crypto/openssl/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 <openssl/bn.h>
  83 #ifndef OPENSSL_NO_RSA
  84 #include <openssl/rsa.h>
  85 #endif
  86 #ifndef OPENSSL_NO_DSA
  87 #include <openssl/dsa.h>
  88 #endif
  89
  90 #define SECTION         "req"
  91
  92 #define BITS            "default_bits"
  93 #define KEYFILE         "default_keyfile"
  94 #define PROMPT          "prompt"
  95 #define DISTINGUISHED_NAME      "distinguished_name"
  96 #define ATTRIBUTES      "attributes"
  97 #define V3_EXTENSIONS   "x509_extensions"
  98 #define REQ_EXTENSIONS  "req_extensions"
  99 #define STRING_MASK     "string_mask"
 100 #define UTF8_IN         "utf8"
 101
 102 #define DEFAULT_KEY_LENGTH      512
 103 #define MIN_KEY_LENGTH          384
 104
 105 #undef PROG
 106 #define PROG    req_main
 107
 108 /* -inform arg  - input format - default PEM (DER or PEM)
 109  * -outform arg - output format - default PEM
 110  * -in arg      - input file - default stdin
 111  * -out arg     - output file - default stdout
 112  * -verify      - check request signature
 113  * -noout       - don't print stuff out.
 114  * -text        - print out human readable text.
 115  * -nodes       - no des encryption
 116  * -config file - Load configuration file.
 117  * -key file    - make a request using key in file (or use it for verification).
 118  * -keyform arg - key file format.
 119  * -rand file(s) - load the file(s) into the PRNG.
 120  * -newkey      - make a key and a request.
 121  * -modulus     - print RSA modulus.
 122  * -pubkey      - output Public Key.
 123  * -x509        - output a self signed X509 structure instead.
 124  * -asn1-kludge - output new certificate request in a format that some CA's
 125  *                require.  This format is wrong
 126  */
 127
 128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
 129                 int attribs,unsigned long chtype);
 130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 131                 int multirdn);
 132 static int prompt_info(X509_REQ *req,
 133                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 134                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 135                 unsigned long chtype);
 136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 137                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 138                                 unsigned long chtype);
 139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
 140                                 char *value, int nid, int n_min,
 141                                 int n_max, unsigned long chtype);
 142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
 143         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 144 #ifndef OPENSSL_NO_RSA
 145 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
 146 #endif
 147 static int req_check_len(int len,int n_min,int n_max);
 148 static int check_end(const char *str, const char *end);
 149 #ifndef MONOLITH
 150 static char *default_config_file=NULL;
 151 #endif
 152 static CONF *req_conf=NULL;
 153 static int batch=0;
 154
 155 #define TYPE_RSA        1
 156 #define TYPE_DSA        2
 157 #define TYPE_DH         3
 158 #define TYPE_EC         4
 159
 160 int MAIN(int, char **);
 161
 162 int MAIN(int argc, char **argv)
 163         {
 164         ENGINE *e = NULL;
 165 #ifndef OPENSSL_NO_DSA
 166         DSA *dsa_params=NULL;
 167 #endif
 168 #ifndef OPENSSL_NO_ECDSA
 169         EC_KEY *ec_params = NULL;
 170 #endif
 171         unsigned long nmflag = 0, reqflag = 0;
 172         int ex=1,x509=0,days=30;
 173         X509 *x509ss=NULL;
 174         X509_REQ *req=NULL;
 175         EVP_PKEY *pkey=NULL;
 176         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 177         long newkey = -1;
 178         BIO *in=NULL,*out=NULL;
 179         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 180         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 181         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 182 #ifndef OPENSSL_NO_ENGINE
 183         char *engine=NULL;
 184 #endif
 185         char *extensions = NULL;
 186         char *req_exts = NULL;
 187         const EVP_CIPHER *cipher=NULL;
 188         ASN1_INTEGER *serial = NULL;
 189         int modulus=0;
 190         char *inrand=NULL;
 191         char *passargin = NULL, *passargout = NULL;
 192         char *passin = NULL, *passout = NULL;
 193         char *p;
 194         char *subj = NULL;
 195         int multirdn = 0;
 196         const EVP_MD *md_alg=NULL,*digest=EVP_sha1();
 197         unsigned long chtype = MBSTRING_ASC;
 198 #ifndef MONOLITH
 199         char *to_free;
 200         long errline;
 201 #endif
 202
 203         req_conf = NULL;
 204 #ifndef OPENSSL_NO_DES
 205         cipher=EVP_des_ede3_cbc();
 206 #endif
 207         apps_startup();
 208
 209         if (bio_err == NULL)
 210                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 211                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 212
 213         infile=NULL;
 214         outfile=NULL;
 215         informat=FORMAT_PEM;
 216         outformat=FORMAT_PEM;
 217
 218         prog=argv[0];
 219         argc--;
 220         argv++;
 221         while (argc >= 1)
 222                 {
 223                 if      (strcmp(*argv,"-inform") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         informat=str2fmt(*(++argv));
 227                         }
 228                 else if (strcmp(*argv,"-outform") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         outformat=str2fmt(*(++argv));
 232                         }
 233 #ifndef OPENSSL_NO_ENGINE
 234                 else if (strcmp(*argv,"-engine") == 0)
 235                         {
 236                         if (--argc < 1) goto bad;
 237                         engine= *(++argv);
 238                         }
 239 #endif
 240                 else if (strcmp(*argv,"-key") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         keyfile= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-pubkey") == 0)
 246                         {
 247                         pubkey=1;
 248                         }
 249                 else if (strcmp(*argv,"-new") == 0)
 250                         {
 251                         newreq=1;
 252                         }
 253                 else if (strcmp(*argv,"-config") == 0)
 254                         {
 255                         if (--argc < 1) goto bad;
 256                         template= *(++argv);
 257                         }
 258                 else if (strcmp(*argv,"-keyform") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         keyform=str2fmt(*(++argv));
 262                         }
 263                 else if (strcmp(*argv,"-in") == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         infile= *(++argv);
 267                         }
 268                 else if (strcmp(*argv,"-out") == 0)
 269                         {
 270                         if (--argc < 1) goto bad;
 271                         outfile= *(++argv);
 272                         }
 273                 else if (strcmp(*argv,"-keyout") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         keyout= *(++argv);
 277                         }
 278                 else if (strcmp(*argv,"-passin") == 0)
 279                         {
 280                         if (--argc < 1) goto bad;
 281                         passargin= *(++argv);
 282                         }
 283                 else if (strcmp(*argv,"-passout") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         passargout= *(++argv);
 287                         }
 288                 else if (strcmp(*argv,"-rand") == 0)
 289                         {
 290                         if (--argc < 1) goto bad;
 291                         inrand= *(++argv);
 292                         }
 293                 else if (strcmp(*argv,"-newkey") == 0)
 294                         {
 295                         int is_numeric;
 296
 297                         if (--argc < 1) goto bad;
 298                         p= *(++argv);
 299                         is_numeric = p[0] >= '0' && p[0] <= '9';
 300                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 301                                 {
 302                                 pkey_type=TYPE_RSA;
 303                                 if(!is_numeric)
 304                                     p+=4;
 305                                 newkey= atoi(p);
 306                                 }
 307                         else
 308 #ifndef OPENSSL_NO_DSA
 309                                 if (strncmp("dsa:",p,4) == 0)
 310                                 {
 311                                 X509 *xtmp=NULL;
 312                                 EVP_PKEY *dtmp;
 313
 314                                 pkey_type=TYPE_DSA;
 315                                 p+=4;
 316                                 if ((in=BIO_new_file(p,"r")) == NULL)
 317                                         {
 318                                         perror(p);
 319                                         goto end;
 320                                         }
 321                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 322                                         {
 323                                         ERR_clear_error();
 324                                         (void)BIO_reset(in);
 325                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 326                                                 {
 327                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 328                                                 goto end;
 329                                                 }
 330
 331                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 332                                         if (dtmp->type == EVP_PKEY_DSA)
 333                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 334                                         EVP_PKEY_free(dtmp);
 335                                         X509_free(xtmp);
 336                                         if (dsa_params == NULL)
 337                                                 {
 338                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 339                                                 goto end;
 340                                                 }
 341                                         }
 342                                 BIO_free(in);
 343                                 in=NULL;
 344                                 newkey=BN_num_bits(dsa_params->p);
 345                                 }
 346                         else
 347 #endif
 348 #ifndef OPENSSL_NO_ECDSA
 349                                 if (strncmp("ec:",p,3) == 0)
 350                                 {
 351                                 X509 *xtmp=NULL;
 352                                 EVP_PKEY *dtmp;
 353                                 EC_GROUP *group;
 354
 355                                 pkey_type=TYPE_EC;
 356                                 p+=3;
 357                                 if ((in=BIO_new_file(p,"r")) == NULL)
 358                                         {
 359                                         perror(p);
 360                                         goto end;
 361                                         }
 362                                 if ((ec_params = EC_KEY_new()) == NULL)
 363                                         goto end;
 364                                 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
 365                                 if (group == NULL)
 366                                         {
 367                                         EC_KEY_free(ec_params);
 368                                         ERR_clear_error();
 369                                         (void)BIO_reset(in);
 370                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 371                                                 {
 372                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 373                                                 goto end;
 374                                                 }
 375
 376                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 377                                                 goto end;
 378                                         if (dtmp->type == EVP_PKEY_EC)
 379                                                 ec_params = EC_KEY_dup(dtmp->pkey.ec);
 380                                         EVP_PKEY_free(dtmp);
 381                                         X509_free(xtmp);
 382                                         if (ec_params == NULL)
 383                                                 {
 384                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 385                                                 goto end;
 386                                                 }
 387                                         }
 388                                 else
 389                                         {
 390                                         if (EC_KEY_set_group(ec_params, group) == 0)
 391                                                 goto end;
 392                                         EC_GROUP_free(group);
 393                                         }
 394
 395                                 BIO_free(in);
 396                                 in=NULL;
 397                                 newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));
 398                                 }
 399                         else
 400 #endif
 401 #ifndef OPENSSL_NO_DH
 402                                 if (strncmp("dh:",p,4) == 0)
 403                                 {
 404                                 pkey_type=TYPE_DH;
 405                                 p+=3;
 406                                 }
 407                         else
 408 #endif
 409                                 {
 410                                 goto bad;
 411                                 }
 412
 413                         newreq=1;
 414                         }
 415                 else if (strcmp(*argv,"-batch") == 0)
 416                         batch=1;
 417                 else if (strcmp(*argv,"-newhdr") == 0)
 418                         newhdr=1;
 419                 else if (strcmp(*argv,"-modulus") == 0)
 420                         modulus=1;
 421                 else if (strcmp(*argv,"-verify") == 0)
 422                         verify=1;
 423                 else if (strcmp(*argv,"-nodes") == 0)
 424                         nodes=1;
 425                 else if (strcmp(*argv,"-noout") == 0)
 426                         noout=1;
 427                 else if (strcmp(*argv,"-verbose") == 0)
 428                         verbose=1;
 429                 else if (strcmp(*argv,"-utf8") == 0)
 430                         chtype = MBSTRING_UTF8;
 431                 else if (strcmp(*argv,"-nameopt") == 0)
 432                         {
 433                         if (--argc < 1) goto bad;
 434                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 435                         }
 436                 else if (strcmp(*argv,"-reqopt") == 0)
 437                         {
 438                         if (--argc < 1) goto bad;
 439                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 440                         }
 441                 else if (strcmp(*argv,"-subject") == 0)
 442                         subject=1;
 443                 else if (strcmp(*argv,"-text") == 0)
 444                         text=1;
 445                 else if (strcmp(*argv,"-x509") == 0)
 446                         x509=1;
 447                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 448                         kludge=1;
 449                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 450                         kludge=0;
 451                 else if (strcmp(*argv,"-subj") == 0)
 452                         {
 453                         if (--argc < 1) goto bad;
 454                         subj= *(++argv);
 455                         }
 456                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
 457                         multirdn=1;
 458                 else if (strcmp(*argv,"-days") == 0)
 459                         {
 460                         if (--argc < 1) goto bad;
 461                         days= atoi(*(++argv));
 462                         if (days == 0) days=30;
 463                         }
 464                 else if (strcmp(*argv,"-set_serial") == 0)
 465                         {
 466                         if (--argc < 1) goto bad;
 467                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 468                         if (!serial) goto bad;
 469                         }
 470                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 471                         {
 472                         /* ok */
 473                         digest=md_alg;
 474                         }
 475                 else if (strcmp(*argv,"-extensions") == 0)
 476                         {
 477                         if (--argc < 1) goto bad;
 478                         extensions = *(++argv);
 479                         }
 480                 else if (strcmp(*argv,"-reqexts") == 0)
 481                         {
 482                         if (--argc < 1) goto bad;
 483                         req_exts = *(++argv);
 484                         }
 485                 else
 486                         {
 487                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 488                         badops=1;
 489                         break;
 490                         }
 491                 argc--;
 492                 argv++;
 493                 }
 494
 495         if (badops)
 496                 {
 497 bad:
 498                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 499                 BIO_printf(bio_err,"where options  are\n");
 500                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 501                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 502                 BIO_printf(bio_err," -in arg        input file\n");
 503                 BIO_printf(bio_err," -out arg       output file\n");
 504                 BIO_printf(bio_err," -text          text form of request\n");
 505                 BIO_printf(bio_err," -pubkey        output public key\n");
 506                 BIO_printf(bio_err," -noout         do not output REQ\n");
 507                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 508                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 509                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 510 #ifndef OPENSSL_NO_ENGINE
 511                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 512 #endif
 513                 BIO_printf(bio_err," -subject       output the request's subject\n");
 514                 BIO_printf(bio_err," -passin        private key password source\n");
 515                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 516                 BIO_printf(bio_err," -keyform arg   key file format\n");
 517                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 518                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 519                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 520                 BIO_printf(bio_err,"                the random number generator\n");
 521                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 522                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 523 #ifndef OPENSSL_NO_ECDSA
 524                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 525 #endif
 526                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 527                 BIO_printf(bio_err," -config file   request template file.\n");
 528                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 529                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
 530                 BIO_printf(bio_err," -new           new request.\n");
 531                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 532                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 533                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 534                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 535                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 536                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 537                 BIO_printf(bio_err,"                have been reported as requiring\n");
 538                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 539                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 540                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 541                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 542                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 543                 goto end;
 544                 }
 545
 546         ERR_load_crypto_strings();
 547         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 548                 BIO_printf(bio_err, "Error getting passwords\n");
 549                 goto end;
 550         }
 551
 552 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 553         /* Lets load up our environment a little */
 554         p=getenv("OPENSSL_CONF");
 555         if (p == NULL)
 556                 p=getenv("SSLEAY_CONF");
 557         if (p == NULL)
 558                 p=to_free=make_config_name();
 559         default_config_file=p;
 560         config=NCONF_new(NULL);
 561         i=NCONF_load(config, p, &errline);
 562 #endif
 563
 564         if (template != NULL)
 565                 {
 566                 long errline = -1;
 567
 568                 if( verbose )
 569                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 570                 req_conf=NCONF_new(NULL);
 571                 i=NCONF_load(req_conf,template,&errline);
 572                 if (i == 0)
 573                         {
 574                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 575                         goto end;
 576                         }
 577                 }
 578         else
 579                 {
 580                 req_conf=config;
 581
 582                 if (req_conf == NULL)
 583                         {
 584                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 585                         if (newreq)
 586                                 goto end;
 587                         }
 588                 else if( verbose )
 589                         BIO_printf(bio_err,"Using configuration from %s\n",
 590                         default_config_file);
 591                 }
 592
 593         if (req_conf != NULL)
 594                 {
 595                 if (!load_config(bio_err, req_conf))
 596                         goto end;
 597                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 598                 if (p == NULL)
 599                         ERR_clear_error();
 600                 if (p != NULL)
 601                         {
 602                         BIO *oid_bio;
 603
 604                         oid_bio=BIO_new_file(p,"r");
 605                         if (oid_bio == NULL)
 606                                 {
 607                                 /*
 608                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 609                                 ERR_print_errors(bio_err);
 610                                 */
 611                                 }
 612                         else
 613                                 {
 614                                 OBJ_create_objects(oid_bio);
 615                                 BIO_free(oid_bio);
 616                                 }
 617                         }
 618                 }
 619         if(!add_oid_section(bio_err, req_conf)) goto end;
 620
 621         if (md_alg == NULL)
 622                 {
 623                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 624                 if (p == NULL)
 625                         ERR_clear_error();
 626                 if (p != NULL)
 627                         {
 628                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 629                                 digest=md_alg;
 630                         }
 631                 }
 632
 633         if (!extensions)
 634                 {
 635                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 636                 if (!extensions)
 637                         ERR_clear_error();
 638                 }
 639         if (extensions) {
 640                 /* Check syntax of file */
 641                 X509V3_CTX ctx;
 642                 X509V3_set_ctx_test(&ctx);
 643                 X509V3_set_nconf(&ctx, req_conf);
 644                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 645                         BIO_printf(bio_err,
 646                          "Error Loading extension section %s\n", extensions);
 647                         goto end;
 648                 }
 649         }
 650
 651         if(!passin)
 652                 {
 653                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 654                 if (!passin)
 655                         ERR_clear_error();
 656                 }
 657
 658         if(!passout)
 659                 {
 660                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 661                 if (!passout)
 662                         ERR_clear_error();
 663                 }
 664
 665         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 666         if (!p)
 667                 ERR_clear_error();
 668
 669         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 670                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 671                 goto end;
 672         }
 673
 674         if (chtype != MBSTRING_UTF8)
 675                 {
 676                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 677                 if (!p)
 678                         ERR_clear_error();
 679                 else if (!strcmp(p, "yes"))
 680                         chtype = MBSTRING_UTF8;
 681                 }
 682
 683
 684         if(!req_exts)
 685                 {
 686                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 687                 if (!req_exts)
 688                         ERR_clear_error();
 689                 }
 690         if(req_exts) {
 691                 /* Check syntax of file */
 692                 X509V3_CTX ctx;
 693                 X509V3_set_ctx_test(&ctx);
 694                 X509V3_set_nconf(&ctx, req_conf);
 695                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 696                         BIO_printf(bio_err,
 697                          "Error Loading request extension section %s\n",
 698                                                                 req_exts);
 699                         goto end;
 700                 }
 701         }
 702
 703         in=BIO_new(BIO_s_file());
 704         out=BIO_new(BIO_s_file());
 705         if ((in == NULL) || (out == NULL))
 706                 goto end;
 707
 708 #ifndef OPENSSL_NO_ENGINE
 709         e = setup_engine(bio_err, engine, 0);
 710 #endif
 711
 712         if (keyfile != NULL)
 713                 {
 714                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 715                         "Private Key");
 716                 if (!pkey)
 717                         {
 718                         /* load_key() has already printed an appropriate
 719                            message */
 720                         goto end;
 721                         }
 722                 else
 723                         {
 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                         }
 729                 }
 730
 731         if (newreq && (pkey == NULL))
 732                 {
 733 #ifndef OPENSSL_NO_RSA
 734                 BN_GENCB cb;
 735 #endif
 736                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 737                 if (randfile == NULL)
 738                         ERR_clear_error();
 739                 app_RAND_load_file(randfile, bio_err, 0);
 740                 if (inrand)
 741                         app_RAND_load_files(inrand);
 742
 743                 if (newkey <= 0)
 744                         {
 745                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 746                                 newkey=DEFAULT_KEY_LENGTH;
 747                         }
 748
 749                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 750                         {
 751                         BIO_printf(bio_err,"private key length is too short,\n");
 752                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 753                         goto end;
 754                         }
 755                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 756                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 757                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 758
 759                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 760
 761 #ifndef OPENSSL_NO_RSA
 762                 BN_GENCB_set(&cb, req_cb, bio_err);
 763                 if (pkey_type == TYPE_RSA)
 764                         {
 765                         RSA *rsa = RSA_new();
 766                         BIGNUM *bn = BN_new();
 767                         if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
 768                                         !RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
 769                                         !EVP_PKEY_assign_RSA(pkey, rsa))
 770                                 {
 771                                 if(bn) BN_free(bn);
 772                                 if(rsa) RSA_free(rsa);
 773                                 goto end;
 774                                 }
 775                         BN_free(bn);
 776                         }
 777                 else
 778 #endif
 779 #ifndef OPENSSL_NO_DSA
 780                         if (pkey_type == TYPE_DSA)
 781                         {
 782                         if (!DSA_generate_key(dsa_params)) goto end;
 783                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 784                         dsa_params=NULL;
 785                         }
 786 #endif
 787 #ifndef OPENSSL_NO_ECDSA
 788                         if (pkey_type == TYPE_EC)
 789                         {
 790                         if (!EC_KEY_generate_key(ec_params)) goto end;
 791                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 792                                 goto end;
 793                         ec_params = NULL;
 794                         }
 795 #endif
 796
 797                 app_RAND_write_file(randfile, bio_err);
 798
 799                 if (pkey == NULL) goto end;
 800
 801                 if (keyout == NULL)
 802                         {
 803                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 804                         if (keyout == NULL)
 805                                 ERR_clear_error();
 806                         }
 807
 808                 if (keyout == NULL)
 809                         {
 810                         BIO_printf(bio_err,"writing new private key to stdout\n");
 811                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 812 #ifdef OPENSSL_SYS_VMS
 813                         {
 814                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 815                         out = BIO_push(tmpbio, out);
 816                         }
 817 #endif
 818                         }
 819                 else
 820                         {
 821                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 822                         if (BIO_write_filename(out,keyout) <= 0)
 823                                 {
 824                                 perror(keyout);
 825                                 goto end;
 826                                 }
 827                         }
 828
 829                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 830                 if (p == NULL)
 831                         {
 832                         ERR_clear_error();
 833                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 834                         if (p == NULL)
 835                                 ERR_clear_error();
 836                         }
 837                 if ((p != NULL) && (strcmp(p,"no") == 0))
 838                         cipher=NULL;
 839                 if (nodes) cipher=NULL;
 840
 841                 i=0;
 842 loop:
 843                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 844                         NULL,0,NULL,passout))
 845                         {
 846                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 847                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 848                                 {
 849                                 ERR_clear_error();
 850                                 i++;
 851                                 goto loop;
 852                                 }
 853                         goto end;
 854                         }
 855                 BIO_printf(bio_err,"-----\n");
 856                 }
 857
 858         if (!newreq)
 859                 {
 860                 /* Since we are using a pre-existing certificate
 861                  * request, the kludge 'format' info should not be
 862                  * changed. */
 863                 kludge= -1;
 864                 if (infile == NULL)
 865                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 866                 else
 867                         {
 868                         if (BIO_read_filename(in,infile) <= 0)
 869                                 {
 870                                 perror(infile);
 871                                 goto end;
 872                                 }
 873                         }
 874
 875                 if      (informat == FORMAT_ASN1)
 876                         req=d2i_X509_REQ_bio(in,NULL);
 877                 else if (informat == FORMAT_PEM)
 878                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 879                 else
 880                         {
 881                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 882                         goto end;
 883                         }
 884                 if (req == NULL)
 885                         {
 886                         BIO_printf(bio_err,"unable to load X509 request\n");
 887                         goto end;
 888                         }
 889                 }
 890
 891         if (newreq || x509)
 892                 {
 893                 if (pkey == NULL)
 894                         {
 895                         BIO_printf(bio_err,"you need to specify a private key\n");
 896                         goto end;
 897                         }
 898 #ifndef OPENSSL_NO_DSA
 899                 if (pkey->type == EVP_PKEY_DSA)
 900                         digest=EVP_dss1();
 901 #endif
 902 #ifndef OPENSSL_NO_ECDSA
 903                 if (pkey->type == EVP_PKEY_EC)
 904                         digest=EVP_ecdsa();
 905 #endif
 906                 if (req == NULL)
 907                         {
 908                         req=X509_REQ_new();
 909                         if (req == NULL)
 910                                 {
 911                                 goto end;
 912                                 }
 913
 914                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 915                         subj=NULL; /* done processing '-subj' option */
 916                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 917                                 {
 918                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 919                                 req->req_info->attributes = NULL;
 920                                 }
 921                         if (!i)
 922                                 {
 923                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 924                                 goto end;
 925                                 }
 926                         }
 927                 if (x509)
 928                         {
 929                         EVP_PKEY *tmppkey;
 930                         X509V3_CTX ext_ctx;
 931                         if ((x509ss=X509_new()) == NULL) goto end;
 932
 933                         /* Set version to V3 */
 934                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 935                         if (serial)
 936                                 {
 937                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 938                                 }
 939                         else
 940                                 {
 941                                 if (!rand_serial(NULL,
 942                                         X509_get_serialNumber(x509ss)))
 943                                                 goto end;
 944                                 }
 945
 946                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 947                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 948                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 949                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 950                         tmppkey = X509_REQ_get_pubkey(req);
 951                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 952                         EVP_PKEY_free(tmppkey);
 953
 954                         /* Set up V3 context struct */
 955
 956                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 957                         X509V3_set_nconf(&ext_ctx, req_conf);
 958
 959                         /* Add extensions */
 960                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 961                                         &ext_ctx, extensions, x509ss))
 962                                 {
 963                                 BIO_printf(bio_err,
 964                                         "Error Loading extension section %s\n",
 965                                         extensions);
 966                                 goto end;
 967                                 }
 968
 969                         if (!(i=X509_sign(x509ss,pkey,digest)))
 970                                 goto end;
 971                         }
 972                 else
 973                         {
 974                         X509V3_CTX ext_ctx;
 975
 976                         /* Set up V3 context struct */
 977
 978                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 979                         X509V3_set_nconf(&ext_ctx, req_conf);
 980
 981                         /* Add extensions */
 982                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 983                                         &ext_ctx, req_exts, req))
 984                                 {
 985                                 BIO_printf(bio_err,
 986                                         "Error Loading extension section %s\n",
 987                                         req_exts);
 988                                 goto end;
 989                                 }
 990                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 991                                 goto end;
 992                         }
 993                 }
 994
 995         if (subj && x509)
 996                 {
 997                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 998                 goto end;
 999                 }
1000
1001         if (subj && !x509)
1002                 {
1003                 if (verbose)
1004                         {
1005                         BIO_printf(bio_err, "Modifying Request's Subject\n");
1006                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
1007                         }
1008
1009                 if (build_subject(req, subj, chtype, multirdn) == 0)
1010                         {
1011                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
1012                         ex=1;
1013                         goto end;
1014                         }
1015
1016                 req->req_info->enc.modified = 1;
1017
1018                 if (verbose)
1019                         {
1020                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1021                         }
1022                 }
1023
1024         if (verify && !x509)
1025                 {
1026                 int tmp=0;
1027
1028                 if (pkey == NULL)
1029                         {
1030                         pkey=X509_REQ_get_pubkey(req);
1031                         tmp=1;
1032                         if (pkey == NULL) goto end;
1033                         }
1034
1035                 i=X509_REQ_verify(req,pkey);
1036                 if (tmp) {
1037                         EVP_PKEY_free(pkey);
1038                         pkey=NULL;
1039                 }
1040
1041                 if (i < 0)
1042                         {
1043                         goto end;
1044                         }
1045                 else if (i == 0)
1046                         {
1047                         BIO_printf(bio_err,"verify failure\n");
1048                         ERR_print_errors(bio_err);
1049                         }
1050                 else /* if (i > 0) */
1051                         BIO_printf(bio_err,"verify OK\n");
1052                 }
1053
1054         if (noout && !text && !modulus && !subject && !pubkey)
1055                 {
1056                 ex=0;
1057                 goto end;
1058                 }
1059
1060         if (outfile == NULL)
1061                 {
1062                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1063 #ifdef OPENSSL_SYS_VMS
1064                 {
1065                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1066                 out = BIO_push(tmpbio, out);
1067                 }
1068 #endif
1069                 }
1070         else
1071                 {
1072                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1073                         i=(int)BIO_append_filename(out,outfile);
1074                 else
1075                         i=(int)BIO_write_filename(out,outfile);
1076                 if (!i)
1077                         {
1078                         perror(outfile);
1079                         goto end;
1080                         }
1081                 }
1082
1083         if (pubkey)
1084                 {
1085                 EVP_PKEY *tpubkey;
1086                 tpubkey=X509_REQ_get_pubkey(req);
1087                 if (tpubkey == NULL)
1088                         {
1089                         BIO_printf(bio_err,"Error getting public key\n");
1090                         ERR_print_errors(bio_err);
1091                         goto end;
1092                         }
1093                 PEM_write_bio_PUBKEY(out, tpubkey);
1094                 EVP_PKEY_free(tpubkey);
1095                 }
1096
1097         if (text)
1098                 {
1099                 if (x509)
1100                         X509_print_ex(out, x509ss, nmflag, reqflag);
1101                 else
1102                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1103                 }
1104
1105         if(subject)
1106                 {
1107                 if(x509)
1108                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1109                 else
1110                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1111                 }
1112
1113         if (modulus)
1114                 {
1115                 EVP_PKEY *tpubkey;
1116
1117                 if (x509)
1118                         tpubkey=X509_get_pubkey(x509ss);
1119                 else
1120                         tpubkey=X509_REQ_get_pubkey(req);
1121                 if (tpubkey == NULL)
1122                         {
1123                         fprintf(stdout,"Modulus=unavailable\n");
1124                         goto end;
1125                         }
1126                 fprintf(stdout,"Modulus=");
1127 #ifndef OPENSSL_NO_RSA
1128                 if (tpubkey->type == EVP_PKEY_RSA)
1129                         BN_print(out,tpubkey->pkey.rsa->n);
1130                 else
1131 #endif
1132                         fprintf(stdout,"Wrong Algorithm type");
1133                 EVP_PKEY_free(tpubkey);
1134                 fprintf(stdout,"\n");
1135                 }
1136
1137         if (!noout && !x509)
1138                 {
1139                 if      (outformat == FORMAT_ASN1)
1140                         i=i2d_X509_REQ_bio(out,req);
1141                 else if (outformat == FORMAT_PEM) {
1142                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1143                         else i=PEM_write_bio_X509_REQ(out,req);
1144                 } else {
1145                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1146                         goto end;
1147                         }
1148                 if (!i)
1149                         {
1150                         BIO_printf(bio_err,"unable to write X509 request\n");
1151                         goto end;
1152                         }
1153                 }
1154         if (!noout && x509 && (x509ss != NULL))
1155                 {
1156                 if      (outformat == FORMAT_ASN1)
1157                         i=i2d_X509_bio(out,x509ss);
1158                 else if (outformat == FORMAT_PEM)
1159                         i=PEM_write_bio_X509(out,x509ss);
1160                 else    {
1161                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1162                         goto end;
1163                         }
1164                 if (!i)
1165                         {
1166                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1167                         goto end;
1168                         }
1169                 }
1170         ex=0;
1171 end:
1172 #ifndef MONOLITH
1173         if(to_free)
1174                 OPENSSL_free(to_free);
1175 #endif
1176         if (ex)
1177                 {
1178                 ERR_print_errors(bio_err);
1179                 }
1180         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1181         BIO_free(in);
1182         BIO_free_all(out);
1183         EVP_PKEY_free(pkey);
1184         X509_REQ_free(req);
1185         X509_free(x509ss);
1186         ASN1_INTEGER_free(serial);
1187         if(passargin && passin) OPENSSL_free(passin);
1188         if(passargout && passout) OPENSSL_free(passout);
1189         OBJ_cleanup();
1190 #ifndef OPENSSL_NO_DSA
1191         if (dsa_params != NULL) DSA_free(dsa_params);
1192 #endif
1193 #ifndef OPENSSL_NO_ECDSA
1194         if (ec_params != NULL) EC_KEY_free(ec_params);
1195 #endif
1196         apps_shutdown();
1197         OPENSSL_EXIT(ex);
1198         }
1199
1200 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1201                         int attribs, unsigned long chtype)
1202         {
1203         int ret=0,i;
1204         char no_prompt = 0;
1205         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1206         char *tmp, *dn_sect,*attr_sect;
1207
1208         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1209         if (tmp == NULL)
1210                 ERR_clear_error();
1211         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1212
1213         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1214         if (dn_sect == NULL)
1215                 {
1216                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1217                         DISTINGUISHED_NAME);
1218                 goto err;
1219                 }
1220         dn_sk=NCONF_get_section(req_conf,dn_sect);
1221         if (dn_sk == NULL)
1222                 {
1223                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1224                 goto err;
1225                 }
1226
1227         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1228         if (attr_sect == NULL)
1229                 {
1230                 ERR_clear_error();
1231                 attr_sk=NULL;
1232                 }
1233         else
1234                 {
1235                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1236                 if (attr_sk == NULL)
1237                         {
1238                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1239                         goto err;
1240                         }
1241                 }
1242
1243         /* setup version number */
1244         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1245
1246         if (no_prompt)
1247                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1248         else
1249                 {
1250                 if (subj)
1251                         i = build_subject(req, subj, chtype, multirdn);
1252                 else
1253                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1254                 }
1255         if(!i) goto err;
1256
1257         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1258
1259         ret=1;
1260 err:
1261         return(ret);
1262         }
1263
1264 /*
1265  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1266  * where characters may be escaped by \
1267  */
1268 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1269         {
1270         X509_NAME *n;
1271
1272         if (!(n = parse_name(subject, chtype, multirdn)))
1273                 return 0;
1274
1275         if (!X509_REQ_set_subject_name(req, n))
1276                 {
1277                 X509_NAME_free(n);
1278                 return 0;
1279                 }
1280         X509_NAME_free(n);
1281         return 1;
1282 }
1283
1284
1285 static int prompt_info(X509_REQ *req,
1286                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1287                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1288                 unsigned long chtype)
1289         {
1290         int i;
1291         char *p,*q;
1292         char buf[100];
1293         int nid, mval;
1294         long n_min,n_max;
1295         char *type, *value;
1296         const char *def;
1297         CONF_VALUE *v;
1298         X509_NAME *subj;
1299         subj = X509_REQ_get_subject_name(req);
1300
1301         if(!batch)
1302                 {
1303                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1304                 BIO_printf(bio_err,"into your certificate request.\n");
1305                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1306                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1307                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1308                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1309                 BIO_printf(bio_err,"-----\n");
1310                 }
1311
1312
1313         if (sk_CONF_VALUE_num(dn_sk))
1314                 {
1315                 i= -1;
1316 start:          for (;;)
1317                         {
1318                         i++;
1319                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1320
1321                         v=sk_CONF_VALUE_value(dn_sk,i);
1322                         p=q=NULL;
1323                         type=v->name;
1324                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1325                                 !check_end(type,"_default") ||
1326                                          !check_end(type,"_value")) continue;
1327                         /* Skip past any leading X. X: X, etc to allow for
1328                          * multiple instances
1329                          */
1330                         for(p = v->name; *p ; p++)
1331                                 if ((*p == ':') || (*p == ',') ||
1332                                                          (*p == '.')) {
1333                                         p++;
1334                                         if(*p) type = p;
1335                                         break;
1336                                 }
1337                         if (*type == '+')
1338                                 {
1339                                 mval = -1;
1340                                 type++;
1341                                 }
1342                         else
1343                                 mval = 0;
1344                         /* If OBJ not recognised ignore it */
1345                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1346                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1347                                 >= (int)sizeof(buf))
1348                            {
1349                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1350                            return 0;
1351                            }
1352
1353                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1354                                 {
1355                                 ERR_clear_error();
1356                                 def="";
1357                                 }
1358
1359                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1360                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1361                                 {
1362                                 ERR_clear_error();
1363                                 value=NULL;
1364                                 }
1365
1366                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1367                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1368                                 {
1369                                 ERR_clear_error();
1370                                 n_min = -1;
1371                                 }
1372
1373                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1374                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1375                                 {
1376                                 ERR_clear_error();
1377                                 n_max = -1;
1378                                 }
1379
1380                         if (!add_DN_object(subj,v->value,def,value,nid,
1381                                 n_min,n_max, chtype, mval))
1382                                 return 0;
1383                         }
1384                 if (X509_NAME_entry_count(subj) == 0)
1385                         {
1386                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1387                         return 0;
1388                         }
1389
1390                 if (attribs)
1391                         {
1392                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1393                                 {
1394                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1395                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1396                                 }
1397
1398                         i= -1;
1399 start2:                 for (;;)
1400                                 {
1401                                 i++;
1402                                 if ((attr_sk == NULL) ||
1403                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1404                                         break;
1405
1406                                 v=sk_CONF_VALUE_value(attr_sk,i);
1407                                 type=v->name;
1408                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1409                                         goto start2;
1410
1411                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1412                                         >= (int)sizeof(buf))
1413                                    {
1414                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1415                                    return 0;
1416                                    }
1417
1418                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1419                                         == NULL)
1420                                         {
1421                                         ERR_clear_error();
1422                                         def="";
1423                                         }
1424
1425
1426                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1427                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1428                                         == NULL)
1429                                         {
1430                                         ERR_clear_error();
1431                                         value=NULL;
1432                                         }
1433
1434                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1435                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1436                                         n_min = -1;
1437
1438                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1439                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1440                                         n_max = -1;
1441
1442                                 if (!add_attribute_object(req,
1443                                         v->value,def,value,nid,n_min,n_max, chtype))
1444                                         return 0;
1445                                 }
1446                         }
1447                 }
1448         else
1449                 {
1450                 BIO_printf(bio_err,"No template, please set one up.\n");
1451                 return 0;
1452                 }
1453
1454         return 1;
1455
1456         }
1457
1458 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1459                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1460         {
1461         int i;
1462         char *p,*q;
1463         char *type;
1464         CONF_VALUE *v;
1465         X509_NAME *subj;
1466
1467         subj = X509_REQ_get_subject_name(req);
1468
1469         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1470                 {
1471                 int mval;
1472                 v=sk_CONF_VALUE_value(dn_sk,i);
1473                 p=q=NULL;
1474                 type=v->name;
1475                 /* Skip past any leading X. X: X, etc to allow for
1476                  * multiple instances
1477                  */
1478                 for(p = v->name; *p ; p++)
1479 #ifndef CHARSET_EBCDIC
1480                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1481 #else
1482                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1483 #endif
1484                                 p++;
1485                                 if(*p) type = p;
1486                                 break;
1487                         }
1488 #ifndef CHARSET_EBCDIC
1489                 if (*p == '+')
1490 #else
1491                 if (*p == os_toascii['+'])
1492 #endif
1493                         {
1494                         p++;
1495                         mval = -1;
1496                         }
1497                 else
1498                         mval = 0;
1499                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1500                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1501
1502                 }
1503
1504                 if (!X509_NAME_entry_count(subj))
1505                         {
1506                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1507                         return 0;
1508                         }
1509                 if (attribs)
1510                         {
1511                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1512                                 {
1513                                 v=sk_CONF_VALUE_value(attr_sk,i);
1514                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1515                                         (unsigned char *)v->value, -1)) return 0;
1516                                 }
1517                         }
1518         return 1;
1519         }
1520
1521
1522 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1523              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1524         {
1525         int i,ret=0;
1526         MS_STATIC char buf[1024];
1527 start:
1528         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1529         (void)BIO_flush(bio_err);
1530         if(value != NULL)
1531                 {
1532                 BUF_strlcpy(buf,value,sizeof buf);
1533                 BUF_strlcat(buf,"\n",sizeof buf);
1534                 BIO_printf(bio_err,"%s\n",value);
1535                 }
1536         else
1537                 {
1538                 buf[0]='\0';
1539                 if (!batch)
1540                         {
1541                         fgets(buf,sizeof buf,stdin);
1542                         }
1543                 else
1544                         {
1545                         buf[0] = '\n';
1546                         buf[1] = '\0';
1547                         }
1548                 }
1549
1550         if (buf[0] == '\0') return(0);
1551         else if (buf[0] == '\n')
1552                 {
1553                 if ((def == NULL) || (def[0] == '\0'))
1554                         return(1);
1555                 BUF_strlcpy(buf,def,sizeof buf);
1556                 BUF_strlcat(buf,"\n",sizeof buf);
1557                 }
1558         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1559
1560         i=strlen(buf);
1561         if (buf[i-1] != '\n')
1562                 {
1563                 BIO_printf(bio_err,"weird input :-(\n");
1564                 return(0);
1565                 }
1566         buf[--i]='\0';
1567 #ifdef CHARSET_EBCDIC
1568         ebcdic2ascii(buf, buf, i);
1569 #endif
1570         if(!req_check_len(i, n_min, n_max)) goto start;
1571         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1572                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1573         ret=1;
1574 err:
1575         return(ret);
1576         }
1577
1578 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1579                                 char *value, int nid, int n_min,
1580                                 int n_max, unsigned long chtype)
1581         {
1582         int i;
1583         static char buf[1024];
1584
1585 start:
1586         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1587         (void)BIO_flush(bio_err);
1588         if (value != NULL)
1589                 {
1590                 BUF_strlcpy(buf,value,sizeof buf);
1591                 BUF_strlcat(buf,"\n",sizeof buf);
1592                 BIO_printf(bio_err,"%s\n",value);
1593                 }
1594         else
1595                 {
1596                 buf[0]='\0';
1597                 if (!batch)
1598                         {
1599                         fgets(buf,sizeof buf,stdin);
1600                         }
1601                 else
1602                         {
1603                         buf[0] = '\n';
1604                         buf[1] = '\0';
1605                         }
1606                 }
1607
1608         if (buf[0] == '\0') return(0);
1609         else if (buf[0] == '\n')
1610                 {
1611                 if ((def == NULL) || (def[0] == '\0'))
1612                         return(1);
1613                 BUF_strlcpy(buf,def,sizeof buf);
1614                 BUF_strlcat(buf,"\n",sizeof buf);
1615                 }
1616         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1617
1618         i=strlen(buf);
1619         if (buf[i-1] != '\n')
1620                 {
1621                 BIO_printf(bio_err,"weird input :-(\n");
1622                 return(0);
1623                 }
1624         buf[--i]='\0';
1625 #ifdef CHARSET_EBCDIC
1626         ebcdic2ascii(buf, buf, i);
1627 #endif
1628         if(!req_check_len(i, n_min, n_max)) goto start;
1629
1630         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1631                                         (unsigned char *)buf, -1)) {
1632                 BIO_printf(bio_err, "Error adding attribute\n");
1633                 ERR_print_errors(bio_err);
1634                 goto err;
1635         }
1636
1637         return(1);
1638 err:
1639         return(0);
1640         }
1641
1642 #ifndef OPENSSL_NO_RSA
1643 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1644         {
1645         char c='*';
1646
1647         if (p == 0) c='.';
1648         if (p == 1) c='+';
1649         if (p == 2) c='*';
1650         if (p == 3) c='\n';
1651         BIO_write(cb->arg,&c,1);
1652         (void)BIO_flush(cb->arg);
1653 #ifdef LINT
1654         p=n;
1655 #endif
1656         return 1;
1657         }
1658 #endif
1659
1660 static int req_check_len(int len, int n_min, int n_max)
1661         {
1662         if ((n_min > 0) && (len < n_min))
1663                 {
1664                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1665                 return(0);
1666                 }
1667         if ((n_max >= 0) && (len > n_max))
1668                 {
1669                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1670                 return(0);
1671                 }
1672         return(1);
1673         }
1674
1675 /* Check if the end of a string matches 'end' */
1676 static int check_end(const char *str, const char *end)
1677 {
1678         int elen, slen;
1679         const char *tmp;
1680         elen = strlen(end);
1681         slen = strlen(str);
1682         if(elen > slen) return 1;
1683         tmp = str + slen - elen;
1684         return strcmp(tmp, end);
1685 }