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 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/evp.h>
  69 #include <openssl/conf.h>
  70 #include <openssl/err.h>
  71 #include <openssl/asn1.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define PROMPT          "prompt"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85 #define REQ_EXTENSIONS  "req_extensions"
  86 #define STRING_MASK     "string_mask"
  87 #define UTF8_IN         "utf8"
  88
  89 #define DEFAULT_KEY_LENGTH      512
  90 #define MIN_KEY_LENGTH          384
  91
  92 #undef PROG
  93 #define PROG    req_main
  94
  95 /* -inform arg  - input format - default PEM (DER or PEM)
  96  * -outform arg - output format - default PEM
  97  * -in arg      - input file - default stdin
  98  * -out arg     - output file - default stdout
  99  * -verify      - check request signature
 100  * -noout       - don't print stuff out.
 101  * -text        - print out human readable text.
 102  * -nodes       - no des encryption
 103  * -config file - Load configuration file.
 104  * -key file    - make a request using key in file (or use it for verification).
 105  * -keyform arg - key file format.
 106  * -rand file(s) - load the file(s) into the PRNG.
 107  * -newkey      - make a key and a request.
 108  * -modulus     - print RSA modulus.
 109  * -pubkey      - output Public Key.
 110  * -x509        - output a self signed X509 structure instead.
 111  * -asn1-kludge - output new certificate request in a format that some CA's
 112  *                require.  This format is wrong
 113  */
 114
 115 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 116                 unsigned long chtype);
 117 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 118 static int prompt_info(X509_REQ *req,
 119                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 120                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 121                 unsigned long chtype);
 122 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 123                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 124                                 unsigned long chtype);
 125 static int add_attribute_object(X509_REQ *req, char *text,
 126                                 char *def, char *value, int nid, int n_min,
 127                                 int n_max, unsigned long chtype);
 128 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 129         int nid,int n_min,int n_max, unsigned long chtype);
 130 #ifndef OPENSSL_NO_RSA
 131 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 132 #endif
 133 static int req_check_len(int len,int n_min,int n_max);
 134 static int check_end(char *str, char *end);
 135 #ifndef MONOLITH
 136 static char *default_config_file=NULL;
 137 static CONF *config=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145 #define TYPE_EC         4
 146
 147 int MAIN(int, char **);
 148
 149 int MAIN(int argc, char **argv)
 150         {
 151         ENGINE *e = NULL;
 152 #ifndef OPENSSL_NO_DSA
 153         DSA *dsa_params=NULL;
 154 #endif
 155 #ifndef OPENSSL_NO_ECDSA
 156         EC_KEY *ec_params = NULL;
 157 #endif
 158         unsigned long nmflag = 0;
 159         int ex=1,x509=0,days=30;
 160         X509 *x509ss=NULL;
 161         X509_REQ *req=NULL;
 162         EVP_PKEY *pkey=NULL;
 163         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 164         long newkey = -1;
 165         BIO *in=NULL,*out=NULL;
 166         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 167         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 168         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 169         char *engine=NULL;
 170         char *extensions = NULL;
 171         char *req_exts = NULL;
 172         const EVP_CIPHER *cipher=NULL;
 173         ASN1_INTEGER *serial = NULL;
 174         int modulus=0;
 175         char *inrand=NULL;
 176         char *passargin = NULL, *passargout = NULL;
 177         char *passin = NULL, *passout = NULL;
 178         char *p;
 179         char *subj = NULL;
 180         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 181         unsigned long chtype = MBSTRING_ASC;
 182 #ifndef MONOLITH
 183         MS_STATIC char config_name[256];
 184         long errline;
 185 #endif
 186
 187         req_conf = NULL;
 188 #ifndef OPENSSL_NO_DES
 189         cipher=EVP_des_ede3_cbc();
 190 #endif
 191         apps_startup();
 192
 193         if (bio_err == NULL)
 194                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 195                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 196
 197         infile=NULL;
 198         outfile=NULL;
 199         informat=FORMAT_PEM;
 200         outformat=FORMAT_PEM;
 201
 202         prog=argv[0];
 203         argc--;
 204         argv++;
 205         while (argc >= 1)
 206                 {
 207                 if      (strcmp(*argv,"-inform") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         informat=str2fmt(*(++argv));
 211                         }
 212                 else if (strcmp(*argv,"-outform") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         outformat=str2fmt(*(++argv));
 216                         }
 217                 else if (strcmp(*argv,"-engine") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         engine= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-key") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         keyfile= *(++argv);
 226                         }
 227                 else if (strcmp(*argv,"-pubkey") == 0)
 228                         {
 229                         pubkey=1;
 230                         }
 231                 else if (strcmp(*argv,"-new") == 0)
 232                         {
 233                         newreq=1;
 234                         }
 235                 else if (strcmp(*argv,"-config") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         template= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-keyform") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         keyform=str2fmt(*(++argv));
 244                         }
 245                 else if (strcmp(*argv,"-in") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         infile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-out") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         outfile= *(++argv);
 254                         }
 255                 else if (strcmp(*argv,"-keyout") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         keyout= *(++argv);
 259                         }
 260                 else if (strcmp(*argv,"-passin") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         passargin= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-passout") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         passargout= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-rand") == 0)
 271                         {
 272                         if (--argc < 1) goto bad;
 273                         inrand= *(++argv);
 274                         }
 275                 else if (strcmp(*argv,"-newkey") == 0)
 276                         {
 277                         int is_numeric;
 278
 279                         if (--argc < 1) goto bad;
 280                         p= *(++argv);
 281                         is_numeric = p[0] >= '0' && p[0] <= '9';
 282                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 283                                 {
 284                                 pkey_type=TYPE_RSA;
 285                                 if(!is_numeric)
 286                                     p+=4;
 287                                 newkey= atoi(p);
 288                                 }
 289                         else
 290 #ifndef OPENSSL_NO_DSA
 291                                 if (strncmp("dsa:",p,4) == 0)
 292                                 {
 293                                 X509 *xtmp=NULL;
 294                                 EVP_PKEY *dtmp;
 295
 296                                 pkey_type=TYPE_DSA;
 297                                 p+=4;
 298                                 if ((in=BIO_new_file(p,"r")) == NULL)
 299                                         {
 300                                         perror(p);
 301                                         goto end;
 302                                         }
 303                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 304                                         {
 305                                         ERR_clear_error();
 306                                         (void)BIO_reset(in);
 307                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 308                                                 {
 309                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 310                                                 goto end;
 311                                                 }
 312
 313                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 314                                         if (dtmp->type == EVP_PKEY_DSA)
 315                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 316                                         EVP_PKEY_free(dtmp);
 317                                         X509_free(xtmp);
 318                                         if (dsa_params == NULL)
 319                                                 {
 320                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 321                                                 goto end;
 322                                                 }
 323                                         }
 324                                 BIO_free(in);
 325                                 in=NULL;
 326                                 newkey=BN_num_bits(dsa_params->p);
 327                                 }
 328                         else
 329 #endif
 330 #ifndef OPENSSL_NO_ECDSA
 331                                 if (strncmp("ec:",p,4) == 0)
 332                                 {
 333                                 X509 *xtmp=NULL;
 334                                 EVP_PKEY *dtmp;
 335
 336                                 pkey_type=TYPE_EC;
 337                                 p+=6;
 338                                 if ((in=BIO_new_file(p,"r")) == NULL)
 339                                         {
 340                                         perror(p);
 341                                         goto end;
 342                                         }
 343                                 if ((ec_params = EC_KEY_new()) == NULL)
 344                                         goto end;
 345                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 346                                         {
 347                                         if (ec_params)
 348                                                 EC_KEY_free(ec_params);
 349                                         ERR_clear_error();
 350                                         (void)BIO_reset(in);
 351                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 352                                                 {
 353                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 354                                                 goto end;
 355                                                 }
 356
 357                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 358                                                 goto end;
 359                                         if (dtmp->type == EVP_PKEY_EC)
 360                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 361                                         EVP_PKEY_free(dtmp);
 362                                         X509_free(xtmp);
 363                                         if (ec_params == NULL)
 364                                                 {
 365                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 366                                                 goto end;
 367                                                 }
 368                                         }
 369
 370                                 BIO_free(in);
 371                                 in=NULL;
 372
 373                                 newkey = EC_GROUP_get_degree(ec_params->group);
 374
 375                                 }
 376                         else
 377 #endif
 378 #ifndef OPENSSL_NO_DH
 379                                 if (strncmp("dh:",p,4) == 0)
 380                                 {
 381                                 pkey_type=TYPE_DH;
 382                                 p+=3;
 383                                 }
 384                         else
 385 #endif
 386                                 pkey_type=TYPE_RSA;
 387
 388                         newreq=1;
 389                         }
 390                 else if (strcmp(*argv,"-batch") == 0)
 391                         batch=1;
 392                 else if (strcmp(*argv,"-newhdr") == 0)
 393                         newhdr=1;
 394                 else if (strcmp(*argv,"-modulus") == 0)
 395                         modulus=1;
 396                 else if (strcmp(*argv,"-verify") == 0)
 397                         verify=1;
 398                 else if (strcmp(*argv,"-nodes") == 0)
 399                         nodes=1;
 400                 else if (strcmp(*argv,"-noout") == 0)
 401                         noout=1;
 402                 else if (strcmp(*argv,"-verbose") == 0)
 403                         verbose=1;
 404                 else if (strcmp(*argv,"-utf8") == 0)
 405                         chtype = MBSTRING_UTF8;
 406                 else if (strcmp(*argv,"-nameopt") == 0)
 407                         {
 408                         if (--argc < 1) goto bad;
 409                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 410                         }
 411                 else if (strcmp(*argv,"-subject") == 0)
 412                         subject=1;
 413                 else if (strcmp(*argv,"-text") == 0)
 414                         text=1;
 415                 else if (strcmp(*argv,"-x509") == 0)
 416                         x509=1;
 417                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 418                         kludge=1;
 419                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 420                         kludge=0;
 421                 else if (strcmp(*argv,"-subj") == 0)
 422                         {
 423                         if (--argc < 1) goto bad;
 424                         subj= *(++argv);
 425                         }
 426                 else if (strcmp(*argv,"-days") == 0)
 427                         {
 428                         if (--argc < 1) goto bad;
 429                         days= atoi(*(++argv));
 430                         if (days == 0) days=30;
 431                         }
 432                 else if (strcmp(*argv,"-set_serial") == 0)
 433                         {
 434                         if (--argc < 1) goto bad;
 435                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 436                         if (!serial) goto bad;
 437                         }
 438                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 439                         {
 440                         /* ok */
 441                         digest=md_alg;
 442                         }
 443                 else if (strcmp(*argv,"-extensions") == 0)
 444                         {
 445                         if (--argc < 1) goto bad;
 446                         extensions = *(++argv);
 447                         }
 448                 else if (strcmp(*argv,"-reqexts") == 0)
 449                         {
 450                         if (--argc < 1) goto bad;
 451                         req_exts = *(++argv);
 452                         }
 453                 else
 454                         {
 455                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 456                         badops=1;
 457                         break;
 458                         }
 459                 argc--;
 460                 argv++;
 461                 }
 462
 463         if (badops)
 464                 {
 465 bad:
 466                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 467                 BIO_printf(bio_err,"where options  are\n");
 468                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 469                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 470                 BIO_printf(bio_err," -in arg        input file\n");
 471                 BIO_printf(bio_err," -out arg       output file\n");
 472                 BIO_printf(bio_err," -text          text form of request\n");
 473                 BIO_printf(bio_err," -pubkey        output public key\n");
 474                 BIO_printf(bio_err," -noout         do not output REQ\n");
 475                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 476                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 477                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 478                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 479                 BIO_printf(bio_err," -subject       output the request's subject\n");
 480                 BIO_printf(bio_err," -passin        private key password source\n");
 481                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 482                 BIO_printf(bio_err," -keyform arg   key file format\n");
 483                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 484                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 485                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 486                 BIO_printf(bio_err,"                the random number generator\n");
 487                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 488                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 489 #ifndef OPENSSL_NO_ECDSA
 490                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 491 #endif
 492                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 493                 BIO_printf(bio_err," -config file   request template file.\n");
 494                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 495                 BIO_printf(bio_err," -new           new request.\n");
 496                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 497                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 498                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 499                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 500                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 501                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 502                 BIO_printf(bio_err,"                have been reported as requiring\n");
 503                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 504                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 505                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 506                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 507                 goto end;
 508                 }
 509
 510         ERR_load_crypto_strings();
 511         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 512                 BIO_printf(bio_err, "Error getting passwords\n");
 513                 goto end;
 514         }
 515
 516 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 517         /* Lets load up our environment a little */
 518         p=getenv("OPENSSL_CONF");
 519         if (p == NULL)
 520                 p=getenv("SSLEAY_CONF");
 521         if (p == NULL)
 522                 {
 523                 strcpy(config_name,X509_get_default_cert_area());
 524 #ifndef OPENSSL_SYS_VMS
 525                 strcat(config_name,"/");
 526 #endif
 527                 strcat(config_name,OPENSSL_CONF);
 528                 p=config_name;
 529                 }
 530         default_config_file=p;
 531         config=NCONF_new(NULL);
 532         i=NCONF_load(config, p, &errline);
 533 #endif
 534
 535         if (template != NULL)
 536                 {
 537                 long errline;
 538
 539                 if( verbose )
 540                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 541                 req_conf=NCONF_new(NULL);
 542                 i=NCONF_load(req_conf,template,&errline);
 543                 if (i == 0)
 544                         {
 545                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 546                         goto end;
 547                         }
 548                 }
 549         else
 550                 {
 551                 req_conf=config;
 552                 if( verbose )
 553                         BIO_printf(bio_err,"Using configuration from %s\n",
 554                         default_config_file);
 555                 if (req_conf == NULL)
 556                         {
 557                         BIO_printf(bio_err,"Unable to load config info\n");
 558                         }
 559                 }
 560
 561         if (req_conf != NULL)
 562                 {
 563                 if (!load_config(bio_err, req_conf))
 564                         goto end;
 565                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 566                 if (p == NULL)
 567                         ERR_clear_error();
 568                 if (p != NULL)
 569                         {
 570                         BIO *oid_bio;
 571
 572                         oid_bio=BIO_new_file(p,"r");
 573                         if (oid_bio == NULL)
 574                                 {
 575                                 /*
 576                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 577                                 ERR_print_errors(bio_err);
 578                                 */
 579                                 }
 580                         else
 581                                 {
 582                                 OBJ_create_objects(oid_bio);
 583                                 BIO_free(oid_bio);
 584                                 }
 585                         }
 586                 }
 587         if(!add_oid_section(bio_err, req_conf)) goto end;
 588
 589         if (md_alg == NULL)
 590                 {
 591                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 592                 if (p == NULL)
 593                         ERR_clear_error();
 594                 if (p != NULL)
 595                         {
 596                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 597                                 digest=md_alg;
 598                         }
 599                 }
 600
 601         if (!extensions)
 602                 {
 603                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 604                 if (!extensions)
 605                         ERR_clear_error();
 606                 }
 607         if (extensions) {
 608                 /* Check syntax of file */
 609                 X509V3_CTX ctx;
 610                 X509V3_set_ctx_test(&ctx);
 611                 X509V3_set_nconf(&ctx, req_conf);
 612                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 613                         BIO_printf(bio_err,
 614                          "Error Loading extension section %s\n", extensions);
 615                         goto end;
 616                 }
 617         }
 618
 619         if(!passin)
 620                 {
 621                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 622                 if (!passin)
 623                         ERR_clear_error();
 624                 }
 625
 626         if(!passout)
 627                 {
 628                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 629                 if (!passout)
 630                         ERR_clear_error();
 631                 }
 632
 633         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 634         if (!p)
 635                 ERR_clear_error();
 636
 637         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 638                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 639                 goto end;
 640         }
 641
 642         if (chtype != MBSTRING_UTF8)
 643                 {
 644                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 645                 if (!p)
 646                         ERR_clear_error();
 647                 else if (!strcmp(p, "yes"))
 648                         chtype = MBSTRING_UTF8;
 649                 }
 650
 651
 652         if(!req_exts)
 653                 {
 654                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 655                 if (!req_exts)
 656                         ERR_clear_error();
 657                 }
 658         if(req_exts) {
 659                 /* Check syntax of file */
 660                 X509V3_CTX ctx;
 661                 X509V3_set_ctx_test(&ctx);
 662                 X509V3_set_nconf(&ctx, req_conf);
 663                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 664                         BIO_printf(bio_err,
 665                          "Error Loading request extension section %s\n",
 666                                                                 req_exts);
 667                         goto end;
 668                 }
 669         }
 670
 671         in=BIO_new(BIO_s_file());
 672         out=BIO_new(BIO_s_file());
 673         if ((in == NULL) || (out == NULL))
 674                 goto end;
 675
 676         e = setup_engine(bio_err, engine, 0);
 677
 678         if (keyfile != NULL)
 679                 {
 680                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 681                         "Private Key");
 682                 if (!pkey)
 683                         {
 684                         /* load_key() has already printed an appropriate
 685                            message */
 686                         goto end;
 687                         }
 688                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 689                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 690                         {
 691                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 692                         if (randfile == NULL)
 693                                 ERR_clear_error();
 694                         app_RAND_load_file(randfile, bio_err, 0);
 695                         }
 696                 }
 697
 698         if (newreq && (pkey == NULL))
 699                 {
 700                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 701                 if (randfile == NULL)
 702                         ERR_clear_error();
 703                 app_RAND_load_file(randfile, bio_err, 0);
 704                 if (inrand)
 705                         app_RAND_load_files(inrand);
 706
 707                 if (newkey <= 0)
 708                         {
 709                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 710                                 newkey=DEFAULT_KEY_LENGTH;
 711                         }
 712
 713                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 714                         {
 715                         BIO_printf(bio_err,"private key length is too short,\n");
 716                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 717                         goto end;
 718                         }
 719                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 720                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 721                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 722
 723                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 724
 725 #ifndef OPENSSL_NO_RSA
 726                 if (pkey_type == TYPE_RSA)
 727                         {
 728                         if (!EVP_PKEY_assign_RSA(pkey,
 729                                 RSA_generate_key(newkey,0x10001,
 730                                         req_cb,bio_err)))
 731                                 goto end;
 732                         }
 733                 else
 734 #endif
 735 #ifndef OPENSSL_NO_DSA
 736                         if (pkey_type == TYPE_DSA)
 737                         {
 738                         if (!DSA_generate_key(dsa_params)) goto end;
 739                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 740                         dsa_params=NULL;
 741                         }
 742 #endif
 743 #ifndef OPENSSL_NO_ECDSA
 744                         if (pkey_type == TYPE_EC)
 745                         {
 746                         if (!EC_KEY_generate_key(ec_params)) goto end;
 747                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 748                                 goto end;
 749                         ec_params = NULL;
 750                         }
 751 #endif
 752
 753                 app_RAND_write_file(randfile, bio_err);
 754
 755                 if (pkey == NULL) goto end;
 756
 757                 if (keyout == NULL)
 758                         {
 759                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 760                         if (keyout == NULL)
 761                                 ERR_clear_error();
 762                         }
 763
 764                 if (keyout == NULL)
 765                         {
 766                         BIO_printf(bio_err,"writing new private key to stdout\n");
 767                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 768 #ifdef OPENSSL_SYS_VMS
 769                         {
 770                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 771                         out = BIO_push(tmpbio, out);
 772                         }
 773 #endif
 774                         }
 775                 else
 776                         {
 777                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 778                         if (BIO_write_filename(out,keyout) <= 0)
 779                                 {
 780                                 perror(keyout);
 781                                 goto end;
 782                                 }
 783                         }
 784
 785                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 786                 if (p == NULL)
 787                         {
 788                         ERR_clear_error();
 789                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 790                         if (p == NULL)
 791                                 ERR_clear_error();
 792                         }
 793                 if ((p != NULL) && (strcmp(p,"no") == 0))
 794                         cipher=NULL;
 795                 if (nodes) cipher=NULL;
 796
 797                 i=0;
 798 loop:
 799                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 800                         NULL,0,NULL,passout))
 801                         {
 802                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 803                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 804                                 {
 805                                 ERR_clear_error();
 806                                 i++;
 807                                 goto loop;
 808                                 }
 809                         goto end;
 810                         }
 811                 BIO_printf(bio_err,"-----\n");
 812                 }
 813
 814         if (!newreq)
 815                 {
 816                 /* Since we are using a pre-existing certificate
 817                  * request, the kludge 'format' info should not be
 818                  * changed. */
 819                 kludge= -1;
 820                 if (infile == NULL)
 821                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 822                 else
 823                         {
 824                         if (BIO_read_filename(in,infile) <= 0)
 825                                 {
 826                                 perror(infile);
 827                                 goto end;
 828                                 }
 829                         }
 830
 831                 if      (informat == FORMAT_ASN1)
 832                         req=d2i_X509_REQ_bio(in,NULL);
 833                 else if (informat == FORMAT_PEM)
 834                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 835                 else
 836                         {
 837                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 838                         goto end;
 839                         }
 840                 if (req == NULL)
 841                         {
 842                         BIO_printf(bio_err,"unable to load X509 request\n");
 843                         goto end;
 844                         }
 845                 }
 846
 847         if (newreq || x509)
 848                 {
 849                 if (pkey == NULL)
 850                         {
 851                         BIO_printf(bio_err,"you need to specify a private key\n");
 852                         goto end;
 853                         }
 854 #ifndef OPENSSL_NO_DSA
 855                 if (pkey->type == EVP_PKEY_DSA)
 856                         digest=EVP_dss1();
 857 #endif
 858 #ifndef OPENSSL_NO_ECDSA
 859                 if (pkey->type == EVP_PKEY_EC)
 860                         digest=EVP_ecdsa();
 861 #endif
 862                 if (req == NULL)
 863                         {
 864                         req=X509_REQ_new();
 865                         if (req == NULL)
 866                                 {
 867                                 goto end;
 868                                 }
 869
 870                         i=make_REQ(req,pkey,subj,!x509, chtype);
 871                         subj=NULL; /* done processing '-subj' option */
 872                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 873                                 {
 874                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 875                                 req->req_info->attributes = NULL;
 876                                 }
 877                         if (!i)
 878                                 {
 879                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 880                                 goto end;
 881                                 }
 882                         }
 883                 if (x509)
 884                         {
 885                         EVP_PKEY *tmppkey;
 886                         X509V3_CTX ext_ctx;
 887                         if ((x509ss=X509_new()) == NULL) goto end;
 888
 889                         /* Set version to V3 */
 890                         if(!X509_set_version(x509ss, 2)) goto end;
 891                         if (serial)
 892                                 {
 893                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 894                                 }
 895                         else
 896                                 {
 897                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 898                                 }
 899
 900                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 901                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 902                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 903                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 904                         tmppkey = X509_REQ_get_pubkey(req);
 905                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 906                         EVP_PKEY_free(tmppkey);
 907
 908                         /* Set up V3 context struct */
 909
 910                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 911                         X509V3_set_nconf(&ext_ctx, req_conf);
 912
 913                         /* Add extensions */
 914                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 915                                         &ext_ctx, extensions, x509ss))
 916                                 {
 917                                 BIO_printf(bio_err,
 918                                         "Error Loading extension section %s\n",
 919                                         extensions);
 920                                 goto end;
 921                                 }
 922
 923                         if (!(i=X509_sign(x509ss,pkey,digest)))
 924                                 goto end;
 925                         }
 926                 else
 927                         {
 928                         X509V3_CTX ext_ctx;
 929
 930                         /* Set up V3 context struct */
 931
 932                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 933                         X509V3_set_nconf(&ext_ctx, req_conf);
 934
 935                         /* Add extensions */
 936                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 937                                         &ext_ctx, req_exts, req))
 938                                 {
 939                                 BIO_printf(bio_err,
 940                                         "Error Loading extension section %s\n",
 941                                         req_exts);
 942                                 goto end;
 943                                 }
 944                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 945                                 goto end;
 946                         }
 947                 }
 948
 949         if (subj && x509)
 950                 {
 951                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 952                 goto end;
 953                 }
 954
 955         if (subj && !x509)
 956                 {
 957                 if (verbose)
 958                         {
 959                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 960                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 961                         }
 962
 963                 if (build_subject(req, subj, chtype) == 0)
 964                         {
 965                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 966                         ex=1;
 967                         goto end;
 968                         }
 969
 970                 req->req_info->enc.modified = 1;
 971
 972                 if (verbose)
 973                         {
 974                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 975                         }
 976                 }
 977
 978         if (verify && !x509)
 979                 {
 980                 int tmp=0;
 981
 982                 if (pkey == NULL)
 983                         {
 984                         pkey=X509_REQ_get_pubkey(req);
 985                         tmp=1;
 986                         if (pkey == NULL) goto end;
 987                         }
 988
 989                 i=X509_REQ_verify(req,pkey);
 990                 if (tmp) {
 991                         EVP_PKEY_free(pkey);
 992                         pkey=NULL;
 993                 }
 994
 995                 if (i < 0)
 996                         {
 997                         goto end;
 998                         }
 999                 else if (i == 0)
1000                         {
1001                         BIO_printf(bio_err,"verify failure\n");
1002                         ERR_print_errors(bio_err);
1003                         }
1004                 else /* if (i > 0) */
1005                         BIO_printf(bio_err,"verify OK\n");
1006                 }
1007
1008         if (noout && !text && !modulus && !subject && !pubkey)
1009                 {
1010                 ex=0;
1011                 goto end;
1012                 }
1013
1014         if (outfile == NULL)
1015                 {
1016                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1017 #ifdef OPENSSL_SYS_VMS
1018                 {
1019                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1020                 out = BIO_push(tmpbio, out);
1021                 }
1022 #endif
1023                 }
1024         else
1025                 {
1026                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1027                         i=(int)BIO_append_filename(out,outfile);
1028                 else
1029                         i=(int)BIO_write_filename(out,outfile);
1030                 if (!i)
1031                         {
1032                         perror(outfile);
1033                         goto end;
1034                         }
1035                 }
1036
1037         if (pubkey)
1038                 {
1039                 EVP_PKEY *tpubkey;
1040                 tpubkey=X509_REQ_get_pubkey(req);
1041                 if (tpubkey == NULL)
1042                         {
1043                         BIO_printf(bio_err,"Error getting public key\n");
1044                         ERR_print_errors(bio_err);
1045                         goto end;
1046                         }
1047                 PEM_write_bio_PUBKEY(out, tpubkey);
1048                 EVP_PKEY_free(tpubkey);
1049                 }
1050
1051         if (text)
1052                 {
1053                 if (x509)
1054                         X509_print(out,x509ss);
1055                 else
1056                         X509_REQ_print(out,req);
1057                 }
1058
1059         if(subject)
1060                 {
1061                 if(x509)
1062                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1063                 else
1064                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1065                 }
1066
1067         if (modulus)
1068                 {
1069                 EVP_PKEY *tpubkey;
1070
1071                 if (x509)
1072                         tpubkey=X509_get_pubkey(x509ss);
1073                 else
1074                         tpubkey=X509_REQ_get_pubkey(req);
1075                 if (tpubkey == NULL)
1076                         {
1077                         fprintf(stdout,"Modulus=unavailable\n");
1078                         goto end;
1079                         }
1080                 fprintf(stdout,"Modulus=");
1081 #ifndef OPENSSL_NO_RSA
1082                 if (tpubkey->type == EVP_PKEY_RSA)
1083                         BN_print(out,tpubkey->pkey.rsa->n);
1084                 else
1085 #endif
1086                         fprintf(stdout,"Wrong Algorithm type");
1087                 EVP_PKEY_free(tpubkey);
1088                 fprintf(stdout,"\n");
1089                 }
1090
1091         if (!noout && !x509)
1092                 {
1093                 if      (outformat == FORMAT_ASN1)
1094                         i=i2d_X509_REQ_bio(out,req);
1095                 else if (outformat == FORMAT_PEM) {
1096                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1097                         else i=PEM_write_bio_X509_REQ(out,req);
1098                 } else {
1099                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1100                         goto end;
1101                         }
1102                 if (!i)
1103                         {
1104                         BIO_printf(bio_err,"unable to write X509 request\n");
1105                         goto end;
1106                         }
1107                 }
1108         if (!noout && x509 && (x509ss != NULL))
1109                 {
1110                 if      (outformat == FORMAT_ASN1)
1111                         i=i2d_X509_bio(out,x509ss);
1112                 else if (outformat == FORMAT_PEM)
1113                         i=PEM_write_bio_X509(out,x509ss);
1114                 else    {
1115                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1116                         goto end;
1117                         }
1118                 if (!i)
1119                         {
1120                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1121                         goto end;
1122                         }
1123                 }
1124         ex=0;
1125 end:
1126         if (ex)
1127                 {
1128                 ERR_print_errors(bio_err);
1129                 }
1130         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1131         BIO_free(in);
1132         BIO_free_all(out);
1133         EVP_PKEY_free(pkey);
1134         X509_REQ_free(req);
1135         X509_free(x509ss);
1136         ASN1_INTEGER_free(serial);
1137         if(passargin && passin) OPENSSL_free(passin);
1138         if(passargout && passout) OPENSSL_free(passout);
1139         OBJ_cleanup();
1140 #ifndef OPENSSL_NO_DSA
1141         if (dsa_params != NULL) DSA_free(dsa_params);
1142 #endif
1143 #ifndef OPENSSL_NO_ECDSA
1144         if (ec_params != NULL) EC_KEY_free(ec_params);
1145 #endif
1146         apps_shutdown();
1147         EXIT(ex);
1148         }
1149
1150 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1151                         unsigned long chtype)
1152         {
1153         int ret=0,i;
1154         char no_prompt = 0;
1155         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1156         char *tmp, *dn_sect,*attr_sect;
1157
1158         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1159         if (tmp == NULL)
1160                 ERR_clear_error();
1161         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1162
1163         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1164         if (dn_sect == NULL)
1165                 {
1166                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1167                         DISTINGUISHED_NAME);
1168                 goto err;
1169                 }
1170         dn_sk=NCONF_get_section(req_conf,dn_sect);
1171         if (dn_sk == NULL)
1172                 {
1173                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1174                 goto err;
1175                 }
1176
1177         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1178         if (attr_sect == NULL)
1179                 {
1180                 ERR_clear_error();
1181                 attr_sk=NULL;
1182                 }
1183         else
1184                 {
1185                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1186                 if (attr_sk == NULL)
1187                         {
1188                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1189                         goto err;
1190                         }
1191                 }
1192
1193         /* setup version number */
1194         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1195
1196         if (no_prompt)
1197                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1198         else
1199                 {
1200                 if (subj)
1201                         i = build_subject(req, subj, chtype);
1202                 else
1203                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1204                 }
1205         if(!i) goto err;
1206
1207         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1208
1209         ret=1;
1210 err:
1211         return(ret);
1212         }
1213
1214 /*
1215  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1216  * where characters may be escaped by \
1217  */
1218 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1219         {
1220         X509_NAME *n;
1221
1222         if (!(n = do_subject(subject, chtype)))
1223                 return 0;
1224
1225         if (!X509_REQ_set_subject_name(req, n))
1226                 {
1227                 X509_NAME_free(n);
1228                 return 0;
1229                 }
1230         X509_NAME_free(n);
1231         return 1;
1232 }
1233
1234
1235 static int prompt_info(X509_REQ *req,
1236                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1237                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1238                 unsigned long chtype)
1239         {
1240         int i;
1241         char *p,*q;
1242         char buf[100];
1243         int nid;
1244         long n_min,n_max;
1245         char *type,*def,*value;
1246         CONF_VALUE *v;
1247         X509_NAME *subj;
1248         subj = X509_REQ_get_subject_name(req);
1249
1250         if(!batch)
1251                 {
1252                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1253                 BIO_printf(bio_err,"into your certificate request.\n");
1254                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1255                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1256                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1257                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1258                 BIO_printf(bio_err,"-----\n");
1259                 }
1260
1261
1262         if (sk_CONF_VALUE_num(dn_sk))
1263                 {
1264                 i= -1;
1265 start:          for (;;)
1266                         {
1267                         i++;
1268                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1269
1270                         v=sk_CONF_VALUE_value(dn_sk,i);
1271                         p=q=NULL;
1272                         type=v->name;
1273                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1274                                 !check_end(type,"_default") ||
1275                                          !check_end(type,"_value")) continue;
1276                         /* Skip past any leading X. X: X, etc to allow for
1277                          * multiple instances
1278                          */
1279                         for(p = v->name; *p ; p++)
1280                                 if ((*p == ':') || (*p == ',') ||
1281                                                          (*p == '.')) {
1282                                         p++;
1283                                         if(*p) type = p;
1284                                         break;
1285                                 }
1286                         /* If OBJ not recognised ignore it */
1287                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1288                         sprintf(buf,"%s_default",v->name);
1289                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1290                                 {
1291                                 ERR_clear_error();
1292                                 def="";
1293                                 }
1294
1295                         sprintf(buf,"%s_value",v->name);
1296                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1297                                 {
1298                                 ERR_clear_error();
1299                                 value=NULL;
1300                                 }
1301
1302                         sprintf(buf,"%s_min",v->name);
1303                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1304                                 n_min = -1;
1305
1306                         sprintf(buf,"%s_max",v->name);
1307                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1308                                 n_max = -1;
1309
1310                         if (!add_DN_object(subj,v->value,def,value,nid,
1311                                 n_min,n_max, chtype))
1312                                 return 0;
1313                         }
1314                 if (X509_NAME_entry_count(subj) == 0)
1315                         {
1316                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1317                         return 0;
1318                         }
1319
1320                 if (attribs)
1321                         {
1322                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1323                                 {
1324                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1325                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1326                                 }
1327
1328                         i= -1;
1329 start2:                 for (;;)
1330                                 {
1331                                 i++;
1332                                 if ((attr_sk == NULL) ||
1333                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1334                                         break;
1335
1336                                 v=sk_CONF_VALUE_value(attr_sk,i);
1337                                 type=v->name;
1338                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1339                                         goto start2;
1340
1341                                 sprintf(buf,"%s_default",type);
1342                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1343                                         == NULL)
1344                                         {
1345                                         ERR_clear_error();
1346                                         def="";
1347                                         }
1348
1349
1350                                 sprintf(buf,"%s_value",type);
1351                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1352                                         == NULL)
1353                                         {
1354                                         ERR_clear_error();
1355                                         value=NULL;
1356                                         }
1357
1358                                 sprintf(buf,"%s_min",type);
1359                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1360                                         n_min = -1;
1361
1362                                 sprintf(buf,"%s_max",type);
1363                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1364                                         n_max = -1;
1365
1366                                 if (!add_attribute_object(req,
1367                                         v->value,def,value,nid,n_min,n_max, chtype))
1368                                         return 0;
1369                                 }
1370                         }
1371                 }
1372         else
1373                 {
1374                 BIO_printf(bio_err,"No template, please set one up.\n");
1375                 return 0;
1376                 }
1377
1378         return 1;
1379
1380         }
1381
1382 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1383                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1384         {
1385         int i;
1386         char *p,*q;
1387         char *type;
1388         CONF_VALUE *v;
1389         X509_NAME *subj;
1390
1391         subj = X509_REQ_get_subject_name(req);
1392
1393         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1394                 {
1395                 v=sk_CONF_VALUE_value(dn_sk,i);
1396                 p=q=NULL;
1397                 type=v->name;
1398                 /* Skip past any leading X. X: X, etc to allow for
1399                  * multiple instances
1400                  */
1401                 for(p = v->name; *p ; p++)
1402 #ifndef CHARSET_EBCDIC
1403                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1404 #else
1405                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1406 #endif
1407                                 p++;
1408                                 if(*p) type = p;
1409                                 break;
1410                         }
1411                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1412                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1413
1414                 }
1415
1416                 if (!X509_NAME_entry_count(subj))
1417                         {
1418                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1419                         return 0;
1420                         }
1421                 if (attribs)
1422                         {
1423                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1424                                 {
1425                                 v=sk_CONF_VALUE_value(attr_sk,i);
1426                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1427                                         (unsigned char *)v->value, -1)) return 0;
1428                                 }
1429                         }
1430         return 1;
1431         }
1432
1433
1434 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1435              int nid, int n_min, int n_max, unsigned long chtype)
1436         {
1437         int i,ret=0;
1438         MS_STATIC char buf[1024];
1439 start:
1440         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1441         (void)BIO_flush(bio_err);
1442         if(value != NULL)
1443                 {
1444                 strcpy(buf,value);
1445                 strcat(buf,"\n");
1446                 BIO_printf(bio_err,"%s\n",value);
1447                 }
1448         else
1449                 {
1450                 buf[0]='\0';
1451                 if (!batch)
1452                         {
1453                         fgets(buf,1024,stdin);
1454                         }
1455                 else
1456                         {
1457                         buf[0] = '\n';
1458                         buf[1] = '\0';
1459                         }
1460                 }
1461
1462         if (buf[0] == '\0') return(0);
1463         else if (buf[0] == '\n')
1464                 {
1465                 if ((def == NULL) || (def[0] == '\0'))
1466                         return(1);
1467                 strcpy(buf,def);
1468                 strcat(buf,"\n");
1469                 }
1470         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1471
1472         i=strlen(buf);
1473         if (buf[i-1] != '\n')
1474                 {
1475                 BIO_printf(bio_err,"weird input :-(\n");
1476                 return(0);
1477                 }
1478         buf[--i]='\0';
1479 #ifdef CHARSET_EBCDIC
1480         ebcdic2ascii(buf, buf, i);
1481 #endif
1482         if(!req_check_len(i, n_min, n_max)) goto start;
1483         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1484                                 (unsigned char *) buf, -1,-1,0)) goto err;
1485         ret=1;
1486 err:
1487         return(ret);
1488         }
1489
1490 static int add_attribute_object(X509_REQ *req, char *text,
1491                                 char *def, char *value, int nid, int n_min,
1492                                 int n_max, unsigned long chtype)
1493         {
1494         int i;
1495         static char buf[1024];
1496
1497 start:
1498         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1499         (void)BIO_flush(bio_err);
1500         if (value != NULL)
1501                 {
1502                 strcpy(buf,value);
1503                 strcat(buf,"\n");
1504                 BIO_printf(bio_err,"%s\n",value);
1505                 }
1506         else
1507                 {
1508                 buf[0]='\0';
1509                 if (!batch)
1510                         {
1511                         fgets(buf,1024,stdin);
1512                         }
1513                 else
1514                         {
1515                         buf[0] = '\n';
1516                         buf[1] = '\0';
1517                         }
1518                 }
1519
1520         if (buf[0] == '\0') return(0);
1521         else if (buf[0] == '\n')
1522                 {
1523                 if ((def == NULL) || (def[0] == '\0'))
1524                         return(1);
1525                 strcpy(buf,def);
1526                 strcat(buf,"\n");
1527                 }
1528         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1529
1530         i=strlen(buf);
1531         if (buf[i-1] != '\n')
1532                 {
1533                 BIO_printf(bio_err,"weird input :-(\n");
1534                 return(0);
1535                 }
1536         buf[--i]='\0';
1537 #ifdef CHARSET_EBCDIC
1538         ebcdic2ascii(buf, buf, i);
1539 #endif
1540         if(!req_check_len(i, n_min, n_max)) goto start;
1541
1542         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1543                                         (unsigned char *)buf, -1)) {
1544                 BIO_printf(bio_err, "Error adding attribute\n");
1545                 ERR_print_errors(bio_err);
1546                 goto err;
1547         }
1548
1549         return(1);
1550 err:
1551         return(0);
1552         }
1553
1554 #ifndef OPENSSL_NO_RSA
1555 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1556         {
1557         char c='*';
1558
1559         if (p == 0) c='.';
1560         if (p == 1) c='+';
1561         if (p == 2) c='*';
1562         if (p == 3) c='\n';
1563         BIO_write((BIO *)arg,&c,1);
1564         (void)BIO_flush((BIO *)arg);
1565 #ifdef LINT
1566         p=n;
1567 #endif
1568         }
1569 #endif
1570
1571 static int req_check_len(int len, int n_min, int n_max)
1572         {
1573         if ((n_min > 0) && (len < n_min))
1574                 {
1575                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1576                 return(0);
1577                 }
1578         if ((n_max >= 0) && (len > n_max))
1579                 {
1580                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1581                 return(0);
1582                 }
1583         return(1);
1584         }
1585
1586 /* Check if the end of a string matches 'end' */
1587 static int check_end(char *str, char *end)
1588 {
1589         int elen, slen;
1590         char *tmp;
1591         elen = strlen(end);
1592         slen = strlen(str);
1593         if(elen > slen) return 1;
1594         tmp = str + slen - elen;
1595         return strcmp(tmp, end);
1596 }