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_md5();
 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                 if( verbose )
 571                         BIO_printf(bio_err,"Using configuration from %s\n",
 572                         default_config_file);
 573                 if (req_conf == NULL)
 574                         {
 575                         BIO_printf(bio_err,"Unable to load config info\n");
 576                         }
 577                 }
 578
 579         if (req_conf != NULL)
 580                 {
 581                 if (!load_config(bio_err, req_conf))
 582                         goto end;
 583                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 584                 if (p == NULL)
 585                         ERR_clear_error();
 586                 if (p != NULL)
 587                         {
 588                         BIO *oid_bio;
 589
 590                         oid_bio=BIO_new_file(p,"r");
 591                         if (oid_bio == NULL)
 592                                 {
 593                                 /*
 594                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 595                                 ERR_print_errors(bio_err);
 596                                 */
 597                                 }
 598                         else
 599                                 {
 600                                 OBJ_create_objects(oid_bio);
 601                                 BIO_free(oid_bio);
 602                                 }
 603                         }
 604                 }
 605         if(!add_oid_section(bio_err, req_conf)) goto end;
 606
 607         if (md_alg == NULL)
 608                 {
 609                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 610                 if (p == NULL)
 611                         ERR_clear_error();
 612                 if (p != NULL)
 613                         {
 614                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 615                                 digest=md_alg;
 616                         }
 617                 }
 618
 619         if (!extensions)
 620                 {
 621                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 622                 if (!extensions)
 623                         ERR_clear_error();
 624                 }
 625         if (extensions) {
 626                 /* Check syntax of file */
 627                 X509V3_CTX ctx;
 628                 X509V3_set_ctx_test(&ctx);
 629                 X509V3_set_nconf(&ctx, req_conf);
 630                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 631                         BIO_printf(bio_err,
 632                          "Error Loading extension section %s\n", extensions);
 633                         goto end;
 634                 }
 635         }
 636
 637         if(!passin)
 638                 {
 639                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 640                 if (!passin)
 641                         ERR_clear_error();
 642                 }
 643
 644         if(!passout)
 645                 {
 646                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 647                 if (!passout)
 648                         ERR_clear_error();
 649                 }
 650
 651         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 652         if (!p)
 653                 ERR_clear_error();
 654
 655         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 656                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 657                 goto end;
 658         }
 659
 660         if (chtype != MBSTRING_UTF8)
 661                 {
 662                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 663                 if (!p)
 664                         ERR_clear_error();
 665                 else if (!strcmp(p, "yes"))
 666                         chtype = MBSTRING_UTF8;
 667                 }
 668
 669
 670         if(!req_exts)
 671                 {
 672                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 673                 if (!req_exts)
 674                         ERR_clear_error();
 675                 }
 676         if(req_exts) {
 677                 /* Check syntax of file */
 678                 X509V3_CTX ctx;
 679                 X509V3_set_ctx_test(&ctx);
 680                 X509V3_set_nconf(&ctx, req_conf);
 681                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 682                         BIO_printf(bio_err,
 683                          "Error Loading request extension section %s\n",
 684                                                                 req_exts);
 685                         goto end;
 686                 }
 687         }
 688
 689         in=BIO_new(BIO_s_file());
 690         out=BIO_new(BIO_s_file());
 691         if ((in == NULL) || (out == NULL))
 692                 goto end;
 693
 694 #ifndef OPENSSL_NO_ENGINE
 695         e = setup_engine(bio_err, engine, 0);
 696 #endif
 697
 698         if (keyfile != NULL)
 699                 {
 700                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 701                         "Private Key");
 702                 if (!pkey)
 703                         {
 704                         /* load_key() has already printed an appropriate
 705                            message */
 706                         goto end;
 707                         }
 708                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 709                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 710                         {
 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                         }
 716                 }
 717
 718         if (newreq && (pkey == NULL))
 719                 {
 720                 BN_GENCB cb;
 721                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 722                 if (randfile == NULL)
 723                         ERR_clear_error();
 724                 app_RAND_load_file(randfile, bio_err, 0);
 725                 if (inrand)
 726                         app_RAND_load_files(inrand);
 727
 728                 if (newkey <= 0)
 729                         {
 730                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 731                                 newkey=DEFAULT_KEY_LENGTH;
 732                         }
 733
 734                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 735                         {
 736                         BIO_printf(bio_err,"private key length is too short,\n");
 737                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 738                         goto end;
 739                         }
 740                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 741                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 742                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 743
 744                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 745
 746 #ifndef OPENSSL_NO_RSA
 747                 BN_GENCB_set(&cb, req_cb, bio_err);
 748                 if (pkey_type == TYPE_RSA)
 749                         {
 750                         RSA *rsa = RSA_new();
 751                         BIGNUM *bn = BN_new();
 752                         if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
 753                                         !RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
 754                                         !EVP_PKEY_assign_RSA(pkey, rsa))
 755                                 {
 756                                 if(bn) BN_free(bn);
 757                                 if(rsa) RSA_free(rsa);
 758                                 goto end;
 759                                 }
 760                         BN_free(bn);
 761                         }
 762                 else
 763 #endif
 764 #ifndef OPENSSL_NO_DSA
 765                         if (pkey_type == TYPE_DSA)
 766                         {
 767                         if (!DSA_generate_key(dsa_params)) goto end;
 768                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 769                         dsa_params=NULL;
 770                         }
 771 #endif
 772 #ifndef OPENSSL_NO_ECDSA
 773                         if (pkey_type == TYPE_EC)
 774                         {
 775                         if (!EC_KEY_generate_key(ec_params)) goto end;
 776                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 777                                 goto end;
 778                         ec_params = NULL;
 779                         }
 780 #endif
 781
 782                 app_RAND_write_file(randfile, bio_err);
 783
 784                 if (pkey == NULL) goto end;
 785
 786                 if (keyout == NULL)
 787                         {
 788                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 789                         if (keyout == NULL)
 790                                 ERR_clear_error();
 791                         }
 792
 793                 if (keyout == NULL)
 794                         {
 795                         BIO_printf(bio_err,"writing new private key to stdout\n");
 796                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 797 #ifdef OPENSSL_SYS_VMS
 798                         {
 799                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 800                         out = BIO_push(tmpbio, out);
 801                         }
 802 #endif
 803                         }
 804                 else
 805                         {
 806                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 807                         if (BIO_write_filename(out,keyout) <= 0)
 808                                 {
 809                                 perror(keyout);
 810                                 goto end;
 811                                 }
 812                         }
 813
 814                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 815                 if (p == NULL)
 816                         {
 817                         ERR_clear_error();
 818                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 819                         if (p == NULL)
 820                                 ERR_clear_error();
 821                         }
 822                 if ((p != NULL) && (strcmp(p,"no") == 0))
 823                         cipher=NULL;
 824                 if (nodes) cipher=NULL;
 825
 826                 i=0;
 827 loop:
 828                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 829                         NULL,0,NULL,passout))
 830                         {
 831                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 832                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 833                                 {
 834                                 ERR_clear_error();
 835                                 i++;
 836                                 goto loop;
 837                                 }
 838                         goto end;
 839                         }
 840                 BIO_printf(bio_err,"-----\n");
 841                 }
 842
 843         if (!newreq)
 844                 {
 845                 /* Since we are using a pre-existing certificate
 846                  * request, the kludge 'format' info should not be
 847                  * changed. */
 848                 kludge= -1;
 849                 if (infile == NULL)
 850                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 851                 else
 852                         {
 853                         if (BIO_read_filename(in,infile) <= 0)
 854                                 {
 855                                 perror(infile);
 856                                 goto end;
 857                                 }
 858                         }
 859
 860                 if      (informat == FORMAT_ASN1)
 861                         req=d2i_X509_REQ_bio(in,NULL);
 862                 else if (informat == FORMAT_PEM)
 863                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 864                 else
 865                         {
 866                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 867                         goto end;
 868                         }
 869                 if (req == NULL)
 870                         {
 871                         BIO_printf(bio_err,"unable to load X509 request\n");
 872                         goto end;
 873                         }
 874                 }
 875
 876         if (newreq || x509)
 877                 {
 878                 if (pkey == NULL)
 879                         {
 880                         BIO_printf(bio_err,"you need to specify a private key\n");
 881                         goto end;
 882                         }
 883 #ifndef OPENSSL_NO_DSA
 884                 if (pkey->type == EVP_PKEY_DSA)
 885                         digest=EVP_dss1();
 886 #endif
 887 #ifndef OPENSSL_NO_ECDSA
 888                 if (pkey->type == EVP_PKEY_EC)
 889                         digest=EVP_ecdsa();
 890 #endif
 891                 if (req == NULL)
 892                         {
 893                         req=X509_REQ_new();
 894                         if (req == NULL)
 895                                 {
 896                                 goto end;
 897                                 }
 898
 899                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 900                         subj=NULL; /* done processing '-subj' option */
 901                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 902                                 {
 903                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 904                                 req->req_info->attributes = NULL;
 905                                 }
 906                         if (!i)
 907                                 {
 908                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 909                                 goto end;
 910                                 }
 911                         }
 912                 if (x509)
 913                         {
 914                         EVP_PKEY *tmppkey;
 915                         X509V3_CTX ext_ctx;
 916                         if ((x509ss=X509_new()) == NULL) goto end;
 917
 918                         /* Set version to V3 */
 919                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 920                         if (serial)
 921                                 {
 922                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 923                                 }
 924                         else
 925                                 {
 926                                 if (!rand_serial(NULL,
 927                                         X509_get_serialNumber(x509ss)))
 928                                                 goto end;
 929                                 }
 930
 931                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 932                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 933                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 934                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 935                         tmppkey = X509_REQ_get_pubkey(req);
 936                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 937                         EVP_PKEY_free(tmppkey);
 938
 939                         /* Set up V3 context struct */
 940
 941                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 942                         X509V3_set_nconf(&ext_ctx, req_conf);
 943
 944                         /* Add extensions */
 945                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 946                                         &ext_ctx, extensions, x509ss))
 947                                 {
 948                                 BIO_printf(bio_err,
 949                                         "Error Loading extension section %s\n",
 950                                         extensions);
 951                                 goto end;
 952                                 }
 953
 954                         if (!(i=X509_sign(x509ss,pkey,digest)))
 955                                 goto end;
 956                         }
 957                 else
 958                         {
 959                         X509V3_CTX ext_ctx;
 960
 961                         /* Set up V3 context struct */
 962
 963                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 964                         X509V3_set_nconf(&ext_ctx, req_conf);
 965
 966                         /* Add extensions */
 967                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 968                                         &ext_ctx, req_exts, req))
 969                                 {
 970                                 BIO_printf(bio_err,
 971                                         "Error Loading extension section %s\n",
 972                                         req_exts);
 973                                 goto end;
 974                                 }
 975                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 976                                 goto end;
 977                         }
 978                 }
 979
 980         if (subj && x509)
 981                 {
 982                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 983                 goto end;
 984                 }
 985
 986         if (subj && !x509)
 987                 {
 988                 if (verbose)
 989                         {
 990                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 991                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 992                         }
 993
 994                 if (build_subject(req, subj, chtype, multirdn) == 0)
 995                         {
 996                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 997                         ex=1;
 998                         goto end;
 999                         }
1000
1001                 req->req_info->enc.modified = 1;
1002
1003                 if (verbose)
1004                         {
1005                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1006                         }
1007                 }
1008
1009         if (verify && !x509)
1010                 {
1011                 int tmp=0;
1012
1013                 if (pkey == NULL)
1014                         {
1015                         pkey=X509_REQ_get_pubkey(req);
1016                         tmp=1;
1017                         if (pkey == NULL) goto end;
1018                         }
1019
1020                 i=X509_REQ_verify(req,pkey);
1021                 if (tmp) {
1022                         EVP_PKEY_free(pkey);
1023                         pkey=NULL;
1024                 }
1025
1026                 if (i < 0)
1027                         {
1028                         goto end;
1029                         }
1030                 else if (i == 0)
1031                         {
1032                         BIO_printf(bio_err,"verify failure\n");
1033                         ERR_print_errors(bio_err);
1034                         }
1035                 else /* if (i > 0) */
1036                         BIO_printf(bio_err,"verify OK\n");
1037                 }
1038
1039         if (noout && !text && !modulus && !subject && !pubkey)
1040                 {
1041                 ex=0;
1042                 goto end;
1043                 }
1044
1045         if (outfile == NULL)
1046                 {
1047                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1048 #ifdef OPENSSL_SYS_VMS
1049                 {
1050                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1051                 out = BIO_push(tmpbio, out);
1052                 }
1053 #endif
1054                 }
1055         else
1056                 {
1057                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1058                         i=(int)BIO_append_filename(out,outfile);
1059                 else
1060                         i=(int)BIO_write_filename(out,outfile);
1061                 if (!i)
1062                         {
1063                         perror(outfile);
1064                         goto end;
1065                         }
1066                 }
1067
1068         if (pubkey)
1069                 {
1070                 EVP_PKEY *tpubkey;
1071                 tpubkey=X509_REQ_get_pubkey(req);
1072                 if (tpubkey == NULL)
1073                         {
1074                         BIO_printf(bio_err,"Error getting public key\n");
1075                         ERR_print_errors(bio_err);
1076                         goto end;
1077                         }
1078                 PEM_write_bio_PUBKEY(out, tpubkey);
1079                 EVP_PKEY_free(tpubkey);
1080                 }
1081
1082         if (text)
1083                 {
1084                 if (x509)
1085                         X509_print_ex(out, x509ss, nmflag, reqflag);
1086                 else
1087                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1088                 }
1089
1090         if(subject)
1091                 {
1092                 if(x509)
1093                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1094                 else
1095                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1096                 }
1097
1098         if (modulus)
1099                 {
1100                 EVP_PKEY *tpubkey;
1101
1102                 if (x509)
1103                         tpubkey=X509_get_pubkey(x509ss);
1104                 else
1105                         tpubkey=X509_REQ_get_pubkey(req);
1106                 if (tpubkey == NULL)
1107                         {
1108                         fprintf(stdout,"Modulus=unavailable\n");
1109                         goto end;
1110                         }
1111                 fprintf(stdout,"Modulus=");
1112 #ifndef OPENSSL_NO_RSA
1113                 if (tpubkey->type == EVP_PKEY_RSA)
1114                         BN_print(out,tpubkey->pkey.rsa->n);
1115                 else
1116 #endif
1117                         fprintf(stdout,"Wrong Algorithm type");
1118                 EVP_PKEY_free(tpubkey);
1119                 fprintf(stdout,"\n");
1120                 }
1121
1122         if (!noout && !x509)
1123                 {
1124                 if      (outformat == FORMAT_ASN1)
1125                         i=i2d_X509_REQ_bio(out,req);
1126                 else if (outformat == FORMAT_PEM) {
1127                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1128                         else i=PEM_write_bio_X509_REQ(out,req);
1129                 } else {
1130                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1131                         goto end;
1132                         }
1133                 if (!i)
1134                         {
1135                         BIO_printf(bio_err,"unable to write X509 request\n");
1136                         goto end;
1137                         }
1138                 }
1139         if (!noout && x509 && (x509ss != NULL))
1140                 {
1141                 if      (outformat == FORMAT_ASN1)
1142                         i=i2d_X509_bio(out,x509ss);
1143                 else if (outformat == FORMAT_PEM)
1144                         i=PEM_write_bio_X509(out,x509ss);
1145                 else    {
1146                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1147                         goto end;
1148                         }
1149                 if (!i)
1150                         {
1151                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1152                         goto end;
1153                         }
1154                 }
1155         ex=0;
1156 end:
1157 #ifndef MONOLITH
1158         if(to_free)
1159                 OPENSSL_free(to_free);
1160 #endif
1161         if (ex)
1162                 {
1163                 ERR_print_errors(bio_err);
1164                 }
1165         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1166         BIO_free(in);
1167         BIO_free_all(out);
1168         EVP_PKEY_free(pkey);
1169         X509_REQ_free(req);
1170         X509_free(x509ss);
1171         ASN1_INTEGER_free(serial);
1172         if(passargin && passin) OPENSSL_free(passin);
1173         if(passargout && passout) OPENSSL_free(passout);
1174         OBJ_cleanup();
1175 #ifndef OPENSSL_NO_DSA
1176         if (dsa_params != NULL) DSA_free(dsa_params);
1177 #endif
1178 #ifndef OPENSSL_NO_ECDSA
1179         if (ec_params != NULL) EC_KEY_free(ec_params);
1180 #endif
1181         apps_shutdown();
1182         OPENSSL_EXIT(ex);
1183         }
1184
1185 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1186                         int attribs, unsigned long chtype)
1187         {
1188         int ret=0,i;
1189         char no_prompt = 0;
1190         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1191         char *tmp, *dn_sect,*attr_sect;
1192
1193         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1194         if (tmp == NULL)
1195                 ERR_clear_error();
1196         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1197
1198         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1199         if (dn_sect == NULL)
1200                 {
1201                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1202                         DISTINGUISHED_NAME);
1203                 goto err;
1204                 }
1205         dn_sk=NCONF_get_section(req_conf,dn_sect);
1206         if (dn_sk == NULL)
1207                 {
1208                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1209                 goto err;
1210                 }
1211
1212         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1213         if (attr_sect == NULL)
1214                 {
1215                 ERR_clear_error();
1216                 attr_sk=NULL;
1217                 }
1218         else
1219                 {
1220                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1221                 if (attr_sk == NULL)
1222                         {
1223                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1224                         goto err;
1225                         }
1226                 }
1227
1228         /* setup version number */
1229         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1230
1231         if (no_prompt)
1232                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1233         else
1234                 {
1235                 if (subj)
1236                         i = build_subject(req, subj, chtype, multirdn);
1237                 else
1238                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1239                 }
1240         if(!i) goto err;
1241
1242         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1243
1244         ret=1;
1245 err:
1246         return(ret);
1247         }
1248
1249 /*
1250  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1251  * where characters may be escaped by \
1252  */
1253 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1254         {
1255         X509_NAME *n;
1256
1257         if (!(n = parse_name(subject, chtype, multirdn)))
1258                 return 0;
1259
1260         if (!X509_REQ_set_subject_name(req, n))
1261                 {
1262                 X509_NAME_free(n);
1263                 return 0;
1264                 }
1265         X509_NAME_free(n);
1266         return 1;
1267 }
1268
1269
1270 static int prompt_info(X509_REQ *req,
1271                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1272                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1273                 unsigned long chtype)
1274         {
1275         int i;
1276         char *p,*q;
1277         char buf[100];
1278         int nid, mval;
1279         long n_min,n_max;
1280         char *type,*def,*value;
1281         CONF_VALUE *v;
1282         X509_NAME *subj;
1283         subj = X509_REQ_get_subject_name(req);
1284
1285         if(!batch)
1286                 {
1287                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1288                 BIO_printf(bio_err,"into your certificate request.\n");
1289                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1290                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1291                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1292                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1293                 BIO_printf(bio_err,"-----\n");
1294                 }
1295
1296
1297         if (sk_CONF_VALUE_num(dn_sk))
1298                 {
1299                 i= -1;
1300 start:          for (;;)
1301                         {
1302                         i++;
1303                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1304
1305                         v=sk_CONF_VALUE_value(dn_sk,i);
1306                         p=q=NULL;
1307                         type=v->name;
1308                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1309                                 !check_end(type,"_default") ||
1310                                          !check_end(type,"_value")) continue;
1311                         /* Skip past any leading X. X: X, etc to allow for
1312                          * multiple instances
1313                          */
1314                         for(p = v->name; *p ; p++)
1315                                 if ((*p == ':') || (*p == ',') ||
1316                                                          (*p == '.')) {
1317                                         p++;
1318                                         if(*p) type = p;
1319                                         break;
1320                                 }
1321                         if (*type == '+')
1322                                 {
1323                                 mval = -1;
1324                                 type++;
1325                                 }
1326                         else
1327                                 mval = 0;
1328                         /* If OBJ not recognised ignore it */
1329                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1330                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1331                                 >= (int)sizeof(buf))
1332                            {
1333                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1334                            return 0;
1335                            }
1336
1337                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1338                                 {
1339                                 ERR_clear_error();
1340                                 def="";
1341                                 }
1342
1343                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1344                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1345                                 {
1346                                 ERR_clear_error();
1347                                 value=NULL;
1348                                 }
1349
1350                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1351                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1352                                 {
1353                                 ERR_clear_error();
1354                                 n_min = -1;
1355                                 }
1356
1357                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1358                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1359                                 {
1360                                 ERR_clear_error();
1361                                 n_max = -1;
1362                                 }
1363
1364                         if (!add_DN_object(subj,v->value,def,value,nid,
1365                                 n_min,n_max, chtype, mval))
1366                                 return 0;
1367                         }
1368                 if (X509_NAME_entry_count(subj) == 0)
1369                         {
1370                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1371                         return 0;
1372                         }
1373
1374                 if (attribs)
1375                         {
1376                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1377                                 {
1378                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1379                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1380                                 }
1381
1382                         i= -1;
1383 start2:                 for (;;)
1384                                 {
1385                                 i++;
1386                                 if ((attr_sk == NULL) ||
1387                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1388                                         break;
1389
1390                                 v=sk_CONF_VALUE_value(attr_sk,i);
1391                                 type=v->name;
1392                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1393                                         goto start2;
1394
1395                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1396                                         >= (int)sizeof(buf))
1397                                    {
1398                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1399                                    return 0;
1400                                    }
1401
1402                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1403                                         == NULL)
1404                                         {
1405                                         ERR_clear_error();
1406                                         def="";
1407                                         }
1408
1409
1410                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1411                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1412                                         == NULL)
1413                                         {
1414                                         ERR_clear_error();
1415                                         value=NULL;
1416                                         }
1417
1418                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1419                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1420                                         n_min = -1;
1421
1422                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1423                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1424                                         n_max = -1;
1425
1426                                 if (!add_attribute_object(req,
1427                                         v->value,def,value,nid,n_min,n_max, chtype))
1428                                         return 0;
1429                                 }
1430                         }
1431                 }
1432         else
1433                 {
1434                 BIO_printf(bio_err,"No template, please set one up.\n");
1435                 return 0;
1436                 }
1437
1438         return 1;
1439
1440         }
1441
1442 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1443                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1444         {
1445         int i;
1446         char *p,*q;
1447         char *type;
1448         CONF_VALUE *v;
1449         X509_NAME *subj;
1450
1451         subj = X509_REQ_get_subject_name(req);
1452
1453         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1454                 {
1455                 int mval;
1456                 v=sk_CONF_VALUE_value(dn_sk,i);
1457                 p=q=NULL;
1458                 type=v->name;
1459                 /* Skip past any leading X. X: X, etc to allow for
1460                  * multiple instances
1461                  */
1462                 for(p = v->name; *p ; p++)
1463 #ifndef CHARSET_EBCDIC
1464                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1465 #else
1466                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1467 #endif
1468                                 p++;
1469                                 if(*p) type = p;
1470                                 break;
1471                         }
1472 #ifndef CHARSET_EBCDIC
1473                 if (*p == '+')
1474 #else
1475                 if (*p == os_toascii['+'])
1476 #endif
1477                         {
1478                         p++;
1479                         mval = -1;
1480                         }
1481                 else
1482                         mval = 0;
1483                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1484                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1485
1486                 }
1487
1488                 if (!X509_NAME_entry_count(subj))
1489                         {
1490                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1491                         return 0;
1492                         }
1493                 if (attribs)
1494                         {
1495                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1496                                 {
1497                                 v=sk_CONF_VALUE_value(attr_sk,i);
1498                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1499                                         (unsigned char *)v->value, -1)) return 0;
1500                                 }
1501                         }
1502         return 1;
1503         }
1504
1505
1506 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1507              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1508         {
1509         int i,ret=0;
1510         MS_STATIC char buf[1024];
1511 start:
1512         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1513         (void)BIO_flush(bio_err);
1514         if(value != NULL)
1515                 {
1516                 BUF_strlcpy(buf,value,sizeof buf);
1517                 BUF_strlcat(buf,"\n",sizeof buf);
1518                 BIO_printf(bio_err,"%s\n",value);
1519                 }
1520         else
1521                 {
1522                 buf[0]='\0';
1523                 if (!batch)
1524                         {
1525                         fgets(buf,sizeof buf,stdin);
1526                         }
1527                 else
1528                         {
1529                         buf[0] = '\n';
1530                         buf[1] = '\0';
1531                         }
1532                 }
1533
1534         if (buf[0] == '\0') return(0);
1535         else if (buf[0] == '\n')
1536                 {
1537                 if ((def == NULL) || (def[0] == '\0'))
1538                         return(1);
1539                 BUF_strlcpy(buf,def,sizeof buf);
1540                 BUF_strlcat(buf,"\n",sizeof buf);
1541                 }
1542         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1543
1544         i=strlen(buf);
1545         if (buf[i-1] != '\n')
1546                 {
1547                 BIO_printf(bio_err,"weird input :-(\n");
1548                 return(0);
1549                 }
1550         buf[--i]='\0';
1551 #ifdef CHARSET_EBCDIC
1552         ebcdic2ascii(buf, buf, i);
1553 #endif
1554         if(!req_check_len(i, n_min, n_max)) goto start;
1555         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1556                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1557         ret=1;
1558 err:
1559         return(ret);
1560         }
1561
1562 static int add_attribute_object(X509_REQ *req, char *text,
1563                                 char *def, char *value, int nid, int n_min,
1564                                 int n_max, unsigned long chtype)
1565         {
1566         int i;
1567         static char buf[1024];
1568
1569 start:
1570         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1571         (void)BIO_flush(bio_err);
1572         if (value != NULL)
1573                 {
1574                 BUF_strlcpy(buf,value,sizeof buf);
1575                 BUF_strlcat(buf,"\n",sizeof buf);
1576                 BIO_printf(bio_err,"%s\n",value);
1577                 }
1578         else
1579                 {
1580                 buf[0]='\0';
1581                 if (!batch)
1582                         {
1583                         fgets(buf,sizeof buf,stdin);
1584                         }
1585                 else
1586                         {
1587                         buf[0] = '\n';
1588                         buf[1] = '\0';
1589                         }
1590                 }
1591
1592         if (buf[0] == '\0') return(0);
1593         else if (buf[0] == '\n')
1594                 {
1595                 if ((def == NULL) || (def[0] == '\0'))
1596                         return(1);
1597                 BUF_strlcpy(buf,def,sizeof buf);
1598                 BUF_strlcat(buf,"\n",sizeof buf);
1599                 }
1600         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1601
1602         i=strlen(buf);
1603         if (buf[i-1] != '\n')
1604                 {
1605                 BIO_printf(bio_err,"weird input :-(\n");
1606                 return(0);
1607                 }
1608         buf[--i]='\0';
1609 #ifdef CHARSET_EBCDIC
1610         ebcdic2ascii(buf, buf, i);
1611 #endif
1612         if(!req_check_len(i, n_min, n_max)) goto start;
1613
1614         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1615                                         (unsigned char *)buf, -1)) {
1616                 BIO_printf(bio_err, "Error adding attribute\n");
1617                 ERR_print_errors(bio_err);
1618                 goto err;
1619         }
1620
1621         return(1);
1622 err:
1623         return(0);
1624         }
1625
1626 #ifndef OPENSSL_NO_RSA
1627 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1628         {
1629         char c='*';
1630
1631         if (p == 0) c='.';
1632         if (p == 1) c='+';
1633         if (p == 2) c='*';
1634         if (p == 3) c='\n';
1635         BIO_write(cb->arg,&c,1);
1636         (void)BIO_flush(cb->arg);
1637 #ifdef LINT
1638         p=n;
1639 #endif
1640         return 1;
1641         }
1642 #endif
1643
1644 static int req_check_len(int len, int n_min, int n_max)
1645         {
1646         if ((n_min > 0) && (len < n_min))
1647                 {
1648                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1649                 return(0);
1650                 }
1651         if ((n_max >= 0) && (len > n_max))
1652                 {
1653                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1654                 return(0);
1655                 }
1656         return(1);
1657         }
1658
1659 /* Check if the end of a string matches 'end' */
1660 static int check_end(char *str, char *end)
1661 {
1662         int elen, slen;
1663         char *tmp;
1664         elen = strlen(end);
1665         slen = strlen(str);
1666         if(elen > slen) return 1;
1667         tmp = str + slen - elen;
1668         return strcmp(tmp, end);
1669 }