic2ascii(buf, buf, i);
1597 #endif
1598         if(!req_check_len(i, n_min, n_max)) goto start;
1599
1600         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1601                                         (unsigned char *)buf, -1)) {
1602                 BIO_printf(bio_err, "Error adding attribute\n");
1603                 ERR_print_errors(bio_err);
1604                 goto err;
1605         }
1606
1607         return(1);
1608 err:
1609         return(0);
1610         }
1611
1612 #ifndef OPENSSL_NO_RSA
1613 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1614         {
1615         char c='*';
1616
1617         if (p == 0) c='.';
1618         if (p == 1) c='+';
1619         if (p == 2) c='*';
1620         if (p == 3) c='\n';
1621         BIO_write((BIO *)arg,&c,1);
1622         (void)BIO_flush((BIO *)arg);
1623 #ifdef LINT
1624         p=n;
1625 #endif
1626         }
1627 #endif
1628
1629 static int req_check_len(int len, int n_min, int n_max)
1630         {
1631         if ((n_min > 0) && (len < n_min))
1632                 {
1633                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1634                 return(0);
1635                 }
1636         if ((n_max >= 0) && (len > n_max))
1637                 {
1638                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1639                 return(0);
1640                 }
1641         return(1);
1642         }
1643
1644 /* Check if the end of a string matches 'end' */
1645 static int check_end(char *str, char *end)
1646 {
1647         int elen, slen;
1648         char *tmp;
1649         elen = strlen(end);
1650         slen = strlen(str);
1651         if(elen > slen) return 1;
1652         tmp = str + slen - elen;
1653         return strcmp(tmp, end);
1654 }