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 mutlirdn,
 123                 int attribs,unsigned long chtype);
 124 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 125                 int multirdn);
 126 static int prompt_info(X509_REQ *req,
 127                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 128                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 129                 unsigned long chtype);
 130 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 131                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 132                                 unsigned long chtype);
 133 static int add_attribute_object(X509_REQ *req, char *text,
 134                                 char *def, char *value, int nid, int n_min,
 135                                 int n_max, unsigned long chtype);
 136 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 137         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 138 #ifndef OPENSSL_NO_RSA
 139 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
 140 #endif
 141 static int req_check_len(int len,int n_min,int n_max);
 142 static int check_end(char *str, char *end);
 143 #ifndef MONOLITH
 144 static char *default_config_file=NULL;
 145 #endif
 146 static CONF *req_conf=NULL;
 147 static int batch=0;
 148
 149 #define TYPE_RSA        1
 150 #define TYPE_DSA        2
 151 #define TYPE_DH         3
 152 #define TYPE_EC         4
 153
 154 int MAIN(int, char **);
 155
 156 int MAIN(int argc, char **argv)
 157         {
 158         ENGINE *e = NULL;
 159 #ifndef OPENSSL_NO_DSA
 160         DSA *dsa_params=NULL;
 161 #endif
 162 #ifndef OPENSSL_NO_ECDSA
 163         EC_KEY *ec_params = NULL;
 164 #endif
 165         unsigned long nmflag = 0, reqflag = 0;
 166         int ex=1,x509=0,days=30;
 167         X509 *x509ss=NULL;
 168         X509_REQ *req=NULL;
 169         EVP_PKEY *pkey=NULL;
 170         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 171         long newkey = -1;
 172         BIO *in=NULL,*out=NULL;
 173         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 174         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 175         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 176 #ifndef OPENSSL_NO_ENGINE
 177         char *engine=NULL;
 178 #endif
 179         char *extensions = NULL;
 180         char *req_exts = NULL;
 181         const EVP_CIPHER *cipher=NULL;
 182         ASN1_INTEGER *serial = NULL;
 183         int modulus=0;
 184         char *inrand=NULL;
 185         char *passargin = NULL, *passargout = NULL;
 186         char *passin = NULL, *passout = NULL;
 187         char *p;
 188         char *subj = NULL;
 189         int multirdn = 0;
 190         const EVP_MD *md_alg=NULL,*digest=EVP_sha1();
 191         unsigned long chtype = MBSTRING_ASC;
 192 #ifndef MONOLITH
 193         char *to_free;
 194         long errline;
 195 #endif
 196
 197         req_conf = NULL;
 198 #ifndef OPENSSL_NO_DES
 199         cipher=EVP_des_ede3_cbc();
 200 #endif
 201         apps_startup();
 202
 203         if (bio_err == NULL)
 204                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 205                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 206
 207         infile=NULL;
 208         outfile=NULL;
 209         informat=FORMAT_PEM;
 210         outformat=FORMAT_PEM;
 211
 212         prog=argv[0];
 213         argc--;
 214         argv++;
 215         while (argc >= 1)
 216                 {
 217                 if      (strcmp(*argv,"-inform") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         informat=str2fmt(*(++argv));
 221                         }
 222                 else if (strcmp(*argv,"-outform") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         outformat=str2fmt(*(++argv));
 226                         }
 227 #ifndef OPENSSL_NO_ENGINE
 228                 else if (strcmp(*argv,"-engine") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         engine= *(++argv);
 232                         }
 233 #endif
 234                 else if (strcmp(*argv,"-key") == 0)
 235                         {
 236                         if (--argc < 1) goto bad;
 237                         keyfile= *(++argv);
 238                         }
 239                 else if (strcmp(*argv,"-pubkey") == 0)
 240                         {
 241                         pubkey=1;
 242                         }
 243                 else if (strcmp(*argv,"-new") == 0)
 244                         {
 245                         newreq=1;
 246                         }
 247                 else if (strcmp(*argv,"-config") == 0)
 248                         {
 249                         if (--argc < 1) goto bad;
 250                         template= *(++argv);
 251                         }
 252                 else if (strcmp(*argv,"-keyform") == 0)
 253                         {
 254                         if (--argc < 1) goto bad;
 255                         keyform=str2fmt(*(++argv));
 256                         }
 257                 else if (strcmp(*argv,"-in") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         infile= *(++argv);
 261                         }
 262                 else if (strcmp(*argv,"-out") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         outfile= *(++argv);
 266                         }
 267                 else if (strcmp(*argv,"-keyout") == 0)
 268                         {
 269                         if (--argc < 1) goto bad;
 270                         keyout= *(++argv);
 271                         }
 272                 else if (strcmp(*argv,"-passin") == 0)
 273                         {
 274                         if (--argc < 1) goto bad;
 275                         passargin= *(++argv);
 276                         }
 277                 else if (strcmp(*argv,"-passout") == 0)
 278                         {
 279                         if (--argc < 1) goto bad;
 280                         passargout= *(++argv);
 281                         }
 282                 else if (strcmp(*argv,"-rand") == 0)
 283                         {
 284                         if (--argc < 1) goto bad;
 285                         inrand= *(++argv);
 286                         }
 287                 else if (strcmp(*argv,"-newkey") == 0)
 288                         {
 289                         int is_numeric;
 290
 291                         if (--argc < 1) goto bad;
 292                         p= *(++argv);
 293                         is_numeric = p[0] >= '0' && p[0] <= '9';
 294                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 295                                 {
 296                                 pkey_type=TYPE_RSA;
 297                                 if(!is_numeric)
 298                                     p+=4;
 299                                 newkey= atoi(p);
 300                                 }
 301                         else
 302 #ifndef OPENSSL_NO_DSA
 303                                 if (strncmp("dsa:",p,4) == 0)
 304                                 {
 305                                 X509 *xtmp=NULL;
 306                                 EVP_PKEY *dtmp;
 307
 308                                 pkey_type=TYPE_DSA;
 309                                 p+=4;
 310                                 if ((in=BIO_new_file(p,"r")) == NULL)
 311                                         {
 312                                         perror(p);
 313                                         goto end;
 314                                         }
 315                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 316                                         {
 317                                         ERR_clear_error();
 318                                         (void)BIO_reset(in);
 319                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 320                                                 {
 321                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 322                                                 goto end;
 323                                                 }
 324
 325                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 326                                         if (dtmp->type == EVP_PKEY_DSA)
 327                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 328                                         EVP_PKEY_free(dtmp);
 329                                         X509_free(xtmp);
 330                                         if (dsa_params == NULL)
 331                                                 {
 332                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 333                                                 goto end;
 334                                                 }
 335                                         }
 336                                 BIO_free(in);
 337                                 in=NULL;
 338                                 newkey=BN_num_bits(dsa_params->p);
 339                                 }
 340                         else
 341 #endif
 342 #ifndef OPENSSL_NO_ECDSA
 343                                 if (strncmp("ec:",p,3) == 0)
 344                                 {
 345                                 X509 *xtmp=NULL;
 346                                 EVP_PKEY *dtmp;
 347
 348                                 pkey_type=TYPE_EC;
 349                                 p+=3;
 350                                 if ((in=BIO_new_file(p,"r")) == NULL)
 351                                         {
 352                                         perror(p);
 353                                         goto end;
 354                                         }
 355                                 if ((ec_params = EC_KEY_new()) == NULL)
 356                                         goto end;
 357                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 358                                         {
 359                                         if (ec_params)
 360                                                 EC_KEY_free(ec_params);
 361                                         ERR_clear_error();
 362                                         (void)BIO_reset(in);
 363                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 364                                                 {
 365                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 366                                                 goto end;
 367                                                 }
 368
 369                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 370                                                 goto end;
 371                                         if (dtmp->type == EVP_PKEY_EC)
 372                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 373                                         EVP_PKEY_free(dtmp);
 374                                         X509_free(xtmp);
 375                                         if (ec_params == NULL)
 376                                                 {
 377                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 378                                                 goto end;
 379                                                 }
 380                                         }
 381
 382                                 BIO_free(in);
 383                                 in=NULL;
 384
 385                                 newkey = EC_GROUP_get_degree(ec_params->group);
 386
 387                                 }
 388                         else
 389 #endif
 390 #ifndef OPENSSL_NO_DH
 391                                 if (strncmp("dh:",p,4) == 0)
 392                                 {
 393                                 pkey_type=TYPE_DH;
 394                                 p+=3;
 395                                 }
 396                         else
 397 #endif
 398                                 {
 399                                 goto bad;
 400                                 }
 401
 402                         newreq=1;
 403                         }
 404                 else if (strcmp(*argv,"-batch") == 0)
 405                         batch=1;
 406                 else if (strcmp(*argv,"-newhdr") == 0)
 407                         newhdr=1;
 408                 else if (strcmp(*argv,"-modulus") == 0)
 409                         modulus=1;
 410                 else if (strcmp(*argv,"-verify") == 0)
 411                         verify=1;
 412                 else if (strcmp(*argv,"-nodes") == 0)
 413                         nodes=1;
 414                 else if (strcmp(*argv,"-noout") == 0)
 415                         noout=1;
 416                 else if (strcmp(*argv,"-verbose") == 0)
 417                         verbose=1;
 418                 else if (strcmp(*argv,"-utf8") == 0)
 419                         chtype = MBSTRING_UTF8;
 420                 else if (strcmp(*argv,"-nameopt") == 0)
 421                         {
 422                         if (--argc < 1) goto bad;
 423                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 424                         }
 425                 else if (strcmp(*argv,"-reqopt") == 0)
 426                         {
 427                         if (--argc < 1) goto bad;
 428                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 429                         }
 430                 else if (strcmp(*argv,"-subject") == 0)
 431                         subject=1;
 432                 else if (strcmp(*argv,"-text") == 0)
 433                         text=1;
 434                 else if (strcmp(*argv,"-x509") == 0)
 435                         x509=1;
 436                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 437                         kludge=1;
 438                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 439                         kludge=0;
 440                 else if (strcmp(*argv,"-subj") == 0)
 441                         {
 442                         if (--argc < 1) goto bad;
 443                         subj= *(++argv);
 444                         }
 445                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
 446                         multirdn=1;
 447                 else if (strcmp(*argv,"-days") == 0)
 448                         {
 449                         if (--argc < 1) goto bad;
 450                         days= atoi(*(++argv));
 451                         if (days == 0) days=30;
 452                         }
 453                 else if (strcmp(*argv,"-set_serial") == 0)
 454                         {
 455                         if (--argc < 1) goto bad;
 456                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 457                         if (!serial) goto bad;
 458                         }
 459                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 460                         {
 461                         /* ok */
 462                         digest=md_alg;
 463                         }
 464                 else if (strcmp(*argv,"-extensions") == 0)
 465                         {
 466                         if (--argc < 1) goto bad;
 467                         extensions = *(++argv);
 468                         }
 469                 else if (strcmp(*argv,"-reqexts") == 0)
 470                         {
 471                         if (--argc < 1) goto bad;
 472                         req_exts = *(++argv);
 473                         }
 474                 else
 475                         {
 476                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 477                         badops=1;
 478                         break;
 479                         }
 480                 argc--;
 481                 argv++;
 482                 }
 483
 484         if (badops)
 485                 {
 486 bad:
 487                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 488                 BIO_printf(bio_err,"where options  are\n");
 489                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 490                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 491                 BIO_printf(bio_err," -in arg        input file\n");
 492                 BIO_printf(bio_err," -out arg       output file\n");
 493                 BIO_printf(bio_err," -text          text form of request\n");
 494                 BIO_printf(bio_err," -pubkey        output public key\n");
 495                 BIO_printf(bio_err," -noout         do not output REQ\n");
 496                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 497                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 498                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 499 #ifndef OPENSSL_NO_ENGINE
 500                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 501 #endif
 502                 BIO_printf(bio_err," -subject       output the request's subject\n");
 503                 BIO_printf(bio_err," -passin        private key password source\n");
 504                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 505                 BIO_printf(bio_err," -keyform arg   key file format\n");
 506                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 507                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 508                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 509                 BIO_printf(bio_err,"                the random number generator\n");
 510                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 511                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 512 #ifndef OPENSSL_NO_ECDSA
 513                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 514 #endif
 515                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 516                 BIO_printf(bio_err," -config file   request template file.\n");
 517                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 518                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
 519                 BIO_printf(bio_err," -new           new request.\n");
 520                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 521                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 522                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 523                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 524                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 525                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 526                 BIO_printf(bio_err,"                have been reported as requiring\n");
 527                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 528                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 529                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 530                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 531                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 532                 goto end;
 533                 }
 534
 535         ERR_load_crypto_strings();
 536         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 537                 BIO_printf(bio_err, "Error getting passwords\n");
 538                 goto end;
 539         }
 540
 541 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 542         /* Lets load up our environment a little */
 543         p=getenv("OPENSSL_CONF");
 544         if (p == NULL)
 545                 p=getenv("SSLEAY_CONF");
 546         if (p == NULL)
 547                 p=to_free=make_config_name();
 548         default_config_file=p;
 549         config=NCONF_new(NULL);
 550         i=NCONF_load(config, p, &errline);
 551 #endif
 552
 553         if (template != NULL)
 554                 {
 555                 long errline = -1;
 556
 557                 if( verbose )
 558                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 559                 req_conf=NCONF_new(NULL);
 560                 i=NCONF_load(req_conf,template,&errline);
 561                 if (i == 0)
 562                         {
 563                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 564                         goto end;
 565                         }
 566                 }
 567         else
 568                 {
 569                 req_conf=config;
 570
 571                 if (req_conf == NULL)
 572                         {
 573                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 574                         if (newreq)
 575                                 goto end;
 576                         }
 577                 else if( verbose )
 578                         BIO_printf(bio_err,"Using configuration from %s\n",
 579                         default_config_file);
 580                 }
 581
 582         if (req_conf != NULL)
 583                 {
 584                 if (!load_config(bio_err, req_conf))
 585                         goto end;
 586                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 587                 if (p == NULL)
 588                         ERR_clear_error();
 589                 if (p != NULL)
 590                         {
 591                         BIO *oid_bio;
 592
 593                         oid_bio=BIO_new_file(p,"r");
 594                         if (oid_bio == NULL)
 595                                 {
 596                                 /*
 597                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 598                                 ERR_print_errors(bio_err);
 599                                 */
 600                                 }
 601                         else
 602                                 {
 603                                 OBJ_create_objects(oid_bio);
 604                                 BIO_free(oid_bio);
 605                                 }
 606                         }
 607                 }
 608         if(!add_oid_section(bio_err, req_conf)) goto end;
 609
 610         if (md_alg == NULL)
 611                 {
 612                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 613                 if (p == NULL)
 614                         ERR_clear_error();
 615                 if (p != NULL)
 616                         {
 617                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 618                                 digest=md_alg;
 619                         }
 620                 }
 621
 622         if (!extensions)
 623                 {
 624                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 625                 if (!extensions)
 626                         ERR_clear_error();
 627                 }
 628         if (extensions) {
 629                 /* Check syntax of file */
 630                 X509V3_CTX ctx;
 631                 X509V3_set_ctx_test(&ctx);
 632                 X509V3_set_nconf(&ctx, req_conf);
 633                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 634                         BIO_printf(bio_err,
 635                          "Error Loading extension section %s\n", extensions);
 636                         goto end;
 637                 }
 638         }
 639
 640         if(!passin)
 641                 {
 642                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 643                 if (!passin)
 644                         ERR_clear_error();
 645                 }
 646
 647         if(!passout)
 648                 {
 649                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 650                 if (!passout)
 651                         ERR_clear_error();
 652                 }
 653
 654         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 655         if (!p)
 656                 ERR_clear_error();
 657
 658         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 659                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 660                 goto end;
 661         }
 662
 663         if (chtype != MBSTRING_UTF8)
 664                 {
 665                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 666                 if (!p)
 667                         ERR_clear_error();
 668                 else if (!strcmp(p, "yes"))
 669                         chtype = MBSTRING_UTF8;
 670                 }
 671
 672
 673         if(!req_exts)
 674                 {
 675                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 676                 if (!req_exts)
 677                         ERR_clear_error();
 678                 }
 679         if(req_exts) {
 680                 /* Check syntax of file */
 681                 X509V3_CTX ctx;
 682                 X509V3_set_ctx_test(&ctx);
 683                 X509V3_set_nconf(&ctx, req_conf);
 684                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 685                         BIO_printf(bio_err,
 686                          "Error Loading request extension section %s\n",
 687                                                                 req_exts);
 688                         goto end;
 689                 }
 690         }
 691
 692         in=BIO_new(BIO_s_file());
 693         out=BIO_new(BIO_s_file());
 694         if ((in == NULL) || (out == NULL))
 695                 goto end;
 696
 697 #ifndef OPENSSL_NO_ENGINE
 698         e = setup_engine(bio_err, engine, 0);
 699 #endif
 700
 701         if (keyfile != NULL)
 702                 {
 703                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 704                         "Private Key");
 705                 if (!pkey)
 706                         {
 707                         /* load_key() has already printed an appropriate
 708                            message */
 709                         goto end;
 710                         }
 711                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 712                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 713                         {
 714                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 715                         if (randfile == NULL)
 716                                 ERR_clear_error();
 717                         app_RAND_load_file(randfile, bio_err, 0);
 718                         }
 719                 }
 720
 721         if (newreq && (pkey == NULL))
 722                 {
 723                 BN_GENCB cb;
 724                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 725                 if (randfile == NULL)
 726                         ERR_clear_error();
 727                 app_RAND_load_file(randfile, bio_err, 0);
 728                 if (inrand)
 729                         app_RAND_load_files(inrand);
 730
 731                 if (newkey <= 0)
 732                         {
 733                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 734                                 newkey=DEFAULT_KEY_LENGTH;
 735                         }
 736
 737                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 738                         {
 739                         BIO_printf(bio_err,"private key length is too short,\n");
 740                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 741                         goto end;
 742                         }
 743                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 744                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 745                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 746
 747                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 748
 749 #ifndef OPENSSL_NO_RSA
 750                 BN_GENCB_set(&cb, req_cb, bio_err);
 751                 if (pkey_type == TYPE_RSA)
 752                         {
 753                         RSA *rsa = RSA_new();
 754                         BIGNUM *bn = BN_new();
 755                         if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
 756                                         !RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
 757                                         !EVP_PKEY_assign_RSA(pkey, rsa))
 758                                 {
 759                                 if(bn) BN_free(bn);
 760                                 if(rsa) RSA_free(rsa);
 761                                 goto end;
 762                                 }
 763                         BN_free(bn);
 764                         }
 765                 else
 766 #endif
 767 #ifndef OPENSSL_NO_DSA
 768                         if (pkey_type == TYPE_DSA)
 769                         {
 770                         if (!DSA_generate_key(dsa_params)) goto end;
 771                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 772                         dsa_params=NULL;
 773                         }
 774 #endif
 775 #ifndef OPENSSL_NO_ECDSA
 776                         if (pkey_type == TYPE_EC)
 777                         {
 778                         if (!EC_KEY_generate_key(ec_params)) goto end;
 779                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 780                                 goto end;
 781                         ec_params = NULL;
 782                         }
 783 #endif
 784
 785                 app_RAND_write_file(randfile, bio_err);
 786
 787                 if (pkey == NULL) goto end;
 788
 789                 if (keyout == NULL)
 790                         {
 791                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 792                         if (keyout == NULL)
 793                                 ERR_clear_error();
 794                         }
 795
 796                 if (keyout == NULL)
 797                         {
 798                         BIO_printf(bio_err,"writing new private key to stdout\n");
 799                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 800 #ifdef OPENSSL_SYS_VMS
 801                         {
 802                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 803                         out = BIO_push(tmpbio, out);
 804                         }
 805 #endif
 806                         }
 807                 else
 808                         {
 809                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 810                         if (BIO_write_filename(out,keyout) <= 0)
 811                                 {
 812                                 perror(keyout);
 813                                 goto end;
 814                                 }
 815                         }
 816
 817                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 818                 if (p == NULL)
 819                         {
 820                         ERR_clear_error();
 821                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 822                         if (p == NULL)
 823                                 ERR_clear_error();
 824                         }
 825                 if ((p != NULL) && (strcmp(p,"no") == 0))
 826                         cipher=NULL;
 827                 if (nodes) cipher=NULL;
 828
 829                 i=0;
 830 loop:
 831                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 832                         NULL,0,NULL,passout))
 833                         {
 834                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 835                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 836                                 {
 837                                 ERR_clear_error();
 838                                 i++;
 839                                 goto loop;
 840                                 }
 841                         goto end;
 842                         }
 843                 BIO_printf(bio_err,"-----\n");
 844                 }
 845
 846         if (!newreq)
 847                 {
 848                 /* Since we are using a pre-existing certificate
 849                  * request, the kludge 'format' info should not be
 850                  * changed. */
 851                 kludge= -1;
 852                 if (infile == NULL)
 853                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 854                 else
 855                         {
 856                         if (BIO_read_filename(in,infile) <= 0)
 857                                 {
 858                                 perror(infile);
 859                                 goto end;
 860                                 }
 861                         }
 862
 863                 if      (informat == FORMAT_ASN1)
 864                         req=d2i_X509_REQ_bio(in,NULL);
 865                 else if (informat == FORMAT_PEM)
 866                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 867                 else
 868                         {
 869                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 870                         goto end;
 871                         }
 872                 if (req == NULL)
 873                         {
 874                         BIO_printf(bio_err,"unable to load X509 request\n");
 875                         goto end;
 876                         }
 877                 }
 878
 879         if (newreq || x509)
 880                 {
 881                 if (pkey == NULL)
 882                         {
 883                         BIO_printf(bio_err,"you need to specify a private key\n");
 884                         goto end;
 885                         }
 886 #ifndef OPENSSL_NO_DSA
 887                 if (pkey->type == EVP_PKEY_DSA)
 888                         digest=EVP_dss1();
 889 #endif
 890 #ifndef OPENSSL_NO_ECDSA
 891                 if (pkey->type == EVP_PKEY_EC)
 892                         digest=EVP_ecdsa();
 893 #endif
 894                 if (req == NULL)
 895                         {
 896                         req=X509_REQ_new();
 897                         if (req == NULL)
 898                                 {
 899                                 goto end;
 900                                 }
 901
 902                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 903                         subj=NULL; /* done processing '-subj' option */
 904                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 905                                 {
 906                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 907                                 req->req_info->attributes = NULL;
 908                                 }
 909                         if (!i)
 910                                 {
 911                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 912                                 goto end;
 913                                 }
 914                         }
 915                 if (x509)
 916                         {
 917                         EVP_PKEY *tmppkey;
 918                         X509V3_CTX ext_ctx;
 919                         if ((x509ss=X509_new()) == NULL) goto end;
 920
 921                         /* Set version to V3 */
 922                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 923                         if (serial)
 924                                 {
 925                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 926                                 }
 927                         else
 928                                 {
 929                                 if (!rand_serial(NULL,
 930                                         X509_get_serialNumber(x509ss)))
 931                                                 goto end;
 932                                 }
 933
 934                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 935                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 936                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 937                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 938                         tmppkey = X509_REQ_get_pubkey(req);
 939                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 940                         EVP_PKEY_free(tmppkey);
 941
 942                         /* Set up V3 context struct */
 943
 944                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 945                         X509V3_set_nconf(&ext_ctx, req_conf);
 946
 947                         /* Add extensions */
 948                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 949                                         &ext_ctx, extensions, x509ss))
 950                                 {
 951                                 BIO_printf(bio_err,
 952                                         "Error Loading extension section %s\n",
 953                                         extensions);
 954                                 goto end;
 955                                 }
 956
 957                         if (!(i=X509_sign(x509ss,pkey,digest)))
 958                                 goto end;
 959                         }
 960                 else
 961                         {
 962                         X509V3_CTX ext_ctx;
 963
 964                         /* Set up V3 context struct */
 965
 966                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 967                         X509V3_set_nconf(&ext_ctx, req_conf);
 968
 969                         /* Add extensions */
 970                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 971                                         &ext_ctx, req_exts, req))
 972                                 {
 973                                 BIO_printf(bio_err,
 974                                         "Error Loading extension section %s\n",
 975                                         req_exts);
 976                                 goto end;
 977                                 }
 978                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 979                                 goto end;
 980                         }
 981                 }
 982
 983         if (subj && x509)
 984                 {
 985                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 986                 goto end;
 987                 }
 988
 989         if (subj && !x509)
 990                 {
 991                 if (verbose)
 992                         {
 993                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 994                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 995                         }
 996
 997                 if (build_subject(req, subj, chtype, multirdn) == 0)
 998                         {
 999                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
1000                         ex=1;
1001                         goto end;
1002                         }
1003
1004                 req->req_info->enc.modified = 1;
1005
1006                 if (verbose)
1007                         {
1008                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1009                         }
1010                 }
1011
1012         if (verify && !x509)
1013                 {
1014                 int tmp=0;
1015
1016                 if (pkey == NULL)
1017                         {
1018                         pkey=X509_REQ_get_pubkey(req);
1019                         tmp=1;
1020                         if (pkey == NULL) goto end;
1021                         }
1022
1023                 i=X509_REQ_verify(req,pkey);
1024                 if (tmp) {
1025                         EVP_PKEY_free(pkey);
1026                         pkey=NULL;
1027                 }
1028
1029                 if (i < 0)
1030                         {
1031                         goto end;
1032                         }
1033                 else if (i == 0)
1034                         {
1035                         BIO_printf(bio_err,"verify failure\n");
1036                         ERR_print_errors(bio_err);
1037                         }
1038                 else /* if (i > 0) */
1039                         BIO_printf(bio_err,"verify OK\n");
1040                 }
1041
1042         if (noout && !text && !modulus && !subject && !pubkey)
1043                 {
1044                 ex=0;
1045                 goto end;
1046                 }
1047
1048         if (outfile == NULL)
1049                 {
1050                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1051 #ifdef OPENSSL_SYS_VMS
1052                 {
1053                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1054                 out = BIO_push(tmpbio, out);
1055                 }
1056 #endif
1057                 }
1058         else
1059                 {
1060                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1061                         i=(int)BIO_append_filename(out,outfile);
1062                 else
1063                         i=(int)BIO_write_filename(out,outfile);
1064                 if (!i)
1065                         {
1066                         perror(outfile);
1067                         goto end;
1068                         }
1069                 }
1070
1071         if (pubkey)
1072                 {
1073                 EVP_PKEY *tpubkey;
1074                 tpubkey=X509_REQ_get_pubkey(req);
1075                 if (tpubkey == NULL)
1076                         {
1077                         BIO_printf(bio_err,"Error getting public key\n");
1078                         ERR_print_errors(bio_err);
1079                         goto end;
1080                         }
1081                 PEM_write_bio_PUBKEY(out, tpubkey);
1082                 EVP_PKEY_free(tpubkey);
1083                 }
1084
1085         if (text)
1086                 {
1087                 if (x509)
1088                         X509_print_ex(out, x509ss, nmflag, reqflag);
1089                 else
1090                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1091                 }
1092
1093         if(subject)
1094                 {
1095                 if(x509)
1096                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1097                 else
1098                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1099                 }
1100
1101         if (modulus)
1102                 {
1103                 EVP_PKEY *tpubkey;
1104
1105                 if (x509)
1106                         tpubkey=X509_get_pubkey(x509ss);
1107                 else
1108                         tpubkey=X509_REQ_get_pubkey(req);
1109                 if (tpubkey == NULL)
1110                         {
1111                         fprintf(stdout,"Modulus=unavailable\n");
1112                         goto end;
1113                         }
1114                 fprintf(stdout,"Modulus=");
1115 #ifndef OPENSSL_NO_RSA
1116                 if (tpubkey->type == EVP_PKEY_RSA)
1117                         BN_print(out,tpubkey->pkey.rsa->n);
1118                 else
1119 #endif
1120                         fprintf(stdout,"Wrong Algorithm type");
1121                 EVP_PKEY_free(tpubkey);
1122                 fprintf(stdout,"\n");
1123                 }
1124
1125         if (!noout && !x509)
1126                 {
1127                 if      (outformat == FORMAT_ASN1)
1128                         i=i2d_X509_REQ_bio(out,req);
1129                 else if (outformat == FORMAT_PEM) {
1130                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1131                         else i=PEM_write_bio_X509_REQ(out,req);
1132                 } else {
1133                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1134                         goto end;
1135                         }
1136                 if (!i)
1137                         {
1138                         BIO_printf(bio_err,"unable to write X509 request\n");
1139                         goto end;
1140                         }
1141                 }
1142         if (!noout && x509 && (x509ss != NULL))
1143                 {
1144                 if      (outformat == FORMAT_ASN1)
1145                         i=i2d_X509_bio(out,x509ss);
1146                 else if (outformat == FORMAT_PEM)
1147                         i=PEM_write_bio_X509(out,x509ss);
1148                 else    {
1149                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1150                         goto end;
1151                         }
1152                 if (!i)
1153                         {
1154                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1155                         goto end;
1156                         }
1157                 }
1158         ex=0;
1159 end:
1160 #ifndef MONOLITH
1161         if(to_free)
1162                 OPENSSL_free(to_free);
1163 #endif
1164         if (ex)
1165                 {
1166                 ERR_print_errors(bio_err);
1167                 }
1168         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1169         BIO_free(in);
1170         BIO_free_all(out);
1171         EVP_PKEY_free(pkey);
1172         X509_REQ_free(req);
1173         X509_free(x509ss);
1174         ASN1_INTEGER_free(serial);
1175         if(passargin && passin) OPENSSL_free(passin);
1176         if(passargout && passout) OPENSSL_free(passout);
1177         OBJ_cleanup();
1178 #ifndef OPENSSL_NO_DSA
1179         if (dsa_params != NULL) DSA_free(dsa_params);
1180 #endif
1181 #ifndef OPENSSL_NO_ECDSA
1182         if (ec_params != NULL) EC_KEY_free(ec_params);
1183 #endif
1184         apps_shutdown();
1185         OPENSSL_EXIT(ex);
1186         }
1187
1188 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1189                         int attribs, unsigned long chtype)
1190         {
1191         int ret=0,i;
1192         char no_prompt = 0;
1193         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1194         char *tmp, *dn_sect,*attr_sect;
1195
1196         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1197         if (tmp == NULL)
1198                 ERR_clear_error();
1199         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1200
1201         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1202         if (dn_sect == NULL)
1203                 {
1204                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1205                         DISTINGUISHED_NAME);
1206                 goto err;
1207                 }
1208         dn_sk=NCONF_get_section(req_conf,dn_sect);
1209         if (dn_sk == NULL)
1210                 {
1211                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1212                 goto err;
1213                 }
1214
1215         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1216         if (attr_sect == NULL)
1217                 {
1218                 ERR_clear_error();
1219                 attr_sk=NULL;
1220                 }
1221         else
1222                 {
1223                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1224                 if (attr_sk == NULL)
1225                         {
1226                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1227                         goto err;
1228                         }
1229                 }
1230
1231         /* setup version number */
1232         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1233
1234         if (no_prompt)
1235                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1236         else
1237                 {
1238                 if (subj)
1239                         i = build_subject(req, subj, chtype, multirdn);
1240                 else
1241                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1242                 }
1243         if(!i) goto err;
1244
1245         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1246
1247         ret=1;
1248 err:
1249         return(ret);
1250         }
1251
1252 /*
1253  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1254  * where characters may be escaped by \
1255  */
1256 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1257         {
1258         X509_NAME *n;
1259
1260         if (!(n = parse_name(subject, chtype, multirdn)))
1261                 return 0;
1262
1263         if (!X509_REQ_set_subject_name(req, n))
1264                 {
1265                 X509_NAME_free(n);
1266                 return 0;
1267                 }
1268         X509_NAME_free(n);
1269         return 1;
1270 }
1271
1272
1273 static int prompt_info(X509_REQ *req,
1274                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1275                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1276                 unsigned long chtype)
1277         {
1278         int i;
1279         char *p,*q;
1280         char buf[100];
1281         int nid, mval;
1282         long n_min,n_max;
1283         char *type,*def,*value;
1284         CONF_VALUE *v;
1285         X509_NAME *subj;
1286         subj = X509_REQ_get_subject_name(req);
1287
1288         if(!batch)
1289                 {
1290                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1291                 BIO_printf(bio_err,"into your certificate request.\n");
1292                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1293                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1294                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1295                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1296                 BIO_printf(bio_err,"-----\n");
1297                 }
1298
1299
1300         if (sk_CONF_VALUE_num(dn_sk))
1301                 {
1302                 i= -1;
1303 start:          for (;;)
1304                         {
1305                         i++;
1306                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1307
1308                         v=sk_CONF_VALUE_value(dn_sk,i);
1309                         p=q=NULL;
1310                         type=v->name;
1311                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1312                                 !check_end(type,"_default") ||
1313                                          !check_end(type,"_value")) continue;
1314                         /* Skip past any leading X. X: X, etc to allow for
1315                          * multiple instances
1316                          */
1317                         for(p = v->name; *p ; p++)
1318                                 if ((*p == ':') || (*p == ',') ||
1319                                                          (*p == '.')) {
1320                                         p++;
1321                                         if(*p) type = p;
1322                                         break;
1323                                 }
1324                         if (*type == '+')
1325                                 {
1326                                 mval = -1;
1327                                 type++;
1328                                 }
1329                         else
1330                                 mval = 0;
1331                         /* If OBJ not recognised ignore it */
1332                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1333                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1334                                 >= (int)sizeof(buf))
1335                            {
1336                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1337                            return 0;
1338                            }
1339
1340                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1341                                 {
1342                                 ERR_clear_error();
1343                                 def="";
1344                                 }
1345
1346                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1347                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1348                                 {
1349                                 ERR_clear_error();
1350                                 value=NULL;
1351                                 }
1352
1353                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1354                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1355                                 {
1356                                 ERR_clear_error();
1357                                 n_min = -1;
1358                                 }
1359
1360                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1361                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1362                                 {
1363                                 ERR_clear_error();
1364                                 n_max = -1;
1365                                 }
1366
1367                         if (!add_DN_object(subj,v->value,def,value,nid,
1368                                 n_min,n_max, chtype, mval))
1369                                 return 0;
1370                         }
1371                 if (X509_NAME_entry_count(subj) == 0)
1372                         {
1373                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1374                         return 0;
1375                         }
1376
1377                 if (attribs)
1378                         {
1379                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1380                                 {
1381                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1382                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1383                                 }
1384
1385                         i= -1;
1386 start2:                 for (;;)
1387                                 {
1388                                 i++;
1389                                 if ((attr_sk == NULL) ||
1390                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1391                                         break;
1392
1393                                 v=sk_CONF_VALUE_value(attr_sk,i);
1394                                 type=v->name;
1395                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1396                                         goto start2;
1397
1398                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1399                                         >= (int)sizeof(buf))
1400                                    {
1401                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1402                                    return 0;
1403                                    }
1404
1405                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1406                                         == NULL)
1407                                         {
1408                                         ERR_clear_error();
1409                                         def="";
1410                                         }
1411
1412
1413                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1414                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1415                                         == NULL)
1416                                         {
1417                                         ERR_clear_error();
1418                                         value=NULL;
1419                                         }
1420
1421                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1422                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1423                                         n_min = -1;
1424
1425                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1426                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1427                                         n_max = -1;
1428
1429                                 if (!add_attribute_object(req,
1430                                         v->value,def,value,nid,n_min,n_max, chtype))
1431                                         return 0;
1432                                 }
1433                         }
1434                 }
1435         else
1436                 {
1437                 BIO_printf(bio_err,"No template, please set one up.\n");
1438                 return 0;
1439                 }
1440
1441         return 1;
1442
1443         }
1444
1445 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1446                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1447         {
1448         int i;
1449         char *p,*q;
1450         char *type;
1451         CONF_VALUE *v;
1452         X509_NAME *subj;
1453
1454         subj = X509_REQ_get_subject_name(req);
1455
1456         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1457                 {
1458                 int mval;
1459                 v=sk_CONF_VALUE_value(dn_sk,i);
1460                 p=q=NULL;
1461                 type=v->name;
1462                 /* Skip past any leading X. X: X, etc to allow for
1463                  * multiple instances
1464                  */
1465                 for(p = v->name; *p ; p++)
1466 #ifndef CHARSET_EBCDIC
1467                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1468 #else
1469                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1470 #endif
1471                                 p++;
1472                                 if(*p) type = p;
1473                                 break;
1474                         }
1475 #ifndef CHARSET_EBCDIC
1476                 if (*p == '+')
1477 #else
1478                 if (*p == os_toascii['+'])
1479 #endif
1480                         {
1481                         p++;
1482                         mval = -1;
1483                         }
1484                 else
1485                         mval = 0;
1486                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1487                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1488
1489                 }
1490
1491                 if (!X509_NAME_entry_count(subj))
1492                         {
1493                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1494                         return 0;
1495                         }
1496                 if (attribs)
1497                         {
1498                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1499                                 {
1500                                 v=sk_CONF_VALUE_value(attr_sk,i);
1501                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1502                                         (unsigned char *)v->value, -1)) return 0;
1503                                 }
1504                         }
1505         return 1;
1506         }
1507
1508
1509 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1510              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1511         {
1512         int i,ret=0;
1513         MS_STATIC char buf[1024];
1514 start:
1515         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1516         (void)BIO_flush(bio_err);
1517         if(value != NULL)
1518                 {
1519                 BUF_strlcpy(buf,value,sizeof buf);
1520                 BUF_strlcat(buf,"\n",sizeof buf);
1521                 BIO_printf(bio_err,"%s\n",value);
1522                 }
1523         else
1524                 {
1525                 buf[0]='\0';
1526                 if (!batch)
1527                         {
1528                         fgets(buf,sizeof buf,stdin);
1529                         }
1530                 else
1531                         {
1532                         buf[0] = '\n';
1533                         buf[1] = '\0';
1534                         }
1535                 }
1536
1537         if (buf[0] == '\0') return(0);
1538         else if (buf[0] == '\n')
1539                 {
1540                 if ((def == NULL) || (def[0] == '\0'))
1541                         return(1);
1542                 BUF_strlcpy(buf,def,sizeof buf);
1543                 BUF_strlcat(buf,"\n",sizeof buf);
1544                 }
1545         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1546
1547         i=strlen(buf);
1548         if (buf[i-1] != '\n')
1549                 {
1550                 BIO_printf(bio_err,"weird input :-(\n");
1551                 return(0);
1552                 }
1553         buf[--i]='\0';
1554 #ifdef CHARSET_EBCDIC
1555         ebcdic2ascii(buf, buf, i);
1556 #endif
1557         if(!req_check_len(i, n_min, n_max)) goto start;
1558         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1559                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1560         ret=1;
1561 err:
1562         return(ret);
1563         }
1564
1565 static int add_attribute_object(X509_REQ *req, char *text,
1566                                 char *def, char *value, int nid, int n_min,
1567                                 int n_max, unsigned long chtype)
1568         {
1569         int i;
1570         static char buf[1024];
1571
1572 start:
1573         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1574         (void)BIO_flush(bio_err);
1575         if (value != NULL)
1576                 {
1577                 BUF_strlcpy(buf,value,sizeof buf);
1578                 BUF_strlcat(buf,"\n",sizeof buf);
1579                 BIO_printf(bio_err,"%s\n",value);
1580                 }
1581         else
1582                 {
1583                 buf[0]='\0';
1584                 if (!batch)
1585                         {
1586                         fgets(buf,sizeof buf,stdin);
1587                         }
1588                 else
1589                         {
1590                         buf[0] = '\n';
1591                         buf[1] = '\0';
1592                         }
1593                 }
1594
1595         if (buf[0] == '\0') return(0);
1596         else if (buf[0] == '\n')
1597                 {
1598                 if ((def == NULL) || (def[0] == '\0'))
1599                         return(1);
1600                 BUF_strlcpy(buf,def,sizeof buf);
1601                 BUF_strlcat(buf,"\n",sizeof buf);
1602                 }
1603         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1604
1605         i=strlen(buf);
1606         if (buf[i-1] != '\n')
1607                 {
1608                 BIO_printf(bio_err,"weird input :-(\n");
1609                 return(0);
1610                 }
1611         buf[--i]='\0';
1612 #ifdef CHARSET_EBCDIC
1613         ebcdic2ascii(buf, buf, i);
1614 #endif
1615         if(!req_check_len(i, n_min, n_max)) goto start;
1616
1617         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1618                                         (unsigned char *)buf, -1)) {
1619                 BIO_printf(bio_err, "Error adding attribute\n");
1620                 ERR_print_errors(bio_err);
1621                 goto err;
1622         }
1623
1624         return(1);
1625 err:
1626         return(0);
1627         }
1628
1629 #ifndef OPENSSL_NO_RSA
1630 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1631         {
1632         char c='*';
1633
1634         if (p == 0) c='.';
1635         if (p == 1) c='+';
1636         if (p == 2) c='*';
1637         if (p == 3) c='\n';
1638         BIO_write(cb->arg,&c,1);
1639         (void)BIO_flush(cb->arg);
1640 #ifdef LINT
1641         p=n;
1642 #endif
1643         return 1;
1644         }
1645 #endif
1646
1647 static int req_check_len(int len, int n_min, int n_max)
1648         {
1649         if ((n_min > 0) && (len < n_min))
1650                 {
1651                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1652                 return(0);
1653                 }
1654         if ((n_max >= 0) && (len > n_max))
1655                 {
1656                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1657                 return(0);
1658                 }
1659         return(1);
1660         }
1661
1662 /* Check if the end of a string matches 'end' */
1663 static int check_end(char *str, char *end)
1664 {
1665         int elen, slen;
1666         char *tmp;
1667         elen = strlen(end);
1668         slen = strlen(str);
1669         if(elen > slen) return 1;
1670         tmp = str + slen - elen;
1671         return strcmp(tmp, end);
1672 }