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 /*
  60  * Until the key-gen callbacks are modified to use newer prototypes, we allow
  61  * deprecated functions for openssl-internal code
  62  */
  63 #ifdef OPENSSL_NO_DEPRECATED
  64 # undef OPENSSL_NO_DEPRECATED
  65 #endif
  66
  67 #include <stdio.h>
  68 #include <stdlib.h>
  69 #include <time.h>
  70 #include <string.h>
  71 #ifdef OPENSSL_NO_STDIO
  72 # define APPS_WIN16
  73 #endif
  74 #include "apps.h"
  75 #include <openssl/bio.h>
  76 #include <openssl/evp.h>
  77 #include <openssl/conf.h>
  78 #include <openssl/err.h>
  79 #include <openssl/asn1.h>
  80 #include <openssl/x509.h>
  81 #include <openssl/x509v3.h>
  82 #include <openssl/objects.h>
  83 #include <openssl/pem.h>
  84 #include <openssl/bn.h>
  85 #ifndef OPENSSL_NO_RSA
  86 # include <openssl/rsa.h>
  87 #endif
  88 #ifndef OPENSSL_NO_DSA
  89 # include <openssl/dsa.h>
  90 #endif
  91
  92 #define SECTION         "req"
  93
  94 #define BITS            "default_bits"
  95 #define KEYFILE         "default_keyfile"
  96 #define PROMPT          "prompt"
  97 #define DISTINGUISHED_NAME      "distinguished_name"
  98 #define ATTRIBUTES      "attributes"
  99 #define V3_EXTENSIONS   "x509_extensions"
 100 #define REQ_EXTENSIONS  "req_extensions"
 101 #define STRING_MASK     "string_mask"
 102 #define UTF8_IN         "utf8"
 103
 104 #define DEFAULT_KEY_LENGTH      512
 105 #define MIN_KEY_LENGTH          384
 106
 107 #undef PROG
 108 #define PROG    req_main
 109
 110 /*-
 111  * -inform arg  - input format - default PEM (DER or PEM)
 112  * -outform arg - output format - default PEM
 113  * -in arg      - input file - default stdin
 114  * -out arg     - output file - default stdout
 115  * -verify      - check request signature
 116  * -noout       - don't print stuff out.
 117  * -text        - print out human readable text.
 118  * -nodes       - no des encryption
 119  * -config file - Load configuration file.
 120  * -key file    - make a request using key in file (or use it for verification).
 121  * -keyform arg - key file format.
 122  * -rand file(s) - load the file(s) into the PRNG.
 123  * -newkey      - make a key and a request.
 124  * -modulus     - print RSA modulus.
 125  * -pubkey      - output Public Key.
 126  * -x509        - output a self signed X509 structure instead.
 127  * -asn1-kludge - output new certificate request in a format that some CA's
 128  *                require.  This format is wrong
 129  */
 130
 131 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
 132                     int attribs, unsigned long chtype);
 133 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 134                          int multirdn);
 135 static int prompt_info(X509_REQ *req,
 136                        STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 137                        STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
 138                        int attribs, unsigned long chtype);
 139 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 140                      STACK_OF(CONF_VALUE) *attr, int attribs,
 141                      unsigned long chtype);
 142 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
 143                                 char *value, int nid, int n_min, int n_max,
 144                                 unsigned long chtype);
 145 static int add_DN_object(X509_NAME *n, char *text, const char *def,
 146                          char *value, int nid, int n_min, int n_max,
 147                          unsigned long chtype, int mval);
 148 #ifndef OPENSSL_NO_RSA
 149 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
 150 #endif
 151 static int req_check_len(int len, int n_min, int n_max);
 152 static int check_end(const char *str, const char *end);
 153 #ifndef MONOLITH
 154 static char *default_config_file = NULL;
 155 #endif
 156 static CONF *req_conf = NULL;
 157 static int batch = 0;
 158
 159 #define TYPE_RSA        1
 160 #define TYPE_DSA        2
 161 #define TYPE_DH         3
 162 #define TYPE_EC         4
 163
 164 int MAIN(int, char **);
 165
 166 int MAIN(int argc, char **argv)
 167 {
 168     ENGINE *e = NULL;
 169 #ifndef OPENSSL_NO_DSA
 170     DSA *dsa_params = NULL;
 171 #endif
 172 #ifndef OPENSSL_NO_ECDSA
 173     EC_KEY *ec_params = NULL;
 174 #endif
 175     unsigned long nmflag = 0, reqflag = 0;
 176     int ex = 1, x509 = 0, days = 30;
 177     X509 *x509ss = NULL;
 178     X509_REQ *req = NULL;
 179     EVP_PKEY *pkey = NULL;
 180     int i = 0, badops = 0, newreq = 0, verbose = 0, pkey_type = TYPE_RSA;
 181     long newkey = -1;
 182     BIO *in = NULL, *out = NULL;
 183     int informat, outformat, verify = 0, noout = 0, text = 0, keyform =
 184         FORMAT_PEM;
 185     int nodes = 0, kludge = 0, newhdr = 0, subject = 0, pubkey = 0;
 186     char *infile, *outfile, *prog, *keyfile = NULL, *template =
 187         NULL, *keyout = NULL;
 188 #ifndef OPENSSL_NO_ENGINE
 189     char *engine = NULL;
 190 #endif
 191     char *extensions = NULL;
 192     char *req_exts = NULL;
 193     const EVP_CIPHER *cipher = NULL;
 194     ASN1_INTEGER *serial = NULL;
 195     int modulus = 0;
 196     char *inrand = NULL;
 197     char *passargin = NULL, *passargout = NULL;
 198     char *passin = NULL, *passout = NULL;
 199     char *p;
 200     char *subj = NULL;
 201     int multirdn = 0;
 202     const EVP_MD *md_alg = NULL, *digest = EVP_sha1();
 203     unsigned long chtype = MBSTRING_ASC;
 204 #ifndef MONOLITH
 205     char *to_free;
 206     long errline;
 207 #endif
 208
 209     req_conf = NULL;
 210 #ifndef OPENSSL_NO_DES
 211     cipher = EVP_des_ede3_cbc();
 212 #endif
 213     apps_startup();
 214
 215     if (bio_err == NULL)
 216         if ((bio_err = BIO_new(BIO_s_file())) != NULL)
 217             BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 218
 219     infile = NULL;
 220     outfile = NULL;
 221     informat = FORMAT_PEM;
 222     outformat = FORMAT_PEM;
 223
 224     prog = argv[0];
 225     argc--;
 226     argv++;
 227     while (argc >= 1) {
 228         if (strcmp(*argv, "-inform") == 0) {
 229             if (--argc < 1)
 230                 goto bad;
 231             informat = str2fmt(*(++argv));
 232         } else if (strcmp(*argv, "-outform") == 0) {
 233             if (--argc < 1)
 234                 goto bad;
 235             outformat = str2fmt(*(++argv));
 236         }
 237 #ifndef OPENSSL_NO_ENGINE
 238         else if (strcmp(*argv, "-engine") == 0) {
 239             if (--argc < 1)
 240                 goto bad;
 241             engine = *(++argv);
 242         }
 243 #endif
 244         else if (strcmp(*argv, "-key") == 0) {
 245             if (--argc < 1)
 246                 goto bad;
 247             keyfile = *(++argv);
 248         } else if (strcmp(*argv, "-pubkey") == 0) {
 249             pubkey = 1;
 250         } else if (strcmp(*argv, "-new") == 0) {
 251             newreq = 1;
 252         } else if (strcmp(*argv, "-config") == 0) {
 253             if (--argc < 1)
 254                 goto bad;
 255             template = *(++argv);
 256         } else if (strcmp(*argv, "-keyform") == 0) {
 257             if (--argc < 1)
 258                 goto bad;
 259             keyform = str2fmt(*(++argv));
 260         } else if (strcmp(*argv, "-in") == 0) {
 261             if (--argc < 1)
 262                 goto bad;
 263             infile = *(++argv);
 264         } else if (strcmp(*argv, "-out") == 0) {
 265             if (--argc < 1)
 266                 goto bad;
 267             outfile = *(++argv);
 268         } else if (strcmp(*argv, "-keyout") == 0) {
 269             if (--argc < 1)
 270                 goto bad;
 271             keyout = *(++argv);
 272         } else if (strcmp(*argv, "-passin") == 0) {
 273             if (--argc < 1)
 274                 goto bad;
 275             passargin = *(++argv);
 276         } else if (strcmp(*argv, "-passout") == 0) {
 277             if (--argc < 1)
 278                 goto bad;
 279             passargout = *(++argv);
 280         } else if (strcmp(*argv, "-rand") == 0) {
 281             if (--argc < 1)
 282                 goto bad;
 283             inrand = *(++argv);
 284         } else if (strcmp(*argv, "-newkey") == 0) {
 285             int is_numeric;
 286
 287             if (--argc < 1)
 288                 goto bad;
 289             p = *(++argv);
 290             is_numeric = p[0] >= '0' && p[0] <= '9';
 291             if (strncmp("rsa:", p, 4) == 0 || is_numeric) {
 292                 pkey_type = TYPE_RSA;
 293                 if (!is_numeric)
 294                     p += 4;
 295                 newkey = atoi(p);
 296             } else
 297 #ifndef OPENSSL_NO_DSA
 298             if (strncmp("dsa:", p, 4) == 0) {
 299                 X509 *xtmp = NULL;
 300                 EVP_PKEY *dtmp;
 301
 302                 pkey_type = TYPE_DSA;
 303                 p += 4;
 304                 if ((in = BIO_new_file(p, "r")) == NULL) {
 305                     perror(p);
 306                     goto end;
 307                 }
 308                 if ((dsa_params =
 309                      PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
 310                     ERR_clear_error();
 311                     (void)BIO_reset(in);
 312                     if ((xtmp =
 313                          PEM_read_bio_X509(in, NULL, NULL, NULL)) == NULL) {
 314                         BIO_printf(bio_err,
 315                                    "unable to load DSA parameters from file\n");
 316                         goto end;
 317                     }
 318
 319                     if ((dtmp = X509_get_pubkey(xtmp)) == NULL)
 320                         goto end;
 321                     if (dtmp->type == EVP_PKEY_DSA)
 322                         dsa_params = DSAparams_dup(dtmp->pkey.dsa);
 323                     EVP_PKEY_free(dtmp);
 324                     X509_free(xtmp);
 325                     if (dsa_params == NULL) {
 326                         BIO_printf(bio_err,
 327                                    "Certificate does not contain DSA parameters\n");
 328                         goto end;
 329                     }
 330                 }
 331                 BIO_free(in);
 332                 in = NULL;
 333                 newkey = BN_num_bits(dsa_params->p);
 334             } else
 335 #endif
 336 #ifndef OPENSSL_NO_ECDSA
 337             if (strncmp("ec:", p, 3) == 0) {
 338                 X509 *xtmp = NULL;
 339                 EVP_PKEY *dtmp;
 340                 EC_GROUP *group;
 341
 342                 pkey_type = TYPE_EC;
 343                 p += 3;
 344                 if ((in = BIO_new_file(p, "r")) == NULL) {
 345                     perror(p);
 346                     goto end;
 347                 }
 348                 if ((ec_params = EC_KEY_new()) == NULL)
 349                     goto end;
 350                 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
 351                 if (group == NULL) {
 352                     EC_KEY_free(ec_params);
 353                     ERR_clear_error();
 354                     (void)BIO_reset(in);
 355                     if ((xtmp =
 356                          PEM_read_bio_X509(in, NULL, NULL, NULL)) == NULL) {
 357                         BIO_printf(bio_err,
 358                                    "unable to load EC parameters from file\n");
 359                         goto end;
 360                     }
 361
 362                     if ((dtmp = X509_get_pubkey(xtmp)) == NULL)
 363                         goto end;
 364                     if (dtmp->type == EVP_PKEY_EC)
 365                         ec_params = EC_KEY_dup(dtmp->pkey.ec);
 366                     EVP_PKEY_free(dtmp);
 367                     X509_free(xtmp);
 368                     if (ec_params == NULL) {
 369                         BIO_printf(bio_err,
 370                                    "Certificate does not contain EC parameters\n");
 371                         goto end;
 372                     }
 373                 } else {
 374                     if (EC_KEY_set_group(ec_params, group) == 0)
 375                         goto end;
 376                     EC_GROUP_free(group);
 377                 }
 378
 379                 BIO_free(in);
 380                 in = NULL;
 381                 newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));
 382             } else
 383 #endif
 384 #ifndef OPENSSL_NO_DH
 385             if (strncmp("dh:", p, 4) == 0) {
 386                 pkey_type = TYPE_DH;
 387                 p += 3;
 388             } else
 389 #endif
 390             {
 391                 goto bad;
 392             }
 393
 394             newreq = 1;
 395         } else if (strcmp(*argv, "-batch") == 0)
 396             batch = 1;
 397         else if (strcmp(*argv, "-newhdr") == 0)
 398             newhdr = 1;
 399         else if (strcmp(*argv, "-modulus") == 0)
 400             modulus = 1;
 401         else if (strcmp(*argv, "-verify") == 0)
 402             verify = 1;
 403         else if (strcmp(*argv, "-nodes") == 0)
 404             nodes = 1;
 405         else if (strcmp(*argv, "-noout") == 0)
 406             noout = 1;
 407         else if (strcmp(*argv, "-verbose") == 0)
 408             verbose = 1;
 409         else if (strcmp(*argv, "-utf8") == 0)
 410             chtype = MBSTRING_UTF8;
 411         else if (strcmp(*argv, "-nameopt") == 0) {
 412             if (--argc < 1)
 413                 goto bad;
 414             if (!set_name_ex(&nmflag, *(++argv)))
 415                 goto bad;
 416         } else if (strcmp(*argv, "-reqopt") == 0) {
 417             if (--argc < 1)
 418                 goto bad;
 419             if (!set_cert_ex(&reqflag, *(++argv)))
 420                 goto bad;
 421         } else if (strcmp(*argv, "-subject") == 0)
 422             subject = 1;
 423         else if (strcmp(*argv, "-text") == 0)
 424             text = 1;
 425         else if (strcmp(*argv, "-x509") == 0)
 426             x509 = 1;
 427         else if (strcmp(*argv, "-asn1-kludge") == 0)
 428             kludge = 1;
 429         else if (strcmp(*argv, "-no-asn1-kludge") == 0)
 430             kludge = 0;
 431         else if (strcmp(*argv, "-subj") == 0) {
 432             if (--argc < 1)
 433                 goto bad;
 434             subj = *(++argv);
 435         } else if (strcmp(*argv, "-multivalue-rdn") == 0)
 436             multirdn = 1;
 437         else if (strcmp(*argv, "-days") == 0) {
 438             if (--argc < 1)
 439                 goto bad;
 440             days = atoi(*(++argv));
 441             if (days == 0)
 442                 days = 30;
 443         } else if (strcmp(*argv, "-set_serial") == 0) {
 444             if (--argc < 1)
 445                 goto bad;
 446             serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 447             if (!serial)
 448                 goto bad;
 449         } else if ((md_alg = EVP_get_digestbyname(&((*argv)[1]))) != NULL) {
 450             /* ok */
 451             digest = md_alg;
 452         } else if (strcmp(*argv, "-extensions") == 0) {
 453             if (--argc < 1)
 454                 goto bad;
 455             extensions = *(++argv);
 456         } else if (strcmp(*argv, "-reqexts") == 0) {
 457             if (--argc < 1)
 458                 goto bad;
 459             req_exts = *(++argv);
 460         } else {
 461             BIO_printf(bio_err, "unknown option %s\n", *argv);
 462             badops = 1;
 463             break;
 464         }
 465         argc--;
 466         argv++;
 467     }
 468
 469     if (badops) {
 470  bad:
 471         BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
 472         BIO_printf(bio_err, "where options  are\n");
 473         BIO_printf(bio_err, " -inform arg    input format - DER or PEM\n");
 474         BIO_printf(bio_err, " -outform arg   output format - DER or PEM\n");
 475         BIO_printf(bio_err, " -in arg        input file\n");
 476         BIO_printf(bio_err, " -out arg       output file\n");
 477         BIO_printf(bio_err, " -text          text form of request\n");
 478         BIO_printf(bio_err, " -pubkey        output public key\n");
 479         BIO_printf(bio_err, " -noout         do not output REQ\n");
 480         BIO_printf(bio_err, " -verify        verify signature on REQ\n");
 481         BIO_printf(bio_err, " -modulus       RSA modulus\n");
 482         BIO_printf(bio_err, " -nodes         don't encrypt the output key\n");
 483 #ifndef OPENSSL_NO_ENGINE
 484         BIO_printf(bio_err,
 485                    " -engine e      use engine e, possibly a hardware device\n");
 486 #endif
 487         BIO_printf(bio_err, " -subject       output the request's subject\n");
 488         BIO_printf(bio_err, " -passin        private key password source\n");
 489         BIO_printf(bio_err,
 490                    " -key file      use the private key contained in file\n");
 491         BIO_printf(bio_err, " -keyform arg   key file format\n");
 492         BIO_printf(bio_err, " -keyout arg    file to send the key to\n");
 493         BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
 494                    LIST_SEPARATOR_CHAR);
 495         BIO_printf(bio_err,
 496                    "                load the file (or the files in the directory) into\n");
 497         BIO_printf(bio_err, "                the random number generator\n");
 498         BIO_printf(bio_err,
 499                    " -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 500         BIO_printf(bio_err,
 501                    " -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 502 #ifndef OPENSSL_NO_ECDSA
 503         BIO_printf(bio_err,
 504                    " -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 505 #endif
 506         BIO_printf(bio_err,
 507                    " -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 508         BIO_printf(bio_err, " -config file   request template file.\n");
 509         BIO_printf(bio_err,
 510                    " -subj arg      set or modify request subject\n");
 511         BIO_printf(bio_err,
 512                    " -multivalue-rdn enable support for multivalued RDNs\n");
 513         BIO_printf(bio_err, " -new           new request.\n");
 514         BIO_printf(bio_err,
 515                    " -batch         do not ask anything during request generation\n");
 516         BIO_printf(bio_err,
 517                    " -x509          output a x509 structure instead of a cert. req.\n");
 518         BIO_printf(bio_err,
 519                    " -days          number of days a certificate generated by -x509 is valid for.\n");
 520         BIO_printf(bio_err,
 521                    " -set_serial    serial number to use for a certificate generated by -x509.\n");
 522         BIO_printf(bio_err,
 523                    " -newhdr        output \"NEW\" in the header lines\n");
 524         BIO_printf(bio_err,
 525                    " -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 526         BIO_printf(bio_err,
 527                    "                have been reported as requiring\n");
 528         BIO_printf(bio_err,
 529                    " -extensions .. specify certificate extension section (override value in config file)\n");
 530         BIO_printf(bio_err,
 531                    " -reqexts ..    specify request extension section (override value in config file)\n");
 532         BIO_printf(bio_err,
 533                    " -utf8          input characters are UTF8 (default ASCII)\n");
 534         BIO_printf(bio_err,
 535                    " -nameopt arg    - various certificate name options\n");
 536         BIO_printf(bio_err,
 537                    " -reqopt arg    - various request text options\n\n");
 538         goto end;
 539     }
 540
 541     ERR_load_crypto_strings();
 542     if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 543         BIO_printf(bio_err, "Error getting passwords\n");
 544         goto end;
 545     }
 546 #ifndef MONOLITH                /* else this has happened in openssl.c
 547                                  * (global `config') */
 548     /* Lets load up our environment a little */
 549     p = getenv("OPENSSL_CONF");
 550     if (p == NULL)
 551         p = getenv("SSLEAY_CONF");
 552     if (p == NULL)
 553         p = to_free = make_config_name();
 554     default_config_file = p;
 555     config = NCONF_new(NULL);
 556     i = NCONF_load(config, p, &errline);
 557 #endif
 558
 559     if (template != NULL) {
 560         long errline = -1;
 561
 562         if (verbose)
 563             BIO_printf(bio_err, "Using configuration from %s\n", template);
 564         req_conf = NCONF_new(NULL);
 565         i = NCONF_load(req_conf, template, &errline);
 566         if (i == 0) {
 567             BIO_printf(bio_err, "error on line %ld of %s\n", errline,
 568                        template);
 569             goto end;
 570         }
 571     } else {
 572         req_conf = config;
 573
 574         if (req_conf == NULL) {
 575             BIO_printf(bio_err, "Unable to load config info from %s\n",
 576                        default_config_file);
 577             if (newreq)
 578                 goto end;
 579         } else if (verbose)
 580             BIO_printf(bio_err, "Using configuration from %s\n",
 581                        default_config_file);
 582     }
 583
 584     if (req_conf != NULL) {
 585         if (!load_config(bio_err, req_conf))
 586             goto end;
 587         p = NCONF_get_string(req_conf, NULL, "oid_file");
 588         if (p == NULL)
 589             ERR_clear_error();
 590         if (p != NULL) {
 591             BIO *oid_bio;
 592
 593             oid_bio = BIO_new_file(p, "r");
 594             if (oid_bio == NULL) {
 595                                 /*-
 596                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 597                                 ERR_print_errors(bio_err);
 598                                 */
 599             } else {
 600                 OBJ_create_objects(oid_bio);
 601                 BIO_free(oid_bio);
 602             }
 603         }
 604     }
 605     if (!add_oid_section(bio_err, req_conf))
 606         goto end;
 607
 608     if (md_alg == NULL) {
 609         p = NCONF_get_string(req_conf, SECTION, "default_md");
 610         if (p == NULL)
 611             ERR_clear_error();
 612         if (p != NULL) {
 613             if ((md_alg = EVP_get_digestbyname(p)) != NULL)
 614                 digest = md_alg;
 615         }
 616     }
 617
 618     if (!extensions) {
 619         extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 620         if (!extensions)
 621             ERR_clear_error();
 622     }
 623     if (extensions) {
 624         /* Check syntax of file */
 625         X509V3_CTX ctx;
 626         X509V3_set_ctx_test(&ctx);
 627         X509V3_set_nconf(&ctx, req_conf);
 628         if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 629             BIO_printf(bio_err,
 630                        "Error Loading extension section %s\n", extensions);
 631             goto end;
 632         }
 633     }
 634
 635     if (!passin) {
 636         passin = NCONF_get_string(req_conf, SECTION, "input_password");
 637         if (!passin)
 638             ERR_clear_error();
 639     }
 640
 641     if (!passout) {
 642         passout = NCONF_get_string(req_conf, SECTION, "output_password");
 643         if (!passout)
 644             ERR_clear_error();
 645     }
 646
 647     p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 648     if (!p)
 649         ERR_clear_error();
 650
 651     if (p && !ASN1_STRING_set_default_mask_asc(p)) {
 652         BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 653         goto end;
 654     }
 655
 656     if (chtype != MBSTRING_UTF8) {
 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     if (!req_exts) {
 665         req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 666         if (!req_exts)
 667             ERR_clear_error();
 668     }
 669     if (req_exts) {
 670         /* Check syntax of file */
 671         X509V3_CTX ctx;
 672         X509V3_set_ctx_test(&ctx);
 673         X509V3_set_nconf(&ctx, req_conf);
 674         if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 675             BIO_printf(bio_err,
 676                        "Error Loading request extension section %s\n",
 677                        req_exts);
 678             goto end;
 679         }
 680     }
 681
 682     in = BIO_new(BIO_s_file());
 683     out = BIO_new(BIO_s_file());
 684     if ((in == NULL) || (out == NULL))
 685         goto end;
 686
 687 #ifndef OPENSSL_NO_ENGINE
 688     e = setup_engine(bio_err, engine, 0);
 689 #endif
 690
 691     if (keyfile != NULL) {
 692         pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 693                         "Private Key");
 694         if (!pkey) {
 695             /*
 696              * load_key() has already printed an appropriate message
 697              */
 698             goto end;
 699         } else {
 700             char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
 701             if (randfile == NULL)
 702                 ERR_clear_error();
 703             app_RAND_load_file(randfile, bio_err, 0);
 704         }
 705     }
 706
 707     if (newreq && (pkey == NULL)) {
 708 #ifndef OPENSSL_NO_RSA
 709         BN_GENCB cb;
 710 #endif
 711         char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
 712         if (randfile == NULL)
 713             ERR_clear_error();
 714         app_RAND_load_file(randfile, bio_err, 0);
 715         if (inrand)
 716             app_RAND_load_files(inrand);
 717
 718         if (newkey <= 0) {
 719             if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey))
 720                 newkey = DEFAULT_KEY_LENGTH;
 721         }
 722
 723         if (newkey < MIN_KEY_LENGTH
 724             && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA)) {
 725             BIO_printf(bio_err, "private key length is too short,\n");
 726             BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
 727                        MIN_KEY_LENGTH, newkey);
 728             goto end;
 729         }
 730         BIO_printf(bio_err, "Generating a %ld bit %s private key\n",
 731                    newkey, (pkey_type == TYPE_RSA) ? "RSA" :
 732                    (pkey_type == TYPE_DSA) ? "DSA" : "EC");
 733
 734         if ((pkey = EVP_PKEY_new()) == NULL)
 735             goto end;
 736
 737 #ifndef OPENSSL_NO_RSA
 738         BN_GENCB_set(&cb, req_cb, bio_err);
 739         if (pkey_type == TYPE_RSA) {
 740             RSA *rsa = RSA_new();
 741             BIGNUM *bn = BN_new();
 742             if (!bn || !rsa || !BN_set_word(bn, 0x10001) ||
 743                 !RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
 744                 !EVP_PKEY_assign_RSA(pkey, rsa)) {
 745                 if (bn)
 746                     BN_free(bn);
 747                 if (rsa)
 748                     RSA_free(rsa);
 749                 goto end;
 750             }
 751             BN_free(bn);
 752         } else
 753 #endif
 754 #ifndef OPENSSL_NO_DSA
 755         if (pkey_type == TYPE_DSA) {
 756             if (!DSA_generate_key(dsa_params))
 757                 goto end;
 758             if (!EVP_PKEY_assign_DSA(pkey, dsa_params))
 759                 goto end;
 760             dsa_params = NULL;
 761         }
 762 #endif
 763 #ifndef OPENSSL_NO_ECDSA
 764         if (pkey_type == TYPE_EC) {
 765             if (!EC_KEY_generate_key(ec_params))
 766                 goto end;
 767             if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 768                 goto end;
 769             ec_params = NULL;
 770         }
 771 #endif
 772
 773         app_RAND_write_file(randfile, bio_err);
 774
 775         if (pkey == NULL)
 776             goto end;
 777
 778         if (keyout == NULL) {
 779             keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
 780             if (keyout == NULL)
 781                 ERR_clear_error();
 782         }
 783
 784         if (keyout == NULL) {
 785             BIO_printf(bio_err, "writing new private key to stdout\n");
 786             BIO_set_fp(out, stdout, BIO_NOCLOSE);
 787 #ifdef OPENSSL_SYS_VMS
 788             {
 789                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 790                 out = BIO_push(tmpbio, out);
 791             }
 792 #endif
 793         } else {
 794             BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
 795             if (BIO_write_filename(out, keyout) <= 0) {
 796                 perror(keyout);
 797                 goto end;
 798             }
 799         }
 800
 801         p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
 802         if (p == NULL) {
 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)
 811             cipher = NULL;
 812
 813         i = 0;
 814  loop:
 815         if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
 816                                       NULL, 0, NULL, passout)) {
 817             if ((ERR_GET_REASON(ERR_peek_error()) ==
 818                  PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
 819                 ERR_clear_error();
 820                 i++;
 821                 goto loop;
 822             }
 823             goto end;
 824         }
 825         BIO_printf(bio_err, "-----\n");
 826     }
 827
 828     if (!newreq) {
 829         /*
 830          * Since we are using a pre-existing certificate request, the kludge
 831          * 'format' info should not be changed.
 832          */
 833         kludge = -1;
 834         if (infile == NULL)
 835             BIO_set_fp(in, stdin, BIO_NOCLOSE);
 836         else {
 837             if (BIO_read_filename(in, infile) <= 0) {
 838                 perror(infile);
 839                 goto end;
 840             }
 841         }
 842
 843         if (informat == FORMAT_ASN1)
 844             req = d2i_X509_REQ_bio(in, NULL);
 845         else if (informat == FORMAT_PEM)
 846             req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
 847         else {
 848             BIO_printf(bio_err,
 849                        "bad input format specified for X509 request\n");
 850             goto end;
 851         }
 852         if (req == NULL) {
 853             BIO_printf(bio_err, "unable to load X509 request\n");
 854             goto end;
 855         }
 856     }
 857
 858     if (newreq || x509) {
 859         if (pkey == NULL) {
 860             BIO_printf(bio_err, "you need to specify a private key\n");
 861             goto end;
 862         }
 863 #ifndef OPENSSL_NO_DSA
 864         if (pkey->type == EVP_PKEY_DSA)
 865             digest = EVP_dss1();
 866 #endif
 867 #ifndef OPENSSL_NO_ECDSA
 868         if (pkey->type == EVP_PKEY_EC)
 869             digest = EVP_ecdsa();
 870 #endif
 871         if (req == NULL) {
 872             req = X509_REQ_new();
 873             if (req == NULL) {
 874                 goto end;
 875             }
 876
 877             i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
 878             subj = NULL;        /* done processing '-subj' option */
 879             if ((kludge > 0)
 880                 && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) {
 881                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 882                 req->req_info->attributes = NULL;
 883             }
 884             if (!i) {
 885                 BIO_printf(bio_err, "problems making Certificate Request\n");
 886                 goto end;
 887             }
 888         }
 889         if (x509) {
 890             EVP_PKEY *tmppkey;
 891             X509V3_CTX ext_ctx;
 892             if ((x509ss = X509_new()) == NULL)
 893                 goto end;
 894
 895             /* Set version to V3 */
 896             if (extensions && !X509_set_version(x509ss, 2))
 897                 goto end;
 898             if (serial) {
 899                 if (!X509_set_serialNumber(x509ss, serial))
 900                     goto end;
 901             } else {
 902                 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
 903                     goto end;
 904             }
 905
 906             if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
 907                 goto end;
 908             if (!X509_gmtime_adj(X509_get_notBefore(x509ss), 0))
 909                 goto end;
 910             if (!X509_gmtime_adj
 911                 (X509_get_notAfter(x509ss), (long)60 * 60 * 24 * days))
 912                 goto end;
 913             if (!X509_set_subject_name
 914                 (x509ss, X509_REQ_get_subject_name(req)))
 915                 goto end;
 916             tmppkey = X509_REQ_get_pubkey(req);
 917             if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
 918                 goto end;
 919             EVP_PKEY_free(tmppkey);
 920
 921             /* Set up V3 context struct */
 922
 923             X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 924             X509V3_set_nconf(&ext_ctx, req_conf);
 925
 926             /* Add extensions */
 927             if (extensions && !X509V3_EXT_add_nconf(req_conf,
 928                                                     &ext_ctx, extensions,
 929                                                     x509ss)) {
 930                 BIO_printf(bio_err, "Error Loading extension section %s\n",
 931                            extensions);
 932                 goto end;
 933             }
 934
 935             if (!(i = X509_sign(x509ss, pkey, digest)))
 936                 goto end;
 937         } else {
 938             X509V3_CTX ext_ctx;
 939
 940             /* Set up V3 context struct */
 941
 942             X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 943             X509V3_set_nconf(&ext_ctx, req_conf);
 944
 945             /* Add extensions */
 946             if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 947                                                       &ext_ctx, req_exts,
 948                                                       req)) {
 949                 BIO_printf(bio_err, "Error Loading extension section %s\n",
 950                            req_exts);
 951                 goto end;
 952             }
 953             if (!(i = X509_REQ_sign(req, pkey, digest)))
 954                 goto end;
 955         }
 956     }
 957
 958     if (subj && x509) {
 959         BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 960         goto end;
 961     }
 962
 963     if (subj && !x509) {
 964         if (verbose) {
 965             BIO_printf(bio_err, "Modifying Request's Subject\n");
 966             print_name(bio_err, "old subject=",
 967                        X509_REQ_get_subject_name(req), nmflag);
 968         }
 969
 970         if (build_subject(req, subj, chtype, multirdn) == 0) {
 971             BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 972             ex = 1;
 973             goto end;
 974         }
 975
 976         req->req_info->enc.modified = 1;
 977
 978         if (verbose) {
 979             print_name(bio_err, "new subject=",
 980                        X509_REQ_get_subject_name(req), nmflag);
 981         }
 982     }
 983
 984     if (verify && !x509) {
 985         int tmp = 0;
 986
 987         if (pkey == NULL) {
 988             pkey = X509_REQ_get_pubkey(req);
 989             tmp = 1;
 990             if (pkey == NULL)
 991                 goto end;
 992         }
 993
 994         i = X509_REQ_verify(req, pkey);
 995         if (tmp) {
 996             EVP_PKEY_free(pkey);
 997             pkey = NULL;
 998         }
 999
1000         if (i < 0) {
1001             goto end;
1002         } else if (i == 0) {
1003             BIO_printf(bio_err, "verify failure\n");
1004             ERR_print_errors(bio_err);
1005         } else                  /* if (i > 0) */
1006             BIO_printf(bio_err, "verify OK\n");
1007     }
1008
1009     if (noout && !text && !modulus && !subject && !pubkey) {
1010         ex = 0;
1011         goto end;
1012     }
1013
1014     if (outfile == NULL) {
1015         BIO_set_fp(out, stdout, BIO_NOCLOSE);
1016 #ifdef OPENSSL_SYS_VMS
1017         {
1018             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1019             out = BIO_push(tmpbio, out);
1020         }
1021 #endif
1022     } else {
1023         if ((keyout != NULL) && (strcmp(outfile, keyout) == 0))
1024             i = (int)BIO_append_filename(out, outfile);
1025         else
1026             i = (int)BIO_write_filename(out, outfile);
1027         if (!i) {
1028             perror(outfile);
1029             goto end;
1030         }
1031     }
1032
1033     if (pubkey) {
1034         EVP_PKEY *tpubkey;
1035         tpubkey = X509_REQ_get_pubkey(req);
1036         if (tpubkey == NULL) {
1037             BIO_printf(bio_err, "Error getting public key\n");
1038             ERR_print_errors(bio_err);
1039             goto end;
1040         }
1041         PEM_write_bio_PUBKEY(out, tpubkey);
1042         EVP_PKEY_free(tpubkey);
1043     }
1044
1045     if (text) {
1046         if (x509)
1047             X509_print_ex(out, x509ss, nmflag, reqflag);
1048         else
1049             X509_REQ_print_ex(out, req, nmflag, reqflag);
1050     }
1051
1052     if (subject) {
1053         if (x509)
1054             print_name(out, "subject=", X509_get_subject_name(x509ss),
1055                        nmflag);
1056         else
1057             print_name(out, "subject=", X509_REQ_get_subject_name(req),
1058                        nmflag);
1059     }
1060
1061     if (modulus) {
1062         EVP_PKEY *tpubkey;
1063
1064         if (x509)
1065             tpubkey = X509_get_pubkey(x509ss);
1066         else
1067             tpubkey = X509_REQ_get_pubkey(req);
1068         if (tpubkey == NULL) {
1069             fprintf(stdout, "Modulus=unavailable\n");
1070             goto end;
1071         }
1072         fprintf(stdout, "Modulus=");
1073 #ifndef OPENSSL_NO_RSA
1074         if (tpubkey->type == EVP_PKEY_RSA)
1075             BN_print(out, tpubkey->pkey.rsa->n);
1076         else
1077 #endif
1078             fprintf(stdout, "Wrong Algorithm type");
1079         EVP_PKEY_free(tpubkey);
1080         fprintf(stdout, "\n");
1081     }
1082
1083     if (!noout && !x509) {
1084         if (outformat == FORMAT_ASN1)
1085             i = i2d_X509_REQ_bio(out, req);
1086         else if (outformat == FORMAT_PEM) {
1087             if (newhdr)
1088                 i = PEM_write_bio_X509_REQ_NEW(out, req);
1089             else
1090                 i = PEM_write_bio_X509_REQ(out, req);
1091         } else {
1092             BIO_printf(bio_err, "bad output format specified for outfile\n");
1093             goto end;
1094         }
1095         if (!i) {
1096             BIO_printf(bio_err, "unable to write X509 request\n");
1097             goto end;
1098         }
1099     }
1100     if (!noout && x509 && (x509ss != NULL)) {
1101         if (outformat == FORMAT_ASN1)
1102             i = i2d_X509_bio(out, x509ss);
1103         else if (outformat == FORMAT_PEM)
1104             i = PEM_write_bio_X509(out, x509ss);
1105         else {
1106             BIO_printf(bio_err, "bad output format specified for outfile\n");
1107             goto end;
1108         }
1109         if (!i) {
1110             BIO_printf(bio_err, "unable to write X509 certificate\n");
1111             goto end;
1112         }
1113     }
1114     ex = 0;
1115  end:
1116 #ifndef MONOLITH
1117     if (to_free)
1118         OPENSSL_free(to_free);
1119 #endif
1120     if (ex) {
1121         ERR_print_errors(bio_err);
1122     }
1123     if ((req_conf != NULL) && (req_conf != config))
1124         NCONF_free(req_conf);
1125     BIO_free(in);
1126     BIO_free_all(out);
1127     EVP_PKEY_free(pkey);
1128     X509_REQ_free(req);
1129     X509_free(x509ss);
1130     ASN1_INTEGER_free(serial);
1131     if (passargin && passin)
1132         OPENSSL_free(passin);
1133     if (passargout && passout)
1134         OPENSSL_free(passout);
1135     OBJ_cleanup();
1136 #ifndef OPENSSL_NO_DSA
1137     if (dsa_params != NULL)
1138         DSA_free(dsa_params);
1139 #endif
1140 #ifndef OPENSSL_NO_ECDSA
1141     if (ec_params != NULL)
1142         EC_KEY_free(ec_params);
1143 #endif
1144     apps_shutdown();
1145     OPENSSL_EXIT(ex);
1146 }
1147
1148 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1149                     int attribs, unsigned long chtype)
1150 {
1151     int ret = 0, i;
1152     char no_prompt = 0;
1153     STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1154     char *tmp, *dn_sect, *attr_sect;
1155
1156     tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
1157     if (tmp == NULL)
1158         ERR_clear_error();
1159     if ((tmp != NULL) && !strcmp(tmp, "no"))
1160         no_prompt = 1;
1161
1162     dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
1163     if (dn_sect == NULL) {
1164         BIO_printf(bio_err, "unable to find '%s' in config\n",
1165                    DISTINGUISHED_NAME);
1166         goto err;
1167     }
1168     dn_sk = NCONF_get_section(req_conf, dn_sect);
1169     if (dn_sk == NULL) {
1170         BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1171         goto err;
1172     }
1173
1174     attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
1175     if (attr_sect == NULL) {
1176         ERR_clear_error();
1177         attr_sk = NULL;
1178     } else {
1179         attr_sk = NCONF_get_section(req_conf, attr_sect);
1180         if (attr_sk == NULL) {
1181             BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1182             goto err;
1183         }
1184     }
1185
1186     /* setup version number */
1187     if (!X509_REQ_set_version(req, 0L))
1188         goto err;               /* version 1 */
1189
1190     if (no_prompt)
1191         i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1192     else {
1193         if (subj)
1194             i = build_subject(req, subj, chtype, multirdn);
1195         else
1196             i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1197                             chtype);
1198     }
1199     if (!i)
1200         goto err;
1201
1202     if (!X509_REQ_set_pubkey(req, pkey))
1203         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                          int multirdn)
1216 {
1217     X509_NAME *n;
1218
1219     if (!(n = parse_name(subject, chtype, multirdn)))
1220         return 0;
1221
1222     if (!X509_REQ_set_subject_name(req, n)) {
1223         X509_NAME_free(n);
1224         return 0;
1225     }
1226     X509_NAME_free(n);
1227     return 1;
1228 }
1229
1230 static int prompt_info(X509_REQ *req,
1231                        STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1232                        STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect,
1233                        int attribs, unsigned long chtype)
1234 {
1235     int i;
1236     char *p, *q;
1237     char buf[100];
1238     int nid, mval;
1239     long n_min, n_max;
1240     char *type, *value;
1241     const char *def;
1242     CONF_VALUE *v;
1243     X509_NAME *subj;
1244     subj = X509_REQ_get_subject_name(req);
1245
1246     if (!batch) {
1247         BIO_printf(bio_err,
1248                    "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,
1251                    "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1252         BIO_printf(bio_err,
1253                    "There are quite a few fields but you can leave some blank\n");
1254         BIO_printf(bio_err,
1255                    "For some fields there will be a default value,\n");
1256         BIO_printf(bio_err,
1257                    "If you enter '.', the field will be left blank.\n");
1258         BIO_printf(bio_err, "-----\n");
1259     }
1260
1261     if (sk_CONF_VALUE_num(dn_sk)) {
1262         i = -1;
1263  start:for (;;) {
1264             i++;
1265             if (sk_CONF_VALUE_num(dn_sk) <= i)
1266                 break;
1267
1268             v = sk_CONF_VALUE_value(dn_sk, i);
1269             p = q = NULL;
1270             type = v->name;
1271             if (!check_end(type, "_min") || !check_end(type, "_max") ||
1272                 !check_end(type, "_default") || !check_end(type, "_value"))
1273                 continue;
1274             /*
1275              * Skip past any leading X. X: X, etc to allow for multiple
1276              * instances
1277              */
1278             for (p = v->name; *p; p++)
1279                 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1280                     p++;
1281                     if (*p)
1282                         type = p;
1283                     break;
1284                 }
1285             if (*type == '+') {
1286                 mval = -1;
1287                 type++;
1288             } else
1289                 mval = 0;
1290             /* If OBJ not recognised ignore it */
1291             if ((nid = OBJ_txt2nid(type)) == NID_undef)
1292                 goto start;
1293             if (BIO_snprintf(buf, sizeof buf, "%s_default", v->name)
1294                 >= (int)sizeof(buf)) {
1295                 BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1296                 return 0;
1297             }
1298
1299             if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1300                 ERR_clear_error();
1301                 def = "";
1302             }
1303
1304             BIO_snprintf(buf, sizeof buf, "%s_value", v->name);
1305             if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1306                 ERR_clear_error();
1307                 value = NULL;
1308             }
1309
1310             BIO_snprintf(buf, sizeof buf, "%s_min", v->name);
1311             if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1312                 ERR_clear_error();
1313                 n_min = -1;
1314             }
1315
1316             BIO_snprintf(buf, sizeof buf, "%s_max", v->name);
1317             if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1318                 ERR_clear_error();
1319                 n_max = -1;
1320             }
1321
1322             if (!add_DN_object(subj, v->value, def, value, nid,
1323                                n_min, n_max, chtype, mval))
1324                 return 0;
1325         }
1326         if (X509_NAME_entry_count(subj) == 0) {
1327             BIO_printf(bio_err,
1328                        "error, no objects specified in config file\n");
1329             return 0;
1330         }
1331
1332         if (attribs) {
1333             if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1334                 && (!batch)) {
1335                 BIO_printf(bio_err,
1336                            "\nPlease enter the following 'extra' attributes\n");
1337                 BIO_printf(bio_err,
1338                            "to be sent with your certificate request\n");
1339             }
1340
1341             i = -1;
1342  start2:   for (;;) {
1343                 i++;
1344                 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1345                     break;
1346
1347                 v = sk_CONF_VALUE_value(attr_sk, i);
1348                 type = v->name;
1349                 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1350                     goto start2;
1351
1352                 if (BIO_snprintf(buf, sizeof buf, "%s_default", type)
1353                     >= (int)sizeof(buf)) {
1354                     BIO_printf(bio_err, "Name '%s' too long\n", v->name);
1355                     return 0;
1356                 }
1357
1358                 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1359                     == NULL) {
1360                     ERR_clear_error();
1361                     def = "";
1362                 }
1363
1364                 BIO_snprintf(buf, sizeof buf, "%s_value", type);
1365                 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1366                     == NULL) {
1367                     ERR_clear_error();
1368                     value = NULL;
1369                 }
1370
1371                 BIO_snprintf(buf, sizeof buf, "%s_min", type);
1372                 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1373                     ERR_clear_error();
1374                     n_min = -1;
1375                 }
1376
1377                 BIO_snprintf(buf, sizeof buf, "%s_max", type);
1378                 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1379                     ERR_clear_error();
1380                     n_max = -1;
1381                 }
1382
1383                 if (!add_attribute_object(req,
1384                                           v->value, def, value, nid, n_min,
1385                                           n_max, chtype))
1386                     return 0;
1387             }
1388         }
1389     } else {
1390         BIO_printf(bio_err, "No template, please set one up.\n");
1391         return 0;
1392     }
1393
1394     return 1;
1395
1396 }
1397
1398 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1399                      STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1400                      unsigned long chtype)
1401 {
1402     int i;
1403     char *p, *q;
1404     char *type;
1405     CONF_VALUE *v;
1406     X509_NAME *subj;
1407
1408     subj = X509_REQ_get_subject_name(req);
1409
1410     for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1411         int mval;
1412         v = sk_CONF_VALUE_value(dn_sk, i);
1413         p = q = NULL;
1414         type = v->name;
1415         /*
1416          * Skip past any leading X. X: X, etc to allow for multiple instances
1417          */
1418         for (p = v->name; *p; p++)
1419 #ifndef CHARSET_EBCDIC
1420             if ((*p == ':') || (*p == ',') || (*p == '.')) {
1421 #else
1422             if ((*p == os_toascii[':']) || (*p == os_toascii[','])
1423                 || (*p == os_toascii['.'])) {
1424 #endif
1425                 p++;
1426                 if (*p)
1427                     type = p;
1428                 break;
1429             }
1430 #ifndef CHARSET_EBCDIC
1431         if (*p == '+')
1432 #else
1433         if (*p == os_toascii['+'])
1434 #endif
1435         {
1436             p++;
1437             mval = -1;
1438         } else
1439             mval = 0;
1440         if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1441                                         (unsigned char *)v->value, -1, -1,
1442                                         mval))
1443             return 0;
1444
1445     }
1446
1447     if (!X509_NAME_entry_count(subj)) {
1448         BIO_printf(bio_err, "error, no objects specified in config file\n");
1449         return 0;
1450     }
1451     if (attribs) {
1452         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1453             v = sk_CONF_VALUE_value(attr_sk, i);
1454             if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1455                                            (unsigned char *)v->value, -1))
1456                 return 0;
1457         }
1458     }
1459     return 1;
1460 }
1461
1462 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1463                          char *value, int nid, int n_min, int n_max,
1464                          unsigned long chtype, int mval)
1465 {
1466     int i, ret = 0;
1467     MS_STATIC char buf[1024];
1468  start:
1469     if (!batch)
1470         BIO_printf(bio_err, "%s [%s]:", text, def);
1471     (void)BIO_flush(bio_err);
1472     if (value != NULL) {
1473         BUF_strlcpy(buf, value, sizeof buf);
1474         BUF_strlcat(buf, "\n", sizeof buf);
1475         BIO_printf(bio_err, "%s\n", value);
1476     } else {
1477         buf[0] = '\0';
1478         if (!batch) {
1479             if (!fgets(buf, sizeof buf, stdin))
1480                 return 0;
1481         } else {
1482             buf[0] = '\n';
1483             buf[1] = '\0';
1484         }
1485     }
1486
1487     if (buf[0] == '\0')
1488         return (0);
1489     else if (buf[0] == '\n') {
1490         if ((def == NULL) || (def[0] == '\0'))
1491             return (1);
1492         BUF_strlcpy(buf, def, sizeof buf);
1493         BUF_strlcat(buf, "\n", sizeof buf);
1494     } else if ((buf[0] == '.') && (buf[1] == '\n'))
1495         return (1);
1496
1497     i = strlen(buf);
1498     if (buf[i - 1] != '\n') {
1499         BIO_printf(bio_err, "weird input :-(\n");
1500         return (0);
1501     }
1502     buf[--i] = '\0';
1503 #ifdef CHARSET_EBCDIC
1504     ebcdic2ascii(buf, buf, i);
1505 #endif
1506     if (!req_check_len(i, n_min, n_max)) {
1507         if (batch || value)
1508             return 0;
1509         goto start;
1510     }
1511
1512     if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1513                                     (unsigned char *)buf, -1, -1, mval))
1514         goto err;
1515     ret = 1;
1516  err:
1517     return (ret);
1518 }
1519
1520 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1521                                 char *value, int nid, int n_min,
1522                                 int n_max, unsigned long chtype)
1523 {
1524     int i;
1525     static char buf[1024];
1526
1527  start:
1528     if (!batch)
1529         BIO_printf(bio_err, "%s [%s]:", text, def);
1530     (void)BIO_flush(bio_err);
1531     if (value != NULL) {
1532         BUF_strlcpy(buf, value, sizeof buf);
1533         BUF_strlcat(buf, "\n", sizeof buf);
1534         BIO_printf(bio_err, "%s\n", value);
1535     } else {
1536         buf[0] = '\0';
1537         if (!batch) {
1538             if (!fgets(buf, sizeof buf, stdin))
1539                 return 0;
1540         } else {
1541             buf[0] = '\n';
1542             buf[1] = '\0';
1543         }
1544     }
1545
1546     if (buf[0] == '\0')
1547         return (0);
1548     else if (buf[0] == '\n') {
1549         if ((def == NULL) || (def[0] == '\0'))
1550             return (1);
1551         BUF_strlcpy(buf, def, sizeof buf);
1552         BUF_strlcat(buf, "\n", sizeof buf);
1553     } else if ((buf[0] == '.') && (buf[1] == '\n'))
1554         return (1);
1555
1556     i = strlen(buf);
1557     if (buf[i - 1] != '\n') {
1558         BIO_printf(bio_err, "weird input :-(\n");
1559         return (0);
1560     }
1561     buf[--i] = '\0';
1562 #ifdef CHARSET_EBCDIC
1563     ebcdic2ascii(buf, buf, i);
1564 #endif
1565     if (!req_check_len(i, n_min, n_max)) {
1566         if (batch || value)
1567             return 0;
1568         goto start;
1569     }
1570
1571     if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1572                                    (unsigned char *)buf, -1)) {
1573         BIO_printf(bio_err, "Error adding attribute\n");
1574         ERR_print_errors(bio_err);
1575         goto err;
1576     }
1577
1578     return (1);
1579  err:
1580     return (0);
1581 }
1582
1583 #ifndef OPENSSL_NO_RSA
1584 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1585 {
1586     char c = '*';
1587
1588     if (p == 0)
1589         c = '.';
1590     if (p == 1)
1591         c = '+';
1592     if (p == 2)
1593         c = '*';
1594     if (p == 3)
1595         c = '\n';
1596     BIO_write(cb->arg, &c, 1);
1597     (void)BIO_flush(cb->arg);
1598 # ifdef LINT
1599     p = n;
1600 # endif
1601     return 1;
1602 }
1603 #endif
1604
1605 static int req_check_len(int len, int n_min, int n_max)
1606 {
1607     if ((n_min > 0) && (len < n_min)) {
1608         BIO_printf(bio_err,
1609                    "string is too short, it needs to be at least %d bytes long\n",
1610                    n_min);
1611         return (0);
1612     }
1613     if ((n_max >= 0) && (len > n_max)) {
1614         BIO_printf(bio_err,
1615                    "string is too long, it needs to be less than  %d bytes long\n",
1616                    n_max);
1617         return (0);
1618     }
1619     return (1);
1620 }
1621
1622 /* Check if the end of a string matches 'end' */
1623 static int check_end(const char *str, const char *end)
1624 {
1625     int elen, slen;
1626     const char *tmp;
1627     elen = strlen(end);
1628     slen = strlen(str);
1629     if (elen > slen)
1630         return 1;
1631     tmp = str + slen - elen;
1632     return strcmp(tmp, end);
1633 }